From b59527e5858a79de2a70c3a64b0526eef2cccf66 Mon Sep 17 00:00:00 2001
From: Stijn Hoop <stijn.hoop@vanderlande.com>
Date: Thu, 2 Nov 2017 20:02:53 +0100
Subject: [PATCH] Add fix from Maheshkumar-Kakade for upstream SlickGrid issue
 #223

See https://github.com/mleibman/SlickGrid/issues/223#issuecomment-34407932
---
 dist/slick.es6.min.js     |  4 ++--
 dist/slick.es6.min.js.map |  2 +-
 src/slick.grid.js         | 46 +++++++++++++++++++++++----------------
 3 files changed, 30 insertions(+), 22 deletions(-)

diff --git a/dist/slick.es6.min.js b/dist/slick.es6.min.js
index f7be606..252b40f 100644
--- a/dist/slick.es6.min.js
+++ b/dist/slick.es6.min.js
@@ -4,6 +4,6 @@ e.type in Xe&&(t=Xe[e.type]))for(o=0,n=t.length;o<n&&!e.immediatePropagationStop
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finishInitialization(){initialized||(initialized=!0,getViewportWidth(),getViewportHeight(),measureCellPaddingAndBorder(),disableSelection($headers),options.enableTextSelectionOnCells||$viewport.bind("selectstart.ui",function(e){return(0,_jquery2.default)(e.target).is("input,textarea")}),setFrozenOptions(),setPaneVisibility(),setScroller(),setOverflow(),updateColumnCaches(),createColumnHeaders(),createColumnGroupHeaders(),createColumnFooter(),setupColumnSort(),createCssRules(),resizeCanvas(),bindAncestorScrollEvents(),$container.bind("resize.slickgrid",resizeCanvas),$viewport.on("scroll",handleScroll),_jquery2.default.fn.mousewheel&&(options.frozenColumn>-1||hasFrozenRows)&&$viewport.on("mousewheel",handleMouseWheel),$headerScroller.bind("contextmenu",handleHeaderContextMenu).bind("click",handleHeaderClick).delegate(".slick-header-column","mouseenter",handleHeaderMouseEnter).delegate(".slick-header-column","mouseleave",handleHeaderMouseLeave),$headerRowScroller.bind("scroll",handleHeaderRowScroll),$footerRowScroller.bind("scroll",handleFooterRowScroll),$focusSink.add($focusSink2).bind("keydown",handleKeyDown),$canvas.bind("keydown",handleKeyDown).bind("click",handleClick).bind("dblclick",handleDblClick).bind("contextmenu",handleContextMenu).delegate(".slick-cell","mouseenter",handleMouseEnter).delegate(".slick-cell","mouseleave",handleMouseLeave),(0,_interact2.default)($canvas[0]).allowFrom("div.slick-cell").draggable({onmove:handleDrag,onstart:handleDragStart,onend:handleDragEnd}).styleCursor(!1),navigator.userAgent.toLowerCase().match(/webkit/)&&navigator.userAgent.toLowerCase().match(/macintosh/)&&$canvas.on("mousewheel",handleMouseWheel))}function 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t,o=canvasWidth,n=canvasWidthL,r=canvasWidthR;canvasWidth=getCanvasWidth(),t=canvasWidth!==o||canvasWidthL!==n||canvasWidthR!==r,(t||hasFrozenColumns()||hasFrozenRows)&&($canvasTopL.width(canvasWidthL),getHeadersWidth(),$headerL.width(headersWidthL),$headerR.width(headersWidthR),hasFrozenColumns()?($canvasTopR.width(canvasWidthR),$paneHeaderL.width(canvasWidthL),$paneHeaderR.css("left",canvasWidthL),$paneHeaderR.css("width",viewportW-canvasWidthL),$paneTopL.width(canvasWidthL),$paneTopR.css("left",canvasWidthL),$paneTopR.css("width",viewportW-canvasWidthL),$headerRowScrollerL.width(canvasWidthL),$headerRowScrollerR.width(viewportW-canvasWidthL),$headerRowL.width(canvasWidthL),$headerRowR.width(canvasWidthR),$footerRowScrollerL.width(canvasWidthL),$footerRowScrollerR.width(viewportW-canvasWidthL),$footerRowL.width(canvasWidthL),$footerRowR.width(canvasWidthR),$viewportTopL.width(canvasWidthL),$viewportTopR.width(viewportW-canvasWidthL),hasFrozenRows&&($paneBottomL.width(canvasWidthL),$paneBottomR.css("left",canvasWidthL),$viewportBottomL.width(canvasWidthL),$viewportBottomR.width(viewportW-canvasWidthL),$canvasBottomL.width(canvasWidthL),$canvasBottomR.width(canvasWidthR))):($paneHeaderL.width("100%"),$paneTopL.width("100%"),$headerRowScrollerL.width("100%"),$headerRowL.width(canvasWidth),$footerRowScrollerL.width("100%"),$footerRowL.width(canvasWidth),$viewportTopL.width("100%"),hasFrozenRows&&($viewportBottomL.width("100%"),$canvasBottomL.width(canvasWidthL))),viewportHasHScroll=canvasWidth>viewportW-scrollbarDimensions.width),$headerRowSpacerL.width(canvasWidth+(viewportHasVScroll?scrollbarDimensions.width:0)),$headerRowSpacerR.width(canvasWidth+(viewportHasVScroll?scrollbarDimensions.width:0)),$footerRowSpacerL.width(canvasWidth+(viewportHasVScroll?scrollbarDimensions.width:0)),$footerRowSpacerR.width(canvasWidth+(viewportHasVScroll?scrollbarDimensions.width:0)),(t||e)&&applyColumnWidths()}function 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setScroller(){hasFrozenColumns()?($headerScrollContainer=$headerScrollerR,$headerRowScrollContainer=$headerRowScrollerR,$footerRowScrollContainer=$footerRowScrollerR,hasFrozenRows?options.frozenBottom?($viewportScrollContainerX=$viewportBottomR,$viewportScrollContainerY=$viewportTopR):$viewportScrollContainerX=$viewportScrollContainerY=$viewportBottomR:$viewportScrollContainerX=$viewportScrollContainerY=$viewportTopR):($headerScrollContainer=$headerScrollerL,$headerRowScrollContainer=$headerRowScrollerL,$footerRowScrollContainer=$footerRowScrollerL,hasFrozenRows?options.frozenBottom?($viewportScrollContainerX=$viewportBottomL,$viewportScrollContainerY=$viewportTopL):$viewportScrollContainerX=$viewportScrollContainerY=$viewportBottomL:$viewportScrollContainerX=$viewportScrollContainerY=$viewportTopL)}function measureCellPaddingAndBorder(){var e,t=["borderLeftWidth","borderRightWidth","paddingLeft","paddingRight"],o=["borderTopWidth","borderBottomWidth","paddingTop","paddingBottom"];e=(0,_jquery2.default)("<div class='ui-state-default slick-header-column' style='visibility:hidden'>-</div>").appendTo($headers),headerColumnWidthDiff=headerColumnHeightDiff=0,"border-box"!=e.css("box-sizing")&&"border-box"!=e.css("-moz-box-sizing")&&"border-box"!=e.css("-webkit-box-sizing")&&(_jquery2.default.each(t,function(t,o){headerColumnWidthDiff+=parseFloat(e.css(o))||0}),_jquery2.default.each(o,function(t,o){headerColumnHeightDiff+=parseFloat(e.css(o))||0})),e.remove();var n=(0,_jquery2.default)("<div class='slick-row' />").appendTo($canvas);e=(0,_jquery2.default)("<div class='slick-cell' id='' style='visibility:hidden'>-</div>").appendTo(n),cellWidthDiff=cellHeightDiff=0,"border-box"!=e.css("box-sizing")&&"border-box"!=e.css("-moz-box-sizing")&&"border-box"!=e.css("-webkit-box-sizing")&&(_jquery2.default.each(t,function(t,o){cellWidthDiff+=parseFloat(e.css(o))||0}),_jquery2.default.each(o,function(t,o){cellHeightDiff+=parseFloat(e.css(o))||0})),n.remove(),absoluteColumnMinWidth=Math.max(headerColumnWidthDiff,cellWidthDiff)}function createCssRules(){$style=(0,_jquery2.default)("<style type='text/css' rel='stylesheet' />").appendTo((0,_jquery2.default)("head"));for(var e=options.rowHeight-cellHeightDiff,t=["."+uid+" .slick-group-header-column { left: 1000px; }","."+uid+" .slick-header-column { left: 1000px; }","."+uid+" .slick-top-panel { height:"+options.topPanelHeight+"px; }","."+uid+" .slick-headerrow-columns { height:"+options.headerRowHeight+"px; }","."+uid+" .slick-cell { height:"+e+"px; }","."+uid+" .slick-row { height:"+options.rowHeight+"px; }","."+uid+" .slick-footerrow-columns { height:"+options.footerRowHeight+"px; }"],o=0;o<columns.length;o++)t.push("."+uid+" .l"+o+" { }"),t.push("."+uid+" .r"+o+" { }");$style[0].styleSheet?$style[0].styleSheet.cssText=t.join(" "):$style[0].appendChild(document.createTextNode(t.join(" ")))}function getColumnCssRules(e){if(!stylesheet){for(var t=document.styleSheets,o=0;o<t.length;o++)if((t[o].ownerNode||t[o].owningElement)==$style[0]){stylesheet=t[o];break}if(!stylesheet)throw new Error("Cannot find stylesheet.");columnCssRulesL=[],columnCssRulesR=[];for(var n,r,i=stylesheet.cssRules||stylesheet.rules,o=0;o<i.length;o++){var s=i[o].selectorText;(n=/\.l\d+/.exec(s))?(r=parseInt(n[0].substr(2,n[0].length-2),10),columnCssRulesL[r]=i[o]):(n=/\.r\d+/.exec(s))&&(r=parseInt(n[0].substr(2,n[0].length-2),10),columnCssRulesR[r]=i[o])}}return{left:columnCssRulesL[e],right:columnCssRulesR[e]}}function removeCssRules(){$style.remove(),stylesheet=null}function destroy(){getEditorLock().cancelCurrentEdit(),trigger(self.onBeforeDestroy,{});for(var e=plugins.length;e--;)unregisterPlugin(plugins[e]);unbindAncestorScrollEvents(),$container.unbind(".slickgrid"),removeCssRules(),$container.empty().removeClass(uid)}function trigger(e,t,o){return o=o||new _slick2.default.EventData,t=t||{},t.grid=self,e.notify(t,o,self)}function getEditorLock(){return options.editorLock}function getEditController(){return editController}function getColumnIndex(e){return columnsById[e]}function autosizeColumns(){var e,t,o,n=[],r=0,i=0,s=viewportHasVScroll?viewportW-scrollbarDimensions.width:viewportW;for(e=0;e<columns.length;e++)t=columns[e],n.push(t.width),i+=t.width,t.resizable&&(r+=t.width-Math.max(t.minWidth,absoluteColumnMinWidth));for(o=i;i>s&&r;){var l=(i-s)/r;for(e=0;e<columns.length&&i>s;e++){t=columns[e];var a=n[e];if(!(!t.resizable||a<=t.minWidth||a<=absoluteColumnMinWidth)){var c=Math.max(t.minWidth,absoluteColumnMinWidth),d=Math.floor(l*(a-c))||1;d=Math.min(d,a-c),i-=d,r-=d,n[e]-=d}}if(o<=i)break;o=i}for(o=i;i<s;){var u=s/i;for(e=0;e<columns.length&&i<s;e++){t=columns[e];var h,p=n[e];h=!t.resizable||t.maxWidth<=p?0:Math.min(Math.floor(u*p)-p,t.maxWidth-p||1e6)||1,i+=h,n[e]+=h}if(o>=i)break;o=i}var f=!1;for(e=0;e<columns.length;e++)columns[e].rerenderOnResize&&columns[e].width!=n[e]&&(f=!0),columns[e].width=n[e];applyColumnHeaderWidths(),applyColumnGroupHeaderWidths(),updateCanvasWidth(!0),f&&(invalidateAllRows(),render())}function applyColumnGroupHeaderWidths(){if(treeColumns.hasDepth())for(var e=$groupHeadersL.length-1;e>=0;e--){treeColumns.getColumnsInDepth(e);(0,_jquery2.default)().add($groupHeadersL[e]).add($groupHeadersR[e]).each(function(e){var t=(0,_jquery2.default)(this),o=0;t.width(0==e?getHeadersWidthL():getHeadersWidthR()),t.children().each(function(){var e=(0,_jquery2.default)(this),n=(0,_jquery2.default)(this).data("column");n.width=0,n.columns.forEach(function(){var e=t.next().children(":eq("+o++ +")");n.width+=e.outerWidth()}),e.width(n.width-headerColumnWidthDiff)})})}}function applyColumnHeaderWidths(){if(initialized){for(var e,t=0,o=$headers.children(),n=o.length;t<n;t++)e=(0,_jquery2.default)(o[t]),e.width()!==columns[t].width-headerColumnWidthDiff&&e.width(columns[t].width-headerColumnWidthDiff);updateColumnCaches()}}function applyColumnWidths(){for(var e,t,o=0,n=0;n<columns.length;n++)e=columns[n].width,t=getColumnCssRules(n),t.left.style.left=o+"px",t.right.style.right=(options.frozenColumn!=-1&&n>options.frozenColumn?canvasWidthR:canvasWidthL)-o-e+"px",options.frozenColumn==n?o=0:o+=columns[n].width}function setSortColumn(e,t){setSortColumns([{columnId:e,sortAsc:t}])}function setSortColumns(e){sortColumns=e;var t=$headers.children();t.removeClass("slick-header-column-sorted").find(".slick-sort-indicator").removeClass("slick-sort-indicator-asc slick-sort-indicator-desc"),_jquery2.default.each(sortColumns,function(e,o){null==o.sortAsc&&(o.sortAsc=!0);var n=getColumnIndex(o.columnId);null!=n&&t.eq(n).addClass("slick-header-column-sorted").find(".slick-sort-indicator").addClass(o.sortAsc?"slick-sort-indicator-asc":"slick-sort-indicator-desc")})}function getSortColumns(){return sortColumns}function handleSelectedRangesChanged(e,t){selectedRows=[];for(var o={},n=0;n<t.length;n++)for(var r=t[n].fromRow;r<=t[n].toRow;r++){o[r]||(selectedRows.push(r),o[r]={});for(var i=t[n].fromCell;i<=t[n].toCell;i++)canCellBeSelected(r,i)&&(o[r][columns[i].id]=options.selectedCellCssClass)}setCellCssStyles(options.selectedCellCssClass,o),trigger(self.onSelectedRowsChanged,{rows:getSelectedRows()},e)}function getColumns(){return columns}function updateColumnCaches(){columnPosLeft=[],columnPosRight=[];for(var e=0,t=0,o=columns.length;t<o;t++)columnPosLeft[t]=e,columnPosRight[t]=e+columns[t].width,options.frozenColumn==t?e=0:e+=columns[t].width}function setColumns(e){var t=new _slick2.default.TreeColumns(e);t.hasDepth()?(treeColumns=t,columns=treeColumns.extractColumns()):columns=e,columnsById={};for(var o=0;o<columns.length;o++){var n=columns[o]=_jquery2.default.extend({},columnDefaults,columns[o]);columnsById[n.id]=o,n.minWidth&&n.width<n.minWidth&&(n.width=n.minWidth),n.maxWidth&&n.width>n.maxWidth&&(n.width=n.maxWidth)}updateColumnCaches(),initialized&&(setPaneVisibility(),setOverflow(),invalidateAllRows(),createColumnHeaders(),createColumnGroupHeaders(),createColumnFooter(),removeCssRules(),createCssRules(),resizeCanvas(),updateCanvasWidth(),applyColumnWidths(),handleScroll())}function getOptions(){return options}function setOptions(e){getEditorLock().commitCurrentEdit()&&(makeActiveCellNormal(),options.enableAddRow!==e.enableAddRow&&invalidateRow(getDataLength()),options=_jquery2.default.extend(options,e),validateAndEnforceOptions(),setFrozenOptions(),setScroller(),zombieRowNodeFromLastMouseWheelEvent=null,setColumns(treeColumns.extractColumns()),render())}function validateAndEnforceOptions(){options.autoHeight&&(options.leaveSpaceForNewRows=!1)}function setData(e,t){data=e,invalidateAllRows(),updateRowCount(),t&&scrollTo(0)}function getData(){return data}function getDataLength(){return data.getLength?data.getLength():data.length}function getDataLengthIncludingAddNew(){return getDataLength()+(options.enableAddRow?1:0)}function getDataItem(e){return data.getItem?data.getItem(e):data[e]}function getTopPanel(){return $topPanel[0]}function setTopPanelVisibility(e){options.showTopPanel!=e&&(options.showTopPanel=e,e?$topPanelScroller.slideDown("fast",resizeCanvas):$topPanelScroller.slideUp("fast",resizeCanvas))}function setHeaderRowVisibility(e){options.showHeaderRow!=e&&(options.showHeaderRow=e,e?$headerRowScroller.slideDown("fast",resizeCanvas):$headerRowScroller.slideUp("fast",resizeCanvas))}function setFooterRowVisibility(e){options.showFooterRow!=e&&(options.showFooterRow=e,e?$footerRowScroller.fadeIn("fast",resizeCanvas):$footerRowScroller.slideDown("fast",resizeCanvas))}function getContainerNode(){return $container.get(0)}function getRowTop(e){return options.rowHeight*e-offset}function getRowFromPosition(e){return Math.floor((e+offset)/options.rowHeight)}function scrollTo(e){e=Math.max(e,0),e=Math.min(e,th-$viewportScrollContainerY.height()+(viewportHasHScroll||hasFrozenColumns()?scrollbarDimensions.height:0));var t=offset;page=Math.min(n-1,Math.floor(e/ph)),offset=Math.round(page*cj);var o=e-offset;if(offset!=t){var r=getVisibleRange(o);cleanupRows(r),updateRowPositions()}prevScrollTop!=o&&(vScrollDir=prevScrollTop+t<o+offset?1:-1,lastRenderedScrollTop=scrollTop=prevScrollTop=o,hasFrozenColumns()&&($viewportTopL[0].scrollTop=o),hasFrozenRows&&($viewportBottomL[0].scrollTop=$viewportBottomR[0].scrollTop=o),$viewportScrollContainerY[0].scrollTop=o,trigger(self.onViewportChanged,{}))}function defaultFormatter(e,t,o,n,r){return null==o?"":(o+"").replace(/&/g,"&").replace(/</g,"<").replace(/>/g,">")}function getFormatter(e,t){var o=data.getItemMetadata&&data.getItemMetadata(e),n=o&&o.columns&&(o.columns[t.id]||o.columns[getColumnIndex(t.id)]);return n&&n.formatter||o&&o.formatter||t.formatter||options.formatterFactory&&options.formatterFactory.getFormatter(t)||options.defaultFormatter}function callFormatter(e,t,o,n,r){var i,s=data.getItemMetadata&&data.getItemMetadata(e);if(s=s&&s.columns){var l=s[n.id]||s[t];i=getFormatter(e,n)(e,t,o,n,r,l)}else i=getFormatter(e,n)(e,t,o,n,r);return i}function getEditor(e,t){var o=columns[t],n=data.getItemMetadata&&data.getItemMetadata(e),r=n&&n.columns;return r&&r[o.id]&&void 0!==r[o.id].editor?r[o.id].editor:r&&r[t]&&void 0!==r[t].editor?r[t].editor:o.editor||options.editorFactory&&options.editorFactory.getEditor(o)}function getDataItemValueForColumn(e,t){return options.dataItemColumnValueExtractor?options.dataItemColumnValueExtractor(e,t):e[t.field]}function appendRowHtml(e,t,o,n,r){var i=getDataItem(o),s=o<r&&!i,l="slick-row"+(hasFrozenRows&&o<options.frozenRow?" frozen":"")+(s?" loading":"")+(o===activeRow?" active":"")+(o%2==1?" odd":" even");i||(l+=" "+options.addNewRowCssClass);var a=data.getItemMetadata&&data.getItemMetadata(o);a&&a.cssClasses&&(l+=" "+a.cssClasses);var c=getFrozenRowOffset(o),d="<div class='ui-widget-content "+l+"' style='top:"+(getRowTop(o)-c)+"px'>";e.push(d),hasFrozenColumns()&&t.push(d);for(var u,h,p=0,f=columns.length;p<f;p++){if(h=columns[p],u=1,a&&a.columns){var g=a.columns[h.id]||a.columns[p];u=g&&g.colspan||1,"*"===u&&(u=f-p)}if(columnPosRight[Math.min(f-1,p+u-1)]>n.leftPx){if(columnPosLeft[p]>n.rightPx)break;hasFrozenColumns()&&p>options.frozenColumn?appendCellHtml(t,o,p,u,i):appendCellHtml(e,o,p,u,i)}else hasFrozenColumns()&&p<=options.frozenColumn&&appendCellHtml(e,o,p,u,i);u>1&&(p+=u-1)}e.push("</div>"),hasFrozenColumns()&&t.push("</div>")}function appendCellHtml(e,t,o,n,r){var i=columns[o],s="slick-cell l"+o+" r"+Math.min(columns.length-1,o+n-1)+(i.cssClass?" "+i.cssClass:"");
 hasFrozenColumns()&&o<=options.frozenColumn&&(s+=" frozen"),t===activeRow&&o===activeCell&&(s+=" active");for(var l in cellCssClasses)cellCssClasses[l][t]&&cellCssClasses[l][t][i.id]&&(s+=" "+cellCssClasses[l][t][i.id]);if(e.push("<div class='"+s+"'>"),r){var a=getDataItemValueForColumn(r,i);e.push(callFormatter(t,o,a,i,r))}e.push("</div>"),rowsCache[t].cellRenderQueue.push(o),rowsCache[t].cellColSpans[o]=n}function cleanupRows(e){for(var t in rowsCache){var o=!0;hasFrozenRows&&(options.frozenBottom&&t>=actualFrozenRow||!options.frozenBottom&&t<=actualFrozenRow)&&(o=!1),(t=parseInt(t,10))!==activeRow&&(t<e.top||t>e.bottom)&&o&&removeRowFromCache(t)}}function invalidate(){updateRowCount(),invalidateAllRows(),render()}function invalidateAllRows(){currentEditor&&makeActiveCellNormal();for(var e in rowsCache)removeRowFromCache(e)}function removeRowFromCache(e){var t=rowsCache[e];t&&(rowNodeFromLastMouseWheelEvent==t.rowNode[0]||hasFrozenColumns()&&rowNodeFromLastMouseWheelEvent==t.rowNode[1]?(t.rowNode.hide(),zombieRowNodeFromLastMouseWheelEvent=t.rowNode):t.rowNode.each(function(){this.parentElement.removeChild(this)}),delete rowsCache[e],delete postProcessedRows[e],renderedRows--,counter_rows_removed++)}function invalidateRows(e){var t,o;if(e&&e.length)for(vScrollDir=0,t=0,o=e.length;t<o;t++)currentEditor&&activeRow===e[t]&&makeActiveCellNormal(),rowsCache[e[t]]&&removeRowFromCache(e[t])}function invalidateRow(e){invalidateRows([e])}function updateCell(e,t){var o=getCellNode(e,t);if(o){var n=columns[t],r=getDataItem(e);currentEditor&&activeRow===e&&activeCell===t?currentEditor.loadValue(r):(o.innerHTML=r?callFormatter(e,t,getDataItemValueForColumn(r,n),n,r):"",invalidatePostProcessingResults(e))}}function updateRow(e){var t=rowsCache[e];if(t){ensureCellNodesInRowsCache(e);var o=getDataItem(e);for(var n in t.cellNodesByColumnIdx)if(t.cellNodesByColumnIdx.hasOwnProperty(n)){n|=0;var r=columns[n],i=t.cellNodesByColumnIdx[n][0];e===activeRow&&n===activeCell&&currentEditor?currentEditor.loadValue(o):o?i.innerHTML=callFormatter(e,n,getDataItemValueForColumn(o,r),r,o):i.innerHTML=""}invalidatePostProcessingResults(e)}}function getViewportHeight(){options.autoHeight?viewportH=options.rowHeight*getDataLengthIncludingAddNew()+(options.frozenColumn==-1?$headers.outerHeight():0):(topPanelH=options.showTopPanel?options.topPanelHeight+getVBoxDelta($topPanelScroller):0,headerRowH=options.showHeaderRow?options.headerRowHeight+getVBoxDelta($headerRowScroller):0,footerRowH=options.showFooterRow?options.footerRowHeight+getVBoxDelta($footerRowScroller):0,viewportH=parseFloat(_jquery2.default.css($container[0],"height",!0))-parseFloat(_jquery2.default.css($container[0],"paddingTop",!0))-parseFloat(_jquery2.default.css($container[0],"paddingBottom",!0))-parseFloat(_jquery2.default.css($headerScroller[0],"height"))-getVBoxDelta($headerScroller)-topPanelH-headerRowH-footerRowH),numVisibleRows=Math.ceil(viewportH/options.rowHeight)}function getViewportWidth(){viewportW=parseFloat(_jquery2.default.css($container[0],"width",!0))}function resizeCanvas(){if(initialized){paneTopH=0,paneBottomH=0,viewportTopH=0,viewportBottomH=0,getViewportWidth(),getViewportHeight(),hasFrozenRows?options.frozenBottom?(paneTopH=viewportH-frozenRowsHeight-scrollbarDimensions.height,paneBottomH=frozenRowsHeight+scrollbarDimensions.height):(paneTopH=frozenRowsHeight,paneBottomH=viewportH-frozenRowsHeight):paneTopH=viewportH,paneTopH+=topPanelH+headerRowH+footerRowH,hasFrozenColumns()&&options.autoHeight&&(paneTopH+=scrollbarDimensions.height),viewportTopH=paneTopH-topPanelH-headerRowH-footerRowH,options.autoHeight&&(hasFrozenColumns()&&$container.height(paneTopH+parseFloat(_jquery2.default.css($headerScrollerL[0],"height"))),$paneTopL.css("position","relative")),$paneTopL.css({top:$paneHeaderL.height(),height:paneTopH});var e=$paneTopL.position().top+paneTopH;$viewportTopL.height(viewportTopH),hasFrozenColumns()?($paneTopR.css({top:$paneHeaderL.height(),height:paneTopH}),$viewportTopR.height(viewportTopH),hasFrozenRows&&($paneBottomL.css({top:e,height:paneBottomH}),$paneBottomR.css({top:e,height:paneBottomH}),$viewportBottomR.height(paneBottomH))):hasFrozenRows&&($paneBottomL.css({width:"100%",height:paneBottomH}),$paneBottomL.css("top",e)),hasFrozenRows?($viewportBottomL.height(paneBottomH),options.frozenBottom?($canvasBottomL.height(frozenRowsHeight),hasFrozenColumns()&&$canvasBottomR.height(frozenRowsHeight)):($canvasTopL.height(frozenRowsHeight),hasFrozenColumns()&&$canvasTopR.height(frozenRowsHeight))):$viewportTopR.height(viewportTopH),options.forceFitColumns&&autosizeColumns(),updateRowCount(),handleScroll(),lastRenderedScrollLeft=-1,render()}}function updateRowCount(){if(initialized){var e=getDataLengthIncludingAddNew(),t=0,o=hasFrozenRows&&!options.frozenBottom?$canvasBottomL.height():$canvasTopL.height();if(hasFrozenRows)var t=getDataLength()-options.frozenRow;else var t=e+(options.leaveSpaceForNewRows?numVisibleRows-1:0);var r=$viewportScrollContainerY.height(),i=viewportHasVScroll;viewportHasVScroll=!options.autoHeight&&t*options.rowHeight>r,makeActiveCellNormal();var s=e-1;for(var l in rowsCache)l>=s&&removeRowFromCache(l);th=Math.max(options.rowHeight*t,r-scrollbarDimensions.height),activeCellNode&&activeRow>s&&resetActiveCell(),th<maxSupportedCssHeight?(h=ph=th,n=1,cj=0):(h=maxSupportedCssHeight,ph=h/100,n=Math.floor(th/ph),cj=(th-h)/(n-1)),h!==o&&(hasFrozenRows&&!options.frozenBottom?($canvasBottomL.css("height",h),hasFrozenColumns()&&$canvasBottomR.css("height",h)):($canvasTopL.css("height",h),$canvasTopR.css("height",h)),scrollTop=$viewportScrollContainerY[0].scrollTop);var a=scrollTop+offset<=th-r;0==th||0==scrollTop?page=offset=0:scrollTo(a?scrollTop+offset:th-r),h!=o&&options.autoHeight&&resizeCanvas(),options.forceFitColumns&&i!=viewportHasVScroll&&autosizeColumns(),updateCanvasWidth(!1)}}function getVisibleRange(e,t){return null==e&&(e=scrollTop),null==t&&(t=scrollLeft),{top:getRowFromPosition(e),bottom:getRowFromPosition(e+viewportH)+1,leftPx:t,rightPx:t+viewportW}}function getRenderedRange(e,t){var o=getVisibleRange(e,t),n=Math.round(viewportH/options.rowHeight),r=3;return vScrollDir==-1?(o.top-=n,o.bottom+=r):1==vScrollDir?(o.top-=r,o.bottom+=n):(o.top-=r,o.bottom+=r),o.top=Math.max(0,o.top),o.bottom=Math.min(getDataLengthIncludingAddNew()-1,o.bottom),o.leftPx-=viewportW,o.rightPx+=viewportW,o.leftPx=Math.max(0,o.leftPx),o.rightPx=Math.min(canvasWidth,o.rightPx),o}function ensureCellNodesInRowsCache(e){var t=rowsCache[e];if(t&&t.cellRenderQueue.length)for(var o=t.rowNode.children().last();t.cellRenderQueue.length;){var n=t.cellRenderQueue.pop();t.cellNodesByColumnIdx[n]=o,o=o.prev(),0==o.length&&(o=(0,_jquery2.default)(t.rowNode[0]).children().last())}}function cleanUpCells(e,t){if(!hasFrozenRows||!(options.frozenBottom&&t>actualFrozenRow||t<=actualFrozenRow)){var o=0,n=rowsCache[t],r=[];for(var i in n.cellNodesByColumnIdx)if(n.cellNodesByColumnIdx.hasOwnProperty(i)&&(i|=0,!(i<=options.frozenColumn))){var s=n.cellColSpans[i];(columnPosLeft[i]>e.rightPx||columnPosRight[Math.min(columns.length-1,i+s-1)]<e.leftPx)&&(t==activeRow&&i==activeCell||r.push(i))}for(var l;null!=(l=r.pop());)n.cellNodesByColumnIdx[l][0].parentElement.removeChild(n.cellNodesByColumnIdx[l][0]),delete n.cellColSpans[l],delete n.cellNodesByColumnIdx[l],postProcessedRows[t]&&delete postProcessedRows[t][l],o++}}function cleanUpAndRenderCells(e){for(var t,o,n,r=[],i=[],s=0,l=e.top,a=e.bottom;l<=a;l++)if(t=rowsCache[l]){ensureCellNodesInRowsCache(l),cleanUpCells(e,l),o=0;var c=data.getItemMetadata&&data.getItemMetadata(l);c=c&&c.columns;for(var d=getDataItem(l),u=0,h=columns.length;u<h&&!(columnPosLeft[u]>e.rightPx);u++)if(null==(n=t.cellColSpans[u])){if(n=1,c){var p=c[columns[u].id]||c[u];n=p&&p.colspan||1,"*"===n&&(n=h-u)}columnPosRight[Math.min(h-1,u+n-1)]>e.leftPx&&(appendCellHtml(r,l,u,n,d),o++),u+=n>1?n-1:0}else u+=n>1?n-1:0;o&&(s+=o,i.push(l))}if(r.length){var f=document.createElement("div");f.innerHTML=r.join("");for(var g,v;null!=(g=i.pop());){t=rowsCache[g];for(var m;null!=(m=t.cellRenderQueue.pop());)v=(0,_jquery2.default)(f).children().last(),hasFrozenColumns()&&m>options.frozenColumn?(0,_jquery2.default)(t.rowNode[1]).append(v):(0,_jquery2.default)(t.rowNode[0]).append(v),t.cellNodesByColumnIdx[m]=v}}}function renderRows(e){for(var t=[],o=[],n=[],r=!1,i=getDataLength(),s=e.top,l=e.bottom;s<=l;s++)rowsCache[s]||hasFrozenRows&&options.frozenBottom&&s==getDataLength()||(renderedRows++,n.push(s),rowsCache[s]={rowNode:null,cellColSpans:[],cellNodesByColumnIdx:[],cellRenderQueue:[]},appendRowHtml(t,o,s,e,i),activeCellNode&&activeRow===s&&(r=!0),counter_rows_rendered++);if(n.length){var a=document.createElement("div"),c=document.createElement("div");a.innerHTML=t.join(""),c.innerHTML=o.join("");for(var s=0,l=n.length;s<l;s++)hasFrozenRows&&n[s]>=actualFrozenRow?hasFrozenColumns()?rowsCache[n[s]].rowNode=(0,_jquery2.default)().add((0,_jquery2.default)(a.firstChild).appendTo($canvasBottomL)).add((0,_jquery2.default)(c.firstChild).appendTo($canvasBottomR)):rowsCache[n[s]].rowNode=(0,_jquery2.default)().add((0,_jquery2.default)(a.firstChild).appendTo($canvasBottomL)):hasFrozenColumns()?rowsCache[n[s]].rowNode=(0,_jquery2.default)().add((0,_jquery2.default)(a.firstChild).appendTo($canvasTopL)).add((0,_jquery2.default)(c.firstChild).appendTo($canvasTopR)):rowsCache[n[s]].rowNode=(0,_jquery2.default)().add((0,_jquery2.default)(a.firstChild).appendTo($canvasTopL));r&&(activeCellNode=getCellNode(activeRow,activeCell))}}function startPostProcessing(){options.enableAsyncPostRender&&(clearTimeout(h_postrender),h_postrender=setTimeout(asyncPostProcessRows,options.asyncPostRenderDelay))}function invalidatePostProcessingResults(e){delete postProcessedRows[e],postProcessFromRow=Math.min(postProcessFromRow,e),postProcessToRow=Math.max(postProcessToRow,e),startPostProcessing()}function updateRowPositions(){for(var e in rowsCache)rowsCache[e].rowNode.css("top",getRowTop(e)+"px")}function render(){if(initialized){var e=getVisibleRange(),t=getRenderedRange();if(cleanupRows(t),lastRenderedScrollLeft!=scrollLeft){if(hasFrozenRows){var o=_jquery2.default.extend(!0,{},t);options.frozenBottom?(o.top=actualFrozenRow,o.bottom=getDataLength()):(o.top=0,o.bottom=options.frozenRow),cleanUpAndRenderCells(o)}cleanUpAndRenderCells(t)}renderRows(t),hasFrozenRows&&renderRows(options.frozenBottom?{top:actualFrozenRow,bottom:getDataLength()-1,leftPx:t.leftPx,rightPx:t.rightPx}:{top:0,bottom:options.frozenRow-1,leftPx:t.leftPx,rightPx:t.rightPx}),postProcessFromRow=e.top,postProcessToRow=Math.min(getDataLengthIncludingAddNew()-1,e.bottom),startPostProcessing(),lastRenderedScrollTop=scrollTop,lastRenderedScrollLeft=scrollLeft,h_render=null}}function handleHeaderRowScroll(){var e=$headerRowScrollContainer[0].scrollLeft;e!=$viewportScrollContainerX[0].scrollLeft&&($viewportScrollContainerX[0].scrollLeft=e)}function handleFooterRowScroll(){var e=$footerRowScrollContainer[0].scrollLeft;e!=$viewportScrollContainerX[0].scrollLeft&&($viewportScrollContainerX[0].scrollLeft=e)}function handleMouseWheel(e,t,o,n){var r=(0,_jquery2.default)(e.target).closest(".slick-row"),i=r[0];if(i!=rowNodeFromLastMouseWheelEvent){var s=r.parents(".grid-canvas"),l=s.hasClass("grid-canvas-left");if(zombieRowNodeFromLastMouseWheelEvent&&zombieRowNodeFromLastMouseWheelEvent[l?0:1]!=i){var a=zombieRowNodeFromLastMouseWheelEvent[l||1==zombieRowNodeFromLastMouseWheelEvent.length?0:1];a.parentElement.removeChild(a),zombieRowNodeFromLastMouseWheelEvent=null}rowNodeFromLastMouseWheelEvent=i}scrollTop=Math.max(0,$viewportScrollContainerY[0].scrollTop-n*options.rowHeight),scrollLeft=$viewportScrollContainerX[0].scrollLeft+10*o;var c=_handleScroll(!0);c&&e.preventDefault()}function handleScroll(){return scrollTop=$viewportScrollContainerY[0].scrollTop,scrollLeft=$viewportScrollContainerX[0].scrollLeft,_handleScroll(!1)}function _handleScroll(e){var t=$viewportScrollContainerY[0].scrollHeight-$viewportScrollContainerY[0].clientHeight,o=$viewportScrollContainerY[0].scrollWidth-$viewportScrollContainerY[0].clientWidth,r=hasFrozenColumns();scrollTop>t&&(scrollTop=t),scrollLeft>o&&(scrollLeft=o);var i=Math.abs(scrollTop-prevScrollTop),s=Math.abs(scrollLeft-prevScrollLeft);if(s&&(prevScrollLeft=scrollLeft,$viewportScrollContainerX[0].scrollLeft=scrollLeft,$headerScrollContainer[0].scrollLeft=scrollLeft,$topPanelScroller[0].scrollLeft=scrollLeft,$headerRowScrollContainer[0].scrollLeft=scrollLeft,$footerRowScrollContainer[0].scrollLeft=scrollLeft,r?hasFrozenRows&&($viewportTopR[0].scrollLeft=scrollLeft):hasFrozenRows&&($viewportTopL[0].scrollLeft=scrollLeft)),i)if(vScrollDir=prevScrollTop<scrollTop?1:-1,prevScrollTop=scrollTop,e&&($viewportScrollContainerY[0].scrollTop=scrollTop),r&&(hasFrozenRows&&!options.frozenBottom?$viewportBottomL[0].scrollTop=scrollTop:$viewportTopL[0].scrollTop=scrollTop),i<viewportH)scrollTo(scrollTop+offset);else{var l=offset;page=h==viewportH?0:Math.min(n-1,Math.floor(scrollTop*((th-viewportH)/(h-viewportH))*(1/ph))),offset=Math.round(page*cj),l!=offset&&invalidateAllRows()}return(s||i)&&(h_render&&clearTimeout(h_render),(Math.abs(lastRenderedScrollTop-scrollTop)>20||Math.abs(lastRenderedScrollLeft-scrollLeft)>20)&&(options.forceSyncScrolling||Math.abs(lastRenderedScrollTop-scrollTop)<viewportH&&Math.abs(lastRenderedScrollLeft-scrollLeft)<viewportW?render():h_render=setTimeout(render,50),trigger(self.onViewportChanged,{}))),trigger(self.onScroll,{scrollLeft:scrollLeft,scrollTop:scrollTop}),!(!s&&!i)}function asyncPostProcessRows(){for(var e=getDataLength();postProcessFromRow<=postProcessToRow;){var t=vScrollDir>=0?postProcessFromRow++:postProcessToRow--,o=rowsCache[t];if(o&&!(t>=e)){postProcessedRows[t]||(postProcessedRows[t]={}),ensureCellNodesInRowsCache(t);for(var n in o.cellNodesByColumnIdx)if(o.cellNodesByColumnIdx.hasOwnProperty(n)){n|=0;var r=columns[n];if(r.asyncPostRender&&!postProcessedRows[t][n]){var i=o.cellNodesByColumnIdx[n];i&&r.asyncPostRender(i,t,getDataItem(t),r),postProcessedRows[t][n]=!0}}return void(h_postrender=setTimeout(asyncPostProcessRows,options.asyncPostRenderDelay))}}}function updateCellCssStylesOnRenderedRows(e,t){var o,n,r,i;for(var s in rowsCache){if(i=t&&t[s],r=e&&e[s],i)for(n in i)r&&i[n]==r[n]||(o=getCellNode(s,getColumnIndex(n)),o&&(0,_jquery2.default)(o).removeClass(i[n]));if(r)for(n in r)i&&i[n]==r[n]||(o=getCellNode(s,getColumnIndex(n)),o&&(0,_jquery2.default)(o).addClass(r[n]))}}function addCellCssStyles(e,t){if(cellCssClasses[e])throw"addCellCssStyles: cell CSS hash with key '"+e+"' already exists.";cellCssClasses[e]=t,updateCellCssStylesOnRenderedRows(t,null),trigger(self.onCellCssStylesChanged,{key:e,hash:t})}function removeCellCssStyles(e){cellCssClasses[e]&&(updateCellCssStylesOnRenderedRows(null,cellCssClasses[e]),delete cellCssClasses[e],trigger(self.onCellCssStylesChanged,{key:e,hash:null}))}function setCellCssStyles(e,t){var o=cellCssClasses[e];cellCssClasses[e]=t,updateCellCssStylesOnRenderedRows(t,o),trigger(self.onCellCssStylesChanged,{key:e,hash:t})}function getCellCssStyles(e){return cellCssClasses[e]}function flashCell(e,t,o){if(o=o||100,rowsCache[e]){var n=function e(t){t&&setTimeout(function(){r.queue(function(){r.toggleClass(options.cellFlashingCssClass).dequeue(),e(t-1)})},o)},r=(0,_jquery2.default)(getCellNode(e,t));n(4)}}function handleDragInit(e,t){var o=getCellFromEvent(e);if(!o||!cellExists(o.row,o.cell))return!1;var n=trigger(self.onDragInit,t,e);return!!e.isImmediatePropagationStopped()&&n}function handleDragStart(e){var t=_jquery2.default.Event(e.originalEvent.type,e.originalEvent),o=getCellFromEvent(t);if(!o||!cellExists(o.row,o.cell))return!1;var n=trigger(self.onDragStart,e,t);return!!t.isImmediatePropagationStopped()&&n}function handleDrag(e){var t=_jquery2.default.Event(e.originalEvent.type,e.originalEvent);return trigger(self.onDrag,e,t)}function handleDragEnd(e){trigger(self.onDragEnd,e,_jquery2.default.Event("mousedown"))}function handleKeyDown(e){trigger(self.onKeyDown,{row:activeRow,cell:activeCell},e);var t=e.isImmediatePropagationStopped();if(!t)if(e.shiftKey||e.altKey||e.ctrlKey)9!=e.which||!e.shiftKey||e.ctrlKey||e.altKey||(t=navigatePrev());else if(27==e.which){if(!getEditorLock().isActive())return;cancelEditAndSetFocus()}else 34==e.which?(navigatePageDown(),t=!0):33==e.which?(navigatePageUp(),t=!0):37==e.which?t=navigateLeft():39==e.which?t=navigateRight():38==e.which?t=navigateUp():40==e.which?t=navigateDown():9==e.which?t=navigateNext():13==e.which&&(options.editable&&(currentEditor?activeRow===getDataLength()?navigateDown():commitEditAndSetFocus():getEditorLock().commitCurrentEdit()&&makeActiveCellEditable()),t=!0);if(t){e.stopPropagation(),e.preventDefault();try{e.originalEvent.keyCode=0}catch(e){}}}function handleClick(e){currentEditor||(e.target!=document.activeElement||(0,_jquery2.default)(e.target).hasClass("slick-cell"))&&setFocus();var t=getCellFromEvent(e);!t||null!==currentEditor&&activeRow==t.row&&activeCell==t.cell||(trigger(self.onClick,{row:t.row,cell:t.cell},e),e.isImmediatePropagationStopped()||activeCell==t.cell&&activeRow==t.row||!canCellBeActive(t.row,t.cell)||getEditorLock().isActive()&&!getEditorLock().commitCurrentEdit()||(scrollRowIntoView(t.row,!1),setActiveCellInternal(getCellNode(t.row,t.cell))))}function handleContextMenu(e){var t=(0,_jquery2.default)(e.target).closest(".slick-cell",$canvas);0!==t.length&&(activeCellNode===t[0]&&null!==currentEditor||trigger(self.onContextMenu,{},e))}function handleDblClick(e){var t=getCellFromEvent(e);!t||null!==currentEditor&&activeRow==t.row&&activeCell==t.cell||(trigger(self.onDblClick,{row:t.row,cell:t.cell},e),e.isImmediatePropagationStopped()||options.editable&&gotoCell(t.row,t.cell,!0))}function handleHeaderMouseEnter(e){trigger(self.onHeaderMouseEnter,{column:(0,_jquery2.default)(this).data("column")},e)}function handleHeaderMouseLeave(e){trigger(self.onHeaderMouseLeave,{column:(0,_jquery2.default)(this).data("column")},e)}function handleHeaderContextMenu(e){var t=(0,_jquery2.default)(e.target).closest(".slick-header-column",".slick-header-columns"),o=t&&t.data("column");trigger(self.onHeaderContextMenu,{column:o},e)}function handleHeaderClick(e){var t=(0,_jquery2.default)(e.target).closest(".slick-header-column",".slick-header-columns"),o=t&&t.data("column");o&&trigger(self.onHeaderClick,{column:o},e)}function handleMouseEnter(e){trigger(self.onMouseEnter,{},e)}function handleMouseLeave(e){trigger(self.onMouseLeave,{},e)}function cellExists(e,t){return!(e<0||e>=getDataLength()||t<0||t>=columns.length)}function getCellFromPoint(e,t){for(var o=getRowFromPosition(t),n=0,r=0,i=0;i<columns.length&&r<e;i++)r+=columns[i].width,n++;return n<0&&(n=0),{row:o,cell:n-1}}function getCellFromNode(e){var t=/l\d+/.exec(e.className);if(!t)throw"getCellFromNode: cannot get cell - "+e.className;return parseInt(t[0].substr(1,t[0].length-1),10)}function getRowFromNode(e){for(var t in rowsCache)for(var o in rowsCache[t].rowNode)if(rowsCache[t].rowNode[o]===e)return 0|t;return null}function getFrozenRowOffset(e){var t=hasFrozenRows?options.frozenBottom?e>=actualFrozenRow?h<viewportTopH?actualFrozenRow*options.rowHeight:h:0:e>=actualFrozenRow?frozenRowsHeight:0:0;return t}function getCellFromEvent(e){var t,o,n=(0,_jquery2.default)(e.target).closest(".slick-cell",$canvas);if(!n.length)return null;if(t=getRowFromNode(n[0].parentNode),hasFrozenRows){var r=n.parents(".grid-canvas").offset(),i=0,s=n.parents(".grid-canvas-bottom").length;s&&(i=options.frozenBottom?$canvasTopL.height():frozenRowsHeight),t=getCellFromPoint(e.clientX-r.left,e.clientY-r.top+i+(0,_jquery2.default)(document).scrollTop()).row}return o=getCellFromNode(n[0]),null==t||null==o?null:{row:t,cell:o}}function getCellNodeBox(e,t){if(!cellExists(e,t))return null;for(var o=getFrozenRowOffset(e),n=getRowTop(e)-o,r=n+options.rowHeight-1,i=0,s=0;s<t;s++)i+=columns[s].width,options.frozenColumn==s&&(i=0);var l=i+columns[t].width;return{top:n,left:i,bottom:r,right:l}}function resetActiveCell(){setActiveCellInternal(null,!1)}function setFocus(){tabbingDirection==-1?$focusSink[0].focus():$focusSink2[0].focus()}function scrollCellIntoView(e,t,o){if(!(t<=options.frozenColumn)){e<actualFrozenRow&&scrollRowIntoView(e,o);var n=getColspan(e,t),r=columnPosLeft[t],i=columnPosRight[t+(n>1?n-1:0)],s=scrollLeft+$viewportScrollContainerX.width();r<scrollLeft?($viewportScrollContainerX.scrollLeft(r),handleScroll(),render()):i>s&&($viewportScrollContainerX.scrollLeft(Math.min(r,i-$viewportScrollContainerX[0].clientWidth)),handleScroll(),render())}}function setActiveCellInternal(e,t){null!==activeCellNode&&(makeActiveCellNormal(),(0,_jquery2.default)(activeCellNode).removeClass("active"),rowsCache[activeRow]&&(0,_jquery2.default)(rowsCache[activeRow].rowNode).removeClass("active"));var o=activeCellNode!==e;if(activeCellNode=e,null!=activeCellNode){var n=(0,_jquery2.default)(activeCellNode),r=n.offset(),i=Math.floor(n.parents(".grid-canvas").offset().top),s=n.parents(".grid-canvas-bottom").length;hasFrozenRows&&s&&(i-=options.frozenBottom?$canvasTopL.height():frozenRowsHeight);var l=getCellFromPoint(r.left,Math.ceil(r.top)-i);activeRow=l.row,activeCell=activePosX=activeCell=activePosX=getCellFromNode(activeCellNode[0]),n.addClass("active"),rowsCache[activeRow]&&(0,_jquery2.default)(rowsCache[activeRow].rowNode).addClass("active"),null==t&&(t=activeRow==getDataLength()||options.autoEdit),options.editable&&t&&isCellPotentiallyEditable(activeRow,activeCell)&&(clearTimeout(h_editorLoader),options.asyncEditorLoading?h_editorLoader=setTimeout(function(){makeActiveCellEditable()},options.asyncEditorLoadDelay):makeActiveCellEditable())}else activeRow=activeCell=null;o&&(setTimeout(scrollActiveCellIntoView,50),trigger(self.onActiveCellChanged,getActiveCell()))}function clearTextSelection(){if(document.selection&&document.selection.empty)try{document.selection.empty()}catch(e){}else if(window.getSelection){var e=window.getSelection();e&&e.removeAllRanges&&e.removeAllRanges()}}function isCellPotentiallyEditable(e,t){var o=getDataLength();return!(e<o&&!getDataItem(e))&&(!(columns[t].cannotTriggerInsert&&e>=o)&&!!getEditor(e,t))}function makeActiveCellNormal(){if(currentEditor){if(trigger(self.onBeforeCellEditorDestroy,{editor:currentEditor}),currentEditor.destroy(),currentEditor=null,activeCellNode){var e=getDataItem(activeRow);if((0,_jquery2.default)(activeCellNode).removeClass("editable invalid"),e){var t=columns[activeCell];activeCellNode[0].innerHTML=callFormatter(activeRow,activeCell,getDataItemValueForColumn(e,t),t,e),invalidatePostProcessingResults(activeRow)}}navigator.userAgent.toLowerCase().match(/msie/)&&clearTextSelection(),getEditorLock().deactivate(editController)}}function makeActiveCellEditable(e){if(activeCellNode){if(!options.editable)throw"Grid : makeActiveCellEditable : should never get called when options.editable is false";if(clearTimeout(h_editorLoader),isCellPotentiallyEditable(activeRow,activeCell)){var t=columns[activeCell],o=getDataItem(activeRow);if(trigger(self.onBeforeEditCell,{row:activeRow,cell:activeCell,item:o,column:t})===!1)return void setFocus();getEditorLock().activate(editController),(0,_jquery2.default)(activeCellNode).addClass("editable"),e||(activeCellNode[0].innerHTML=""),currentEditor=new(e||getEditor(activeRow,activeCell))({grid:self,gridPosition:absBox($container[0]),position:absBox(activeCellNode[0]),container:activeCellNode,column:t,item:o||{},commitChanges:commitEditAndSetFocus,cancelChanges:cancelEditAndSetFocus}),o&&currentEditor.loadValue(o),serializedEditorValue=currentEditor.serializeValue(),currentEditor.position&&handleActiveCellPositionChange()}}}function commitEditAndSetFocus(){getEditorLock().commitCurrentEdit()&&(setFocus(),options.autoEdit&&navigateDown())}function cancelEditAndSetFocus(){getEditorLock().cancelCurrentEdit()&&setFocus()}function absBox(e){var t={top:e.offsetTop,left:e.offsetLeft,bottom:0,right:0,width:(0,_jquery2.default)(e).outerWidth(),height:(0,_jquery2.default)(e).outerHeight(),visible:!0};t.bottom=t.top+t.height,t.right=t.left+t.width;for(var o=e.offsetParent;(e=e.parentNode)!=document.body;)t.visible&&e.scrollHeight!=e.offsetHeight&&"visible"!=(0,_jquery2.default)(e).css("overflowY")&&(t.visible=t.bottom>e.scrollTop&&t.top<e.scrollTop+e.clientHeight),t.visible&&e.scrollWidth!=e.offsetWidth&&"visible"!=(0,_jquery2.default)(e).css("overflowX")&&(t.visible=t.right>e.scrollLeft&&t.left<e.scrollLeft+e.clientWidth),t.left-=e.scrollLeft,t.top-=e.scrollTop,e===o&&(t.left+=e.offsetLeft,t.top+=e.offsetTop,o=e.offsetParent),t.bottom=t.top+t.height,t.right=t.left+t.width;return t}function getActiveCellPosition(){return absBox(activeCellNode[0])}function getGridPosition(){return absBox($container[0])}function handleActiveCellPositionChange(){if(activeCellNode&&(trigger(self.onActiveCellPositionChanged,{}),currentEditor)){var e=getActiveCellPosition();currentEditor.show&&currentEditor.hide&&(e.visible?currentEditor.show():currentEditor.hide()),currentEditor.position&&currentEditor.position(e)}}function getCellEditor(){return currentEditor}function getActiveCell(){return activeCellNode?{row:activeRow,cell:activeCell}:null}function getActiveCellNode(){return activeCellNode}function scrollActiveCellIntoView(){null!=activeRow&&null!=activeCell&&scrollCellIntoView(activeRow,activeCell)}function scrollRowIntoView(e,t){if(!hasFrozenRows||!options.frozenBottom&&e>actualFrozenRow-1||options.frozenBottom&&e<actualFrozenRow-1){var o=$viewportScrollContainerY.height(),n=e*options.rowHeight,r=(e+1)*options.rowHeight-o+(viewportHasHScroll?scrollbarDimensions.height:0);(e+1)*options.rowHeight>scrollTop+o+offset?(scrollTo(t?n:r),render()):e*options.rowHeight<scrollTop+offset&&(scrollTo(t?r:n),render())}}function scrollRowToTop(e){scrollTo(e*options.rowHeight),render()}function scrollPage(e){var t=e*numVisibleRows;if(scrollTo((getRowFromPosition(scrollTop)+t)*options.rowHeight),render(),options.enableCellNavigation&&null!=activeRow){var o=activeRow+t,n=getDataLengthIncludingAddNew();o>=n&&(o=n-1),o<0&&(o=0);for(var r=0,i=null,s=activePosX;r<=activePosX;)canCellBeActive(o,r)&&(i=r),r+=getColspan(o,r);null!==i?(setActiveCellInternal(getCellNode(o,i)),activePosX=s):resetActiveCell()}}function navigatePageDown(){scrollPage(1)}function navigatePageUp(){scrollPage(-1)}function getColspan(e,t){var o=data.getItemMetadata&&data.getItemMetadata(e);if(!o||!o.columns)return 1;var n=columns[t]&&(o.columns[columns[t].id]||o.columns[t]),r=n&&n.colspan;return r="*"===r?columns.length-t:r||1}function findFirstFocusableCell(e){for(var t=0;t<columns.length;){if(canCellBeActive(e,t))return t;t+=getColspan(e,t)}return null}function findLastFocusableCell(e){for(var t=0,o=null;t<columns.length;)canCellBeActive(e,t)&&(o=t),t+=getColspan(e,t);return o}function gotoRight(e,t,o){if(t>=columns.length)return null;do t+=getColspan(e,t);while(t<columns.length&&!canCellBeActive(e,t));return t<columns.length?{row:e,cell:t,posX:t}:null}function gotoLeft(e,t,o){if(t<=0)return null;var n=findFirstFocusableCell(e);if(null===n||n>=t)return null;for(var r,i={row:e,cell:n,posX:n};;){if(r=gotoRight(i.row,i.cell,i.posX),!r)return null;if(r.cell>=t)return i;i=r}}function gotoDown(e,t,o){for(var n,r=getDataLengthIncludingAddNew();;){if(++e>=r)return null;for(n=t=0;t<=o;)n=t,t+=getColspan(e,t);if(canCellBeActive(e,n))return{row:e,cell:n,posX:o}}}function gotoUp(e,t,o){for(var n;;){if(--e<0)return null;for(n=t=0;t<=o;)n=t,t+=getColspan(e,t);if(canCellBeActive(e,n))return{row:e,cell:n,posX:o}}}function gotoNext(e,t,o){if(null==e&&null==t&&(e=t=o=0,canCellBeActive(e,t)))return{row:e,cell:t,posX:t};var n=gotoRight(e,t,o);if(n)return n;for(var r=null,i=getDataLengthIncludingAddNew();++e<i;)if(r=findFirstFocusableCell(e),null!==r)return{row:e,cell:r,posX:r};return null}function gotoPrev(e,t,o){if(null==e&&null==t&&(e=getDataLengthIncludingAddNew()-1,t=o=columns.length-1,canCellBeActive(e,t)))return{row:e,cell:t,posX:t};for(var n,r;!n&&!(n=gotoLeft(e,t,o));){if(--e<0)return null;t=0,r=findLastFocusableCell(e),null!==r&&(n={row:e,cell:r,posX:r})}return n}function navigateRight(){return navigate("right")}function navigateLeft(){return navigate("left")}function navigateDown(){return navigate("down")}function navigateUp(){return navigate("up")}function navigateNext(){return navigate("next")}function navigatePrev(){return navigate("prev")}function navigate(e){if(!options.enableCellNavigation)return!1;if(!activeCellNode&&"prev"!=e&&"next"!=e)return!1;if(!getEditorLock().commitCurrentEdit())return!0;setFocus();var t={up:-1,down:1,left:-1,right:1,prev:-1,next:1};tabbingDirection=t[e];var o={up:gotoUp,down:gotoDown,left:gotoLeft,right:gotoRight,prev:gotoPrev,next:gotoNext},n=o[e],r=n(activeRow,activeCell,activePosX);if(r){if(hasFrozenRows&&options.frozenBottom&r.row==getDataLength())return;var i=r.row==getDataLength();return(!options.frozenBottom&&r.row>=actualFrozenRow||options.frozenBottom&&r.row<actualFrozenRow)&&scrollCellIntoView(r.row,r.cell,!i),setActiveCellInternal(getCellNode(r.row,r.cell)),activePosX=r.posX,!0}return setActiveCellInternal(getCellNode(activeRow,activeCell)),!1}function getCellNode(e,t){return rowsCache[e]?(ensureCellNodesInRowsCache(e),rowsCache[e].cellNodesByColumnIdx[t]):null}function setActiveCell(e,t){initialized&&(e>getDataLength()||e<0||t>=columns.length||t<0||options.enableCellNavigation&&(scrollCellIntoView(e,t,!1),setActiveCellInternal(getCellNode(e,t),!1)))}function canCellBeActive(e,t){if(!options.enableCellNavigation||e>=getDataLengthIncludingAddNew()||e<0||t>=columns.length||t<0)return!1;var o=data.getItemMetadata&&data.getItemMetadata(e);if(o&&"boolean"==typeof o.focusable)return o.focusable;var n=o&&o.columns;return n&&columns[t]&&n[columns[t].id]&&"boolean"==typeof n[columns[t].id].focusable?n[columns[t].id].focusable:n&&n[t]&&"boolean"==typeof n[t].focusable?n[t].focusable:columns[t]&&columns[t].focusable}function canCellBeSelected(e,t){if(e>=getDataLength()||e<0||t>=columns.length||t<0)return!1;var o=data.getItemMetadata&&data.getItemMetadata(e);if(o&&"boolean"==typeof o.selectable)return o.selectable;var n=o&&o.columns&&(o.columns[columns[t].id]||o.columns[t]);return n&&"boolean"==typeof n.selectable?n.selectable:columns[t].selectable}function gotoCell(e,t,o){if(initialized&&canCellBeActive(e,t)&&getEditorLock().commitCurrentEdit()){scrollCellIntoView(e,t,!1);var n=getCellNode(e,t);setActiveCellInternal(n,o||e===getDataLength()||options.autoEdit),currentEditor||setFocus()}}function commitCurrentEdit(){var e=getDataItem(activeRow),t=columns[activeCell];if(currentEditor){if(currentEditor.isValueChanged()){var o=currentEditor.validate();if(o.valid){if(activeRow<getDataLength()){var n={row:activeRow,cell:activeCell,editor:currentEditor,serializedValue:currentEditor.serializeValue(),prevSerializedValue:serializedEditorValue,execute:function(){this.editor.applyValue(e,this.serializedValue),updateRow(this.row),trigger(self.onCellChange,{row:activeRow,cell:activeCell,item:e})},undo:function(){this.editor.applyValue(e,this.prevSerializedValue),updateRow(this.row),trigger(self.onCellChange,{row:activeRow,cell:activeCell,item:e})}};options.editCommandHandler?(makeActiveCellNormal(),options.editCommandHandler(e,t,n)):(n.execute(),makeActiveCellNormal())}else{var 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t(){(0,_jquery2.default)(this).removeClass("ui-state-hover")}$headers.find(".slick-header-column").each(function(){var e=(0,_jquery2.default)(this).data("column");e&&trigger(self.onBeforeHeaderCellDestroy,{node:this,column:e,grid:self})}),$headers.empty(),$headers.width(getHeadersWidth()),$headerRow.find(".slick-headerrow-column").each(function(){var e=(0,_jquery2.default)(this).data("column");e&&trigger(self.onBeforeHeaderRowCellDestroy,{node:this,column:e,grid:self})}),$headerRow.empty(),options.createFooterRow&&($footerRow.find(".slick-footerrow-column").each(function(){var e=(0,_jquery2.default)(this).data("column");e&&trigger(self.onBeforeFooterRowCellDestroy,{node:this,column:e})}),$footerRow.empty());for(var o=0;o<columns.length;o++){var n=columns[o],r=(0,_jquery2.default)("<div class='ui-state-default slick-header-column' />").html("<span 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r"+o+"'></div>").data("column",n).appendTo($footerRow);trigger(self.onFooterRowCellRendered,{node:s[0],column:n})}}setSortColumns(sortColumns),setupColumnResize(),options.enableColumnReorder&&setupColumnReorder()}function setupColumnSort(){$headers.click(function(e){if(e.metaKey=e.metaKey||e.ctrlKey,!(0,_jquery2.default)(e.target).hasClass("slick-resizable-handle")){var t=(0,_jquery2.default)(e.target).closest(".slick-header-column");if(t.length){var o=t.data("column");if(o.sortable){if(!getEditorLock().commitCurrentEdit())return;for(var n=null,r=0;r<sortColumns.length;r++)if(sortColumns[r].columnId==o.id){n=sortColumns[r],n.sortAsc=!n.sortAsc;break}e.metaKey&&options.multiColumnSort?n&&sortColumns.splice(r,1):((e.shiftKey||e.metaKey)&&options.multiColumnSort||(sortColumns=[]),n?0==sortColumns.length&&sortColumns.push(n):(n={columnId:o.id,sortAsc:o.defaultSortAsc},sortColumns.push(n))),setSortColumns(sortColumns),options.multiColumnSort?trigger(self.onSort,{multiColumnSort:!0,sortCols:_jquery2.default.map(sortColumns,function(e){return{sortCol:columns[getColumnIndex(e.columnId)],sortAsc:e.sortAsc}}),grid:self},e):trigger(self.onSort,{multiColumnSort:!1,sortCol:o,sortAsc:n.sortAsc,grid:self},e)}}}})}function setupColumnReorder(){var e=0,t=0,o=document.createElement("div");o.className="interact-placeholder",(0,_interact2.default)(".slick-header-column").ignoreFrom(".slick-resizable-handle").draggable({inertia:!0,restrict:{restriction:"parent",endOnly:!0,elementRect:{top:0,left:0,bottom:0,right:0}},autoScroll:!0,axis:"x",onstart:function(n){e=0,t=n.target.offsetWidth,$headers.find(".slick-header-column").each(function(e){(0,_jquery2.default)(this).data("index",e)}),o.style.height=n.target.offsetHeight+"px",o.style.width=t+"px",(0,_jquery2.default)(n.target).after(o).css({position:"absolute",zIndex:1e3,marginLeft:(0,_jquery2.default)(n.target).position().left})},onmove:function(t){e+=t.dx,t.target.style.transform="translate3d("+e+"px, -3px, 100px)"},onend:function(n){e=0,t=0,(0,_jquery2.default)(n.target).css({position:"relative",zIndex:"",marginLeft:0,transform:"none"}),o.parentNode.removeChild(o);var r=[];$headers.find(".slick-header-column").each(function(e){r.push(columns[(0,_jquery2.default)(this).data("index")]),(0,_jquery2.default)(this).removeData("index")}),setColumns(r),trigger(self.onColumnsReordered,{grid:self}),setupColumnResize()}}).dropzone({accept:".slick-header-column",ondragenter:function(e){e.target.classList.add("interact-drop-active"),e.relatedTarget.classList.add("interact-can-drop")},ondragleave:function(e){e.target.classList.remove("interact-drop-active"),e.relatedTarget.classList.remove("interact-can-drop")},ondrop:function(t){t.target.classList.remove("interact-drop-active"),t.relatedTarget.classList.remove("interact-can-drop"),(0,_jquery2.default)(t.target)[e>0?"after":"before"](t.relatedTarget)}}).styleCursor(!1)}function setupColumnResize(){var e,t,o,n;t=$headers.children(),t.find(".slick-resizable-handle").remove(),t.each(function(e,t){columns[e].resizable&&(void 0===o&&(o=e),n=e)}),void 0!==o&&t.each(function(t,r){if(!(t<o||options.forceFitColumns&&t>=n)){e=(0,_jquery2.default)(r);var i=(0,_jquery2.default)("<div class='slick-resizable-handle' />");if(i.appendTo(r),!e.data("resizable")){var s=columns[t];s.resizable&&(e.data("resizable",!0),(0,_interact2.default)(r).resizable({preserveAspectRatio:!1,edges:{left:!0,right:!0,bottom:!1,top:!1}}).on("resizestart",function(e){return!!getEditorLock().commitCurrentEdit()&&(s.previousWidth=e.rect.width,void e.target.classList.add("slick-header-column-active"))}).on("resizemove",function(e){var t=e.dx,o=s.width+=t;s.minWidth>0&&s.minWidth>o?o=s.minWidth:s.maxWidth>0&&s.maxWidth<o&&(o=s.maxWidth),s.width=o,options.forceFitColumns&&autosizeColumns(),applyColumnHeaderWidths(),options.syncColumnCellResize&&applyColumnWidths()}).on("resizeend",function(e){e.target.classList.remove("slick-header-column-active"),invalidateAllRows(),updateCanvasWidth(!0),render(),trigger(self.onColumnsResized,{grid:self})}))}}})}function getVBoxDelta(e){var t=["borderTopWidth","borderBottomWidth","paddingTop","paddingBottom"],o=0;return _jquery2.default.each(t,function(t,n){o+=parseFloat(e.css(n))||0}),o}function measureCellPaddingAndBorder(){var e,t=["borderLeftWidth","borderRightWidth","paddingLeft","paddingRight"],o=["borderTopWidth","borderBottomWidth","paddingTop","paddingBottom"],n=_jquery2.default.fn.jquery.split(".");jQueryNewWidthBehaviour=1==n[0]&&n[1]>=8||n[0]>=2,e=(0,_jquery2.default)("<div class='ui-state-default slick-header-column' style='visibility:hidden'>-</div>").appendTo($headers),headerColumnWidthDiff=headerColumnHeightDiff=0,"border-box"!=e.css("box-sizing")&&"border-box"!=e.css("-moz-box-sizing")&&"border-box"!=e.css("-webkit-box-sizing")&&(_jquery2.default.each(t,function(t,o){headerColumnWidthDiff+=parseFloat(e.css(o))||0}),_jquery2.default.each(o,function(t,o){headerColumnHeightDiff+=parseFloat(e.css(o))||0})),e.remove();var r=(0,_jquery2.default)("<div class='slick-row' />").appendTo($canvas);e=(0,_jquery2.default)("<div class='slick-cell' id='' style='visibility:hidden'>-</div>").appendTo(r),cellWidthDiff=cellHeightDiff=0,"border-box"!=e.css("box-sizing")&&"border-box"!=e.css("-moz-box-sizing")&&"border-box"!=e.css("-webkit-box-sizing")&&(_jquery2.default.each(t,function(t,o){cellWidthDiff+=parseFloat(e.css(o))||0}),_jquery2.default.each(o,function(t,o){cellHeightDiff+=parseFloat(e.css(o))||0})),r.remove(),absoluteColumnMinWidth=Math.max(headerColumnWidthDiff,cellWidthDiff)}function createCssRules(){$style=(0,_jquery2.default)("<style type='text/css' rel='stylesheet' />").appendTo((0,_jquery2.default)("head"));for(var e=options.rowHeight-cellHeightDiff,t=["."+uid+" .slick-header-column { left: 0; }","."+uid+" .slick-top-panel { height:"+options.topPanelHeight+"px; }","."+uid+" .slick-headerrow-columns { height:"+options.headerRowHeight+"px; }","."+uid+" .slick-footerrow-columns { height:"+options.footerRowHeight+"px; }","."+uid+" .slick-cell { height:"+e+"px; }","."+uid+" .slick-row { height:"+options.rowHeight+"px; }"],o=0;o<columns.length;o++)t.push("."+uid+" .l"+o+" { }"),t.push("."+uid+" .r"+o+" { }");$style[0].styleSheet?$style[0].styleSheet.cssText=t.join(" "):$style[0].appendChild(document.createTextNode(t.join(" ")))}function getColumnCssRules(e){if(!stylesheet){for(var t=document.styleSheets,o=0;o<t.length;o++)if((t[o].ownerNode||t[o].owningElement)==$style[0]){stylesheet=t[o];break}if(!stylesheet)throw new Error("Cannot find stylesheet.");columnCssRulesL=[],columnCssRulesR=[];for(var n,r,i=stylesheet.cssRules||stylesheet.rules,o=0;o<i.length;o++){var s=i[o].selectorText;(n=/\.l\d+/.exec(s))?(r=parseInt(n[0].substr(2,n[0].length-2),10),columnCssRulesL[r]=i[o]):(n=/\.r\d+/.exec(s))&&(r=parseInt(n[0].substr(2,n[0].length-2),10),columnCssRulesR[r]=i[o])}}return{left:columnCssRulesL[e],right:columnCssRulesR[e]}}function removeCssRules(){$style.remove(),stylesheet=null}function destroy(){getEditorLock().cancelCurrentEdit(),trigger(self.onBeforeDestroy,{grid:self});for(var e=plugins.length;e--;)unregisterPlugin(plugins[e]);unbindAncestorScrollEvents(),$container.unbind(".slickgrid"),removeCssRules(),$container.empty().removeClass(uid)}function trigger(e,t,o){return o=o||new _slick2.default.EventData,t=t||{},t.grid=self,e.notify(t,o,self)}function getEditorLock(){return options.editorLock}function getEditController(){return editController}function getColumnIndex(e){return columnsById[e]}function autosizeColumns(){var e,t,o,n=[],r=0,i=0,s=viewportHasVScroll?viewportW-scrollbarDimensions.width:viewportW;for(e=0;e<columns.length;e++)t=columns[e],n.push(t.width),i+=t.width,t.resizable&&(r+=t.width-Math.max(t.minWidth,absoluteColumnMinWidth));for(o=i;i>s&&r;){var l=(i-s)/r;for(e=0;e<columns.length&&i>s;e++){t=columns[e];var a=n[e];if(!(!t.resizable||a<=t.minWidth||a<=absoluteColumnMinWidth)){var c=Math.max(t.minWidth,absoluteColumnMinWidth),d=Math.floor(l*(a-c))||1;d=Math.min(d,a-c),i-=d,r-=d,n[e]-=d}}if(o<=i)break;o=i}for(o=i;i<s;){var u=s/i;for(e=0;e<columns.length&&i<s;e++){t=columns[e];var h,p=n[e];h=!t.resizable||t.maxWidth<=p?0:Math.min(Math.floor(u*p)-p,t.maxWidth-p||1e6)||1,i+=h,n[e]+=i<=s?h:0}if(o>=i)break;o=i}var f=!1;for(e=0;e<columns.length;e++)columns[e].rerenderOnResize&&columns[e].width!=n[e]&&(f=!0),columns[e].width=n[e];applyColumnHeaderWidths(),updateCanvasWidth(!0),f&&(invalidateAllRows(),render())}function applyColumnHeaderWidths(){if(initialized){for(var e,t=0,o=$headers.children("[id]"),n=o.length;t<n;t++)e=(0,_jquery2.default)(o[t]),jQueryNewWidthBehaviour?e.outerWidth()!==columns[t].width&&e.outerWidth(columns[t].width):e.width()!==columns[t].width-headerColumnWidthDiff&&e.width(columns[t].width-headerColumnWidthDiff);updateColumnCaches()}}function applyColumnWidths(){for(var e,t,o=0,n=0;n<columns.length;n++)e=columns[n].width,t=getColumnCssRules(n),t.left.style.left=o+"px",t.right.style.right=canvasWidth-o-e+"px",o+=columns[n].width}function setSortColumn(e,t){setSortColumns([{columnId:e,sortAsc:t}])}function setSortColumns(e){sortColumns=e;var t=$headers.children();t.removeClass("slick-header-column-sorted").find(".slick-sort-indicator").removeClass("slick-sort-indicator-asc slick-sort-indicator-desc"),_jquery2.default.each(sortColumns,function(e,o){null==o.sortAsc&&(o.sortAsc=!0);var n=getColumnIndex(o.columnId);null!=n&&t.eq(n).addClass("slick-header-column-sorted").find(".slick-sort-indicator").addClass(o.sortAsc?"slick-sort-indicator-asc":"slick-sort-indicator-desc")})}function getSortColumns(){return sortColumns}function handleSelectedRangesChanged(e,t){selectedRows=[];for(var o={},n=0;n<t.length;n++)for(var r=t[n].fromRow;r<=t[n].toRow;r++){o[r]||(selectedRows.push(r),o[r]={});for(var i=t[n].fromCell;i<=t[n].toCell;i++)canCellBeSelected(r,i)&&(o[r][columns[i].id]=options.selectedCellCssClass)}setCellCssStyles(options.selectedCellCssClass,o),trigger(self.onSelectedRowsChanged,{rows:getSelectedRows(),grid:self},e)}function getColumns(){return columns}function updateColumnCaches(){columnPosLeft=[],columnPosRight=[];for(var e=0,t=0,o=columns.length;t<o;t++)columnPosLeft[t]=e,columnPosRight[t]=e+columns[t].width,e+=columns[t].width}function setColumns(e){columns=e,columnsById={};for(var t=0;t<columns.length;t++){var o=columns[t]=_jquery2.default.extend({},columnDefaults,columns[t]);columnsById[o.id]=t,o.minWidth&&o.width<o.minWidth&&(o.width=o.minWidth),o.maxWidth&&o.width>o.maxWidth&&(o.width=o.maxWidth)}updateColumnCaches(),initialized&&(invalidateAllRows(),createColumnHeaders(),removeCssRules(),createCssRules(),resizeCanvas(),applyColumnWidths(),handleScroll())}function getOptions(){return options}function setOptions(e){getEditorLock().commitCurrentEdit()&&(makeActiveCellNormal(),options.enableAddRow!==e.enableAddRow&&invalidateRow(getDataLength()),options=_jquery2.default.extend(options,e),validateAndEnforceOptions(),$viewport.css("overflow-y",options.autoHeight?"hidden":"auto"),render())}function validateAndEnforceOptions(){options.autoHeight&&(options.leaveSpaceForNewRows=!1)}function setData(e,t){data=e,invalidateAllRows(),updateRowCount(),t&&scrollTo(0)}function getData(){return data}function getDataLength(){return data.getLength?data.getLength():data.length}function getDataLengthIncludingAddNew(){return getDataLength()+(options.enableAddRow?1:0)}function getDataItem(e){return data.getItem?data.getItem(e):data[e]}function getTopPanel(){return $topPanel[0]}function setTopPanelVisibility(e){options.showTopPanel!=e&&(options.showTopPanel=e,e?$topPanelScroller.slideDown("fast",resizeCanvas):$topPanelScroller.slideUp("fast",resizeCanvas))}function setHeaderRowVisibility(e){options.showHeaderRow!=e&&(options.showHeaderRow=e,e?$headerRowScroller.slideDown("fast",resizeCanvas):$headerRowScroller.slideUp("fast",resizeCanvas))}function setFooterRowVisibility(e){options.showFooterRow!=e&&(options.showFooterRow=e,e?$footerRowScroller.slideDown("fast",resizeCanvas):$footerRowScroller.slideUp("fast",resizeCanvas))}function getContainerNode(){return $container.get(0)}function getRowTop(e){return options.rowHeight*e-offset}function getRowFromPosition(e){return Math.floor((e+offset)/options.rowHeight)}function scrollTo(e){e=Math.max(e,0),e=Math.min(e,th-viewportH+(viewportHasHScroll?scrollbarDimensions.height:0));var t=offset;page=Math.min(n-1,Math.floor(e/ph)),offset=Math.round(page*cj);var o=e-offset;if(offset!=t){var r=getVisibleRange(o);cleanupRows(r),updateRowPositions()}prevScrollTop!=o&&(vScrollDir=prevScrollTop+t<o+offset?1:-1,$viewport[0].scrollTop=lastRenderedScrollTop=scrollTop=prevScrollTop=o,trigger(self.onViewportChanged,{grid:self}))}function defaultFormatter(e,t,o,n,r){return null==o?"":(o+"").replace(/&/g,"&amp;").replace(/</g,"&lt;").replace(/>/g,"&gt;")}function getFormatter(e,t){var o=data.getItemMetadata&&data.getItemMetadata(e),n=o&&o.columns&&(o.columns[t.id]||o.columns[getColumnIndex(t.id)]);return n&&n.formatter||o&&o.formatter||t.formatter||options.formatterFactory&&options.formatterFactory.getFormatter(t)||options.defaultFormatter}function getEditor(e,t){var o=columns[t],n=data.getItemMetadata&&data.getItemMetadata(e),r=n&&n.columns;return r&&r[o.id]&&void 0!==r[o.id].editor?r[o.id].editor:r&&r[t]&&void 0!==r[t].editor?r[t].editor:o.editor||options.editorFactory&&options.editorFactory.getEditor(o)}function getDataItemValueForColumn(e,t){return options.dataItemColumnValueExtractor?options.dataItemColumnValueExtractor(e,t):e[t.field]}function appendRowHtml(e,t,o,n){var r=getDataItem(t),i=t<n&&!r,s="slick-row"+(i?" loading":"")+(t===activeRow?" active":"")+(t%2==1?" odd":" even");r||(s+=" "+options.addNewRowCssClass);var l=data.getItemMetadata&&data.getItemMetadata(t);l&&l.cssClasses&&(s+=" "+l.cssClasses),e.push("<div class='ui-widget-content "+s+"' style='top:"+getRowTop(t)+"px'>");for(var a,c,d=0,u=columns.length;d<u;d++){if(c=columns[d],a=1,l&&l.columns){var h=l.columns[c.id]||l.columns[d];a=h&&h.colspan||1,"*"===a&&(a=u-d)}if(columnPosRight[Math.min(u-1,d+a-1)]>o.leftPx){if(columnPosLeft[d]>o.rightPx)break;appendCellHtml(e,t,d,a,r)}a>1&&(d+=a-1)}e.push("</div>")}function appendCellHtml(e,t,o,n,r){var i=columns[o],s="slick-cell l"+o+" r"+Math.min(columns.length-1,o+n-1)+(i.cssClass?" "+i.cssClass:"");t===activeRow&&o===activeCell&&(s+=" active");for(var l in cellCssClasses)cellCssClasses[l][t]&&cellCssClasses[l][t][i.id]&&(s+=" "+cellCssClasses[l][t][i.id]);if(e.push("<div class='"+s+"'>"),r){var a=getDataItemValueForColumn(r,i);e.push(getFormatter(t,i)(t,o,a,i,r))}e.push("</div>"),rowsCache[t].cellRenderQueue.push(o),rowsCache[t].cellColSpans[o]=n}function cleanupRows(e){for(var t in rowsCache)(t=parseInt(t,10))!==activeRow&&(t<e.top||t>e.bottom)&&removeRowFromCache(t);options.enableAsyncPostRenderCleanup&&startPostProcessingCleanup()}function invalidate(){updateRowCount(),invalidateAllRows(),render()}function invalidateAllRows(){currentEditor&&makeActiveCellNormal();for(var e in rowsCache)removeRowFromCache(e);options.enableAsyncPostRenderCleanup&&startPostProcessingCleanup()}function queuePostProcessedRowForCleanup(e,t,o){postProcessgroupId++;for(var n in t)t.hasOwnProperty(n)&&postProcessedCleanupQueue.push({actionType:"C",groupId:postProcessgroupId,node:e.cellNodesByColumnIdx[0|n],columnIdx:0|n,rowIdx:o});postProcessedCleanupQueue.push({actionType:"R",groupId:postProcessgroupId,node:e.rowNode}),(0,_jquery2.default)(e.rowNode).detach()}function queuePostProcessedCellForCleanup(e,t,o){postProcessedCleanupQueue.push({actionType:"C",groupId:postProcessgroupId,node:e,columnIdx:t,rowIdx:o}),(0,_jquery2.default)(e).detach()}function removeRowFromCache(e){var t=rowsCache[e];t&&(rowNodeFromLastMouseWheelEvent===t.rowNode?(t.rowNode.style.display="none",zombieRowNodeFromLastMouseWheelEvent=rowNodeFromLastMouseWheelEvent,zombieRowCacheFromLastMouseWheelEvent=t,zombieRowPostProcessedFromLastMouseWheelEvent=postProcessedRows[e]):options.enableAsyncPostRenderCleanup&&postProcessedRows[e]?queuePostProcessedRowForCleanup(t,postProcessedRows[e],e):$canvas[0].removeChild(t.rowNode),delete rowsCache[e],delete postProcessedRows[e],renderedRows--,counter_rows_removed++)}function invalidateRows(e){var t,o;if(e&&e.length){for(vScrollDir=0,t=0,o=e.length;t<o;t++)currentEditor&&activeRow===e[t]&&makeActiveCellNormal(),rowsCache[e[t]]&&removeRowFromCache(e[t]);options.enableAsyncPostRenderCleanup&&startPostProcessingCleanup()}}function invalidateRow(e){invalidateRows([e])}function updateCell(e,t){var o=getCellNode(e,t);if(o){var n=columns[t],r=getDataItem(e);currentEditor&&activeRow===e&&activeCell===t?currentEditor.loadValue(r):(o.innerHTML=r?getFormatter(e,n)(e,t,getDataItemValueForColumn(r,n),n,r):"",invalidatePostProcessingResults(e))}}function updateRow(e){var t=rowsCache[e];if(t){ensureCellNodesInRowsCache(e);var o=getDataItem(e);for(var n in t.cellNodesByColumnIdx)if(t.cellNodesByColumnIdx.hasOwnProperty(n)){n|=0;var r=columns[n],i=t.cellNodesByColumnIdx[n];e===activeRow&&n===activeCell&&currentEditor?currentEditor.loadValue(o):o?i.innerHTML=getFormatter(e,r)(e,n,getDataItemValueForColumn(o,r),r,o):i.innerHTML=""}invalidatePostProcessingResults(e)}}function getViewportHeight(){return parseFloat(_jquery2.default.css($container[0],"height",!0))-parseFloat(_jquery2.default.css($container[0],"paddingTop",!0))-parseFloat(_jquery2.default.css($container[0],"paddingBottom",!0))-parseFloat(_jquery2.default.css($headerScroller[0],"height"))-getVBoxDelta($headerScroller)-(options.showTopPanel?options.topPanelHeight+getVBoxDelta($topPanelScroller):0)-(options.showHeaderRow?options.headerRowHeight+getVBoxDelta($headerRowScroller):0)-(options.createFooterRow&&options.showFooterRow?options.footerRowHeight+getVBoxDelta($footerRowScroller):0)}function resizeCanvas(){initialized&&(viewportH=options.autoHeight?options.rowHeight*getDataLengthIncludingAddNew():getViewportHeight(),numVisibleRows=Math.ceil(viewportH/options.rowHeight),viewportW=parseFloat(_jquery2.default.css($container[0],"width",!0)),options.autoHeight||$viewport.height(viewportH),options.forceFitColumns&&autosizeColumns(),updateRowCount(),handleScroll(),lastRenderedScrollLeft=-1,render())}function updateRowCount(){if(initialized){var e=getDataLengthIncludingAddNew(),t=e+(options.leaveSpaceForNewRows?numVisibleRows-1:0),o=viewportHasVScroll;viewportHasVScroll=!options.autoHeight&&t*options.rowHeight>viewportH,viewportHasHScroll=canvasWidth>viewportW-scrollbarDimensions.width,makeActiveCellNormal();var r=e-1;for(var i in rowsCache)i>r&&removeRowFromCache(i);options.enableAsyncPostRenderCleanup&&startPostProcessingCleanup(),activeCellNode&&activeRow>r&&resetActiveCell();var s=h;th=Math.max(options.rowHeight*t,viewportH-scrollbarDimensions.height),th<maxSupportedCssHeight?(h=ph=th,n=1,cj=0):(h=maxSupportedCssHeight,ph=h/100,n=Math.floor(th/ph),cj=(th-h)/(n-1)),h!==s&&($canvas.css("height",h),scrollTop=$viewport[0].scrollTop);var l=scrollTop+offset<=th-viewportH;0==th||0==scrollTop?page=offset=0:scrollTo(l?scrollTop+offset:th-viewportH),h!=s&&options.autoHeight&&resizeCanvas(),options.forceFitColumns&&o!=viewportHasVScroll&&autosizeColumns(),updateCanvasWidth(!1)}}function getVisibleRange(e,t){return null==e&&(e=scrollTop),null==t&&(t=scrollLeft),{top:getRowFromPosition(e),bottom:getRowFromPosition(e+viewportH)+1,leftPx:t,rightPx:t+viewportW}}function getRenderedRange(e,t){var o=getVisibleRange(e,t),n=Math.round(viewportH/options.rowHeight),r=3;return vScrollDir==-1?(o.top-=n,o.bottom+=r):1==vScrollDir?(o.top-=r,o.bottom+=n):(o.top-=r,o.bottom+=r),o.top=Math.max(0,o.top),o.bottom=Math.min(getDataLengthIncludingAddNew()-1,o.bottom),o.leftPx-=viewportW,o.rightPx+=viewportW,o.leftPx=Math.max(0,o.leftPx),o.rightPx=Math.min(canvasWidth,o.rightPx),o}function ensureCellNodesInRowsCache(e){var t=rowsCache[e];if(t&&t.cellRenderQueue.length)for(var o=t.rowNode.lastChild;t.cellRenderQueue.length;){var n=t.cellRenderQueue.pop();t.cellNodesByColumnIdx[n]=o,o=o.previousSibling}}function cleanUpCells(e,t){var o=0,n=rowsCache[t],r=[];for(var i in n.cellNodesByColumnIdx)if(n.cellNodesByColumnIdx.hasOwnProperty(i)){i|=0;var s=n.cellColSpans[i];(columnPosLeft[i]>e.rightPx||columnPosRight[Math.min(columns.length-1,i+s-1)]<e.leftPx)&&(t==activeRow&&i==activeCell||r.push(i))}var l,a;for(postProcessgroupId++;null!=(l=r.pop());)a=n.cellNodesByColumnIdx[l],options.enableAsyncPostRenderCleanup&&postProcessedRows[t]&&postProcessedRows[t][l]?queuePostProcessedCellForCleanup(a,l,t):n.rowNode.removeChild(a),delete n.cellColSpans[l],delete n.cellNodesByColumnIdx[l],postProcessedRows[t]&&delete postProcessedRows[t][l],o++}function cleanUpAndRenderCells(e){for(var t,o,n,r=[],i=[],s=0,l=e.top,a=e.bottom;l<=a;l++)if(t=rowsCache[l]){ensureCellNodesInRowsCache(l),cleanUpCells(e,l),o=0;var c=data.getItemMetadata&&data.getItemMetadata(l);c=c&&c.columns;for(var d=getDataItem(l),u=0,h=columns.length;u<h&&!(columnPosLeft[u]>e.rightPx);u++)if(null==(n=t.cellColSpans[u])){if(n=1,c){var p=c[columns[u].id]||c[u];n=p&&p.colspan||1,"*"===n&&(n=h-u)}columnPosRight[Math.min(h-1,u+n-1)]>e.leftPx&&(appendCellHtml(r,l,u,n,d),o++),u+=n>1?n-1:0}else u+=n>1?n-1:0;o&&(s+=o,i.push(l))}if(r.length){var f=document.createElement("div");f.innerHTML=r.join("");for(var g,v;null!=(g=i.pop());){t=rowsCache[g];for(var m;null!=(m=t.cellRenderQueue.pop());)v=f.lastChild,t.rowNode.appendChild(v),t.cellNodesByColumnIdx[m]=v}}}function renderRows(e){for(var t=$canvas[0],o=[],n=[],r=!1,i=getDataLength(),s=e.top,l=e.bottom;s<=l;s++)rowsCache[s]||(renderedRows++,n.push(s),rowsCache[s]={rowNode:null,cellColSpans:[],cellNodesByColumnIdx:[],cellRenderQueue:[]},appendRowHtml(o,s,e,i),activeCellNode&&activeRow===s&&(r=!0),counter_rows_rendered++);if(n.length){var a=document.createElement("div");a.innerHTML=o.join("");for(var s=0,l=n.length;s<l;s++)rowsCache[n[s]].rowNode=t.appendChild(a.firstChild);r&&(activeCellNode=getCellNode(activeRow,activeCell))}}function startPostProcessing(){options.enableAsyncPostRender&&(clearTimeout(h_postrender),h_postrender=setTimeout(asyncPostProcessRows,options.asyncPostRenderDelay))}function startPostProcessingCleanup(){options.enableAsyncPostRenderCleanup&&(clearTimeout(h_postrenderCleanup),h_postrenderCleanup=setTimeout(asyncPostProcessCleanupRows,options.asyncPostRenderCleanupDelay))}function invalidatePostProcessingResults(e){for(var t in postProcessedRows[e])postProcessedRows[e].hasOwnProperty(t)&&(postProcessedRows[e][t]="C");postProcessFromRow=Math.min(postProcessFromRow,e),postProcessToRow=Math.max(postProcessToRow,e),startPostProcessing()}function updateRowPositions(){for(var e in rowsCache)rowsCache[e].rowNode.style.top=getRowTop(e)+"px"}function render(){if(initialized){var e=getVisibleRange(),t=getRenderedRange();cleanupRows(t),lastRenderedScrollLeft!=scrollLeft&&cleanUpAndRenderCells(t),renderRows(t),postProcessFromRow=e.top,postProcessToRow=Math.min(getDataLengthIncludingAddNew()-1,e.bottom),startPostProcessing(),lastRenderedScrollTop=scrollTop,lastRenderedScrollLeft=scrollLeft,h_render=null}}function handleHeaderRowScroll(){var e=$headerRowScroller[0].scrollLeft;e!=$viewport[0].scrollLeft&&($viewport[0].scrollLeft=e)}function handleFooterRowScroll(){var e=$footerRowScroller[0].scrollLeft;e!=$viewport[0].scrollLeft&&($viewport[0].scrollLeft=e)}function handleScroll(){scrollTop=$viewport[0].scrollTop,scrollLeft=$viewport[0].scrollLeft;var e=Math.abs(scrollTop-prevScrollTop),t=Math.abs(scrollLeft-prevScrollLeft);if(t&&(prevScrollLeft=scrollLeft,$headerScroller[0].scrollLeft=scrollLeft,$topPanelScroller[0].scrollLeft=scrollLeft,$headerRowScroller[0].scrollLeft=scrollLeft,options.createFooterRow&&($footerRowScroller[0].scrollLeft=scrollLeft)),e)if(vScrollDir=prevScrollTop<scrollTop?1:-1,prevScrollTop=scrollTop,e<viewportH)scrollTo(scrollTop+offset);else{var o=offset;page=h==viewportH?0:Math.min(n-1,Math.floor(scrollTop*((th-viewportH)/(h-viewportH))*(1/ph))),offset=Math.round(page*cj),o!=offset&&invalidateAllRows()}(t||e)&&(h_render&&clearTimeout(h_render),(Math.abs(lastRenderedScrollTop-scrollTop)>20||Math.abs(lastRenderedScrollLeft-scrollLeft)>20)&&(options.forceSyncScrolling||Math.abs(lastRenderedScrollTop-scrollTop)<viewportH&&Math.abs(lastRenderedScrollLeft-scrollLeft)<viewportW?render():h_render=setTimeout(render,50),trigger(self.onViewportChanged,{grid:self}))),trigger(self.onScroll,{scrollLeft:scrollLeft,scrollTop:scrollTop,grid:self})}function asyncPostProcessRows(){for(var e=getDataLength();postProcessFromRow<=postProcessToRow;){var t=vScrollDir>=0?postProcessFromRow++:postProcessToRow--,o=rowsCache[t];if(o&&!(t>=e)){postProcessedRows[t]||(postProcessedRows[t]={}),ensureCellNodesInRowsCache(t);for(var n in o.cellNodesByColumnIdx)if(o.cellNodesByColumnIdx.hasOwnProperty(n)){n|=0;var r=columns[n],i=postProcessedRows[t][n];if(r.asyncPostRender&&"R"!==i){var s=o.cellNodesByColumnIdx[n];s&&r.asyncPostRender(s,t,getDataItem(t),r,"C"===i),postProcessedRows[t][n]="R"}}return void(h_postrender=setTimeout(asyncPostProcessRows,options.asyncPostRenderDelay))}}}function asyncPostProcessCleanupRows(){if(postProcessedCleanupQueue.length>0){for(var e=postProcessedCleanupQueue[0].groupId;postProcessedCleanupQueue.length>0&&postProcessedCleanupQueue[0].groupId==e;){var t=postProcessedCleanupQueue.shift();if("R"==t.actionType&&(0,_jquery2.default)(t.node).remove(),"C"==t.actionType){var o=columns[t.columnIdx];o.asyncPostRenderCleanup&&t.node&&o.asyncPostRenderCleanup(t.node,t.rowIdx,o)}}h_postrenderCleanup=setTimeout(asyncPostProcessCleanupRows,options.asyncPostRenderCleanupDelay);
-}}function updateCellCssStylesOnRenderedRows(e,t){var o,n,r,i;for(var s in rowsCache){if(i=t&&t[s],r=e&&e[s],i)for(n in i)r&&i[n]==r[n]||(o=getCellNode(s,getColumnIndex(n)),o&&(0,_jquery2.default)(o).removeClass(i[n]));if(r)for(n in r)i&&i[n]==r[n]||(o=getCellNode(s,getColumnIndex(n)),o&&(0,_jquery2.default)(o).addClass(r[n]))}}function addCellCssStyles(e,t){if(cellCssClasses[e])throw"addCellCssStyles: cell CSS hash with key '"+e+"' already exists.";cellCssClasses[e]=t,updateCellCssStylesOnRenderedRows(t,null),trigger(self.onCellCssStylesChanged,{key:e,hash:t,grid:self})}function removeCellCssStyles(e){cellCssClasses[e]&&(updateCellCssStylesOnRenderedRows(null,cellCssClasses[e]),delete cellCssClasses[e],trigger(self.onCellCssStylesChanged,{key:e,hash:null,grid:self}))}function setCellCssStyles(e,t){var o=cellCssClasses[e];cellCssClasses[e]=t,updateCellCssStylesOnRenderedRows(t,o),trigger(self.onCellCssStylesChanged,{key:e,hash:t,grid:self})}function getCellCssStyles(e){return cellCssClasses[e]}function flashCell(e,t,o){if(o=o||100,rowsCache[e]){var n=function e(t){t&&setTimeout(function(){r.queue(function(){r.toggleClass(options.cellFlashingCssClass).dequeue(),e(t-1)})},o)},r=(0,_jquery2.default)(getCellNode(e,t));n(4)}}function handleMouseWheel(e){var t=(0,_jquery2.default)(e.target).closest(".slick-row")[0];t!=rowNodeFromLastMouseWheelEvent&&(zombieRowNodeFromLastMouseWheelEvent&&zombieRowNodeFromLastMouseWheelEvent!=t&&(options.enableAsyncPostRenderCleanup&&zombieRowPostProcessedFromLastMouseWheelEvent?queuePostProcessedRowForCleanup(zombieRowCacheFromLastMouseWheelEvent,zombieRowPostProcessedFromLastMouseWheelEvent):$canvas[0].removeChild(zombieRowNodeFromLastMouseWheelEvent),zombieRowNodeFromLastMouseWheelEvent=null,zombieRowCacheFromLastMouseWheelEvent=null,zombieRowPostProcessedFromLastMouseWheelEvent=null,options.enableAsyncPostRenderCleanup&&startPostProcessingCleanup()),rowNodeFromLastMouseWheelEvent=t)}function handleDragStart(e){var t=_jquery2.default.Event(e.originalEvent.type,e.originalEvent),o=getCellFromEvent(t);if(!o||!cellExists(o.row,o.cell))return!1;var n=trigger(self.onDragStart,e,t);return!!t.isImmediatePropagationStopped()&&n}function handleDrag(e){var t=_jquery2.default.Event(e.originalEvent.type,e.originalEvent);return trigger(self.onDrag,e,t)}function handleDragEnd(e){trigger(self.onDragEnd,e,_jquery2.default.Event("mousedown"))}function handleKeyDown(e){trigger(self.onKeyDown,{row:activeRow,cell:activeCell,grid:self},e);var t=e.isImmediatePropagationStopped(),o=_slick2.default.keyCode;if(!t)if(e.shiftKey||e.altKey||e.ctrlKey)e.which!=o.TAB||!e.shiftKey||e.ctrlKey||e.altKey||(t=navigatePrev());else{if(options.editable&&currentEditor&&currentEditor.keyCaptureList&&currentEditor.keyCaptureList.indexOf(e.which)>-1)return;if(e.which==o.ESCAPE){if(!getEditorLock().isActive())return;cancelEditAndSetFocus()}else e.which==o.PAGE_DOWN?(navigatePageDown(),t=!0):e.which==o.PAGE_UP?(navigatePageUp(),t=!0):e.which==o.LEFT?t=navigateLeft():e.which==o.RIGHT?t=navigateRight():e.which==o.UP?t=navigateUp():e.which==o.DOWN?t=navigateDown():e.which==o.TAB?t=navigateNext():e.which==o.ENTER&&(options.editable&&(currentEditor?activeRow===getDataLength()?navigateDown():commitEditAndSetFocus():getEditorLock().commitCurrentEdit()&&makeActiveCellEditable()),t=!0)}if(t){e.stopPropagation(),e.preventDefault();try{e.originalEvent.keyCode=0}catch(e){}}}function handleClick(e){currentEditor||(e.target!=document.activeElement||(0,_jquery2.default)(e.target).hasClass("slick-cell"))&&setFocus();var t=getCellFromEvent(e);!t||null!==currentEditor&&activeRow==t.row&&activeCell==t.cell||(trigger(self.onClick,{row:t.row,cell:t.cell,grid:self},e),e.isImmediatePropagationStopped()||activeCell==t.cell&&activeRow==t.row||!canCellBeActive(t.row,t.cell)||getEditorLock().isActive()&&!getEditorLock().commitCurrentEdit()||(scrollRowIntoView(t.row,!1),setActiveCellInternal(getCellNode(t.row,t.cell))))}function handleContextMenu(e){var t=(0,_jquery2.default)(e.target).closest(".slick-cell",$canvas);0!==t.length&&(activeCellNode===t[0]&&null!==currentEditor||trigger(self.onContextMenu,{grid:self},e))}function handleDblClick(e){var t=getCellFromEvent(e);!t||null!==currentEditor&&activeRow==t.row&&activeCell==t.cell||(trigger(self.onDblClick,{row:t.row,cell:t.cell,grid:self},e),e.isImmediatePropagationStopped()||options.editable&&gotoCell(t.row,t.cell,!0))}function handleHeaderMouseEnter(e){trigger(self.onHeaderMouseEnter,{column:(0,_jquery2.default)(this).data("column"),grid:self},e)}function handleHeaderMouseLeave(e){trigger(self.onHeaderMouseLeave,{column:(0,_jquery2.default)(this).data("column"),grid:self},e)}function handleHeaderContextMenu(e){var t=(0,_jquery2.default)(e.target).closest(".slick-header-column",".slick-header-columns"),o=t&&t.data("column");trigger(self.onHeaderContextMenu,{column:o,grid:self},e)}function handleHeaderClick(e){var t=(0,_jquery2.default)(e.target).closest(".slick-header-column",".slick-header-columns"),o=t&&t.data("column");o&&trigger(self.onHeaderClick,{column:o,grid:self},e)}function handleMouseEnter(e){trigger(self.onMouseEnter,{grid:self},e)}function handleMouseLeave(e){trigger(self.onMouseLeave,{grid:self},e)}function cellExists(e,t){return!(e<0||e>=getDataLength()||t<0||t>=columns.length)}function getCellFromPoint(e,t){for(var o=getRowFromPosition(t),n=0,r=0,i=0;i<columns.length&&r<e;i++)r+=columns[i].width,n++;return n<0&&(n=0),{row:o,cell:n-1}}function getCellFromNode(e){var t=/l\d+/.exec(e.className);if(!t)throw"getCellFromNode: cannot get cell - "+e.className;return parseInt(t[0].substr(1,t[0].length-1),10)}function getRowFromNode(e){for(var t in rowsCache)if(rowsCache[t].rowNode===e)return 0|t;return null}function getCellFromEvent(e){var t=(0,_jquery2.default)(e.target).closest(".slick-cell",$canvas);if(!t.length)return null;var o=getRowFromNode(t[0].parentNode),n=getCellFromNode(t[0]);return null==o||null==n?null:{row:o,cell:n}}function getCellNodeBox(e,t){if(!cellExists(e,t))return null;for(var o=getRowTop(e),n=o+options.rowHeight-1,r=0,i=0;i<t;i++)r+=columns[i].width;var s=r+columns[t].width;return{top:o,left:r,bottom:n,right:s}}function resetActiveCell(){setActiveCellInternal(null,!1)}function setFocus(){tabbingDirection==-1?$focusSink[0].focus():$focusSink2[0].focus()}function scrollCellIntoView(e,t,o){scrollRowIntoView(e,o);var n=getColspan(e,t),r=columnPosLeft[t],i=columnPosRight[t+(n>1?n-1:0)],s=scrollLeft+viewportW;r<scrollLeft?($viewport.scrollLeft(r),handleScroll(),render()):i>s&&($viewport.scrollLeft(Math.min(r,i-$viewport[0].clientWidth)),handleScroll(),render())}function setActiveCellInternal(e,t){null!==activeCellNode&&(makeActiveCellNormal(),(0,_jquery2.default)(activeCellNode).removeClass("active"),rowsCache[activeRow]&&(0,_jquery2.default)(rowsCache[activeRow].rowNode).removeClass("active"));var o=activeCellNode!==e;activeCellNode=e,null!=activeCellNode?(activeRow=getRowFromNode(activeCellNode.parentNode),activeCell=activePosX=getCellFromNode(activeCellNode),null==t&&(t=activeRow==getDataLength()||options.autoEdit),(0,_jquery2.default)(activeCellNode).addClass("active"),(0,_jquery2.default)(rowsCache[activeRow].rowNode).addClass("active"),options.editable&&t&&isCellPotentiallyEditable(activeRow,activeCell)&&(clearTimeout(h_editorLoader),options.asyncEditorLoading?h_editorLoader=setTimeout(function(){makeActiveCellEditable()},options.asyncEditorLoadDelay):makeActiveCellEditable())):activeRow=activeCell=null,o&&trigger(self.onActiveCellChanged,getActiveCell())}function clearTextSelection(){if(document.selection&&document.selection.empty)try{document.selection.empty()}catch(e){}else if(window.getSelection){var e=window.getSelection();e&&e.removeAllRanges&&e.removeAllRanges()}}function isCellPotentiallyEditable(e,t){var o=getDataLength();return!(e<o&&!getDataItem(e))&&(!(columns[t].cannotTriggerInsert&&e>=o)&&!!getEditor(e,t))}function makeActiveCellNormal(){if(currentEditor){if(trigger(self.onBeforeCellEditorDestroy,{editor:currentEditor,grid:self}),currentEditor.destroy(),currentEditor=null,activeCellNode){var e=getDataItem(activeRow);if((0,_jquery2.default)(activeCellNode).removeClass("editable invalid"),e){var t=columns[activeCell],o=getFormatter(activeRow,t);activeCellNode.innerHTML=o(activeRow,activeCell,getDataItemValueForColumn(e,t),t,e,self),invalidatePostProcessingResults(activeRow)}}navigator.userAgent.toLowerCase().match(/msie/)&&clearTextSelection(),getEditorLock().deactivate(editController)}}function makeActiveCellEditable(e){if(activeCellNode){if(!options.editable)throw"Grid : makeActiveCellEditable : should never get called when options.editable is false";if(clearTimeout(h_editorLoader),isCellPotentiallyEditable(activeRow,activeCell)){var t=columns[activeCell],o=getDataItem(activeRow);if(trigger(self.onBeforeEditCell,{row:activeRow,cell:activeCell,item:o,column:t,grid:self})===!1)return void setFocus();getEditorLock().activate(editController),(0,_jquery2.default)(activeCellNode).addClass("editable");var n=e||getEditor(activeRow,activeCell);e||n.suppressClearOnEdit||(activeCellNode.innerHTML=""),currentEditor=new n({grid:self,gridPosition:absBox($container[0]),position:absBox(activeCellNode),container:activeCellNode,column:t,item:o||{},commitChanges:commitEditAndSetFocus,cancelChanges:cancelEditAndSetFocus}),o&&currentEditor.loadValue(o),serializedEditorValue=currentEditor.serializeValue(),currentEditor.position&&handleActiveCellPositionChange()}}}function commitEditAndSetFocus(){getEditorLock().commitCurrentEdit()&&(setFocus(),options.autoEdit&&navigateDown())}function cancelEditAndSetFocus(){getEditorLock().cancelCurrentEdit()&&setFocus()}function absBox(e){var t={top:e.offsetTop,left:e.offsetLeft,bottom:0,right:0,width:(0,_jquery2.default)(e).outerWidth(),height:(0,_jquery2.default)(e).outerHeight(),visible:!0};t.bottom=t.top+t.height,t.right=t.left+t.width;for(var o=e.offsetParent;(e=e.parentNode)!=document.body&&null!=e;)t.visible&&e.scrollHeight!=e.offsetHeight&&"visible"!=(0,_jquery2.default)(e).css("overflowY")&&(t.visible=t.bottom>e.scrollTop&&t.top<e.scrollTop+e.clientHeight),t.visible&&e.scrollWidth!=e.offsetWidth&&"visible"!=(0,_jquery2.default)(e).css("overflowX")&&(t.visible=t.right>e.scrollLeft&&t.left<e.scrollLeft+e.clientWidth),t.left-=e.scrollLeft,t.top-=e.scrollTop,e===o&&(t.left+=e.offsetLeft,t.top+=e.offsetTop,o=e.offsetParent),t.bottom=t.top+t.height,t.right=t.left+t.width;return t}function getActiveCellPosition(){return absBox(activeCellNode)}function getGridPosition(){return absBox($container[0])}function handleActiveCellPositionChange(){if(activeCellNode&&(trigger(self.onActiveCellPositionChanged,{grid:self}),currentEditor)){var e=getActiveCellPosition();currentEditor.show&&currentEditor.hide&&(e.visible?currentEditor.show():currentEditor.hide()),currentEditor.position&&currentEditor.position(e)}}function getCellEditor(){return currentEditor}function getActiveCell(){return activeCellNode?{row:activeRow,cell:activeCell,grid:self}:null}function getActiveCellNode(){return activeCellNode}function scrollRowIntoView(e,t){var o=e*options.rowHeight,n=(e+1)*options.rowHeight-viewportH+(viewportHasHScroll?scrollbarDimensions.height:0);(e+1)*options.rowHeight>scrollTop+viewportH+offset?(scrollTo(t?o:n),render()):e*options.rowHeight<scrollTop+offset&&(scrollTo(t?n:o),render())}function scrollRowToTop(e){scrollTo(e*options.rowHeight),render()}function scrollPage(e){var t=e*numVisibleRows;if(scrollTo((getRowFromPosition(scrollTop)+t)*options.rowHeight),render(),options.enableCellNavigation&&null!=activeRow){var o=activeRow+t,n=getDataLengthIncludingAddNew();o>=n&&(o=n-1),o<0&&(o=0);for(var r=0,i=null,s=activePosX;r<=activePosX;)canCellBeActive(o,r)&&(i=r),r+=getColspan(o,r);null!==i?(setActiveCellInternal(getCellNode(o,i)),activePosX=s):resetActiveCell()}}function navigatePageDown(){scrollPage(1)}function navigatePageUp(){scrollPage(-1)}function getColspan(e,t){var o=data.getItemMetadata&&data.getItemMetadata(e);if(!o||!o.columns)return 1;var n=o.columns[columns[t].id]||o.columns[t],r=n&&n.colspan;return r="*"===r?columns.length-t:r||1}function findFirstFocusableCell(e){for(var t=0;t<columns.length;){if(canCellBeActive(e,t))return t;t+=getColspan(e,t)}return null}function findLastFocusableCell(e){for(var t=0,o=null;t<columns.length;)canCellBeActive(e,t)&&(o=t),t+=getColspan(e,t);return o}function gotoRight(e,t,o){if(t>=columns.length)return null;do t+=getColspan(e,t);while(t<columns.length&&!canCellBeActive(e,t));return t<columns.length?{row:e,cell:t,posX:t}:null}function gotoLeft(e,t,o){if(t<=0)return null;var n=findFirstFocusableCell(e);if(null===n||n>=t)return null;for(var r,i={row:e,cell:n,posX:n};;){if(r=gotoRight(i.row,i.cell,i.posX),!r)return null;if(r.cell>=t)return i;i=r}}function gotoDown(e,t,o){for(var n,r=getDataLengthIncludingAddNew();;){if(++e>=r)return null;for(n=t=0;t<=o;)n=t,t+=getColspan(e,t);if(canCellBeActive(e,n))return{row:e,cell:n,posX:o}}}function gotoUp(e,t,o){for(var n;;){if(--e<0)return null;for(n=t=0;t<=o;)n=t,t+=getColspan(e,t);if(canCellBeActive(e,n))return{row:e,cell:n,posX:o}}}function gotoNext(e,t,o){if(null==e&&null==t&&(e=t=o=0,canCellBeActive(e,t)))return{row:e,cell:t,posX:t};var n=gotoRight(e,t,o);if(n)return n;for(var r=null,i=getDataLengthIncludingAddNew();++e<i;)if(r=findFirstFocusableCell(e),null!==r)return{row:e,cell:r,posX:r};return null}function gotoPrev(e,t,o){if(null==e&&null==t&&(e=getDataLengthIncludingAddNew()-1,t=o=columns.length-1,canCellBeActive(e,t)))return{row:e,cell:t,posX:t};for(var n,r;!n&&!(n=gotoLeft(e,t,o));){if(--e<0)return null;t=0,r=findLastFocusableCell(e),null!==r&&(n={row:e,cell:r,posX:r})}return n}function navigateRight(){return navigate("right")}function navigateLeft(){return navigate("left")}function navigateDown(){return navigate("down")}function navigateUp(){return navigate("up")}function navigateNext(){return navigate("next")}function navigatePrev(){return navigate("prev")}function navigate(e){if(!options.enableCellNavigation)return!1;if(!activeCellNode&&"prev"!=e&&"next"!=e)return!1;if(!getEditorLock().commitCurrentEdit())return!0;setFocus();var t={up:-1,down:1,left:-1,right:1,prev:-1,next:1};tabbingDirection=t[e];var o={up:gotoUp,down:gotoDown,left:gotoLeft,right:gotoRight,prev:gotoPrev,next:gotoNext},n=o[e],r=n(activeRow,activeCell,activePosX);if(r){var i=r.row==getDataLength();return scrollCellIntoView(r.row,r.cell,!i),setActiveCellInternal(getCellNode(r.row,r.cell)),activePosX=r.posX,!0}return setActiveCellInternal(getCellNode(activeRow,activeCell)),!1}function getCellNode(e,t){return rowsCache[e]?(ensureCellNodesInRowsCache(e),rowsCache[e].cellNodesByColumnIdx[t]):null}function setActiveCell(e,t){initialized&&(e>getDataLength()||e<0||t>=columns.length||t<0||options.enableCellNavigation&&(scrollCellIntoView(e,t,!1),setActiveCellInternal(getCellNode(e,t),!1)))}function canCellBeActive(e,t){if(!options.enableCellNavigation||e>=getDataLengthIncludingAddNew()||e<0||t>=columns.length||t<0)return!1;var o=data.getItemMetadata&&data.getItemMetadata(e);if(o&&"boolean"==typeof o.focusable)return o.focusable;var n=o&&o.columns;return n&&n[columns[t].id]&&"boolean"==typeof n[columns[t].id].focusable?n[columns[t].id].focusable:n&&n[t]&&"boolean"==typeof n[t].focusable?n[t].focusable:columns[t].focusable}function 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n={row:activeRow,cell:activeCell,editor:currentEditor,serializedValue:currentEditor.serializeValue(),prevSerializedValue:serializedEditorValue,execute:function(){this.editor.applyValue(e,this.serializedValue),updateRow(this.row),trigger(self.onCellChange,{row:activeRow,cell:activeCell,item:e,grid:self})},undo:function(){this.editor.applyValue(e,this.prevSerializedValue),updateRow(this.row),trigger(self.onCellChange,{row:activeRow,cell:activeCell,item:e,grid:self})}};options.editCommandHandler?(makeActiveCellNormal(),options.editCommandHandler(e,t,n)):(n.execute(),makeActiveCellNormal())}else{var 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e="";e+="\ncounter_rows_rendered:  "+counter_rows_rendered,e+="\ncounter_rows_removed:  "+counter_rows_removed,e+="\nrenderedRows:  "+renderedRows,e+="\nnumVisibleRows:  "+numVisibleRows,e+="\nmaxSupportedCssHeight:  "+maxSupportedCssHeight,e+="\nn(umber of pages):  "+n,e+="\n(current) page:  "+page,e+="\npage height (ph):  "+ph,e+="\nvScrollDir:  "+vScrollDir,alert(e)},this.eval=function(expr){return eval(expr)},_jquery2.default.extend(this,{slickGridVersion:"2.2.4",onScroll:new _slick2.default.Event,onSort:new _slick2.default.Event,onHeaderMouseEnter:new _slick2.default.Event,onHeaderMouseLeave:new _slick2.default.Event,onHeaderContextMenu:new _slick2.default.Event,onHeaderClick:new _slick2.default.Event,onHeaderCellRendered:new _slick2.default.Event,onBeforeHeaderCellDestroy:new _slick2.default.Event,onHeaderRowCellRendered:new _slick2.default.Event,onFooterRowCellRendered:new _slick2.default.Event,onBeforeHeaderRowCellDestroy:new 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_slick2.default.Event,onCellCssStylesChanged:new _slick2.default.Event,registerPlugin:registerPlugin,unregisterPlugin:unregisterPlugin,getColumns:getColumns,setColumns:setColumns,getColumnIndex:getColumnIndex,updateColumnHeader:updateColumnHeader,setSortColumn:setSortColumn,setSortColumns:setSortColumns,getSortColumns:getSortColumns,autosizeColumns:autosizeColumns,getOptions:getOptions,setOptions:setOptions,getData:getData,getDataLength:getDataLength,getDataItem:getDataItem,setData:setData,getSelectionModel:getSelectionModel,setSelectionModel:setSelectionModel,getSelectedRows:getSelectedRows,setSelectedRows:setSelectedRows,getContainerNode:getContainerNode,render:render,invalidate:invalidate,invalidateRow:invalidateRow,invalidateRows:invalidateRows,invalidateAllRows:invalidateAllRows,updateCell:updateCell,updateRow:updateRow,getViewport:getVisibleRange,getRenderedRange:getRenderedRange,resizeCanvas:resizeCanvas,updateRowCount:updateRowCount,scrollRowIntoView:scrollRowIntoView,scrollRowToTop:scrollRowToTop,scrollCellIntoView:scrollCellIntoView,getCanvasNode:getCanvasNode,focus:setFocus,getCellFromPoint:getCellFromPoint,getCellFromEvent:getCellFromEvent,getActiveCell:getActiveCell,setActiveCell:setActiveCell,getActiveCellNode:getActiveCellNode,getActiveCellPosition:getActiveCellPosition,resetActiveCell:resetActiveCell,editActiveCell:makeActiveCellEditable,getCellEditor:getCellEditor,getCellNode:getCellNode,getCellNodeBox:getCellNodeBox,canCellBeSelected:canCellBeSelected,canCellBeActive:canCellBeActive,navigatePrev:navigatePrev,navigateNext:navigateNext,navigateUp:navigateUp,navigateDown:navigateDown,navigateLeft:navigateLeft,navigateRight:navigateRight,navigatePageUp:navigatePageUp,navigatePageDown:navigatePageDown,gotoCell:gotoCell,getTopPanel:getTopPanel,setTopPanelVisibility:setTopPanelVisibility,setHeaderRowVisibility:setHeaderRowVisibility,getHeaderRow:getHeaderRow,getHeaderRowColumn:getHeaderRowColumn,setFooterRowVisibility:setFooterRowVisibility,getFooterRow:getFooterRow,getFooterRowColumn:getFooterRowColumn,getGridPosition:getGridPosition,flashCell:flashCell,addCellCssStyles:addCellCssStyles,setCellCssStyles:setCellCssStyles,removeCellCssStyles:removeCellCssStyles,getCellCssStyles:getCellCssStyles,init:finishInitialization,destroy:destroy,getEditorLock:getEditorLock,getEditController:getEditController}),init()}Object.defineProperty(exports,"__esModule",{value:!0});var _jquery=__webpack_require__(2),_jquery2=_interopRequireDefault(_jquery),_interact=__webpack_require__(5),_interact2=_interopRequireDefault(_interact),_slick=__webpack_require__(1),_slick2=_interopRequireDefault(_slick);_slick2.default.Grid=SlickGrid,exports.default=SlickGrid;var scrollbarDimensions,maxSupportedCssHeight},function(e,t,o){"use strict";function n(e){return e&&e.__esModule?e:{default:e}}function r(e){function t(t,o,n,r,i){if(!e.enableExpandCollapse)return i.title;var s=15*i.level+"px";return"<span class='"+e.toggleCssClass+" "+(i.collapsed?e.toggleCollapsedCssClass:e.toggleExpandedCssClass)+"' style='margin-left:"+s+"'></span><span class='"+e.groupTitleCssClass+"' level='"+i.level+"'>"+i.title+"</span>"}function o(e,t,o,n,r){return n.groupTotalsFormatter&&n.groupTotalsFormatter(r,n)||""}function n(e){u=e,u.onClick.subscribe(i),u.onKeyDown.subscribe(l)}function r(){u&&(u.onClick.unsubscribe(i),u.onKeyDown.unsubscribe(l))}function i(t,o){var n=this.getDataItem(o.row);if(n&&n instanceof a.default.Group&&(0,s.default)(t.target).hasClass(e.toggleCssClass)){var r=u.getRenderedRange();this.getData().setRefreshHints({ignoreDiffsBefore:r.top,ignoreDiffsAfter:r.bottom+1}),n.collapsed?this.getData().expandGroup(n.groupingKey):this.getData().collapseGroup(n.groupingKey),t.stopImmediatePropagation(),t.preventDefault()}}function l(t){if(e.enableExpandCollapse&&t.which==a.default.keyCode.SPACE){var o=this.getActiveCell();if(o){var n=this.getDataItem(o.row);if(n&&n instanceof a.default.Group){var r=u.getRenderedRange();this.getData().setRefreshHints({ignoreDiffsBefore:r.top,ignoreDiffsAfter:r.bottom+1}),n.collapsed?this.getData().expandGroup(n.groupingKey):this.getData().collapseGroup(n.groupingKey),t.stopImmediatePropagation(),t.preventDefault()}}}}function c(t){return{selectable:!1,focusable:e.groupFocusable,cssClasses:e.groupCssClass,columns:{0:{colspan:"*",formatter:e.groupFormatter,editor:null}}}}function d(t){return{selectable:!1,focusable:e.totalsFocusable,cssClasses:e.totalsCssClass,formatter:e.totalsFormatter,editor:null}}var u=void 0,h={groupCssClass:"slick-group",groupTitleCssClass:"slick-group-title",totalsCssClass:"slick-group-totals",groupFocusable:!0,totalsFocusable:!1,toggleCssClass:"slick-group-toggle",toggleExpandedCssClass:"expanded",toggleCollapsedCssClass:"collapsed",enableExpandCollapse:!0,groupFormatter:t,totalsFormatter:o};return e=s.default.extend(!0,{},h,e),{init:n,destroy:r,getGroupRowMetadata:c,getTotalsRowMetadata:d}}Object.defineProperty(t,"__esModule",{value:!0});var i=o(2),s=n(i),l=o(1),a=n(l);t.default=r},function(e,t){e.exports=require("flatpickr")}]));
+$container.bind("resize.slickgrid",resizeCanvas),$viewport.bind("scroll",handleScroll),$headerScroller.bind("contextmenu",handleHeaderContextMenu).bind("click",handleHeaderClick).delegate(".slick-header-column","mouseenter",handleHeaderMouseEnter).delegate(".slick-header-column","mouseleave",handleHeaderMouseLeave),$headerRowScroller.bind("scroll",handleHeaderRowScroll),options.createFooterRow&&$footerRowScroller.bind("scroll",handleFooterRowScroll),$focusSink.add($focusSink2).bind("keydown",handleKeyDown),$canvas.bind("keydown",handleKeyDown).bind("click",handleClick).bind("dblclick",handleDblClick).bind("contextmenu",handleContextMenu).delegate(".slick-cell","mouseenter",handleMouseEnter).delegate(".slick-cell","mouseleave",handleMouseLeave),(0,_interact2.default)($canvas[0]).allowFrom("div.slick-cell").draggable({onmove:handleDrag,onstart:handleDragStart,onend:handleDragEnd}).styleCursor(!1),navigator.userAgent.toLowerCase().match(/webkit/)&&navigator.userAgent.toLowerCase().match(/macintosh/)&&$canvas.bind("mousewheel",handleMouseWheel),restoreCssFromHiddenInit())}function cacheCssForHiddenInit(){$hiddenParents=$container.parents().addBack().not(":visible"),$hiddenParents.each(function(){var e={};for(var t in cssShow)e[t]=this.style[t],this.style[t]=cssShow[t];oldProps.push(e)})}function restoreCssFromHiddenInit(){$hiddenParents.each(function(e){var t=oldProps[e];for(var o in cssShow)this.style[o]=t[o]})}function registerPlugin(e){plugins.unshift(e),e.init(self)}function unregisterPlugin(e){for(var t=plugins.length;t>=0;t--)if(plugins[t]===e){plugins[t].destroy&&plugins[t].destroy(),plugins.splice(t,1);break}}function setSelectionModel(e){selectionModel&&(selectionModel.onSelectedRangesChanged.unsubscribe(handleSelectedRangesChanged),selectionModel.destroy&&selectionModel.destroy()),selectionModel=e,selectionModel&&(selectionModel.init(self),selectionModel.onSelectedRangesChanged.subscribe(handleSelectedRangesChanged))}function getSelectionModel(){return selectionModel}function getCanvasNode(){return $canvas[0]}function measureScrollbar(){var e=(0,_jquery2.default)("<div style='position:absolute; top:-10000px; left:-10000px; width:100px; height:100px; overflow:scroll;'></div>").appendTo("body"),t={width:e.width()-e[0].clientWidth,height:e.height()-e[0].clientHeight};return e.remove(),t}function getHeadersWidth(){for(var e=0,t=0,o=columns.length;t<o;t++){var n=columns[t].width;e+=n}return e+=scrollbarDimensions.width,Math.max(e,viewportW)+1e3}function getCanvasWidth(){for(var e=viewportHasVScroll?viewportW-scrollbarDimensions.width:viewportW,t=0,o=columns.length;o--;)t+=columns[o].width;return options.fullWidthRows?Math.max(t,e):t}function updateCanvasWidth(e){var t=canvasWidth;canvasWidth=getCanvasWidth(),canvasWidth!=t&&($canvas.width(canvasWidth),$headerRow.width(canvasWidth),options.createFooterRow&&$footerRow.width(canvasWidth),$headers.width(getHeadersWidth()),viewportHasHScroll=canvasWidth>viewportW-scrollbarDimensions.width);var o=canvasWidth+(viewportHasVScroll?scrollbarDimensions.width:0);$headerRowSpacer.width(o),options.createFooterRow&&$footerRowSpacer.width(o),(canvasWidth!=t||e)&&applyColumnWidths()}function disableSelection(e){e&&e.jquery&&e.attr("unselectable","on").css("MozUserSelect","none").bind("selectstart.ui",function(){return!1})}function getMaxSupportedCssHeight(){for(var e=1e6,t=navigator.userAgent.toLowerCase().match(/firefox/)?6e6:1e9,o=(0,_jquery2.default)("<div style='display:none' />").appendTo(document.body);;){var n=2*e;if(o.css("height",n),n>t||o.height()!==n)break;e=n}return o.remove(),e}function bindAncestorScrollEvents(){for(var e=$canvas[0];(e=e.parentNode)!=document.body&&null!=e;)if(e==$viewport[0]||e.scrollWidth!=e.clientWidth||e.scrollHeight!=e.clientHeight){var t=(0,_jquery2.default)(e);$boundAncestors=$boundAncestors?$boundAncestors.add(t):t,t.bind("scroll."+uid,handleActiveCellPositionChange)}}function unbindAncestorScrollEvents(){$boundAncestors&&($boundAncestors.unbind("scroll."+uid),$boundAncestors=null)}function updateColumnHeader(e,t,o){if(initialized){var n=getColumnIndex(e);if(null!=n){var r=columns[n],i=$headers.children().eq(n);i&&(void 0!==t&&(columns[n].name=t),void 0!==o&&(columns[n].toolTip=o),trigger(self.onBeforeHeaderCellDestroy,{node:i[0],column:r,grid:self}),i.attr("title",o||"").children().eq(0).html(t),trigger(self.onHeaderCellRendered,{node:i[0],column:r,grid:self}))}}}function getHeaderRow(){return $headerRow[0]}function getFooterRow(){return $footerRow[0]}function getHeaderRowColumn(e){var t=getColumnIndex(e),o=$headerRow.children().eq(t);return o&&o[0]}function getFooterRowColumn(e){var t=getColumnIndex(e),o=$footerRow.children().eq(t);return o&&o[0]}function createColumnHeaders(){function e(){(0,_jquery2.default)(this).addClass("ui-state-hover")}function t(){(0,_jquery2.default)(this).removeClass("ui-state-hover")}$headers.find(".slick-header-column").each(function(){var e=(0,_jquery2.default)(this).data("column");e&&trigger(self.onBeforeHeaderCellDestroy,{node:this,column:e,grid:self})}),$headers.empty(),$headers.width(getHeadersWidth()),$headerRow.find(".slick-headerrow-column").each(function(){var e=(0,_jquery2.default)(this).data("column");e&&trigger(self.onBeforeHeaderRowCellDestroy,{node:this,column:e,grid:self})}),$headerRow.empty(),options.createFooterRow&&($footerRow.find(".slick-footerrow-column").each(function(){var e=(0,_jquery2.default)(this).data("column");e&&trigger(self.onBeforeFooterRowCellDestroy,{node:this,column:e})}),$footerRow.empty());for(var o=0;o<columns.length;o++){var n=columns[o],r=(0,_jquery2.default)("<div class='ui-state-default slick-header-column' />").html("<span class='slick-column-name'>"+n.name+"</span>").width(n.width-headerColumnWidthDiff).attr("id",""+uid+n.id).attr("title",n.toolTip||"").data("column",n).addClass(n.headerCssClass||"").appendTo($headers);if((options.enableColumnReorder||n.sortable)&&r.on("mouseenter",e).on("mouseleave",t),n.sortable&&(r.addClass("slick-header-sortable"),r.append("<span class='slick-sort-indicator' />")),trigger(self.onHeaderCellRendered,{node:r[0],column:n,grid:self}),options.showHeaderRow){var i=(0,_jquery2.default)("<div class='ui-state-default slick-headerrow-column l"+o+" r"+o+"'></div>").data("column",n).appendTo($headerRow);trigger(self.onHeaderRowCellRendered,{node:i[0],column:n,grid:self})}if(options.createFooterRow&&options.showFooterRow){var s=(0,_jquery2.default)("<div class='ui-state-default slick-footerrow-column l"+o+" r"+o+"'></div>").data("column",n).appendTo($footerRow);trigger(self.onFooterRowCellRendered,{node:s[0],column:n})}}setSortColumns(sortColumns),setupColumnResize(),options.enableColumnReorder&&setupColumnReorder()}function setupColumnSort(){$headers.click(function(e){if(e.metaKey=e.metaKey||e.ctrlKey,!(0,_jquery2.default)(e.target).hasClass("slick-resizable-handle")){var t=(0,_jquery2.default)(e.target).closest(".slick-header-column");if(t.length){var o=t.data("column");if(o.sortable){if(!getEditorLock().commitCurrentEdit())return;for(var n=null,r=0;r<sortColumns.length;r++)if(sortColumns[r].columnId==o.id){n=sortColumns[r],n.sortAsc=!n.sortAsc;break}e.metaKey&&options.multiColumnSort?n&&sortColumns.splice(r,1):((e.shiftKey||e.metaKey)&&options.multiColumnSort||(sortColumns=[]),n?0==sortColumns.length&&sortColumns.push(n):(n={columnId:o.id,sortAsc:o.defaultSortAsc},sortColumns.push(n))),setSortColumns(sortColumns),options.multiColumnSort?trigger(self.onSort,{multiColumnSort:!0,sortCols:_jquery2.default.map(sortColumns,function(e){return{sortCol:columns[getColumnIndex(e.columnId)],sortAsc:e.sortAsc}}),grid:self},e):trigger(self.onSort,{multiColumnSort:!1,sortCol:o,sortAsc:n.sortAsc,grid:self},e)}}}})}function setupColumnReorder(){var e=0,t=0,o=document.createElement("div");o.className="interact-placeholder",(0,_interact2.default)(".slick-header-column").ignoreFrom(".slick-resizable-handle").draggable({inertia:!0,restrict:{restriction:"parent",endOnly:!0,elementRect:{top:0,left:0,bottom:0,right:0}},autoScroll:!0,axis:"x",onstart:function(n){e=0,t=n.target.offsetWidth,$headers.find(".slick-header-column").each(function(e){(0,_jquery2.default)(this).data("index",e)}),o.style.height=n.target.offsetHeight+"px",o.style.width=t+"px",(0,_jquery2.default)(n.target).after(o).css({position:"absolute",zIndex:1e3,marginLeft:(0,_jquery2.default)(n.target).position().left})},onmove:function(t){e+=t.dx,t.target.style.transform="translate3d("+e+"px, -3px, 100px)"},onend:function(n){e=0,t=0,(0,_jquery2.default)(n.target).css({position:"relative",zIndex:"",marginLeft:0,transform:"none"}),o.parentNode.removeChild(o);var r=[];$headers.find(".slick-header-column").each(function(e){r.push(columns[(0,_jquery2.default)(this).data("index")]),(0,_jquery2.default)(this).removeData("index")}),setColumns(r),trigger(self.onColumnsReordered,{grid:self}),setupColumnResize()}}).dropzone({accept:".slick-header-column",ondragenter:function(e){e.target.classList.add("interact-drop-active"),e.relatedTarget.classList.add("interact-can-drop")},ondragleave:function(e){e.target.classList.remove("interact-drop-active"),e.relatedTarget.classList.remove("interact-can-drop")},ondrop:function(t){t.target.classList.remove("interact-drop-active"),t.relatedTarget.classList.remove("interact-can-drop"),(0,_jquery2.default)(t.target)[e>0?"after":"before"](t.relatedTarget)}}).styleCursor(!1)}function setupColumnResize(){var e,t,o,n;t=$headers.children(),t.find(".slick-resizable-handle").remove(),t.each(function(e,t){columns[e].resizable&&(void 0===o&&(o=e),n=e)}),void 0!==o&&t.each(function(t,r){if(!(t<o||options.forceFitColumns&&t>=n)){e=(0,_jquery2.default)(r);var i=(0,_jquery2.default)("<div class='slick-resizable-handle' />");if(i.appendTo(r),!e.data("resizable")){var s=columns[t];s.resizable&&(e.data("resizable",!0),(0,_interact2.default)(r).resizable({preserveAspectRatio:!1,edges:{left:!0,right:!0,bottom:!1,top:!1}}).on("resizestart",function(e){return!!getEditorLock().commitCurrentEdit()&&(s.previousWidth=e.rect.width,void e.target.classList.add("slick-header-column-active"))}).on("resizemove",function(e){var t=e.dx,o=s.width+=t;s.minWidth>0&&s.minWidth>o?o=s.minWidth:s.maxWidth>0&&s.maxWidth<o&&(o=s.maxWidth),s.width=o,options.forceFitColumns&&autosizeColumns(),applyColumnHeaderWidths(),options.syncColumnCellResize&&applyColumnWidths()}).on("resizeend",function(e){e.target.classList.remove("slick-header-column-active"),invalidateAllRows(),updateCanvasWidth(!0),render(),trigger(self.onColumnsResized,{grid:self})}))}}})}function getVBoxDelta(e){var t=["borderTopWidth","borderBottomWidth","paddingTop","paddingBottom"],o=0;return _jquery2.default.each(t,function(t,n){o+=parseFloat(e.css(n))||0}),o}function measureCellPaddingAndBorder(){var e,t=["borderLeftWidth","borderRightWidth","paddingLeft","paddingRight"],o=["borderTopWidth","borderBottomWidth","paddingTop","paddingBottom"],n=_jquery2.default.fn.jquery.split(".");jQueryNewWidthBehaviour=1==n[0]&&n[1]>=8||n[0]>=2,e=(0,_jquery2.default)("<div class='ui-state-default slick-header-column' style='visibility:hidden'>-</div>").appendTo($headers),headerColumnWidthDiff=headerColumnHeightDiff=0,"border-box"!=e.css("box-sizing")&&"border-box"!=e.css("-moz-box-sizing")&&"border-box"!=e.css("-webkit-box-sizing")&&(_jquery2.default.each(t,function(t,o){headerColumnWidthDiff+=parseFloat(e.css(o))||0}),_jquery2.default.each(o,function(t,o){headerColumnHeightDiff+=parseFloat(e.css(o))||0})),e.remove();var r=(0,_jquery2.default)("<div class='slick-row' />").appendTo($canvas);e=(0,_jquery2.default)("<div class='slick-cell' id='' style='visibility:hidden'>-</div>").appendTo(r),cellWidthDiff=cellHeightDiff=0,"border-box"!=e.css("box-sizing")&&"border-box"!=e.css("-moz-box-sizing")&&"border-box"!=e.css("-webkit-box-sizing")&&(_jquery2.default.each(t,function(t,o){cellWidthDiff+=parseFloat(e.css(o))||0}),_jquery2.default.each(o,function(t,o){cellHeightDiff+=parseFloat(e.css(o))||0})),r.remove(),absoluteColumnMinWidth=Math.max(headerColumnWidthDiff,cellWidthDiff)}function createCssRules(){$style=(0,_jquery2.default)("<style type='text/css' rel='stylesheet' />").appendTo((0,_jquery2.default)("head"));var e=options.rowHeight-cellHeightDiff;$style[0].styleSheet?$style[0].styleSheet.cssText="":$style[0].appendChild(document.createTextNode(""));var t=$style[0].sheet,o=0;addCSSRule(t,"."+uid+" .slick-header-column","left: 0;",o++),addCSSRule(t,"."+uid+" .slick-top-panel","height:"+options.topPanelHeight+"px;",o++),addCSSRule(t,"."+uid+" .slick-headerrow-columns","height:"+options.headerRowHeight+"px;",o++),addCSSRule(t,"."+uid+" .slick-cell","height:"+e+"px;",o++),addCSSRule(t,"."+uid+" .slick-row","height:"+options.rowHeight+"px;",o++);for(var n=0;n<columns.length;n++)addCSSRule(t,"."+uid+" .l"+n,"",o++),addCSSRule(t,"."+uid+" .r"+n,"",o++)}function addCSSRule(e,t,o,n){e.insertRule?e.insertRule(t+"{"+o+"}",n):e.addRule(t,o,n)}function getColumnCssRules(e){if(!stylesheet){for(var t=document.styleSheets,o=0;o<t.length;o++)if((t[o].ownerNode||t[o].owningElement)==$style[0]){stylesheet=t[o];break}if(!stylesheet)throw new Error("Cannot find stylesheet.");columnCssRulesL=[],columnCssRulesR=[];for(var n,r,i=stylesheet.cssRules||stylesheet.rules,o=0;o<i.length;o++){var s=i[o].selectorText;(n=/\.l\d+/.exec(s))?(r=parseInt(n[0].substr(2,n[0].length-2),10),columnCssRulesL[r]=i[o]):(n=/\.r\d+/.exec(s))&&(r=parseInt(n[0].substr(2,n[0].length-2),10),columnCssRulesR[r]=i[o])}}return{left:columnCssRulesL[e],right:columnCssRulesR[e]}}function removeCssRules(){$style.remove(),stylesheet=null}function destroy(){getEditorLock().cancelCurrentEdit(),trigger(self.onBeforeDestroy,{grid:self});for(var e=plugins.length;e--;)unregisterPlugin(plugins[e]);unbindAncestorScrollEvents(),$container.unbind(".slickgrid"),removeCssRules(),$container.empty().removeClass(uid)}function trigger(e,t,o){return o=o||new _slick2.default.EventData,t=t||{},t.grid=self,e.notify(t,o,self)}function getEditorLock(){return options.editorLock}function getEditController(){return editController}function getColumnIndex(e){return columnsById[e]}function autosizeColumns(){var e,t,o,n=[],r=0,i=0,s=viewportHasVScroll?viewportW-scrollbarDimensions.width:viewportW;for(e=0;e<columns.length;e++)t=columns[e],n.push(t.width),i+=t.width,t.resizable&&(r+=t.width-Math.max(t.minWidth,absoluteColumnMinWidth));for(o=i;i>s&&r;){var l=(i-s)/r;for(e=0;e<columns.length&&i>s;e++){t=columns[e];var a=n[e];if(!(!t.resizable||a<=t.minWidth||a<=absoluteColumnMinWidth)){var c=Math.max(t.minWidth,absoluteColumnMinWidth),d=Math.floor(l*(a-c))||1;d=Math.min(d,a-c),i-=d,r-=d,n[e]-=d}}if(o<=i)break;o=i}for(o=i;i<s;){var u=s/i;for(e=0;e<columns.length&&i<s;e++){t=columns[e];var h,p=n[e];h=!t.resizable||t.maxWidth<=p?0:Math.min(Math.floor(u*p)-p,t.maxWidth-p||1e6)||1,i+=h,n[e]+=i<=s?h:0}if(o>=i)break;o=i}var f=!1;for(e=0;e<columns.length;e++)columns[e].rerenderOnResize&&columns[e].width!=n[e]&&(f=!0),columns[e].width=n[e];applyColumnHeaderWidths(),updateCanvasWidth(!0),f&&(invalidateAllRows(),render())}function applyColumnHeaderWidths(){if(initialized){for(var e,t=0,o=$headers.children("[id]"),n=o.length;t<n;t++)e=(0,_jquery2.default)(o[t]),jQueryNewWidthBehaviour?e.outerWidth()!==columns[t].width&&e.outerWidth(columns[t].width):e.width()!==columns[t].width-headerColumnWidthDiff&&e.width(columns[t].width-headerColumnWidthDiff);updateColumnCaches()}}function applyColumnWidths(){for(var e,t,o=0,n=0;n<columns.length;n++)e=columns[n].width,t=getColumnCssRules(n),t.left.style.left=o+"px",t.right.style.right=canvasWidth-o-e+"px",o+=columns[n].width}function setSortColumn(e,t){setSortColumns([{columnId:e,sortAsc:t}])}function setSortColumns(e){sortColumns=e;var t=$headers.children();t.removeClass("slick-header-column-sorted").find(".slick-sort-indicator").removeClass("slick-sort-indicator-asc slick-sort-indicator-desc"),_jquery2.default.each(sortColumns,function(e,o){null==o.sortAsc&&(o.sortAsc=!0);var n=getColumnIndex(o.columnId);null!=n&&t.eq(n).addClass("slick-header-column-sorted").find(".slick-sort-indicator").addClass(o.sortAsc?"slick-sort-indicator-asc":"slick-sort-indicator-desc")})}function getSortColumns(){return sortColumns}function handleSelectedRangesChanged(e,t){selectedRows=[];for(var o={},n=0;n<t.length;n++)for(var r=t[n].fromRow;r<=t[n].toRow;r++){o[r]||(selectedRows.push(r),o[r]={});for(var i=t[n].fromCell;i<=t[n].toCell;i++)canCellBeSelected(r,i)&&(o[r][columns[i].id]=options.selectedCellCssClass)}setCellCssStyles(options.selectedCellCssClass,o),trigger(self.onSelectedRowsChanged,{rows:getSelectedRows(),grid:self},e)}function getColumns(){return columns}function updateColumnCaches(){columnPosLeft=[],columnPosRight=[];for(var e=0,t=0,o=columns.length;t<o;t++)columnPosLeft[t]=e,columnPosRight[t]=e+columns[t].width,e+=columns[t].width}function setColumns(e){columns=e,columnsById={};for(var t=0;t<columns.length;t++){var o=columns[t]=_jquery2.default.extend({},columnDefaults,columns[t]);columnsById[o.id]=t,o.minWidth&&o.width<o.minWidth&&(o.width=o.minWidth),o.maxWidth&&o.width>o.maxWidth&&(o.width=o.maxWidth)}updateColumnCaches(),initialized&&(invalidateAllRows(),createColumnHeaders(),removeCssRules(),createCssRules(),resizeCanvas(),applyColumnWidths(),handleScroll())}function getOptions(){return options}function setOptions(e){getEditorLock().commitCurrentEdit()&&(makeActiveCellNormal(),options.enableAddRow!==e.enableAddRow&&invalidateRow(getDataLength()),options=_jquery2.default.extend(options,e),validateAndEnforceOptions(),$viewport.css("overflow-y",options.autoHeight?"hidden":"auto"),render())}function validateAndEnforceOptions(){options.autoHeight&&(options.leaveSpaceForNewRows=!1)}function setData(e,t){data=e,invalidateAllRows(),updateRowCount(),t&&scrollTo(0)}function getData(){return data}function getDataLength(){return data.getLength?data.getLength():data.length}function getDataLengthIncludingAddNew(){return getDataLength()+(options.enableAddRow?1:0)}function getDataItem(e){return data.getItem?data.getItem(e):data[e]}function getTopPanel(){return $topPanel[0]}function setTopPanelVisibility(e){options.showTopPanel!=e&&(options.showTopPanel=e,e?$topPanelScroller.slideDown("fast",resizeCanvas):$topPanelScroller.slideUp("fast",resizeCanvas))}function setHeaderRowVisibility(e){options.showHeaderRow!=e&&(options.showHeaderRow=e,e?$headerRowScroller.slideDown("fast",resizeCanvas):$headerRowScroller.slideUp("fast",resizeCanvas))}function setFooterRowVisibility(e){options.showFooterRow!=e&&(options.showFooterRow=e,e?$footerRowScroller.slideDown("fast",resizeCanvas):$footerRowScroller.slideUp("fast",resizeCanvas))}function getContainerNode(){return $container.get(0)}function getRowTop(e){return options.rowHeight*e-offset}function getRowFromPosition(e){return Math.floor((e+offset)/options.rowHeight)}function scrollTo(e){e=Math.max(e,0),e=Math.min(e,th-viewportH+(viewportHasHScroll?scrollbarDimensions.height:0));var t=offset;page=Math.min(n-1,Math.floor(e/ph)),offset=Math.round(page*cj);var o=e-offset;if(offset!=t){var r=getVisibleRange(o);cleanupRows(r),updateRowPositions()}prevScrollTop!=o&&(vScrollDir=prevScrollTop+t<o+offset?1:-1,$viewport[0].scrollTop=lastRenderedScrollTop=scrollTop=prevScrollTop=o,trigger(self.onViewportChanged,{grid:self}))}function defaultFormatter(e,t,o,n,r){return null==o?"":(o+"").replace(/&/g,"&amp;").replace(/</g,"&lt;").replace(/>/g,"&gt;")}function getFormatter(e,t){var o=data.getItemMetadata&&data.getItemMetadata(e),n=o&&o.columns&&(o.columns[t.id]||o.columns[getColumnIndex(t.id)]);return n&&n.formatter||o&&o.formatter||t.formatter||options.formatterFactory&&options.formatterFactory.getFormatter(t)||options.defaultFormatter}function getEditor(e,t){var o=columns[t],n=data.getItemMetadata&&data.getItemMetadata(e),r=n&&n.columns;return r&&r[o.id]&&void 0!==r[o.id].editor?r[o.id].editor:r&&r[t]&&void 0!==r[t].editor?r[t].editor:o.editor||options.editorFactory&&options.editorFactory.getEditor(o)}function getDataItemValueForColumn(e,t){return options.dataItemColumnValueExtractor?options.dataItemColumnValueExtractor(e,t):e[t.field]}function appendRowHtml(e,t,o,n){var r=getDataItem(t),i=t<n&&!r,s="slick-row"+(i?" loading":"")+(t===activeRow?" active":"")+(t%2==1?" odd":" even");r||(s+=" "+options.addNewRowCssClass);var l=data.getItemMetadata&&data.getItemMetadata(t);l&&l.cssClasses&&(s+=" "+l.cssClasses),e.push("<div class='ui-widget-content "+s+"' style='top:"+getRowTop(t)+"px'>");for(var a,c,d=0,u=columns.length;d<u;d++){if(c=columns[d],a=1,l&&l.columns){var h=l.columns[c.id]||l.columns[d];a=h&&h.colspan||1,"*"===a&&(a=u-d)}if(columnPosRight[Math.min(u-1,d+a-1)]>o.leftPx){if(columnPosLeft[d]>o.rightPx)break;appendCellHtml(e,t,d,a,r)}a>1&&(d+=a-1)}e.push("</div>")}function appendCellHtml(e,t,o,n,r){var i=columns[o],s="slick-cell l"+o+" r"+Math.min(columns.length-1,o+n-1)+(i.cssClass?" "+i.cssClass:"");t===activeRow&&o===activeCell&&(s+=" active");for(var l in cellCssClasses)cellCssClasses[l][t]&&cellCssClasses[l][t][i.id]&&(s+=" "+cellCssClasses[l][t][i.id]);if(e.push("<div class='"+s+"'>"),r){var a=getDataItemValueForColumn(r,i);e.push(getFormatter(t,i)(t,o,a,i,r))}e.push("</div>"),rowsCache[t].cellRenderQueue.push(o),rowsCache[t].cellColSpans[o]=n}function cleanupRows(e){for(var t in rowsCache)(t=parseInt(t,10))!==activeRow&&(t<e.top||t>e.bottom)&&removeRowFromCache(t);options.enableAsyncPostRenderCleanup&&startPostProcessingCleanup()}function invalidate(){updateRowCount(),invalidateAllRows(),render()}function invalidateAllRows(){currentEditor&&makeActiveCellNormal();for(var e in rowsCache)removeRowFromCache(e);options.enableAsyncPostRenderCleanup&&startPostProcessingCleanup()}function queuePostProcessedRowForCleanup(e,t,o){postProcessgroupId++;for(var n in t)t.hasOwnProperty(n)&&postProcessedCleanupQueue.push({actionType:"C",groupId:postProcessgroupId,node:e.cellNodesByColumnIdx[0|n],columnIdx:0|n,rowIdx:o});postProcessedCleanupQueue.push({actionType:"R",groupId:postProcessgroupId,node:e.rowNode}),(0,_jquery2.default)(e.rowNode).detach()}function queuePostProcessedCellForCleanup(e,t,o){postProcessedCleanupQueue.push({actionType:"C",groupId:postProcessgroupId,node:e,columnIdx:t,rowIdx:o}),(0,_jquery2.default)(e).detach()}function removeRowFromCache(e){var t=rowsCache[e];t&&(rowNodeFromLastMouseWheelEvent===t.rowNode?(t.rowNode.style.display="none",zombieRowNodeFromLastMouseWheelEvent=rowNodeFromLastMouseWheelEvent,zombieRowCacheFromLastMouseWheelEvent=t,zombieRowPostProcessedFromLastMouseWheelEvent=postProcessedRows[e]):options.enableAsyncPostRenderCleanup&&postProcessedRows[e]?queuePostProcessedRowForCleanup(t,postProcessedRows[e],e):$canvas[0].removeChild(t.rowNode),delete rowsCache[e],delete postProcessedRows[e],renderedRows--,counter_rows_removed++)}function invalidateRows(e){var t,o;if(e&&e.length){for(vScrollDir=0,t=0,o=e.length;t<o;t++)currentEditor&&activeRow===e[t]&&makeActiveCellNormal(),rowsCache[e[t]]&&removeRowFromCache(e[t]);options.enableAsyncPostRenderCleanup&&startPostProcessingCleanup()}}function invalidateRow(e){invalidateRows([e])}function updateCell(e,t){var o=getCellNode(e,t);if(o){var n=columns[t],r=getDataItem(e);currentEditor&&activeRow===e&&activeCell===t?currentEditor.loadValue(r):(o.innerHTML=r?getFormatter(e,n)(e,t,getDataItemValueForColumn(r,n),n,r):"",invalidatePostProcessingResults(e))}}function updateRow(e){var t=rowsCache[e];if(t){ensureCellNodesInRowsCache(e);var o=getDataItem(e);for(var n in t.cellNodesByColumnIdx)if(t.cellNodesByColumnIdx.hasOwnProperty(n)){n|=0;var r=columns[n],i=t.cellNodesByColumnIdx[n];e===activeRow&&n===activeCell&&currentEditor?currentEditor.loadValue(o):o?i.innerHTML=getFormatter(e,r)(e,n,getDataItemValueForColumn(o,r),r,o):i.innerHTML=""}invalidatePostProcessingResults(e)}}function getViewportHeight(){return parseFloat(_jquery2.default.css($container[0],"height",!0))-parseFloat(_jquery2.default.css($container[0],"paddingTop",!0))-parseFloat(_jquery2.default.css($container[0],"paddingBottom",!0))-parseFloat(_jquery2.default.css($headerScroller[0],"height"))-getVBoxDelta($headerScroller)-(options.showTopPanel?options.topPanelHeight+getVBoxDelta($topPanelScroller):0)-(options.showHeaderRow?options.headerRowHeight+getVBoxDelta($headerRowScroller):0)-(options.createFooterRow&&options.showFooterRow?options.footerRowHeight+getVBoxDelta($footerRowScroller):0)}function resizeCanvas(){initialized&&(viewportH=options.autoHeight?options.rowHeight*getDataLengthIncludingAddNew():getViewportHeight(),numVisibleRows=Math.ceil(viewportH/options.rowHeight),viewportW=parseFloat(_jquery2.default.css($container[0],"width",!0)),options.autoHeight||$viewport.height(viewportH),options.forceFitColumns&&autosizeColumns(),updateRowCount(),handleScroll(),lastRenderedScrollLeft=-1,render())}function updateRowCount(){if(initialized){var e=getDataLengthIncludingAddNew(),t=e+(options.leaveSpaceForNewRows?numVisibleRows-1:0),o=viewportHasVScroll;viewportHasVScroll=!options.autoHeight&&t*options.rowHeight>viewportH,viewportHasHScroll=canvasWidth>viewportW-scrollbarDimensions.width,makeActiveCellNormal();var r=e-1;for(var i in rowsCache)i>r&&removeRowFromCache(i);options.enableAsyncPostRenderCleanup&&startPostProcessingCleanup(),activeCellNode&&activeRow>r&&resetActiveCell();var s=h;th=Math.max(options.rowHeight*t,viewportH-scrollbarDimensions.height),th<maxSupportedCssHeight?(h=ph=th,n=1,cj=0):(h=maxSupportedCssHeight,ph=h/100,n=Math.floor(th/ph),cj=(th-h)/(n-1)),h!==s&&($canvas.css("height",h),scrollTop=$viewport[0].scrollTop);var l=scrollTop+offset<=th-viewportH;0==th||0==scrollTop?page=offset=0:scrollTo(l?scrollTop+offset:th-viewportH),h!=s&&options.autoHeight&&resizeCanvas(),options.forceFitColumns&&o!=viewportHasVScroll&&autosizeColumns(),updateCanvasWidth(!1)}}function getVisibleRange(e,t){return null==e&&(e=scrollTop),null==t&&(t=scrollLeft),{top:getRowFromPosition(e),bottom:getRowFromPosition(e+viewportH)+1,leftPx:t,rightPx:t+viewportW}}function getRenderedRange(e,t){var o=getVisibleRange(e,t),n=Math.round(viewportH/options.rowHeight),r=3;return vScrollDir==-1?(o.top-=n,o.bottom+=r):1==vScrollDir?(o.top-=r,o.bottom+=n):(o.top-=r,o.bottom+=r),o.top=Math.max(0,o.top),o.bottom=Math.min(getDataLengthIncludingAddNew()-1,o.bottom),o.leftPx-=viewportW,o.rightPx+=viewportW,o.leftPx=Math.max(0,o.leftPx),o.rightPx=Math.min(canvasWidth,o.rightPx),o}function ensureCellNodesInRowsCache(e){var t=rowsCache[e];if(t&&t.cellRenderQueue.length)for(var o=t.rowNode.lastChild;t.cellRenderQueue.length;){var n=t.cellRenderQueue.pop();t.cellNodesByColumnIdx[n]=o,o=o.previousSibling}}function cleanUpCells(e,t){var o=0,n=rowsCache[t],r=[];for(var i in n.cellNodesByColumnIdx)if(n.cellNodesByColumnIdx.hasOwnProperty(i)){i|=0;var s=n.cellColSpans[i];(columnPosLeft[i]>e.rightPx||columnPosRight[Math.min(columns.length-1,i+s-1)]<e.leftPx)&&(t==activeRow&&i==activeCell||r.push(i))}var l,a;for(postProcessgroupId++;null!=(l=r.pop());)a=n.cellNodesByColumnIdx[l],options.enableAsyncPostRenderCleanup&&postProcessedRows[t]&&postProcessedRows[t][l]?queuePostProcessedCellForCleanup(a,l,t):n.rowNode.removeChild(a),delete n.cellColSpans[l],delete n.cellNodesByColumnIdx[l],postProcessedRows[t]&&delete postProcessedRows[t][l],o++}function cleanUpAndRenderCells(e){for(var t,o,n,r=[],i=[],s=0,l=e.top,a=e.bottom;l<=a;l++)if(t=rowsCache[l]){ensureCellNodesInRowsCache(l),cleanUpCells(e,l),o=0;var c=data.getItemMetadata&&data.getItemMetadata(l);c=c&&c.columns;for(var d=getDataItem(l),u=0,h=columns.length;u<h&&!(columnPosLeft[u]>e.rightPx);u++)if(null==(n=t.cellColSpans[u])){if(n=1,c){var p=c[columns[u].id]||c[u];n=p&&p.colspan||1,"*"===n&&(n=h-u)}columnPosRight[Math.min(h-1,u+n-1)]>e.leftPx&&(appendCellHtml(r,l,u,n,d),o++),u+=n>1?n-1:0}else u+=n>1?n-1:0;o&&(s+=o,i.push(l))}if(r.length){var f=document.createElement("div");f.innerHTML=r.join("");for(var g,v;null!=(g=i.pop());){t=rowsCache[g];for(var m;null!=(m=t.cellRenderQueue.pop());)v=f.lastChild,t.rowNode.appendChild(v),t.cellNodesByColumnIdx[m]=v}}}function renderRows(e){for(var t=$canvas[0],o=[],n=[],r=!1,i=getDataLength(),s=e.top,l=e.bottom;s<=l;s++)rowsCache[s]||(renderedRows++,n.push(s),rowsCache[s]={rowNode:null,cellColSpans:[],cellNodesByColumnIdx:[],cellRenderQueue:[]},appendRowHtml(o,s,e,i),activeCellNode&&activeRow===s&&(r=!0),counter_rows_rendered++);if(n.length){var a=document.createElement("div");a.innerHTML=o.join("");for(var s=0,l=n.length;s<l;s++)rowsCache[n[s]].rowNode=t.appendChild(a.firstChild);r&&(activeCellNode=getCellNode(activeRow,activeCell))}}function startPostProcessing(){options.enableAsyncPostRender&&(clearTimeout(h_postrender),h_postrender=setTimeout(asyncPostProcessRows,options.asyncPostRenderDelay))}function startPostProcessingCleanup(){options.enableAsyncPostRenderCleanup&&(clearTimeout(h_postrenderCleanup),h_postrenderCleanup=setTimeout(asyncPostProcessCleanupRows,options.asyncPostRenderCleanupDelay))}function invalidatePostProcessingResults(e){for(var t in postProcessedRows[e])postProcessedRows[e].hasOwnProperty(t)&&(postProcessedRows[e][t]="C");postProcessFromRow=Math.min(postProcessFromRow,e),postProcessToRow=Math.max(postProcessToRow,e),startPostProcessing()}function updateRowPositions(){for(var e in rowsCache)rowsCache[e].rowNode.style.top=getRowTop(e)+"px"}function render(){if(initialized){var e=getVisibleRange(),t=getRenderedRange();cleanupRows(t),lastRenderedScrollLeft!=scrollLeft&&cleanUpAndRenderCells(t),renderRows(t),postProcessFromRow=e.top,postProcessToRow=Math.min(getDataLengthIncludingAddNew()-1,e.bottom),startPostProcessing(),lastRenderedScrollTop=scrollTop,lastRenderedScrollLeft=scrollLeft,h_render=null}}function handleHeaderRowScroll(){var e=$headerRowScroller[0].scrollLeft;e!=$viewport[0].scrollLeft&&($viewport[0].scrollLeft=e)}function handleFooterRowScroll(){var e=$footerRowScroller[0].scrollLeft;e!=$viewport[0].scrollLeft&&($viewport[0].scrollLeft=e)}function handleScroll(){scrollTop=$viewport[0].scrollTop,scrollLeft=$viewport[0].scrollLeft;var e=Math.abs(scrollTop-prevScrollTop),t=Math.abs(scrollLeft-prevScrollLeft);if(t&&(prevScrollLeft=scrollLeft,$headerScroller[0].scrollLeft=scrollLeft,$topPanelScroller[0].scrollLeft=scrollLeft,$headerRowScroller[0].scrollLeft=scrollLeft,options.createFooterRow&&($footerRowScroller[0].scrollLeft=scrollLeft)),e)if(vScrollDir=prevScrollTop<scrollTop?1:-1,prevScrollTop=scrollTop,e<viewportH)scrollTo(scrollTop+offset);else{var o=offset;page=h==viewportH?0:Math.min(n-1,Math.floor(scrollTop*((th-viewportH)/(h-viewportH))*(1/ph))),offset=Math.round(page*cj),o!=offset&&invalidateAllRows()}(t||e)&&(h_render&&clearTimeout(h_render),(Math.abs(lastRenderedScrollTop-scrollTop)>20||Math.abs(lastRenderedScrollLeft-scrollLeft)>20)&&(options.forceSyncScrolling||Math.abs(lastRenderedScrollTop-scrollTop)<viewportH&&Math.abs(lastRenderedScrollLeft-scrollLeft)<viewportW?render():h_render=setTimeout(render,50),trigger(self.onViewportChanged,{grid:self}))),trigger(self.onScroll,{scrollLeft:scrollLeft,scrollTop:scrollTop,grid:self})}function asyncPostProcessRows(){for(var e=getDataLength();postProcessFromRow<=postProcessToRow;){var t=vScrollDir>=0?postProcessFromRow++:postProcessToRow--,o=rowsCache[t];if(o&&!(t>=e)){postProcessedRows[t]||(postProcessedRows[t]={}),ensureCellNodesInRowsCache(t);for(var n in o.cellNodesByColumnIdx)if(o.cellNodesByColumnIdx.hasOwnProperty(n)){n|=0;var r=columns[n],i=postProcessedRows[t][n];if(r.asyncPostRender&&"R"!==i){var s=o.cellNodesByColumnIdx[n];s&&r.asyncPostRender(s,t,getDataItem(t),r,"C"===i),postProcessedRows[t][n]="R"}}return void(h_postrender=setTimeout(asyncPostProcessRows,options.asyncPostRenderDelay))}}}function asyncPostProcessCleanupRows(){if(postProcessedCleanupQueue.length>0){for(var e=postProcessedCleanupQueue[0].groupId;postProcessedCleanupQueue.length>0&&postProcessedCleanupQueue[0].groupId==e;){var t=postProcessedCleanupQueue.shift();if("R"==t.actionType&&(0,_jquery2.default)(t.node).remove(),"C"==t.actionType){var o=columns[t.columnIdx];
+o.asyncPostRenderCleanup&&t.node&&o.asyncPostRenderCleanup(t.node,t.rowIdx,o)}}h_postrenderCleanup=setTimeout(asyncPostProcessCleanupRows,options.asyncPostRenderCleanupDelay)}}function updateCellCssStylesOnRenderedRows(e,t){var o,n,r,i;for(var s in rowsCache){if(i=t&&t[s],r=e&&e[s],i)for(n in i)r&&i[n]==r[n]||(o=getCellNode(s,getColumnIndex(n)),o&&(0,_jquery2.default)(o).removeClass(i[n]));if(r)for(n in r)i&&i[n]==r[n]||(o=getCellNode(s,getColumnIndex(n)),o&&(0,_jquery2.default)(o).addClass(r[n]))}}function addCellCssStyles(e,t){if(cellCssClasses[e])throw"addCellCssStyles: cell CSS hash with key '"+e+"' already exists.";cellCssClasses[e]=t,updateCellCssStylesOnRenderedRows(t,null),trigger(self.onCellCssStylesChanged,{key:e,hash:t,grid:self})}function removeCellCssStyles(e){cellCssClasses[e]&&(updateCellCssStylesOnRenderedRows(null,cellCssClasses[e]),delete cellCssClasses[e],trigger(self.onCellCssStylesChanged,{key:e,hash:null,grid:self}))}function setCellCssStyles(e,t){var o=cellCssClasses[e];cellCssClasses[e]=t,updateCellCssStylesOnRenderedRows(t,o),trigger(self.onCellCssStylesChanged,{key:e,hash:t,grid:self})}function getCellCssStyles(e){return cellCssClasses[e]}function flashCell(e,t,o){if(o=o||100,rowsCache[e]){var n=function e(t){t&&setTimeout(function(){r.queue(function(){r.toggleClass(options.cellFlashingCssClass).dequeue(),e(t-1)})},o)},r=(0,_jquery2.default)(getCellNode(e,t));n(4)}}function handleMouseWheel(e){var t=(0,_jquery2.default)(e.target).closest(".slick-row")[0];t!=rowNodeFromLastMouseWheelEvent&&(zombieRowNodeFromLastMouseWheelEvent&&zombieRowNodeFromLastMouseWheelEvent!=t&&(options.enableAsyncPostRenderCleanup&&zombieRowPostProcessedFromLastMouseWheelEvent?queuePostProcessedRowForCleanup(zombieRowCacheFromLastMouseWheelEvent,zombieRowPostProcessedFromLastMouseWheelEvent):$canvas[0].removeChild(zombieRowNodeFromLastMouseWheelEvent),zombieRowNodeFromLastMouseWheelEvent=null,zombieRowCacheFromLastMouseWheelEvent=null,zombieRowPostProcessedFromLastMouseWheelEvent=null,options.enableAsyncPostRenderCleanup&&startPostProcessingCleanup()),rowNodeFromLastMouseWheelEvent=t)}function handleDragStart(e){var t=_jquery2.default.Event(e.originalEvent.type,e.originalEvent),o=getCellFromEvent(t);if(!o||!cellExists(o.row,o.cell))return!1;var n=trigger(self.onDragStart,e,t);return!!t.isImmediatePropagationStopped()&&n}function handleDrag(e){var t=_jquery2.default.Event(e.originalEvent.type,e.originalEvent);return trigger(self.onDrag,e,t)}function handleDragEnd(e){trigger(self.onDragEnd,e,_jquery2.default.Event("mousedown"))}function handleKeyDown(e){trigger(self.onKeyDown,{row:activeRow,cell:activeCell,grid:self},e);var t=e.isImmediatePropagationStopped(),o=_slick2.default.keyCode;if(!t)if(e.shiftKey||e.altKey||e.ctrlKey)e.which!=o.TAB||!e.shiftKey||e.ctrlKey||e.altKey||(t=navigatePrev());else{if(options.editable&&currentEditor&&currentEditor.keyCaptureList&&currentEditor.keyCaptureList.indexOf(e.which)>-1)return;if(e.which==o.ESCAPE){if(!getEditorLock().isActive())return;cancelEditAndSetFocus()}else e.which==o.PAGE_DOWN?(navigatePageDown(),t=!0):e.which==o.PAGE_UP?(navigatePageUp(),t=!0):e.which==o.LEFT?t=navigateLeft():e.which==o.RIGHT?t=navigateRight():e.which==o.UP?t=navigateUp():e.which==o.DOWN?t=navigateDown():e.which==o.TAB?t=navigateNext():e.which==o.ENTER&&(options.editable&&(currentEditor?activeRow===getDataLength()?navigateDown():commitEditAndSetFocus():getEditorLock().commitCurrentEdit()&&makeActiveCellEditable()),t=!0)}if(t){e.stopPropagation(),e.preventDefault();try{e.originalEvent.keyCode=0}catch(e){}}}function handleClick(e){currentEditor||(e.target!=document.activeElement||(0,_jquery2.default)(e.target).hasClass("slick-cell"))&&setFocus();var t=getCellFromEvent(e);!t||null!==currentEditor&&activeRow==t.row&&activeCell==t.cell||(trigger(self.onClick,{row:t.row,cell:t.cell,grid:self},e),e.isImmediatePropagationStopped()||activeCell==t.cell&&activeRow==t.row||!canCellBeActive(t.row,t.cell)||getEditorLock().isActive()&&!getEditorLock().commitCurrentEdit()||(scrollRowIntoView(t.row,!1),setActiveCellInternal(getCellNode(t.row,t.cell))))}function handleContextMenu(e){var t=(0,_jquery2.default)(e.target).closest(".slick-cell",$canvas);0!==t.length&&(activeCellNode===t[0]&&null!==currentEditor||trigger(self.onContextMenu,{grid:self},e))}function handleDblClick(e){var t=getCellFromEvent(e);!t||null!==currentEditor&&activeRow==t.row&&activeCell==t.cell||(trigger(self.onDblClick,{row:t.row,cell:t.cell,grid:self},e),e.isImmediatePropagationStopped()||options.editable&&gotoCell(t.row,t.cell,!0))}function handleHeaderMouseEnter(e){trigger(self.onHeaderMouseEnter,{column:(0,_jquery2.default)(this).data("column"),grid:self},e)}function handleHeaderMouseLeave(e){trigger(self.onHeaderMouseLeave,{column:(0,_jquery2.default)(this).data("column"),grid:self},e)}function handleHeaderContextMenu(e){var t=(0,_jquery2.default)(e.target).closest(".slick-header-column",".slick-header-columns"),o=t&&t.data("column");trigger(self.onHeaderContextMenu,{column:o,grid:self},e)}function handleHeaderClick(e){var t=(0,_jquery2.default)(e.target).closest(".slick-header-column",".slick-header-columns"),o=t&&t.data("column");o&&trigger(self.onHeaderClick,{column:o,grid:self},e)}function handleMouseEnter(e){trigger(self.onMouseEnter,{grid:self},e)}function handleMouseLeave(e){trigger(self.onMouseLeave,{grid:self},e)}function cellExists(e,t){return!(e<0||e>=getDataLength()||t<0||t>=columns.length)}function getCellFromPoint(e,t){for(var o=getRowFromPosition(t),n=0,r=0,i=0;i<columns.length&&r<e;i++)r+=columns[i].width,n++;return n<0&&(n=0),{row:o,cell:n-1}}function getCellFromNode(e){var t=/l\d+/.exec(e.className);if(!t)throw"getCellFromNode: cannot get cell - "+e.className;return parseInt(t[0].substr(1,t[0].length-1),10)}function getRowFromNode(e){for(var t in rowsCache)if(rowsCache[t].rowNode===e)return 0|t;return null}function getCellFromEvent(e){var t=(0,_jquery2.default)(e.target).closest(".slick-cell",$canvas);if(!t.length)return null;var o=getRowFromNode(t[0].parentNode),n=getCellFromNode(t[0]);return null==o||null==n?null:{row:o,cell:n}}function getCellNodeBox(e,t){if(!cellExists(e,t))return null;for(var o=getRowTop(e),n=o+options.rowHeight-1,r=0,i=0;i<t;i++)r+=columns[i].width;var s=r+columns[t].width;return{top:o,left:r,bottom:n,right:s}}function resetActiveCell(){setActiveCellInternal(null,!1)}function setFocus(){tabbingDirection==-1?$focusSink[0].focus():$focusSink2[0].focus()}function scrollCellIntoView(e,t,o){scrollRowIntoView(e,o);var n=getColspan(e,t),r=columnPosLeft[t],i=columnPosRight[t+(n>1?n-1:0)],s=scrollLeft+viewportW;r<scrollLeft?($viewport.scrollLeft(r),handleScroll(),render()):i>s&&($viewport.scrollLeft(Math.min(r,i-$viewport[0].clientWidth)),handleScroll(),render())}function setActiveCellInternal(e,t){null!==activeCellNode&&(makeActiveCellNormal(),(0,_jquery2.default)(activeCellNode).removeClass("active"),rowsCache[activeRow]&&(0,_jquery2.default)(rowsCache[activeRow].rowNode).removeClass("active"));var o=activeCellNode!==e;activeCellNode=e,null!=activeCellNode?(activeRow=getRowFromNode(activeCellNode.parentNode),activeCell=activePosX=getCellFromNode(activeCellNode),null==t&&(t=activeRow==getDataLength()||options.autoEdit),(0,_jquery2.default)(activeCellNode).addClass("active"),(0,_jquery2.default)(rowsCache[activeRow].rowNode).addClass("active"),options.editable&&t&&isCellPotentiallyEditable(activeRow,activeCell)&&(clearTimeout(h_editorLoader),options.asyncEditorLoading?h_editorLoader=setTimeout(function(){makeActiveCellEditable()},options.asyncEditorLoadDelay):makeActiveCellEditable())):activeRow=activeCell=null,o&&trigger(self.onActiveCellChanged,getActiveCell())}function clearTextSelection(){if(document.selection&&document.selection.empty)try{document.selection.empty()}catch(e){}else if(window.getSelection){var e=window.getSelection();e&&e.removeAllRanges&&e.removeAllRanges()}}function isCellPotentiallyEditable(e,t){var o=getDataLength();return!(e<o&&!getDataItem(e))&&(!(columns[t].cannotTriggerInsert&&e>=o)&&!!getEditor(e,t))}function makeActiveCellNormal(){if(currentEditor){if(trigger(self.onBeforeCellEditorDestroy,{editor:currentEditor,grid:self}),currentEditor.destroy(),currentEditor=null,activeCellNode){var e=getDataItem(activeRow);if((0,_jquery2.default)(activeCellNode).removeClass("editable invalid"),e){var t=columns[activeCell],o=getFormatter(activeRow,t);activeCellNode.innerHTML=o(activeRow,activeCell,getDataItemValueForColumn(e,t),t,e,self),invalidatePostProcessingResults(activeRow)}}navigator.userAgent.toLowerCase().match(/msie/)&&clearTextSelection(),getEditorLock().deactivate(editController)}}function makeActiveCellEditable(e){if(activeCellNode){if(!options.editable)throw"Grid : makeActiveCellEditable : should never get called when options.editable is false";if(clearTimeout(h_editorLoader),isCellPotentiallyEditable(activeRow,activeCell)){var t=columns[activeCell],o=getDataItem(activeRow);if(trigger(self.onBeforeEditCell,{row:activeRow,cell:activeCell,item:o,column:t,grid:self})===!1)return void setFocus();getEditorLock().activate(editController),(0,_jquery2.default)(activeCellNode).addClass("editable");var n=e||getEditor(activeRow,activeCell);e||n.suppressClearOnEdit||(activeCellNode.innerHTML=""),currentEditor=new n({grid:self,gridPosition:absBox($container[0]),position:absBox(activeCellNode),container:activeCellNode,column:t,item:o||{},commitChanges:commitEditAndSetFocus,cancelChanges:cancelEditAndSetFocus}),o&&currentEditor.loadValue(o),serializedEditorValue=currentEditor.serializeValue(),currentEditor.position&&handleActiveCellPositionChange()}}}function commitEditAndSetFocus(){getEditorLock().commitCurrentEdit()&&(setFocus(),options.autoEdit&&navigateDown())}function cancelEditAndSetFocus(){getEditorLock().cancelCurrentEdit()&&setFocus()}function absBox(e){var t={top:e.offsetTop,left:e.offsetLeft,bottom:0,right:0,width:(0,_jquery2.default)(e).outerWidth(),height:(0,_jquery2.default)(e).outerHeight(),visible:!0};t.bottom=t.top+t.height,t.right=t.left+t.width;for(var o=e.offsetParent;(e=e.parentNode)!=document.body&&null!=e;)t.visible&&e.scrollHeight!=e.offsetHeight&&"visible"!=(0,_jquery2.default)(e).css("overflowY")&&(t.visible=t.bottom>e.scrollTop&&t.top<e.scrollTop+e.clientHeight),t.visible&&e.scrollWidth!=e.offsetWidth&&"visible"!=(0,_jquery2.default)(e).css("overflowX")&&(t.visible=t.right>e.scrollLeft&&t.left<e.scrollLeft+e.clientWidth),t.left-=e.scrollLeft,t.top-=e.scrollTop,e===o&&(t.left+=e.offsetLeft,t.top+=e.offsetTop,o=e.offsetParent),t.bottom=t.top+t.height,t.right=t.left+t.width;return t}function getActiveCellPosition(){return absBox(activeCellNode)}function getGridPosition(){return absBox($container[0])}function handleActiveCellPositionChange(){if(activeCellNode&&(trigger(self.onActiveCellPositionChanged,{grid:self}),currentEditor)){var e=getActiveCellPosition();currentEditor.show&&currentEditor.hide&&(e.visible?currentEditor.show():currentEditor.hide()),currentEditor.position&&currentEditor.position(e)}}function getCellEditor(){return currentEditor}function getActiveCell(){return activeCellNode?{row:activeRow,cell:activeCell,grid:self}:null}function getActiveCellNode(){return activeCellNode}function scrollRowIntoView(e,t){var o=e*options.rowHeight,n=(e+1)*options.rowHeight-viewportH+(viewportHasHScroll?scrollbarDimensions.height:0);(e+1)*options.rowHeight>scrollTop+viewportH+offset?(scrollTo(t?o:n),render()):e*options.rowHeight<scrollTop+offset&&(scrollTo(t?n:o),render())}function scrollRowToTop(e){scrollTo(e*options.rowHeight),render()}function scrollPage(e){var t=e*numVisibleRows;if(scrollTo((getRowFromPosition(scrollTop)+t)*options.rowHeight),render(),options.enableCellNavigation&&null!=activeRow){var o=activeRow+t,n=getDataLengthIncludingAddNew();o>=n&&(o=n-1),o<0&&(o=0);for(var r=0,i=null,s=activePosX;r<=activePosX;)canCellBeActive(o,r)&&(i=r),r+=getColspan(o,r);null!==i?(setActiveCellInternal(getCellNode(o,i)),activePosX=s):resetActiveCell()}}function navigatePageDown(){scrollPage(1)}function navigatePageUp(){scrollPage(-1)}function getColspan(e,t){var o=data.getItemMetadata&&data.getItemMetadata(e);if(!o||!o.columns)return 1;var n=o.columns[columns[t].id]||o.columns[t],r=n&&n.colspan;return r="*"===r?columns.length-t:r||1}function findFirstFocusableCell(e){for(var t=0;t<columns.length;){if(canCellBeActive(e,t))return t;t+=getColspan(e,t)}return null}function findLastFocusableCell(e){for(var t=0,o=null;t<columns.length;)canCellBeActive(e,t)&&(o=t),t+=getColspan(e,t);return o}function gotoRight(e,t,o){if(t>=columns.length)return null;do t+=getColspan(e,t);while(t<columns.length&&!canCellBeActive(e,t));return t<columns.length?{row:e,cell:t,posX:t}:null}function gotoLeft(e,t,o){if(t<=0)return null;var n=findFirstFocusableCell(e);if(null===n||n>=t)return null;for(var r,i={row:e,cell:n,posX:n};;){if(r=gotoRight(i.row,i.cell,i.posX),!r)return null;if(r.cell>=t)return i;i=r}}function gotoDown(e,t,o){for(var n,r=getDataLengthIncludingAddNew();;){if(++e>=r)return null;for(n=t=0;t<=o;)n=t,t+=getColspan(e,t);if(canCellBeActive(e,n))return{row:e,cell:n,posX:o}}}function gotoUp(e,t,o){for(var n;;){if(--e<0)return null;for(n=t=0;t<=o;)n=t,t+=getColspan(e,t);if(canCellBeActive(e,n))return{row:e,cell:n,posX:o}}}function gotoNext(e,t,o){if(null==e&&null==t&&(e=t=o=0,canCellBeActive(e,t)))return{row:e,cell:t,posX:t};var n=gotoRight(e,t,o);if(n)return n;for(var r=null,i=getDataLengthIncludingAddNew();++e<i;)if(r=findFirstFocusableCell(e),null!==r)return{row:e,cell:r,posX:r};return null}function gotoPrev(e,t,o){if(null==e&&null==t&&(e=getDataLengthIncludingAddNew()-1,t=o=columns.length-1,canCellBeActive(e,t)))return{row:e,cell:t,posX:t};for(var n,r;!n&&!(n=gotoLeft(e,t,o));){if(--e<0)return null;t=0,r=findLastFocusableCell(e),null!==r&&(n={row:e,cell:r,posX:r})}return n}function navigateRight(){return navigate("right")}function navigateLeft(){return navigate("left")}function navigateDown(){return navigate("down")}function navigateUp(){return navigate("up")}function navigateNext(){return navigate("next")}function navigatePrev(){return navigate("prev")}function navigate(e){if(!options.enableCellNavigation)return!1;if(!activeCellNode&&"prev"!=e&&"next"!=e)return!1;if(!getEditorLock().commitCurrentEdit())return!0;setFocus();var t={up:-1,down:1,left:-1,right:1,prev:-1,next:1};tabbingDirection=t[e];var o={up:gotoUp,down:gotoDown,left:gotoLeft,right:gotoRight,prev:gotoPrev,next:gotoNext},n=o[e],r=n(activeRow,activeCell,activePosX);if(r){var i=r.row==getDataLength();return scrollCellIntoView(r.row,r.cell,!i),setActiveCellInternal(getCellNode(r.row,r.cell)),activePosX=r.posX,!0}return setActiveCellInternal(getCellNode(activeRow,activeCell)),!1}function getCellNode(e,t){return rowsCache[e]?(ensureCellNodesInRowsCache(e),rowsCache[e].cellNodesByColumnIdx[t]):null}function setActiveCell(e,t){initialized&&(e>getDataLength()||e<0||t>=columns.length||t<0||options.enableCellNavigation&&(scrollCellIntoView(e,t,!1),setActiveCellInternal(getCellNode(e,t),!1)))}function canCellBeActive(e,t){if(!options.enableCellNavigation||e>=getDataLengthIncludingAddNew()||e<0||t>=columns.length||t<0)return!1;var o=data.getItemMetadata&&data.getItemMetadata(e);if(o&&"boolean"==typeof o.focusable)return o.focusable;var n=o&&o.columns;return n&&n[columns[t].id]&&"boolean"==typeof n[columns[t].id].focusable?n[columns[t].id].focusable:n&&n[t]&&"boolean"==typeof n[t].focusable?n[t].focusable:columns[t].focusable}function canCellBeSelected(e,t){if(e>=getDataLength()||e<0||t>=columns.length||t<0)return!1;var o=data.getItemMetadata&&data.getItemMetadata(e);if(o&&"boolean"==typeof o.selectable)return o.selectable;var n=o&&o.columns&&(o.columns[columns[t].id]||o.columns[t]);return n&&"boolean"==typeof n.selectable?n.selectable:columns[t].selectable}function gotoCell(e,t,o){if(initialized&&canCellBeActive(e,t)&&getEditorLock().commitCurrentEdit()){scrollCellIntoView(e,t,!1);var n=getCellNode(e,t);setActiveCellInternal(n,o||e===getDataLength()||options.autoEdit),currentEditor||setFocus()}}function commitCurrentEdit(){var e=getDataItem(activeRow),t=columns[activeCell];if(currentEditor){if(currentEditor.isValueChanged()){var o=currentEditor.validate();if(o.valid){if(activeRow<getDataLength()){var n={row:activeRow,cell:activeCell,editor:currentEditor,serializedValue:currentEditor.serializeValue(),prevSerializedValue:serializedEditorValue,execute:function(){this.editor.applyValue(e,this.serializedValue),updateRow(this.row),trigger(self.onCellChange,{row:activeRow,cell:activeCell,item:e,grid:self})},undo:function(){this.editor.applyValue(e,this.prevSerializedValue),updateRow(this.row),trigger(self.onCellChange,{row:activeRow,cell:activeCell,item:e,grid:self})}};options.editCommandHandler?(makeActiveCellNormal(),options.editCommandHandler(e,t,n)):(n.execute(),makeActiveCellNormal())}else{var r={};currentEditor.applyValue(r,currentEditor.serializeValue()),makeActiveCellNormal(),trigger(self.onAddNewRow,{item:r,column:t,grid:self})}return!getEditorLock().isActive()}return(0,_jquery2.default)(activeCellNode).removeClass("invalid"),(0,_jquery2.default)(activeCellNode).width(),(0,_jquery2.default)(activeCellNode).addClass("invalid"),trigger(self.onValidationError,{editor:currentEditor,cellNode:activeCellNode,validationResults:o,row:activeRow,cell:activeCell,column:t,grid:self}),currentEditor.focus(),!1}makeActiveCellNormal()}return!0}function cancelCurrentEdit(){return makeActiveCellNormal(),!0}function rowsToRanges(e){for(var t=[],o=columns.length-1,n=0;n<e.length;n++)t.push(new _slick2.default.Range(e[n],0,e[n],o));return t}function getSelectedRows(){if(!selectionModel)throw"Selection model is not set";return selectedRows}function setSelectedRows(e){if(!selectionModel)throw"Selection model is not set";selectionModel.setSelectedRanges(rowsToRanges(e))}var 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diff --git a/dist/slick.es6.min.js.map b/dist/slick.es6.min.js.map
index 7c738d1..52ddcd1 100644
--- a/dist/slick.es6.min.js.map
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EventHandler: EventHandler,\n\t  Range: Range,\n\t  NonDataRow: NonDataItem,\n\t  Group: Group,\n\t  GroupTotals: GroupTotals,\n\t  EditorLock: EditorLock,\n\t  /** *\n\t   * A global singleton editor lock.\n\t   * @class GlobalEditorLock\n\t   * @static\n\t   * @constructor\n\t   */\n\t  GlobalEditorLock: new EditorLock(),\n\t  TreeColumns: TreeColumns,\n\t\n\t  keyCode: {\n\t    BACKSPACE: 8,\n\t    DELETE: 46,\n\t    DOWN: 40,\n\t    END: 35,\n\t    ENTER: 13,\n\t    ESCAPE: 27,\n\t    HOME: 36,\n\t    INSERT: 45,\n\t    LEFT: 37,\n\t    PAGE_DOWN: 34,\n\t    PAGE_UP: 33,\n\t    RIGHT: 39,\n\t    TAB: 9,\n\t    UP: 38,\n\t    SPACE: 32\n\t  }\n\t};\n\t\n\texports.default = Slick;\n\t\n\t/***\n\t * An event object for passing data to event handlers and letting them control propagation.\n\t * <p>This is pretty much identical to how W3C and jQuery implement events.</p>\n\t * @class EventData\n\t * @constructor\n\t */\n\t\n\tfunction EventData() {\n\t  var isPropagationStopped = 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Starting cell.\n\t * @param toRow {Integer} Optional. Ending row. Defaults to <code>fromRow</code>.\n\t * @param toCell {Integer} Optional. Ending cell. Defaults to <code>fromCell</code>.\n\t */\n\tfunction Range(fromRow, fromCell, toRow, toCell) {\n\t  if (toRow === undefined && toCell === undefined) {\n\t    toRow = fromRow;\n\t    toCell = fromCell;\n\t  }\n\t\n\t  /***\n\t   * @property fromRow\n\t   * @type {Integer}\n\t   */\n\t  this.fromRow = Math.min(fromRow, toRow);\n\t\n\t  /***\n\t   * @property fromCell\n\t   * @type {Integer}\n\t   */\n\t  this.fromCell = Math.min(fromCell, toCell);\n\t\n\t  /***\n\t   * @property toRow\n\t   * @type {Integer}\n\t   */\n\t  this.toRow = Math.max(fromRow, toRow);\n\t\n\t  /***\n\t   * @property toCell\n\t   * @type {Integer}\n\t   */\n\t  this.toCell = Math.max(fromCell, toCell);\n\t\n\t  /***\n\t   * Returns whether a range represents a single row.\n\t   * @method isSingleRow\n\t   * @return {Boolean}\n\t   */\n\t  this.isSingleRow = function () {\n\t    return this.fromRow == this.toRow;\n\t  };\n\t\n\t  /***\n\t   * Returns whether a range represents a single cell.\n\t   * @method isSingleCell\n\t   * @return {Boolean}\n\t   */\n\t  this.isSingleCell = function () {\n\t    return this.fromRow == this.toRow && this.fromCell == this.toCell;\n\t  };\n\t\n\t  /***\n\t   * Returns whether a range contains a given cell.\n\t   * @method contains\n\t   * @param row {Integer}\n\t   * @param cell {Integer}\n\t   * @return {Boolean}\n\t   */\n\t  this.contains = function (row, cell) {\n\t    return row >= this.fromRow && row <= this.toRow && cell >= this.fromCell && cell <= this.toCell;\n\t  };\n\t\n\t  /***\n\t   * Returns a readable representation of a range.\n\t   * @method toString\n\t   * @return {String}\n\t   */\n\t  this.toString = function () {\n\t    if (this.isSingleCell()) {\n\t      return \"(\" + this.fromRow + \":\" + this.fromCell + \")\";\n\t    } else {\n\t      return \"(\" + this.fromRow + \":\" + this.fromCell + \" - \" + this.toRow + \":\" + this.toCell + \")\";\n\t    }\n\t  };\n\t}\n\t\n\t/***\n\t * A base class that all special / non-data rows (like Group and GroupTotals) derive from.\n\t * @class NonDataItem\n\t * @constructor\n\t */\n\tfunction NonDataItem() {\n\t  this.__nonDataRow = true;\n\t}\n\t\n\t/***\n\t * Information about a group of rows.\n\t * @class Group\n\t * @extends Slick.NonDataItem\n\t * @constructor\n\t */\n\tfunction Group() {\n\t  this.__group = true;\n\t\n\t  /**\n\t   * Grouping level, starting with 0.\n\t   * @property level\n\t   * @type {Number}\n\t   */\n\t  this.level = 0;\n\t\n\t  /***\n\t   * Number of rows in the group.\n\t   * @property count\n\t   * @type {Integer}\n\t   */\n\t  this.count = 0;\n\t\n\t  /***\n\t   * Grouping value.\n\t   * @property value\n\t   * @type {Object}\n\t   */\n\t  this.value = null;\n\t\n\t  /***\n\t   * Formatted display value of the group.\n\t   * @property title\n\t   * @type {String}\n\t   */\n\t  this.title = null;\n\t\n\t  /***\n\t   * Whether a group is collapsed.\n\t   * @property collapsed\n\t   * @type {Boolean}\n\t   */\n\t  this.collapsed = false;\n\t\n\t  /***\n\t   * GroupTotals, if any.\n\t   * @property totals\n\t   * @type {GroupTotals}\n\t   */\n\t  this.totals = null;\n\t\n\t  /**\n\t   * Rows that are part of the group.\n\t   * @property rows\n\t   * @type {Array}\n\t   */\n\t  this.rows = [];\n\t\n\t  /**\n\t   * Sub-groups that are part of the group.\n\t   * @property groups\n\t   * @type {Array}\n\t   */\n\t  this.groups = null;\n\t\n\t  /**\n\t   * A unique key used to identify the group.  This key can be used in calls to DataView\n\t   * collapseGroup() or expandGroup().\n\t   * @property groupingKey\n\t   * @type {Object}\n\t   */\n\t  this.groupingKey = null;\n\t}\n\t\n\tGroup.prototype = new NonDataItem();\n\t\n\t/***\n\t * Compares two Group instances.\n\t * @method equals\n\t * @return {Boolean}\n\t * @param group {Group} Group instance to compare to.\n\t */\n\tGroup.prototype.equals = function (group) {\n\t  return this.value === group.value && this.count === group.count && this.collapsed === group.collapsed && this.title === group.title;\n\t};\n\t\n\t/***\n\t * Information about group totals.\n\t * An instance of GroupTotals will be created for each totals row and passed to the aggregators\n\t * so that they can store arbitrary data in it.  That data can later be accessed by group totals\n\t * formatters during the display.\n\t * @class GroupTotals\n\t * @extends Slick.NonDataItem\n\t * @constructor\n\t */\n\tfunction GroupTotals() {\n\t  this.__groupTotals = true;\n\t\n\t  /***\n\t   * Parent Group.\n\t   * @param group\n\t   * @type {Group}\n\t   */\n\t  this.group = null;\n\t\n\t  /***\n\t   * Whether the totals have been fully initialized / calculated.\n\t   * Will be set to false for lazy-calculated group totals.\n\t   * @param initialized\n\t   * @type {Boolean}\n\t   */\n\t  this.initialized = false;\n\t}\n\t\n\tGroupTotals.prototype = new NonDataItem();\n\t\n\t/***\n\t * A locking helper to track the active edit controller and ensure that only a single controller\n\t * can be active at a time.  This prevents a whole class of state and validation synchronization\n\t * issues.  An edit controller (such as SlickGrid) can query if an active edit is in progress\n\t * and attempt a commit or cancel before proceeding.\n\t * @class EditorLock\n\t * @constructor\n\t */\n\tfunction EditorLock() {\n\t  var activeEditController = null;\n\t\n\t  /***\n\t   * Returns true if a specified edit controller is active (has the edit lock).\n\t   * If the parameter is not specified, returns true if any edit controller is active.\n\t   * @method isActive\n\t   * @param editController {EditController}\n\t   * @return {Boolean}\n\t   */\n\t  this.isActive = function (editController) {\n\t    return editController ? activeEditController === editController : activeEditController !== null;\n\t  };\n\t\n\t  /***\n\t   * Sets the specified edit controller as the active edit controller (acquire edit lock).\n\t   * If another edit controller is already active, and exception will be thrown.\n\t   * @method activate\n\t   * @param editController {EditController} edit controller acquiring the lock\n\t   */\n\t  this.activate = function (editController) {\n\t    if (editController === activeEditController) {\n\t      // already activated?\n\t      return;\n\t    }\n\t    if (activeEditController !== null) {\n\t      throw \"SlickGrid.EditorLock.activate: an editController is still active, can't activate another editController\";\n\t    }\n\t    if (!editController.commitCurrentEdit) {\n\t      throw \"SlickGrid.EditorLock.activate: editController must implement .commitCurrentEdit()\";\n\t    }\n\t    if (!editController.cancelCurrentEdit) {\n\t      throw \"SlickGrid.EditorLock.activate: editController must implement .cancelCurrentEdit()\";\n\t    }\n\t    activeEditController = editController;\n\t  };\n\t\n\t  /***\n\t   * Unsets the specified edit controller as the active edit controller (release edit lock).\n\t   * If the specified edit controller is not the active one, an exception will be thrown.\n\t   * @method deactivate\n\t   * @param editController {EditController} edit controller releasing the lock\n\t   */\n\t  this.deactivate = function (editController) {\n\t    if (activeEditController !== editController) {\n\t      throw \"SlickGrid.EditorLock.deactivate: specified editController is not the currently active one\";\n\t    }\n\t    activeEditController = null;\n\t  };\n\t\n\t  /***\n\t   * Attempts to commit the current edit by calling \"commitCurrentEdit\" method on the active edit\n\t   * controller and returns whether the commit attempt was successful (commit may fail due to validation\n\t   * errors, etc.).  Edit controller's \"commitCurrentEdit\" must return true if the commit has succeeded\n\t   * and false otherwise.  If no edit controller is active, returns true.\n\t   * @method commitCurrentEdit\n\t   * @return {Boolean}\n\t   */\n\t  this.commitCurrentEdit = function () {\n\t    return activeEditController ? activeEditController.commitCurrentEdit() : true;\n\t  };\n\t\n\t  /***\n\t   * Attempts to cancel the current edit by calling \"cancelCurrentEdit\" method on the active edit\n\t   * controller and returns whether the edit was successfully cancelled.  If no edit controller is\n\t   * active, returns true.\n\t   * @method cancelCurrentEdit\n\t   * @return {Boolean}\n\t   */\n\t  this.cancelCurrentEdit = function cancelCurrentEdit() {\n\t    return activeEditController ? activeEditController.cancelCurrentEdit() : true;\n\t  };\n\t}\n\t\n\t/**\n\t *\n\t * @param {Array} treeColumns Array com levels of columns\n\t * @returns {{hasDepth: 'hasDepth', getTreeColumns: 'getTreeColumns', extractColumns: 'extractColumns', getDepth: 'getDepth', getColumnsInDepth: 'getColumnsInDepth', getColumnsInGroup: 'getColumnsInGroup', visibleColumns: 'visibleColumns', filter: 'filter', reOrder: reOrder}}\n\t * @constructor\n\t */\n\tfunction TreeColumns(treeColumns) {\n\t\n\t  var columnsById = {};\n\t\n\t  function init() {\n\t    mapToId(treeColumns);\n\t  }\n\t\n\t  function mapToId(columns) {\n\t    columns.forEach(function (column) {\n\t      columnsById[column.id] = column;\n\t\n\t      if (column.columns) mapToId(column.columns);\n\t    });\n\t  }\n\t\n\t  function filter(node, condition) {\n\t\n\t    return node.filter(function (column) {\n\t\n\t      var valid = condition.call(column);\n\t\n\t      if (valid && column.columns) column.columns = filter(column.columns, condition);\n\t\n\t      return valid && (!column.columns || column.columns.length);\n\t    });\n\t  }\n\t\n\t  function sort(columns, grid) {\n\t    columns.sort(function (a, b) {\n\t      var indexA = getOrDefault(grid.getColumnIndex(a.id)),\n\t          indexB = getOrDefault(grid.getColumnIndex(b.id));\n\t\n\t      return indexA - indexB;\n\t    }).forEach(function (column) {\n\t      if (column.columns) sort(column.columns, grid);\n\t    });\n\t  }\n\t\n\t  function getOrDefault(value) {\n\t    return typeof value === 'undefined' ? -1 : value;\n\t  }\n\t\n\t  function getDepth(node) {\n\t    if (node.length) for (var i in node) {\n\t      return getDepth(node[i]);\n\t    } else if (node.columns) return 1 + getDepth(node.columns);else return 1;\n\t  }\n\t\n\t  function getColumnsInDepth(node, depth, current) {\n\t    var columns = [];\n\t    current = current || 0;\n\t\n\t    if (depth == current) {\n\t\n\t      if (node.length) node.forEach(function (n) {\n\t        if (n.columns) n.extractColumns = function () {\n\t          return extractColumns(n);\n\t        };\n\t      });\n\t\n\t      return node;\n\t    } else for (var i in node) {\n\t      if (node[i].columns) {\n\t        columns = columns.concat(getColumnsInDepth(node[i].columns, depth, current + 1));\n\t      }\n\t    }return columns;\n\t  }\n\t\n\t  function extractColumns(node) {\n\t    var result = [];\n\t\n\t    if (node.hasOwnProperty('length')) {\n\t\n\t      for (var i = 0; i < node.length; i++) {\n\t        result = result.concat(extractColumns(node[i]));\n\t      }\n\t    } else {\n\t\n\t      if (node.hasOwnProperty('columns')) result = result.concat(extractColumns(node.columns));else return node;\n\t    }\n\t\n\t    return result;\n\t  }\n\t\n\t  function cloneTreeColumns() {\n\t    return $.extend(true, [], treeColumns);\n\t  }\n\t\n\t  init();\n\t\n\t  this.hasDepth = function () {\n\t\n\t    for (var i in treeColumns) {\n\t      if (treeColumns[i].hasOwnProperty('columns')) return true;\n\t    }return false;\n\t  };\n\t\n\t  this.getTreeColumns = function () {\n\t    return treeColumns;\n\t  };\n\t\n\t  this.extractColumns = function () {\n\t    return this.hasDepth() ? extractColumns(treeColumns) : treeColumns;\n\t  };\n\t\n\t  this.getDepth = function () {\n\t    return getDepth(treeColumns);\n\t  };\n\t\n\t  this.getColumnsInDepth = function (depth) {\n\t    return getColumnsInDepth(treeColumns, depth);\n\t  };\n\t\n\t  this.getColumnsInGroup = function (groups) {\n\t    return extractColumns(groups);\n\t  };\n\t\n\t  this.visibleColumns = function () {\n\t    return filter(cloneTreeColumns(), function () {\n\t      return this.visible;\n\t    });\n\t  };\n\t\n\t  this.filter = function (condition) {\n\t    return filter(cloneTreeColumns(), condition);\n\t  };\n\t\n\t  this.reOrder = function (grid) {\n\t    return sort(treeColumns, grid);\n\t  };\n\t\n\t  this.getById = function (id) {\n\t    return columnsById[id];\n\t  };\n\t\n\t  this.getInIds = function (ids) {\n\t    return ids.map(function (id) {\n\t      return columnsById[id];\n\t    });\n\t  };\n\t}\n\n/***/ }),\n/* 2 */\n/***/ (function(module, exports) {\n\n\tmodule.exports = require(\"jquery\");\n\n/***/ }),\n/* 3 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tObject.defineProperty(exports, \"__esModule\", {\n\t  value: true\n\t});\n\t\n\tvar _jquery = __webpack_require__(2);\n\t\n\tvar _jquery2 = _interopRequireDefault(_jquery);\n\t\n\tvar _slick = __webpack_require__(1);\n\t\n\tvar _slick2 = _interopRequireDefault(_slick);\n\t\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\t\n\texports.default = CellRangeDecorator;\n\t\n\t/** *\n\t * Displays an overlay on top of a given cell range.\n\t *\n\t * TODO:\n\t * Currently, it blocks mouse events to DOM nodes behind it.\n\t * Use FF and WebKit-specific 'pointer-events' CSS style, or some kind of event forwarding.\n\t * Could also construct the borders separately using 4 individual DIVs.\n\t *\n\t * @param {Grid} grid\n\t * @param {Object} options\n\t */\n\t\n\tfunction CellRangeDecorator(grid, options) {\n\t  var _elem = void 0;\n\t  var _defaults = {\n\t    selectionCssClass: 'slick-range-decorator',\n\t    selectionCss: {\n\t      zIndex: '9999',\n\t      border: '2px dashed red'\n\t    }\n\t  };\n\t\n\t  options = Object.assign({}, _defaults, options);\n\t\n\t  function show(range) {\n\t    if (!_elem) {\n\t      _elem = (0, _jquery2.default)('<div></div>', { css: options.selectionCss }).addClass(options.selectionCssClass).css('position', 'absolute').appendTo(grid.getCanvasNode());\n\t    }\n\t\n\t    var from = grid.getCellNodeBox(range.fromRow, range.fromCell);\n\t    var to = grid.getCellNodeBox(range.toRow, range.toCell);\n\t\n\t    _elem.css({\n\t      top: from.top - 1,\n\t      left: from.left - 1,\n\t      height: to.bottom - from.top - 2,\n\t      width: to.right - from.left - 2\n\t    });\n\t\n\t    return _elem;\n\t  }\n\t\n\t  function hide() {\n\t    if (_elem) {\n\t      _elem.remove();\n\t      _elem = null;\n\t    }\n\t  }\n\t\n\t  Object.assign(this, {\n\t    show: show,\n\t    hide: hide\n\t  });\n\t}\n\n/***/ }),\n/* 4 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tObject.defineProperty(exports, \"__esModule\", {\n\t  value: true\n\t});\n\t\n\tvar _jquery = __webpack_require__(2);\n\t\n\tvar _jquery2 = _interopRequireDefault(_jquery);\n\t\n\tvar _slick = __webpack_require__(1);\n\t\n\tvar _slick2 = _interopRequireDefault(_slick);\n\t\n\tvar _slick3 = __webpack_require__(3);\n\t\n\tvar _slick4 = _interopRequireDefault(_slick3);\n\t\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\t\n\texports.default = CellRangeSelector;\n\t\n\t\n\tfunction CellRangeSelector(options) {\n\t  var _grid = void 0;\n\t  var _canvas = void 0;\n\t  var _dragging = void 0;\n\t  var _decorator = void 0;\n\t  var _range = {};\n\t\n\t  var _self = this;\n\t  var _handler = new _slick2.default.EventHandler();\n\t  var _defaults = {\n\t    selectionCss: {\n\t      // 'border': '2px dashed blue'\n\t    }\n\t  };\n\t\n\t  function init(grid) {\n\t    options = Object.assign({}, _defaults, options);\n\t    _decorator = new _slick4.default(grid, options);\n\t    _grid = grid;\n\t    _canvas = _grid.getCanvasNode();\n\t    _handler.subscribe(_grid.onDragInit, handleDragInit).subscribe(_grid.onDragStart, handleDragStart).subscribe(_grid.onDrag, handleDrag).subscribe(_grid.onDragEnd, handleDragEnd);\n\t  }\n\t\n\t  function destroy() {\n\t    _handler.unsubscribeAll();\n\t  }\n\t\n\t  function handleDragInit(e, dd) {\n\t    // prevent the grid from cancelling drag'n'drop by default\n\t    e.stopImmediatePropagation();\n\t  }\n\t\n\t  function handleDragStart(jqueryEvent, interactEvent) {\n\t    var cell = _grid.getCellFromEvent(interactEvent.originalEvent);\n\t    if (_self.onBeforeCellRangeSelected.notify(cell) !== false) {\n\t      if (_grid.canCellBeSelected(cell.row, cell.cell)) {\n\t        _dragging = true;\n\t        // jqueryEvent.stopImmediatePropagation();\n\t      }\n\t    }\n\t    if (!_dragging) {\n\t      return;\n\t    }\n\t\n\t    _grid.focus();\n\t\n\t    var start = _grid.getCellFromPoint(interactEvent.x0 - (0, _jquery2.default)(_canvas).offset().left, interactEvent.y0 - (0, _jquery2.default)(_canvas).offset().top);\n\t\n\t    _range = {\n\t      start: start,\n\t      end: {}\n\t    };\n\t\n\t    return _decorator.show(new _slick2.default.Range(start.row, start.cell));\n\t  }\n\t\n\t  function handleDrag(e, interactEvent) {\n\t    if (!_dragging) {\n\t      return;\n\t    }\n\t    // e.stopImmediatePropagation();\n\t\n\t    var end = _grid.getCellFromPoint(interactEvent.pageX - (0, _jquery2.default)(_canvas).offset().left, interactEvent.pageY - (0, _jquery2.default)(_canvas).offset().top);\n\t\n\t    if (!_grid.canCellBeSelected(end.row, end.cell)) {\n\t      return;\n\t    }\n\t\n\t    _range.end = end;\n\t    _decorator.show(new _slick2.default.Range(_range.start.row, _range.start.cell, end.row, end.cell));\n\t  }\n\t\n\t  function handleDragEnd(e) {\n\t    if (!_dragging) {\n\t      return;\n\t    }\n\t\n\t    _dragging = false;\n\t    // e.stopImmediatePropagation();\n\t\n\t    _decorator.hide();\n\t    _self.onCellRangeSelected.notify({\n\t      range: new _slick2.default.Range(_range.start.row, _range.start.cell, _range.end.row, _range.end.cell)\n\t    });\n\t    _range = {};\n\t  }\n\t\n\t  Object.assign(this, {\n\t    init: init,\n\t    destroy: destroy,\n\t\n\t    onBeforeCellRangeSelected: new _slick2.default.Event(),\n\t    onCellRangeSelected: new _slick2.default.Event()\n\t  });\n\t}\n\n/***/ }),\n/* 5 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tvar _typeof = typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; };\n\t\n\t/**\n\t * interact.js v1.2.6\n\t *\n\t * Copyright (c) 2012-2015 Taye Adeyemi <dev@taye.me>\n\t * Open source under the MIT License.\n\t * https://raw.github.com/taye/interact.js/master/LICENSE\n\t *\n\t * This file has been monkey patched to pass the originalEvent on to drag events\n\t */\n\t(function (realWindow) {\n\t  'use strict';\n\t\n\t  // return early if there's no window to work with (eg. Node.js)\n\t\n\t  if (!realWindow) {\n\t    return;\n\t  }\n\t\n\t  var // get wrapped window if using Shadow DOM polyfill\n\t  window = function () {\n\t    // create a TextNode\n\t    var el = realWindow.document.createTextNode('');\n\t\n\t    // check if it's wrapped by a polyfill\n\t    if (el.ownerDocument !== realWindow.document && typeof realWindow.wrap === 'function' && realWindow.wrap(el) === el) {\n\t      // return wrapped window\n\t      return realWindow.wrap(realWindow);\n\t    }\n\t\n\t    // no Shadow DOM polyfil or native implementation\n\t    return realWindow;\n\t  }(),\n\t      document = window.document,\n\t      DocumentFragment = window.DocumentFragment || blank,\n\t      SVGElement = window.SVGElement || blank,\n\t      SVGSVGElement = window.SVGSVGElement || blank,\n\t      SVGElementInstance = window.SVGElementInstance || blank,\n\t      HTMLElement = window.HTMLElement || window.Element,\n\t      PointerEvent = window.PointerEvent || window.MSPointerEvent,\n\t      pEventTypes,\n\t      hypot = Math.hypot || function (x, y) {\n\t    return Math.sqrt(x * x + y * y);\n\t  },\n\t      tmpXY = {},\n\t      // reduce object creation in getXY()\n\t\n\t  documents = [],\n\t      // all documents being listened to\n\t\n\t  interactables = [],\n\t      // all set interactables\n\t  interactions = [],\n\t      // all interactions\n\t\n\t  dynamicDrop = false,\n\t\n\t\n\t  // {\n\t  //      type: {\n\t  //          selectors: ['selector', ...],\n\t  //          contexts : [document, ...],\n\t  //          listeners: [[listener, useCapture], ...]\n\t  //      }\n\t  //  }\n\t  delegatedEvents = {},\n\t      defaultOptions = {\n\t    base: {\n\t      accept: null,\n\t      actionChecker: null,\n\t      styleCursor: true,\n\t      preventDefault: 'auto',\n\t      origin: { x: 0, y: 0 },\n\t      deltaSource: 'page',\n\t      allowFrom: null,\n\t      ignoreFrom: null,\n\t      _context: document,\n\t      dropChecker: null\n\t    },\n\t\n\t    drag: {\n\t      enabled: false,\n\t      manualStart: true,\n\t      max: Infinity,\n\t      maxPerElement: 1,\n\t\n\t      snap: null,\n\t      restrict: null,\n\t      inertia: null,\n\t      autoScroll: null,\n\t\n\t      axis: 'xy'\n\t    },\n\t\n\t    drop: {\n\t      enabled: false,\n\t      accept: null,\n\t      overlap: 'pointer'\n\t    },\n\t\n\t    resize: {\n\t      enabled: false,\n\t      manualStart: false,\n\t      max: Infinity,\n\t      maxPerElement: 1,\n\t\n\t      snap: null,\n\t      restrict: null,\n\t      inertia: null,\n\t      autoScroll: null,\n\t\n\t      square: false,\n\t      preserveAspectRatio: false,\n\t      axis: 'xy',\n\t\n\t      // use default margin\n\t      margin: NaN,\n\t\n\t      // object with props left, right, top, bottom which are\n\t      // true/false values to resize when the pointer is over that edge,\n\t      // CSS selectors to match the handles for each direction\n\t      // or the Elements for each handle\n\t      edges: null,\n\t\n\t      // a value of 'none' will limit the resize rect to a minimum of 0x0\n\t      // 'negate' will alow the rect to have negative width/height\n\t      // 'reposition' will keep the width/height positive by swapping\n\t      // the top and bottom edges and/or swapping the left and right edges\n\t      invert: 'none'\n\t    },\n\t\n\t    gesture: {\n\t      manualStart: false,\n\t      enabled: false,\n\t      max: Infinity,\n\t      maxPerElement: 1,\n\t\n\t      restrict: null\n\t    },\n\t\n\t    perAction: {\n\t      manualStart: false,\n\t      max: Infinity,\n\t      maxPerElement: 1,\n\t\n\t      snap: {\n\t        enabled: false,\n\t        endOnly: false,\n\t        range: Infinity,\n\t        targets: null,\n\t        offsets: null,\n\t\n\t        relativePoints: null\n\t      },\n\t\n\t      restrict: {\n\t        enabled: false,\n\t        endOnly: false\n\t      },\n\t\n\t      autoScroll: {\n\t        enabled: false,\n\t        container: null, // the item that is scrolled (Window or HTMLElement)\n\t        margin: 60,\n\t        speed: 300 // the scroll speed in pixels per second\n\t      },\n\t\n\t      inertia: {\n\t        enabled: false,\n\t        resistance: 10, // the lambda in exponential decay\n\t        minSpeed: 100, // target speed must be above this for inertia to start\n\t        endSpeed: 10, // the speed at which inertia is slow enough to stop\n\t        allowResume: true, // allow resuming an action in inertia phase\n\t        zeroResumeDelta: true, // if an action is resumed after launch, set dx/dy to 0\n\t        smoothEndDuration: 300 // animate to snap/restrict endOnly if there's no inertia\n\t      }\n\t    },\n\t\n\t    _holdDuration: 600\n\t  },\n\t\n\t\n\t  // Things related to autoScroll\n\t  autoScroll = {\n\t    interaction: null,\n\t    i: null, // the handle returned by window.setInterval\n\t    x: 0, y: 0, // Direction each pulse is to scroll in\n\t\n\t    // scroll the window by the values in scroll.x/y\n\t    scroll: function scroll() {\n\t      var options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll,\n\t          container = options.container || getWindow(autoScroll.interaction.element),\n\t          now = new Date().getTime(),\n\t\n\t      // change in time in seconds\n\t      dtx = (now - autoScroll.prevTimeX) / 1000,\n\t          dty = (now - autoScroll.prevTimeY) / 1000,\n\t          vx,\n\t          vy,\n\t          sx,\n\t          sy;\n\t\n\t      // displacement\n\t      if (options.velocity) {\n\t        vx = options.velocity.x;\n\t        vy = options.velocity.y;\n\t      } else {\n\t        vx = vy = options.speed;\n\t      }\n\t\n\t      sx = vx * dtx;\n\t      sy = vy * dty;\n\t\n\t      if (sx >= 1 || sy >= 1) {\n\t        if (isWindow(container)) {\n\t          container.scrollBy(autoScroll.x * sx, autoScroll.y * sy);\n\t        } else if (container) {\n\t          container.scrollLeft += autoScroll.x * sx;\n\t          container.scrollTop += autoScroll.y * sy;\n\t        }\n\t\n\t        if (sx >= 1) autoScroll.prevTimeX = now;\n\t        if (sy >= 1) autoScroll.prevTimeY = now;\n\t      }\n\t\n\t      if (autoScroll.isScrolling) {\n\t        cancelFrame(autoScroll.i);\n\t        autoScroll.i = reqFrame(autoScroll.scroll);\n\t      }\n\t    },\n\t\n\t    isScrolling: false,\n\t    prevTimeX: 0,\n\t    prevTimeY: 0,\n\t\n\t    start: function start(interaction) {\n\t      autoScroll.isScrolling = true;\n\t      cancelFrame(autoScroll.i);\n\t\n\t      autoScroll.interaction = interaction;\n\t      autoScroll.prevTimeX = new Date().getTime();\n\t      autoScroll.prevTimeY = new Date().getTime();\n\t      autoScroll.i = reqFrame(autoScroll.scroll);\n\t    },\n\t\n\t    stop: function stop() {\n\t      autoScroll.isScrolling = false;\n\t      cancelFrame(autoScroll.i);\n\t    }\n\t  },\n\t\n\t\n\t  // Does the browser support touch input?\n\t  supportsTouch = 'ontouchstart' in window || window.DocumentTouch && document instanceof window.DocumentTouch,\n\t\n\t\n\t  // Does the browser support PointerEvents\n\t  supportsPointerEvent = PointerEvent && !/Chrome/.test(navigator.userAgent),\n\t\n\t\n\t  // Less Precision with touch input\n\t  margin = supportsTouch || supportsPointerEvent ? 20 : 10,\n\t      pointerMoveTolerance = 1,\n\t\n\t\n\t  // for ignoring browser's simulated mouse events\n\t  prevTouchTime = 0,\n\t\n\t\n\t  // Allow this many interactions to happen simultaneously\n\t  maxInteractions = Infinity,\n\t\n\t\n\t  // Check if is IE9 or older\n\t  actionCursors = document.all && !window.atob ? {\n\t    drag: 'move',\n\t    resizex: 'e-resize',\n\t    resizey: 's-resize',\n\t    resizexy: 'se-resize',\n\t\n\t    resizetop: 'n-resize',\n\t    resizeleft: 'w-resize',\n\t    resizebottom: 's-resize',\n\t    resizeright: 'e-resize',\n\t    resizetopleft: 'se-resize',\n\t    resizebottomright: 'se-resize',\n\t    resizetopright: 'ne-resize',\n\t    resizebottomleft: 'ne-resize',\n\t\n\t    gesture: ''\n\t  } : {\n\t    drag: 'move',\n\t    resizex: 'ew-resize',\n\t    resizey: 'ns-resize',\n\t    resizexy: 'nwse-resize',\n\t\n\t    resizetop: 'ns-resize',\n\t    resizeleft: 'ew-resize',\n\t    resizebottom: 'ns-resize',\n\t    resizeright: 'ew-resize',\n\t    resizetopleft: 'nwse-resize',\n\t    resizebottomright: 'nwse-resize',\n\t    resizetopright: 'nesw-resize',\n\t    resizebottomleft: 'nesw-resize',\n\t\n\t    gesture: ''\n\t  },\n\t      actionIsEnabled = {\n\t    drag: true,\n\t    resize: true,\n\t    gesture: true\n\t  },\n\t\n\t\n\t  // because Webkit and Opera still use 'mousewheel' event type\n\t  wheelEvent = 'onmousewheel' in document ? 'mousewheel' : 'wheel',\n\t      eventTypes = ['dragstart', 'dragmove', 'draginertiastart', 'dragend', 'dragenter', 'dragleave', 'dropactivate', 'dropdeactivate', 'dropmove', 'drop', 'resizestart', 'resizemove', 'resizeinertiastart', 'resizeend', 'gesturestart', 'gesturemove', 'gestureinertiastart', 'gestureend', 'down', 'move', 'up', 'cancel', 'tap', 'doubletap', 'hold'],\n\t      globalEvents = {},\n\t\n\t\n\t  // Opera Mobile must be handled differently\n\t  isOperaMobile = navigator.appName == 'Opera' && supportsTouch && navigator.userAgent.match('Presto'),\n\t\n\t\n\t  // scrolling doesn't change the result of getClientRects on iOS 7\n\t  isIOS7 = /iP(hone|od|ad)/.test(navigator.platform) && /OS 7[^\\d]/.test(navigator.appVersion),\n\t\n\t\n\t  // prefix matchesSelector\n\t  prefixedMatchesSelector = 'matches' in Element.prototype ? 'matches' : 'webkitMatchesSelector' in Element.prototype ? 'webkitMatchesSelector' : 'mozMatchesSelector' in Element.prototype ? 'mozMatchesSelector' : 'oMatchesSelector' in Element.prototype ? 'oMatchesSelector' : 'msMatchesSelector',\n\t\n\t\n\t  // will be polyfill function if browser is IE8\n\t  ie8MatchesSelector,\n\t\n\t\n\t  // native requestAnimationFrame or polyfill\n\t  reqFrame = realWindow.requestAnimationFrame,\n\t      cancelFrame = realWindow.cancelAnimationFrame,\n\t\n\t\n\t  // Events wrapper\n\t  events = function () {\n\t    var useAttachEvent = 'attachEvent' in window && !('addEventListener' in window),\n\t        addEvent = useAttachEvent ? 'attachEvent' : 'addEventListener',\n\t        removeEvent = useAttachEvent ? 'detachEvent' : 'removeEventListener',\n\t        on = useAttachEvent ? 'on' : '',\n\t        elements = [],\n\t        targets = [],\n\t        attachedListeners = [];\n\t\n\t    function add(element, type, listener, useCapture) {\n\t      var elementIndex = indexOf(elements, element),\n\t          target = targets[elementIndex];\n\t\n\t      if (!target) {\n\t        target = {\n\t          events: {},\n\t          typeCount: 0\n\t        };\n\t\n\t        elementIndex = elements.push(element) - 1;\n\t        targets.push(target);\n\t\n\t        attachedListeners.push(useAttachEvent ? {\n\t          supplied: [],\n\t          wrapped: [],\n\t          useCount: []\n\t        } : null);\n\t      }\n\t\n\t      if (!target.events[type]) {\n\t        target.events[type] = [];\n\t        target.typeCount++;\n\t      }\n\t\n\t      if (!contains(target.events[type], listener)) {\n\t        var ret;\n\t\n\t        if (useAttachEvent) {\n\t          var listeners = attachedListeners[elementIndex],\n\t              listenerIndex = indexOf(listeners.supplied, listener);\n\t\n\t          var wrapped = listeners.wrapped[listenerIndex] || function (event) {\n\t            if (!event.immediatePropagationStopped) {\n\t              event.target = event.srcElement;\n\t              event.currentTarget = element;\n\t\n\t              event.preventDefault = event.preventDefault || preventDef;\n\t              event.stopPropagation = event.stopPropagation || stopProp;\n\t              event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\t\n\t              if (/mouse|click/.test(event.type)) {\n\t                event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n\t                event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n\t              }\n\t\n\t              listener(event);\n\t            }\n\t          };\n\t\n\t          ret = element[addEvent](on + type, wrapped, Boolean(useCapture));\n\t\n\t          if (listenerIndex === -1) {\n\t            listeners.supplied.push(listener);\n\t            listeners.wrapped.push(wrapped);\n\t            listeners.useCount.push(1);\n\t          } else {\n\t            listeners.useCount[listenerIndex]++;\n\t          }\n\t        } else {\n\t          ret = element[addEvent](type, listener, useCapture || false);\n\t        }\n\t        target.events[type].push(listener);\n\t\n\t        return ret;\n\t      }\n\t    }\n\t\n\t    function remove(element, type, listener, useCapture) {\n\t      var i,\n\t          elementIndex = indexOf(elements, element),\n\t          target = targets[elementIndex],\n\t          listeners,\n\t          listenerIndex,\n\t          wrapped = listener;\n\t\n\t      if (!target || !target.events) {\n\t        return;\n\t      }\n\t\n\t      if (useAttachEvent) {\n\t        listeners = attachedListeners[elementIndex];\n\t        listenerIndex = indexOf(listeners.supplied, listener);\n\t        wrapped = listeners.wrapped[listenerIndex];\n\t      }\n\t\n\t      if (type === 'all') {\n\t        for (type in target.events) {\n\t          if (target.events.hasOwnProperty(type)) {\n\t            remove(element, type, 'all');\n\t          }\n\t        }\n\t        return;\n\t      }\n\t\n\t      if (target.events[type]) {\n\t        var len = target.events[type].length;\n\t\n\t        if (listener === 'all') {\n\t          for (i = 0; i < len; i++) {\n\t            remove(element, type, target.events[type][i], Boolean(useCapture));\n\t          }\n\t          return;\n\t        } else {\n\t          for (i = 0; i < len; i++) {\n\t            if (target.events[type][i] === listener) {\n\t              element[removeEvent](on + type, wrapped, useCapture || false);\n\t              target.events[type].splice(i, 1);\n\t\n\t              if (useAttachEvent && listeners) {\n\t                listeners.useCount[listenerIndex]--;\n\t                if (listeners.useCount[listenerIndex] === 0) {\n\t                  listeners.supplied.splice(listenerIndex, 1);\n\t                  listeners.wrapped.splice(listenerIndex, 1);\n\t                  listeners.useCount.splice(listenerIndex, 1);\n\t                }\n\t              }\n\t\n\t              break;\n\t            }\n\t          }\n\t        }\n\t\n\t        if (target.events[type] && target.events[type].length === 0) {\n\t          target.events[type] = null;\n\t          target.typeCount--;\n\t        }\n\t      }\n\t\n\t      if (!target.typeCount) {\n\t        targets.splice(elementIndex, 1);\n\t        elements.splice(elementIndex, 1);\n\t        attachedListeners.splice(elementIndex, 1);\n\t      }\n\t    }\n\t\n\t    function preventDef() {\n\t      this.returnValue = false;\n\t    }\n\t\n\t    function stopProp() {\n\t      this.cancelBubble = true;\n\t    }\n\t\n\t    function stopImmProp() {\n\t      this.cancelBubble = true;\n\t      this.immediatePropagationStopped = true;\n\t    }\n\t\n\t    return {\n\t      add: add,\n\t      remove: remove,\n\t      useAttachEvent: useAttachEvent,\n\t\n\t      _elements: elements,\n\t      _targets: targets,\n\t      _attachedListeners: attachedListeners\n\t    };\n\t  }();\n\t\n\t  function blank() {}\n\t\n\t  function isElement(o) {\n\t    if (!o || (typeof o === 'undefined' ? 'undefined' : _typeof(o)) !== 'object') {\n\t      return false;\n\t    }\n\t\n\t    var _window = getWindow(o) || window;\n\t\n\t    return (/object|function/.test(_typeof(_window.Element)) ? o instanceof _window.Element // DOM2\n\t      : o.nodeType === 1 && typeof o.nodeName === 'string'\n\t    );\n\t  }\n\t  function isWindow(thing) {\n\t    return thing === window || !!(thing && thing.Window) && thing instanceof thing.Window;\n\t  }\n\t  function isDocFrag(thing) {\n\t    return !!thing && thing instanceof DocumentFragment;\n\t  }\n\t  function isArray(thing) {\n\t    return isObject(thing) && _typeof(thing.length) !== undefined && isFunction(thing.splice);\n\t  }\n\t  function isObject(thing) {\n\t    return !!thing && (typeof thing === 'undefined' ? 'undefined' : _typeof(thing)) === 'object';\n\t  }\n\t  function isFunction(thing) {\n\t    return typeof thing === 'function';\n\t  }\n\t  function isNumber(thing) {\n\t    return typeof thing === 'number';\n\t  }\n\t  function isBool(thing) {\n\t    return typeof thing === 'boolean';\n\t  }\n\t  function isString(thing) {\n\t    return typeof thing === 'string';\n\t  }\n\t\n\t  function trySelector(value) {\n\t    if (!isString(value)) {\n\t      return false;\n\t    }\n\t\n\t    // an exception will be raised if it is invalid\n\t    document.querySelector(value);\n\t    return true;\n\t  }\n\t\n\t  function extend(dest, source) {\n\t    for (var prop in source) {\n\t      dest[prop] = source[prop];\n\t    }\n\t    return dest;\n\t  }\n\t\n\t  var prefixedPropREs = {\n\t    webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/\n\t  };\n\t\n\t  function pointerExtend(dest, source) {\n\t    for (var prop in source) {\n\t      var deprecated = false;\n\t\n\t      // skip deprecated prefixed properties\n\t      for (var vendor in prefixedPropREs) {\n\t        if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n\t          deprecated = true;\n\t          break;\n\t        }\n\t      }\n\t\n\t      if (!deprecated) {\n\t        dest[prop] = source[prop];\n\t      }\n\t    }\n\t    return dest;\n\t  }\n\t\n\t  function copyCoords(dest, src) {\n\t    dest.page = dest.page || {};\n\t    dest.page.x = src.page.x;\n\t    dest.page.y = src.page.y;\n\t\n\t    dest.client = dest.client || {};\n\t    dest.client.x = src.client.x;\n\t    dest.client.y = src.client.y;\n\t\n\t    dest.timeStamp = src.timeStamp;\n\t  }\n\t\n\t  function _setEventXY(targetObj, pointers, interaction) {\n\t    var pointer = pointers.length > 1 ? pointerAverage(pointers) : pointers[0];\n\t\n\t    _getPageXY(pointer, tmpXY, interaction);\n\t    targetObj.page.x = tmpXY.x;\n\t    targetObj.page.y = tmpXY.y;\n\t\n\t    _getClientXY(pointer, tmpXY, interaction);\n\t    targetObj.client.x = tmpXY.x;\n\t    targetObj.client.y = tmpXY.y;\n\t\n\t    targetObj.timeStamp = new Date().getTime();\n\t  }\n\t\n\t  function setEventDeltas(targetObj, prev, cur) {\n\t    targetObj.page.x = cur.page.x - prev.page.x;\n\t    targetObj.page.y = cur.page.y - prev.page.y;\n\t    targetObj.client.x = cur.client.x - prev.client.x;\n\t    targetObj.client.y = cur.client.y - prev.client.y;\n\t    targetObj.timeStamp = new Date().getTime() - prev.timeStamp;\n\t\n\t    // set pointer velocity\n\t    var dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\t    targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n\t    targetObj.page.vx = targetObj.page.x / dt;\n\t    targetObj.page.vy = targetObj.page.y / dt;\n\t\n\t    targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n\t    targetObj.client.vx = targetObj.client.x / dt;\n\t    targetObj.client.vy = targetObj.client.y / dt;\n\t  }\n\t\n\t  function isNativePointer(pointer) {\n\t    return pointer instanceof window.Event || supportsTouch && window.Touch && pointer instanceof window.Touch;\n\t  }\n\t\n\t  // Get specified X/Y coords for mouse or event.touches[0]\n\t  function getXY(type, pointer, xy) {\n\t    xy = xy || {};\n\t    type = type || 'page';\n\t\n\t    xy.x = pointer[type + 'X'];\n\t    xy.y = pointer[type + 'Y'];\n\t\n\t    return xy;\n\t  }\n\t\n\t  function _getPageXY(pointer, page) {\n\t    page = page || {};\n\t\n\t    // Opera Mobile handles the viewport and scrolling oddly\n\t    if (isOperaMobile && isNativePointer(pointer)) {\n\t      getXY('screen', pointer, page);\n\t\n\t      page.x += window.scrollX;\n\t      page.y += window.scrollY;\n\t    } else {\n\t      getXY('page', pointer, page);\n\t    }\n\t\n\t    return page;\n\t  }\n\t\n\t  function _getClientXY(pointer, client) {\n\t    client = client || {};\n\t\n\t    if (isOperaMobile && isNativePointer(pointer)) {\n\t      // Opera Mobile handles the viewport and scrolling oddly\n\t      getXY('screen', pointer, client);\n\t    } else {\n\t      getXY('client', pointer, client);\n\t    }\n\t\n\t    return client;\n\t  }\n\t\n\t  function getScrollXY(win) {\n\t    win = win || window;\n\t    return {\n\t      x: win.scrollX || win.document.documentElement.scrollLeft,\n\t      y: win.scrollY || win.document.documentElement.scrollTop\n\t    };\n\t  }\n\t\n\t  function getPointerId(pointer) {\n\t    return isNumber(pointer.pointerId) ? pointer.pointerId : pointer.identifier;\n\t  }\n\t\n\t  function getActualElement(element) {\n\t    return element instanceof SVGElementInstance ? element.correspondingUseElement : element;\n\t  }\n\t\n\t  function getWindow(node) {\n\t    if (isWindow(node)) {\n\t      return node;\n\t    }\n\t\n\t    var rootNode = node.ownerDocument || node;\n\t\n\t    return rootNode.defaultView || rootNode.parentWindow || window;\n\t  }\n\t\n\t  function getElementClientRect(element) {\n\t    var clientRect = element instanceof SVGElement ? element.getBoundingClientRect() : element.getClientRects()[0];\n\t\n\t    return clientRect && {\n\t      left: clientRect.left,\n\t      right: clientRect.right,\n\t      top: clientRect.top,\n\t      bottom: clientRect.bottom,\n\t      width: clientRect.width || clientRect.right - clientRect.left,\n\t      height: clientRect.height || clientRect.bottom - clientRect.top\n\t    };\n\t  }\n\t\n\t  function getElementRect(element) {\n\t    var clientRect = getElementClientRect(element);\n\t\n\t    if (!isIOS7 && clientRect) {\n\t      var scroll = getScrollXY(getWindow(element));\n\t\n\t      clientRect.left += scroll.x;\n\t      clientRect.right += scroll.x;\n\t      clientRect.top += scroll.y;\n\t      clientRect.bottom += scroll.y;\n\t    }\n\t\n\t    return clientRect;\n\t  }\n\t\n\t  function getTouchPair(event) {\n\t    var touches = [];\n\t\n\t    // array of touches is supplied\n\t    if (isArray(event)) {\n\t      touches[0] = event[0];\n\t      touches[1] = event[1];\n\t    }\n\t    // an event\n\t    else {\n\t        if (event.type === 'touchend') {\n\t          if (event.touches.length === 1) {\n\t            touches[0] = event.touches[0];\n\t            touches[1] = event.changedTouches[0];\n\t          } else if (event.touches.length === 0) {\n\t            touches[0] = event.changedTouches[0];\n\t            touches[1] = event.changedTouches[1];\n\t          }\n\t        } else {\n\t          touches[0] = event.touches[0];\n\t          touches[1] = event.touches[1];\n\t        }\n\t      }\n\t\n\t    return touches;\n\t  }\n\t\n\t  function pointerAverage(pointers) {\n\t    var average = {\n\t      pageX: 0,\n\t      pageY: 0,\n\t      clientX: 0,\n\t      clientY: 0,\n\t      screenX: 0,\n\t      screenY: 0\n\t    };\n\t    var prop;\n\t\n\t    for (var i = 0; i < pointers.length; i++) {\n\t      for (prop in average) {\n\t        average[prop] += pointers[i][prop];\n\t      }\n\t    }\n\t    for (prop in average) {\n\t      average[prop] /= pointers.length;\n\t    }\n\t\n\t    return average;\n\t  }\n\t\n\t  function touchBBox(event) {\n\t    if (!event.length && !(event.touches && event.touches.length > 1)) {\n\t      return;\n\t    }\n\t\n\t    var touches = getTouchPair(event),\n\t        minX = Math.min(touches[0].pageX, touches[1].pageX),\n\t        minY = Math.min(touches[0].pageY, touches[1].pageY),\n\t        maxX = Math.max(touches[0].pageX, touches[1].pageX),\n\t        maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\t\n\t    return {\n\t      x: minX,\n\t      y: minY,\n\t      left: minX,\n\t      top: minY,\n\t      width: maxX - minX,\n\t      height: maxY - minY\n\t    };\n\t  }\n\t\n\t  function touchDistance(event, deltaSource) {\n\t    deltaSource = deltaSource || defaultOptions.deltaSource;\n\t\n\t    var sourceX = deltaSource + 'X',\n\t        sourceY = deltaSource + 'Y',\n\t        touches = getTouchPair(event);\n\t\n\t    var dx = touches[0][sourceX] - touches[1][sourceX],\n\t        dy = touches[0][sourceY] - touches[1][sourceY];\n\t\n\t    return hypot(dx, dy);\n\t  }\n\t\n\t  function touchAngle(event, prevAngle, deltaSource) {\n\t    deltaSource = deltaSource || defaultOptions.deltaSource;\n\t\n\t    var sourceX = deltaSource + 'X',\n\t        sourceY = deltaSource + 'Y',\n\t        touches = getTouchPair(event),\n\t        dx = touches[0][sourceX] - touches[1][sourceX],\n\t        dy = touches[0][sourceY] - touches[1][sourceY],\n\t        angle = 180 * Math.atan(dy / dx) / Math.PI;\n\t\n\t    if (isNumber(prevAngle)) {\n\t      var dr = angle - prevAngle,\n\t          drClamped = dr % 360;\n\t\n\t      if (drClamped > 315) {\n\t        angle -= 360 + angle / 360 | 0 * 360;\n\t      } else if (drClamped > 135) {\n\t        angle -= 180 + angle / 360 | 0 * 360;\n\t      } else if (drClamped < -315) {\n\t        angle += 360 + angle / 360 | 0 * 360;\n\t      } else if (drClamped < -135) {\n\t        angle += 180 + angle / 360 | 0 * 360;\n\t      }\n\t    }\n\t\n\t    return angle;\n\t  }\n\t\n\t  function getOriginXY(interactable, element) {\n\t    var origin = interactable ? interactable.options.origin : defaultOptions.origin;\n\t\n\t    if (origin === 'parent') {\n\t      origin = parentElement(element);\n\t    } else if (origin === 'self') {\n\t      origin = interactable.getRect(element);\n\t    } else if (trySelector(origin)) {\n\t      origin = closest(element, origin) || { x: 0, y: 0 };\n\t    }\n\t\n\t    if (isFunction(origin)) {\n\t      origin = origin(interactable && element);\n\t    }\n\t\n\t    if (isElement(origin)) {\n\t      origin = getElementRect(origin);\n\t    }\n\t\n\t    origin.x = 'x' in origin ? origin.x : origin.left;\n\t    origin.y = 'y' in origin ? origin.y : origin.top;\n\t\n\t    return origin;\n\t  }\n\t\n\t  // http://stackoverflow.com/a/5634528/2280888\n\t  function _getQBezierValue(t, p1, p2, p3) {\n\t    var iT = 1 - t;\n\t    return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n\t  }\n\t\n\t  function getQuadraticCurvePoint(startX, startY, cpX, cpY, endX, endY, position) {\n\t    return {\n\t      x: _getQBezierValue(position, startX, cpX, endX),\n\t      y: _getQBezierValue(position, startY, cpY, endY)\n\t    };\n\t  }\n\t\n\t  // http://gizma.com/easing/\n\t  function easeOutQuad(t, b, c, d) {\n\t    t /= d;\n\t    return -c * t * (t - 2) + b;\n\t  }\n\t\n\t  function nodeContains(parent, child) {\n\t    while (child) {\n\t      if (child === parent) {\n\t        return true;\n\t      }\n\t\n\t      child = child.parentNode;\n\t    }\n\t\n\t    return false;\n\t  }\n\t\n\t  function closest(child, selector) {\n\t    var parent = parentElement(child);\n\t\n\t    while (isElement(parent)) {\n\t      if (matchesSelector(parent, selector)) {\n\t        return parent;\n\t      }\n\t\n\t      parent = parentElement(parent);\n\t    }\n\t\n\t    return null;\n\t  }\n\t\n\t  function parentElement(node) {\n\t    var parent = node.parentNode;\n\t\n\t    if (isDocFrag(parent)) {\n\t      // skip past #shado-root fragments\n\t      while ((parent = parent.host) && isDocFrag(parent)) {}\n\t\n\t      return parent;\n\t    }\n\t\n\t    return parent;\n\t  }\n\t\n\t  function inContext(interactable, element) {\n\t    return interactable._context === element.ownerDocument || nodeContains(interactable._context, element);\n\t  }\n\t\n\t  function testIgnore(interactable, interactableElement, element) {\n\t    var ignoreFrom = interactable.options.ignoreFrom;\n\t\n\t    if (!ignoreFrom || !isElement(element)) {\n\t      return false;\n\t    }\n\t\n\t    if (isString(ignoreFrom)) {\n\t      return matchesUpTo(element, ignoreFrom, interactableElement);\n\t    } else if (isElement(ignoreFrom)) {\n\t      return nodeContains(ignoreFrom, element);\n\t    }\n\t\n\t    return false;\n\t  }\n\t\n\t  function testAllow(interactable, interactableElement, element) {\n\t    var allowFrom = interactable.options.allowFrom;\n\t\n\t    if (!allowFrom) {\n\t      return true;\n\t    }\n\t\n\t    if (!isElement(element)) {\n\t      return false;\n\t    }\n\t\n\t    if (isString(allowFrom)) {\n\t      return matchesUpTo(element, allowFrom, interactableElement);\n\t    } else if (isElement(allowFrom)) {\n\t      return nodeContains(allowFrom, element);\n\t    }\n\t\n\t    return false;\n\t  }\n\t\n\t  function checkAxis(axis, interactable) {\n\t    if (!interactable) {\n\t      return false;\n\t    }\n\t\n\t    var thisAxis = interactable.options.drag.axis;\n\t\n\t    return axis === 'xy' || thisAxis === 'xy' || thisAxis === axis;\n\t  }\n\t\n\t  function checkSnap(interactable, action) {\n\t    var options = interactable.options;\n\t\n\t    if (/^resize/.test(action)) {\n\t      action = 'resize';\n\t    }\n\t\n\t    return options[action].snap && options[action].snap.enabled;\n\t  }\n\t\n\t  function checkRestrict(interactable, action) {\n\t    var options = interactable.options;\n\t\n\t    if (/^resize/.test(action)) {\n\t      action = 'resize';\n\t    }\n\t\n\t    return options[action].restrict && options[action].restrict.enabled;\n\t  }\n\t\n\t  function checkAutoScroll(interactable, action) {\n\t    var options = interactable.options;\n\t\n\t    if (/^resize/.test(action)) {\n\t      action = 'resize';\n\t    }\n\t\n\t    return options[action].autoScroll && options[action].autoScroll.enabled;\n\t  }\n\t\n\t  function withinInteractionLimit(interactable, element, action) {\n\t    var options = interactable.options,\n\t        maxActions = options[action.name].max,\n\t        maxPerElement = options[action.name].maxPerElement,\n\t        activeInteractions = 0,\n\t        targetCount = 0,\n\t        targetElementCount = 0;\n\t\n\t    for (var i = 0, len = interactions.length; i < len; i++) {\n\t      var interaction = interactions[i],\n\t          otherAction = interaction.prepared.name,\n\t          active = interaction.interacting();\n\t\n\t      if (!active) {\n\t        continue;\n\t      }\n\t\n\t      activeInteractions++;\n\t\n\t      if (activeInteractions >= maxInteractions) {\n\t        return false;\n\t      }\n\t\n\t      if (interaction.target !== interactable) {\n\t        continue;\n\t      }\n\t\n\t      targetCount += otherAction === action.name | 0;\n\t\n\t      if (targetCount >= maxActions) {\n\t        return false;\n\t      }\n\t\n\t      if (interaction.element === element) {\n\t        targetElementCount++;\n\t\n\t        if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n\t          return false;\n\t        }\n\t      }\n\t    }\n\t\n\t    return maxInteractions > 0;\n\t  }\n\t\n\t  // Test for the element that's \"above\" all other qualifiers\n\t  function indexOfDeepestElement(elements) {\n\t    var dropzone,\n\t        deepestZone = elements[0],\n\t        index = deepestZone ? 0 : -1,\n\t        parent,\n\t        deepestZoneParents = [],\n\t        dropzoneParents = [],\n\t        child,\n\t        i,\n\t        n;\n\t\n\t    for (i = 1; i < elements.length; i++) {\n\t      dropzone = elements[i];\n\t\n\t      // an element might belong to multiple selector dropzones\n\t      if (!dropzone || dropzone === deepestZone) {\n\t        continue;\n\t      }\n\t\n\t      if (!deepestZone) {\n\t        deepestZone = dropzone;\n\t        index = i;\n\t        continue;\n\t      }\n\t\n\t      // check if the deepest or current are document.documentElement or document.rootElement\n\t      // - if the current dropzone is, do nothing and continue\n\t      if (dropzone.parentNode === dropzone.ownerDocument) {\n\t        continue;\n\t      }\n\t      // - if deepest is, update with the current dropzone and continue to next\n\t      else if (deepestZone.parentNode === dropzone.ownerDocument) {\n\t          deepestZone = dropzone;\n\t          index = i;\n\t          continue;\n\t        }\n\t\n\t      if (!deepestZoneParents.length) {\n\t        parent = deepestZone;\n\t        while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n\t          deepestZoneParents.unshift(parent);\n\t          parent = parent.parentNode;\n\t        }\n\t      }\n\t\n\t      // if this element is an svg element and the current deepest is\n\t      // an HTMLElement\n\t      if (deepestZone instanceof HTMLElement && dropzone instanceof SVGElement && !(dropzone instanceof SVGSVGElement)) {\n\t        if (dropzone === deepestZone.parentNode) {\n\t          continue;\n\t        }\n\t\n\t        parent = dropzone.ownerSVGElement;\n\t      } else {\n\t        parent = dropzone;\n\t      }\n\t\n\t      dropzoneParents = [];\n\t\n\t      while (parent.parentNode !== parent.ownerDocument) {\n\t        dropzoneParents.unshift(parent);\n\t        parent = parent.parentNode;\n\t      }\n\t\n\t      n = 0;\n\t\n\t      // get (position of last common ancestor) + 1\n\t      while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n\t        n++;\n\t      }\n\t\n\t      var parents = [dropzoneParents[n - 1], dropzoneParents[n], deepestZoneParents[n]];\n\t\n\t      child = parents[0].lastChild;\n\t\n\t      while (child) {\n\t        if (child === parents[1]) {\n\t          deepestZone = dropzone;\n\t          index = i;\n\t          deepestZoneParents = [];\n\t\n\t          break;\n\t        } else if (child === parents[2]) {\n\t          break;\n\t        }\n\t\n\t        child = child.previousSibling;\n\t      }\n\t    }\n\t\n\t    return index;\n\t  }\n\t\n\t  function Interaction() {\n\t    this.target = null; // current interactable being interacted with\n\t    this.element = null; // the target element of the interactable\n\t    this.dropTarget = null; // the dropzone a drag target might be dropped into\n\t    this.dropElement = null; // the element at the time of checking\n\t    this.prevDropTarget = null; // the dropzone that was recently dragged away from\n\t    this.prevDropElement = null; // the element at the time of checking\n\t\n\t    this.prepared = { // action that's ready to be fired on next move event\n\t      name: null,\n\t      axis: null,\n\t      edges: null\n\t    };\n\t\n\t    this.matches = []; // all selectors that are matched by target element\n\t    this.matchElements = []; // corresponding elements\n\t\n\t    this.inertiaStatus = {\n\t      active: false,\n\t      smoothEnd: false,\n\t      ending: false,\n\t\n\t      startEvent: null,\n\t      upCoords: {},\n\t\n\t      xe: 0, ye: 0,\n\t      sx: 0, sy: 0,\n\t\n\t      t0: 0,\n\t      vx0: 0, vys: 0,\n\t      duration: 0,\n\t\n\t      resumeDx: 0,\n\t      resumeDy: 0,\n\t\n\t      lambda_v0: 0,\n\t      one_ve_v0: 0,\n\t      i: null\n\t    };\n\t\n\t    if (isFunction(Function.prototype.bind)) {\n\t      this.boundInertiaFrame = this.inertiaFrame.bind(this);\n\t      this.boundSmoothEndFrame = this.smoothEndFrame.bind(this);\n\t    } else {\n\t      var that = this;\n\t\n\t      this.boundInertiaFrame = function () {\n\t        return that.inertiaFrame();\n\t      };\n\t      this.boundSmoothEndFrame = function () {\n\t        return that.smoothEndFrame();\n\t      };\n\t    }\n\t\n\t    this.activeDrops = {\n\t      dropzones: [], // the dropzones that are mentioned below\n\t      elements: [], // elements of dropzones that accept the target draggable\n\t      rects: [] // the rects of the elements mentioned above\n\t    };\n\t\n\t    // keep track of added pointers\n\t    this.pointers = [];\n\t    this.pointerIds = [];\n\t    this.downTargets = [];\n\t    this.downTimes = [];\n\t    this.holdTimers = [];\n\t\n\t    // Previous native pointer move event coordinates\n\t    this.prevCoords = {\n\t      page: { x: 0, y: 0 },\n\t      client: { x: 0, y: 0 },\n\t      timeStamp: 0\n\t    };\n\t    // current native pointer move event coordinates\n\t    this.curCoords = {\n\t      page: { x: 0, y: 0 },\n\t      client: { x: 0, y: 0 },\n\t      timeStamp: 0\n\t    };\n\t\n\t    // Starting InteractEvent pointer coordinates\n\t    this.startCoords = {\n\t      page: { x: 0, y: 0 },\n\t      client: { x: 0, y: 0 },\n\t      timeStamp: 0\n\t    };\n\t\n\t    // Change in coordinates and time of the pointer\n\t    this.pointerDelta = {\n\t      page: { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n\t      client: { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n\t      timeStamp: 0\n\t    };\n\t\n\t    this.downEvent = null; // pointerdown/mousedown/touchstart event\n\t    this.downPointer = {};\n\t\n\t    this._eventTarget = null;\n\t    this._curEventTarget = null;\n\t\n\t    this.prevEvent = null; // previous action event\n\t    this.tapTime = 0; // time of the most recent tap event\n\t    this.prevTap = null;\n\t\n\t    this.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n\t    this.restrictOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n\t    this.snapOffsets = [];\n\t\n\t    this.gesture = {\n\t      start: { x: 0, y: 0 },\n\t\n\t      startDistance: 0, // distance between two touches of touchStart\n\t      prevDistance: 0,\n\t      distance: 0,\n\t\n\t      scale: 1, // gesture.distance / gesture.startDistance\n\t\n\t      startAngle: 0, // angle of line joining two touches\n\t      prevAngle: 0 // angle of the previous gesture event\n\t    };\n\t\n\t    this.snapStatus = {\n\t      x: 0, y: 0,\n\t      dx: 0, dy: 0,\n\t      realX: 0, realY: 0,\n\t      snappedX: 0, snappedY: 0,\n\t      targets: [],\n\t      locked: false,\n\t      changed: false\n\t    };\n\t\n\t    this.restrictStatus = {\n\t      dx: 0, dy: 0,\n\t      restrictedX: 0, restrictedY: 0,\n\t      snap: null,\n\t      restricted: false,\n\t      changed: false\n\t    };\n\t\n\t    this.restrictStatus.snap = this.snapStatus;\n\t\n\t    this.pointerIsDown = false;\n\t    this.pointerWasMoved = false;\n\t    this.gesturing = false;\n\t    this.dragging = false;\n\t    this.resizing = false;\n\t    this.resizeAxes = 'xy';\n\t\n\t    this.mouse = false;\n\t\n\t    interactions.push(this);\n\t  }\n\t\n\t  Interaction.prototype = {\n\t    getPageXY: function getPageXY(pointer, xy) {\n\t      return _getPageXY(pointer, xy, this);\n\t    },\n\t    getClientXY: function getClientXY(pointer, xy) {\n\t      return _getClientXY(pointer, xy, this);\n\t    },\n\t    setEventXY: function setEventXY(target, ptr) {\n\t      return _setEventXY(target, ptr, this);\n\t    },\n\t\n\t    pointerOver: function pointerOver(pointer, event, eventTarget) {\n\t      if (this.prepared.name || !this.mouse) {\n\t        return;\n\t      }\n\t\n\t      var curMatches = [],\n\t          curMatchElements = [],\n\t          prevTargetElement = this.element;\n\t\n\t      this.addPointer(pointer);\n\t\n\t      if (this.target && (testIgnore(this.target, this.element, eventTarget) || !testAllow(this.target, this.element, eventTarget))) {\n\t        // if the eventTarget should be ignored or shouldn't be allowed\n\t        // clear the previous target\n\t        this.target = null;\n\t        this.element = null;\n\t        this.matches = [];\n\t        this.matchElements = [];\n\t      }\n\t\n\t      var elementInteractable = interactables.get(eventTarget),\n\t          elementAction = elementInteractable && !testIgnore(elementInteractable, eventTarget, eventTarget) && testAllow(elementInteractable, eventTarget, eventTarget) && validateAction(elementInteractable.getAction(pointer, event, this, eventTarget), elementInteractable);\n\t\n\t      if (elementAction && !withinInteractionLimit(elementInteractable, eventTarget, elementAction)) {\n\t        elementAction = null;\n\t      }\n\t\n\t      function pushCurMatches(interactable, selector) {\n\t        if (interactable && inContext(interactable, eventTarget) && !testIgnore(interactable, eventTarget, eventTarget) && testAllow(interactable, eventTarget, eventTarget) && matchesSelector(eventTarget, selector)) {\n\t          curMatches.push(interactable);\n\t          curMatchElements.push(eventTarget);\n\t        }\n\t      }\n\t\n\t      if (elementAction) {\n\t        this.target = elementInteractable;\n\t        this.element = eventTarget;\n\t        this.matches = [];\n\t        this.matchElements = [];\n\t      } else {\n\t        interactables.forEachSelector(pushCurMatches);\n\t\n\t        if (this.validateSelector(pointer, event, curMatches, curMatchElements)) {\n\t          this.matches = curMatches;\n\t          this.matchElements = curMatchElements;\n\t\n\t          this.pointerHover(pointer, event, this.matches, this.matchElements);\n\t          events.add(eventTarget, supportsPointerEvent ? pEventTypes.move : 'mousemove', listeners.pointerHover);\n\t        } else if (this.target) {\n\t          if (nodeContains(prevTargetElement, eventTarget)) {\n\t            this.pointerHover(pointer, event, this.matches, this.matchElements);\n\t            events.add(this.element, supportsPointerEvent ? pEventTypes.move : 'mousemove', listeners.pointerHover);\n\t          } else {\n\t            this.target = null;\n\t            this.element = null;\n\t            this.matches = [];\n\t            this.matchElements = [];\n\t          }\n\t        }\n\t      }\n\t    },\n\t\n\t    // Check what action would be performed on pointerMove target if a mouse\n\t    // button were pressed and change the cursor accordingly\n\t    pointerHover: function pointerHover(pointer, event, eventTarget, curEventTarget, matches, matchElements) {\n\t      var target = this.target;\n\t\n\t      if (!this.prepared.name && this.mouse) {\n\t        var action;\n\t\n\t        // update pointer coords for defaultActionChecker to use\n\t        this.setEventXY(this.curCoords, [pointer]);\n\t\n\t        if (matches) {\n\t          action = this.validateSelector(pointer, event, matches, matchElements);\n\t        } else if (target) {\n\t          action = validateAction(target.getAction(this.pointers[0], event, this, this.element), this.target);\n\t        }\n\t\n\t        if (target && target.options.styleCursor) {\n\t          if (action) {\n\t            target._doc.documentElement.style.cursor = getActionCursor(action);\n\t          } else {\n\t            target._doc.documentElement.style.cursor = '';\n\t          }\n\t        }\n\t      } else if (this.prepared.name) {\n\t        this.checkAndPreventDefault(event, target, this.element);\n\t      }\n\t    },\n\t\n\t    pointerOut: function pointerOut(pointer, event, eventTarget) {\n\t      if (this.prepared.name) {\n\t        return;\n\t      }\n\t\n\t      // Remove temporary event listeners for selector Interactables\n\t      if (!interactables.get(eventTarget)) {\n\t        events.remove(eventTarget, supportsPointerEvent ? pEventTypes.move : 'mousemove', listeners.pointerHover);\n\t      }\n\t\n\t      if (this.target && this.target.options.styleCursor && !this.interacting()) {\n\t        this.target._doc.documentElement.style.cursor = '';\n\t      }\n\t    },\n\t\n\t    selectorDown: function selectorDown(pointer, event, eventTarget, curEventTarget) {\n\t      var that = this,\n\t\n\t      // copy event to be used in timeout for IE8\n\t      eventCopy = events.useAttachEvent ? extend({}, event) : event,\n\t          element = eventTarget,\n\t          pointerIndex = this.addPointer(pointer),\n\t          action;\n\t\n\t      this.holdTimers[pointerIndex] = setTimeout(function () {\n\t        that.pointerHold(events.useAttachEvent ? eventCopy : pointer, eventCopy, eventTarget, curEventTarget);\n\t      }, defaultOptions._holdDuration);\n\t\n\t      this.pointerIsDown = true;\n\t\n\t      // Check if the down event hits the current inertia target\n\t      if (this.inertiaStatus.active && this.target.selector) {\n\t        // climb up the DOM tree from the event target\n\t        while (isElement(element)) {\n\t          // if this element is the current inertia target element\n\t          if (element === this.element\n\t          // and the prospective action is the same as the ongoing one\n\t          && validateAction(this.target.getAction(pointer, event, this, this.element), this.target).name === this.prepared.name) {\n\t            // stop inertia so that the next move will be a normal one\n\t            cancelFrame(this.inertiaStatus.i);\n\t            this.inertiaStatus.active = false;\n\t\n\t            this.collectEventTargets(pointer, event, eventTarget, 'down');\n\t            return;\n\t          }\n\t          element = parentElement(element);\n\t        }\n\t      }\n\t\n\t      // do nothing if interacting\n\t      if (this.interacting()) {\n\t        this.collectEventTargets(pointer, event, eventTarget, 'down');\n\t        return;\n\t      }\n\t\n\t      function pushMatches(interactable, selector, context) {\n\t        var elements = ie8MatchesSelector ? context.querySelectorAll(selector) : undefined;\n\t\n\t        if (inContext(interactable, element) && !testIgnore(interactable, element, eventTarget) && testAllow(interactable, element, eventTarget) && matchesSelector(element, selector, elements)) {\n\t          that.matches.push(interactable);\n\t          that.matchElements.push(element);\n\t        }\n\t      }\n\t\n\t      // update pointer coords for defaultActionChecker to use\n\t      this.setEventXY(this.curCoords, [pointer]);\n\t      this.downEvent = event;\n\t\n\t      while (isElement(element) && !action) {\n\t        this.matches = [];\n\t        this.matchElements = [];\n\t\n\t        interactables.forEachSelector(pushMatches);\n\t\n\t        action = this.validateSelector(pointer, event, this.matches, this.matchElements);\n\t        element = parentElement(element);\n\t      }\n\t\n\t      if (action) {\n\t        this.prepared.name = action.name;\n\t        this.prepared.axis = action.axis;\n\t        this.prepared.edges = action.edges;\n\t\n\t        this.collectEventTargets(pointer, event, eventTarget, 'down');\n\t\n\t        return this.pointerDown(pointer, event, eventTarget, curEventTarget, action);\n\t      } else {\n\t        // do these now since pointerDown isn't being called from here\n\t        this.downTimes[pointerIndex] = new Date().getTime();\n\t        this.downTargets[pointerIndex] = eventTarget;\n\t        pointerExtend(this.downPointer, pointer);\n\t\n\t        copyCoords(this.prevCoords, this.curCoords);\n\t        this.pointerWasMoved = false;\n\t      }\n\t\n\t      this.collectEventTargets(pointer, event, eventTarget, 'down');\n\t    },\n\t\n\t    // Determine action to be performed on next pointerMove and add appropriate\n\t    // style and event Listeners\n\t    pointerDown: function pointerDown(pointer, event, eventTarget, curEventTarget, forceAction) {\n\t      if (!forceAction && !this.inertiaStatus.active && this.pointerWasMoved && this.prepared.name) {\n\t        this.checkAndPreventDefault(event, this.target, this.element);\n\t\n\t        return;\n\t      }\n\t\n\t      this.pointerIsDown = true;\n\t      this.downEvent = event;\n\t\n\t      var pointerIndex = this.addPointer(pointer),\n\t          action;\n\t\n\t      // If it is the second touch of a multi-touch gesture, keep the\n\t      // target the same and get a new action if a target was set by the\n\t      // first touch\n\t      if (this.pointerIds.length > 1 && this.target._element === this.element) {\n\t        var newAction = validateAction(forceAction || this.target.getAction(pointer, event, this, this.element), this.target);\n\t\n\t        if (withinInteractionLimit(this.target, this.element, newAction)) {\n\t          action = newAction;\n\t        }\n\t\n\t        this.prepared.name = null;\n\t      }\n\t      // Otherwise, set the target if there is no action prepared\n\t      else if (!this.prepared.name) {\n\t          var interactable = interactables.get(curEventTarget);\n\t\n\t          if (interactable && !testIgnore(interactable, curEventTarget, eventTarget) && testAllow(interactable, curEventTarget, eventTarget) && (action = validateAction(forceAction || interactable.getAction(pointer, event, this, curEventTarget), interactable, eventTarget)) && withinInteractionLimit(interactable, curEventTarget, action)) {\n\t            this.target = interactable;\n\t            this.element = curEventTarget;\n\t          }\n\t        }\n\t\n\t      var target = this.target,\n\t          options = target && target.options;\n\t\n\t      if (target && (forceAction || !this.prepared.name)) {\n\t        action = action || validateAction(forceAction || target.getAction(pointer, event, this, curEventTarget), target, this.element);\n\t\n\t        this.setEventXY(this.startCoords, this.pointers);\n\t\n\t        if (!action) {\n\t          return;\n\t        }\n\t\n\t        if (options.styleCursor) {\n\t          target._doc.documentElement.style.cursor = getActionCursor(action);\n\t        }\n\t\n\t        this.resizeAxes = action.name === 'resize' ? action.axis : null;\n\t\n\t        if (action === 'gesture' && this.pointerIds.length < 2) {\n\t          action = null;\n\t        }\n\t\n\t        this.prepared.name = action.name;\n\t        this.prepared.axis = action.axis;\n\t        this.prepared.edges = action.edges;\n\t\n\t        this.snapStatus.snappedX = this.snapStatus.snappedY = this.restrictStatus.restrictedX = this.restrictStatus.restrictedY = NaN;\n\t\n\t        this.downTimes[pointerIndex] = new Date().getTime();\n\t        this.downTargets[pointerIndex] = eventTarget;\n\t        pointerExtend(this.downPointer, pointer);\n\t\n\t        copyCoords(this.prevCoords, this.startCoords);\n\t        this.pointerWasMoved = false;\n\t\n\t        this.checkAndPreventDefault(event, target, this.element);\n\t      }\n\t      // if inertia is active try to resume action\n\t      else if (this.inertiaStatus.active && curEventTarget === this.element && validateAction(target.getAction(pointer, event, this, this.element), target).name === this.prepared.name) {\n\t          cancelFrame(this.inertiaStatus.i);\n\t          this.inertiaStatus.active = false;\n\t\n\t          this.checkAndPreventDefault(event, target, this.element);\n\t        }\n\t    },\n\t\n\t    setModifications: function setModifications(coords, preEnd) {\n\t      var target = this.target,\n\t          shouldMove = true,\n\t          shouldSnap = checkSnap(target, this.prepared.name) && (!target.options[this.prepared.name].snap.endOnly || preEnd),\n\t          shouldRestrict = checkRestrict(target, this.prepared.name) && (!target.options[this.prepared.name].restrict.endOnly || preEnd);\n\t\n\t      if (shouldSnap) {\n\t        this.setSnapping(coords);\n\t      } else {\n\t        this.snapStatus.locked = false;\n\t      }\n\t      if (shouldRestrict) {\n\t        this.setRestriction(coords);\n\t      } else {\n\t        this.restrictStatus.restricted = false;\n\t      }\n\t\n\t      if (shouldSnap && this.snapStatus.locked && !this.snapStatus.changed) {\n\t        shouldMove = shouldRestrict && this.restrictStatus.restricted && this.restrictStatus.changed;\n\t      } else if (shouldRestrict && this.restrictStatus.restricted && !this.restrictStatus.changed) {\n\t        shouldMove = false;\n\t      }\n\t\n\t      return shouldMove;\n\t    },\n\t\n\t    setStartOffsets: function setStartOffsets(action, interactable, element) {\n\t      var rect = interactable.getRect(element),\n\t          origin = getOriginXY(interactable, element),\n\t          snap = interactable.options[this.prepared.name].snap,\n\t          restrict = interactable.options[this.prepared.name].restrict,\n\t          width,\n\t          height;\n\t\n\t      if (rect) {\n\t        this.startOffset.left = this.startCoords.page.x - rect.left;\n\t        this.startOffset.top = this.startCoords.page.y - rect.top;\n\t\n\t        this.startOffset.right = rect.right - this.startCoords.page.x;\n\t        this.startOffset.bottom = rect.bottom - this.startCoords.page.y;\n\t\n\t        if ('width' in rect) {\n\t          width = rect.width;\n\t        } else {\n\t          width = rect.right - rect.left;\n\t        }\n\t        if ('height' in rect) {\n\t          height = rect.height;\n\t        } else {\n\t          height = rect.bottom - rect.top;\n\t        }\n\t      } else {\n\t        this.startOffset.left = this.startOffset.top = this.startOffset.right = this.startOffset.bottom = 0;\n\t      }\n\t\n\t      this.snapOffsets.splice(0);\n\t\n\t      var snapOffset = snap && snap.offset === 'startCoords' ? {\n\t        x: this.startCoords.page.x - origin.x,\n\t        y: this.startCoords.page.y - origin.y\n\t      } : snap && snap.offset || { x: 0, y: 0 };\n\t\n\t      if (rect && snap && snap.relativePoints && snap.relativePoints.length) {\n\t        for (var i = 0; i < snap.relativePoints.length; i++) {\n\t          this.snapOffsets.push({\n\t            x: this.startOffset.left - width * snap.relativePoints[i].x + snapOffset.x,\n\t            y: this.startOffset.top - height * snap.relativePoints[i].y + snapOffset.y\n\t          });\n\t        }\n\t      } else {\n\t        this.snapOffsets.push(snapOffset);\n\t      }\n\t\n\t      if (rect && restrict.elementRect) {\n\t        this.restrictOffset.left = this.startOffset.left - width * restrict.elementRect.left;\n\t        this.restrictOffset.top = this.startOffset.top - height * restrict.elementRect.top;\n\t\n\t        this.restrictOffset.right = this.startOffset.right - width * (1 - restrict.elementRect.right);\n\t        this.restrictOffset.bottom = this.startOffset.bottom - height * (1 - restrict.elementRect.bottom);\n\t      } else {\n\t        this.restrictOffset.left = this.restrictOffset.top = this.restrictOffset.right = this.restrictOffset.bottom = 0;\n\t      }\n\t    },\n\t\n\t    /* \\\n\t     * Interaction.start\n\t     [ method ]\n\t     *\n\t     * Start an action with the given Interactable and Element as tartgets. The\n\t     * action must be enabled for the target Interactable and an appropriate number\n\t     * of pointers must be held down – 1 for drag/resize, 2 for gesture.\n\t     *\n\t     * Use it with `interactable.<action>able({ manualStart: false })` to always\n\t     * [start actions manually](https://github.com/taye/interact.js/issues/114)\n\t     *\n\t     - action       (object)  The action to be performed - drag, resize, etc.\n\t     - interactable (Interactable) The Interactable to target\n\t     - element      (Element) The DOM Element to target\n\t     = (object) interact\n\t     **\n\t     | interact(target)\n\t     |   .draggable({\n\t     |     // disable the default drag start by down->move\n\t     |     manualStart: true\n\t     |   })\n\t     |   // start dragging after the user holds the pointer down\n\t     |   .on('hold', function (event) {\n\t     |     var interaction = event.interaction;\n\t     |\n\t     |     if (!interaction.interacting()) {\n\t     |       interaction.start({ name: 'drag' },\n\t     |                         event.interactable,\n\t     |                         event.currentTarget);\n\t     |     }\n\t     | });\n\t    \\*/\n\t    start: function start(action, interactable, element) {\n\t      if (this.interacting() || !this.pointerIsDown || this.pointerIds.length < (action.name === 'gesture' ? 2 : 1)) {\n\t        return;\n\t      }\n\t\n\t      // if this interaction had been removed after stopping\n\t      // add it back\n\t      if (indexOf(interactions, this) === -1) {\n\t        interactions.push(this);\n\t      }\n\t\n\t      // set the startCoords if there was no prepared action\n\t      if (!this.prepared.name) {\n\t        this.setEventXY(this.startCoords);\n\t      }\n\t\n\t      this.prepared.name = action.name;\n\t      this.prepared.axis = action.axis;\n\t      this.prepared.edges = action.edges;\n\t      this.target = interactable;\n\t      this.element = element;\n\t\n\t      this.setStartOffsets(action.name, interactable, element);\n\t      this.setModifications(this.startCoords.page);\n\t\n\t      this.prevEvent = this[this.prepared.name + 'Start'](this.downEvent);\n\t    },\n\t\n\t    pointerMove: function pointerMove(pointer, event, eventTarget, curEventTarget, preEnd) {\n\t      if (this.inertiaStatus.active) {\n\t        var pageUp = this.inertiaStatus.upCoords.page;\n\t        var clientUp = this.inertiaStatus.upCoords.client;\n\t\n\t        var inertiaPosition = {\n\t          pageX: pageUp.x + this.inertiaStatus.sx,\n\t          pageY: pageUp.y + this.inertiaStatus.sy,\n\t          clientX: clientUp.x + this.inertiaStatus.sx,\n\t          clientY: clientUp.y + this.inertiaStatus.sy\n\t        };\n\t\n\t        this.setEventXY(this.curCoords, [inertiaPosition]);\n\t      } else {\n\t        this.recordPointer(pointer);\n\t        this.setEventXY(this.curCoords, this.pointers);\n\t      }\n\t\n\t      var duplicateMove = this.curCoords.page.x === this.prevCoords.page.x && this.curCoords.page.y === this.prevCoords.page.y && this.curCoords.client.x === this.prevCoords.client.x && this.curCoords.client.y === this.prevCoords.client.y;\n\t\n\t      var dx,\n\t          dy,\n\t          pointerIndex = this.mouse ? 0 : indexOf(this.pointerIds, getPointerId(pointer));\n\t\n\t      // register movement greater than pointerMoveTolerance\n\t      if (this.pointerIsDown && !this.pointerWasMoved) {\n\t        dx = this.curCoords.client.x - this.startCoords.client.x;\n\t        dy = this.curCoords.client.y - this.startCoords.client.y;\n\t\n\t        this.pointerWasMoved = hypot(dx, dy) > pointerMoveTolerance;\n\t      }\n\t\n\t      if (!duplicateMove && (!this.pointerIsDown || this.pointerWasMoved)) {\n\t        if (this.pointerIsDown) {\n\t          clearTimeout(this.holdTimers[pointerIndex]);\n\t        }\n\t\n\t        this.collectEventTargets(pointer, event, eventTarget, 'move');\n\t      }\n\t\n\t      if (!this.pointerIsDown) {\n\t        return;\n\t      }\n\t\n\t      if (duplicateMove && this.pointerWasMoved && !preEnd) {\n\t        this.checkAndPreventDefault(event, this.target, this.element);\n\t        return;\n\t      }\n\t\n\t      // set pointer coordinate, time changes and speeds\n\t      setEventDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\t\n\t      if (!this.prepared.name) {\n\t        return;\n\t      }\n\t\n\t      if (this.pointerWasMoved\n\t      // ignore movement while inertia is active\n\t      && (!this.inertiaStatus.active || pointer instanceof InteractEvent && /inertiastart/.test(pointer.type))) {\n\t        // if just starting an action, calculate the pointer speed now\n\t        if (!this.interacting()) {\n\t          setEventDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\t\n\t          // check if a drag is in the correct axis\n\t          if (this.prepared.name === 'drag') {\n\t            var absX = Math.abs(dx),\n\t                absY = Math.abs(dy),\n\t                targetAxis = this.target.options.drag.axis,\n\t                axis = absX > absY ? 'x' : absX < absY ? 'y' : 'xy';\n\t\n\t            // if the movement isn't in the axis of the interactable\n\t            if (axis !== 'xy' && targetAxis !== 'xy' && targetAxis !== axis) {\n\t              // cancel the prepared action\n\t              this.prepared.name = null;\n\t\n\t              // then try to get a drag from another ineractable\n\t\n\t              var element = eventTarget;\n\t\n\t              // check element interactables\n\t              while (isElement(element)) {\n\t                var elementInteractable = interactables.get(element);\n\t\n\t                if (elementInteractable && elementInteractable !== this.target && !elementInteractable.options.drag.manualStart && elementInteractable.getAction(this.downPointer, this.downEvent, this, element).name === 'drag' && checkAxis(axis, elementInteractable)) {\n\t                  this.prepared.name = 'drag';\n\t                  this.target = elementInteractable;\n\t                  this.element = element;\n\t                  break;\n\t                }\n\t\n\t                element = parentElement(element);\n\t              }\n\t\n\t              // if there's no drag from element interactables,\n\t              // check the selector interactables\n\t              if (!this.prepared.name) {\n\t                var thisInteraction = this;\n\t\n\t                var getDraggable = function getDraggable(interactable, selector, context) {\n\t                  var elements = ie8MatchesSelector ? context.querySelectorAll(selector) : undefined;\n\t\n\t                  if (interactable === thisInteraction.target) {\n\t                    return;\n\t                  }\n\t\n\t                  if (inContext(interactable, eventTarget) && !interactable.options.drag.manualStart && !testIgnore(interactable, element, eventTarget) && testAllow(interactable, element, eventTarget) && matchesSelector(element, selector, elements) && interactable.getAction(thisInteraction.downPointer, thisInteraction.downEvent, thisInteraction, element).name === 'drag' && checkAxis(axis, interactable) && withinInteractionLimit(interactable, element, 'drag')) {\n\t                    return interactable;\n\t                  }\n\t                };\n\t\n\t                element = eventTarget;\n\t\n\t                while (isElement(element)) {\n\t                  var selectorInteractable = interactables.forEachSelector(getDraggable);\n\t\n\t                  if (selectorInteractable) {\n\t                    this.prepared.name = 'drag';\n\t                    this.target = selectorInteractable;\n\t                    this.element = element;\n\t                    break;\n\t                  }\n\t\n\t                  element = parentElement(element);\n\t                }\n\t              }\n\t            }\n\t          }\n\t        }\n\t\n\t        var starting = !!this.prepared.name && !this.interacting();\n\t\n\t        if (starting && (this.target.options[this.prepared.name].manualStart || !withinInteractionLimit(this.target, this.element, this.prepared))) {\n\t          this.stop(event);\n\t          return;\n\t        }\n\t\n\t        if (this.prepared.name && this.target) {\n\t          if (starting) {\n\t            this.start(this.prepared, this.target, this.element);\n\t          }\n\t\n\t          var shouldMove = this.setModifications(this.curCoords.page, preEnd);\n\t\n\t          // move if snapping or restriction doesn't prevent it\n\t          if (shouldMove || starting) {\n\t            this.prevEvent = this[this.prepared.name + 'Move'](event);\n\t          }\n\t\n\t          this.checkAndPreventDefault(event, this.target, this.element);\n\t        }\n\t      }\n\t\n\t      copyCoords(this.prevCoords, this.curCoords);\n\t\n\t      if (this.dragging || this.resizing) {\n\t        this.autoScrollMove(pointer);\n\t      }\n\t    },\n\t\n\t    dragStart: function dragStart(event) {\n\t      var dragEvent = new InteractEvent(this, event, 'drag', 'start', this.element);\n\t\n\t      dragEvent.originalEvent = event;\n\t      this.dragging = true;\n\t      this.target.fire(dragEvent);\n\t\n\t      // reset active dropzones\n\t      this.activeDrops.dropzones = [];\n\t      this.activeDrops.elements = [];\n\t      this.activeDrops.rects = [];\n\t\n\t      if (!this.dynamicDrop) {\n\t        this.setActiveDrops(this.element);\n\t      }\n\t\n\t      var dropEvents = this.getDropEvents(event, dragEvent);\n\t\n\t      if (dropEvents.activate) {\n\t        this.fireActiveDrops(dropEvents.activate);\n\t      }\n\t\n\t      return dragEvent;\n\t    },\n\t\n\t    dragMove: function dragMove(event) {\n\t      var target = this.target,\n\t          dragEvent = new InteractEvent(this, event, 'drag', 'move', this.element),\n\t          draggableElement = this.element,\n\t          drop = this.getDrop(dragEvent, event, draggableElement);\n\t\n\t      dragEvent.originalEvent = event;\n\t\n\t      this.dropTarget = drop.dropzone;\n\t      this.dropElement = drop.element;\n\t\n\t      var dropEvents = this.getDropEvents(event, dragEvent);\n\t\n\t      target.fire(dragEvent);\n\t\n\t      if (dropEvents.leave) {\n\t        this.prevDropTarget.fire(dropEvents.leave);\n\t      }\n\t      if (dropEvents.enter) {\n\t        this.dropTarget.fire(dropEvents.enter);\n\t      }\n\t      if (dropEvents.move) {\n\t        this.dropTarget.fire(dropEvents.move);\n\t      }\n\t\n\t      this.prevDropTarget = this.dropTarget;\n\t      this.prevDropElement = this.dropElement;\n\t\n\t      return dragEvent;\n\t    },\n\t\n\t    resizeStart: function resizeStart(event) {\n\t      var resizeEvent = new InteractEvent(this, event, 'resize', 'start', this.element);\n\t\n\t      if (this.prepared.edges) {\n\t        var startRect = this.target.getRect(this.element);\n\t\n\t        /*\n\t         * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n\t         * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n\t         * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n\t         * on the active edges and the edge being interacted with.\n\t         */\n\t        if (this.target.options.resize.square || this.target.options.resize.preserveAspectRatio) {\n\t          var linkedEdges = extend({}, this.prepared.edges);\n\t\n\t          linkedEdges.top = linkedEdges.top || linkedEdges.left && !linkedEdges.bottom;\n\t          linkedEdges.left = linkedEdges.left || linkedEdges.top && !linkedEdges.right;\n\t          linkedEdges.bottom = linkedEdges.bottom || linkedEdges.right && !linkedEdges.top;\n\t          linkedEdges.right = linkedEdges.right || linkedEdges.bottom && !linkedEdges.left;\n\t\n\t          this.prepared._linkedEdges = linkedEdges;\n\t        } else {\n\t          this.prepared._linkedEdges = null;\n\t        }\n\t\n\t        // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n\t        if (this.target.options.resize.preserveAspectRatio) {\n\t          this.resizeStartAspectRatio = startRect.width / startRect.height;\n\t        }\n\t\n\t        this.resizeRects = {\n\t          start: startRect,\n\t          current: extend({}, startRect),\n\t          restricted: extend({}, startRect),\n\t          previous: extend({}, startRect),\n\t          delta: {\n\t            left: 0, right: 0, width: 0,\n\t            top: 0, bottom: 0, height: 0\n\t          }\n\t        };\n\t\n\t        resizeEvent.rect = this.resizeRects.restricted;\n\t        resizeEvent.deltaRect = this.resizeRects.delta;\n\t      }\n\t\n\t      this.target.fire(resizeEvent);\n\t\n\t      this.resizing = true;\n\t\n\t      return resizeEvent;\n\t    },\n\t\n\t    resizeMove: function resizeMove(event) {\n\t      var resizeEvent = new InteractEvent(this, event, 'resize', 'move', this.element);\n\t\n\t      var edges = this.prepared.edges,\n\t          invert = this.target.options.resize.invert,\n\t          invertible = invert === 'reposition' || invert === 'negate';\n\t\n\t      if (edges) {\n\t        var dx = resizeEvent.dx,\n\t            dy = resizeEvent.dy,\n\t            start = this.resizeRects.start,\n\t            current = this.resizeRects.current,\n\t            restricted = this.resizeRects.restricted,\n\t            delta = this.resizeRects.delta,\n\t            previous = extend(this.resizeRects.previous, restricted),\n\t            originalEdges = edges;\n\t\n\t        // `resize.preserveAspectRatio` takes precedence over `resize.square`\n\t        if (this.target.options.resize.preserveAspectRatio) {\n\t          var resizeStartAspectRatio = this.resizeStartAspectRatio;\n\t\n\t          edges = this.prepared._linkedEdges;\n\t\n\t          if (originalEdges.left && originalEdges.bottom || originalEdges.right && originalEdges.top) {\n\t            dy = -dx / resizeStartAspectRatio;\n\t          } else if (originalEdges.left || originalEdges.right) {\n\t            dy = dx / resizeStartAspectRatio;\n\t          } else if (originalEdges.top || originalEdges.bottom) {\n\t            dx = dy * resizeStartAspectRatio;\n\t          }\n\t        } else if (this.target.options.resize.square) {\n\t          edges = this.prepared._linkedEdges;\n\t\n\t          if (originalEdges.left && originalEdges.bottom || originalEdges.right && originalEdges.top) {\n\t            dy = -dx;\n\t          } else if (originalEdges.left || originalEdges.right) {\n\t            dy = dx;\n\t          } else if (originalEdges.top || originalEdges.bottom) {\n\t            dx = dy;\n\t          }\n\t        }\n\t\n\t        // update the 'current' rect without modifications\n\t        if (edges.top) {\n\t          current.top += dy;\n\t        }\n\t        if (edges.bottom) {\n\t          current.bottom += dy;\n\t        }\n\t        if (edges.left) {\n\t          current.left += dx;\n\t        }\n\t        if (edges.right) {\n\t          current.right += dx;\n\t        }\n\t\n\t        if (invertible) {\n\t          // if invertible, copy the current rect\n\t          extend(restricted, current);\n\t\n\t          if (invert === 'reposition') {\n\t            // swap edge values if necessary to keep width/height positive\n\t            var swap;\n\t\n\t            if (restricted.top > restricted.bottom) {\n\t              swap = restricted.top;\n\t\n\t              restricted.top = restricted.bottom;\n\t              restricted.bottom = swap;\n\t            }\n\t            if (restricted.left > restricted.right) {\n\t              swap = restricted.left;\n\t\n\t              restricted.left = restricted.right;\n\t              restricted.right = swap;\n\t            }\n\t          }\n\t        } else {\n\t          // if not invertible, restrict to minimum of 0x0 rect\n\t          restricted.top = Math.min(current.top, start.bottom);\n\t          restricted.bottom = Math.max(current.bottom, start.top);\n\t          restricted.left = Math.min(current.left, start.right);\n\t          restricted.right = Math.max(current.right, start.left);\n\t        }\n\t\n\t        restricted.width = restricted.right - restricted.left;\n\t        restricted.height = restricted.bottom - restricted.top;\n\t\n\t        for (var edge in restricted) {\n\t          delta[edge] = restricted[edge] - previous[edge];\n\t        }\n\t\n\t        resizeEvent.edges = this.prepared.edges;\n\t        resizeEvent.rect = restricted;\n\t        resizeEvent.deltaRect = delta;\n\t      }\n\t\n\t      this.target.fire(resizeEvent);\n\t\n\t      return resizeEvent;\n\t    },\n\t\n\t    gestureStart: function gestureStart(event) {\n\t      var gestureEvent = new InteractEvent(this, event, 'gesture', 'start', this.element);\n\t\n\t      gestureEvent.ds = 0;\n\t\n\t      this.gesture.startDistance = this.gesture.prevDistance = gestureEvent.distance;\n\t      this.gesture.startAngle = this.gesture.prevAngle = gestureEvent.angle;\n\t      this.gesture.scale = 1;\n\t\n\t      this.gesturing = true;\n\t\n\t      this.target.fire(gestureEvent);\n\t\n\t      return gestureEvent;\n\t    },\n\t\n\t    gestureMove: function gestureMove(event) {\n\t      if (!this.pointerIds.length) {\n\t        return this.prevEvent;\n\t      }\n\t\n\t      var gestureEvent;\n\t\n\t      gestureEvent = new InteractEvent(this, event, 'gesture', 'move', this.element);\n\t      gestureEvent.ds = gestureEvent.scale - this.gesture.scale;\n\t\n\t      this.target.fire(gestureEvent);\n\t\n\t      this.gesture.prevAngle = gestureEvent.angle;\n\t      this.gesture.prevDistance = gestureEvent.distance;\n\t\n\t      if (gestureEvent.scale !== Infinity && gestureEvent.scale !== null && gestureEvent.scale !== undefined && !isNaN(gestureEvent.scale)) {\n\t        this.gesture.scale = gestureEvent.scale;\n\t      }\n\t\n\t      return gestureEvent;\n\t    },\n\t\n\t    pointerHold: function pointerHold(pointer, event, eventTarget) {\n\t      this.collectEventTargets(pointer, event, eventTarget, 'hold');\n\t    },\n\t\n\t    pointerUp: function pointerUp(pointer, event, eventTarget, curEventTarget) {\n\t      var pointerIndex = this.mouse ? 0 : indexOf(this.pointerIds, getPointerId(pointer));\n\t\n\t      clearTimeout(this.holdTimers[pointerIndex]);\n\t\n\t      this.collectEventTargets(pointer, event, eventTarget, 'up');\n\t      this.collectEventTargets(pointer, event, eventTarget, 'tap');\n\t\n\t      this.pointerEnd(pointer, event, eventTarget, curEventTarget);\n\t\n\t      this.removePointer(pointer);\n\t    },\n\t\n\t    pointerCancel: function pointerCancel(pointer, event, eventTarget, curEventTarget) {\n\t      var pointerIndex = this.mouse ? 0 : indexOf(this.pointerIds, getPointerId(pointer));\n\t\n\t      clearTimeout(this.holdTimers[pointerIndex]);\n\t\n\t      this.collectEventTargets(pointer, event, eventTarget, 'cancel');\n\t      this.pointerEnd(pointer, event, eventTarget, curEventTarget);\n\t\n\t      this.removePointer(pointer);\n\t    },\n\t\n\t    // http://www.quirksmode.org/dom/events/click.html\n\t    // >Events leading to dblclick\n\t    //\n\t    // IE8 doesn't fire down event before dblclick.\n\t    // This workaround tries to fire a tap and doubletap after dblclick\n\t    ie8Dblclick: function ie8Dblclick(pointer, event, eventTarget) {\n\t      if (this.prevTap && event.clientX === this.prevTap.clientX && event.clientY === this.prevTap.clientY && eventTarget === this.prevTap.target) {\n\t        this.downTargets[0] = eventTarget;\n\t        this.downTimes[0] = new Date().getTime();\n\t        this.collectEventTargets(pointer, event, eventTarget, 'tap');\n\t      }\n\t    },\n\t\n\t    // End interact move events and stop auto-scroll unless inertia is enabled\n\t    pointerEnd: function pointerEnd(pointer, event, eventTarget, curEventTarget) {\n\t      var endEvent,\n\t          target = this.target,\n\t          options = target && target.options,\n\t          inertiaOptions = options && this.prepared.name && options[this.prepared.name].inertia,\n\t          inertiaStatus = this.inertiaStatus;\n\t\n\t      if (this.interacting()) {\n\t        if (inertiaStatus.active && !inertiaStatus.ending) {\n\t          return;\n\t        }\n\t\n\t        var pointerSpeed,\n\t            now = new Date().getTime(),\n\t            inertiaPossible = false,\n\t            inertia = false,\n\t            smoothEnd = false,\n\t            endSnap = checkSnap(target, this.prepared.name) && options[this.prepared.name].snap.endOnly,\n\t            endRestrict = checkRestrict(target, this.prepared.name) && options[this.prepared.name].restrict.endOnly,\n\t            dx = 0,\n\t            dy = 0,\n\t            startEvent;\n\t\n\t        if (this.dragging) {\n\t          if (options.drag.axis === 'x') {\n\t            pointerSpeed = Math.abs(this.pointerDelta.client.vx);\n\t          } else if (options.drag.axis === 'y') {\n\t            pointerSpeed = Math.abs(this.pointerDelta.client.vy);\n\t          } else /* options.drag.axis === 'xy'*/{\n\t              pointerSpeed = this.pointerDelta.client.speed;\n\t            }\n\t        } else {\n\t          pointerSpeed = this.pointerDelta.client.speed;\n\t        }\n\t\n\t        // check if inertia should be started\n\t        inertiaPossible = inertiaOptions && inertiaOptions.enabled && this.prepared.name !== 'gesture' && event !== inertiaStatus.startEvent;\n\t\n\t        inertia = inertiaPossible && now - this.curCoords.timeStamp < 50 && pointerSpeed > inertiaOptions.minSpeed && pointerSpeed > inertiaOptions.endSpeed;\n\t\n\t        if (inertiaPossible && !inertia && (endSnap || endRestrict)) {\n\t          var snapRestrict = {};\n\t\n\t          snapRestrict.snap = snapRestrict.restrict = snapRestrict;\n\t\n\t          if (endSnap) {\n\t            this.setSnapping(this.curCoords.page, snapRestrict);\n\t            if (snapRestrict.locked) {\n\t              dx += snapRestrict.dx;\n\t              dy += snapRestrict.dy;\n\t            }\n\t          }\n\t\n\t          if (endRestrict) {\n\t            this.setRestriction(this.curCoords.page, snapRestrict);\n\t            if (snapRestrict.restricted) {\n\t              dx += snapRestrict.dx;\n\t              dy += snapRestrict.dy;\n\t            }\n\t          }\n\t\n\t          if (dx || dy) {\n\t            smoothEnd = true;\n\t          }\n\t        }\n\t\n\t        if (inertia || smoothEnd) {\n\t          copyCoords(inertiaStatus.upCoords, this.curCoords);\n\t\n\t          this.pointers[0] = inertiaStatus.startEvent = startEvent = new InteractEvent(this, event, this.prepared.name, 'inertiastart', this.element);\n\t\n\t          inertiaStatus.t0 = now;\n\t\n\t          target.fire(inertiaStatus.startEvent);\n\t\n\t          if (inertia) {\n\t            inertiaStatus.vx0 = this.pointerDelta.client.vx;\n\t            inertiaStatus.vy0 = this.pointerDelta.client.vy;\n\t            inertiaStatus.v0 = pointerSpeed;\n\t\n\t            this.calcInertia(inertiaStatus);\n\t\n\t            var page = extend({}, this.curCoords.page),\n\t                origin = getOriginXY(target, this.element),\n\t                statusObject;\n\t\n\t            page.x = page.x + inertiaStatus.xe - origin.x;\n\t            page.y = page.y + inertiaStatus.ye - origin.y;\n\t\n\t            statusObject = {\n\t              useStatusXY: true,\n\t              x: page.x,\n\t              y: page.y,\n\t              dx: 0,\n\t              dy: 0,\n\t              snap: null\n\t            };\n\t\n\t            statusObject.snap = statusObject;\n\t\n\t            dx = dy = 0;\n\t\n\t            if (endSnap) {\n\t              var snap = this.setSnapping(this.curCoords.page, statusObject);\n\t\n\t              if (snap.locked) {\n\t                dx += snap.dx;\n\t                dy += snap.dy;\n\t              }\n\t            }\n\t\n\t            if (endRestrict) {\n\t              var restrict = this.setRestriction(this.curCoords.page, statusObject);\n\t\n\t              if (restrict.restricted) {\n\t                dx += restrict.dx;\n\t                dy += restrict.dy;\n\t              }\n\t            }\n\t\n\t            inertiaStatus.modifiedXe += dx;\n\t            inertiaStatus.modifiedYe += dy;\n\t\n\t            inertiaStatus.i = reqFrame(this.boundInertiaFrame);\n\t          } else {\n\t            inertiaStatus.smoothEnd = true;\n\t            inertiaStatus.xe = dx;\n\t            inertiaStatus.ye = dy;\n\t\n\t            inertiaStatus.sx = inertiaStatus.sy = 0;\n\t\n\t            inertiaStatus.i = reqFrame(this.boundSmoothEndFrame);\n\t          }\n\t\n\t          inertiaStatus.active = true;\n\t          return;\n\t        }\n\t\n\t        if (endSnap || endRestrict) {\n\t          // fire a move event at the snapped coordinates\n\t          this.pointerMove(pointer, event, eventTarget, curEventTarget, true);\n\t        }\n\t      }\n\t\n\t      if (this.dragging) {\n\t        endEvent = new InteractEvent(this, event, 'drag', 'end', this.element);\n\t\n\t        var draggableElement = this.element,\n\t            drop = this.getDrop(endEvent, event, draggableElement);\n\t\n\t        this.dropTarget = drop.dropzone;\n\t        this.dropElement = drop.element;\n\t\n\t        var dropEvents = this.getDropEvents(event, endEvent);\n\t\n\t        if (dropEvents.leave) {\n\t          this.prevDropTarget.fire(dropEvents.leave);\n\t        }\n\t        if (dropEvents.enter) {\n\t          this.dropTarget.fire(dropEvents.enter);\n\t        }\n\t        if (dropEvents.drop) {\n\t          this.dropTarget.fire(dropEvents.drop);\n\t        }\n\t        if (dropEvents.deactivate) {\n\t          this.fireActiveDrops(dropEvents.deactivate);\n\t        }\n\t\n\t        target.fire(endEvent);\n\t      } else if (this.resizing) {\n\t        endEvent = new InteractEvent(this, event, 'resize', 'end', this.element);\n\t        target.fire(endEvent);\n\t      } else if (this.gesturing) {\n\t        endEvent = new InteractEvent(this, event, 'gesture', 'end', this.element);\n\t        target.fire(endEvent);\n\t      }\n\t\n\t      this.stop(event);\n\t    },\n\t\n\t    collectDrops: function collectDrops(element) {\n\t      var drops = [],\n\t          elements = [],\n\t          i;\n\t\n\t      element = element || this.element;\n\t\n\t      // collect all dropzones and their elements which qualify for a drop\n\t      for (i = 0; i < interactables.length; i++) {\n\t        if (!interactables[i].options.drop.enabled) {\n\t          continue;\n\t        }\n\t\n\t        var current = interactables[i],\n\t            accept = current.options.drop.accept;\n\t\n\t        // test the draggable element against the dropzone's accept setting\n\t        if (isElement(accept) && accept !== element || isString(accept) && !matchesSelector(element, accept)) {\n\t          continue;\n\t        }\n\t\n\t        // query for new elements if necessary\n\t        var dropElements = current.selector ? current._context.querySelectorAll(current.selector) : [current._element];\n\t\n\t        for (var j = 0, len = dropElements.length; j < len; j++) {\n\t          var currentElement = dropElements[j];\n\t\n\t          if (currentElement === element) {\n\t            continue;\n\t          }\n\t\n\t          drops.push(current);\n\t          elements.push(currentElement);\n\t        }\n\t      }\n\t\n\t      return {\n\t        dropzones: drops,\n\t        elements: elements\n\t      };\n\t    },\n\t\n\t    fireActiveDrops: function fireActiveDrops(event) {\n\t      var i, current, currentElement, prevElement;\n\t\n\t      // loop through all active dropzones and trigger event\n\t      for (i = 0; i < this.activeDrops.dropzones.length; i++) {\n\t        current = this.activeDrops.dropzones[i];\n\t        currentElement = this.activeDrops.elements[i];\n\t\n\t        // prevent trigger of duplicate events on same element\n\t        if (currentElement !== prevElement) {\n\t          // set current element as event target\n\t          event.target = currentElement;\n\t          current.fire(event);\n\t        }\n\t        prevElement = currentElement;\n\t      }\n\t    },\n\t\n\t    // Collect a new set of possible drops and save them in activeDrops.\n\t    // setActiveDrops should always be called when a drag has just started or a\n\t    // drag event happens while dynamicDrop is true\n\t    setActiveDrops: function setActiveDrops(dragElement) {\n\t      // get dropzones and their elements that could receive the draggable\n\t      var possibleDrops = this.collectDrops(dragElement, true);\n\t\n\t      this.activeDrops.dropzones = possibleDrops.dropzones;\n\t      this.activeDrops.elements = possibleDrops.elements;\n\t      this.activeDrops.rects = [];\n\t\n\t      for (var i = 0; i < this.activeDrops.dropzones.length; i++) {\n\t        this.activeDrops.rects[i] = this.activeDrops.dropzones[i].getRect(this.activeDrops.elements[i]);\n\t      }\n\t    },\n\t\n\t    getDrop: function getDrop(dragEvent, event, dragElement) {\n\t      var validDrops = [];\n\t\n\t      if (dynamicDrop) {\n\t        this.setActiveDrops(dragElement);\n\t      }\n\t\n\t      // collect all dropzones and their elements which qualify for a drop\n\t      for (var j = 0; j < this.activeDrops.dropzones.length; j++) {\n\t        var current = this.activeDrops.dropzones[j],\n\t            currentElement = this.activeDrops.elements[j],\n\t            rect = this.activeDrops.rects[j];\n\t\n\t        validDrops.push(current.dropCheck(dragEvent, event, this.target, dragElement, currentElement, rect) ? currentElement : null);\n\t      }\n\t\n\t      // get the most appropriate dropzone based on DOM depth and order\n\t      var dropIndex = indexOfDeepestElement(validDrops),\n\t          dropzone = this.activeDrops.dropzones[dropIndex] || null,\n\t          element = this.activeDrops.elements[dropIndex] || null;\n\t\n\t      return {\n\t        dropzone: dropzone,\n\t        element: element\n\t      };\n\t    },\n\t\n\t    getDropEvents: function getDropEvents(pointerEvent, dragEvent) {\n\t      var dropEvents = {\n\t        enter: null,\n\t        leave: null,\n\t        activate: null,\n\t        deactivate: null,\n\t        move: null,\n\t        drop: null\n\t      };\n\t\n\t      if (this.dropElement !== this.prevDropElement) {\n\t        // if there was a prevDropTarget, create a dragleave event\n\t        if (this.prevDropTarget) {\n\t          dropEvents.leave = {\n\t            target: this.prevDropElement,\n\t            dropzone: this.prevDropTarget,\n\t            relatedTarget: dragEvent.target,\n\t            draggable: dragEvent.interactable,\n\t            dragEvent: dragEvent,\n\t            interaction: this,\n\t            timeStamp: dragEvent.timeStamp,\n\t            type: 'dragleave'\n\t          };\n\t\n\t          dragEvent.dragLeave = this.prevDropElement;\n\t          dragEvent.prevDropzone = this.prevDropTarget;\n\t        }\n\t        // if the dropTarget is not null, create a dragenter event\n\t        if (this.dropTarget) {\n\t          dropEvents.enter = {\n\t            target: this.dropElement,\n\t            dropzone: this.dropTarget,\n\t            relatedTarget: dragEvent.target,\n\t            draggable: dragEvent.interactable,\n\t            dragEvent: dragEvent,\n\t            interaction: this,\n\t            timeStamp: dragEvent.timeStamp,\n\t            type: 'dragenter'\n\t          };\n\t\n\t          dragEvent.dragEnter = this.dropElement;\n\t          dragEvent.dropzone = this.dropTarget;\n\t        }\n\t      }\n\t\n\t      if (dragEvent.type === 'dragend' && this.dropTarget) {\n\t        dropEvents.drop = {\n\t          target: this.dropElement,\n\t          dropzone: this.dropTarget,\n\t          relatedTarget: dragEvent.target,\n\t          draggable: dragEvent.interactable,\n\t          dragEvent: dragEvent,\n\t          interaction: this,\n\t          timeStamp: dragEvent.timeStamp,\n\t          type: 'drop'\n\t        };\n\t\n\t        dragEvent.dropzone = this.dropTarget;\n\t      }\n\t      if (dragEvent.type === 'dragstart') {\n\t        dropEvents.activate = {\n\t          target: null,\n\t          dropzone: null,\n\t          relatedTarget: dragEvent.target,\n\t          draggable: dragEvent.interactable,\n\t          dragEvent: dragEvent,\n\t          interaction: this,\n\t          timeStamp: dragEvent.timeStamp,\n\t          type: 'dropactivate'\n\t        };\n\t      }\n\t      if (dragEvent.type === 'dragend') {\n\t        dropEvents.deactivate = {\n\t          target: null,\n\t          dropzone: null,\n\t          relatedTarget: dragEvent.target,\n\t          draggable: dragEvent.interactable,\n\t          dragEvent: dragEvent,\n\t          interaction: this,\n\t          timeStamp: dragEvent.timeStamp,\n\t          type: 'dropdeactivate'\n\t        };\n\t      }\n\t      if (dragEvent.type === 'dragmove' && this.dropTarget) {\n\t        dropEvents.move = {\n\t          target: this.dropElement,\n\t          dropzone: this.dropTarget,\n\t          relatedTarget: dragEvent.target,\n\t          draggable: dragEvent.interactable,\n\t          dragEvent: dragEvent,\n\t          interaction: this,\n\t          dragmove: dragEvent,\n\t          timeStamp: dragEvent.timeStamp,\n\t          type: 'dropmove'\n\t        };\n\t        dragEvent.dropzone = this.dropTarget;\n\t      }\n\t\n\t      return dropEvents;\n\t    },\n\t\n\t    currentAction: function currentAction() {\n\t      return this.dragging && 'drag' || this.resizing && 'resize' || this.gesturing && 'gesture' || null;\n\t    },\n\t\n\t    interacting: function interacting() {\n\t      return this.dragging || this.resizing || this.gesturing;\n\t    },\n\t\n\t    clearTargets: function clearTargets() {\n\t      this.target = this.element = null;\n\t\n\t      this.dropTarget = this.dropElement = this.prevDropTarget = this.prevDropElement = null;\n\t    },\n\t\n\t    stop: function stop(event) {\n\t      if (this.interacting()) {\n\t        autoScroll.stop();\n\t        this.matches = [];\n\t        this.matchElements = [];\n\t\n\t        var target = this.target;\n\t\n\t        if (target.options.styleCursor) {\n\t          target._doc.documentElement.style.cursor = '';\n\t        }\n\t\n\t        // prevent Default only if were previously interacting\n\t        if (event && isFunction(event.preventDefault)) {\n\t          this.checkAndPreventDefault(event, target, this.element);\n\t        }\n\t\n\t        if (this.dragging) {\n\t          this.activeDrops.dropzones = this.activeDrops.elements = this.activeDrops.rects = null;\n\t        }\n\t      }\n\t\n\t      this.clearTargets();\n\t\n\t      this.pointerIsDown = this.snapStatus.locked = this.dragging = this.resizing = this.gesturing = false;\n\t      this.prepared.name = this.prevEvent = null;\n\t      this.inertiaStatus.resumeDx = this.inertiaStatus.resumeDy = 0;\n\t\n\t      // remove pointers if their ID isn't in this.pointerIds\n\t      for (var i = 0; i < this.pointers.length; i++) {\n\t        if (indexOf(this.pointerIds, getPointerId(this.pointers[i])) === -1) {\n\t          this.pointers.splice(i, 1);\n\t        }\n\t      }\n\t    },\n\t\n\t    inertiaFrame: function inertiaFrame() {\n\t      var inertiaStatus = this.inertiaStatus,\n\t          options = this.target.options[this.prepared.name].inertia,\n\t          lambda = options.resistance,\n\t          t = new Date().getTime() / 1000 - inertiaStatus.t0;\n\t\n\t      if (t < inertiaStatus.te) {\n\t        var progress = 1 - (Math.exp(-lambda * t) - inertiaStatus.lambda_v0) / inertiaStatus.one_ve_v0;\n\t\n\t        if (inertiaStatus.modifiedXe === inertiaStatus.xe && inertiaStatus.modifiedYe === inertiaStatus.ye) {\n\t          inertiaStatus.sx = inertiaStatus.xe * progress;\n\t          inertiaStatus.sy = inertiaStatus.ye * progress;\n\t        } else {\n\t          var quadPoint = getQuadraticCurvePoint(0, 0, inertiaStatus.xe, inertiaStatus.ye, inertiaStatus.modifiedXe, inertiaStatus.modifiedYe, progress);\n\t\n\t          inertiaStatus.sx = quadPoint.x;\n\t          inertiaStatus.sy = quadPoint.y;\n\t        }\n\t\n\t        this.pointerMove(inertiaStatus.startEvent, inertiaStatus.startEvent);\n\t\n\t        inertiaStatus.i = reqFrame(this.boundInertiaFrame);\n\t      } else {\n\t        inertiaStatus.ending = true;\n\t\n\t        inertiaStatus.sx = inertiaStatus.modifiedXe;\n\t        inertiaStatus.sy = inertiaStatus.modifiedYe;\n\t\n\t        this.pointerMove(inertiaStatus.startEvent, inertiaStatus.startEvent);\n\t        this.pointerEnd(inertiaStatus.startEvent, inertiaStatus.startEvent);\n\t\n\t        inertiaStatus.active = inertiaStatus.ending = false;\n\t      }\n\t    },\n\t\n\t    smoothEndFrame: function smoothEndFrame() {\n\t      var inertiaStatus = this.inertiaStatus,\n\t          t = new Date().getTime() - inertiaStatus.t0,\n\t          duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\t\n\t      if (t < duration) {\n\t        inertiaStatus.sx = easeOutQuad(t, 0, inertiaStatus.xe, duration);\n\t        inertiaStatus.sy = easeOutQuad(t, 0, inertiaStatus.ye, duration);\n\t\n\t        this.pointerMove(inertiaStatus.startEvent, inertiaStatus.startEvent);\n\t\n\t        inertiaStatus.i = reqFrame(this.boundSmoothEndFrame);\n\t      } else {\n\t        inertiaStatus.ending = true;\n\t\n\t        inertiaStatus.sx = inertiaStatus.xe;\n\t        inertiaStatus.sy = inertiaStatus.ye;\n\t\n\t        this.pointerMove(inertiaStatus.startEvent, inertiaStatus.startEvent);\n\t        this.pointerEnd(inertiaStatus.startEvent, inertiaStatus.startEvent);\n\t\n\t        inertiaStatus.smoothEnd = inertiaStatus.active = inertiaStatus.ending = false;\n\t      }\n\t    },\n\t\n\t    addPointer: function addPointer(pointer) {\n\t      var id = getPointerId(pointer),\n\t          index = this.mouse ? 0 : indexOf(this.pointerIds, id);\n\t\n\t      if (index === -1) {\n\t        index = this.pointerIds.length;\n\t      }\n\t\n\t      this.pointerIds[index] = id;\n\t      this.pointers[index] = pointer;\n\t\n\t      return index;\n\t    },\n\t\n\t    removePointer: function removePointer(pointer) {\n\t      var id = getPointerId(pointer),\n\t          index = this.mouse ? 0 : indexOf(this.pointerIds, id);\n\t\n\t      if (index === -1) {\n\t        return;\n\t      }\n\t\n\t      this.pointers.splice(index, 1);\n\t      this.pointerIds.splice(index, 1);\n\t      this.downTargets.splice(index, 1);\n\t      this.downTimes.splice(index, 1);\n\t      this.holdTimers.splice(index, 1);\n\t    },\n\t\n\t    recordPointer: function recordPointer(pointer) {\n\t      var index = this.mouse ? 0 : indexOf(this.pointerIds, getPointerId(pointer));\n\t\n\t      if (index === -1) {\n\t        return;\n\t      }\n\t\n\t      this.pointers[index] = pointer;\n\t    },\n\t\n\t    collectEventTargets: function collectEventTargets(pointer, event, eventTarget, eventType) {\n\t      var pointerIndex = this.mouse ? 0 : indexOf(this.pointerIds, getPointerId(pointer));\n\t\n\t      // do not fire a tap event if the pointer was moved before being lifted\n\t      if (eventType === 'tap' && (this.pointerWasMoved\n\t      // or if the pointerup target is different to the pointerdown target\n\t      || !(this.downTargets[pointerIndex] && this.downTargets[pointerIndex] === eventTarget))) {\n\t        return;\n\t      }\n\t\n\t      var targets = [],\n\t          elements = [],\n\t          element = eventTarget;\n\t\n\t      function collectSelectors(interactable, selector, context) {\n\t        var els = ie8MatchesSelector ? context.querySelectorAll(selector) : undefined;\n\t\n\t        if (interactable._iEvents[eventType] && isElement(element) && inContext(interactable, element) && !testIgnore(interactable, element, eventTarget) && testAllow(interactable, element, eventTarget) && matchesSelector(element, selector, els)) {\n\t          targets.push(interactable);\n\t          elements.push(element);\n\t        }\n\t      }\n\t\n\t      while (element) {\n\t        if (interact.isSet(element) && interact(element)._iEvents[eventType]) {\n\t          targets.push(interact(element));\n\t          elements.push(element);\n\t        }\n\t\n\t        interactables.forEachSelector(collectSelectors);\n\t\n\t        element = parentElement(element);\n\t      }\n\t\n\t      // create the tap event even if there are no listeners so that\n\t      // doubletap can still be created and fired\n\t      if (targets.length || eventType === 'tap') {\n\t        this.firePointers(pointer, event, eventTarget, targets, elements, eventType);\n\t      }\n\t    },\n\t\n\t    firePointers: function firePointers(pointer, event, eventTarget, targets, elements, eventType) {\n\t      var pointerIndex = this.mouse ? 0 : indexOf(this.pointerIds, getPointerId(pointer)),\n\t          pointerEvent = {},\n\t          i,\n\t\n\t      // for tap events\n\t      interval,\n\t          createNewDoubleTap;\n\t\n\t      // if it's a doubletap then the event properties would have been\n\t      // copied from the tap event and provided as the pointer argument\n\t      if (eventType === 'doubletap') {\n\t        pointerEvent = pointer;\n\t      } else {\n\t        pointerExtend(pointerEvent, event);\n\t        if (event !== pointer) {\n\t          pointerExtend(pointerEvent, pointer);\n\t        }\n\t\n\t        pointerEvent.preventDefault = preventOriginalDefault;\n\t        pointerEvent.stopPropagation = InteractEvent.prototype.stopPropagation;\n\t        pointerEvent.stopImmediatePropagation = InteractEvent.prototype.stopImmediatePropagation;\n\t        pointerEvent.interaction = this;\n\t\n\t        pointerEvent.timeStamp = new Date().getTime();\n\t        pointerEvent.originalEvent = event;\n\t        pointerEvent.originalPointer = pointer;\n\t        pointerEvent.type = eventType;\n\t        pointerEvent.pointerId = getPointerId(pointer);\n\t        pointerEvent.pointerType = this.mouse ? 'mouse' : !supportsPointerEvent ? 'touch' : isString(pointer.pointerType) ? pointer.pointerType : [,, 'touch', 'pen', 'mouse'][pointer.pointerType];\n\t      }\n\t\n\t      if (eventType === 'tap') {\n\t        pointerEvent.dt = pointerEvent.timeStamp - this.downTimes[pointerIndex];\n\t\n\t        interval = pointerEvent.timeStamp - this.tapTime;\n\t        createNewDoubleTap = !!(this.prevTap && this.prevTap.type !== 'doubletap' && this.prevTap.target === pointerEvent.target && interval < 500);\n\t\n\t        pointerEvent.double = createNewDoubleTap;\n\t\n\t        this.tapTime = pointerEvent.timeStamp;\n\t      }\n\t\n\t      for (i = 0; i < targets.length; i++) {\n\t        pointerEvent.currentTarget = elements[i];\n\t        pointerEvent.interactable = targets[i];\n\t        targets[i].fire(pointerEvent);\n\t\n\t        if (pointerEvent.immediatePropagationStopped || pointerEvent.propagationStopped && elements[i + 1] !== pointerEvent.currentTarget) {\n\t          break;\n\t        }\n\t      }\n\t\n\t      if (createNewDoubleTap) {\n\t        var doubleTap = {};\n\t\n\t        extend(doubleTap, pointerEvent);\n\t\n\t        doubleTap.dt = interval;\n\t        doubleTap.type = 'doubletap';\n\t\n\t        this.collectEventTargets(doubleTap, event, eventTarget, 'doubletap');\n\t\n\t        this.prevTap = doubleTap;\n\t      } else if (eventType === 'tap') {\n\t        this.prevTap = pointerEvent;\n\t      }\n\t    },\n\t\n\t    validateSelector: function validateSelector(pointer, event, matches, matchElements) {\n\t      for (var i = 0, len = matches.length; i < len; i++) {\n\t        var match = matches[i],\n\t            matchElement = matchElements[i],\n\t            action = validateAction(match.getAction(pointer, event, this, matchElement), match);\n\t\n\t        if (action && withinInteractionLimit(match, matchElement, action)) {\n\t          this.target = match;\n\t          this.element = matchElement;\n\t\n\t          return action;\n\t        }\n\t      }\n\t    },\n\t\n\t    setSnapping: function setSnapping(pageCoords, status) {\n\t      var snap = this.target.options[this.prepared.name].snap,\n\t          targets = [],\n\t          target,\n\t          page,\n\t          i;\n\t\n\t      status = status || this.snapStatus;\n\t\n\t      if (status.useStatusXY) {\n\t        page = { x: status.x, y: status.y };\n\t      } else {\n\t        var origin = getOriginXY(this.target, this.element);\n\t\n\t        page = extend({}, pageCoords);\n\t\n\t        page.x -= origin.x;\n\t        page.y -= origin.y;\n\t      }\n\t\n\t      status.realX = page.x;\n\t      status.realY = page.y;\n\t\n\t      page.x = page.x - this.inertiaStatus.resumeDx;\n\t      page.y = page.y - this.inertiaStatus.resumeDy;\n\t\n\t      var len = snap.targets ? snap.targets.length : 0;\n\t\n\t      for (var relIndex = 0; relIndex < this.snapOffsets.length; relIndex++) {\n\t        var relative = {\n\t          x: page.x - this.snapOffsets[relIndex].x,\n\t          y: page.y - this.snapOffsets[relIndex].y\n\t        };\n\t\n\t        for (i = 0; i < len; i++) {\n\t          if (isFunction(snap.targets[i])) {\n\t            target = snap.targets[i](relative.x, relative.y, this);\n\t          } else {\n\t            target = snap.targets[i];\n\t          }\n\t\n\t          if (!target) {\n\t            continue;\n\t          }\n\t\n\t          targets.push({\n\t            x: isNumber(target.x) ? target.x + this.snapOffsets[relIndex].x : relative.x,\n\t            y: isNumber(target.y) ? target.y + this.snapOffsets[relIndex].y : relative.y,\n\t\n\t            range: isNumber(target.range) ? target.range : snap.range\n\t          });\n\t        }\n\t      }\n\t\n\t      var closest = {\n\t        target: null,\n\t        inRange: false,\n\t        distance: 0,\n\t        range: 0,\n\t        dx: 0,\n\t        dy: 0\n\t      };\n\t\n\t      for (i = 0, len = targets.length; i < len; i++) {\n\t        target = targets[i];\n\t\n\t        var range = target.range,\n\t            dx = target.x - page.x,\n\t            dy = target.y - page.y,\n\t            distance = hypot(dx, dy),\n\t            inRange = distance <= range;\n\t\n\t        // Infinite targets count as being out of range\n\t        // compared to non infinite ones that are in range\n\t        if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n\t          inRange = false;\n\t        }\n\t\n\t        if (!closest.target || (inRange\n\t        // is the closest target in range?\n\t        ? closest.inRange && range !== Infinity\n\t        // the pointer is relatively deeper in this target\n\t        ? distance / range < closest.distance / closest.range\n\t        // this target has Infinite range and the closest doesn't\n\t        : range === Infinity && closest.range !== Infinity ||\n\t        // OR this target is closer that the previous closest\n\t        distance < closest.distance :\n\t        // The other is not in range and the pointer is closer to this target\n\t        !closest.inRange && distance < closest.distance)) {\n\t          if (range === Infinity) {\n\t            inRange = true;\n\t          }\n\t\n\t          closest.target = target;\n\t          closest.distance = distance;\n\t          closest.range = range;\n\t          closest.inRange = inRange;\n\t          closest.dx = dx;\n\t          closest.dy = dy;\n\t\n\t          status.range = range;\n\t        }\n\t      }\n\t\n\t      var snapChanged;\n\t\n\t      if (closest.target) {\n\t        snapChanged = status.snappedX !== closest.target.x || status.snappedY !== closest.target.y;\n\t\n\t        status.snappedX = closest.target.x;\n\t        status.snappedY = closest.target.y;\n\t      } else {\n\t        snapChanged = true;\n\t\n\t        status.snappedX = NaN;\n\t        status.snappedY = NaN;\n\t      }\n\t\n\t      status.dx = closest.dx;\n\t      status.dy = closest.dy;\n\t\n\t      status.changed = snapChanged || closest.inRange && !status.locked;\n\t      status.locked = closest.inRange;\n\t\n\t      return status;\n\t    },\n\t\n\t    setRestriction: function setRestriction(pageCoords, status) {\n\t      var target = this.target,\n\t          restrict = target && target.options[this.prepared.name].restrict,\n\t          restriction = restrict && restrict.restriction,\n\t          page;\n\t\n\t      if (!restriction) {\n\t        return status;\n\t      }\n\t\n\t      status = status || this.restrictStatus;\n\t\n\t      page = status.useStatusXY ? page = { x: status.x, y: status.y } : page = extend({}, pageCoords);\n\t\n\t      if (status.snap && status.snap.locked) {\n\t        page.x += status.snap.dx || 0;\n\t        page.y += status.snap.dy || 0;\n\t      }\n\t\n\t      page.x -= this.inertiaStatus.resumeDx;\n\t      page.y -= this.inertiaStatus.resumeDy;\n\t\n\t      status.dx = 0;\n\t      status.dy = 0;\n\t      status.restricted = false;\n\t\n\t      var rect, restrictedX, restrictedY;\n\t\n\t      if (isString(restriction)) {\n\t        if (restriction === 'parent') {\n\t          restriction = parentElement(this.element);\n\t        } else if (restriction === 'self') {\n\t          restriction = target.getRect(this.element);\n\t        } else {\n\t          restriction = closest(this.element, restriction);\n\t        }\n\t\n\t        if (!restriction) {\n\t          return status;\n\t        }\n\t      }\n\t\n\t      if (isFunction(restriction)) {\n\t        restriction = restriction(page.x, page.y, this.element);\n\t      }\n\t\n\t      if (isElement(restriction)) {\n\t        restriction = getElementRect(restriction);\n\t      }\n\t\n\t      rect = restriction;\n\t\n\t      if (!restriction) {\n\t        restrictedX = page.x;\n\t        restrictedY = page.y;\n\t      }\n\t      // object is assumed to have\n\t      // x, y, width, height or\n\t      // left, top, right, bottom\n\t      else if ('x' in restriction && 'y' in restriction) {\n\t          restrictedX = Math.max(Math.min(rect.x + rect.width - this.restrictOffset.right, page.x), rect.x + this.restrictOffset.left);\n\t          restrictedY = Math.max(Math.min(rect.y + rect.height - this.restrictOffset.bottom, page.y), rect.y + this.restrictOffset.top);\n\t        } else {\n\t          restrictedX = Math.max(Math.min(rect.right - this.restrictOffset.right, page.x), rect.left + this.restrictOffset.left);\n\t          restrictedY = Math.max(Math.min(rect.bottom - this.restrictOffset.bottom, page.y), rect.top + this.restrictOffset.top);\n\t        }\n\t\n\t      status.dx = restrictedX - page.x;\n\t      status.dy = restrictedY - page.y;\n\t\n\t      status.changed = status.restrictedX !== restrictedX || status.restrictedY !== restrictedY;\n\t      status.restricted = !!(status.dx || status.dy);\n\t\n\t      status.restrictedX = restrictedX;\n\t      status.restrictedY = restrictedY;\n\t\n\t      return status;\n\t    },\n\t\n\t    checkAndPreventDefault: function checkAndPreventDefault(event, interactable, element) {\n\t      if (!(interactable = interactable || this.target)) {\n\t        return;\n\t      }\n\t\n\t      var options = interactable.options,\n\t          prevent = options.preventDefault;\n\t\n\t      if (prevent === 'auto' && element && !/^(input|select|textarea)$/i.test(event.target.nodeName)) {\n\t        // do not preventDefault on pointerdown if the prepared action is a drag\n\t        // and dragging can only start from a certain direction - this allows\n\t        // a touch to pan the viewport if a drag isn't in the right direction\n\t        if (/down|start/i.test(event.type) && this.prepared.name === 'drag' && options.drag.axis !== 'xy') {\n\t          return;\n\t        }\n\t\n\t        // with manualStart, only preventDefault while interacting\n\t        if (options[this.prepared.name] && options[this.prepared.name].manualStart && !this.interacting()) {\n\t          return;\n\t        }\n\t\n\t        event.preventDefault();\n\t        return;\n\t      }\n\t\n\t      if (prevent === 'always') {\n\t        event.preventDefault();\n\t        return;\n\t      }\n\t    },\n\t\n\t    calcInertia: function calcInertia(status) {\n\t      var inertiaOptions = this.target.options[this.prepared.name].inertia,\n\t          lambda = inertiaOptions.resistance,\n\t          inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\t\n\t      status.x0 = this.prevEvent.pageX;\n\t      status.y0 = this.prevEvent.pageY;\n\t      status.t0 = status.startEvent.timeStamp / 1000;\n\t      status.sx = status.sy = 0;\n\t\n\t      status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n\t      status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n\t      status.te = inertiaDur;\n\t\n\t      status.lambda_v0 = lambda / status.v0;\n\t      status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n\t    },\n\t\n\t    autoScrollMove: function autoScrollMove(pointer) {\n\t      if (!(this.interacting() && checkAutoScroll(this.target, this.prepared.name))) {\n\t        return;\n\t      }\n\t\n\t      if (this.inertiaStatus.active) {\n\t        autoScroll.x = autoScroll.y = 0;\n\t        return;\n\t      }\n\t\n\t      var top,\n\t          right,\n\t          bottom,\n\t          left,\n\t          options = this.target.options[this.prepared.name].autoScroll,\n\t          container = options.container || getWindow(this.element);\n\t\n\t      if (isWindow(container)) {\n\t        left = pointer.clientX < autoScroll.margin;\n\t        top = pointer.clientY < autoScroll.margin;\n\t        right = pointer.clientX > container.innerWidth - autoScroll.margin;\n\t        bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n\t      } else {\n\t        var rect = getElementClientRect(container);\n\t\n\t        left = pointer.clientX < rect.left + autoScroll.margin;\n\t        top = pointer.clientY < rect.top + autoScroll.margin;\n\t        right = pointer.clientX > rect.right - autoScroll.margin;\n\t        bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n\t      }\n\t\n\t      autoScroll.x = right ? 1 : left ? -1 : 0;\n\t      autoScroll.y = bottom ? 1 : top ? -1 : 0;\n\t\n\t      if (!autoScroll.isScrolling) {\n\t        // set the autoScroll properties to those of the target\n\t        autoScroll.margin = options.margin;\n\t        autoScroll.speed = options.speed;\n\t\n\t        autoScroll.start(this);\n\t      }\n\t    },\n\t\n\t    _updateEventTargets: function _updateEventTargets(target, currentTarget) {\n\t      this._eventTarget = target;\n\t      this._curEventTarget = currentTarget;\n\t    }\n\t\n\t  };\n\t\n\t  function getInteractionFromPointer(pointer, eventType, eventTarget) {\n\t    var i = 0,\n\t        len = interactions.length,\n\t        mouseEvent = /mouse/i.test(pointer.pointerType || eventType)\n\t    // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n\t    || pointer.pointerType === 4,\n\t        interaction;\n\t\n\t    var id = getPointerId(pointer);\n\t\n\t    // try to resume inertia with a new pointer\n\t    if (/down|start/i.test(eventType)) {\n\t      for (i = 0; i < len; i++) {\n\t        interaction = interactions[i];\n\t\n\t        var element = eventTarget;\n\t\n\t        if (interaction.inertiaStatus.active && interaction.target.options[interaction.prepared.name].inertia.allowResume && interaction.mouse === mouseEvent) {\n\t          while (element) {\n\t            // if the element is the interaction element\n\t            if (element === interaction.element) {\n\t              return interaction;\n\t            }\n\t            element = parentElement(element);\n\t          }\n\t        }\n\t      }\n\t    }\n\t\n\t    // if it's a mouse interaction\n\t    if (mouseEvent || !supportsTouch || supportsPointerEvent) {\n\t      // find a mouse interaction that's not in inertia phase\n\t      for (i = 0; i < len; i++) {\n\t        if (interactions[i].mouse && !interactions[i].inertiaStatus.active) {\n\t          return interactions[i];\n\t        }\n\t      }\n\t\n\t      // find any interaction specifically for mouse.\n\t      // if the eventType is a mousedown, and inertia is active\n\t      // ignore the interaction\n\t      for (i = 0; i < len; i++) {\n\t        if (interactions[i].mouse && !(/down/.test(eventType) && interactions[i].inertiaStatus.active)) {\n\t          return interaction;\n\t        }\n\t      }\n\t\n\t      // create a new interaction for mouse\n\t      interaction = new Interaction();\n\t      interaction.mouse = true;\n\t\n\t      return interaction;\n\t    }\n\t\n\t    // get interaction that has this pointer\n\t    for (i = 0; i < len; i++) {\n\t      if (contains(interactions[i].pointerIds, id)) {\n\t        return interactions[i];\n\t      }\n\t    }\n\t\n\t    // at this stage, a pointerUp should not return an interaction\n\t    if (/up|end|out/i.test(eventType)) {\n\t      return null;\n\t    }\n\t\n\t    // get first idle interaction\n\t    for (i = 0; i < len; i++) {\n\t      interaction = interactions[i];\n\t\n\t      if ((!interaction.prepared.name || interaction.target.options.gesture.enabled) && !interaction.interacting() && !(!mouseEvent && interaction.mouse)) {\n\t        return interaction;\n\t      }\n\t    }\n\t\n\t    return new Interaction();\n\t  }\n\t\n\t  function doOnInteractions(method) {\n\t    return function (event) {\n\t      var interaction,\n\t          eventTarget = getActualElement(event.path ? event.path[0] : event.target),\n\t          curEventTarget = getActualElement(event.currentTarget),\n\t          i;\n\t\n\t      if (supportsTouch && /touch/.test(event.type)) {\n\t        prevTouchTime = new Date().getTime();\n\t\n\t        for (i = 0; i < event.changedTouches.length; i++) {\n\t          var pointer = event.changedTouches[i];\n\t\n\t          interaction = getInteractionFromPointer(pointer, event.type, eventTarget);\n\t\n\t          if (!interaction) {\n\t            continue;\n\t          }\n\t\n\t          interaction._updateEventTargets(eventTarget, curEventTarget);\n\t\n\t          interaction[method](pointer, event, eventTarget, curEventTarget);\n\t        }\n\t      } else {\n\t        if (!supportsPointerEvent && /mouse/.test(event.type)) {\n\t          // ignore mouse events while touch interactions are active\n\t          for (i = 0; i < interactions.length; i++) {\n\t            if (!interactions[i].mouse && interactions[i].pointerIsDown) {\n\t              return;\n\t            }\n\t          }\n\t\n\t          // try to ignore mouse events that are simulated by the browser\n\t          // after a touch event\n\t          if (new Date().getTime() - prevTouchTime < 500) {\n\t            return;\n\t          }\n\t        }\n\t\n\t        interaction = getInteractionFromPointer(event, event.type, eventTarget);\n\t\n\t        if (!interaction) {\n\t          return;\n\t        }\n\t\n\t        interaction._updateEventTargets(eventTarget, curEventTarget);\n\t\n\t        interaction[method](event, event, eventTarget, curEventTarget);\n\t      }\n\t    };\n\t  }\n\t\n\t  function InteractEvent(interaction, event, action, phase, element, related) {\n\t    var client,\n\t        page,\n\t        target = interaction.target,\n\t        snapStatus = interaction.snapStatus,\n\t        restrictStatus = interaction.restrictStatus,\n\t        pointers = interaction.pointers,\n\t        deltaSource = (target && target.options || defaultOptions).deltaSource,\n\t        sourceX = deltaSource + 'X',\n\t        sourceY = deltaSource + 'Y',\n\t        options = target ? target.options : defaultOptions,\n\t        origin = getOriginXY(target, element),\n\t        starting = phase === 'start',\n\t        ending = phase === 'end',\n\t        coords = starting ? interaction.startCoords : interaction.curCoords;\n\t\n\t    element = element || interaction.element;\n\t\n\t    page = extend({}, coords.page);\n\t    client = extend({}, coords.client);\n\t\n\t    page.x -= origin.x;\n\t    page.y -= origin.y;\n\t\n\t    client.x -= origin.x;\n\t    client.y -= origin.y;\n\t\n\t    var relativePoints = options[action].snap && options[action].snap.relativePoints;\n\t\n\t    if (checkSnap(target, action) && !(starting && relativePoints && relativePoints.length)) {\n\t      this.snap = {\n\t        range: snapStatus.range,\n\t        locked: snapStatus.locked,\n\t        x: snapStatus.snappedX,\n\t        y: snapStatus.snappedY,\n\t        realX: snapStatus.realX,\n\t        realY: snapStatus.realY,\n\t        dx: snapStatus.dx,\n\t        dy: snapStatus.dy\n\t      };\n\t\n\t      if (snapStatus.locked) {\n\t        page.x += snapStatus.dx;\n\t        page.y += snapStatus.dy;\n\t        client.x += snapStatus.dx;\n\t        client.y += snapStatus.dy;\n\t      }\n\t    }\n\t\n\t    if (checkRestrict(target, action) && !(starting && options[action].restrict.elementRect) && restrictStatus.restricted) {\n\t      page.x += restrictStatus.dx;\n\t      page.y += restrictStatus.dy;\n\t      client.x += restrictStatus.dx;\n\t      client.y += restrictStatus.dy;\n\t\n\t      this.restrict = {\n\t        dx: restrictStatus.dx,\n\t        dy: restrictStatus.dy\n\t      };\n\t    }\n\t\n\t    this.pageX = page.x;\n\t    this.pageY = page.y;\n\t    this.clientX = client.x;\n\t    this.clientY = client.y;\n\t\n\t    this.x0 = interaction.startCoords.page.x - origin.x;\n\t    this.y0 = interaction.startCoords.page.y - origin.y;\n\t    this.clientX0 = interaction.startCoords.client.x - origin.x;\n\t    this.clientY0 = interaction.startCoords.client.y - origin.y;\n\t    this.ctrlKey = event.ctrlKey;\n\t    this.altKey = event.altKey;\n\t    this.shiftKey = event.shiftKey;\n\t    this.metaKey = event.metaKey;\n\t    this.button = event.button;\n\t    this.buttons = event.buttons;\n\t    this.target = element;\n\t    this.t0 = interaction.downTimes[0];\n\t    this.type = action + (phase || '');\n\t\n\t    this.interaction = interaction;\n\t    this.interactable = target;\n\t\n\t    var inertiaStatus = interaction.inertiaStatus;\n\t\n\t    if (inertiaStatus.active) {\n\t      this.detail = 'inertia';\n\t    }\n\t\n\t    if (related) {\n\t      this.relatedTarget = related;\n\t    }\n\t\n\t    // end event dx, dy is difference between start and end points\n\t    if (ending) {\n\t      if (deltaSource === 'client') {\n\t        this.dx = client.x - interaction.startCoords.client.x;\n\t        this.dy = client.y - interaction.startCoords.client.y;\n\t      } else {\n\t        this.dx = page.x - interaction.startCoords.page.x;\n\t        this.dy = page.y - interaction.startCoords.page.y;\n\t      }\n\t    } else if (starting) {\n\t      this.dx = 0;\n\t      this.dy = 0;\n\t    }\n\t    // copy properties from previousmove if starting inertia\n\t    else if (phase === 'inertiastart') {\n\t        this.dx = interaction.prevEvent.dx;\n\t        this.dy = interaction.prevEvent.dy;\n\t      } else {\n\t        if (deltaSource === 'client') {\n\t          this.dx = client.x - interaction.prevEvent.clientX;\n\t          this.dy = client.y - interaction.prevEvent.clientY;\n\t        } else {\n\t          this.dx = page.x - interaction.prevEvent.pageX;\n\t          this.dy = page.y - interaction.prevEvent.pageY;\n\t        }\n\t      }\n\t    if (interaction.prevEvent && interaction.prevEvent.detail === 'inertia' && !inertiaStatus.active && options[action].inertia && options[action].inertia.zeroResumeDelta) {\n\t      inertiaStatus.resumeDx += this.dx;\n\t      inertiaStatus.resumeDy += this.dy;\n\t\n\t      this.dx = this.dy = 0;\n\t    }\n\t\n\t    if (action === 'resize' && interaction.resizeAxes) {\n\t      if (options.resize.square) {\n\t        if (interaction.resizeAxes === 'y') {\n\t          this.dx = this.dy;\n\t        } else {\n\t          this.dy = this.dx;\n\t        }\n\t        this.axes = 'xy';\n\t      } else {\n\t        this.axes = interaction.resizeAxes;\n\t\n\t        if (interaction.resizeAxes === 'x') {\n\t          this.dy = 0;\n\t        } else if (interaction.resizeAxes === 'y') {\n\t          this.dx = 0;\n\t        }\n\t      }\n\t    } else if (action === 'gesture') {\n\t      this.touches = [pointers[0], pointers[1]];\n\t\n\t      if (starting) {\n\t        this.distance = touchDistance(pointers, deltaSource);\n\t        this.box = touchBBox(pointers);\n\t        this.scale = 1;\n\t        this.ds = 0;\n\t        this.angle = touchAngle(pointers, undefined, deltaSource);\n\t        this.da = 0;\n\t      } else if (ending || event instanceof InteractEvent) {\n\t        this.distance = interaction.prevEvent.distance;\n\t        this.box = interaction.prevEvent.box;\n\t        this.scale = interaction.prevEvent.scale;\n\t        this.ds = this.scale - 1;\n\t        this.angle = interaction.prevEvent.angle;\n\t        this.da = this.angle - interaction.gesture.startAngle;\n\t      } else {\n\t        this.distance = touchDistance(pointers, deltaSource);\n\t        this.box = touchBBox(pointers);\n\t        this.scale = this.distance / interaction.gesture.startDistance;\n\t        this.angle = touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\t\n\t        this.ds = this.scale - interaction.gesture.prevScale;\n\t        this.da = this.angle - interaction.gesture.prevAngle;\n\t      }\n\t    }\n\t\n\t    if (starting) {\n\t      this.timeStamp = interaction.downTimes[0];\n\t      this.dt = 0;\n\t      this.duration = 0;\n\t      this.speed = 0;\n\t      this.velocityX = 0;\n\t      this.velocityY = 0;\n\t    } else if (phase === 'inertiastart') {\n\t      this.timeStamp = interaction.prevEvent.timeStamp;\n\t      this.dt = interaction.prevEvent.dt;\n\t      this.duration = interaction.prevEvent.duration;\n\t      this.speed = interaction.prevEvent.speed;\n\t      this.velocityX = interaction.prevEvent.velocityX;\n\t      this.velocityY = interaction.prevEvent.velocityY;\n\t    } else {\n\t      this.timeStamp = new Date().getTime();\n\t      this.dt = this.timeStamp - interaction.prevEvent.timeStamp;\n\t      this.duration = this.timeStamp - interaction.downTimes[0];\n\t\n\t      if (event instanceof InteractEvent) {\n\t        var dx = this[sourceX] - interaction.prevEvent[sourceX],\n\t            dy = this[sourceY] - interaction.prevEvent[sourceY],\n\t            dt = this.dt / 1000;\n\t\n\t        this.speed = hypot(dx, dy) / dt;\n\t        this.velocityX = dx / dt;\n\t        this.velocityY = dy / dt;\n\t      }\n\t      // if normal move or end event, use previous user event coords\n\t      else {\n\t          // speed and velocity in pixels per second\n\t          this.speed = interaction.pointerDelta[deltaSource].speed;\n\t          this.velocityX = interaction.pointerDelta[deltaSource].vx;\n\t          this.velocityY = interaction.pointerDelta[deltaSource].vy;\n\t        }\n\t    }\n\t\n\t    if ((ending || phase === 'inertiastart') && interaction.prevEvent.speed > 600 && this.timeStamp - interaction.prevEvent.timeStamp < 150) {\n\t      var angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI,\n\t          overlap = 22.5;\n\t\n\t      if (angle < 0) {\n\t        angle += 360;\n\t      }\n\t\n\t      var left = 135 - overlap <= angle && angle < 225 + overlap,\n\t          up = 225 - overlap <= angle && angle < 315 + overlap,\n\t          right = !left && (315 - overlap <= angle || angle < 45 + overlap),\n\t          down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\t\n\t      this.swipe = {\n\t        up: up,\n\t        down: down,\n\t        left: left,\n\t        right: right,\n\t        angle: angle,\n\t        speed: interaction.prevEvent.speed,\n\t        velocity: {\n\t          x: interaction.prevEvent.velocityX,\n\t          y: interaction.prevEvent.velocityY\n\t        }\n\t      };\n\t    }\n\t  }\n\t\n\t  InteractEvent.prototype = {\n\t    preventDefault: blank,\n\t    stopImmediatePropagation: function stopImmediatePropagation() {\n\t      this.immediatePropagationStopped = this.propagationStopped = true;\n\t    },\n\t    stopPropagation: function stopPropagation() {\n\t      this.propagationStopped = true;\n\t    }\n\t  };\n\t\n\t  function preventOriginalDefault() {\n\t    this.originalEvent.preventDefault();\n\t  }\n\t\n\t  function getActionCursor(action) {\n\t    var cursor = '';\n\t\n\t    if (action.name === 'drag') {\n\t      cursor = actionCursors.drag;\n\t    }\n\t    if (action.name === 'resize') {\n\t      if (action.axis) {\n\t        cursor = actionCursors[action.name + action.axis];\n\t      } else if (action.edges) {\n\t        var cursorKey = 'resize',\n\t            edgeNames = ['top', 'bottom', 'left', 'right'];\n\t\n\t        for (var i = 0; i < 4; i++) {\n\t          if (action.edges[edgeNames[i]]) {\n\t            cursorKey += edgeNames[i];\n\t          }\n\t        }\n\t\n\t        cursor = actionCursors[cursorKey];\n\t      }\n\t    }\n\t\n\t    return cursor;\n\t  }\n\t\n\t  function checkResizeEdge(name, value, page, element, interactableElement, rect, margin) {\n\t    // false, '', undefined, null\n\t    if (!value) {\n\t      return false;\n\t    }\n\t\n\t    // true value, use pointer coords and element rect\n\t    if (value === true) {\n\t      // if dimensions are negative, \"switch\" edges\n\t      var width = isNumber(rect.width) ? rect.width : rect.right - rect.left,\n\t          height = isNumber(rect.height) ? rect.height : rect.bottom - rect.top;\n\t\n\t      if (width < 0) {\n\t        if (name === 'left') {\n\t          name = 'right';\n\t        } else if (name === 'right') {\n\t          name = 'left';\n\t        }\n\t      }\n\t      if (height < 0) {\n\t        if (name === 'top') {\n\t          name = 'bottom';\n\t        } else if (name === 'bottom') {\n\t          name = 'top';\n\t        }\n\t      }\n\t\n\t      if (name === 'left') {\n\t        return page.x < (width >= 0 ? rect.left : rect.right) + margin;\n\t      }\n\t      if (name === 'top') {\n\t        return page.y < (height >= 0 ? rect.top : rect.bottom) + margin;\n\t      }\n\t\n\t      if (name === 'right') {\n\t        return page.x > (width >= 0 ? rect.right : rect.left) - margin;\n\t      }\n\t      if (name === 'bottom') {\n\t        return page.y > (height >= 0 ? rect.bottom : rect.top) - margin;\n\t      }\n\t    }\n\t\n\t    // the remaining checks require an element\n\t    if (!isElement(element)) {\n\t      return false;\n\t    }\n\t\n\t    return isElement(value)\n\t    // the value is an element to use as a resize handle\n\t    ? value === element\n\t    // otherwise check if element matches value as selector\n\t    : matchesUpTo(element, value, interactableElement);\n\t  }\n\t\n\t  function defaultActionChecker(pointer, interaction, element) {\n\t    var rect = this.getRect(element),\n\t        shouldResize = false,\n\t        action = null,\n\t        resizeAxes = null,\n\t        resizeEdges,\n\t        page = extend({}, interaction.curCoords.page),\n\t        options = this.options;\n\t\n\t    if (!rect) {\n\t      return null;\n\t    }\n\t\n\t    if (actionIsEnabled.resize && options.resize.enabled) {\n\t      var resizeOptions = options.resize;\n\t\n\t      resizeEdges = {\n\t        left: false, right: false, top: false, bottom: false\n\t      };\n\t\n\t      // if using resize.edges\n\t      if (isObject(resizeOptions.edges)) {\n\t        for (var edge in resizeEdges) {\n\t          resizeEdges[edge] = checkResizeEdge(edge, resizeOptions.edges[edge], page, interaction._eventTarget, element, rect, resizeOptions.margin || margin);\n\t        }\n\t\n\t        resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n\t        resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\t\n\t        shouldResize = resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom;\n\t      } else {\n\t        var right = options.resize.axis !== 'y' && page.x > rect.right - margin,\n\t            bottom = options.resize.axis !== 'x' && page.y > rect.bottom - margin;\n\t\n\t        shouldResize = right || bottom;\n\t        resizeAxes = (right ? 'x' : '') + (bottom ? 'y' : '');\n\t      }\n\t    }\n\t\n\t    action = shouldResize ? 'resize' : actionIsEnabled.drag && options.drag.enabled ? 'drag' : null;\n\t\n\t    if (actionIsEnabled.gesture && interaction.pointerIds.length >= 2 && !(interaction.dragging || interaction.resizing)) {\n\t      action = 'gesture';\n\t    }\n\t\n\t    if (action) {\n\t      return {\n\t        name: action,\n\t        axis: resizeAxes,\n\t        edges: resizeEdges\n\t      };\n\t    }\n\t\n\t    return null;\n\t  }\n\t\n\t  // Check if action is enabled globally and the current target supports it\n\t  // If so, return the validated action. Otherwise, return null\n\t  function validateAction(action, interactable) {\n\t    if (!isObject(action)) {\n\t      return null;\n\t    }\n\t\n\t    var actionName = action.name,\n\t        options = interactable.options;\n\t\n\t    if ((actionName === 'resize' && options.resize.enabled || actionName === 'drag' && options.drag.enabled || actionName === 'gesture' && options.gesture.enabled) && actionIsEnabled[actionName]) {\n\t      if (actionName === 'resize' || actionName === 'resizeyx') {\n\t        actionName = 'resizexy';\n\t      }\n\t\n\t      return action;\n\t    }\n\t    return null;\n\t  }\n\t\n\t  var listeners = {},\n\t      interactionListeners = ['dragStart', 'dragMove', 'resizeStart', 'resizeMove', 'gestureStart', 'gestureMove', 'pointerOver', 'pointerOut', 'pointerHover', 'selectorDown', 'pointerDown', 'pointerMove', 'pointerUp', 'pointerCancel', 'pointerEnd', 'addPointer', 'removePointer', 'recordPointer', 'autoScrollMove'];\n\t\n\t  for (var i = 0, len = interactionListeners.length; i < len; i++) {\n\t    var name = interactionListeners[i];\n\t\n\t    listeners[name] = doOnInteractions(name);\n\t  }\n\t\n\t  // bound to the interactable context when a DOM event\n\t  // listener is added to a selector interactable\n\t  function delegateListener(event, useCapture) {\n\t    var fakeEvent = {},\n\t        delegated = delegatedEvents[event.type],\n\t        eventTarget = getActualElement(event.path ? event.path[0] : event.target),\n\t        element = eventTarget;\n\t\n\t    useCapture = useCapture ? true : false;\n\t\n\t    // duplicate the event so that currentTarget can be changed\n\t    for (var prop in event) {\n\t      fakeEvent[prop] = event[prop];\n\t    }\n\t\n\t    fakeEvent.originalEvent = event;\n\t    fakeEvent.preventDefault = preventOriginalDefault;\n\t\n\t    // climb up document tree looking for selector matches\n\t    while (isElement(element)) {\n\t      for (var i = 0; i < delegated.selectors.length; i++) {\n\t        var selector = delegated.selectors[i],\n\t            context = delegated.contexts[i];\n\t\n\t        if (matchesSelector(element, selector) && nodeContains(context, eventTarget) && nodeContains(context, element)) {\n\t          var listeners = delegated.listeners[i];\n\t\n\t          fakeEvent.currentTarget = element;\n\t\n\t          for (var j = 0; j < listeners.length; j++) {\n\t            if (listeners[j][1] === useCapture) {\n\t              listeners[j][0](fakeEvent);\n\t            }\n\t          }\n\t        }\n\t      }\n\t\n\t      element = parentElement(element);\n\t    }\n\t  }\n\t\n\t  function delegateUseCapture(event) {\n\t    return delegateListener.call(this, event, true);\n\t  }\n\t\n\t  interactables.indexOfElement = function indexOfElement(element, context) {\n\t    context = context || document;\n\t\n\t    for (var i = 0; i < this.length; i++) {\n\t      var interactable = this[i];\n\t\n\t      if (interactable.selector === element && interactable._context === context || !interactable.selector && interactable._element === element) {\n\t        return i;\n\t      }\n\t    }\n\t    return -1;\n\t  };\n\t\n\t  interactables.get = function interactableGet(element, options) {\n\t    return this[this.indexOfElement(element, options && options.context)];\n\t  };\n\t\n\t  interactables.forEachSelector = function (callback) {\n\t    for (var i = 0; i < this.length; i++) {\n\t      var interactable = this[i];\n\t\n\t      if (!interactable.selector) {\n\t        continue;\n\t      }\n\t\n\t      var ret = callback(interactable, interactable.selector, interactable._context, i, this);\n\t\n\t      if (ret !== undefined) {\n\t        return ret;\n\t      }\n\t    }\n\t  };\n\t\n\t  /* \\\n\t   * interact\n\t   [ method ]\n\t   *\n\t   * The methods of this variable can be used to set elements as\n\t   * interactables and also to change various default settings.\n\t   *\n\t   * Calling it as a function and passing an element or a valid CSS selector\n\t   * string returns an Interactable object which has various methods to\n\t   * configure it.\n\t   *\n\t   - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n\t   = (object) An @Interactable\n\t   *\n\t   > Usage\n\t   | interact(document.getElementById('draggable')).draggable(true);\n\t   |\n\t   | var rectables = interact('rect');\n\t   | rectables\n\t   |     .gesturable(true)\n\t   |     .on('gesturemove', function (event) {\n\t   |         // something cool...\n\t   |     })\n\t   |     .autoScroll(true);\n\t  \\*/\n\t  function interact(element, options) {\n\t    return interactables.get(element, options) || new Interactable(element, options);\n\t  }\n\t\n\t  /* \\\n\t   * Interactable\n\t   [ property ]\n\t   **\n\t   * Object type returned by @interact\n\t  \\*/\n\t  function Interactable(element, options) {\n\t    this._element = element;\n\t    this._iEvents = this._iEvents || {};\n\t\n\t    var _window;\n\t\n\t    if (trySelector(element)) {\n\t      this.selector = element;\n\t\n\t      var context = options && options.context;\n\t\n\t      _window = context ? getWindow(context) : window;\n\t\n\t      if (context && (_window.Node ? context instanceof _window.Node : isElement(context) || context === _window.document)) {\n\t        this._context = context;\n\t      }\n\t    } else {\n\t      _window = getWindow(element);\n\t\n\t      if (isElement(element, _window)) {\n\t        if (supportsPointerEvent) {\n\t          events.add(this._element, pEventTypes.down, listeners.pointerDown);\n\t          events.add(this._element, pEventTypes.move, listeners.pointerHover);\n\t        } else {\n\t          events.add(this._element, 'mousedown', listeners.pointerDown);\n\t          events.add(this._element, 'mousemove', listeners.pointerHover);\n\t          events.add(this._element, 'touchstart', listeners.pointerDown);\n\t          events.add(this._element, 'touchmove', listeners.pointerHover);\n\t        }\n\t      }\n\t    }\n\t\n\t    this._doc = _window.document;\n\t\n\t    if (!contains(documents, this._doc)) {\n\t      listenToDocument(this._doc);\n\t    }\n\t\n\t    interactables.push(this);\n\t\n\t    this.set(options);\n\t  }\n\t\n\t  Interactable.prototype = {\n\t    setOnEvents: function setOnEvents(action, phases) {\n\t      if (action === 'drop') {\n\t        if (isFunction(phases.ondrop)) {\n\t          this.ondrop = phases.ondrop;\n\t        }\n\t        if (isFunction(phases.ondropactivate)) {\n\t          this.ondropactivate = phases.ondropactivate;\n\t        }\n\t        if (isFunction(phases.ondropdeactivate)) {\n\t          this.ondropdeactivate = phases.ondropdeactivate;\n\t        }\n\t        if (isFunction(phases.ondragenter)) {\n\t          this.ondragenter = phases.ondragenter;\n\t        }\n\t        if (isFunction(phases.ondragleave)) {\n\t          this.ondragleave = phases.ondragleave;\n\t        }\n\t        if (isFunction(phases.ondropmove)) {\n\t          this.ondropmove = phases.ondropmove;\n\t        }\n\t      } else {\n\t        action = 'on' + action;\n\t\n\t        if (isFunction(phases.onstart)) {\n\t          this[action + 'start'] = phases.onstart;\n\t        }\n\t        if (isFunction(phases.onmove)) {\n\t          this[action + 'move'] = phases.onmove;\n\t        }\n\t        if (isFunction(phases.onend)) {\n\t          this[action + 'end'] = phases.onend;\n\t        }\n\t        if (isFunction(phases.oninertiastart)) {\n\t          this[action + 'inertiastart'] = phases.oninertiastart;\n\t        }\n\t      }\n\t\n\t      return this;\n\t    },\n\t\n\t    /* \\\n\t     * Interactable.draggable\n\t     [ method ]\n\t     *\n\t     * Gets or sets whether drag actions can be performed on the\n\t     * Interactable\n\t     *\n\t     = (boolean) Indicates if this can be the target of drag events\n\t     | var isDraggable = interact('ul li').draggable();\n\t     * or\n\t     - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n\t     = (object) This Interactable\n\t     | interact(element).draggable({\n\t     |     onstart: function (event) {},\n\t     |     onmove : function (event) {},\n\t     |     onend  : function (event) {},\n\t     |\n\t     |     // the axis in which the first movement must be\n\t     |     // for the drag sequence to start\n\t     |     // 'xy' by default - any direction\n\t     |     axis: 'x' || 'y' || 'xy',\n\t     |\n\t     |     // max number of drags that can happen concurrently\n\t     |     // with elements of this Interactable. Infinity by default\n\t     |     max: Infinity,\n\t     |\n\t     |     // max number of drags that can target the same element+Interactable\n\t     |     // 1 by default\n\t     |     maxPerElement: 2\n\t     | });\n\t    \\*/\n\t    draggable: function draggable(options) {\n\t      if (isObject(options)) {\n\t        this.options.drag.enabled = options.enabled === false ? false : true;\n\t        this.setPerAction('drag', options);\n\t        this.setOnEvents('drag', options);\n\t\n\t        if (/^x$|^y$|^xy$/.test(options.axis)) {\n\t          this.options.drag.axis = options.axis;\n\t        } else if (options.axis === null) {\n\t          delete this.options.drag.axis;\n\t        }\n\t\n\t        return this;\n\t      }\n\t\n\t      if (isBool(options)) {\n\t        this.options.drag.enabled = options;\n\t\n\t        return this;\n\t      }\n\t\n\t      return this.options.drag;\n\t    },\n\t\n\t    setPerAction: function setPerAction(action, options) {\n\t      // for all the default per-action options\n\t      for (var option in options) {\n\t        // if this option exists for this action\n\t        if (option in defaultOptions[action]) {\n\t          // if the option in the options arg is an object value\n\t          if (isObject(options[option])) {\n\t            // duplicate the object\n\t            this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\t\n\t            if (isObject(defaultOptions.perAction[option]) && 'enabled' in defaultOptions.perAction[option]) {\n\t              this.options[action][option].enabled = options[option].enabled === false ? false : true;\n\t            }\n\t          } else if (isBool(options[option]) && isObject(defaultOptions.perAction[option])) {\n\t            this.options[action][option].enabled = options[option];\n\t          } else if (options[option] !== undefined) {\n\t            // or if it's not undefined, do a plain assignment\n\t            this.options[action][option] = options[option];\n\t          }\n\t        }\n\t      }\n\t    },\n\t\n\t    /* \\\n\t     * Interactable.dropzone\n\t     [ method ]\n\t     *\n\t     * Returns or sets whether elements can be dropped onto this\n\t     * Interactable to trigger drop events\n\t     *\n\t     * Dropzones can receive the following events:\n\t     *  - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n\t     *  - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n\t     *  - `dragmove` when a draggable that has entered the dropzone is moved\n\t     *  - `drop` when a draggable is dropped into this dropzone\n\t     *\n\t     *  Use the `accept` option to allow only elements that match the given CSS selector or element.\n\t     *\n\t     *  Use the `overlap` option to set how drops are checked for. The allowed values are:\n\t     *   - `'pointer'`, the pointer must be over the dropzone (default)\n\t     *   - `'center'`, the draggable element's center must be over the dropzone\n\t     *   - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n\t     *       e.g. `0.5` for drop to happen when half of the area of the\n\t     *       draggable is over the dropzone\n\t     *\n\t     - options (boolean | object | null) #optional The new value to be set.\n\t     | interact('.drop').dropzone({\n\t     |   accept: '.can-drop' || document.getElementById('single-drop'),\n\t     |   overlap: 'pointer' || 'center' || zeroToOne\n\t     | }\n\t     = (boolean | object) The current setting or this Interactable\n\t    \\*/\n\t    dropzone: function dropzone(options) {\n\t      if (isObject(options)) {\n\t        this.options.drop.enabled = options.enabled === false ? false : true;\n\t        this.setOnEvents('drop', options);\n\t\n\t        if (/^(pointer|center)$/.test(options.overlap)) {\n\t          this.options.drop.overlap = options.overlap;\n\t        } else if (isNumber(options.overlap)) {\n\t          this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n\t        }\n\t        if ('accept' in options) {\n\t          this.options.drop.accept = options.accept;\n\t        }\n\t        if ('checker' in options) {\n\t          this.options.drop.checker = options.checker;\n\t        }\n\t\n\t        return this;\n\t      }\n\t\n\t      if (isBool(options)) {\n\t        this.options.drop.enabled = options;\n\t\n\t        return this;\n\t      }\n\t\n\t      return this.options.drop;\n\t    },\n\t\n\t    dropCheck: function dropCheck(dragEvent, event, draggable, draggableElement, dropElement, rect) {\n\t      var dropped = false;\n\t\n\t      // if the dropzone has no rect (eg. display: none)\n\t      // call the custom dropChecker or just return false\n\t      if (!(rect = rect || this.getRect(dropElement))) {\n\t        return this.options.drop.checker ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement) : false;\n\t      }\n\t\n\t      var dropOverlap = this.options.drop.overlap;\n\t\n\t      if (dropOverlap === 'pointer') {\n\t        var page = _getPageXY(dragEvent),\n\t            origin = getOriginXY(draggable, draggableElement),\n\t            horizontal,\n\t            vertical;\n\t\n\t        page.x += origin.x;\n\t        page.y += origin.y;\n\t\n\t        horizontal = page.x > rect.left && page.x < rect.right;\n\t        vertical = page.y > rect.top && page.y < rect.bottom;\n\t\n\t        dropped = horizontal && vertical;\n\t      }\n\t\n\t      var dragRect = draggable.getRect(draggableElement);\n\t\n\t      if (dropOverlap === 'center') {\n\t        var cx = dragRect.left + dragRect.width / 2,\n\t            cy = dragRect.top + dragRect.height / 2;\n\t\n\t        dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n\t      }\n\t\n\t      if (isNumber(dropOverlap)) {\n\t        var overlapArea = Math.max(0, Math.min(rect.right, dragRect.right) - Math.max(rect.left, dragRect.left)) * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top, dragRect.top)),\n\t            overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\t\n\t        dropped = overlapRatio >= dropOverlap;\n\t      }\n\t\n\t      if (this.options.drop.checker) {\n\t        dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n\t      }\n\t\n\t      return dropped;\n\t    },\n\t\n\t    /* \\\n\t     * Interactable.dropChecker\n\t     [ method ]\n\t     *\n\t     * DEPRECATED. Use interactable.dropzone({ checker: function... }) instead.\n\t     *\n\t     * Gets or sets the function used to check if a dragged element is\n\t     * over this Interactable.\n\t     *\n\t     - checker (function) #optional The function that will be called when checking for a drop\n\t     = (Function | Interactable) The checker function or this Interactable\n\t     *\n\t     * The checker function takes the following arguments:\n\t     *\n\t     - dragEvent (InteractEvent) The related dragmove or dragend event\n\t     - event (TouchEvent | PointerEvent | MouseEvent) The user move/up/end Event related to the dragEvent\n\t     - dropped (boolean) The value from the default drop checker\n\t     - dropzone (Interactable) The dropzone interactable\n\t     - dropElement (Element) The dropzone element\n\t     - draggable (Interactable) The Interactable being dragged\n\t     - draggableElement (Element) The actual element that's being dragged\n\t     *\n\t     > Usage:\n\t     | interact(target)\n\t     | .dropChecker(function(dragEvent,         // related dragmove or dragend event\n\t     |                       event,             // TouchEvent/PointerEvent/MouseEvent\n\t     |                       dropped,           // bool result of the default checker\n\t     |                       dropzone,          // dropzone Interactable\n\t     |                       dropElement,       // dropzone elemnt\n\t     |                       draggable,         // draggable Interactable\n\t     |                       draggableElement) {// draggable element\n\t     |\n\t     |   return dropped && event.target.hasAttribute('allow-drop');\n\t     | }\n\t    \\*/\n\t    dropChecker: function dropChecker(checker) {\n\t      if (isFunction(checker)) {\n\t        this.options.drop.checker = checker;\n\t\n\t        return this;\n\t      }\n\t      if (checker === null) {\n\t        delete this.options.getRect;\n\t\n\t        return this;\n\t      }\n\t\n\t      return this.options.drop.checker;\n\t    },\n\t\n\t    /* \\\n\t     * Interactable.accept\n\t     [ method ]\n\t     *\n\t     * Deprecated. add an `accept` property to the options object passed to\n\t     * @Interactable.dropzone instead.\n\t     *\n\t     * Gets or sets the Element or CSS selector match that this\n\t     * Interactable accepts if it is a dropzone.\n\t     *\n\t     - newValue (Element | string | null) #optional\n\t     * If it is an Element, then only that element can be dropped into this dropzone.\n\t     * If it is a string, the element being dragged must match it as a selector.\n\t     * If it is null, the accept options is cleared - it accepts any element.\n\t     *\n\t     = (string | Element | null | Interactable) The current accept option if given `undefined` or this Interactable\n\t    \\*/\n\t    accept: function accept(newValue) {\n\t      if (isElement(newValue)) {\n\t        this.options.drop.accept = newValue;\n\t\n\t        return this;\n\t      }\n\t\n\t      // test if it is a valid CSS selector\n\t      if (trySelector(newValue)) {\n\t        this.options.drop.accept = newValue;\n\t\n\t        return this;\n\t      }\n\t\n\t      if (newValue === null) {\n\t        delete this.options.drop.accept;\n\t\n\t        return this;\n\t      }\n\t\n\t      return this.options.drop.accept;\n\t    },\n\t\n\t    /* \\\n\t     * Interactable.resizable\n\t     [ method ]\n\t     *\n\t     * Gets or sets whether resize actions can be performed on the\n\t     * Interactable\n\t     *\n\t     = (boolean) Indicates if this can be the target of resize elements\n\t     | var isResizeable = interact('input[type=text]').resizable();\n\t     * or\n\t     - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n\t     = (object) This Interactable\n\t     | interact(element).resizable({\n\t     |     onstart: function (event) {},\n\t     |     onmove : function (event) {},\n\t     |     onend  : function (event) {},\n\t     |\n\t     |     edges: {\n\t     |       top   : true,       // Use pointer coords to check for resize.\n\t     |       left  : false,      // Disable resizing from left edge.\n\t     |       bottom: '.resize-s',// Resize if pointer target matches selector\n\t     |       right : handleEl    // Resize if pointer target is the given Element\n\t     |     },\n\t     |\n\t     |     // Width and height can be adjusted independently. When `true`, width and\n\t     |     // height are adjusted at a 1:1 ratio.\n\t     |     square: false,\n\t     |\n\t     |     // Width and height can be adjusted independently. When `true`, width and\n\t     |     // height maintain the aspect ratio they had when resizing started.\n\t     |     preserveAspectRatio: false,\n\t     |\n\t     |     // a value of 'none' will limit the resize rect to a minimum of 0x0\n\t     |     // 'negate' will allow the rect to have negative width/height\n\t     |     // 'reposition' will keep the width/height positive by swapping\n\t     |     // the top and bottom edges and/or swapping the left and right edges\n\t     |     invert: 'none' || 'negate' || 'reposition'\n\t     |\n\t     |     // limit multiple resizes.\n\t     |     // See the explanation in the @Interactable.draggable example\n\t     |     max: Infinity,\n\t     |     maxPerElement: 1,\n\t     | });\n\t    \\*/\n\t    resizable: function resizable(options) {\n\t      if (isObject(options)) {\n\t        this.options.resize.enabled = options.enabled === false ? false : true;\n\t        this.setPerAction('resize', options);\n\t        this.setOnEvents('resize', options);\n\t\n\t        if (/^x$|^y$|^xy$/.test(options.axis)) {\n\t          this.options.resize.axis = options.axis;\n\t        } else if (options.axis === null) {\n\t          this.options.resize.axis = defaultOptions.resize.axis;\n\t        }\n\t\n\t        if (isBool(options.preserveAspectRatio)) {\n\t          this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n\t        } else if (isBool(options.square)) {\n\t          this.options.resize.square = options.square;\n\t        }\n\t\n\t        return this;\n\t      }\n\t      if (isBool(options)) {\n\t        this.options.resize.enabled = options;\n\t\n\t        return this;\n\t      }\n\t      return this.options.resize;\n\t    },\n\t\n\t    /* \\\n\t     * Interactable.squareResize\n\t     [ method ]\n\t     *\n\t     * Deprecated. Add a `square: true || false` property to @Interactable.resizable instead\n\t     *\n\t     * Gets or sets whether resizing is forced 1:1 aspect\n\t     *\n\t     = (boolean) Current setting\n\t     *\n\t     * or\n\t     *\n\t     - newValue (boolean) #optional\n\t     = (object) this Interactable\n\t    \\*/\n\t    squareResize: function squareResize(newValue) {\n\t      if (isBool(newValue)) {\n\t        this.options.resize.square = newValue;\n\t\n\t        return this;\n\t      }\n\t\n\t      if (newValue === null) {\n\t        delete this.options.resize.square;\n\t\n\t        return this;\n\t      }\n\t\n\t      return this.options.resize.square;\n\t    },\n\t\n\t    /* \\\n\t     * Interactable.gesturable\n\t     [ method ]\n\t     *\n\t     * Gets or sets whether multitouch gestures can be performed on the\n\t     * Interactable's element\n\t     *\n\t     = (boolean) Indicates if this can be the target of gesture events\n\t     | var isGestureable = interact(element).gesturable();\n\t     * or\n\t     - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n\t     = (object) this Interactable\n\t     | interact(element).gesturable({\n\t     |     onstart: function (event) {},\n\t     |     onmove : function (event) {},\n\t     |     onend  : function (event) {},\n\t     |\n\t     |     // limit multiple gestures.\n\t     |     // See the explanation in @Interactable.draggable example\n\t     |     max: Infinity,\n\t     |     maxPerElement: 1,\n\t     | });\n\t    \\*/\n\t    gesturable: function gesturable(options) {\n\t      if (isObject(options)) {\n\t        this.options.gesture.enabled = options.enabled === false ? false : true;\n\t        this.setPerAction('gesture', options);\n\t        this.setOnEvents('gesture', options);\n\t\n\t        return this;\n\t      }\n\t\n\t      if (isBool(options)) {\n\t        this.options.gesture.enabled = options;\n\t\n\t        return this;\n\t      }\n\t\n\t      return this.options.gesture;\n\t    },\n\t\n\t    /* \\\n\t     * Interactable.autoScroll\n\t     [ method ]\n\t     **\n\t     * Deprecated. Add an `autoscroll` property to the options object\n\t     * passed to @Interactable.draggable or @Interactable.resizable instead.\n\t     *\n\t     * Returns or sets whether dragging and resizing near the edges of the\n\t     * window/container trigger autoScroll for this Interactable\n\t     *\n\t     = (object) Object with autoScroll properties\n\t     *\n\t     * or\n\t     *\n\t     - options (object | boolean) #optional\n\t     * options can be:\n\t     * - an object with margin, distance and interval properties,\n\t     * - true or false to enable or disable autoScroll or\n\t     = (Interactable) this Interactable\n\t    \\*/\n\t    autoScroll: function autoScroll(options) {\n\t      if (isObject(options)) {\n\t        options = extend({ actions: ['drag', 'resize'] }, options);\n\t      } else if (isBool(options)) {\n\t        options = { actions: ['drag', 'resize'], enabled: options };\n\t      }\n\t\n\t      return this.setOptions('autoScroll', options);\n\t    },\n\t\n\t    /* \\\n\t     * Interactable.snap\n\t     [ method ]\n\t     **\n\t     * Deprecated. Add a `snap` property to the options object passed\n\t     * to @Interactable.draggable or @Interactable.resizable instead.\n\t     *\n\t     * Returns or sets if and how action coordinates are snapped. By\n\t     * default, snapping is relative to the pointer coordinates. You can\n\t     * change this by setting the\n\t     * [`elementOrigin`](https://github.com/taye/interact.js/pull/72).\n\t     **\n\t     = (boolean | object) `false` if snap is disabled; object with snap properties if snap is enabled\n\t     **\n\t     * or\n\t     **\n\t     - options (object | boolean | null) #optional\n\t     = (Interactable) this Interactable\n\t     > Usage\n\t     | interact(document.querySelector('#thing')).snap({\n\t     |     targets: [\n\t     |         // snap to this specific point\n\t     |         {\n\t     |             x: 100,\n\t     |             y: 100,\n\t     |             range: 25\n\t     |         },\n\t     |         // give this function the x and y page coords and snap to the object returned\n\t     |         function (x, y) {\n\t     |             return {\n\t     |                 x: x,\n\t     |                 y: (75 + 50 * Math.sin(x * 0.04)),\n\t     |                 range: 40\n\t     |             };\n\t     |         },\n\t     |         // create a function that snaps to a grid\n\t     |         interact.createSnapGrid({\n\t     |             x: 50,\n\t     |             y: 50,\n\t     |             range: 10,              // optional\n\t     |             offset: { x: 5, y: 10 } // optional\n\t     |         })\n\t     |     ],\n\t     |     // do not snap during normal movement.\n\t     |     // Instead, trigger only one snapped move event\n\t     |     // immediately before the end event.\n\t     |     endOnly: true,\n\t     |\n\t     |     relativePoints: [\n\t     |         { x: 0, y: 0 },  // snap relative to the top left of the element\n\t     |         { x: 1, y: 1 },  // and also to the bottom right\n\t     |     ],\n\t     |\n\t     |     // offset the snap target coordinates\n\t     |     // can be an object with x/y or 'startCoords'\n\t     |     offset: { x: 50, y: 50 }\n\t     |   }\n\t     | });\n\t    \\*/\n\t    snap: function snap(options) {\n\t      var ret = this.setOptions('snap', options);\n\t\n\t      if (ret === this) {\n\t        return this;\n\t      }\n\t\n\t      return ret.drag;\n\t    },\n\t\n\t    setOptions: function setOptions(option, options) {\n\t      var actions = options && isArray(options.actions) ? options.actions : ['drag'];\n\t\n\t      var i;\n\t\n\t      if (isObject(options) || isBool(options)) {\n\t        for (i = 0; i < actions.length; i++) {\n\t          var action = /resize/.test(actions[i]) ? 'resize' : actions[i];\n\t\n\t          if (!isObject(this.options[action])) {\n\t            continue;\n\t          }\n\t\n\t          var thisOption = this.options[action][option];\n\t\n\t          if (isObject(options)) {\n\t            extend(thisOption, options);\n\t            thisOption.enabled = options.enabled === false ? false : true;\n\t\n\t            if (option === 'snap') {\n\t              if (thisOption.mode === 'grid') {\n\t                thisOption.targets = [interact.createSnapGrid(extend({\n\t                  offset: thisOption.gridOffset || { x: 0, y: 0 }\n\t                }, thisOption.grid || {}))];\n\t              } else if (thisOption.mode === 'anchor') {\n\t                thisOption.targets = thisOption.anchors;\n\t              } else if (thisOption.mode === 'path') {\n\t                thisOption.targets = thisOption.paths;\n\t              }\n\t\n\t              if ('elementOrigin' in options) {\n\t                thisOption.relativePoints = [options.elementOrigin];\n\t              }\n\t            }\n\t          } else if (isBool(options)) {\n\t            thisOption.enabled = options;\n\t          }\n\t        }\n\t\n\t        return this;\n\t      }\n\t\n\t      var ret = {},\n\t          allActions = ['drag', 'resize', 'gesture'];\n\t\n\t      for (i = 0; i < allActions.length; i++) {\n\t        if (option in defaultOptions[allActions[i]]) {\n\t          ret[allActions[i]] = this.options[allActions[i]][option];\n\t        }\n\t      }\n\t\n\t      return ret;\n\t    },\n\t\n\t    /* \\\n\t     * Interactable.inertia\n\t     [ method ]\n\t     **\n\t     * Deprecated. Add an `inertia` property to the options object passed\n\t     * to @Interactable.draggable or @Interactable.resizable instead.\n\t     *\n\t     * Returns or sets if and how events continue to run after the pointer is released\n\t     **\n\t     = (boolean | object) `false` if inertia is disabled; `object` with inertia properties if inertia is enabled\n\t     **\n\t     * or\n\t     **\n\t     - options (object | boolean | null) #optional\n\t     = (Interactable) this Interactable\n\t     > Usage\n\t     | // enable and use default settings\n\t     | interact(element).inertia(true);\n\t     |\n\t     | // enable and use custom settings\n\t     | interact(element).inertia({\n\t     |     // value greater than 0\n\t     |     // high values slow the object down more quickly\n\t     |     resistance     : 16,\n\t     |\n\t     |     // the minimum launch speed (pixels per second) that results in inertia start\n\t     |     minSpeed       : 200,\n\t     |\n\t     |     // inertia will stop when the object slows down to this speed\n\t     |     endSpeed       : 20,\n\t     |\n\t     |     // boolean; should actions be resumed when the pointer goes down during inertia\n\t     |     allowResume    : true,\n\t     |\n\t     |     // boolean; should the jump when resuming from inertia be ignored in event.dx/dy\n\t     |     zeroResumeDelta: false,\n\t     |\n\t     |     // if snap/restrict are set to be endOnly and inertia is enabled, releasing\n\t     |     // the pointer without triggering inertia will animate from the release\n\t     |     // point to the snaped/restricted point in the given amount of time (ms)\n\t     |     smoothEndDuration: 300,\n\t     |\n\t     |     // an array of action types that can have inertia (no gesture)\n\t     |     actions        : ['drag', 'resize']\n\t     | });\n\t     |\n\t     | // reset custom settings and use all defaults\n\t     | interact(element).inertia(null);\n\t    \\*/\n\t    inertia: function inertia(options) {\n\t      var ret = this.setOptions('inertia', options);\n\t\n\t      if (ret === this) {\n\t        return this;\n\t      }\n\t\n\t      return ret.drag;\n\t    },\n\t\n\t    getAction: function getAction(pointer, event, interaction, element) {\n\t      var action = this.defaultActionChecker(pointer, interaction, element);\n\t\n\t      if (this.options.actionChecker) {\n\t        return this.options.actionChecker(pointer, event, action, this, element, interaction);\n\t      }\n\t\n\t      return action;\n\t    },\n\t\n\t    defaultActionChecker: defaultActionChecker,\n\t\n\t    /* \\\n\t     * Interactable.actionChecker\n\t     [ method ]\n\t     *\n\t     * Gets or sets the function used to check action to be performed on\n\t     * pointerDown\n\t     *\n\t     - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n\t     = (Function | Interactable) The checker function or this Interactable\n\t     *\n\t     | interact('.resize-drag')\n\t     |   .resizable(true)\n\t     |   .draggable(true)\n\t     |   .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n\t     |\n\t     |   if (interact.matchesSelector(event.target, '.drag-handle') {\n\t     |     // force drag with handle target\n\t     |     action.name = drag;\n\t     |   }\n\t     |   else {\n\t     |     // resize from the top and right edges\n\t     |     action.name  = 'resize';\n\t     |     action.edges = { top: true, right: true };\n\t     |   }\n\t     |\n\t     |   return action;\n\t     | });\n\t    \\*/\n\t    actionChecker: function actionChecker(checker) {\n\t      if (isFunction(checker)) {\n\t        this.options.actionChecker = checker;\n\t\n\t        return this;\n\t      }\n\t\n\t      if (checker === null) {\n\t        delete this.options.actionChecker;\n\t\n\t        return this;\n\t      }\n\t\n\t      return this.options.actionChecker;\n\t    },\n\t\n\t    /* \\\n\t     * Interactable.getRect\n\t     [ method ]\n\t     *\n\t     * The default function to get an Interactables bounding rect. Can be\n\t     * overridden using @Interactable.rectChecker.\n\t     *\n\t     - element (Element) #optional The element to measure.\n\t     = (object) The object's bounding rectangle.\n\t     o {\n\t     o     top   : 0,\n\t     o     left  : 0,\n\t     o     bottom: 0,\n\t     o     right : 0,\n\t     o     width : 0,\n\t     o     height: 0\n\t     o }\n\t    \\*/\n\t    getRect: function rectCheck(element) {\n\t      element = element || this._element;\n\t\n\t      if (this.selector && !isElement(element)) {\n\t        element = this._context.querySelector(this.selector);\n\t      }\n\t\n\t      return getElementRect(element);\n\t    },\n\t\n\t    /* \\\n\t     * Interactable.rectChecker\n\t     [ method ]\n\t     *\n\t     * Returns or sets the function used to calculate the interactable's\n\t     * element's rectangle\n\t     *\n\t     - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n\t     = (function | object) The checker function or this Interactable\n\t    \\*/\n\t    rectChecker: function rectChecker(checker) {\n\t      if (isFunction(checker)) {\n\t        this.getRect = checker;\n\t\n\t        return this;\n\t      }\n\t\n\t      if (checker === null) {\n\t        delete this.options.getRect;\n\t\n\t        return this;\n\t      }\n\t\n\t      return this.getRect;\n\t    },\n\t\n\t    /* \\\n\t     * Interactable.styleCursor\n\t     [ method ]\n\t     *\n\t     * Returns or sets whether the action that would be performed when the\n\t     * mouse on the element are checked on `mousemove` so that the cursor\n\t     * may be styled appropriately\n\t     *\n\t     - newValue (boolean) #optional\n\t     = (boolean | Interactable) The current setting or this Interactable\n\t    \\*/\n\t    styleCursor: function styleCursor(newValue) {\n\t      if (isBool(newValue)) {\n\t        this.options.styleCursor = newValue;\n\t\n\t        return this;\n\t      }\n\t\n\t      if (newValue === null) {\n\t        delete this.options.styleCursor;\n\t\n\t        return this;\n\t      }\n\t\n\t      return this.options.styleCursor;\n\t    },\n\t\n\t    /* \\\n\t     * Interactable.preventDefault\n\t     [ method ]\n\t     *\n\t     * Returns or sets whether to prevent the browser's default behaviour\n\t     * in response to pointer events. Can be set to:\n\t     *  - `'always'` to always prevent\n\t     *  - `'never'` to never prevent\n\t     *  - `'auto'` to let interact.js try to determine what would be best\n\t     *\n\t     - newValue (string) #optional `true`, `false` or `'auto'`\n\t     = (string | Interactable) The current setting or this Interactable\n\t    \\*/\n\t    preventDefault: function preventDefault(newValue) {\n\t      if (/^(always|never|auto)$/.test(newValue)) {\n\t        this.options.preventDefault = newValue;\n\t        return this;\n\t      }\n\t\n\t      if (isBool(newValue)) {\n\t        this.options.preventDefault = newValue ? 'always' : 'never';\n\t        return this;\n\t      }\n\t\n\t      return this.options.preventDefault;\n\t    },\n\t\n\t    /* \\\n\t     * Interactable.origin\n\t     [ method ]\n\t     *\n\t     * Gets or sets the origin of the Interactable's element.  The x and y\n\t     * of the origin will be subtracted from action event coordinates.\n\t     *\n\t     - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n\t     * OR\n\t     - origin (Element) #optional An HTML or SVG Element whose rect will be used\n\t     **\n\t     = (object) The current origin or this Interactable\n\t    \\*/\n\t    origin: function origin(newValue) {\n\t      if (trySelector(newValue)) {\n\t        this.options.origin = newValue;\n\t        return this;\n\t      } else if (isObject(newValue)) {\n\t        this.options.origin = newValue;\n\t        return this;\n\t      }\n\t\n\t      return this.options.origin;\n\t    },\n\t\n\t    /* \\\n\t     * Interactable.deltaSource\n\t     [ method ]\n\t     *\n\t     * Returns or sets the mouse coordinate types used to calculate the\n\t     * movement of the pointer.\n\t     *\n\t     - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n\t     = (string | object) The current deltaSource or this Interactable\n\t    \\*/\n\t    deltaSource: function deltaSource(newValue) {\n\t      if (newValue === 'page' || newValue === 'client') {\n\t        this.options.deltaSource = newValue;\n\t\n\t        return this;\n\t      }\n\t\n\t      return this.options.deltaSource;\n\t    },\n\t\n\t    /* \\\n\t     * Interactable.restrict\n\t     [ method ]\n\t     **\n\t     * Deprecated. Add a `restrict` property to the options object passed to\n\t     * @Interactable.draggable, @Interactable.resizable or @Interactable.gesturable instead.\n\t     *\n\t     * Returns or sets the rectangles within which actions on this\n\t     * interactable (after snap calculations) are restricted. By default,\n\t     * restricting is relative to the pointer coordinates. You can change\n\t     * this by setting the\n\t     * [`elementRect`](https://github.com/taye/interact.js/pull/72).\n\t     **\n\t     - options (object) #optional an object with keys drag, resize, and/or gesture whose values are rects, Elements, CSS selectors, or 'parent' or 'self'\n\t     = (object) The current restrictions object or this Interactable\n\t     **\n\t     | interact(element).restrict({\n\t     |     // the rect will be `interact.getElementRect(element.parentNode)`\n\t     |     drag: element.parentNode,\n\t     |\n\t     |     // x and y are relative to the the interactable's origin\n\t     |     resize: { x: 100, y: 100, width: 200, height: 200 }\n\t     | })\n\t     |\n\t     | interact('.draggable').restrict({\n\t     |     // the rect will be the selected element's parent\n\t     |     drag: 'parent',\n\t     |\n\t     |     // do not restrict during normal movement.\n\t     |     // Instead, trigger only one restricted move event\n\t     |     // immediately before the end event.\n\t     |     endOnly: true,\n\t     |\n\t     |     // https://github.com/taye/interact.js/pull/72#issue-41813493\n\t     |     elementRect: { top: 0, left: 0, bottom: 1, right: 1 }\n\t     | });\n\t    \\*/\n\t    restrict: function restrict(options) {\n\t      if (!isObject(options)) {\n\t        return this.setOptions('restrict', options);\n\t      }\n\t\n\t      var actions = ['drag', 'resize', 'gesture'],\n\t          ret;\n\t\n\t      for (var i = 0; i < actions.length; i++) {\n\t        var action = actions[i];\n\t\n\t        if (action in options) {\n\t          var perAction = extend({\n\t            actions: [action],\n\t            restriction: options[action]\n\t          }, options);\n\t\n\t          ret = this.setOptions('restrict', perAction);\n\t        }\n\t      }\n\t\n\t      return ret;\n\t    },\n\t\n\t    /* \\\n\t     * Interactable.context\n\t     [ method ]\n\t     *\n\t     * Gets the selector context Node of the Interactable. The default is `window.document`.\n\t     *\n\t     = (Node) The context Node of this Interactable\n\t     **\n\t    \\*/\n\t    context: function context() {\n\t      return this._context;\n\t    },\n\t\n\t    _context: document,\n\t\n\t    /* \\\n\t     * Interactable.ignoreFrom\n\t     [ method ]\n\t     *\n\t     * If the target of the `mousedown`, `pointerdown` or `touchstart`\n\t     * event or any of it's parents match the given CSS selector or\n\t     * Element, no drag/resize/gesture is started.\n\t     *\n\t     - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n\t     = (string | Element | object) The current ignoreFrom value or this Interactable\n\t     **\n\t     | interact(element, { ignoreFrom: document.getElementById('no-action') });\n\t     | // or\n\t     | interact(element).ignoreFrom('input, textarea, a');\n\t    \\*/\n\t    ignoreFrom: function ignoreFrom(newValue) {\n\t      if (trySelector(newValue)) {\n\t        // CSS selector to match event.target\n\t        this.options.ignoreFrom = newValue;\n\t        return this;\n\t      }\n\t\n\t      if (isElement(newValue)) {\n\t        // specific element\n\t        this.options.ignoreFrom = newValue;\n\t        return this;\n\t      }\n\t\n\t      return this.options.ignoreFrom;\n\t    },\n\t\n\t    /* \\\n\t     * Interactable.allowFrom\n\t     [ method ]\n\t     *\n\t     * A drag/resize/gesture is started only If the target of the\n\t     * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n\t     * parents match the given CSS selector or Element.\n\t     *\n\t     - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n\t     = (string | Element | object) The current allowFrom value or this Interactable\n\t     **\n\t     | interact(element, { allowFrom: document.getElementById('drag-handle') });\n\t     | // or\n\t     | interact(element).allowFrom('.handle');\n\t    \\*/\n\t    allowFrom: function allowFrom(newValue) {\n\t      if (trySelector(newValue)) {\n\t        // CSS selector to match event.target\n\t        this.options.allowFrom = newValue;\n\t        return this;\n\t      }\n\t\n\t      if (isElement(newValue)) {\n\t        // specific element\n\t        this.options.allowFrom = newValue;\n\t        return this;\n\t      }\n\t\n\t      return this.options.allowFrom;\n\t    },\n\t\n\t    /* \\\n\t     * Interactable.element\n\t     [ method ]\n\t     *\n\t     * If this is not a selector Interactable, it returns the element this\n\t     * interactable represents\n\t     *\n\t     = (Element) HTML / SVG Element\n\t    \\*/\n\t    element: function element() {\n\t      return this._element;\n\t    },\n\t\n\t    /* \\\n\t     * Interactable.fire\n\t     [ method ]\n\t     *\n\t     * Calls listeners for the given InteractEvent type bound globally\n\t     * and directly to this Interactable\n\t     *\n\t     - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n\t     = (Interactable) this Interactable\n\t    \\*/\n\t    fire: function fire(iEvent) {\n\t      if (!(iEvent && iEvent.type) || !contains(eventTypes, iEvent.type)) {\n\t        return this;\n\t      }\n\t\n\t      var listeners,\n\t          i,\n\t          len,\n\t          onEvent = 'on' + iEvent.type,\n\t          funcName = '';\n\t\n\t      // Interactable#on() listeners\n\t      if (iEvent.type in this._iEvents) {\n\t        listeners = this._iEvents[iEvent.type];\n\t\n\t        for (i = 0, len = listeners.length; i < len && !iEvent.immediatePropagationStopped; i++) {\n\t          funcName = listeners[i].name;\n\t          listeners[i](iEvent);\n\t        }\n\t      }\n\t\n\t      // interactable.onevent listener\n\t      if (isFunction(this[onEvent])) {\n\t        funcName = this[onEvent].name;\n\t        this[onEvent](iEvent);\n\t      }\n\t\n\t      // interact.on() listeners\n\t      if (iEvent.type in globalEvents && (listeners = globalEvents[iEvent.type])) {\n\t        for (i = 0, len = listeners.length; i < len && !iEvent.immediatePropagationStopped; i++) {\n\t          funcName = listeners[i].name;\n\t          listeners[i](iEvent);\n\t        }\n\t      }\n\t\n\t      return this;\n\t    },\n\t\n\t    /* \\\n\t     * Interactable.on\n\t     [ method ]\n\t     *\n\t     * Binds a listener for an InteractEvent or DOM event.\n\t     *\n\t     - eventType  (string | array | object) The types of events to listen for\n\t     - listener   (function) The function to be called on the given event(s)\n\t     - useCapture (boolean) #optional useCapture flag for addEventListener\n\t     = (object) This Interactable\n\t    \\*/\n\t    on: function on(eventType, listener, useCapture) {\n\t      var i;\n\t\n\t      if (isString(eventType) && eventType.search(' ') !== -1) {\n\t        eventType = eventType.trim().split(/ +/);\n\t      }\n\t\n\t      if (isArray(eventType)) {\n\t        for (i = 0; i < eventType.length; i++) {\n\t          this.on(eventType[i], listener, useCapture);\n\t        }\n\t\n\t        return this;\n\t      }\n\t\n\t      if (isObject(eventType)) {\n\t        for (var prop in eventType) {\n\t          this.on(prop, eventType[prop], listener);\n\t        }\n\t\n\t        return this;\n\t      }\n\t\n\t      if (eventType === 'wheel') {\n\t        eventType = wheelEvent;\n\t      }\n\t\n\t      // convert to boolean\n\t      useCapture = useCapture ? true : false;\n\t\n\t      if (contains(eventTypes, eventType)) {\n\t        // if this type of event was never bound to this Interactable\n\t        if (!(eventType in this._iEvents)) {\n\t          this._iEvents[eventType] = [listener];\n\t        } else {\n\t          this._iEvents[eventType].push(listener);\n\t        }\n\t      }\n\t      // delegated event for selector\n\t      else if (this.selector) {\n\t          if (!delegatedEvents[eventType]) {\n\t            delegatedEvents[eventType] = {\n\t              selectors: [],\n\t              contexts: [],\n\t              listeners: []\n\t            };\n\t\n\t            // add delegate listener functions\n\t            for (i = 0; i < documents.length; i++) {\n\t              events.add(documents[i], eventType, delegateListener);\n\t              events.add(documents[i], eventType, delegateUseCapture, true);\n\t            }\n\t          }\n\t\n\t          var delegated = delegatedEvents[eventType],\n\t              index;\n\t\n\t          for (index = delegated.selectors.length - 1; index >= 0; index--) {\n\t            if (delegated.selectors[index] === this.selector && delegated.contexts[index] === this._context) {\n\t              break;\n\t            }\n\t          }\n\t\n\t          if (index === -1) {\n\t            index = delegated.selectors.length;\n\t\n\t            delegated.selectors.push(this.selector);\n\t            delegated.contexts.push(this._context);\n\t            delegated.listeners.push([]);\n\t          }\n\t\n\t          // keep listener and useCapture flag\n\t          delegated.listeners[index].push([listener, useCapture]);\n\t        } else {\n\t          events.add(this._element, eventType, listener, useCapture);\n\t        }\n\t\n\t      return this;\n\t    },\n\t\n\t    /* \\\n\t     * Interactable.off\n\t     [ method ]\n\t     *\n\t     * Removes an InteractEvent or DOM event listener\n\t     *\n\t     - eventType  (string | array | object) The types of events that were listened for\n\t     - listener   (function) The listener function to be removed\n\t     - useCapture (boolean) #optional useCapture flag for removeEventListener\n\t     = (object) This Interactable\n\t    \\*/\n\t    off: function off(eventType, listener, useCapture) {\n\t      var i;\n\t\n\t      if (isString(eventType) && eventType.search(' ') !== -1) {\n\t        eventType = eventType.trim().split(/ +/);\n\t      }\n\t\n\t      if (isArray(eventType)) {\n\t        for (i = 0; i < eventType.length; i++) {\n\t          this.off(eventType[i], listener, useCapture);\n\t        }\n\t\n\t        return this;\n\t      }\n\t\n\t      if (isObject(eventType)) {\n\t        for (var prop in eventType) {\n\t          this.off(prop, eventType[prop], listener);\n\t        }\n\t\n\t        return this;\n\t      }\n\t\n\t      var eventList,\n\t          index = -1;\n\t\n\t      // convert to boolean\n\t      useCapture = useCapture ? true : false;\n\t\n\t      if (eventType === 'wheel') {\n\t        eventType = wheelEvent;\n\t      }\n\t\n\t      // if it is an action event type\n\t      if (contains(eventTypes, eventType)) {\n\t        eventList = this._iEvents[eventType];\n\t\n\t        if (eventList && (index = indexOf(eventList, listener)) !== -1) {\n\t          this._iEvents[eventType].splice(index, 1);\n\t        }\n\t      }\n\t      // delegated event\n\t      else if (this.selector) {\n\t          var delegated = delegatedEvents[eventType],\n\t              matchFound = false;\n\t\n\t          if (!delegated) {\n\t            return this;\n\t          }\n\t\n\t          // count from last index of delegated to 0\n\t          for (index = delegated.selectors.length - 1; index >= 0; index--) {\n\t            // look for matching selector and context Node\n\t            if (delegated.selectors[index] === this.selector && delegated.contexts[index] === this._context) {\n\t              var listeners = delegated.listeners[index];\n\t\n\t              // each item of the listeners array is an array: [function, useCaptureFlag]\n\t              for (i = listeners.length - 1; i >= 0; i--) {\n\t                var fn = listeners[i][0],\n\t                    useCap = listeners[i][1];\n\t\n\t                // check if the listener functions and useCapture flags match\n\t                if (fn === listener && useCap === useCapture) {\n\t                  // remove the listener from the array of listeners\n\t                  listeners.splice(i, 1);\n\t\n\t                  // if all listeners for this interactable have been removed\n\t                  // remove the interactable from the delegated arrays\n\t                  if (!listeners.length) {\n\t                    delegated.selectors.splice(index, 1);\n\t                    delegated.contexts.splice(index, 1);\n\t                    delegated.listeners.splice(index, 1);\n\t\n\t                    // remove delegate function from context\n\t                    events.remove(this._context, eventType, delegateListener);\n\t                    events.remove(this._context, eventType, delegateUseCapture, true);\n\t\n\t                    // remove the arrays if they are empty\n\t                    if (!delegated.selectors.length) {\n\t                      delegatedEvents[eventType] = null;\n\t                    }\n\t                  }\n\t\n\t                  // only remove one listener\n\t                  matchFound = true;\n\t                  break;\n\t                }\n\t              }\n\t\n\t              if (matchFound) {\n\t                break;\n\t              }\n\t            }\n\t          }\n\t        }\n\t        // remove listener from this Interatable's element\n\t        else {\n\t            events.remove(this._element, eventType, listener, useCapture);\n\t          }\n\t\n\t      return this;\n\t    },\n\t\n\t    /* \\\n\t     * Interactable.set\n\t     [ method ]\n\t     *\n\t     * Reset the options of this Interactable\n\t     - options (object) The new settings to apply\n\t     = (object) This Interactable\n\t    \\*/\n\t    set: function set(options) {\n\t      if (!isObject(options)) {\n\t        options = {};\n\t      }\n\t\n\t      this.options = extend({}, defaultOptions.base);\n\t\n\t      var i,\n\t          actions = ['drag', 'drop', 'resize', 'gesture'],\n\t          methods = ['draggable', 'dropzone', 'resizable', 'gesturable'],\n\t          perActions = extend(extend({}, defaultOptions.perAction), options[action] || {});\n\t\n\t      for (i = 0; i < actions.length; i++) {\n\t        var action = actions[i];\n\t\n\t        this.options[action] = extend({}, defaultOptions[action]);\n\t\n\t        this.setPerAction(action, perActions);\n\t\n\t        this[methods[i]](options[action]);\n\t      }\n\t\n\t      var settings = ['accept', 'actionChecker', 'allowFrom', 'deltaSource', 'dropChecker', 'ignoreFrom', 'origin', 'preventDefault', 'rectChecker', 'styleCursor'];\n\t\n\t      for (i = 0, len = settings.length; i < len; i++) {\n\t        var setting = settings[i];\n\t\n\t        this.options[setting] = defaultOptions.base[setting];\n\t\n\t        if (setting in options) {\n\t          this[setting](options[setting]);\n\t        }\n\t      }\n\t\n\t      return this;\n\t    },\n\t\n\t    /* \\\n\t     * Interactable.unset\n\t     [ method ]\n\t     *\n\t     * Remove this interactable from the list of interactables and remove\n\t     * it's drag, drop, resize and gesture capabilities\n\t     *\n\t     = (object) @interact\n\t    \\*/\n\t    unset: function unset() {\n\t      events.remove(this._element, 'all');\n\t\n\t      if (!isString(this.selector)) {\n\t        events.remove(this, 'all');\n\t        if (this.options.styleCursor) {\n\t          this._element.style.cursor = '';\n\t        }\n\t      } else {\n\t        // remove delegated events\n\t        for (var type in delegatedEvents) {\n\t          var delegated = delegatedEvents[type];\n\t\n\t          for (var i = 0; i < delegated.selectors.length; i++) {\n\t            if (delegated.selectors[i] === this.selector && delegated.contexts[i] === this._context) {\n\t              delegated.selectors.splice(i, 1);\n\t              delegated.contexts.splice(i, 1);\n\t              delegated.listeners.splice(i, 1);\n\t\n\t              // remove the arrays if they are empty\n\t              if (!delegated.selectors.length) {\n\t                delegatedEvents[type] = null;\n\t              }\n\t            }\n\t\n\t            events.remove(this._context, type, delegateListener);\n\t            events.remove(this._context, type, delegateUseCapture, true);\n\t\n\t            break;\n\t          }\n\t        }\n\t      }\n\t\n\t      this.dropzone(false);\n\t\n\t      interactables.splice(indexOf(interactables, this), 1);\n\t\n\t      return interact;\n\t    }\n\t  };\n\t\n\t  function warnOnce(method, message) {\n\t    var warned = false;\n\t\n\t    return function () {\n\t      if (!warned) {\n\t        window.console.warn(message);\n\t        warned = true;\n\t      }\n\t\n\t      return method.apply(this, arguments);\n\t    };\n\t  }\n\t\n\t  Interactable.prototype.snap = warnOnce(Interactable.prototype.snap, 'Interactable#snap is deprecated. See the new documentation for snapping at http://interactjs.io/docs/snapping');\n\t  Interactable.prototype.restrict = warnOnce(Interactable.prototype.restrict, 'Interactable#restrict is deprecated. See the new documentation for resticting at http://interactjs.io/docs/restriction');\n\t  Interactable.prototype.inertia = warnOnce(Interactable.prototype.inertia, 'Interactable#inertia is deprecated. See the new documentation for inertia at http://interactjs.io/docs/inertia');\n\t  Interactable.prototype.autoScroll = warnOnce(Interactable.prototype.autoScroll, 'Interactable#autoScroll is deprecated. See the new documentation for autoScroll at http://interactjs.io/docs/#autoscroll');\n\t  Interactable.prototype.squareResize = warnOnce(Interactable.prototype.squareResize, 'Interactable#squareResize is deprecated. See http://interactjs.io/docs/#resize-square');\n\t\n\t  Interactable.prototype.accept = warnOnce(Interactable.prototype.accept, 'Interactable#accept is deprecated. use Interactable#dropzone({ accept: target }) instead');\n\t  Interactable.prototype.dropChecker = warnOnce(Interactable.prototype.dropChecker, 'Interactable#dropChecker is deprecated. use Interactable#dropzone({ dropChecker: checkerFunction }) instead');\n\t  Interactable.prototype.context = warnOnce(Interactable.prototype.context, 'Interactable#context as a method is deprecated. It will soon be a DOM Node instead');\n\t\n\t  /* \\\n\t   * interact.isSet\n\t   [ method ]\n\t   *\n\t   * Check if an element has been set\n\t   - element (Element) The Element being searched for\n\t   = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\t  \\*/\n\t  interact.isSet = function (element, options) {\n\t    return interactables.indexOfElement(element, options && options.context) !== -1;\n\t  };\n\t\n\t  /* \\\n\t   * interact.on\n\t   [ method ]\n\t   *\n\t   * Adds a global listener for an InteractEvent or adds a DOM event to\n\t   * `document`\n\t   *\n\t   - type       (string | array | object) The types of events to listen for\n\t   - listener   (function) The function to be called on the given event(s)\n\t   - useCapture (boolean) #optional useCapture flag for addEventListener\n\t   = (object) interact\n\t  \\*/\n\t  interact.on = function (type, listener, useCapture) {\n\t    if (isString(type) && type.search(' ') !== -1) {\n\t      type = type.trim().split(/ +/);\n\t    }\n\t\n\t    if (isArray(type)) {\n\t      for (var i = 0; i < type.length; i++) {\n\t        interact.on(type[i], listener, useCapture);\n\t      }\n\t\n\t      return interact;\n\t    }\n\t\n\t    if (isObject(type)) {\n\t      for (var prop in type) {\n\t        interact.on(prop, type[prop], listener);\n\t      }\n\t\n\t      return interact;\n\t    }\n\t\n\t    // if it is an InteractEvent type, add listener to globalEvents\n\t    if (contains(eventTypes, type)) {\n\t      // if this type of event was never bound\n\t      if (!globalEvents[type]) {\n\t        globalEvents[type] = [listener];\n\t      } else {\n\t        globalEvents[type].push(listener);\n\t      }\n\t    }\n\t    // If non InteractEvent type, addEventListener to document\n\t    else {\n\t        events.add(document, type, listener, useCapture);\n\t      }\n\t\n\t    return interact;\n\t  };\n\t\n\t  /* \\\n\t   * interact.off\n\t   [ method ]\n\t   *\n\t   * Removes a global InteractEvent listener or DOM event from `document`\n\t   *\n\t   - type       (string | array | object) The types of events that were listened for\n\t   - listener   (function) The listener function to be removed\n\t   - useCapture (boolean) #optional useCapture flag for removeEventListener\n\t   = (object) interact\n\t   \\*/\n\t  interact.off = function (type, listener, useCapture) {\n\t    if (isString(type) && type.search(' ') !== -1) {\n\t      type = type.trim().split(/ +/);\n\t    }\n\t\n\t    if (isArray(type)) {\n\t      for (var i = 0; i < type.length; i++) {\n\t        interact.off(type[i], listener, useCapture);\n\t      }\n\t\n\t      return interact;\n\t    }\n\t\n\t    if (isObject(type)) {\n\t      for (var prop in type) {\n\t        interact.off(prop, type[prop], listener);\n\t      }\n\t\n\t      return interact;\n\t    }\n\t\n\t    if (!contains(eventTypes, type)) {\n\t      events.remove(document, type, listener, useCapture);\n\t    } else {\n\t      var index;\n\t\n\t      if (type in globalEvents && (index = indexOf(globalEvents[type], listener)) !== -1) {\n\t        globalEvents[type].splice(index, 1);\n\t      }\n\t    }\n\t\n\t    return interact;\n\t  };\n\t\n\t  /* \\\n\t   * interact.enableDragging\n\t   [ method ]\n\t   *\n\t   * Deprecated.\n\t   *\n\t   * Returns or sets whether dragging is enabled for any Interactables\n\t   *\n\t   - newValue (boolean) #optional `true` to allow the action; `false` to disable action for all Interactables\n\t   = (boolean | object) The current setting or interact\n\t  \\*/\n\t  interact.enableDragging = warnOnce(function (newValue) {\n\t    if (newValue !== null && newValue !== undefined) {\n\t      actionIsEnabled.drag = newValue;\n\t\n\t      return interact;\n\t    }\n\t    return actionIsEnabled.drag;\n\t  }, 'interact.enableDragging is deprecated and will soon be removed.');\n\t\n\t  /* \\\n\t   * interact.enableResizing\n\t   [ method ]\n\t   *\n\t   * Deprecated.\n\t   *\n\t   * Returns or sets whether resizing is enabled for any Interactables\n\t   *\n\t   - newValue (boolean) #optional `true` to allow the action; `false` to disable action for all Interactables\n\t   = (boolean | object) The current setting or interact\n\t  \\*/\n\t  interact.enableResizing = warnOnce(function (newValue) {\n\t    if (newValue !== null && newValue !== undefined) {\n\t      actionIsEnabled.resize = newValue;\n\t\n\t      return interact;\n\t    }\n\t    return actionIsEnabled.resize;\n\t  }, 'interact.enableResizing is deprecated and will soon be removed.');\n\t\n\t  /* \\\n\t   * interact.enableGesturing\n\t   [ method ]\n\t   *\n\t   * Deprecated.\n\t   *\n\t   * Returns or sets whether gesturing is enabled for any Interactables\n\t   *\n\t   - newValue (boolean) #optional `true` to allow the action; `false` to disable action for all Interactables\n\t   = (boolean | object) The current setting or interact\n\t  \\*/\n\t  interact.enableGesturing = warnOnce(function (newValue) {\n\t    if (newValue !== null && newValue !== undefined) {\n\t      actionIsEnabled.gesture = newValue;\n\t\n\t      return interact;\n\t    }\n\t    return actionIsEnabled.gesture;\n\t  }, 'interact.enableGesturing is deprecated and will soon be removed.');\n\t\n\t  interact.eventTypes = eventTypes;\n\t\n\t  /* \\\n\t   * interact.debug\n\t   [ method ]\n\t   *\n\t   * Returns debugging data\n\t   = (object) An object with properties that outline the current state and expose internal functions and variables\n\t  \\*/\n\t  interact.debug = function () {\n\t    var interaction = interactions[0] || new Interaction();\n\t\n\t    return {\n\t      interactions: interactions,\n\t      target: interaction.target,\n\t      dragging: interaction.dragging,\n\t      resizing: interaction.resizing,\n\t      gesturing: interaction.gesturing,\n\t      prepared: interaction.prepared,\n\t      matches: interaction.matches,\n\t      matchElements: interaction.matchElements,\n\t\n\t      prevCoords: interaction.prevCoords,\n\t      startCoords: interaction.startCoords,\n\t\n\t      pointerIds: interaction.pointerIds,\n\t      pointers: interaction.pointers,\n\t      addPointer: listeners.addPointer,\n\t      removePointer: listeners.removePointer,\n\t      recordPointer: listeners.recordPointer,\n\t\n\t      snap: interaction.snapStatus,\n\t      restrict: interaction.restrictStatus,\n\t      inertia: interaction.inertiaStatus,\n\t\n\t      downTime: interaction.downTimes[0],\n\t      downEvent: interaction.downEvent,\n\t      downPointer: interaction.downPointer,\n\t      prevEvent: interaction.prevEvent,\n\t\n\t      Interactable: Interactable,\n\t      interactables: interactables,\n\t      pointerIsDown: interaction.pointerIsDown,\n\t      defaultOptions: defaultOptions,\n\t      defaultActionChecker: defaultActionChecker,\n\t\n\t      actionCursors: actionCursors,\n\t      dragMove: listeners.dragMove,\n\t      resizeMove: listeners.resizeMove,\n\t      gestureMove: listeners.gestureMove,\n\t      pointerUp: listeners.pointerUp,\n\t      pointerDown: listeners.pointerDown,\n\t      pointerMove: listeners.pointerMove,\n\t      pointerHover: listeners.pointerHover,\n\t\n\t      eventTypes: eventTypes,\n\t\n\t      events: events,\n\t      globalEvents: globalEvents,\n\t      delegatedEvents: delegatedEvents,\n\t\n\t      prefixedPropREs: prefixedPropREs\n\t    };\n\t  };\n\t\n\t  // expose the functions used to calculate multi-touch properties\n\t  interact.getPointerAverage = pointerAverage;\n\t  interact.getTouchBBox = touchBBox;\n\t  interact.getTouchDistance = touchDistance;\n\t  interact.getTouchAngle = touchAngle;\n\t\n\t  interact.getElementRect = getElementRect;\n\t  interact.getElementClientRect = getElementClientRect;\n\t  interact.matchesSelector = matchesSelector;\n\t  interact.closest = closest;\n\t\n\t  /* \\\n\t   * interact.margin\n\t   [ method ]\n\t   *\n\t   * Deprecated. Use `interact(target).resizable({ margin: number });` instead.\n\t   * Returns or sets the margin for autocheck resizing used in\n\t   * @Interactable.getAction. That is the distance from the bottom and right\n\t   * edges of an element clicking in which will start resizing\n\t   *\n\t   - newValue (number) #optional\n\t   = (number | interact) The current margin value or interact\n\t  \\*/\n\t  interact.margin = warnOnce(function (newvalue) {\n\t    if (isNumber(newvalue)) {\n\t      margin = newvalue;\n\t\n\t      return interact;\n\t    }\n\t    return margin;\n\t  }, 'interact.margin is deprecated. Use interact(target).resizable({ margin: number }); instead.');\n\t\n\t  /* \\\n\t   * interact.supportsTouch\n\t   [ method ]\n\t   *\n\t   = (boolean) Whether or not the browser supports touch input\n\t  \\*/\n\t  interact.supportsTouch = function () {\n\t    return supportsTouch;\n\t  };\n\t\n\t  /* \\\n\t   * interact.supportsPointerEvent\n\t   [ method ]\n\t   *\n\t   = (boolean) Whether or not the browser supports PointerEvents\n\t  \\*/\n\t  interact.supportsPointerEvent = function () {\n\t    return supportsPointerEvent;\n\t  };\n\t\n\t  /* \\\n\t   * interact.stop\n\t   [ method ]\n\t   *\n\t   * Cancels all interactions (end events are not fired)\n\t   *\n\t   - event (Event) An event on which to call preventDefault()\n\t   = (object) interact\n\t  \\*/\n\t  interact.stop = function (event) {\n\t    for (var i = interactions.length - 1; i >= 0; i--) {\n\t      interactions[i].stop(event);\n\t    }\n\t\n\t    return interact;\n\t  };\n\t\n\t  /* \\\n\t   * interact.dynamicDrop\n\t   [ method ]\n\t   *\n\t   * Returns or sets whether the dimensions of dropzone elements are\n\t   * calculated on every dragmove or only on dragstart for the default\n\t   * dropChecker\n\t   *\n\t   - newValue (boolean) #optional True to check on each move. False to check only before start\n\t   = (boolean | interact) The current setting or interact\n\t  \\*/\n\t  interact.dynamicDrop = function (newValue) {\n\t    if (isBool(newValue)) {\n\t      // if (dragging && dynamicDrop !== newValue && !newValue) {\n\t      // calcRects(dropzones);\n\t      // }\n\t\n\t      dynamicDrop = newValue;\n\t\n\t      return interact;\n\t    }\n\t    return dynamicDrop;\n\t  };\n\t\n\t  /* \\\n\t   * interact.pointerMoveTolerance\n\t   [ method ]\n\t   * Returns or sets the distance the pointer must be moved before an action\n\t   * sequence occurs. This also affects tolerance for tap events.\n\t   *\n\t   - newValue (number) #optional The movement from the start position must be greater than this value\n\t   = (number | Interactable) The current setting or interact\n\t  \\*/\n\t  interact.pointerMoveTolerance = function (newValue) {\n\t    if (isNumber(newValue)) {\n\t      pointerMoveTolerance = newValue;\n\t\n\t      return this;\n\t    }\n\t\n\t    return pointerMoveTolerance;\n\t  };\n\t\n\t  /* \\\n\t   * interact.maxInteractions\n\t   [ method ]\n\t   **\n\t   * Returns or sets the maximum number of concurrent interactions allowed.\n\t   * By default only 1 interaction is allowed at a time (for backwards\n\t   * compatibility). To allow multiple interactions on the same Interactables\n\t   * and elements, you need to enable it in the draggable, resizable and\n\t   * gesturable `'max'` and `'maxPerElement'` options.\n\t   **\n\t   - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\t  \\*/\n\t  interact.maxInteractions = function (newValue) {\n\t    if (isNumber(newValue)) {\n\t      maxInteractions = newValue;\n\t\n\t      return this;\n\t    }\n\t\n\t    return maxInteractions;\n\t  };\n\t\n\t  interact.createSnapGrid = function (grid) {\n\t    return function (x, y) {\n\t      var offsetX = 0,\n\t          offsetY = 0;\n\t\n\t      if (isObject(grid.offset)) {\n\t        offsetX = grid.offset.x;\n\t        offsetY = grid.offset.y;\n\t      }\n\t\n\t      var gridx = Math.round((x - offsetX) / grid.x),\n\t          gridy = Math.round((y - offsetY) / grid.y),\n\t          newX = gridx * grid.x + offsetX,\n\t          newY = gridy * grid.y + offsetY;\n\t\n\t      return {\n\t        x: newX,\n\t        y: newY,\n\t        range: grid.range\n\t      };\n\t    };\n\t  };\n\t\n\t  function endAllInteractions(event) {\n\t    for (var i = 0; i < interactions.length; i++) {\n\t      interactions[i].pointerEnd(event, event);\n\t    }\n\t  }\n\t\n\t  function listenToDocument(doc) {\n\t    if (contains(documents, doc)) {\n\t      return;\n\t    }\n\t\n\t    var win = doc.defaultView || doc.parentWindow;\n\t\n\t    // add delegate event listener\n\t    for (var eventType in delegatedEvents) {\n\t      events.add(doc, eventType, delegateListener);\n\t      events.add(doc, eventType, delegateUseCapture, true);\n\t    }\n\t\n\t    if (supportsPointerEvent) {\n\t      if (PointerEvent === win.MSPointerEvent) {\n\t        pEventTypes = {\n\t          up: 'MSPointerUp', down: 'MSPointerDown', over: 'mouseover',\n\t          out: 'mouseout', move: 'MSPointerMove', cancel: 'MSPointerCancel' };\n\t      } else {\n\t        pEventTypes = {\n\t          up: 'pointerup', down: 'pointerdown', over: 'pointerover',\n\t          out: 'pointerout', move: 'pointermove', cancel: 'pointercancel' };\n\t      }\n\t\n\t      events.add(doc, pEventTypes.down, listeners.selectorDown);\n\t      events.add(doc, pEventTypes.move, listeners.pointerMove);\n\t      events.add(doc, pEventTypes.over, listeners.pointerOver);\n\t      events.add(doc, pEventTypes.out, listeners.pointerOut);\n\t      events.add(doc, pEventTypes.up, listeners.pointerUp);\n\t      events.add(doc, pEventTypes.cancel, listeners.pointerCancel);\n\t\n\t      // autoscroll\n\t      events.add(doc, pEventTypes.move, listeners.autoScrollMove);\n\t    } else {\n\t      events.add(doc, 'mousedown', listeners.selectorDown);\n\t      events.add(doc, 'mousemove', listeners.pointerMove);\n\t      events.add(doc, 'mouseup', listeners.pointerUp);\n\t      events.add(doc, 'mouseover', listeners.pointerOver);\n\t      events.add(doc, 'mouseout', listeners.pointerOut);\n\t\n\t      events.add(doc, 'touchstart', listeners.selectorDown);\n\t      events.add(doc, 'touchmove', listeners.pointerMove);\n\t      events.add(doc, 'touchend', listeners.pointerUp);\n\t      events.add(doc, 'touchcancel', listeners.pointerCancel);\n\t\n\t      // autoscroll\n\t      events.add(doc, 'mousemove', listeners.autoScrollMove);\n\t      events.add(doc, 'touchmove', listeners.autoScrollMove);\n\t    }\n\t\n\t    events.add(win, 'blur', endAllInteractions);\n\t\n\t    try {\n\t      if (win.frameElement) {\n\t        var parentDoc = win.frameElement.ownerDocument,\n\t            parentWindow = parentDoc.defaultView;\n\t\n\t        events.add(parentDoc, 'mouseup', listeners.pointerEnd);\n\t        events.add(parentDoc, 'touchend', listeners.pointerEnd);\n\t        events.add(parentDoc, 'touchcancel', listeners.pointerEnd);\n\t        events.add(parentDoc, 'pointerup', listeners.pointerEnd);\n\t        events.add(parentDoc, 'MSPointerUp', listeners.pointerEnd);\n\t        events.add(parentWindow, 'blur', endAllInteractions);\n\t      }\n\t    } catch (error) {\n\t      interact.windowParentError = error;\n\t    }\n\t\n\t    // prevent native HTML5 drag on interact.js target elements\n\t    events.add(doc, 'dragstart', function (event) {\n\t      for (var i = 0; i < interactions.length; i++) {\n\t        var interaction = interactions[i];\n\t\n\t        if (interaction.element && (interaction.element === event.target || nodeContains(interaction.element, event.target))) {\n\t          interaction.checkAndPreventDefault(event, interaction.target, interaction.element);\n\t          return;\n\t        }\n\t      }\n\t    });\n\t\n\t    if (events.useAttachEvent) {\n\t      // For IE's lack of Event#preventDefault\n\t      events.add(doc, 'selectstart', function (event) {\n\t        var interaction = interactions[0];\n\t\n\t        if (interaction.currentAction()) {\n\t          interaction.checkAndPreventDefault(event);\n\t        }\n\t      });\n\t\n\t      // For IE's bad dblclick event sequence\n\t      events.add(doc, 'dblclick', doOnInteractions('ie8Dblclick'));\n\t    }\n\t\n\t    documents.push(doc);\n\t  }\n\t\n\t  listenToDocument(document);\n\t\n\t  function indexOf(array, target) {\n\t    for (var i = 0, len = array.length; i < len; i++) {\n\t      if (array[i] === target) {\n\t        return i;\n\t      }\n\t    }\n\t\n\t    return -1;\n\t  }\n\t\n\t  function contains(array, target) {\n\t    return indexOf(array, target) !== -1;\n\t  }\n\t\n\t  function matchesSelector(element, selector, nodeList) {\n\t    if (ie8MatchesSelector) {\n\t      return ie8MatchesSelector(element, selector, nodeList);\n\t    }\n\t\n\t    // remove /deep/ from selectors if shadowDOM polyfill is used\n\t    if (window !== realWindow) {\n\t      selector = selector.replace(/\\/deep\\//g, ' ');\n\t    }\n\t\n\t    return element[prefixedMatchesSelector](selector);\n\t  }\n\t\n\t  function matchesUpTo(element, selector, limit) {\n\t    while (isElement(element)) {\n\t      if (matchesSelector(element, selector)) {\n\t        return true;\n\t      }\n\t\n\t      element = parentElement(element);\n\t\n\t      if (element === limit) {\n\t        return matchesSelector(element, selector);\n\t      }\n\t    }\n\t\n\t    return false;\n\t  }\n\t\n\t  // For IE8's lack of an Element#matchesSelector\n\t  // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n\t  if (!(prefixedMatchesSelector in Element.prototype) || !isFunction(Element.prototype[prefixedMatchesSelector])) {\n\t    ie8MatchesSelector = function ie8MatchesSelector(element, selector, elems) {\n\t      elems = elems || element.parentNode.querySelectorAll(selector);\n\t\n\t      for (var i = 0, len = elems.length; i < len; i++) {\n\t        if (elems[i] === element) {\n\t          return true;\n\t        }\n\t      }\n\t\n\t      return false;\n\t    };\n\t  }\n\t\n\t  // requestAnimationFrame polyfill\n\t  (function () {\n\t    var lastTime = 0,\n\t        vendors = ['ms', 'moz', 'webkit', 'o'];\n\t\n\t    for (var x = 0; x < vendors.length && !realWindow.requestAnimationFrame; ++x) {\n\t      reqFrame = realWindow[vendors[x] + 'RequestAnimationFrame'];\n\t      cancelFrame = realWindow[vendors[x] + 'CancelAnimationFrame'] || realWindow[vendors[x] + 'CancelRequestAnimationFrame'];\n\t    }\n\t\n\t    if (!reqFrame) {\n\t      reqFrame = function reqFrame(callback) {\n\t        var currTime = new Date().getTime(),\n\t            timeToCall = Math.max(0, 16 - (currTime - lastTime)),\n\t            id = setTimeout(function () {\n\t          callback(currTime + timeToCall);\n\t        }, timeToCall);\n\t        lastTime = currTime + timeToCall;\n\t        return id;\n\t      };\n\t    }\n\t\n\t    if (!cancelFrame) {\n\t      cancelFrame = function cancelFrame(id) {\n\t        clearTimeout(id);\n\t      };\n\t    }\n\t  })();\n\t\n\t  /* global exports: true, module, define */\n\t\n\t  // http://documentcloud.github.io/underscore/docs/underscore.html#section-11\n\t  if (true) {\n\t    if (typeof module !== 'undefined' && module.exports) {\n\t      exports = module.exports = interact;\n\t    }\n\t    exports.interact = interact;\n\t  }\n\t  // AMD\n\t  else if (typeof define === 'function' && define.amd) {\n\t      define('interact', function () {\n\t        return interact;\n\t      });\n\t    } else {\n\t      realWindow.interact = interact;\n\t    }\n\t})(typeof window === 'undefined' ? undefined : window);\n\n/***/ }),\n/* 6 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tObject.defineProperty(exports, \"__esModule\", {\n\t  value: true\n\t});\n\texports.RowSelectionModel = exports.RowMoveManager = exports.HeaderMenu = exports.HeaderButtons = exports.CheckboxSelectColumn = exports.CellSelectionModel = exports.CellRangeSelector = exports.CellRangeDecorator = exports.CellCopyManager = exports.AutoTooltips = undefined;\n\t\n\tvar _slick = __webpack_require__(7);\n\t\n\tvar _slick2 = _interopRequireDefault(_slick);\n\t\n\tvar _slick3 = __webpack_require__(9);\n\t\n\tvar _slick4 = _interopRequireDefault(_slick3);\n\t\n\tvar _slick5 = __webpack_require__(11);\n\t\n\tvar _slick6 = _interopRequireDefault(_slick5);\n\t\n\tvar _slick7 = __webpack_require__(12);\n\t\n\tvar _slick8 = _interopRequireDefault(_slick7);\n\t\n\tvar _slick9 = __webpack_require__(13);\n\t\n\tvar _slick10 = _interopRequireDefault(_slick9);\n\t\n\tvar _slick11 = __webpack_require__(15);\n\t\n\tvar _slick12 = _interopRequireDefault(_slick11);\n\t\n\tvar _slick13 = __webpack_require__(17);\n\t\n\tvar _slick14 = _interopRequireDefault(_slick13);\n\t\n\tvar _slick15 = __webpack_require__(19);\n\t\n\tvar _slick16 = _interopRequireDefault(_slick15);\n\t\n\tvar _slick17 = __webpack_require__(21);\n\t\n\tvar _slick18 = _interopRequireDefault(_slick17);\n\t\n\tvar _slick19 = __webpack_require__(23);\n\t\n\tvar _slick20 = _interopRequireDefault(_slick19);\n\t\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\t\n\texports.AutoTooltips = _slick2.default;\n\texports.CellCopyManager = _slick4.default;\n\texports.CellRangeDecorator = _slick6.default;\n\texports.CellRangeSelector = _slick8.default;\n\texports.CellSelectionModel = _slick10.default;\n\texports.CheckboxSelectColumn = _slick12.default;\n\texports.HeaderButtons = _slick14.default;\n\texports.HeaderMenu = _slick16.default;\n\texports.RowMoveManager = _slick18.default;\n\texports.RowSelectionModel = _slick20.default;\n\n/***/ }),\n/* 7 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tObject.defineProperty(exports, \"__esModule\", {\n\t  value: true\n\t});\n\t\n\tvar _slick = __webpack_require__(8);\n\t\n\tvar _slick2 = _interopRequireDefault(_slick);\n\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\n\texports.default = _slick2.default;\n\n/***/ }),\n/* 8 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tObject.defineProperty(exports, \"__esModule\", {\n\t  value: true\n\t});\n\t\n\tvar _jquery = __webpack_require__(2);\n\t\n\tvar _jquery2 = _interopRequireDefault(_jquery);\n\t\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\t\n\texports.default = AutoTooltips;\n\t\n\t/**\n\t * AutoTooltips plugin to show/hide tooltips when columns are too narrow to fit content.\n\t * @constructor\n\t * @param {boolean} [options.enableForCells=true]        - Enable tooltip for grid cells\n\t * @param {boolean} [options.enableForHeaderCells=false] - Enable tooltip for header cells\n\t * @param {number}  [options.maxToolTipLength=null]      - The maximum length for a tooltip\n\t */\n\t\n\tfunction AutoTooltips(options) {\n\t  var _grid = void 0;\n\t  var _self = this;\n\t  var _defaults = {\n\t    enableForCells: true,\n\t    enableForHeaderCells: false,\n\t    maxToolTipLength: null\n\t  };\n\t\n\t  /**\n\t   * Initialize plugin.\n\t   */\n\t  function init(grid) {\n\t    options = Object.assign({}, _defaults, options);\n\t    _grid = grid;\n\t    if (options.enableForCells) _grid.onMouseEnter.subscribe(handleMouseEnter);\n\t    if (options.enableForHeaderCells) _grid.onHeaderMouseEnter.subscribe(handleHeaderMouseEnter);\n\t  }\n\t\n\t  /**\n\t   * Destroy plugin.\n\t   */\n\t  function destroy() {\n\t    if (options.enableForCells) _grid.onMouseEnter.unsubscribe(handleMouseEnter);\n\t    if (options.enableForHeaderCells) _grid.onHeaderMouseEnter.unsubscribe(handleHeaderMouseEnter);\n\t  }\n\t\n\t  /**\n\t   * Handle mouse entering grid cell to add/remove tooltip.\n\t   * @param {jQuery.Event} e - The event\n\t   */\n\t  function handleMouseEnter(e) {\n\t    var cell = _grid.getCellFromEvent(e);\n\t    if (cell) {\n\t      var $node = (0, _jquery2.default)(_grid.getCellNode(cell.row, cell.cell));\n\t      var text = void 0;\n\t      if ($node.innerWidth() < $node[0].scrollWidth) {\n\t        text = _jquery2.default.trim($node.text());\n\t        if (options.maxToolTipLength && text.length > options.maxToolTipLength) {\n\t          text = text.substr(0, options.maxToolTipLength - 3) + '...';\n\t        }\n\t      } else {\n\t        text = '';\n\t      }\n\t      $node.attr('title', text);\n\t    }\n\t  }\n\t\n\t  /**\n\t   * Handle mouse entering header cell to add/remove tooltip.\n\t   * @param {jQuery.Event} e     - The event\n\t   * @param {object} args.column - The column definition\n\t   */\n\t  function handleHeaderMouseEnter(e, args) {\n\t    var column = args.column,\n\t        $node = (0, _jquery2.default)(e.target).closest('.slick-header-column');\n\t    if (column && !column.toolTip) {\n\t      $node.attr('title', $node.innerWidth() < $node[0].scrollWidth ? column.name : '');\n\t    }\n\t  }\n\t\n\t  // Public API\n\t  Object.assign(this, {\n\t    init: init,\n\t    destroy: destroy\n\t  });\n\t}\n\n/***/ }),\n/* 9 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tObject.defineProperty(exports, \"__esModule\", {\n\t  value: true\n\t});\n\t\n\tvar _slick = __webpack_require__(10);\n\t\n\tvar _slick2 = _interopRequireDefault(_slick);\n\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\n\texports.default = _slick2.default;\n\n/***/ }),\n/* 10 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tObject.defineProperty(exports, \"__esModule\", {\n\t  value: true\n\t});\n\t\n\tvar _slick = __webpack_require__(1);\n\t\n\tvar _slick2 = _interopRequireDefault(_slick);\n\t\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\t\n\tvar keyCode = _slick2.default.keyCode;\n\texports.default = CellCopyManager;\n\t\n\t\n\tfunction CellCopyManager() {\n\t  var _grid;\n\t  var _self = this;\n\t  var _copiedRanges;\n\t\n\t  function init(grid) {\n\t    _grid = grid;\n\t    _grid.onKeyDown.subscribe(handleKeyDown);\n\t  }\n\t\n\t  function destroy() {\n\t    _grid.onKeyDown.unsubscribe(handleKeyDown);\n\t  }\n\t\n\t  function handleKeyDown(e, args) {\n\t    var ranges;\n\t    if (!_grid.getEditorLock().isActive()) {\n\t      if (e.which == keyCode.ESCAPE) {\n\t        if (_copiedRanges) {\n\t          e.preventDefault();\n\t          clearCopySelection();\n\t          _self.onCopyCancelled.notify({ ranges: _copiedRanges });\n\t          _copiedRanges = null;\n\t        }\n\t      }\n\t\n\t      if (e.which == 67 && (e.ctrlKey || e.metaKey)) {\n\t        ranges = _grid.getSelectionModel().getSelectedRanges();\n\t        if (ranges.length != 0) {\n\t          e.preventDefault();\n\t          _copiedRanges = ranges;\n\t          markCopySelection(ranges);\n\t          _self.onCopyCells.notify({ ranges: ranges });\n\t        }\n\t      }\n\t\n\t      if (e.which == 86 && (e.ctrlKey || e.metaKey)) {\n\t        if (_copiedRanges) {\n\t          e.preventDefault();\n\t          clearCopySelection();\n\t          ranges = _grid.getSelectionModel().getSelectedRanges();\n\t          _self.onPasteCells.notify({ from: _copiedRanges, to: ranges });\n\t          _copiedRanges = null;\n\t        }\n\t      }\n\t    }\n\t  }\n\t\n\t  function markCopySelection(ranges) {\n\t    var columns = _grid.getColumns();\n\t    var hash = {};\n\t    for (var i = 0; i < ranges.length; i++) {\n\t      for (var j = ranges[i].fromRow; j <= ranges[i].toRow; j++) {\n\t        hash[j] = {};\n\t        for (var k = ranges[i].fromCell; k <= ranges[i].toCell; k++) {\n\t          hash[j][columns[k].id] = 'copied';\n\t        }\n\t      }\n\t    }\n\t    _grid.setCellCssStyles('copy-manager', hash);\n\t  }\n\t\n\t  function clearCopySelection() {\n\t    _grid.removeCellCssStyles('copy-manager');\n\t  }\n\t\n\t  Object.assign(this, {\n\t    init: init,\n\t    destroy: destroy,\n\t    clearCopySelection: clearCopySelection,\n\t\n\t    onCopyCells: new _slick2.default.Event(),\n\t    onCopyCancelled: new _slick2.default.Event(),\n\t    onPasteCells: new _slick2.default.Event()\n\t  });\n\t}\n\n/***/ }),\n/* 11 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tObject.defineProperty(exports, \"__esModule\", {\n\t  value: true\n\t});\n\t\n\tvar _slick = __webpack_require__(3);\n\t\n\tvar _slick2 = _interopRequireDefault(_slick);\n\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\n\texports.default = _slick2.default;\n\n/***/ }),\n/* 12 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tObject.defineProperty(exports, \"__esModule\", {\n\t  value: true\n\t});\n\t\n\tvar _slick = __webpack_require__(4);\n\t\n\tvar _slick2 = _interopRequireDefault(_slick);\n\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\n\texports.default = _slick2.default;\n\n/***/ }),\n/* 13 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tObject.defineProperty(exports, \"__esModule\", {\n\t  value: true\n\t});\n\t\n\tvar _slick = __webpack_require__(14);\n\t\n\tvar _slick2 = _interopRequireDefault(_slick);\n\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\n\texports.default = _slick2.default;\n\n/***/ }),\n/* 14 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tObject.defineProperty(exports, \"__esModule\", {\n\t  value: true\n\t});\n\t\n\tvar _slick = __webpack_require__(1);\n\t\n\tvar _slick2 = _interopRequireDefault(_slick);\n\t\n\tvar _slick3 = __webpack_require__(4);\n\t\n\tvar _slick4 = _interopRequireDefault(_slick3);\n\t\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\t\n\texports.default = CellSelectionModel;\n\t\n\t\n\tfunction CellSelectionModel() {\n\t  var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {\n\t    selectActiveCell: true\n\t  };\n\t\n\t  var _grid = void 0;\n\t  var _canvas = void 0;\n\t  var _ranges = [];\n\t  var _self = this;\n\t  var _selector = new _slick4.default({\n\t    selectionCss: {\n\t      border: '2px solid black'\n\t    }\n\t  });\n\t  var _options = void 0;\n\t  var _defaults = {\n\t    selectActiveCell: true\n\t  };\n\t\n\t  function init(grid) {\n\t    _options = Object.assign({}, options);\n\t    _grid = grid;\n\t    _canvas = _grid.getCanvasNode();\n\t    _grid.onActiveCellChanged.subscribe(handleActiveCellChange);\n\t    _grid.onKeyDown.subscribe(handleKeyDown);\n\t    grid.registerPlugin(_selector);\n\t    _selector.onCellRangeSelected.subscribe(handleCellRangeSelected);\n\t    _selector.onBeforeCellRangeSelected.subscribe(handleBeforeCellRangeSelected);\n\t  }\n\t\n\t  function destroy() {\n\t    _grid.onActiveCellChanged.unsubscribe(handleActiveCellChange);\n\t    _grid.onKeyDown.unsubscribe(handleKeyDown);\n\t    _selector.onCellRangeSelected.unsubscribe(handleCellRangeSelected);\n\t    _selector.onBeforeCellRangeSelected.unsubscribe(handleBeforeCellRangeSelected);\n\t    _grid.unregisterPlugin(_selector);\n\t  }\n\t\n\t  function removeInvalidRanges(ranges) {\n\t    var result = [];\n\t\n\t    for (var i = 0; i < ranges.length; i++) {\n\t      var r = ranges[i];\n\t      if (_grid.canCellBeSelected(r.fromRow, r.fromCell) && _grid.canCellBeSelected(r.toRow, r.toCell)) {\n\t        result.push(r);\n\t      }\n\t    }\n\t\n\t    return result;\n\t  }\n\t\n\t  function setSelectedRanges(ranges) {\n\t    // simle check for: empty selection didn't change, prevent firing onSelectedRangesChanged\n\t    if ((!_ranges || _ranges.length === 0) && (!ranges || ranges.length === 0)) {\n\t      return;\n\t    }\n\t\n\t    _ranges = removeInvalidRanges(ranges);\n\t    _self.onSelectedRangesChanged.notify(_ranges);\n\t  }\n\t\n\t  function getSelectedRanges() {\n\t    return _ranges;\n\t  }\n\t\n\t  function handleBeforeCellRangeSelected(e, args) {\n\t    if (_grid.getEditorLock().isActive()) {\n\t      e.stopPropagation();\n\t      return false;\n\t    }\n\t  }\n\t\n\t  function handleCellRangeSelected(e, args) {\n\t    setSelectedRanges([args.range]);\n\t  }\n\t\n\t  function handleActiveCellChange(e, args) {\n\t    if (_options.selectActiveCell && args.row != null && args.cell != null) {\n\t      setSelectedRanges([new _slick2.default.Range(args.row, args.cell)]);\n\t    }\n\t  }\n\t\n\t  function handleKeyDown(e) {\n\t    /** *\n\t     * Кey codes\n\t     * 37 left\n\t     * 38 up\n\t     * 39 right\n\t     * 40 down\n\t     */\n\t    var ranges = void 0,\n\t        last = void 0;\n\t    var active = _grid.getActiveCell();\n\t\n\t    if (active && e.shiftKey && !e.ctrlKey && !e.altKey && (e.which == 37 || e.which == 39 || e.which == 38 || e.which == 40)) {\n\t      ranges = getSelectedRanges();\n\t      if (!ranges.length) ranges.push(new _slick2.default.Range(active.row, active.cell));\n\t\n\t      // keyboard can work with last range only\n\t      last = ranges.pop();\n\t\n\t      // can't handle selection out of active cell\n\t      if (!last.contains(active.row, active.cell)) last = new _slick2.default.Range(active.row, active.cell);\n\t\n\t      var dRow = last.toRow - last.fromRow,\n\t          dCell = last.toCell - last.fromCell,\n\t\n\t      // walking direction\n\t      dirRow = active.row == last.fromRow ? 1 : -1,\n\t          dirCell = active.cell == last.fromCell ? 1 : -1;\n\t\n\t      if (e.which == 37) {\n\t        dCell -= dirCell;\n\t      } else if (e.which == 39) {\n\t        dCell += dirCell;\n\t      } else if (e.which == 38) {\n\t        dRow -= dirRow;\n\t      } else if (e.which == 40) {\n\t        dRow += dirRow;\n\t      }\n\t\n\t      // define new selection range\n\t      var new_last = new _slick2.default.Range(active.row, active.cell, active.row + dirRow * dRow, active.cell + dirCell * dCell);\n\t      if (removeInvalidRanges([new_last]).length) {\n\t        ranges.push(new_last);\n\t        var viewRow = dirRow > 0 ? new_last.toRow : new_last.fromRow;\n\t        var viewCell = dirCell > 0 ? new_last.toCell : new_last.fromCell;\n\t        _grid.scrollRowIntoView(viewRow);\n\t        _grid.scrollCellIntoView(viewRow, viewCell);\n\t      } else ranges.push(last);\n\t\n\t      setSelectedRanges(ranges);\n\t\n\t      e.preventDefault();\n\t      e.stopPropagation();\n\t    }\n\t  }\n\t\n\t  Object.assign(this, {\n\t    getSelectedRanges: getSelectedRanges,\n\t    setSelectedRanges: setSelectedRanges,\n\t\n\t    init: init,\n\t    destroy: destroy,\n\t\n\t    onSelectedRangesChanged: new _slick2.default.Event()\n\t  });\n\t}\n\n/***/ }),\n/* 15 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tObject.defineProperty(exports, \"__esModule\", {\n\t  value: true\n\t});\n\t\n\tvar _slick = __webpack_require__(16);\n\t\n\tvar _slick2 = _interopRequireDefault(_slick);\n\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\n\texports.default = _slick2.default;\n\n/***/ }),\n/* 16 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tObject.defineProperty(exports, \"__esModule\", {\n\t  value: true\n\t});\n\t\n\tvar _jquery = __webpack_require__(2);\n\t\n\tvar _jquery2 = _interopRequireDefault(_jquery);\n\t\n\tvar _slick = __webpack_require__(1);\n\t\n\tvar _slick2 = _interopRequireDefault(_slick);\n\t\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\t\n\texports.default = CheckboxSelectColumn;\n\t\n\t\n\tfunction CheckboxSelectColumn(options) {\n\t  var _grid = void 0;\n\t  var _self = this;\n\t  var _handler = new _slick2.default.EventHandler();\n\t  var _selectedRowsLookup = {};\n\t  var _defaults = {\n\t    columnId: '_checkbox_selector',\n\t    cssClass: null,\n\t    toolTip: 'Select/Deselect All',\n\t    width: 30\n\t  };\n\t\n\t  var _options = _jquery2.default.extend(true, {}, _defaults, options);\n\t\n\t  function init(grid) {\n\t    _grid = grid;\n\t    _handler.subscribe(_grid.onSelectedRowsChanged, handleSelectedRowsChanged).subscribe(_grid.onClick, handleClick).subscribe(_grid.onHeaderClick, handleHeaderClick).subscribe(_grid.onKeyDown, handleKeyDown);\n\t  }\n\t\n\t  function destroy() {\n\t    _handler.unsubscribeAll();\n\t  }\n\t\n\t  function handleSelectedRowsChanged(e, args) {\n\t    var selectedRows = _grid.getSelectedRows();\n\t    var lookup = {},\n\t        row = void 0,\n\t        i = void 0;\n\t    for (i = 0; i < selectedRows.length; i++) {\n\t      row = selectedRows[i];\n\t      lookup[row] = true;\n\t      if (lookup[row] !== _selectedRowsLookup[row]) {\n\t        _grid.invalidateRow(row);\n\t        delete _selectedRowsLookup[row];\n\t      }\n\t    }\n\t    for (i in _selectedRowsLookup) {\n\t      _grid.invalidateRow(i);\n\t    }\n\t    _selectedRowsLookup = lookup;\n\t    _grid.render();\n\t\n\t    if (selectedRows.length && selectedRows.length == _grid.getDataLength()) {\n\t      _grid.updateColumnHeader(_options.columnId, \"<input type='checkbox' checked='checked'>\", _options.toolTip);\n\t    } else {\n\t      _grid.updateColumnHeader(_options.columnId, \"<input type='checkbox'>\", _options.toolTip);\n\t    }\n\t  }\n\t\n\t  function handleKeyDown(e, args) {\n\t    if (e.which == 32) {\n\t      if (_grid.getColumns()[args.cell].id === _options.columnId) {\n\t        // if editing, try to commit\n\t        if (!_grid.getEditorLock().isActive() || _grid.getEditorLock().commitCurrentEdit()) {\n\t          toggleRowSelection(args.row);\n\t        }\n\t        e.preventDefault();\n\t        e.stopImmediatePropagation();\n\t      }\n\t    }\n\t  }\n\t\n\t  function handleClick(e, args) {\n\t    // clicking on a row select checkbox\n\t    if (_grid.getColumns()[args.cell].id === _options.columnId && (0, _jquery2.default)(e.target).is(':checkbox')) {\n\t      // if editing, try to commit\n\t      if (_grid.getEditorLock().isActive() && !_grid.getEditorLock().commitCurrentEdit()) {\n\t        e.preventDefault();\n\t        e.stopImmediatePropagation();\n\t        return;\n\t      }\n\t\n\t      toggleRowSelection(args.row);\n\t      e.stopPropagation();\n\t      e.stopImmediatePropagation();\n\t    }\n\t  }\n\t\n\t  function toggleRowSelection(row) {\n\t    if (_selectedRowsLookup[row]) {\n\t      _grid.setSelectedRows(_jquery2.default.grep(_grid.getSelectedRows(), function (n) {\n\t        return n != row;\n\t      }));\n\t    } else {\n\t      _grid.setSelectedRows(_grid.getSelectedRows().concat(row));\n\t    }\n\t  }\n\t\n\t  function handleHeaderClick(e, args) {\n\t    if (args.column.id == _options.columnId && (0, _jquery2.default)(e.target).is(':checkbox')) {\n\t      // if editing, try to commit\n\t      if (_grid.getEditorLock().isActive() && !_grid.getEditorLock().commitCurrentEdit()) {\n\t        e.preventDefault();\n\t        e.stopImmediatePropagation();\n\t        return;\n\t      }\n\t\n\t      if ((0, _jquery2.default)(e.target).is(':checked')) {\n\t        var rows = [];\n\t        for (var i = 0; i < _grid.getDataLength(); i++) {\n\t          rows.push(i);\n\t        }\n\t        _grid.setSelectedRows(rows);\n\t      } else {\n\t        _grid.setSelectedRows([]);\n\t      }\n\t      e.stopPropagation();\n\t      e.stopImmediatePropagation();\n\t    }\n\t  }\n\t\n\t  function getColumnDefinition() {\n\t    return {\n\t      id: _options.columnId,\n\t      name: \"<input type='checkbox'>\",\n\t      toolTip: _options.toolTip,\n\t      field: 'sel',\n\t      width: _options.width,\n\t      resizable: false,\n\t      sortable: false,\n\t      cssClass: _options.cssClass,\n\t      formatter: checkboxSelectionFormatter\n\t    };\n\t  }\n\t\n\t  function checkboxSelectionFormatter(row, cell, value, columnDef, dataContext) {\n\t    if (dataContext) {\n\t      return _selectedRowsLookup[row] ? \"<input type='checkbox' checked='checked'>\" : \"<input type='checkbox'>\";\n\t    }\n\t    return null;\n\t  }\n\t\n\t  Object.assign(this, {\n\t    init: init,\n\t    destroy: destroy,\n\t\n\t    getColumnDefinition: getColumnDefinition\n\t  });\n\t}\n\n/***/ }),\n/* 17 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tObject.defineProperty(exports, \"__esModule\", {\n\t  value: true\n\t});\n\t\n\tvar _slick = __webpack_require__(18);\n\t\n\tvar _slick2 = _interopRequireDefault(_slick);\n\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\n\texports.default = _slick2.default;\n\n/***/ }),\n/* 18 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tObject.defineProperty(exports, \"__esModule\", {\n\t  value: true\n\t});\n\t\n\tvar _jquery = __webpack_require__(2);\n\t\n\tvar _jquery2 = _interopRequireDefault(_jquery);\n\t\n\tvar _slick = __webpack_require__(1);\n\t\n\tvar _slick2 = _interopRequireDefault(_slick);\n\t\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\t\n\texports.default = HeaderButtons;\n\t/** *\n\t * A plugin to add custom buttons to column headers.\n\t *\n\t * USAGE:\n\t *\n\t * Add the plugin .js & .css files and register it with the grid.\n\t *\n\t * To specify a custom button in a column header, extend the column definition like so:\n\t *\n\t *   var columns = [\n\t *     {\n\t *       id: 'myColumn',\n\t *       name: 'My column',\n\t *\n\t *       // This is the relevant part\n\t *       header: {\n\t *          buttons: [\n\t *              {\n\t *                // button options\n\t *              },\n\t *              {\n\t *                // button options\n\t *              }\n\t *          ]\n\t *       }\n\t *     }\n\t *   ];\n\t *\n\t * Available button options:\n\t *    cssClass:     CSS class to add to the button.\n\t *    image:        Relative button image path.\n\t *    tooltip:      Button tooltip.\n\t *    showOnHover:  Only show the button on hover.\n\t *    handler:      Button click handler.\n\t *    command:      A command identifier to be passed to the onCommand event handlers.\n\t *\n\t * The plugin exposes the following events:\n\t *    onCommand:    Fired on button click for buttons with 'command' specified.\n\t *        Event args:\n\t *            grid:     Reference to the grid.\n\t *            column:   Column definition.\n\t *            command:  Button command identified.\n\t *            button:   Button options.  Note that you can change the button options in your\n\t *                      event handler, and the column header will be automatically updated to\n\t *                      reflect them.  This is useful if you want to implement something like a\n\t *                      toggle button.\n\t *\n\t *\n\t * @param options {Object} Options:\n\t *    buttonCssClass:   a CSS class to use for buttons (default 'slick-header-button')\n\t * @class Slick.Plugins.HeaderButtons\n\t * @constructor\n\t */\n\t\n\tfunction HeaderButtons(options) {\n\t  var _grid;\n\t  var _self = this;\n\t  var _handler = new _slick2.default.EventHandler();\n\t  var _defaults = {\n\t    buttonCssClass: 'slick-header-button'\n\t  };\n\t\n\t  function init(grid) {\n\t    options = Object.assign({}, _defaults, options);\n\t    _grid = grid;\n\t    _handler.subscribe(_grid.onHeaderCellRendered, handleHeaderCellRendered).subscribe(_grid.onBeforeHeaderCellDestroy, handleBeforeHeaderCellDestroy);\n\t\n\t    // Force the grid to re-render the header now that the events are hooked up.\n\t    _grid.setColumns(_grid.getColumns());\n\t  }\n\t\n\t  function destroy() {\n\t    _handler.unsubscribeAll();\n\t  }\n\t\n\t  function handleHeaderCellRendered(e, args) {\n\t    var column = args.column;\n\t\n\t    if (column.header && column.header.buttons) {\n\t      // Append buttons in reverse order since they are floated to the right.\n\t      var i = column.header.buttons.length;\n\t      while (i--) {\n\t        var button = column.header.buttons[i];\n\t        var btn = (0, _jquery2.default)('<div></div>').addClass(options.buttonCssClass).data('column', column).data('button', button);\n\t\n\t        if (button.showOnHover) {\n\t          btn.addClass('slick-header-button-hidden');\n\t        }\n\t\n\t        if (button.image) {\n\t          btn.css('backgroundImage', 'url(' + button.image + ')');\n\t        }\n\t\n\t        if (button.cssClass) {\n\t          btn.addClass(button.cssClass);\n\t        }\n\t\n\t        if (button.tooltip) {\n\t          btn.attr('title', button.tooltip);\n\t        }\n\t\n\t        if (button.command) {\n\t          btn.data('command', button.command);\n\t        }\n\t\n\t        if (button.handler) {\n\t          btn.bind('click', button.handler);\n\t        }\n\t\n\t        btn.bind('click', handleButtonClick).appendTo(args.node);\n\t        args.node.classList.add('has-buttons');\n\t      }\n\t    }\n\t  }\n\t\n\t  function handleBeforeHeaderCellDestroy(e, args) {\n\t    var column = args.column;\n\t\n\t    if (column.header && column.header.buttons) {\n\t      // Removing buttons via jQuery will also clean up any event handlers and data.\n\t      // NOTE: If you attach event handlers directly or using a different framework,\n\t      //       you must also clean them up here to avoid memory leaks.\n\t      (0, _jquery2.default)(args.node).find('.' + options.buttonCssClass).remove();\n\t    }\n\t  }\n\t\n\t  function handleButtonClick(e) {\n\t    var command = (0, _jquery2.default)(this).data('command');\n\t    var columnDef = (0, _jquery2.default)(this).data('column');\n\t    var button = (0, _jquery2.default)(this).data('button');\n\t\n\t    if (command != null) {\n\t      _self.onCommand.notify({\n\t        'grid': _grid,\n\t        'column': columnDef,\n\t        'command': command,\n\t        'button': button\n\t      }, e, _self);\n\t\n\t      // Update the header in case the user updated the button definition in the handler.\n\t      _grid.updateColumnHeader(columnDef.id);\n\t    }\n\t\n\t    // Stop propagation so that it doesn't register as a header click event.\n\t    e.preventDefault();\n\t    e.stopPropagation();\n\t  }\n\t\n\t  Object.assign(this, {\n\t    init: init,\n\t    destroy: destroy,\n\t\n\t    'onCommand': new _slick2.default.Event()\n\t  });\n\t}\n\n/***/ }),\n/* 19 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tObject.defineProperty(exports, \"__esModule\", {\n\t  value: true\n\t});\n\t\n\tvar _slick = __webpack_require__(20);\n\t\n\tvar _slick2 = _interopRequireDefault(_slick);\n\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\n\texports.default = _slick2.default;\n\n/***/ }),\n/* 20 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tObject.defineProperty(exports, \"__esModule\", {\n\t  value: true\n\t});\n\t\n\tvar _jquery = __webpack_require__(2);\n\t\n\tvar _jquery2 = _interopRequireDefault(_jquery);\n\t\n\tvar _slick = __webpack_require__(1);\n\t\n\tvar _slick2 = _interopRequireDefault(_slick);\n\t\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\t\n\t// import './slick.headermenu.css';\n\t\n\texports.default = HeaderMenu;\n\t\n\t/** *\n\t * A plugin to add drop-down menus to column headers.\n\t *\n\t * USAGE:\n\t *\n\t * Add the plugin .js & .css files and register it with the grid.\n\t *\n\t * To specify a menu in a column header, extend the column definition like so:\n\t *\n\t *   const columns = [\n\t *     {\n\t *       id: 'myColumn',\n\t *       name: 'My column',\n\t *\n\t *       // This is the relevant part\n\t *       header: {\n\t *          menu: {\n\t *              items: [\n\t *                {\n\t *                  // menu item options\n\t *                },\n\t *                {\n\t *                  // menu item options\n\t *                }\n\t *              ]\n\t *          }\n\t *       }\n\t *     }\n\t *   ];\n\t *\n\t *\n\t * Available menu options:\n\t *    tooltip:      Menu button tooltip.\n\t *\n\t *\n\t * Available menu item options:\n\t *    title:        Menu item text.\n\t *    disabled:     Whether the item is disabled.\n\t *    tooltip:      Item tooltip.\n\t *    command:      A command identifier to be passed to the onCommand event handlers.\n\t *    iconCssClass: A CSS class to be added to the menu item icon.\n\t *    iconImage:    A url to the icon image.\n\t *\n\t *\n\t * The plugin exposes the following events:\n\t *    onBeforeMenuShow:   Fired before the menu is shown.  You can customize the menu or dismiss it by returning false.\n\t *        Event args:\n\t *            grid:     Reference to the grid.\n\t *            column:   Column definition.\n\t *            menu:     Menu options.  Note that you can change the menu items here.\n\t *\n\t *    onCommand:    Fired on menu item click for buttons with 'command' specified.\n\t *        Event args:\n\t *            grid:     Reference to the grid.\n\t *            column:   Column definition.\n\t *            command:  Button command identified.\n\t *            button:   Button options.  Note that you can change the button options in your\n\t *                      event handler, and the column header will be automatically updated to\n\t *                      reflect them.  This is useful if you want to implement something like a\n\t *                      toggle button.\n\t *\n\t *\n\t * @param options {Object} Options:\n\t *    buttonCssClass:   an extra CSS class to add to the menu button\n\t *    buttonImage:      a url to the menu button image (default '../images/down.gif')\n\t * @class Slick.Plugins.HeaderButtons\n\t * @constructor\n\t */\n\t\n\tfunction HeaderMenu(options) {\n\t  var _grid = void 0;\n\t  var _self = this;\n\t  var _handler = new _slick2.default.EventHandler();\n\t  var _defaults = {\n\t    buttonCssClass: null,\n\t    buttonImage: null\n\t  };\n\t\n\t  var $menu = void 0;\n\t  var $activeHeaderColumn = void 0;\n\t\n\t  function init(grid) {\n\t    options = Object.assign({}, _defaults, options);\n\t    _grid = grid;\n\t    _handler.subscribe(_grid.onHeaderCellRendered, handleHeaderCellRendered).subscribe(_grid.onBeforeHeaderCellDestroy, handleBeforeHeaderCellDestroy);\n\t\n\t    // Force the grid to re-render the header now that the events are hooked up.\n\t    _grid.setColumns(_grid.getColumns());\n\t\n\t    // Hide the menu on outside click.\n\t    (0, _jquery2.default)(document.body).bind('mousedown', handleBodyMouseDown);\n\t  }\n\t\n\t  function destroy() {\n\t    _handler.unsubscribeAll();\n\t    (0, _jquery2.default)(document.body).unbind('mousedown', handleBodyMouseDown);\n\t  }\n\t\n\t  function handleBodyMouseDown(e) {\n\t    if ($menu && $menu[0] != e.target && !_jquery2.default.contains($menu[0], e.target)) {\n\t      hideMenu();\n\t    }\n\t  }\n\t\n\t  function hideMenu() {\n\t    if ($menu) {\n\t      $menu.remove();\n\t      $menu = null;\n\t      $activeHeaderColumn.removeClass('slick-header-column-active');\n\t    }\n\t  }\n\t\n\t  function handleHeaderCellRendered(e, args) {\n\t    var column = args.column;\n\t    var menu = column.header && column.header.menu;\n\t\n\t    if (menu) {\n\t      var $el = (0, _jquery2.default)('<div></div>').addClass('slick-header-menubutton').data('column', column).data('menu', menu);\n\t\n\t      if (options.buttonCssClass) {\n\t        $el.addClass(options.buttonCssClass);\n\t      }\n\t\n\t      if (options.buttonImage) {\n\t        $el.css('background-image', 'url(' + options.buttonImage + ')');\n\t      }\n\t\n\t      if (menu.tooltip) {\n\t        $el.attr('title', menu.tooltip);\n\t      }\n\t\n\t      $el.bind('click', showMenu).appendTo(args.node);\n\t    }\n\t  }\n\t\n\t  function handleBeforeHeaderCellDestroy(e, args) {\n\t    var column = args.column;\n\t\n\t    if (column.header && column.header.menu) {\n\t      (0, _jquery2.default)(args.node).find('.slick-header-menubutton').remove();\n\t    }\n\t  }\n\t\n\t  function showMenu(e) {\n\t    var $menuButton = (0, _jquery2.default)(this);\n\t    var menu = $menuButton.data('menu');\n\t    var columnDef = $menuButton.data('column');\n\t\n\t    // Let the user modify the menu or cancel altogether,\n\t    // or provide alternative menu implementation.\n\t    if (_self.onBeforeMenuShow.notify({\n\t      'grid': _grid,\n\t      'column': columnDef,\n\t      'menu': menu\n\t    }, e, _self) == false) {\n\t      return;\n\t    }\n\t\n\t    if (!$menu) {\n\t      $menu = (0, _jquery2.default)(\"<div class='slick-header-menu'></div>\").appendTo(_grid.getContainerNode());\n\t    }\n\t    $menu.empty();\n\t\n\t    // Construct the menu items.\n\t    for (var i = 0; i < menu.items.length; i++) {\n\t      var item = menu.items[i];\n\t\n\t      var $li = (0, _jquery2.default)(\"<div class='slick-header-menuitem'></div>\").data('command', item.command || '').data('column', columnDef).data('item', item).bind('click', handleMenuItemClick).appendTo($menu);\n\t\n\t      if (item.disabled) {\n\t        $li.addClass('slick-header-menuitem-disabled');\n\t      }\n\t\n\t      if (item.tooltip) {\n\t        $li.attr('title', item.tooltip);\n\t      }\n\t\n\t      var $icon = (0, _jquery2.default)(\"<div class='slick-header-menuicon'></div>\").appendTo($li);\n\t\n\t      if (item.iconCssClass) {\n\t        $icon.addClass(item.iconCssClass);\n\t      }\n\t\n\t      if (item.iconImage) {\n\t        $icon.css('background-image', 'url(' + item.iconImage + ')');\n\t      }\n\t\n\t      (0, _jquery2.default)(\"<span class='slick-header-menucontent'></span>\").text(item.title).appendTo($li);\n\t    }\n\t\n\t    // Position the menu.\n\t    $menu.offset({ top: (0, _jquery2.default)(this).offset().top + (0, _jquery2.default)(this).height(), left: (0, _jquery2.default)(this).offset().left });\n\t\n\t    // Mark the header as active to keep the highlighting.\n\t    $activeHeaderColumn = $menuButton.closest('.slick-header-column');\n\t    $activeHeaderColumn.addClass('slick-header-column-active');\n\t\n\t    // Stop propagation so that it doesn't register as a header click event.\n\t    e.preventDefault();\n\t    e.stopPropagation();\n\t  }\n\t\n\t  function handleMenuItemClick(e) {\n\t    var command = (0, _jquery2.default)(this).data('command');\n\t    var columnDef = (0, _jquery2.default)(this).data('column');\n\t    var item = (0, _jquery2.default)(this).data('item');\n\t\n\t    if (item.disabled) {\n\t      return;\n\t    }\n\t\n\t    hideMenu();\n\t\n\t    if (command != null && command != '') {\n\t      _self.onCommand.notify({\n\t        'grid': _grid,\n\t        'column': columnDef,\n\t        'command': command,\n\t        'item': item\n\t      }, e, _self);\n\t    }\n\t\n\t    // Stop propagation so that it doesn't register as a header click event.\n\t    e.preventDefault();\n\t    e.stopPropagation();\n\t  }\n\t\n\t  Object.assign(this, {\n\t    init: init,\n\t    destroy: destroy,\n\t\n\t    'onBeforeMenuShow': new _slick2.default.Event(),\n\t    'onCommand': new _slick2.default.Event()\n\t  });\n\t}\n\n/***/ }),\n/* 21 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tObject.defineProperty(exports, \"__esModule\", {\n\t  value: true\n\t});\n\t\n\tvar _slick = __webpack_require__(22);\n\t\n\tvar _slick2 = _interopRequireDefault(_slick);\n\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\n\texports.default = _slick2.default;\n\n/***/ }),\n/* 22 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tObject.defineProperty(exports, \"__esModule\", {\n\t  value: true\n\t});\n\t\n\tvar _slick = __webpack_require__(1);\n\t\n\tvar _slick2 = _interopRequireDefault(_slick);\n\t\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\t\n\texports.default = RowMoveManager;\n\t\n\t\n\tfunction RowMoveManager(options) {\n\t  var _grid = void 0;\n\t  var _canvas = void 0;\n\t  var _dragging = void 0;\n\t  var _self = this;\n\t  var _handler = new _slick2.default.EventHandler();\n\t  var _defaults = {\n\t    cancelEditOnDrag: false\n\t  };\n\t\n\t  function init(grid) {\n\t    options = Object.assign({}, _defaults, options);\n\t    _grid = grid;\n\t    _canvas = _grid.getCanvasNode();\n\t    _handler.subscribe(_grid.onDragInit, handleDragInit).subscribe(_grid.onDragStart, handleDragStart).subscribe(_grid.onDrag, handleDrag).subscribe(_grid.onDragEnd, handleDragEnd);\n\t  }\n\t\n\t  function destroy() {\n\t    _handler.unsubscribeAll();\n\t  }\n\t\n\t  function handleDragInit(e, dd) {\n\t    // prevent the grid from cancelling drag'n'drop by default\n\t    e.stopImmediatePropagation();\n\t  }\n\t\n\t  function handleDragStart(e, dd) {\n\t    var cell = _grid.getCellFromEvent(e);\n\t\n\t    if (options.cancelEditOnDrag && _grid.getEditorLock().isActive()) {\n\t      _grid.getEditorLock().cancelCurrentEdit();\n\t    }\n\t\n\t    if (_grid.getEditorLock().isActive() || !/move|selectAndMove/.test(_grid.getColumns()[cell.cell].behavior)) {\n\t      return false;\n\t    }\n\t\n\t    _dragging = true;\n\t    e.stopImmediatePropagation();\n\t\n\t    var selectedRows = _grid.getSelectedRows();\n\t\n\t    if (selectedRows.length == 0 || $.inArray(cell.row, selectedRows) == -1) {\n\t      selectedRows = [cell.row];\n\t      _grid.setSelectedRows(selectedRows);\n\t    }\n\t\n\t    var rowHeight = _grid.getOptions().rowHeight;\n\t\n\t    dd.selectedRows = selectedRows;\n\t\n\t    dd.selectionProxy = $(\"<div class='slick-reorder-proxy'/>\").css('position', 'absolute').css('zIndex', '99999').css('width', $(_canvas).innerWidth()).css('height', rowHeight * selectedRows.length).appendTo(_canvas);\n\t\n\t    dd.guide = $(\"<div class='slick-reorder-guide'/>\").css('position', 'absolute').css('zIndex', '99998').css('width', $(_canvas).innerWidth()).css('top', -1000).appendTo(_canvas);\n\t\n\t    dd.insertBefore = -1;\n\t  }\n\t\n\t  function handleDrag(e, dd) {\n\t    if (!_dragging) {\n\t      return;\n\t    }\n\t\n\t    e.stopImmediatePropagation();\n\t\n\t    var top = e.pageY - $(_canvas).offset().top;\n\t    dd.selectionProxy.css('top', top - 5);\n\t\n\t    var insertBefore = Math.max(0, Math.min(Math.round(top / _grid.getOptions().rowHeight), _grid.getDataLength()));\n\t    if (insertBefore !== dd.insertBefore) {\n\t      var eventData = {\n\t        'rows': dd.selectedRows,\n\t        'insertBefore': insertBefore\n\t      };\n\t\n\t      if (_self.onBeforeMoveRows.notify(eventData) === false) {\n\t        dd.guide.css('top', -1000);\n\t        dd.canMove = false;\n\t      } else {\n\t        dd.guide.css('top', insertBefore * _grid.getOptions().rowHeight);\n\t        dd.canMove = true;\n\t      }\n\t\n\t      dd.insertBefore = insertBefore;\n\t    }\n\t  }\n\t\n\t  function handleDragEnd(e, dd) {\n\t    if (!_dragging) {\n\t      return;\n\t    }\n\t    _dragging = false;\n\t    e.stopImmediatePropagation();\n\t\n\t    dd.guide.remove();\n\t    dd.selectionProxy.remove();\n\t\n\t    if (dd.canMove) {\n\t      var eventData = {\n\t        'rows': dd.selectedRows,\n\t        'insertBefore': dd.insertBefore\n\t      };\n\t      // TODO:  _grid.remapCellCssClasses ?\n\t      _self.onMoveRows.notify(eventData);\n\t    }\n\t  }\n\t\n\t  Object.assign(this, {\n\t    'onBeforeMoveRows': new _slick2.default.Event(),\n\t    'onMoveRows': new _slick2.default.Event(),\n\t    init: init,\n\t    destroy: destroy\n\t  });\n\t}\n\n/***/ }),\n/* 23 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tObject.defineProperty(exports, \"__esModule\", {\n\t  value: true\n\t});\n\t\n\tvar _slick = __webpack_require__(24);\n\t\n\tvar _slick2 = _interopRequireDefault(_slick);\n\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\n\texports.default = _slick2.default;\n\n/***/ }),\n/* 24 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tObject.defineProperty(exports, \"__esModule\", {\n\t  value: true\n\t});\n\t\n\tvar _jquery = __webpack_require__(2);\n\t\n\tvar _jquery2 = _interopRequireDefault(_jquery);\n\t\n\tvar _slick = __webpack_require__(1);\n\t\n\tvar _slick2 = _interopRequireDefault(_slick);\n\t\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\t\n\texports.default = RowSelectionModel;\n\t\n\t\n\tfunction RowSelectionModel(options) {\n\t  var _grid = void 0;\n\t  var _ranges = [];\n\t  var _self = this;\n\t  var _handler = new _slick2.default.EventHandler();\n\t  var _inHandler = void 0;\n\t  var _options = void 0;\n\t  var _defaults = {\n\t    selectActiveRow: true\n\t  };\n\t\n\t  function init(grid) {\n\t    _options = Object.assign({}, _defaults, options);\n\t    _grid = grid;\n\t    _handler.subscribe(_grid.onActiveCellChanged, wrapHandler(handleActiveCellChange));\n\t    _handler.subscribe(_grid.onKeyDown, wrapHandler(handleKeyDown));\n\t    _handler.subscribe(_grid.onClick, wrapHandler(handleClick));\n\t  }\n\t\n\t  function destroy() {\n\t    _handler.unsubscribeAll();\n\t  }\n\t\n\t  function wrapHandler(handler) {\n\t    return function () {\n\t      if (!_inHandler) {\n\t        _inHandler = true;\n\t        handler.apply(this, arguments);\n\t        _inHandler = false;\n\t      }\n\t    };\n\t  }\n\t\n\t  function rangesToRows(ranges) {\n\t    var rows = [];\n\t    for (var i = 0; i < ranges.length; i++) {\n\t      for (var j = ranges[i].fromRow; j <= ranges[i].toRow; j++) {\n\t        rows.push(j);\n\t      }\n\t    }\n\t    return rows;\n\t  }\n\t\n\t  function rowsToRanges(rows) {\n\t    var ranges = [];\n\t    var lastCell = _grid.getColumns().length - 1;\n\t    for (var i = 0; i < rows.length; i++) {\n\t      ranges.push(new _slick2.default.Range(rows[i], 0, rows[i], lastCell));\n\t    }\n\t    return ranges;\n\t  }\n\t\n\t  function getRowsRange(from, to) {\n\t    var i = void 0;\n\t    var rows = [];\n\t    for (i = from; i <= to; i++) {\n\t      rows.push(i);\n\t    }\n\t    for (i = to; i < from; i++) {\n\t      rows.push(i);\n\t    }\n\t    return rows;\n\t  }\n\t\n\t  function getSelectedRows() {\n\t    return rangesToRows(_ranges);\n\t  }\n\t\n\t  function setSelectedRows(rows) {\n\t    setSelectedRanges(rowsToRanges(rows));\n\t  }\n\t\n\t  function setSelectedRanges(ranges) {\n\t    // simle check for: empty selection didn't change, prevent firing onSelectedRangesChanged\n\t    if ((!_ranges || _ranges.length === 0) && (!ranges || ranges.length === 0)) {\n\t      return;\n\t    }\n\t    _ranges = ranges;\n\t    _self.onSelectedRangesChanged.notify(_ranges);\n\t  }\n\t\n\t  function getSelectedRanges() {\n\t    return _ranges;\n\t  }\n\t\n\t  function handleActiveCellChange(e, data) {\n\t    if (_options.selectActiveRow && data.row != null) {\n\t      setSelectedRanges([new _slick2.default.Range(data.row, 0, data.row, _grid.getColumns().length - 1)]);\n\t    }\n\t  }\n\t\n\t  function handleKeyDown(e) {\n\t    var activeRow = _grid.getActiveCell();\n\t    if (activeRow && e.shiftKey && !e.ctrlKey && !e.altKey && !e.metaKey && (e.which == 38 || e.which == 40)) {\n\t      var selectedRows = getSelectedRows();\n\t      selectedRows.sort(function (x, y) {\n\t        return x - y;\n\t      });\n\t\n\t      if (!selectedRows.length) {\n\t        selectedRows = [activeRow.row];\n\t      }\n\t\n\t      var top = selectedRows[0];\n\t      var bottom = selectedRows[selectedRows.length - 1];\n\t      var active = void 0;\n\t\n\t      if (e.which == 40) {\n\t        active = activeRow.row < bottom || top == bottom ? ++bottom : ++top;\n\t      } else {\n\t        active = activeRow.row < bottom ? --bottom : --top;\n\t      }\n\t\n\t      if (active >= 0 && active < _grid.getDataLength()) {\n\t        _grid.scrollRowIntoView(active);\n\t        _ranges = rowsToRanges(getRowsRange(top, bottom));\n\t        setSelectedRanges(_ranges);\n\t      }\n\t\n\t      e.preventDefault();\n\t      e.stopPropagation();\n\t    }\n\t  }\n\t\n\t  function handleClick(e) {\n\t    var cell = _grid.getCellFromEvent(e);\n\t    if (!cell || !_grid.canCellBeActive(cell.row, cell.cell)) {\n\t      return false;\n\t    }\n\t\n\t    if (!_grid.getOptions().multiSelect || !e.ctrlKey && !e.shiftKey && !e.metaKey) {\n\t      return false;\n\t    }\n\t\n\t    var selection = rangesToRows(_ranges);\n\t    var idx = _jquery2.default.inArray(cell.row, selection);\n\t\n\t    if (idx === -1 && (e.ctrlKey || e.metaKey)) {\n\t      selection.push(cell.row);\n\t      _grid.setActiveCell(cell.row, cell.cell);\n\t    } else if (idx !== -1 && (e.ctrlKey || e.metaKey)) {\n\t      selection = _jquery2.default.grep(selection, function (o, i) {\n\t        return o !== cell.row;\n\t      });\n\t      _grid.setActiveCell(cell.row, cell.cell);\n\t    } else if (selection.length && e.shiftKey) {\n\t      var last = selection.pop();\n\t      var from = Math.min(cell.row, last);\n\t      var to = Math.max(cell.row, last);\n\t      selection = [];\n\t      for (var i = from; i <= to; i++) {\n\t        if (i !== last) {\n\t          selection.push(i);\n\t        }\n\t      }\n\t      selection.push(last);\n\t      _grid.setActiveCell(cell.row, cell.cell);\n\t    }\n\t\n\t    _ranges = rowsToRanges(selection);\n\t    setSelectedRanges(_ranges);\n\t    e.stopImmediatePropagation();\n\t\n\t    return true;\n\t  }\n\t\n\t  Object.assign(this, {\n\t    getSelectedRows: getSelectedRows,\n\t    setSelectedRows: setSelectedRows,\n\t\n\t    getSelectedRanges: getSelectedRanges,\n\t    setSelectedRanges: setSelectedRanges,\n\t\n\t    init: init,\n\t    destroy: destroy,\n\t\n\t    'onSelectedRangesChanged': new _slick2.default.Event()\n\t  });\n\t}\n\n/***/ }),\n/* 25 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tObject.defineProperty(exports, \"__esModule\", {\n\t  value: true\n\t});\n\texports.Plugins = exports.FrozenGrid = exports.Grid = exports.Data = exports.Formatters = exports.Editors = exports.Slick = undefined;\n\t\n\tvar _slick = __webpack_require__(1);\n\t\n\tvar _slick2 = _interopRequireDefault(_slick);\n\t\n\tvar _slick3 = __webpack_require__(28);\n\t\n\tvar _slick4 = _interopRequireDefault(_slick3);\n\t\n\tvar _slick5 = __webpack_require__(27);\n\t\n\tvar _slick6 = _interopRequireDefault(_slick5);\n\t\n\tvar _slick7 = __webpack_require__(30);\n\t\n\tvar _slick8 = _interopRequireDefault(_slick7);\n\t\n\tvar _slickFrozen = __webpack_require__(26);\n\t\n\tvar _slickFrozen2 = _interopRequireDefault(_slickFrozen);\n\t\n\tvar _slick9 = __webpack_require__(29);\n\t\n\tvar _slick10 = _interopRequireDefault(_slick9);\n\t\n\tvar _plugins = __webpack_require__(6);\n\t\n\tvar Plugins = _interopRequireWildcard(_plugins);\n\t\n\tfunction _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }\n\t\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\t\n\texports.Slick = _slick2.default;\n\texports.Editors = _slick4.default;\n\texports.Formatters = _slick10.default;\n\texports.Data = _slick6.default;\n\texports.Grid = _slick8.default;\n\texports.FrozenGrid = _slickFrozen2.default;\n\texports.Plugins = Plugins;\n\n/***/ }),\n/* 26 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tObject.defineProperty(exports, \"__esModule\", {\n\t  value: true\n\t});\n\t\n\tvar _jquery = __webpack_require__(2);\n\t\n\tvar _jquery2 = _interopRequireDefault(_jquery);\n\t\n\tvar _interact = __webpack_require__(5);\n\t\n\tvar _interact2 = _interopRequireDefault(_interact);\n\t\n\tvar _slick = __webpack_require__(1);\n\t\n\tvar _slick2 = _interopRequireDefault(_slick);\n\t\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\t\n\t// Slick.Grid globals pretense\n\t_slick2.default.FrozenGrid = SlickGrid; /**\n\t                                         * @license\n\t                                         * (c) 2009-2013 Michael Leibman\n\t                                         * michael{dot}leibman{at}gmail{dot}com\n\t                                         * http://github.com/mleibman/slickgrid\n\t                                         *\n\t                                         * Distributed under MIT license.\n\t                                         * All rights reserved.\n\t                                         *\n\t                                         * SlickGrid v2.2\n\t                                         *\n\t                                         * NOTES:\n\t                                         *     Cell/row DOM manipulations are done directly bypassing jQuery's DOM manipulation methods.\n\t                                         *     This increases the speed dramatically, but can only be done safely because there are no event handlers\n\t                                         *     or data associated with any cell/row DOM nodes.  Cell editors must make sure they implement .destroy()\n\t                                         *     and do proper cleanup.\n\t                                         */\n\t\n\texports.default = SlickGrid;\n\t\n\t// shared across all grids on the page\n\t\n\tvar scrollbarDimensions;\n\tvar maxSupportedCssHeight; // browser's breaking point\n\t\n\t//////////////////////////////////////////////////////////////////////////////////////////////\n\t// SlickGrid class implementation (available as Slick.Grid)\n\t\n\t/**\n\t * Creates a new instance of the grid.\n\t * @class SlickGrid\n\t * @constructor\n\t * @param {Node}              container   Container node to create the grid in.\n\t * @param {Array,Object}      data        An array of objects for databinding.\n\t * @param {Array}             columns     An array of column definitions.\n\t * @param {Object}            options     Grid options.\n\t **/\n\tfunction SlickGrid(container, data, columns, options) {\n\t  // settings\n\t  var defaults = {\n\t    explicitInitialization: false,\n\t    rowHeight: 25,\n\t    defaultColumnWidth: 80,\n\t    enableAddRow: false,\n\t    leaveSpaceForNewRows: false,\n\t    editable: false,\n\t    autoEdit: true,\n\t    enableCellNavigation: true,\n\t    enableColumnReorder: true,\n\t    asyncEditorLoading: false,\n\t    asyncEditorLoadDelay: 100,\n\t    forceFitColumns: false,\n\t    enableAsyncPostRender: false,\n\t    asyncPostRenderDelay: 50,\n\t    autoHeight: false,\n\t    editorLock: _slick2.default.GlobalEditorLock,\n\t    showHeaderRow: false,\n\t    headerRowHeight: 25,\n\t    showFooterRow: false,\n\t    footerRowHeight: 25,\n\t    showTopPanel: false,\n\t    topPanelHeight: 25,\n\t    formatterFactory: null,\n\t    editorFactory: null,\n\t    cellFlashingCssClass: \"flashing\",\n\t    selectedCellCssClass: \"selected\",\n\t    multiSelect: true,\n\t    enableTextSelectionOnCells: false,\n\t    dataItemColumnValueExtractor: null,\n\t    frozenBottom: false,\n\t    frozenColumn: -1,\n\t    frozenRow: -1,\n\t    fullWidthRows: false,\n\t    multiColumnSort: false,\n\t    defaultFormatter: defaultFormatter,\n\t    forceSyncScrolling: false,\n\t    addNewRowCssClass: \"new-row\"\n\t  };\n\t\n\t  var columnDefaults = {\n\t    name: \"\",\n\t    resizable: true,\n\t    sortable: false,\n\t    minWidth: 30,\n\t    rerenderOnResize: false,\n\t    headerCssClass: null,\n\t    defaultSortAsc: true,\n\t    focusable: true,\n\t    selectable: true\n\t  };\n\t\n\t  // scroller\n\t  var th; // virtual height\n\t  var h; // real scrollable height\n\t  var ph; // page height\n\t  var n; // number of pages\n\t  var cj; // \"jumpiness\" coefficient\n\t\n\t  var page = 0; // current page\n\t  var offset = 0; // current page offset\n\t  var vScrollDir = 1;\n\t\n\t  // private\n\t  var initialized = false;\n\t  var $container;\n\t  var uid = \"slickgrid_\" + Math.round(1000000 * Math.random());\n\t  var self = this;\n\t  var $focusSink, $focusSink2;\n\t  var $groupHeaders = (0, _jquery2.default)();\n\t  var $headerScroller;\n\t  var $headers;\n\t  var $headerRow, $headerRowScroller, $headerRowSpacerL, $headerRowSpacerR;\n\t  var $footerRow, $footerRowScroller, $footerRowSpacerL, $footerRowSpacerR;\n\t  var $topPanelScroller;\n\t  var $topPanel;\n\t  var $viewport;\n\t  var $canvas;\n\t  var $style;\n\t  var $boundAncestors;\n\t  var treeColumns;\n\t  var stylesheet, columnCssRulesL, columnCssRulesR;\n\t  var viewportH, viewportW;\n\t  var canvasWidth, canvasWidthL, canvasWidthR;\n\t  var headersWidth, headersWidthL, headersWidthR;\n\t  var viewportHasHScroll, viewportHasVScroll;\n\t  var headerColumnWidthDiff = 0,\n\t      headerColumnHeightDiff = 0,\n\t      // border+padding\n\t  cellWidthDiff = 0,\n\t      cellHeightDiff = 0;\n\t  var absoluteColumnMinWidth;\n\t  var hasFrozenRows = false;\n\t  var frozenRowsHeight = 0;\n\t  var actualFrozenRow = -1;\n\t  var paneTopH = 0;\n\t  var paneBottomH = 0;\n\t  var viewportTopH = 0;\n\t  var viewportBottomH = 0;\n\t  var topPanelH = 0;\n\t  var headerRowH = 0;\n\t  var footerRowH = 0;\n\t\n\t  var tabbingDirection = 1;\n\t  var $activeCanvasNode;\n\t  var $activeViewportNode;\n\t  var activePosX;\n\t  var activeRow, activeCell;\n\t  var activeCellNode = null;\n\t  var currentEditor = null;\n\t  var serializedEditorValue;\n\t  var editController;\n\t\n\t  var rowsCache = {};\n\t  var renderedRows = 0;\n\t  var numVisibleRows = 0;\n\t  var prevScrollTop = 0;\n\t  var scrollTop = 0;\n\t  var lastRenderedScrollTop = 0;\n\t  var lastRenderedScrollLeft = 0;\n\t  var prevScrollLeft = 0;\n\t  var scrollLeft = 0;\n\t\n\t  var selectionModel;\n\t  var selectedRows = [];\n\t\n\t  var plugins = [];\n\t  var cellCssClasses = {};\n\t\n\t  var columnsById = {};\n\t  var sortColumns = [];\n\t  var columnPosLeft = [];\n\t  var columnPosRight = [];\n\t\n\t  // async call handles\n\t  var h_editorLoader = null;\n\t  var h_render = null;\n\t  var h_postrender = null;\n\t  var postProcessedRows = {};\n\t  var postProcessToRow = null;\n\t  var postProcessFromRow = null;\n\t\n\t  // perf counters\n\t  var counter_rows_rendered = 0;\n\t  var counter_rows_removed = 0;\n\t\n\t  // These two variables work around a bug with inertial scrolling in Webkit/Blink on Mac.\n\t  // See http://crbug.com/312427.\n\t  var rowNodeFromLastMouseWheelEvent; // this node must not be deleted while inertial scrolling\n\t  var zombieRowNodeFromLastMouseWheelEvent; // node that was hidden instead of getting deleted\n\t\n\t  var $paneHeaderL;\n\t  var $paneHeaderR;\n\t  var $paneTopL;\n\t  var $paneTopR;\n\t  var $paneBottomL;\n\t  var $paneBottomR;\n\t\n\t  var $headerScrollerL;\n\t  var $headerScrollerR;\n\t\n\t  var $headerL;\n\t  var $headerR;\n\t\n\t  var $groupHeadersL;\n\t  var $groupHeadersR;\n\t\n\t  var $headerRowScrollerL;\n\t  var $headerRowScrollerR;\n\t\n\t  var $footerRowScrollerL;\n\t  var $footerRowScrollerR;\n\t\n\t  var $headerRowL;\n\t  var $headerRowR;\n\t\n\t  var $footerRowL;\n\t  var $footerRowR;\n\t\n\t  var $topPanelScrollerL;\n\t  var $topPanelScrollerR;\n\t\n\t  var $topPanelL;\n\t  var $topPanelR;\n\t\n\t  var $viewportTopL;\n\t  var $viewportTopR;\n\t  var $viewportBottomL;\n\t  var $viewportBottomR;\n\t\n\t  var $canvasTopL;\n\t  var $canvasTopR;\n\t  var $canvasBottomL;\n\t  var $canvasBottomR;\n\t\n\t  var $viewportScrollContainerX;\n\t  var $viewportScrollContainerY;\n\t  var $headerScrollContainer;\n\t  var $headerRowScrollContainer;\n\t  var $footerRowScrollContainer;\n\t\n\t  //////////////////////////////////////////////////////////////////////////////////////////////\n\t  // Initialization\n\t\n\t  function init() {\n\t    $container = (0, _jquery2.default)(container);\n\t    if ($container.length < 1) {\n\t      throw new Error(\"SlickGrid requires a valid container, \" + container + \" does not exist in the DOM.\");\n\t    }\n\t\n\t    // calculate these only once and share between grid instances\n\t    maxSupportedCssHeight = maxSupportedCssHeight || getMaxSupportedCssHeight();\n\t    scrollbarDimensions = scrollbarDimensions || measureScrollbar();\n\t\n\t    options = _jquery2.default.extend({}, defaults, options);\n\t    validateAndEnforceOptions();\n\t    columnDefaults.width = options.defaultColumnWidth;\n\t\n\t    treeColumns = new _slick2.default.TreeColumns(columns);\n\t    columns = treeColumns.extractColumns();\n\t\n\t    columnsById = {};\n\t    for (var i = 0; i < columns.length; i++) {\n\t      var m = columns[i] = _jquery2.default.extend({}, columnDefaults, columns[i]);\n\t      columnsById[m.id] = i;\n\t      if (m.minWidth && m.width < m.minWidth) {\n\t        m.width = m.minWidth;\n\t      }\n\t      if (m.maxWidth && m.width > m.maxWidth) {\n\t        m.width = m.maxWidth;\n\t      }\n\t    }\n\t\n\t    editController = {\n\t      \"commitCurrentEdit\": commitCurrentEdit,\n\t      \"cancelCurrentEdit\": cancelCurrentEdit\n\t    };\n\t\n\t    $container.empty().css(\"overflow\", \"hidden\").css(\"outline\", 0).addClass(uid).addClass(\"ui-widget\");\n\t\n\t    // set up a positioning container if needed\n\t    if (!/relative|absolute|fixed/.test($container.css(\"position\"))) {\n\t      $container.css(\"position\", \"relative\");\n\t    }\n\t\n\t    $focusSink = (0, _jquery2.default)(\"<div tabIndex='0' hideFocus style='position:fixed;width:0;height:0;top:0;left:0;outline:0;'></div>\").appendTo($container);\n\t\n\t    // Containers used for scrolling frozen columns and rows\n\t    $paneHeaderL = (0, _jquery2.default)(\"<div class='slick-pane slick-pane-header slick-pane-left' tabIndex='0' />\").appendTo($container);\n\t    $paneHeaderR = (0, _jquery2.default)(\"<div class='slick-pane slick-pane-header slick-pane-right' tabIndex='0' />\").appendTo($container);\n\t    $paneTopL = (0, _jquery2.default)(\"<div class='slick-pane slick-pane-top slick-pane-left' tabIndex='0' />\").appendTo($container);\n\t    $paneTopR = (0, _jquery2.default)(\"<div class='slick-pane slick-pane-top slick-pane-right' tabIndex='0' />\").appendTo($container);\n\t    $paneBottomL = (0, _jquery2.default)(\"<div class='slick-pane slick-pane-bottom slick-pane-left' tabIndex='0' />\").appendTo($container);\n\t    $paneBottomR = (0, _jquery2.default)(\"<div class='slick-pane slick-pane-bottom slick-pane-right' tabIndex='0' />\").appendTo($container);\n\t\n\t    // Append the header scroller containers\n\t    $headerScrollerL = (0, _jquery2.default)(\"<div class='ui-state-default slick-header slick-header-left' />\").appendTo($paneHeaderL);\n\t    $headerScrollerR = (0, _jquery2.default)(\"<div class='ui-state-default slick-header slick-header-right' />\").appendTo($paneHeaderR);\n\t\n\t    // Cache the header scroller containers\n\t    $headerScroller = (0, _jquery2.default)().add($headerScrollerL).add($headerScrollerR);\n\t\n\t    if (treeColumns.hasDepth()) {\n\t      $groupHeadersL = [], $groupHeadersR = [];\n\t      for (var index = 0; index < treeColumns.getDepth() - 1; index++) {\n\t        $groupHeadersL[index] = (0, _jquery2.default)(\"<div class='slick-group-header-columns slick-group-header-columns-left' style='left:-1000px' />\").appendTo($headerScrollerL);\n\t        $groupHeadersR[index] = (0, _jquery2.default)(\"<div class='slick-group-header-columns slick-group-header-columns-right' style='left:-1000px' />\").appendTo($headerScrollerR);\n\t      }\n\t\n\t      $groupHeaders = (0, _jquery2.default)().add($groupHeadersL).add($groupHeadersR);\n\t    }\n\t\n\t    // Append the columnn containers to the headers\n\t    $headerL = (0, _jquery2.default)(\"<div class='slick-header-columns slick-header-columns-left' style='left:-1000px' />\").appendTo($headerScrollerL);\n\t    $headerR = (0, _jquery2.default)(\"<div class='slick-header-columns slick-header-columns-right' style='left:-1000px' />\").appendTo($headerScrollerR);\n\t\n\t    // Cache the header columns\n\t    $headers = (0, _jquery2.default)().add($headerL).add($headerR);\n\t\n\t    $headerRowScrollerL = (0, _jquery2.default)(\"<div class='ui-state-default slick-headerrow' />\").appendTo($paneTopL);\n\t    $headerRowScrollerR = (0, _jquery2.default)(\"<div class='ui-state-default slick-headerrow' />\").appendTo($paneTopR);\n\t\n\t    $headerRowScroller = (0, _jquery2.default)().add($headerRowScrollerL).add($headerRowScrollerR);\n\t\n\t    $headerRowSpacerL = (0, _jquery2.default)(\"<div style='display:block;height:1px;position:absolute;top:0;left:0;'></div>\").css(\"width\", getCanvasWidth() + scrollbarDimensions.width + \"px\").appendTo($headerRowScrollerL);\n\t    $headerRowSpacerR = (0, _jquery2.default)(\"<div style='display:block;height:1px;position:absolute;top:0;left:0;'></div>\").css(\"width\", getCanvasWidth() + scrollbarDimensions.width + \"px\").appendTo($headerRowScrollerR);\n\t\n\t    $headerRowL = (0, _jquery2.default)(\"<div class='slick-headerrow-columns slick-headerrow-columns-left' />\").appendTo($headerRowScrollerL);\n\t    $headerRowR = (0, _jquery2.default)(\"<div class='slick-headerrow-columns slick-headerrow-columns-right' />\").appendTo($headerRowScrollerR);\n\t\n\t    $headerRow = (0, _jquery2.default)().add($headerRowL).add($headerRowR);\n\t\n\t    // Append the top panel scroller\n\t    $topPanelScrollerL = (0, _jquery2.default)(\"<div class='ui-state-default slick-top-panel-scroller' />\").appendTo($paneTopL);\n\t    $topPanelScrollerR = (0, _jquery2.default)(\"<div class='ui-state-default slick-top-panel-scroller' />\").appendTo($paneTopR);\n\t\n\t    $topPanelScroller = (0, _jquery2.default)().add($topPanelScrollerL).add($topPanelScrollerR);\n\t\n\t    // Append the top panel\n\t    $topPanelL = (0, _jquery2.default)(\"<div class='slick-top-panel' style='width:10000px' />\").appendTo($topPanelScrollerL);\n\t    $topPanelR = (0, _jquery2.default)(\"<div class='slick-top-panel' style='width:10000px' />\").appendTo($topPanelScrollerR);\n\t\n\t    $topPanel = (0, _jquery2.default)().add($topPanelL).add($topPanelR);\n\t\n\t    if (!options.showTopPanel) {\n\t      $topPanelScroller.hide();\n\t    }\n\t\n\t    if (!options.showHeaderRow) {\n\t      $headerRowScroller.hide();\n\t    }\n\t\n\t    // Append the viewport containers\n\t    $viewportTopL = (0, _jquery2.default)(\"<div class='slick-viewport slick-viewport-top slick-viewport-left' tabIndex='0' hideFocus />\").appendTo($paneTopL);\n\t    $viewportTopR = (0, _jquery2.default)(\"<div class='slick-viewport slick-viewport-top slick-viewport-right' tabIndex='0' hideFocus />\").appendTo($paneTopR);\n\t    $viewportBottomL = (0, _jquery2.default)(\"<div class='slick-viewport slick-viewport-bottom slick-viewport-left' tabIndex='0' hideFocus />\").appendTo($paneBottomL);\n\t    $viewportBottomR = (0, _jquery2.default)(\"<div class='slick-viewport slick-viewport-bottom slick-viewport-right' tabIndex='0' hideFocus />\").appendTo($paneBottomR);\n\t\n\t    // Cache the viewports\n\t    $viewport = (0, _jquery2.default)().add($viewportTopL).add($viewportTopR).add($viewportBottomL).add($viewportBottomR);\n\t\n\t    // Default the active viewport to the top left\n\t    $activeViewportNode = $viewportTopL;\n\t\n\t    // Append the canvas containers\n\t    $canvasTopL = (0, _jquery2.default)(\"<div class='grid-canvas grid-canvas-top grid-canvas-left' tabIndex='0' hideFocus />\").appendTo($viewportTopL);\n\t    $canvasTopR = (0, _jquery2.default)(\"<div class='grid-canvas grid-canvas-top grid-canvas-right' tabIndex='0' hideFocus />\").appendTo($viewportTopR);\n\t    $canvasBottomL = (0, _jquery2.default)(\"<div class='grid-canvas grid-canvas-bottom grid-canvas-left' tabIndex='0' hideFocus />\").appendTo($viewportBottomL);\n\t    $canvasBottomR = (0, _jquery2.default)(\"<div class='grid-canvas grid-canvas-bottom grid-canvas-right' tabIndex='0' hideFocus />\").appendTo($viewportBottomR);\n\t\n\t    // Cache the canvases\n\t    $canvas = (0, _jquery2.default)().add($canvasTopL).add($canvasTopR).add($canvasBottomL).add($canvasBottomR);\n\t\n\t    // Default the active canvas to the top left\n\t    $activeCanvasNode = $canvasTopL;\n\t\n\t    // footer Row\n\t    $footerRowScrollerR = (0, _jquery2.default)(\"<div class='ui-state-default slick-footerrow' />\").appendTo($paneTopR);\n\t    $footerRowScrollerL = (0, _jquery2.default)(\"<div class='ui-state-default slick-footerrow' />\").appendTo($paneTopL);\n\t\n\t    $footerRowScroller = (0, _jquery2.default)().add($footerRowScrollerL).add($footerRowScrollerR);\n\t\n\t    $footerRowSpacerL = (0, _jquery2.default)(\"<div style='display:block;height:1px;position:absolute;top:0;left:0;'></div>\").css(\"width\", getCanvasWidth() + scrollbarDimensions.width + \"px\").appendTo($footerRowScrollerL);\n\t    $footerRowSpacerR = (0, _jquery2.default)(\"<div style='display:block;height:1px;position:absolute;top:0;left:0;'></div>\").css(\"width\", getCanvasWidth() + scrollbarDimensions.width + \"px\").appendTo($footerRowScrollerR);\n\t\n\t    $footerRowL = (0, _jquery2.default)(\"<div class='slick-footerrow-columns slick-footerrow-columns-left' />\").appendTo($footerRowScrollerL);\n\t    $footerRowR = (0, _jquery2.default)(\"<div class='slick-footerrow-columns slick-footerrow-columns-right' />\").appendTo($footerRowScrollerR);\n\t\n\t    $footerRow = (0, _jquery2.default)().add($footerRowL).add($footerRowR);\n\t\n\t    if (!options.showFooterRow) {\n\t      $footerRowScroller.hide();\n\t    }\n\t\n\t    $focusSink2 = $focusSink.clone().appendTo($container);\n\t\n\t    if (!options.explicitInitialization) {\n\t      finishInitialization();\n\t    }\n\t  }\n\t\n\t  function finishInitialization() {\n\t    if (!initialized) {\n\t      initialized = true;\n\t\n\t      getViewportWidth();\n\t      getViewportHeight();\n\t\n\t      // header columns and cells may have different padding/border skewing width calculations (box-sizing, hello?)\n\t      // calculate the diff so we can set consistent sizes\n\t      measureCellPaddingAndBorder();\n\t\n\t      // for usability reasons, all text selection in SlickGrid is disabled\n\t      // with the exception of input and textarea elements (selection must\n\t      // be enabled there so that editors work as expected); note that\n\t      // selection in grid cells (grid body) is already unavailable in\n\t      // all browsers except IE\n\t      disableSelection($headers); // disable all text selection in header (including input and textarea)\n\t\n\t      if (!options.enableTextSelectionOnCells) {\n\t        // disable text selection in grid cells except in input and textarea elements\n\t        // (this is IE-specific, because selectstart event will only fire in IE)\n\t        $viewport.bind(\"selectstart.ui\", function (event) {\n\t          return (0, _jquery2.default)(event.target).is(\"input,textarea\");\n\t        });\n\t      }\n\t\n\t      setFrozenOptions();\n\t      setPaneVisibility();\n\t      setScroller();\n\t      setOverflow();\n\t\n\t      updateColumnCaches();\n\t      createColumnHeaders();\n\t      createColumnGroupHeaders();\n\t      createColumnFooter();\n\t      setupColumnSort();\n\t      createCssRules();\n\t      resizeCanvas();\n\t      bindAncestorScrollEvents();\n\t\n\t      $container.bind(\"resize.slickgrid\", resizeCanvas);\n\t      $viewport.on(\"scroll\", handleScroll);\n\t\n\t      if (_jquery2.default.fn.mousewheel && (options.frozenColumn > -1 || hasFrozenRows)) {\n\t        $viewport.on(\"mousewheel\", handleMouseWheel);\n\t      }\n\t\n\t      $headerScroller.bind(\"contextmenu\", handleHeaderContextMenu).bind(\"click\", handleHeaderClick).delegate(\".slick-header-column\", \"mouseenter\", handleHeaderMouseEnter).delegate(\".slick-header-column\", \"mouseleave\", handleHeaderMouseLeave);\n\t      $headerRowScroller.bind(\"scroll\", handleHeaderRowScroll);\n\t\n\t      $footerRowScroller.bind(\"scroll\", handleFooterRowScroll);\n\t\n\t      $focusSink.add($focusSink2).bind(\"keydown\", handleKeyDown);\n\t      $canvas.bind(\"keydown\", handleKeyDown).bind(\"click\", handleClick).bind(\"dblclick\", handleDblClick).bind(\"contextmenu\", handleContextMenu).delegate(\".slick-cell\", \"mouseenter\", handleMouseEnter).delegate(\".slick-cell\", \"mouseleave\", handleMouseLeave);\n\t\n\t      // legacy support for drag events\n\t      (0, _interact2.default)($canvas[0]).allowFrom('div.slick-cell').draggable({\n\t        onmove: handleDrag,\n\t        onstart: handleDragStart,\n\t        onend: handleDragEnd\n\t      }).styleCursor(false);\n\t\n\t      // Work around http://crbug.com/312427.\n\t      if (navigator.userAgent.toLowerCase().match(/webkit/) && navigator.userAgent.toLowerCase().match(/macintosh/)) {\n\t        $canvas.on(\"mousewheel\", handleMouseWheel);\n\t      }\n\t    }\n\t  }\n\t\n\t  function hasFrozenColumns() {\n\t    return options.frozenColumn > -1;\n\t  }\n\t\n\t  function registerPlugin(plugin) {\n\t    plugins.unshift(plugin);\n\t    plugin.init(self);\n\t  }\n\t\n\t  function unregisterPlugin(plugin) {\n\t    for (var i = plugins.length; i >= 0; i--) {\n\t      if (plugins[i] === plugin) {\n\t        if (plugins[i].destroy) {\n\t          plugins[i].destroy();\n\t        }\n\t        plugins.splice(i, 1);\n\t        break;\n\t      }\n\t    }\n\t  }\n\t\n\t  function setSelectionModel(model) {\n\t    if (selectionModel) {\n\t      selectionModel.onSelectedRangesChanged.unsubscribe(handleSelectedRangesChanged);\n\t      if (selectionModel.destroy) {\n\t        selectionModel.destroy();\n\t      }\n\t    }\n\t\n\t    selectionModel = model;\n\t    if (selectionModel) {\n\t      selectionModel.init(self);\n\t      selectionModel.onSelectedRangesChanged.subscribe(handleSelectedRangesChanged);\n\t    }\n\t  }\n\t\n\t  function getSelectionModel() {\n\t    return selectionModel;\n\t  }\n\t\n\t  function getCanvasNode() {\n\t    return $canvas[0];\n\t  }\n\t\n\t  function getActiveCanvasNode(element) {\n\t    setActiveCanvasNode(element);\n\t\n\t    return $activeCanvasNode[0];\n\t  }\n\t\n\t  function getCanvases() {\n\t    return $canvas;\n\t  }\n\t\n\t  function setActiveCanvasNode(element) {\n\t    if (element) {\n\t      $activeCanvasNode = (0, _jquery2.default)(element.target).closest('.grid-canvas');\n\t    }\n\t  }\n\t\n\t  function getViewportNode() {\n\t    return $viewport[0];\n\t  }\n\t\n\t  function getActiveViewportNode(element) {\n\t    setActiveViewPortNode(element);\n\t\n\t    return $activeViewportNode[0];\n\t  }\n\t\n\t  function setActiveViewportNode(element) {\n\t    if (element) {\n\t      $activeViewportNode = (0, _jquery2.default)(element.target).closest('.slick-viewport');\n\t    }\n\t  }\n\t\n\t  function measureScrollbar() {\n\t    var $c = (0, _jquery2.default)(\"<div class='scrollbar-fix' style='position:absolute; top:-10000px; left:-10000px; width:100px; height:100px; overflow:scroll;'></div>\").appendTo(document.body);\n\t    var dim = {\n\t      width: $c.width() - $c[0].clientWidth,\n\t      height: $c.height() - $c[0].clientHeight\n\t    };\n\t    $c.remove();\n\t    return dim;\n\t  }\n\t\n\t  function getHeadersWidth() {\n\t    headersWidth = headersWidthL = headersWidthR = 0;\n\t\n\t    for (var i = 0, ii = columns.length; i < ii; i++) {\n\t      var width = columns[i].width;\n\t\n\t      if (options.frozenColumn > -1 && i > options.frozenColumn) {\n\t        headersWidthR += width;\n\t      } else {\n\t        headersWidthL += width;\n\t      }\n\t    }\n\t\n\t    if (hasFrozenColumns()) {\n\t      headersWidthL = headersWidthL + 1000;\n\t\n\t      headersWidthR = Math.max(headersWidthR, viewportW) + headersWidthL;\n\t      headersWidthR += scrollbarDimensions.width;\n\t    } else {\n\t      headersWidthL += scrollbarDimensions.width;\n\t      headersWidthL = Math.max(headersWidthL, viewportW) + 1000;\n\t    }\n\t\n\t    headersWidth = headersWidthL + headersWidthR;\n\t  }\n\t\n\t  function getHeadersWidthL() {\n\t    headersWidthL = 0;\n\t\n\t    columns.forEach(function (column, i) {\n\t      if (!(options.frozenColumn > -1 && i > options.frozenColumn)) headersWidthL += column.width;\n\t    });\n\t\n\t    if (hasFrozenColumns()) {\n\t      headersWidthL += 1000;\n\t    } else {\n\t      headersWidthL += scrollbarDimensions.width;\n\t      headersWidthL = Math.max(headersWidthL, viewportW) + 1000;\n\t    }\n\t\n\t    return headersWidthL;\n\t  }\n\t\n\t  function getHeadersWidthR() {\n\t    headersWidthR = 0;\n\t\n\t    columns.forEach(function (column, i) {\n\t      if (options.frozenColumn > -1 && i > options.frozenColumn) headersWidthR += column.width;\n\t    });\n\t\n\t    if (hasFrozenColumns()) {\n\t      headersWidthR = Math.max(headersWidthR, viewportW) + getHeadersWidthL();\n\t      headersWidthR += scrollbarDimensions.width;\n\t    }\n\t\n\t    return headersWidthR;\n\t  }\n\t\n\t  function getCanvasWidth() {\n\t    var availableWidth = viewportHasVScroll ? viewportW - scrollbarDimensions.width : viewportW;\n\t\n\t    var i = columns.length;\n\t\n\t    canvasWidthL = canvasWidthR = 0;\n\t\n\t    while (i--) {\n\t      if (hasFrozenColumns() && i > options.frozenColumn) {\n\t        canvasWidthR += columns[i].width;\n\t      } else {\n\t        canvasWidthL += columns[i].width;\n\t      }\n\t    }\n\t\n\t    var totalRowWidth = canvasWidthL + canvasWidthR;\n\t\n\t    return options.fullWidthRows ? Math.max(totalRowWidth, availableWidth) : totalRowWidth;\n\t  }\n\t\n\t  function updateCanvasWidth(forceColumnWidthsUpdate) {\n\t    var oldCanvasWidth = canvasWidth;\n\t    var oldCanvasWidthL = canvasWidthL;\n\t    var oldCanvasWidthR = canvasWidthR;\n\t    var widthChanged;\n\t    canvasWidth = getCanvasWidth();\n\t\n\t    widthChanged = canvasWidth !== oldCanvasWidth || canvasWidthL !== oldCanvasWidthL || canvasWidthR !== oldCanvasWidthR;\n\t\n\t    if (widthChanged || hasFrozenColumns() || hasFrozenRows) {\n\t      $canvasTopL.width(canvasWidthL);\n\t\n\t      getHeadersWidth();\n\t\n\t      $headerL.width(headersWidthL);\n\t      $headerR.width(headersWidthR);\n\t\n\t      if (hasFrozenColumns()) {\n\t        $canvasTopR.width(canvasWidthR);\n\t\n\t        $paneHeaderL.width(canvasWidthL);\n\t        $paneHeaderR.css('left', canvasWidthL);\n\t        $paneHeaderR.css('width', viewportW - canvasWidthL);\n\t\n\t        $paneTopL.width(canvasWidthL);\n\t        $paneTopR.css('left', canvasWidthL);\n\t        $paneTopR.css('width', viewportW - canvasWidthL);\n\t\n\t        $headerRowScrollerL.width(canvasWidthL);\n\t        $headerRowScrollerR.width(viewportW - canvasWidthL);\n\t\n\t        $headerRowL.width(canvasWidthL);\n\t        $headerRowR.width(canvasWidthR);\n\t\n\t        $footerRowScrollerL.width(canvasWidthL);\n\t        $footerRowScrollerR.width(viewportW - canvasWidthL);\n\t\n\t        $footerRowL.width(canvasWidthL);\n\t        $footerRowR.width(canvasWidthR);\n\t\n\t        $viewportTopL.width(canvasWidthL);\n\t        $viewportTopR.width(viewportW - canvasWidthL);\n\t\n\t        if (hasFrozenRows) {\n\t          $paneBottomL.width(canvasWidthL);\n\t          $paneBottomR.css('left', canvasWidthL);\n\t\n\t          $viewportBottomL.width(canvasWidthL);\n\t          $viewportBottomR.width(viewportW - canvasWidthL);\n\t\n\t          $canvasBottomL.width(canvasWidthL);\n\t          $canvasBottomR.width(canvasWidthR);\n\t        }\n\t      } else {\n\t        $paneHeaderL.width('100%');\n\t\n\t        $paneTopL.width('100%');\n\t\n\t        $headerRowScrollerL.width('100%');\n\t\n\t        $headerRowL.width(canvasWidth);\n\t\n\t        $footerRowScrollerL.width('100%');\n\t\n\t        $footerRowL.width(canvasWidth);\n\t\n\t        $viewportTopL.width('100%');\n\t\n\t        if (hasFrozenRows) {\n\t          $viewportBottomL.width('100%');\n\t          $canvasBottomL.width(canvasWidthL);\n\t        }\n\t      }\n\t\n\t      viewportHasHScroll = canvasWidth > viewportW - scrollbarDimensions.width;\n\t    }\n\t\n\t    $headerRowSpacerL.width(canvasWidth + (viewportHasVScroll ? scrollbarDimensions.width : 0));\n\t    $headerRowSpacerR.width(canvasWidth + (viewportHasVScroll ? scrollbarDimensions.width : 0));\n\t\n\t    $footerRowSpacerL.width(canvasWidth + (viewportHasVScroll ? scrollbarDimensions.width : 0));\n\t    $footerRowSpacerR.width(canvasWidth + (viewportHasVScroll ? scrollbarDimensions.width : 0));\n\t\n\t    if (widthChanged || forceColumnWidthsUpdate) {\n\t      applyColumnWidths();\n\t    }\n\t  }\n\t\n\t  function disableSelection($target) {\n\t    if ($target && $target.jquery) {\n\t      $target.attr(\"unselectable\", \"on\").css(\"MozUserSelect\", \"none\").bind(\"selectstart.ui\", function () {\n\t        return false;\n\t      }); // from jquery:ui.core.js 1.7.2\n\t    }\n\t  }\n\t\n\t  function getMaxSupportedCssHeight() {\n\t    var supportedHeight = 1000000;\n\t    // FF reports the height back but still renders blank after ~6M px\n\t    var testUpTo = navigator.userAgent.toLowerCase().match(/firefox/) ? 6000000 : 1000000000;\n\t    var div = (0, _jquery2.default)(\"<div style='display:none' />\").appendTo(document.body);\n\t\n\t    while (true) {\n\t      var test = supportedHeight * 2;\n\t      div.css(\"height\", test);\n\t      if (test > testUpTo || div.height() !== test) {\n\t        break;\n\t      } else {\n\t        supportedHeight = test;\n\t      }\n\t    }\n\t\n\t    div.remove();\n\t    return supportedHeight;\n\t  }\n\t\n\t  // TODO:  this is static.  need to handle page mutation.\n\t  function bindAncestorScrollEvents() {\n\t    var elem = hasFrozenRows && !options.frozenBottom ? $canvasBottomL[0] : $canvasTopL[0];\n\t    while ((elem = elem.parentNode) != document.body && elem != null) {\n\t      // bind to scroll containers only\n\t      if (elem == $viewportTopL[0] || elem.scrollWidth != elem.clientWidth || elem.scrollHeight != elem.clientHeight) {\n\t        var $elem = (0, _jquery2.default)(elem);\n\t        if (!$boundAncestors) {\n\t          $boundAncestors = $elem;\n\t        } else {\n\t          $boundAncestors = $boundAncestors.add($elem);\n\t        }\n\t        $elem.bind(\"scroll.\" + uid, handleActiveCellPositionChange);\n\t      }\n\t    }\n\t  }\n\t\n\t  function unbindAncestorScrollEvents() {\n\t    if (!$boundAncestors) {\n\t      return;\n\t    }\n\t    $boundAncestors.unbind(\"scroll.\" + uid);\n\t    $boundAncestors = null;\n\t  }\n\t\n\t  function updateColumnHeader(columnId, title, toolTip) {\n\t    if (!initialized) {\n\t      return;\n\t    }\n\t    var idx = getColumnIndex(columnId);\n\t    if (idx == null) {\n\t      return;\n\t    }\n\t\n\t    var columnDef = columns[idx];\n\t    var $header = $headers.children().eq(idx);\n\t    if ($header) {\n\t      if (title !== undefined) {\n\t        columns[idx].name = title;\n\t      }\n\t      if (toolTip !== undefined) {\n\t        columns[idx].toolTip = toolTip;\n\t      }\n\t\n\t      trigger(self.onBeforeHeaderCellDestroy, {\n\t        \"node\": $header[0],\n\t        \"column\": columnDef\n\t      });\n\t\n\t      $header.attr(\"title\", toolTip || \"\").children().eq(0).html(title);\n\t\n\t      trigger(self.onHeaderCellRendered, {\n\t        \"node\": $header[0],\n\t        \"column\": columnDef\n\t      });\n\t    }\n\t  }\n\t\n\t  function getHeaderRow() {\n\t    return hasFrozenColumns() ? $headerRow : $headerRow[0];\n\t  }\n\t\n\t  function getHeaderRowColumn(columnId) {\n\t    var idx = getColumnIndex(columnId);\n\t\n\t    var $headerRowTarget;\n\t\n\t    if (hasFrozenColumns()) {\n\t      if (idx <= options.frozenColumn) {\n\t        $headerRowTarget = $headerRowL;\n\t      } else {\n\t        $headerRowTarget = $headerRowR;\n\t\n\t        idx -= options.frozenColumn + 1;\n\t      }\n\t    } else {\n\t      $headerRowTarget = $headerRowL;\n\t    }\n\t\n\t    var $header = $headerRowTarget.children().eq(idx);\n\t    return $header && $header[0];\n\t  }\n\t\n\t  function getFooterRow() {\n\t    return hasFrozenColumns() ? $footerRow : $footerRow[0];\n\t  }\n\t\n\t  function getFooterRowColumn(columnId) {\n\t    var idx = getColumnIndex(columnId);\n\t\n\t    var $footerRowTarget;\n\t\n\t    if (hasFrozenColumns()) {\n\t      if (idx <= options.frozenColumn) {\n\t        $footerRowTarget = $footerRowL;\n\t      } else {\n\t        $footerRowTarget = $footerRowR;\n\t\n\t        idx -= options.frozenColumn + 1;\n\t      }\n\t    } else {\n\t      $footerRowTarget = $footerRowL;\n\t    }\n\t\n\t    var $footer = $footerRowTarget.children().eq(idx);\n\t    return $footer && $footer[0];\n\t  }\n\t\n\t  function createColumnFooter() {\n\t    $footerRow.find(\".slick-footerrow-column\").each(function () {\n\t      var columnDef = (0, _jquery2.default)(this).data(\"column\");\n\t      if (columnDef) {\n\t        trigger(self.onBeforeFooterRowCellDestroy, {\n\t          \"node\": this,\n\t          \"column\": columnDef\n\t        });\n\t      }\n\t    });\n\t\n\t    $footerRowL.empty();\n\t    $footerRowR.empty();\n\t\n\t    for (var i = 0; i < columns.length; i++) {\n\t      var m = columns[i];\n\t\n\t      var footerRowCell = (0, _jquery2.default)(\"<div class='ui-state-default slick-footerrow-column l\" + i + \" r\" + i + \"'></div>\").data(\"column\", m).addClass(hasFrozenColumns() && i <= options.frozenColumn ? 'frozen' : '').appendTo(hasFrozenColumns() && i > options.frozenColumn ? $footerRowR : $footerRowL);\n\t\n\t      trigger(self.onFooterRowCellRendered, {\n\t        \"node\": footerRowCell[0],\n\t        \"column\": m\n\t      });\n\t    }\n\t  }\n\t\n\t  function createColumnGroupHeaders() {\n\t    var columnsLength = 0;\n\t    var frozenColumnsValid = false;\n\t\n\t    if (!treeColumns.hasDepth()) return;\n\t\n\t    for (var index = 0; index < $groupHeadersL.length; index++) {\n\t\n\t      $groupHeadersL[index].empty();\n\t      $groupHeadersR[index].empty();\n\t\n\t      var groupColumns = treeColumns.getColumnsInDepth(index);\n\t\n\t      for (var indexGroup in groupColumns) {\n\t        var m = groupColumns[indexGroup];\n\t\n\t        columnsLength += m.extractColumns().length;\n\t\n\t        if (hasFrozenColumns() && index == 0 && columnsLength - 1 === options.frozenColumn) frozenColumnsValid = true;\n\t\n\t        (0, _jquery2.default)(\"<div class='ui-state-default slick-group-header-column' />\").html(\"<span class='slick-column-name'>\" + m.name + \"</span>\").attr(\"id\", \"\" + uid + m.id).attr(\"title\", m.toolTip || \"\").data(\"column\", m).addClass(m.headerCssClass || \"\").addClass(hasFrozenColumns() && columnsLength - 1 <= options.frozenColumn ? 'frozen' : '').appendTo(hasFrozenColumns() && columnsLength - 1 > options.frozenColumn ? $groupHeadersR[index] : $groupHeadersL[index]);\n\t      }\n\t\n\t      if (hasFrozenColumns() && index == 0 && !frozenColumnsValid) {\n\t        $groupHeadersL[index].empty();\n\t        $groupHeadersR[index].empty();\n\t        alert(\"All columns of group should to be grouped!\");\n\t        break;\n\t      }\n\t    }\n\t\n\t    applyColumnGroupHeaderWidths();\n\t  }\n\t\n\t  function createColumnHeaders() {\n\t    function onMouseEnter() {\n\t      (0, _jquery2.default)(this).addClass(\"ui-state-hover\");\n\t    }\n\t\n\t    function onMouseLeave() {\n\t      (0, _jquery2.default)(this).removeClass(\"ui-state-hover\");\n\t    }\n\t\n\t    $headers.find(\".slick-header-column\").each(function () {\n\t      var columnDef = (0, _jquery2.default)(this).data(\"column\");\n\t      if (columnDef) {\n\t        trigger(self.onBeforeHeaderCellDestroy, {\n\t          \"node\": this,\n\t          \"column\": columnDef\n\t        });\n\t      }\n\t    });\n\t\n\t    $headerL.empty();\n\t    $headerR.empty();\n\t\n\t    getHeadersWidth();\n\t\n\t    $headerL.width(headersWidthL);\n\t    $headerR.width(headersWidthR);\n\t\n\t    $headerRow.find(\".slick-headerrow-column\").each(function () {\n\t      var columnDef = (0, _jquery2.default)(this).data(\"column\");\n\t      if (columnDef) {\n\t        trigger(self.onBeforeHeaderRowCellDestroy, {\n\t          \"node\": this,\n\t          \"column\": columnDef\n\t        });\n\t      }\n\t    });\n\t\n\t    $headerRowL.empty();\n\t    $headerRowR.empty();\n\t\n\t    for (var i = 0; i < columns.length; i++) {\n\t      var m = columns[i];\n\t\n\t      var $headerTarget = hasFrozenColumns() ? i <= options.frozenColumn ? $headerL : $headerR : $headerL;\n\t      var $headerRowTarget = hasFrozenColumns() ? i <= options.frozenColumn ? $headerRowL : $headerRowR : $headerRowL;\n\t\n\t      var header = (0, _jquery2.default)(\"<div class='ui-state-default slick-header-column' />\").html(\"<span class='slick-column-name'>\" + m.name + \"</span>\").width(m.width - headerColumnWidthDiff).attr(\"id\", \"\" + uid + m.id).attr(\"title\", m.toolTip || \"\").data(\"column\", m).addClass(m.headerCssClass || \"\").addClass(hasFrozenColumns() && i <= options.frozenColumn ? 'frozen' : '').appendTo($headerTarget);\n\t\n\t      if (options.enableColumnReorder || m.sortable) {\n\t        header.on('mouseenter', onMouseEnter).on('mouseleave', onMouseLeave);\n\t      }\n\t\n\t      if (m.sortable) {\n\t        header.addClass(\"slick-header-sortable\");\n\t        header.append(\"<span class='slick-sort-indicator' />\");\n\t      }\n\t\n\t      trigger(self.onHeaderCellRendered, {\n\t        \"node\": header[0],\n\t        \"column\": m\n\t      });\n\t\n\t      if (options.showHeaderRow) {\n\t        var headerRowCell = (0, _jquery2.default)(\"<div class='ui-state-default slick-headerrow-column l\" + i + \" r\" + i + \"'></div>\").data(\"column\", m).appendTo($headerRowTarget);\n\t\n\t        trigger(self.onHeaderRowCellRendered, {\n\t          \"node\": headerRowCell[0],\n\t          \"column\": m\n\t        });\n\t      }\n\t    }\n\t\n\t    setSortColumns(sortColumns);\n\t    setupColumnResize();\n\t    if (options.enableColumnReorder) {\n\t      setupColumnReorder();\n\t    }\n\t  }\n\t\n\t  function setupColumnSort() {\n\t    $headers.click(function (e) {\n\t      // temporary workaround for a bug in jQuery 1.7.1 (http://bugs.jquery.com/ticket/11328)\n\t      e.metaKey = e.metaKey || e.ctrlKey;\n\t\n\t      if ((0, _jquery2.default)(e.target).hasClass(\"slick-resizable-handle\")) {\n\t        return;\n\t      }\n\t\n\t      var $col = (0, _jquery2.default)(e.target).closest(\".slick-header-column\");\n\t      if (!$col.length) {\n\t        return;\n\t      }\n\t\n\t      var column = $col.data(\"column\");\n\t      if (column.sortable) {\n\t        if (!getEditorLock().commitCurrentEdit()) {\n\t          return;\n\t        }\n\t\n\t        var sortOpts = null;\n\t        var i = 0;\n\t        for (; i < sortColumns.length; i++) {\n\t          if (sortColumns[i].columnId == column.id) {\n\t            sortOpts = sortColumns[i];\n\t            sortOpts.sortAsc = !sortOpts.sortAsc;\n\t            break;\n\t          }\n\t        }\n\t\n\t        if (e.metaKey && options.multiColumnSort) {\n\t          if (sortOpts) {\n\t            sortColumns.splice(i, 1);\n\t          }\n\t        } else {\n\t          if (!e.shiftKey && !e.metaKey || !options.multiColumnSort) {\n\t            sortColumns = [];\n\t          }\n\t\n\t          if (!sortOpts) {\n\t            sortOpts = {\n\t              columnId: column.id,\n\t              sortAsc: column.defaultSortAsc\n\t            };\n\t            sortColumns.push(sortOpts);\n\t          } else if (sortColumns.length == 0) {\n\t            sortColumns.push(sortOpts);\n\t          }\n\t        }\n\t\n\t        setSortColumns(sortColumns);\n\t\n\t        if (!options.multiColumnSort) {\n\t          trigger(self.onSort, {\n\t            multiColumnSort: false,\n\t            sortCol: column,\n\t            sortAsc: sortOpts.sortAsc\n\t          }, e);\n\t        } else {\n\t          trigger(self.onSort, {\n\t            multiColumnSort: true,\n\t            sortCols: _jquery2.default.map(sortColumns, function (col) {\n\t              return {\n\t                sortCol: columns[getColumnIndex(col.columnId)],\n\t                sortAsc: col.sortAsc\n\t              };\n\t            })\n\t          }, e);\n\t        }\n\t      }\n\t    });\n\t  }\n\t\n\t  function currentPositionInHeader(id) {\n\t    var currentPosition = 0;\n\t    $headers.find('.slick-header-column').each(function (i) {\n\t      if (this.id == id) {\n\t        currentPosition = i;\n\t        return false;\n\t      }\n\t    });\n\t\n\t    return currentPosition;\n\t  }\n\t\n\t  function limitPositionInGroup(idColumn) {\n\t    var groupColumnOfPreviousPosition,\n\t        startLimit = 0,\n\t        endLimit = 0;\n\t\n\t    treeColumns.getColumnsInDepth($groupHeadersL.length - 1).some(function (groupColumn) {\n\t      startLimit = endLimit;\n\t      endLimit += groupColumn.columns.length;\n\t\n\t      groupColumn.columns.some(function (column) {\n\t\n\t        if (column.id === idColumn) groupColumnOfPreviousPosition = groupColumn;\n\t\n\t        return groupColumnOfPreviousPosition;\n\t      });\n\t\n\t      return groupColumnOfPreviousPosition;\n\t    });\n\t\n\t    endLimit--;\n\t\n\t    return {\n\t      start: startLimit,\n\t      end: endLimit,\n\t      group: groupColumnOfPreviousPosition\n\t    };\n\t  }\n\t\n\t  function remove(arr, elem) {\n\t    var index = arr.lastIndexOf(elem);\n\t    if (index > -1) {\n\t      arr.splice(index, 1);\n\t      remove(arr, elem);\n\t    }\n\t  }\n\t\n\t  function columnPositionValidInGroup($item) {\n\t    var currentPosition = currentPositionInHeader($item[0].id);\n\t    var limit = limitPositionInGroup($item.data('column').id);\n\t    var positionValid = limit.start <= currentPosition && currentPosition <= limit.end;\n\t\n\t    return {\n\t      limit: limit,\n\t      valid: positionValid,\n\t      message: positionValid ? '' : 'Column \"'.concat($item.text(), '\" can be reordered only within the \"', limit.group.name, '\" group!')\n\t    };\n\t  }\n\t\n\t  function setupColumnReorder() {\n\t    var x = 0;\n\t    var delta = 0;\n\t    var placeholder = document.createElement('div');\n\t\n\t    placeholder.className = 'interact-placeholder';\n\t\n\t    (0, _interact2.default)('.slick-header-column').ignoreFrom('.slick-resizable-handle').draggable({\n\t      inertia: true,\n\t      // keep the element within the area of it's parent\n\t      restrict: {\n\t        restriction: 'parent',\n\t        endOnly: true,\n\t        elementRect: { top: 0, left: 0, bottom: 0, right: 0 }\n\t      },\n\t      // enable autoScroll\n\t      autoScroll: true,\n\t      axis: 'x',\n\t      onstart: function onstart(event) {\n\t        x = 0;\n\t        delta = event.target.offsetWidth;\n\t\n\t        // get old order\n\t        $headers.find('.slick-header-column').each(function (index) {\n\t          (0, _jquery2.default)(this).data('index', index);\n\t        });\n\t\n\t        placeholder.style.height = event.target.offsetHeight + 'px';\n\t        placeholder.style.width = delta + 'px';\n\t\n\t        (0, _jquery2.default)(event.target).after(placeholder).css({\n\t          position: 'absolute',\n\t          zIndex: 1000,\n\t          marginLeft: (0, _jquery2.default)(event.target).position().left - 1000\n\t        });\n\t      },\n\t\n\t      onmove: function onmove(event) {\n\t        x += event.dx;\n\t        event.target.style.transform = 'translate3d(' + x + 'px, -3px, 100px)';\n\t        // event.target.style.marginLeft = x + 'px';\n\t      },\n\t\n\t      onend: function onend(event) {\n\t        x = 0;\n\t        delta = 0;\n\t\n\t        if (treeColumns.hasDepth()) {\n\t          var validPositionInGroup = columnPositionValidInGroup((0, _jquery2.default)(event.target));\n\t          var limit = validPositionInGroup.limit;\n\t\n\t          var cancel = !validPositionInGroup.valid;\n\t\n\t          if (cancel) alert(validPositionInGroup.message);\n\t        }\n\t\n\t        placeholder.parentNode.removeChild(placeholder);\n\t\n\t        if (cancel) {\n\t          event.target.style.transform = 'none';\n\t          setColumns(getColumns());\n\t          return;\n\t        }\n\t\n\t        (0, _jquery2.default)(event.target).css({\n\t          position: 'relative',\n\t          zIndex: '',\n\t          marginLeft: 0,\n\t          transform: 'none'\n\t        });\n\t\n\t        var newColumns = [];\n\t        $headers.find('.slick-header-column').each(function (index) {\n\t          newColumns.push(columns[(0, _jquery2.default)(this).data('index')]);\n\t          (0, _jquery2.default)(this).removeData('index');\n\t        });\n\t\n\t        setColumns(newColumns);\n\t\n\t        trigger(self.onColumnsReordered, { impactedColumns: getImpactedColumns(limit), grid: self });\n\t        setupColumnResize();\n\t      }\n\t    }).dropzone({\n\t      accept: '.slick-header-column',\n\t\n\t      ondragenter: function ondragenter(event) {\n\t        event.target.classList.add('interact-drop-active');\n\t        event.relatedTarget.classList.add('interact-can-drop');\n\t      },\n\t\n\t      ondragleave: function ondragleave(event) {\n\t        event.target.classList.remove('interact-drop-active');\n\t        event.relatedTarget.classList.remove('interact-can-drop');\n\t      },\n\t\n\t      ondrop: function ondrop(event) {\n\t        event.target.classList.remove('interact-drop-active');\n\t        event.relatedTarget.classList.remove('interact-can-drop');\n\t        (0, _jquery2.default)(event.target)[x > 0 ? 'after' : 'before'](event.relatedTarget);\n\t      }\n\t    }).styleCursor(false);\n\t  }\n\t\n\t  function getImpactedColumns(limit) {\n\t    var impactedColumns = [];\n\t\n\t    if (limit != undefined) {\n\t\n\t      for (var i = limit.start; i <= limit.end; i++) {\n\t        impactedColumns.push(columns[i]);\n\t      }\n\t    } else {\n\t\n\t      impactedColumns = columns;\n\t    }\n\t\n\t    return impactedColumns;\n\t  }\n\t\n\t  function setupColumnResize() {\n\t    var $col, j, c, pageX, columnElements, minPageX, maxPageX, firstResizable, lastResizable;\n\t    columnElements = $headers.children();\n\t    columnElements.find('.slick-resizable-handle').remove();\n\t    columnElements.each(function (i, e) {\n\t      if (columns[i].resizable) {\n\t        if (firstResizable === undefined) {\n\t          firstResizable = i;\n\t        }\n\t        lastResizable = i;\n\t      }\n\t    });\n\t    if (firstResizable === undefined) {\n\t      return;\n\t    }\n\t    columnElements.each(function (i, element) {\n\t      if (i < firstResizable || options.forceFitColumns && i >= lastResizable) {\n\t        return;\n\t      }\n\t      $col = (0, _jquery2.default)(element);\n\t\n\t      var $handle = (0, _jquery2.default)(\"<div class='slick-resizable-handle' />\");\n\t      $handle.appendTo(element);\n\t\n\t      if ($col.data('resizable')) return;\n\t\n\t      var activeColumn = columns[i];\n\t      if (activeColumn.resizable) {\n\t        $col.data('resizable', true);\n\t        (0, _interact2.default)(element).resizable({\n\t          preserveAspectRatio: false,\n\t          edges: { left: true, right: true, bottom: false, top: false }\n\t        }).on('resizestart', function (event) {\n\t          if (!getEditorLock().commitCurrentEdit()) {\n\t            return false;\n\t          }\n\t          activeColumn.previousWidth = event.rect.width;\n\t          event.target.classList.add('slick-header-column-active');\n\t        }).on('resizemove', function (event) {\n\t          var x = event.dx;\n\t          var width = activeColumn.width += x;\n\t\n\t          if (activeColumn.minWidth > 0 && activeColumn.minWidth > width) width = activeColumn.minWidth;else if (activeColumn.maxWidth > 0 && activeColumn.maxWidth < width) width = activeColumn.maxWidth;\n\t\n\t          activeColumn.width = width;\n\t\n\t          if (options.forceFitColumns) {\n\t            autosizeColumns();\n\t          }\n\t          applyColumnHeaderWidths();\n\t          if (options.syncColumnCellResize) {\n\t            applyColumnWidths();\n\t          }\n\t        }).on('resizeend', function (event) {\n\t          event.target.classList.remove('slick-header-column-active');\n\t          if (treeColumns.hasDepth()) createColumnGroupHeaders();\n\t\n\t          invalidateAllRows();\n\t          updateCanvasWidth(true);\n\t          render();\n\t          trigger(self.onColumnsResized, { grid: self });\n\t        });\n\t      }\n\t    });\n\t  }\n\t\n\t  function getVBoxDelta($el) {\n\t    var p = [\"borderTopWidth\", \"borderBottomWidth\", \"paddingTop\", \"paddingBottom\"];\n\t    var delta = 0;\n\t    _jquery2.default.each(p, function (n, val) {\n\t      delta += parseFloat($el.css(val)) || 0;\n\t    });\n\t    return delta;\n\t  }\n\t\n\t  function setFrozenOptions() {\n\t    options.frozenColumn = options.frozenColumn >= 0 && options.frozenColumn < columns.length ? parseInt(options.frozenColumn) : -1;\n\t\n\t    options.frozenRow = options.frozenRow >= 0 && options.frozenRow < numVisibleRows ? parseInt(options.frozenRow) : -1;\n\t\n\t    if (options.frozenRow > -1) {\n\t      hasFrozenRows = true;\n\t      frozenRowsHeight = options.frozenRow * options.rowHeight;\n\t\n\t      var dataLength = getDataLength() || this.data.length;\n\t\n\t      actualFrozenRow = options.frozenBottom ? dataLength - options.frozenRow : options.frozenRow;\n\t    } else {\n\t      hasFrozenRows = false;\n\t    }\n\t  }\n\t\n\t  function setPaneVisibility() {\n\t    if (hasFrozenColumns()) {\n\t      $paneHeaderR.show();\n\t      $paneTopR.show();\n\t\n\t      if (hasFrozenRows) {\n\t        $paneBottomL.show();\n\t        $paneBottomR.show();\n\t      } else {\n\t        $paneBottomR.hide();\n\t        $paneBottomL.hide();\n\t      }\n\t    } else {\n\t      $paneHeaderR.hide();\n\t      $paneTopR.hide();\n\t      $paneBottomR.hide();\n\t\n\t      if (hasFrozenRows) {\n\t        $paneBottomL.show();\n\t      } else {\n\t        $paneBottomR.hide();\n\t        $paneBottomL.hide();\n\t      }\n\t    }\n\t  }\n\t\n\t  function setOverflow() {\n\t    $viewportTopL.css({\n\t      'overflow-x': hasFrozenColumns() ? hasFrozenRows ? 'hidden' : 'scroll' : hasFrozenRows ? 'hidden' : 'auto',\n\t      'overflow-y': hasFrozenColumns() ? hasFrozenRows ? 'hidden' : 'hidden' : hasFrozenRows ? 'scroll' : 'auto'\n\t    });\n\t\n\t    $viewportTopR.css({\n\t      'overflow-x': hasFrozenColumns() ? hasFrozenRows ? 'hidden' : 'scroll' : hasFrozenRows ? 'hidden' : 'auto',\n\t      'overflow-y': hasFrozenColumns() ? hasFrozenRows ? 'scroll' : 'auto' : hasFrozenRows ? 'scroll' : 'auto'\n\t    });\n\t\n\t    $viewportBottomL.css({\n\t      'overflow-x': hasFrozenColumns() ? hasFrozenRows ? 'scroll' : 'auto' : hasFrozenRows ? 'auto' : 'auto',\n\t      'overflow-y': hasFrozenColumns() ? hasFrozenRows ? 'hidden' : 'hidden' : hasFrozenRows ? 'scroll' : 'auto'\n\t    });\n\t\n\t    $viewportBottomR.css({\n\t      'overflow-x': hasFrozenColumns() ? hasFrozenRows ? 'scroll' : 'auto' : hasFrozenRows ? 'auto' : 'auto',\n\t      'overflow-y': hasFrozenColumns() ? hasFrozenRows ? 'auto' : 'auto' : hasFrozenRows ? 'auto' : 'auto'\n\t    });\n\t  }\n\t\n\t  function setScroller() {\n\t    if (hasFrozenColumns()) {\n\t      $headerScrollContainer = $headerScrollerR;\n\t      $headerRowScrollContainer = $headerRowScrollerR;\n\t      $footerRowScrollContainer = $footerRowScrollerR;\n\t\n\t      if (hasFrozenRows) {\n\t        if (options.frozenBottom) {\n\t          $viewportScrollContainerX = $viewportBottomR;\n\t          $viewportScrollContainerY = $viewportTopR;\n\t        } else {\n\t          $viewportScrollContainerX = $viewportScrollContainerY = $viewportBottomR;\n\t        }\n\t      } else {\n\t        $viewportScrollContainerX = $viewportScrollContainerY = $viewportTopR;\n\t      }\n\t    } else {\n\t      $headerScrollContainer = $headerScrollerL;\n\t      $headerRowScrollContainer = $headerRowScrollerL;\n\t      $footerRowScrollContainer = $footerRowScrollerL;\n\t\n\t      if (hasFrozenRows) {\n\t        if (options.frozenBottom) {\n\t          $viewportScrollContainerX = $viewportBottomL;\n\t          $viewportScrollContainerY = $viewportTopL;\n\t        } else {\n\t          $viewportScrollContainerX = $viewportScrollContainerY = $viewportBottomL;\n\t        }\n\t      } else {\n\t        $viewportScrollContainerX = $viewportScrollContainerY = $viewportTopL;\n\t      }\n\t    }\n\t  }\n\t\n\t  function measureCellPaddingAndBorder() {\n\t    var el;\n\t    var h = [\"borderLeftWidth\", \"borderRightWidth\", \"paddingLeft\", \"paddingRight\"];\n\t    var v = [\"borderTopWidth\", \"borderBottomWidth\", \"paddingTop\", \"paddingBottom\"];\n\t\n\t    el = (0, _jquery2.default)(\"<div class='ui-state-default slick-header-column' style='visibility:hidden'>-</div>\").appendTo($headers);\n\t    headerColumnWidthDiff = headerColumnHeightDiff = 0;\n\t    if (el.css(\"box-sizing\") != \"border-box\" && el.css(\"-moz-box-sizing\") != \"border-box\" && el.css(\"-webkit-box-sizing\") != \"border-box\") {\n\t      _jquery2.default.each(h, function (n, val) {\n\t        headerColumnWidthDiff += parseFloat(el.css(val)) || 0;\n\t      });\n\t      _jquery2.default.each(v, function (n, val) {\n\t        headerColumnHeightDiff += parseFloat(el.css(val)) || 0;\n\t      });\n\t    }\n\t    el.remove();\n\t\n\t    var r = (0, _jquery2.default)(\"<div class='slick-row' />\").appendTo($canvas);\n\t    el = (0, _jquery2.default)(\"<div class='slick-cell' id='' style='visibility:hidden'>-</div>\").appendTo(r);\n\t    cellWidthDiff = cellHeightDiff = 0;\n\t    if (el.css(\"box-sizing\") != \"border-box\" && el.css(\"-moz-box-sizing\") != \"border-box\" && el.css(\"-webkit-box-sizing\") != \"border-box\") {\n\t      _jquery2.default.each(h, function (n, val) {\n\t        cellWidthDiff += parseFloat(el.css(val)) || 0;\n\t      });\n\t      _jquery2.default.each(v, function (n, val) {\n\t        cellHeightDiff += parseFloat(el.css(val)) || 0;\n\t      });\n\t    }\n\t    r.remove();\n\t\n\t    absoluteColumnMinWidth = Math.max(headerColumnWidthDiff, cellWidthDiff);\n\t  }\n\t\n\t  function createCssRules() {\n\t    $style = (0, _jquery2.default)(\"<style type='text/css' rel='stylesheet' />\").appendTo((0, _jquery2.default)(\"head\"));\n\t    var rowHeight = options.rowHeight - cellHeightDiff;\n\t    var rules = [\".\" + uid + \" .slick-group-header-column { left: 1000px; }\", \".\" + uid + \" .slick-header-column { left: 1000px; }\", \".\" + uid + \" .slick-top-panel { height:\" + options.topPanelHeight + \"px; }\", \".\" + uid + \" .slick-headerrow-columns { height:\" + options.headerRowHeight + \"px; }\", \".\" + uid + \" .slick-cell { height:\" + rowHeight + \"px; }\", \".\" + uid + \" .slick-row { height:\" + options.rowHeight + \"px; }\", \".\" + uid + \" .slick-footerrow-columns { height:\" + options.footerRowHeight + \"px; }\"];\n\t\n\t    for (var i = 0; i < columns.length; i++) {\n\t      rules.push(\".\" + uid + \" .l\" + i + \" { }\");\n\t      rules.push(\".\" + uid + \" .r\" + i + \" { }\");\n\t    }\n\t\n\t    if ($style[0].styleSheet) {\n\t      // IE\n\t      $style[0].styleSheet.cssText = rules.join(\" \");\n\t    } else {\n\t      $style[0].appendChild(document.createTextNode(rules.join(\" \")));\n\t    }\n\t  }\n\t\n\t  function getColumnCssRules(idx) {\n\t    if (!stylesheet) {\n\t      var sheets = document.styleSheets;\n\t      for (var i = 0; i < sheets.length; i++) {\n\t        if ((sheets[i].ownerNode || sheets[i].owningElement) == $style[0]) {\n\t          stylesheet = sheets[i];\n\t          break;\n\t        }\n\t      }\n\t\n\t      if (!stylesheet) {\n\t        throw new Error(\"Cannot find stylesheet.\");\n\t      }\n\t\n\t      // find and cache column CSS rules\n\t      columnCssRulesL = [];\n\t      columnCssRulesR = [];\n\t      var cssRules = stylesheet.cssRules || stylesheet.rules;\n\t      var matches, columnIdx;\n\t      for (var i = 0; i < cssRules.length; i++) {\n\t        var selector = cssRules[i].selectorText;\n\t        if (matches = /\\.l\\d+/.exec(selector)) {\n\t          columnIdx = parseInt(matches[0].substr(2, matches[0].length - 2), 10);\n\t          columnCssRulesL[columnIdx] = cssRules[i];\n\t        } else if (matches = /\\.r\\d+/.exec(selector)) {\n\t          columnIdx = parseInt(matches[0].substr(2, matches[0].length - 2), 10);\n\t          columnCssRulesR[columnIdx] = cssRules[i];\n\t        }\n\t      }\n\t    }\n\t\n\t    return {\n\t      \"left\": columnCssRulesL[idx],\n\t      \"right\": columnCssRulesR[idx]\n\t    };\n\t  }\n\t\n\t  function removeCssRules() {\n\t    $style.remove();\n\t    stylesheet = null;\n\t  }\n\t\n\t  function destroy() {\n\t    getEditorLock().cancelCurrentEdit();\n\t\n\t    trigger(self.onBeforeDestroy, {});\n\t\n\t    var i = plugins.length;\n\t    while (i--) {\n\t      unregisterPlugin(plugins[i]);\n\t    }\n\t\n\t    unbindAncestorScrollEvents();\n\t    $container.unbind(\".slickgrid\");\n\t    removeCssRules();\n\t\n\t    $container.empty().removeClass(uid);\n\t  }\n\t\n\t  //////////////////////////////////////////////////////////////////////////////////////////////\n\t  // General\n\t\n\t  function trigger(evt, args, e) {\n\t    e = e || new _slick2.default.EventData();\n\t    args = args || {};\n\t    args.grid = self;\n\t    return evt.notify(args, e, self);\n\t  }\n\t\n\t  function getEditorLock() {\n\t    return options.editorLock;\n\t  }\n\t\n\t  function getEditController() {\n\t    return editController;\n\t  }\n\t\n\t  function getColumnIndex(id) {\n\t    return columnsById[id];\n\t  }\n\t\n\t  function autosizeColumns() {\n\t    var i,\n\t        c,\n\t        widths = [],\n\t        shrinkLeeway = 0,\n\t        total = 0,\n\t        prevTotal,\n\t        availWidth = viewportHasVScroll ? viewportW - scrollbarDimensions.width : viewportW;\n\t\n\t    for (i = 0; i < columns.length; i++) {\n\t      c = columns[i];\n\t      widths.push(c.width);\n\t      total += c.width;\n\t      if (c.resizable) {\n\t        shrinkLeeway += c.width - Math.max(c.minWidth, absoluteColumnMinWidth);\n\t      }\n\t    }\n\t\n\t    // shrink\n\t    prevTotal = total;\n\t    while (total > availWidth && shrinkLeeway) {\n\t      var shrinkProportion = (total - availWidth) / shrinkLeeway;\n\t      for (i = 0; i < columns.length && total > availWidth; i++) {\n\t        c = columns[i];\n\t        var width = widths[i];\n\t        if (!c.resizable || width <= c.minWidth || width <= absoluteColumnMinWidth) {\n\t          continue;\n\t        }\n\t        var absMinWidth = Math.max(c.minWidth, absoluteColumnMinWidth);\n\t        var shrinkSize = Math.floor(shrinkProportion * (width - absMinWidth)) || 1;\n\t        shrinkSize = Math.min(shrinkSize, width - absMinWidth);\n\t        total -= shrinkSize;\n\t        shrinkLeeway -= shrinkSize;\n\t        widths[i] -= shrinkSize;\n\t      }\n\t      if (prevTotal <= total) {\n\t        // avoid infinite loop\n\t        break;\n\t      }\n\t      prevTotal = total;\n\t    }\n\t\n\t    // grow\n\t    prevTotal = total;\n\t    while (total < availWidth) {\n\t      var growProportion = availWidth / total;\n\t      for (i = 0; i < columns.length && total < availWidth; i++) {\n\t        c = columns[i];\n\t        var currentWidth = widths[i];\n\t        var growSize;\n\t\n\t        if (!c.resizable || c.maxWidth <= currentWidth) {\n\t          growSize = 0;\n\t        } else {\n\t          growSize = Math.min(Math.floor(growProportion * currentWidth) - currentWidth, c.maxWidth - currentWidth || 1000000) || 1;\n\t        }\n\t        total += growSize;\n\t        widths[i] += growSize;\n\t      }\n\t      if (prevTotal >= total) {\n\t        // avoid infinite loop\n\t        break;\n\t      }\n\t      prevTotal = total;\n\t    }\n\t\n\t    var reRender = false;\n\t    for (i = 0; i < columns.length; i++) {\n\t      if (columns[i].rerenderOnResize && columns[i].width != widths[i]) {\n\t        reRender = true;\n\t      }\n\t      columns[i].width = widths[i];\n\t    }\n\t\n\t    applyColumnHeaderWidths();\n\t    applyColumnGroupHeaderWidths();\n\t    updateCanvasWidth(true);\n\t    if (reRender) {\n\t      invalidateAllRows();\n\t      render();\n\t    }\n\t  }\n\t\n\t  function applyColumnGroupHeaderWidths() {\n\t    if (!treeColumns.hasDepth()) return;\n\t\n\t    for (var depth = $groupHeadersL.length - 1; depth >= 0; depth--) {\n\t\n\t      var groupColumns = treeColumns.getColumnsInDepth(depth);\n\t\n\t      (0, _jquery2.default)().add($groupHeadersL[depth]).add($groupHeadersR[depth]).each(function (i) {\n\t        var $groupHeader = (0, _jquery2.default)(this),\n\t            currentColumnIndex = 0;\n\t\n\t        $groupHeader.width(i == 0 ? getHeadersWidthL() : getHeadersWidthR());\n\t\n\t        $groupHeader.children().each(function () {\n\t          var $groupHeaderColumn = (0, _jquery2.default)(this);\n\t\n\t          var m = (0, _jquery2.default)(this).data('column');\n\t\n\t          m.width = 0;\n\t\n\t          m.columns.forEach(function () {\n\t            var $headerColumn = $groupHeader.next().children(':eq(' + currentColumnIndex++ + ')');\n\t            m.width += $headerColumn.outerWidth();\n\t          });\n\t\n\t          $groupHeaderColumn.width(m.width - headerColumnWidthDiff);\n\t        });\n\t      });\n\t    }\n\t  }\n\t\n\t  function applyColumnHeaderWidths() {\n\t    if (!initialized) {\n\t      return;\n\t    }\n\t    var h;\n\t    for (var i = 0, headers = $headers.children(), ii = headers.length; i < ii; i++) {\n\t      h = (0, _jquery2.default)(headers[i]);\n\t      if (h.width() !== columns[i].width - headerColumnWidthDiff) {\n\t        h.width(columns[i].width - headerColumnWidthDiff);\n\t      }\n\t    }\n\t\n\t    updateColumnCaches();\n\t  }\n\t\n\t  function applyColumnWidths() {\n\t    var x = 0,\n\t        w,\n\t        rule;\n\t    for (var i = 0; i < columns.length; i++) {\n\t      w = columns[i].width;\n\t\n\t      rule = getColumnCssRules(i);\n\t      rule.left.style.left = x + \"px\";\n\t      rule.right.style.right = (options.frozenColumn != -1 && i > options.frozenColumn ? canvasWidthR : canvasWidthL) - x - w + \"px\";\n\t\n\t      // If this column is frozen, reset the css left value since the\n\t      // column starts in a new viewport.\n\t      if (options.frozenColumn == i) {\n\t        x = 0;\n\t      } else {\n\t        x += columns[i].width;\n\t      }\n\t    }\n\t  }\n\t\n\t  function setSortColumn(columnId, ascending) {\n\t    setSortColumns([{\n\t      columnId: columnId,\n\t      sortAsc: ascending\n\t    }]);\n\t  }\n\t\n\t  function setSortColumns(cols) {\n\t    sortColumns = cols;\n\t\n\t    var headerColumnEls = $headers.children();\n\t    headerColumnEls.removeClass(\"slick-header-column-sorted\").find(\".slick-sort-indicator\").removeClass(\"slick-sort-indicator-asc slick-sort-indicator-desc\");\n\t\n\t    _jquery2.default.each(sortColumns, function (i, col) {\n\t      if (col.sortAsc == null) {\n\t        col.sortAsc = true;\n\t      }\n\t      var columnIndex = getColumnIndex(col.columnId);\n\t      if (columnIndex != null) {\n\t        headerColumnEls.eq(columnIndex).addClass(\"slick-header-column-sorted\").find(\".slick-sort-indicator\").addClass(col.sortAsc ? \"slick-sort-indicator-asc\" : \"slick-sort-indicator-desc\");\n\t      }\n\t    });\n\t  }\n\t\n\t  function getSortColumns() {\n\t    return sortColumns;\n\t  }\n\t\n\t  function handleSelectedRangesChanged(e, ranges) {\n\t    selectedRows = [];\n\t    var hash = {};\n\t    for (var i = 0; i < ranges.length; i++) {\n\t      for (var j = ranges[i].fromRow; j <= ranges[i].toRow; j++) {\n\t        if (!hash[j]) {\n\t          // prevent duplicates\n\t          selectedRows.push(j);\n\t          hash[j] = {};\n\t        }\n\t        for (var k = ranges[i].fromCell; k <= ranges[i].toCell; k++) {\n\t          if (canCellBeSelected(j, k)) {\n\t            hash[j][columns[k].id] = options.selectedCellCssClass;\n\t          }\n\t        }\n\t      }\n\t    }\n\t\n\t    setCellCssStyles(options.selectedCellCssClass, hash);\n\t\n\t    trigger(self.onSelectedRowsChanged, {\n\t      rows: getSelectedRows()\n\t    }, e);\n\t  }\n\t\n\t  function getColumns() {\n\t    return columns;\n\t  }\n\t\n\t  function updateColumnCaches() {\n\t    // Pre-calculate cell boundaries.\n\t    columnPosLeft = [];\n\t    columnPosRight = [];\n\t    var x = 0;\n\t    for (var i = 0, ii = columns.length; i < ii; i++) {\n\t      columnPosLeft[i] = x;\n\t      columnPosRight[i] = x + columns[i].width;\n\t\n\t      if (options.frozenColumn == i) {\n\t        x = 0;\n\t      } else {\n\t        x += columns[i].width;\n\t      }\n\t    }\n\t  }\n\t\n\t  function setColumns(columnDefinitions) {\n\t    var _treeColumns = new _slick2.default.TreeColumns(columnDefinitions);\n\t    if (_treeColumns.hasDepth()) {\n\t      treeColumns = _treeColumns;\n\t      columns = treeColumns.extractColumns();\n\t    } else {\n\t      columns = columnDefinitions;\n\t    }\n\t\n\t    columnsById = {};\n\t    for (var i = 0; i < columns.length; i++) {\n\t      var m = columns[i] = _jquery2.default.extend({}, columnDefaults, columns[i]);\n\t      columnsById[m.id] = i;\n\t      if (m.minWidth && m.width < m.minWidth) {\n\t        m.width = m.minWidth;\n\t      }\n\t      if (m.maxWidth && m.width > m.maxWidth) {\n\t        m.width = m.maxWidth;\n\t      }\n\t    }\n\t\n\t    updateColumnCaches();\n\t\n\t    if (initialized) {\n\t      setPaneVisibility();\n\t      setOverflow();\n\t\n\t      invalidateAllRows();\n\t      createColumnHeaders();\n\t      createColumnGroupHeaders();\n\t      createColumnFooter();\n\t      removeCssRules();\n\t      createCssRules();\n\t      resizeCanvas();\n\t      updateCanvasWidth();\n\t      applyColumnWidths();\n\t      handleScroll();\n\t    }\n\t  }\n\t\n\t  function getOptions() {\n\t    return options;\n\t  }\n\t\n\t  function setOptions(args) {\n\t    if (!getEditorLock().commitCurrentEdit()) {\n\t      return;\n\t    }\n\t\n\t    makeActiveCellNormal();\n\t\n\t    if (options.enableAddRow !== args.enableAddRow) {\n\t      invalidateRow(getDataLength());\n\t    }\n\t\n\t    options = _jquery2.default.extend(options, args);\n\t    validateAndEnforceOptions();\n\t\n\t    setFrozenOptions();\n\t    setScroller();\n\t    zombieRowNodeFromLastMouseWheelEvent = null;\n\t\n\t    setColumns(treeColumns.extractColumns());\n\t    render();\n\t  }\n\t\n\t  function validateAndEnforceOptions() {\n\t    if (options.autoHeight) {\n\t      options.leaveSpaceForNewRows = false;\n\t    }\n\t  }\n\t\n\t  function setData(newData, scrollToTop) {\n\t    data = newData;\n\t    invalidateAllRows();\n\t    updateRowCount();\n\t    if (scrollToTop) {\n\t      scrollTo(0);\n\t    }\n\t  }\n\t\n\t  function getData() {\n\t    return data;\n\t  }\n\t\n\t  function getDataLength() {\n\t    if (data.getLength) {\n\t      return data.getLength();\n\t    } else {\n\t      return data.length;\n\t    }\n\t  }\n\t\n\t  function getDataLengthIncludingAddNew() {\n\t    return getDataLength() + (options.enableAddRow ? 1 : 0);\n\t  }\n\t\n\t  function getDataItem(i) {\n\t    if (data.getItem) {\n\t      return data.getItem(i);\n\t    } else {\n\t      return data[i];\n\t    }\n\t  }\n\t\n\t  function getTopPanel() {\n\t    return $topPanel[0];\n\t  }\n\t\n\t  function setTopPanelVisibility(visible) {\n\t    if (options.showTopPanel != visible) {\n\t      options.showTopPanel = visible;\n\t      if (visible) {\n\t        $topPanelScroller.slideDown(\"fast\", resizeCanvas);\n\t      } else {\n\t        $topPanelScroller.slideUp(\"fast\", resizeCanvas);\n\t      }\n\t    }\n\t  }\n\t\n\t  function setHeaderRowVisibility(visible) {\n\t    if (options.showHeaderRow != visible) {\n\t      options.showHeaderRow = visible;\n\t      if (visible) {\n\t        $headerRowScroller.slideDown(\"fast\", resizeCanvas);\n\t      } else {\n\t        $headerRowScroller.slideUp(\"fast\", resizeCanvas);\n\t      }\n\t    }\n\t  }\n\t\n\t  function setFooterRowVisibility(visible) {\n\t    if (options.showFooterRow != visible) {\n\t      options.showFooterRow = visible;\n\t      if (visible) {\n\t        $footerRowScroller.fadeIn(\"fast\", resizeCanvas);\n\t      } else {\n\t        $footerRowScroller.slideDown(\"fast\", resizeCanvas);\n\t      }\n\t    }\n\t  }\n\t\n\t  function getContainerNode() {\n\t    return $container.get(0);\n\t  }\n\t\n\t  //////////////////////////////////////////////////////////////////////////////////////////////\n\t  // Rendering / Scrolling\n\t\n\t  function getRowTop(row) {\n\t    return options.rowHeight * row - offset;\n\t  }\n\t\n\t  function getRowFromPosition(y) {\n\t    return Math.floor((y + offset) / options.rowHeight);\n\t  }\n\t\n\t  function scrollTo(y) {\n\t    y = Math.max(y, 0);\n\t    y = Math.min(y, th - $viewportScrollContainerY.height() + (viewportHasHScroll || hasFrozenColumns() ? scrollbarDimensions.height : 0));\n\t\n\t    var oldOffset = offset;\n\t\n\t    page = Math.min(n - 1, Math.floor(y / ph));\n\t    offset = Math.round(page * cj);\n\t    var newScrollTop = y - offset;\n\t\n\t    if (offset != oldOffset) {\n\t      var range = getVisibleRange(newScrollTop);\n\t      cleanupRows(range);\n\t      updateRowPositions();\n\t    }\n\t\n\t    if (prevScrollTop != newScrollTop) {\n\t      vScrollDir = prevScrollTop + oldOffset < newScrollTop + offset ? 1 : -1;\n\t\n\t      lastRenderedScrollTop = scrollTop = prevScrollTop = newScrollTop;\n\t\n\t      if (hasFrozenColumns()) {\n\t        $viewportTopL[0].scrollTop = newScrollTop;\n\t      }\n\t\n\t      if (hasFrozenRows) {\n\t        $viewportBottomL[0].scrollTop = $viewportBottomR[0].scrollTop = newScrollTop;\n\t      }\n\t\n\t      $viewportScrollContainerY[0].scrollTop = newScrollTop;\n\t\n\t      trigger(self.onViewportChanged, {});\n\t    }\n\t  }\n\t\n\t  function defaultFormatter(row, cell, value, columnDef, dataContext) {\n\t    if (value == null) {\n\t      return \"\";\n\t    } else {\n\t      return (value + \"\").replace(/&/g, \"&\").replace(/</g, \"<\").replace(/>/g, \">\");\n\t    }\n\t  }\n\t\n\t  function getFormatter(row, column) {\n\t    var rowMetadata = data.getItemMetadata && data.getItemMetadata(row);\n\t\n\t    // look up by id, then index\n\t    var columnOverrides = rowMetadata && rowMetadata.columns && (rowMetadata.columns[column.id] || rowMetadata.columns[getColumnIndex(column.id)]);\n\t\n\t    return columnOverrides && columnOverrides.formatter || rowMetadata && rowMetadata.formatter || column.formatter || options.formatterFactory && options.formatterFactory.getFormatter(column) || options.defaultFormatter;\n\t  }\n\t\n\t  function callFormatter(row, cell, value, m, item) {\n\t\n\t    var result;\n\t\n\t    // pass metadata to formatter\n\t    var metadata = data.getItemMetadata && data.getItemMetadata(row);\n\t    metadata = metadata && metadata.columns;\n\t\n\t    if (metadata) {\n\t      var columnData = metadata[m.id] || metadata[cell];\n\t      result = getFormatter(row, m)(row, cell, value, m, item, columnData);\n\t    } else {\n\t      result = getFormatter(row, m)(row, cell, value, m, item);\n\t    }\n\t\n\t    return result;\n\t  }\n\t\n\t  function getEditor(row, cell) {\n\t    var column = columns[cell];\n\t    var rowMetadata = data.getItemMetadata && data.getItemMetadata(row);\n\t    var columnMetadata = rowMetadata && rowMetadata.columns;\n\t\n\t    if (columnMetadata && columnMetadata[column.id] && columnMetadata[column.id].editor !== undefined) {\n\t      return columnMetadata[column.id].editor;\n\t    }\n\t    if (columnMetadata && columnMetadata[cell] && columnMetadata[cell].editor !== undefined) {\n\t      return columnMetadata[cell].editor;\n\t    }\n\t\n\t    return column.editor || options.editorFactory && options.editorFactory.getEditor(column);\n\t  }\n\t\n\t  function getDataItemValueForColumn(item, columnDef) {\n\t    if (options.dataItemColumnValueExtractor) {\n\t      return options.dataItemColumnValueExtractor(item, columnDef);\n\t    }\n\t    return item[columnDef.field];\n\t  }\n\t\n\t  function appendRowHtml(stringArrayL, stringArrayR, row, range, dataLength) {\n\t    var d = getDataItem(row);\n\t    var dataLoading = row < dataLength && !d;\n\t    var rowCss = \"slick-row\" + (hasFrozenRows && row < options.frozenRow ? ' frozen' : '') + (dataLoading ? \" loading\" : \"\") + (row === activeRow ? \" active\" : \"\") + (row % 2 == 1 ? \" odd\" : \" even\");\n\t\n\t    if (!d) {\n\t      rowCss += \" \" + options.addNewRowCssClass;\n\t    }\n\t\n\t    var metadata = data.getItemMetadata && data.getItemMetadata(row);\n\t\n\t    if (metadata && metadata.cssClasses) {\n\t      rowCss += \" \" + metadata.cssClasses;\n\t    }\n\t\n\t    var frozenRowOffset = getFrozenRowOffset(row);\n\t\n\t    var rowHtml = \"<div class='ui-widget-content \" + rowCss + \"' style='top:\" + (getRowTop(row) - frozenRowOffset) + \"px'>\";\n\t\n\t    stringArrayL.push(rowHtml);\n\t\n\t    if (hasFrozenColumns()) {\n\t      stringArrayR.push(rowHtml);\n\t    }\n\t\n\t    var colspan, m;\n\t    for (var i = 0, ii = columns.length; i < ii; i++) {\n\t      m = columns[i];\n\t      colspan = 1;\n\t      if (metadata && metadata.columns) {\n\t        var columnData = metadata.columns[m.id] || metadata.columns[i];\n\t        colspan = columnData && columnData.colspan || 1;\n\t        if (colspan === \"*\") {\n\t          colspan = ii - i;\n\t        }\n\t      }\n\t\n\t      // Do not render cells outside of the viewport.\n\t      if (columnPosRight[Math.min(ii - 1, i + colspan - 1)] > range.leftPx) {\n\t        if (columnPosLeft[i] > range.rightPx) {\n\t          // All columns to the right are outside the range.\n\t          break;\n\t        }\n\t\n\t        if (hasFrozenColumns() && i > options.frozenColumn) {\n\t          appendCellHtml(stringArrayR, row, i, colspan, d);\n\t        } else {\n\t          appendCellHtml(stringArrayL, row, i, colspan, d);\n\t        }\n\t      } else if (hasFrozenColumns() && i <= options.frozenColumn) {\n\t        appendCellHtml(stringArrayL, row, i, colspan, d);\n\t      }\n\t\n\t      if (colspan > 1) {\n\t        i += colspan - 1;\n\t      }\n\t    }\n\t\n\t    stringArrayL.push(\"</div>\");\n\t\n\t    if (hasFrozenColumns()) {\n\t      stringArrayR.push(\"</div>\");\n\t    }\n\t  }\n\t\n\t  function appendCellHtml(stringArray, row, cell, colspan, item) {\n\t    var m = columns[cell];\n\t    var cellCss = \"slick-cell l\" + cell + \" r\" + Math.min(columns.length - 1, cell + colspan - 1) + (m.cssClass ? \" \" + m.cssClass : \"\");\n\t\n\t    if (hasFrozenColumns() && cell <= options.frozenColumn) cellCss += ' frozen';\n\t\n\t    if (row === activeRow && cell === activeCell) cellCss += \" active\";\n\t\n\t    // TODO:  merge them together in the setter\n\t    for (var key in cellCssClasses) {\n\t      if (cellCssClasses[key][row] && cellCssClasses[key][row][m.id]) {\n\t        cellCss += \" \" + cellCssClasses[key][row][m.id];\n\t      }\n\t    }\n\t\n\t    stringArray.push(\"<div class='\" + cellCss + \"'>\");\n\t\n\t    // if there is a corresponding row (if not, this is the Add New row or this data hasn't been loaded yet)\n\t    if (item) {\n\t      var value = getDataItemValueForColumn(item, m);\n\t      stringArray.push(callFormatter(row, cell, value, m, item));\n\t    }\n\t\n\t    stringArray.push(\"</div>\");\n\t\n\t    rowsCache[row].cellRenderQueue.push(cell);\n\t    rowsCache[row].cellColSpans[cell] = colspan;\n\t  }\n\t\n\t  function cleanupRows(rangeToKeep) {\n\t    for (var i in rowsCache) {\n\t      var removeFrozenRow = true;\n\t\n\t      if (hasFrozenRows && (options.frozenBottom && i >= actualFrozenRow || // Frozen bottom rows\n\t      !options.frozenBottom && i <= actualFrozenRow // Frozen top rows\n\t      )) {\n\t        removeFrozenRow = false;\n\t      }\n\t\n\t      if ((i = parseInt(i, 10)) !== activeRow && (i < rangeToKeep.top || i > rangeToKeep.bottom) && removeFrozenRow) {\n\t        removeRowFromCache(i);\n\t      }\n\t    }\n\t  }\n\t\n\t  function invalidate() {\n\t    updateRowCount();\n\t    invalidateAllRows();\n\t    render();\n\t  }\n\t\n\t  function invalidateAllRows() {\n\t    if (currentEditor) {\n\t      makeActiveCellNormal();\n\t    }\n\t    for (var row in rowsCache) {\n\t      removeRowFromCache(row);\n\t    }\n\t  }\n\t\n\t  function removeRowFromCache(row) {\n\t    var cacheEntry = rowsCache[row];\n\t    if (!cacheEntry) {\n\t      return;\n\t    }\n\t\n\t    if (rowNodeFromLastMouseWheelEvent == cacheEntry.rowNode[0] || hasFrozenColumns() && rowNodeFromLastMouseWheelEvent == cacheEntry.rowNode[1]) {\n\t\n\t      cacheEntry.rowNode.hide();\n\t\n\t      zombieRowNodeFromLastMouseWheelEvent = cacheEntry.rowNode;\n\t    } else {\n\t\n\t      cacheEntry.rowNode.each(function () {\n\t        this.parentElement.removeChild(this);\n\t      });\n\t    }\n\t\n\t    delete rowsCache[row];\n\t    delete postProcessedRows[row];\n\t    renderedRows--;\n\t    counter_rows_removed++;\n\t  }\n\t\n\t  function invalidateRows(rows) {\n\t    var i, rl;\n\t    if (!rows || !rows.length) {\n\t      return;\n\t    }\n\t    vScrollDir = 0;\n\t    for (i = 0, rl = rows.length; i < rl; i++) {\n\t      if (currentEditor && activeRow === rows[i]) {\n\t        makeActiveCellNormal();\n\t      }\n\t      if (rowsCache[rows[i]]) {\n\t        removeRowFromCache(rows[i]);\n\t      }\n\t    }\n\t  }\n\t\n\t  function invalidateRow(row) {\n\t    invalidateRows([row]);\n\t  }\n\t\n\t  function updateCell(row, cell) {\n\t    var cellNode = getCellNode(row, cell);\n\t    if (!cellNode) {\n\t      return;\n\t    }\n\t\n\t    var m = columns[cell],\n\t        d = getDataItem(row);\n\t    if (currentEditor && activeRow === row && activeCell === cell) {\n\t      currentEditor.loadValue(d);\n\t    } else {\n\t      cellNode.innerHTML = d ? callFormatter(row, cell, getDataItemValueForColumn(d, m), m, d) : \"\";\n\t      invalidatePostProcessingResults(row);\n\t    }\n\t  }\n\t\n\t  function updateRow(row) {\n\t    var cacheEntry = rowsCache[row];\n\t    if (!cacheEntry) {\n\t      return;\n\t    }\n\t\n\t    ensureCellNodesInRowsCache(row);\n\t\n\t    var d = getDataItem(row);\n\t\n\t    for (var columnIdx in cacheEntry.cellNodesByColumnIdx) {\n\t      if (!cacheEntry.cellNodesByColumnIdx.hasOwnProperty(columnIdx)) {\n\t        continue;\n\t      }\n\t\n\t      columnIdx = columnIdx | 0;\n\t      var m = columns[columnIdx],\n\t          node = cacheEntry.cellNodesByColumnIdx[columnIdx][0];\n\t\n\t      if (row === activeRow && columnIdx === activeCell && currentEditor) {\n\t        currentEditor.loadValue(d);\n\t      } else if (d) {\n\t        node.innerHTML = callFormatter(row, columnIdx, getDataItemValueForColumn(d, m), m, d);\n\t      } else {\n\t        node.innerHTML = \"\";\n\t      }\n\t    }\n\t\n\t    invalidatePostProcessingResults(row);\n\t  }\n\t\n\t  function getViewportHeight() {\n\t    if (options.autoHeight) {\n\t      viewportH = options.rowHeight * getDataLengthIncludingAddNew() + (options.frozenColumn == -1 ? $headers.outerHeight() : 0);\n\t    } else {\n\t      topPanelH = options.showTopPanel ? options.topPanelHeight + getVBoxDelta($topPanelScroller) : 0;\n\t\n\t      headerRowH = options.showHeaderRow ? options.headerRowHeight + getVBoxDelta($headerRowScroller) : 0;\n\t\n\t      footerRowH = options.showFooterRow ? options.footerRowHeight + getVBoxDelta($footerRowScroller) : 0;\n\t\n\t      viewportH = parseFloat(_jquery2.default.css($container[0], \"height\", true)) - parseFloat(_jquery2.default.css($container[0], \"paddingTop\", true)) - parseFloat(_jquery2.default.css($container[0], \"paddingBottom\", true)) - parseFloat(_jquery2.default.css($headerScroller[0], \"height\")) - getVBoxDelta($headerScroller) - topPanelH - headerRowH - footerRowH;\n\t    }\n\t\n\t    numVisibleRows = Math.ceil(viewportH / options.rowHeight);\n\t  }\n\t\n\t  function getViewportWidth() {\n\t    viewportW = parseFloat(_jquery2.default.css($container[0], \"width\", true));\n\t  }\n\t\n\t  function resizeCanvas() {\n\t    if (!initialized) {\n\t      return;\n\t    }\n\t\n\t    paneTopH = 0;\n\t    paneBottomH = 0;\n\t    viewportTopH = 0;\n\t    viewportBottomH = 0;\n\t\n\t    getViewportWidth();\n\t    getViewportHeight();\n\t\n\t    // Account for Frozen Rows\n\t    if (hasFrozenRows) {\n\t      if (options.frozenBottom) {\n\t        paneTopH = viewportH - frozenRowsHeight - scrollbarDimensions.height;\n\t\n\t        paneBottomH = frozenRowsHeight + scrollbarDimensions.height;\n\t      } else {\n\t        paneTopH = frozenRowsHeight;\n\t        paneBottomH = viewportH - frozenRowsHeight;\n\t      }\n\t    } else {\n\t      paneTopH = viewportH;\n\t    }\n\t\n\t    // The top pane includes the top panel and the header row\n\t    paneTopH += topPanelH + headerRowH + footerRowH;\n\t\n\t    if (hasFrozenColumns() && options.autoHeight) {\n\t      paneTopH += scrollbarDimensions.height;\n\t    }\n\t\n\t    // The top viewport does not contain the top panel or header row\n\t    viewportTopH = paneTopH - topPanelH - headerRowH - footerRowH;\n\t\n\t    if (options.autoHeight) {\n\t      if (hasFrozenColumns()) {\n\t        $container.height(paneTopH + parseFloat(_jquery2.default.css($headerScrollerL[0], \"height\")));\n\t      }\n\t\n\t      $paneTopL.css('position', 'relative');\n\t    }\n\t\n\t    $paneTopL.css({\n\t      'top': $paneHeaderL.height(),\n\t      'height': paneTopH\n\t    });\n\t\n\t    var paneBottomTop = $paneTopL.position().top + paneTopH;\n\t\n\t    $viewportTopL.height(viewportTopH);\n\t\n\t    if (hasFrozenColumns()) {\n\t      $paneTopR.css({\n\t        'top': $paneHeaderL.height(),\n\t        'height': paneTopH\n\t      });\n\t\n\t      $viewportTopR.height(viewportTopH);\n\t\n\t      if (hasFrozenRows) {\n\t        $paneBottomL.css({\n\t          'top': paneBottomTop,\n\t          'height': paneBottomH\n\t        });\n\t\n\t        $paneBottomR.css({\n\t          'top': paneBottomTop,\n\t          'height': paneBottomH\n\t        });\n\t\n\t        $viewportBottomR.height(paneBottomH);\n\t      }\n\t    } else {\n\t      if (hasFrozenRows) {\n\t        $paneBottomL.css({\n\t          'width': '100%',\n\t          'height': paneBottomH\n\t        });\n\t\n\t        $paneBottomL.css('top', paneBottomTop);\n\t      }\n\t    }\n\t\n\t    if (hasFrozenRows) {\n\t      $viewportBottomL.height(paneBottomH);\n\t\n\t      if (options.frozenBottom) {\n\t        $canvasBottomL.height(frozenRowsHeight);\n\t\n\t        if (hasFrozenColumns()) {\n\t          $canvasBottomR.height(frozenRowsHeight);\n\t        }\n\t      } else {\n\t        $canvasTopL.height(frozenRowsHeight);\n\t\n\t        if (hasFrozenColumns()) {\n\t          $canvasTopR.height(frozenRowsHeight);\n\t        }\n\t      }\n\t    } else {\n\t      $viewportTopR.height(viewportTopH);\n\t    }\n\t\n\t    if (options.forceFitColumns) {\n\t      autosizeColumns();\n\t    }\n\t\n\t    updateRowCount();\n\t    handleScroll();\n\t    // Since the width has changed, force the render() to reevaluate virtually rendered cells.\n\t    lastRenderedScrollLeft = -1;\n\t    render();\n\t  }\n\t\n\t  function updateRowCount() {\n\t    if (!initialized) {\n\t      return;\n\t    }\n\t\n\t    var dataLengthIncludingAddNew = getDataLengthIncludingAddNew();\n\t    var numberOfRows = 0;\n\t    var oldH = hasFrozenRows && !options.frozenBottom ? $canvasBottomL.height() : $canvasTopL.height();\n\t\n\t    if (hasFrozenRows) {\n\t      var numberOfRows = getDataLength() - options.frozenRow;\n\t    } else {\n\t      var numberOfRows = dataLengthIncludingAddNew + (options.leaveSpaceForNewRows ? numVisibleRows - 1 : 0);\n\t    }\n\t\n\t    var tempViewportH = $viewportScrollContainerY.height();\n\t    var oldViewportHasVScroll = viewportHasVScroll;\n\t    // with autoHeight, we do not need to accommodate the vertical scroll bar\n\t    viewportHasVScroll = !options.autoHeight && numberOfRows * options.rowHeight > tempViewportH;\n\t\n\t    makeActiveCellNormal();\n\t\n\t    // remove the rows that are now outside of the data range\n\t    // this helps avoid redundant calls to .removeRow() when the size of the data decreased by thousands of rows\n\t    var l = dataLengthIncludingAddNew - 1;\n\t    for (var i in rowsCache) {\n\t      if (i >= l) {\n\t        removeRowFromCache(i);\n\t      }\n\t    }\n\t\n\t    th = Math.max(options.rowHeight * numberOfRows, tempViewportH - scrollbarDimensions.height);\n\t\n\t    if (activeCellNode && activeRow > l) {\n\t      resetActiveCell();\n\t    }\n\t\n\t    if (th < maxSupportedCssHeight) {\n\t      // just one page\n\t      h = ph = th;\n\t      n = 1;\n\t      cj = 0;\n\t    } else {\n\t      // break into pages\n\t      h = maxSupportedCssHeight;\n\t      ph = h / 100;\n\t      n = Math.floor(th / ph);\n\t      cj = (th - h) / (n - 1);\n\t    }\n\t\n\t    if (h !== oldH) {\n\t      if (hasFrozenRows && !options.frozenBottom) {\n\t        $canvasBottomL.css(\"height\", h);\n\t\n\t        if (hasFrozenColumns()) {\n\t          $canvasBottomR.css(\"height\", h);\n\t        }\n\t      } else {\n\t        $canvasTopL.css(\"height\", h);\n\t        $canvasTopR.css(\"height\", h);\n\t      }\n\t\n\t      scrollTop = $viewportScrollContainerY[0].scrollTop;\n\t    }\n\t\n\t    var oldScrollTopInRange = scrollTop + offset <= th - tempViewportH;\n\t\n\t    if (th == 0 || scrollTop == 0) {\n\t      page = offset = 0;\n\t    } else if (oldScrollTopInRange) {\n\t      // maintain virtual position\n\t      scrollTo(scrollTop + offset);\n\t    } else {\n\t      // scroll to bottom\n\t      scrollTo(th - tempViewportH);\n\t    }\n\t\n\t    if (h != oldH && options.autoHeight) {\n\t      resizeCanvas();\n\t    }\n\t\n\t    if (options.forceFitColumns && oldViewportHasVScroll != viewportHasVScroll) {\n\t      autosizeColumns();\n\t    }\n\t    updateCanvasWidth(false);\n\t  }\n\t\n\t  function getVisibleRange(viewportTop, viewportLeft) {\n\t    if (viewportTop == null) {\n\t      viewportTop = scrollTop;\n\t    }\n\t    if (viewportLeft == null) {\n\t      viewportLeft = scrollLeft;\n\t    }\n\t\n\t    return {\n\t      top: getRowFromPosition(viewportTop),\n\t      bottom: getRowFromPosition(viewportTop + viewportH) + 1,\n\t      leftPx: viewportLeft,\n\t      rightPx: viewportLeft + viewportW\n\t    };\n\t  }\n\t\n\t  function getRenderedRange(viewportTop, viewportLeft) {\n\t    var range = getVisibleRange(viewportTop, viewportLeft);\n\t    var buffer = Math.round(viewportH / options.rowHeight);\n\t    var minBuffer = 3;\n\t\n\t    if (vScrollDir == -1) {\n\t      range.top -= buffer;\n\t      range.bottom += minBuffer;\n\t    } else if (vScrollDir == 1) {\n\t      range.top -= minBuffer;\n\t      range.bottom += buffer;\n\t    } else {\n\t      range.top -= minBuffer;\n\t      range.bottom += minBuffer;\n\t    }\n\t\n\t    range.top = Math.max(0, range.top);\n\t    range.bottom = Math.min(getDataLengthIncludingAddNew() - 1, range.bottom);\n\t\n\t    range.leftPx -= viewportW;\n\t    range.rightPx += viewportW;\n\t\n\t    range.leftPx = Math.max(0, range.leftPx);\n\t    range.rightPx = Math.min(canvasWidth, range.rightPx);\n\t\n\t    return range;\n\t  }\n\t\n\t  function ensureCellNodesInRowsCache(row) {\n\t    var cacheEntry = rowsCache[row];\n\t    if (cacheEntry) {\n\t      if (cacheEntry.cellRenderQueue.length) {\n\t        var $lastNode = cacheEntry.rowNode.children().last();\n\t        while (cacheEntry.cellRenderQueue.length) {\n\t          var columnIdx = cacheEntry.cellRenderQueue.pop();\n\t\n\t          cacheEntry.cellNodesByColumnIdx[columnIdx] = $lastNode;\n\t          $lastNode = $lastNode.prev();\n\t\n\t          // Hack to retrieve the frozen columns because\n\t          if ($lastNode.length == 0) {\n\t            $lastNode = (0, _jquery2.default)(cacheEntry.rowNode[0]).children().last();\n\t          }\n\t        }\n\t      }\n\t    }\n\t  }\n\t\n\t  function cleanUpCells(range, row) {\n\t    // Ignore frozen rows\n\t    if (hasFrozenRows && (options.frozenBottom && row > actualFrozenRow || // Frozen bottom rows\n\t    row <= actualFrozenRow // Frozen top rows\n\t    )) {\n\t      return;\n\t    }\n\t\n\t    var totalCellsRemoved = 0;\n\t    var cacheEntry = rowsCache[row];\n\t\n\t    // Remove cells outside the range.\n\t    var cellsToRemove = [];\n\t    for (var i in cacheEntry.cellNodesByColumnIdx) {\n\t      // I really hate it when people mess with Array.prototype.\n\t      if (!cacheEntry.cellNodesByColumnIdx.hasOwnProperty(i)) {\n\t        continue;\n\t      }\n\t\n\t      // This is a string, so it needs to be cast back to a number.\n\t      i = i | 0;\n\t\n\t      // Ignore frozen columns\n\t      if (i <= options.frozenColumn) {\n\t        continue;\n\t      }\n\t\n\t      var colspan = cacheEntry.cellColSpans[i];\n\t      if (columnPosLeft[i] > range.rightPx || columnPosRight[Math.min(columns.length - 1, i + colspan - 1)] < range.leftPx) {\n\t        if (!(row == activeRow && i == activeCell)) {\n\t          cellsToRemove.push(i);\n\t        }\n\t      }\n\t    }\n\t\n\t    var cellToRemove;\n\t    while ((cellToRemove = cellsToRemove.pop()) != null) {\n\t      cacheEntry.cellNodesByColumnIdx[cellToRemove][0].parentElement.removeChild(cacheEntry.cellNodesByColumnIdx[cellToRemove][0]);\n\t      delete cacheEntry.cellColSpans[cellToRemove];\n\t      delete cacheEntry.cellNodesByColumnIdx[cellToRemove];\n\t      if (postProcessedRows[row]) {\n\t        delete postProcessedRows[row][cellToRemove];\n\t      }\n\t      totalCellsRemoved++;\n\t    }\n\t  }\n\t\n\t  function cleanUpAndRenderCells(range) {\n\t    var cacheEntry;\n\t    var stringArray = [];\n\t    var processedRows = [];\n\t    var cellsAdded;\n\t    var totalCellsAdded = 0;\n\t    var colspan;\n\t\n\t    for (var row = range.top, btm = range.bottom; row <= btm; row++) {\n\t      cacheEntry = rowsCache[row];\n\t      if (!cacheEntry) {\n\t        continue;\n\t      }\n\t\n\t      // cellRenderQueue populated in renderRows() needs to be cleared first\n\t      ensureCellNodesInRowsCache(row);\n\t\n\t      cleanUpCells(range, row);\n\t\n\t      // Render missing cells.\n\t      cellsAdded = 0;\n\t\n\t      var metadata = data.getItemMetadata && data.getItemMetadata(row);\n\t      metadata = metadata && metadata.columns;\n\t\n\t      var d = getDataItem(row);\n\t\n\t      // TODO:  shorten this loop (index? heuristics? binary search?)\n\t      for (var i = 0, ii = columns.length; i < ii; i++) {\n\t        // Cells to the right are outside the range.\n\t        if (columnPosLeft[i] > range.rightPx) {\n\t          break;\n\t        }\n\t\n\t        // Already rendered.\n\t        if ((colspan = cacheEntry.cellColSpans[i]) != null) {\n\t          i += colspan > 1 ? colspan - 1 : 0;\n\t          continue;\n\t        }\n\t\n\t        colspan = 1;\n\t        if (metadata) {\n\t          var columnData = metadata[columns[i].id] || metadata[i];\n\t          colspan = columnData && columnData.colspan || 1;\n\t          if (colspan === \"*\") {\n\t            colspan = ii - i;\n\t          }\n\t        }\n\t\n\t        if (columnPosRight[Math.min(ii - 1, i + colspan - 1)] > range.leftPx) {\n\t          appendCellHtml(stringArray, row, i, colspan, d);\n\t          cellsAdded++;\n\t        }\n\t\n\t        i += colspan > 1 ? colspan - 1 : 0;\n\t      }\n\t\n\t      if (cellsAdded) {\n\t        totalCellsAdded += cellsAdded;\n\t        processedRows.push(row);\n\t      }\n\t    }\n\t\n\t    if (!stringArray.length) {\n\t      return;\n\t    }\n\t\n\t    var x = document.createElement(\"div\");\n\t    x.innerHTML = stringArray.join(\"\");\n\t\n\t    var processedRow;\n\t    var $node;\n\t    while ((processedRow = processedRows.pop()) != null) {\n\t      cacheEntry = rowsCache[processedRow];\n\t      var columnIdx;\n\t      while ((columnIdx = cacheEntry.cellRenderQueue.pop()) != null) {\n\t        $node = (0, _jquery2.default)(x).children().last();\n\t\n\t        if (hasFrozenColumns() && columnIdx > options.frozenColumn) {\n\t          (0, _jquery2.default)(cacheEntry.rowNode[1]).append($node);\n\t        } else {\n\t          (0, _jquery2.default)(cacheEntry.rowNode[0]).append($node);\n\t        }\n\t\n\t        cacheEntry.cellNodesByColumnIdx[columnIdx] = $node;\n\t      }\n\t    }\n\t  }\n\t\n\t  function renderRows(range) {\n\t    var stringArrayL = [],\n\t        stringArrayR = [],\n\t        rows = [],\n\t        needToReselectCell = false,\n\t        dataLength = getDataLength();\n\t\n\t    for (var i = range.top, ii = range.bottom; i <= ii; i++) {\n\t      if (rowsCache[i] || hasFrozenRows && options.frozenBottom && i == getDataLength()) {\n\t        continue;\n\t      }\n\t      renderedRows++;\n\t      rows.push(i);\n\t\n\t      // Create an entry right away so that appendRowHtml() can\n\t      // start populatating it.\n\t      rowsCache[i] = {\n\t        \"rowNode\": null,\n\t\n\t        // ColSpans of rendered cells (by column idx).\n\t        // Can also be used for checking whether a cell has been rendered.\n\t        \"cellColSpans\": [],\n\t\n\t        // Cell nodes (by column idx).  Lazy-populated by ensureCellNodesInRowsCache().\n\t        \"cellNodesByColumnIdx\": [],\n\t\n\t        // Column indices of cell nodes that have been rendered, but not yet indexed in\n\t        // cellNodesByColumnIdx.  These are in the same order as cell nodes added at the\n\t        // end of the row.\n\t        \"cellRenderQueue\": []\n\t      };\n\t\n\t      appendRowHtml(stringArrayL, stringArrayR, i, range, dataLength);\n\t      if (activeCellNode && activeRow === i) {\n\t        needToReselectCell = true;\n\t      }\n\t      counter_rows_rendered++;\n\t    }\n\t\n\t    if (!rows.length) {\n\t      return;\n\t    }\n\t\n\t    var x = document.createElement(\"div\"),\n\t        xRight = document.createElement(\"div\");\n\t\n\t    x.innerHTML = stringArrayL.join(\"\");\n\t    xRight.innerHTML = stringArrayR.join(\"\");\n\t\n\t    for (var i = 0, ii = rows.length; i < ii; i++) {\n\t      if (hasFrozenRows && rows[i] >= actualFrozenRow) {\n\t        if (hasFrozenColumns()) {\n\t          rowsCache[rows[i]].rowNode = (0, _jquery2.default)().add((0, _jquery2.default)(x.firstChild).appendTo($canvasBottomL)).add((0, _jquery2.default)(xRight.firstChild).appendTo($canvasBottomR));\n\t        } else {\n\t          rowsCache[rows[i]].rowNode = (0, _jquery2.default)().add((0, _jquery2.default)(x.firstChild).appendTo($canvasBottomL));\n\t        }\n\t      } else if (hasFrozenColumns()) {\n\t        rowsCache[rows[i]].rowNode = (0, _jquery2.default)().add((0, _jquery2.default)(x.firstChild).appendTo($canvasTopL)).add((0, _jquery2.default)(xRight.firstChild).appendTo($canvasTopR));\n\t      } else {\n\t        rowsCache[rows[i]].rowNode = (0, _jquery2.default)().add((0, _jquery2.default)(x.firstChild).appendTo($canvasTopL));\n\t      }\n\t    }\n\t\n\t    if (needToReselectCell) {\n\t      activeCellNode = getCellNode(activeRow, activeCell);\n\t    }\n\t  }\n\t\n\t  function startPostProcessing() {\n\t    if (!options.enableAsyncPostRender) {\n\t      return;\n\t    }\n\t    clearTimeout(h_postrender);\n\t    h_postrender = setTimeout(asyncPostProcessRows, options.asyncPostRenderDelay);\n\t  }\n\t\n\t  function invalidatePostProcessingResults(row) {\n\t    delete postProcessedRows[row];\n\t    postProcessFromRow = Math.min(postProcessFromRow, row);\n\t    postProcessToRow = Math.max(postProcessToRow, row);\n\t    startPostProcessing();\n\t  }\n\t\n\t  function updateRowPositions() {\n\t    for (var row in rowsCache) {\n\t      rowsCache[row].rowNode.css('top', getRowTop(row) + \"px\");\n\t    }\n\t  }\n\t\n\t  function render() {\n\t    if (!initialized) {\n\t      return;\n\t    }\n\t    var visible = getVisibleRange();\n\t    var rendered = getRenderedRange();\n\t\n\t    // remove rows no longer in the viewport\n\t    cleanupRows(rendered);\n\t\n\t    // add new rows & missing cells in existing rows\n\t    if (lastRenderedScrollLeft != scrollLeft) {\n\t\n\t      if (hasFrozenRows) {\n\t\n\t        var renderedFrozenRows = _jquery2.default.extend(true, {}, rendered);\n\t\n\t        if (options.frozenBottom) {\n\t\n\t          renderedFrozenRows.top = actualFrozenRow;\n\t          renderedFrozenRows.bottom = getDataLength();\n\t        } else {\n\t\n\t          renderedFrozenRows.top = 0;\n\t          renderedFrozenRows.bottom = options.frozenRow;\n\t        }\n\t\n\t        cleanUpAndRenderCells(renderedFrozenRows);\n\t      }\n\t\n\t      cleanUpAndRenderCells(rendered);\n\t    }\n\t\n\t    // render missing rows\n\t    renderRows(rendered);\n\t\n\t    // Render frozen rows\n\t    if (hasFrozenRows) {\n\t      if (options.frozenBottom) {\n\t        renderRows({\n\t          top: actualFrozenRow,\n\t          bottom: getDataLength() - 1,\n\t          leftPx: rendered.leftPx,\n\t          rightPx: rendered.rightPx\n\t        });\n\t      } else {\n\t        renderRows({\n\t          top: 0,\n\t          bottom: options.frozenRow - 1,\n\t          leftPx: rendered.leftPx,\n\t          rightPx: rendered.rightPx\n\t        });\n\t      }\n\t    }\n\t\n\t    postProcessFromRow = visible.top;\n\t    postProcessToRow = Math.min(getDataLengthIncludingAddNew() - 1, visible.bottom);\n\t    startPostProcessing();\n\t\n\t    lastRenderedScrollTop = scrollTop;\n\t    lastRenderedScrollLeft = scrollLeft;\n\t    h_render = null;\n\t  }\n\t\n\t  function handleHeaderRowScroll() {\n\t    var scrollLeft = $headerRowScrollContainer[0].scrollLeft;\n\t    if (scrollLeft != $viewportScrollContainerX[0].scrollLeft) {\n\t      $viewportScrollContainerX[0].scrollLeft = scrollLeft;\n\t    }\n\t  }\n\t\n\t  function handleFooterRowScroll() {\n\t    var scrollLeft = $footerRowScrollContainer[0].scrollLeft;\n\t    if (scrollLeft != $viewportScrollContainerX[0].scrollLeft) {\n\t      $viewportScrollContainerX[0].scrollLeft = scrollLeft;\n\t    }\n\t  }\n\t\n\t  function handleMouseWheel(e, delta, deltaX, deltaY) {\n\t    var $rowNode = (0, _jquery2.default)(e.target).closest(\".slick-row\");\n\t    var rowNode = $rowNode[0];\n\t\n\t    if (rowNode != rowNodeFromLastMouseWheelEvent) {\n\t\n\t      var $gridCanvas = $rowNode.parents('.grid-canvas');\n\t      var left = $gridCanvas.hasClass('grid-canvas-left');\n\t\n\t      if (zombieRowNodeFromLastMouseWheelEvent && zombieRowNodeFromLastMouseWheelEvent[left ? 0 : 1] != rowNode) {\n\t        var zombieRow = zombieRowNodeFromLastMouseWheelEvent[left || zombieRowNodeFromLastMouseWheelEvent.length == 1 ? 0 : 1];\n\t        zombieRow.parentElement.removeChild(zombieRow);\n\t\n\t        zombieRowNodeFromLastMouseWheelEvent = null;\n\t      }\n\t\n\t      rowNodeFromLastMouseWheelEvent = rowNode;\n\t    }\n\t\n\t    scrollTop = Math.max(0, $viewportScrollContainerY[0].scrollTop - deltaY * options.rowHeight);\n\t    scrollLeft = $viewportScrollContainerX[0].scrollLeft + deltaX * 10;\n\t    var handled = _handleScroll(true);\n\t    if (handled) e.preventDefault();\n\t  }\n\t\n\t  function handleScroll() {\n\t    scrollTop = $viewportScrollContainerY[0].scrollTop;\n\t    scrollLeft = $viewportScrollContainerX[0].scrollLeft;\n\t    return _handleScroll(false);\n\t  }\n\t\n\t  function _handleScroll(isMouseWheel) {\n\t    var maxScrollDistanceY = $viewportScrollContainerY[0].scrollHeight - $viewportScrollContainerY[0].clientHeight;\n\t    var maxScrollDistanceX = $viewportScrollContainerY[0].scrollWidth - $viewportScrollContainerY[0].clientWidth;\n\t    var hasFrozenCols = hasFrozenColumns();\n\t\n\t    // Ceiling the max scroll values\n\t    if (scrollTop > maxScrollDistanceY) {\n\t      scrollTop = maxScrollDistanceY;\n\t    }\n\t    if (scrollLeft > maxScrollDistanceX) {\n\t      scrollLeft = maxScrollDistanceX;\n\t    }\n\t\n\t    var vScrollDist = Math.abs(scrollTop - prevScrollTop);\n\t    var hScrollDist = Math.abs(scrollLeft - prevScrollLeft);\n\t\n\t    if (hScrollDist) {\n\t      prevScrollLeft = scrollLeft;\n\t\n\t      $viewportScrollContainerX[0].scrollLeft = scrollLeft;\n\t      $headerScrollContainer[0].scrollLeft = scrollLeft;\n\t      $topPanelScroller[0].scrollLeft = scrollLeft;\n\t      $headerRowScrollContainer[0].scrollLeft = scrollLeft;\n\t      $footerRowScrollContainer[0].scrollLeft = scrollLeft;\n\t\n\t      if (hasFrozenCols) {\n\t        if (hasFrozenRows) {\n\t          $viewportTopR[0].scrollLeft = scrollLeft;\n\t        }\n\t      } else {\n\t        if (hasFrozenRows) {\n\t          $viewportTopL[0].scrollLeft = scrollLeft;\n\t        }\n\t      }\n\t    }\n\t\n\t    if (vScrollDist) {\n\t      vScrollDir = prevScrollTop < scrollTop ? 1 : -1;\n\t      prevScrollTop = scrollTop;\n\t\n\t      if (isMouseWheel) {\n\t        $viewportScrollContainerY[0].scrollTop = scrollTop;\n\t      }\n\t\n\t      if (hasFrozenCols) {\n\t        if (hasFrozenRows && !options.frozenBottom) {\n\t          $viewportBottomL[0].scrollTop = scrollTop;\n\t        } else {\n\t          $viewportTopL[0].scrollTop = scrollTop;\n\t        }\n\t      }\n\t\n\t      // switch virtual pages if needed\n\t      if (vScrollDist < viewportH) {\n\t        scrollTo(scrollTop + offset);\n\t      } else {\n\t        var oldOffset = offset;\n\t        if (h == viewportH) {\n\t          page = 0;\n\t        } else {\n\t          page = Math.min(n - 1, Math.floor(scrollTop * ((th - viewportH) / (h - viewportH)) * (1 / ph)));\n\t        }\n\t        offset = Math.round(page * cj);\n\t        if (oldOffset != offset) {\n\t          invalidateAllRows();\n\t        }\n\t      }\n\t    }\n\t\n\t    if (hScrollDist || vScrollDist) {\n\t      if (h_render) {\n\t        clearTimeout(h_render);\n\t      }\n\t\n\t      if (Math.abs(lastRenderedScrollTop - scrollTop) > 20 || Math.abs(lastRenderedScrollLeft - scrollLeft) > 20) {\n\t        if (options.forceSyncScrolling || Math.abs(lastRenderedScrollTop - scrollTop) < viewportH && Math.abs(lastRenderedScrollLeft - scrollLeft) < viewportW) {\n\t          render();\n\t        } else {\n\t          h_render = setTimeout(render, 50);\n\t        }\n\t\n\t        trigger(self.onViewportChanged, {});\n\t      }\n\t    }\n\t\n\t    trigger(self.onScroll, {\n\t      scrollLeft: scrollLeft,\n\t      scrollTop: scrollTop\n\t    });\n\t\n\t    if (hScrollDist || vScrollDist) return true;\n\t    return false;\n\t  }\n\t\n\t  function asyncPostProcessRows() {\n\t    var dataLength = getDataLength();\n\t    while (postProcessFromRow <= postProcessToRow) {\n\t      var row = vScrollDir >= 0 ? postProcessFromRow++ : postProcessToRow--;\n\t      var cacheEntry = rowsCache[row];\n\t      if (!cacheEntry || row >= dataLength) {\n\t        continue;\n\t      }\n\t\n\t      if (!postProcessedRows[row]) {\n\t        postProcessedRows[row] = {};\n\t      }\n\t\n\t      ensureCellNodesInRowsCache(row);\n\t      for (var columnIdx in cacheEntry.cellNodesByColumnIdx) {\n\t        if (!cacheEntry.cellNodesByColumnIdx.hasOwnProperty(columnIdx)) {\n\t          continue;\n\t        }\n\t\n\t        columnIdx = columnIdx | 0;\n\t\n\t        var m = columns[columnIdx];\n\t        if (m.asyncPostRender && !postProcessedRows[row][columnIdx]) {\n\t          var node = cacheEntry.cellNodesByColumnIdx[columnIdx];\n\t          if (node) {\n\t            m.asyncPostRender(node, row, getDataItem(row), m);\n\t          }\n\t          postProcessedRows[row][columnIdx] = true;\n\t        }\n\t      }\n\t\n\t      h_postrender = setTimeout(asyncPostProcessRows, options.asyncPostRenderDelay);\n\t      return;\n\t    }\n\t  }\n\t\n\t  function updateCellCssStylesOnRenderedRows(addedHash, removedHash) {\n\t    var node, columnId, addedRowHash, removedRowHash;\n\t    for (var row in rowsCache) {\n\t      removedRowHash = removedHash && removedHash[row];\n\t      addedRowHash = addedHash && addedHash[row];\n\t\n\t      if (removedRowHash) {\n\t        for (columnId in removedRowHash) {\n\t          if (!addedRowHash || removedRowHash[columnId] != addedRowHash[columnId]) {\n\t            node = getCellNode(row, getColumnIndex(columnId));\n\t            if (node) {\n\t              (0, _jquery2.default)(node).removeClass(removedRowHash[columnId]);\n\t            }\n\t          }\n\t        }\n\t      }\n\t\n\t      if (addedRowHash) {\n\t        for (columnId in addedRowHash) {\n\t          if (!removedRowHash || removedRowHash[columnId] != addedRowHash[columnId]) {\n\t            node = getCellNode(row, getColumnIndex(columnId));\n\t            if (node) {\n\t              (0, _jquery2.default)(node).addClass(addedRowHash[columnId]);\n\t            }\n\t          }\n\t        }\n\t      }\n\t    }\n\t  }\n\t\n\t  function addCellCssStyles(key, hash) {\n\t    if (cellCssClasses[key]) {\n\t      throw \"addCellCssStyles: cell CSS hash with key '\" + key + \"' already exists.\";\n\t    }\n\t\n\t    cellCssClasses[key] = hash;\n\t    updateCellCssStylesOnRenderedRows(hash, null);\n\t\n\t    trigger(self.onCellCssStylesChanged, {\n\t      \"key\": key,\n\t      \"hash\": hash\n\t    });\n\t  }\n\t\n\t  function removeCellCssStyles(key) {\n\t    if (!cellCssClasses[key]) {\n\t      return;\n\t    }\n\t\n\t    updateCellCssStylesOnRenderedRows(null, cellCssClasses[key]);\n\t    delete cellCssClasses[key];\n\t\n\t    trigger(self.onCellCssStylesChanged, {\n\t      \"key\": key,\n\t      \"hash\": null\n\t    });\n\t  }\n\t\n\t  function setCellCssStyles(key, hash) {\n\t    var prevHash = cellCssClasses[key];\n\t\n\t    cellCssClasses[key] = hash;\n\t    updateCellCssStylesOnRenderedRows(hash, prevHash);\n\t\n\t    trigger(self.onCellCssStylesChanged, {\n\t      \"key\": key,\n\t      \"hash\": hash\n\t    });\n\t  }\n\t\n\t  function getCellCssStyles(key) {\n\t    return cellCssClasses[key];\n\t  }\n\t\n\t  function flashCell(row, cell, speed) {\n\t    speed = speed || 100;\n\t    if (rowsCache[row]) {\n\t      var toggleCellClass = function toggleCellClass(times) {\n\t        if (!times) {\n\t          return;\n\t        }\n\t        setTimeout(function () {\n\t          $cell.queue(function () {\n\t            $cell.toggleClass(options.cellFlashingCssClass).dequeue();\n\t            toggleCellClass(times - 1);\n\t          });\n\t        }, speed);\n\t      };\n\t\n\t      var $cell = (0, _jquery2.default)(getCellNode(row, cell));\n\t\n\t      toggleCellClass(4);\n\t    }\n\t  }\n\t\n\t  //////////////////////////////////////////////////////////////////////////////////////////////\n\t  // Interactivity\n\t\n\t  function handleDragInit(e, dd) {\n\t    var cell = getCellFromEvent(e);\n\t    if (!cell || !cellExists(cell.row, cell.cell)) {\n\t      return false;\n\t    }\n\t\n\t    var retval = trigger(self.onDragInit, dd, e);\n\t    if (e.isImmediatePropagationStopped()) {\n\t      return retval;\n\t    }\n\t\n\t    // if nobody claims to be handling drag'n'drop by stopping immediate propagation,\n\t    // cancel out of it\n\t    return false;\n\t  }\n\t\n\t  function handleDragStart(interactEvent) {\n\t    var event = _jquery2.default.Event(interactEvent.originalEvent.type, interactEvent.originalEvent);\n\t    var cell = getCellFromEvent(event);\n\t    if (!cell || !cellExists(cell.row, cell.cell)) {\n\t      return false;\n\t    }\n\t\n\t    var retval = trigger(self.onDragStart, interactEvent, event);\n\t    if (event.isImmediatePropagationStopped()) {\n\t      return retval;\n\t    }\n\t\n\t    return false;\n\t  }\n\t\n\t  function handleDrag(interactEvent) {\n\t    var event = _jquery2.default.Event(interactEvent.originalEvent.type, interactEvent.originalEvent);\n\t    return trigger(self.onDrag, interactEvent, event);\n\t  }\n\t\n\t  function handleDragEnd(interactEvent) {\n\t    trigger(self.onDragEnd, interactEvent, _jquery2.default.Event('mousedown'));\n\t  }\n\t\n\t  function handleKeyDown(e) {\n\t    trigger(self.onKeyDown, {\n\t      row: activeRow,\n\t      cell: activeCell\n\t    }, e);\n\t    var handled = e.isImmediatePropagationStopped();\n\t\n\t    if (!handled) {\n\t      if (!e.shiftKey && !e.altKey && !e.ctrlKey) {\n\t        if (e.which == 27) {\n\t          if (!getEditorLock().isActive()) {\n\t            return; // no editing mode to cancel, allow bubbling and default processing (exit without cancelling the event)\n\t          }\n\t          cancelEditAndSetFocus();\n\t        } else if (e.which == 34) {\n\t          navigatePageDown();\n\t          handled = true;\n\t        } else if (e.which == 33) {\n\t          navigatePageUp();\n\t          handled = true;\n\t        } else if (e.which == 37) {\n\t          handled = navigateLeft();\n\t        } else if (e.which == 39) {\n\t          handled = navigateRight();\n\t        } else if (e.which == 38) {\n\t          handled = navigateUp();\n\t        } else if (e.which == 40) {\n\t          handled = navigateDown();\n\t        } else if (e.which == 9) {\n\t          handled = navigateNext();\n\t        } else if (e.which == 13) {\n\t          if (options.editable) {\n\t            if (currentEditor) {\n\t              // adding new row\n\t              if (activeRow === getDataLength()) {\n\t                navigateDown();\n\t              } else {\n\t                commitEditAndSetFocus();\n\t              }\n\t            } else {\n\t              if (getEditorLock().commitCurrentEdit()) {\n\t                makeActiveCellEditable();\n\t              }\n\t            }\n\t          }\n\t          handled = true;\n\t        }\n\t      } else if (e.which == 9 && e.shiftKey && !e.ctrlKey && !e.altKey) {\n\t        handled = navigatePrev();\n\t      }\n\t    }\n\t\n\t    if (handled) {\n\t      // the event has been handled so don't let parent element (bubbling/propagation) or browser (default) handle it\n\t      e.stopPropagation();\n\t      e.preventDefault();\n\t      try {\n\t        e.originalEvent.keyCode = 0; // prevent default behaviour for special keys in IE browsers (F3, F5, etc.)\n\t      }\n\t      // ignore exceptions - setting the original event's keycode throws access denied exception for \"Ctrl\"\n\t      // (hitting control key only, nothing else), \"Shift\" (maybe others)\n\t      catch (error) {}\n\t    }\n\t  }\n\t\n\t  function handleClick(e) {\n\t    if (!currentEditor) {\n\t      // if this click resulted in some cell child node getting focus,\n\t      // don't steal it back - keyboard events will still bubble up\n\t      // IE9+ seems to default DIVs to tabIndex=0 instead of -1, so check for cell clicks directly.\n\t      if (e.target != document.activeElement || (0, _jquery2.default)(e.target).hasClass(\"slick-cell\")) {\n\t        setFocus();\n\t      }\n\t    }\n\t\n\t    var cell = getCellFromEvent(e);\n\t    if (!cell || currentEditor !== null && activeRow == cell.row && activeCell == cell.cell) {\n\t      return;\n\t    }\n\t\n\t    trigger(self.onClick, {\n\t      row: cell.row,\n\t      cell: cell.cell\n\t    }, e);\n\t    if (e.isImmediatePropagationStopped()) {\n\t      return;\n\t    }\n\t\n\t    if ((activeCell != cell.cell || activeRow != cell.row) && canCellBeActive(cell.row, cell.cell)) {\n\t      if (!getEditorLock().isActive() || getEditorLock().commitCurrentEdit()) {\n\t\n\t        scrollRowIntoView(cell.row, false);\n\t        setActiveCellInternal(getCellNode(cell.row, cell.cell));\n\t      }\n\t    }\n\t  }\n\t\n\t  function handleContextMenu(e) {\n\t    var $cell = (0, _jquery2.default)(e.target).closest(\".slick-cell\", $canvas);\n\t    if ($cell.length === 0) {\n\t      return;\n\t    }\n\t\n\t    // are we editing this cell?\n\t    if (activeCellNode === $cell[0] && currentEditor !== null) {\n\t      return;\n\t    }\n\t\n\t    trigger(self.onContextMenu, {}, e);\n\t  }\n\t\n\t  function handleDblClick(e) {\n\t    var cell = getCellFromEvent(e);\n\t    if (!cell || currentEditor !== null && activeRow == cell.row && activeCell == cell.cell) {\n\t      return;\n\t    }\n\t\n\t    trigger(self.onDblClick, {\n\t      row: cell.row,\n\t      cell: cell.cell\n\t    }, e);\n\t    if (e.isImmediatePropagationStopped()) {\n\t      return;\n\t    }\n\t\n\t    if (options.editable) {\n\t      gotoCell(cell.row, cell.cell, true);\n\t    }\n\t  }\n\t\n\t  function handleHeaderMouseEnter(e) {\n\t    trigger(self.onHeaderMouseEnter, {\n\t      \"column\": (0, _jquery2.default)(this).data(\"column\")\n\t    }, e);\n\t  }\n\t\n\t  function handleHeaderMouseLeave(e) {\n\t    trigger(self.onHeaderMouseLeave, {\n\t      \"column\": (0, _jquery2.default)(this).data(\"column\")\n\t    }, e);\n\t  }\n\t\n\t  function handleHeaderContextMenu(e) {\n\t    var $header = (0, _jquery2.default)(e.target).closest(\".slick-header-column\", \".slick-header-columns\");\n\t    var column = $header && $header.data(\"column\");\n\t    trigger(self.onHeaderContextMenu, {\n\t      column: column\n\t    }, e);\n\t  }\n\t\n\t  function handleHeaderClick(e) {\n\t    var $header = (0, _jquery2.default)(e.target).closest(\".slick-header-column\", \".slick-header-columns\");\n\t    var column = $header && $header.data(\"column\");\n\t    if (column) {\n\t      trigger(self.onHeaderClick, {\n\t        column: column\n\t      }, e);\n\t    }\n\t  }\n\t\n\t  function handleMouseEnter(e) {\n\t    trigger(self.onMouseEnter, {}, e);\n\t  }\n\t\n\t  function handleMouseLeave(e) {\n\t    trigger(self.onMouseLeave, {}, e);\n\t  }\n\t\n\t  function cellExists(row, cell) {\n\t    return !(row < 0 || row >= getDataLength() || cell < 0 || cell >= columns.length);\n\t  }\n\t\n\t  function getCellFromPoint(x, y) {\n\t    var row = getRowFromPosition(y);\n\t    var cell = 0;\n\t\n\t    var w = 0;\n\t    for (var i = 0; i < columns.length && w < x; i++) {\n\t      w += columns[i].width;\n\t      cell++;\n\t    }\n\t\n\t    if (cell < 0) {\n\t      cell = 0;\n\t    }\n\t\n\t    return {\n\t      row: row,\n\t      cell: cell - 1\n\t    };\n\t  }\n\t\n\t  function getCellFromNode(cellNode) {\n\t    // read column number from .l<columnNumber> CSS class\n\t    var cls = /l\\d+/.exec(cellNode.className);\n\t    if (!cls) {\n\t      throw \"getCellFromNode: cannot get cell - \" + cellNode.className;\n\t    }\n\t    return parseInt(cls[0].substr(1, cls[0].length - 1), 10);\n\t  }\n\t\n\t  function getRowFromNode(rowNode) {\n\t    for (var row in rowsCache) {\n\t      for (var i in rowsCache[row].rowNode) {\n\t        if (rowsCache[row].rowNode[i] === rowNode) return row | 0;\n\t      }\n\t    }return null;\n\t  }\n\t\n\t  function getFrozenRowOffset(row) {\n\t    var offset = hasFrozenRows ? options.frozenBottom ? row >= actualFrozenRow ? h < viewportTopH ? actualFrozenRow * options.rowHeight : h : 0 : row >= actualFrozenRow ? frozenRowsHeight : 0 : 0;\n\t\n\t    return offset;\n\t  }\n\t\n\t  function getCellFromEvent(e) {\n\t    var row, cell;\n\t    var $cell = (0, _jquery2.default)(e.target).closest(\".slick-cell\", $canvas);\n\t    if (!$cell.length) {\n\t      return null;\n\t    }\n\t\n\t    row = getRowFromNode($cell[0].parentNode);\n\t\n\t    if (hasFrozenRows) {\n\t\n\t      var c = $cell.parents('.grid-canvas').offset();\n\t\n\t      var rowOffset = 0;\n\t      var isBottom = $cell.parents('.grid-canvas-bottom').length;\n\t\n\t      if (isBottom) {\n\t        rowOffset = options.frozenBottom ? $canvasTopL.height() : frozenRowsHeight;\n\t      }\n\t\n\t      row = getCellFromPoint(e.clientX - c.left, e.clientY - c.top + rowOffset + (0, _jquery2.default)(document).scrollTop()).row;\n\t    }\n\t\n\t    cell = getCellFromNode($cell[0]);\n\t\n\t    if (row == null || cell == null) {\n\t      return null;\n\t    } else {\n\t      return {\n\t        \"row\": row,\n\t        \"cell\": cell\n\t      };\n\t    }\n\t  }\n\t\n\t  function getCellNodeBox(row, cell) {\n\t    if (!cellExists(row, cell)) {\n\t      return null;\n\t    }\n\t\n\t    var frozenRowOffset = getFrozenRowOffset(row);\n\t\n\t    var y1 = getRowTop(row) - frozenRowOffset;\n\t    var y2 = y1 + options.rowHeight - 1;\n\t    var x1 = 0;\n\t    for (var i = 0; i < cell; i++) {\n\t      x1 += columns[i].width;\n\t\n\t      if (options.frozenColumn == i) {\n\t        x1 = 0;\n\t      }\n\t    }\n\t    var x2 = x1 + columns[cell].width;\n\t\n\t    return {\n\t      top: y1,\n\t      left: x1,\n\t      bottom: y2,\n\t      right: x2\n\t    };\n\t  }\n\t\n\t  //////////////////////////////////////////////////////////////////////////////////////////////\n\t  // Cell switching\n\t\n\t  function resetActiveCell() {\n\t    setActiveCellInternal(null, false);\n\t  }\n\t\n\t  function setFocus() {\n\t    if (tabbingDirection == -1) {\n\t      $focusSink[0].focus();\n\t    } else {\n\t      $focusSink2[0].focus();\n\t    }\n\t  }\n\t\n\t  function scrollCellIntoView(row, cell, doPaging) {\n\t    // Don't scroll to frozen cells\n\t    if (cell <= options.frozenColumn) {\n\t      return;\n\t    }\n\t\n\t    if (row < actualFrozenRow) {\n\t      scrollRowIntoView(row, doPaging);\n\t    }\n\t\n\t    var colspan = getColspan(row, cell);\n\t    var left = columnPosLeft[cell],\n\t        right = columnPosRight[cell + (colspan > 1 ? colspan - 1 : 0)],\n\t        scrollRight = scrollLeft + $viewportScrollContainerX.width();\n\t\n\t    if (left < scrollLeft) {\n\t      $viewportScrollContainerX.scrollLeft(left);\n\t      handleScroll();\n\t      render();\n\t    } else if (right > scrollRight) {\n\t      $viewportScrollContainerX.scrollLeft(Math.min(left, right - $viewportScrollContainerX[0].clientWidth));\n\t      handleScroll();\n\t      render();\n\t    }\n\t  }\n\t\n\t  function setActiveCellInternal(newCell, opt_editMode) {\n\t    if (activeCellNode !== null) {\n\t      makeActiveCellNormal();\n\t      (0, _jquery2.default)(activeCellNode).removeClass(\"active\");\n\t      if (rowsCache[activeRow]) {\n\t        (0, _jquery2.default)(rowsCache[activeRow].rowNode).removeClass(\"active\");\n\t      }\n\t    }\n\t\n\t    var activeCellChanged = activeCellNode !== newCell;\n\t    activeCellNode = newCell;\n\t\n\t    if (activeCellNode != null) {\n\t      var $activeCellNode = (0, _jquery2.default)(activeCellNode);\n\t      var $activeCellOffset = $activeCellNode.offset();\n\t\n\t      var rowOffset = Math.floor($activeCellNode.parents('.grid-canvas').offset().top);\n\t      var isBottom = $activeCellNode.parents('.grid-canvas-bottom').length;\n\t\n\t      if (hasFrozenRows && isBottom) {\n\t        rowOffset -= options.frozenBottom ? $canvasTopL.height() : frozenRowsHeight;\n\t      }\n\t\n\t      var cell = getCellFromPoint($activeCellOffset.left, Math.ceil($activeCellOffset.top) - rowOffset);\n\t\n\t      activeRow = cell.row;\n\t      activeCell = activePosX = activeCell = activePosX = getCellFromNode(activeCellNode[0]);\n\t\n\t      $activeCellNode.addClass(\"active\");\n\t      if (rowsCache[activeRow]) {\n\t        (0, _jquery2.default)(rowsCache[activeRow].rowNode).addClass('active');\n\t      }\n\t\n\t      if (opt_editMode == null) {\n\t        opt_editMode = activeRow == getDataLength() || options.autoEdit;\n\t      }\n\t\n\t      if (options.editable && opt_editMode && isCellPotentiallyEditable(activeRow, activeCell)) {\n\t        clearTimeout(h_editorLoader);\n\t\n\t        if (options.asyncEditorLoading) {\n\t          h_editorLoader = setTimeout(function () {\n\t            makeActiveCellEditable();\n\t          }, options.asyncEditorLoadDelay);\n\t        } else {\n\t          makeActiveCellEditable();\n\t        }\n\t      }\n\t    } else {\n\t      activeRow = activeCell = null;\n\t    }\n\t\n\t    if (activeCellChanged) {\n\t      setTimeout(scrollActiveCellIntoView, 50);\n\t      trigger(self.onActiveCellChanged, getActiveCell());\n\t    }\n\t  }\n\t\n\t  function clearTextSelection() {\n\t    if (document.selection && document.selection.empty) {\n\t      try {\n\t        //IE fails here if selected element is not in dom\n\t        document.selection.empty();\n\t      } catch (e) {}\n\t    } else if (window.getSelection) {\n\t      var sel = window.getSelection();\n\t      if (sel && sel.removeAllRanges) {\n\t        sel.removeAllRanges();\n\t      }\n\t    }\n\t  }\n\t\n\t  function isCellPotentiallyEditable(row, cell) {\n\t    var dataLength = getDataLength();\n\t    // is the data for this row loaded?\n\t    if (row < dataLength && !getDataItem(row)) {\n\t      return false;\n\t    }\n\t\n\t    // are we in the Add New row?  can we create new from this cell?\n\t    if (columns[cell].cannotTriggerInsert && row >= dataLength) {\n\t      return false;\n\t    }\n\t\n\t    // does this cell have an editor?\n\t    if (!getEditor(row, cell)) {\n\t      return false;\n\t    }\n\t\n\t    return true;\n\t  }\n\t\n\t  function makeActiveCellNormal() {\n\t    if (!currentEditor) {\n\t      return;\n\t    }\n\t    trigger(self.onBeforeCellEditorDestroy, {\n\t      editor: currentEditor\n\t    });\n\t    currentEditor.destroy();\n\t    currentEditor = null;\n\t\n\t    if (activeCellNode) {\n\t      var d = getDataItem(activeRow);\n\t      (0, _jquery2.default)(activeCellNode).removeClass(\"editable invalid\");\n\t      if (d) {\n\t        var column = columns[activeCell];\n\t        activeCellNode[0].innerHTML = callFormatter(activeRow, activeCell, getDataItemValueForColumn(d, column), column, d);\n\t        invalidatePostProcessingResults(activeRow);\n\t      }\n\t    }\n\t\n\t    // if there previously was text selected on a page (such as selected text in the edit cell just removed),\n\t    // IE can't set focus to anything else correctly\n\t    if (navigator.userAgent.toLowerCase().match(/msie/)) {\n\t      clearTextSelection();\n\t    }\n\t\n\t    getEditorLock().deactivate(editController);\n\t  }\n\t\n\t  function makeActiveCellEditable(editor) {\n\t    if (!activeCellNode) {\n\t      return;\n\t    }\n\t    if (!options.editable) {\n\t      throw \"Grid : makeActiveCellEditable : should never get called when options.editable is false\";\n\t    }\n\t\n\t    // cancel pending async call if there is one\n\t    clearTimeout(h_editorLoader);\n\t\n\t    if (!isCellPotentiallyEditable(activeRow, activeCell)) {\n\t      return;\n\t    }\n\t\n\t    var columnDef = columns[activeCell];\n\t    var item = getDataItem(activeRow);\n\t\n\t    if (trigger(self.onBeforeEditCell, {\n\t      row: activeRow,\n\t      cell: activeCell,\n\t      item: item,\n\t      column: columnDef\n\t    }) === false) {\n\t      setFocus();\n\t      return;\n\t    }\n\t\n\t    getEditorLock().activate(editController);\n\t    (0, _jquery2.default)(activeCellNode).addClass(\"editable\");\n\t\n\t    // don't clear the cell if a custom editor is passed through\n\t    if (!editor) {\n\t      activeCellNode[0].innerHTML = \"\";\n\t    }\n\t\n\t    currentEditor = new (editor || getEditor(activeRow, activeCell))({\n\t      grid: self,\n\t      gridPosition: absBox($container[0]),\n\t      position: absBox(activeCellNode[0]),\n\t      container: activeCellNode,\n\t      column: columnDef,\n\t      item: item || {},\n\t      commitChanges: commitEditAndSetFocus,\n\t      cancelChanges: cancelEditAndSetFocus\n\t    });\n\t\n\t    if (item) {\n\t      currentEditor.loadValue(item);\n\t    }\n\t\n\t    serializedEditorValue = currentEditor.serializeValue();\n\t\n\t    if (currentEditor.position) {\n\t      handleActiveCellPositionChange();\n\t    }\n\t  }\n\t\n\t  function commitEditAndSetFocus() {\n\t    // if the commit fails, it would do so due to a validation error\n\t    // if so, do not steal the focus from the editor\n\t    if (getEditorLock().commitCurrentEdit()) {\n\t      setFocus();\n\t      if (options.autoEdit) {\n\t        navigateDown();\n\t      }\n\t    }\n\t  }\n\t\n\t  function cancelEditAndSetFocus() {\n\t    if (getEditorLock().cancelCurrentEdit()) {\n\t      setFocus();\n\t    }\n\t  }\n\t\n\t  function absBox(elem) {\n\t    var box = {\n\t      top: elem.offsetTop,\n\t      left: elem.offsetLeft,\n\t      bottom: 0,\n\t      right: 0,\n\t      width: (0, _jquery2.default)(elem).outerWidth(),\n\t      height: (0, _jquery2.default)(elem).outerHeight(),\n\t      visible: true\n\t    };\n\t    box.bottom = box.top + box.height;\n\t    box.right = box.left + box.width;\n\t\n\t    // walk up the tree\n\t    var offsetParent = elem.offsetParent;\n\t    while ((elem = elem.parentNode) != document.body) {\n\t      if (box.visible && elem.scrollHeight != elem.offsetHeight && (0, _jquery2.default)(elem).css(\"overflowY\") != \"visible\") {\n\t        box.visible = box.bottom > elem.scrollTop && box.top < elem.scrollTop + elem.clientHeight;\n\t      }\n\t\n\t      if (box.visible && elem.scrollWidth != elem.offsetWidth && (0, _jquery2.default)(elem).css(\"overflowX\") != \"visible\") {\n\t        box.visible = box.right > elem.scrollLeft && box.left < elem.scrollLeft + elem.clientWidth;\n\t      }\n\t\n\t      box.left -= elem.scrollLeft;\n\t      box.top -= elem.scrollTop;\n\t\n\t      if (elem === offsetParent) {\n\t        box.left += elem.offsetLeft;\n\t        box.top += elem.offsetTop;\n\t        offsetParent = elem.offsetParent;\n\t      }\n\t\n\t      box.bottom = box.top + box.height;\n\t      box.right = box.left + box.width;\n\t    }\n\t\n\t    return box;\n\t  }\n\t\n\t  function getActiveCellPosition() {\n\t    return absBox(activeCellNode[0]);\n\t  }\n\t\n\t  function getGridPosition() {\n\t    return absBox($container[0]);\n\t  }\n\t\n\t  function handleActiveCellPositionChange() {\n\t    if (!activeCellNode) {\n\t      return;\n\t    }\n\t\n\t    trigger(self.onActiveCellPositionChanged, {});\n\t\n\t    if (currentEditor) {\n\t      var cellBox = getActiveCellPosition();\n\t      if (currentEditor.show && currentEditor.hide) {\n\t        if (!cellBox.visible) {\n\t          currentEditor.hide();\n\t        } else {\n\t          currentEditor.show();\n\t        }\n\t      }\n\t\n\t      if (currentEditor.position) {\n\t        currentEditor.position(cellBox);\n\t      }\n\t    }\n\t  }\n\t\n\t  function getCellEditor() {\n\t    return currentEditor;\n\t  }\n\t\n\t  function getActiveCell() {\n\t    if (!activeCellNode) {\n\t      return null;\n\t    } else {\n\t      return {\n\t        row: activeRow,\n\t        cell: activeCell\n\t      };\n\t    }\n\t  }\n\t\n\t  function getActiveCellNode() {\n\t    return activeCellNode;\n\t  }\n\t\n\t  function scrollActiveCellIntoView() {\n\t    if (activeRow != null && activeCell != null) {\n\t      scrollCellIntoView(activeRow, activeCell);\n\t    }\n\t  }\n\t\n\t  function scrollRowIntoView(row, doPaging) {\n\t\n\t    if (!hasFrozenRows || !options.frozenBottom && row > actualFrozenRow - 1 || options.frozenBottom && row < actualFrozenRow - 1) {\n\t\n\t      var viewportScrollH = $viewportScrollContainerY.height();\n\t\n\t      var rowAtTop = row * options.rowHeight;\n\t      var rowAtBottom = (row + 1) * options.rowHeight - viewportScrollH + (viewportHasHScroll ? scrollbarDimensions.height : 0);\n\t\n\t      // need to page down?\n\t      if ((row + 1) * options.rowHeight > scrollTop + viewportScrollH + offset) {\n\t        scrollTo(doPaging ? rowAtTop : rowAtBottom);\n\t        render();\n\t      }\n\t      // or page up?\n\t      else if (row * options.rowHeight < scrollTop + offset) {\n\t          scrollTo(doPaging ? rowAtBottom : rowAtTop);\n\t          render();\n\t        }\n\t    }\n\t  }\n\t\n\t  function scrollRowToTop(row) {\n\t    scrollTo(row * options.rowHeight);\n\t    render();\n\t  }\n\t\n\t  function scrollPage(dir) {\n\t    var deltaRows = dir * numVisibleRows;\n\t    scrollTo((getRowFromPosition(scrollTop) + deltaRows) * options.rowHeight);\n\t    render();\n\t\n\t    if (options.enableCellNavigation && activeRow != null) {\n\t      var row = activeRow + deltaRows;\n\t      var dataLengthIncludingAddNew = getDataLengthIncludingAddNew();\n\t      if (row >= dataLengthIncludingAddNew) {\n\t        row = dataLengthIncludingAddNew - 1;\n\t      }\n\t      if (row < 0) {\n\t        row = 0;\n\t      }\n\t\n\t      var cell = 0,\n\t          prevCell = null;\n\t      var prevActivePosX = activePosX;\n\t      while (cell <= activePosX) {\n\t        if (canCellBeActive(row, cell)) {\n\t          prevCell = cell;\n\t        }\n\t        cell += getColspan(row, cell);\n\t      }\n\t\n\t      if (prevCell !== null) {\n\t        setActiveCellInternal(getCellNode(row, prevCell));\n\t        activePosX = prevActivePosX;\n\t      } else {\n\t        resetActiveCell();\n\t      }\n\t    }\n\t  }\n\t\n\t  function navigatePageDown() {\n\t    scrollPage(1);\n\t  }\n\t\n\t  function navigatePageUp() {\n\t    scrollPage(-1);\n\t  }\n\t\n\t  function getColspan(row, cell) {\n\t    var metadata = data.getItemMetadata && data.getItemMetadata(row);\n\t    if (!metadata || !metadata.columns) {\n\t      return 1;\n\t    }\n\t\n\t    var columnData = columns[cell] && (metadata.columns[columns[cell].id] || metadata.columns[cell]);\n\t    var colspan = columnData && columnData.colspan;\n\t    if (colspan === \"*\") {\n\t      colspan = columns.length - cell;\n\t    } else {\n\t      colspan = colspan || 1;\n\t    }\n\t\n\t    return colspan;\n\t  }\n\t\n\t  function findFirstFocusableCell(row) {\n\t    var cell = 0;\n\t    while (cell < columns.length) {\n\t      if (canCellBeActive(row, cell)) {\n\t        return cell;\n\t      }\n\t      cell += getColspan(row, cell);\n\t    }\n\t    return null;\n\t  }\n\t\n\t  function findLastFocusableCell(row) {\n\t    var cell = 0;\n\t    var lastFocusableCell = null;\n\t    while (cell < columns.length) {\n\t      if (canCellBeActive(row, cell)) {\n\t        lastFocusableCell = cell;\n\t      }\n\t      cell += getColspan(row, cell);\n\t    }\n\t    return lastFocusableCell;\n\t  }\n\t\n\t  function gotoRight(row, cell, posX) {\n\t    if (cell >= columns.length) {\n\t      return null;\n\t    }\n\t\n\t    do {\n\t      cell += getColspan(row, cell);\n\t    } while (cell < columns.length && !canCellBeActive(row, cell));\n\t\n\t    if (cell < columns.length) {\n\t      return {\n\t        \"row\": row,\n\t        \"cell\": cell,\n\t        \"posX\": cell\n\t      };\n\t    }\n\t    return null;\n\t  }\n\t\n\t  function gotoLeft(row, cell, posX) {\n\t    if (cell <= 0) {\n\t      return null;\n\t    }\n\t\n\t    var firstFocusableCell = findFirstFocusableCell(row);\n\t    if (firstFocusableCell === null || firstFocusableCell >= cell) {\n\t      return null;\n\t    }\n\t\n\t    var prev = {\n\t      \"row\": row,\n\t      \"cell\": firstFocusableCell,\n\t      \"posX\": firstFocusableCell\n\t    };\n\t    var pos;\n\t    while (true) {\n\t      pos = gotoRight(prev.row, prev.cell, prev.posX);\n\t      if (!pos) {\n\t        return null;\n\t      }\n\t      if (pos.cell >= cell) {\n\t        return prev;\n\t      }\n\t      prev = pos;\n\t    }\n\t  }\n\t\n\t  function gotoDown(row, cell, posX) {\n\t    var prevCell;\n\t    var dataLengthIncludingAddNew = getDataLengthIncludingAddNew();\n\t    while (true) {\n\t      if (++row >= dataLengthIncludingAddNew) {\n\t        return null;\n\t      }\n\t\n\t      prevCell = cell = 0;\n\t      while (cell <= posX) {\n\t        prevCell = cell;\n\t        cell += getColspan(row, cell);\n\t      }\n\t\n\t      if (canCellBeActive(row, prevCell)) {\n\t        return {\n\t          \"row\": row,\n\t          \"cell\": prevCell,\n\t          \"posX\": posX\n\t        };\n\t      }\n\t    }\n\t  }\n\t\n\t  function gotoUp(row, cell, posX) {\n\t    var prevCell;\n\t    while (true) {\n\t      if (--row < 0) {\n\t        return null;\n\t      }\n\t\n\t      prevCell = cell = 0;\n\t      while (cell <= posX) {\n\t        prevCell = cell;\n\t        cell += getColspan(row, cell);\n\t      }\n\t\n\t      if (canCellBeActive(row, prevCell)) {\n\t        return {\n\t          \"row\": row,\n\t          \"cell\": prevCell,\n\t          \"posX\": posX\n\t        };\n\t      }\n\t    }\n\t  }\n\t\n\t  function gotoNext(row, cell, posX) {\n\t    if (row == null && cell == null) {\n\t      row = cell = posX = 0;\n\t      if (canCellBeActive(row, cell)) {\n\t        return {\n\t          \"row\": row,\n\t          \"cell\": cell,\n\t          \"posX\": cell\n\t        };\n\t      }\n\t    }\n\t\n\t    var pos = gotoRight(row, cell, posX);\n\t    if (pos) {\n\t      return pos;\n\t    }\n\t\n\t    var firstFocusableCell = null;\n\t    var dataLengthIncludingAddNew = getDataLengthIncludingAddNew();\n\t    while (++row < dataLengthIncludingAddNew) {\n\t      firstFocusableCell = findFirstFocusableCell(row);\n\t      if (firstFocusableCell !== null) {\n\t        return {\n\t          \"row\": row,\n\t          \"cell\": firstFocusableCell,\n\t          \"posX\": firstFocusableCell\n\t        };\n\t      }\n\t    }\n\t    return null;\n\t  }\n\t\n\t  function gotoPrev(row, cell, posX) {\n\t    if (row == null && cell == null) {\n\t      row = getDataLengthIncludingAddNew() - 1;\n\t      cell = posX = columns.length - 1;\n\t      if (canCellBeActive(row, cell)) {\n\t        return {\n\t          \"row\": row,\n\t          \"cell\": cell,\n\t          \"posX\": cell\n\t        };\n\t      }\n\t    }\n\t\n\t    var pos;\n\t    var lastSelectableCell;\n\t    while (!pos) {\n\t      pos = gotoLeft(row, cell, posX);\n\t      if (pos) {\n\t        break;\n\t      }\n\t      if (--row < 0) {\n\t        return null;\n\t      }\n\t\n\t      cell = 0;\n\t      lastSelectableCell = findLastFocusableCell(row);\n\t      if (lastSelectableCell !== null) {\n\t        pos = {\n\t          \"row\": row,\n\t          \"cell\": lastSelectableCell,\n\t          \"posX\": lastSelectableCell\n\t        };\n\t      }\n\t    }\n\t    return pos;\n\t  }\n\t\n\t  function navigateRight() {\n\t    return navigate(\"right\");\n\t  }\n\t\n\t  function navigateLeft() {\n\t    return navigate(\"left\");\n\t  }\n\t\n\t  function navigateDown() {\n\t    return navigate(\"down\");\n\t  }\n\t\n\t  function navigateUp() {\n\t    return navigate(\"up\");\n\t  }\n\t\n\t  function navigateNext() {\n\t    return navigate(\"next\");\n\t  }\n\t\n\t  function navigatePrev() {\n\t    return navigate(\"prev\");\n\t  }\n\t\n\t  /**\n\t   * @param {string} dir Navigation direction.\n\t   * @return {boolean} Whether navigation resulted in a change of active cell.\n\t   */\n\t  function navigate(dir) {\n\t    if (!options.enableCellNavigation) {\n\t      return false;\n\t    }\n\t\n\t    if (!activeCellNode && dir != \"prev\" && dir != \"next\") {\n\t      return false;\n\t    }\n\t\n\t    if (!getEditorLock().commitCurrentEdit()) {\n\t      return true;\n\t    }\n\t    setFocus();\n\t\n\t    var tabbingDirections = {\n\t      \"up\": -1,\n\t      \"down\": 1,\n\t      \"left\": -1,\n\t      \"right\": 1,\n\t      \"prev\": -1,\n\t      \"next\": 1\n\t    };\n\t    tabbingDirection = tabbingDirections[dir];\n\t\n\t    var stepFunctions = {\n\t      \"up\": gotoUp,\n\t      \"down\": gotoDown,\n\t      \"left\": gotoLeft,\n\t      \"right\": gotoRight,\n\t      \"prev\": gotoPrev,\n\t      \"next\": gotoNext\n\t    };\n\t    var stepFn = stepFunctions[dir];\n\t    var pos = stepFn(activeRow, activeCell, activePosX);\n\t    if (pos) {\n\t      if (hasFrozenRows && options.frozenBottom & pos.row == getDataLength()) {\n\t        return;\n\t      }\n\t\n\t      var isAddNewRow = pos.row == getDataLength();\n\t\n\t      if (!options.frozenBottom && pos.row >= actualFrozenRow || options.frozenBottom && pos.row < actualFrozenRow) {\n\t        scrollCellIntoView(pos.row, pos.cell, !isAddNewRow);\n\t      }\n\t\n\t      setActiveCellInternal(getCellNode(pos.row, pos.cell));\n\t      activePosX = pos.posX;\n\t      return true;\n\t    } else {\n\t      setActiveCellInternal(getCellNode(activeRow, activeCell));\n\t      return false;\n\t    }\n\t  }\n\t\n\t  function getCellNode(row, cell) {\n\t    if (rowsCache[row]) {\n\t      ensureCellNodesInRowsCache(row);\n\t      return rowsCache[row].cellNodesByColumnIdx[cell];\n\t    }\n\t    return null;\n\t  }\n\t\n\t  function setActiveCell(row, cell) {\n\t    if (!initialized) {\n\t      return;\n\t    }\n\t    if (row > getDataLength() || row < 0 || cell >= columns.length || cell < 0) {\n\t      return;\n\t    }\n\t\n\t    if (!options.enableCellNavigation) {\n\t      return;\n\t    }\n\t\n\t    scrollCellIntoView(row, cell, false);\n\t    setActiveCellInternal(getCellNode(row, cell), false);\n\t  }\n\t\n\t  function canCellBeActive(row, cell) {\n\t    if (!options.enableCellNavigation || row >= getDataLengthIncludingAddNew() || row < 0 || cell >= columns.length || cell < 0) {\n\t      return false;\n\t    }\n\t\n\t    var rowMetadata = data.getItemMetadata && data.getItemMetadata(row);\n\t    if (rowMetadata && typeof rowMetadata.focusable === \"boolean\") {\n\t      return rowMetadata.focusable;\n\t    }\n\t\n\t    var columnMetadata = rowMetadata && rowMetadata.columns;\n\t    if (columnMetadata && columns[cell] && columnMetadata[columns[cell].id] && typeof columnMetadata[columns[cell].id].focusable === \"boolean\") {\n\t      return columnMetadata[columns[cell].id].focusable;\n\t    }\n\t    if (columnMetadata && columnMetadata[cell] && typeof columnMetadata[cell].focusable === \"boolean\") {\n\t      return columnMetadata[cell].focusable;\n\t    }\n\t\n\t    return columns[cell] && columns[cell].focusable;\n\t  }\n\t\n\t  function canCellBeSelected(row, cell) {\n\t    if (row >= getDataLength() || row < 0 || cell >= columns.length || cell < 0) {\n\t      return false;\n\t    }\n\t\n\t    var rowMetadata = data.getItemMetadata && data.getItemMetadata(row);\n\t    if (rowMetadata && typeof rowMetadata.selectable === \"boolean\") {\n\t      return rowMetadata.selectable;\n\t    }\n\t\n\t    var columnMetadata = rowMetadata && rowMetadata.columns && (rowMetadata.columns[columns[cell].id] || rowMetadata.columns[cell]);\n\t    if (columnMetadata && typeof columnMetadata.selectable === \"boolean\") {\n\t      return columnMetadata.selectable;\n\t    }\n\t\n\t    return columns[cell].selectable;\n\t  }\n\t\n\t  function gotoCell(row, cell, forceEdit) {\n\t    if (!initialized) {\n\t      return;\n\t    }\n\t    if (!canCellBeActive(row, cell)) {\n\t      return;\n\t    }\n\t\n\t    if (!getEditorLock().commitCurrentEdit()) {\n\t      return;\n\t    }\n\t\n\t    scrollCellIntoView(row, cell, false);\n\t\n\t    var newCell = getCellNode(row, cell);\n\t\n\t    // if selecting the 'add new' row, start editing right away\n\t    setActiveCellInternal(newCell, forceEdit || row === getDataLength() || options.autoEdit);\n\t\n\t    // if no editor was created, set the focus back on the grid\n\t    if (!currentEditor) {\n\t      setFocus();\n\t    }\n\t  }\n\t\n\t  //////////////////////////////////////////////////////////////////////////////////////////////\n\t  // IEditor implementation for the editor lock\n\t\n\t  function commitCurrentEdit() {\n\t    var item = getDataItem(activeRow);\n\t    var column = columns[activeCell];\n\t\n\t    if (currentEditor) {\n\t      if (currentEditor.isValueChanged()) {\n\t        var validationResults = currentEditor.validate();\n\t\n\t        if (validationResults.valid) {\n\t          if (activeRow < getDataLength()) {\n\t            var editCommand = {\n\t              row: activeRow,\n\t              cell: activeCell,\n\t              editor: currentEditor,\n\t              serializedValue: currentEditor.serializeValue(),\n\t              prevSerializedValue: serializedEditorValue,\n\t              execute: function execute() {\n\t                this.editor.applyValue(item, this.serializedValue);\n\t                updateRow(this.row);\n\t                trigger(self.onCellChange, {\n\t                  row: activeRow,\n\t                  cell: activeCell,\n\t                  item: item\n\t                });\n\t              },\n\t              undo: function undo() {\n\t                this.editor.applyValue(item, this.prevSerializedValue);\n\t                updateRow(this.row);\n\t                trigger(self.onCellChange, {\n\t                  row: activeRow,\n\t                  cell: activeCell,\n\t                  item: item\n\t                });\n\t              }\n\t            };\n\t\n\t            if (options.editCommandHandler) {\n\t              makeActiveCellNormal();\n\t              options.editCommandHandler(item, column, editCommand);\n\t            } else {\n\t              editCommand.execute();\n\t              makeActiveCellNormal();\n\t            }\n\t          } else {\n\t            var newItem = {};\n\t            currentEditor.applyValue(newItem, currentEditor.serializeValue());\n\t            makeActiveCellNormal();\n\t            trigger(self.onAddNewRow, {\n\t              item: newItem,\n\t              column: column\n\t            });\n\t          }\n\t\n\t          // check whether the lock has been re-acquired by event handlers\n\t          return !getEditorLock().isActive();\n\t        } else {\n\t          // Re-add the CSS class to trigger transitions, if any.\n\t          (0, _jquery2.default)(activeCellNode).removeClass(\"invalid\");\n\t          (0, _jquery2.default)(activeCellNode).width(); // force layout\n\t          (0, _jquery2.default)(activeCellNode).addClass(\"invalid\");\n\t\n\t          trigger(self.onValidationError, {\n\t            editor: currentEditor,\n\t            cellNode: activeCellNode,\n\t            validationResults: validationResults,\n\t            row: activeRow,\n\t            cell: activeCell,\n\t            column: column\n\t          });\n\t\n\t          currentEditor.focus();\n\t          return false;\n\t        }\n\t      }\n\t\n\t      makeActiveCellNormal();\n\t    }\n\t    return true;\n\t  }\n\t\n\t  function cancelCurrentEdit() {\n\t    makeActiveCellNormal();\n\t    return true;\n\t  }\n\t\n\t  function rowsToRanges(rows) {\n\t    var ranges = [];\n\t    var lastCell = columns.length - 1;\n\t    for (var i = 0; i < rows.length; i++) {\n\t      ranges.push(new _slick2.default.Range(rows[i], 0, rows[i], lastCell));\n\t    }\n\t    return ranges;\n\t  }\n\t\n\t  function getSelectedRows() {\n\t    if (!selectionModel) {\n\t      throw \"Selection model is not set\";\n\t    }\n\t    return selectedRows;\n\t  }\n\t\n\t  function setSelectedRows(rows) {\n\t    if (!selectionModel) {\n\t      throw \"Selection model is not set\";\n\t    }\n\t    selectionModel.setSelectedRanges(rowsToRanges(rows));\n\t  }\n\t\n\t  //////////////////////////////////////////////////////////////////////////////////////////////\n\t  // Debug\n\t\n\t  this.debug = function () {\n\t    var s = \"\";\n\t\n\t    s += \"\\n\" + \"counter_rows_rendered:  \" + counter_rows_rendered;\n\t    s += \"\\n\" + \"counter_rows_removed:  \" + counter_rows_removed;\n\t    s += \"\\n\" + \"renderedRows:  \" + renderedRows;\n\t    s += \"\\n\" + \"numVisibleRows:  \" + numVisibleRows;\n\t    s += \"\\n\" + \"maxSupportedCssHeight:  \" + maxSupportedCssHeight;\n\t    s += \"\\n\" + \"n(umber of pages):  \" + n;\n\t    s += \"\\n\" + \"(current) page:  \" + page;\n\t    s += \"\\n\" + \"page height (ph):  \" + ph;\n\t    s += \"\\n\" + \"vScrollDir:  \" + vScrollDir;\n\t\n\t    alert(s);\n\t  };\n\t\n\t  // a debug helper to be able to access private members\n\t  this.eval = function (expr) {\n\t    return eval(expr);\n\t  };\n\t\n\t  //////////////////////////////////////////////////////////////////////////////////////////////\n\t  // Public API\n\t\n\t  _jquery2.default.extend(this, {\n\t    \"slickGridVersion\": \"2.1\",\n\t\n\t    // Events\n\t    \"onScroll\": new _slick2.default.Event(),\n\t    \"onSort\": new _slick2.default.Event(),\n\t    \"onHeaderMouseEnter\": new _slick2.default.Event(),\n\t    \"onHeaderMouseLeave\": new _slick2.default.Event(),\n\t    \"onHeaderContextMenu\": new _slick2.default.Event(),\n\t    \"onHeaderClick\": new _slick2.default.Event(),\n\t    \"onHeaderCellRendered\": new _slick2.default.Event(),\n\t    \"onBeforeHeaderCellDestroy\": new _slick2.default.Event(),\n\t    \"onHeaderRowCellRendered\": new _slick2.default.Event(),\n\t    \"onFooterRowCellRendered\": new _slick2.default.Event(),\n\t    \"onBeforeHeaderRowCellDestroy\": new _slick2.default.Event(),\n\t    \"onBeforeFooterRowCellDestroy\": new _slick2.default.Event(),\n\t    \"onMouseEnter\": new _slick2.default.Event(),\n\t    \"onMouseLeave\": new _slick2.default.Event(),\n\t    \"onClick\": new _slick2.default.Event(),\n\t    \"onDblClick\": new _slick2.default.Event(),\n\t    \"onContextMenu\": new _slick2.default.Event(),\n\t    \"onKeyDown\": new _slick2.default.Event(),\n\t    \"onAddNewRow\": new _slick2.default.Event(),\n\t    \"onValidationError\": new _slick2.default.Event(),\n\t    \"onViewportChanged\": new _slick2.default.Event(),\n\t    \"onColumnsReordered\": new _slick2.default.Event(),\n\t    \"onColumnsResized\": new _slick2.default.Event(),\n\t    \"onCellChange\": new _slick2.default.Event(),\n\t    \"onBeforeEditCell\": new _slick2.default.Event(),\n\t    \"onBeforeCellEditorDestroy\": new _slick2.default.Event(),\n\t    \"onBeforeDestroy\": new _slick2.default.Event(),\n\t    \"onActiveCellChanged\": new _slick2.default.Event(),\n\t    \"onActiveCellPositionChanged\": new _slick2.default.Event(),\n\t    \"onDragInit\": new _slick2.default.Event(),\n\t    \"onDragStart\": new _slick2.default.Event(),\n\t    \"onDrag\": new _slick2.default.Event(),\n\t    \"onDragEnd\": new _slick2.default.Event(),\n\t    \"onSelectedRowsChanged\": new _slick2.default.Event(),\n\t    \"onCellCssStylesChanged\": new _slick2.default.Event(),\n\t\n\t    // Methods\n\t    \"registerPlugin\": registerPlugin,\n\t    \"unregisterPlugin\": unregisterPlugin,\n\t    \"getColumns\": getColumns,\n\t    \"setColumns\": setColumns,\n\t    \"getColumnIndex\": getColumnIndex,\n\t    \"updateColumnHeader\": updateColumnHeader,\n\t    \"setSortColumn\": setSortColumn,\n\t    \"setSortColumns\": setSortColumns,\n\t    \"getSortColumns\": getSortColumns,\n\t    \"autosizeColumns\": autosizeColumns,\n\t    \"getOptions\": getOptions,\n\t    \"setOptions\": setOptions,\n\t    \"getData\": getData,\n\t    \"getDataLength\": getDataLength,\n\t    \"getDataItem\": getDataItem,\n\t    \"setData\": setData,\n\t    \"getSelectionModel\": getSelectionModel,\n\t    \"setSelectionModel\": setSelectionModel,\n\t    \"getSelectedRows\": getSelectedRows,\n\t    \"setSelectedRows\": setSelectedRows,\n\t    \"getContainerNode\": getContainerNode,\n\t\n\t    \"render\": render,\n\t    \"invalidate\": invalidate,\n\t    \"invalidateRow\": invalidateRow,\n\t    \"invalidateRows\": invalidateRows,\n\t    \"invalidateAllRows\": invalidateAllRows,\n\t    \"updateCell\": updateCell,\n\t    \"updateRow\": updateRow,\n\t    \"getViewport\": getVisibleRange,\n\t    \"getRenderedRange\": getRenderedRange,\n\t    \"resizeCanvas\": resizeCanvas,\n\t    \"updateRowCount\": updateRowCount,\n\t    \"scrollRowIntoView\": scrollRowIntoView,\n\t    \"scrollRowToTop\": scrollRowToTop,\n\t    \"scrollCellIntoView\": scrollCellIntoView,\n\t    \"getCanvasNode\": getCanvasNode,\n\t    \"getCanvases\": getCanvases,\n\t    \"getActiveCanvasNode\": getActiveCanvasNode,\n\t    \"setActiveCanvasNode\": setActiveCanvasNode,\n\t    \"getViewportNode\": getViewportNode,\n\t    \"getActiveViewportNode\": getActiveViewportNode,\n\t    \"setActiveViewportNode\": setActiveViewportNode,\n\t    \"focus\": setFocus,\n\t\n\t    \"getCellFromPoint\": getCellFromPoint,\n\t    \"getCellFromEvent\": getCellFromEvent,\n\t    \"getActiveCell\": getActiveCell,\n\t    \"setActiveCell\": setActiveCell,\n\t    \"getActiveCellNode\": getActiveCellNode,\n\t    \"getActiveCellPosition\": getActiveCellPosition,\n\t    \"resetActiveCell\": resetActiveCell,\n\t    \"editActiveCell\": makeActiveCellEditable,\n\t    \"getCellEditor\": getCellEditor,\n\t    \"getCellNode\": getCellNode,\n\t    \"getCellNodeBox\": getCellNodeBox,\n\t    \"canCellBeSelected\": canCellBeSelected,\n\t    \"canCellBeActive\": canCellBeActive,\n\t    \"navigatePrev\": navigatePrev,\n\t    \"navigateNext\": navigateNext,\n\t    \"navigateUp\": navigateUp,\n\t    \"navigateDown\": navigateDown,\n\t    \"navigateLeft\": navigateLeft,\n\t    \"navigateRight\": navigateRight,\n\t    \"navigatePageUp\": navigatePageUp,\n\t    \"navigatePageDown\": navigatePageDown,\n\t    \"gotoCell\": gotoCell,\n\t    \"getTopPanel\": getTopPanel,\n\t    \"setTopPanelVisibility\": setTopPanelVisibility,\n\t    \"setHeaderRowVisibility\": setHeaderRowVisibility,\n\t    \"getHeaderRow\": getHeaderRow,\n\t    \"getHeaderRowColumn\": getHeaderRowColumn,\n\t    \"setFooterRowVisibility\": setFooterRowVisibility,\n\t    \"getFooterRow\": getFooterRow,\n\t    \"getFooterRowColumn\": getFooterRowColumn,\n\t    \"getGridPosition\": getGridPosition,\n\t    \"flashCell\": flashCell,\n\t    \"addCellCssStyles\": addCellCssStyles,\n\t    \"setCellCssStyles\": setCellCssStyles,\n\t    \"removeCellCssStyles\": removeCellCssStyles,\n\t    \"getCellCssStyles\": getCellCssStyles,\n\t    \"getFrozenRowOffset\": getFrozenRowOffset,\n\t\n\t    \"init\": finishInitialization,\n\t    \"destroy\": destroy,\n\t\n\t    // IEditor implementation\n\t    \"getEditorLock\": getEditorLock,\n\t    \"getEditController\": getEditController\n\t  });\n\t\n\t  init();\n\t}\n\n/***/ }),\n/* 27 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tObject.defineProperty(exports, \"__esModule\", {\n\t  value: true\n\t});\n\t\n\tvar _slick = __webpack_require__(1);\n\t\n\tvar _slick2 = _interopRequireDefault(_slick);\n\t\n\tvar _jquery = __webpack_require__(2);\n\t\n\tvar _jquery2 = _interopRequireDefault(_jquery);\n\t\n\tvar _slick3 = __webpack_require__(31);\n\t\n\tvar _slick4 = _interopRequireDefault(_slick3);\n\t\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\t\n\tvar Aggregators = {\n\t  Avg: AvgAggregator,\n\t  Min: MinAggregator,\n\t  Max: MaxAggregator,\n\t  Sum: SumAggregator\n\t};\n\t\n\tvar Data = {\n\t  DataView: DataView,\n\t  GroupMetaDataProvider: _slick4.default,\n\t  Aggregators: Aggregators\n\t};\n\t\n\texports.default = Data;\n\t\n\t/** *\n\t * A sample Model implementation.\n\t * Provides a filtered view of the underlying data.\n\t *\n\t * Relies on the data item having an \"id\" property uniquely identifying it.\n\t */\n\t\n\tfunction DataView(options) {\n\t  var self = this;\n\t\n\t  var defaults = {\n\t    groupItemMetadataProvider: null,\n\t    inlineFilters: false\n\t  };\n\t\n\t  // private\n\t  var idProperty = 'id'; // property holding a unique row id\n\t  var items = []; // data by index\n\t  var rows = []; // data by row\n\t  var idxById = {}; // indexes by id\n\t  var rowsById = null; // rows by id; lazy-calculated\n\t  var filter = null; // filter function\n\t  var updated = null; // updated item ids\n\t  var suspend = false; // suspends the recalculation\n\t  var sortAsc = true;\n\t  var fastSortField = void 0;\n\t  var sortComparer = void 0;\n\t  var refreshHints = {};\n\t  var prevRefreshHints = {};\n\t  var filterArgs = void 0;\n\t  var filteredItems = [];\n\t  var compiledFilter = void 0;\n\t  var compiledFilterWithCaching = void 0;\n\t  var filterCache = [];\n\t\n\t  // grouping\n\t  var groupingInfoDefaults = {\n\t    getter: null,\n\t    formatter: null,\n\t    comparer: function comparer(a, b) {\n\t      return a.value === b.value ? 0 : a.value > b.value ? 1 : -1;\n\t    },\n\t    predefinedValues: [],\n\t    aggregators: [],\n\t    aggregateEmpty: false,\n\t    aggregateCollapsed: false,\n\t    aggregateChildGroups: false,\n\t    collapsed: false,\n\t    displayTotalsRow: true,\n\t    lazyTotalsCalculation: false\n\t  };\n\t  var groupingInfos = [];\n\t  var groups = [];\n\t  var toggledGroupsByLevel = [];\n\t  var groupingDelimiter = ':|:';\n\t\n\t  var pagesize = 0;\n\t  var pagenum = 0;\n\t  var totalRows = 0;\n\t\n\t  // events\n\t  var onRowCountChanged = new _slick2.default.Event();\n\t  var onRowsChanged = new _slick2.default.Event();\n\t  var onPagingInfoChanged = new _slick2.default.Event();\n\t\n\t  options = _jquery2.default.extend(true, {}, defaults, options);\n\t\n\t  function beginUpdate() {\n\t    suspend = true;\n\t  }\n\t\n\t  function endUpdate() {\n\t    suspend = false;\n\t    refresh();\n\t  }\n\t\n\t  function setRefreshHints(hints) {\n\t    refreshHints = hints;\n\t  }\n\t\n\t  function setFilterArgs(args) {\n\t    filterArgs = args;\n\t  }\n\t\n\t  function updateIdxById(startingIndex) {\n\t    startingIndex = startingIndex || 0;\n\t    var id = void 0;\n\t    for (var i = startingIndex, l = items.length; i < l; i++) {\n\t      id = items[i][idProperty];\n\t      if (id === undefined) {\n\t        throw \"Each data element must implement a unique 'id' property\";\n\t      }\n\t      idxById[id] = i;\n\t    }\n\t  }\n\t\n\t  function ensureIdUniqueness() {\n\t    var id = void 0;\n\t    for (var i = 0, l = items.length; i < l; i++) {\n\t      id = items[i][idProperty];\n\t      if (id === undefined || idxById[id] !== i) {\n\t        throw \"Each data element must implement a unique 'id' property\";\n\t      }\n\t    }\n\t  }\n\t\n\t  function getItems() {\n\t    return items;\n\t  }\n\t\n\t  function setItems(data, objectIdProperty) {\n\t    if (objectIdProperty !== undefined) {\n\t      idProperty = objectIdProperty;\n\t    }\n\t    items = filteredItems = data;\n\t    idxById = {};\n\t    updateIdxById();\n\t    ensureIdUniqueness();\n\t    refresh();\n\t  }\n\t\n\t  function setPagingOptions(args) {\n\t    if (args.pageSize != undefined) {\n\t      pagesize = args.pageSize;\n\t      pagenum = pagesize ? Math.min(pagenum, Math.max(0, Math.ceil(totalRows / pagesize) - 1)) : 0;\n\t    }\n\t\n\t    if (args.pageNum != undefined) {\n\t      pagenum = Math.min(args.pageNum, Math.max(0, Math.ceil(totalRows / pagesize) - 1));\n\t    }\n\t\n\t    onPagingInfoChanged.notify(getPagingInfo(), null, self);\n\t\n\t    refresh();\n\t  }\n\t\n\t  function getPagingInfo() {\n\t    var totalPages = pagesize ? Math.max(1, Math.ceil(totalRows / pagesize)) : 1;\n\t    return { pageSize: pagesize, pageNum: pagenum, totalRows: totalRows, totalPages: totalPages, dataView: self };\n\t  }\n\t\n\t  function sort(comparer, ascending) {\n\t    sortAsc = ascending;\n\t    sortComparer = comparer;\n\t    fastSortField = null;\n\t    if (ascending === false) {\n\t      items.reverse();\n\t    }\n\t    items.sort(comparer);\n\t    if (ascending === false) {\n\t      items.reverse();\n\t    }\n\t    idxById = {};\n\t    updateIdxById();\n\t    refresh();\n\t  }\n\t\n\t  /** *\n\t   * Provides a workaround for the extremely slow sorting in IE.\n\t   * Does a [lexicographic] sort on a give column by temporarily overriding Object.prototype.toString\n\t   * to return the value of that field and then doing a native Array.sort().\n\t   */\n\t  function fastSort(field, ascending) {\n\t    sortAsc = ascending;\n\t    fastSortField = field;\n\t    sortComparer = null;\n\t    var oldToString = Object.prototype.toString;\n\t    Object.prototype.toString = typeof field == 'function' ? field : function () {\n\t      return this[field];\n\t    };\n\t    // an extra reversal for descending sort keeps the sort stable\n\t    // (assuming a stable native sort implementation, which isn't true in some cases)\n\t    if (ascending === false) {\n\t      items.reverse();\n\t    }\n\t    items.sort();\n\t    Object.prototype.toString = oldToString;\n\t    if (ascending === false) {\n\t      items.reverse();\n\t    }\n\t    idxById = {};\n\t    updateIdxById();\n\t    refresh();\n\t  }\n\t\n\t  function reSort() {\n\t    if (sortComparer) {\n\t      sort(sortComparer, sortAsc);\n\t    } else if (fastSortField) {\n\t      fastSort(fastSortField, sortAsc);\n\t    }\n\t  }\n\t\n\t  function setFilter(filterFn) {\n\t    filter = filterFn;\n\t    if (options.inlineFilters) {\n\t      compiledFilter = compileFilter();\n\t      compiledFilterWithCaching = compileFilterWithCaching();\n\t    }\n\t    refresh();\n\t  }\n\t\n\t  function getGrouping() {\n\t    return groupingInfos;\n\t  }\n\t\n\t  function setGrouping(groupingInfo) {\n\t    if (!options.groupItemMetadataProvider) {\n\t      options.groupItemMetadataProvider = new Data.GroupItemMetadataProvider();\n\t    }\n\t\n\t    groups = [];\n\t    toggledGroupsByLevel = [];\n\t    groupingInfo = groupingInfo || [];\n\t    groupingInfos = groupingInfo instanceof Array ? groupingInfo : [groupingInfo];\n\t\n\t    for (var i = 0; i < groupingInfos.length; i++) {\n\t      var gi = groupingInfos[i] = _jquery2.default.extend(true, {}, groupingInfoDefaults, groupingInfos[i]);\n\t      gi.getterIsAFn = typeof gi.getter === 'function';\n\t\n\t      // pre-compile accumulator loops\n\t      gi.compiledAccumulators = [];\n\t      var idx = gi.aggregators.length;\n\t      while (idx--) {\n\t        gi.compiledAccumulators[idx] = compileAccumulatorLoop(gi.aggregators[idx]);\n\t      }\n\t\n\t      toggledGroupsByLevel[i] = {};\n\t    }\n\t\n\t    refresh();\n\t  }\n\t\n\t  /**\n\t   * @deprecated Please use {@link setGrouping}.\n\t   */\n\t  function groupBy(valueGetter, valueFormatter, sortComparer) {\n\t    if (valueGetter == null) {\n\t      setGrouping([]);\n\t      return;\n\t    }\n\t\n\t    setGrouping({\n\t      getter: valueGetter,\n\t      formatter: valueFormatter,\n\t      comparer: sortComparer\n\t    });\n\t  }\n\t\n\t  /**\n\t   * @deprecated Please use {@link setGrouping}.\n\t   */\n\t  function setAggregators(groupAggregators, includeCollapsed) {\n\t    if (!groupingInfos.length) {\n\t      throw new Error('At least one grouping must be specified before calling setAggregators().');\n\t    }\n\t\n\t    groupingInfos[0].aggregators = groupAggregators;\n\t    groupingInfos[0].aggregateCollapsed = includeCollapsed;\n\t\n\t    setGrouping(groupingInfos);\n\t  }\n\t\n\t  function getItemByIdx(i) {\n\t    return items[i];\n\t  }\n\t\n\t  function getIdxById(id) {\n\t    return idxById[id];\n\t  }\n\t\n\t  function ensureRowsByIdCache() {\n\t    if (!rowsById) {\n\t      rowsById = {};\n\t      for (var i = 0, l = rows.length; i < l; i++) {\n\t        rowsById[rows[i][idProperty]] = i;\n\t      }\n\t    }\n\t  }\n\t\n\t  function getRowById(id) {\n\t    ensureRowsByIdCache();\n\t    return rowsById[id];\n\t  }\n\t\n\t  function getItemById(id) {\n\t    return items[idxById[id]];\n\t  }\n\t\n\t  function mapIdsToRows(idArray) {\n\t    var rows = [];\n\t    ensureRowsByIdCache();\n\t    for (var i = 0, l = idArray.length; i < l; i++) {\n\t      var row = rowsById[idArray[i]];\n\t      if (row != null) {\n\t        rows[rows.length] = row;\n\t      }\n\t    }\n\t    return rows;\n\t  }\n\t\n\t  function mapRowsToIds(rowArray) {\n\t    var ids = [];\n\t    for (var i = 0, l = rowArray.length; i < l; i++) {\n\t      if (rowArray[i] < rows.length) {\n\t        ids[ids.length] = rows[rowArray[i]][idProperty];\n\t      }\n\t    }\n\t    return ids;\n\t  }\n\t\n\t  function updateItem(id, item) {\n\t    if (idxById[id] === undefined || id !== item[idProperty]) {\n\t      throw 'Invalid or non-matching id';\n\t    }\n\t    items[idxById[id]] = item;\n\t    if (!updated) {\n\t      updated = {};\n\t    }\n\t    updated[id] = true;\n\t    refresh();\n\t  }\n\t\n\t  function insertItem(insertBefore, item) {\n\t    items.splice(insertBefore, 0, item);\n\t    updateIdxById(insertBefore);\n\t    refresh();\n\t  }\n\t\n\t  function addItem(item) {\n\t    items.push(item);\n\t    updateIdxById(items.length - 1);\n\t    refresh();\n\t  }\n\t\n\t  function deleteItem(id) {\n\t    var idx = idxById[id];\n\t    if (idx === undefined) {\n\t      throw 'Invalid id';\n\t    }\n\t    delete idxById[id];\n\t    items.splice(idx, 1);\n\t    updateIdxById(idx);\n\t    refresh();\n\t  }\n\t\n\t  function getLength() {\n\t    return rows.length;\n\t  }\n\t\n\t  function getItem(i) {\n\t    var item = rows[i];\n\t\n\t    // if this is a group row, make sure totals are calculated and update the title\n\t    if (item && item.__group && item.totals && !item.totals.initialized) {\n\t      var gi = groupingInfos[item.level];\n\t      if (!gi.displayTotalsRow) {\n\t        calculateTotals(item.totals);\n\t        item.title = gi.formatter ? gi.formatter(item) : item.value;\n\t      }\n\t    }\n\t    // if this is a totals row, make sure it's calculated\n\t    else if (item && item.__groupTotals && !item.initialized) {\n\t        calculateTotals(item);\n\t      }\n\t\n\t    return item;\n\t  }\n\t\n\t  function getItemMetadata(i) {\n\t    var item = rows[i];\n\t    if (item === undefined) {\n\t      return null;\n\t    }\n\t\n\t    // overrides for grouping rows\n\t    if (item.__group) {\n\t      return options.groupItemMetadataProvider.getGroupRowMetadata(item);\n\t    }\n\t\n\t    // overrides for totals rows\n\t    if (item.__groupTotals) {\n\t      return options.groupItemMetadataProvider.getTotalsRowMetadata(item);\n\t    }\n\t\n\t    return null;\n\t  }\n\t\n\t  function expandCollapseAllGroups(level, collapse) {\n\t    if (level == null) {\n\t      for (var i = 0; i < groupingInfos.length; i++) {\n\t        toggledGroupsByLevel[i] = {};\n\t        groupingInfos[i].collapsed = collapse;\n\t      }\n\t    } else {\n\t      toggledGroupsByLevel[level] = {};\n\t      groupingInfos[level].collapsed = collapse;\n\t    }\n\t    refresh();\n\t  }\n\t\n\t  /**\n\t   * @param level {Number} Optional level to collapse.  If not specified, applies to all levels.\n\t   */\n\t  function collapseAllGroups(level) {\n\t    expandCollapseAllGroups(level, true);\n\t  }\n\t\n\t  /**\n\t   * @param level {Number} Optional level to expand.  If not specified, applies to all levels.\n\t   */\n\t  function expandAllGroups(level) {\n\t    expandCollapseAllGroups(level, false);\n\t  }\n\t\n\t  function expandCollapseGroup(level, groupingKey, collapse) {\n\t    toggledGroupsByLevel[level][groupingKey] = groupingInfos[level].collapsed ^ collapse;\n\t    refresh();\n\t  }\n\t\n\t  /**\n\t   * @param letArgs Either a Slick.Group's \"groupingKey\" property, or a\n\t   *     letiable argument list of grouping values denoting a unique path to the row.  For\n\t   *     example, calling collapseGroup('high', '10%') will collapse the '10%' subgroup of\n\t   *     the 'high' group.\n\t   */\n\t  function collapseGroup(letArgs) {\n\t    var args = Array.prototype.slice.call(arguments);\n\t    var arg0 = args[0];\n\t    if (args.length == 1 && arg0.indexOf(groupingDelimiter) != -1) {\n\t      expandCollapseGroup(arg0.split(groupingDelimiter).length - 1, arg0, true);\n\t    } else {\n\t      expandCollapseGroup(args.length - 1, args.join(groupingDelimiter), true);\n\t    }\n\t  }\n\t\n\t  /**\n\t   * @param letArgs Either a Slick.Group's \"groupingKey\" property, or a\n\t   *     letiable argument list of grouping values denoting a unique path to the row.  For\n\t   *     example, calling expandGroup('high', '10%') will expand the '10%' subgroup of\n\t   *     the 'high' group.\n\t   */\n\t  function expandGroup(letArgs) {\n\t    var args = Array.prototype.slice.call(arguments);\n\t    var arg0 = args[0];\n\t    if (args.length == 1 && arg0.indexOf(groupingDelimiter) != -1) {\n\t      expandCollapseGroup(arg0.split(groupingDelimiter).length - 1, arg0, false);\n\t    } else {\n\t      expandCollapseGroup(args.length - 1, args.join(groupingDelimiter), false);\n\t    }\n\t  }\n\t\n\t  function getGroups() {\n\t    return groups;\n\t  }\n\t\n\t  function extractGroups(rows, parentGroup) {\n\t    var group = void 0;\n\t    var val = void 0;\n\t    var groups = [];\n\t    var groupsByVal = {};\n\t    var r = void 0;\n\t    var level = parentGroup ? parentGroup.level + 1 : 0;\n\t    var gi = groupingInfos[level];\n\t\n\t    for (var i = 0, l = gi.predefinedValues.length; i < l; i++) {\n\t      val = gi.predefinedValues[i];\n\t      group = groupsByVal[val];\n\t      if (!group) {\n\t        group = new _slick2.default.Group();\n\t        group.value = val;\n\t        group.level = level;\n\t        group.groupingKey = (parentGroup ? parentGroup.groupingKey + groupingDelimiter : '') + val;\n\t        groups[groups.length] = group;\n\t        groupsByVal[val] = group;\n\t      }\n\t    }\n\t\n\t    for (var _i = 0, _l = rows.length; _i < _l; _i++) {\n\t      r = rows[_i];\n\t      val = gi.getterIsAFn ? gi.getter(r) : r[gi.getter];\n\t      group = groupsByVal[val];\n\t      if (!group) {\n\t        group = new _slick2.default.Group();\n\t        group.value = val;\n\t        group.level = level;\n\t        group.groupingKey = (parentGroup ? parentGroup.groupingKey + groupingDelimiter : '') + val;\n\t        groups[groups.length] = group;\n\t        groupsByVal[val] = group;\n\t      }\n\t\n\t      group.rows[group.count++] = r;\n\t    }\n\t\n\t    if (level < groupingInfos.length - 1) {\n\t      for (var _i2 = 0; _i2 < groups.length; _i2++) {\n\t        group = groups[_i2];\n\t        group.groups = extractGroups(group.rows, group);\n\t      }\n\t    }\n\t\n\t    groups.sort(groupingInfos[level].comparer);\n\t\n\t    return groups;\n\t  }\n\t\n\t  function calculateTotals(totals) {\n\t    var group = totals.group;\n\t    var gi = groupingInfos[group.level];\n\t    var isLeafLevel = group.level == groupingInfos.length;\n\t    var agg = void 0,\n\t        idx = gi.aggregators.length;\n\t\n\t    if (!isLeafLevel && gi.aggregateChildGroups) {\n\t      // make sure all the subgroups are calculated\n\t      var i = group.groups.length;\n\t      while (i--) {\n\t        if (!group.groups[i].totals.initialized) {\n\t          calculateTotals(group.groups[i].totals);\n\t        }\n\t      }\n\t    }\n\t\n\t    while (idx--) {\n\t      agg = gi.aggregators[idx];\n\t      agg.init();\n\t      if (!isLeafLevel && gi.aggregateChildGroups) {\n\t        gi.compiledAccumulators[idx].call(agg, group.groups);\n\t      } else {\n\t        gi.compiledAccumulators[idx].call(agg, group.rows);\n\t      }\n\t      agg.storeResult(totals);\n\t    }\n\t    totals.initialized = true;\n\t  }\n\t\n\t  function addGroupTotals(group) {\n\t    var gi = groupingInfos[group.level];\n\t    var totals = new _slick2.default.GroupTotals();\n\t    totals.group = group;\n\t    group.totals = totals;\n\t    if (!gi.lazyTotalsCalculation) {\n\t      calculateTotals(totals);\n\t    }\n\t  }\n\t\n\t  function addTotals(groups, level) {\n\t    level = level || 0;\n\t    var gi = groupingInfos[level];\n\t    var groupCollapsed = gi.collapsed;\n\t    var toggledGroups = toggledGroupsByLevel[level];\n\t    var idx = groups.length,\n\t        g = void 0;\n\t    while (idx--) {\n\t      g = groups[idx];\n\t\n\t      if (g.collapsed && !gi.aggregateCollapsed) {\n\t        continue;\n\t      }\n\t\n\t      // Do a depth-first aggregation so that parent group aggregators can access subgroup totals.\n\t      if (g.groups) {\n\t        addTotals(g.groups, level + 1);\n\t      }\n\t\n\t      if (gi.aggregators.length && (gi.aggregateEmpty || g.rows.length || g.groups && g.groups.length)) {\n\t        addGroupTotals(g);\n\t      }\n\t\n\t      g.collapsed = groupCollapsed ^ toggledGroups[g.groupingKey];\n\t      g.title = gi.formatter ? gi.formatter(g) : g.value;\n\t    }\n\t  }\n\t\n\t  function flattenGroupedRows(groups, level) {\n\t    level = level || 0;\n\t    var gi = groupingInfos[level];\n\t    var groupedRows = [],\n\t        rows = void 0,\n\t        gl = 0,\n\t        g = void 0;\n\t    for (var i = 0, l = groups.length; i < l; i++) {\n\t      g = groups[i];\n\t      groupedRows[gl++] = g;\n\t\n\t      if (!g.collapsed) {\n\t        rows = g.groups ? flattenGroupedRows(g.groups, level + 1) : g.rows;\n\t        for (var j = 0, jj = rows.length; j < jj; j++) {\n\t          groupedRows[gl++] = rows[j];\n\t        }\n\t      }\n\t\n\t      if (g.totals && gi.displayTotalsRow && (!g.collapsed || gi.aggregateCollapsed)) {\n\t        groupedRows[gl++] = g.totals;\n\t      }\n\t    }\n\t    return groupedRows;\n\t  }\n\t\n\t  function getFunctionInfo(fn) {\n\t    var fnRegex = /^function[^(]*\\(([^)]*)\\)\\s*{([\\s\\S]*)}$/;\n\t    var matches = fn.toString().match(fnRegex);\n\t    return {\n\t      params: matches[1].split(','),\n\t      body: matches[2]\n\t    };\n\t  }\n\t\n\t  function compileAccumulatorLoop(aggregator) {\n\t    var accumulatorInfo = getFunctionInfo(aggregator.accumulate);\n\t    var fn = new Function('_items', 'for (let ' + accumulatorInfo.params[0] + ', _i=0, _il=_items.length; _i<_il; _i++) {' + accumulatorInfo.params[0] + ' = _items[_i]; ' + accumulatorInfo.body + '}');\n\t    fn.displayName = 'compiledAccumulatorLoop';\n\t    return fn;\n\t  }\n\t\n\t  function compileFilter() {\n\t    var filterInfo = getFunctionInfo(filter);\n\t\n\t    var filterPath1 = '{ continue _coreloop; }$1';\n\t    var filterPath2 = '{ _retval[_idx++] = $item$; continue _coreloop; }$1';\n\t    // make some allowances for minification - there's only so far we can go with RegEx\n\t    var filterBody = filterInfo.body.replace(/return false\\s*([;}]|\\}|$)/gi, filterPath1).replace(/return!1([;}]|\\}|$)/gi, filterPath1).replace(/return true\\s*([;}]|\\}|$)/gi, filterPath2).replace(/return!0([;}]|\\}|$)/gi, filterPath2).replace(/return ([^;}]+?)\\s*([;}]|$)/gi, '{ if ($1) { _retval[_idx++] = $item$; }; continue _coreloop; }$2');\n\t\n\t    // This preserves the function template code after JS compression,\n\t    // so that replace() commands still work as expected.\n\t    var tpl = [\n\t    // \"function(_items, _args) { \",\n\t    'let _retval = [], _idx = 0; ', 'let $item$, $args$ = _args; ', '_coreloop: ', 'for (let _i = 0, _il = _items.length; _i < _il; _i++) { ', '$item$ = _items[_i]; ', '$filter$; ', '} ', 'return _retval; '\n\t    // \"}\"\n\t    ].join('');\n\t    tpl = tpl.replace(/\\$filter\\$/gi, filterBody);\n\t    tpl = tpl.replace(/\\$item\\$/gi, filterInfo.params[0]);\n\t    tpl = tpl.replace(/\\$args\\$/gi, filterInfo.params[1]);\n\t\n\t    var fn = new Function('_items,_args', tpl);\n\t    fn.displayName = 'compiledFilter';\n\t\n\t    return fn;\n\t  }\n\t\n\t  function compileFilterWithCaching() {\n\t    var filterInfo = getFunctionInfo(filter);\n\t\n\t    var filterPath1 = '{ continue _coreloop; }$1';\n\t    var filterPath2 = '{ _cache[_i] = true;_retval[_idx++] = $item$; continue _coreloop; }$1';\n\t    // make some allowances for minification - there's only so far we can go with RegEx\n\t    var filterBody = filterInfo.body.replace(/return false\\s*([;}]|\\}|$)/gi, filterPath1).replace(/return!1([;}]|\\}|$)/gi, filterPath1).replace(/return true\\s*([;}]|\\}|$)/gi, filterPath2).replace(/return!0([;}]|\\}|$)/gi, filterPath2).replace(/return ([^;}]+?)\\s*([;}]|$)/gi, '{ if ((_cache[_i] = $1)) { _retval[_idx++] = $item$; }; continue _coreloop; }$2');\n\t\n\t    // This preserves the function template code after JS compression,\n\t    // so that replace() commands still work as expected.\n\t    var tpl = [\n\t    // \"function(_items, _args, _cache) { \",\n\t    'let _retval = [], _idx = 0; ', 'let $item$, $args$ = _args; ', '_coreloop: ', 'for (let _i = 0, _il = _items.length; _i < _il; _i++) { ', '$item$ = _items[_i]; ', 'if (_cache[_i]) { ', '_retval[_idx++] = $item$; ', 'continue _coreloop; ', '} ', '$filter$; ', '} ', 'return _retval; '\n\t    // \"}\"\n\t    ].join('');\n\t    tpl = tpl.replace(/\\$filter\\$/gi, filterBody);\n\t    tpl = tpl.replace(/\\$item\\$/gi, filterInfo.params[0]);\n\t    tpl = tpl.replace(/\\$args\\$/gi, filterInfo.params[1]);\n\t\n\t    var fn = new Function('_items,_args,_cache', tpl);\n\t    fn.displayName = 'compiledFilterWithCaching';\n\t    return fn;\n\t  }\n\t\n\t  function uncompiledFilter(items, args) {\n\t    var retval = [],\n\t        idx = 0;\n\t\n\t    for (var i = 0, ii = items.length; i < ii; i++) {\n\t      if (filter(items[i], args)) {\n\t        retval[idx++] = items[i];\n\t      }\n\t    }\n\t\n\t    return retval;\n\t  }\n\t\n\t  function uncompiledFilterWithCaching(items, args, cache) {\n\t    var retval = [],\n\t        idx = 0,\n\t        item = void 0;\n\t\n\t    for (var i = 0, ii = items.length; i < ii; i++) {\n\t      item = items[i];\n\t      if (cache[i]) {\n\t        retval[idx++] = item;\n\t      } else if (filter(item, args)) {\n\t        retval[idx++] = item;\n\t        cache[i] = true;\n\t      }\n\t    }\n\t\n\t    return retval;\n\t  }\n\t\n\t  function getFilteredAndPagedItems(items) {\n\t    if (filter) {\n\t      var batchFilter = options.inlineFilters ? compiledFilter : uncompiledFilter;\n\t      var batchFilterWithCaching = options.inlineFilters ? compiledFilterWithCaching : uncompiledFilterWithCaching;\n\t\n\t      if (refreshHints.isFilterNarrowing) {\n\t        filteredItems = batchFilter(filteredItems, filterArgs);\n\t      } else if (refreshHints.isFilterExpanding) {\n\t        filteredItems = batchFilterWithCaching(items, filterArgs, filterCache);\n\t      } else if (!refreshHints.isFilterUnchanged) {\n\t        filteredItems = batchFilter(items, filterArgs);\n\t      }\n\t    } else {\n\t      // special case:  if not filtering and not paging, the resulting\n\t      // rows collection needs to be a copy so that changes due to sort\n\t      // can be caught\n\t      filteredItems = pagesize ? items : items.concat();\n\t    }\n\t\n\t    // get the current page\n\t    var paged = void 0;\n\t    if (pagesize) {\n\t      if (filteredItems.length < pagenum * pagesize) {\n\t        pagenum = Math.floor(filteredItems.length / pagesize);\n\t      }\n\t      paged = filteredItems.slice(pagesize * pagenum, pagesize * pagenum + pagesize);\n\t    } else {\n\t      paged = filteredItems;\n\t    }\n\t\n\t    return { totalRows: filteredItems.length, rows: paged };\n\t  }\n\t\n\t  function getRowDiffs(rows, newRows) {\n\t    var item = void 0,\n\t        r = void 0,\n\t        eitherIsNonData = void 0,\n\t        diff = [];\n\t    var from = 0,\n\t        to = newRows.length;\n\t\n\t    if (refreshHints && refreshHints.ignoreDiffsBefore) {\n\t      from = Math.max(0, Math.min(newRows.length, refreshHints.ignoreDiffsBefore));\n\t    }\n\t\n\t    if (refreshHints && refreshHints.ignoreDiffsAfter) {\n\t      to = Math.min(newRows.length, Math.max(0, refreshHints.ignoreDiffsAfter));\n\t    }\n\t\n\t    for (var i = from, rl = rows.length; i < to; i++) {\n\t      if (i >= rl) {\n\t        diff[diff.length] = i;\n\t      } else {\n\t        item = newRows[i];\n\t        r = rows[i];\n\t\n\t        if (groupingInfos.length && (eitherIsNonData = item.__nonDataRow || r.__nonDataRow) && item.__group !== r.__group || item.__group && !item.equals(r) || eitherIsNonData && (\n\t        // no good way to compare totals since they are arbitrary DTOs\n\t        // deep object comparison is pretty expensive\n\t        // always considering them 'dirty' seems easier for the time being\n\t        item.__groupTotals || r.__groupTotals) || item[idProperty] != r[idProperty] || updated && updated[item[idProperty]]) {\n\t          diff[diff.length] = i;\n\t        }\n\t      }\n\t    }\n\t    return diff;\n\t  }\n\t\n\t  function recalc(_items) {\n\t    rowsById = null;\n\t\n\t    if (refreshHints.isFilterNarrowing != prevRefreshHints.isFilterNarrowing || refreshHints.isFilterExpanding != prevRefreshHints.isFilterExpanding) {\n\t      filterCache = [];\n\t    }\n\t\n\t    var filteredItems = getFilteredAndPagedItems(_items);\n\t    totalRows = filteredItems.totalRows;\n\t    var newRows = filteredItems.rows;\n\t\n\t    groups = [];\n\t    if (groupingInfos.length) {\n\t      groups = extractGroups(newRows);\n\t      if (groups.length) {\n\t        addTotals(groups);\n\t        newRows = flattenGroupedRows(groups);\n\t      }\n\t    }\n\t\n\t    var diff = getRowDiffs(rows, newRows);\n\t\n\t    rows = newRows;\n\t\n\t    return diff;\n\t  }\n\t\n\t  function refresh() {\n\t    if (suspend) {\n\t      return;\n\t    }\n\t\n\t    var countBefore = rows.length;\n\t    var totalRowsBefore = totalRows;\n\t\n\t    var diff = recalc(items, filter); // pass as direct refs to avoid closure perf hit\n\t\n\t    // if the current page is no longer valid, go to last page and recalc\n\t    // we suffer a performance penalty here, but the main loop (recalc) remains highly optimized\n\t    if (pagesize && totalRows < pagenum * pagesize) {\n\t      pagenum = Math.max(0, Math.ceil(totalRows / pagesize) - 1);\n\t      diff = recalc(items, filter);\n\t    }\n\t\n\t    updated = null;\n\t    prevRefreshHints = refreshHints;\n\t    refreshHints = {};\n\t\n\t    if (totalRowsBefore !== totalRows) {\n\t      onPagingInfoChanged.notify(getPagingInfo(), null, self);\n\t    }\n\t    if (countBefore !== rows.length) {\n\t      onRowCountChanged.notify({ previous: countBefore, current: rows.length, dataView: self }, null, self);\n\t    }\n\t    if (diff.length > 0) {\n\t      onRowsChanged.notify({ rows: diff, dataView: self }, null, self);\n\t    }\n\t  }\n\t\n\t  /** *\n\t   * Wires the grid and the DataView together to keep row selection tied to item ids.\n\t   * This is useful since, without it, the grid only knows about rows, so if the items\n\t   * move around, the same rows stay selected instead of the selection moving along\n\t   * with the items.\n\t   *\n\t   * NOTE:  This doesn't work with cell selection model.\n\t   *\n\t   * @param grid {Slick.Grid} The grid to sync selection with.\n\t   * @param preserveHidden {Boolean} Whether to keep selected items that go out of the\n\t   *     view due to them getting filtered out.\n\t   * @param preserveHiddenOnSelectionChange {Boolean} Whether to keep selected items\n\t   *     that are currently out of the view (see preserveHidden) as selected when selection\n\t   *     changes.\n\t   * @return {Slick.Event} An event that notifies when an internal list of selected row ids\n\t   *     changes.  This is useful since, in combination with the above two options, it allows\n\t   *     access to the full list selected row ids, and not just the ones visible to the grid.\n\t   * @method syncGridSelection\n\t   */\n\t  function syncGridSelection(grid, preserveHidden, preserveHiddenOnSelectionChange) {\n\t    var self = this;\n\t    var inHandler = void 0;\n\t    var selectedRowIds = self.mapRowsToIds(grid.getSelectedRows());\n\t    var onSelectedRowIdsChanged = new _slick2.default.Event();\n\t\n\t    function setSelectedRowIds(rowIds) {\n\t      if (selectedRowIds.join(',') == rowIds.join(',')) {\n\t        return;\n\t      }\n\t\n\t      selectedRowIds = rowIds;\n\t\n\t      onSelectedRowIdsChanged.notify({\n\t        'grid': grid,\n\t        'ids': selectedRowIds,\n\t        'dataView': self\n\t      }, new _slick2.default.EventData(), self);\n\t    }\n\t\n\t    function update() {\n\t      if (selectedRowIds.length > 0) {\n\t        inHandler = true;\n\t        var selectedRows = self.mapIdsToRows(selectedRowIds);\n\t        if (!preserveHidden) {\n\t          setSelectedRowIds(self.mapRowsToIds(selectedRows));\n\t        }\n\t        grid.setSelectedRows(selectedRows);\n\t        inHandler = false;\n\t      }\n\t    }\n\t\n\t    grid.onSelectedRowsChanged.subscribe(function (e, args) {\n\t      if (inHandler) {\n\t        return;\n\t      }\n\t      var newSelectedRowIds = self.mapRowsToIds(grid.getSelectedRows());\n\t      if (!preserveHiddenOnSelectionChange || !grid.getOptions().multiSelect) {\n\t        setSelectedRowIds(newSelectedRowIds);\n\t      } else {\n\t        // keep the ones that are hidden\n\t        var existing = _jquery2.default.grep(selectedRowIds, function (id) {\n\t          return self.getRowById(id) === undefined;\n\t        });\n\t        // add the newly selected ones\n\t        setSelectedRowIds(existing.concat(newSelectedRowIds));\n\t      }\n\t    });\n\t\n\t    this.onRowsChanged.subscribe(update);\n\t\n\t    this.onRowCountChanged.subscribe(update);\n\t\n\t    return onSelectedRowIdsChanged;\n\t  }\n\t\n\t  function syncGridCellCssStyles(grid, key) {\n\t    var hashById = void 0;\n\t    var inHandler = void 0;\n\t\n\t    // since this method can be called after the cell styles have been set,\n\t    // get the existing ones right away\n\t    storeCellCssStyles(grid.getCellCssStyles(key));\n\t\n\t    function storeCellCssStyles(hash) {\n\t      hashById = {};\n\t      for (var row in hash) {\n\t        var id = rows[row][idProperty];\n\t        hashById[id] = hash[row];\n\t      }\n\t    }\n\t\n\t    function update() {\n\t      if (hashById) {\n\t        inHandler = true;\n\t        ensureRowsByIdCache();\n\t        var newHash = {};\n\t        for (var id in hashById) {\n\t          var row = rowsById[id];\n\t          if (row != undefined) {\n\t            newHash[row] = hashById[id];\n\t          }\n\t        }\n\t        grid.setCellCssStyles(key, newHash);\n\t        inHandler = false;\n\t      }\n\t    }\n\t\n\t    grid.onCellCssStylesChanged.subscribe(function (e, args) {\n\t      if (inHandler) {\n\t        return;\n\t      }\n\t      if (key != args.key) {\n\t        return;\n\t      }\n\t      if (args.hash) {\n\t        storeCellCssStyles(args.hash);\n\t      }\n\t    });\n\t\n\t    this.onRowsChanged.subscribe(update);\n\t\n\t    this.onRowCountChanged.subscribe(update);\n\t  }\n\t\n\t  _jquery2.default.extend(this, {\n\t    // methods\n\t    'beginUpdate': beginUpdate,\n\t    'endUpdate': endUpdate,\n\t    'setPagingOptions': setPagingOptions,\n\t    'getPagingInfo': getPagingInfo,\n\t    'getItems': getItems,\n\t    'setItems': setItems,\n\t    'setFilter': setFilter,\n\t    'sort': sort,\n\t    'fastSort': fastSort,\n\t    'reSort': reSort,\n\t    'setGrouping': setGrouping,\n\t    'getGrouping': getGrouping,\n\t    'groupBy': groupBy,\n\t    'setAggregators': setAggregators,\n\t    'collapseAllGroups': collapseAllGroups,\n\t    'expandAllGroups': expandAllGroups,\n\t    'collapseGroup': collapseGroup,\n\t    'expandGroup': expandGroup,\n\t    'getGroups': getGroups,\n\t    'getIdxById': getIdxById,\n\t    'getRowById': getRowById,\n\t    'getItemById': getItemById,\n\t    'getItemByIdx': getItemByIdx,\n\t    'mapRowsToIds': mapRowsToIds,\n\t    'mapIdsToRows': mapIdsToRows,\n\t    'setRefreshHints': setRefreshHints,\n\t    'setFilterArgs': setFilterArgs,\n\t    'refresh': refresh,\n\t    'updateItem': updateItem,\n\t    'insertItem': insertItem,\n\t    'addItem': addItem,\n\t    'deleteItem': deleteItem,\n\t    'syncGridSelection': syncGridSelection,\n\t    'syncGridCellCssStyles': syncGridCellCssStyles,\n\t\n\t    // data provider methods\n\t    'getLength': getLength,\n\t    'getItem': getItem,\n\t    'getItemMetadata': getItemMetadata,\n\t\n\t    // events\n\t    'onRowCountChanged': onRowCountChanged,\n\t    'onRowsChanged': onRowsChanged,\n\t    'onPagingInfoChanged': onPagingInfoChanged\n\t  });\n\t}\n\t\n\tfunction AvgAggregator(field) {\n\t  this.field_ = field;\n\t\n\t  this.init = function () {\n\t    this.count_ = 0;\n\t    this.nonNullCount_ = 0;\n\t    this.sum_ = 0;\n\t  };\n\t\n\t  this.accumulate = function (item) {\n\t    var val = item[this.field_];\n\t    this.count_++;\n\t    if (val != null && val !== '' && !isNaN(val)) {\n\t      this.nonNullCount_++;\n\t      this.sum_ += parseFloat(val);\n\t    }\n\t  };\n\t\n\t  this.storeResult = function (groupTotals) {\n\t    if (!groupTotals.avg) {\n\t      groupTotals.avg = {};\n\t    }\n\t    if (this.nonNullCount_ != 0) {\n\t      groupTotals.avg[this.field_] = this.sum_ / this.nonNullCount_;\n\t    }\n\t  };\n\t}\n\t\n\tfunction MinAggregator(field) {\n\t  this.field_ = field;\n\t\n\t  this.init = function () {\n\t    this.min_ = null;\n\t  };\n\t\n\t  this.accumulate = function (item) {\n\t    var val = item[this.field_];\n\t    if (val != null && val !== '' && !isNaN(val)) {\n\t      if (this.min_ == null || val < this.min_) {\n\t        this.min_ = val;\n\t      }\n\t    }\n\t  };\n\t\n\t  this.storeResult = function (groupTotals) {\n\t    if (!groupTotals.min) {\n\t      groupTotals.min = {};\n\t    }\n\t    groupTotals.min[this.field_] = this.min_;\n\t  };\n\t}\n\t\n\tfunction MaxAggregator(field) {\n\t  this.field_ = field;\n\t\n\t  this.init = function () {\n\t    this.max_ = null;\n\t  };\n\t\n\t  this.accumulate = function (item) {\n\t    var val = item[this.field_];\n\t    if (val != null && val !== '' && !isNaN(val)) {\n\t      if (this.max_ == null || val > this.max_) {\n\t        this.max_ = val;\n\t      }\n\t    }\n\t  };\n\t\n\t  this.storeResult = function (groupTotals) {\n\t    if (!groupTotals.max) {\n\t      groupTotals.max = {};\n\t    }\n\t    groupTotals.max[this.field_] = this.max_;\n\t  };\n\t}\n\t\n\tfunction SumAggregator(field) {\n\t  this.field_ = field;\n\t\n\t  this.init = function () {\n\t    this.sum_ = null;\n\t  };\n\t\n\t  this.accumulate = function (item) {\n\t    var val = item[this.field_];\n\t    if (val != null && val !== '' && !isNaN(val)) {\n\t      this.sum_ += parseFloat(val);\n\t    }\n\t  };\n\t\n\t  this.storeResult = function (groupTotals) {\n\t    if (!groupTotals.sum) {\n\t      groupTotals.sum = {};\n\t    }\n\t    groupTotals.sum[this.field_] = this.sum_;\n\t  };\n\t}\n\n/***/ }),\n/* 28 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tObject.defineProperty(exports, \"__esModule\", {\n\t  value: true\n\t});\n\t\n\tvar _slick = __webpack_require__(1);\n\t\n\tvar _slick2 = _interopRequireDefault(_slick);\n\t\n\tvar _flatpickr = __webpack_require__(32);\n\t\n\tvar _flatpickr2 = _interopRequireDefault(_flatpickr);\n\t\n\tvar _jquery = __webpack_require__(2);\n\t\n\tvar _jquery2 = _interopRequireDefault(_jquery);\n\t\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\t\n\tvar keyCode = _slick2.default.keyCode;\n\t\n\t/** *\n\t * Contains basic SlickGrid editors.\n\t * @module Editors\n\t * @namespace Slick\n\t */\n\t\n\t//import 'flatpickr/dist/flatpickr.min.css';\n\t\n\tvar Editors = {\n\t  Text: TextEditor,\n\t  Integer: IntegerEditor,\n\t  Float: FloatEditor,\n\t  Date: DateEditor,\n\t  YesNoSelect: YesNoSelectEditor,\n\t  Checkbox: CheckboxEditor,\n\t  LongText: LongTextEditor\n\t};\n\t\n\t_slick2.default.Editors = Editors;\n\texports.default = Editors;\n\t\n\t\n\tfunction TextEditor(args) {\n\t  var $input = void 0;\n\t  var defaultValue = void 0;\n\t\n\t  this.init = function () {\n\t    $input = (0, _jquery2.default)(\"<INPUT type=text class='editor-text' />\").appendTo(args.container).bind('keydown.nav', function (e) {\n\t      if (e.keyCode === keyCode.LEFT || e.keyCode === keyCode.RIGHT) {\n\t        e.stopImmediatePropagation();\n\t      }\n\t    }).focus().select();\n\t  };\n\t\n\t  this.destroy = function () {\n\t    $input.remove();\n\t  };\n\t\n\t  this.focus = function () {\n\t    $input.focus();\n\t  };\n\t\n\t  this.getValue = function () {\n\t    return $input.val();\n\t  };\n\t\n\t  this.setValue = function (val) {\n\t    $input.val(val);\n\t  };\n\t\n\t  this.loadValue = function (item) {\n\t    defaultValue = item[args.column.field] || '';\n\t    $input.val(defaultValue);\n\t    $input[0].defaultValue = defaultValue;\n\t    $input.select();\n\t  };\n\t\n\t  this.serializeValue = function () {\n\t    return $input.val();\n\t  };\n\t\n\t  this.applyValue = function (item, state) {\n\t    item[args.column.field] = state;\n\t  };\n\t\n\t  this.isValueChanged = function () {\n\t    return !($input.val() == '' && defaultValue == null) && $input.val() != defaultValue;\n\t  };\n\t\n\t  this.validate = function () {\n\t    var valid = true;\n\t    var msg = null;\n\t    if (args.column.validator) {\n\t      var validationResults = args.column.validator($input.val(), args);\n\t      valid = validationResults.valid;\n\t      msg = validationResults.msg;\n\t    }\n\t\n\t    return {\n\t      valid: true,\n\t      msg: null\n\t    };\n\t  };\n\t\n\t  this.init();\n\t}\n\t\n\tfunction IntegerEditor(args) {\n\t  var $input = void 0;\n\t  var defaultValue = void 0;\n\t\n\t  this.init = function () {\n\t    $input = (0, _jquery2.default)(\"<INPUT type=text class='editor-text' />\");\n\t\n\t    $input.bind('keydown.nav', function (e) {\n\t      if (e.keyCode === keyCode.LEFT || e.keyCode === keyCode.RIGHT) {\n\t        e.stopImmediatePropagation();\n\t      }\n\t    });\n\t\n\t    $input.appendTo(args.container);\n\t    $input.focus().select();\n\t  };\n\t\n\t  this.destroy = function () {\n\t    $input.remove();\n\t  };\n\t\n\t  this.focus = function () {\n\t    $input.focus();\n\t  };\n\t\n\t  this.loadValue = function (item) {\n\t    defaultValue = item[args.column.field];\n\t    $input.val(defaultValue);\n\t    $input[0].defaultValue = defaultValue;\n\t    $input.select();\n\t  };\n\t\n\t  this.serializeValue = function () {\n\t    return parseInt($input.val(), 10) || 0;\n\t  };\n\t\n\t  this.applyValue = function (item, state) {\n\t    item[args.column.field] = state;\n\t  };\n\t\n\t  this.isValueChanged = function () {\n\t    return !($input.val() == '' && defaultValue == null) && $input.val() != defaultValue;\n\t  };\n\t\n\t  this.validate = function () {\n\t    if (isNaN($input.val())) {\n\t      return {\n\t        valid: false,\n\t        msg: 'Please enter a valid integer'\n\t      };\n\t    }\n\t\n\t    if (args.column.validator) {\n\t      var validationResults = args.column.validator($input.val());\n\t      if (!validationResults.valid) {\n\t        return validationResults;\n\t      }\n\t    }\n\t\n\t    return {\n\t      valid: true,\n\t      msg: null\n\t    };\n\t  };\n\t\n\t  this.init();\n\t}\n\t\n\tfunction FloatEditor(args) {\n\t  var $input = void 0;\n\t  var defaultValue = void 0;\n\t  var scope = this;\n\t\n\t  this.init = function () {\n\t    $input = (0, _jquery2.default)(\"<INPUT type=text class='editor-text' />\");\n\t\n\t    $input.bind('keydown.nav', function (e) {\n\t      if (e.keyCode === keyCode.LEFT || e.keyCode === keyCode.RIGHT) {\n\t        e.stopImmediatePropagation();\n\t      }\n\t    });\n\t\n\t    $input.appendTo(args.container);\n\t    $input.focus().select();\n\t  };\n\t\n\t  this.destroy = function () {\n\t    $input.remove();\n\t  };\n\t\n\t  this.focus = function () {\n\t    $input.focus();\n\t  };\n\t\n\t  function getDecimalPlaces() {\n\t    // returns the number of fixed decimal places or null\n\t    var rtn = args.column.editorFixedDecimalPlaces;\n\t    if (typeof rtn == 'undefined') {\n\t      rtn = FloatEditor.DefaultDecimalPlaces;\n\t    }\n\t    return !rtn && rtn !== 0 ? null : rtn;\n\t  }\n\t\n\t  this.loadValue = function (item) {\n\t    defaultValue = item[args.column.field];\n\t\n\t    var decPlaces = getDecimalPlaces();\n\t    if (decPlaces !== null && (defaultValue || defaultValue === 0) && defaultValue.toFixed) {\n\t      defaultValue = defaultValue.toFixed(decPlaces);\n\t    }\n\t\n\t    $input.val(defaultValue);\n\t    $input[0].defaultValue = defaultValue;\n\t    $input.select();\n\t  };\n\t\n\t  this.serializeValue = function () {\n\t    var rtn = parseFloat($input.val()) || 0;\n\t\n\t    var decPlaces = getDecimalPlaces();\n\t    if (decPlaces !== null && (rtn || rtn === 0) && rtn.toFixed) {\n\t      rtn = parseFloat(rtn.toFixed(decPlaces));\n\t    }\n\t\n\t    return rtn;\n\t  };\n\t\n\t  this.applyValue = function (item, state) {\n\t    item[args.column.field] = state;\n\t  };\n\t\n\t  this.isValueChanged = function () {\n\t    return !($input.val() == '' && defaultValue == null) && $input.val() != defaultValue;\n\t  };\n\t\n\t  this.validate = function () {\n\t    if (isNaN($input.val())) {\n\t      return {\n\t        valid: false,\n\t        msg: 'Please enter a valid number'\n\t      };\n\t    }\n\t\n\t    if (args.column.validator) {\n\t      var validationResults = args.column.validator($input.val(), args);\n\t      if (!validationResults.valid) {\n\t        return validationResults;\n\t      }\n\t    }\n\t\n\t    return {\n\t      valid: true,\n\t      msg: null\n\t    };\n\t  };\n\t\n\t  this.init();\n\t}\n\t\n\tFloatEditor.DefaultDecimalPlaces = null;\n\t\n\t/**\n\t * see https://chmln.github.io/flatpickr/#options - pass as column.options.date = {}\n\t * @param args\n\t * @constructor\n\t */\n\tfunction DateEditor(args) {\n\t  var $input = void 0,\n\t      flatInstance = void 0,\n\t      defaultDate = void 0,\n\t      options = args.column.options && args.column.options.date ? args.column.options.date : {};\n\t\n\t  this.init = function () {\n\t    defaultDate = options.defaultDate = args.item[args.column.field];\n\t\n\t    $input = (0, _jquery2.default)('<input type=text data-default-date=\"' + defaultDate + '\" class=\"editor-text\" />');\n\t    $input.appendTo(args.container);\n\t    $input.focus().val(defaultDate).select();\n\t    flatInstance = (0, _flatpickr2.default)($input[0], options);\n\t  };\n\t\n\t  this.destroy = function () {\n\t    flatInstance.destroy();\n\t    $input.remove();\n\t  };\n\t\n\t  this.show = function () {\n\t    flatInstance.open();\n\t    flatInstance.positionCalendar();\n\t  };\n\t\n\t  this.hide = function () {\n\t    flatInstance.close();\n\t  };\n\t\n\t  this.position = function (position) {\n\t    //todo: fix how scrolling is affected\n\t    flatInstance.positionCalendar();\n\t  };\n\t\n\t  this.focus = function () {\n\t    $input.focus();\n\t  };\n\t\n\t  this.loadValue = function (item) {\n\t    defaultDate = item[args.column.field];\n\t    $input.val(defaultDate);\n\t    $input.select();\n\t  };\n\t\n\t  this.serializeValue = function () {\n\t    return $input.val();\n\t  };\n\t\n\t  this.applyValue = function (item, state) {\n\t    item[args.column.field] = state;\n\t  };\n\t\n\t  this.isValueChanged = function () {\n\t    return !($input.val() == '' && defaultDate == null) && $input.val() != defaultDate;\n\t  };\n\t\n\t  this.validate = function () {\n\t    if (args.column.validator) {\n\t      var validationResults = args.column.validator($input.val(), args);\n\t      if (!validationResults.valid) {\n\t        return validationResults;\n\t      }\n\t    }\n\t\n\t    return {\n\t      valid: true,\n\t      msg: null\n\t    };\n\t  };\n\t\n\t  this.init();\n\t}\n\t\n\tfunction YesNoSelectEditor(args) {\n\t  var $select = void 0;\n\t  var defaultValue = void 0;\n\t  var scope = this;\n\t\n\t  this.init = function () {\n\t    $select = (0, _jquery2.default)(\"<select tabIndex='0' class='editor-yesno'><option value='yes'>Yes</option><option value='no'>No</option></select>\");\n\t    $select.appendTo(args.container);\n\t    $select.focus();\n\t  };\n\t\n\t  this.destroy = function () {\n\t    $select.remove();\n\t  };\n\t\n\t  this.focus = function () {\n\t    $select.focus();\n\t  };\n\t\n\t  this.loadValue = function (item) {\n\t    $select.val((defaultValue = item[args.column.field]) ? 'yes' : 'no');\n\t    $select.select();\n\t  };\n\t\n\t  this.serializeValue = function () {\n\t    return $select.val() == 'yes';\n\t  };\n\t\n\t  this.applyValue = function (item, state) {\n\t    item[args.column.field] = state;\n\t  };\n\t\n\t  this.isValueChanged = function () {\n\t    return $select.val() != defaultValue;\n\t  };\n\t\n\t  this.validate = function () {\n\t    var valid = true;\n\t    var msg = null;\n\t    if (args.column.validator) {\n\t      var validationResults = args.column.validator($select.val(), args);\n\t      valid = validationResults.valid;\n\t      msg = validationResults.msg;\n\t    }\n\t\n\t    return {\n\t      valid: true,\n\t      msg: null\n\t    };\n\t  };\n\t\n\t  this.init();\n\t}\n\t\n\tfunction CheckboxEditor(args) {\n\t  var $select = void 0;\n\t  var defaultValue = void 0;\n\t  var scope = this;\n\t\n\t  this.init = function () {\n\t    $select = (0, _jquery2.default)(\"<INPUT type=checkbox value='true' class='editor-checkbox' hideFocus>\");\n\t    $select.appendTo(args.container);\n\t    $select.focus();\n\t  };\n\t\n\t  this.destroy = function () {\n\t    $select.remove();\n\t  };\n\t\n\t  this.focus = function () {\n\t    $select.focus();\n\t  };\n\t\n\t  this.loadValue = function (item) {\n\t    defaultValue = !!item[args.column.field];\n\t    if (defaultValue) {\n\t      $select.prop('checked', true);\n\t    } else {\n\t      $select.prop('checked', false);\n\t    }\n\t  };\n\t\n\t  this.serializeValue = function () {\n\t    return $select.prop('checked');\n\t  };\n\t\n\t  this.applyValue = function (item, state) {\n\t    item[args.column.field] = state;\n\t  };\n\t\n\t  this.isValueChanged = function () {\n\t    return this.serializeValue() !== defaultValue;\n\t  };\n\t\n\t  this.validate = function () {\n\t    var valid = true;\n\t    var msg = null;\n\t    if (args.column.validator) {\n\t      var validationResults = args.column.validator($select.val(), args);\n\t      valid = validationResults.valid;\n\t      msg = validationResults.msg;\n\t    }\n\t\n\t    return {\n\t      valid: true,\n\t      msg: null\n\t    };\n\t  };\n\t\n\t  this.init();\n\t}\n\t\n\tfunction PercentCompleteEditor(args) {\n\t  console.error('PercentCompleteEditor is derecated');\n\t}\n\t\n\t/*\n\t * An example of a \"detached\" editor.\n\t * The UI is added onto document BODY and .position(), .show() and .hide() are implemented.\n\t * KeyDown events are also handled to provide handling for Tab, Shift-Tab, Esc and Ctrl-Enter.\n\t */\n\tfunction LongTextEditor(args) {\n\t  var $input = void 0,\n\t      $wrapper = void 0;\n\t  var defaultValue = void 0;\n\t  var scope = this;\n\t\n\t  this.init = function () {\n\t    var $container = (0, _jquery2.default)('body');\n\t\n\t    $wrapper = (0, _jquery2.default)(\"<div class='slick-large-editor-text' />\").appendTo($container);\n\t    $input = (0, _jquery2.default)(\"<textarea hidefocus rows=5 />\").appendTo($wrapper);\n\t\n\t    (0, _jquery2.default)(\"<div><button>Save</button> <button>Cancel</button></div>\").appendTo($wrapper);\n\t\n\t    $wrapper.find('button:first').bind('click', this.save);\n\t    $wrapper.find('button:last').bind('click', this.cancel);\n\t    $input.bind('keydown', this.handleKeyDown);\n\t\n\t    scope.position(args.position);\n\t    $input.focus().select();\n\t  };\n\t\n\t  this.handleKeyDown = function (e) {\n\t    if (e.which == keyCode.ENTER && e.ctrlKey) {\n\t      scope.save();\n\t    } else if (e.which == keyCode.ESCAPE) {\n\t      e.preventDefault();\n\t      scope.cancel();\n\t    } else if (e.which == keyCode.TAB && e.shiftKey) {\n\t      e.preventDefault();\n\t      args.grid.navigatePrev();\n\t    } else if (e.which == keyCode.TAB) {\n\t      e.preventDefault();\n\t      args.grid.navigateNext();\n\t    }\n\t  };\n\t\n\t  this.save = function () {\n\t    args.commitChanges();\n\t  };\n\t\n\t  this.cancel = function () {\n\t    $input.val(defaultValue);\n\t    args.cancelChanges();\n\t  };\n\t\n\t  this.hide = function () {\n\t    $wrapper.hide();\n\t  };\n\t\n\t  this.show = function () {\n\t    $wrapper.show();\n\t  };\n\t\n\t  this.position = function (position) {\n\t    $wrapper.css('top', position.top - 5).css('left', position.left - 5);\n\t  };\n\t\n\t  this.destroy = function () {\n\t    $wrapper.remove();\n\t  };\n\t\n\t  this.focus = function () {\n\t    $input.focus();\n\t  };\n\t\n\t  this.loadValue = function (item) {\n\t    $input.val(defaultValue = item[args.column.field]);\n\t    $input.select();\n\t  };\n\t\n\t  this.serializeValue = function () {\n\t    return $input.val();\n\t  };\n\t\n\t  this.applyValue = function (item, state) {\n\t    item[args.column.field] = state;\n\t  };\n\t\n\t  this.isValueChanged = function () {\n\t    return !($input.val() == '' && defaultValue == null) && $input.val() != defaultValue;\n\t  };\n\t\n\t  this.validate = function () {\n\t    var valid = true;\n\t    var msg = null;\n\t    if (args.column.validator) {\n\t      var validationResults = args.column.validator($select.val(), args);\n\t      valid = validationResults.valid;\n\t      msg = validationResults.msg;\n\t    }\n\t\n\t    return {\n\t      valid: true,\n\t      msg: null\n\t    };\n\t  };\n\t\n\t  this.init();\n\t}\n\n/***/ }),\n/* 29 */\n/***/ (function(module, exports) {\n\n\t'use strict';\n\t\n\tObject.defineProperty(exports, \"__esModule\", {\n\t  value: true\n\t});\n\tfunction PercentCompleteFormatter(row, cell, value, columnDef, dataContext) {\n\t  if (value == null || value === '') {\n\t    return '-';\n\t  } else if (value < 50) {\n\t    return '<span style=\\'color:red;font-weight:bold;\\'>' + value + '%</span>';\n\t  } else {\n\t    return '<span style=\\'color:green\\'>' + value + '%</span>';\n\t  }\n\t}\n\t\n\tfunction PercentCompleteBarFormatter(row, cell, value, columnDef, dataContext) {\n\t  if (value == null || value === '') {\n\t    return '';\n\t  }\n\t\n\t  var color = void 0;\n\t\n\t  if (value < 30) {\n\t    color = 'red';\n\t  } else if (value < 70) {\n\t    color = 'silver';\n\t  } else {\n\t    color = 'green';\n\t  }\n\t\n\t  return \"<span class='percent-complete-bar' style='background:\" + color + ';width:' + value + \"%'></span>\";\n\t}\n\t\n\tfunction YesNoFormatter(row, cell, value, columnDef, dataContext) {\n\t  return value ? 'Yes' : 'No';\n\t}\n\t\n\tfunction CheckmarkFormatter(row, cell, value, columnDef, dataContext) {\n\t  return value ? '✔' : '';\n\t}\n\t\n\texports.default = {\n\t  PercentComplete: PercentCompleteFormatter,\n\t  PercentCompleteBar: PercentCompleteBarFormatter,\n\t  YesNo: YesNoFormatter,\n\t  Checkmark: CheckmarkFormatter\n\t};\n\n/***/ }),\n/* 30 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tObject.defineProperty(exports, \"__esModule\", {\n\t  value: true\n\t});\n\t\n\tvar _jquery = __webpack_require__(2);\n\t\n\tvar _jquery2 = _interopRequireDefault(_jquery);\n\t\n\tvar _interact = __webpack_require__(5);\n\t\n\tvar _interact2 = _interopRequireDefault(_interact);\n\t\n\tvar _slick = __webpack_require__(1);\n\t\n\tvar _slick2 = _interopRequireDefault(_slick);\n\t\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\t\n\t// Slick.Grid globals pretense\n\t_slick2.default.Grid = SlickGrid; /**\n\t                                   * @license\n\t                                   * (c) 2009-2013 Michael Leibman\n\t                                   * michael{dot}leibman{at}gmail{dot}com\n\t                                   * http://github.com/mleibman/slickgrid\n\t                                   *\n\t                                   * Distributed under MIT license.\n\t                                   * All rights reserved.\n\t                                   *\n\t                                   * SlickGrid v2.2\n\t                                   *\n\t                                   * NOTES:\n\t                                   *     Cell/row DOM manipulations are done directly bypassing jQuery's DOM manipulation methods.\n\t                                   *     This increases the speed dramatically, but can only be done safely because there are no event handlers\n\t                                   *     or data associated with any cell/row DOM nodes.  Cell editors must make sure they implement .destroy()\n\t                                   *     and do proper cleanup.\n\t                                   */\n\t\n\texports.default = SlickGrid;\n\t\n\t// shared across all grids on the page\n\t\n\tvar scrollbarDimensions;\n\tvar maxSupportedCssHeight; // browser's breaking point\n\t\n\t// ////////////////////////////////////////////////////////////////////////////////////////////\n\t// SlickGrid class implementation (available as Slick.Grid)\n\t\n\t/**\n\t * Creates a new instance of the grid.\n\t * @class SlickGrid\n\t * @constructor\n\t * @param {Node}              container   Container node to create the grid in.\n\t * @param {Array,Object}      data        An array of objects for databinding.\n\t * @param {Array}             columns     An array of column definitions.\n\t * @param {Object}            options     Grid options.\n\t **/\n\tfunction SlickGrid(container, data, columns, options) {\n\t  // settings\n\t  var defaults = {\n\t    explicitInitialization: false,\n\t    rowHeight: 25,\n\t    defaultColumnWidth: 80,\n\t    enableAddRow: false,\n\t    leaveSpaceForNewRows: false,\n\t    editable: false,\n\t    autoEdit: true,\n\t    enableCellNavigation: true,\n\t    enableColumnReorder: true,\n\t    asyncEditorLoading: false,\n\t    asyncEditorLoadDelay: 100,\n\t    forceFitColumns: false,\n\t    enableAsyncPostRender: false,\n\t    asyncPostRenderDelay: 50,\n\t    enableAsyncPostRenderCleanup: false,\n\t    asyncPostRenderCleanupDelay: 40,\n\t    autoHeight: false,\n\t    editorLock: _slick2.default.GlobalEditorLock,\n\t    showHeaderRow: false,\n\t    headerRowHeight: 25,\n\t    createFooterRow: false,\n\t    showFooterRow: false,\n\t    footerRowHeight: 25,\n\t    showTopPanel: false,\n\t    topPanelHeight: 25,\n\t    formatterFactory: null,\n\t    editorFactory: null,\n\t    cellFlashingCssClass: 'flashing',\n\t    selectedCellCssClass: 'selected',\n\t    multiSelect: true,\n\t    enableTextSelectionOnCells: false,\n\t    dataItemColumnValueExtractor: null,\n\t    fullWidthRows: false,\n\t    multiColumnSort: false,\n\t    defaultFormatter: defaultFormatter,\n\t    forceSyncScrolling: false,\n\t    addNewRowCssClass: 'new-row'\n\t  };\n\t\n\t  var columnDefaults = {\n\t    name: '',\n\t    resizable: true,\n\t    sortable: false,\n\t    minWidth: 30,\n\t    rerenderOnResize: false,\n\t    headerCssClass: null,\n\t    defaultSortAsc: true,\n\t    focusable: true,\n\t    selectable: true\n\t  };\n\t\n\t  // scroller\n\t  var th; // virtual height\n\t  var h; // real scrollable height\n\t  var ph; // page height\n\t  var n; // number of pages\n\t  var cj; // \"jumpiness\" coefficient\n\t\n\t  var page = 0; // current page\n\t  var offset = 0; // current page offset\n\t  var vScrollDir = 1;\n\t\n\t  // private\n\t  var initialized = false;\n\t  var $container;\n\t  var uid = 'slickgrid_' + Math.round(1000000 * Math.random());\n\t  var self = this;\n\t  var $focusSink, $focusSink2;\n\t  var $headerScroller;\n\t  var $headers;\n\t  var $headerRow, $headerRowScroller, $headerRowSpacer;\n\t  var $footerRow, $footerRowScroller, $footerRowSpacer;\n\t  var $topPanelScroller;\n\t  var $topPanel;\n\t  var $viewport;\n\t  var $canvas;\n\t  var $style;\n\t  var $boundAncestors;\n\t  var stylesheet, columnCssRulesL, columnCssRulesR;\n\t  var viewportH, viewportW;\n\t  var canvasWidth;\n\t  var viewportHasHScroll, viewportHasVScroll;\n\t  var headerColumnWidthDiff = 0,\n\t      headerColumnHeightDiff = 0,\n\t      // border+padding\n\t  cellWidthDiff = 0,\n\t      cellHeightDiff = 0,\n\t      jQueryNewWidthBehaviour = false;\n\t  var absoluteColumnMinWidth;\n\t\n\t  var tabbingDirection = 1;\n\t  var activePosX;\n\t  var activeRow, activeCell;\n\t  var activeCellNode = null;\n\t  var currentEditor = null;\n\t  var serializedEditorValue;\n\t  var editController;\n\t\n\t  var rowsCache = {};\n\t  var renderedRows = 0;\n\t  var numVisibleRows;\n\t  var prevScrollTop = 0;\n\t  var scrollTop = 0;\n\t  var lastRenderedScrollTop = 0;\n\t  var lastRenderedScrollLeft = 0;\n\t  var prevScrollLeft = 0;\n\t  var scrollLeft = 0;\n\t\n\t  var selectionModel;\n\t  var selectedRows = [];\n\t\n\t  var plugins = [];\n\t  var cellCssClasses = {};\n\t\n\t  var columnsById = {};\n\t  var sortColumns = [];\n\t  var columnPosLeft = [];\n\t  var columnPosRight = [];\n\t\n\t  // async call handles\n\t  var h_editorLoader = null;\n\t  var h_render = null;\n\t  var h_postrender = null;\n\t  var h_postrenderCleanup = null;\n\t  var postProcessedRows = {};\n\t  var postProcessToRow = null;\n\t  var postProcessFromRow = null;\n\t  var postProcessedCleanupQueue = [];\n\t  var postProcessgroupId = 0;\n\t\n\t  // perf counters\n\t  var counter_rows_rendered = 0;\n\t  var counter_rows_removed = 0;\n\t\n\t  // These two variables work around a bug with inertial scrolling in Webkit/Blink on Mac.\n\t  // See http://crbug.com/312427.\n\t  var rowNodeFromLastMouseWheelEvent; // this node must not be deleted while inertial scrolling\n\t  var zombieRowNodeFromLastMouseWheelEvent; // node that was hidden instead of getting deleted\n\t  var zombieRowCacheFromLastMouseWheelEvent; // row cache for above node\n\t  var zombieRowPostProcessedFromLastMouseWheelEvent; // post processing references for above node\n\t\n\t  // store css attributes if display:none is active in container or parent\n\t  var cssShow = { position: 'absolute', visibility: 'hidden', display: 'block' };\n\t  var $hiddenParents;\n\t  var oldProps = [];\n\t\n\t  // ////////////////////////////////////////////////////////////////////////////////////////////\n\t  // Initialization\n\t\n\t  function init() {\n\t    $container = (0, _jquery2.default)(container);\n\t    if ($container.length < 1) {\n\t      throw new Error('SlickGrid requires a valid container, ' + container + ' does not exist in the DOM.');\n\t    }\n\t\n\t    cacheCssForHiddenInit();\n\t\n\t    // calculate these only once and share between grid instances\n\t    maxSupportedCssHeight = maxSupportedCssHeight || getMaxSupportedCssHeight();\n\t    scrollbarDimensions = scrollbarDimensions || measureScrollbar();\n\t\n\t    options = _jquery2.default.extend({}, defaults, options);\n\t    validateAndEnforceOptions();\n\t    columnDefaults.width = options.defaultColumnWidth;\n\t\n\t    columnsById = {};\n\t    for (var i = 0; i < columns.length; i++) {\n\t      var m = columns[i] = _jquery2.default.extend({}, columnDefaults, columns[i]);\n\t      columnsById[m.id] = i;\n\t      if (m.minWidth && m.width < m.minWidth) {\n\t        m.width = m.minWidth;\n\t      }\n\t      if (m.maxWidth && m.width > m.maxWidth) {\n\t        m.width = m.maxWidth;\n\t      }\n\t    }\n\t\n\t    editController = {\n\t      'commitCurrentEdit': commitCurrentEdit,\n\t      'cancelCurrentEdit': cancelCurrentEdit\n\t    };\n\t\n\t    $container.empty().css('overflow', 'hidden').css('outline', 0).addClass(uid).addClass('ui-widget');\n\t\n\t    // set up a positioning container if needed\n\t    if (!/relative|absolute|fixed/.test($container.css('position'))) {\n\t      $container.css('position', 'relative');\n\t    }\n\t\n\t    $focusSink = (0, _jquery2.default)(\"<div tabIndex='0' hideFocus style='position:fixed;width:0;height:0;top:0;left:0;outline:0;'></div>\").appendTo($container);\n\t\n\t    $headerScroller = (0, _jquery2.default)(\"<div class='slick-header ui-state-default' style='overflow:hidden;position:relative;' />\").appendTo($container);\n\t    $headers = (0, _jquery2.default)(\"<div class='slick-header-columns' />\").appendTo($headerScroller);\n\t    $headers.width(getHeadersWidth());\n\t\n\t    $headerRowScroller = (0, _jquery2.default)(\"<div class='slick-headerrow ui-state-default' style='overflow:hidden;position:relative;' />\").appendTo($container);\n\t    $headerRow = (0, _jquery2.default)(\"<div class='slick-headerrow-columns' />\").appendTo($headerRowScroller);\n\t    $headerRowSpacer = (0, _jquery2.default)(\"<div style='display:block;height:1px;position:absolute;top:0;left:0;'></div>\").css('width', getCanvasWidth() + scrollbarDimensions.width + 'px').appendTo($headerRowScroller);\n\t\n\t    $topPanelScroller = (0, _jquery2.default)(\"<div class='slick-top-panel-scroller ui-state-default' style='overflow:hidden;position:relative;' />\").appendTo($container);\n\t    $topPanel = (0, _jquery2.default)(\"<div class='slick-top-panel' style='width:10000px' />\").appendTo($topPanelScroller);\n\t\n\t    if (!options.showTopPanel) {\n\t      $topPanelScroller.hide();\n\t    }\n\t\n\t    if (!options.showHeaderRow) {\n\t      $headerRowScroller.hide();\n\t    }\n\t\n\t    $viewport = (0, _jquery2.default)(\"<div class='slick-viewport' style='width:100%;overflow:auto;outline:0;position:relative;;'>\").appendTo($container);\n\t    $viewport.css('overflow-y', options.autoHeight ? 'hidden' : 'auto');\n\t\n\t    $canvas = (0, _jquery2.default)(\"<div class='grid-canvas' />\").appendTo($viewport);\n\t\n\t    if (options.createFooterRow) {\n\t      $footerRowScroller = (0, _jquery2.default)(\"<div class='slick-footerrow ui-state-default' style='overflow:hidden;position:relative;' />\").appendTo($container);\n\t      $footerRow = (0, _jquery2.default)(\"<div class='slick-footerrow-columns' />\").appendTo($footerRowScroller);\n\t      $footerRowSpacer = (0, _jquery2.default)(\"<div style='display:block;height:1px;position:absolute;top:0;left:0;'></div>\").css('width', getCanvasWidth() + scrollbarDimensions.width + 'px').appendTo($footerRowScroller);\n\t\n\t      if (!options.showFooterRow) {\n\t        $footerRowScroller.hide();\n\t      }\n\t    }\n\t\n\t    $focusSink2 = $focusSink.clone().appendTo($container);\n\t\n\t    if (!options.explicitInitialization) {\n\t      finishInitialization();\n\t    }\n\t  }\n\t\n\t  function finishInitialization() {\n\t    if (!initialized) {\n\t      initialized = true;\n\t\n\t      viewportW = parseFloat(_jquery2.default.css($container[0], 'width', true));\n\t\n\t      // header columns and cells may have different padding/border skewing width calculations (box-sizing, hello?)\n\t      // calculate the diff so we can set consistent sizes\n\t      measureCellPaddingAndBorder();\n\t\n\t      // for usability reasons, all text selection in SlickGrid is disabled\n\t      // with the exception of input and textarea elements (selection must\n\t      // be enabled there so that editors work as expected); note that\n\t      // selection in grid cells (grid body) is already unavailable in\n\t      // all browsers except IE\n\t      disableSelection($headers); // disable all text selection in header (including input and textarea)\n\t\n\t      if (!options.enableTextSelectionOnCells) {\n\t        // disable text selection in grid cells except in input and textarea elements\n\t        // (this is IE-specific, because selectstart event will only fire in IE)\n\t        $viewport.bind('selectstart.ui', function (event) {\n\t          return (0, _jquery2.default)(event.target).is('input,textarea');\n\t        });\n\t      }\n\t\n\t      updateColumnCaches();\n\t      createColumnHeaders();\n\t      setupColumnSort();\n\t      createCssRules();\n\t      resizeCanvas();\n\t      bindAncestorScrollEvents();\n\t\n\t      $container.bind('resize.slickgrid', resizeCanvas);\n\t      $viewport\n\t      // .bind(\"click\", handleClick)\n\t      .bind('scroll', handleScroll);\n\t      $headerScroller.bind('contextmenu', handleHeaderContextMenu).bind('click', handleHeaderClick).delegate('.slick-header-column', 'mouseenter', handleHeaderMouseEnter).delegate('.slick-header-column', 'mouseleave', handleHeaderMouseLeave);\n\t      $headerRowScroller.bind('scroll', handleHeaderRowScroll);\n\t\n\t      if (options.createFooterRow) {\n\t        $footerRowScroller.bind('scroll', handleFooterRowScroll);\n\t      }\n\t\n\t      $focusSink.add($focusSink2).bind('keydown', handleKeyDown);\n\t      $canvas.bind('keydown', handleKeyDown).bind('click', handleClick).bind('dblclick', handleDblClick).bind('contextmenu', handleContextMenu).delegate('.slick-cell', 'mouseenter', handleMouseEnter).delegate('.slick-cell', 'mouseleave', handleMouseLeave);\n\t\n\t      // legacy support for drag events\n\t      (0, _interact2.default)($canvas[0]).allowFrom('div.slick-cell').draggable({\n\t        onmove: handleDrag,\n\t        onstart: handleDragStart,\n\t        onend: handleDragEnd\n\t      }).styleCursor(false);\n\t\n\t      // Work around http://crbug.com/312427.\n\t      if (navigator.userAgent.toLowerCase().match(/webkit/) && navigator.userAgent.toLowerCase().match(/macintosh/)) {\n\t        $canvas.bind('mousewheel', handleMouseWheel);\n\t      }\n\t      restoreCssFromHiddenInit();\n\t    }\n\t  }\n\t\n\t  function cacheCssForHiddenInit() {\n\t    // handle display:none on container or container parents\n\t    $hiddenParents = $container.parents().addBack().not(':visible');\n\t    $hiddenParents.each(function () {\n\t      var old = {};\n\t      for (var name in cssShow) {\n\t        old[name] = this.style[name];\n\t        this.style[name] = cssShow[name];\n\t      }\n\t      oldProps.push(old);\n\t    });\n\t  }\n\t\n\t  function restoreCssFromHiddenInit() {\n\t    // finish handle display:none on container or container parents\n\t    // - put values back the way they were\n\t    $hiddenParents.each(function (i) {\n\t      var old = oldProps[i];\n\t      for (var name in cssShow) {\n\t        this.style[name] = old[name];\n\t      }\n\t    });\n\t  }\n\t\n\t  function registerPlugin(plugin) {\n\t    plugins.unshift(plugin);\n\t    plugin.init(self);\n\t  }\n\t\n\t  function unregisterPlugin(plugin) {\n\t    for (var i = plugins.length; i >= 0; i--) {\n\t      if (plugins[i] === plugin) {\n\t        if (plugins[i].destroy) {\n\t          plugins[i].destroy();\n\t        }\n\t        plugins.splice(i, 1);\n\t        break;\n\t      }\n\t    }\n\t  }\n\t\n\t  function setSelectionModel(model) {\n\t    if (selectionModel) {\n\t      selectionModel.onSelectedRangesChanged.unsubscribe(handleSelectedRangesChanged);\n\t      if (selectionModel.destroy) {\n\t        selectionModel.destroy();\n\t      }\n\t    }\n\t\n\t    selectionModel = model;\n\t    if (selectionModel) {\n\t      selectionModel.init(self);\n\t      selectionModel.onSelectedRangesChanged.subscribe(handleSelectedRangesChanged);\n\t    }\n\t  }\n\t\n\t  function getSelectionModel() {\n\t    return selectionModel;\n\t  }\n\t\n\t  function getCanvasNode() {\n\t    return $canvas[0];\n\t  }\n\t\n\t  function measureScrollbar() {\n\t    var $c = (0, _jquery2.default)(\"<div style='position:absolute; top:-10000px; left:-10000px; width:100px; height:100px; overflow:scroll;'></div>\").appendTo('body');\n\t    var dim = {\n\t      width: $c.width() - $c[0].clientWidth,\n\t      height: $c.height() - $c[0].clientHeight\n\t    };\n\t    $c.remove();\n\t    return dim;\n\t  }\n\t\n\t  function getHeadersWidth() {\n\t    var headersWidth = 0;\n\t    for (var i = 0, ii = columns.length; i < ii; i++) {\n\t      var width = columns[i].width;\n\t      headersWidth += width;\n\t    }\n\t    headersWidth += scrollbarDimensions.width;\n\t    return Math.max(headersWidth, viewportW) + 1000;\n\t  }\n\t\n\t  function getCanvasWidth() {\n\t    var availableWidth = viewportHasVScroll ? viewportW - scrollbarDimensions.width : viewportW;\n\t    var rowWidth = 0;\n\t    var i = columns.length;\n\t    while (i--) {\n\t      rowWidth += columns[i].width;\n\t    }\n\t    return options.fullWidthRows ? Math.max(rowWidth, availableWidth) : rowWidth;\n\t  }\n\t\n\t  function updateCanvasWidth(forceColumnWidthsUpdate) {\n\t    var oldCanvasWidth = canvasWidth;\n\t    canvasWidth = getCanvasWidth();\n\t\n\t    if (canvasWidth != oldCanvasWidth) {\n\t      $canvas.width(canvasWidth);\n\t      $headerRow.width(canvasWidth);\n\t      if (options.createFooterRow) {\n\t        $footerRow.width(canvasWidth);\n\t      }\n\t      $headers.width(getHeadersWidth());\n\t      viewportHasHScroll = canvasWidth > viewportW - scrollbarDimensions.width;\n\t    }\n\t\n\t    var w = canvasWidth + (viewportHasVScroll ? scrollbarDimensions.width : 0);\n\t    $headerRowSpacer.width(w);\n\t    if (options.createFooterRow) {\n\t      $footerRowSpacer.width(w);\n\t    }\n\t\n\t    if (canvasWidth != oldCanvasWidth || forceColumnWidthsUpdate) {\n\t      applyColumnWidths();\n\t    }\n\t  }\n\t\n\t  function disableSelection($target) {\n\t    if ($target && $target.jquery) {\n\t      $target.attr('unselectable', 'on').css('MozUserSelect', 'none').bind('selectstart.ui', function () {\n\t        return false;\n\t      }); // from jquery:ui.core.js 1.7.2\n\t    }\n\t  }\n\t\n\t  function getMaxSupportedCssHeight() {\n\t    var supportedHeight = 1000000;\n\t    // FF reports the height back but still renders blank after ~6M px\n\t    var testUpTo = navigator.userAgent.toLowerCase().match(/firefox/) ? 6000000 : 1000000000;\n\t    var div = (0, _jquery2.default)(\"<div style='display:none' />\").appendTo(document.body);\n\t\n\t    while (true) {\n\t      var test = supportedHeight * 2;\n\t      div.css('height', test);\n\t      if (test > testUpTo || div.height() !== test) {\n\t        break;\n\t      } else {\n\t        supportedHeight = test;\n\t      }\n\t    }\n\t\n\t    div.remove();\n\t    return supportedHeight;\n\t  }\n\t\n\t  // TODO:  this is static.  need to handle page mutation.\n\t  function bindAncestorScrollEvents() {\n\t    var elem = $canvas[0];\n\t    while ((elem = elem.parentNode) != document.body && elem != null) {\n\t      // bind to scroll containers only\n\t      if (elem == $viewport[0] || elem.scrollWidth != elem.clientWidth || elem.scrollHeight != elem.clientHeight) {\n\t        var $elem = (0, _jquery2.default)(elem);\n\t        if (!$boundAncestors) {\n\t          $boundAncestors = $elem;\n\t        } else {\n\t          $boundAncestors = $boundAncestors.add($elem);\n\t        }\n\t        $elem.bind('scroll.' + uid, handleActiveCellPositionChange);\n\t      }\n\t    }\n\t  }\n\t\n\t  function unbindAncestorScrollEvents() {\n\t    if (!$boundAncestors) {\n\t      return;\n\t    }\n\t    $boundAncestors.unbind('scroll.' + uid);\n\t    $boundAncestors = null;\n\t  }\n\t\n\t  function updateColumnHeader(columnId, title, toolTip) {\n\t    if (!initialized) {\n\t      return;\n\t    }\n\t    var idx = getColumnIndex(columnId);\n\t    if (idx == null) {\n\t      return;\n\t    }\n\t\n\t    var columnDef = columns[idx];\n\t    var $header = $headers.children().eq(idx);\n\t    if ($header) {\n\t      if (title !== undefined) {\n\t        columns[idx].name = title;\n\t      }\n\t      if (toolTip !== undefined) {\n\t        columns[idx].toolTip = toolTip;\n\t      }\n\t\n\t      trigger(self.onBeforeHeaderCellDestroy, {\n\t        'node': $header[0],\n\t        'column': columnDef,\n\t        'grid': self\n\t      });\n\t\n\t      $header.attr('title', toolTip || '').children().eq(0).html(title);\n\t\n\t      trigger(self.onHeaderCellRendered, {\n\t        'node': $header[0],\n\t        'column': columnDef,\n\t        'grid': self\n\t      });\n\t    }\n\t  }\n\t\n\t  function getHeaderRow() {\n\t    return $headerRow[0];\n\t  }\n\t\n\t  function getFooterRow() {\n\t    return $footerRow[0];\n\t  }\n\t\n\t  function getHeaderRowColumn(columnId) {\n\t    var idx = getColumnIndex(columnId);\n\t    var $header = $headerRow.children().eq(idx);\n\t    return $header && $header[0];\n\t  }\n\t\n\t  function getFooterRowColumn(columnId) {\n\t    var idx = getColumnIndex(columnId);\n\t    var $footer = $footerRow.children().eq(idx);\n\t    return $footer && $footer[0];\n\t  }\n\t\n\t  function createColumnHeaders() {\n\t    function onMouseEnter() {\n\t      (0, _jquery2.default)(this).addClass('ui-state-hover');\n\t    }\n\t\n\t    function onMouseLeave() {\n\t      (0, _jquery2.default)(this).removeClass('ui-state-hover');\n\t    }\n\t\n\t    $headers.find('.slick-header-column').each(function () {\n\t      var columnDef = (0, _jquery2.default)(this).data('column');\n\t      if (columnDef) {\n\t        trigger(self.onBeforeHeaderCellDestroy, {\n\t          'node': this,\n\t          'column': columnDef,\n\t          'grid': self\n\t        });\n\t      }\n\t    });\n\t    $headers.empty();\n\t    $headers.width(getHeadersWidth());\n\t\n\t    $headerRow.find('.slick-headerrow-column').each(function () {\n\t      var columnDef = (0, _jquery2.default)(this).data('column');\n\t      if (columnDef) {\n\t        trigger(self.onBeforeHeaderRowCellDestroy, {\n\t          'node': this,\n\t          'column': columnDef,\n\t          'grid': self\n\t        });\n\t      }\n\t    });\n\t    $headerRow.empty();\n\t\n\t    if (options.createFooterRow) {\n\t      $footerRow.find('.slick-footerrow-column').each(function () {\n\t        var columnDef = (0, _jquery2.default)(this).data('column');\n\t        if (columnDef) {\n\t          trigger(self.onBeforeFooterRowCellDestroy, {\n\t            'node': this,\n\t            'column': columnDef\n\t          });\n\t        }\n\t      });\n\t      $footerRow.empty();\n\t    }\n\t\n\t    for (var i = 0; i < columns.length; i++) {\n\t      var m = columns[i];\n\t\n\t      var header = (0, _jquery2.default)(\"<div class='ui-state-default slick-header-column' />\").html(\"<span class='slick-column-name'>\" + m.name + '</span>').width(m.width - headerColumnWidthDiff).attr('id', '' + uid + m.id).attr('title', m.toolTip || '').data('column', m).addClass(m.headerCssClass || '').appendTo($headers);\n\t\n\t      if (options.enableColumnReorder || m.sortable) {\n\t        header.on('mouseenter', onMouseEnter).on('mouseleave', onMouseLeave);\n\t      }\n\t\n\t      if (m.sortable) {\n\t        header.addClass('slick-header-sortable');\n\t        header.append(\"<span class='slick-sort-indicator' />\");\n\t      }\n\t\n\t      trigger(self.onHeaderCellRendered, {\n\t        'node': header[0],\n\t        'column': m,\n\t        'grid': self\n\t      });\n\t\n\t      if (options.showHeaderRow) {\n\t        var headerRowCell = (0, _jquery2.default)(\"<div class='ui-state-default slick-headerrow-column l\" + i + ' r' + i + \"'></div>\").data('column', m).appendTo($headerRow);\n\t\n\t        trigger(self.onHeaderRowCellRendered, {\n\t          'node': headerRowCell[0],\n\t          'column': m,\n\t          'grid': self\n\t        });\n\t      }\n\t      if (options.createFooterRow && options.showFooterRow) {\n\t        var footerRowCell = (0, _jquery2.default)(\"<div class='ui-state-default slick-footerrow-column l\" + i + ' r' + i + \"'></div>\").data('column', m).appendTo($footerRow);\n\t\n\t        trigger(self.onFooterRowCellRendered, {\n\t          'node': footerRowCell[0],\n\t          'column': m\n\t        });\n\t      }\n\t    }\n\t\n\t    setSortColumns(sortColumns);\n\t    setupColumnResize();\n\t    if (options.enableColumnReorder) {\n\t      setupColumnReorder();\n\t    }\n\t  }\n\t\n\t  function setupColumnSort() {\n\t    $headers.click(function (e) {\n\t      // temporary workaround for a bug in jQuery 1.7.1 (http://bugs.jquery.com/ticket/11328)\n\t      e.metaKey = e.metaKey || e.ctrlKey;\n\t\n\t      if ((0, _jquery2.default)(e.target).hasClass('slick-resizable-handle')) {\n\t        return;\n\t      }\n\t\n\t      var $col = (0, _jquery2.default)(e.target).closest('.slick-header-column');\n\t      if (!$col.length) {\n\t        return;\n\t      }\n\t\n\t      var column = $col.data('column');\n\t      if (column.sortable) {\n\t        if (!getEditorLock().commitCurrentEdit()) {\n\t          return;\n\t        }\n\t\n\t        var sortOpts = null;\n\t        var i = 0;\n\t        for (; i < sortColumns.length; i++) {\n\t          if (sortColumns[i].columnId == column.id) {\n\t            sortOpts = sortColumns[i];\n\t            sortOpts.sortAsc = !sortOpts.sortAsc;\n\t            break;\n\t          }\n\t        }\n\t\n\t        if (e.metaKey && options.multiColumnSort) {\n\t          if (sortOpts) {\n\t            sortColumns.splice(i, 1);\n\t          }\n\t        } else {\n\t          if (!e.shiftKey && !e.metaKey || !options.multiColumnSort) {\n\t            sortColumns = [];\n\t          }\n\t\n\t          if (!sortOpts) {\n\t            sortOpts = { columnId: column.id, sortAsc: column.defaultSortAsc };\n\t            sortColumns.push(sortOpts);\n\t          } else if (sortColumns.length == 0) {\n\t            sortColumns.push(sortOpts);\n\t          }\n\t        }\n\t\n\t        setSortColumns(sortColumns);\n\t\n\t        if (!options.multiColumnSort) {\n\t          trigger(self.onSort, {\n\t            multiColumnSort: false,\n\t            sortCol: column,\n\t            sortAsc: sortOpts.sortAsc,\n\t            grid: self\n\t          }, e);\n\t        } else {\n\t          trigger(self.onSort, {\n\t            multiColumnSort: true,\n\t            sortCols: _jquery2.default.map(sortColumns, function (col) {\n\t              return { sortCol: columns[getColumnIndex(col.columnId)], sortAsc: col.sortAsc };\n\t            }),\n\t            grid: self\n\t          }, e);\n\t        }\n\t      }\n\t    });\n\t  }\n\t\n\t  /**\n\t   * Refactored to use interactjs\n\t   */\n\t  function setupColumnReorder() {\n\t    var x = 0;\n\t    var delta = 0;\n\t    var placeholder = document.createElement('div');\n\t\n\t    placeholder.className = 'interact-placeholder';\n\t\n\t    (0, _interact2.default)('.slick-header-column').ignoreFrom('.slick-resizable-handle').draggable({\n\t      inertia: true,\n\t      // keep the element within the area of it's parent\n\t      restrict: {\n\t        restriction: 'parent',\n\t        endOnly: true,\n\t        elementRect: { top: 0, left: 0, bottom: 0, right: 0 }\n\t      },\n\t      // enable autoScroll\n\t      autoScroll: true,\n\t      axis: 'x',\n\t      onstart: function onstart(event) {\n\t        x = 0;\n\t        delta = event.target.offsetWidth;\n\t\n\t        // get old order\n\t        $headers.find('.slick-header-column').each(function (index) {\n\t          (0, _jquery2.default)(this).data('index', index);\n\t        });\n\t\n\t        placeholder.style.height = event.target.offsetHeight + 'px';\n\t        placeholder.style.width = delta + 'px';\n\t\n\t        (0, _jquery2.default)(event.target).after(placeholder).css({\n\t          position: 'absolute',\n\t          zIndex: 1000,\n\t          marginLeft: (0, _jquery2.default)(event.target).position().left\n\t        });\n\t      },\n\t\n\t      onmove: function onmove(event) {\n\t        x += event.dx;\n\t        event.target.style.transform = 'translate3d(' + x + 'px, -3px, 100px)';\n\t        // event.target.style.marginLeft = x + 'px';\n\t      },\n\t\n\t      onend: function onend(event) {\n\t        x = 0;\n\t        delta = 0;\n\t        (0, _jquery2.default)(event.target).css({\n\t          position: 'relative',\n\t          zIndex: '',\n\t          marginLeft: 0,\n\t          transform: 'none'\n\t        });\n\t\n\t        placeholder.parentNode.removeChild(placeholder);\n\t        var newColumns = [];\n\t\n\t        $headers.find('.slick-header-column').each(function (index) {\n\t          newColumns.push(columns[(0, _jquery2.default)(this).data('index')]);\n\t          (0, _jquery2.default)(this).removeData('index');\n\t        });\n\t\n\t        setColumns(newColumns);\n\t        trigger(self.onColumnsReordered, { grid: self });\n\t        setupColumnResize();\n\t      }\n\t    }).dropzone({\n\t      accept: '.slick-header-column',\n\t\n\t      ondragenter: function ondragenter(event) {\n\t        event.target.classList.add('interact-drop-active');\n\t        event.relatedTarget.classList.add('interact-can-drop');\n\t      },\n\t\n\t      ondragleave: function ondragleave(event) {\n\t        event.target.classList.remove('interact-drop-active');\n\t        event.relatedTarget.classList.remove('interact-can-drop');\n\t      },\n\t\n\t      ondrop: function ondrop(event) {\n\t        event.target.classList.remove('interact-drop-active');\n\t        event.relatedTarget.classList.remove('interact-can-drop');\n\t        (0, _jquery2.default)(event.target)[x > 0 ? 'after' : 'before'](event.relatedTarget);\n\t      }\n\t    }).styleCursor(false);\n\t  }\n\t\n\t  function setupColumnResize() {\n\t    var $col, j, c, pageX, columnElements, minPageX, maxPageX, firstResizable, lastResizable;\n\t    columnElements = $headers.children();\n\t    columnElements.find('.slick-resizable-handle').remove();\n\t    columnElements.each(function (i, e) {\n\t      if (columns[i].resizable) {\n\t        if (firstResizable === undefined) {\n\t          firstResizable = i;\n\t        }\n\t        lastResizable = i;\n\t      }\n\t    });\n\t    if (firstResizable === undefined) {\n\t      return;\n\t    }\n\t    columnElements.each(function (i, element) {\n\t      if (i < firstResizable || options.forceFitColumns && i >= lastResizable) {\n\t        return;\n\t      }\n\t      $col = (0, _jquery2.default)(element);\n\t\n\t      var $handle = (0, _jquery2.default)(\"<div class='slick-resizable-handle' />\");\n\t      $handle.appendTo(element);\n\t\n\t      if ($col.data('resizable')) return;\n\t\n\t      var activeColumn = columns[i];\n\t      if (activeColumn.resizable) {\n\t        $col.data('resizable', true);\n\t        (0, _interact2.default)(element).resizable({\n\t          preserveAspectRatio: false,\n\t          edges: { left: true, right: true, bottom: false, top: false }\n\t        }).on('resizestart', function (event) {\n\t          if (!getEditorLock().commitCurrentEdit()) {\n\t            return false;\n\t          }\n\t          activeColumn.previousWidth = event.rect.width;\n\t          event.target.classList.add('slick-header-column-active');\n\t        }).on('resizemove', function (event) {\n\t          var x = event.dx;\n\t          var width = activeColumn.width += x;\n\t\n\t          if (activeColumn.minWidth > 0 && activeColumn.minWidth > width) width = activeColumn.minWidth;else if (activeColumn.maxWidth > 0 && activeColumn.maxWidth < width) width = activeColumn.maxWidth;\n\t\n\t          activeColumn.width = width;\n\t\n\t          if (options.forceFitColumns) {\n\t            autosizeColumns();\n\t          }\n\t          applyColumnHeaderWidths();\n\t          if (options.syncColumnCellResize) {\n\t            applyColumnWidths();\n\t          }\n\t        }).on('resizeend', function (event) {\n\t          event.target.classList.remove('slick-header-column-active');\n\t          invalidateAllRows();\n\t          updateCanvasWidth(true);\n\t          render();\n\t          trigger(self.onColumnsResized, { grid: self });\n\t        });\n\t      }\n\t    });\n\t  }\n\t\n\t  function getVBoxDelta($el) {\n\t    var p = ['borderTopWidth', 'borderBottomWidth', 'paddingTop', 'paddingBottom'];\n\t    var delta = 0;\n\t    _jquery2.default.each(p, function (n, val) {\n\t      delta += parseFloat($el.css(val)) || 0;\n\t    });\n\t    return delta;\n\t  }\n\t\n\t  function measureCellPaddingAndBorder() {\n\t    var el;\n\t    var h = ['borderLeftWidth', 'borderRightWidth', 'paddingLeft', 'paddingRight'];\n\t    var v = ['borderTopWidth', 'borderBottomWidth', 'paddingTop', 'paddingBottom'];\n\t\n\t    // jquery prior to version 1.8 handles .width setter/getter as a direct css write/read\n\t    // jquery 1.8 changed .width to read the true inner element width if box-sizing is set to border-box, and introduced a setter for .outerWidth\n\t    // so for equivalent functionality, prior to 1.8 use .width, and after use .outerWidth\n\t    var verArray = _jquery2.default.fn.jquery.split('.');\n\t    jQueryNewWidthBehaviour = verArray[0] == 1 && verArray[1] >= 8 || verArray[0] >= 2;\n\t\n\t    el = (0, _jquery2.default)(\"<div class='ui-state-default slick-header-column' style='visibility:hidden'>-</div>\").appendTo($headers);\n\t    headerColumnWidthDiff = headerColumnHeightDiff = 0;\n\t    if (el.css('box-sizing') != 'border-box' && el.css('-moz-box-sizing') != 'border-box' && el.css('-webkit-box-sizing') != 'border-box') {\n\t      _jquery2.default.each(h, function (n, val) {\n\t        headerColumnWidthDiff += parseFloat(el.css(val)) || 0;\n\t      });\n\t      _jquery2.default.each(v, function (n, val) {\n\t        headerColumnHeightDiff += parseFloat(el.css(val)) || 0;\n\t      });\n\t    }\n\t    el.remove();\n\t\n\t    var r = (0, _jquery2.default)(\"<div class='slick-row' />\").appendTo($canvas);\n\t    el = (0, _jquery2.default)(\"<div class='slick-cell' id='' style='visibility:hidden'>-</div>\").appendTo(r);\n\t    cellWidthDiff = cellHeightDiff = 0;\n\t    if (el.css('box-sizing') != 'border-box' && el.css('-moz-box-sizing') != 'border-box' && el.css('-webkit-box-sizing') != 'border-box') {\n\t      _jquery2.default.each(h, function (n, val) {\n\t        cellWidthDiff += parseFloat(el.css(val)) || 0;\n\t      });\n\t      _jquery2.default.each(v, function (n, val) {\n\t        cellHeightDiff += parseFloat(el.css(val)) || 0;\n\t      });\n\t    }\n\t    r.remove();\n\t\n\t    absoluteColumnMinWidth = Math.max(headerColumnWidthDiff, cellWidthDiff);\n\t  }\n\t\n\t  function createCssRules() {\n\t    $style = (0, _jquery2.default)(\"<style type='text/css' rel='stylesheet' />\").appendTo((0, _jquery2.default)('head'));\n\t    var rowHeight = options.rowHeight - cellHeightDiff;\n\t    var rules = ['.' + uid + ' .slick-header-column { left: 0; }', '.' + uid + ' .slick-top-panel { height:' + options.topPanelHeight + 'px; }', '.' + uid + ' .slick-headerrow-columns { height:' + options.headerRowHeight + 'px; }', '.' + uid + ' .slick-footerrow-columns { height:' + options.footerRowHeight + 'px; }', '.' + uid + ' .slick-cell { height:' + rowHeight + 'px; }', '.' + uid + ' .slick-row { height:' + options.rowHeight + 'px; }'];\n\t\n\t    for (var i = 0; i < columns.length; i++) {\n\t      rules.push('.' + uid + ' .l' + i + ' { }');\n\t      rules.push('.' + uid + ' .r' + i + ' { }');\n\t    }\n\t\n\t    if ($style[0].styleSheet) {\n\t      // IE\n\t      $style[0].styleSheet.cssText = rules.join(' ');\n\t    } else {\n\t      $style[0].appendChild(document.createTextNode(rules.join(' ')));\n\t    }\n\t  }\n\t\n\t  function getColumnCssRules(idx) {\n\t    if (!stylesheet) {\n\t      var sheets = document.styleSheets;\n\t      for (var i = 0; i < sheets.length; i++) {\n\t        if ((sheets[i].ownerNode || sheets[i].owningElement) == $style[0]) {\n\t          stylesheet = sheets[i];\n\t          break;\n\t        }\n\t      }\n\t\n\t      if (!stylesheet) {\n\t        throw new Error('Cannot find stylesheet.');\n\t      }\n\t\n\t      // find and cache column CSS rules\n\t      columnCssRulesL = [];\n\t      columnCssRulesR = [];\n\t      var cssRules = stylesheet.cssRules || stylesheet.rules;\n\t      var matches, columnIdx;\n\t      for (var i = 0; i < cssRules.length; i++) {\n\t        var selector = cssRules[i].selectorText;\n\t        if (matches = /\\.l\\d+/.exec(selector)) {\n\t          columnIdx = parseInt(matches[0].substr(2, matches[0].length - 2), 10);\n\t          columnCssRulesL[columnIdx] = cssRules[i];\n\t        } else if (matches = /\\.r\\d+/.exec(selector)) {\n\t          columnIdx = parseInt(matches[0].substr(2, matches[0].length - 2), 10);\n\t          columnCssRulesR[columnIdx] = cssRules[i];\n\t        }\n\t      }\n\t    }\n\t\n\t    return {\n\t      'left': columnCssRulesL[idx],\n\t      'right': columnCssRulesR[idx]\n\t    };\n\t  }\n\t\n\t  function removeCssRules() {\n\t    $style.remove();\n\t    stylesheet = null;\n\t  }\n\t\n\t  function destroy() {\n\t    getEditorLock().cancelCurrentEdit();\n\t\n\t    trigger(self.onBeforeDestroy, { grid: self });\n\t\n\t    var i = plugins.length;\n\t    while (i--) {\n\t      unregisterPlugin(plugins[i]);\n\t    }\n\t\n\t    unbindAncestorScrollEvents();\n\t    $container.unbind('.slickgrid');\n\t    removeCssRules();\n\t\n\t    $container.empty().removeClass(uid);\n\t  }\n\t\n\t  // ////////////////////////////////////////////////////////////////////////////////////////////\n\t  // General\n\t\n\t  function trigger(evt, args, e) {\n\t    e = e || new _slick2.default.EventData();\n\t    args = args || {};\n\t    args.grid = self;\n\t    return evt.notify(args, e, self);\n\t  }\n\t\n\t  function getEditorLock() {\n\t    return options.editorLock;\n\t  }\n\t\n\t  function getEditController() {\n\t    return editController;\n\t  }\n\t\n\t  function getColumnIndex(id) {\n\t    return columnsById[id];\n\t  }\n\t\n\t  function autosizeColumns() {\n\t    var i,\n\t        c,\n\t        widths = [],\n\t        shrinkLeeway = 0,\n\t        total = 0,\n\t        prevTotal,\n\t        availWidth = viewportHasVScroll ? viewportW - scrollbarDimensions.width : viewportW;\n\t\n\t    for (i = 0; i < columns.length; i++) {\n\t      c = columns[i];\n\t      widths.push(c.width);\n\t      total += c.width;\n\t      if (c.resizable) {\n\t        shrinkLeeway += c.width - Math.max(c.minWidth, absoluteColumnMinWidth);\n\t      }\n\t    }\n\t\n\t    // shrink\n\t    prevTotal = total;\n\t    while (total > availWidth && shrinkLeeway) {\n\t      var shrinkProportion = (total - availWidth) / shrinkLeeway;\n\t      for (i = 0; i < columns.length && total > availWidth; i++) {\n\t        c = columns[i];\n\t        var width = widths[i];\n\t        if (!c.resizable || width <= c.minWidth || width <= absoluteColumnMinWidth) {\n\t          continue;\n\t        }\n\t        var absMinWidth = Math.max(c.minWidth, absoluteColumnMinWidth);\n\t        var shrinkSize = Math.floor(shrinkProportion * (width - absMinWidth)) || 1;\n\t        shrinkSize = Math.min(shrinkSize, width - absMinWidth);\n\t        total -= shrinkSize;\n\t        shrinkLeeway -= shrinkSize;\n\t        widths[i] -= shrinkSize;\n\t      }\n\t      if (prevTotal <= total) {\n\t        // avoid infinite loop\n\t        break;\n\t      }\n\t      prevTotal = total;\n\t    }\n\t\n\t    // grow\n\t    prevTotal = total;\n\t    while (total < availWidth) {\n\t      var growProportion = availWidth / total;\n\t      for (i = 0; i < columns.length && total < availWidth; i++) {\n\t        c = columns[i];\n\t        var currentWidth = widths[i];\n\t        var growSize;\n\t\n\t        if (!c.resizable || c.maxWidth <= currentWidth) {\n\t          growSize = 0;\n\t        } else {\n\t          growSize = Math.min(Math.floor(growProportion * currentWidth) - currentWidth, c.maxWidth - currentWidth || 1000000) || 1;\n\t        }\n\t        total += growSize;\n\t        widths[i] += total <= availWidth ? growSize : 0;\n\t      }\n\t      if (prevTotal >= total) {\n\t        // avoid infinite loop\n\t        break;\n\t      }\n\t      prevTotal = total;\n\t    }\n\t\n\t    var reRender = false;\n\t    for (i = 0; i < columns.length; i++) {\n\t      if (columns[i].rerenderOnResize && columns[i].width != widths[i]) {\n\t        reRender = true;\n\t      }\n\t      columns[i].width = widths[i];\n\t    }\n\t\n\t    applyColumnHeaderWidths();\n\t    updateCanvasWidth(true);\n\t    if (reRender) {\n\t      invalidateAllRows();\n\t      render();\n\t    }\n\t  }\n\t\n\t  function applyColumnHeaderWidths() {\n\t    if (!initialized) {\n\t      return;\n\t    }\n\t    var h;\n\t    for (var i = 0, headers = $headers.children('[id]'), ii = headers.length; i < ii; i++) {\n\t      h = (0, _jquery2.default)(headers[i]);\n\t      if (jQueryNewWidthBehaviour) {\n\t        if (h.outerWidth() !== columns[i].width) {\n\t          h.outerWidth(columns[i].width);\n\t        }\n\t      } else {\n\t        if (h.width() !== columns[i].width - headerColumnWidthDiff) {\n\t          h.width(columns[i].width - headerColumnWidthDiff);\n\t        }\n\t      }\n\t    }\n\t\n\t    updateColumnCaches();\n\t  }\n\t\n\t  function applyColumnWidths() {\n\t    var x = 0,\n\t        w,\n\t        rule;\n\t    for (var i = 0; i < columns.length; i++) {\n\t      w = columns[i].width;\n\t\n\t      rule = getColumnCssRules(i);\n\t      rule.left.style.left = x + 'px';\n\t      rule.right.style.right = canvasWidth - x - w + 'px';\n\t\n\t      x += columns[i].width;\n\t    }\n\t  }\n\t\n\t  function setSortColumn(columnId, ascending) {\n\t    setSortColumns([{ columnId: columnId, sortAsc: ascending }]);\n\t  }\n\t\n\t  function setSortColumns(cols) {\n\t    sortColumns = cols;\n\t\n\t    var headerColumnEls = $headers.children();\n\t    headerColumnEls.removeClass('slick-header-column-sorted').find('.slick-sort-indicator').removeClass('slick-sort-indicator-asc slick-sort-indicator-desc');\n\t\n\t    _jquery2.default.each(sortColumns, function (i, col) {\n\t      if (col.sortAsc == null) {\n\t        col.sortAsc = true;\n\t      }\n\t      var columnIndex = getColumnIndex(col.columnId);\n\t      if (columnIndex != null) {\n\t        headerColumnEls.eq(columnIndex).addClass('slick-header-column-sorted').find('.slick-sort-indicator').addClass(col.sortAsc ? 'slick-sort-indicator-asc' : 'slick-sort-indicator-desc');\n\t      }\n\t    });\n\t  }\n\t\n\t  function getSortColumns() {\n\t    return sortColumns;\n\t  }\n\t\n\t  function handleSelectedRangesChanged(e, ranges) {\n\t    selectedRows = [];\n\t    var hash = {};\n\t    for (var i = 0; i < ranges.length; i++) {\n\t      for (var j = ranges[i].fromRow; j <= ranges[i].toRow; j++) {\n\t        if (!hash[j]) {\n\t          // prevent duplicates\n\t          selectedRows.push(j);\n\t          hash[j] = {};\n\t        }\n\t        for (var k = ranges[i].fromCell; k <= ranges[i].toCell; k++) {\n\t          if (canCellBeSelected(j, k)) {\n\t            hash[j][columns[k].id] = options.selectedCellCssClass;\n\t          }\n\t        }\n\t      }\n\t    }\n\t\n\t    setCellCssStyles(options.selectedCellCssClass, hash);\n\t\n\t    trigger(self.onSelectedRowsChanged, { rows: getSelectedRows(), grid: self }, e);\n\t  }\n\t\n\t  function getColumns() {\n\t    return columns;\n\t  }\n\t\n\t  function updateColumnCaches() {\n\t    // Pre-calculate cell boundaries.\n\t    columnPosLeft = [];\n\t    columnPosRight = [];\n\t    var x = 0;\n\t    for (var i = 0, ii = columns.length; i < ii; i++) {\n\t      columnPosLeft[i] = x;\n\t      columnPosRight[i] = x + columns[i].width;\n\t      x += columns[i].width;\n\t    }\n\t  }\n\t\n\t  function setColumns(columnDefinitions) {\n\t    columns = columnDefinitions;\n\t\n\t    columnsById = {};\n\t    for (var i = 0; i < columns.length; i++) {\n\t      var m = columns[i] = _jquery2.default.extend({}, columnDefaults, columns[i]);\n\t      columnsById[m.id] = i;\n\t      if (m.minWidth && m.width < m.minWidth) {\n\t        m.width = m.minWidth;\n\t      }\n\t      if (m.maxWidth && m.width > m.maxWidth) {\n\t        m.width = m.maxWidth;\n\t      }\n\t    }\n\t\n\t    updateColumnCaches();\n\t\n\t    if (initialized) {\n\t      invalidateAllRows();\n\t      createColumnHeaders();\n\t      removeCssRules();\n\t      createCssRules();\n\t      resizeCanvas();\n\t      applyColumnWidths();\n\t      handleScroll();\n\t    }\n\t  }\n\t\n\t  function getOptions() {\n\t    return options;\n\t  }\n\t\n\t  function setOptions(args) {\n\t    if (!getEditorLock().commitCurrentEdit()) {\n\t      return;\n\t    }\n\t\n\t    makeActiveCellNormal();\n\t\n\t    if (options.enableAddRow !== args.enableAddRow) {\n\t      invalidateRow(getDataLength());\n\t    }\n\t\n\t    options = _jquery2.default.extend(options, args);\n\t    validateAndEnforceOptions();\n\t\n\t    $viewport.css('overflow-y', options.autoHeight ? 'hidden' : 'auto');\n\t    render();\n\t  }\n\t\n\t  function validateAndEnforceOptions() {\n\t    if (options.autoHeight) {\n\t      options.leaveSpaceForNewRows = false;\n\t    }\n\t  }\n\t\n\t  function setData(newData, scrollToTop) {\n\t    data = newData;\n\t    invalidateAllRows();\n\t    updateRowCount();\n\t    if (scrollToTop) {\n\t      scrollTo(0);\n\t    }\n\t  }\n\t\n\t  function getData() {\n\t    return data;\n\t  }\n\t\n\t  function getDataLength() {\n\t    if (data.getLength) {\n\t      return data.getLength();\n\t    } else {\n\t      return data.length;\n\t    }\n\t  }\n\t\n\t  function getDataLengthIncludingAddNew() {\n\t    return getDataLength() + (options.enableAddRow ? 1 : 0);\n\t  }\n\t\n\t  function getDataItem(i) {\n\t    if (data.getItem) {\n\t      return data.getItem(i);\n\t    } else {\n\t      return data[i];\n\t    }\n\t  }\n\t\n\t  function getTopPanel() {\n\t    return $topPanel[0];\n\t  }\n\t\n\t  function setTopPanelVisibility(visible) {\n\t    if (options.showTopPanel != visible) {\n\t      options.showTopPanel = visible;\n\t      if (visible) {\n\t        $topPanelScroller.slideDown('fast', resizeCanvas);\n\t      } else {\n\t        $topPanelScroller.slideUp('fast', resizeCanvas);\n\t      }\n\t    }\n\t  }\n\t\n\t  function setHeaderRowVisibility(visible) {\n\t    if (options.showHeaderRow != visible) {\n\t      options.showHeaderRow = visible;\n\t      if (visible) {\n\t        $headerRowScroller.slideDown('fast', resizeCanvas);\n\t      } else {\n\t        $headerRowScroller.slideUp('fast', resizeCanvas);\n\t      }\n\t    }\n\t  }\n\t\n\t  function setFooterRowVisibility(visible) {\n\t    if (options.showFooterRow != visible) {\n\t      options.showFooterRow = visible;\n\t      if (visible) {\n\t        $footerRowScroller.slideDown('fast', resizeCanvas);\n\t      } else {\n\t        $footerRowScroller.slideUp('fast', resizeCanvas);\n\t      }\n\t    }\n\t  }\n\t\n\t  function getContainerNode() {\n\t    return $container.get(0);\n\t  }\n\t\n\t  // ////////////////////////////////////////////////////////////////////////////////////////////\n\t  // Rendering / Scrolling\n\t\n\t  function getRowTop(row) {\n\t    return options.rowHeight * row - offset;\n\t  }\n\t\n\t  function getRowFromPosition(y) {\n\t    return Math.floor((y + offset) / options.rowHeight);\n\t  }\n\t\n\t  function scrollTo(y) {\n\t    y = Math.max(y, 0);\n\t    y = Math.min(y, th - viewportH + (viewportHasHScroll ? scrollbarDimensions.height : 0));\n\t\n\t    var oldOffset = offset;\n\t\n\t    page = Math.min(n - 1, Math.floor(y / ph));\n\t    offset = Math.round(page * cj);\n\t    var newScrollTop = y - offset;\n\t\n\t    if (offset != oldOffset) {\n\t      var range = getVisibleRange(newScrollTop);\n\t      cleanupRows(range);\n\t      updateRowPositions();\n\t    }\n\t\n\t    if (prevScrollTop != newScrollTop) {\n\t      vScrollDir = prevScrollTop + oldOffset < newScrollTop + offset ? 1 : -1;\n\t      $viewport[0].scrollTop = lastRenderedScrollTop = scrollTop = prevScrollTop = newScrollTop;\n\t\n\t      trigger(self.onViewportChanged, { grid: self });\n\t    }\n\t  }\n\t\n\t  function defaultFormatter(row, cell, value, columnDef, dataContext) {\n\t    if (value == null) {\n\t      return '';\n\t    } else {\n\t      return (value + '').replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;');\n\t    }\n\t  }\n\t\n\t  function getFormatter(row, column) {\n\t    var rowMetadata = data.getItemMetadata && data.getItemMetadata(row);\n\t\n\t    // look up by id, then index\n\t    var columnOverrides = rowMetadata && rowMetadata.columns && (rowMetadata.columns[column.id] || rowMetadata.columns[getColumnIndex(column.id)]);\n\t\n\t    return columnOverrides && columnOverrides.formatter || rowMetadata && rowMetadata.formatter || column.formatter || options.formatterFactory && options.formatterFactory.getFormatter(column) || options.defaultFormatter;\n\t  }\n\t\n\t  function getEditor(row, cell) {\n\t    var column = columns[cell];\n\t    var rowMetadata = data.getItemMetadata && data.getItemMetadata(row);\n\t    var columnMetadata = rowMetadata && rowMetadata.columns;\n\t\n\t    if (columnMetadata && columnMetadata[column.id] && columnMetadata[column.id].editor !== undefined) {\n\t      return columnMetadata[column.id].editor;\n\t    }\n\t    if (columnMetadata && columnMetadata[cell] && columnMetadata[cell].editor !== undefined) {\n\t      return columnMetadata[cell].editor;\n\t    }\n\t\n\t    return column.editor || options.editorFactory && options.editorFactory.getEditor(column);\n\t  }\n\t\n\t  function getDataItemValueForColumn(item, columnDef) {\n\t    if (options.dataItemColumnValueExtractor) {\n\t      return options.dataItemColumnValueExtractor(item, columnDef);\n\t    }\n\t    return item[columnDef.field];\n\t  }\n\t\n\t  function appendRowHtml(stringArray, row, range, dataLength) {\n\t    var d = getDataItem(row);\n\t    var dataLoading = row < dataLength && !d;\n\t    var rowCss = 'slick-row' + (dataLoading ? ' loading' : '') + (row === activeRow ? ' active' : '') + (row % 2 == 1 ? ' odd' : ' even');\n\t\n\t    if (!d) {\n\t      rowCss += ' ' + options.addNewRowCssClass;\n\t    }\n\t\n\t    var metadata = data.getItemMetadata && data.getItemMetadata(row);\n\t\n\t    if (metadata && metadata.cssClasses) {\n\t      rowCss += ' ' + metadata.cssClasses;\n\t    }\n\t\n\t    stringArray.push(\"<div class='ui-widget-content \" + rowCss + \"' style='top:\" + getRowTop(row) + \"px'>\");\n\t\n\t    var colspan, m;\n\t    for (var i = 0, ii = columns.length; i < ii; i++) {\n\t      m = columns[i];\n\t      colspan = 1;\n\t      if (metadata && metadata.columns) {\n\t        var columnData = metadata.columns[m.id] || metadata.columns[i];\n\t        colspan = columnData && columnData.colspan || 1;\n\t        if (colspan === '*') {\n\t          colspan = ii - i;\n\t        }\n\t      }\n\t\n\t      // Do not render cells outside of the viewport.\n\t      if (columnPosRight[Math.min(ii - 1, i + colspan - 1)] > range.leftPx) {\n\t        if (columnPosLeft[i] > range.rightPx) {\n\t          // All columns to the right are outside the range.\n\t          break;\n\t        }\n\t\n\t        appendCellHtml(stringArray, row, i, colspan, d);\n\t      }\n\t\n\t      if (colspan > 1) {\n\t        i += colspan - 1;\n\t      }\n\t    }\n\t\n\t    stringArray.push('</div>');\n\t  }\n\t\n\t  function appendCellHtml(stringArray, row, cell, colspan, item) {\n\t    // stringArray: stringBuilder containing the HTML parts\n\t    // row, cell: row and column index\n\t    // colspan: HTML colspan\n\t    // item: grid data for row\n\t\n\t    var m = columns[cell];\n\t    var cellCss = 'slick-cell l' + cell + ' r' + Math.min(columns.length - 1, cell + colspan - 1) + (m.cssClass ? ' ' + m.cssClass : '');\n\t    if (row === activeRow && cell === activeCell) {\n\t      cellCss += ' active';\n\t    }\n\t\n\t    // TODO:  merge them together in the setter\n\t    for (var key in cellCssClasses) {\n\t      if (cellCssClasses[key][row] && cellCssClasses[key][row][m.id]) {\n\t        cellCss += ' ' + cellCssClasses[key][row][m.id];\n\t      }\n\t    }\n\t\n\t    stringArray.push(\"<div class='\" + cellCss + \"'>\");\n\t\n\t    // if there is a corresponding row (if not, this is the Add New row or this data hasn't been loaded yet)\n\t    if (item) {\n\t      var value = getDataItemValueForColumn(item, m);\n\t      stringArray.push(getFormatter(row, m)(row, cell, value, m, item));\n\t    }\n\t\n\t    stringArray.push('</div>');\n\t\n\t    rowsCache[row].cellRenderQueue.push(cell);\n\t    rowsCache[row].cellColSpans[cell] = colspan;\n\t  }\n\t\n\t  function cleanupRows(rangeToKeep) {\n\t    for (var i in rowsCache) {\n\t      if ((i = parseInt(i, 10)) !== activeRow && (i < rangeToKeep.top || i > rangeToKeep.bottom)) {\n\t        removeRowFromCache(i);\n\t      }\n\t    }\n\t    if (options.enableAsyncPostRenderCleanup) {\n\t      startPostProcessingCleanup();\n\t    }\n\t  }\n\t\n\t  function invalidate() {\n\t    updateRowCount();\n\t    invalidateAllRows();\n\t    render();\n\t  }\n\t\n\t  function invalidateAllRows() {\n\t    if (currentEditor) {\n\t      makeActiveCellNormal();\n\t    }\n\t    for (var row in rowsCache) {\n\t      removeRowFromCache(row);\n\t    }\n\t    if (options.enableAsyncPostRenderCleanup) {\n\t      startPostProcessingCleanup();\n\t    }\n\t  }\n\t\n\t  function queuePostProcessedRowForCleanup(cacheEntry, postProcessedRow, rowIdx) {\n\t    postProcessgroupId++;\n\t\n\t    // store and detach node for later async cleanup\n\t    for (var columnIdx in postProcessedRow) {\n\t      if (postProcessedRow.hasOwnProperty(columnIdx)) {\n\t        postProcessedCleanupQueue.push({\n\t          actionType: 'C',\n\t          groupId: postProcessgroupId,\n\t          node: cacheEntry.cellNodesByColumnIdx[columnIdx | 0],\n\t          columnIdx: columnIdx | 0,\n\t          rowIdx: rowIdx\n\t        });\n\t      }\n\t    }\n\t    postProcessedCleanupQueue.push({\n\t      actionType: 'R',\n\t      groupId: postProcessgroupId,\n\t      node: cacheEntry.rowNode\n\t    });\n\t    (0, _jquery2.default)(cacheEntry.rowNode).detach();\n\t  }\n\t\n\t  function queuePostProcessedCellForCleanup(cellnode, columnIdx, rowIdx) {\n\t    postProcessedCleanupQueue.push({\n\t      actionType: 'C',\n\t      groupId: postProcessgroupId,\n\t      node: cellnode,\n\t      columnIdx: columnIdx,\n\t      rowIdx: rowIdx\n\t    });\n\t    (0, _jquery2.default)(cellnode).detach();\n\t  }\n\t\n\t  function removeRowFromCache(row) {\n\t    var cacheEntry = rowsCache[row];\n\t    if (!cacheEntry) {\n\t      return;\n\t    }\n\t\n\t    if (rowNodeFromLastMouseWheelEvent === cacheEntry.rowNode) {\n\t      cacheEntry.rowNode.style.display = 'none';\n\t      zombieRowNodeFromLastMouseWheelEvent = rowNodeFromLastMouseWheelEvent;\n\t      zombieRowCacheFromLastMouseWheelEvent = cacheEntry;\n\t      zombieRowPostProcessedFromLastMouseWheelEvent = postProcessedRows[row];\n\t      // ignore post processing cleanup in this case - it will be dealt with later\n\t    } else {\n\t      if (options.enableAsyncPostRenderCleanup && postProcessedRows[row]) {\n\t        queuePostProcessedRowForCleanup(cacheEntry, postProcessedRows[row], row);\n\t      } else {\n\t        $canvas[0].removeChild(cacheEntry.rowNode);\n\t      }\n\t    }\n\t\n\t    delete rowsCache[row];\n\t    delete postProcessedRows[row];\n\t    renderedRows--;\n\t    counter_rows_removed++;\n\t  }\n\t\n\t  function invalidateRows(rows) {\n\t    var i, rl;\n\t    if (!rows || !rows.length) {\n\t      return;\n\t    }\n\t    vScrollDir = 0;\n\t    for (i = 0, rl = rows.length; i < rl; i++) {\n\t      if (currentEditor && activeRow === rows[i]) {\n\t        makeActiveCellNormal();\n\t      }\n\t      if (rowsCache[rows[i]]) {\n\t        removeRowFromCache(rows[i]);\n\t      }\n\t    }\n\t    if (options.enableAsyncPostRenderCleanup) {\n\t      startPostProcessingCleanup();\n\t    }\n\t  }\n\t\n\t  function invalidateRow(row) {\n\t    invalidateRows([row]);\n\t  }\n\t\n\t  function updateCell(row, cell) {\n\t    var cellNode = getCellNode(row, cell);\n\t    if (!cellNode) {\n\t      return;\n\t    }\n\t\n\t    var m = columns[cell],\n\t        d = getDataItem(row);\n\t    if (currentEditor && activeRow === row && activeCell === cell) {\n\t      currentEditor.loadValue(d);\n\t    } else {\n\t      cellNode.innerHTML = d ? getFormatter(row, m)(row, cell, getDataItemValueForColumn(d, m), m, d) : '';\n\t      invalidatePostProcessingResults(row);\n\t    }\n\t  }\n\t\n\t  function updateRow(row) {\n\t    var cacheEntry = rowsCache[row];\n\t    if (!cacheEntry) {\n\t      return;\n\t    }\n\t\n\t    ensureCellNodesInRowsCache(row);\n\t\n\t    var d = getDataItem(row);\n\t\n\t    for (var columnIdx in cacheEntry.cellNodesByColumnIdx) {\n\t      if (!cacheEntry.cellNodesByColumnIdx.hasOwnProperty(columnIdx)) {\n\t        continue;\n\t      }\n\t\n\t      columnIdx = columnIdx | 0;\n\t      var m = columns[columnIdx],\n\t          node = cacheEntry.cellNodesByColumnIdx[columnIdx];\n\t\n\t      if (row === activeRow && columnIdx === activeCell && currentEditor) {\n\t        currentEditor.loadValue(d);\n\t      } else if (d) {\n\t        node.innerHTML = getFormatter(row, m)(row, columnIdx, getDataItemValueForColumn(d, m), m, d);\n\t      } else {\n\t        node.innerHTML = '';\n\t      }\n\t    }\n\t\n\t    invalidatePostProcessingResults(row);\n\t  }\n\t\n\t  function getViewportHeight() {\n\t    return parseFloat(_jquery2.default.css($container[0], 'height', true)) - parseFloat(_jquery2.default.css($container[0], 'paddingTop', true)) - parseFloat(_jquery2.default.css($container[0], 'paddingBottom', true)) - parseFloat(_jquery2.default.css($headerScroller[0], 'height')) - getVBoxDelta($headerScroller) - (options.showTopPanel ? options.topPanelHeight + getVBoxDelta($topPanelScroller) : 0) - (options.showHeaderRow ? options.headerRowHeight + getVBoxDelta($headerRowScroller) : 0) - (options.createFooterRow && options.showFooterRow ? options.footerRowHeight + getVBoxDelta($footerRowScroller) : 0);\n\t  }\n\t\n\t  function resizeCanvas() {\n\t    if (!initialized) {\n\t      return;\n\t    }\n\t    if (options.autoHeight) {\n\t      viewportH = options.rowHeight * getDataLengthIncludingAddNew();\n\t    } else {\n\t      viewportH = getViewportHeight();\n\t    }\n\t\n\t    numVisibleRows = Math.ceil(viewportH / options.rowHeight);\n\t    viewportW = parseFloat(_jquery2.default.css($container[0], 'width', true));\n\t    if (!options.autoHeight) {\n\t      $viewport.height(viewportH);\n\t    }\n\t\n\t    if (options.forceFitColumns) {\n\t      autosizeColumns();\n\t    }\n\t\n\t    updateRowCount();\n\t    handleScroll();\n\t    // Since the width has changed, force the render() to reevaluate virtually rendered cells.\n\t    lastRenderedScrollLeft = -1;\n\t    render();\n\t  }\n\t\n\t  function updateRowCount() {\n\t    if (!initialized) {\n\t      return;\n\t    }\n\t\n\t    var dataLengthIncludingAddNew = getDataLengthIncludingAddNew();\n\t    var numberOfRows = dataLengthIncludingAddNew + (options.leaveSpaceForNewRows ? numVisibleRows - 1 : 0);\n\t\n\t    var oldViewportHasVScroll = viewportHasVScroll;\n\t    // with autoHeight, we do not need to accommodate the vertical scroll bar\n\t    viewportHasVScroll = !options.autoHeight && numberOfRows * options.rowHeight > viewportH;\n\t    viewportHasHScroll = canvasWidth > viewportW - scrollbarDimensions.width;\n\t\n\t    makeActiveCellNormal();\n\t\n\t    // remove the rows that are now outside of the data range\n\t    // this helps avoid redundant calls to .removeRow() when the size of the data decreased by thousands of rows\n\t    var l = dataLengthIncludingAddNew - 1;\n\t    for (var i in rowsCache) {\n\t      if (i > l) {\n\t        removeRowFromCache(i);\n\t      }\n\t    }\n\t    if (options.enableAsyncPostRenderCleanup) {\n\t      startPostProcessingCleanup();\n\t    }\n\t\n\t    if (activeCellNode && activeRow > l) {\n\t      resetActiveCell();\n\t    }\n\t\n\t    var oldH = h;\n\t    th = Math.max(options.rowHeight * numberOfRows, viewportH - scrollbarDimensions.height);\n\t    if (th < maxSupportedCssHeight) {\n\t      // just one page\n\t      h = ph = th;\n\t      n = 1;\n\t      cj = 0;\n\t    } else {\n\t      // break into pages\n\t      h = maxSupportedCssHeight;\n\t      ph = h / 100;\n\t      n = Math.floor(th / ph);\n\t      cj = (th - h) / (n - 1);\n\t    }\n\t\n\t    if (h !== oldH) {\n\t      $canvas.css('height', h);\n\t      scrollTop = $viewport[0].scrollTop;\n\t    }\n\t\n\t    var oldScrollTopInRange = scrollTop + offset <= th - viewportH;\n\t\n\t    if (th == 0 || scrollTop == 0) {\n\t      page = offset = 0;\n\t    } else if (oldScrollTopInRange) {\n\t      // maintain virtual position\n\t      scrollTo(scrollTop + offset);\n\t    } else {\n\t      // scroll to bottom\n\t      scrollTo(th - viewportH);\n\t    }\n\t\n\t    if (h != oldH && options.autoHeight) {\n\t      resizeCanvas();\n\t    }\n\t\n\t    if (options.forceFitColumns && oldViewportHasVScroll != viewportHasVScroll) {\n\t      autosizeColumns();\n\t    }\n\t    updateCanvasWidth(false);\n\t  }\n\t\n\t  function getVisibleRange(viewportTop, viewportLeft) {\n\t    if (viewportTop == null) {\n\t      viewportTop = scrollTop;\n\t    }\n\t    if (viewportLeft == null) {\n\t      viewportLeft = scrollLeft;\n\t    }\n\t\n\t    return {\n\t      top: getRowFromPosition(viewportTop),\n\t      bottom: getRowFromPosition(viewportTop + viewportH) + 1,\n\t      leftPx: viewportLeft,\n\t      rightPx: viewportLeft + viewportW\n\t    };\n\t  }\n\t\n\t  function getRenderedRange(viewportTop, viewportLeft) {\n\t    var range = getVisibleRange(viewportTop, viewportLeft);\n\t    var buffer = Math.round(viewportH / options.rowHeight);\n\t    var minBuffer = 3;\n\t\n\t    if (vScrollDir == -1) {\n\t      range.top -= buffer;\n\t      range.bottom += minBuffer;\n\t    } else if (vScrollDir == 1) {\n\t      range.top -= minBuffer;\n\t      range.bottom += buffer;\n\t    } else {\n\t      range.top -= minBuffer;\n\t      range.bottom += minBuffer;\n\t    }\n\t\n\t    range.top = Math.max(0, range.top);\n\t    range.bottom = Math.min(getDataLengthIncludingAddNew() - 1, range.bottom);\n\t\n\t    range.leftPx -= viewportW;\n\t    range.rightPx += viewportW;\n\t\n\t    range.leftPx = Math.max(0, range.leftPx);\n\t    range.rightPx = Math.min(canvasWidth, range.rightPx);\n\t\n\t    return range;\n\t  }\n\t\n\t  function ensureCellNodesInRowsCache(row) {\n\t    var cacheEntry = rowsCache[row];\n\t    if (cacheEntry) {\n\t      if (cacheEntry.cellRenderQueue.length) {\n\t        var lastChild = cacheEntry.rowNode.lastChild;\n\t        while (cacheEntry.cellRenderQueue.length) {\n\t          var columnIdx = cacheEntry.cellRenderQueue.pop();\n\t          cacheEntry.cellNodesByColumnIdx[columnIdx] = lastChild;\n\t          lastChild = lastChild.previousSibling;\n\t        }\n\t      }\n\t    }\n\t  }\n\t\n\t  function cleanUpCells(range, row) {\n\t    var totalCellsRemoved = 0;\n\t    var cacheEntry = rowsCache[row];\n\t\n\t    // Remove cells outside the range.\n\t    var cellsToRemove = [];\n\t    for (var i in cacheEntry.cellNodesByColumnIdx) {\n\t      // I really hate it when people mess with Array.prototype.\n\t      if (!cacheEntry.cellNodesByColumnIdx.hasOwnProperty(i)) {\n\t        continue;\n\t      }\n\t\n\t      // This is a string, so it needs to be cast back to a number.\n\t      i = i | 0;\n\t\n\t      var colspan = cacheEntry.cellColSpans[i];\n\t      if (columnPosLeft[i] > range.rightPx || columnPosRight[Math.min(columns.length - 1, i + colspan - 1)] < range.leftPx) {\n\t        if (!(row == activeRow && i == activeCell)) {\n\t          cellsToRemove.push(i);\n\t        }\n\t      }\n\t    }\n\t\n\t    var cellToRemove, node;\n\t    postProcessgroupId++;\n\t    while ((cellToRemove = cellsToRemove.pop()) != null) {\n\t      node = cacheEntry.cellNodesByColumnIdx[cellToRemove];\n\t      if (options.enableAsyncPostRenderCleanup && postProcessedRows[row] && postProcessedRows[row][cellToRemove]) {\n\t        queuePostProcessedCellForCleanup(node, cellToRemove, row);\n\t      } else {\n\t        cacheEntry.rowNode.removeChild(node);\n\t      }\n\t\n\t      delete cacheEntry.cellColSpans[cellToRemove];\n\t      delete cacheEntry.cellNodesByColumnIdx[cellToRemove];\n\t      if (postProcessedRows[row]) {\n\t        delete postProcessedRows[row][cellToRemove];\n\t      }\n\t      totalCellsRemoved++;\n\t    }\n\t  }\n\t\n\t  function cleanUpAndRenderCells(range) {\n\t    var cacheEntry;\n\t    var stringArray = [];\n\t    var processedRows = [];\n\t    var cellsAdded;\n\t    var totalCellsAdded = 0;\n\t    var colspan;\n\t\n\t    for (var row = range.top, btm = range.bottom; row <= btm; row++) {\n\t      cacheEntry = rowsCache[row];\n\t      if (!cacheEntry) {\n\t        continue;\n\t      }\n\t\n\t      // cellRenderQueue populated in renderRows() needs to be cleared first\n\t      ensureCellNodesInRowsCache(row);\n\t\n\t      cleanUpCells(range, row);\n\t\n\t      // Render missing cells.\n\t      cellsAdded = 0;\n\t\n\t      var metadata = data.getItemMetadata && data.getItemMetadata(row);\n\t      metadata = metadata && metadata.columns;\n\t\n\t      var d = getDataItem(row);\n\t\n\t      // TODO:  shorten this loop (index? heuristics? binary search?)\n\t      for (var i = 0, ii = columns.length; i < ii; i++) {\n\t        // Cells to the right are outside the range.\n\t        if (columnPosLeft[i] > range.rightPx) {\n\t          break;\n\t        }\n\t\n\t        // Already rendered.\n\t        if ((colspan = cacheEntry.cellColSpans[i]) != null) {\n\t          i += colspan > 1 ? colspan - 1 : 0;\n\t          continue;\n\t        }\n\t\n\t        colspan = 1;\n\t        if (metadata) {\n\t          var columnData = metadata[columns[i].id] || metadata[i];\n\t          colspan = columnData && columnData.colspan || 1;\n\t          if (colspan === '*') {\n\t            colspan = ii - i;\n\t          }\n\t        }\n\t\n\t        if (columnPosRight[Math.min(ii - 1, i + colspan - 1)] > range.leftPx) {\n\t          appendCellHtml(stringArray, row, i, colspan, d);\n\t          cellsAdded++;\n\t        }\n\t\n\t        i += colspan > 1 ? colspan - 1 : 0;\n\t      }\n\t\n\t      if (cellsAdded) {\n\t        totalCellsAdded += cellsAdded;\n\t        processedRows.push(row);\n\t      }\n\t    }\n\t\n\t    if (!stringArray.length) {\n\t      return;\n\t    }\n\t\n\t    var x = document.createElement('div');\n\t    x.innerHTML = stringArray.join('');\n\t\n\t    var processedRow;\n\t    var node;\n\t    while ((processedRow = processedRows.pop()) != null) {\n\t      cacheEntry = rowsCache[processedRow];\n\t      var columnIdx;\n\t      while ((columnIdx = cacheEntry.cellRenderQueue.pop()) != null) {\n\t        node = x.lastChild;\n\t        cacheEntry.rowNode.appendChild(node);\n\t        cacheEntry.cellNodesByColumnIdx[columnIdx] = node;\n\t      }\n\t    }\n\t  }\n\t\n\t  function renderRows(range) {\n\t    var parentNode = $canvas[0],\n\t        stringArray = [],\n\t        rows = [],\n\t        needToReselectCell = false,\n\t        dataLength = getDataLength();\n\t\n\t    for (var i = range.top, ii = range.bottom; i <= ii; i++) {\n\t      if (rowsCache[i]) {\n\t        continue;\n\t      }\n\t      renderedRows++;\n\t      rows.push(i);\n\t\n\t      // Create an entry right away so that appendRowHtml() can\n\t      // start populatating it.\n\t      rowsCache[i] = {\n\t        'rowNode': null,\n\t\n\t        // ColSpans of rendered cells (by column idx).\n\t        // Can also be used for checking whether a cell has been rendered.\n\t        'cellColSpans': [],\n\t\n\t        // Cell nodes (by column idx).  Lazy-populated by ensureCellNodesInRowsCache().\n\t        'cellNodesByColumnIdx': [],\n\t\n\t        // Column indices of cell nodes that have been rendered, but not yet indexed in\n\t        // cellNodesByColumnIdx.  These are in the same order as cell nodes added at the\n\t        // end of the row.\n\t        'cellRenderQueue': []\n\t      };\n\t\n\t      appendRowHtml(stringArray, i, range, dataLength);\n\t      if (activeCellNode && activeRow === i) {\n\t        needToReselectCell = true;\n\t      }\n\t      counter_rows_rendered++;\n\t    }\n\t\n\t    if (!rows.length) {\n\t      return;\n\t    }\n\t\n\t    var x = document.createElement('div');\n\t    x.innerHTML = stringArray.join('');\n\t\n\t    for (var i = 0, ii = rows.length; i < ii; i++) {\n\t      rowsCache[rows[i]].rowNode = parentNode.appendChild(x.firstChild);\n\t    }\n\t\n\t    if (needToReselectCell) {\n\t      activeCellNode = getCellNode(activeRow, activeCell);\n\t    }\n\t  }\n\t\n\t  function startPostProcessing() {\n\t    if (!options.enableAsyncPostRender) {\n\t      return;\n\t    }\n\t    clearTimeout(h_postrender);\n\t    h_postrender = setTimeout(asyncPostProcessRows, options.asyncPostRenderDelay);\n\t  }\n\t\n\t  function startPostProcessingCleanup() {\n\t    if (!options.enableAsyncPostRenderCleanup) {\n\t      return;\n\t    }\n\t    clearTimeout(h_postrenderCleanup);\n\t    h_postrenderCleanup = setTimeout(asyncPostProcessCleanupRows, options.asyncPostRenderCleanupDelay);\n\t  }\n\t\n\t  function invalidatePostProcessingResults(row) {\n\t    // change status of columns to be re-rendered\n\t    for (var columnIdx in postProcessedRows[row]) {\n\t      if (postProcessedRows[row].hasOwnProperty(columnIdx)) {\n\t        postProcessedRows[row][columnIdx] = 'C';\n\t      }\n\t    }\n\t    postProcessFromRow = Math.min(postProcessFromRow, row);\n\t    postProcessToRow = Math.max(postProcessToRow, row);\n\t    startPostProcessing();\n\t  }\n\t\n\t  function updateRowPositions() {\n\t    for (var row in rowsCache) {\n\t      rowsCache[row].rowNode.style.top = getRowTop(row) + 'px';\n\t    }\n\t  }\n\t\n\t  function render() {\n\t    if (!initialized) {\n\t      return;\n\t    }\n\t    var visible = getVisibleRange();\n\t    var rendered = getRenderedRange();\n\t\n\t    // remove rows no longer in the viewport\n\t    cleanupRows(rendered);\n\t\n\t    // add new rows & missing cells in existing rows\n\t    if (lastRenderedScrollLeft != scrollLeft) {\n\t      cleanUpAndRenderCells(rendered);\n\t    }\n\t\n\t    // render missing rows\n\t    renderRows(rendered);\n\t\n\t    postProcessFromRow = visible.top;\n\t    postProcessToRow = Math.min(getDataLengthIncludingAddNew() - 1, visible.bottom);\n\t    startPostProcessing();\n\t\n\t    lastRenderedScrollTop = scrollTop;\n\t    lastRenderedScrollLeft = scrollLeft;\n\t    h_render = null;\n\t  }\n\t\n\t  function handleHeaderRowScroll() {\n\t    var scrollLeft = $headerRowScroller[0].scrollLeft;\n\t    if (scrollLeft != $viewport[0].scrollLeft) {\n\t      $viewport[0].scrollLeft = scrollLeft;\n\t    }\n\t  }\n\t\n\t  function handleFooterRowScroll() {\n\t    var scrollLeft = $footerRowScroller[0].scrollLeft;\n\t    if (scrollLeft != $viewport[0].scrollLeft) {\n\t      $viewport[0].scrollLeft = scrollLeft;\n\t    }\n\t  }\n\t\n\t  function handleScroll() {\n\t    scrollTop = $viewport[0].scrollTop;\n\t    scrollLeft = $viewport[0].scrollLeft;\n\t    var vScrollDist = Math.abs(scrollTop - prevScrollTop);\n\t    var hScrollDist = Math.abs(scrollLeft - prevScrollLeft);\n\t\n\t    if (hScrollDist) {\n\t      prevScrollLeft = scrollLeft;\n\t      $headerScroller[0].scrollLeft = scrollLeft;\n\t      $topPanelScroller[0].scrollLeft = scrollLeft;\n\t      $headerRowScroller[0].scrollLeft = scrollLeft;\n\t      if (options.createFooterRow) {\n\t        $footerRowScroller[0].scrollLeft = scrollLeft;\n\t      }\n\t    }\n\t\n\t    if (vScrollDist) {\n\t      vScrollDir = prevScrollTop < scrollTop ? 1 : -1;\n\t      prevScrollTop = scrollTop;\n\t\n\t      // switch virtual pages if needed\n\t      if (vScrollDist < viewportH) {\n\t        scrollTo(scrollTop + offset);\n\t      } else {\n\t        var oldOffset = offset;\n\t        if (h == viewportH) {\n\t          page = 0;\n\t        } else {\n\t          page = Math.min(n - 1, Math.floor(scrollTop * ((th - viewportH) / (h - viewportH)) * (1 / ph)));\n\t        }\n\t        offset = Math.round(page * cj);\n\t        if (oldOffset != offset) {\n\t          invalidateAllRows();\n\t        }\n\t      }\n\t    }\n\t\n\t    if (hScrollDist || vScrollDist) {\n\t      if (h_render) {\n\t        clearTimeout(h_render);\n\t      }\n\t\n\t      if (Math.abs(lastRenderedScrollTop - scrollTop) > 20 || Math.abs(lastRenderedScrollLeft - scrollLeft) > 20) {\n\t        if (options.forceSyncScrolling || Math.abs(lastRenderedScrollTop - scrollTop) < viewportH && Math.abs(lastRenderedScrollLeft - scrollLeft) < viewportW) {\n\t          render();\n\t        } else {\n\t          h_render = setTimeout(render, 50);\n\t        }\n\t\n\t        trigger(self.onViewportChanged, { grid: self });\n\t      }\n\t    }\n\t\n\t    trigger(self.onScroll, { scrollLeft: scrollLeft, scrollTop: scrollTop, grid: self });\n\t  }\n\t\n\t  function asyncPostProcessRows() {\n\t    var dataLength = getDataLength();\n\t    while (postProcessFromRow <= postProcessToRow) {\n\t      var row = vScrollDir >= 0 ? postProcessFromRow++ : postProcessToRow--;\n\t      var cacheEntry = rowsCache[row];\n\t      if (!cacheEntry || row >= dataLength) {\n\t        continue;\n\t      }\n\t\n\t      if (!postProcessedRows[row]) {\n\t        postProcessedRows[row] = {};\n\t      }\n\t\n\t      ensureCellNodesInRowsCache(row);\n\t      for (var columnIdx in cacheEntry.cellNodesByColumnIdx) {\n\t        if (!cacheEntry.cellNodesByColumnIdx.hasOwnProperty(columnIdx)) {\n\t          continue;\n\t        }\n\t\n\t        columnIdx = columnIdx | 0;\n\t\n\t        var m = columns[columnIdx];\n\t        var processedStatus = postProcessedRows[row][columnIdx]; // C=cleanup and re-render, R=rendered\n\t        if (m.asyncPostRender && processedStatus !== 'R') {\n\t          var node = cacheEntry.cellNodesByColumnIdx[columnIdx];\n\t          if (node) {\n\t            m.asyncPostRender(node, row, getDataItem(row), m, processedStatus === 'C');\n\t          }\n\t          postProcessedRows[row][columnIdx] = 'R';\n\t        }\n\t      }\n\t\n\t      h_postrender = setTimeout(asyncPostProcessRows, options.asyncPostRenderDelay);\n\t      return;\n\t    }\n\t  }\n\t\n\t  function asyncPostProcessCleanupRows() {\n\t    if (postProcessedCleanupQueue.length > 0) {\n\t      var groupId = postProcessedCleanupQueue[0].groupId;\n\t\n\t      // loop through all queue members with this groupID\n\t      while (postProcessedCleanupQueue.length > 0 && postProcessedCleanupQueue[0].groupId == groupId) {\n\t        var entry = postProcessedCleanupQueue.shift();\n\t        if (entry.actionType == 'R') {\n\t          (0, _jquery2.default)(entry.node).remove();\n\t        }\n\t        if (entry.actionType == 'C') {\n\t          var column = columns[entry.columnIdx];\n\t          if (column.asyncPostRenderCleanup && entry.node) {\n\t            // cleanup must also remove element\n\t            column.asyncPostRenderCleanup(entry.node, entry.rowIdx, column);\n\t          }\n\t        }\n\t      }\n\t\n\t      // call this function again after the specified delay\n\t      h_postrenderCleanup = setTimeout(asyncPostProcessCleanupRows, options.asyncPostRenderCleanupDelay);\n\t    }\n\t  }\n\t\n\t  function updateCellCssStylesOnRenderedRows(addedHash, removedHash) {\n\t    var node, columnId, addedRowHash, removedRowHash;\n\t    for (var row in rowsCache) {\n\t      removedRowHash = removedHash && removedHash[row];\n\t      addedRowHash = addedHash && addedHash[row];\n\t\n\t      if (removedRowHash) {\n\t        for (columnId in removedRowHash) {\n\t          if (!addedRowHash || removedRowHash[columnId] != addedRowHash[columnId]) {\n\t            node = getCellNode(row, getColumnIndex(columnId));\n\t            if (node) {\n\t              (0, _jquery2.default)(node).removeClass(removedRowHash[columnId]);\n\t            }\n\t          }\n\t        }\n\t      }\n\t\n\t      if (addedRowHash) {\n\t        for (columnId in addedRowHash) {\n\t          if (!removedRowHash || removedRowHash[columnId] != addedRowHash[columnId]) {\n\t            node = getCellNode(row, getColumnIndex(columnId));\n\t            if (node) {\n\t              (0, _jquery2.default)(node).addClass(addedRowHash[columnId]);\n\t            }\n\t          }\n\t        }\n\t      }\n\t    }\n\t  }\n\t\n\t  function addCellCssStyles(key, hash) {\n\t    if (cellCssClasses[key]) {\n\t      throw \"addCellCssStyles: cell CSS hash with key '\" + key + \"' already exists.\";\n\t    }\n\t\n\t    cellCssClasses[key] = hash;\n\t    updateCellCssStylesOnRenderedRows(hash, null);\n\t\n\t    trigger(self.onCellCssStylesChanged, { 'key': key, 'hash': hash, 'grid': self });\n\t  }\n\t\n\t  function removeCellCssStyles(key) {\n\t    if (!cellCssClasses[key]) {\n\t      return;\n\t    }\n\t\n\t    updateCellCssStylesOnRenderedRows(null, cellCssClasses[key]);\n\t    delete cellCssClasses[key];\n\t\n\t    trigger(self.onCellCssStylesChanged, { 'key': key, 'hash': null, 'grid': self });\n\t  }\n\t\n\t  function setCellCssStyles(key, hash) {\n\t    var prevHash = cellCssClasses[key];\n\t\n\t    cellCssClasses[key] = hash;\n\t    updateCellCssStylesOnRenderedRows(hash, prevHash);\n\t\n\t    trigger(self.onCellCssStylesChanged, { 'key': key, 'hash': hash, 'grid': self });\n\t  }\n\t\n\t  function getCellCssStyles(key) {\n\t    return cellCssClasses[key];\n\t  }\n\t\n\t  function flashCell(row, cell, speed) {\n\t    speed = speed || 100;\n\t    if (rowsCache[row]) {\n\t      var toggleCellClass = function toggleCellClass(times) {\n\t        if (!times) {\n\t          return;\n\t        }\n\t        setTimeout(function () {\n\t          $cell.queue(function () {\n\t            $cell.toggleClass(options.cellFlashingCssClass).dequeue();\n\t            toggleCellClass(times - 1);\n\t          });\n\t        }, speed);\n\t      };\n\t\n\t      var $cell = (0, _jquery2.default)(getCellNode(row, cell));\n\t\n\t      toggleCellClass(4);\n\t    }\n\t  }\n\t\n\t  // ////////////////////////////////////////////////////////////////////////////////////////////\n\t  // Interactivity\n\t\n\t  function handleMouseWheel(e) {\n\t    var rowNode = (0, _jquery2.default)(e.target).closest('.slick-row')[0];\n\t    if (rowNode != rowNodeFromLastMouseWheelEvent) {\n\t      if (zombieRowNodeFromLastMouseWheelEvent && zombieRowNodeFromLastMouseWheelEvent != rowNode) {\n\t        if (options.enableAsyncPostRenderCleanup && zombieRowPostProcessedFromLastMouseWheelEvent) {\n\t          queuePostProcessedRowForCleanup(zombieRowCacheFromLastMouseWheelEvent, zombieRowPostProcessedFromLastMouseWheelEvent);\n\t        } else {\n\t          $canvas[0].removeChild(zombieRowNodeFromLastMouseWheelEvent);\n\t        }\n\t        zombieRowNodeFromLastMouseWheelEvent = null;\n\t        zombieRowCacheFromLastMouseWheelEvent = null;\n\t        zombieRowPostProcessedFromLastMouseWheelEvent = null;\n\t\n\t        if (options.enableAsyncPostRenderCleanup) {\n\t          startPostProcessingCleanup();\n\t        }\n\t      }\n\t      rowNodeFromLastMouseWheelEvent = rowNode;\n\t    }\n\t  }\n\t\n\t  function handleDragStart(interactEvent) {\n\t    var event = _jquery2.default.Event(interactEvent.originalEvent.type, interactEvent.originalEvent);\n\t    var cell = getCellFromEvent(event);\n\t    if (!cell || !cellExists(cell.row, cell.cell)) {\n\t      return false;\n\t    }\n\t\n\t    var retval = trigger(self.onDragStart, interactEvent, event);\n\t    if (event.isImmediatePropagationStopped()) {\n\t      return retval;\n\t    }\n\t\n\t    return false;\n\t  }\n\t\n\t  function handleDrag(interactEvent) {\n\t    var event = _jquery2.default.Event(interactEvent.originalEvent.type, interactEvent.originalEvent);\n\t    return trigger(self.onDrag, interactEvent, event);\n\t  }\n\t\n\t  function handleDragEnd(interactEvent) {\n\t    trigger(self.onDragEnd, interactEvent, _jquery2.default.Event('mousedown'));\n\t  }\n\t\n\t  function handleKeyDown(e) {\n\t    trigger(self.onKeyDown, { row: activeRow, cell: activeCell, grid: self }, e);\n\t    var handled = e.isImmediatePropagationStopped();\n\t    var keyCode = _slick2.default.keyCode;\n\t\n\t    if (!handled) {\n\t      if (!e.shiftKey && !e.altKey && !e.ctrlKey) {\n\t        // editor may specify an array of keys to bubble\n\t        if (options.editable && currentEditor && currentEditor.keyCaptureList) {\n\t          if (currentEditor.keyCaptureList.indexOf(e.which) > -1) {\n\t            return;\n\t          }\n\t        }\n\t        if (e.which == keyCode.ESCAPE) {\n\t          if (!getEditorLock().isActive()) {\n\t            return; // no editing mode to cancel, allow bubbling and default processing (exit without cancelling the event)\n\t          }\n\t          cancelEditAndSetFocus();\n\t        } else if (e.which == keyCode.PAGE_DOWN) {\n\t          navigatePageDown();\n\t          handled = true;\n\t        } else if (e.which == keyCode.PAGE_UP) {\n\t          navigatePageUp();\n\t          handled = true;\n\t        } else if (e.which == keyCode.LEFT) {\n\t          handled = navigateLeft();\n\t        } else if (e.which == keyCode.RIGHT) {\n\t          handled = navigateRight();\n\t        } else if (e.which == keyCode.UP) {\n\t          handled = navigateUp();\n\t        } else if (e.which == keyCode.DOWN) {\n\t          handled = navigateDown();\n\t        } else if (e.which == keyCode.TAB) {\n\t          handled = navigateNext();\n\t        } else if (e.which == keyCode.ENTER) {\n\t          if (options.editable) {\n\t            if (currentEditor) {\n\t              // adding new row\n\t              if (activeRow === getDataLength()) {\n\t                navigateDown();\n\t              } else {\n\t                commitEditAndSetFocus();\n\t              }\n\t            } else {\n\t              if (getEditorLock().commitCurrentEdit()) {\n\t                makeActiveCellEditable();\n\t              }\n\t            }\n\t          }\n\t          handled = true;\n\t        }\n\t      } else if (e.which == keyCode.TAB && e.shiftKey && !e.ctrlKey && !e.altKey) {\n\t        handled = navigatePrev();\n\t      }\n\t    }\n\t\n\t    if (handled) {\n\t      // the event has been handled so don't let parent element (bubbling/propagation) or browser (default) handle it\n\t      e.stopPropagation();\n\t      e.preventDefault();\n\t      try {\n\t        e.originalEvent.keyCode = 0; // prevent default behaviour for special keys in IE browsers (F3, F5, etc.)\n\t      }\n\t      // ignore exceptions - setting the original event's keycode throws access denied exception for \"Ctrl\"\n\t      // (hitting control key only, nothing else), \"Shift\" (maybe others)\n\t      catch (error) {}\n\t    }\n\t  }\n\t\n\t  function handleClick(e) {\n\t    if (!currentEditor) {\n\t      // if this click resulted in some cell child node getting focus,\n\t      // don't steal it back - keyboard events will still bubble up\n\t      // IE9+ seems to default DIVs to tabIndex=0 instead of -1, so check for cell clicks directly.\n\t      if (e.target != document.activeElement || (0, _jquery2.default)(e.target).hasClass('slick-cell')) {\n\t        setFocus();\n\t      }\n\t    }\n\t\n\t    var cell = getCellFromEvent(e);\n\t    if (!cell || currentEditor !== null && activeRow == cell.row && activeCell == cell.cell) {\n\t      return;\n\t    }\n\t\n\t    trigger(self.onClick, { row: cell.row, cell: cell.cell, grid: self }, e);\n\t    if (e.isImmediatePropagationStopped()) {\n\t      return;\n\t    }\n\t\n\t    if ((activeCell != cell.cell || activeRow != cell.row) && canCellBeActive(cell.row, cell.cell)) {\n\t      if (!getEditorLock().isActive() || getEditorLock().commitCurrentEdit()) {\n\t        scrollRowIntoView(cell.row, false);\n\t        setActiveCellInternal(getCellNode(cell.row, cell.cell));\n\t      }\n\t    }\n\t  }\n\t\n\t  function handleContextMenu(e) {\n\t    var $cell = (0, _jquery2.default)(e.target).closest('.slick-cell', $canvas);\n\t    if ($cell.length === 0) {\n\t      return;\n\t    }\n\t\n\t    // are we editing this cell?\n\t    if (activeCellNode === $cell[0] && currentEditor !== null) {\n\t      return;\n\t    }\n\t\n\t    trigger(self.onContextMenu, { grid: self }, e);\n\t  }\n\t\n\t  function handleDblClick(e) {\n\t    var cell = getCellFromEvent(e);\n\t    if (!cell || currentEditor !== null && activeRow == cell.row && activeCell == cell.cell) {\n\t      return;\n\t    }\n\t\n\t    trigger(self.onDblClick, { row: cell.row, cell: cell.cell, grid: self }, e);\n\t    if (e.isImmediatePropagationStopped()) {\n\t      return;\n\t    }\n\t\n\t    if (options.editable) {\n\t      gotoCell(cell.row, cell.cell, true);\n\t    }\n\t  }\n\t\n\t  function handleHeaderMouseEnter(e) {\n\t    trigger(self.onHeaderMouseEnter, {\n\t      'column': (0, _jquery2.default)(this).data('column'),\n\t      'grid': self\n\t    }, e);\n\t  }\n\t\n\t  function handleHeaderMouseLeave(e) {\n\t    trigger(self.onHeaderMouseLeave, {\n\t      'column': (0, _jquery2.default)(this).data('column'),\n\t      'grid': self\n\t    }, e);\n\t  }\n\t\n\t  function handleHeaderContextMenu(e) {\n\t    var $header = (0, _jquery2.default)(e.target).closest('.slick-header-column', '.slick-header-columns');\n\t    var column = $header && $header.data('column');\n\t    trigger(self.onHeaderContextMenu, { column: column, grid: self }, e);\n\t  }\n\t\n\t  function handleHeaderClick(e) {\n\t    var $header = (0, _jquery2.default)(e.target).closest('.slick-header-column', '.slick-header-columns');\n\t    var column = $header && $header.data('column');\n\t    if (column) {\n\t      trigger(self.onHeaderClick, { column: column, grid: self }, e);\n\t    }\n\t  }\n\t\n\t  function handleMouseEnter(e) {\n\t    trigger(self.onMouseEnter, { grid: self }, e);\n\t  }\n\t\n\t  function handleMouseLeave(e) {\n\t    trigger(self.onMouseLeave, { grid: self }, e);\n\t  }\n\t\n\t  function cellExists(row, cell) {\n\t    return !(row < 0 || row >= getDataLength() || cell < 0 || cell >= columns.length);\n\t  }\n\t\n\t  function getCellFromPoint(x, y) {\n\t    var row = getRowFromPosition(y);\n\t    var cell = 0;\n\t\n\t    var w = 0;\n\t    for (var i = 0; i < columns.length && w < x; i++) {\n\t      w += columns[i].width;\n\t      cell++;\n\t    }\n\t\n\t    if (cell < 0) {\n\t      cell = 0;\n\t    }\n\t\n\t    return { row: row, cell: cell - 1 };\n\t  }\n\t\n\t  function getCellFromNode(cellNode) {\n\t    // read column number from .l<columnNumber> CSS class\n\t    var cls = /l\\d+/.exec(cellNode.className);\n\t    if (!cls) {\n\t      throw 'getCellFromNode: cannot get cell - ' + cellNode.className;\n\t    }\n\t    return parseInt(cls[0].substr(1, cls[0].length - 1), 10);\n\t  }\n\t\n\t  function getRowFromNode(rowNode) {\n\t    for (var row in rowsCache) {\n\t      if (rowsCache[row].rowNode === rowNode) {\n\t        return row | 0;\n\t      }\n\t    }\n\t\n\t    return null;\n\t  }\n\t\n\t  function getCellFromEvent(e) {\n\t    var $cell = (0, _jquery2.default)(e.target).closest('.slick-cell', $canvas);\n\t    if (!$cell.length) {\n\t      return null;\n\t    }\n\t\n\t    var row = getRowFromNode($cell[0].parentNode);\n\t    var cell = getCellFromNode($cell[0]);\n\t\n\t    if (row == null || cell == null) {\n\t      return null;\n\t    } else {\n\t      return {\n\t        'row': row,\n\t        'cell': cell\n\t      };\n\t    }\n\t  }\n\t\n\t  function getCellNodeBox(row, cell) {\n\t    if (!cellExists(row, cell)) {\n\t      return null;\n\t    }\n\t\n\t    var y1 = getRowTop(row);\n\t    var y2 = y1 + options.rowHeight - 1;\n\t    var x1 = 0;\n\t    for (var i = 0; i < cell; i++) {\n\t      x1 += columns[i].width;\n\t    }\n\t    var x2 = x1 + columns[cell].width;\n\t\n\t    return {\n\t      top: y1,\n\t      left: x1,\n\t      bottom: y2,\n\t      right: x2\n\t    };\n\t  }\n\t\n\t  // ////////////////////////////////////////////////////////////////////////////////////////////\n\t  // Cell switching\n\t\n\t  function resetActiveCell() {\n\t    setActiveCellInternal(null, false);\n\t  }\n\t\n\t  function setFocus() {\n\t    if (tabbingDirection == -1) {\n\t      $focusSink[0].focus();\n\t    } else {\n\t      $focusSink2[0].focus();\n\t    }\n\t  }\n\t\n\t  function scrollCellIntoView(row, cell, doPaging) {\n\t    scrollRowIntoView(row, doPaging);\n\t\n\t    var colspan = getColspan(row, cell);\n\t    var left = columnPosLeft[cell],\n\t        right = columnPosRight[cell + (colspan > 1 ? colspan - 1 : 0)],\n\t        scrollRight = scrollLeft + viewportW;\n\t\n\t    if (left < scrollLeft) {\n\t      $viewport.scrollLeft(left);\n\t      handleScroll();\n\t      render();\n\t    } else if (right > scrollRight) {\n\t      $viewport.scrollLeft(Math.min(left, right - $viewport[0].clientWidth));\n\t      handleScroll();\n\t      render();\n\t    }\n\t  }\n\t\n\t  function setActiveCellInternal(newCell, opt_editMode) {\n\t    if (activeCellNode !== null) {\n\t      makeActiveCellNormal();\n\t      (0, _jquery2.default)(activeCellNode).removeClass('active');\n\t      if (rowsCache[activeRow]) {\n\t        (0, _jquery2.default)(rowsCache[activeRow].rowNode).removeClass('active');\n\t      }\n\t    }\n\t\n\t    var activeCellChanged = activeCellNode !== newCell;\n\t    activeCellNode = newCell;\n\t\n\t    if (activeCellNode != null) {\n\t      activeRow = getRowFromNode(activeCellNode.parentNode);\n\t      activeCell = activePosX = getCellFromNode(activeCellNode);\n\t\n\t      if (opt_editMode == null) {\n\t        opt_editMode = activeRow == getDataLength() || options.autoEdit;\n\t      }\n\t\n\t      (0, _jquery2.default)(activeCellNode).addClass('active');\n\t      (0, _jquery2.default)(rowsCache[activeRow].rowNode).addClass('active');\n\t\n\t      if (options.editable && opt_editMode && isCellPotentiallyEditable(activeRow, activeCell)) {\n\t        clearTimeout(h_editorLoader);\n\t\n\t        if (options.asyncEditorLoading) {\n\t          h_editorLoader = setTimeout(function () {\n\t            makeActiveCellEditable();\n\t          }, options.asyncEditorLoadDelay);\n\t        } else {\n\t          makeActiveCellEditable();\n\t        }\n\t      }\n\t    } else {\n\t      activeRow = activeCell = null;\n\t    }\n\t\n\t    if (activeCellChanged) {\n\t      trigger(self.onActiveCellChanged, getActiveCell());\n\t    }\n\t  }\n\t\n\t  function clearTextSelection() {\n\t    if (document.selection && document.selection.empty) {\n\t      try {\n\t        // IE fails here if selected element is not in dom\n\t        document.selection.empty();\n\t      } catch (e) {}\n\t    } else if (window.getSelection) {\n\t      var sel = window.getSelection();\n\t      if (sel && sel.removeAllRanges) {\n\t        sel.removeAllRanges();\n\t      }\n\t    }\n\t  }\n\t\n\t  function isCellPotentiallyEditable(row, cell) {\n\t    var dataLength = getDataLength();\n\t    // is the data for this row loaded?\n\t    if (row < dataLength && !getDataItem(row)) {\n\t      return false;\n\t    }\n\t\n\t    // are we in the Add New row?  can we create new from this cell?\n\t    if (columns[cell].cannotTriggerInsert && row >= dataLength) {\n\t      return false;\n\t    }\n\t\n\t    // does this cell have an editor?\n\t    if (!getEditor(row, cell)) {\n\t      return false;\n\t    }\n\t\n\t    return true;\n\t  }\n\t\n\t  function makeActiveCellNormal() {\n\t    if (!currentEditor) {\n\t      return;\n\t    }\n\t    trigger(self.onBeforeCellEditorDestroy, { editor: currentEditor, grid: self });\n\t    currentEditor.destroy();\n\t    currentEditor = null;\n\t\n\t    if (activeCellNode) {\n\t      var d = getDataItem(activeRow);\n\t      (0, _jquery2.default)(activeCellNode).removeClass('editable invalid');\n\t      if (d) {\n\t        var column = columns[activeCell];\n\t        var formatter = getFormatter(activeRow, column);\n\t        activeCellNode.innerHTML = formatter(activeRow, activeCell, getDataItemValueForColumn(d, column), column, d, self);\n\t        invalidatePostProcessingResults(activeRow);\n\t      }\n\t    }\n\t\n\t    // if there previously was text selected on a page (such as selected text in the edit cell just removed),\n\t    // IE can't set focus to anything else correctly\n\t    if (navigator.userAgent.toLowerCase().match(/msie/)) {\n\t      clearTextSelection();\n\t    }\n\t\n\t    getEditorLock().deactivate(editController);\n\t  }\n\t\n\t  function makeActiveCellEditable(editor) {\n\t    if (!activeCellNode) {\n\t      return;\n\t    }\n\t    if (!options.editable) {\n\t      throw 'Grid : makeActiveCellEditable : should never get called when options.editable is false';\n\t    }\n\t\n\t    // cancel pending async call if there is one\n\t    clearTimeout(h_editorLoader);\n\t\n\t    if (!isCellPotentiallyEditable(activeRow, activeCell)) {\n\t      return;\n\t    }\n\t\n\t    var columnDef = columns[activeCell];\n\t    var item = getDataItem(activeRow);\n\t\n\t    if (trigger(self.onBeforeEditCell, {\n\t      row: activeRow,\n\t      cell: activeCell,\n\t      item: item,\n\t      column: columnDef,\n\t      grid: self\n\t    }) === false) {\n\t      setFocus();\n\t      return;\n\t    }\n\t\n\t    getEditorLock().activate(editController);\n\t    (0, _jquery2.default)(activeCellNode).addClass('editable');\n\t\n\t    var useEditor = editor || getEditor(activeRow, activeCell);\n\t\n\t    // don't clear the cell if a custom editor is passed through\n\t    if (!editor && !useEditor.suppressClearOnEdit) {\n\t      activeCellNode.innerHTML = '';\n\t    }\n\t\n\t    currentEditor = new useEditor({\n\t      grid: self,\n\t      gridPosition: absBox($container[0]),\n\t      position: absBox(activeCellNode),\n\t      container: activeCellNode,\n\t      column: columnDef,\n\t      item: item || {},\n\t      commitChanges: commitEditAndSetFocus,\n\t      cancelChanges: cancelEditAndSetFocus\n\t    });\n\t\n\t    if (item) {\n\t      currentEditor.loadValue(item);\n\t    }\n\t\n\t    serializedEditorValue = currentEditor.serializeValue();\n\t\n\t    if (currentEditor.position) {\n\t      handleActiveCellPositionChange();\n\t    }\n\t  }\n\t\n\t  function commitEditAndSetFocus() {\n\t    // if the commit fails, it would do so due to a validation error\n\t    // if so, do not steal the focus from the editor\n\t    if (getEditorLock().commitCurrentEdit()) {\n\t      setFocus();\n\t      if (options.autoEdit) {\n\t        navigateDown();\n\t      }\n\t    }\n\t  }\n\t\n\t  function cancelEditAndSetFocus() {\n\t    if (getEditorLock().cancelCurrentEdit()) {\n\t      setFocus();\n\t    }\n\t  }\n\t\n\t  function absBox(elem) {\n\t    var box = {\n\t      top: elem.offsetTop,\n\t      left: elem.offsetLeft,\n\t      bottom: 0,\n\t      right: 0,\n\t      width: (0, _jquery2.default)(elem).outerWidth(),\n\t      height: (0, _jquery2.default)(elem).outerHeight(),\n\t      visible: true\n\t    };\n\t    box.bottom = box.top + box.height;\n\t    box.right = box.left + box.width;\n\t\n\t    // walk up the tree\n\t    var offsetParent = elem.offsetParent;\n\t    while ((elem = elem.parentNode) != document.body) {\n\t      if (elem == null) break;\n\t\n\t      if (box.visible && elem.scrollHeight != elem.offsetHeight && (0, _jquery2.default)(elem).css('overflowY') != 'visible') {\n\t        box.visible = box.bottom > elem.scrollTop && box.top < elem.scrollTop + elem.clientHeight;\n\t      }\n\t\n\t      if (box.visible && elem.scrollWidth != elem.offsetWidth && (0, _jquery2.default)(elem).css('overflowX') != 'visible') {\n\t        box.visible = box.right > elem.scrollLeft && box.left < elem.scrollLeft + elem.clientWidth;\n\t      }\n\t\n\t      box.left -= elem.scrollLeft;\n\t      box.top -= elem.scrollTop;\n\t\n\t      if (elem === offsetParent) {\n\t        box.left += elem.offsetLeft;\n\t        box.top += elem.offsetTop;\n\t        offsetParent = elem.offsetParent;\n\t      }\n\t\n\t      box.bottom = box.top + box.height;\n\t      box.right = box.left + box.width;\n\t    }\n\t\n\t    return box;\n\t  }\n\t\n\t  function getActiveCellPosition() {\n\t    return absBox(activeCellNode);\n\t  }\n\t\n\t  function getGridPosition() {\n\t    return absBox($container[0]);\n\t  }\n\t\n\t  function handleActiveCellPositionChange() {\n\t    if (!activeCellNode) {\n\t      return;\n\t    }\n\t\n\t    trigger(self.onActiveCellPositionChanged, { grid: self });\n\t\n\t    if (currentEditor) {\n\t      var cellBox = getActiveCellPosition();\n\t      if (currentEditor.show && currentEditor.hide) {\n\t        if (!cellBox.visible) {\n\t          currentEditor.hide();\n\t        } else {\n\t          currentEditor.show();\n\t        }\n\t      }\n\t\n\t      if (currentEditor.position) {\n\t        currentEditor.position(cellBox);\n\t      }\n\t    }\n\t  }\n\t\n\t  function getCellEditor() {\n\t    return currentEditor;\n\t  }\n\t\n\t  function getActiveCell() {\n\t    if (!activeCellNode) {\n\t      return null;\n\t    } else {\n\t      return { row: activeRow, cell: activeCell, grid: self };\n\t    }\n\t  }\n\t\n\t  function getActiveCellNode() {\n\t    return activeCellNode;\n\t  }\n\t\n\t  function scrollRowIntoView(row, doPaging) {\n\t    var rowAtTop = row * options.rowHeight;\n\t    var rowAtBottom = (row + 1) * options.rowHeight - viewportH + (viewportHasHScroll ? scrollbarDimensions.height : 0);\n\t\n\t    // need to page down?\n\t    if ((row + 1) * options.rowHeight > scrollTop + viewportH + offset) {\n\t      scrollTo(doPaging ? rowAtTop : rowAtBottom);\n\t      render();\n\t    }\n\t    // or page up?\n\t    else if (row * options.rowHeight < scrollTop + offset) {\n\t        scrollTo(doPaging ? rowAtBottom : rowAtTop);\n\t        render();\n\t      }\n\t  }\n\t\n\t  function scrollRowToTop(row) {\n\t    scrollTo(row * options.rowHeight);\n\t    render();\n\t  }\n\t\n\t  function scrollPage(dir) {\n\t    var deltaRows = dir * numVisibleRows;\n\t    scrollTo((getRowFromPosition(scrollTop) + deltaRows) * options.rowHeight);\n\t    render();\n\t\n\t    if (options.enableCellNavigation && activeRow != null) {\n\t      var row = activeRow + deltaRows;\n\t      var dataLengthIncludingAddNew = getDataLengthIncludingAddNew();\n\t      if (row >= dataLengthIncludingAddNew) {\n\t        row = dataLengthIncludingAddNew - 1;\n\t      }\n\t      if (row < 0) {\n\t        row = 0;\n\t      }\n\t\n\t      var cell = 0,\n\t          prevCell = null;\n\t      var prevActivePosX = activePosX;\n\t      while (cell <= activePosX) {\n\t        if (canCellBeActive(row, cell)) {\n\t          prevCell = cell;\n\t        }\n\t        cell += getColspan(row, cell);\n\t      }\n\t\n\t      if (prevCell !== null) {\n\t        setActiveCellInternal(getCellNode(row, prevCell));\n\t        activePosX = prevActivePosX;\n\t      } else {\n\t        resetActiveCell();\n\t      }\n\t    }\n\t  }\n\t\n\t  function navigatePageDown() {\n\t    scrollPage(1);\n\t  }\n\t\n\t  function navigatePageUp() {\n\t    scrollPage(-1);\n\t  }\n\t\n\t  function getColspan(row, cell) {\n\t    var metadata = data.getItemMetadata && data.getItemMetadata(row);\n\t    if (!metadata || !metadata.columns) {\n\t      return 1;\n\t    }\n\t\n\t    var columnData = metadata.columns[columns[cell].id] || metadata.columns[cell];\n\t    var colspan = columnData && columnData.colspan;\n\t    if (colspan === '*') {\n\t      colspan = columns.length - cell;\n\t    } else {\n\t      colspan = colspan || 1;\n\t    }\n\t\n\t    return colspan;\n\t  }\n\t\n\t  function findFirstFocusableCell(row) {\n\t    var cell = 0;\n\t    while (cell < columns.length) {\n\t      if (canCellBeActive(row, cell)) {\n\t        return cell;\n\t      }\n\t      cell += getColspan(row, cell);\n\t    }\n\t    return null;\n\t  }\n\t\n\t  function findLastFocusableCell(row) {\n\t    var cell = 0;\n\t    var lastFocusableCell = null;\n\t    while (cell < columns.length) {\n\t      if (canCellBeActive(row, cell)) {\n\t        lastFocusableCell = cell;\n\t      }\n\t      cell += getColspan(row, cell);\n\t    }\n\t    return lastFocusableCell;\n\t  }\n\t\n\t  function gotoRight(row, cell, posX) {\n\t    if (cell >= columns.length) {\n\t      return null;\n\t    }\n\t\n\t    do {\n\t      cell += getColspan(row, cell);\n\t    } while (cell < columns.length && !canCellBeActive(row, cell));\n\t\n\t    if (cell < columns.length) {\n\t      return {\n\t        'row': row,\n\t        'cell': cell,\n\t        'posX': cell\n\t      };\n\t    }\n\t    return null;\n\t  }\n\t\n\t  function gotoLeft(row, cell, posX) {\n\t    if (cell <= 0) {\n\t      return null;\n\t    }\n\t\n\t    var firstFocusableCell = findFirstFocusableCell(row);\n\t    if (firstFocusableCell === null || firstFocusableCell >= cell) {\n\t      return null;\n\t    }\n\t\n\t    var prev = {\n\t      'row': row,\n\t      'cell': firstFocusableCell,\n\t      'posX': firstFocusableCell\n\t    };\n\t    var pos;\n\t    while (true) {\n\t      pos = gotoRight(prev.row, prev.cell, prev.posX);\n\t      if (!pos) {\n\t        return null;\n\t      }\n\t      if (pos.cell >= cell) {\n\t        return prev;\n\t      }\n\t      prev = pos;\n\t    }\n\t  }\n\t\n\t  function gotoDown(row, cell, posX) {\n\t    var prevCell;\n\t    var dataLengthIncludingAddNew = getDataLengthIncludingAddNew();\n\t    while (true) {\n\t      if (++row >= dataLengthIncludingAddNew) {\n\t        return null;\n\t      }\n\t\n\t      prevCell = cell = 0;\n\t      while (cell <= posX) {\n\t        prevCell = cell;\n\t        cell += getColspan(row, cell);\n\t      }\n\t\n\t      if (canCellBeActive(row, prevCell)) {\n\t        return {\n\t          'row': row,\n\t          'cell': prevCell,\n\t          'posX': posX\n\t        };\n\t      }\n\t    }\n\t  }\n\t\n\t  function gotoUp(row, cell, posX) {\n\t    var prevCell;\n\t    while (true) {\n\t      if (--row < 0) {\n\t        return null;\n\t      }\n\t\n\t      prevCell = cell = 0;\n\t      while (cell <= posX) {\n\t        prevCell = cell;\n\t        cell += getColspan(row, cell);\n\t      }\n\t\n\t      if (canCellBeActive(row, prevCell)) {\n\t        return {\n\t          'row': row,\n\t          'cell': prevCell,\n\t          'posX': posX\n\t        };\n\t      }\n\t    }\n\t  }\n\t\n\t  function gotoNext(row, cell, posX) {\n\t    if (row == null && cell == null) {\n\t      row = cell = posX = 0;\n\t      if (canCellBeActive(row, cell)) {\n\t        return {\n\t          'row': row,\n\t          'cell': cell,\n\t          'posX': cell\n\t        };\n\t      }\n\t    }\n\t\n\t    var pos = gotoRight(row, cell, posX);\n\t    if (pos) {\n\t      return pos;\n\t    }\n\t\n\t    var firstFocusableCell = null;\n\t    var dataLengthIncludingAddNew = getDataLengthIncludingAddNew();\n\t    while (++row < dataLengthIncludingAddNew) {\n\t      firstFocusableCell = findFirstFocusableCell(row);\n\t      if (firstFocusableCell !== null) {\n\t        return {\n\t          'row': row,\n\t          'cell': firstFocusableCell,\n\t          'posX': firstFocusableCell\n\t        };\n\t      }\n\t    }\n\t    return null;\n\t  }\n\t\n\t  function gotoPrev(row, cell, posX) {\n\t    if (row == null && cell == null) {\n\t      row = getDataLengthIncludingAddNew() - 1;\n\t      cell = posX = columns.length - 1;\n\t      if (canCellBeActive(row, cell)) {\n\t        return {\n\t          'row': row,\n\t          'cell': cell,\n\t          'posX': cell\n\t        };\n\t      }\n\t    }\n\t\n\t    var pos;\n\t    var lastSelectableCell;\n\t    while (!pos) {\n\t      pos = gotoLeft(row, cell, posX);\n\t      if (pos) {\n\t        break;\n\t      }\n\t      if (--row < 0) {\n\t        return null;\n\t      }\n\t\n\t      cell = 0;\n\t      lastSelectableCell = findLastFocusableCell(row);\n\t      if (lastSelectableCell !== null) {\n\t        pos = {\n\t          'row': row,\n\t          'cell': lastSelectableCell,\n\t          'posX': lastSelectableCell\n\t        };\n\t      }\n\t    }\n\t    return pos;\n\t  }\n\t\n\t  function navigateRight() {\n\t    return navigate('right');\n\t  }\n\t\n\t  function navigateLeft() {\n\t    return navigate('left');\n\t  }\n\t\n\t  function navigateDown() {\n\t    return navigate('down');\n\t  }\n\t\n\t  function navigateUp() {\n\t    return navigate('up');\n\t  }\n\t\n\t  function navigateNext() {\n\t    return navigate('next');\n\t  }\n\t\n\t  function navigatePrev() {\n\t    return navigate('prev');\n\t  }\n\t\n\t  /**\n\t   * @param {string} dir Navigation direction.\n\t   * @return {boolean} Whether navigation resulted in a change of active cell.\n\t   */\n\t  function navigate(dir) {\n\t    if (!options.enableCellNavigation) {\n\t      return false;\n\t    }\n\t\n\t    if (!activeCellNode && dir != 'prev' && dir != 'next') {\n\t      return false;\n\t    }\n\t\n\t    if (!getEditorLock().commitCurrentEdit()) {\n\t      return true;\n\t    }\n\t    setFocus();\n\t\n\t    var tabbingDirections = {\n\t      'up': -1,\n\t      'down': 1,\n\t      'left': -1,\n\t      'right': 1,\n\t      'prev': -1,\n\t      'next': 1\n\t    };\n\t    tabbingDirection = tabbingDirections[dir];\n\t\n\t    var stepFunctions = {\n\t      'up': gotoUp,\n\t      'down': gotoDown,\n\t      'left': gotoLeft,\n\t      'right': gotoRight,\n\t      'prev': gotoPrev,\n\t      'next': gotoNext\n\t    };\n\t    var stepFn = stepFunctions[dir];\n\t    var pos = stepFn(activeRow, activeCell, activePosX);\n\t    if (pos) {\n\t      var isAddNewRow = pos.row == getDataLength();\n\t      scrollCellIntoView(pos.row, pos.cell, !isAddNewRow);\n\t      setActiveCellInternal(getCellNode(pos.row, pos.cell));\n\t      activePosX = pos.posX;\n\t      return true;\n\t    } else {\n\t      setActiveCellInternal(getCellNode(activeRow, activeCell));\n\t      return false;\n\t    }\n\t  }\n\t\n\t  function getCellNode(row, cell) {\n\t    if (rowsCache[row]) {\n\t      ensureCellNodesInRowsCache(row);\n\t      return rowsCache[row].cellNodesByColumnIdx[cell];\n\t    }\n\t    return null;\n\t  }\n\t\n\t  function setActiveCell(row, cell) {\n\t    if (!initialized) {\n\t      return;\n\t    }\n\t    if (row > getDataLength() || row < 0 || cell >= columns.length || cell < 0) {\n\t      return;\n\t    }\n\t\n\t    if (!options.enableCellNavigation) {\n\t      return;\n\t    }\n\t\n\t    scrollCellIntoView(row, cell, false);\n\t    setActiveCellInternal(getCellNode(row, cell), false);\n\t  }\n\t\n\t  function canCellBeActive(row, cell) {\n\t    if (!options.enableCellNavigation || row >= getDataLengthIncludingAddNew() || row < 0 || cell >= columns.length || cell < 0) {\n\t      return false;\n\t    }\n\t\n\t    var rowMetadata = data.getItemMetadata && data.getItemMetadata(row);\n\t    if (rowMetadata && typeof rowMetadata.focusable === 'boolean') {\n\t      return rowMetadata.focusable;\n\t    }\n\t\n\t    var columnMetadata = rowMetadata && rowMetadata.columns;\n\t    if (columnMetadata && columnMetadata[columns[cell].id] && typeof columnMetadata[columns[cell].id].focusable === 'boolean') {\n\t      return columnMetadata[columns[cell].id].focusable;\n\t    }\n\t    if (columnMetadata && columnMetadata[cell] && typeof columnMetadata[cell].focusable === 'boolean') {\n\t      return columnMetadata[cell].focusable;\n\t    }\n\t\n\t    return columns[cell].focusable;\n\t  }\n\t\n\t  function canCellBeSelected(row, cell) {\n\t    if (row >= getDataLength() || row < 0 || cell >= columns.length || cell < 0) {\n\t      return false;\n\t    }\n\t\n\t    var rowMetadata = data.getItemMetadata && data.getItemMetadata(row);\n\t    if (rowMetadata && typeof rowMetadata.selectable === 'boolean') {\n\t      return rowMetadata.selectable;\n\t    }\n\t\n\t    var columnMetadata = rowMetadata && rowMetadata.columns && (rowMetadata.columns[columns[cell].id] || rowMetadata.columns[cell]);\n\t    if (columnMetadata && typeof columnMetadata.selectable === 'boolean') {\n\t      return columnMetadata.selectable;\n\t    }\n\t\n\t    return columns[cell].selectable;\n\t  }\n\t\n\t  function gotoCell(row, cell, forceEdit) {\n\t    if (!initialized) {\n\t      return;\n\t    }\n\t    if (!canCellBeActive(row, cell)) {\n\t      return;\n\t    }\n\t\n\t    if (!getEditorLock().commitCurrentEdit()) {\n\t      return;\n\t    }\n\t\n\t    scrollCellIntoView(row, cell, false);\n\t\n\t    var newCell = getCellNode(row, cell);\n\t\n\t    // if selecting the 'add new' row, start editing right away\n\t    setActiveCellInternal(newCell, forceEdit || row === getDataLength() || options.autoEdit);\n\t\n\t    // if no editor was created, set the focus back on the grid\n\t    if (!currentEditor) {\n\t      setFocus();\n\t    }\n\t  }\n\t\n\t  // ////////////////////////////////////////////////////////////////////////////////////////////\n\t  // IEditor implementation for the editor lock\n\t\n\t  function commitCurrentEdit() {\n\t    var item = getDataItem(activeRow);\n\t    var column = columns[activeCell];\n\t\n\t    if (currentEditor) {\n\t      if (currentEditor.isValueChanged()) {\n\t        var validationResults = currentEditor.validate();\n\t\n\t        if (validationResults.valid) {\n\t          if (activeRow < getDataLength()) {\n\t            var editCommand = {\n\t              row: activeRow,\n\t              cell: activeCell,\n\t              editor: currentEditor,\n\t              serializedValue: currentEditor.serializeValue(),\n\t              prevSerializedValue: serializedEditorValue,\n\t              execute: function execute() {\n\t                this.editor.applyValue(item, this.serializedValue);\n\t                updateRow(this.row);\n\t                trigger(self.onCellChange, {\n\t                  row: activeRow,\n\t                  cell: activeCell,\n\t                  item: item,\n\t                  grid: self\n\t                });\n\t              },\n\t              undo: function undo() {\n\t                this.editor.applyValue(item, this.prevSerializedValue);\n\t                updateRow(this.row);\n\t                trigger(self.onCellChange, {\n\t                  row: activeRow,\n\t                  cell: activeCell,\n\t                  item: item,\n\t                  grid: self\n\t                });\n\t              }\n\t            };\n\t\n\t            if (options.editCommandHandler) {\n\t              makeActiveCellNormal();\n\t              options.editCommandHandler(item, column, editCommand);\n\t            } else {\n\t              editCommand.execute();\n\t              makeActiveCellNormal();\n\t            }\n\t          } else {\n\t            var newItem = {};\n\t            currentEditor.applyValue(newItem, currentEditor.serializeValue());\n\t            makeActiveCellNormal();\n\t            trigger(self.onAddNewRow, { item: newItem, column: column, grid: self });\n\t          }\n\t\n\t          // check whether the lock has been re-acquired by event handlers\n\t          return !getEditorLock().isActive();\n\t        } else {\n\t          // Re-add the CSS class to trigger transitions, if any.\n\t          (0, _jquery2.default)(activeCellNode).removeClass('invalid');\n\t          (0, _jquery2.default)(activeCellNode).width(); // force layout\n\t          (0, _jquery2.default)(activeCellNode).addClass('invalid');\n\t\n\t          trigger(self.onValidationError, {\n\t            editor: currentEditor,\n\t            cellNode: activeCellNode,\n\t            validationResults: validationResults,\n\t            row: activeRow,\n\t            cell: activeCell,\n\t            column: column,\n\t            grid: self\n\t          });\n\t\n\t          currentEditor.focus();\n\t          return false;\n\t        }\n\t      }\n\t\n\t      makeActiveCellNormal();\n\t    }\n\t    return true;\n\t  }\n\t\n\t  function cancelCurrentEdit() {\n\t    makeActiveCellNormal();\n\t    return true;\n\t  }\n\t\n\t  function rowsToRanges(rows) {\n\t    var ranges = [];\n\t    var lastCell = columns.length - 1;\n\t    for (var i = 0; i < rows.length; i++) {\n\t      ranges.push(new _slick2.default.Range(rows[i], 0, rows[i], lastCell));\n\t    }\n\t    return ranges;\n\t  }\n\t\n\t  function getSelectedRows() {\n\t    if (!selectionModel) {\n\t      throw 'Selection model is not set';\n\t    }\n\t    return selectedRows;\n\t  }\n\t\n\t  function setSelectedRows(rows) {\n\t    if (!selectionModel) {\n\t      throw 'Selection model is not set';\n\t    }\n\t    selectionModel.setSelectedRanges(rowsToRanges(rows));\n\t  }\n\t\n\t  // ////////////////////////////////////////////////////////////////////////////////////////////\n\t  // Debug\n\t\n\t  this.debug = function () {\n\t    var s = '';\n\t\n\t    s += '\\n' + 'counter_rows_rendered:  ' + counter_rows_rendered;\n\t    s += '\\n' + 'counter_rows_removed:  ' + counter_rows_removed;\n\t    s += '\\n' + 'renderedRows:  ' + renderedRows;\n\t    s += '\\n' + 'numVisibleRows:  ' + numVisibleRows;\n\t    s += '\\n' + 'maxSupportedCssHeight:  ' + maxSupportedCssHeight;\n\t    s += '\\n' + 'n(umber of pages):  ' + n;\n\t    s += '\\n' + '(current) page:  ' + page;\n\t    s += '\\n' + 'page height (ph):  ' + ph;\n\t    s += '\\n' + 'vScrollDir:  ' + vScrollDir;\n\t\n\t    alert(s);\n\t  };\n\t\n\t  // a debug helper to be able to access private members\n\t  this.eval = function (expr) {\n\t    return eval(expr);\n\t  };\n\t\n\t  // ////////////////////////////////////////////////////////////////////////////////////////////\n\t  // Public API\n\t\n\t  _jquery2.default.extend(this, {\n\t    'slickGridVersion': '2.2.4',\n\t\n\t    // Events\n\t    'onScroll': new _slick2.default.Event(),\n\t    'onSort': new _slick2.default.Event(),\n\t    'onHeaderMouseEnter': new _slick2.default.Event(),\n\t    'onHeaderMouseLeave': new _slick2.default.Event(),\n\t    'onHeaderContextMenu': new _slick2.default.Event(),\n\t    'onHeaderClick': new _slick2.default.Event(),\n\t    'onHeaderCellRendered': new _slick2.default.Event(),\n\t    'onBeforeHeaderCellDestroy': new _slick2.default.Event(),\n\t    'onHeaderRowCellRendered': new _slick2.default.Event(),\n\t    'onFooterRowCellRendered': new _slick2.default.Event(),\n\t    'onBeforeHeaderRowCellDestroy': new _slick2.default.Event(),\n\t    'onBeforeFooterRowCellDestroy': new _slick2.default.Event(),\n\t    'onMouseEnter': new _slick2.default.Event(),\n\t    'onMouseLeave': new _slick2.default.Event(),\n\t    'onClick': new _slick2.default.Event(),\n\t    'onDblClick': new _slick2.default.Event(),\n\t    'onContextMenu': new _slick2.default.Event(),\n\t    'onKeyDown': new _slick2.default.Event(),\n\t    'onAddNewRow': new _slick2.default.Event(),\n\t    'onValidationError': new _slick2.default.Event(),\n\t    'onViewportChanged': new _slick2.default.Event(),\n\t    'onColumnsReordered': new _slick2.default.Event(),\n\t    'onColumnsResized': new _slick2.default.Event(),\n\t    'onCellChange': new _slick2.default.Event(),\n\t    'onBeforeEditCell': new _slick2.default.Event(),\n\t    'onBeforeCellEditorDestroy': new _slick2.default.Event(),\n\t    'onBeforeDestroy': new _slick2.default.Event(),\n\t    'onActiveCellChanged': new _slick2.default.Event(),\n\t    'onActiveCellPositionChanged': new _slick2.default.Event(),\n\t    'onDragInit': new _slick2.default.Event(),\n\t    'onDragStart': new _slick2.default.Event(),\n\t    'onDrag': new _slick2.default.Event(),\n\t    'onDragEnd': new _slick2.default.Event(),\n\t    'onSelectedRowsChanged': new _slick2.default.Event(),\n\t    'onCellCssStylesChanged': new _slick2.default.Event(),\n\t\n\t    // Methods\n\t    'registerPlugin': registerPlugin,\n\t    'unregisterPlugin': unregisterPlugin,\n\t    'getColumns': getColumns,\n\t    'setColumns': setColumns,\n\t    'getColumnIndex': getColumnIndex,\n\t    'updateColumnHeader': updateColumnHeader,\n\t    'setSortColumn': setSortColumn,\n\t    'setSortColumns': setSortColumns,\n\t    'getSortColumns': getSortColumns,\n\t    'autosizeColumns': autosizeColumns,\n\t    'getOptions': getOptions,\n\t    'setOptions': setOptions,\n\t    'getData': getData,\n\t    'getDataLength': getDataLength,\n\t    'getDataItem': getDataItem,\n\t    'setData': setData,\n\t    'getSelectionModel': getSelectionModel,\n\t    'setSelectionModel': setSelectionModel,\n\t    'getSelectedRows': getSelectedRows,\n\t    'setSelectedRows': setSelectedRows,\n\t    'getContainerNode': getContainerNode,\n\t\n\t    'render': render,\n\t    'invalidate': invalidate,\n\t    'invalidateRow': invalidateRow,\n\t    'invalidateRows': invalidateRows,\n\t    'invalidateAllRows': invalidateAllRows,\n\t    'updateCell': updateCell,\n\t    'updateRow': updateRow,\n\t    'getViewport': getVisibleRange,\n\t    'getRenderedRange': getRenderedRange,\n\t    'resizeCanvas': resizeCanvas,\n\t    'updateRowCount': updateRowCount,\n\t    'scrollRowIntoView': scrollRowIntoView,\n\t    'scrollRowToTop': scrollRowToTop,\n\t    'scrollCellIntoView': scrollCellIntoView,\n\t    'getCanvasNode': getCanvasNode,\n\t    'focus': setFocus,\n\t\n\t    'getCellFromPoint': getCellFromPoint,\n\t    'getCellFromEvent': getCellFromEvent,\n\t    'getActiveCell': getActiveCell,\n\t    'setActiveCell': setActiveCell,\n\t    'getActiveCellNode': getActiveCellNode,\n\t    'getActiveCellPosition': getActiveCellPosition,\n\t    'resetActiveCell': resetActiveCell,\n\t    'editActiveCell': makeActiveCellEditable,\n\t    'getCellEditor': getCellEditor,\n\t    'getCellNode': getCellNode,\n\t    'getCellNodeBox': getCellNodeBox,\n\t    'canCellBeSelected': canCellBeSelected,\n\t    'canCellBeActive': canCellBeActive,\n\t    'navigatePrev': navigatePrev,\n\t    'navigateNext': navigateNext,\n\t    'navigateUp': navigateUp,\n\t    'navigateDown': navigateDown,\n\t    'navigateLeft': navigateLeft,\n\t    'navigateRight': navigateRight,\n\t    'navigatePageUp': navigatePageUp,\n\t    'navigatePageDown': navigatePageDown,\n\t    'gotoCell': gotoCell,\n\t    'getTopPanel': getTopPanel,\n\t    'setTopPanelVisibility': setTopPanelVisibility,\n\t    'setHeaderRowVisibility': setHeaderRowVisibility,\n\t    'getHeaderRow': getHeaderRow,\n\t    'getHeaderRowColumn': getHeaderRowColumn,\n\t    'setFooterRowVisibility': setFooterRowVisibility,\n\t    'getFooterRow': getFooterRow,\n\t    'getFooterRowColumn': getFooterRowColumn,\n\t    'getGridPosition': getGridPosition,\n\t    'flashCell': flashCell,\n\t    'addCellCssStyles': addCellCssStyles,\n\t    'setCellCssStyles': setCellCssStyles,\n\t    'removeCellCssStyles': removeCellCssStyles,\n\t    'getCellCssStyles': getCellCssStyles,\n\t\n\t    'init': finishInitialization,\n\t    'destroy': destroy,\n\t\n\t    // IEditor implementation\n\t    'getEditorLock': getEditorLock,\n\t    'getEditController': getEditController\n\t  });\n\t\n\t  init();\n\t}\n\n/***/ }),\n/* 31 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tObject.defineProperty(exports, \"__esModule\", {\n\t  value: true\n\t});\n\t\n\tvar _jquery = __webpack_require__(2);\n\t\n\tvar _jquery2 = _interopRequireDefault(_jquery);\n\t\n\tvar _slick = __webpack_require__(1);\n\t\n\tvar _slick2 = _interopRequireDefault(_slick);\n\t\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\t\n\texports.default = GroupItemMetadataProvider;\n\t\n\t/***\n\t * Provides item metadata for group (Slick.Group) and totals (Slick.Totals) rows produced by the DataView.\n\t * This metadata overrides the default behavior and formatting of those rows so that they appear and function\n\t * correctly when processed by the grid.\n\t *\n\t * This class also acts as a grid plugin providing event handlers to expand & collapse groups.\n\t * If \"grid.registerPlugin(...)\" is not called, expand & collapse will not work.\n\t *\n\t * @class GroupItemMetadataProvider\n\t * @module Data\n\t * @namespace Slick.Data\n\t * @constructor\n\t * @param options\n\t */\n\t\n\tfunction GroupItemMetadataProvider(options) {\n\t  var _grid = void 0;\n\t  var _defaults = {\n\t    groupCssClass: \"slick-group\",\n\t    groupTitleCssClass: \"slick-group-title\",\n\t    totalsCssClass: \"slick-group-totals\",\n\t    groupFocusable: true,\n\t    totalsFocusable: false,\n\t    toggleCssClass: \"slick-group-toggle\",\n\t    toggleExpandedCssClass: \"expanded\",\n\t    toggleCollapsedCssClass: \"collapsed\",\n\t    enableExpandCollapse: true,\n\t    groupFormatter: defaultGroupCellFormatter,\n\t    totalsFormatter: defaultTotalsCellFormatter\n\t  };\n\t\n\t  options = _jquery2.default.extend(true, {}, _defaults, options);\n\t\n\t  function defaultGroupCellFormatter(row, cell, value, columnDef, item) {\n\t    if (!options.enableExpandCollapse) {\n\t      return item.title;\n\t    }\n\t\n\t    var indentation = item.level * 15 + \"px\";\n\t\n\t    return \"<span class='\" + options.toggleCssClass + \" \" + (item.collapsed ? options.toggleCollapsedCssClass : options.toggleExpandedCssClass) + \"' style='margin-left:\" + indentation + \"'>\" + \"</span>\" + \"<span class='\" + options.groupTitleCssClass + \"' level='\" + item.level + \"'>\" + item.title + \"</span>\";\n\t  }\n\t\n\t  function defaultTotalsCellFormatter(row, cell, value, columnDef, item) {\n\t    return columnDef.groupTotalsFormatter && columnDef.groupTotalsFormatter(item, columnDef) || \"\";\n\t  }\n\t\n\t  function init(grid) {\n\t    _grid = grid;\n\t    _grid.onClick.subscribe(handleGridClick);\n\t    _grid.onKeyDown.subscribe(handleGridKeyDown);\n\t  }\n\t\n\t  function destroy() {\n\t    if (_grid) {\n\t      _grid.onClick.unsubscribe(handleGridClick);\n\t      _grid.onKeyDown.unsubscribe(handleGridKeyDown);\n\t    }\n\t  }\n\t\n\t  function handleGridClick(e, args) {\n\t    var item = this.getDataItem(args.row);\n\t    if (item && item instanceof _slick2.default.Group && (0, _jquery2.default)(e.target).hasClass(options.toggleCssClass)) {\n\t      var range = _grid.getRenderedRange();\n\t      this.getData().setRefreshHints({\n\t        ignoreDiffsBefore: range.top,\n\t        ignoreDiffsAfter: range.bottom + 1\n\t      });\n\t\n\t      if (item.collapsed) {\n\t        this.getData().expandGroup(item.groupingKey);\n\t      } else {\n\t        this.getData().collapseGroup(item.groupingKey);\n\t      }\n\t\n\t      e.stopImmediatePropagation();\n\t      e.preventDefault();\n\t    }\n\t  }\n\t\n\t  // TODO:  add -/+ handling\n\t  function handleGridKeyDown(e) {\n\t    if (options.enableExpandCollapse && e.which == _slick2.default.keyCode.SPACE) {\n\t      var activeCell = this.getActiveCell();\n\t      if (activeCell) {\n\t        var item = this.getDataItem(activeCell.row);\n\t        if (item && item instanceof _slick2.default.Group) {\n\t          var range = _grid.getRenderedRange();\n\t          this.getData().setRefreshHints({\n\t            ignoreDiffsBefore: range.top,\n\t            ignoreDiffsAfter: range.bottom + 1\n\t          });\n\t\n\t          if (item.collapsed) {\n\t            this.getData().expandGroup(item.groupingKey);\n\t          } else {\n\t            this.getData().collapseGroup(item.groupingKey);\n\t          }\n\t\n\t          e.stopImmediatePropagation();\n\t          e.preventDefault();\n\t        }\n\t      }\n\t    }\n\t  }\n\t\n\t  function getGroupRowMetadata(item) {\n\t    return {\n\t      selectable: false,\n\t      focusable: options.groupFocusable,\n\t      cssClasses: options.groupCssClass,\n\t      columns: {\n\t        0: {\n\t          colspan: \"*\",\n\t          formatter: options.groupFormatter,\n\t          editor: null\n\t        }\n\t      }\n\t    };\n\t  }\n\t\n\t  function getTotalsRowMetadata(item) {\n\t    return {\n\t      selectable: false,\n\t      focusable: options.totalsFocusable,\n\t      cssClasses: options.totalsCssClass,\n\t      formatter: options.totalsFormatter,\n\t      editor: null\n\t    };\n\t  }\n\t\n\t  return {\n\t    init: init,\n\t    destroy: destroy,\n\t    getGroupRowMetadata: getGroupRowMetadata,\n\t    getTotalsRowMetadata: getTotalsRowMetadata\n\t  };\n\t}\n\n/***/ }),\n/* 32 */\n/***/ (function(module, exports) {\n\n\tmodule.exports = require(\"flatpickr\");\n\n/***/ })\n/******/ ])));\n\n\n// WEBPACK FOOTER //\n// slick.es6.min.js"," \t// The module cache\n \tvar installedModules = {};\n\n \t// The require function\n \tfunction __webpack_require__(moduleId) {\n\n \t\t// Check if module is in cache\n \t\tif(installedModules[moduleId])\n \t\t\treturn installedModules[moduleId].exports;\n\n \t\t// Create a new module (and put it into the cache)\n \t\tvar module = installedModules[moduleId] = {\n \t\t\texports: {},\n \t\t\tid: moduleId,\n \t\t\tloaded: false\n \t\t};\n\n \t\t// Execute the module function\n \t\tmodules[moduleId].call(module.exports, module, module.exports, __webpack_require__);\n\n \t\t// Flag the module as loaded\n \t\tmodule.loaded = true;\n\n \t\t// Return the exports of the module\n \t\treturn module.exports;\n \t}\n\n\n \t// expose the modules object (__webpack_modules__)\n \t__webpack_require__.m = modules;\n\n \t// expose the module cache\n \t__webpack_require__.c = installedModules;\n\n \t// __webpack_public_path__\n \t__webpack_require__.p = \"/\";\n\n \t// Load entry module and return exports\n \treturn __webpack_require__(0);\n\n\n\n// WEBPACK FOOTER //\n// webpack/bootstrap 954b9e24953f6fac1bb7","/** *\n * Contains core SlickGrid classes.\n * @module Core\n * @namespace Slick\n */\nconst Slick = {\n  Event: Event,\n  EventData: EventData,\n  EventHandler: EventHandler,\n  Range: Range,\n  NonDataRow: NonDataItem,\n  Group: Group,\n  GroupTotals: GroupTotals,\n  EditorLock: EditorLock,\n  /** *\n   * A global singleton editor lock.\n   * @class GlobalEditorLock\n   * @static\n   * @constructor\n   */\n  GlobalEditorLock: new EditorLock(),\n  TreeColumns: TreeColumns,\n\n  keyCode: {\n    BACKSPACE: 8,\n    DELETE: 46,\n    DOWN: 40,\n    END: 35,\n    ENTER: 13,\n    ESCAPE: 27,\n    HOME: 36,\n    INSERT: 45,\n    LEFT: 37,\n    PAGE_DOWN: 34,\n    PAGE_UP: 33,\n    RIGHT: 39,\n    TAB: 9,\n    UP: 38,\n    SPACE: 32\n  }\n};\n\nexport default Slick;\n\n/***\n * An event object for passing data to event handlers and letting them control propagation.\n * <p>This is pretty much identical to how W3C and jQuery implement events.</p>\n * @class EventData\n * @constructor\n */\nfunction EventData() {\n  var isPropagationStopped = false;\n  var isImmediatePropagationStopped = false;\n\n  /***\n   * Stops event from propagating up the DOM tree.\n   * @method stopPropagation\n   */\n  this.stopPropagation = function() {\n    isPropagationStopped = true;\n  };\n\n  /***\n   * Returns whether stopPropagation was called on this event object.\n   * @method isPropagationStopped\n   * @return {Boolean}\n   */\n  this.isPropagationStopped = function() {\n    return isPropagationStopped;\n  };\n\n  /***\n   * Prevents the rest of the handlers from being executed.\n   * @method stopImmediatePropagation\n   */\n  this.stopImmediatePropagation = function() {\n    isImmediatePropagationStopped = true;\n  };\n\n  /***\n   * Returns whether stopImmediatePropagation was called on this event object.\\\n   * @method isImmediatePropagationStopped\n   * @return {Boolean}\n   */\n  this.isImmediatePropagationStopped = function() {\n    return isImmediatePropagationStopped;\n  }\n}\n\n/***\n * A simple publisher-subscriber implementation.\n * @class Event\n * @constructor\n */\nfunction Event() {\n  var handlers = [];\n\n  /***\n   * Adds an event handler to be called when the event is fired.\n   * <p>Event handler will receive two arguments - an <code>EventData</code> and the <code>data</code>\n   * object the event was fired with.<p>\n   * @method subscribe\n   * @param fn {Function} Event handler.\n   */\n  this.subscribe = function(fn) {\n    handlers.push(fn);\n  };\n\n  /***\n   * Removes an event handler added with <code>subscribe(fn)</code>.\n   * @method unsubscribe\n   * @param fn {Function} Event handler to be removed.\n   */\n  this.unsubscribe = function(fn) {\n    for (var i = handlers.length - 1; i >= 0; i--) {\n      if (handlers[i] === fn) {\n        handlers.splice(i, 1);\n      }\n    }\n  };\n\n  /***\n   * Fires an event notifying all subscribers.\n   * @method notify\n   * @param args {Object} Additional data object to be passed to all handlers.\n   * @param e {EventData}\n   *      Optional.\n   *      An <code>EventData</code> object to be passed to all handlers.\n   *      For DOM events, an existing W3C/jQuery event object can be passed in.\n   * @param scope {Object}\n   *      Optional.\n   *      The scope (\"this\") within which the handler will be executed.\n   *      If not specified, the scope will be set to the <code>Event</code> instance.\n   */\n  this.notify = function(args, e, scope) {\n    e = e || new EventData();\n    scope = scope || this;\n\n    var returnValue;\n    for (var i = 0; i < handlers.length && !(e.isPropagationStopped() || e.isImmediatePropagationStopped()); i++) {\n      returnValue = handlers[i].call(scope, e, args);\n    }\n\n    return returnValue;\n  };\n}\n\nfunction EventHandler() {\n  var handlers = [];\n\n  this.subscribe = function(event, handler) {\n    handlers.push({\n      event: event,\n      handler: handler\n    });\n    event.subscribe(handler);\n\n    return this; // allow chaining\n  };\n\n  this.unsubscribe = function(event, handler) {\n    var i = handlers.length;\n    while (i--) {\n      if (handlers[i].event === event && handlers[i].handler === handler) {\n        handlers.splice(i, 1);\n        event.unsubscribe(handler);\n        return;\n      }\n    }\n\n    return this; // allow chaining\n  };\n\n  this.unsubscribeAll = function() {\n    var i = handlers.length;\n    while (i--) {\n      handlers[i].event.unsubscribe(handlers[i].handler);\n    }\n    handlers = [];\n\n    return this; // allow chaining\n  }\n}\n\n/***\n * A structure containing a range of cells.\n * @class Range\n * @constructor\n * @param fromRow {Integer} Starting row.\n * @param fromCell {Integer} Starting cell.\n * @param toRow {Integer} Optional. Ending row. Defaults to <code>fromRow</code>.\n * @param toCell {Integer} Optional. Ending cell. Defaults to <code>fromCell</code>.\n */\nfunction Range(fromRow, fromCell, toRow, toCell) {\n  if (toRow === undefined && toCell === undefined) {\n    toRow = fromRow;\n    toCell = fromCell;\n  }\n\n  /***\n   * @property fromRow\n   * @type {Integer}\n   */\n  this.fromRow = Math.min(fromRow, toRow);\n\n  /***\n   * @property fromCell\n   * @type {Integer}\n   */\n  this.fromCell = Math.min(fromCell, toCell);\n\n  /***\n   * @property toRow\n   * @type {Integer}\n   */\n  this.toRow = Math.max(fromRow, toRow);\n\n  /***\n   * @property toCell\n   * @type {Integer}\n   */\n  this.toCell = Math.max(fromCell, toCell);\n\n  /***\n   * Returns whether a range represents a single row.\n   * @method isSingleRow\n   * @return {Boolean}\n   */\n  this.isSingleRow = function() {\n    return this.fromRow == this.toRow;\n  };\n\n  /***\n   * Returns whether a range represents a single cell.\n   * @method isSingleCell\n   * @return {Boolean}\n   */\n  this.isSingleCell = function() {\n    return this.fromRow == this.toRow && this.fromCell == this.toCell;\n  };\n\n  /***\n   * Returns whether a range contains a given cell.\n   * @method contains\n   * @param row {Integer}\n   * @param cell {Integer}\n   * @return {Boolean}\n   */\n  this.contains = function(row, cell) {\n    return row >= this.fromRow && row <= this.toRow && cell >= this.fromCell && cell <= this.toCell;\n  };\n\n  /***\n   * Returns a readable representation of a range.\n   * @method toString\n   * @return {String}\n   */\n  this.toString = function() {\n    if (this.isSingleCell()) {\n      return \"(\" + this.fromRow + \":\" + this.fromCell + \")\";\n    } else {\n      return \"(\" + this.fromRow + \":\" + this.fromCell + \" - \" + this.toRow + \":\" + this.toCell + \")\";\n    }\n  }\n}\n\n\n/***\n * A base class that all special / non-data rows (like Group and GroupTotals) derive from.\n * @class NonDataItem\n * @constructor\n */\nfunction NonDataItem() {\n  this.__nonDataRow = true;\n}\n\n\n/***\n * Information about a group of rows.\n * @class Group\n * @extends Slick.NonDataItem\n * @constructor\n */\nfunction Group() {\n  this.__group = true;\n\n  /**\n   * Grouping level, starting with 0.\n   * @property level\n   * @type {Number}\n   */\n  this.level = 0;\n\n  /***\n   * Number of rows in the group.\n   * @property count\n   * @type {Integer}\n   */\n  this.count = 0;\n\n  /***\n   * Grouping value.\n   * @property value\n   * @type {Object}\n   */\n  this.value = null;\n\n  /***\n   * Formatted display value of the group.\n   * @property title\n   * @type {String}\n   */\n  this.title = null;\n\n  /***\n   * Whether a group is collapsed.\n   * @property collapsed\n   * @type {Boolean}\n   */\n  this.collapsed = false;\n\n  /***\n   * GroupTotals, if any.\n   * @property totals\n   * @type {GroupTotals}\n   */\n  this.totals = null;\n\n  /**\n   * Rows that are part of the group.\n   * @property rows\n   * @type {Array}\n   */\n  this.rows = [];\n\n  /**\n   * Sub-groups that are part of the group.\n   * @property groups\n   * @type {Array}\n   */\n  this.groups = null;\n\n  /**\n   * A unique key used to identify the group.  This key can be used in calls to DataView\n   * collapseGroup() or expandGroup().\n   * @property groupingKey\n   * @type {Object}\n   */\n  this.groupingKey = null;\n}\n\nGroup.prototype = new NonDataItem();\n\n/***\n * Compares two Group instances.\n * @method equals\n * @return {Boolean}\n * @param group {Group} Group instance to compare to.\n */\nGroup.prototype.equals = function(group) {\n  return this.value === group.value && this.count === group.count && this.collapsed === group.collapsed && this.title === group.title;\n};\n\n/***\n * Information about group totals.\n * An instance of GroupTotals will be created for each totals row and passed to the aggregators\n * so that they can store arbitrary data in it.  That data can later be accessed by group totals\n * formatters during the display.\n * @class GroupTotals\n * @extends Slick.NonDataItem\n * @constructor\n */\nfunction GroupTotals() {\n  this.__groupTotals = true;\n\n  /***\n   * Parent Group.\n   * @param group\n   * @type {Group}\n   */\n  this.group = null;\n\n  /***\n   * Whether the totals have been fully initialized / calculated.\n   * Will be set to false for lazy-calculated group totals.\n   * @param initialized\n   * @type {Boolean}\n   */\n  this.initialized = false;\n}\n\nGroupTotals.prototype = new NonDataItem();\n\n/***\n * A locking helper to track the active edit controller and ensure that only a single controller\n * can be active at a time.  This prevents a whole class of state and validation synchronization\n * issues.  An edit controller (such as SlickGrid) can query if an active edit is in progress\n * and attempt a commit or cancel before proceeding.\n * @class EditorLock\n * @constructor\n */\nfunction EditorLock() {\n  var activeEditController = null;\n\n  /***\n   * Returns true if a specified edit controller is active (has the edit lock).\n   * If the parameter is not specified, returns true if any edit controller is active.\n   * @method isActive\n   * @param editController {EditController}\n   * @return {Boolean}\n   */\n  this.isActive = function(editController) {\n    return (editController ? activeEditController === editController : activeEditController !== null);\n  };\n\n  /***\n   * Sets the specified edit controller as the active edit controller (acquire edit lock).\n   * If another edit controller is already active, and exception will be thrown.\n   * @method activate\n   * @param editController {EditController} edit controller acquiring the lock\n   */\n  this.activate = function(editController) {\n    if (editController === activeEditController) { // already activated?\n      return;\n    }\n    if (activeEditController !== null) {\n      throw \"SlickGrid.EditorLock.activate: an editController is still active, can't activate another editController\";\n    }\n    if (!editController.commitCurrentEdit) {\n      throw \"SlickGrid.EditorLock.activate: editController must implement .commitCurrentEdit()\";\n    }\n    if (!editController.cancelCurrentEdit) {\n      throw \"SlickGrid.EditorLock.activate: editController must implement .cancelCurrentEdit()\";\n    }\n    activeEditController = editController;\n  };\n\n  /***\n   * Unsets the specified edit controller as the active edit controller (release edit lock).\n   * If the specified edit controller is not the active one, an exception will be thrown.\n   * @method deactivate\n   * @param editController {EditController} edit controller releasing the lock\n   */\n  this.deactivate = function(editController) {\n    if (activeEditController !== editController) {\n      throw \"SlickGrid.EditorLock.deactivate: specified editController is not the currently active one\";\n    }\n    activeEditController = null;\n  };\n\n  /***\n   * Attempts to commit the current edit by calling \"commitCurrentEdit\" method on the active edit\n   * controller and returns whether the commit attempt was successful (commit may fail due to validation\n   * errors, etc.).  Edit controller's \"commitCurrentEdit\" must return true if the commit has succeeded\n   * and false otherwise.  If no edit controller is active, returns true.\n   * @method commitCurrentEdit\n   * @return {Boolean}\n   */\n  this.commitCurrentEdit = function() {\n    return (activeEditController ? activeEditController.commitCurrentEdit() : true);\n  };\n\n  /***\n   * Attempts to cancel the current edit by calling \"cancelCurrentEdit\" method on the active edit\n   * controller and returns whether the edit was successfully cancelled.  If no edit controller is\n   * active, returns true.\n   * @method cancelCurrentEdit\n   * @return {Boolean}\n   */\n  this.cancelCurrentEdit = function cancelCurrentEdit() {\n    return (activeEditController ? activeEditController.cancelCurrentEdit() : true);\n  };\n}\n\n/**\n *\n * @param {Array} treeColumns Array com levels of columns\n * @returns {{hasDepth: 'hasDepth', getTreeColumns: 'getTreeColumns', extractColumns: 'extractColumns', getDepth: 'getDepth', getColumnsInDepth: 'getColumnsInDepth', getColumnsInGroup: 'getColumnsInGroup', visibleColumns: 'visibleColumns', filter: 'filter', reOrder: reOrder}}\n * @constructor\n */\nfunction TreeColumns(treeColumns) {\n\n  var columnsById = {};\n\n  function init() {\n    mapToId(treeColumns);\n  }\n\n  function mapToId(columns) {\n    columns.forEach(function(column) {\n      columnsById[column.id] = column;\n\n      if (column.columns) mapToId(column.columns);\n    });\n  }\n\n  function filter(node, condition) {\n\n    return node.filter(function(column) {\n\n      var valid = condition.call(column);\n\n      if (valid && column.columns) column.columns = filter(column.columns, condition);\n\n      return valid && (!column.columns || column.columns.length);\n    });\n\n  }\n\n  function sort(columns, grid) {\n    columns.sort(function(a, b) {\n      var indexA = getOrDefault(grid.getColumnIndex(a.id)),\n        indexB = getOrDefault(grid.getColumnIndex(b.id));\n\n      return indexA - indexB;\n    })\n      .forEach(function(column) {\n        if (column.columns) sort(column.columns, grid);\n      });\n  }\n\n  function getOrDefault(value) {\n    return typeof value === 'undefined' ? -1 : value;\n  }\n\n  function getDepth(node) {\n    if (node.length) for (var i in node)\n      return getDepth(node[i]);\n    else if (node.columns) return 1 + getDepth(node.columns);\n    else return 1;\n  }\n\n  function getColumnsInDepth(node, depth, current) {\n    var columns = [];\n    current = current || 0;\n\n    if (depth == current) {\n\n      if (node.length) node.forEach(function(n) {\n        if (n.columns) n.extractColumns = function() {\n          return extractColumns(n);\n        };\n      });\n\n      return node;\n    } else for (var i in node)\n      if (node[i].columns) {\n        columns = columns.concat(getColumnsInDepth(node[i].columns, depth, current + 1));\n      }\n\n    return columns;\n  }\n\n  function extractColumns(node) {\n    var result = [];\n\n    if (node.hasOwnProperty('length')) {\n\n      for (var i = 0; i < node.length; i++)\n        result = result.concat(extractColumns(node[i]));\n\n    } else {\n\n      if (node.hasOwnProperty('columns'))\n\n        result = result.concat(extractColumns(node.columns));\n\n      else return node;\n\n    }\n\n    return result;\n  }\n\n  function cloneTreeColumns() {\n    return $.extend(true, [], treeColumns);\n  }\n\n  init();\n\n  this.hasDepth = function() {\n\n    for (var i in treeColumns)\n      if (treeColumns[i].hasOwnProperty('columns')) return true;\n\n    return false;\n  };\n\n  this.getTreeColumns = function() {\n    return treeColumns;\n  };\n\n  this.extractColumns = function() {\n    return this.hasDepth() ? extractColumns(treeColumns) : treeColumns;\n  };\n\n  this.getDepth = function() {\n    return getDepth(treeColumns);\n  };\n\n  this.getColumnsInDepth = function(depth) {\n    return getColumnsInDepth(treeColumns, depth);\n  };\n\n  this.getColumnsInGroup = function(groups) {\n    return extractColumns(groups);\n  };\n\n  this.visibleColumns = function() {\n    return filter(cloneTreeColumns(), function() {\n      return this.visible;\n    });\n  };\n\n  this.filter = function(condition) {\n    return filter(cloneTreeColumns(), condition);\n  };\n\n  this.reOrder = function(grid) {\n    return sort(treeColumns, grid);\n  };\n\n  this.getById = function(id) {\n    return columnsById[id];\n  };\n\n  this.getInIds = function(ids) {\n    return ids.map(function(id) {\n      return columnsById[id];\n    });\n  }\n}\n\n\n\n// WEBPACK FOOTER //\n// ../src/slick.core.js","module.exports = require(\"jquery\");\n\n\n//////////////////\n// WEBPACK FOOTER\n// external \"jquery\"\n// module id = 2\n// module chunks = 0","import $ from 'jquery';\nimport Slick from '../../src/slick.core';\n\nexport default CellRangeDecorator;\n\n/** *\n * Displays an overlay on top of a given cell range.\n *\n * TODO:\n * Currently, it blocks mouse events to DOM nodes behind it.\n * Use FF and WebKit-specific 'pointer-events' CSS style, or some kind of event forwarding.\n * Could also construct the borders separately using 4 individual DIVs.\n *\n * @param {Grid} grid\n * @param {Object} options\n */\nfunction CellRangeDecorator(grid, options){\n  let _elem;\n  const _defaults = {\n    selectionCssClass: 'slick-range-decorator',\n    selectionCss: {\n      zIndex: '9999',\n      border: '2px dashed red'\n    }\n  };\n\n  options = Object.assign({}, _defaults, options);\n\n  function show(range){\n    if (!_elem){\n      _elem = $('<div></div>', {css: options.selectionCss})\n        .addClass(options.selectionCssClass)\n        .css('position', 'absolute')\n        .appendTo(grid.getCanvasNode());\n    }\n\n    const from = grid.getCellNodeBox(range.fromRow, range.fromCell);\n    const to = grid.getCellNodeBox(range.toRow, range.toCell);\n\n    _elem.css({\n      top: from.top - 1,\n      left: from.left - 1,\n      height: to.bottom - from.top - 2,\n      width: to.right - from.left - 2\n    });\n\n    return _elem;\n  }\n\n  function hide(){\n    if (_elem){\n      _elem.remove();\n      _elem = null;\n    }\n  }\n\n  Object.assign(this, {\n    show,\n    hide\n  });\n}\n\n\n\n// WEBPACK FOOTER //\n// ../plugins/slick.cellrangedecorator/slick.cellrangedecorator.js","import $ from 'jquery';\nimport Slick from '../../src/slick.core';\nimport CellRangeDecorator from '../slick.cellrangedecorator/slick.cellrangedecorator';\n\nexport default CellRangeSelector;\n\nfunction CellRangeSelector(options){\n  let _grid;\n  let _canvas;\n  let _dragging;\n  let _decorator;\n  let _range = {};\n\n  const _self = this;\n  const _handler = new Slick.EventHandler();\n  const _defaults = {\n    selectionCss: {\n      // 'border': '2px dashed blue'\n    }\n  };\n\n  function init(grid){\n    options = Object.assign({}, _defaults, options);\n    _decorator = new CellRangeDecorator(grid, options);\n    _grid = grid;\n    _canvas = _grid.getCanvasNode();\n    _handler\n      .subscribe(_grid.onDragInit, handleDragInit)\n      .subscribe(_grid.onDragStart, handleDragStart)\n      .subscribe(_grid.onDrag, handleDrag)\n      .subscribe(_grid.onDragEnd, handleDragEnd);\n  }\n\n  function destroy(){\n    _handler.unsubscribeAll();\n  }\n\n  function handleDragInit(e, dd){\n    // prevent the grid from cancelling drag'n'drop by default\n    e.stopImmediatePropagation();\n  }\n\n  function handleDragStart(jqueryEvent, interactEvent){\n    const cell = _grid.getCellFromEvent(interactEvent.originalEvent);\n    if (_self.onBeforeCellRangeSelected.notify(cell) !== false){\n      if (_grid.canCellBeSelected(cell.row, cell.cell)){\n        _dragging = true;\n        // jqueryEvent.stopImmediatePropagation();\n      }\n    }\n    if (!_dragging){\n      return;\n    }\n\n    _grid.focus();\n\n    const start = _grid.getCellFromPoint(\n      interactEvent.x0 - $(_canvas).offset().left,\n      interactEvent.y0 - $(_canvas).offset().top\n    );\n\n    _range = {\n      start,\n      end: {}\n    };\n\n    return _decorator.show(new Slick.Range(start.row, start.cell));\n  }\n\n  function handleDrag(e, interactEvent){\n    if (!_dragging){\n      return;\n    }\n    // e.stopImmediatePropagation();\n\n    const end = _grid.getCellFromPoint(\n      interactEvent.pageX - $(_canvas).offset().left,\n      interactEvent.pageY - $(_canvas).offset().top);\n\n    if (!_grid.canCellBeSelected(end.row, end.cell)){\n      return;\n    }\n\n    _range.end = end;\n    _decorator.show(new Slick.Range(_range.start.row, _range.start.cell, end.row, end.cell));\n  }\n\n  function handleDragEnd(e){\n    if (!_dragging){\n      return;\n    }\n\n    _dragging = false;\n    // e.stopImmediatePropagation();\n\n    _decorator.hide();\n    _self.onCellRangeSelected.notify({\n      range: new Slick.Range(\n        _range.start.row,\n        _range.start.cell,\n        _range.end.row,\n        _range.end.cell\n      )\n    });\n    _range = {};\n  }\n\n  Object.assign(this, {\n    init,\n    destroy,\n\n    onBeforeCellRangeSelected: new Slick.Event(),\n    onCellRangeSelected: new Slick.Event()\n  });\n}\n\n\n\n// WEBPACK FOOTER //\n// ../plugins/slick.cellrangeselector/slick.cellrangeselector.js","/**\n * interact.js v1.2.6\n *\n * Copyright (c) 2012-2015 Taye Adeyemi <dev@taye.me>\n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n *\n * This file has been monkey patched to pass the originalEvent on to drag events\n */\n(function(realWindow){\n  'use strict';\n\n    // return early if there's no window to work with (eg. Node.js)\n  if (!realWindow){ return; }\n\n  var // get wrapped window if using Shadow DOM polyfill\n    window = (function(){\n            // create a TextNode\n      var el = realWindow.document.createTextNode('');\n\n            // check if it's wrapped by a polyfill\n      if (el.ownerDocument !== realWindow.document\n                && typeof realWindow.wrap === 'function'\n                && realWindow.wrap(el) === el){\n                // return wrapped window\n        return realWindow.wrap(realWindow);\n      }\n\n            // no Shadow DOM polyfil or native implementation\n      return realWindow;\n    }()),\n\n    document = window.document,\n    DocumentFragment = window.DocumentFragment || blank,\n    SVGElement = window.SVGElement || blank,\n    SVGSVGElement = window.SVGSVGElement || blank,\n    SVGElementInstance = window.SVGElementInstance || blank,\n    HTMLElement = window.HTMLElement || window.Element,\n\n    PointerEvent = (window.PointerEvent || window.MSPointerEvent),\n    pEventTypes,\n\n    hypot = Math.hypot || function(x, y){ return Math.sqrt(x * x + y * y); },\n\n    tmpXY = {},     // reduce object creation in getXY()\n\n    documents = [],   // all documents being listened to\n\n    interactables = [],   // all set interactables\n    interactions = [],   // all interactions\n\n    dynamicDrop = false,\n\n        // {\n        //      type: {\n        //          selectors: ['selector', ...],\n        //          contexts : [document, ...],\n        //          listeners: [[listener, useCapture], ...]\n        //      }\n        //  }\n    delegatedEvents = {},\n\n    defaultOptions = {\n      base: {\n        accept: null,\n        actionChecker: null,\n        styleCursor: true,\n        preventDefault: 'auto',\n        origin: { x: 0, y: 0 },\n        deltaSource: 'page',\n        allowFrom: null,\n        ignoreFrom: null,\n        _context: document,\n        dropChecker: null\n      },\n\n      drag: {\n        enabled: false,\n        manualStart: true,\n        max: Infinity,\n        maxPerElement: 1,\n\n        snap: null,\n        restrict: null,\n        inertia: null,\n        autoScroll: null,\n\n        axis: 'xy'\n      },\n\n      drop: {\n        enabled: false,\n        accept: null,\n        overlap: 'pointer'\n      },\n\n      resize: {\n        enabled: false,\n        manualStart: false,\n        max: Infinity,\n        maxPerElement: 1,\n\n        snap: null,\n        restrict: null,\n        inertia: null,\n        autoScroll: null,\n\n        square: false,\n        preserveAspectRatio: false,\n        axis: 'xy',\n\n                // use default margin\n        margin: NaN,\n\n                // object with props left, right, top, bottom which are\n                // true/false values to resize when the pointer is over that edge,\n                // CSS selectors to match the handles for each direction\n                // or the Elements for each handle\n        edges: null,\n\n                // a value of 'none' will limit the resize rect to a minimum of 0x0\n                // 'negate' will alow the rect to have negative width/height\n                // 'reposition' will keep the width/height positive by swapping\n                // the top and bottom edges and/or swapping the left and right edges\n        invert: 'none'\n      },\n\n      gesture: {\n        manualStart: false,\n        enabled: false,\n        max: Infinity,\n        maxPerElement: 1,\n\n        restrict: null\n      },\n\n      perAction: {\n        manualStart: false,\n        max: Infinity,\n        maxPerElement: 1,\n\n        snap: {\n          enabled: false,\n          endOnly: false,\n          range: Infinity,\n          targets: null,\n          offsets: null,\n\n          relativePoints: null\n        },\n\n        restrict: {\n          enabled: false,\n          endOnly: false\n        },\n\n        autoScroll: {\n          enabled: false,\n          container: null,     // the item that is scrolled (Window or HTMLElement)\n          margin: 60,\n          speed: 300       // the scroll speed in pixels per second\n        },\n\n        inertia: {\n          enabled: false,\n          resistance: 10,    // the lambda in exponential decay\n          minSpeed: 100,   // target speed must be above this for inertia to start\n          endSpeed: 10,    // the speed at which inertia is slow enough to stop\n          allowResume: true,  // allow resuming an action in inertia phase\n          zeroResumeDelta: true,  // if an action is resumed after launch, set dx/dy to 0\n          smoothEndDuration: 300    // animate to snap/restrict endOnly if there's no inertia\n        }\n      },\n\n      _holdDuration: 600\n    },\n\n        // Things related to autoScroll\n    autoScroll = {\n      interaction: null,\n      i: null,    // the handle returned by window.setInterval\n      x: 0, y: 0, // Direction each pulse is to scroll in\n\n            // scroll the window by the values in scroll.x/y\n      scroll: function(){\n        var options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll,\n          container = options.container || getWindow(autoScroll.interaction.element),\n          now = new Date().getTime(),\n                    // change in time in seconds\n          dtx = (now - autoScroll.prevTimeX) / 1000,\n          dty = (now - autoScroll.prevTimeY) / 1000,\n          vx, vy, sx, sy;\n\n                // displacement\n        if (options.velocity){\n          vx = options.velocity.x;\n          vy = options.velocity.y;\n        }\n        else {\n          vx = vy = options.speed;\n        }\n\n        sx = vx * dtx;\n        sy = vy * dty;\n\n        if (sx >= 1 || sy >= 1){\n          if (isWindow(container)){\n            container.scrollBy(autoScroll.x * sx, autoScroll.y * sy);\n          }\n          else if (container){\n            container.scrollLeft += autoScroll.x * sx;\n            container.scrollTop += autoScroll.y * sy;\n          }\n\n          if (sx >= 1) autoScroll.prevTimeX = now;\n          if (sy >= 1) autoScroll.prevTimeY = now;\n        }\n\n        if (autoScroll.isScrolling){\n          cancelFrame(autoScroll.i);\n          autoScroll.i = reqFrame(autoScroll.scroll);\n        }\n      },\n\n      isScrolling: false,\n      prevTimeX: 0,\n      prevTimeY: 0,\n\n      start: function(interaction){\n        autoScroll.isScrolling = true;\n        cancelFrame(autoScroll.i);\n\n        autoScroll.interaction = interaction;\n        autoScroll.prevTimeX = new Date().getTime();\n        autoScroll.prevTimeY = new Date().getTime();\n        autoScroll.i = reqFrame(autoScroll.scroll);\n      },\n\n      stop: function(){\n        autoScroll.isScrolling = false;\n        cancelFrame(autoScroll.i);\n      }\n    },\n\n        // Does the browser support touch input?\n    supportsTouch = (('ontouchstart' in window) || window.DocumentTouch && document instanceof window.DocumentTouch),\n\n        // Does the browser support PointerEvents\n    supportsPointerEvent = PointerEvent && !/Chrome/.test(navigator.userAgent),\n\n        // Less Precision with touch input\n    margin = supportsTouch || supportsPointerEvent ? 20 : 10,\n\n    pointerMoveTolerance = 1,\n\n        // for ignoring browser's simulated mouse events\n    prevTouchTime = 0,\n\n        // Allow this many interactions to happen simultaneously\n    maxInteractions = Infinity,\n\n        // Check if is IE9 or older\n    actionCursors = (document.all && !window.atob) ? {\n      drag: 'move',\n      resizex: 'e-resize',\n      resizey: 's-resize',\n      resizexy: 'se-resize',\n\n      resizetop: 'n-resize',\n      resizeleft: 'w-resize',\n      resizebottom: 's-resize',\n      resizeright: 'e-resize',\n      resizetopleft: 'se-resize',\n      resizebottomright: 'se-resize',\n      resizetopright: 'ne-resize',\n      resizebottomleft: 'ne-resize',\n\n      gesture: ''\n    } : {\n      drag: 'move',\n      resizex: 'ew-resize',\n      resizey: 'ns-resize',\n      resizexy: 'nwse-resize',\n\n      resizetop: 'ns-resize',\n      resizeleft: 'ew-resize',\n      resizebottom: 'ns-resize',\n      resizeright: 'ew-resize',\n      resizetopleft: 'nwse-resize',\n      resizebottomright: 'nwse-resize',\n      resizetopright: 'nesw-resize',\n      resizebottomleft: 'nesw-resize',\n\n      gesture: ''\n    },\n\n    actionIsEnabled = {\n      drag: true,\n      resize: true,\n      gesture: true\n    },\n\n        // because Webkit and Opera still use 'mousewheel' event type\n    wheelEvent = 'onmousewheel' in document ? 'mousewheel' : 'wheel',\n\n    eventTypes = [\n      'dragstart',\n      'dragmove',\n      'draginertiastart',\n      'dragend',\n      'dragenter',\n      'dragleave',\n      'dropactivate',\n      'dropdeactivate',\n      'dropmove',\n      'drop',\n      'resizestart',\n      'resizemove',\n      'resizeinertiastart',\n      'resizeend',\n      'gesturestart',\n      'gesturemove',\n      'gestureinertiastart',\n      'gestureend',\n\n      'down',\n      'move',\n      'up',\n      'cancel',\n      'tap',\n      'doubletap',\n      'hold'\n    ],\n\n    globalEvents = {},\n\n        // Opera Mobile must be handled differently\n    isOperaMobile = navigator.appName == 'Opera' &&\n            supportsTouch &&\n            navigator.userAgent.match('Presto'),\n\n        // scrolling doesn't change the result of getClientRects on iOS 7\n    isIOS7 = (/iP(hone|od|ad)/.test(navigator.platform)\n                         && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n        // prefix matchesSelector\n    prefixedMatchesSelector = 'matches' in Element.prototype ?\n                'matches' : 'webkitMatchesSelector' in Element.prototype ?\n                    'webkitMatchesSelector' : 'mozMatchesSelector' in Element.prototype ?\n                        'mozMatchesSelector' : 'oMatchesSelector' in Element.prototype ?\n                            'oMatchesSelector' : 'msMatchesSelector',\n\n        // will be polyfill function if browser is IE8\n    ie8MatchesSelector,\n\n        // native requestAnimationFrame or polyfill\n    reqFrame = realWindow.requestAnimationFrame,\n    cancelFrame = realWindow.cancelAnimationFrame,\n\n        // Events wrapper\n    events = (function(){\n      var useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window),\n        addEvent = useAttachEvent ? 'attachEvent' : 'addEventListener',\n        removeEvent = useAttachEvent ? 'detachEvent' : 'removeEventListener',\n        on = useAttachEvent ? 'on' : '',\n\n        elements = [],\n        targets = [],\n        attachedListeners = [];\n\n      function add(element, type, listener, useCapture){\n        var elementIndex = indexOf(elements, element),\n          target = targets[elementIndex];\n\n        if (!target){\n          target = {\n            events: {},\n            typeCount: 0\n          };\n\n          elementIndex = elements.push(element) - 1;\n          targets.push(target);\n\n          attachedListeners.push((useAttachEvent ? {\n            supplied: [],\n            wrapped: [],\n            useCount: []\n          } : null));\n        }\n\n        if (!target.events[type]){\n          target.events[type] = [];\n          target.typeCount++;\n        }\n\n        if (!contains(target.events[type], listener)){\n          var ret;\n\n          if (useAttachEvent){\n            var listeners = attachedListeners[elementIndex],\n              listenerIndex = indexOf(listeners.supplied, listener);\n\n            var wrapped = listeners.wrapped[listenerIndex] || function(event){\n              if (!event.immediatePropagationStopped){\n                event.target = event.srcElement;\n                event.currentTarget = element;\n\n                event.preventDefault = event.preventDefault || preventDef;\n                event.stopPropagation = event.stopPropagation || stopProp;\n                event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n                if (/mouse|click/.test(event.type)){\n                  event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n                  event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n                }\n\n                listener(event);\n              }\n            };\n\n            ret = element[addEvent](on + type, wrapped, Boolean(useCapture));\n\n            if (listenerIndex === -1){\n              listeners.supplied.push(listener);\n              listeners.wrapped.push(wrapped);\n              listeners.useCount.push(1);\n            }\n            else {\n              listeners.useCount[listenerIndex]++;\n            }\n          }\n          else {\n            ret = element[addEvent](type, listener, useCapture || false);\n          }\n          target.events[type].push(listener);\n\n          return ret;\n        }\n      }\n\n      function remove(element, type, listener, useCapture){\n        var i,\n          elementIndex = indexOf(elements, element),\n          target = targets[elementIndex],\n          listeners,\n          listenerIndex,\n          wrapped = listener;\n\n        if (!target || !target.events){\n          return;\n        }\n\n        if (useAttachEvent){\n          listeners = attachedListeners[elementIndex];\n          listenerIndex = indexOf(listeners.supplied, listener);\n          wrapped = listeners.wrapped[listenerIndex];\n        }\n\n        if (type === 'all'){\n          for (type in target.events){\n            if (target.events.hasOwnProperty(type)){\n              remove(element, type, 'all');\n            }\n          }\n          return;\n        }\n\n        if (target.events[type]){\n          var len = target.events[type].length;\n\n          if (listener === 'all'){\n            for (i = 0; i < len; i++){\n              remove(element, type, target.events[type][i], Boolean(useCapture));\n            }\n            return;\n          } else {\n            for (i = 0; i < len; i++){\n              if (target.events[type][i] === listener){\n                element[removeEvent](on + type, wrapped, useCapture || false);\n                target.events[type].splice(i, 1);\n\n                if (useAttachEvent && listeners){\n                  listeners.useCount[listenerIndex]--;\n                  if (listeners.useCount[listenerIndex] === 0){\n                    listeners.supplied.splice(listenerIndex, 1);\n                    listeners.wrapped.splice(listenerIndex, 1);\n                    listeners.useCount.splice(listenerIndex, 1);\n                  }\n                }\n\n                break;\n              }\n            }\n          }\n\n          if (target.events[type] && target.events[type].length === 0){\n            target.events[type] = null;\n            target.typeCount--;\n          }\n        }\n\n        if (!target.typeCount){\n          targets.splice(elementIndex, 1);\n          elements.splice(elementIndex, 1);\n          attachedListeners.splice(elementIndex, 1);\n        }\n      }\n\n      function preventDef(){\n        this.returnValue = false;\n      }\n\n      function stopProp(){\n        this.cancelBubble = true;\n      }\n\n      function stopImmProp(){\n        this.cancelBubble = true;\n        this.immediatePropagationStopped = true;\n      }\n\n      return {\n        add: add,\n        remove: remove,\n        useAttachEvent: useAttachEvent,\n\n        _elements: elements,\n        _targets: targets,\n        _attachedListeners: attachedListeners\n      };\n    }());\n\n  function blank(){}\n\n  function isElement(o){\n    if (!o || (typeof o !== 'object')){ return false; }\n\n    var _window = getWindow(o) || window;\n\n    return (/object|function/.test(typeof _window.Element)\n            ? o instanceof _window.Element // DOM2\n            : o.nodeType === 1 && typeof o.nodeName === 'string');\n  }\n  function isWindow(thing){ return thing === window || !!(thing && thing.Window) && (thing instanceof thing.Window); }\n  function isDocFrag(thing){ return !!thing && thing instanceof DocumentFragment; }\n  function isArray(thing){\n    return isObject(thing)\n                && (typeof thing.length !== undefined)\n                && isFunction(thing.splice);\n  }\n  function isObject(thing){ return !!thing && (typeof thing === 'object'); }\n  function isFunction(thing){ return typeof thing === 'function'; }\n  function isNumber(thing){ return typeof thing === 'number'; }\n  function isBool(thing){ return typeof thing === 'boolean'; }\n  function isString(thing){ return typeof thing === 'string'; }\n\n  function trySelector(value){\n    if (!isString(value)){ return false; }\n\n        // an exception will be raised if it is invalid\n    document.querySelector(value);\n    return true;\n  }\n\n  function extend(dest, source){\n    for (var prop in source){\n      dest[prop] = source[prop];\n    }\n    return dest;\n  }\n\n  var prefixedPropREs = {\n    webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/\n  };\n\n  function pointerExtend(dest, source){\n    for (var prop in source){\n      var deprecated = false;\n\n          // skip deprecated prefixed properties\n      for (var vendor in prefixedPropREs){\n        if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)){\n          deprecated = true;\n          break;\n        }\n      }\n\n      if (!deprecated){\n        dest[prop] = source[prop];\n      }\n    }\n    return dest;\n  }\n\n  function copyCoords(dest, src){\n    dest.page = dest.page || {};\n    dest.page.x = src.page.x;\n    dest.page.y = src.page.y;\n\n    dest.client = dest.client || {};\n    dest.client.x = src.client.x;\n    dest.client.y = src.client.y;\n\n    dest.timeStamp = src.timeStamp;\n  }\n\n  function setEventXY(targetObj, pointers, interaction){\n    var pointer = (pointers.length > 1\n                       ? pointerAverage(pointers)\n                       : pointers[0]);\n\n    getPageXY(pointer, tmpXY, interaction);\n    targetObj.page.x = tmpXY.x;\n    targetObj.page.y = tmpXY.y;\n\n    getClientXY(pointer, tmpXY, interaction);\n    targetObj.client.x = tmpXY.x;\n    targetObj.client.y = tmpXY.y;\n\n    targetObj.timeStamp = new Date().getTime();\n  }\n\n  function setEventDeltas(targetObj, prev, cur){\n    targetObj.page.x = cur.page.x - prev.page.x;\n    targetObj.page.y = cur.page.y - prev.page.y;\n    targetObj.client.x = cur.client.x - prev.client.x;\n    targetObj.client.y = cur.client.y - prev.client.y;\n    targetObj.timeStamp = new Date().getTime() - prev.timeStamp;\n\n        // set pointer velocity\n    var dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n    targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n    targetObj.page.vx = targetObj.page.x / dt;\n    targetObj.page.vy = targetObj.page.y / dt;\n\n    targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n    targetObj.client.vx = targetObj.client.x / dt;\n    targetObj.client.vy = targetObj.client.y / dt;\n  }\n\n  function isNativePointer(pointer){\n    return (pointer instanceof window.Event\n            || (supportsTouch && window.Touch && pointer instanceof window.Touch));\n  }\n\n    // Get specified X/Y coords for mouse or event.touches[0]\n  function getXY(type, pointer, xy){\n    xy = xy || {};\n    type = type || 'page';\n\n    xy.x = pointer[type + 'X'];\n    xy.y = pointer[type + 'Y'];\n\n    return xy;\n  }\n\n  function getPageXY(pointer, page){\n    page = page || {};\n\n        // Opera Mobile handles the viewport and scrolling oddly\n    if (isOperaMobile && isNativePointer(pointer)){\n      getXY('screen', pointer, page);\n\n      page.x += window.scrollX;\n      page.y += window.scrollY;\n    }\n    else {\n      getXY('page', pointer, page);\n    }\n\n    return page;\n  }\n\n  function getClientXY(pointer, client){\n    client = client || {};\n\n    if (isOperaMobile && isNativePointer(pointer)){\n            // Opera Mobile handles the viewport and scrolling oddly\n      getXY('screen', pointer, client);\n    }\n    else {\n      getXY('client', pointer, client);\n    }\n\n    return client;\n  }\n\n  function getScrollXY(win){\n    win = win || window;\n    return {\n      x: win.scrollX || win.document.documentElement.scrollLeft,\n      y: win.scrollY || win.document.documentElement.scrollTop\n    };\n  }\n\n  function getPointerId(pointer){\n    return isNumber(pointer.pointerId) ? pointer.pointerId : pointer.identifier;\n  }\n\n  function getActualElement(element){\n    return (element instanceof SVGElementInstance\n            ? element.correspondingUseElement\n            : element);\n  }\n\n  function getWindow(node){\n    if (isWindow(node)){\n      return node;\n    }\n\n    var rootNode = (node.ownerDocument || node);\n\n    return rootNode.defaultView || rootNode.parentWindow || window;\n  }\n\n  function getElementClientRect(element){\n    var clientRect = (element instanceof SVGElement\n                            ? element.getBoundingClientRect()\n                            : element.getClientRects()[0]);\n\n    return clientRect && {\n      left: clientRect.left,\n      right: clientRect.right,\n      top: clientRect.top,\n      bottom: clientRect.bottom,\n      width: clientRect.width || clientRect.right - clientRect.left,\n      height: clientRect.height || clientRect.bottom - clientRect.top\n    };\n  }\n\n  function getElementRect(element){\n    var clientRect = getElementClientRect(element);\n\n    if (!isIOS7 && clientRect){\n      var scroll = getScrollXY(getWindow(element));\n\n      clientRect.left += scroll.x;\n      clientRect.right += scroll.x;\n      clientRect.top += scroll.y;\n      clientRect.bottom += scroll.y;\n    }\n\n    return clientRect;\n  }\n\n  function getTouchPair(event){\n    var touches = [];\n\n        // array of touches is supplied\n    if (isArray(event)){\n      touches[0] = event[0];\n      touches[1] = event[1];\n    }\n        // an event\n    else {\n      if (event.type === 'touchend'){\n        if (event.touches.length === 1){\n          touches[0] = event.touches[0];\n          touches[1] = event.changedTouches[0];\n        }\n        else if (event.touches.length === 0){\n          touches[0] = event.changedTouches[0];\n          touches[1] = event.changedTouches[1];\n        }\n      }\n      else {\n        touches[0] = event.touches[0];\n        touches[1] = event.touches[1];\n      }\n    }\n\n    return touches;\n  }\n\n  function pointerAverage(pointers){\n    var average = {\n      pageX: 0,\n      pageY: 0,\n      clientX: 0,\n      clientY: 0,\n      screenX: 0,\n      screenY: 0\n    };\n    var prop;\n\n    for (var i = 0; i < pointers.length; i++){\n      for (prop in average){\n        average[prop] += pointers[i][prop];\n      }\n    }\n    for (prop in average){\n      average[prop] /= pointers.length;\n    }\n\n    return average;\n  }\n\n  function touchBBox(event){\n    if (!event.length && !(event.touches && event.touches.length > 1)){\n      return;\n    }\n\n    var touches = getTouchPair(event),\n      minX = Math.min(touches[0].pageX, touches[1].pageX),\n      minY = Math.min(touches[0].pageY, touches[1].pageY),\n      maxX = Math.max(touches[0].pageX, touches[1].pageX),\n      maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n    return {\n      x: minX,\n      y: minY,\n      left: minX,\n      top: minY,\n      width: maxX - minX,\n      height: maxY - minY\n    };\n  }\n\n  function touchDistance(event, deltaSource){\n    deltaSource = deltaSource || defaultOptions.deltaSource;\n\n    var sourceX = deltaSource + 'X',\n      sourceY = deltaSource + 'Y',\n      touches = getTouchPair(event);\n\n    var dx = touches[0][sourceX] - touches[1][sourceX],\n      dy = touches[0][sourceY] - touches[1][sourceY];\n\n    return hypot(dx, dy);\n  }\n\n  function touchAngle(event, prevAngle, deltaSource){\n    deltaSource = deltaSource || defaultOptions.deltaSource;\n\n    var sourceX = deltaSource + 'X',\n      sourceY = deltaSource + 'Y',\n      touches = getTouchPair(event),\n      dx = touches[0][sourceX] - touches[1][sourceX],\n      dy = touches[0][sourceY] - touches[1][sourceY],\n      angle = 180 * Math.atan(dy / dx) / Math.PI;\n\n    if (isNumber(prevAngle)){\n      var dr = angle - prevAngle,\n        drClamped = dr % 360;\n\n      if (drClamped > 315){\n        angle -= 360 + (angle / 360) | 0 * 360;\n      }\n      else if (drClamped > 135){\n        angle -= 180 + (angle / 360) | 0 * 360;\n      }\n            else if (drClamped < -315){\n              angle += 360 + (angle / 360) | 0 * 360;\n            }\n            else if (drClamped < -135){\n              angle += 180 + (angle / 360) | 0 * 360;\n            }\n    }\n\n    return angle;\n  }\n\n  function getOriginXY(interactable, element){\n    var origin = interactable\n                ? interactable.options.origin\n                : defaultOptions.origin;\n\n    if (origin === 'parent'){\n      origin = parentElement(element);\n    }\n    else if (origin === 'self'){\n      origin = interactable.getRect(element);\n    }\n        else if (trySelector(origin)){\n          origin = closest(element, origin) || { x: 0, y: 0 };\n        }\n\n    if (isFunction(origin)){\n      origin = origin(interactable && element);\n    }\n\n    if (isElement(origin)){\n      origin = getElementRect(origin);\n    }\n\n    origin.x = ('x' in origin) ? origin.x : origin.left;\n    origin.y = ('y' in origin) ? origin.y : origin.top;\n\n    return origin;\n  }\n\n    // http://stackoverflow.com/a/5634528/2280888\n  function _getQBezierValue(t, p1, p2, p3){\n    var iT = 1 - t;\n    return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n  }\n\n  function getQuadraticCurvePoint(startX, startY, cpX, cpY, endX, endY, position){\n    return {\n      x: _getQBezierValue(position, startX, cpX, endX),\n      y: _getQBezierValue(position, startY, cpY, endY)\n    };\n  }\n\n    // http://gizma.com/easing/\n  function easeOutQuad(t, b, c, d){\n    t /= d;\n    return -c * t * (t - 2) + b;\n  }\n\n  function nodeContains(parent, child){\n    while (child){\n      if (child === parent){\n        return true;\n      }\n\n      child = child.parentNode;\n    }\n\n    return false;\n  }\n\n  function closest(child, selector){\n    var parent = parentElement(child);\n\n    while (isElement(parent)){\n      if (matchesSelector(parent, selector)){ return parent; }\n\n      parent = parentElement(parent);\n    }\n\n    return null;\n  }\n\n  function parentElement(node){\n    var parent = node.parentNode;\n\n    if (isDocFrag(parent)){\n            // skip past #shado-root fragments\n      while ((parent = parent.host) && isDocFrag(parent)){}\n\n      return parent;\n    }\n\n    return parent;\n  }\n\n  function inContext(interactable, element){\n    return interactable._context === element.ownerDocument\n                || nodeContains(interactable._context, element);\n  }\n\n  function testIgnore(interactable, interactableElement, element){\n    var ignoreFrom = interactable.options.ignoreFrom;\n\n    if (!ignoreFrom || !isElement(element)){ return false; }\n\n    if (isString(ignoreFrom)){\n      return matchesUpTo(element, ignoreFrom, interactableElement);\n    }\n    else if (isElement(ignoreFrom)){\n      return nodeContains(ignoreFrom, element);\n    }\n\n    return false;\n  }\n\n  function testAllow(interactable, interactableElement, element){\n    var allowFrom = interactable.options.allowFrom;\n\n    if (!allowFrom){ return true; }\n\n    if (!isElement(element)){ return false; }\n\n    if (isString(allowFrom)){\n      return matchesUpTo(element, allowFrom, interactableElement);\n    }\n    else if (isElement(allowFrom)){\n      return nodeContains(allowFrom, element);\n    }\n\n    return false;\n  }\n\n  function checkAxis(axis, interactable){\n    if (!interactable){ return false; }\n\n    var thisAxis = interactable.options.drag.axis;\n\n    return (axis === 'xy' || thisAxis === 'xy' || thisAxis === axis);\n  }\n\n  function checkSnap(interactable, action){\n    var options = interactable.options;\n\n    if (/^resize/.test(action)){\n      action = 'resize';\n    }\n\n    return options[action].snap && options[action].snap.enabled;\n  }\n\n  function checkRestrict(interactable, action){\n    var options = interactable.options;\n\n    if (/^resize/.test(action)){\n      action = 'resize';\n    }\n\n    return options[action].restrict && options[action].restrict.enabled;\n  }\n\n  function checkAutoScroll(interactable, action){\n    var options = interactable.options;\n\n    if (/^resize/.test(action)){\n      action = 'resize';\n    }\n\n    return options[action].autoScroll && options[action].autoScroll.enabled;\n  }\n\n  function withinInteractionLimit(interactable, element, action){\n    var options = interactable.options,\n      maxActions = options[action.name].max,\n      maxPerElement = options[action.name].maxPerElement,\n      activeInteractions = 0,\n      targetCount = 0,\n      targetElementCount = 0;\n\n    for (var i = 0, len = interactions.length; i < len; i++){\n      var interaction = interactions[i],\n        otherAction = interaction.prepared.name,\n        active = interaction.interacting();\n\n      if (!active){ continue; }\n\n      activeInteractions++;\n\n      if (activeInteractions >= maxInteractions){\n        return false;\n      }\n\n      if (interaction.target !== interactable){ continue; }\n\n      targetCount += (otherAction === action.name) | 0;\n\n      if (targetCount >= maxActions){\n        return false;\n      }\n\n      if (interaction.element === element){\n        targetElementCount++;\n\n        if (otherAction !== action.name || targetElementCount >= maxPerElement){\n          return false;\n        }\n      }\n    }\n\n    return maxInteractions > 0;\n  }\n\n    // Test for the element that's \"above\" all other qualifiers\n  function indexOfDeepestElement(elements){\n    var dropzone,\n      deepestZone = elements[0],\n      index = deepestZone ? 0 : -1,\n      parent,\n      deepestZoneParents = [],\n      dropzoneParents = [],\n      child,\n      i,\n      n;\n\n    for (i = 1; i < elements.length; i++){\n      dropzone = elements[i];\n\n            // an element might belong to multiple selector dropzones\n      if (!dropzone || dropzone === deepestZone){\n        continue;\n      }\n\n      if (!deepestZone){\n        deepestZone = dropzone;\n        index = i;\n        continue;\n      }\n\n            // check if the deepest or current are document.documentElement or document.rootElement\n            // - if the current dropzone is, do nothing and continue\n      if (dropzone.parentNode === dropzone.ownerDocument){\n        continue;\n      }\n            // - if deepest is, update with the current dropzone and continue to next\n      else if (deepestZone.parentNode === dropzone.ownerDocument){\n        deepestZone = dropzone;\n        index = i;\n        continue;\n      }\n\n      if (!deepestZoneParents.length){\n        parent = deepestZone;\n        while (parent.parentNode && parent.parentNode !== parent.ownerDocument){\n          deepestZoneParents.unshift(parent);\n          parent = parent.parentNode;\n        }\n      }\n\n            // if this element is an svg element and the current deepest is\n            // an HTMLElement\n      if (deepestZone instanceof HTMLElement\n                && dropzone instanceof SVGElement\n                && !(dropzone instanceof SVGSVGElement)){\n        if (dropzone === deepestZone.parentNode){\n          continue;\n        }\n\n        parent = dropzone.ownerSVGElement;\n      }\n      else {\n        parent = dropzone;\n      }\n\n      dropzoneParents = [];\n\n      while (parent.parentNode !== parent.ownerDocument){\n        dropzoneParents.unshift(parent);\n        parent = parent.parentNode;\n      }\n\n      n = 0;\n\n            // get (position of last common ancestor) + 1\n      while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]){\n        n++;\n      }\n\n      var parents = [\n        dropzoneParents[n - 1],\n        dropzoneParents[n],\n        deepestZoneParents[n]\n      ];\n\n      child = parents[0].lastChild;\n\n      while (child){\n        if (child === parents[1]){\n          deepestZone = dropzone;\n          index = i;\n          deepestZoneParents = [];\n\n          break;\n        }\n        else if (child === parents[2]){\n          break;\n        }\n\n        child = child.previousSibling;\n      }\n    }\n\n    return index;\n  }\n\n  function Interaction(){\n    this.target = null; // current interactable being interacted with\n    this.element = null; // the target element of the interactable\n    this.dropTarget = null; // the dropzone a drag target might be dropped into\n    this.dropElement = null; // the element at the time of checking\n    this.prevDropTarget = null; // the dropzone that was recently dragged away from\n    this.prevDropElement = null; // the element at the time of checking\n\n    this.prepared = {     // action that's ready to be fired on next move event\n      name: null,\n      axis: null,\n      edges: null\n    };\n\n    this.matches = [];   // all selectors that are matched by target element\n    this.matchElements = [];   // corresponding elements\n\n    this.inertiaStatus = {\n      active: false,\n      smoothEnd: false,\n      ending: false,\n\n      startEvent: null,\n      upCoords: {},\n\n      xe: 0, ye: 0,\n      sx: 0, sy: 0,\n\n      t0: 0,\n      vx0: 0, vys: 0,\n      duration: 0,\n\n      resumeDx: 0,\n      resumeDy: 0,\n\n      lambda_v0: 0,\n      one_ve_v0: 0,\n      i: null\n    };\n\n    if (isFunction(Function.prototype.bind)){\n      this.boundInertiaFrame = this.inertiaFrame.bind(this);\n      this.boundSmoothEndFrame = this.smoothEndFrame.bind(this);\n    }\n    else {\n      var that = this;\n\n      this.boundInertiaFrame = function(){ return that.inertiaFrame(); };\n      this.boundSmoothEndFrame = function(){ return that.smoothEndFrame(); };\n    }\n\n    this.activeDrops = {\n      dropzones: [],      // the dropzones that are mentioned below\n      elements: [],      // elements of dropzones that accept the target draggable\n      rects: []       // the rects of the elements mentioned above\n    };\n\n        // keep track of added pointers\n    this.pointers = [];\n    this.pointerIds = [];\n    this.downTargets = [];\n    this.downTimes = [];\n    this.holdTimers = [];\n\n        // Previous native pointer move event coordinates\n    this.prevCoords = {\n      page: { x: 0, y: 0 },\n      client: { x: 0, y: 0 },\n      timeStamp: 0\n    };\n        // current native pointer move event coordinates\n    this.curCoords = {\n      page: { x: 0, y: 0 },\n      client: { x: 0, y: 0 },\n      timeStamp: 0\n    };\n\n        // Starting InteractEvent pointer coordinates\n    this.startCoords = {\n      page: { x: 0, y: 0 },\n      client: { x: 0, y: 0 },\n      timeStamp: 0\n    };\n\n        // Change in coordinates and time of the pointer\n    this.pointerDelta = {\n      page: { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n      client: { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n      timeStamp: 0\n    };\n\n    this.downEvent = null;    // pointerdown/mousedown/touchstart event\n    this.downPointer = {};\n\n    this._eventTarget = null;\n    this._curEventTarget = null;\n\n    this.prevEvent = null;      // previous action event\n    this.tapTime = 0;         // time of the most recent tap event\n    this.prevTap = null;\n\n    this.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n    this.restrictOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n    this.snapOffsets = [];\n\n    this.gesture = {\n      start: { x: 0, y: 0 },\n\n      startDistance: 0,   // distance between two touches of touchStart\n      prevDistance: 0,\n      distance: 0,\n\n      scale: 1,           // gesture.distance / gesture.startDistance\n\n      startAngle: 0,      // angle of line joining two touches\n      prevAngle: 0       // angle of the previous gesture event\n    };\n\n    this.snapStatus = {\n      x: 0, y: 0,\n      dx: 0, dy: 0,\n      realX: 0, realY: 0,\n      snappedX: 0, snappedY: 0,\n      targets: [],\n      locked: false,\n      changed: false\n    };\n\n    this.restrictStatus = {\n      dx: 0, dy: 0,\n      restrictedX: 0, restrictedY: 0,\n      snap: null,\n      restricted: false,\n      changed: false\n    };\n\n    this.restrictStatus.snap = this.snapStatus;\n\n    this.pointerIsDown = false;\n    this.pointerWasMoved = false;\n    this.gesturing = false;\n    this.dragging = false;\n    this.resizing = false;\n    this.resizeAxes = 'xy';\n\n    this.mouse = false;\n\n    interactions.push(this);\n  }\n\n  Interaction.prototype = {\n    getPageXY: function(pointer, xy){ return getPageXY(pointer, xy, this); },\n    getClientXY: function(pointer, xy){ return getClientXY(pointer, xy, this); },\n    setEventXY: function(target, ptr){ return setEventXY(target, ptr, this); },\n\n    pointerOver: function(pointer, event, eventTarget){\n      if (this.prepared.name || !this.mouse){ return; }\n\n      var curMatches = [],\n        curMatchElements = [],\n        prevTargetElement = this.element;\n\n      this.addPointer(pointer);\n\n      if (this.target\n                && (testIgnore(this.target, this.element, eventTarget)\n                    || !testAllow(this.target, this.element, eventTarget))){\n                // if the eventTarget should be ignored or shouldn't be allowed\n                // clear the previous target\n        this.target = null;\n        this.element = null;\n        this.matches = [];\n        this.matchElements = [];\n      }\n\n      var elementInteractable = interactables.get(eventTarget),\n        elementAction = (elementInteractable\n                                 && !testIgnore(elementInteractable, eventTarget, eventTarget)\n                                 && testAllow(elementInteractable, eventTarget, eventTarget)\n                                 && validateAction(\n                                     elementInteractable.getAction(pointer, event, this, eventTarget),\n                                     elementInteractable));\n\n      if (elementAction && !withinInteractionLimit(elementInteractable, eventTarget, elementAction)){\n        elementAction = null;\n      }\n\n      function pushCurMatches(interactable, selector){\n        if (interactable\n                    && inContext(interactable, eventTarget)\n                    && !testIgnore(interactable, eventTarget, eventTarget)\n                    && testAllow(interactable, eventTarget, eventTarget)\n                    && matchesSelector(eventTarget, selector)){\n          curMatches.push(interactable);\n          curMatchElements.push(eventTarget);\n        }\n      }\n\n      if (elementAction){\n        this.target = elementInteractable;\n        this.element = eventTarget;\n        this.matches = [];\n        this.matchElements = [];\n      }\n      else {\n        interactables.forEachSelector(pushCurMatches);\n\n        if (this.validateSelector(pointer, event, curMatches, curMatchElements)){\n          this.matches = curMatches;\n          this.matchElements = curMatchElements;\n\n          this.pointerHover(pointer, event, this.matches, this.matchElements);\n          events.add(eventTarget, supportsPointerEvent ?\n              pEventTypes.move :\n              'mousemove',\n            listeners.pointerHover);\n        }\n        else if (this.target){\n          if (nodeContains(prevTargetElement, eventTarget)){\n            this.pointerHover(pointer, event, this.matches, this.matchElements);\n            events.add(this.element, supportsPointerEvent ?\n                pEventTypes.move :\n                'mousemove',\n              listeners.pointerHover);\n          }\n          else {\n            this.target = null;\n            this.element = null;\n            this.matches = [];\n            this.matchElements = [];\n          }\n        }\n      }\n    },\n\n        // Check what action would be performed on pointerMove target if a mouse\n        // button were pressed and change the cursor accordingly\n    pointerHover: function(pointer, event, eventTarget, curEventTarget, matches, matchElements){\n      var target = this.target;\n\n      if (!this.prepared.name && this.mouse){\n        var action;\n\n                // update pointer coords for defaultActionChecker to use\n        this.setEventXY(this.curCoords, [pointer]);\n\n        if (matches){\n          action = this.validateSelector(pointer, event, matches, matchElements);\n        }\n        else if (target){\n          action = validateAction(target.getAction(this.pointers[0], event, this, this.element), this.target);\n        }\n\n        if (target && target.options.styleCursor){\n          if (action){\n            target._doc.documentElement.style.cursor = getActionCursor(action);\n          }\n          else {\n            target._doc.documentElement.style.cursor = '';\n          }\n        }\n      }\n      else if (this.prepared.name){\n        this.checkAndPreventDefault(event, target, this.element);\n      }\n    },\n\n    pointerOut: function(pointer, event, eventTarget){\n      if (this.prepared.name){ return; }\n\n            // Remove temporary event listeners for selector Interactables\n      if (!interactables.get(eventTarget)){\n        events.remove(eventTarget,\n                                       supportsPointerEvent ? pEventTypes.move : 'mousemove',\n                                       listeners.pointerHover);\n      }\n\n      if (this.target && this.target.options.styleCursor && !this.interacting()){\n        this.target._doc.documentElement.style.cursor = '';\n      }\n    },\n\n    selectorDown: function(pointer, event, eventTarget, curEventTarget){\n      var that = this,\n                // copy event to be used in timeout for IE8\n        eventCopy = events.useAttachEvent ? extend({}, event) : event,\n        element = eventTarget,\n        pointerIndex = this.addPointer(pointer),\n        action;\n\n      this.holdTimers[pointerIndex] = setTimeout(function(){\n        that.pointerHold(events.useAttachEvent ? eventCopy : pointer, eventCopy, eventTarget, curEventTarget);\n      }, defaultOptions._holdDuration);\n\n      this.pointerIsDown = true;\n\n            // Check if the down event hits the current inertia target\n      if (this.inertiaStatus.active && this.target.selector){\n                // climb up the DOM tree from the event target\n        while (isElement(element)){\n                    // if this element is the current inertia target element\n          if (element === this.element\n                        // and the prospective action is the same as the ongoing one\n                        && validateAction(this.target.getAction(pointer, event, this, this.element), this.target).name === this.prepared.name){\n                        // stop inertia so that the next move will be a normal one\n            cancelFrame(this.inertiaStatus.i);\n            this.inertiaStatus.active = false;\n\n            this.collectEventTargets(pointer, event, eventTarget, 'down');\n            return;\n          }\n          element = parentElement(element);\n        }\n      }\n\n            // do nothing if interacting\n      if (this.interacting()){\n        this.collectEventTargets(pointer, event, eventTarget, 'down');\n        return;\n      }\n\n      function pushMatches(interactable, selector, context){\n        var elements = ie8MatchesSelector\n                    ? context.querySelectorAll(selector)\n                    : undefined;\n\n        if (inContext(interactable, element)\n                    && !testIgnore(interactable, element, eventTarget)\n                    && testAllow(interactable, element, eventTarget)\n                    && matchesSelector(element, selector, elements)){\n          that.matches.push(interactable);\n          that.matchElements.push(element);\n        }\n      }\n\n            // update pointer coords for defaultActionChecker to use\n      this.setEventXY(this.curCoords, [pointer]);\n      this.downEvent = event;\n\n      while (isElement(element) && !action){\n        this.matches = [];\n        this.matchElements = [];\n\n        interactables.forEachSelector(pushMatches);\n\n        action = this.validateSelector(pointer, event, this.matches, this.matchElements);\n        element = parentElement(element);\n      }\n\n      if (action){\n        this.prepared.name = action.name;\n        this.prepared.axis = action.axis;\n        this.prepared.edges = action.edges;\n\n        this.collectEventTargets(pointer, event, eventTarget, 'down');\n\n        return this.pointerDown(pointer, event, eventTarget, curEventTarget, action);\n      }\n      else {\n                // do these now since pointerDown isn't being called from here\n        this.downTimes[pointerIndex] = new Date().getTime();\n        this.downTargets[pointerIndex] = eventTarget;\n        pointerExtend(this.downPointer, pointer);\n\n        copyCoords(this.prevCoords, this.curCoords);\n        this.pointerWasMoved = false;\n      }\n\n      this.collectEventTargets(pointer, event, eventTarget, 'down');\n    },\n\n        // Determine action to be performed on next pointerMove and add appropriate\n        // style and event Listeners\n    pointerDown: function(pointer, event, eventTarget, curEventTarget, forceAction){\n      if (!forceAction && !this.inertiaStatus.active && this.pointerWasMoved && this.prepared.name){\n        this.checkAndPreventDefault(event, this.target, this.element);\n\n        return;\n      }\n\n      this.pointerIsDown = true;\n      this.downEvent = event;\n\n      var pointerIndex = this.addPointer(pointer),\n        action;\n\n            // If it is the second touch of a multi-touch gesture, keep the\n            // target the same and get a new action if a target was set by the\n            // first touch\n      if (this.pointerIds.length > 1 && this.target._element === this.element){\n        var newAction = validateAction(forceAction || this.target.getAction(pointer, event, this, this.element), this.target);\n\n        if (withinInteractionLimit(this.target, this.element, newAction)){\n          action = newAction;\n        }\n\n        this.prepared.name = null;\n      }\n            // Otherwise, set the target if there is no action prepared\n      else if (!this.prepared.name){\n        var interactable = interactables.get(curEventTarget);\n\n        if (interactable\n                    && !testIgnore(interactable, curEventTarget, eventTarget)\n                    && testAllow(interactable, curEventTarget, eventTarget)\n                    && (action = validateAction(forceAction || interactable.getAction(pointer, event, this, curEventTarget), interactable, eventTarget))\n                    && withinInteractionLimit(interactable, curEventTarget, action)){\n          this.target = interactable;\n          this.element = curEventTarget;\n        }\n      }\n\n      var target = this.target,\n        options = target && target.options;\n\n      if (target && (forceAction || !this.prepared.name)){\n        action = action || validateAction(forceAction || target.getAction(pointer, event, this, curEventTarget), target, this.element);\n\n        this.setEventXY(this.startCoords, this.pointers);\n\n        if (!action){ return; }\n\n        if (options.styleCursor){\n          target._doc.documentElement.style.cursor = getActionCursor(action);\n        }\n\n        this.resizeAxes = action.name === 'resize' ? action.axis : null;\n\n        if (action === 'gesture' && this.pointerIds.length < 2){\n          action = null;\n        }\n\n        this.prepared.name = action.name;\n        this.prepared.axis = action.axis;\n        this.prepared.edges = action.edges;\n\n        this.snapStatus.snappedX = this.snapStatus.snappedY =\n                    this.restrictStatus.restrictedX = this.restrictStatus.restrictedY = NaN;\n\n        this.downTimes[pointerIndex] = new Date().getTime();\n        this.downTargets[pointerIndex] = eventTarget;\n        pointerExtend(this.downPointer, pointer);\n\n        copyCoords(this.prevCoords, this.startCoords);\n        this.pointerWasMoved = false;\n\n        this.checkAndPreventDefault(event, target, this.element);\n      }\n            // if inertia is active try to resume action\n      else if (this.inertiaStatus.active\n                && curEventTarget === this.element\n                && validateAction(target.getAction(pointer, event, this, this.element), target).name === this.prepared.name){\n        cancelFrame(this.inertiaStatus.i);\n        this.inertiaStatus.active = false;\n\n        this.checkAndPreventDefault(event, target, this.element);\n      }\n    },\n\n    setModifications: function(coords, preEnd){\n      var target = this.target,\n        shouldMove = true,\n        shouldSnap = checkSnap(target, this.prepared.name) && (!target.options[this.prepared.name].snap.endOnly || preEnd),\n        shouldRestrict = checkRestrict(target, this.prepared.name) && (!target.options[this.prepared.name].restrict.endOnly || preEnd);\n\n      if (shouldSnap){ this.setSnapping(coords); } else { this.snapStatus.locked = false; }\n      if (shouldRestrict){ this.setRestriction(coords); } else { this.restrictStatus.restricted = false; }\n\n      if (shouldSnap && this.snapStatus.locked && !this.snapStatus.changed){\n        shouldMove = shouldRestrict && this.restrictStatus.restricted && this.restrictStatus.changed;\n      }\n      else if (shouldRestrict && this.restrictStatus.restricted && !this.restrictStatus.changed){\n        shouldMove = false;\n      }\n\n      return shouldMove;\n    },\n\n    setStartOffsets: function(action, interactable, element){\n      var rect = interactable.getRect(element),\n        origin = getOriginXY(interactable, element),\n        snap = interactable.options[this.prepared.name].snap,\n        restrict = interactable.options[this.prepared.name].restrict,\n        width, height;\n\n      if (rect){\n        this.startOffset.left = this.startCoords.page.x - rect.left;\n        this.startOffset.top = this.startCoords.page.y - rect.top;\n\n        this.startOffset.right = rect.right - this.startCoords.page.x;\n        this.startOffset.bottom = rect.bottom - this.startCoords.page.y;\n\n        if ('width' in rect){ width = rect.width; }\n        else { width = rect.right - rect.left; }\n        if ('height' in rect){ height = rect.height; }\n        else { height = rect.bottom - rect.top; }\n      }\n      else {\n        this.startOffset.left = this.startOffset.top = this.startOffset.right = this.startOffset.bottom = 0;\n      }\n\n      this.snapOffsets.splice(0);\n\n      var snapOffset = snap && snap.offset === 'startCoords'\n                                ? {\n                                  x: this.startCoords.page.x - origin.x,\n                                  y: this.startCoords.page.y - origin.y\n                                }\n                                : snap && snap.offset || { x: 0, y: 0 };\n\n      if (rect && snap && snap.relativePoints && snap.relativePoints.length){\n        for (var i = 0; i < snap.relativePoints.length; i++){\n          this.snapOffsets.push({\n            x: this.startOffset.left - (width * snap.relativePoints[i].x) + snapOffset.x,\n            y: this.startOffset.top - (height * snap.relativePoints[i].y) + snapOffset.y\n          });\n        }\n      }\n      else {\n        this.snapOffsets.push(snapOffset);\n      }\n\n      if (rect && restrict.elementRect){\n        this.restrictOffset.left = this.startOffset.left - (width * restrict.elementRect.left);\n        this.restrictOffset.top = this.startOffset.top - (height * restrict.elementRect.top);\n\n        this.restrictOffset.right = this.startOffset.right - (width * (1 - restrict.elementRect.right));\n        this.restrictOffset.bottom = this.startOffset.bottom - (height * (1 - restrict.elementRect.bottom));\n      }\n      else {\n        this.restrictOffset.left = this.restrictOffset.top = this.restrictOffset.right = this.restrictOffset.bottom = 0;\n      }\n    },\n\n        /* \\\n         * Interaction.start\n         [ method ]\n         *\n         * Start an action with the given Interactable and Element as tartgets. The\n         * action must be enabled for the target Interactable and an appropriate number\n         * of pointers must be held down – 1 for drag/resize, 2 for gesture.\n         *\n         * Use it with `interactable.<action>able({ manualStart: false })` to always\n         * [start actions manually](https://github.com/taye/interact.js/issues/114)\n         *\n         - action       (object)  The action to be performed - drag, resize, etc.\n         - interactable (Interactable) The Interactable to target\n         - element      (Element) The DOM Element to target\n         = (object) interact\n         **\n         | interact(target)\n         |   .draggable({\n         |     // disable the default drag start by down->move\n         |     manualStart: true\n         |   })\n         |   // start dragging after the user holds the pointer down\n         |   .on('hold', function (event) {\n         |     var interaction = event.interaction;\n         |\n         |     if (!interaction.interacting()) {\n         |       interaction.start({ name: 'drag' },\n         |                         event.interactable,\n         |                         event.currentTarget);\n         |     }\n         | });\n        \\*/\n    start: function(action, interactable, element){\n      if (this.interacting()\n                || !this.pointerIsDown\n                || this.pointerIds.length < (action.name === 'gesture' ? 2 : 1)){\n        return;\n      }\n\n            // if this interaction had been removed after stopping\n            // add it back\n      if (indexOf(interactions, this) === -1){\n        interactions.push(this);\n      }\n\n            // set the startCoords if there was no prepared action\n      if (!this.prepared.name){\n        this.setEventXY(this.startCoords);\n      }\n\n      this.prepared.name = action.name;\n      this.prepared.axis = action.axis;\n      this.prepared.edges = action.edges;\n      this.target = interactable;\n      this.element = element;\n\n      this.setStartOffsets(action.name, interactable, element);\n      this.setModifications(this.startCoords.page);\n\n      this.prevEvent = this[this.prepared.name + 'Start'](this.downEvent);\n    },\n\n    pointerMove: function(pointer, event, eventTarget, curEventTarget, preEnd){\n      if (this.inertiaStatus.active){\n        var pageUp = this.inertiaStatus.upCoords.page;\n        var clientUp = this.inertiaStatus.upCoords.client;\n\n        var inertiaPosition = {\n          pageX: pageUp.x + this.inertiaStatus.sx,\n          pageY: pageUp.y + this.inertiaStatus.sy,\n          clientX: clientUp.x + this.inertiaStatus.sx,\n          clientY: clientUp.y + this.inertiaStatus.sy\n        };\n\n        this.setEventXY(this.curCoords, [inertiaPosition]);\n      }\n      else {\n        this.recordPointer(pointer);\n        this.setEventXY(this.curCoords, this.pointers);\n      }\n\n      var duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n                                 && this.curCoords.page.y === this.prevCoords.page.y\n                                 && this.curCoords.client.x === this.prevCoords.client.x\n                                 && this.curCoords.client.y === this.prevCoords.client.y);\n\n      var dx, dy,\n        pointerIndex = this.mouse ? 0 : indexOf(this.pointerIds, getPointerId(pointer));\n\n            // register movement greater than pointerMoveTolerance\n      if (this.pointerIsDown && !this.pointerWasMoved){\n        dx = this.curCoords.client.x - this.startCoords.client.x;\n        dy = this.curCoords.client.y - this.startCoords.client.y;\n\n        this.pointerWasMoved = hypot(dx, dy) > pointerMoveTolerance;\n      }\n\n      if (!duplicateMove && (!this.pointerIsDown || this.pointerWasMoved)){\n        if (this.pointerIsDown){\n          clearTimeout(this.holdTimers[pointerIndex]);\n        }\n\n        this.collectEventTargets(pointer, event, eventTarget, 'move');\n      }\n\n      if (!this.pointerIsDown){ return; }\n\n      if (duplicateMove && this.pointerWasMoved && !preEnd){\n        this.checkAndPreventDefault(event, this.target, this.element);\n        return;\n      }\n\n            // set pointer coordinate, time changes and speeds\n      setEventDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n      if (!this.prepared.name){ return; }\n\n      if (this.pointerWasMoved\n                // ignore movement while inertia is active\n                && (!this.inertiaStatus.active || (pointer instanceof InteractEvent && /inertiastart/.test(pointer.type)))){\n                // if just starting an action, calculate the pointer speed now\n        if (!this.interacting()){\n          setEventDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n                    // check if a drag is in the correct axis\n          if (this.prepared.name === 'drag'){\n            var absX = Math.abs(dx),\n              absY = Math.abs(dy),\n              targetAxis = this.target.options.drag.axis,\n              axis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n                        // if the movement isn't in the axis of the interactable\n            if (axis !== 'xy' && targetAxis !== 'xy' && targetAxis !== axis){\n                            // cancel the prepared action\n              this.prepared.name = null;\n\n                            // then try to get a drag from another ineractable\n\n              var element = eventTarget;\n\n                            // check element interactables\n              while (isElement(element)){\n                var elementInteractable = interactables.get(element);\n\n                if (elementInteractable\n                                    && elementInteractable !== this.target\n                                    && !elementInteractable.options.drag.manualStart\n                                    && elementInteractable.getAction(this.downPointer, this.downEvent, this, element).name === 'drag'\n                                    && checkAxis(axis, elementInteractable)){\n                  this.prepared.name = 'drag';\n                  this.target = elementInteractable;\n                  this.element = element;\n                  break;\n                }\n\n                element = parentElement(element);\n              }\n\n                            // if there's no drag from element interactables,\n                            // check the selector interactables\n              if (!this.prepared.name){\n                var thisInteraction = this;\n\n                var getDraggable = function(interactable, selector, context){\n                  var elements = ie8MatchesSelector\n                                        ? context.querySelectorAll(selector)\n                                        : undefined;\n\n                  if (interactable === thisInteraction.target){ return; }\n\n                  if (inContext(interactable, eventTarget)\n                                        && !interactable.options.drag.manualStart\n                                        && !testIgnore(interactable, element, eventTarget)\n                                        && testAllow(interactable, element, eventTarget)\n                                        && matchesSelector(element, selector, elements)\n                                        && interactable.getAction(thisInteraction.downPointer, thisInteraction.downEvent, thisInteraction, element).name === 'drag'\n                                        && checkAxis(axis, interactable)\n                                        && withinInteractionLimit(interactable, element, 'drag')){\n                    return interactable;\n                  }\n                };\n\n                element = eventTarget;\n\n                while (isElement(element)){\n                  var selectorInteractable = interactables.forEachSelector(getDraggable);\n\n                  if (selectorInteractable){\n                    this.prepared.name = 'drag';\n                    this.target = selectorInteractable;\n                    this.element = element;\n                    break;\n                  }\n\n                  element = parentElement(element);\n                }\n              }\n            }\n          }\n        }\n\n        var starting = !!this.prepared.name && !this.interacting();\n\n        if (starting\n                    && (this.target.options[this.prepared.name].manualStart\n                        || !withinInteractionLimit(this.target, this.element, this.prepared))){\n          this.stop(event);\n          return;\n        }\n\n        if (this.prepared.name && this.target){\n          if (starting){\n            this.start(this.prepared, this.target, this.element);\n          }\n\n          var shouldMove = this.setModifications(this.curCoords.page, preEnd);\n\n                    // move if snapping or restriction doesn't prevent it\n          if (shouldMove || starting){\n            this.prevEvent = this[this.prepared.name + 'Move'](event);\n          }\n\n          this.checkAndPreventDefault(event, this.target, this.element);\n        }\n      }\n\n      copyCoords(this.prevCoords, this.curCoords);\n\n      if (this.dragging || this.resizing){\n        this.autoScrollMove(pointer);\n      }\n    },\n\n    dragStart: function(event){\n      var dragEvent = new InteractEvent(this, event, 'drag', 'start', this.element);\n\n      dragEvent.originalEvent = event;\n      this.dragging = true;\n      this.target.fire(dragEvent);\n\n            // reset active dropzones\n      this.activeDrops.dropzones = [];\n      this.activeDrops.elements = [];\n      this.activeDrops.rects = [];\n\n      if (!this.dynamicDrop){\n        this.setActiveDrops(this.element);\n      }\n\n      var dropEvents = this.getDropEvents(event, dragEvent);\n\n      if (dropEvents.activate){\n        this.fireActiveDrops(dropEvents.activate);\n      }\n\n      return dragEvent;\n    },\n\n    dragMove: function(event){\n      var target = this.target,\n        dragEvent = new InteractEvent(this, event, 'drag', 'move', this.element),\n        draggableElement = this.element,\n        drop = this.getDrop(dragEvent, event, draggableElement);\n\n      dragEvent.originalEvent = event;\n\n      this.dropTarget = drop.dropzone;\n      this.dropElement = drop.element;\n\n      var dropEvents = this.getDropEvents(event, dragEvent);\n\n      target.fire(dragEvent);\n\n      if (dropEvents.leave){ this.prevDropTarget.fire(dropEvents.leave); }\n      if (dropEvents.enter){ this.dropTarget.fire(dropEvents.enter); }\n      if (dropEvents.move){ this.dropTarget.fire(dropEvents.move); }\n\n      this.prevDropTarget = this.dropTarget;\n      this.prevDropElement = this.dropElement;\n\n      return dragEvent;\n    },\n\n    resizeStart: function(event){\n      var resizeEvent = new InteractEvent(this, event, 'resize', 'start', this.element);\n\n      if (this.prepared.edges){\n        var startRect = this.target.getRect(this.element);\n\n                /*\n                 * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n                 * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n                 * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n                 * on the active edges and the edge being interacted with.\n                 */\n        if (this.target.options.resize.square || this.target.options.resize.preserveAspectRatio){\n          var linkedEdges = extend({}, this.prepared.edges);\n\n          linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n          linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right);\n          linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top);\n          linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left);\n\n          this.prepared._linkedEdges = linkedEdges;\n        }\n        else {\n          this.prepared._linkedEdges = null;\n        }\n\n                // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n        if (this.target.options.resize.preserveAspectRatio){\n          this.resizeStartAspectRatio = startRect.width / startRect.height;\n        }\n\n        this.resizeRects = {\n          start: startRect,\n          current: extend({}, startRect),\n          restricted: extend({}, startRect),\n          previous: extend({}, startRect),\n          delta: {\n            left: 0, right: 0, width: 0,\n            top: 0, bottom: 0, height: 0\n          }\n        };\n\n        resizeEvent.rect = this.resizeRects.restricted;\n        resizeEvent.deltaRect = this.resizeRects.delta;\n      }\n\n      this.target.fire(resizeEvent);\n\n      this.resizing = true;\n\n      return resizeEvent;\n    },\n\n    resizeMove: function(event){\n      var resizeEvent = new InteractEvent(this, event, 'resize', 'move', this.element);\n\n      var edges = this.prepared.edges,\n        invert = this.target.options.resize.invert,\n        invertible = invert === 'reposition' || invert === 'negate';\n\n      if (edges){\n        var dx = resizeEvent.dx,\n          dy = resizeEvent.dy,\n\n          start = this.resizeRects.start,\n          current = this.resizeRects.current,\n          restricted = this.resizeRects.restricted,\n          delta = this.resizeRects.delta,\n          previous = extend(this.resizeRects.previous, restricted),\n\n          originalEdges = edges;\n\n                // `resize.preserveAspectRatio` takes precedence over `resize.square`\n        if (this.target.options.resize.preserveAspectRatio){\n          var resizeStartAspectRatio = this.resizeStartAspectRatio;\n\n          edges = this.prepared._linkedEdges;\n\n          if ((originalEdges.left && originalEdges.bottom)\n                        || (originalEdges.right && originalEdges.top)){\n            dy = -dx / resizeStartAspectRatio;\n          }\n          else if (originalEdges.left || originalEdges.right){ dy = dx / resizeStartAspectRatio; }\n                    else if (originalEdges.top || originalEdges.bottom){ dx = dy * resizeStartAspectRatio; }\n        }\n        else if (this.target.options.resize.square){\n          edges = this.prepared._linkedEdges;\n\n          if ((originalEdges.left && originalEdges.bottom)\n                        || (originalEdges.right && originalEdges.top)){\n            dy = -dx;\n          }\n          else if (originalEdges.left || originalEdges.right){ dy = dx; }\n                    else if (originalEdges.top || originalEdges.bottom){ dx = dy; }\n        }\n\n                // update the 'current' rect without modifications\n        if (edges.top){ current.top += dy; }\n        if (edges.bottom){ current.bottom += dy; }\n        if (edges.left){ current.left += dx; }\n        if (edges.right){ current.right += dx; }\n\n        if (invertible){\n                    // if invertible, copy the current rect\n          extend(restricted, current);\n\n          if (invert === 'reposition'){\n                        // swap edge values if necessary to keep width/height positive\n            var swap;\n\n            if (restricted.top > restricted.bottom){\n              swap = restricted.top;\n\n              restricted.top = restricted.bottom;\n              restricted.bottom = swap;\n            }\n            if (restricted.left > restricted.right){\n              swap = restricted.left;\n\n              restricted.left = restricted.right;\n              restricted.right = swap;\n            }\n          }\n        }\n        else {\n                    // if not invertible, restrict to minimum of 0x0 rect\n          restricted.top = Math.min(current.top, start.bottom);\n          restricted.bottom = Math.max(current.bottom, start.top);\n          restricted.left = Math.min(current.left, start.right);\n          restricted.right = Math.max(current.right, start.left);\n        }\n\n        restricted.width = restricted.right - restricted.left;\n        restricted.height = restricted.bottom - restricted.top;\n\n        for (var edge in restricted){\n          delta[edge] = restricted[edge] - previous[edge];\n        }\n\n        resizeEvent.edges = this.prepared.edges;\n        resizeEvent.rect = restricted;\n        resizeEvent.deltaRect = delta;\n      }\n\n      this.target.fire(resizeEvent);\n\n      return resizeEvent;\n    },\n\n    gestureStart: function(event){\n      var gestureEvent = new InteractEvent(this, event, 'gesture', 'start', this.element);\n\n      gestureEvent.ds = 0;\n\n      this.gesture.startDistance = this.gesture.prevDistance = gestureEvent.distance;\n      this.gesture.startAngle = this.gesture.prevAngle = gestureEvent.angle;\n      this.gesture.scale = 1;\n\n      this.gesturing = true;\n\n      this.target.fire(gestureEvent);\n\n      return gestureEvent;\n    },\n\n    gestureMove: function(event){\n      if (!this.pointerIds.length){\n        return this.prevEvent;\n      }\n\n      var gestureEvent;\n\n      gestureEvent = new InteractEvent(this, event, 'gesture', 'move', this.element);\n      gestureEvent.ds = gestureEvent.scale - this.gesture.scale;\n\n      this.target.fire(gestureEvent);\n\n      this.gesture.prevAngle = gestureEvent.angle;\n      this.gesture.prevDistance = gestureEvent.distance;\n\n      if (gestureEvent.scale !== Infinity &&\n                gestureEvent.scale !== null &&\n                gestureEvent.scale !== undefined &&\n                !isNaN(gestureEvent.scale)){\n        this.gesture.scale = gestureEvent.scale;\n      }\n\n      return gestureEvent;\n    },\n\n    pointerHold: function(pointer, event, eventTarget){\n      this.collectEventTargets(pointer, event, eventTarget, 'hold');\n    },\n\n    pointerUp: function(pointer, event, eventTarget, curEventTarget){\n      var pointerIndex = this.mouse ? 0 : indexOf(this.pointerIds, getPointerId(pointer));\n\n      clearTimeout(this.holdTimers[pointerIndex]);\n\n      this.collectEventTargets(pointer, event, eventTarget, 'up');\n      this.collectEventTargets(pointer, event, eventTarget, 'tap');\n\n      this.pointerEnd(pointer, event, eventTarget, curEventTarget);\n\n      this.removePointer(pointer);\n    },\n\n    pointerCancel: function(pointer, event, eventTarget, curEventTarget){\n      var pointerIndex = this.mouse ? 0 : indexOf(this.pointerIds, getPointerId(pointer));\n\n      clearTimeout(this.holdTimers[pointerIndex]);\n\n      this.collectEventTargets(pointer, event, eventTarget, 'cancel');\n      this.pointerEnd(pointer, event, eventTarget, curEventTarget);\n\n      this.removePointer(pointer);\n    },\n\n        // http://www.quirksmode.org/dom/events/click.html\n        // >Events leading to dblclick\n        //\n        // IE8 doesn't fire down event before dblclick.\n        // This workaround tries to fire a tap and doubletap after dblclick\n    ie8Dblclick: function(pointer, event, eventTarget){\n      if (this.prevTap\n                && event.clientX === this.prevTap.clientX\n                && event.clientY === this.prevTap.clientY\n                && eventTarget === this.prevTap.target){\n        this.downTargets[0] = eventTarget;\n        this.downTimes[0] = new Date().getTime();\n        this.collectEventTargets(pointer, event, eventTarget, 'tap');\n      }\n    },\n\n        // End interact move events and stop auto-scroll unless inertia is enabled\n    pointerEnd: function(pointer, event, eventTarget, curEventTarget){\n      var endEvent,\n        target = this.target,\n        options = target && target.options,\n        inertiaOptions = options && this.prepared.name && options[this.prepared.name].inertia,\n        inertiaStatus = this.inertiaStatus;\n\n      if (this.interacting()){\n        if (inertiaStatus.active && !inertiaStatus.ending){ return; }\n\n        var pointerSpeed,\n          now = new Date().getTime(),\n          inertiaPossible = false,\n          inertia = false,\n          smoothEnd = false,\n          endSnap = checkSnap(target, this.prepared.name) && options[this.prepared.name].snap.endOnly,\n          endRestrict = checkRestrict(target, this.prepared.name) && options[this.prepared.name].restrict.endOnly,\n          dx = 0,\n          dy = 0,\n          startEvent;\n\n        if (this.dragging){\n          if (options.drag.axis === 'x'){ pointerSpeed = Math.abs(this.pointerDelta.client.vx); }\n          else if (options.drag.axis === 'y'){ pointerSpeed = Math.abs(this.pointerDelta.client.vy); }\n                    else   /* options.drag.axis === 'xy'*/{ pointerSpeed = this.pointerDelta.client.speed; }\n        }\n        else {\n          pointerSpeed = this.pointerDelta.client.speed;\n        }\n\n                // check if inertia should be started\n        inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n                                   && this.prepared.name !== 'gesture'\n                                   && event !== inertiaStatus.startEvent);\n\n        inertia = (inertiaPossible\n                           && (now - this.curCoords.timeStamp) < 50\n                           && pointerSpeed > inertiaOptions.minSpeed\n                           && pointerSpeed > inertiaOptions.endSpeed);\n\n        if (inertiaPossible && !inertia && (endSnap || endRestrict)){\n          var snapRestrict = {};\n\n          snapRestrict.snap = snapRestrict.restrict = snapRestrict;\n\n          if (endSnap){\n            this.setSnapping(this.curCoords.page, snapRestrict);\n            if (snapRestrict.locked){\n              dx += snapRestrict.dx;\n              dy += snapRestrict.dy;\n            }\n          }\n\n          if (endRestrict){\n            this.setRestriction(this.curCoords.page, snapRestrict);\n            if (snapRestrict.restricted){\n              dx += snapRestrict.dx;\n              dy += snapRestrict.dy;\n            }\n          }\n\n          if (dx || dy){\n            smoothEnd = true;\n          }\n        }\n\n        if (inertia || smoothEnd){\n          copyCoords(inertiaStatus.upCoords, this.curCoords);\n\n          this.pointers[0] = inertiaStatus.startEvent = startEvent =\n                        new InteractEvent(this, event, this.prepared.name, 'inertiastart', this.element);\n\n          inertiaStatus.t0 = now;\n\n          target.fire(inertiaStatus.startEvent);\n\n          if (inertia){\n            inertiaStatus.vx0 = this.pointerDelta.client.vx;\n            inertiaStatus.vy0 = this.pointerDelta.client.vy;\n            inertiaStatus.v0 = pointerSpeed;\n\n            this.calcInertia(inertiaStatus);\n\n            var page = extend({}, this.curCoords.page),\n              origin = getOriginXY(target, this.element),\n              statusObject;\n\n            page.x = page.x + inertiaStatus.xe - origin.x;\n            page.y = page.y + inertiaStatus.ye - origin.y;\n\n            statusObject = {\n              useStatusXY: true,\n              x: page.x,\n              y: page.y,\n              dx: 0,\n              dy: 0,\n              snap: null\n            };\n\n            statusObject.snap = statusObject;\n\n            dx = dy = 0;\n\n            if (endSnap){\n              var snap = this.setSnapping(this.curCoords.page, statusObject);\n\n              if (snap.locked){\n                dx += snap.dx;\n                dy += snap.dy;\n              }\n            }\n\n            if (endRestrict){\n              var restrict = this.setRestriction(this.curCoords.page, statusObject);\n\n              if (restrict.restricted){\n                dx += restrict.dx;\n                dy += restrict.dy;\n              }\n            }\n\n            inertiaStatus.modifiedXe += dx;\n            inertiaStatus.modifiedYe += dy;\n\n            inertiaStatus.i = reqFrame(this.boundInertiaFrame);\n          }\n          else {\n            inertiaStatus.smoothEnd = true;\n            inertiaStatus.xe = dx;\n            inertiaStatus.ye = dy;\n\n            inertiaStatus.sx = inertiaStatus.sy = 0;\n\n            inertiaStatus.i = reqFrame(this.boundSmoothEndFrame);\n          }\n\n          inertiaStatus.active = true;\n          return;\n        }\n\n        if (endSnap || endRestrict){\n                    // fire a move event at the snapped coordinates\n          this.pointerMove(pointer, event, eventTarget, curEventTarget, true);\n        }\n      }\n\n      if (this.dragging){\n        endEvent = new InteractEvent(this, event, 'drag', 'end', this.element);\n\n        var draggableElement = this.element,\n          drop = this.getDrop(endEvent, event, draggableElement);\n\n        this.dropTarget = drop.dropzone;\n        this.dropElement = drop.element;\n\n        var dropEvents = this.getDropEvents(event, endEvent);\n\n        if (dropEvents.leave){ this.prevDropTarget.fire(dropEvents.leave); }\n        if (dropEvents.enter){ this.dropTarget.fire(dropEvents.enter); }\n        if (dropEvents.drop){ this.dropTarget.fire(dropEvents.drop); }\n        if (dropEvents.deactivate){\n          this.fireActiveDrops(dropEvents.deactivate);\n        }\n\n        target.fire(endEvent);\n      }\n      else if (this.resizing){\n        endEvent = new InteractEvent(this, event, 'resize', 'end', this.element);\n        target.fire(endEvent);\n      }\n            else if (this.gesturing){\n              endEvent = new InteractEvent(this, event, 'gesture', 'end', this.element);\n              target.fire(endEvent);\n            }\n\n      this.stop(event);\n    },\n\n    collectDrops: function(element){\n      var drops = [],\n        elements = [],\n        i;\n\n      element = element || this.element;\n\n            // collect all dropzones and their elements which qualify for a drop\n      for (i = 0; i < interactables.length; i++){\n        if (!interactables[i].options.drop.enabled){ continue; }\n\n        var current = interactables[i],\n          accept = current.options.drop.accept;\n\n                // test the draggable element against the dropzone's accept setting\n        if ((isElement(accept) && accept !== element)\n                    || (isString(accept)\n                        && !matchesSelector(element, accept))){\n          continue;\n        }\n\n                // query for new elements if necessary\n        var dropElements = current.selector ? current._context.querySelectorAll(current.selector) : [current._element];\n\n        for (var j = 0, len = dropElements.length; j < len; j++){\n          var currentElement = dropElements[j];\n\n          if (currentElement === element){\n            continue;\n          }\n\n          drops.push(current);\n          elements.push(currentElement);\n        }\n      }\n\n      return {\n        dropzones: drops,\n        elements: elements\n      };\n    },\n\n    fireActiveDrops: function(event){\n      var i,\n        current,\n        currentElement,\n        prevElement;\n\n            // loop through all active dropzones and trigger event\n      for (i = 0; i < this.activeDrops.dropzones.length; i++){\n        current = this.activeDrops.dropzones[i];\n        currentElement = this.activeDrops.elements[i];\n\n                // prevent trigger of duplicate events on same element\n        if (currentElement !== prevElement){\n                    // set current element as event target\n          event.target = currentElement;\n          current.fire(event);\n        }\n        prevElement = currentElement;\n      }\n    },\n\n        // Collect a new set of possible drops and save them in activeDrops.\n        // setActiveDrops should always be called when a drag has just started or a\n        // drag event happens while dynamicDrop is true\n    setActiveDrops: function(dragElement){\n            // get dropzones and their elements that could receive the draggable\n      var possibleDrops = this.collectDrops(dragElement, true);\n\n      this.activeDrops.dropzones = possibleDrops.dropzones;\n      this.activeDrops.elements = possibleDrops.elements;\n      this.activeDrops.rects = [];\n\n      for (var i = 0; i < this.activeDrops.dropzones.length; i++){\n        this.activeDrops.rects[i] = this.activeDrops.dropzones[i].getRect(this.activeDrops.elements[i]);\n      }\n    },\n\n    getDrop: function(dragEvent, event, dragElement){\n      var validDrops = [];\n\n      if (dynamicDrop){\n        this.setActiveDrops(dragElement);\n      }\n\n            // collect all dropzones and their elements which qualify for a drop\n      for (var j = 0; j < this.activeDrops.dropzones.length; j++){\n        var current = this.activeDrops.dropzones[j],\n          currentElement = this.activeDrops.elements[j],\n          rect = this.activeDrops.rects[j];\n\n        validDrops.push(current.dropCheck(dragEvent, event, this.target, dragElement, currentElement, rect)\n                                ? currentElement\n                                : null);\n      }\n\n            // get the most appropriate dropzone based on DOM depth and order\n      var dropIndex = indexOfDeepestElement(validDrops),\n        dropzone = this.activeDrops.dropzones[dropIndex] || null,\n        element = this.activeDrops.elements[dropIndex] || null;\n\n      return {\n        dropzone: dropzone,\n        element: element\n      };\n    },\n\n    getDropEvents: function(pointerEvent, dragEvent){\n      var dropEvents = {\n        enter: null,\n        leave: null,\n        activate: null,\n        deactivate: null,\n        move: null,\n        drop: null\n      };\n\n      if (this.dropElement !== this.prevDropElement){\n                // if there was a prevDropTarget, create a dragleave event\n        if (this.prevDropTarget){\n          dropEvents.leave = {\n            target: this.prevDropElement,\n            dropzone: this.prevDropTarget,\n            relatedTarget: dragEvent.target,\n            draggable: dragEvent.interactable,\n            dragEvent: dragEvent,\n            interaction: this,\n            timeStamp: dragEvent.timeStamp,\n            type: 'dragleave'\n          };\n\n          dragEvent.dragLeave = this.prevDropElement;\n          dragEvent.prevDropzone = this.prevDropTarget;\n        }\n                // if the dropTarget is not null, create a dragenter event\n        if (this.dropTarget){\n          dropEvents.enter = {\n            target: this.dropElement,\n            dropzone: this.dropTarget,\n            relatedTarget: dragEvent.target,\n            draggable: dragEvent.interactable,\n            dragEvent: dragEvent,\n            interaction: this,\n            timeStamp: dragEvent.timeStamp,\n            type: 'dragenter'\n          };\n\n          dragEvent.dragEnter = this.dropElement;\n          dragEvent.dropzone = this.dropTarget;\n        }\n      }\n\n      if (dragEvent.type === 'dragend' && this.dropTarget){\n        dropEvents.drop = {\n          target: this.dropElement,\n          dropzone: this.dropTarget,\n          relatedTarget: dragEvent.target,\n          draggable: dragEvent.interactable,\n          dragEvent: dragEvent,\n          interaction: this,\n          timeStamp: dragEvent.timeStamp,\n          type: 'drop'\n        };\n\n        dragEvent.dropzone = this.dropTarget;\n      }\n      if (dragEvent.type === 'dragstart'){\n        dropEvents.activate = {\n          target: null,\n          dropzone: null,\n          relatedTarget: dragEvent.target,\n          draggable: dragEvent.interactable,\n          dragEvent: dragEvent,\n          interaction: this,\n          timeStamp: dragEvent.timeStamp,\n          type: 'dropactivate'\n        };\n      }\n      if (dragEvent.type === 'dragend'){\n        dropEvents.deactivate = {\n          target: null,\n          dropzone: null,\n          relatedTarget: dragEvent.target,\n          draggable: dragEvent.interactable,\n          dragEvent: dragEvent,\n          interaction: this,\n          timeStamp: dragEvent.timeStamp,\n          type: 'dropdeactivate'\n        };\n      }\n      if (dragEvent.type === 'dragmove' && this.dropTarget){\n        dropEvents.move = {\n          target: this.dropElement,\n          dropzone: this.dropTarget,\n          relatedTarget: dragEvent.target,\n          draggable: dragEvent.interactable,\n          dragEvent: dragEvent,\n          interaction: this,\n          dragmove: dragEvent,\n          timeStamp: dragEvent.timeStamp,\n          type: 'dropmove'\n        };\n        dragEvent.dropzone = this.dropTarget;\n      }\n\n      return dropEvents;\n    },\n\n    currentAction: function(){\n      return (this.dragging && 'drag') || (this.resizing && 'resize') || (this.gesturing && 'gesture') || null;\n    },\n\n    interacting: function(){\n      return this.dragging || this.resizing || this.gesturing;\n    },\n\n    clearTargets: function(){\n      this.target = this.element = null;\n\n      this.dropTarget = this.dropElement = this.prevDropTarget = this.prevDropElement = null;\n    },\n\n    stop: function(event){\n      if (this.interacting()){\n        autoScroll.stop();\n        this.matches = [];\n        this.matchElements = [];\n\n        var target = this.target;\n\n        if (target.options.styleCursor){\n          target._doc.documentElement.style.cursor = '';\n        }\n\n                // prevent Default only if were previously interacting\n        if (event && isFunction(event.preventDefault)){\n          this.checkAndPreventDefault(event, target, this.element);\n        }\n\n        if (this.dragging){\n          this.activeDrops.dropzones = this.activeDrops.elements = this.activeDrops.rects = null;\n        }\n      }\n\n      this.clearTargets();\n\n      this.pointerIsDown = this.snapStatus.locked = this.dragging = this.resizing = this.gesturing = false;\n      this.prepared.name = this.prevEvent = null;\n      this.inertiaStatus.resumeDx = this.inertiaStatus.resumeDy = 0;\n\n            // remove pointers if their ID isn't in this.pointerIds\n      for (var i = 0; i < this.pointers.length; i++){\n        if (indexOf(this.pointerIds, getPointerId(this.pointers[i])) === -1){\n          this.pointers.splice(i, 1);\n        }\n      }\n    },\n\n    inertiaFrame: function(){\n      var inertiaStatus = this.inertiaStatus,\n        options = this.target.options[this.prepared.name].inertia,\n        lambda = options.resistance,\n        t = new Date().getTime() / 1000 - inertiaStatus.t0;\n\n      if (t < inertiaStatus.te){\n        var progress = 1 - (Math.exp(-lambda * t) - inertiaStatus.lambda_v0) / inertiaStatus.one_ve_v0;\n\n        if (inertiaStatus.modifiedXe === inertiaStatus.xe && inertiaStatus.modifiedYe === inertiaStatus.ye){\n          inertiaStatus.sx = inertiaStatus.xe * progress;\n          inertiaStatus.sy = inertiaStatus.ye * progress;\n        }\n        else {\n          var quadPoint = getQuadraticCurvePoint(\n                            0, 0,\n                            inertiaStatus.xe, inertiaStatus.ye,\n                            inertiaStatus.modifiedXe, inertiaStatus.modifiedYe,\n                            progress);\n\n          inertiaStatus.sx = quadPoint.x;\n          inertiaStatus.sy = quadPoint.y;\n        }\n\n        this.pointerMove(inertiaStatus.startEvent, inertiaStatus.startEvent);\n\n        inertiaStatus.i = reqFrame(this.boundInertiaFrame);\n      }\n      else {\n        inertiaStatus.ending = true;\n\n        inertiaStatus.sx = inertiaStatus.modifiedXe;\n        inertiaStatus.sy = inertiaStatus.modifiedYe;\n\n        this.pointerMove(inertiaStatus.startEvent, inertiaStatus.startEvent);\n        this.pointerEnd(inertiaStatus.startEvent, inertiaStatus.startEvent);\n\n        inertiaStatus.active = inertiaStatus.ending = false;\n      }\n    },\n\n    smoothEndFrame: function(){\n      var inertiaStatus = this.inertiaStatus,\n        t = new Date().getTime() - inertiaStatus.t0,\n        duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n      if (t < duration){\n        inertiaStatus.sx = easeOutQuad(t, 0, inertiaStatus.xe, duration);\n        inertiaStatus.sy = easeOutQuad(t, 0, inertiaStatus.ye, duration);\n\n        this.pointerMove(inertiaStatus.startEvent, inertiaStatus.startEvent);\n\n        inertiaStatus.i = reqFrame(this.boundSmoothEndFrame);\n      }\n      else {\n        inertiaStatus.ending = true;\n\n        inertiaStatus.sx = inertiaStatus.xe;\n        inertiaStatus.sy = inertiaStatus.ye;\n\n        this.pointerMove(inertiaStatus.startEvent, inertiaStatus.startEvent);\n        this.pointerEnd(inertiaStatus.startEvent, inertiaStatus.startEvent);\n\n        inertiaStatus.smoothEnd =\n                  inertiaStatus.active = inertiaStatus.ending = false;\n      }\n    },\n\n    addPointer: function(pointer){\n      var id = getPointerId(pointer),\n        index = this.mouse ? 0 : indexOf(this.pointerIds, id);\n\n      if (index === -1){\n        index = this.pointerIds.length;\n      }\n\n      this.pointerIds[index] = id;\n      this.pointers[index] = pointer;\n\n      return index;\n    },\n\n    removePointer: function(pointer){\n      var id = getPointerId(pointer),\n        index = this.mouse ? 0 : indexOf(this.pointerIds, id);\n\n      if (index === -1){ return; }\n\n      this.pointers.splice(index, 1);\n      this.pointerIds.splice(index, 1);\n      this.downTargets.splice(index, 1);\n      this.downTimes.splice(index, 1);\n      this.holdTimers.splice(index, 1);\n    },\n\n    recordPointer: function(pointer){\n      var index = this.mouse ? 0 : indexOf(this.pointerIds, getPointerId(pointer));\n\n      if (index === -1){ return; }\n\n      this.pointers[index] = pointer;\n    },\n\n    collectEventTargets: function(pointer, event, eventTarget, eventType){\n      var pointerIndex = this.mouse ? 0 : indexOf(this.pointerIds, getPointerId(pointer));\n\n            // do not fire a tap event if the pointer was moved before being lifted\n      if (eventType === 'tap' && (this.pointerWasMoved\n                // or if the pointerup target is different to the pointerdown target\n                || !(this.downTargets[pointerIndex] && this.downTargets[pointerIndex] === eventTarget))){\n        return;\n      }\n\n      var targets = [],\n        elements = [],\n        element = eventTarget;\n\n      function collectSelectors(interactable, selector, context){\n        var els = ie8MatchesSelector\n                        ? context.querySelectorAll(selector)\n                        : undefined;\n\n        if (interactable._iEvents[eventType]\n                    && isElement(element)\n                    && inContext(interactable, element)\n                    && !testIgnore(interactable, element, eventTarget)\n                    && testAllow(interactable, element, eventTarget)\n                    && matchesSelector(element, selector, els)){\n          targets.push(interactable);\n          elements.push(element);\n        }\n      }\n\n      while (element){\n        if (interact.isSet(element) && interact(element)._iEvents[eventType]){\n          targets.push(interact(element));\n          elements.push(element);\n        }\n\n        interactables.forEachSelector(collectSelectors);\n\n        element = parentElement(element);\n      }\n\n            // create the tap event even if there are no listeners so that\n            // doubletap can still be created and fired\n      if (targets.length || eventType === 'tap'){\n        this.firePointers(pointer, event, eventTarget, targets, elements, eventType);\n      }\n    },\n\n    firePointers: function(pointer, event, eventTarget, targets, elements, eventType){\n      var pointerIndex = this.mouse ? 0 : indexOf(this.pointerIds, getPointerId(pointer)),\n        pointerEvent = {},\n        i,\n                // for tap events\n        interval, createNewDoubleTap;\n\n            // if it's a doubletap then the event properties would have been\n            // copied from the tap event and provided as the pointer argument\n      if (eventType === 'doubletap'){\n        pointerEvent = pointer;\n      }\n      else {\n        pointerExtend(pointerEvent, event);\n        if (event !== pointer){\n          pointerExtend(pointerEvent, pointer);\n        }\n\n        pointerEvent.preventDefault = preventOriginalDefault;\n        pointerEvent.stopPropagation = InteractEvent.prototype.stopPropagation;\n        pointerEvent.stopImmediatePropagation = InteractEvent.prototype.stopImmediatePropagation;\n        pointerEvent.interaction = this;\n\n        pointerEvent.timeStamp = new Date().getTime();\n        pointerEvent.originalEvent = event;\n        pointerEvent.originalPointer = pointer;\n        pointerEvent.type = eventType;\n        pointerEvent.pointerId = getPointerId(pointer);\n        pointerEvent.pointerType = this.mouse ? 'mouse' : !supportsPointerEvent ? 'touch'\n                                                    : isString(pointer.pointerType)\n                                                        ? pointer.pointerType\n                                                        : [,, 'touch', 'pen', 'mouse'][pointer.pointerType];\n      }\n\n      if (eventType === 'tap'){\n        pointerEvent.dt = pointerEvent.timeStamp - this.downTimes[pointerIndex];\n\n        interval = pointerEvent.timeStamp - this.tapTime;\n        createNewDoubleTap = !!(this.prevTap && this.prevTap.type !== 'doubletap'\n                       && this.prevTap.target === pointerEvent.target\n                       && interval < 500);\n\n        pointerEvent.double = createNewDoubleTap;\n\n        this.tapTime = pointerEvent.timeStamp;\n      }\n\n      for (i = 0; i < targets.length; i++){\n        pointerEvent.currentTarget = elements[i];\n        pointerEvent.interactable = targets[i];\n        targets[i].fire(pointerEvent);\n\n        if (pointerEvent.immediatePropagationStopped\n                    || (pointerEvent.propagationStopped && elements[i + 1] !== pointerEvent.currentTarget)){\n          break;\n        }\n      }\n\n      if (createNewDoubleTap){\n        var doubleTap = {};\n\n        extend(doubleTap, pointerEvent);\n\n        doubleTap.dt = interval;\n        doubleTap.type = 'doubletap';\n\n        this.collectEventTargets(doubleTap, event, eventTarget, 'doubletap');\n\n        this.prevTap = doubleTap;\n      }\n      else if (eventType === 'tap'){\n        this.prevTap = pointerEvent;\n      }\n    },\n\n    validateSelector: function(pointer, event, matches, matchElements){\n      for (var i = 0, len = matches.length; i < len; i++){\n        var match = matches[i],\n          matchElement = matchElements[i],\n          action = validateAction(match.getAction(pointer, event, this, matchElement), match);\n\n        if (action && withinInteractionLimit(match, matchElement, action)){\n          this.target = match;\n          this.element = matchElement;\n\n          return action;\n        }\n      }\n    },\n\n    setSnapping: function(pageCoords, status){\n      var snap = this.target.options[this.prepared.name].snap,\n        targets = [],\n        target,\n        page,\n        i;\n\n      status = status || this.snapStatus;\n\n      if (status.useStatusXY){\n        page = { x: status.x, y: status.y };\n      }\n      else {\n        var origin = getOriginXY(this.target, this.element);\n\n        page = extend({}, pageCoords);\n\n        page.x -= origin.x;\n        page.y -= origin.y;\n      }\n\n      status.realX = page.x;\n      status.realY = page.y;\n\n      page.x = page.x - this.inertiaStatus.resumeDx;\n      page.y = page.y - this.inertiaStatus.resumeDy;\n\n      var len = snap.targets ? snap.targets.length : 0;\n\n      for (var relIndex = 0; relIndex < this.snapOffsets.length; relIndex++){\n        var relative = {\n          x: page.x - this.snapOffsets[relIndex].x,\n          y: page.y - this.snapOffsets[relIndex].y\n        };\n\n        for (i = 0; i < len; i++){\n          if (isFunction(snap.targets[i])){\n            target = snap.targets[i](relative.x, relative.y, this);\n          }\n          else {\n            target = snap.targets[i];\n          }\n\n          if (!target){ continue; }\n\n          targets.push({\n            x: isNumber(target.x) ? (target.x + this.snapOffsets[relIndex].x) : relative.x,\n            y: isNumber(target.y) ? (target.y + this.snapOffsets[relIndex].y) : relative.y,\n\n            range: isNumber(target.range) ? target.range : snap.range\n          });\n        }\n      }\n\n      var closest = {\n        target: null,\n        inRange: false,\n        distance: 0,\n        range: 0,\n        dx: 0,\n        dy: 0\n      };\n\n      for (i = 0, len = targets.length; i < len; i++){\n        target = targets[i];\n\n        var range = target.range,\n          dx = target.x - page.x,\n          dy = target.y - page.y,\n          distance = hypot(dx, dy),\n          inRange = distance <= range;\n\n                // Infinite targets count as being out of range\n                // compared to non infinite ones that are in range\n        if (range === Infinity && closest.inRange && closest.range !== Infinity){\n          inRange = false;\n        }\n\n        if (!closest.target || (inRange\n                    // is the closest target in range?\n                    ? (closest.inRange && range !== Infinity\n                        // the pointer is relatively deeper in this target\n                        ? distance / range < closest.distance / closest.range\n                        // this target has Infinite range and the closest doesn't\n                        : (range === Infinity && closest.range !== Infinity)\n                            // OR this target is closer that the previous closest\n                            || distance < closest.distance)\n                    // The other is not in range and the pointer is closer to this target\n                    : (!closest.inRange && distance < closest.distance))){\n          if (range === Infinity){\n            inRange = true;\n          }\n\n          closest.target = target;\n          closest.distance = distance;\n          closest.range = range;\n          closest.inRange = inRange;\n          closest.dx = dx;\n          closest.dy = dy;\n\n          status.range = range;\n        }\n      }\n\n      var snapChanged;\n\n      if (closest.target){\n        snapChanged = (status.snappedX !== closest.target.x || status.snappedY !== closest.target.y);\n\n        status.snappedX = closest.target.x;\n        status.snappedY = closest.target.y;\n      }\n      else {\n        snapChanged = true;\n\n        status.snappedX = NaN;\n        status.snappedY = NaN;\n      }\n\n      status.dx = closest.dx;\n      status.dy = closest.dy;\n\n      status.changed = (snapChanged || (closest.inRange && !status.locked));\n      status.locked = closest.inRange;\n\n      return status;\n    },\n\n    setRestriction: function(pageCoords, status){\n      var target = this.target,\n        restrict = target && target.options[this.prepared.name].restrict,\n        restriction = restrict && restrict.restriction,\n        page;\n\n      if (!restriction){\n        return status;\n      }\n\n      status = status || this.restrictStatus;\n\n      page = status.useStatusXY\n                    ? page = { x: status.x, y: status.y }\n                    : page = extend({}, pageCoords);\n\n      if (status.snap && status.snap.locked){\n        page.x += status.snap.dx || 0;\n        page.y += status.snap.dy || 0;\n      }\n\n      page.x -= this.inertiaStatus.resumeDx;\n      page.y -= this.inertiaStatus.resumeDy;\n\n      status.dx = 0;\n      status.dy = 0;\n      status.restricted = false;\n\n      var rect, restrictedX, restrictedY;\n\n      if (isString(restriction)){\n        if (restriction === 'parent'){\n          restriction = parentElement(this.element);\n        }\n        else if (restriction === 'self'){\n          restriction = target.getRect(this.element);\n        }\n                else {\n          restriction = closest(this.element, restriction);\n        }\n\n        if (!restriction){ return status; }\n      }\n\n      if (isFunction(restriction)){\n        restriction = restriction(page.x, page.y, this.element);\n      }\n\n      if (isElement(restriction)){\n        restriction = getElementRect(restriction);\n      }\n\n      rect = restriction;\n\n      if (!restriction){\n        restrictedX = page.x;\n        restrictedY = page.y;\n      }\n            // object is assumed to have\n            // x, y, width, height or\n            // left, top, right, bottom\n      else if ('x' in restriction && 'y' in restriction){\n        restrictedX = Math.max(Math.min(rect.x + rect.width - this.restrictOffset.right, page.x), rect.x + this.restrictOffset.left);\n        restrictedY = Math.max(Math.min(rect.y + rect.height - this.restrictOffset.bottom, page.y), rect.y + this.restrictOffset.top);\n      }\n            else {\n        restrictedX = Math.max(Math.min(rect.right - this.restrictOffset.right, page.x), rect.left + this.restrictOffset.left);\n        restrictedY = Math.max(Math.min(rect.bottom - this.restrictOffset.bottom, page.y), rect.top + this.restrictOffset.top);\n      }\n\n      status.dx = restrictedX - page.x;\n      status.dy = restrictedY - page.y;\n\n      status.changed = status.restrictedX !== restrictedX || status.restrictedY !== restrictedY;\n      status.restricted = !!(status.dx || status.dy);\n\n      status.restrictedX = restrictedX;\n      status.restrictedY = restrictedY;\n\n      return status;\n    },\n\n    checkAndPreventDefault: function(event, interactable, element){\n      if (!(interactable = interactable || this.target)){ return; }\n\n      var options = interactable.options,\n        prevent = options.preventDefault;\n\n      if (prevent === 'auto' && element && !/^(input|select|textarea)$/i.test(event.target.nodeName)){\n                // do not preventDefault on pointerdown if the prepared action is a drag\n                // and dragging can only start from a certain direction - this allows\n                // a touch to pan the viewport if a drag isn't in the right direction\n        if (/down|start/i.test(event.type)\n                    && this.prepared.name === 'drag' && options.drag.axis !== 'xy'){\n          return;\n        }\n\n                // with manualStart, only preventDefault while interacting\n        if (options[this.prepared.name] && options[this.prepared.name].manualStart\n                    && !this.interacting()){\n          return;\n        }\n\n        event.preventDefault();\n        return;\n      }\n\n      if (prevent === 'always'){\n        event.preventDefault();\n        return;\n      }\n    },\n\n    calcInertia: function(status){\n      var inertiaOptions = this.target.options[this.prepared.name].inertia,\n        lambda = inertiaOptions.resistance,\n        inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n      status.x0 = this.prevEvent.pageX;\n      status.y0 = this.prevEvent.pageY;\n      status.t0 = status.startEvent.timeStamp / 1000;\n      status.sx = status.sy = 0;\n\n      status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n      status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n      status.te = inertiaDur;\n\n      status.lambda_v0 = lambda / status.v0;\n      status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n    },\n\n    autoScrollMove: function(pointer){\n      if (!(this.interacting()\n                && checkAutoScroll(this.target, this.prepared.name))){\n        return;\n      }\n\n      if (this.inertiaStatus.active){\n        autoScroll.x = autoScroll.y = 0;\n        return;\n      }\n\n      var top,\n        right,\n        bottom,\n        left,\n        options = this.target.options[this.prepared.name].autoScroll,\n        container = options.container || getWindow(this.element);\n\n      if (isWindow(container)){\n        left = pointer.clientX < autoScroll.margin;\n        top = pointer.clientY < autoScroll.margin;\n        right = pointer.clientX > container.innerWidth - autoScroll.margin;\n        bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n      }\n      else {\n        var rect = getElementClientRect(container);\n\n        left = pointer.clientX < rect.left + autoScroll.margin;\n        top = pointer.clientY < rect.top + autoScroll.margin;\n        right = pointer.clientX > rect.right - autoScroll.margin;\n        bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n      }\n\n      autoScroll.x = (right ? 1 : left ? -1 : 0);\n      autoScroll.y = (bottom ? 1 : top ? -1 : 0);\n\n      if (!autoScroll.isScrolling){\n                // set the autoScroll properties to those of the target\n        autoScroll.margin = options.margin;\n        autoScroll.speed = options.speed;\n\n        autoScroll.start(this);\n      }\n    },\n\n    _updateEventTargets: function(target, currentTarget){\n      this._eventTarget = target;\n      this._curEventTarget = currentTarget;\n    }\n\n  };\n\n  function getInteractionFromPointer(pointer, eventType, eventTarget){\n    var i = 0, len = interactions.length,\n      mouseEvent = (/mouse/i.test(pointer.pointerType || eventType)\n                          // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n                          || pointer.pointerType === 4),\n      interaction;\n\n    var id = getPointerId(pointer);\n\n        // try to resume inertia with a new pointer\n    if (/down|start/i.test(eventType)){\n      for (i = 0; i < len; i++){\n        interaction = interactions[i];\n\n        var element = eventTarget;\n\n        if (interaction.inertiaStatus.active && interaction.target.options[interaction.prepared.name].inertia.allowResume\n                    && (interaction.mouse === mouseEvent)){\n          while (element){\n                        // if the element is the interaction element\n            if (element === interaction.element){\n              return interaction;\n            }\n            element = parentElement(element);\n          }\n        }\n      }\n    }\n\n        // if it's a mouse interaction\n    if (mouseEvent || !supportsTouch || supportsPointerEvent){\n            // find a mouse interaction that's not in inertia phase\n      for (i = 0; i < len; i++){\n        if (interactions[i].mouse && !interactions[i].inertiaStatus.active){\n          return interactions[i];\n        }\n      }\n\n            // find any interaction specifically for mouse.\n            // if the eventType is a mousedown, and inertia is active\n            // ignore the interaction\n      for (i = 0; i < len; i++){\n        if (interactions[i].mouse && !(/down/.test(eventType) && interactions[i].inertiaStatus.active)){\n          return interaction;\n        }\n      }\n\n            // create a new interaction for mouse\n      interaction = new Interaction();\n      interaction.mouse = true;\n\n      return interaction;\n    }\n\n        // get interaction that has this pointer\n    for (i = 0; i < len; i++){\n      if (contains(interactions[i].pointerIds, id)){\n        return interactions[i];\n      }\n    }\n\n        // at this stage, a pointerUp should not return an interaction\n    if (/up|end|out/i.test(eventType)){\n      return null;\n    }\n\n        // get first idle interaction\n    for (i = 0; i < len; i++){\n      interaction = interactions[i];\n\n      if ((!interaction.prepared.name || (interaction.target.options.gesture.enabled))\n                && !interaction.interacting()\n                && !(!mouseEvent && interaction.mouse)){\n        return interaction;\n      }\n    }\n\n    return new Interaction();\n  }\n\n  function doOnInteractions(method){\n    return (function(event){\n      var interaction,\n        eventTarget = getActualElement(event.path\n                                               ? event.path[0]\n                                               : event.target),\n        curEventTarget = getActualElement(event.currentTarget),\n        i;\n\n      if (supportsTouch && /touch/.test(event.type)){\n        prevTouchTime = new Date().getTime();\n\n        for (i = 0; i < event.changedTouches.length; i++){\n          var pointer = event.changedTouches[i];\n\n          interaction = getInteractionFromPointer(pointer, event.type, eventTarget);\n\n          if (!interaction){ continue; }\n\n          interaction._updateEventTargets(eventTarget, curEventTarget);\n\n          interaction[method](pointer, event, eventTarget, curEventTarget);\n        }\n      }\n      else {\n        if (!supportsPointerEvent && /mouse/.test(event.type)){\n                    // ignore mouse events while touch interactions are active\n          for (i = 0; i < interactions.length; i++){\n            if (!interactions[i].mouse && interactions[i].pointerIsDown){\n              return;\n            }\n          }\n\n                    // try to ignore mouse events that are simulated by the browser\n                    // after a touch event\n          if (new Date().getTime() - prevTouchTime < 500){\n            return;\n          }\n        }\n\n        interaction = getInteractionFromPointer(event, event.type, eventTarget);\n\n        if (!interaction){ return; }\n\n        interaction._updateEventTargets(eventTarget, curEventTarget);\n\n        interaction[method](event, event, eventTarget, curEventTarget);\n      }\n    });\n  }\n\n  function InteractEvent(interaction, event, action, phase, element, related){\n    var client,\n      page,\n      target = interaction.target,\n      snapStatus = interaction.snapStatus,\n      restrictStatus = interaction.restrictStatus,\n      pointers = interaction.pointers,\n      deltaSource = (target && target.options || defaultOptions).deltaSource,\n      sourceX = deltaSource + 'X',\n      sourceY = deltaSource + 'Y',\n      options = target ? target.options : defaultOptions,\n      origin = getOriginXY(target, element),\n      starting = phase === 'start',\n      ending = phase === 'end',\n      coords = starting ? interaction.startCoords : interaction.curCoords;\n\n    element = element || interaction.element;\n\n    page = extend({}, coords.page);\n    client = extend({}, coords.client);\n\n    page.x -= origin.x;\n    page.y -= origin.y;\n\n    client.x -= origin.x;\n    client.y -= origin.y;\n\n    var relativePoints = options[action].snap && options[action].snap.relativePoints;\n\n    if (checkSnap(target, action) && !(starting && relativePoints && relativePoints.length)){\n      this.snap = {\n        range: snapStatus.range,\n        locked: snapStatus.locked,\n        x: snapStatus.snappedX,\n        y: snapStatus.snappedY,\n        realX: snapStatus.realX,\n        realY: snapStatus.realY,\n        dx: snapStatus.dx,\n        dy: snapStatus.dy\n      };\n\n      if (snapStatus.locked){\n        page.x += snapStatus.dx;\n        page.y += snapStatus.dy;\n        client.x += snapStatus.dx;\n        client.y += snapStatus.dy;\n      }\n    }\n\n    if (checkRestrict(target, action) && !(starting && options[action].restrict.elementRect) && restrictStatus.restricted){\n      page.x += restrictStatus.dx;\n      page.y += restrictStatus.dy;\n      client.x += restrictStatus.dx;\n      client.y += restrictStatus.dy;\n\n      this.restrict = {\n        dx: restrictStatus.dx,\n        dy: restrictStatus.dy\n      };\n    }\n\n    this.pageX = page.x;\n    this.pageY = page.y;\n    this.clientX = client.x;\n    this.clientY = client.y;\n\n    this.x0 = interaction.startCoords.page.x - origin.x;\n    this.y0 = interaction.startCoords.page.y - origin.y;\n    this.clientX0 = interaction.startCoords.client.x - origin.x;\n    this.clientY0 = interaction.startCoords.client.y - origin.y;\n    this.ctrlKey = event.ctrlKey;\n    this.altKey = event.altKey;\n    this.shiftKey = event.shiftKey;\n    this.metaKey = event.metaKey;\n    this.button = event.button;\n    this.buttons = event.buttons;\n    this.target = element;\n    this.t0 = interaction.downTimes[0];\n    this.type = action + (phase || '');\n\n    this.interaction = interaction;\n    this.interactable = target;\n\n    var inertiaStatus = interaction.inertiaStatus;\n\n    if (inertiaStatus.active){\n      this.detail = 'inertia';\n    }\n\n    if (related){\n      this.relatedTarget = related;\n    }\n\n        // end event dx, dy is difference between start and end points\n    if (ending){\n      if (deltaSource === 'client'){\n        this.dx = client.x - interaction.startCoords.client.x;\n        this.dy = client.y - interaction.startCoords.client.y;\n      }\n      else {\n        this.dx = page.x - interaction.startCoords.page.x;\n        this.dy = page.y - interaction.startCoords.page.y;\n      }\n    }\n    else if (starting){\n      this.dx = 0;\n      this.dy = 0;\n    }\n        // copy properties from previousmove if starting inertia\n        else if (phase === 'inertiastart'){\n          this.dx = interaction.prevEvent.dx;\n          this.dy = interaction.prevEvent.dy;\n        }\n        else {\n          if (deltaSource === 'client'){\n            this.dx = client.x - interaction.prevEvent.clientX;\n            this.dy = client.y - interaction.prevEvent.clientY;\n          }\n          else {\n            this.dx = page.x - interaction.prevEvent.pageX;\n            this.dy = page.y - interaction.prevEvent.pageY;\n          }\n        }\n    if (interaction.prevEvent && interaction.prevEvent.detail === 'inertia'\n            && !inertiaStatus.active\n            && options[action].inertia && options[action].inertia.zeroResumeDelta){\n      inertiaStatus.resumeDx += this.dx;\n      inertiaStatus.resumeDy += this.dy;\n\n      this.dx = this.dy = 0;\n    }\n\n    if (action === 'resize' && interaction.resizeAxes){\n      if (options.resize.square){\n        if (interaction.resizeAxes === 'y'){\n          this.dx = this.dy;\n        }\n        else {\n          this.dy = this.dx;\n        }\n        this.axes = 'xy';\n      }\n      else {\n        this.axes = interaction.resizeAxes;\n\n        if (interaction.resizeAxes === 'x'){\n          this.dy = 0;\n        }\n        else if (interaction.resizeAxes === 'y'){\n          this.dx = 0;\n        }\n      }\n    }\n    else if (action === 'gesture'){\n      this.touches = [pointers[0], pointers[1]];\n\n      if (starting){\n        this.distance = touchDistance(pointers, deltaSource);\n        this.box = touchBBox(pointers);\n        this.scale = 1;\n        this.ds = 0;\n        this.angle = touchAngle(pointers, undefined, deltaSource);\n        this.da = 0;\n      }\n      else if (ending || event instanceof InteractEvent){\n        this.distance = interaction.prevEvent.distance;\n        this.box = interaction.prevEvent.box;\n        this.scale = interaction.prevEvent.scale;\n        this.ds = this.scale - 1;\n        this.angle = interaction.prevEvent.angle;\n        this.da = this.angle - interaction.gesture.startAngle;\n      }\n            else {\n        this.distance = touchDistance(pointers, deltaSource);\n        this.box = touchBBox(pointers);\n        this.scale = this.distance / interaction.gesture.startDistance;\n        this.angle = touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n        this.ds = this.scale - interaction.gesture.prevScale;\n        this.da = this.angle - interaction.gesture.prevAngle;\n      }\n    }\n\n    if (starting){\n      this.timeStamp = interaction.downTimes[0];\n      this.dt = 0;\n      this.duration = 0;\n      this.speed = 0;\n      this.velocityX = 0;\n      this.velocityY = 0;\n    }\n    else if (phase === 'inertiastart'){\n      this.timeStamp = interaction.prevEvent.timeStamp;\n      this.dt = interaction.prevEvent.dt;\n      this.duration = interaction.prevEvent.duration;\n      this.speed = interaction.prevEvent.speed;\n      this.velocityX = interaction.prevEvent.velocityX;\n      this.velocityY = interaction.prevEvent.velocityY;\n    }\n        else {\n      this.timeStamp = new Date().getTime();\n      this.dt = this.timeStamp - interaction.prevEvent.timeStamp;\n      this.duration = this.timeStamp - interaction.downTimes[0];\n\n      if (event instanceof InteractEvent){\n        var dx = this[sourceX] - interaction.prevEvent[sourceX],\n          dy = this[sourceY] - interaction.prevEvent[sourceY],\n          dt = this.dt / 1000;\n\n        this.speed = hypot(dx, dy) / dt;\n        this.velocityX = dx / dt;\n        this.velocityY = dy / dt;\n      }\n            // if normal move or end event, use previous user event coords\n      else {\n                // speed and velocity in pixels per second\n        this.speed = interaction.pointerDelta[deltaSource].speed;\n        this.velocityX = interaction.pointerDelta[deltaSource].vx;\n        this.velocityY = interaction.pointerDelta[deltaSource].vy;\n      }\n    }\n\n    if ((ending || phase === 'inertiastart')\n            && interaction.prevEvent.speed > 600 && this.timeStamp - interaction.prevEvent.timeStamp < 150){\n      var angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI,\n        overlap = 22.5;\n\n      if (angle < 0){\n        angle += 360;\n      }\n\n      var left = 135 - overlap <= angle && angle < 225 + overlap,\n        up = 225 - overlap <= angle && angle < 315 + overlap,\n\n        right = !left && (315 - overlap <= angle || angle < 45 + overlap),\n        down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n      this.swipe = {\n        up: up,\n        down: down,\n        left: left,\n        right: right,\n        angle: angle,\n        speed: interaction.prevEvent.speed,\n        velocity: {\n          x: interaction.prevEvent.velocityX,\n          y: interaction.prevEvent.velocityY\n        }\n      };\n    }\n  }\n\n  InteractEvent.prototype = {\n    preventDefault: blank,\n    stopImmediatePropagation: function(){\n      this.immediatePropagationStopped = this.propagationStopped = true;\n    },\n    stopPropagation: function(){\n      this.propagationStopped = true;\n    }\n  };\n\n  function preventOriginalDefault(){\n    this.originalEvent.preventDefault();\n  }\n\n  function getActionCursor(action){\n    var cursor = '';\n\n    if (action.name === 'drag'){\n      cursor = actionCursors.drag;\n    }\n    if (action.name === 'resize'){\n      if (action.axis){\n        cursor = actionCursors[action.name + action.axis];\n      }\n      else if (action.edges){\n        var cursorKey = 'resize',\n          edgeNames = ['top', 'bottom', 'left', 'right'];\n\n        for (var i = 0; i < 4; i++){\n          if (action.edges[edgeNames[i]]){\n            cursorKey += edgeNames[i];\n          }\n        }\n\n        cursor = actionCursors[cursorKey];\n      }\n    }\n\n    return cursor;\n  }\n\n  function checkResizeEdge(name, value, page, element, interactableElement, rect, margin){\n        // false, '', undefined, null\n    if (!value){ return false; }\n\n        // true value, use pointer coords and element rect\n    if (value === true){\n            // if dimensions are negative, \"switch\" edges\n      var width = isNumber(rect.width) ? rect.width : rect.right - rect.left,\n        height = isNumber(rect.height) ? rect.height : rect.bottom - rect.top;\n\n      if (width < 0){\n        if (name === 'left'){ name = 'right'; }\n        else if (name === 'right'){ name = 'left'; }\n      }\n      if (height < 0){\n        if (name === 'top'){ name = 'bottom'; }\n        else if (name === 'bottom'){ name = 'top'; }\n      }\n\n      if (name === 'left'){ return page.x < ((width >= 0 ? rect.left : rect.right) + margin); }\n      if (name === 'top'){ return page.y < ((height >= 0 ? rect.top : rect.bottom) + margin); }\n\n      if (name === 'right'){ return page.x > ((width >= 0 ? rect.right : rect.left) - margin); }\n      if (name === 'bottom'){ return page.y > ((height >= 0 ? rect.bottom : rect.top) - margin); }\n    }\n\n        // the remaining checks require an element\n    if (!isElement(element)){ return false; }\n\n    return isElement(value)\n                    // the value is an element to use as a resize handle\n                    ? value === element\n                    // otherwise check if element matches value as selector\n                    : matchesUpTo(element, value, interactableElement);\n  }\n\n  function defaultActionChecker(pointer, interaction, element){\n    var rect = this.getRect(element),\n      shouldResize = false,\n      action = null,\n      resizeAxes = null,\n      resizeEdges,\n      page = extend({}, interaction.curCoords.page),\n      options = this.options;\n\n    if (!rect){ return null; }\n\n    if (actionIsEnabled.resize && options.resize.enabled){\n      var resizeOptions = options.resize;\n\n      resizeEdges = {\n        left: false, right: false, top: false, bottom: false\n      };\n\n            // if using resize.edges\n      if (isObject(resizeOptions.edges)){\n        for (var edge in resizeEdges){\n          resizeEdges[edge] = checkResizeEdge(edge,\n                                                        resizeOptions.edges[edge],\n                                                        page,\n                                                        interaction._eventTarget,\n                                                        element,\n                                                        rect,\n                                                        resizeOptions.margin || margin);\n        }\n\n        resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n        resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n        shouldResize = resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom;\n      }\n      else {\n        var right = options.resize.axis !== 'y' && page.x > (rect.right - margin),\n          bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - margin);\n\n        shouldResize = right || bottom;\n        resizeAxes = (right ? 'x' : '') + (bottom ? 'y' : '');\n      }\n    }\n\n    action = shouldResize\n            ? 'resize'\n            : actionIsEnabled.drag && options.drag.enabled\n                ? 'drag'\n                : null;\n\n    if (actionIsEnabled.gesture\n            && interaction.pointerIds.length >= 2\n            && !(interaction.dragging || interaction.resizing)){\n      action = 'gesture';\n    }\n\n    if (action){\n      return {\n        name: action,\n        axis: resizeAxes,\n        edges: resizeEdges\n      };\n    }\n\n    return null;\n  }\n\n    // Check if action is enabled globally and the current target supports it\n    // If so, return the validated action. Otherwise, return null\n  function validateAction(action, interactable){\n    if (!isObject(action)){ return null; }\n\n    var actionName = action.name,\n      options = interactable.options;\n\n    if (((actionName === 'resize' && options.resize.enabled)\n            || (actionName === 'drag' && options.drag.enabled)\n            || (actionName === 'gesture' && options.gesture.enabled))\n            && actionIsEnabled[actionName]){\n      if (actionName === 'resize' || actionName === 'resizeyx'){\n        actionName = 'resizexy';\n      }\n\n      return action;\n    }\n    return null;\n  }\n\n  var listeners = {},\n    interactionListeners = [\n      'dragStart', 'dragMove', 'resizeStart', 'resizeMove', 'gestureStart', 'gestureMove',\n      'pointerOver', 'pointerOut', 'pointerHover', 'selectorDown',\n      'pointerDown', 'pointerMove', 'pointerUp', 'pointerCancel', 'pointerEnd',\n      'addPointer', 'removePointer', 'recordPointer', 'autoScrollMove'\n    ];\n\n  for (var i = 0, len = interactionListeners.length; i < len; i++){\n    var name = interactionListeners[i];\n\n    listeners[name] = doOnInteractions(name);\n  }\n\n    // bound to the interactable context when a DOM event\n    // listener is added to a selector interactable\n  function delegateListener(event, useCapture){\n    var fakeEvent = {},\n      delegated = delegatedEvents[event.type],\n      eventTarget = getActualElement(event.path\n                                           ? event.path[0]\n                                           : event.target),\n      element = eventTarget;\n\n    useCapture = useCapture ? true : false;\n\n        // duplicate the event so that currentTarget can be changed\n    for (var prop in event){\n      fakeEvent[prop] = event[prop];\n    }\n\n    fakeEvent.originalEvent = event;\n    fakeEvent.preventDefault = preventOriginalDefault;\n\n        // climb up document tree looking for selector matches\n    while (isElement(element)){\n      for (var i = 0; i < delegated.selectors.length; i++){\n        var selector = delegated.selectors[i],\n          context = delegated.contexts[i];\n\n        if (matchesSelector(element, selector)\n                    && nodeContains(context, eventTarget)\n                    && nodeContains(context, element)){\n          var listeners = delegated.listeners[i];\n\n          fakeEvent.currentTarget = element;\n\n          for (var j = 0; j < listeners.length; j++){\n            if (listeners[j][1] === useCapture){\n              listeners[j][0](fakeEvent);\n            }\n          }\n        }\n      }\n\n      element = parentElement(element);\n    }\n  }\n\n  function delegateUseCapture(event){\n    return delegateListener.call(this, event, true);\n  }\n\n  interactables.indexOfElement = function indexOfElement(element, context){\n    context = context || document;\n\n    for (var i = 0; i < this.length; i++){\n      var interactable = this[i];\n\n      if ((interactable.selector === element\n                && (interactable._context === context))\n                || (!interactable.selector && interactable._element === element)){\n        return i;\n      }\n    }\n    return -1;\n  };\n\n  interactables.get = function interactableGet(element, options){\n    return this[this.indexOfElement(element, options && options.context)];\n  };\n\n  interactables.forEachSelector = function(callback){\n    for (var i = 0; i < this.length; i++){\n      var interactable = this[i];\n\n      if (!interactable.selector){\n        continue;\n      }\n\n      var ret = callback(interactable, interactable.selector, interactable._context, i, this);\n\n      if (ret !== undefined){\n        return ret;\n      }\n    }\n  };\n\n    /* \\\n     * interact\n     [ method ]\n     *\n     * The methods of this variable can be used to set elements as\n     * interactables and also to change various default settings.\n     *\n     * Calling it as a function and passing an element or a valid CSS selector\n     * string returns an Interactable object which has various methods to\n     * configure it.\n     *\n     - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n     = (object) An @Interactable\n     *\n     > Usage\n     | interact(document.getElementById('draggable')).draggable(true);\n     |\n     | var rectables = interact('rect');\n     | rectables\n     |     .gesturable(true)\n     |     .on('gesturemove', function (event) {\n     |         // something cool...\n     |     })\n     |     .autoScroll(true);\n    \\*/\n  function interact(element, options){\n    return interactables.get(element, options) || new Interactable(element, options);\n  }\n\n    /* \\\n     * Interactable\n     [ property ]\n     **\n     * Object type returned by @interact\n    \\*/\n  function Interactable(element, options){\n    this._element = element;\n    this._iEvents = this._iEvents || {};\n\n    var _window;\n\n    if (trySelector(element)){\n      this.selector = element;\n\n      var context = options && options.context;\n\n      _window = context ? getWindow(context) : window;\n\n      if (context && (_window.Node\n                    ? context instanceof _window.Node\n                    : (isElement(context) || context === _window.document))){\n        this._context = context;\n      }\n    }\n    else {\n      _window = getWindow(element);\n\n      if (isElement(element, _window)){\n        if (supportsPointerEvent){\n          events.add(this._element, pEventTypes.down, listeners.pointerDown);\n          events.add(this._element, pEventTypes.move, listeners.pointerHover);\n        }\n        else {\n          events.add(this._element, 'mousedown', listeners.pointerDown);\n          events.add(this._element, 'mousemove', listeners.pointerHover);\n          events.add(this._element, 'touchstart', listeners.pointerDown);\n          events.add(this._element, 'touchmove', listeners.pointerHover);\n        }\n      }\n    }\n\n    this._doc = _window.document;\n\n    if (!contains(documents, this._doc)){\n      listenToDocument(this._doc);\n    }\n\n    interactables.push(this);\n\n    this.set(options);\n  }\n\n  Interactable.prototype = {\n    setOnEvents: function(action, phases){\n      if (action === 'drop'){\n        if (isFunction(phases.ondrop)){ this.ondrop = phases.ondrop; }\n        if (isFunction(phases.ondropactivate)){ this.ondropactivate = phases.ondropactivate; }\n        if (isFunction(phases.ondropdeactivate)){ this.ondropdeactivate = phases.ondropdeactivate; }\n        if (isFunction(phases.ondragenter)){ this.ondragenter = phases.ondragenter; }\n        if (isFunction(phases.ondragleave)){ this.ondragleave = phases.ondragleave; }\n        if (isFunction(phases.ondropmove)){ this.ondropmove = phases.ondropmove; }\n      }\n      else {\n        action = 'on' + action;\n\n        if (isFunction(phases.onstart)){ this[action + 'start' ] = phases.onstart; }\n        if (isFunction(phases.onmove)){ this[action + 'move' ] = phases.onmove; }\n        if (isFunction(phases.onend)){ this[action + 'end' ] = phases.onend; }\n        if (isFunction(phases.oninertiastart)){ this[action + 'inertiastart' ] = phases.oninertiastart; }\n      }\n\n      return this;\n    },\n\n        /* \\\n         * Interactable.draggable\n         [ method ]\n         *\n         * Gets or sets whether drag actions can be performed on the\n         * Interactable\n         *\n         = (boolean) Indicates if this can be the target of drag events\n         | var isDraggable = interact('ul li').draggable();\n         * or\n         - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n         = (object) This Interactable\n         | interact(element).draggable({\n         |     onstart: function (event) {},\n         |     onmove : function (event) {},\n         |     onend  : function (event) {},\n         |\n         |     // the axis in which the first movement must be\n         |     // for the drag sequence to start\n         |     // 'xy' by default - any direction\n         |     axis: 'x' || 'y' || 'xy',\n         |\n         |     // max number of drags that can happen concurrently\n         |     // with elements of this Interactable. Infinity by default\n         |     max: Infinity,\n         |\n         |     // max number of drags that can target the same element+Interactable\n         |     // 1 by default\n         |     maxPerElement: 2\n         | });\n        \\*/\n    draggable: function(options){\n      if (isObject(options)){\n        this.options.drag.enabled = options.enabled === false ? false : true;\n        this.setPerAction('drag', options);\n        this.setOnEvents('drag', options);\n\n        if (/^x$|^y$|^xy$/.test(options.axis)){\n          this.options.drag.axis = options.axis;\n        }\n        else if (options.axis === null){\n          delete this.options.drag.axis;\n        }\n\n        return this;\n      }\n\n      if (isBool(options)){\n        this.options.drag.enabled = options;\n\n        return this;\n      }\n\n      return this.options.drag;\n    },\n\n    setPerAction: function(action, options){\n            // for all the default per-action options\n      for (var option in options){\n                // if this option exists for this action\n        if (option in defaultOptions[action]){\n                    // if the option in the options arg is an object value\n          if (isObject(options[option])){\n                        // duplicate the object\n            this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n            if (isObject(defaultOptions.perAction[option]) && 'enabled' in defaultOptions.perAction[option]){\n              this.options[action][option].enabled = options[option].enabled === false ? false : true;\n            }\n          }\n          else if (isBool(options[option]) && isObject(defaultOptions.perAction[option])){\n            this.options[action][option].enabled = options[option];\n          }\n                    else if (options[option] !== undefined){\n                        // or if it's not undefined, do a plain assignment\n                      this.options[action][option] = options[option];\n                    }\n        }\n      }\n    },\n\n        /* \\\n         * Interactable.dropzone\n         [ method ]\n         *\n         * Returns or sets whether elements can be dropped onto this\n         * Interactable to trigger drop events\n         *\n         * Dropzones can receive the following events:\n         *  - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n         *  - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n         *  - `dragmove` when a draggable that has entered the dropzone is moved\n         *  - `drop` when a draggable is dropped into this dropzone\n         *\n         *  Use the `accept` option to allow only elements that match the given CSS selector or element.\n         *\n         *  Use the `overlap` option to set how drops are checked for. The allowed values are:\n         *   - `'pointer'`, the pointer must be over the dropzone (default)\n         *   - `'center'`, the draggable element's center must be over the dropzone\n         *   - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n         *       e.g. `0.5` for drop to happen when half of the area of the\n         *       draggable is over the dropzone\n         *\n         - options (boolean | object | null) #optional The new value to be set.\n         | interact('.drop').dropzone({\n         |   accept: '.can-drop' || document.getElementById('single-drop'),\n         |   overlap: 'pointer' || 'center' || zeroToOne\n         | }\n         = (boolean | object) The current setting or this Interactable\n        \\*/\n    dropzone: function(options){\n      if (isObject(options)){\n        this.options.drop.enabled = options.enabled === false ? false : true;\n        this.setOnEvents('drop', options);\n\n        if (/^(pointer|center)$/.test(options.overlap)){\n          this.options.drop.overlap = options.overlap;\n        }\n        else if (isNumber(options.overlap)){\n          this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n        }\n        if ('accept' in options){\n          this.options.drop.accept = options.accept;\n        }\n        if ('checker' in options){\n          this.options.drop.checker = options.checker;\n        }\n\n        return this;\n      }\n\n      if (isBool(options)){\n        this.options.drop.enabled = options;\n\n        return this;\n      }\n\n      return this.options.drop;\n    },\n\n    dropCheck: function(dragEvent, event, draggable, draggableElement, dropElement, rect){\n      var dropped = false;\n\n            // if the dropzone has no rect (eg. display: none)\n            // call the custom dropChecker or just return false\n      if (!(rect = rect || this.getRect(dropElement))){\n        return (this.options.drop.checker\n                    ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n                    : false);\n      }\n\n      var dropOverlap = this.options.drop.overlap;\n\n      if (dropOverlap === 'pointer'){\n        var page = getPageXY(dragEvent),\n          origin = getOriginXY(draggable, draggableElement),\n          horizontal,\n          vertical;\n\n        page.x += origin.x;\n        page.y += origin.y;\n\n        horizontal = (page.x > rect.left) && (page.x < rect.right);\n        vertical = (page.y > rect.top) && (page.y < rect.bottom);\n\n        dropped = horizontal && vertical;\n      }\n\n      var dragRect = draggable.getRect(draggableElement);\n\n      if (dropOverlap === 'center'){\n        var cx = dragRect.left + dragRect.width / 2,\n          cy = dragRect.top + dragRect.height / 2;\n\n        dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n      }\n\n      if (isNumber(dropOverlap)){\n        var overlapArea = (Math.max(0, Math.min(rect.right, dragRect.right) - Math.max(rect.left, dragRect.left))\n                                  * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top, dragRect.top))),\n          overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n        dropped = overlapRatio >= dropOverlap;\n      }\n\n      if (this.options.drop.checker){\n        dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n      }\n\n      return dropped;\n    },\n\n        /* \\\n         * Interactable.dropChecker\n         [ method ]\n         *\n         * DEPRECATED. Use interactable.dropzone({ checker: function... }) instead.\n         *\n         * Gets or sets the function used to check if a dragged element is\n         * over this Interactable.\n         *\n         - checker (function) #optional The function that will be called when checking for a drop\n         = (Function | Interactable) The checker function or this Interactable\n         *\n         * The checker function takes the following arguments:\n         *\n         - dragEvent (InteractEvent) The related dragmove or dragend event\n         - event (TouchEvent | PointerEvent | MouseEvent) The user move/up/end Event related to the dragEvent\n         - dropped (boolean) The value from the default drop checker\n         - dropzone (Interactable) The dropzone interactable\n         - dropElement (Element) The dropzone element\n         - draggable (Interactable) The Interactable being dragged\n         - draggableElement (Element) The actual element that's being dragged\n         *\n         > Usage:\n         | interact(target)\n         | .dropChecker(function(dragEvent,         // related dragmove or dragend event\n         |                       event,             // TouchEvent/PointerEvent/MouseEvent\n         |                       dropped,           // bool result of the default checker\n         |                       dropzone,          // dropzone Interactable\n         |                       dropElement,       // dropzone elemnt\n         |                       draggable,         // draggable Interactable\n         |                       draggableElement) {// draggable element\n         |\n         |   return dropped && event.target.hasAttribute('allow-drop');\n         | }\n        \\*/\n    dropChecker: function(checker){\n      if (isFunction(checker)){\n        this.options.drop.checker = checker;\n\n        return this;\n      }\n      if (checker === null){\n        delete this.options.getRect;\n\n        return this;\n      }\n\n      return this.options.drop.checker;\n    },\n\n        /* \\\n         * Interactable.accept\n         [ method ]\n         *\n         * Deprecated. add an `accept` property to the options object passed to\n         * @Interactable.dropzone instead.\n         *\n         * Gets or sets the Element or CSS selector match that this\n         * Interactable accepts if it is a dropzone.\n         *\n         - newValue (Element | string | null) #optional\n         * If it is an Element, then only that element can be dropped into this dropzone.\n         * If it is a string, the element being dragged must match it as a selector.\n         * If it is null, the accept options is cleared - it accepts any element.\n         *\n         = (string | Element | null | Interactable) The current accept option if given `undefined` or this Interactable\n        \\*/\n    accept: function(newValue){\n      if (isElement(newValue)){\n        this.options.drop.accept = newValue;\n\n        return this;\n      }\n\n            // test if it is a valid CSS selector\n      if (trySelector(newValue)){\n        this.options.drop.accept = newValue;\n\n        return this;\n      }\n\n      if (newValue === null){\n        delete this.options.drop.accept;\n\n        return this;\n      }\n\n      return this.options.drop.accept;\n    },\n\n        /* \\\n         * Interactable.resizable\n         [ method ]\n         *\n         * Gets or sets whether resize actions can be performed on the\n         * Interactable\n         *\n         = (boolean) Indicates if this can be the target of resize elements\n         | var isResizeable = interact('input[type=text]').resizable();\n         * or\n         - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n         = (object) This Interactable\n         | interact(element).resizable({\n         |     onstart: function (event) {},\n         |     onmove : function (event) {},\n         |     onend  : function (event) {},\n         |\n         |     edges: {\n         |       top   : true,       // Use pointer coords to check for resize.\n         |       left  : false,      // Disable resizing from left edge.\n         |       bottom: '.resize-s',// Resize if pointer target matches selector\n         |       right : handleEl    // Resize if pointer target is the given Element\n         |     },\n         |\n         |     // Width and height can be adjusted independently. When `true`, width and\n         |     // height are adjusted at a 1:1 ratio.\n         |     square: false,\n         |\n         |     // Width and height can be adjusted independently. When `true`, width and\n         |     // height maintain the aspect ratio they had when resizing started.\n         |     preserveAspectRatio: false,\n         |\n         |     // a value of 'none' will limit the resize rect to a minimum of 0x0\n         |     // 'negate' will allow the rect to have negative width/height\n         |     // 'reposition' will keep the width/height positive by swapping\n         |     // the top and bottom edges and/or swapping the left and right edges\n         |     invert: 'none' || 'negate' || 'reposition'\n         |\n         |     // limit multiple resizes.\n         |     // See the explanation in the @Interactable.draggable example\n         |     max: Infinity,\n         |     maxPerElement: 1,\n         | });\n        \\*/\n    resizable: function(options){\n      if (isObject(options)){\n        this.options.resize.enabled = options.enabled === false ? false : true;\n        this.setPerAction('resize', options);\n        this.setOnEvents('resize', options);\n\n        if (/^x$|^y$|^xy$/.test(options.axis)){\n          this.options.resize.axis = options.axis;\n        }\n        else if (options.axis === null){\n          this.options.resize.axis = defaultOptions.resize.axis;\n        }\n\n        if (isBool(options.preserveAspectRatio)){\n          this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n        }\n        else if (isBool(options.square)){\n          this.options.resize.square = options.square;\n        }\n\n        return this;\n      }\n      if (isBool(options)){\n        this.options.resize.enabled = options;\n\n        return this;\n      }\n      return this.options.resize;\n    },\n\n        /* \\\n         * Interactable.squareResize\n         [ method ]\n         *\n         * Deprecated. Add a `square: true || false` property to @Interactable.resizable instead\n         *\n         * Gets or sets whether resizing is forced 1:1 aspect\n         *\n         = (boolean) Current setting\n         *\n         * or\n         *\n         - newValue (boolean) #optional\n         = (object) this Interactable\n        \\*/\n    squareResize: function(newValue){\n      if (isBool(newValue)){\n        this.options.resize.square = newValue;\n\n        return this;\n      }\n\n      if (newValue === null){\n        delete this.options.resize.square;\n\n        return this;\n      }\n\n      return this.options.resize.square;\n    },\n\n        /* \\\n         * Interactable.gesturable\n         [ method ]\n         *\n         * Gets or sets whether multitouch gestures can be performed on the\n         * Interactable's element\n         *\n         = (boolean) Indicates if this can be the target of gesture events\n         | var isGestureable = interact(element).gesturable();\n         * or\n         - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n         = (object) this Interactable\n         | interact(element).gesturable({\n         |     onstart: function (event) {},\n         |     onmove : function (event) {},\n         |     onend  : function (event) {},\n         |\n         |     // limit multiple gestures.\n         |     // See the explanation in @Interactable.draggable example\n         |     max: Infinity,\n         |     maxPerElement: 1,\n         | });\n        \\*/\n    gesturable: function(options){\n      if (isObject(options)){\n        this.options.gesture.enabled = options.enabled === false ? false : true;\n        this.setPerAction('gesture', options);\n        this.setOnEvents('gesture', options);\n\n        return this;\n      }\n\n      if (isBool(options)){\n        this.options.gesture.enabled = options;\n\n        return this;\n      }\n\n      return this.options.gesture;\n    },\n\n        /* \\\n         * Interactable.autoScroll\n         [ method ]\n         **\n         * Deprecated. Add an `autoscroll` property to the options object\n         * passed to @Interactable.draggable or @Interactable.resizable instead.\n         *\n         * Returns or sets whether dragging and resizing near the edges of the\n         * window/container trigger autoScroll for this Interactable\n         *\n         = (object) Object with autoScroll properties\n         *\n         * or\n         *\n         - options (object | boolean) #optional\n         * options can be:\n         * - an object with margin, distance and interval properties,\n         * - true or false to enable or disable autoScroll or\n         = (Interactable) this Interactable\n        \\*/\n    autoScroll: function(options){\n      if (isObject(options)){\n        options = extend({ actions: ['drag', 'resize']}, options);\n      }\n      else if (isBool(options)){\n        options = { actions: ['drag', 'resize'], enabled: options };\n      }\n\n      return this.setOptions('autoScroll', options);\n    },\n\n        /* \\\n         * Interactable.snap\n         [ method ]\n         **\n         * Deprecated. Add a `snap` property to the options object passed\n         * to @Interactable.draggable or @Interactable.resizable instead.\n         *\n         * Returns or sets if and how action coordinates are snapped. By\n         * default, snapping is relative to the pointer coordinates. You can\n         * change this by setting the\n         * [`elementOrigin`](https://github.com/taye/interact.js/pull/72).\n         **\n         = (boolean | object) `false` if snap is disabled; object with snap properties if snap is enabled\n         **\n         * or\n         **\n         - options (object | boolean | null) #optional\n         = (Interactable) this Interactable\n         > Usage\n         | interact(document.querySelector('#thing')).snap({\n         |     targets: [\n         |         // snap to this specific point\n         |         {\n         |             x: 100,\n         |             y: 100,\n         |             range: 25\n         |         },\n         |         // give this function the x and y page coords and snap to the object returned\n         |         function (x, y) {\n         |             return {\n         |                 x: x,\n         |                 y: (75 + 50 * Math.sin(x * 0.04)),\n         |                 range: 40\n         |             };\n         |         },\n         |         // create a function that snaps to a grid\n         |         interact.createSnapGrid({\n         |             x: 50,\n         |             y: 50,\n         |             range: 10,              // optional\n         |             offset: { x: 5, y: 10 } // optional\n         |         })\n         |     ],\n         |     // do not snap during normal movement.\n         |     // Instead, trigger only one snapped move event\n         |     // immediately before the end event.\n         |     endOnly: true,\n         |\n         |     relativePoints: [\n         |         { x: 0, y: 0 },  // snap relative to the top left of the element\n         |         { x: 1, y: 1 },  // and also to the bottom right\n         |     ],\n         |\n         |     // offset the snap target coordinates\n         |     // can be an object with x/y or 'startCoords'\n         |     offset: { x: 50, y: 50 }\n         |   }\n         | });\n        \\*/\n    snap: function(options){\n      var ret = this.setOptions('snap', options);\n\n      if (ret === this){ return this; }\n\n      return ret.drag;\n    },\n\n    setOptions: function(option, options){\n      var actions = options && isArray(options.actions)\n                    ? options.actions\n                    : ['drag'];\n\n      var i;\n\n      if (isObject(options) || isBool(options)){\n        for (i = 0; i < actions.length; i++){\n          var action = /resize/.test(actions[i]) ? 'resize' : actions[i];\n\n          if (!isObject(this.options[action])){ continue; }\n\n          var thisOption = this.options[action][option];\n\n          if (isObject(options)){\n            extend(thisOption, options);\n            thisOption.enabled = options.enabled === false ? false : true;\n\n            if (option === 'snap'){\n              if (thisOption.mode === 'grid'){\n                thisOption.targets = [\n                  interact.createSnapGrid(extend({\n                    offset: thisOption.gridOffset || { x: 0, y: 0 }\n                  }, thisOption.grid || {}))\n                ];\n              }\n              else if (thisOption.mode === 'anchor'){\n                thisOption.targets = thisOption.anchors;\n              }\n                            else if (thisOption.mode === 'path'){\n                              thisOption.targets = thisOption.paths;\n                            }\n\n              if ('elementOrigin' in options){\n                thisOption.relativePoints = [options.elementOrigin];\n              }\n            }\n          }\n          else if (isBool(options)){\n            thisOption.enabled = options;\n          }\n        }\n\n        return this;\n      }\n\n      var ret = {},\n        allActions = ['drag', 'resize', 'gesture'];\n\n      for (i = 0; i < allActions.length; i++){\n        if (option in defaultOptions[allActions[i]]){\n          ret[allActions[i]] = this.options[allActions[i]][option];\n        }\n      }\n\n      return ret;\n    },\n\n        /* \\\n         * Interactable.inertia\n         [ method ]\n         **\n         * Deprecated. Add an `inertia` property to the options object passed\n         * to @Interactable.draggable or @Interactable.resizable instead.\n         *\n         * Returns or sets if and how events continue to run after the pointer is released\n         **\n         = (boolean | object) `false` if inertia is disabled; `object` with inertia properties if inertia is enabled\n         **\n         * or\n         **\n         - options (object | boolean | null) #optional\n         = (Interactable) this Interactable\n         > Usage\n         | // enable and use default settings\n         | interact(element).inertia(true);\n         |\n         | // enable and use custom settings\n         | interact(element).inertia({\n         |     // value greater than 0\n         |     // high values slow the object down more quickly\n         |     resistance     : 16,\n         |\n         |     // the minimum launch speed (pixels per second) that results in inertia start\n         |     minSpeed       : 200,\n         |\n         |     // inertia will stop when the object slows down to this speed\n         |     endSpeed       : 20,\n         |\n         |     // boolean; should actions be resumed when the pointer goes down during inertia\n         |     allowResume    : true,\n         |\n         |     // boolean; should the jump when resuming from inertia be ignored in event.dx/dy\n         |     zeroResumeDelta: false,\n         |\n         |     // if snap/restrict are set to be endOnly and inertia is enabled, releasing\n         |     // the pointer without triggering inertia will animate from the release\n         |     // point to the snaped/restricted point in the given amount of time (ms)\n         |     smoothEndDuration: 300,\n         |\n         |     // an array of action types that can have inertia (no gesture)\n         |     actions        : ['drag', 'resize']\n         | });\n         |\n         | // reset custom settings and use all defaults\n         | interact(element).inertia(null);\n        \\*/\n    inertia: function(options){\n      var ret = this.setOptions('inertia', options);\n\n      if (ret === this){ return this; }\n\n      return ret.drag;\n    },\n\n    getAction: function(pointer, event, interaction, element){\n      var action = this.defaultActionChecker(pointer, interaction, element);\n\n      if (this.options.actionChecker){\n        return this.options.actionChecker(pointer, event, action, this, element, interaction);\n      }\n\n      return action;\n    },\n\n    defaultActionChecker: defaultActionChecker,\n\n        /* \\\n         * Interactable.actionChecker\n         [ method ]\n         *\n         * Gets or sets the function used to check action to be performed on\n         * pointerDown\n         *\n         - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n         = (Function | Interactable) The checker function or this Interactable\n         *\n         | interact('.resize-drag')\n         |   .resizable(true)\n         |   .draggable(true)\n         |   .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n         |\n         |   if (interact.matchesSelector(event.target, '.drag-handle') {\n         |     // force drag with handle target\n         |     action.name = drag;\n         |   }\n         |   else {\n         |     // resize from the top and right edges\n         |     action.name  = 'resize';\n         |     action.edges = { top: true, right: true };\n         |   }\n         |\n         |   return action;\n         | });\n        \\*/\n    actionChecker: function(checker){\n      if (isFunction(checker)){\n        this.options.actionChecker = checker;\n\n        return this;\n      }\n\n      if (checker === null){\n        delete this.options.actionChecker;\n\n        return this;\n      }\n\n      return this.options.actionChecker;\n    },\n\n        /* \\\n         * Interactable.getRect\n         [ method ]\n         *\n         * The default function to get an Interactables bounding rect. Can be\n         * overridden using @Interactable.rectChecker.\n         *\n         - element (Element) #optional The element to measure.\n         = (object) The object's bounding rectangle.\n         o {\n         o     top   : 0,\n         o     left  : 0,\n         o     bottom: 0,\n         o     right : 0,\n         o     width : 0,\n         o     height: 0\n         o }\n        \\*/\n    getRect: function rectCheck(element){\n      element = element || this._element;\n\n      if (this.selector && !(isElement(element))){\n        element = this._context.querySelector(this.selector);\n      }\n\n      return getElementRect(element);\n    },\n\n        /* \\\n         * Interactable.rectChecker\n         [ method ]\n         *\n         * Returns or sets the function used to calculate the interactable's\n         * element's rectangle\n         *\n         - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n         = (function | object) The checker function or this Interactable\n        \\*/\n    rectChecker: function(checker){\n      if (isFunction(checker)){\n        this.getRect = checker;\n\n        return this;\n      }\n\n      if (checker === null){\n        delete this.options.getRect;\n\n        return this;\n      }\n\n      return this.getRect;\n    },\n\n        /* \\\n         * Interactable.styleCursor\n         [ method ]\n         *\n         * Returns or sets whether the action that would be performed when the\n         * mouse on the element are checked on `mousemove` so that the cursor\n         * may be styled appropriately\n         *\n         - newValue (boolean) #optional\n         = (boolean | Interactable) The current setting or this Interactable\n        \\*/\n    styleCursor: function(newValue){\n      if (isBool(newValue)){\n        this.options.styleCursor = newValue;\n\n        return this;\n      }\n\n      if (newValue === null){\n        delete this.options.styleCursor;\n\n        return this;\n      }\n\n      return this.options.styleCursor;\n    },\n\n        /* \\\n         * Interactable.preventDefault\n         [ method ]\n         *\n         * Returns or sets whether to prevent the browser's default behaviour\n         * in response to pointer events. Can be set to:\n         *  - `'always'` to always prevent\n         *  - `'never'` to never prevent\n         *  - `'auto'` to let interact.js try to determine what would be best\n         *\n         - newValue (string) #optional `true`, `false` or `'auto'`\n         = (string | Interactable) The current setting or this Interactable\n        \\*/\n    preventDefault: function(newValue){\n      if (/^(always|never|auto)$/.test(newValue)){\n        this.options.preventDefault = newValue;\n        return this;\n      }\n\n      if (isBool(newValue)){\n        this.options.preventDefault = newValue ? 'always' : 'never';\n        return this;\n      }\n\n      return this.options.preventDefault;\n    },\n\n        /* \\\n         * Interactable.origin\n         [ method ]\n         *\n         * Gets or sets the origin of the Interactable's element.  The x and y\n         * of the origin will be subtracted from action event coordinates.\n         *\n         - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n         * OR\n         - origin (Element) #optional An HTML or SVG Element whose rect will be used\n         **\n         = (object) The current origin or this Interactable\n        \\*/\n    origin: function(newValue){\n      if (trySelector(newValue)){\n        this.options.origin = newValue;\n        return this;\n      }\n      else if (isObject(newValue)){\n        this.options.origin = newValue;\n        return this;\n      }\n\n      return this.options.origin;\n    },\n\n        /* \\\n         * Interactable.deltaSource\n         [ method ]\n         *\n         * Returns or sets the mouse coordinate types used to calculate the\n         * movement of the pointer.\n         *\n         - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n         = (string | object) The current deltaSource or this Interactable\n        \\*/\n    deltaSource: function(newValue){\n      if (newValue === 'page' || newValue === 'client'){\n        this.options.deltaSource = newValue;\n\n        return this;\n      }\n\n      return this.options.deltaSource;\n    },\n\n        /* \\\n         * Interactable.restrict\n         [ method ]\n         **\n         * Deprecated. Add a `restrict` property to the options object passed to\n         * @Interactable.draggable, @Interactable.resizable or @Interactable.gesturable instead.\n         *\n         * Returns or sets the rectangles within which actions on this\n         * interactable (after snap calculations) are restricted. By default,\n         * restricting is relative to the pointer coordinates. You can change\n         * this by setting the\n         * [`elementRect`](https://github.com/taye/interact.js/pull/72).\n         **\n         - options (object) #optional an object with keys drag, resize, and/or gesture whose values are rects, Elements, CSS selectors, or 'parent' or 'self'\n         = (object) The current restrictions object or this Interactable\n         **\n         | interact(element).restrict({\n         |     // the rect will be `interact.getElementRect(element.parentNode)`\n         |     drag: element.parentNode,\n         |\n         |     // x and y are relative to the the interactable's origin\n         |     resize: { x: 100, y: 100, width: 200, height: 200 }\n         | })\n         |\n         | interact('.draggable').restrict({\n         |     // the rect will be the selected element's parent\n         |     drag: 'parent',\n         |\n         |     // do not restrict during normal movement.\n         |     // Instead, trigger only one restricted move event\n         |     // immediately before the end event.\n         |     endOnly: true,\n         |\n         |     // https://github.com/taye/interact.js/pull/72#issue-41813493\n         |     elementRect: { top: 0, left: 0, bottom: 1, right: 1 }\n         | });\n        \\*/\n    restrict: function(options){\n      if (!isObject(options)){\n        return this.setOptions('restrict', options);\n      }\n\n      var actions = ['drag', 'resize', 'gesture'],\n        ret;\n\n      for (var i = 0; i < actions.length; i++){\n        var action = actions[i];\n\n        if (action in options){\n          var perAction = extend({\n            actions: [action],\n            restriction: options[action]\n          }, options);\n\n          ret = this.setOptions('restrict', perAction);\n        }\n      }\n\n      return ret;\n    },\n\n        /* \\\n         * Interactable.context\n         [ method ]\n         *\n         * Gets the selector context Node of the Interactable. The default is `window.document`.\n         *\n         = (Node) The context Node of this Interactable\n         **\n        \\*/\n    context: function(){\n      return this._context;\n    },\n\n    _context: document,\n\n        /* \\\n         * Interactable.ignoreFrom\n         [ method ]\n         *\n         * If the target of the `mousedown`, `pointerdown` or `touchstart`\n         * event or any of it's parents match the given CSS selector or\n         * Element, no drag/resize/gesture is started.\n         *\n         - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n         = (string | Element | object) The current ignoreFrom value or this Interactable\n         **\n         | interact(element, { ignoreFrom: document.getElementById('no-action') });\n         | // or\n         | interact(element).ignoreFrom('input, textarea, a');\n        \\*/\n    ignoreFrom: function(newValue){\n      if (trySelector(newValue)){            // CSS selector to match event.target\n        this.options.ignoreFrom = newValue;\n        return this;\n      }\n\n      if (isElement(newValue)){              // specific element\n        this.options.ignoreFrom = newValue;\n        return this;\n      }\n\n      return this.options.ignoreFrom;\n    },\n\n        /* \\\n         * Interactable.allowFrom\n         [ method ]\n         *\n         * A drag/resize/gesture is started only If the target of the\n         * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n         * parents match the given CSS selector or Element.\n         *\n         - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n         = (string | Element | object) The current allowFrom value or this Interactable\n         **\n         | interact(element, { allowFrom: document.getElementById('drag-handle') });\n         | // or\n         | interact(element).allowFrom('.handle');\n        \\*/\n    allowFrom: function(newValue){\n      if (trySelector(newValue)){            // CSS selector to match event.target\n        this.options.allowFrom = newValue;\n        return this;\n      }\n\n      if (isElement(newValue)){              // specific element\n        this.options.allowFrom = newValue;\n        return this;\n      }\n\n      return this.options.allowFrom;\n    },\n\n        /* \\\n         * Interactable.element\n         [ method ]\n         *\n         * If this is not a selector Interactable, it returns the element this\n         * interactable represents\n         *\n         = (Element) HTML / SVG Element\n        \\*/\n    element: function(){\n      return this._element;\n    },\n\n        /* \\\n         * Interactable.fire\n         [ method ]\n         *\n         * Calls listeners for the given InteractEvent type bound globally\n         * and directly to this Interactable\n         *\n         - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n         = (Interactable) this Interactable\n        \\*/\n    fire: function(iEvent){\n      if (!(iEvent && iEvent.type) || !contains(eventTypes, iEvent.type)){\n        return this;\n      }\n\n      var listeners,\n        i,\n        len,\n        onEvent = 'on' + iEvent.type,\n        funcName = '';\n\n            // Interactable#on() listeners\n      if (iEvent.type in this._iEvents){\n        listeners = this._iEvents[iEvent.type];\n\n        for (i = 0, len = listeners.length; i < len && !iEvent.immediatePropagationStopped; i++){\n          funcName = listeners[i].name;\n          listeners[i](iEvent);\n        }\n      }\n\n            // interactable.onevent listener\n      if (isFunction(this[onEvent])){\n        funcName = this[onEvent].name;\n        this[onEvent](iEvent);\n      }\n\n            // interact.on() listeners\n      if (iEvent.type in globalEvents && (listeners = globalEvents[iEvent.type])){\n        for (i = 0, len = listeners.length; i < len && !iEvent.immediatePropagationStopped; i++){\n          funcName = listeners[i].name;\n          listeners[i](iEvent);\n        }\n      }\n\n      return this;\n    },\n\n        /* \\\n         * Interactable.on\n         [ method ]\n         *\n         * Binds a listener for an InteractEvent or DOM event.\n         *\n         - eventType  (string | array | object) The types of events to listen for\n         - listener   (function) The function to be called on the given event(s)\n         - useCapture (boolean) #optional useCapture flag for addEventListener\n         = (object) This Interactable\n        \\*/\n    on: function(eventType, listener, useCapture){\n      var i;\n\n      if (isString(eventType) && eventType.search(' ') !== -1){\n        eventType = eventType.trim().split(/ +/);\n      }\n\n      if (isArray(eventType)){\n        for (i = 0; i < eventType.length; i++){\n          this.on(eventType[i], listener, useCapture);\n        }\n\n        return this;\n      }\n\n      if (isObject(eventType)){\n        for (var prop in eventType){\n          this.on(prop, eventType[prop], listener);\n        }\n\n        return this;\n      }\n\n      if (eventType === 'wheel'){\n        eventType = wheelEvent;\n      }\n\n            // convert to boolean\n      useCapture = useCapture ? true : false;\n\n      if (contains(eventTypes, eventType)){\n                // if this type of event was never bound to this Interactable\n        if (!(eventType in this._iEvents)){\n          this._iEvents[eventType] = [listener];\n        }\n        else {\n          this._iEvents[eventType].push(listener);\n        }\n      }\n            // delegated event for selector\n      else if (this.selector){\n        if (!delegatedEvents[eventType]){\n          delegatedEvents[eventType] = {\n            selectors: [],\n            contexts: [],\n            listeners: []\n          };\n\n                    // add delegate listener functions\n          for (i = 0; i < documents.length; i++){\n            events.add(documents[i], eventType, delegateListener);\n            events.add(documents[i], eventType, delegateUseCapture, true);\n          }\n        }\n\n        var delegated = delegatedEvents[eventType],\n          index;\n\n        for (index = delegated.selectors.length - 1; index >= 0; index--){\n          if (delegated.selectors[index] === this.selector\n                        && delegated.contexts[index] === this._context){\n            break;\n          }\n        }\n\n        if (index === -1){\n          index = delegated.selectors.length;\n\n          delegated.selectors.push(this.selector);\n          delegated.contexts.push(this._context);\n          delegated.listeners.push([]);\n        }\n\n                // keep listener and useCapture flag\n        delegated.listeners[index].push([listener, useCapture]);\n      }\n            else {\n        events.add(this._element, eventType, listener, useCapture);\n      }\n\n      return this;\n    },\n\n        /* \\\n         * Interactable.off\n         [ method ]\n         *\n         * Removes an InteractEvent or DOM event listener\n         *\n         - eventType  (string | array | object) The types of events that were listened for\n         - listener   (function) The listener function to be removed\n         - useCapture (boolean) #optional useCapture flag for removeEventListener\n         = (object) This Interactable\n        \\*/\n    off: function(eventType, listener, useCapture){\n      var i;\n\n      if (isString(eventType) && eventType.search(' ') !== -1){\n        eventType = eventType.trim().split(/ +/);\n      }\n\n      if (isArray(eventType)){\n        for (i = 0; i < eventType.length; i++){\n          this.off(eventType[i], listener, useCapture);\n        }\n\n        return this;\n      }\n\n      if (isObject(eventType)){\n        for (var prop in eventType){\n          this.off(prop, eventType[prop], listener);\n        }\n\n        return this;\n      }\n\n      var eventList,\n        index = -1;\n\n            // convert to boolean\n      useCapture = useCapture ? true : false;\n\n      if (eventType === 'wheel'){\n        eventType = wheelEvent;\n      }\n\n            // if it is an action event type\n      if (contains(eventTypes, eventType)){\n        eventList = this._iEvents[eventType];\n\n        if (eventList && (index = indexOf(eventList, listener)) !== -1){\n          this._iEvents[eventType].splice(index, 1);\n        }\n      }\n            // delegated event\n      else if (this.selector){\n        var delegated = delegatedEvents[eventType],\n          matchFound = false;\n\n        if (!delegated){ return this; }\n\n                // count from last index of delegated to 0\n        for (index = delegated.selectors.length - 1; index >= 0; index--){\n                    // look for matching selector and context Node\n          if (delegated.selectors[index] === this.selector\n                        && delegated.contexts[index] === this._context){\n            var listeners = delegated.listeners[index];\n\n                        // each item of the listeners array is an array: [function, useCaptureFlag]\n            for (i = listeners.length - 1; i >= 0; i--){\n              var fn = listeners[i][0],\n                useCap = listeners[i][1];\n\n                            // check if the listener functions and useCapture flags match\n              if (fn === listener && useCap === useCapture){\n                                // remove the listener from the array of listeners\n                listeners.splice(i, 1);\n\n                                // if all listeners for this interactable have been removed\n                                // remove the interactable from the delegated arrays\n                if (!listeners.length){\n                  delegated.selectors.splice(index, 1);\n                  delegated.contexts.splice(index, 1);\n                  delegated.listeners.splice(index, 1);\n\n                                    // remove delegate function from context\n                  events.remove(this._context, eventType, delegateListener);\n                  events.remove(this._context, eventType, delegateUseCapture, true);\n\n                                    // remove the arrays if they are empty\n                  if (!delegated.selectors.length){\n                    delegatedEvents[eventType] = null;\n                  }\n                }\n\n                                // only remove one listener\n                matchFound = true;\n                break;\n              }\n            }\n\n            if (matchFound){ break; }\n          }\n        }\n      }\n            // remove listener from this Interatable's element\n            else {\n        events.remove(this._element, eventType, listener, useCapture);\n      }\n\n      return this;\n    },\n\n        /* \\\n         * Interactable.set\n         [ method ]\n         *\n         * Reset the options of this Interactable\n         - options (object) The new settings to apply\n         = (object) This Interactable\n        \\*/\n    set: function(options){\n      if (!isObject(options)){\n        options = {};\n      }\n\n      this.options = extend({}, defaultOptions.base);\n\n      var i,\n        actions = ['drag', 'drop', 'resize', 'gesture'],\n        methods = ['draggable', 'dropzone', 'resizable', 'gesturable'],\n        perActions = extend(extend({}, defaultOptions.perAction), options[action] || {});\n\n      for (i = 0; i < actions.length; i++){\n        var action = actions[i];\n\n        this.options[action] = extend({}, defaultOptions[action]);\n\n        this.setPerAction(action, perActions);\n\n        this[methods[i]](options[action]);\n      }\n\n      var settings = [\n        'accept', 'actionChecker', 'allowFrom', 'deltaSource',\n        'dropChecker', 'ignoreFrom', 'origin', 'preventDefault',\n        'rectChecker', 'styleCursor'\n      ];\n\n      for (i = 0, len = settings.length; i < len; i++){\n        var setting = settings[i];\n\n        this.options[setting] = defaultOptions.base[setting];\n\n        if (setting in options){\n          this[setting](options[setting]);\n        }\n      }\n\n      return this;\n    },\n\n        /* \\\n         * Interactable.unset\n         [ method ]\n         *\n         * Remove this interactable from the list of interactables and remove\n         * it's drag, drop, resize and gesture capabilities\n         *\n         = (object) @interact\n        \\*/\n    unset: function(){\n      events.remove(this._element, 'all');\n\n      if (!isString(this.selector)){\n        events.remove(this, 'all');\n        if (this.options.styleCursor){\n          this._element.style.cursor = '';\n        }\n      }\n      else {\n                // remove delegated events\n        for (var type in delegatedEvents){\n          var delegated = delegatedEvents[type];\n\n          for (var i = 0; i < delegated.selectors.length; i++){\n            if (delegated.selectors[i] === this.selector\n                            && delegated.contexts[i] === this._context){\n              delegated.selectors.splice(i, 1);\n              delegated.contexts.splice(i, 1);\n              delegated.listeners.splice(i, 1);\n\n                            // remove the arrays if they are empty\n              if (!delegated.selectors.length){\n                delegatedEvents[type] = null;\n              }\n            }\n\n            events.remove(this._context, type, delegateListener);\n            events.remove(this._context, type, delegateUseCapture, true);\n\n            break;\n          }\n        }\n      }\n\n      this.dropzone(false);\n\n      interactables.splice(indexOf(interactables, this), 1);\n\n      return interact;\n    }\n  };\n\n  function warnOnce(method, message){\n    var warned = false;\n\n    return function(){\n      if (!warned){\n        window.console.warn(message);\n        warned = true;\n      }\n\n      return method.apply(this, arguments);\n    };\n  }\n\n  Interactable.prototype.snap = warnOnce(Interactable.prototype.snap,\n         'Interactable#snap is deprecated. See the new documentation for snapping at http://interactjs.io/docs/snapping');\n  Interactable.prototype.restrict = warnOnce(Interactable.prototype.restrict,\n         'Interactable#restrict is deprecated. See the new documentation for resticting at http://interactjs.io/docs/restriction');\n  Interactable.prototype.inertia = warnOnce(Interactable.prototype.inertia,\n         'Interactable#inertia is deprecated. See the new documentation for inertia at http://interactjs.io/docs/inertia');\n  Interactable.prototype.autoScroll = warnOnce(Interactable.prototype.autoScroll,\n         'Interactable#autoScroll is deprecated. See the new documentation for autoScroll at http://interactjs.io/docs/#autoscroll');\n  Interactable.prototype.squareResize = warnOnce(Interactable.prototype.squareResize,\n         'Interactable#squareResize is deprecated. See http://interactjs.io/docs/#resize-square');\n\n  Interactable.prototype.accept = warnOnce(Interactable.prototype.accept,\n         'Interactable#accept is deprecated. use Interactable#dropzone({ accept: target }) instead');\n  Interactable.prototype.dropChecker = warnOnce(Interactable.prototype.dropChecker,\n         'Interactable#dropChecker is deprecated. use Interactable#dropzone({ dropChecker: checkerFunction }) instead');\n  Interactable.prototype.context = warnOnce(Interactable.prototype.context,\n         'Interactable#context as a method is deprecated. It will soon be a DOM Node instead');\n\n    /* \\\n     * interact.isSet\n     [ method ]\n     *\n     * Check if an element has been set\n     - element (Element) The Element being searched for\n     = (boolean) Indicates if the element or CSS selector was previously passed to interact\n    \\*/\n  interact.isSet = function(element, options){\n    return interactables.indexOfElement(element, options && options.context) !== -1;\n  };\n\n    /* \\\n     * interact.on\n     [ method ]\n     *\n     * Adds a global listener for an InteractEvent or adds a DOM event to\n     * `document`\n     *\n     - type       (string | array | object) The types of events to listen for\n     - listener   (function) The function to be called on the given event(s)\n     - useCapture (boolean) #optional useCapture flag for addEventListener\n     = (object) interact\n    \\*/\n  interact.on = function(type, listener, useCapture){\n    if (isString(type) && type.search(' ') !== -1){\n      type = type.trim().split(/ +/);\n    }\n\n    if (isArray(type)){\n      for (var i = 0; i < type.length; i++){\n        interact.on(type[i], listener, useCapture);\n      }\n\n      return interact;\n    }\n\n    if (isObject(type)){\n      for (var prop in type){\n        interact.on(prop, type[prop], listener);\n      }\n\n      return interact;\n    }\n\n        // if it is an InteractEvent type, add listener to globalEvents\n    if (contains(eventTypes, type)){\n            // if this type of event was never bound\n      if (!globalEvents[type]){\n        globalEvents[type] = [listener];\n      }\n      else {\n        globalEvents[type].push(listener);\n      }\n    }\n        // If non InteractEvent type, addEventListener to document\n    else {\n      events.add(document, type, listener, useCapture);\n    }\n\n    return interact;\n  };\n\n    /* \\\n     * interact.off\n     [ method ]\n     *\n     * Removes a global InteractEvent listener or DOM event from `document`\n     *\n     - type       (string | array | object) The types of events that were listened for\n     - listener   (function) The listener function to be removed\n     - useCapture (boolean) #optional useCapture flag for removeEventListener\n     = (object) interact\n     \\*/\n  interact.off = function(type, listener, useCapture){\n    if (isString(type) && type.search(' ') !== -1){\n      type = type.trim().split(/ +/);\n    }\n\n    if (isArray(type)){\n      for (var i = 0; i < type.length; i++){\n        interact.off(type[i], listener, useCapture);\n      }\n\n      return interact;\n    }\n\n    if (isObject(type)){\n      for (var prop in type){\n        interact.off(prop, type[prop], listener);\n      }\n\n      return interact;\n    }\n\n    if (!contains(eventTypes, type)){\n      events.remove(document, type, listener, useCapture);\n    }\n    else {\n      var index;\n\n      if (type in globalEvents\n                && (index = indexOf(globalEvents[type], listener)) !== -1){\n        globalEvents[type].splice(index, 1);\n      }\n    }\n\n    return interact;\n  };\n\n    /* \\\n     * interact.enableDragging\n     [ method ]\n     *\n     * Deprecated.\n     *\n     * Returns or sets whether dragging is enabled for any Interactables\n     *\n     - newValue (boolean) #optional `true` to allow the action; `false` to disable action for all Interactables\n     = (boolean | object) The current setting or interact\n    \\*/\n  interact.enableDragging = warnOnce(function(newValue){\n    if (newValue !== null && newValue !== undefined){\n      actionIsEnabled.drag = newValue;\n\n      return interact;\n    }\n    return actionIsEnabled.drag;\n  }, 'interact.enableDragging is deprecated and will soon be removed.');\n\n    /* \\\n     * interact.enableResizing\n     [ method ]\n     *\n     * Deprecated.\n     *\n     * Returns or sets whether resizing is enabled for any Interactables\n     *\n     - newValue (boolean) #optional `true` to allow the action; `false` to disable action for all Interactables\n     = (boolean | object) The current setting or interact\n    \\*/\n  interact.enableResizing = warnOnce(function(newValue){\n    if (newValue !== null && newValue !== undefined){\n      actionIsEnabled.resize = newValue;\n\n      return interact;\n    }\n    return actionIsEnabled.resize;\n  }, 'interact.enableResizing is deprecated and will soon be removed.');\n\n    /* \\\n     * interact.enableGesturing\n     [ method ]\n     *\n     * Deprecated.\n     *\n     * Returns or sets whether gesturing is enabled for any Interactables\n     *\n     - newValue (boolean) #optional `true` to allow the action; `false` to disable action for all Interactables\n     = (boolean | object) The current setting or interact\n    \\*/\n  interact.enableGesturing = warnOnce(function(newValue){\n    if (newValue !== null && newValue !== undefined){\n      actionIsEnabled.gesture = newValue;\n\n      return interact;\n    }\n    return actionIsEnabled.gesture;\n  }, 'interact.enableGesturing is deprecated and will soon be removed.');\n\n  interact.eventTypes = eventTypes;\n\n    /* \\\n     * interact.debug\n     [ method ]\n     *\n     * Returns debugging data\n     = (object) An object with properties that outline the current state and expose internal functions and variables\n    \\*/\n  interact.debug = function(){\n    var interaction = interactions[0] || new Interaction();\n\n    return {\n      interactions: interactions,\n      target: interaction.target,\n      dragging: interaction.dragging,\n      resizing: interaction.resizing,\n      gesturing: interaction.gesturing,\n      prepared: interaction.prepared,\n      matches: interaction.matches,\n      matchElements: interaction.matchElements,\n\n      prevCoords: interaction.prevCoords,\n      startCoords: interaction.startCoords,\n\n      pointerIds: interaction.pointerIds,\n      pointers: interaction.pointers,\n      addPointer: listeners.addPointer,\n      removePointer: listeners.removePointer,\n      recordPointer: listeners.recordPointer,\n\n      snap: interaction.snapStatus,\n      restrict: interaction.restrictStatus,\n      inertia: interaction.inertiaStatus,\n\n      downTime: interaction.downTimes[0],\n      downEvent: interaction.downEvent,\n      downPointer: interaction.downPointer,\n      prevEvent: interaction.prevEvent,\n\n      Interactable: Interactable,\n      interactables: interactables,\n      pointerIsDown: interaction.pointerIsDown,\n      defaultOptions: defaultOptions,\n      defaultActionChecker: defaultActionChecker,\n\n      actionCursors: actionCursors,\n      dragMove: listeners.dragMove,\n      resizeMove: listeners.resizeMove,\n      gestureMove: listeners.gestureMove,\n      pointerUp: listeners.pointerUp,\n      pointerDown: listeners.pointerDown,\n      pointerMove: listeners.pointerMove,\n      pointerHover: listeners.pointerHover,\n\n      eventTypes: eventTypes,\n\n      events: events,\n      globalEvents: globalEvents,\n      delegatedEvents: delegatedEvents,\n\n      prefixedPropREs: prefixedPropREs\n    };\n  };\n\n    // expose the functions used to calculate multi-touch properties\n  interact.getPointerAverage = pointerAverage;\n  interact.getTouchBBox = touchBBox;\n  interact.getTouchDistance = touchDistance;\n  interact.getTouchAngle = touchAngle;\n\n  interact.getElementRect = getElementRect;\n  interact.getElementClientRect = getElementClientRect;\n  interact.matchesSelector = matchesSelector;\n  interact.closest = closest;\n\n    /* \\\n     * interact.margin\n     [ method ]\n     *\n     * Deprecated. Use `interact(target).resizable({ margin: number });` instead.\n     * Returns or sets the margin for autocheck resizing used in\n     * @Interactable.getAction. That is the distance from the bottom and right\n     * edges of an element clicking in which will start resizing\n     *\n     - newValue (number) #optional\n     = (number | interact) The current margin value or interact\n    \\*/\n  interact.margin = warnOnce(function(newvalue){\n    if (isNumber(newvalue)){\n      margin = newvalue;\n\n      return interact;\n    }\n    return margin;\n  },\n    'interact.margin is deprecated. Use interact(target).resizable({ margin: number }); instead.');\n\n    /* \\\n     * interact.supportsTouch\n     [ method ]\n     *\n     = (boolean) Whether or not the browser supports touch input\n    \\*/\n  interact.supportsTouch = function(){\n    return supportsTouch;\n  };\n\n    /* \\\n     * interact.supportsPointerEvent\n     [ method ]\n     *\n     = (boolean) Whether or not the browser supports PointerEvents\n    \\*/\n  interact.supportsPointerEvent = function(){\n    return supportsPointerEvent;\n  };\n\n    /* \\\n     * interact.stop\n     [ method ]\n     *\n     * Cancels all interactions (end events are not fired)\n     *\n     - event (Event) An event on which to call preventDefault()\n     = (object) interact\n    \\*/\n  interact.stop = function(event){\n    for (var i = interactions.length - 1; i >= 0; i--){\n      interactions[i].stop(event);\n    }\n\n    return interact;\n  };\n\n    /* \\\n     * interact.dynamicDrop\n     [ method ]\n     *\n     * Returns or sets whether the dimensions of dropzone elements are\n     * calculated on every dragmove or only on dragstart for the default\n     * dropChecker\n     *\n     - newValue (boolean) #optional True to check on each move. False to check only before start\n     = (boolean | interact) The current setting or interact\n    \\*/\n  interact.dynamicDrop = function(newValue){\n    if (isBool(newValue)){\n            // if (dragging && dynamicDrop !== newValue && !newValue) {\n                // calcRects(dropzones);\n            // }\n\n      dynamicDrop = newValue;\n\n      return interact;\n    }\n    return dynamicDrop;\n  };\n\n    /* \\\n     * interact.pointerMoveTolerance\n     [ method ]\n     * Returns or sets the distance the pointer must be moved before an action\n     * sequence occurs. This also affects tolerance for tap events.\n     *\n     - newValue (number) #optional The movement from the start position must be greater than this value\n     = (number | Interactable) The current setting or interact\n    \\*/\n  interact.pointerMoveTolerance = function(newValue){\n    if (isNumber(newValue)){\n      pointerMoveTolerance = newValue;\n\n      return this;\n    }\n\n    return pointerMoveTolerance;\n  };\n\n    /* \\\n     * interact.maxInteractions\n     [ method ]\n     **\n     * Returns or sets the maximum number of concurrent interactions allowed.\n     * By default only 1 interaction is allowed at a time (for backwards\n     * compatibility). To allow multiple interactions on the same Interactables\n     * and elements, you need to enable it in the draggable, resizable and\n     * gesturable `'max'` and `'maxPerElement'` options.\n     **\n     - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n    \\*/\n  interact.maxInteractions = function(newValue){\n    if (isNumber(newValue)){\n      maxInteractions = newValue;\n\n      return this;\n    }\n\n    return maxInteractions;\n  };\n\n  interact.createSnapGrid = function(grid){\n    return function(x, y){\n      var offsetX = 0,\n        offsetY = 0;\n\n      if (isObject(grid.offset)){\n        offsetX = grid.offset.x;\n        offsetY = grid.offset.y;\n      }\n\n      var gridx = Math.round((x - offsetX) / grid.x),\n        gridy = Math.round((y - offsetY) / grid.y),\n\n        newX = gridx * grid.x + offsetX,\n        newY = gridy * grid.y + offsetY;\n\n      return {\n        x: newX,\n        y: newY,\n        range: grid.range\n      };\n    };\n  };\n\n  function endAllInteractions(event){\n    for (var i = 0; i < interactions.length; i++){\n      interactions[i].pointerEnd(event, event);\n    }\n  }\n\n  function listenToDocument(doc){\n    if (contains(documents, doc)){ return; }\n\n    var win = doc.defaultView || doc.parentWindow;\n\n        // add delegate event listener\n    for (var eventType in delegatedEvents){\n      events.add(doc, eventType, delegateListener);\n      events.add(doc, eventType, delegateUseCapture, true);\n    }\n\n    if (supportsPointerEvent){\n      if (PointerEvent === win.MSPointerEvent){\n        pEventTypes = {\n          up: 'MSPointerUp', down: 'MSPointerDown', over: 'mouseover',\n          out: 'mouseout', move: 'MSPointerMove', cancel: 'MSPointerCancel' };\n      }\n      else {\n        pEventTypes = {\n          up: 'pointerup', down: 'pointerdown', over: 'pointerover',\n          out: 'pointerout', move: 'pointermove', cancel: 'pointercancel' };\n      }\n\n      events.add(doc, pEventTypes.down, listeners.selectorDown);\n      events.add(doc, pEventTypes.move, listeners.pointerMove);\n      events.add(doc, pEventTypes.over, listeners.pointerOver);\n      events.add(doc, pEventTypes.out, listeners.pointerOut);\n      events.add(doc, pEventTypes.up, listeners.pointerUp);\n      events.add(doc, pEventTypes.cancel, listeners.pointerCancel);\n\n            // autoscroll\n      events.add(doc, pEventTypes.move, listeners.autoScrollMove);\n    }\n    else {\n      events.add(doc, 'mousedown', listeners.selectorDown);\n      events.add(doc, 'mousemove', listeners.pointerMove);\n      events.add(doc, 'mouseup', listeners.pointerUp);\n      events.add(doc, 'mouseover', listeners.pointerOver);\n      events.add(doc, 'mouseout', listeners.pointerOut);\n\n      events.add(doc, 'touchstart', listeners.selectorDown);\n      events.add(doc, 'touchmove', listeners.pointerMove);\n      events.add(doc, 'touchend', listeners.pointerUp);\n      events.add(doc, 'touchcancel', listeners.pointerCancel);\n\n            // autoscroll\n      events.add(doc, 'mousemove', listeners.autoScrollMove);\n      events.add(doc, 'touchmove', listeners.autoScrollMove);\n    }\n\n    events.add(win, 'blur', endAllInteractions);\n\n    try {\n      if (win.frameElement){\n        var parentDoc = win.frameElement.ownerDocument,\n          parentWindow = parentDoc.defaultView;\n\n        events.add(parentDoc, 'mouseup', listeners.pointerEnd);\n        events.add(parentDoc, 'touchend', listeners.pointerEnd);\n        events.add(parentDoc, 'touchcancel', listeners.pointerEnd);\n        events.add(parentDoc, 'pointerup', listeners.pointerEnd);\n        events.add(parentDoc, 'MSPointerUp', listeners.pointerEnd);\n        events.add(parentWindow, 'blur', endAllInteractions);\n      }\n    }\n        catch (error){\n          interact.windowParentError = error;\n        }\n\n        // prevent native HTML5 drag on interact.js target elements\n    events.add(doc, 'dragstart', function(event){\n      for (var i = 0; i < interactions.length; i++){\n        var interaction = interactions[i];\n\n        if (interaction.element\n                    && (interaction.element === event.target\n                        || nodeContains(interaction.element, event.target))){\n          interaction.checkAndPreventDefault(event, interaction.target, interaction.element);\n          return;\n        }\n      }\n    });\n\n    if (events.useAttachEvent){\n            // For IE's lack of Event#preventDefault\n      events.add(doc, 'selectstart', function(event){\n        var interaction = interactions[0];\n\n        if (interaction.currentAction()){\n          interaction.checkAndPreventDefault(event);\n        }\n      });\n\n            // For IE's bad dblclick event sequence\n      events.add(doc, 'dblclick', doOnInteractions('ie8Dblclick'));\n    }\n\n    documents.push(doc);\n  }\n\n  listenToDocument(document);\n\n  function indexOf(array, target){\n    for (var i = 0, len = array.length; i < len; i++){\n      if (array[i] === target){\n        return i;\n      }\n    }\n\n    return -1;\n  }\n\n  function contains(array, target){\n    return indexOf(array, target) !== -1;\n  }\n\n  function matchesSelector(element, selector, nodeList){\n    if (ie8MatchesSelector){\n      return ie8MatchesSelector(element, selector, nodeList);\n    }\n\n        // remove /deep/ from selectors if shadowDOM polyfill is used\n    if (window !== realWindow){\n      selector = selector.replace(/\\/deep\\//g, ' ');\n    }\n\n    return element[prefixedMatchesSelector](selector);\n  }\n\n  function matchesUpTo(element, selector, limit){\n    while (isElement(element)){\n      if (matchesSelector(element, selector)){\n        return true;\n      }\n\n      element = parentElement(element);\n\n      if (element === limit){\n        return matchesSelector(element, selector);\n      }\n    }\n\n    return false;\n  }\n\n    // For IE8's lack of an Element#matchesSelector\n    // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n  if (!(prefixedMatchesSelector in Element.prototype) || !isFunction(Element.prototype[prefixedMatchesSelector])){\n    ie8MatchesSelector = function(element, selector, elems){\n      elems = elems || element.parentNode.querySelectorAll(selector);\n\n      for (var i = 0, len = elems.length; i < len; i++){\n        if (elems[i] === element){\n          return true;\n        }\n      }\n\n      return false;\n    };\n  }\n\n    // requestAnimationFrame polyfill\n  (function(){\n    var lastTime = 0,\n      vendors = ['ms', 'moz', 'webkit', 'o'];\n\n    for (var x = 0; x < vendors.length && !realWindow.requestAnimationFrame; ++x){\n      reqFrame = realWindow[vendors[x] + 'RequestAnimationFrame'];\n      cancelFrame = realWindow[vendors[x] + 'CancelAnimationFrame'] || realWindow[vendors[x] + 'CancelRequestAnimationFrame'];\n    }\n\n    if (!reqFrame){\n      reqFrame = function(callback){\n        var currTime = new Date().getTime(),\n          timeToCall = Math.max(0, 16 - (currTime - lastTime)),\n          id = setTimeout(function(){ callback(currTime + timeToCall); },\n                  timeToCall);\n        lastTime = currTime + timeToCall;\n        return id;\n      };\n    }\n\n    if (!cancelFrame){\n      cancelFrame = function(id){\n        clearTimeout(id);\n      };\n    }\n  }());\n\n    /* global exports: true, module, define */\n\n    // http://documentcloud.github.io/underscore/docs/underscore.html#section-11\n  if (typeof exports !== 'undefined'){\n    if (typeof module !== 'undefined' && module.exports){\n      exports = module.exports = interact;\n    }\n    exports.interact = interact;\n  }\n    // AMD\n  else if (typeof define === 'function' && define.amd){\n    define('interact', function(){\n      return interact;\n    });\n  }\n    else {\n    realWindow.interact = interact;\n  }\n}(typeof window === 'undefined' ? undefined : window));\n\n\n\n// WEBPACK FOOTER //\n// ../src/interact.js","export AutoTooltips from './slick.autotooltips';\nexport CellCopyManager from './slick.cellcopymanager';\nexport CellRangeDecorator from './slick.cellrangedecorator';\nexport CellRangeSelector from './slick.cellrangeselector';\nexport CellSelectionModel from './slick.cellselectionmodel';\nexport CheckboxSelectColumn from './slick.checkboxselectcolumn';\nexport HeaderButtons from './slick.headerbuttons';\nexport HeaderMenu from './slick.headermenu';\nexport RowMoveManager from './slick.rowmovemanager';\nexport RowSelectionModel from './slick.rowselectionmodel';\n\n\n\n// WEBPACK FOOTER //\n// ../plugins/index.js","import AutoTooltips from './slick.autotooltips';\nexport default AutoTooltips;\n\n\n\n// WEBPACK FOOTER //\n// ../plugins/slick.autotooltips/index.js","import $ from 'jquery';\n\nexport default AutoTooltips;\n\n  /**\n   * AutoTooltips plugin to show/hide tooltips when columns are too narrow to fit content.\n   * @constructor\n   * @param {boolean} [options.enableForCells=true]        - Enable tooltip for grid cells\n   * @param {boolean} [options.enableForHeaderCells=false] - Enable tooltip for header cells\n   * @param {number}  [options.maxToolTipLength=null]      - The maximum length for a tooltip\n   */\nfunction AutoTooltips(options){\n  let _grid;\n  const _self = this;\n  const _defaults = {\n    enableForCells: true,\n    enableForHeaderCells: false,\n    maxToolTipLength: null\n  };\n\n    /**\n     * Initialize plugin.\n     */\n  function init(grid){\n    options = Object.assign({}, _defaults, options);\n    _grid = grid;\n    if (options.enableForCells) _grid.onMouseEnter.subscribe(handleMouseEnter);\n    if (options.enableForHeaderCells) _grid.onHeaderMouseEnter.subscribe(handleHeaderMouseEnter);\n  }\n\n    /**\n     * Destroy plugin.\n     */\n  function destroy(){\n    if (options.enableForCells) _grid.onMouseEnter.unsubscribe(handleMouseEnter);\n    if (options.enableForHeaderCells) _grid.onHeaderMouseEnter.unsubscribe(handleHeaderMouseEnter);\n  }\n\n    /**\n     * Handle mouse entering grid cell to add/remove tooltip.\n     * @param {jQuery.Event} e - The event\n     */\n  function handleMouseEnter(e){\n    const cell = _grid.getCellFromEvent(e);\n    if (cell){\n      let $node = $(_grid.getCellNode(cell.row, cell.cell));\n      let text;\n      if ($node.innerWidth() < $node[0].scrollWidth){\n        text = $.trim($node.text());\n        if (options.maxToolTipLength && text.length > options.maxToolTipLength){\n          text = text.substr(0, options.maxToolTipLength - 3) + '...';\n        }\n      } else {\n        text = '';\n      }\n      $node.attr('title', text);\n    }\n  }\n\n    /**\n     * Handle mouse entering header cell to add/remove tooltip.\n     * @param {jQuery.Event} e     - The event\n     * @param {object} args.column - The column definition\n     */\n  function handleHeaderMouseEnter(e, args){\n    const column = args.column,\n      $node = $(e.target).closest('.slick-header-column');\n    if (column && !column.toolTip){\n      $node.attr('title', ($node.innerWidth() < $node[0].scrollWidth) ? column.name : '');\n    }\n  }\n\n    // Public API\n  Object.assign(this, {\n    init,\n    destroy\n  });\n}\n\n\n\n// WEBPACK FOOTER //\n// ../plugins/slick.autotooltips/slick.autotooltips.js","import CellCopyManager from './slick.cellcopymanager';\nexport default CellCopyManager;\n\n\n\n// WEBPACK FOOTER //\n// ../plugins/slick.cellcopymanager/index.js","import Slick from '../../src/slick.core';\nconst { keyCode } = Slick;\n\nexport default CellCopyManager;\n\nfunction CellCopyManager(){\n  var _grid;\n  var _self = this;\n  var _copiedRanges;\n\n  function init(grid){\n    _grid = grid;\n    _grid.onKeyDown.subscribe(handleKeyDown);\n  }\n\n  function destroy(){\n    _grid.onKeyDown.unsubscribe(handleKeyDown);\n  }\n\n  function handleKeyDown(e, args){\n    var ranges;\n    if (!_grid.getEditorLock().isActive()){\n      if (e.which == keyCode.ESCAPE){\n        if (_copiedRanges){\n          e.preventDefault();\n          clearCopySelection();\n          _self.onCopyCancelled.notify({ranges: _copiedRanges});\n          _copiedRanges = null;\n        }\n      }\n\n      if (e.which == 67 && (e.ctrlKey || e.metaKey)){\n        ranges = _grid.getSelectionModel().getSelectedRanges();\n        if (ranges.length != 0){\n          e.preventDefault();\n          _copiedRanges = ranges;\n          markCopySelection(ranges);\n          _self.onCopyCells.notify({ranges: ranges});\n        }\n      }\n\n      if (e.which == 86 && (e.ctrlKey || e.metaKey)){\n        if (_copiedRanges){\n          e.preventDefault();\n          clearCopySelection();\n          ranges = _grid.getSelectionModel().getSelectedRanges();\n          _self.onPasteCells.notify({from: _copiedRanges, to: ranges});\n          _copiedRanges = null;\n        }\n      }\n    }\n  }\n\n  function markCopySelection(ranges){\n    var columns = _grid.getColumns();\n    var hash = {};\n    for (var i = 0; i < ranges.length; i++){\n      for (var j = ranges[i].fromRow; j <= ranges[i].toRow; j++){\n        hash[j] = {};\n        for (var k = ranges[i].fromCell; k <= ranges[i].toCell; k++){\n          hash[j][columns[k].id] = 'copied';\n        }\n      }\n    }\n    _grid.setCellCssStyles('copy-manager', hash);\n  }\n\n  function clearCopySelection(){\n    _grid.removeCellCssStyles('copy-manager');\n  }\n\n  Object.assign(this, {\n    init,\n    destroy,\n    clearCopySelection,\n\n    onCopyCells: new Slick.Event(),\n    onCopyCancelled: new Slick.Event(),\n    onPasteCells: new Slick.Event()\n  });\n}\n\n\n\n// WEBPACK FOOTER //\n// ../plugins/slick.cellcopymanager/slick.cellcopymanager.js","import CellRangeDecorator from './slick.cellrangedecorator';\nexport default CellRangeDecorator;\n\n\n\n// WEBPACK FOOTER //\n// ../plugins/slick.cellrangedecorator/index.js","import CellRangeDecorator from './slick.cellrangeselector';\nexport default CellRangeDecorator;\n\n\n\n// WEBPACK FOOTER //\n// ../plugins/slick.cellrangeselector/index.js","import CellSelectionModel from './slick.cellselectionmodel';\nexport default CellSelectionModel;\n\n\n\n// WEBPACK FOOTER //\n// ../plugins/slick.cellselectionmodel/index.js","import Slick from '../../src/slick.core';\nimport CellRangeSelector from '../slick.cellrangeselector/slick.cellrangeselector';\n\nexport default CellSelectionModel;\n\nfunction CellSelectionModel(options = {\n  selectActiveCell: true\n}){\n  let _grid;\n  let _canvas;\n  let _ranges = [];\n  const _self = this;\n  const _selector = new CellRangeSelector({\n    selectionCss: {\n      border: '2px solid black'\n    }\n  });\n  let _options;\n  const _defaults = {\n    selectActiveCell: true\n  };\n\n  function init(grid){\n    _options = Object.assign({}, options);\n    _grid = grid;\n    _canvas = _grid.getCanvasNode();\n    _grid.onActiveCellChanged.subscribe(handleActiveCellChange);\n    _grid.onKeyDown.subscribe(handleKeyDown);\n    grid.registerPlugin(_selector);\n    _selector.onCellRangeSelected.subscribe(handleCellRangeSelected);\n    _selector.onBeforeCellRangeSelected.subscribe(handleBeforeCellRangeSelected);\n  }\n\n  function destroy(){\n    _grid.onActiveCellChanged.unsubscribe(handleActiveCellChange);\n    _grid.onKeyDown.unsubscribe(handleKeyDown);\n    _selector.onCellRangeSelected.unsubscribe(handleCellRangeSelected);\n    _selector.onBeforeCellRangeSelected.unsubscribe(handleBeforeCellRangeSelected);\n    _grid.unregisterPlugin(_selector);\n  }\n\n  function removeInvalidRanges(ranges){\n    const result = [];\n\n    for (let i = 0; i < ranges.length; i++){\n      const r = ranges[i];\n      if (_grid.canCellBeSelected(r.fromRow, r.fromCell) && _grid.canCellBeSelected(r.toRow, r.toCell)){\n        result.push(r);\n      }\n    }\n\n    return result;\n  }\n\n  function setSelectedRanges(ranges){\n    // simle check for: empty selection didn't change, prevent firing onSelectedRangesChanged\n    if ((!_ranges || _ranges.length === 0) && (!ranges || ranges.length === 0)){\n      return;\n    }\n\n    _ranges = removeInvalidRanges(ranges);\n    _self.onSelectedRangesChanged.notify(_ranges);\n  }\n\n  function getSelectedRanges(){\n    return _ranges;\n  }\n\n  function handleBeforeCellRangeSelected(e, args){\n    if (_grid.getEditorLock().isActive()){\n      e.stopPropagation();\n      return false;\n    }\n  }\n\n  function handleCellRangeSelected(e, args){\n    setSelectedRanges([args.range]);\n  }\n\n  function handleActiveCellChange(e, args){\n    if (_options.selectActiveCell && args.row != null && args.cell != null){\n      setSelectedRanges([new Slick.Range(args.row, args.cell)]);\n    }\n  }\n\n  function handleKeyDown(e){\n    /** *\n     * Кey codes\n     * 37 left\n     * 38 up\n     * 39 right\n     * 40 down\n     */\n    let ranges, last;\n    const active = _grid.getActiveCell();\n\n    if (active && e.shiftKey && !e.ctrlKey && !e.altKey &&\n      (e.which == 37 || e.which == 39 || e.which == 38 || e.which == 40)){\n      ranges = getSelectedRanges();\n      if (!ranges.length)\n        ranges.push(new Slick.Range(active.row, active.cell));\n\n      // keyboard can work with last range only\n      last = ranges.pop();\n\n      // can't handle selection out of active cell\n      if (!last.contains(active.row, active.cell))\n        last = new Slick.Range(active.row, active.cell);\n\n      let dRow = last.toRow - last.fromRow,\n        dCell = last.toCell - last.fromCell,\n        // walking direction\n        dirRow = active.row == last.fromRow ? 1 : -1,\n        dirCell = active.cell == last.fromCell ? 1 : -1;\n\n      if (e.which == 37){\n        dCell -= dirCell;\n      } else if (e.which == 39){\n        dCell += dirCell;\n      } else if (e.which == 38){\n        dRow -= dirRow;\n      } else if (e.which == 40){\n        dRow += dirRow;\n      }\n\n      // define new selection range\n      const new_last = new Slick.Range(active.row, active.cell, active.row + dirRow * dRow, active.cell + dirCell * dCell);\n      if (removeInvalidRanges([new_last]).length){\n        ranges.push(new_last);\n        const viewRow = dirRow > 0 ? new_last.toRow : new_last.fromRow;\n        const viewCell = dirCell > 0 ? new_last.toCell : new_last.fromCell;\n        _grid.scrollRowIntoView(viewRow);\n        _grid.scrollCellIntoView(viewRow, viewCell);\n      }\n      else\n        ranges.push(last);\n\n      setSelectedRanges(ranges);\n\n      e.preventDefault();\n      e.stopPropagation();\n    }\n  }\n\n  Object.assign(this, {\n    getSelectedRanges,\n    setSelectedRanges,\n\n    init,\n    destroy,\n\n    onSelectedRangesChanged: new Slick.Event()\n  });\n}\n\n\n\n// WEBPACK FOOTER //\n// ../plugins/slick.cellselectionmodel/slick.cellselectionmodel.js","import CheckboxSelectColumn from './slick.checkboxselectcolumn';\nexport default CheckboxSelectColumn;\n\n\n\n// WEBPACK FOOTER //\n// ../plugins/slick.checkboxselectcolumn/index.js","import $ from 'jquery';\nimport Slick from '../../src/slick.core';\n\nexport default CheckboxSelectColumn;\n\nfunction CheckboxSelectColumn(options){\n  let _grid;\n  const _self = this;\n  const _handler = new Slick.EventHandler();\n  let _selectedRowsLookup = {};\n  const _defaults = {\n    columnId: '_checkbox_selector',\n    cssClass: null,\n    toolTip: 'Select/Deselect All',\n    width: 30\n  };\n\n  const _options = $.extend(true, {}, _defaults, options);\n\n  function init(grid){\n    _grid = grid;\n    _handler\n      .subscribe(_grid.onSelectedRowsChanged, handleSelectedRowsChanged)\n      .subscribe(_grid.onClick, handleClick)\n      .subscribe(_grid.onHeaderClick, handleHeaderClick)\n      .subscribe(_grid.onKeyDown, handleKeyDown);\n  }\n\n  function destroy(){\n    _handler.unsubscribeAll();\n  }\n\n  function handleSelectedRowsChanged(e, args){\n    let selectedRows = _grid.getSelectedRows();\n    let lookup = {}, row, i;\n    for (i = 0; i < selectedRows.length; i++){\n      row = selectedRows[i];\n      lookup[row] = true;\n      if (lookup[row] !== _selectedRowsLookup[row]){\n        _grid.invalidateRow(row);\n        delete _selectedRowsLookup[row];\n      }\n    }\n    for (i in _selectedRowsLookup){\n      _grid.invalidateRow(i);\n    }\n    _selectedRowsLookup = lookup;\n    _grid.render();\n\n    if (selectedRows.length && selectedRows.length == _grid.getDataLength()){\n      _grid.updateColumnHeader(_options.columnId, \"<input type='checkbox' checked='checked'>\", _options.toolTip);\n    } else {\n      _grid.updateColumnHeader(_options.columnId, \"<input type='checkbox'>\", _options.toolTip);\n    }\n  }\n\n  function handleKeyDown(e, args){\n    if (e.which == 32){\n      if (_grid.getColumns()[args.cell].id === _options.columnId){\n        // if editing, try to commit\n        if (!_grid.getEditorLock().isActive() || _grid.getEditorLock().commitCurrentEdit()){\n          toggleRowSelection(args.row);\n        }\n        e.preventDefault();\n        e.stopImmediatePropagation();\n      }\n    }\n  }\n\n  function handleClick(e, args){\n    // clicking on a row select checkbox\n    if (_grid.getColumns()[args.cell].id === _options.columnId && $(e.target).is(':checkbox')){\n      // if editing, try to commit\n      if (_grid.getEditorLock().isActive() && !_grid.getEditorLock().commitCurrentEdit()){\n        e.preventDefault();\n        e.stopImmediatePropagation();\n        return;\n      }\n\n      toggleRowSelection(args.row);\n      e.stopPropagation();\n      e.stopImmediatePropagation();\n    }\n  }\n\n  function toggleRowSelection(row){\n    if (_selectedRowsLookup[row]){\n      _grid.setSelectedRows($.grep(_grid.getSelectedRows(), function(n){\n        return n != row;\n      }));\n    } else {\n      _grid.setSelectedRows(_grid.getSelectedRows().concat(row));\n    }\n  }\n\n  function handleHeaderClick(e, args){\n    if (args.column.id == _options.columnId && $(e.target).is(':checkbox')){\n      // if editing, try to commit\n      if (_grid.getEditorLock().isActive() && !_grid.getEditorLock().commitCurrentEdit()){\n        e.preventDefault();\n        e.stopImmediatePropagation();\n        return;\n      }\n\n      if ($(e.target).is(':checked')){\n        const rows = [];\n        for (let i = 0; i < _grid.getDataLength(); i++){\n          rows.push(i);\n        }\n        _grid.setSelectedRows(rows);\n      } else {\n        _grid.setSelectedRows([]);\n      }\n      e.stopPropagation();\n      e.stopImmediatePropagation();\n    }\n  }\n\n  function getColumnDefinition(){\n    return {\n      id: _options.columnId,\n      name: \"<input type='checkbox'>\",\n      toolTip: _options.toolTip,\n      field: 'sel',\n      width: _options.width,\n      resizable: false,\n      sortable: false,\n      cssClass: _options.cssClass,\n      formatter: checkboxSelectionFormatter\n    };\n  }\n\n  function checkboxSelectionFormatter(row, cell, value, columnDef, dataContext){\n    if (dataContext){\n      return _selectedRowsLookup[row]\n        ? \"<input type='checkbox' checked='checked'>\"\n        : \"<input type='checkbox'>\";\n    }\n    return null;\n  }\n\n  Object.assign(this, {\n    init,\n    destroy,\n\n    getColumnDefinition\n  });\n}\n\n\n\n// WEBPACK FOOTER //\n// ../plugins/slick.checkboxselectcolumn/slick.checkboxselectcolumn.js","import HeaderButtons from './slick.headerbuttons';\nexport default HeaderButtons;\n\n\n\n// WEBPACK FOOTER //\n// ../plugins/slick.headerbuttons/index.js","import $ from 'jquery';\nimport Slick from '../../src/slick.core';\n\nexport default HeaderButtons;\n/** *\n * A plugin to add custom buttons to column headers.\n *\n * USAGE:\n *\n * Add the plugin .js & .css files and register it with the grid.\n *\n * To specify a custom button in a column header, extend the column definition like so:\n *\n *   var columns = [\n *     {\n *       id: 'myColumn',\n *       name: 'My column',\n *\n *       // This is the relevant part\n *       header: {\n *          buttons: [\n *              {\n *                // button options\n *              },\n *              {\n *                // button options\n *              }\n *          ]\n *       }\n *     }\n *   ];\n *\n * Available button options:\n *    cssClass:     CSS class to add to the button.\n *    image:        Relative button image path.\n *    tooltip:      Button tooltip.\n *    showOnHover:  Only show the button on hover.\n *    handler:      Button click handler.\n *    command:      A command identifier to be passed to the onCommand event handlers.\n *\n * The plugin exposes the following events:\n *    onCommand:    Fired on button click for buttons with 'command' specified.\n *        Event args:\n *            grid:     Reference to the grid.\n *            column:   Column definition.\n *            command:  Button command identified.\n *            button:   Button options.  Note that you can change the button options in your\n *                      event handler, and the column header will be automatically updated to\n *                      reflect them.  This is useful if you want to implement something like a\n *                      toggle button.\n *\n *\n * @param options {Object} Options:\n *    buttonCssClass:   a CSS class to use for buttons (default 'slick-header-button')\n * @class Slick.Plugins.HeaderButtons\n * @constructor\n */\nfunction HeaderButtons(options){\n  var _grid;\n  var _self = this;\n  var _handler = new Slick.EventHandler();\n  var _defaults = {\n    buttonCssClass: 'slick-header-button'\n  };\n\n  function init(grid){\n    options = Object.assign({}, _defaults, options);\n    _grid = grid;\n    _handler\n      .subscribe(_grid.onHeaderCellRendered, handleHeaderCellRendered)\n      .subscribe(_grid.onBeforeHeaderCellDestroy, handleBeforeHeaderCellDestroy);\n\n    // Force the grid to re-render the header now that the events are hooked up.\n    _grid.setColumns(_grid.getColumns());\n  }\n\n  function destroy(){\n    _handler.unsubscribeAll();\n  }\n\n  function handleHeaderCellRendered(e, args){\n    var column = args.column;\n\n    if (column.header && column.header.buttons){\n      // Append buttons in reverse order since they are floated to the right.\n      var i = column.header.buttons.length;\n      while (i--){\n        var button = column.header.buttons[i];\n        var btn = $('<div></div>')\n          .addClass(options.buttonCssClass)\n          .data('column', column)\n          .data('button', button);\n\n        if (button.showOnHover){\n          btn.addClass('slick-header-button-hidden');\n        }\n\n        if (button.image){\n          btn.css('backgroundImage', 'url(' + button.image + ')');\n        }\n\n        if (button.cssClass){\n          btn.addClass(button.cssClass);\n        }\n\n        if (button.tooltip){\n          btn.attr('title', button.tooltip);\n        }\n\n        if (button.command){\n          btn.data('command', button.command);\n        }\n\n        if (button.handler){\n          btn.bind('click', button.handler);\n        }\n\n        btn\n          .bind('click', handleButtonClick)\n          .appendTo(args.node);\n        args.node.classList.add('has-buttons');\n      }\n    }\n  }\n\n  function handleBeforeHeaderCellDestroy(e, args){\n    var column = args.column;\n\n    if (column.header && column.header.buttons){\n      // Removing buttons via jQuery will also clean up any event handlers and data.\n      // NOTE: If you attach event handlers directly or using a different framework,\n      //       you must also clean them up here to avoid memory leaks.\n      $(args.node).find(`.${options.buttonCssClass}`).remove();\n    }\n  }\n\n  function handleButtonClick(e){\n    var command = $(this).data('command');\n    var columnDef = $(this).data('column');\n    var button = $(this).data('button');\n\n    if (command != null){\n      _self.onCommand.notify({\n        'grid': _grid,\n        'column': columnDef,\n        'command': command,\n        'button': button\n      }, e, _self);\n\n      // Update the header in case the user updated the button definition in the handler.\n      _grid.updateColumnHeader(columnDef.id);\n    }\n\n    // Stop propagation so that it doesn't register as a header click event.\n    e.preventDefault();\n    e.stopPropagation();\n  }\n\n  Object.assign(this, {\n    init,\n    destroy,\n\n    'onCommand': new Slick.Event()\n  });\n}\n\n\n\n// WEBPACK FOOTER //\n// ../plugins/slick.headerbuttons/slick.headerbuttons.js","import HeaderMenu from './slick.headermenu';\nexport default HeaderMenu;\n\n\n\n// WEBPACK FOOTER //\n// ../plugins/slick.headermenu/index.js","import $ from 'jquery';\nimport Slick from '../../src/slick.core';\n\n// import './slick.headermenu.css';\n\nexport default HeaderMenu;\n\n/** *\n * A plugin to add drop-down menus to column headers.\n *\n * USAGE:\n *\n * Add the plugin .js & .css files and register it with the grid.\n *\n * To specify a menu in a column header, extend the column definition like so:\n *\n *   const columns = [\n *     {\n *       id: 'myColumn',\n *       name: 'My column',\n *\n *       // This is the relevant part\n *       header: {\n *          menu: {\n *              items: [\n *                {\n *                  // menu item options\n *                },\n *                {\n *                  // menu item options\n *                }\n *              ]\n *          }\n *       }\n *     }\n *   ];\n *\n *\n * Available menu options:\n *    tooltip:      Menu button tooltip.\n *\n *\n * Available menu item options:\n *    title:        Menu item text.\n *    disabled:     Whether the item is disabled.\n *    tooltip:      Item tooltip.\n *    command:      A command identifier to be passed to the onCommand event handlers.\n *    iconCssClass: A CSS class to be added to the menu item icon.\n *    iconImage:    A url to the icon image.\n *\n *\n * The plugin exposes the following events:\n *    onBeforeMenuShow:   Fired before the menu is shown.  You can customize the menu or dismiss it by returning false.\n *        Event args:\n *            grid:     Reference to the grid.\n *            column:   Column definition.\n *            menu:     Menu options.  Note that you can change the menu items here.\n *\n *    onCommand:    Fired on menu item click for buttons with 'command' specified.\n *        Event args:\n *            grid:     Reference to the grid.\n *            column:   Column definition.\n *            command:  Button command identified.\n *            button:   Button options.  Note that you can change the button options in your\n *                      event handler, and the column header will be automatically updated to\n *                      reflect them.  This is useful if you want to implement something like a\n *                      toggle button.\n *\n *\n * @param options {Object} Options:\n *    buttonCssClass:   an extra CSS class to add to the menu button\n *    buttonImage:      a url to the menu button image (default '../images/down.gif')\n * @class Slick.Plugins.HeaderButtons\n * @constructor\n */\nfunction HeaderMenu(options){\n  let _grid;\n  const _self = this;\n  const _handler = new Slick.EventHandler();\n  const _defaults = {\n    buttonCssClass: null,\n    buttonImage: null\n  };\n\n  let $menu;\n  let $activeHeaderColumn;\n\n  function init(grid){\n    options = Object.assign({}, _defaults, options);\n    _grid = grid;\n    _handler\n      .subscribe(_grid.onHeaderCellRendered, handleHeaderCellRendered)\n      .subscribe(_grid.onBeforeHeaderCellDestroy, handleBeforeHeaderCellDestroy);\n\n    // Force the grid to re-render the header now that the events are hooked up.\n    _grid.setColumns(_grid.getColumns());\n\n    // Hide the menu on outside click.\n    $(document.body).bind('mousedown', handleBodyMouseDown);\n  }\n\n  function destroy(){\n    _handler.unsubscribeAll();\n    $(document.body).unbind('mousedown', handleBodyMouseDown);\n  }\n\n  function handleBodyMouseDown(e){\n    if ($menu && $menu[0] != e.target && !$.contains($menu[0], e.target)){\n      hideMenu();\n    }\n  }\n\n  function hideMenu(){\n    if ($menu){\n      $menu.remove();\n      $menu = null;\n      $activeHeaderColumn\n        .removeClass('slick-header-column-active');\n    }\n  }\n\n  function handleHeaderCellRendered(e, args){\n    const column = args.column;\n    const menu = column.header && column.header.menu;\n\n    if (menu){\n      const $el = $('<div></div>')\n        .addClass('slick-header-menubutton')\n        .data('column', column)\n        .data('menu', menu);\n\n      if (options.buttonCssClass){\n        $el.addClass(options.buttonCssClass);\n      }\n\n      if (options.buttonImage){\n        $el.css('background-image', 'url(' + options.buttonImage + ')');\n      }\n\n      if (menu.tooltip){\n        $el.attr('title', menu.tooltip);\n      }\n\n      $el\n        .bind('click', showMenu)\n        .appendTo(args.node);\n    }\n  }\n\n  function handleBeforeHeaderCellDestroy(e, args){\n    const column = args.column;\n\n    if (column.header && column.header.menu){\n      $(args.node).find('.slick-header-menubutton').remove();\n    }\n  }\n\n  function showMenu(e){\n    const $menuButton = $(this);\n    const menu = $menuButton.data('menu');\n    const columnDef = $menuButton.data('column');\n\n    // Let the user modify the menu or cancel altogether,\n    // or provide alternative menu implementation.\n    if (_self.onBeforeMenuShow.notify({\n      'grid': _grid,\n      'column': columnDef,\n      'menu': menu\n    }, e, _self) == false){\n      return;\n    }\n\n    if (!$menu){\n      $menu = $(\"<div class='slick-header-menu'></div>\")\n        .appendTo(_grid.getContainerNode());\n    }\n    $menu.empty();\n\n    // Construct the menu items.\n    for (let i = 0; i < menu.items.length; i++){\n      const item = menu.items[i];\n\n      const $li = $(\"<div class='slick-header-menuitem'></div>\")\n        .data('command', item.command || '')\n        .data('column', columnDef)\n        .data('item', item)\n        .bind('click', handleMenuItemClick)\n        .appendTo($menu);\n\n      if (item.disabled){\n        $li.addClass('slick-header-menuitem-disabled');\n      }\n\n      if (item.tooltip){\n        $li.attr('title', item.tooltip);\n      }\n\n      const $icon = $(\"<div class='slick-header-menuicon'></div>\")\n        .appendTo($li);\n\n      if (item.iconCssClass){\n        $icon.addClass(item.iconCssClass);\n      }\n\n      if (item.iconImage){\n        $icon.css('background-image', 'url(' + item.iconImage + ')');\n      }\n\n      $(\"<span class='slick-header-menucontent'></span>\")\n        .text(item.title)\n        .appendTo($li);\n    }\n\n    // Position the menu.\n    $menu\n      .offset({ top: $(this).offset().top + $(this).height(), left: $(this).offset().left });\n\n    // Mark the header as active to keep the highlighting.\n    $activeHeaderColumn = $menuButton.closest('.slick-header-column');\n    $activeHeaderColumn\n      .addClass('slick-header-column-active');\n\n    // Stop propagation so that it doesn't register as a header click event.\n    e.preventDefault();\n    e.stopPropagation();\n  }\n\n  function handleMenuItemClick(e){\n    const command = $(this).data('command');\n    const columnDef = $(this).data('column');\n    const item = $(this).data('item');\n\n    if (item.disabled){\n      return;\n    }\n\n    hideMenu();\n\n    if (command != null && command != ''){\n      _self.onCommand.notify({\n        'grid': _grid,\n        'column': columnDef,\n        'command': command,\n        'item': item\n      }, e, _self);\n    }\n\n    // Stop propagation so that it doesn't register as a header click event.\n    e.preventDefault();\n    e.stopPropagation();\n  }\n\n  Object.assign(this, {\n    init,\n    destroy,\n\n    'onBeforeMenuShow': new Slick.Event(),\n    'onCommand': new Slick.Event()\n  });\n}\n\n\n\n// WEBPACK FOOTER //\n// ../plugins/slick.headermenu/slick.headermenu.js","import RowMoveManager from './slick.rowmovemanager';\nexport default RowMoveManager;\n\n\n\n// WEBPACK FOOTER //\n// ../plugins/slick.rowmovemanager/index.js","import Slick from '../../src/slick.core';\n\nexport default RowMoveManager;\n\nfunction RowMoveManager(options){\n  let _grid;\n  let _canvas;\n  let _dragging;\n  const _self = this;\n  const _handler = new Slick.EventHandler();\n  const _defaults = {\n    cancelEditOnDrag: false\n  };\n\n  function init(grid){\n    options = Object.assign({}, _defaults, options);\n    _grid = grid;\n    _canvas = _grid.getCanvasNode();\n    _handler\n      .subscribe(_grid.onDragInit, handleDragInit)\n      .subscribe(_grid.onDragStart, handleDragStart)\n      .subscribe(_grid.onDrag, handleDrag)\n      .subscribe(_grid.onDragEnd, handleDragEnd);\n  }\n\n  function destroy(){\n    _handler.unsubscribeAll();\n  }\n\n  function handleDragInit(e, dd){\n    // prevent the grid from cancelling drag'n'drop by default\n    e.stopImmediatePropagation();\n  }\n\n  function handleDragStart(e, dd){\n    const cell = _grid.getCellFromEvent(e);\n\n    if (options.cancelEditOnDrag && _grid.getEditorLock().isActive()){\n      _grid.getEditorLock().cancelCurrentEdit();\n    }\n\n    if (_grid.getEditorLock().isActive() || !/move|selectAndMove/.test(_grid.getColumns()[cell.cell].behavior)){\n      return false;\n    }\n\n    _dragging = true;\n    e.stopImmediatePropagation();\n\n    let selectedRows = _grid.getSelectedRows();\n\n    if (selectedRows.length == 0 || $.inArray(cell.row, selectedRows) == -1){\n      selectedRows = [cell.row];\n      _grid.setSelectedRows(selectedRows);\n    }\n\n    const rowHeight = _grid.getOptions().rowHeight;\n\n    dd.selectedRows = selectedRows;\n\n    dd.selectionProxy = $(\"<div class='slick-reorder-proxy'/>\")\n      .css('position', 'absolute')\n      .css('zIndex', '99999')\n      .css('width', $(_canvas).innerWidth())\n      .css('height', rowHeight * selectedRows.length)\n      .appendTo(_canvas);\n\n    dd.guide = $(\"<div class='slick-reorder-guide'/>\")\n      .css('position', 'absolute')\n      .css('zIndex', '99998')\n      .css('width', $(_canvas).innerWidth())\n      .css('top', -1000)\n      .appendTo(_canvas);\n\n    dd.insertBefore = -1;\n  }\n\n  function handleDrag(e, dd){\n    if (!_dragging){\n      return;\n    }\n\n    e.stopImmediatePropagation();\n\n    const top = e.pageY - $(_canvas).offset().top;\n    dd.selectionProxy.css('top', top - 5);\n\n    const insertBefore = Math.max(0, Math.min(Math.round(top / _grid.getOptions().rowHeight), _grid.getDataLength()));\n    if (insertBefore !== dd.insertBefore){\n      const eventData = {\n        'rows': dd.selectedRows,\n        'insertBefore': insertBefore\n      };\n\n      if (_self.onBeforeMoveRows.notify(eventData) === false){\n        dd.guide.css('top', -1000);\n        dd.canMove = false;\n      } else {\n        dd.guide.css('top', insertBefore * _grid.getOptions().rowHeight);\n        dd.canMove = true;\n      }\n\n      dd.insertBefore = insertBefore;\n    }\n  }\n\n  function handleDragEnd(e, dd){\n    if (!_dragging){\n      return;\n    }\n    _dragging = false;\n    e.stopImmediatePropagation();\n\n    dd.guide.remove();\n    dd.selectionProxy.remove();\n\n    if (dd.canMove){\n      const eventData = {\n        'rows': dd.selectedRows,\n        'insertBefore': dd.insertBefore\n      };\n      // TODO:  _grid.remapCellCssClasses ?\n      _self.onMoveRows.notify(eventData);\n    }\n  }\n\n  Object.assign(this, {\n    'onBeforeMoveRows': new Slick.Event(),\n    'onMoveRows': new Slick.Event(),\n    init,\n    destroy\n  });\n}\n\n\n\n// WEBPACK FOOTER //\n// ../plugins/slick.rowmovemanager/slick.rowmovemanager.js","import RowSelectionModel from './slick.rowselectionmodel';\nexport default RowSelectionModel;\n\n\n\n// WEBPACK FOOTER //\n// ../plugins/slick.rowselectionmodel/index.js","import $ from 'jquery';\nimport Slick from '../../src/slick.core';\n\nexport default RowSelectionModel;\n\nfunction RowSelectionModel(options){\n  let _grid;\n  let _ranges = [];\n  const _self = this;\n  const _handler = new Slick.EventHandler();\n  let _inHandler;\n  let _options;\n  const _defaults = {\n    selectActiveRow: true\n  };\n\n  function init(grid){\n    _options = Object.assign({}, _defaults, options);\n    _grid = grid;\n    _handler.subscribe(_grid.onActiveCellChanged,\n      wrapHandler(handleActiveCellChange));\n    _handler.subscribe(_grid.onKeyDown,\n      wrapHandler(handleKeyDown));\n    _handler.subscribe(_grid.onClick,\n      wrapHandler(handleClick));\n  }\n\n  function destroy(){\n    _handler.unsubscribeAll();\n  }\n\n  function wrapHandler(handler){\n    return function(){\n      if (!_inHandler){\n        _inHandler = true;\n        handler.apply(this, arguments);\n        _inHandler = false;\n      }\n    };\n  }\n\n  function rangesToRows(ranges){\n    const rows = [];\n    for (let i = 0; i < ranges.length; i++){\n      for (let j = ranges[i].fromRow; j <= ranges[i].toRow; j++){\n        rows.push(j);\n      }\n    }\n    return rows;\n  }\n\n  function rowsToRanges(rows){\n    const ranges = [];\n    const lastCell = _grid.getColumns().length - 1;\n    for (let i = 0; i < rows.length; i++){\n      ranges.push(new Slick.Range(rows[i], 0, rows[i], lastCell));\n    }\n    return ranges;\n  }\n\n  function getRowsRange(from, to){\n    let i;\n    const rows = [];\n    for (i = from; i <= to; i++){\n      rows.push(i);\n    }\n    for (i = to; i < from; i++){\n      rows.push(i);\n    }\n    return rows;\n  }\n\n  function getSelectedRows(){\n    return rangesToRows(_ranges);\n  }\n\n  function setSelectedRows(rows){\n    setSelectedRanges(rowsToRanges(rows));\n  }\n\n  function setSelectedRanges(ranges){\n    // simle check for: empty selection didn't change, prevent firing onSelectedRangesChanged\n    if ((!_ranges || _ranges.length === 0) && (!ranges || ranges.length === 0)){\n      return;\n    }\n    _ranges = ranges;\n    _self.onSelectedRangesChanged.notify(_ranges);\n  }\n\n  function getSelectedRanges(){\n    return _ranges;\n  }\n\n  function handleActiveCellChange(e, data){\n    if (_options.selectActiveRow && data.row != null){\n      setSelectedRanges([new Slick.Range(data.row, 0, data.row, _grid.getColumns().length - 1)]);\n    }\n  }\n\n  function handleKeyDown(e){\n    const activeRow = _grid.getActiveCell();\n    if (activeRow && e.shiftKey && !e.ctrlKey && !e.altKey && !e.metaKey && (e.which == 38 || e.which == 40)){\n      let selectedRows = getSelectedRows();\n      selectedRows.sort(function(x, y){\n        return x - y;\n      });\n\n      if (!selectedRows.length){\n        selectedRows = [activeRow.row];\n      }\n\n      let top = selectedRows[0];\n      let bottom = selectedRows[selectedRows.length - 1];\n      let active;\n\n      if (e.which == 40){\n        active = activeRow.row < bottom || top == bottom ? ++bottom : ++top;\n      } else {\n        active = activeRow.row < bottom ? --bottom : --top;\n      }\n\n      if (active >= 0 && active < _grid.getDataLength()){\n        _grid.scrollRowIntoView(active);\n        _ranges = rowsToRanges(getRowsRange(top, bottom));\n        setSelectedRanges(_ranges);\n      }\n\n      e.preventDefault();\n      e.stopPropagation();\n    }\n  }\n\n  function handleClick(e){\n    const cell = _grid.getCellFromEvent(e);\n    if (!cell || !_grid.canCellBeActive(cell.row, cell.cell)){\n      return false;\n    }\n\n    if (!_grid.getOptions().multiSelect || (\n      !e.ctrlKey && !e.shiftKey && !e.metaKey)){\n      return false;\n    }\n\n    let selection = rangesToRows(_ranges);\n    const idx = $.inArray(cell.row, selection);\n\n    if (idx === -1 && (e.ctrlKey || e.metaKey)){\n      selection.push(cell.row);\n      _grid.setActiveCell(cell.row, cell.cell);\n    } else if (idx !== -1 && (e.ctrlKey || e.metaKey)){\n      selection = $.grep(selection, function(o, i){\n        return (o !== cell.row);\n      });\n      _grid.setActiveCell(cell.row, cell.cell);\n    } else if (selection.length && e.shiftKey){\n      const last = selection.pop();\n      const from = Math.min(cell.row, last);\n      const to = Math.max(cell.row, last);\n      selection = [];\n      for (let i = from; i <= to; i++){\n        if (i !== last){\n          selection.push(i);\n        }\n      }\n      selection.push(last);\n      _grid.setActiveCell(cell.row, cell.cell);\n    }\n\n    _ranges = rowsToRanges(selection);\n    setSelectedRanges(_ranges);\n    e.stopImmediatePropagation();\n\n    return true;\n  }\n\n  Object.assign(this, {\n    getSelectedRows,\n    setSelectedRows,\n\n    getSelectedRanges,\n    setSelectedRanges,\n\n    init,\n    destroy,\n\n    'onSelectedRangesChanged': new Slick.Event()\n  });\n}\n\n\n\n// WEBPACK FOOTER //\n// ../plugins/slick.rowselectionmodel/slick.rowselectionmodel.js","import Slick from './slick.core';\nimport Editors from './slick.editors';\nimport Data from './slick.dataview';\nimport Grid from './slick.grid';\nimport FrozenGrid from './slick-frozen.grid';\nimport Formatters from './slick.formatters';\nimport * as Plugins from '../plugins';\n\nexport {\n  Slick,\n  Editors,\n  Formatters,\n  Data,\n  Grid,\n  FrozenGrid,\n  Plugins\n}\n\n\n\n// WEBPACK FOOTER //\n// ../src/index.js","/**\n * @license\n * (c) 2009-2013 Michael Leibman\n * michael{dot}leibman{at}gmail{dot}com\n * http://github.com/mleibman/slickgrid\n *\n * Distributed under MIT license.\n * All rights reserved.\n *\n * SlickGrid v2.2\n *\n * NOTES:\n *     Cell/row DOM manipulations are done directly bypassing jQuery's DOM manipulation methods.\n *     This increases the speed dramatically, but can only be done safely because there are no event handlers\n *     or data associated with any cell/row DOM nodes.  Cell editors must make sure they implement .destroy()\n *     and do proper cleanup.\n */\n\nimport $ from 'jquery';\nimport interact from './interact.js';\n\nimport Slick from './slick.core';\n\n// Slick.Grid globals pretense\nSlick.FrozenGrid = SlickGrid;\n\nexport default SlickGrid;\n\n// shared across all grids on the page\nvar scrollbarDimensions;\nvar maxSupportedCssHeight; // browser's breaking point\n\n//////////////////////////////////////////////////////////////////////////////////////////////\n// SlickGrid class implementation (available as Slick.Grid)\n\n/**\n * Creates a new instance of the grid.\n * @class SlickGrid\n * @constructor\n * @param {Node}              container   Container node to create the grid in.\n * @param {Array,Object}      data        An array of objects for databinding.\n * @param {Array}             columns     An array of column definitions.\n * @param {Object}            options     Grid options.\n **/\nfunction SlickGrid(container, data, columns, options){\n  // settings\n  var defaults = {\n    explicitInitialization: false,\n    rowHeight: 25,\n    defaultColumnWidth: 80,\n    enableAddRow: false,\n    leaveSpaceForNewRows: false,\n    editable: false,\n    autoEdit: true,\n    enableCellNavigation: true,\n    enableColumnReorder: true,\n    asyncEditorLoading: false,\n    asyncEditorLoadDelay: 100,\n    forceFitColumns: false,\n    enableAsyncPostRender: false,\n    asyncPostRenderDelay: 50,\n    autoHeight: false,\n    editorLock: Slick.GlobalEditorLock,\n    showHeaderRow: false,\n    headerRowHeight: 25,\n    showFooterRow: false,\n    footerRowHeight: 25,\n    showTopPanel: false,\n    topPanelHeight: 25,\n    formatterFactory: null,\n    editorFactory: null,\n    cellFlashingCssClass: \"flashing\",\n    selectedCellCssClass: \"selected\",\n    multiSelect: true,\n    enableTextSelectionOnCells: false,\n    dataItemColumnValueExtractor: null,\n    frozenBottom: false,\n    frozenColumn: -1,\n    frozenRow: -1,\n    fullWidthRows: false,\n    multiColumnSort: false,\n    defaultFormatter: defaultFormatter,\n    forceSyncScrolling: false,\n    addNewRowCssClass: \"new-row\"\n  };\n\n  var columnDefaults = {\n    name: \"\",\n    resizable: true,\n    sortable: false,\n    minWidth: 30,\n    rerenderOnResize: false,\n    headerCssClass: null,\n    defaultSortAsc: true,\n    focusable: true,\n    selectable: true\n  };\n\n  // scroller\n  var th; // virtual height\n  var h; // real scrollable height\n  var ph; // page height\n  var n; // number of pages\n  var cj; // \"jumpiness\" coefficient\n\n  var page = 0; // current page\n  var offset = 0; // current page offset\n  var vScrollDir = 1;\n\n  // private\n  var initialized = false;\n  var $container;\n  var uid = \"slickgrid_\" + Math.round(1000000 * Math.random());\n  var self = this;\n  var $focusSink, $focusSink2;\n  var $groupHeaders = $();\n  var $headerScroller;\n  var $headers;\n  var $headerRow, $headerRowScroller, $headerRowSpacerL, $headerRowSpacerR;\n  var $footerRow, $footerRowScroller, $footerRowSpacerL, $footerRowSpacerR;\n  var $topPanelScroller;\n  var $topPanel;\n  var $viewport;\n  var $canvas;\n  var $style;\n  var $boundAncestors;\n  var treeColumns;\n  var stylesheet, columnCssRulesL, columnCssRulesR;\n  var viewportH, viewportW;\n  var canvasWidth, canvasWidthL, canvasWidthR;\n  var headersWidth, headersWidthL, headersWidthR;\n  var viewportHasHScroll, viewportHasVScroll;\n  var headerColumnWidthDiff = 0,\n    headerColumnHeightDiff = 0, // border+padding\n    cellWidthDiff = 0,\n    cellHeightDiff = 0;\n  var absoluteColumnMinWidth;\n  var hasFrozenRows = false;\n  var frozenRowsHeight = 0;\n  var actualFrozenRow = -1;\n  var paneTopH = 0;\n  var paneBottomH = 0;\n  var viewportTopH = 0;\n  var viewportBottomH = 0;\n  var topPanelH = 0;\n  var headerRowH = 0;\n  var footerRowH = 0;\n\n  var tabbingDirection = 1;\n  var $activeCanvasNode;\n  var $activeViewportNode;\n  var activePosX;\n  var activeRow, activeCell;\n  var activeCellNode = null;\n  var currentEditor = null;\n  var serializedEditorValue;\n  var editController;\n\n  var rowsCache = {};\n  var renderedRows = 0;\n  var numVisibleRows = 0;\n  var prevScrollTop = 0;\n  var scrollTop = 0;\n  var lastRenderedScrollTop = 0;\n  var lastRenderedScrollLeft = 0;\n  var prevScrollLeft = 0;\n  var scrollLeft = 0;\n\n  var selectionModel;\n  var selectedRows = [];\n\n  var plugins = [];\n  var cellCssClasses = {};\n\n  var columnsById = {};\n  var sortColumns = [];\n  var columnPosLeft = [];\n  var columnPosRight = [];\n\n  // async call handles\n  var h_editorLoader = null;\n  var h_render = null;\n  var h_postrender = null;\n  var postProcessedRows = {};\n  var postProcessToRow = null;\n  var postProcessFromRow = null;\n\n  // perf counters\n  var counter_rows_rendered = 0;\n  var counter_rows_removed = 0;\n\n  // These two variables work around a bug with inertial scrolling in Webkit/Blink on Mac.\n  // See http://crbug.com/312427.\n  var rowNodeFromLastMouseWheelEvent; // this node must not be deleted while inertial scrolling\n  var zombieRowNodeFromLastMouseWheelEvent; // node that was hidden instead of getting deleted\n\n  var $paneHeaderL;\n  var $paneHeaderR;\n  var $paneTopL;\n  var $paneTopR;\n  var $paneBottomL;\n  var $paneBottomR;\n\n  var $headerScrollerL;\n  var $headerScrollerR;\n\n  var $headerL;\n  var $headerR;\n\n  var $groupHeadersL;\n  var $groupHeadersR;\n\n  var $headerRowScrollerL;\n  var $headerRowScrollerR;\n\n  var $footerRowScrollerL;\n  var $footerRowScrollerR;\n\n  var $headerRowL;\n  var $headerRowR;\n\n  var $footerRowL;\n  var $footerRowR;\n\n  var $topPanelScrollerL;\n  var $topPanelScrollerR;\n\n  var $topPanelL;\n  var $topPanelR;\n\n  var $viewportTopL;\n  var $viewportTopR;\n  var $viewportBottomL;\n  var $viewportBottomR;\n\n  var $canvasTopL;\n  var $canvasTopR;\n  var $canvasBottomL;\n  var $canvasBottomR;\n\n  var $viewportScrollContainerX;\n  var $viewportScrollContainerY;\n  var $headerScrollContainer;\n  var $headerRowScrollContainer;\n  var $footerRowScrollContainer;\n\n  //////////////////////////////////////////////////////////////////////////////////////////////\n  // Initialization\n\n  function init(){\n    $container = $(container);\n    if ($container.length < 1){\n      throw new Error(\"SlickGrid requires a valid container, \" + container + \" does not exist in the DOM.\");\n    }\n\n    // calculate these only once and share between grid instances\n    maxSupportedCssHeight = maxSupportedCssHeight || getMaxSupportedCssHeight();\n    scrollbarDimensions = scrollbarDimensions || measureScrollbar();\n\n    options = $.extend({}, defaults, options);\n    validateAndEnforceOptions();\n    columnDefaults.width = options.defaultColumnWidth;\n\n    treeColumns = new Slick.TreeColumns(columns);\n    columns = treeColumns.extractColumns();\n\n    columnsById = {};\n    for (var i = 0; i < columns.length; i++){\n      var m = columns[i] = $.extend({}, columnDefaults, columns[i]);\n      columnsById[m.id] = i;\n      if (m.minWidth && m.width < m.minWidth){\n        m.width = m.minWidth;\n      }\n      if (m.maxWidth && m.width > m.maxWidth){\n        m.width = m.maxWidth;\n      }\n    }\n\n    editController = {\n      \"commitCurrentEdit\": commitCurrentEdit,\n      \"cancelCurrentEdit\": cancelCurrentEdit\n    };\n\n    $container.empty()\n      .css(\"overflow\", \"hidden\")\n      .css(\"outline\", 0)\n      .addClass(uid)\n      .addClass(\"ui-widget\");\n\n    // set up a positioning container if needed\n    if (!/relative|absolute|fixed/.test($container.css(\"position\"))){\n      $container.css(\"position\", \"relative\");\n    }\n\n    $focusSink = $(\"<div tabIndex='0' hideFocus style='position:fixed;width:0;height:0;top:0;left:0;outline:0;'></div>\").appendTo($container);\n\n    // Containers used for scrolling frozen columns and rows\n    $paneHeaderL = $(\"<div class='slick-pane slick-pane-header slick-pane-left' tabIndex='0' />\").appendTo($container);\n    $paneHeaderR = $(\"<div class='slick-pane slick-pane-header slick-pane-right' tabIndex='0' />\").appendTo($container);\n    $paneTopL = $(\"<div class='slick-pane slick-pane-top slick-pane-left' tabIndex='0' />\").appendTo($container);\n    $paneTopR = $(\"<div class='slick-pane slick-pane-top slick-pane-right' tabIndex='0' />\").appendTo($container);\n    $paneBottomL = $(\"<div class='slick-pane slick-pane-bottom slick-pane-left' tabIndex='0' />\").appendTo($container);\n    $paneBottomR = $(\"<div class='slick-pane slick-pane-bottom slick-pane-right' tabIndex='0' />\").appendTo($container);\n\n    // Append the header scroller containers\n    $headerScrollerL = $(\"<div class='ui-state-default slick-header slick-header-left' />\").appendTo($paneHeaderL);\n    $headerScrollerR = $(\"<div class='ui-state-default slick-header slick-header-right' />\").appendTo($paneHeaderR);\n\n    // Cache the header scroller containers\n    $headerScroller = $().add($headerScrollerL).add($headerScrollerR);\n\n    if (treeColumns.hasDepth()){\n      $groupHeadersL = [], $groupHeadersR = [];\n      for (var index = 0; index < treeColumns.getDepth() - 1; index++){\n        $groupHeadersL[index] = $(\"<div class='slick-group-header-columns slick-group-header-columns-left' style='left:-1000px' />\").appendTo($headerScrollerL);\n        $groupHeadersR[index] = $(\"<div class='slick-group-header-columns slick-group-header-columns-right' style='left:-1000px' />\").appendTo($headerScrollerR);\n      }\n\n      $groupHeaders = $().add($groupHeadersL).add($groupHeadersR);\n    }\n\n    // Append the columnn containers to the headers\n    $headerL = $(\"<div class='slick-header-columns slick-header-columns-left' style='left:-1000px' />\").appendTo($headerScrollerL);\n    $headerR = $(\"<div class='slick-header-columns slick-header-columns-right' style='left:-1000px' />\").appendTo($headerScrollerR);\n\n    // Cache the header columns\n    $headers = $().add($headerL).add($headerR);\n\n    $headerRowScrollerL = $(\"<div class='ui-state-default slick-headerrow' />\").appendTo($paneTopL);\n    $headerRowScrollerR = $(\"<div class='ui-state-default slick-headerrow' />\").appendTo($paneTopR);\n\n    $headerRowScroller = $().add($headerRowScrollerL).add($headerRowScrollerR);\n\n    $headerRowSpacerL = $(\"<div style='display:block;height:1px;position:absolute;top:0;left:0;'></div>\")\n      .css(\"width\", getCanvasWidth() + scrollbarDimensions.width + \"px\")\n      .appendTo($headerRowScrollerL);\n    $headerRowSpacerR = $(\"<div style='display:block;height:1px;position:absolute;top:0;left:0;'></div>\")\n      .css(\"width\", getCanvasWidth() + scrollbarDimensions.width + \"px\")\n      .appendTo($headerRowScrollerR);\n\n    $headerRowL = $(\"<div class='slick-headerrow-columns slick-headerrow-columns-left' />\").appendTo($headerRowScrollerL);\n    $headerRowR = $(\"<div class='slick-headerrow-columns slick-headerrow-columns-right' />\").appendTo($headerRowScrollerR);\n\n    $headerRow = $().add($headerRowL).add($headerRowR);\n\n    // Append the top panel scroller\n    $topPanelScrollerL = $(\"<div class='ui-state-default slick-top-panel-scroller' />\").appendTo($paneTopL);\n    $topPanelScrollerR = $(\"<div class='ui-state-default slick-top-panel-scroller' />\").appendTo($paneTopR);\n\n    $topPanelScroller = $().add($topPanelScrollerL).add($topPanelScrollerR);\n\n    // Append the top panel\n    $topPanelL = $(\"<div class='slick-top-panel' style='width:10000px' />\").appendTo($topPanelScrollerL);\n    $topPanelR = $(\"<div class='slick-top-panel' style='width:10000px' />\").appendTo($topPanelScrollerR);\n\n    $topPanel = $().add($topPanelL).add($topPanelR);\n\n    if (!options.showTopPanel){\n      $topPanelScroller.hide();\n    }\n\n    if (!options.showHeaderRow){\n      $headerRowScroller.hide();\n    }\n\n    // Append the viewport containers\n    $viewportTopL = $(\"<div class='slick-viewport slick-viewport-top slick-viewport-left' tabIndex='0' hideFocus />\").appendTo($paneTopL);\n    $viewportTopR = $(\"<div class='slick-viewport slick-viewport-top slick-viewport-right' tabIndex='0' hideFocus />\").appendTo($paneTopR);\n    $viewportBottomL = $(\"<div class='slick-viewport slick-viewport-bottom slick-viewport-left' tabIndex='0' hideFocus />\").appendTo($paneBottomL);\n    $viewportBottomR = $(\"<div class='slick-viewport slick-viewport-bottom slick-viewport-right' tabIndex='0' hideFocus />\").appendTo($paneBottomR);\n\n    // Cache the viewports\n    $viewport = $().add($viewportTopL).add($viewportTopR).add($viewportBottomL).add($viewportBottomR);\n\n    // Default the active viewport to the top left\n    $activeViewportNode = $viewportTopL;\n\n    // Append the canvas containers\n    $canvasTopL = $(\"<div class='grid-canvas grid-canvas-top grid-canvas-left' tabIndex='0' hideFocus />\").appendTo($viewportTopL);\n    $canvasTopR = $(\"<div class='grid-canvas grid-canvas-top grid-canvas-right' tabIndex='0' hideFocus />\").appendTo($viewportTopR);\n    $canvasBottomL = $(\"<div class='grid-canvas grid-canvas-bottom grid-canvas-left' tabIndex='0' hideFocus />\").appendTo($viewportBottomL);\n    $canvasBottomR = $(\"<div class='grid-canvas grid-canvas-bottom grid-canvas-right' tabIndex='0' hideFocus />\").appendTo($viewportBottomR);\n\n    // Cache the canvases\n    $canvas = $().add($canvasTopL).add($canvasTopR).add($canvasBottomL).add($canvasBottomR);\n\n    // Default the active canvas to the top left\n    $activeCanvasNode = $canvasTopL;\n\n    // footer Row\n    $footerRowScrollerR = $(\"<div class='ui-state-default slick-footerrow' />\").appendTo($paneTopR);\n    $footerRowScrollerL = $(\"<div class='ui-state-default slick-footerrow' />\").appendTo($paneTopL);\n\n    $footerRowScroller = $().add($footerRowScrollerL).add($footerRowScrollerR);\n\n    $footerRowSpacerL = $(\"<div style='display:block;height:1px;position:absolute;top:0;left:0;'></div>\")\n      .css(\"width\", getCanvasWidth() + scrollbarDimensions.width + \"px\")\n      .appendTo($footerRowScrollerL);\n    $footerRowSpacerR = $(\"<div style='display:block;height:1px;position:absolute;top:0;left:0;'></div>\")\n      .css(\"width\", getCanvasWidth() + scrollbarDimensions.width + \"px\")\n      .appendTo($footerRowScrollerR);\n\n    $footerRowL = $(\"<div class='slick-footerrow-columns slick-footerrow-columns-left' />\").appendTo($footerRowScrollerL);\n    $footerRowR = $(\"<div class='slick-footerrow-columns slick-footerrow-columns-right' />\").appendTo($footerRowScrollerR);\n\n    $footerRow = $().add($footerRowL).add($footerRowR);\n\n    if (!options.showFooterRow){\n      $footerRowScroller.hide();\n    }\n\n    $focusSink2 = $focusSink.clone().appendTo($container);\n\n    if (!options.explicitInitialization){\n      finishInitialization();\n    }\n  }\n\n  function finishInitialization(){\n    if (!initialized){\n      initialized = true;\n\n      getViewportWidth();\n      getViewportHeight();\n\n      // header columns and cells may have different padding/border skewing width calculations (box-sizing, hello?)\n      // calculate the diff so we can set consistent sizes\n      measureCellPaddingAndBorder();\n\n      // for usability reasons, all text selection in SlickGrid is disabled\n      // with the exception of input and textarea elements (selection must\n      // be enabled there so that editors work as expected); note that\n      // selection in grid cells (grid body) is already unavailable in\n      // all browsers except IE\n      disableSelection($headers); // disable all text selection in header (including input and textarea)\n\n      if (!options.enableTextSelectionOnCells){\n        // disable text selection in grid cells except in input and textarea elements\n        // (this is IE-specific, because selectstart event will only fire in IE)\n        $viewport.bind(\"selectstart.ui\", function(event){\n          return $(event.target).is(\"input,textarea\");\n        });\n      }\n\n      setFrozenOptions();\n      setPaneVisibility();\n      setScroller();\n      setOverflow();\n\n      updateColumnCaches();\n      createColumnHeaders();\n      createColumnGroupHeaders();\n      createColumnFooter();\n      setupColumnSort();\n      createCssRules();\n      resizeCanvas();\n      bindAncestorScrollEvents();\n\n      $container.bind(\"resize.slickgrid\", resizeCanvas);\n      $viewport.on(\"scroll\", handleScroll);\n\n      if ($.fn.mousewheel && (options.frozenColumn > -1 || hasFrozenRows)){\n        $viewport.on(\"mousewheel\", handleMouseWheel);\n      }\n\n      $headerScroller.bind(\"contextmenu\", handleHeaderContextMenu)\n        .bind(\"click\", handleHeaderClick)\n        .delegate(\".slick-header-column\", \"mouseenter\", handleHeaderMouseEnter)\n        .delegate(\".slick-header-column\", \"mouseleave\", handleHeaderMouseLeave);\n      $headerRowScroller.bind(\"scroll\", handleHeaderRowScroll);\n\n      $footerRowScroller.bind(\"scroll\", handleFooterRowScroll);\n\n      $focusSink.add($focusSink2)\n        .bind(\"keydown\", handleKeyDown);\n      $canvas.bind(\"keydown\", handleKeyDown)\n        .bind(\"click\", handleClick)\n        .bind(\"dblclick\", handleDblClick)\n        .bind(\"contextmenu\", handleContextMenu)\n        .delegate(\".slick-cell\", \"mouseenter\", handleMouseEnter)\n        .delegate(\".slick-cell\", \"mouseleave\", handleMouseLeave);\n\n      // legacy support for drag events\n      interact($canvas[0]).allowFrom('div.slick-cell').draggable({\n        onmove: handleDrag,\n        onstart: handleDragStart,\n        onend: handleDragEnd\n      }).styleCursor(false);\n\n      // Work around http://crbug.com/312427.\n      if (navigator.userAgent.toLowerCase().match(/webkit/) && navigator.userAgent.toLowerCase().match(/macintosh/)){\n        $canvas.on(\"mousewheel\", handleMouseWheel);\n      }\n    }\n  }\n\n  function hasFrozenColumns(){\n    return options.frozenColumn > -1;\n  }\n\n  function registerPlugin(plugin){\n    plugins.unshift(plugin);\n    plugin.init(self);\n  }\n\n  function unregisterPlugin(plugin){\n    for (var i = plugins.length; i >= 0; i--){\n      if (plugins[i] === plugin){\n        if (plugins[i].destroy){\n          plugins[i].destroy();\n        }\n        plugins.splice(i, 1);\n        break;\n      }\n    }\n  }\n\n  function setSelectionModel(model){\n    if (selectionModel){\n      selectionModel.onSelectedRangesChanged.unsubscribe(handleSelectedRangesChanged);\n      if (selectionModel.destroy){\n        selectionModel.destroy();\n      }\n    }\n\n    selectionModel = model;\n    if (selectionModel){\n      selectionModel.init(self);\n      selectionModel.onSelectedRangesChanged.subscribe(handleSelectedRangesChanged);\n    }\n  }\n\n  function getSelectionModel(){\n    return selectionModel;\n  }\n\n  function getCanvasNode(){\n    return $canvas[0];\n  }\n\n  function getActiveCanvasNode(element){\n    setActiveCanvasNode(element);\n\n    return $activeCanvasNode[0];\n  }\n\n  function getCanvases(){\n    return $canvas;\n  }\n\n  function setActiveCanvasNode(element){\n    if (element){\n      $activeCanvasNode = $(element.target).closest('.grid-canvas');\n    }\n  }\n\n  function getViewportNode(){\n    return $viewport[0];\n  }\n\n  function getActiveViewportNode(element){\n    setActiveViewPortNode(element);\n\n    return $activeViewportNode[0];\n  }\n\n  function setActiveViewportNode(element){\n    if (element){\n      $activeViewportNode = $(element.target).closest('.slick-viewport');\n    }\n  }\n\n  function measureScrollbar(){\n    var $c = $(\"<div class='scrollbar-fix' style='position:absolute; top:-10000px; left:-10000px; width:100px; height:100px; overflow:scroll;'></div>\").appendTo(document.body);\n    var dim = {\n      width: $c.width() - $c[0].clientWidth,\n      height: $c.height() - $c[0].clientHeight\n    };\n    $c.remove();\n    return dim;\n  }\n\n  function getHeadersWidth(){\n    headersWidth = headersWidthL = headersWidthR = 0;\n\n    for (var i = 0, ii = columns.length; i < ii; i++){\n      var width = columns[i].width;\n\n      if ((options.frozenColumn) > -1 && (i > options.frozenColumn)){\n        headersWidthR += width;\n      } else {\n        headersWidthL += width;\n      }\n    }\n\n    if (hasFrozenColumns()){\n      headersWidthL = headersWidthL + 1000;\n\n      headersWidthR = Math.max(headersWidthR, viewportW) + headersWidthL;\n      headersWidthR += scrollbarDimensions.width;\n    } else {\n      headersWidthL += scrollbarDimensions.width;\n      headersWidthL = Math.max(headersWidthL, viewportW) + 1000;\n    }\n\n    headersWidth = headersWidthL + headersWidthR;\n  }\n\n  function getHeadersWidthL(){\n    headersWidthL = 0;\n\n    columns.forEach(function(column, i){\n      if (!((options.frozenColumn) > -1 && (i > options.frozenColumn))) headersWidthL += column.width;\n    });\n\n    if (hasFrozenColumns()){\n      headersWidthL += 1000;\n    } else {\n      headersWidthL += scrollbarDimensions.width;\n      headersWidthL = Math.max(headersWidthL, viewportW) + 1000;\n    }\n\n    return headersWidthL;\n  }\n\n  function getHeadersWidthR(){\n    headersWidthR = 0;\n\n    columns.forEach(function(column, i){\n      if ((options.frozenColumn) > -1 && (i > options.frozenColumn)) headersWidthR += column.width;\n    });\n\n    if (hasFrozenColumns()){\n      headersWidthR = Math.max(headersWidthR, viewportW) + getHeadersWidthL();\n      headersWidthR += scrollbarDimensions.width;\n    }\n\n    return headersWidthR;\n  }\n\n  function getCanvasWidth(){\n    var availableWidth = viewportHasVScroll ? viewportW - scrollbarDimensions.width : viewportW;\n\n    var i = columns.length;\n\n    canvasWidthL = canvasWidthR = 0;\n\n    while (i--){\n      if (hasFrozenColumns() && (i > options.frozenColumn)){\n        canvasWidthR += columns[i].width;\n      } else {\n        canvasWidthL += columns[i].width;\n      }\n    }\n\n    var totalRowWidth = canvasWidthL + canvasWidthR;\n\n    return options.fullWidthRows ? Math.max(totalRowWidth, availableWidth) : totalRowWidth;\n  }\n\n  function updateCanvasWidth(forceColumnWidthsUpdate){\n    var oldCanvasWidth = canvasWidth;\n    var oldCanvasWidthL = canvasWidthL;\n    var oldCanvasWidthR = canvasWidthR;\n    var widthChanged;\n    canvasWidth = getCanvasWidth();\n\n    widthChanged = canvasWidth !== oldCanvasWidth || canvasWidthL !== oldCanvasWidthL || canvasWidthR !== oldCanvasWidthR;\n\n    if (widthChanged || hasFrozenColumns() || hasFrozenRows){\n      $canvasTopL.width(canvasWidthL);\n\n      getHeadersWidth();\n\n      $headerL.width(headersWidthL);\n      $headerR.width(headersWidthR);\n\n      if (hasFrozenColumns()){\n        $canvasTopR.width(canvasWidthR);\n\n        $paneHeaderL.width(canvasWidthL);\n        $paneHeaderR.css('left', canvasWidthL);\n        $paneHeaderR.css('width', viewportW - canvasWidthL);\n\n        $paneTopL.width(canvasWidthL);\n        $paneTopR.css('left', canvasWidthL);\n        $paneTopR.css('width', viewportW - canvasWidthL);\n\n        $headerRowScrollerL.width(canvasWidthL);\n        $headerRowScrollerR.width(viewportW - canvasWidthL);\n\n        $headerRowL.width(canvasWidthL);\n        $headerRowR.width(canvasWidthR);\n\n        $footerRowScrollerL.width(canvasWidthL);\n        $footerRowScrollerR.width(viewportW - canvasWidthL);\n\n        $footerRowL.width(canvasWidthL);\n        $footerRowR.width(canvasWidthR);\n\n        $viewportTopL.width(canvasWidthL);\n        $viewportTopR.width(viewportW - canvasWidthL);\n\n        if (hasFrozenRows){\n          $paneBottomL.width(canvasWidthL);\n          $paneBottomR.css('left', canvasWidthL);\n\n          $viewportBottomL.width(canvasWidthL);\n          $viewportBottomR.width(viewportW - canvasWidthL);\n\n          $canvasBottomL.width(canvasWidthL);\n          $canvasBottomR.width(canvasWidthR);\n        }\n      } else {\n        $paneHeaderL.width('100%');\n\n        $paneTopL.width('100%');\n\n        $headerRowScrollerL.width('100%');\n\n        $headerRowL.width(canvasWidth);\n\n        $footerRowScrollerL.width('100%');\n\n        $footerRowL.width(canvasWidth);\n\n        $viewportTopL.width('100%');\n\n        if (hasFrozenRows){\n          $viewportBottomL.width('100%');\n          $canvasBottomL.width(canvasWidthL);\n        }\n      }\n\n      viewportHasHScroll = (canvasWidth > viewportW - scrollbarDimensions.width);\n    }\n\n    $headerRowSpacerL.width(canvasWidth + (viewportHasVScroll ? scrollbarDimensions.width : 0));\n    $headerRowSpacerR.width(canvasWidth + (viewportHasVScroll ? scrollbarDimensions.width : 0));\n\n    $footerRowSpacerL.width(canvasWidth + (viewportHasVScroll ? scrollbarDimensions.width : 0));\n    $footerRowSpacerR.width(canvasWidth + (viewportHasVScroll ? scrollbarDimensions.width : 0));\n\n    if (widthChanged || forceColumnWidthsUpdate){\n      applyColumnWidths();\n    }\n  }\n\n  function disableSelection($target){\n    if ($target && $target.jquery){\n      $target.attr(\"unselectable\", \"on\")\n        .css(\"MozUserSelect\", \"none\")\n        .bind(\"selectstart.ui\", function(){\n          return false;\n        }); // from jquery:ui.core.js 1.7.2\n    }\n  }\n\n  function getMaxSupportedCssHeight(){\n    var supportedHeight = 1000000;\n    // FF reports the height back but still renders blank after ~6M px\n    var testUpTo = navigator.userAgent.toLowerCase().match(/firefox/) ? 6000000 : 1000000000;\n    var div = $(\"<div style='display:none' />\").appendTo(document.body);\n\n    while (true){\n      var test = supportedHeight * 2;\n      div.css(\"height\", test);\n      if (test > testUpTo || div.height() !== test){\n        break;\n      } else {\n        supportedHeight = test;\n      }\n    }\n\n    div.remove();\n    return supportedHeight;\n  }\n\n  // TODO:  this is static.  need to handle page mutation.\n  function bindAncestorScrollEvents(){\n    var elem = (hasFrozenRows && !options.frozenBottom) ? $canvasBottomL[0] : $canvasTopL[0];\n    while ((elem = elem.parentNode) != document.body && elem != null){\n      // bind to scroll containers only\n      if (elem == $viewportTopL[0] || elem.scrollWidth != elem.clientWidth || elem.scrollHeight != elem.clientHeight){\n        var $elem = $(elem);\n        if (!$boundAncestors){\n          $boundAncestors = $elem;\n        } else {\n          $boundAncestors = $boundAncestors.add($elem);\n        }\n        $elem.bind(\"scroll.\" + uid, handleActiveCellPositionChange);\n      }\n    }\n  }\n\n  function unbindAncestorScrollEvents(){\n    if (!$boundAncestors){\n      return;\n    }\n    $boundAncestors.unbind(\"scroll.\" + uid);\n    $boundAncestors = null;\n  }\n\n  function updateColumnHeader(columnId, title, toolTip){\n    if (!initialized){\n      return;\n    }\n    var idx = getColumnIndex(columnId);\n    if (idx == null){\n      return;\n    }\n\n    var columnDef = columns[idx];\n    var $header = $headers.children().eq(idx);\n    if ($header){\n      if (title !== undefined){\n        columns[idx].name = title;\n      }\n      if (toolTip !== undefined){\n        columns[idx].toolTip = toolTip;\n      }\n\n      trigger(self.onBeforeHeaderCellDestroy, {\n        \"node\": $header[0],\n        \"column\": columnDef\n      });\n\n      $header.attr(\"title\", toolTip || \"\")\n        .children().eq(0).html(title);\n\n      trigger(self.onHeaderCellRendered, {\n        \"node\": $header[0],\n        \"column\": columnDef\n      });\n    }\n  }\n\n  function getHeaderRow(){\n    return hasFrozenColumns() ? $headerRow : $headerRow[0];\n  }\n\n  function getHeaderRowColumn(columnId){\n    var idx = getColumnIndex(columnId);\n\n    var $headerRowTarget;\n\n    if (hasFrozenColumns()){\n      if (idx <= options.frozenColumn){\n        $headerRowTarget = $headerRowL;\n      } else {\n        $headerRowTarget = $headerRowR;\n\n        idx -= options.frozenColumn + 1;\n      }\n    } else {\n      $headerRowTarget = $headerRowL;\n    }\n\n    var $header = $headerRowTarget.children().eq(idx);\n    return $header && $header[0];\n  }\n\n  function getFooterRow(){\n    return hasFrozenColumns() ? $footerRow : $footerRow[0];\n  }\n\n  function getFooterRowColumn(columnId){\n    var idx = getColumnIndex(columnId);\n\n    var $footerRowTarget;\n\n    if (hasFrozenColumns()){\n      if (idx <= options.frozenColumn){\n        $footerRowTarget = $footerRowL;\n      } else {\n        $footerRowTarget = $footerRowR;\n\n        idx -= options.frozenColumn + 1;\n      }\n    } else {\n      $footerRowTarget = $footerRowL;\n    }\n\n    var $footer = $footerRowTarget.children().eq(idx);\n    return $footer && $footer[0];\n  }\n\n  function createColumnFooter(){\n    $footerRow.find(\".slick-footerrow-column\")\n      .each(function(){\n        var columnDef = $(this).data(\"column\");\n        if (columnDef){\n          trigger(self.onBeforeFooterRowCellDestroy, {\n            \"node\": this,\n            \"column\": columnDef\n          });\n        }\n      });\n\n    $footerRowL.empty();\n    $footerRowR.empty();\n\n    for (var i = 0; i < columns.length; i++){\n      var m = columns[i];\n\n      var footerRowCell = $(\"<div class='ui-state-default slick-footerrow-column l\" + i + \" r\" + i + \"'></div>\")\n        .data(\"column\", m)\n        .addClass(hasFrozenColumns() && i <= options.frozenColumn ? 'frozen' : '')\n        .appendTo(hasFrozenColumns() && (i > options.frozenColumn) ? $footerRowR : $footerRowL);\n\n      trigger(self.onFooterRowCellRendered, {\n        \"node\": footerRowCell[0],\n        \"column\": m\n      });\n    }\n  }\n\n  function createColumnGroupHeaders(){\n    var columnsLength = 0;\n    var frozenColumnsValid = false;\n\n    if (!treeColumns.hasDepth()) return;\n\n    for (var index = 0; index < $groupHeadersL.length; index++){\n\n      $groupHeadersL[index].empty();\n      $groupHeadersR[index].empty();\n\n      var groupColumns = treeColumns.getColumnsInDepth(index);\n\n      for (var indexGroup in groupColumns){\n        var m = groupColumns[indexGroup];\n\n        columnsLength += m.extractColumns().length;\n\n        if (hasFrozenColumns() && index == 0 && (columnsLength - 1) === options.frozenColumn) frozenColumnsValid = true;\n\n        $(\"<div class='ui-state-default slick-group-header-column' />\")\n          .html(\"<span class='slick-column-name'>\" + m.name + \"</span>\")\n          .attr(\"id\", \"\" + uid + m.id)\n          .attr(\"title\", m.toolTip || \"\")\n          .data(\"column\", m)\n          .addClass(m.headerCssClass || \"\")\n          .addClass(hasFrozenColumns() && (columnsLength - 1) <= options.frozenColumn ? 'frozen' : '')\n          .appendTo(hasFrozenColumns() && (columnsLength - 1) > options.frozenColumn ? $groupHeadersR[index] : $groupHeadersL[index]);\n      }\n\n      if (hasFrozenColumns() && index == 0 && !frozenColumnsValid){\n        $groupHeadersL[index].empty();\n        $groupHeadersR[index].empty();\n        alert(\"All columns of group should to be grouped!\");\n        break;\n      }\n    }\n\n    applyColumnGroupHeaderWidths();\n  }\n\n  function createColumnHeaders(){\n    function onMouseEnter(){\n      $(this).addClass(\"ui-state-hover\");\n    }\n\n    function onMouseLeave(){\n      $(this).removeClass(\"ui-state-hover\");\n    }\n\n    $headers.find(\".slick-header-column\")\n      .each(function(){\n        var columnDef = $(this).data(\"column\");\n        if (columnDef){\n          trigger(self.onBeforeHeaderCellDestroy, {\n            \"node\": this,\n            \"column\": columnDef\n          });\n        }\n      });\n\n    $headerL.empty();\n    $headerR.empty();\n\n    getHeadersWidth();\n\n    $headerL.width(headersWidthL);\n    $headerR.width(headersWidthR);\n\n    $headerRow.find(\".slick-headerrow-column\")\n      .each(function(){\n        var columnDef = $(this).data(\"column\");\n        if (columnDef){\n          trigger(self.onBeforeHeaderRowCellDestroy, {\n            \"node\": this,\n            \"column\": columnDef\n          });\n        }\n      });\n\n    $headerRowL.empty();\n    $headerRowR.empty();\n\n    for (var i = 0; i < columns.length; i++){\n      var m = columns[i];\n\n      var $headerTarget = hasFrozenColumns() ? ((i <= options.frozenColumn) ? $headerL : $headerR) : $headerL;\n      var $headerRowTarget = hasFrozenColumns() ? ((i <= options.frozenColumn) ? $headerRowL : $headerRowR) : $headerRowL;\n\n      var header = $(\"<div class='ui-state-default slick-header-column' />\")\n        .html(\"<span class='slick-column-name'>\" + m.name + \"</span>\")\n        .width(m.width - headerColumnWidthDiff)\n        .attr(\"id\", \"\" + uid + m.id)\n        .attr(\"title\", m.toolTip || \"\")\n        .data(\"column\", m)\n        .addClass(m.headerCssClass || \"\")\n        .addClass(hasFrozenColumns() && i <= options.frozenColumn ? 'frozen' : '')\n        .appendTo($headerTarget);\n\n      if (options.enableColumnReorder || m.sortable){\n        header.on('mouseenter', onMouseEnter)\n          .on('mouseleave', onMouseLeave);\n      }\n\n      if (m.sortable){\n        header.addClass(\"slick-header-sortable\");\n        header.append(\"<span class='slick-sort-indicator' />\");\n      }\n\n      trigger(self.onHeaderCellRendered, {\n        \"node\": header[0],\n        \"column\": m\n      });\n\n      if (options.showHeaderRow){\n        var headerRowCell = $(\"<div class='ui-state-default slick-headerrow-column l\" + i + \" r\" + i + \"'></div>\")\n          .data(\"column\", m)\n          .appendTo($headerRowTarget);\n\n        trigger(self.onHeaderRowCellRendered, {\n          \"node\": headerRowCell[0],\n          \"column\": m\n        });\n      }\n    }\n\n    setSortColumns(sortColumns);\n    setupColumnResize();\n    if (options.enableColumnReorder){\n      setupColumnReorder();\n    }\n  }\n\n  function setupColumnSort(){\n    $headers.click(function(e){\n      // temporary workaround for a bug in jQuery 1.7.1 (http://bugs.jquery.com/ticket/11328)\n      e.metaKey = e.metaKey || e.ctrlKey;\n\n      if ($(e.target).hasClass(\"slick-resizable-handle\")){\n        return;\n      }\n\n      var $col = $(e.target).closest(\".slick-header-column\");\n      if (!$col.length){\n        return;\n      }\n\n      var column = $col.data(\"column\");\n      if (column.sortable){\n        if (!getEditorLock().commitCurrentEdit()){\n          return;\n        }\n\n        var sortOpts = null;\n        var i = 0;\n        for (; i < sortColumns.length; i++){\n          if (sortColumns[i].columnId == column.id){\n            sortOpts = sortColumns[i];\n            sortOpts.sortAsc = !sortOpts.sortAsc;\n            break;\n          }\n        }\n\n        if (e.metaKey && options.multiColumnSort){\n          if (sortOpts){\n            sortColumns.splice(i, 1);\n          }\n        } else {\n          if ((!e.shiftKey && !e.metaKey) || !options.multiColumnSort){\n            sortColumns = [];\n          }\n\n          if (!sortOpts){\n            sortOpts = {\n              columnId: column.id,\n              sortAsc: column.defaultSortAsc\n            };\n            sortColumns.push(sortOpts);\n          } else if (sortColumns.length == 0){\n            sortColumns.push(sortOpts);\n          }\n        }\n\n        setSortColumns(sortColumns);\n\n        if (!options.multiColumnSort){\n          trigger(self.onSort, {\n            multiColumnSort: false,\n            sortCol: column,\n            sortAsc: sortOpts.sortAsc\n          }, e);\n        } else {\n          trigger(self.onSort, {\n            multiColumnSort: true,\n            sortCols: $.map(sortColumns, function(col){\n              return {\n                sortCol: columns[getColumnIndex(col.columnId)],\n                sortAsc: col.sortAsc\n              };\n            })\n          }, e);\n        }\n      }\n    });\n  }\n\n  function currentPositionInHeader(id){\n    var currentPosition = 0;\n    $headers.find('.slick-header-column').each(function(i){\n      if (this.id == id){\n        currentPosition = i;\n        return false;\n      }\n    });\n\n    return currentPosition;\n  }\n\n  function limitPositionInGroup(idColumn){\n    var groupColumnOfPreviousPosition,\n      startLimit = 0,\n      endLimit = 0;\n\n    treeColumns.getColumnsInDepth($groupHeadersL.length - 1)\n      .some(function(groupColumn){\n        startLimit = endLimit;\n        endLimit += groupColumn.columns.length;\n\n        groupColumn.columns.some(function(column){\n\n          if (column.id === idColumn) groupColumnOfPreviousPosition = groupColumn;\n\n          return groupColumnOfPreviousPosition;\n        });\n\n        return groupColumnOfPreviousPosition;\n      });\n\n    endLimit--;\n\n    return {\n      start: startLimit,\n      end: endLimit,\n      group: groupColumnOfPreviousPosition\n    }\n  }\n\n  function remove(arr, elem){\n    var index = arr.lastIndexOf(elem);\n    if (index > -1){\n      arr.splice(index, 1);\n      remove(arr, elem);\n    }\n  }\n\n  function columnPositionValidInGroup($item){\n    var currentPosition = currentPositionInHeader($item[0].id);\n    var limit = limitPositionInGroup($item.data('column').id);\n    var positionValid = limit.start <= currentPosition && currentPosition <= limit.end;\n\n    return {\n      limit: limit,\n      valid: positionValid,\n      message: positionValid ? '' : 'Column \"'.concat($item.text(), '\" can be reordered only within the \"', limit.group.name, '\" group!')\n    };\n  }\n\n  function setupColumnReorder(){\n    let x = 0;\n    let delta = 0;\n    let placeholder = document.createElement('div');\n\n    placeholder.className = 'interact-placeholder';\n\n    interact('.slick-header-column')\n      .ignoreFrom('.slick-resizable-handle')\n      .draggable({\n        inertia: true,\n        // keep the element within the area of it's parent\n        restrict: {\n          restriction: 'parent',\n          endOnly: true,\n          elementRect: {top: 0, left: 0, bottom: 0, right: 0}\n        },\n        // enable autoScroll\n        autoScroll: true,\n        axis: 'x',\n        onstart: event => {\n          x = 0;\n          delta = event.target.offsetWidth;\n\n          // get old order\n          $headers.find('.slick-header-column').each(function(index){\n            $(this).data('index', index);\n          });\n\n          placeholder.style.height = event.target.offsetHeight + 'px';\n          placeholder.style.width = delta + 'px';\n\n          $(event.target).after(placeholder).css({\n            position: 'absolute',\n            zIndex: 1000,\n            marginLeft: $(event.target).position().left - 1000\n          });\n        },\n\n        onmove: event => {\n          x += event.dx;\n          event.target.style.transform = `translate3d(${x}px, -3px, 100px)`;\n          // event.target.style.marginLeft = x + 'px';\n        },\n\n        onend: event => {\n          x = 0;\n          delta = 0;\n\n          if (treeColumns.hasDepth()) {\n            var validPositionInGroup = columnPositionValidInGroup($(event.target));\n            var limit = validPositionInGroup.limit;\n\n            var cancel = !validPositionInGroup.valid;\n\n            if (cancel)\n              alert(validPositionInGroup.message);\n          }\n\n          placeholder.parentNode.removeChild(placeholder);\n\n          if (cancel){\n            event.target.style.transform = 'none';\n            setColumns(getColumns());\n            return;\n          }\n\n          $(event.target).css({\n            position: 'relative',\n            zIndex: '',\n            marginLeft: 0,\n            transform: 'none'\n          });\n\n          const newColumns = [];\n          $headers.find('.slick-header-column').each(function(index){\n            newColumns.push(columns[$(this).data('index')]);\n            $(this).removeData('index');\n          });\n\n          setColumns(newColumns);\n\n          trigger(self.onColumnsReordered, { impactedColumns : getImpactedColumns( limit ), grid: self });\n          setupColumnResize();\n        }\n      })\n      .dropzone({\n        accept: '.slick-header-column',\n\n        ondragenter: event => {\n          event.target.classList.add('interact-drop-active');\n          event.relatedTarget.classList.add('interact-can-drop');\n        },\n\n        ondragleave: event => {\n          event.target.classList.remove('interact-drop-active');\n          event.relatedTarget.classList.remove('interact-can-drop');\n        },\n\n        ondrop: event => {\n          event.target.classList.remove('interact-drop-active');\n          event.relatedTarget.classList.remove('interact-can-drop');\n          $(event.target)[x > 0 ? 'after' : 'before'](event.relatedTarget);\n        }\n      }).styleCursor(false);\n  }\n\n  function getImpactedColumns(limit){\n    var impactedColumns = [];\n\n    if (limit != undefined){\n\n      for (var i = limit.start; i <= limit.end; i++){\n        impactedColumns.push(columns[i]);\n      }\n    } else {\n\n      impactedColumns = columns;\n    }\n\n    return impactedColumns;\n  }\n\n  function setupColumnResize(){\n    var $col, j, c, pageX, columnElements, minPageX, maxPageX, firstResizable, lastResizable;\n    columnElements = $headers.children();\n    columnElements.find('.slick-resizable-handle').remove();\n    columnElements.each(function(i, e){\n      if (columns[i].resizable){\n        if (firstResizable === undefined){\n          firstResizable = i;\n        }\n        lastResizable = i;\n      }\n    });\n    if (firstResizable === undefined){\n      return;\n    }\n    columnElements.each(function(i, element){\n      if (i < firstResizable || (options.forceFitColumns && i >= lastResizable)){\n        return;\n      }\n      $col = $(element);\n\n      const $handle = $(\"<div class='slick-resizable-handle' />\");\n      $handle.appendTo(element);\n\n      if ($col.data('resizable'))\n        return;\n\n      const activeColumn = columns[i];\n      if (activeColumn.resizable){\n        $col.data('resizable', true);\n        interact(element).resizable({\n          preserveAspectRatio: false,\n          edges: { left: true, right: true, bottom: false, top: false }\n        }).on('resizestart', function(event){\n          if (!getEditorLock().commitCurrentEdit()){\n            return false;\n          }\n          activeColumn.previousWidth = event.rect.width;\n          event.target.classList.add('slick-header-column-active');\n        }).on('resizemove', function(event){\n          let x = event.dx;\n          let width = activeColumn.width += x;\n\n          if (activeColumn.minWidth > 0 && activeColumn.minWidth > width)\n            width = activeColumn.minWidth;\n          else if (activeColumn.maxWidth > 0 && activeColumn.maxWidth < width)\n            width = activeColumn.maxWidth;\n\n          activeColumn.width = width;\n\n          if (options.forceFitColumns){\n            autosizeColumns();\n          }\n          applyColumnHeaderWidths();\n          if (options.syncColumnCellResize){\n            applyColumnWidths();\n          }\n        }).on('resizeend', function(event){\n          event.target.classList.remove('slick-header-column-active');\n          if (treeColumns.hasDepth())\n            createColumnGroupHeaders();\n\n          invalidateAllRows();\n          updateCanvasWidth(true);\n          render();\n          trigger(self.onColumnsResized, {grid: self});\n        });\n      }\n    });\n  }\n\n  function getVBoxDelta($el){\n    var p = [\"borderTopWidth\", \"borderBottomWidth\", \"paddingTop\", \"paddingBottom\"];\n    var delta = 0;\n    $.each(p, function(n, val){\n      delta += parseFloat($el.css(val)) || 0;\n    });\n    return delta;\n  }\n\n  function setFrozenOptions(){\n    options.frozenColumn = (options.frozenColumn >= 0 && options.frozenColumn < columns.length) ? parseInt(options.frozenColumn) : -1;\n\n    options.frozenRow = (options.frozenRow >= 0 && options.frozenRow < numVisibleRows) ? parseInt(options.frozenRow) : -1;\n\n    if (options.frozenRow > -1){\n      hasFrozenRows = true;\n      frozenRowsHeight = (options.frozenRow) * options.rowHeight;\n\n      var dataLength = getDataLength() || this.data.length;\n\n      actualFrozenRow = (options.frozenBottom) ? (dataLength - options.frozenRow) : options.frozenRow;\n    } else {\n      hasFrozenRows = false;\n    }\n  }\n\n  function setPaneVisibility(){\n    if (hasFrozenColumns()){\n      $paneHeaderR.show();\n      $paneTopR.show();\n\n      if (hasFrozenRows){\n        $paneBottomL.show();\n        $paneBottomR.show();\n      } else {\n        $paneBottomR.hide();\n        $paneBottomL.hide();\n      }\n    } else {\n      $paneHeaderR.hide();\n      $paneTopR.hide();\n      $paneBottomR.hide();\n\n      if (hasFrozenRows){\n        $paneBottomL.show();\n      } else {\n        $paneBottomR.hide();\n        $paneBottomL.hide();\n      }\n    }\n  }\n\n  function setOverflow(){\n    $viewportTopL.css({\n      'overflow-x': (hasFrozenColumns()) ? (hasFrozenRows ? 'hidden' : 'scroll') : (hasFrozenRows ? 'hidden' : 'auto'),\n      'overflow-y': (hasFrozenColumns()) ? (hasFrozenRows ? 'hidden' : 'hidden') : (hasFrozenRows ? 'scroll' : 'auto')\n    });\n\n    $viewportTopR.css({\n      'overflow-x': (hasFrozenColumns()) ? (hasFrozenRows ? 'hidden' : 'scroll') : (hasFrozenRows ? 'hidden' : 'auto'),\n      'overflow-y': (hasFrozenColumns()) ? (hasFrozenRows ? 'scroll' : 'auto') : (hasFrozenRows ? 'scroll' : 'auto')\n    });\n\n    $viewportBottomL.css({\n      'overflow-x': (hasFrozenColumns()) ? (hasFrozenRows ? 'scroll' : 'auto') : (hasFrozenRows ? 'auto' : 'auto'),\n      'overflow-y': (hasFrozenColumns()) ? (hasFrozenRows ? 'hidden' : 'hidden') : (hasFrozenRows ? 'scroll' : 'auto')\n    });\n\n    $viewportBottomR.css({\n      'overflow-x': (hasFrozenColumns()) ? (hasFrozenRows ? 'scroll' : 'auto') : (hasFrozenRows ? 'auto' : 'auto'),\n      'overflow-y': (hasFrozenColumns()) ? (hasFrozenRows ? 'auto' : 'auto') : (hasFrozenRows ? 'auto' : 'auto')\n    });\n  }\n\n  function setScroller(){\n    if (hasFrozenColumns()){\n      $headerScrollContainer = $headerScrollerR;\n      $headerRowScrollContainer = $headerRowScrollerR;\n      $footerRowScrollContainer = $footerRowScrollerR\n\n      if (hasFrozenRows){\n        if (options.frozenBottom){\n          $viewportScrollContainerX = $viewportBottomR;\n          $viewportScrollContainerY = $viewportTopR;\n        } else {\n          $viewportScrollContainerX = $viewportScrollContainerY = $viewportBottomR;\n        }\n      } else {\n        $viewportScrollContainerX = $viewportScrollContainerY = $viewportTopR;\n      }\n    } else {\n      $headerScrollContainer = $headerScrollerL;\n      $headerRowScrollContainer = $headerRowScrollerL;\n      $footerRowScrollContainer = $footerRowScrollerL;\n\n      if (hasFrozenRows){\n        if (options.frozenBottom){\n          $viewportScrollContainerX = $viewportBottomL;\n          $viewportScrollContainerY = $viewportTopL;\n        } else {\n          $viewportScrollContainerX = $viewportScrollContainerY = $viewportBottomL;\n        }\n      } else {\n        $viewportScrollContainerX = $viewportScrollContainerY = $viewportTopL;\n      }\n    }\n  }\n\n  function measureCellPaddingAndBorder(){\n    var el;\n    var h = [\"borderLeftWidth\", \"borderRightWidth\", \"paddingLeft\", \"paddingRight\"];\n    var v = [\"borderTopWidth\", \"borderBottomWidth\", \"paddingTop\", \"paddingBottom\"];\n\n    el = $(\"<div class='ui-state-default slick-header-column' style='visibility:hidden'>-</div>\").appendTo($headers);\n    headerColumnWidthDiff = headerColumnHeightDiff = 0;\n    if (el.css(\"box-sizing\") != \"border-box\" && el.css(\"-moz-box-sizing\") != \"border-box\" && el.css(\"-webkit-box-sizing\") != \"border-box\"){\n      $.each(h, function(n, val){\n        headerColumnWidthDiff += parseFloat(el.css(val)) || 0;\n      });\n      $.each(v, function(n, val){\n        headerColumnHeightDiff += parseFloat(el.css(val)) || 0;\n      });\n    }\n    el.remove();\n\n    var r = $(\"<div class='slick-row' />\").appendTo($canvas);\n    el = $(\"<div class='slick-cell' id='' style='visibility:hidden'>-</div>\").appendTo(r);\n    cellWidthDiff = cellHeightDiff = 0;\n    if (el.css(\"box-sizing\") != \"border-box\" && el.css(\"-moz-box-sizing\") != \"border-box\" && el.css(\"-webkit-box-sizing\") != \"border-box\"){\n      $.each(h, function(n, val){\n        cellWidthDiff += parseFloat(el.css(val)) || 0;\n      });\n      $.each(v, function(n, val){\n        cellHeightDiff += parseFloat(el.css(val)) || 0;\n      });\n    }\n    r.remove();\n\n    absoluteColumnMinWidth = Math.max(headerColumnWidthDiff, cellWidthDiff);\n  }\n\n  function createCssRules(){\n    $style = $(\"<style type='text/css' rel='stylesheet' />\").appendTo($(\"head\"));\n    var rowHeight = (options.rowHeight - cellHeightDiff);\n    var rules = [\".\" + uid + \" .slick-group-header-column { left: 1000px; }\", \".\" + uid + \" .slick-header-column { left: 1000px; }\", \".\" + uid + \" .slick-top-panel { height:\" + options.topPanelHeight + \"px; }\", \".\" + uid + \" .slick-headerrow-columns { height:\" + options.headerRowHeight + \"px; }\", \".\" + uid + \" .slick-cell { height:\" + rowHeight + \"px; }\", \".\" + uid + \" .slick-row { height:\" + options.rowHeight + \"px; }\", \".\" + uid + \" .slick-footerrow-columns { height:\" + options.footerRowHeight + \"px; }\"];\n\n    for (var i = 0; i < columns.length; i++){\n      rules.push(\".\" + uid + \" .l\" + i + \" { }\");\n      rules.push(\".\" + uid + \" .r\" + i + \" { }\");\n    }\n\n    if ($style[0].styleSheet){ // IE\n      $style[0].styleSheet.cssText = rules.join(\" \");\n    } else {\n      $style[0].appendChild(document.createTextNode(rules.join(\" \")));\n    }\n  }\n\n  function getColumnCssRules(idx){\n    if (!stylesheet){\n      var sheets = document.styleSheets;\n      for (var i = 0; i < sheets.length; i++){\n        if ((sheets[i].ownerNode || sheets[i].owningElement) == $style[0]){\n          stylesheet = sheets[i];\n          break;\n        }\n      }\n\n      if (!stylesheet){\n        throw new Error(\"Cannot find stylesheet.\");\n      }\n\n      // find and cache column CSS rules\n      columnCssRulesL = [];\n      columnCssRulesR = [];\n      var cssRules = (stylesheet.cssRules || stylesheet.rules);\n      var matches, columnIdx;\n      for (var i = 0; i < cssRules.length; i++){\n        var selector = cssRules[i].selectorText;\n        if (matches = /\\.l\\d+/.exec(selector)){\n          columnIdx = parseInt(matches[0].substr(2, matches[0].length - 2), 10);\n          columnCssRulesL[columnIdx] = cssRules[i];\n        } else if (matches = /\\.r\\d+/.exec(selector)){\n          columnIdx = parseInt(matches[0].substr(2, matches[0].length - 2), 10);\n          columnCssRulesR[columnIdx] = cssRules[i];\n        }\n      }\n    }\n\n    return {\n      \"left\": columnCssRulesL[idx],\n      \"right\": columnCssRulesR[idx]\n    };\n  }\n\n  function removeCssRules(){\n    $style.remove();\n    stylesheet = null;\n  }\n\n  function destroy(){\n    getEditorLock().cancelCurrentEdit();\n\n    trigger(self.onBeforeDestroy, {});\n\n    var i = plugins.length;\n    while (i--){\n      unregisterPlugin(plugins[i]);\n    }\n\n    unbindAncestorScrollEvents();\n    $container.unbind(\".slickgrid\");\n    removeCssRules();\n\n    $container.empty().removeClass(uid);\n  }\n\n  //////////////////////////////////////////////////////////////////////////////////////////////\n  // General\n\n  function trigger(evt, args, e){\n    e = e || new Slick.EventData();\n    args = args || {};\n    args.grid = self;\n    return evt.notify(args, e, self);\n  }\n\n  function getEditorLock(){\n    return options.editorLock;\n  }\n\n  function getEditController(){\n    return editController;\n  }\n\n  function getColumnIndex(id){\n    return columnsById[id];\n  }\n\n  function autosizeColumns(){\n    var i, c,\n      widths = [],\n      shrinkLeeway = 0,\n      total = 0,\n      prevTotal,\n      availWidth = viewportHasVScroll ? viewportW - scrollbarDimensions.width : viewportW;\n\n    for (i = 0; i < columns.length; i++){\n      c = columns[i];\n      widths.push(c.width);\n      total += c.width;\n      if (c.resizable){\n        shrinkLeeway += c.width - Math.max(c.minWidth, absoluteColumnMinWidth);\n      }\n    }\n\n    // shrink\n    prevTotal = total;\n    while (total > availWidth && shrinkLeeway){\n      var shrinkProportion = (total - availWidth) / shrinkLeeway;\n      for (i = 0; i < columns.length && total > availWidth; i++){\n        c = columns[i];\n        var width = widths[i];\n        if (!c.resizable || width <= c.minWidth || width <= absoluteColumnMinWidth){\n          continue;\n        }\n        var absMinWidth = Math.max(c.minWidth, absoluteColumnMinWidth);\n        var shrinkSize = Math.floor(shrinkProportion * (width - absMinWidth)) || 1;\n        shrinkSize = Math.min(shrinkSize, width - absMinWidth);\n        total -= shrinkSize;\n        shrinkLeeway -= shrinkSize;\n        widths[i] -= shrinkSize;\n      }\n      if (prevTotal <= total){ // avoid infinite loop\n        break;\n      }\n      prevTotal = total;\n    }\n\n    // grow\n    prevTotal = total;\n    while (total < availWidth){\n      var growProportion = availWidth / total;\n      for (i = 0; i < columns.length && total < availWidth; i++){\n        c = columns[i];\n        var currentWidth = widths[i];\n        var growSize;\n\n        if (!c.resizable || c.maxWidth <= currentWidth){\n          growSize = 0;\n        } else {\n          growSize = Math.min(Math.floor(growProportion * currentWidth) - currentWidth, (c.maxWidth - currentWidth) || 1000000) || 1;\n        }\n        total += growSize;\n        widths[i] += growSize;\n      }\n      if (prevTotal >= total){ // avoid infinite loop\n        break;\n      }\n      prevTotal = total;\n    }\n\n    var reRender = false;\n    for (i = 0; i < columns.length; i++){\n      if (columns[i].rerenderOnResize && columns[i].width != widths[i]){\n        reRender = true;\n      }\n      columns[i].width = widths[i];\n    }\n\n    applyColumnHeaderWidths();\n    applyColumnGroupHeaderWidths();\n    updateCanvasWidth(true);\n    if (reRender){\n      invalidateAllRows();\n      render();\n    }\n  }\n\n  function applyColumnGroupHeaderWidths(){\n    if (!treeColumns.hasDepth()) return;\n\n    for (var depth = $groupHeadersL.length - 1; depth >= 0; depth--){\n\n      var groupColumns = treeColumns.getColumnsInDepth(depth);\n\n      $().add($groupHeadersL[depth]).add($groupHeadersR[depth]).each(function(i){\n        var $groupHeader = $(this),\n          currentColumnIndex = 0;\n\n        $groupHeader.width(i == 0 ? getHeadersWidthL() : getHeadersWidthR());\n\n        $groupHeader.children().each(function(){\n          var $groupHeaderColumn = $(this);\n\n          var m = $(this).data('column');\n\n          m.width = 0;\n\n          m.columns.forEach(function(){\n            var $headerColumn = $groupHeader.next().children(':eq(' + (currentColumnIndex++) + ')');\n            m.width += $headerColumn.outerWidth();\n          })\n\n          $groupHeaderColumn.width(m.width - headerColumnWidthDiff);\n\n        });\n\n      })\n\n    }\n  }\n\n  function applyColumnHeaderWidths(){\n    if (!initialized){\n      return;\n    }\n    var h;\n    for (var i = 0, headers = $headers.children(), ii = headers.length; i < ii; i++){\n      h = $(headers[i]);\n      if (h.width() !== columns[i].width - headerColumnWidthDiff){\n        h.width(columns[i].width - headerColumnWidthDiff);\n      }\n    }\n\n    updateColumnCaches();\n  }\n\n  function applyColumnWidths(){\n    var x = 0,\n      w, rule;\n    for (var i = 0; i < columns.length; i++){\n      w = columns[i].width;\n\n      rule = getColumnCssRules(i);\n      rule.left.style.left = x + \"px\";\n      rule.right.style.right = (((options.frozenColumn != -1 && i > options.frozenColumn) ? canvasWidthR : canvasWidthL) - x - w) + \"px\";\n\n      // If this column is frozen, reset the css left value since the\n      // column starts in a new viewport.\n      if (options.frozenColumn == i){\n        x = 0;\n      } else {\n        x += columns[i].width;\n      }\n    }\n  }\n\n  function setSortColumn(columnId, ascending){\n    setSortColumns([{\n      columnId: columnId,\n      sortAsc: ascending\n    }]);\n  }\n\n  function setSortColumns(cols){\n    sortColumns = cols;\n\n    var headerColumnEls = $headers.children();\n    headerColumnEls.removeClass(\"slick-header-column-sorted\")\n      .find(\".slick-sort-indicator\")\n      .removeClass(\"slick-sort-indicator-asc slick-sort-indicator-desc\");\n\n    $.each(sortColumns, function(i, col){\n      if (col.sortAsc == null){\n        col.sortAsc = true;\n      }\n      var columnIndex = getColumnIndex(col.columnId);\n      if (columnIndex != null){\n        headerColumnEls.eq(columnIndex)\n          .addClass(\"slick-header-column-sorted\")\n          .find(\".slick-sort-indicator\")\n          .addClass(col.sortAsc ? \"slick-sort-indicator-asc\" : \"slick-sort-indicator-desc\");\n      }\n    });\n  }\n\n  function getSortColumns(){\n    return sortColumns;\n  }\n\n  function handleSelectedRangesChanged(e, ranges){\n    selectedRows = [];\n    var hash = {};\n    for (var i = 0; i < ranges.length; i++){\n      for (var j = ranges[i].fromRow; j <= ranges[i].toRow; j++){\n        if (!hash[j]){ // prevent duplicates\n          selectedRows.push(j);\n          hash[j] = {};\n        }\n        for (var k = ranges[i].fromCell; k <= ranges[i].toCell; k++){\n          if (canCellBeSelected(j, k)){\n            hash[j][columns[k].id] = options.selectedCellCssClass;\n          }\n        }\n      }\n    }\n\n    setCellCssStyles(options.selectedCellCssClass, hash);\n\n    trigger(self.onSelectedRowsChanged, {\n      rows: getSelectedRows()\n    }, e);\n  }\n\n  function getColumns(){\n    return columns;\n  }\n\n  function updateColumnCaches(){\n    // Pre-calculate cell boundaries.\n    columnPosLeft = [];\n    columnPosRight = [];\n    var x = 0;\n    for (var i = 0, ii = columns.length; i < ii; i++){\n      columnPosLeft[i] = x;\n      columnPosRight[i] = x + columns[i].width;\n\n      if (options.frozenColumn == i){\n        x = 0;\n      } else {\n        x += columns[i].width;\n      }\n    }\n  }\n\n  function setColumns(columnDefinitions){\n    var _treeColumns = new Slick.TreeColumns(columnDefinitions);\n    if (_treeColumns.hasDepth()){\n      treeColumns = _treeColumns;\n      columns = treeColumns.extractColumns();\n    } else {\n      columns = columnDefinitions;\n    }\n\n    columnsById = {};\n    for (var i = 0; i < columns.length; i++){\n      var m = columns[i] = $.extend({}, columnDefaults, columns[i]);\n      columnsById[m.id] = i;\n      if (m.minWidth && m.width < m.minWidth){\n        m.width = m.minWidth;\n      }\n      if (m.maxWidth && m.width > m.maxWidth){\n        m.width = m.maxWidth;\n      }\n    }\n\n    updateColumnCaches();\n\n    if (initialized){\n      setPaneVisibility();\n      setOverflow();\n\n      invalidateAllRows();\n      createColumnHeaders();\n      createColumnGroupHeaders();\n      createColumnFooter();\n      removeCssRules();\n      createCssRules();\n      resizeCanvas();\n      updateCanvasWidth();\n      applyColumnWidths();\n      handleScroll();\n    }\n  }\n\n  function getOptions(){\n    return options;\n  }\n\n  function setOptions(args){\n    if (!getEditorLock().commitCurrentEdit()){\n      return;\n    }\n\n    makeActiveCellNormal();\n\n    if (options.enableAddRow !== args.enableAddRow){\n      invalidateRow(getDataLength());\n    }\n\n    options = $.extend(options, args);\n    validateAndEnforceOptions();\n\n    setFrozenOptions();\n    setScroller();\n    zombieRowNodeFromLastMouseWheelEvent = null;\n\n    setColumns(treeColumns.extractColumns());\n    render();\n  }\n\n  function validateAndEnforceOptions(){\n    if (options.autoHeight){\n      options.leaveSpaceForNewRows = false;\n    }\n  }\n\n  function setData(newData, scrollToTop){\n    data = newData;\n    invalidateAllRows();\n    updateRowCount();\n    if (scrollToTop){\n      scrollTo(0);\n    }\n  }\n\n  function getData(){\n    return data;\n  }\n\n  function getDataLength(){\n    if (data.getLength){\n      return data.getLength();\n    } else {\n      return data.length;\n    }\n  }\n\n  function getDataLengthIncludingAddNew(){\n    return getDataLength() + (options.enableAddRow ? 1 : 0);\n  }\n\n  function getDataItem(i){\n    if (data.getItem){\n      return data.getItem(i);\n    } else {\n      return data[i];\n    }\n  }\n\n  function getTopPanel(){\n    return $topPanel[0];\n  }\n\n  function setTopPanelVisibility(visible){\n    if (options.showTopPanel != visible){\n      options.showTopPanel = visible;\n      if (visible){\n        $topPanelScroller.slideDown(\"fast\", resizeCanvas);\n      } else {\n        $topPanelScroller.slideUp(\"fast\", resizeCanvas);\n      }\n    }\n  }\n\n  function setHeaderRowVisibility(visible){\n    if (options.showHeaderRow != visible){\n      options.showHeaderRow = visible;\n      if (visible){\n        $headerRowScroller.slideDown(\"fast\", resizeCanvas);\n      } else {\n        $headerRowScroller.slideUp(\"fast\", resizeCanvas);\n      }\n    }\n  }\n\n  function setFooterRowVisibility(visible){\n    if (options.showFooterRow != visible){\n      options.showFooterRow = visible;\n      if (visible){\n        $footerRowScroller.fadeIn(\"fast\", resizeCanvas);\n      } else {\n        $footerRowScroller.slideDown(\"fast\", resizeCanvas);\n      }\n    }\n  }\n\n  function getContainerNode(){\n    return $container.get(0);\n  }\n\n  //////////////////////////////////////////////////////////////////////////////////////////////\n  // Rendering / Scrolling\n\n  function getRowTop(row){\n    return options.rowHeight * row - offset;\n  }\n\n  function getRowFromPosition(y){\n    return Math.floor((y + offset) / options.rowHeight);\n  }\n\n  function scrollTo(y){\n    y = Math.max(y, 0);\n    y = Math.min(y, th - $viewportScrollContainerY.height() + ((viewportHasHScroll || hasFrozenColumns()) ? scrollbarDimensions.height : 0));\n\n    var oldOffset = offset;\n\n    page = Math.min(n - 1, Math.floor(y / ph));\n    offset = Math.round(page * cj);\n    var newScrollTop = y - offset;\n\n    if (offset != oldOffset){\n      var range = getVisibleRange(newScrollTop);\n      cleanupRows(range);\n      updateRowPositions();\n    }\n\n    if (prevScrollTop != newScrollTop){\n      vScrollDir = (prevScrollTop + oldOffset < newScrollTop + offset) ? 1 : -1;\n\n      lastRenderedScrollTop = (scrollTop = prevScrollTop = newScrollTop);\n\n      if (hasFrozenColumns()){\n        $viewportTopL[0].scrollTop = newScrollTop;\n      }\n\n      if (hasFrozenRows){\n        $viewportBottomL[0].scrollTop = $viewportBottomR[0].scrollTop = newScrollTop;\n      }\n\n      $viewportScrollContainerY[0].scrollTop = newScrollTop;\n\n      trigger(self.onViewportChanged, {});\n    }\n  }\n\n  function defaultFormatter(row, cell, value, columnDef, dataContext){\n    if (value == null){\n      return \"\";\n    } else {\n      return (value + \"\").replace(/&/g, \"&\").replace(/</g, \"<\").replace(/>/g, \">\");\n    }\n  }\n\n  function getFormatter(row, column){\n    var rowMetadata = data.getItemMetadata && data.getItemMetadata(row);\n\n    // look up by id, then index\n    var columnOverrides = rowMetadata && rowMetadata.columns && (rowMetadata.columns[column.id] || rowMetadata.columns[getColumnIndex(column.id)]);\n\n    return (columnOverrides && columnOverrides.formatter) || (rowMetadata && rowMetadata.formatter) || column.formatter || (options.formatterFactory && options.formatterFactory.getFormatter(column)) || options.defaultFormatter;\n  }\n\n  function callFormatter(row, cell, value, m, item){\n\n    var result;\n\n    // pass metadata to formatter\n    var metadata = data.getItemMetadata && data.getItemMetadata(row);\n    metadata = metadata && metadata.columns;\n\n    if (metadata){\n      var columnData = metadata[m.id] || metadata[cell];\n      result = getFormatter(row, m)(row, cell, value, m, item, columnData);\n    } else {\n      result = getFormatter(row, m)(row, cell, value, m, item);\n    }\n\n    return result;\n  }\n\n  function getEditor(row, cell){\n    var column = columns[cell];\n    var rowMetadata = data.getItemMetadata && data.getItemMetadata(row);\n    var columnMetadata = rowMetadata && rowMetadata.columns;\n\n    if (columnMetadata && columnMetadata[column.id] && columnMetadata[column.id].editor !== undefined){\n      return columnMetadata[column.id].editor;\n    }\n    if (columnMetadata && columnMetadata[cell] && columnMetadata[cell].editor !== undefined){\n      return columnMetadata[cell].editor;\n    }\n\n    return column.editor || (options.editorFactory && options.editorFactory.getEditor(column));\n  }\n\n  function getDataItemValueForColumn(item, columnDef){\n    if (options.dataItemColumnValueExtractor){\n      return options.dataItemColumnValueExtractor(item, columnDef);\n    }\n    return item[columnDef.field];\n  }\n\n  function appendRowHtml(stringArrayL, stringArrayR, row, range, dataLength){\n    var d = getDataItem(row);\n    var dataLoading = row < dataLength && !d;\n    var rowCss = \"slick-row\" + (hasFrozenRows && row < options.frozenRow ? ' frozen' : '') + (dataLoading ? \" loading\" : \"\") + (row === activeRow ? \" active\" : \"\") + (row % 2 == 1 ? \" odd\" : \" even\");\n\n    if (!d){\n      rowCss += \" \" + options.addNewRowCssClass;\n    }\n\n    var metadata = data.getItemMetadata && data.getItemMetadata(row);\n\n    if (metadata && metadata.cssClasses){\n      rowCss += \" \" + metadata.cssClasses;\n    }\n\n    var frozenRowOffset = getFrozenRowOffset(row);\n\n    var rowHtml = \"<div class='ui-widget-content \" + rowCss + \"' style='top:\" + (getRowTop(row) - frozenRowOffset) + \"px'>\";\n\n    stringArrayL.push(rowHtml);\n\n    if (hasFrozenColumns()){\n      stringArrayR.push(rowHtml);\n    }\n\n    var colspan, m;\n    for (var i = 0, ii = columns.length; i < ii; i++){\n      m = columns[i];\n      colspan = 1;\n      if (metadata && metadata.columns){\n        var columnData = metadata.columns[m.id] || metadata.columns[i];\n        colspan = (columnData && columnData.colspan) || 1;\n        if (colspan === \"*\"){\n          colspan = ii - i;\n        }\n      }\n\n      // Do not render cells outside of the viewport.\n      if (columnPosRight[Math.min(ii - 1, i + colspan - 1)] > range.leftPx){\n        if (columnPosLeft[i] > range.rightPx){\n          // All columns to the right are outside the range.\n          break;\n        }\n\n        if (hasFrozenColumns() && (i > options.frozenColumn)){\n          appendCellHtml(stringArrayR, row, i, colspan, d);\n        } else {\n          appendCellHtml(stringArrayL, row, i, colspan, d);\n        }\n      } else if (hasFrozenColumns() && (i <= options.frozenColumn)){\n        appendCellHtml(stringArrayL, row, i, colspan, d);\n      }\n\n      if (colspan > 1){\n        i += (colspan - 1);\n      }\n    }\n\n    stringArrayL.push(\"</div>\");\n\n    if (hasFrozenColumns()){\n      stringArrayR.push(\"</div>\");\n    }\n  }\n\n  function appendCellHtml(stringArray, row, cell, colspan, item){\n    var m = columns[cell];\n    var cellCss = \"slick-cell l\" + cell + \" r\" + Math.min(columns.length - 1, cell + colspan - 1) + (m.cssClass ? \" \" + m.cssClass : \"\");\n\n    if (hasFrozenColumns() && cell <= options.frozenColumn) cellCss += ' frozen';\n\n    if (row === activeRow && cell === activeCell) cellCss += \" active\";\n\n    // TODO:  merge them together in the setter\n    for (var key in cellCssClasses){\n      if (cellCssClasses[key][row] && cellCssClasses[key][row][m.id]){\n        cellCss += (\" \" + cellCssClasses[key][row][m.id]);\n      }\n    }\n\n    stringArray.push(\"<div class='\" + cellCss + \"'>\");\n\n    // if there is a corresponding row (if not, this is the Add New row or this data hasn't been loaded yet)\n    if (item){\n      var value = getDataItemValueForColumn(item, m);\n      stringArray.push(callFormatter(row, cell, value, m, item));\n    }\n\n    stringArray.push(\"</div>\");\n\n    rowsCache[row].cellRenderQueue.push(cell);\n    rowsCache[row].cellColSpans[cell] = colspan;\n  }\n\n  function cleanupRows(rangeToKeep){\n    for (var i in rowsCache){\n      var removeFrozenRow = true;\n\n      if (hasFrozenRows && ((options.frozenBottom && i >= actualFrozenRow) // Frozen bottom rows\n          ||\n          (!options.frozenBottom && i <= actualFrozenRow) // Frozen top rows\n        )){\n        removeFrozenRow = false;\n      }\n\n      if (((i = parseInt(i, 10)) !== activeRow) && (i < rangeToKeep.top || i > rangeToKeep.bottom) && (removeFrozenRow)){\n        removeRowFromCache(i);\n      }\n    }\n  }\n\n  function invalidate(){\n    updateRowCount();\n    invalidateAllRows();\n    render();\n  }\n\n  function invalidateAllRows(){\n    if (currentEditor){\n      makeActiveCellNormal();\n    }\n    for (var row in rowsCache){\n      removeRowFromCache(row);\n    }\n  }\n\n  function removeRowFromCache(row){\n    var cacheEntry = rowsCache[row];\n    if (!cacheEntry){\n      return;\n    }\n\n    if (rowNodeFromLastMouseWheelEvent == cacheEntry.rowNode[0] || (hasFrozenColumns() && rowNodeFromLastMouseWheelEvent == cacheEntry.rowNode[1])){\n\n      cacheEntry.rowNode.hide();\n\n      zombieRowNodeFromLastMouseWheelEvent = cacheEntry.rowNode;\n    } else {\n\n      cacheEntry.rowNode.each(function(){\n        this.parentElement.removeChild(this);\n      });\n\n    }\n\n    delete rowsCache[row];\n    delete postProcessedRows[row];\n    renderedRows--;\n    counter_rows_removed++;\n  }\n\n  function invalidateRows(rows){\n    var i, rl;\n    if (!rows || !rows.length){\n      return;\n    }\n    vScrollDir = 0;\n    for (i = 0, rl = rows.length; i < rl; i++){\n      if (currentEditor && activeRow === rows[i]){\n        makeActiveCellNormal();\n      }\n      if (rowsCache[rows[i]]){\n        removeRowFromCache(rows[i]);\n      }\n    }\n  }\n\n  function invalidateRow(row){\n    invalidateRows([row]);\n  }\n\n  function updateCell(row, cell){\n    var cellNode = getCellNode(row, cell);\n    if (!cellNode){\n      return;\n    }\n\n    var m = columns[cell],\n      d = getDataItem(row);\n    if (currentEditor && activeRow === row && activeCell === cell){\n      currentEditor.loadValue(d);\n    } else {\n      cellNode.innerHTML = d ? callFormatter(row, cell, getDataItemValueForColumn(d, m), m, d) : \"\";\n      invalidatePostProcessingResults(row);\n    }\n  }\n\n  function updateRow(row){\n    var cacheEntry = rowsCache[row];\n    if (!cacheEntry){\n      return;\n    }\n\n    ensureCellNodesInRowsCache(row);\n\n    var d = getDataItem(row);\n\n    for (var columnIdx in cacheEntry.cellNodesByColumnIdx){\n      if (!cacheEntry.cellNodesByColumnIdx.hasOwnProperty(columnIdx)){\n        continue;\n      }\n\n      columnIdx = columnIdx | 0;\n      var m = columns[columnIdx],\n        node = cacheEntry.cellNodesByColumnIdx[columnIdx][0];\n\n      if (row === activeRow && columnIdx === activeCell && currentEditor){\n        currentEditor.loadValue(d);\n      } else if (d){\n        node.innerHTML = callFormatter(row, columnIdx, getDataItemValueForColumn(d, m), m, d);\n      } else {\n        node.innerHTML = \"\";\n      }\n    }\n\n    invalidatePostProcessingResults(row);\n  }\n\n  function getViewportHeight(){\n    if (options.autoHeight){\n      viewportH = options.rowHeight * getDataLengthIncludingAddNew() + ((options.frozenColumn == -1) ? $headers.outerHeight() : 0);\n    } else {\n      topPanelH = (options.showTopPanel) ? options.topPanelHeight + getVBoxDelta($topPanelScroller) : 0;\n\n      headerRowH = (options.showHeaderRow) ? options.headerRowHeight + getVBoxDelta($headerRowScroller) : 0;\n\n      footerRowH = (options.showFooterRow) ? options.footerRowHeight + getVBoxDelta($footerRowScroller) : 0;\n\n      viewportH = parseFloat($.css($container[0], \"height\", true)) - parseFloat($.css($container[0], \"paddingTop\", true)) - parseFloat($.css($container[0], \"paddingBottom\", true)) - parseFloat($.css($headerScroller[0], \"height\")) - getVBoxDelta($headerScroller) - topPanelH - headerRowH - footerRowH;\n    }\n\n    numVisibleRows = Math.ceil(viewportH / options.rowHeight);\n  }\n\n  function getViewportWidth(){\n    viewportW = parseFloat($.css($container[0], \"width\", true));\n  }\n\n  function resizeCanvas(){\n    if (!initialized){\n      return;\n    }\n\n    paneTopH = 0\n    paneBottomH = 0\n    viewportTopH = 0\n    viewportBottomH = 0;\n\n    getViewportWidth();\n    getViewportHeight();\n\n    // Account for Frozen Rows\n    if (hasFrozenRows){\n      if (options.frozenBottom){\n        paneTopH = viewportH - frozenRowsHeight - scrollbarDimensions.height;\n\n        paneBottomH = frozenRowsHeight + scrollbarDimensions.height;\n      } else {\n        paneTopH = frozenRowsHeight;\n        paneBottomH = viewportH - frozenRowsHeight;\n      }\n    } else {\n      paneTopH = viewportH;\n    }\n\n    // The top pane includes the top panel and the header row\n    paneTopH += topPanelH + headerRowH + footerRowH;\n\n    if (hasFrozenColumns() && options.autoHeight){\n      paneTopH += scrollbarDimensions.height;\n    }\n\n    // The top viewport does not contain the top panel or header row\n    viewportTopH = paneTopH - topPanelH - headerRowH - footerRowH;\n\n    if (options.autoHeight){\n      if (hasFrozenColumns()){\n        $container.height(\n          paneTopH + parseFloat($.css($headerScrollerL[0], \"height\")));\n      }\n\n      $paneTopL.css('position', 'relative');\n    }\n\n    $paneTopL.css({\n      'top': $paneHeaderL.height(),\n      'height': paneTopH\n    });\n\n    var paneBottomTop = $paneTopL.position().top + paneTopH;\n\n    $viewportTopL.height(viewportTopH);\n\n    if (hasFrozenColumns()){\n      $paneTopR.css({\n        'top': $paneHeaderL.height(),\n        'height': paneTopH\n      });\n\n      $viewportTopR.height(viewportTopH);\n\n      if (hasFrozenRows){\n        $paneBottomL.css({\n          'top': paneBottomTop,\n          'height': paneBottomH\n        });\n\n        $paneBottomR.css({\n          'top': paneBottomTop,\n          'height': paneBottomH\n        });\n\n        $viewportBottomR.height(paneBottomH);\n      }\n    } else {\n      if (hasFrozenRows){\n        $paneBottomL.css({\n          'width': '100%',\n          'height': paneBottomH\n        });\n\n        $paneBottomL.css('top', paneBottomTop);\n      }\n    }\n\n    if (hasFrozenRows){\n      $viewportBottomL.height(paneBottomH);\n\n      if (options.frozenBottom){\n        $canvasBottomL.height(frozenRowsHeight);\n\n        if (hasFrozenColumns()){\n          $canvasBottomR.height(frozenRowsHeight);\n        }\n      } else {\n        $canvasTopL.height(frozenRowsHeight);\n\n        if (hasFrozenColumns()){\n          $canvasTopR.height(frozenRowsHeight);\n        }\n      }\n    } else {\n      $viewportTopR.height(viewportTopH);\n    }\n\n    if (options.forceFitColumns){\n      autosizeColumns();\n    }\n\n    updateRowCount();\n    handleScroll();\n    // Since the width has changed, force the render() to reevaluate virtually rendered cells.\n    lastRenderedScrollLeft = -1;\n    render();\n  }\n\n  function updateRowCount(){\n    if (!initialized){\n      return;\n    }\n\n    var dataLengthIncludingAddNew = getDataLengthIncludingAddNew();\n    var numberOfRows = 0;\n    var oldH = (hasFrozenRows && !options.frozenBottom) ? $canvasBottomL.height() : $canvasTopL.height();\n\n    if (hasFrozenRows){\n      var numberOfRows = getDataLength() - options.frozenRow;\n    } else {\n      var numberOfRows = dataLengthIncludingAddNew + (options.leaveSpaceForNewRows ? numVisibleRows - 1 : 0);\n    }\n\n    var tempViewportH = $viewportScrollContainerY.height();\n    var oldViewportHasVScroll = viewportHasVScroll;\n    // with autoHeight, we do not need to accommodate the vertical scroll bar\n    viewportHasVScroll = !options.autoHeight && (numberOfRows * options.rowHeight > tempViewportH);\n\n    makeActiveCellNormal();\n\n    // remove the rows that are now outside of the data range\n    // this helps avoid redundant calls to .removeRow() when the size of the data decreased by thousands of rows\n    var l = dataLengthIncludingAddNew - 1;\n    for (var i in rowsCache){\n      if (i >= l){\n        removeRowFromCache(i);\n      }\n    }\n\n    th = Math.max(options.rowHeight * numberOfRows, tempViewportH - scrollbarDimensions.height);\n\n    if (activeCellNode && activeRow > l){\n      resetActiveCell();\n    }\n\n    if (th < maxSupportedCssHeight){\n      // just one page\n      h = ph = th;\n      n = 1;\n      cj = 0;\n    } else {\n      // break into pages\n      h = maxSupportedCssHeight;\n      ph = h / 100;\n      n = Math.floor(th / ph);\n      cj = (th - h) / (n - 1);\n    }\n\n    if (h !== oldH){\n      if (hasFrozenRows && !options.frozenBottom){\n        $canvasBottomL.css(\"height\", h);\n\n        if (hasFrozenColumns()){\n          $canvasBottomR.css(\"height\", h);\n        }\n      } else {\n        $canvasTopL.css(\"height\", h);\n        $canvasTopR.css(\"height\", h);\n      }\n\n      scrollTop = $viewportScrollContainerY[0].scrollTop;\n    }\n\n    var oldScrollTopInRange = (scrollTop + offset <= th - tempViewportH);\n\n    if (th == 0 || scrollTop == 0){\n      page = offset = 0;\n    } else if (oldScrollTopInRange){\n      // maintain virtual position\n      scrollTo(scrollTop + offset);\n    } else {\n      // scroll to bottom\n      scrollTo(th - tempViewportH);\n    }\n\n    if (h != oldH && options.autoHeight){\n      resizeCanvas();\n    }\n\n    if (options.forceFitColumns && oldViewportHasVScroll != viewportHasVScroll){\n      autosizeColumns();\n    }\n    updateCanvasWidth(false);\n  }\n\n  function getVisibleRange(viewportTop, viewportLeft){\n    if (viewportTop == null){\n      viewportTop = scrollTop;\n    }\n    if (viewportLeft == null){\n      viewportLeft = scrollLeft;\n    }\n\n    return {\n      top: getRowFromPosition(viewportTop),\n      bottom: getRowFromPosition(viewportTop + viewportH) + 1,\n      leftPx: viewportLeft,\n      rightPx: viewportLeft + viewportW\n    };\n  }\n\n  function getRenderedRange(viewportTop, viewportLeft){\n    var range = getVisibleRange(viewportTop, viewportLeft);\n    var buffer = Math.round(viewportH / options.rowHeight);\n    var minBuffer = 3;\n\n    if (vScrollDir == -1){\n      range.top -= buffer;\n      range.bottom += minBuffer;\n    } else if (vScrollDir == 1){\n      range.top -= minBuffer;\n      range.bottom += buffer;\n    } else {\n      range.top -= minBuffer;\n      range.bottom += minBuffer;\n    }\n\n    range.top = Math.max(0, range.top);\n    range.bottom = Math.min(getDataLengthIncludingAddNew() - 1, range.bottom);\n\n    range.leftPx -= viewportW;\n    range.rightPx += viewportW;\n\n    range.leftPx = Math.max(0, range.leftPx);\n    range.rightPx = Math.min(canvasWidth, range.rightPx);\n\n    return range;\n  }\n\n  function ensureCellNodesInRowsCache(row){\n    var cacheEntry = rowsCache[row];\n    if (cacheEntry){\n      if (cacheEntry.cellRenderQueue.length){\n        var $lastNode = cacheEntry.rowNode.children().last();\n        while (cacheEntry.cellRenderQueue.length){\n          var columnIdx = cacheEntry.cellRenderQueue.pop();\n\n          cacheEntry.cellNodesByColumnIdx[columnIdx] = $lastNode;\n          $lastNode = $lastNode.prev();\n\n          // Hack to retrieve the frozen columns because\n          if ($lastNode.length == 0){\n            $lastNode = $(cacheEntry.rowNode[0]).children().last();\n          }\n        }\n      }\n    }\n  }\n\n  function cleanUpCells(range, row){\n    // Ignore frozen rows\n    if (hasFrozenRows && ((options.frozenBottom && row > actualFrozenRow) // Frozen bottom rows\n        ||\n        (row <= actualFrozenRow) // Frozen top rows\n      )){\n      return;\n    }\n\n    var totalCellsRemoved = 0;\n    var cacheEntry = rowsCache[row];\n\n    // Remove cells outside the range.\n    var cellsToRemove = [];\n    for (var i in cacheEntry.cellNodesByColumnIdx){\n      // I really hate it when people mess with Array.prototype.\n      if (!cacheEntry.cellNodesByColumnIdx.hasOwnProperty(i)){\n        continue;\n      }\n\n      // This is a string, so it needs to be cast back to a number.\n      i = i | 0;\n\n      // Ignore frozen columns\n      if (i <= options.frozenColumn){\n        continue;\n      }\n\n      var colspan = cacheEntry.cellColSpans[i];\n      if (columnPosLeft[i] > range.rightPx || columnPosRight[Math.min(columns.length - 1, i + colspan - 1)] < range.leftPx){\n        if (!(row == activeRow && i == activeCell)){\n          cellsToRemove.push(i);\n        }\n      }\n    }\n\n    var cellToRemove;\n    while ((cellToRemove = cellsToRemove.pop()) != null){\n      cacheEntry.cellNodesByColumnIdx[cellToRemove][0].parentElement.removeChild(cacheEntry.cellNodesByColumnIdx[cellToRemove][0]);\n      delete cacheEntry.cellColSpans[cellToRemove];\n      delete cacheEntry.cellNodesByColumnIdx[cellToRemove];\n      if (postProcessedRows[row]){\n        delete postProcessedRows[row][cellToRemove];\n      }\n      totalCellsRemoved++;\n    }\n  }\n\n  function cleanUpAndRenderCells(range){\n    var cacheEntry;\n    var stringArray = [];\n    var processedRows = [];\n    var cellsAdded;\n    var totalCellsAdded = 0;\n    var colspan;\n\n    for (var row = range.top, btm = range.bottom; row <= btm; row++){\n      cacheEntry = rowsCache[row];\n      if (!cacheEntry){\n        continue;\n      }\n\n      // cellRenderQueue populated in renderRows() needs to be cleared first\n      ensureCellNodesInRowsCache(row);\n\n      cleanUpCells(range, row);\n\n      // Render missing cells.\n      cellsAdded = 0;\n\n      var metadata = data.getItemMetadata && data.getItemMetadata(row);\n      metadata = metadata && metadata.columns;\n\n      var d = getDataItem(row);\n\n      // TODO:  shorten this loop (index? heuristics? binary search?)\n      for (var i = 0, ii = columns.length; i < ii; i++){\n        // Cells to the right are outside the range.\n        if (columnPosLeft[i] > range.rightPx){\n          break;\n        }\n\n        // Already rendered.\n        if ((colspan = cacheEntry.cellColSpans[i]) != null){\n          i += (colspan > 1 ? colspan - 1 : 0);\n          continue;\n        }\n\n        colspan = 1;\n        if (metadata){\n          var columnData = metadata[columns[i].id] || metadata[i];\n          colspan = (columnData && columnData.colspan) || 1;\n          if (colspan === \"*\"){\n            colspan = ii - i;\n          }\n        }\n\n        if (columnPosRight[Math.min(ii - 1, i + colspan - 1)] > range.leftPx){\n          appendCellHtml(stringArray, row, i, colspan, d);\n          cellsAdded++;\n        }\n\n        i += (colspan > 1 ? colspan - 1 : 0);\n      }\n\n      if (cellsAdded){\n        totalCellsAdded += cellsAdded;\n        processedRows.push(row);\n      }\n    }\n\n    if (!stringArray.length){\n      return;\n    }\n\n    var x = document.createElement(\"div\");\n    x.innerHTML = stringArray.join(\"\");\n\n    var processedRow;\n    var $node;\n    while ((processedRow = processedRows.pop()) != null){\n      cacheEntry = rowsCache[processedRow];\n      var columnIdx;\n      while ((columnIdx = cacheEntry.cellRenderQueue.pop()) != null){\n        $node = $(x).children().last();\n\n        if (hasFrozenColumns() && (columnIdx > options.frozenColumn)){\n          $(cacheEntry.rowNode[1]).append($node);\n        } else {\n          $(cacheEntry.rowNode[0]).append($node);\n        }\n\n        cacheEntry.cellNodesByColumnIdx[columnIdx] = $node;\n      }\n    }\n  }\n\n  function renderRows(range){\n    var stringArrayL = [],\n      stringArrayR = [],\n      rows = [],\n      needToReselectCell = false,\n      dataLength = getDataLength();\n\n    for (var i = range.top, ii = range.bottom; i <= ii; i++){\n      if (rowsCache[i] || (hasFrozenRows && options.frozenBottom && i == getDataLength())){\n        continue;\n      }\n      renderedRows++;\n      rows.push(i);\n\n      // Create an entry right away so that appendRowHtml() can\n      // start populatating it.\n      rowsCache[i] = {\n        \"rowNode\": null,\n\n        // ColSpans of rendered cells (by column idx).\n        // Can also be used for checking whether a cell has been rendered.\n        \"cellColSpans\": [],\n\n        // Cell nodes (by column idx).  Lazy-populated by ensureCellNodesInRowsCache().\n        \"cellNodesByColumnIdx\": [],\n\n        // Column indices of cell nodes that have been rendered, but not yet indexed in\n        // cellNodesByColumnIdx.  These are in the same order as cell nodes added at the\n        // end of the row.\n        \"cellRenderQueue\": []\n      };\n\n      appendRowHtml(stringArrayL, stringArrayR, i, range, dataLength);\n      if (activeCellNode && activeRow === i){\n        needToReselectCell = true;\n      }\n      counter_rows_rendered++;\n    }\n\n    if (!rows.length){\n      return;\n    }\n\n    var x = document.createElement(\"div\"),\n      xRight = document.createElement(\"div\");\n\n    x.innerHTML = stringArrayL.join(\"\");\n    xRight.innerHTML = stringArrayR.join(\"\");\n\n    for (var i = 0, ii = rows.length; i < ii; i++){\n      if ((hasFrozenRows) && (rows[i] >= actualFrozenRow)){\n        if (hasFrozenColumns()){\n          rowsCache[rows[i]].rowNode = $()\n            .add($(x.firstChild).appendTo($canvasBottomL))\n            .add($(xRight.firstChild).appendTo($canvasBottomR));\n        } else {\n          rowsCache[rows[i]].rowNode = $()\n            .add($(x.firstChild).appendTo($canvasBottomL));\n        }\n      } else if (hasFrozenColumns()){\n        rowsCache[rows[i]].rowNode = $()\n          .add($(x.firstChild).appendTo($canvasTopL))\n          .add($(xRight.firstChild).appendTo($canvasTopR));\n      } else {\n        rowsCache[rows[i]].rowNode = $()\n          .add($(x.firstChild).appendTo($canvasTopL));\n      }\n    }\n\n    if (needToReselectCell){\n      activeCellNode = getCellNode(activeRow, activeCell);\n    }\n  }\n\n  function startPostProcessing(){\n    if (!options.enableAsyncPostRender){\n      return;\n    }\n    clearTimeout(h_postrender);\n    h_postrender = setTimeout(asyncPostProcessRows, options.asyncPostRenderDelay);\n  }\n\n  function invalidatePostProcessingResults(row){\n    delete postProcessedRows[row];\n    postProcessFromRow = Math.min(postProcessFromRow, row);\n    postProcessToRow = Math.max(postProcessToRow, row);\n    startPostProcessing();\n  }\n\n  function updateRowPositions(){\n    for (var row in rowsCache){\n      rowsCache[row].rowNode.css('top', getRowTop(row) + \"px\");\n    }\n  }\n\n  function render(){\n    if (!initialized){\n      return;\n    }\n    var visible = getVisibleRange();\n    var rendered = getRenderedRange();\n\n    // remove rows no longer in the viewport\n    cleanupRows(rendered);\n\n    // add new rows & missing cells in existing rows\n    if (lastRenderedScrollLeft != scrollLeft){\n\n      if (hasFrozenRows){\n\n        var renderedFrozenRows = $.extend(true, {}, rendered);\n\n        if (options.frozenBottom){\n\n          renderedFrozenRows.top = actualFrozenRow;\n          renderedFrozenRows.bottom = getDataLength();\n        } else {\n\n          renderedFrozenRows.top = 0;\n          renderedFrozenRows.bottom = options.frozenRow;\n        }\n\n        cleanUpAndRenderCells(renderedFrozenRows);\n      }\n\n      cleanUpAndRenderCells(rendered);\n    }\n\n    // render missing rows\n    renderRows(rendered);\n\n    // Render frozen rows\n    if (hasFrozenRows){\n      if (options.frozenBottom){\n        renderRows({\n          top: actualFrozenRow,\n          bottom: getDataLength() - 1,\n          leftPx: rendered.leftPx,\n          rightPx: rendered.rightPx\n        });\n      } else {\n        renderRows({\n          top: 0,\n          bottom: options.frozenRow - 1,\n          leftPx: rendered.leftPx,\n          rightPx: rendered.rightPx\n        });\n      }\n    }\n\n    postProcessFromRow = visible.top;\n    postProcessToRow = Math.min(getDataLengthIncludingAddNew() - 1, visible.bottom);\n    startPostProcessing();\n\n    lastRenderedScrollTop = scrollTop;\n    lastRenderedScrollLeft = scrollLeft;\n    h_render = null;\n  }\n\n  function handleHeaderRowScroll(){\n    var scrollLeft = $headerRowScrollContainer[0].scrollLeft;\n    if (scrollLeft != $viewportScrollContainerX[0].scrollLeft){\n      $viewportScrollContainerX[0].scrollLeft = scrollLeft;\n    }\n  }\n\n  function handleFooterRowScroll(){\n    var scrollLeft = $footerRowScrollContainer[0].scrollLeft;\n    if (scrollLeft != $viewportScrollContainerX[0].scrollLeft){\n      $viewportScrollContainerX[0].scrollLeft = scrollLeft;\n    }\n  }\n\n  function handleMouseWheel(e, delta, deltaX, deltaY){\n    var $rowNode = $(e.target).closest(\".slick-row\");\n    var rowNode = $rowNode[0];\n\n    if (rowNode != rowNodeFromLastMouseWheelEvent){\n\n      var $gridCanvas = $rowNode.parents('.grid-canvas');\n      var left = $gridCanvas.hasClass('grid-canvas-left');\n\n      if (zombieRowNodeFromLastMouseWheelEvent && zombieRowNodeFromLastMouseWheelEvent[left ? 0 : 1] != rowNode){\n        var zombieRow = zombieRowNodeFromLastMouseWheelEvent[left || zombieRowNodeFromLastMouseWheelEvent.length == 1 ? 0 : 1];\n        zombieRow.parentElement.removeChild(zombieRow);\n\n        zombieRowNodeFromLastMouseWheelEvent = null;\n      }\n\n      rowNodeFromLastMouseWheelEvent = rowNode;\n    }\n\n    scrollTop = Math.max(0, $viewportScrollContainerY[0].scrollTop - (deltaY * options.rowHeight));\n    scrollLeft = $viewportScrollContainerX[0].scrollLeft + (deltaX * 10);\n    var handled = _handleScroll(true);\n    if (handled) e.preventDefault();\n  }\n\n  function handleScroll(){\n    scrollTop = $viewportScrollContainerY[0].scrollTop;\n    scrollLeft = $viewportScrollContainerX[0].scrollLeft;\n    return _handleScroll(false);\n  }\n\n  function _handleScroll(isMouseWheel){\n    var maxScrollDistanceY = $viewportScrollContainerY[0].scrollHeight - $viewportScrollContainerY[0].clientHeight;\n    var maxScrollDistanceX = $viewportScrollContainerY[0].scrollWidth - $viewportScrollContainerY[0].clientWidth;\n    var hasFrozenCols = hasFrozenColumns();\n\n    // Ceiling the max scroll values\n    if (scrollTop > maxScrollDistanceY){\n      scrollTop = maxScrollDistanceY;\n    }\n    if (scrollLeft > maxScrollDistanceX){\n      scrollLeft = maxScrollDistanceX;\n    }\n\n    var vScrollDist = Math.abs(scrollTop - prevScrollTop);\n    var hScrollDist = Math.abs(scrollLeft - prevScrollLeft);\n\n    if (hScrollDist){\n      prevScrollLeft = scrollLeft;\n\n      $viewportScrollContainerX[0].scrollLeft = scrollLeft;\n      $headerScrollContainer[0].scrollLeft = scrollLeft;\n      $topPanelScroller[0].scrollLeft = scrollLeft;\n      $headerRowScrollContainer[0].scrollLeft = scrollLeft;\n      $footerRowScrollContainer[0].scrollLeft = scrollLeft;\n\n      if (hasFrozenCols){\n        if (hasFrozenRows){\n          $viewportTopR[0].scrollLeft = scrollLeft;\n        }\n      } else {\n        if (hasFrozenRows){\n          $viewportTopL[0].scrollLeft = scrollLeft;\n        }\n      }\n    }\n\n    if (vScrollDist){\n      vScrollDir = prevScrollTop < scrollTop ? 1 : -1;\n      prevScrollTop = scrollTop;\n\n      if (isMouseWheel){\n        $viewportScrollContainerY[0].scrollTop = scrollTop;\n      }\n\n      if (hasFrozenCols){\n        if (hasFrozenRows && !options.frozenBottom){\n          $viewportBottomL[0].scrollTop = scrollTop;\n        } else {\n          $viewportTopL[0].scrollTop = scrollTop;\n        }\n      }\n\n      // switch virtual pages if needed\n      if (vScrollDist < viewportH){\n        scrollTo(scrollTop + offset);\n      } else {\n        var oldOffset = offset;\n        if (h == viewportH){\n          page = 0;\n        } else {\n          page = Math.min(n - 1, Math.floor(scrollTop * ((th - viewportH) / (h - viewportH)) * (1 / ph)));\n        }\n        offset = Math.round(page * cj);\n        if (oldOffset != offset){\n          invalidateAllRows();\n        }\n      }\n    }\n\n    if (hScrollDist || vScrollDist){\n      if (h_render){\n        clearTimeout(h_render);\n      }\n\n      if (Math.abs(lastRenderedScrollTop - scrollTop) > 20 || Math.abs(lastRenderedScrollLeft - scrollLeft) > 20){\n        if (options.forceSyncScrolling || (\n          Math.abs(lastRenderedScrollTop - scrollTop) < viewportH && Math.abs(lastRenderedScrollLeft - scrollLeft) < viewportW)){\n          render();\n        } else {\n          h_render = setTimeout(render, 50);\n        }\n\n        trigger(self.onViewportChanged, {});\n      }\n    }\n\n    trigger(self.onScroll, {\n      scrollLeft: scrollLeft,\n      scrollTop: scrollTop\n    });\n\n    if (hScrollDist || vScrollDist) return true;\n    return false;\n  }\n\n  function asyncPostProcessRows(){\n    var dataLength = getDataLength();\n    while (postProcessFromRow <= postProcessToRow){\n      var row = (vScrollDir >= 0) ? postProcessFromRow++ : postProcessToRow--;\n      var cacheEntry = rowsCache[row];\n      if (!cacheEntry || row >= dataLength){\n        continue;\n      }\n\n      if (!postProcessedRows[row]){\n        postProcessedRows[row] = {};\n      }\n\n      ensureCellNodesInRowsCache(row);\n      for (var columnIdx in cacheEntry.cellNodesByColumnIdx){\n        if (!cacheEntry.cellNodesByColumnIdx.hasOwnProperty(columnIdx)){\n          continue;\n        }\n\n        columnIdx = columnIdx | 0;\n\n        var m = columns[columnIdx];\n        if (m.asyncPostRender && !postProcessedRows[row][columnIdx]){\n          var node = cacheEntry.cellNodesByColumnIdx[columnIdx];\n          if (node){\n            m.asyncPostRender(node, row, getDataItem(row), m);\n          }\n          postProcessedRows[row][columnIdx] = true;\n        }\n      }\n\n      h_postrender = setTimeout(asyncPostProcessRows, options.asyncPostRenderDelay);\n      return;\n    }\n  }\n\n  function updateCellCssStylesOnRenderedRows(addedHash, removedHash){\n    var node, columnId, addedRowHash, removedRowHash;\n    for (var row in rowsCache){\n      removedRowHash = removedHash && removedHash[row];\n      addedRowHash = addedHash && addedHash[row];\n\n      if (removedRowHash){\n        for (columnId in removedRowHash){\n          if (!addedRowHash || removedRowHash[columnId] != addedRowHash[columnId]){\n            node = getCellNode(row, getColumnIndex(columnId));\n            if (node){\n              $(node).removeClass(removedRowHash[columnId]);\n            }\n          }\n        }\n      }\n\n      if (addedRowHash){\n        for (columnId in addedRowHash){\n          if (!removedRowHash || removedRowHash[columnId] != addedRowHash[columnId]){\n            node = getCellNode(row, getColumnIndex(columnId));\n            if (node){\n              $(node).addClass(addedRowHash[columnId]);\n            }\n          }\n        }\n      }\n    }\n  }\n\n  function addCellCssStyles(key, hash){\n    if (cellCssClasses[key]){\n      throw \"addCellCssStyles: cell CSS hash with key '\" + key + \"' already exists.\";\n    }\n\n    cellCssClasses[key] = hash;\n    updateCellCssStylesOnRenderedRows(hash, null);\n\n    trigger(self.onCellCssStylesChanged, {\n      \"key\": key,\n      \"hash\": hash\n    });\n  }\n\n  function removeCellCssStyles(key){\n    if (!cellCssClasses[key]){\n      return;\n    }\n\n    updateCellCssStylesOnRenderedRows(null, cellCssClasses[key]);\n    delete cellCssClasses[key];\n\n    trigger(self.onCellCssStylesChanged, {\n      \"key\": key,\n      \"hash\": null\n    });\n  }\n\n  function setCellCssStyles(key, hash){\n    var prevHash = cellCssClasses[key];\n\n    cellCssClasses[key] = hash;\n    updateCellCssStylesOnRenderedRows(hash, prevHash);\n\n    trigger(self.onCellCssStylesChanged, {\n      \"key\": key,\n      \"hash\": hash\n    });\n  }\n\n  function getCellCssStyles(key){\n    return cellCssClasses[key];\n  }\n\n  function flashCell(row, cell, speed){\n    speed = speed || 100;\n    if (rowsCache[row]){\n      var $cell = $(getCellNode(row, cell));\n\n      function toggleCellClass(times){\n        if (!times){\n          return;\n        }\n        setTimeout(function(){\n            $cell.queue(function(){\n              $cell.toggleClass(options.cellFlashingCssClass).dequeue();\n              toggleCellClass(times - 1);\n            });\n          },\n          speed);\n      }\n\n      toggleCellClass(4);\n    }\n  }\n\n  //////////////////////////////////////////////////////////////////////////////////////////////\n  // Interactivity\n\n  function handleDragInit(e, dd){\n    var cell = getCellFromEvent(e);\n    if (!cell || !cellExists(cell.row, cell.cell)){\n      return false;\n    }\n\n    var retval = trigger(self.onDragInit, dd, e);\n    if (e.isImmediatePropagationStopped()){\n      return retval;\n    }\n\n    // if nobody claims to be handling drag'n'drop by stopping immediate propagation,\n    // cancel out of it\n    return false;\n  }\n\n  function handleDragStart(interactEvent){\n    var event = $.Event(interactEvent.originalEvent.type, interactEvent.originalEvent);\n    var cell = getCellFromEvent(event);\n    if (!cell || !cellExists(cell.row, cell.cell)){\n      return false;\n    }\n\n    var retval = trigger(self.onDragStart, interactEvent, event);\n    if (event.isImmediatePropagationStopped()){\n      return retval;\n    }\n\n    return false;\n  }\n\n  function handleDrag(interactEvent){\n    var event = $.Event(interactEvent.originalEvent.type, interactEvent.originalEvent);\n    return trigger(self.onDrag, interactEvent, event);\n  }\n\n  function handleDragEnd(interactEvent){\n    trigger(self.onDragEnd, interactEvent, $.Event('mousedown'));\n  }\n\n  function handleKeyDown(e){\n    trigger(self.onKeyDown, {\n      row: activeRow,\n      cell: activeCell\n    }, e);\n    var handled = e.isImmediatePropagationStopped();\n\n    if (!handled){\n      if (!e.shiftKey && !e.altKey && !e.ctrlKey){\n        if (e.which == 27){\n          if (!getEditorLock().isActive()){\n            return; // no editing mode to cancel, allow bubbling and default processing (exit without cancelling the event)\n          }\n          cancelEditAndSetFocus();\n        } else if (e.which == 34){\n          navigatePageDown();\n          handled = true;\n        } else if (e.which == 33){\n          navigatePageUp();\n          handled = true;\n        } else if (e.which == 37){\n          handled = navigateLeft();\n        } else if (e.which == 39){\n          handled = navigateRight();\n        } else if (e.which == 38){\n          handled = navigateUp();\n        } else if (e.which == 40){\n          handled = navigateDown();\n        } else if (e.which == 9){\n          handled = navigateNext();\n        } else if (e.which == 13){\n          if (options.editable){\n            if (currentEditor){\n              // adding new row\n              if (activeRow === getDataLength()){\n                navigateDown();\n              } else {\n                commitEditAndSetFocus();\n              }\n            } else {\n              if (getEditorLock().commitCurrentEdit()){\n                makeActiveCellEditable();\n              }\n            }\n          }\n          handled = true;\n        }\n      } else if (e.which == 9 && e.shiftKey && !e.ctrlKey && !e.altKey){\n        handled = navigatePrev();\n      }\n    }\n\n    if (handled){\n      // the event has been handled so don't let parent element (bubbling/propagation) or browser (default) handle it\n      e.stopPropagation();\n      e.preventDefault();\n      try {\n        e.originalEvent.keyCode = 0; // prevent default behaviour for special keys in IE browsers (F3, F5, etc.)\n      }\n        // ignore exceptions - setting the original event's keycode throws access denied exception for \"Ctrl\"\n        // (hitting control key only, nothing else), \"Shift\" (maybe others)\n      catch (error) {\n      }\n    }\n  }\n\n  function handleClick(e){\n    if (!currentEditor){\n      // if this click resulted in some cell child node getting focus,\n      // don't steal it back - keyboard events will still bubble up\n      // IE9+ seems to default DIVs to tabIndex=0 instead of -1, so check for cell clicks directly.\n      if (e.target != document.activeElement || $(e.target).hasClass(\"slick-cell\")){\n        setFocus();\n      }\n    }\n\n    var cell = getCellFromEvent(e);\n    if (!cell || (currentEditor !== null && activeRow == cell.row && activeCell == cell.cell)){\n      return;\n    }\n\n    trigger(self.onClick, {\n      row: cell.row,\n      cell: cell.cell\n    }, e);\n    if (e.isImmediatePropagationStopped()){\n      return;\n    }\n\n    if ((activeCell != cell.cell || activeRow != cell.row) && canCellBeActive(cell.row, cell.cell)){\n      if (!getEditorLock().isActive() || getEditorLock().commitCurrentEdit()){\n\n        scrollRowIntoView(cell.row, false);\n        setActiveCellInternal(getCellNode(cell.row, cell.cell));\n      }\n    }\n  }\n\n  function handleContextMenu(e){\n    var $cell = $(e.target).closest(\".slick-cell\", $canvas);\n    if ($cell.length === 0){\n      return;\n    }\n\n    // are we editing this cell?\n    if (activeCellNode === $cell[0] && currentEditor !== null){\n      return;\n    }\n\n    trigger(self.onContextMenu, {}, e);\n  }\n\n  function handleDblClick(e){\n    var cell = getCellFromEvent(e);\n    if (!cell || (currentEditor !== null && activeRow == cell.row && activeCell == cell.cell)){\n      return;\n    }\n\n    trigger(self.onDblClick, {\n      row: cell.row,\n      cell: cell.cell\n    }, e);\n    if (e.isImmediatePropagationStopped()){\n      return;\n    }\n\n    if (options.editable){\n      gotoCell(cell.row, cell.cell, true);\n    }\n  }\n\n  function handleHeaderMouseEnter(e){\n    trigger(self.onHeaderMouseEnter, {\n      \"column\": $(this).data(\"column\")\n    }, e);\n  }\n\n  function handleHeaderMouseLeave(e){\n    trigger(self.onHeaderMouseLeave, {\n      \"column\": $(this).data(\"column\")\n    }, e);\n  }\n\n  function handleHeaderContextMenu(e){\n    var $header = $(e.target).closest(\".slick-header-column\", \".slick-header-columns\");\n    var column = $header && $header.data(\"column\");\n    trigger(self.onHeaderContextMenu, {\n      column: column\n    }, e);\n  }\n\n  function handleHeaderClick(e){\n    var $header = $(e.target).closest(\".slick-header-column\", \".slick-header-columns\");\n    var column = $header && $header.data(\"column\");\n    if (column){\n      trigger(self.onHeaderClick, {\n        column: column\n      }, e);\n    }\n  }\n\n  function handleMouseEnter(e){\n    trigger(self.onMouseEnter, {}, e);\n  }\n\n  function handleMouseLeave(e){\n    trigger(self.onMouseLeave, {}, e);\n  }\n\n  function cellExists(row, cell){\n    return !(row < 0 || row >= getDataLength() || cell < 0 || cell >= columns.length);\n  }\n\n  function getCellFromPoint(x, y){\n    var row = getRowFromPosition(y);\n    var cell = 0;\n\n    var w = 0;\n    for (var i = 0; i < columns.length && w < x; i++){\n      w += columns[i].width;\n      cell++;\n    }\n\n    if (cell < 0){\n      cell = 0;\n    }\n\n    return {\n      row: row,\n      cell: cell - 1\n    };\n  }\n\n  function getCellFromNode(cellNode){\n    // read column number from .l<columnNumber> CSS class\n    var cls = /l\\d+/.exec(cellNode.className);\n    if (!cls){\n      throw \"getCellFromNode: cannot get cell - \" + cellNode.className;\n    }\n    return parseInt(cls[0].substr(1, cls[0].length - 1), 10);\n  }\n\n  function getRowFromNode(rowNode){\n    for (var row in rowsCache)\n      for (var i in rowsCache[row].rowNode)\n        if (rowsCache[row].rowNode[i] === rowNode) return row | 0;\n\n    return null;\n  }\n\n  function getFrozenRowOffset(row){\n    var offset = (hasFrozenRows) ? (options.frozenBottom) ? (row >= actualFrozenRow) ? (h < viewportTopH) ? (actualFrozenRow * options.rowHeight) : h : 0 : (row >= actualFrozenRow) ? frozenRowsHeight : 0 : 0;\n\n    return offset;\n  }\n\n  function getCellFromEvent(e){\n    var row, cell;\n    var $cell = $(e.target).closest(\".slick-cell\", $canvas);\n    if (!$cell.length){\n      return null;\n    }\n\n    row = getRowFromNode($cell[0].parentNode);\n\n    if (hasFrozenRows){\n\n      var c = $cell.parents('.grid-canvas').offset();\n\n      var rowOffset = 0;\n      var isBottom = $cell.parents('.grid-canvas-bottom').length;\n\n      if (isBottom){\n        rowOffset = (options.frozenBottom) ? $canvasTopL.height() : frozenRowsHeight;\n      }\n\n      row = getCellFromPoint(e.clientX - c.left, e.clientY - c.top + rowOffset + $(document).scrollTop()).row;\n    }\n\n    cell = getCellFromNode($cell[0]);\n\n    if (row == null || cell == null){\n      return null;\n    } else {\n      return {\n        \"row\": row,\n        \"cell\": cell\n      };\n    }\n  }\n\n  function getCellNodeBox(row, cell){\n    if (!cellExists(row, cell)){\n      return null;\n    }\n\n    var frozenRowOffset = getFrozenRowOffset(row);\n\n    var y1 = getRowTop(row) - frozenRowOffset;\n    var y2 = y1 + options.rowHeight - 1;\n    var x1 = 0;\n    for (var i = 0; i < cell; i++){\n      x1 += columns[i].width;\n\n      if (options.frozenColumn == i){\n        x1 = 0;\n      }\n    }\n    var x2 = x1 + columns[cell].width;\n\n    return {\n      top: y1,\n      left: x1,\n      bottom: y2,\n      right: x2\n    };\n  }\n\n  //////////////////////////////////////////////////////////////////////////////////////////////\n  // Cell switching\n\n  function resetActiveCell(){\n    setActiveCellInternal(null, false);\n  }\n\n  function setFocus(){\n    if (tabbingDirection == -1){\n      $focusSink[0].focus();\n    } else {\n      $focusSink2[0].focus();\n    }\n  }\n\n  function scrollCellIntoView(row, cell, doPaging){\n    // Don't scroll to frozen cells\n    if (cell <= options.frozenColumn){\n      return;\n    }\n\n    if (row < actualFrozenRow){\n      scrollRowIntoView(row, doPaging);\n    }\n\n    var colspan = getColspan(row, cell);\n    var left = columnPosLeft[cell],\n      right = columnPosRight[cell + (colspan > 1 ? colspan - 1 : 0)],\n      scrollRight = scrollLeft + $viewportScrollContainerX.width();\n\n    if (left < scrollLeft){\n      $viewportScrollContainerX.scrollLeft(left);\n      handleScroll();\n      render();\n    } else if (right > scrollRight){\n      $viewportScrollContainerX.scrollLeft(Math.min(left, right - $viewportScrollContainerX[0].clientWidth));\n      handleScroll();\n      render();\n    }\n  }\n\n  function setActiveCellInternal(newCell, opt_editMode){\n    if (activeCellNode !== null){\n      makeActiveCellNormal();\n      $(activeCellNode).removeClass(\"active\");\n      if (rowsCache[activeRow]){\n        $(rowsCache[activeRow].rowNode).removeClass(\"active\");\n      }\n    }\n\n    var activeCellChanged = (activeCellNode !== newCell);\n    activeCellNode = newCell;\n\n    if (activeCellNode != null){\n      var $activeCellNode = $(activeCellNode);\n      var $activeCellOffset = $activeCellNode.offset();\n\n      var rowOffset = Math.floor($activeCellNode.parents('.grid-canvas').offset().top);\n      var isBottom = $activeCellNode.parents('.grid-canvas-bottom').length;\n\n      if (hasFrozenRows && isBottom){\n        rowOffset -= (options.frozenBottom) ? $canvasTopL.height() : frozenRowsHeight;\n      }\n\n      var cell = getCellFromPoint($activeCellOffset.left, Math.ceil($activeCellOffset.top) - rowOffset);\n\n      activeRow = cell.row;\n      activeCell = activePosX = activeCell = activePosX = getCellFromNode(activeCellNode[0]);\n\n      $activeCellNode.addClass(\"active\");\n      if (rowsCache[activeRow]){\n        $(rowsCache[activeRow].rowNode).addClass('active');\n      }\n\n      if (opt_editMode == null){\n        opt_editMode = (activeRow == getDataLength()) || options.autoEdit;\n      }\n\n      if (options.editable && opt_editMode && isCellPotentiallyEditable(activeRow, activeCell)){\n        clearTimeout(h_editorLoader);\n\n        if (options.asyncEditorLoading){\n          h_editorLoader = setTimeout(function(){\n            makeActiveCellEditable();\n          }, options.asyncEditorLoadDelay);\n        } else {\n          makeActiveCellEditable();\n        }\n      }\n    } else {\n      activeRow = activeCell = null;\n    }\n\n    if (activeCellChanged){\n      setTimeout(scrollActiveCellIntoView, 50);\n      trigger(self.onActiveCellChanged, getActiveCell());\n    }\n  }\n\n  function clearTextSelection(){\n    if (document.selection && document.selection.empty){\n      try {\n        //IE fails here if selected element is not in dom\n        document.selection.empty();\n      } catch (e) {\n      }\n    } else if (window.getSelection){\n      var sel = window.getSelection();\n      if (sel && sel.removeAllRanges){\n        sel.removeAllRanges();\n      }\n    }\n  }\n\n  function isCellPotentiallyEditable(row, cell){\n    var dataLength = getDataLength();\n    // is the data for this row loaded?\n    if (row < dataLength && !getDataItem(row)){\n      return false;\n    }\n\n    // are we in the Add New row?  can we create new from this cell?\n    if (columns[cell].cannotTriggerInsert && row >= dataLength){\n      return false;\n    }\n\n    // does this cell have an editor?\n    if (!getEditor(row, cell)){\n      return false;\n    }\n\n    return true;\n  }\n\n  function makeActiveCellNormal(){\n    if (!currentEditor){\n      return;\n    }\n    trigger(self.onBeforeCellEditorDestroy, {\n      editor: currentEditor\n    });\n    currentEditor.destroy();\n    currentEditor = null;\n\n    if (activeCellNode){\n      var d = getDataItem(activeRow);\n      $(activeCellNode).removeClass(\"editable invalid\");\n      if (d){\n        var column = columns[activeCell];\n        activeCellNode[0].innerHTML = callFormatter(activeRow, activeCell, getDataItemValueForColumn(d, column), column, d);\n        invalidatePostProcessingResults(activeRow);\n      }\n    }\n\n    // if there previously was text selected on a page (such as selected text in the edit cell just removed),\n    // IE can't set focus to anything else correctly\n    if (navigator.userAgent.toLowerCase().match(/msie/)){\n      clearTextSelection();\n    }\n\n    getEditorLock().deactivate(editController);\n  }\n\n  function makeActiveCellEditable(editor){\n    if (!activeCellNode){\n      return;\n    }\n    if (!options.editable){\n      throw \"Grid : makeActiveCellEditable : should never get called when options.editable is false\";\n    }\n\n    // cancel pending async call if there is one\n    clearTimeout(h_editorLoader);\n\n    if (!isCellPotentiallyEditable(activeRow, activeCell)){\n      return;\n    }\n\n    var columnDef = columns[activeCell];\n    var item = getDataItem(activeRow);\n\n    if (trigger(self.onBeforeEditCell, {\n        row: activeRow,\n        cell: activeCell,\n        item: item,\n        column: columnDef\n      }) === false){\n      setFocus();\n      return;\n    }\n\n    getEditorLock().activate(editController);\n    $(activeCellNode).addClass(\"editable\");\n\n    // don't clear the cell if a custom editor is passed through\n    if (!editor){\n      activeCellNode[0].innerHTML = \"\";\n    }\n\n    currentEditor = new (editor || getEditor(activeRow, activeCell))({\n      grid: self,\n      gridPosition: absBox($container[0]),\n      position: absBox(activeCellNode[0]),\n      container: activeCellNode,\n      column: columnDef,\n      item: item || {},\n      commitChanges: commitEditAndSetFocus,\n      cancelChanges: cancelEditAndSetFocus\n    });\n\n    if (item){\n      currentEditor.loadValue(item);\n    }\n\n    serializedEditorValue = currentEditor.serializeValue();\n\n    if (currentEditor.position){\n      handleActiveCellPositionChange();\n    }\n  }\n\n  function commitEditAndSetFocus(){\n    // if the commit fails, it would do so due to a validation error\n    // if so, do not steal the focus from the editor\n    if (getEditorLock().commitCurrentEdit()){\n      setFocus();\n      if (options.autoEdit){\n        navigateDown();\n      }\n    }\n  }\n\n  function cancelEditAndSetFocus(){\n    if (getEditorLock().cancelCurrentEdit()){\n      setFocus();\n    }\n  }\n\n  function absBox(elem){\n    var box = {\n      top: elem.offsetTop,\n      left: elem.offsetLeft,\n      bottom: 0,\n      right: 0,\n      width: $(elem).outerWidth(),\n      height: $(elem).outerHeight(),\n      visible: true\n    };\n    box.bottom = box.top + box.height;\n    box.right = box.left + box.width;\n\n    // walk up the tree\n    var offsetParent = elem.offsetParent;\n    while ((elem = elem.parentNode) != document.body){\n      if (box.visible && elem.scrollHeight != elem.offsetHeight && $(elem).css(\"overflowY\") != \"visible\"){\n        box.visible = box.bottom > elem.scrollTop && box.top < elem.scrollTop + elem.clientHeight;\n      }\n\n      if (box.visible && elem.scrollWidth != elem.offsetWidth && $(elem).css(\"overflowX\") != \"visible\"){\n        box.visible = box.right > elem.scrollLeft && box.left < elem.scrollLeft + elem.clientWidth;\n      }\n\n      box.left -= elem.scrollLeft;\n      box.top -= elem.scrollTop;\n\n      if (elem === offsetParent){\n        box.left += elem.offsetLeft;\n        box.top += elem.offsetTop;\n        offsetParent = elem.offsetParent;\n      }\n\n      box.bottom = box.top + box.height;\n      box.right = box.left + box.width;\n    }\n\n    return box;\n  }\n\n  function getActiveCellPosition(){\n    return absBox(activeCellNode[0]);\n  }\n\n  function getGridPosition(){\n    return absBox($container[0])\n  }\n\n  function handleActiveCellPositionChange(){\n    if (!activeCellNode){\n      return;\n    }\n\n    trigger(self.onActiveCellPositionChanged, {});\n\n    if (currentEditor){\n      var cellBox = getActiveCellPosition();\n      if (currentEditor.show && currentEditor.hide){\n        if (!cellBox.visible){\n          currentEditor.hide();\n        } else {\n          currentEditor.show();\n        }\n      }\n\n      if (currentEditor.position){\n        currentEditor.position(cellBox);\n      }\n    }\n  }\n\n  function getCellEditor(){\n    return currentEditor;\n  }\n\n  function getActiveCell(){\n    if (!activeCellNode){\n      return null;\n    } else {\n      return {\n        row: activeRow,\n        cell: activeCell\n      };\n    }\n  }\n\n  function getActiveCellNode(){\n    return activeCellNode;\n  }\n\n  function scrollActiveCellIntoView(){\n    if (activeRow != null && activeCell != null){\n      scrollCellIntoView(activeRow, activeCell);\n    }\n  }\n\n  function scrollRowIntoView(row, doPaging){\n\n    if (!hasFrozenRows || (!options.frozenBottom && row > actualFrozenRow - 1) || (options.frozenBottom && row < actualFrozenRow - 1)){\n\n      var viewportScrollH = $viewportScrollContainerY.height();\n\n      var rowAtTop = row * options.rowHeight;\n      var rowAtBottom = (row + 1) * options.rowHeight - viewportScrollH + (viewportHasHScroll ? scrollbarDimensions.height : 0);\n\n      // need to page down?\n      if ((row + 1) * options.rowHeight > scrollTop + viewportScrollH + offset){\n        scrollTo(doPaging ? rowAtTop : rowAtBottom);\n        render();\n      }\n      // or page up?\n      else if (row * options.rowHeight < scrollTop + offset){\n        scrollTo(doPaging ? rowAtBottom : rowAtTop);\n        render();\n      }\n    }\n  }\n\n  function scrollRowToTop(row){\n    scrollTo(row * options.rowHeight);\n    render();\n  }\n\n  function scrollPage(dir){\n    var deltaRows = dir * numVisibleRows;\n    scrollTo((getRowFromPosition(scrollTop) + deltaRows) * options.rowHeight);\n    render();\n\n    if (options.enableCellNavigation && activeRow != null){\n      var row = activeRow + deltaRows;\n      var dataLengthIncludingAddNew = getDataLengthIncludingAddNew();\n      if (row >= dataLengthIncludingAddNew){\n        row = dataLengthIncludingAddNew - 1;\n      }\n      if (row < 0){\n        row = 0;\n      }\n\n      var cell = 0,\n        prevCell = null;\n      var prevActivePosX = activePosX;\n      while (cell <= activePosX){\n        if (canCellBeActive(row, cell)){\n          prevCell = cell;\n        }\n        cell += getColspan(row, cell);\n      }\n\n      if (prevCell !== null){\n        setActiveCellInternal(getCellNode(row, prevCell));\n        activePosX = prevActivePosX;\n      } else {\n        resetActiveCell();\n      }\n    }\n  }\n\n  function navigatePageDown(){\n    scrollPage(1);\n  }\n\n  function navigatePageUp(){\n    scrollPage(-1);\n  }\n\n  function getColspan(row, cell){\n    var metadata = data.getItemMetadata && data.getItemMetadata(row);\n    if (!metadata || !metadata.columns){\n      return 1;\n    }\n\n    var columnData = columns[cell] && (metadata.columns[columns[cell].id] || metadata.columns[cell]);\n    var colspan = (columnData && columnData.colspan);\n    if (colspan === \"*\"){\n      colspan = columns.length - cell;\n    } else {\n      colspan = colspan || 1;\n    }\n\n    return colspan;\n  }\n\n  function findFirstFocusableCell(row){\n    var cell = 0;\n    while (cell < columns.length){\n      if (canCellBeActive(row, cell)){\n        return cell;\n      }\n      cell += getColspan(row, cell);\n    }\n    return null;\n  }\n\n  function findLastFocusableCell(row){\n    var cell = 0;\n    var lastFocusableCell = null;\n    while (cell < columns.length){\n      if (canCellBeActive(row, cell)){\n        lastFocusableCell = cell;\n      }\n      cell += getColspan(row, cell);\n    }\n    return lastFocusableCell;\n  }\n\n  function gotoRight(row, cell, posX){\n    if (cell >= columns.length){\n      return null;\n    }\n\n    do {\n      cell += getColspan(row, cell);\n    }\n    while (cell < columns.length && !canCellBeActive(row, cell));\n\n    if (cell < columns.length){\n      return {\n        \"row\": row,\n        \"cell\": cell,\n        \"posX\": cell\n      };\n    }\n    return null;\n  }\n\n  function gotoLeft(row, cell, posX){\n    if (cell <= 0){\n      return null;\n    }\n\n    var firstFocusableCell = findFirstFocusableCell(row);\n    if (firstFocusableCell === null || firstFocusableCell >= cell){\n      return null;\n    }\n\n    var prev = {\n      \"row\": row,\n      \"cell\": firstFocusableCell,\n      \"posX\": firstFocusableCell\n    };\n    var pos;\n    while (true){\n      pos = gotoRight(prev.row, prev.cell, prev.posX);\n      if (!pos){\n        return null;\n      }\n      if (pos.cell >= cell){\n        return prev;\n      }\n      prev = pos;\n    }\n  }\n\n  function gotoDown(row, cell, posX){\n    var prevCell;\n    var dataLengthIncludingAddNew = getDataLengthIncludingAddNew();\n    while (true){\n      if (++row >= dataLengthIncludingAddNew){\n        return null;\n      }\n\n      prevCell = cell = 0;\n      while (cell <= posX){\n        prevCell = cell;\n        cell += getColspan(row, cell);\n      }\n\n      if (canCellBeActive(row, prevCell)){\n        return {\n          \"row\": row,\n          \"cell\": prevCell,\n          \"posX\": posX\n        };\n      }\n    }\n  }\n\n  function gotoUp(row, cell, posX){\n    var prevCell;\n    while (true){\n      if (--row < 0){\n        return null;\n      }\n\n      prevCell = cell = 0;\n      while (cell <= posX){\n        prevCell = cell;\n        cell += getColspan(row, cell);\n      }\n\n      if (canCellBeActive(row, prevCell)){\n        return {\n          \"row\": row,\n          \"cell\": prevCell,\n          \"posX\": posX\n        };\n      }\n    }\n  }\n\n  function gotoNext(row, cell, posX){\n    if (row == null && cell == null){\n      row = cell = posX = 0;\n      if (canCellBeActive(row, cell)){\n        return {\n          \"row\": row,\n          \"cell\": cell,\n          \"posX\": cell\n        };\n      }\n    }\n\n    var pos = gotoRight(row, cell, posX);\n    if (pos){\n      return pos;\n    }\n\n    var firstFocusableCell = null;\n    var dataLengthIncludingAddNew = getDataLengthIncludingAddNew();\n    while (++row < dataLengthIncludingAddNew){\n      firstFocusableCell = findFirstFocusableCell(row);\n      if (firstFocusableCell !== null){\n        return {\n          \"row\": row,\n          \"cell\": firstFocusableCell,\n          \"posX\": firstFocusableCell\n        };\n      }\n    }\n    return null;\n  }\n\n  function gotoPrev(row, cell, posX){\n    if (row == null && cell == null){\n      row = getDataLengthIncludingAddNew() - 1;\n      cell = posX = columns.length - 1;\n      if (canCellBeActive(row, cell)){\n        return {\n          \"row\": row,\n          \"cell\": cell,\n          \"posX\": cell\n        };\n      }\n    }\n\n    var pos;\n    var lastSelectableCell;\n    while (!pos){\n      pos = gotoLeft(row, cell, posX);\n      if (pos){\n        break;\n      }\n      if (--row < 0){\n        return null;\n      }\n\n      cell = 0;\n      lastSelectableCell = findLastFocusableCell(row);\n      if (lastSelectableCell !== null){\n        pos = {\n          \"row\": row,\n          \"cell\": lastSelectableCell,\n          \"posX\": lastSelectableCell\n        };\n      }\n    }\n    return pos;\n  }\n\n  function navigateRight(){\n    return navigate(\"right\");\n  }\n\n  function navigateLeft(){\n    return navigate(\"left\");\n  }\n\n  function navigateDown(){\n    return navigate(\"down\");\n  }\n\n  function navigateUp(){\n    return navigate(\"up\");\n  }\n\n  function navigateNext(){\n    return navigate(\"next\");\n  }\n\n  function navigatePrev(){\n    return navigate(\"prev\");\n  }\n\n  /**\n   * @param {string} dir Navigation direction.\n   * @return {boolean} Whether navigation resulted in a change of active cell.\n   */\n  function navigate(dir){\n    if (!options.enableCellNavigation){\n      return false;\n    }\n\n    if (!activeCellNode && dir != \"prev\" && dir != \"next\"){\n      return false;\n    }\n\n    if (!getEditorLock().commitCurrentEdit()){\n      return true;\n    }\n    setFocus();\n\n    var tabbingDirections = {\n      \"up\": -1,\n      \"down\": 1,\n      \"left\": -1,\n      \"right\": 1,\n      \"prev\": -1,\n      \"next\": 1\n    };\n    tabbingDirection = tabbingDirections[dir];\n\n    var stepFunctions = {\n      \"up\": gotoUp,\n      \"down\": gotoDown,\n      \"left\": gotoLeft,\n      \"right\": gotoRight,\n      \"prev\": gotoPrev,\n      \"next\": gotoNext\n    };\n    var stepFn = stepFunctions[dir];\n    var pos = stepFn(activeRow, activeCell, activePosX);\n    if (pos){\n      if (hasFrozenRows && options.frozenBottom & pos.row == getDataLength()){\n        return;\n      }\n\n      var isAddNewRow = (pos.row == getDataLength());\n\n      if ((!options.frozenBottom && pos.row >= actualFrozenRow) || (options.frozenBottom && pos.row < actualFrozenRow)){\n        scrollCellIntoView(pos.row, pos.cell, !isAddNewRow);\n      }\n\n      setActiveCellInternal(getCellNode(pos.row, pos.cell))\n      activePosX = pos.posX;\n      return true;\n    } else {\n      setActiveCellInternal(getCellNode(activeRow, activeCell));\n      return false;\n    }\n  }\n\n  function getCellNode(row, cell){\n    if (rowsCache[row]){\n      ensureCellNodesInRowsCache(row);\n      return rowsCache[row].cellNodesByColumnIdx[cell];\n    }\n    return null;\n  }\n\n  function setActiveCell(row, cell){\n    if (!initialized){\n      return;\n    }\n    if (row > getDataLength() || row < 0 || cell >= columns.length || cell < 0){\n      return;\n    }\n\n    if (!options.enableCellNavigation){\n      return;\n    }\n\n    scrollCellIntoView(row, cell, false);\n    setActiveCellInternal(getCellNode(row, cell), false);\n  }\n\n  function canCellBeActive(row, cell){\n    if (!options.enableCellNavigation || row >= getDataLengthIncludingAddNew() || row < 0 || cell >= columns.length || cell < 0){\n      return false;\n    }\n\n    var rowMetadata = data.getItemMetadata && data.getItemMetadata(row);\n    if (rowMetadata && typeof rowMetadata.focusable === \"boolean\"){\n      return rowMetadata.focusable;\n    }\n\n    var columnMetadata = rowMetadata && rowMetadata.columns;\n    if (columnMetadata && columns[cell] && columnMetadata[columns[cell].id] && typeof columnMetadata[columns[cell].id].focusable === \"boolean\"){\n      return columnMetadata[columns[cell].id].focusable;\n    }\n    if (columnMetadata && columnMetadata[cell] && typeof columnMetadata[cell].focusable === \"boolean\"){\n      return columnMetadata[cell].focusable;\n    }\n\n    return columns[cell] && columns[cell].focusable;\n  }\n\n  function canCellBeSelected(row, cell){\n    if (row >= getDataLength() || row < 0 || cell >= columns.length || cell < 0){\n      return false;\n    }\n\n    var rowMetadata = data.getItemMetadata && data.getItemMetadata(row);\n    if (rowMetadata && typeof rowMetadata.selectable === \"boolean\"){\n      return rowMetadata.selectable;\n    }\n\n    var columnMetadata = rowMetadata && rowMetadata.columns && (rowMetadata.columns[columns[cell].id] || rowMetadata.columns[cell]);\n    if (columnMetadata && typeof columnMetadata.selectable === \"boolean\"){\n      return columnMetadata.selectable;\n    }\n\n    return columns[cell].selectable;\n  }\n\n  function gotoCell(row, cell, forceEdit){\n    if (!initialized){\n      return;\n    }\n    if (!canCellBeActive(row, cell)){\n      return;\n    }\n\n    if (!getEditorLock().commitCurrentEdit()){\n      return;\n    }\n\n    scrollCellIntoView(row, cell, false);\n\n    var newCell = getCellNode(row, cell);\n\n    // if selecting the 'add new' row, start editing right away\n    setActiveCellInternal(newCell, forceEdit || (row === getDataLength()) || options.autoEdit);\n\n    // if no editor was created, set the focus back on the grid\n    if (!currentEditor){\n      setFocus();\n    }\n  }\n\n  //////////////////////////////////////////////////////////////////////////////////////////////\n  // IEditor implementation for the editor lock\n\n  function commitCurrentEdit(){\n    var item = getDataItem(activeRow);\n    var column = columns[activeCell];\n\n    if (currentEditor){\n      if (currentEditor.isValueChanged()){\n        var validationResults = currentEditor.validate();\n\n        if (validationResults.valid){\n          if (activeRow < getDataLength()){\n            var editCommand = {\n              row: activeRow,\n              cell: activeCell,\n              editor: currentEditor,\n              serializedValue: currentEditor.serializeValue(),\n              prevSerializedValue: serializedEditorValue,\n              execute: function(){\n                this.editor.applyValue(item, this.serializedValue);\n                updateRow(this.row);\n                trigger(self.onCellChange, {\n                  row: activeRow,\n                  cell: activeCell,\n                  item: item\n                });\n              },\n              undo: function(){\n                this.editor.applyValue(item, this.prevSerializedValue);\n                updateRow(this.row);\n                trigger(self.onCellChange, {\n                  row: activeRow,\n                  cell: activeCell,\n                  item: item\n                });\n              }\n            };\n\n            if (options.editCommandHandler){\n              makeActiveCellNormal();\n              options.editCommandHandler(item, column, editCommand);\n            } else {\n              editCommand.execute();\n              makeActiveCellNormal();\n            }\n\n          } else {\n            var newItem = {};\n            currentEditor.applyValue(newItem, currentEditor.serializeValue());\n            makeActiveCellNormal();\n            trigger(self.onAddNewRow, {\n              item: newItem,\n              column: column\n            });\n          }\n\n          // check whether the lock has been re-acquired by event handlers\n          return !getEditorLock().isActive();\n        } else {\n          // Re-add the CSS class to trigger transitions, if any.\n          $(activeCellNode).removeClass(\"invalid\");\n          $(activeCellNode).width(); // force layout\n          $(activeCellNode).addClass(\"invalid\");\n\n          trigger(self.onValidationError, {\n            editor: currentEditor,\n            cellNode: activeCellNode,\n            validationResults: validationResults,\n            row: activeRow,\n            cell: activeCell,\n            column: column\n          });\n\n          currentEditor.focus();\n          return false;\n        }\n      }\n\n      makeActiveCellNormal();\n    }\n    return true;\n  }\n\n  function cancelCurrentEdit(){\n    makeActiveCellNormal();\n    return true;\n  }\n\n  function rowsToRanges(rows){\n    var ranges = [];\n    var lastCell = columns.length - 1;\n    for (var i = 0; i < rows.length; i++){\n      ranges.push(new Slick.Range(rows[i], 0, rows[i], lastCell));\n    }\n    return ranges;\n  }\n\n  function getSelectedRows(){\n    if (!selectionModel){\n      throw \"Selection model is not set\";\n    }\n    return selectedRows;\n  }\n\n  function setSelectedRows(rows){\n    if (!selectionModel){\n      throw \"Selection model is not set\";\n    }\n    selectionModel.setSelectedRanges(rowsToRanges(rows));\n  }\n\n  //////////////////////////////////////////////////////////////////////////////////////////////\n  // Debug\n\n  this.debug = function(){\n    var s = \"\";\n\n    s += (\"\\n\" + \"counter_rows_rendered:  \" + counter_rows_rendered);\n    s += (\"\\n\" + \"counter_rows_removed:  \" + counter_rows_removed);\n    s += (\"\\n\" + \"renderedRows:  \" + renderedRows);\n    s += (\"\\n\" + \"numVisibleRows:  \" + numVisibleRows);\n    s += (\"\\n\" + \"maxSupportedCssHeight:  \" + maxSupportedCssHeight);\n    s += (\"\\n\" + \"n(umber of pages):  \" + n);\n    s += (\"\\n\" + \"(current) page:  \" + page);\n    s += (\"\\n\" + \"page height (ph):  \" + ph);\n    s += (\"\\n\" + \"vScrollDir:  \" + vScrollDir);\n\n    alert(s);\n  };\n\n  // a debug helper to be able to access private members\n  this.eval = function(expr){\n    return eval(expr);\n  };\n\n  //////////////////////////////////////////////////////////////////////////////////////////////\n  // Public API\n\n  $.extend(this, {\n    \"slickGridVersion\": \"2.1\",\n\n    // Events\n    \"onScroll\": new Slick.Event(),\n    \"onSort\": new Slick.Event(),\n    \"onHeaderMouseEnter\": new Slick.Event(),\n    \"onHeaderMouseLeave\": new Slick.Event(),\n    \"onHeaderContextMenu\": new Slick.Event(),\n    \"onHeaderClick\": new Slick.Event(),\n    \"onHeaderCellRendered\": new Slick.Event(),\n    \"onBeforeHeaderCellDestroy\": new Slick.Event(),\n    \"onHeaderRowCellRendered\": new Slick.Event(),\n    \"onFooterRowCellRendered\": new Slick.Event(),\n    \"onBeforeHeaderRowCellDestroy\": new Slick.Event(),\n    \"onBeforeFooterRowCellDestroy\": new Slick.Event(),\n    \"onMouseEnter\": new Slick.Event(),\n    \"onMouseLeave\": new Slick.Event(),\n    \"onClick\": new Slick.Event(),\n    \"onDblClick\": new Slick.Event(),\n    \"onContextMenu\": new Slick.Event(),\n    \"onKeyDown\": new Slick.Event(),\n    \"onAddNewRow\": new Slick.Event(),\n    \"onValidationError\": new Slick.Event(),\n    \"onViewportChanged\": new Slick.Event(),\n    \"onColumnsReordered\": new Slick.Event(),\n    \"onColumnsResized\": new Slick.Event(),\n    \"onCellChange\": new Slick.Event(),\n    \"onBeforeEditCell\": new Slick.Event(),\n    \"onBeforeCellEditorDestroy\": new Slick.Event(),\n    \"onBeforeDestroy\": new Slick.Event(),\n    \"onActiveCellChanged\": new Slick.Event(),\n    \"onActiveCellPositionChanged\": new Slick.Event(),\n    \"onDragInit\": new Slick.Event(),\n    \"onDragStart\": new Slick.Event(),\n    \"onDrag\": new Slick.Event(),\n    \"onDragEnd\": new Slick.Event(),\n    \"onSelectedRowsChanged\": new Slick.Event(),\n    \"onCellCssStylesChanged\": new Slick.Event(),\n\n    // Methods\n    \"registerPlugin\": registerPlugin,\n    \"unregisterPlugin\": unregisterPlugin,\n    \"getColumns\": getColumns,\n    \"setColumns\": setColumns,\n    \"getColumnIndex\": getColumnIndex,\n    \"updateColumnHeader\": updateColumnHeader,\n    \"setSortColumn\": setSortColumn,\n    \"setSortColumns\": setSortColumns,\n    \"getSortColumns\": getSortColumns,\n    \"autosizeColumns\": autosizeColumns,\n    \"getOptions\": getOptions,\n    \"setOptions\": setOptions,\n    \"getData\": getData,\n    \"getDataLength\": getDataLength,\n    \"getDataItem\": getDataItem,\n    \"setData\": setData,\n    \"getSelectionModel\": getSelectionModel,\n    \"setSelectionModel\": setSelectionModel,\n    \"getSelectedRows\": getSelectedRows,\n    \"setSelectedRows\": setSelectedRows,\n    \"getContainerNode\": getContainerNode,\n\n    \"render\": render,\n    \"invalidate\": invalidate,\n    \"invalidateRow\": invalidateRow,\n    \"invalidateRows\": invalidateRows,\n    \"invalidateAllRows\": invalidateAllRows,\n    \"updateCell\": updateCell,\n    \"updateRow\": updateRow,\n    \"getViewport\": getVisibleRange,\n    \"getRenderedRange\": getRenderedRange,\n    \"resizeCanvas\": resizeCanvas,\n    \"updateRowCount\": updateRowCount,\n    \"scrollRowIntoView\": scrollRowIntoView,\n    \"scrollRowToTop\": scrollRowToTop,\n    \"scrollCellIntoView\": scrollCellIntoView,\n    \"getCanvasNode\": getCanvasNode,\n    \"getCanvases\": getCanvases,\n    \"getActiveCanvasNode\": getActiveCanvasNode,\n    \"setActiveCanvasNode\": setActiveCanvasNode,\n    \"getViewportNode\": getViewportNode,\n    \"getActiveViewportNode\": getActiveViewportNode,\n    \"setActiveViewportNode\": setActiveViewportNode,\n    \"focus\": setFocus,\n\n    \"getCellFromPoint\": getCellFromPoint,\n    \"getCellFromEvent\": getCellFromEvent,\n    \"getActiveCell\": getActiveCell,\n    \"setActiveCell\": setActiveCell,\n    \"getActiveCellNode\": getActiveCellNode,\n    \"getActiveCellPosition\": getActiveCellPosition,\n    \"resetActiveCell\": resetActiveCell,\n    \"editActiveCell\": makeActiveCellEditable,\n    \"getCellEditor\": getCellEditor,\n    \"getCellNode\": getCellNode,\n    \"getCellNodeBox\": getCellNodeBox,\n    \"canCellBeSelected\": canCellBeSelected,\n    \"canCellBeActive\": canCellBeActive,\n    \"navigatePrev\": navigatePrev,\n    \"navigateNext\": navigateNext,\n    \"navigateUp\": navigateUp,\n    \"navigateDown\": navigateDown,\n    \"navigateLeft\": navigateLeft,\n    \"navigateRight\": navigateRight,\n    \"navigatePageUp\": navigatePageUp,\n    \"navigatePageDown\": navigatePageDown,\n    \"gotoCell\": gotoCell,\n    \"getTopPanel\": getTopPanel,\n    \"setTopPanelVisibility\": setTopPanelVisibility,\n    \"setHeaderRowVisibility\": setHeaderRowVisibility,\n    \"getHeaderRow\": getHeaderRow,\n    \"getHeaderRowColumn\": getHeaderRowColumn,\n    \"setFooterRowVisibility\": setFooterRowVisibility,\n    \"getFooterRow\": getFooterRow,\n    \"getFooterRowColumn\": getFooterRowColumn,\n    \"getGridPosition\": getGridPosition,\n    \"flashCell\": flashCell,\n    \"addCellCssStyles\": addCellCssStyles,\n    \"setCellCssStyles\": setCellCssStyles,\n    \"removeCellCssStyles\": removeCellCssStyles,\n    \"getCellCssStyles\": getCellCssStyles,\n    \"getFrozenRowOffset\": getFrozenRowOffset,\n\n    \"init\": finishInitialization,\n    \"destroy\": destroy,\n\n    // IEditor implementation\n    \"getEditorLock\": getEditorLock,\n    \"getEditController\": getEditController\n  });\n\n  init();\n}\n\n\n\n// WEBPACK FOOTER //\n// ../src/slick-frozen.grid.js","import Slick                  from './slick.core';\nimport $                      from 'jquery';\nimport GroupMetaDataProvider  from './slick.groupmetadataprovider';\n\nconst Aggregators = {\n  Avg: AvgAggregator,\n  Min: MinAggregator,\n  Max: MaxAggregator,\n  Sum: SumAggregator\n};\n\nconst Data = {\n  DataView,\n  GroupMetaDataProvider,\n  Aggregators\n};\n\nexport default Data;\n\n/** *\n * A sample Model implementation.\n * Provides a filtered view of the underlying data.\n *\n * Relies on the data item having an \"id\" property uniquely identifying it.\n */\nfunction DataView(options){\n  let self = this;\n\n  let defaults = {\n    groupItemMetadataProvider: null,\n    inlineFilters: false\n  };\n\n  // private\n  let idProperty = 'id';  // property holding a unique row id\n  let items = [];         // data by index\n  let rows = [];          // data by row\n  let idxById = {};       // indexes by id\n  let rowsById = null;    // rows by id; lazy-calculated\n  let filter = null;      // filter function\n  let updated = null;     // updated item ids\n  let suspend = false;    // suspends the recalculation\n  let sortAsc = true;\n  let fastSortField;\n  let sortComparer;\n  let refreshHints = {};\n  let prevRefreshHints = {};\n  let filterArgs;\n  let filteredItems = [];\n  let compiledFilter;\n  let compiledFilterWithCaching;\n  let filterCache = [];\n\n  // grouping\n  let groupingInfoDefaults = {\n    getter: null,\n    formatter: null,\n    comparer: function(a, b){\n      return (a.value === b.value ? 0 :\n          (a.value > b.value ? 1 : -1)\n      );\n    },\n    predefinedValues: [],\n    aggregators: [],\n    aggregateEmpty: false,\n    aggregateCollapsed: false,\n    aggregateChildGroups: false,\n    collapsed: false,\n    displayTotalsRow: true,\n    lazyTotalsCalculation: false\n  };\n  let groupingInfos = [];\n  let groups = [];\n  let toggledGroupsByLevel = [];\n  let groupingDelimiter = ':|:';\n\n  let pagesize = 0;\n  let pagenum = 0;\n  let totalRows = 0;\n\n  // events\n  let onRowCountChanged = new Slick.Event();\n  let onRowsChanged = new Slick.Event();\n  let onPagingInfoChanged = new Slick.Event();\n\n  options = $.extend(true, {}, defaults, options);\n\n  function beginUpdate(){\n    suspend = true;\n  }\n\n  function endUpdate(){\n    suspend = false;\n    refresh();\n  }\n\n  function setRefreshHints(hints){\n    refreshHints = hints;\n  }\n\n  function setFilterArgs(args){\n    filterArgs = args;\n  }\n\n  function updateIdxById(startingIndex){\n    startingIndex = startingIndex || 0;\n    let id;\n    for (let i = startingIndex, l = items.length; i < l; i++){\n      id = items[i][idProperty];\n      if (id === undefined){\n        throw \"Each data element must implement a unique 'id' property\";\n      }\n      idxById[id] = i;\n    }\n  }\n\n  function ensureIdUniqueness(){\n    let id;\n    for (let i = 0, l = items.length; i < l; i++){\n      id = items[i][idProperty];\n      if (id === undefined || idxById[id] !== i){\n        throw \"Each data element must implement a unique 'id' property\";\n      }\n    }\n  }\n\n  function getItems(){\n    return items;\n  }\n\n  function setItems(data, objectIdProperty){\n    if (objectIdProperty !== undefined){\n      idProperty = objectIdProperty;\n    }\n    items = filteredItems = data;\n    idxById = {};\n    updateIdxById();\n    ensureIdUniqueness();\n    refresh();\n  }\n\n  function setPagingOptions(args){\n    if (args.pageSize != undefined){\n      pagesize = args.pageSize;\n      pagenum = pagesize ? Math.min(pagenum, Math.max(0, Math.ceil(totalRows / pagesize) - 1)) : 0;\n    }\n\n    if (args.pageNum != undefined){\n      pagenum = Math.min(args.pageNum, Math.max(0, Math.ceil(totalRows / pagesize) - 1));\n    }\n\n    onPagingInfoChanged.notify(getPagingInfo(), null, self);\n\n    refresh();\n  }\n\n  function getPagingInfo(){\n    let totalPages = pagesize ? Math.max(1, Math.ceil(totalRows / pagesize)) : 1;\n    return {pageSize: pagesize, pageNum: pagenum, totalRows: totalRows, totalPages: totalPages, dataView: self};\n  }\n\n  function sort(comparer, ascending){\n    sortAsc = ascending;\n    sortComparer = comparer;\n    fastSortField = null;\n    if (ascending === false){\n      items.reverse();\n    }\n    items.sort(comparer);\n    if (ascending === false){\n      items.reverse();\n    }\n    idxById = {};\n    updateIdxById();\n    refresh();\n  }\n\n  /** *\n   * Provides a workaround for the extremely slow sorting in IE.\n   * Does a [lexicographic] sort on a give column by temporarily overriding Object.prototype.toString\n   * to return the value of that field and then doing a native Array.sort().\n   */\n  function fastSort(field, ascending){\n    sortAsc = ascending;\n    fastSortField = field;\n    sortComparer = null;\n    let oldToString = Object.prototype.toString;\n    Object.prototype.toString = (typeof field == 'function') ? field : function(){\n      return this[field];\n    };\n    // an extra reversal for descending sort keeps the sort stable\n    // (assuming a stable native sort implementation, which isn't true in some cases)\n    if (ascending === false){\n      items.reverse();\n    }\n    items.sort();\n    Object.prototype.toString = oldToString;\n    if (ascending === false){\n      items.reverse();\n    }\n    idxById = {};\n    updateIdxById();\n    refresh();\n  }\n\n  function reSort(){\n    if (sortComparer){\n      sort(sortComparer, sortAsc);\n    } else if (fastSortField){\n      fastSort(fastSortField, sortAsc);\n    }\n  }\n\n  function setFilter(filterFn){\n    filter = filterFn;\n    if (options.inlineFilters){\n      compiledFilter = compileFilter();\n      compiledFilterWithCaching = compileFilterWithCaching();\n    }\n    refresh();\n  }\n\n  function getGrouping(){\n    return groupingInfos;\n  }\n\n  function setGrouping(groupingInfo){\n    if (!options.groupItemMetadataProvider){\n      options.groupItemMetadataProvider = new Data.GroupItemMetadataProvider();\n    }\n\n    groups = [];\n    toggledGroupsByLevel = [];\n    groupingInfo = groupingInfo || [];\n    groupingInfos = (groupingInfo instanceof Array) ? groupingInfo : [groupingInfo];\n\n    for (let i = 0; i < groupingInfos.length; i++){\n      let gi = groupingInfos[i] = $.extend(true, {}, groupingInfoDefaults, groupingInfos[i]);\n      gi.getterIsAFn = typeof gi.getter === 'function';\n\n      // pre-compile accumulator loops\n      gi.compiledAccumulators = [];\n      let idx = gi.aggregators.length;\n      while (idx--){\n        gi.compiledAccumulators[idx] = compileAccumulatorLoop(gi.aggregators[idx]);\n      }\n\n      toggledGroupsByLevel[i] = {};\n    }\n\n    refresh();\n  }\n\n  /**\n   * @deprecated Please use {@link setGrouping}.\n   */\n  function groupBy(valueGetter, valueFormatter, sortComparer){\n    if (valueGetter == null){\n      setGrouping([]);\n      return;\n    }\n\n    setGrouping({\n      getter: valueGetter,\n      formatter: valueFormatter,\n      comparer: sortComparer\n    });\n  }\n\n  /**\n   * @deprecated Please use {@link setGrouping}.\n   */\n  function setAggregators(groupAggregators, includeCollapsed){\n    if (!groupingInfos.length){\n      throw new Error('At least one grouping must be specified before calling setAggregators().');\n    }\n\n    groupingInfos[0].aggregators = groupAggregators;\n    groupingInfos[0].aggregateCollapsed = includeCollapsed;\n\n    setGrouping(groupingInfos);\n  }\n\n  function getItemByIdx(i){\n    return items[i];\n  }\n\n  function getIdxById(id){\n    return idxById[id];\n  }\n\n  function ensureRowsByIdCache(){\n    if (!rowsById){\n      rowsById = {};\n      for (let i = 0, l = rows.length; i < l; i++){\n        rowsById[rows[i][idProperty]] = i;\n      }\n    }\n  }\n\n  function getRowById(id){\n    ensureRowsByIdCache();\n    return rowsById[id];\n  }\n\n  function getItemById(id){\n    return items[idxById[id]];\n  }\n\n  function mapIdsToRows(idArray){\n    let rows = [];\n    ensureRowsByIdCache();\n    for (let i = 0, l = idArray.length; i < l; i++){\n      let row = rowsById[idArray[i]];\n      if (row != null){\n        rows[rows.length] = row;\n      }\n    }\n    return rows;\n  }\n\n  function mapRowsToIds(rowArray){\n    let ids = [];\n    for (let i = 0, l = rowArray.length; i < l; i++){\n      if (rowArray[i] < rows.length){\n        ids[ids.length] = rows[rowArray[i]][idProperty];\n      }\n    }\n    return ids;\n  }\n\n  function updateItem(id, item){\n    if (idxById[id] === undefined || id !== item[idProperty]){\n      throw 'Invalid or non-matching id';\n    }\n    items[idxById[id]] = item;\n    if (!updated){\n      updated = {};\n    }\n    updated[id] = true;\n    refresh();\n  }\n\n  function insertItem(insertBefore, item){\n    items.splice(insertBefore, 0, item);\n    updateIdxById(insertBefore);\n    refresh();\n  }\n\n  function addItem(item){\n    items.push(item);\n    updateIdxById(items.length - 1);\n    refresh();\n  }\n\n  function deleteItem(id){\n    let idx = idxById[id];\n    if (idx === undefined){\n      throw 'Invalid id';\n    }\n    delete idxById[id];\n    items.splice(idx, 1);\n    updateIdxById(idx);\n    refresh();\n  }\n\n  function getLength(){\n    return rows.length;\n  }\n\n  function getItem(i){\n    let item = rows[i];\n\n    // if this is a group row, make sure totals are calculated and update the title\n    if (item && item.__group && item.totals && !item.totals.initialized){\n      let gi = groupingInfos[item.level];\n      if (!gi.displayTotalsRow){\n        calculateTotals(item.totals);\n        item.title = gi.formatter ? gi.formatter(item) : item.value;\n      }\n    }\n    // if this is a totals row, make sure it's calculated\n    else if (item && item.__groupTotals && !item.initialized){\n      calculateTotals(item);\n    }\n\n    return item;\n  }\n\n  function getItemMetadata(i){\n    let item = rows[i];\n    if (item === undefined){\n      return null;\n    }\n\n    // overrides for grouping rows\n    if (item.__group){\n      return options.groupItemMetadataProvider.getGroupRowMetadata(item);\n    }\n\n    // overrides for totals rows\n    if (item.__groupTotals){\n      return options.groupItemMetadataProvider.getTotalsRowMetadata(item);\n    }\n\n    return null;\n  }\n\n  function expandCollapseAllGroups(level, collapse){\n    if (level == null){\n      for (let i = 0; i < groupingInfos.length; i++){\n        toggledGroupsByLevel[i] = {};\n        groupingInfos[i].collapsed = collapse;\n      }\n    } else {\n      toggledGroupsByLevel[level] = {};\n      groupingInfos[level].collapsed = collapse;\n    }\n    refresh();\n  }\n\n  /**\n   * @param level {Number} Optional level to collapse.  If not specified, applies to all levels.\n   */\n  function collapseAllGroups(level){\n    expandCollapseAllGroups(level, true);\n  }\n\n  /**\n   * @param level {Number} Optional level to expand.  If not specified, applies to all levels.\n   */\n  function expandAllGroups(level){\n    expandCollapseAllGroups(level, false);\n  }\n\n  function expandCollapseGroup(level, groupingKey, collapse){\n    toggledGroupsByLevel[level][groupingKey] = groupingInfos[level].collapsed ^ collapse;\n    refresh();\n  }\n\n  /**\n   * @param letArgs Either a Slick.Group's \"groupingKey\" property, or a\n   *     letiable argument list of grouping values denoting a unique path to the row.  For\n   *     example, calling collapseGroup('high', '10%') will collapse the '10%' subgroup of\n   *     the 'high' group.\n   */\n  function collapseGroup(letArgs){\n    let args = Array.prototype.slice.call(arguments);\n    let arg0 = args[0];\n    if (args.length == 1 && arg0.indexOf(groupingDelimiter) != -1){\n      expandCollapseGroup(arg0.split(groupingDelimiter).length - 1, arg0, true);\n    } else {\n      expandCollapseGroup(args.length - 1, args.join(groupingDelimiter), true);\n    }\n  }\n\n  /**\n   * @param letArgs Either a Slick.Group's \"groupingKey\" property, or a\n   *     letiable argument list of grouping values denoting a unique path to the row.  For\n   *     example, calling expandGroup('high', '10%') will expand the '10%' subgroup of\n   *     the 'high' group.\n   */\n  function expandGroup(letArgs){\n    let args = Array.prototype.slice.call(arguments);\n    let arg0 = args[0];\n    if (args.length == 1 && arg0.indexOf(groupingDelimiter) != -1){\n      expandCollapseGroup(arg0.split(groupingDelimiter).length - 1, arg0, false);\n    } else {\n      expandCollapseGroup(args.length - 1, args.join(groupingDelimiter), false);\n    }\n  }\n\n  function getGroups(){\n    return groups;\n  }\n\n  function extractGroups(rows, parentGroup){\n    let group;\n    let val;\n    let groups = [];\n    let groupsByVal = {};\n    let r;\n    let level = parentGroup ? parentGroup.level + 1 : 0;\n    let gi = groupingInfos[level];\n\n    for (let i = 0, l = gi.predefinedValues.length; i < l; i++){\n      val = gi.predefinedValues[i];\n      group = groupsByVal[val];\n      if (!group){\n        group = new Slick.Group();\n        group.value = val;\n        group.level = level;\n        group.groupingKey = (parentGroup ? parentGroup.groupingKey + groupingDelimiter : '') + val;\n        groups[groups.length] = group;\n        groupsByVal[val] = group;\n      }\n    }\n\n    for (let i = 0, l = rows.length; i < l; i++){\n      r = rows[i];\n      val = gi.getterIsAFn ? gi.getter(r) : r[gi.getter];\n      group = groupsByVal[val];\n      if (!group){\n        group = new Slick.Group();\n        group.value = val;\n        group.level = level;\n        group.groupingKey = (parentGroup ? parentGroup.groupingKey + groupingDelimiter : '') + val;\n        groups[groups.length] = group;\n        groupsByVal[val] = group;\n      }\n\n      group.rows[group.count++] = r;\n    }\n\n    if (level < groupingInfos.length - 1){\n      for (let i = 0; i < groups.length; i++){\n        group = groups[i];\n        group.groups = extractGroups(group.rows, group);\n      }\n    }\n\n    groups.sort(groupingInfos[level].comparer);\n\n    return groups;\n  }\n\n  function calculateTotals(totals){\n    let group = totals.group;\n    let gi = groupingInfos[group.level];\n    let isLeafLevel = (group.level == groupingInfos.length);\n    let agg, idx = gi.aggregators.length;\n\n    if (!isLeafLevel && gi.aggregateChildGroups){\n      // make sure all the subgroups are calculated\n      let i = group.groups.length;\n      while (i--){\n        if (!group.groups[i].totals.initialized){\n          calculateTotals(group.groups[i].totals);\n        }\n      }\n    }\n\n    while (idx--){\n      agg = gi.aggregators[idx];\n      agg.init();\n      if (!isLeafLevel && gi.aggregateChildGroups){\n        gi.compiledAccumulators[idx].call(agg, group.groups);\n      } else {\n        gi.compiledAccumulators[idx].call(agg, group.rows);\n      }\n      agg.storeResult(totals);\n    }\n    totals.initialized = true;\n  }\n\n  function addGroupTotals(group){\n    let gi = groupingInfos[group.level];\n    let totals = new Slick.GroupTotals();\n    totals.group = group;\n    group.totals = totals;\n    if (!gi.lazyTotalsCalculation){\n      calculateTotals(totals);\n    }\n  }\n\n  function addTotals(groups, level){\n    level = level || 0;\n    let gi = groupingInfos[level];\n    let groupCollapsed = gi.collapsed;\n    let toggledGroups = toggledGroupsByLevel[level];\n    let idx = groups.length, g;\n    while (idx--){\n      g = groups[idx];\n\n      if (g.collapsed && !gi.aggregateCollapsed){\n        continue;\n      }\n\n      // Do a depth-first aggregation so that parent group aggregators can access subgroup totals.\n      if (g.groups){\n        addTotals(g.groups, level + 1);\n      }\n\n      if (gi.aggregators.length && (\n        gi.aggregateEmpty || g.rows.length || (g.groups && g.groups.length))){\n        addGroupTotals(g);\n      }\n\n      g.collapsed = groupCollapsed ^ toggledGroups[g.groupingKey];\n      g.title = gi.formatter ? gi.formatter(g) : g.value;\n    }\n  }\n\n  function flattenGroupedRows(groups, level){\n    level = level || 0;\n    let gi = groupingInfos[level];\n    let groupedRows = [], rows, gl = 0, g;\n    for (let i = 0, l = groups.length; i < l; i++){\n      g = groups[i];\n      groupedRows[gl++] = g;\n\n      if (!g.collapsed){\n        rows = g.groups ? flattenGroupedRows(g.groups, level + 1) : g.rows;\n        for (let j = 0, jj = rows.length; j < jj; j++){\n          groupedRows[gl++] = rows[j];\n        }\n      }\n\n      if (g.totals && gi.displayTotalsRow && (!g.collapsed || gi.aggregateCollapsed)){\n        groupedRows[gl++] = g.totals;\n      }\n    }\n    return groupedRows;\n  }\n\n  function getFunctionInfo(fn){\n    let fnRegex = /^function[^(]*\\(([^)]*)\\)\\s*{([\\s\\S]*)}$/;\n    let matches = fn.toString().match(fnRegex);\n    return {\n      params: matches[1].split(','),\n      body: matches[2]\n    };\n  }\n\n  function compileAccumulatorLoop(aggregator){\n    let accumulatorInfo = getFunctionInfo(aggregator.accumulate);\n    let fn = new Function(\n      '_items',\n      'for (let ' + accumulatorInfo.params[0] + ', _i=0, _il=_items.length; _i<_il; _i++) {' +\n      accumulatorInfo.params[0] + ' = _items[_i]; ' +\n      accumulatorInfo.body +\n      '}'\n    );\n    fn.displayName = 'compiledAccumulatorLoop';\n    return fn;\n  }\n\n  function compileFilter(){\n    let filterInfo = getFunctionInfo(filter);\n\n    let filterPath1 = '{ continue _coreloop; }$1';\n    let filterPath2 = '{ _retval[_idx++] = $item$; continue _coreloop; }$1';\n    // make some allowances for minification - there's only so far we can go with RegEx\n    let filterBody = filterInfo.body\n      .replace(/return false\\s*([;}]|\\}|$)/gi, filterPath1)\n      .replace(/return!1([;}]|\\}|$)/gi, filterPath1)\n      .replace(/return true\\s*([;}]|\\}|$)/gi, filterPath2)\n      .replace(/return!0([;}]|\\}|$)/gi, filterPath2)\n      .replace(/return ([^;}]+?)\\s*([;}]|$)/gi,\n        '{ if ($1) { _retval[_idx++] = $item$; }; continue _coreloop; }$2');\n\n    // This preserves the function template code after JS compression,\n    // so that replace() commands still work as expected.\n    let tpl = [\n      // \"function(_items, _args) { \",\n      'let _retval = [], _idx = 0; ',\n      'let $item$, $args$ = _args; ',\n      '_coreloop: ',\n      'for (let _i = 0, _il = _items.length; _i < _il; _i++) { ',\n      '$item$ = _items[_i]; ',\n      '$filter$; ',\n      '} ',\n      'return _retval; '\n      // \"}\"\n    ].join('');\n    tpl = tpl.replace(/\\$filter\\$/gi, filterBody);\n    tpl = tpl.replace(/\\$item\\$/gi, filterInfo.params[0]);\n    tpl = tpl.replace(/\\$args\\$/gi, filterInfo.params[1]);\n\n    let fn = new Function('_items,_args', tpl);\n    fn.displayName = 'compiledFilter';\n\n    return fn;\n  }\n\n  function compileFilterWithCaching(){\n    let filterInfo = getFunctionInfo(filter);\n\n    let filterPath1 = '{ continue _coreloop; }$1';\n    let filterPath2 = '{ _cache[_i] = true;_retval[_idx++] = $item$; continue _coreloop; }$1';\n    // make some allowances for minification - there's only so far we can go with RegEx\n    let filterBody = filterInfo.body\n      .replace(/return false\\s*([;}]|\\}|$)/gi, filterPath1)\n      .replace(/return!1([;}]|\\}|$)/gi, filterPath1)\n      .replace(/return true\\s*([;}]|\\}|$)/gi, filterPath2)\n      .replace(/return!0([;}]|\\}|$)/gi, filterPath2)\n      .replace(/return ([^;}]+?)\\s*([;}]|$)/gi,\n        '{ if ((_cache[_i] = $1)) { _retval[_idx++] = $item$; }; continue _coreloop; }$2');\n\n    // This preserves the function template code after JS compression,\n    // so that replace() commands still work as expected.\n    let tpl = [\n      // \"function(_items, _args, _cache) { \",\n      'let _retval = [], _idx = 0; ',\n      'let $item$, $args$ = _args; ',\n      '_coreloop: ',\n      'for (let _i = 0, _il = _items.length; _i < _il; _i++) { ',\n      '$item$ = _items[_i]; ',\n      'if (_cache[_i]) { ',\n      '_retval[_idx++] = $item$; ',\n      'continue _coreloop; ',\n      '} ',\n      '$filter$; ',\n      '} ',\n      'return _retval; '\n      // \"}\"\n    ].join('');\n    tpl = tpl.replace(/\\$filter\\$/gi, filterBody);\n    tpl = tpl.replace(/\\$item\\$/gi, filterInfo.params[0]);\n    tpl = tpl.replace(/\\$args\\$/gi, filterInfo.params[1]);\n\n    let fn = new Function('_items,_args,_cache', tpl);\n    fn.displayName = 'compiledFilterWithCaching';\n    return fn;\n  }\n\n  function uncompiledFilter(items, args){\n    let retval = [], idx = 0;\n\n    for (let i = 0, ii = items.length; i < ii; i++){\n      if (filter(items[i], args)){\n        retval[idx++] = items[i];\n      }\n    }\n\n    return retval;\n  }\n\n  function uncompiledFilterWithCaching(items, args, cache){\n    let retval = [], idx = 0, item;\n\n    for (let i = 0, ii = items.length; i < ii; i++){\n      item = items[i];\n      if (cache[i]){\n        retval[idx++] = item;\n      } else if (filter(item, args)){\n        retval[idx++] = item;\n        cache[i] = true;\n      }\n    }\n\n    return retval;\n  }\n\n  function getFilteredAndPagedItems(items){\n    if (filter){\n      let batchFilter = options.inlineFilters ? compiledFilter : uncompiledFilter;\n      let batchFilterWithCaching = options.inlineFilters ? compiledFilterWithCaching : uncompiledFilterWithCaching;\n\n      if (refreshHints.isFilterNarrowing){\n        filteredItems = batchFilter(filteredItems, filterArgs);\n      } else if (refreshHints.isFilterExpanding){\n        filteredItems = batchFilterWithCaching(items, filterArgs, filterCache);\n      } else if (!refreshHints.isFilterUnchanged){\n        filteredItems = batchFilter(items, filterArgs);\n      }\n    } else {\n      // special case:  if not filtering and not paging, the resulting\n      // rows collection needs to be a copy so that changes due to sort\n      // can be caught\n      filteredItems = pagesize ? items : items.concat();\n    }\n\n    // get the current page\n    let paged;\n    if (pagesize){\n      if (filteredItems.length < pagenum * pagesize){\n        pagenum = Math.floor(filteredItems.length / pagesize);\n      }\n      paged = filteredItems.slice(pagesize * pagenum, pagesize * pagenum + pagesize);\n    } else {\n      paged = filteredItems;\n    }\n\n    return {totalRows: filteredItems.length, rows: paged};\n  }\n\n  function getRowDiffs(rows, newRows){\n    let item, r, eitherIsNonData, diff = [];\n    let from = 0, to = newRows.length;\n\n    if (refreshHints && refreshHints.ignoreDiffsBefore){\n      from = Math.max(0,\n        Math.min(newRows.length, refreshHints.ignoreDiffsBefore));\n    }\n\n    if (refreshHints && refreshHints.ignoreDiffsAfter){\n      to = Math.min(newRows.length,\n        Math.max(0, refreshHints.ignoreDiffsAfter));\n    }\n\n    for (let i = from, rl = rows.length; i < to; i++){\n      if (i >= rl){\n        diff[diff.length] = i;\n      } else {\n        item = newRows[i];\n        r = rows[i];\n\n        if ((groupingInfos.length && (eitherIsNonData = (item.__nonDataRow) || (r.__nonDataRow)) &&\n          item.__group !== r.__group ||\n          item.__group && !item.equals(r))\n          || (eitherIsNonData &&\n          // no good way to compare totals since they are arbitrary DTOs\n          // deep object comparison is pretty expensive\n          // always considering them 'dirty' seems easier for the time being\n          (item.__groupTotals || r.__groupTotals))\n          || item[idProperty] != r[idProperty]\n          || (updated && updated[item[idProperty]])\n        ){\n          diff[diff.length] = i;\n        }\n      }\n    }\n    return diff;\n  }\n\n  function recalc(_items){\n    rowsById = null;\n\n    if (refreshHints.isFilterNarrowing != prevRefreshHints.isFilterNarrowing ||\n      refreshHints.isFilterExpanding != prevRefreshHints.isFilterExpanding){\n      filterCache = [];\n    }\n\n    let filteredItems = getFilteredAndPagedItems(_items);\n    totalRows = filteredItems.totalRows;\n    let newRows = filteredItems.rows;\n\n    groups = [];\n    if (groupingInfos.length){\n      groups = extractGroups(newRows);\n      if (groups.length){\n        addTotals(groups);\n        newRows = flattenGroupedRows(groups);\n      }\n    }\n\n    let diff = getRowDiffs(rows, newRows);\n\n    rows = newRows;\n\n    return diff;\n  }\n\n  function refresh(){\n    if (suspend){\n      return;\n    }\n\n    let countBefore = rows.length;\n    let totalRowsBefore = totalRows;\n\n    let diff = recalc(items, filter); // pass as direct refs to avoid closure perf hit\n\n    // if the current page is no longer valid, go to last page and recalc\n    // we suffer a performance penalty here, but the main loop (recalc) remains highly optimized\n    if (pagesize && totalRows < pagenum * pagesize){\n      pagenum = Math.max(0, Math.ceil(totalRows / pagesize) - 1);\n      diff = recalc(items, filter);\n    }\n\n    updated = null;\n    prevRefreshHints = refreshHints;\n    refreshHints = {};\n\n    if (totalRowsBefore !== totalRows){\n      onPagingInfoChanged.notify(getPagingInfo(), null, self);\n    }\n    if (countBefore !== rows.length){\n      onRowCountChanged.notify({previous: countBefore, current: rows.length, dataView: self}, null, self);\n    }\n    if (diff.length > 0){\n      onRowsChanged.notify({rows: diff, dataView: self}, null, self);\n    }\n  }\n\n  /** *\n   * Wires the grid and the DataView together to keep row selection tied to item ids.\n   * This is useful since, without it, the grid only knows about rows, so if the items\n   * move around, the same rows stay selected instead of the selection moving along\n   * with the items.\n   *\n   * NOTE:  This doesn't work with cell selection model.\n   *\n   * @param grid {Slick.Grid} The grid to sync selection with.\n   * @param preserveHidden {Boolean} Whether to keep selected items that go out of the\n   *     view due to them getting filtered out.\n   * @param preserveHiddenOnSelectionChange {Boolean} Whether to keep selected items\n   *     that are currently out of the view (see preserveHidden) as selected when selection\n   *     changes.\n   * @return {Slick.Event} An event that notifies when an internal list of selected row ids\n   *     changes.  This is useful since, in combination with the above two options, it allows\n   *     access to the full list selected row ids, and not just the ones visible to the grid.\n   * @method syncGridSelection\n   */\n  function syncGridSelection(grid, preserveHidden, preserveHiddenOnSelectionChange){\n    let self = this;\n    let inHandler;\n    let selectedRowIds = self.mapRowsToIds(grid.getSelectedRows());\n    let onSelectedRowIdsChanged = new Slick.Event();\n\n    function setSelectedRowIds(rowIds){\n      if (selectedRowIds.join(',') == rowIds.join(',')){\n        return;\n      }\n\n      selectedRowIds = rowIds;\n\n      onSelectedRowIdsChanged.notify({\n        'grid': grid,\n        'ids': selectedRowIds,\n        'dataView': self\n      }, new Slick.EventData(), self);\n    }\n\n    function update(){\n      if (selectedRowIds.length > 0){\n        inHandler = true;\n        let selectedRows = self.mapIdsToRows(selectedRowIds);\n        if (!preserveHidden){\n          setSelectedRowIds(self.mapRowsToIds(selectedRows));\n        }\n        grid.setSelectedRows(selectedRows);\n        inHandler = false;\n      }\n    }\n\n    grid.onSelectedRowsChanged.subscribe(function(e, args){\n      if (inHandler){\n        return;\n      }\n      let newSelectedRowIds = self.mapRowsToIds(grid.getSelectedRows());\n      if (!preserveHiddenOnSelectionChange || !grid.getOptions().multiSelect){\n        setSelectedRowIds(newSelectedRowIds);\n      } else {\n        // keep the ones that are hidden\n        let existing = $.grep(selectedRowIds, function(id){\n          return self.getRowById(id) === undefined;\n        });\n        // add the newly selected ones\n        setSelectedRowIds(existing.concat(newSelectedRowIds));\n      }\n    });\n\n    this.onRowsChanged.subscribe(update);\n\n    this.onRowCountChanged.subscribe(update);\n\n    return onSelectedRowIdsChanged;\n  }\n\n  function syncGridCellCssStyles(grid, key){\n    let hashById;\n    let inHandler;\n\n    // since this method can be called after the cell styles have been set,\n    // get the existing ones right away\n    storeCellCssStyles(grid.getCellCssStyles(key));\n\n    function storeCellCssStyles(hash){\n      hashById = {};\n      for (let row in hash){\n        let id = rows[row][idProperty];\n        hashById[id] = hash[row];\n      }\n    }\n\n    function update(){\n      if (hashById){\n        inHandler = true;\n        ensureRowsByIdCache();\n        let newHash = {};\n        for (let id in hashById){\n          let row = rowsById[id];\n          if (row != undefined){\n            newHash[row] = hashById[id];\n          }\n        }\n        grid.setCellCssStyles(key, newHash);\n        inHandler = false;\n      }\n    }\n\n    grid.onCellCssStylesChanged.subscribe(function(e, args){\n      if (inHandler){\n        return;\n      }\n      if (key != args.key){\n        return;\n      }\n      if (args.hash){\n        storeCellCssStyles(args.hash);\n      }\n    });\n\n    this.onRowsChanged.subscribe(update);\n\n    this.onRowCountChanged.subscribe(update);\n  }\n\n  $.extend(this, {\n    // methods\n    'beginUpdate': beginUpdate,\n    'endUpdate': endUpdate,\n    'setPagingOptions': setPagingOptions,\n    'getPagingInfo': getPagingInfo,\n    'getItems': getItems,\n    'setItems': setItems,\n    'setFilter': setFilter,\n    'sort': sort,\n    'fastSort': fastSort,\n    'reSort': reSort,\n    'setGrouping': setGrouping,\n    'getGrouping': getGrouping,\n    'groupBy': groupBy,\n    'setAggregators': setAggregators,\n    'collapseAllGroups': collapseAllGroups,\n    'expandAllGroups': expandAllGroups,\n    'collapseGroup': collapseGroup,\n    'expandGroup': expandGroup,\n    'getGroups': getGroups,\n    'getIdxById': getIdxById,\n    'getRowById': getRowById,\n    'getItemById': getItemById,\n    'getItemByIdx': getItemByIdx,\n    'mapRowsToIds': mapRowsToIds,\n    'mapIdsToRows': mapIdsToRows,\n    'setRefreshHints': setRefreshHints,\n    'setFilterArgs': setFilterArgs,\n    'refresh': refresh,\n    'updateItem': updateItem,\n    'insertItem': insertItem,\n    'addItem': addItem,\n    'deleteItem': deleteItem,\n    'syncGridSelection': syncGridSelection,\n    'syncGridCellCssStyles': syncGridCellCssStyles,\n\n    // data provider methods\n    'getLength': getLength,\n    'getItem': getItem,\n    'getItemMetadata': getItemMetadata,\n\n    // events\n    'onRowCountChanged': onRowCountChanged,\n    'onRowsChanged': onRowsChanged,\n    'onPagingInfoChanged': onPagingInfoChanged\n  });\n}\n\nfunction AvgAggregator(field){\n  this.field_ = field;\n\n  this.init = function(){\n    this.count_ = 0;\n    this.nonNullCount_ = 0;\n    this.sum_ = 0;\n  };\n\n  this.accumulate = function(item){\n    let val = item[this.field_];\n    this.count_++;\n    if (val != null && val !== '' && !isNaN(val)){\n      this.nonNullCount_++;\n      this.sum_ += parseFloat(val);\n    }\n  };\n\n  this.storeResult = function(groupTotals){\n    if (!groupTotals.avg){\n      groupTotals.avg = {};\n    }\n    if (this.nonNullCount_ != 0){\n      groupTotals.avg[this.field_] = this.sum_ / this.nonNullCount_;\n    }\n  };\n}\n\nfunction MinAggregator(field){\n  this.field_ = field;\n\n  this.init = function(){\n    this.min_ = null;\n  };\n\n  this.accumulate = function(item){\n    let val = item[this.field_];\n    if (val != null && val !== '' && !isNaN(val)){\n      if (this.min_ == null || val < this.min_){\n        this.min_ = val;\n      }\n    }\n  };\n\n  this.storeResult = function(groupTotals){\n    if (!groupTotals.min){\n      groupTotals.min = {};\n    }\n    groupTotals.min[this.field_] = this.min_;\n  };\n}\n\nfunction MaxAggregator(field){\n  this.field_ = field;\n\n  this.init = function(){\n    this.max_ = null;\n  };\n\n  this.accumulate = function(item){\n    let val = item[this.field_];\n    if (val != null && val !== '' && !isNaN(val)){\n      if (this.max_ == null || val > this.max_){\n        this.max_ = val;\n      }\n    }\n  };\n\n  this.storeResult = function(groupTotals){\n    if (!groupTotals.max){\n      groupTotals.max = {};\n    }\n    groupTotals.max[this.field_] = this.max_;\n  };\n}\n\nfunction SumAggregator(field){\n  this.field_ = field;\n\n  this.init = function(){\n    this.sum_ = null;\n  };\n\n  this.accumulate = function(item){\n    let val = item[this.field_];\n    if (val != null && val !== '' && !isNaN(val)){\n      this.sum_ += parseFloat(val);\n    }\n  };\n\n  this.storeResult = function(groupTotals){\n    if (!groupTotals.sum){\n      groupTotals.sum = {};\n    }\n    groupTotals.sum[this.field_] = this.sum_;\n  };\n}\n\n\n\n// WEBPACK FOOTER //\n// ../src/slick.dataview.js","import Slick from './slick.core';\nimport flatpickr from 'flatpickr';\n//import 'flatpickr/dist/flatpickr.min.css';\nimport $ from 'jquery';\n\nconst { keyCode } = Slick;\n\n/** *\n * Contains basic SlickGrid editors.\n * @module Editors\n * @namespace Slick\n */\n\nconst Editors = {\n  Text: TextEditor,\n  Integer: IntegerEditor,\n  Float: FloatEditor,\n  Date: DateEditor,\n  YesNoSelect: YesNoSelectEditor,\n  Checkbox: CheckboxEditor,\n  LongText: LongTextEditor\n};\n\nSlick.Editors = Editors;\nexport default Editors;\n\nfunction TextEditor(args){\n  let $input;\n  let defaultValue;\n\n  this.init = function(){\n    $input = $(\"<INPUT type=text class='editor-text' />\")\n      .appendTo(args.container)\n      .bind('keydown.nav', function(e){\n        if (e.keyCode === keyCode.LEFT || e.keyCode === keyCode.RIGHT){\n          e.stopImmediatePropagation();\n        }\n      })\n      .focus()\n      .select();\n  };\n\n  this.destroy = function(){\n    $input.remove();\n  };\n\n  this.focus = function(){\n    $input.focus();\n  };\n\n  this.getValue = function(){\n    return $input.val();\n  };\n\n  this.setValue = function(val){\n    $input.val(val);\n  };\n\n  this.loadValue = function(item){\n    defaultValue = item[args.column.field] || '';\n    $input.val(defaultValue);\n    $input[0].defaultValue = defaultValue;\n    $input.select();\n  };\n\n  this.serializeValue = function(){\n    return $input.val();\n  };\n\n  this.applyValue = function(item, state){\n    item[args.column.field] = state;\n  };\n\n  this.isValueChanged = function(){\n    return (!($input.val() == '' && defaultValue == null)) && ($input.val() != defaultValue);\n  };\n\n  this.validate = function(){\n    let valid = true;\n    let msg = null;\n    if (args.column.validator){\n      let validationResults = args.column.validator($input.val(), args);\n      valid = validationResults.valid;\n      msg = validationResults.msg;\n    }\n\n    return {\n      valid: true,\n      msg: null\n    };\n  };\n\n  this.init();\n}\n\nfunction IntegerEditor(args){\n  let $input;\n  let defaultValue;\n\n  this.init = function(){\n    $input = $(\"<INPUT type=text class='editor-text' />\");\n\n    $input.bind('keydown.nav', function(e){\n      if (e.keyCode === keyCode.LEFT || e.keyCode === keyCode.RIGHT){\n        e.stopImmediatePropagation();\n      }\n    });\n\n    $input.appendTo(args.container);\n    $input.focus().select();\n  };\n\n  this.destroy = function(){\n    $input.remove();\n  };\n\n  this.focus = function(){\n    $input.focus();\n  };\n\n  this.loadValue = function(item){\n    defaultValue = item[args.column.field];\n    $input.val(defaultValue);\n    $input[0].defaultValue = defaultValue;\n    $input.select();\n  };\n\n  this.serializeValue = function(){\n    return parseInt($input.val(), 10) || 0;\n  };\n\n  this.applyValue = function(item, state){\n    item[args.column.field] = state;\n  };\n\n  this.isValueChanged = function(){\n    return (!($input.val() == '' && defaultValue == null)) && ($input.val() != defaultValue);\n  };\n\n  this.validate = function(){\n    if (isNaN($input.val())){\n      return {\n        valid: false,\n        msg: 'Please enter a valid integer'\n      };\n    }\n\n    if (args.column.validator){\n      let validationResults = args.column.validator($input.val());\n      if (!validationResults.valid){\n        return validationResults;\n      }\n    }\n\n    return {\n      valid: true,\n      msg: null\n    };\n  };\n\n  this.init();\n}\n\nfunction FloatEditor(args){\n  let $input;\n  let defaultValue;\n  let scope = this;\n\n  this.init = function(){\n    $input = $(\"<INPUT type=text class='editor-text' />\");\n\n    $input.bind('keydown.nav', function(e){\n      if (e.keyCode === keyCode.LEFT || e.keyCode === keyCode.RIGHT){\n        e.stopImmediatePropagation();\n      }\n    });\n\n    $input.appendTo(args.container);\n    $input.focus().select();\n  };\n\n  this.destroy = function(){\n    $input.remove();\n  };\n\n  this.focus = function(){\n    $input.focus();\n  };\n\n  function getDecimalPlaces(){\n    // returns the number of fixed decimal places or null\n    let rtn = args.column.editorFixedDecimalPlaces;\n    if (typeof rtn == 'undefined'){\n      rtn = FloatEditor.DefaultDecimalPlaces;\n    }\n    return (!rtn && rtn !== 0 ? null : rtn);\n  }\n\n  this.loadValue = function(item){\n    defaultValue = item[args.column.field];\n\n    let decPlaces = getDecimalPlaces();\n    if (decPlaces !== null\n      && (defaultValue || defaultValue === 0)\n      && defaultValue.toFixed){\n      defaultValue = defaultValue.toFixed(decPlaces);\n    }\n\n    $input.val(defaultValue);\n    $input[0].defaultValue = defaultValue;\n    $input.select();\n  };\n\n  this.serializeValue = function(){\n    let rtn = parseFloat($input.val()) || 0;\n\n    let decPlaces = getDecimalPlaces();\n    if (decPlaces !== null\n      && (rtn || rtn === 0)\n      && rtn.toFixed){\n      rtn = parseFloat(rtn.toFixed(decPlaces));\n    }\n\n    return rtn;\n  };\n\n  this.applyValue = function(item, state){\n    item[args.column.field] = state;\n  };\n\n  this.isValueChanged = function(){\n    return (!($input.val() == '' && defaultValue == null)) && ($input.val() != defaultValue);\n  };\n\n  this.validate = function(){\n    if (isNaN($input.val())){\n      return {\n        valid: false,\n        msg: 'Please enter a valid number'\n      };\n    }\n\n    if (args.column.validator){\n      let validationResults = args.column.validator($input.val(), args);\n      if (!validationResults.valid){\n        return validationResults;\n      }\n    }\n\n    return {\n      valid: true,\n      msg: null\n    };\n  };\n\n  this.init();\n}\n\nFloatEditor.DefaultDecimalPlaces = null;\n\n/**\n * see https://chmln.github.io/flatpickr/#options - pass as column.options.date = {}\n * @param args\n * @constructor\n */\nfunction DateEditor(args){\n  let $input,\n    flatInstance,\n    defaultDate,\n    options = args.column.options && args.column.options.date ? args.column.options.date : {};\n\n  this.init = function(){\n    defaultDate = options.defaultDate = args.item[args.column.field];\n\n    $input = $('<input type=text data-default-date=\"'+defaultDate+'\" class=\"editor-text\" />');\n    $input.appendTo(args.container);\n    $input.focus().val(defaultDate).select();\n    flatInstance = flatpickr($input[0], options);\n  };\n\n  this.destroy = function(){\n    flatInstance.destroy();\n    $input.remove();\n  };\n\n  this.show = function(){\n    flatInstance.open();\n    flatInstance.positionCalendar();\n  };\n\n  this.hide = function(){\n    flatInstance.close();\n  };\n\n  this.position = function(position){\n    //todo: fix how scrolling is affected\n    flatInstance.positionCalendar();\n  };\n\n  this.focus = function(){\n    $input.focus();\n  };\n\n  this.loadValue = function(item){\n    defaultDate = item[args.column.field];\n    $input.val(defaultDate);\n    $input.select();\n  };\n\n  this.serializeValue = function(){\n    return $input.val();\n  };\n\n  this.applyValue = function(item, state){\n    item[args.column.field] = state;\n  };\n\n  this.isValueChanged = function(){\n    return (!($input.val() == '' && defaultDate == null)) && ($input.val() != defaultDate);\n  };\n\n  this.validate = function(){\n    if (args.column.validator){\n      let validationResults = args.column.validator($input.val(), args);\n      if (!validationResults.valid){\n        return validationResults;\n      }\n    }\n\n    return {\n      valid: true,\n      msg: null\n    };\n  };\n\n  this.init();\n}\n\nfunction YesNoSelectEditor(args){\n  let $select;\n  let defaultValue;\n  let scope = this;\n\n  this.init = function(){\n    $select = $(\"<select tabIndex='0' class='editor-yesno'><option value='yes'>Yes</option><option value='no'>No</option></select>\");\n    $select.appendTo(args.container);\n    $select.focus();\n  };\n\n  this.destroy = function(){\n    $select.remove();\n  };\n\n  this.focus = function(){\n    $select.focus();\n  };\n\n  this.loadValue = function(item){\n    $select.val((defaultValue = item[args.column.field]) ? 'yes' : 'no');\n    $select.select();\n  };\n\n  this.serializeValue = function(){\n    return ($select.val() == 'yes');\n  };\n\n  this.applyValue = function(item, state){\n    item[args.column.field] = state;\n  };\n\n  this.isValueChanged = function(){\n    return ($select.val() != defaultValue);\n  };\n\n  this.validate = function(){\n    let valid = true;\n    let msg = null;\n    if (args.column.validator){\n      let validationResults = args.column.validator($select.val(), args);\n      valid = validationResults.valid;\n      msg = validationResults.msg;\n    }\n\n    return {\n      valid: true,\n      msg: null\n    };\n  };\n\n  this.init();\n}\n\nfunction CheckboxEditor(args){\n  let $select;\n  let defaultValue;\n  let scope = this;\n\n  this.init = function(){\n    $select = $(\"<INPUT type=checkbox value='true' class='editor-checkbox' hideFocus>\");\n    $select.appendTo(args.container);\n    $select.focus();\n  };\n\n  this.destroy = function(){\n    $select.remove();\n  };\n\n  this.focus = function(){\n    $select.focus();\n  };\n\n  this.loadValue = function(item){\n    defaultValue = !!item[args.column.field];\n    if (defaultValue){\n      $select.prop('checked', true);\n    } else {\n      $select.prop('checked', false);\n    }\n  };\n\n  this.serializeValue = function(){\n    return $select.prop('checked');\n  };\n\n  this.applyValue = function(item, state){\n    item[args.column.field] = state;\n  };\n\n  this.isValueChanged = function(){\n    return (this.serializeValue() !== defaultValue);\n  };\n\n  this.validate = function(){\n    let valid = true;\n    let msg = null;\n    if (args.column.validator){\n      let validationResults = args.column.validator($select.val(), args);\n      valid = validationResults.valid;\n      msg = validationResults.msg;\n    }\n\n    return {\n      valid: true,\n      msg: null\n    };\n  };\n\n  this.init();\n}\n\nfunction PercentCompleteEditor(args){\n  console.error('PercentCompleteEditor is derecated');\n}\n\n/*\n * An example of a \"detached\" editor.\n * The UI is added onto document BODY and .position(), .show() and .hide() are implemented.\n * KeyDown events are also handled to provide handling for Tab, Shift-Tab, Esc and Ctrl-Enter.\n */\nfunction LongTextEditor(args){\n  let $input, $wrapper;\n  let defaultValue;\n  let scope = this;\n\n  this.init = function(){\n    let $container = $('body');\n\n    $wrapper = $(\"<div class='slick-large-editor-text' />\").appendTo($container);\n    $input = $(\"<textarea hidefocus rows=5 />\").appendTo($wrapper);\n\n    $(\"<div><button>Save</button> <button>Cancel</button></div>\").appendTo($wrapper);\n\n    $wrapper.find('button:first').bind('click', this.save);\n    $wrapper.find('button:last').bind('click', this.cancel);\n    $input.bind('keydown', this.handleKeyDown);\n\n    scope.position(args.position);\n    $input.focus().select();\n  };\n\n  this.handleKeyDown = function(e){\n    if (e.which == keyCode.ENTER && e.ctrlKey){\n      scope.save();\n    } else if (e.which == keyCode.ESCAPE){\n      e.preventDefault();\n      scope.cancel();\n    } else if (e.which == keyCode.TAB && e.shiftKey){\n      e.preventDefault();\n      args.grid.navigatePrev();\n    } else if (e.which == keyCode.TAB){\n      e.preventDefault();\n      args.grid.navigateNext();\n    }\n  };\n\n  this.save = function(){\n    args.commitChanges();\n  };\n\n  this.cancel = function(){\n    $input.val(defaultValue);\n    args.cancelChanges();\n  };\n\n  this.hide = function(){\n    $wrapper.hide();\n  };\n\n  this.show = function(){\n    $wrapper.show();\n  };\n\n  this.position = function(position){\n    $wrapper\n      .css('top', position.top - 5)\n      .css('left', position.left - 5);\n  };\n\n  this.destroy = function(){\n    $wrapper.remove();\n  };\n\n  this.focus = function(){\n    $input.focus();\n  };\n\n  this.loadValue = function(item){\n    $input.val(defaultValue = item[args.column.field]);\n    $input.select();\n  };\n\n  this.serializeValue = function(){\n    return $input.val();\n  };\n\n  this.applyValue = function(item, state){\n    item[args.column.field] = state;\n  };\n\n  this.isValueChanged = function(){\n    return (!($input.val() == '' && defaultValue == null)) && ($input.val() != defaultValue);\n  };\n\n  this.validate = function(){\n    let valid = true;\n    let msg = null;\n    if (args.column.validator){\n      let validationResults = args.column.validator($select.val(), args);\n      valid = validationResults.valid;\n      msg = validationResults.msg;\n    }\n\n    return {\n      valid: true,\n      msg: null\n    };\n  };\n\n  this.init();\n}\n\n\n\n// WEBPACK FOOTER //\n// ../src/slick.editors.js","function PercentCompleteFormatter(row, cell, value, columnDef, dataContext){\n  if (value == null || value === ''){\n    return '-';\n  } else if (value < 50){\n    return `<span style='color:red;font-weight:bold;'>${value}%</span>`;\n  } else {\n    return `<span style='color:green'>${value}%</span>`;\n  }\n}\n\nfunction PercentCompleteBarFormatter(row, cell, value, columnDef, dataContext){\n  if (value == null || value === ''){\n    return '';\n  }\n\n  let color;\n\n  if (value < 30){\n    color = 'red';\n  } else if (value < 70){\n    color = 'silver';\n  } else {\n    color = 'green';\n  }\n\n  return \"<span class='percent-complete-bar' style='background:\" + color + ';width:' + value + \"%'></span>\";\n}\n\nfunction YesNoFormatter(row, cell, value, columnDef, dataContext){\n  return value ? 'Yes' : 'No';\n}\n\nfunction CheckmarkFormatter(row, cell, value, columnDef, dataContext){\n  return value ? '✔' : '';\n}\n\nexport default {\n  PercentComplete: PercentCompleteFormatter,\n  PercentCompleteBar: PercentCompleteBarFormatter,\n  YesNo: YesNoFormatter,\n  Checkmark: CheckmarkFormatter\n};\n\n\n\n// WEBPACK FOOTER //\n// ../src/slick.formatters.js","/**\n * @license\n * (c) 2009-2013 Michael Leibman\n * michael{dot}leibman{at}gmail{dot}com\n * http://github.com/mleibman/slickgrid\n *\n * Distributed under MIT license.\n * All rights reserved.\n *\n * SlickGrid v2.2\n *\n * NOTES:\n *     Cell/row DOM manipulations are done directly bypassing jQuery's DOM manipulation methods.\n *     This increases the speed dramatically, but can only be done safely because there are no event handlers\n *     or data associated with any cell/row DOM nodes.  Cell editors must make sure they implement .destroy()\n *     and do proper cleanup.\n */\n\nimport $ from 'jquery';\nimport interact from './interact.js';\n\nimport Slick from './slick.core';\n\n// Slick.Grid globals pretense\nSlick.Grid = SlickGrid;\n\nexport default SlickGrid;\n\n// shared across all grids on the page\nvar scrollbarDimensions;\nvar maxSupportedCssHeight;  // browser's breaking point\n\n// ////////////////////////////////////////////////////////////////////////////////////////////\n// SlickGrid class implementation (available as Slick.Grid)\n\n/**\n * Creates a new instance of the grid.\n * @class SlickGrid\n * @constructor\n * @param {Node}              container   Container node to create the grid in.\n * @param {Array,Object}      data        An array of objects for databinding.\n * @param {Array}             columns     An array of column definitions.\n * @param {Object}            options     Grid options.\n **/\nfunction SlickGrid(container, data, columns, options){\n  // settings\n  var defaults = {\n    explicitInitialization: false,\n    rowHeight: 25,\n    defaultColumnWidth: 80,\n    enableAddRow: false,\n    leaveSpaceForNewRows: false,\n    editable: false,\n    autoEdit: true,\n    enableCellNavigation: true,\n    enableColumnReorder: true,\n    asyncEditorLoading: false,\n    asyncEditorLoadDelay: 100,\n    forceFitColumns: false,\n    enableAsyncPostRender: false,\n    asyncPostRenderDelay: 50,\n    enableAsyncPostRenderCleanup: false,\n    asyncPostRenderCleanupDelay: 40,\n    autoHeight: false,\n    editorLock: Slick.GlobalEditorLock,\n    showHeaderRow: false,\n    headerRowHeight: 25,\n    createFooterRow: false,\n    showFooterRow: false,\n    footerRowHeight: 25,\n    showTopPanel: false,\n    topPanelHeight: 25,\n    formatterFactory: null,\n    editorFactory: null,\n    cellFlashingCssClass: 'flashing',\n    selectedCellCssClass: 'selected',\n    multiSelect: true,\n    enableTextSelectionOnCells: false,\n    dataItemColumnValueExtractor: null,\n    fullWidthRows: false,\n    multiColumnSort: false,\n    defaultFormatter: defaultFormatter,\n    forceSyncScrolling: false,\n    addNewRowCssClass: 'new-row'\n  };\n\n  var columnDefaults = {\n    name: '',\n    resizable: true,\n    sortable: false,\n    minWidth: 30,\n    rerenderOnResize: false,\n    headerCssClass: null,\n    defaultSortAsc: true,\n    focusable: true,\n    selectable: true\n  };\n\n  // scroller\n  var th;   // virtual height\n  var h;    // real scrollable height\n  var ph;   // page height\n  var n;    // number of pages\n  var cj;   // \"jumpiness\" coefficient\n\n  var page = 0;       // current page\n  var offset = 0;     // current page offset\n  var vScrollDir = 1;\n\n  // private\n  var initialized = false;\n  var $container;\n  var uid = 'slickgrid_' + Math.round(1000000 * Math.random());\n  var self = this;\n  var $focusSink, $focusSink2;\n  var $headerScroller;\n  var $headers;\n  var $headerRow, $headerRowScroller, $headerRowSpacer;\n  var $footerRow, $footerRowScroller, $footerRowSpacer;\n  var $topPanelScroller;\n  var $topPanel;\n  var $viewport;\n  var $canvas;\n  var $style;\n  var $boundAncestors;\n  var stylesheet, columnCssRulesL, columnCssRulesR;\n  var viewportH, viewportW;\n  var canvasWidth;\n  var viewportHasHScroll, viewportHasVScroll;\n  var headerColumnWidthDiff = 0, headerColumnHeightDiff = 0, // border+padding\n    cellWidthDiff = 0, cellHeightDiff = 0, jQueryNewWidthBehaviour = false;\n  var absoluteColumnMinWidth;\n\n  var tabbingDirection = 1;\n  var activePosX;\n  var activeRow, activeCell;\n  var activeCellNode = null;\n  var currentEditor = null;\n  var serializedEditorValue;\n  var editController;\n\n  var rowsCache = {};\n  var renderedRows = 0;\n  var numVisibleRows;\n  var prevScrollTop = 0;\n  var scrollTop = 0;\n  var lastRenderedScrollTop = 0;\n  var lastRenderedScrollLeft = 0;\n  var prevScrollLeft = 0;\n  var scrollLeft = 0;\n\n  var selectionModel;\n  var selectedRows = [];\n\n  var plugins = [];\n  var cellCssClasses = {};\n\n  var columnsById = {};\n  var sortColumns = [];\n  var columnPosLeft = [];\n  var columnPosRight = [];\n\n  // async call handles\n  var h_editorLoader = null;\n  var h_render = null;\n  var h_postrender = null;\n  var h_postrenderCleanup = null;\n  var postProcessedRows = {};\n  var postProcessToRow = null;\n  var postProcessFromRow = null;\n  var postProcessedCleanupQueue = [];\n  var postProcessgroupId = 0;\n\n  // perf counters\n  var counter_rows_rendered = 0;\n  var counter_rows_removed = 0;\n\n  // These two variables work around a bug with inertial scrolling in Webkit/Blink on Mac.\n  // See http://crbug.com/312427.\n  var rowNodeFromLastMouseWheelEvent;  // this node must not be deleted while inertial scrolling\n  var zombieRowNodeFromLastMouseWheelEvent;  // node that was hidden instead of getting deleted\n  var zombieRowCacheFromLastMouseWheelEvent;  // row cache for above node\n  var zombieRowPostProcessedFromLastMouseWheelEvent;  // post processing references for above node\n\n  // store css attributes if display:none is active in container or parent\n  var cssShow = {position: 'absolute', visibility: 'hidden', display: 'block'};\n  var $hiddenParents;\n  var oldProps = [];\n\n  // ////////////////////////////////////////////////////////////////////////////////////////////\n  // Initialization\n\n  function init(){\n    $container = $(container);\n    if ($container.length < 1){\n      throw new Error('SlickGrid requires a valid container, ' + container + ' does not exist in the DOM.');\n    }\n\n    cacheCssForHiddenInit();\n\n    // calculate these only once and share between grid instances\n    maxSupportedCssHeight = maxSupportedCssHeight || getMaxSupportedCssHeight();\n    scrollbarDimensions = scrollbarDimensions || measureScrollbar();\n\n    options = $.extend({}, defaults, options);\n    validateAndEnforceOptions();\n    columnDefaults.width = options.defaultColumnWidth;\n\n    columnsById = {};\n    for (var i = 0; i < columns.length; i++){\n      var m = columns[i] = $.extend({}, columnDefaults, columns[i]);\n      columnsById[m.id] = i;\n      if (m.minWidth && m.width < m.minWidth){\n        m.width = m.minWidth;\n      }\n      if (m.maxWidth && m.width > m.maxWidth){\n        m.width = m.maxWidth;\n      }\n    }\n\n    editController = {\n      'commitCurrentEdit': commitCurrentEdit,\n      'cancelCurrentEdit': cancelCurrentEdit\n    };\n\n    $container\n      .empty()\n      .css('overflow', 'hidden')\n      .css('outline', 0)\n      .addClass(uid)\n      .addClass('ui-widget');\n\n    // set up a positioning container if needed\n    if (!/relative|absolute|fixed/.test($container.css('position'))){\n      $container.css('position', 'relative');\n    }\n\n    $focusSink = $(\"<div tabIndex='0' hideFocus style='position:fixed;width:0;height:0;top:0;left:0;outline:0;'></div>\").appendTo($container);\n\n    $headerScroller = $(\"<div class='slick-header ui-state-default' style='overflow:hidden;position:relative;' />\").appendTo($container);\n    $headers = $(\"<div class='slick-header-columns' />\").appendTo($headerScroller);\n    $headers.width(getHeadersWidth());\n\n    $headerRowScroller = $(\"<div class='slick-headerrow ui-state-default' style='overflow:hidden;position:relative;' />\").appendTo($container);\n    $headerRow = $(\"<div class='slick-headerrow-columns' />\").appendTo($headerRowScroller);\n    $headerRowSpacer = $(\"<div style='display:block;height:1px;position:absolute;top:0;left:0;'></div>\")\n      .css('width', getCanvasWidth() + scrollbarDimensions.width + 'px')\n      .appendTo($headerRowScroller);\n\n    $topPanelScroller = $(\"<div class='slick-top-panel-scroller ui-state-default' style='overflow:hidden;position:relative;' />\").appendTo($container);\n    $topPanel = $(\"<div class='slick-top-panel' style='width:10000px' />\").appendTo($topPanelScroller);\n\n    if (!options.showTopPanel){\n      $topPanelScroller.hide();\n    }\n\n    if (!options.showHeaderRow){\n      $headerRowScroller.hide();\n    }\n\n    $viewport = $(\"<div class='slick-viewport' style='width:100%;overflow:auto;outline:0;position:relative;;'>\").appendTo($container);\n    $viewport.css('overflow-y', options.autoHeight ? 'hidden' : 'auto');\n\n    $canvas = $(\"<div class='grid-canvas' />\").appendTo($viewport);\n\n    if (options.createFooterRow){\n      $footerRowScroller = $(\"<div class='slick-footerrow ui-state-default' style='overflow:hidden;position:relative;' />\").appendTo($container);\n      $footerRow = $(\"<div class='slick-footerrow-columns' />\").appendTo($footerRowScroller);\n      $footerRowSpacer = $(\"<div style='display:block;height:1px;position:absolute;top:0;left:0;'></div>\")\n        .css('width', getCanvasWidth() + scrollbarDimensions.width + 'px')\n        .appendTo($footerRowScroller);\n\n      if (!options.showFooterRow){\n        $footerRowScroller.hide();\n      }\n    }\n\n    $focusSink2 = $focusSink.clone().appendTo($container);\n\n    if (!options.explicitInitialization){\n      finishInitialization();\n    }\n  }\n\n  function finishInitialization(){\n    if (!initialized){\n      initialized = true;\n\n      viewportW = parseFloat($.css($container[0], 'width', true));\n\n      // header columns and cells may have different padding/border skewing width calculations (box-sizing, hello?)\n      // calculate the diff so we can set consistent sizes\n      measureCellPaddingAndBorder();\n\n      // for usability reasons, all text selection in SlickGrid is disabled\n      // with the exception of input and textarea elements (selection must\n      // be enabled there so that editors work as expected); note that\n      // selection in grid cells (grid body) is already unavailable in\n      // all browsers except IE\n      disableSelection($headers); // disable all text selection in header (including input and textarea)\n\n      if (!options.enableTextSelectionOnCells){\n        // disable text selection in grid cells except in input and textarea elements\n        // (this is IE-specific, because selectstart event will only fire in IE)\n        $viewport.bind('selectstart.ui', function(event){\n          return $(event.target).is('input,textarea');\n        });\n      }\n\n      updateColumnCaches();\n      createColumnHeaders();\n      setupColumnSort();\n      createCssRules();\n      resizeCanvas();\n      bindAncestorScrollEvents();\n\n      $container\n        .bind('resize.slickgrid', resizeCanvas);\n      $viewport\n      // .bind(\"click\", handleClick)\n        .bind('scroll', handleScroll);\n      $headerScroller\n        .bind('contextmenu', handleHeaderContextMenu)\n        .bind('click', handleHeaderClick)\n        .delegate('.slick-header-column', 'mouseenter', handleHeaderMouseEnter)\n        .delegate('.slick-header-column', 'mouseleave', handleHeaderMouseLeave);\n      $headerRowScroller\n        .bind('scroll', handleHeaderRowScroll);\n\n      if (options.createFooterRow){\n        $footerRowScroller\n          .bind('scroll', handleFooterRowScroll);\n      }\n\n      $focusSink.add($focusSink2)\n        .bind('keydown', handleKeyDown);\n      $canvas\n        .bind('keydown', handleKeyDown)\n        .bind('click', handleClick)\n        .bind('dblclick', handleDblClick)\n        .bind('contextmenu', handleContextMenu)\n        .delegate('.slick-cell', 'mouseenter', handleMouseEnter)\n        .delegate('.slick-cell', 'mouseleave', handleMouseLeave);\n\n      // legacy support for drag events\n      interact($canvas[0]).allowFrom('div.slick-cell').draggable({\n        onmove: handleDrag,\n        onstart: handleDragStart,\n        onend: handleDragEnd\n      }).styleCursor(false);\n\n      // Work around http://crbug.com/312427.\n      if (navigator.userAgent.toLowerCase().match(/webkit/) &&\n        navigator.userAgent.toLowerCase().match(/macintosh/)){\n        $canvas.bind('mousewheel', handleMouseWheel);\n      }\n      restoreCssFromHiddenInit();\n    }\n  }\n\n  function cacheCssForHiddenInit(){\n    // handle display:none on container or container parents\n    $hiddenParents = $container.parents().addBack().not(':visible');\n    $hiddenParents.each(function(){\n      var old = {};\n      for (var name in cssShow){\n        old[name] = this.style[name];\n        this.style[name] = cssShow[name];\n      }\n      oldProps.push(old);\n    });\n  }\n\n  function restoreCssFromHiddenInit(){\n    // finish handle display:none on container or container parents\n    // - put values back the way they were\n    $hiddenParents.each(function(i){\n      var old = oldProps[i];\n      for (var name in cssShow){\n        this.style[name] = old[name];\n      }\n    });\n  }\n\n  function registerPlugin(plugin){\n    plugins.unshift(plugin);\n    plugin.init(self);\n  }\n\n  function unregisterPlugin(plugin){\n    for (var i = plugins.length; i >= 0; i--){\n      if (plugins[i] === plugin){\n        if (plugins[i].destroy){\n          plugins[i].destroy();\n        }\n        plugins.splice(i, 1);\n        break;\n      }\n    }\n  }\n\n  function setSelectionModel(model){\n    if (selectionModel){\n      selectionModel.onSelectedRangesChanged.unsubscribe(handleSelectedRangesChanged);\n      if (selectionModel.destroy){\n        selectionModel.destroy();\n      }\n    }\n\n    selectionModel = model;\n    if (selectionModel){\n      selectionModel.init(self);\n      selectionModel.onSelectedRangesChanged.subscribe(handleSelectedRangesChanged);\n    }\n  }\n\n  function getSelectionModel(){\n    return selectionModel;\n  }\n\n  function getCanvasNode(){\n    return $canvas[0];\n  }\n\n  function measureScrollbar(){\n    var $c = $(\"<div style='position:absolute; top:-10000px; left:-10000px; width:100px; height:100px; overflow:scroll;'></div>\").appendTo('body');\n    var dim = {\n      width: $c.width() - $c[0].clientWidth,\n      height: $c.height() - $c[0].clientHeight\n    };\n    $c.remove();\n    return dim;\n  }\n\n  function getHeadersWidth(){\n    var headersWidth = 0;\n    for (var i = 0, ii = columns.length; i < ii; i++){\n      var width = columns[i].width;\n      headersWidth += width;\n    }\n    headersWidth += scrollbarDimensions.width;\n    return Math.max(headersWidth, viewportW) + 1000;\n  }\n\n  function getCanvasWidth(){\n    var availableWidth = viewportHasVScroll ? viewportW - scrollbarDimensions.width : viewportW;\n    var rowWidth = 0;\n    var i = columns.length;\n    while (i--){\n      rowWidth += columns[i].width;\n    }\n    return options.fullWidthRows ? Math.max(rowWidth, availableWidth) : rowWidth;\n  }\n\n  function updateCanvasWidth(forceColumnWidthsUpdate){\n    var oldCanvasWidth = canvasWidth;\n    canvasWidth = getCanvasWidth();\n\n    if (canvasWidth != oldCanvasWidth){\n      $canvas.width(canvasWidth);\n      $headerRow.width(canvasWidth);\n      if (options.createFooterRow){\n        $footerRow.width(canvasWidth);\n      }\n      $headers.width(getHeadersWidth());\n      viewportHasHScroll = (canvasWidth > viewportW - scrollbarDimensions.width);\n    }\n\n    var w = canvasWidth + (viewportHasVScroll ? scrollbarDimensions.width : 0);\n    $headerRowSpacer.width(w);\n    if (options.createFooterRow){\n      $footerRowSpacer.width(w);\n    }\n\n    if (canvasWidth != oldCanvasWidth || forceColumnWidthsUpdate){\n      applyColumnWidths();\n    }\n  }\n\n  function disableSelection($target){\n    if ($target && $target.jquery){\n      $target\n        .attr('unselectable', 'on')\n        .css('MozUserSelect', 'none')\n        .bind('selectstart.ui', function(){\n          return false;\n        }); // from jquery:ui.core.js 1.7.2\n    }\n  }\n\n  function getMaxSupportedCssHeight(){\n    var supportedHeight = 1000000;\n    // FF reports the height back but still renders blank after ~6M px\n    var testUpTo = navigator.userAgent.toLowerCase().match(/firefox/) ? 6000000 : 1000000000;\n    var div = $(\"<div style='display:none' />\").appendTo(document.body);\n\n    while (true){\n      var test = supportedHeight * 2;\n      div.css('height', test);\n      if (test > testUpTo || div.height() !== test){\n        break;\n      } else {\n        supportedHeight = test;\n      }\n    }\n\n    div.remove();\n    return supportedHeight;\n  }\n\n  // TODO:  this is static.  need to handle page mutation.\n  function bindAncestorScrollEvents(){\n    var elem = $canvas[0];\n    while ((elem = elem.parentNode) != document.body && elem != null){\n      // bind to scroll containers only\n      if (elem == $viewport[0] || elem.scrollWidth != elem.clientWidth || elem.scrollHeight != elem.clientHeight){\n        var $elem = $(elem);\n        if (!$boundAncestors){\n          $boundAncestors = $elem;\n        } else {\n          $boundAncestors = $boundAncestors.add($elem);\n        }\n        $elem.bind('scroll.' + uid, handleActiveCellPositionChange);\n      }\n    }\n  }\n\n  function unbindAncestorScrollEvents(){\n    if (!$boundAncestors){\n      return;\n    }\n    $boundAncestors.unbind('scroll.' + uid);\n    $boundAncestors = null;\n  }\n\n  function updateColumnHeader(columnId, title, toolTip){\n    if (!initialized){\n      return;\n    }\n    var idx = getColumnIndex(columnId);\n    if (idx == null){\n      return;\n    }\n\n    var columnDef = columns[idx];\n    var $header = $headers.children().eq(idx);\n    if ($header){\n      if (title !== undefined){\n        columns[idx].name = title;\n      }\n      if (toolTip !== undefined){\n        columns[idx].toolTip = toolTip;\n      }\n\n      trigger(self.onBeforeHeaderCellDestroy, {\n        'node': $header[0],\n        'column': columnDef,\n        'grid': self\n      });\n\n      $header\n        .attr('title', toolTip || '')\n        .children().eq(0).html(title);\n\n      trigger(self.onHeaderCellRendered, {\n        'node': $header[0],\n        'column': columnDef,\n        'grid': self\n      });\n    }\n  }\n\n  function getHeaderRow(){\n    return $headerRow[0];\n  }\n\n  function getFooterRow(){\n    return $footerRow[0];\n  }\n\n  function getHeaderRowColumn(columnId){\n    var idx = getColumnIndex(columnId);\n    var $header = $headerRow.children().eq(idx);\n    return $header && $header[0];\n  }\n\n  function getFooterRowColumn(columnId){\n    var idx = getColumnIndex(columnId);\n    var $footer = $footerRow.children().eq(idx);\n    return $footer && $footer[0];\n  }\n\n  function createColumnHeaders(){\n    function onMouseEnter(){\n      $(this).addClass('ui-state-hover');\n    }\n\n    function onMouseLeave(){\n      $(this).removeClass('ui-state-hover');\n    }\n\n    $headers.find('.slick-header-column')\n      .each(function(){\n        var columnDef = $(this).data('column');\n        if (columnDef){\n          trigger(self.onBeforeHeaderCellDestroy, {\n            'node': this,\n            'column': columnDef,\n            'grid': self\n          });\n        }\n      });\n    $headers.empty();\n    $headers.width(getHeadersWidth());\n\n    $headerRow.find('.slick-headerrow-column')\n      .each(function(){\n        var columnDef = $(this).data('column');\n        if (columnDef){\n          trigger(self.onBeforeHeaderRowCellDestroy, {\n            'node': this,\n            'column': columnDef,\n            'grid': self\n          });\n        }\n      });\n    $headerRow.empty();\n\n    if (options.createFooterRow){\n      $footerRow.find('.slick-footerrow-column')\n        .each(function(){\n          var columnDef = $(this).data('column');\n          if (columnDef){\n            trigger(self.onBeforeFooterRowCellDestroy, {\n              'node': this,\n              'column': columnDef\n            });\n          }\n        });\n      $footerRow.empty();\n    }\n\n    for (var i = 0; i < columns.length; i++){\n      var m = columns[i];\n\n      var header = $(\"<div class='ui-state-default slick-header-column' />\")\n        .html(\"<span class='slick-column-name'>\" + m.name + '</span>')\n        .width(m.width - headerColumnWidthDiff)\n        .attr('id', '' + uid + m.id)\n        .attr('title', m.toolTip || '')\n        .data('column', m)\n        .addClass(m.headerCssClass || '')\n        .appendTo($headers);\n\n      if (options.enableColumnReorder || m.sortable){\n        header\n          .on('mouseenter', onMouseEnter)\n          .on('mouseleave', onMouseLeave);\n      }\n\n      if (m.sortable){\n        header.addClass('slick-header-sortable');\n        header.append(\"<span class='slick-sort-indicator' />\");\n      }\n\n      trigger(self.onHeaderCellRendered, {\n        'node': header[0],\n        'column': m,\n        'grid': self\n      });\n\n      if (options.showHeaderRow){\n        var headerRowCell = $(\"<div class='ui-state-default slick-headerrow-column l\" + i + ' r' + i + \"'></div>\")\n          .data('column', m)\n          .appendTo($headerRow);\n\n        trigger(self.onHeaderRowCellRendered, {\n          'node': headerRowCell[0],\n          'column': m,\n          'grid': self\n        });\n      }\n      if (options.createFooterRow && options.showFooterRow){\n        var footerRowCell = $(\"<div class='ui-state-default slick-footerrow-column l\" + i + ' r' + i + \"'></div>\")\n          .data('column', m)\n          .appendTo($footerRow);\n\n        trigger(self.onFooterRowCellRendered, {\n          'node': footerRowCell[0],\n          'column': m\n        });\n      }\n    }\n\n    setSortColumns(sortColumns);\n    setupColumnResize();\n    if (options.enableColumnReorder){\n      setupColumnReorder();\n    }\n  }\n\n  function setupColumnSort(){\n    $headers.click(function(e){\n      // temporary workaround for a bug in jQuery 1.7.1 (http://bugs.jquery.com/ticket/11328)\n      e.metaKey = e.metaKey || e.ctrlKey;\n\n      if ($(e.target).hasClass('slick-resizable-handle')){\n        return;\n      }\n\n      var $col = $(e.target).closest('.slick-header-column');\n      if (!$col.length){\n        return;\n      }\n\n      var column = $col.data('column');\n      if (column.sortable){\n        if (!getEditorLock().commitCurrentEdit()){\n          return;\n        }\n\n        var sortOpts = null;\n        var i = 0;\n        for (; i < sortColumns.length; i++){\n          if (sortColumns[i].columnId == column.id){\n            sortOpts = sortColumns[i];\n            sortOpts.sortAsc = !sortOpts.sortAsc;\n            break;\n          }\n        }\n\n        if (e.metaKey && options.multiColumnSort){\n          if (sortOpts){\n            sortColumns.splice(i, 1);\n          }\n        }\n        else {\n          if ((!e.shiftKey && !e.metaKey) || !options.multiColumnSort){\n            sortColumns = [];\n          }\n\n          if (!sortOpts){\n            sortOpts = {columnId: column.id, sortAsc: column.defaultSortAsc};\n            sortColumns.push(sortOpts);\n          } else if (sortColumns.length == 0){\n            sortColumns.push(sortOpts);\n          }\n        }\n\n        setSortColumns(sortColumns);\n\n        if (!options.multiColumnSort){\n          trigger(self.onSort, {\n            multiColumnSort: false,\n            sortCol: column,\n            sortAsc: sortOpts.sortAsc,\n            grid: self\n          }, e);\n        } else {\n          trigger(self.onSort, {\n            multiColumnSort: true,\n            sortCols: $.map(sortColumns, function(col){\n              return {sortCol: columns[getColumnIndex(col.columnId)], sortAsc: col.sortAsc};\n            }),\n            grid: self\n          }, e);\n        }\n      }\n    });\n  }\n\n  /**\n   * Refactored to use interactjs\n   */\n  function setupColumnReorder(){\n    let x = 0;\n    let delta = 0;\n    let placeholder = document.createElement('div');\n\n    placeholder.className = 'interact-placeholder';\n\n    interact('.slick-header-column')\n      .ignoreFrom('.slick-resizable-handle')\n      .draggable({\n        inertia: true,\n        // keep the element within the area of it's parent\n        restrict: {\n          restriction: 'parent',\n          endOnly: true,\n          elementRect: {top: 0, left: 0, bottom: 0, right: 0}\n        },\n        // enable autoScroll\n        autoScroll: true,\n        axis: 'x',\n        onstart: event => {\n          x = 0;\n          delta = event.target.offsetWidth;\n\n          // get old order\n          $headers.find('.slick-header-column').each(function(index){\n            $(this).data('index', index);\n          });\n\n          placeholder.style.height = event.target.offsetHeight + 'px';\n          placeholder.style.width = delta + 'px';\n\n          $(event.target).after(placeholder).css({\n            position: 'absolute',\n            zIndex: 1000,\n            marginLeft: $(event.target).position().left\n          });\n        },\n\n        onmove: event => {\n          x += event.dx;\n          event.target.style.transform = `translate3d(${x}px, -3px, 100px)`;\n          // event.target.style.marginLeft = x + 'px';\n        },\n\n        onend: event => {\n          x = 0;\n          delta = 0;\n          $(event.target).css({\n            position: 'relative',\n            zIndex: '',\n            marginLeft: 0,\n            transform: 'none'\n          });\n\n          placeholder.parentNode.removeChild(placeholder);\n          const newColumns = [];\n\n          $headers.find('.slick-header-column').each(function(index){\n            newColumns.push(columns[$(this).data('index')]);\n            $(this).removeData('index');\n          });\n\n          setColumns(newColumns);\n          trigger(self.onColumnsReordered, {grid: self});\n          setupColumnResize();\n        }\n      })\n      .dropzone({\n        accept: '.slick-header-column',\n\n        ondragenter: event => {\n          event.target.classList.add('interact-drop-active');\n          event.relatedTarget.classList.add('interact-can-drop');\n        },\n\n        ondragleave: event => {\n          event.target.classList.remove('interact-drop-active');\n          event.relatedTarget.classList.remove('interact-can-drop');\n        },\n\n        ondrop: event => {\n          event.target.classList.remove('interact-drop-active');\n          event.relatedTarget.classList.remove('interact-can-drop');\n          $(event.target)[x > 0 ? 'after' : 'before'](event.relatedTarget);\n        }\n      }).styleCursor(false);\n  }\n\n  function setupColumnResize(){\n    var $col, j, c, pageX, columnElements, minPageX, maxPageX, firstResizable, lastResizable;\n    columnElements = $headers.children();\n    columnElements.find('.slick-resizable-handle').remove();\n    columnElements.each(function(i, e){\n      if (columns[i].resizable){\n        if (firstResizable === undefined){\n          firstResizable = i;\n        }\n        lastResizable = i;\n      }\n    });\n    if (firstResizable === undefined){\n      return;\n    }\n    columnElements.each(function(i, element){\n      if (i < firstResizable || (options.forceFitColumns && i >= lastResizable)){\n        return;\n      }\n      $col = $(element);\n\n      const $handle = $(\"<div class='slick-resizable-handle' />\");\n      $handle.appendTo(element);\n\n      if ($col.data('resizable'))\n        return;\n\n      const activeColumn = columns[i];\n      if (activeColumn.resizable){\n        $col.data('resizable', true);\n        interact(element).resizable({\n          preserveAspectRatio: false,\n          edges: { left: true, right: true, bottom: false, top: false }\n        }).on('resizestart', function(event){\n          if (!getEditorLock().commitCurrentEdit()){\n            return false;\n          }\n          activeColumn.previousWidth = event.rect.width;\n          event.target.classList.add('slick-header-column-active');\n        }).on('resizemove', function(event){\n          let x = event.dx;\n          let width = activeColumn.width += x;\n\n          if (activeColumn.minWidth > 0 && activeColumn.minWidth > width)\n            width = activeColumn.minWidth;\n          else if (activeColumn.maxWidth > 0 && activeColumn.maxWidth < width)\n            width = activeColumn.maxWidth;\n\n          activeColumn.width = width;\n\n          if (options.forceFitColumns){\n            autosizeColumns();\n          }\n          applyColumnHeaderWidths();\n          if (options.syncColumnCellResize){\n            applyColumnWidths();\n          }\n        }).on('resizeend', function(event){\n          event.target.classList.remove('slick-header-column-active');\n          invalidateAllRows();\n          updateCanvasWidth(true);\n          render();\n          trigger(self.onColumnsResized, {grid: self});\n        });\n      }\n    });\n  }\n\n  function getVBoxDelta($el){\n    var p = ['borderTopWidth', 'borderBottomWidth', 'paddingTop', 'paddingBottom'];\n    var delta = 0;\n    $.each(p, function(n, val){\n      delta += parseFloat($el.css(val)) || 0;\n    });\n    return delta;\n  }\n\n  function measureCellPaddingAndBorder(){\n    var el;\n    var h = ['borderLeftWidth', 'borderRightWidth', 'paddingLeft', 'paddingRight'];\n    var v = ['borderTopWidth', 'borderBottomWidth', 'paddingTop', 'paddingBottom'];\n\n    // jquery prior to version 1.8 handles .width setter/getter as a direct css write/read\n    // jquery 1.8 changed .width to read the true inner element width if box-sizing is set to border-box, and introduced a setter for .outerWidth\n    // so for equivalent functionality, prior to 1.8 use .width, and after use .outerWidth\n    var verArray = $.fn.jquery.split('.');\n    jQueryNewWidthBehaviour = (verArray[0] == 1 && verArray[1] >= 8) || verArray[0] >= 2;\n\n    el = $(\"<div class='ui-state-default slick-header-column' style='visibility:hidden'>-</div>\").appendTo($headers);\n    headerColumnWidthDiff = headerColumnHeightDiff = 0;\n    if (el.css('box-sizing') != 'border-box' && el.css('-moz-box-sizing') != 'border-box' && el.css('-webkit-box-sizing') != 'border-box'){\n      $.each(h, function(n, val){\n        headerColumnWidthDiff += parseFloat(el.css(val)) || 0;\n      });\n      $.each(v, function(n, val){\n        headerColumnHeightDiff += parseFloat(el.css(val)) || 0;\n      });\n    }\n    el.remove();\n\n    var r = $(\"<div class='slick-row' />\").appendTo($canvas);\n    el = $(\"<div class='slick-cell' id='' style='visibility:hidden'>-</div>\").appendTo(r);\n    cellWidthDiff = cellHeightDiff = 0;\n    if (el.css('box-sizing') != 'border-box' && el.css('-moz-box-sizing') != 'border-box' && el.css('-webkit-box-sizing') != 'border-box'){\n      $.each(h, function(n, val){\n        cellWidthDiff += parseFloat(el.css(val)) || 0;\n      });\n      $.each(v, function(n, val){\n        cellHeightDiff += parseFloat(el.css(val)) || 0;\n      });\n    }\n    r.remove();\n\n    absoluteColumnMinWidth = Math.max(headerColumnWidthDiff, cellWidthDiff);\n  }\n\n  function createCssRules(){\n    $style = $(\"<style type='text/css' rel='stylesheet' />\").appendTo($('head'));\n    var rowHeight = (options.rowHeight - cellHeightDiff);\n    var rules = [\n      '.' + uid + ' .slick-header-column { left: 0; }',\n      '.' + uid + ' .slick-top-panel { height:' + options.topPanelHeight + 'px; }',\n      '.' + uid + ' .slick-headerrow-columns { height:' + options.headerRowHeight + 'px; }',\n      '.' + uid + ' .slick-footerrow-columns { height:' + options.footerRowHeight + 'px; }',\n      '.' + uid + ' .slick-cell { height:' + rowHeight + 'px; }',\n      '.' + uid + ' .slick-row { height:' + options.rowHeight + 'px; }'\n    ];\n\n    for (var i = 0; i < columns.length; i++){\n      rules.push('.' + uid + ' .l' + i + ' { }');\n      rules.push('.' + uid + ' .r' + i + ' { }');\n    }\n\n    if ($style[0].styleSheet){ // IE\n      $style[0].styleSheet.cssText = rules.join(' ');\n    } else {\n      $style[0].appendChild(document.createTextNode(rules.join(' ')));\n    }\n  }\n\n  function getColumnCssRules(idx){\n    if (!stylesheet){\n      var sheets = document.styleSheets;\n      for (var i = 0; i < sheets.length; i++){\n        if ((sheets[i].ownerNode || sheets[i].owningElement) == $style[0]){\n          stylesheet = sheets[i];\n          break;\n        }\n      }\n\n      if (!stylesheet){\n        throw new Error('Cannot find stylesheet.');\n      }\n\n      // find and cache column CSS rules\n      columnCssRulesL = [];\n      columnCssRulesR = [];\n      var cssRules = (stylesheet.cssRules || stylesheet.rules);\n      var matches, columnIdx;\n      for (var i = 0; i < cssRules.length; i++){\n        var selector = cssRules[i].selectorText;\n        if (matches = /\\.l\\d+/.exec(selector)){\n          columnIdx = parseInt(matches[0].substr(2, matches[0].length - 2), 10);\n          columnCssRulesL[columnIdx] = cssRules[i];\n        } else if (matches = /\\.r\\d+/.exec(selector)){\n          columnIdx = parseInt(matches[0].substr(2, matches[0].length - 2), 10);\n          columnCssRulesR[columnIdx] = cssRules[i];\n        }\n      }\n    }\n\n    return {\n      'left': columnCssRulesL[idx],\n      'right': columnCssRulesR[idx]\n    };\n  }\n\n  function removeCssRules(){\n    $style.remove();\n    stylesheet = null;\n  }\n\n  function destroy(){\n    getEditorLock().cancelCurrentEdit();\n\n    trigger(self.onBeforeDestroy, {grid: self});\n\n    var i = plugins.length;\n    while (i--){\n      unregisterPlugin(plugins[i]);\n    }\n\n    unbindAncestorScrollEvents();\n    $container.unbind('.slickgrid');\n    removeCssRules();\n\n    $container.empty().removeClass(uid);\n  }\n\n  // ////////////////////////////////////////////////////////////////////////////////////////////\n  // General\n\n  function trigger(evt, args, e){\n    e = e || new Slick.EventData();\n    args = args || {};\n    args.grid = self;\n    return evt.notify(args, e, self);\n  }\n\n  function getEditorLock(){\n    return options.editorLock;\n  }\n\n  function getEditController(){\n    return editController;\n  }\n\n  function getColumnIndex(id){\n    return columnsById[id];\n  }\n\n  function autosizeColumns(){\n    var i, c,\n      widths = [],\n      shrinkLeeway = 0,\n      total = 0,\n      prevTotal,\n      availWidth = viewportHasVScroll ? viewportW - scrollbarDimensions.width : viewportW;\n\n    for (i = 0; i < columns.length; i++){\n      c = columns[i];\n      widths.push(c.width);\n      total += c.width;\n      if (c.resizable){\n        shrinkLeeway += c.width - Math.max(c.minWidth, absoluteColumnMinWidth);\n      }\n    }\n\n    // shrink\n    prevTotal = total;\n    while (total > availWidth && shrinkLeeway){\n      var shrinkProportion = (total - availWidth) / shrinkLeeway;\n      for (i = 0; i < columns.length && total > availWidth; i++){\n        c = columns[i];\n        var width = widths[i];\n        if (!c.resizable || width <= c.minWidth || width <= absoluteColumnMinWidth){\n          continue;\n        }\n        var absMinWidth = Math.max(c.minWidth, absoluteColumnMinWidth);\n        var shrinkSize = Math.floor(shrinkProportion * (width - absMinWidth)) || 1;\n        shrinkSize = Math.min(shrinkSize, width - absMinWidth);\n        total -= shrinkSize;\n        shrinkLeeway -= shrinkSize;\n        widths[i] -= shrinkSize;\n      }\n      if (prevTotal <= total){  // avoid infinite loop\n        break;\n      }\n      prevTotal = total;\n    }\n\n    // grow\n    prevTotal = total;\n    while (total < availWidth){\n      var growProportion = availWidth / total;\n      for (i = 0; i < columns.length && total < availWidth; i++){\n        c = columns[i];\n        var currentWidth = widths[i];\n        var growSize;\n\n        if (!c.resizable || c.maxWidth <= currentWidth){\n          growSize = 0;\n        } else {\n          growSize = Math.min(Math.floor(growProportion * currentWidth) - currentWidth, (c.maxWidth - currentWidth) || 1000000) || 1;\n        }\n        total += growSize;\n        widths[i] += (total <= availWidth ? growSize : 0);\n      }\n      if (prevTotal >= total){  // avoid infinite loop\n        break;\n      }\n      prevTotal = total;\n    }\n\n    var reRender = false;\n    for (i = 0; i < columns.length; i++){\n      if (columns[i].rerenderOnResize && columns[i].width != widths[i]){\n        reRender = true;\n      }\n      columns[i].width = widths[i];\n    }\n\n    applyColumnHeaderWidths();\n    updateCanvasWidth(true);\n    if (reRender){\n      invalidateAllRows();\n      render();\n    }\n  }\n\n  function applyColumnHeaderWidths(){\n    if (!initialized){\n      return;\n    }\n    var h;\n    for (var i = 0, headers = $headers.children('[id]'), ii = headers.length; i < ii; i++){\n      h = $(headers[i]);\n      if (jQueryNewWidthBehaviour){\n        if (h.outerWidth() !== columns[i].width){\n          h.outerWidth(columns[i].width);\n        }\n      } else {\n        if (h.width() !== columns[i].width - headerColumnWidthDiff){\n          h.width(columns[i].width - headerColumnWidthDiff);\n        }\n      }\n    }\n\n    updateColumnCaches();\n  }\n\n  function applyColumnWidths(){\n    var x = 0, w, rule;\n    for (var i = 0; i < columns.length; i++){\n      w = columns[i].width;\n\n      rule = getColumnCssRules(i);\n      rule.left.style.left = x + 'px';\n      rule.right.style.right = (canvasWidth - x - w) + 'px';\n\n      x += columns[i].width;\n    }\n  }\n\n  function setSortColumn(columnId, ascending){\n    setSortColumns([{columnId: columnId, sortAsc: ascending}]);\n  }\n\n  function setSortColumns(cols){\n    sortColumns = cols;\n\n    var headerColumnEls = $headers.children();\n    headerColumnEls\n      .removeClass('slick-header-column-sorted')\n      .find('.slick-sort-indicator')\n      .removeClass('slick-sort-indicator-asc slick-sort-indicator-desc');\n\n    $.each(sortColumns, function(i, col){\n      if (col.sortAsc == null){\n        col.sortAsc = true;\n      }\n      var columnIndex = getColumnIndex(col.columnId);\n      if (columnIndex != null){\n        headerColumnEls.eq(columnIndex)\n          .addClass('slick-header-column-sorted')\n          .find('.slick-sort-indicator')\n          .addClass(col.sortAsc ? 'slick-sort-indicator-asc' : 'slick-sort-indicator-desc');\n      }\n    });\n  }\n\n  function getSortColumns(){\n    return sortColumns;\n  }\n\n  function handleSelectedRangesChanged(e, ranges){\n    selectedRows = [];\n    var hash = {};\n    for (var i = 0; i < ranges.length; i++){\n      for (var j = ranges[i].fromRow; j <= ranges[i].toRow; j++){\n        if (!hash[j]){  // prevent duplicates\n          selectedRows.push(j);\n          hash[j] = {};\n        }\n        for (var k = ranges[i].fromCell; k <= ranges[i].toCell; k++){\n          if (canCellBeSelected(j, k)){\n            hash[j][columns[k].id] = options.selectedCellCssClass;\n          }\n        }\n      }\n    }\n\n    setCellCssStyles(options.selectedCellCssClass, hash);\n\n    trigger(self.onSelectedRowsChanged, {rows: getSelectedRows(), grid: self}, e);\n  }\n\n  function getColumns(){\n    return columns;\n  }\n\n  function updateColumnCaches(){\n    // Pre-calculate cell boundaries.\n    columnPosLeft = [];\n    columnPosRight = [];\n    var x = 0;\n    for (var i = 0, ii = columns.length; i < ii; i++){\n      columnPosLeft[i] = x;\n      columnPosRight[i] = x + columns[i].width;\n      x += columns[i].width;\n    }\n  }\n\n  function setColumns(columnDefinitions){\n    columns = columnDefinitions;\n\n    columnsById = {};\n    for (var i = 0; i < columns.length; i++){\n      var m = columns[i] = $.extend({}, columnDefaults, columns[i]);\n      columnsById[m.id] = i;\n      if (m.minWidth && m.width < m.minWidth){\n        m.width = m.minWidth;\n      }\n      if (m.maxWidth && m.width > m.maxWidth){\n        m.width = m.maxWidth;\n      }\n    }\n\n    updateColumnCaches();\n\n    if (initialized){\n      invalidateAllRows();\n      createColumnHeaders();\n      removeCssRules();\n      createCssRules();\n      resizeCanvas();\n      applyColumnWidths();\n      handleScroll();\n    }\n  }\n\n  function getOptions(){\n    return options;\n  }\n\n  function setOptions(args){\n    if (!getEditorLock().commitCurrentEdit()){\n      return;\n    }\n\n    makeActiveCellNormal();\n\n    if (options.enableAddRow !== args.enableAddRow){\n      invalidateRow(getDataLength());\n    }\n\n    options = $.extend(options, args);\n    validateAndEnforceOptions();\n\n    $viewport.css('overflow-y', options.autoHeight ? 'hidden' : 'auto');\n    render();\n  }\n\n  function validateAndEnforceOptions(){\n    if (options.autoHeight){\n      options.leaveSpaceForNewRows = false;\n    }\n  }\n\n  function setData(newData, scrollToTop){\n    data = newData;\n    invalidateAllRows();\n    updateRowCount();\n    if (scrollToTop){\n      scrollTo(0);\n    }\n  }\n\n  function getData(){\n    return data;\n  }\n\n  function getDataLength(){\n    if (data.getLength){\n      return data.getLength();\n    } else {\n      return data.length;\n    }\n  }\n\n  function getDataLengthIncludingAddNew(){\n    return getDataLength() + (options.enableAddRow ? 1 : 0);\n  }\n\n  function getDataItem(i){\n    if (data.getItem){\n      return data.getItem(i);\n    } else {\n      return data[i];\n    }\n  }\n\n  function getTopPanel(){\n    return $topPanel[0];\n  }\n\n  function setTopPanelVisibility(visible){\n    if (options.showTopPanel != visible){\n      options.showTopPanel = visible;\n      if (visible){\n        $topPanelScroller.slideDown('fast', resizeCanvas);\n      } else {\n        $topPanelScroller.slideUp('fast', resizeCanvas);\n      }\n    }\n  }\n\n  function setHeaderRowVisibility(visible){\n    if (options.showHeaderRow != visible){\n      options.showHeaderRow = visible;\n      if (visible){\n        $headerRowScroller.slideDown('fast', resizeCanvas);\n      } else {\n        $headerRowScroller.slideUp('fast', resizeCanvas);\n      }\n    }\n  }\n\n  function setFooterRowVisibility(visible){\n    if (options.showFooterRow != visible){\n      options.showFooterRow = visible;\n      if (visible){\n        $footerRowScroller.slideDown('fast', resizeCanvas);\n      } else {\n        $footerRowScroller.slideUp('fast', resizeCanvas);\n      }\n    }\n  }\n\n  function getContainerNode(){\n    return $container.get(0);\n  }\n\n  // ////////////////////////////////////////////////////////////////////////////////////////////\n  // Rendering / Scrolling\n\n  function getRowTop(row){\n    return options.rowHeight * row - offset;\n  }\n\n  function getRowFromPosition(y){\n    return Math.floor((y + offset) / options.rowHeight);\n  }\n\n  function scrollTo(y){\n    y = Math.max(y, 0);\n    y = Math.min(y, th - viewportH + (viewportHasHScroll ? scrollbarDimensions.height : 0));\n\n    var oldOffset = offset;\n\n    page = Math.min(n - 1, Math.floor(y / ph));\n    offset = Math.round(page * cj);\n    var newScrollTop = y - offset;\n\n    if (offset != oldOffset){\n      var range = getVisibleRange(newScrollTop);\n      cleanupRows(range);\n      updateRowPositions();\n    }\n\n    if (prevScrollTop != newScrollTop){\n      vScrollDir = (prevScrollTop + oldOffset < newScrollTop + offset) ? 1 : -1;\n      $viewport[0].scrollTop = (lastRenderedScrollTop = scrollTop = prevScrollTop = newScrollTop);\n\n      trigger(self.onViewportChanged, {grid: self});\n    }\n  }\n\n  function defaultFormatter(row, cell, value, columnDef, dataContext){\n    if (value == null){\n      return '';\n    } else {\n      return (value + '').replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;');\n    }\n  }\n\n  function getFormatter(row, column){\n    var rowMetadata = data.getItemMetadata && data.getItemMetadata(row);\n\n    // look up by id, then index\n    var columnOverrides = rowMetadata &&\n      rowMetadata.columns &&\n      (rowMetadata.columns[column.id] || rowMetadata.columns[getColumnIndex(column.id)]);\n\n    return (columnOverrides && columnOverrides.formatter) ||\n      (rowMetadata && rowMetadata.formatter) ||\n      column.formatter ||\n      (options.formatterFactory && options.formatterFactory.getFormatter(column)) ||\n      options.defaultFormatter;\n  }\n\n  function getEditor(row, cell){\n    var column = columns[cell];\n    var rowMetadata = data.getItemMetadata && data.getItemMetadata(row);\n    var columnMetadata = rowMetadata && rowMetadata.columns;\n\n    if (columnMetadata && columnMetadata[column.id] && columnMetadata[column.id].editor !== undefined){\n      return columnMetadata[column.id].editor;\n    }\n    if (columnMetadata && columnMetadata[cell] && columnMetadata[cell].editor !== undefined){\n      return columnMetadata[cell].editor;\n    }\n\n    return column.editor || (options.editorFactory && options.editorFactory.getEditor(column));\n  }\n\n  function getDataItemValueForColumn(item, columnDef){\n    if (options.dataItemColumnValueExtractor){\n      return options.dataItemColumnValueExtractor(item, columnDef);\n    }\n    return item[columnDef.field];\n  }\n\n  function appendRowHtml(stringArray, row, range, dataLength){\n    var d = getDataItem(row);\n    var dataLoading = row < dataLength && !d;\n    var rowCss = 'slick-row' +\n      (dataLoading ? ' loading' : '') +\n      (row === activeRow ? ' active' : '') +\n      (row % 2 == 1 ? ' odd' : ' even');\n\n    if (!d){\n      rowCss += ' ' + options.addNewRowCssClass;\n    }\n\n    var metadata = data.getItemMetadata && data.getItemMetadata(row);\n\n    if (metadata && metadata.cssClasses){\n      rowCss += ' ' + metadata.cssClasses;\n    }\n\n    stringArray.push(\"<div class='ui-widget-content \" + rowCss + \"' style='top:\" + getRowTop(row) + \"px'>\");\n\n    var colspan, m;\n    for (var i = 0, ii = columns.length; i < ii; i++){\n      m = columns[i];\n      colspan = 1;\n      if (metadata && metadata.columns){\n        var columnData = metadata.columns[m.id] || metadata.columns[i];\n        colspan = (columnData && columnData.colspan) || 1;\n        if (colspan === '*'){\n          colspan = ii - i;\n        }\n      }\n\n      // Do not render cells outside of the viewport.\n      if (columnPosRight[Math.min(ii - 1, i + colspan - 1)] > range.leftPx){\n        if (columnPosLeft[i] > range.rightPx){\n          // All columns to the right are outside the range.\n          break;\n        }\n\n        appendCellHtml(stringArray, row, i, colspan, d);\n      }\n\n      if (colspan > 1){\n        i += (colspan - 1);\n      }\n    }\n\n    stringArray.push('</div>');\n  }\n\n  function appendCellHtml(stringArray, row, cell, colspan, item){\n    // stringArray: stringBuilder containing the HTML parts\n    // row, cell: row and column index\n    // colspan: HTML colspan\n    // item: grid data for row\n\n    var m = columns[cell];\n    var cellCss = 'slick-cell l' + cell + ' r' + Math.min(columns.length - 1, cell + colspan - 1) +\n      (m.cssClass ? ' ' + m.cssClass : '');\n    if (row === activeRow && cell === activeCell){\n      cellCss += (' active');\n    }\n\n    // TODO:  merge them together in the setter\n    for (var key in cellCssClasses){\n      if (cellCssClasses[key][row] && cellCssClasses[key][row][m.id]){\n        cellCss += (' ' + cellCssClasses[key][row][m.id]);\n      }\n    }\n\n    stringArray.push(\"<div class='\" + cellCss + \"'>\");\n\n    // if there is a corresponding row (if not, this is the Add New row or this data hasn't been loaded yet)\n    if (item){\n      var value = getDataItemValueForColumn(item, m);\n      stringArray.push(getFormatter(row, m)(row, cell, value, m, item));\n    }\n\n    stringArray.push('</div>');\n\n    rowsCache[row].cellRenderQueue.push(cell);\n    rowsCache[row].cellColSpans[cell] = colspan;\n  }\n\n  function cleanupRows(rangeToKeep){\n    for (var i in rowsCache){\n      if (((i = parseInt(i, 10)) !== activeRow) && (i < rangeToKeep.top || i > rangeToKeep.bottom)){\n        removeRowFromCache(i);\n      }\n    }\n    if (options.enableAsyncPostRenderCleanup){\n      startPostProcessingCleanup();\n    }\n  }\n\n  function invalidate(){\n    updateRowCount();\n    invalidateAllRows();\n    render();\n  }\n\n  function invalidateAllRows(){\n    if (currentEditor){\n      makeActiveCellNormal();\n    }\n    for (var row in rowsCache){\n      removeRowFromCache(row);\n    }\n    if (options.enableAsyncPostRenderCleanup){\n      startPostProcessingCleanup();\n    }\n  }\n\n  function queuePostProcessedRowForCleanup(cacheEntry, postProcessedRow, rowIdx){\n    postProcessgroupId++;\n\n    // store and detach node for later async cleanup\n    for (var columnIdx in postProcessedRow){\n      if (postProcessedRow.hasOwnProperty(columnIdx)){\n        postProcessedCleanupQueue.push({\n          actionType: 'C',\n          groupId: postProcessgroupId,\n          node: cacheEntry.cellNodesByColumnIdx[columnIdx | 0],\n          columnIdx: columnIdx | 0,\n          rowIdx: rowIdx\n        });\n      }\n    }\n    postProcessedCleanupQueue.push({\n      actionType: 'R',\n      groupId: postProcessgroupId,\n      node: cacheEntry.rowNode\n    });\n    $(cacheEntry.rowNode).detach();\n  }\n\n  function queuePostProcessedCellForCleanup(cellnode, columnIdx, rowIdx){\n    postProcessedCleanupQueue.push({\n      actionType: 'C',\n      groupId: postProcessgroupId,\n      node: cellnode,\n      columnIdx: columnIdx,\n      rowIdx: rowIdx\n    });\n    $(cellnode).detach();\n  }\n\n  function removeRowFromCache(row){\n    var cacheEntry = rowsCache[row];\n    if (!cacheEntry){\n      return;\n    }\n\n    if (rowNodeFromLastMouseWheelEvent === cacheEntry.rowNode){\n      cacheEntry.rowNode.style.display = 'none';\n      zombieRowNodeFromLastMouseWheelEvent = rowNodeFromLastMouseWheelEvent;\n      zombieRowCacheFromLastMouseWheelEvent = cacheEntry;\n      zombieRowPostProcessedFromLastMouseWheelEvent = postProcessedRows[row];\n      // ignore post processing cleanup in this case - it will be dealt with later\n    } else {\n      if (options.enableAsyncPostRenderCleanup && postProcessedRows[row]){\n        queuePostProcessedRowForCleanup(cacheEntry, postProcessedRows[row], row);\n      } else {\n        $canvas[0].removeChild(cacheEntry.rowNode);\n      }\n    }\n\n    delete rowsCache[row];\n    delete postProcessedRows[row];\n    renderedRows--;\n    counter_rows_removed++;\n  }\n\n  function invalidateRows(rows){\n    var i, rl;\n    if (!rows || !rows.length){\n      return;\n    }\n    vScrollDir = 0;\n    for (i = 0, rl = rows.length; i < rl; i++){\n      if (currentEditor && activeRow === rows[i]){\n        makeActiveCellNormal();\n      }\n      if (rowsCache[rows[i]]){\n        removeRowFromCache(rows[i]);\n      }\n    }\n    if (options.enableAsyncPostRenderCleanup){\n      startPostProcessingCleanup();\n    }\n  }\n\n  function invalidateRow(row){\n    invalidateRows([row]);\n  }\n\n  function updateCell(row, cell){\n    var cellNode = getCellNode(row, cell);\n    if (!cellNode){\n      return;\n    }\n\n    var m = columns[cell], d = getDataItem(row);\n    if (currentEditor && activeRow === row && activeCell === cell){\n      currentEditor.loadValue(d);\n    } else {\n      cellNode.innerHTML = d ? getFormatter(row, m)(row, cell, getDataItemValueForColumn(d, m), m, d) : '';\n      invalidatePostProcessingResults(row);\n    }\n  }\n\n  function updateRow(row){\n    var cacheEntry = rowsCache[row];\n    if (!cacheEntry){\n      return;\n    }\n\n    ensureCellNodesInRowsCache(row);\n\n    var d = getDataItem(row);\n\n    for (var columnIdx in cacheEntry.cellNodesByColumnIdx){\n      if (!cacheEntry.cellNodesByColumnIdx.hasOwnProperty(columnIdx)){\n        continue;\n      }\n\n      columnIdx = columnIdx | 0;\n      var m = columns[columnIdx],\n        node = cacheEntry.cellNodesByColumnIdx[columnIdx];\n\n      if (row === activeRow && columnIdx === activeCell && currentEditor){\n        currentEditor.loadValue(d);\n      } else if (d){\n        node.innerHTML = getFormatter(row, m)(row, columnIdx, getDataItemValueForColumn(d, m), m, d);\n      } else {\n        node.innerHTML = '';\n      }\n    }\n\n    invalidatePostProcessingResults(row);\n  }\n\n  function getViewportHeight(){\n    return parseFloat($.css($container[0], 'height', true)) -\n      parseFloat($.css($container[0], 'paddingTop', true)) -\n      parseFloat($.css($container[0], 'paddingBottom', true)) -\n      parseFloat($.css($headerScroller[0], 'height')) - getVBoxDelta($headerScroller) -\n      (options.showTopPanel ? options.topPanelHeight + getVBoxDelta($topPanelScroller) : 0) -\n      (options.showHeaderRow ? options.headerRowHeight + getVBoxDelta($headerRowScroller) : 0) -\n      (options.createFooterRow && options.showFooterRow ? options.footerRowHeight + getVBoxDelta($footerRowScroller) : 0);\n  }\n\n  function resizeCanvas(){\n    if (!initialized){\n      return;\n    }\n    if (options.autoHeight){\n      viewportH = options.rowHeight * getDataLengthIncludingAddNew();\n    } else {\n      viewportH = getViewportHeight();\n    }\n\n    numVisibleRows = Math.ceil(viewportH / options.rowHeight);\n    viewportW = parseFloat($.css($container[0], 'width', true));\n    if (!options.autoHeight){\n      $viewport.height(viewportH);\n    }\n\n    if (options.forceFitColumns){\n      autosizeColumns();\n    }\n\n    updateRowCount();\n    handleScroll();\n    // Since the width has changed, force the render() to reevaluate virtually rendered cells.\n    lastRenderedScrollLeft = -1;\n    render();\n  }\n\n  function updateRowCount(){\n    if (!initialized){\n      return;\n    }\n\n    var dataLengthIncludingAddNew = getDataLengthIncludingAddNew();\n    var numberOfRows = dataLengthIncludingAddNew +\n      (options.leaveSpaceForNewRows ? numVisibleRows - 1 : 0);\n\n    var oldViewportHasVScroll = viewportHasVScroll;\n    // with autoHeight, we do not need to accommodate the vertical scroll bar\n    viewportHasVScroll = !options.autoHeight && (numberOfRows * options.rowHeight > viewportH);\n    viewportHasHScroll = (canvasWidth > viewportW - scrollbarDimensions.width);\n\n    makeActiveCellNormal();\n\n    // remove the rows that are now outside of the data range\n    // this helps avoid redundant calls to .removeRow() when the size of the data decreased by thousands of rows\n    var l = dataLengthIncludingAddNew - 1;\n    for (var i in rowsCache){\n      if (i > l){\n        removeRowFromCache(i);\n      }\n    }\n    if (options.enableAsyncPostRenderCleanup){\n      startPostProcessingCleanup();\n    }\n\n    if (activeCellNode && activeRow > l){\n      resetActiveCell();\n    }\n\n    var oldH = h;\n    th = Math.max(options.rowHeight * numberOfRows, viewportH - scrollbarDimensions.height);\n    if (th < maxSupportedCssHeight){\n      // just one page\n      h = ph = th;\n      n = 1;\n      cj = 0;\n    } else {\n      // break into pages\n      h = maxSupportedCssHeight;\n      ph = h / 100;\n      n = Math.floor(th / ph);\n      cj = (th - h) / (n - 1);\n    }\n\n    if (h !== oldH){\n      $canvas.css('height', h);\n      scrollTop = $viewport[0].scrollTop;\n    }\n\n    var oldScrollTopInRange = (scrollTop + offset <= th - viewportH);\n\n    if (th == 0 || scrollTop == 0){\n      page = offset = 0;\n    } else if (oldScrollTopInRange){\n      // maintain virtual position\n      scrollTo(scrollTop + offset);\n    } else {\n      // scroll to bottom\n      scrollTo(th - viewportH);\n    }\n\n    if (h != oldH && options.autoHeight){\n      resizeCanvas();\n    }\n\n    if (options.forceFitColumns && oldViewportHasVScroll != viewportHasVScroll){\n      autosizeColumns();\n    }\n    updateCanvasWidth(false);\n  }\n\n  function getVisibleRange(viewportTop, viewportLeft){\n    if (viewportTop == null){\n      viewportTop = scrollTop;\n    }\n    if (viewportLeft == null){\n      viewportLeft = scrollLeft;\n    }\n\n    return {\n      top: getRowFromPosition(viewportTop),\n      bottom: getRowFromPosition(viewportTop + viewportH) + 1,\n      leftPx: viewportLeft,\n      rightPx: viewportLeft + viewportW\n    };\n  }\n\n  function getRenderedRange(viewportTop, viewportLeft){\n    var range = getVisibleRange(viewportTop, viewportLeft);\n    var buffer = Math.round(viewportH / options.rowHeight);\n    var minBuffer = 3;\n\n    if (vScrollDir == -1){\n      range.top -= buffer;\n      range.bottom += minBuffer;\n    } else if (vScrollDir == 1){\n      range.top -= minBuffer;\n      range.bottom += buffer;\n    } else {\n      range.top -= minBuffer;\n      range.bottom += minBuffer;\n    }\n\n    range.top = Math.max(0, range.top);\n    range.bottom = Math.min(getDataLengthIncludingAddNew() - 1, range.bottom);\n\n    range.leftPx -= viewportW;\n    range.rightPx += viewportW;\n\n    range.leftPx = Math.max(0, range.leftPx);\n    range.rightPx = Math.min(canvasWidth, range.rightPx);\n\n    return range;\n  }\n\n  function ensureCellNodesInRowsCache(row){\n    var cacheEntry = rowsCache[row];\n    if (cacheEntry){\n      if (cacheEntry.cellRenderQueue.length){\n        var lastChild = cacheEntry.rowNode.lastChild;\n        while (cacheEntry.cellRenderQueue.length){\n          var columnIdx = cacheEntry.cellRenderQueue.pop();\n          cacheEntry.cellNodesByColumnIdx[columnIdx] = lastChild;\n          lastChild = lastChild.previousSibling;\n        }\n      }\n    }\n  }\n\n  function cleanUpCells(range, row){\n    var totalCellsRemoved = 0;\n    var cacheEntry = rowsCache[row];\n\n    // Remove cells outside the range.\n    var cellsToRemove = [];\n    for (var i in cacheEntry.cellNodesByColumnIdx){\n      // I really hate it when people mess with Array.prototype.\n      if (!cacheEntry.cellNodesByColumnIdx.hasOwnProperty(i)){\n        continue;\n      }\n\n      // This is a string, so it needs to be cast back to a number.\n      i = i | 0;\n\n      var colspan = cacheEntry.cellColSpans[i];\n      if (columnPosLeft[i] > range.rightPx ||\n        columnPosRight[Math.min(columns.length - 1, i + colspan - 1)] < range.leftPx){\n        if (!(row == activeRow && i == activeCell)){\n          cellsToRemove.push(i);\n        }\n      }\n    }\n\n    var cellToRemove, node;\n    postProcessgroupId++;\n    while ((cellToRemove = cellsToRemove.pop()) != null){\n      node = cacheEntry.cellNodesByColumnIdx[cellToRemove];\n      if (options.enableAsyncPostRenderCleanup && postProcessedRows[row] && postProcessedRows[row][cellToRemove]){\n        queuePostProcessedCellForCleanup(node, cellToRemove, row);\n      } else {\n        cacheEntry.rowNode.removeChild(node);\n      }\n\n      delete cacheEntry.cellColSpans[cellToRemove];\n      delete cacheEntry.cellNodesByColumnIdx[cellToRemove];\n      if (postProcessedRows[row]){\n        delete postProcessedRows[row][cellToRemove];\n      }\n      totalCellsRemoved++;\n    }\n  }\n\n  function cleanUpAndRenderCells(range){\n    var cacheEntry;\n    var stringArray = [];\n    var processedRows = [];\n    var cellsAdded;\n    var totalCellsAdded = 0;\n    var colspan;\n\n    for (var row = range.top, btm = range.bottom; row <= btm; row++){\n      cacheEntry = rowsCache[row];\n      if (!cacheEntry){\n        continue;\n      }\n\n      // cellRenderQueue populated in renderRows() needs to be cleared first\n      ensureCellNodesInRowsCache(row);\n\n      cleanUpCells(range, row);\n\n      // Render missing cells.\n      cellsAdded = 0;\n\n      var metadata = data.getItemMetadata && data.getItemMetadata(row);\n      metadata = metadata && metadata.columns;\n\n      var d = getDataItem(row);\n\n      // TODO:  shorten this loop (index? heuristics? binary search?)\n      for (var i = 0, ii = columns.length; i < ii; i++){\n        // Cells to the right are outside the range.\n        if (columnPosLeft[i] > range.rightPx){\n          break;\n        }\n\n        // Already rendered.\n        if ((colspan = cacheEntry.cellColSpans[i]) != null){\n          i += (colspan > 1 ? colspan - 1 : 0);\n          continue;\n        }\n\n        colspan = 1;\n        if (metadata){\n          var columnData = metadata[columns[i].id] || metadata[i];\n          colspan = (columnData && columnData.colspan) || 1;\n          if (colspan === '*'){\n            colspan = ii - i;\n          }\n        }\n\n        if (columnPosRight[Math.min(ii - 1, i + colspan - 1)] > range.leftPx){\n          appendCellHtml(stringArray, row, i, colspan, d);\n          cellsAdded++;\n        }\n\n        i += (colspan > 1 ? colspan - 1 : 0);\n      }\n\n      if (cellsAdded){\n        totalCellsAdded += cellsAdded;\n        processedRows.push(row);\n      }\n    }\n\n    if (!stringArray.length){\n      return;\n    }\n\n    var x = document.createElement('div');\n    x.innerHTML = stringArray.join('');\n\n    var processedRow;\n    var node;\n    while ((processedRow = processedRows.pop()) != null){\n      cacheEntry = rowsCache[processedRow];\n      var columnIdx;\n      while ((columnIdx = cacheEntry.cellRenderQueue.pop()) != null){\n        node = x.lastChild;\n        cacheEntry.rowNode.appendChild(node);\n        cacheEntry.cellNodesByColumnIdx[columnIdx] = node;\n      }\n    }\n  }\n\n  function renderRows(range){\n    var parentNode = $canvas[0],\n      stringArray = [],\n      rows = [],\n      needToReselectCell = false,\n      dataLength = getDataLength();\n\n    for (var i = range.top, ii = range.bottom; i <= ii; i++){\n      if (rowsCache[i]){\n        continue;\n      }\n      renderedRows++;\n      rows.push(i);\n\n      // Create an entry right away so that appendRowHtml() can\n      // start populatating it.\n      rowsCache[i] = {\n        'rowNode': null,\n\n        // ColSpans of rendered cells (by column idx).\n        // Can also be used for checking whether a cell has been rendered.\n        'cellColSpans': [],\n\n        // Cell nodes (by column idx).  Lazy-populated by ensureCellNodesInRowsCache().\n        'cellNodesByColumnIdx': [],\n\n        // Column indices of cell nodes that have been rendered, but not yet indexed in\n        // cellNodesByColumnIdx.  These are in the same order as cell nodes added at the\n        // end of the row.\n        'cellRenderQueue': []\n      };\n\n      appendRowHtml(stringArray, i, range, dataLength);\n      if (activeCellNode && activeRow === i){\n        needToReselectCell = true;\n      }\n      counter_rows_rendered++;\n    }\n\n    if (!rows.length){\n      return;\n    }\n\n    var x = document.createElement('div');\n    x.innerHTML = stringArray.join('');\n\n    for (var i = 0, ii = rows.length; i < ii; i++){\n      rowsCache[rows[i]].rowNode = parentNode.appendChild(x.firstChild);\n    }\n\n    if (needToReselectCell){\n      activeCellNode = getCellNode(activeRow, activeCell);\n    }\n  }\n\n  function startPostProcessing(){\n    if (!options.enableAsyncPostRender){\n      return;\n    }\n    clearTimeout(h_postrender);\n    h_postrender = setTimeout(asyncPostProcessRows, options.asyncPostRenderDelay);\n  }\n\n  function startPostProcessingCleanup(){\n    if (!options.enableAsyncPostRenderCleanup){\n      return;\n    }\n    clearTimeout(h_postrenderCleanup);\n    h_postrenderCleanup = setTimeout(asyncPostProcessCleanupRows, options.asyncPostRenderCleanupDelay);\n  }\n\n  function invalidatePostProcessingResults(row){\n    // change status of columns to be re-rendered\n    for (var columnIdx in postProcessedRows[row]){\n      if (postProcessedRows[row].hasOwnProperty(columnIdx)){\n        postProcessedRows[row][columnIdx] = 'C';\n      }\n    }\n    postProcessFromRow = Math.min(postProcessFromRow, row);\n    postProcessToRow = Math.max(postProcessToRow, row);\n    startPostProcessing();\n  }\n\n  function updateRowPositions(){\n    for (var row in rowsCache){\n      rowsCache[row].rowNode.style.top = getRowTop(row) + 'px';\n    }\n  }\n\n  function render(){\n    if (!initialized){\n      return;\n    }\n    var visible = getVisibleRange();\n    var rendered = getRenderedRange();\n\n    // remove rows no longer in the viewport\n    cleanupRows(rendered);\n\n    // add new rows & missing cells in existing rows\n    if (lastRenderedScrollLeft != scrollLeft){\n      cleanUpAndRenderCells(rendered);\n    }\n\n    // render missing rows\n    renderRows(rendered);\n\n    postProcessFromRow = visible.top;\n    postProcessToRow = Math.min(getDataLengthIncludingAddNew() - 1, visible.bottom);\n    startPostProcessing();\n\n    lastRenderedScrollTop = scrollTop;\n    lastRenderedScrollLeft = scrollLeft;\n    h_render = null;\n  }\n\n  function handleHeaderRowScroll(){\n    var scrollLeft = $headerRowScroller[0].scrollLeft;\n    if (scrollLeft != $viewport[0].scrollLeft){\n      $viewport[0].scrollLeft = scrollLeft;\n    }\n  }\n\n  function handleFooterRowScroll(){\n    var scrollLeft = $footerRowScroller[0].scrollLeft;\n    if (scrollLeft != $viewport[0].scrollLeft){\n      $viewport[0].scrollLeft = scrollLeft;\n    }\n  }\n\n  function handleScroll(){\n    scrollTop = $viewport[0].scrollTop;\n    scrollLeft = $viewport[0].scrollLeft;\n    var vScrollDist = Math.abs(scrollTop - prevScrollTop);\n    var hScrollDist = Math.abs(scrollLeft - prevScrollLeft);\n\n    if (hScrollDist){\n      prevScrollLeft = scrollLeft;\n      $headerScroller[0].scrollLeft = scrollLeft;\n      $topPanelScroller[0].scrollLeft = scrollLeft;\n      $headerRowScroller[0].scrollLeft = scrollLeft;\n      if (options.createFooterRow){\n        $footerRowScroller[0].scrollLeft = scrollLeft;\n      }\n    }\n\n    if (vScrollDist){\n      vScrollDir = prevScrollTop < scrollTop ? 1 : -1;\n      prevScrollTop = scrollTop;\n\n      // switch virtual pages if needed\n      if (vScrollDist < viewportH){\n        scrollTo(scrollTop + offset);\n      } else {\n        var oldOffset = offset;\n        if (h == viewportH){\n          page = 0;\n        } else {\n          page = Math.min(n - 1, Math.floor(scrollTop * ((th - viewportH) / (h - viewportH)) * (1 / ph)));\n        }\n        offset = Math.round(page * cj);\n        if (oldOffset != offset){\n          invalidateAllRows();\n        }\n      }\n    }\n\n    if (hScrollDist || vScrollDist){\n      if (h_render){\n        clearTimeout(h_render);\n      }\n\n      if (Math.abs(lastRenderedScrollTop - scrollTop) > 20 ||\n        Math.abs(lastRenderedScrollLeft - scrollLeft) > 20){\n        if (options.forceSyncScrolling || (\n          Math.abs(lastRenderedScrollTop - scrollTop) < viewportH &&\n          Math.abs(lastRenderedScrollLeft - scrollLeft) < viewportW)){\n          render();\n        } else {\n          h_render = setTimeout(render, 50);\n        }\n\n        trigger(self.onViewportChanged, {grid: self});\n      }\n    }\n\n    trigger(self.onScroll, {scrollLeft: scrollLeft, scrollTop: scrollTop, grid: self});\n  }\n\n  function asyncPostProcessRows(){\n    var dataLength = getDataLength();\n    while (postProcessFromRow <= postProcessToRow){\n      var row = (vScrollDir >= 0) ? postProcessFromRow++ : postProcessToRow--;\n      var cacheEntry = rowsCache[row];\n      if (!cacheEntry || row >= dataLength){\n        continue;\n      }\n\n      if (!postProcessedRows[row]){\n        postProcessedRows[row] = {};\n      }\n\n      ensureCellNodesInRowsCache(row);\n      for (var columnIdx in cacheEntry.cellNodesByColumnIdx){\n        if (!cacheEntry.cellNodesByColumnIdx.hasOwnProperty(columnIdx)){\n          continue;\n        }\n\n        columnIdx = columnIdx | 0;\n\n        var m = columns[columnIdx];\n        var processedStatus = postProcessedRows[row][columnIdx]; // C=cleanup and re-render, R=rendered\n        if (m.asyncPostRender && processedStatus !== 'R'){\n          var node = cacheEntry.cellNodesByColumnIdx[columnIdx];\n          if (node){\n            m.asyncPostRender(node, row, getDataItem(row), m, (processedStatus === 'C'));\n          }\n          postProcessedRows[row][columnIdx] = 'R';\n        }\n      }\n\n      h_postrender = setTimeout(asyncPostProcessRows, options.asyncPostRenderDelay);\n      return;\n    }\n  }\n\n  function asyncPostProcessCleanupRows(){\n    if (postProcessedCleanupQueue.length > 0){\n      var groupId = postProcessedCleanupQueue[0].groupId;\n\n      // loop through all queue members with this groupID\n      while (postProcessedCleanupQueue.length > 0 && postProcessedCleanupQueue[0].groupId == groupId){\n        var entry = postProcessedCleanupQueue.shift();\n        if (entry.actionType == 'R'){\n          $(entry.node).remove();\n        }\n        if (entry.actionType == 'C'){\n          var column = columns[entry.columnIdx];\n          if (column.asyncPostRenderCleanup && entry.node){\n            // cleanup must also remove element\n            column.asyncPostRenderCleanup(entry.node, entry.rowIdx, column);\n          }\n        }\n      }\n\n      // call this function again after the specified delay\n      h_postrenderCleanup = setTimeout(asyncPostProcessCleanupRows, options.asyncPostRenderCleanupDelay);\n    }\n  }\n\n  function updateCellCssStylesOnRenderedRows(addedHash, removedHash){\n    var node, columnId, addedRowHash, removedRowHash;\n    for (var row in rowsCache){\n      removedRowHash = removedHash && removedHash[row];\n      addedRowHash = addedHash && addedHash[row];\n\n      if (removedRowHash){\n        for (columnId in removedRowHash){\n          if (!addedRowHash || removedRowHash[columnId] != addedRowHash[columnId]){\n            node = getCellNode(row, getColumnIndex(columnId));\n            if (node){\n              $(node).removeClass(removedRowHash[columnId]);\n            }\n          }\n        }\n      }\n\n      if (addedRowHash){\n        for (columnId in addedRowHash){\n          if (!removedRowHash || removedRowHash[columnId] != addedRowHash[columnId]){\n            node = getCellNode(row, getColumnIndex(columnId));\n            if (node){\n              $(node).addClass(addedRowHash[columnId]);\n            }\n          }\n        }\n      }\n    }\n  }\n\n  function addCellCssStyles(key, hash){\n    if (cellCssClasses[key]){\n      throw \"addCellCssStyles: cell CSS hash with key '\" + key + \"' already exists.\";\n    }\n\n    cellCssClasses[key] = hash;\n    updateCellCssStylesOnRenderedRows(hash, null);\n\n    trigger(self.onCellCssStylesChanged, {'key': key, 'hash': hash, 'grid': self});\n  }\n\n  function removeCellCssStyles(key){\n    if (!cellCssClasses[key]){\n      return;\n    }\n\n    updateCellCssStylesOnRenderedRows(null, cellCssClasses[key]);\n    delete cellCssClasses[key];\n\n    trigger(self.onCellCssStylesChanged, {'key': key, 'hash': null, 'grid': self});\n  }\n\n  function setCellCssStyles(key, hash){\n    var prevHash = cellCssClasses[key];\n\n    cellCssClasses[key] = hash;\n    updateCellCssStylesOnRenderedRows(hash, prevHash);\n\n    trigger(self.onCellCssStylesChanged, {'key': key, 'hash': hash, 'grid': self});\n  }\n\n  function getCellCssStyles(key){\n    return cellCssClasses[key];\n  }\n\n  function flashCell(row, cell, speed){\n    speed = speed || 100;\n    if (rowsCache[row]){\n      var $cell = $(getCellNode(row, cell));\n\n      function toggleCellClass(times){\n        if (!times){\n          return;\n        }\n        setTimeout(function(){\n          $cell.queue(function(){\n            $cell.toggleClass(options.cellFlashingCssClass).dequeue();\n            toggleCellClass(times - 1);\n          });\n        },\n          speed);\n      }\n\n      toggleCellClass(4);\n    }\n  }\n\n  // ////////////////////////////////////////////////////////////////////////////////////////////\n  // Interactivity\n\n  function handleMouseWheel(e){\n    var rowNode = $(e.target).closest('.slick-row')[0];\n    if (rowNode != rowNodeFromLastMouseWheelEvent){\n      if (zombieRowNodeFromLastMouseWheelEvent && zombieRowNodeFromLastMouseWheelEvent != rowNode){\n        if (options.enableAsyncPostRenderCleanup && zombieRowPostProcessedFromLastMouseWheelEvent){\n          queuePostProcessedRowForCleanup(zombieRowCacheFromLastMouseWheelEvent,\n            zombieRowPostProcessedFromLastMouseWheelEvent);\n        } else {\n          $canvas[0].removeChild(zombieRowNodeFromLastMouseWheelEvent);\n        }\n        zombieRowNodeFromLastMouseWheelEvent = null;\n        zombieRowCacheFromLastMouseWheelEvent = null;\n        zombieRowPostProcessedFromLastMouseWheelEvent = null;\n\n        if (options.enableAsyncPostRenderCleanup){\n          startPostProcessingCleanup();\n        }\n      }\n      rowNodeFromLastMouseWheelEvent = rowNode;\n    }\n  }\n\n  function handleDragStart(interactEvent){\n    var event = $.Event(interactEvent.originalEvent.type, interactEvent.originalEvent);\n    var cell = getCellFromEvent(event);\n    if (!cell || !cellExists(cell.row, cell.cell)){\n      return false;\n    }\n\n    var retval = trigger(self.onDragStart, interactEvent, event);\n    if (event.isImmediatePropagationStopped()){\n      return retval;\n    }\n\n    return false;\n  }\n\n  function handleDrag(interactEvent){\n    var event = $.Event(interactEvent.originalEvent.type, interactEvent.originalEvent);\n    return trigger(self.onDrag, interactEvent, event);\n  }\n\n  function handleDragEnd(interactEvent){\n    trigger(self.onDragEnd, interactEvent, $.Event('mousedown'));\n  }\n\n  function handleKeyDown(e){\n    trigger(self.onKeyDown, {row: activeRow, cell: activeCell, grid: self}, e);\n    var handled = e.isImmediatePropagationStopped();\n    var keyCode = Slick.keyCode;\n\n    if (!handled){\n      if (!e.shiftKey && !e.altKey && !e.ctrlKey){\n        // editor may specify an array of keys to bubble\n        if (options.editable && currentEditor && currentEditor.keyCaptureList){\n          if (currentEditor.keyCaptureList.indexOf(e.which) > -1){\n            return;\n          }\n        }\n        if (e.which == keyCode.ESCAPE){\n          if (!getEditorLock().isActive()){\n            return; // no editing mode to cancel, allow bubbling and default processing (exit without cancelling the event)\n          }\n          cancelEditAndSetFocus();\n        } else if (e.which == keyCode.PAGE_DOWN){\n          navigatePageDown();\n          handled = true;\n        } else if (e.which == keyCode.PAGE_UP){\n          navigatePageUp();\n          handled = true;\n        } else if (e.which == keyCode.LEFT){\n          handled = navigateLeft();\n        } else if (e.which == keyCode.RIGHT){\n          handled = navigateRight();\n        } else if (e.which == keyCode.UP){\n          handled = navigateUp();\n        } else if (e.which == keyCode.DOWN){\n          handled = navigateDown();\n        } else if (e.which == keyCode.TAB){\n          handled = navigateNext();\n        } else if (e.which == keyCode.ENTER){\n          if (options.editable){\n            if (currentEditor){\n              // adding new row\n              if (activeRow === getDataLength()){\n                navigateDown();\n              } else {\n                commitEditAndSetFocus();\n              }\n            } else {\n              if (getEditorLock().commitCurrentEdit()){\n                makeActiveCellEditable();\n              }\n            }\n          }\n          handled = true;\n        }\n      } else if (e.which == keyCode.TAB && e.shiftKey && !e.ctrlKey && !e.altKey){\n        handled = navigatePrev();\n      }\n    }\n\n    if (handled){\n      // the event has been handled so don't let parent element (bubbling/propagation) or browser (default) handle it\n      e.stopPropagation();\n      e.preventDefault();\n      try {\n        e.originalEvent.keyCode = 0; // prevent default behaviour for special keys in IE browsers (F3, F5, etc.)\n      }\n        // ignore exceptions - setting the original event's keycode throws access denied exception for \"Ctrl\"\n        // (hitting control key only, nothing else), \"Shift\" (maybe others)\n      catch (error){\n      }\n    }\n  }\n\n  function handleClick(e){\n    if (!currentEditor){\n      // if this click resulted in some cell child node getting focus,\n      // don't steal it back - keyboard events will still bubble up\n      // IE9+ seems to default DIVs to tabIndex=0 instead of -1, so check for cell clicks directly.\n      if (e.target != document.activeElement || $(e.target).hasClass('slick-cell')){\n        setFocus();\n      }\n    }\n\n    var cell = getCellFromEvent(e);\n    if (!cell || (currentEditor !== null && activeRow == cell.row && activeCell == cell.cell)){\n      return;\n    }\n\n    trigger(self.onClick, {row: cell.row, cell: cell.cell, grid: self}, e);\n    if (e.isImmediatePropagationStopped()){\n      return;\n    }\n\n    if ((activeCell != cell.cell || activeRow != cell.row) && canCellBeActive(cell.row, cell.cell)){\n      if (!getEditorLock().isActive() || getEditorLock().commitCurrentEdit()){\n        scrollRowIntoView(cell.row, false);\n        setActiveCellInternal(getCellNode(cell.row, cell.cell));\n      }\n    }\n  }\n\n  function handleContextMenu(e){\n    var $cell = $(e.target).closest('.slick-cell', $canvas);\n    if ($cell.length === 0){\n      return;\n    }\n\n    // are we editing this cell?\n    if (activeCellNode === $cell[0] && currentEditor !== null){\n      return;\n    }\n\n    trigger(self.onContextMenu, {grid: self}, e);\n  }\n\n  function handleDblClick(e){\n    var cell = getCellFromEvent(e);\n    if (!cell || (currentEditor !== null && activeRow == cell.row && activeCell == cell.cell)){\n      return;\n    }\n\n    trigger(self.onDblClick, {row: cell.row, cell: cell.cell, grid: self}, e);\n    if (e.isImmediatePropagationStopped()){\n      return;\n    }\n\n    if (options.editable){\n      gotoCell(cell.row, cell.cell, true);\n    }\n  }\n\n  function handleHeaderMouseEnter(e){\n    trigger(self.onHeaderMouseEnter, {\n      'column': $(this).data('column'),\n      'grid': self\n    }, e);\n  }\n\n  function handleHeaderMouseLeave(e){\n    trigger(self.onHeaderMouseLeave, {\n      'column': $(this).data('column'),\n      'grid': self\n    }, e);\n  }\n\n  function handleHeaderContextMenu(e){\n    var $header = $(e.target).closest('.slick-header-column', '.slick-header-columns');\n    var column = $header && $header.data('column');\n    trigger(self.onHeaderContextMenu, {column: column, grid: self}, e);\n  }\n\n  function handleHeaderClick(e){\n    var $header = $(e.target).closest('.slick-header-column', '.slick-header-columns');\n    var column = $header && $header.data('column');\n    if (column){\n      trigger(self.onHeaderClick, {column: column, grid: self}, e);\n    }\n  }\n\n  function handleMouseEnter(e){\n    trigger(self.onMouseEnter, {grid: self}, e);\n  }\n\n  function handleMouseLeave(e){\n    trigger(self.onMouseLeave, {grid: self}, e);\n  }\n\n  function cellExists(row, cell){\n    return !(row < 0 || row >= getDataLength() || cell < 0 || cell >= columns.length);\n  }\n\n  function getCellFromPoint(x, y){\n    var row = getRowFromPosition(y);\n    var cell = 0;\n\n    var w = 0;\n    for (var i = 0; i < columns.length && w < x; i++){\n      w += columns[i].width;\n      cell++;\n    }\n\n    if (cell < 0){\n      cell = 0;\n    }\n\n    return {row: row, cell: cell - 1};\n  }\n\n  function getCellFromNode(cellNode){\n    // read column number from .l<columnNumber> CSS class\n    var cls = /l\\d+/.exec(cellNode.className);\n    if (!cls){\n      throw 'getCellFromNode: cannot get cell - ' + cellNode.className;\n    }\n    return parseInt(cls[0].substr(1, cls[0].length - 1), 10);\n  }\n\n  function getRowFromNode(rowNode){\n    for (var row in rowsCache){\n      if (rowsCache[row].rowNode === rowNode){\n        return row | 0;\n      }\n    }\n\n    return null;\n  }\n\n  function getCellFromEvent(e){\n    var $cell = $(e.target).closest('.slick-cell', $canvas);\n    if (!$cell.length){\n      return null;\n    }\n\n    var row = getRowFromNode($cell[0].parentNode);\n    var cell = getCellFromNode($cell[0]);\n\n    if (row == null || cell == null){\n      return null;\n    } else {\n      return {\n        'row': row,\n        'cell': cell\n      };\n    }\n  }\n\n  function getCellNodeBox(row, cell){\n    if (!cellExists(row, cell)){\n      return null;\n    }\n\n    var y1 = getRowTop(row);\n    var y2 = y1 + options.rowHeight - 1;\n    var x1 = 0;\n    for (var i = 0; i < cell; i++){\n      x1 += columns[i].width;\n    }\n    var x2 = x1 + columns[cell].width;\n\n    return {\n      top: y1,\n      left: x1,\n      bottom: y2,\n      right: x2\n    };\n  }\n\n  // ////////////////////////////////////////////////////////////////////////////////////////////\n  // Cell switching\n\n  function resetActiveCell(){\n    setActiveCellInternal(null, false);\n  }\n\n  function setFocus(){\n    if (tabbingDirection == -1){\n      $focusSink[0].focus();\n    } else {\n      $focusSink2[0].focus();\n    }\n  }\n\n  function scrollCellIntoView(row, cell, doPaging){\n    scrollRowIntoView(row, doPaging);\n\n    var colspan = getColspan(row, cell);\n    var left = columnPosLeft[cell],\n      right = columnPosRight[cell + (colspan > 1 ? colspan - 1 : 0)],\n      scrollRight = scrollLeft + viewportW;\n\n    if (left < scrollLeft){\n      $viewport.scrollLeft(left);\n      handleScroll();\n      render();\n    } else if (right > scrollRight){\n      $viewport.scrollLeft(Math.min(left, right - $viewport[0].clientWidth));\n      handleScroll();\n      render();\n    }\n  }\n\n  function setActiveCellInternal(newCell, opt_editMode){\n    if (activeCellNode !== null){\n      makeActiveCellNormal();\n      $(activeCellNode).removeClass('active');\n      if (rowsCache[activeRow]){\n        $(rowsCache[activeRow].rowNode).removeClass('active');\n      }\n    }\n\n    var activeCellChanged = (activeCellNode !== newCell);\n    activeCellNode = newCell;\n\n    if (activeCellNode != null){\n      activeRow = getRowFromNode(activeCellNode.parentNode);\n      activeCell = activePosX = getCellFromNode(activeCellNode);\n\n      if (opt_editMode == null){\n        opt_editMode = (activeRow == getDataLength()) || options.autoEdit;\n      }\n\n      $(activeCellNode).addClass('active');\n      $(rowsCache[activeRow].rowNode).addClass('active');\n\n      if (options.editable && opt_editMode && isCellPotentiallyEditable(activeRow, activeCell)){\n        clearTimeout(h_editorLoader);\n\n        if (options.asyncEditorLoading){\n          h_editorLoader = setTimeout(function(){\n            makeActiveCellEditable();\n          }, options.asyncEditorLoadDelay);\n        } else {\n          makeActiveCellEditable();\n        }\n      }\n    } else {\n      activeRow = activeCell = null;\n    }\n\n    if (activeCellChanged){\n      trigger(self.onActiveCellChanged, getActiveCell());\n    }\n  }\n\n  function clearTextSelection(){\n    if (document.selection && document.selection.empty){\n      try {\n        // IE fails here if selected element is not in dom\n        document.selection.empty();\n      } catch (e){\n      }\n    } else if (window.getSelection){\n      var sel = window.getSelection();\n      if (sel && sel.removeAllRanges){\n        sel.removeAllRanges();\n      }\n    }\n  }\n\n  function isCellPotentiallyEditable(row, cell){\n    var dataLength = getDataLength();\n    // is the data for this row loaded?\n    if (row < dataLength && !getDataItem(row)){\n      return false;\n    }\n\n    // are we in the Add New row?  can we create new from this cell?\n    if (columns[cell].cannotTriggerInsert && row >= dataLength){\n      return false;\n    }\n\n    // does this cell have an editor?\n    if (!getEditor(row, cell)){\n      return false;\n    }\n\n    return true;\n  }\n\n  function makeActiveCellNormal(){\n    if (!currentEditor){\n      return;\n    }\n    trigger(self.onBeforeCellEditorDestroy, {editor: currentEditor, grid: self});\n    currentEditor.destroy();\n    currentEditor = null;\n\n    if (activeCellNode){\n      var d = getDataItem(activeRow);\n      $(activeCellNode).removeClass('editable invalid');\n      if (d){\n        var column = columns[activeCell];\n        var formatter = getFormatter(activeRow, column);\n        activeCellNode.innerHTML = formatter(activeRow, activeCell, getDataItemValueForColumn(d, column), column, d, self);\n        invalidatePostProcessingResults(activeRow);\n      }\n    }\n\n    // if there previously was text selected on a page (such as selected text in the edit cell just removed),\n    // IE can't set focus to anything else correctly\n    if (navigator.userAgent.toLowerCase().match(/msie/)){\n      clearTextSelection();\n    }\n\n    getEditorLock().deactivate(editController);\n  }\n\n  function makeActiveCellEditable(editor){\n    if (!activeCellNode){\n      return;\n    }\n    if (!options.editable){\n      throw 'Grid : makeActiveCellEditable : should never get called when options.editable is false';\n    }\n\n    // cancel pending async call if there is one\n    clearTimeout(h_editorLoader);\n\n    if (!isCellPotentiallyEditable(activeRow, activeCell)){\n      return;\n    }\n\n    var columnDef = columns[activeCell];\n    var item = getDataItem(activeRow);\n\n    if (trigger(self.onBeforeEditCell, {\n      row: activeRow,\n      cell: activeCell,\n      item: item,\n      column: columnDef,\n      grid: self\n    }) === false){\n      setFocus();\n      return;\n    }\n\n    getEditorLock().activate(editController);\n    $(activeCellNode).addClass('editable');\n\n    var useEditor = editor || getEditor(activeRow, activeCell);\n\n    // don't clear the cell if a custom editor is passed through\n    if (!editor && !useEditor.suppressClearOnEdit){\n      activeCellNode.innerHTML = '';\n    }\n\n    currentEditor = new useEditor({\n      grid: self,\n      gridPosition: absBox($container[0]),\n      position: absBox(activeCellNode),\n      container: activeCellNode,\n      column: columnDef,\n      item: item || {},\n      commitChanges: commitEditAndSetFocus,\n      cancelChanges: cancelEditAndSetFocus\n    });\n\n    if (item){\n      currentEditor.loadValue(item);\n    }\n\n    serializedEditorValue = currentEditor.serializeValue();\n\n    if (currentEditor.position){\n      handleActiveCellPositionChange();\n    }\n  }\n\n  function commitEditAndSetFocus(){\n    // if the commit fails, it would do so due to a validation error\n    // if so, do not steal the focus from the editor\n    if (getEditorLock().commitCurrentEdit()){\n      setFocus();\n      if (options.autoEdit){\n        navigateDown();\n      }\n    }\n  }\n\n  function cancelEditAndSetFocus(){\n    if (getEditorLock().cancelCurrentEdit()){\n      setFocus();\n    }\n  }\n\n  function absBox(elem){\n    var box = {\n      top: elem.offsetTop,\n      left: elem.offsetLeft,\n      bottom: 0,\n      right: 0,\n      width: $(elem).outerWidth(),\n      height: $(elem).outerHeight(),\n      visible: true\n    };\n    box.bottom = box.top + box.height;\n    box.right = box.left + box.width;\n\n    // walk up the tree\n    var offsetParent = elem.offsetParent;\n    while ((elem = elem.parentNode) != document.body){\n      if (elem == null) break;\n\n      if (box.visible && elem.scrollHeight != elem.offsetHeight && $(elem).css('overflowY') != 'visible'){\n        box.visible = box.bottom > elem.scrollTop && box.top < elem.scrollTop + elem.clientHeight;\n      }\n\n      if (box.visible && elem.scrollWidth != elem.offsetWidth && $(elem).css('overflowX') != 'visible'){\n        box.visible = box.right > elem.scrollLeft && box.left < elem.scrollLeft + elem.clientWidth;\n      }\n\n      box.left -= elem.scrollLeft;\n      box.top -= elem.scrollTop;\n\n      if (elem === offsetParent){\n        box.left += elem.offsetLeft;\n        box.top += elem.offsetTop;\n        offsetParent = elem.offsetParent;\n      }\n\n      box.bottom = box.top + box.height;\n      box.right = box.left + box.width;\n    }\n\n    return box;\n  }\n\n  function getActiveCellPosition(){\n    return absBox(activeCellNode);\n  }\n\n  function getGridPosition(){\n    return absBox($container[0]);\n  }\n\n  function handleActiveCellPositionChange(){\n    if (!activeCellNode){\n      return;\n    }\n\n    trigger(self.onActiveCellPositionChanged, {grid: self});\n\n    if (currentEditor){\n      var cellBox = getActiveCellPosition();\n      if (currentEditor.show && currentEditor.hide){\n        if (!cellBox.visible){\n          currentEditor.hide();\n        } else {\n          currentEditor.show();\n        }\n      }\n\n      if (currentEditor.position){\n        currentEditor.position(cellBox);\n      }\n    }\n  }\n\n  function getCellEditor(){\n    return currentEditor;\n  }\n\n  function getActiveCell(){\n    if (!activeCellNode){\n      return null;\n    } else {\n      return {row: activeRow, cell: activeCell, grid: self};\n    }\n  }\n\n  function getActiveCellNode(){\n    return activeCellNode;\n  }\n\n  function scrollRowIntoView(row, doPaging){\n    var rowAtTop = row * options.rowHeight;\n    var rowAtBottom = (row + 1) * options.rowHeight - viewportH + (viewportHasHScroll ? scrollbarDimensions.height : 0);\n\n    // need to page down?\n    if ((row + 1) * options.rowHeight > scrollTop + viewportH + offset){\n      scrollTo(doPaging ? rowAtTop : rowAtBottom);\n      render();\n    }\n    // or page up?\n    else if (row * options.rowHeight < scrollTop + offset){\n      scrollTo(doPaging ? rowAtBottom : rowAtTop);\n      render();\n    }\n  }\n\n  function scrollRowToTop(row){\n    scrollTo(row * options.rowHeight);\n    render();\n  }\n\n  function scrollPage(dir){\n    var deltaRows = dir * numVisibleRows;\n    scrollTo((getRowFromPosition(scrollTop) + deltaRows) * options.rowHeight);\n    render();\n\n    if (options.enableCellNavigation && activeRow != null){\n      var row = activeRow + deltaRows;\n      var dataLengthIncludingAddNew = getDataLengthIncludingAddNew();\n      if (row >= dataLengthIncludingAddNew){\n        row = dataLengthIncludingAddNew - 1;\n      }\n      if (row < 0){\n        row = 0;\n      }\n\n      var cell = 0, prevCell = null;\n      var prevActivePosX = activePosX;\n      while (cell <= activePosX){\n        if (canCellBeActive(row, cell)){\n          prevCell = cell;\n        }\n        cell += getColspan(row, cell);\n      }\n\n      if (prevCell !== null){\n        setActiveCellInternal(getCellNode(row, prevCell));\n        activePosX = prevActivePosX;\n      } else {\n        resetActiveCell();\n      }\n    }\n  }\n\n  function navigatePageDown(){\n    scrollPage(1);\n  }\n\n  function navigatePageUp(){\n    scrollPage(-1);\n  }\n\n  function getColspan(row, cell){\n    var metadata = data.getItemMetadata && data.getItemMetadata(row);\n    if (!metadata || !metadata.columns){\n      return 1;\n    }\n\n    var columnData = metadata.columns[columns[cell].id] || metadata.columns[cell];\n    var colspan = (columnData && columnData.colspan);\n    if (colspan === '*'){\n      colspan = columns.length - cell;\n    } else {\n      colspan = colspan || 1;\n    }\n\n    return colspan;\n  }\n\n  function findFirstFocusableCell(row){\n    var cell = 0;\n    while (cell < columns.length){\n      if (canCellBeActive(row, cell)){\n        return cell;\n      }\n      cell += getColspan(row, cell);\n    }\n    return null;\n  }\n\n  function findLastFocusableCell(row){\n    var cell = 0;\n    var lastFocusableCell = null;\n    while (cell < columns.length){\n      if (canCellBeActive(row, cell)){\n        lastFocusableCell = cell;\n      }\n      cell += getColspan(row, cell);\n    }\n    return lastFocusableCell;\n  }\n\n  function gotoRight(row, cell, posX){\n    if (cell >= columns.length){\n      return null;\n    }\n\n    do {\n      cell += getColspan(row, cell);\n    }\n    while (cell < columns.length && !canCellBeActive(row, cell));\n\n    if (cell < columns.length){\n      return {\n        'row': row,\n        'cell': cell,\n        'posX': cell\n      };\n    }\n    return null;\n  }\n\n  function gotoLeft(row, cell, posX){\n    if (cell <= 0){\n      return null;\n    }\n\n    var firstFocusableCell = findFirstFocusableCell(row);\n    if (firstFocusableCell === null || firstFocusableCell >= cell){\n      return null;\n    }\n\n    var prev = {\n      'row': row,\n      'cell': firstFocusableCell,\n      'posX': firstFocusableCell\n    };\n    var pos;\n    while (true){\n      pos = gotoRight(prev.row, prev.cell, prev.posX);\n      if (!pos){\n        return null;\n      }\n      if (pos.cell >= cell){\n        return prev;\n      }\n      prev = pos;\n    }\n  }\n\n  function gotoDown(row, cell, posX){\n    var prevCell;\n    var dataLengthIncludingAddNew = getDataLengthIncludingAddNew();\n    while (true){\n      if (++row >= dataLengthIncludingAddNew){\n        return null;\n      }\n\n      prevCell = cell = 0;\n      while (cell <= posX){\n        prevCell = cell;\n        cell += getColspan(row, cell);\n      }\n\n      if (canCellBeActive(row, prevCell)){\n        return {\n          'row': row,\n          'cell': prevCell,\n          'posX': posX\n        };\n      }\n    }\n  }\n\n  function gotoUp(row, cell, posX){\n    var prevCell;\n    while (true){\n      if (--row < 0){\n        return null;\n      }\n\n      prevCell = cell = 0;\n      while (cell <= posX){\n        prevCell = cell;\n        cell += getColspan(row, cell);\n      }\n\n      if (canCellBeActive(row, prevCell)){\n        return {\n          'row': row,\n          'cell': prevCell,\n          'posX': posX\n        };\n      }\n    }\n  }\n\n  function gotoNext(row, cell, posX){\n    if (row == null && cell == null){\n      row = cell = posX = 0;\n      if (canCellBeActive(row, cell)){\n        return {\n          'row': row,\n          'cell': cell,\n          'posX': cell\n        };\n      }\n    }\n\n    var pos = gotoRight(row, cell, posX);\n    if (pos){\n      return pos;\n    }\n\n    var firstFocusableCell = null;\n    var dataLengthIncludingAddNew = getDataLengthIncludingAddNew();\n    while (++row < dataLengthIncludingAddNew){\n      firstFocusableCell = findFirstFocusableCell(row);\n      if (firstFocusableCell !== null){\n        return {\n          'row': row,\n          'cell': firstFocusableCell,\n          'posX': firstFocusableCell\n        };\n      }\n    }\n    return null;\n  }\n\n  function gotoPrev(row, cell, posX){\n    if (row == null && cell == null){\n      row = getDataLengthIncludingAddNew() - 1;\n      cell = posX = columns.length - 1;\n      if (canCellBeActive(row, cell)){\n        return {\n          'row': row,\n          'cell': cell,\n          'posX': cell\n        };\n      }\n    }\n\n    var pos;\n    var lastSelectableCell;\n    while (!pos){\n      pos = gotoLeft(row, cell, posX);\n      if (pos){\n        break;\n      }\n      if (--row < 0){\n        return null;\n      }\n\n      cell = 0;\n      lastSelectableCell = findLastFocusableCell(row);\n      if (lastSelectableCell !== null){\n        pos = {\n          'row': row,\n          'cell': lastSelectableCell,\n          'posX': lastSelectableCell\n        };\n      }\n    }\n    return pos;\n  }\n\n  function navigateRight(){\n    return navigate('right');\n  }\n\n  function navigateLeft(){\n    return navigate('left');\n  }\n\n  function navigateDown(){\n    return navigate('down');\n  }\n\n  function navigateUp(){\n    return navigate('up');\n  }\n\n  function navigateNext(){\n    return navigate('next');\n  }\n\n  function navigatePrev(){\n    return navigate('prev');\n  }\n\n  /**\n   * @param {string} dir Navigation direction.\n   * @return {boolean} Whether navigation resulted in a change of active cell.\n   */\n  function navigate(dir){\n    if (!options.enableCellNavigation){\n      return false;\n    }\n\n    if (!activeCellNode && dir != 'prev' && dir != 'next'){\n      return false;\n    }\n\n    if (!getEditorLock().commitCurrentEdit()){\n      return true;\n    }\n    setFocus();\n\n    var tabbingDirections = {\n      'up': -1,\n      'down': 1,\n      'left': -1,\n      'right': 1,\n      'prev': -1,\n      'next': 1\n    };\n    tabbingDirection = tabbingDirections[dir];\n\n    var stepFunctions = {\n      'up': gotoUp,\n      'down': gotoDown,\n      'left': gotoLeft,\n      'right': gotoRight,\n      'prev': gotoPrev,\n      'next': gotoNext\n    };\n    var stepFn = stepFunctions[dir];\n    var pos = stepFn(activeRow, activeCell, activePosX);\n    if (pos){\n      var isAddNewRow = (pos.row == getDataLength());\n      scrollCellIntoView(pos.row, pos.cell, !isAddNewRow);\n      setActiveCellInternal(getCellNode(pos.row, pos.cell));\n      activePosX = pos.posX;\n      return true;\n    } else {\n      setActiveCellInternal(getCellNode(activeRow, activeCell));\n      return false;\n    }\n  }\n\n  function getCellNode(row, cell){\n    if (rowsCache[row]){\n      ensureCellNodesInRowsCache(row);\n      return rowsCache[row].cellNodesByColumnIdx[cell];\n    }\n    return null;\n  }\n\n  function setActiveCell(row, cell){\n    if (!initialized){\n      return;\n    }\n    if (row > getDataLength() || row < 0 || cell >= columns.length || cell < 0){\n      return;\n    }\n\n    if (!options.enableCellNavigation){\n      return;\n    }\n\n    scrollCellIntoView(row, cell, false);\n    setActiveCellInternal(getCellNode(row, cell), false);\n  }\n\n  function canCellBeActive(row, cell){\n    if (!options.enableCellNavigation || row >= getDataLengthIncludingAddNew() ||\n      row < 0 || cell >= columns.length || cell < 0){\n      return false;\n    }\n\n    var rowMetadata = data.getItemMetadata && data.getItemMetadata(row);\n    if (rowMetadata && typeof rowMetadata.focusable === 'boolean'){\n      return rowMetadata.focusable;\n    }\n\n    var columnMetadata = rowMetadata && rowMetadata.columns;\n    if (columnMetadata && columnMetadata[columns[cell].id] && typeof columnMetadata[columns[cell].id].focusable === 'boolean'){\n      return columnMetadata[columns[cell].id].focusable;\n    }\n    if (columnMetadata && columnMetadata[cell] && typeof columnMetadata[cell].focusable === 'boolean'){\n      return columnMetadata[cell].focusable;\n    }\n\n    return columns[cell].focusable;\n  }\n\n  function canCellBeSelected(row, cell){\n    if (row >= getDataLength() || row < 0 || cell >= columns.length || cell < 0){\n      return false;\n    }\n\n    var rowMetadata = data.getItemMetadata && data.getItemMetadata(row);\n    if (rowMetadata && typeof rowMetadata.selectable === 'boolean'){\n      return rowMetadata.selectable;\n    }\n\n    var columnMetadata = rowMetadata && rowMetadata.columns && (rowMetadata.columns[columns[cell].id] || rowMetadata.columns[cell]);\n    if (columnMetadata && typeof columnMetadata.selectable === 'boolean'){\n      return columnMetadata.selectable;\n    }\n\n    return columns[cell].selectable;\n  }\n\n  function gotoCell(row, cell, forceEdit){\n    if (!initialized){\n      return;\n    }\n    if (!canCellBeActive(row, cell)){\n      return;\n    }\n\n    if (!getEditorLock().commitCurrentEdit()){\n      return;\n    }\n\n    scrollCellIntoView(row, cell, false);\n\n    var newCell = getCellNode(row, cell);\n\n    // if selecting the 'add new' row, start editing right away\n    setActiveCellInternal(newCell, forceEdit || (row === getDataLength()) || options.autoEdit);\n\n    // if no editor was created, set the focus back on the grid\n    if (!currentEditor){\n      setFocus();\n    }\n  }\n\n  // ////////////////////////////////////////////////////////////////////////////////////////////\n  // IEditor implementation for the editor lock\n\n  function commitCurrentEdit(){\n    var item = getDataItem(activeRow);\n    var column = columns[activeCell];\n\n    if (currentEditor){\n      if (currentEditor.isValueChanged()){\n        var validationResults = currentEditor.validate();\n\n        if (validationResults.valid){\n          if (activeRow < getDataLength()){\n            var editCommand = {\n              row: activeRow,\n              cell: activeCell,\n              editor: currentEditor,\n              serializedValue: currentEditor.serializeValue(),\n              prevSerializedValue: serializedEditorValue,\n              execute: function(){\n                this.editor.applyValue(item, this.serializedValue);\n                updateRow(this.row);\n                trigger(self.onCellChange, {\n                  row: activeRow,\n                  cell: activeCell,\n                  item: item,\n                  grid: self\n                });\n              },\n              undo: function(){\n                this.editor.applyValue(item, this.prevSerializedValue);\n                updateRow(this.row);\n                trigger(self.onCellChange, {\n                  row: activeRow,\n                  cell: activeCell,\n                  item: item,\n                  grid: self\n                });\n              }\n            };\n\n            if (options.editCommandHandler){\n              makeActiveCellNormal();\n              options.editCommandHandler(item, column, editCommand);\n            } else {\n              editCommand.execute();\n              makeActiveCellNormal();\n            }\n          } else {\n            var newItem = {};\n            currentEditor.applyValue(newItem, currentEditor.serializeValue());\n            makeActiveCellNormal();\n            trigger(self.onAddNewRow, {item: newItem, column: column, grid: self});\n          }\n\n          // check whether the lock has been re-acquired by event handlers\n          return !getEditorLock().isActive();\n        } else {\n          // Re-add the CSS class to trigger transitions, if any.\n          $(activeCellNode).removeClass('invalid');\n          $(activeCellNode).width();  // force layout\n          $(activeCellNode).addClass('invalid');\n\n          trigger(self.onValidationError, {\n            editor: currentEditor,\n            cellNode: activeCellNode,\n            validationResults: validationResults,\n            row: activeRow,\n            cell: activeCell,\n            column: column,\n            grid: self\n          });\n\n          currentEditor.focus();\n          return false;\n        }\n      }\n\n      makeActiveCellNormal();\n    }\n    return true;\n  }\n\n  function cancelCurrentEdit(){\n    makeActiveCellNormal();\n    return true;\n  }\n\n  function rowsToRanges(rows){\n    var ranges = [];\n    var lastCell = columns.length - 1;\n    for (var i = 0; i < rows.length; i++){\n      ranges.push(new Slick.Range(rows[i], 0, rows[i], lastCell));\n    }\n    return ranges;\n  }\n\n  function getSelectedRows(){\n    if (!selectionModel){\n      throw 'Selection model is not set';\n    }\n    return selectedRows;\n  }\n\n  function setSelectedRows(rows){\n    if (!selectionModel){\n      throw 'Selection model is not set';\n    }\n    selectionModel.setSelectedRanges(rowsToRanges(rows));\n  }\n\n  // ////////////////////////////////////////////////////////////////////////////////////////////\n  // Debug\n\n  this.debug = function(){\n    var s = '';\n\n    s += ('\\n' + 'counter_rows_rendered:  ' + counter_rows_rendered);\n    s += ('\\n' + 'counter_rows_removed:  ' + counter_rows_removed);\n    s += ('\\n' + 'renderedRows:  ' + renderedRows);\n    s += ('\\n' + 'numVisibleRows:  ' + numVisibleRows);\n    s += ('\\n' + 'maxSupportedCssHeight:  ' + maxSupportedCssHeight);\n    s += ('\\n' + 'n(umber of pages):  ' + n);\n    s += ('\\n' + '(current) page:  ' + page);\n    s += ('\\n' + 'page height (ph):  ' + ph);\n    s += ('\\n' + 'vScrollDir:  ' + vScrollDir);\n\n    alert(s);\n  };\n\n  // a debug helper to be able to access private members\n  this.eval = function(expr){\n    return eval(expr);\n  };\n\n  // ////////////////////////////////////////////////////////////////////////////////////////////\n  // Public API\n\n  $.extend(this, {\n    'slickGridVersion': '2.2.4',\n\n    // Events\n    'onScroll': new Slick.Event(),\n    'onSort': new Slick.Event(),\n    'onHeaderMouseEnter': new Slick.Event(),\n    'onHeaderMouseLeave': new Slick.Event(),\n    'onHeaderContextMenu': new Slick.Event(),\n    'onHeaderClick': new Slick.Event(),\n    'onHeaderCellRendered': new Slick.Event(),\n    'onBeforeHeaderCellDestroy': new Slick.Event(),\n    'onHeaderRowCellRendered': new Slick.Event(),\n    'onFooterRowCellRendered': new Slick.Event(),\n    'onBeforeHeaderRowCellDestroy': new Slick.Event(),\n    'onBeforeFooterRowCellDestroy': new Slick.Event(),\n    'onMouseEnter': new Slick.Event(),\n    'onMouseLeave': new Slick.Event(),\n    'onClick': new Slick.Event(),\n    'onDblClick': new Slick.Event(),\n    'onContextMenu': new Slick.Event(),\n    'onKeyDown': new Slick.Event(),\n    'onAddNewRow': new Slick.Event(),\n    'onValidationError': new Slick.Event(),\n    'onViewportChanged': new Slick.Event(),\n    'onColumnsReordered': new Slick.Event(),\n    'onColumnsResized': new Slick.Event(),\n    'onCellChange': new Slick.Event(),\n    'onBeforeEditCell': new Slick.Event(),\n    'onBeforeCellEditorDestroy': new Slick.Event(),\n    'onBeforeDestroy': new Slick.Event(),\n    'onActiveCellChanged': new Slick.Event(),\n    'onActiveCellPositionChanged': new Slick.Event(),\n    'onDragInit': new Slick.Event(),\n    'onDragStart': new Slick.Event(),\n    'onDrag': new Slick.Event(),\n    'onDragEnd': new Slick.Event(),\n    'onSelectedRowsChanged': new Slick.Event(),\n    'onCellCssStylesChanged': new Slick.Event(),\n\n    // Methods\n    'registerPlugin': registerPlugin,\n    'unregisterPlugin': unregisterPlugin,\n    'getColumns': getColumns,\n    'setColumns': setColumns,\n    'getColumnIndex': getColumnIndex,\n    'updateColumnHeader': updateColumnHeader,\n    'setSortColumn': setSortColumn,\n    'setSortColumns': setSortColumns,\n    'getSortColumns': getSortColumns,\n    'autosizeColumns': autosizeColumns,\n    'getOptions': getOptions,\n    'setOptions': setOptions,\n    'getData': getData,\n    'getDataLength': getDataLength,\n    'getDataItem': getDataItem,\n    'setData': setData,\n    'getSelectionModel': getSelectionModel,\n    'setSelectionModel': setSelectionModel,\n    'getSelectedRows': getSelectedRows,\n    'setSelectedRows': setSelectedRows,\n    'getContainerNode': getContainerNode,\n\n    'render': render,\n    'invalidate': invalidate,\n    'invalidateRow': invalidateRow,\n    'invalidateRows': invalidateRows,\n    'invalidateAllRows': invalidateAllRows,\n    'updateCell': updateCell,\n    'updateRow': updateRow,\n    'getViewport': getVisibleRange,\n    'getRenderedRange': getRenderedRange,\n    'resizeCanvas': resizeCanvas,\n    'updateRowCount': updateRowCount,\n    'scrollRowIntoView': scrollRowIntoView,\n    'scrollRowToTop': scrollRowToTop,\n    'scrollCellIntoView': scrollCellIntoView,\n    'getCanvasNode': getCanvasNode,\n    'focus': setFocus,\n\n    'getCellFromPoint': getCellFromPoint,\n    'getCellFromEvent': getCellFromEvent,\n    'getActiveCell': getActiveCell,\n    'setActiveCell': setActiveCell,\n    'getActiveCellNode': getActiveCellNode,\n    'getActiveCellPosition': getActiveCellPosition,\n    'resetActiveCell': resetActiveCell,\n    'editActiveCell': makeActiveCellEditable,\n    'getCellEditor': getCellEditor,\n    'getCellNode': getCellNode,\n    'getCellNodeBox': getCellNodeBox,\n    'canCellBeSelected': canCellBeSelected,\n    'canCellBeActive': canCellBeActive,\n    'navigatePrev': navigatePrev,\n    'navigateNext': navigateNext,\n    'navigateUp': navigateUp,\n    'navigateDown': navigateDown,\n    'navigateLeft': navigateLeft,\n    'navigateRight': navigateRight,\n    'navigatePageUp': navigatePageUp,\n    'navigatePageDown': navigatePageDown,\n    'gotoCell': gotoCell,\n    'getTopPanel': getTopPanel,\n    'setTopPanelVisibility': setTopPanelVisibility,\n    'setHeaderRowVisibility': setHeaderRowVisibility,\n    'getHeaderRow': getHeaderRow,\n    'getHeaderRowColumn': getHeaderRowColumn,\n    'setFooterRowVisibility': setFooterRowVisibility,\n    'getFooterRow': getFooterRow,\n    'getFooterRowColumn': getFooterRowColumn,\n    'getGridPosition': getGridPosition,\n    'flashCell': flashCell,\n    'addCellCssStyles': addCellCssStyles,\n    'setCellCssStyles': setCellCssStyles,\n    'removeCellCssStyles': removeCellCssStyles,\n    'getCellCssStyles': getCellCssStyles,\n\n    'init': finishInitialization,\n    'destroy': destroy,\n\n    // IEditor implementation\n    'getEditorLock': getEditorLock,\n    'getEditController': getEditController\n  });\n\n  init();\n}\n\n\n\n// WEBPACK FOOTER //\n// ../src/slick.grid.js","import $      from 'jquery';\nimport Slick  from './slick.core';\n\nexport default GroupItemMetadataProvider;\n\n/***\n * Provides item metadata for group (Slick.Group) and totals (Slick.Totals) rows produced by the DataView.\n * This metadata overrides the default behavior and formatting of those rows so that they appear and function\n * correctly when processed by the grid.\n *\n * This class also acts as a grid plugin providing event handlers to expand & collapse groups.\n * If \"grid.registerPlugin(...)\" is not called, expand & collapse will not work.\n *\n * @class GroupItemMetadataProvider\n * @module Data\n * @namespace Slick.Data\n * @constructor\n * @param options\n */\nfunction GroupItemMetadataProvider(options){\n  let _grid;\n  let _defaults = {\n    groupCssClass: \"slick-group\",\n    groupTitleCssClass: \"slick-group-title\",\n    totalsCssClass: \"slick-group-totals\",\n    groupFocusable: true,\n    totalsFocusable: false,\n    toggleCssClass: \"slick-group-toggle\",\n    toggleExpandedCssClass: \"expanded\",\n    toggleCollapsedCssClass: \"collapsed\",\n    enableExpandCollapse: true,\n    groupFormatter: defaultGroupCellFormatter,\n    totalsFormatter: defaultTotalsCellFormatter\n  };\n\n  options = $.extend(true, {}, _defaults, options);\n\n  function defaultGroupCellFormatter(row, cell, value, columnDef, item){\n    if (!options.enableExpandCollapse){\n      return item.title;\n    }\n\n    let indentation = item.level * 15 + \"px\";\n\n    return \"<span class='\" + options.toggleCssClass + \" \" +\n      (item.collapsed ? options.toggleCollapsedCssClass : options.toggleExpandedCssClass) +\n      \"' style='margin-left:\" + indentation + \"'>\" +\n      \"</span>\" +\n      \"<span class='\" + options.groupTitleCssClass + \"' level='\" + item.level + \"'>\" +\n      item.title +\n      \"</span>\";\n  }\n\n  function defaultTotalsCellFormatter(row, cell, value, columnDef, item){\n    return (columnDef.groupTotalsFormatter && columnDef.groupTotalsFormatter(item, columnDef)) || \"\";\n  }\n\n  function init(grid){\n    _grid = grid;\n    _grid.onClick.subscribe(handleGridClick);\n    _grid.onKeyDown.subscribe(handleGridKeyDown);\n  }\n\n  function destroy(){\n    if (_grid){\n      _grid.onClick.unsubscribe(handleGridClick);\n      _grid.onKeyDown.unsubscribe(handleGridKeyDown);\n    }\n  }\n\n  function handleGridClick(e, args){\n    let item = this.getDataItem(args.row);\n    if (item && item instanceof Slick.Group && $(e.target).hasClass(options.toggleCssClass)){\n      let range = _grid.getRenderedRange();\n      this.getData().setRefreshHints({\n        ignoreDiffsBefore: range.top,\n        ignoreDiffsAfter: range.bottom + 1\n      });\n\n      if (item.collapsed){\n        this.getData().expandGroup(item.groupingKey);\n      } else {\n        this.getData().collapseGroup(item.groupingKey);\n      }\n\n      e.stopImmediatePropagation();\n      e.preventDefault();\n    }\n  }\n\n  // TODO:  add -/+ handling\n  function handleGridKeyDown(e){\n    if (options.enableExpandCollapse && (e.which == Slick.keyCode.SPACE)){\n      let activeCell = this.getActiveCell();\n      if (activeCell){\n        let item = this.getDataItem(activeCell.row);\n        if (item && item instanceof Slick.Group){\n          let range = _grid.getRenderedRange();\n          this.getData().setRefreshHints({\n            ignoreDiffsBefore: range.top,\n            ignoreDiffsAfter: range.bottom + 1\n          });\n\n          if (item.collapsed){\n            this.getData().expandGroup(item.groupingKey);\n          } else {\n            this.getData().collapseGroup(item.groupingKey);\n          }\n\n          e.stopImmediatePropagation();\n          e.preventDefault();\n        }\n      }\n    }\n  }\n\n  function getGroupRowMetadata(item){\n    return {\n      selectable: false,\n      focusable: options.groupFocusable,\n      cssClasses: options.groupCssClass,\n      columns: {\n        0: {\n          colspan: \"*\",\n          formatter: options.groupFormatter,\n          editor: null\n        }\n      }\n    };\n  }\n\n  function getTotalsRowMetadata(item){\n    return {\n      selectable: false,\n      focusable: options.totalsFocusable,\n      cssClasses: options.totalsCssClass,\n      formatter: options.totalsFormatter,\n      editor: null\n    };\n  }\n\n  return {\n    init,\n    destroy,\n    getGroupRowMetadata,\n    getTotalsRowMetadata\n  };\n}\n\n\n\n// WEBPACK FOOTER //\n// ../src/slick.groupmetadataprovider.js","module.exports = require(\"flatpickr\");\n\n\n//////////////////\n// WEBPACK FOOTER\n// external \"flatpickr\"\n// module id = 32\n// module chunks = 0"],"sourceRoot":""}
\ No newline at end of file
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EventData,\n\t  EventHandler: EventHandler,\n\t  Range: Range,\n\t  NonDataRow: NonDataItem,\n\t  Group: Group,\n\t  GroupTotals: GroupTotals,\n\t  EditorLock: EditorLock,\n\t  /** *\r\n\t   * A global singleton editor lock.\r\n\t   * @class GlobalEditorLock\r\n\t   * @static\r\n\t   * @constructor\r\n\t   */\n\t  GlobalEditorLock: new EditorLock(),\n\t  TreeColumns: TreeColumns,\n\t\n\t  keyCode: {\n\t    BACKSPACE: 8,\n\t    DELETE: 46,\n\t    DOWN: 40,\n\t    END: 35,\n\t    ENTER: 13,\n\t    ESCAPE: 27,\n\t    HOME: 36,\n\t    INSERT: 45,\n\t    LEFT: 37,\n\t    PAGE_DOWN: 34,\n\t    PAGE_UP: 33,\n\t    RIGHT: 39,\n\t    TAB: 9,\n\t    UP: 38,\n\t    SPACE: 32\n\t  }\n\t};\n\t\n\texports.default = Slick;\n\t\n\t/***\r\n\t * An event object for passing data to event handlers and letting them control propagation.\r\n\t * <p>This is pretty much identical to how W3C and jQuery implement events.</p>\r\n\t * @class EventData\r\n\t * @constructor\r\n\t */\n\t\n\tfunction EventData() {\n\t  var isPropagationStopped = false;\n\t  var isImmediatePropagationStopped = false;\n\t\n\t  /***\r\n\t   * Stops event from propagating up the DOM tree.\r\n\t   * @method stopPropagation\r\n\t   */\n\t  this.stopPropagation = function () {\n\t    isPropagationStopped = true;\n\t  };\n\t\n\t  /***\r\n\t   * Returns whether stopPropagation was called on this event object.\r\n\t   * @method isPropagationStopped\r\n\t   * @return {Boolean}\r\n\t   */\n\t  this.isPropagationStopped = function () {\n\t    return isPropagationStopped;\n\t  };\n\t\n\t  /***\r\n\t   * Prevents the rest of the handlers from being executed.\r\n\t   * @method stopImmediatePropagation\r\n\t   */\n\t  this.stopImmediatePropagation = function () {\n\t    isImmediatePropagationStopped = true;\n\t  };\n\t\n\t  /***\r\n\t   * Returns whether stopImmediatePropagation was called on this event object.\\\r\n\t   * @method isImmediatePropagationStopped\r\n\t   * @return {Boolean}\r\n\t   */\n\t  this.isImmediatePropagationStopped = function () {\n\t    return isImmediatePropagationStopped;\n\t  };\n\t}\n\t\n\t/***\r\n\t * A simple publisher-subscriber implementation.\r\n\t * @class Event\r\n\t * @constructor\r\n\t */\n\tfunction Event() {\n\t  var handlers = [];\n\t\n\t  /***\r\n\t   * Adds an event handler to be called when the event is fired.\r\n\t   * <p>Event handler will receive two arguments - an <code>EventData</code> and the <code>data</code>\r\n\t   * object the event was fired with.<p>\r\n\t   * @method subscribe\r\n\t   * @param fn {Function} Event handler.\r\n\t   */\n\t  this.subscribe = function (fn) {\n\t    handlers.push(fn);\n\t  };\n\t\n\t  /***\r\n\t   * Removes an event handler added with <code>subscribe(fn)</code>.\r\n\t   * @method unsubscribe\r\n\t   * @param fn {Function} Event handler to be removed.\r\n\t   */\n\t  this.unsubscribe = function (fn) {\n\t    for (var i = handlers.length - 1; i >= 0; i--) {\n\t      if (handlers[i] === fn) {\n\t        handlers.splice(i, 1);\n\t      }\n\t    }\n\t  };\n\t\n\t  /***\r\n\t   * Fires an event notifying all subscribers.\r\n\t   * @method notify\r\n\t   * @param args {Object} Additional data object to be passed to all handlers.\r\n\t   * @param e {EventData}\r\n\t   *      Optional.\r\n\t   *      An <code>EventData</code> object to be passed to all handlers.\r\n\t   *      For DOM events, an existing W3C/jQuery event object can be passed in.\r\n\t   * @param scope {Object}\r\n\t   *      Optional.\r\n\t   *      The scope (\"this\") within which the handler will be executed.\r\n\t   *      If not specified, the scope will be set to the <code>Event</code> instance.\r\n\t   */\n\t  this.notify = function (args, e, scope) {\n\t    e = e || new EventData();\n\t    scope = scope || this;\n\t\n\t    var returnValue;\n\t    for (var i = 0; i < handlers.length && !(e.isPropagationStopped() || e.isImmediatePropagationStopped()); i++) {\n\t      returnValue = handlers[i].call(scope, e, args);\n\t 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Range\r\n\t * @constructor\r\n\t * @param fromRow {Integer} Starting row.\r\n\t * @param fromCell {Integer} Starting cell.\r\n\t * @param toRow {Integer} Optional. Ending row. Defaults to <code>fromRow</code>.\r\n\t * @param toCell {Integer} Optional. Ending cell. Defaults to <code>fromCell</code>.\r\n\t */\n\tfunction Range(fromRow, fromCell, toRow, toCell) {\n\t  if (toRow === undefined && toCell === undefined) {\n\t    toRow = fromRow;\n\t    toCell = fromCell;\n\t  }\n\t\n\t  /***\r\n\t   * @property fromRow\r\n\t   * @type {Integer}\r\n\t   */\n\t  this.fromRow = Math.min(fromRow, toRow);\n\t\n\t  /***\r\n\t   * @property fromCell\r\n\t   * @type {Integer}\r\n\t   */\n\t  this.fromCell = Math.min(fromCell, toCell);\n\t\n\t  /***\r\n\t   * @property toRow\r\n\t   * @type {Integer}\r\n\t   */\n\t  this.toRow = Math.max(fromRow, toRow);\n\t\n\t  /***\r\n\t   * @property toCell\r\n\t   * @type {Integer}\r\n\t   */\n\t  this.toCell = Math.max(fromCell, toCell);\n\t\n\t  /***\r\n\t   * Returns whether a range represents a single row.\r\n\t   * @method isSingleRow\r\n\t   * @return {Boolean}\r\n\t   */\n\t  this.isSingleRow = function () {\n\t    return this.fromRow == this.toRow;\n\t  };\n\t\n\t  /***\r\n\t   * Returns whether a range represents a single cell.\r\n\t   * @method isSingleCell\r\n\t   * @return {Boolean}\r\n\t   */\n\t  this.isSingleCell = function () {\n\t    return this.fromRow == this.toRow && this.fromCell == this.toCell;\n\t  };\n\t\n\t  /***\r\n\t   * Returns whether a range contains a given cell.\r\n\t   * @method contains\r\n\t   * @param row {Integer}\r\n\t   * @param cell {Integer}\r\n\t   * @return {Boolean}\r\n\t   */\n\t  this.contains = function (row, cell) {\n\t    return row >= this.fromRow && row <= this.toRow && cell >= this.fromCell && cell <= this.toCell;\n\t  };\n\t\n\t  /***\r\n\t   * Returns a readable representation of a range.\r\n\t   * @method toString\r\n\t   * @return {String}\r\n\t   */\n\t  this.toString = function () {\n\t    if (this.isSingleCell()) {\n\t      return \"(\" + this.fromRow + \":\" + this.fromCell + \")\";\n\t    } else {\n\t      return \"(\" + this.fromRow + \":\" + this.fromCell + \" - \" + this.toRow + \":\" + this.toCell + \")\";\n\t    }\n\t  };\n\t}\n\t\n\t/***\r\n\t * A base class that all special / non-data rows (like Group and GroupTotals) derive from.\r\n\t * @class NonDataItem\r\n\t * @constructor\r\n\t */\n\tfunction NonDataItem() {\n\t  this.__nonDataRow = true;\n\t}\n\t\n\t/***\r\n\t * Information about a group of rows.\r\n\t * @class Group\r\n\t * @extends Slick.NonDataItem\r\n\t * @constructor\r\n\t */\n\tfunction Group() {\n\t  this.__group = true;\n\t\n\t  /**\r\n\t   * Grouping level, starting with 0.\r\n\t   * @property level\r\n\t   * @type {Number}\r\n\t   */\n\t  this.level = 0;\n\t\n\t  /***\r\n\t   * Number of rows in the group.\r\n\t   * @property count\r\n\t   * @type {Integer}\r\n\t   */\n\t  this.count = 0;\n\t\n\t  /***\r\n\t   * Grouping value.\r\n\t   * @property value\r\n\t   * @type {Object}\r\n\t   */\n\t  this.value = null;\n\t\n\t  /***\r\n\t   * Formatted display value of the group.\r\n\t   * @property title\r\n\t   * @type {String}\r\n\t   */\n\t  this.title = null;\n\t\n\t  /***\r\n\t   * Whether a group is collapsed.\r\n\t   * @property collapsed\r\n\t   * @type {Boolean}\r\n\t   */\n\t  this.collapsed = false;\n\t\n\t  /***\r\n\t   * GroupTotals, if any.\r\n\t   * @property totals\r\n\t   * @type {GroupTotals}\r\n\t   */\n\t  this.totals = null;\n\t\n\t  /**\r\n\t   * Rows that are part of the group.\r\n\t   * @property rows\r\n\t   * @type {Array}\r\n\t   */\n\t  this.rows = [];\n\t\n\t  /**\r\n\t   * Sub-groups that are part of the group.\r\n\t   * @property groups\r\n\t   * @type {Array}\r\n\t   */\n\t  this.groups = null;\n\t\n\t  /**\r\n\t   * A unique key used to identify the group.  This key can be used in calls to DataView\r\n\t   * collapseGroup() or expandGroup().\r\n\t   * @property groupingKey\r\n\t   * @type {Object}\r\n\t   */\n\t  this.groupingKey = null;\n\t}\n\t\n\tGroup.prototype = new NonDataItem();\n\t\n\t/***\r\n\t * Compares two Group instances.\r\n\t * @method equals\r\n\t * @return {Boolean}\r\n\t * @param group {Group} Group instance to compare to.\r\n\t */\n\tGroup.prototype.equals = function (group) {\n\t  return this.value === group.value && this.count === group.count && this.collapsed === group.collapsed && this.title === group.title;\n\t};\n\t\n\t/***\r\n\t * Information about group totals.\r\n\t * An instance of GroupTotals will be created for each totals row and passed to the aggregators\r\n\t * so that they can store arbitrary data in it.  That data can later be accessed by group totals\r\n\t * formatters during the display.\r\n\t * @class GroupTotals\r\n\t * @extends Slick.NonDataItem\r\n\t * @constructor\r\n\t */\n\tfunction GroupTotals() {\n\t  this.__groupTotals = true;\n\t\n\t  /***\r\n\t   * Parent Group.\r\n\t   * @param group\r\n\t   * @type {Group}\r\n\t   */\n\t  this.group = null;\n\t\n\t  /***\r\n\t   * Whether the totals have been fully initialized / calculated.\r\n\t   * Will be set to false for lazy-calculated group totals.\r\n\t   * @param initialized\r\n\t   * @type {Boolean}\r\n\t   */\n\t  this.initialized = false;\n\t}\n\t\n\tGroupTotals.prototype = new NonDataItem();\n\t\n\t/***\r\n\t * A locking helper to track the active edit controller and ensure that only a single controller\r\n\t * can be active at a time.  This prevents a whole class of state and validation synchronization\r\n\t * issues.  An edit controller (such as SlickGrid) can query if an active edit is in progress\r\n\t * and attempt a commit or cancel before proceeding.\r\n\t * @class EditorLock\r\n\t * @constructor\r\n\t */\n\tfunction EditorLock() {\n\t  var activeEditController = null;\n\t\n\t  /***\r\n\t   * Returns true if a specified edit controller is active (has the edit lock).\r\n\t   * If the parameter is not specified, returns true if any edit controller is active.\r\n\t   * @method isActive\r\n\t   * @param editController {EditController}\r\n\t   * @return {Boolean}\r\n\t   */\n\t  this.isActive = function (editController) {\n\t    return editController ? activeEditController === editController : activeEditController !== null;\n\t  };\n\t\n\t  /***\r\n\t   * Sets the specified edit controller as the active edit controller (acquire edit lock).\r\n\t   * If another edit controller is already active, and exception will be thrown.\r\n\t   * @method activate\r\n\t   * @param editController {EditController} edit controller acquiring the lock\r\n\t   */\n\t  this.activate = function (editController) {\n\t    if (editController === activeEditController) {\n\t      // already activated?\n\t      return;\n\t    }\n\t    if (activeEditController !== null) {\n\t      throw \"SlickGrid.EditorLock.activate: an editController is still active, can't activate another editController\";\n\t    }\n\t    if (!editController.commitCurrentEdit) {\n\t      throw \"SlickGrid.EditorLock.activate: editController must implement .commitCurrentEdit()\";\n\t    }\n\t    if (!editController.cancelCurrentEdit) {\n\t      throw \"SlickGrid.EditorLock.activate: editController must implement .cancelCurrentEdit()\";\n\t    }\n\t    activeEditController = editController;\n\t  };\n\t\n\t  /***\r\n\t   * Unsets the specified edit controller as the active edit controller (release edit lock).\r\n\t   * If the specified edit controller is not the active one, an exception will be thrown.\r\n\t   * @method deactivate\r\n\t   * @param editController {EditController} edit controller releasing the lock\r\n\t   */\n\t  this.deactivate = function (editController) {\n\t    if (activeEditController !== editController) {\n\t      throw \"SlickGrid.EditorLock.deactivate: specified editController is not the currently active one\";\n\t    }\n\t    activeEditController = null;\n\t  };\n\t\n\t  /***\r\n\t   * Attempts to commit the current edit by calling \"commitCurrentEdit\" method on the active edit\r\n\t   * controller and returns whether the commit attempt was successful (commit may fail due to validation\r\n\t   * errors, etc.).  Edit controller's \"commitCurrentEdit\" must return true if the commit has succeeded\r\n\t   * and false otherwise.  If no edit controller is active, returns true.\r\n\t   * @method commitCurrentEdit\r\n\t   * @return {Boolean}\r\n\t   */\n\t  this.commitCurrentEdit = function () {\n\t    return activeEditController ? activeEditController.commitCurrentEdit() : true;\n\t  };\n\t\n\t  /***\r\n\t   * Attempts to cancel the current edit by calling \"cancelCurrentEdit\" method on the active edit\r\n\t   * controller and returns whether the edit was successfully cancelled.  If no edit controller is\r\n\t   * active, returns true.\r\n\t   * @method cancelCurrentEdit\r\n\t   * @return {Boolean}\r\n\t   */\n\t  this.cancelCurrentEdit = function cancelCurrentEdit() {\n\t    return activeEditController ? activeEditController.cancelCurrentEdit() : true;\n\t  };\n\t}\n\t\n\t/**\r\n\t *\r\n\t * @param {Array} treeColumns Array com levels of columns\r\n\t * @returns {{hasDepth: 'hasDepth', getTreeColumns: 'getTreeColumns', extractColumns: 'extractColumns', getDepth: 'getDepth', getColumnsInDepth: 'getColumnsInDepth', getColumnsInGroup: 'getColumnsInGroup', visibleColumns: 'visibleColumns', filter: 'filter', reOrder: reOrder}}\r\n\t * @constructor\r\n\t */\n\tfunction TreeColumns(treeColumns) {\n\t\n\t  var columnsById = {};\n\t\n\t  function init() {\n\t    mapToId(treeColumns);\n\t  }\n\t\n\t  function mapToId(columns) {\n\t    columns.forEach(function (column) {\n\t      columnsById[column.id] = column;\n\t\n\t      if (column.columns) mapToId(column.columns);\n\t    });\n\t  }\n\t\n\t  function filter(node, condition) {\n\t\n\t    return node.filter(function (column) {\n\t\n\t      var valid = condition.call(column);\n\t\n\t      if (valid && column.columns) column.columns = filter(column.columns, condition);\n\t\n\t      return valid && (!column.columns || column.columns.length);\n\t    });\n\t  }\n\t\n\t  function sort(columns, grid) {\n\t    columns.sort(function (a, b) {\n\t      var indexA = getOrDefault(grid.getColumnIndex(a.id)),\n\t          indexB = getOrDefault(grid.getColumnIndex(b.id));\n\t\n\t      return indexA - indexB;\n\t    }).forEach(function (column) {\n\t      if (column.columns) sort(column.columns, grid);\n\t    });\n\t  }\n\t\n\t  function getOrDefault(value) {\n\t    return typeof value === 'undefined' ? -1 : value;\n\t  }\n\t\n\t  function getDepth(node) {\n\t    if (node.length) for (var i in node) {\n\t      return getDepth(node[i]);\n\t    } else if (node.columns) return 1 + getDepth(node.columns);else return 1;\n\t  }\n\t\n\t  function getColumnsInDepth(node, depth, current) {\n\t    var columns = [];\n\t    current = current || 0;\n\t\n\t    if (depth == current) {\n\t\n\t      if (node.length) node.forEach(function (n) {\n\t        if (n.columns) n.extractColumns = function () {\n\t          return extractColumns(n);\n\t        };\n\t      });\n\t\n\t      return node;\n\t    } else for (var i in node) {\n\t      if (node[i].columns) {\n\t        columns = columns.concat(getColumnsInDepth(node[i].columns, depth, current + 1));\n\t      }\n\t    }return columns;\n\t  }\n\t\n\t  function extractColumns(node) {\n\t    var result = [];\n\t\n\t    if (node.hasOwnProperty('length')) {\n\t\n\t      for (var i = 0; i < node.length; i++) {\n\t        result = result.concat(extractColumns(node[i]));\n\t      }\n\t    } else {\n\t\n\t      if (node.hasOwnProperty('columns')) result = result.concat(extractColumns(node.columns));else return node;\n\t    }\n\t\n\t    return result;\n\t  }\n\t\n\t  function cloneTreeColumns() {\n\t    return $.extend(true, [], treeColumns);\n\t  }\n\t\n\t  init();\n\t\n\t  this.hasDepth = function () {\n\t\n\t    for (var i in treeColumns) {\n\t      if (treeColumns[i].hasOwnProperty('columns')) return true;\n\t    }return false;\n\t  };\n\t\n\t  this.getTreeColumns = function () {\n\t    return treeColumns;\n\t  };\n\t\n\t  this.extractColumns = function () {\n\t    return this.hasDepth() ? extractColumns(treeColumns) : treeColumns;\n\t  };\n\t\n\t  this.getDepth = function () {\n\t    return getDepth(treeColumns);\n\t  };\n\t\n\t  this.getColumnsInDepth = function (depth) {\n\t    return getColumnsInDepth(treeColumns, depth);\n\t  };\n\t\n\t  this.getColumnsInGroup = function (groups) {\n\t    return extractColumns(groups);\n\t  };\n\t\n\t  this.visibleColumns = function () {\n\t    return filter(cloneTreeColumns(), function () {\n\t      return this.visible;\n\t    });\n\t  };\n\t\n\t  this.filter = function (condition) {\n\t    return filter(cloneTreeColumns(), condition);\n\t  };\n\t\n\t  this.reOrder = function (grid) {\n\t    return sort(treeColumns, grid);\n\t  };\n\t\n\t  this.getById = function (id) {\n\t    return columnsById[id];\n\t  };\n\t\n\t  this.getInIds = function (ids) {\n\t    return ids.map(function (id) {\n\t      return columnsById[id];\n\t    });\n\t  };\n\t}\n\n/***/ }),\n/* 2 */\n/***/ (function(module, exports) {\n\n\tmodule.exports = require(\"jquery\");\n\n/***/ }),\n/* 3 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tObject.defineProperty(exports, \"__esModule\", {\n\t  value: true\n\t});\n\t\n\tvar _jquery = __webpack_require__(2);\n\t\n\tvar _jquery2 = _interopRequireDefault(_jquery);\n\t\n\tvar _slick = __webpack_require__(1);\n\t\n\tvar _slick2 = _interopRequireDefault(_slick);\n\t\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\t\n\texports.default = CellRangeDecorator;\n\t\n\t/** *\r\n\t * Displays an overlay on top of a given cell range.\r\n\t *\r\n\t * TODO:\r\n\t * Currently, it blocks mouse events to DOM nodes behind it.\r\n\t * Use FF and WebKit-specific 'pointer-events' CSS style, or some kind of event forwarding.\r\n\t * Could also construct the borders separately using 4 individual DIVs.\r\n\t *\r\n\t * @param {Grid} grid\r\n\t * @param {Object} options\r\n\t */\n\t\n\tfunction CellRangeDecorator(grid, options) {\n\t  var _elem = void 0;\n\t  var _defaults = {\n\t    selectionCssClass: 'slick-range-decorator',\n\t    selectionCss: {\n\t      zIndex: '9999',\n\t      border: '2px dashed red'\n\t    }\n\t  };\n\t\n\t  options = Object.assign({}, _defaults, options);\n\t\n\t  function show(range) {\n\t    if (!_elem) {\n\t      _elem = (0, _jquery2.default)('<div></div>', { css: options.selectionCss }).addClass(options.selectionCssClass).css('position', 'absolute').appendTo(grid.getCanvasNode());\n\t    }\n\t\n\t    var from = grid.getCellNodeBox(range.fromRow, range.fromCell);\n\t    var to = grid.getCellNodeBox(range.toRow, range.toCell);\n\t\n\t    _elem.css({\n\t      top: from.top - 1,\n\t      left: from.left - 1,\n\t      height: to.bottom - from.top - 2,\n\t      width: to.right - from.left - 2\n\t    });\n\t\n\t    return _elem;\n\t  }\n\t\n\t  function hide() {\n\t    if (_elem) {\n\t      _elem.remove();\n\t      _elem = null;\n\t    }\n\t  }\n\t\n\t  Object.assign(this, {\n\t    show: show,\n\t    hide: hide\n\t  });\n\t}\n\n/***/ }),\n/* 4 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tObject.defineProperty(exports, \"__esModule\", {\n\t  value: true\n\t});\n\t\n\tvar _jquery = __webpack_require__(2);\n\t\n\tvar _jquery2 = _interopRequireDefault(_jquery);\n\t\n\tvar _slick = __webpack_require__(1);\n\t\n\tvar _slick2 = _interopRequireDefault(_slick);\n\t\n\tvar _slick3 = __webpack_require__(3);\n\t\n\tvar _slick4 = _interopRequireDefault(_slick3);\n\t\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\t\n\texports.default = CellRangeSelector;\n\t\n\t\n\tfunction CellRangeSelector(options) {\n\t  var _grid = void 0;\n\t  var _canvas = void 0;\n\t  var _dragging = void 0;\n\t  var _decorator = void 0;\n\t  var _range = {};\n\t\n\t  var _self = this;\n\t  var _handler = new _slick2.default.EventHandler();\n\t  var _defaults = {\n\t    selectionCss: {\n\t      // 'border': '2px dashed blue'\n\t    }\n\t  };\n\t\n\t  function init(grid) {\n\t    options = Object.assign({}, _defaults, options);\n\t    _decorator = new _slick4.default(grid, options);\n\t    _grid = grid;\n\t    _canvas = _grid.getCanvasNode();\n\t    _handler.subscribe(_grid.onDragInit, handleDragInit).subscribe(_grid.onDragStart, handleDragStart).subscribe(_grid.onDrag, handleDrag).subscribe(_grid.onDragEnd, handleDragEnd);\n\t  }\n\t\n\t  function destroy() {\n\t    _handler.unsubscribeAll();\n\t  }\n\t\n\t  function handleDragInit(e, dd) {\n\t    // prevent the grid from cancelling drag'n'drop by default\n\t    e.stopImmediatePropagation();\n\t  }\n\t\n\t  function handleDragStart(jqueryEvent, interactEvent) {\n\t    var cell = _grid.getCellFromEvent(interactEvent.originalEvent);\n\t    if (_self.onBeforeCellRangeSelected.notify(cell) !== false) {\n\t      if (_grid.canCellBeSelected(cell.row, cell.cell)) {\n\t        _dragging = true;\n\t        // jqueryEvent.stopImmediatePropagation();\n\t      }\n\t    }\n\t    if (!_dragging) {\n\t      return;\n\t    }\n\t\n\t    _grid.focus();\n\t\n\t    var start = _grid.getCellFromPoint(interactEvent.x0 - (0, _jquery2.default)(_canvas).offset().left, interactEvent.y0 - (0, _jquery2.default)(_canvas).offset().top);\n\t\n\t    _range = {\n\t      start: start,\n\t      end: {}\n\t    };\n\t\n\t    return _decorator.show(new _slick2.default.Range(start.row, start.cell));\n\t  }\n\t\n\t  function handleDrag(e, interactEvent) {\n\t    if (!_dragging) {\n\t      return;\n\t    }\n\t    // e.stopImmediatePropagation();\n\t\n\t    var end = _grid.getCellFromPoint(interactEvent.pageX - (0, _jquery2.default)(_canvas).offset().left, interactEvent.pageY - (0, _jquery2.default)(_canvas).offset().top);\n\t\n\t    if (!_grid.canCellBeSelected(end.row, end.cell)) {\n\t      return;\n\t    }\n\t\n\t    _range.end = end;\n\t    _decorator.show(new _slick2.default.Range(_range.start.row, _range.start.cell, end.row, end.cell));\n\t  }\n\t\n\t  function handleDragEnd(e) {\n\t    if (!_dragging) {\n\t      return;\n\t    }\n\t\n\t    _dragging = false;\n\t    // e.stopImmediatePropagation();\n\t\n\t    _decorator.hide();\n\t    _self.onCellRangeSelected.notify({\n\t      range: new _slick2.default.Range(_range.start.row, _range.start.cell, _range.end.row, _range.end.cell)\n\t    });\n\t    _range = {};\n\t  }\n\t\n\t  Object.assign(this, {\n\t    init: init,\n\t    destroy: destroy,\n\t\n\t    onBeforeCellRangeSelected: new _slick2.default.Event(),\n\t    onCellRangeSelected: new _slick2.default.Event()\n\t  });\n\t}\n\n/***/ }),\n/* 5 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tvar _typeof = typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; };\n\t\n\t/**\r\n\t * interact.js v1.2.6\r\n\t *\r\n\t * Copyright (c) 2012-2015 Taye Adeyemi <dev@taye.me>\r\n\t * Open source under the MIT License.\r\n\t * https://raw.github.com/taye/interact.js/master/LICENSE\r\n\t *\r\n\t * This file has been monkey patched to pass the originalEvent on to drag events\r\n\t */\n\t(function (realWindow) {\n\t  'use strict';\n\t\n\t  // return early if there's no window to work with (eg. Node.js)\n\t\n\t  if (!realWindow) {\n\t    return;\n\t  }\n\t\n\t  var // get wrapped window if using Shadow DOM polyfill\n\t  window = function () {\n\t    // create a TextNode\n\t    var el = realWindow.document.createTextNode('');\n\t\n\t    // check if it's wrapped by a polyfill\n\t    if (el.ownerDocument !== realWindow.document && typeof realWindow.wrap === 'function' && realWindow.wrap(el) === el) {\n\t      // return wrapped window\n\t      return realWindow.wrap(realWindow);\n\t    }\n\t\n\t    // no Shadow DOM polyfil or native implementation\n\t    return realWindow;\n\t  }(),\n\t      document = window.document,\n\t      DocumentFragment = window.DocumentFragment || blank,\n\t      SVGElement = window.SVGElement || blank,\n\t      SVGSVGElement = window.SVGSVGElement || blank,\n\t      SVGElementInstance = window.SVGElementInstance || blank,\n\t      HTMLElement = window.HTMLElement || window.Element,\n\t      PointerEvent = window.PointerEvent || window.MSPointerEvent,\n\t      pEventTypes,\n\t      hypot = Math.hypot || function (x, y) {\n\t    return Math.sqrt(x * x + y * y);\n\t  },\n\t      tmpXY = {},\n\t      // reduce object creation in getXY()\n\t\n\t  documents = [],\n\t      // all documents being listened to\n\t\n\t  interactables = [],\n\t      // all set interactables\n\t  interactions = [],\n\t      // all interactions\n\t\n\t  dynamicDrop = false,\n\t\n\t\n\t  // {\n\t  //      type: {\n\t  //          selectors: ['selector', ...],\n\t  //          contexts : [document, ...],\n\t  //          listeners: [[listener, useCapture], ...]\n\t  //      }\n\t  //  }\n\t  delegatedEvents = {},\n\t      defaultOptions = {\n\t    base: {\n\t      accept: null,\n\t      actionChecker: null,\n\t      styleCursor: true,\n\t      preventDefault: 'auto',\n\t      origin: { x: 0, y: 0 },\n\t      deltaSource: 'page',\n\t      allowFrom: null,\n\t      ignoreFrom: null,\n\t      _context: document,\n\t      dropChecker: null\n\t    },\n\t\n\t    drag: {\n\t      enabled: false,\n\t      manualStart: true,\n\t      max: Infinity,\n\t      maxPerElement: 1,\n\t\n\t      snap: null,\n\t      restrict: null,\n\t      inertia: null,\n\t      autoScroll: null,\n\t\n\t      axis: 'xy'\n\t    },\n\t\n\t    drop: {\n\t      enabled: false,\n\t      accept: null,\n\t      overlap: 'pointer'\n\t    },\n\t\n\t    resize: {\n\t      enabled: false,\n\t      manualStart: false,\n\t      max: Infinity,\n\t      maxPerElement: 1,\n\t\n\t      snap: null,\n\t      restrict: null,\n\t      inertia: null,\n\t      autoScroll: null,\n\t\n\t      square: false,\n\t      preserveAspectRatio: false,\n\t      axis: 'xy',\n\t\n\t      // use default margin\n\t      margin: NaN,\n\t\n\t      // object with props left, right, top, bottom which are\n\t      // true/false values to resize when the pointer is over that edge,\n\t      // CSS selectors to match the handles for each direction\n\t      // or the Elements for each handle\n\t      edges: null,\n\t\n\t      // a value of 'none' will limit the resize rect to a minimum of 0x0\n\t      // 'negate' will alow the rect to have negative width/height\n\t      // 'reposition' will keep the width/height positive by swapping\n\t      // the top and bottom edges and/or swapping the left and right edges\n\t      invert: 'none'\n\t    },\n\t\n\t    gesture: {\n\t      manualStart: false,\n\t      enabled: false,\n\t      max: Infinity,\n\t      maxPerElement: 1,\n\t\n\t      restrict: null\n\t    },\n\t\n\t    perAction: {\n\t      manualStart: false,\n\t      max: Infinity,\n\t      maxPerElement: 1,\n\t\n\t      snap: {\n\t        enabled: false,\n\t        endOnly: false,\n\t        range: Infinity,\n\t        targets: null,\n\t        offsets: null,\n\t\n\t        relativePoints: null\n\t      },\n\t\n\t      restrict: {\n\t        enabled: false,\n\t        endOnly: false\n\t      },\n\t\n\t      autoScroll: {\n\t        enabled: false,\n\t        container: null, // the item that is scrolled (Window or HTMLElement)\n\t        margin: 60,\n\t        speed: 300 // the scroll speed in pixels per second\n\t      },\n\t\n\t      inertia: {\n\t        enabled: false,\n\t        resistance: 10, // the lambda in exponential decay\n\t        minSpeed: 100, // target speed must be above this for inertia to start\n\t        endSpeed: 10, // the speed at which inertia is slow enough to stop\n\t        allowResume: true, // allow resuming an action in inertia phase\n\t        zeroResumeDelta: true, // if an action is resumed after launch, set dx/dy to 0\n\t        smoothEndDuration: 300 // animate to snap/restrict endOnly if there's no inertia\n\t      }\n\t    },\n\t\n\t    _holdDuration: 600\n\t  },\n\t\n\t\n\t  // Things related to autoScroll\n\t  autoScroll = {\n\t    interaction: null,\n\t    i: null, // the handle returned by window.setInterval\n\t    x: 0, y: 0, // Direction each pulse is to scroll in\n\t\n\t    // scroll the window by the values in scroll.x/y\n\t    scroll: function scroll() {\n\t      var options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll,\n\t          container = options.container || getWindow(autoScroll.interaction.element),\n\t          now = new Date().getTime(),\n\t\n\t      // change in time in seconds\n\t      dtx = (now - autoScroll.prevTimeX) / 1000,\n\t          dty = (now - autoScroll.prevTimeY) / 1000,\n\t          vx,\n\t          vy,\n\t          sx,\n\t          sy;\n\t\n\t      // displacement\n\t      if (options.velocity) {\n\t        vx = options.velocity.x;\n\t        vy = options.velocity.y;\n\t      } else {\n\t        vx = vy = options.speed;\n\t      }\n\t\n\t      sx = vx * dtx;\n\t      sy = vy * dty;\n\t\n\t      if (sx >= 1 || sy >= 1) {\n\t        if (isWindow(container)) {\n\t          container.scrollBy(autoScroll.x * sx, autoScroll.y * sy);\n\t        } else if (container) {\n\t          container.scrollLeft += autoScroll.x * sx;\n\t          container.scrollTop += autoScroll.y * sy;\n\t        }\n\t\n\t        if (sx >= 1) autoScroll.prevTimeX = now;\n\t        if (sy >= 1) autoScroll.prevTimeY = now;\n\t      }\n\t\n\t      if (autoScroll.isScrolling) {\n\t        cancelFrame(autoScroll.i);\n\t        autoScroll.i = reqFrame(autoScroll.scroll);\n\t      }\n\t    },\n\t\n\t    isScrolling: false,\n\t    prevTimeX: 0,\n\t    prevTimeY: 0,\n\t\n\t    start: function start(interaction) {\n\t      autoScroll.isScrolling = true;\n\t      cancelFrame(autoScroll.i);\n\t\n\t      autoScroll.interaction = interaction;\n\t      autoScroll.prevTimeX = new Date().getTime();\n\t      autoScroll.prevTimeY = new Date().getTime();\n\t      autoScroll.i = reqFrame(autoScroll.scroll);\n\t    },\n\t\n\t    stop: function stop() {\n\t      autoScroll.isScrolling = false;\n\t      cancelFrame(autoScroll.i);\n\t    }\n\t  },\n\t\n\t\n\t  // Does the browser support touch input?\n\t  supportsTouch = 'ontouchstart' in window || window.DocumentTouch && document instanceof window.DocumentTouch,\n\t\n\t\n\t  // Does the browser support PointerEvents\n\t  supportsPointerEvent = PointerEvent && !/Chrome/.test(navigator.userAgent),\n\t\n\t\n\t  // Less Precision with touch input\n\t  margin = supportsTouch || supportsPointerEvent ? 20 : 10,\n\t      pointerMoveTolerance = 1,\n\t\n\t\n\t  // for ignoring browser's simulated mouse events\n\t  prevTouchTime = 0,\n\t\n\t\n\t  // Allow this many interactions to happen simultaneously\n\t  maxInteractions = Infinity,\n\t\n\t\n\t  // Check if is IE9 or older\n\t  actionCursors = document.all && !window.atob ? {\n\t    drag: 'move',\n\t    resizex: 'e-resize',\n\t    resizey: 's-resize',\n\t    resizexy: 'se-resize',\n\t\n\t    resizetop: 'n-resize',\n\t    resizeleft: 'w-resize',\n\t    resizebottom: 's-resize',\n\t    resizeright: 'e-resize',\n\t    resizetopleft: 'se-resize',\n\t    resizebottomright: 'se-resize',\n\t    resizetopright: 'ne-resize',\n\t    resizebottomleft: 'ne-resize',\n\t\n\t    gesture: ''\n\t  } : {\n\t    drag: 'move',\n\t    resizex: 'ew-resize',\n\t    resizey: 'ns-resize',\n\t    resizexy: 'nwse-resize',\n\t\n\t    resizetop: 'ns-resize',\n\t    resizeleft: 'ew-resize',\n\t    resizebottom: 'ns-resize',\n\t    resizeright: 'ew-resize',\n\t    resizetopleft: 'nwse-resize',\n\t    resizebottomright: 'nwse-resize',\n\t    resizetopright: 'nesw-resize',\n\t    resizebottomleft: 'nesw-resize',\n\t\n\t    gesture: ''\n\t  },\n\t      actionIsEnabled = {\n\t    drag: true,\n\t    resize: true,\n\t    gesture: true\n\t  },\n\t\n\t\n\t  // because Webkit and Opera still use 'mousewheel' event type\n\t  wheelEvent = 'onmousewheel' in document ? 'mousewheel' : 'wheel',\n\t      eventTypes = ['dragstart', 'dragmove', 'draginertiastart', 'dragend', 'dragenter', 'dragleave', 'dropactivate', 'dropdeactivate', 'dropmove', 'drop', 'resizestart', 'resizemove', 'resizeinertiastart', 'resizeend', 'gesturestart', 'gesturemove', 'gestureinertiastart', 'gestureend', 'down', 'move', 'up', 'cancel', 'tap', 'doubletap', 'hold'],\n\t      globalEvents = {},\n\t\n\t\n\t  // Opera Mobile must be handled differently\n\t  isOperaMobile = navigator.appName == 'Opera' && supportsTouch && navigator.userAgent.match('Presto'),\n\t\n\t\n\t  // scrolling doesn't change the result of getClientRects on iOS 7\n\t  isIOS7 = /iP(hone|od|ad)/.test(navigator.platform) && /OS 7[^\\d]/.test(navigator.appVersion),\n\t\n\t\n\t  // prefix matchesSelector\n\t  prefixedMatchesSelector = 'matches' in Element.prototype ? 'matches' : 'webkitMatchesSelector' in Element.prototype ? 'webkitMatchesSelector' : 'mozMatchesSelector' in Element.prototype ? 'mozMatchesSelector' : 'oMatchesSelector' in Element.prototype ? 'oMatchesSelector' : 'msMatchesSelector',\n\t\n\t\n\t  // will be polyfill function if browser is IE8\n\t  ie8MatchesSelector,\n\t\n\t\n\t  // native requestAnimationFrame or polyfill\n\t  reqFrame = realWindow.requestAnimationFrame,\n\t      cancelFrame = realWindow.cancelAnimationFrame,\n\t\n\t\n\t  // Events wrapper\n\t  events = function () {\n\t    var useAttachEvent = 'attachEvent' in window && !('addEventListener' in window),\n\t        addEvent = useAttachEvent ? 'attachEvent' : 'addEventListener',\n\t        removeEvent = useAttachEvent ? 'detachEvent' : 'removeEventListener',\n\t        on = useAttachEvent ? 'on' : '',\n\t        elements = [],\n\t        targets = [],\n\t        attachedListeners = [];\n\t\n\t    function add(element, type, listener, useCapture) {\n\t      var elementIndex = indexOf(elements, element),\n\t          target = targets[elementIndex];\n\t\n\t      if (!target) {\n\t        target = {\n\t          events: {},\n\t          typeCount: 0\n\t        };\n\t\n\t        elementIndex = elements.push(element) - 1;\n\t        targets.push(target);\n\t\n\t        attachedListeners.push(useAttachEvent ? {\n\t          supplied: [],\n\t          wrapped: [],\n\t          useCount: []\n\t        } : null);\n\t      }\n\t\n\t      if (!target.events[type]) {\n\t        target.events[type] = [];\n\t        target.typeCount++;\n\t      }\n\t\n\t      if (!contains(target.events[type], listener)) {\n\t        var ret;\n\t\n\t        if (useAttachEvent) {\n\t          var listeners = attachedListeners[elementIndex],\n\t              listenerIndex = indexOf(listeners.supplied, listener);\n\t\n\t          var wrapped = listeners.wrapped[listenerIndex] || function (event) {\n\t            if (!event.immediatePropagationStopped) {\n\t              event.target = event.srcElement;\n\t              event.currentTarget = element;\n\t\n\t              event.preventDefault = event.preventDefault || preventDef;\n\t              event.stopPropagation = event.stopPropagation || stopProp;\n\t              event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\t\n\t              if (/mouse|click/.test(event.type)) {\n\t                event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n\t                event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n\t              }\n\t\n\t              listener(event);\n\t            }\n\t          };\n\t\n\t          ret = element[addEvent](on + type, wrapped, Boolean(useCapture));\n\t\n\t          if (listenerIndex === -1) {\n\t            listeners.supplied.push(listener);\n\t            listeners.wrapped.push(wrapped);\n\t            listeners.useCount.push(1);\n\t          } else {\n\t            listeners.useCount[listenerIndex]++;\n\t          }\n\t        } else {\n\t          ret = element[addEvent](type, listener, useCapture || false);\n\t        }\n\t        target.events[type].push(listener);\n\t\n\t        return ret;\n\t      }\n\t    }\n\t\n\t    function remove(element, type, listener, useCapture) {\n\t      var i,\n\t          elementIndex = indexOf(elements, element),\n\t          target = targets[elementIndex],\n\t          listeners,\n\t          listenerIndex,\n\t          wrapped = listener;\n\t\n\t      if (!target || !target.events) {\n\t        return;\n\t      }\n\t\n\t      if (useAttachEvent) {\n\t        listeners = attachedListeners[elementIndex];\n\t        listenerIndex = indexOf(listeners.supplied, listener);\n\t        wrapped = listeners.wrapped[listenerIndex];\n\t      }\n\t\n\t      if (type === 'all') {\n\t        for (type in target.events) {\n\t          if (target.events.hasOwnProperty(type)) {\n\t            remove(element, type, 'all');\n\t          }\n\t        }\n\t        return;\n\t      }\n\t\n\t      if (target.events[type]) {\n\t        var len = target.events[type].length;\n\t\n\t        if (listener === 'all') {\n\t          for (i = 0; i < len; i++) {\n\t            remove(element, type, target.events[type][i], Boolean(useCapture));\n\t          }\n\t          return;\n\t        } else {\n\t          for (i = 0; i < len; i++) {\n\t            if (target.events[type][i] === listener) {\n\t              element[removeEvent](on + type, wrapped, useCapture || false);\n\t              target.events[type].splice(i, 1);\n\t\n\t              if (useAttachEvent && listeners) {\n\t                listeners.useCount[listenerIndex]--;\n\t                if (listeners.useCount[listenerIndex] === 0) {\n\t                  listeners.supplied.splice(listenerIndex, 1);\n\t                  listeners.wrapped.splice(listenerIndex, 1);\n\t                  listeners.useCount.splice(listenerIndex, 1);\n\t                }\n\t              }\n\t\n\t              break;\n\t            }\n\t          }\n\t        }\n\t\n\t        if (target.events[type] && target.events[type].length === 0) {\n\t          target.events[type] = null;\n\t          target.typeCount--;\n\t        }\n\t      }\n\t\n\t      if (!target.typeCount) {\n\t        targets.splice(elementIndex, 1);\n\t        elements.splice(elementIndex, 1);\n\t        attachedListeners.splice(elementIndex, 1);\n\t      }\n\t    }\n\t\n\t    function preventDef() {\n\t      this.returnValue = false;\n\t    }\n\t\n\t    function stopProp() {\n\t      this.cancelBubble = true;\n\t    }\n\t\n\t    function stopImmProp() {\n\t      this.cancelBubble = true;\n\t      this.immediatePropagationStopped = true;\n\t    }\n\t\n\t    return {\n\t      add: add,\n\t      remove: remove,\n\t      useAttachEvent: useAttachEvent,\n\t\n\t      _elements: elements,\n\t      _targets: targets,\n\t      _attachedListeners: attachedListeners\n\t    };\n\t  }();\n\t\n\t  function blank() {}\n\t\n\t  function isElement(o) {\n\t    if (!o || (typeof o === 'undefined' ? 'undefined' : _typeof(o)) !== 'object') {\n\t      return false;\n\t    }\n\t\n\t    var _window = getWindow(o) || window;\n\t\n\t    return (/object|function/.test(_typeof(_window.Element)) ? o instanceof _window.Element // DOM2\n\t      : o.nodeType === 1 && typeof o.nodeName === 'string'\n\t    );\n\t  }\n\t  function isWindow(thing) {\n\t    return thing === window || !!(thing && thing.Window) && thing instanceof thing.Window;\n\t  }\n\t  function isDocFrag(thing) {\n\t    return !!thing && thing instanceof DocumentFragment;\n\t  }\n\t  function isArray(thing) {\n\t    return isObject(thing) && _typeof(thing.length) !== undefined && isFunction(thing.splice);\n\t  }\n\t  function isObject(thing) {\n\t    return !!thing && (typeof thing === 'undefined' ? 'undefined' : _typeof(thing)) === 'object';\n\t  }\n\t  function isFunction(thing) {\n\t    return typeof thing === 'function';\n\t  }\n\t  function isNumber(thing) {\n\t    return typeof thing === 'number';\n\t  }\n\t  function isBool(thing) {\n\t    return typeof thing === 'boolean';\n\t  }\n\t  function isString(thing) {\n\t    return typeof thing === 'string';\n\t  }\n\t\n\t  function trySelector(value) {\n\t    if (!isString(value)) {\n\t      return false;\n\t    }\n\t\n\t    // an exception will be raised if it is invalid\n\t    document.querySelector(value);\n\t    return true;\n\t  }\n\t\n\t  function extend(dest, source) {\n\t    for (var prop in source) {\n\t      dest[prop] = source[prop];\n\t    }\n\t    return dest;\n\t  }\n\t\n\t  var prefixedPropREs = {\n\t    webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/\n\t  };\n\t\n\t  function pointerExtend(dest, source) {\n\t    for (var prop in source) {\n\t      var deprecated = false;\n\t\n\t      // skip deprecated prefixed properties\n\t      for (var vendor in prefixedPropREs) {\n\t        if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n\t          deprecated = true;\n\t          break;\n\t        }\n\t      }\n\t\n\t      if (!deprecated) {\n\t        dest[prop] = source[prop];\n\t      }\n\t    }\n\t    return dest;\n\t  }\n\t\n\t  function copyCoords(dest, src) {\n\t    dest.page = dest.page || {};\n\t    dest.page.x = src.page.x;\n\t    dest.page.y = src.page.y;\n\t\n\t    dest.client = dest.client || {};\n\t    dest.client.x = src.client.x;\n\t    dest.client.y = src.client.y;\n\t\n\t    dest.timeStamp = src.timeStamp;\n\t  }\n\t\n\t  function _setEventXY(targetObj, pointers, interaction) {\n\t    var pointer = pointers.length > 1 ? pointerAverage(pointers) : pointers[0];\n\t\n\t    _getPageXY(pointer, tmpXY, interaction);\n\t    targetObj.page.x = tmpXY.x;\n\t    targetObj.page.y = tmpXY.y;\n\t\n\t    _getClientXY(pointer, tmpXY, interaction);\n\t    targetObj.client.x = tmpXY.x;\n\t    targetObj.client.y = tmpXY.y;\n\t\n\t    targetObj.timeStamp = new Date().getTime();\n\t  }\n\t\n\t  function setEventDeltas(targetObj, prev, cur) {\n\t    targetObj.page.x = cur.page.x - prev.page.x;\n\t    targetObj.page.y = cur.page.y - prev.page.y;\n\t    targetObj.client.x = cur.client.x - prev.client.x;\n\t    targetObj.client.y = cur.client.y - prev.client.y;\n\t    targetObj.timeStamp = new Date().getTime() - prev.timeStamp;\n\t\n\t    // set pointer velocity\n\t    var dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\t    targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n\t    targetObj.page.vx = targetObj.page.x / dt;\n\t    targetObj.page.vy = targetObj.page.y / dt;\n\t\n\t    targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n\t    targetObj.client.vx = targetObj.client.x / dt;\n\t    targetObj.client.vy = targetObj.client.y / dt;\n\t  }\n\t\n\t  function isNativePointer(pointer) {\n\t    return pointer instanceof window.Event || supportsTouch && window.Touch && pointer instanceof window.Touch;\n\t  }\n\t\n\t  // Get specified X/Y coords for mouse or event.touches[0]\n\t  function getXY(type, pointer, xy) {\n\t    xy = xy || {};\n\t    type = type || 'page';\n\t\n\t    xy.x = pointer[type + 'X'];\n\t    xy.y = pointer[type + 'Y'];\n\t\n\t    return xy;\n\t  }\n\t\n\t  function _getPageXY(pointer, page) {\n\t    page = page || {};\n\t\n\t    // Opera Mobile handles the viewport and scrolling oddly\n\t    if (isOperaMobile && isNativePointer(pointer)) {\n\t      getXY('screen', pointer, page);\n\t\n\t      page.x += window.scrollX;\n\t      page.y += window.scrollY;\n\t    } else {\n\t      getXY('page', pointer, page);\n\t    }\n\t\n\t    return page;\n\t  }\n\t\n\t  function _getClientXY(pointer, client) {\n\t    client = client || {};\n\t\n\t    if (isOperaMobile && isNativePointer(pointer)) {\n\t      // Opera Mobile handles the viewport and scrolling oddly\n\t      getXY('screen', pointer, client);\n\t    } else {\n\t      getXY('client', pointer, client);\n\t    }\n\t\n\t    return client;\n\t  }\n\t\n\t  function getScrollXY(win) {\n\t    win = win || window;\n\t    return {\n\t      x: win.scrollX || win.document.documentElement.scrollLeft,\n\t      y: win.scrollY || win.document.documentElement.scrollTop\n\t    };\n\t  }\n\t\n\t  function getPointerId(pointer) {\n\t    return isNumber(pointer.pointerId) ? pointer.pointerId : pointer.identifier;\n\t  }\n\t\n\t  function getActualElement(element) {\n\t    return element instanceof SVGElementInstance ? element.correspondingUseElement : element;\n\t  }\n\t\n\t  function getWindow(node) {\n\t    if (isWindow(node)) {\n\t      return node;\n\t    }\n\t\n\t    var rootNode = node.ownerDocument || node;\n\t\n\t    return rootNode.defaultView || rootNode.parentWindow || window;\n\t  }\n\t\n\t  function getElementClientRect(element) {\n\t    var clientRect = element instanceof SVGElement ? element.getBoundingClientRect() : element.getClientRects()[0];\n\t\n\t    return clientRect && {\n\t      left: clientRect.left,\n\t      right: clientRect.right,\n\t      top: clientRect.top,\n\t      bottom: clientRect.bottom,\n\t      width: clientRect.width || clientRect.right - clientRect.left,\n\t      height: clientRect.height || clientRect.bottom - clientRect.top\n\t    };\n\t  }\n\t\n\t  function getElementRect(element) {\n\t    var clientRect = getElementClientRect(element);\n\t\n\t    if (!isIOS7 && clientRect) {\n\t      var scroll = getScrollXY(getWindow(element));\n\t\n\t      clientRect.left += scroll.x;\n\t      clientRect.right += scroll.x;\n\t      clientRect.top += scroll.y;\n\t      clientRect.bottom += scroll.y;\n\t    }\n\t\n\t    return clientRect;\n\t  }\n\t\n\t  function getTouchPair(event) {\n\t    var touches = [];\n\t\n\t    // array of touches is supplied\n\t    if (isArray(event)) {\n\t      touches[0] = event[0];\n\t      touches[1] = event[1];\n\t    }\n\t    // an event\n\t    else {\n\t        if (event.type === 'touchend') {\n\t          if (event.touches.length === 1) {\n\t            touches[0] = event.touches[0];\n\t            touches[1] = event.changedTouches[0];\n\t          } else if (event.touches.length === 0) {\n\t            touches[0] = event.changedTouches[0];\n\t            touches[1] = event.changedTouches[1];\n\t          }\n\t        } else {\n\t          touches[0] = event.touches[0];\n\t          touches[1] = event.touches[1];\n\t        }\n\t      }\n\t\n\t    return touches;\n\t  }\n\t\n\t  function pointerAverage(pointers) {\n\t    var average = {\n\t      pageX: 0,\n\t      pageY: 0,\n\t      clientX: 0,\n\t      clientY: 0,\n\t      screenX: 0,\n\t      screenY: 0\n\t    };\n\t    var prop;\n\t\n\t    for (var i = 0; i < pointers.length; i++) {\n\t      for (prop in average) {\n\t        average[prop] += pointers[i][prop];\n\t      }\n\t    }\n\t    for (prop in average) {\n\t      average[prop] /= pointers.length;\n\t    }\n\t\n\t    return average;\n\t  }\n\t\n\t  function touchBBox(event) {\n\t    if (!event.length && !(event.touches && event.touches.length > 1)) {\n\t      return;\n\t    }\n\t\n\t    var touches = getTouchPair(event),\n\t        minX = Math.min(touches[0].pageX, touches[1].pageX),\n\t        minY = Math.min(touches[0].pageY, touches[1].pageY),\n\t        maxX = Math.max(touches[0].pageX, touches[1].pageX),\n\t        maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\t\n\t    return {\n\t      x: minX,\n\t      y: minY,\n\t      left: minX,\n\t      top: minY,\n\t      width: maxX - minX,\n\t      height: maxY - minY\n\t    };\n\t  }\n\t\n\t  function touchDistance(event, deltaSource) {\n\t    deltaSource = deltaSource || defaultOptions.deltaSource;\n\t\n\t    var sourceX = deltaSource + 'X',\n\t        sourceY = deltaSource + 'Y',\n\t        touches = getTouchPair(event);\n\t\n\t    var dx = touches[0][sourceX] - touches[1][sourceX],\n\t        dy = touches[0][sourceY] - touches[1][sourceY];\n\t\n\t    return hypot(dx, dy);\n\t  }\n\t\n\t  function touchAngle(event, prevAngle, deltaSource) {\n\t    deltaSource = deltaSource || defaultOptions.deltaSource;\n\t\n\t    var sourceX = deltaSource + 'X',\n\t        sourceY = deltaSource + 'Y',\n\t        touches = getTouchPair(event),\n\t        dx = touches[0][sourceX] - touches[1][sourceX],\n\t        dy = touches[0][sourceY] - touches[1][sourceY],\n\t        angle = 180 * Math.atan(dy / dx) / Math.PI;\n\t\n\t    if (isNumber(prevAngle)) {\n\t      var dr = angle - prevAngle,\n\t          drClamped = dr % 360;\n\t\n\t      if (drClamped > 315) {\n\t        angle -= 360 + angle / 360 | 0 * 360;\n\t      } else if (drClamped > 135) {\n\t        angle -= 180 + angle / 360 | 0 * 360;\n\t      } else if (drClamped < -315) {\n\t        angle += 360 + angle / 360 | 0 * 360;\n\t      } else if (drClamped < -135) {\n\t        angle += 180 + angle / 360 | 0 * 360;\n\t      }\n\t    }\n\t\n\t    return angle;\n\t  }\n\t\n\t  function getOriginXY(interactable, element) {\n\t    var origin = interactable ? interactable.options.origin : defaultOptions.origin;\n\t\n\t    if (origin === 'parent') {\n\t      origin = parentElement(element);\n\t    } else if (origin === 'self') {\n\t      origin = interactable.getRect(element);\n\t    } else if (trySelector(origin)) {\n\t      origin = closest(element, origin) || { x: 0, y: 0 };\n\t    }\n\t\n\t    if (isFunction(origin)) {\n\t      origin = origin(interactable && element);\n\t    }\n\t\n\t    if (isElement(origin)) {\n\t      origin = getElementRect(origin);\n\t    }\n\t\n\t    origin.x = 'x' in origin ? origin.x : origin.left;\n\t    origin.y = 'y' in origin ? origin.y : origin.top;\n\t\n\t    return origin;\n\t  }\n\t\n\t  // http://stackoverflow.com/a/5634528/2280888\n\t  function _getQBezierValue(t, p1, p2, p3) {\n\t    var iT = 1 - t;\n\t    return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n\t  }\n\t\n\t  function getQuadraticCurvePoint(startX, startY, cpX, cpY, endX, endY, position) {\n\t    return {\n\t      x: _getQBezierValue(position, startX, cpX, endX),\n\t      y: _getQBezierValue(position, startY, cpY, endY)\n\t    };\n\t  }\n\t\n\t  // http://gizma.com/easing/\n\t  function easeOutQuad(t, b, c, d) {\n\t    t /= d;\n\t    return -c * t * (t - 2) + b;\n\t  }\n\t\n\t  function nodeContains(parent, child) {\n\t    while (child) {\n\t      if (child === parent) {\n\t        return true;\n\t      }\n\t\n\t      child = child.parentNode;\n\t    }\n\t\n\t    return false;\n\t  }\n\t\n\t  function closest(child, selector) {\n\t    var parent = parentElement(child);\n\t\n\t    while (isElement(parent)) {\n\t      if (matchesSelector(parent, selector)) {\n\t        return parent;\n\t      }\n\t\n\t      parent = parentElement(parent);\n\t    }\n\t\n\t    return null;\n\t  }\n\t\n\t  function parentElement(node) {\n\t    var parent = node.parentNode;\n\t\n\t    if (isDocFrag(parent)) {\n\t      // skip past #shado-root fragments\n\t      while ((parent = parent.host) && isDocFrag(parent)) {}\n\t\n\t      return parent;\n\t    }\n\t\n\t    return parent;\n\t  }\n\t\n\t  function inContext(interactable, element) {\n\t    return interactable._context === element.ownerDocument || nodeContains(interactable._context, element);\n\t  }\n\t\n\t  function testIgnore(interactable, interactableElement, element) {\n\t    var ignoreFrom = interactable.options.ignoreFrom;\n\t\n\t    if (!ignoreFrom || !isElement(element)) {\n\t      return false;\n\t    }\n\t\n\t    if (isString(ignoreFrom)) {\n\t      return matchesUpTo(element, ignoreFrom, interactableElement);\n\t    } else if (isElement(ignoreFrom)) {\n\t      return nodeContains(ignoreFrom, element);\n\t    }\n\t\n\t    return false;\n\t  }\n\t\n\t  function testAllow(interactable, interactableElement, element) {\n\t    var allowFrom = interactable.options.allowFrom;\n\t\n\t    if (!allowFrom) {\n\t      return true;\n\t    }\n\t\n\t    if (!isElement(element)) {\n\t      return false;\n\t    }\n\t\n\t    if (isString(allowFrom)) {\n\t      return matchesUpTo(element, allowFrom, interactableElement);\n\t    } else if (isElement(allowFrom)) {\n\t      return nodeContains(allowFrom, element);\n\t    }\n\t\n\t    return false;\n\t  }\n\t\n\t  function checkAxis(axis, interactable) {\n\t    if (!interactable) {\n\t      return false;\n\t    }\n\t\n\t    var thisAxis = interactable.options.drag.axis;\n\t\n\t    return axis === 'xy' || thisAxis === 'xy' || thisAxis === axis;\n\t  }\n\t\n\t  function checkSnap(interactable, action) {\n\t    var options = interactable.options;\n\t\n\t    if (/^resize/.test(action)) {\n\t      action = 'resize';\n\t    }\n\t\n\t    return options[action].snap && options[action].snap.enabled;\n\t  }\n\t\n\t  function checkRestrict(interactable, action) {\n\t    var options = interactable.options;\n\t\n\t    if (/^resize/.test(action)) {\n\t      action = 'resize';\n\t    }\n\t\n\t    return options[action].restrict && options[action].restrict.enabled;\n\t  }\n\t\n\t  function checkAutoScroll(interactable, action) {\n\t    var options = interactable.options;\n\t\n\t    if (/^resize/.test(action)) {\n\t      action = 'resize';\n\t    }\n\t\n\t    return options[action].autoScroll && options[action].autoScroll.enabled;\n\t  }\n\t\n\t  function withinInteractionLimit(interactable, element, action) {\n\t    var options = interactable.options,\n\t        maxActions = options[action.name].max,\n\t        maxPerElement = options[action.name].maxPerElement,\n\t        activeInteractions = 0,\n\t        targetCount = 0,\n\t        targetElementCount = 0;\n\t\n\t    for (var i = 0, len = interactions.length; i < len; i++) {\n\t      var interaction = interactions[i],\n\t          otherAction = interaction.prepared.name,\n\t          active = interaction.interacting();\n\t\n\t      if (!active) {\n\t        continue;\n\t      }\n\t\n\t      activeInteractions++;\n\t\n\t      if (activeInteractions >= maxInteractions) {\n\t        return false;\n\t      }\n\t\n\t      if (interaction.target !== interactable) {\n\t        continue;\n\t      }\n\t\n\t      targetCount += otherAction === action.name | 0;\n\t\n\t      if (targetCount >= maxActions) {\n\t        return false;\n\t      }\n\t\n\t      if (interaction.element === element) {\n\t        targetElementCount++;\n\t\n\t        if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n\t          return false;\n\t        }\n\t      }\n\t    }\n\t\n\t    return maxInteractions > 0;\n\t  }\n\t\n\t  // Test for the element that's \"above\" all other qualifiers\n\t  function indexOfDeepestElement(elements) {\n\t    var dropzone,\n\t        deepestZone = elements[0],\n\t        index = deepestZone ? 0 : -1,\n\t        parent,\n\t        deepestZoneParents = [],\n\t        dropzoneParents = [],\n\t        child,\n\t        i,\n\t        n;\n\t\n\t    for (i = 1; i < elements.length; i++) {\n\t      dropzone = elements[i];\n\t\n\t      // an element might belong to multiple selector dropzones\n\t      if (!dropzone || dropzone === deepestZone) {\n\t        continue;\n\t      }\n\t\n\t      if (!deepestZone) {\n\t        deepestZone = dropzone;\n\t        index = i;\n\t        continue;\n\t      }\n\t\n\t      // check if the deepest or current are document.documentElement or document.rootElement\n\t      // - if the current dropzone is, do nothing and continue\n\t      if (dropzone.parentNode === dropzone.ownerDocument) {\n\t        continue;\n\t      }\n\t      // - if deepest is, update with the current dropzone and continue to next\n\t      else if (deepestZone.parentNode === dropzone.ownerDocument) {\n\t          deepestZone = dropzone;\n\t          index = i;\n\t          continue;\n\t        }\n\t\n\t      if (!deepestZoneParents.length) {\n\t        parent = deepestZone;\n\t        while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n\t          deepestZoneParents.unshift(parent);\n\t          parent = parent.parentNode;\n\t        }\n\t      }\n\t\n\t      // if this element is an svg element and the current deepest is\n\t      // an HTMLElement\n\t      if (deepestZone instanceof HTMLElement && dropzone instanceof SVGElement && !(dropzone instanceof SVGSVGElement)) {\n\t        if (dropzone === deepestZone.parentNode) {\n\t          continue;\n\t        }\n\t\n\t        parent = dropzone.ownerSVGElement;\n\t      } else {\n\t        parent = dropzone;\n\t      }\n\t\n\t      dropzoneParents = [];\n\t\n\t      while (parent.parentNode !== parent.ownerDocument) {\n\t        dropzoneParents.unshift(parent);\n\t        parent = parent.parentNode;\n\t      }\n\t\n\t      n = 0;\n\t\n\t      // get (position of last common ancestor) + 1\n\t      while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n\t        n++;\n\t      }\n\t\n\t      var parents = [dropzoneParents[n - 1], dropzoneParents[n], deepestZoneParents[n]];\n\t\n\t      child = parents[0].lastChild;\n\t\n\t      while (child) {\n\t        if (child === parents[1]) {\n\t          deepestZone = dropzone;\n\t          index = i;\n\t          deepestZoneParents = [];\n\t\n\t          break;\n\t        } else if (child === parents[2]) {\n\t          break;\n\t        }\n\t\n\t        child = child.previousSibling;\n\t      }\n\t    }\n\t\n\t    return index;\n\t  }\n\t\n\t  function Interaction() {\n\t    this.target = null; // current interactable being interacted with\n\t    this.element = null; // the target element of the interactable\n\t    this.dropTarget = null; // the dropzone a drag target might be dropped into\n\t    this.dropElement = null; // the element at the time of checking\n\t    this.prevDropTarget = null; // the dropzone that was recently dragged away from\n\t    this.prevDropElement = null; // the element at the time of checking\n\t\n\t    this.prepared = { // action that's ready to be fired on next move event\n\t      name: null,\n\t      axis: null,\n\t      edges: null\n\t    };\n\t\n\t    this.matches = []; // all selectors that are matched by target element\n\t    this.matchElements = []; // corresponding elements\n\t\n\t    this.inertiaStatus = {\n\t      active: false,\n\t      smoothEnd: false,\n\t      ending: false,\n\t\n\t      startEvent: null,\n\t      upCoords: {},\n\t\n\t      xe: 0, ye: 0,\n\t      sx: 0, sy: 0,\n\t\n\t      t0: 0,\n\t      vx0: 0, vys: 0,\n\t      duration: 0,\n\t\n\t      resumeDx: 0,\n\t      resumeDy: 0,\n\t\n\t      lambda_v0: 0,\n\t      one_ve_v0: 0,\n\t      i: null\n\t    };\n\t\n\t    if (isFunction(Function.prototype.bind)) {\n\t      this.boundInertiaFrame = this.inertiaFrame.bind(this);\n\t      this.boundSmoothEndFrame = this.smoothEndFrame.bind(this);\n\t    } else {\n\t      var that = this;\n\t\n\t      this.boundInertiaFrame = function () {\n\t        return that.inertiaFrame();\n\t      };\n\t      this.boundSmoothEndFrame = function () {\n\t        return that.smoothEndFrame();\n\t      };\n\t    }\n\t\n\t    this.activeDrops = {\n\t      dropzones: [], // the dropzones that are mentioned below\n\t      elements: [], // elements of dropzones that accept the target draggable\n\t      rects: [] // the rects of the elements mentioned above\n\t    };\n\t\n\t    // keep track of added pointers\n\t    this.pointers = [];\n\t    this.pointerIds = [];\n\t    this.downTargets = [];\n\t    this.downTimes = [];\n\t    this.holdTimers = [];\n\t\n\t    // Previous native pointer move event coordinates\n\t    this.prevCoords = {\n\t      page: { x: 0, y: 0 },\n\t      client: { x: 0, y: 0 },\n\t      timeStamp: 0\n\t    };\n\t    // current native pointer move event coordinates\n\t    this.curCoords = {\n\t      page: { x: 0, y: 0 },\n\t      client: { x: 0, y: 0 },\n\t      timeStamp: 0\n\t    };\n\t\n\t    // Starting InteractEvent pointer coordinates\n\t    this.startCoords = {\n\t      page: { x: 0, y: 0 },\n\t      client: { x: 0, y: 0 },\n\t      timeStamp: 0\n\t    };\n\t\n\t    // Change in coordinates and time of the pointer\n\t    this.pointerDelta = {\n\t      page: { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n\t      client: { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n\t      timeStamp: 0\n\t    };\n\t\n\t    this.downEvent = null; // pointerdown/mousedown/touchstart event\n\t    this.downPointer = {};\n\t\n\t    this._eventTarget = null;\n\t    this._curEventTarget = null;\n\t\n\t    this.prevEvent = null; // previous action event\n\t    this.tapTime = 0; // time of the most recent tap event\n\t    this.prevTap = null;\n\t\n\t    this.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n\t    this.restrictOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n\t    this.snapOffsets = [];\n\t\n\t    this.gesture = {\n\t      start: { x: 0, y: 0 },\n\t\n\t      startDistance: 0, // distance between two touches of touchStart\n\t      prevDistance: 0,\n\t      distance: 0,\n\t\n\t      scale: 1, // gesture.distance / gesture.startDistance\n\t\n\t      startAngle: 0, // angle of line joining two touches\n\t      prevAngle: 0 // angle of the previous gesture event\n\t    };\n\t\n\t    this.snapStatus = {\n\t      x: 0, y: 0,\n\t      dx: 0, dy: 0,\n\t      realX: 0, realY: 0,\n\t      snappedX: 0, snappedY: 0,\n\t      targets: [],\n\t      locked: false,\n\t      changed: false\n\t    };\n\t\n\t    this.restrictStatus = {\n\t      dx: 0, dy: 0,\n\t      restrictedX: 0, restrictedY: 0,\n\t      snap: null,\n\t      restricted: false,\n\t      changed: false\n\t    };\n\t\n\t    this.restrictStatus.snap = this.snapStatus;\n\t\n\t    this.pointerIsDown = false;\n\t    this.pointerWasMoved = false;\n\t    this.gesturing = false;\n\t    this.dragging = false;\n\t    this.resizing = false;\n\t    this.resizeAxes = 'xy';\n\t\n\t    this.mouse = false;\n\t\n\t    interactions.push(this);\n\t  }\n\t\n\t  Interaction.prototype = {\n\t    getPageXY: function getPageXY(pointer, xy) {\n\t      return _getPageXY(pointer, xy, this);\n\t    },\n\t    getClientXY: function getClientXY(pointer, xy) {\n\t      return _getClientXY(pointer, xy, this);\n\t    },\n\t    setEventXY: function setEventXY(target, ptr) {\n\t      return _setEventXY(target, ptr, this);\n\t    },\n\t\n\t    pointerOver: function pointerOver(pointer, event, eventTarget) {\n\t      if (this.prepared.name || !this.mouse) {\n\t        return;\n\t      }\n\t\n\t      var curMatches = [],\n\t          curMatchElements = [],\n\t          prevTargetElement = this.element;\n\t\n\t      this.addPointer(pointer);\n\t\n\t      if (this.target && (testIgnore(this.target, this.element, eventTarget) || !testAllow(this.target, this.element, eventTarget))) {\n\t        // if the eventTarget should be ignored or shouldn't be allowed\n\t        // clear the previous target\n\t        this.target = null;\n\t        this.element = null;\n\t        this.matches = [];\n\t        this.matchElements = [];\n\t      }\n\t\n\t      var elementInteractable = interactables.get(eventTarget),\n\t          elementAction = elementInteractable && !testIgnore(elementInteractable, eventTarget, eventTarget) && testAllow(elementInteractable, eventTarget, eventTarget) && validateAction(elementInteractable.getAction(pointer, event, this, eventTarget), elementInteractable);\n\t\n\t      if (elementAction && !withinInteractionLimit(elementInteractable, eventTarget, elementAction)) {\n\t        elementAction = null;\n\t      }\n\t\n\t      function pushCurMatches(interactable, selector) {\n\t        if (interactable && inContext(interactable, eventTarget) && !testIgnore(interactable, eventTarget, eventTarget) && testAllow(interactable, eventTarget, eventTarget) && matchesSelector(eventTarget, selector)) {\n\t          curMatches.push(interactable);\n\t          curMatchElements.push(eventTarget);\n\t        }\n\t      }\n\t\n\t      if (elementAction) {\n\t        this.target = elementInteractable;\n\t        this.element = eventTarget;\n\t        this.matches = [];\n\t        this.matchElements = [];\n\t      } else {\n\t        interactables.forEachSelector(pushCurMatches);\n\t\n\t        if (this.validateSelector(pointer, event, curMatches, curMatchElements)) {\n\t          this.matches = curMatches;\n\t          this.matchElements = curMatchElements;\n\t\n\t          this.pointerHover(pointer, event, this.matches, this.matchElements);\n\t          events.add(eventTarget, supportsPointerEvent ? pEventTypes.move : 'mousemove', listeners.pointerHover);\n\t        } else if (this.target) {\n\t          if (nodeContains(prevTargetElement, eventTarget)) {\n\t            this.pointerHover(pointer, event, this.matches, this.matchElements);\n\t            events.add(this.element, supportsPointerEvent ? pEventTypes.move : 'mousemove', listeners.pointerHover);\n\t          } else {\n\t            this.target = null;\n\t            this.element = null;\n\t            this.matches = [];\n\t            this.matchElements = [];\n\t          }\n\t        }\n\t      }\n\t    },\n\t\n\t    // Check what action would be performed on pointerMove target if a mouse\n\t    // button were pressed and change the cursor accordingly\n\t    pointerHover: function pointerHover(pointer, event, eventTarget, curEventTarget, matches, matchElements) {\n\t      var target = this.target;\n\t\n\t      if (!this.prepared.name && this.mouse) {\n\t        var action;\n\t\n\t        // update pointer coords for defaultActionChecker to use\n\t        this.setEventXY(this.curCoords, [pointer]);\n\t\n\t        if (matches) {\n\t          action = this.validateSelector(pointer, event, matches, matchElements);\n\t        } else if (target) {\n\t          action = validateAction(target.getAction(this.pointers[0], event, this, this.element), this.target);\n\t        }\n\t\n\t        if (target && target.options.styleCursor) {\n\t          if (action) {\n\t            target._doc.documentElement.style.cursor = getActionCursor(action);\n\t          } else {\n\t            target._doc.documentElement.style.cursor = '';\n\t          }\n\t        }\n\t      } else if (this.prepared.name) {\n\t        this.checkAndPreventDefault(event, target, this.element);\n\t      }\n\t    },\n\t\n\t    pointerOut: function pointerOut(pointer, event, eventTarget) {\n\t      if (this.prepared.name) {\n\t        return;\n\t      }\n\t\n\t      // Remove temporary event listeners for selector Interactables\n\t      if (!interactables.get(eventTarget)) {\n\t        events.remove(eventTarget, supportsPointerEvent ? pEventTypes.move : 'mousemove', listeners.pointerHover);\n\t      }\n\t\n\t      if (this.target && this.target.options.styleCursor && !this.interacting()) {\n\t        this.target._doc.documentElement.style.cursor = '';\n\t      }\n\t    },\n\t\n\t    selectorDown: function selectorDown(pointer, event, eventTarget, curEventTarget) {\n\t      var that = this,\n\t\n\t      // copy event to be used in timeout for IE8\n\t      eventCopy = events.useAttachEvent ? extend({}, event) : event,\n\t          element = eventTarget,\n\t          pointerIndex = this.addPointer(pointer),\n\t          action;\n\t\n\t      this.holdTimers[pointerIndex] = setTimeout(function () {\n\t        that.pointerHold(events.useAttachEvent ? eventCopy : pointer, eventCopy, eventTarget, curEventTarget);\n\t      }, defaultOptions._holdDuration);\n\t\n\t      this.pointerIsDown = true;\n\t\n\t      // Check if the down event hits the current inertia target\n\t      if (this.inertiaStatus.active && this.target.selector) {\n\t        // climb up the DOM tree from the event target\n\t        while (isElement(element)) {\n\t          // if this element is the current inertia target element\n\t          if (element === this.element\n\t          // and the prospective action is the same as the ongoing one\n\t          && validateAction(this.target.getAction(pointer, event, this, this.element), this.target).name === this.prepared.name) {\n\t            // stop inertia so that the next move will be a normal one\n\t            cancelFrame(this.inertiaStatus.i);\n\t            this.inertiaStatus.active = false;\n\t\n\t            this.collectEventTargets(pointer, event, eventTarget, 'down');\n\t            return;\n\t          }\n\t          element = parentElement(element);\n\t        }\n\t      }\n\t\n\t      // do nothing if interacting\n\t      if (this.interacting()) {\n\t        this.collectEventTargets(pointer, event, eventTarget, 'down');\n\t        return;\n\t      }\n\t\n\t      function pushMatches(interactable, selector, context) {\n\t        var elements = ie8MatchesSelector ? context.querySelectorAll(selector) : undefined;\n\t\n\t        if (inContext(interactable, element) && !testIgnore(interactable, element, eventTarget) && testAllow(interactable, element, eventTarget) && matchesSelector(element, selector, elements)) {\n\t          that.matches.push(interactable);\n\t          that.matchElements.push(element);\n\t        }\n\t      }\n\t\n\t      // update pointer coords for defaultActionChecker to use\n\t      this.setEventXY(this.curCoords, [pointer]);\n\t      this.downEvent = event;\n\t\n\t      while (isElement(element) && !action) {\n\t        this.matches = [];\n\t        this.matchElements = [];\n\t\n\t        interactables.forEachSelector(pushMatches);\n\t\n\t        action = this.validateSelector(pointer, event, this.matches, this.matchElements);\n\t        element = parentElement(element);\n\t      }\n\t\n\t      if (action) {\n\t        this.prepared.name = action.name;\n\t        this.prepared.axis = action.axis;\n\t        this.prepared.edges = action.edges;\n\t\n\t        this.collectEventTargets(pointer, event, eventTarget, 'down');\n\t\n\t        return this.pointerDown(pointer, event, eventTarget, curEventTarget, action);\n\t      } else {\n\t        // do these now since pointerDown isn't being called from here\n\t        this.downTimes[pointerIndex] = new Date().getTime();\n\t        this.downTargets[pointerIndex] = eventTarget;\n\t        pointerExtend(this.downPointer, pointer);\n\t\n\t        copyCoords(this.prevCoords, this.curCoords);\n\t        this.pointerWasMoved = false;\n\t      }\n\t\n\t      this.collectEventTargets(pointer, event, eventTarget, 'down');\n\t    },\n\t\n\t    // Determine action to be performed on next pointerMove and add appropriate\n\t    // style and event Listeners\n\t    pointerDown: function pointerDown(pointer, event, eventTarget, curEventTarget, forceAction) {\n\t      if (!forceAction && !this.inertiaStatus.active && this.pointerWasMoved && this.prepared.name) {\n\t        this.checkAndPreventDefault(event, this.target, this.element);\n\t\n\t        return;\n\t      }\n\t\n\t      this.pointerIsDown = true;\n\t      this.downEvent = event;\n\t\n\t      var pointerIndex = this.addPointer(pointer),\n\t          action;\n\t\n\t      // If it is the second touch of a multi-touch gesture, keep the\n\t      // target the same and get a new action if a target was set by the\n\t      // first touch\n\t      if (this.pointerIds.length > 1 && this.target._element === this.element) {\n\t        var newAction = validateAction(forceAction || this.target.getAction(pointer, event, this, this.element), this.target);\n\t\n\t        if (withinInteractionLimit(this.target, this.element, newAction)) {\n\t          action = newAction;\n\t        }\n\t\n\t        this.prepared.name = null;\n\t      }\n\t      // Otherwise, set the target if there is no action prepared\n\t      else if (!this.prepared.name) {\n\t          var interactable = interactables.get(curEventTarget);\n\t\n\t          if (interactable && !testIgnore(interactable, curEventTarget, eventTarget) && testAllow(interactable, curEventTarget, eventTarget) && (action = validateAction(forceAction || interactable.getAction(pointer, event, this, curEventTarget), interactable, eventTarget)) && withinInteractionLimit(interactable, curEventTarget, action)) {\n\t            this.target = interactable;\n\t            this.element = curEventTarget;\n\t          }\n\t        }\n\t\n\t      var target = this.target,\n\t          options = target && target.options;\n\t\n\t      if (target && (forceAction || !this.prepared.name)) {\n\t        action = action || validateAction(forceAction || target.getAction(pointer, event, this, curEventTarget), target, this.element);\n\t\n\t        this.setEventXY(this.startCoords, this.pointers);\n\t\n\t        if (!action) {\n\t          return;\n\t        }\n\t\n\t        if (options.styleCursor) {\n\t          target._doc.documentElement.style.cursor = getActionCursor(action);\n\t        }\n\t\n\t        this.resizeAxes = action.name === 'resize' ? action.axis : null;\n\t\n\t        if (action === 'gesture' && this.pointerIds.length < 2) {\n\t          action = null;\n\t        }\n\t\n\t        this.prepared.name = action.name;\n\t        this.prepared.axis = action.axis;\n\t        this.prepared.edges = action.edges;\n\t\n\t        this.snapStatus.snappedX = this.snapStatus.snappedY = this.restrictStatus.restrictedX = this.restrictStatus.restrictedY = NaN;\n\t\n\t        this.downTimes[pointerIndex] = new Date().getTime();\n\t        this.downTargets[pointerIndex] = eventTarget;\n\t        pointerExtend(this.downPointer, pointer);\n\t\n\t        copyCoords(this.prevCoords, this.startCoords);\n\t        this.pointerWasMoved = false;\n\t\n\t        this.checkAndPreventDefault(event, target, this.element);\n\t      }\n\t      // if inertia is active try to resume action\n\t      else if (this.inertiaStatus.active && curEventTarget === this.element && validateAction(target.getAction(pointer, event, this, this.element), target).name === this.prepared.name) {\n\t          cancelFrame(this.inertiaStatus.i);\n\t          this.inertiaStatus.active = false;\n\t\n\t          this.checkAndPreventDefault(event, target, this.element);\n\t        }\n\t    },\n\t\n\t    setModifications: function setModifications(coords, preEnd) {\n\t      var target = this.target,\n\t          shouldMove = true,\n\t          shouldSnap = checkSnap(target, this.prepared.name) && (!target.options[this.prepared.name].snap.endOnly || preEnd),\n\t          shouldRestrict = checkRestrict(target, this.prepared.name) && (!target.options[this.prepared.name].restrict.endOnly || preEnd);\n\t\n\t      if (shouldSnap) {\n\t        this.setSnapping(coords);\n\t      } else {\n\t        this.snapStatus.locked = false;\n\t      }\n\t      if (shouldRestrict) {\n\t        this.setRestriction(coords);\n\t      } else {\n\t        this.restrictStatus.restricted = false;\n\t      }\n\t\n\t      if (shouldSnap && this.snapStatus.locked && !this.snapStatus.changed) {\n\t        shouldMove = shouldRestrict && this.restrictStatus.restricted && this.restrictStatus.changed;\n\t      } else if (shouldRestrict && this.restrictStatus.restricted && !this.restrictStatus.changed) {\n\t        shouldMove = false;\n\t      }\n\t\n\t      return shouldMove;\n\t    },\n\t\n\t    setStartOffsets: function setStartOffsets(action, interactable, element) {\n\t      var rect = interactable.getRect(element),\n\t          origin = getOriginXY(interactable, element),\n\t          snap = interactable.options[this.prepared.name].snap,\n\t          restrict = interactable.options[this.prepared.name].restrict,\n\t          width,\n\t          height;\n\t\n\t      if (rect) {\n\t        this.startOffset.left = this.startCoords.page.x - rect.left;\n\t        this.startOffset.top = this.startCoords.page.y - rect.top;\n\t\n\t        this.startOffset.right = rect.right - this.startCoords.page.x;\n\t        this.startOffset.bottom = rect.bottom - this.startCoords.page.y;\n\t\n\t        if ('width' in rect) {\n\t          width = rect.width;\n\t        } else {\n\t          width = rect.right - rect.left;\n\t        }\n\t        if ('height' in rect) {\n\t          height = rect.height;\n\t        } else {\n\t          height = rect.bottom - rect.top;\n\t        }\n\t      } else {\n\t        this.startOffset.left = this.startOffset.top = this.startOffset.right = this.startOffset.bottom = 0;\n\t      }\n\t\n\t      this.snapOffsets.splice(0);\n\t\n\t      var snapOffset = snap && snap.offset === 'startCoords' ? {\n\t        x: this.startCoords.page.x - origin.x,\n\t        y: this.startCoords.page.y - origin.y\n\t      } : snap && snap.offset || { x: 0, y: 0 };\n\t\n\t      if (rect && snap && snap.relativePoints && snap.relativePoints.length) {\n\t        for (var i = 0; i < snap.relativePoints.length; i++) {\n\t          this.snapOffsets.push({\n\t            x: this.startOffset.left - width * snap.relativePoints[i].x + snapOffset.x,\n\t            y: this.startOffset.top - height * snap.relativePoints[i].y + snapOffset.y\n\t          });\n\t        }\n\t      } else {\n\t        this.snapOffsets.push(snapOffset);\n\t      }\n\t\n\t      if (rect && restrict.elementRect) {\n\t        this.restrictOffset.left = this.startOffset.left - width * restrict.elementRect.left;\n\t        this.restrictOffset.top = this.startOffset.top - height * restrict.elementRect.top;\n\t\n\t        this.restrictOffset.right = this.startOffset.right - width * (1 - restrict.elementRect.right);\n\t        this.restrictOffset.bottom = this.startOffset.bottom - height * (1 - restrict.elementRect.bottom);\n\t      } else {\n\t        this.restrictOffset.left = this.restrictOffset.top = this.restrictOffset.right = this.restrictOffset.bottom = 0;\n\t      }\n\t    },\n\t\n\t    /* \\\r\n\t     * Interaction.start\r\n\t     [ method ]\r\n\t     *\r\n\t     * Start an action with the given Interactable and Element as tartgets. The\r\n\t     * action must be enabled for the target Interactable and an appropriate number\r\n\t     * of pointers must be held down – 1 for drag/resize, 2 for gesture.\r\n\t     *\r\n\t     * Use it with `interactable.<action>able({ manualStart: false })` to always\r\n\t     * [start actions manually](https://github.com/taye/interact.js/issues/114)\r\n\t     *\r\n\t     - action       (object)  The action to be performed - drag, resize, etc.\r\n\t     - interactable (Interactable) The Interactable to target\r\n\t     - element      (Element) The DOM Element to target\r\n\t     = (object) interact\r\n\t     **\r\n\t     | interact(target)\r\n\t     |   .draggable({\r\n\t     |     // disable the default drag start by down->move\r\n\t     |     manualStart: true\r\n\t     |   })\r\n\t     |   // start dragging after the user holds the pointer down\r\n\t     |   .on('hold', function (event) {\r\n\t     |     var interaction = event.interaction;\r\n\t     |\r\n\t     |     if (!interaction.interacting()) {\r\n\t     |       interaction.start({ name: 'drag' },\r\n\t     |                         event.interactable,\r\n\t     |                         event.currentTarget);\r\n\t     |     }\r\n\t     | });\r\n\t    \\*/\n\t    start: function start(action, interactable, element) {\n\t      if (this.interacting() || !this.pointerIsDown || this.pointerIds.length < (action.name === 'gesture' ? 2 : 1)) {\n\t        return;\n\t      }\n\t\n\t      // if this interaction had been removed after stopping\n\t      // add it back\n\t      if (indexOf(interactions, this) === -1) {\n\t        interactions.push(this);\n\t      }\n\t\n\t      // set the startCoords if there was no prepared action\n\t      if (!this.prepared.name) {\n\t        this.setEventXY(this.startCoords);\n\t      }\n\t\n\t      this.prepared.name = action.name;\n\t      this.prepared.axis = action.axis;\n\t      this.prepared.edges = action.edges;\n\t      this.target = interactable;\n\t      this.element = element;\n\t\n\t      this.setStartOffsets(action.name, interactable, element);\n\t      this.setModifications(this.startCoords.page);\n\t\n\t      this.prevEvent = this[this.prepared.name + 'Start'](this.downEvent);\n\t    },\n\t\n\t    pointerMove: function pointerMove(pointer, event, eventTarget, curEventTarget, preEnd) {\n\t      if (this.inertiaStatus.active) {\n\t        var pageUp = this.inertiaStatus.upCoords.page;\n\t        var clientUp = this.inertiaStatus.upCoords.client;\n\t\n\t        var inertiaPosition = {\n\t          pageX: pageUp.x + this.inertiaStatus.sx,\n\t          pageY: pageUp.y + this.inertiaStatus.sy,\n\t          clientX: clientUp.x + this.inertiaStatus.sx,\n\t          clientY: clientUp.y + this.inertiaStatus.sy\n\t        };\n\t\n\t        this.setEventXY(this.curCoords, [inertiaPosition]);\n\t      } else {\n\t        this.recordPointer(pointer);\n\t        this.setEventXY(this.curCoords, this.pointers);\n\t      }\n\t\n\t      var duplicateMove = this.curCoords.page.x === this.prevCoords.page.x && this.curCoords.page.y === this.prevCoords.page.y && this.curCoords.client.x === this.prevCoords.client.x && this.curCoords.client.y === this.prevCoords.client.y;\n\t\n\t      var dx,\n\t          dy,\n\t          pointerIndex = this.mouse ? 0 : indexOf(this.pointerIds, getPointerId(pointer));\n\t\n\t      // register movement greater than pointerMoveTolerance\n\t      if (this.pointerIsDown && !this.pointerWasMoved) {\n\t        dx = this.curCoords.client.x - this.startCoords.client.x;\n\t        dy = this.curCoords.client.y - this.startCoords.client.y;\n\t\n\t        this.pointerWasMoved = hypot(dx, dy) > pointerMoveTolerance;\n\t      }\n\t\n\t      if (!duplicateMove && (!this.pointerIsDown || this.pointerWasMoved)) {\n\t        if (this.pointerIsDown) {\n\t          clearTimeout(this.holdTimers[pointerIndex]);\n\t        }\n\t\n\t        this.collectEventTargets(pointer, event, eventTarget, 'move');\n\t      }\n\t\n\t      if (!this.pointerIsDown) {\n\t        return;\n\t      }\n\t\n\t      if (duplicateMove && this.pointerWasMoved && !preEnd) {\n\t        this.checkAndPreventDefault(event, this.target, this.element);\n\t        return;\n\t      }\n\t\n\t      // set pointer coordinate, time changes and speeds\n\t      setEventDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\t\n\t      if (!this.prepared.name) {\n\t        return;\n\t      }\n\t\n\t      if (this.pointerWasMoved\n\t      // ignore movement while inertia is active\n\t      && (!this.inertiaStatus.active || pointer instanceof InteractEvent && /inertiastart/.test(pointer.type))) {\n\t        // if just starting an action, calculate the pointer speed now\n\t        if (!this.interacting()) {\n\t          setEventDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\t\n\t          // check if a drag is in the correct axis\n\t          if (this.prepared.name === 'drag') {\n\t            var absX = Math.abs(dx),\n\t                absY = Math.abs(dy),\n\t                targetAxis = this.target.options.drag.axis,\n\t                axis = absX > absY ? 'x' : absX < absY ? 'y' : 'xy';\n\t\n\t            // if the movement isn't in the axis of the interactable\n\t            if (axis !== 'xy' && targetAxis !== 'xy' && targetAxis !== axis) {\n\t              // cancel the prepared action\n\t              this.prepared.name = null;\n\t\n\t              // then try to get a drag from another ineractable\n\t\n\t              var element = eventTarget;\n\t\n\t              // check element interactables\n\t              while (isElement(element)) {\n\t                var elementInteractable = interactables.get(element);\n\t\n\t                if (elementInteractable && elementInteractable !== this.target && !elementInteractable.options.drag.manualStart && elementInteractable.getAction(this.downPointer, this.downEvent, this, element).name === 'drag' && checkAxis(axis, elementInteractable)) {\n\t                  this.prepared.name = 'drag';\n\t                  this.target = elementInteractable;\n\t                  this.element = element;\n\t                  break;\n\t                }\n\t\n\t                element = parentElement(element);\n\t              }\n\t\n\t              // if there's no drag from element interactables,\n\t              // check the selector interactables\n\t              if (!this.prepared.name) {\n\t                var thisInteraction = this;\n\t\n\t                var getDraggable = function getDraggable(interactable, selector, context) {\n\t                  var elements = ie8MatchesSelector ? context.querySelectorAll(selector) : undefined;\n\t\n\t                  if (interactable === thisInteraction.target) {\n\t                    return;\n\t                  }\n\t\n\t                  if (inContext(interactable, eventTarget) && !interactable.options.drag.manualStart && !testIgnore(interactable, element, eventTarget) && testAllow(interactable, element, eventTarget) && matchesSelector(element, selector, elements) && interactable.getAction(thisInteraction.downPointer, thisInteraction.downEvent, thisInteraction, element).name === 'drag' && checkAxis(axis, interactable) && withinInteractionLimit(interactable, element, 'drag')) {\n\t                    return interactable;\n\t                  }\n\t                };\n\t\n\t                element = eventTarget;\n\t\n\t                while (isElement(element)) {\n\t                  var selectorInteractable = interactables.forEachSelector(getDraggable);\n\t\n\t                  if (selectorInteractable) {\n\t                    this.prepared.name = 'drag';\n\t                    this.target = selectorInteractable;\n\t                    this.element = element;\n\t                    break;\n\t                  }\n\t\n\t                  element = parentElement(element);\n\t                }\n\t              }\n\t            }\n\t          }\n\t        }\n\t\n\t        var starting = !!this.prepared.name && !this.interacting();\n\t\n\t        if (starting && (this.target.options[this.prepared.name].manualStart || !withinInteractionLimit(this.target, this.element, this.prepared))) {\n\t          this.stop(event);\n\t          return;\n\t        }\n\t\n\t        if (this.prepared.name && this.target) {\n\t          if (starting) {\n\t            this.start(this.prepared, this.target, this.element);\n\t          }\n\t\n\t          var shouldMove = this.setModifications(this.curCoords.page, preEnd);\n\t\n\t          // move if snapping or restriction doesn't prevent it\n\t          if (shouldMove || starting) {\n\t            this.prevEvent = this[this.prepared.name + 'Move'](event);\n\t          }\n\t\n\t          this.checkAndPreventDefault(event, this.target, this.element);\n\t        }\n\t      }\n\t\n\t      copyCoords(this.prevCoords, this.curCoords);\n\t\n\t      if (this.dragging || this.resizing) {\n\t        this.autoScrollMove(pointer);\n\t      }\n\t    },\n\t\n\t    dragStart: function dragStart(event) {\n\t      var dragEvent = new InteractEvent(this, event, 'drag', 'start', this.element);\n\t\n\t      dragEvent.originalEvent = event;\n\t      this.dragging = true;\n\t      this.target.fire(dragEvent);\n\t\n\t      // reset active dropzones\n\t      this.activeDrops.dropzones = [];\n\t      this.activeDrops.elements = [];\n\t      this.activeDrops.rects = [];\n\t\n\t      if (!this.dynamicDrop) {\n\t        this.setActiveDrops(this.element);\n\t      }\n\t\n\t      var dropEvents = this.getDropEvents(event, dragEvent);\n\t\n\t      if (dropEvents.activate) {\n\t        this.fireActiveDrops(dropEvents.activate);\n\t      }\n\t\n\t      return dragEvent;\n\t    },\n\t\n\t    dragMove: function dragMove(event) {\n\t      var target = this.target,\n\t          dragEvent = new InteractEvent(this, event, 'drag', 'move', this.element),\n\t          draggableElement = this.element,\n\t          drop = this.getDrop(dragEvent, event, draggableElement);\n\t\n\t      dragEvent.originalEvent = event;\n\t\n\t      this.dropTarget = drop.dropzone;\n\t      this.dropElement = drop.element;\n\t\n\t      var dropEvents = this.getDropEvents(event, dragEvent);\n\t\n\t      target.fire(dragEvent);\n\t\n\t      if (dropEvents.leave) {\n\t        this.prevDropTarget.fire(dropEvents.leave);\n\t      }\n\t      if (dropEvents.enter) {\n\t        this.dropTarget.fire(dropEvents.enter);\n\t      }\n\t      if (dropEvents.move) {\n\t        this.dropTarget.fire(dropEvents.move);\n\t      }\n\t\n\t      this.prevDropTarget = this.dropTarget;\n\t      this.prevDropElement = this.dropElement;\n\t\n\t      return dragEvent;\n\t    },\n\t\n\t    resizeStart: function resizeStart(event) {\n\t      var resizeEvent = new InteractEvent(this, event, 'resize', 'start', this.element);\n\t\n\t      if (this.prepared.edges) {\n\t        var startRect = this.target.getRect(this.element);\n\t\n\t        /*\r\n\t         * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\r\n\t         * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\r\n\t         * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\r\n\t         * on the active edges and the edge being interacted with.\r\n\t         */\n\t        if (this.target.options.resize.square || this.target.options.resize.preserveAspectRatio) {\n\t          var linkedEdges = extend({}, this.prepared.edges);\n\t\n\t          linkedEdges.top = linkedEdges.top || linkedEdges.left && !linkedEdges.bottom;\n\t          linkedEdges.left = linkedEdges.left || linkedEdges.top && !linkedEdges.right;\n\t          linkedEdges.bottom = linkedEdges.bottom || linkedEdges.right && !linkedEdges.top;\n\t          linkedEdges.right = linkedEdges.right || linkedEdges.bottom && !linkedEdges.left;\n\t\n\t          this.prepared._linkedEdges = linkedEdges;\n\t        } else {\n\t          this.prepared._linkedEdges = null;\n\t        }\n\t\n\t        // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n\t        if (this.target.options.resize.preserveAspectRatio) {\n\t          this.resizeStartAspectRatio = startRect.width / startRect.height;\n\t        }\n\t\n\t        this.resizeRects = {\n\t          start: startRect,\n\t          current: extend({}, startRect),\n\t          restricted: extend({}, startRect),\n\t          previous: extend({}, startRect),\n\t          delta: {\n\t            left: 0, right: 0, width: 0,\n\t            top: 0, bottom: 0, height: 0\n\t          }\n\t        };\n\t\n\t        resizeEvent.rect = this.resizeRects.restricted;\n\t        resizeEvent.deltaRect = this.resizeRects.delta;\n\t      }\n\t\n\t      this.target.fire(resizeEvent);\n\t\n\t      this.resizing = true;\n\t\n\t      return resizeEvent;\n\t    },\n\t\n\t    resizeMove: function resizeMove(event) {\n\t      var resizeEvent = new InteractEvent(this, event, 'resize', 'move', this.element);\n\t\n\t      var edges = this.prepared.edges,\n\t          invert = this.target.options.resize.invert,\n\t          invertible = invert === 'reposition' || invert === 'negate';\n\t\n\t      if (edges) {\n\t        var dx = resizeEvent.dx,\n\t            dy = resizeEvent.dy,\n\t            start = this.resizeRects.start,\n\t            current = this.resizeRects.current,\n\t            restricted = this.resizeRects.restricted,\n\t            delta = this.resizeRects.delta,\n\t            previous = extend(this.resizeRects.previous, restricted),\n\t            originalEdges = edges;\n\t\n\t        // `resize.preserveAspectRatio` takes precedence over `resize.square`\n\t        if (this.target.options.resize.preserveAspectRatio) {\n\t          var resizeStartAspectRatio = this.resizeStartAspectRatio;\n\t\n\t          edges = this.prepared._linkedEdges;\n\t\n\t          if (originalEdges.left && originalEdges.bottom || originalEdges.right && originalEdges.top) {\n\t            dy = -dx / resizeStartAspectRatio;\n\t          } else if (originalEdges.left || originalEdges.right) {\n\t            dy = dx / resizeStartAspectRatio;\n\t          } else if (originalEdges.top || originalEdges.bottom) {\n\t            dx = dy * resizeStartAspectRatio;\n\t          }\n\t        } else if (this.target.options.resize.square) {\n\t          edges = this.prepared._linkedEdges;\n\t\n\t          if (originalEdges.left && originalEdges.bottom || originalEdges.right && originalEdges.top) {\n\t            dy = -dx;\n\t          } else if (originalEdges.left || originalEdges.right) {\n\t            dy = dx;\n\t          } else if (originalEdges.top || originalEdges.bottom) {\n\t            dx = dy;\n\t          }\n\t        }\n\t\n\t        // update the 'current' rect without modifications\n\t        if (edges.top) {\n\t          current.top += dy;\n\t        }\n\t        if (edges.bottom) {\n\t          current.bottom += dy;\n\t        }\n\t        if (edges.left) {\n\t          current.left += dx;\n\t        }\n\t        if (edges.right) {\n\t          current.right += dx;\n\t        }\n\t\n\t        if (invertible) {\n\t          // if invertible, copy the current rect\n\t          extend(restricted, current);\n\t\n\t          if (invert === 'reposition') {\n\t            // swap edge values if necessary to keep width/height positive\n\t            var swap;\n\t\n\t            if (restricted.top > restricted.bottom) {\n\t              swap = restricted.top;\n\t\n\t              restricted.top = restricted.bottom;\n\t              restricted.bottom = swap;\n\t            }\n\t            if (restricted.left > restricted.right) {\n\t              swap = restricted.left;\n\t\n\t              restricted.left = restricted.right;\n\t              restricted.right = swap;\n\t            }\n\t          }\n\t        } else {\n\t          // if not invertible, restrict to minimum of 0x0 rect\n\t          restricted.top = Math.min(current.top, start.bottom);\n\t          restricted.bottom = Math.max(current.bottom, start.top);\n\t          restricted.left = Math.min(current.left, start.right);\n\t          restricted.right = Math.max(current.right, start.left);\n\t        }\n\t\n\t        restricted.width = restricted.right - restricted.left;\n\t        restricted.height = restricted.bottom - restricted.top;\n\t\n\t        for (var edge in restricted) {\n\t          delta[edge] = restricted[edge] - previous[edge];\n\t        }\n\t\n\t        resizeEvent.edges = this.prepared.edges;\n\t        resizeEvent.rect = restricted;\n\t        resizeEvent.deltaRect = delta;\n\t      }\n\t\n\t      this.target.fire(resizeEvent);\n\t\n\t      return resizeEvent;\n\t    },\n\t\n\t    gestureStart: function gestureStart(event) {\n\t      var gestureEvent = new InteractEvent(this, event, 'gesture', 'start', this.element);\n\t\n\t      gestureEvent.ds = 0;\n\t\n\t      this.gesture.startDistance = this.gesture.prevDistance = gestureEvent.distance;\n\t      this.gesture.startAngle = this.gesture.prevAngle = gestureEvent.angle;\n\t      this.gesture.scale = 1;\n\t\n\t      this.gesturing = true;\n\t\n\t      this.target.fire(gestureEvent);\n\t\n\t      return gestureEvent;\n\t    },\n\t\n\t    gestureMove: function gestureMove(event) {\n\t      if (!this.pointerIds.length) {\n\t        return this.prevEvent;\n\t      }\n\t\n\t      var gestureEvent;\n\t\n\t      gestureEvent = new InteractEvent(this, event, 'gesture', 'move', this.element);\n\t      gestureEvent.ds = gestureEvent.scale - this.gesture.scale;\n\t\n\t      this.target.fire(gestureEvent);\n\t\n\t      this.gesture.prevAngle = gestureEvent.angle;\n\t      this.gesture.prevDistance = gestureEvent.distance;\n\t\n\t      if (gestureEvent.scale !== Infinity && gestureEvent.scale !== null && gestureEvent.scale !== undefined && !isNaN(gestureEvent.scale)) {\n\t        this.gesture.scale = gestureEvent.scale;\n\t      }\n\t\n\t      return gestureEvent;\n\t    },\n\t\n\t    pointerHold: function pointerHold(pointer, event, eventTarget) {\n\t      this.collectEventTargets(pointer, event, eventTarget, 'hold');\n\t    },\n\t\n\t    pointerUp: function pointerUp(pointer, event, eventTarget, curEventTarget) {\n\t      var pointerIndex = this.mouse ? 0 : indexOf(this.pointerIds, getPointerId(pointer));\n\t\n\t      clearTimeout(this.holdTimers[pointerIndex]);\n\t\n\t      this.collectEventTargets(pointer, event, eventTarget, 'up');\n\t      this.collectEventTargets(pointer, event, eventTarget, 'tap');\n\t\n\t      this.pointerEnd(pointer, event, eventTarget, curEventTarget);\n\t\n\t      this.removePointer(pointer);\n\t    },\n\t\n\t    pointerCancel: function pointerCancel(pointer, event, eventTarget, curEventTarget) {\n\t      var pointerIndex = this.mouse ? 0 : indexOf(this.pointerIds, getPointerId(pointer));\n\t\n\t      clearTimeout(this.holdTimers[pointerIndex]);\n\t\n\t      this.collectEventTargets(pointer, event, eventTarget, 'cancel');\n\t      this.pointerEnd(pointer, event, eventTarget, curEventTarget);\n\t\n\t      this.removePointer(pointer);\n\t    },\n\t\n\t    // http://www.quirksmode.org/dom/events/click.html\n\t    // >Events leading to dblclick\n\t    //\n\t    // IE8 doesn't fire down event before dblclick.\n\t    // This workaround tries to fire a tap and doubletap after dblclick\n\t    ie8Dblclick: function ie8Dblclick(pointer, event, eventTarget) {\n\t      if (this.prevTap && event.clientX === this.prevTap.clientX && event.clientY === this.prevTap.clientY && eventTarget === this.prevTap.target) {\n\t        this.downTargets[0] = eventTarget;\n\t        this.downTimes[0] = new Date().getTime();\n\t        this.collectEventTargets(pointer, event, eventTarget, 'tap');\n\t      }\n\t    },\n\t\n\t    // End interact move events and stop auto-scroll unless inertia is enabled\n\t    pointerEnd: function pointerEnd(pointer, event, eventTarget, curEventTarget) {\n\t      var endEvent,\n\t          target = this.target,\n\t          options = target && target.options,\n\t          inertiaOptions = options && this.prepared.name && options[this.prepared.name].inertia,\n\t          inertiaStatus = this.inertiaStatus;\n\t\n\t      if (this.interacting()) {\n\t        if (inertiaStatus.active && !inertiaStatus.ending) {\n\t          return;\n\t        }\n\t\n\t        var pointerSpeed,\n\t            now = new Date().getTime(),\n\t            inertiaPossible = false,\n\t            inertia = false,\n\t            smoothEnd = false,\n\t            endSnap = checkSnap(target, this.prepared.name) && options[this.prepared.name].snap.endOnly,\n\t            endRestrict = checkRestrict(target, this.prepared.name) && options[this.prepared.name].restrict.endOnly,\n\t            dx = 0,\n\t            dy = 0,\n\t            startEvent;\n\t\n\t        if (this.dragging) {\n\t          if (options.drag.axis === 'x') {\n\t            pointerSpeed = Math.abs(this.pointerDelta.client.vx);\n\t          } else if (options.drag.axis === 'y') {\n\t            pointerSpeed = Math.abs(this.pointerDelta.client.vy);\n\t          } else /* options.drag.axis === 'xy'*/{\n\t              pointerSpeed = this.pointerDelta.client.speed;\n\t            }\n\t        } else {\n\t          pointerSpeed = this.pointerDelta.client.speed;\n\t        }\n\t\n\t        // check if inertia should be started\n\t        inertiaPossible = inertiaOptions && inertiaOptions.enabled && this.prepared.name !== 'gesture' && event !== inertiaStatus.startEvent;\n\t\n\t        inertia = inertiaPossible && now - this.curCoords.timeStamp < 50 && pointerSpeed > inertiaOptions.minSpeed && pointerSpeed > inertiaOptions.endSpeed;\n\t\n\t        if (inertiaPossible && !inertia && (endSnap || endRestrict)) {\n\t          var snapRestrict = {};\n\t\n\t          snapRestrict.snap = snapRestrict.restrict = snapRestrict;\n\t\n\t          if (endSnap) {\n\t            this.setSnapping(this.curCoords.page, snapRestrict);\n\t            if (snapRestrict.locked) {\n\t              dx += snapRestrict.dx;\n\t              dy += snapRestrict.dy;\n\t            }\n\t          }\n\t\n\t          if (endRestrict) {\n\t            this.setRestriction(this.curCoords.page, snapRestrict);\n\t            if (snapRestrict.restricted) {\n\t              dx += snapRestrict.dx;\n\t              dy += snapRestrict.dy;\n\t            }\n\t          }\n\t\n\t          if (dx || dy) {\n\t            smoothEnd = true;\n\t          }\n\t        }\n\t\n\t        if (inertia || smoothEnd) {\n\t          copyCoords(inertiaStatus.upCoords, this.curCoords);\n\t\n\t          this.pointers[0] = inertiaStatus.startEvent = startEvent = new InteractEvent(this, event, this.prepared.name, 'inertiastart', this.element);\n\t\n\t          inertiaStatus.t0 = now;\n\t\n\t          target.fire(inertiaStatus.startEvent);\n\t\n\t          if (inertia) {\n\t            inertiaStatus.vx0 = this.pointerDelta.client.vx;\n\t            inertiaStatus.vy0 = this.pointerDelta.client.vy;\n\t            inertiaStatus.v0 = pointerSpeed;\n\t\n\t            this.calcInertia(inertiaStatus);\n\t\n\t            var page = extend({}, this.curCoords.page),\n\t                origin = getOriginXY(target, this.element),\n\t                statusObject;\n\t\n\t            page.x = page.x + inertiaStatus.xe - origin.x;\n\t            page.y = page.y + inertiaStatus.ye - origin.y;\n\t\n\t            statusObject = {\n\t              useStatusXY: true,\n\t              x: page.x,\n\t              y: page.y,\n\t              dx: 0,\n\t              dy: 0,\n\t              snap: null\n\t            };\n\t\n\t            statusObject.snap = statusObject;\n\t\n\t            dx = dy = 0;\n\t\n\t            if (endSnap) {\n\t              var snap = this.setSnapping(this.curCoords.page, statusObject);\n\t\n\t              if (snap.locked) {\n\t                dx += snap.dx;\n\t                dy += snap.dy;\n\t              }\n\t            }\n\t\n\t            if (endRestrict) {\n\t              var restrict = this.setRestriction(this.curCoords.page, statusObject);\n\t\n\t              if (restrict.restricted) {\n\t                dx += restrict.dx;\n\t                dy += restrict.dy;\n\t              }\n\t            }\n\t\n\t            inertiaStatus.modifiedXe += dx;\n\t            inertiaStatus.modifiedYe += dy;\n\t\n\t            inertiaStatus.i = reqFrame(this.boundInertiaFrame);\n\t          } else {\n\t            inertiaStatus.smoothEnd = true;\n\t            inertiaStatus.xe = dx;\n\t            inertiaStatus.ye = dy;\n\t\n\t            inertiaStatus.sx = inertiaStatus.sy = 0;\n\t\n\t            inertiaStatus.i = reqFrame(this.boundSmoothEndFrame);\n\t          }\n\t\n\t          inertiaStatus.active = true;\n\t          return;\n\t        }\n\t\n\t        if (endSnap || endRestrict) {\n\t          // fire a move event at the snapped coordinates\n\t          this.pointerMove(pointer, event, eventTarget, curEventTarget, true);\n\t        }\n\t      }\n\t\n\t      if (this.dragging) {\n\t        endEvent = new InteractEvent(this, event, 'drag', 'end', this.element);\n\t\n\t        var draggableElement = this.element,\n\t            drop = this.getDrop(endEvent, event, draggableElement);\n\t\n\t        this.dropTarget = drop.dropzone;\n\t        this.dropElement = drop.element;\n\t\n\t        var dropEvents = this.getDropEvents(event, endEvent);\n\t\n\t        if (dropEvents.leave) {\n\t          this.prevDropTarget.fire(dropEvents.leave);\n\t        }\n\t        if (dropEvents.enter) {\n\t          this.dropTarget.fire(dropEvents.enter);\n\t        }\n\t        if (dropEvents.drop) {\n\t          this.dropTarget.fire(dropEvents.drop);\n\t        }\n\t        if (dropEvents.deactivate) {\n\t          this.fireActiveDrops(dropEvents.deactivate);\n\t        }\n\t\n\t        target.fire(endEvent);\n\t      } else if (this.resizing) {\n\t        endEvent = new InteractEvent(this, event, 'resize', 'end', this.element);\n\t        target.fire(endEvent);\n\t      } else if (this.gesturing) {\n\t        endEvent = new InteractEvent(this, event, 'gesture', 'end', this.element);\n\t        target.fire(endEvent);\n\t      }\n\t\n\t      this.stop(event);\n\t    },\n\t\n\t    collectDrops: function collectDrops(element) {\n\t      var drops = [],\n\t          elements = [],\n\t          i;\n\t\n\t      element = element || this.element;\n\t\n\t      // collect all dropzones and their elements which qualify for a drop\n\t      for (i = 0; i < interactables.length; i++) {\n\t        if (!interactables[i].options.drop.enabled) {\n\t          continue;\n\t        }\n\t\n\t        var current = interactables[i],\n\t            accept = current.options.drop.accept;\n\t\n\t        // test the draggable element against the dropzone's accept setting\n\t        if (isElement(accept) && accept !== element || isString(accept) && !matchesSelector(element, accept)) {\n\t          continue;\n\t        }\n\t\n\t        // query for new elements if necessary\n\t        var dropElements = current.selector ? current._context.querySelectorAll(current.selector) : [current._element];\n\t\n\t        for (var j = 0, len = dropElements.length; j < len; j++) {\n\t          var currentElement = dropElements[j];\n\t\n\t          if (currentElement === element) {\n\t            continue;\n\t          }\n\t\n\t          drops.push(current);\n\t          elements.push(currentElement);\n\t        }\n\t      }\n\t\n\t      return {\n\t        dropzones: drops,\n\t        elements: elements\n\t      };\n\t    },\n\t\n\t    fireActiveDrops: function fireActiveDrops(event) {\n\t      var i, current, currentElement, prevElement;\n\t\n\t      // loop through all active dropzones and trigger event\n\t      for (i = 0; i < this.activeDrops.dropzones.length; i++) {\n\t        current = this.activeDrops.dropzones[i];\n\t        currentElement = this.activeDrops.elements[i];\n\t\n\t        // prevent trigger of duplicate events on same element\n\t        if (currentElement !== prevElement) {\n\t          // set current element as event target\n\t          event.target = currentElement;\n\t          current.fire(event);\n\t        }\n\t        prevElement = currentElement;\n\t      }\n\t    },\n\t\n\t    // Collect a new set of possible drops and save them in activeDrops.\n\t    // setActiveDrops should always be called when a drag has just started or a\n\t    // drag event happens while dynamicDrop is true\n\t    setActiveDrops: function setActiveDrops(dragElement) {\n\t      // get dropzones and their elements that could receive the draggable\n\t      var possibleDrops = this.collectDrops(dragElement, true);\n\t\n\t      this.activeDrops.dropzones = possibleDrops.dropzones;\n\t      this.activeDrops.elements = possibleDrops.elements;\n\t      this.activeDrops.rects = [];\n\t\n\t      for (var i = 0; i < this.activeDrops.dropzones.length; i++) {\n\t        this.activeDrops.rects[i] = this.activeDrops.dropzones[i].getRect(this.activeDrops.elements[i]);\n\t      }\n\t    },\n\t\n\t    getDrop: function getDrop(dragEvent, event, dragElement) {\n\t      var validDrops = [];\n\t\n\t      if (dynamicDrop) {\n\t        this.setActiveDrops(dragElement);\n\t      }\n\t\n\t      // collect all dropzones and their elements which qualify for a drop\n\t      for (var j = 0; j < this.activeDrops.dropzones.length; j++) {\n\t        var current = this.activeDrops.dropzones[j],\n\t            currentElement = this.activeDrops.elements[j],\n\t            rect = this.activeDrops.rects[j];\n\t\n\t        validDrops.push(current.dropCheck(dragEvent, event, this.target, dragElement, currentElement, rect) ? currentElement : null);\n\t      }\n\t\n\t      // get the most appropriate dropzone based on DOM depth and order\n\t      var dropIndex = indexOfDeepestElement(validDrops),\n\t          dropzone = this.activeDrops.dropzones[dropIndex] || null,\n\t          element = this.activeDrops.elements[dropIndex] || null;\n\t\n\t      return {\n\t        dropzone: dropzone,\n\t        element: element\n\t      };\n\t    },\n\t\n\t    getDropEvents: function getDropEvents(pointerEvent, dragEvent) {\n\t      var dropEvents = {\n\t        enter: null,\n\t        leave: null,\n\t        activate: null,\n\t        deactivate: null,\n\t        move: null,\n\t        drop: null\n\t      };\n\t\n\t      if (this.dropElement !== this.prevDropElement) {\n\t        // if there was a prevDropTarget, create a dragleave event\n\t        if (this.prevDropTarget) {\n\t          dropEvents.leave = {\n\t            target: this.prevDropElement,\n\t            dropzone: this.prevDropTarget,\n\t            relatedTarget: dragEvent.target,\n\t            draggable: dragEvent.interactable,\n\t            dragEvent: dragEvent,\n\t            interaction: this,\n\t            timeStamp: dragEvent.timeStamp,\n\t            type: 'dragleave'\n\t          };\n\t\n\t          dragEvent.dragLeave = this.prevDropElement;\n\t          dragEvent.prevDropzone = this.prevDropTarget;\n\t        }\n\t        // if the dropTarget is not null, create a dragenter event\n\t        if (this.dropTarget) {\n\t          dropEvents.enter = {\n\t            target: this.dropElement,\n\t            dropzone: this.dropTarget,\n\t            relatedTarget: dragEvent.target,\n\t            draggable: dragEvent.interactable,\n\t            dragEvent: dragEvent,\n\t            interaction: this,\n\t            timeStamp: dragEvent.timeStamp,\n\t            type: 'dragenter'\n\t          };\n\t\n\t          dragEvent.dragEnter = this.dropElement;\n\t          dragEvent.dropzone = this.dropTarget;\n\t        }\n\t      }\n\t\n\t      if (dragEvent.type === 'dragend' && this.dropTarget) {\n\t        dropEvents.drop = {\n\t          target: this.dropElement,\n\t          dropzone: this.dropTarget,\n\t          relatedTarget: dragEvent.target,\n\t          draggable: dragEvent.interactable,\n\t          dragEvent: dragEvent,\n\t          interaction: this,\n\t          timeStamp: dragEvent.timeStamp,\n\t          type: 'drop'\n\t        };\n\t\n\t        dragEvent.dropzone = this.dropTarget;\n\t      }\n\t      if (dragEvent.type === 'dragstart') {\n\t        dropEvents.activate = {\n\t          target: null,\n\t          dropzone: null,\n\t          relatedTarget: dragEvent.target,\n\t          draggable: dragEvent.interactable,\n\t          dragEvent: dragEvent,\n\t          interaction: this,\n\t          timeStamp: dragEvent.timeStamp,\n\t          type: 'dropactivate'\n\t        };\n\t      }\n\t      if (dragEvent.type === 'dragend') {\n\t        dropEvents.deactivate = {\n\t          target: null,\n\t          dropzone: null,\n\t          relatedTarget: dragEvent.target,\n\t          draggable: dragEvent.interactable,\n\t          dragEvent: dragEvent,\n\t          interaction: this,\n\t          timeStamp: dragEvent.timeStamp,\n\t          type: 'dropdeactivate'\n\t        };\n\t      }\n\t      if (dragEvent.type === 'dragmove' && this.dropTarget) {\n\t        dropEvents.move = {\n\t          target: this.dropElement,\n\t          dropzone: this.dropTarget,\n\t          relatedTarget: dragEvent.target,\n\t          draggable: dragEvent.interactable,\n\t          dragEvent: dragEvent,\n\t          interaction: this,\n\t          dragmove: dragEvent,\n\t          timeStamp: dragEvent.timeStamp,\n\t          type: 'dropmove'\n\t        };\n\t        dragEvent.dropzone = this.dropTarget;\n\t      }\n\t\n\t      return dropEvents;\n\t    },\n\t\n\t    currentAction: function currentAction() {\n\t      return this.dragging && 'drag' || this.resizing && 'resize' || this.gesturing && 'gesture' || null;\n\t    },\n\t\n\t    interacting: function interacting() {\n\t      return this.dragging || this.resizing || this.gesturing;\n\t    },\n\t\n\t    clearTargets: function clearTargets() {\n\t      this.target = this.element = null;\n\t\n\t      this.dropTarget = this.dropElement = this.prevDropTarget = this.prevDropElement = null;\n\t    },\n\t\n\t    stop: function stop(event) {\n\t      if (this.interacting()) {\n\t        autoScroll.stop();\n\t        this.matches = [];\n\t        this.matchElements = [];\n\t\n\t        var target = this.target;\n\t\n\t        if (target.options.styleCursor) {\n\t          target._doc.documentElement.style.cursor = '';\n\t        }\n\t\n\t        // prevent Default only if were previously interacting\n\t        if (event && isFunction(event.preventDefault)) {\n\t          this.checkAndPreventDefault(event, target, this.element);\n\t        }\n\t\n\t        if (this.dragging) {\n\t          this.activeDrops.dropzones = this.activeDrops.elements = this.activeDrops.rects = null;\n\t        }\n\t      }\n\t\n\t      this.clearTargets();\n\t\n\t      this.pointerIsDown = this.snapStatus.locked = this.dragging = this.resizing = this.gesturing = false;\n\t      this.prepared.name = this.prevEvent = null;\n\t      this.inertiaStatus.resumeDx = this.inertiaStatus.resumeDy = 0;\n\t\n\t      // remove pointers if their ID isn't in this.pointerIds\n\t      for (var i = 0; i < this.pointers.length; i++) {\n\t        if (indexOf(this.pointerIds, getPointerId(this.pointers[i])) === -1) {\n\t          this.pointers.splice(i, 1);\n\t        }\n\t      }\n\t    },\n\t\n\t    inertiaFrame: function inertiaFrame() {\n\t      var inertiaStatus = this.inertiaStatus,\n\t          options = this.target.options[this.prepared.name].inertia,\n\t          lambda = options.resistance,\n\t          t = new Date().getTime() / 1000 - inertiaStatus.t0;\n\t\n\t      if (t < inertiaStatus.te) {\n\t        var progress = 1 - (Math.exp(-lambda * t) - inertiaStatus.lambda_v0) / inertiaStatus.one_ve_v0;\n\t\n\t        if (inertiaStatus.modifiedXe === inertiaStatus.xe && inertiaStatus.modifiedYe === inertiaStatus.ye) {\n\t          inertiaStatus.sx = inertiaStatus.xe * progress;\n\t          inertiaStatus.sy = inertiaStatus.ye * progress;\n\t        } else {\n\t          var quadPoint = getQuadraticCurvePoint(0, 0, inertiaStatus.xe, inertiaStatus.ye, inertiaStatus.modifiedXe, inertiaStatus.modifiedYe, progress);\n\t\n\t          inertiaStatus.sx = quadPoint.x;\n\t          inertiaStatus.sy = quadPoint.y;\n\t        }\n\t\n\t        this.pointerMove(inertiaStatus.startEvent, inertiaStatus.startEvent);\n\t\n\t        inertiaStatus.i = reqFrame(this.boundInertiaFrame);\n\t      } else {\n\t        inertiaStatus.ending = true;\n\t\n\t        inertiaStatus.sx = inertiaStatus.modifiedXe;\n\t        inertiaStatus.sy = inertiaStatus.modifiedYe;\n\t\n\t        this.pointerMove(inertiaStatus.startEvent, inertiaStatus.startEvent);\n\t        this.pointerEnd(inertiaStatus.startEvent, inertiaStatus.startEvent);\n\t\n\t        inertiaStatus.active = inertiaStatus.ending = false;\n\t      }\n\t    },\n\t\n\t    smoothEndFrame: function smoothEndFrame() {\n\t      var inertiaStatus = this.inertiaStatus,\n\t          t = new Date().getTime() - inertiaStatus.t0,\n\t          duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\t\n\t      if (t < duration) {\n\t        inertiaStatus.sx = easeOutQuad(t, 0, inertiaStatus.xe, duration);\n\t        inertiaStatus.sy = easeOutQuad(t, 0, inertiaStatus.ye, duration);\n\t\n\t        this.pointerMove(inertiaStatus.startEvent, inertiaStatus.startEvent);\n\t\n\t        inertiaStatus.i = reqFrame(this.boundSmoothEndFrame);\n\t      } else {\n\t        inertiaStatus.ending = true;\n\t\n\t        inertiaStatus.sx = inertiaStatus.xe;\n\t        inertiaStatus.sy = inertiaStatus.ye;\n\t\n\t        this.pointerMove(inertiaStatus.startEvent, inertiaStatus.startEvent);\n\t        this.pointerEnd(inertiaStatus.startEvent, inertiaStatus.startEvent);\n\t\n\t        inertiaStatus.smoothEnd = inertiaStatus.active = inertiaStatus.ending = false;\n\t      }\n\t    },\n\t\n\t    addPointer: function addPointer(pointer) {\n\t      var id = getPointerId(pointer),\n\t          index = this.mouse ? 0 : indexOf(this.pointerIds, id);\n\t\n\t      if (index === -1) {\n\t        index = this.pointerIds.length;\n\t      }\n\t\n\t      this.pointerIds[index] = id;\n\t      this.pointers[index] = pointer;\n\t\n\t      return index;\n\t    },\n\t\n\t    removePointer: function removePointer(pointer) {\n\t      var id = getPointerId(pointer),\n\t          index = this.mouse ? 0 : indexOf(this.pointerIds, id);\n\t\n\t      if (index === -1) {\n\t        return;\n\t      }\n\t\n\t      this.pointers.splice(index, 1);\n\t      this.pointerIds.splice(index, 1);\n\t      this.downTargets.splice(index, 1);\n\t      this.downTimes.splice(index, 1);\n\t      this.holdTimers.splice(index, 1);\n\t    },\n\t\n\t    recordPointer: function recordPointer(pointer) {\n\t      var index = this.mouse ? 0 : indexOf(this.pointerIds, getPointerId(pointer));\n\t\n\t      if (index === -1) {\n\t        return;\n\t      }\n\t\n\t      this.pointers[index] = pointer;\n\t    },\n\t\n\t    collectEventTargets: function collectEventTargets(pointer, event, eventTarget, eventType) {\n\t      var pointerIndex = this.mouse ? 0 : indexOf(this.pointerIds, getPointerId(pointer));\n\t\n\t      // do not fire a tap event if the pointer was moved before being lifted\n\t      if (eventType === 'tap' && (this.pointerWasMoved\n\t      // or if the pointerup target is different to the pointerdown target\n\t      || !(this.downTargets[pointerIndex] && this.downTargets[pointerIndex] === eventTarget))) {\n\t        return;\n\t      }\n\t\n\t      var targets = [],\n\t          elements = [],\n\t          element = eventTarget;\n\t\n\t      function collectSelectors(interactable, selector, context) {\n\t        var els = ie8MatchesSelector ? context.querySelectorAll(selector) : undefined;\n\t\n\t        if (interactable._iEvents[eventType] && isElement(element) && inContext(interactable, element) && !testIgnore(interactable, element, eventTarget) && testAllow(interactable, element, eventTarget) && matchesSelector(element, selector, els)) {\n\t          targets.push(interactable);\n\t          elements.push(element);\n\t        }\n\t      }\n\t\n\t      while (element) {\n\t        if (interact.isSet(element) && interact(element)._iEvents[eventType]) {\n\t          targets.push(interact(element));\n\t          elements.push(element);\n\t        }\n\t\n\t        interactables.forEachSelector(collectSelectors);\n\t\n\t        element = parentElement(element);\n\t      }\n\t\n\t      // create the tap event even if there are no listeners so that\n\t      // doubletap can still be created and fired\n\t      if (targets.length || eventType === 'tap') {\n\t        this.firePointers(pointer, event, eventTarget, targets, elements, eventType);\n\t      }\n\t    },\n\t\n\t    firePointers: function firePointers(pointer, event, eventTarget, targets, elements, eventType) {\n\t      var pointerIndex = this.mouse ? 0 : indexOf(this.pointerIds, getPointerId(pointer)),\n\t          pointerEvent = {},\n\t          i,\n\t\n\t      // for tap events\n\t      interval,\n\t          createNewDoubleTap;\n\t\n\t      // if it's a doubletap then the event properties would have been\n\t      // copied from the tap event and provided as the pointer argument\n\t      if (eventType === 'doubletap') {\n\t        pointerEvent = pointer;\n\t      } else {\n\t        pointerExtend(pointerEvent, event);\n\t        if (event !== pointer) {\n\t          pointerExtend(pointerEvent, pointer);\n\t        }\n\t\n\t        pointerEvent.preventDefault = preventOriginalDefault;\n\t        pointerEvent.stopPropagation = InteractEvent.prototype.stopPropagation;\n\t        pointerEvent.stopImmediatePropagation = InteractEvent.prototype.stopImmediatePropagation;\n\t        pointerEvent.interaction = this;\n\t\n\t        pointerEvent.timeStamp = new Date().getTime();\n\t        pointerEvent.originalEvent = event;\n\t        pointerEvent.originalPointer = pointer;\n\t        pointerEvent.type = eventType;\n\t        pointerEvent.pointerId = getPointerId(pointer);\n\t        pointerEvent.pointerType = this.mouse ? 'mouse' : !supportsPointerEvent ? 'touch' : isString(pointer.pointerType) ? pointer.pointerType : [,, 'touch', 'pen', 'mouse'][pointer.pointerType];\n\t      }\n\t\n\t      if (eventType === 'tap') {\n\t        pointerEvent.dt = pointerEvent.timeStamp - this.downTimes[pointerIndex];\n\t\n\t        interval = pointerEvent.timeStamp - this.tapTime;\n\t        createNewDoubleTap = !!(this.prevTap && this.prevTap.type !== 'doubletap' && this.prevTap.target === pointerEvent.target && interval < 500);\n\t\n\t        pointerEvent.double = createNewDoubleTap;\n\t\n\t        this.tapTime = pointerEvent.timeStamp;\n\t      }\n\t\n\t      for (i = 0; i < targets.length; i++) {\n\t        pointerEvent.currentTarget = elements[i];\n\t        pointerEvent.interactable = targets[i];\n\t        targets[i].fire(pointerEvent);\n\t\n\t        if (pointerEvent.immediatePropagationStopped || pointerEvent.propagationStopped && elements[i + 1] !== pointerEvent.currentTarget) {\n\t          break;\n\t        }\n\t      }\n\t\n\t      if (createNewDoubleTap) {\n\t        var doubleTap = {};\n\t\n\t        extend(doubleTap, pointerEvent);\n\t\n\t        doubleTap.dt = interval;\n\t        doubleTap.type = 'doubletap';\n\t\n\t        this.collectEventTargets(doubleTap, event, eventTarget, 'doubletap');\n\t\n\t        this.prevTap = doubleTap;\n\t      } else if (eventType === 'tap') {\n\t        this.prevTap = pointerEvent;\n\t      }\n\t    },\n\t\n\t    validateSelector: function validateSelector(pointer, event, matches, matchElements) {\n\t      for (var i = 0, len = matches.length; i < len; i++) {\n\t        var match = matches[i],\n\t            matchElement = matchElements[i],\n\t            action = validateAction(match.getAction(pointer, event, this, matchElement), match);\n\t\n\t        if (action && withinInteractionLimit(match, matchElement, action)) {\n\t          this.target = match;\n\t          this.element = matchElement;\n\t\n\t          return action;\n\t        }\n\t      }\n\t    },\n\t\n\t    setSnapping: function setSnapping(pageCoords, status) {\n\t      var snap = this.target.options[this.prepared.name].snap,\n\t          targets = [],\n\t          target,\n\t          page,\n\t          i;\n\t\n\t      status = status || this.snapStatus;\n\t\n\t      if (status.useStatusXY) {\n\t        page = { x: status.x, y: status.y };\n\t      } else {\n\t        var origin = getOriginXY(this.target, this.element);\n\t\n\t        page = extend({}, pageCoords);\n\t\n\t        page.x -= origin.x;\n\t        page.y -= origin.y;\n\t      }\n\t\n\t      status.realX = page.x;\n\t      status.realY = page.y;\n\t\n\t      page.x = page.x - this.inertiaStatus.resumeDx;\n\t      page.y = page.y - this.inertiaStatus.resumeDy;\n\t\n\t      var len = snap.targets ? snap.targets.length : 0;\n\t\n\t      for (var relIndex = 0; relIndex < this.snapOffsets.length; relIndex++) {\n\t        var relative = {\n\t          x: page.x - this.snapOffsets[relIndex].x,\n\t          y: page.y - this.snapOffsets[relIndex].y\n\t        };\n\t\n\t        for (i = 0; i < len; i++) {\n\t          if (isFunction(snap.targets[i])) {\n\t            target = snap.targets[i](relative.x, relative.y, this);\n\t          } else {\n\t            target = snap.targets[i];\n\t          }\n\t\n\t          if (!target) {\n\t            continue;\n\t          }\n\t\n\t          targets.push({\n\t            x: isNumber(target.x) ? target.x + this.snapOffsets[relIndex].x : relative.x,\n\t            y: isNumber(target.y) ? target.y + this.snapOffsets[relIndex].y : relative.y,\n\t\n\t            range: isNumber(target.range) ? target.range : snap.range\n\t          });\n\t        }\n\t      }\n\t\n\t      var closest = {\n\t        target: null,\n\t        inRange: false,\n\t        distance: 0,\n\t        range: 0,\n\t        dx: 0,\n\t        dy: 0\n\t      };\n\t\n\t      for (i = 0, len = targets.length; i < len; i++) {\n\t        target = targets[i];\n\t\n\t        var range = target.range,\n\t            dx = target.x - page.x,\n\t            dy = target.y - page.y,\n\t            distance = hypot(dx, dy),\n\t            inRange = distance <= range;\n\t\n\t        // Infinite targets count as being out of range\n\t        // compared to non infinite ones that are in range\n\t        if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n\t          inRange = false;\n\t        }\n\t\n\t        if (!closest.target || (inRange\n\t        // is the closest target in range?\n\t        ? closest.inRange && range !== Infinity\n\t        // the pointer is relatively deeper in this target\n\t        ? distance / range < closest.distance / closest.range\n\t        // this target has Infinite range and the closest doesn't\n\t        : range === Infinity && closest.range !== Infinity ||\n\t        // OR this target is closer that the previous closest\n\t        distance < closest.distance :\n\t        // The other is not in range and the pointer is closer to this target\n\t        !closest.inRange && distance < closest.distance)) {\n\t          if (range === Infinity) {\n\t            inRange = true;\n\t          }\n\t\n\t          closest.target = target;\n\t          closest.distance = distance;\n\t          closest.range = range;\n\t          closest.inRange = inRange;\n\t          closest.dx = dx;\n\t          closest.dy = dy;\n\t\n\t          status.range = range;\n\t        }\n\t      }\n\t\n\t      var snapChanged;\n\t\n\t      if (closest.target) {\n\t        snapChanged = status.snappedX !== closest.target.x || status.snappedY !== closest.target.y;\n\t\n\t        status.snappedX = closest.target.x;\n\t        status.snappedY = closest.target.y;\n\t      } else {\n\t        snapChanged = true;\n\t\n\t        status.snappedX = NaN;\n\t        status.snappedY = NaN;\n\t      }\n\t\n\t      status.dx = closest.dx;\n\t      status.dy = closest.dy;\n\t\n\t      status.changed = snapChanged || closest.inRange && !status.locked;\n\t      status.locked = closest.inRange;\n\t\n\t      return status;\n\t    },\n\t\n\t    setRestriction: function setRestriction(pageCoords, status) {\n\t      var target = this.target,\n\t          restrict = target && target.options[this.prepared.name].restrict,\n\t          restriction = restrict && restrict.restriction,\n\t          page;\n\t\n\t      if (!restriction) {\n\t        return status;\n\t      }\n\t\n\t      status = status || this.restrictStatus;\n\t\n\t      page = status.useStatusXY ? page = { x: status.x, y: status.y } : page = extend({}, pageCoords);\n\t\n\t      if (status.snap && status.snap.locked) {\n\t        page.x += status.snap.dx || 0;\n\t        page.y += status.snap.dy || 0;\n\t      }\n\t\n\t      page.x -= this.inertiaStatus.resumeDx;\n\t      page.y -= this.inertiaStatus.resumeDy;\n\t\n\t      status.dx = 0;\n\t      status.dy = 0;\n\t      status.restricted = false;\n\t\n\t      var rect, restrictedX, restrictedY;\n\t\n\t      if (isString(restriction)) {\n\t        if (restriction === 'parent') {\n\t          restriction = parentElement(this.element);\n\t        } else if (restriction === 'self') {\n\t          restriction = target.getRect(this.element);\n\t        } else {\n\t          restriction = closest(this.element, restriction);\n\t        }\n\t\n\t        if (!restriction) {\n\t          return status;\n\t        }\n\t      }\n\t\n\t      if (isFunction(restriction)) {\n\t        restriction = restriction(page.x, page.y, this.element);\n\t      }\n\t\n\t      if (isElement(restriction)) {\n\t        restriction = getElementRect(restriction);\n\t      }\n\t\n\t      rect = restriction;\n\t\n\t      if (!restriction) {\n\t        restrictedX = page.x;\n\t        restrictedY = page.y;\n\t      }\n\t      // object is assumed to have\n\t      // x, y, width, height or\n\t      // left, top, right, bottom\n\t      else if ('x' in restriction && 'y' in restriction) {\n\t          restrictedX = Math.max(Math.min(rect.x + rect.width - this.restrictOffset.right, page.x), rect.x + this.restrictOffset.left);\n\t          restrictedY = Math.max(Math.min(rect.y + rect.height - this.restrictOffset.bottom, page.y), rect.y + this.restrictOffset.top);\n\t        } else {\n\t          restrictedX = Math.max(Math.min(rect.right - this.restrictOffset.right, page.x), rect.left + this.restrictOffset.left);\n\t          restrictedY = Math.max(Math.min(rect.bottom - this.restrictOffset.bottom, page.y), rect.top + this.restrictOffset.top);\n\t        }\n\t\n\t      status.dx = restrictedX - page.x;\n\t      status.dy = restrictedY - page.y;\n\t\n\t      status.changed = status.restrictedX !== restrictedX || status.restrictedY !== restrictedY;\n\t      status.restricted = !!(status.dx || status.dy);\n\t\n\t      status.restrictedX = restrictedX;\n\t      status.restrictedY = restrictedY;\n\t\n\t      return status;\n\t    },\n\t\n\t    checkAndPreventDefault: function checkAndPreventDefault(event, interactable, element) {\n\t      if (!(interactable = interactable || this.target)) {\n\t        return;\n\t      }\n\t\n\t      var options = interactable.options,\n\t          prevent = options.preventDefault;\n\t\n\t      if (prevent === 'auto' && element && !/^(input|select|textarea)$/i.test(event.target.nodeName)) {\n\t        // do not preventDefault on pointerdown if the prepared action is a drag\n\t        // and dragging can only start from a certain direction - this allows\n\t        // a touch to pan the viewport if a drag isn't in the right direction\n\t        if (/down|start/i.test(event.type) && this.prepared.name === 'drag' && options.drag.axis !== 'xy') {\n\t          return;\n\t        }\n\t\n\t        // with manualStart, only preventDefault while interacting\n\t        if (options[this.prepared.name] && options[this.prepared.name].manualStart && !this.interacting()) {\n\t          return;\n\t        }\n\t\n\t        event.preventDefault();\n\t        return;\n\t      }\n\t\n\t      if (prevent === 'always') {\n\t        event.preventDefault();\n\t        return;\n\t      }\n\t    },\n\t\n\t    calcInertia: function calcInertia(status) {\n\t      var inertiaOptions = this.target.options[this.prepared.name].inertia,\n\t          lambda = inertiaOptions.resistance,\n\t          inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\t\n\t      status.x0 = this.prevEvent.pageX;\n\t      status.y0 = this.prevEvent.pageY;\n\t      status.t0 = status.startEvent.timeStamp / 1000;\n\t      status.sx = status.sy = 0;\n\t\n\t      status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n\t      status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n\t      status.te = inertiaDur;\n\t\n\t      status.lambda_v0 = lambda / status.v0;\n\t      status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n\t    },\n\t\n\t    autoScrollMove: function autoScrollMove(pointer) {\n\t      if (!(this.interacting() && checkAutoScroll(this.target, this.prepared.name))) {\n\t        return;\n\t      }\n\t\n\t      if (this.inertiaStatus.active) {\n\t        autoScroll.x = autoScroll.y = 0;\n\t        return;\n\t      }\n\t\n\t      var top,\n\t          right,\n\t          bottom,\n\t          left,\n\t          options = this.target.options[this.prepared.name].autoScroll,\n\t          container = options.container || getWindow(this.element);\n\t\n\t      if (isWindow(container)) {\n\t        left = pointer.clientX < autoScroll.margin;\n\t        top = pointer.clientY < autoScroll.margin;\n\t        right = pointer.clientX > container.innerWidth - autoScroll.margin;\n\t        bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n\t      } else {\n\t        var rect = getElementClientRect(container);\n\t\n\t        left = pointer.clientX < rect.left + autoScroll.margin;\n\t        top = pointer.clientY < rect.top + autoScroll.margin;\n\t        right = pointer.clientX > rect.right - autoScroll.margin;\n\t        bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n\t      }\n\t\n\t      autoScroll.x = right ? 1 : left ? -1 : 0;\n\t      autoScroll.y = bottom ? 1 : top ? -1 : 0;\n\t\n\t      if (!autoScroll.isScrolling) {\n\t        // set the autoScroll properties to those of the target\n\t        autoScroll.margin = options.margin;\n\t        autoScroll.speed = options.speed;\n\t\n\t        autoScroll.start(this);\n\t      }\n\t    },\n\t\n\t    _updateEventTargets: function _updateEventTargets(target, currentTarget) {\n\t      this._eventTarget = target;\n\t      this._curEventTarget = currentTarget;\n\t    }\n\t\n\t  };\n\t\n\t  function getInteractionFromPointer(pointer, eventType, eventTarget) {\n\t    var i = 0,\n\t        len = interactions.length,\n\t        mouseEvent = /mouse/i.test(pointer.pointerType || eventType)\n\t    // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n\t    || pointer.pointerType === 4,\n\t        interaction;\n\t\n\t    var id = getPointerId(pointer);\n\t\n\t    // try to resume inertia with a new pointer\n\t    if (/down|start/i.test(eventType)) {\n\t      for (i = 0; i < len; i++) {\n\t        interaction = interactions[i];\n\t\n\t        var element = eventTarget;\n\t\n\t        if (interaction.inertiaStatus.active && interaction.target.options[interaction.prepared.name].inertia.allowResume && interaction.mouse === mouseEvent) {\n\t          while (element) {\n\t            // if the element is the interaction element\n\t            if (element === interaction.element) {\n\t              return interaction;\n\t            }\n\t            element = parentElement(element);\n\t          }\n\t        }\n\t      }\n\t    }\n\t\n\t    // if it's a mouse interaction\n\t    if (mouseEvent || !supportsTouch || supportsPointerEvent) {\n\t      // find a mouse interaction that's not in inertia phase\n\t      for (i = 0; i < len; i++) {\n\t        if (interactions[i].mouse && !interactions[i].inertiaStatus.active) {\n\t          return interactions[i];\n\t        }\n\t      }\n\t\n\t      // find any interaction specifically for mouse.\n\t      // if the eventType is a mousedown, and inertia is active\n\t      // ignore the interaction\n\t      for (i = 0; i < len; i++) {\n\t        if (interactions[i].mouse && !(/down/.test(eventType) && interactions[i].inertiaStatus.active)) {\n\t          return interaction;\n\t        }\n\t      }\n\t\n\t      // create a new interaction for mouse\n\t      interaction = new Interaction();\n\t      interaction.mouse = true;\n\t\n\t      return interaction;\n\t    }\n\t\n\t    // get interaction that has this pointer\n\t    for (i = 0; i < len; i++) {\n\t      if (contains(interactions[i].pointerIds, id)) {\n\t        return interactions[i];\n\t      }\n\t    }\n\t\n\t    // at this stage, a pointerUp should not return an interaction\n\t    if (/up|end|out/i.test(eventType)) {\n\t      return null;\n\t    }\n\t\n\t    // get first idle interaction\n\t    for (i = 0; i < len; i++) {\n\t      interaction = interactions[i];\n\t\n\t      if ((!interaction.prepared.name || interaction.target.options.gesture.enabled) && !interaction.interacting() && !(!mouseEvent && interaction.mouse)) {\n\t        return interaction;\n\t      }\n\t    }\n\t\n\t    return new Interaction();\n\t  }\n\t\n\t  function doOnInteractions(method) {\n\t    return function (event) {\n\t      var interaction,\n\t          eventTarget = getActualElement(event.path ? event.path[0] : event.target),\n\t          curEventTarget = getActualElement(event.currentTarget),\n\t          i;\n\t\n\t      if (supportsTouch && /touch/.test(event.type)) {\n\t        prevTouchTime = new Date().getTime();\n\t\n\t        for (i = 0; i < event.changedTouches.length; i++) {\n\t          var pointer = event.changedTouches[i];\n\t\n\t          interaction = getInteractionFromPointer(pointer, event.type, eventTarget);\n\t\n\t          if (!interaction) {\n\t            continue;\n\t          }\n\t\n\t          interaction._updateEventTargets(eventTarget, curEventTarget);\n\t\n\t          interaction[method](pointer, event, eventTarget, curEventTarget);\n\t        }\n\t      } else {\n\t        if (!supportsPointerEvent && /mouse/.test(event.type)) {\n\t          // ignore mouse events while touch interactions are active\n\t          for (i = 0; i < interactions.length; i++) {\n\t            if (!interactions[i].mouse && interactions[i].pointerIsDown) {\n\t              return;\n\t            }\n\t          }\n\t\n\t          // try to ignore mouse events that are simulated by the browser\n\t          // after a touch event\n\t          if (new Date().getTime() - prevTouchTime < 500) {\n\t            return;\n\t          }\n\t        }\n\t\n\t        interaction = getInteractionFromPointer(event, event.type, eventTarget);\n\t\n\t        if (!interaction) {\n\t          return;\n\t        }\n\t\n\t        interaction._updateEventTargets(eventTarget, curEventTarget);\n\t\n\t        interaction[method](event, event, eventTarget, curEventTarget);\n\t      }\n\t    };\n\t  }\n\t\n\t  function InteractEvent(interaction, event, action, phase, element, related) {\n\t    var client,\n\t        page,\n\t        target = interaction.target,\n\t        snapStatus = interaction.snapStatus,\n\t        restrictStatus = interaction.restrictStatus,\n\t        pointers = interaction.pointers,\n\t        deltaSource = (target && target.options || defaultOptions).deltaSource,\n\t        sourceX = deltaSource + 'X',\n\t        sourceY = deltaSource + 'Y',\n\t        options = target ? target.options : defaultOptions,\n\t        origin = getOriginXY(target, element),\n\t        starting = phase === 'start',\n\t        ending = phase === 'end',\n\t        coords = starting ? interaction.startCoords : interaction.curCoords;\n\t\n\t    element = element || interaction.element;\n\t\n\t    page = extend({}, coords.page);\n\t    client = extend({}, coords.client);\n\t\n\t    page.x -= origin.x;\n\t    page.y -= origin.y;\n\t\n\t    client.x -= origin.x;\n\t    client.y -= origin.y;\n\t\n\t    var relativePoints = options[action].snap && options[action].snap.relativePoints;\n\t\n\t    if (checkSnap(target, action) && !(starting && relativePoints && relativePoints.length)) {\n\t      this.snap = {\n\t        range: snapStatus.range,\n\t        locked: snapStatus.locked,\n\t        x: snapStatus.snappedX,\n\t        y: snapStatus.snappedY,\n\t        realX: snapStatus.realX,\n\t        realY: snapStatus.realY,\n\t        dx: snapStatus.dx,\n\t        dy: snapStatus.dy\n\t      };\n\t\n\t      if (snapStatus.locked) {\n\t        page.x += snapStatus.dx;\n\t        page.y += snapStatus.dy;\n\t        client.x += snapStatus.dx;\n\t        client.y += snapStatus.dy;\n\t      }\n\t    }\n\t\n\t    if (checkRestrict(target, action) && !(starting && options[action].restrict.elementRect) && restrictStatus.restricted) {\n\t      page.x += restrictStatus.dx;\n\t      page.y += restrictStatus.dy;\n\t      client.x += restrictStatus.dx;\n\t      client.y += restrictStatus.dy;\n\t\n\t      this.restrict = {\n\t        dx: restrictStatus.dx,\n\t        dy: restrictStatus.dy\n\t      };\n\t    }\n\t\n\t    this.pageX = page.x;\n\t    this.pageY = page.y;\n\t    this.clientX = client.x;\n\t    this.clientY = client.y;\n\t\n\t    this.x0 = interaction.startCoords.page.x - origin.x;\n\t    this.y0 = interaction.startCoords.page.y - origin.y;\n\t    this.clientX0 = interaction.startCoords.client.x - origin.x;\n\t    this.clientY0 = interaction.startCoords.client.y - origin.y;\n\t    this.ctrlKey = event.ctrlKey;\n\t    this.altKey = event.altKey;\n\t    this.shiftKey = event.shiftKey;\n\t    this.metaKey = event.metaKey;\n\t    this.button = event.button;\n\t    this.buttons = event.buttons;\n\t    this.target = element;\n\t    this.t0 = interaction.downTimes[0];\n\t    this.type = action + (phase || '');\n\t\n\t    this.interaction = interaction;\n\t    this.interactable = target;\n\t\n\t    var inertiaStatus = interaction.inertiaStatus;\n\t\n\t    if (inertiaStatus.active) {\n\t      this.detail = 'inertia';\n\t    }\n\t\n\t    if (related) {\n\t      this.relatedTarget = related;\n\t    }\n\t\n\t    // end event dx, dy is difference between start and end points\n\t    if (ending) {\n\t      if (deltaSource === 'client') {\n\t        this.dx = client.x - interaction.startCoords.client.x;\n\t        this.dy = client.y - interaction.startCoords.client.y;\n\t      } else {\n\t        this.dx = page.x - interaction.startCoords.page.x;\n\t        this.dy = page.y - interaction.startCoords.page.y;\n\t      }\n\t    } else if (starting) {\n\t      this.dx = 0;\n\t      this.dy = 0;\n\t    }\n\t    // copy properties from previousmove if starting inertia\n\t    else if (phase === 'inertiastart') {\n\t        this.dx = interaction.prevEvent.dx;\n\t        this.dy = interaction.prevEvent.dy;\n\t      } else {\n\t        if (deltaSource === 'client') {\n\t          this.dx = client.x - interaction.prevEvent.clientX;\n\t          this.dy = client.y - interaction.prevEvent.clientY;\n\t        } else {\n\t          this.dx = page.x - interaction.prevEvent.pageX;\n\t          this.dy = page.y - interaction.prevEvent.pageY;\n\t        }\n\t      }\n\t    if (interaction.prevEvent && interaction.prevEvent.detail === 'inertia' && !inertiaStatus.active && options[action].inertia && options[action].inertia.zeroResumeDelta) {\n\t      inertiaStatus.resumeDx += this.dx;\n\t      inertiaStatus.resumeDy += this.dy;\n\t\n\t      this.dx = this.dy = 0;\n\t    }\n\t\n\t    if (action === 'resize' && interaction.resizeAxes) {\n\t      if (options.resize.square) {\n\t        if (interaction.resizeAxes === 'y') {\n\t          this.dx = this.dy;\n\t        } else {\n\t          this.dy = this.dx;\n\t        }\n\t        this.axes = 'xy';\n\t      } else {\n\t        this.axes = interaction.resizeAxes;\n\t\n\t        if (interaction.resizeAxes === 'x') {\n\t          this.dy = 0;\n\t        } else if (interaction.resizeAxes === 'y') {\n\t          this.dx = 0;\n\t        }\n\t      }\n\t    } else if (action === 'gesture') {\n\t      this.touches = [pointers[0], pointers[1]];\n\t\n\t      if (starting) {\n\t        this.distance = touchDistance(pointers, deltaSource);\n\t        this.box = touchBBox(pointers);\n\t        this.scale = 1;\n\t        this.ds = 0;\n\t        this.angle = touchAngle(pointers, undefined, deltaSource);\n\t        this.da = 0;\n\t      } else if (ending || event instanceof InteractEvent) {\n\t        this.distance = interaction.prevEvent.distance;\n\t        this.box = interaction.prevEvent.box;\n\t        this.scale = interaction.prevEvent.scale;\n\t        this.ds = this.scale - 1;\n\t        this.angle = interaction.prevEvent.angle;\n\t        this.da = this.angle - interaction.gesture.startAngle;\n\t      } else {\n\t        this.distance = touchDistance(pointers, deltaSource);\n\t        this.box = touchBBox(pointers);\n\t        this.scale = this.distance / interaction.gesture.startDistance;\n\t        this.angle = touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\t\n\t        this.ds = this.scale - interaction.gesture.prevScale;\n\t        this.da = this.angle - interaction.gesture.prevAngle;\n\t      }\n\t    }\n\t\n\t    if (starting) {\n\t      this.timeStamp = interaction.downTimes[0];\n\t      this.dt = 0;\n\t      this.duration = 0;\n\t      this.speed = 0;\n\t      this.velocityX = 0;\n\t      this.velocityY = 0;\n\t    } else if (phase === 'inertiastart') {\n\t      this.timeStamp = interaction.prevEvent.timeStamp;\n\t      this.dt = interaction.prevEvent.dt;\n\t      this.duration = interaction.prevEvent.duration;\n\t      this.speed = interaction.prevEvent.speed;\n\t      this.velocityX = interaction.prevEvent.velocityX;\n\t      this.velocityY = interaction.prevEvent.velocityY;\n\t    } else {\n\t      this.timeStamp = new Date().getTime();\n\t      this.dt = this.timeStamp - interaction.prevEvent.timeStamp;\n\t      this.duration = this.timeStamp - interaction.downTimes[0];\n\t\n\t      if (event instanceof InteractEvent) {\n\t        var dx = this[sourceX] - interaction.prevEvent[sourceX],\n\t            dy = this[sourceY] - interaction.prevEvent[sourceY],\n\t            dt = this.dt / 1000;\n\t\n\t        this.speed = hypot(dx, dy) / dt;\n\t        this.velocityX = dx / dt;\n\t        this.velocityY = dy / dt;\n\t      }\n\t      // if normal move or end event, use previous user event coords\n\t      else {\n\t          // speed and velocity in pixels per second\n\t          this.speed = interaction.pointerDelta[deltaSource].speed;\n\t          this.velocityX = interaction.pointerDelta[deltaSource].vx;\n\t          this.velocityY = interaction.pointerDelta[deltaSource].vy;\n\t        }\n\t    }\n\t\n\t    if ((ending || phase === 'inertiastart') && interaction.prevEvent.speed > 600 && this.timeStamp - interaction.prevEvent.timeStamp < 150) {\n\t      var angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI,\n\t          overlap = 22.5;\n\t\n\t      if (angle < 0) {\n\t        angle += 360;\n\t      }\n\t\n\t      var left = 135 - overlap <= angle && angle < 225 + overlap,\n\t          up = 225 - overlap <= angle && angle < 315 + overlap,\n\t          right = !left && (315 - overlap <= angle || angle < 45 + overlap),\n\t          down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\t\n\t      this.swipe = {\n\t        up: up,\n\t        down: down,\n\t        left: left,\n\t        right: right,\n\t        angle: angle,\n\t        speed: interaction.prevEvent.speed,\n\t        velocity: {\n\t          x: interaction.prevEvent.velocityX,\n\t          y: interaction.prevEvent.velocityY\n\t        }\n\t      };\n\t    }\n\t  }\n\t\n\t  InteractEvent.prototype = {\n\t    preventDefault: blank,\n\t    stopImmediatePropagation: function stopImmediatePropagation() {\n\t      this.immediatePropagationStopped = this.propagationStopped = true;\n\t    },\n\t    stopPropagation: function stopPropagation() {\n\t      this.propagationStopped = true;\n\t    }\n\t  };\n\t\n\t  function preventOriginalDefault() {\n\t    this.originalEvent.preventDefault();\n\t  }\n\t\n\t  function getActionCursor(action) {\n\t    var cursor = '';\n\t\n\t    if (action.name === 'drag') {\n\t      cursor = actionCursors.drag;\n\t    }\n\t    if (action.name === 'resize') {\n\t      if (action.axis) {\n\t        cursor = actionCursors[action.name + action.axis];\n\t      } else if (action.edges) {\n\t        var cursorKey = 'resize',\n\t            edgeNames = ['top', 'bottom', 'left', 'right'];\n\t\n\t        for (var i = 0; i < 4; i++) {\n\t          if (action.edges[edgeNames[i]]) {\n\t            cursorKey += edgeNames[i];\n\t          }\n\t        }\n\t\n\t        cursor = actionCursors[cursorKey];\n\t      }\n\t    }\n\t\n\t    return cursor;\n\t  }\n\t\n\t  function checkResizeEdge(name, value, page, element, interactableElement, rect, margin) {\n\t    // false, '', undefined, null\n\t    if (!value) {\n\t      return false;\n\t    }\n\t\n\t    // true value, use pointer coords and element rect\n\t    if (value === true) {\n\t      // if dimensions are negative, \"switch\" edges\n\t      var width = isNumber(rect.width) ? rect.width : rect.right - rect.left,\n\t          height = isNumber(rect.height) ? rect.height : rect.bottom - rect.top;\n\t\n\t      if (width < 0) {\n\t        if (name === 'left') {\n\t          name = 'right';\n\t        } else if (name === 'right') {\n\t          name = 'left';\n\t        }\n\t      }\n\t      if (height < 0) {\n\t        if (name === 'top') {\n\t          name = 'bottom';\n\t        } else if (name === 'bottom') {\n\t          name = 'top';\n\t        }\n\t      }\n\t\n\t      if (name === 'left') {\n\t        return page.x < (width >= 0 ? rect.left : rect.right) + margin;\n\t      }\n\t      if (name === 'top') {\n\t        return page.y < (height >= 0 ? rect.top : rect.bottom) + margin;\n\t      }\n\t\n\t      if (name === 'right') {\n\t        return page.x > (width >= 0 ? rect.right : rect.left) - margin;\n\t      }\n\t      if (name === 'bottom') {\n\t        return page.y > (height >= 0 ? rect.bottom : rect.top) - margin;\n\t      }\n\t    }\n\t\n\t    // the remaining checks require an element\n\t    if (!isElement(element)) {\n\t      return false;\n\t    }\n\t\n\t    return isElement(value)\n\t    // the value is an element to use as a resize handle\n\t    ? value === element\n\t    // otherwise check if element matches value as selector\n\t    : matchesUpTo(element, value, interactableElement);\n\t  }\n\t\n\t  function defaultActionChecker(pointer, interaction, element) {\n\t    var rect = this.getRect(element),\n\t        shouldResize = false,\n\t        action = null,\n\t        resizeAxes = null,\n\t        resizeEdges,\n\t        page = extend({}, interaction.curCoords.page),\n\t        options = this.options;\n\t\n\t    if (!rect) {\n\t      return null;\n\t    }\n\t\n\t    if (actionIsEnabled.resize && options.resize.enabled) {\n\t      var resizeOptions = options.resize;\n\t\n\t      resizeEdges = {\n\t        left: false, right: false, top: false, bottom: false\n\t      };\n\t\n\t      // if using resize.edges\n\t      if (isObject(resizeOptions.edges)) {\n\t        for (var edge in resizeEdges) {\n\t          resizeEdges[edge] = checkResizeEdge(edge, resizeOptions.edges[edge], page, interaction._eventTarget, element, rect, resizeOptions.margin || margin);\n\t        }\n\t\n\t        resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n\t        resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\t\n\t        shouldResize = resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom;\n\t      } else {\n\t        var right = options.resize.axis !== 'y' && page.x > rect.right - margin,\n\t            bottom = options.resize.axis !== 'x' && page.y > rect.bottom - margin;\n\t\n\t        shouldResize = right || bottom;\n\t        resizeAxes = (right ? 'x' : '') + (bottom ? 'y' : '');\n\t      }\n\t    }\n\t\n\t    action = shouldResize ? 'resize' : actionIsEnabled.drag && options.drag.enabled ? 'drag' : null;\n\t\n\t    if (actionIsEnabled.gesture && interaction.pointerIds.length >= 2 && !(interaction.dragging || interaction.resizing)) {\n\t      action = 'gesture';\n\t    }\n\t\n\t    if (action) {\n\t      return {\n\t        name: action,\n\t        axis: resizeAxes,\n\t        edges: resizeEdges\n\t      };\n\t    }\n\t\n\t    return null;\n\t  }\n\t\n\t  // Check if action is enabled globally and the current target supports it\n\t  // If so, return the validated action. Otherwise, return null\n\t  function validateAction(action, interactable) {\n\t    if (!isObject(action)) {\n\t      return null;\n\t    }\n\t\n\t    var actionName = action.name,\n\t        options = interactable.options;\n\t\n\t    if ((actionName === 'resize' && options.resize.enabled || actionName === 'drag' && options.drag.enabled || actionName === 'gesture' && options.gesture.enabled) && actionIsEnabled[actionName]) {\n\t      if (actionName === 'resize' || actionName === 'resizeyx') {\n\t        actionName = 'resizexy';\n\t      }\n\t\n\t      return action;\n\t    }\n\t    return null;\n\t  }\n\t\n\t  var listeners = {},\n\t      interactionListeners = ['dragStart', 'dragMove', 'resizeStart', 'resizeMove', 'gestureStart', 'gestureMove', 'pointerOver', 'pointerOut', 'pointerHover', 'selectorDown', 'pointerDown', 'pointerMove', 'pointerUp', 'pointerCancel', 'pointerEnd', 'addPointer', 'removePointer', 'recordPointer', 'autoScrollMove'];\n\t\n\t  for (var i = 0, len = interactionListeners.length; i < len; i++) {\n\t    var name = interactionListeners[i];\n\t\n\t    listeners[name] = doOnInteractions(name);\n\t  }\n\t\n\t  // bound to the interactable context when a DOM event\n\t  // listener is added to a selector interactable\n\t  function delegateListener(event, useCapture) {\n\t    var fakeEvent = {},\n\t        delegated = delegatedEvents[event.type],\n\t        eventTarget = getActualElement(event.path ? event.path[0] : event.target),\n\t        element = eventTarget;\n\t\n\t    useCapture = useCapture ? true : false;\n\t\n\t    // duplicate the event so that currentTarget can be changed\n\t    for (var prop in event) {\n\t      fakeEvent[prop] = event[prop];\n\t    }\n\t\n\t    fakeEvent.originalEvent = event;\n\t    fakeEvent.preventDefault = preventOriginalDefault;\n\t\n\t    // climb up document tree looking for selector matches\n\t    while (isElement(element)) {\n\t      for (var i = 0; i < delegated.selectors.length; i++) {\n\t        var selector = delegated.selectors[i],\n\t            context = delegated.contexts[i];\n\t\n\t        if (matchesSelector(element, selector) && nodeContains(context, eventTarget) && nodeContains(context, element)) {\n\t          var listeners = delegated.listeners[i];\n\t\n\t          fakeEvent.currentTarget = element;\n\t\n\t          for (var j = 0; j < listeners.length; j++) {\n\t            if (listeners[j][1] === useCapture) {\n\t              listeners[j][0](fakeEvent);\n\t            }\n\t          }\n\t        }\n\t      }\n\t\n\t      element = parentElement(element);\n\t    }\n\t  }\n\t\n\t  function delegateUseCapture(event) {\n\t    return delegateListener.call(this, event, true);\n\t  }\n\t\n\t  interactables.indexOfElement = function indexOfElement(element, context) {\n\t    context = context || document;\n\t\n\t    for (var i = 0; i < this.length; i++) {\n\t      var interactable = this[i];\n\t\n\t      if (interactable.selector === element && interactable._context === context || !interactable.selector && interactable._element === element) {\n\t        return i;\n\t      }\n\t    }\n\t    return -1;\n\t  };\n\t\n\t  interactables.get = function interactableGet(element, options) {\n\t    return this[this.indexOfElement(element, options && options.context)];\n\t  };\n\t\n\t  interactables.forEachSelector = function (callback) {\n\t    for (var i = 0; i < this.length; i++) {\n\t      var interactable = this[i];\n\t\n\t      if (!interactable.selector) {\n\t        continue;\n\t      }\n\t\n\t      var ret = callback(interactable, interactable.selector, interactable._context, i, this);\n\t\n\t      if (ret !== undefined) {\n\t        return ret;\n\t      }\n\t    }\n\t  };\n\t\n\t  /* \\\r\n\t   * interact\r\n\t   [ method ]\r\n\t   *\r\n\t   * The methods of this variable can be used to set elements as\r\n\t   * interactables and also to change various default settings.\r\n\t   *\r\n\t   * Calling it as a function and passing an element or a valid CSS selector\r\n\t   * string returns an Interactable object which has various methods to\r\n\t   * configure it.\r\n\t   *\r\n\t   - element (Element | string) The HTML or SVG Element to interact with or CSS selector\r\n\t   = (object) An @Interactable\r\n\t   *\r\n\t   > Usage\r\n\t   | interact(document.getElementById('draggable')).draggable(true);\r\n\t   |\r\n\t   | var rectables = interact('rect');\r\n\t   | rectables\r\n\t   |     .gesturable(true)\r\n\t   |     .on('gesturemove', function (event) {\r\n\t   |         // something cool...\r\n\t   |     })\r\n\t   |     .autoScroll(true);\r\n\t  \\*/\n\t  function interact(element, options) {\n\t    return interactables.get(element, options) || new Interactable(element, options);\n\t  }\n\t\n\t  /* \\\r\n\t   * Interactable\r\n\t   [ property ]\r\n\t   **\r\n\t   * Object type returned by @interact\r\n\t  \\*/\n\t  function Interactable(element, options) {\n\t    this._element = element;\n\t    this._iEvents = this._iEvents || {};\n\t\n\t    var _window;\n\t\n\t    if (trySelector(element)) {\n\t      this.selector = element;\n\t\n\t      var context = options && options.context;\n\t\n\t      _window = context ? getWindow(context) : window;\n\t\n\t      if (context && (_window.Node ? context instanceof _window.Node : isElement(context) || context === _window.document)) {\n\t        this._context = context;\n\t      }\n\t    } else {\n\t      _window = getWindow(element);\n\t\n\t      if (isElement(element, _window)) {\n\t        if (supportsPointerEvent) {\n\t          events.add(this._element, pEventTypes.down, listeners.pointerDown);\n\t          events.add(this._element, pEventTypes.move, listeners.pointerHover);\n\t        } else {\n\t          events.add(this._element, 'mousedown', listeners.pointerDown);\n\t          events.add(this._element, 'mousemove', listeners.pointerHover);\n\t          events.add(this._element, 'touchstart', listeners.pointerDown);\n\t          events.add(this._element, 'touchmove', listeners.pointerHover);\n\t        }\n\t      }\n\t    }\n\t\n\t    this._doc = _window.document;\n\t\n\t    if (!contains(documents, this._doc)) {\n\t      listenToDocument(this._doc);\n\t    }\n\t\n\t    interactables.push(this);\n\t\n\t    this.set(options);\n\t  }\n\t\n\t  Interactable.prototype = {\n\t    setOnEvents: function setOnEvents(action, phases) {\n\t      if (action === 'drop') {\n\t        if (isFunction(phases.ondrop)) {\n\t          this.ondrop = phases.ondrop;\n\t        }\n\t        if (isFunction(phases.ondropactivate)) {\n\t          this.ondropactivate = phases.ondropactivate;\n\t        }\n\t        if (isFunction(phases.ondropdeactivate)) {\n\t          this.ondropdeactivate = phases.ondropdeactivate;\n\t        }\n\t        if (isFunction(phases.ondragenter)) {\n\t          this.ondragenter = phases.ondragenter;\n\t        }\n\t        if (isFunction(phases.ondragleave)) {\n\t          this.ondragleave = phases.ondragleave;\n\t        }\n\t        if (isFunction(phases.ondropmove)) {\n\t          this.ondropmove = phases.ondropmove;\n\t        }\n\t      } else {\n\t        action = 'on' + action;\n\t\n\t        if (isFunction(phases.onstart)) {\n\t          this[action + 'start'] = phases.onstart;\n\t        }\n\t        if (isFunction(phases.onmove)) {\n\t          this[action + 'move'] = phases.onmove;\n\t        }\n\t        if (isFunction(phases.onend)) {\n\t          this[action + 'end'] = phases.onend;\n\t        }\n\t        if (isFunction(phases.oninertiastart)) {\n\t          this[action + 'inertiastart'] = phases.oninertiastart;\n\t        }\n\t      }\n\t\n\t      return this;\n\t    },\n\t\n\t    /* \\\r\n\t     * Interactable.draggable\r\n\t     [ method ]\r\n\t     *\r\n\t     * Gets or sets whether drag actions can be performed on the\r\n\t     * Interactable\r\n\t     *\r\n\t     = (boolean) Indicates if this can be the target of drag events\r\n\t     | var isDraggable = interact('ul li').draggable();\r\n\t     * or\r\n\t     - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\r\n\t     = (object) This Interactable\r\n\t     | interact(element).draggable({\r\n\t     |     onstart: function (event) {},\r\n\t     |     onmove : function (event) {},\r\n\t     |     onend  : function (event) {},\r\n\t     |\r\n\t     |     // the axis in which the first movement must be\r\n\t     |     // for the drag sequence to start\r\n\t     |     // 'xy' by default - any direction\r\n\t     |     axis: 'x' || 'y' || 'xy',\r\n\t     |\r\n\t     |     // max number of drags that can happen concurrently\r\n\t     |     // with elements of this Interactable. Infinity by default\r\n\t     |     max: Infinity,\r\n\t     |\r\n\t     |     // max number of drags that can target the same element+Interactable\r\n\t     |     // 1 by default\r\n\t     |     maxPerElement: 2\r\n\t     | });\r\n\t    \\*/\n\t    draggable: function draggable(options) {\n\t      if (isObject(options)) {\n\t        this.options.drag.enabled = options.enabled === false ? false : true;\n\t        this.setPerAction('drag', options);\n\t        this.setOnEvents('drag', options);\n\t\n\t        if (/^x$|^y$|^xy$/.test(options.axis)) {\n\t          this.options.drag.axis = options.axis;\n\t        } else if (options.axis === null) {\n\t          delete this.options.drag.axis;\n\t        }\n\t\n\t        return this;\n\t      }\n\t\n\t      if (isBool(options)) {\n\t        this.options.drag.enabled = options;\n\t\n\t        return this;\n\t      }\n\t\n\t      return this.options.drag;\n\t    },\n\t\n\t    setPerAction: function setPerAction(action, options) {\n\t      // for all the default per-action options\n\t      for (var option in options) {\n\t        // if this option exists for this action\n\t        if (option in defaultOptions[action]) {\n\t          // if the option in the options arg is an object value\n\t          if (isObject(options[option])) {\n\t            // duplicate the object\n\t            this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\t\n\t            if (isObject(defaultOptions.perAction[option]) && 'enabled' in defaultOptions.perAction[option]) {\n\t              this.options[action][option].enabled = options[option].enabled === false ? false : true;\n\t            }\n\t          } else if (isBool(options[option]) && isObject(defaultOptions.perAction[option])) {\n\t            this.options[action][option].enabled = options[option];\n\t          } else if (options[option] !== undefined) {\n\t            // or if it's not undefined, do a plain assignment\n\t            this.options[action][option] = options[option];\n\t          }\n\t        }\n\t      }\n\t    },\n\t\n\t    /* \\\r\n\t     * Interactable.dropzone\r\n\t     [ method ]\r\n\t     *\r\n\t     * Returns or sets whether elements can be dropped onto this\r\n\t     * Interactable to trigger drop events\r\n\t     *\r\n\t     * Dropzones can receive the following events:\r\n\t     *  - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\r\n\t     *  - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\r\n\t     *  - `dragmove` when a draggable that has entered the dropzone is moved\r\n\t     *  - `drop` when a draggable is dropped into this dropzone\r\n\t     *\r\n\t     *  Use the `accept` option to allow only elements that match the given CSS selector or element.\r\n\t     *\r\n\t     *  Use the `overlap` option to set how drops are checked for. The allowed values are:\r\n\t     *   - `'pointer'`, the pointer must be over the dropzone (default)\r\n\t     *   - `'center'`, the draggable element's center must be over the dropzone\r\n\t     *   - a number from 0-1 which is the `(intersection area) / (draggable area)`.\r\n\t     *       e.g. `0.5` for drop to happen when half of the area of the\r\n\t     *       draggable is over the dropzone\r\n\t     *\r\n\t     - options (boolean | object | null) #optional The new value to be set.\r\n\t     | interact('.drop').dropzone({\r\n\t     |   accept: '.can-drop' || document.getElementById('single-drop'),\r\n\t     |   overlap: 'pointer' || 'center' || zeroToOne\r\n\t     | }\r\n\t     = (boolean | object) The current setting or this Interactable\r\n\t    \\*/\n\t    dropzone: function dropzone(options) {\n\t      if (isObject(options)) {\n\t        this.options.drop.enabled = options.enabled === false ? false : true;\n\t        this.setOnEvents('drop', options);\n\t\n\t        if (/^(pointer|center)$/.test(options.overlap)) {\n\t          this.options.drop.overlap = options.overlap;\n\t        } else if (isNumber(options.overlap)) {\n\t          this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n\t        }\n\t        if ('accept' in options) {\n\t          this.options.drop.accept = options.accept;\n\t        }\n\t        if ('checker' in options) {\n\t          this.options.drop.checker = options.checker;\n\t        }\n\t\n\t        return this;\n\t      }\n\t\n\t      if (isBool(options)) {\n\t        this.options.drop.enabled = options;\n\t\n\t        return this;\n\t      }\n\t\n\t      return this.options.drop;\n\t    },\n\t\n\t    dropCheck: function dropCheck(dragEvent, event, draggable, draggableElement, dropElement, rect) {\n\t      var dropped = false;\n\t\n\t      // if the dropzone has no rect (eg. display: none)\n\t      // call the custom dropChecker or just return false\n\t      if (!(rect = rect || this.getRect(dropElement))) {\n\t        return this.options.drop.checker ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement) : false;\n\t      }\n\t\n\t      var dropOverlap = this.options.drop.overlap;\n\t\n\t      if (dropOverlap === 'pointer') {\n\t        var page = _getPageXY(dragEvent),\n\t            origin = getOriginXY(draggable, draggableElement),\n\t            horizontal,\n\t            vertical;\n\t\n\t        page.x += origin.x;\n\t        page.y += origin.y;\n\t\n\t        horizontal = page.x > rect.left && page.x < rect.right;\n\t        vertical = page.y > rect.top && page.y < rect.bottom;\n\t\n\t        dropped = horizontal && vertical;\n\t      }\n\t\n\t      var dragRect = draggable.getRect(draggableElement);\n\t\n\t      if (dropOverlap === 'center') {\n\t        var cx = dragRect.left + dragRect.width / 2,\n\t            cy = dragRect.top + dragRect.height / 2;\n\t\n\t        dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n\t      }\n\t\n\t      if (isNumber(dropOverlap)) {\n\t        var overlapArea = Math.max(0, Math.min(rect.right, dragRect.right) - Math.max(rect.left, dragRect.left)) * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top, dragRect.top)),\n\t            overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\t\n\t        dropped = overlapRatio >= dropOverlap;\n\t      }\n\t\n\t      if (this.options.drop.checker) {\n\t        dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n\t      }\n\t\n\t      return dropped;\n\t    },\n\t\n\t    /* \\\r\n\t     * Interactable.dropChecker\r\n\t     [ method ]\r\n\t     *\r\n\t     * DEPRECATED. Use interactable.dropzone({ checker: function... }) instead.\r\n\t     *\r\n\t     * Gets or sets the function used to check if a dragged element is\r\n\t     * over this Interactable.\r\n\t     *\r\n\t     - checker (function) #optional The function that will be called when checking for a drop\r\n\t     = (Function | Interactable) The checker function or this Interactable\r\n\t     *\r\n\t     * The checker function takes the following arguments:\r\n\t     *\r\n\t     - dragEvent (InteractEvent) The related dragmove or dragend event\r\n\t     - event (TouchEvent | PointerEvent | MouseEvent) The user move/up/end Event related to the dragEvent\r\n\t     - dropped (boolean) The value from the default drop checker\r\n\t     - dropzone (Interactable) The dropzone interactable\r\n\t     - dropElement (Element) The dropzone element\r\n\t     - draggable (Interactable) The Interactable being dragged\r\n\t     - draggableElement (Element) The actual element that's being dragged\r\n\t     *\r\n\t     > Usage:\r\n\t     | interact(target)\r\n\t     | .dropChecker(function(dragEvent,         // related dragmove or dragend event\r\n\t     |                       event,             // TouchEvent/PointerEvent/MouseEvent\r\n\t     |                       dropped,           // bool result of the default checker\r\n\t     |                       dropzone,          // dropzone Interactable\r\n\t     |                       dropElement,       // dropzone elemnt\r\n\t     |                       draggable,         // draggable Interactable\r\n\t     |                       draggableElement) {// draggable element\r\n\t     |\r\n\t     |   return dropped && event.target.hasAttribute('allow-drop');\r\n\t     | }\r\n\t    \\*/\n\t    dropChecker: function dropChecker(checker) {\n\t      if (isFunction(checker)) {\n\t        this.options.drop.checker = checker;\n\t\n\t        return this;\n\t      }\n\t      if (checker === null) {\n\t        delete this.options.getRect;\n\t\n\t        return this;\n\t      }\n\t\n\t      return this.options.drop.checker;\n\t    },\n\t\n\t    /* \\\r\n\t     * Interactable.accept\r\n\t     [ method ]\r\n\t     *\r\n\t     * Deprecated. add an `accept` property to the options object passed to\r\n\t     * @Interactable.dropzone instead.\r\n\t     *\r\n\t     * Gets or sets the Element or CSS selector match that this\r\n\t     * Interactable accepts if it is a dropzone.\r\n\t     *\r\n\t     - newValue (Element | string | null) #optional\r\n\t     * If it is an Element, then only that element can be dropped into this dropzone.\r\n\t     * If it is a string, the element being dragged must match it as a selector.\r\n\t     * If it is null, the accept options is cleared - it accepts any element.\r\n\t     *\r\n\t     = (string | Element | null | Interactable) The current accept option if given `undefined` or this Interactable\r\n\t    \\*/\n\t    accept: function accept(newValue) {\n\t      if (isElement(newValue)) {\n\t        this.options.drop.accept = newValue;\n\t\n\t        return this;\n\t      }\n\t\n\t      // test if it is a valid CSS selector\n\t      if (trySelector(newValue)) {\n\t        this.options.drop.accept = newValue;\n\t\n\t        return this;\n\t      }\n\t\n\t      if (newValue === null) {\n\t        delete this.options.drop.accept;\n\t\n\t        return this;\n\t      }\n\t\n\t      return this.options.drop.accept;\n\t    },\n\t\n\t    /* \\\r\n\t     * Interactable.resizable\r\n\t     [ method ]\r\n\t     *\r\n\t     * Gets or sets whether resize actions can be performed on the\r\n\t     * Interactable\r\n\t     *\r\n\t     = (boolean) Indicates if this can be the target of resize elements\r\n\t     | var isResizeable = interact('input[type=text]').resizable();\r\n\t     * or\r\n\t     - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\r\n\t     = (object) This Interactable\r\n\t     | interact(element).resizable({\r\n\t     |     onstart: function (event) {},\r\n\t     |     onmove : function (event) {},\r\n\t     |     onend  : function (event) {},\r\n\t     |\r\n\t     |     edges: {\r\n\t     |       top   : true,       // Use pointer coords to check for resize.\r\n\t     |       left  : false,      // Disable resizing from left edge.\r\n\t     |       bottom: '.resize-s',// Resize if pointer target matches selector\r\n\t     |       right : handleEl    // Resize if pointer target is the given Element\r\n\t     |     },\r\n\t     |\r\n\t     |     // Width and height can be adjusted independently. When `true`, width and\r\n\t     |     // height are adjusted at a 1:1 ratio.\r\n\t     |     square: false,\r\n\t     |\r\n\t     |     // Width and height can be adjusted independently. When `true`, width and\r\n\t     |     // height maintain the aspect ratio they had when resizing started.\r\n\t     |     preserveAspectRatio: false,\r\n\t     |\r\n\t     |     // a value of 'none' will limit the resize rect to a minimum of 0x0\r\n\t     |     // 'negate' will allow the rect to have negative width/height\r\n\t     |     // 'reposition' will keep the width/height positive by swapping\r\n\t     |     // the top and bottom edges and/or swapping the left and right edges\r\n\t     |     invert: 'none' || 'negate' || 'reposition'\r\n\t     |\r\n\t     |     // limit multiple resizes.\r\n\t     |     // See the explanation in the @Interactable.draggable example\r\n\t     |     max: Infinity,\r\n\t     |     maxPerElement: 1,\r\n\t     | });\r\n\t    \\*/\n\t    resizable: function resizable(options) {\n\t      if (isObject(options)) {\n\t        this.options.resize.enabled = options.enabled === false ? false : true;\n\t        this.setPerAction('resize', options);\n\t        this.setOnEvents('resize', options);\n\t\n\t        if (/^x$|^y$|^xy$/.test(options.axis)) {\n\t          this.options.resize.axis = options.axis;\n\t        } else if (options.axis === null) {\n\t          this.options.resize.axis = defaultOptions.resize.axis;\n\t        }\n\t\n\t        if (isBool(options.preserveAspectRatio)) {\n\t          this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n\t        } else if (isBool(options.square)) {\n\t          this.options.resize.square = options.square;\n\t        }\n\t\n\t        return this;\n\t      }\n\t      if (isBool(options)) {\n\t        this.options.resize.enabled = options;\n\t\n\t        return this;\n\t      }\n\t      return this.options.resize;\n\t    },\n\t\n\t    /* \\\r\n\t     * Interactable.squareResize\r\n\t     [ method ]\r\n\t     *\r\n\t     * Deprecated. Add a `square: true || false` property to @Interactable.resizable instead\r\n\t     *\r\n\t     * Gets or sets whether resizing is forced 1:1 aspect\r\n\t     *\r\n\t     = (boolean) Current setting\r\n\t     *\r\n\t     * or\r\n\t     *\r\n\t     - newValue (boolean) #optional\r\n\t     = (object) this Interactable\r\n\t    \\*/\n\t    squareResize: function squareResize(newValue) {\n\t      if (isBool(newValue)) {\n\t        this.options.resize.square = newValue;\n\t\n\t        return this;\n\t      }\n\t\n\t      if (newValue === null) {\n\t        delete this.options.resize.square;\n\t\n\t        return this;\n\t      }\n\t\n\t      return this.options.resize.square;\n\t    },\n\t\n\t    /* \\\r\n\t     * Interactable.gesturable\r\n\t     [ method ]\r\n\t     *\r\n\t     * Gets or sets whether multitouch gestures can be performed on the\r\n\t     * Interactable's element\r\n\t     *\r\n\t     = (boolean) Indicates if this can be the target of gesture events\r\n\t     | var isGestureable = interact(element).gesturable();\r\n\t     * or\r\n\t     - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\r\n\t     = (object) this Interactable\r\n\t     | interact(element).gesturable({\r\n\t     |     onstart: function (event) {},\r\n\t     |     onmove : function (event) {},\r\n\t     |     onend  : function (event) {},\r\n\t     |\r\n\t     |     // limit multiple gestures.\r\n\t     |     // See the explanation in @Interactable.draggable example\r\n\t     |     max: Infinity,\r\n\t     |     maxPerElement: 1,\r\n\t     | });\r\n\t    \\*/\n\t    gesturable: function gesturable(options) {\n\t      if (isObject(options)) {\n\t        this.options.gesture.enabled = options.enabled === false ? false : true;\n\t        this.setPerAction('gesture', options);\n\t        this.setOnEvents('gesture', options);\n\t\n\t        return this;\n\t      }\n\t\n\t      if (isBool(options)) {\n\t        this.options.gesture.enabled = options;\n\t\n\t        return this;\n\t      }\n\t\n\t      return this.options.gesture;\n\t    },\n\t\n\t    /* \\\r\n\t     * Interactable.autoScroll\r\n\t     [ method ]\r\n\t     **\r\n\t     * Deprecated. Add an `autoscroll` property to the options object\r\n\t     * passed to @Interactable.draggable or @Interactable.resizable instead.\r\n\t     *\r\n\t     * Returns or sets whether dragging and resizing near the edges of the\r\n\t     * window/container trigger autoScroll for this Interactable\r\n\t     *\r\n\t     = (object) Object with autoScroll properties\r\n\t     *\r\n\t     * or\r\n\t     *\r\n\t     - options (object | boolean) #optional\r\n\t     * options can be:\r\n\t     * - an object with margin, distance and interval properties,\r\n\t     * - true or false to enable or disable autoScroll or\r\n\t     = (Interactable) this Interactable\r\n\t    \\*/\n\t    autoScroll: function autoScroll(options) {\n\t      if (isObject(options)) {\n\t        options = extend({ actions: ['drag', 'resize'] }, options);\n\t      } else if (isBool(options)) {\n\t        options = { actions: ['drag', 'resize'], enabled: options };\n\t      }\n\t\n\t      return this.setOptions('autoScroll', options);\n\t    },\n\t\n\t    /* \\\r\n\t     * Interactable.snap\r\n\t     [ method ]\r\n\t     **\r\n\t     * Deprecated. Add a `snap` property to the options object passed\r\n\t     * to @Interactable.draggable or @Interactable.resizable instead.\r\n\t     *\r\n\t     * Returns or sets if and how action coordinates are snapped. By\r\n\t     * default, snapping is relative to the pointer coordinates. You can\r\n\t     * change this by setting the\r\n\t     * [`elementOrigin`](https://github.com/taye/interact.js/pull/72).\r\n\t     **\r\n\t     = (boolean | object) `false` if snap is disabled; object with snap properties if snap is enabled\r\n\t     **\r\n\t     * or\r\n\t     **\r\n\t     - options (object | boolean | null) #optional\r\n\t     = (Interactable) this Interactable\r\n\t     > Usage\r\n\t     | interact(document.querySelector('#thing')).snap({\r\n\t     |     targets: [\r\n\t     |         // snap to this specific point\r\n\t     |         {\r\n\t     |             x: 100,\r\n\t     |             y: 100,\r\n\t     |             range: 25\r\n\t     |         },\r\n\t     |         // give this function the x and y page coords and snap to the object returned\r\n\t     |         function (x, y) {\r\n\t     |             return {\r\n\t     |                 x: x,\r\n\t     |                 y: (75 + 50 * Math.sin(x * 0.04)),\r\n\t     |                 range: 40\r\n\t     |             };\r\n\t     |         },\r\n\t     |         // create a function that snaps to a grid\r\n\t     |         interact.createSnapGrid({\r\n\t     |             x: 50,\r\n\t     |             y: 50,\r\n\t     |             range: 10,              // optional\r\n\t     |             offset: { x: 5, y: 10 } // optional\r\n\t     |         })\r\n\t     |     ],\r\n\t     |     // do not snap during normal movement.\r\n\t     |     // Instead, trigger only one snapped move event\r\n\t     |     // immediately before the end event.\r\n\t     |     endOnly: true,\r\n\t     |\r\n\t     |     relativePoints: [\r\n\t     |         { x: 0, y: 0 },  // snap relative to the top left of the element\r\n\t     |         { x: 1, y: 1 },  // and also to the bottom right\r\n\t     |     ],\r\n\t     |\r\n\t     |     // offset the snap target coordinates\r\n\t     |     // can be an object with x/y or 'startCoords'\r\n\t     |     offset: { x: 50, y: 50 }\r\n\t     |   }\r\n\t     | });\r\n\t    \\*/\n\t    snap: function snap(options) {\n\t      var ret = this.setOptions('snap', options);\n\t\n\t      if (ret === this) {\n\t        return this;\n\t      }\n\t\n\t      return ret.drag;\n\t    },\n\t\n\t    setOptions: function setOptions(option, options) {\n\t      var actions = options && isArray(options.actions) ? options.actions : ['drag'];\n\t\n\t      var i;\n\t\n\t      if (isObject(options) || isBool(options)) {\n\t        for (i = 0; i < actions.length; i++) {\n\t          var action = /resize/.test(actions[i]) ? 'resize' : actions[i];\n\t\n\t          if (!isObject(this.options[action])) {\n\t            continue;\n\t          }\n\t\n\t          var thisOption = this.options[action][option];\n\t\n\t          if (isObject(options)) {\n\t            extend(thisOption, options);\n\t            thisOption.enabled = options.enabled === false ? false : true;\n\t\n\t            if (option === 'snap') {\n\t              if (thisOption.mode === 'grid') {\n\t                thisOption.targets = [interact.createSnapGrid(extend({\n\t                  offset: thisOption.gridOffset || { x: 0, y: 0 }\n\t                }, thisOption.grid || {}))];\n\t              } else if (thisOption.mode === 'anchor') {\n\t                thisOption.targets = thisOption.anchors;\n\t              } else if (thisOption.mode === 'path') {\n\t                thisOption.targets = thisOption.paths;\n\t              }\n\t\n\t              if ('elementOrigin' in options) {\n\t                thisOption.relativePoints = [options.elementOrigin];\n\t              }\n\t            }\n\t          } else if (isBool(options)) {\n\t            thisOption.enabled = options;\n\t          }\n\t        }\n\t\n\t        return this;\n\t      }\n\t\n\t      var ret = {},\n\t          allActions = ['drag', 'resize', 'gesture'];\n\t\n\t      for (i = 0; i < allActions.length; i++) {\n\t        if (option in defaultOptions[allActions[i]]) {\n\t          ret[allActions[i]] = this.options[allActions[i]][option];\n\t        }\n\t      }\n\t\n\t      return ret;\n\t    },\n\t\n\t    /* \\\r\n\t     * Interactable.inertia\r\n\t     [ method ]\r\n\t     **\r\n\t     * Deprecated. Add an `inertia` property to the options object passed\r\n\t     * to @Interactable.draggable or @Interactable.resizable instead.\r\n\t     *\r\n\t     * Returns or sets if and how events continue to run after the pointer is released\r\n\t     **\r\n\t     = (boolean | object) `false` if inertia is disabled; `object` with inertia properties if inertia is enabled\r\n\t     **\r\n\t     * or\r\n\t     **\r\n\t     - options (object | boolean | null) #optional\r\n\t     = (Interactable) this Interactable\r\n\t     > Usage\r\n\t     | // enable and use default settings\r\n\t     | interact(element).inertia(true);\r\n\t     |\r\n\t     | // enable and use custom settings\r\n\t     | interact(element).inertia({\r\n\t     |     // value greater than 0\r\n\t     |     // high values slow the object down more quickly\r\n\t     |     resistance     : 16,\r\n\t     |\r\n\t     |     // the minimum launch speed (pixels per second) that results in inertia start\r\n\t     |     minSpeed       : 200,\r\n\t     |\r\n\t     |     // inertia will stop when the object slows down to this speed\r\n\t     |     endSpeed       : 20,\r\n\t     |\r\n\t     |     // boolean; should actions be resumed when the pointer goes down during inertia\r\n\t     |     allowResume    : true,\r\n\t     |\r\n\t     |     // boolean; should the jump when resuming from inertia be ignored in event.dx/dy\r\n\t     |     zeroResumeDelta: false,\r\n\t     |\r\n\t     |     // if snap/restrict are set to be endOnly and inertia is enabled, releasing\r\n\t     |     // the pointer without triggering inertia will animate from the release\r\n\t     |     // point to the snaped/restricted point in the given amount of time (ms)\r\n\t     |     smoothEndDuration: 300,\r\n\t     |\r\n\t     |     // an array of action types that can have inertia (no gesture)\r\n\t     |     actions        : ['drag', 'resize']\r\n\t     | });\r\n\t     |\r\n\t     | // reset custom settings and use all defaults\r\n\t     | interact(element).inertia(null);\r\n\t    \\*/\n\t    inertia: function inertia(options) {\n\t      var ret = this.setOptions('inertia', options);\n\t\n\t      if (ret === this) {\n\t        return this;\n\t      }\n\t\n\t      return ret.drag;\n\t    },\n\t\n\t    getAction: function getAction(pointer, event, interaction, element) {\n\t      var action = this.defaultActionChecker(pointer, interaction, element);\n\t\n\t      if (this.options.actionChecker) {\n\t        return this.options.actionChecker(pointer, event, action, this, element, interaction);\n\t      }\n\t\n\t      return action;\n\t    },\n\t\n\t    defaultActionChecker: defaultActionChecker,\n\t\n\t    /* \\\r\n\t     * Interactable.actionChecker\r\n\t     [ method ]\r\n\t     *\r\n\t     * Gets or sets the function used to check action to be performed on\r\n\t     * pointerDown\r\n\t     *\r\n\t     - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\r\n\t     = (Function | Interactable) The checker function or this Interactable\r\n\t     *\r\n\t     | interact('.resize-drag')\r\n\t     |   .resizable(true)\r\n\t     |   .draggable(true)\r\n\t     |   .actionChecker(function (pointer, event, action, interactable, element, interaction) {\r\n\t     |\r\n\t     |   if (interact.matchesSelector(event.target, '.drag-handle') {\r\n\t     |     // force drag with handle target\r\n\t     |     action.name = drag;\r\n\t     |   }\r\n\t     |   else {\r\n\t     |     // resize from the top and right edges\r\n\t     |     action.name  = 'resize';\r\n\t     |     action.edges = { top: true, right: true };\r\n\t     |   }\r\n\t     |\r\n\t     |   return action;\r\n\t     | });\r\n\t    \\*/\n\t    actionChecker: function actionChecker(checker) {\n\t      if (isFunction(checker)) {\n\t        this.options.actionChecker = checker;\n\t\n\t        return this;\n\t      }\n\t\n\t      if (checker === null) {\n\t        delete this.options.actionChecker;\n\t\n\t        return this;\n\t      }\n\t\n\t      return this.options.actionChecker;\n\t    },\n\t\n\t    /* \\\r\n\t     * Interactable.getRect\r\n\t     [ method ]\r\n\t     *\r\n\t     * The default function to get an Interactables bounding rect. Can be\r\n\t     * overridden using @Interactable.rectChecker.\r\n\t     *\r\n\t     - element (Element) #optional The element to measure.\r\n\t     = (object) The object's bounding rectangle.\r\n\t     o {\r\n\t     o     top   : 0,\r\n\t     o     left  : 0,\r\n\t     o     bottom: 0,\r\n\t     o     right : 0,\r\n\t     o     width : 0,\r\n\t     o     height: 0\r\n\t     o }\r\n\t    \\*/\n\t    getRect: function rectCheck(element) {\n\t      element = element || this._element;\n\t\n\t      if (this.selector && !isElement(element)) {\n\t        element = this._context.querySelector(this.selector);\n\t      }\n\t\n\t      return getElementRect(element);\n\t    },\n\t\n\t    /* \\\r\n\t     * Interactable.rectChecker\r\n\t     [ method ]\r\n\t     *\r\n\t     * Returns or sets the function used to calculate the interactable's\r\n\t     * element's rectangle\r\n\t     *\r\n\t     - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\r\n\t     = (function | object) The checker function or this Interactable\r\n\t    \\*/\n\t    rectChecker: function rectChecker(checker) {\n\t      if (isFunction(checker)) {\n\t        this.getRect = checker;\n\t\n\t        return this;\n\t      }\n\t\n\t      if (checker === null) {\n\t        delete this.options.getRect;\n\t\n\t        return this;\n\t      }\n\t\n\t      return this.getRect;\n\t    },\n\t\n\t    /* \\\r\n\t     * Interactable.styleCursor\r\n\t     [ method ]\r\n\t     *\r\n\t     * Returns or sets whether the action that would be performed when the\r\n\t     * mouse on the element are checked on `mousemove` so that the cursor\r\n\t     * may be styled appropriately\r\n\t     *\r\n\t     - newValue (boolean) #optional\r\n\t     = (boolean | Interactable) The current setting or this Interactable\r\n\t    \\*/\n\t    styleCursor: function styleCursor(newValue) {\n\t      if (isBool(newValue)) {\n\t        this.options.styleCursor = newValue;\n\t\n\t        return this;\n\t      }\n\t\n\t      if (newValue === null) {\n\t        delete this.options.styleCursor;\n\t\n\t        return this;\n\t      }\n\t\n\t      return this.options.styleCursor;\n\t    },\n\t\n\t    /* \\\r\n\t     * Interactable.preventDefault\r\n\t     [ method ]\r\n\t     *\r\n\t     * Returns or sets whether to prevent the browser's default behaviour\r\n\t     * in response to pointer events. Can be set to:\r\n\t     *  - `'always'` to always prevent\r\n\t     *  - `'never'` to never prevent\r\n\t     *  - `'auto'` to let interact.js try to determine what would be best\r\n\t     *\r\n\t     - newValue (string) #optional `true`, `false` or `'auto'`\r\n\t     = (string | Interactable) The current setting or this Interactable\r\n\t    \\*/\n\t    preventDefault: function preventDefault(newValue) {\n\t      if (/^(always|never|auto)$/.test(newValue)) {\n\t        this.options.preventDefault = newValue;\n\t        return this;\n\t      }\n\t\n\t      if (isBool(newValue)) {\n\t        this.options.preventDefault = newValue ? 'always' : 'never';\n\t        return this;\n\t      }\n\t\n\t      return this.options.preventDefault;\n\t    },\n\t\n\t    /* \\\r\n\t     * Interactable.origin\r\n\t     [ method ]\r\n\t     *\r\n\t     * Gets or sets the origin of the Interactable's element.  The x and y\r\n\t     * of the origin will be subtracted from action event coordinates.\r\n\t     *\r\n\t     - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\r\n\t     * OR\r\n\t     - origin (Element) #optional An HTML or SVG Element whose rect will be used\r\n\t     **\r\n\t     = (object) The current origin or this Interactable\r\n\t    \\*/\n\t    origin: function origin(newValue) {\n\t      if (trySelector(newValue)) {\n\t        this.options.origin = newValue;\n\t        return this;\n\t      } else if (isObject(newValue)) {\n\t        this.options.origin = newValue;\n\t        return this;\n\t      }\n\t\n\t      return this.options.origin;\n\t    },\n\t\n\t    /* \\\r\n\t     * Interactable.deltaSource\r\n\t     [ method ]\r\n\t     *\r\n\t     * Returns or sets the mouse coordinate types used to calculate the\r\n\t     * movement of the pointer.\r\n\t     *\r\n\t     - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\r\n\t     = (string | object) The current deltaSource or this Interactable\r\n\t    \\*/\n\t    deltaSource: function deltaSource(newValue) {\n\t      if (newValue === 'page' || newValue === 'client') {\n\t        this.options.deltaSource = newValue;\n\t\n\t        return this;\n\t      }\n\t\n\t      return this.options.deltaSource;\n\t    },\n\t\n\t    /* \\\r\n\t     * Interactable.restrict\r\n\t     [ method ]\r\n\t     **\r\n\t     * Deprecated. Add a `restrict` property to the options object passed to\r\n\t     * @Interactable.draggable, @Interactable.resizable or @Interactable.gesturable instead.\r\n\t     *\r\n\t     * Returns or sets the rectangles within which actions on this\r\n\t     * interactable (after snap calculations) are restricted. By default,\r\n\t     * restricting is relative to the pointer coordinates. You can change\r\n\t     * this by setting the\r\n\t     * [`elementRect`](https://github.com/taye/interact.js/pull/72).\r\n\t     **\r\n\t     - options (object) #optional an object with keys drag, resize, and/or gesture whose values are rects, Elements, CSS selectors, or 'parent' or 'self'\r\n\t     = (object) The current restrictions object or this Interactable\r\n\t     **\r\n\t     | interact(element).restrict({\r\n\t     |     // the rect will be `interact.getElementRect(element.parentNode)`\r\n\t     |     drag: element.parentNode,\r\n\t     |\r\n\t     |     // x and y are relative to the the interactable's origin\r\n\t     |     resize: { x: 100, y: 100, width: 200, height: 200 }\r\n\t     | })\r\n\t     |\r\n\t     | interact('.draggable').restrict({\r\n\t     |     // the rect will be the selected element's parent\r\n\t     |     drag: 'parent',\r\n\t     |\r\n\t     |     // do not restrict during normal movement.\r\n\t     |     // Instead, trigger only one restricted move event\r\n\t     |     // immediately before the end event.\r\n\t     |     endOnly: true,\r\n\t     |\r\n\t     |     // https://github.com/taye/interact.js/pull/72#issue-41813493\r\n\t     |     elementRect: { top: 0, left: 0, bottom: 1, right: 1 }\r\n\t     | });\r\n\t    \\*/\n\t    restrict: function restrict(options) {\n\t      if (!isObject(options)) {\n\t        return this.setOptions('restrict', options);\n\t      }\n\t\n\t      var actions = ['drag', 'resize', 'gesture'],\n\t          ret;\n\t\n\t      for (var i = 0; i < actions.length; i++) {\n\t        var action = actions[i];\n\t\n\t        if (action in options) {\n\t          var perAction = extend({\n\t            actions: [action],\n\t            restriction: options[action]\n\t          }, options);\n\t\n\t          ret = this.setOptions('restrict', perAction);\n\t        }\n\t      }\n\t\n\t      return ret;\n\t    },\n\t\n\t    /* \\\r\n\t     * Interactable.context\r\n\t     [ method ]\r\n\t     *\r\n\t     * Gets the selector context Node of the Interactable. The default is `window.document`.\r\n\t     *\r\n\t     = (Node) The context Node of this Interactable\r\n\t     **\r\n\t    \\*/\n\t    context: function context() {\n\t      return this._context;\n\t    },\n\t\n\t    _context: document,\n\t\n\t    /* \\\r\n\t     * Interactable.ignoreFrom\r\n\t     [ method ]\r\n\t     *\r\n\t     * If the target of the `mousedown`, `pointerdown` or `touchstart`\r\n\t     * event or any of it's parents match the given CSS selector or\r\n\t     * Element, no drag/resize/gesture is started.\r\n\t     *\r\n\t     - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\r\n\t     = (string | Element | object) The current ignoreFrom value or this Interactable\r\n\t     **\r\n\t     | interact(element, { ignoreFrom: document.getElementById('no-action') });\r\n\t     | // or\r\n\t     | interact(element).ignoreFrom('input, textarea, a');\r\n\t    \\*/\n\t    ignoreFrom: function ignoreFrom(newValue) {\n\t      if (trySelector(newValue)) {\n\t        // CSS selector to match event.target\n\t        this.options.ignoreFrom = newValue;\n\t        return this;\n\t      }\n\t\n\t      if (isElement(newValue)) {\n\t        // specific element\n\t        this.options.ignoreFrom = newValue;\n\t        return this;\n\t      }\n\t\n\t      return this.options.ignoreFrom;\n\t    },\n\t\n\t    /* \\\r\n\t     * Interactable.allowFrom\r\n\t     [ method ]\r\n\t     *\r\n\t     * A drag/resize/gesture is started only If the target of the\r\n\t     * `mousedown`, `pointerdown` or `touchstart` event or any of it's\r\n\t     * parents match the given CSS selector or Element.\r\n\t     *\r\n\t     - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\r\n\t     = (string | Element | object) The current allowFrom value or this Interactable\r\n\t     **\r\n\t     | interact(element, { allowFrom: document.getElementById('drag-handle') });\r\n\t     | // or\r\n\t     | interact(element).allowFrom('.handle');\r\n\t    \\*/\n\t    allowFrom: function allowFrom(newValue) {\n\t      if (trySelector(newValue)) {\n\t        // CSS selector to match event.target\n\t        this.options.allowFrom = newValue;\n\t        return this;\n\t      }\n\t\n\t      if (isElement(newValue)) {\n\t        // specific element\n\t        this.options.allowFrom = newValue;\n\t        return this;\n\t      }\n\t\n\t      return this.options.allowFrom;\n\t    },\n\t\n\t    /* \\\r\n\t     * Interactable.element\r\n\t     [ method ]\r\n\t     *\r\n\t     * If this is not a selector Interactable, it returns the element this\r\n\t     * interactable represents\r\n\t     *\r\n\t     = (Element) HTML / SVG Element\r\n\t    \\*/\n\t    element: function element() {\n\t      return this._element;\n\t    },\n\t\n\t    /* \\\r\n\t     * Interactable.fire\r\n\t     [ method ]\r\n\t     *\r\n\t     * Calls listeners for the given InteractEvent type bound globally\r\n\t     * and directly to this Interactable\r\n\t     *\r\n\t     - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\r\n\t     = (Interactable) this Interactable\r\n\t    \\*/\n\t    fire: function fire(iEvent) {\n\t      if (!(iEvent && iEvent.type) || !contains(eventTypes, iEvent.type)) {\n\t        return this;\n\t      }\n\t\n\t      var listeners,\n\t          i,\n\t          len,\n\t          onEvent = 'on' + iEvent.type,\n\t          funcName = '';\n\t\n\t      // Interactable#on() listeners\n\t      if (iEvent.type in this._iEvents) {\n\t        listeners = this._iEvents[iEvent.type];\n\t\n\t        for (i = 0, len = listeners.length; i < len && !iEvent.immediatePropagationStopped; i++) {\n\t          funcName = listeners[i].name;\n\t          listeners[i](iEvent);\n\t        }\n\t      }\n\t\n\t      // interactable.onevent listener\n\t      if (isFunction(this[onEvent])) {\n\t        funcName = this[onEvent].name;\n\t        this[onEvent](iEvent);\n\t      }\n\t\n\t      // interact.on() listeners\n\t      if (iEvent.type in globalEvents && (listeners = globalEvents[iEvent.type])) {\n\t        for (i = 0, len = listeners.length; i < len && !iEvent.immediatePropagationStopped; i++) {\n\t          funcName = listeners[i].name;\n\t          listeners[i](iEvent);\n\t        }\n\t      }\n\t\n\t      return this;\n\t    },\n\t\n\t    /* \\\r\n\t     * Interactable.on\r\n\t     [ method ]\r\n\t     *\r\n\t     * Binds a listener for an InteractEvent or DOM event.\r\n\t     *\r\n\t     - eventType  (string | array | object) The types of events to listen for\r\n\t     - listener   (function) The function to be called on the given event(s)\r\n\t     - useCapture (boolean) #optional useCapture flag for addEventListener\r\n\t     = (object) This Interactable\r\n\t    \\*/\n\t    on: function on(eventType, listener, useCapture) {\n\t      var i;\n\t\n\t      if (isString(eventType) && eventType.search(' ') !== -1) {\n\t        eventType = eventType.trim().split(/ +/);\n\t      }\n\t\n\t      if (isArray(eventType)) {\n\t        for (i = 0; i < eventType.length; i++) {\n\t          this.on(eventType[i], listener, useCapture);\n\t        }\n\t\n\t        return this;\n\t      }\n\t\n\t      if (isObject(eventType)) {\n\t        for (var prop in eventType) {\n\t          this.on(prop, eventType[prop], listener);\n\t        }\n\t\n\t        return this;\n\t      }\n\t\n\t      if (eventType === 'wheel') {\n\t        eventType = wheelEvent;\n\t      }\n\t\n\t      // convert to boolean\n\t      useCapture = useCapture ? true : false;\n\t\n\t      if (contains(eventTypes, eventType)) {\n\t        // if this type of event was never bound to this Interactable\n\t        if (!(eventType in this._iEvents)) {\n\t          this._iEvents[eventType] = [listener];\n\t        } else {\n\t          this._iEvents[eventType].push(listener);\n\t        }\n\t      }\n\t      // delegated event for selector\n\t      else if (this.selector) {\n\t          if (!delegatedEvents[eventType]) {\n\t            delegatedEvents[eventType] = {\n\t              selectors: [],\n\t              contexts: [],\n\t              listeners: []\n\t            };\n\t\n\t            // add delegate listener functions\n\t            for (i = 0; i < documents.length; i++) {\n\t              events.add(documents[i], eventType, delegateListener);\n\t              events.add(documents[i], eventType, delegateUseCapture, true);\n\t            }\n\t          }\n\t\n\t          var delegated = delegatedEvents[eventType],\n\t              index;\n\t\n\t          for (index = delegated.selectors.length - 1; index >= 0; index--) {\n\t            if (delegated.selectors[index] === this.selector && delegated.contexts[index] === this._context) {\n\t              break;\n\t            }\n\t          }\n\t\n\t          if (index === -1) {\n\t            index = delegated.selectors.length;\n\t\n\t            delegated.selectors.push(this.selector);\n\t            delegated.contexts.push(this._context);\n\t            delegated.listeners.push([]);\n\t          }\n\t\n\t          // keep listener and useCapture flag\n\t          delegated.listeners[index].push([listener, useCapture]);\n\t        } else {\n\t          events.add(this._element, eventType, listener, useCapture);\n\t        }\n\t\n\t      return this;\n\t    },\n\t\n\t    /* \\\r\n\t     * Interactable.off\r\n\t     [ method ]\r\n\t     *\r\n\t     * Removes an InteractEvent or DOM event listener\r\n\t     *\r\n\t     - eventType  (string | array | object) The types of events that were listened for\r\n\t     - listener   (function) The listener function to be removed\r\n\t     - useCapture (boolean) #optional useCapture flag for removeEventListener\r\n\t     = (object) This Interactable\r\n\t    \\*/\n\t    off: function off(eventType, listener, useCapture) {\n\t      var i;\n\t\n\t      if (isString(eventType) && eventType.search(' ') !== -1) {\n\t        eventType = eventType.trim().split(/ +/);\n\t      }\n\t\n\t      if (isArray(eventType)) {\n\t        for (i = 0; i < eventType.length; i++) {\n\t          this.off(eventType[i], listener, useCapture);\n\t        }\n\t\n\t        return this;\n\t      }\n\t\n\t      if (isObject(eventType)) {\n\t        for (var prop in eventType) {\n\t          this.off(prop, eventType[prop], listener);\n\t        }\n\t\n\t        return this;\n\t      }\n\t\n\t      var eventList,\n\t          index = -1;\n\t\n\t      // convert to boolean\n\t      useCapture = useCapture ? true : false;\n\t\n\t      if (eventType === 'wheel') {\n\t        eventType = wheelEvent;\n\t      }\n\t\n\t      // if it is an action event type\n\t      if (contains(eventTypes, eventType)) {\n\t        eventList = this._iEvents[eventType];\n\t\n\t        if (eventList && (index = indexOf(eventList, listener)) !== -1) {\n\t          this._iEvents[eventType].splice(index, 1);\n\t        }\n\t      }\n\t      // delegated event\n\t      else if (this.selector) {\n\t          var delegated = delegatedEvents[eventType],\n\t              matchFound = false;\n\t\n\t          if (!delegated) {\n\t            return this;\n\t          }\n\t\n\t          // count from last index of delegated to 0\n\t          for (index = delegated.selectors.length - 1; index >= 0; index--) {\n\t            // look for matching selector and context Node\n\t            if (delegated.selectors[index] === this.selector && delegated.contexts[index] === this._context) {\n\t              var listeners = delegated.listeners[index];\n\t\n\t              // each item of the listeners array is an array: [function, useCaptureFlag]\n\t              for (i = listeners.length - 1; i >= 0; i--) {\n\t                var fn = listeners[i][0],\n\t                    useCap = listeners[i][1];\n\t\n\t                // check if the listener functions and useCapture flags match\n\t                if (fn === listener && useCap === useCapture) {\n\t                  // remove the listener from the array of listeners\n\t                  listeners.splice(i, 1);\n\t\n\t                  // if all listeners for this interactable have been removed\n\t                  // remove the interactable from the delegated arrays\n\t                  if (!listeners.length) {\n\t                    delegated.selectors.splice(index, 1);\n\t                    delegated.contexts.splice(index, 1);\n\t                    delegated.listeners.splice(index, 1);\n\t\n\t                    // remove delegate function from context\n\t                    events.remove(this._context, eventType, delegateListener);\n\t                    events.remove(this._context, eventType, delegateUseCapture, true);\n\t\n\t                    // remove the arrays if they are empty\n\t                    if (!delegated.selectors.length) {\n\t                      delegatedEvents[eventType] = null;\n\t                    }\n\t                  }\n\t\n\t                  // only remove one listener\n\t                  matchFound = true;\n\t                  break;\n\t                }\n\t              }\n\t\n\t              if (matchFound) {\n\t                break;\n\t              }\n\t            }\n\t          }\n\t        }\n\t        // remove listener from this Interatable's element\n\t        else {\n\t            events.remove(this._element, eventType, listener, useCapture);\n\t          }\n\t\n\t      return this;\n\t    },\n\t\n\t    /* \\\r\n\t     * Interactable.set\r\n\t     [ method ]\r\n\t     *\r\n\t     * Reset the options of this Interactable\r\n\t     - options (object) The new settings to apply\r\n\t     = (object) This Interactable\r\n\t    \\*/\n\t    set: function set(options) {\n\t      if (!isObject(options)) {\n\t        options = {};\n\t      }\n\t\n\t      this.options = extend({}, defaultOptions.base);\n\t\n\t      var i,\n\t          actions = ['drag', 'drop', 'resize', 'gesture'],\n\t          methods = ['draggable', 'dropzone', 'resizable', 'gesturable'],\n\t          perActions = extend(extend({}, defaultOptions.perAction), options[action] || {});\n\t\n\t      for (i = 0; i < actions.length; i++) {\n\t        var action = actions[i];\n\t\n\t        this.options[action] = extend({}, defaultOptions[action]);\n\t\n\t        this.setPerAction(action, perActions);\n\t\n\t        this[methods[i]](options[action]);\n\t      }\n\t\n\t      var settings = ['accept', 'actionChecker', 'allowFrom', 'deltaSource', 'dropChecker', 'ignoreFrom', 'origin', 'preventDefault', 'rectChecker', 'styleCursor'];\n\t\n\t      for (i = 0, len = settings.length; i < len; i++) {\n\t        var setting = settings[i];\n\t\n\t        this.options[setting] = defaultOptions.base[setting];\n\t\n\t        if (setting in options) {\n\t          this[setting](options[setting]);\n\t        }\n\t      }\n\t\n\t      return this;\n\t    },\n\t\n\t    /* \\\r\n\t     * Interactable.unset\r\n\t     [ method ]\r\n\t     *\r\n\t     * Remove this interactable from the list of interactables and remove\r\n\t     * it's drag, drop, resize and gesture capabilities\r\n\t     *\r\n\t     = (object) @interact\r\n\t    \\*/\n\t    unset: function unset() {\n\t      events.remove(this._element, 'all');\n\t\n\t      if (!isString(this.selector)) {\n\t        events.remove(this, 'all');\n\t        if (this.options.styleCursor) {\n\t          this._element.style.cursor = '';\n\t        }\n\t      } else {\n\t        // remove delegated events\n\t        for (var type in delegatedEvents) {\n\t          var delegated = delegatedEvents[type];\n\t\n\t          for (var i = 0; i < delegated.selectors.length; i++) {\n\t            if (delegated.selectors[i] === this.selector && delegated.contexts[i] === this._context) {\n\t              delegated.selectors.splice(i, 1);\n\t              delegated.contexts.splice(i, 1);\n\t              delegated.listeners.splice(i, 1);\n\t\n\t              // remove the arrays if they are empty\n\t              if (!delegated.selectors.length) {\n\t                delegatedEvents[type] = null;\n\t              }\n\t            }\n\t\n\t            events.remove(this._context, type, delegateListener);\n\t            events.remove(this._context, type, delegateUseCapture, true);\n\t\n\t            break;\n\t          }\n\t        }\n\t      }\n\t\n\t      this.dropzone(false);\n\t\n\t      interactables.splice(indexOf(interactables, this), 1);\n\t\n\t      return interact;\n\t    }\n\t  };\n\t\n\t  function warnOnce(method, message) {\n\t    var warned = false;\n\t\n\t    return function () {\n\t      if (!warned) {\n\t        window.console.warn(message);\n\t        warned = true;\n\t      }\n\t\n\t      return method.apply(this, arguments);\n\t    };\n\t  }\n\t\n\t  Interactable.prototype.snap = warnOnce(Interactable.prototype.snap, 'Interactable#snap is deprecated. See the new documentation for snapping at http://interactjs.io/docs/snapping');\n\t  Interactable.prototype.restrict = warnOnce(Interactable.prototype.restrict, 'Interactable#restrict is deprecated. See the new documentation for resticting at http://interactjs.io/docs/restriction');\n\t  Interactable.prototype.inertia = warnOnce(Interactable.prototype.inertia, 'Interactable#inertia is deprecated. See the new documentation for inertia at http://interactjs.io/docs/inertia');\n\t  Interactable.prototype.autoScroll = warnOnce(Interactable.prototype.autoScroll, 'Interactable#autoScroll is deprecated. See the new documentation for autoScroll at http://interactjs.io/docs/#autoscroll');\n\t  Interactable.prototype.squareResize = warnOnce(Interactable.prototype.squareResize, 'Interactable#squareResize is deprecated. See http://interactjs.io/docs/#resize-square');\n\t\n\t  Interactable.prototype.accept = warnOnce(Interactable.prototype.accept, 'Interactable#accept is deprecated. use Interactable#dropzone({ accept: target }) instead');\n\t  Interactable.prototype.dropChecker = warnOnce(Interactable.prototype.dropChecker, 'Interactable#dropChecker is deprecated. use Interactable#dropzone({ dropChecker: checkerFunction }) instead');\n\t  Interactable.prototype.context = warnOnce(Interactable.prototype.context, 'Interactable#context as a method is deprecated. It will soon be a DOM Node instead');\n\t\n\t  /* \\\r\n\t   * interact.isSet\r\n\t   [ method ]\r\n\t   *\r\n\t   * Check if an element has been set\r\n\t   - element (Element) The Element being searched for\r\n\t   = (boolean) Indicates if the element or CSS selector was previously passed to interact\r\n\t  \\*/\n\t  interact.isSet = function (element, options) {\n\t    return interactables.indexOfElement(element, options && options.context) !== -1;\n\t  };\n\t\n\t  /* \\\r\n\t   * interact.on\r\n\t   [ method ]\r\n\t   *\r\n\t   * Adds a global listener for an InteractEvent or adds a DOM event to\r\n\t   * `document`\r\n\t   *\r\n\t   - type       (string | array | object) The types of events to listen for\r\n\t   - listener   (function) The function to be called on the given event(s)\r\n\t   - useCapture (boolean) #optional useCapture flag for addEventListener\r\n\t   = (object) interact\r\n\t  \\*/\n\t  interact.on = function (type, listener, useCapture) {\n\t    if (isString(type) && type.search(' ') !== -1) {\n\t      type = type.trim().split(/ +/);\n\t    }\n\t\n\t    if (isArray(type)) {\n\t      for (var i = 0; i < type.length; i++) {\n\t        interact.on(type[i], listener, useCapture);\n\t      }\n\t\n\t      return interact;\n\t    }\n\t\n\t    if (isObject(type)) {\n\t      for (var prop in type) {\n\t        interact.on(prop, type[prop], listener);\n\t      }\n\t\n\t      return interact;\n\t    }\n\t\n\t    // if it is an InteractEvent type, add listener to globalEvents\n\t    if (contains(eventTypes, type)) {\n\t      // if this type of event was never bound\n\t      if (!globalEvents[type]) {\n\t        globalEvents[type] = [listener];\n\t      } else {\n\t        globalEvents[type].push(listener);\n\t      }\n\t    }\n\t    // If non InteractEvent type, addEventListener to document\n\t    else {\n\t        events.add(document, type, listener, useCapture);\n\t      }\n\t\n\t    return interact;\n\t  };\n\t\n\t  /* \\\r\n\t   * interact.off\r\n\t   [ method ]\r\n\t   *\r\n\t   * Removes a global InteractEvent listener or DOM event from `document`\r\n\t   *\r\n\t   - type       (string | array | object) The types of events that were listened for\r\n\t   - listener   (function) The listener function to be removed\r\n\t   - useCapture (boolean) #optional useCapture flag for removeEventListener\r\n\t   = (object) interact\r\n\t   \\*/\n\t  interact.off = function (type, listener, useCapture) {\n\t    if (isString(type) && type.search(' ') !== -1) {\n\t      type = type.trim().split(/ +/);\n\t    }\n\t\n\t    if (isArray(type)) {\n\t      for (var i = 0; i < type.length; i++) {\n\t        interact.off(type[i], listener, useCapture);\n\t      }\n\t\n\t      return interact;\n\t    }\n\t\n\t    if (isObject(type)) {\n\t      for (var prop in type) {\n\t        interact.off(prop, type[prop], listener);\n\t      }\n\t\n\t      return interact;\n\t    }\n\t\n\t    if (!contains(eventTypes, type)) {\n\t      events.remove(document, type, listener, useCapture);\n\t    } else {\n\t      var index;\n\t\n\t      if (type in globalEvents && (index = indexOf(globalEvents[type], listener)) !== -1) {\n\t        globalEvents[type].splice(index, 1);\n\t      }\n\t    }\n\t\n\t    return interact;\n\t  };\n\t\n\t  /* \\\r\n\t   * interact.enableDragging\r\n\t   [ method ]\r\n\t   *\r\n\t   * Deprecated.\r\n\t   *\r\n\t   * Returns or sets whether dragging is enabled for any Interactables\r\n\t   *\r\n\t   - newValue (boolean) #optional `true` to allow the action; `false` to disable action for all Interactables\r\n\t   = (boolean | object) The current setting or interact\r\n\t  \\*/\n\t  interact.enableDragging = warnOnce(function (newValue) {\n\t    if (newValue !== null && newValue !== undefined) {\n\t      actionIsEnabled.drag = newValue;\n\t\n\t      return interact;\n\t    }\n\t    return actionIsEnabled.drag;\n\t  }, 'interact.enableDragging is deprecated and will soon be removed.');\n\t\n\t  /* \\\r\n\t   * interact.enableResizing\r\n\t   [ method ]\r\n\t   *\r\n\t   * Deprecated.\r\n\t   *\r\n\t   * Returns or sets whether resizing is enabled for any Interactables\r\n\t   *\r\n\t   - newValue (boolean) #optional `true` to allow the action; `false` to disable action for all Interactables\r\n\t   = (boolean | object) The current setting or interact\r\n\t  \\*/\n\t  interact.enableResizing = warnOnce(function (newValue) {\n\t    if (newValue !== null && newValue !== undefined) {\n\t      actionIsEnabled.resize = newValue;\n\t\n\t      return interact;\n\t    }\n\t    return actionIsEnabled.resize;\n\t  }, 'interact.enableResizing is deprecated and will soon be removed.');\n\t\n\t  /* \\\r\n\t   * interact.enableGesturing\r\n\t   [ method ]\r\n\t   *\r\n\t   * Deprecated.\r\n\t   *\r\n\t   * Returns or sets whether gesturing is enabled for any Interactables\r\n\t   *\r\n\t   - newValue (boolean) #optional `true` to allow the action; `false` to disable action for all Interactables\r\n\t   = (boolean | object) The current setting or interact\r\n\t  \\*/\n\t  interact.enableGesturing = warnOnce(function (newValue) {\n\t    if (newValue !== null && newValue !== undefined) {\n\t      actionIsEnabled.gesture = newValue;\n\t\n\t      return interact;\n\t    }\n\t    return actionIsEnabled.gesture;\n\t  }, 'interact.enableGesturing is deprecated and will soon be removed.');\n\t\n\t  interact.eventTypes = eventTypes;\n\t\n\t  /* \\\r\n\t   * interact.debug\r\n\t   [ method ]\r\n\t   *\r\n\t   * Returns debugging data\r\n\t   = (object) An object with properties that outline the current state and expose internal functions and variables\r\n\t  \\*/\n\t  interact.debug = function () {\n\t    var interaction = interactions[0] || new Interaction();\n\t\n\t    return {\n\t      interactions: interactions,\n\t      target: interaction.target,\n\t      dragging: interaction.dragging,\n\t      resizing: interaction.resizing,\n\t      gesturing: interaction.gesturing,\n\t      prepared: interaction.prepared,\n\t      matches: interaction.matches,\n\t      matchElements: interaction.matchElements,\n\t\n\t      prevCoords: interaction.prevCoords,\n\t      startCoords: interaction.startCoords,\n\t\n\t      pointerIds: interaction.pointerIds,\n\t      pointers: interaction.pointers,\n\t      addPointer: listeners.addPointer,\n\t      removePointer: listeners.removePointer,\n\t      recordPointer: listeners.recordPointer,\n\t\n\t      snap: interaction.snapStatus,\n\t      restrict: interaction.restrictStatus,\n\t      inertia: interaction.inertiaStatus,\n\t\n\t      downTime: interaction.downTimes[0],\n\t      downEvent: interaction.downEvent,\n\t      downPointer: interaction.downPointer,\n\t      prevEvent: interaction.prevEvent,\n\t\n\t      Interactable: Interactable,\n\t      interactables: interactables,\n\t      pointerIsDown: interaction.pointerIsDown,\n\t      defaultOptions: defaultOptions,\n\t      defaultActionChecker: defaultActionChecker,\n\t\n\t      actionCursors: actionCursors,\n\t      dragMove: listeners.dragMove,\n\t      resizeMove: listeners.resizeMove,\n\t      gestureMove: listeners.gestureMove,\n\t      pointerUp: listeners.pointerUp,\n\t      pointerDown: listeners.pointerDown,\n\t      pointerMove: listeners.pointerMove,\n\t      pointerHover: listeners.pointerHover,\n\t\n\t      eventTypes: eventTypes,\n\t\n\t      events: events,\n\t      globalEvents: globalEvents,\n\t      delegatedEvents: delegatedEvents,\n\t\n\t      prefixedPropREs: prefixedPropREs\n\t    };\n\t  };\n\t\n\t  // expose the functions used to calculate multi-touch properties\n\t  interact.getPointerAverage = pointerAverage;\n\t  interact.getTouchBBox = touchBBox;\n\t  interact.getTouchDistance = touchDistance;\n\t  interact.getTouchAngle = touchAngle;\n\t\n\t  interact.getElementRect = getElementRect;\n\t  interact.getElementClientRect = getElementClientRect;\n\t  interact.matchesSelector = matchesSelector;\n\t  interact.closest = closest;\n\t\n\t  /* \\\r\n\t   * interact.margin\r\n\t   [ method ]\r\n\t   *\r\n\t   * Deprecated. Use `interact(target).resizable({ margin: number });` instead.\r\n\t   * Returns or sets the margin for autocheck resizing used in\r\n\t   * @Interactable.getAction. That is the distance from the bottom and right\r\n\t   * edges of an element clicking in which will start resizing\r\n\t   *\r\n\t   - newValue (number) #optional\r\n\t   = (number | interact) The current margin value or interact\r\n\t  \\*/\n\t  interact.margin = warnOnce(function (newvalue) {\n\t    if (isNumber(newvalue)) {\n\t      margin = newvalue;\n\t\n\t      return interact;\n\t    }\n\t    return margin;\n\t  }, 'interact.margin is deprecated. Use interact(target).resizable({ margin: number }); instead.');\n\t\n\t  /* \\\r\n\t   * interact.supportsTouch\r\n\t   [ method ]\r\n\t   *\r\n\t   = (boolean) Whether or not the browser supports touch input\r\n\t  \\*/\n\t  interact.supportsTouch = function () {\n\t    return supportsTouch;\n\t  };\n\t\n\t  /* \\\r\n\t   * interact.supportsPointerEvent\r\n\t   [ method ]\r\n\t   *\r\n\t   = (boolean) Whether or not the browser supports PointerEvents\r\n\t  \\*/\n\t  interact.supportsPointerEvent = function () {\n\t    return supportsPointerEvent;\n\t  };\n\t\n\t  /* \\\r\n\t   * interact.stop\r\n\t   [ method ]\r\n\t   *\r\n\t   * Cancels all interactions (end events are not fired)\r\n\t   *\r\n\t   - event (Event) An event on which to call preventDefault()\r\n\t   = (object) interact\r\n\t  \\*/\n\t  interact.stop = function (event) {\n\t    for (var i = interactions.length - 1; i >= 0; i--) {\n\t      interactions[i].stop(event);\n\t    }\n\t\n\t    return interact;\n\t  };\n\t\n\t  /* \\\r\n\t   * interact.dynamicDrop\r\n\t   [ method ]\r\n\t   *\r\n\t   * Returns or sets whether the dimensions of dropzone elements are\r\n\t   * calculated on every dragmove or only on dragstart for the default\r\n\t   * dropChecker\r\n\t   *\r\n\t   - newValue (boolean) #optional True to check on each move. False to check only before start\r\n\t   = (boolean | interact) The current setting or interact\r\n\t  \\*/\n\t  interact.dynamicDrop = function (newValue) {\n\t    if (isBool(newValue)) {\n\t      // if (dragging && dynamicDrop !== newValue && !newValue) {\n\t      // calcRects(dropzones);\n\t      // }\n\t\n\t      dynamicDrop = newValue;\n\t\n\t      return interact;\n\t    }\n\t    return dynamicDrop;\n\t  };\n\t\n\t  /* \\\r\n\t   * interact.pointerMoveTolerance\r\n\t   [ method ]\r\n\t   * Returns or sets the distance the pointer must be moved before an action\r\n\t   * sequence occurs. This also affects tolerance for tap events.\r\n\t   *\r\n\t   - newValue (number) #optional The movement from the start position must be greater than this value\r\n\t   = (number | Interactable) The current setting or interact\r\n\t  \\*/\n\t  interact.pointerMoveTolerance = function (newValue) {\n\t    if (isNumber(newValue)) {\n\t      pointerMoveTolerance = newValue;\n\t\n\t      return this;\n\t    }\n\t\n\t    return pointerMoveTolerance;\n\t  };\n\t\n\t  /* \\\r\n\t   * interact.maxInteractions\r\n\t   [ method ]\r\n\t   **\r\n\t   * Returns or sets the maximum number of concurrent interactions allowed.\r\n\t   * By default only 1 interaction is allowed at a time (for backwards\r\n\t   * compatibility). To allow multiple interactions on the same Interactables\r\n\t   * and elements, you need to enable it in the draggable, resizable and\r\n\t   * gesturable `'max'` and `'maxPerElement'` options.\r\n\t   **\r\n\t   - newValue (number) #optional Any number. newValue <= 0 means no interactions.\r\n\t  \\*/\n\t  interact.maxInteractions = function (newValue) {\n\t    if (isNumber(newValue)) {\n\t      maxInteractions = newValue;\n\t\n\t      return this;\n\t    }\n\t\n\t    return maxInteractions;\n\t  };\n\t\n\t  interact.createSnapGrid = function (grid) {\n\t    return function (x, y) {\n\t      var offsetX = 0,\n\t          offsetY = 0;\n\t\n\t      if (isObject(grid.offset)) {\n\t        offsetX = grid.offset.x;\n\t        offsetY = grid.offset.y;\n\t      }\n\t\n\t      var gridx = Math.round((x - offsetX) / grid.x),\n\t          gridy = Math.round((y - offsetY) / grid.y),\n\t          newX = gridx * grid.x + offsetX,\n\t          newY = gridy * grid.y + offsetY;\n\t\n\t      return {\n\t        x: newX,\n\t        y: newY,\n\t        range: grid.range\n\t      };\n\t    };\n\t  };\n\t\n\t  function endAllInteractions(event) {\n\t    for (var i = 0; i < interactions.length; i++) {\n\t      interactions[i].pointerEnd(event, event);\n\t    }\n\t  }\n\t\n\t  function listenToDocument(doc) {\n\t    if (contains(documents, doc)) {\n\t      return;\n\t    }\n\t\n\t    var win = doc.defaultView || doc.parentWindow;\n\t\n\t    // add delegate event listener\n\t    for (var eventType in delegatedEvents) {\n\t      events.add(doc, eventType, delegateListener);\n\t      events.add(doc, eventType, delegateUseCapture, true);\n\t    }\n\t\n\t    if (supportsPointerEvent) {\n\t      if (PointerEvent === win.MSPointerEvent) {\n\t        pEventTypes = {\n\t          up: 'MSPointerUp', down: 'MSPointerDown', over: 'mouseover',\n\t          out: 'mouseout', move: 'MSPointerMove', cancel: 'MSPointerCancel' };\n\t      } else {\n\t        pEventTypes = {\n\t          up: 'pointerup', down: 'pointerdown', over: 'pointerover',\n\t          out: 'pointerout', move: 'pointermove', cancel: 'pointercancel' };\n\t      }\n\t\n\t      events.add(doc, pEventTypes.down, listeners.selectorDown);\n\t      events.add(doc, pEventTypes.move, listeners.pointerMove);\n\t      events.add(doc, pEventTypes.over, listeners.pointerOver);\n\t      events.add(doc, pEventTypes.out, listeners.pointerOut);\n\t      events.add(doc, pEventTypes.up, listeners.pointerUp);\n\t      events.add(doc, pEventTypes.cancel, listeners.pointerCancel);\n\t\n\t      // autoscroll\n\t      events.add(doc, pEventTypes.move, listeners.autoScrollMove);\n\t    } else {\n\t      events.add(doc, 'mousedown', listeners.selectorDown);\n\t      events.add(doc, 'mousemove', listeners.pointerMove);\n\t      events.add(doc, 'mouseup', listeners.pointerUp);\n\t      events.add(doc, 'mouseover', listeners.pointerOver);\n\t      events.add(doc, 'mouseout', listeners.pointerOut);\n\t\n\t      events.add(doc, 'touchstart', listeners.selectorDown);\n\t      events.add(doc, 'touchmove', listeners.pointerMove);\n\t      events.add(doc, 'touchend', listeners.pointerUp);\n\t      events.add(doc, 'touchcancel', listeners.pointerCancel);\n\t\n\t      // autoscroll\n\t      events.add(doc, 'mousemove', listeners.autoScrollMove);\n\t      events.add(doc, 'touchmove', listeners.autoScrollMove);\n\t    }\n\t\n\t    events.add(win, 'blur', endAllInteractions);\n\t\n\t    try {\n\t      if (win.frameElement) {\n\t        var parentDoc = win.frameElement.ownerDocument,\n\t            parentWindow = parentDoc.defaultView;\n\t\n\t        events.add(parentDoc, 'mouseup', listeners.pointerEnd);\n\t        events.add(parentDoc, 'touchend', listeners.pointerEnd);\n\t        events.add(parentDoc, 'touchcancel', listeners.pointerEnd);\n\t        events.add(parentDoc, 'pointerup', listeners.pointerEnd);\n\t        events.add(parentDoc, 'MSPointerUp', listeners.pointerEnd);\n\t        events.add(parentWindow, 'blur', endAllInteractions);\n\t      }\n\t    } catch (error) {\n\t      interact.windowParentError = error;\n\t    }\n\t\n\t    // prevent native HTML5 drag on interact.js target elements\n\t    events.add(doc, 'dragstart', function (event) {\n\t      for (var i = 0; i < interactions.length; i++) {\n\t        var interaction = interactions[i];\n\t\n\t        if (interaction.element && (interaction.element === event.target || nodeContains(interaction.element, event.target))) {\n\t          interaction.checkAndPreventDefault(event, interaction.target, interaction.element);\n\t          return;\n\t        }\n\t      }\n\t    });\n\t\n\t    if (events.useAttachEvent) {\n\t      // For IE's lack of Event#preventDefault\n\t      events.add(doc, 'selectstart', function (event) {\n\t        var interaction = interactions[0];\n\t\n\t        if (interaction.currentAction()) {\n\t          interaction.checkAndPreventDefault(event);\n\t        }\n\t      });\n\t\n\t      // For IE's bad dblclick event sequence\n\t      events.add(doc, 'dblclick', doOnInteractions('ie8Dblclick'));\n\t    }\n\t\n\t    documents.push(doc);\n\t  }\n\t\n\t  listenToDocument(document);\n\t\n\t  function indexOf(array, target) {\n\t    for (var i = 0, len = array.length; i < len; i++) {\n\t      if (array[i] === target) {\n\t        return i;\n\t      }\n\t    }\n\t\n\t    return -1;\n\t  }\n\t\n\t  function contains(array, target) {\n\t    return indexOf(array, target) !== -1;\n\t  }\n\t\n\t  function matchesSelector(element, selector, nodeList) {\n\t    if (ie8MatchesSelector) {\n\t      return ie8MatchesSelector(element, selector, nodeList);\n\t    }\n\t\n\t    // remove /deep/ from selectors if shadowDOM polyfill is used\n\t    if (window !== realWindow) {\n\t      selector = selector.replace(/\\/deep\\//g, ' ');\n\t    }\n\t\n\t    return element[prefixedMatchesSelector](selector);\n\t  }\n\t\n\t  function matchesUpTo(element, selector, limit) {\n\t    while (isElement(element)) {\n\t      if (matchesSelector(element, selector)) {\n\t        return true;\n\t      }\n\t\n\t      element = parentElement(element);\n\t\n\t      if (element === limit) {\n\t        return matchesSelector(element, selector);\n\t      }\n\t    }\n\t\n\t    return false;\n\t  }\n\t\n\t  // For IE8's lack of an Element#matchesSelector\n\t  // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n\t  if (!(prefixedMatchesSelector in Element.prototype) || !isFunction(Element.prototype[prefixedMatchesSelector])) {\n\t    ie8MatchesSelector = function ie8MatchesSelector(element, selector, elems) {\n\t      elems = elems || element.parentNode.querySelectorAll(selector);\n\t\n\t      for (var i = 0, len = elems.length; i < len; i++) {\n\t        if (elems[i] === element) {\n\t          return true;\n\t        }\n\t      }\n\t\n\t      return false;\n\t    };\n\t  }\n\t\n\t  // requestAnimationFrame polyfill\n\t  (function () {\n\t    var lastTime = 0,\n\t        vendors = ['ms', 'moz', 'webkit', 'o'];\n\t\n\t    for (var x = 0; x < vendors.length && !realWindow.requestAnimationFrame; ++x) {\n\t      reqFrame = realWindow[vendors[x] + 'RequestAnimationFrame'];\n\t      cancelFrame = realWindow[vendors[x] + 'CancelAnimationFrame'] || realWindow[vendors[x] + 'CancelRequestAnimationFrame'];\n\t    }\n\t\n\t    if (!reqFrame) {\n\t      reqFrame = function reqFrame(callback) {\n\t        var currTime = new Date().getTime(),\n\t            timeToCall = Math.max(0, 16 - (currTime - lastTime)),\n\t            id = setTimeout(function () {\n\t          callback(currTime + timeToCall);\n\t        }, timeToCall);\n\t        lastTime = currTime + timeToCall;\n\t        return id;\n\t      };\n\t    }\n\t\n\t    if (!cancelFrame) {\n\t      cancelFrame = function cancelFrame(id) {\n\t        clearTimeout(id);\n\t      };\n\t    }\n\t  })();\n\t\n\t  /* global exports: true, module, define */\n\t\n\t  // http://documentcloud.github.io/underscore/docs/underscore.html#section-11\n\t  if (true) {\n\t    if (typeof module !== 'undefined' && module.exports) {\n\t      exports = module.exports = interact;\n\t    }\n\t    exports.interact = interact;\n\t  }\n\t  // AMD\n\t  else if (typeof define === 'function' && define.amd) {\n\t      define('interact', function () {\n\t        return interact;\n\t      });\n\t    } else {\n\t      realWindow.interact = interact;\n\t    }\n\t})(typeof window === 'undefined' ? undefined : window);\n\n/***/ }),\n/* 6 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tObject.defineProperty(exports, \"__esModule\", {\n\t  value: true\n\t});\n\texports.RowSelectionModel = exports.RowMoveManager = exports.HeaderMenu = exports.HeaderButtons = exports.CheckboxSelectColumn = exports.CellSelectionModel = exports.CellRangeSelector = exports.CellRangeDecorator = exports.CellCopyManager = exports.AutoTooltips = undefined;\n\t\n\tvar _slick = __webpack_require__(7);\n\t\n\tvar _slick2 = _interopRequireDefault(_slick);\n\t\n\tvar _slick3 = __webpack_require__(9);\n\t\n\tvar _slick4 = _interopRequireDefault(_slick3);\n\t\n\tvar _slick5 = __webpack_require__(11);\n\t\n\tvar _slick6 = _interopRequireDefault(_slick5);\n\t\n\tvar _slick7 = __webpack_require__(12);\n\t\n\tvar _slick8 = _interopRequireDefault(_slick7);\n\t\n\tvar _slick9 = __webpack_require__(13);\n\t\n\tvar _slick10 = _interopRequireDefault(_slick9);\n\t\n\tvar _slick11 = __webpack_require__(15);\n\t\n\tvar _slick12 = _interopRequireDefault(_slick11);\n\t\n\tvar _slick13 = __webpack_require__(17);\n\t\n\tvar _slick14 = _interopRequireDefault(_slick13);\n\t\n\tvar _slick15 = __webpack_require__(19);\n\t\n\tvar _slick16 = _interopRequireDefault(_slick15);\n\t\n\tvar _slick17 = __webpack_require__(21);\n\t\n\tvar _slick18 = _interopRequireDefault(_slick17);\n\t\n\tvar _slick19 = __webpack_require__(23);\n\t\n\tvar _slick20 = _interopRequireDefault(_slick19);\n\t\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\t\n\texports.AutoTooltips = _slick2.default;\n\texports.CellCopyManager = _slick4.default;\n\texports.CellRangeDecorator = _slick6.default;\n\texports.CellRangeSelector = _slick8.default;\n\texports.CellSelectionModel = _slick10.default;\n\texports.CheckboxSelectColumn = _slick12.default;\n\texports.HeaderButtons = _slick14.default;\n\texports.HeaderMenu = _slick16.default;\n\texports.RowMoveManager = _slick18.default;\n\texports.RowSelectionModel = _slick20.default;\n\n/***/ }),\n/* 7 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tObject.defineProperty(exports, \"__esModule\", {\n\t  value: true\n\t});\n\t\n\tvar _slick = __webpack_require__(8);\n\t\n\tvar _slick2 = _interopRequireDefault(_slick);\n\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\n\texports.default = _slick2.default;\n\n/***/ }),\n/* 8 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tObject.defineProperty(exports, \"__esModule\", {\n\t  value: true\n\t});\n\t\n\tvar _jquery = __webpack_require__(2);\n\t\n\tvar _jquery2 = _interopRequireDefault(_jquery);\n\t\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\t\n\texports.default = AutoTooltips;\n\t\n\t/**\r\n\t * AutoTooltips plugin to show/hide tooltips when columns are too narrow to fit content.\r\n\t * @constructor\r\n\t * @param {boolean} [options.enableForCells=true]        - Enable tooltip for grid cells\r\n\t * @param {boolean} [options.enableForHeaderCells=false] - Enable tooltip for header cells\r\n\t * @param {number}  [options.maxToolTipLength=null]      - The maximum length for a tooltip\r\n\t */\n\t\n\tfunction AutoTooltips(options) {\n\t  var _grid = void 0;\n\t  var _self = this;\n\t  var _defaults = {\n\t    enableForCells: true,\n\t    enableForHeaderCells: false,\n\t    maxToolTipLength: null\n\t  };\n\t\n\t  /**\r\n\t   * Initialize plugin.\r\n\t   */\n\t  function init(grid) {\n\t    options = Object.assign({}, _defaults, options);\n\t    _grid = grid;\n\t    if (options.enableForCells) _grid.onMouseEnter.subscribe(handleMouseEnter);\n\t    if (options.enableForHeaderCells) _grid.onHeaderMouseEnter.subscribe(handleHeaderMouseEnter);\n\t  }\n\t\n\t  /**\r\n\t   * Destroy plugin.\r\n\t   */\n\t  function destroy() {\n\t    if (options.enableForCells) _grid.onMouseEnter.unsubscribe(handleMouseEnter);\n\t    if (options.enableForHeaderCells) _grid.onHeaderMouseEnter.unsubscribe(handleHeaderMouseEnter);\n\t  }\n\t\n\t  /**\r\n\t   * Handle mouse entering grid cell to add/remove tooltip.\r\n\t   * @param {jQuery.Event} e - The event\r\n\t   */\n\t  function handleMouseEnter(e) {\n\t    var cell = _grid.getCellFromEvent(e);\n\t    if (cell) {\n\t      var $node = (0, _jquery2.default)(_grid.getCellNode(cell.row, cell.cell));\n\t      var text = void 0;\n\t      if ($node.innerWidth() < $node[0].scrollWidth) {\n\t        text = _jquery2.default.trim($node.text());\n\t        if (options.maxToolTipLength && text.length > options.maxToolTipLength) {\n\t          text = text.substr(0, options.maxToolTipLength - 3) + '...';\n\t        }\n\t      } else {\n\t        text = '';\n\t      }\n\t      $node.attr('title', text);\n\t    }\n\t  }\n\t\n\t  /**\r\n\t   * Handle mouse entering header cell to add/remove tooltip.\r\n\t   * @param {jQuery.Event} e     - The event\r\n\t   * @param {object} args.column - The column definition\r\n\t   */\n\t  function handleHeaderMouseEnter(e, args) {\n\t    var column = args.column,\n\t        $node = (0, _jquery2.default)(e.target).closest('.slick-header-column');\n\t    if (column && !column.toolTip) {\n\t      $node.attr('title', $node.innerWidth() < $node[0].scrollWidth ? column.name : '');\n\t    }\n\t  }\n\t\n\t  // Public API\n\t  Object.assign(this, {\n\t    init: init,\n\t    destroy: destroy\n\t  });\n\t}\n\n/***/ }),\n/* 9 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tObject.defineProperty(exports, \"__esModule\", {\n\t  value: true\n\t});\n\t\n\tvar _slick = __webpack_require__(10);\n\t\n\tvar _slick2 = _interopRequireDefault(_slick);\n\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\n\texports.default = _slick2.default;\n\n/***/ }),\n/* 10 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tObject.defineProperty(exports, \"__esModule\", {\n\t  value: true\n\t});\n\t\n\tvar _slick = __webpack_require__(1);\n\t\n\tvar _slick2 = _interopRequireDefault(_slick);\n\t\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\t\n\tvar keyCode = _slick2.default.keyCode;\n\texports.default = CellCopyManager;\n\t\n\t\n\tfunction CellCopyManager() {\n\t  var _grid;\n\t  var _self = this;\n\t  var _copiedRanges;\n\t\n\t  function init(grid) {\n\t    _grid = grid;\n\t    _grid.onKeyDown.subscribe(handleKeyDown);\n\t  }\n\t\n\t  function destroy() {\n\t    _grid.onKeyDown.unsubscribe(handleKeyDown);\n\t  }\n\t\n\t  function handleKeyDown(e, args) {\n\t    var ranges;\n\t    if (!_grid.getEditorLock().isActive()) {\n\t      if (e.which == keyCode.ESCAPE) {\n\t        if (_copiedRanges) {\n\t          e.preventDefault();\n\t          clearCopySelection();\n\t          _self.onCopyCancelled.notify({ ranges: _copiedRanges });\n\t          _copiedRanges = null;\n\t        }\n\t      }\n\t\n\t      if (e.which == 67 && (e.ctrlKey || e.metaKey)) {\n\t        ranges = _grid.getSelectionModel().getSelectedRanges();\n\t        if (ranges.length != 0) {\n\t          e.preventDefault();\n\t          _copiedRanges = ranges;\n\t          markCopySelection(ranges);\n\t          _self.onCopyCells.notify({ ranges: ranges });\n\t        }\n\t      }\n\t\n\t      if (e.which == 86 && (e.ctrlKey || e.metaKey)) {\n\t        if (_copiedRanges) {\n\t          e.preventDefault();\n\t          clearCopySelection();\n\t          ranges = _grid.getSelectionModel().getSelectedRanges();\n\t          _self.onPasteCells.notify({ from: _copiedRanges, to: ranges });\n\t          _copiedRanges = null;\n\t        }\n\t      }\n\t    }\n\t  }\n\t\n\t  function markCopySelection(ranges) {\n\t    var columns = _grid.getColumns();\n\t    var hash = {};\n\t    for (var i = 0; i < ranges.length; i++) {\n\t      for (var j = ranges[i].fromRow; j <= ranges[i].toRow; j++) {\n\t        hash[j] = {};\n\t        for (var k = ranges[i].fromCell; k <= ranges[i].toCell; k++) {\n\t          hash[j][columns[k].id] = 'copied';\n\t        }\n\t      }\n\t    }\n\t    _grid.setCellCssStyles('copy-manager', hash);\n\t  }\n\t\n\t  function clearCopySelection() {\n\t    _grid.removeCellCssStyles('copy-manager');\n\t  }\n\t\n\t  Object.assign(this, {\n\t    init: init,\n\t    destroy: destroy,\n\t    clearCopySelection: clearCopySelection,\n\t\n\t    onCopyCells: new _slick2.default.Event(),\n\t    onCopyCancelled: new _slick2.default.Event(),\n\t    onPasteCells: new _slick2.default.Event()\n\t  });\n\t}\n\n/***/ }),\n/* 11 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tObject.defineProperty(exports, \"__esModule\", {\n\t  value: true\n\t});\n\t\n\tvar _slick = __webpack_require__(3);\n\t\n\tvar _slick2 = _interopRequireDefault(_slick);\n\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\n\texports.default = _slick2.default;\n\n/***/ }),\n/* 12 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tObject.defineProperty(exports, \"__esModule\", {\n\t  value: true\n\t});\n\t\n\tvar _slick = __webpack_require__(4);\n\t\n\tvar _slick2 = _interopRequireDefault(_slick);\n\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\n\texports.default = _slick2.default;\n\n/***/ }),\n/* 13 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tObject.defineProperty(exports, \"__esModule\", {\n\t  value: true\n\t});\n\t\n\tvar _slick = __webpack_require__(14);\n\t\n\tvar _slick2 = _interopRequireDefault(_slick);\n\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\n\texports.default = _slick2.default;\n\n/***/ }),\n/* 14 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tObject.defineProperty(exports, \"__esModule\", {\n\t  value: true\n\t});\n\t\n\tvar _slick = __webpack_require__(1);\n\t\n\tvar _slick2 = _interopRequireDefault(_slick);\n\t\n\tvar _slick3 = __webpack_require__(4);\n\t\n\tvar _slick4 = _interopRequireDefault(_slick3);\n\t\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\t\n\texports.default = CellSelectionModel;\n\t\n\t\n\tfunction CellSelectionModel() {\n\t  var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {\n\t    selectActiveCell: true\n\t  };\n\t\n\t  var _grid = void 0;\n\t  var _canvas = void 0;\n\t  var _ranges = [];\n\t  var _self = this;\n\t  var _selector = new _slick4.default({\n\t    selectionCss: {\n\t      border: '2px solid black'\n\t    }\n\t  });\n\t  var _options = void 0;\n\t  var _defaults = {\n\t    selectActiveCell: true\n\t  };\n\t\n\t  function init(grid) {\n\t    _options = Object.assign({}, options);\n\t    _grid = grid;\n\t    _canvas = _grid.getCanvasNode();\n\t    _grid.onActiveCellChanged.subscribe(handleActiveCellChange);\n\t    _grid.onKeyDown.subscribe(handleKeyDown);\n\t    grid.registerPlugin(_selector);\n\t    _selector.onCellRangeSelected.subscribe(handleCellRangeSelected);\n\t    _selector.onBeforeCellRangeSelected.subscribe(handleBeforeCellRangeSelected);\n\t  }\n\t\n\t  function destroy() {\n\t    _grid.onActiveCellChanged.unsubscribe(handleActiveCellChange);\n\t    _grid.onKeyDown.unsubscribe(handleKeyDown);\n\t    _selector.onCellRangeSelected.unsubscribe(handleCellRangeSelected);\n\t    _selector.onBeforeCellRangeSelected.unsubscribe(handleBeforeCellRangeSelected);\n\t    _grid.unregisterPlugin(_selector);\n\t  }\n\t\n\t  function removeInvalidRanges(ranges) {\n\t    var result = [];\n\t\n\t    for (var i = 0; i < ranges.length; i++) {\n\t      var r = ranges[i];\n\t      if (_grid.canCellBeSelected(r.fromRow, r.fromCell) && _grid.canCellBeSelected(r.toRow, r.toCell)) {\n\t        result.push(r);\n\t      }\n\t    }\n\t\n\t    return result;\n\t  }\n\t\n\t  function setSelectedRanges(ranges) {\n\t    // simle check for: empty selection didn't change, prevent firing onSelectedRangesChanged\n\t    if ((!_ranges || _ranges.length === 0) && (!ranges || ranges.length === 0)) {\n\t      return;\n\t    }\n\t\n\t    _ranges = removeInvalidRanges(ranges);\n\t    _self.onSelectedRangesChanged.notify(_ranges);\n\t  }\n\t\n\t  function getSelectedRanges() {\n\t    return _ranges;\n\t  }\n\t\n\t  function handleBeforeCellRangeSelected(e, args) {\n\t    if (_grid.getEditorLock().isActive()) {\n\t      e.stopPropagation();\n\t      return false;\n\t    }\n\t  }\n\t\n\t  function handleCellRangeSelected(e, args) {\n\t    setSelectedRanges([args.range]);\n\t  }\n\t\n\t  function handleActiveCellChange(e, args) {\n\t    if (_options.selectActiveCell && args.row != null && args.cell != null) {\n\t      setSelectedRanges([new _slick2.default.Range(args.row, args.cell)]);\n\t    }\n\t  }\n\t\n\t  function handleKeyDown(e) {\n\t    /** *\r\n\t     * Кey codes\r\n\t     * 37 left\r\n\t     * 38 up\r\n\t     * 39 right\r\n\t     * 40 down\r\n\t     */\n\t    var ranges = void 0,\n\t        last = void 0;\n\t    var active = _grid.getActiveCell();\n\t\n\t    if (active && e.shiftKey && !e.ctrlKey && !e.altKey && (e.which == 37 || e.which == 39 || e.which == 38 || e.which == 40)) {\n\t      ranges = getSelectedRanges();\n\t      if (!ranges.length) ranges.push(new _slick2.default.Range(active.row, active.cell));\n\t\n\t      // keyboard can work with last range only\n\t      last = ranges.pop();\n\t\n\t      // can't handle selection out of active cell\n\t      if (!last.contains(active.row, active.cell)) last = new _slick2.default.Range(active.row, active.cell);\n\t\n\t      var dRow = last.toRow - last.fromRow,\n\t          dCell = last.toCell - last.fromCell,\n\t\n\t      // walking direction\n\t      dirRow = active.row == last.fromRow ? 1 : -1,\n\t          dirCell = active.cell == last.fromCell ? 1 : -1;\n\t\n\t      if (e.which == 37) {\n\t        dCell -= dirCell;\n\t      } else if (e.which == 39) {\n\t        dCell += dirCell;\n\t      } else if (e.which == 38) {\n\t        dRow -= dirRow;\n\t      } else if (e.which == 40) {\n\t        dRow += dirRow;\n\t      }\n\t\n\t      // define new selection range\n\t      var new_last = new _slick2.default.Range(active.row, active.cell, active.row + dirRow * dRow, active.cell + dirCell * dCell);\n\t      if (removeInvalidRanges([new_last]).length) {\n\t        ranges.push(new_last);\n\t        var viewRow = dirRow > 0 ? new_last.toRow : new_last.fromRow;\n\t        var viewCell = dirCell > 0 ? new_last.toCell : new_last.fromCell;\n\t        _grid.scrollRowIntoView(viewRow);\n\t        _grid.scrollCellIntoView(viewRow, viewCell);\n\t      } else ranges.push(last);\n\t\n\t      setSelectedRanges(ranges);\n\t\n\t      e.preventDefault();\n\t      e.stopPropagation();\n\t    }\n\t  }\n\t\n\t  Object.assign(this, {\n\t    getSelectedRanges: getSelectedRanges,\n\t    setSelectedRanges: setSelectedRanges,\n\t\n\t    init: init,\n\t    destroy: destroy,\n\t\n\t    onSelectedRangesChanged: new _slick2.default.Event()\n\t  });\n\t}\n\n/***/ }),\n/* 15 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tObject.defineProperty(exports, \"__esModule\", {\n\t  value: true\n\t});\n\t\n\tvar _slick = __webpack_require__(16);\n\t\n\tvar _slick2 = _interopRequireDefault(_slick);\n\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\n\texports.default = _slick2.default;\n\n/***/ }),\n/* 16 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tObject.defineProperty(exports, \"__esModule\", {\n\t  value: true\n\t});\n\t\n\tvar _jquery = __webpack_require__(2);\n\t\n\tvar _jquery2 = _interopRequireDefault(_jquery);\n\t\n\tvar _slick = __webpack_require__(1);\n\t\n\tvar _slick2 = _interopRequireDefault(_slick);\n\t\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\t\n\texports.default = CheckboxSelectColumn;\n\t\n\t\n\tfunction CheckboxSelectColumn(options) {\n\t  var _grid = void 0;\n\t  var _self = this;\n\t  var _handler = new _slick2.default.EventHandler();\n\t  var _selectedRowsLookup = {};\n\t  var _defaults = {\n\t    columnId: '_checkbox_selector',\n\t    cssClass: null,\n\t    toolTip: 'Select/Deselect All',\n\t    width: 30\n\t  };\n\t\n\t  var _options = _jquery2.default.extend(true, {}, _defaults, options);\n\t\n\t  function init(grid) {\n\t    _grid = grid;\n\t    _handler.subscribe(_grid.onSelectedRowsChanged, handleSelectedRowsChanged).subscribe(_grid.onClick, handleClick).subscribe(_grid.onHeaderClick, handleHeaderClick).subscribe(_grid.onKeyDown, handleKeyDown);\n\t  }\n\t\n\t  function destroy() {\n\t    _handler.unsubscribeAll();\n\t  }\n\t\n\t  function handleSelectedRowsChanged(e, args) {\n\t    var selectedRows = _grid.getSelectedRows();\n\t    var lookup = {},\n\t        row = void 0,\n\t        i = void 0;\n\t    for (i = 0; i < selectedRows.length; i++) {\n\t      row = selectedRows[i];\n\t      lookup[row] = true;\n\t      if (lookup[row] !== _selectedRowsLookup[row]) {\n\t        _grid.invalidateRow(row);\n\t        delete _selectedRowsLookup[row];\n\t      }\n\t    }\n\t    for (i in _selectedRowsLookup) {\n\t      _grid.invalidateRow(i);\n\t    }\n\t    _selectedRowsLookup = lookup;\n\t    _grid.render();\n\t\n\t    if (selectedRows.length && selectedRows.length == _grid.getDataLength()) {\n\t      _grid.updateColumnHeader(_options.columnId, \"<input type='checkbox' checked='checked'>\", _options.toolTip);\n\t    } else {\n\t      _grid.updateColumnHeader(_options.columnId, \"<input type='checkbox'>\", _options.toolTip);\n\t    }\n\t  }\n\t\n\t  function handleKeyDown(e, args) {\n\t    if (e.which == 32) {\n\t      if (_grid.getColumns()[args.cell].id === _options.columnId) {\n\t        // if editing, try to commit\n\t        if (!_grid.getEditorLock().isActive() || _grid.getEditorLock().commitCurrentEdit()) {\n\t          toggleRowSelection(args.row);\n\t        }\n\t        e.preventDefault();\n\t        e.stopImmediatePropagation();\n\t      }\n\t    }\n\t  }\n\t\n\t  function handleClick(e, args) {\n\t    // clicking on a row select checkbox\n\t    if (_grid.getColumns()[args.cell].id === _options.columnId && (0, _jquery2.default)(e.target).is(':checkbox')) {\n\t      // if editing, try to commit\n\t      if (_grid.getEditorLock().isActive() && !_grid.getEditorLock().commitCurrentEdit()) {\n\t        e.preventDefault();\n\t        e.stopImmediatePropagation();\n\t        return;\n\t      }\n\t\n\t      toggleRowSelection(args.row);\n\t      e.stopPropagation();\n\t      e.stopImmediatePropagation();\n\t    }\n\t  }\n\t\n\t  function toggleRowSelection(row) {\n\t    if (_selectedRowsLookup[row]) {\n\t      _grid.setSelectedRows(_jquery2.default.grep(_grid.getSelectedRows(), function (n) {\n\t        return n != row;\n\t      }));\n\t    } else {\n\t      _grid.setSelectedRows(_grid.getSelectedRows().concat(row));\n\t    }\n\t  }\n\t\n\t  function handleHeaderClick(e, args) {\n\t    if (args.column.id == _options.columnId && (0, _jquery2.default)(e.target).is(':checkbox')) {\n\t      // if editing, try to commit\n\t      if (_grid.getEditorLock().isActive() && !_grid.getEditorLock().commitCurrentEdit()) {\n\t        e.preventDefault();\n\t        e.stopImmediatePropagation();\n\t        return;\n\t      }\n\t\n\t      if ((0, _jquery2.default)(e.target).is(':checked')) {\n\t        var rows = [];\n\t        for (var i = 0; i < _grid.getDataLength(); i++) {\n\t          rows.push(i);\n\t        }\n\t        _grid.setSelectedRows(rows);\n\t      } else {\n\t        _grid.setSelectedRows([]);\n\t      }\n\t      e.stopPropagation();\n\t      e.stopImmediatePropagation();\n\t    }\n\t  }\n\t\n\t  function getColumnDefinition() {\n\t    return {\n\t      id: _options.columnId,\n\t      name: \"<input type='checkbox'>\",\n\t      toolTip: _options.toolTip,\n\t      field: 'sel',\n\t      width: _options.width,\n\t      resizable: false,\n\t      sortable: false,\n\t      cssClass: _options.cssClass,\n\t      formatter: checkboxSelectionFormatter\n\t    };\n\t  }\n\t\n\t  function checkboxSelectionFormatter(row, cell, value, columnDef, dataContext) {\n\t    if (dataContext) {\n\t      return _selectedRowsLookup[row] ? \"<input type='checkbox' checked='checked'>\" : \"<input type='checkbox'>\";\n\t    }\n\t    return null;\n\t  }\n\t\n\t  Object.assign(this, {\n\t    init: init,\n\t    destroy: destroy,\n\t\n\t    getColumnDefinition: getColumnDefinition\n\t  });\n\t}\n\n/***/ }),\n/* 17 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tObject.defineProperty(exports, \"__esModule\", {\n\t  value: true\n\t});\n\t\n\tvar _slick = __webpack_require__(18);\n\t\n\tvar _slick2 = _interopRequireDefault(_slick);\n\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\n\texports.default = _slick2.default;\n\n/***/ }),\n/* 18 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tObject.defineProperty(exports, \"__esModule\", {\n\t  value: true\n\t});\n\t\n\tvar _jquery = __webpack_require__(2);\n\t\n\tvar _jquery2 = _interopRequireDefault(_jquery);\n\t\n\tvar _slick = __webpack_require__(1);\n\t\n\tvar _slick2 = _interopRequireDefault(_slick);\n\t\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\t\n\texports.default = HeaderButtons;\n\t/** *\r\n\t * A plugin to add custom buttons to column headers.\r\n\t *\r\n\t * USAGE:\r\n\t *\r\n\t * Add the plugin .js & .css files and register it with the grid.\r\n\t *\r\n\t * To specify a custom button in a column header, extend the column definition like so:\r\n\t *\r\n\t *   var columns = [\r\n\t *     {\r\n\t *       id: 'myColumn',\r\n\t *       name: 'My column',\r\n\t *\r\n\t *       // This is the relevant part\r\n\t *       header: {\r\n\t *          buttons: [\r\n\t *              {\r\n\t *                // button options\r\n\t *              },\r\n\t *              {\r\n\t *                // button options\r\n\t *              }\r\n\t *          ]\r\n\t *       }\r\n\t *     }\r\n\t *   ];\r\n\t *\r\n\t * Available button options:\r\n\t *    cssClass:     CSS class to add to the button.\r\n\t *    image:        Relative button image path.\r\n\t *    tooltip:      Button tooltip.\r\n\t *    showOnHover:  Only show the button on hover.\r\n\t *    handler:      Button click handler.\r\n\t *    command:      A command identifier to be passed to the onCommand event handlers.\r\n\t *\r\n\t * The plugin exposes the following events:\r\n\t *    onCommand:    Fired on button click for buttons with 'command' specified.\r\n\t *        Event args:\r\n\t *            grid:     Reference to the grid.\r\n\t *            column:   Column definition.\r\n\t *            command:  Button command identified.\r\n\t *            button:   Button options.  Note that you can change the button options in your\r\n\t *                      event handler, and the column header will be automatically updated to\r\n\t *                      reflect them.  This is useful if you want to implement something like a\r\n\t *                      toggle button.\r\n\t *\r\n\t *\r\n\t * @param options {Object} Options:\r\n\t *    buttonCssClass:   a CSS class to use for buttons (default 'slick-header-button')\r\n\t * @class Slick.Plugins.HeaderButtons\r\n\t * @constructor\r\n\t */\n\t\n\tfunction HeaderButtons(options) {\n\t  var _grid;\n\t  var _self = this;\n\t  var _handler = new _slick2.default.EventHandler();\n\t  var _defaults = {\n\t    buttonCssClass: 'slick-header-button'\n\t  };\n\t\n\t  function init(grid) {\n\t    options = Object.assign({}, _defaults, options);\n\t    _grid = grid;\n\t    _handler.subscribe(_grid.onHeaderCellRendered, handleHeaderCellRendered).subscribe(_grid.onBeforeHeaderCellDestroy, handleBeforeHeaderCellDestroy);\n\t\n\t    // Force the grid to re-render the header now that the events are hooked up.\n\t    _grid.setColumns(_grid.getColumns());\n\t  }\n\t\n\t  function destroy() {\n\t    _handler.unsubscribeAll();\n\t  }\n\t\n\t  function handleHeaderCellRendered(e, args) {\n\t    var column = args.column;\n\t\n\t    if (column.header && column.header.buttons) {\n\t      // Append buttons in reverse order since they are floated to the right.\n\t      var i = column.header.buttons.length;\n\t      while (i--) {\n\t        var button = column.header.buttons[i];\n\t        var btn = (0, _jquery2.default)('<div></div>').addClass(options.buttonCssClass).data('column', column).data('button', button);\n\t\n\t        if (button.showOnHover) {\n\t          btn.addClass('slick-header-button-hidden');\n\t        }\n\t\n\t        if (button.image) {\n\t          btn.css('backgroundImage', 'url(' + button.image + ')');\n\t        }\n\t\n\t        if (button.cssClass) {\n\t          btn.addClass(button.cssClass);\n\t        }\n\t\n\t        if (button.tooltip) {\n\t          btn.attr('title', button.tooltip);\n\t        }\n\t\n\t        if (button.command) {\n\t          btn.data('command', button.command);\n\t        }\n\t\n\t        if (button.handler) {\n\t          btn.bind('click', button.handler);\n\t        }\n\t\n\t        btn.bind('click', handleButtonClick).appendTo(args.node);\n\t        args.node.classList.add('has-buttons');\n\t      }\n\t    }\n\t  }\n\t\n\t  function handleBeforeHeaderCellDestroy(e, args) {\n\t    var column = args.column;\n\t\n\t    if (column.header && column.header.buttons) {\n\t      // Removing buttons via jQuery will also clean up any event handlers and data.\n\t      // NOTE: If you attach event handlers directly or using a different framework,\n\t      //       you must also clean them up here to avoid memory leaks.\n\t      (0, _jquery2.default)(args.node).find('.' + options.buttonCssClass).remove();\n\t    }\n\t  }\n\t\n\t  function handleButtonClick(e) {\n\t    var command = (0, _jquery2.default)(this).data('command');\n\t    var columnDef = (0, _jquery2.default)(this).data('column');\n\t    var button = (0, _jquery2.default)(this).data('button');\n\t\n\t    if (command != null) {\n\t      _self.onCommand.notify({\n\t        'grid': _grid,\n\t        'column': columnDef,\n\t        'command': command,\n\t        'button': button\n\t      }, e, _self);\n\t\n\t      // Update the header in case the user updated the button definition in the handler.\n\t      _grid.updateColumnHeader(columnDef.id);\n\t    }\n\t\n\t    // Stop propagation so that it doesn't register as a header click event.\n\t    e.preventDefault();\n\t    e.stopPropagation();\n\t  }\n\t\n\t  Object.assign(this, {\n\t    init: init,\n\t    destroy: destroy,\n\t\n\t    'onCommand': new _slick2.default.Event()\n\t  });\n\t}\n\n/***/ }),\n/* 19 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tObject.defineProperty(exports, \"__esModule\", {\n\t  value: true\n\t});\n\t\n\tvar _slick = __webpack_require__(20);\n\t\n\tvar _slick2 = _interopRequireDefault(_slick);\n\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\n\texports.default = _slick2.default;\n\n/***/ }),\n/* 20 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tObject.defineProperty(exports, \"__esModule\", {\n\t  value: true\n\t});\n\t\n\tvar _jquery = __webpack_require__(2);\n\t\n\tvar _jquery2 = _interopRequireDefault(_jquery);\n\t\n\tvar _slick = __webpack_require__(1);\n\t\n\tvar _slick2 = _interopRequireDefault(_slick);\n\t\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\t\n\t// import './slick.headermenu.css';\n\t\n\texports.default = HeaderMenu;\n\t\n\t/** *\r\n\t * A plugin to add drop-down menus to column headers.\r\n\t *\r\n\t * USAGE:\r\n\t *\r\n\t * Add the plugin .js & .css files and register it with the grid.\r\n\t *\r\n\t * To specify a menu in a column header, extend the column definition like so:\r\n\t *\r\n\t *   const columns = [\r\n\t *     {\r\n\t *       id: 'myColumn',\r\n\t *       name: 'My column',\r\n\t *\r\n\t *       // This is the relevant part\r\n\t *       header: {\r\n\t *          menu: {\r\n\t *              items: [\r\n\t *                {\r\n\t *                  // menu item options\r\n\t *                },\r\n\t *                {\r\n\t *                  // menu item options\r\n\t *                }\r\n\t *              ]\r\n\t *          }\r\n\t *       }\r\n\t *     }\r\n\t *   ];\r\n\t *\r\n\t *\r\n\t * Available menu options:\r\n\t *    tooltip:      Menu button tooltip.\r\n\t *\r\n\t *\r\n\t * Available menu item options:\r\n\t *    title:        Menu item text.\r\n\t *    disabled:     Whether the item is disabled.\r\n\t *    tooltip:      Item tooltip.\r\n\t *    command:      A command identifier to be passed to the onCommand event handlers.\r\n\t *    iconCssClass: A CSS class to be added to the menu item icon.\r\n\t *    iconImage:    A url to the icon image.\r\n\t *\r\n\t *\r\n\t * The plugin exposes the following events:\r\n\t *    onBeforeMenuShow:   Fired before the menu is shown.  You can customize the menu or dismiss it by returning false.\r\n\t *        Event args:\r\n\t *            grid:     Reference to the grid.\r\n\t *            column:   Column definition.\r\n\t *            menu:     Menu options.  Note that you can change the menu items here.\r\n\t *\r\n\t *    onCommand:    Fired on menu item click for buttons with 'command' specified.\r\n\t *        Event args:\r\n\t *            grid:     Reference to the grid.\r\n\t *            column:   Column definition.\r\n\t *            command:  Button command identified.\r\n\t *            button:   Button options.  Note that you can change the button options in your\r\n\t *                      event handler, and the column header will be automatically updated to\r\n\t *                      reflect them.  This is useful if you want to implement something like a\r\n\t *                      toggle button.\r\n\t *\r\n\t *\r\n\t * @param options {Object} Options:\r\n\t *    buttonCssClass:   an extra CSS class to add to the menu button\r\n\t *    buttonImage:      a url to the menu button image (default '../images/down.gif')\r\n\t * @class Slick.Plugins.HeaderButtons\r\n\t * @constructor\r\n\t */\n\t\n\tfunction HeaderMenu(options) {\n\t  var _grid = void 0;\n\t  var _self = this;\n\t  var _handler = new _slick2.default.EventHandler();\n\t  var _defaults = {\n\t    buttonCssClass: null,\n\t    buttonImage: null\n\t  };\n\t\n\t  var $menu = void 0;\n\t  var $activeHeaderColumn = void 0;\n\t\n\t  function init(grid) {\n\t    options = Object.assign({}, _defaults, options);\n\t    _grid = grid;\n\t    _handler.subscribe(_grid.onHeaderCellRendered, handleHeaderCellRendered).subscribe(_grid.onBeforeHeaderCellDestroy, handleBeforeHeaderCellDestroy);\n\t\n\t    // Force the grid to re-render the header now that the events are hooked up.\n\t    _grid.setColumns(_grid.getColumns());\n\t\n\t    // Hide the menu on outside click.\n\t    (0, _jquery2.default)(document.body).bind('mousedown', handleBodyMouseDown);\n\t  }\n\t\n\t  function destroy() {\n\t    _handler.unsubscribeAll();\n\t    (0, _jquery2.default)(document.body).unbind('mousedown', handleBodyMouseDown);\n\t  }\n\t\n\t  function handleBodyMouseDown(e) {\n\t    if ($menu && $menu[0] != e.target && !_jquery2.default.contains($menu[0], e.target)) {\n\t      hideMenu();\n\t    }\n\t  }\n\t\n\t  function hideMenu() {\n\t    if ($menu) {\n\t      $menu.remove();\n\t      $menu = null;\n\t      $activeHeaderColumn.removeClass('slick-header-column-active');\n\t    }\n\t  }\n\t\n\t  function handleHeaderCellRendered(e, args) {\n\t    var column = args.column;\n\t    var menu = column.header && column.header.menu;\n\t\n\t    if (menu) {\n\t      var $el = (0, _jquery2.default)('<div></div>').addClass('slick-header-menubutton').data('column', column).data('menu', menu);\n\t\n\t      if (options.buttonCssClass) {\n\t        $el.addClass(options.buttonCssClass);\n\t      }\n\t\n\t      if (options.buttonImage) {\n\t        $el.css('background-image', 'url(' + options.buttonImage + ')');\n\t      }\n\t\n\t      if (menu.tooltip) {\n\t        $el.attr('title', menu.tooltip);\n\t      }\n\t\n\t      $el.bind('click', showMenu).appendTo(args.node);\n\t    }\n\t  }\n\t\n\t  function handleBeforeHeaderCellDestroy(e, args) {\n\t    var column = args.column;\n\t\n\t    if (column.header && column.header.menu) {\n\t      (0, _jquery2.default)(args.node).find('.slick-header-menubutton').remove();\n\t    }\n\t  }\n\t\n\t  function showMenu(e) {\n\t    var $menuButton = (0, _jquery2.default)(this);\n\t    var menu = $menuButton.data('menu');\n\t    var columnDef = $menuButton.data('column');\n\t\n\t    // Let the user modify the menu or cancel altogether,\n\t    // or provide alternative menu implementation.\n\t    if (_self.onBeforeMenuShow.notify({\n\t      'grid': _grid,\n\t      'column': columnDef,\n\t      'menu': menu\n\t    }, e, _self) == false) {\n\t      return;\n\t    }\n\t\n\t    if (!$menu) {\n\t      $menu = (0, _jquery2.default)(\"<div class='slick-header-menu'></div>\").appendTo(_grid.getContainerNode());\n\t    }\n\t    $menu.empty();\n\t\n\t    // Construct the menu items.\n\t    for (var i = 0; i < menu.items.length; i++) {\n\t      var item = menu.items[i];\n\t\n\t      var $li = (0, _jquery2.default)(\"<div class='slick-header-menuitem'></div>\").data('command', item.command || '').data('column', columnDef).data('item', item).bind('click', handleMenuItemClick).appendTo($menu);\n\t\n\t      if (item.disabled) {\n\t        $li.addClass('slick-header-menuitem-disabled');\n\t      }\n\t\n\t      if (item.tooltip) {\n\t        $li.attr('title', item.tooltip);\n\t      }\n\t\n\t      var $icon = (0, _jquery2.default)(\"<div class='slick-header-menuicon'></div>\").appendTo($li);\n\t\n\t      if (item.iconCssClass) {\n\t        $icon.addClass(item.iconCssClass);\n\t      }\n\t\n\t      if (item.iconImage) {\n\t        $icon.css('background-image', 'url(' + item.iconImage + ')');\n\t      }\n\t\n\t      (0, _jquery2.default)(\"<span class='slick-header-menucontent'></span>\").text(item.title).appendTo($li);\n\t    }\n\t\n\t    // Position the menu.\n\t    $menu.offset({ top: (0, _jquery2.default)(this).offset().top + (0, _jquery2.default)(this).height(), left: (0, _jquery2.default)(this).offset().left });\n\t\n\t    // Mark the header as active to keep the highlighting.\n\t    $activeHeaderColumn = $menuButton.closest('.slick-header-column');\n\t    $activeHeaderColumn.addClass('slick-header-column-active');\n\t\n\t    // Stop propagation so that it doesn't register as a header click event.\n\t    e.preventDefault();\n\t    e.stopPropagation();\n\t  }\n\t\n\t  function handleMenuItemClick(e) {\n\t    var command = (0, _jquery2.default)(this).data('command');\n\t    var columnDef = (0, _jquery2.default)(this).data('column');\n\t    var item = (0, _jquery2.default)(this).data('item');\n\t\n\t    if (item.disabled) {\n\t      return;\n\t    }\n\t\n\t    hideMenu();\n\t\n\t    if (command != null && command != '') {\n\t      _self.onCommand.notify({\n\t        'grid': _grid,\n\t        'column': columnDef,\n\t        'command': command,\n\t        'item': item\n\t      }, e, _self);\n\t    }\n\t\n\t    // Stop propagation so that it doesn't register as a header click event.\n\t    e.preventDefault();\n\t    e.stopPropagation();\n\t  }\n\t\n\t  Object.assign(this, {\n\t    init: init,\n\t    destroy: destroy,\n\t\n\t    'onBeforeMenuShow': new _slick2.default.Event(),\n\t    'onCommand': new _slick2.default.Event()\n\t  });\n\t}\n\n/***/ }),\n/* 21 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tObject.defineProperty(exports, \"__esModule\", {\n\t  value: true\n\t});\n\t\n\tvar _slick = __webpack_require__(22);\n\t\n\tvar _slick2 = _interopRequireDefault(_slick);\n\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\n\texports.default = _slick2.default;\n\n/***/ }),\n/* 22 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tObject.defineProperty(exports, \"__esModule\", {\n\t  value: true\n\t});\n\t\n\tvar _slick = __webpack_require__(1);\n\t\n\tvar _slick2 = _interopRequireDefault(_slick);\n\t\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\t\n\texports.default = RowMoveManager;\n\t\n\t\n\tfunction RowMoveManager(options) {\n\t  var _grid = void 0;\n\t  var _canvas = void 0;\n\t  var _dragging = void 0;\n\t  var _self = this;\n\t  var _handler = new _slick2.default.EventHandler();\n\t  var _defaults = {\n\t    cancelEditOnDrag: false\n\t  };\n\t\n\t  function init(grid) {\n\t    options = Object.assign({}, _defaults, options);\n\t    _grid = grid;\n\t    _canvas = _grid.getCanvasNode();\n\t    _handler.subscribe(_grid.onDragInit, handleDragInit).subscribe(_grid.onDragStart, handleDragStart).subscribe(_grid.onDrag, handleDrag).subscribe(_grid.onDragEnd, handleDragEnd);\n\t  }\n\t\n\t  function destroy() {\n\t    _handler.unsubscribeAll();\n\t  }\n\t\n\t  function handleDragInit(e, dd) {\n\t    // prevent the grid from cancelling drag'n'drop by default\n\t    e.stopImmediatePropagation();\n\t  }\n\t\n\t  function handleDragStart(e, dd) {\n\t    var cell = _grid.getCellFromEvent(e);\n\t\n\t    if (options.cancelEditOnDrag && _grid.getEditorLock().isActive()) {\n\t      _grid.getEditorLock().cancelCurrentEdit();\n\t    }\n\t\n\t    if (_grid.getEditorLock().isActive() || !/move|selectAndMove/.test(_grid.getColumns()[cell.cell].behavior)) {\n\t      return false;\n\t    }\n\t\n\t    _dragging = true;\n\t    e.stopImmediatePropagation();\n\t\n\t    var selectedRows = _grid.getSelectedRows();\n\t\n\t    if (selectedRows.length == 0 || $.inArray(cell.row, selectedRows) == -1) {\n\t      selectedRows = [cell.row];\n\t      _grid.setSelectedRows(selectedRows);\n\t    }\n\t\n\t    var rowHeight = _grid.getOptions().rowHeight;\n\t\n\t    dd.selectedRows = selectedRows;\n\t\n\t    dd.selectionProxy = $(\"<div class='slick-reorder-proxy'/>\").css('position', 'absolute').css('zIndex', '99999').css('width', $(_canvas).innerWidth()).css('height', rowHeight * selectedRows.length).appendTo(_canvas);\n\t\n\t    dd.guide = $(\"<div class='slick-reorder-guide'/>\").css('position', 'absolute').css('zIndex', '99998').css('width', $(_canvas).innerWidth()).css('top', -1000).appendTo(_canvas);\n\t\n\t    dd.insertBefore = -1;\n\t  }\n\t\n\t  function handleDrag(e, dd) {\n\t    if (!_dragging) {\n\t      return;\n\t    }\n\t\n\t    e.stopImmediatePropagation();\n\t\n\t    var top = e.pageY - $(_canvas).offset().top;\n\t    dd.selectionProxy.css('top', top - 5);\n\t\n\t    var insertBefore = Math.max(0, Math.min(Math.round(top / _grid.getOptions().rowHeight), _grid.getDataLength()));\n\t    if (insertBefore !== dd.insertBefore) {\n\t      var eventData = {\n\t        'rows': dd.selectedRows,\n\t        'insertBefore': insertBefore\n\t      };\n\t\n\t      if (_self.onBeforeMoveRows.notify(eventData) === false) {\n\t        dd.guide.css('top', -1000);\n\t        dd.canMove = false;\n\t      } else {\n\t        dd.guide.css('top', insertBefore * _grid.getOptions().rowHeight);\n\t        dd.canMove = true;\n\t      }\n\t\n\t      dd.insertBefore = insertBefore;\n\t    }\n\t  }\n\t\n\t  function handleDragEnd(e, dd) {\n\t    if (!_dragging) {\n\t      return;\n\t    }\n\t    _dragging = false;\n\t    e.stopImmediatePropagation();\n\t\n\t    dd.guide.remove();\n\t    dd.selectionProxy.remove();\n\t\n\t    if (dd.canMove) {\n\t      var eventData = {\n\t        'rows': dd.selectedRows,\n\t        'insertBefore': dd.insertBefore\n\t      };\n\t      // TODO:  _grid.remapCellCssClasses ?\n\t      _self.onMoveRows.notify(eventData);\n\t    }\n\t  }\n\t\n\t  Object.assign(this, {\n\t    'onBeforeMoveRows': new _slick2.default.Event(),\n\t    'onMoveRows': new _slick2.default.Event(),\n\t    init: init,\n\t    destroy: destroy\n\t  });\n\t}\n\n/***/ }),\n/* 23 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tObject.defineProperty(exports, \"__esModule\", {\n\t  value: true\n\t});\n\t\n\tvar _slick = __webpack_require__(24);\n\t\n\tvar _slick2 = _interopRequireDefault(_slick);\n\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\n\texports.default = _slick2.default;\n\n/***/ }),\n/* 24 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tObject.defineProperty(exports, \"__esModule\", {\n\t  value: true\n\t});\n\t\n\tvar _jquery = __webpack_require__(2);\n\t\n\tvar _jquery2 = _interopRequireDefault(_jquery);\n\t\n\tvar _slick = __webpack_require__(1);\n\t\n\tvar _slick2 = _interopRequireDefault(_slick);\n\t\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\t\n\texports.default = RowSelectionModel;\n\t\n\t\n\tfunction RowSelectionModel(options) {\n\t  var _grid = void 0;\n\t  var _ranges = [];\n\t  var _self = this;\n\t  var _handler = new _slick2.default.EventHandler();\n\t  var _inHandler = void 0;\n\t  var _options = void 0;\n\t  var _defaults = {\n\t    selectActiveRow: true\n\t  };\n\t\n\t  function init(grid) {\n\t    _options = Object.assign({}, _defaults, options);\n\t    _grid = grid;\n\t    _handler.subscribe(_grid.onActiveCellChanged, wrapHandler(handleActiveCellChange));\n\t    _handler.subscribe(_grid.onKeyDown, wrapHandler(handleKeyDown));\n\t    _handler.subscribe(_grid.onClick, wrapHandler(handleClick));\n\t  }\n\t\n\t  function destroy() {\n\t    _handler.unsubscribeAll();\n\t  }\n\t\n\t  function wrapHandler(handler) {\n\t    return function () {\n\t      if (!_inHandler) {\n\t        _inHandler = true;\n\t        handler.apply(this, arguments);\n\t        _inHandler = false;\n\t      }\n\t    };\n\t  }\n\t\n\t  function rangesToRows(ranges) {\n\t    var rows = [];\n\t    for (var i = 0; i < ranges.length; i++) {\n\t      for (var j = ranges[i].fromRow; j <= ranges[i].toRow; j++) {\n\t        rows.push(j);\n\t      }\n\t    }\n\t    return rows;\n\t  }\n\t\n\t  function rowsToRanges(rows) {\n\t    var ranges = [];\n\t    var lastCell = _grid.getColumns().length - 1;\n\t    for (var i = 0; i < rows.length; i++) {\n\t      ranges.push(new _slick2.default.Range(rows[i], 0, rows[i], lastCell));\n\t    }\n\t    return ranges;\n\t  }\n\t\n\t  function getRowsRange(from, to) {\n\t    var i = void 0;\n\t    var rows = [];\n\t    for (i = from; i <= to; i++) {\n\t      rows.push(i);\n\t    }\n\t    for (i = to; i < from; i++) {\n\t      rows.push(i);\n\t    }\n\t    return rows;\n\t  }\n\t\n\t  function getSelectedRows() {\n\t    return rangesToRows(_ranges);\n\t  }\n\t\n\t  function setSelectedRows(rows) {\n\t    setSelectedRanges(rowsToRanges(rows));\n\t  }\n\t\n\t  function setSelectedRanges(ranges) {\n\t    // simle check for: empty selection didn't change, prevent firing onSelectedRangesChanged\n\t    if ((!_ranges || _ranges.length === 0) && (!ranges || ranges.length === 0)) {\n\t      return;\n\t    }\n\t    _ranges = ranges;\n\t    _self.onSelectedRangesChanged.notify(_ranges);\n\t  }\n\t\n\t  function getSelectedRanges() {\n\t    return _ranges;\n\t  }\n\t\n\t  function handleActiveCellChange(e, data) {\n\t    if (_options.selectActiveRow && data.row != null) {\n\t      setSelectedRanges([new _slick2.default.Range(data.row, 0, data.row, _grid.getColumns().length - 1)]);\n\t    }\n\t  }\n\t\n\t  function handleKeyDown(e) {\n\t    var activeRow = _grid.getActiveCell();\n\t    if (activeRow && e.shiftKey && !e.ctrlKey && !e.altKey && !e.metaKey && (e.which == 38 || e.which == 40)) {\n\t      var selectedRows = getSelectedRows();\n\t      selectedRows.sort(function (x, y) {\n\t        return x - y;\n\t      });\n\t\n\t      if (!selectedRows.length) {\n\t        selectedRows = [activeRow.row];\n\t      }\n\t\n\t      var top = selectedRows[0];\n\t      var bottom = selectedRows[selectedRows.length - 1];\n\t      var active = void 0;\n\t\n\t      if (e.which == 40) {\n\t        active = activeRow.row < bottom || top == bottom ? ++bottom : ++top;\n\t      } else {\n\t        active = activeRow.row < bottom ? --bottom : --top;\n\t      }\n\t\n\t      if (active >= 0 && active < _grid.getDataLength()) {\n\t        _grid.scrollRowIntoView(active);\n\t        _ranges = rowsToRanges(getRowsRange(top, bottom));\n\t        setSelectedRanges(_ranges);\n\t      }\n\t\n\t      e.preventDefault();\n\t      e.stopPropagation();\n\t    }\n\t  }\n\t\n\t  function handleClick(e) {\n\t    var cell = _grid.getCellFromEvent(e);\n\t    if (!cell || !_grid.canCellBeActive(cell.row, cell.cell)) {\n\t      return false;\n\t    }\n\t\n\t    if (!_grid.getOptions().multiSelect || !e.ctrlKey && !e.shiftKey && !e.metaKey) {\n\t      return false;\n\t    }\n\t\n\t    var selection = rangesToRows(_ranges);\n\t    var idx = _jquery2.default.inArray(cell.row, selection);\n\t\n\t    if (idx === -1 && (e.ctrlKey || e.metaKey)) {\n\t      selection.push(cell.row);\n\t      _grid.setActiveCell(cell.row, cell.cell);\n\t    } else if (idx !== -1 && (e.ctrlKey || e.metaKey)) {\n\t      selection = _jquery2.default.grep(selection, function (o, i) {\n\t        return o !== cell.row;\n\t      });\n\t      _grid.setActiveCell(cell.row, cell.cell);\n\t    } else if (selection.length && e.shiftKey) {\n\t      var last = selection.pop();\n\t      var from = Math.min(cell.row, last);\n\t      var to = Math.max(cell.row, last);\n\t      selection = [];\n\t      for (var i = from; i <= to; i++) {\n\t        if (i !== last) {\n\t          selection.push(i);\n\t        }\n\t      }\n\t      selection.push(last);\n\t      _grid.setActiveCell(cell.row, cell.cell);\n\t    }\n\t\n\t    _ranges = rowsToRanges(selection);\n\t    setSelectedRanges(_ranges);\n\t    e.stopImmediatePropagation();\n\t\n\t    return true;\n\t  }\n\t\n\t  Object.assign(this, {\n\t    getSelectedRows: getSelectedRows,\n\t    setSelectedRows: setSelectedRows,\n\t\n\t    getSelectedRanges: getSelectedRanges,\n\t    setSelectedRanges: setSelectedRanges,\n\t\n\t    init: init,\n\t    destroy: destroy,\n\t\n\t    'onSelectedRangesChanged': new _slick2.default.Event()\n\t  });\n\t}\n\n/***/ }),\n/* 25 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tObject.defineProperty(exports, \"__esModule\", {\n\t  value: true\n\t});\n\texports.Plugins = exports.FrozenGrid = exports.Grid = exports.Data = exports.Formatters = exports.Editors = exports.Slick = undefined;\n\t\n\tvar _slick = __webpack_require__(1);\n\t\n\tvar _slick2 = _interopRequireDefault(_slick);\n\t\n\tvar _slick3 = __webpack_require__(28);\n\t\n\tvar _slick4 = _interopRequireDefault(_slick3);\n\t\n\tvar _slick5 = __webpack_require__(27);\n\t\n\tvar _slick6 = _interopRequireDefault(_slick5);\n\t\n\tvar _slick7 = __webpack_require__(30);\n\t\n\tvar _slick8 = _interopRequireDefault(_slick7);\n\t\n\tvar _slickFrozen = __webpack_require__(26);\n\t\n\tvar _slickFrozen2 = _interopRequireDefault(_slickFrozen);\n\t\n\tvar _slick9 = __webpack_require__(29);\n\t\n\tvar _slick10 = _interopRequireDefault(_slick9);\n\t\n\tvar _plugins = __webpack_require__(6);\n\t\n\tvar Plugins = _interopRequireWildcard(_plugins);\n\t\n\tfunction _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }\n\t\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\t\n\texports.Slick = _slick2.default;\n\texports.Editors = _slick4.default;\n\texports.Formatters = _slick10.default;\n\texports.Data = _slick6.default;\n\texports.Grid = _slick8.default;\n\texports.FrozenGrid = _slickFrozen2.default;\n\texports.Plugins = Plugins;\n\n/***/ }),\n/* 26 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tObject.defineProperty(exports, \"__esModule\", {\n\t  value: true\n\t});\n\t\n\tvar _jquery = __webpack_require__(2);\n\t\n\tvar _jquery2 = _interopRequireDefault(_jquery);\n\t\n\tvar _interact = __webpack_require__(5);\n\t\n\tvar _interact2 = _interopRequireDefault(_interact);\n\t\n\tvar _slick = __webpack_require__(1);\n\t\n\tvar _slick2 = _interopRequireDefault(_slick);\n\t\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\t\n\t// Slick.Grid globals pretense\n\t_slick2.default.FrozenGrid = SlickGrid; /**\r\n\t                                         * @license\r\n\t                                         * (c) 2009-2013 Michael Leibman\r\n\t                                         * michael{dot}leibman{at}gmail{dot}com\r\n\t                                         * http://github.com/mleibman/slickgrid\r\n\t                                         *\r\n\t                                         * Distributed under MIT license.\r\n\t                                         * All rights reserved.\r\n\t                                         *\r\n\t                                         * SlickGrid v2.2\r\n\t                                         *\r\n\t                                         * NOTES:\r\n\t                                         *     Cell/row DOM manipulations are done directly bypassing jQuery's DOM manipulation methods.\r\n\t                                         *     This increases the speed dramatically, but can only be done safely because there are no event handlers\r\n\t                                         *     or data associated with any cell/row DOM nodes.  Cell editors must make sure they implement .destroy()\r\n\t                                         *     and do proper cleanup.\r\n\t                                         */\n\t\n\texports.default = SlickGrid;\n\t\n\t// shared across all grids on the page\n\t\n\tvar scrollbarDimensions;\n\tvar maxSupportedCssHeight; // browser's breaking point\n\t\n\t//////////////////////////////////////////////////////////////////////////////////////////////\n\t// SlickGrid class implementation (available as Slick.Grid)\n\t\n\t/**\r\n\t * Creates a new instance of the grid.\r\n\t * @class SlickGrid\r\n\t * @constructor\r\n\t * @param {Node}              container   Container node to create the grid in.\r\n\t * @param {Array,Object}      data        An array of objects for databinding.\r\n\t * @param {Array}             columns     An array of column definitions.\r\n\t * @param {Object}            options     Grid options.\r\n\t **/\n\tfunction SlickGrid(container, data, columns, options) {\n\t  // settings\n\t  var defaults = {\n\t    explicitInitialization: false,\n\t    rowHeight: 25,\n\t    defaultColumnWidth: 80,\n\t    enableAddRow: false,\n\t    leaveSpaceForNewRows: false,\n\t    editable: false,\n\t    autoEdit: true,\n\t    enableCellNavigation: true,\n\t    enableColumnReorder: true,\n\t    asyncEditorLoading: false,\n\t    asyncEditorLoadDelay: 100,\n\t    forceFitColumns: false,\n\t    enableAsyncPostRender: false,\n\t    asyncPostRenderDelay: 50,\n\t    autoHeight: false,\n\t    editorLock: _slick2.default.GlobalEditorLock,\n\t    showHeaderRow: false,\n\t    headerRowHeight: 25,\n\t    showFooterRow: false,\n\t    footerRowHeight: 25,\n\t    showTopPanel: false,\n\t    topPanelHeight: 25,\n\t    formatterFactory: null,\n\t    editorFactory: null,\n\t    cellFlashingCssClass: \"flashing\",\n\t    selectedCellCssClass: \"selected\",\n\t    multiSelect: true,\n\t    enableTextSelectionOnCells: false,\n\t    dataItemColumnValueExtractor: null,\n\t    frozenBottom: false,\n\t    frozenColumn: -1,\n\t    frozenRow: -1,\n\t    fullWidthRows: false,\n\t    multiColumnSort: false,\n\t    defaultFormatter: defaultFormatter,\n\t    forceSyncScrolling: false,\n\t    addNewRowCssClass: \"new-row\"\n\t  };\n\t\n\t  var columnDefaults = {\n\t    name: \"\",\n\t    resizable: true,\n\t    sortable: false,\n\t    minWidth: 30,\n\t    rerenderOnResize: false,\n\t    headerCssClass: null,\n\t    defaultSortAsc: true,\n\t    focusable: true,\n\t    selectable: true\n\t  };\n\t\n\t  // scroller\n\t  var th; // virtual height\n\t  var h; // real scrollable height\n\t  var ph; // page height\n\t  var n; // number of pages\n\t  var cj; // \"jumpiness\" coefficient\n\t\n\t  var page = 0; // current page\n\t  var offset = 0; // current page offset\n\t  var vScrollDir = 1;\n\t\n\t  // private\n\t  var initialized = false;\n\t  var $container;\n\t  var uid = \"slickgrid_\" + Math.round(1000000 * Math.random());\n\t  var self = this;\n\t  var $focusSink, $focusSink2;\n\t  var $groupHeaders = (0, _jquery2.default)();\n\t  var $headerScroller;\n\t  var $headers;\n\t  var $headerRow, $headerRowScroller, $headerRowSpacerL, $headerRowSpacerR;\n\t  var $footerRow, $footerRowScroller, $footerRowSpacerL, $footerRowSpacerR;\n\t  var $topPanelScroller;\n\t  var $topPanel;\n\t  var $viewport;\n\t  var $canvas;\n\t  var $style;\n\t  var $boundAncestors;\n\t  var treeColumns;\n\t  var stylesheet, columnCssRulesL, columnCssRulesR;\n\t  var viewportH, viewportW;\n\t  var canvasWidth, canvasWidthL, canvasWidthR;\n\t  var headersWidth, headersWidthL, headersWidthR;\n\t  var viewportHasHScroll, viewportHasVScroll;\n\t  var headerColumnWidthDiff = 0,\n\t      headerColumnHeightDiff = 0,\n\t      // border+padding\n\t  cellWidthDiff = 0,\n\t      cellHeightDiff = 0;\n\t  var absoluteColumnMinWidth;\n\t  var hasFrozenRows = false;\n\t  var frozenRowsHeight = 0;\n\t  var actualFrozenRow = -1;\n\t  var paneTopH = 0;\n\t  var paneBottomH = 0;\n\t  var viewportTopH = 0;\n\t  var viewportBottomH = 0;\n\t  var topPanelH = 0;\n\t  var headerRowH = 0;\n\t  var footerRowH = 0;\n\t\n\t  var tabbingDirection = 1;\n\t  var $activeCanvasNode;\n\t  var $activeViewportNode;\n\t  var activePosX;\n\t  var activeRow, activeCell;\n\t  var activeCellNode = null;\n\t  var currentEditor = null;\n\t  var serializedEditorValue;\n\t  var editController;\n\t\n\t  var rowsCache = {};\n\t  var renderedRows = 0;\n\t  var numVisibleRows = 0;\n\t  var prevScrollTop = 0;\n\t  var scrollTop = 0;\n\t  var lastRenderedScrollTop = 0;\n\t  var lastRenderedScrollLeft = 0;\n\t  var prevScrollLeft = 0;\n\t  var scrollLeft = 0;\n\t\n\t  var selectionModel;\n\t  var selectedRows = [];\n\t\n\t  var plugins = [];\n\t  var cellCssClasses = {};\n\t\n\t  var columnsById = {};\n\t  var sortColumns = [];\n\t  var columnPosLeft = [];\n\t  var columnPosRight = [];\n\t\n\t  // async call handles\n\t  var h_editorLoader = null;\n\t  var h_render = null;\n\t  var h_postrender = null;\n\t  var postProcessedRows = {};\n\t  var postProcessToRow = null;\n\t  var postProcessFromRow = null;\n\t\n\t  // perf counters\n\t  var counter_rows_rendered = 0;\n\t  var counter_rows_removed = 0;\n\t\n\t  // These two variables work around a bug with inertial scrolling in Webkit/Blink on Mac.\n\t  // See http://crbug.com/312427.\n\t  var rowNodeFromLastMouseWheelEvent; // this node must not be deleted while inertial scrolling\n\t  var zombieRowNodeFromLastMouseWheelEvent; // node that was hidden instead of getting deleted\n\t\n\t  var $paneHeaderL;\n\t  var $paneHeaderR;\n\t  var $paneTopL;\n\t  var $paneTopR;\n\t  var $paneBottomL;\n\t  var $paneBottomR;\n\t\n\t  var $headerScrollerL;\n\t  var $headerScrollerR;\n\t\n\t  var $headerL;\n\t  var $headerR;\n\t\n\t  var $groupHeadersL;\n\t  var $groupHeadersR;\n\t\n\t  var $headerRowScrollerL;\n\t  var $headerRowScrollerR;\n\t\n\t  var $footerRowScrollerL;\n\t  var $footerRowScrollerR;\n\t\n\t  var $headerRowL;\n\t  var $headerRowR;\n\t\n\t  var $footerRowL;\n\t  var $footerRowR;\n\t\n\t  var $topPanelScrollerL;\n\t  var $topPanelScrollerR;\n\t\n\t  var $topPanelL;\n\t  var $topPanelR;\n\t\n\t  var $viewportTopL;\n\t  var $viewportTopR;\n\t  var $viewportBottomL;\n\t  var $viewportBottomR;\n\t\n\t  var $canvasTopL;\n\t  var $canvasTopR;\n\t  var $canvasBottomL;\n\t  var $canvasBottomR;\n\t\n\t  var $viewportScrollContainerX;\n\t  var $viewportScrollContainerY;\n\t  var $headerScrollContainer;\n\t  var $headerRowScrollContainer;\n\t  var $footerRowScrollContainer;\n\t\n\t  //////////////////////////////////////////////////////////////////////////////////////////////\n\t  // Initialization\n\t\n\t  function init() {\n\t    $container = (0, _jquery2.default)(container);\n\t    if ($container.length < 1) {\n\t      throw new Error(\"SlickGrid requires a valid container, \" + container + \" does not exist in the DOM.\");\n\t    }\n\t\n\t    // calculate these only once and share between grid instances\n\t    maxSupportedCssHeight = maxSupportedCssHeight || getMaxSupportedCssHeight();\n\t    scrollbarDimensions = scrollbarDimensions || measureScrollbar();\n\t\n\t    options = _jquery2.default.extend({}, defaults, options);\n\t    validateAndEnforceOptions();\n\t    columnDefaults.width = options.defaultColumnWidth;\n\t\n\t    treeColumns = new _slick2.default.TreeColumns(columns);\n\t    columns = treeColumns.extractColumns();\n\t\n\t    columnsById = {};\n\t    for (var i = 0; i < columns.length; i++) {\n\t      var m = columns[i] = _jquery2.default.extend({}, columnDefaults, columns[i]);\n\t      columnsById[m.id] = i;\n\t      if (m.minWidth && m.width < m.minWidth) {\n\t        m.width = m.minWidth;\n\t      }\n\t      if (m.maxWidth && m.width > m.maxWidth) {\n\t        m.width = m.maxWidth;\n\t      }\n\t    }\n\t\n\t    editController = {\n\t      \"commitCurrentEdit\": commitCurrentEdit,\n\t      \"cancelCurrentEdit\": cancelCurrentEdit\n\t    };\n\t\n\t    $container.empty().css(\"overflow\", \"hidden\").css(\"outline\", 0).addClass(uid).addClass(\"ui-widget\");\n\t\n\t    // set up a positioning container if needed\n\t    if (!/relative|absolute|fixed/.test($container.css(\"position\"))) {\n\t      $container.css(\"position\", \"relative\");\n\t    }\n\t\n\t    $focusSink = (0, _jquery2.default)(\"<div tabIndex='0' hideFocus style='position:fixed;width:0;height:0;top:0;left:0;outline:0;'></div>\").appendTo($container);\n\t\n\t    // Containers used for scrolling frozen columns and rows\n\t    $paneHeaderL = (0, _jquery2.default)(\"<div class='slick-pane slick-pane-header slick-pane-left' tabIndex='0' />\").appendTo($container);\n\t    $paneHeaderR = (0, _jquery2.default)(\"<div class='slick-pane slick-pane-header slick-pane-right' tabIndex='0' />\").appendTo($container);\n\t    $paneTopL = (0, _jquery2.default)(\"<div class='slick-pane slick-pane-top slick-pane-left' tabIndex='0' />\").appendTo($container);\n\t    $paneTopR = (0, _jquery2.default)(\"<div class='slick-pane slick-pane-top slick-pane-right' tabIndex='0' />\").appendTo($container);\n\t    $paneBottomL = (0, _jquery2.default)(\"<div class='slick-pane slick-pane-bottom slick-pane-left' tabIndex='0' />\").appendTo($container);\n\t    $paneBottomR = (0, _jquery2.default)(\"<div class='slick-pane slick-pane-bottom slick-pane-right' tabIndex='0' />\").appendTo($container);\n\t\n\t    // Append the header scroller containers\n\t    $headerScrollerL = (0, _jquery2.default)(\"<div class='ui-state-default slick-header slick-header-left' />\").appendTo($paneHeaderL);\n\t    $headerScrollerR = (0, _jquery2.default)(\"<div class='ui-state-default slick-header slick-header-right' />\").appendTo($paneHeaderR);\n\t\n\t    // Cache the header scroller containers\n\t    $headerScroller = (0, _jquery2.default)().add($headerScrollerL).add($headerScrollerR);\n\t\n\t    if (treeColumns.hasDepth()) {\n\t      $groupHeadersL = [], $groupHeadersR = [];\n\t      for (var index = 0; index < treeColumns.getDepth() - 1; index++) {\n\t        $groupHeadersL[index] = (0, _jquery2.default)(\"<div class='slick-group-header-columns slick-group-header-columns-left' style='left:-1000px' />\").appendTo($headerScrollerL);\n\t        $groupHeadersR[index] = (0, _jquery2.default)(\"<div class='slick-group-header-columns slick-group-header-columns-right' style='left:-1000px' />\").appendTo($headerScrollerR);\n\t      }\n\t\n\t      $groupHeaders = (0, _jquery2.default)().add($groupHeadersL).add($groupHeadersR);\n\t    }\n\t\n\t    // Append the columnn containers to the headers\n\t    $headerL = (0, _jquery2.default)(\"<div class='slick-header-columns slick-header-columns-left' style='left:-1000px' />\").appendTo($headerScrollerL);\n\t    $headerR = (0, _jquery2.default)(\"<div class='slick-header-columns slick-header-columns-right' style='left:-1000px' />\").appendTo($headerScrollerR);\n\t\n\t    // Cache the header columns\n\t    $headers = (0, _jquery2.default)().add($headerL).add($headerR);\n\t\n\t    $headerRowScrollerL = (0, _jquery2.default)(\"<div class='ui-state-default slick-headerrow' />\").appendTo($paneTopL);\n\t    $headerRowScrollerR = (0, _jquery2.default)(\"<div class='ui-state-default slick-headerrow' />\").appendTo($paneTopR);\n\t\n\t    $headerRowScroller = (0, _jquery2.default)().add($headerRowScrollerL).add($headerRowScrollerR);\n\t\n\t    $headerRowSpacerL = (0, _jquery2.default)(\"<div style='display:block;height:1px;position:absolute;top:0;left:0;'></div>\").css(\"width\", getCanvasWidth() + scrollbarDimensions.width + \"px\").appendTo($headerRowScrollerL);\n\t    $headerRowSpacerR = (0, _jquery2.default)(\"<div style='display:block;height:1px;position:absolute;top:0;left:0;'></div>\").css(\"width\", getCanvasWidth() + scrollbarDimensions.width + \"px\").appendTo($headerRowScrollerR);\n\t\n\t    $headerRowL = (0, _jquery2.default)(\"<div class='slick-headerrow-columns slick-headerrow-columns-left' />\").appendTo($headerRowScrollerL);\n\t    $headerRowR = (0, _jquery2.default)(\"<div class='slick-headerrow-columns slick-headerrow-columns-right' />\").appendTo($headerRowScrollerR);\n\t\n\t    $headerRow = (0, _jquery2.default)().add($headerRowL).add($headerRowR);\n\t\n\t    // Append the top panel scroller\n\t    $topPanelScrollerL = (0, _jquery2.default)(\"<div class='ui-state-default slick-top-panel-scroller' />\").appendTo($paneTopL);\n\t    $topPanelScrollerR = (0, _jquery2.default)(\"<div class='ui-state-default slick-top-panel-scroller' />\").appendTo($paneTopR);\n\t\n\t    $topPanelScroller = (0, _jquery2.default)().add($topPanelScrollerL).add($topPanelScrollerR);\n\t\n\t    // Append the top panel\n\t    $topPanelL = (0, _jquery2.default)(\"<div class='slick-top-panel' style='width:10000px' />\").appendTo($topPanelScrollerL);\n\t    $topPanelR = (0, _jquery2.default)(\"<div class='slick-top-panel' style='width:10000px' />\").appendTo($topPanelScrollerR);\n\t\n\t    $topPanel = (0, _jquery2.default)().add($topPanelL).add($topPanelR);\n\t\n\t    if (!options.showTopPanel) {\n\t      $topPanelScroller.hide();\n\t    }\n\t\n\t    if (!options.showHeaderRow) {\n\t      $headerRowScroller.hide();\n\t    }\n\t\n\t    // Append the viewport containers\n\t    $viewportTopL = (0, _jquery2.default)(\"<div class='slick-viewport slick-viewport-top slick-viewport-left' tabIndex='0' hideFocus />\").appendTo($paneTopL);\n\t    $viewportTopR = (0, _jquery2.default)(\"<div class='slick-viewport slick-viewport-top slick-viewport-right' tabIndex='0' hideFocus />\").appendTo($paneTopR);\n\t    $viewportBottomL = (0, _jquery2.default)(\"<div class='slick-viewport slick-viewport-bottom slick-viewport-left' tabIndex='0' hideFocus />\").appendTo($paneBottomL);\n\t    $viewportBottomR = (0, _jquery2.default)(\"<div class='slick-viewport slick-viewport-bottom slick-viewport-right' tabIndex='0' hideFocus />\").appendTo($paneBottomR);\n\t\n\t    // Cache the viewports\n\t    $viewport = (0, _jquery2.default)().add($viewportTopL).add($viewportTopR).add($viewportBottomL).add($viewportBottomR);\n\t\n\t    // Default the active viewport to the top left\n\t    $activeViewportNode = $viewportTopL;\n\t\n\t    // Append the canvas containers\n\t    $canvasTopL = (0, _jquery2.default)(\"<div class='grid-canvas grid-canvas-top grid-canvas-left' tabIndex='0' hideFocus />\").appendTo($viewportTopL);\n\t    $canvasTopR = (0, _jquery2.default)(\"<div class='grid-canvas grid-canvas-top grid-canvas-right' tabIndex='0' hideFocus />\").appendTo($viewportTopR);\n\t    $canvasBottomL = (0, _jquery2.default)(\"<div class='grid-canvas grid-canvas-bottom grid-canvas-left' tabIndex='0' hideFocus />\").appendTo($viewportBottomL);\n\t    $canvasBottomR = (0, _jquery2.default)(\"<div class='grid-canvas grid-canvas-bottom grid-canvas-right' tabIndex='0' hideFocus />\").appendTo($viewportBottomR);\n\t\n\t    // Cache the canvases\n\t    $canvas = (0, _jquery2.default)().add($canvasTopL).add($canvasTopR).add($canvasBottomL).add($canvasBottomR);\n\t\n\t    // Default the active canvas to the top left\n\t    $activeCanvasNode = $canvasTopL;\n\t\n\t    // footer Row\n\t    $footerRowScrollerR = (0, _jquery2.default)(\"<div class='ui-state-default slick-footerrow' />\").appendTo($paneTopR);\n\t    $footerRowScrollerL = (0, _jquery2.default)(\"<div class='ui-state-default slick-footerrow' />\").appendTo($paneTopL);\n\t\n\t    $footerRowScroller = (0, _jquery2.default)().add($footerRowScrollerL).add($footerRowScrollerR);\n\t\n\t    $footerRowSpacerL = (0, _jquery2.default)(\"<div style='display:block;height:1px;position:absolute;top:0;left:0;'></div>\").css(\"width\", getCanvasWidth() + scrollbarDimensions.width + \"px\").appendTo($footerRowScrollerL);\n\t    $footerRowSpacerR = (0, _jquery2.default)(\"<div style='display:block;height:1px;position:absolute;top:0;left:0;'></div>\").css(\"width\", getCanvasWidth() + scrollbarDimensions.width + \"px\").appendTo($footerRowScrollerR);\n\t\n\t    $footerRowL = (0, _jquery2.default)(\"<div class='slick-footerrow-columns slick-footerrow-columns-left' />\").appendTo($footerRowScrollerL);\n\t    $footerRowR = (0, _jquery2.default)(\"<div class='slick-footerrow-columns slick-footerrow-columns-right' />\").appendTo($footerRowScrollerR);\n\t\n\t    $footerRow = (0, _jquery2.default)().add($footerRowL).add($footerRowR);\n\t\n\t    if (!options.showFooterRow) {\n\t      $footerRowScroller.hide();\n\t    }\n\t\n\t    $focusSink2 = $focusSink.clone().appendTo($container);\n\t\n\t    if (!options.explicitInitialization) {\n\t      finishInitialization();\n\t    }\n\t  }\n\t\n\t  function finishInitialization() {\n\t    if (!initialized) {\n\t      initialized = true;\n\t\n\t      getViewportWidth();\n\t      getViewportHeight();\n\t\n\t      // header columns and cells may have different padding/border skewing width calculations (box-sizing, hello?)\n\t      // calculate the diff so we can set consistent sizes\n\t      measureCellPaddingAndBorder();\n\t\n\t      // for usability reasons, all text selection in SlickGrid is disabled\n\t      // with the exception of input and textarea elements (selection must\n\t      // be enabled there so that editors work as expected); note that\n\t      // selection in grid cells (grid body) is already unavailable in\n\t      // all browsers except IE\n\t      disableSelection($headers); // disable all text selection in header (including input and textarea)\n\t\n\t      if (!options.enableTextSelectionOnCells) {\n\t        // disable text selection in grid cells except in input and textarea elements\n\t        // (this is IE-specific, because selectstart event will only fire in IE)\n\t        $viewport.bind(\"selectstart.ui\", function (event) {\n\t          return (0, _jquery2.default)(event.target).is(\"input,textarea\");\n\t        });\n\t      }\n\t\n\t      setFrozenOptions();\n\t      setPaneVisibility();\n\t      setScroller();\n\t      setOverflow();\n\t\n\t      updateColumnCaches();\n\t      createColumnHeaders();\n\t      createColumnGroupHeaders();\n\t      createColumnFooter();\n\t      setupColumnSort();\n\t      createCssRules();\n\t      resizeCanvas();\n\t      bindAncestorScrollEvents();\n\t\n\t      $container.bind(\"resize.slickgrid\", resizeCanvas);\n\t      $viewport.on(\"scroll\", handleScroll);\n\t\n\t      if (_jquery2.default.fn.mousewheel && (options.frozenColumn > -1 || hasFrozenRows)) {\n\t        $viewport.on(\"mousewheel\", handleMouseWheel);\n\t      }\n\t\n\t      $headerScroller.bind(\"contextmenu\", handleHeaderContextMenu).bind(\"click\", handleHeaderClick).delegate(\".slick-header-column\", \"mouseenter\", handleHeaderMouseEnter).delegate(\".slick-header-column\", \"mouseleave\", handleHeaderMouseLeave);\n\t      $headerRowScroller.bind(\"scroll\", handleHeaderRowScroll);\n\t\n\t      $footerRowScroller.bind(\"scroll\", handleFooterRowScroll);\n\t\n\t      $focusSink.add($focusSink2).bind(\"keydown\", handleKeyDown);\n\t      $canvas.bind(\"keydown\", handleKeyDown).bind(\"click\", handleClick).bind(\"dblclick\", handleDblClick).bind(\"contextmenu\", handleContextMenu).delegate(\".slick-cell\", \"mouseenter\", handleMouseEnter).delegate(\".slick-cell\", \"mouseleave\", handleMouseLeave);\n\t\n\t      // legacy support for drag events\n\t      (0, _interact2.default)($canvas[0]).allowFrom('div.slick-cell').draggable({\n\t        onmove: handleDrag,\n\t        onstart: handleDragStart,\n\t        onend: handleDragEnd\n\t      }).styleCursor(false);\n\t\n\t      // Work around http://crbug.com/312427.\n\t      if (navigator.userAgent.toLowerCase().match(/webkit/) && navigator.userAgent.toLowerCase().match(/macintosh/)) {\n\t        $canvas.on(\"mousewheel\", handleMouseWheel);\n\t      }\n\t    }\n\t  }\n\t\n\t  function hasFrozenColumns() {\n\t    return options.frozenColumn > -1;\n\t  }\n\t\n\t  function registerPlugin(plugin) {\n\t    plugins.unshift(plugin);\n\t    plugin.init(self);\n\t  }\n\t\n\t  function unregisterPlugin(plugin) {\n\t    for (var i = plugins.length; i >= 0; i--) {\n\t      if (plugins[i] === plugin) {\n\t        if (plugins[i].destroy) {\n\t          plugins[i].destroy();\n\t        }\n\t        plugins.splice(i, 1);\n\t        break;\n\t      }\n\t    }\n\t  }\n\t\n\t  function setSelectionModel(model) {\n\t    if (selectionModel) {\n\t      selectionModel.onSelectedRangesChanged.unsubscribe(handleSelectedRangesChanged);\n\t      if (selectionModel.destroy) {\n\t        selectionModel.destroy();\n\t      }\n\t    }\n\t\n\t    selectionModel = model;\n\t    if (selectionModel) {\n\t      selectionModel.init(self);\n\t      selectionModel.onSelectedRangesChanged.subscribe(handleSelectedRangesChanged);\n\t    }\n\t  }\n\t\n\t  function getSelectionModel() {\n\t    return selectionModel;\n\t  }\n\t\n\t  function getCanvasNode() {\n\t    return $canvas[0];\n\t  }\n\t\n\t  function getActiveCanvasNode(element) {\n\t    setActiveCanvasNode(element);\n\t\n\t    return $activeCanvasNode[0];\n\t  }\n\t\n\t  function getCanvases() {\n\t    return $canvas;\n\t  }\n\t\n\t  function setActiveCanvasNode(element) {\n\t    if (element) {\n\t      $activeCanvasNode = (0, _jquery2.default)(element.target).closest('.grid-canvas');\n\t    }\n\t  }\n\t\n\t  function getViewportNode() {\n\t    return $viewport[0];\n\t  }\n\t\n\t  function getActiveViewportNode(element) {\n\t    setActiveViewPortNode(element);\n\t\n\t    return $activeViewportNode[0];\n\t  }\n\t\n\t  function setActiveViewportNode(element) {\n\t    if (element) {\n\t      $activeViewportNode = (0, _jquery2.default)(element.target).closest('.slick-viewport');\n\t    }\n\t  }\n\t\n\t  function measureScrollbar() {\n\t    var $c = (0, _jquery2.default)(\"<div class='scrollbar-fix' style='position:absolute; top:-10000px; left:-10000px; width:100px; height:100px; overflow:scroll;'></div>\").appendTo(document.body);\n\t    var dim = {\n\t      width: $c.width() - $c[0].clientWidth,\n\t      height: $c.height() - $c[0].clientHeight\n\t    };\n\t    $c.remove();\n\t    return dim;\n\t  }\n\t\n\t  function getHeadersWidth() {\n\t    headersWidth = headersWidthL = headersWidthR = 0;\n\t\n\t    for (var i = 0, ii = columns.length; i < ii; i++) {\n\t      var width = columns[i].width;\n\t\n\t      if (options.frozenColumn > -1 && i > options.frozenColumn) {\n\t        headersWidthR += width;\n\t      } else {\n\t        headersWidthL += width;\n\t      }\n\t    }\n\t\n\t    if (hasFrozenColumns()) {\n\t      headersWidthL = headersWidthL + 1000;\n\t\n\t      headersWidthR = Math.max(headersWidthR, viewportW) + headersWidthL;\n\t      headersWidthR += scrollbarDimensions.width;\n\t    } else {\n\t      headersWidthL += scrollbarDimensions.width;\n\t      headersWidthL = Math.max(headersWidthL, viewportW) + 1000;\n\t    }\n\t\n\t    headersWidth = headersWidthL + headersWidthR;\n\t  }\n\t\n\t  function getHeadersWidthL() {\n\t    headersWidthL = 0;\n\t\n\t    columns.forEach(function (column, i) {\n\t      if (!(options.frozenColumn > -1 && i > options.frozenColumn)) headersWidthL += column.width;\n\t    });\n\t\n\t    if (hasFrozenColumns()) {\n\t      headersWidthL += 1000;\n\t    } else {\n\t      headersWidthL += scrollbarDimensions.width;\n\t      headersWidthL = Math.max(headersWidthL, viewportW) + 1000;\n\t    }\n\t\n\t    return headersWidthL;\n\t  }\n\t\n\t  function getHeadersWidthR() {\n\t    headersWidthR = 0;\n\t\n\t    columns.forEach(function (column, i) {\n\t      if (options.frozenColumn > -1 && i > options.frozenColumn) headersWidthR += column.width;\n\t    });\n\t\n\t    if (hasFrozenColumns()) {\n\t      headersWidthR = Math.max(headersWidthR, viewportW) + getHeadersWidthL();\n\t      headersWidthR += scrollbarDimensions.width;\n\t    }\n\t\n\t    return headersWidthR;\n\t  }\n\t\n\t  function getCanvasWidth() {\n\t    var availableWidth = viewportHasVScroll ? viewportW - scrollbarDimensions.width : viewportW;\n\t\n\t    var i = columns.length;\n\t\n\t    canvasWidthL = canvasWidthR = 0;\n\t\n\t    while (i--) {\n\t      if (hasFrozenColumns() && i > options.frozenColumn) {\n\t        canvasWidthR += columns[i].width;\n\t      } else {\n\t        canvasWidthL += columns[i].width;\n\t      }\n\t    }\n\t\n\t    var totalRowWidth = canvasWidthL + canvasWidthR;\n\t\n\t    return options.fullWidthRows ? Math.max(totalRowWidth, availableWidth) : totalRowWidth;\n\t  }\n\t\n\t  function updateCanvasWidth(forceColumnWidthsUpdate) {\n\t    var oldCanvasWidth = canvasWidth;\n\t    var oldCanvasWidthL = canvasWidthL;\n\t    var oldCanvasWidthR = canvasWidthR;\n\t    var widthChanged;\n\t    canvasWidth = getCanvasWidth();\n\t\n\t    widthChanged = canvasWidth !== oldCanvasWidth || canvasWidthL !== oldCanvasWidthL || canvasWidthR !== oldCanvasWidthR;\n\t\n\t    if (widthChanged || hasFrozenColumns() || hasFrozenRows) {\n\t      $canvasTopL.width(canvasWidthL);\n\t\n\t      getHeadersWidth();\n\t\n\t      $headerL.width(headersWidthL);\n\t      $headerR.width(headersWidthR);\n\t\n\t      if (hasFrozenColumns()) {\n\t        $canvasTopR.width(canvasWidthR);\n\t\n\t        $paneHeaderL.width(canvasWidthL);\n\t        $paneHeaderR.css('left', canvasWidthL);\n\t        $paneHeaderR.css('width', viewportW - canvasWidthL);\n\t\n\t        $paneTopL.width(canvasWidthL);\n\t        $paneTopR.css('left', canvasWidthL);\n\t        $paneTopR.css('width', viewportW - canvasWidthL);\n\t\n\t        $headerRowScrollerL.width(canvasWidthL);\n\t        $headerRowScrollerR.width(viewportW - canvasWidthL);\n\t\n\t        $headerRowL.width(canvasWidthL);\n\t        $headerRowR.width(canvasWidthR);\n\t\n\t        $footerRowScrollerL.width(canvasWidthL);\n\t        $footerRowScrollerR.width(viewportW - canvasWidthL);\n\t\n\t        $footerRowL.width(canvasWidthL);\n\t        $footerRowR.width(canvasWidthR);\n\t\n\t        $viewportTopL.width(canvasWidthL);\n\t        $viewportTopR.width(viewportW - canvasWidthL);\n\t\n\t        if (hasFrozenRows) {\n\t          $paneBottomL.width(canvasWidthL);\n\t          $paneBottomR.css('left', canvasWidthL);\n\t\n\t          $viewportBottomL.width(canvasWidthL);\n\t          $viewportBottomR.width(viewportW - canvasWidthL);\n\t\n\t          $canvasBottomL.width(canvasWidthL);\n\t          $canvasBottomR.width(canvasWidthR);\n\t        }\n\t      } else {\n\t        $paneHeaderL.width('100%');\n\t\n\t        $paneTopL.width('100%');\n\t\n\t        $headerRowScrollerL.width('100%');\n\t\n\t        $headerRowL.width(canvasWidth);\n\t\n\t        $footerRowScrollerL.width('100%');\n\t\n\t        $footerRowL.width(canvasWidth);\n\t\n\t        $viewportTopL.width('100%');\n\t\n\t        if (hasFrozenRows) {\n\t          $viewportBottomL.width('100%');\n\t          $canvasBottomL.width(canvasWidthL);\n\t        }\n\t      }\n\t\n\t      viewportHasHScroll = canvasWidth > viewportW - scrollbarDimensions.width;\n\t    }\n\t\n\t    $headerRowSpacerL.width(canvasWidth + (viewportHasVScroll ? scrollbarDimensions.width : 0));\n\t    $headerRowSpacerR.width(canvasWidth + (viewportHasVScroll ? scrollbarDimensions.width : 0));\n\t\n\t    $footerRowSpacerL.width(canvasWidth + (viewportHasVScroll ? scrollbarDimensions.width : 0));\n\t    $footerRowSpacerR.width(canvasWidth + (viewportHasVScroll ? scrollbarDimensions.width : 0));\n\t\n\t    if (widthChanged || forceColumnWidthsUpdate) {\n\t      applyColumnWidths();\n\t    }\n\t  }\n\t\n\t  function disableSelection($target) {\n\t    if ($target && $target.jquery) {\n\t      $target.attr(\"unselectable\", \"on\").css(\"MozUserSelect\", \"none\").bind(\"selectstart.ui\", function () {\n\t        return false;\n\t      }); // from jquery:ui.core.js 1.7.2\n\t    }\n\t  }\n\t\n\t  function getMaxSupportedCssHeight() {\n\t    var supportedHeight = 1000000;\n\t    // FF reports the height back but still renders blank after ~6M px\n\t    var testUpTo = navigator.userAgent.toLowerCase().match(/firefox/) ? 6000000 : 1000000000;\n\t    var div = (0, _jquery2.default)(\"<div style='display:none' />\").appendTo(document.body);\n\t\n\t    while (true) {\n\t      var test = supportedHeight * 2;\n\t      div.css(\"height\", test);\n\t      if (test > testUpTo || div.height() !== test) {\n\t        break;\n\t      } else {\n\t        supportedHeight = test;\n\t      }\n\t    }\n\t\n\t    div.remove();\n\t    return supportedHeight;\n\t  }\n\t\n\t  // TODO:  this is static.  need to handle page mutation.\n\t  function bindAncestorScrollEvents() {\n\t    var elem = hasFrozenRows && !options.frozenBottom ? $canvasBottomL[0] : $canvasTopL[0];\n\t    while ((elem = elem.parentNode) != document.body && elem != null) {\n\t      // bind to scroll containers only\n\t      if (elem == $viewportTopL[0] || elem.scrollWidth != elem.clientWidth || elem.scrollHeight != elem.clientHeight) {\n\t        var $elem = (0, _jquery2.default)(elem);\n\t        if (!$boundAncestors) {\n\t          $boundAncestors = $elem;\n\t        } else {\n\t          $boundAncestors = $boundAncestors.add($elem);\n\t        }\n\t        $elem.bind(\"scroll.\" + uid, handleActiveCellPositionChange);\n\t      }\n\t    }\n\t  }\n\t\n\t  function unbindAncestorScrollEvents() {\n\t    if (!$boundAncestors) {\n\t      return;\n\t    }\n\t    $boundAncestors.unbind(\"scroll.\" + uid);\n\t    $boundAncestors = null;\n\t  }\n\t\n\t  function updateColumnHeader(columnId, title, toolTip) {\n\t    if (!initialized) {\n\t      return;\n\t    }\n\t    var idx = getColumnIndex(columnId);\n\t    if (idx == null) {\n\t      return;\n\t    }\n\t\n\t    var columnDef = columns[idx];\n\t    var $header = $headers.children().eq(idx);\n\t    if ($header) {\n\t      if (title !== undefined) {\n\t        columns[idx].name = title;\n\t      }\n\t      if (toolTip !== undefined) {\n\t        columns[idx].toolTip = toolTip;\n\t      }\n\t\n\t      trigger(self.onBeforeHeaderCellDestroy, {\n\t        \"node\": $header[0],\n\t        \"column\": columnDef\n\t      });\n\t\n\t      $header.attr(\"title\", toolTip || \"\").children().eq(0).html(title);\n\t\n\t      trigger(self.onHeaderCellRendered, {\n\t        \"node\": $header[0],\n\t        \"column\": columnDef\n\t      });\n\t    }\n\t  }\n\t\n\t  function getHeaderRow() {\n\t    return hasFrozenColumns() ? $headerRow : $headerRow[0];\n\t  }\n\t\n\t  function getHeaderRowColumn(columnId) {\n\t    var idx = getColumnIndex(columnId);\n\t\n\t    var $headerRowTarget;\n\t\n\t    if (hasFrozenColumns()) {\n\t      if (idx <= options.frozenColumn) {\n\t        $headerRowTarget = $headerRowL;\n\t      } else {\n\t        $headerRowTarget = $headerRowR;\n\t\n\t        idx -= options.frozenColumn + 1;\n\t      }\n\t    } else {\n\t      $headerRowTarget = $headerRowL;\n\t    }\n\t\n\t    var $header = $headerRowTarget.children().eq(idx);\n\t    return $header && $header[0];\n\t  }\n\t\n\t  function getFooterRow() {\n\t    return hasFrozenColumns() ? $footerRow : $footerRow[0];\n\t  }\n\t\n\t  function getFooterRowColumn(columnId) {\n\t    var idx = getColumnIndex(columnId);\n\t\n\t    var $footerRowTarget;\n\t\n\t    if (hasFrozenColumns()) {\n\t      if (idx <= options.frozenColumn) {\n\t        $footerRowTarget = $footerRowL;\n\t      } else {\n\t        $footerRowTarget = $footerRowR;\n\t\n\t        idx -= options.frozenColumn + 1;\n\t      }\n\t    } else {\n\t      $footerRowTarget = $footerRowL;\n\t    }\n\t\n\t    var $footer = $footerRowTarget.children().eq(idx);\n\t    return $footer && $footer[0];\n\t  }\n\t\n\t  function createColumnFooter() {\n\t    $footerRow.find(\".slick-footerrow-column\").each(function () {\n\t      var columnDef = (0, _jquery2.default)(this).data(\"column\");\n\t      if (columnDef) {\n\t        trigger(self.onBeforeFooterRowCellDestroy, {\n\t          \"node\": this,\n\t          \"column\": columnDef\n\t        });\n\t      }\n\t    });\n\t\n\t    $footerRowL.empty();\n\t    $footerRowR.empty();\n\t\n\t    for (var i = 0; i < columns.length; i++) {\n\t      var m = columns[i];\n\t\n\t      var footerRowCell = (0, _jquery2.default)(\"<div class='ui-state-default slick-footerrow-column l\" + i + \" r\" + i + \"'></div>\").data(\"column\", m).addClass(hasFrozenColumns() && i <= options.frozenColumn ? 'frozen' : '').appendTo(hasFrozenColumns() && i > options.frozenColumn ? $footerRowR : $footerRowL);\n\t\n\t      trigger(self.onFooterRowCellRendered, {\n\t        \"node\": footerRowCell[0],\n\t        \"column\": m\n\t      });\n\t    }\n\t  }\n\t\n\t  function createColumnGroupHeaders() {\n\t    var columnsLength = 0;\n\t    var frozenColumnsValid = false;\n\t\n\t    if (!treeColumns.hasDepth()) return;\n\t\n\t    for (var index = 0; index < $groupHeadersL.length; index++) {\n\t\n\t      $groupHeadersL[index].empty();\n\t      $groupHeadersR[index].empty();\n\t\n\t      var groupColumns = treeColumns.getColumnsInDepth(index);\n\t\n\t      for (var indexGroup in groupColumns) {\n\t        var m = groupColumns[indexGroup];\n\t\n\t        columnsLength += m.extractColumns().length;\n\t\n\t        if (hasFrozenColumns() && index == 0 && columnsLength - 1 === options.frozenColumn) frozenColumnsValid = true;\n\t\n\t        (0, _jquery2.default)(\"<div class='ui-state-default slick-group-header-column' />\").html(\"<span class='slick-column-name'>\" + m.name + \"</span>\").attr(\"id\", \"\" + uid + m.id).attr(\"title\", m.toolTip || \"\").data(\"column\", m).addClass(m.headerCssClass || \"\").addClass(hasFrozenColumns() && columnsLength - 1 <= options.frozenColumn ? 'frozen' : '').appendTo(hasFrozenColumns() && columnsLength - 1 > options.frozenColumn ? $groupHeadersR[index] : $groupHeadersL[index]);\n\t      }\n\t\n\t      if (hasFrozenColumns() && index == 0 && !frozenColumnsValid) {\n\t        $groupHeadersL[index].empty();\n\t        $groupHeadersR[index].empty();\n\t        alert(\"All columns of group should to be grouped!\");\n\t        break;\n\t      }\n\t    }\n\t\n\t    applyColumnGroupHeaderWidths();\n\t  }\n\t\n\t  function createColumnHeaders() {\n\t    function onMouseEnter() {\n\t      (0, _jquery2.default)(this).addClass(\"ui-state-hover\");\n\t    }\n\t\n\t    function onMouseLeave() {\n\t      (0, _jquery2.default)(this).removeClass(\"ui-state-hover\");\n\t    }\n\t\n\t    $headers.find(\".slick-header-column\").each(function () {\n\t      var columnDef = (0, _jquery2.default)(this).data(\"column\");\n\t      if (columnDef) {\n\t        trigger(self.onBeforeHeaderCellDestroy, {\n\t          \"node\": this,\n\t          \"column\": columnDef\n\t        });\n\t      }\n\t    });\n\t\n\t    $headerL.empty();\n\t    $headerR.empty();\n\t\n\t    getHeadersWidth();\n\t\n\t    $headerL.width(headersWidthL);\n\t    $headerR.width(headersWidthR);\n\t\n\t    $headerRow.find(\".slick-headerrow-column\").each(function () {\n\t      var columnDef = (0, _jquery2.default)(this).data(\"column\");\n\t      if (columnDef) {\n\t        trigger(self.onBeforeHeaderRowCellDestroy, {\n\t          \"node\": this,\n\t          \"column\": columnDef\n\t        });\n\t      }\n\t    });\n\t\n\t    $headerRowL.empty();\n\t    $headerRowR.empty();\n\t\n\t    for (var i = 0; i < columns.length; i++) {\n\t      var m = columns[i];\n\t\n\t      var $headerTarget = hasFrozenColumns() ? i <= options.frozenColumn ? $headerL : $headerR : $headerL;\n\t      var $headerRowTarget = hasFrozenColumns() ? i <= options.frozenColumn ? $headerRowL : $headerRowR : $headerRowL;\n\t\n\t      var header = (0, _jquery2.default)(\"<div class='ui-state-default slick-header-column' />\").html(\"<span class='slick-column-name'>\" + m.name + \"</span>\").width(m.width - headerColumnWidthDiff).attr(\"id\", \"\" + uid + m.id).attr(\"title\", m.toolTip || \"\").data(\"column\", m).addClass(m.headerCssClass || \"\").addClass(hasFrozenColumns() && i <= options.frozenColumn ? 'frozen' : '').appendTo($headerTarget);\n\t\n\t      if (options.enableColumnReorder || m.sortable) {\n\t        header.on('mouseenter', onMouseEnter).on('mouseleave', onMouseLeave);\n\t      }\n\t\n\t      if (m.sortable) {\n\t        header.addClass(\"slick-header-sortable\");\n\t        header.append(\"<span class='slick-sort-indicator' />\");\n\t      }\n\t\n\t      trigger(self.onHeaderCellRendered, {\n\t        \"node\": header[0],\n\t        \"column\": m\n\t      });\n\t\n\t      if (options.showHeaderRow) {\n\t        var headerRowCell = (0, _jquery2.default)(\"<div class='ui-state-default slick-headerrow-column l\" + i + \" r\" + i + \"'></div>\").data(\"column\", m).appendTo($headerRowTarget);\n\t\n\t        trigger(self.onHeaderRowCellRendered, {\n\t          \"node\": headerRowCell[0],\n\t          \"column\": m\n\t        });\n\t      }\n\t    }\n\t\n\t    setSortColumns(sortColumns);\n\t    setupColumnResize();\n\t    if (options.enableColumnReorder) {\n\t      setupColumnReorder();\n\t    }\n\t  }\n\t\n\t  function setupColumnSort() {\n\t    $headers.click(function (e) {\n\t      // temporary workaround for a bug in jQuery 1.7.1 (http://bugs.jquery.com/ticket/11328)\n\t      e.metaKey = e.metaKey || e.ctrlKey;\n\t\n\t      if ((0, _jquery2.default)(e.target).hasClass(\"slick-resizable-handle\")) {\n\t        return;\n\t      }\n\t\n\t      var $col = (0, _jquery2.default)(e.target).closest(\".slick-header-column\");\n\t      if (!$col.length) {\n\t        return;\n\t      }\n\t\n\t      var column = $col.data(\"column\");\n\t      if (column.sortable) {\n\t        if (!getEditorLock().commitCurrentEdit()) {\n\t          return;\n\t        }\n\t\n\t        var sortOpts = null;\n\t        var i = 0;\n\t        for (; i < sortColumns.length; i++) {\n\t          if (sortColumns[i].columnId == column.id) {\n\t            sortOpts = sortColumns[i];\n\t            sortOpts.sortAsc = !sortOpts.sortAsc;\n\t            break;\n\t          }\n\t        }\n\t\n\t        if (e.metaKey && options.multiColumnSort) {\n\t          if (sortOpts) {\n\t            sortColumns.splice(i, 1);\n\t          }\n\t        } else {\n\t          if (!e.shiftKey && !e.metaKey || !options.multiColumnSort) {\n\t            sortColumns = [];\n\t          }\n\t\n\t          if (!sortOpts) {\n\t            sortOpts = {\n\t              columnId: column.id,\n\t              sortAsc: column.defaultSortAsc\n\t            };\n\t            sortColumns.push(sortOpts);\n\t          } else if (sortColumns.length == 0) {\n\t            sortColumns.push(sortOpts);\n\t          }\n\t        }\n\t\n\t        setSortColumns(sortColumns);\n\t\n\t        if (!options.multiColumnSort) {\n\t          trigger(self.onSort, {\n\t            multiColumnSort: false,\n\t            sortCol: column,\n\t            sortAsc: sortOpts.sortAsc\n\t          }, e);\n\t        } else {\n\t          trigger(self.onSort, {\n\t            multiColumnSort: true,\n\t            sortCols: _jquery2.default.map(sortColumns, function (col) {\n\t              return {\n\t                sortCol: columns[getColumnIndex(col.columnId)],\n\t                sortAsc: col.sortAsc\n\t              };\n\t            })\n\t          }, e);\n\t        }\n\t      }\n\t    });\n\t  }\n\t\n\t  function currentPositionInHeader(id) {\n\t    var currentPosition = 0;\n\t    $headers.find('.slick-header-column').each(function (i) {\n\t      if (this.id == id) {\n\t        currentPosition = i;\n\t        return false;\n\t      }\n\t    });\n\t\n\t    return currentPosition;\n\t  }\n\t\n\t  function limitPositionInGroup(idColumn) {\n\t    var groupColumnOfPreviousPosition,\n\t        startLimit = 0,\n\t        endLimit = 0;\n\t\n\t    treeColumns.getColumnsInDepth($groupHeadersL.length - 1).some(function (groupColumn) {\n\t      startLimit = endLimit;\n\t      endLimit += groupColumn.columns.length;\n\t\n\t      groupColumn.columns.some(function (column) {\n\t\n\t        if (column.id === idColumn) groupColumnOfPreviousPosition = groupColumn;\n\t\n\t        return groupColumnOfPreviousPosition;\n\t      });\n\t\n\t      return groupColumnOfPreviousPosition;\n\t    });\n\t\n\t    endLimit--;\n\t\n\t    return {\n\t      start: startLimit,\n\t      end: endLimit,\n\t      group: groupColumnOfPreviousPosition\n\t    };\n\t  }\n\t\n\t  function remove(arr, elem) {\n\t    var index = arr.lastIndexOf(elem);\n\t    if (index > -1) {\n\t      arr.splice(index, 1);\n\t      remove(arr, elem);\n\t    }\n\t  }\n\t\n\t  function columnPositionValidInGroup($item) {\n\t    var currentPosition = currentPositionInHeader($item[0].id);\n\t    var limit = limitPositionInGroup($item.data('column').id);\n\t    var positionValid = limit.start <= currentPosition && currentPosition <= limit.end;\n\t\n\t    return {\n\t      limit: limit,\n\t      valid: positionValid,\n\t      message: positionValid ? '' : 'Column \"'.concat($item.text(), '\" can be reordered only within the \"', limit.group.name, '\" group!')\n\t    };\n\t  }\n\t\n\t  function setupColumnReorder() {\n\t    var x = 0;\n\t    var delta = 0;\n\t    var placeholder = document.createElement('div');\n\t\n\t    placeholder.className = 'interact-placeholder';\n\t\n\t    (0, _interact2.default)('.slick-header-column').ignoreFrom('.slick-resizable-handle').draggable({\n\t      inertia: true,\n\t      // keep the element within the area of it's parent\n\t      restrict: {\n\t        restriction: 'parent',\n\t        endOnly: true,\n\t        elementRect: { top: 0, left: 0, bottom: 0, right: 0 }\n\t      },\n\t      // enable autoScroll\n\t      autoScroll: true,\n\t      axis: 'x',\n\t      onstart: function onstart(event) {\n\t        x = 0;\n\t        delta = event.target.offsetWidth;\n\t\n\t        // get old order\n\t        $headers.find('.slick-header-column').each(function (index) {\n\t          (0, _jquery2.default)(this).data('index', index);\n\t        });\n\t\n\t        placeholder.style.height = event.target.offsetHeight + 'px';\n\t        placeholder.style.width = delta + 'px';\n\t\n\t        (0, _jquery2.default)(event.target).after(placeholder).css({\n\t          position: 'absolute',\n\t          zIndex: 1000,\n\t          marginLeft: (0, _jquery2.default)(event.target).position().left - 1000\n\t        });\n\t      },\n\t\n\t      onmove: function onmove(event) {\n\t        x += event.dx;\n\t        event.target.style.transform = 'translate3d(' + x + 'px, -3px, 100px)';\n\t        // event.target.style.marginLeft = x + 'px';\n\t      },\n\t\n\t      onend: function onend(event) {\n\t        x = 0;\n\t        delta = 0;\n\t\n\t        if (treeColumns.hasDepth()) {\n\t          var validPositionInGroup = columnPositionValidInGroup((0, _jquery2.default)(event.target));\n\t          var limit = validPositionInGroup.limit;\n\t\n\t          var cancel = !validPositionInGroup.valid;\n\t\n\t          if (cancel) alert(validPositionInGroup.message);\n\t        }\n\t\n\t        placeholder.parentNode.removeChild(placeholder);\n\t\n\t        if (cancel) {\n\t          event.target.style.transform = 'none';\n\t          setColumns(getColumns());\n\t          return;\n\t        }\n\t\n\t        (0, _jquery2.default)(event.target).css({\n\t          position: 'relative',\n\t          zIndex: '',\n\t          marginLeft: 0,\n\t          transform: 'none'\n\t        });\n\t\n\t        var newColumns = [];\n\t        $headers.find('.slick-header-column').each(function (index) {\n\t          newColumns.push(columns[(0, _jquery2.default)(this).data('index')]);\n\t          (0, _jquery2.default)(this).removeData('index');\n\t        });\n\t\n\t        setColumns(newColumns);\n\t\n\t        trigger(self.onColumnsReordered, { impactedColumns: getImpactedColumns(limit), grid: self });\n\t        setupColumnResize();\n\t      }\n\t    }).dropzone({\n\t      accept: '.slick-header-column',\n\t\n\t      ondragenter: function ondragenter(event) {\n\t        event.target.classList.add('interact-drop-active');\n\t        event.relatedTarget.classList.add('interact-can-drop');\n\t      },\n\t\n\t      ondragleave: function ondragleave(event) {\n\t        event.target.classList.remove('interact-drop-active');\n\t        event.relatedTarget.classList.remove('interact-can-drop');\n\t      },\n\t\n\t      ondrop: function ondrop(event) {\n\t        event.target.classList.remove('interact-drop-active');\n\t        event.relatedTarget.classList.remove('interact-can-drop');\n\t        (0, _jquery2.default)(event.target)[x > 0 ? 'after' : 'before'](event.relatedTarget);\n\t      }\n\t    }).styleCursor(false);\n\t  }\n\t\n\t  function getImpactedColumns(limit) {\n\t    var impactedColumns = [];\n\t\n\t    if (limit != undefined) {\n\t\n\t      for (var i = limit.start; i <= limit.end; i++) {\n\t        impactedColumns.push(columns[i]);\n\t      }\n\t    } else {\n\t\n\t      impactedColumns = columns;\n\t    }\n\t\n\t    return impactedColumns;\n\t  }\n\t\n\t  function setupColumnResize() {\n\t    var $col, j, c, pageX, columnElements, minPageX, maxPageX, firstResizable, lastResizable;\n\t    columnElements = $headers.children();\n\t    columnElements.find('.slick-resizable-handle').remove();\n\t    columnElements.each(function (i, e) {\n\t      if (columns[i].resizable) {\n\t        if (firstResizable === undefined) {\n\t          firstResizable = i;\n\t        }\n\t        lastResizable = i;\n\t      }\n\t    });\n\t    if (firstResizable === undefined) {\n\t      return;\n\t    }\n\t    columnElements.each(function (i, element) {\n\t      if (i < firstResizable || options.forceFitColumns && i >= lastResizable) {\n\t        return;\n\t      }\n\t      $col = (0, _jquery2.default)(element);\n\t\n\t      var $handle = (0, _jquery2.default)(\"<div class='slick-resizable-handle' />\");\n\t      $handle.appendTo(element);\n\t\n\t      if ($col.data('resizable')) return;\n\t\n\t      var activeColumn = columns[i];\n\t      if (activeColumn.resizable) {\n\t        $col.data('resizable', true);\n\t        (0, _interact2.default)(element).resizable({\n\t          preserveAspectRatio: false,\n\t          edges: { left: true, right: true, bottom: false, top: false }\n\t        }).on('resizestart', function (event) {\n\t          if (!getEditorLock().commitCurrentEdit()) {\n\t            return false;\n\t          }\n\t          activeColumn.previousWidth = event.rect.width;\n\t          event.target.classList.add('slick-header-column-active');\n\t        }).on('resizemove', function (event) {\n\t          var x = event.dx;\n\t          var width = activeColumn.width += x;\n\t\n\t          if (activeColumn.minWidth > 0 && activeColumn.minWidth > width) width = activeColumn.minWidth;else if (activeColumn.maxWidth > 0 && activeColumn.maxWidth < width) width = activeColumn.maxWidth;\n\t\n\t          activeColumn.width = width;\n\t\n\t          if (options.forceFitColumns) {\n\t            autosizeColumns();\n\t          }\n\t          applyColumnHeaderWidths();\n\t          if (options.syncColumnCellResize) {\n\t            applyColumnWidths();\n\t          }\n\t        }).on('resizeend', function (event) {\n\t          event.target.classList.remove('slick-header-column-active');\n\t          if (treeColumns.hasDepth()) createColumnGroupHeaders();\n\t\n\t          invalidateAllRows();\n\t          updateCanvasWidth(true);\n\t          render();\n\t          trigger(self.onColumnsResized, { grid: self });\n\t        });\n\t      }\n\t    });\n\t  }\n\t\n\t  function getVBoxDelta($el) {\n\t    var p = [\"borderTopWidth\", \"borderBottomWidth\", \"paddingTop\", \"paddingBottom\"];\n\t    var delta = 0;\n\t    _jquery2.default.each(p, function (n, val) {\n\t      delta += parseFloat($el.css(val)) || 0;\n\t    });\n\t    return delta;\n\t  }\n\t\n\t  function setFrozenOptions() {\n\t    options.frozenColumn = options.frozenColumn >= 0 && options.frozenColumn < columns.length ? parseInt(options.frozenColumn) : -1;\n\t\n\t    options.frozenRow = options.frozenRow >= 0 && options.frozenRow < numVisibleRows ? parseInt(options.frozenRow) : -1;\n\t\n\t    if (options.frozenRow > -1) {\n\t      hasFrozenRows = true;\n\t      frozenRowsHeight = options.frozenRow * options.rowHeight;\n\t\n\t      var dataLength = getDataLength() || this.data.length;\n\t\n\t      actualFrozenRow = options.frozenBottom ? dataLength - options.frozenRow : options.frozenRow;\n\t    } else {\n\t      hasFrozenRows = false;\n\t    }\n\t  }\n\t\n\t  function setPaneVisibility() {\n\t    if (hasFrozenColumns()) {\n\t      $paneHeaderR.show();\n\t      $paneTopR.show();\n\t\n\t      if (hasFrozenRows) {\n\t        $paneBottomL.show();\n\t        $paneBottomR.show();\n\t      } else {\n\t        $paneBottomR.hide();\n\t        $paneBottomL.hide();\n\t      }\n\t    } else {\n\t      $paneHeaderR.hide();\n\t      $paneTopR.hide();\n\t      $paneBottomR.hide();\n\t\n\t      if (hasFrozenRows) {\n\t        $paneBottomL.show();\n\t      } else {\n\t        $paneBottomR.hide();\n\t        $paneBottomL.hide();\n\t      }\n\t    }\n\t  }\n\t\n\t  function setOverflow() {\n\t    $viewportTopL.css({\n\t      'overflow-x': hasFrozenColumns() ? hasFrozenRows ? 'hidden' : 'scroll' : hasFrozenRows ? 'hidden' : 'auto',\n\t      'overflow-y': hasFrozenColumns() ? hasFrozenRows ? 'hidden' : 'hidden' : hasFrozenRows ? 'scroll' : 'auto'\n\t    });\n\t\n\t    $viewportTopR.css({\n\t      'overflow-x': hasFrozenColumns() ? hasFrozenRows ? 'hidden' : 'scroll' : hasFrozenRows ? 'hidden' : 'auto',\n\t      'overflow-y': hasFrozenColumns() ? hasFrozenRows ? 'scroll' : 'auto' : hasFrozenRows ? 'scroll' : 'auto'\n\t    });\n\t\n\t    $viewportBottomL.css({\n\t      'overflow-x': hasFrozenColumns() ? hasFrozenRows ? 'scroll' : 'auto' : hasFrozenRows ? 'auto' : 'auto',\n\t      'overflow-y': hasFrozenColumns() ? hasFrozenRows ? 'hidden' : 'hidden' : hasFrozenRows ? 'scroll' : 'auto'\n\t    });\n\t\n\t    $viewportBottomR.css({\n\t      'overflow-x': hasFrozenColumns() ? hasFrozenRows ? 'scroll' : 'auto' : hasFrozenRows ? 'auto' : 'auto',\n\t      'overflow-y': hasFrozenColumns() ? hasFrozenRows ? 'auto' : 'auto' : hasFrozenRows ? 'auto' : 'auto'\n\t    });\n\t  }\n\t\n\t  function setScroller() {\n\t    if (hasFrozenColumns()) {\n\t      $headerScrollContainer = $headerScrollerR;\n\t      $headerRowScrollContainer = $headerRowScrollerR;\n\t      $footerRowScrollContainer = $footerRowScrollerR;\n\t\n\t      if (hasFrozenRows) {\n\t        if (options.frozenBottom) {\n\t          $viewportScrollContainerX = $viewportBottomR;\n\t          $viewportScrollContainerY = $viewportTopR;\n\t        } else {\n\t          $viewportScrollContainerX = $viewportScrollContainerY = $viewportBottomR;\n\t        }\n\t      } else {\n\t        $viewportScrollContainerX = $viewportScrollContainerY = $viewportTopR;\n\t      }\n\t    } else {\n\t      $headerScrollContainer = $headerScrollerL;\n\t      $headerRowScrollContainer = $headerRowScrollerL;\n\t      $footerRowScrollContainer = $footerRowScrollerL;\n\t\n\t      if (hasFrozenRows) {\n\t        if (options.frozenBottom) {\n\t          $viewportScrollContainerX = $viewportBottomL;\n\t          $viewportScrollContainerY = $viewportTopL;\n\t        } else {\n\t          $viewportScrollContainerX = $viewportScrollContainerY = $viewportBottomL;\n\t        }\n\t      } else {\n\t        $viewportScrollContainerX = $viewportScrollContainerY = $viewportTopL;\n\t      }\n\t    }\n\t  }\n\t\n\t  function measureCellPaddingAndBorder() {\n\t    var el;\n\t    var h = [\"borderLeftWidth\", \"borderRightWidth\", \"paddingLeft\", \"paddingRight\"];\n\t    var v = [\"borderTopWidth\", \"borderBottomWidth\", \"paddingTop\", \"paddingBottom\"];\n\t\n\t    el = (0, _jquery2.default)(\"<div class='ui-state-default slick-header-column' style='visibility:hidden'>-</div>\").appendTo($headers);\n\t    headerColumnWidthDiff = headerColumnHeightDiff = 0;\n\t    if (el.css(\"box-sizing\") != \"border-box\" && el.css(\"-moz-box-sizing\") != \"border-box\" && el.css(\"-webkit-box-sizing\") != \"border-box\") {\n\t      _jquery2.default.each(h, function (n, val) {\n\t        headerColumnWidthDiff += parseFloat(el.css(val)) || 0;\n\t      });\n\t      _jquery2.default.each(v, function (n, val) {\n\t        headerColumnHeightDiff += parseFloat(el.css(val)) || 0;\n\t      });\n\t    }\n\t    el.remove();\n\t\n\t    var r = (0, _jquery2.default)(\"<div class='slick-row' />\").appendTo($canvas);\n\t    el = (0, _jquery2.default)(\"<div class='slick-cell' id='' style='visibility:hidden'>-</div>\").appendTo(r);\n\t    cellWidthDiff = cellHeightDiff = 0;\n\t    if (el.css(\"box-sizing\") != \"border-box\" && el.css(\"-moz-box-sizing\") != \"border-box\" && el.css(\"-webkit-box-sizing\") != \"border-box\") {\n\t      _jquery2.default.each(h, function (n, val) {\n\t        cellWidthDiff += parseFloat(el.css(val)) || 0;\n\t      });\n\t      _jquery2.default.each(v, function (n, val) {\n\t        cellHeightDiff += parseFloat(el.css(val)) || 0;\n\t      });\n\t    }\n\t    r.remove();\n\t\n\t    absoluteColumnMinWidth = Math.max(headerColumnWidthDiff, cellWidthDiff);\n\t  }\n\t\n\t  function createCssRules() {\n\t    $style = (0, _jquery2.default)(\"<style type='text/css' rel='stylesheet' />\").appendTo((0, _jquery2.default)(\"head\"));\n\t    var rowHeight = options.rowHeight - cellHeightDiff;\n\t    var rules = [\".\" + uid + \" .slick-group-header-column { left: 1000px; }\", \".\" + uid + \" .slick-header-column { left: 1000px; }\", \".\" + uid + \" .slick-top-panel { height:\" + options.topPanelHeight + \"px; }\", \".\" + uid + \" .slick-headerrow-columns { height:\" + options.headerRowHeight + \"px; }\", \".\" + uid + \" .slick-cell { height:\" + rowHeight + \"px; }\", \".\" + uid + \" .slick-row { height:\" + options.rowHeight + \"px; }\", \".\" + uid + \" .slick-footerrow-columns { height:\" + options.footerRowHeight + \"px; }\"];\n\t\n\t    for (var i = 0; i < columns.length; i++) {\n\t      rules.push(\".\" + uid + \" .l\" + i + \" { }\");\n\t      rules.push(\".\" + uid + \" .r\" + i + \" { }\");\n\t    }\n\t\n\t    if ($style[0].styleSheet) {\n\t      // IE\n\t      $style[0].styleSheet.cssText = rules.join(\" \");\n\t    } else {\n\t      $style[0].appendChild(document.createTextNode(rules.join(\" \")));\n\t    }\n\t  }\n\t\n\t  function getColumnCssRules(idx) {\n\t    if (!stylesheet) {\n\t      var sheets = document.styleSheets;\n\t      for (var i = 0; i < sheets.length; i++) {\n\t        if ((sheets[i].ownerNode || sheets[i].owningElement) == $style[0]) {\n\t          stylesheet = sheets[i];\n\t          break;\n\t        }\n\t      }\n\t\n\t      if (!stylesheet) {\n\t        throw new Error(\"Cannot find stylesheet.\");\n\t      }\n\t\n\t      // find and cache column CSS rules\n\t      columnCssRulesL = [];\n\t      columnCssRulesR = [];\n\t      var cssRules = stylesheet.cssRules || stylesheet.rules;\n\t      var matches, columnIdx;\n\t      for (var i = 0; i < cssRules.length; i++) {\n\t        var selector = cssRules[i].selectorText;\n\t        if (matches = /\\.l\\d+/.exec(selector)) {\n\t          columnIdx = parseInt(matches[0].substr(2, matches[0].length - 2), 10);\n\t          columnCssRulesL[columnIdx] = cssRules[i];\n\t        } else if (matches = /\\.r\\d+/.exec(selector)) {\n\t          columnIdx = parseInt(matches[0].substr(2, matches[0].length - 2), 10);\n\t          columnCssRulesR[columnIdx] = cssRules[i];\n\t        }\n\t      }\n\t    }\n\t\n\t    return {\n\t      \"left\": columnCssRulesL[idx],\n\t      \"right\": columnCssRulesR[idx]\n\t    };\n\t  }\n\t\n\t  function removeCssRules() {\n\t    $style.remove();\n\t    stylesheet = null;\n\t  }\n\t\n\t  function destroy() {\n\t    getEditorLock().cancelCurrentEdit();\n\t\n\t    trigger(self.onBeforeDestroy, {});\n\t\n\t    var i = plugins.length;\n\t    while (i--) {\n\t      unregisterPlugin(plugins[i]);\n\t    }\n\t\n\t    unbindAncestorScrollEvents();\n\t    $container.unbind(\".slickgrid\");\n\t    removeCssRules();\n\t\n\t    $container.empty().removeClass(uid);\n\t  }\n\t\n\t  //////////////////////////////////////////////////////////////////////////////////////////////\n\t  // General\n\t\n\t  function trigger(evt, args, e) {\n\t    e = e || new _slick2.default.EventData();\n\t    args = args || {};\n\t    args.grid = self;\n\t    return evt.notify(args, e, self);\n\t  }\n\t\n\t  function getEditorLock() {\n\t    return options.editorLock;\n\t  }\n\t\n\t  function getEditController() {\n\t    return editController;\n\t  }\n\t\n\t  function getColumnIndex(id) {\n\t    return columnsById[id];\n\t  }\n\t\n\t  function autosizeColumns() {\n\t    var i,\n\t        c,\n\t        widths = [],\n\t        shrinkLeeway = 0,\n\t        total = 0,\n\t        prevTotal,\n\t        availWidth = viewportHasVScroll ? viewportW - scrollbarDimensions.width : viewportW;\n\t\n\t    for (i = 0; i < columns.length; i++) {\n\t      c = columns[i];\n\t      widths.push(c.width);\n\t      total += c.width;\n\t      if (c.resizable) {\n\t        shrinkLeeway += c.width - Math.max(c.minWidth, absoluteColumnMinWidth);\n\t      }\n\t    }\n\t\n\t    // shrink\n\t    prevTotal = total;\n\t    while (total > availWidth && shrinkLeeway) {\n\t      var shrinkProportion = (total - availWidth) / shrinkLeeway;\n\t      for (i = 0; i < columns.length && total > availWidth; i++) {\n\t        c = columns[i];\n\t        var width = widths[i];\n\t        if (!c.resizable || width <= c.minWidth || width <= absoluteColumnMinWidth) {\n\t          continue;\n\t        }\n\t        var absMinWidth = Math.max(c.minWidth, absoluteColumnMinWidth);\n\t        var shrinkSize = Math.floor(shrinkProportion * (width - absMinWidth)) || 1;\n\t        shrinkSize = Math.min(shrinkSize, width - absMinWidth);\n\t        total -= shrinkSize;\n\t        shrinkLeeway -= shrinkSize;\n\t        widths[i] -= shrinkSize;\n\t      }\n\t      if (prevTotal <= total) {\n\t        // avoid infinite loop\n\t        break;\n\t      }\n\t      prevTotal = total;\n\t    }\n\t\n\t    // grow\n\t    prevTotal = total;\n\t    while (total < availWidth) {\n\t      var growProportion = availWidth / total;\n\t      for (i = 0; i < columns.length && total < availWidth; i++) {\n\t        c = columns[i];\n\t        var currentWidth = widths[i];\n\t        var growSize;\n\t\n\t        if (!c.resizable || c.maxWidth <= currentWidth) {\n\t          growSize = 0;\n\t        } else {\n\t          growSize = Math.min(Math.floor(growProportion * currentWidth) - currentWidth, c.maxWidth - currentWidth || 1000000) || 1;\n\t        }\n\t        total += growSize;\n\t        widths[i] += growSize;\n\t      }\n\t      if (prevTotal >= total) {\n\t        // avoid infinite loop\n\t        break;\n\t      }\n\t      prevTotal = total;\n\t    }\n\t\n\t    var reRender = false;\n\t    for (i = 0; i < columns.length; i++) {\n\t      if (columns[i].rerenderOnResize && columns[i].width != widths[i]) {\n\t        reRender = true;\n\t      }\n\t      columns[i].width = widths[i];\n\t    }\n\t\n\t    applyColumnHeaderWidths();\n\t    applyColumnGroupHeaderWidths();\n\t    updateCanvasWidth(true);\n\t    if (reRender) {\n\t      invalidateAllRows();\n\t      render();\n\t    }\n\t  }\n\t\n\t  function applyColumnGroupHeaderWidths() {\n\t    if (!treeColumns.hasDepth()) return;\n\t\n\t    for (var depth = $groupHeadersL.length - 1; depth >= 0; depth--) {\n\t\n\t      var groupColumns = treeColumns.getColumnsInDepth(depth);\n\t\n\t      (0, _jquery2.default)().add($groupHeadersL[depth]).add($groupHeadersR[depth]).each(function (i) {\n\t        var $groupHeader = (0, _jquery2.default)(this),\n\t            currentColumnIndex = 0;\n\t\n\t        $groupHeader.width(i == 0 ? getHeadersWidthL() : getHeadersWidthR());\n\t\n\t        $groupHeader.children().each(function () {\n\t          var $groupHeaderColumn = (0, _jquery2.default)(this);\n\t\n\t          var m = (0, _jquery2.default)(this).data('column');\n\t\n\t          m.width = 0;\n\t\n\t          m.columns.forEach(function () {\n\t            var $headerColumn = $groupHeader.next().children(':eq(' + currentColumnIndex++ + ')');\n\t            m.width += $headerColumn.outerWidth();\n\t          });\n\t\n\t          $groupHeaderColumn.width(m.width - headerColumnWidthDiff);\n\t        });\n\t      });\n\t    }\n\t  }\n\t\n\t  function applyColumnHeaderWidths() {\n\t    if (!initialized) {\n\t      return;\n\t    }\n\t    var h;\n\t    for (var i = 0, headers = $headers.children(), ii = headers.length; i < ii; i++) {\n\t      h = (0, _jquery2.default)(headers[i]);\n\t      if (h.width() !== columns[i].width - headerColumnWidthDiff) {\n\t        h.width(columns[i].width - headerColumnWidthDiff);\n\t      }\n\t    }\n\t\n\t    updateColumnCaches();\n\t  }\n\t\n\t  function applyColumnWidths() {\n\t    var x = 0,\n\t        w,\n\t        rule;\n\t    for (var i = 0; i < columns.length; i++) {\n\t      w = columns[i].width;\n\t\n\t      rule = getColumnCssRules(i);\n\t      rule.left.style.left = x + \"px\";\n\t      rule.right.style.right = (options.frozenColumn != -1 && i > options.frozenColumn ? canvasWidthR : canvasWidthL) - x - w + \"px\";\n\t\n\t      // If this column is frozen, reset the css left value since the\n\t      // column starts in a new viewport.\n\t      if (options.frozenColumn == i) {\n\t        x = 0;\n\t      } else {\n\t        x += columns[i].width;\n\t      }\n\t    }\n\t  }\n\t\n\t  function setSortColumn(columnId, ascending) {\n\t    setSortColumns([{\n\t      columnId: columnId,\n\t      sortAsc: ascending\n\t    }]);\n\t  }\n\t\n\t  function setSortColumns(cols) {\n\t    sortColumns = cols;\n\t\n\t    var headerColumnEls = $headers.children();\n\t    headerColumnEls.removeClass(\"slick-header-column-sorted\").find(\".slick-sort-indicator\").removeClass(\"slick-sort-indicator-asc slick-sort-indicator-desc\");\n\t\n\t    _jquery2.default.each(sortColumns, function (i, col) {\n\t      if (col.sortAsc == null) {\n\t        col.sortAsc = true;\n\t      }\n\t      var columnIndex = getColumnIndex(col.columnId);\n\t      if (columnIndex != null) {\n\t        headerColumnEls.eq(columnIndex).addClass(\"slick-header-column-sorted\").find(\".slick-sort-indicator\").addClass(col.sortAsc ? \"slick-sort-indicator-asc\" : \"slick-sort-indicator-desc\");\n\t      }\n\t    });\n\t  }\n\t\n\t  function getSortColumns() {\n\t    return sortColumns;\n\t  }\n\t\n\t  function handleSelectedRangesChanged(e, ranges) {\n\t    selectedRows = [];\n\t    var hash = {};\n\t    for (var i = 0; i < ranges.length; i++) {\n\t      for (var j = ranges[i].fromRow; j <= ranges[i].toRow; j++) {\n\t        if (!hash[j]) {\n\t          // prevent duplicates\n\t          selectedRows.push(j);\n\t          hash[j] = {};\n\t        }\n\t        for (var k = ranges[i].fromCell; k <= ranges[i].toCell; k++) {\n\t          if (canCellBeSelected(j, k)) {\n\t            hash[j][columns[k].id] = options.selectedCellCssClass;\n\t          }\n\t        }\n\t      }\n\t    }\n\t\n\t    setCellCssStyles(options.selectedCellCssClass, hash);\n\t\n\t    trigger(self.onSelectedRowsChanged, {\n\t      rows: getSelectedRows()\n\t    }, e);\n\t  }\n\t\n\t  function getColumns() {\n\t    return columns;\n\t  }\n\t\n\t  function updateColumnCaches() {\n\t    // Pre-calculate cell boundaries.\n\t    columnPosLeft = [];\n\t    columnPosRight = [];\n\t    var x = 0;\n\t    for (var i = 0, ii = columns.length; i < ii; i++) {\n\t      columnPosLeft[i] = x;\n\t      columnPosRight[i] = x + columns[i].width;\n\t\n\t      if (options.frozenColumn == i) {\n\t        x = 0;\n\t      } else {\n\t        x += columns[i].width;\n\t      }\n\t    }\n\t  }\n\t\n\t  function setColumns(columnDefinitions) {\n\t    var _treeColumns = new _slick2.default.TreeColumns(columnDefinitions);\n\t    if (_treeColumns.hasDepth()) {\n\t      treeColumns = _treeColumns;\n\t      columns = treeColumns.extractColumns();\n\t    } else {\n\t      columns = columnDefinitions;\n\t    }\n\t\n\t    columnsById = {};\n\t    for (var i = 0; i < columns.length; i++) {\n\t      var m = columns[i] = _jquery2.default.extend({}, columnDefaults, columns[i]);\n\t      columnsById[m.id] = i;\n\t      if (m.minWidth && m.width < m.minWidth) {\n\t        m.width = m.minWidth;\n\t      }\n\t      if (m.maxWidth && m.width > m.maxWidth) {\n\t        m.width = m.maxWidth;\n\t      }\n\t    }\n\t\n\t    updateColumnCaches();\n\t\n\t    if (initialized) {\n\t      setPaneVisibility();\n\t      setOverflow();\n\t\n\t      invalidateAllRows();\n\t      createColumnHeaders();\n\t      createColumnGroupHeaders();\n\t      createColumnFooter();\n\t      removeCssRules();\n\t      createCssRules();\n\t      resizeCanvas();\n\t      updateCanvasWidth();\n\t      applyColumnWidths();\n\t      handleScroll();\n\t    }\n\t  }\n\t\n\t  function getOptions() {\n\t    return options;\n\t  }\n\t\n\t  function setOptions(args) {\n\t    if (!getEditorLock().commitCurrentEdit()) {\n\t      return;\n\t    }\n\t\n\t    makeActiveCellNormal();\n\t\n\t    if (options.enableAddRow !== args.enableAddRow) {\n\t      invalidateRow(getDataLength());\n\t    }\n\t\n\t    options = _jquery2.default.extend(options, args);\n\t    validateAndEnforceOptions();\n\t\n\t    setFrozenOptions();\n\t    setScroller();\n\t    zombieRowNodeFromLastMouseWheelEvent = null;\n\t\n\t    setColumns(treeColumns.extractColumns());\n\t    render();\n\t  }\n\t\n\t  function validateAndEnforceOptions() {\n\t    if (options.autoHeight) {\n\t      options.leaveSpaceForNewRows = false;\n\t    }\n\t  }\n\t\n\t  function setData(newData, scrollToTop) {\n\t    data = newData;\n\t    invalidateAllRows();\n\t    updateRowCount();\n\t    if (scrollToTop) {\n\t      scrollTo(0);\n\t    }\n\t  }\n\t\n\t  function getData() {\n\t    return data;\n\t  }\n\t\n\t  function getDataLength() {\n\t    if (data.getLength) {\n\t      return data.getLength();\n\t    } else {\n\t      return data.length;\n\t    }\n\t  }\n\t\n\t  function getDataLengthIncludingAddNew() {\n\t    return getDataLength() + (options.enableAddRow ? 1 : 0);\n\t  }\n\t\n\t  function getDataItem(i) {\n\t    if (data.getItem) {\n\t      return data.getItem(i);\n\t    } else {\n\t      return data[i];\n\t    }\n\t  }\n\t\n\t  function getTopPanel() {\n\t    return $topPanel[0];\n\t  }\n\t\n\t  function setTopPanelVisibility(visible) {\n\t    if (options.showTopPanel != visible) {\n\t      options.showTopPanel = visible;\n\t      if (visible) {\n\t        $topPanelScroller.slideDown(\"fast\", resizeCanvas);\n\t      } else {\n\t        $topPanelScroller.slideUp(\"fast\", resizeCanvas);\n\t      }\n\t    }\n\t  }\n\t\n\t  function setHeaderRowVisibility(visible) {\n\t    if (options.showHeaderRow != visible) {\n\t      options.showHeaderRow = visible;\n\t      if (visible) {\n\t        $headerRowScroller.slideDown(\"fast\", resizeCanvas);\n\t      } else {\n\t        $headerRowScroller.slideUp(\"fast\", resizeCanvas);\n\t      }\n\t    }\n\t  }\n\t\n\t  function setFooterRowVisibility(visible) {\n\t    if (options.showFooterRow != visible) {\n\t      options.showFooterRow = visible;\n\t      if (visible) {\n\t        $footerRowScroller.fadeIn(\"fast\", resizeCanvas);\n\t      } else {\n\t        $footerRowScroller.slideDown(\"fast\", resizeCanvas);\n\t      }\n\t    }\n\t  }\n\t\n\t  function getContainerNode() {\n\t    return $container.get(0);\n\t  }\n\t\n\t  //////////////////////////////////////////////////////////////////////////////////////////////\n\t  // Rendering / Scrolling\n\t\n\t  function getRowTop(row) {\n\t    return options.rowHeight * row - offset;\n\t  }\n\t\n\t  function getRowFromPosition(y) {\n\t    return Math.floor((y + offset) / options.rowHeight);\n\t  }\n\t\n\t  function scrollTo(y) {\n\t    y = Math.max(y, 0);\n\t    y = Math.min(y, th - $viewportScrollContainerY.height() + (viewportHasHScroll || hasFrozenColumns() ? scrollbarDimensions.height : 0));\n\t\n\t    var oldOffset = offset;\n\t\n\t    page = Math.min(n - 1, Math.floor(y / ph));\n\t    offset = Math.round(page * cj);\n\t    var newScrollTop = y - offset;\n\t\n\t    if (offset != oldOffset) {\n\t      var range = getVisibleRange(newScrollTop);\n\t      cleanupRows(range);\n\t      updateRowPositions();\n\t    }\n\t\n\t    if (prevScrollTop != newScrollTop) {\n\t      vScrollDir = prevScrollTop + oldOffset < newScrollTop + offset ? 1 : -1;\n\t\n\t      lastRenderedScrollTop = scrollTop = prevScrollTop = newScrollTop;\n\t\n\t      if (hasFrozenColumns()) {\n\t        $viewportTopL[0].scrollTop = newScrollTop;\n\t      }\n\t\n\t      if (hasFrozenRows) {\n\t        $viewportBottomL[0].scrollTop = $viewportBottomR[0].scrollTop = newScrollTop;\n\t      }\n\t\n\t      $viewportScrollContainerY[0].scrollTop = newScrollTop;\n\t\n\t      trigger(self.onViewportChanged, {});\n\t    }\n\t  }\n\t\n\t  function defaultFormatter(row, cell, value, columnDef, dataContext) {\n\t    if (value == null) {\n\t      return \"\";\n\t    } else {\n\t      return (value + \"\").replace(/&/g, \"&\").replace(/</g, \"<\").replace(/>/g, \">\");\n\t    }\n\t  }\n\t\n\t  function getFormatter(row, column) {\n\t    var rowMetadata = data.getItemMetadata && data.getItemMetadata(row);\n\t\n\t    // look up by id, then index\n\t    var columnOverrides = rowMetadata && rowMetadata.columns && (rowMetadata.columns[column.id] || rowMetadata.columns[getColumnIndex(column.id)]);\n\t\n\t    return columnOverrides && columnOverrides.formatter || rowMetadata && rowMetadata.formatter || column.formatter || options.formatterFactory && options.formatterFactory.getFormatter(column) || options.defaultFormatter;\n\t  }\n\t\n\t  function callFormatter(row, cell, value, m, item) {\n\t\n\t    var result;\n\t\n\t    // pass metadata to formatter\n\t    var metadata = data.getItemMetadata && data.getItemMetadata(row);\n\t    metadata = metadata && metadata.columns;\n\t\n\t    if (metadata) {\n\t      var columnData = metadata[m.id] || metadata[cell];\n\t      result = getFormatter(row, m)(row, cell, value, m, item, columnData);\n\t    } else {\n\t      result = getFormatter(row, m)(row, cell, value, m, item);\n\t    }\n\t\n\t    return result;\n\t  }\n\t\n\t  function getEditor(row, cell) {\n\t    var column = columns[cell];\n\t    var rowMetadata = data.getItemMetadata && data.getItemMetadata(row);\n\t    var columnMetadata = rowMetadata && rowMetadata.columns;\n\t\n\t    if (columnMetadata && columnMetadata[column.id] && columnMetadata[column.id].editor !== undefined) {\n\t      return columnMetadata[column.id].editor;\n\t    }\n\t    if (columnMetadata && columnMetadata[cell] && columnMetadata[cell].editor !== undefined) {\n\t      return columnMetadata[cell].editor;\n\t    }\n\t\n\t    return column.editor || options.editorFactory && options.editorFactory.getEditor(column);\n\t  }\n\t\n\t  function getDataItemValueForColumn(item, columnDef) {\n\t    if (options.dataItemColumnValueExtractor) {\n\t      return options.dataItemColumnValueExtractor(item, columnDef);\n\t    }\n\t    return item[columnDef.field];\n\t  }\n\t\n\t  function appendRowHtml(stringArrayL, stringArrayR, row, range, dataLength) {\n\t    var d = getDataItem(row);\n\t    var dataLoading = row < dataLength && !d;\n\t    var rowCss = \"slick-row\" + (hasFrozenRows && row < options.frozenRow ? ' frozen' : '') + (dataLoading ? \" loading\" : \"\") + (row === activeRow ? \" active\" : \"\") + (row % 2 == 1 ? \" odd\" : \" even\");\n\t\n\t    if (!d) {\n\t      rowCss += \" \" + options.addNewRowCssClass;\n\t    }\n\t\n\t    var metadata = data.getItemMetadata && data.getItemMetadata(row);\n\t\n\t    if (metadata && metadata.cssClasses) {\n\t      rowCss += \" \" + metadata.cssClasses;\n\t    }\n\t\n\t    var frozenRowOffset = getFrozenRowOffset(row);\n\t\n\t    var rowHtml = \"<div class='ui-widget-content \" + rowCss + \"' style='top:\" + (getRowTop(row) - frozenRowOffset) + \"px'>\";\n\t\n\t    stringArrayL.push(rowHtml);\n\t\n\t    if (hasFrozenColumns()) {\n\t      stringArrayR.push(rowHtml);\n\t    }\n\t\n\t    var colspan, m;\n\t    for (var i = 0, ii = columns.length; i < ii; i++) {\n\t      m = columns[i];\n\t      colspan = 1;\n\t      if (metadata && metadata.columns) {\n\t        var columnData = metadata.columns[m.id] || metadata.columns[i];\n\t        colspan = columnData && columnData.colspan || 1;\n\t        if (colspan === \"*\") {\n\t          colspan = ii - i;\n\t        }\n\t      }\n\t\n\t      // Do not render cells outside of the viewport.\n\t      if (columnPosRight[Math.min(ii - 1, i + colspan - 1)] > range.leftPx) {\n\t        if (columnPosLeft[i] > range.rightPx) {\n\t          // All columns to the right are outside the range.\n\t          break;\n\t        }\n\t\n\t        if (hasFrozenColumns() && i > options.frozenColumn) {\n\t          appendCellHtml(stringArrayR, row, i, colspan, d);\n\t        } else {\n\t          appendCellHtml(stringArrayL, row, i, colspan, d);\n\t        }\n\t      } else if (hasFrozenColumns() && i <= options.frozenColumn) {\n\t        appendCellHtml(stringArrayL, row, i, colspan, d);\n\t      }\n\t\n\t      if (colspan > 1) {\n\t        i += colspan - 1;\n\t      }\n\t    }\n\t\n\t    stringArrayL.push(\"</div>\");\n\t\n\t    if (hasFrozenColumns()) {\n\t      stringArrayR.push(\"</div>\");\n\t    }\n\t  }\n\t\n\t  function appendCellHtml(stringArray, row, cell, colspan, item) {\n\t    var m = columns[cell];\n\t    var cellCss = \"slick-cell l\" + cell + \" r\" + Math.min(columns.length - 1, cell + colspan - 1) + (m.cssClass ? \" \" + m.cssClass : \"\");\n\t\n\t    if (hasFrozenColumns() && cell <= options.frozenColumn) cellCss += ' frozen';\n\t\n\t    if (row === activeRow && cell === activeCell) cellCss += \" active\";\n\t\n\t    // TODO:  merge them together in the setter\n\t    for (var key in cellCssClasses) {\n\t      if (cellCssClasses[key][row] && cellCssClasses[key][row][m.id]) {\n\t        cellCss += \" \" + cellCssClasses[key][row][m.id];\n\t      }\n\t    }\n\t\n\t    stringArray.push(\"<div class='\" + cellCss + \"'>\");\n\t\n\t    // if there is a corresponding row (if not, this is the Add New row or this data hasn't been loaded yet)\n\t    if (item) {\n\t      var value = getDataItemValueForColumn(item, m);\n\t      stringArray.push(callFormatter(row, cell, value, m, item));\n\t    }\n\t\n\t    stringArray.push(\"</div>\");\n\t\n\t    rowsCache[row].cellRenderQueue.push(cell);\n\t    rowsCache[row].cellColSpans[cell] = colspan;\n\t  }\n\t\n\t  function cleanupRows(rangeToKeep) {\n\t    for (var i in rowsCache) {\n\t      var removeFrozenRow = true;\n\t\n\t      if (hasFrozenRows && (options.frozenBottom && i >= actualFrozenRow || // Frozen bottom rows\n\t      !options.frozenBottom && i <= actualFrozenRow // Frozen top rows\n\t      )) {\n\t        removeFrozenRow = false;\n\t      }\n\t\n\t      if ((i = parseInt(i, 10)) !== activeRow && (i < rangeToKeep.top || i > rangeToKeep.bottom) && removeFrozenRow) {\n\t        removeRowFromCache(i);\n\t      }\n\t    }\n\t  }\n\t\n\t  function invalidate() {\n\t    updateRowCount();\n\t    invalidateAllRows();\n\t    render();\n\t  }\n\t\n\t  function invalidateAllRows() {\n\t    if (currentEditor) {\n\t      makeActiveCellNormal();\n\t    }\n\t    for (var row in rowsCache) {\n\t      removeRowFromCache(row);\n\t    }\n\t  }\n\t\n\t  function removeRowFromCache(row) {\n\t    var cacheEntry = rowsCache[row];\n\t    if (!cacheEntry) {\n\t      return;\n\t    }\n\t\n\t    if (rowNodeFromLastMouseWheelEvent == cacheEntry.rowNode[0] || hasFrozenColumns() && rowNodeFromLastMouseWheelEvent == cacheEntry.rowNode[1]) {\n\t\n\t      cacheEntry.rowNode.hide();\n\t\n\t      zombieRowNodeFromLastMouseWheelEvent = cacheEntry.rowNode;\n\t    } else {\n\t\n\t      cacheEntry.rowNode.each(function () {\n\t        this.parentElement.removeChild(this);\n\t      });\n\t    }\n\t\n\t    delete rowsCache[row];\n\t    delete postProcessedRows[row];\n\t    renderedRows--;\n\t    counter_rows_removed++;\n\t  }\n\t\n\t  function invalidateRows(rows) {\n\t    var i, rl;\n\t    if (!rows || !rows.length) {\n\t      return;\n\t    }\n\t    vScrollDir = 0;\n\t    for (i = 0, rl = rows.length; i < rl; i++) {\n\t      if (currentEditor && activeRow === rows[i]) {\n\t        makeActiveCellNormal();\n\t      }\n\t      if (rowsCache[rows[i]]) {\n\t        removeRowFromCache(rows[i]);\n\t      }\n\t    }\n\t  }\n\t\n\t  function invalidateRow(row) {\n\t    invalidateRows([row]);\n\t  }\n\t\n\t  function updateCell(row, cell) {\n\t    var cellNode = getCellNode(row, cell);\n\t    if (!cellNode) {\n\t      return;\n\t    }\n\t\n\t    var m = columns[cell],\n\t        d = getDataItem(row);\n\t    if (currentEditor && activeRow === row && activeCell === cell) {\n\t      currentEditor.loadValue(d);\n\t    } else {\n\t      cellNode.innerHTML = d ? callFormatter(row, cell, getDataItemValueForColumn(d, m), m, d) : \"\";\n\t      invalidatePostProcessingResults(row);\n\t    }\n\t  }\n\t\n\t  function updateRow(row) {\n\t    var cacheEntry = rowsCache[row];\n\t    if (!cacheEntry) {\n\t      return;\n\t    }\n\t\n\t    ensureCellNodesInRowsCache(row);\n\t\n\t    var d = getDataItem(row);\n\t\n\t    for (var columnIdx in cacheEntry.cellNodesByColumnIdx) {\n\t      if (!cacheEntry.cellNodesByColumnIdx.hasOwnProperty(columnIdx)) {\n\t        continue;\n\t      }\n\t\n\t      columnIdx = columnIdx | 0;\n\t      var m = columns[columnIdx],\n\t          node = cacheEntry.cellNodesByColumnIdx[columnIdx][0];\n\t\n\t      if (row === activeRow && columnIdx === activeCell && currentEditor) {\n\t        currentEditor.loadValue(d);\n\t      } else if (d) {\n\t        node.innerHTML = callFormatter(row, columnIdx, getDataItemValueForColumn(d, m), m, d);\n\t      } else {\n\t        node.innerHTML = \"\";\n\t      }\n\t    }\n\t\n\t    invalidatePostProcessingResults(row);\n\t  }\n\t\n\t  function getViewportHeight() {\n\t    if (options.autoHeight) {\n\t      viewportH = options.rowHeight * getDataLengthIncludingAddNew() + (options.frozenColumn == -1 ? $headers.outerHeight() : 0);\n\t    } else {\n\t      topPanelH = options.showTopPanel ? options.topPanelHeight + getVBoxDelta($topPanelScroller) : 0;\n\t\n\t      headerRowH = options.showHeaderRow ? options.headerRowHeight + getVBoxDelta($headerRowScroller) : 0;\n\t\n\t      footerRowH = options.showFooterRow ? options.footerRowHeight + getVBoxDelta($footerRowScroller) : 0;\n\t\n\t      viewportH = parseFloat(_jquery2.default.css($container[0], \"height\", true)) - parseFloat(_jquery2.default.css($container[0], \"paddingTop\", true)) - parseFloat(_jquery2.default.css($container[0], \"paddingBottom\", true)) - parseFloat(_jquery2.default.css($headerScroller[0], \"height\")) - getVBoxDelta($headerScroller) - topPanelH - headerRowH - footerRowH;\n\t    }\n\t\n\t    numVisibleRows = Math.ceil(viewportH / options.rowHeight);\n\t  }\n\t\n\t  function getViewportWidth() {\n\t    viewportW = parseFloat(_jquery2.default.css($container[0], \"width\", true));\n\t  }\n\t\n\t  function resizeCanvas() {\n\t    if (!initialized) {\n\t      return;\n\t    }\n\t\n\t    paneTopH = 0;\n\t    paneBottomH = 0;\n\t    viewportTopH = 0;\n\t    viewportBottomH = 0;\n\t\n\t    getViewportWidth();\n\t    getViewportHeight();\n\t\n\t    // Account for Frozen Rows\n\t    if (hasFrozenRows) {\n\t      if (options.frozenBottom) {\n\t        paneTopH = viewportH - frozenRowsHeight - scrollbarDimensions.height;\n\t\n\t        paneBottomH = frozenRowsHeight + scrollbarDimensions.height;\n\t      } else {\n\t        paneTopH = frozenRowsHeight;\n\t        paneBottomH = viewportH - frozenRowsHeight;\n\t      }\n\t    } else {\n\t      paneTopH = viewportH;\n\t    }\n\t\n\t    // The top pane includes the top panel and the header row\n\t    paneTopH += topPanelH + headerRowH + footerRowH;\n\t\n\t    if (hasFrozenColumns() && options.autoHeight) {\n\t      paneTopH += scrollbarDimensions.height;\n\t    }\n\t\n\t    // The top viewport does not contain the top panel or header row\n\t    viewportTopH = paneTopH - topPanelH - headerRowH - footerRowH;\n\t\n\t    if (options.autoHeight) {\n\t      if (hasFrozenColumns()) {\n\t        $container.height(paneTopH + parseFloat(_jquery2.default.css($headerScrollerL[0], \"height\")));\n\t      }\n\t\n\t      $paneTopL.css('position', 'relative');\n\t    }\n\t\n\t    $paneTopL.css({\n\t      'top': $paneHeaderL.height(),\n\t      'height': paneTopH\n\t    });\n\t\n\t    var paneBottomTop = $paneTopL.position().top + paneTopH;\n\t\n\t    $viewportTopL.height(viewportTopH);\n\t\n\t    if (hasFrozenColumns()) {\n\t      $paneTopR.css({\n\t        'top': $paneHeaderL.height(),\n\t        'height': paneTopH\n\t      });\n\t\n\t      $viewportTopR.height(viewportTopH);\n\t\n\t      if (hasFrozenRows) {\n\t        $paneBottomL.css({\n\t          'top': paneBottomTop,\n\t          'height': paneBottomH\n\t        });\n\t\n\t        $paneBottomR.css({\n\t          'top': paneBottomTop,\n\t          'height': paneBottomH\n\t        });\n\t\n\t        $viewportBottomR.height(paneBottomH);\n\t      }\n\t    } else {\n\t      if (hasFrozenRows) {\n\t        $paneBottomL.css({\n\t          'width': '100%',\n\t          'height': paneBottomH\n\t        });\n\t\n\t        $paneBottomL.css('top', paneBottomTop);\n\t      }\n\t    }\n\t\n\t    if (hasFrozenRows) {\n\t      $viewportBottomL.height(paneBottomH);\n\t\n\t      if (options.frozenBottom) {\n\t        $canvasBottomL.height(frozenRowsHeight);\n\t\n\t        if (hasFrozenColumns()) {\n\t          $canvasBottomR.height(frozenRowsHeight);\n\t        }\n\t      } else {\n\t        $canvasTopL.height(frozenRowsHeight);\n\t\n\t        if (hasFrozenColumns()) {\n\t          $canvasTopR.height(frozenRowsHeight);\n\t        }\n\t      }\n\t    } else {\n\t      $viewportTopR.height(viewportTopH);\n\t    }\n\t\n\t    if (options.forceFitColumns) {\n\t      autosizeColumns();\n\t    }\n\t\n\t    updateRowCount();\n\t    handleScroll();\n\t    // Since the width has changed, force the render() to reevaluate virtually rendered cells.\n\t    lastRenderedScrollLeft = -1;\n\t    render();\n\t  }\n\t\n\t  function updateRowCount() {\n\t    if (!initialized) {\n\t      return;\n\t    }\n\t\n\t    var dataLengthIncludingAddNew = getDataLengthIncludingAddNew();\n\t    var numberOfRows = 0;\n\t    var oldH = hasFrozenRows && !options.frozenBottom ? $canvasBottomL.height() : $canvasTopL.height();\n\t\n\t    if (hasFrozenRows) {\n\t      var numberOfRows = getDataLength() - options.frozenRow;\n\t    } else {\n\t      var numberOfRows = dataLengthIncludingAddNew + (options.leaveSpaceForNewRows ? numVisibleRows - 1 : 0);\n\t    }\n\t\n\t    var tempViewportH = $viewportScrollContainerY.height();\n\t    var oldViewportHasVScroll = viewportHasVScroll;\n\t    // with autoHeight, we do not need to accommodate the vertical scroll bar\n\t    viewportHasVScroll = !options.autoHeight && numberOfRows * options.rowHeight > tempViewportH;\n\t\n\t    makeActiveCellNormal();\n\t\n\t    // remove the rows that are now outside of the data range\n\t    // this helps avoid redundant calls to .removeRow() when the size of the data decreased by thousands of rows\n\t    var l = dataLengthIncludingAddNew - 1;\n\t    for (var i in rowsCache) {\n\t      if (i >= l) {\n\t        removeRowFromCache(i);\n\t      }\n\t    }\n\t\n\t    th = Math.max(options.rowHeight * numberOfRows, tempViewportH - scrollbarDimensions.height);\n\t\n\t    if (activeCellNode && activeRow > l) {\n\t      resetActiveCell();\n\t    }\n\t\n\t    if (th < maxSupportedCssHeight) {\n\t      // just one page\n\t      h = ph = th;\n\t      n = 1;\n\t      cj = 0;\n\t    } else {\n\t      // break into pages\n\t      h = maxSupportedCssHeight;\n\t      ph = h / 100;\n\t      n = Math.floor(th / ph);\n\t      cj = (th - h) / (n - 1);\n\t    }\n\t\n\t    if (h !== oldH) {\n\t      if (hasFrozenRows && !options.frozenBottom) {\n\t        $canvasBottomL.css(\"height\", h);\n\t\n\t        if (hasFrozenColumns()) {\n\t          $canvasBottomR.css(\"height\", h);\n\t        }\n\t      } else {\n\t        $canvasTopL.css(\"height\", h);\n\t        $canvasTopR.css(\"height\", h);\n\t      }\n\t\n\t      scrollTop = $viewportScrollContainerY[0].scrollTop;\n\t    }\n\t\n\t    var oldScrollTopInRange = scrollTop + offset <= th - tempViewportH;\n\t\n\t    if (th == 0 || scrollTop == 0) {\n\t      page = offset = 0;\n\t    } else if (oldScrollTopInRange) {\n\t      // maintain virtual position\n\t      scrollTo(scrollTop + offset);\n\t    } else {\n\t      // scroll to bottom\n\t      scrollTo(th - tempViewportH);\n\t    }\n\t\n\t    if (h != oldH && options.autoHeight) {\n\t      resizeCanvas();\n\t    }\n\t\n\t    if (options.forceFitColumns && oldViewportHasVScroll != viewportHasVScroll) {\n\t      autosizeColumns();\n\t    }\n\t    updateCanvasWidth(false);\n\t  }\n\t\n\t  function getVisibleRange(viewportTop, viewportLeft) {\n\t    if (viewportTop == null) {\n\t      viewportTop = scrollTop;\n\t    }\n\t    if (viewportLeft == null) {\n\t      viewportLeft = scrollLeft;\n\t    }\n\t\n\t    return {\n\t      top: getRowFromPosition(viewportTop),\n\t      bottom: getRowFromPosition(viewportTop + viewportH) + 1,\n\t      leftPx: viewportLeft,\n\t      rightPx: viewportLeft + viewportW\n\t    };\n\t  }\n\t\n\t  function getRenderedRange(viewportTop, viewportLeft) {\n\t    var range = getVisibleRange(viewportTop, viewportLeft);\n\t    var buffer = Math.round(viewportH / options.rowHeight);\n\t    var minBuffer = 3;\n\t\n\t    if (vScrollDir == -1) {\n\t      range.top -= buffer;\n\t      range.bottom += minBuffer;\n\t    } else if (vScrollDir == 1) {\n\t      range.top -= minBuffer;\n\t      range.bottom += buffer;\n\t    } else {\n\t      range.top -= minBuffer;\n\t      range.bottom += minBuffer;\n\t    }\n\t\n\t    range.top = Math.max(0, range.top);\n\t    range.bottom = Math.min(getDataLengthIncludingAddNew() - 1, range.bottom);\n\t\n\t    range.leftPx -= viewportW;\n\t    range.rightPx += viewportW;\n\t\n\t    range.leftPx = Math.max(0, range.leftPx);\n\t    range.rightPx = Math.min(canvasWidth, range.rightPx);\n\t\n\t    return range;\n\t  }\n\t\n\t  function ensureCellNodesInRowsCache(row) {\n\t    var cacheEntry = rowsCache[row];\n\t    if (cacheEntry) {\n\t      if (cacheEntry.cellRenderQueue.length) {\n\t        var $lastNode = cacheEntry.rowNode.children().last();\n\t        while (cacheEntry.cellRenderQueue.length) {\n\t          var columnIdx = cacheEntry.cellRenderQueue.pop();\n\t\n\t          cacheEntry.cellNodesByColumnIdx[columnIdx] = $lastNode;\n\t          $lastNode = $lastNode.prev();\n\t\n\t          // Hack to retrieve the frozen columns because\n\t          if ($lastNode.length == 0) {\n\t            $lastNode = (0, _jquery2.default)(cacheEntry.rowNode[0]).children().last();\n\t          }\n\t        }\n\t      }\n\t    }\n\t  }\n\t\n\t  function cleanUpCells(range, row) {\n\t    // Ignore frozen rows\n\t    if (hasFrozenRows && (options.frozenBottom && row > actualFrozenRow || // Frozen bottom rows\n\t    row <= actualFrozenRow // Frozen top rows\n\t    )) {\n\t      return;\n\t    }\n\t\n\t    var totalCellsRemoved = 0;\n\t    var cacheEntry = rowsCache[row];\n\t\n\t    // Remove cells outside the range.\n\t    var cellsToRemove = [];\n\t    for (var i in cacheEntry.cellNodesByColumnIdx) {\n\t      // I really hate it when people mess with Array.prototype.\n\t      if (!cacheEntry.cellNodesByColumnIdx.hasOwnProperty(i)) {\n\t        continue;\n\t      }\n\t\n\t      // This is a string, so it needs to be cast back to a number.\n\t      i = i | 0;\n\t\n\t      // Ignore frozen columns\n\t      if (i <= options.frozenColumn) {\n\t        continue;\n\t      }\n\t\n\t      var colspan = cacheEntry.cellColSpans[i];\n\t      if (columnPosLeft[i] > range.rightPx || columnPosRight[Math.min(columns.length - 1, i + colspan - 1)] < range.leftPx) {\n\t        if (!(row == activeRow && i == activeCell)) {\n\t          cellsToRemove.push(i);\n\t        }\n\t      }\n\t    }\n\t\n\t    var cellToRemove;\n\t    while ((cellToRemove = cellsToRemove.pop()) != null) {\n\t      cacheEntry.cellNodesByColumnIdx[cellToRemove][0].parentElement.removeChild(cacheEntry.cellNodesByColumnIdx[cellToRemove][0]);\n\t      delete cacheEntry.cellColSpans[cellToRemove];\n\t      delete cacheEntry.cellNodesByColumnIdx[cellToRemove];\n\t      if (postProcessedRows[row]) {\n\t        delete postProcessedRows[row][cellToRemove];\n\t      }\n\t      totalCellsRemoved++;\n\t    }\n\t  }\n\t\n\t  function cleanUpAndRenderCells(range) {\n\t    var cacheEntry;\n\t    var stringArray = [];\n\t    var processedRows = [];\n\t    var cellsAdded;\n\t    var totalCellsAdded = 0;\n\t    var colspan;\n\t\n\t    for (var row = range.top, btm = range.bottom; row <= btm; row++) {\n\t      cacheEntry = rowsCache[row];\n\t      if (!cacheEntry) {\n\t        continue;\n\t      }\n\t\n\t      // cellRenderQueue populated in renderRows() needs to be cleared first\n\t      ensureCellNodesInRowsCache(row);\n\t\n\t      cleanUpCells(range, row);\n\t\n\t      // Render missing cells.\n\t      cellsAdded = 0;\n\t\n\t      var metadata = data.getItemMetadata && data.getItemMetadata(row);\n\t      metadata = metadata && metadata.columns;\n\t\n\t      var d = getDataItem(row);\n\t\n\t      // TODO:  shorten this loop (index? heuristics? binary search?)\n\t      for (var i = 0, ii = columns.length; i < ii; i++) {\n\t        // Cells to the right are outside the range.\n\t        if (columnPosLeft[i] > range.rightPx) {\n\t          break;\n\t        }\n\t\n\t        // Already rendered.\n\t        if ((colspan = cacheEntry.cellColSpans[i]) != null) {\n\t          i += colspan > 1 ? colspan - 1 : 0;\n\t          continue;\n\t        }\n\t\n\t        colspan = 1;\n\t        if (metadata) {\n\t          var columnData = metadata[columns[i].id] || metadata[i];\n\t          colspan = columnData && columnData.colspan || 1;\n\t          if (colspan === \"*\") {\n\t            colspan = ii - i;\n\t          }\n\t        }\n\t\n\t        if (columnPosRight[Math.min(ii - 1, i + colspan - 1)] > range.leftPx) {\n\t          appendCellHtml(stringArray, row, i, colspan, d);\n\t          cellsAdded++;\n\t        }\n\t\n\t        i += colspan > 1 ? colspan - 1 : 0;\n\t      }\n\t\n\t      if (cellsAdded) {\n\t        totalCellsAdded += cellsAdded;\n\t        processedRows.push(row);\n\t      }\n\t    }\n\t\n\t    if (!stringArray.length) {\n\t      return;\n\t    }\n\t\n\t    var x = document.createElement(\"div\");\n\t    x.innerHTML = stringArray.join(\"\");\n\t\n\t    var processedRow;\n\t    var $node;\n\t    while ((processedRow = processedRows.pop()) != null) {\n\t      cacheEntry = rowsCache[processedRow];\n\t      var columnIdx;\n\t      while ((columnIdx = cacheEntry.cellRenderQueue.pop()) != null) {\n\t        $node = (0, _jquery2.default)(x).children().last();\n\t\n\t        if (hasFrozenColumns() && columnIdx > options.frozenColumn) {\n\t          (0, _jquery2.default)(cacheEntry.rowNode[1]).append($node);\n\t        } else {\n\t          (0, _jquery2.default)(cacheEntry.rowNode[0]).append($node);\n\t        }\n\t\n\t        cacheEntry.cellNodesByColumnIdx[columnIdx] = $node;\n\t      }\n\t    }\n\t  }\n\t\n\t  function renderRows(range) {\n\t    var stringArrayL = [],\n\t        stringArrayR = [],\n\t        rows = [],\n\t        needToReselectCell = false,\n\t        dataLength = getDataLength();\n\t\n\t    for (var i = range.top, ii = range.bottom; i <= ii; i++) {\n\t      if (rowsCache[i] || hasFrozenRows && options.frozenBottom && i == getDataLength()) {\n\t        continue;\n\t      }\n\t      renderedRows++;\n\t      rows.push(i);\n\t\n\t      // Create an entry right away so that appendRowHtml() can\n\t      // start populatating it.\n\t      rowsCache[i] = {\n\t        \"rowNode\": null,\n\t\n\t        // ColSpans of rendered cells (by column idx).\n\t        // Can also be used for checking whether a cell has been rendered.\n\t        \"cellColSpans\": [],\n\t\n\t        // Cell nodes (by column idx).  Lazy-populated by ensureCellNodesInRowsCache().\n\t        \"cellNodesByColumnIdx\": [],\n\t\n\t        // Column indices of cell nodes that have been rendered, but not yet indexed in\n\t        // cellNodesByColumnIdx.  These are in the same order as cell nodes added at the\n\t        // end of the row.\n\t        \"cellRenderQueue\": []\n\t      };\n\t\n\t      appendRowHtml(stringArrayL, stringArrayR, i, range, dataLength);\n\t      if (activeCellNode && activeRow === i) {\n\t        needToReselectCell = true;\n\t      }\n\t      counter_rows_rendered++;\n\t    }\n\t\n\t    if (!rows.length) {\n\t      return;\n\t    }\n\t\n\t    var x = document.createElement(\"div\"),\n\t        xRight = document.createElement(\"div\");\n\t\n\t    x.innerHTML = stringArrayL.join(\"\");\n\t    xRight.innerHTML = stringArrayR.join(\"\");\n\t\n\t    for (var i = 0, ii = rows.length; i < ii; i++) {\n\t      if (hasFrozenRows && rows[i] >= actualFrozenRow) {\n\t        if (hasFrozenColumns()) {\n\t          rowsCache[rows[i]].rowNode = (0, _jquery2.default)().add((0, _jquery2.default)(x.firstChild).appendTo($canvasBottomL)).add((0, _jquery2.default)(xRight.firstChild).appendTo($canvasBottomR));\n\t        } else {\n\t          rowsCache[rows[i]].rowNode = (0, _jquery2.default)().add((0, _jquery2.default)(x.firstChild).appendTo($canvasBottomL));\n\t        }\n\t      } else if (hasFrozenColumns()) {\n\t        rowsCache[rows[i]].rowNode = (0, _jquery2.default)().add((0, _jquery2.default)(x.firstChild).appendTo($canvasTopL)).add((0, _jquery2.default)(xRight.firstChild).appendTo($canvasTopR));\n\t      } else {\n\t        rowsCache[rows[i]].rowNode = (0, _jquery2.default)().add((0, _jquery2.default)(x.firstChild).appendTo($canvasTopL));\n\t      }\n\t    }\n\t\n\t    if (needToReselectCell) {\n\t      activeCellNode = getCellNode(activeRow, activeCell);\n\t    }\n\t  }\n\t\n\t  function startPostProcessing() {\n\t    if (!options.enableAsyncPostRender) {\n\t      return;\n\t    }\n\t    clearTimeout(h_postrender);\n\t    h_postrender = setTimeout(asyncPostProcessRows, options.asyncPostRenderDelay);\n\t  }\n\t\n\t  function invalidatePostProcessingResults(row) {\n\t    delete postProcessedRows[row];\n\t    postProcessFromRow = Math.min(postProcessFromRow, row);\n\t    postProcessToRow = Math.max(postProcessToRow, row);\n\t    startPostProcessing();\n\t  }\n\t\n\t  function updateRowPositions() {\n\t    for (var row in rowsCache) {\n\t      rowsCache[row].rowNode.css('top', getRowTop(row) + \"px\");\n\t    }\n\t  }\n\t\n\t  function render() {\n\t    if (!initialized) {\n\t      return;\n\t    }\n\t    var visible = getVisibleRange();\n\t    var rendered = getRenderedRange();\n\t\n\t    // remove rows no longer in the viewport\n\t    cleanupRows(rendered);\n\t\n\t    // add new rows & missing cells in existing rows\n\t    if (lastRenderedScrollLeft != scrollLeft) {\n\t\n\t      if (hasFrozenRows) {\n\t\n\t        var renderedFrozenRows = _jquery2.default.extend(true, {}, rendered);\n\t\n\t        if (options.frozenBottom) {\n\t\n\t          renderedFrozenRows.top = actualFrozenRow;\n\t          renderedFrozenRows.bottom = getDataLength();\n\t        } else {\n\t\n\t          renderedFrozenRows.top = 0;\n\t          renderedFrozenRows.bottom = options.frozenRow;\n\t        }\n\t\n\t        cleanUpAndRenderCells(renderedFrozenRows);\n\t      }\n\t\n\t      cleanUpAndRenderCells(rendered);\n\t    }\n\t\n\t    // render missing rows\n\t    renderRows(rendered);\n\t\n\t    // Render frozen rows\n\t    if (hasFrozenRows) {\n\t      if (options.frozenBottom) {\n\t        renderRows({\n\t          top: actualFrozenRow,\n\t          bottom: getDataLength() - 1,\n\t          leftPx: rendered.leftPx,\n\t          rightPx: rendered.rightPx\n\t        });\n\t      } else {\n\t        renderRows({\n\t          top: 0,\n\t          bottom: options.frozenRow - 1,\n\t          leftPx: rendered.leftPx,\n\t          rightPx: rendered.rightPx\n\t        });\n\t      }\n\t    }\n\t\n\t    postProcessFromRow = visible.top;\n\t    postProcessToRow = Math.min(getDataLengthIncludingAddNew() - 1, visible.bottom);\n\t    startPostProcessing();\n\t\n\t    lastRenderedScrollTop = scrollTop;\n\t    lastRenderedScrollLeft = scrollLeft;\n\t    h_render = null;\n\t  }\n\t\n\t  function handleHeaderRowScroll() {\n\t    var scrollLeft = $headerRowScrollContainer[0].scrollLeft;\n\t    if (scrollLeft != $viewportScrollContainerX[0].scrollLeft) {\n\t      $viewportScrollContainerX[0].scrollLeft = scrollLeft;\n\t    }\n\t  }\n\t\n\t  function handleFooterRowScroll() {\n\t    var scrollLeft = $footerRowScrollContainer[0].scrollLeft;\n\t    if (scrollLeft != $viewportScrollContainerX[0].scrollLeft) {\n\t      $viewportScrollContainerX[0].scrollLeft = scrollLeft;\n\t    }\n\t  }\n\t\n\t  function handleMouseWheel(e, delta, deltaX, deltaY) {\n\t    var $rowNode = (0, _jquery2.default)(e.target).closest(\".slick-row\");\n\t    var rowNode = $rowNode[0];\n\t\n\t    if (rowNode != rowNodeFromLastMouseWheelEvent) {\n\t\n\t      var $gridCanvas = $rowNode.parents('.grid-canvas');\n\t      var left = $gridCanvas.hasClass('grid-canvas-left');\n\t\n\t      if (zombieRowNodeFromLastMouseWheelEvent && zombieRowNodeFromLastMouseWheelEvent[left ? 0 : 1] != rowNode) {\n\t        var zombieRow = zombieRowNodeFromLastMouseWheelEvent[left || zombieRowNodeFromLastMouseWheelEvent.length == 1 ? 0 : 1];\n\t        zombieRow.parentElement.removeChild(zombieRow);\n\t\n\t        zombieRowNodeFromLastMouseWheelEvent = null;\n\t      }\n\t\n\t      rowNodeFromLastMouseWheelEvent = rowNode;\n\t    }\n\t\n\t    scrollTop = Math.max(0, $viewportScrollContainerY[0].scrollTop - deltaY * options.rowHeight);\n\t    scrollLeft = $viewportScrollContainerX[0].scrollLeft + deltaX * 10;\n\t    var handled = _handleScroll(true);\n\t    if (handled) e.preventDefault();\n\t  }\n\t\n\t  function handleScroll() {\n\t    scrollTop = $viewportScrollContainerY[0].scrollTop;\n\t    scrollLeft = $viewportScrollContainerX[0].scrollLeft;\n\t    return _handleScroll(false);\n\t  }\n\t\n\t  function _handleScroll(isMouseWheel) {\n\t    var maxScrollDistanceY = $viewportScrollContainerY[0].scrollHeight - $viewportScrollContainerY[0].clientHeight;\n\t    var maxScrollDistanceX = $viewportScrollContainerY[0].scrollWidth - $viewportScrollContainerY[0].clientWidth;\n\t    var hasFrozenCols = hasFrozenColumns();\n\t\n\t    // Ceiling the max scroll values\n\t    if (scrollTop > maxScrollDistanceY) {\n\t      scrollTop = maxScrollDistanceY;\n\t    }\n\t    if (scrollLeft > maxScrollDistanceX) {\n\t      scrollLeft = maxScrollDistanceX;\n\t    }\n\t\n\t    var vScrollDist = Math.abs(scrollTop - prevScrollTop);\n\t    var hScrollDist = Math.abs(scrollLeft - prevScrollLeft);\n\t\n\t    if (hScrollDist) {\n\t      prevScrollLeft = scrollLeft;\n\t\n\t      $viewportScrollContainerX[0].scrollLeft = scrollLeft;\n\t      $headerScrollContainer[0].scrollLeft = scrollLeft;\n\t      $topPanelScroller[0].scrollLeft = scrollLeft;\n\t      $headerRowScrollContainer[0].scrollLeft = scrollLeft;\n\t      $footerRowScrollContainer[0].scrollLeft = scrollLeft;\n\t\n\t      if (hasFrozenCols) {\n\t        if (hasFrozenRows) {\n\t          $viewportTopR[0].scrollLeft = scrollLeft;\n\t        }\n\t      } else {\n\t        if (hasFrozenRows) {\n\t          $viewportTopL[0].scrollLeft = scrollLeft;\n\t        }\n\t      }\n\t    }\n\t\n\t    if (vScrollDist) {\n\t      vScrollDir = prevScrollTop < scrollTop ? 1 : -1;\n\t      prevScrollTop = scrollTop;\n\t\n\t      if (isMouseWheel) {\n\t        $viewportScrollContainerY[0].scrollTop = scrollTop;\n\t      }\n\t\n\t      if (hasFrozenCols) {\n\t        if (hasFrozenRows && !options.frozenBottom) {\n\t          $viewportBottomL[0].scrollTop = scrollTop;\n\t        } else {\n\t          $viewportTopL[0].scrollTop = scrollTop;\n\t        }\n\t      }\n\t\n\t      // switch virtual pages if needed\n\t      if (vScrollDist < viewportH) {\n\t        scrollTo(scrollTop + offset);\n\t      } else {\n\t        var oldOffset = offset;\n\t        if (h == viewportH) {\n\t          page = 0;\n\t        } else {\n\t          page = Math.min(n - 1, Math.floor(scrollTop * ((th - viewportH) / (h - viewportH)) * (1 / ph)));\n\t        }\n\t        offset = Math.round(page * cj);\n\t        if (oldOffset != offset) {\n\t          invalidateAllRows();\n\t        }\n\t      }\n\t    }\n\t\n\t    if (hScrollDist || vScrollDist) {\n\t      if (h_render) {\n\t        clearTimeout(h_render);\n\t      }\n\t\n\t      if (Math.abs(lastRenderedScrollTop - scrollTop) > 20 || Math.abs(lastRenderedScrollLeft - scrollLeft) > 20) {\n\t        if (options.forceSyncScrolling || Math.abs(lastRenderedScrollTop - scrollTop) < viewportH && Math.abs(lastRenderedScrollLeft - scrollLeft) < viewportW) {\n\t          render();\n\t        } else {\n\t          h_render = setTimeout(render, 50);\n\t        }\n\t\n\t        trigger(self.onViewportChanged, {});\n\t      }\n\t    }\n\t\n\t    trigger(self.onScroll, {\n\t      scrollLeft: scrollLeft,\n\t      scrollTop: scrollTop\n\t    });\n\t\n\t    if (hScrollDist || vScrollDist) return true;\n\t    return false;\n\t  }\n\t\n\t  function asyncPostProcessRows() {\n\t    var dataLength = getDataLength();\n\t    while (postProcessFromRow <= postProcessToRow) {\n\t      var row = vScrollDir >= 0 ? postProcessFromRow++ : postProcessToRow--;\n\t      var cacheEntry = rowsCache[row];\n\t      if (!cacheEntry || row >= dataLength) {\n\t        continue;\n\t      }\n\t\n\t      if (!postProcessedRows[row]) {\n\t        postProcessedRows[row] = {};\n\t      }\n\t\n\t      ensureCellNodesInRowsCache(row);\n\t      for (var columnIdx in cacheEntry.cellNodesByColumnIdx) {\n\t        if (!cacheEntry.cellNodesByColumnIdx.hasOwnProperty(columnIdx)) {\n\t          continue;\n\t        }\n\t\n\t        columnIdx = columnIdx | 0;\n\t\n\t        var m = columns[columnIdx];\n\t        if (m.asyncPostRender && !postProcessedRows[row][columnIdx]) {\n\t          var node = cacheEntry.cellNodesByColumnIdx[columnIdx];\n\t          if (node) {\n\t            m.asyncPostRender(node, row, getDataItem(row), m);\n\t          }\n\t          postProcessedRows[row][columnIdx] = true;\n\t        }\n\t      }\n\t\n\t      h_postrender = setTimeout(asyncPostProcessRows, options.asyncPostRenderDelay);\n\t      return;\n\t    }\n\t  }\n\t\n\t  function updateCellCssStylesOnRenderedRows(addedHash, removedHash) {\n\t    var node, columnId, addedRowHash, removedRowHash;\n\t    for (var row in rowsCache) {\n\t      removedRowHash = removedHash && removedHash[row];\n\t      addedRowHash = addedHash && addedHash[row];\n\t\n\t      if (removedRowHash) {\n\t        for (columnId in removedRowHash) {\n\t          if (!addedRowHash || removedRowHash[columnId] != addedRowHash[columnId]) {\n\t            node = getCellNode(row, getColumnIndex(columnId));\n\t            if (node) {\n\t              (0, _jquery2.default)(node).removeClass(removedRowHash[columnId]);\n\t            }\n\t          }\n\t        }\n\t      }\n\t\n\t      if (addedRowHash) {\n\t        for (columnId in addedRowHash) {\n\t          if (!removedRowHash || removedRowHash[columnId] != addedRowHash[columnId]) {\n\t            node = getCellNode(row, getColumnIndex(columnId));\n\t            if (node) {\n\t              (0, _jquery2.default)(node).addClass(addedRowHash[columnId]);\n\t            }\n\t          }\n\t        }\n\t      }\n\t    }\n\t  }\n\t\n\t  function addCellCssStyles(key, hash) {\n\t    if (cellCssClasses[key]) {\n\t      throw \"addCellCssStyles: cell CSS hash with key '\" + key + \"' already exists.\";\n\t    }\n\t\n\t    cellCssClasses[key] = hash;\n\t    updateCellCssStylesOnRenderedRows(hash, null);\n\t\n\t    trigger(self.onCellCssStylesChanged, {\n\t      \"key\": key,\n\t      \"hash\": hash\n\t    });\n\t  }\n\t\n\t  function removeCellCssStyles(key) {\n\t    if (!cellCssClasses[key]) {\n\t      return;\n\t    }\n\t\n\t    updateCellCssStylesOnRenderedRows(null, cellCssClasses[key]);\n\t    delete cellCssClasses[key];\n\t\n\t    trigger(self.onCellCssStylesChanged, {\n\t      \"key\": key,\n\t      \"hash\": null\n\t    });\n\t  }\n\t\n\t  function setCellCssStyles(key, hash) {\n\t    var prevHash = cellCssClasses[key];\n\t\n\t    cellCssClasses[key] = hash;\n\t    updateCellCssStylesOnRenderedRows(hash, prevHash);\n\t\n\t    trigger(self.onCellCssStylesChanged, {\n\t      \"key\": key,\n\t      \"hash\": hash\n\t    });\n\t  }\n\t\n\t  function getCellCssStyles(key) {\n\t    return cellCssClasses[key];\n\t  }\n\t\n\t  function flashCell(row, cell, speed) {\n\t    speed = speed || 100;\n\t    if (rowsCache[row]) {\n\t      var toggleCellClass = function toggleCellClass(times) {\n\t        if (!times) {\n\t          return;\n\t        }\n\t        setTimeout(function () {\n\t          $cell.queue(function () {\n\t            $cell.toggleClass(options.cellFlashingCssClass).dequeue();\n\t            toggleCellClass(times - 1);\n\t          });\n\t        }, speed);\n\t      };\n\t\n\t      var $cell = (0, _jquery2.default)(getCellNode(row, cell));\n\t\n\t      toggleCellClass(4);\n\t    }\n\t  }\n\t\n\t  //////////////////////////////////////////////////////////////////////////////////////////////\n\t  // Interactivity\n\t\n\t  function handleDragInit(e, dd) {\n\t    var cell = getCellFromEvent(e);\n\t    if (!cell || !cellExists(cell.row, cell.cell)) {\n\t      return false;\n\t    }\n\t\n\t    var retval = trigger(self.onDragInit, dd, e);\n\t    if (e.isImmediatePropagationStopped()) {\n\t      return retval;\n\t    }\n\t\n\t    // if nobody claims to be handling drag'n'drop by stopping immediate propagation,\n\t    // cancel out of it\n\t    return false;\n\t  }\n\t\n\t  function handleDragStart(interactEvent) {\n\t    var event = _jquery2.default.Event(interactEvent.originalEvent.type, interactEvent.originalEvent);\n\t    var cell = getCellFromEvent(event);\n\t    if (!cell || !cellExists(cell.row, cell.cell)) {\n\t      return false;\n\t    }\n\t\n\t    var retval = trigger(self.onDragStart, interactEvent, event);\n\t    if (event.isImmediatePropagationStopped()) {\n\t      return retval;\n\t    }\n\t\n\t    return false;\n\t  }\n\t\n\t  function handleDrag(interactEvent) {\n\t    var event = _jquery2.default.Event(interactEvent.originalEvent.type, interactEvent.originalEvent);\n\t    return trigger(self.onDrag, interactEvent, event);\n\t  }\n\t\n\t  function handleDragEnd(interactEvent) {\n\t    trigger(self.onDragEnd, interactEvent, _jquery2.default.Event('mousedown'));\n\t  }\n\t\n\t  function handleKeyDown(e) {\n\t    trigger(self.onKeyDown, {\n\t      row: activeRow,\n\t      cell: activeCell\n\t    }, e);\n\t    var handled = e.isImmediatePropagationStopped();\n\t\n\t    if (!handled) {\n\t      if (!e.shiftKey && !e.altKey && !e.ctrlKey) {\n\t        if (e.which == 27) {\n\t          if (!getEditorLock().isActive()) {\n\t            return; // no editing mode to cancel, allow bubbling and default processing (exit without cancelling the event)\n\t          }\n\t          cancelEditAndSetFocus();\n\t        } else if (e.which == 34) {\n\t          navigatePageDown();\n\t          handled = true;\n\t        } else if (e.which == 33) {\n\t          navigatePageUp();\n\t          handled = true;\n\t        } else if (e.which == 37) {\n\t          handled = navigateLeft();\n\t        } else if (e.which == 39) {\n\t          handled = navigateRight();\n\t        } else if (e.which == 38) {\n\t          handled = navigateUp();\n\t        } else if (e.which == 40) {\n\t          handled = navigateDown();\n\t        } else if (e.which == 9) {\n\t          handled = navigateNext();\n\t        } else if (e.which == 13) {\n\t          if (options.editable) {\n\t            if (currentEditor) {\n\t              // adding new row\n\t              if (activeRow === getDataLength()) {\n\t                navigateDown();\n\t              } else {\n\t                commitEditAndSetFocus();\n\t              }\n\t            } else {\n\t              if (getEditorLock().commitCurrentEdit()) {\n\t                makeActiveCellEditable();\n\t              }\n\t            }\n\t          }\n\t          handled = true;\n\t        }\n\t      } else if (e.which == 9 && e.shiftKey && !e.ctrlKey && !e.altKey) {\n\t        handled = navigatePrev();\n\t      }\n\t    }\n\t\n\t    if (handled) {\n\t      // the event has been handled so don't let parent element (bubbling/propagation) or browser (default) handle it\n\t      e.stopPropagation();\n\t      e.preventDefault();\n\t      try {\n\t        e.originalEvent.keyCode = 0; // prevent default behaviour for special keys in IE browsers (F3, F5, etc.)\n\t      }\n\t      // ignore exceptions - setting the original event's keycode throws access denied exception for \"Ctrl\"\n\t      // (hitting control key only, nothing else), \"Shift\" (maybe others)\n\t      catch (error) {}\n\t    }\n\t  }\n\t\n\t  function handleClick(e) {\n\t    if (!currentEditor) {\n\t      // if this click resulted in some cell child node getting focus,\n\t      // don't steal it back - keyboard events will still bubble up\n\t      // IE9+ seems to default DIVs to tabIndex=0 instead of -1, so check for cell clicks directly.\n\t      if (e.target != document.activeElement || (0, _jquery2.default)(e.target).hasClass(\"slick-cell\")) {\n\t        setFocus();\n\t      }\n\t    }\n\t\n\t    var cell = getCellFromEvent(e);\n\t    if (!cell || currentEditor !== null && activeRow == cell.row && activeCell == cell.cell) {\n\t      return;\n\t    }\n\t\n\t    trigger(self.onClick, {\n\t      row: cell.row,\n\t      cell: cell.cell\n\t    }, e);\n\t    if (e.isImmediatePropagationStopped()) {\n\t      return;\n\t    }\n\t\n\t    if ((activeCell != cell.cell || activeRow != cell.row) && canCellBeActive(cell.row, cell.cell)) {\n\t      if (!getEditorLock().isActive() || getEditorLock().commitCurrentEdit()) {\n\t\n\t        scrollRowIntoView(cell.row, false);\n\t        setActiveCellInternal(getCellNode(cell.row, cell.cell));\n\t      }\n\t    }\n\t  }\n\t\n\t  function handleContextMenu(e) {\n\t    var $cell = (0, _jquery2.default)(e.target).closest(\".slick-cell\", $canvas);\n\t    if ($cell.length === 0) {\n\t      return;\n\t    }\n\t\n\t    // are we editing this cell?\n\t    if (activeCellNode === $cell[0] && currentEditor !== null) {\n\t      return;\n\t    }\n\t\n\t    trigger(self.onContextMenu, {}, e);\n\t  }\n\t\n\t  function handleDblClick(e) {\n\t    var cell = getCellFromEvent(e);\n\t    if (!cell || currentEditor !== null && activeRow == cell.row && activeCell == cell.cell) {\n\t      return;\n\t    }\n\t\n\t    trigger(self.onDblClick, {\n\t      row: cell.row,\n\t      cell: cell.cell\n\t    }, e);\n\t    if (e.isImmediatePropagationStopped()) {\n\t      return;\n\t    }\n\t\n\t    if (options.editable) {\n\t      gotoCell(cell.row, cell.cell, true);\n\t    }\n\t  }\n\t\n\t  function handleHeaderMouseEnter(e) {\n\t    trigger(self.onHeaderMouseEnter, {\n\t      \"column\": (0, _jquery2.default)(this).data(\"column\")\n\t    }, e);\n\t  }\n\t\n\t  function handleHeaderMouseLeave(e) {\n\t    trigger(self.onHeaderMouseLeave, {\n\t      \"column\": (0, _jquery2.default)(this).data(\"column\")\n\t    }, e);\n\t  }\n\t\n\t  function handleHeaderContextMenu(e) {\n\t    var $header = (0, _jquery2.default)(e.target).closest(\".slick-header-column\", \".slick-header-columns\");\n\t    var column = $header && $header.data(\"column\");\n\t    trigger(self.onHeaderContextMenu, {\n\t      column: column\n\t    }, e);\n\t  }\n\t\n\t  function handleHeaderClick(e) {\n\t    var $header = (0, _jquery2.default)(e.target).closest(\".slick-header-column\", \".slick-header-columns\");\n\t    var column = $header && $header.data(\"column\");\n\t    if (column) {\n\t      trigger(self.onHeaderClick, {\n\t        column: column\n\t      }, e);\n\t    }\n\t  }\n\t\n\t  function handleMouseEnter(e) {\n\t    trigger(self.onMouseEnter, {}, e);\n\t  }\n\t\n\t  function handleMouseLeave(e) {\n\t    trigger(self.onMouseLeave, {}, e);\n\t  }\n\t\n\t  function cellExists(row, cell) {\n\t    return !(row < 0 || row >= getDataLength() || cell < 0 || cell >= columns.length);\n\t  }\n\t\n\t  function getCellFromPoint(x, y) {\n\t    var row = getRowFromPosition(y);\n\t    var cell = 0;\n\t\n\t    var w = 0;\n\t    for (var i = 0; i < columns.length && w < x; i++) {\n\t      w += columns[i].width;\n\t      cell++;\n\t    }\n\t\n\t    if (cell < 0) {\n\t      cell = 0;\n\t    }\n\t\n\t    return {\n\t      row: row,\n\t      cell: cell - 1\n\t    };\n\t  }\n\t\n\t  function getCellFromNode(cellNode) {\n\t    // read column number from .l<columnNumber> CSS class\n\t    var cls = /l\\d+/.exec(cellNode.className);\n\t    if (!cls) {\n\t      throw \"getCellFromNode: cannot get cell - \" + cellNode.className;\n\t    }\n\t    return parseInt(cls[0].substr(1, cls[0].length - 1), 10);\n\t  }\n\t\n\t  function getRowFromNode(rowNode) {\n\t    for (var row in rowsCache) {\n\t      for (var i in rowsCache[row].rowNode) {\n\t        if (rowsCache[row].rowNode[i] === rowNode) return row | 0;\n\t      }\n\t    }return null;\n\t  }\n\t\n\t  function getFrozenRowOffset(row) {\n\t    var offset = hasFrozenRows ? options.frozenBottom ? row >= actualFrozenRow ? h < viewportTopH ? actualFrozenRow * options.rowHeight : h : 0 : row >= actualFrozenRow ? frozenRowsHeight : 0 : 0;\n\t\n\t    return offset;\n\t  }\n\t\n\t  function getCellFromEvent(e) {\n\t    var row, cell;\n\t    var $cell = (0, _jquery2.default)(e.target).closest(\".slick-cell\", $canvas);\n\t    if (!$cell.length) {\n\t      return null;\n\t    }\n\t\n\t    row = getRowFromNode($cell[0].parentNode);\n\t\n\t    if (hasFrozenRows) {\n\t\n\t      var c = $cell.parents('.grid-canvas').offset();\n\t\n\t      var rowOffset = 0;\n\t      var isBottom = $cell.parents('.grid-canvas-bottom').length;\n\t\n\t      if (isBottom) {\n\t        rowOffset = options.frozenBottom ? $canvasTopL.height() : frozenRowsHeight;\n\t      }\n\t\n\t      row = getCellFromPoint(e.clientX - c.left, e.clientY - c.top + rowOffset + (0, _jquery2.default)(document).scrollTop()).row;\n\t    }\n\t\n\t    cell = getCellFromNode($cell[0]);\n\t\n\t    if (row == null || cell == null) {\n\t      return null;\n\t    } else {\n\t      return {\n\t        \"row\": row,\n\t        \"cell\": cell\n\t      };\n\t    }\n\t  }\n\t\n\t  function getCellNodeBox(row, cell) {\n\t    if (!cellExists(row, cell)) {\n\t      return null;\n\t    }\n\t\n\t    var frozenRowOffset = getFrozenRowOffset(row);\n\t\n\t    var y1 = getRowTop(row) - frozenRowOffset;\n\t    var y2 = y1 + options.rowHeight - 1;\n\t    var x1 = 0;\n\t    for (var i = 0; i < cell; i++) {\n\t      x1 += columns[i].width;\n\t\n\t      if (options.frozenColumn == i) {\n\t        x1 = 0;\n\t      }\n\t    }\n\t    var x2 = x1 + columns[cell].width;\n\t\n\t    return {\n\t      top: y1,\n\t      left: x1,\n\t      bottom: y2,\n\t      right: x2\n\t    };\n\t  }\n\t\n\t  //////////////////////////////////////////////////////////////////////////////////////////////\n\t  // Cell switching\n\t\n\t  function resetActiveCell() {\n\t    setActiveCellInternal(null, false);\n\t  }\n\t\n\t  function setFocus() {\n\t    if (tabbingDirection == -1) {\n\t      $focusSink[0].focus();\n\t    } else {\n\t      $focusSink2[0].focus();\n\t    }\n\t  }\n\t\n\t  function scrollCellIntoView(row, cell, doPaging) {\n\t    // Don't scroll to frozen cells\n\t    if (cell <= options.frozenColumn) {\n\t      return;\n\t    }\n\t\n\t    if (row < actualFrozenRow) {\n\t      scrollRowIntoView(row, doPaging);\n\t    }\n\t\n\t    var colspan = getColspan(row, cell);\n\t    var left = columnPosLeft[cell],\n\t        right = columnPosRight[cell + (colspan > 1 ? colspan - 1 : 0)],\n\t        scrollRight = scrollLeft + $viewportScrollContainerX.width();\n\t\n\t    if (left < scrollLeft) {\n\t      $viewportScrollContainerX.scrollLeft(left);\n\t      handleScroll();\n\t      render();\n\t    } else if (right > scrollRight) {\n\t      $viewportScrollContainerX.scrollLeft(Math.min(left, right - $viewportScrollContainerX[0].clientWidth));\n\t      handleScroll();\n\t      render();\n\t    }\n\t  }\n\t\n\t  function setActiveCellInternal(newCell, opt_editMode) {\n\t    if (activeCellNode !== null) {\n\t      makeActiveCellNormal();\n\t      (0, _jquery2.default)(activeCellNode).removeClass(\"active\");\n\t      if (rowsCache[activeRow]) {\n\t        (0, _jquery2.default)(rowsCache[activeRow].rowNode).removeClass(\"active\");\n\t      }\n\t    }\n\t\n\t    var activeCellChanged = activeCellNode !== newCell;\n\t    activeCellNode = newCell;\n\t\n\t    if (activeCellNode != null) {\n\t      var $activeCellNode = (0, _jquery2.default)(activeCellNode);\n\t      var $activeCellOffset = $activeCellNode.offset();\n\t\n\t      var rowOffset = Math.floor($activeCellNode.parents('.grid-canvas').offset().top);\n\t      var isBottom = $activeCellNode.parents('.grid-canvas-bottom').length;\n\t\n\t      if (hasFrozenRows && isBottom) {\n\t        rowOffset -= options.frozenBottom ? $canvasTopL.height() : frozenRowsHeight;\n\t      }\n\t\n\t      var cell = getCellFromPoint($activeCellOffset.left, Math.ceil($activeCellOffset.top) - rowOffset);\n\t\n\t      activeRow = cell.row;\n\t      activeCell = activePosX = activeCell = activePosX = getCellFromNode(activeCellNode[0]);\n\t\n\t      $activeCellNode.addClass(\"active\");\n\t      if (rowsCache[activeRow]) {\n\t        (0, _jquery2.default)(rowsCache[activeRow].rowNode).addClass('active');\n\t      }\n\t\n\t      if (opt_editMode == null) {\n\t        opt_editMode = activeRow == getDataLength() || options.autoEdit;\n\t      }\n\t\n\t      if (options.editable && opt_editMode && isCellPotentiallyEditable(activeRow, activeCell)) {\n\t        clearTimeout(h_editorLoader);\n\t\n\t        if (options.asyncEditorLoading) {\n\t          h_editorLoader = setTimeout(function () {\n\t            makeActiveCellEditable();\n\t          }, options.asyncEditorLoadDelay);\n\t        } else {\n\t          makeActiveCellEditable();\n\t        }\n\t      }\n\t    } else {\n\t      activeRow = activeCell = null;\n\t    }\n\t\n\t    if (activeCellChanged) {\n\t      setTimeout(scrollActiveCellIntoView, 50);\n\t      trigger(self.onActiveCellChanged, getActiveCell());\n\t    }\n\t  }\n\t\n\t  function clearTextSelection() {\n\t    if (document.selection && document.selection.empty) {\n\t      try {\n\t        //IE fails here if selected element is not in dom\n\t        document.selection.empty();\n\t      } catch (e) {}\n\t    } else if (window.getSelection) {\n\t      var sel = window.getSelection();\n\t      if (sel && sel.removeAllRanges) {\n\t        sel.removeAllRanges();\n\t      }\n\t    }\n\t  }\n\t\n\t  function isCellPotentiallyEditable(row, cell) {\n\t    var dataLength = getDataLength();\n\t    // is the data for this row loaded?\n\t    if (row < dataLength && !getDataItem(row)) {\n\t      return false;\n\t    }\n\t\n\t    // are we in the Add New row?  can we create new from this cell?\n\t    if (columns[cell].cannotTriggerInsert && row >= dataLength) {\n\t      return false;\n\t    }\n\t\n\t    // does this cell have an editor?\n\t    if (!getEditor(row, cell)) {\n\t      return false;\n\t    }\n\t\n\t    return true;\n\t  }\n\t\n\t  function makeActiveCellNormal() {\n\t    if (!currentEditor) {\n\t      return;\n\t    }\n\t    trigger(self.onBeforeCellEditorDestroy, {\n\t      editor: currentEditor\n\t    });\n\t    currentEditor.destroy();\n\t    currentEditor = null;\n\t\n\t    if (activeCellNode) {\n\t      var d = getDataItem(activeRow);\n\t      (0, _jquery2.default)(activeCellNode).removeClass(\"editable invalid\");\n\t      if (d) {\n\t        var column = columns[activeCell];\n\t        activeCellNode[0].innerHTML = callFormatter(activeRow, activeCell, getDataItemValueForColumn(d, column), column, d);\n\t        invalidatePostProcessingResults(activeRow);\n\t      }\n\t    }\n\t\n\t    // if there previously was text selected on a page (such as selected text in the edit cell just removed),\n\t    // IE can't set focus to anything else correctly\n\t    if (navigator.userAgent.toLowerCase().match(/msie/)) {\n\t      clearTextSelection();\n\t    }\n\t\n\t    getEditorLock().deactivate(editController);\n\t  }\n\t\n\t  function makeActiveCellEditable(editor) {\n\t    if (!activeCellNode) {\n\t      return;\n\t    }\n\t    if (!options.editable) {\n\t      throw \"Grid : makeActiveCellEditable : should never get called when options.editable is false\";\n\t    }\n\t\n\t    // cancel pending async call if there is one\n\t    clearTimeout(h_editorLoader);\n\t\n\t    if (!isCellPotentiallyEditable(activeRow, activeCell)) {\n\t      return;\n\t    }\n\t\n\t    var columnDef = columns[activeCell];\n\t    var item = getDataItem(activeRow);\n\t\n\t    if (trigger(self.onBeforeEditCell, {\n\t      row: activeRow,\n\t      cell: activeCell,\n\t      item: item,\n\t      column: columnDef\n\t    }) === false) {\n\t      setFocus();\n\t      return;\n\t    }\n\t\n\t    getEditorLock().activate(editController);\n\t    (0, _jquery2.default)(activeCellNode).addClass(\"editable\");\n\t\n\t    // don't clear the cell if a custom editor is passed through\n\t    if (!editor) {\n\t      activeCellNode[0].innerHTML = \"\";\n\t    }\n\t\n\t    currentEditor = new (editor || getEditor(activeRow, activeCell))({\n\t      grid: self,\n\t      gridPosition: absBox($container[0]),\n\t      position: absBox(activeCellNode[0]),\n\t      container: activeCellNode,\n\t      column: columnDef,\n\t      item: item || {},\n\t      commitChanges: commitEditAndSetFocus,\n\t      cancelChanges: cancelEditAndSetFocus\n\t    });\n\t\n\t    if (item) {\n\t      currentEditor.loadValue(item);\n\t    }\n\t\n\t    serializedEditorValue = currentEditor.serializeValue();\n\t\n\t    if (currentEditor.position) {\n\t      handleActiveCellPositionChange();\n\t    }\n\t  }\n\t\n\t  function commitEditAndSetFocus() {\n\t    // if the commit fails, it would do so due to a validation error\n\t    // if so, do not steal the focus from the editor\n\t    if (getEditorLock().commitCurrentEdit()) {\n\t      setFocus();\n\t      if (options.autoEdit) {\n\t        navigateDown();\n\t      }\n\t    }\n\t  }\n\t\n\t  function cancelEditAndSetFocus() {\n\t    if (getEditorLock().cancelCurrentEdit()) {\n\t      setFocus();\n\t    }\n\t  }\n\t\n\t  function absBox(elem) {\n\t    var box = {\n\t      top: elem.offsetTop,\n\t      left: elem.offsetLeft,\n\t      bottom: 0,\n\t      right: 0,\n\t      width: (0, _jquery2.default)(elem).outerWidth(),\n\t      height: (0, _jquery2.default)(elem).outerHeight(),\n\t      visible: true\n\t    };\n\t    box.bottom = box.top + box.height;\n\t    box.right = box.left + box.width;\n\t\n\t    // walk up the tree\n\t    var offsetParent = elem.offsetParent;\n\t    while ((elem = elem.parentNode) != document.body) {\n\t      if (box.visible && elem.scrollHeight != elem.offsetHeight && (0, _jquery2.default)(elem).css(\"overflowY\") != \"visible\") {\n\t        box.visible = box.bottom > elem.scrollTop && box.top < elem.scrollTop + elem.clientHeight;\n\t      }\n\t\n\t      if (box.visible && elem.scrollWidth != elem.offsetWidth && (0, _jquery2.default)(elem).css(\"overflowX\") != \"visible\") {\n\t        box.visible = box.right > elem.scrollLeft && box.left < elem.scrollLeft + elem.clientWidth;\n\t      }\n\t\n\t      box.left -= elem.scrollLeft;\n\t      box.top -= elem.scrollTop;\n\t\n\t      if (elem === offsetParent) {\n\t        box.left += elem.offsetLeft;\n\t        box.top += elem.offsetTop;\n\t        offsetParent = elem.offsetParent;\n\t      }\n\t\n\t      box.bottom = box.top + box.height;\n\t      box.right = box.left + box.width;\n\t    }\n\t\n\t    return box;\n\t  }\n\t\n\t  function getActiveCellPosition() {\n\t    return absBox(activeCellNode[0]);\n\t  }\n\t\n\t  function getGridPosition() {\n\t    return absBox($container[0]);\n\t  }\n\t\n\t  function handleActiveCellPositionChange() {\n\t    if (!activeCellNode) {\n\t      return;\n\t    }\n\t\n\t    trigger(self.onActiveCellPositionChanged, {});\n\t\n\t    if (currentEditor) {\n\t      var cellBox = getActiveCellPosition();\n\t      if (currentEditor.show && currentEditor.hide) {\n\t        if (!cellBox.visible) {\n\t          currentEditor.hide();\n\t        } else {\n\t          currentEditor.show();\n\t        }\n\t      }\n\t\n\t      if (currentEditor.position) {\n\t        currentEditor.position(cellBox);\n\t      }\n\t    }\n\t  }\n\t\n\t  function getCellEditor() {\n\t    return currentEditor;\n\t  }\n\t\n\t  function getActiveCell() {\n\t    if (!activeCellNode) {\n\t      return null;\n\t    } else {\n\t      return {\n\t        row: activeRow,\n\t        cell: activeCell\n\t      };\n\t    }\n\t  }\n\t\n\t  function getActiveCellNode() {\n\t    return activeCellNode;\n\t  }\n\t\n\t  function scrollActiveCellIntoView() {\n\t    if (activeRow != null && activeCell != null) {\n\t      scrollCellIntoView(activeRow, activeCell);\n\t    }\n\t  }\n\t\n\t  function scrollRowIntoView(row, doPaging) {\n\t\n\t    if (!hasFrozenRows || !options.frozenBottom && row > actualFrozenRow - 1 || options.frozenBottom && row < actualFrozenRow - 1) {\n\t\n\t      var viewportScrollH = $viewportScrollContainerY.height();\n\t\n\t      var rowAtTop = row * options.rowHeight;\n\t      var rowAtBottom = (row + 1) * options.rowHeight - viewportScrollH + (viewportHasHScroll ? scrollbarDimensions.height : 0);\n\t\n\t      // need to page down?\n\t      if ((row + 1) * options.rowHeight > scrollTop + viewportScrollH + offset) {\n\t        scrollTo(doPaging ? rowAtTop : rowAtBottom);\n\t        render();\n\t      }\n\t      // or page up?\n\t      else if (row * options.rowHeight < scrollTop + offset) {\n\t          scrollTo(doPaging ? rowAtBottom : rowAtTop);\n\t          render();\n\t        }\n\t    }\n\t  }\n\t\n\t  function scrollRowToTop(row) {\n\t    scrollTo(row * options.rowHeight);\n\t    render();\n\t  }\n\t\n\t  function scrollPage(dir) {\n\t    var deltaRows = dir * numVisibleRows;\n\t    scrollTo((getRowFromPosition(scrollTop) + deltaRows) * options.rowHeight);\n\t    render();\n\t\n\t    if (options.enableCellNavigation && activeRow != null) {\n\t      var row = activeRow + deltaRows;\n\t      var dataLengthIncludingAddNew = getDataLengthIncludingAddNew();\n\t      if (row >= dataLengthIncludingAddNew) {\n\t        row = dataLengthIncludingAddNew - 1;\n\t      }\n\t      if (row < 0) {\n\t        row = 0;\n\t      }\n\t\n\t      var cell = 0,\n\t          prevCell = null;\n\t      var prevActivePosX = activePosX;\n\t      while (cell <= activePosX) {\n\t        if (canCellBeActive(row, cell)) {\n\t          prevCell = cell;\n\t        }\n\t        cell += getColspan(row, cell);\n\t      }\n\t\n\t      if (prevCell !== null) {\n\t        setActiveCellInternal(getCellNode(row, prevCell));\n\t        activePosX = prevActivePosX;\n\t      } else {\n\t        resetActiveCell();\n\t      }\n\t    }\n\t  }\n\t\n\t  function navigatePageDown() {\n\t    scrollPage(1);\n\t  }\n\t\n\t  function navigatePageUp() {\n\t    scrollPage(-1);\n\t  }\n\t\n\t  function getColspan(row, cell) {\n\t    var metadata = data.getItemMetadata && data.getItemMetadata(row);\n\t    if (!metadata || !metadata.columns) {\n\t      return 1;\n\t    }\n\t\n\t    var columnData = columns[cell] && (metadata.columns[columns[cell].id] || metadata.columns[cell]);\n\t    var colspan = columnData && columnData.colspan;\n\t    if (colspan === \"*\") {\n\t      colspan = columns.length - cell;\n\t    } else {\n\t      colspan = colspan || 1;\n\t    }\n\t\n\t    return colspan;\n\t  }\n\t\n\t  function findFirstFocusableCell(row) {\n\t    var cell = 0;\n\t    while (cell < columns.length) {\n\t      if (canCellBeActive(row, cell)) {\n\t        return cell;\n\t      }\n\t      cell += getColspan(row, cell);\n\t    }\n\t    return null;\n\t  }\n\t\n\t  function findLastFocusableCell(row) {\n\t    var cell = 0;\n\t    var lastFocusableCell = null;\n\t    while (cell < columns.length) {\n\t      if (canCellBeActive(row, cell)) {\n\t        lastFocusableCell = cell;\n\t      }\n\t      cell += getColspan(row, cell);\n\t    }\n\t    return lastFocusableCell;\n\t  }\n\t\n\t  function gotoRight(row, cell, posX) {\n\t    if (cell >= columns.length) {\n\t      return null;\n\t    }\n\t\n\t    do {\n\t      cell += getColspan(row, cell);\n\t    } while (cell < columns.length && !canCellBeActive(row, cell));\n\t\n\t    if (cell < columns.length) {\n\t      return {\n\t        \"row\": row,\n\t        \"cell\": cell,\n\t        \"posX\": cell\n\t      };\n\t    }\n\t    return null;\n\t  }\n\t\n\t  function gotoLeft(row, cell, posX) {\n\t    if (cell <= 0) {\n\t      return null;\n\t    }\n\t\n\t    var firstFocusableCell = findFirstFocusableCell(row);\n\t    if (firstFocusableCell === null || firstFocusableCell >= cell) {\n\t      return null;\n\t    }\n\t\n\t    var prev = {\n\t      \"row\": row,\n\t      \"cell\": firstFocusableCell,\n\t      \"posX\": firstFocusableCell\n\t    };\n\t    var pos;\n\t    while (true) {\n\t      pos = gotoRight(prev.row, prev.cell, prev.posX);\n\t      if (!pos) {\n\t        return null;\n\t      }\n\t      if (pos.cell >= cell) {\n\t        return prev;\n\t      }\n\t      prev = pos;\n\t    }\n\t  }\n\t\n\t  function gotoDown(row, cell, posX) {\n\t    var prevCell;\n\t    var dataLengthIncludingAddNew = getDataLengthIncludingAddNew();\n\t    while (true) {\n\t      if (++row >= dataLengthIncludingAddNew) {\n\t        return null;\n\t      }\n\t\n\t      prevCell = cell = 0;\n\t      while (cell <= posX) {\n\t        prevCell = cell;\n\t        cell += getColspan(row, cell);\n\t      }\n\t\n\t      if (canCellBeActive(row, prevCell)) {\n\t        return {\n\t          \"row\": row,\n\t          \"cell\": prevCell,\n\t          \"posX\": posX\n\t        };\n\t      }\n\t    }\n\t  }\n\t\n\t  function gotoUp(row, cell, posX) {\n\t    var prevCell;\n\t    while (true) {\n\t      if (--row < 0) {\n\t        return null;\n\t      }\n\t\n\t      prevCell = cell = 0;\n\t      while (cell <= posX) {\n\t        prevCell = cell;\n\t        cell += getColspan(row, cell);\n\t      }\n\t\n\t      if (canCellBeActive(row, prevCell)) {\n\t        return {\n\t          \"row\": row,\n\t          \"cell\": prevCell,\n\t          \"posX\": posX\n\t        };\n\t      }\n\t    }\n\t  }\n\t\n\t  function gotoNext(row, cell, posX) {\n\t    if (row == null && cell == null) {\n\t      row = cell = posX = 0;\n\t      if (canCellBeActive(row, cell)) {\n\t        return {\n\t          \"row\": row,\n\t          \"cell\": cell,\n\t          \"posX\": cell\n\t        };\n\t      }\n\t    }\n\t\n\t    var pos = gotoRight(row, cell, posX);\n\t    if (pos) {\n\t      return pos;\n\t    }\n\t\n\t    var firstFocusableCell = null;\n\t    var dataLengthIncludingAddNew = getDataLengthIncludingAddNew();\n\t    while (++row < dataLengthIncludingAddNew) {\n\t      firstFocusableCell = findFirstFocusableCell(row);\n\t      if (firstFocusableCell !== null) {\n\t        return {\n\t          \"row\": row,\n\t          \"cell\": firstFocusableCell,\n\t          \"posX\": firstFocusableCell\n\t        };\n\t      }\n\t    }\n\t    return null;\n\t  }\n\t\n\t  function gotoPrev(row, cell, posX) {\n\t    if (row == null && cell == null) {\n\t      row = getDataLengthIncludingAddNew() - 1;\n\t      cell = posX = columns.length - 1;\n\t      if (canCellBeActive(row, cell)) {\n\t        return {\n\t          \"row\": row,\n\t          \"cell\": cell,\n\t          \"posX\": cell\n\t        };\n\t      }\n\t    }\n\t\n\t    var pos;\n\t    var lastSelectableCell;\n\t    while (!pos) {\n\t      pos = gotoLeft(row, cell, posX);\n\t      if (pos) {\n\t        break;\n\t      }\n\t      if (--row < 0) {\n\t        return null;\n\t      }\n\t\n\t      cell = 0;\n\t      lastSelectableCell = findLastFocusableCell(row);\n\t      if (lastSelectableCell !== null) {\n\t        pos = {\n\t          \"row\": row,\n\t          \"cell\": lastSelectableCell,\n\t          \"posX\": lastSelectableCell\n\t        };\n\t      }\n\t    }\n\t    return pos;\n\t  }\n\t\n\t  function navigateRight() {\n\t    return navigate(\"right\");\n\t  }\n\t\n\t  function navigateLeft() {\n\t    return navigate(\"left\");\n\t  }\n\t\n\t  function navigateDown() {\n\t    return navigate(\"down\");\n\t  }\n\t\n\t  function navigateUp() {\n\t    return navigate(\"up\");\n\t  }\n\t\n\t  function navigateNext() {\n\t    return navigate(\"next\");\n\t  }\n\t\n\t  function navigatePrev() {\n\t    return navigate(\"prev\");\n\t  }\n\t\n\t  /**\r\n\t   * @param {string} dir Navigation direction.\r\n\t   * @return {boolean} Whether navigation resulted in a change of active cell.\r\n\t   */\n\t  function navigate(dir) {\n\t    if (!options.enableCellNavigation) {\n\t      return false;\n\t    }\n\t\n\t    if (!activeCellNode && dir != \"prev\" && dir != \"next\") {\n\t      return false;\n\t    }\n\t\n\t    if (!getEditorLock().commitCurrentEdit()) {\n\t      return true;\n\t    }\n\t    setFocus();\n\t\n\t    var tabbingDirections = {\n\t      \"up\": -1,\n\t      \"down\": 1,\n\t      \"left\": -1,\n\t      \"right\": 1,\n\t      \"prev\": -1,\n\t      \"next\": 1\n\t    };\n\t    tabbingDirection = tabbingDirections[dir];\n\t\n\t    var stepFunctions = {\n\t      \"up\": gotoUp,\n\t      \"down\": gotoDown,\n\t      \"left\": gotoLeft,\n\t      \"right\": gotoRight,\n\t      \"prev\": gotoPrev,\n\t      \"next\": gotoNext\n\t    };\n\t    var stepFn = stepFunctions[dir];\n\t    var pos = stepFn(activeRow, activeCell, activePosX);\n\t    if (pos) {\n\t      if (hasFrozenRows && options.frozenBottom & pos.row == getDataLength()) {\n\t        return;\n\t      }\n\t\n\t      var isAddNewRow = pos.row == getDataLength();\n\t\n\t      if (!options.frozenBottom && pos.row >= actualFrozenRow || options.frozenBottom && pos.row < actualFrozenRow) {\n\t        scrollCellIntoView(pos.row, pos.cell, !isAddNewRow);\n\t      }\n\t\n\t      setActiveCellInternal(getCellNode(pos.row, pos.cell));\n\t      activePosX = pos.posX;\n\t      return true;\n\t    } else {\n\t      setActiveCellInternal(getCellNode(activeRow, activeCell));\n\t      return false;\n\t    }\n\t  }\n\t\n\t  function getCellNode(row, cell) {\n\t    if (rowsCache[row]) {\n\t      ensureCellNodesInRowsCache(row);\n\t      return rowsCache[row].cellNodesByColumnIdx[cell];\n\t    }\n\t    return null;\n\t  }\n\t\n\t  function setActiveCell(row, cell) {\n\t    if (!initialized) {\n\t      return;\n\t    }\n\t    if (row > getDataLength() || row < 0 || cell >= columns.length || cell < 0) {\n\t      return;\n\t    }\n\t\n\t    if (!options.enableCellNavigation) {\n\t      return;\n\t    }\n\t\n\t    scrollCellIntoView(row, cell, false);\n\t    setActiveCellInternal(getCellNode(row, cell), false);\n\t  }\n\t\n\t  function canCellBeActive(row, cell) {\n\t    if (!options.enableCellNavigation || row >= getDataLengthIncludingAddNew() || row < 0 || cell >= columns.length || cell < 0) {\n\t      return false;\n\t    }\n\t\n\t    var rowMetadata = data.getItemMetadata && data.getItemMetadata(row);\n\t    if (rowMetadata && typeof rowMetadata.focusable === \"boolean\") {\n\t      return rowMetadata.focusable;\n\t    }\n\t\n\t    var columnMetadata = rowMetadata && rowMetadata.columns;\n\t    if (columnMetadata && columns[cell] && columnMetadata[columns[cell].id] && typeof columnMetadata[columns[cell].id].focusable === \"boolean\") {\n\t      return columnMetadata[columns[cell].id].focusable;\n\t    }\n\t    if (columnMetadata && columnMetadata[cell] && typeof columnMetadata[cell].focusable === \"boolean\") {\n\t      return columnMetadata[cell].focusable;\n\t    }\n\t\n\t    return columns[cell] && columns[cell].focusable;\n\t  }\n\t\n\t  function canCellBeSelected(row, cell) {\n\t    if (row >= getDataLength() || row < 0 || cell >= columns.length || cell < 0) {\n\t      return false;\n\t    }\n\t\n\t    var rowMetadata = data.getItemMetadata && data.getItemMetadata(row);\n\t    if (rowMetadata && typeof rowMetadata.selectable === \"boolean\") {\n\t      return rowMetadata.selectable;\n\t    }\n\t\n\t    var columnMetadata = rowMetadata && rowMetadata.columns && (rowMetadata.columns[columns[cell].id] || rowMetadata.columns[cell]);\n\t    if (columnMetadata && typeof columnMetadata.selectable === \"boolean\") {\n\t      return columnMetadata.selectable;\n\t    }\n\t\n\t    return columns[cell].selectable;\n\t  }\n\t\n\t  function gotoCell(row, cell, forceEdit) {\n\t    if (!initialized) {\n\t      return;\n\t    }\n\t    if (!canCellBeActive(row, cell)) {\n\t      return;\n\t    }\n\t\n\t    if (!getEditorLock().commitCurrentEdit()) {\n\t      return;\n\t    }\n\t\n\t    scrollCellIntoView(row, cell, false);\n\t\n\t    var newCell = getCellNode(row, cell);\n\t\n\t    // if selecting the 'add new' row, start editing right away\n\t    setActiveCellInternal(newCell, forceEdit || row === getDataLength() || options.autoEdit);\n\t\n\t    // if no editor was created, set the focus back on the grid\n\t    if (!currentEditor) {\n\t      setFocus();\n\t    }\n\t  }\n\t\n\t  //////////////////////////////////////////////////////////////////////////////////////////////\n\t  // IEditor implementation for the editor lock\n\t\n\t  function commitCurrentEdit() {\n\t    var item = getDataItem(activeRow);\n\t    var column = columns[activeCell];\n\t\n\t    if (currentEditor) {\n\t      if (currentEditor.isValueChanged()) {\n\t        var validationResults = currentEditor.validate();\n\t\n\t        if (validationResults.valid) {\n\t          if (activeRow < getDataLength()) {\n\t            var editCommand = {\n\t              row: activeRow,\n\t              cell: activeCell,\n\t              editor: currentEditor,\n\t              serializedValue: currentEditor.serializeValue(),\n\t              prevSerializedValue: serializedEditorValue,\n\t              execute: function execute() {\n\t                this.editor.applyValue(item, this.serializedValue);\n\t                updateRow(this.row);\n\t                trigger(self.onCellChange, {\n\t                  row: activeRow,\n\t                  cell: activeCell,\n\t                  item: item\n\t                });\n\t              },\n\t              undo: function undo() {\n\t                this.editor.applyValue(item, this.prevSerializedValue);\n\t                updateRow(this.row);\n\t                trigger(self.onCellChange, {\n\t                  row: activeRow,\n\t                  cell: activeCell,\n\t                  item: item\n\t                });\n\t              }\n\t            };\n\t\n\t            if (options.editCommandHandler) {\n\t              makeActiveCellNormal();\n\t              options.editCommandHandler(item, column, editCommand);\n\t            } else {\n\t              editCommand.execute();\n\t              makeActiveCellNormal();\n\t            }\n\t          } else {\n\t            var newItem = {};\n\t            currentEditor.applyValue(newItem, currentEditor.serializeValue());\n\t            makeActiveCellNormal();\n\t            trigger(self.onAddNewRow, {\n\t              item: newItem,\n\t              column: column\n\t            });\n\t          }\n\t\n\t          // check whether the lock has been re-acquired by event handlers\n\t          return !getEditorLock().isActive();\n\t        } else {\n\t          // Re-add the CSS class to trigger transitions, if any.\n\t          (0, _jquery2.default)(activeCellNode).removeClass(\"invalid\");\n\t          (0, _jquery2.default)(activeCellNode).width(); // force layout\n\t          (0, _jquery2.default)(activeCellNode).addClass(\"invalid\");\n\t\n\t          trigger(self.onValidationError, {\n\t            editor: currentEditor,\n\t            cellNode: activeCellNode,\n\t            validationResults: validationResults,\n\t            row: activeRow,\n\t            cell: activeCell,\n\t            column: column\n\t          });\n\t\n\t          currentEditor.focus();\n\t          return false;\n\t        }\n\t      }\n\t\n\t      makeActiveCellNormal();\n\t    }\n\t    return true;\n\t  }\n\t\n\t  function cancelCurrentEdit() {\n\t    makeActiveCellNormal();\n\t    return true;\n\t  }\n\t\n\t  function rowsToRanges(rows) {\n\t    var ranges = [];\n\t    var lastCell = columns.length - 1;\n\t    for (var i = 0; i < rows.length; i++) {\n\t      ranges.push(new _slick2.default.Range(rows[i], 0, rows[i], lastCell));\n\t    }\n\t    return ranges;\n\t  }\n\t\n\t  function getSelectedRows() {\n\t    if (!selectionModel) {\n\t      throw \"Selection model is not set\";\n\t    }\n\t    return selectedRows;\n\t  }\n\t\n\t  function setSelectedRows(rows) {\n\t    if (!selectionModel) {\n\t      throw \"Selection model is not set\";\n\t    }\n\t    selectionModel.setSelectedRanges(rowsToRanges(rows));\n\t  }\n\t\n\t  //////////////////////////////////////////////////////////////////////////////////////////////\n\t  // Debug\n\t\n\t  this.debug = function () {\n\t    var s = \"\";\n\t\n\t    s += \"\\n\" + \"counter_rows_rendered:  \" + counter_rows_rendered;\n\t    s += \"\\n\" + \"counter_rows_removed:  \" + counter_rows_removed;\n\t    s += \"\\n\" + \"renderedRows:  \" + renderedRows;\n\t    s += \"\\n\" + \"numVisibleRows:  \" + numVisibleRows;\n\t    s += \"\\n\" + \"maxSupportedCssHeight:  \" + maxSupportedCssHeight;\n\t    s += \"\\n\" + \"n(umber of pages):  \" + n;\n\t    s += \"\\n\" + \"(current) page:  \" + page;\n\t    s += \"\\n\" + \"page height (ph):  \" + ph;\n\t    s += \"\\n\" + \"vScrollDir:  \" + vScrollDir;\n\t\n\t    alert(s);\n\t  };\n\t\n\t  // a debug helper to be able to access private members\n\t  this.eval = function (expr) {\n\t    return eval(expr);\n\t  };\n\t\n\t  //////////////////////////////////////////////////////////////////////////////////////////////\n\t  // Public API\n\t\n\t  _jquery2.default.extend(this, {\n\t    \"slickGridVersion\": \"2.1\",\n\t\n\t    // Events\n\t    \"onScroll\": new _slick2.default.Event(),\n\t    \"onSort\": new _slick2.default.Event(),\n\t    \"onHeaderMouseEnter\": new _slick2.default.Event(),\n\t    \"onHeaderMouseLeave\": new _slick2.default.Event(),\n\t    \"onHeaderContextMenu\": new _slick2.default.Event(),\n\t    \"onHeaderClick\": new _slick2.default.Event(),\n\t    \"onHeaderCellRendered\": new _slick2.default.Event(),\n\t    \"onBeforeHeaderCellDestroy\": new _slick2.default.Event(),\n\t    \"onHeaderRowCellRendered\": new _slick2.default.Event(),\n\t    \"onFooterRowCellRendered\": new _slick2.default.Event(),\n\t    \"onBeforeHeaderRowCellDestroy\": new _slick2.default.Event(),\n\t    \"onBeforeFooterRowCellDestroy\": new _slick2.default.Event(),\n\t    \"onMouseEnter\": new _slick2.default.Event(),\n\t    \"onMouseLeave\": new _slick2.default.Event(),\n\t    \"onClick\": new _slick2.default.Event(),\n\t    \"onDblClick\": new _slick2.default.Event(),\n\t    \"onContextMenu\": new _slick2.default.Event(),\n\t    \"onKeyDown\": new _slick2.default.Event(),\n\t    \"onAddNewRow\": new _slick2.default.Event(),\n\t    \"onValidationError\": new _slick2.default.Event(),\n\t    \"onViewportChanged\": new _slick2.default.Event(),\n\t    \"onColumnsReordered\": new _slick2.default.Event(),\n\t    \"onColumnsResized\": new _slick2.default.Event(),\n\t    \"onCellChange\": new _slick2.default.Event(),\n\t    \"onBeforeEditCell\": new _slick2.default.Event(),\n\t    \"onBeforeCellEditorDestroy\": new _slick2.default.Event(),\n\t    \"onBeforeDestroy\": new _slick2.default.Event(),\n\t    \"onActiveCellChanged\": new _slick2.default.Event(),\n\t    \"onActiveCellPositionChanged\": new _slick2.default.Event(),\n\t    \"onDragInit\": new _slick2.default.Event(),\n\t    \"onDragStart\": new _slick2.default.Event(),\n\t    \"onDrag\": new _slick2.default.Event(),\n\t    \"onDragEnd\": new _slick2.default.Event(),\n\t    \"onSelectedRowsChanged\": new _slick2.default.Event(),\n\t    \"onCellCssStylesChanged\": new _slick2.default.Event(),\n\t\n\t    // Methods\n\t    \"registerPlugin\": registerPlugin,\n\t    \"unregisterPlugin\": unregisterPlugin,\n\t    \"getColumns\": getColumns,\n\t    \"setColumns\": setColumns,\n\t    \"getColumnIndex\": getColumnIndex,\n\t    \"updateColumnHeader\": updateColumnHeader,\n\t    \"setSortColumn\": setSortColumn,\n\t    \"setSortColumns\": setSortColumns,\n\t    \"getSortColumns\": getSortColumns,\n\t    \"autosizeColumns\": autosizeColumns,\n\t    \"getOptions\": getOptions,\n\t    \"setOptions\": setOptions,\n\t    \"getData\": getData,\n\t    \"getDataLength\": getDataLength,\n\t    \"getDataItem\": getDataItem,\n\t    \"setData\": setData,\n\t    \"getSelectionModel\": getSelectionModel,\n\t    \"setSelectionModel\": setSelectionModel,\n\t    \"getSelectedRows\": getSelectedRows,\n\t    \"setSelectedRows\": setSelectedRows,\n\t    \"getContainerNode\": getContainerNode,\n\t\n\t    \"render\": render,\n\t    \"invalidate\": invalidate,\n\t    \"invalidateRow\": invalidateRow,\n\t    \"invalidateRows\": invalidateRows,\n\t    \"invalidateAllRows\": invalidateAllRows,\n\t    \"updateCell\": updateCell,\n\t    \"updateRow\": updateRow,\n\t    \"getViewport\": getVisibleRange,\n\t    \"getRenderedRange\": getRenderedRange,\n\t    \"resizeCanvas\": resizeCanvas,\n\t    \"updateRowCount\": updateRowCount,\n\t    \"scrollRowIntoView\": scrollRowIntoView,\n\t    \"scrollRowToTop\": scrollRowToTop,\n\t    \"scrollCellIntoView\": scrollCellIntoView,\n\t    \"getCanvasNode\": getCanvasNode,\n\t    \"getCanvases\": getCanvases,\n\t    \"getActiveCanvasNode\": getActiveCanvasNode,\n\t    \"setActiveCanvasNode\": setActiveCanvasNode,\n\t    \"getViewportNode\": getViewportNode,\n\t    \"getActiveViewportNode\": getActiveViewportNode,\n\t    \"setActiveViewportNode\": setActiveViewportNode,\n\t    \"focus\": setFocus,\n\t\n\t    \"getCellFromPoint\": getCellFromPoint,\n\t    \"getCellFromEvent\": getCellFromEvent,\n\t    \"getActiveCell\": getActiveCell,\n\t    \"setActiveCell\": setActiveCell,\n\t    \"getActiveCellNode\": getActiveCellNode,\n\t    \"getActiveCellPosition\": getActiveCellPosition,\n\t    \"resetActiveCell\": resetActiveCell,\n\t    \"editActiveCell\": makeActiveCellEditable,\n\t    \"getCellEditor\": getCellEditor,\n\t    \"getCellNode\": getCellNode,\n\t    \"getCellNodeBox\": getCellNodeBox,\n\t    \"canCellBeSelected\": canCellBeSelected,\n\t    \"canCellBeActive\": canCellBeActive,\n\t    \"navigatePrev\": navigatePrev,\n\t    \"navigateNext\": navigateNext,\n\t    \"navigateUp\": navigateUp,\n\t    \"navigateDown\": navigateDown,\n\t    \"navigateLeft\": navigateLeft,\n\t    \"navigateRight\": navigateRight,\n\t    \"navigatePageUp\": navigatePageUp,\n\t    \"navigatePageDown\": navigatePageDown,\n\t    \"gotoCell\": gotoCell,\n\t    \"getTopPanel\": getTopPanel,\n\t    \"setTopPanelVisibility\": setTopPanelVisibility,\n\t    \"setHeaderRowVisibility\": setHeaderRowVisibility,\n\t    \"getHeaderRow\": getHeaderRow,\n\t    \"getHeaderRowColumn\": getHeaderRowColumn,\n\t    \"setFooterRowVisibility\": setFooterRowVisibility,\n\t    \"getFooterRow\": getFooterRow,\n\t    \"getFooterRowColumn\": getFooterRowColumn,\n\t    \"getGridPosition\": getGridPosition,\n\t    \"flashCell\": flashCell,\n\t    \"addCellCssStyles\": addCellCssStyles,\n\t    \"setCellCssStyles\": setCellCssStyles,\n\t    \"removeCellCssStyles\": removeCellCssStyles,\n\t    \"getCellCssStyles\": getCellCssStyles,\n\t    \"getFrozenRowOffset\": getFrozenRowOffset,\n\t\n\t    \"init\": finishInitialization,\n\t    \"destroy\": destroy,\n\t\n\t    // IEditor implementation\n\t    \"getEditorLock\": getEditorLock,\n\t    \"getEditController\": getEditController\n\t  });\n\t\n\t  init();\n\t}\n\n/***/ }),\n/* 27 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tObject.defineProperty(exports, \"__esModule\", {\n\t  value: true\n\t});\n\t\n\tvar _slick = __webpack_require__(1);\n\t\n\tvar _slick2 = _interopRequireDefault(_slick);\n\t\n\tvar _jquery = __webpack_require__(2);\n\t\n\tvar _jquery2 = _interopRequireDefault(_jquery);\n\t\n\tvar _slick3 = __webpack_require__(31);\n\t\n\tvar _slick4 = _interopRequireDefault(_slick3);\n\t\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\t\n\tvar Aggregators = {\n\t  Avg: AvgAggregator,\n\t  Min: MinAggregator,\n\t  Max: MaxAggregator,\n\t  Sum: SumAggregator\n\t};\n\t\n\tvar Data = {\n\t  DataView: DataView,\n\t  GroupMetaDataProvider: _slick4.default,\n\t  Aggregators: Aggregators\n\t};\n\t\n\texports.default = Data;\n\t\n\t/** *\r\n\t * A sample Model implementation.\r\n\t * Provides a filtered view of the underlying data.\r\n\t *\r\n\t * Relies on the data item having an \"id\" property uniquely identifying it.\r\n\t */\n\t\n\tfunction DataView(options) {\n\t  var self = this;\n\t\n\t  var defaults = {\n\t    groupItemMetadataProvider: null,\n\t    inlineFilters: false\n\t  };\n\t\n\t  // private\n\t  var idProperty = 'id'; // property holding a unique row id\n\t  var items = []; // data by index\n\t  var rows = []; // data by row\n\t  var idxById = {}; // indexes by id\n\t  var rowsById = null; // rows by id; lazy-calculated\n\t  var filter = null; // filter function\n\t  var updated = null; // updated item ids\n\t  var suspend = false; // suspends the recalculation\n\t  var sortAsc = true;\n\t  var fastSortField = void 0;\n\t  var sortComparer = void 0;\n\t  var refreshHints = {};\n\t  var prevRefreshHints = {};\n\t  var filterArgs = void 0;\n\t  var filteredItems = [];\n\t  var compiledFilter = void 0;\n\t  var compiledFilterWithCaching = void 0;\n\t  var filterCache = [];\n\t\n\t  // grouping\n\t  var groupingInfoDefaults = {\n\t    getter: null,\n\t    formatter: null,\n\t    comparer: function comparer(a, b) {\n\t      return a.value === b.value ? 0 : a.value > b.value ? 1 : -1;\n\t    },\n\t    predefinedValues: [],\n\t    aggregators: [],\n\t    aggregateEmpty: false,\n\t    aggregateCollapsed: false,\n\t    aggregateChildGroups: false,\n\t    collapsed: false,\n\t    displayTotalsRow: true,\n\t    lazyTotalsCalculation: false\n\t  };\n\t  var groupingInfos = [];\n\t  var groups = [];\n\t  var toggledGroupsByLevel = [];\n\t  var groupingDelimiter = ':|:';\n\t\n\t  var pagesize = 0;\n\t  var pagenum = 0;\n\t  var totalRows = 0;\n\t\n\t  // events\n\t  var onRowCountChanged = new _slick2.default.Event();\n\t  var onRowsChanged = new _slick2.default.Event();\n\t  var onPagingInfoChanged = new _slick2.default.Event();\n\t\n\t  options = _jquery2.default.extend(true, {}, defaults, options);\n\t\n\t  function beginUpdate() {\n\t    suspend = true;\n\t  }\n\t\n\t  function endUpdate() {\n\t    suspend = false;\n\t    refresh();\n\t  }\n\t\n\t  function setRefreshHints(hints) {\n\t    refreshHints = hints;\n\t  }\n\t\n\t  function setFilterArgs(args) {\n\t    filterArgs = args;\n\t  }\n\t\n\t  function updateIdxById(startingIndex) {\n\t    startingIndex = startingIndex || 0;\n\t    var id = void 0;\n\t    for (var i = startingIndex, l = items.length; i < l; i++) {\n\t      id = items[i][idProperty];\n\t      if (id === undefined) {\n\t        throw \"Each data element must implement a unique 'id' property\";\n\t      }\n\t      idxById[id] = i;\n\t    }\n\t  }\n\t\n\t  function ensureIdUniqueness() {\n\t    var id = void 0;\n\t    for (var i = 0, l = items.length; i < l; i++) {\n\t      id = items[i][idProperty];\n\t      if (id === undefined || idxById[id] !== i) {\n\t        throw \"Each data element must implement a unique 'id' property\";\n\t      }\n\t    }\n\t  }\n\t\n\t  function getItems() {\n\t    return items;\n\t  }\n\t\n\t  function setItems(data, objectIdProperty) {\n\t    if (objectIdProperty !== undefined) {\n\t      idProperty = objectIdProperty;\n\t    }\n\t    items = filteredItems = data;\n\t    idxById = {};\n\t    updateIdxById();\n\t    ensureIdUniqueness();\n\t    refresh();\n\t  }\n\t\n\t  function setPagingOptions(args) {\n\t    if (args.pageSize != undefined) {\n\t      pagesize = args.pageSize;\n\t      pagenum = pagesize ? Math.min(pagenum, Math.max(0, Math.ceil(totalRows / pagesize) - 1)) : 0;\n\t    }\n\t\n\t    if (args.pageNum != undefined) {\n\t      pagenum = Math.min(args.pageNum, Math.max(0, Math.ceil(totalRows / pagesize) - 1));\n\t    }\n\t\n\t    onPagingInfoChanged.notify(getPagingInfo(), null, self);\n\t\n\t    refresh();\n\t  }\n\t\n\t  function getPagingInfo() {\n\t    var totalPages = pagesize ? Math.max(1, Math.ceil(totalRows / pagesize)) : 1;\n\t    return { pageSize: pagesize, pageNum: pagenum, totalRows: totalRows, totalPages: totalPages, dataView: self };\n\t  }\n\t\n\t  function sort(comparer, ascending) {\n\t    sortAsc = ascending;\n\t    sortComparer = comparer;\n\t    fastSortField = null;\n\t    if (ascending === false) {\n\t      items.reverse();\n\t    }\n\t    items.sort(comparer);\n\t    if (ascending === false) {\n\t      items.reverse();\n\t    }\n\t    idxById = {};\n\t    updateIdxById();\n\t    refresh();\n\t  }\n\t\n\t  /** *\r\n\t   * Provides a workaround for the extremely slow sorting in IE.\r\n\t   * Does a [lexicographic] sort on a give column by temporarily overriding Object.prototype.toString\r\n\t   * to return the value of that field and then doing a native Array.sort().\r\n\t   */\n\t  function fastSort(field, ascending) {\n\t    sortAsc = ascending;\n\t    fastSortField = field;\n\t    sortComparer = null;\n\t    var oldToString = Object.prototype.toString;\n\t    Object.prototype.toString = typeof field == 'function' ? field : function () {\n\t      return this[field];\n\t    };\n\t    // an extra reversal for descending sort keeps the sort stable\n\t    // (assuming a stable native sort implementation, which isn't true in some cases)\n\t    if (ascending === false) {\n\t      items.reverse();\n\t    }\n\t    items.sort();\n\t    Object.prototype.toString = oldToString;\n\t    if (ascending === false) {\n\t      items.reverse();\n\t    }\n\t    idxById = {};\n\t    updateIdxById();\n\t    refresh();\n\t  }\n\t\n\t  function reSort() {\n\t    if (sortComparer) {\n\t      sort(sortComparer, sortAsc);\n\t    } else if (fastSortField) {\n\t      fastSort(fastSortField, sortAsc);\n\t    }\n\t  }\n\t\n\t  function setFilter(filterFn) {\n\t    filter = filterFn;\n\t    if (options.inlineFilters) {\n\t      compiledFilter = compileFilter();\n\t      compiledFilterWithCaching = compileFilterWithCaching();\n\t    }\n\t    refresh();\n\t  }\n\t\n\t  function getGrouping() {\n\t    return groupingInfos;\n\t  }\n\t\n\t  function setGrouping(groupingInfo) {\n\t    if (!options.groupItemMetadataProvider) {\n\t      options.groupItemMetadataProvider = new Data.GroupItemMetadataProvider();\n\t    }\n\t\n\t    groups = [];\n\t    toggledGroupsByLevel = [];\n\t    groupingInfo = groupingInfo || [];\n\t    groupingInfos = groupingInfo instanceof Array ? groupingInfo : [groupingInfo];\n\t\n\t    for (var i = 0; i < groupingInfos.length; i++) {\n\t      var gi = groupingInfos[i] = _jquery2.default.extend(true, {}, groupingInfoDefaults, groupingInfos[i]);\n\t      gi.getterIsAFn = typeof gi.getter === 'function';\n\t\n\t      // pre-compile accumulator loops\n\t      gi.compiledAccumulators = [];\n\t      var idx = gi.aggregators.length;\n\t      while (idx--) {\n\t        gi.compiledAccumulators[idx] = compileAccumulatorLoop(gi.aggregators[idx]);\n\t      }\n\t\n\t      toggledGroupsByLevel[i] = {};\n\t    }\n\t\n\t    refresh();\n\t  }\n\t\n\t  /**\r\n\t   * @deprecated Please use {@link setGrouping}.\r\n\t   */\n\t  function groupBy(valueGetter, valueFormatter, sortComparer) {\n\t    if (valueGetter == null) {\n\t      setGrouping([]);\n\t      return;\n\t    }\n\t\n\t    setGrouping({\n\t      getter: valueGetter,\n\t      formatter: valueFormatter,\n\t      comparer: sortComparer\n\t    });\n\t  }\n\t\n\t  /**\r\n\t   * @deprecated Please use {@link setGrouping}.\r\n\t   */\n\t  function setAggregators(groupAggregators, includeCollapsed) {\n\t    if (!groupingInfos.length) {\n\t      throw new Error('At least one grouping must be specified before calling setAggregators().');\n\t    }\n\t\n\t    groupingInfos[0].aggregators = groupAggregators;\n\t    groupingInfos[0].aggregateCollapsed = includeCollapsed;\n\t\n\t    setGrouping(groupingInfos);\n\t  }\n\t\n\t  function getItemByIdx(i) {\n\t    return items[i];\n\t  }\n\t\n\t  function getIdxById(id) {\n\t    return idxById[id];\n\t  }\n\t\n\t  function ensureRowsByIdCache() {\n\t    if (!rowsById) {\n\t      rowsById = {};\n\t      for (var i = 0, l = rows.length; i < l; i++) {\n\t        rowsById[rows[i][idProperty]] = i;\n\t      }\n\t    }\n\t  }\n\t\n\t  function getRowById(id) {\n\t    ensureRowsByIdCache();\n\t    return rowsById[id];\n\t  }\n\t\n\t  function getItemById(id) {\n\t    return items[idxById[id]];\n\t  }\n\t\n\t  function mapIdsToRows(idArray) {\n\t    var rows = [];\n\t    ensureRowsByIdCache();\n\t    for (var i = 0, l = idArray.length; i < l; i++) {\n\t      var row = rowsById[idArray[i]];\n\t      if (row != null) {\n\t        rows[rows.length] = row;\n\t      }\n\t    }\n\t    return rows;\n\t  }\n\t\n\t  function mapRowsToIds(rowArray) {\n\t    var ids = [];\n\t    for (var i = 0, l = rowArray.length; i < l; i++) {\n\t      if (rowArray[i] < rows.length) {\n\t        ids[ids.length] = rows[rowArray[i]][idProperty];\n\t      }\n\t    }\n\t    return ids;\n\t  }\n\t\n\t  function updateItem(id, item) {\n\t    if (idxById[id] === undefined || id !== item[idProperty]) {\n\t      throw 'Invalid or non-matching id';\n\t    }\n\t    items[idxById[id]] = item;\n\t    if (!updated) {\n\t      updated = {};\n\t    }\n\t    updated[id] = true;\n\t    refresh();\n\t  }\n\t\n\t  function insertItem(insertBefore, item) {\n\t    items.splice(insertBefore, 0, item);\n\t    updateIdxById(insertBefore);\n\t    refresh();\n\t  }\n\t\n\t  function addItem(item) {\n\t    items.push(item);\n\t    updateIdxById(items.length - 1);\n\t    refresh();\n\t  }\n\t\n\t  function deleteItem(id) {\n\t    var idx = idxById[id];\n\t    if (idx === undefined) {\n\t      throw 'Invalid id';\n\t    }\n\t    delete idxById[id];\n\t    items.splice(idx, 1);\n\t    updateIdxById(idx);\n\t    refresh();\n\t  }\n\t\n\t  function getLength() {\n\t    return rows.length;\n\t  }\n\t\n\t  function getItem(i) {\n\t    var item = rows[i];\n\t\n\t    // if this is a group row, make sure totals are calculated and update the title\n\t    if (item && item.__group && item.totals && !item.totals.initialized) {\n\t      var gi = groupingInfos[item.level];\n\t      if (!gi.displayTotalsRow) {\n\t        calculateTotals(item.totals);\n\t        item.title = gi.formatter ? gi.formatter(item) : item.value;\n\t      }\n\t    }\n\t    // if this is a totals row, make sure it's calculated\n\t    else if (item && item.__groupTotals && !item.initialized) {\n\t        calculateTotals(item);\n\t      }\n\t\n\t    return item;\n\t  }\n\t\n\t  function getItemMetadata(i) {\n\t    var item = rows[i];\n\t    if (item === undefined) {\n\t      return null;\n\t    }\n\t\n\t    // overrides for grouping rows\n\t    if (item.__group) {\n\t      return options.groupItemMetadataProvider.getGroupRowMetadata(item);\n\t    }\n\t\n\t    // overrides for totals rows\n\t    if (item.__groupTotals) {\n\t      return options.groupItemMetadataProvider.getTotalsRowMetadata(item);\n\t    }\n\t\n\t    return null;\n\t  }\n\t\n\t  function expandCollapseAllGroups(level, collapse) {\n\t    if (level == null) {\n\t      for (var i = 0; i < groupingInfos.length; i++) {\n\t        toggledGroupsByLevel[i] = {};\n\t        groupingInfos[i].collapsed = collapse;\n\t      }\n\t    } else {\n\t      toggledGroupsByLevel[level] = {};\n\t      groupingInfos[level].collapsed = collapse;\n\t    }\n\t    refresh();\n\t  }\n\t\n\t  /**\r\n\t   * @param level {Number} Optional level to collapse.  If not specified, applies to all levels.\r\n\t   */\n\t  function collapseAllGroups(level) {\n\t    expandCollapseAllGroups(level, true);\n\t  }\n\t\n\t  /**\r\n\t   * @param level {Number} Optional level to expand.  If not specified, applies to all levels.\r\n\t   */\n\t  function expandAllGroups(level) {\n\t    expandCollapseAllGroups(level, false);\n\t  }\n\t\n\t  function expandCollapseGroup(level, groupingKey, collapse) {\n\t    toggledGroupsByLevel[level][groupingKey] = groupingInfos[level].collapsed ^ collapse;\n\t    refresh();\n\t  }\n\t\n\t  /**\r\n\t   * @param letArgs Either a Slick.Group's \"groupingKey\" property, or a\r\n\t   *     letiable argument list of grouping values denoting a unique path to the row.  For\r\n\t   *     example, calling collapseGroup('high', '10%') will collapse the '10%' subgroup of\r\n\t   *     the 'high' group.\r\n\t   */\n\t  function collapseGroup(letArgs) {\n\t    var args = Array.prototype.slice.call(arguments);\n\t    var arg0 = args[0];\n\t    if (args.length == 1 && arg0.indexOf(groupingDelimiter) != -1) {\n\t      expandCollapseGroup(arg0.split(groupingDelimiter).length - 1, arg0, true);\n\t    } else {\n\t      expandCollapseGroup(args.length - 1, args.join(groupingDelimiter), true);\n\t    }\n\t  }\n\t\n\t  /**\r\n\t   * @param letArgs Either a Slick.Group's \"groupingKey\" property, or a\r\n\t   *     letiable argument list of grouping values denoting a unique path to the row.  For\r\n\t   *     example, calling expandGroup('high', '10%') will expand the '10%' subgroup of\r\n\t   *     the 'high' group.\r\n\t   */\n\t  function expandGroup(letArgs) {\n\t    var args = Array.prototype.slice.call(arguments);\n\t    var arg0 = args[0];\n\t    if (args.length == 1 && arg0.indexOf(groupingDelimiter) != -1) {\n\t      expandCollapseGroup(arg0.split(groupingDelimiter).length - 1, arg0, false);\n\t    } else {\n\t      expandCollapseGroup(args.length - 1, args.join(groupingDelimiter), false);\n\t    }\n\t  }\n\t\n\t  function getGroups() {\n\t    return groups;\n\t  }\n\t\n\t  function extractGroups(rows, parentGroup) {\n\t    var group = void 0;\n\t    var val = void 0;\n\t    var groups = [];\n\t    var groupsByVal = {};\n\t    var r = void 0;\n\t    var level = parentGroup ? parentGroup.level + 1 : 0;\n\t    var gi = groupingInfos[level];\n\t\n\t    for (var i = 0, l = gi.predefinedValues.length; i < l; i++) {\n\t      val = gi.predefinedValues[i];\n\t      group = groupsByVal[val];\n\t      if (!group) {\n\t        group = new _slick2.default.Group();\n\t        group.value = val;\n\t        group.level = level;\n\t        group.groupingKey = (parentGroup ? parentGroup.groupingKey + groupingDelimiter : '') + val;\n\t        groups[groups.length] = group;\n\t        groupsByVal[val] = group;\n\t      }\n\t    }\n\t\n\t    for (var _i = 0, _l = rows.length; _i < _l; _i++) {\n\t      r = rows[_i];\n\t      val = gi.getterIsAFn ? gi.getter(r) : r[gi.getter];\n\t      group = groupsByVal[val];\n\t      if (!group) {\n\t        group = new _slick2.default.Group();\n\t        group.value = val;\n\t        group.level = level;\n\t        group.groupingKey = (parentGroup ? parentGroup.groupingKey + groupingDelimiter : '') + val;\n\t        groups[groups.length] = group;\n\t        groupsByVal[val] = group;\n\t      }\n\t\n\t      group.rows[group.count++] = r;\n\t    }\n\t\n\t    if (level < groupingInfos.length - 1) {\n\t      for (var _i2 = 0; _i2 < groups.length; _i2++) {\n\t        group = groups[_i2];\n\t        group.groups = extractGroups(group.rows, group);\n\t      }\n\t    }\n\t\n\t    groups.sort(groupingInfos[level].comparer);\n\t\n\t    return groups;\n\t  }\n\t\n\t  function calculateTotals(totals) {\n\t    var group = totals.group;\n\t    var gi = groupingInfos[group.level];\n\t    var isLeafLevel = group.level == groupingInfos.length;\n\t    var agg = void 0,\n\t        idx = gi.aggregators.length;\n\t\n\t    if (!isLeafLevel && gi.aggregateChildGroups) {\n\t      // make sure all the subgroups are calculated\n\t      var i = group.groups.length;\n\t      while (i--) {\n\t        if (!group.groups[i].totals.initialized) {\n\t          calculateTotals(group.groups[i].totals);\n\t        }\n\t      }\n\t    }\n\t\n\t    while (idx--) {\n\t      agg = gi.aggregators[idx];\n\t      agg.init();\n\t      if (!isLeafLevel && gi.aggregateChildGroups) {\n\t        gi.compiledAccumulators[idx].call(agg, group.groups);\n\t      } else {\n\t        gi.compiledAccumulators[idx].call(agg, group.rows);\n\t      }\n\t      agg.storeResult(totals);\n\t    }\n\t    totals.initialized = true;\n\t  }\n\t\n\t  function addGroupTotals(group) {\n\t    var gi = groupingInfos[group.level];\n\t    var totals = new _slick2.default.GroupTotals();\n\t    totals.group = group;\n\t    group.totals = totals;\n\t    if (!gi.lazyTotalsCalculation) {\n\t      calculateTotals(totals);\n\t    }\n\t  }\n\t\n\t  function addTotals(groups, level) {\n\t    level = level || 0;\n\t    var gi = groupingInfos[level];\n\t    var groupCollapsed = gi.collapsed;\n\t    var toggledGroups = toggledGroupsByLevel[level];\n\t    var idx = groups.length,\n\t        g = void 0;\n\t    while (idx--) {\n\t      g = groups[idx];\n\t\n\t      if (g.collapsed && !gi.aggregateCollapsed) {\n\t        continue;\n\t      }\n\t\n\t      // Do a depth-first aggregation so that parent group aggregators can access subgroup totals.\n\t      if (g.groups) {\n\t        addTotals(g.groups, level + 1);\n\t      }\n\t\n\t      if (gi.aggregators.length && (gi.aggregateEmpty || g.rows.length || g.groups && g.groups.length)) {\n\t        addGroupTotals(g);\n\t      }\n\t\n\t      g.collapsed = groupCollapsed ^ toggledGroups[g.groupingKey];\n\t      g.title = gi.formatter ? gi.formatter(g) : g.value;\n\t    }\n\t  }\n\t\n\t  function flattenGroupedRows(groups, level) {\n\t    level = level || 0;\n\t    var gi = groupingInfos[level];\n\t    var groupedRows = [],\n\t        rows = void 0,\n\t        gl = 0,\n\t        g = void 0;\n\t    for (var i = 0, l = groups.length; i < l; i++) {\n\t      g = groups[i];\n\t      groupedRows[gl++] = g;\n\t\n\t      if (!g.collapsed) {\n\t        rows = g.groups ? flattenGroupedRows(g.groups, level + 1) : g.rows;\n\t        for (var j = 0, jj = rows.length; j < jj; j++) {\n\t          groupedRows[gl++] = rows[j];\n\t        }\n\t      }\n\t\n\t      if (g.totals && gi.displayTotalsRow && (!g.collapsed || gi.aggregateCollapsed)) {\n\t        groupedRows[gl++] = g.totals;\n\t      }\n\t    }\n\t    return groupedRows;\n\t  }\n\t\n\t  function getFunctionInfo(fn) {\n\t    var fnRegex = /^function[^(]*\\(([^)]*)\\)\\s*{([\\s\\S]*)}$/;\n\t    var matches = fn.toString().match(fnRegex);\n\t    return {\n\t      params: matches[1].split(','),\n\t      body: matches[2]\n\t    };\n\t  }\n\t\n\t  function compileAccumulatorLoop(aggregator) {\n\t    var accumulatorInfo = getFunctionInfo(aggregator.accumulate);\n\t    var fn = new Function('_items', 'for (let ' + accumulatorInfo.params[0] + ', _i=0, _il=_items.length; _i<_il; _i++) {' + accumulatorInfo.params[0] + ' = _items[_i]; ' + accumulatorInfo.body + '}');\n\t    fn.displayName = 'compiledAccumulatorLoop';\n\t    return fn;\n\t  }\n\t\n\t  function compileFilter() {\n\t    var filterInfo = getFunctionInfo(filter);\n\t\n\t    var filterPath1 = '{ continue _coreloop; }$1';\n\t    var filterPath2 = '{ _retval[_idx++] = $item$; continue _coreloop; }$1';\n\t    // make some allowances for minification - there's only so far we can go with RegEx\n\t    var filterBody = filterInfo.body.replace(/return false\\s*([;}]|\\}|$)/gi, filterPath1).replace(/return!1([;}]|\\}|$)/gi, filterPath1).replace(/return true\\s*([;}]|\\}|$)/gi, filterPath2).replace(/return!0([;}]|\\}|$)/gi, filterPath2).replace(/return ([^;}]+?)\\s*([;}]|$)/gi, '{ if ($1) { _retval[_idx++] = $item$; }; continue _coreloop; }$2');\n\t\n\t    // This preserves the function template code after JS compression,\n\t    // so that replace() commands still work as expected.\n\t    var tpl = [\n\t    // \"function(_items, _args) { \",\n\t    'let _retval = [], _idx = 0; ', 'let $item$, $args$ = _args; ', '_coreloop: ', 'for (let _i = 0, _il = _items.length; _i < _il; _i++) { ', '$item$ = _items[_i]; ', '$filter$; ', '} ', 'return _retval; '\n\t    // \"}\"\n\t    ].join('');\n\t    tpl = tpl.replace(/\\$filter\\$/gi, filterBody);\n\t    tpl = tpl.replace(/\\$item\\$/gi, filterInfo.params[0]);\n\t    tpl = tpl.replace(/\\$args\\$/gi, filterInfo.params[1]);\n\t\n\t    var fn = new Function('_items,_args', tpl);\n\t    fn.displayName = 'compiledFilter';\n\t\n\t    return fn;\n\t  }\n\t\n\t  function compileFilterWithCaching() {\n\t    var filterInfo = getFunctionInfo(filter);\n\t\n\t    var filterPath1 = '{ continue _coreloop; }$1';\n\t    var filterPath2 = '{ _cache[_i] = true;_retval[_idx++] = $item$; continue _coreloop; }$1';\n\t    // make some allowances for minification - there's only so far we can go with RegEx\n\t    var filterBody = filterInfo.body.replace(/return false\\s*([;}]|\\}|$)/gi, filterPath1).replace(/return!1([;}]|\\}|$)/gi, filterPath1).replace(/return true\\s*([;}]|\\}|$)/gi, filterPath2).replace(/return!0([;}]|\\}|$)/gi, filterPath2).replace(/return ([^;}]+?)\\s*([;}]|$)/gi, '{ if ((_cache[_i] = $1)) { _retval[_idx++] = $item$; }; continue _coreloop; }$2');\n\t\n\t    // This preserves the function template code after JS compression,\n\t    // so that replace() commands still work as expected.\n\t    var tpl = [\n\t    // \"function(_items, _args, _cache) { \",\n\t    'let _retval = [], _idx = 0; ', 'let $item$, $args$ = _args; ', '_coreloop: ', 'for (let _i = 0, _il = _items.length; _i < _il; _i++) { ', '$item$ = _items[_i]; ', 'if (_cache[_i]) { ', '_retval[_idx++] = $item$; ', 'continue _coreloop; ', '} ', '$filter$; ', '} ', 'return _retval; '\n\t    // \"}\"\n\t    ].join('');\n\t    tpl = tpl.replace(/\\$filter\\$/gi, filterBody);\n\t    tpl = tpl.replace(/\\$item\\$/gi, filterInfo.params[0]);\n\t    tpl = tpl.replace(/\\$args\\$/gi, filterInfo.params[1]);\n\t\n\t    var fn = new Function('_items,_args,_cache', tpl);\n\t    fn.displayName = 'compiledFilterWithCaching';\n\t    return fn;\n\t  }\n\t\n\t  function uncompiledFilter(items, args) {\n\t    var retval = [],\n\t        idx = 0;\n\t\n\t    for (var i = 0, ii = items.length; i < ii; i++) {\n\t      if (filter(items[i], args)) {\n\t        retval[idx++] = items[i];\n\t      }\n\t    }\n\t\n\t    return retval;\n\t  }\n\t\n\t  function uncompiledFilterWithCaching(items, args, cache) {\n\t    var retval = [],\n\t        idx = 0,\n\t        item = void 0;\n\t\n\t    for (var i = 0, ii = items.length; i < ii; i++) {\n\t      item = items[i];\n\t      if (cache[i]) {\n\t        retval[idx++] = item;\n\t      } else if (filter(item, args)) {\n\t        retval[idx++] = item;\n\t        cache[i] = true;\n\t      }\n\t    }\n\t\n\t    return retval;\n\t  }\n\t\n\t  function getFilteredAndPagedItems(items) {\n\t    if (filter) {\n\t      var batchFilter = options.inlineFilters ? compiledFilter : uncompiledFilter;\n\t      var batchFilterWithCaching = options.inlineFilters ? compiledFilterWithCaching : uncompiledFilterWithCaching;\n\t\n\t      if (refreshHints.isFilterNarrowing) {\n\t        filteredItems = batchFilter(filteredItems, filterArgs);\n\t      } else if (refreshHints.isFilterExpanding) {\n\t        filteredItems = batchFilterWithCaching(items, filterArgs, filterCache);\n\t      } else if (!refreshHints.isFilterUnchanged) {\n\t        filteredItems = batchFilter(items, filterArgs);\n\t      }\n\t    } else {\n\t      // special case:  if not filtering and not paging, the resulting\n\t      // rows collection needs to be a copy so that changes due to sort\n\t      // can be caught\n\t      filteredItems = pagesize ? items : items.concat();\n\t    }\n\t\n\t    // get the current page\n\t    var paged = void 0;\n\t    if (pagesize) {\n\t      if (filteredItems.length < pagenum * pagesize) {\n\t        pagenum = Math.floor(filteredItems.length / pagesize);\n\t      }\n\t      paged = filteredItems.slice(pagesize * pagenum, pagesize * pagenum + pagesize);\n\t    } else {\n\t      paged = filteredItems;\n\t    }\n\t\n\t    return { totalRows: filteredItems.length, rows: paged };\n\t  }\n\t\n\t  function getRowDiffs(rows, newRows) {\n\t    var item = void 0,\n\t        r = void 0,\n\t        eitherIsNonData = void 0,\n\t        diff = [];\n\t    var from = 0,\n\t        to = newRows.length;\n\t\n\t    if (refreshHints && refreshHints.ignoreDiffsBefore) {\n\t      from = Math.max(0, Math.min(newRows.length, refreshHints.ignoreDiffsBefore));\n\t    }\n\t\n\t    if (refreshHints && refreshHints.ignoreDiffsAfter) {\n\t      to = Math.min(newRows.length, Math.max(0, refreshHints.ignoreDiffsAfter));\n\t    }\n\t\n\t    for (var i = from, rl = rows.length; i < to; i++) {\n\t      if (i >= rl) {\n\t        diff[diff.length] = i;\n\t      } else {\n\t        item = newRows[i];\n\t        r = rows[i];\n\t\n\t        if (groupingInfos.length && (eitherIsNonData = item.__nonDataRow || r.__nonDataRow) && item.__group !== r.__group || item.__group && !item.equals(r) || eitherIsNonData && (\n\t        // no good way to compare totals since they are arbitrary DTOs\n\t        // deep object comparison is pretty expensive\n\t        // always considering them 'dirty' seems easier for the time being\n\t        item.__groupTotals || r.__groupTotals) || item[idProperty] != r[idProperty] || updated && updated[item[idProperty]]) {\n\t          diff[diff.length] = i;\n\t        }\n\t      }\n\t    }\n\t    return diff;\n\t  }\n\t\n\t  function recalc(_items) {\n\t    rowsById = null;\n\t\n\t    if (refreshHints.isFilterNarrowing != prevRefreshHints.isFilterNarrowing || refreshHints.isFilterExpanding != prevRefreshHints.isFilterExpanding) {\n\t      filterCache = [];\n\t    }\n\t\n\t    var filteredItems = getFilteredAndPagedItems(_items);\n\t    totalRows = filteredItems.totalRows;\n\t    var newRows = filteredItems.rows;\n\t\n\t    groups = [];\n\t    if (groupingInfos.length) {\n\t      groups = extractGroups(newRows);\n\t      if (groups.length) {\n\t        addTotals(groups);\n\t        newRows = flattenGroupedRows(groups);\n\t      }\n\t    }\n\t\n\t    var diff = getRowDiffs(rows, newRows);\n\t\n\t    rows = newRows;\n\t\n\t    return diff;\n\t  }\n\t\n\t  function refresh() {\n\t    if (suspend) {\n\t      return;\n\t    }\n\t\n\t    var countBefore = rows.length;\n\t    var totalRowsBefore = totalRows;\n\t\n\t    var diff = recalc(items, filter); // pass as direct refs to avoid closure perf hit\n\t\n\t    // if the current page is no longer valid, go to last page and recalc\n\t    // we suffer a performance penalty here, but the main loop (recalc) remains highly optimized\n\t    if (pagesize && totalRows < pagenum * pagesize) {\n\t      pagenum = Math.max(0, Math.ceil(totalRows / pagesize) - 1);\n\t      diff = recalc(items, filter);\n\t    }\n\t\n\t    updated = null;\n\t    prevRefreshHints = refreshHints;\n\t    refreshHints = {};\n\t\n\t    if (totalRowsBefore !== totalRows) {\n\t      onPagingInfoChanged.notify(getPagingInfo(), null, self);\n\t    }\n\t    if (countBefore !== rows.length) {\n\t      onRowCountChanged.notify({ previous: countBefore, current: rows.length, dataView: self }, null, self);\n\t    }\n\t    if (diff.length > 0) {\n\t      onRowsChanged.notify({ rows: diff, dataView: self }, null, self);\n\t    }\n\t  }\n\t\n\t  /** *\r\n\t   * Wires the grid and the DataView together to keep row selection tied to item ids.\r\n\t   * This is useful since, without it, the grid only knows about rows, so if the items\r\n\t   * move around, the same rows stay selected instead of the selection moving along\r\n\t   * with the items.\r\n\t   *\r\n\t   * NOTE:  This doesn't work with cell selection model.\r\n\t   *\r\n\t   * @param grid {Slick.Grid} The grid to sync selection with.\r\n\t   * @param preserveHidden {Boolean} Whether to keep selected items that go out of the\r\n\t   *     view due to them getting filtered out.\r\n\t   * @param preserveHiddenOnSelectionChange {Boolean} Whether to keep selected items\r\n\t   *     that are currently out of the view (see preserveHidden) as selected when selection\r\n\t   *     changes.\r\n\t   * @return {Slick.Event} An event that notifies when an internal list of selected row ids\r\n\t   *     changes.  This is useful since, in combination with the above two options, it allows\r\n\t   *     access to the full list selected row ids, and not just the ones visible to the grid.\r\n\t   * @method syncGridSelection\r\n\t   */\n\t  function syncGridSelection(grid, preserveHidden, preserveHiddenOnSelectionChange) {\n\t    var self = this;\n\t    var inHandler = void 0;\n\t    var selectedRowIds = self.mapRowsToIds(grid.getSelectedRows());\n\t    var onSelectedRowIdsChanged = new _slick2.default.Event();\n\t\n\t    function setSelectedRowIds(rowIds) {\n\t      if (selectedRowIds.join(',') == rowIds.join(',')) {\n\t        return;\n\t      }\n\t\n\t      selectedRowIds = rowIds;\n\t\n\t      onSelectedRowIdsChanged.notify({\n\t        'grid': grid,\n\t        'ids': selectedRowIds,\n\t        'dataView': self\n\t      }, new _slick2.default.EventData(), self);\n\t    }\n\t\n\t    function update() {\n\t      if (selectedRowIds.length > 0) {\n\t        inHandler = true;\n\t        var selectedRows = self.mapIdsToRows(selectedRowIds);\n\t        if (!preserveHidden) {\n\t          setSelectedRowIds(self.mapRowsToIds(selectedRows));\n\t        }\n\t        grid.setSelectedRows(selectedRows);\n\t        inHandler = false;\n\t      }\n\t    }\n\t\n\t    grid.onSelectedRowsChanged.subscribe(function (e, args) {\n\t      if (inHandler) {\n\t        return;\n\t      }\n\t      var newSelectedRowIds = self.mapRowsToIds(grid.getSelectedRows());\n\t      if (!preserveHiddenOnSelectionChange || !grid.getOptions().multiSelect) {\n\t        setSelectedRowIds(newSelectedRowIds);\n\t      } else {\n\t        // keep the ones that are hidden\n\t        var existing = _jquery2.default.grep(selectedRowIds, function (id) {\n\t          return self.getRowById(id) === undefined;\n\t        });\n\t        // add the newly selected ones\n\t        setSelectedRowIds(existing.concat(newSelectedRowIds));\n\t      }\n\t    });\n\t\n\t    this.onRowsChanged.subscribe(update);\n\t\n\t    this.onRowCountChanged.subscribe(update);\n\t\n\t    return onSelectedRowIdsChanged;\n\t  }\n\t\n\t  function syncGridCellCssStyles(grid, key) {\n\t    var hashById = void 0;\n\t    var inHandler = void 0;\n\t\n\t    // since this method can be called after the cell styles have been set,\n\t    // get the existing ones right away\n\t    storeCellCssStyles(grid.getCellCssStyles(key));\n\t\n\t    function storeCellCssStyles(hash) {\n\t      hashById = {};\n\t      for (var row in hash) {\n\t        var id = rows[row][idProperty];\n\t        hashById[id] = hash[row];\n\t      }\n\t    }\n\t\n\t    function update() {\n\t      if (hashById) {\n\t        inHandler = true;\n\t        ensureRowsByIdCache();\n\t        var newHash = {};\n\t        for (var id in hashById) {\n\t          var row = rowsById[id];\n\t          if (row != undefined) {\n\t            newHash[row] = hashById[id];\n\t          }\n\t        }\n\t        grid.setCellCssStyles(key, newHash);\n\t        inHandler = false;\n\t      }\n\t    }\n\t\n\t    grid.onCellCssStylesChanged.subscribe(function (e, args) {\n\t      if (inHandler) {\n\t        return;\n\t      }\n\t      if (key != args.key) {\n\t        return;\n\t      }\n\t      if (args.hash) {\n\t        storeCellCssStyles(args.hash);\n\t      }\n\t    });\n\t\n\t    this.onRowsChanged.subscribe(update);\n\t\n\t    this.onRowCountChanged.subscribe(update);\n\t  }\n\t\n\t  _jquery2.default.extend(this, {\n\t    // methods\n\t    'beginUpdate': beginUpdate,\n\t    'endUpdate': endUpdate,\n\t    'setPagingOptions': setPagingOptions,\n\t    'getPagingInfo': getPagingInfo,\n\t    'getItems': getItems,\n\t    'setItems': setItems,\n\t    'setFilter': setFilter,\n\t    'sort': sort,\n\t    'fastSort': fastSort,\n\t    'reSort': reSort,\n\t    'setGrouping': setGrouping,\n\t    'getGrouping': getGrouping,\n\t    'groupBy': groupBy,\n\t    'setAggregators': setAggregators,\n\t    'collapseAllGroups': collapseAllGroups,\n\t    'expandAllGroups': expandAllGroups,\n\t    'collapseGroup': collapseGroup,\n\t    'expandGroup': expandGroup,\n\t    'getGroups': getGroups,\n\t    'getIdxById': getIdxById,\n\t    'getRowById': getRowById,\n\t    'getItemById': getItemById,\n\t    'getItemByIdx': getItemByIdx,\n\t    'mapRowsToIds': mapRowsToIds,\n\t    'mapIdsToRows': mapIdsToRows,\n\t    'setRefreshHints': setRefreshHints,\n\t    'setFilterArgs': setFilterArgs,\n\t    'refresh': refresh,\n\t    'updateItem': updateItem,\n\t    'insertItem': insertItem,\n\t    'addItem': addItem,\n\t    'deleteItem': deleteItem,\n\t    'syncGridSelection': syncGridSelection,\n\t    'syncGridCellCssStyles': syncGridCellCssStyles,\n\t\n\t    // data provider methods\n\t    'getLength': getLength,\n\t    'getItem': getItem,\n\t    'getItemMetadata': getItemMetadata,\n\t\n\t    // events\n\t    'onRowCountChanged': onRowCountChanged,\n\t    'onRowsChanged': onRowsChanged,\n\t    'onPagingInfoChanged': onPagingInfoChanged\n\t  });\n\t}\n\t\n\tfunction AvgAggregator(field) {\n\t  this.field_ = field;\n\t\n\t  this.init = function () {\n\t    this.count_ = 0;\n\t    this.nonNullCount_ = 0;\n\t    this.sum_ = 0;\n\t  };\n\t\n\t  this.accumulate = function (item) {\n\t    var val = item[this.field_];\n\t    this.count_++;\n\t    if (val != null && val !== '' && !isNaN(val)) {\n\t      this.nonNullCount_++;\n\t      this.sum_ += parseFloat(val);\n\t    }\n\t  };\n\t\n\t  this.storeResult = function (groupTotals) {\n\t    if (!groupTotals.avg) {\n\t      groupTotals.avg = {};\n\t    }\n\t    if (this.nonNullCount_ != 0) {\n\t      groupTotals.avg[this.field_] = this.sum_ / this.nonNullCount_;\n\t    }\n\t  };\n\t}\n\t\n\tfunction MinAggregator(field) {\n\t  this.field_ = field;\n\t\n\t  this.init = function () {\n\t    this.min_ = null;\n\t  };\n\t\n\t  this.accumulate = function (item) {\n\t    var val = item[this.field_];\n\t    if (val != null && val !== '' && !isNaN(val)) {\n\t      if (this.min_ == null || val < this.min_) {\n\t        this.min_ = val;\n\t      }\n\t    }\n\t  };\n\t\n\t  this.storeResult = function (groupTotals) {\n\t    if (!groupTotals.min) {\n\t      groupTotals.min = {};\n\t    }\n\t    groupTotals.min[this.field_] = this.min_;\n\t  };\n\t}\n\t\n\tfunction MaxAggregator(field) {\n\t  this.field_ = field;\n\t\n\t  this.init = function () {\n\t    this.max_ = null;\n\t  };\n\t\n\t  this.accumulate = function (item) {\n\t    var val = item[this.field_];\n\t    if (val != null && val !== '' && !isNaN(val)) {\n\t      if (this.max_ == null || val > this.max_) {\n\t        this.max_ = val;\n\t      }\n\t    }\n\t  };\n\t\n\t  this.storeResult = function (groupTotals) {\n\t    if (!groupTotals.max) {\n\t      groupTotals.max = {};\n\t    }\n\t    groupTotals.max[this.field_] = this.max_;\n\t  };\n\t}\n\t\n\tfunction SumAggregator(field) {\n\t  this.field_ = field;\n\t\n\t  this.init = function () {\n\t    this.sum_ = null;\n\t  };\n\t\n\t  this.accumulate = function (item) {\n\t    var val = item[this.field_];\n\t    if (val != null && val !== '' && !isNaN(val)) {\n\t      this.sum_ += parseFloat(val);\n\t    }\n\t  };\n\t\n\t  this.storeResult = function (groupTotals) {\n\t    if (!groupTotals.sum) {\n\t      groupTotals.sum = {};\n\t    }\n\t    groupTotals.sum[this.field_] = this.sum_;\n\t  };\n\t}\n\n/***/ }),\n/* 28 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tObject.defineProperty(exports, \"__esModule\", {\n\t  value: true\n\t});\n\t\n\tvar _slick = __webpack_require__(1);\n\t\n\tvar _slick2 = _interopRequireDefault(_slick);\n\t\n\tvar _flatpickr = __webpack_require__(32);\n\t\n\tvar _flatpickr2 = _interopRequireDefault(_flatpickr);\n\t\n\tvar _jquery = __webpack_require__(2);\n\t\n\tvar _jquery2 = _interopRequireDefault(_jquery);\n\t\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\t\n\tvar keyCode = _slick2.default.keyCode;\n\t\n\t/** *\r\n\t * Contains basic SlickGrid editors.\r\n\t * @module Editors\r\n\t * @namespace Slick\r\n\t */\n\t\n\t//import 'flatpickr/dist/flatpickr.min.css';\n\t\n\tvar Editors = {\n\t  Text: TextEditor,\n\t  Integer: IntegerEditor,\n\t  Float: FloatEditor,\n\t  Date: DateEditor,\n\t  YesNoSelect: YesNoSelectEditor,\n\t  Checkbox: CheckboxEditor,\n\t  LongText: LongTextEditor\n\t};\n\t\n\t_slick2.default.Editors = Editors;\n\texports.default = Editors;\n\t\n\t\n\tfunction TextEditor(args) {\n\t  var $input = void 0;\n\t  var defaultValue = void 0;\n\t\n\t  this.init = function () {\n\t    $input = (0, _jquery2.default)(\"<INPUT type=text class='editor-text' />\").appendTo(args.container).bind('keydown.nav', function (e) {\n\t      if (e.keyCode === keyCode.LEFT || e.keyCode === keyCode.RIGHT) {\n\t        e.stopImmediatePropagation();\n\t      }\n\t    }).focus().select();\n\t  };\n\t\n\t  this.destroy = function () {\n\t    $input.remove();\n\t  };\n\t\n\t  this.focus = function () {\n\t    $input.focus();\n\t  };\n\t\n\t  this.getValue = function () {\n\t    return $input.val();\n\t  };\n\t\n\t  this.setValue = function (val) {\n\t    $input.val(val);\n\t  };\n\t\n\t  this.loadValue = function (item) {\n\t    defaultValue = item[args.column.field] || '';\n\t    $input.val(defaultValue);\n\t    $input[0].defaultValue = defaultValue;\n\t    $input.select();\n\t  };\n\t\n\t  this.serializeValue = function () {\n\t    return $input.val();\n\t  };\n\t\n\t  this.applyValue = function (item, state) {\n\t    item[args.column.field] = state;\n\t  };\n\t\n\t  this.isValueChanged = function () {\n\t    return !($input.val() == '' && defaultValue == null) && $input.val() != defaultValue;\n\t  };\n\t\n\t  this.validate = function () {\n\t    var valid = true;\n\t    var msg = null;\n\t    if (args.column.validator) {\n\t      var validationResults = args.column.validator($input.val(), args);\n\t      valid = validationResults.valid;\n\t      msg = validationResults.msg;\n\t    }\n\t\n\t    return {\n\t      valid: true,\n\t      msg: null\n\t    };\n\t  };\n\t\n\t  this.init();\n\t}\n\t\n\tfunction IntegerEditor(args) {\n\t  var $input = void 0;\n\t  var defaultValue = void 0;\n\t\n\t  this.init = function () {\n\t    $input = (0, _jquery2.default)(\"<INPUT type=text class='editor-text' />\");\n\t\n\t    $input.bind('keydown.nav', function (e) {\n\t      if (e.keyCode === keyCode.LEFT || e.keyCode === keyCode.RIGHT) {\n\t        e.stopImmediatePropagation();\n\t      }\n\t    });\n\t\n\t    $input.appendTo(args.container);\n\t    $input.focus().select();\n\t  };\n\t\n\t  this.destroy = function () {\n\t    $input.remove();\n\t  };\n\t\n\t  this.focus = function () {\n\t    $input.focus();\n\t  };\n\t\n\t  this.loadValue = function (item) {\n\t    defaultValue = item[args.column.field];\n\t    $input.val(defaultValue);\n\t    $input[0].defaultValue = defaultValue;\n\t    $input.select();\n\t  };\n\t\n\t  this.serializeValue = function () {\n\t    return parseInt($input.val(), 10) || 0;\n\t  };\n\t\n\t  this.applyValue = function (item, state) {\n\t    item[args.column.field] = state;\n\t  };\n\t\n\t  this.isValueChanged = function () {\n\t    return !($input.val() == '' && defaultValue == null) && $input.val() != defaultValue;\n\t  };\n\t\n\t  this.validate = function () {\n\t    if (isNaN($input.val())) {\n\t      return {\n\t        valid: false,\n\t        msg: 'Please enter a valid integer'\n\t      };\n\t    }\n\t\n\t    if (args.column.validator) {\n\t      var validationResults = args.column.validator($input.val());\n\t      if (!validationResults.valid) {\n\t        return validationResults;\n\t      }\n\t    }\n\t\n\t    return {\n\t      valid: true,\n\t      msg: null\n\t    };\n\t  };\n\t\n\t  this.init();\n\t}\n\t\n\tfunction FloatEditor(args) {\n\t  var $input = void 0;\n\t  var defaultValue = void 0;\n\t  var scope = this;\n\t\n\t  this.init = function () {\n\t    $input = (0, _jquery2.default)(\"<INPUT type=text class='editor-text' />\");\n\t\n\t    $input.bind('keydown.nav', function (e) {\n\t      if (e.keyCode === keyCode.LEFT || e.keyCode === keyCode.RIGHT) {\n\t        e.stopImmediatePropagation();\n\t      }\n\t    });\n\t\n\t    $input.appendTo(args.container);\n\t    $input.focus().select();\n\t  };\n\t\n\t  this.destroy = function () {\n\t    $input.remove();\n\t  };\n\t\n\t  this.focus = function () {\n\t    $input.focus();\n\t  };\n\t\n\t  function getDecimalPlaces() {\n\t    // returns the number of fixed decimal places or null\n\t    var rtn = args.column.editorFixedDecimalPlaces;\n\t    if (typeof rtn == 'undefined') {\n\t      rtn = FloatEditor.DefaultDecimalPlaces;\n\t    }\n\t    return !rtn && rtn !== 0 ? null : rtn;\n\t  }\n\t\n\t  this.loadValue = function (item) {\n\t    defaultValue = item[args.column.field];\n\t\n\t    var decPlaces = getDecimalPlaces();\n\t    if (decPlaces !== null && (defaultValue || defaultValue === 0) && defaultValue.toFixed) {\n\t      defaultValue = defaultValue.toFixed(decPlaces);\n\t    }\n\t\n\t    $input.val(defaultValue);\n\t    $input[0].defaultValue = defaultValue;\n\t    $input.select();\n\t  };\n\t\n\t  this.serializeValue = function () {\n\t    var rtn = parseFloat($input.val()) || 0;\n\t\n\t    var decPlaces = getDecimalPlaces();\n\t    if (decPlaces !== null && (rtn || rtn === 0) && rtn.toFixed) {\n\t      rtn = parseFloat(rtn.toFixed(decPlaces));\n\t    }\n\t\n\t    return rtn;\n\t  };\n\t\n\t  this.applyValue = function (item, state) {\n\t    item[args.column.field] = state;\n\t  };\n\t\n\t  this.isValueChanged = function () {\n\t    return !($input.val() == '' && defaultValue == null) && $input.val() != defaultValue;\n\t  };\n\t\n\t  this.validate = function () {\n\t    if (isNaN($input.val())) {\n\t      return {\n\t        valid: false,\n\t        msg: 'Please enter a valid number'\n\t      };\n\t    }\n\t\n\t    if (args.column.validator) {\n\t      var validationResults = args.column.validator($input.val(), args);\n\t      if (!validationResults.valid) {\n\t        return validationResults;\n\t      }\n\t    }\n\t\n\t    return {\n\t      valid: true,\n\t      msg: null\n\t    };\n\t  };\n\t\n\t  this.init();\n\t}\n\t\n\tFloatEditor.DefaultDecimalPlaces = null;\n\t\n\t/**\r\n\t * see https://chmln.github.io/flatpickr/#options - pass as column.options.date = {}\r\n\t * @param args\r\n\t * @constructor\r\n\t */\n\tfunction DateEditor(args) {\n\t  var $input = void 0,\n\t      flatInstance = void 0,\n\t      defaultDate = void 0,\n\t      options = args.column.options && args.column.options.date ? args.column.options.date : {};\n\t\n\t  this.init = function () {\n\t    defaultDate = options.defaultDate = args.item[args.column.field];\n\t\n\t    $input = (0, _jquery2.default)('<input type=text data-default-date=\"' + defaultDate + '\" class=\"editor-text\" />');\n\t    $input.appendTo(args.container);\n\t    $input.focus().val(defaultDate).select();\n\t    flatInstance = (0, _flatpickr2.default)($input[0], options);\n\t  };\n\t\n\t  this.destroy = function () {\n\t    flatInstance.destroy();\n\t    $input.remove();\n\t  };\n\t\n\t  this.show = function () {\n\t    flatInstance.open();\n\t    flatInstance.positionCalendar();\n\t  };\n\t\n\t  this.hide = function () {\n\t    flatInstance.close();\n\t  };\n\t\n\t  this.position = function (position) {\n\t    //todo: fix how scrolling is affected\n\t    flatInstance.positionCalendar();\n\t  };\n\t\n\t  this.focus = function () {\n\t    $input.focus();\n\t  };\n\t\n\t  this.loadValue = function (item) {\n\t    defaultDate = item[args.column.field];\n\t    $input.val(defaultDate);\n\t    $input.select();\n\t  };\n\t\n\t  this.serializeValue = function () {\n\t    return $input.val();\n\t  };\n\t\n\t  this.applyValue = function (item, state) {\n\t    item[args.column.field] = state;\n\t  };\n\t\n\t  this.isValueChanged = function () {\n\t    return !($input.val() == '' && defaultDate == null) && $input.val() != defaultDate;\n\t  };\n\t\n\t  this.validate = function () {\n\t    if (args.column.validator) {\n\t      var validationResults = args.column.validator($input.val(), args);\n\t      if (!validationResults.valid) {\n\t        return validationResults;\n\t      }\n\t    }\n\t\n\t    return {\n\t      valid: true,\n\t      msg: null\n\t    };\n\t  };\n\t\n\t  this.init();\n\t}\n\t\n\tfunction YesNoSelectEditor(args) {\n\t  var $select = void 0;\n\t  var defaultValue = void 0;\n\t  var scope = this;\n\t\n\t  this.init = function () {\n\t    $select = (0, _jquery2.default)(\"<select tabIndex='0' class='editor-yesno'><option value='yes'>Yes</option><option value='no'>No</option></select>\");\n\t    $select.appendTo(args.container);\n\t    $select.focus();\n\t  };\n\t\n\t  this.destroy = function () {\n\t    $select.remove();\n\t  };\n\t\n\t  this.focus = function () {\n\t    $select.focus();\n\t  };\n\t\n\t  this.loadValue = function (item) {\n\t    $select.val((defaultValue = item[args.column.field]) ? 'yes' : 'no');\n\t    $select.select();\n\t  };\n\t\n\t  this.serializeValue = function () {\n\t    return $select.val() == 'yes';\n\t  };\n\t\n\t  this.applyValue = function (item, state) {\n\t    item[args.column.field] = state;\n\t  };\n\t\n\t  this.isValueChanged = function () {\n\t    return $select.val() != defaultValue;\n\t  };\n\t\n\t  this.validate = function () {\n\t    var valid = true;\n\t    var msg = null;\n\t    if (args.column.validator) {\n\t      var validationResults = args.column.validator($select.val(), args);\n\t      valid = validationResults.valid;\n\t      msg = validationResults.msg;\n\t    }\n\t\n\t    return {\n\t      valid: true,\n\t      msg: null\n\t    };\n\t  };\n\t\n\t  this.init();\n\t}\n\t\n\tfunction CheckboxEditor(args) {\n\t  var $select = void 0;\n\t  var defaultValue = void 0;\n\t  var scope = this;\n\t\n\t  this.init = function () {\n\t    $select = (0, _jquery2.default)(\"<INPUT type=checkbox value='true' class='editor-checkbox' hideFocus>\");\n\t    $select.appendTo(args.container);\n\t    $select.focus();\n\t  };\n\t\n\t  this.destroy = function () {\n\t    $select.remove();\n\t  };\n\t\n\t  this.focus = function () {\n\t    $select.focus();\n\t  };\n\t\n\t  this.loadValue = function (item) {\n\t    defaultValue = !!item[args.column.field];\n\t    if (defaultValue) {\n\t      $select.prop('checked', true);\n\t    } else {\n\t      $select.prop('checked', false);\n\t    }\n\t  };\n\t\n\t  this.serializeValue = function () {\n\t    return $select.prop('checked');\n\t  };\n\t\n\t  this.applyValue = function (item, state) {\n\t    item[args.column.field] = state;\n\t  };\n\t\n\t  this.isValueChanged = function () {\n\t    return this.serializeValue() !== defaultValue;\n\t  };\n\t\n\t  this.validate = function () {\n\t    var valid = true;\n\t    var msg = null;\n\t    if (args.column.validator) {\n\t      var validationResults = args.column.validator($select.val(), args);\n\t      valid = validationResults.valid;\n\t      msg = validationResults.msg;\n\t    }\n\t\n\t    return {\n\t      valid: true,\n\t      msg: null\n\t    };\n\t  };\n\t\n\t  this.init();\n\t}\n\t\n\tfunction PercentCompleteEditor(args) {\n\t  console.error('PercentCompleteEditor is derecated');\n\t}\n\t\n\t/*\r\n\t * An example of a \"detached\" editor.\r\n\t * The UI is added onto document BODY and .position(), .show() and .hide() are implemented.\r\n\t * KeyDown events are also handled to provide handling for Tab, Shift-Tab, Esc and Ctrl-Enter.\r\n\t */\n\tfunction LongTextEditor(args) {\n\t  var $input = void 0,\n\t      $wrapper = void 0;\n\t  var defaultValue = void 0;\n\t  var scope = this;\n\t\n\t  this.init = function () {\n\t    var $container = (0, _jquery2.default)('body');\n\t\n\t    $wrapper = (0, _jquery2.default)(\"<div class='slick-large-editor-text' />\").appendTo($container);\n\t    $input = (0, _jquery2.default)(\"<textarea hidefocus rows=5 />\").appendTo($wrapper);\n\t\n\t    (0, _jquery2.default)(\"<div><button>Save</button> <button>Cancel</button></div>\").appendTo($wrapper);\n\t\n\t    $wrapper.find('button:first').bind('click', this.save);\n\t    $wrapper.find('button:last').bind('click', this.cancel);\n\t    $input.bind('keydown', this.handleKeyDown);\n\t\n\t    scope.position(args.position);\n\t    $input.focus().select();\n\t  };\n\t\n\t  this.handleKeyDown = function (e) {\n\t    if (e.which == keyCode.ENTER && e.ctrlKey) {\n\t      scope.save();\n\t    } else if (e.which == keyCode.ESCAPE) {\n\t      e.preventDefault();\n\t      scope.cancel();\n\t    } else if (e.which == keyCode.TAB && e.shiftKey) {\n\t      e.preventDefault();\n\t      args.grid.navigatePrev();\n\t    } else if (e.which == keyCode.TAB) {\n\t      e.preventDefault();\n\t      args.grid.navigateNext();\n\t    }\n\t  };\n\t\n\t  this.save = function () {\n\t    args.commitChanges();\n\t  };\n\t\n\t  this.cancel = function () {\n\t    $input.val(defaultValue);\n\t    args.cancelChanges();\n\t  };\n\t\n\t  this.hide = function () {\n\t    $wrapper.hide();\n\t  };\n\t\n\t  this.show = function () {\n\t    $wrapper.show();\n\t  };\n\t\n\t  this.position = function (position) {\n\t    $wrapper.css('top', position.top - 5).css('left', position.left - 5);\n\t  };\n\t\n\t  this.destroy = function () {\n\t    $wrapper.remove();\n\t  };\n\t\n\t  this.focus = function () {\n\t    $input.focus();\n\t  };\n\t\n\t  this.loadValue = function (item) {\n\t    $input.val(defaultValue = item[args.column.field]);\n\t    $input.select();\n\t  };\n\t\n\t  this.serializeValue = function () {\n\t    return $input.val();\n\t  };\n\t\n\t  this.applyValue = function (item, state) {\n\t    item[args.column.field] = state;\n\t  };\n\t\n\t  this.isValueChanged = function () {\n\t    return !($input.val() == '' && defaultValue == null) && $input.val() != defaultValue;\n\t  };\n\t\n\t  this.validate = function () {\n\t    var valid = true;\n\t    var msg = null;\n\t    if (args.column.validator) {\n\t      var validationResults = args.column.validator($select.val(), args);\n\t      valid = validationResults.valid;\n\t      msg = validationResults.msg;\n\t    }\n\t\n\t    return {\n\t      valid: true,\n\t      msg: null\n\t    };\n\t  };\n\t\n\t  this.init();\n\t}\n\n/***/ }),\n/* 29 */\n/***/ (function(module, exports) {\n\n\t'use strict';\n\t\n\tObject.defineProperty(exports, \"__esModule\", {\n\t  value: true\n\t});\n\tfunction PercentCompleteFormatter(row, cell, value, columnDef, dataContext) {\n\t  if (value == null || value === '') {\n\t    return '-';\n\t  } else if (value < 50) {\n\t    return '<span style=\\'color:red;font-weight:bold;\\'>' + value + '%</span>';\n\t  } else {\n\t    return '<span style=\\'color:green\\'>' + value + '%</span>';\n\t  }\n\t}\n\t\n\tfunction PercentCompleteBarFormatter(row, cell, value, columnDef, dataContext) {\n\t  if (value == null || value === '') {\n\t    return '';\n\t  }\n\t\n\t  var color = void 0;\n\t\n\t  if (value < 30) {\n\t    color = 'red';\n\t  } else if (value < 70) {\n\t    color = 'silver';\n\t  } else {\n\t    color = 'green';\n\t  }\n\t\n\t  return \"<span class='percent-complete-bar' style='background:\" + color + ';width:' + value + \"%'></span>\";\n\t}\n\t\n\tfunction YesNoFormatter(row, cell, value, columnDef, dataContext) {\n\t  return value ? 'Yes' : 'No';\n\t}\n\t\n\tfunction CheckmarkFormatter(row, cell, value, columnDef, dataContext) {\n\t  return value ? '✔' : '';\n\t}\n\t\n\texports.default = {\n\t  PercentComplete: PercentCompleteFormatter,\n\t  PercentCompleteBar: PercentCompleteBarFormatter,\n\t  YesNo: YesNoFormatter,\n\t  Checkmark: CheckmarkFormatter\n\t};\n\n/***/ }),\n/* 30 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tObject.defineProperty(exports, \"__esModule\", {\n\t  value: true\n\t});\n\t\n\tvar _jquery = __webpack_require__(2);\n\t\n\tvar _jquery2 = _interopRequireDefault(_jquery);\n\t\n\tvar _interact = __webpack_require__(5);\n\t\n\tvar _interact2 = _interopRequireDefault(_interact);\n\t\n\tvar _slick = __webpack_require__(1);\n\t\n\tvar _slick2 = _interopRequireDefault(_slick);\n\t\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\t\n\t// Slick.Grid globals pretense\n\t_slick2.default.Grid = SlickGrid; /**\r\n\t                                   * @license\r\n\t                                   * (c) 2009-2013 Michael Leibman\r\n\t                                   * michael{dot}leibman{at}gmail{dot}com\r\n\t                                   * http://github.com/mleibman/slickgrid\r\n\t                                   *\r\n\t                                   * Distributed under MIT license.\r\n\t                                   * All rights reserved.\r\n\t                                   *\r\n\t                                   * SlickGrid v2.2\r\n\t                                   *\r\n\t                                   * NOTES:\r\n\t                                   *     Cell/row DOM manipulations are done directly bypassing jQuery's DOM manipulation methods.\r\n\t                                   *     This increases the speed dramatically, but can only be done safely because there are no event handlers\r\n\t                                   *     or data associated with any cell/row DOM nodes.  Cell editors must make sure they implement .destroy()\r\n\t                                   *     and do proper cleanup.\r\n\t                                   */\n\t\n\texports.default = SlickGrid;\n\t\n\t// shared across all grids on the page\n\t\n\tvar scrollbarDimensions;\n\tvar maxSupportedCssHeight; // browser's breaking point\n\t\n\t// ////////////////////////////////////////////////////////////////////////////////////////////\n\t// SlickGrid class implementation (available as Slick.Grid)\n\t\n\t/**\r\n\t * Creates a new instance of the grid.\r\n\t * @class SlickGrid\r\n\t * @constructor\r\n\t * @param {Node}              container   Container node to create the grid in.\r\n\t * @param {Array,Object}      data        An array of objects for databinding.\r\n\t * @param {Array}             columns     An array of column definitions.\r\n\t * @param {Object}            options     Grid options.\r\n\t **/\n\tfunction SlickGrid(container, data, columns, options) {\n\t  // settings\n\t  var defaults = {\n\t    explicitInitialization: false,\n\t    rowHeight: 25,\n\t    defaultColumnWidth: 80,\n\t    enableAddRow: false,\n\t    leaveSpaceForNewRows: false,\n\t    editable: false,\n\t    autoEdit: true,\n\t    enableCellNavigation: true,\n\t    enableColumnReorder: true,\n\t    asyncEditorLoading: false,\n\t    asyncEditorLoadDelay: 100,\n\t    forceFitColumns: false,\n\t    enableAsyncPostRender: false,\n\t    asyncPostRenderDelay: 50,\n\t    enableAsyncPostRenderCleanup: false,\n\t    asyncPostRenderCleanupDelay: 40,\n\t    autoHeight: false,\n\t    editorLock: _slick2.default.GlobalEditorLock,\n\t    showHeaderRow: false,\n\t    headerRowHeight: 25,\n\t    createFooterRow: false,\n\t    showFooterRow: false,\n\t    footerRowHeight: 25,\n\t    showTopPanel: false,\n\t    topPanelHeight: 25,\n\t    formatterFactory: null,\n\t    editorFactory: null,\n\t    cellFlashingCssClass: 'flashing',\n\t    selectedCellCssClass: 'selected',\n\t    multiSelect: true,\n\t    enableTextSelectionOnCells: false,\n\t    dataItemColumnValueExtractor: null,\n\t    fullWidthRows: false,\n\t    multiColumnSort: false,\n\t    defaultFormatter: defaultFormatter,\n\t    forceSyncScrolling: false,\n\t    addNewRowCssClass: 'new-row'\n\t  };\n\t\n\t  var columnDefaults = {\n\t    name: '',\n\t    resizable: true,\n\t    sortable: false,\n\t    minWidth: 30,\n\t    rerenderOnResize: false,\n\t    headerCssClass: null,\n\t    defaultSortAsc: true,\n\t    focusable: true,\n\t    selectable: true\n\t  };\n\t\n\t  // scroller\n\t  var th; // virtual height\n\t  var h; // real scrollable height\n\t  var ph; // page height\n\t  var n; // number of pages\n\t  var cj; // \"jumpiness\" coefficient\n\t\n\t  var page = 0; // current page\n\t  var offset = 0; // current page offset\n\t  var vScrollDir = 1;\n\t\n\t  // private\n\t  var initialized = false;\n\t  var $container;\n\t  var uid = 'slickgrid_' + Math.round(1000000 * Math.random());\n\t  var self = this;\n\t  var $focusSink, $focusSink2;\n\t  var $headerScroller;\n\t  var $headers;\n\t  var $headerRow, $headerRowScroller, $headerRowSpacer;\n\t  var $footerRow, $footerRowScroller, $footerRowSpacer;\n\t  var $topPanelScroller;\n\t  var $topPanel;\n\t  var $viewport;\n\t  var $canvas;\n\t  var $style;\n\t  var $boundAncestors;\n\t  var stylesheet, columnCssRulesL, columnCssRulesR;\n\t  var viewportH, viewportW;\n\t  var canvasWidth;\n\t  var viewportHasHScroll, viewportHasVScroll;\n\t  var headerColumnWidthDiff = 0,\n\t      headerColumnHeightDiff = 0,\n\t      // border+padding\n\t  cellWidthDiff = 0,\n\t      cellHeightDiff = 0,\n\t      jQueryNewWidthBehaviour = false;\n\t  var absoluteColumnMinWidth;\n\t\n\t  var tabbingDirection = 1;\n\t  var activePosX;\n\t  var activeRow, activeCell;\n\t  var activeCellNode = null;\n\t  var currentEditor = null;\n\t  var serializedEditorValue;\n\t  var editController;\n\t\n\t  var rowsCache = {};\n\t  var renderedRows = 0;\n\t  var numVisibleRows;\n\t  var prevScrollTop = 0;\n\t  var scrollTop = 0;\n\t  var lastRenderedScrollTop = 0;\n\t  var lastRenderedScrollLeft = 0;\n\t  var prevScrollLeft = 0;\n\t  var scrollLeft = 0;\n\t\n\t  var selectionModel;\n\t  var selectedRows = [];\n\t\n\t  var plugins = [];\n\t  var cellCssClasses = {};\n\t\n\t  var columnsById = {};\n\t  var sortColumns = [];\n\t  var columnPosLeft = [];\n\t  var columnPosRight = [];\n\t\n\t  // async call handles\n\t  var h_editorLoader = null;\n\t  var h_render = null;\n\t  var h_postrender = null;\n\t  var h_postrenderCleanup = null;\n\t  var postProcessedRows = {};\n\t  var postProcessToRow = null;\n\t  var postProcessFromRow = null;\n\t  var postProcessedCleanupQueue = [];\n\t  var postProcessgroupId = 0;\n\t\n\t  // perf counters\n\t  var counter_rows_rendered = 0;\n\t  var counter_rows_removed = 0;\n\t\n\t  // These two variables work around a bug with inertial scrolling in Webkit/Blink on Mac.\n\t  // See http://crbug.com/312427.\n\t  var rowNodeFromLastMouseWheelEvent; // this node must not be deleted while inertial scrolling\n\t  var zombieRowNodeFromLastMouseWheelEvent; // node that was hidden instead of getting deleted\n\t  var zombieRowCacheFromLastMouseWheelEvent; // row cache for above node\n\t  var zombieRowPostProcessedFromLastMouseWheelEvent; // post processing references for above node\n\t\n\t  // store css attributes if display:none is active in container or parent\n\t  var cssShow = { position: 'absolute', visibility: 'hidden', display: 'block' };\n\t  var $hiddenParents;\n\t  var oldProps = [];\n\t\n\t  // ////////////////////////////////////////////////////////////////////////////////////////////\n\t  // Initialization\n\t\n\t  function init() {\n\t    $container = (0, _jquery2.default)(container);\n\t    if ($container.length < 1) {\n\t      throw new Error('SlickGrid requires a valid container, ' + container + ' does not exist in the DOM.');\n\t    }\n\t\n\t    cacheCssForHiddenInit();\n\t\n\t    // calculate these only once and share between grid instances\n\t    maxSupportedCssHeight = maxSupportedCssHeight || getMaxSupportedCssHeight();\n\t    scrollbarDimensions = scrollbarDimensions || measureScrollbar();\n\t\n\t    options = _jquery2.default.extend({}, defaults, options);\n\t    validateAndEnforceOptions();\n\t    columnDefaults.width = options.defaultColumnWidth;\n\t\n\t    columnsById = {};\n\t    for (var i = 0; i < columns.length; i++) {\n\t      var m = columns[i] = _jquery2.default.extend({}, columnDefaults, columns[i]);\n\t      columnsById[m.id] = i;\n\t      if (m.minWidth && m.width < m.minWidth) {\n\t        m.width = m.minWidth;\n\t      }\n\t      if (m.maxWidth && m.width > m.maxWidth) {\n\t        m.width = m.maxWidth;\n\t      }\n\t    }\n\t\n\t    editController = {\n\t      'commitCurrentEdit': commitCurrentEdit,\n\t      'cancelCurrentEdit': cancelCurrentEdit\n\t    };\n\t\n\t    $container.empty().css('overflow', 'hidden').css('outline', 0).addClass(uid).addClass('ui-widget');\n\t\n\t    // set up a positioning container if needed\n\t    if (!/relative|absolute|fixed/.test($container.css('position'))) {\n\t      $container.css('position', 'relative');\n\t    }\n\t\n\t    $focusSink = (0, _jquery2.default)(\"<div tabIndex='0' hideFocus style='position:fixed;width:0;height:0;top:0;left:0;outline:0;'></div>\").appendTo($container);\n\t\n\t    $headerScroller = (0, _jquery2.default)(\"<div class='slick-header ui-state-default' style='overflow:hidden;position:relative;' />\").appendTo($container);\n\t    $headers = (0, _jquery2.default)(\"<div class='slick-header-columns' />\").appendTo($headerScroller);\n\t    $headers.width(getHeadersWidth());\n\t\n\t    $headerRowScroller = (0, _jquery2.default)(\"<div class='slick-headerrow ui-state-default' style='overflow:hidden;position:relative;' />\").appendTo($container);\n\t    $headerRow = (0, _jquery2.default)(\"<div class='slick-headerrow-columns' />\").appendTo($headerRowScroller);\n\t    $headerRowSpacer = (0, _jquery2.default)(\"<div style='display:block;height:1px;position:absolute;top:0;left:0;'></div>\").css('width', getCanvasWidth() + scrollbarDimensions.width + 'px').appendTo($headerRowScroller);\n\t\n\t    $topPanelScroller = (0, _jquery2.default)(\"<div class='slick-top-panel-scroller ui-state-default' style='overflow:hidden;position:relative;' />\").appendTo($container);\n\t    $topPanel = (0, _jquery2.default)(\"<div class='slick-top-panel' style='width:10000px' />\").appendTo($topPanelScroller);\n\t\n\t    if (!options.showTopPanel) {\n\t      $topPanelScroller.hide();\n\t    }\n\t\n\t    if (!options.showHeaderRow) {\n\t      $headerRowScroller.hide();\n\t    }\n\t\n\t    $viewport = (0, _jquery2.default)(\"<div class='slick-viewport' style='width:100%;overflow:auto;outline:0;position:relative;;'>\").appendTo($container);\n\t    $viewport.css('overflow-y', options.autoHeight ? 'hidden' : 'auto');\n\t\n\t    $canvas = (0, _jquery2.default)(\"<div class='grid-canvas' />\").appendTo($viewport);\n\t\n\t    if (options.createFooterRow) {\n\t      $footerRowScroller = (0, _jquery2.default)(\"<div class='slick-footerrow ui-state-default' style='overflow:hidden;position:relative;' />\").appendTo($container);\n\t      $footerRow = (0, _jquery2.default)(\"<div class='slick-footerrow-columns' />\").appendTo($footerRowScroller);\n\t      $footerRowSpacer = (0, _jquery2.default)(\"<div style='display:block;height:1px;position:absolute;top:0;left:0;'></div>\").css('width', getCanvasWidth() + scrollbarDimensions.width + 'px').appendTo($footerRowScroller);\n\t\n\t      if (!options.showFooterRow) {\n\t        $footerRowScroller.hide();\n\t      }\n\t    }\n\t\n\t    $focusSink2 = $focusSink.clone().appendTo($container);\n\t\n\t    if (!options.explicitInitialization) {\n\t      finishInitialization();\n\t    }\n\t  }\n\t\n\t  function finishInitialization() {\n\t    if (!initialized) {\n\t      initialized = true;\n\t\n\t      viewportW = parseFloat(_jquery2.default.css($container[0], 'width', true));\n\t\n\t      // header columns and cells may have different padding/border skewing width calculations (box-sizing, hello?)\n\t      // calculate the diff so we can set consistent sizes\n\t      measureCellPaddingAndBorder();\n\t\n\t      // for usability reasons, all text selection in SlickGrid is disabled\n\t      // with the exception of input and textarea elements (selection must\n\t      // be enabled there so that editors work as expected); note that\n\t      // selection in grid cells (grid body) is already unavailable in\n\t      // all browsers except IE\n\t      disableSelection($headers); // disable all text selection in header (including input and textarea)\n\t\n\t      if (!options.enableTextSelectionOnCells) {\n\t        // disable text selection in grid cells except in input and textarea elements\n\t        // (this is IE-specific, because selectstart event will only fire in IE)\n\t        $viewport.bind('selectstart.ui', function (event) {\n\t          return (0, _jquery2.default)(event.target).is('input,textarea');\n\t        });\n\t      }\n\t\n\t      updateColumnCaches();\n\t      createColumnHeaders();\n\t      setupColumnSort();\n\t      createCssRules();\n\t      resizeCanvas();\n\t      bindAncestorScrollEvents();\n\t\n\t      $container.bind('resize.slickgrid', resizeCanvas);\n\t      $viewport\n\t      // .bind(\"click\", handleClick)\n\t      .bind('scroll', handleScroll);\n\t      $headerScroller.bind('contextmenu', handleHeaderContextMenu).bind('click', handleHeaderClick).delegate('.slick-header-column', 'mouseenter', handleHeaderMouseEnter).delegate('.slick-header-column', 'mouseleave', handleHeaderMouseLeave);\n\t      $headerRowScroller.bind('scroll', handleHeaderRowScroll);\n\t\n\t      if (options.createFooterRow) {\n\t        $footerRowScroller.bind('scroll', handleFooterRowScroll);\n\t      }\n\t\n\t      $focusSink.add($focusSink2).bind('keydown', handleKeyDown);\n\t      $canvas.bind('keydown', handleKeyDown).bind('click', handleClick).bind('dblclick', handleDblClick).bind('contextmenu', handleContextMenu).delegate('.slick-cell', 'mouseenter', handleMouseEnter).delegate('.slick-cell', 'mouseleave', handleMouseLeave);\n\t\n\t      // legacy support for drag events\n\t      (0, _interact2.default)($canvas[0]).allowFrom('div.slick-cell').draggable({\n\t        onmove: handleDrag,\n\t        onstart: handleDragStart,\n\t        onend: handleDragEnd\n\t      }).styleCursor(false);\n\t\n\t      // Work around http://crbug.com/312427.\n\t      if (navigator.userAgent.toLowerCase().match(/webkit/) && navigator.userAgent.toLowerCase().match(/macintosh/)) {\n\t        $canvas.bind('mousewheel', handleMouseWheel);\n\t      }\n\t      restoreCssFromHiddenInit();\n\t    }\n\t  }\n\t\n\t  function cacheCssForHiddenInit() {\n\t    // handle display:none on container or container parents\n\t    $hiddenParents = $container.parents().addBack().not(':visible');\n\t    $hiddenParents.each(function () {\n\t      var old = {};\n\t      for (var name in cssShow) {\n\t        old[name] = this.style[name];\n\t        this.style[name] = cssShow[name];\n\t      }\n\t      oldProps.push(old);\n\t    });\n\t  }\n\t\n\t  function restoreCssFromHiddenInit() {\n\t    // finish handle display:none on container or container parents\n\t    // - put values back the way they were\n\t    $hiddenParents.each(function (i) {\n\t      var old = oldProps[i];\n\t      for (var name in cssShow) {\n\t        this.style[name] = old[name];\n\t      }\n\t    });\n\t  }\n\t\n\t  function registerPlugin(plugin) {\n\t    plugins.unshift(plugin);\n\t    plugin.init(self);\n\t  }\n\t\n\t  function unregisterPlugin(plugin) {\n\t    for (var i = plugins.length; i >= 0; i--) {\n\t      if (plugins[i] === plugin) {\n\t        if (plugins[i].destroy) {\n\t          plugins[i].destroy();\n\t        }\n\t        plugins.splice(i, 1);\n\t        break;\n\t      }\n\t    }\n\t  }\n\t\n\t  function setSelectionModel(model) {\n\t    if (selectionModel) {\n\t      selectionModel.onSelectedRangesChanged.unsubscribe(handleSelectedRangesChanged);\n\t      if (selectionModel.destroy) {\n\t        selectionModel.destroy();\n\t      }\n\t    }\n\t\n\t    selectionModel = model;\n\t    if (selectionModel) {\n\t      selectionModel.init(self);\n\t      selectionModel.onSelectedRangesChanged.subscribe(handleSelectedRangesChanged);\n\t    }\n\t  }\n\t\n\t  function getSelectionModel() {\n\t    return selectionModel;\n\t  }\n\t\n\t  function getCanvasNode() {\n\t    return $canvas[0];\n\t  }\n\t\n\t  function measureScrollbar() {\n\t    var $c = (0, _jquery2.default)(\"<div style='position:absolute; top:-10000px; left:-10000px; width:100px; height:100px; overflow:scroll;'></div>\").appendTo('body');\n\t    var dim = {\n\t      width: $c.width() - $c[0].clientWidth,\n\t      height: $c.height() - $c[0].clientHeight\n\t    };\n\t    $c.remove();\n\t    return dim;\n\t  }\n\t\n\t  function getHeadersWidth() {\n\t    var headersWidth = 0;\n\t    for (var i = 0, ii = columns.length; i < ii; i++) {\n\t      var width = columns[i].width;\n\t      headersWidth += width;\n\t    }\n\t    headersWidth += scrollbarDimensions.width;\n\t    return Math.max(headersWidth, viewportW) + 1000;\n\t  }\n\t\n\t  function getCanvasWidth() {\n\t    var availableWidth = viewportHasVScroll ? viewportW - scrollbarDimensions.width : viewportW;\n\t    var rowWidth = 0;\n\t    var i = columns.length;\n\t    while (i--) {\n\t      rowWidth += columns[i].width;\n\t    }\n\t    return options.fullWidthRows ? Math.max(rowWidth, availableWidth) : rowWidth;\n\t  }\n\t\n\t  function updateCanvasWidth(forceColumnWidthsUpdate) {\n\t    var oldCanvasWidth = canvasWidth;\n\t    canvasWidth = getCanvasWidth();\n\t\n\t    if (canvasWidth != oldCanvasWidth) {\n\t      $canvas.width(canvasWidth);\n\t      $headerRow.width(canvasWidth);\n\t      if (options.createFooterRow) {\n\t        $footerRow.width(canvasWidth);\n\t      }\n\t      $headers.width(getHeadersWidth());\n\t      viewportHasHScroll = canvasWidth > viewportW - scrollbarDimensions.width;\n\t    }\n\t\n\t    var w = canvasWidth + (viewportHasVScroll ? scrollbarDimensions.width : 0);\n\t    $headerRowSpacer.width(w);\n\t    if (options.createFooterRow) {\n\t      $footerRowSpacer.width(w);\n\t    }\n\t\n\t    if (canvasWidth != oldCanvasWidth || forceColumnWidthsUpdate) {\n\t      applyColumnWidths();\n\t    }\n\t  }\n\t\n\t  function disableSelection($target) {\n\t    if ($target && $target.jquery) {\n\t      $target.attr('unselectable', 'on').css('MozUserSelect', 'none').bind('selectstart.ui', function () {\n\t        return false;\n\t      }); // from jquery:ui.core.js 1.7.2\n\t    }\n\t  }\n\t\n\t  function getMaxSupportedCssHeight() {\n\t    var supportedHeight = 1000000;\n\t    // FF reports the height back but still renders blank after ~6M px\n\t    var testUpTo = navigator.userAgent.toLowerCase().match(/firefox/) ? 6000000 : 1000000000;\n\t    var div = (0, _jquery2.default)(\"<div style='display:none' />\").appendTo(document.body);\n\t\n\t    while (true) {\n\t      var test = supportedHeight * 2;\n\t      div.css('height', test);\n\t      if (test > testUpTo || div.height() !== test) {\n\t        break;\n\t      } else {\n\t        supportedHeight = test;\n\t      }\n\t    }\n\t\n\t    div.remove();\n\t    return supportedHeight;\n\t  }\n\t\n\t  // TODO:  this is static.  need to handle page mutation.\n\t  function bindAncestorScrollEvents() {\n\t    var elem = $canvas[0];\n\t    while ((elem = elem.parentNode) != document.body && elem != null) {\n\t      // bind to scroll containers only\n\t      if (elem == $viewport[0] || elem.scrollWidth != elem.clientWidth || elem.scrollHeight != elem.clientHeight) {\n\t        var $elem = (0, _jquery2.default)(elem);\n\t        if (!$boundAncestors) {\n\t          $boundAncestors = $elem;\n\t        } else {\n\t          $boundAncestors = $boundAncestors.add($elem);\n\t        }\n\t        $elem.bind('scroll.' + uid, handleActiveCellPositionChange);\n\t      }\n\t    }\n\t  }\n\t\n\t  function unbindAncestorScrollEvents() {\n\t    if (!$boundAncestors) {\n\t      return;\n\t    }\n\t    $boundAncestors.unbind('scroll.' + uid);\n\t    $boundAncestors = null;\n\t  }\n\t\n\t  function updateColumnHeader(columnId, title, toolTip) {\n\t    if (!initialized) {\n\t      return;\n\t    }\n\t    var idx = getColumnIndex(columnId);\n\t    if (idx == null) {\n\t      return;\n\t    }\n\t\n\t    var columnDef = columns[idx];\n\t    var $header = $headers.children().eq(idx);\n\t    if ($header) {\n\t      if (title !== undefined) {\n\t        columns[idx].name = title;\n\t      }\n\t      if (toolTip !== undefined) {\n\t        columns[idx].toolTip = toolTip;\n\t      }\n\t\n\t      trigger(self.onBeforeHeaderCellDestroy, {\n\t        'node': $header[0],\n\t        'column': columnDef,\n\t        'grid': self\n\t      });\n\t\n\t      $header.attr('title', toolTip || '').children().eq(0).html(title);\n\t\n\t      trigger(self.onHeaderCellRendered, {\n\t        'node': $header[0],\n\t        'column': columnDef,\n\t        'grid': self\n\t      });\n\t    }\n\t  }\n\t\n\t  function getHeaderRow() {\n\t    return $headerRow[0];\n\t  }\n\t\n\t  function getFooterRow() {\n\t    return $footerRow[0];\n\t  }\n\t\n\t  function getHeaderRowColumn(columnId) {\n\t    var idx = getColumnIndex(columnId);\n\t    var $header = $headerRow.children().eq(idx);\n\t    return $header && $header[0];\n\t  }\n\t\n\t  function getFooterRowColumn(columnId) {\n\t    var idx = getColumnIndex(columnId);\n\t    var $footer = $footerRow.children().eq(idx);\n\t    return $footer && $footer[0];\n\t  }\n\t\n\t  function createColumnHeaders() {\n\t    function onMouseEnter() {\n\t      (0, _jquery2.default)(this).addClass('ui-state-hover');\n\t    }\n\t\n\t    function onMouseLeave() {\n\t      (0, _jquery2.default)(this).removeClass('ui-state-hover');\n\t    }\n\t\n\t    $headers.find('.slick-header-column').each(function () {\n\t      var columnDef = (0, _jquery2.default)(this).data('column');\n\t      if (columnDef) {\n\t        trigger(self.onBeforeHeaderCellDestroy, {\n\t          'node': this,\n\t          'column': columnDef,\n\t          'grid': self\n\t        });\n\t      }\n\t    });\n\t    $headers.empty();\n\t    $headers.width(getHeadersWidth());\n\t\n\t    $headerRow.find('.slick-headerrow-column').each(function () {\n\t      var columnDef = (0, _jquery2.default)(this).data('column');\n\t      if (columnDef) {\n\t        trigger(self.onBeforeHeaderRowCellDestroy, {\n\t          'node': this,\n\t          'column': columnDef,\n\t          'grid': self\n\t        });\n\t      }\n\t    });\n\t    $headerRow.empty();\n\t\n\t    if (options.createFooterRow) {\n\t      $footerRow.find('.slick-footerrow-column').each(function () {\n\t        var columnDef = (0, _jquery2.default)(this).data('column');\n\t        if (columnDef) {\n\t          trigger(self.onBeforeFooterRowCellDestroy, {\n\t            'node': this,\n\t            'column': columnDef\n\t          });\n\t        }\n\t      });\n\t      $footerRow.empty();\n\t    }\n\t\n\t    for (var i = 0; i < columns.length; i++) {\n\t      var m = columns[i];\n\t\n\t      var header = (0, _jquery2.default)(\"<div class='ui-state-default slick-header-column' />\").html(\"<span class='slick-column-name'>\" + m.name + '</span>').width(m.width - headerColumnWidthDiff).attr('id', '' + uid + m.id).attr('title', m.toolTip || '').data('column', m).addClass(m.headerCssClass || '').appendTo($headers);\n\t\n\t      if (options.enableColumnReorder || m.sortable) {\n\t        header.on('mouseenter', onMouseEnter).on('mouseleave', onMouseLeave);\n\t      }\n\t\n\t      if (m.sortable) {\n\t        header.addClass('slick-header-sortable');\n\t        header.append(\"<span class='slick-sort-indicator' />\");\n\t      }\n\t\n\t      trigger(self.onHeaderCellRendered, {\n\t        'node': header[0],\n\t        'column': m,\n\t        'grid': self\n\t      });\n\t\n\t      if (options.showHeaderRow) {\n\t        var headerRowCell = (0, _jquery2.default)(\"<div class='ui-state-default slick-headerrow-column l\" + i + ' r' + i + \"'></div>\").data('column', m).appendTo($headerRow);\n\t\n\t        trigger(self.onHeaderRowCellRendered, {\n\t          'node': headerRowCell[0],\n\t          'column': m,\n\t          'grid': self\n\t        });\n\t      }\n\t      if (options.createFooterRow && options.showFooterRow) {\n\t        var footerRowCell = (0, _jquery2.default)(\"<div class='ui-state-default slick-footerrow-column l\" + i + ' r' + i + \"'></div>\").data('column', m).appendTo($footerRow);\n\t\n\t        trigger(self.onFooterRowCellRendered, {\n\t          'node': footerRowCell[0],\n\t          'column': m\n\t        });\n\t      }\n\t    }\n\t\n\t    setSortColumns(sortColumns);\n\t    setupColumnResize();\n\t    if (options.enableColumnReorder) {\n\t      setupColumnReorder();\n\t    }\n\t  }\n\t\n\t  function setupColumnSort() {\n\t    $headers.click(function (e) {\n\t      // temporary workaround for a bug in jQuery 1.7.1 (http://bugs.jquery.com/ticket/11328)\n\t      e.metaKey = e.metaKey || e.ctrlKey;\n\t\n\t      if ((0, _jquery2.default)(e.target).hasClass('slick-resizable-handle')) {\n\t        return;\n\t      }\n\t\n\t      var $col = (0, _jquery2.default)(e.target).closest('.slick-header-column');\n\t      if (!$col.length) {\n\t        return;\n\t      }\n\t\n\t      var column = $col.data('column');\n\t      if (column.sortable) {\n\t        if (!getEditorLock().commitCurrentEdit()) {\n\t          return;\n\t        }\n\t\n\t        var sortOpts = null;\n\t        var i = 0;\n\t        for (; i < sortColumns.length; i++) {\n\t          if (sortColumns[i].columnId == column.id) {\n\t            sortOpts = sortColumns[i];\n\t            sortOpts.sortAsc = !sortOpts.sortAsc;\n\t            break;\n\t          }\n\t        }\n\t\n\t        if (e.metaKey && options.multiColumnSort) {\n\t          if (sortOpts) {\n\t            sortColumns.splice(i, 1);\n\t          }\n\t        } else {\n\t          if (!e.shiftKey && !e.metaKey || !options.multiColumnSort) {\n\t            sortColumns = [];\n\t          }\n\t\n\t          if (!sortOpts) {\n\t            sortOpts = { columnId: column.id, sortAsc: column.defaultSortAsc };\n\t            sortColumns.push(sortOpts);\n\t          } else if (sortColumns.length == 0) {\n\t            sortColumns.push(sortOpts);\n\t          }\n\t        }\n\t\n\t        setSortColumns(sortColumns);\n\t\n\t        if (!options.multiColumnSort) {\n\t          trigger(self.onSort, {\n\t            multiColumnSort: false,\n\t            sortCol: column,\n\t            sortAsc: sortOpts.sortAsc,\n\t            grid: self\n\t          }, e);\n\t        } else {\n\t          trigger(self.onSort, {\n\t            multiColumnSort: true,\n\t            sortCols: _jquery2.default.map(sortColumns, function (col) {\n\t              return { sortCol: columns[getColumnIndex(col.columnId)], sortAsc: col.sortAsc };\n\t            }),\n\t            grid: self\n\t          }, e);\n\t        }\n\t      }\n\t    });\n\t  }\n\t\n\t  /**\r\n\t   * Refactored to use interactjs\r\n\t   */\n\t  function setupColumnReorder() {\n\t    var x = 0;\n\t    var delta = 0;\n\t    var placeholder = document.createElement('div');\n\t\n\t    placeholder.className = 'interact-placeholder';\n\t\n\t    (0, _interact2.default)('.slick-header-column').ignoreFrom('.slick-resizable-handle').draggable({\n\t      inertia: true,\n\t      // keep the element within the area of it's parent\n\t      restrict: {\n\t        restriction: 'parent',\n\t        endOnly: true,\n\t        elementRect: { top: 0, left: 0, bottom: 0, right: 0 }\n\t      },\n\t      // enable autoScroll\n\t      autoScroll: true,\n\t      axis: 'x',\n\t      onstart: function onstart(event) {\n\t        x = 0;\n\t        delta = event.target.offsetWidth;\n\t\n\t        // get old order\n\t        $headers.find('.slick-header-column').each(function (index) {\n\t          (0, _jquery2.default)(this).data('index', index);\n\t        });\n\t\n\t        placeholder.style.height = event.target.offsetHeight + 'px';\n\t        placeholder.style.width = delta + 'px';\n\t\n\t        (0, _jquery2.default)(event.target).after(placeholder).css({\n\t          position: 'absolute',\n\t          zIndex: 1000,\n\t          marginLeft: (0, _jquery2.default)(event.target).position().left\n\t        });\n\t      },\n\t\n\t      onmove: function onmove(event) {\n\t        x += event.dx;\n\t        event.target.style.transform = 'translate3d(' + x + 'px, -3px, 100px)';\n\t        // event.target.style.marginLeft = x + 'px';\n\t      },\n\t\n\t      onend: function onend(event) {\n\t        x = 0;\n\t        delta = 0;\n\t        (0, _jquery2.default)(event.target).css({\n\t          position: 'relative',\n\t          zIndex: '',\n\t          marginLeft: 0,\n\t          transform: 'none'\n\t        });\n\t\n\t        placeholder.parentNode.removeChild(placeholder);\n\t        var newColumns = [];\n\t\n\t        $headers.find('.slick-header-column').each(function (index) {\n\t          newColumns.push(columns[(0, _jquery2.default)(this).data('index')]);\n\t          (0, _jquery2.default)(this).removeData('index');\n\t        });\n\t\n\t        setColumns(newColumns);\n\t        trigger(self.onColumnsReordered, { grid: self });\n\t        setupColumnResize();\n\t      }\n\t    }).dropzone({\n\t      accept: '.slick-header-column',\n\t\n\t      ondragenter: function ondragenter(event) {\n\t        event.target.classList.add('interact-drop-active');\n\t        event.relatedTarget.classList.add('interact-can-drop');\n\t      },\n\t\n\t      ondragleave: function ondragleave(event) {\n\t        event.target.classList.remove('interact-drop-active');\n\t        event.relatedTarget.classList.remove('interact-can-drop');\n\t      },\n\t\n\t      ondrop: function ondrop(event) {\n\t        event.target.classList.remove('interact-drop-active');\n\t        event.relatedTarget.classList.remove('interact-can-drop');\n\t        (0, _jquery2.default)(event.target)[x > 0 ? 'after' : 'before'](event.relatedTarget);\n\t      }\n\t    }).styleCursor(false);\n\t  }\n\t\n\t  function setupColumnResize() {\n\t    var $col, j, c, pageX, columnElements, minPageX, maxPageX, firstResizable, lastResizable;\n\t    columnElements = $headers.children();\n\t    columnElements.find('.slick-resizable-handle').remove();\n\t    columnElements.each(function (i, e) {\n\t      if (columns[i].resizable) {\n\t        if (firstResizable === undefined) {\n\t          firstResizable = i;\n\t        }\n\t        lastResizable = i;\n\t      }\n\t    });\n\t    if (firstResizable === undefined) {\n\t      return;\n\t    }\n\t    columnElements.each(function (i, element) {\n\t      if (i < firstResizable || options.forceFitColumns && i >= lastResizable) {\n\t        return;\n\t      }\n\t      $col = (0, _jquery2.default)(element);\n\t\n\t      var $handle = (0, _jquery2.default)(\"<div class='slick-resizable-handle' />\");\n\t      $handle.appendTo(element);\n\t\n\t      if ($col.data('resizable')) return;\n\t\n\t      var activeColumn = columns[i];\n\t      if (activeColumn.resizable) {\n\t        $col.data('resizable', true);\n\t        (0, _interact2.default)(element).resizable({\n\t          preserveAspectRatio: false,\n\t          edges: { left: true, right: true, bottom: false, top: false }\n\t        }).on('resizestart', function (event) {\n\t          if (!getEditorLock().commitCurrentEdit()) {\n\t            return false;\n\t          }\n\t          activeColumn.previousWidth = event.rect.width;\n\t          event.target.classList.add('slick-header-column-active');\n\t        }).on('resizemove', function (event) {\n\t          var x = event.dx;\n\t          var width = activeColumn.width += x;\n\t\n\t          if (activeColumn.minWidth > 0 && activeColumn.minWidth > width) width = activeColumn.minWidth;else if (activeColumn.maxWidth > 0 && activeColumn.maxWidth < width) width = activeColumn.maxWidth;\n\t\n\t          activeColumn.width = width;\n\t\n\t          if (options.forceFitColumns) {\n\t            autosizeColumns();\n\t          }\n\t          applyColumnHeaderWidths();\n\t          if (options.syncColumnCellResize) {\n\t            applyColumnWidths();\n\t          }\n\t        }).on('resizeend', function (event) {\n\t          event.target.classList.remove('slick-header-column-active');\n\t          invalidateAllRows();\n\t          updateCanvasWidth(true);\n\t          render();\n\t          trigger(self.onColumnsResized, { grid: self });\n\t        });\n\t      }\n\t    });\n\t  }\n\t\n\t  function getVBoxDelta($el) {\n\t    var p = ['borderTopWidth', 'borderBottomWidth', 'paddingTop', 'paddingBottom'];\n\t    var delta = 0;\n\t    _jquery2.default.each(p, function (n, val) {\n\t      delta += parseFloat($el.css(val)) || 0;\n\t    });\n\t    return delta;\n\t  }\n\t\n\t  function measureCellPaddingAndBorder() {\n\t    var el;\n\t    var h = ['borderLeftWidth', 'borderRightWidth', 'paddingLeft', 'paddingRight'];\n\t    var v = ['borderTopWidth', 'borderBottomWidth', 'paddingTop', 'paddingBottom'];\n\t\n\t    // jquery prior to version 1.8 handles .width setter/getter as a direct css write/read\n\t    // jquery 1.8 changed .width to read the true inner element width if box-sizing is set to border-box, and introduced a setter for .outerWidth\n\t    // so for equivalent functionality, prior to 1.8 use .width, and after use .outerWidth\n\t    var verArray = _jquery2.default.fn.jquery.split('.');\n\t    jQueryNewWidthBehaviour = verArray[0] == 1 && verArray[1] >= 8 || verArray[0] >= 2;\n\t\n\t    el = (0, _jquery2.default)(\"<div class='ui-state-default slick-header-column' style='visibility:hidden'>-</div>\").appendTo($headers);\n\t    headerColumnWidthDiff = headerColumnHeightDiff = 0;\n\t    if (el.css('box-sizing') != 'border-box' && el.css('-moz-box-sizing') != 'border-box' && el.css('-webkit-box-sizing') != 'border-box') {\n\t      _jquery2.default.each(h, function (n, val) {\n\t        headerColumnWidthDiff += parseFloat(el.css(val)) || 0;\n\t      });\n\t      _jquery2.default.each(v, function (n, val) {\n\t        headerColumnHeightDiff += parseFloat(el.css(val)) || 0;\n\t      });\n\t    }\n\t    el.remove();\n\t\n\t    var r = (0, _jquery2.default)(\"<div class='slick-row' />\").appendTo($canvas);\n\t    el = (0, _jquery2.default)(\"<div class='slick-cell' id='' style='visibility:hidden'>-</div>\").appendTo(r);\n\t    cellWidthDiff = cellHeightDiff = 0;\n\t    if (el.css('box-sizing') != 'border-box' && el.css('-moz-box-sizing') != 'border-box' && el.css('-webkit-box-sizing') != 'border-box') {\n\t      _jquery2.default.each(h, function (n, val) {\n\t        cellWidthDiff += parseFloat(el.css(val)) || 0;\n\t      });\n\t      _jquery2.default.each(v, function (n, val) {\n\t        cellHeightDiff += parseFloat(el.css(val)) || 0;\n\t      });\n\t    }\n\t    r.remove();\n\t\n\t    absoluteColumnMinWidth = Math.max(headerColumnWidthDiff, cellWidthDiff);\n\t  }\n\t\n\t  function createCssRules() {\n\t    $style = (0, _jquery2.default)(\"<style type='text/css' rel='stylesheet' />\").appendTo((0, _jquery2.default)(\"head\"));\n\t    var rowHeight = options.rowHeight - cellHeightDiff;\n\t    if ($style[0].styleSheet) {\n\t      // IE\n\t      $style[0].styleSheet.cssText = \"\";\n\t    } else {\n\t      $style[0].appendChild(document.createTextNode(\"\"));\n\t    }\n\t\n\t    var sheet = $style[0].sheet;\n\t    var index = 0;\n\t    addCSSRule(sheet, \".\" + uid + \" .slick-header-column\", \"left: 0;\", index++);\n\t    addCSSRule(sheet, \".\" + uid + \" .slick-top-panel\", \"height:\" + options.topPanelHeight + \"px;\", index++);\n\t    addCSSRule(sheet, \".\" + uid + \" .slick-headerrow-columns\", \"height:\" + options.headerRowHeight + \"px;\", index++);\n\t    addCSSRule(sheet, \".\" + uid + \" .slick-cell\", \"height:\" + rowHeight + \"px;\", index++);\n\t    addCSSRule(sheet, \".\" + uid + \" .slick-row\", \"height:\" + options.rowHeight + \"px;\", index++);\n\t\n\t    for (var i = 0; i < columns.length; i++) {\n\t      addCSSRule(sheet, \".\" + uid + \" .l\" + i, \"\", index++);\n\t      addCSSRule(sheet, \".\" + uid + \" .r\" + i, \"\", index++);\n\t    }\n\t  }\n\t\n\t  function addCSSRule(sheet, selector, rules, index) {\n\t    if (sheet.insertRule) {\n\t      sheet.insertRule(selector + \"{\" + rules + \"}\", index);\n\t    } else {\n\t      sheet.addRule(selector, rules, index);\n\t    }\n\t  }\n\t\n\t  function getColumnCssRules(idx) {\n\t    if (!stylesheet) {\n\t      var sheets = document.styleSheets;\n\t      for (var i = 0; i < sheets.length; i++) {\n\t        if ((sheets[i].ownerNode || sheets[i].owningElement) == $style[0]) {\n\t          stylesheet = sheets[i];\n\t          break;\n\t        }\n\t      }\n\t\n\t      if (!stylesheet) {\n\t        throw new Error('Cannot find stylesheet.');\n\t      }\n\t\n\t      // find and cache column CSS rules\n\t      columnCssRulesL = [];\n\t      columnCssRulesR = [];\n\t      var cssRules = stylesheet.cssRules || stylesheet.rules;\n\t      var matches, columnIdx;\n\t      for (var i = 0; i < cssRules.length; i++) {\n\t        var selector = cssRules[i].selectorText;\n\t        if (matches = /\\.l\\d+/.exec(selector)) {\n\t          columnIdx = parseInt(matches[0].substr(2, matches[0].length - 2), 10);\n\t          columnCssRulesL[columnIdx] = cssRules[i];\n\t        } else if (matches = /\\.r\\d+/.exec(selector)) {\n\t          columnIdx = parseInt(matches[0].substr(2, matches[0].length - 2), 10);\n\t          columnCssRulesR[columnIdx] = cssRules[i];\n\t        }\n\t      }\n\t    }\n\t\n\t    return {\n\t      'left': columnCssRulesL[idx],\n\t      'right': columnCssRulesR[idx]\n\t    };\n\t  }\n\t\n\t  function removeCssRules() {\n\t    $style.remove();\n\t    stylesheet = null;\n\t  }\n\t\n\t  function destroy() {\n\t    getEditorLock().cancelCurrentEdit();\n\t\n\t    trigger(self.onBeforeDestroy, { grid: self });\n\t\n\t    var i = plugins.length;\n\t    while (i--) {\n\t      unregisterPlugin(plugins[i]);\n\t    }\n\t\n\t    unbindAncestorScrollEvents();\n\t    $container.unbind('.slickgrid');\n\t    removeCssRules();\n\t\n\t    $container.empty().removeClass(uid);\n\t  }\n\t\n\t  // ////////////////////////////////////////////////////////////////////////////////////////////\n\t  // General\n\t\n\t  function trigger(evt, args, e) {\n\t    e = e || new _slick2.default.EventData();\n\t    args = args || {};\n\t    args.grid = self;\n\t    return evt.notify(args, e, self);\n\t  }\n\t\n\t  function getEditorLock() {\n\t    return options.editorLock;\n\t  }\n\t\n\t  function getEditController() {\n\t    return editController;\n\t  }\n\t\n\t  function getColumnIndex(id) {\n\t    return columnsById[id];\n\t  }\n\t\n\t  function autosizeColumns() {\n\t    var i,\n\t        c,\n\t        widths = [],\n\t        shrinkLeeway = 0,\n\t        total = 0,\n\t        prevTotal,\n\t        availWidth = viewportHasVScroll ? viewportW - scrollbarDimensions.width : viewportW;\n\t\n\t    for (i = 0; i < columns.length; i++) {\n\t      c = columns[i];\n\t      widths.push(c.width);\n\t      total += c.width;\n\t      if (c.resizable) {\n\t        shrinkLeeway += c.width - Math.max(c.minWidth, absoluteColumnMinWidth);\n\t      }\n\t    }\n\t\n\t    // shrink\n\t    prevTotal = total;\n\t    while (total > availWidth && shrinkLeeway) {\n\t      var shrinkProportion = (total - availWidth) / shrinkLeeway;\n\t      for (i = 0; i < columns.length && total > availWidth; i++) {\n\t        c = columns[i];\n\t        var width = widths[i];\n\t        if (!c.resizable || width <= c.minWidth || width <= absoluteColumnMinWidth) {\n\t          continue;\n\t        }\n\t        var absMinWidth = Math.max(c.minWidth, absoluteColumnMinWidth);\n\t        var shrinkSize = Math.floor(shrinkProportion * (width - absMinWidth)) || 1;\n\t        shrinkSize = Math.min(shrinkSize, width - absMinWidth);\n\t        total -= shrinkSize;\n\t        shrinkLeeway -= shrinkSize;\n\t        widths[i] -= shrinkSize;\n\t      }\n\t      if (prevTotal <= total) {\n\t        // avoid infinite loop\n\t        break;\n\t      }\n\t      prevTotal = total;\n\t    }\n\t\n\t    // grow\n\t    prevTotal = total;\n\t    while (total < availWidth) {\n\t      var growProportion = availWidth / total;\n\t      for (i = 0; i < columns.length && total < availWidth; i++) {\n\t        c = columns[i];\n\t        var currentWidth = widths[i];\n\t        var growSize;\n\t\n\t        if (!c.resizable || c.maxWidth <= currentWidth) {\n\t          growSize = 0;\n\t        } else {\n\t          growSize = Math.min(Math.floor(growProportion * currentWidth) - currentWidth, c.maxWidth - currentWidth || 1000000) || 1;\n\t        }\n\t        total += growSize;\n\t        widths[i] += total <= availWidth ? growSize : 0;\n\t      }\n\t      if (prevTotal >= total) {\n\t        // avoid infinite loop\n\t        break;\n\t      }\n\t      prevTotal = total;\n\t    }\n\t\n\t    var reRender = false;\n\t    for (i = 0; i < columns.length; i++) {\n\t      if (columns[i].rerenderOnResize && columns[i].width != widths[i]) {\n\t        reRender = true;\n\t      }\n\t      columns[i].width = widths[i];\n\t    }\n\t\n\t    applyColumnHeaderWidths();\n\t    updateCanvasWidth(true);\n\t    if (reRender) {\n\t      invalidateAllRows();\n\t      render();\n\t    }\n\t  }\n\t\n\t  function applyColumnHeaderWidths() {\n\t    if (!initialized) {\n\t      return;\n\t    }\n\t    var h;\n\t    for (var i = 0, headers = $headers.children('[id]'), ii = headers.length; i < ii; i++) {\n\t      h = (0, _jquery2.default)(headers[i]);\n\t      if (jQueryNewWidthBehaviour) {\n\t        if (h.outerWidth() !== columns[i].width) {\n\t          h.outerWidth(columns[i].width);\n\t        }\n\t      } else {\n\t        if (h.width() !== columns[i].width - headerColumnWidthDiff) {\n\t          h.width(columns[i].width - headerColumnWidthDiff);\n\t        }\n\t      }\n\t    }\n\t\n\t    updateColumnCaches();\n\t  }\n\t\n\t  function applyColumnWidths() {\n\t    var x = 0,\n\t        w,\n\t        rule;\n\t    for (var i = 0; i < columns.length; i++) {\n\t      w = columns[i].width;\n\t\n\t      rule = getColumnCssRules(i);\n\t      rule.left.style.left = x + 'px';\n\t      rule.right.style.right = canvasWidth - x - w + 'px';\n\t\n\t      x += columns[i].width;\n\t    }\n\t  }\n\t\n\t  function setSortColumn(columnId, ascending) {\n\t    setSortColumns([{ columnId: columnId, sortAsc: ascending }]);\n\t  }\n\t\n\t  function setSortColumns(cols) {\n\t    sortColumns = cols;\n\t\n\t    var headerColumnEls = $headers.children();\n\t    headerColumnEls.removeClass('slick-header-column-sorted').find('.slick-sort-indicator').removeClass('slick-sort-indicator-asc slick-sort-indicator-desc');\n\t\n\t    _jquery2.default.each(sortColumns, function (i, col) {\n\t      if (col.sortAsc == null) {\n\t        col.sortAsc = true;\n\t      }\n\t      var columnIndex = getColumnIndex(col.columnId);\n\t      if (columnIndex != null) {\n\t        headerColumnEls.eq(columnIndex).addClass('slick-header-column-sorted').find('.slick-sort-indicator').addClass(col.sortAsc ? 'slick-sort-indicator-asc' : 'slick-sort-indicator-desc');\n\t      }\n\t    });\n\t  }\n\t\n\t  function getSortColumns() {\n\t    return sortColumns;\n\t  }\n\t\n\t  function handleSelectedRangesChanged(e, ranges) {\n\t    selectedRows = [];\n\t    var hash = {};\n\t    for (var i = 0; i < ranges.length; i++) {\n\t      for (var j = ranges[i].fromRow; j <= ranges[i].toRow; j++) {\n\t        if (!hash[j]) {\n\t          // prevent duplicates\n\t          selectedRows.push(j);\n\t          hash[j] = {};\n\t        }\n\t        for (var k = ranges[i].fromCell; k <= ranges[i].toCell; k++) {\n\t          if (canCellBeSelected(j, k)) {\n\t            hash[j][columns[k].id] = options.selectedCellCssClass;\n\t          }\n\t        }\n\t      }\n\t    }\n\t\n\t    setCellCssStyles(options.selectedCellCssClass, hash);\n\t\n\t    trigger(self.onSelectedRowsChanged, { rows: getSelectedRows(), grid: self }, e);\n\t  }\n\t\n\t  function getColumns() {\n\t    return columns;\n\t  }\n\t\n\t  function updateColumnCaches() {\n\t    // Pre-calculate cell boundaries.\n\t    columnPosLeft = [];\n\t    columnPosRight = [];\n\t    var x = 0;\n\t    for (var i = 0, ii = columns.length; i < ii; i++) {\n\t      columnPosLeft[i] = x;\n\t      columnPosRight[i] = x + columns[i].width;\n\t      x += columns[i].width;\n\t    }\n\t  }\n\t\n\t  function setColumns(columnDefinitions) {\n\t    columns = columnDefinitions;\n\t\n\t    columnsById = {};\n\t    for (var i = 0; i < columns.length; i++) {\n\t      var m = columns[i] = _jquery2.default.extend({}, columnDefaults, columns[i]);\n\t      columnsById[m.id] = i;\n\t      if (m.minWidth && m.width < m.minWidth) {\n\t        m.width = m.minWidth;\n\t      }\n\t      if (m.maxWidth && m.width > m.maxWidth) {\n\t        m.width = m.maxWidth;\n\t      }\n\t    }\n\t\n\t    updateColumnCaches();\n\t\n\t    if (initialized) {\n\t      invalidateAllRows();\n\t      createColumnHeaders();\n\t      removeCssRules();\n\t      createCssRules();\n\t      resizeCanvas();\n\t      applyColumnWidths();\n\t      handleScroll();\n\t    }\n\t  }\n\t\n\t  function getOptions() {\n\t    return options;\n\t  }\n\t\n\t  function setOptions(args) {\n\t    if (!getEditorLock().commitCurrentEdit()) {\n\t      return;\n\t    }\n\t\n\t    makeActiveCellNormal();\n\t\n\t    if (options.enableAddRow !== args.enableAddRow) {\n\t      invalidateRow(getDataLength());\n\t    }\n\t\n\t    options = _jquery2.default.extend(options, args);\n\t    validateAndEnforceOptions();\n\t\n\t    $viewport.css('overflow-y', options.autoHeight ? 'hidden' : 'auto');\n\t    render();\n\t  }\n\t\n\t  function validateAndEnforceOptions() {\n\t    if (options.autoHeight) {\n\t      options.leaveSpaceForNewRows = false;\n\t    }\n\t  }\n\t\n\t  function setData(newData, scrollToTop) {\n\t    data = newData;\n\t    invalidateAllRows();\n\t    updateRowCount();\n\t    if (scrollToTop) {\n\t      scrollTo(0);\n\t    }\n\t  }\n\t\n\t  function getData() {\n\t    return data;\n\t  }\n\t\n\t  function getDataLength() {\n\t    if (data.getLength) {\n\t      return data.getLength();\n\t    } else {\n\t      return data.length;\n\t    }\n\t  }\n\t\n\t  function getDataLengthIncludingAddNew() {\n\t    return getDataLength() + (options.enableAddRow ? 1 : 0);\n\t  }\n\t\n\t  function getDataItem(i) {\n\t    if (data.getItem) {\n\t      return data.getItem(i);\n\t    } else {\n\t      return data[i];\n\t    }\n\t  }\n\t\n\t  function getTopPanel() {\n\t    return $topPanel[0];\n\t  }\n\t\n\t  function setTopPanelVisibility(visible) {\n\t    if (options.showTopPanel != visible) {\n\t      options.showTopPanel = visible;\n\t      if (visible) {\n\t        $topPanelScroller.slideDown('fast', resizeCanvas);\n\t      } else {\n\t        $topPanelScroller.slideUp('fast', resizeCanvas);\n\t      }\n\t    }\n\t  }\n\t\n\t  function setHeaderRowVisibility(visible) {\n\t    if (options.showHeaderRow != visible) {\n\t      options.showHeaderRow = visible;\n\t      if (visible) {\n\t        $headerRowScroller.slideDown('fast', resizeCanvas);\n\t      } else {\n\t        $headerRowScroller.slideUp('fast', resizeCanvas);\n\t      }\n\t    }\n\t  }\n\t\n\t  function setFooterRowVisibility(visible) {\n\t    if (options.showFooterRow != visible) {\n\t      options.showFooterRow = visible;\n\t      if (visible) {\n\t        $footerRowScroller.slideDown('fast', resizeCanvas);\n\t      } else {\n\t        $footerRowScroller.slideUp('fast', resizeCanvas);\n\t      }\n\t    }\n\t  }\n\t\n\t  function getContainerNode() {\n\t    return $container.get(0);\n\t  }\n\t\n\t  // ////////////////////////////////////////////////////////////////////////////////////////////\n\t  // Rendering / Scrolling\n\t\n\t  function getRowTop(row) {\n\t    return options.rowHeight * row - offset;\n\t  }\n\t\n\t  function getRowFromPosition(y) {\n\t    return Math.floor((y + offset) / options.rowHeight);\n\t  }\n\t\n\t  function scrollTo(y) {\n\t    y = Math.max(y, 0);\n\t    y = Math.min(y, th - viewportH + (viewportHasHScroll ? scrollbarDimensions.height : 0));\n\t\n\t    var oldOffset = offset;\n\t\n\t    page = Math.min(n - 1, Math.floor(y / ph));\n\t    offset = Math.round(page * cj);\n\t    var newScrollTop = y - offset;\n\t\n\t    if (offset != oldOffset) {\n\t      var range = getVisibleRange(newScrollTop);\n\t      cleanupRows(range);\n\t      updateRowPositions();\n\t    }\n\t\n\t    if (prevScrollTop != newScrollTop) {\n\t      vScrollDir = prevScrollTop + oldOffset < newScrollTop + offset ? 1 : -1;\n\t      $viewport[0].scrollTop = lastRenderedScrollTop = scrollTop = prevScrollTop = newScrollTop;\n\t\n\t      trigger(self.onViewportChanged, { grid: self });\n\t    }\n\t  }\n\t\n\t  function defaultFormatter(row, cell, value, columnDef, dataContext) {\n\t    if (value == null) {\n\t      return '';\n\t    } else {\n\t      return (value + '').replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;');\n\t    }\n\t  }\n\t\n\t  function getFormatter(row, column) {\n\t    var rowMetadata = data.getItemMetadata && data.getItemMetadata(row);\n\t\n\t    // look up by id, then index\n\t    var columnOverrides = rowMetadata && rowMetadata.columns && (rowMetadata.columns[column.id] || rowMetadata.columns[getColumnIndex(column.id)]);\n\t\n\t    return columnOverrides && columnOverrides.formatter || rowMetadata && rowMetadata.formatter || column.formatter || options.formatterFactory && options.formatterFactory.getFormatter(column) || options.defaultFormatter;\n\t  }\n\t\n\t  function getEditor(row, cell) {\n\t    var column = columns[cell];\n\t    var rowMetadata = data.getItemMetadata && data.getItemMetadata(row);\n\t    var columnMetadata = rowMetadata && rowMetadata.columns;\n\t\n\t    if (columnMetadata && columnMetadata[column.id] && columnMetadata[column.id].editor !== undefined) {\n\t      return columnMetadata[column.id].editor;\n\t    }\n\t    if (columnMetadata && columnMetadata[cell] && columnMetadata[cell].editor !== undefined) {\n\t      return columnMetadata[cell].editor;\n\t    }\n\t\n\t    return column.editor || options.editorFactory && options.editorFactory.getEditor(column);\n\t  }\n\t\n\t  function getDataItemValueForColumn(item, columnDef) {\n\t    if (options.dataItemColumnValueExtractor) {\n\t      return options.dataItemColumnValueExtractor(item, columnDef);\n\t    }\n\t    return item[columnDef.field];\n\t  }\n\t\n\t  function appendRowHtml(stringArray, row, range, dataLength) {\n\t    var d = getDataItem(row);\n\t    var dataLoading = row < dataLength && !d;\n\t    var rowCss = 'slick-row' + (dataLoading ? ' loading' : '') + (row === activeRow ? ' active' : '') + (row % 2 == 1 ? ' odd' : ' even');\n\t\n\t    if (!d) {\n\t      rowCss += ' ' + options.addNewRowCssClass;\n\t    }\n\t\n\t    var metadata = data.getItemMetadata && data.getItemMetadata(row);\n\t\n\t    if (metadata && metadata.cssClasses) {\n\t      rowCss += ' ' + metadata.cssClasses;\n\t    }\n\t\n\t    stringArray.push(\"<div class='ui-widget-content \" + rowCss + \"' style='top:\" + getRowTop(row) + \"px'>\");\n\t\n\t    var colspan, m;\n\t    for (var i = 0, ii = columns.length; i < ii; i++) {\n\t      m = columns[i];\n\t      colspan = 1;\n\t      if (metadata && metadata.columns) {\n\t        var columnData = metadata.columns[m.id] || metadata.columns[i];\n\t        colspan = columnData && columnData.colspan || 1;\n\t        if (colspan === '*') {\n\t          colspan = ii - i;\n\t        }\n\t      }\n\t\n\t      // Do not render cells outside of the viewport.\n\t      if (columnPosRight[Math.min(ii - 1, i + colspan - 1)] > range.leftPx) {\n\t        if (columnPosLeft[i] > range.rightPx) {\n\t          // All columns to the right are outside the range.\n\t          break;\n\t        }\n\t\n\t        appendCellHtml(stringArray, row, i, colspan, d);\n\t      }\n\t\n\t      if (colspan > 1) {\n\t        i += colspan - 1;\n\t      }\n\t    }\n\t\n\t    stringArray.push('</div>');\n\t  }\n\t\n\t  function appendCellHtml(stringArray, row, cell, colspan, item) {\n\t    // stringArray: stringBuilder containing the HTML parts\n\t    // row, cell: row and column index\n\t    // colspan: HTML colspan\n\t    // item: grid data for row\n\t\n\t    var m = columns[cell];\n\t    var cellCss = 'slick-cell l' + cell + ' r' + Math.min(columns.length - 1, cell + colspan - 1) + (m.cssClass ? ' ' + m.cssClass : '');\n\t    if (row === activeRow && cell === activeCell) {\n\t      cellCss += ' active';\n\t    }\n\t\n\t    // TODO:  merge them together in the setter\n\t    for (var key in cellCssClasses) {\n\t      if (cellCssClasses[key][row] && cellCssClasses[key][row][m.id]) {\n\t        cellCss += ' ' + cellCssClasses[key][row][m.id];\n\t      }\n\t    }\n\t\n\t    stringArray.push(\"<div class='\" + cellCss + \"'>\");\n\t\n\t    // if there is a corresponding row (if not, this is the Add New row or this data hasn't been loaded yet)\n\t    if (item) {\n\t      var value = getDataItemValueForColumn(item, m);\n\t      stringArray.push(getFormatter(row, m)(row, cell, value, m, item));\n\t    }\n\t\n\t    stringArray.push('</div>');\n\t\n\t    rowsCache[row].cellRenderQueue.push(cell);\n\t    rowsCache[row].cellColSpans[cell] = colspan;\n\t  }\n\t\n\t  function cleanupRows(rangeToKeep) {\n\t    for (var i in rowsCache) {\n\t      if ((i = parseInt(i, 10)) !== activeRow && (i < rangeToKeep.top || i > rangeToKeep.bottom)) {\n\t        removeRowFromCache(i);\n\t      }\n\t    }\n\t    if (options.enableAsyncPostRenderCleanup) {\n\t      startPostProcessingCleanup();\n\t    }\n\t  }\n\t\n\t  function invalidate() {\n\t    updateRowCount();\n\t    invalidateAllRows();\n\t    render();\n\t  }\n\t\n\t  function invalidateAllRows() {\n\t    if (currentEditor) {\n\t      makeActiveCellNormal();\n\t    }\n\t    for (var row in rowsCache) {\n\t      removeRowFromCache(row);\n\t    }\n\t    if (options.enableAsyncPostRenderCleanup) {\n\t      startPostProcessingCleanup();\n\t    }\n\t  }\n\t\n\t  function queuePostProcessedRowForCleanup(cacheEntry, postProcessedRow, rowIdx) {\n\t    postProcessgroupId++;\n\t\n\t    // store and detach node for later async cleanup\n\t    for (var columnIdx in postProcessedRow) {\n\t      if (postProcessedRow.hasOwnProperty(columnIdx)) {\n\t        postProcessedCleanupQueue.push({\n\t          actionType: 'C',\n\t          groupId: postProcessgroupId,\n\t          node: cacheEntry.cellNodesByColumnIdx[columnIdx | 0],\n\t          columnIdx: columnIdx | 0,\n\t          rowIdx: rowIdx\n\t        });\n\t      }\n\t    }\n\t    postProcessedCleanupQueue.push({\n\t      actionType: 'R',\n\t      groupId: postProcessgroupId,\n\t      node: cacheEntry.rowNode\n\t    });\n\t    (0, _jquery2.default)(cacheEntry.rowNode).detach();\n\t  }\n\t\n\t  function queuePostProcessedCellForCleanup(cellnode, columnIdx, rowIdx) {\n\t    postProcessedCleanupQueue.push({\n\t      actionType: 'C',\n\t      groupId: postProcessgroupId,\n\t      node: cellnode,\n\t      columnIdx: columnIdx,\n\t      rowIdx: rowIdx\n\t    });\n\t    (0, _jquery2.default)(cellnode).detach();\n\t  }\n\t\n\t  function removeRowFromCache(row) {\n\t    var cacheEntry = rowsCache[row];\n\t    if (!cacheEntry) {\n\t      return;\n\t    }\n\t\n\t    if (rowNodeFromLastMouseWheelEvent === cacheEntry.rowNode) {\n\t      cacheEntry.rowNode.style.display = 'none';\n\t      zombieRowNodeFromLastMouseWheelEvent = rowNodeFromLastMouseWheelEvent;\n\t      zombieRowCacheFromLastMouseWheelEvent = cacheEntry;\n\t      zombieRowPostProcessedFromLastMouseWheelEvent = postProcessedRows[row];\n\t      // ignore post processing cleanup in this case - it will be dealt with later\n\t    } else {\n\t      if (options.enableAsyncPostRenderCleanup && postProcessedRows[row]) {\n\t        queuePostProcessedRowForCleanup(cacheEntry, postProcessedRows[row], row);\n\t      } else {\n\t        $canvas[0].removeChild(cacheEntry.rowNode);\n\t      }\n\t    }\n\t\n\t    delete rowsCache[row];\n\t    delete postProcessedRows[row];\n\t    renderedRows--;\n\t    counter_rows_removed++;\n\t  }\n\t\n\t  function invalidateRows(rows) {\n\t    var i, rl;\n\t    if (!rows || !rows.length) {\n\t      return;\n\t    }\n\t    vScrollDir = 0;\n\t    for (i = 0, rl = rows.length; i < rl; i++) {\n\t      if (currentEditor && activeRow === rows[i]) {\n\t        makeActiveCellNormal();\n\t      }\n\t      if (rowsCache[rows[i]]) {\n\t        removeRowFromCache(rows[i]);\n\t      }\n\t    }\n\t    if (options.enableAsyncPostRenderCleanup) {\n\t      startPostProcessingCleanup();\n\t    }\n\t  }\n\t\n\t  function invalidateRow(row) {\n\t    invalidateRows([row]);\n\t  }\n\t\n\t  function updateCell(row, cell) {\n\t    var cellNode = getCellNode(row, cell);\n\t    if (!cellNode) {\n\t      return;\n\t    }\n\t\n\t    var m = columns[cell],\n\t        d = getDataItem(row);\n\t    if (currentEditor && activeRow === row && activeCell === cell) {\n\t      currentEditor.loadValue(d);\n\t    } else {\n\t      cellNode.innerHTML = d ? getFormatter(row, m)(row, cell, getDataItemValueForColumn(d, m), m, d) : '';\n\t      invalidatePostProcessingResults(row);\n\t    }\n\t  }\n\t\n\t  function updateRow(row) {\n\t    var cacheEntry = rowsCache[row];\n\t    if (!cacheEntry) {\n\t      return;\n\t    }\n\t\n\t    ensureCellNodesInRowsCache(row);\n\t\n\t    var d = getDataItem(row);\n\t\n\t    for (var columnIdx in cacheEntry.cellNodesByColumnIdx) {\n\t      if (!cacheEntry.cellNodesByColumnIdx.hasOwnProperty(columnIdx)) {\n\t        continue;\n\t      }\n\t\n\t      columnIdx = columnIdx | 0;\n\t      var m = columns[columnIdx],\n\t          node = cacheEntry.cellNodesByColumnIdx[columnIdx];\n\t\n\t      if (row === activeRow && columnIdx === activeCell && currentEditor) {\n\t        currentEditor.loadValue(d);\n\t      } else if (d) {\n\t        node.innerHTML = getFormatter(row, m)(row, columnIdx, getDataItemValueForColumn(d, m), m, d);\n\t      } else {\n\t        node.innerHTML = '';\n\t      }\n\t    }\n\t\n\t    invalidatePostProcessingResults(row);\n\t  }\n\t\n\t  function getViewportHeight() {\n\t    return parseFloat(_jquery2.default.css($container[0], 'height', true)) - parseFloat(_jquery2.default.css($container[0], 'paddingTop', true)) - parseFloat(_jquery2.default.css($container[0], 'paddingBottom', true)) - parseFloat(_jquery2.default.css($headerScroller[0], 'height')) - getVBoxDelta($headerScroller) - (options.showTopPanel ? options.topPanelHeight + getVBoxDelta($topPanelScroller) : 0) - (options.showHeaderRow ? options.headerRowHeight + getVBoxDelta($headerRowScroller) : 0) - (options.createFooterRow && options.showFooterRow ? options.footerRowHeight + getVBoxDelta($footerRowScroller) : 0);\n\t  }\n\t\n\t  function resizeCanvas() {\n\t    if (!initialized) {\n\t      return;\n\t    }\n\t    if (options.autoHeight) {\n\t      viewportH = options.rowHeight * getDataLengthIncludingAddNew();\n\t    } else {\n\t      viewportH = getViewportHeight();\n\t    }\n\t\n\t    numVisibleRows = Math.ceil(viewportH / options.rowHeight);\n\t    viewportW = parseFloat(_jquery2.default.css($container[0], 'width', true));\n\t    if (!options.autoHeight) {\n\t      $viewport.height(viewportH);\n\t    }\n\t\n\t    if (options.forceFitColumns) {\n\t      autosizeColumns();\n\t    }\n\t\n\t    updateRowCount();\n\t    handleScroll();\n\t    // Since the width has changed, force the render() to reevaluate virtually rendered cells.\n\t    lastRenderedScrollLeft = -1;\n\t    render();\n\t  }\n\t\n\t  function updateRowCount() {\n\t    if (!initialized) {\n\t      return;\n\t    }\n\t\n\t    var dataLengthIncludingAddNew = getDataLengthIncludingAddNew();\n\t    var numberOfRows = dataLengthIncludingAddNew + (options.leaveSpaceForNewRows ? numVisibleRows - 1 : 0);\n\t\n\t    var oldViewportHasVScroll = viewportHasVScroll;\n\t    // with autoHeight, we do not need to accommodate the vertical scroll bar\n\t    viewportHasVScroll = !options.autoHeight && numberOfRows * options.rowHeight > viewportH;\n\t    viewportHasHScroll = canvasWidth > viewportW - scrollbarDimensions.width;\n\t\n\t    makeActiveCellNormal();\n\t\n\t    // remove the rows that are now outside of the data range\n\t    // this helps avoid redundant calls to .removeRow() when the size of the data decreased by thousands of rows\n\t    var l = dataLengthIncludingAddNew - 1;\n\t    for (var i in rowsCache) {\n\t      if (i > l) {\n\t        removeRowFromCache(i);\n\t      }\n\t    }\n\t    if (options.enableAsyncPostRenderCleanup) {\n\t      startPostProcessingCleanup();\n\t    }\n\t\n\t    if (activeCellNode && activeRow > l) {\n\t      resetActiveCell();\n\t    }\n\t\n\t    var oldH = h;\n\t    th = Math.max(options.rowHeight * numberOfRows, viewportH - scrollbarDimensions.height);\n\t    if (th < maxSupportedCssHeight) {\n\t      // just one page\n\t      h = ph = th;\n\t      n = 1;\n\t      cj = 0;\n\t    } else {\n\t      // break into pages\n\t      h = maxSupportedCssHeight;\n\t      ph = h / 100;\n\t      n = Math.floor(th / ph);\n\t      cj = (th - h) / (n - 1);\n\t    }\n\t\n\t    if (h !== oldH) {\n\t      $canvas.css('height', h);\n\t      scrollTop = $viewport[0].scrollTop;\n\t    }\n\t\n\t    var oldScrollTopInRange = scrollTop + offset <= th - viewportH;\n\t\n\t    if (th == 0 || scrollTop == 0) {\n\t      page = offset = 0;\n\t    } else if (oldScrollTopInRange) {\n\t      // maintain virtual position\n\t      scrollTo(scrollTop + offset);\n\t    } else {\n\t      // scroll to bottom\n\t      scrollTo(th - viewportH);\n\t    }\n\t\n\t    if (h != oldH && options.autoHeight) {\n\t      resizeCanvas();\n\t    }\n\t\n\t    if (options.forceFitColumns && oldViewportHasVScroll != viewportHasVScroll) {\n\t      autosizeColumns();\n\t    }\n\t    updateCanvasWidth(false);\n\t  }\n\t\n\t  function getVisibleRange(viewportTop, viewportLeft) {\n\t    if (viewportTop == null) {\n\t      viewportTop = scrollTop;\n\t    }\n\t    if (viewportLeft == null) {\n\t      viewportLeft = scrollLeft;\n\t    }\n\t\n\t    return {\n\t      top: getRowFromPosition(viewportTop),\n\t      bottom: getRowFromPosition(viewportTop + viewportH) + 1,\n\t      leftPx: viewportLeft,\n\t      rightPx: viewportLeft + viewportW\n\t    };\n\t  }\n\t\n\t  function getRenderedRange(viewportTop, viewportLeft) {\n\t    var range = getVisibleRange(viewportTop, viewportLeft);\n\t    var buffer = Math.round(viewportH / options.rowHeight);\n\t    var minBuffer = 3;\n\t\n\t    if (vScrollDir == -1) {\n\t      range.top -= buffer;\n\t      range.bottom += minBuffer;\n\t    } else if (vScrollDir == 1) {\n\t      range.top -= minBuffer;\n\t      range.bottom += buffer;\n\t    } else {\n\t      range.top -= minBuffer;\n\t      range.bottom += minBuffer;\n\t    }\n\t\n\t    range.top = Math.max(0, range.top);\n\t    range.bottom = Math.min(getDataLengthIncludingAddNew() - 1, range.bottom);\n\t\n\t    range.leftPx -= viewportW;\n\t    range.rightPx += viewportW;\n\t\n\t    range.leftPx = Math.max(0, range.leftPx);\n\t    range.rightPx = Math.min(canvasWidth, range.rightPx);\n\t\n\t    return range;\n\t  }\n\t\n\t  function ensureCellNodesInRowsCache(row) {\n\t    var cacheEntry = rowsCache[row];\n\t    if (cacheEntry) {\n\t      if (cacheEntry.cellRenderQueue.length) {\n\t        var lastChild = cacheEntry.rowNode.lastChild;\n\t        while (cacheEntry.cellRenderQueue.length) {\n\t          var columnIdx = cacheEntry.cellRenderQueue.pop();\n\t          cacheEntry.cellNodesByColumnIdx[columnIdx] = lastChild;\n\t          lastChild = lastChild.previousSibling;\n\t        }\n\t      }\n\t    }\n\t  }\n\t\n\t  function cleanUpCells(range, row) {\n\t    var totalCellsRemoved = 0;\n\t    var cacheEntry = rowsCache[row];\n\t\n\t    // Remove cells outside the range.\n\t    var cellsToRemove = [];\n\t    for (var i in cacheEntry.cellNodesByColumnIdx) {\n\t      // I really hate it when people mess with Array.prototype.\n\t      if (!cacheEntry.cellNodesByColumnIdx.hasOwnProperty(i)) {\n\t        continue;\n\t      }\n\t\n\t      // This is a string, so it needs to be cast back to a number.\n\t      i = i | 0;\n\t\n\t      var colspan = cacheEntry.cellColSpans[i];\n\t      if (columnPosLeft[i] > range.rightPx || columnPosRight[Math.min(columns.length - 1, i + colspan - 1)] < range.leftPx) {\n\t        if (!(row == activeRow && i == activeCell)) {\n\t          cellsToRemove.push(i);\n\t        }\n\t      }\n\t    }\n\t\n\t    var cellToRemove, node;\n\t    postProcessgroupId++;\n\t    while ((cellToRemove = cellsToRemove.pop()) != null) {\n\t      node = cacheEntry.cellNodesByColumnIdx[cellToRemove];\n\t      if (options.enableAsyncPostRenderCleanup && postProcessedRows[row] && postProcessedRows[row][cellToRemove]) {\n\t        queuePostProcessedCellForCleanup(node, cellToRemove, row);\n\t      } else {\n\t        cacheEntry.rowNode.removeChild(node);\n\t      }\n\t\n\t      delete cacheEntry.cellColSpans[cellToRemove];\n\t      delete cacheEntry.cellNodesByColumnIdx[cellToRemove];\n\t      if (postProcessedRows[row]) {\n\t        delete postProcessedRows[row][cellToRemove];\n\t      }\n\t      totalCellsRemoved++;\n\t    }\n\t  }\n\t\n\t  function cleanUpAndRenderCells(range) {\n\t    var cacheEntry;\n\t    var stringArray = [];\n\t    var processedRows = [];\n\t    var cellsAdded;\n\t    var totalCellsAdded = 0;\n\t    var colspan;\n\t\n\t    for (var row = range.top, btm = range.bottom; row <= btm; row++) {\n\t      cacheEntry = rowsCache[row];\n\t      if (!cacheEntry) {\n\t        continue;\n\t      }\n\t\n\t      // cellRenderQueue populated in renderRows() needs to be cleared first\n\t      ensureCellNodesInRowsCache(row);\n\t\n\t      cleanUpCells(range, row);\n\t\n\t      // Render missing cells.\n\t      cellsAdded = 0;\n\t\n\t      var metadata = data.getItemMetadata && data.getItemMetadata(row);\n\t      metadata = metadata && metadata.columns;\n\t\n\t      var d = getDataItem(row);\n\t\n\t      // TODO:  shorten this loop (index? heuristics? binary search?)\n\t      for (var i = 0, ii = columns.length; i < ii; i++) {\n\t        // Cells to the right are outside the range.\n\t        if (columnPosLeft[i] > range.rightPx) {\n\t          break;\n\t        }\n\t\n\t        // Already rendered.\n\t        if ((colspan = cacheEntry.cellColSpans[i]) != null) {\n\t          i += colspan > 1 ? colspan - 1 : 0;\n\t          continue;\n\t        }\n\t\n\t        colspan = 1;\n\t        if (metadata) {\n\t          var columnData = metadata[columns[i].id] || metadata[i];\n\t          colspan = columnData && columnData.colspan || 1;\n\t          if (colspan === '*') {\n\t            colspan = ii - i;\n\t          }\n\t        }\n\t\n\t        if (columnPosRight[Math.min(ii - 1, i + colspan - 1)] > range.leftPx) {\n\t          appendCellHtml(stringArray, row, i, colspan, d);\n\t          cellsAdded++;\n\t        }\n\t\n\t        i += colspan > 1 ? colspan - 1 : 0;\n\t      }\n\t\n\t      if (cellsAdded) {\n\t        totalCellsAdded += cellsAdded;\n\t        processedRows.push(row);\n\t      }\n\t    }\n\t\n\t    if (!stringArray.length) {\n\t      return;\n\t    }\n\t\n\t    var x = document.createElement('div');\n\t    x.innerHTML = stringArray.join('');\n\t\n\t    var processedRow;\n\t    var node;\n\t    while ((processedRow = processedRows.pop()) != null) {\n\t      cacheEntry = rowsCache[processedRow];\n\t      var columnIdx;\n\t      while ((columnIdx = cacheEntry.cellRenderQueue.pop()) != null) {\n\t        node = x.lastChild;\n\t        cacheEntry.rowNode.appendChild(node);\n\t        cacheEntry.cellNodesByColumnIdx[columnIdx] = node;\n\t      }\n\t    }\n\t  }\n\t\n\t  function renderRows(range) {\n\t    var parentNode = $canvas[0],\n\t        stringArray = [],\n\t        rows = [],\n\t        needToReselectCell = false,\n\t        dataLength = getDataLength();\n\t\n\t    for (var i = range.top, ii = range.bottom; i <= ii; i++) {\n\t      if (rowsCache[i]) {\n\t        continue;\n\t      }\n\t      renderedRows++;\n\t      rows.push(i);\n\t\n\t      // Create an entry right away so that appendRowHtml() can\n\t      // start populatating it.\n\t      rowsCache[i] = {\n\t        'rowNode': null,\n\t\n\t        // ColSpans of rendered cells (by column idx).\n\t        // Can also be used for checking whether a cell has been rendered.\n\t        'cellColSpans': [],\n\t\n\t        // Cell nodes (by column idx).  Lazy-populated by ensureCellNodesInRowsCache().\n\t        'cellNodesByColumnIdx': [],\n\t\n\t        // Column indices of cell nodes that have been rendered, but not yet indexed in\n\t        // cellNodesByColumnIdx.  These are in the same order as cell nodes added at the\n\t        // end of the row.\n\t        'cellRenderQueue': []\n\t      };\n\t\n\t      appendRowHtml(stringArray, i, range, dataLength);\n\t      if (activeCellNode && activeRow === i) {\n\t        needToReselectCell = true;\n\t      }\n\t      counter_rows_rendered++;\n\t    }\n\t\n\t    if (!rows.length) {\n\t      return;\n\t    }\n\t\n\t    var x = document.createElement('div');\n\t    x.innerHTML = stringArray.join('');\n\t\n\t    for (var i = 0, ii = rows.length; i < ii; i++) {\n\t      rowsCache[rows[i]].rowNode = parentNode.appendChild(x.firstChild);\n\t    }\n\t\n\t    if (needToReselectCell) {\n\t      activeCellNode = getCellNode(activeRow, activeCell);\n\t    }\n\t  }\n\t\n\t  function startPostProcessing() {\n\t    if (!options.enableAsyncPostRender) {\n\t      return;\n\t    }\n\t    clearTimeout(h_postrender);\n\t    h_postrender = setTimeout(asyncPostProcessRows, options.asyncPostRenderDelay);\n\t  }\n\t\n\t  function startPostProcessingCleanup() {\n\t    if (!options.enableAsyncPostRenderCleanup) {\n\t      return;\n\t    }\n\t    clearTimeout(h_postrenderCleanup);\n\t    h_postrenderCleanup = setTimeout(asyncPostProcessCleanupRows, options.asyncPostRenderCleanupDelay);\n\t  }\n\t\n\t  function invalidatePostProcessingResults(row) {\n\t    // change status of columns to be re-rendered\n\t    for (var columnIdx in postProcessedRows[row]) {\n\t      if (postProcessedRows[row].hasOwnProperty(columnIdx)) {\n\t        postProcessedRows[row][columnIdx] = 'C';\n\t      }\n\t    }\n\t    postProcessFromRow = Math.min(postProcessFromRow, row);\n\t    postProcessToRow = Math.max(postProcessToRow, row);\n\t    startPostProcessing();\n\t  }\n\t\n\t  function updateRowPositions() {\n\t    for (var row in rowsCache) {\n\t      rowsCache[row].rowNode.style.top = getRowTop(row) + 'px';\n\t    }\n\t  }\n\t\n\t  function render() {\n\t    if (!initialized) {\n\t      return;\n\t    }\n\t    var visible = getVisibleRange();\n\t    var rendered = getRenderedRange();\n\t\n\t    // remove rows no longer in the viewport\n\t    cleanupRows(rendered);\n\t\n\t    // add new rows & missing cells in existing rows\n\t    if (lastRenderedScrollLeft != scrollLeft) {\n\t      cleanUpAndRenderCells(rendered);\n\t    }\n\t\n\t    // render missing rows\n\t    renderRows(rendered);\n\t\n\t    postProcessFromRow = visible.top;\n\t    postProcessToRow = Math.min(getDataLengthIncludingAddNew() - 1, visible.bottom);\n\t    startPostProcessing();\n\t\n\t    lastRenderedScrollTop = scrollTop;\n\t    lastRenderedScrollLeft = scrollLeft;\n\t    h_render = null;\n\t  }\n\t\n\t  function handleHeaderRowScroll() {\n\t    var scrollLeft = $headerRowScroller[0].scrollLeft;\n\t    if (scrollLeft != $viewport[0].scrollLeft) {\n\t      $viewport[0].scrollLeft = scrollLeft;\n\t    }\n\t  }\n\t\n\t  function handleFooterRowScroll() {\n\t    var scrollLeft = $footerRowScroller[0].scrollLeft;\n\t    if (scrollLeft != $viewport[0].scrollLeft) {\n\t      $viewport[0].scrollLeft = scrollLeft;\n\t    }\n\t  }\n\t\n\t  function handleScroll() {\n\t    scrollTop = $viewport[0].scrollTop;\n\t    scrollLeft = $viewport[0].scrollLeft;\n\t    var vScrollDist = Math.abs(scrollTop - prevScrollTop);\n\t    var hScrollDist = Math.abs(scrollLeft - prevScrollLeft);\n\t\n\t    if (hScrollDist) {\n\t      prevScrollLeft = scrollLeft;\n\t      $headerScroller[0].scrollLeft = scrollLeft;\n\t      $topPanelScroller[0].scrollLeft = scrollLeft;\n\t      $headerRowScroller[0].scrollLeft = scrollLeft;\n\t      if (options.createFooterRow) {\n\t        $footerRowScroller[0].scrollLeft = scrollLeft;\n\t      }\n\t    }\n\t\n\t    if (vScrollDist) {\n\t      vScrollDir = prevScrollTop < scrollTop ? 1 : -1;\n\t      prevScrollTop = scrollTop;\n\t\n\t      // switch virtual pages if needed\n\t      if (vScrollDist < viewportH) {\n\t        scrollTo(scrollTop + offset);\n\t      } else {\n\t        var oldOffset = offset;\n\t        if (h == viewportH) {\n\t          page = 0;\n\t        } else {\n\t          page = Math.min(n - 1, Math.floor(scrollTop * ((th - viewportH) / (h - viewportH)) * (1 / ph)));\n\t        }\n\t        offset = Math.round(page * cj);\n\t        if (oldOffset != offset) {\n\t          invalidateAllRows();\n\t        }\n\t      }\n\t    }\n\t\n\t    if (hScrollDist || vScrollDist) {\n\t      if (h_render) {\n\t        clearTimeout(h_render);\n\t      }\n\t\n\t      if (Math.abs(lastRenderedScrollTop - scrollTop) > 20 || Math.abs(lastRenderedScrollLeft - scrollLeft) > 20) {\n\t        if (options.forceSyncScrolling || Math.abs(lastRenderedScrollTop - scrollTop) < viewportH && Math.abs(lastRenderedScrollLeft - scrollLeft) < viewportW) {\n\t          render();\n\t        } else {\n\t          h_render = setTimeout(render, 50);\n\t        }\n\t\n\t        trigger(self.onViewportChanged, { grid: self });\n\t      }\n\t    }\n\t\n\t    trigger(self.onScroll, { scrollLeft: scrollLeft, scrollTop: scrollTop, grid: self });\n\t  }\n\t\n\t  function asyncPostProcessRows() {\n\t    var dataLength = getDataLength();\n\t    while (postProcessFromRow <= postProcessToRow) {\n\t      var row = vScrollDir >= 0 ? postProcessFromRow++ : postProcessToRow--;\n\t      var cacheEntry = rowsCache[row];\n\t      if (!cacheEntry || row >= dataLength) {\n\t        continue;\n\t      }\n\t\n\t      if (!postProcessedRows[row]) {\n\t        postProcessedRows[row] = {};\n\t      }\n\t\n\t      ensureCellNodesInRowsCache(row);\n\t      for (var columnIdx in cacheEntry.cellNodesByColumnIdx) {\n\t        if (!cacheEntry.cellNodesByColumnIdx.hasOwnProperty(columnIdx)) {\n\t          continue;\n\t        }\n\t\n\t        columnIdx = columnIdx | 0;\n\t\n\t        var m = columns[columnIdx];\n\t        var processedStatus = postProcessedRows[row][columnIdx]; // C=cleanup and re-render, R=rendered\n\t        if (m.asyncPostRender && processedStatus !== 'R') {\n\t          var node = cacheEntry.cellNodesByColumnIdx[columnIdx];\n\t          if (node) {\n\t            m.asyncPostRender(node, row, getDataItem(row), m, processedStatus === 'C');\n\t          }\n\t          postProcessedRows[row][columnIdx] = 'R';\n\t        }\n\t      }\n\t\n\t      h_postrender = setTimeout(asyncPostProcessRows, options.asyncPostRenderDelay);\n\t      return;\n\t    }\n\t  }\n\t\n\t  function asyncPostProcessCleanupRows() {\n\t    if (postProcessedCleanupQueue.length > 0) {\n\t      var groupId = postProcessedCleanupQueue[0].groupId;\n\t\n\t      // loop through all queue members with this groupID\n\t      while (postProcessedCleanupQueue.length > 0 && postProcessedCleanupQueue[0].groupId == groupId) {\n\t        var entry = postProcessedCleanupQueue.shift();\n\t        if (entry.actionType == 'R') {\n\t          (0, _jquery2.default)(entry.node).remove();\n\t        }\n\t        if (entry.actionType == 'C') {\n\t          var column = columns[entry.columnIdx];\n\t          if (column.asyncPostRenderCleanup && entry.node) {\n\t            // cleanup must also remove element\n\t            column.asyncPostRenderCleanup(entry.node, entry.rowIdx, column);\n\t          }\n\t        }\n\t      }\n\t\n\t      // call this function again after the specified delay\n\t      h_postrenderCleanup = setTimeout(asyncPostProcessCleanupRows, options.asyncPostRenderCleanupDelay);\n\t    }\n\t  }\n\t\n\t  function updateCellCssStylesOnRenderedRows(addedHash, removedHash) {\n\t    var node, columnId, addedRowHash, removedRowHash;\n\t    for (var row in rowsCache) {\n\t      removedRowHash = removedHash && removedHash[row];\n\t      addedRowHash = addedHash && addedHash[row];\n\t\n\t      if (removedRowHash) {\n\t        for (columnId in removedRowHash) {\n\t          if (!addedRowHash || removedRowHash[columnId] != addedRowHash[columnId]) {\n\t            node = getCellNode(row, getColumnIndex(columnId));\n\t            if (node) {\n\t              (0, _jquery2.default)(node).removeClass(removedRowHash[columnId]);\n\t            }\n\t          }\n\t        }\n\t      }\n\t\n\t      if (addedRowHash) {\n\t        for (columnId in addedRowHash) {\n\t          if (!removedRowHash || removedRowHash[columnId] != addedRowHash[columnId]) {\n\t            node = getCellNode(row, getColumnIndex(columnId));\n\t            if (node) {\n\t              (0, _jquery2.default)(node).addClass(addedRowHash[columnId]);\n\t            }\n\t          }\n\t        }\n\t      }\n\t    }\n\t  }\n\t\n\t  function addCellCssStyles(key, hash) {\n\t    if (cellCssClasses[key]) {\n\t      throw \"addCellCssStyles: cell CSS hash with key '\" + key + \"' already exists.\";\n\t    }\n\t\n\t    cellCssClasses[key] = hash;\n\t    updateCellCssStylesOnRenderedRows(hash, null);\n\t\n\t    trigger(self.onCellCssStylesChanged, { 'key': key, 'hash': hash, 'grid': self });\n\t  }\n\t\n\t  function removeCellCssStyles(key) {\n\t    if (!cellCssClasses[key]) {\n\t      return;\n\t    }\n\t\n\t    updateCellCssStylesOnRenderedRows(null, cellCssClasses[key]);\n\t    delete cellCssClasses[key];\n\t\n\t    trigger(self.onCellCssStylesChanged, { 'key': key, 'hash': null, 'grid': self });\n\t  }\n\t\n\t  function setCellCssStyles(key, hash) {\n\t    var prevHash = cellCssClasses[key];\n\t\n\t    cellCssClasses[key] = hash;\n\t    updateCellCssStylesOnRenderedRows(hash, prevHash);\n\t\n\t    trigger(self.onCellCssStylesChanged, { 'key': key, 'hash': hash, 'grid': self });\n\t  }\n\t\n\t  function getCellCssStyles(key) {\n\t    return cellCssClasses[key];\n\t  }\n\t\n\t  function flashCell(row, cell, speed) {\n\t    speed = speed || 100;\n\t    if (rowsCache[row]) {\n\t      var toggleCellClass = function toggleCellClass(times) {\n\t        if (!times) {\n\t          return;\n\t        }\n\t        setTimeout(function () {\n\t          $cell.queue(function () {\n\t            $cell.toggleClass(options.cellFlashingCssClass).dequeue();\n\t            toggleCellClass(times - 1);\n\t          });\n\t        }, speed);\n\t      };\n\t\n\t      var $cell = (0, _jquery2.default)(getCellNode(row, cell));\n\t\n\t      toggleCellClass(4);\n\t    }\n\t  }\n\t\n\t  // ////////////////////////////////////////////////////////////////////////////////////////////\n\t  // Interactivity\n\t\n\t  function handleMouseWheel(e) {\n\t    var rowNode = (0, _jquery2.default)(e.target).closest('.slick-row')[0];\n\t    if (rowNode != rowNodeFromLastMouseWheelEvent) {\n\t      if (zombieRowNodeFromLastMouseWheelEvent && zombieRowNodeFromLastMouseWheelEvent != rowNode) {\n\t        if (options.enableAsyncPostRenderCleanup && zombieRowPostProcessedFromLastMouseWheelEvent) {\n\t          queuePostProcessedRowForCleanup(zombieRowCacheFromLastMouseWheelEvent, zombieRowPostProcessedFromLastMouseWheelEvent);\n\t        } else {\n\t          $canvas[0].removeChild(zombieRowNodeFromLastMouseWheelEvent);\n\t        }\n\t        zombieRowNodeFromLastMouseWheelEvent = null;\n\t        zombieRowCacheFromLastMouseWheelEvent = null;\n\t        zombieRowPostProcessedFromLastMouseWheelEvent = null;\n\t\n\t        if (options.enableAsyncPostRenderCleanup) {\n\t          startPostProcessingCleanup();\n\t        }\n\t      }\n\t      rowNodeFromLastMouseWheelEvent = rowNode;\n\t    }\n\t  }\n\t\n\t  function handleDragStart(interactEvent) {\n\t    var event = _jquery2.default.Event(interactEvent.originalEvent.type, interactEvent.originalEvent);\n\t    var cell = getCellFromEvent(event);\n\t    if (!cell || !cellExists(cell.row, cell.cell)) {\n\t      return false;\n\t    }\n\t\n\t    var retval = trigger(self.onDragStart, interactEvent, event);\n\t    if (event.isImmediatePropagationStopped()) {\n\t      return retval;\n\t    }\n\t\n\t    return false;\n\t  }\n\t\n\t  function handleDrag(interactEvent) {\n\t    var event = _jquery2.default.Event(interactEvent.originalEvent.type, interactEvent.originalEvent);\n\t    return trigger(self.onDrag, interactEvent, event);\n\t  }\n\t\n\t  function handleDragEnd(interactEvent) {\n\t    trigger(self.onDragEnd, interactEvent, _jquery2.default.Event('mousedown'));\n\t  }\n\t\n\t  function handleKeyDown(e) {\n\t    trigger(self.onKeyDown, { row: activeRow, cell: activeCell, grid: self }, e);\n\t    var handled = e.isImmediatePropagationStopped();\n\t    var keyCode = _slick2.default.keyCode;\n\t\n\t    if (!handled) {\n\t      if (!e.shiftKey && !e.altKey && !e.ctrlKey) {\n\t        // editor may specify an array of keys to bubble\n\t        if (options.editable && currentEditor && currentEditor.keyCaptureList) {\n\t          if (currentEditor.keyCaptureList.indexOf(e.which) > -1) {\n\t            return;\n\t          }\n\t        }\n\t        if (e.which == keyCode.ESCAPE) {\n\t          if (!getEditorLock().isActive()) {\n\t            return; // no editing mode to cancel, allow bubbling and default processing (exit without cancelling the event)\n\t          }\n\t          cancelEditAndSetFocus();\n\t        } else if (e.which == keyCode.PAGE_DOWN) {\n\t          navigatePageDown();\n\t          handled = true;\n\t        } else if (e.which == keyCode.PAGE_UP) {\n\t          navigatePageUp();\n\t          handled = true;\n\t        } else if (e.which == keyCode.LEFT) {\n\t          handled = navigateLeft();\n\t        } else if (e.which == keyCode.RIGHT) {\n\t          handled = navigateRight();\n\t        } else if (e.which == keyCode.UP) {\n\t          handled = navigateUp();\n\t        } else if (e.which == keyCode.DOWN) {\n\t          handled = navigateDown();\n\t        } else if (e.which == keyCode.TAB) {\n\t          handled = navigateNext();\n\t        } else if (e.which == keyCode.ENTER) {\n\t          if (options.editable) {\n\t            if (currentEditor) {\n\t              // adding new row\n\t              if (activeRow === getDataLength()) {\n\t                navigateDown();\n\t              } else {\n\t                commitEditAndSetFocus();\n\t              }\n\t            } else {\n\t              if (getEditorLock().commitCurrentEdit()) {\n\t                makeActiveCellEditable();\n\t              }\n\t            }\n\t          }\n\t          handled = true;\n\t        }\n\t      } else if (e.which == keyCode.TAB && e.shiftKey && !e.ctrlKey && !e.altKey) {\n\t        handled = navigatePrev();\n\t      }\n\t    }\n\t\n\t    if (handled) {\n\t      // the event has been handled so don't let parent element (bubbling/propagation) or browser (default) handle it\n\t      e.stopPropagation();\n\t      e.preventDefault();\n\t      try {\n\t        e.originalEvent.keyCode = 0; // prevent default behaviour for special keys in IE browsers (F3, F5, etc.)\n\t      }\n\t      // ignore exceptions - setting the original event's keycode throws access denied exception for \"Ctrl\"\n\t      // (hitting control key only, nothing else), \"Shift\" (maybe others)\n\t      catch (error) {}\n\t    }\n\t  }\n\t\n\t  function handleClick(e) {\n\t    if (!currentEditor) {\n\t      // if this click resulted in some cell child node getting focus,\n\t      // don't steal it back - keyboard events will still bubble up\n\t      // IE9+ seems to default DIVs to tabIndex=0 instead of -1, so check for cell clicks directly.\n\t      if (e.target != document.activeElement || (0, _jquery2.default)(e.target).hasClass('slick-cell')) {\n\t        setFocus();\n\t      }\n\t    }\n\t\n\t    var cell = getCellFromEvent(e);\n\t    if (!cell || currentEditor !== null && activeRow == cell.row && activeCell == cell.cell) {\n\t      return;\n\t    }\n\t\n\t    trigger(self.onClick, { row: cell.row, cell: cell.cell, grid: self }, e);\n\t    if (e.isImmediatePropagationStopped()) {\n\t      return;\n\t    }\n\t\n\t    if ((activeCell != cell.cell || activeRow != cell.row) && canCellBeActive(cell.row, cell.cell)) {\n\t      if (!getEditorLock().isActive() || getEditorLock().commitCurrentEdit()) {\n\t        scrollRowIntoView(cell.row, false);\n\t        setActiveCellInternal(getCellNode(cell.row, cell.cell));\n\t      }\n\t    }\n\t  }\n\t\n\t  function handleContextMenu(e) {\n\t    var $cell = (0, _jquery2.default)(e.target).closest('.slick-cell', $canvas);\n\t    if ($cell.length === 0) {\n\t      return;\n\t    }\n\t\n\t    // are we editing this cell?\n\t    if (activeCellNode === $cell[0] && currentEditor !== null) {\n\t      return;\n\t    }\n\t\n\t    trigger(self.onContextMenu, { grid: self }, e);\n\t  }\n\t\n\t  function handleDblClick(e) {\n\t    var cell = getCellFromEvent(e);\n\t    if (!cell || currentEditor !== null && activeRow == cell.row && activeCell == cell.cell) {\n\t      return;\n\t    }\n\t\n\t    trigger(self.onDblClick, { row: cell.row, cell: cell.cell, grid: self }, e);\n\t    if (e.isImmediatePropagationStopped()) {\n\t      return;\n\t    }\n\t\n\t    if (options.editable) {\n\t      gotoCell(cell.row, cell.cell, true);\n\t    }\n\t  }\n\t\n\t  function handleHeaderMouseEnter(e) {\n\t    trigger(self.onHeaderMouseEnter, {\n\t      'column': (0, _jquery2.default)(this).data('column'),\n\t      'grid': self\n\t    }, e);\n\t  }\n\t\n\t  function handleHeaderMouseLeave(e) {\n\t    trigger(self.onHeaderMouseLeave, {\n\t      'column': (0, _jquery2.default)(this).data('column'),\n\t      'grid': self\n\t    }, e);\n\t  }\n\t\n\t  function handleHeaderContextMenu(e) {\n\t    var $header = (0, _jquery2.default)(e.target).closest('.slick-header-column', '.slick-header-columns');\n\t    var column = $header && $header.data('column');\n\t    trigger(self.onHeaderContextMenu, { column: column, grid: self }, e);\n\t  }\n\t\n\t  function handleHeaderClick(e) {\n\t    var $header = (0, _jquery2.default)(e.target).closest('.slick-header-column', '.slick-header-columns');\n\t    var column = $header && $header.data('column');\n\t    if (column) {\n\t      trigger(self.onHeaderClick, { column: column, grid: self }, e);\n\t    }\n\t  }\n\t\n\t  function handleMouseEnter(e) {\n\t    trigger(self.onMouseEnter, { grid: self }, e);\n\t  }\n\t\n\t  function handleMouseLeave(e) {\n\t    trigger(self.onMouseLeave, { grid: self }, e);\n\t  }\n\t\n\t  function cellExists(row, cell) {\n\t    return !(row < 0 || row >= getDataLength() || cell < 0 || cell >= columns.length);\n\t  }\n\t\n\t  function getCellFromPoint(x, y) {\n\t    var row = getRowFromPosition(y);\n\t    var cell = 0;\n\t\n\t    var w = 0;\n\t    for (var i = 0; i < columns.length && w < x; i++) {\n\t      w += columns[i].width;\n\t      cell++;\n\t    }\n\t\n\t    if (cell < 0) {\n\t      cell = 0;\n\t    }\n\t\n\t    return { row: row, cell: cell - 1 };\n\t  }\n\t\n\t  function getCellFromNode(cellNode) {\n\t    // read column number from .l<columnNumber> CSS class\n\t    var cls = /l\\d+/.exec(cellNode.className);\n\t    if (!cls) {\n\t      throw 'getCellFromNode: cannot get cell - ' + cellNode.className;\n\t    }\n\t    return parseInt(cls[0].substr(1, cls[0].length - 1), 10);\n\t  }\n\t\n\t  function getRowFromNode(rowNode) {\n\t    for (var row in rowsCache) {\n\t      if (rowsCache[row].rowNode === rowNode) {\n\t        return row | 0;\n\t      }\n\t    }\n\t\n\t    return null;\n\t  }\n\t\n\t  function getCellFromEvent(e) {\n\t    var $cell = (0, _jquery2.default)(e.target).closest('.slick-cell', $canvas);\n\t    if (!$cell.length) {\n\t      return null;\n\t    }\n\t\n\t    var row = getRowFromNode($cell[0].parentNode);\n\t    var cell = getCellFromNode($cell[0]);\n\t\n\t    if (row == null || cell == null) {\n\t      return null;\n\t    } else {\n\t      return {\n\t        'row': row,\n\t        'cell': cell\n\t      };\n\t    }\n\t  }\n\t\n\t  function getCellNodeBox(row, cell) {\n\t    if (!cellExists(row, cell)) {\n\t      return null;\n\t    }\n\t\n\t    var y1 = getRowTop(row);\n\t    var y2 = y1 + options.rowHeight - 1;\n\t    var x1 = 0;\n\t    for (var i = 0; i < cell; i++) {\n\t      x1 += columns[i].width;\n\t    }\n\t    var x2 = x1 + columns[cell].width;\n\t\n\t    return {\n\t      top: y1,\n\t      left: x1,\n\t      bottom: y2,\n\t      right: x2\n\t    };\n\t  }\n\t\n\t  // ////////////////////////////////////////////////////////////////////////////////////////////\n\t  // Cell switching\n\t\n\t  function resetActiveCell() {\n\t    setActiveCellInternal(null, false);\n\t  }\n\t\n\t  function setFocus() {\n\t    if (tabbingDirection == -1) {\n\t      $focusSink[0].focus();\n\t    } else {\n\t      $focusSink2[0].focus();\n\t    }\n\t  }\n\t\n\t  function scrollCellIntoView(row, cell, doPaging) {\n\t    scrollRowIntoView(row, doPaging);\n\t\n\t    var colspan = getColspan(row, cell);\n\t    var left = columnPosLeft[cell],\n\t        right = columnPosRight[cell + (colspan > 1 ? colspan - 1 : 0)],\n\t        scrollRight = scrollLeft + viewportW;\n\t\n\t    if (left < scrollLeft) {\n\t      $viewport.scrollLeft(left);\n\t      handleScroll();\n\t      render();\n\t    } else if (right > scrollRight) {\n\t      $viewport.scrollLeft(Math.min(left, right - $viewport[0].clientWidth));\n\t      handleScroll();\n\t      render();\n\t    }\n\t  }\n\t\n\t  function setActiveCellInternal(newCell, opt_editMode) {\n\t    if (activeCellNode !== null) {\n\t      makeActiveCellNormal();\n\t      (0, _jquery2.default)(activeCellNode).removeClass('active');\n\t      if (rowsCache[activeRow]) {\n\t        (0, _jquery2.default)(rowsCache[activeRow].rowNode).removeClass('active');\n\t      }\n\t    }\n\t\n\t    var activeCellChanged = activeCellNode !== newCell;\n\t    activeCellNode = newCell;\n\t\n\t    if (activeCellNode != null) {\n\t      activeRow = getRowFromNode(activeCellNode.parentNode);\n\t      activeCell = activePosX = getCellFromNode(activeCellNode);\n\t\n\t      if (opt_editMode == null) {\n\t        opt_editMode = activeRow == getDataLength() || options.autoEdit;\n\t      }\n\t\n\t      (0, _jquery2.default)(activeCellNode).addClass('active');\n\t      (0, _jquery2.default)(rowsCache[activeRow].rowNode).addClass('active');\n\t\n\t      if (options.editable && opt_editMode && isCellPotentiallyEditable(activeRow, activeCell)) {\n\t        clearTimeout(h_editorLoader);\n\t\n\t        if (options.asyncEditorLoading) {\n\t          h_editorLoader = setTimeout(function () {\n\t            makeActiveCellEditable();\n\t          }, options.asyncEditorLoadDelay);\n\t        } else {\n\t          makeActiveCellEditable();\n\t        }\n\t      }\n\t    } else {\n\t      activeRow = activeCell = null;\n\t    }\n\t\n\t    if (activeCellChanged) {\n\t      trigger(self.onActiveCellChanged, getActiveCell());\n\t    }\n\t  }\n\t\n\t  function clearTextSelection() {\n\t    if (document.selection && document.selection.empty) {\n\t      try {\n\t        // IE fails here if selected element is not in dom\n\t        document.selection.empty();\n\t      } catch (e) {}\n\t    } else if (window.getSelection) {\n\t      var sel = window.getSelection();\n\t      if (sel && sel.removeAllRanges) {\n\t        sel.removeAllRanges();\n\t      }\n\t    }\n\t  }\n\t\n\t  function isCellPotentiallyEditable(row, cell) {\n\t    var dataLength = getDataLength();\n\t    // is the data for this row loaded?\n\t    if (row < dataLength && !getDataItem(row)) {\n\t      return false;\n\t    }\n\t\n\t    // are we in the Add New row?  can we create new from this cell?\n\t    if (columns[cell].cannotTriggerInsert && row >= dataLength) {\n\t      return false;\n\t    }\n\t\n\t    // does this cell have an editor?\n\t    if (!getEditor(row, cell)) {\n\t      return false;\n\t    }\n\t\n\t    return true;\n\t  }\n\t\n\t  function makeActiveCellNormal() {\n\t    if (!currentEditor) {\n\t      return;\n\t    }\n\t    trigger(self.onBeforeCellEditorDestroy, { editor: currentEditor, grid: self });\n\t    currentEditor.destroy();\n\t    currentEditor = null;\n\t\n\t    if (activeCellNode) {\n\t      var d = getDataItem(activeRow);\n\t      (0, _jquery2.default)(activeCellNode).removeClass('editable invalid');\n\t      if (d) {\n\t        var column = columns[activeCell];\n\t        var formatter = getFormatter(activeRow, column);\n\t        activeCellNode.innerHTML = formatter(activeRow, activeCell, getDataItemValueForColumn(d, column), column, d, self);\n\t        invalidatePostProcessingResults(activeRow);\n\t      }\n\t    }\n\t\n\t    // if there previously was text selected on a page (such as selected text in the edit cell just removed),\n\t    // IE can't set focus to anything else correctly\n\t    if (navigator.userAgent.toLowerCase().match(/msie/)) {\n\t      clearTextSelection();\n\t    }\n\t\n\t    getEditorLock().deactivate(editController);\n\t  }\n\t\n\t  function makeActiveCellEditable(editor) {\n\t    if (!activeCellNode) {\n\t      return;\n\t    }\n\t    if (!options.editable) {\n\t      throw 'Grid : makeActiveCellEditable : should never get called when options.editable is false';\n\t    }\n\t\n\t    // cancel pending async call if there is one\n\t    clearTimeout(h_editorLoader);\n\t\n\t    if (!isCellPotentiallyEditable(activeRow, activeCell)) {\n\t      return;\n\t    }\n\t\n\t    var columnDef = columns[activeCell];\n\t    var item = getDataItem(activeRow);\n\t\n\t    if (trigger(self.onBeforeEditCell, {\n\t      row: activeRow,\n\t      cell: activeCell,\n\t      item: item,\n\t      column: columnDef,\n\t      grid: self\n\t    }) === false) {\n\t      setFocus();\n\t      return;\n\t    }\n\t\n\t    getEditorLock().activate(editController);\n\t    (0, _jquery2.default)(activeCellNode).addClass('editable');\n\t\n\t    var useEditor = editor || getEditor(activeRow, activeCell);\n\t\n\t    // don't clear the cell if a custom editor is passed through\n\t    if (!editor && !useEditor.suppressClearOnEdit) {\n\t      activeCellNode.innerHTML = '';\n\t    }\n\t\n\t    currentEditor = new useEditor({\n\t      grid: self,\n\t      gridPosition: absBox($container[0]),\n\t      position: absBox(activeCellNode),\n\t      container: activeCellNode,\n\t      column: columnDef,\n\t      item: item || {},\n\t      commitChanges: commitEditAndSetFocus,\n\t      cancelChanges: cancelEditAndSetFocus\n\t    });\n\t\n\t    if (item) {\n\t      currentEditor.loadValue(item);\n\t    }\n\t\n\t    serializedEditorValue = currentEditor.serializeValue();\n\t\n\t    if (currentEditor.position) {\n\t      handleActiveCellPositionChange();\n\t    }\n\t  }\n\t\n\t  function commitEditAndSetFocus() {\n\t    // if the commit fails, it would do so due to a validation error\n\t    // if so, do not steal the focus from the editor\n\t    if (getEditorLock().commitCurrentEdit()) {\n\t      setFocus();\n\t      if (options.autoEdit) {\n\t        navigateDown();\n\t      }\n\t    }\n\t  }\n\t\n\t  function cancelEditAndSetFocus() {\n\t    if (getEditorLock().cancelCurrentEdit()) {\n\t      setFocus();\n\t    }\n\t  }\n\t\n\t  function absBox(elem) {\n\t    var box = {\n\t      top: elem.offsetTop,\n\t      left: elem.offsetLeft,\n\t      bottom: 0,\n\t      right: 0,\n\t      width: (0, _jquery2.default)(elem).outerWidth(),\n\t      height: (0, _jquery2.default)(elem).outerHeight(),\n\t      visible: true\n\t    };\n\t    box.bottom = box.top + box.height;\n\t    box.right = box.left + box.width;\n\t\n\t    // walk up the tree\n\t    var offsetParent = elem.offsetParent;\n\t    while ((elem = elem.parentNode) != document.body) {\n\t      if (elem == null) break;\n\t\n\t      if (box.visible && elem.scrollHeight != elem.offsetHeight && (0, _jquery2.default)(elem).css('overflowY') != 'visible') {\n\t        box.visible = box.bottom > elem.scrollTop && box.top < elem.scrollTop + elem.clientHeight;\n\t      }\n\t\n\t      if (box.visible && elem.scrollWidth != elem.offsetWidth && (0, _jquery2.default)(elem).css('overflowX') != 'visible') {\n\t        box.visible = box.right > elem.scrollLeft && box.left < elem.scrollLeft + elem.clientWidth;\n\t      }\n\t\n\t      box.left -= elem.scrollLeft;\n\t      box.top -= elem.scrollTop;\n\t\n\t      if (elem === offsetParent) {\n\t        box.left += elem.offsetLeft;\n\t        box.top += elem.offsetTop;\n\t        offsetParent = elem.offsetParent;\n\t      }\n\t\n\t      box.bottom = box.top + box.height;\n\t      box.right = box.left + box.width;\n\t    }\n\t\n\t    return box;\n\t  }\n\t\n\t  function getActiveCellPosition() {\n\t    return absBox(activeCellNode);\n\t  }\n\t\n\t  function getGridPosition() {\n\t    return absBox($container[0]);\n\t  }\n\t\n\t  function handleActiveCellPositionChange() {\n\t    if (!activeCellNode) {\n\t      return;\n\t    }\n\t\n\t    trigger(self.onActiveCellPositionChanged, { grid: self });\n\t\n\t    if (currentEditor) {\n\t      var cellBox = getActiveCellPosition();\n\t      if (currentEditor.show && currentEditor.hide) {\n\t        if (!cellBox.visible) {\n\t          currentEditor.hide();\n\t        } else {\n\t          currentEditor.show();\n\t        }\n\t      }\n\t\n\t      if (currentEditor.position) {\n\t        currentEditor.position(cellBox);\n\t      }\n\t    }\n\t  }\n\t\n\t  function getCellEditor() {\n\t    return currentEditor;\n\t  }\n\t\n\t  function getActiveCell() {\n\t    if (!activeCellNode) {\n\t      return null;\n\t    } else {\n\t      return { row: activeRow, cell: activeCell, grid: self };\n\t    }\n\t  }\n\t\n\t  function getActiveCellNode() {\n\t    return activeCellNode;\n\t  }\n\t\n\t  function scrollRowIntoView(row, doPaging) {\n\t    var rowAtTop = row * options.rowHeight;\n\t    var rowAtBottom = (row + 1) * options.rowHeight - viewportH + (viewportHasHScroll ? scrollbarDimensions.height : 0);\n\t\n\t    // need to page down?\n\t    if ((row + 1) * options.rowHeight > scrollTop + viewportH + offset) {\n\t      scrollTo(doPaging ? rowAtTop : rowAtBottom);\n\t      render();\n\t    }\n\t    // or page up?\n\t    else if (row * options.rowHeight < scrollTop + offset) {\n\t        scrollTo(doPaging ? rowAtBottom : rowAtTop);\n\t        render();\n\t      }\n\t  }\n\t\n\t  function scrollRowToTop(row) {\n\t    scrollTo(row * options.rowHeight);\n\t    render();\n\t  }\n\t\n\t  function scrollPage(dir) {\n\t    var deltaRows = dir * numVisibleRows;\n\t    scrollTo((getRowFromPosition(scrollTop) + deltaRows) * options.rowHeight);\n\t    render();\n\t\n\t    if (options.enableCellNavigation && activeRow != null) {\n\t      var row = activeRow + deltaRows;\n\t      var dataLengthIncludingAddNew = getDataLengthIncludingAddNew();\n\t      if (row >= dataLengthIncludingAddNew) {\n\t        row = dataLengthIncludingAddNew - 1;\n\t      }\n\t      if (row < 0) {\n\t        row = 0;\n\t      }\n\t\n\t      var cell = 0,\n\t          prevCell = null;\n\t      var prevActivePosX = activePosX;\n\t      while (cell <= activePosX) {\n\t        if (canCellBeActive(row, cell)) {\n\t          prevCell = cell;\n\t        }\n\t        cell += getColspan(row, cell);\n\t      }\n\t\n\t      if (prevCell !== null) {\n\t        setActiveCellInternal(getCellNode(row, prevCell));\n\t        activePosX = prevActivePosX;\n\t      } else {\n\t        resetActiveCell();\n\t      }\n\t    }\n\t  }\n\t\n\t  function navigatePageDown() {\n\t    scrollPage(1);\n\t  }\n\t\n\t  function navigatePageUp() {\n\t    scrollPage(-1);\n\t  }\n\t\n\t  function getColspan(row, cell) {\n\t    var metadata = data.getItemMetadata && data.getItemMetadata(row);\n\t    if (!metadata || !metadata.columns) {\n\t      return 1;\n\t    }\n\t\n\t    var columnData = metadata.columns[columns[cell].id] || metadata.columns[cell];\n\t    var colspan = columnData && columnData.colspan;\n\t    if (colspan === '*') {\n\t      colspan = columns.length - cell;\n\t    } else {\n\t      colspan = colspan || 1;\n\t    }\n\t\n\t    return colspan;\n\t  }\n\t\n\t  function findFirstFocusableCell(row) {\n\t    var cell = 0;\n\t    while (cell < columns.length) {\n\t      if (canCellBeActive(row, cell)) {\n\t        return cell;\n\t      }\n\t      cell += getColspan(row, cell);\n\t    }\n\t    return null;\n\t  }\n\t\n\t  function findLastFocusableCell(row) {\n\t    var cell = 0;\n\t    var lastFocusableCell = null;\n\t    while (cell < columns.length) {\n\t      if (canCellBeActive(row, cell)) {\n\t        lastFocusableCell = cell;\n\t      }\n\t      cell += getColspan(row, cell);\n\t    }\n\t    return lastFocusableCell;\n\t  }\n\t\n\t  function gotoRight(row, cell, posX) {\n\t    if (cell >= columns.length) {\n\t      return null;\n\t    }\n\t\n\t    do {\n\t      cell += getColspan(row, cell);\n\t    } while (cell < columns.length && !canCellBeActive(row, cell));\n\t\n\t    if (cell < columns.length) {\n\t      return {\n\t        'row': row,\n\t        'cell': cell,\n\t        'posX': cell\n\t      };\n\t    }\n\t    return null;\n\t  }\n\t\n\t  function gotoLeft(row, cell, posX) {\n\t    if (cell <= 0) {\n\t      return null;\n\t    }\n\t\n\t    var firstFocusableCell = findFirstFocusableCell(row);\n\t    if (firstFocusableCell === null || firstFocusableCell >= cell) {\n\t      return null;\n\t    }\n\t\n\t    var prev = {\n\t      'row': row,\n\t      'cell': firstFocusableCell,\n\t      'posX': firstFocusableCell\n\t    };\n\t    var pos;\n\t    while (true) {\n\t      pos = gotoRight(prev.row, prev.cell, prev.posX);\n\t      if (!pos) {\n\t        return null;\n\t      }\n\t      if (pos.cell >= cell) {\n\t        return prev;\n\t      }\n\t      prev = pos;\n\t    }\n\t  }\n\t\n\t  function gotoDown(row, cell, posX) {\n\t    var prevCell;\n\t    var dataLengthIncludingAddNew = getDataLengthIncludingAddNew();\n\t    while (true) {\n\t      if (++row >= dataLengthIncludingAddNew) {\n\t        return null;\n\t      }\n\t\n\t      prevCell = cell = 0;\n\t      while (cell <= posX) {\n\t        prevCell = cell;\n\t        cell += getColspan(row, cell);\n\t      }\n\t\n\t      if (canCellBeActive(row, prevCell)) {\n\t        return {\n\t          'row': row,\n\t          'cell': prevCell,\n\t          'posX': posX\n\t        };\n\t      }\n\t    }\n\t  }\n\t\n\t  function gotoUp(row, cell, posX) {\n\t    var prevCell;\n\t    while (true) {\n\t      if (--row < 0) {\n\t        return null;\n\t      }\n\t\n\t      prevCell = cell = 0;\n\t      while (cell <= posX) {\n\t        prevCell = cell;\n\t        cell += getColspan(row, cell);\n\t      }\n\t\n\t      if (canCellBeActive(row, prevCell)) {\n\t        return {\n\t          'row': row,\n\t          'cell': prevCell,\n\t          'posX': posX\n\t        };\n\t      }\n\t    }\n\t  }\n\t\n\t  function gotoNext(row, cell, posX) {\n\t    if (row == null && cell == null) {\n\t      row = cell = posX = 0;\n\t      if (canCellBeActive(row, cell)) {\n\t        return {\n\t          'row': row,\n\t          'cell': cell,\n\t          'posX': cell\n\t        };\n\t      }\n\t    }\n\t\n\t    var pos = gotoRight(row, cell, posX);\n\t    if (pos) {\n\t      return pos;\n\t    }\n\t\n\t    var firstFocusableCell = null;\n\t    var dataLengthIncludingAddNew = getDataLengthIncludingAddNew();\n\t    while (++row < dataLengthIncludingAddNew) {\n\t      firstFocusableCell = findFirstFocusableCell(row);\n\t      if (firstFocusableCell !== null) {\n\t        return {\n\t          'row': row,\n\t          'cell': firstFocusableCell,\n\t          'posX': firstFocusableCell\n\t        };\n\t      }\n\t    }\n\t    return null;\n\t  }\n\t\n\t  function gotoPrev(row, cell, posX) {\n\t    if (row == null && cell == null) {\n\t      row = getDataLengthIncludingAddNew() - 1;\n\t      cell = posX = columns.length - 1;\n\t      if (canCellBeActive(row, cell)) {\n\t        return {\n\t          'row': row,\n\t          'cell': cell,\n\t          'posX': cell\n\t        };\n\t      }\n\t    }\n\t\n\t    var pos;\n\t    var lastSelectableCell;\n\t    while (!pos) {\n\t      pos = gotoLeft(row, cell, posX);\n\t      if (pos) {\n\t        break;\n\t      }\n\t      if (--row < 0) {\n\t        return null;\n\t      }\n\t\n\t      cell = 0;\n\t      lastSelectableCell = findLastFocusableCell(row);\n\t      if (lastSelectableCell !== null) {\n\t        pos = {\n\t          'row': row,\n\t          'cell': lastSelectableCell,\n\t          'posX': lastSelectableCell\n\t        };\n\t      }\n\t    }\n\t    return pos;\n\t  }\n\t\n\t  function navigateRight() {\n\t    return navigate('right');\n\t  }\n\t\n\t  function navigateLeft() {\n\t    return navigate('left');\n\t  }\n\t\n\t  function navigateDown() {\n\t    return navigate('down');\n\t  }\n\t\n\t  function navigateUp() {\n\t    return navigate('up');\n\t  }\n\t\n\t  function navigateNext() {\n\t    return navigate('next');\n\t  }\n\t\n\t  function navigatePrev() {\n\t    return navigate('prev');\n\t  }\n\t\n\t  /**\r\n\t   * @param {string} dir Navigation direction.\r\n\t   * @return {boolean} Whether navigation resulted in a change of active cell.\r\n\t   */\n\t  function navigate(dir) {\n\t    if (!options.enableCellNavigation) {\n\t      return false;\n\t    }\n\t\n\t    if (!activeCellNode && dir != 'prev' && dir != 'next') {\n\t      return false;\n\t    }\n\t\n\t    if (!getEditorLock().commitCurrentEdit()) {\n\t      return true;\n\t    }\n\t    setFocus();\n\t\n\t    var tabbingDirections = {\n\t      'up': -1,\n\t      'down': 1,\n\t      'left': -1,\n\t      'right': 1,\n\t      'prev': -1,\n\t      'next': 1\n\t    };\n\t    tabbingDirection = tabbingDirections[dir];\n\t\n\t    var stepFunctions = {\n\t      'up': gotoUp,\n\t      'down': gotoDown,\n\t      'left': gotoLeft,\n\t      'right': gotoRight,\n\t      'prev': gotoPrev,\n\t      'next': gotoNext\n\t    };\n\t    var stepFn = stepFunctions[dir];\n\t    var pos = stepFn(activeRow, activeCell, activePosX);\n\t    if (pos) {\n\t      var isAddNewRow = pos.row == getDataLength();\n\t      scrollCellIntoView(pos.row, pos.cell, !isAddNewRow);\n\t      setActiveCellInternal(getCellNode(pos.row, pos.cell));\n\t      activePosX = pos.posX;\n\t      return true;\n\t    } else {\n\t      setActiveCellInternal(getCellNode(activeRow, activeCell));\n\t      return false;\n\t    }\n\t  }\n\t\n\t  function getCellNode(row, cell) {\n\t    if (rowsCache[row]) {\n\t      ensureCellNodesInRowsCache(row);\n\t      return rowsCache[row].cellNodesByColumnIdx[cell];\n\t    }\n\t    return null;\n\t  }\n\t\n\t  function setActiveCell(row, cell) {\n\t    if (!initialized) {\n\t      return;\n\t    }\n\t    if (row > getDataLength() || row < 0 || cell >= columns.length || cell < 0) {\n\t      return;\n\t    }\n\t\n\t    if (!options.enableCellNavigation) {\n\t      return;\n\t    }\n\t\n\t    scrollCellIntoView(row, cell, false);\n\t    setActiveCellInternal(getCellNode(row, cell), false);\n\t  }\n\t\n\t  function canCellBeActive(row, cell) {\n\t    if (!options.enableCellNavigation || row >= getDataLengthIncludingAddNew() || row < 0 || cell >= columns.length || cell < 0) {\n\t      return false;\n\t    }\n\t\n\t    var rowMetadata = data.getItemMetadata && data.getItemMetadata(row);\n\t    if (rowMetadata && typeof rowMetadata.focusable === 'boolean') {\n\t      return rowMetadata.focusable;\n\t    }\n\t\n\t    var columnMetadata = rowMetadata && rowMetadata.columns;\n\t    if (columnMetadata && columnMetadata[columns[cell].id] && typeof columnMetadata[columns[cell].id].focusable === 'boolean') {\n\t      return columnMetadata[columns[cell].id].focusable;\n\t    }\n\t    if (columnMetadata && columnMetadata[cell] && typeof columnMetadata[cell].focusable === 'boolean') {\n\t      return columnMetadata[cell].focusable;\n\t    }\n\t\n\t    return columns[cell].focusable;\n\t  }\n\t\n\t  function canCellBeSelected(row, cell) {\n\t    if (row >= getDataLength() || row < 0 || cell >= columns.length || cell < 0) {\n\t      return false;\n\t    }\n\t\n\t    var rowMetadata = data.getItemMetadata && data.getItemMetadata(row);\n\t    if (rowMetadata && typeof rowMetadata.selectable === 'boolean') {\n\t      return rowMetadata.selectable;\n\t    }\n\t\n\t    var columnMetadata = rowMetadata && rowMetadata.columns && (rowMetadata.columns[columns[cell].id] || rowMetadata.columns[cell]);\n\t    if (columnMetadata && typeof columnMetadata.selectable === 'boolean') {\n\t      return columnMetadata.selectable;\n\t    }\n\t\n\t    return columns[cell].selectable;\n\t  }\n\t\n\t  function gotoCell(row, cell, forceEdit) {\n\t    if (!initialized) {\n\t      return;\n\t    }\n\t    if (!canCellBeActive(row, cell)) {\n\t      return;\n\t    }\n\t\n\t    if (!getEditorLock().commitCurrentEdit()) {\n\t      return;\n\t    }\n\t\n\t    scrollCellIntoView(row, cell, false);\n\t\n\t    var newCell = getCellNode(row, cell);\n\t\n\t    // if selecting the 'add new' row, start editing right away\n\t    setActiveCellInternal(newCell, forceEdit || row === getDataLength() || options.autoEdit);\n\t\n\t    // if no editor was created, set the focus back on the grid\n\t    if (!currentEditor) {\n\t      setFocus();\n\t    }\n\t  }\n\t\n\t  // ////////////////////////////////////////////////////////////////////////////////////////////\n\t  // IEditor implementation for the editor lock\n\t\n\t  function commitCurrentEdit() {\n\t    var item = getDataItem(activeRow);\n\t    var column = columns[activeCell];\n\t\n\t    if (currentEditor) {\n\t      if (currentEditor.isValueChanged()) {\n\t        var validationResults = currentEditor.validate();\n\t\n\t        if (validationResults.valid) {\n\t          if (activeRow < getDataLength()) {\n\t            var editCommand = {\n\t              row: activeRow,\n\t              cell: activeCell,\n\t              editor: currentEditor,\n\t              serializedValue: currentEditor.serializeValue(),\n\t              prevSerializedValue: serializedEditorValue,\n\t              execute: function execute() {\n\t                this.editor.applyValue(item, this.serializedValue);\n\t                updateRow(this.row);\n\t                trigger(self.onCellChange, {\n\t                  row: activeRow,\n\t                  cell: activeCell,\n\t                  item: item,\n\t                  grid: self\n\t                });\n\t              },\n\t              undo: function undo() {\n\t                this.editor.applyValue(item, this.prevSerializedValue);\n\t                updateRow(this.row);\n\t                trigger(self.onCellChange, {\n\t                  row: activeRow,\n\t                  cell: activeCell,\n\t                  item: item,\n\t                  grid: self\n\t                });\n\t              }\n\t            };\n\t\n\t            if (options.editCommandHandler) {\n\t              makeActiveCellNormal();\n\t              options.editCommandHandler(item, column, editCommand);\n\t            } else {\n\t              editCommand.execute();\n\t              makeActiveCellNormal();\n\t            }\n\t          } else {\n\t            var newItem = {};\n\t            currentEditor.applyValue(newItem, currentEditor.serializeValue());\n\t            makeActiveCellNormal();\n\t            trigger(self.onAddNewRow, { item: newItem, column: column, grid: self });\n\t          }\n\t\n\t          // check whether the lock has been re-acquired by event handlers\n\t          return !getEditorLock().isActive();\n\t        } else {\n\t          // Re-add the CSS class to trigger transitions, if any.\n\t          (0, _jquery2.default)(activeCellNode).removeClass('invalid');\n\t          (0, _jquery2.default)(activeCellNode).width(); // force layout\n\t          (0, _jquery2.default)(activeCellNode).addClass('invalid');\n\t\n\t          trigger(self.onValidationError, {\n\t            editor: currentEditor,\n\t            cellNode: activeCellNode,\n\t            validationResults: validationResults,\n\t            row: activeRow,\n\t            cell: activeCell,\n\t            column: column,\n\t            grid: self\n\t          });\n\t\n\t          currentEditor.focus();\n\t          return false;\n\t        }\n\t      }\n\t\n\t      makeActiveCellNormal();\n\t    }\n\t    return true;\n\t  }\n\t\n\t  function cancelCurrentEdit() {\n\t    makeActiveCellNormal();\n\t    return true;\n\t  }\n\t\n\t  function rowsToRanges(rows) {\n\t    var ranges = [];\n\t    var lastCell = columns.length - 1;\n\t    for (var i = 0; i < rows.length; i++) {\n\t      ranges.push(new _slick2.default.Range(rows[i], 0, rows[i], lastCell));\n\t    }\n\t    return ranges;\n\t  }\n\t\n\t  function getSelectedRows() {\n\t    if (!selectionModel) {\n\t      throw 'Selection model is not set';\n\t    }\n\t    return selectedRows;\n\t  }\n\t\n\t  function setSelectedRows(rows) {\n\t    if (!selectionModel) {\n\t      throw 'Selection model is not set';\n\t    }\n\t    selectionModel.setSelectedRanges(rowsToRanges(rows));\n\t  }\n\t\n\t  // ////////////////////////////////////////////////////////////////////////////////////////////\n\t  // Debug\n\t\n\t  this.debug = function () {\n\t    var s = '';\n\t\n\t    s += '\\n' + 'counter_rows_rendered:  ' + counter_rows_rendered;\n\t    s += '\\n' + 'counter_rows_removed:  ' + counter_rows_removed;\n\t    s += '\\n' + 'renderedRows:  ' + renderedRows;\n\t    s += '\\n' + 'numVisibleRows:  ' + numVisibleRows;\n\t    s += '\\n' + 'maxSupportedCssHeight:  ' + maxSupportedCssHeight;\n\t    s += '\\n' + 'n(umber of pages):  ' + n;\n\t    s += '\\n' + '(current) page:  ' + page;\n\t    s += '\\n' + 'page height (ph):  ' + ph;\n\t    s += '\\n' + 'vScrollDir:  ' + vScrollDir;\n\t\n\t    alert(s);\n\t  };\n\t\n\t  // a debug helper to be able to access private members\n\t  this.eval = function (expr) {\n\t    return eval(expr);\n\t  };\n\t\n\t  // ////////////////////////////////////////////////////////////////////////////////////////////\n\t  // Public API\n\t\n\t  _jquery2.default.extend(this, {\n\t    'slickGridVersion': '2.2.4',\n\t\n\t    // Events\n\t    'onScroll': new _slick2.default.Event(),\n\t    'onSort': new _slick2.default.Event(),\n\t    'onHeaderMouseEnter': new _slick2.default.Event(),\n\t    'onHeaderMouseLeave': new _slick2.default.Event(),\n\t    'onHeaderContextMenu': new _slick2.default.Event(),\n\t    'onHeaderClick': new _slick2.default.Event(),\n\t    'onHeaderCellRendered': new _slick2.default.Event(),\n\t    'onBeforeHeaderCellDestroy': new _slick2.default.Event(),\n\t    'onHeaderRowCellRendered': new _slick2.default.Event(),\n\t    'onFooterRowCellRendered': new _slick2.default.Event(),\n\t    'onBeforeHeaderRowCellDestroy': new _slick2.default.Event(),\n\t    'onBeforeFooterRowCellDestroy': new _slick2.default.Event(),\n\t    'onMouseEnter': new _slick2.default.Event(),\n\t    'onMouseLeave': new _slick2.default.Event(),\n\t    'onClick': new _slick2.default.Event(),\n\t    'onDblClick': new _slick2.default.Event(),\n\t    'onContextMenu': new _slick2.default.Event(),\n\t    'onKeyDown': new _slick2.default.Event(),\n\t    'onAddNewRow': new _slick2.default.Event(),\n\t    'onValidationError': new _slick2.default.Event(),\n\t    'onViewportChanged': new _slick2.default.Event(),\n\t    'onColumnsReordered': new _slick2.default.Event(),\n\t    'onColumnsResized': new _slick2.default.Event(),\n\t    'onCellChange': new _slick2.default.Event(),\n\t    'onBeforeEditCell': new _slick2.default.Event(),\n\t    'onBeforeCellEditorDestroy': new _slick2.default.Event(),\n\t    'onBeforeDestroy': new _slick2.default.Event(),\n\t    'onActiveCellChanged': new _slick2.default.Event(),\n\t    'onActiveCellPositionChanged': new _slick2.default.Event(),\n\t    'onDragInit': new _slick2.default.Event(),\n\t    'onDragStart': new _slick2.default.Event(),\n\t    'onDrag': new _slick2.default.Event(),\n\t    'onDragEnd': new _slick2.default.Event(),\n\t    'onSelectedRowsChanged': new _slick2.default.Event(),\n\t    'onCellCssStylesChanged': new _slick2.default.Event(),\n\t\n\t    // Methods\n\t    'registerPlugin': registerPlugin,\n\t    'unregisterPlugin': unregisterPlugin,\n\t    'getColumns': getColumns,\n\t    'setColumns': setColumns,\n\t    'getColumnIndex': getColumnIndex,\n\t    'updateColumnHeader': updateColumnHeader,\n\t    'setSortColumn': setSortColumn,\n\t    'setSortColumns': setSortColumns,\n\t    'getSortColumns': getSortColumns,\n\t    'autosizeColumns': autosizeColumns,\n\t    'getOptions': getOptions,\n\t    'setOptions': setOptions,\n\t    'getData': getData,\n\t    'getDataLength': getDataLength,\n\t    'getDataItem': getDataItem,\n\t    'setData': setData,\n\t    'getSelectionModel': getSelectionModel,\n\t    'setSelectionModel': setSelectionModel,\n\t    'getSelectedRows': getSelectedRows,\n\t    'setSelectedRows': setSelectedRows,\n\t    'getContainerNode': getContainerNode,\n\t\n\t    'render': render,\n\t    'invalidate': invalidate,\n\t    'invalidateRow': invalidateRow,\n\t    'invalidateRows': invalidateRows,\n\t    'invalidateAllRows': invalidateAllRows,\n\t    'updateCell': updateCell,\n\t    'updateRow': updateRow,\n\t    'getViewport': getVisibleRange,\n\t    'getRenderedRange': getRenderedRange,\n\t    'resizeCanvas': resizeCanvas,\n\t    'updateRowCount': updateRowCount,\n\t    'scrollRowIntoView': scrollRowIntoView,\n\t    'scrollRowToTop': scrollRowToTop,\n\t    'scrollCellIntoView': scrollCellIntoView,\n\t    'getCanvasNode': getCanvasNode,\n\t    'focus': setFocus,\n\t\n\t    'getCellFromPoint': getCellFromPoint,\n\t    'getCellFromEvent': getCellFromEvent,\n\t    'getActiveCell': getActiveCell,\n\t    'setActiveCell': setActiveCell,\n\t    'getActiveCellNode': getActiveCellNode,\n\t    'getActiveCellPosition': getActiveCellPosition,\n\t    'resetActiveCell': resetActiveCell,\n\t    'editActiveCell': makeActiveCellEditable,\n\t    'getCellEditor': getCellEditor,\n\t    'getCellNode': getCellNode,\n\t    'getCellNodeBox': getCellNodeBox,\n\t    'canCellBeSelected': canCellBeSelected,\n\t    'canCellBeActive': canCellBeActive,\n\t    'navigatePrev': navigatePrev,\n\t    'navigateNext': navigateNext,\n\t    'navigateUp': navigateUp,\n\t    'navigateDown': navigateDown,\n\t    'navigateLeft': navigateLeft,\n\t    'navigateRight': navigateRight,\n\t    'navigatePageUp': navigatePageUp,\n\t    'navigatePageDown': navigatePageDown,\n\t    'gotoCell': gotoCell,\n\t    'getTopPanel': getTopPanel,\n\t    'setTopPanelVisibility': setTopPanelVisibility,\n\t    'setHeaderRowVisibility': setHeaderRowVisibility,\n\t    'getHeaderRow': getHeaderRow,\n\t    'getHeaderRowColumn': getHeaderRowColumn,\n\t    'setFooterRowVisibility': setFooterRowVisibility,\n\t    'getFooterRow': getFooterRow,\n\t    'getFooterRowColumn': getFooterRowColumn,\n\t    'getGridPosition': getGridPosition,\n\t    'flashCell': flashCell,\n\t    'addCellCssStyles': addCellCssStyles,\n\t    'setCellCssStyles': setCellCssStyles,\n\t    'removeCellCssStyles': removeCellCssStyles,\n\t    'getCellCssStyles': getCellCssStyles,\n\t\n\t    'init': finishInitialization,\n\t    'destroy': destroy,\n\t\n\t    // IEditor implementation\n\t    'getEditorLock': getEditorLock,\n\t    'getEditController': getEditController\n\t  });\n\t\n\t  init();\n\t}\n\n/***/ }),\n/* 31 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tObject.defineProperty(exports, \"__esModule\", {\n\t  value: true\n\t});\n\t\n\tvar _jquery = __webpack_require__(2);\n\t\n\tvar _jquery2 = _interopRequireDefault(_jquery);\n\t\n\tvar _slick = __webpack_require__(1);\n\t\n\tvar _slick2 = _interopRequireDefault(_slick);\n\t\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\t\n\texports.default = GroupItemMetadataProvider;\n\t\n\t/***\r\n\t * Provides item metadata for group (Slick.Group) and totals (Slick.Totals) rows produced by the DataView.\r\n\t * This metadata overrides the default behavior and formatting of those rows so that they appear and function\r\n\t * correctly when processed by the grid.\r\n\t *\r\n\t * This class also acts as a grid plugin providing event handlers to expand & collapse groups.\r\n\t * If \"grid.registerPlugin(...)\" is not called, expand & collapse will not work.\r\n\t *\r\n\t * @class GroupItemMetadataProvider\r\n\t * @module Data\r\n\t * @namespace Slick.Data\r\n\t * @constructor\r\n\t * @param options\r\n\t */\n\t\n\tfunction GroupItemMetadataProvider(options) {\n\t  var _grid = void 0;\n\t  var _defaults = {\n\t    groupCssClass: \"slick-group\",\n\t    groupTitleCssClass: \"slick-group-title\",\n\t    totalsCssClass: \"slick-group-totals\",\n\t    groupFocusable: true,\n\t    totalsFocusable: false,\n\t    toggleCssClass: \"slick-group-toggle\",\n\t    toggleExpandedCssClass: \"expanded\",\n\t    toggleCollapsedCssClass: \"collapsed\",\n\t    enableExpandCollapse: true,\n\t    groupFormatter: defaultGroupCellFormatter,\n\t    totalsFormatter: defaultTotalsCellFormatter\n\t  };\n\t\n\t  options = _jquery2.default.extend(true, {}, _defaults, options);\n\t\n\t  function defaultGroupCellFormatter(row, cell, value, columnDef, item) {\n\t    if (!options.enableExpandCollapse) {\n\t      return item.title;\n\t    }\n\t\n\t    var indentation = item.level * 15 + \"px\";\n\t\n\t    return \"<span class='\" + options.toggleCssClass + \" \" + (item.collapsed ? options.toggleCollapsedCssClass : options.toggleExpandedCssClass) + \"' style='margin-left:\" + indentation + \"'>\" + \"</span>\" + \"<span class='\" + options.groupTitleCssClass + \"' level='\" + item.level + \"'>\" + item.title + \"</span>\";\n\t  }\n\t\n\t  function defaultTotalsCellFormatter(row, cell, value, columnDef, item) {\n\t    return columnDef.groupTotalsFormatter && columnDef.groupTotalsFormatter(item, columnDef) || \"\";\n\t  }\n\t\n\t  function init(grid) {\n\t    _grid = grid;\n\t    _grid.onClick.subscribe(handleGridClick);\n\t    _grid.onKeyDown.subscribe(handleGridKeyDown);\n\t  }\n\t\n\t  function destroy() {\n\t    if (_grid) {\n\t      _grid.onClick.unsubscribe(handleGridClick);\n\t      _grid.onKeyDown.unsubscribe(handleGridKeyDown);\n\t    }\n\t  }\n\t\n\t  function handleGridClick(e, args) {\n\t    var item = this.getDataItem(args.row);\n\t    if (item && item instanceof _slick2.default.Group && (0, _jquery2.default)(e.target).hasClass(options.toggleCssClass)) {\n\t      var range = _grid.getRenderedRange();\n\t      this.getData().setRefreshHints({\n\t        ignoreDiffsBefore: range.top,\n\t        ignoreDiffsAfter: range.bottom + 1\n\t      });\n\t\n\t      if (item.collapsed) {\n\t        this.getData().expandGroup(item.groupingKey);\n\t      } else {\n\t        this.getData().collapseGroup(item.groupingKey);\n\t      }\n\t\n\t      e.stopImmediatePropagation();\n\t      e.preventDefault();\n\t    }\n\t  }\n\t\n\t  // TODO:  add -/+ handling\n\t  function handleGridKeyDown(e) {\n\t    if (options.enableExpandCollapse && e.which == _slick2.default.keyCode.SPACE) {\n\t      var activeCell = this.getActiveCell();\n\t      if (activeCell) {\n\t        var item = this.getDataItem(activeCell.row);\n\t        if (item && item instanceof _slick2.default.Group) {\n\t          var range = _grid.getRenderedRange();\n\t          this.getData().setRefreshHints({\n\t            ignoreDiffsBefore: range.top,\n\t            ignoreDiffsAfter: range.bottom + 1\n\t          });\n\t\n\t          if (item.collapsed) {\n\t            this.getData().expandGroup(item.groupingKey);\n\t          } else {\n\t            this.getData().collapseGroup(item.groupingKey);\n\t          }\n\t\n\t          e.stopImmediatePropagation();\n\t          e.preventDefault();\n\t        }\n\t      }\n\t    }\n\t  }\n\t\n\t  function getGroupRowMetadata(item) {\n\t    return {\n\t      selectable: false,\n\t      focusable: options.groupFocusable,\n\t      cssClasses: options.groupCssClass,\n\t      columns: {\n\t        0: {\n\t          colspan: \"*\",\n\t          formatter: options.groupFormatter,\n\t          editor: null\n\t        }\n\t      }\n\t    };\n\t  }\n\t\n\t  function getTotalsRowMetadata(item) {\n\t    return {\n\t      selectable: false,\n\t      focusable: options.totalsFocusable,\n\t      cssClasses: options.totalsCssClass,\n\t      formatter: options.totalsFormatter,\n\t      editor: null\n\t    };\n\t  }\n\t\n\t  return {\n\t    init: init,\n\t    destroy: destroy,\n\t    getGroupRowMetadata: getGroupRowMetadata,\n\t    getTotalsRowMetadata: getTotalsRowMetadata\n\t  };\n\t}\n\n/***/ }),\n/* 32 */\n/***/ (function(module, exports) {\n\n\tmodule.exports = require(\"flatpickr\");\n\n/***/ })\n/******/ ])));\n\n\n// WEBPACK FOOTER //\n// slick.es6.min.js"," \t// The module cache\n \tvar installedModules = {};\n\n \t// The require function\n \tfunction __webpack_require__(moduleId) {\n\n \t\t// Check if module is in cache\n \t\tif(installedModules[moduleId])\n \t\t\treturn installedModules[moduleId].exports;\n\n \t\t// Create a new module (and put it into the cache)\n \t\tvar module = installedModules[moduleId] = {\n \t\t\texports: {},\n \t\t\tid: moduleId,\n \t\t\tloaded: false\n \t\t};\n\n \t\t// Execute the module function\n \t\tmodules[moduleId].call(module.exports, module, module.exports, __webpack_require__);\n\n \t\t// Flag the module as loaded\n \t\tmodule.loaded = true;\n\n \t\t// Return the exports of the module\n \t\treturn module.exports;\n \t}\n\n\n \t// expose the modules object (__webpack_modules__)\n \t__webpack_require__.m = modules;\n\n \t// expose the module cache\n \t__webpack_require__.c = installedModules;\n\n \t// __webpack_public_path__\n \t__webpack_require__.p = \"/\";\n\n \t// Load entry module and return exports\n \treturn __webpack_require__(0);\n\n\n\n// WEBPACK FOOTER //\n// webpack/bootstrap 8c7bca7696891a656754","/** *\r\n * Contains core SlickGrid classes.\r\n * @module Core\r\n * @namespace Slick\r\n */\r\nconst Slick = {\r\n  Event: Event,\r\n  EventData: EventData,\r\n  EventHandler: EventHandler,\r\n  Range: Range,\r\n  NonDataRow: NonDataItem,\r\n  Group: Group,\r\n  GroupTotals: GroupTotals,\r\n  EditorLock: EditorLock,\r\n  /** *\r\n   * A global singleton editor lock.\r\n   * @class GlobalEditorLock\r\n   * @static\r\n   * @constructor\r\n   */\r\n  GlobalEditorLock: new EditorLock(),\r\n  TreeColumns: TreeColumns,\r\n\r\n  keyCode: {\r\n    BACKSPACE: 8,\r\n    DELETE: 46,\r\n    DOWN: 40,\r\n    END: 35,\r\n    ENTER: 13,\r\n    ESCAPE: 27,\r\n    HOME: 36,\r\n    INSERT: 45,\r\n    LEFT: 37,\r\n    PAGE_DOWN: 34,\r\n    PAGE_UP: 33,\r\n    RIGHT: 39,\r\n    TAB: 9,\r\n    UP: 38,\r\n    SPACE: 32\r\n  }\r\n};\r\n\r\nexport default Slick;\r\n\r\n/***\r\n * An event object for passing data to event handlers and letting them control propagation.\r\n * <p>This is pretty much identical to how W3C and jQuery implement events.</p>\r\n * @class EventData\r\n * @constructor\r\n */\r\nfunction EventData() {\r\n  var isPropagationStopped = false;\r\n  var isImmediatePropagationStopped = false;\r\n\r\n  /***\r\n   * Stops event from propagating up the DOM tree.\r\n   * @method stopPropagation\r\n   */\r\n  this.stopPropagation = function() {\r\n    isPropagationStopped = true;\r\n  };\r\n\r\n  /***\r\n   * Returns whether stopPropagation was called on this event object.\r\n   * @method isPropagationStopped\r\n   * @return {Boolean}\r\n   */\r\n  this.isPropagationStopped = function() {\r\n    return isPropagationStopped;\r\n  };\r\n\r\n  /***\r\n   * Prevents the rest of the handlers from being executed.\r\n   * @method stopImmediatePropagation\r\n   */\r\n  this.stopImmediatePropagation = function() {\r\n    isImmediatePropagationStopped = true;\r\n  };\r\n\r\n  /***\r\n   * Returns whether stopImmediatePropagation was called on this event object.\\\r\n   * @method isImmediatePropagationStopped\r\n   * @return {Boolean}\r\n   */\r\n  this.isImmediatePropagationStopped = function() {\r\n    return isImmediatePropagationStopped;\r\n  }\r\n}\r\n\r\n/***\r\n * A simple publisher-subscriber implementation.\r\n * @class Event\r\n * @constructor\r\n */\r\nfunction Event() {\r\n  var handlers = [];\r\n\r\n  /***\r\n   * Adds an event handler to be called when the event is fired.\r\n   * <p>Event handler will receive two arguments - an <code>EventData</code> and the <code>data</code>\r\n   * object the event was fired with.<p>\r\n   * @method subscribe\r\n   * @param fn {Function} Event handler.\r\n   */\r\n  this.subscribe = function(fn) {\r\n    handlers.push(fn);\r\n  };\r\n\r\n  /***\r\n   * Removes an event handler added with <code>subscribe(fn)</code>.\r\n   * @method unsubscribe\r\n   * @param fn {Function} Event handler to be removed.\r\n   */\r\n  this.unsubscribe = function(fn) {\r\n    for (var i = handlers.length - 1; i >= 0; i--) {\r\n      if (handlers[i] === fn) {\r\n        handlers.splice(i, 1);\r\n      }\r\n    }\r\n  };\r\n\r\n  /***\r\n   * Fires an event notifying all subscribers.\r\n   * @method notify\r\n   * @param args {Object} Additional data object to be passed to all handlers.\r\n   * @param e {EventData}\r\n   *      Optional.\r\n   *      An <code>EventData</code> object to be passed to all handlers.\r\n   *      For DOM events, an existing W3C/jQuery event object can be passed in.\r\n   * @param scope {Object}\r\n   *      Optional.\r\n   *      The scope (\"this\") within which the handler will be executed.\r\n   *      If not specified, the scope will be set to the <code>Event</code> instance.\r\n   */\r\n  this.notify = function(args, e, scope) {\r\n    e = e || new EventData();\r\n    scope = scope || this;\r\n\r\n    var returnValue;\r\n    for (var i = 0; i < handlers.length && !(e.isPropagationStopped() || e.isImmediatePropagationStopped()); i++) {\r\n      returnValue = handlers[i].call(scope, e, args);\r\n    }\r\n\r\n    return returnValue;\r\n  };\r\n}\r\n\r\nfunction EventHandler() {\r\n  var handlers = [];\r\n\r\n  this.subscribe = function(event, handler) {\r\n    handlers.push({\r\n      event: event,\r\n      handler: handler\r\n    });\r\n    event.subscribe(handler);\r\n\r\n    return this; // allow chaining\r\n  };\r\n\r\n  this.unsubscribe = function(event, handler) {\r\n    var i = handlers.length;\r\n    while (i--) {\r\n      if (handlers[i].event === event && handlers[i].handler === handler) {\r\n        handlers.splice(i, 1);\r\n        event.unsubscribe(handler);\r\n        return;\r\n      }\r\n    }\r\n\r\n    return this; // allow chaining\r\n  };\r\n\r\n  this.unsubscribeAll = function() {\r\n    var i = handlers.length;\r\n    while (i--) {\r\n      handlers[i].event.unsubscribe(handlers[i].handler);\r\n    }\r\n    handlers = [];\r\n\r\n    return this; // allow chaining\r\n  }\r\n}\r\n\r\n/***\r\n * A structure containing a range of cells.\r\n * @class Range\r\n * @constructor\r\n * @param fromRow {Integer} Starting row.\r\n * @param fromCell {Integer} Starting cell.\r\n * @param toRow {Integer} Optional. Ending row. Defaults to <code>fromRow</code>.\r\n * @param toCell {Integer} Optional. Ending cell. Defaults to <code>fromCell</code>.\r\n */\r\nfunction Range(fromRow, fromCell, toRow, toCell) {\r\n  if (toRow === undefined && toCell === undefined) {\r\n    toRow = fromRow;\r\n    toCell = fromCell;\r\n  }\r\n\r\n  /***\r\n   * @property fromRow\r\n   * @type {Integer}\r\n   */\r\n  this.fromRow = Math.min(fromRow, toRow);\r\n\r\n  /***\r\n   * @property fromCell\r\n   * @type {Integer}\r\n   */\r\n  this.fromCell = Math.min(fromCell, toCell);\r\n\r\n  /***\r\n   * @property toRow\r\n   * @type {Integer}\r\n   */\r\n  this.toRow = Math.max(fromRow, toRow);\r\n\r\n  /***\r\n   * @property toCell\r\n   * @type {Integer}\r\n   */\r\n  this.toCell = Math.max(fromCell, toCell);\r\n\r\n  /***\r\n   * Returns whether a range represents a single row.\r\n   * @method isSingleRow\r\n   * @return {Boolean}\r\n   */\r\n  this.isSingleRow = function() {\r\n    return this.fromRow == this.toRow;\r\n  };\r\n\r\n  /***\r\n   * Returns whether a range represents a single cell.\r\n   * @method isSingleCell\r\n   * @return {Boolean}\r\n   */\r\n  this.isSingleCell = function() {\r\n    return this.fromRow == this.toRow && this.fromCell == this.toCell;\r\n  };\r\n\r\n  /***\r\n   * Returns whether a range contains a given cell.\r\n   * @method contains\r\n   * @param row {Integer}\r\n   * @param cell {Integer}\r\n   * @return {Boolean}\r\n   */\r\n  this.contains = function(row, cell) {\r\n    return row >= this.fromRow && row <= this.toRow && cell >= this.fromCell && cell <= this.toCell;\r\n  };\r\n\r\n  /***\r\n   * Returns a readable representation of a range.\r\n   * @method toString\r\n   * @return {String}\r\n   */\r\n  this.toString = function() {\r\n    if (this.isSingleCell()) {\r\n      return \"(\" + this.fromRow + \":\" + this.fromCell + \")\";\r\n    } else {\r\n      return \"(\" + this.fromRow + \":\" + this.fromCell + \" - \" + this.toRow + \":\" + this.toCell + \")\";\r\n    }\r\n  }\r\n}\r\n\r\n\r\n/***\r\n * A base class that all special / non-data rows (like Group and GroupTotals) derive from.\r\n * @class NonDataItem\r\n * @constructor\r\n */\r\nfunction NonDataItem() {\r\n  this.__nonDataRow = true;\r\n}\r\n\r\n\r\n/***\r\n * Information about a group of rows.\r\n * @class Group\r\n * @extends Slick.NonDataItem\r\n * @constructor\r\n */\r\nfunction Group() {\r\n  this.__group = true;\r\n\r\n  /**\r\n   * Grouping level, starting with 0.\r\n   * @property level\r\n   * @type {Number}\r\n   */\r\n  this.level = 0;\r\n\r\n  /***\r\n   * Number of rows in the group.\r\n   * @property count\r\n   * @type {Integer}\r\n   */\r\n  this.count = 0;\r\n\r\n  /***\r\n   * Grouping value.\r\n   * @property value\r\n   * @type {Object}\r\n   */\r\n  this.value = null;\r\n\r\n  /***\r\n   * Formatted display value of the group.\r\n   * @property title\r\n   * @type {String}\r\n   */\r\n  this.title = null;\r\n\r\n  /***\r\n   * Whether a group is collapsed.\r\n   * @property collapsed\r\n   * @type {Boolean}\r\n   */\r\n  this.collapsed = false;\r\n\r\n  /***\r\n   * GroupTotals, if any.\r\n   * @property totals\r\n   * @type {GroupTotals}\r\n   */\r\n  this.totals = null;\r\n\r\n  /**\r\n   * Rows that are part of the group.\r\n   * @property rows\r\n   * @type {Array}\r\n   */\r\n  this.rows = [];\r\n\r\n  /**\r\n   * Sub-groups that are part of the group.\r\n   * @property groups\r\n   * @type {Array}\r\n   */\r\n  this.groups = null;\r\n\r\n  /**\r\n   * A unique key used to identify the group.  This key can be used in calls to DataView\r\n   * collapseGroup() or expandGroup().\r\n   * @property groupingKey\r\n   * @type {Object}\r\n   */\r\n  this.groupingKey = null;\r\n}\r\n\r\nGroup.prototype = new NonDataItem();\r\n\r\n/***\r\n * Compares two Group instances.\r\n * @method equals\r\n * @return {Boolean}\r\n * @param group {Group} Group instance to compare to.\r\n */\r\nGroup.prototype.equals = function(group) {\r\n  return this.value === group.value && this.count === group.count && this.collapsed === group.collapsed && this.title === group.title;\r\n};\r\n\r\n/***\r\n * Information about group totals.\r\n * An instance of GroupTotals will be created for each totals row and passed to the aggregators\r\n * so that they can store arbitrary data in it.  That data can later be accessed by group totals\r\n * formatters during the display.\r\n * @class GroupTotals\r\n * @extends Slick.NonDataItem\r\n * @constructor\r\n */\r\nfunction GroupTotals() {\r\n  this.__groupTotals = true;\r\n\r\n  /***\r\n   * Parent Group.\r\n   * @param group\r\n   * @type {Group}\r\n   */\r\n  this.group = null;\r\n\r\n  /***\r\n   * Whether the totals have been fully initialized / calculated.\r\n   * Will be set to false for lazy-calculated group totals.\r\n   * @param initialized\r\n   * @type {Boolean}\r\n   */\r\n  this.initialized = false;\r\n}\r\n\r\nGroupTotals.prototype = new NonDataItem();\r\n\r\n/***\r\n * A locking helper to track the active edit controller and ensure that only a single controller\r\n * can be active at a time.  This prevents a whole class of state and validation synchronization\r\n * issues.  An edit controller (such as SlickGrid) can query if an active edit is in progress\r\n * and attempt a commit or cancel before proceeding.\r\n * @class EditorLock\r\n * @constructor\r\n */\r\nfunction EditorLock() {\r\n  var activeEditController = null;\r\n\r\n  /***\r\n   * Returns true if a specified edit controller is active (has the edit lock).\r\n   * If the parameter is not specified, returns true if any edit controller is active.\r\n   * @method isActive\r\n   * @param editController {EditController}\r\n   * @return {Boolean}\r\n   */\r\n  this.isActive = function(editController) {\r\n    return (editController ? activeEditController === editController : activeEditController !== null);\r\n  };\r\n\r\n  /***\r\n   * Sets the specified edit controller as the active edit controller (acquire edit lock).\r\n   * If another edit controller is already active, and exception will be thrown.\r\n   * @method activate\r\n   * @param editController {EditController} edit controller acquiring the lock\r\n   */\r\n  this.activate = function(editController) {\r\n    if (editController === activeEditController) { // already activated?\r\n      return;\r\n    }\r\n    if (activeEditController !== null) {\r\n      throw \"SlickGrid.EditorLock.activate: an editController is still active, can't activate another editController\";\r\n    }\r\n    if (!editController.commitCurrentEdit) {\r\n      throw \"SlickGrid.EditorLock.activate: editController must implement .commitCurrentEdit()\";\r\n    }\r\n    if (!editController.cancelCurrentEdit) {\r\n      throw \"SlickGrid.EditorLock.activate: editController must implement .cancelCurrentEdit()\";\r\n    }\r\n    activeEditController = editController;\r\n  };\r\n\r\n  /***\r\n   * Unsets the specified edit controller as the active edit controller (release edit lock).\r\n   * If the specified edit controller is not the active one, an exception will be thrown.\r\n   * @method deactivate\r\n   * @param editController {EditController} edit controller releasing the lock\r\n   */\r\n  this.deactivate = function(editController) {\r\n    if (activeEditController !== editController) {\r\n      throw \"SlickGrid.EditorLock.deactivate: specified editController is not the currently active one\";\r\n    }\r\n    activeEditController = null;\r\n  };\r\n\r\n  /***\r\n   * Attempts to commit the current edit by calling \"commitCurrentEdit\" method on the active edit\r\n   * controller and returns whether the commit attempt was successful (commit may fail due to validation\r\n   * errors, etc.).  Edit controller's \"commitCurrentEdit\" must return true if the commit has succeeded\r\n   * and false otherwise.  If no edit controller is active, returns true.\r\n   * @method commitCurrentEdit\r\n   * @return {Boolean}\r\n   */\r\n  this.commitCurrentEdit = function() {\r\n    return (activeEditController ? activeEditController.commitCurrentEdit() : true);\r\n  };\r\n\r\n  /***\r\n   * Attempts to cancel the current edit by calling \"cancelCurrentEdit\" method on the active edit\r\n   * controller and returns whether the edit was successfully cancelled.  If no edit controller is\r\n   * active, returns true.\r\n   * @method cancelCurrentEdit\r\n   * @return {Boolean}\r\n   */\r\n  this.cancelCurrentEdit = function cancelCurrentEdit() {\r\n    return (activeEditController ? activeEditController.cancelCurrentEdit() : true);\r\n  };\r\n}\r\n\r\n/**\r\n *\r\n * @param {Array} treeColumns Array com levels of columns\r\n * @returns {{hasDepth: 'hasDepth', getTreeColumns: 'getTreeColumns', extractColumns: 'extractColumns', getDepth: 'getDepth', getColumnsInDepth: 'getColumnsInDepth', getColumnsInGroup: 'getColumnsInGroup', visibleColumns: 'visibleColumns', filter: 'filter', reOrder: reOrder}}\r\n * @constructor\r\n */\r\nfunction TreeColumns(treeColumns) {\r\n\r\n  var columnsById = {};\r\n\r\n  function init() {\r\n    mapToId(treeColumns);\r\n  }\r\n\r\n  function mapToId(columns) {\r\n    columns.forEach(function(column) {\r\n      columnsById[column.id] = column;\r\n\r\n      if (column.columns) mapToId(column.columns);\r\n    });\r\n  }\r\n\r\n  function filter(node, condition) {\r\n\r\n    return node.filter(function(column) {\r\n\r\n      var valid = condition.call(column);\r\n\r\n      if (valid && column.columns) column.columns = filter(column.columns, condition);\r\n\r\n      return valid && (!column.columns || column.columns.length);\r\n    });\r\n\r\n  }\r\n\r\n  function sort(columns, grid) {\r\n    columns.sort(function(a, b) {\r\n      var indexA = getOrDefault(grid.getColumnIndex(a.id)),\r\n        indexB = getOrDefault(grid.getColumnIndex(b.id));\r\n\r\n      return indexA - indexB;\r\n    })\r\n      .forEach(function(column) {\r\n        if (column.columns) sort(column.columns, grid);\r\n      });\r\n  }\r\n\r\n  function getOrDefault(value) {\r\n    return typeof value === 'undefined' ? -1 : value;\r\n  }\r\n\r\n  function getDepth(node) {\r\n    if (node.length) for (var i in node)\r\n      return getDepth(node[i]);\r\n    else if (node.columns) return 1 + getDepth(node.columns);\r\n    else return 1;\r\n  }\r\n\r\n  function getColumnsInDepth(node, depth, current) {\r\n    var columns = [];\r\n    current = current || 0;\r\n\r\n    if (depth == current) {\r\n\r\n      if (node.length) node.forEach(function(n) {\r\n        if (n.columns) n.extractColumns = function() {\r\n          return extractColumns(n);\r\n        };\r\n      });\r\n\r\n      return node;\r\n    } else for (var i in node)\r\n      if (node[i].columns) {\r\n        columns = columns.concat(getColumnsInDepth(node[i].columns, depth, current + 1));\r\n      }\r\n\r\n    return columns;\r\n  }\r\n\r\n  function extractColumns(node) {\r\n    var result = [];\r\n\r\n    if (node.hasOwnProperty('length')) {\r\n\r\n      for (var i = 0; i < node.length; i++)\r\n        result = result.concat(extractColumns(node[i]));\r\n\r\n    } else {\r\n\r\n      if (node.hasOwnProperty('columns'))\r\n\r\n        result = result.concat(extractColumns(node.columns));\r\n\r\n      else return node;\r\n\r\n    }\r\n\r\n    return result;\r\n  }\r\n\r\n  function cloneTreeColumns() {\r\n    return $.extend(true, [], treeColumns);\r\n  }\r\n\r\n  init();\r\n\r\n  this.hasDepth = function() {\r\n\r\n    for (var i in treeColumns)\r\n      if (treeColumns[i].hasOwnProperty('columns')) return true;\r\n\r\n    return false;\r\n  };\r\n\r\n  this.getTreeColumns = function() {\r\n    return treeColumns;\r\n  };\r\n\r\n  this.extractColumns = function() {\r\n    return this.hasDepth() ? extractColumns(treeColumns) : treeColumns;\r\n  };\r\n\r\n  this.getDepth = function() {\r\n    return getDepth(treeColumns);\r\n  };\r\n\r\n  this.getColumnsInDepth = function(depth) {\r\n    return getColumnsInDepth(treeColumns, depth);\r\n  };\r\n\r\n  this.getColumnsInGroup = function(groups) {\r\n    return extractColumns(groups);\r\n  };\r\n\r\n  this.visibleColumns = function() {\r\n    return filter(cloneTreeColumns(), function() {\r\n      return this.visible;\r\n    });\r\n  };\r\n\r\n  this.filter = function(condition) {\r\n    return filter(cloneTreeColumns(), condition);\r\n  };\r\n\r\n  this.reOrder = function(grid) {\r\n    return sort(treeColumns, grid);\r\n  };\r\n\r\n  this.getById = function(id) {\r\n    return columnsById[id];\r\n  };\r\n\r\n  this.getInIds = function(ids) {\r\n    return ids.map(function(id) {\r\n      return columnsById[id];\r\n    });\r\n  }\r\n}\r\n\n\n\n// WEBPACK FOOTER //\n// ../src/slick.core.js","module.exports = require(\"jquery\");\n\n\n//////////////////\n// WEBPACK FOOTER\n// external \"jquery\"\n// module id = 2\n// module chunks = 0","import $ from 'jquery';\r\nimport Slick from '../../src/slick.core';\r\n\r\nexport default CellRangeDecorator;\r\n\r\n/** *\r\n * Displays an overlay on top of a given cell range.\r\n *\r\n * TODO:\r\n * Currently, it blocks mouse events to DOM nodes behind it.\r\n * Use FF and WebKit-specific 'pointer-events' CSS style, or some kind of event forwarding.\r\n * Could also construct the borders separately using 4 individual DIVs.\r\n *\r\n * @param {Grid} grid\r\n * @param {Object} options\r\n */\r\nfunction CellRangeDecorator(grid, options){\r\n  let _elem;\r\n  const _defaults = {\r\n    selectionCssClass: 'slick-range-decorator',\r\n    selectionCss: {\r\n      zIndex: '9999',\r\n      border: '2px dashed red'\r\n    }\r\n  };\r\n\r\n  options = Object.assign({}, _defaults, options);\r\n\r\n  function show(range){\r\n    if (!_elem){\r\n      _elem = $('<div></div>', {css: options.selectionCss})\r\n        .addClass(options.selectionCssClass)\r\n        .css('position', 'absolute')\r\n        .appendTo(grid.getCanvasNode());\r\n    }\r\n\r\n    const from = grid.getCellNodeBox(range.fromRow, range.fromCell);\r\n    const to = grid.getCellNodeBox(range.toRow, range.toCell);\r\n\r\n    _elem.css({\r\n      top: from.top - 1,\r\n      left: from.left - 1,\r\n      height: to.bottom - from.top - 2,\r\n      width: to.right - from.left - 2\r\n    });\r\n\r\n    return _elem;\r\n  }\r\n\r\n  function hide(){\r\n    if (_elem){\r\n      _elem.remove();\r\n      _elem = null;\r\n    }\r\n  }\r\n\r\n  Object.assign(this, {\r\n    show,\r\n    hide\r\n  });\r\n}\r\n\n\n\n// WEBPACK FOOTER //\n// ../plugins/slick.cellrangedecorator/slick.cellrangedecorator.js","import $ from 'jquery';\r\nimport Slick from '../../src/slick.core';\r\nimport CellRangeDecorator from '../slick.cellrangedecorator/slick.cellrangedecorator';\r\n\r\nexport default CellRangeSelector;\r\n\r\nfunction CellRangeSelector(options){\r\n  let _grid;\r\n  let _canvas;\r\n  let _dragging;\r\n  let _decorator;\r\n  let _range = {};\r\n\r\n  const _self = this;\r\n  const _handler = new Slick.EventHandler();\r\n  const _defaults = {\r\n    selectionCss: {\r\n      // 'border': '2px dashed blue'\r\n    }\r\n  };\r\n\r\n  function init(grid){\r\n    options = Object.assign({}, _defaults, options);\r\n    _decorator = new CellRangeDecorator(grid, options);\r\n    _grid = grid;\r\n    _canvas = _grid.getCanvasNode();\r\n    _handler\r\n      .subscribe(_grid.onDragInit, handleDragInit)\r\n      .subscribe(_grid.onDragStart, handleDragStart)\r\n      .subscribe(_grid.onDrag, handleDrag)\r\n      .subscribe(_grid.onDragEnd, handleDragEnd);\r\n  }\r\n\r\n  function destroy(){\r\n    _handler.unsubscribeAll();\r\n  }\r\n\r\n  function handleDragInit(e, dd){\r\n    // prevent the grid from cancelling drag'n'drop by default\r\n    e.stopImmediatePropagation();\r\n  }\r\n\r\n  function handleDragStart(jqueryEvent, interactEvent){\r\n    const cell = _grid.getCellFromEvent(interactEvent.originalEvent);\r\n    if (_self.onBeforeCellRangeSelected.notify(cell) !== false){\r\n      if (_grid.canCellBeSelected(cell.row, cell.cell)){\r\n        _dragging = true;\r\n        // jqueryEvent.stopImmediatePropagation();\r\n      }\r\n    }\r\n    if (!_dragging){\r\n      return;\r\n    }\r\n\r\n    _grid.focus();\r\n\r\n    const start = _grid.getCellFromPoint(\r\n      interactEvent.x0 - $(_canvas).offset().left,\r\n      interactEvent.y0 - $(_canvas).offset().top\r\n    );\r\n\r\n    _range = {\r\n      start,\r\n      end: {}\r\n    };\r\n\r\n    return _decorator.show(new Slick.Range(start.row, start.cell));\r\n  }\r\n\r\n  function handleDrag(e, interactEvent){\r\n    if (!_dragging){\r\n      return;\r\n    }\r\n    // e.stopImmediatePropagation();\r\n\r\n    const end = _grid.getCellFromPoint(\r\n      interactEvent.pageX - $(_canvas).offset().left,\r\n      interactEvent.pageY - $(_canvas).offset().top);\r\n\r\n    if (!_grid.canCellBeSelected(end.row, end.cell)){\r\n      return;\r\n    }\r\n\r\n    _range.end = end;\r\n    _decorator.show(new Slick.Range(_range.start.row, _range.start.cell, end.row, end.cell));\r\n  }\r\n\r\n  function handleDragEnd(e){\r\n    if (!_dragging){\r\n      return;\r\n    }\r\n\r\n    _dragging = false;\r\n    // e.stopImmediatePropagation();\r\n\r\n    _decorator.hide();\r\n    _self.onCellRangeSelected.notify({\r\n      range: new Slick.Range(\r\n        _range.start.row,\r\n        _range.start.cell,\r\n        _range.end.row,\r\n        _range.end.cell\r\n      )\r\n    });\r\n    _range = {};\r\n  }\r\n\r\n  Object.assign(this, {\r\n    init,\r\n    destroy,\r\n\r\n    onBeforeCellRangeSelected: new Slick.Event(),\r\n    onCellRangeSelected: new Slick.Event()\r\n  });\r\n}\r\n\n\n\n// WEBPACK FOOTER //\n// ../plugins/slick.cellrangeselector/slick.cellrangeselector.js","/**\r\n * interact.js v1.2.6\r\n *\r\n * Copyright (c) 2012-2015 Taye Adeyemi <dev@taye.me>\r\n * Open source under the MIT License.\r\n * https://raw.github.com/taye/interact.js/master/LICENSE\r\n *\r\n * This file has been monkey patched to pass the originalEvent on to drag events\r\n */\r\n(function(realWindow){\r\n  'use strict';\r\n\r\n    // return early if there's no window to work with (eg. Node.js)\r\n  if (!realWindow){ return; }\r\n\r\n  var // get wrapped window if using Shadow DOM polyfill\r\n    window = (function(){\r\n            // create a TextNode\r\n      var el = realWindow.document.createTextNode('');\r\n\r\n            // check if it's wrapped by a polyfill\r\n      if (el.ownerDocument !== realWindow.document\r\n                && typeof realWindow.wrap === 'function'\r\n                && realWindow.wrap(el) === el){\r\n                // return wrapped window\r\n        return realWindow.wrap(realWindow);\r\n      }\r\n\r\n            // no Shadow DOM polyfil or native implementation\r\n      return realWindow;\r\n    }()),\r\n\r\n    document = window.document,\r\n    DocumentFragment = window.DocumentFragment || blank,\r\n    SVGElement = window.SVGElement || blank,\r\n    SVGSVGElement = window.SVGSVGElement || blank,\r\n    SVGElementInstance = window.SVGElementInstance || blank,\r\n    HTMLElement = window.HTMLElement || window.Element,\r\n\r\n    PointerEvent = (window.PointerEvent || window.MSPointerEvent),\r\n    pEventTypes,\r\n\r\n    hypot = Math.hypot || function(x, y){ return Math.sqrt(x * x + y * y); },\r\n\r\n    tmpXY = {},     // reduce object creation in getXY()\r\n\r\n    documents = [],   // all documents being listened to\r\n\r\n    interactables = [],   // all set interactables\r\n    interactions = [],   // all interactions\r\n\r\n    dynamicDrop = false,\r\n\r\n        // {\r\n        //      type: {\r\n        //          selectors: ['selector', ...],\r\n        //          contexts : [document, ...],\r\n        //          listeners: [[listener, useCapture], ...]\r\n        //      }\r\n        //  }\r\n    delegatedEvents = {},\r\n\r\n    defaultOptions = {\r\n      base: {\r\n        accept: null,\r\n        actionChecker: null,\r\n        styleCursor: true,\r\n        preventDefault: 'auto',\r\n        origin: { x: 0, y: 0 },\r\n        deltaSource: 'page',\r\n        allowFrom: null,\r\n        ignoreFrom: null,\r\n        _context: document,\r\n        dropChecker: null\r\n      },\r\n\r\n      drag: {\r\n        enabled: false,\r\n        manualStart: true,\r\n        max: Infinity,\r\n        maxPerElement: 1,\r\n\r\n        snap: null,\r\n        restrict: null,\r\n        inertia: null,\r\n        autoScroll: null,\r\n\r\n        axis: 'xy'\r\n      },\r\n\r\n      drop: {\r\n        enabled: false,\r\n        accept: null,\r\n        overlap: 'pointer'\r\n      },\r\n\r\n      resize: {\r\n        enabled: false,\r\n        manualStart: false,\r\n        max: Infinity,\r\n        maxPerElement: 1,\r\n\r\n        snap: null,\r\n        restrict: null,\r\n        inertia: null,\r\n        autoScroll: null,\r\n\r\n        square: false,\r\n        preserveAspectRatio: false,\r\n        axis: 'xy',\r\n\r\n                // use default margin\r\n        margin: NaN,\r\n\r\n                // object with props left, right, top, bottom which are\r\n                // true/false values to resize when the pointer is over that edge,\r\n                // CSS selectors to match the handles for each direction\r\n                // or the Elements for each handle\r\n        edges: null,\r\n\r\n                // a value of 'none' will limit the resize rect to a minimum of 0x0\r\n                // 'negate' will alow the rect to have negative width/height\r\n                // 'reposition' will keep the width/height positive by swapping\r\n                // the top and bottom edges and/or swapping the left and right edges\r\n        invert: 'none'\r\n      },\r\n\r\n      gesture: {\r\n        manualStart: false,\r\n        enabled: false,\r\n        max: Infinity,\r\n        maxPerElement: 1,\r\n\r\n        restrict: null\r\n      },\r\n\r\n      perAction: {\r\n        manualStart: false,\r\n        max: Infinity,\r\n        maxPerElement: 1,\r\n\r\n        snap: {\r\n          enabled: false,\r\n          endOnly: false,\r\n          range: Infinity,\r\n          targets: null,\r\n          offsets: null,\r\n\r\n          relativePoints: null\r\n        },\r\n\r\n        restrict: {\r\n          enabled: false,\r\n          endOnly: false\r\n        },\r\n\r\n        autoScroll: {\r\n          enabled: false,\r\n          container: null,     // the item that is scrolled (Window or HTMLElement)\r\n          margin: 60,\r\n          speed: 300       // the scroll speed in pixels per second\r\n        },\r\n\r\n        inertia: {\r\n          enabled: false,\r\n          resistance: 10,    // the lambda in exponential decay\r\n          minSpeed: 100,   // target speed must be above this for inertia to start\r\n          endSpeed: 10,    // the speed at which inertia is slow enough to stop\r\n          allowResume: true,  // allow resuming an action in inertia phase\r\n          zeroResumeDelta: true,  // if an action is resumed after launch, set dx/dy to 0\r\n          smoothEndDuration: 300    // animate to snap/restrict endOnly if there's no inertia\r\n        }\r\n      },\r\n\r\n      _holdDuration: 600\r\n    },\r\n\r\n        // Things related to autoScroll\r\n    autoScroll = {\r\n      interaction: null,\r\n      i: null,    // the handle returned by window.setInterval\r\n      x: 0, y: 0, // Direction each pulse is to scroll in\r\n\r\n            // scroll the window by the values in scroll.x/y\r\n      scroll: function(){\r\n        var options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll,\r\n          container = options.container || getWindow(autoScroll.interaction.element),\r\n          now = new Date().getTime(),\r\n                    // change in time in seconds\r\n          dtx = (now - autoScroll.prevTimeX) / 1000,\r\n          dty = (now - autoScroll.prevTimeY) / 1000,\r\n          vx, vy, sx, sy;\r\n\r\n                // displacement\r\n        if (options.velocity){\r\n          vx = options.velocity.x;\r\n          vy = options.velocity.y;\r\n        }\r\n        else {\r\n          vx = vy = options.speed;\r\n        }\r\n\r\n        sx = vx * dtx;\r\n        sy = vy * dty;\r\n\r\n        if (sx >= 1 || sy >= 1){\r\n          if (isWindow(container)){\r\n            container.scrollBy(autoScroll.x * sx, autoScroll.y * sy);\r\n          }\r\n          else if (container){\r\n            container.scrollLeft += autoScroll.x * sx;\r\n            container.scrollTop += autoScroll.y * sy;\r\n          }\r\n\r\n          if (sx >= 1) autoScroll.prevTimeX = now;\r\n          if (sy >= 1) autoScroll.prevTimeY = now;\r\n        }\r\n\r\n        if (autoScroll.isScrolling){\r\n          cancelFrame(autoScroll.i);\r\n          autoScroll.i = reqFrame(autoScroll.scroll);\r\n        }\r\n      },\r\n\r\n      isScrolling: false,\r\n      prevTimeX: 0,\r\n      prevTimeY: 0,\r\n\r\n      start: function(interaction){\r\n        autoScroll.isScrolling = true;\r\n        cancelFrame(autoScroll.i);\r\n\r\n        autoScroll.interaction = interaction;\r\n        autoScroll.prevTimeX = new Date().getTime();\r\n        autoScroll.prevTimeY = new Date().getTime();\r\n        autoScroll.i = reqFrame(autoScroll.scroll);\r\n      },\r\n\r\n      stop: function(){\r\n        autoScroll.isScrolling = false;\r\n        cancelFrame(autoScroll.i);\r\n      }\r\n    },\r\n\r\n        // Does the browser support touch input?\r\n    supportsTouch = (('ontouchstart' in window) || window.DocumentTouch && document instanceof window.DocumentTouch),\r\n\r\n        // Does the browser support PointerEvents\r\n    supportsPointerEvent = PointerEvent && !/Chrome/.test(navigator.userAgent),\r\n\r\n        // Less Precision with touch input\r\n    margin = supportsTouch || supportsPointerEvent ? 20 : 10,\r\n\r\n    pointerMoveTolerance = 1,\r\n\r\n        // for ignoring browser's simulated mouse events\r\n    prevTouchTime = 0,\r\n\r\n        // Allow this many interactions to happen simultaneously\r\n    maxInteractions = Infinity,\r\n\r\n        // Check if is IE9 or older\r\n    actionCursors = (document.all && !window.atob) ? {\r\n      drag: 'move',\r\n      resizex: 'e-resize',\r\n      resizey: 's-resize',\r\n      resizexy: 'se-resize',\r\n\r\n      resizetop: 'n-resize',\r\n      resizeleft: 'w-resize',\r\n      resizebottom: 's-resize',\r\n      resizeright: 'e-resize',\r\n      resizetopleft: 'se-resize',\r\n      resizebottomright: 'se-resize',\r\n      resizetopright: 'ne-resize',\r\n      resizebottomleft: 'ne-resize',\r\n\r\n      gesture: ''\r\n    } : {\r\n      drag: 'move',\r\n      resizex: 'ew-resize',\r\n      resizey: 'ns-resize',\r\n      resizexy: 'nwse-resize',\r\n\r\n      resizetop: 'ns-resize',\r\n      resizeleft: 'ew-resize',\r\n      resizebottom: 'ns-resize',\r\n      resizeright: 'ew-resize',\r\n      resizetopleft: 'nwse-resize',\r\n      resizebottomright: 'nwse-resize',\r\n      resizetopright: 'nesw-resize',\r\n      resizebottomleft: 'nesw-resize',\r\n\r\n      gesture: ''\r\n    },\r\n\r\n    actionIsEnabled = {\r\n      drag: true,\r\n      resize: true,\r\n      gesture: true\r\n    },\r\n\r\n        // because Webkit and Opera still use 'mousewheel' event type\r\n    wheelEvent = 'onmousewheel' in document ? 'mousewheel' : 'wheel',\r\n\r\n    eventTypes = [\r\n      'dragstart',\r\n      'dragmove',\r\n      'draginertiastart',\r\n      'dragend',\r\n      'dragenter',\r\n      'dragleave',\r\n      'dropactivate',\r\n      'dropdeactivate',\r\n      'dropmove',\r\n      'drop',\r\n      'resizestart',\r\n      'resizemove',\r\n      'resizeinertiastart',\r\n      'resizeend',\r\n      'gesturestart',\r\n      'gesturemove',\r\n      'gestureinertiastart',\r\n      'gestureend',\r\n\r\n      'down',\r\n      'move',\r\n      'up',\r\n      'cancel',\r\n      'tap',\r\n      'doubletap',\r\n      'hold'\r\n    ],\r\n\r\n    globalEvents = {},\r\n\r\n        // Opera Mobile must be handled differently\r\n    isOperaMobile = navigator.appName == 'Opera' &&\r\n            supportsTouch &&\r\n            navigator.userAgent.match('Presto'),\r\n\r\n        // scrolling doesn't change the result of getClientRects on iOS 7\r\n    isIOS7 = (/iP(hone|od|ad)/.test(navigator.platform)\r\n                         && /OS 7[^\\d]/.test(navigator.appVersion)),\r\n\r\n        // prefix matchesSelector\r\n    prefixedMatchesSelector = 'matches' in Element.prototype ?\r\n                'matches' : 'webkitMatchesSelector' in Element.prototype ?\r\n                    'webkitMatchesSelector' : 'mozMatchesSelector' in Element.prototype ?\r\n                        'mozMatchesSelector' : 'oMatchesSelector' in Element.prototype ?\r\n                            'oMatchesSelector' : 'msMatchesSelector',\r\n\r\n        // will be polyfill function if browser is IE8\r\n    ie8MatchesSelector,\r\n\r\n        // native requestAnimationFrame or polyfill\r\n    reqFrame = realWindow.requestAnimationFrame,\r\n    cancelFrame = realWindow.cancelAnimationFrame,\r\n\r\n        // Events wrapper\r\n    events = (function(){\r\n      var useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window),\r\n        addEvent = useAttachEvent ? 'attachEvent' : 'addEventListener',\r\n        removeEvent = useAttachEvent ? 'detachEvent' : 'removeEventListener',\r\n        on = useAttachEvent ? 'on' : '',\r\n\r\n        elements = [],\r\n        targets = [],\r\n        attachedListeners = [];\r\n\r\n      function add(element, type, listener, useCapture){\r\n        var elementIndex = indexOf(elements, element),\r\n          target = targets[elementIndex];\r\n\r\n        if (!target){\r\n          target = {\r\n            events: {},\r\n            typeCount: 0\r\n          };\r\n\r\n          elementIndex = elements.push(element) - 1;\r\n          targets.push(target);\r\n\r\n          attachedListeners.push((useAttachEvent ? {\r\n            supplied: [],\r\n            wrapped: [],\r\n            useCount: []\r\n          } : null));\r\n        }\r\n\r\n        if (!target.events[type]){\r\n          target.events[type] = [];\r\n          target.typeCount++;\r\n        }\r\n\r\n        if (!contains(target.events[type], listener)){\r\n          var ret;\r\n\r\n          if (useAttachEvent){\r\n            var listeners = attachedListeners[elementIndex],\r\n              listenerIndex = indexOf(listeners.supplied, listener);\r\n\r\n            var wrapped = listeners.wrapped[listenerIndex] || function(event){\r\n              if (!event.immediatePropagationStopped){\r\n                event.target = event.srcElement;\r\n                event.currentTarget = element;\r\n\r\n                event.preventDefault = event.preventDefault || preventDef;\r\n                event.stopPropagation = event.stopPropagation || stopProp;\r\n                event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\r\n\r\n                if (/mouse|click/.test(event.type)){\r\n                  event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\r\n                  event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\r\n                }\r\n\r\n                listener(event);\r\n              }\r\n            };\r\n\r\n            ret = element[addEvent](on + type, wrapped, Boolean(useCapture));\r\n\r\n            if (listenerIndex === -1){\r\n              listeners.supplied.push(listener);\r\n              listeners.wrapped.push(wrapped);\r\n              listeners.useCount.push(1);\r\n            }\r\n            else {\r\n              listeners.useCount[listenerIndex]++;\r\n            }\r\n          }\r\n          else {\r\n            ret = element[addEvent](type, listener, useCapture || false);\r\n          }\r\n          target.events[type].push(listener);\r\n\r\n          return ret;\r\n        }\r\n      }\r\n\r\n      function remove(element, type, listener, useCapture){\r\n        var i,\r\n          elementIndex = indexOf(elements, element),\r\n          target = targets[elementIndex],\r\n          listeners,\r\n          listenerIndex,\r\n          wrapped = listener;\r\n\r\n        if (!target || !target.events){\r\n          return;\r\n        }\r\n\r\n        if (useAttachEvent){\r\n          listeners = attachedListeners[elementIndex];\r\n          listenerIndex = indexOf(listeners.supplied, listener);\r\n          wrapped = listeners.wrapped[listenerIndex];\r\n        }\r\n\r\n        if (type === 'all'){\r\n          for (type in target.events){\r\n            if (target.events.hasOwnProperty(type)){\r\n              remove(element, type, 'all');\r\n            }\r\n          }\r\n          return;\r\n        }\r\n\r\n        if (target.events[type]){\r\n          var len = target.events[type].length;\r\n\r\n          if (listener === 'all'){\r\n            for (i = 0; i < len; i++){\r\n              remove(element, type, target.events[type][i], Boolean(useCapture));\r\n            }\r\n            return;\r\n          } else {\r\n            for (i = 0; i < len; i++){\r\n              if (target.events[type][i] === listener){\r\n                element[removeEvent](on + type, wrapped, useCapture || false);\r\n                target.events[type].splice(i, 1);\r\n\r\n                if (useAttachEvent && listeners){\r\n                  listeners.useCount[listenerIndex]--;\r\n                  if (listeners.useCount[listenerIndex] === 0){\r\n                    listeners.supplied.splice(listenerIndex, 1);\r\n                    listeners.wrapped.splice(listenerIndex, 1);\r\n                    listeners.useCount.splice(listenerIndex, 1);\r\n                  }\r\n                }\r\n\r\n                break;\r\n              }\r\n            }\r\n          }\r\n\r\n          if (target.events[type] && target.events[type].length === 0){\r\n            target.events[type] = null;\r\n            target.typeCount--;\r\n          }\r\n        }\r\n\r\n        if (!target.typeCount){\r\n          targets.splice(elementIndex, 1);\r\n          elements.splice(elementIndex, 1);\r\n          attachedListeners.splice(elementIndex, 1);\r\n        }\r\n      }\r\n\r\n      function preventDef(){\r\n        this.returnValue = false;\r\n      }\r\n\r\n      function stopProp(){\r\n        this.cancelBubble = true;\r\n      }\r\n\r\n      function stopImmProp(){\r\n        this.cancelBubble = true;\r\n        this.immediatePropagationStopped = true;\r\n      }\r\n\r\n      return {\r\n        add: add,\r\n        remove: remove,\r\n        useAttachEvent: useAttachEvent,\r\n\r\n        _elements: elements,\r\n        _targets: targets,\r\n        _attachedListeners: attachedListeners\r\n      };\r\n    }());\r\n\r\n  function blank(){}\r\n\r\n  function isElement(o){\r\n    if (!o || (typeof o !== 'object')){ return false; }\r\n\r\n    var _window = getWindow(o) || window;\r\n\r\n    return (/object|function/.test(typeof _window.Element)\r\n            ? o instanceof _window.Element // DOM2\r\n            : o.nodeType === 1 && typeof o.nodeName === 'string');\r\n  }\r\n  function isWindow(thing){ return thing === window || !!(thing && thing.Window) && (thing instanceof thing.Window); }\r\n  function isDocFrag(thing){ return !!thing && thing instanceof DocumentFragment; }\r\n  function isArray(thing){\r\n    return isObject(thing)\r\n                && (typeof thing.length !== undefined)\r\n                && isFunction(thing.splice);\r\n  }\r\n  function isObject(thing){ return !!thing && (typeof thing === 'object'); }\r\n  function isFunction(thing){ return typeof thing === 'function'; }\r\n  function isNumber(thing){ return typeof thing === 'number'; }\r\n  function isBool(thing){ return typeof thing === 'boolean'; }\r\n  function isString(thing){ return typeof thing === 'string'; }\r\n\r\n  function trySelector(value){\r\n    if (!isString(value)){ return false; }\r\n\r\n        // an exception will be raised if it is invalid\r\n    document.querySelector(value);\r\n    return true;\r\n  }\r\n\r\n  function extend(dest, source){\r\n    for (var prop in source){\r\n      dest[prop] = source[prop];\r\n    }\r\n    return dest;\r\n  }\r\n\r\n  var prefixedPropREs = {\r\n    webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/\r\n  };\r\n\r\n  function pointerExtend(dest, source){\r\n    for (var prop in source){\r\n      var deprecated = false;\r\n\r\n          // skip deprecated prefixed properties\r\n      for (var vendor in prefixedPropREs){\r\n        if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)){\r\n          deprecated = true;\r\n          break;\r\n        }\r\n      }\r\n\r\n      if (!deprecated){\r\n        dest[prop] = source[prop];\r\n      }\r\n    }\r\n    return dest;\r\n  }\r\n\r\n  function copyCoords(dest, src){\r\n    dest.page = dest.page || {};\r\n    dest.page.x = src.page.x;\r\n    dest.page.y = src.page.y;\r\n\r\n    dest.client = dest.client || {};\r\n    dest.client.x = src.client.x;\r\n    dest.client.y = src.client.y;\r\n\r\n    dest.timeStamp = src.timeStamp;\r\n  }\r\n\r\n  function setEventXY(targetObj, pointers, interaction){\r\n    var pointer = (pointers.length > 1\r\n                       ? pointerAverage(pointers)\r\n                       : pointers[0]);\r\n\r\n    getPageXY(pointer, tmpXY, interaction);\r\n    targetObj.page.x = tmpXY.x;\r\n    targetObj.page.y = tmpXY.y;\r\n\r\n    getClientXY(pointer, tmpXY, interaction);\r\n    targetObj.client.x = tmpXY.x;\r\n    targetObj.client.y = tmpXY.y;\r\n\r\n    targetObj.timeStamp = new Date().getTime();\r\n  }\r\n\r\n  function setEventDeltas(targetObj, prev, cur){\r\n    targetObj.page.x = cur.page.x - prev.page.x;\r\n    targetObj.page.y = cur.page.y - prev.page.y;\r\n    targetObj.client.x = cur.client.x - prev.client.x;\r\n    targetObj.client.y = cur.client.y - prev.client.y;\r\n    targetObj.timeStamp = new Date().getTime() - prev.timeStamp;\r\n\r\n        // set pointer velocity\r\n    var dt = Math.max(targetObj.timeStamp / 1000, 0.001);\r\n    targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\r\n    targetObj.page.vx = targetObj.page.x / dt;\r\n    targetObj.page.vy = targetObj.page.y / dt;\r\n\r\n    targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\r\n    targetObj.client.vx = targetObj.client.x / dt;\r\n    targetObj.client.vy = targetObj.client.y / dt;\r\n  }\r\n\r\n  function isNativePointer(pointer){\r\n    return (pointer instanceof window.Event\r\n            || (supportsTouch && window.Touch && pointer instanceof window.Touch));\r\n  }\r\n\r\n    // Get specified X/Y coords for mouse or event.touches[0]\r\n  function getXY(type, pointer, xy){\r\n    xy = xy || {};\r\n    type = type || 'page';\r\n\r\n    xy.x = pointer[type + 'X'];\r\n    xy.y = pointer[type + 'Y'];\r\n\r\n    return xy;\r\n  }\r\n\r\n  function getPageXY(pointer, page){\r\n    page = page || {};\r\n\r\n        // Opera Mobile handles the viewport and scrolling oddly\r\n    if (isOperaMobile && isNativePointer(pointer)){\r\n      getXY('screen', pointer, page);\r\n\r\n      page.x += window.scrollX;\r\n      page.y += window.scrollY;\r\n    }\r\n    else {\r\n      getXY('page', pointer, page);\r\n    }\r\n\r\n    return page;\r\n  }\r\n\r\n  function getClientXY(pointer, client){\r\n    client = client || {};\r\n\r\n    if (isOperaMobile && isNativePointer(pointer)){\r\n            // Opera Mobile handles the viewport and scrolling oddly\r\n      getXY('screen', pointer, client);\r\n    }\r\n    else {\r\n      getXY('client', pointer, client);\r\n    }\r\n\r\n    return client;\r\n  }\r\n\r\n  function getScrollXY(win){\r\n    win = win || window;\r\n    return {\r\n      x: win.scrollX || win.document.documentElement.scrollLeft,\r\n      y: win.scrollY || win.document.documentElement.scrollTop\r\n    };\r\n  }\r\n\r\n  function getPointerId(pointer){\r\n    return isNumber(pointer.pointerId) ? pointer.pointerId : pointer.identifier;\r\n  }\r\n\r\n  function getActualElement(element){\r\n    return (element instanceof SVGElementInstance\r\n            ? element.correspondingUseElement\r\n            : element);\r\n  }\r\n\r\n  function getWindow(node){\r\n    if (isWindow(node)){\r\n      return node;\r\n    }\r\n\r\n    var rootNode = (node.ownerDocument || node);\r\n\r\n    return rootNode.defaultView || rootNode.parentWindow || window;\r\n  }\r\n\r\n  function getElementClientRect(element){\r\n    var clientRect = (element instanceof SVGElement\r\n                            ? element.getBoundingClientRect()\r\n                            : element.getClientRects()[0]);\r\n\r\n    return clientRect && {\r\n      left: clientRect.left,\r\n      right: clientRect.right,\r\n      top: clientRect.top,\r\n      bottom: clientRect.bottom,\r\n      width: clientRect.width || clientRect.right - clientRect.left,\r\n      height: clientRect.height || clientRect.bottom - clientRect.top\r\n    };\r\n  }\r\n\r\n  function getElementRect(element){\r\n    var clientRect = getElementClientRect(element);\r\n\r\n    if (!isIOS7 && clientRect){\r\n      var scroll = getScrollXY(getWindow(element));\r\n\r\n      clientRect.left += scroll.x;\r\n      clientRect.right += scroll.x;\r\n      clientRect.top += scroll.y;\r\n      clientRect.bottom += scroll.y;\r\n    }\r\n\r\n    return clientRect;\r\n  }\r\n\r\n  function getTouchPair(event){\r\n    var touches = [];\r\n\r\n        // array of touches is supplied\r\n    if (isArray(event)){\r\n      touches[0] = event[0];\r\n      touches[1] = event[1];\r\n    }\r\n        // an event\r\n    else {\r\n      if (event.type === 'touchend'){\r\n        if (event.touches.length === 1){\r\n          touches[0] = event.touches[0];\r\n          touches[1] = event.changedTouches[0];\r\n        }\r\n        else if (event.touches.length === 0){\r\n          touches[0] = event.changedTouches[0];\r\n          touches[1] = event.changedTouches[1];\r\n        }\r\n      }\r\n      else {\r\n        touches[0] = event.touches[0];\r\n        touches[1] = event.touches[1];\r\n      }\r\n    }\r\n\r\n    return touches;\r\n  }\r\n\r\n  function pointerAverage(pointers){\r\n    var average = {\r\n      pageX: 0,\r\n      pageY: 0,\r\n      clientX: 0,\r\n      clientY: 0,\r\n      screenX: 0,\r\n      screenY: 0\r\n    };\r\n    var prop;\r\n\r\n    for (var i = 0; i < pointers.length; i++){\r\n      for (prop in average){\r\n        average[prop] += pointers[i][prop];\r\n      }\r\n    }\r\n    for (prop in average){\r\n      average[prop] /= pointers.length;\r\n    }\r\n\r\n    return average;\r\n  }\r\n\r\n  function touchBBox(event){\r\n    if (!event.length && !(event.touches && event.touches.length > 1)){\r\n      return;\r\n    }\r\n\r\n    var touches = getTouchPair(event),\r\n      minX = Math.min(touches[0].pageX, touches[1].pageX),\r\n      minY = Math.min(touches[0].pageY, touches[1].pageY),\r\n      maxX = Math.max(touches[0].pageX, touches[1].pageX),\r\n      maxY = Math.max(touches[0].pageY, touches[1].pageY);\r\n\r\n    return {\r\n      x: minX,\r\n      y: minY,\r\n      left: minX,\r\n      top: minY,\r\n      width: maxX - minX,\r\n      height: maxY - minY\r\n    };\r\n  }\r\n\r\n  function touchDistance(event, deltaSource){\r\n    deltaSource = deltaSource || defaultOptions.deltaSource;\r\n\r\n    var sourceX = deltaSource + 'X',\r\n      sourceY = deltaSource + 'Y',\r\n      touches = getTouchPair(event);\r\n\r\n    var dx = touches[0][sourceX] - touches[1][sourceX],\r\n      dy = touches[0][sourceY] - touches[1][sourceY];\r\n\r\n    return hypot(dx, dy);\r\n  }\r\n\r\n  function touchAngle(event, prevAngle, deltaSource){\r\n    deltaSource = deltaSource || defaultOptions.deltaSource;\r\n\r\n    var sourceX = deltaSource + 'X',\r\n      sourceY = deltaSource + 'Y',\r\n      touches = getTouchPair(event),\r\n      dx = touches[0][sourceX] - touches[1][sourceX],\r\n      dy = touches[0][sourceY] - touches[1][sourceY],\r\n      angle = 180 * Math.atan(dy / dx) / Math.PI;\r\n\r\n    if (isNumber(prevAngle)){\r\n      var dr = angle - prevAngle,\r\n        drClamped = dr % 360;\r\n\r\n      if (drClamped > 315){\r\n        angle -= 360 + (angle / 360) | 0 * 360;\r\n      }\r\n      else if (drClamped > 135){\r\n        angle -= 180 + (angle / 360) | 0 * 360;\r\n      }\r\n            else if (drClamped < -315){\r\n              angle += 360 + (angle / 360) | 0 * 360;\r\n            }\r\n            else if (drClamped < -135){\r\n              angle += 180 + (angle / 360) | 0 * 360;\r\n            }\r\n    }\r\n\r\n    return angle;\r\n  }\r\n\r\n  function getOriginXY(interactable, element){\r\n    var origin = interactable\r\n                ? interactable.options.origin\r\n                : defaultOptions.origin;\r\n\r\n    if (origin === 'parent'){\r\n      origin = parentElement(element);\r\n    }\r\n    else if (origin === 'self'){\r\n      origin = interactable.getRect(element);\r\n    }\r\n        else if (trySelector(origin)){\r\n          origin = closest(element, origin) || { x: 0, y: 0 };\r\n        }\r\n\r\n    if (isFunction(origin)){\r\n      origin = origin(interactable && element);\r\n    }\r\n\r\n    if (isElement(origin)){\r\n      origin = getElementRect(origin);\r\n    }\r\n\r\n    origin.x = ('x' in origin) ? origin.x : origin.left;\r\n    origin.y = ('y' in origin) ? origin.y : origin.top;\r\n\r\n    return origin;\r\n  }\r\n\r\n    // http://stackoverflow.com/a/5634528/2280888\r\n  function _getQBezierValue(t, p1, p2, p3){\r\n    var iT = 1 - t;\r\n    return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\r\n  }\r\n\r\n  function getQuadraticCurvePoint(startX, startY, cpX, cpY, endX, endY, position){\r\n    return {\r\n      x: _getQBezierValue(position, startX, cpX, endX),\r\n      y: _getQBezierValue(position, startY, cpY, endY)\r\n    };\r\n  }\r\n\r\n    // http://gizma.com/easing/\r\n  function easeOutQuad(t, b, c, d){\r\n    t /= d;\r\n    return -c * t * (t - 2) + b;\r\n  }\r\n\r\n  function nodeContains(parent, child){\r\n    while (child){\r\n      if (child === parent){\r\n        return true;\r\n      }\r\n\r\n      child = child.parentNode;\r\n    }\r\n\r\n    return false;\r\n  }\r\n\r\n  function closest(child, selector){\r\n    var parent = parentElement(child);\r\n\r\n    while (isElement(parent)){\r\n      if (matchesSelector(parent, selector)){ return parent; }\r\n\r\n      parent = parentElement(parent);\r\n    }\r\n\r\n    return null;\r\n  }\r\n\r\n  function parentElement(node){\r\n    var parent = node.parentNode;\r\n\r\n    if (isDocFrag(parent)){\r\n            // skip past #shado-root fragments\r\n      while ((parent = parent.host) && isDocFrag(parent)){}\r\n\r\n      return parent;\r\n    }\r\n\r\n    return parent;\r\n  }\r\n\r\n  function inContext(interactable, element){\r\n    return interactable._context === element.ownerDocument\r\n                || nodeContains(interactable._context, element);\r\n  }\r\n\r\n  function testIgnore(interactable, interactableElement, element){\r\n    var ignoreFrom = interactable.options.ignoreFrom;\r\n\r\n    if (!ignoreFrom || !isElement(element)){ return false; }\r\n\r\n    if (isString(ignoreFrom)){\r\n      return matchesUpTo(element, ignoreFrom, interactableElement);\r\n    }\r\n    else if (isElement(ignoreFrom)){\r\n      return nodeContains(ignoreFrom, element);\r\n    }\r\n\r\n    return false;\r\n  }\r\n\r\n  function testAllow(interactable, interactableElement, element){\r\n    var allowFrom = interactable.options.allowFrom;\r\n\r\n    if (!allowFrom){ return true; }\r\n\r\n    if (!isElement(element)){ return false; }\r\n\r\n    if (isString(allowFrom)){\r\n      return matchesUpTo(element, allowFrom, interactableElement);\r\n    }\r\n    else if (isElement(allowFrom)){\r\n      return nodeContains(allowFrom, element);\r\n    }\r\n\r\n    return false;\r\n  }\r\n\r\n  function checkAxis(axis, interactable){\r\n    if (!interactable){ return false; }\r\n\r\n    var thisAxis = interactable.options.drag.axis;\r\n\r\n    return (axis === 'xy' || thisAxis === 'xy' || thisAxis === axis);\r\n  }\r\n\r\n  function checkSnap(interactable, action){\r\n    var options = interactable.options;\r\n\r\n    if (/^resize/.test(action)){\r\n      action = 'resize';\r\n    }\r\n\r\n    return options[action].snap && options[action].snap.enabled;\r\n  }\r\n\r\n  function checkRestrict(interactable, action){\r\n    var options = interactable.options;\r\n\r\n    if (/^resize/.test(action)){\r\n      action = 'resize';\r\n    }\r\n\r\n    return options[action].restrict && options[action].restrict.enabled;\r\n  }\r\n\r\n  function checkAutoScroll(interactable, action){\r\n    var options = interactable.options;\r\n\r\n    if (/^resize/.test(action)){\r\n      action = 'resize';\r\n    }\r\n\r\n    return options[action].autoScroll && options[action].autoScroll.enabled;\r\n  }\r\n\r\n  function withinInteractionLimit(interactable, element, action){\r\n    var options = interactable.options,\r\n      maxActions = options[action.name].max,\r\n      maxPerElement = options[action.name].maxPerElement,\r\n      activeInteractions = 0,\r\n      targetCount = 0,\r\n      targetElementCount = 0;\r\n\r\n    for (var i = 0, len = interactions.length; i < len; i++){\r\n      var interaction = interactions[i],\r\n        otherAction = interaction.prepared.name,\r\n        active = interaction.interacting();\r\n\r\n      if (!active){ continue; }\r\n\r\n      activeInteractions++;\r\n\r\n      if (activeInteractions >= maxInteractions){\r\n        return false;\r\n      }\r\n\r\n      if (interaction.target !== interactable){ continue; }\r\n\r\n      targetCount += (otherAction === action.name) | 0;\r\n\r\n      if (targetCount >= maxActions){\r\n        return false;\r\n      }\r\n\r\n      if (interaction.element === element){\r\n        targetElementCount++;\r\n\r\n        if (otherAction !== action.name || targetElementCount >= maxPerElement){\r\n          return false;\r\n        }\r\n      }\r\n    }\r\n\r\n    return maxInteractions > 0;\r\n  }\r\n\r\n    // Test for the element that's \"above\" all other qualifiers\r\n  function indexOfDeepestElement(elements){\r\n    var dropzone,\r\n      deepestZone = elements[0],\r\n      index = deepestZone ? 0 : -1,\r\n      parent,\r\n      deepestZoneParents = [],\r\n      dropzoneParents = [],\r\n      child,\r\n      i,\r\n      n;\r\n\r\n    for (i = 1; i < elements.length; i++){\r\n      dropzone = elements[i];\r\n\r\n            // an element might belong to multiple selector dropzones\r\n      if (!dropzone || dropzone === deepestZone){\r\n        continue;\r\n      }\r\n\r\n      if (!deepestZone){\r\n        deepestZone = dropzone;\r\n        index = i;\r\n        continue;\r\n      }\r\n\r\n            // check if the deepest or current are document.documentElement or document.rootElement\r\n            // - if the current dropzone is, do nothing and continue\r\n      if (dropzone.parentNode === dropzone.ownerDocument){\r\n        continue;\r\n      }\r\n            // - if deepest is, update with the current dropzone and continue to next\r\n      else if (deepestZone.parentNode === dropzone.ownerDocument){\r\n        deepestZone = dropzone;\r\n        index = i;\r\n        continue;\r\n      }\r\n\r\n      if (!deepestZoneParents.length){\r\n        parent = deepestZone;\r\n        while (parent.parentNode && parent.parentNode !== parent.ownerDocument){\r\n          deepestZoneParents.unshift(parent);\r\n          parent = parent.parentNode;\r\n        }\r\n      }\r\n\r\n            // if this element is an svg element and the current deepest is\r\n            // an HTMLElement\r\n      if (deepestZone instanceof HTMLElement\r\n                && dropzone instanceof SVGElement\r\n                && !(dropzone instanceof SVGSVGElement)){\r\n        if (dropzone === deepestZone.parentNode){\r\n          continue;\r\n        }\r\n\r\n        parent = dropzone.ownerSVGElement;\r\n      }\r\n      else {\r\n        parent = dropzone;\r\n      }\r\n\r\n      dropzoneParents = [];\r\n\r\n      while (parent.parentNode !== parent.ownerDocument){\r\n        dropzoneParents.unshift(parent);\r\n        parent = parent.parentNode;\r\n      }\r\n\r\n      n = 0;\r\n\r\n            // get (position of last common ancestor) + 1\r\n      while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]){\r\n        n++;\r\n      }\r\n\r\n      var parents = [\r\n        dropzoneParents[n - 1],\r\n        dropzoneParents[n],\r\n        deepestZoneParents[n]\r\n      ];\r\n\r\n      child = parents[0].lastChild;\r\n\r\n      while (child){\r\n        if (child === parents[1]){\r\n          deepestZone = dropzone;\r\n          index = i;\r\n          deepestZoneParents = [];\r\n\r\n          break;\r\n        }\r\n        else if (child === parents[2]){\r\n          break;\r\n        }\r\n\r\n        child = child.previousSibling;\r\n      }\r\n    }\r\n\r\n    return index;\r\n  }\r\n\r\n  function Interaction(){\r\n    this.target = null; // current interactable being interacted with\r\n    this.element = null; // the target element of the interactable\r\n    this.dropTarget = null; // the dropzone a drag target might be dropped into\r\n    this.dropElement = null; // the element at the time of checking\r\n    this.prevDropTarget = null; // the dropzone that was recently dragged away from\r\n    this.prevDropElement = null; // the element at the time of checking\r\n\r\n    this.prepared = {     // action that's ready to be fired on next move event\r\n      name: null,\r\n      axis: null,\r\n      edges: null\r\n    };\r\n\r\n    this.matches = [];   // all selectors that are matched by target element\r\n    this.matchElements = [];   // corresponding elements\r\n\r\n    this.inertiaStatus = {\r\n      active: false,\r\n      smoothEnd: false,\r\n      ending: false,\r\n\r\n      startEvent: null,\r\n      upCoords: {},\r\n\r\n      xe: 0, ye: 0,\r\n      sx: 0, sy: 0,\r\n\r\n      t0: 0,\r\n      vx0: 0, vys: 0,\r\n      duration: 0,\r\n\r\n      resumeDx: 0,\r\n      resumeDy: 0,\r\n\r\n      lambda_v0: 0,\r\n      one_ve_v0: 0,\r\n      i: null\r\n    };\r\n\r\n    if (isFunction(Function.prototype.bind)){\r\n      this.boundInertiaFrame = this.inertiaFrame.bind(this);\r\n      this.boundSmoothEndFrame = this.smoothEndFrame.bind(this);\r\n    }\r\n    else {\r\n      var that = this;\r\n\r\n      this.boundInertiaFrame = function(){ return that.inertiaFrame(); };\r\n      this.boundSmoothEndFrame = function(){ return that.smoothEndFrame(); };\r\n    }\r\n\r\n    this.activeDrops = {\r\n      dropzones: [],      // the dropzones that are mentioned below\r\n      elements: [],      // elements of dropzones that accept the target draggable\r\n      rects: []       // the rects of the elements mentioned above\r\n    };\r\n\r\n        // keep track of added pointers\r\n    this.pointers = [];\r\n    this.pointerIds = [];\r\n    this.downTargets = [];\r\n    this.downTimes = [];\r\n    this.holdTimers = [];\r\n\r\n        // Previous native pointer move event coordinates\r\n    this.prevCoords = {\r\n      page: { x: 0, y: 0 },\r\n      client: { x: 0, y: 0 },\r\n      timeStamp: 0\r\n    };\r\n        // current native pointer move event coordinates\r\n    this.curCoords = {\r\n      page: { x: 0, y: 0 },\r\n      client: { x: 0, y: 0 },\r\n      timeStamp: 0\r\n    };\r\n\r\n        // Starting InteractEvent pointer coordinates\r\n    this.startCoords = {\r\n      page: { x: 0, y: 0 },\r\n      client: { x: 0, y: 0 },\r\n      timeStamp: 0\r\n    };\r\n\r\n        // Change in coordinates and time of the pointer\r\n    this.pointerDelta = {\r\n      page: { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\r\n      client: { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\r\n      timeStamp: 0\r\n    };\r\n\r\n    this.downEvent = null;    // pointerdown/mousedown/touchstart event\r\n    this.downPointer = {};\r\n\r\n    this._eventTarget = null;\r\n    this._curEventTarget = null;\r\n\r\n    this.prevEvent = null;      // previous action event\r\n    this.tapTime = 0;         // time of the most recent tap event\r\n    this.prevTap = null;\r\n\r\n    this.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\r\n    this.restrictOffset = { left: 0, right: 0, top: 0, bottom: 0 };\r\n    this.snapOffsets = [];\r\n\r\n    this.gesture = {\r\n      start: { x: 0, y: 0 },\r\n\r\n      startDistance: 0,   // distance between two touches of touchStart\r\n      prevDistance: 0,\r\n      distance: 0,\r\n\r\n      scale: 1,           // gesture.distance / gesture.startDistance\r\n\r\n      startAngle: 0,      // angle of line joining two touches\r\n      prevAngle: 0       // angle of the previous gesture event\r\n    };\r\n\r\n    this.snapStatus = {\r\n      x: 0, y: 0,\r\n      dx: 0, dy: 0,\r\n      realX: 0, realY: 0,\r\n      snappedX: 0, snappedY: 0,\r\n      targets: [],\r\n      locked: false,\r\n      changed: false\r\n    };\r\n\r\n    this.restrictStatus = {\r\n      dx: 0, dy: 0,\r\n      restrictedX: 0, restrictedY: 0,\r\n      snap: null,\r\n      restricted: false,\r\n      changed: false\r\n    };\r\n\r\n    this.restrictStatus.snap = this.snapStatus;\r\n\r\n    this.pointerIsDown = false;\r\n    this.pointerWasMoved = false;\r\n    this.gesturing = false;\r\n    this.dragging = false;\r\n    this.resizing = false;\r\n    this.resizeAxes = 'xy';\r\n\r\n    this.mouse = false;\r\n\r\n    interactions.push(this);\r\n  }\r\n\r\n  Interaction.prototype = {\r\n    getPageXY: function(pointer, xy){ return getPageXY(pointer, xy, this); },\r\n    getClientXY: function(pointer, xy){ return getClientXY(pointer, xy, this); },\r\n    setEventXY: function(target, ptr){ return setEventXY(target, ptr, this); },\r\n\r\n    pointerOver: function(pointer, event, eventTarget){\r\n      if (this.prepared.name || !this.mouse){ return; }\r\n\r\n      var curMatches = [],\r\n        curMatchElements = [],\r\n        prevTargetElement = this.element;\r\n\r\n      this.addPointer(pointer);\r\n\r\n      if (this.target\r\n                && (testIgnore(this.target, this.element, eventTarget)\r\n                    || !testAllow(this.target, this.element, eventTarget))){\r\n                // if the eventTarget should be ignored or shouldn't be allowed\r\n                // clear the previous target\r\n        this.target = null;\r\n        this.element = null;\r\n        this.matches = [];\r\n        this.matchElements = [];\r\n      }\r\n\r\n      var elementInteractable = interactables.get(eventTarget),\r\n        elementAction = (elementInteractable\r\n                                 && !testIgnore(elementInteractable, eventTarget, eventTarget)\r\n                                 && testAllow(elementInteractable, eventTarget, eventTarget)\r\n                                 && validateAction(\r\n                                     elementInteractable.getAction(pointer, event, this, eventTarget),\r\n                                     elementInteractable));\r\n\r\n      if (elementAction && !withinInteractionLimit(elementInteractable, eventTarget, elementAction)){\r\n        elementAction = null;\r\n      }\r\n\r\n      function pushCurMatches(interactable, selector){\r\n        if (interactable\r\n                    && inContext(interactable, eventTarget)\r\n                    && !testIgnore(interactable, eventTarget, eventTarget)\r\n                    && testAllow(interactable, eventTarget, eventTarget)\r\n                    && matchesSelector(eventTarget, selector)){\r\n          curMatches.push(interactable);\r\n          curMatchElements.push(eventTarget);\r\n        }\r\n      }\r\n\r\n      if (elementAction){\r\n        this.target = elementInteractable;\r\n        this.element = eventTarget;\r\n        this.matches = [];\r\n        this.matchElements = [];\r\n      }\r\n      else {\r\n        interactables.forEachSelector(pushCurMatches);\r\n\r\n        if (this.validateSelector(pointer, event, curMatches, curMatchElements)){\r\n          this.matches = curMatches;\r\n          this.matchElements = curMatchElements;\r\n\r\n          this.pointerHover(pointer, event, this.matches, this.matchElements);\r\n          events.add(eventTarget, supportsPointerEvent ?\r\n              pEventTypes.move :\r\n              'mousemove',\r\n            listeners.pointerHover);\r\n        }\r\n        else if (this.target){\r\n          if (nodeContains(prevTargetElement, eventTarget)){\r\n            this.pointerHover(pointer, event, this.matches, this.matchElements);\r\n            events.add(this.element, supportsPointerEvent ?\r\n                pEventTypes.move :\r\n                'mousemove',\r\n              listeners.pointerHover);\r\n          }\r\n          else {\r\n            this.target = null;\r\n            this.element = null;\r\n            this.matches = [];\r\n            this.matchElements = [];\r\n          }\r\n        }\r\n      }\r\n    },\r\n\r\n        // Check what action would be performed on pointerMove target if a mouse\r\n        // button were pressed and change the cursor accordingly\r\n    pointerHover: function(pointer, event, eventTarget, curEventTarget, matches, matchElements){\r\n      var target = this.target;\r\n\r\n      if (!this.prepared.name && this.mouse){\r\n        var action;\r\n\r\n                // update pointer coords for defaultActionChecker to use\r\n        this.setEventXY(this.curCoords, [pointer]);\r\n\r\n        if (matches){\r\n          action = this.validateSelector(pointer, event, matches, matchElements);\r\n        }\r\n        else if (target){\r\n          action = validateAction(target.getAction(this.pointers[0], event, this, this.element), this.target);\r\n        }\r\n\r\n        if (target && target.options.styleCursor){\r\n          if (action){\r\n            target._doc.documentElement.style.cursor = getActionCursor(action);\r\n          }\r\n          else {\r\n            target._doc.documentElement.style.cursor = '';\r\n          }\r\n        }\r\n      }\r\n      else if (this.prepared.name){\r\n        this.checkAndPreventDefault(event, target, this.element);\r\n      }\r\n    },\r\n\r\n    pointerOut: function(pointer, event, eventTarget){\r\n      if (this.prepared.name){ return; }\r\n\r\n            // Remove temporary event listeners for selector Interactables\r\n      if (!interactables.get(eventTarget)){\r\n        events.remove(eventTarget,\r\n                                       supportsPointerEvent ? pEventTypes.move : 'mousemove',\r\n                                       listeners.pointerHover);\r\n      }\r\n\r\n      if (this.target && this.target.options.styleCursor && !this.interacting()){\r\n        this.target._doc.documentElement.style.cursor = '';\r\n      }\r\n    },\r\n\r\n    selectorDown: function(pointer, event, eventTarget, curEventTarget){\r\n      var that = this,\r\n                // copy event to be used in timeout for IE8\r\n        eventCopy = events.useAttachEvent ? extend({}, event) : event,\r\n        element = eventTarget,\r\n        pointerIndex = this.addPointer(pointer),\r\n        action;\r\n\r\n      this.holdTimers[pointerIndex] = setTimeout(function(){\r\n        that.pointerHold(events.useAttachEvent ? eventCopy : pointer, eventCopy, eventTarget, curEventTarget);\r\n      }, defaultOptions._holdDuration);\r\n\r\n      this.pointerIsDown = true;\r\n\r\n            // Check if the down event hits the current inertia target\r\n      if (this.inertiaStatus.active && this.target.selector){\r\n                // climb up the DOM tree from the event target\r\n        while (isElement(element)){\r\n                    // if this element is the current inertia target element\r\n          if (element === this.element\r\n                        // and the prospective action is the same as the ongoing one\r\n                        && validateAction(this.target.getAction(pointer, event, this, this.element), this.target).name === this.prepared.name){\r\n                        // stop inertia so that the next move will be a normal one\r\n            cancelFrame(this.inertiaStatus.i);\r\n            this.inertiaStatus.active = false;\r\n\r\n            this.collectEventTargets(pointer, event, eventTarget, 'down');\r\n            return;\r\n          }\r\n          element = parentElement(element);\r\n        }\r\n      }\r\n\r\n            // do nothing if interacting\r\n      if (this.interacting()){\r\n        this.collectEventTargets(pointer, event, eventTarget, 'down');\r\n        return;\r\n      }\r\n\r\n      function pushMatches(interactable, selector, context){\r\n        var elements = ie8MatchesSelector\r\n                    ? context.querySelectorAll(selector)\r\n                    : undefined;\r\n\r\n        if (inContext(interactable, element)\r\n                    && !testIgnore(interactable, element, eventTarget)\r\n                    && testAllow(interactable, element, eventTarget)\r\n                    && matchesSelector(element, selector, elements)){\r\n          that.matches.push(interactable);\r\n          that.matchElements.push(element);\r\n        }\r\n      }\r\n\r\n            // update pointer coords for defaultActionChecker to use\r\n      this.setEventXY(this.curCoords, [pointer]);\r\n      this.downEvent = event;\r\n\r\n      while (isElement(element) && !action){\r\n        this.matches = [];\r\n        this.matchElements = [];\r\n\r\n        interactables.forEachSelector(pushMatches);\r\n\r\n        action = this.validateSelector(pointer, event, this.matches, this.matchElements);\r\n        element = parentElement(element);\r\n      }\r\n\r\n      if (action){\r\n        this.prepared.name = action.name;\r\n        this.prepared.axis = action.axis;\r\n        this.prepared.edges = action.edges;\r\n\r\n        this.collectEventTargets(pointer, event, eventTarget, 'down');\r\n\r\n        return this.pointerDown(pointer, event, eventTarget, curEventTarget, action);\r\n      }\r\n      else {\r\n                // do these now since pointerDown isn't being called from here\r\n        this.downTimes[pointerIndex] = new Date().getTime();\r\n        this.downTargets[pointerIndex] = eventTarget;\r\n        pointerExtend(this.downPointer, pointer);\r\n\r\n        copyCoords(this.prevCoords, this.curCoords);\r\n        this.pointerWasMoved = false;\r\n      }\r\n\r\n      this.collectEventTargets(pointer, event, eventTarget, 'down');\r\n    },\r\n\r\n        // Determine action to be performed on next pointerMove and add appropriate\r\n        // style and event Listeners\r\n    pointerDown: function(pointer, event, eventTarget, curEventTarget, forceAction){\r\n      if (!forceAction && !this.inertiaStatus.active && this.pointerWasMoved && this.prepared.name){\r\n        this.checkAndPreventDefault(event, this.target, this.element);\r\n\r\n        return;\r\n      }\r\n\r\n      this.pointerIsDown = true;\r\n      this.downEvent = event;\r\n\r\n      var pointerIndex = this.addPointer(pointer),\r\n        action;\r\n\r\n            // If it is the second touch of a multi-touch gesture, keep the\r\n            // target the same and get a new action if a target was set by the\r\n            // first touch\r\n      if (this.pointerIds.length > 1 && this.target._element === this.element){\r\n        var newAction = validateAction(forceAction || this.target.getAction(pointer, event, this, this.element), this.target);\r\n\r\n        if (withinInteractionLimit(this.target, this.element, newAction)){\r\n          action = newAction;\r\n        }\r\n\r\n        this.prepared.name = null;\r\n      }\r\n            // Otherwise, set the target if there is no action prepared\r\n      else if (!this.prepared.name){\r\n        var interactable = interactables.get(curEventTarget);\r\n\r\n        if (interactable\r\n                    && !testIgnore(interactable, curEventTarget, eventTarget)\r\n                    && testAllow(interactable, curEventTarget, eventTarget)\r\n                    && (action = validateAction(forceAction || interactable.getAction(pointer, event, this, curEventTarget), interactable, eventTarget))\r\n                    && withinInteractionLimit(interactable, curEventTarget, action)){\r\n          this.target = interactable;\r\n          this.element = curEventTarget;\r\n        }\r\n      }\r\n\r\n      var target = this.target,\r\n        options = target && target.options;\r\n\r\n      if (target && (forceAction || !this.prepared.name)){\r\n        action = action || validateAction(forceAction || target.getAction(pointer, event, this, curEventTarget), target, this.element);\r\n\r\n        this.setEventXY(this.startCoords, this.pointers);\r\n\r\n        if (!action){ return; }\r\n\r\n        if (options.styleCursor){\r\n          target._doc.documentElement.style.cursor = getActionCursor(action);\r\n        }\r\n\r\n        this.resizeAxes = action.name === 'resize' ? action.axis : null;\r\n\r\n        if (action === 'gesture' && this.pointerIds.length < 2){\r\n          action = null;\r\n        }\r\n\r\n        this.prepared.name = action.name;\r\n        this.prepared.axis = action.axis;\r\n        this.prepared.edges = action.edges;\r\n\r\n        this.snapStatus.snappedX = this.snapStatus.snappedY =\r\n                    this.restrictStatus.restrictedX = this.restrictStatus.restrictedY = NaN;\r\n\r\n        this.downTimes[pointerIndex] = new Date().getTime();\r\n        this.downTargets[pointerIndex] = eventTarget;\r\n        pointerExtend(this.downPointer, pointer);\r\n\r\n        copyCoords(this.prevCoords, this.startCoords);\r\n        this.pointerWasMoved = false;\r\n\r\n        this.checkAndPreventDefault(event, target, this.element);\r\n      }\r\n            // if inertia is active try to resume action\r\n      else if (this.inertiaStatus.active\r\n                && curEventTarget === this.element\r\n                && validateAction(target.getAction(pointer, event, this, this.element), target).name === this.prepared.name){\r\n        cancelFrame(this.inertiaStatus.i);\r\n        this.inertiaStatus.active = false;\r\n\r\n        this.checkAndPreventDefault(event, target, this.element);\r\n      }\r\n    },\r\n\r\n    setModifications: function(coords, preEnd){\r\n      var target = this.target,\r\n        shouldMove = true,\r\n        shouldSnap = checkSnap(target, this.prepared.name) && (!target.options[this.prepared.name].snap.endOnly || preEnd),\r\n        shouldRestrict = checkRestrict(target, this.prepared.name) && (!target.options[this.prepared.name].restrict.endOnly || preEnd);\r\n\r\n      if (shouldSnap){ this.setSnapping(coords); } else { this.snapStatus.locked = false; }\r\n      if (shouldRestrict){ this.setRestriction(coords); } else { this.restrictStatus.restricted = false; }\r\n\r\n      if (shouldSnap && this.snapStatus.locked && !this.snapStatus.changed){\r\n        shouldMove = shouldRestrict && this.restrictStatus.restricted && this.restrictStatus.changed;\r\n      }\r\n      else if (shouldRestrict && this.restrictStatus.restricted && !this.restrictStatus.changed){\r\n        shouldMove = false;\r\n      }\r\n\r\n      return shouldMove;\r\n    },\r\n\r\n    setStartOffsets: function(action, interactable, element){\r\n      var rect = interactable.getRect(element),\r\n        origin = getOriginXY(interactable, element),\r\n        snap = interactable.options[this.prepared.name].snap,\r\n        restrict = interactable.options[this.prepared.name].restrict,\r\n        width, height;\r\n\r\n      if (rect){\r\n        this.startOffset.left = this.startCoords.page.x - rect.left;\r\n        this.startOffset.top = this.startCoords.page.y - rect.top;\r\n\r\n        this.startOffset.right = rect.right - this.startCoords.page.x;\r\n        this.startOffset.bottom = rect.bottom - this.startCoords.page.y;\r\n\r\n        if ('width' in rect){ width = rect.width; }\r\n        else { width = rect.right - rect.left; }\r\n        if ('height' in rect){ height = rect.height; }\r\n        else { height = rect.bottom - rect.top; }\r\n      }\r\n      else {\r\n        this.startOffset.left = this.startOffset.top = this.startOffset.right = this.startOffset.bottom = 0;\r\n      }\r\n\r\n      this.snapOffsets.splice(0);\r\n\r\n      var snapOffset = snap && snap.offset === 'startCoords'\r\n                                ? {\r\n                                  x: this.startCoords.page.x - origin.x,\r\n                                  y: this.startCoords.page.y - origin.y\r\n                                }\r\n                                : snap && snap.offset || { x: 0, y: 0 };\r\n\r\n      if (rect && snap && snap.relativePoints && snap.relativePoints.length){\r\n        for (var i = 0; i < snap.relativePoints.length; i++){\r\n          this.snapOffsets.push({\r\n            x: this.startOffset.left - (width * snap.relativePoints[i].x) + snapOffset.x,\r\n            y: this.startOffset.top - (height * snap.relativePoints[i].y) + snapOffset.y\r\n          });\r\n        }\r\n      }\r\n      else {\r\n        this.snapOffsets.push(snapOffset);\r\n      }\r\n\r\n      if (rect && restrict.elementRect){\r\n        this.restrictOffset.left = this.startOffset.left - (width * restrict.elementRect.left);\r\n        this.restrictOffset.top = this.startOffset.top - (height * restrict.elementRect.top);\r\n\r\n        this.restrictOffset.right = this.startOffset.right - (width * (1 - restrict.elementRect.right));\r\n        this.restrictOffset.bottom = this.startOffset.bottom - (height * (1 - restrict.elementRect.bottom));\r\n      }\r\n      else {\r\n        this.restrictOffset.left = this.restrictOffset.top = this.restrictOffset.right = this.restrictOffset.bottom = 0;\r\n      }\r\n    },\r\n\r\n        /* \\\r\n         * Interaction.start\r\n         [ method ]\r\n         *\r\n         * Start an action with the given Interactable and Element as tartgets. The\r\n         * action must be enabled for the target Interactable and an appropriate number\r\n         * of pointers must be held down – 1 for drag/resize, 2 for gesture.\r\n         *\r\n         * Use it with `interactable.<action>able({ manualStart: false })` to always\r\n         * [start actions manually](https://github.com/taye/interact.js/issues/114)\r\n         *\r\n         - action       (object)  The action to be performed - drag, resize, etc.\r\n         - interactable (Interactable) The Interactable to target\r\n         - element      (Element) The DOM Element to target\r\n         = (object) interact\r\n         **\r\n         | interact(target)\r\n         |   .draggable({\r\n         |     // disable the default drag start by down->move\r\n         |     manualStart: true\r\n         |   })\r\n         |   // start dragging after the user holds the pointer down\r\n         |   .on('hold', function (event) {\r\n         |     var interaction = event.interaction;\r\n         |\r\n         |     if (!interaction.interacting()) {\r\n         |       interaction.start({ name: 'drag' },\r\n         |                         event.interactable,\r\n         |                         event.currentTarget);\r\n         |     }\r\n         | });\r\n        \\*/\r\n    start: function(action, interactable, element){\r\n      if (this.interacting()\r\n                || !this.pointerIsDown\r\n                || this.pointerIds.length < (action.name === 'gesture' ? 2 : 1)){\r\n        return;\r\n      }\r\n\r\n            // if this interaction had been removed after stopping\r\n            // add it back\r\n      if (indexOf(interactions, this) === -1){\r\n        interactions.push(this);\r\n      }\r\n\r\n            // set the startCoords if there was no prepared action\r\n      if (!this.prepared.name){\r\n        this.setEventXY(this.startCoords);\r\n      }\r\n\r\n      this.prepared.name = action.name;\r\n      this.prepared.axis = action.axis;\r\n      this.prepared.edges = action.edges;\r\n      this.target = interactable;\r\n      this.element = element;\r\n\r\n      this.setStartOffsets(action.name, interactable, element);\r\n      this.setModifications(this.startCoords.page);\r\n\r\n      this.prevEvent = this[this.prepared.name + 'Start'](this.downEvent);\r\n    },\r\n\r\n    pointerMove: function(pointer, event, eventTarget, curEventTarget, preEnd){\r\n      if (this.inertiaStatus.active){\r\n        var pageUp = this.inertiaStatus.upCoords.page;\r\n        var clientUp = this.inertiaStatus.upCoords.client;\r\n\r\n        var inertiaPosition = {\r\n          pageX: pageUp.x + this.inertiaStatus.sx,\r\n          pageY: pageUp.y + this.inertiaStatus.sy,\r\n          clientX: clientUp.x + this.inertiaStatus.sx,\r\n          clientY: clientUp.y + this.inertiaStatus.sy\r\n        };\r\n\r\n        this.setEventXY(this.curCoords, [inertiaPosition]);\r\n      }\r\n      else {\r\n        this.recordPointer(pointer);\r\n        this.setEventXY(this.curCoords, this.pointers);\r\n      }\r\n\r\n      var duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\r\n                                 && this.curCoords.page.y === this.prevCoords.page.y\r\n                                 && this.curCoords.client.x === this.prevCoords.client.x\r\n                                 && this.curCoords.client.y === this.prevCoords.client.y);\r\n\r\n      var dx, dy,\r\n        pointerIndex = this.mouse ? 0 : indexOf(this.pointerIds, getPointerId(pointer));\r\n\r\n            // register movement greater than pointerMoveTolerance\r\n      if (this.pointerIsDown && !this.pointerWasMoved){\r\n        dx = this.curCoords.client.x - this.startCoords.client.x;\r\n        dy = this.curCoords.client.y - this.startCoords.client.y;\r\n\r\n        this.pointerWasMoved = hypot(dx, dy) > pointerMoveTolerance;\r\n      }\r\n\r\n      if (!duplicateMove && (!this.pointerIsDown || this.pointerWasMoved)){\r\n        if (this.pointerIsDown){\r\n          clearTimeout(this.holdTimers[pointerIndex]);\r\n        }\r\n\r\n        this.collectEventTargets(pointer, event, eventTarget, 'move');\r\n      }\r\n\r\n      if (!this.pointerIsDown){ return; }\r\n\r\n      if (duplicateMove && this.pointerWasMoved && !preEnd){\r\n        this.checkAndPreventDefault(event, this.target, this.element);\r\n        return;\r\n      }\r\n\r\n            // set pointer coordinate, time changes and speeds\r\n      setEventDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\r\n\r\n      if (!this.prepared.name){ return; }\r\n\r\n      if (this.pointerWasMoved\r\n                // ignore movement while inertia is active\r\n                && (!this.inertiaStatus.active || (pointer instanceof InteractEvent && /inertiastart/.test(pointer.type)))){\r\n                // if just starting an action, calculate the pointer speed now\r\n        if (!this.interacting()){\r\n          setEventDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\r\n\r\n                    // check if a drag is in the correct axis\r\n          if (this.prepared.name === 'drag'){\r\n            var absX = Math.abs(dx),\r\n              absY = Math.abs(dy),\r\n              targetAxis = this.target.options.drag.axis,\r\n              axis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\r\n\r\n                        // if the movement isn't in the axis of the interactable\r\n            if (axis !== 'xy' && targetAxis !== 'xy' && targetAxis !== axis){\r\n                            // cancel the prepared action\r\n              this.prepared.name = null;\r\n\r\n                            // then try to get a drag from another ineractable\r\n\r\n              var element = eventTarget;\r\n\r\n                            // check element interactables\r\n              while (isElement(element)){\r\n                var elementInteractable = interactables.get(element);\r\n\r\n                if (elementInteractable\r\n                                    && elementInteractable !== this.target\r\n                                    && !elementInteractable.options.drag.manualStart\r\n                                    && elementInteractable.getAction(this.downPointer, this.downEvent, this, element).name === 'drag'\r\n                                    && checkAxis(axis, elementInteractable)){\r\n                  this.prepared.name = 'drag';\r\n                  this.target = elementInteractable;\r\n                  this.element = element;\r\n                  break;\r\n                }\r\n\r\n                element = parentElement(element);\r\n              }\r\n\r\n                            // if there's no drag from element interactables,\r\n                            // check the selector interactables\r\n              if (!this.prepared.name){\r\n                var thisInteraction = this;\r\n\r\n                var getDraggable = function(interactable, selector, context){\r\n                  var elements = ie8MatchesSelector\r\n                                        ? context.querySelectorAll(selector)\r\n                                        : undefined;\r\n\r\n                  if (interactable === thisInteraction.target){ return; }\r\n\r\n                  if (inContext(interactable, eventTarget)\r\n                                        && !interactable.options.drag.manualStart\r\n                                        && !testIgnore(interactable, element, eventTarget)\r\n                                        && testAllow(interactable, element, eventTarget)\r\n                                        && matchesSelector(element, selector, elements)\r\n                                        && interactable.getAction(thisInteraction.downPointer, thisInteraction.downEvent, thisInteraction, element).name === 'drag'\r\n                                        && checkAxis(axis, interactable)\r\n                                        && withinInteractionLimit(interactable, element, 'drag')){\r\n                    return interactable;\r\n                  }\r\n                };\r\n\r\n                element = eventTarget;\r\n\r\n                while (isElement(element)){\r\n                  var selectorInteractable = interactables.forEachSelector(getDraggable);\r\n\r\n                  if (selectorInteractable){\r\n                    this.prepared.name = 'drag';\r\n                    this.target = selectorInteractable;\r\n                    this.element = element;\r\n                    break;\r\n                  }\r\n\r\n                  element = parentElement(element);\r\n                }\r\n              }\r\n            }\r\n          }\r\n        }\r\n\r\n        var starting = !!this.prepared.name && !this.interacting();\r\n\r\n        if (starting\r\n                    && (this.target.options[this.prepared.name].manualStart\r\n                        || !withinInteractionLimit(this.target, this.element, this.prepared))){\r\n          this.stop(event);\r\n          return;\r\n        }\r\n\r\n        if (this.prepared.name && this.target){\r\n          if (starting){\r\n            this.start(this.prepared, this.target, this.element);\r\n          }\r\n\r\n          var shouldMove = this.setModifications(this.curCoords.page, preEnd);\r\n\r\n                    // move if snapping or restriction doesn't prevent it\r\n          if (shouldMove || starting){\r\n            this.prevEvent = this[this.prepared.name + 'Move'](event);\r\n          }\r\n\r\n          this.checkAndPreventDefault(event, this.target, this.element);\r\n        }\r\n      }\r\n\r\n      copyCoords(this.prevCoords, this.curCoords);\r\n\r\n      if (this.dragging || this.resizing){\r\n        this.autoScrollMove(pointer);\r\n      }\r\n    },\r\n\r\n    dragStart: function(event){\r\n      var dragEvent = new InteractEvent(this, event, 'drag', 'start', this.element);\r\n\r\n      dragEvent.originalEvent = event;\r\n      this.dragging = true;\r\n      this.target.fire(dragEvent);\r\n\r\n            // reset active dropzones\r\n      this.activeDrops.dropzones = [];\r\n      this.activeDrops.elements = [];\r\n      this.activeDrops.rects = [];\r\n\r\n      if (!this.dynamicDrop){\r\n        this.setActiveDrops(this.element);\r\n      }\r\n\r\n      var dropEvents = this.getDropEvents(event, dragEvent);\r\n\r\n      if (dropEvents.activate){\r\n        this.fireActiveDrops(dropEvents.activate);\r\n      }\r\n\r\n      return dragEvent;\r\n    },\r\n\r\n    dragMove: function(event){\r\n      var target = this.target,\r\n        dragEvent = new InteractEvent(this, event, 'drag', 'move', this.element),\r\n        draggableElement = this.element,\r\n        drop = this.getDrop(dragEvent, event, draggableElement);\r\n\r\n      dragEvent.originalEvent = event;\r\n\r\n      this.dropTarget = drop.dropzone;\r\n      this.dropElement = drop.element;\r\n\r\n      var dropEvents = this.getDropEvents(event, dragEvent);\r\n\r\n      target.fire(dragEvent);\r\n\r\n      if (dropEvents.leave){ this.prevDropTarget.fire(dropEvents.leave); }\r\n      if (dropEvents.enter){ this.dropTarget.fire(dropEvents.enter); }\r\n      if (dropEvents.move){ this.dropTarget.fire(dropEvents.move); }\r\n\r\n      this.prevDropTarget = this.dropTarget;\r\n      this.prevDropElement = this.dropElement;\r\n\r\n      return dragEvent;\r\n    },\r\n\r\n    resizeStart: function(event){\r\n      var resizeEvent = new InteractEvent(this, event, 'resize', 'start', this.element);\r\n\r\n      if (this.prepared.edges){\r\n        var startRect = this.target.getRect(this.element);\r\n\r\n                /*\r\n                 * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\r\n                 * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\r\n                 * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\r\n                 * on the active edges and the edge being interacted with.\r\n                 */\r\n        if (this.target.options.resize.square || this.target.options.resize.preserveAspectRatio){\r\n          var linkedEdges = extend({}, this.prepared.edges);\r\n\r\n          linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\r\n          linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right);\r\n          linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top);\r\n          linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left);\r\n\r\n          this.prepared._linkedEdges = linkedEdges;\r\n        }\r\n        else {\r\n          this.prepared._linkedEdges = null;\r\n        }\r\n\r\n                // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\r\n        if (this.target.options.resize.preserveAspectRatio){\r\n          this.resizeStartAspectRatio = startRect.width / startRect.height;\r\n        }\r\n\r\n        this.resizeRects = {\r\n          start: startRect,\r\n          current: extend({}, startRect),\r\n          restricted: extend({}, startRect),\r\n          previous: extend({}, startRect),\r\n          delta: {\r\n            left: 0, right: 0, width: 0,\r\n            top: 0, bottom: 0, height: 0\r\n          }\r\n        };\r\n\r\n        resizeEvent.rect = this.resizeRects.restricted;\r\n        resizeEvent.deltaRect = this.resizeRects.delta;\r\n      }\r\n\r\n      this.target.fire(resizeEvent);\r\n\r\n      this.resizing = true;\r\n\r\n      return resizeEvent;\r\n    },\r\n\r\n    resizeMove: function(event){\r\n      var resizeEvent = new InteractEvent(this, event, 'resize', 'move', this.element);\r\n\r\n      var edges = this.prepared.edges,\r\n        invert = this.target.options.resize.invert,\r\n        invertible = invert === 'reposition' || invert === 'negate';\r\n\r\n      if (edges){\r\n        var dx = resizeEvent.dx,\r\n          dy = resizeEvent.dy,\r\n\r\n          start = this.resizeRects.start,\r\n          current = this.resizeRects.current,\r\n          restricted = this.resizeRects.restricted,\r\n          delta = this.resizeRects.delta,\r\n          previous = extend(this.resizeRects.previous, restricted),\r\n\r\n          originalEdges = edges;\r\n\r\n                // `resize.preserveAspectRatio` takes precedence over `resize.square`\r\n        if (this.target.options.resize.preserveAspectRatio){\r\n          var resizeStartAspectRatio = this.resizeStartAspectRatio;\r\n\r\n          edges = this.prepared._linkedEdges;\r\n\r\n          if ((originalEdges.left && originalEdges.bottom)\r\n                        || (originalEdges.right && originalEdges.top)){\r\n            dy = -dx / resizeStartAspectRatio;\r\n          }\r\n          else if (originalEdges.left || originalEdges.right){ dy = dx / resizeStartAspectRatio; }\r\n                    else if (originalEdges.top || originalEdges.bottom){ dx = dy * resizeStartAspectRatio; }\r\n        }\r\n        else if (this.target.options.resize.square){\r\n          edges = this.prepared._linkedEdges;\r\n\r\n          if ((originalEdges.left && originalEdges.bottom)\r\n                        || (originalEdges.right && originalEdges.top)){\r\n            dy = -dx;\r\n          }\r\n          else if (originalEdges.left || originalEdges.right){ dy = dx; }\r\n                    else if (originalEdges.top || originalEdges.bottom){ dx = dy; }\r\n        }\r\n\r\n                // update the 'current' rect without modifications\r\n        if (edges.top){ current.top += dy; }\r\n        if (edges.bottom){ current.bottom += dy; }\r\n        if (edges.left){ current.left += dx; }\r\n        if (edges.right){ current.right += dx; }\r\n\r\n        if (invertible){\r\n                    // if invertible, copy the current rect\r\n          extend(restricted, current);\r\n\r\n          if (invert === 'reposition'){\r\n                        // swap edge values if necessary to keep width/height positive\r\n            var swap;\r\n\r\n            if (restricted.top > restricted.bottom){\r\n              swap = restricted.top;\r\n\r\n              restricted.top = restricted.bottom;\r\n              restricted.bottom = swap;\r\n            }\r\n            if (restricted.left > restricted.right){\r\n              swap = restricted.left;\r\n\r\n              restricted.left = restricted.right;\r\n              restricted.right = swap;\r\n            }\r\n          }\r\n        }\r\n        else {\r\n                    // if not invertible, restrict to minimum of 0x0 rect\r\n          restricted.top = Math.min(current.top, start.bottom);\r\n          restricted.bottom = Math.max(current.bottom, start.top);\r\n          restricted.left = Math.min(current.left, start.right);\r\n          restricted.right = Math.max(current.right, start.left);\r\n        }\r\n\r\n        restricted.width = restricted.right - restricted.left;\r\n        restricted.height = restricted.bottom - restricted.top;\r\n\r\n        for (var edge in restricted){\r\n          delta[edge] = restricted[edge] - previous[edge];\r\n        }\r\n\r\n        resizeEvent.edges = this.prepared.edges;\r\n        resizeEvent.rect = restricted;\r\n        resizeEvent.deltaRect = delta;\r\n      }\r\n\r\n      this.target.fire(resizeEvent);\r\n\r\n      return resizeEvent;\r\n    },\r\n\r\n    gestureStart: function(event){\r\n      var gestureEvent = new InteractEvent(this, event, 'gesture', 'start', this.element);\r\n\r\n      gestureEvent.ds = 0;\r\n\r\n      this.gesture.startDistance = this.gesture.prevDistance = gestureEvent.distance;\r\n      this.gesture.startAngle = this.gesture.prevAngle = gestureEvent.angle;\r\n      this.gesture.scale = 1;\r\n\r\n      this.gesturing = true;\r\n\r\n      this.target.fire(gestureEvent);\r\n\r\n      return gestureEvent;\r\n    },\r\n\r\n    gestureMove: function(event){\r\n      if (!this.pointerIds.length){\r\n        return this.prevEvent;\r\n      }\r\n\r\n      var gestureEvent;\r\n\r\n      gestureEvent = new InteractEvent(this, event, 'gesture', 'move', this.element);\r\n      gestureEvent.ds = gestureEvent.scale - this.gesture.scale;\r\n\r\n      this.target.fire(gestureEvent);\r\n\r\n      this.gesture.prevAngle = gestureEvent.angle;\r\n      this.gesture.prevDistance = gestureEvent.distance;\r\n\r\n      if (gestureEvent.scale !== Infinity &&\r\n                gestureEvent.scale !== null &&\r\n                gestureEvent.scale !== undefined &&\r\n                !isNaN(gestureEvent.scale)){\r\n        this.gesture.scale = gestureEvent.scale;\r\n      }\r\n\r\n      return gestureEvent;\r\n    },\r\n\r\n    pointerHold: function(pointer, event, eventTarget){\r\n      this.collectEventTargets(pointer, event, eventTarget, 'hold');\r\n    },\r\n\r\n    pointerUp: function(pointer, event, eventTarget, curEventTarget){\r\n      var pointerIndex = this.mouse ? 0 : indexOf(this.pointerIds, getPointerId(pointer));\r\n\r\n      clearTimeout(this.holdTimers[pointerIndex]);\r\n\r\n      this.collectEventTargets(pointer, event, eventTarget, 'up');\r\n      this.collectEventTargets(pointer, event, eventTarget, 'tap');\r\n\r\n      this.pointerEnd(pointer, event, eventTarget, curEventTarget);\r\n\r\n      this.removePointer(pointer);\r\n    },\r\n\r\n    pointerCancel: function(pointer, event, eventTarget, curEventTarget){\r\n      var pointerIndex = this.mouse ? 0 : indexOf(this.pointerIds, getPointerId(pointer));\r\n\r\n      clearTimeout(this.holdTimers[pointerIndex]);\r\n\r\n      this.collectEventTargets(pointer, event, eventTarget, 'cancel');\r\n      this.pointerEnd(pointer, event, eventTarget, curEventTarget);\r\n\r\n      this.removePointer(pointer);\r\n    },\r\n\r\n        // http://www.quirksmode.org/dom/events/click.html\r\n        // >Events leading to dblclick\r\n        //\r\n        // IE8 doesn't fire down event before dblclick.\r\n        // This workaround tries to fire a tap and doubletap after dblclick\r\n    ie8Dblclick: function(pointer, event, eventTarget){\r\n      if (this.prevTap\r\n                && event.clientX === this.prevTap.clientX\r\n                && event.clientY === this.prevTap.clientY\r\n                && eventTarget === this.prevTap.target){\r\n        this.downTargets[0] = eventTarget;\r\n        this.downTimes[0] = new Date().getTime();\r\n        this.collectEventTargets(pointer, event, eventTarget, 'tap');\r\n      }\r\n    },\r\n\r\n        // End interact move events and stop auto-scroll unless inertia is enabled\r\n    pointerEnd: function(pointer, event, eventTarget, curEventTarget){\r\n      var endEvent,\r\n        target = this.target,\r\n        options = target && target.options,\r\n        inertiaOptions = options && this.prepared.name && options[this.prepared.name].inertia,\r\n        inertiaStatus = this.inertiaStatus;\r\n\r\n      if (this.interacting()){\r\n        if (inertiaStatus.active && !inertiaStatus.ending){ return; }\r\n\r\n        var pointerSpeed,\r\n          now = new Date().getTime(),\r\n          inertiaPossible = false,\r\n          inertia = false,\r\n          smoothEnd = false,\r\n          endSnap = checkSnap(target, this.prepared.name) && options[this.prepared.name].snap.endOnly,\r\n          endRestrict = checkRestrict(target, this.prepared.name) && options[this.prepared.name].restrict.endOnly,\r\n          dx = 0,\r\n          dy = 0,\r\n          startEvent;\r\n\r\n        if (this.dragging){\r\n          if (options.drag.axis === 'x'){ pointerSpeed = Math.abs(this.pointerDelta.client.vx); }\r\n          else if (options.drag.axis === 'y'){ pointerSpeed = Math.abs(this.pointerDelta.client.vy); }\r\n                    else   /* options.drag.axis === 'xy'*/{ pointerSpeed = this.pointerDelta.client.speed; }\r\n        }\r\n        else {\r\n          pointerSpeed = this.pointerDelta.client.speed;\r\n        }\r\n\r\n                // check if inertia should be started\r\n        inertiaPossible = (inertiaOptions && inertiaOptions.enabled\r\n                                   && this.prepared.name !== 'gesture'\r\n                                   && event !== inertiaStatus.startEvent);\r\n\r\n        inertia = (inertiaPossible\r\n                           && (now - this.curCoords.timeStamp) < 50\r\n                           && pointerSpeed > inertiaOptions.minSpeed\r\n                           && pointerSpeed > inertiaOptions.endSpeed);\r\n\r\n        if (inertiaPossible && !inertia && (endSnap || endRestrict)){\r\n          var snapRestrict = {};\r\n\r\n          snapRestrict.snap = snapRestrict.restrict = snapRestrict;\r\n\r\n          if (endSnap){\r\n            this.setSnapping(this.curCoords.page, snapRestrict);\r\n            if (snapRestrict.locked){\r\n              dx += snapRestrict.dx;\r\n              dy += snapRestrict.dy;\r\n            }\r\n          }\r\n\r\n          if (endRestrict){\r\n            this.setRestriction(this.curCoords.page, snapRestrict);\r\n            if (snapRestrict.restricted){\r\n              dx += snapRestrict.dx;\r\n              dy += snapRestrict.dy;\r\n            }\r\n          }\r\n\r\n          if (dx || dy){\r\n            smoothEnd = true;\r\n          }\r\n        }\r\n\r\n        if (inertia || smoothEnd){\r\n          copyCoords(inertiaStatus.upCoords, this.curCoords);\r\n\r\n          this.pointers[0] = inertiaStatus.startEvent = startEvent =\r\n                        new InteractEvent(this, event, this.prepared.name, 'inertiastart', this.element);\r\n\r\n          inertiaStatus.t0 = now;\r\n\r\n          target.fire(inertiaStatus.startEvent);\r\n\r\n          if (inertia){\r\n            inertiaStatus.vx0 = this.pointerDelta.client.vx;\r\n            inertiaStatus.vy0 = this.pointerDelta.client.vy;\r\n            inertiaStatus.v0 = pointerSpeed;\r\n\r\n            this.calcInertia(inertiaStatus);\r\n\r\n            var page = extend({}, this.curCoords.page),\r\n              origin = getOriginXY(target, this.element),\r\n              statusObject;\r\n\r\n            page.x = page.x + inertiaStatus.xe - origin.x;\r\n            page.y = page.y + inertiaStatus.ye - origin.y;\r\n\r\n            statusObject = {\r\n              useStatusXY: true,\r\n              x: page.x,\r\n              y: page.y,\r\n              dx: 0,\r\n              dy: 0,\r\n              snap: null\r\n            };\r\n\r\n            statusObject.snap = statusObject;\r\n\r\n            dx = dy = 0;\r\n\r\n            if (endSnap){\r\n              var snap = this.setSnapping(this.curCoords.page, statusObject);\r\n\r\n              if (snap.locked){\r\n                dx += snap.dx;\r\n                dy += snap.dy;\r\n              }\r\n            }\r\n\r\n            if (endRestrict){\r\n              var restrict = this.setRestriction(this.curCoords.page, statusObject);\r\n\r\n              if (restrict.restricted){\r\n                dx += restrict.dx;\r\n                dy += restrict.dy;\r\n              }\r\n            }\r\n\r\n            inertiaStatus.modifiedXe += dx;\r\n            inertiaStatus.modifiedYe += dy;\r\n\r\n            inertiaStatus.i = reqFrame(this.boundInertiaFrame);\r\n          }\r\n          else {\r\n            inertiaStatus.smoothEnd = true;\r\n            inertiaStatus.xe = dx;\r\n            inertiaStatus.ye = dy;\r\n\r\n            inertiaStatus.sx = inertiaStatus.sy = 0;\r\n\r\n            inertiaStatus.i = reqFrame(this.boundSmoothEndFrame);\r\n          }\r\n\r\n          inertiaStatus.active = true;\r\n          return;\r\n        }\r\n\r\n        if (endSnap || endRestrict){\r\n                    // fire a move event at the snapped coordinates\r\n          this.pointerMove(pointer, event, eventTarget, curEventTarget, true);\r\n        }\r\n      }\r\n\r\n      if (this.dragging){\r\n        endEvent = new InteractEvent(this, event, 'drag', 'end', this.element);\r\n\r\n        var draggableElement = this.element,\r\n          drop = this.getDrop(endEvent, event, draggableElement);\r\n\r\n        this.dropTarget = drop.dropzone;\r\n        this.dropElement = drop.element;\r\n\r\n        var dropEvents = this.getDropEvents(event, endEvent);\r\n\r\n        if (dropEvents.leave){ this.prevDropTarget.fire(dropEvents.leave); }\r\n        if (dropEvents.enter){ this.dropTarget.fire(dropEvents.enter); }\r\n        if (dropEvents.drop){ this.dropTarget.fire(dropEvents.drop); }\r\n        if (dropEvents.deactivate){\r\n          this.fireActiveDrops(dropEvents.deactivate);\r\n        }\r\n\r\n        target.fire(endEvent);\r\n      }\r\n      else if (this.resizing){\r\n        endEvent = new InteractEvent(this, event, 'resize', 'end', this.element);\r\n        target.fire(endEvent);\r\n      }\r\n            else if (this.gesturing){\r\n              endEvent = new InteractEvent(this, event, 'gesture', 'end', this.element);\r\n              target.fire(endEvent);\r\n            }\r\n\r\n      this.stop(event);\r\n    },\r\n\r\n    collectDrops: function(element){\r\n      var drops = [],\r\n        elements = [],\r\n        i;\r\n\r\n      element = element || this.element;\r\n\r\n            // collect all dropzones and their elements which qualify for a drop\r\n      for (i = 0; i < interactables.length; i++){\r\n        if (!interactables[i].options.drop.enabled){ continue; }\r\n\r\n        var current = interactables[i],\r\n          accept = current.options.drop.accept;\r\n\r\n                // test the draggable element against the dropzone's accept setting\r\n        if ((isElement(accept) && accept !== element)\r\n                    || (isString(accept)\r\n                        && !matchesSelector(element, accept))){\r\n          continue;\r\n        }\r\n\r\n                // query for new elements if necessary\r\n        var dropElements = current.selector ? current._context.querySelectorAll(current.selector) : [current._element];\r\n\r\n        for (var j = 0, len = dropElements.length; j < len; j++){\r\n          var currentElement = dropElements[j];\r\n\r\n          if (currentElement === element){\r\n            continue;\r\n          }\r\n\r\n          drops.push(current);\r\n          elements.push(currentElement);\r\n        }\r\n      }\r\n\r\n      return {\r\n        dropzones: drops,\r\n        elements: elements\r\n      };\r\n    },\r\n\r\n    fireActiveDrops: function(event){\r\n      var i,\r\n        current,\r\n        currentElement,\r\n        prevElement;\r\n\r\n            // loop through all active dropzones and trigger event\r\n      for (i = 0; i < this.activeDrops.dropzones.length; i++){\r\n        current = this.activeDrops.dropzones[i];\r\n        currentElement = this.activeDrops.elements[i];\r\n\r\n                // prevent trigger of duplicate events on same element\r\n        if (currentElement !== prevElement){\r\n                    // set current element as event target\r\n          event.target = currentElement;\r\n          current.fire(event);\r\n        }\r\n        prevElement = currentElement;\r\n      }\r\n    },\r\n\r\n        // Collect a new set of possible drops and save them in activeDrops.\r\n        // setActiveDrops should always be called when a drag has just started or a\r\n        // drag event happens while dynamicDrop is true\r\n    setActiveDrops: function(dragElement){\r\n            // get dropzones and their elements that could receive the draggable\r\n      var possibleDrops = this.collectDrops(dragElement, true);\r\n\r\n      this.activeDrops.dropzones = possibleDrops.dropzones;\r\n      this.activeDrops.elements = possibleDrops.elements;\r\n      this.activeDrops.rects = [];\r\n\r\n      for (var i = 0; i < this.activeDrops.dropzones.length; i++){\r\n        this.activeDrops.rects[i] = this.activeDrops.dropzones[i].getRect(this.activeDrops.elements[i]);\r\n      }\r\n    },\r\n\r\n    getDrop: function(dragEvent, event, dragElement){\r\n      var validDrops = [];\r\n\r\n      if (dynamicDrop){\r\n        this.setActiveDrops(dragElement);\r\n      }\r\n\r\n            // collect all dropzones and their elements which qualify for a drop\r\n      for (var j = 0; j < this.activeDrops.dropzones.length; j++){\r\n        var current = this.activeDrops.dropzones[j],\r\n          currentElement = this.activeDrops.elements[j],\r\n          rect = this.activeDrops.rects[j];\r\n\r\n        validDrops.push(current.dropCheck(dragEvent, event, this.target, dragElement, currentElement, rect)\r\n                                ? currentElement\r\n                                : null);\r\n      }\r\n\r\n            // get the most appropriate dropzone based on DOM depth and order\r\n      var dropIndex = indexOfDeepestElement(validDrops),\r\n        dropzone = this.activeDrops.dropzones[dropIndex] || null,\r\n        element = this.activeDrops.elements[dropIndex] || null;\r\n\r\n      return {\r\n        dropzone: dropzone,\r\n        element: element\r\n      };\r\n    },\r\n\r\n    getDropEvents: function(pointerEvent, dragEvent){\r\n      var dropEvents = {\r\n        enter: null,\r\n        leave: null,\r\n        activate: null,\r\n        deactivate: null,\r\n        move: null,\r\n        drop: null\r\n      };\r\n\r\n      if (this.dropElement !== this.prevDropElement){\r\n                // if there was a prevDropTarget, create a dragleave event\r\n        if (this.prevDropTarget){\r\n          dropEvents.leave = {\r\n            target: this.prevDropElement,\r\n            dropzone: this.prevDropTarget,\r\n            relatedTarget: dragEvent.target,\r\n            draggable: dragEvent.interactable,\r\n            dragEvent: dragEvent,\r\n            interaction: this,\r\n            timeStamp: dragEvent.timeStamp,\r\n            type: 'dragleave'\r\n          };\r\n\r\n          dragEvent.dragLeave = this.prevDropElement;\r\n          dragEvent.prevDropzone = this.prevDropTarget;\r\n        }\r\n                // if the dropTarget is not null, create a dragenter event\r\n        if (this.dropTarget){\r\n          dropEvents.enter = {\r\n            target: this.dropElement,\r\n            dropzone: this.dropTarget,\r\n            relatedTarget: dragEvent.target,\r\n            draggable: dragEvent.interactable,\r\n            dragEvent: dragEvent,\r\n            interaction: this,\r\n            timeStamp: dragEvent.timeStamp,\r\n            type: 'dragenter'\r\n          };\r\n\r\n          dragEvent.dragEnter = this.dropElement;\r\n          dragEvent.dropzone = this.dropTarget;\r\n        }\r\n      }\r\n\r\n      if (dragEvent.type === 'dragend' && this.dropTarget){\r\n        dropEvents.drop = {\r\n          target: this.dropElement,\r\n          dropzone: this.dropTarget,\r\n          relatedTarget: dragEvent.target,\r\n          draggable: dragEvent.interactable,\r\n          dragEvent: dragEvent,\r\n          interaction: this,\r\n          timeStamp: dragEvent.timeStamp,\r\n          type: 'drop'\r\n        };\r\n\r\n        dragEvent.dropzone = this.dropTarget;\r\n      }\r\n      if (dragEvent.type === 'dragstart'){\r\n        dropEvents.activate = {\r\n          target: null,\r\n          dropzone: null,\r\n          relatedTarget: dragEvent.target,\r\n          draggable: dragEvent.interactable,\r\n          dragEvent: dragEvent,\r\n          interaction: this,\r\n          timeStamp: dragEvent.timeStamp,\r\n          type: 'dropactivate'\r\n        };\r\n      }\r\n      if (dragEvent.type === 'dragend'){\r\n        dropEvents.deactivate = {\r\n          target: null,\r\n          dropzone: null,\r\n          relatedTarget: dragEvent.target,\r\n          draggable: dragEvent.interactable,\r\n          dragEvent: dragEvent,\r\n          interaction: this,\r\n          timeStamp: dragEvent.timeStamp,\r\n          type: 'dropdeactivate'\r\n        };\r\n      }\r\n      if (dragEvent.type === 'dragmove' && this.dropTarget){\r\n        dropEvents.move = {\r\n          target: this.dropElement,\r\n          dropzone: this.dropTarget,\r\n          relatedTarget: dragEvent.target,\r\n          draggable: dragEvent.interactable,\r\n          dragEvent: dragEvent,\r\n          interaction: this,\r\n          dragmove: dragEvent,\r\n          timeStamp: dragEvent.timeStamp,\r\n          type: 'dropmove'\r\n        };\r\n        dragEvent.dropzone = this.dropTarget;\r\n      }\r\n\r\n      return dropEvents;\r\n    },\r\n\r\n    currentAction: function(){\r\n      return (this.dragging && 'drag') || (this.resizing && 'resize') || (this.gesturing && 'gesture') || null;\r\n    },\r\n\r\n    interacting: function(){\r\n      return this.dragging || this.resizing || this.gesturing;\r\n    },\r\n\r\n    clearTargets: function(){\r\n      this.target = this.element = null;\r\n\r\n      this.dropTarget = this.dropElement = this.prevDropTarget = this.prevDropElement = null;\r\n    },\r\n\r\n    stop: function(event){\r\n      if (this.interacting()){\r\n        autoScroll.stop();\r\n        this.matches = [];\r\n        this.matchElements = [];\r\n\r\n        var target = this.target;\r\n\r\n        if (target.options.styleCursor){\r\n          target._doc.documentElement.style.cursor = '';\r\n        }\r\n\r\n                // prevent Default only if were previously interacting\r\n        if (event && isFunction(event.preventDefault)){\r\n          this.checkAndPreventDefault(event, target, this.element);\r\n        }\r\n\r\n        if (this.dragging){\r\n          this.activeDrops.dropzones = this.activeDrops.elements = this.activeDrops.rects = null;\r\n        }\r\n      }\r\n\r\n      this.clearTargets();\r\n\r\n      this.pointerIsDown = this.snapStatus.locked = this.dragging = this.resizing = this.gesturing = false;\r\n      this.prepared.name = this.prevEvent = null;\r\n      this.inertiaStatus.resumeDx = this.inertiaStatus.resumeDy = 0;\r\n\r\n            // remove pointers if their ID isn't in this.pointerIds\r\n      for (var i = 0; i < this.pointers.length; i++){\r\n        if (indexOf(this.pointerIds, getPointerId(this.pointers[i])) === -1){\r\n          this.pointers.splice(i, 1);\r\n        }\r\n      }\r\n    },\r\n\r\n    inertiaFrame: function(){\r\n      var inertiaStatus = this.inertiaStatus,\r\n        options = this.target.options[this.prepared.name].inertia,\r\n        lambda = options.resistance,\r\n        t = new Date().getTime() / 1000 - inertiaStatus.t0;\r\n\r\n      if (t < inertiaStatus.te){\r\n        var progress = 1 - (Math.exp(-lambda * t) - inertiaStatus.lambda_v0) / inertiaStatus.one_ve_v0;\r\n\r\n        if (inertiaStatus.modifiedXe === inertiaStatus.xe && inertiaStatus.modifiedYe === inertiaStatus.ye){\r\n          inertiaStatus.sx = inertiaStatus.xe * progress;\r\n          inertiaStatus.sy = inertiaStatus.ye * progress;\r\n        }\r\n        else {\r\n          var quadPoint = getQuadraticCurvePoint(\r\n                            0, 0,\r\n                            inertiaStatus.xe, inertiaStatus.ye,\r\n                            inertiaStatus.modifiedXe, inertiaStatus.modifiedYe,\r\n                            progress);\r\n\r\n          inertiaStatus.sx = quadPoint.x;\r\n          inertiaStatus.sy = quadPoint.y;\r\n        }\r\n\r\n        this.pointerMove(inertiaStatus.startEvent, inertiaStatus.startEvent);\r\n\r\n        inertiaStatus.i = reqFrame(this.boundInertiaFrame);\r\n      }\r\n      else {\r\n        inertiaStatus.ending = true;\r\n\r\n        inertiaStatus.sx = inertiaStatus.modifiedXe;\r\n        inertiaStatus.sy = inertiaStatus.modifiedYe;\r\n\r\n        this.pointerMove(inertiaStatus.startEvent, inertiaStatus.startEvent);\r\n        this.pointerEnd(inertiaStatus.startEvent, inertiaStatus.startEvent);\r\n\r\n        inertiaStatus.active = inertiaStatus.ending = false;\r\n      }\r\n    },\r\n\r\n    smoothEndFrame: function(){\r\n      var inertiaStatus = this.inertiaStatus,\r\n        t = new Date().getTime() - inertiaStatus.t0,\r\n        duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\r\n\r\n      if (t < duration){\r\n        inertiaStatus.sx = easeOutQuad(t, 0, inertiaStatus.xe, duration);\r\n        inertiaStatus.sy = easeOutQuad(t, 0, inertiaStatus.ye, duration);\r\n\r\n        this.pointerMove(inertiaStatus.startEvent, inertiaStatus.startEvent);\r\n\r\n        inertiaStatus.i = reqFrame(this.boundSmoothEndFrame);\r\n      }\r\n      else {\r\n        inertiaStatus.ending = true;\r\n\r\n        inertiaStatus.sx = inertiaStatus.xe;\r\n        inertiaStatus.sy = inertiaStatus.ye;\r\n\r\n        this.pointerMove(inertiaStatus.startEvent, inertiaStatus.startEvent);\r\n        this.pointerEnd(inertiaStatus.startEvent, inertiaStatus.startEvent);\r\n\r\n        inertiaStatus.smoothEnd =\r\n                  inertiaStatus.active = inertiaStatus.ending = false;\r\n      }\r\n    },\r\n\r\n    addPointer: function(pointer){\r\n      var id = getPointerId(pointer),\r\n        index = this.mouse ? 0 : indexOf(this.pointerIds, id);\r\n\r\n      if (index === -1){\r\n        index = this.pointerIds.length;\r\n      }\r\n\r\n      this.pointerIds[index] = id;\r\n      this.pointers[index] = pointer;\r\n\r\n      return index;\r\n    },\r\n\r\n    removePointer: function(pointer){\r\n      var id = getPointerId(pointer),\r\n        index = this.mouse ? 0 : indexOf(this.pointerIds, id);\r\n\r\n      if (index === -1){ return; }\r\n\r\n      this.pointers.splice(index, 1);\r\n      this.pointerIds.splice(index, 1);\r\n      this.downTargets.splice(index, 1);\r\n      this.downTimes.splice(index, 1);\r\n      this.holdTimers.splice(index, 1);\r\n    },\r\n\r\n    recordPointer: function(pointer){\r\n      var index = this.mouse ? 0 : indexOf(this.pointerIds, getPointerId(pointer));\r\n\r\n      if (index === -1){ return; }\r\n\r\n      this.pointers[index] = pointer;\r\n    },\r\n\r\n    collectEventTargets: function(pointer, event, eventTarget, eventType){\r\n      var pointerIndex = this.mouse ? 0 : indexOf(this.pointerIds, getPointerId(pointer));\r\n\r\n            // do not fire a tap event if the pointer was moved before being lifted\r\n      if (eventType === 'tap' && (this.pointerWasMoved\r\n                // or if the pointerup target is different to the pointerdown target\r\n                || !(this.downTargets[pointerIndex] && this.downTargets[pointerIndex] === eventTarget))){\r\n        return;\r\n      }\r\n\r\n      var targets = [],\r\n        elements = [],\r\n        element = eventTarget;\r\n\r\n      function collectSelectors(interactable, selector, context){\r\n        var els = ie8MatchesSelector\r\n                        ? context.querySelectorAll(selector)\r\n                        : undefined;\r\n\r\n        if (interactable._iEvents[eventType]\r\n                    && isElement(element)\r\n                    && inContext(interactable, element)\r\n                    && !testIgnore(interactable, element, eventTarget)\r\n                    && testAllow(interactable, element, eventTarget)\r\n                    && matchesSelector(element, selector, els)){\r\n          targets.push(interactable);\r\n          elements.push(element);\r\n        }\r\n      }\r\n\r\n      while (element){\r\n        if (interact.isSet(element) && interact(element)._iEvents[eventType]){\r\n          targets.push(interact(element));\r\n          elements.push(element);\r\n        }\r\n\r\n        interactables.forEachSelector(collectSelectors);\r\n\r\n        element = parentElement(element);\r\n      }\r\n\r\n            // create the tap event even if there are no listeners so that\r\n            // doubletap can still be created and fired\r\n      if (targets.length || eventType === 'tap'){\r\n        this.firePointers(pointer, event, eventTarget, targets, elements, eventType);\r\n      }\r\n    },\r\n\r\n    firePointers: function(pointer, event, eventTarget, targets, elements, eventType){\r\n      var pointerIndex = this.mouse ? 0 : indexOf(this.pointerIds, getPointerId(pointer)),\r\n        pointerEvent = {},\r\n        i,\r\n                // for tap events\r\n        interval, createNewDoubleTap;\r\n\r\n            // if it's a doubletap then the event properties would have been\r\n            // copied from the tap event and provided as the pointer argument\r\n      if (eventType === 'doubletap'){\r\n        pointerEvent = pointer;\r\n      }\r\n      else {\r\n        pointerExtend(pointerEvent, event);\r\n        if (event !== pointer){\r\n          pointerExtend(pointerEvent, pointer);\r\n        }\r\n\r\n        pointerEvent.preventDefault = preventOriginalDefault;\r\n        pointerEvent.stopPropagation = InteractEvent.prototype.stopPropagation;\r\n        pointerEvent.stopImmediatePropagation = InteractEvent.prototype.stopImmediatePropagation;\r\n        pointerEvent.interaction = this;\r\n\r\n        pointerEvent.timeStamp = new Date().getTime();\r\n        pointerEvent.originalEvent = event;\r\n        pointerEvent.originalPointer = pointer;\r\n        pointerEvent.type = eventType;\r\n        pointerEvent.pointerId = getPointerId(pointer);\r\n        pointerEvent.pointerType = this.mouse ? 'mouse' : !supportsPointerEvent ? 'touch'\r\n                                                    : isString(pointer.pointerType)\r\n                                                        ? pointer.pointerType\r\n                                                        : [,, 'touch', 'pen', 'mouse'][pointer.pointerType];\r\n      }\r\n\r\n      if (eventType === 'tap'){\r\n        pointerEvent.dt = pointerEvent.timeStamp - this.downTimes[pointerIndex];\r\n\r\n        interval = pointerEvent.timeStamp - this.tapTime;\r\n        createNewDoubleTap = !!(this.prevTap && this.prevTap.type !== 'doubletap'\r\n                       && this.prevTap.target === pointerEvent.target\r\n                       && interval < 500);\r\n\r\n        pointerEvent.double = createNewDoubleTap;\r\n\r\n        this.tapTime = pointerEvent.timeStamp;\r\n      }\r\n\r\n      for (i = 0; i < targets.length; i++){\r\n        pointerEvent.currentTarget = elements[i];\r\n        pointerEvent.interactable = targets[i];\r\n        targets[i].fire(pointerEvent);\r\n\r\n        if (pointerEvent.immediatePropagationStopped\r\n                    || (pointerEvent.propagationStopped && elements[i + 1] !== pointerEvent.currentTarget)){\r\n          break;\r\n        }\r\n      }\r\n\r\n      if (createNewDoubleTap){\r\n        var doubleTap = {};\r\n\r\n        extend(doubleTap, pointerEvent);\r\n\r\n        doubleTap.dt = interval;\r\n        doubleTap.type = 'doubletap';\r\n\r\n        this.collectEventTargets(doubleTap, event, eventTarget, 'doubletap');\r\n\r\n        this.prevTap = doubleTap;\r\n      }\r\n      else if (eventType === 'tap'){\r\n        this.prevTap = pointerEvent;\r\n      }\r\n    },\r\n\r\n    validateSelector: function(pointer, event, matches, matchElements){\r\n      for (var i = 0, len = matches.length; i < len; i++){\r\n        var match = matches[i],\r\n          matchElement = matchElements[i],\r\n          action = validateAction(match.getAction(pointer, event, this, matchElement), match);\r\n\r\n        if (action && withinInteractionLimit(match, matchElement, action)){\r\n          this.target = match;\r\n          this.element = matchElement;\r\n\r\n          return action;\r\n        }\r\n      }\r\n    },\r\n\r\n    setSnapping: function(pageCoords, status){\r\n      var snap = this.target.options[this.prepared.name].snap,\r\n        targets = [],\r\n        target,\r\n        page,\r\n        i;\r\n\r\n      status = status || this.snapStatus;\r\n\r\n      if (status.useStatusXY){\r\n        page = { x: status.x, y: status.y };\r\n      }\r\n      else {\r\n        var origin = getOriginXY(this.target, this.element);\r\n\r\n        page = extend({}, pageCoords);\r\n\r\n        page.x -= origin.x;\r\n        page.y -= origin.y;\r\n      }\r\n\r\n      status.realX = page.x;\r\n      status.realY = page.y;\r\n\r\n      page.x = page.x - this.inertiaStatus.resumeDx;\r\n      page.y = page.y - this.inertiaStatus.resumeDy;\r\n\r\n      var len = snap.targets ? snap.targets.length : 0;\r\n\r\n      for (var relIndex = 0; relIndex < this.snapOffsets.length; relIndex++){\r\n        var relative = {\r\n          x: page.x - this.snapOffsets[relIndex].x,\r\n          y: page.y - this.snapOffsets[relIndex].y\r\n        };\r\n\r\n        for (i = 0; i < len; i++){\r\n          if (isFunction(snap.targets[i])){\r\n            target = snap.targets[i](relative.x, relative.y, this);\r\n          }\r\n          else {\r\n            target = snap.targets[i];\r\n          }\r\n\r\n          if (!target){ continue; }\r\n\r\n          targets.push({\r\n            x: isNumber(target.x) ? (target.x + this.snapOffsets[relIndex].x) : relative.x,\r\n            y: isNumber(target.y) ? (target.y + this.snapOffsets[relIndex].y) : relative.y,\r\n\r\n            range: isNumber(target.range) ? target.range : snap.range\r\n          });\r\n        }\r\n      }\r\n\r\n      var closest = {\r\n        target: null,\r\n        inRange: false,\r\n        distance: 0,\r\n        range: 0,\r\n        dx: 0,\r\n        dy: 0\r\n      };\r\n\r\n      for (i = 0, len = targets.length; i < len; i++){\r\n        target = targets[i];\r\n\r\n        var range = target.range,\r\n          dx = target.x - page.x,\r\n          dy = target.y - page.y,\r\n          distance = hypot(dx, dy),\r\n          inRange = distance <= range;\r\n\r\n                // Infinite targets count as being out of range\r\n                // compared to non infinite ones that are in range\r\n        if (range === Infinity && closest.inRange && closest.range !== Infinity){\r\n          inRange = false;\r\n        }\r\n\r\n        if (!closest.target || (inRange\r\n                    // is the closest target in range?\r\n                    ? (closest.inRange && range !== Infinity\r\n                        // the pointer is relatively deeper in this target\r\n                        ? distance / range < closest.distance / closest.range\r\n                        // this target has Infinite range and the closest doesn't\r\n                        : (range === Infinity && closest.range !== Infinity)\r\n                            // OR this target is closer that the previous closest\r\n                            || distance < closest.distance)\r\n                    // The other is not in range and the pointer is closer to this target\r\n                    : (!closest.inRange && distance < closest.distance))){\r\n          if (range === Infinity){\r\n            inRange = true;\r\n          }\r\n\r\n          closest.target = target;\r\n          closest.distance = distance;\r\n          closest.range = range;\r\n          closest.inRange = inRange;\r\n          closest.dx = dx;\r\n          closest.dy = dy;\r\n\r\n          status.range = range;\r\n        }\r\n      }\r\n\r\n      var snapChanged;\r\n\r\n      if (closest.target){\r\n        snapChanged = (status.snappedX !== closest.target.x || status.snappedY !== closest.target.y);\r\n\r\n        status.snappedX = closest.target.x;\r\n        status.snappedY = closest.target.y;\r\n      }\r\n      else {\r\n        snapChanged = true;\r\n\r\n        status.snappedX = NaN;\r\n        status.snappedY = NaN;\r\n      }\r\n\r\n      status.dx = closest.dx;\r\n      status.dy = closest.dy;\r\n\r\n      status.changed = (snapChanged || (closest.inRange && !status.locked));\r\n      status.locked = closest.inRange;\r\n\r\n      return status;\r\n    },\r\n\r\n    setRestriction: function(pageCoords, status){\r\n      var target = this.target,\r\n        restrict = target && target.options[this.prepared.name].restrict,\r\n        restriction = restrict && restrict.restriction,\r\n        page;\r\n\r\n      if (!restriction){\r\n        return status;\r\n      }\r\n\r\n      status = status || this.restrictStatus;\r\n\r\n      page = status.useStatusXY\r\n                    ? page = { x: status.x, y: status.y }\r\n                    : page = extend({}, pageCoords);\r\n\r\n      if (status.snap && status.snap.locked){\r\n        page.x += status.snap.dx || 0;\r\n        page.y += status.snap.dy || 0;\r\n      }\r\n\r\n      page.x -= this.inertiaStatus.resumeDx;\r\n      page.y -= this.inertiaStatus.resumeDy;\r\n\r\n      status.dx = 0;\r\n      status.dy = 0;\r\n      status.restricted = false;\r\n\r\n      var rect, restrictedX, restrictedY;\r\n\r\n      if (isString(restriction)){\r\n        if (restriction === 'parent'){\r\n          restriction = parentElement(this.element);\r\n        }\r\n        else if (restriction === 'self'){\r\n          restriction = target.getRect(this.element);\r\n        }\r\n                else {\r\n          restriction = closest(this.element, restriction);\r\n        }\r\n\r\n        if (!restriction){ return status; }\r\n      }\r\n\r\n      if (isFunction(restriction)){\r\n        restriction = restriction(page.x, page.y, this.element);\r\n      }\r\n\r\n      if (isElement(restriction)){\r\n        restriction = getElementRect(restriction);\r\n      }\r\n\r\n      rect = restriction;\r\n\r\n      if (!restriction){\r\n        restrictedX = page.x;\r\n        restrictedY = page.y;\r\n      }\r\n            // object is assumed to have\r\n            // x, y, width, height or\r\n            // left, top, right, bottom\r\n      else if ('x' in restriction && 'y' in restriction){\r\n        restrictedX = Math.max(Math.min(rect.x + rect.width - this.restrictOffset.right, page.x), rect.x + this.restrictOffset.left);\r\n        restrictedY = Math.max(Math.min(rect.y + rect.height - this.restrictOffset.bottom, page.y), rect.y + this.restrictOffset.top);\r\n      }\r\n            else {\r\n        restrictedX = Math.max(Math.min(rect.right - this.restrictOffset.right, page.x), rect.left + this.restrictOffset.left);\r\n        restrictedY = Math.max(Math.min(rect.bottom - this.restrictOffset.bottom, page.y), rect.top + this.restrictOffset.top);\r\n      }\r\n\r\n      status.dx = restrictedX - page.x;\r\n      status.dy = restrictedY - page.y;\r\n\r\n      status.changed = status.restrictedX !== restrictedX || status.restrictedY !== restrictedY;\r\n      status.restricted = !!(status.dx || status.dy);\r\n\r\n      status.restrictedX = restrictedX;\r\n      status.restrictedY = restrictedY;\r\n\r\n      return status;\r\n    },\r\n\r\n    checkAndPreventDefault: function(event, interactable, element){\r\n      if (!(interactable = interactable || this.target)){ return; }\r\n\r\n      var options = interactable.options,\r\n        prevent = options.preventDefault;\r\n\r\n      if (prevent === 'auto' && element && !/^(input|select|textarea)$/i.test(event.target.nodeName)){\r\n                // do not preventDefault on pointerdown if the prepared action is a drag\r\n                // and dragging can only start from a certain direction - this allows\r\n                // a touch to pan the viewport if a drag isn't in the right direction\r\n        if (/down|start/i.test(event.type)\r\n                    && this.prepared.name === 'drag' && options.drag.axis !== 'xy'){\r\n          return;\r\n        }\r\n\r\n                // with manualStart, only preventDefault while interacting\r\n        if (options[this.prepared.name] && options[this.prepared.name].manualStart\r\n                    && !this.interacting()){\r\n          return;\r\n        }\r\n\r\n        event.preventDefault();\r\n        return;\r\n      }\r\n\r\n      if (prevent === 'always'){\r\n        event.preventDefault();\r\n        return;\r\n      }\r\n    },\r\n\r\n    calcInertia: function(status){\r\n      var inertiaOptions = this.target.options[this.prepared.name].inertia,\r\n        lambda = inertiaOptions.resistance,\r\n        inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\r\n\r\n      status.x0 = this.prevEvent.pageX;\r\n      status.y0 = this.prevEvent.pageY;\r\n      status.t0 = status.startEvent.timeStamp / 1000;\r\n      status.sx = status.sy = 0;\r\n\r\n      status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\r\n      status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\r\n      status.te = inertiaDur;\r\n\r\n      status.lambda_v0 = lambda / status.v0;\r\n      status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\r\n    },\r\n\r\n    autoScrollMove: function(pointer){\r\n      if (!(this.interacting()\r\n                && checkAutoScroll(this.target, this.prepared.name))){\r\n        return;\r\n      }\r\n\r\n      if (this.inertiaStatus.active){\r\n        autoScroll.x = autoScroll.y = 0;\r\n        return;\r\n      }\r\n\r\n      var top,\r\n        right,\r\n        bottom,\r\n        left,\r\n        options = this.target.options[this.prepared.name].autoScroll,\r\n        container = options.container || getWindow(this.element);\r\n\r\n      if (isWindow(container)){\r\n        left = pointer.clientX < autoScroll.margin;\r\n        top = pointer.clientY < autoScroll.margin;\r\n        right = pointer.clientX > container.innerWidth - autoScroll.margin;\r\n        bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\r\n      }\r\n      else {\r\n        var rect = getElementClientRect(container);\r\n\r\n        left = pointer.clientX < rect.left + autoScroll.margin;\r\n        top = pointer.clientY < rect.top + autoScroll.margin;\r\n        right = pointer.clientX > rect.right - autoScroll.margin;\r\n        bottom = pointer.clientY > rect.bottom - autoScroll.margin;\r\n      }\r\n\r\n      autoScroll.x = (right ? 1 : left ? -1 : 0);\r\n      autoScroll.y = (bottom ? 1 : top ? -1 : 0);\r\n\r\n      if (!autoScroll.isScrolling){\r\n                // set the autoScroll properties to those of the target\r\n        autoScroll.margin = options.margin;\r\n        autoScroll.speed = options.speed;\r\n\r\n        autoScroll.start(this);\r\n      }\r\n    },\r\n\r\n    _updateEventTargets: function(target, currentTarget){\r\n      this._eventTarget = target;\r\n      this._curEventTarget = currentTarget;\r\n    }\r\n\r\n  };\r\n\r\n  function getInteractionFromPointer(pointer, eventType, eventTarget){\r\n    var i = 0, len = interactions.length,\r\n      mouseEvent = (/mouse/i.test(pointer.pointerType || eventType)\r\n                          // MSPointerEvent.MSPOINTER_TYPE_MOUSE\r\n                          || pointer.pointerType === 4),\r\n      interaction;\r\n\r\n    var id = getPointerId(pointer);\r\n\r\n        // try to resume inertia with a new pointer\r\n    if (/down|start/i.test(eventType)){\r\n      for (i = 0; i < len; i++){\r\n        interaction = interactions[i];\r\n\r\n        var element = eventTarget;\r\n\r\n        if (interaction.inertiaStatus.active && interaction.target.options[interaction.prepared.name].inertia.allowResume\r\n                    && (interaction.mouse === mouseEvent)){\r\n          while (element){\r\n                        // if the element is the interaction element\r\n            if (element === interaction.element){\r\n              return interaction;\r\n            }\r\n            element = parentElement(element);\r\n          }\r\n        }\r\n      }\r\n    }\r\n\r\n        // if it's a mouse interaction\r\n    if (mouseEvent || !supportsTouch || supportsPointerEvent){\r\n            // find a mouse interaction that's not in inertia phase\r\n      for (i = 0; i < len; i++){\r\n        if (interactions[i].mouse && !interactions[i].inertiaStatus.active){\r\n          return interactions[i];\r\n        }\r\n      }\r\n\r\n            // find any interaction specifically for mouse.\r\n            // if the eventType is a mousedown, and inertia is active\r\n            // ignore the interaction\r\n      for (i = 0; i < len; i++){\r\n        if (interactions[i].mouse && !(/down/.test(eventType) && interactions[i].inertiaStatus.active)){\r\n          return interaction;\r\n        }\r\n      }\r\n\r\n            // create a new interaction for mouse\r\n      interaction = new Interaction();\r\n      interaction.mouse = true;\r\n\r\n      return interaction;\r\n    }\r\n\r\n        // get interaction that has this pointer\r\n    for (i = 0; i < len; i++){\r\n      if (contains(interactions[i].pointerIds, id)){\r\n        return interactions[i];\r\n      }\r\n    }\r\n\r\n        // at this stage, a pointerUp should not return an interaction\r\n    if (/up|end|out/i.test(eventType)){\r\n      return null;\r\n    }\r\n\r\n        // get first idle interaction\r\n    for (i = 0; i < len; i++){\r\n      interaction = interactions[i];\r\n\r\n      if ((!interaction.prepared.name || (interaction.target.options.gesture.enabled))\r\n                && !interaction.interacting()\r\n                && !(!mouseEvent && interaction.mouse)){\r\n        return interaction;\r\n      }\r\n    }\r\n\r\n    return new Interaction();\r\n  }\r\n\r\n  function doOnInteractions(method){\r\n    return (function(event){\r\n      var interaction,\r\n        eventTarget = getActualElement(event.path\r\n                                               ? event.path[0]\r\n                                               : event.target),\r\n        curEventTarget = getActualElement(event.currentTarget),\r\n        i;\r\n\r\n      if (supportsTouch && /touch/.test(event.type)){\r\n        prevTouchTime = new Date().getTime();\r\n\r\n        for (i = 0; i < event.changedTouches.length; i++){\r\n          var pointer = event.changedTouches[i];\r\n\r\n          interaction = getInteractionFromPointer(pointer, event.type, eventTarget);\r\n\r\n          if (!interaction){ continue; }\r\n\r\n          interaction._updateEventTargets(eventTarget, curEventTarget);\r\n\r\n          interaction[method](pointer, event, eventTarget, curEventTarget);\r\n        }\r\n      }\r\n      else {\r\n        if (!supportsPointerEvent && /mouse/.test(event.type)){\r\n                    // ignore mouse events while touch interactions are active\r\n          for (i = 0; i < interactions.length; i++){\r\n            if (!interactions[i].mouse && interactions[i].pointerIsDown){\r\n              return;\r\n            }\r\n          }\r\n\r\n                    // try to ignore mouse events that are simulated by the browser\r\n                    // after a touch event\r\n          if (new Date().getTime() - prevTouchTime < 500){\r\n            return;\r\n          }\r\n        }\r\n\r\n        interaction = getInteractionFromPointer(event, event.type, eventTarget);\r\n\r\n        if (!interaction){ return; }\r\n\r\n        interaction._updateEventTargets(eventTarget, curEventTarget);\r\n\r\n        interaction[method](event, event, eventTarget, curEventTarget);\r\n      }\r\n    });\r\n  }\r\n\r\n  function InteractEvent(interaction, event, action, phase, element, related){\r\n    var client,\r\n      page,\r\n      target = interaction.target,\r\n      snapStatus = interaction.snapStatus,\r\n      restrictStatus = interaction.restrictStatus,\r\n      pointers = interaction.pointers,\r\n      deltaSource = (target && target.options || defaultOptions).deltaSource,\r\n      sourceX = deltaSource + 'X',\r\n      sourceY = deltaSource + 'Y',\r\n      options = target ? target.options : defaultOptions,\r\n      origin = getOriginXY(target, element),\r\n      starting = phase === 'start',\r\n      ending = phase === 'end',\r\n      coords = starting ? interaction.startCoords : interaction.curCoords;\r\n\r\n    element = element || interaction.element;\r\n\r\n    page = extend({}, coords.page);\r\n    client = extend({}, coords.client);\r\n\r\n    page.x -= origin.x;\r\n    page.y -= origin.y;\r\n\r\n    client.x -= origin.x;\r\n    client.y -= origin.y;\r\n\r\n    var relativePoints = options[action].snap && options[action].snap.relativePoints;\r\n\r\n    if (checkSnap(target, action) && !(starting && relativePoints && relativePoints.length)){\r\n      this.snap = {\r\n        range: snapStatus.range,\r\n        locked: snapStatus.locked,\r\n        x: snapStatus.snappedX,\r\n        y: snapStatus.snappedY,\r\n        realX: snapStatus.realX,\r\n        realY: snapStatus.realY,\r\n        dx: snapStatus.dx,\r\n        dy: snapStatus.dy\r\n      };\r\n\r\n      if (snapStatus.locked){\r\n        page.x += snapStatus.dx;\r\n        page.y += snapStatus.dy;\r\n        client.x += snapStatus.dx;\r\n        client.y += snapStatus.dy;\r\n      }\r\n    }\r\n\r\n    if (checkRestrict(target, action) && !(starting && options[action].restrict.elementRect) && restrictStatus.restricted){\r\n      page.x += restrictStatus.dx;\r\n      page.y += restrictStatus.dy;\r\n      client.x += restrictStatus.dx;\r\n      client.y += restrictStatus.dy;\r\n\r\n      this.restrict = {\r\n        dx: restrictStatus.dx,\r\n        dy: restrictStatus.dy\r\n      };\r\n    }\r\n\r\n    this.pageX = page.x;\r\n    this.pageY = page.y;\r\n    this.clientX = client.x;\r\n    this.clientY = client.y;\r\n\r\n    this.x0 = interaction.startCoords.page.x - origin.x;\r\n    this.y0 = interaction.startCoords.page.y - origin.y;\r\n    this.clientX0 = interaction.startCoords.client.x - origin.x;\r\n    this.clientY0 = interaction.startCoords.client.y - origin.y;\r\n    this.ctrlKey = event.ctrlKey;\r\n    this.altKey = event.altKey;\r\n    this.shiftKey = event.shiftKey;\r\n    this.metaKey = event.metaKey;\r\n    this.button = event.button;\r\n    this.buttons = event.buttons;\r\n    this.target = element;\r\n    this.t0 = interaction.downTimes[0];\r\n    this.type = action + (phase || '');\r\n\r\n    this.interaction = interaction;\r\n    this.interactable = target;\r\n\r\n    var inertiaStatus = interaction.inertiaStatus;\r\n\r\n    if (inertiaStatus.active){\r\n      this.detail = 'inertia';\r\n    }\r\n\r\n    if (related){\r\n      this.relatedTarget = related;\r\n    }\r\n\r\n        // end event dx, dy is difference between start and end points\r\n    if (ending){\r\n      if (deltaSource === 'client'){\r\n        this.dx = client.x - interaction.startCoords.client.x;\r\n        this.dy = client.y - interaction.startCoords.client.y;\r\n      }\r\n      else {\r\n        this.dx = page.x - interaction.startCoords.page.x;\r\n        this.dy = page.y - interaction.startCoords.page.y;\r\n      }\r\n    }\r\n    else if (starting){\r\n      this.dx = 0;\r\n      this.dy = 0;\r\n    }\r\n        // copy properties from previousmove if starting inertia\r\n        else if (phase === 'inertiastart'){\r\n          this.dx = interaction.prevEvent.dx;\r\n          this.dy = interaction.prevEvent.dy;\r\n        }\r\n        else {\r\n          if (deltaSource === 'client'){\r\n            this.dx = client.x - interaction.prevEvent.clientX;\r\n            this.dy = client.y - interaction.prevEvent.clientY;\r\n          }\r\n          else {\r\n            this.dx = page.x - interaction.prevEvent.pageX;\r\n            this.dy = page.y - interaction.prevEvent.pageY;\r\n          }\r\n        }\r\n    if (interaction.prevEvent && interaction.prevEvent.detail === 'inertia'\r\n            && !inertiaStatus.active\r\n            && options[action].inertia && options[action].inertia.zeroResumeDelta){\r\n      inertiaStatus.resumeDx += this.dx;\r\n      inertiaStatus.resumeDy += this.dy;\r\n\r\n      this.dx = this.dy = 0;\r\n    }\r\n\r\n    if (action === 'resize' && interaction.resizeAxes){\r\n      if (options.resize.square){\r\n        if (interaction.resizeAxes === 'y'){\r\n          this.dx = this.dy;\r\n        }\r\n        else {\r\n          this.dy = this.dx;\r\n        }\r\n        this.axes = 'xy';\r\n      }\r\n      else {\r\n        this.axes = interaction.resizeAxes;\r\n\r\n        if (interaction.resizeAxes === 'x'){\r\n          this.dy = 0;\r\n        }\r\n        else if (interaction.resizeAxes === 'y'){\r\n          this.dx = 0;\r\n        }\r\n      }\r\n    }\r\n    else if (action === 'gesture'){\r\n      this.touches = [pointers[0], pointers[1]];\r\n\r\n      if (starting){\r\n        this.distance = touchDistance(pointers, deltaSource);\r\n        this.box = touchBBox(pointers);\r\n        this.scale = 1;\r\n        this.ds = 0;\r\n        this.angle = touchAngle(pointers, undefined, deltaSource);\r\n        this.da = 0;\r\n      }\r\n      else if (ending || event instanceof InteractEvent){\r\n        this.distance = interaction.prevEvent.distance;\r\n        this.box = interaction.prevEvent.box;\r\n        this.scale = interaction.prevEvent.scale;\r\n        this.ds = this.scale - 1;\r\n        this.angle = interaction.prevEvent.angle;\r\n        this.da = this.angle - interaction.gesture.startAngle;\r\n      }\r\n            else {\r\n        this.distance = touchDistance(pointers, deltaSource);\r\n        this.box = touchBBox(pointers);\r\n        this.scale = this.distance / interaction.gesture.startDistance;\r\n        this.angle = touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\r\n\r\n        this.ds = this.scale - interaction.gesture.prevScale;\r\n        this.da = this.angle - interaction.gesture.prevAngle;\r\n      }\r\n    }\r\n\r\n    if (starting){\r\n      this.timeStamp = interaction.downTimes[0];\r\n      this.dt = 0;\r\n      this.duration = 0;\r\n      this.speed = 0;\r\n      this.velocityX = 0;\r\n      this.velocityY = 0;\r\n    }\r\n    else if (phase === 'inertiastart'){\r\n      this.timeStamp = interaction.prevEvent.timeStamp;\r\n      this.dt = interaction.prevEvent.dt;\r\n      this.duration = interaction.prevEvent.duration;\r\n      this.speed = interaction.prevEvent.speed;\r\n      this.velocityX = interaction.prevEvent.velocityX;\r\n      this.velocityY = interaction.prevEvent.velocityY;\r\n    }\r\n        else {\r\n      this.timeStamp = new Date().getTime();\r\n      this.dt = this.timeStamp - interaction.prevEvent.timeStamp;\r\n      this.duration = this.timeStamp - interaction.downTimes[0];\r\n\r\n      if (event instanceof InteractEvent){\r\n        var dx = this[sourceX] - interaction.prevEvent[sourceX],\r\n          dy = this[sourceY] - interaction.prevEvent[sourceY],\r\n          dt = this.dt / 1000;\r\n\r\n        this.speed = hypot(dx, dy) / dt;\r\n        this.velocityX = dx / dt;\r\n        this.velocityY = dy / dt;\r\n      }\r\n            // if normal move or end event, use previous user event coords\r\n      else {\r\n                // speed and velocity in pixels per second\r\n        this.speed = interaction.pointerDelta[deltaSource].speed;\r\n        this.velocityX = interaction.pointerDelta[deltaSource].vx;\r\n        this.velocityY = interaction.pointerDelta[deltaSource].vy;\r\n      }\r\n    }\r\n\r\n    if ((ending || phase === 'inertiastart')\r\n            && interaction.prevEvent.speed > 600 && this.timeStamp - interaction.prevEvent.timeStamp < 150){\r\n      var angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI,\r\n        overlap = 22.5;\r\n\r\n      if (angle < 0){\r\n        angle += 360;\r\n      }\r\n\r\n      var left = 135 - overlap <= angle && angle < 225 + overlap,\r\n        up = 225 - overlap <= angle && angle < 315 + overlap,\r\n\r\n        right = !left && (315 - overlap <= angle || angle < 45 + overlap),\r\n        down = !up && 45 - overlap <= angle && angle < 135 + overlap;\r\n\r\n      this.swipe = {\r\n        up: up,\r\n        down: down,\r\n        left: left,\r\n        right: right,\r\n        angle: angle,\r\n        speed: interaction.prevEvent.speed,\r\n        velocity: {\r\n          x: interaction.prevEvent.velocityX,\r\n          y: interaction.prevEvent.velocityY\r\n        }\r\n      };\r\n    }\r\n  }\r\n\r\n  InteractEvent.prototype = {\r\n    preventDefault: blank,\r\n    stopImmediatePropagation: function(){\r\n      this.immediatePropagationStopped = this.propagationStopped = true;\r\n    },\r\n    stopPropagation: function(){\r\n      this.propagationStopped = true;\r\n    }\r\n  };\r\n\r\n  function preventOriginalDefault(){\r\n    this.originalEvent.preventDefault();\r\n  }\r\n\r\n  function getActionCursor(action){\r\n    var cursor = '';\r\n\r\n    if (action.name === 'drag'){\r\n      cursor = actionCursors.drag;\r\n    }\r\n    if (action.name === 'resize'){\r\n      if (action.axis){\r\n        cursor = actionCursors[action.name + action.axis];\r\n      }\r\n      else if (action.edges){\r\n        var cursorKey = 'resize',\r\n          edgeNames = ['top', 'bottom', 'left', 'right'];\r\n\r\n        for (var i = 0; i < 4; i++){\r\n          if (action.edges[edgeNames[i]]){\r\n            cursorKey += edgeNames[i];\r\n          }\r\n        }\r\n\r\n        cursor = actionCursors[cursorKey];\r\n      }\r\n    }\r\n\r\n    return cursor;\r\n  }\r\n\r\n  function checkResizeEdge(name, value, page, element, interactableElement, rect, margin){\r\n        // false, '', undefined, null\r\n    if (!value){ return false; }\r\n\r\n        // true value, use pointer coords and element rect\r\n    if (value === true){\r\n            // if dimensions are negative, \"switch\" edges\r\n      var width = isNumber(rect.width) ? rect.width : rect.right - rect.left,\r\n        height = isNumber(rect.height) ? rect.height : rect.bottom - rect.top;\r\n\r\n      if (width < 0){\r\n        if (name === 'left'){ name = 'right'; }\r\n        else if (name === 'right'){ name = 'left'; }\r\n      }\r\n      if (height < 0){\r\n        if (name === 'top'){ name = 'bottom'; }\r\n        else if (name === 'bottom'){ name = 'top'; }\r\n      }\r\n\r\n      if (name === 'left'){ return page.x < ((width >= 0 ? rect.left : rect.right) + margin); }\r\n      if (name === 'top'){ return page.y < ((height >= 0 ? rect.top : rect.bottom) + margin); }\r\n\r\n      if (name === 'right'){ return page.x > ((width >= 0 ? rect.right : rect.left) - margin); }\r\n      if (name === 'bottom'){ return page.y > ((height >= 0 ? rect.bottom : rect.top) - margin); }\r\n    }\r\n\r\n        // the remaining checks require an element\r\n    if (!isElement(element)){ return false; }\r\n\r\n    return isElement(value)\r\n                    // the value is an element to use as a resize handle\r\n                    ? value === element\r\n                    // otherwise check if element matches value as selector\r\n                    : matchesUpTo(element, value, interactableElement);\r\n  }\r\n\r\n  function defaultActionChecker(pointer, interaction, element){\r\n    var rect = this.getRect(element),\r\n      shouldResize = false,\r\n      action = null,\r\n      resizeAxes = null,\r\n      resizeEdges,\r\n      page = extend({}, interaction.curCoords.page),\r\n      options = this.options;\r\n\r\n    if (!rect){ return null; }\r\n\r\n    if (actionIsEnabled.resize && options.resize.enabled){\r\n      var resizeOptions = options.resize;\r\n\r\n      resizeEdges = {\r\n        left: false, right: false, top: false, bottom: false\r\n      };\r\n\r\n            // if using resize.edges\r\n      if (isObject(resizeOptions.edges)){\r\n        for (var edge in resizeEdges){\r\n          resizeEdges[edge] = checkResizeEdge(edge,\r\n                                                        resizeOptions.edges[edge],\r\n                                                        page,\r\n                                                        interaction._eventTarget,\r\n                                                        element,\r\n                                                        rect,\r\n                                                        resizeOptions.margin || margin);\r\n        }\r\n\r\n        resizeEdges.left = resizeEdges.left && !resizeEdges.right;\r\n        resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\r\n\r\n        shouldResize = resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom;\r\n      }\r\n      else {\r\n        var right = options.resize.axis !== 'y' && page.x > (rect.right - margin),\r\n          bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - margin);\r\n\r\n        shouldResize = right || bottom;\r\n        resizeAxes = (right ? 'x' : '') + (bottom ? 'y' : '');\r\n      }\r\n    }\r\n\r\n    action = shouldResize\r\n            ? 'resize'\r\n            : actionIsEnabled.drag && options.drag.enabled\r\n                ? 'drag'\r\n                : null;\r\n\r\n    if (actionIsEnabled.gesture\r\n            && interaction.pointerIds.length >= 2\r\n            && !(interaction.dragging || interaction.resizing)){\r\n      action = 'gesture';\r\n    }\r\n\r\n    if (action){\r\n      return {\r\n        name: action,\r\n        axis: resizeAxes,\r\n        edges: resizeEdges\r\n      };\r\n    }\r\n\r\n    return null;\r\n  }\r\n\r\n    // Check if action is enabled globally and the current target supports it\r\n    // If so, return the validated action. Otherwise, return null\r\n  function validateAction(action, interactable){\r\n    if (!isObject(action)){ return null; }\r\n\r\n    var actionName = action.name,\r\n      options = interactable.options;\r\n\r\n    if (((actionName === 'resize' && options.resize.enabled)\r\n            || (actionName === 'drag' && options.drag.enabled)\r\n            || (actionName === 'gesture' && options.gesture.enabled))\r\n            && actionIsEnabled[actionName]){\r\n      if (actionName === 'resize' || actionName === 'resizeyx'){\r\n        actionName = 'resizexy';\r\n      }\r\n\r\n      return action;\r\n    }\r\n    return null;\r\n  }\r\n\r\n  var listeners = {},\r\n    interactionListeners = [\r\n      'dragStart', 'dragMove', 'resizeStart', 'resizeMove', 'gestureStart', 'gestureMove',\r\n      'pointerOver', 'pointerOut', 'pointerHover', 'selectorDown',\r\n      'pointerDown', 'pointerMove', 'pointerUp', 'pointerCancel', 'pointerEnd',\r\n      'addPointer', 'removePointer', 'recordPointer', 'autoScrollMove'\r\n    ];\r\n\r\n  for (var i = 0, len = interactionListeners.length; i < len; i++){\r\n    var name = interactionListeners[i];\r\n\r\n    listeners[name] = doOnInteractions(name);\r\n  }\r\n\r\n    // bound to the interactable context when a DOM event\r\n    // listener is added to a selector interactable\r\n  function delegateListener(event, useCapture){\r\n    var fakeEvent = {},\r\n      delegated = delegatedEvents[event.type],\r\n      eventTarget = getActualElement(event.path\r\n                                           ? event.path[0]\r\n                                           : event.target),\r\n      element = eventTarget;\r\n\r\n    useCapture = useCapture ? true : false;\r\n\r\n        // duplicate the event so that currentTarget can be changed\r\n    for (var prop in event){\r\n      fakeEvent[prop] = event[prop];\r\n    }\r\n\r\n    fakeEvent.originalEvent = event;\r\n    fakeEvent.preventDefault = preventOriginalDefault;\r\n\r\n        // climb up document tree looking for selector matches\r\n    while (isElement(element)){\r\n      for (var i = 0; i < delegated.selectors.length; i++){\r\n        var selector = delegated.selectors[i],\r\n          context = delegated.contexts[i];\r\n\r\n        if (matchesSelector(element, selector)\r\n                    && nodeContains(context, eventTarget)\r\n                    && nodeContains(context, element)){\r\n          var listeners = delegated.listeners[i];\r\n\r\n          fakeEvent.currentTarget = element;\r\n\r\n          for (var j = 0; j < listeners.length; j++){\r\n            if (listeners[j][1] === useCapture){\r\n              listeners[j][0](fakeEvent);\r\n            }\r\n          }\r\n        }\r\n      }\r\n\r\n      element = parentElement(element);\r\n    }\r\n  }\r\n\r\n  function delegateUseCapture(event){\r\n    return delegateListener.call(this, event, true);\r\n  }\r\n\r\n  interactables.indexOfElement = function indexOfElement(element, context){\r\n    context = context || document;\r\n\r\n    for (var i = 0; i < this.length; i++){\r\n      var interactable = this[i];\r\n\r\n      if ((interactable.selector === element\r\n                && (interactable._context === context))\r\n                || (!interactable.selector && interactable._element === element)){\r\n        return i;\r\n      }\r\n    }\r\n    return -1;\r\n  };\r\n\r\n  interactables.get = function interactableGet(element, options){\r\n    return this[this.indexOfElement(element, options && options.context)];\r\n  };\r\n\r\n  interactables.forEachSelector = function(callback){\r\n    for (var i = 0; i < this.length; i++){\r\n      var interactable = this[i];\r\n\r\n      if (!interactable.selector){\r\n        continue;\r\n      }\r\n\r\n      var ret = callback(interactable, interactable.selector, interactable._context, i, this);\r\n\r\n      if (ret !== undefined){\r\n        return ret;\r\n      }\r\n    }\r\n  };\r\n\r\n    /* \\\r\n     * interact\r\n     [ method ]\r\n     *\r\n     * The methods of this variable can be used to set elements as\r\n     * interactables and also to change various default settings.\r\n     *\r\n     * Calling it as a function and passing an element or a valid CSS selector\r\n     * string returns an Interactable object which has various methods to\r\n     * configure it.\r\n     *\r\n     - element (Element | string) The HTML or SVG Element to interact with or CSS selector\r\n     = (object) An @Interactable\r\n     *\r\n     > Usage\r\n     | interact(document.getElementById('draggable')).draggable(true);\r\n     |\r\n     | var rectables = interact('rect');\r\n     | rectables\r\n     |     .gesturable(true)\r\n     |     .on('gesturemove', function (event) {\r\n     |         // something cool...\r\n     |     })\r\n     |     .autoScroll(true);\r\n    \\*/\r\n  function interact(element, options){\r\n    return interactables.get(element, options) || new Interactable(element, options);\r\n  }\r\n\r\n    /* \\\r\n     * Interactable\r\n     [ property ]\r\n     **\r\n     * Object type returned by @interact\r\n    \\*/\r\n  function Interactable(element, options){\r\n    this._element = element;\r\n    this._iEvents = this._iEvents || {};\r\n\r\n    var _window;\r\n\r\n    if (trySelector(element)){\r\n      this.selector = element;\r\n\r\n      var context = options && options.context;\r\n\r\n      _window = context ? getWindow(context) : window;\r\n\r\n      if (context && (_window.Node\r\n                    ? context instanceof _window.Node\r\n                    : (isElement(context) || context === _window.document))){\r\n        this._context = context;\r\n      }\r\n    }\r\n    else {\r\n      _window = getWindow(element);\r\n\r\n      if (isElement(element, _window)){\r\n        if (supportsPointerEvent){\r\n          events.add(this._element, pEventTypes.down, listeners.pointerDown);\r\n          events.add(this._element, pEventTypes.move, listeners.pointerHover);\r\n        }\r\n        else {\r\n          events.add(this._element, 'mousedown', listeners.pointerDown);\r\n          events.add(this._element, 'mousemove', listeners.pointerHover);\r\n          events.add(this._element, 'touchstart', listeners.pointerDown);\r\n          events.add(this._element, 'touchmove', listeners.pointerHover);\r\n        }\r\n      }\r\n    }\r\n\r\n    this._doc = _window.document;\r\n\r\n    if (!contains(documents, this._doc)){\r\n      listenToDocument(this._doc);\r\n    }\r\n\r\n    interactables.push(this);\r\n\r\n    this.set(options);\r\n  }\r\n\r\n  Interactable.prototype = {\r\n    setOnEvents: function(action, phases){\r\n      if (action === 'drop'){\r\n        if (isFunction(phases.ondrop)){ this.ondrop = phases.ondrop; }\r\n        if (isFunction(phases.ondropactivate)){ this.ondropactivate = phases.ondropactivate; }\r\n        if (isFunction(phases.ondropdeactivate)){ this.ondropdeactivate = phases.ondropdeactivate; }\r\n        if (isFunction(phases.ondragenter)){ this.ondragenter = phases.ondragenter; }\r\n        if (isFunction(phases.ondragleave)){ this.ondragleave = phases.ondragleave; }\r\n        if (isFunction(phases.ondropmove)){ this.ondropmove = phases.ondropmove; }\r\n      }\r\n      else {\r\n        action = 'on' + action;\r\n\r\n        if (isFunction(phases.onstart)){ this[action + 'start' ] = phases.onstart; }\r\n        if (isFunction(phases.onmove)){ this[action + 'move' ] = phases.onmove; }\r\n        if (isFunction(phases.onend)){ this[action + 'end' ] = phases.onend; }\r\n        if (isFunction(phases.oninertiastart)){ this[action + 'inertiastart' ] = phases.oninertiastart; }\r\n      }\r\n\r\n      return this;\r\n    },\r\n\r\n        /* \\\r\n         * Interactable.draggable\r\n         [ method ]\r\n         *\r\n         * Gets or sets whether drag actions can be performed on the\r\n         * Interactable\r\n         *\r\n         = (boolean) Indicates if this can be the target of drag events\r\n         | var isDraggable = interact('ul li').draggable();\r\n         * or\r\n         - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\r\n         = (object) This Interactable\r\n         | interact(element).draggable({\r\n         |     onstart: function (event) {},\r\n         |     onmove : function (event) {},\r\n         |     onend  : function (event) {},\r\n         |\r\n         |     // the axis in which the first movement must be\r\n         |     // for the drag sequence to start\r\n         |     // 'xy' by default - any direction\r\n         |     axis: 'x' || 'y' || 'xy',\r\n         |\r\n         |     // max number of drags that can happen concurrently\r\n         |     // with elements of this Interactable. Infinity by default\r\n         |     max: Infinity,\r\n         |\r\n         |     // max number of drags that can target the same element+Interactable\r\n         |     // 1 by default\r\n         |     maxPerElement: 2\r\n         | });\r\n        \\*/\r\n    draggable: function(options){\r\n      if (isObject(options)){\r\n        this.options.drag.enabled = options.enabled === false ? false : true;\r\n        this.setPerAction('drag', options);\r\n        this.setOnEvents('drag', options);\r\n\r\n        if (/^x$|^y$|^xy$/.test(options.axis)){\r\n          this.options.drag.axis = options.axis;\r\n        }\r\n        else if (options.axis === null){\r\n          delete this.options.drag.axis;\r\n        }\r\n\r\n        return this;\r\n      }\r\n\r\n      if (isBool(options)){\r\n        this.options.drag.enabled = options;\r\n\r\n        return this;\r\n      }\r\n\r\n      return this.options.drag;\r\n    },\r\n\r\n    setPerAction: function(action, options){\r\n            // for all the default per-action options\r\n      for (var option in options){\r\n                // if this option exists for this action\r\n        if (option in defaultOptions[action]){\r\n                    // if the option in the options arg is an object value\r\n          if (isObject(options[option])){\r\n                        // duplicate the object\r\n            this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\r\n\r\n            if (isObject(defaultOptions.perAction[option]) && 'enabled' in defaultOptions.perAction[option]){\r\n              this.options[action][option].enabled = options[option].enabled === false ? false : true;\r\n            }\r\n          }\r\n          else if (isBool(options[option]) && isObject(defaultOptions.perAction[option])){\r\n            this.options[action][option].enabled = options[option];\r\n          }\r\n                    else if (options[option] !== undefined){\r\n                        // or if it's not undefined, do a plain assignment\r\n                      this.options[action][option] = options[option];\r\n                    }\r\n        }\r\n      }\r\n    },\r\n\r\n        /* \\\r\n         * Interactable.dropzone\r\n         [ method ]\r\n         *\r\n         * Returns or sets whether elements can be dropped onto this\r\n         * Interactable to trigger drop events\r\n         *\r\n         * Dropzones can receive the following events:\r\n         *  - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\r\n         *  - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\r\n         *  - `dragmove` when a draggable that has entered the dropzone is moved\r\n         *  - `drop` when a draggable is dropped into this dropzone\r\n         *\r\n         *  Use the `accept` option to allow only elements that match the given CSS selector or element.\r\n         *\r\n         *  Use the `overlap` option to set how drops are checked for. The allowed values are:\r\n         *   - `'pointer'`, the pointer must be over the dropzone (default)\r\n         *   - `'center'`, the draggable element's center must be over the dropzone\r\n         *   - a number from 0-1 which is the `(intersection area) / (draggable area)`.\r\n         *       e.g. `0.5` for drop to happen when half of the area of the\r\n         *       draggable is over the dropzone\r\n         *\r\n         - options (boolean | object | null) #optional The new value to be set.\r\n         | interact('.drop').dropzone({\r\n         |   accept: '.can-drop' || document.getElementById('single-drop'),\r\n         |   overlap: 'pointer' || 'center' || zeroToOne\r\n         | }\r\n         = (boolean | object) The current setting or this Interactable\r\n        \\*/\r\n    dropzone: function(options){\r\n      if (isObject(options)){\r\n        this.options.drop.enabled = options.enabled === false ? false : true;\r\n        this.setOnEvents('drop', options);\r\n\r\n        if (/^(pointer|center)$/.test(options.overlap)){\r\n          this.options.drop.overlap = options.overlap;\r\n        }\r\n        else if (isNumber(options.overlap)){\r\n          this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\r\n        }\r\n        if ('accept' in options){\r\n          this.options.drop.accept = options.accept;\r\n        }\r\n        if ('checker' in options){\r\n          this.options.drop.checker = options.checker;\r\n        }\r\n\r\n        return this;\r\n      }\r\n\r\n      if (isBool(options)){\r\n        this.options.drop.enabled = options;\r\n\r\n        return this;\r\n      }\r\n\r\n      return this.options.drop;\r\n    },\r\n\r\n    dropCheck: function(dragEvent, event, draggable, draggableElement, dropElement, rect){\r\n      var dropped = false;\r\n\r\n            // if the dropzone has no rect (eg. display: none)\r\n            // call the custom dropChecker or just return false\r\n      if (!(rect = rect || this.getRect(dropElement))){\r\n        return (this.options.drop.checker\r\n                    ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\r\n                    : false);\r\n      }\r\n\r\n      var dropOverlap = this.options.drop.overlap;\r\n\r\n      if (dropOverlap === 'pointer'){\r\n        var page = getPageXY(dragEvent),\r\n          origin = getOriginXY(draggable, draggableElement),\r\n          horizontal,\r\n          vertical;\r\n\r\n        page.x += origin.x;\r\n        page.y += origin.y;\r\n\r\n        horizontal = (page.x > rect.left) && (page.x < rect.right);\r\n        vertical = (page.y > rect.top) && (page.y < rect.bottom);\r\n\r\n        dropped = horizontal && vertical;\r\n      }\r\n\r\n      var dragRect = draggable.getRect(draggableElement);\r\n\r\n      if (dropOverlap === 'center'){\r\n        var cx = dragRect.left + dragRect.width / 2,\r\n          cy = dragRect.top + dragRect.height / 2;\r\n\r\n        dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\r\n      }\r\n\r\n      if (isNumber(dropOverlap)){\r\n        var overlapArea = (Math.max(0, Math.min(rect.right, dragRect.right) - Math.max(rect.left, dragRect.left))\r\n                                  * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top, dragRect.top))),\r\n          overlapRatio = overlapArea / (dragRect.width * dragRect.height);\r\n\r\n        dropped = overlapRatio >= dropOverlap;\r\n      }\r\n\r\n      if (this.options.drop.checker){\r\n        dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\r\n      }\r\n\r\n      return dropped;\r\n    },\r\n\r\n        /* \\\r\n         * Interactable.dropChecker\r\n         [ method ]\r\n         *\r\n         * DEPRECATED. Use interactable.dropzone({ checker: function... }) instead.\r\n         *\r\n         * Gets or sets the function used to check if a dragged element is\r\n         * over this Interactable.\r\n         *\r\n         - checker (function) #optional The function that will be called when checking for a drop\r\n         = (Function | Interactable) The checker function or this Interactable\r\n         *\r\n         * The checker function takes the following arguments:\r\n         *\r\n         - dragEvent (InteractEvent) The related dragmove or dragend event\r\n         - event (TouchEvent | PointerEvent | MouseEvent) The user move/up/end Event related to the dragEvent\r\n         - dropped (boolean) The value from the default drop checker\r\n         - dropzone (Interactable) The dropzone interactable\r\n         - dropElement (Element) The dropzone element\r\n         - draggable (Interactable) The Interactable being dragged\r\n         - draggableElement (Element) The actual element that's being dragged\r\n         *\r\n         > Usage:\r\n         | interact(target)\r\n         | .dropChecker(function(dragEvent,         // related dragmove or dragend event\r\n         |                       event,             // TouchEvent/PointerEvent/MouseEvent\r\n         |                       dropped,           // bool result of the default checker\r\n         |                       dropzone,          // dropzone Interactable\r\n         |                       dropElement,       // dropzone elemnt\r\n         |                       draggable,         // draggable Interactable\r\n         |                       draggableElement) {// draggable element\r\n         |\r\n         |   return dropped && event.target.hasAttribute('allow-drop');\r\n         | }\r\n        \\*/\r\n    dropChecker: function(checker){\r\n      if (isFunction(checker)){\r\n        this.options.drop.checker = checker;\r\n\r\n        return this;\r\n      }\r\n      if (checker === null){\r\n        delete this.options.getRect;\r\n\r\n        return this;\r\n      }\r\n\r\n      return this.options.drop.checker;\r\n    },\r\n\r\n        /* \\\r\n         * Interactable.accept\r\n         [ method ]\r\n         *\r\n         * Deprecated. add an `accept` property to the options object passed to\r\n         * @Interactable.dropzone instead.\r\n         *\r\n         * Gets or sets the Element or CSS selector match that this\r\n         * Interactable accepts if it is a dropzone.\r\n         *\r\n         - newValue (Element | string | null) #optional\r\n         * If it is an Element, then only that element can be dropped into this dropzone.\r\n         * If it is a string, the element being dragged must match it as a selector.\r\n         * If it is null, the accept options is cleared - it accepts any element.\r\n         *\r\n         = (string | Element | null | Interactable) The current accept option if given `undefined` or this Interactable\r\n        \\*/\r\n    accept: function(newValue){\r\n      if (isElement(newValue)){\r\n        this.options.drop.accept = newValue;\r\n\r\n        return this;\r\n      }\r\n\r\n            // test if it is a valid CSS selector\r\n      if (trySelector(newValue)){\r\n        this.options.drop.accept = newValue;\r\n\r\n        return this;\r\n      }\r\n\r\n      if (newValue === null){\r\n        delete this.options.drop.accept;\r\n\r\n        return this;\r\n      }\r\n\r\n      return this.options.drop.accept;\r\n    },\r\n\r\n        /* \\\r\n         * Interactable.resizable\r\n         [ method ]\r\n         *\r\n         * Gets or sets whether resize actions can be performed on the\r\n         * Interactable\r\n         *\r\n         = (boolean) Indicates if this can be the target of resize elements\r\n         | var isResizeable = interact('input[type=text]').resizable();\r\n         * or\r\n         - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\r\n         = (object) This Interactable\r\n         | interact(element).resizable({\r\n         |     onstart: function (event) {},\r\n         |     onmove : function (event) {},\r\n         |     onend  : function (event) {},\r\n         |\r\n         |     edges: {\r\n         |       top   : true,       // Use pointer coords to check for resize.\r\n         |       left  : false,      // Disable resizing from left edge.\r\n         |       bottom: '.resize-s',// Resize if pointer target matches selector\r\n         |       right : handleEl    // Resize if pointer target is the given Element\r\n         |     },\r\n         |\r\n         |     // Width and height can be adjusted independently. When `true`, width and\r\n         |     // height are adjusted at a 1:1 ratio.\r\n         |     square: false,\r\n         |\r\n         |     // Width and height can be adjusted independently. When `true`, width and\r\n         |     // height maintain the aspect ratio they had when resizing started.\r\n         |     preserveAspectRatio: false,\r\n         |\r\n         |     // a value of 'none' will limit the resize rect to a minimum of 0x0\r\n         |     // 'negate' will allow the rect to have negative width/height\r\n         |     // 'reposition' will keep the width/height positive by swapping\r\n         |     // the top and bottom edges and/or swapping the left and right edges\r\n         |     invert: 'none' || 'negate' || 'reposition'\r\n         |\r\n         |     // limit multiple resizes.\r\n         |     // See the explanation in the @Interactable.draggable example\r\n         |     max: Infinity,\r\n         |     maxPerElement: 1,\r\n         | });\r\n        \\*/\r\n    resizable: function(options){\r\n      if (isObject(options)){\r\n        this.options.resize.enabled = options.enabled === false ? false : true;\r\n        this.setPerAction('resize', options);\r\n        this.setOnEvents('resize', options);\r\n\r\n        if (/^x$|^y$|^xy$/.test(options.axis)){\r\n          this.options.resize.axis = options.axis;\r\n        }\r\n        else if (options.axis === null){\r\n          this.options.resize.axis = defaultOptions.resize.axis;\r\n        }\r\n\r\n        if (isBool(options.preserveAspectRatio)){\r\n          this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\r\n        }\r\n        else if (isBool(options.square)){\r\n          this.options.resize.square = options.square;\r\n        }\r\n\r\n        return this;\r\n      }\r\n      if (isBool(options)){\r\n        this.options.resize.enabled = options;\r\n\r\n        return this;\r\n      }\r\n      return this.options.resize;\r\n    },\r\n\r\n        /* \\\r\n         * Interactable.squareResize\r\n         [ method ]\r\n         *\r\n         * Deprecated. Add a `square: true || false` property to @Interactable.resizable instead\r\n         *\r\n         * Gets or sets whether resizing is forced 1:1 aspect\r\n         *\r\n         = (boolean) Current setting\r\n         *\r\n         * or\r\n         *\r\n         - newValue (boolean) #optional\r\n         = (object) this Interactable\r\n        \\*/\r\n    squareResize: function(newValue){\r\n      if (isBool(newValue)){\r\n        this.options.resize.square = newValue;\r\n\r\n        return this;\r\n      }\r\n\r\n      if (newValue === null){\r\n        delete this.options.resize.square;\r\n\r\n        return this;\r\n      }\r\n\r\n      return this.options.resize.square;\r\n    },\r\n\r\n        /* \\\r\n         * Interactable.gesturable\r\n         [ method ]\r\n         *\r\n         * Gets or sets whether multitouch gestures can be performed on the\r\n         * Interactable's element\r\n         *\r\n         = (boolean) Indicates if this can be the target of gesture events\r\n         | var isGestureable = interact(element).gesturable();\r\n         * or\r\n         - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\r\n         = (object) this Interactable\r\n         | interact(element).gesturable({\r\n         |     onstart: function (event) {},\r\n         |     onmove : function (event) {},\r\n         |     onend  : function (event) {},\r\n         |\r\n         |     // limit multiple gestures.\r\n         |     // See the explanation in @Interactable.draggable example\r\n         |     max: Infinity,\r\n         |     maxPerElement: 1,\r\n         | });\r\n        \\*/\r\n    gesturable: function(options){\r\n      if (isObject(options)){\r\n        this.options.gesture.enabled = options.enabled === false ? false : true;\r\n        this.setPerAction('gesture', options);\r\n        this.setOnEvents('gesture', options);\r\n\r\n        return this;\r\n      }\r\n\r\n      if (isBool(options)){\r\n        this.options.gesture.enabled = options;\r\n\r\n        return this;\r\n      }\r\n\r\n      return this.options.gesture;\r\n    },\r\n\r\n        /* \\\r\n         * Interactable.autoScroll\r\n         [ method ]\r\n         **\r\n         * Deprecated. Add an `autoscroll` property to the options object\r\n         * passed to @Interactable.draggable or @Interactable.resizable instead.\r\n         *\r\n         * Returns or sets whether dragging and resizing near the edges of the\r\n         * window/container trigger autoScroll for this Interactable\r\n         *\r\n         = (object) Object with autoScroll properties\r\n         *\r\n         * or\r\n         *\r\n         - options (object | boolean) #optional\r\n         * options can be:\r\n         * - an object with margin, distance and interval properties,\r\n         * - true or false to enable or disable autoScroll or\r\n         = (Interactable) this Interactable\r\n        \\*/\r\n    autoScroll: function(options){\r\n      if (isObject(options)){\r\n        options = extend({ actions: ['drag', 'resize']}, options);\r\n      }\r\n      else if (isBool(options)){\r\n        options = { actions: ['drag', 'resize'], enabled: options };\r\n      }\r\n\r\n      return this.setOptions('autoScroll', options);\r\n    },\r\n\r\n        /* \\\r\n         * Interactable.snap\r\n         [ method ]\r\n         **\r\n         * Deprecated. Add a `snap` property to the options object passed\r\n         * to @Interactable.draggable or @Interactable.resizable instead.\r\n         *\r\n         * Returns or sets if and how action coordinates are snapped. By\r\n         * default, snapping is relative to the pointer coordinates. You can\r\n         * change this by setting the\r\n         * [`elementOrigin`](https://github.com/taye/interact.js/pull/72).\r\n         **\r\n         = (boolean | object) `false` if snap is disabled; object with snap properties if snap is enabled\r\n         **\r\n         * or\r\n         **\r\n         - options (object | boolean | null) #optional\r\n         = (Interactable) this Interactable\r\n         > Usage\r\n         | interact(document.querySelector('#thing')).snap({\r\n         |     targets: [\r\n         |         // snap to this specific point\r\n         |         {\r\n         |             x: 100,\r\n         |             y: 100,\r\n         |             range: 25\r\n         |         },\r\n         |         // give this function the x and y page coords and snap to the object returned\r\n         |         function (x, y) {\r\n         |             return {\r\n         |                 x: x,\r\n         |                 y: (75 + 50 * Math.sin(x * 0.04)),\r\n         |                 range: 40\r\n         |             };\r\n         |         },\r\n         |         // create a function that snaps to a grid\r\n         |         interact.createSnapGrid({\r\n         |             x: 50,\r\n         |             y: 50,\r\n         |             range: 10,              // optional\r\n         |             offset: { x: 5, y: 10 } // optional\r\n         |         })\r\n         |     ],\r\n         |     // do not snap during normal movement.\r\n         |     // Instead, trigger only one snapped move event\r\n         |     // immediately before the end event.\r\n         |     endOnly: true,\r\n         |\r\n         |     relativePoints: [\r\n         |         { x: 0, y: 0 },  // snap relative to the top left of the element\r\n         |         { x: 1, y: 1 },  // and also to the bottom right\r\n         |     ],\r\n         |\r\n         |     // offset the snap target coordinates\r\n         |     // can be an object with x/y or 'startCoords'\r\n         |     offset: { x: 50, y: 50 }\r\n         |   }\r\n         | });\r\n        \\*/\r\n    snap: function(options){\r\n      var ret = this.setOptions('snap', options);\r\n\r\n      if (ret === this){ return this; }\r\n\r\n      return ret.drag;\r\n    },\r\n\r\n    setOptions: function(option, options){\r\n      var actions = options && isArray(options.actions)\r\n                    ? options.actions\r\n                    : ['drag'];\r\n\r\n      var i;\r\n\r\n      if (isObject(options) || isBool(options)){\r\n        for (i = 0; i < actions.length; i++){\r\n          var action = /resize/.test(actions[i]) ? 'resize' : actions[i];\r\n\r\n          if (!isObject(this.options[action])){ continue; }\r\n\r\n          var thisOption = this.options[action][option];\r\n\r\n          if (isObject(options)){\r\n            extend(thisOption, options);\r\n            thisOption.enabled = options.enabled === false ? false : true;\r\n\r\n            if (option === 'snap'){\r\n              if (thisOption.mode === 'grid'){\r\n                thisOption.targets = [\r\n                  interact.createSnapGrid(extend({\r\n                    offset: thisOption.gridOffset || { x: 0, y: 0 }\r\n                  }, thisOption.grid || {}))\r\n                ];\r\n              }\r\n              else if (thisOption.mode === 'anchor'){\r\n                thisOption.targets = thisOption.anchors;\r\n              }\r\n                            else if (thisOption.mode === 'path'){\r\n                              thisOption.targets = thisOption.paths;\r\n                            }\r\n\r\n              if ('elementOrigin' in options){\r\n                thisOption.relativePoints = [options.elementOrigin];\r\n              }\r\n            }\r\n          }\r\n          else if (isBool(options)){\r\n            thisOption.enabled = options;\r\n          }\r\n        }\r\n\r\n        return this;\r\n      }\r\n\r\n      var ret = {},\r\n        allActions = ['drag', 'resize', 'gesture'];\r\n\r\n      for (i = 0; i < allActions.length; i++){\r\n        if (option in defaultOptions[allActions[i]]){\r\n          ret[allActions[i]] = this.options[allActions[i]][option];\r\n        }\r\n      }\r\n\r\n      return ret;\r\n    },\r\n\r\n        /* \\\r\n         * Interactable.inertia\r\n         [ method ]\r\n         **\r\n         * Deprecated. Add an `inertia` property to the options object passed\r\n         * to @Interactable.draggable or @Interactable.resizable instead.\r\n         *\r\n         * Returns or sets if and how events continue to run after the pointer is released\r\n         **\r\n         = (boolean | object) `false` if inertia is disabled; `object` with inertia properties if inertia is enabled\r\n         **\r\n         * or\r\n         **\r\n         - options (object | boolean | null) #optional\r\n         = (Interactable) this Interactable\r\n         > Usage\r\n         | // enable and use default settings\r\n         | interact(element).inertia(true);\r\n         |\r\n         | // enable and use custom settings\r\n         | interact(element).inertia({\r\n         |     // value greater than 0\r\n         |     // high values slow the object down more quickly\r\n         |     resistance     : 16,\r\n         |\r\n         |     // the minimum launch speed (pixels per second) that results in inertia start\r\n         |     minSpeed       : 200,\r\n         |\r\n         |     // inertia will stop when the object slows down to this speed\r\n         |     endSpeed       : 20,\r\n         |\r\n         |     // boolean; should actions be resumed when the pointer goes down during inertia\r\n         |     allowResume    : true,\r\n         |\r\n         |     // boolean; should the jump when resuming from inertia be ignored in event.dx/dy\r\n         |     zeroResumeDelta: false,\r\n         |\r\n         |     // if snap/restrict are set to be endOnly and inertia is enabled, releasing\r\n         |     // the pointer without triggering inertia will animate from the release\r\n         |     // point to the snaped/restricted point in the given amount of time (ms)\r\n         |     smoothEndDuration: 300,\r\n         |\r\n         |     // an array of action types that can have inertia (no gesture)\r\n         |     actions        : ['drag', 'resize']\r\n         | });\r\n         |\r\n         | // reset custom settings and use all defaults\r\n         | interact(element).inertia(null);\r\n        \\*/\r\n    inertia: function(options){\r\n      var ret = this.setOptions('inertia', options);\r\n\r\n      if (ret === this){ return this; }\r\n\r\n      return ret.drag;\r\n    },\r\n\r\n    getAction: function(pointer, event, interaction, element){\r\n      var action = this.defaultActionChecker(pointer, interaction, element);\r\n\r\n      if (this.options.actionChecker){\r\n        return this.options.actionChecker(pointer, event, action, this, element, interaction);\r\n      }\r\n\r\n      return action;\r\n    },\r\n\r\n    defaultActionChecker: defaultActionChecker,\r\n\r\n        /* \\\r\n         * Interactable.actionChecker\r\n         [ method ]\r\n         *\r\n         * Gets or sets the function used to check action to be performed on\r\n         * pointerDown\r\n         *\r\n         - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\r\n         = (Function | Interactable) The checker function or this Interactable\r\n         *\r\n         | interact('.resize-drag')\r\n         |   .resizable(true)\r\n         |   .draggable(true)\r\n         |   .actionChecker(function (pointer, event, action, interactable, element, interaction) {\r\n         |\r\n         |   if (interact.matchesSelector(event.target, '.drag-handle') {\r\n         |     // force drag with handle target\r\n         |     action.name = drag;\r\n         |   }\r\n         |   else {\r\n         |     // resize from the top and right edges\r\n         |     action.name  = 'resize';\r\n         |     action.edges = { top: true, right: true };\r\n         |   }\r\n         |\r\n         |   return action;\r\n         | });\r\n        \\*/\r\n    actionChecker: function(checker){\r\n      if (isFunction(checker)){\r\n        this.options.actionChecker = checker;\r\n\r\n        return this;\r\n      }\r\n\r\n      if (checker === null){\r\n        delete this.options.actionChecker;\r\n\r\n        return this;\r\n      }\r\n\r\n      return this.options.actionChecker;\r\n    },\r\n\r\n        /* \\\r\n         * Interactable.getRect\r\n         [ method ]\r\n         *\r\n         * The default function to get an Interactables bounding rect. Can be\r\n         * overridden using @Interactable.rectChecker.\r\n         *\r\n         - element (Element) #optional The element to measure.\r\n         = (object) The object's bounding rectangle.\r\n         o {\r\n         o     top   : 0,\r\n         o     left  : 0,\r\n         o     bottom: 0,\r\n         o     right : 0,\r\n         o     width : 0,\r\n         o     height: 0\r\n         o }\r\n        \\*/\r\n    getRect: function rectCheck(element){\r\n      element = element || this._element;\r\n\r\n      if (this.selector && !(isElement(element))){\r\n        element = this._context.querySelector(this.selector);\r\n      }\r\n\r\n      return getElementRect(element);\r\n    },\r\n\r\n        /* \\\r\n         * Interactable.rectChecker\r\n         [ method ]\r\n         *\r\n         * Returns or sets the function used to calculate the interactable's\r\n         * element's rectangle\r\n         *\r\n         - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\r\n         = (function | object) The checker function or this Interactable\r\n        \\*/\r\n    rectChecker: function(checker){\r\n      if (isFunction(checker)){\r\n        this.getRect = checker;\r\n\r\n        return this;\r\n      }\r\n\r\n      if (checker === null){\r\n        delete this.options.getRect;\r\n\r\n        return this;\r\n      }\r\n\r\n      return this.getRect;\r\n    },\r\n\r\n        /* \\\r\n         * Interactable.styleCursor\r\n         [ method ]\r\n         *\r\n         * Returns or sets whether the action that would be performed when the\r\n         * mouse on the element are checked on `mousemove` so that the cursor\r\n         * may be styled appropriately\r\n         *\r\n         - newValue (boolean) #optional\r\n         = (boolean | Interactable) The current setting or this Interactable\r\n        \\*/\r\n    styleCursor: function(newValue){\r\n      if (isBool(newValue)){\r\n        this.options.styleCursor = newValue;\r\n\r\n        return this;\r\n      }\r\n\r\n      if (newValue === null){\r\n        delete this.options.styleCursor;\r\n\r\n        return this;\r\n      }\r\n\r\n      return this.options.styleCursor;\r\n    },\r\n\r\n        /* \\\r\n         * Interactable.preventDefault\r\n         [ method ]\r\n         *\r\n         * Returns or sets whether to prevent the browser's default behaviour\r\n         * in response to pointer events. Can be set to:\r\n         *  - `'always'` to always prevent\r\n         *  - `'never'` to never prevent\r\n         *  - `'auto'` to let interact.js try to determine what would be best\r\n         *\r\n         - newValue (string) #optional `true`, `false` or `'auto'`\r\n         = (string | Interactable) The current setting or this Interactable\r\n        \\*/\r\n    preventDefault: function(newValue){\r\n      if (/^(always|never|auto)$/.test(newValue)){\r\n        this.options.preventDefault = newValue;\r\n        return this;\r\n      }\r\n\r\n      if (isBool(newValue)){\r\n        this.options.preventDefault = newValue ? 'always' : 'never';\r\n        return this;\r\n      }\r\n\r\n      return this.options.preventDefault;\r\n    },\r\n\r\n        /* \\\r\n         * Interactable.origin\r\n         [ method ]\r\n         *\r\n         * Gets or sets the origin of the Interactable's element.  The x and y\r\n         * of the origin will be subtracted from action event coordinates.\r\n         *\r\n         - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\r\n         * OR\r\n         - origin (Element) #optional An HTML or SVG Element whose rect will be used\r\n         **\r\n         = (object) The current origin or this Interactable\r\n        \\*/\r\n    origin: function(newValue){\r\n      if (trySelector(newValue)){\r\n        this.options.origin = newValue;\r\n        return this;\r\n      }\r\n      else if (isObject(newValue)){\r\n        this.options.origin = newValue;\r\n        return this;\r\n      }\r\n\r\n      return this.options.origin;\r\n    },\r\n\r\n        /* \\\r\n         * Interactable.deltaSource\r\n         [ method ]\r\n         *\r\n         * Returns or sets the mouse coordinate types used to calculate the\r\n         * movement of the pointer.\r\n         *\r\n         - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\r\n         = (string | object) The current deltaSource or this Interactable\r\n        \\*/\r\n    deltaSource: function(newValue){\r\n      if (newValue === 'page' || newValue === 'client'){\r\n        this.options.deltaSource = newValue;\r\n\r\n        return this;\r\n      }\r\n\r\n      return this.options.deltaSource;\r\n    },\r\n\r\n        /* \\\r\n         * Interactable.restrict\r\n         [ method ]\r\n         **\r\n         * Deprecated. Add a `restrict` property to the options object passed to\r\n         * @Interactable.draggable, @Interactable.resizable or @Interactable.gesturable instead.\r\n         *\r\n         * Returns or sets the rectangles within which actions on this\r\n         * interactable (after snap calculations) are restricted. By default,\r\n         * restricting is relative to the pointer coordinates. You can change\r\n         * this by setting the\r\n         * [`elementRect`](https://github.com/taye/interact.js/pull/72).\r\n         **\r\n         - options (object) #optional an object with keys drag, resize, and/or gesture whose values are rects, Elements, CSS selectors, or 'parent' or 'self'\r\n         = (object) The current restrictions object or this Interactable\r\n         **\r\n         | interact(element).restrict({\r\n         |     // the rect will be `interact.getElementRect(element.parentNode)`\r\n         |     drag: element.parentNode,\r\n         |\r\n         |     // x and y are relative to the the interactable's origin\r\n         |     resize: { x: 100, y: 100, width: 200, height: 200 }\r\n         | })\r\n         |\r\n         | interact('.draggable').restrict({\r\n         |     // the rect will be the selected element's parent\r\n         |     drag: 'parent',\r\n         |\r\n         |     // do not restrict during normal movement.\r\n         |     // Instead, trigger only one restricted move event\r\n         |     // immediately before the end event.\r\n         |     endOnly: true,\r\n         |\r\n         |     // https://github.com/taye/interact.js/pull/72#issue-41813493\r\n         |     elementRect: { top: 0, left: 0, bottom: 1, right: 1 }\r\n         | });\r\n        \\*/\r\n    restrict: function(options){\r\n      if (!isObject(options)){\r\n        return this.setOptions('restrict', options);\r\n      }\r\n\r\n      var actions = ['drag', 'resize', 'gesture'],\r\n        ret;\r\n\r\n      for (var i = 0; i < actions.length; i++){\r\n        var action = actions[i];\r\n\r\n        if (action in options){\r\n          var perAction = extend({\r\n            actions: [action],\r\n            restriction: options[action]\r\n          }, options);\r\n\r\n          ret = this.setOptions('restrict', perAction);\r\n        }\r\n      }\r\n\r\n      return ret;\r\n    },\r\n\r\n        /* \\\r\n         * Interactable.context\r\n         [ method ]\r\n         *\r\n         * Gets the selector context Node of the Interactable. The default is `window.document`.\r\n         *\r\n         = (Node) The context Node of this Interactable\r\n         **\r\n        \\*/\r\n    context: function(){\r\n      return this._context;\r\n    },\r\n\r\n    _context: document,\r\n\r\n        /* \\\r\n         * Interactable.ignoreFrom\r\n         [ method ]\r\n         *\r\n         * If the target of the `mousedown`, `pointerdown` or `touchstart`\r\n         * event or any of it's parents match the given CSS selector or\r\n         * Element, no drag/resize/gesture is started.\r\n         *\r\n         - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\r\n         = (string | Element | object) The current ignoreFrom value or this Interactable\r\n         **\r\n         | interact(element, { ignoreFrom: document.getElementById('no-action') });\r\n         | // or\r\n         | interact(element).ignoreFrom('input, textarea, a');\r\n        \\*/\r\n    ignoreFrom: function(newValue){\r\n      if (trySelector(newValue)){            // CSS selector to match event.target\r\n        this.options.ignoreFrom = newValue;\r\n        return this;\r\n      }\r\n\r\n      if (isElement(newValue)){              // specific element\r\n        this.options.ignoreFrom = newValue;\r\n        return this;\r\n      }\r\n\r\n      return this.options.ignoreFrom;\r\n    },\r\n\r\n        /* \\\r\n         * Interactable.allowFrom\r\n         [ method ]\r\n         *\r\n         * A drag/resize/gesture is started only If the target of the\r\n         * `mousedown`, `pointerdown` or `touchstart` event or any of it's\r\n         * parents match the given CSS selector or Element.\r\n         *\r\n         - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\r\n         = (string | Element | object) The current allowFrom value or this Interactable\r\n         **\r\n         | interact(element, { allowFrom: document.getElementById('drag-handle') });\r\n         | // or\r\n         | interact(element).allowFrom('.handle');\r\n        \\*/\r\n    allowFrom: function(newValue){\r\n      if (trySelector(newValue)){            // CSS selector to match event.target\r\n        this.options.allowFrom = newValue;\r\n        return this;\r\n      }\r\n\r\n      if (isElement(newValue)){              // specific element\r\n        this.options.allowFrom = newValue;\r\n        return this;\r\n      }\r\n\r\n      return this.options.allowFrom;\r\n    },\r\n\r\n        /* \\\r\n         * Interactable.element\r\n         [ method ]\r\n         *\r\n         * If this is not a selector Interactable, it returns the element this\r\n         * interactable represents\r\n         *\r\n         = (Element) HTML / SVG Element\r\n        \\*/\r\n    element: function(){\r\n      return this._element;\r\n    },\r\n\r\n        /* \\\r\n         * Interactable.fire\r\n         [ method ]\r\n         *\r\n         * Calls listeners for the given InteractEvent type bound globally\r\n         * and directly to this Interactable\r\n         *\r\n         - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\r\n         = (Interactable) this Interactable\r\n        \\*/\r\n    fire: function(iEvent){\r\n      if (!(iEvent && iEvent.type) || !contains(eventTypes, iEvent.type)){\r\n        return this;\r\n      }\r\n\r\n      var listeners,\r\n        i,\r\n        len,\r\n        onEvent = 'on' + iEvent.type,\r\n        funcName = '';\r\n\r\n            // Interactable#on() listeners\r\n      if (iEvent.type in this._iEvents){\r\n        listeners = this._iEvents[iEvent.type];\r\n\r\n        for (i = 0, len = listeners.length; i < len && !iEvent.immediatePropagationStopped; i++){\r\n          funcName = listeners[i].name;\r\n          listeners[i](iEvent);\r\n        }\r\n      }\r\n\r\n            // interactable.onevent listener\r\n      if (isFunction(this[onEvent])){\r\n        funcName = this[onEvent].name;\r\n        this[onEvent](iEvent);\r\n      }\r\n\r\n            // interact.on() listeners\r\n      if (iEvent.type in globalEvents && (listeners = globalEvents[iEvent.type])){\r\n        for (i = 0, len = listeners.length; i < len && !iEvent.immediatePropagationStopped; i++){\r\n          funcName = listeners[i].name;\r\n          listeners[i](iEvent);\r\n        }\r\n      }\r\n\r\n      return this;\r\n    },\r\n\r\n        /* \\\r\n         * Interactable.on\r\n         [ method ]\r\n         *\r\n         * Binds a listener for an InteractEvent or DOM event.\r\n         *\r\n         - eventType  (string | array | object) The types of events to listen for\r\n         - listener   (function) The function to be called on the given event(s)\r\n         - useCapture (boolean) #optional useCapture flag for addEventListener\r\n         = (object) This Interactable\r\n        \\*/\r\n    on: function(eventType, listener, useCapture){\r\n      var i;\r\n\r\n      if (isString(eventType) && eventType.search(' ') !== -1){\r\n        eventType = eventType.trim().split(/ +/);\r\n      }\r\n\r\n      if (isArray(eventType)){\r\n        for (i = 0; i < eventType.length; i++){\r\n          this.on(eventType[i], listener, useCapture);\r\n        }\r\n\r\n        return this;\r\n      }\r\n\r\n      if (isObject(eventType)){\r\n        for (var prop in eventType){\r\n          this.on(prop, eventType[prop], listener);\r\n        }\r\n\r\n        return this;\r\n      }\r\n\r\n      if (eventType === 'wheel'){\r\n        eventType = wheelEvent;\r\n      }\r\n\r\n            // convert to boolean\r\n      useCapture = useCapture ? true : false;\r\n\r\n      if (contains(eventTypes, eventType)){\r\n                // if this type of event was never bound to this Interactable\r\n        if (!(eventType in this._iEvents)){\r\n          this._iEvents[eventType] = [listener];\r\n        }\r\n        else {\r\n          this._iEvents[eventType].push(listener);\r\n        }\r\n      }\r\n            // delegated event for selector\r\n      else if (this.selector){\r\n        if (!delegatedEvents[eventType]){\r\n          delegatedEvents[eventType] = {\r\n            selectors: [],\r\n            contexts: [],\r\n            listeners: []\r\n          };\r\n\r\n                    // add delegate listener functions\r\n          for (i = 0; i < documents.length; i++){\r\n            events.add(documents[i], eventType, delegateListener);\r\n            events.add(documents[i], eventType, delegateUseCapture, true);\r\n          }\r\n        }\r\n\r\n        var delegated = delegatedEvents[eventType],\r\n          index;\r\n\r\n        for (index = delegated.selectors.length - 1; index >= 0; index--){\r\n          if (delegated.selectors[index] === this.selector\r\n                        && delegated.contexts[index] === this._context){\r\n            break;\r\n          }\r\n        }\r\n\r\n        if (index === -1){\r\n          index = delegated.selectors.length;\r\n\r\n          delegated.selectors.push(this.selector);\r\n          delegated.contexts.push(this._context);\r\n          delegated.listeners.push([]);\r\n        }\r\n\r\n                // keep listener and useCapture flag\r\n        delegated.listeners[index].push([listener, useCapture]);\r\n      }\r\n            else {\r\n        events.add(this._element, eventType, listener, useCapture);\r\n      }\r\n\r\n      return this;\r\n    },\r\n\r\n        /* \\\r\n         * Interactable.off\r\n         [ method ]\r\n         *\r\n         * Removes an InteractEvent or DOM event listener\r\n         *\r\n         - eventType  (string | array | object) The types of events that were listened for\r\n         - listener   (function) The listener function to be removed\r\n         - useCapture (boolean) #optional useCapture flag for removeEventListener\r\n         = (object) This Interactable\r\n        \\*/\r\n    off: function(eventType, listener, useCapture){\r\n      var i;\r\n\r\n      if (isString(eventType) && eventType.search(' ') !== -1){\r\n        eventType = eventType.trim().split(/ +/);\r\n      }\r\n\r\n      if (isArray(eventType)){\r\n        for (i = 0; i < eventType.length; i++){\r\n          this.off(eventType[i], listener, useCapture);\r\n        }\r\n\r\n        return this;\r\n      }\r\n\r\n      if (isObject(eventType)){\r\n        for (var prop in eventType){\r\n          this.off(prop, eventType[prop], listener);\r\n        }\r\n\r\n        return this;\r\n      }\r\n\r\n      var eventList,\r\n        index = -1;\r\n\r\n            // convert to boolean\r\n      useCapture = useCapture ? true : false;\r\n\r\n      if (eventType === 'wheel'){\r\n        eventType = wheelEvent;\r\n      }\r\n\r\n            // if it is an action event type\r\n      if (contains(eventTypes, eventType)){\r\n        eventList = this._iEvents[eventType];\r\n\r\n        if (eventList && (index = indexOf(eventList, listener)) !== -1){\r\n          this._iEvents[eventType].splice(index, 1);\r\n        }\r\n      }\r\n            // delegated event\r\n      else if (this.selector){\r\n        var delegated = delegatedEvents[eventType],\r\n          matchFound = false;\r\n\r\n        if (!delegated){ return this; }\r\n\r\n                // count from last index of delegated to 0\r\n        for (index = delegated.selectors.length - 1; index >= 0; index--){\r\n                    // look for matching selector and context Node\r\n          if (delegated.selectors[index] === this.selector\r\n                        && delegated.contexts[index] === this._context){\r\n            var listeners = delegated.listeners[index];\r\n\r\n                        // each item of the listeners array is an array: [function, useCaptureFlag]\r\n            for (i = listeners.length - 1; i >= 0; i--){\r\n              var fn = listeners[i][0],\r\n                useCap = listeners[i][1];\r\n\r\n                            // check if the listener functions and useCapture flags match\r\n              if (fn === listener && useCap === useCapture){\r\n                                // remove the listener from the array of listeners\r\n                listeners.splice(i, 1);\r\n\r\n                                // if all listeners for this interactable have been removed\r\n                                // remove the interactable from the delegated arrays\r\n                if (!listeners.length){\r\n                  delegated.selectors.splice(index, 1);\r\n                  delegated.contexts.splice(index, 1);\r\n                  delegated.listeners.splice(index, 1);\r\n\r\n                                    // remove delegate function from context\r\n                  events.remove(this._context, eventType, delegateListener);\r\n                  events.remove(this._context, eventType, delegateUseCapture, true);\r\n\r\n                                    // remove the arrays if they are empty\r\n                  if (!delegated.selectors.length){\r\n                    delegatedEvents[eventType] = null;\r\n                  }\r\n                }\r\n\r\n                                // only remove one listener\r\n                matchFound = true;\r\n                break;\r\n              }\r\n            }\r\n\r\n            if (matchFound){ break; }\r\n          }\r\n        }\r\n      }\r\n            // remove listener from this Interatable's element\r\n            else {\r\n        events.remove(this._element, eventType, listener, useCapture);\r\n      }\r\n\r\n      return this;\r\n    },\r\n\r\n        /* \\\r\n         * Interactable.set\r\n         [ method ]\r\n         *\r\n         * Reset the options of this Interactable\r\n         - options (object) The new settings to apply\r\n         = (object) This Interactable\r\n        \\*/\r\n    set: function(options){\r\n      if (!isObject(options)){\r\n        options = {};\r\n      }\r\n\r\n      this.options = extend({}, defaultOptions.base);\r\n\r\n      var i,\r\n        actions = ['drag', 'drop', 'resize', 'gesture'],\r\n        methods = ['draggable', 'dropzone', 'resizable', 'gesturable'],\r\n        perActions = extend(extend({}, defaultOptions.perAction), options[action] || {});\r\n\r\n      for (i = 0; i < actions.length; i++){\r\n        var action = actions[i];\r\n\r\n        this.options[action] = extend({}, defaultOptions[action]);\r\n\r\n        this.setPerAction(action, perActions);\r\n\r\n        this[methods[i]](options[action]);\r\n      }\r\n\r\n      var settings = [\r\n        'accept', 'actionChecker', 'allowFrom', 'deltaSource',\r\n        'dropChecker', 'ignoreFrom', 'origin', 'preventDefault',\r\n        'rectChecker', 'styleCursor'\r\n      ];\r\n\r\n      for (i = 0, len = settings.length; i < len; i++){\r\n        var setting = settings[i];\r\n\r\n        this.options[setting] = defaultOptions.base[setting];\r\n\r\n        if (setting in options){\r\n          this[setting](options[setting]);\r\n        }\r\n      }\r\n\r\n      return this;\r\n    },\r\n\r\n        /* \\\r\n         * Interactable.unset\r\n         [ method ]\r\n         *\r\n         * Remove this interactable from the list of interactables and remove\r\n         * it's drag, drop, resize and gesture capabilities\r\n         *\r\n         = (object) @interact\r\n        \\*/\r\n    unset: function(){\r\n      events.remove(this._element, 'all');\r\n\r\n      if (!isString(this.selector)){\r\n        events.remove(this, 'all');\r\n        if (this.options.styleCursor){\r\n          this._element.style.cursor = '';\r\n        }\r\n      }\r\n      else {\r\n                // remove delegated events\r\n        for (var type in delegatedEvents){\r\n          var delegated = delegatedEvents[type];\r\n\r\n          for (var i = 0; i < delegated.selectors.length; i++){\r\n            if (delegated.selectors[i] === this.selector\r\n                            && delegated.contexts[i] === this._context){\r\n              delegated.selectors.splice(i, 1);\r\n              delegated.contexts.splice(i, 1);\r\n              delegated.listeners.splice(i, 1);\r\n\r\n                            // remove the arrays if they are empty\r\n              if (!delegated.selectors.length){\r\n                delegatedEvents[type] = null;\r\n              }\r\n            }\r\n\r\n            events.remove(this._context, type, delegateListener);\r\n            events.remove(this._context, type, delegateUseCapture, true);\r\n\r\n            break;\r\n          }\r\n        }\r\n      }\r\n\r\n      this.dropzone(false);\r\n\r\n      interactables.splice(indexOf(interactables, this), 1);\r\n\r\n      return interact;\r\n    }\r\n  };\r\n\r\n  function warnOnce(method, message){\r\n    var warned = false;\r\n\r\n    return function(){\r\n      if (!warned){\r\n        window.console.warn(message);\r\n        warned = true;\r\n      }\r\n\r\n      return method.apply(this, arguments);\r\n    };\r\n  }\r\n\r\n  Interactable.prototype.snap = warnOnce(Interactable.prototype.snap,\r\n         'Interactable#snap is deprecated. See the new documentation for snapping at http://interactjs.io/docs/snapping');\r\n  Interactable.prototype.restrict = warnOnce(Interactable.prototype.restrict,\r\n         'Interactable#restrict is deprecated. See the new documentation for resticting at http://interactjs.io/docs/restriction');\r\n  Interactable.prototype.inertia = warnOnce(Interactable.prototype.inertia,\r\n         'Interactable#inertia is deprecated. See the new documentation for inertia at http://interactjs.io/docs/inertia');\r\n  Interactable.prototype.autoScroll = warnOnce(Interactable.prototype.autoScroll,\r\n         'Interactable#autoScroll is deprecated. See the new documentation for autoScroll at http://interactjs.io/docs/#autoscroll');\r\n  Interactable.prototype.squareResize = warnOnce(Interactable.prototype.squareResize,\r\n         'Interactable#squareResize is deprecated. See http://interactjs.io/docs/#resize-square');\r\n\r\n  Interactable.prototype.accept = warnOnce(Interactable.prototype.accept,\r\n         'Interactable#accept is deprecated. use Interactable#dropzone({ accept: target }) instead');\r\n  Interactable.prototype.dropChecker = warnOnce(Interactable.prototype.dropChecker,\r\n         'Interactable#dropChecker is deprecated. use Interactable#dropzone({ dropChecker: checkerFunction }) instead');\r\n  Interactable.prototype.context = warnOnce(Interactable.prototype.context,\r\n         'Interactable#context as a method is deprecated. It will soon be a DOM Node instead');\r\n\r\n    /* \\\r\n     * interact.isSet\r\n     [ method ]\r\n     *\r\n     * Check if an element has been set\r\n     - element (Element) The Element being searched for\r\n     = (boolean) Indicates if the element or CSS selector was previously passed to interact\r\n    \\*/\r\n  interact.isSet = function(element, options){\r\n    return interactables.indexOfElement(element, options && options.context) !== -1;\r\n  };\r\n\r\n    /* \\\r\n     * interact.on\r\n     [ method ]\r\n     *\r\n     * Adds a global listener for an InteractEvent or adds a DOM event to\r\n     * `document`\r\n     *\r\n     - type       (string | array | object) The types of events to listen for\r\n     - listener   (function) The function to be called on the given event(s)\r\n     - useCapture (boolean) #optional useCapture flag for addEventListener\r\n     = (object) interact\r\n    \\*/\r\n  interact.on = function(type, listener, useCapture){\r\n    if (isString(type) && type.search(' ') !== -1){\r\n      type = type.trim().split(/ +/);\r\n    }\r\n\r\n    if (isArray(type)){\r\n      for (var i = 0; i < type.length; i++){\r\n        interact.on(type[i], listener, useCapture);\r\n      }\r\n\r\n      return interact;\r\n    }\r\n\r\n    if (isObject(type)){\r\n      for (var prop in type){\r\n        interact.on(prop, type[prop], listener);\r\n      }\r\n\r\n      return interact;\r\n    }\r\n\r\n        // if it is an InteractEvent type, add listener to globalEvents\r\n    if (contains(eventTypes, type)){\r\n            // if this type of event was never bound\r\n      if (!globalEvents[type]){\r\n        globalEvents[type] = [listener];\r\n      }\r\n      else {\r\n        globalEvents[type].push(listener);\r\n      }\r\n    }\r\n        // If non InteractEvent type, addEventListener to document\r\n    else {\r\n      events.add(document, type, listener, useCapture);\r\n    }\r\n\r\n    return interact;\r\n  };\r\n\r\n    /* \\\r\n     * interact.off\r\n     [ method ]\r\n     *\r\n     * Removes a global InteractEvent listener or DOM event from `document`\r\n     *\r\n     - type       (string | array | object) The types of events that were listened for\r\n     - listener   (function) The listener function to be removed\r\n     - useCapture (boolean) #optional useCapture flag for removeEventListener\r\n     = (object) interact\r\n     \\*/\r\n  interact.off = function(type, listener, useCapture){\r\n    if (isString(type) && type.search(' ') !== -1){\r\n      type = type.trim().split(/ +/);\r\n    }\r\n\r\n    if (isArray(type)){\r\n      for (var i = 0; i < type.length; i++){\r\n        interact.off(type[i], listener, useCapture);\r\n      }\r\n\r\n      return interact;\r\n    }\r\n\r\n    if (isObject(type)){\r\n      for (var prop in type){\r\n        interact.off(prop, type[prop], listener);\r\n      }\r\n\r\n      return interact;\r\n    }\r\n\r\n    if (!contains(eventTypes, type)){\r\n      events.remove(document, type, listener, useCapture);\r\n    }\r\n    else {\r\n      var index;\r\n\r\n      if (type in globalEvents\r\n                && (index = indexOf(globalEvents[type], listener)) !== -1){\r\n        globalEvents[type].splice(index, 1);\r\n      }\r\n    }\r\n\r\n    return interact;\r\n  };\r\n\r\n    /* \\\r\n     * interact.enableDragging\r\n     [ method ]\r\n     *\r\n     * Deprecated.\r\n     *\r\n     * Returns or sets whether dragging is enabled for any Interactables\r\n     *\r\n     - newValue (boolean) #optional `true` to allow the action; `false` to disable action for all Interactables\r\n     = (boolean | object) The current setting or interact\r\n    \\*/\r\n  interact.enableDragging = warnOnce(function(newValue){\r\n    if (newValue !== null && newValue !== undefined){\r\n      actionIsEnabled.drag = newValue;\r\n\r\n      return interact;\r\n    }\r\n    return actionIsEnabled.drag;\r\n  }, 'interact.enableDragging is deprecated and will soon be removed.');\r\n\r\n    /* \\\r\n     * interact.enableResizing\r\n     [ method ]\r\n     *\r\n     * Deprecated.\r\n     *\r\n     * Returns or sets whether resizing is enabled for any Interactables\r\n     *\r\n     - newValue (boolean) #optional `true` to allow the action; `false` to disable action for all Interactables\r\n     = (boolean | object) The current setting or interact\r\n    \\*/\r\n  interact.enableResizing = warnOnce(function(newValue){\r\n    if (newValue !== null && newValue !== undefined){\r\n      actionIsEnabled.resize = newValue;\r\n\r\n      return interact;\r\n    }\r\n    return actionIsEnabled.resize;\r\n  }, 'interact.enableResizing is deprecated and will soon be removed.');\r\n\r\n    /* \\\r\n     * interact.enableGesturing\r\n     [ method ]\r\n     *\r\n     * Deprecated.\r\n     *\r\n     * Returns or sets whether gesturing is enabled for any Interactables\r\n     *\r\n     - newValue (boolean) #optional `true` to allow the action; `false` to disable action for all Interactables\r\n     = (boolean | object) The current setting or interact\r\n    \\*/\r\n  interact.enableGesturing = warnOnce(function(newValue){\r\n    if (newValue !== null && newValue !== undefined){\r\n      actionIsEnabled.gesture = newValue;\r\n\r\n      return interact;\r\n    }\r\n    return actionIsEnabled.gesture;\r\n  }, 'interact.enableGesturing is deprecated and will soon be removed.');\r\n\r\n  interact.eventTypes = eventTypes;\r\n\r\n    /* \\\r\n     * interact.debug\r\n     [ method ]\r\n     *\r\n     * Returns debugging data\r\n     = (object) An object with properties that outline the current state and expose internal functions and variables\r\n    \\*/\r\n  interact.debug = function(){\r\n    var interaction = interactions[0] || new Interaction();\r\n\r\n    return {\r\n      interactions: interactions,\r\n      target: interaction.target,\r\n      dragging: interaction.dragging,\r\n      resizing: interaction.resizing,\r\n      gesturing: interaction.gesturing,\r\n      prepared: interaction.prepared,\r\n      matches: interaction.matches,\r\n      matchElements: interaction.matchElements,\r\n\r\n      prevCoords: interaction.prevCoords,\r\n      startCoords: interaction.startCoords,\r\n\r\n      pointerIds: interaction.pointerIds,\r\n      pointers: interaction.pointers,\r\n      addPointer: listeners.addPointer,\r\n      removePointer: listeners.removePointer,\r\n      recordPointer: listeners.recordPointer,\r\n\r\n      snap: interaction.snapStatus,\r\n      restrict: interaction.restrictStatus,\r\n      inertia: interaction.inertiaStatus,\r\n\r\n      downTime: interaction.downTimes[0],\r\n      downEvent: interaction.downEvent,\r\n      downPointer: interaction.downPointer,\r\n      prevEvent: interaction.prevEvent,\r\n\r\n      Interactable: Interactable,\r\n      interactables: interactables,\r\n      pointerIsDown: interaction.pointerIsDown,\r\n      defaultOptions: defaultOptions,\r\n      defaultActionChecker: defaultActionChecker,\r\n\r\n      actionCursors: actionCursors,\r\n      dragMove: listeners.dragMove,\r\n      resizeMove: listeners.resizeMove,\r\n      gestureMove: listeners.gestureMove,\r\n      pointerUp: listeners.pointerUp,\r\n      pointerDown: listeners.pointerDown,\r\n      pointerMove: listeners.pointerMove,\r\n      pointerHover: listeners.pointerHover,\r\n\r\n      eventTypes: eventTypes,\r\n\r\n      events: events,\r\n      globalEvents: globalEvents,\r\n      delegatedEvents: delegatedEvents,\r\n\r\n      prefixedPropREs: prefixedPropREs\r\n    };\r\n  };\r\n\r\n    // expose the functions used to calculate multi-touch properties\r\n  interact.getPointerAverage = pointerAverage;\r\n  interact.getTouchBBox = touchBBox;\r\n  interact.getTouchDistance = touchDistance;\r\n  interact.getTouchAngle = touchAngle;\r\n\r\n  interact.getElementRect = getElementRect;\r\n  interact.getElementClientRect = getElementClientRect;\r\n  interact.matchesSelector = matchesSelector;\r\n  interact.closest = closest;\r\n\r\n    /* \\\r\n     * interact.margin\r\n     [ method ]\r\n     *\r\n     * Deprecated. Use `interact(target).resizable({ margin: number });` instead.\r\n     * Returns or sets the margin for autocheck resizing used in\r\n     * @Interactable.getAction. That is the distance from the bottom and right\r\n     * edges of an element clicking in which will start resizing\r\n     *\r\n     - newValue (number) #optional\r\n     = (number | interact) The current margin value or interact\r\n    \\*/\r\n  interact.margin = warnOnce(function(newvalue){\r\n    if (isNumber(newvalue)){\r\n      margin = newvalue;\r\n\r\n      return interact;\r\n    }\r\n    return margin;\r\n  },\r\n    'interact.margin is deprecated. Use interact(target).resizable({ margin: number }); instead.');\r\n\r\n    /* \\\r\n     * interact.supportsTouch\r\n     [ method ]\r\n     *\r\n     = (boolean) Whether or not the browser supports touch input\r\n    \\*/\r\n  interact.supportsTouch = function(){\r\n    return supportsTouch;\r\n  };\r\n\r\n    /* \\\r\n     * interact.supportsPointerEvent\r\n     [ method ]\r\n     *\r\n     = (boolean) Whether or not the browser supports PointerEvents\r\n    \\*/\r\n  interact.supportsPointerEvent = function(){\r\n    return supportsPointerEvent;\r\n  };\r\n\r\n    /* \\\r\n     * interact.stop\r\n     [ method ]\r\n     *\r\n     * Cancels all interactions (end events are not fired)\r\n     *\r\n     - event (Event) An event on which to call preventDefault()\r\n     = (object) interact\r\n    \\*/\r\n  interact.stop = function(event){\r\n    for (var i = interactions.length - 1; i >= 0; i--){\r\n      interactions[i].stop(event);\r\n    }\r\n\r\n    return interact;\r\n  };\r\n\r\n    /* \\\r\n     * interact.dynamicDrop\r\n     [ method ]\r\n     *\r\n     * Returns or sets whether the dimensions of dropzone elements are\r\n     * calculated on every dragmove or only on dragstart for the default\r\n     * dropChecker\r\n     *\r\n     - newValue (boolean) #optional True to check on each move. False to check only before start\r\n     = (boolean | interact) The current setting or interact\r\n    \\*/\r\n  interact.dynamicDrop = function(newValue){\r\n    if (isBool(newValue)){\r\n            // if (dragging && dynamicDrop !== newValue && !newValue) {\r\n                // calcRects(dropzones);\r\n            // }\r\n\r\n      dynamicDrop = newValue;\r\n\r\n      return interact;\r\n    }\r\n    return dynamicDrop;\r\n  };\r\n\r\n    /* \\\r\n     * interact.pointerMoveTolerance\r\n     [ method ]\r\n     * Returns or sets the distance the pointer must be moved before an action\r\n     * sequence occurs. This also affects tolerance for tap events.\r\n     *\r\n     - newValue (number) #optional The movement from the start position must be greater than this value\r\n     = (number | Interactable) The current setting or interact\r\n    \\*/\r\n  interact.pointerMoveTolerance = function(newValue){\r\n    if (isNumber(newValue)){\r\n      pointerMoveTolerance = newValue;\r\n\r\n      return this;\r\n    }\r\n\r\n    return pointerMoveTolerance;\r\n  };\r\n\r\n    /* \\\r\n     * interact.maxInteractions\r\n     [ method ]\r\n     **\r\n     * Returns or sets the maximum number of concurrent interactions allowed.\r\n     * By default only 1 interaction is allowed at a time (for backwards\r\n     * compatibility). To allow multiple interactions on the same Interactables\r\n     * and elements, you need to enable it in the draggable, resizable and\r\n     * gesturable `'max'` and `'maxPerElement'` options.\r\n     **\r\n     - newValue (number) #optional Any number. newValue <= 0 means no interactions.\r\n    \\*/\r\n  interact.maxInteractions = function(newValue){\r\n    if (isNumber(newValue)){\r\n      maxInteractions = newValue;\r\n\r\n      return this;\r\n    }\r\n\r\n    return maxInteractions;\r\n  };\r\n\r\n  interact.createSnapGrid = function(grid){\r\n    return function(x, y){\r\n      var offsetX = 0,\r\n        offsetY = 0;\r\n\r\n      if (isObject(grid.offset)){\r\n        offsetX = grid.offset.x;\r\n        offsetY = grid.offset.y;\r\n      }\r\n\r\n      var gridx = Math.round((x - offsetX) / grid.x),\r\n        gridy = Math.round((y - offsetY) / grid.y),\r\n\r\n        newX = gridx * grid.x + offsetX,\r\n        newY = gridy * grid.y + offsetY;\r\n\r\n      return {\r\n        x: newX,\r\n        y: newY,\r\n        range: grid.range\r\n      };\r\n    };\r\n  };\r\n\r\n  function endAllInteractions(event){\r\n    for (var i = 0; i < interactions.length; i++){\r\n      interactions[i].pointerEnd(event, event);\r\n    }\r\n  }\r\n\r\n  function listenToDocument(doc){\r\n    if (contains(documents, doc)){ return; }\r\n\r\n    var win = doc.defaultView || doc.parentWindow;\r\n\r\n        // add delegate event listener\r\n    for (var eventType in delegatedEvents){\r\n      events.add(doc, eventType, delegateListener);\r\n      events.add(doc, eventType, delegateUseCapture, true);\r\n    }\r\n\r\n    if (supportsPointerEvent){\r\n      if (PointerEvent === win.MSPointerEvent){\r\n        pEventTypes = {\r\n          up: 'MSPointerUp', down: 'MSPointerDown', over: 'mouseover',\r\n          out: 'mouseout', move: 'MSPointerMove', cancel: 'MSPointerCancel' };\r\n      }\r\n      else {\r\n        pEventTypes = {\r\n          up: 'pointerup', down: 'pointerdown', over: 'pointerover',\r\n          out: 'pointerout', move: 'pointermove', cancel: 'pointercancel' };\r\n      }\r\n\r\n      events.add(doc, pEventTypes.down, listeners.selectorDown);\r\n      events.add(doc, pEventTypes.move, listeners.pointerMove);\r\n      events.add(doc, pEventTypes.over, listeners.pointerOver);\r\n      events.add(doc, pEventTypes.out, listeners.pointerOut);\r\n      events.add(doc, pEventTypes.up, listeners.pointerUp);\r\n      events.add(doc, pEventTypes.cancel, listeners.pointerCancel);\r\n\r\n            // autoscroll\r\n      events.add(doc, pEventTypes.move, listeners.autoScrollMove);\r\n    }\r\n    else {\r\n      events.add(doc, 'mousedown', listeners.selectorDown);\r\n      events.add(doc, 'mousemove', listeners.pointerMove);\r\n      events.add(doc, 'mouseup', listeners.pointerUp);\r\n      events.add(doc, 'mouseover', listeners.pointerOver);\r\n      events.add(doc, 'mouseout', listeners.pointerOut);\r\n\r\n      events.add(doc, 'touchstart', listeners.selectorDown);\r\n      events.add(doc, 'touchmove', listeners.pointerMove);\r\n      events.add(doc, 'touchend', listeners.pointerUp);\r\n      events.add(doc, 'touchcancel', listeners.pointerCancel);\r\n\r\n            // autoscroll\r\n      events.add(doc, 'mousemove', listeners.autoScrollMove);\r\n      events.add(doc, 'touchmove', listeners.autoScrollMove);\r\n    }\r\n\r\n    events.add(win, 'blur', endAllInteractions);\r\n\r\n    try {\r\n      if (win.frameElement){\r\n        var parentDoc = win.frameElement.ownerDocument,\r\n          parentWindow = parentDoc.defaultView;\r\n\r\n        events.add(parentDoc, 'mouseup', listeners.pointerEnd);\r\n        events.add(parentDoc, 'touchend', listeners.pointerEnd);\r\n        events.add(parentDoc, 'touchcancel', listeners.pointerEnd);\r\n        events.add(parentDoc, 'pointerup', listeners.pointerEnd);\r\n        events.add(parentDoc, 'MSPointerUp', listeners.pointerEnd);\r\n        events.add(parentWindow, 'blur', endAllInteractions);\r\n      }\r\n    }\r\n        catch (error){\r\n          interact.windowParentError = error;\r\n        }\r\n\r\n        // prevent native HTML5 drag on interact.js target elements\r\n    events.add(doc, 'dragstart', function(event){\r\n      for (var i = 0; i < interactions.length; i++){\r\n        var interaction = interactions[i];\r\n\r\n        if (interaction.element\r\n                    && (interaction.element === event.target\r\n                        || nodeContains(interaction.element, event.target))){\r\n          interaction.checkAndPreventDefault(event, interaction.target, interaction.element);\r\n          return;\r\n        }\r\n      }\r\n    });\r\n\r\n    if (events.useAttachEvent){\r\n            // For IE's lack of Event#preventDefault\r\n      events.add(doc, 'selectstart', function(event){\r\n        var interaction = interactions[0];\r\n\r\n        if (interaction.currentAction()){\r\n          interaction.checkAndPreventDefault(event);\r\n        }\r\n      });\r\n\r\n            // For IE's bad dblclick event sequence\r\n      events.add(doc, 'dblclick', doOnInteractions('ie8Dblclick'));\r\n    }\r\n\r\n    documents.push(doc);\r\n  }\r\n\r\n  listenToDocument(document);\r\n\r\n  function indexOf(array, target){\r\n    for (var i = 0, len = array.length; i < len; i++){\r\n      if (array[i] === target){\r\n        return i;\r\n      }\r\n    }\r\n\r\n    return -1;\r\n  }\r\n\r\n  function contains(array, target){\r\n    return indexOf(array, target) !== -1;\r\n  }\r\n\r\n  function matchesSelector(element, selector, nodeList){\r\n    if (ie8MatchesSelector){\r\n      return ie8MatchesSelector(element, selector, nodeList);\r\n    }\r\n\r\n        // remove /deep/ from selectors if shadowDOM polyfill is used\r\n    if (window !== realWindow){\r\n      selector = selector.replace(/\\/deep\\//g, ' ');\r\n    }\r\n\r\n    return element[prefixedMatchesSelector](selector);\r\n  }\r\n\r\n  function matchesUpTo(element, selector, limit){\r\n    while (isElement(element)){\r\n      if (matchesSelector(element, selector)){\r\n        return true;\r\n      }\r\n\r\n      element = parentElement(element);\r\n\r\n      if (element === limit){\r\n        return matchesSelector(element, selector);\r\n      }\r\n    }\r\n\r\n    return false;\r\n  }\r\n\r\n    // For IE8's lack of an Element#matchesSelector\r\n    // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\r\n  if (!(prefixedMatchesSelector in Element.prototype) || !isFunction(Element.prototype[prefixedMatchesSelector])){\r\n    ie8MatchesSelector = function(element, selector, elems){\r\n      elems = elems || element.parentNode.querySelectorAll(selector);\r\n\r\n      for (var i = 0, len = elems.length; i < len; i++){\r\n        if (elems[i] === element){\r\n          return true;\r\n        }\r\n      }\r\n\r\n      return false;\r\n    };\r\n  }\r\n\r\n    // requestAnimationFrame polyfill\r\n  (function(){\r\n    var lastTime = 0,\r\n      vendors = ['ms', 'moz', 'webkit', 'o'];\r\n\r\n    for (var x = 0; x < vendors.length && !realWindow.requestAnimationFrame; ++x){\r\n      reqFrame = realWindow[vendors[x] + 'RequestAnimationFrame'];\r\n      cancelFrame = realWindow[vendors[x] + 'CancelAnimationFrame'] || realWindow[vendors[x] + 'CancelRequestAnimationFrame'];\r\n    }\r\n\r\n    if (!reqFrame){\r\n      reqFrame = function(callback){\r\n        var currTime = new Date().getTime(),\r\n          timeToCall = Math.max(0, 16 - (currTime - lastTime)),\r\n          id = setTimeout(function(){ callback(currTime + timeToCall); },\r\n                  timeToCall);\r\n        lastTime = currTime + timeToCall;\r\n        return id;\r\n      };\r\n    }\r\n\r\n    if (!cancelFrame){\r\n      cancelFrame = function(id){\r\n        clearTimeout(id);\r\n      };\r\n    }\r\n  }());\r\n\r\n    /* global exports: true, module, define */\r\n\r\n    // http://documentcloud.github.io/underscore/docs/underscore.html#section-11\r\n  if (typeof exports !== 'undefined'){\r\n    if (typeof module !== 'undefined' && module.exports){\r\n      exports = module.exports = interact;\r\n    }\r\n    exports.interact = interact;\r\n  }\r\n    // AMD\r\n  else if (typeof define === 'function' && define.amd){\r\n    define('interact', function(){\r\n      return interact;\r\n    });\r\n  }\r\n    else {\r\n    realWindow.interact = interact;\r\n  }\r\n}(typeof window === 'undefined' ? undefined : window));\r\n\n\n\n// WEBPACK FOOTER //\n// ../src/interact.js","export AutoTooltips from './slick.autotooltips';\r\nexport CellCopyManager from './slick.cellcopymanager';\r\nexport CellRangeDecorator from './slick.cellrangedecorator';\r\nexport CellRangeSelector from './slick.cellrangeselector';\r\nexport CellSelectionModel from './slick.cellselectionmodel';\r\nexport CheckboxSelectColumn from './slick.checkboxselectcolumn';\r\nexport HeaderButtons from './slick.headerbuttons';\r\nexport HeaderMenu from './slick.headermenu';\r\nexport RowMoveManager from './slick.rowmovemanager';\r\nexport RowSelectionModel from './slick.rowselectionmodel';\r\n\n\n\n// WEBPACK FOOTER //\n// ../plugins/index.js","import AutoTooltips from './slick.autotooltips';\r\nexport default AutoTooltips;\r\n\n\n\n// WEBPACK FOOTER //\n// ../plugins/slick.autotooltips/index.js","import $ from 'jquery';\r\n\r\nexport default AutoTooltips;\r\n\r\n  /**\r\n   * AutoTooltips plugin to show/hide tooltips when columns are too narrow to fit content.\r\n   * @constructor\r\n   * @param {boolean} [options.enableForCells=true]        - Enable tooltip for grid cells\r\n   * @param {boolean} [options.enableForHeaderCells=false] - Enable tooltip for header cells\r\n   * @param {number}  [options.maxToolTipLength=null]      - The maximum length for a tooltip\r\n   */\r\nfunction AutoTooltips(options){\r\n  let _grid;\r\n  const _self = this;\r\n  const _defaults = {\r\n    enableForCells: true,\r\n    enableForHeaderCells: false,\r\n    maxToolTipLength: null\r\n  };\r\n\r\n    /**\r\n     * Initialize plugin.\r\n     */\r\n  function init(grid){\r\n    options = Object.assign({}, _defaults, options);\r\n    _grid = grid;\r\n    if (options.enableForCells) _grid.onMouseEnter.subscribe(handleMouseEnter);\r\n    if (options.enableForHeaderCells) _grid.onHeaderMouseEnter.subscribe(handleHeaderMouseEnter);\r\n  }\r\n\r\n    /**\r\n     * Destroy plugin.\r\n     */\r\n  function destroy(){\r\n    if (options.enableForCells) _grid.onMouseEnter.unsubscribe(handleMouseEnter);\r\n    if (options.enableForHeaderCells) _grid.onHeaderMouseEnter.unsubscribe(handleHeaderMouseEnter);\r\n  }\r\n\r\n    /**\r\n     * Handle mouse entering grid cell to add/remove tooltip.\r\n     * @param {jQuery.Event} e - The event\r\n     */\r\n  function handleMouseEnter(e){\r\n    const cell = _grid.getCellFromEvent(e);\r\n    if (cell){\r\n      let $node = $(_grid.getCellNode(cell.row, cell.cell));\r\n      let text;\r\n      if ($node.innerWidth() < $node[0].scrollWidth){\r\n        text = $.trim($node.text());\r\n        if (options.maxToolTipLength && text.length > options.maxToolTipLength){\r\n          text = text.substr(0, options.maxToolTipLength - 3) + '...';\r\n        }\r\n      } else {\r\n        text = '';\r\n      }\r\n      $node.attr('title', text);\r\n    }\r\n  }\r\n\r\n    /**\r\n     * Handle mouse entering header cell to add/remove tooltip.\r\n     * @param {jQuery.Event} e     - The event\r\n     * @param {object} args.column - The column definition\r\n     */\r\n  function handleHeaderMouseEnter(e, args){\r\n    const column = args.column,\r\n      $node = $(e.target).closest('.slick-header-column');\r\n    if (column && !column.toolTip){\r\n      $node.attr('title', ($node.innerWidth() < $node[0].scrollWidth) ? column.name : '');\r\n    }\r\n  }\r\n\r\n    // Public API\r\n  Object.assign(this, {\r\n    init,\r\n    destroy\r\n  });\r\n}\r\n\n\n\n// WEBPACK FOOTER //\n// ../plugins/slick.autotooltips/slick.autotooltips.js","import CellCopyManager from './slick.cellcopymanager';\r\nexport default CellCopyManager;\r\n\n\n\n// WEBPACK FOOTER //\n// ../plugins/slick.cellcopymanager/index.js","import Slick from '../../src/slick.core';\r\nconst { keyCode } = Slick;\r\n\r\nexport default CellCopyManager;\r\n\r\nfunction CellCopyManager(){\r\n  var _grid;\r\n  var _self = this;\r\n  var _copiedRanges;\r\n\r\n  function init(grid){\r\n    _grid = grid;\r\n    _grid.onKeyDown.subscribe(handleKeyDown);\r\n  }\r\n\r\n  function destroy(){\r\n    _grid.onKeyDown.unsubscribe(handleKeyDown);\r\n  }\r\n\r\n  function handleKeyDown(e, args){\r\n    var ranges;\r\n    if (!_grid.getEditorLock().isActive()){\r\n      if (e.which == keyCode.ESCAPE){\r\n        if (_copiedRanges){\r\n          e.preventDefault();\r\n          clearCopySelection();\r\n          _self.onCopyCancelled.notify({ranges: _copiedRanges});\r\n          _copiedRanges = null;\r\n        }\r\n      }\r\n\r\n      if (e.which == 67 && (e.ctrlKey || e.metaKey)){\r\n        ranges = _grid.getSelectionModel().getSelectedRanges();\r\n        if (ranges.length != 0){\r\n          e.preventDefault();\r\n          _copiedRanges = ranges;\r\n          markCopySelection(ranges);\r\n          _self.onCopyCells.notify({ranges: ranges});\r\n        }\r\n      }\r\n\r\n      if (e.which == 86 && (e.ctrlKey || e.metaKey)){\r\n        if (_copiedRanges){\r\n          e.preventDefault();\r\n          clearCopySelection();\r\n          ranges = _grid.getSelectionModel().getSelectedRanges();\r\n          _self.onPasteCells.notify({from: _copiedRanges, to: ranges});\r\n          _copiedRanges = null;\r\n        }\r\n      }\r\n    }\r\n  }\r\n\r\n  function markCopySelection(ranges){\r\n    var columns = _grid.getColumns();\r\n    var hash = {};\r\n    for (var i = 0; i < ranges.length; i++){\r\n      for (var j = ranges[i].fromRow; j <= ranges[i].toRow; j++){\r\n        hash[j] = {};\r\n        for (var k = ranges[i].fromCell; k <= ranges[i].toCell; k++){\r\n          hash[j][columns[k].id] = 'copied';\r\n        }\r\n      }\r\n    }\r\n    _grid.setCellCssStyles('copy-manager', hash);\r\n  }\r\n\r\n  function clearCopySelection(){\r\n    _grid.removeCellCssStyles('copy-manager');\r\n  }\r\n\r\n  Object.assign(this, {\r\n    init,\r\n    destroy,\r\n    clearCopySelection,\r\n\r\n    onCopyCells: new Slick.Event(),\r\n    onCopyCancelled: new Slick.Event(),\r\n    onPasteCells: new Slick.Event()\r\n  });\r\n}\r\n\n\n\n// WEBPACK FOOTER //\n// ../plugins/slick.cellcopymanager/slick.cellcopymanager.js","import CellRangeDecorator from './slick.cellrangedecorator';\r\nexport default CellRangeDecorator;\r\n\n\n\n// WEBPACK FOOTER //\n// ../plugins/slick.cellrangedecorator/index.js","import CellRangeDecorator from './slick.cellrangeselector';\r\nexport default CellRangeDecorator;\r\n\n\n\n// WEBPACK FOOTER //\n// ../plugins/slick.cellrangeselector/index.js","import CellSelectionModel from './slick.cellselectionmodel';\r\nexport default CellSelectionModel;\r\n\n\n\n// WEBPACK FOOTER //\n// ../plugins/slick.cellselectionmodel/index.js","import Slick from '../../src/slick.core';\r\nimport CellRangeSelector from '../slick.cellrangeselector/slick.cellrangeselector';\r\n\r\nexport default CellSelectionModel;\r\n\r\nfunction CellSelectionModel(options = {\r\n  selectActiveCell: true\r\n}){\r\n  let _grid;\r\n  let _canvas;\r\n  let _ranges = [];\r\n  const _self = this;\r\n  const _selector = new CellRangeSelector({\r\n    selectionCss: {\r\n      border: '2px solid black'\r\n    }\r\n  });\r\n  let _options;\r\n  const _defaults = {\r\n    selectActiveCell: true\r\n  };\r\n\r\n  function init(grid){\r\n    _options = Object.assign({}, options);\r\n    _grid = grid;\r\n    _canvas = _grid.getCanvasNode();\r\n    _grid.onActiveCellChanged.subscribe(handleActiveCellChange);\r\n    _grid.onKeyDown.subscribe(handleKeyDown);\r\n    grid.registerPlugin(_selector);\r\n    _selector.onCellRangeSelected.subscribe(handleCellRangeSelected);\r\n    _selector.onBeforeCellRangeSelected.subscribe(handleBeforeCellRangeSelected);\r\n  }\r\n\r\n  function destroy(){\r\n    _grid.onActiveCellChanged.unsubscribe(handleActiveCellChange);\r\n    _grid.onKeyDown.unsubscribe(handleKeyDown);\r\n    _selector.onCellRangeSelected.unsubscribe(handleCellRangeSelected);\r\n    _selector.onBeforeCellRangeSelected.unsubscribe(handleBeforeCellRangeSelected);\r\n    _grid.unregisterPlugin(_selector);\r\n  }\r\n\r\n  function removeInvalidRanges(ranges){\r\n    const result = [];\r\n\r\n    for (let i = 0; i < ranges.length; i++){\r\n      const r = ranges[i];\r\n      if (_grid.canCellBeSelected(r.fromRow, r.fromCell) && _grid.canCellBeSelected(r.toRow, r.toCell)){\r\n        result.push(r);\r\n      }\r\n    }\r\n\r\n    return result;\r\n  }\r\n\r\n  function setSelectedRanges(ranges){\r\n    // simle check for: empty selection didn't change, prevent firing onSelectedRangesChanged\r\n    if ((!_ranges || _ranges.length === 0) && (!ranges || ranges.length === 0)){\r\n      return;\r\n    }\r\n\r\n    _ranges = removeInvalidRanges(ranges);\r\n    _self.onSelectedRangesChanged.notify(_ranges);\r\n  }\r\n\r\n  function getSelectedRanges(){\r\n    return _ranges;\r\n  }\r\n\r\n  function handleBeforeCellRangeSelected(e, args){\r\n    if (_grid.getEditorLock().isActive()){\r\n      e.stopPropagation();\r\n      return false;\r\n    }\r\n  }\r\n\r\n  function handleCellRangeSelected(e, args){\r\n    setSelectedRanges([args.range]);\r\n  }\r\n\r\n  function handleActiveCellChange(e, args){\r\n    if (_options.selectActiveCell && args.row != null && args.cell != null){\r\n      setSelectedRanges([new Slick.Range(args.row, args.cell)]);\r\n    }\r\n  }\r\n\r\n  function handleKeyDown(e){\r\n    /** *\r\n     * Кey codes\r\n     * 37 left\r\n     * 38 up\r\n     * 39 right\r\n     * 40 down\r\n     */\r\n    let ranges, last;\r\n    const active = _grid.getActiveCell();\r\n\r\n    if (active && e.shiftKey && !e.ctrlKey && !e.altKey &&\r\n      (e.which == 37 || e.which == 39 || e.which == 38 || e.which == 40)){\r\n      ranges = getSelectedRanges();\r\n      if (!ranges.length)\r\n        ranges.push(new Slick.Range(active.row, active.cell));\r\n\r\n      // keyboard can work with last range only\r\n      last = ranges.pop();\r\n\r\n      // can't handle selection out of active cell\r\n      if (!last.contains(active.row, active.cell))\r\n        last = new Slick.Range(active.row, active.cell);\r\n\r\n      let dRow = last.toRow - last.fromRow,\r\n        dCell = last.toCell - last.fromCell,\r\n        // walking direction\r\n        dirRow = active.row == last.fromRow ? 1 : -1,\r\n        dirCell = active.cell == last.fromCell ? 1 : -1;\r\n\r\n      if (e.which == 37){\r\n        dCell -= dirCell;\r\n      } else if (e.which == 39){\r\n        dCell += dirCell;\r\n      } else if (e.which == 38){\r\n        dRow -= dirRow;\r\n      } else if (e.which == 40){\r\n        dRow += dirRow;\r\n      }\r\n\r\n      // define new selection range\r\n      const new_last = new Slick.Range(active.row, active.cell, active.row + dirRow * dRow, active.cell + dirCell * dCell);\r\n      if (removeInvalidRanges([new_last]).length){\r\n        ranges.push(new_last);\r\n        const viewRow = dirRow > 0 ? new_last.toRow : new_last.fromRow;\r\n        const viewCell = dirCell > 0 ? new_last.toCell : new_last.fromCell;\r\n        _grid.scrollRowIntoView(viewRow);\r\n        _grid.scrollCellIntoView(viewRow, viewCell);\r\n      }\r\n      else\r\n        ranges.push(last);\r\n\r\n      setSelectedRanges(ranges);\r\n\r\n      e.preventDefault();\r\n      e.stopPropagation();\r\n    }\r\n  }\r\n\r\n  Object.assign(this, {\r\n    getSelectedRanges,\r\n    setSelectedRanges,\r\n\r\n    init,\r\n    destroy,\r\n\r\n    onSelectedRangesChanged: new Slick.Event()\r\n  });\r\n}\r\n\n\n\n// WEBPACK FOOTER //\n// ../plugins/slick.cellselectionmodel/slick.cellselectionmodel.js","import CheckboxSelectColumn from './slick.checkboxselectcolumn';\r\nexport default CheckboxSelectColumn;\r\n\n\n\n// WEBPACK FOOTER //\n// ../plugins/slick.checkboxselectcolumn/index.js","import $ from 'jquery';\r\nimport Slick from '../../src/slick.core';\r\n\r\nexport default CheckboxSelectColumn;\r\n\r\nfunction CheckboxSelectColumn(options){\r\n  let _grid;\r\n  const _self = this;\r\n  const _handler = new Slick.EventHandler();\r\n  let _selectedRowsLookup = {};\r\n  const _defaults = {\r\n    columnId: '_checkbox_selector',\r\n    cssClass: null,\r\n    toolTip: 'Select/Deselect All',\r\n    width: 30\r\n  };\r\n\r\n  const _options = $.extend(true, {}, _defaults, options);\r\n\r\n  function init(grid){\r\n    _grid = grid;\r\n    _handler\r\n      .subscribe(_grid.onSelectedRowsChanged, handleSelectedRowsChanged)\r\n      .subscribe(_grid.onClick, handleClick)\r\n      .subscribe(_grid.onHeaderClick, handleHeaderClick)\r\n      .subscribe(_grid.onKeyDown, handleKeyDown);\r\n  }\r\n\r\n  function destroy(){\r\n    _handler.unsubscribeAll();\r\n  }\r\n\r\n  function handleSelectedRowsChanged(e, args){\r\n    let selectedRows = _grid.getSelectedRows();\r\n    let lookup = {}, row, i;\r\n    for (i = 0; i < selectedRows.length; i++){\r\n      row = selectedRows[i];\r\n      lookup[row] = true;\r\n      if (lookup[row] !== _selectedRowsLookup[row]){\r\n        _grid.invalidateRow(row);\r\n        delete _selectedRowsLookup[row];\r\n      }\r\n    }\r\n    for (i in _selectedRowsLookup){\r\n      _grid.invalidateRow(i);\r\n    }\r\n    _selectedRowsLookup = lookup;\r\n    _grid.render();\r\n\r\n    if (selectedRows.length && selectedRows.length == _grid.getDataLength()){\r\n      _grid.updateColumnHeader(_options.columnId, \"<input type='checkbox' checked='checked'>\", _options.toolTip);\r\n    } else {\r\n      _grid.updateColumnHeader(_options.columnId, \"<input type='checkbox'>\", _options.toolTip);\r\n    }\r\n  }\r\n\r\n  function handleKeyDown(e, args){\r\n    if (e.which == 32){\r\n      if (_grid.getColumns()[args.cell].id === _options.columnId){\r\n        // if editing, try to commit\r\n        if (!_grid.getEditorLock().isActive() || _grid.getEditorLock().commitCurrentEdit()){\r\n          toggleRowSelection(args.row);\r\n        }\r\n        e.preventDefault();\r\n        e.stopImmediatePropagation();\r\n      }\r\n    }\r\n  }\r\n\r\n  function handleClick(e, args){\r\n    // clicking on a row select checkbox\r\n    if (_grid.getColumns()[args.cell].id === _options.columnId && $(e.target).is(':checkbox')){\r\n      // if editing, try to commit\r\n      if (_grid.getEditorLock().isActive() && !_grid.getEditorLock().commitCurrentEdit()){\r\n        e.preventDefault();\r\n        e.stopImmediatePropagation();\r\n        return;\r\n      }\r\n\r\n      toggleRowSelection(args.row);\r\n      e.stopPropagation();\r\n      e.stopImmediatePropagation();\r\n    }\r\n  }\r\n\r\n  function toggleRowSelection(row){\r\n    if (_selectedRowsLookup[row]){\r\n      _grid.setSelectedRows($.grep(_grid.getSelectedRows(), function(n){\r\n        return n != row;\r\n      }));\r\n    } else {\r\n      _grid.setSelectedRows(_grid.getSelectedRows().concat(row));\r\n    }\r\n  }\r\n\r\n  function handleHeaderClick(e, args){\r\n    if (args.column.id == _options.columnId && $(e.target).is(':checkbox')){\r\n      // if editing, try to commit\r\n      if (_grid.getEditorLock().isActive() && !_grid.getEditorLock().commitCurrentEdit()){\r\n        e.preventDefault();\r\n        e.stopImmediatePropagation();\r\n        return;\r\n      }\r\n\r\n      if ($(e.target).is(':checked')){\r\n        const rows = [];\r\n        for (let i = 0; i < _grid.getDataLength(); i++){\r\n          rows.push(i);\r\n        }\r\n        _grid.setSelectedRows(rows);\r\n      } else {\r\n        _grid.setSelectedRows([]);\r\n      }\r\n      e.stopPropagation();\r\n      e.stopImmediatePropagation();\r\n    }\r\n  }\r\n\r\n  function getColumnDefinition(){\r\n    return {\r\n      id: _options.columnId,\r\n      name: \"<input type='checkbox'>\",\r\n      toolTip: _options.toolTip,\r\n      field: 'sel',\r\n      width: _options.width,\r\n      resizable: false,\r\n      sortable: false,\r\n      cssClass: _options.cssClass,\r\n      formatter: checkboxSelectionFormatter\r\n    };\r\n  }\r\n\r\n  function checkboxSelectionFormatter(row, cell, value, columnDef, dataContext){\r\n    if (dataContext){\r\n      return _selectedRowsLookup[row]\r\n        ? \"<input type='checkbox' checked='checked'>\"\r\n        : \"<input type='checkbox'>\";\r\n    }\r\n    return null;\r\n  }\r\n\r\n  Object.assign(this, {\r\n    init,\r\n    destroy,\r\n\r\n    getColumnDefinition\r\n  });\r\n}\r\n\n\n\n// WEBPACK FOOTER //\n// ../plugins/slick.checkboxselectcolumn/slick.checkboxselectcolumn.js","import HeaderButtons from './slick.headerbuttons';\r\nexport default HeaderButtons;\r\n\n\n\n// WEBPACK FOOTER //\n// ../plugins/slick.headerbuttons/index.js","import $ from 'jquery';\r\nimport Slick from '../../src/slick.core';\r\n\r\nexport default HeaderButtons;\r\n/** *\r\n * A plugin to add custom buttons to column headers.\r\n *\r\n * USAGE:\r\n *\r\n * Add the plugin .js & .css files and register it with the grid.\r\n *\r\n * To specify a custom button in a column header, extend the column definition like so:\r\n *\r\n *   var columns = [\r\n *     {\r\n *       id: 'myColumn',\r\n *       name: 'My column',\r\n *\r\n *       // This is the relevant part\r\n *       header: {\r\n *          buttons: [\r\n *              {\r\n *                // button options\r\n *              },\r\n *              {\r\n *                // button options\r\n *              }\r\n *          ]\r\n *       }\r\n *     }\r\n *   ];\r\n *\r\n * Available button options:\r\n *    cssClass:     CSS class to add to the button.\r\n *    image:        Relative button image path.\r\n *    tooltip:      Button tooltip.\r\n *    showOnHover:  Only show the button on hover.\r\n *    handler:      Button click handler.\r\n *    command:      A command identifier to be passed to the onCommand event handlers.\r\n *\r\n * The plugin exposes the following events:\r\n *    onCommand:    Fired on button click for buttons with 'command' specified.\r\n *        Event args:\r\n *            grid:     Reference to the grid.\r\n *            column:   Column definition.\r\n *            command:  Button command identified.\r\n *            button:   Button options.  Note that you can change the button options in your\r\n *                      event handler, and the column header will be automatically updated to\r\n *                      reflect them.  This is useful if you want to implement something like a\r\n *                      toggle button.\r\n *\r\n *\r\n * @param options {Object} Options:\r\n *    buttonCssClass:   a CSS class to use for buttons (default 'slick-header-button')\r\n * @class Slick.Plugins.HeaderButtons\r\n * @constructor\r\n */\r\nfunction HeaderButtons(options){\r\n  var _grid;\r\n  var _self = this;\r\n  var _handler = new Slick.EventHandler();\r\n  var _defaults = {\r\n    buttonCssClass: 'slick-header-button'\r\n  };\r\n\r\n  function init(grid){\r\n    options = Object.assign({}, _defaults, options);\r\n    _grid = grid;\r\n    _handler\r\n      .subscribe(_grid.onHeaderCellRendered, handleHeaderCellRendered)\r\n      .subscribe(_grid.onBeforeHeaderCellDestroy, handleBeforeHeaderCellDestroy);\r\n\r\n    // Force the grid to re-render the header now that the events are hooked up.\r\n    _grid.setColumns(_grid.getColumns());\r\n  }\r\n\r\n  function destroy(){\r\n    _handler.unsubscribeAll();\r\n  }\r\n\r\n  function handleHeaderCellRendered(e, args){\r\n    var column = args.column;\r\n\r\n    if (column.header && column.header.buttons){\r\n      // Append buttons in reverse order since they are floated to the right.\r\n      var i = column.header.buttons.length;\r\n      while (i--){\r\n        var button = column.header.buttons[i];\r\n        var btn = $('<div></div>')\r\n          .addClass(options.buttonCssClass)\r\n          .data('column', column)\r\n          .data('button', button);\r\n\r\n        if (button.showOnHover){\r\n          btn.addClass('slick-header-button-hidden');\r\n        }\r\n\r\n        if (button.image){\r\n          btn.css('backgroundImage', 'url(' + button.image + ')');\r\n        }\r\n\r\n        if (button.cssClass){\r\n          btn.addClass(button.cssClass);\r\n        }\r\n\r\n        if (button.tooltip){\r\n          btn.attr('title', button.tooltip);\r\n        }\r\n\r\n        if (button.command){\r\n          btn.data('command', button.command);\r\n        }\r\n\r\n        if (button.handler){\r\n          btn.bind('click', button.handler);\r\n        }\r\n\r\n        btn\r\n          .bind('click', handleButtonClick)\r\n          .appendTo(args.node);\r\n        args.node.classList.add('has-buttons');\r\n      }\r\n    }\r\n  }\r\n\r\n  function handleBeforeHeaderCellDestroy(e, args){\r\n    var column = args.column;\r\n\r\n    if (column.header && column.header.buttons){\r\n      // Removing buttons via jQuery will also clean up any event handlers and data.\r\n      // NOTE: If you attach event handlers directly or using a different framework,\r\n      //       you must also clean them up here to avoid memory leaks.\r\n      $(args.node).find(`.${options.buttonCssClass}`).remove();\r\n    }\r\n  }\r\n\r\n  function handleButtonClick(e){\r\n    var command = $(this).data('command');\r\n    var columnDef = $(this).data('column');\r\n    var button = $(this).data('button');\r\n\r\n    if (command != null){\r\n      _self.onCommand.notify({\r\n        'grid': _grid,\r\n        'column': columnDef,\r\n        'command': command,\r\n        'button': button\r\n      }, e, _self);\r\n\r\n      // Update the header in case the user updated the button definition in the handler.\r\n      _grid.updateColumnHeader(columnDef.id);\r\n    }\r\n\r\n    // Stop propagation so that it doesn't register as a header click event.\r\n    e.preventDefault();\r\n    e.stopPropagation();\r\n  }\r\n\r\n  Object.assign(this, {\r\n    init,\r\n    destroy,\r\n\r\n    'onCommand': new Slick.Event()\r\n  });\r\n}\r\n\n\n\n// WEBPACK FOOTER //\n// ../plugins/slick.headerbuttons/slick.headerbuttons.js","import HeaderMenu from './slick.headermenu';\r\nexport default HeaderMenu;\r\n\n\n\n// WEBPACK FOOTER //\n// ../plugins/slick.headermenu/index.js","import $ from 'jquery';\r\nimport Slick from '../../src/slick.core';\r\n\r\n// import './slick.headermenu.css';\r\n\r\nexport default HeaderMenu;\r\n\r\n/** *\r\n * A plugin to add drop-down menus to column headers.\r\n *\r\n * USAGE:\r\n *\r\n * Add the plugin .js & .css files and register it with the grid.\r\n *\r\n * To specify a menu in a column header, extend the column definition like so:\r\n *\r\n *   const columns = [\r\n *     {\r\n *       id: 'myColumn',\r\n *       name: 'My column',\r\n *\r\n *       // This is the relevant part\r\n *       header: {\r\n *          menu: {\r\n *              items: [\r\n *                {\r\n *                  // menu item options\r\n *                },\r\n *                {\r\n *                  // menu item options\r\n *                }\r\n *              ]\r\n *          }\r\n *       }\r\n *     }\r\n *   ];\r\n *\r\n *\r\n * Available menu options:\r\n *    tooltip:      Menu button tooltip.\r\n *\r\n *\r\n * Available menu item options:\r\n *    title:        Menu item text.\r\n *    disabled:     Whether the item is disabled.\r\n *    tooltip:      Item tooltip.\r\n *    command:      A command identifier to be passed to the onCommand event handlers.\r\n *    iconCssClass: A CSS class to be added to the menu item icon.\r\n *    iconImage:    A url to the icon image.\r\n *\r\n *\r\n * The plugin exposes the following events:\r\n *    onBeforeMenuShow:   Fired before the menu is shown.  You can customize the menu or dismiss it by returning false.\r\n *        Event args:\r\n *            grid:     Reference to the grid.\r\n *            column:   Column definition.\r\n *            menu:     Menu options.  Note that you can change the menu items here.\r\n *\r\n *    onCommand:    Fired on menu item click for buttons with 'command' specified.\r\n *        Event args:\r\n *            grid:     Reference to the grid.\r\n *            column:   Column definition.\r\n *            command:  Button command identified.\r\n *            button:   Button options.  Note that you can change the button options in your\r\n *                      event handler, and the column header will be automatically updated to\r\n *                      reflect them.  This is useful if you want to implement something like a\r\n *                      toggle button.\r\n *\r\n *\r\n * @param options {Object} Options:\r\n *    buttonCssClass:   an extra CSS class to add to the menu button\r\n *    buttonImage:      a url to the menu button image (default '../images/down.gif')\r\n * @class Slick.Plugins.HeaderButtons\r\n * @constructor\r\n */\r\nfunction HeaderMenu(options){\r\n  let _grid;\r\n  const _self = this;\r\n  const _handler = new Slick.EventHandler();\r\n  const _defaults = {\r\n    buttonCssClass: null,\r\n    buttonImage: null\r\n  };\r\n\r\n  let $menu;\r\n  let $activeHeaderColumn;\r\n\r\n  function init(grid){\r\n    options = Object.assign({}, _defaults, options);\r\n    _grid = grid;\r\n    _handler\r\n      .subscribe(_grid.onHeaderCellRendered, handleHeaderCellRendered)\r\n      .subscribe(_grid.onBeforeHeaderCellDestroy, handleBeforeHeaderCellDestroy);\r\n\r\n    // Force the grid to re-render the header now that the events are hooked up.\r\n    _grid.setColumns(_grid.getColumns());\r\n\r\n    // Hide the menu on outside click.\r\n    $(document.body).bind('mousedown', handleBodyMouseDown);\r\n  }\r\n\r\n  function destroy(){\r\n    _handler.unsubscribeAll();\r\n    $(document.body).unbind('mousedown', handleBodyMouseDown);\r\n  }\r\n\r\n  function handleBodyMouseDown(e){\r\n    if ($menu && $menu[0] != e.target && !$.contains($menu[0], e.target)){\r\n      hideMenu();\r\n    }\r\n  }\r\n\r\n  function hideMenu(){\r\n    if ($menu){\r\n      $menu.remove();\r\n      $menu = null;\r\n      $activeHeaderColumn\r\n        .removeClass('slick-header-column-active');\r\n    }\r\n  }\r\n\r\n  function handleHeaderCellRendered(e, args){\r\n    const column = args.column;\r\n    const menu = column.header && column.header.menu;\r\n\r\n    if (menu){\r\n      const $el = $('<div></div>')\r\n        .addClass('slick-header-menubutton')\r\n        .data('column', column)\r\n        .data('menu', menu);\r\n\r\n      if (options.buttonCssClass){\r\n        $el.addClass(options.buttonCssClass);\r\n      }\r\n\r\n      if (options.buttonImage){\r\n        $el.css('background-image', 'url(' + options.buttonImage + ')');\r\n      }\r\n\r\n      if (menu.tooltip){\r\n        $el.attr('title', menu.tooltip);\r\n      }\r\n\r\n      $el\r\n        .bind('click', showMenu)\r\n        .appendTo(args.node);\r\n    }\r\n  }\r\n\r\n  function handleBeforeHeaderCellDestroy(e, args){\r\n    const column = args.column;\r\n\r\n    if (column.header && column.header.menu){\r\n      $(args.node).find('.slick-header-menubutton').remove();\r\n    }\r\n  }\r\n\r\n  function showMenu(e){\r\n    const $menuButton = $(this);\r\n    const menu = $menuButton.data('menu');\r\n    const columnDef = $menuButton.data('column');\r\n\r\n    // Let the user modify the menu or cancel altogether,\r\n    // or provide alternative menu implementation.\r\n    if (_self.onBeforeMenuShow.notify({\r\n      'grid': _grid,\r\n      'column': columnDef,\r\n      'menu': menu\r\n    }, e, _self) == false){\r\n      return;\r\n    }\r\n\r\n    if (!$menu){\r\n      $menu = $(\"<div class='slick-header-menu'></div>\")\r\n        .appendTo(_grid.getContainerNode());\r\n    }\r\n    $menu.empty();\r\n\r\n    // Construct the menu items.\r\n    for (let i = 0; i < menu.items.length; i++){\r\n      const item = menu.items[i];\r\n\r\n      const $li = $(\"<div class='slick-header-menuitem'></div>\")\r\n        .data('command', item.command || '')\r\n        .data('column', columnDef)\r\n        .data('item', item)\r\n        .bind('click', handleMenuItemClick)\r\n        .appendTo($menu);\r\n\r\n      if (item.disabled){\r\n        $li.addClass('slick-header-menuitem-disabled');\r\n      }\r\n\r\n      if (item.tooltip){\r\n        $li.attr('title', item.tooltip);\r\n      }\r\n\r\n      const $icon = $(\"<div class='slick-header-menuicon'></div>\")\r\n        .appendTo($li);\r\n\r\n      if (item.iconCssClass){\r\n        $icon.addClass(item.iconCssClass);\r\n      }\r\n\r\n      if (item.iconImage){\r\n        $icon.css('background-image', 'url(' + item.iconImage + ')');\r\n      }\r\n\r\n      $(\"<span class='slick-header-menucontent'></span>\")\r\n        .text(item.title)\r\n        .appendTo($li);\r\n    }\r\n\r\n    // Position the menu.\r\n    $menu\r\n      .offset({ top: $(this).offset().top + $(this).height(), left: $(this).offset().left });\r\n\r\n    // Mark the header as active to keep the highlighting.\r\n    $activeHeaderColumn = $menuButton.closest('.slick-header-column');\r\n    $activeHeaderColumn\r\n      .addClass('slick-header-column-active');\r\n\r\n    // Stop propagation so that it doesn't register as a header click event.\r\n    e.preventDefault();\r\n    e.stopPropagation();\r\n  }\r\n\r\n  function handleMenuItemClick(e){\r\n    const command = $(this).data('command');\r\n    const columnDef = $(this).data('column');\r\n    const item = $(this).data('item');\r\n\r\n    if (item.disabled){\r\n      return;\r\n    }\r\n\r\n    hideMenu();\r\n\r\n    if (command != null && command != ''){\r\n      _self.onCommand.notify({\r\n        'grid': _grid,\r\n        'column': columnDef,\r\n        'command': command,\r\n        'item': item\r\n      }, e, _self);\r\n    }\r\n\r\n    // Stop propagation so that it doesn't register as a header click event.\r\n    e.preventDefault();\r\n    e.stopPropagation();\r\n  }\r\n\r\n  Object.assign(this, {\r\n    init,\r\n    destroy,\r\n\r\n    'onBeforeMenuShow': new Slick.Event(),\r\n    'onCommand': new Slick.Event()\r\n  });\r\n}\r\n\n\n\n// WEBPACK FOOTER //\n// ../plugins/slick.headermenu/slick.headermenu.js","import RowMoveManager from './slick.rowmovemanager';\r\nexport default RowMoveManager;\r\n\n\n\n// WEBPACK FOOTER //\n// ../plugins/slick.rowmovemanager/index.js","import Slick from '../../src/slick.core';\r\n\r\nexport default RowMoveManager;\r\n\r\nfunction RowMoveManager(options){\r\n  let _grid;\r\n  let _canvas;\r\n  let _dragging;\r\n  const _self = this;\r\n  const _handler = new Slick.EventHandler();\r\n  const _defaults = {\r\n    cancelEditOnDrag: false\r\n  };\r\n\r\n  function init(grid){\r\n    options = Object.assign({}, _defaults, options);\r\n    _grid = grid;\r\n    _canvas = _grid.getCanvasNode();\r\n    _handler\r\n      .subscribe(_grid.onDragInit, handleDragInit)\r\n      .subscribe(_grid.onDragStart, handleDragStart)\r\n      .subscribe(_grid.onDrag, handleDrag)\r\n      .subscribe(_grid.onDragEnd, handleDragEnd);\r\n  }\r\n\r\n  function destroy(){\r\n    _handler.unsubscribeAll();\r\n  }\r\n\r\n  function handleDragInit(e, dd){\r\n    // prevent the grid from cancelling drag'n'drop by default\r\n    e.stopImmediatePropagation();\r\n  }\r\n\r\n  function handleDragStart(e, dd){\r\n    const cell = _grid.getCellFromEvent(e);\r\n\r\n    if (options.cancelEditOnDrag && _grid.getEditorLock().isActive()){\r\n      _grid.getEditorLock().cancelCurrentEdit();\r\n    }\r\n\r\n    if (_grid.getEditorLock().isActive() || !/move|selectAndMove/.test(_grid.getColumns()[cell.cell].behavior)){\r\n      return false;\r\n    }\r\n\r\n    _dragging = true;\r\n    e.stopImmediatePropagation();\r\n\r\n    let selectedRows = _grid.getSelectedRows();\r\n\r\n    if (selectedRows.length == 0 || $.inArray(cell.row, selectedRows) == -1){\r\n      selectedRows = [cell.row];\r\n      _grid.setSelectedRows(selectedRows);\r\n    }\r\n\r\n    const rowHeight = _grid.getOptions().rowHeight;\r\n\r\n    dd.selectedRows = selectedRows;\r\n\r\n    dd.selectionProxy = $(\"<div class='slick-reorder-proxy'/>\")\r\n      .css('position', 'absolute')\r\n      .css('zIndex', '99999')\r\n      .css('width', $(_canvas).innerWidth())\r\n      .css('height', rowHeight * selectedRows.length)\r\n      .appendTo(_canvas);\r\n\r\n    dd.guide = $(\"<div class='slick-reorder-guide'/>\")\r\n      .css('position', 'absolute')\r\n      .css('zIndex', '99998')\r\n      .css('width', $(_canvas).innerWidth())\r\n      .css('top', -1000)\r\n      .appendTo(_canvas);\r\n\r\n    dd.insertBefore = -1;\r\n  }\r\n\r\n  function handleDrag(e, dd){\r\n    if (!_dragging){\r\n      return;\r\n    }\r\n\r\n    e.stopImmediatePropagation();\r\n\r\n    const top = e.pageY - $(_canvas).offset().top;\r\n    dd.selectionProxy.css('top', top - 5);\r\n\r\n    const insertBefore = Math.max(0, Math.min(Math.round(top / _grid.getOptions().rowHeight), _grid.getDataLength()));\r\n    if (insertBefore !== dd.insertBefore){\r\n      const eventData = {\r\n        'rows': dd.selectedRows,\r\n        'insertBefore': insertBefore\r\n      };\r\n\r\n      if (_self.onBeforeMoveRows.notify(eventData) === false){\r\n        dd.guide.css('top', -1000);\r\n        dd.canMove = false;\r\n      } else {\r\n        dd.guide.css('top', insertBefore * _grid.getOptions().rowHeight);\r\n        dd.canMove = true;\r\n      }\r\n\r\n      dd.insertBefore = insertBefore;\r\n    }\r\n  }\r\n\r\n  function handleDragEnd(e, dd){\r\n    if (!_dragging){\r\n      return;\r\n    }\r\n    _dragging = false;\r\n    e.stopImmediatePropagation();\r\n\r\n    dd.guide.remove();\r\n    dd.selectionProxy.remove();\r\n\r\n    if (dd.canMove){\r\n      const eventData = {\r\n        'rows': dd.selectedRows,\r\n        'insertBefore': dd.insertBefore\r\n      };\r\n      // TODO:  _grid.remapCellCssClasses ?\r\n      _self.onMoveRows.notify(eventData);\r\n    }\r\n  }\r\n\r\n  Object.assign(this, {\r\n    'onBeforeMoveRows': new Slick.Event(),\r\n    'onMoveRows': new Slick.Event(),\r\n    init,\r\n    destroy\r\n  });\r\n}\r\n\n\n\n// WEBPACK FOOTER //\n// ../plugins/slick.rowmovemanager/slick.rowmovemanager.js","import RowSelectionModel from './slick.rowselectionmodel';\r\nexport default RowSelectionModel;\r\n\n\n\n// WEBPACK FOOTER //\n// ../plugins/slick.rowselectionmodel/index.js","import $ from 'jquery';\r\nimport Slick from '../../src/slick.core';\r\n\r\nexport default RowSelectionModel;\r\n\r\nfunction RowSelectionModel(options){\r\n  let _grid;\r\n  let _ranges = [];\r\n  const _self = this;\r\n  const _handler = new Slick.EventHandler();\r\n  let _inHandler;\r\n  let _options;\r\n  const _defaults = {\r\n    selectActiveRow: true\r\n  };\r\n\r\n  function init(grid){\r\n    _options = Object.assign({}, _defaults, options);\r\n    _grid = grid;\r\n    _handler.subscribe(_grid.onActiveCellChanged,\r\n      wrapHandler(handleActiveCellChange));\r\n    _handler.subscribe(_grid.onKeyDown,\r\n      wrapHandler(handleKeyDown));\r\n    _handler.subscribe(_grid.onClick,\r\n      wrapHandler(handleClick));\r\n  }\r\n\r\n  function destroy(){\r\n    _handler.unsubscribeAll();\r\n  }\r\n\r\n  function wrapHandler(handler){\r\n    return function(){\r\n      if (!_inHandler){\r\n        _inHandler = true;\r\n        handler.apply(this, arguments);\r\n        _inHandler = false;\r\n      }\r\n    };\r\n  }\r\n\r\n  function rangesToRows(ranges){\r\n    const rows = [];\r\n    for (let i = 0; i < ranges.length; i++){\r\n      for (let j = ranges[i].fromRow; j <= ranges[i].toRow; j++){\r\n        rows.push(j);\r\n      }\r\n    }\r\n    return rows;\r\n  }\r\n\r\n  function rowsToRanges(rows){\r\n    const ranges = [];\r\n    const lastCell = _grid.getColumns().length - 1;\r\n    for (let i = 0; i < rows.length; i++){\r\n      ranges.push(new Slick.Range(rows[i], 0, rows[i], lastCell));\r\n    }\r\n    return ranges;\r\n  }\r\n\r\n  function getRowsRange(from, to){\r\n    let i;\r\n    const rows = [];\r\n    for (i = from; i <= to; i++){\r\n      rows.push(i);\r\n    }\r\n    for (i = to; i < from; i++){\r\n      rows.push(i);\r\n    }\r\n    return rows;\r\n  }\r\n\r\n  function getSelectedRows(){\r\n    return rangesToRows(_ranges);\r\n  }\r\n\r\n  function setSelectedRows(rows){\r\n    setSelectedRanges(rowsToRanges(rows));\r\n  }\r\n\r\n  function setSelectedRanges(ranges){\r\n    // simle check for: empty selection didn't change, prevent firing onSelectedRangesChanged\r\n    if ((!_ranges || _ranges.length === 0) && (!ranges || ranges.length === 0)){\r\n      return;\r\n    }\r\n    _ranges = ranges;\r\n    _self.onSelectedRangesChanged.notify(_ranges);\r\n  }\r\n\r\n  function getSelectedRanges(){\r\n    return _ranges;\r\n  }\r\n\r\n  function handleActiveCellChange(e, data){\r\n    if (_options.selectActiveRow && data.row != null){\r\n      setSelectedRanges([new Slick.Range(data.row, 0, data.row, _grid.getColumns().length - 1)]);\r\n    }\r\n  }\r\n\r\n  function handleKeyDown(e){\r\n    const activeRow = _grid.getActiveCell();\r\n    if (activeRow && e.shiftKey && !e.ctrlKey && !e.altKey && !e.metaKey && (e.which == 38 || e.which == 40)){\r\n      let selectedRows = getSelectedRows();\r\n      selectedRows.sort(function(x, y){\r\n        return x - y;\r\n      });\r\n\r\n      if (!selectedRows.length){\r\n        selectedRows = [activeRow.row];\r\n      }\r\n\r\n      let top = selectedRows[0];\r\n      let bottom = selectedRows[selectedRows.length - 1];\r\n      let active;\r\n\r\n      if (e.which == 40){\r\n        active = activeRow.row < bottom || top == bottom ? ++bottom : ++top;\r\n      } else {\r\n        active = activeRow.row < bottom ? --bottom : --top;\r\n      }\r\n\r\n      if (active >= 0 && active < _grid.getDataLength()){\r\n        _grid.scrollRowIntoView(active);\r\n        _ranges = rowsToRanges(getRowsRange(top, bottom));\r\n        setSelectedRanges(_ranges);\r\n      }\r\n\r\n      e.preventDefault();\r\n      e.stopPropagation();\r\n    }\r\n  }\r\n\r\n  function handleClick(e){\r\n    const cell = _grid.getCellFromEvent(e);\r\n    if (!cell || !_grid.canCellBeActive(cell.row, cell.cell)){\r\n      return false;\r\n    }\r\n\r\n    if (!_grid.getOptions().multiSelect || (\r\n      !e.ctrlKey && !e.shiftKey && !e.metaKey)){\r\n      return false;\r\n    }\r\n\r\n    let selection = rangesToRows(_ranges);\r\n    const idx = $.inArray(cell.row, selection);\r\n\r\n    if (idx === -1 && (e.ctrlKey || e.metaKey)){\r\n      selection.push(cell.row);\r\n      _grid.setActiveCell(cell.row, cell.cell);\r\n    } else if (idx !== -1 && (e.ctrlKey || e.metaKey)){\r\n      selection = $.grep(selection, function(o, i){\r\n        return (o !== cell.row);\r\n      });\r\n      _grid.setActiveCell(cell.row, cell.cell);\r\n    } else if (selection.length && e.shiftKey){\r\n      const last = selection.pop();\r\n      const from = Math.min(cell.row, last);\r\n      const to = Math.max(cell.row, last);\r\n      selection = [];\r\n      for (let i = from; i <= to; i++){\r\n        if (i !== last){\r\n          selection.push(i);\r\n        }\r\n      }\r\n      selection.push(last);\r\n      _grid.setActiveCell(cell.row, cell.cell);\r\n    }\r\n\r\n    _ranges = rowsToRanges(selection);\r\n    setSelectedRanges(_ranges);\r\n    e.stopImmediatePropagation();\r\n\r\n    return true;\r\n  }\r\n\r\n  Object.assign(this, {\r\n    getSelectedRows,\r\n    setSelectedRows,\r\n\r\n    getSelectedRanges,\r\n    setSelectedRanges,\r\n\r\n    init,\r\n    destroy,\r\n\r\n    'onSelectedRangesChanged': new Slick.Event()\r\n  });\r\n}\r\n\n\n\n// WEBPACK FOOTER //\n// ../plugins/slick.rowselectionmodel/slick.rowselectionmodel.js","import Slick from './slick.core';\r\nimport Editors from './slick.editors';\r\nimport Data from './slick.dataview';\r\nimport Grid from './slick.grid';\r\nimport FrozenGrid from './slick-frozen.grid';\r\nimport Formatters from './slick.formatters';\r\nimport * as Plugins from '../plugins';\r\n\r\nexport {\r\n  Slick,\r\n  Editors,\r\n  Formatters,\r\n  Data,\r\n  Grid,\r\n  FrozenGrid,\r\n  Plugins\r\n}\r\n\n\n\n// WEBPACK FOOTER //\n// ../src/index.js","/**\r\n * @license\r\n * (c) 2009-2013 Michael Leibman\r\n * michael{dot}leibman{at}gmail{dot}com\r\n * http://github.com/mleibman/slickgrid\r\n *\r\n * Distributed under MIT license.\r\n * All rights reserved.\r\n *\r\n * SlickGrid v2.2\r\n *\r\n * NOTES:\r\n *     Cell/row DOM manipulations are done directly bypassing jQuery's DOM manipulation methods.\r\n *     This increases the speed dramatically, but can only be done safely because there are no event handlers\r\n *     or data associated with any cell/row DOM nodes.  Cell editors must make sure they implement .destroy()\r\n *     and do proper cleanup.\r\n */\r\n\r\nimport $ from 'jquery';\r\nimport interact from './interact.js';\r\n\r\nimport Slick from './slick.core';\r\n\r\n// Slick.Grid globals pretense\r\nSlick.FrozenGrid = SlickGrid;\r\n\r\nexport default SlickGrid;\r\n\r\n// shared across all grids on the page\r\nvar scrollbarDimensions;\r\nvar maxSupportedCssHeight; // browser's breaking point\r\n\r\n//////////////////////////////////////////////////////////////////////////////////////////////\r\n// SlickGrid class implementation (available as Slick.Grid)\r\n\r\n/**\r\n * Creates a new instance of the grid.\r\n * @class SlickGrid\r\n * @constructor\r\n * @param {Node}              container   Container node to create the grid in.\r\n * @param {Array,Object}      data        An array of objects for databinding.\r\n * @param {Array}             columns     An array of column definitions.\r\n * @param {Object}            options     Grid options.\r\n **/\r\nfunction SlickGrid(container, data, columns, options){\r\n  // settings\r\n  var defaults = {\r\n    explicitInitialization: false,\r\n    rowHeight: 25,\r\n    defaultColumnWidth: 80,\r\n    enableAddRow: false,\r\n    leaveSpaceForNewRows: false,\r\n    editable: false,\r\n    autoEdit: true,\r\n    enableCellNavigation: true,\r\n    enableColumnReorder: true,\r\n    asyncEditorLoading: false,\r\n    asyncEditorLoadDelay: 100,\r\n    forceFitColumns: false,\r\n    enableAsyncPostRender: false,\r\n    asyncPostRenderDelay: 50,\r\n    autoHeight: false,\r\n    editorLock: Slick.GlobalEditorLock,\r\n    showHeaderRow: false,\r\n    headerRowHeight: 25,\r\n    showFooterRow: false,\r\n    footerRowHeight: 25,\r\n    showTopPanel: false,\r\n    topPanelHeight: 25,\r\n    formatterFactory: null,\r\n    editorFactory: null,\r\n    cellFlashingCssClass: \"flashing\",\r\n    selectedCellCssClass: \"selected\",\r\n    multiSelect: true,\r\n    enableTextSelectionOnCells: false,\r\n    dataItemColumnValueExtractor: null,\r\n    frozenBottom: false,\r\n    frozenColumn: -1,\r\n    frozenRow: -1,\r\n    fullWidthRows: false,\r\n    multiColumnSort: false,\r\n    defaultFormatter: defaultFormatter,\r\n    forceSyncScrolling: false,\r\n    addNewRowCssClass: \"new-row\"\r\n  };\r\n\r\n  var columnDefaults = {\r\n    name: \"\",\r\n    resizable: true,\r\n    sortable: false,\r\n    minWidth: 30,\r\n    rerenderOnResize: false,\r\n    headerCssClass: null,\r\n    defaultSortAsc: true,\r\n    focusable: true,\r\n    selectable: true\r\n  };\r\n\r\n  // scroller\r\n  var th; // virtual height\r\n  var h; // real scrollable height\r\n  var ph; // page height\r\n  var n; // number of pages\r\n  var cj; // \"jumpiness\" coefficient\r\n\r\n  var page = 0; // current page\r\n  var offset = 0; // current page offset\r\n  var vScrollDir = 1;\r\n\r\n  // private\r\n  var initialized = false;\r\n  var $container;\r\n  var uid = \"slickgrid_\" + Math.round(1000000 * Math.random());\r\n  var self = this;\r\n  var $focusSink, $focusSink2;\r\n  var $groupHeaders = $();\r\n  var $headerScroller;\r\n  var $headers;\r\n  var $headerRow, $headerRowScroller, $headerRowSpacerL, $headerRowSpacerR;\r\n  var $footerRow, $footerRowScroller, $footerRowSpacerL, $footerRowSpacerR;\r\n  var $topPanelScroller;\r\n  var $topPanel;\r\n  var $viewport;\r\n  var $canvas;\r\n  var $style;\r\n  var $boundAncestors;\r\n  var treeColumns;\r\n  var stylesheet, columnCssRulesL, columnCssRulesR;\r\n  var viewportH, viewportW;\r\n  var canvasWidth, canvasWidthL, canvasWidthR;\r\n  var headersWidth, headersWidthL, headersWidthR;\r\n  var viewportHasHScroll, viewportHasVScroll;\r\n  var headerColumnWidthDiff = 0,\r\n    headerColumnHeightDiff = 0, // border+padding\r\n    cellWidthDiff = 0,\r\n    cellHeightDiff = 0;\r\n  var absoluteColumnMinWidth;\r\n  var hasFrozenRows = false;\r\n  var frozenRowsHeight = 0;\r\n  var actualFrozenRow = -1;\r\n  var paneTopH = 0;\r\n  var paneBottomH = 0;\r\n  var viewportTopH = 0;\r\n  var viewportBottomH = 0;\r\n  var topPanelH = 0;\r\n  var headerRowH = 0;\r\n  var footerRowH = 0;\r\n\r\n  var tabbingDirection = 1;\r\n  var $activeCanvasNode;\r\n  var $activeViewportNode;\r\n  var activePosX;\r\n  var activeRow, activeCell;\r\n  var activeCellNode = null;\r\n  var currentEditor = null;\r\n  var serializedEditorValue;\r\n  var editController;\r\n\r\n  var rowsCache = {};\r\n  var renderedRows = 0;\r\n  var numVisibleRows = 0;\r\n  var prevScrollTop = 0;\r\n  var scrollTop = 0;\r\n  var lastRenderedScrollTop = 0;\r\n  var lastRenderedScrollLeft = 0;\r\n  var prevScrollLeft = 0;\r\n  var scrollLeft = 0;\r\n\r\n  var selectionModel;\r\n  var selectedRows = [];\r\n\r\n  var plugins = [];\r\n  var cellCssClasses = {};\r\n\r\n  var columnsById = {};\r\n  var sortColumns = [];\r\n  var columnPosLeft = [];\r\n  var columnPosRight = [];\r\n\r\n  // async call handles\r\n  var h_editorLoader = null;\r\n  var h_render = null;\r\n  var h_postrender = null;\r\n  var postProcessedRows = {};\r\n  var postProcessToRow = null;\r\n  var postProcessFromRow = null;\r\n\r\n  // perf counters\r\n  var counter_rows_rendered = 0;\r\n  var counter_rows_removed = 0;\r\n\r\n  // These two variables work around a bug with inertial scrolling in Webkit/Blink on Mac.\r\n  // See http://crbug.com/312427.\r\n  var rowNodeFromLastMouseWheelEvent; // this node must not be deleted while inertial scrolling\r\n  var zombieRowNodeFromLastMouseWheelEvent; // node that was hidden instead of getting deleted\r\n\r\n  var $paneHeaderL;\r\n  var $paneHeaderR;\r\n  var $paneTopL;\r\n  var $paneTopR;\r\n  var $paneBottomL;\r\n  var $paneBottomR;\r\n\r\n  var $headerScrollerL;\r\n  var $headerScrollerR;\r\n\r\n  var $headerL;\r\n  var $headerR;\r\n\r\n  var $groupHeadersL;\r\n  var $groupHeadersR;\r\n\r\n  var $headerRowScrollerL;\r\n  var $headerRowScrollerR;\r\n\r\n  var $footerRowScrollerL;\r\n  var $footerRowScrollerR;\r\n\r\n  var $headerRowL;\r\n  var $headerRowR;\r\n\r\n  var $footerRowL;\r\n  var $footerRowR;\r\n\r\n  var $topPanelScrollerL;\r\n  var $topPanelScrollerR;\r\n\r\n  var $topPanelL;\r\n  var $topPanelR;\r\n\r\n  var $viewportTopL;\r\n  var $viewportTopR;\r\n  var $viewportBottomL;\r\n  var $viewportBottomR;\r\n\r\n  var $canvasTopL;\r\n  var $canvasTopR;\r\n  var $canvasBottomL;\r\n  var $canvasBottomR;\r\n\r\n  var $viewportScrollContainerX;\r\n  var $viewportScrollContainerY;\r\n  var $headerScrollContainer;\r\n  var $headerRowScrollContainer;\r\n  var $footerRowScrollContainer;\r\n\r\n  //////////////////////////////////////////////////////////////////////////////////////////////\r\n  // Initialization\r\n\r\n  function init(){\r\n    $container = $(container);\r\n    if ($container.length < 1){\r\n      throw new Error(\"SlickGrid requires a valid container, \" + container + \" does not exist in the DOM.\");\r\n    }\r\n\r\n    // calculate these only once and share between grid instances\r\n    maxSupportedCssHeight = maxSupportedCssHeight || getMaxSupportedCssHeight();\r\n    scrollbarDimensions = scrollbarDimensions || measureScrollbar();\r\n\r\n    options = $.extend({}, defaults, options);\r\n    validateAndEnforceOptions();\r\n    columnDefaults.width = options.defaultColumnWidth;\r\n\r\n    treeColumns = new Slick.TreeColumns(columns);\r\n    columns = treeColumns.extractColumns();\r\n\r\n    columnsById = {};\r\n    for (var i = 0; i < columns.length; i++){\r\n      var m = columns[i] = $.extend({}, columnDefaults, columns[i]);\r\n      columnsById[m.id] = i;\r\n      if (m.minWidth && m.width < m.minWidth){\r\n        m.width = m.minWidth;\r\n      }\r\n      if (m.maxWidth && m.width > m.maxWidth){\r\n        m.width = m.maxWidth;\r\n      }\r\n    }\r\n\r\n    editController = {\r\n      \"commitCurrentEdit\": commitCurrentEdit,\r\n      \"cancelCurrentEdit\": cancelCurrentEdit\r\n    };\r\n\r\n    $container.empty()\r\n      .css(\"overflow\", \"hidden\")\r\n      .css(\"outline\", 0)\r\n      .addClass(uid)\r\n      .addClass(\"ui-widget\");\r\n\r\n    // set up a positioning container if needed\r\n    if (!/relative|absolute|fixed/.test($container.css(\"position\"))){\r\n      $container.css(\"position\", \"relative\");\r\n    }\r\n\r\n    $focusSink = $(\"<div tabIndex='0' hideFocus style='position:fixed;width:0;height:0;top:0;left:0;outline:0;'></div>\").appendTo($container);\r\n\r\n    // Containers used for scrolling frozen columns and rows\r\n    $paneHeaderL = $(\"<div class='slick-pane slick-pane-header slick-pane-left' tabIndex='0' />\").appendTo($container);\r\n    $paneHeaderR = $(\"<div class='slick-pane slick-pane-header slick-pane-right' tabIndex='0' />\").appendTo($container);\r\n    $paneTopL = $(\"<div class='slick-pane slick-pane-top slick-pane-left' tabIndex='0' />\").appendTo($container);\r\n    $paneTopR = $(\"<div class='slick-pane slick-pane-top slick-pane-right' tabIndex='0' />\").appendTo($container);\r\n    $paneBottomL = $(\"<div class='slick-pane slick-pane-bottom slick-pane-left' tabIndex='0' />\").appendTo($container);\r\n    $paneBottomR = $(\"<div class='slick-pane slick-pane-bottom slick-pane-right' tabIndex='0' />\").appendTo($container);\r\n\r\n    // Append the header scroller containers\r\n    $headerScrollerL = $(\"<div class='ui-state-default slick-header slick-header-left' />\").appendTo($paneHeaderL);\r\n    $headerScrollerR = $(\"<div class='ui-state-default slick-header slick-header-right' />\").appendTo($paneHeaderR);\r\n\r\n    // Cache the header scroller containers\r\n    $headerScroller = $().add($headerScrollerL).add($headerScrollerR);\r\n\r\n    if (treeColumns.hasDepth()){\r\n      $groupHeadersL = [], $groupHeadersR = [];\r\n      for (var index = 0; index < treeColumns.getDepth() - 1; index++){\r\n        $groupHeadersL[index] = $(\"<div class='slick-group-header-columns slick-group-header-columns-left' style='left:-1000px' />\").appendTo($headerScrollerL);\r\n        $groupHeadersR[index] = $(\"<div class='slick-group-header-columns slick-group-header-columns-right' style='left:-1000px' />\").appendTo($headerScrollerR);\r\n      }\r\n\r\n      $groupHeaders = $().add($groupHeadersL).add($groupHeadersR);\r\n    }\r\n\r\n    // Append the columnn containers to the headers\r\n    $headerL = $(\"<div class='slick-header-columns slick-header-columns-left' style='left:-1000px' />\").appendTo($headerScrollerL);\r\n    $headerR = $(\"<div class='slick-header-columns slick-header-columns-right' style='left:-1000px' />\").appendTo($headerScrollerR);\r\n\r\n    // Cache the header columns\r\n    $headers = $().add($headerL).add($headerR);\r\n\r\n    $headerRowScrollerL = $(\"<div class='ui-state-default slick-headerrow' />\").appendTo($paneTopL);\r\n    $headerRowScrollerR = $(\"<div class='ui-state-default slick-headerrow' />\").appendTo($paneTopR);\r\n\r\n    $headerRowScroller = $().add($headerRowScrollerL).add($headerRowScrollerR);\r\n\r\n    $headerRowSpacerL = $(\"<div style='display:block;height:1px;position:absolute;top:0;left:0;'></div>\")\r\n      .css(\"width\", getCanvasWidth() + scrollbarDimensions.width + \"px\")\r\n      .appendTo($headerRowScrollerL);\r\n    $headerRowSpacerR = $(\"<div style='display:block;height:1px;position:absolute;top:0;left:0;'></div>\")\r\n      .css(\"width\", getCanvasWidth() + scrollbarDimensions.width + \"px\")\r\n      .appendTo($headerRowScrollerR);\r\n\r\n    $headerRowL = $(\"<div class='slick-headerrow-columns slick-headerrow-columns-left' />\").appendTo($headerRowScrollerL);\r\n    $headerRowR = $(\"<div class='slick-headerrow-columns slick-headerrow-columns-right' />\").appendTo($headerRowScrollerR);\r\n\r\n    $headerRow = $().add($headerRowL).add($headerRowR);\r\n\r\n    // Append the top panel scroller\r\n    $topPanelScrollerL = $(\"<div class='ui-state-default slick-top-panel-scroller' />\").appendTo($paneTopL);\r\n    $topPanelScrollerR = $(\"<div class='ui-state-default slick-top-panel-scroller' />\").appendTo($paneTopR);\r\n\r\n    $topPanelScroller = $().add($topPanelScrollerL).add($topPanelScrollerR);\r\n\r\n    // Append the top panel\r\n    $topPanelL = $(\"<div class='slick-top-panel' style='width:10000px' />\").appendTo($topPanelScrollerL);\r\n    $topPanelR = $(\"<div class='slick-top-panel' style='width:10000px' />\").appendTo($topPanelScrollerR);\r\n\r\n    $topPanel = $().add($topPanelL).add($topPanelR);\r\n\r\n    if (!options.showTopPanel){\r\n      $topPanelScroller.hide();\r\n    }\r\n\r\n    if (!options.showHeaderRow){\r\n      $headerRowScroller.hide();\r\n    }\r\n\r\n    // Append the viewport containers\r\n    $viewportTopL = $(\"<div class='slick-viewport slick-viewport-top slick-viewport-left' tabIndex='0' hideFocus />\").appendTo($paneTopL);\r\n    $viewportTopR = $(\"<div class='slick-viewport slick-viewport-top slick-viewport-right' tabIndex='0' hideFocus />\").appendTo($paneTopR);\r\n    $viewportBottomL = $(\"<div class='slick-viewport slick-viewport-bottom slick-viewport-left' tabIndex='0' hideFocus />\").appendTo($paneBottomL);\r\n    $viewportBottomR = $(\"<div class='slick-viewport slick-viewport-bottom slick-viewport-right' tabIndex='0' hideFocus />\").appendTo($paneBottomR);\r\n\r\n    // Cache the viewports\r\n    $viewport = $().add($viewportTopL).add($viewportTopR).add($viewportBottomL).add($viewportBottomR);\r\n\r\n    // Default the active viewport to the top left\r\n    $activeViewportNode = $viewportTopL;\r\n\r\n    // Append the canvas containers\r\n    $canvasTopL = $(\"<div class='grid-canvas grid-canvas-top grid-canvas-left' tabIndex='0' hideFocus />\").appendTo($viewportTopL);\r\n    $canvasTopR = $(\"<div class='grid-canvas grid-canvas-top grid-canvas-right' tabIndex='0' hideFocus />\").appendTo($viewportTopR);\r\n    $canvasBottomL = $(\"<div class='grid-canvas grid-canvas-bottom grid-canvas-left' tabIndex='0' hideFocus />\").appendTo($viewportBottomL);\r\n    $canvasBottomR = $(\"<div class='grid-canvas grid-canvas-bottom grid-canvas-right' tabIndex='0' hideFocus />\").appendTo($viewportBottomR);\r\n\r\n    // Cache the canvases\r\n    $canvas = $().add($canvasTopL).add($canvasTopR).add($canvasBottomL).add($canvasBottomR);\r\n\r\n    // Default the active canvas to the top left\r\n    $activeCanvasNode = $canvasTopL;\r\n\r\n    // footer Row\r\n    $footerRowScrollerR = $(\"<div class='ui-state-default slick-footerrow' />\").appendTo($paneTopR);\r\n    $footerRowScrollerL = $(\"<div class='ui-state-default slick-footerrow' />\").appendTo($paneTopL);\r\n\r\n    $footerRowScroller = $().add($footerRowScrollerL).add($footerRowScrollerR);\r\n\r\n    $footerRowSpacerL = $(\"<div style='display:block;height:1px;position:absolute;top:0;left:0;'></div>\")\r\n      .css(\"width\", getCanvasWidth() + scrollbarDimensions.width + \"px\")\r\n      .appendTo($footerRowScrollerL);\r\n    $footerRowSpacerR = $(\"<div style='display:block;height:1px;position:absolute;top:0;left:0;'></div>\")\r\n      .css(\"width\", getCanvasWidth() + scrollbarDimensions.width + \"px\")\r\n      .appendTo($footerRowScrollerR);\r\n\r\n    $footerRowL = $(\"<div class='slick-footerrow-columns slick-footerrow-columns-left' />\").appendTo($footerRowScrollerL);\r\n    $footerRowR = $(\"<div class='slick-footerrow-columns slick-footerrow-columns-right' />\").appendTo($footerRowScrollerR);\r\n\r\n    $footerRow = $().add($footerRowL).add($footerRowR);\r\n\r\n    if (!options.showFooterRow){\r\n      $footerRowScroller.hide();\r\n    }\r\n\r\n    $focusSink2 = $focusSink.clone().appendTo($container);\r\n\r\n    if (!options.explicitInitialization){\r\n      finishInitialization();\r\n    }\r\n  }\r\n\r\n  function finishInitialization(){\r\n    if (!initialized){\r\n      initialized = true;\r\n\r\n      getViewportWidth();\r\n      getViewportHeight();\r\n\r\n      // header columns and cells may have different padding/border skewing width calculations (box-sizing, hello?)\r\n      // calculate the diff so we can set consistent sizes\r\n      measureCellPaddingAndBorder();\r\n\r\n      // for usability reasons, all text selection in SlickGrid is disabled\r\n      // with the exception of input and textarea elements (selection must\r\n      // be enabled there so that editors work as expected); note that\r\n      // selection in grid cells (grid body) is already unavailable in\r\n      // all browsers except IE\r\n      disableSelection($headers); // disable all text selection in header (including input and textarea)\r\n\r\n      if (!options.enableTextSelectionOnCells){\r\n        // disable text selection in grid cells except in input and textarea elements\r\n        // (this is IE-specific, because selectstart event will only fire in IE)\r\n        $viewport.bind(\"selectstart.ui\", function(event){\r\n          return $(event.target).is(\"input,textarea\");\r\n        });\r\n      }\r\n\r\n      setFrozenOptions();\r\n      setPaneVisibility();\r\n      setScroller();\r\n      setOverflow();\r\n\r\n      updateColumnCaches();\r\n      createColumnHeaders();\r\n      createColumnGroupHeaders();\r\n      createColumnFooter();\r\n      setupColumnSort();\r\n      createCssRules();\r\n      resizeCanvas();\r\n      bindAncestorScrollEvents();\r\n\r\n      $container.bind(\"resize.slickgrid\", resizeCanvas);\r\n      $viewport.on(\"scroll\", handleScroll);\r\n\r\n      if ($.fn.mousewheel && (options.frozenColumn > -1 || hasFrozenRows)){\r\n        $viewport.on(\"mousewheel\", handleMouseWheel);\r\n      }\r\n\r\n      $headerScroller.bind(\"contextmenu\", handleHeaderContextMenu)\r\n        .bind(\"click\", handleHeaderClick)\r\n        .delegate(\".slick-header-column\", \"mouseenter\", handleHeaderMouseEnter)\r\n        .delegate(\".slick-header-column\", \"mouseleave\", handleHeaderMouseLeave);\r\n      $headerRowScroller.bind(\"scroll\", handleHeaderRowScroll);\r\n\r\n      $footerRowScroller.bind(\"scroll\", handleFooterRowScroll);\r\n\r\n      $focusSink.add($focusSink2)\r\n        .bind(\"keydown\", handleKeyDown);\r\n      $canvas.bind(\"keydown\", handleKeyDown)\r\n        .bind(\"click\", handleClick)\r\n        .bind(\"dblclick\", handleDblClick)\r\n        .bind(\"contextmenu\", handleContextMenu)\r\n        .delegate(\".slick-cell\", \"mouseenter\", handleMouseEnter)\r\n        .delegate(\".slick-cell\", \"mouseleave\", handleMouseLeave);\r\n\r\n      // legacy support for drag events\r\n      interact($canvas[0]).allowFrom('div.slick-cell').draggable({\r\n        onmove: handleDrag,\r\n        onstart: handleDragStart,\r\n        onend: handleDragEnd\r\n      }).styleCursor(false);\r\n\r\n      // Work around http://crbug.com/312427.\r\n      if (navigator.userAgent.toLowerCase().match(/webkit/) && navigator.userAgent.toLowerCase().match(/macintosh/)){\r\n        $canvas.on(\"mousewheel\", handleMouseWheel);\r\n      }\r\n    }\r\n  }\r\n\r\n  function hasFrozenColumns(){\r\n    return options.frozenColumn > -1;\r\n  }\r\n\r\n  function registerPlugin(plugin){\r\n    plugins.unshift(plugin);\r\n    plugin.init(self);\r\n  }\r\n\r\n  function unregisterPlugin(plugin){\r\n    for (var i = plugins.length; i >= 0; i--){\r\n      if (plugins[i] === plugin){\r\n        if (plugins[i].destroy){\r\n          plugins[i].destroy();\r\n        }\r\n        plugins.splice(i, 1);\r\n        break;\r\n      }\r\n    }\r\n  }\r\n\r\n  function setSelectionModel(model){\r\n    if (selectionModel){\r\n      selectionModel.onSelectedRangesChanged.unsubscribe(handleSelectedRangesChanged);\r\n      if (selectionModel.destroy){\r\n        selectionModel.destroy();\r\n      }\r\n    }\r\n\r\n    selectionModel = model;\r\n    if (selectionModel){\r\n      selectionModel.init(self);\r\n      selectionModel.onSelectedRangesChanged.subscribe(handleSelectedRangesChanged);\r\n    }\r\n  }\r\n\r\n  function getSelectionModel(){\r\n    return selectionModel;\r\n  }\r\n\r\n  function getCanvasNode(){\r\n    return $canvas[0];\r\n  }\r\n\r\n  function getActiveCanvasNode(element){\r\n    setActiveCanvasNode(element);\r\n\r\n    return $activeCanvasNode[0];\r\n  }\r\n\r\n  function getCanvases(){\r\n    return $canvas;\r\n  }\r\n\r\n  function setActiveCanvasNode(element){\r\n    if (element){\r\n      $activeCanvasNode = $(element.target).closest('.grid-canvas');\r\n    }\r\n  }\r\n\r\n  function getViewportNode(){\r\n    return $viewport[0];\r\n  }\r\n\r\n  function getActiveViewportNode(element){\r\n    setActiveViewPortNode(element);\r\n\r\n    return $activeViewportNode[0];\r\n  }\r\n\r\n  function setActiveViewportNode(element){\r\n    if (element){\r\n      $activeViewportNode = $(element.target).closest('.slick-viewport');\r\n    }\r\n  }\r\n\r\n  function measureScrollbar(){\r\n    var $c = $(\"<div class='scrollbar-fix' style='position:absolute; top:-10000px; left:-10000px; width:100px; height:100px; overflow:scroll;'></div>\").appendTo(document.body);\r\n    var dim = {\r\n      width: $c.width() - $c[0].clientWidth,\r\n      height: $c.height() - $c[0].clientHeight\r\n    };\r\n    $c.remove();\r\n    return dim;\r\n  }\r\n\r\n  function getHeadersWidth(){\r\n    headersWidth = headersWidthL = headersWidthR = 0;\r\n\r\n    for (var i = 0, ii = columns.length; i < ii; i++){\r\n      var width = columns[i].width;\r\n\r\n      if ((options.frozenColumn) > -1 && (i > options.frozenColumn)){\r\n        headersWidthR += width;\r\n      } else {\r\n        headersWidthL += width;\r\n      }\r\n    }\r\n\r\n    if (hasFrozenColumns()){\r\n      headersWidthL = headersWidthL + 1000;\r\n\r\n      headersWidthR = Math.max(headersWidthR, viewportW) + headersWidthL;\r\n      headersWidthR += scrollbarDimensions.width;\r\n    } else {\r\n      headersWidthL += scrollbarDimensions.width;\r\n      headersWidthL = Math.max(headersWidthL, viewportW) + 1000;\r\n    }\r\n\r\n    headersWidth = headersWidthL + headersWidthR;\r\n  }\r\n\r\n  function getHeadersWidthL(){\r\n    headersWidthL = 0;\r\n\r\n    columns.forEach(function(column, i){\r\n      if (!((options.frozenColumn) > -1 && (i > options.frozenColumn))) headersWidthL += column.width;\r\n    });\r\n\r\n    if (hasFrozenColumns()){\r\n      headersWidthL += 1000;\r\n    } else {\r\n      headersWidthL += scrollbarDimensions.width;\r\n      headersWidthL = Math.max(headersWidthL, viewportW) + 1000;\r\n    }\r\n\r\n    return headersWidthL;\r\n  }\r\n\r\n  function getHeadersWidthR(){\r\n    headersWidthR = 0;\r\n\r\n    columns.forEach(function(column, i){\r\n      if ((options.frozenColumn) > -1 && (i > options.frozenColumn)) headersWidthR += column.width;\r\n    });\r\n\r\n    if (hasFrozenColumns()){\r\n      headersWidthR = Math.max(headersWidthR, viewportW) + getHeadersWidthL();\r\n      headersWidthR += scrollbarDimensions.width;\r\n    }\r\n\r\n    return headersWidthR;\r\n  }\r\n\r\n  function getCanvasWidth(){\r\n    var availableWidth = viewportHasVScroll ? viewportW - scrollbarDimensions.width : viewportW;\r\n\r\n    var i = columns.length;\r\n\r\n    canvasWidthL = canvasWidthR = 0;\r\n\r\n    while (i--){\r\n      if (hasFrozenColumns() && (i > options.frozenColumn)){\r\n        canvasWidthR += columns[i].width;\r\n      } else {\r\n        canvasWidthL += columns[i].width;\r\n      }\r\n    }\r\n\r\n    var totalRowWidth = canvasWidthL + canvasWidthR;\r\n\r\n    return options.fullWidthRows ? Math.max(totalRowWidth, availableWidth) : totalRowWidth;\r\n  }\r\n\r\n  function updateCanvasWidth(forceColumnWidthsUpdate){\r\n    var oldCanvasWidth = canvasWidth;\r\n    var oldCanvasWidthL = canvasWidthL;\r\n    var oldCanvasWidthR = canvasWidthR;\r\n    var widthChanged;\r\n    canvasWidth = getCanvasWidth();\r\n\r\n    widthChanged = canvasWidth !== oldCanvasWidth || canvasWidthL !== oldCanvasWidthL || canvasWidthR !== oldCanvasWidthR;\r\n\r\n    if (widthChanged || hasFrozenColumns() || hasFrozenRows){\r\n      $canvasTopL.width(canvasWidthL);\r\n\r\n      getHeadersWidth();\r\n\r\n      $headerL.width(headersWidthL);\r\n      $headerR.width(headersWidthR);\r\n\r\n      if (hasFrozenColumns()){\r\n        $canvasTopR.width(canvasWidthR);\r\n\r\n        $paneHeaderL.width(canvasWidthL);\r\n        $paneHeaderR.css('left', canvasWidthL);\r\n        $paneHeaderR.css('width', viewportW - canvasWidthL);\r\n\r\n        $paneTopL.width(canvasWidthL);\r\n        $paneTopR.css('left', canvasWidthL);\r\n        $paneTopR.css('width', viewportW - canvasWidthL);\r\n\r\n        $headerRowScrollerL.width(canvasWidthL);\r\n        $headerRowScrollerR.width(viewportW - canvasWidthL);\r\n\r\n        $headerRowL.width(canvasWidthL);\r\n        $headerRowR.width(canvasWidthR);\r\n\r\n        $footerRowScrollerL.width(canvasWidthL);\r\n        $footerRowScrollerR.width(viewportW - canvasWidthL);\r\n\r\n        $footerRowL.width(canvasWidthL);\r\n        $footerRowR.width(canvasWidthR);\r\n\r\n        $viewportTopL.width(canvasWidthL);\r\n        $viewportTopR.width(viewportW - canvasWidthL);\r\n\r\n        if (hasFrozenRows){\r\n          $paneBottomL.width(canvasWidthL);\r\n          $paneBottomR.css('left', canvasWidthL);\r\n\r\n          $viewportBottomL.width(canvasWidthL);\r\n          $viewportBottomR.width(viewportW - canvasWidthL);\r\n\r\n          $canvasBottomL.width(canvasWidthL);\r\n          $canvasBottomR.width(canvasWidthR);\r\n        }\r\n      } else {\r\n        $paneHeaderL.width('100%');\r\n\r\n        $paneTopL.width('100%');\r\n\r\n        $headerRowScrollerL.width('100%');\r\n\r\n        $headerRowL.width(canvasWidth);\r\n\r\n        $footerRowScrollerL.width('100%');\r\n\r\n        $footerRowL.width(canvasWidth);\r\n\r\n        $viewportTopL.width('100%');\r\n\r\n        if (hasFrozenRows){\r\n          $viewportBottomL.width('100%');\r\n          $canvasBottomL.width(canvasWidthL);\r\n        }\r\n      }\r\n\r\n      viewportHasHScroll = (canvasWidth > viewportW - scrollbarDimensions.width);\r\n    }\r\n\r\n    $headerRowSpacerL.width(canvasWidth + (viewportHasVScroll ? scrollbarDimensions.width : 0));\r\n    $headerRowSpacerR.width(canvasWidth + (viewportHasVScroll ? scrollbarDimensions.width : 0));\r\n\r\n    $footerRowSpacerL.width(canvasWidth + (viewportHasVScroll ? scrollbarDimensions.width : 0));\r\n    $footerRowSpacerR.width(canvasWidth + (viewportHasVScroll ? scrollbarDimensions.width : 0));\r\n\r\n    if (widthChanged || forceColumnWidthsUpdate){\r\n      applyColumnWidths();\r\n    }\r\n  }\r\n\r\n  function disableSelection($target){\r\n    if ($target && $target.jquery){\r\n      $target.attr(\"unselectable\", \"on\")\r\n        .css(\"MozUserSelect\", \"none\")\r\n        .bind(\"selectstart.ui\", function(){\r\n          return false;\r\n        }); // from jquery:ui.core.js 1.7.2\r\n    }\r\n  }\r\n\r\n  function getMaxSupportedCssHeight(){\r\n    var supportedHeight = 1000000;\r\n    // FF reports the height back but still renders blank after ~6M px\r\n    var testUpTo = navigator.userAgent.toLowerCase().match(/firefox/) ? 6000000 : 1000000000;\r\n    var div = $(\"<div style='display:none' />\").appendTo(document.body);\r\n\r\n    while (true){\r\n      var test = supportedHeight * 2;\r\n      div.css(\"height\", test);\r\n      if (test > testUpTo || div.height() !== test){\r\n        break;\r\n      } else {\r\n        supportedHeight = test;\r\n      }\r\n    }\r\n\r\n    div.remove();\r\n    return supportedHeight;\r\n  }\r\n\r\n  // TODO:  this is static.  need to handle page mutation.\r\n  function bindAncestorScrollEvents(){\r\n    var elem = (hasFrozenRows && !options.frozenBottom) ? $canvasBottomL[0] : $canvasTopL[0];\r\n    while ((elem = elem.parentNode) != document.body && elem != null){\r\n      // bind to scroll containers only\r\n      if (elem == $viewportTopL[0] || elem.scrollWidth != elem.clientWidth || elem.scrollHeight != elem.clientHeight){\r\n        var $elem = $(elem);\r\n        if (!$boundAncestors){\r\n          $boundAncestors = $elem;\r\n        } else {\r\n          $boundAncestors = $boundAncestors.add($elem);\r\n        }\r\n        $elem.bind(\"scroll.\" + uid, handleActiveCellPositionChange);\r\n      }\r\n    }\r\n  }\r\n\r\n  function unbindAncestorScrollEvents(){\r\n    if (!$boundAncestors){\r\n      return;\r\n    }\r\n    $boundAncestors.unbind(\"scroll.\" + uid);\r\n    $boundAncestors = null;\r\n  }\r\n\r\n  function updateColumnHeader(columnId, title, toolTip){\r\n    if (!initialized){\r\n      return;\r\n    }\r\n    var idx = getColumnIndex(columnId);\r\n    if (idx == null){\r\n      return;\r\n    }\r\n\r\n    var columnDef = columns[idx];\r\n    var $header = $headers.children().eq(idx);\r\n    if ($header){\r\n      if (title !== undefined){\r\n        columns[idx].name = title;\r\n      }\r\n      if (toolTip !== undefined){\r\n        columns[idx].toolTip = toolTip;\r\n      }\r\n\r\n      trigger(self.onBeforeHeaderCellDestroy, {\r\n        \"node\": $header[0],\r\n        \"column\": columnDef\r\n      });\r\n\r\n      $header.attr(\"title\", toolTip || \"\")\r\n        .children().eq(0).html(title);\r\n\r\n      trigger(self.onHeaderCellRendered, {\r\n        \"node\": $header[0],\r\n        \"column\": columnDef\r\n      });\r\n    }\r\n  }\r\n\r\n  function getHeaderRow(){\r\n    return hasFrozenColumns() ? $headerRow : $headerRow[0];\r\n  }\r\n\r\n  function getHeaderRowColumn(columnId){\r\n    var idx = getColumnIndex(columnId);\r\n\r\n    var $headerRowTarget;\r\n\r\n    if (hasFrozenColumns()){\r\n      if (idx <= options.frozenColumn){\r\n        $headerRowTarget = $headerRowL;\r\n      } else {\r\n        $headerRowTarget = $headerRowR;\r\n\r\n        idx -= options.frozenColumn + 1;\r\n      }\r\n    } else {\r\n      $headerRowTarget = $headerRowL;\r\n    }\r\n\r\n    var $header = $headerRowTarget.children().eq(idx);\r\n    return $header && $header[0];\r\n  }\r\n\r\n  function getFooterRow(){\r\n    return hasFrozenColumns() ? $footerRow : $footerRow[0];\r\n  }\r\n\r\n  function getFooterRowColumn(columnId){\r\n    var idx = getColumnIndex(columnId);\r\n\r\n    var $footerRowTarget;\r\n\r\n    if (hasFrozenColumns()){\r\n      if (idx <= options.frozenColumn){\r\n        $footerRowTarget = $footerRowL;\r\n      } else {\r\n        $footerRowTarget = $footerRowR;\r\n\r\n        idx -= options.frozenColumn + 1;\r\n      }\r\n    } else {\r\n      $footerRowTarget = $footerRowL;\r\n    }\r\n\r\n    var $footer = $footerRowTarget.children().eq(idx);\r\n    return $footer && $footer[0];\r\n  }\r\n\r\n  function createColumnFooter(){\r\n    $footerRow.find(\".slick-footerrow-column\")\r\n      .each(function(){\r\n        var columnDef = $(this).data(\"column\");\r\n        if (columnDef){\r\n          trigger(self.onBeforeFooterRowCellDestroy, {\r\n            \"node\": this,\r\n            \"column\": columnDef\r\n          });\r\n        }\r\n      });\r\n\r\n    $footerRowL.empty();\r\n    $footerRowR.empty();\r\n\r\n    for (var i = 0; i < columns.length; i++){\r\n      var m = columns[i];\r\n\r\n      var footerRowCell = $(\"<div class='ui-state-default slick-footerrow-column l\" + i + \" r\" + i + \"'></div>\")\r\n        .data(\"column\", m)\r\n        .addClass(hasFrozenColumns() && i <= options.frozenColumn ? 'frozen' : '')\r\n        .appendTo(hasFrozenColumns() && (i > options.frozenColumn) ? $footerRowR : $footerRowL);\r\n\r\n      trigger(self.onFooterRowCellRendered, {\r\n        \"node\": footerRowCell[0],\r\n        \"column\": m\r\n      });\r\n    }\r\n  }\r\n\r\n  function createColumnGroupHeaders(){\r\n    var columnsLength = 0;\r\n    var frozenColumnsValid = false;\r\n\r\n    if (!treeColumns.hasDepth()) return;\r\n\r\n    for (var index = 0; index < $groupHeadersL.length; index++){\r\n\r\n      $groupHeadersL[index].empty();\r\n      $groupHeadersR[index].empty();\r\n\r\n      var groupColumns = treeColumns.getColumnsInDepth(index);\r\n\r\n      for (var indexGroup in groupColumns){\r\n        var m = groupColumns[indexGroup];\r\n\r\n        columnsLength += m.extractColumns().length;\r\n\r\n        if (hasFrozenColumns() && index == 0 && (columnsLength - 1) === options.frozenColumn) frozenColumnsValid = true;\r\n\r\n        $(\"<div class='ui-state-default slick-group-header-column' />\")\r\n          .html(\"<span class='slick-column-name'>\" + m.name + \"</span>\")\r\n          .attr(\"id\", \"\" + uid + m.id)\r\n          .attr(\"title\", m.toolTip || \"\")\r\n          .data(\"column\", m)\r\n          .addClass(m.headerCssClass || \"\")\r\n          .addClass(hasFrozenColumns() && (columnsLength - 1) <= options.frozenColumn ? 'frozen' : '')\r\n          .appendTo(hasFrozenColumns() && (columnsLength - 1) > options.frozenColumn ? $groupHeadersR[index] : $groupHeadersL[index]);\r\n      }\r\n\r\n      if (hasFrozenColumns() && index == 0 && !frozenColumnsValid){\r\n        $groupHeadersL[index].empty();\r\n        $groupHeadersR[index].empty();\r\n        alert(\"All columns of group should to be grouped!\");\r\n        break;\r\n      }\r\n    }\r\n\r\n    applyColumnGroupHeaderWidths();\r\n  }\r\n\r\n  function createColumnHeaders(){\r\n    function onMouseEnter(){\r\n      $(this).addClass(\"ui-state-hover\");\r\n    }\r\n\r\n    function onMouseLeave(){\r\n      $(this).removeClass(\"ui-state-hover\");\r\n    }\r\n\r\n    $headers.find(\".slick-header-column\")\r\n      .each(function(){\r\n        var columnDef = $(this).data(\"column\");\r\n        if (columnDef){\r\n          trigger(self.onBeforeHeaderCellDestroy, {\r\n            \"node\": this,\r\n            \"column\": columnDef\r\n          });\r\n        }\r\n      });\r\n\r\n    $headerL.empty();\r\n    $headerR.empty();\r\n\r\n    getHeadersWidth();\r\n\r\n    $headerL.width(headersWidthL);\r\n    $headerR.width(headersWidthR);\r\n\r\n    $headerRow.find(\".slick-headerrow-column\")\r\n      .each(function(){\r\n        var columnDef = $(this).data(\"column\");\r\n        if (columnDef){\r\n          trigger(self.onBeforeHeaderRowCellDestroy, {\r\n            \"node\": this,\r\n            \"column\": columnDef\r\n          });\r\n        }\r\n      });\r\n\r\n    $headerRowL.empty();\r\n    $headerRowR.empty();\r\n\r\n    for (var i = 0; i < columns.length; i++){\r\n      var m = columns[i];\r\n\r\n      var $headerTarget = hasFrozenColumns() ? ((i <= options.frozenColumn) ? $headerL : $headerR) : $headerL;\r\n      var $headerRowTarget = hasFrozenColumns() ? ((i <= options.frozenColumn) ? $headerRowL : $headerRowR) : $headerRowL;\r\n\r\n      var header = $(\"<div class='ui-state-default slick-header-column' />\")\r\n        .html(\"<span class='slick-column-name'>\" + m.name + \"</span>\")\r\n        .width(m.width - headerColumnWidthDiff)\r\n        .attr(\"id\", \"\" + uid + m.id)\r\n        .attr(\"title\", m.toolTip || \"\")\r\n        .data(\"column\", m)\r\n        .addClass(m.headerCssClass || \"\")\r\n        .addClass(hasFrozenColumns() && i <= options.frozenColumn ? 'frozen' : '')\r\n        .appendTo($headerTarget);\r\n\r\n      if (options.enableColumnReorder || m.sortable){\r\n        header.on('mouseenter', onMouseEnter)\r\n          .on('mouseleave', onMouseLeave);\r\n      }\r\n\r\n      if (m.sortable){\r\n        header.addClass(\"slick-header-sortable\");\r\n        header.append(\"<span class='slick-sort-indicator' />\");\r\n      }\r\n\r\n      trigger(self.onHeaderCellRendered, {\r\n        \"node\": header[0],\r\n        \"column\": m\r\n      });\r\n\r\n      if (options.showHeaderRow){\r\n        var headerRowCell = $(\"<div class='ui-state-default slick-headerrow-column l\" + i + \" r\" + i + \"'></div>\")\r\n          .data(\"column\", m)\r\n          .appendTo($headerRowTarget);\r\n\r\n        trigger(self.onHeaderRowCellRendered, {\r\n          \"node\": headerRowCell[0],\r\n          \"column\": m\r\n        });\r\n      }\r\n    }\r\n\r\n    setSortColumns(sortColumns);\r\n    setupColumnResize();\r\n    if (options.enableColumnReorder){\r\n      setupColumnReorder();\r\n    }\r\n  }\r\n\r\n  function setupColumnSort(){\r\n    $headers.click(function(e){\r\n      // temporary workaround for a bug in jQuery 1.7.1 (http://bugs.jquery.com/ticket/11328)\r\n      e.metaKey = e.metaKey || e.ctrlKey;\r\n\r\n      if ($(e.target).hasClass(\"slick-resizable-handle\")){\r\n        return;\r\n      }\r\n\r\n      var $col = $(e.target).closest(\".slick-header-column\");\r\n      if (!$col.length){\r\n        return;\r\n      }\r\n\r\n      var column = $col.data(\"column\");\r\n      if (column.sortable){\r\n        if (!getEditorLock().commitCurrentEdit()){\r\n          return;\r\n        }\r\n\r\n        var sortOpts = null;\r\n        var i = 0;\r\n        for (; i < sortColumns.length; i++){\r\n          if (sortColumns[i].columnId == column.id){\r\n            sortOpts = sortColumns[i];\r\n            sortOpts.sortAsc = !sortOpts.sortAsc;\r\n            break;\r\n          }\r\n        }\r\n\r\n        if (e.metaKey && options.multiColumnSort){\r\n          if (sortOpts){\r\n            sortColumns.splice(i, 1);\r\n          }\r\n        } else {\r\n          if ((!e.shiftKey && !e.metaKey) || !options.multiColumnSort){\r\n            sortColumns = [];\r\n          }\r\n\r\n          if (!sortOpts){\r\n            sortOpts = {\r\n              columnId: column.id,\r\n              sortAsc: column.defaultSortAsc\r\n            };\r\n            sortColumns.push(sortOpts);\r\n          } else if (sortColumns.length == 0){\r\n            sortColumns.push(sortOpts);\r\n          }\r\n        }\r\n\r\n        setSortColumns(sortColumns);\r\n\r\n        if (!options.multiColumnSort){\r\n          trigger(self.onSort, {\r\n            multiColumnSort: false,\r\n            sortCol: column,\r\n            sortAsc: sortOpts.sortAsc\r\n          }, e);\r\n        } else {\r\n          trigger(self.onSort, {\r\n            multiColumnSort: true,\r\n            sortCols: $.map(sortColumns, function(col){\r\n              return {\r\n                sortCol: columns[getColumnIndex(col.columnId)],\r\n                sortAsc: col.sortAsc\r\n              };\r\n            })\r\n          }, e);\r\n        }\r\n      }\r\n    });\r\n  }\r\n\r\n  function currentPositionInHeader(id){\r\n    var currentPosition = 0;\r\n    $headers.find('.slick-header-column').each(function(i){\r\n      if (this.id == id){\r\n        currentPosition = i;\r\n        return false;\r\n      }\r\n    });\r\n\r\n    return currentPosition;\r\n  }\r\n\r\n  function limitPositionInGroup(idColumn){\r\n    var groupColumnOfPreviousPosition,\r\n      startLimit = 0,\r\n      endLimit = 0;\r\n\r\n    treeColumns.getColumnsInDepth($groupHeadersL.length - 1)\r\n      .some(function(groupColumn){\r\n        startLimit = endLimit;\r\n        endLimit += groupColumn.columns.length;\r\n\r\n        groupColumn.columns.some(function(column){\r\n\r\n          if (column.id === idColumn) groupColumnOfPreviousPosition = groupColumn;\r\n\r\n          return groupColumnOfPreviousPosition;\r\n        });\r\n\r\n        return groupColumnOfPreviousPosition;\r\n      });\r\n\r\n    endLimit--;\r\n\r\n    return {\r\n      start: startLimit,\r\n      end: endLimit,\r\n      group: groupColumnOfPreviousPosition\r\n    }\r\n  }\r\n\r\n  function remove(arr, elem){\r\n    var index = arr.lastIndexOf(elem);\r\n    if (index > -1){\r\n      arr.splice(index, 1);\r\n      remove(arr, elem);\r\n    }\r\n  }\r\n\r\n  function columnPositionValidInGroup($item){\r\n    var currentPosition = currentPositionInHeader($item[0].id);\r\n    var limit = limitPositionInGroup($item.data('column').id);\r\n    var positionValid = limit.start <= currentPosition && currentPosition <= limit.end;\r\n\r\n    return {\r\n      limit: limit,\r\n      valid: positionValid,\r\n      message: positionValid ? '' : 'Column \"'.concat($item.text(), '\" can be reordered only within the \"', limit.group.name, '\" group!')\r\n    };\r\n  }\r\n\r\n  function setupColumnReorder(){\r\n    let x = 0;\r\n    let delta = 0;\r\n    let placeholder = document.createElement('div');\r\n\r\n    placeholder.className = 'interact-placeholder';\r\n\r\n    interact('.slick-header-column')\r\n      .ignoreFrom('.slick-resizable-handle')\r\n      .draggable({\r\n        inertia: true,\r\n        // keep the element within the area of it's parent\r\n        restrict: {\r\n          restriction: 'parent',\r\n          endOnly: true,\r\n          elementRect: {top: 0, left: 0, bottom: 0, right: 0}\r\n        },\r\n        // enable autoScroll\r\n        autoScroll: true,\r\n        axis: 'x',\r\n        onstart: event => {\r\n          x = 0;\r\n          delta = event.target.offsetWidth;\r\n\r\n          // get old order\r\n          $headers.find('.slick-header-column').each(function(index){\r\n            $(this).data('index', index);\r\n          });\r\n\r\n          placeholder.style.height = event.target.offsetHeight + 'px';\r\n          placeholder.style.width = delta + 'px';\r\n\r\n          $(event.target).after(placeholder).css({\r\n            position: 'absolute',\r\n            zIndex: 1000,\r\n            marginLeft: $(event.target).position().left - 1000\r\n          });\r\n        },\r\n\r\n        onmove: event => {\r\n          x += event.dx;\r\n          event.target.style.transform = `translate3d(${x}px, -3px, 100px)`;\r\n          // event.target.style.marginLeft = x + 'px';\r\n        },\r\n\r\n        onend: event => {\r\n          x = 0;\r\n          delta = 0;\r\n\r\n          if (treeColumns.hasDepth()) {\r\n            var validPositionInGroup = columnPositionValidInGroup($(event.target));\r\n            var limit = validPositionInGroup.limit;\r\n\r\n            var cancel = !validPositionInGroup.valid;\r\n\r\n            if (cancel)\r\n              alert(validPositionInGroup.message);\r\n          }\r\n\r\n          placeholder.parentNode.removeChild(placeholder);\r\n\r\n          if (cancel){\r\n            event.target.style.transform = 'none';\r\n            setColumns(getColumns());\r\n            return;\r\n          }\r\n\r\n          $(event.target).css({\r\n            position: 'relative',\r\n            zIndex: '',\r\n            marginLeft: 0,\r\n            transform: 'none'\r\n          });\r\n\r\n          const newColumns = [];\r\n          $headers.find('.slick-header-column').each(function(index){\r\n            newColumns.push(columns[$(this).data('index')]);\r\n            $(this).removeData('index');\r\n          });\r\n\r\n          setColumns(newColumns);\r\n\r\n          trigger(self.onColumnsReordered, { impactedColumns : getImpactedColumns( limit ), grid: self });\r\n          setupColumnResize();\r\n        }\r\n      })\r\n      .dropzone({\r\n        accept: '.slick-header-column',\r\n\r\n        ondragenter: event => {\r\n          event.target.classList.add('interact-drop-active');\r\n          event.relatedTarget.classList.add('interact-can-drop');\r\n        },\r\n\r\n        ondragleave: event => {\r\n          event.target.classList.remove('interact-drop-active');\r\n          event.relatedTarget.classList.remove('interact-can-drop');\r\n        },\r\n\r\n        ondrop: event => {\r\n          event.target.classList.remove('interact-drop-active');\r\n          event.relatedTarget.classList.remove('interact-can-drop');\r\n          $(event.target)[x > 0 ? 'after' : 'before'](event.relatedTarget);\r\n        }\r\n      }).styleCursor(false);\r\n  }\r\n\r\n  function getImpactedColumns(limit){\r\n    var impactedColumns = [];\r\n\r\n    if (limit != undefined){\r\n\r\n      for (var i = limit.start; i <= limit.end; i++){\r\n        impactedColumns.push(columns[i]);\r\n      }\r\n    } else {\r\n\r\n      impactedColumns = columns;\r\n    }\r\n\r\n    return impactedColumns;\r\n  }\r\n\r\n  function setupColumnResize(){\r\n    var $col, j, c, pageX, columnElements, minPageX, maxPageX, firstResizable, lastResizable;\r\n    columnElements = $headers.children();\r\n    columnElements.find('.slick-resizable-handle').remove();\r\n    columnElements.each(function(i, e){\r\n      if (columns[i].resizable){\r\n        if (firstResizable === undefined){\r\n          firstResizable = i;\r\n        }\r\n        lastResizable = i;\r\n      }\r\n    });\r\n    if (firstResizable === undefined){\r\n      return;\r\n    }\r\n    columnElements.each(function(i, element){\r\n      if (i < firstResizable || (options.forceFitColumns && i >= lastResizable)){\r\n        return;\r\n      }\r\n      $col = $(element);\r\n\r\n      const $handle = $(\"<div class='slick-resizable-handle' />\");\r\n      $handle.appendTo(element);\r\n\r\n      if ($col.data('resizable'))\r\n        return;\r\n\r\n      const activeColumn = columns[i];\r\n      if (activeColumn.resizable){\r\n        $col.data('resizable', true);\r\n        interact(element).resizable({\r\n          preserveAspectRatio: false,\r\n          edges: { left: true, right: true, bottom: false, top: false }\r\n        }).on('resizestart', function(event){\r\n          if (!getEditorLock().commitCurrentEdit()){\r\n            return false;\r\n          }\r\n          activeColumn.previousWidth = event.rect.width;\r\n          event.target.classList.add('slick-header-column-active');\r\n        }).on('resizemove', function(event){\r\n          let x = event.dx;\r\n          let width = activeColumn.width += x;\r\n\r\n          if (activeColumn.minWidth > 0 && activeColumn.minWidth > width)\r\n            width = activeColumn.minWidth;\r\n          else if (activeColumn.maxWidth > 0 && activeColumn.maxWidth < width)\r\n            width = activeColumn.maxWidth;\r\n\r\n          activeColumn.width = width;\r\n\r\n          if (options.forceFitColumns){\r\n            autosizeColumns();\r\n          }\r\n          applyColumnHeaderWidths();\r\n          if (options.syncColumnCellResize){\r\n            applyColumnWidths();\r\n          }\r\n        }).on('resizeend', function(event){\r\n          event.target.classList.remove('slick-header-column-active');\r\n          if (treeColumns.hasDepth())\r\n            createColumnGroupHeaders();\r\n\r\n          invalidateAllRows();\r\n          updateCanvasWidth(true);\r\n          render();\r\n          trigger(self.onColumnsResized, {grid: self});\r\n        });\r\n      }\r\n    });\r\n  }\r\n\r\n  function getVBoxDelta($el){\r\n    var p = [\"borderTopWidth\", \"borderBottomWidth\", \"paddingTop\", \"paddingBottom\"];\r\n    var delta = 0;\r\n    $.each(p, function(n, val){\r\n      delta += parseFloat($el.css(val)) || 0;\r\n    });\r\n    return delta;\r\n  }\r\n\r\n  function setFrozenOptions(){\r\n    options.frozenColumn = (options.frozenColumn >= 0 && options.frozenColumn < columns.length) ? parseInt(options.frozenColumn) : -1;\r\n\r\n    options.frozenRow = (options.frozenRow >= 0 && options.frozenRow < numVisibleRows) ? parseInt(options.frozenRow) : -1;\r\n\r\n    if (options.frozenRow > -1){\r\n      hasFrozenRows = true;\r\n      frozenRowsHeight = (options.frozenRow) * options.rowHeight;\r\n\r\n      var dataLength = getDataLength() || this.data.length;\r\n\r\n      actualFrozenRow = (options.frozenBottom) ? (dataLength - options.frozenRow) : options.frozenRow;\r\n    } else {\r\n      hasFrozenRows = false;\r\n    }\r\n  }\r\n\r\n  function setPaneVisibility(){\r\n    if (hasFrozenColumns()){\r\n      $paneHeaderR.show();\r\n      $paneTopR.show();\r\n\r\n      if (hasFrozenRows){\r\n        $paneBottomL.show();\r\n        $paneBottomR.show();\r\n      } else {\r\n        $paneBottomR.hide();\r\n        $paneBottomL.hide();\r\n      }\r\n    } else {\r\n      $paneHeaderR.hide();\r\n      $paneTopR.hide();\r\n      $paneBottomR.hide();\r\n\r\n      if (hasFrozenRows){\r\n        $paneBottomL.show();\r\n      } else {\r\n        $paneBottomR.hide();\r\n        $paneBottomL.hide();\r\n      }\r\n    }\r\n  }\r\n\r\n  function setOverflow(){\r\n    $viewportTopL.css({\r\n      'overflow-x': (hasFrozenColumns()) ? (hasFrozenRows ? 'hidden' : 'scroll') : (hasFrozenRows ? 'hidden' : 'auto'),\r\n      'overflow-y': (hasFrozenColumns()) ? (hasFrozenRows ? 'hidden' : 'hidden') : (hasFrozenRows ? 'scroll' : 'auto')\r\n    });\r\n\r\n    $viewportTopR.css({\r\n      'overflow-x': (hasFrozenColumns()) ? (hasFrozenRows ? 'hidden' : 'scroll') : (hasFrozenRows ? 'hidden' : 'auto'),\r\n      'overflow-y': (hasFrozenColumns()) ? (hasFrozenRows ? 'scroll' : 'auto') : (hasFrozenRows ? 'scroll' : 'auto')\r\n    });\r\n\r\n    $viewportBottomL.css({\r\n      'overflow-x': (hasFrozenColumns()) ? (hasFrozenRows ? 'scroll' : 'auto') : (hasFrozenRows ? 'auto' : 'auto'),\r\n      'overflow-y': (hasFrozenColumns()) ? (hasFrozenRows ? 'hidden' : 'hidden') : (hasFrozenRows ? 'scroll' : 'auto')\r\n    });\r\n\r\n    $viewportBottomR.css({\r\n      'overflow-x': (hasFrozenColumns()) ? (hasFrozenRows ? 'scroll' : 'auto') : (hasFrozenRows ? 'auto' : 'auto'),\r\n      'overflow-y': (hasFrozenColumns()) ? (hasFrozenRows ? 'auto' : 'auto') : (hasFrozenRows ? 'auto' : 'auto')\r\n    });\r\n  }\r\n\r\n  function setScroller(){\r\n    if (hasFrozenColumns()){\r\n      $headerScrollContainer = $headerScrollerR;\r\n      $headerRowScrollContainer = $headerRowScrollerR;\r\n      $footerRowScrollContainer = $footerRowScrollerR\r\n\r\n      if (hasFrozenRows){\r\n        if (options.frozenBottom){\r\n          $viewportScrollContainerX = $viewportBottomR;\r\n          $viewportScrollContainerY = $viewportTopR;\r\n        } else {\r\n          $viewportScrollContainerX = $viewportScrollContainerY = $viewportBottomR;\r\n        }\r\n      } else {\r\n        $viewportScrollContainerX = $viewportScrollContainerY = $viewportTopR;\r\n      }\r\n    } else {\r\n      $headerScrollContainer = $headerScrollerL;\r\n      $headerRowScrollContainer = $headerRowScrollerL;\r\n      $footerRowScrollContainer = $footerRowScrollerL;\r\n\r\n      if (hasFrozenRows){\r\n        if (options.frozenBottom){\r\n          $viewportScrollContainerX = $viewportBottomL;\r\n          $viewportScrollContainerY = $viewportTopL;\r\n        } else {\r\n          $viewportScrollContainerX = $viewportScrollContainerY = $viewportBottomL;\r\n        }\r\n      } else {\r\n        $viewportScrollContainerX = $viewportScrollContainerY = $viewportTopL;\r\n      }\r\n    }\r\n  }\r\n\r\n  function measureCellPaddingAndBorder(){\r\n    var el;\r\n    var h = [\"borderLeftWidth\", \"borderRightWidth\", \"paddingLeft\", \"paddingRight\"];\r\n    var v = [\"borderTopWidth\", \"borderBottomWidth\", \"paddingTop\", \"paddingBottom\"];\r\n\r\n    el = $(\"<div class='ui-state-default slick-header-column' style='visibility:hidden'>-</div>\").appendTo($headers);\r\n    headerColumnWidthDiff = headerColumnHeightDiff = 0;\r\n    if (el.css(\"box-sizing\") != \"border-box\" && el.css(\"-moz-box-sizing\") != \"border-box\" && el.css(\"-webkit-box-sizing\") != \"border-box\"){\r\n      $.each(h, function(n, val){\r\n        headerColumnWidthDiff += parseFloat(el.css(val)) || 0;\r\n      });\r\n      $.each(v, function(n, val){\r\n        headerColumnHeightDiff += parseFloat(el.css(val)) || 0;\r\n      });\r\n    }\r\n    el.remove();\r\n\r\n    var r = $(\"<div class='slick-row' />\").appendTo($canvas);\r\n    el = $(\"<div class='slick-cell' id='' style='visibility:hidden'>-</div>\").appendTo(r);\r\n    cellWidthDiff = cellHeightDiff = 0;\r\n    if (el.css(\"box-sizing\") != \"border-box\" && el.css(\"-moz-box-sizing\") != \"border-box\" && el.css(\"-webkit-box-sizing\") != \"border-box\"){\r\n      $.each(h, function(n, val){\r\n        cellWidthDiff += parseFloat(el.css(val)) || 0;\r\n      });\r\n      $.each(v, function(n, val){\r\n        cellHeightDiff += parseFloat(el.css(val)) || 0;\r\n      });\r\n    }\r\n    r.remove();\r\n\r\n    absoluteColumnMinWidth = Math.max(headerColumnWidthDiff, cellWidthDiff);\r\n  }\r\n\r\n  function createCssRules(){\r\n    $style = $(\"<style type='text/css' rel='stylesheet' />\").appendTo($(\"head\"));\r\n    var rowHeight = (options.rowHeight - cellHeightDiff);\r\n    var rules = [\".\" + uid + \" .slick-group-header-column { left: 1000px; }\", \".\" + uid + \" .slick-header-column { left: 1000px; }\", \".\" + uid + \" .slick-top-panel { height:\" + options.topPanelHeight + \"px; }\", \".\" + uid + \" .slick-headerrow-columns { height:\" + options.headerRowHeight + \"px; }\", \".\" + uid + \" .slick-cell { height:\" + rowHeight + \"px; }\", \".\" + uid + \" .slick-row { height:\" + options.rowHeight + \"px; }\", \".\" + uid + \" .slick-footerrow-columns { height:\" + options.footerRowHeight + \"px; }\"];\r\n\r\n    for (var i = 0; i < columns.length; i++){\r\n      rules.push(\".\" + uid + \" .l\" + i + \" { }\");\r\n      rules.push(\".\" + uid + \" .r\" + i + \" { }\");\r\n    }\r\n\r\n    if ($style[0].styleSheet){ // IE\r\n      $style[0].styleSheet.cssText = rules.join(\" \");\r\n    } else {\r\n      $style[0].appendChild(document.createTextNode(rules.join(\" \")));\r\n    }\r\n  }\r\n\r\n  function getColumnCssRules(idx){\r\n    if (!stylesheet){\r\n      var sheets = document.styleSheets;\r\n      for (var i = 0; i < sheets.length; i++){\r\n        if ((sheets[i].ownerNode || sheets[i].owningElement) == $style[0]){\r\n          stylesheet = sheets[i];\r\n          break;\r\n        }\r\n      }\r\n\r\n      if (!stylesheet){\r\n        throw new Error(\"Cannot find stylesheet.\");\r\n      }\r\n\r\n      // find and cache column CSS rules\r\n      columnCssRulesL = [];\r\n      columnCssRulesR = [];\r\n      var cssRules = (stylesheet.cssRules || stylesheet.rules);\r\n      var matches, columnIdx;\r\n      for (var i = 0; i < cssRules.length; i++){\r\n        var selector = cssRules[i].selectorText;\r\n        if (matches = /\\.l\\d+/.exec(selector)){\r\n          columnIdx = parseInt(matches[0].substr(2, matches[0].length - 2), 10);\r\n          columnCssRulesL[columnIdx] = cssRules[i];\r\n        } else if (matches = /\\.r\\d+/.exec(selector)){\r\n          columnIdx = parseInt(matches[0].substr(2, matches[0].length - 2), 10);\r\n          columnCssRulesR[columnIdx] = cssRules[i];\r\n        }\r\n      }\r\n    }\r\n\r\n    return {\r\n      \"left\": columnCssRulesL[idx],\r\n      \"right\": columnCssRulesR[idx]\r\n    };\r\n  }\r\n\r\n  function removeCssRules(){\r\n    $style.remove();\r\n    stylesheet = null;\r\n  }\r\n\r\n  function destroy(){\r\n    getEditorLock().cancelCurrentEdit();\r\n\r\n    trigger(self.onBeforeDestroy, {});\r\n\r\n    var i = plugins.length;\r\n    while (i--){\r\n      unregisterPlugin(plugins[i]);\r\n    }\r\n\r\n    unbindAncestorScrollEvents();\r\n    $container.unbind(\".slickgrid\");\r\n    removeCssRules();\r\n\r\n    $container.empty().removeClass(uid);\r\n  }\r\n\r\n  //////////////////////////////////////////////////////////////////////////////////////////////\r\n  // General\r\n\r\n  function trigger(evt, args, e){\r\n    e = e || new Slick.EventData();\r\n    args = args || {};\r\n    args.grid = self;\r\n    return evt.notify(args, e, self);\r\n  }\r\n\r\n  function getEditorLock(){\r\n    return options.editorLock;\r\n  }\r\n\r\n  function getEditController(){\r\n    return editController;\r\n  }\r\n\r\n  function getColumnIndex(id){\r\n    return columnsById[id];\r\n  }\r\n\r\n  function autosizeColumns(){\r\n    var i, c,\r\n      widths = [],\r\n      shrinkLeeway = 0,\r\n      total = 0,\r\n      prevTotal,\r\n      availWidth = viewportHasVScroll ? viewportW - scrollbarDimensions.width : viewportW;\r\n\r\n    for (i = 0; i < columns.length; i++){\r\n      c = columns[i];\r\n      widths.push(c.width);\r\n      total += c.width;\r\n      if (c.resizable){\r\n        shrinkLeeway += c.width - Math.max(c.minWidth, absoluteColumnMinWidth);\r\n      }\r\n    }\r\n\r\n    // shrink\r\n    prevTotal = total;\r\n    while (total > availWidth && shrinkLeeway){\r\n      var shrinkProportion = (total - availWidth) / shrinkLeeway;\r\n      for (i = 0; i < columns.length && total > availWidth; i++){\r\n        c = columns[i];\r\n        var width = widths[i];\r\n        if (!c.resizable || width <= c.minWidth || width <= absoluteColumnMinWidth){\r\n          continue;\r\n        }\r\n        var absMinWidth = Math.max(c.minWidth, absoluteColumnMinWidth);\r\n        var shrinkSize = Math.floor(shrinkProportion * (width - absMinWidth)) || 1;\r\n        shrinkSize = Math.min(shrinkSize, width - absMinWidth);\r\n        total -= shrinkSize;\r\n        shrinkLeeway -= shrinkSize;\r\n        widths[i] -= shrinkSize;\r\n      }\r\n      if (prevTotal <= total){ // avoid infinite loop\r\n        break;\r\n      }\r\n      prevTotal = total;\r\n    }\r\n\r\n    // grow\r\n    prevTotal = total;\r\n    while (total < availWidth){\r\n      var growProportion = availWidth / total;\r\n      for (i = 0; i < columns.length && total < availWidth; i++){\r\n        c = columns[i];\r\n        var currentWidth = widths[i];\r\n        var growSize;\r\n\r\n        if (!c.resizable || c.maxWidth <= currentWidth){\r\n          growSize = 0;\r\n        } else {\r\n          growSize = Math.min(Math.floor(growProportion * currentWidth) - currentWidth, (c.maxWidth - currentWidth) || 1000000) || 1;\r\n        }\r\n        total += growSize;\r\n        widths[i] += growSize;\r\n      }\r\n      if (prevTotal >= total){ // avoid infinite loop\r\n        break;\r\n      }\r\n      prevTotal = total;\r\n    }\r\n\r\n    var reRender = false;\r\n    for (i = 0; i < columns.length; i++){\r\n      if (columns[i].rerenderOnResize && columns[i].width != widths[i]){\r\n        reRender = true;\r\n      }\r\n      columns[i].width = widths[i];\r\n    }\r\n\r\n    applyColumnHeaderWidths();\r\n    applyColumnGroupHeaderWidths();\r\n    updateCanvasWidth(true);\r\n    if (reRender){\r\n      invalidateAllRows();\r\n      render();\r\n    }\r\n  }\r\n\r\n  function applyColumnGroupHeaderWidths(){\r\n    if (!treeColumns.hasDepth()) return;\r\n\r\n    for (var depth = $groupHeadersL.length - 1; depth >= 0; depth--){\r\n\r\n      var groupColumns = treeColumns.getColumnsInDepth(depth);\r\n\r\n      $().add($groupHeadersL[depth]).add($groupHeadersR[depth]).each(function(i){\r\n        var $groupHeader = $(this),\r\n          currentColumnIndex = 0;\r\n\r\n        $groupHeader.width(i == 0 ? getHeadersWidthL() : getHeadersWidthR());\r\n\r\n        $groupHeader.children().each(function(){\r\n          var $groupHeaderColumn = $(this);\r\n\r\n          var m = $(this).data('column');\r\n\r\n          m.width = 0;\r\n\r\n          m.columns.forEach(function(){\r\n            var $headerColumn = $groupHeader.next().children(':eq(' + (currentColumnIndex++) + ')');\r\n            m.width += $headerColumn.outerWidth();\r\n          })\r\n\r\n          $groupHeaderColumn.width(m.width - headerColumnWidthDiff);\r\n\r\n        });\r\n\r\n      })\r\n\r\n    }\r\n  }\r\n\r\n  function applyColumnHeaderWidths(){\r\n    if (!initialized){\r\n      return;\r\n    }\r\n    var h;\r\n    for (var i = 0, headers = $headers.children(), ii = headers.length; i < ii; i++){\r\n      h = $(headers[i]);\r\n      if (h.width() !== columns[i].width - headerColumnWidthDiff){\r\n        h.width(columns[i].width - headerColumnWidthDiff);\r\n      }\r\n    }\r\n\r\n    updateColumnCaches();\r\n  }\r\n\r\n  function applyColumnWidths(){\r\n    var x = 0,\r\n      w, rule;\r\n    for (var i = 0; i < columns.length; i++){\r\n      w = columns[i].width;\r\n\r\n      rule = getColumnCssRules(i);\r\n      rule.left.style.left = x + \"px\";\r\n      rule.right.style.right = (((options.frozenColumn != -1 && i > options.frozenColumn) ? canvasWidthR : canvasWidthL) - x - w) + \"px\";\r\n\r\n      // If this column is frozen, reset the css left value since the\r\n      // column starts in a new viewport.\r\n      if (options.frozenColumn == i){\r\n        x = 0;\r\n      } else {\r\n        x += columns[i].width;\r\n      }\r\n    }\r\n  }\r\n\r\n  function setSortColumn(columnId, ascending){\r\n    setSortColumns([{\r\n      columnId: columnId,\r\n      sortAsc: ascending\r\n    }]);\r\n  }\r\n\r\n  function setSortColumns(cols){\r\n    sortColumns = cols;\r\n\r\n    var headerColumnEls = $headers.children();\r\n    headerColumnEls.removeClass(\"slick-header-column-sorted\")\r\n      .find(\".slick-sort-indicator\")\r\n      .removeClass(\"slick-sort-indicator-asc slick-sort-indicator-desc\");\r\n\r\n    $.each(sortColumns, function(i, col){\r\n      if (col.sortAsc == null){\r\n        col.sortAsc = true;\r\n      }\r\n      var columnIndex = getColumnIndex(col.columnId);\r\n      if (columnIndex != null){\r\n        headerColumnEls.eq(columnIndex)\r\n          .addClass(\"slick-header-column-sorted\")\r\n          .find(\".slick-sort-indicator\")\r\n          .addClass(col.sortAsc ? \"slick-sort-indicator-asc\" : \"slick-sort-indicator-desc\");\r\n      }\r\n    });\r\n  }\r\n\r\n  function getSortColumns(){\r\n    return sortColumns;\r\n  }\r\n\r\n  function handleSelectedRangesChanged(e, ranges){\r\n    selectedRows = [];\r\n    var hash = {};\r\n    for (var i = 0; i < ranges.length; i++){\r\n      for (var j = ranges[i].fromRow; j <= ranges[i].toRow; j++){\r\n        if (!hash[j]){ // prevent duplicates\r\n          selectedRows.push(j);\r\n          hash[j] = {};\r\n        }\r\n        for (var k = ranges[i].fromCell; k <= ranges[i].toCell; k++){\r\n          if (canCellBeSelected(j, k)){\r\n            hash[j][columns[k].id] = options.selectedCellCssClass;\r\n          }\r\n        }\r\n      }\r\n    }\r\n\r\n    setCellCssStyles(options.selectedCellCssClass, hash);\r\n\r\n    trigger(self.onSelectedRowsChanged, {\r\n      rows: getSelectedRows()\r\n    }, e);\r\n  }\r\n\r\n  function getColumns(){\r\n    return columns;\r\n  }\r\n\r\n  function updateColumnCaches(){\r\n    // Pre-calculate cell boundaries.\r\n    columnPosLeft = [];\r\n    columnPosRight = [];\r\n    var x = 0;\r\n    for (var i = 0, ii = columns.length; i < ii; i++){\r\n      columnPosLeft[i] = x;\r\n      columnPosRight[i] = x + columns[i].width;\r\n\r\n      if (options.frozenColumn == i){\r\n        x = 0;\r\n      } else {\r\n        x += columns[i].width;\r\n      }\r\n    }\r\n  }\r\n\r\n  function setColumns(columnDefinitions){\r\n    var _treeColumns = new Slick.TreeColumns(columnDefinitions);\r\n    if (_treeColumns.hasDepth()){\r\n      treeColumns = _treeColumns;\r\n      columns = treeColumns.extractColumns();\r\n    } else {\r\n      columns = columnDefinitions;\r\n    }\r\n\r\n    columnsById = {};\r\n    for (var i = 0; i < columns.length; i++){\r\n      var m = columns[i] = $.extend({}, columnDefaults, columns[i]);\r\n      columnsById[m.id] = i;\r\n      if (m.minWidth && m.width < m.minWidth){\r\n        m.width = m.minWidth;\r\n      }\r\n      if (m.maxWidth && m.width > m.maxWidth){\r\n        m.width = m.maxWidth;\r\n      }\r\n    }\r\n\r\n    updateColumnCaches();\r\n\r\n    if (initialized){\r\n      setPaneVisibility();\r\n      setOverflow();\r\n\r\n      invalidateAllRows();\r\n      createColumnHeaders();\r\n      createColumnGroupHeaders();\r\n      createColumnFooter();\r\n      removeCssRules();\r\n      createCssRules();\r\n      resizeCanvas();\r\n      updateCanvasWidth();\r\n      applyColumnWidths();\r\n      handleScroll();\r\n    }\r\n  }\r\n\r\n  function getOptions(){\r\n    return options;\r\n  }\r\n\r\n  function setOptions(args){\r\n    if (!getEditorLock().commitCurrentEdit()){\r\n      return;\r\n    }\r\n\r\n    makeActiveCellNormal();\r\n\r\n    if (options.enableAddRow !== args.enableAddRow){\r\n      invalidateRow(getDataLength());\r\n    }\r\n\r\n    options = $.extend(options, args);\r\n    validateAndEnforceOptions();\r\n\r\n    setFrozenOptions();\r\n    setScroller();\r\n    zombieRowNodeFromLastMouseWheelEvent = null;\r\n\r\n    setColumns(treeColumns.extractColumns());\r\n    render();\r\n  }\r\n\r\n  function validateAndEnforceOptions(){\r\n    if (options.autoHeight){\r\n      options.leaveSpaceForNewRows = false;\r\n    }\r\n  }\r\n\r\n  function setData(newData, scrollToTop){\r\n    data = newData;\r\n    invalidateAllRows();\r\n    updateRowCount();\r\n    if (scrollToTop){\r\n      scrollTo(0);\r\n    }\r\n  }\r\n\r\n  function getData(){\r\n    return data;\r\n  }\r\n\r\n  function getDataLength(){\r\n    if (data.getLength){\r\n      return data.getLength();\r\n    } else {\r\n      return data.length;\r\n    }\r\n  }\r\n\r\n  function getDataLengthIncludingAddNew(){\r\n    return getDataLength() + (options.enableAddRow ? 1 : 0);\r\n  }\r\n\r\n  function getDataItem(i){\r\n    if (data.getItem){\r\n      return data.getItem(i);\r\n    } else {\r\n      return data[i];\r\n    }\r\n  }\r\n\r\n  function getTopPanel(){\r\n    return $topPanel[0];\r\n  }\r\n\r\n  function setTopPanelVisibility(visible){\r\n    if (options.showTopPanel != visible){\r\n      options.showTopPanel = visible;\r\n      if (visible){\r\n        $topPanelScroller.slideDown(\"fast\", resizeCanvas);\r\n      } else {\r\n        $topPanelScroller.slideUp(\"fast\", resizeCanvas);\r\n      }\r\n    }\r\n  }\r\n\r\n  function setHeaderRowVisibility(visible){\r\n    if (options.showHeaderRow != visible){\r\n      options.showHeaderRow = visible;\r\n      if (visible){\r\n        $headerRowScroller.slideDown(\"fast\", resizeCanvas);\r\n      } else {\r\n        $headerRowScroller.slideUp(\"fast\", resizeCanvas);\r\n      }\r\n    }\r\n  }\r\n\r\n  function setFooterRowVisibility(visible){\r\n    if (options.showFooterRow != visible){\r\n      options.showFooterRow = visible;\r\n      if (visible){\r\n        $footerRowScroller.fadeIn(\"fast\", resizeCanvas);\r\n      } else {\r\n        $footerRowScroller.slideDown(\"fast\", resizeCanvas);\r\n      }\r\n    }\r\n  }\r\n\r\n  function getContainerNode(){\r\n    return $container.get(0);\r\n  }\r\n\r\n  //////////////////////////////////////////////////////////////////////////////////////////////\r\n  // Rendering / Scrolling\r\n\r\n  function getRowTop(row){\r\n    return options.rowHeight * row - offset;\r\n  }\r\n\r\n  function getRowFromPosition(y){\r\n    return Math.floor((y + offset) / options.rowHeight);\r\n  }\r\n\r\n  function scrollTo(y){\r\n    y = Math.max(y, 0);\r\n    y = Math.min(y, th - $viewportScrollContainerY.height() + ((viewportHasHScroll || hasFrozenColumns()) ? scrollbarDimensions.height : 0));\r\n\r\n    var oldOffset = offset;\r\n\r\n    page = Math.min(n - 1, Math.floor(y / ph));\r\n    offset = Math.round(page * cj);\r\n    var newScrollTop = y - offset;\r\n\r\n    if (offset != oldOffset){\r\n      var range = getVisibleRange(newScrollTop);\r\n      cleanupRows(range);\r\n      updateRowPositions();\r\n    }\r\n\r\n    if (prevScrollTop != newScrollTop){\r\n      vScrollDir = (prevScrollTop + oldOffset < newScrollTop + offset) ? 1 : -1;\r\n\r\n      lastRenderedScrollTop = (scrollTop = prevScrollTop = newScrollTop);\r\n\r\n      if (hasFrozenColumns()){\r\n        $viewportTopL[0].scrollTop = newScrollTop;\r\n      }\r\n\r\n      if (hasFrozenRows){\r\n        $viewportBottomL[0].scrollTop = $viewportBottomR[0].scrollTop = newScrollTop;\r\n      }\r\n\r\n      $viewportScrollContainerY[0].scrollTop = newScrollTop;\r\n\r\n      trigger(self.onViewportChanged, {});\r\n    }\r\n  }\r\n\r\n  function defaultFormatter(row, cell, value, columnDef, dataContext){\r\n    if (value == null){\r\n      return \"\";\r\n    } else {\r\n      return (value + \"\").replace(/&/g, \"&\").replace(/</g, \"<\").replace(/>/g, \">\");\r\n    }\r\n  }\r\n\r\n  function getFormatter(row, column){\r\n    var rowMetadata = data.getItemMetadata && data.getItemMetadata(row);\r\n\r\n    // look up by id, then index\r\n    var columnOverrides = rowMetadata && rowMetadata.columns && (rowMetadata.columns[column.id] || rowMetadata.columns[getColumnIndex(column.id)]);\r\n\r\n    return (columnOverrides && columnOverrides.formatter) || (rowMetadata && rowMetadata.formatter) || column.formatter || (options.formatterFactory && options.formatterFactory.getFormatter(column)) || options.defaultFormatter;\r\n  }\r\n\r\n  function callFormatter(row, cell, value, m, item){\r\n\r\n    var result;\r\n\r\n    // pass metadata to formatter\r\n    var metadata = data.getItemMetadata && data.getItemMetadata(row);\r\n    metadata = metadata && metadata.columns;\r\n\r\n    if (metadata){\r\n      var columnData = metadata[m.id] || metadata[cell];\r\n      result = getFormatter(row, m)(row, cell, value, m, item, columnData);\r\n    } else {\r\n      result = getFormatter(row, m)(row, cell, value, m, item);\r\n    }\r\n\r\n    return result;\r\n  }\r\n\r\n  function getEditor(row, cell){\r\n    var column = columns[cell];\r\n    var rowMetadata = data.getItemMetadata && data.getItemMetadata(row);\r\n    var columnMetadata = rowMetadata && rowMetadata.columns;\r\n\r\n    if (columnMetadata && columnMetadata[column.id] && columnMetadata[column.id].editor !== undefined){\r\n      return columnMetadata[column.id].editor;\r\n    }\r\n    if (columnMetadata && columnMetadata[cell] && columnMetadata[cell].editor !== undefined){\r\n      return columnMetadata[cell].editor;\r\n    }\r\n\r\n    return column.editor || (options.editorFactory && options.editorFactory.getEditor(column));\r\n  }\r\n\r\n  function getDataItemValueForColumn(item, columnDef){\r\n    if (options.dataItemColumnValueExtractor){\r\n      return options.dataItemColumnValueExtractor(item, columnDef);\r\n    }\r\n    return item[columnDef.field];\r\n  }\r\n\r\n  function appendRowHtml(stringArrayL, stringArrayR, row, range, dataLength){\r\n    var d = getDataItem(row);\r\n    var dataLoading = row < dataLength && !d;\r\n    var rowCss = \"slick-row\" + (hasFrozenRows && row < options.frozenRow ? ' frozen' : '') + (dataLoading ? \" loading\" : \"\") + (row === activeRow ? \" active\" : \"\") + (row % 2 == 1 ? \" odd\" : \" even\");\r\n\r\n    if (!d){\r\n      rowCss += \" \" + options.addNewRowCssClass;\r\n    }\r\n\r\n    var metadata = data.getItemMetadata && data.getItemMetadata(row);\r\n\r\n    if (metadata && metadata.cssClasses){\r\n      rowCss += \" \" + metadata.cssClasses;\r\n    }\r\n\r\n    var frozenRowOffset = getFrozenRowOffset(row);\r\n\r\n    var rowHtml = \"<div class='ui-widget-content \" + rowCss + \"' style='top:\" + (getRowTop(row) - frozenRowOffset) + \"px'>\";\r\n\r\n    stringArrayL.push(rowHtml);\r\n\r\n    if (hasFrozenColumns()){\r\n      stringArrayR.push(rowHtml);\r\n    }\r\n\r\n    var colspan, m;\r\n    for (var i = 0, ii = columns.length; i < ii; i++){\r\n      m = columns[i];\r\n      colspan = 1;\r\n      if (metadata && metadata.columns){\r\n        var columnData = metadata.columns[m.id] || metadata.columns[i];\r\n        colspan = (columnData && columnData.colspan) || 1;\r\n        if (colspan === \"*\"){\r\n          colspan = ii - i;\r\n        }\r\n      }\r\n\r\n      // Do not render cells outside of the viewport.\r\n      if (columnPosRight[Math.min(ii - 1, i + colspan - 1)] > range.leftPx){\r\n        if (columnPosLeft[i] > range.rightPx){\r\n          // All columns to the right are outside the range.\r\n          break;\r\n        }\r\n\r\n        if (hasFrozenColumns() && (i > options.frozenColumn)){\r\n          appendCellHtml(stringArrayR, row, i, colspan, d);\r\n        } else {\r\n          appendCellHtml(stringArrayL, row, i, colspan, d);\r\n        }\r\n      } else if (hasFrozenColumns() && (i <= options.frozenColumn)){\r\n        appendCellHtml(stringArrayL, row, i, colspan, d);\r\n      }\r\n\r\n      if (colspan > 1){\r\n        i += (colspan - 1);\r\n      }\r\n    }\r\n\r\n    stringArrayL.push(\"</div>\");\r\n\r\n    if (hasFrozenColumns()){\r\n      stringArrayR.push(\"</div>\");\r\n    }\r\n  }\r\n\r\n  function appendCellHtml(stringArray, row, cell, colspan, item){\r\n    var m = columns[cell];\r\n    var cellCss = \"slick-cell l\" + cell + \" r\" + Math.min(columns.length - 1, cell + colspan - 1) + (m.cssClass ? \" \" + m.cssClass : \"\");\r\n\r\n    if (hasFrozenColumns() && cell <= options.frozenColumn) cellCss += ' frozen';\r\n\r\n    if (row === activeRow && cell === activeCell) cellCss += \" active\";\r\n\r\n    // TODO:  merge them together in the setter\r\n    for (var key in cellCssClasses){\r\n      if (cellCssClasses[key][row] && cellCssClasses[key][row][m.id]){\r\n        cellCss += (\" \" + cellCssClasses[key][row][m.id]);\r\n      }\r\n    }\r\n\r\n    stringArray.push(\"<div class='\" + cellCss + \"'>\");\r\n\r\n    // if there is a corresponding row (if not, this is the Add New row or this data hasn't been loaded yet)\r\n    if (item){\r\n      var value = getDataItemValueForColumn(item, m);\r\n      stringArray.push(callFormatter(row, cell, value, m, item));\r\n    }\r\n\r\n    stringArray.push(\"</div>\");\r\n\r\n    rowsCache[row].cellRenderQueue.push(cell);\r\n    rowsCache[row].cellColSpans[cell] = colspan;\r\n  }\r\n\r\n  function cleanupRows(rangeToKeep){\r\n    for (var i in rowsCache){\r\n      var removeFrozenRow = true;\r\n\r\n      if (hasFrozenRows && ((options.frozenBottom && i >= actualFrozenRow) // Frozen bottom rows\r\n          ||\r\n          (!options.frozenBottom && i <= actualFrozenRow) // Frozen top rows\r\n        )){\r\n        removeFrozenRow = false;\r\n      }\r\n\r\n      if (((i = parseInt(i, 10)) !== activeRow) && (i < rangeToKeep.top || i > rangeToKeep.bottom) && (removeFrozenRow)){\r\n        removeRowFromCache(i);\r\n      }\r\n    }\r\n  }\r\n\r\n  function invalidate(){\r\n    updateRowCount();\r\n    invalidateAllRows();\r\n    render();\r\n  }\r\n\r\n  function invalidateAllRows(){\r\n    if (currentEditor){\r\n      makeActiveCellNormal();\r\n    }\r\n    for (var row in rowsCache){\r\n      removeRowFromCache(row);\r\n    }\r\n  }\r\n\r\n  function removeRowFromCache(row){\r\n    var cacheEntry = rowsCache[row];\r\n    if (!cacheEntry){\r\n      return;\r\n    }\r\n\r\n    if (rowNodeFromLastMouseWheelEvent == cacheEntry.rowNode[0] || (hasFrozenColumns() && rowNodeFromLastMouseWheelEvent == cacheEntry.rowNode[1])){\r\n\r\n      cacheEntry.rowNode.hide();\r\n\r\n      zombieRowNodeFromLastMouseWheelEvent = cacheEntry.rowNode;\r\n    } else {\r\n\r\n      cacheEntry.rowNode.each(function(){\r\n        this.parentElement.removeChild(this);\r\n      });\r\n\r\n    }\r\n\r\n    delete rowsCache[row];\r\n    delete postProcessedRows[row];\r\n    renderedRows--;\r\n    counter_rows_removed++;\r\n  }\r\n\r\n  function invalidateRows(rows){\r\n    var i, rl;\r\n    if (!rows || !rows.length){\r\n      return;\r\n    }\r\n    vScrollDir = 0;\r\n    for (i = 0, rl = rows.length; i < rl; i++){\r\n      if (currentEditor && activeRow === rows[i]){\r\n        makeActiveCellNormal();\r\n      }\r\n      if (rowsCache[rows[i]]){\r\n        removeRowFromCache(rows[i]);\r\n      }\r\n    }\r\n  }\r\n\r\n  function invalidateRow(row){\r\n    invalidateRows([row]);\r\n  }\r\n\r\n  function updateCell(row, cell){\r\n    var cellNode = getCellNode(row, cell);\r\n    if (!cellNode){\r\n      return;\r\n    }\r\n\r\n    var m = columns[cell],\r\n      d = getDataItem(row);\r\n    if (currentEditor && activeRow === row && activeCell === cell){\r\n      currentEditor.loadValue(d);\r\n    } else {\r\n      cellNode.innerHTML = d ? callFormatter(row, cell, getDataItemValueForColumn(d, m), m, d) : \"\";\r\n      invalidatePostProcessingResults(row);\r\n    }\r\n  }\r\n\r\n  function updateRow(row){\r\n    var cacheEntry = rowsCache[row];\r\n    if (!cacheEntry){\r\n      return;\r\n    }\r\n\r\n    ensureCellNodesInRowsCache(row);\r\n\r\n    var d = getDataItem(row);\r\n\r\n    for (var columnIdx in cacheEntry.cellNodesByColumnIdx){\r\n      if (!cacheEntry.cellNodesByColumnIdx.hasOwnProperty(columnIdx)){\r\n        continue;\r\n      }\r\n\r\n      columnIdx = columnIdx | 0;\r\n      var m = columns[columnIdx],\r\n        node = cacheEntry.cellNodesByColumnIdx[columnIdx][0];\r\n\r\n      if (row === activeRow && columnIdx === activeCell && currentEditor){\r\n        currentEditor.loadValue(d);\r\n      } else if (d){\r\n        node.innerHTML = callFormatter(row, columnIdx, getDataItemValueForColumn(d, m), m, d);\r\n      } else {\r\n        node.innerHTML = \"\";\r\n      }\r\n    }\r\n\r\n    invalidatePostProcessingResults(row);\r\n  }\r\n\r\n  function getViewportHeight(){\r\n    if (options.autoHeight){\r\n      viewportH = options.rowHeight * getDataLengthIncludingAddNew() + ((options.frozenColumn == -1) ? $headers.outerHeight() : 0);\r\n    } else {\r\n      topPanelH = (options.showTopPanel) ? options.topPanelHeight + getVBoxDelta($topPanelScroller) : 0;\r\n\r\n      headerRowH = (options.showHeaderRow) ? options.headerRowHeight + getVBoxDelta($headerRowScroller) : 0;\r\n\r\n      footerRowH = (options.showFooterRow) ? options.footerRowHeight + getVBoxDelta($footerRowScroller) : 0;\r\n\r\n      viewportH = parseFloat($.css($container[0], \"height\", true)) - parseFloat($.css($container[0], \"paddingTop\", true)) - parseFloat($.css($container[0], \"paddingBottom\", true)) - parseFloat($.css($headerScroller[0], \"height\")) - getVBoxDelta($headerScroller) - topPanelH - headerRowH - footerRowH;\r\n    }\r\n\r\n    numVisibleRows = Math.ceil(viewportH / options.rowHeight);\r\n  }\r\n\r\n  function getViewportWidth(){\r\n    viewportW = parseFloat($.css($container[0], \"width\", true));\r\n  }\r\n\r\n  function resizeCanvas(){\r\n    if (!initialized){\r\n      return;\r\n    }\r\n\r\n    paneTopH = 0\r\n    paneBottomH = 0\r\n    viewportTopH = 0\r\n    viewportBottomH = 0;\r\n\r\n    getViewportWidth();\r\n    getViewportHeight();\r\n\r\n    // Account for Frozen Rows\r\n    if (hasFrozenRows){\r\n      if (options.frozenBottom){\r\n        paneTopH = viewportH - frozenRowsHeight - scrollbarDimensions.height;\r\n\r\n        paneBottomH = frozenRowsHeight + scrollbarDimensions.height;\r\n      } else {\r\n        paneTopH = frozenRowsHeight;\r\n        paneBottomH = viewportH - frozenRowsHeight;\r\n      }\r\n    } else {\r\n      paneTopH = viewportH;\r\n    }\r\n\r\n    // The top pane includes the top panel and the header row\r\n    paneTopH += topPanelH + headerRowH + footerRowH;\r\n\r\n    if (hasFrozenColumns() && options.autoHeight){\r\n      paneTopH += scrollbarDimensions.height;\r\n    }\r\n\r\n    // The top viewport does not contain the top panel or header row\r\n    viewportTopH = paneTopH - topPanelH - headerRowH - footerRowH;\r\n\r\n    if (options.autoHeight){\r\n      if (hasFrozenColumns()){\r\n        $container.height(\r\n          paneTopH + parseFloat($.css($headerScrollerL[0], \"height\")));\r\n      }\r\n\r\n      $paneTopL.css('position', 'relative');\r\n    }\r\n\r\n    $paneTopL.css({\r\n      'top': $paneHeaderL.height(),\r\n      'height': paneTopH\r\n    });\r\n\r\n    var paneBottomTop = $paneTopL.position().top + paneTopH;\r\n\r\n    $viewportTopL.height(viewportTopH);\r\n\r\n    if (hasFrozenColumns()){\r\n      $paneTopR.css({\r\n        'top': $paneHeaderL.height(),\r\n        'height': paneTopH\r\n      });\r\n\r\n      $viewportTopR.height(viewportTopH);\r\n\r\n      if (hasFrozenRows){\r\n        $paneBottomL.css({\r\n          'top': paneBottomTop,\r\n          'height': paneBottomH\r\n        });\r\n\r\n        $paneBottomR.css({\r\n          'top': paneBottomTop,\r\n          'height': paneBottomH\r\n        });\r\n\r\n        $viewportBottomR.height(paneBottomH);\r\n      }\r\n    } else {\r\n      if (hasFrozenRows){\r\n        $paneBottomL.css({\r\n          'width': '100%',\r\n          'height': paneBottomH\r\n        });\r\n\r\n        $paneBottomL.css('top', paneBottomTop);\r\n      }\r\n    }\r\n\r\n    if (hasFrozenRows){\r\n      $viewportBottomL.height(paneBottomH);\r\n\r\n      if (options.frozenBottom){\r\n        $canvasBottomL.height(frozenRowsHeight);\r\n\r\n        if (hasFrozenColumns()){\r\n          $canvasBottomR.height(frozenRowsHeight);\r\n        }\r\n      } else {\r\n        $canvasTopL.height(frozenRowsHeight);\r\n\r\n        if (hasFrozenColumns()){\r\n          $canvasTopR.height(frozenRowsHeight);\r\n        }\r\n      }\r\n    } else {\r\n      $viewportTopR.height(viewportTopH);\r\n    }\r\n\r\n    if (options.forceFitColumns){\r\n      autosizeColumns();\r\n    }\r\n\r\n    updateRowCount();\r\n    handleScroll();\r\n    // Since the width has changed, force the render() to reevaluate virtually rendered cells.\r\n    lastRenderedScrollLeft = -1;\r\n    render();\r\n  }\r\n\r\n  function updateRowCount(){\r\n    if (!initialized){\r\n      return;\r\n    }\r\n\r\n    var dataLengthIncludingAddNew = getDataLengthIncludingAddNew();\r\n    var numberOfRows = 0;\r\n    var oldH = (hasFrozenRows && !options.frozenBottom) ? $canvasBottomL.height() : $canvasTopL.height();\r\n\r\n    if (hasFrozenRows){\r\n      var numberOfRows = getDataLength() - options.frozenRow;\r\n    } else {\r\n      var numberOfRows = dataLengthIncludingAddNew + (options.leaveSpaceForNewRows ? numVisibleRows - 1 : 0);\r\n    }\r\n\r\n    var tempViewportH = $viewportScrollContainerY.height();\r\n    var oldViewportHasVScroll = viewportHasVScroll;\r\n    // with autoHeight, we do not need to accommodate the vertical scroll bar\r\n    viewportHasVScroll = !options.autoHeight && (numberOfRows * options.rowHeight > tempViewportH);\r\n\r\n    makeActiveCellNormal();\r\n\r\n    // remove the rows that are now outside of the data range\r\n    // this helps avoid redundant calls to .removeRow() when the size of the data decreased by thousands of rows\r\n    var l = dataLengthIncludingAddNew - 1;\r\n    for (var i in rowsCache){\r\n      if (i >= l){\r\n        removeRowFromCache(i);\r\n      }\r\n    }\r\n\r\n    th = Math.max(options.rowHeight * numberOfRows, tempViewportH - scrollbarDimensions.height);\r\n\r\n    if (activeCellNode && activeRow > l){\r\n      resetActiveCell();\r\n    }\r\n\r\n    if (th < maxSupportedCssHeight){\r\n      // just one page\r\n      h = ph = th;\r\n      n = 1;\r\n      cj = 0;\r\n    } else {\r\n      // break into pages\r\n      h = maxSupportedCssHeight;\r\n      ph = h / 100;\r\n      n = Math.floor(th / ph);\r\n      cj = (th - h) / (n - 1);\r\n    }\r\n\r\n    if (h !== oldH){\r\n      if (hasFrozenRows && !options.frozenBottom){\r\n        $canvasBottomL.css(\"height\", h);\r\n\r\n        if (hasFrozenColumns()){\r\n          $canvasBottomR.css(\"height\", h);\r\n        }\r\n      } else {\r\n        $canvasTopL.css(\"height\", h);\r\n        $canvasTopR.css(\"height\", h);\r\n      }\r\n\r\n      scrollTop = $viewportScrollContainerY[0].scrollTop;\r\n    }\r\n\r\n    var oldScrollTopInRange = (scrollTop + offset <= th - tempViewportH);\r\n\r\n    if (th == 0 || scrollTop == 0){\r\n      page = offset = 0;\r\n    } else if (oldScrollTopInRange){\r\n      // maintain virtual position\r\n      scrollTo(scrollTop + offset);\r\n    } else {\r\n      // scroll to bottom\r\n      scrollTo(th - tempViewportH);\r\n    }\r\n\r\n    if (h != oldH && options.autoHeight){\r\n      resizeCanvas();\r\n    }\r\n\r\n    if (options.forceFitColumns && oldViewportHasVScroll != viewportHasVScroll){\r\n      autosizeColumns();\r\n    }\r\n    updateCanvasWidth(false);\r\n  }\r\n\r\n  function getVisibleRange(viewportTop, viewportLeft){\r\n    if (viewportTop == null){\r\n      viewportTop = scrollTop;\r\n    }\r\n    if (viewportLeft == null){\r\n      viewportLeft = scrollLeft;\r\n    }\r\n\r\n    return {\r\n      top: getRowFromPosition(viewportTop),\r\n      bottom: getRowFromPosition(viewportTop + viewportH) + 1,\r\n      leftPx: viewportLeft,\r\n      rightPx: viewportLeft + viewportW\r\n    };\r\n  }\r\n\r\n  function getRenderedRange(viewportTop, viewportLeft){\r\n    var range = getVisibleRange(viewportTop, viewportLeft);\r\n    var buffer = Math.round(viewportH / options.rowHeight);\r\n    var minBuffer = 3;\r\n\r\n    if (vScrollDir == -1){\r\n      range.top -= buffer;\r\n      range.bottom += minBuffer;\r\n    } else if (vScrollDir == 1){\r\n      range.top -= minBuffer;\r\n      range.bottom += buffer;\r\n    } else {\r\n      range.top -= minBuffer;\r\n      range.bottom += minBuffer;\r\n    }\r\n\r\n    range.top = Math.max(0, range.top);\r\n    range.bottom = Math.min(getDataLengthIncludingAddNew() - 1, range.bottom);\r\n\r\n    range.leftPx -= viewportW;\r\n    range.rightPx += viewportW;\r\n\r\n    range.leftPx = Math.max(0, range.leftPx);\r\n    range.rightPx = Math.min(canvasWidth, range.rightPx);\r\n\r\n    return range;\r\n  }\r\n\r\n  function ensureCellNodesInRowsCache(row){\r\n    var cacheEntry = rowsCache[row];\r\n    if (cacheEntry){\r\n      if (cacheEntry.cellRenderQueue.length){\r\n        var $lastNode = cacheEntry.rowNode.children().last();\r\n        while (cacheEntry.cellRenderQueue.length){\r\n          var columnIdx = cacheEntry.cellRenderQueue.pop();\r\n\r\n          cacheEntry.cellNodesByColumnIdx[columnIdx] = $lastNode;\r\n          $lastNode = $lastNode.prev();\r\n\r\n          // Hack to retrieve the frozen columns because\r\n          if ($lastNode.length == 0){\r\n            $lastNode = $(cacheEntry.rowNode[0]).children().last();\r\n          }\r\n        }\r\n      }\r\n    }\r\n  }\r\n\r\n  function cleanUpCells(range, row){\r\n    // Ignore frozen rows\r\n    if (hasFrozenRows && ((options.frozenBottom && row > actualFrozenRow) // Frozen bottom rows\r\n        ||\r\n        (row <= actualFrozenRow) // Frozen top rows\r\n      )){\r\n      return;\r\n    }\r\n\r\n    var totalCellsRemoved = 0;\r\n    var cacheEntry = rowsCache[row];\r\n\r\n    // Remove cells outside the range.\r\n    var cellsToRemove = [];\r\n    for (var i in cacheEntry.cellNodesByColumnIdx){\r\n      // I really hate it when people mess with Array.prototype.\r\n      if (!cacheEntry.cellNodesByColumnIdx.hasOwnProperty(i)){\r\n        continue;\r\n      }\r\n\r\n      // This is a string, so it needs to be cast back to a number.\r\n      i = i | 0;\r\n\r\n      // Ignore frozen columns\r\n      if (i <= options.frozenColumn){\r\n        continue;\r\n      }\r\n\r\n      var colspan = cacheEntry.cellColSpans[i];\r\n      if (columnPosLeft[i] > range.rightPx || columnPosRight[Math.min(columns.length - 1, i + colspan - 1)] < range.leftPx){\r\n        if (!(row == activeRow && i == activeCell)){\r\n          cellsToRemove.push(i);\r\n        }\r\n      }\r\n    }\r\n\r\n    var cellToRemove;\r\n    while ((cellToRemove = cellsToRemove.pop()) != null){\r\n      cacheEntry.cellNodesByColumnIdx[cellToRemove][0].parentElement.removeChild(cacheEntry.cellNodesByColumnIdx[cellToRemove][0]);\r\n      delete cacheEntry.cellColSpans[cellToRemove];\r\n      delete cacheEntry.cellNodesByColumnIdx[cellToRemove];\r\n      if (postProcessedRows[row]){\r\n        delete postProcessedRows[row][cellToRemove];\r\n      }\r\n      totalCellsRemoved++;\r\n    }\r\n  }\r\n\r\n  function cleanUpAndRenderCells(range){\r\n    var cacheEntry;\r\n    var stringArray = [];\r\n    var processedRows = [];\r\n    var cellsAdded;\r\n    var totalCellsAdded = 0;\r\n    var colspan;\r\n\r\n    for (var row = range.top, btm = range.bottom; row <= btm; row++){\r\n      cacheEntry = rowsCache[row];\r\n      if (!cacheEntry){\r\n        continue;\r\n      }\r\n\r\n      // cellRenderQueue populated in renderRows() needs to be cleared first\r\n      ensureCellNodesInRowsCache(row);\r\n\r\n      cleanUpCells(range, row);\r\n\r\n      // Render missing cells.\r\n      cellsAdded = 0;\r\n\r\n      var metadata = data.getItemMetadata && data.getItemMetadata(row);\r\n      metadata = metadata && metadata.columns;\r\n\r\n      var d = getDataItem(row);\r\n\r\n      // TODO:  shorten this loop (index? heuristics? binary search?)\r\n      for (var i = 0, ii = columns.length; i < ii; i++){\r\n        // Cells to the right are outside the range.\r\n        if (columnPosLeft[i] > range.rightPx){\r\n          break;\r\n        }\r\n\r\n        // Already rendered.\r\n        if ((colspan = cacheEntry.cellColSpans[i]) != null){\r\n          i += (colspan > 1 ? colspan - 1 : 0);\r\n          continue;\r\n        }\r\n\r\n        colspan = 1;\r\n        if (metadata){\r\n          var columnData = metadata[columns[i].id] || metadata[i];\r\n          colspan = (columnData && columnData.colspan) || 1;\r\n          if (colspan === \"*\"){\r\n            colspan = ii - i;\r\n          }\r\n        }\r\n\r\n        if (columnPosRight[Math.min(ii - 1, i + colspan - 1)] > range.leftPx){\r\n          appendCellHtml(stringArray, row, i, colspan, d);\r\n          cellsAdded++;\r\n        }\r\n\r\n        i += (colspan > 1 ? colspan - 1 : 0);\r\n      }\r\n\r\n      if (cellsAdded){\r\n        totalCellsAdded += cellsAdded;\r\n        processedRows.push(row);\r\n      }\r\n    }\r\n\r\n    if (!stringArray.length){\r\n      return;\r\n    }\r\n\r\n    var x = document.createElement(\"div\");\r\n    x.innerHTML = stringArray.join(\"\");\r\n\r\n    var processedRow;\r\n    var $node;\r\n    while ((processedRow = processedRows.pop()) != null){\r\n      cacheEntry = rowsCache[processedRow];\r\n      var columnIdx;\r\n      while ((columnIdx = cacheEntry.cellRenderQueue.pop()) != null){\r\n        $node = $(x).children().last();\r\n\r\n        if (hasFrozenColumns() && (columnIdx > options.frozenColumn)){\r\n          $(cacheEntry.rowNode[1]).append($node);\r\n        } else {\r\n          $(cacheEntry.rowNode[0]).append($node);\r\n        }\r\n\r\n        cacheEntry.cellNodesByColumnIdx[columnIdx] = $node;\r\n      }\r\n    }\r\n  }\r\n\r\n  function renderRows(range){\r\n    var stringArrayL = [],\r\n      stringArrayR = [],\r\n      rows = [],\r\n      needToReselectCell = false,\r\n      dataLength = getDataLength();\r\n\r\n    for (var i = range.top, ii = range.bottom; i <= ii; i++){\r\n      if (rowsCache[i] || (hasFrozenRows && options.frozenBottom && i == getDataLength())){\r\n        continue;\r\n      }\r\n      renderedRows++;\r\n      rows.push(i);\r\n\r\n      // Create an entry right away so that appendRowHtml() can\r\n      // start populatating it.\r\n      rowsCache[i] = {\r\n        \"rowNode\": null,\r\n\r\n        // ColSpans of rendered cells (by column idx).\r\n        // Can also be used for checking whether a cell has been rendered.\r\n        \"cellColSpans\": [],\r\n\r\n        // Cell nodes (by column idx).  Lazy-populated by ensureCellNodesInRowsCache().\r\n        \"cellNodesByColumnIdx\": [],\r\n\r\n        // Column indices of cell nodes that have been rendered, but not yet indexed in\r\n        // cellNodesByColumnIdx.  These are in the same order as cell nodes added at the\r\n        // end of the row.\r\n        \"cellRenderQueue\": []\r\n      };\r\n\r\n      appendRowHtml(stringArrayL, stringArrayR, i, range, dataLength);\r\n      if (activeCellNode && activeRow === i){\r\n        needToReselectCell = true;\r\n      }\r\n      counter_rows_rendered++;\r\n    }\r\n\r\n    if (!rows.length){\r\n      return;\r\n    }\r\n\r\n    var x = document.createElement(\"div\"),\r\n      xRight = document.createElement(\"div\");\r\n\r\n    x.innerHTML = stringArrayL.join(\"\");\r\n    xRight.innerHTML = stringArrayR.join(\"\");\r\n\r\n    for (var i = 0, ii = rows.length; i < ii; i++){\r\n      if ((hasFrozenRows) && (rows[i] >= actualFrozenRow)){\r\n        if (hasFrozenColumns()){\r\n          rowsCache[rows[i]].rowNode = $()\r\n            .add($(x.firstChild).appendTo($canvasBottomL))\r\n            .add($(xRight.firstChild).appendTo($canvasBottomR));\r\n        } else {\r\n          rowsCache[rows[i]].rowNode = $()\r\n            .add($(x.firstChild).appendTo($canvasBottomL));\r\n        }\r\n      } else if (hasFrozenColumns()){\r\n        rowsCache[rows[i]].rowNode = $()\r\n          .add($(x.firstChild).appendTo($canvasTopL))\r\n          .add($(xRight.firstChild).appendTo($canvasTopR));\r\n      } else {\r\n        rowsCache[rows[i]].rowNode = $()\r\n          .add($(x.firstChild).appendTo($canvasTopL));\r\n      }\r\n    }\r\n\r\n    if (needToReselectCell){\r\n      activeCellNode = getCellNode(activeRow, activeCell);\r\n    }\r\n  }\r\n\r\n  function startPostProcessing(){\r\n    if (!options.enableAsyncPostRender){\r\n      return;\r\n    }\r\n    clearTimeout(h_postrender);\r\n    h_postrender = setTimeout(asyncPostProcessRows, options.asyncPostRenderDelay);\r\n  }\r\n\r\n  function invalidatePostProcessingResults(row){\r\n    delete postProcessedRows[row];\r\n    postProcessFromRow = Math.min(postProcessFromRow, row);\r\n    postProcessToRow = Math.max(postProcessToRow, row);\r\n    startPostProcessing();\r\n  }\r\n\r\n  function updateRowPositions(){\r\n    for (var row in rowsCache){\r\n      rowsCache[row].rowNode.css('top', getRowTop(row) + \"px\");\r\n    }\r\n  }\r\n\r\n  function render(){\r\n    if (!initialized){\r\n      return;\r\n    }\r\n    var visible = getVisibleRange();\r\n    var rendered = getRenderedRange();\r\n\r\n    // remove rows no longer in the viewport\r\n    cleanupRows(rendered);\r\n\r\n    // add new rows & missing cells in existing rows\r\n    if (lastRenderedScrollLeft != scrollLeft){\r\n\r\n      if (hasFrozenRows){\r\n\r\n        var renderedFrozenRows = $.extend(true, {}, rendered);\r\n\r\n        if (options.frozenBottom){\r\n\r\n          renderedFrozenRows.top = actualFrozenRow;\r\n          renderedFrozenRows.bottom = getDataLength();\r\n        } else {\r\n\r\n          renderedFrozenRows.top = 0;\r\n          renderedFrozenRows.bottom = options.frozenRow;\r\n        }\r\n\r\n        cleanUpAndRenderCells(renderedFrozenRows);\r\n      }\r\n\r\n      cleanUpAndRenderCells(rendered);\r\n    }\r\n\r\n    // render missing rows\r\n    renderRows(rendered);\r\n\r\n    // Render frozen rows\r\n    if (hasFrozenRows){\r\n      if (options.frozenBottom){\r\n        renderRows({\r\n          top: actualFrozenRow,\r\n          bottom: getDataLength() - 1,\r\n          leftPx: rendered.leftPx,\r\n          rightPx: rendered.rightPx\r\n        });\r\n      } else {\r\n        renderRows({\r\n          top: 0,\r\n          bottom: options.frozenRow - 1,\r\n          leftPx: rendered.leftPx,\r\n          rightPx: rendered.rightPx\r\n        });\r\n      }\r\n    }\r\n\r\n    postProcessFromRow = visible.top;\r\n    postProcessToRow = Math.min(getDataLengthIncludingAddNew() - 1, visible.bottom);\r\n    startPostProcessing();\r\n\r\n    lastRenderedScrollTop = scrollTop;\r\n    lastRenderedScrollLeft = scrollLeft;\r\n    h_render = null;\r\n  }\r\n\r\n  function handleHeaderRowScroll(){\r\n    var scrollLeft = $headerRowScrollContainer[0].scrollLeft;\r\n    if (scrollLeft != $viewportScrollContainerX[0].scrollLeft){\r\n      $viewportScrollContainerX[0].scrollLeft = scrollLeft;\r\n    }\r\n  }\r\n\r\n  function handleFooterRowScroll(){\r\n    var scrollLeft = $footerRowScrollContainer[0].scrollLeft;\r\n    if (scrollLeft != $viewportScrollContainerX[0].scrollLeft){\r\n      $viewportScrollContainerX[0].scrollLeft = scrollLeft;\r\n    }\r\n  }\r\n\r\n  function handleMouseWheel(e, delta, deltaX, deltaY){\r\n    var $rowNode = $(e.target).closest(\".slick-row\");\r\n    var rowNode = $rowNode[0];\r\n\r\n    if (rowNode != rowNodeFromLastMouseWheelEvent){\r\n\r\n      var $gridCanvas = $rowNode.parents('.grid-canvas');\r\n      var left = $gridCanvas.hasClass('grid-canvas-left');\r\n\r\n      if (zombieRowNodeFromLastMouseWheelEvent && zombieRowNodeFromLastMouseWheelEvent[left ? 0 : 1] != rowNode){\r\n        var zombieRow = zombieRowNodeFromLastMouseWheelEvent[left || zombieRowNodeFromLastMouseWheelEvent.length == 1 ? 0 : 1];\r\n        zombieRow.parentElement.removeChild(zombieRow);\r\n\r\n        zombieRowNodeFromLastMouseWheelEvent = null;\r\n      }\r\n\r\n      rowNodeFromLastMouseWheelEvent = rowNode;\r\n    }\r\n\r\n    scrollTop = Math.max(0, $viewportScrollContainerY[0].scrollTop - (deltaY * options.rowHeight));\r\n    scrollLeft = $viewportScrollContainerX[0].scrollLeft + (deltaX * 10);\r\n    var handled = _handleScroll(true);\r\n    if (handled) e.preventDefault();\r\n  }\r\n\r\n  function handleScroll(){\r\n    scrollTop = $viewportScrollContainerY[0].scrollTop;\r\n    scrollLeft = $viewportScrollContainerX[0].scrollLeft;\r\n    return _handleScroll(false);\r\n  }\r\n\r\n  function _handleScroll(isMouseWheel){\r\n    var maxScrollDistanceY = $viewportScrollContainerY[0].scrollHeight - $viewportScrollContainerY[0].clientHeight;\r\n    var maxScrollDistanceX = $viewportScrollContainerY[0].scrollWidth - $viewportScrollContainerY[0].clientWidth;\r\n    var hasFrozenCols = hasFrozenColumns();\r\n\r\n    // Ceiling the max scroll values\r\n    if (scrollTop > maxScrollDistanceY){\r\n      scrollTop = maxScrollDistanceY;\r\n    }\r\n    if (scrollLeft > maxScrollDistanceX){\r\n      scrollLeft = maxScrollDistanceX;\r\n    }\r\n\r\n    var vScrollDist = Math.abs(scrollTop - prevScrollTop);\r\n    var hScrollDist = Math.abs(scrollLeft - prevScrollLeft);\r\n\r\n    if (hScrollDist){\r\n      prevScrollLeft = scrollLeft;\r\n\r\n      $viewportScrollContainerX[0].scrollLeft = scrollLeft;\r\n      $headerScrollContainer[0].scrollLeft = scrollLeft;\r\n      $topPanelScroller[0].scrollLeft = scrollLeft;\r\n      $headerRowScrollContainer[0].scrollLeft = scrollLeft;\r\n      $footerRowScrollContainer[0].scrollLeft = scrollLeft;\r\n\r\n      if (hasFrozenCols){\r\n        if (hasFrozenRows){\r\n          $viewportTopR[0].scrollLeft = scrollLeft;\r\n        }\r\n      } else {\r\n        if (hasFrozenRows){\r\n          $viewportTopL[0].scrollLeft = scrollLeft;\r\n        }\r\n      }\r\n    }\r\n\r\n    if (vScrollDist){\r\n      vScrollDir = prevScrollTop < scrollTop ? 1 : -1;\r\n      prevScrollTop = scrollTop;\r\n\r\n      if (isMouseWheel){\r\n        $viewportScrollContainerY[0].scrollTop = scrollTop;\r\n      }\r\n\r\n      if (hasFrozenCols){\r\n        if (hasFrozenRows && !options.frozenBottom){\r\n          $viewportBottomL[0].scrollTop = scrollTop;\r\n        } else {\r\n          $viewportTopL[0].scrollTop = scrollTop;\r\n        }\r\n      }\r\n\r\n      // switch virtual pages if needed\r\n      if (vScrollDist < viewportH){\r\n        scrollTo(scrollTop + offset);\r\n      } else {\r\n        var oldOffset = offset;\r\n        if (h == viewportH){\r\n          page = 0;\r\n        } else {\r\n          page = Math.min(n - 1, Math.floor(scrollTop * ((th - viewportH) / (h - viewportH)) * (1 / ph)));\r\n        }\r\n        offset = Math.round(page * cj);\r\n        if (oldOffset != offset){\r\n          invalidateAllRows();\r\n        }\r\n      }\r\n    }\r\n\r\n    if (hScrollDist || vScrollDist){\r\n      if (h_render){\r\n        clearTimeout(h_render);\r\n      }\r\n\r\n      if (Math.abs(lastRenderedScrollTop - scrollTop) > 20 || Math.abs(lastRenderedScrollLeft - scrollLeft) > 20){\r\n        if (options.forceSyncScrolling || (\r\n          Math.abs(lastRenderedScrollTop - scrollTop) < viewportH && Math.abs(lastRenderedScrollLeft - scrollLeft) < viewportW)){\r\n          render();\r\n        } else {\r\n          h_render = setTimeout(render, 50);\r\n        }\r\n\r\n        trigger(self.onViewportChanged, {});\r\n      }\r\n    }\r\n\r\n    trigger(self.onScroll, {\r\n      scrollLeft: scrollLeft,\r\n      scrollTop: scrollTop\r\n    });\r\n\r\n    if (hScrollDist || vScrollDist) return true;\r\n    return false;\r\n  }\r\n\r\n  function asyncPostProcessRows(){\r\n    var dataLength = getDataLength();\r\n    while (postProcessFromRow <= postProcessToRow){\r\n      var row = (vScrollDir >= 0) ? postProcessFromRow++ : postProcessToRow--;\r\n      var cacheEntry = rowsCache[row];\r\n      if (!cacheEntry || row >= dataLength){\r\n        continue;\r\n      }\r\n\r\n      if (!postProcessedRows[row]){\r\n        postProcessedRows[row] = {};\r\n      }\r\n\r\n      ensureCellNodesInRowsCache(row);\r\n      for (var columnIdx in cacheEntry.cellNodesByColumnIdx){\r\n        if (!cacheEntry.cellNodesByColumnIdx.hasOwnProperty(columnIdx)){\r\n          continue;\r\n        }\r\n\r\n        columnIdx = columnIdx | 0;\r\n\r\n        var m = columns[columnIdx];\r\n        if (m.asyncPostRender && !postProcessedRows[row][columnIdx]){\r\n          var node = cacheEntry.cellNodesByColumnIdx[columnIdx];\r\n          if (node){\r\n            m.asyncPostRender(node, row, getDataItem(row), m);\r\n          }\r\n          postProcessedRows[row][columnIdx] = true;\r\n        }\r\n      }\r\n\r\n      h_postrender = setTimeout(asyncPostProcessRows, options.asyncPostRenderDelay);\r\n      return;\r\n    }\r\n  }\r\n\r\n  function updateCellCssStylesOnRenderedRows(addedHash, removedHash){\r\n    var node, columnId, addedRowHash, removedRowHash;\r\n    for (var row in rowsCache){\r\n      removedRowHash = removedHash && removedHash[row];\r\n      addedRowHash = addedHash && addedHash[row];\r\n\r\n      if (removedRowHash){\r\n        for (columnId in removedRowHash){\r\n          if (!addedRowHash || removedRowHash[columnId] != addedRowHash[columnId]){\r\n            node = getCellNode(row, getColumnIndex(columnId));\r\n            if (node){\r\n              $(node).removeClass(removedRowHash[columnId]);\r\n            }\r\n          }\r\n        }\r\n      }\r\n\r\n      if (addedRowHash){\r\n        for (columnId in addedRowHash){\r\n          if (!removedRowHash || removedRowHash[columnId] != addedRowHash[columnId]){\r\n            node = getCellNode(row, getColumnIndex(columnId));\r\n            if (node){\r\n              $(node).addClass(addedRowHash[columnId]);\r\n            }\r\n          }\r\n        }\r\n      }\r\n    }\r\n  }\r\n\r\n  function addCellCssStyles(key, hash){\r\n    if (cellCssClasses[key]){\r\n      throw \"addCellCssStyles: cell CSS hash with key '\" + key + \"' already exists.\";\r\n    }\r\n\r\n    cellCssClasses[key] = hash;\r\n    updateCellCssStylesOnRenderedRows(hash, null);\r\n\r\n    trigger(self.onCellCssStylesChanged, {\r\n      \"key\": key,\r\n      \"hash\": hash\r\n    });\r\n  }\r\n\r\n  function removeCellCssStyles(key){\r\n    if (!cellCssClasses[key]){\r\n      return;\r\n    }\r\n\r\n    updateCellCssStylesOnRenderedRows(null, cellCssClasses[key]);\r\n    delete cellCssClasses[key];\r\n\r\n    trigger(self.onCellCssStylesChanged, {\r\n      \"key\": key,\r\n      \"hash\": null\r\n    });\r\n  }\r\n\r\n  function setCellCssStyles(key, hash){\r\n    var prevHash = cellCssClasses[key];\r\n\r\n    cellCssClasses[key] = hash;\r\n    updateCellCssStylesOnRenderedRows(hash, prevHash);\r\n\r\n    trigger(self.onCellCssStylesChanged, {\r\n      \"key\": key,\r\n      \"hash\": hash\r\n    });\r\n  }\r\n\r\n  function getCellCssStyles(key){\r\n    return cellCssClasses[key];\r\n  }\r\n\r\n  function flashCell(row, cell, speed){\r\n    speed = speed || 100;\r\n    if (rowsCache[row]){\r\n      var $cell = $(getCellNode(row, cell));\r\n\r\n      function toggleCellClass(times){\r\n        if (!times){\r\n          return;\r\n        }\r\n        setTimeout(function(){\r\n            $cell.queue(function(){\r\n              $cell.toggleClass(options.cellFlashingCssClass).dequeue();\r\n              toggleCellClass(times - 1);\r\n            });\r\n          },\r\n          speed);\r\n      }\r\n\r\n      toggleCellClass(4);\r\n    }\r\n  }\r\n\r\n  //////////////////////////////////////////////////////////////////////////////////////////////\r\n  // Interactivity\r\n\r\n  function handleDragInit(e, dd){\r\n    var cell = getCellFromEvent(e);\r\n    if (!cell || !cellExists(cell.row, cell.cell)){\r\n      return false;\r\n    }\r\n\r\n    var retval = trigger(self.onDragInit, dd, e);\r\n    if (e.isImmediatePropagationStopped()){\r\n      return retval;\r\n    }\r\n\r\n    // if nobody claims to be handling drag'n'drop by stopping immediate propagation,\r\n    // cancel out of it\r\n    return false;\r\n  }\r\n\r\n  function handleDragStart(interactEvent){\r\n    var event = $.Event(interactEvent.originalEvent.type, interactEvent.originalEvent);\r\n    var cell = getCellFromEvent(event);\r\n    if (!cell || !cellExists(cell.row, cell.cell)){\r\n      return false;\r\n    }\r\n\r\n    var retval = trigger(self.onDragStart, interactEvent, event);\r\n    if (event.isImmediatePropagationStopped()){\r\n      return retval;\r\n    }\r\n\r\n    return false;\r\n  }\r\n\r\n  function handleDrag(interactEvent){\r\n    var event = $.Event(interactEvent.originalEvent.type, interactEvent.originalEvent);\r\n    return trigger(self.onDrag, interactEvent, event);\r\n  }\r\n\r\n  function handleDragEnd(interactEvent){\r\n    trigger(self.onDragEnd, interactEvent, $.Event('mousedown'));\r\n  }\r\n\r\n  function handleKeyDown(e){\r\n    trigger(self.onKeyDown, {\r\n      row: activeRow,\r\n      cell: activeCell\r\n    }, e);\r\n    var handled = e.isImmediatePropagationStopped();\r\n\r\n    if (!handled){\r\n      if (!e.shiftKey && !e.altKey && !e.ctrlKey){\r\n        if (e.which == 27){\r\n          if (!getEditorLock().isActive()){\r\n            return; // no editing mode to cancel, allow bubbling and default processing (exit without cancelling the event)\r\n          }\r\n          cancelEditAndSetFocus();\r\n        } else if (e.which == 34){\r\n          navigatePageDown();\r\n          handled = true;\r\n        } else if (e.which == 33){\r\n          navigatePageUp();\r\n          handled = true;\r\n        } else if (e.which == 37){\r\n          handled = navigateLeft();\r\n        } else if (e.which == 39){\r\n          handled = navigateRight();\r\n        } else if (e.which == 38){\r\n          handled = navigateUp();\r\n        } else if (e.which == 40){\r\n          handled = navigateDown();\r\n        } else if (e.which == 9){\r\n          handled = navigateNext();\r\n        } else if (e.which == 13){\r\n          if (options.editable){\r\n            if (currentEditor){\r\n              // adding new row\r\n              if (activeRow === getDataLength()){\r\n                navigateDown();\r\n              } else {\r\n                commitEditAndSetFocus();\r\n              }\r\n            } else {\r\n              if (getEditorLock().commitCurrentEdit()){\r\n                makeActiveCellEditable();\r\n              }\r\n            }\r\n          }\r\n          handled = true;\r\n        }\r\n      } else if (e.which == 9 && e.shiftKey && !e.ctrlKey && !e.altKey){\r\n        handled = navigatePrev();\r\n      }\r\n    }\r\n\r\n    if (handled){\r\n      // the event has been handled so don't let parent element (bubbling/propagation) or browser (default) handle it\r\n      e.stopPropagation();\r\n      e.preventDefault();\r\n      try {\r\n        e.originalEvent.keyCode = 0; // prevent default behaviour for special keys in IE browsers (F3, F5, etc.)\r\n      }\r\n        // ignore exceptions - setting the original event's keycode throws access denied exception for \"Ctrl\"\r\n        // (hitting control key only, nothing else), \"Shift\" (maybe others)\r\n      catch (error) {\r\n      }\r\n    }\r\n  }\r\n\r\n  function handleClick(e){\r\n    if (!currentEditor){\r\n      // if this click resulted in some cell child node getting focus,\r\n      // don't steal it back - keyboard events will still bubble up\r\n      // IE9+ seems to default DIVs to tabIndex=0 instead of -1, so check for cell clicks directly.\r\n      if (e.target != document.activeElement || $(e.target).hasClass(\"slick-cell\")){\r\n        setFocus();\r\n      }\r\n    }\r\n\r\n    var cell = getCellFromEvent(e);\r\n    if (!cell || (currentEditor !== null && activeRow == cell.row && activeCell == cell.cell)){\r\n      return;\r\n    }\r\n\r\n    trigger(self.onClick, {\r\n      row: cell.row,\r\n      cell: cell.cell\r\n    }, e);\r\n    if (e.isImmediatePropagationStopped()){\r\n      return;\r\n    }\r\n\r\n    if ((activeCell != cell.cell || activeRow != cell.row) && canCellBeActive(cell.row, cell.cell)){\r\n      if (!getEditorLock().isActive() || getEditorLock().commitCurrentEdit()){\r\n\r\n        scrollRowIntoView(cell.row, false);\r\n        setActiveCellInternal(getCellNode(cell.row, cell.cell));\r\n      }\r\n    }\r\n  }\r\n\r\n  function handleContextMenu(e){\r\n    var $cell = $(e.target).closest(\".slick-cell\", $canvas);\r\n    if ($cell.length === 0){\r\n      return;\r\n    }\r\n\r\n    // are we editing this cell?\r\n    if (activeCellNode === $cell[0] && currentEditor !== null){\r\n      return;\r\n    }\r\n\r\n    trigger(self.onContextMenu, {}, e);\r\n  }\r\n\r\n  function handleDblClick(e){\r\n    var cell = getCellFromEvent(e);\r\n    if (!cell || (currentEditor !== null && activeRow == cell.row && activeCell == cell.cell)){\r\n      return;\r\n    }\r\n\r\n    trigger(self.onDblClick, {\r\n      row: cell.row,\r\n      cell: cell.cell\r\n    }, e);\r\n    if (e.isImmediatePropagationStopped()){\r\n      return;\r\n    }\r\n\r\n    if (options.editable){\r\n      gotoCell(cell.row, cell.cell, true);\r\n    }\r\n  }\r\n\r\n  function handleHeaderMouseEnter(e){\r\n    trigger(self.onHeaderMouseEnter, {\r\n      \"column\": $(this).data(\"column\")\r\n    }, e);\r\n  }\r\n\r\n  function handleHeaderMouseLeave(e){\r\n    trigger(self.onHeaderMouseLeave, {\r\n      \"column\": $(this).data(\"column\")\r\n    }, e);\r\n  }\r\n\r\n  function handleHeaderContextMenu(e){\r\n    var $header = $(e.target).closest(\".slick-header-column\", \".slick-header-columns\");\r\n    var column = $header && $header.data(\"column\");\r\n    trigger(self.onHeaderContextMenu, {\r\n      column: column\r\n    }, e);\r\n  }\r\n\r\n  function handleHeaderClick(e){\r\n    var $header = $(e.target).closest(\".slick-header-column\", \".slick-header-columns\");\r\n    var column = $header && $header.data(\"column\");\r\n    if (column){\r\n      trigger(self.onHeaderClick, {\r\n        column: column\r\n      }, e);\r\n    }\r\n  }\r\n\r\n  function handleMouseEnter(e){\r\n    trigger(self.onMouseEnter, {}, e);\r\n  }\r\n\r\n  function handleMouseLeave(e){\r\n    trigger(self.onMouseLeave, {}, e);\r\n  }\r\n\r\n  function cellExists(row, cell){\r\n    return !(row < 0 || row >= getDataLength() || cell < 0 || cell >= columns.length);\r\n  }\r\n\r\n  function getCellFromPoint(x, y){\r\n    var row = getRowFromPosition(y);\r\n    var cell = 0;\r\n\r\n    var w = 0;\r\n    for (var i = 0; i < columns.length && w < x; i++){\r\n      w += columns[i].width;\r\n      cell++;\r\n    }\r\n\r\n    if (cell < 0){\r\n      cell = 0;\r\n    }\r\n\r\n    return {\r\n      row: row,\r\n      cell: cell - 1\r\n    };\r\n  }\r\n\r\n  function getCellFromNode(cellNode){\r\n    // read column number from .l<columnNumber> CSS class\r\n    var cls = /l\\d+/.exec(cellNode.className);\r\n    if (!cls){\r\n      throw \"getCellFromNode: cannot get cell - \" + cellNode.className;\r\n    }\r\n    return parseInt(cls[0].substr(1, cls[0].length - 1), 10);\r\n  }\r\n\r\n  function getRowFromNode(rowNode){\r\n    for (var row in rowsCache)\r\n      for (var i in rowsCache[row].rowNode)\r\n        if (rowsCache[row].rowNode[i] === rowNode) return row | 0;\r\n\r\n    return null;\r\n  }\r\n\r\n  function getFrozenRowOffset(row){\r\n    var offset = (hasFrozenRows) ? (options.frozenBottom) ? (row >= actualFrozenRow) ? (h < viewportTopH) ? (actualFrozenRow * options.rowHeight) : h : 0 : (row >= actualFrozenRow) ? frozenRowsHeight : 0 : 0;\r\n\r\n    return offset;\r\n  }\r\n\r\n  function getCellFromEvent(e){\r\n    var row, cell;\r\n    var $cell = $(e.target).closest(\".slick-cell\", $canvas);\r\n    if (!$cell.length){\r\n      return null;\r\n    }\r\n\r\n    row = getRowFromNode($cell[0].parentNode);\r\n\r\n    if (hasFrozenRows){\r\n\r\n      var c = $cell.parents('.grid-canvas').offset();\r\n\r\n      var rowOffset = 0;\r\n      var isBottom = $cell.parents('.grid-canvas-bottom').length;\r\n\r\n      if (isBottom){\r\n        rowOffset = (options.frozenBottom) ? $canvasTopL.height() : frozenRowsHeight;\r\n      }\r\n\r\n      row = getCellFromPoint(e.clientX - c.left, e.clientY - c.top + rowOffset + $(document).scrollTop()).row;\r\n    }\r\n\r\n    cell = getCellFromNode($cell[0]);\r\n\r\n    if (row == null || cell == null){\r\n      return null;\r\n    } else {\r\n      return {\r\n        \"row\": row,\r\n        \"cell\": cell\r\n      };\r\n    }\r\n  }\r\n\r\n  function getCellNodeBox(row, cell){\r\n    if (!cellExists(row, cell)){\r\n      return null;\r\n    }\r\n\r\n    var frozenRowOffset = getFrozenRowOffset(row);\r\n\r\n    var y1 = getRowTop(row) - frozenRowOffset;\r\n    var y2 = y1 + options.rowHeight - 1;\r\n    var x1 = 0;\r\n    for (var i = 0; i < cell; i++){\r\n      x1 += columns[i].width;\r\n\r\n      if (options.frozenColumn == i){\r\n        x1 = 0;\r\n      }\r\n    }\r\n    var x2 = x1 + columns[cell].width;\r\n\r\n    return {\r\n      top: y1,\r\n      left: x1,\r\n      bottom: y2,\r\n      right: x2\r\n    };\r\n  }\r\n\r\n  //////////////////////////////////////////////////////////////////////////////////////////////\r\n  // Cell switching\r\n\r\n  function resetActiveCell(){\r\n    setActiveCellInternal(null, false);\r\n  }\r\n\r\n  function setFocus(){\r\n    if (tabbingDirection == -1){\r\n      $focusSink[0].focus();\r\n    } else {\r\n      $focusSink2[0].focus();\r\n    }\r\n  }\r\n\r\n  function scrollCellIntoView(row, cell, doPaging){\r\n    // Don't scroll to frozen cells\r\n    if (cell <= options.frozenColumn){\r\n      return;\r\n    }\r\n\r\n    if (row < actualFrozenRow){\r\n      scrollRowIntoView(row, doPaging);\r\n    }\r\n\r\n    var colspan = getColspan(row, cell);\r\n    var left = columnPosLeft[cell],\r\n      right = columnPosRight[cell + (colspan > 1 ? colspan - 1 : 0)],\r\n      scrollRight = scrollLeft + $viewportScrollContainerX.width();\r\n\r\n    if (left < scrollLeft){\r\n      $viewportScrollContainerX.scrollLeft(left);\r\n      handleScroll();\r\n      render();\r\n    } else if (right > scrollRight){\r\n      $viewportScrollContainerX.scrollLeft(Math.min(left, right - $viewportScrollContainerX[0].clientWidth));\r\n      handleScroll();\r\n      render();\r\n    }\r\n  }\r\n\r\n  function setActiveCellInternal(newCell, opt_editMode){\r\n    if (activeCellNode !== null){\r\n      makeActiveCellNormal();\r\n      $(activeCellNode).removeClass(\"active\");\r\n      if (rowsCache[activeRow]){\r\n        $(rowsCache[activeRow].rowNode).removeClass(\"active\");\r\n      }\r\n    }\r\n\r\n    var activeCellChanged = (activeCellNode !== newCell);\r\n    activeCellNode = newCell;\r\n\r\n    if (activeCellNode != null){\r\n      var $activeCellNode = $(activeCellNode);\r\n      var $activeCellOffset = $activeCellNode.offset();\r\n\r\n      var rowOffset = Math.floor($activeCellNode.parents('.grid-canvas').offset().top);\r\n      var isBottom = $activeCellNode.parents('.grid-canvas-bottom').length;\r\n\r\n      if (hasFrozenRows && isBottom){\r\n        rowOffset -= (options.frozenBottom) ? $canvasTopL.height() : frozenRowsHeight;\r\n      }\r\n\r\n      var cell = getCellFromPoint($activeCellOffset.left, Math.ceil($activeCellOffset.top) - rowOffset);\r\n\r\n      activeRow = cell.row;\r\n      activeCell = activePosX = activeCell = activePosX = getCellFromNode(activeCellNode[0]);\r\n\r\n      $activeCellNode.addClass(\"active\");\r\n      if (rowsCache[activeRow]){\r\n        $(rowsCache[activeRow].rowNode).addClass('active');\r\n      }\r\n\r\n      if (opt_editMode == null){\r\n        opt_editMode = (activeRow == getDataLength()) || options.autoEdit;\r\n      }\r\n\r\n      if (options.editable && opt_editMode && isCellPotentiallyEditable(activeRow, activeCell)){\r\n        clearTimeout(h_editorLoader);\r\n\r\n        if (options.asyncEditorLoading){\r\n          h_editorLoader = setTimeout(function(){\r\n            makeActiveCellEditable();\r\n          }, options.asyncEditorLoadDelay);\r\n        } else {\r\n          makeActiveCellEditable();\r\n        }\r\n      }\r\n    } else {\r\n      activeRow = activeCell = null;\r\n    }\r\n\r\n    if (activeCellChanged){\r\n      setTimeout(scrollActiveCellIntoView, 50);\r\n      trigger(self.onActiveCellChanged, getActiveCell());\r\n    }\r\n  }\r\n\r\n  function clearTextSelection(){\r\n    if (document.selection && document.selection.empty){\r\n      try {\r\n        //IE fails here if selected element is not in dom\r\n        document.selection.empty();\r\n      } catch (e) {\r\n      }\r\n    } else if (window.getSelection){\r\n      var sel = window.getSelection();\r\n      if (sel && sel.removeAllRanges){\r\n        sel.removeAllRanges();\r\n      }\r\n    }\r\n  }\r\n\r\n  function isCellPotentiallyEditable(row, cell){\r\n    var dataLength = getDataLength();\r\n    // is the data for this row loaded?\r\n    if (row < dataLength && !getDataItem(row)){\r\n      return false;\r\n    }\r\n\r\n    // are we in the Add New row?  can we create new from this cell?\r\n    if (columns[cell].cannotTriggerInsert && row >= dataLength){\r\n      return false;\r\n    }\r\n\r\n    // does this cell have an editor?\r\n    if (!getEditor(row, cell)){\r\n      return false;\r\n    }\r\n\r\n    return true;\r\n  }\r\n\r\n  function makeActiveCellNormal(){\r\n    if (!currentEditor){\r\n      return;\r\n    }\r\n    trigger(self.onBeforeCellEditorDestroy, {\r\n      editor: currentEditor\r\n    });\r\n    currentEditor.destroy();\r\n    currentEditor = null;\r\n\r\n    if (activeCellNode){\r\n      var d = getDataItem(activeRow);\r\n      $(activeCellNode).removeClass(\"editable invalid\");\r\n      if (d){\r\n        var column = columns[activeCell];\r\n        activeCellNode[0].innerHTML = callFormatter(activeRow, activeCell, getDataItemValueForColumn(d, column), column, d);\r\n        invalidatePostProcessingResults(activeRow);\r\n      }\r\n    }\r\n\r\n    // if there previously was text selected on a page (such as selected text in the edit cell just removed),\r\n    // IE can't set focus to anything else correctly\r\n    if (navigator.userAgent.toLowerCase().match(/msie/)){\r\n      clearTextSelection();\r\n    }\r\n\r\n    getEditorLock().deactivate(editController);\r\n  }\r\n\r\n  function makeActiveCellEditable(editor){\r\n    if (!activeCellNode){\r\n      return;\r\n    }\r\n    if (!options.editable){\r\n      throw \"Grid : makeActiveCellEditable : should never get called when options.editable is false\";\r\n    }\r\n\r\n    // cancel pending async call if there is one\r\n    clearTimeout(h_editorLoader);\r\n\r\n    if (!isCellPotentiallyEditable(activeRow, activeCell)){\r\n      return;\r\n    }\r\n\r\n    var columnDef = columns[activeCell];\r\n    var item = getDataItem(activeRow);\r\n\r\n    if (trigger(self.onBeforeEditCell, {\r\n        row: activeRow,\r\n        cell: activeCell,\r\n        item: item,\r\n        column: columnDef\r\n      }) === false){\r\n      setFocus();\r\n      return;\r\n    }\r\n\r\n    getEditorLock().activate(editController);\r\n    $(activeCellNode).addClass(\"editable\");\r\n\r\n    // don't clear the cell if a custom editor is passed through\r\n    if (!editor){\r\n      activeCellNode[0].innerHTML = \"\";\r\n    }\r\n\r\n    currentEditor = new (editor || getEditor(activeRow, activeCell))({\r\n      grid: self,\r\n      gridPosition: absBox($container[0]),\r\n      position: absBox(activeCellNode[0]),\r\n      container: activeCellNode,\r\n      column: columnDef,\r\n      item: item || {},\r\n      commitChanges: commitEditAndSetFocus,\r\n      cancelChanges: cancelEditAndSetFocus\r\n    });\r\n\r\n    if (item){\r\n      currentEditor.loadValue(item);\r\n    }\r\n\r\n    serializedEditorValue = currentEditor.serializeValue();\r\n\r\n    if (currentEditor.position){\r\n      handleActiveCellPositionChange();\r\n    }\r\n  }\r\n\r\n  function commitEditAndSetFocus(){\r\n    // if the commit fails, it would do so due to a validation error\r\n    // if so, do not steal the focus from the editor\r\n    if (getEditorLock().commitCurrentEdit()){\r\n      setFocus();\r\n      if (options.autoEdit){\r\n        navigateDown();\r\n      }\r\n    }\r\n  }\r\n\r\n  function cancelEditAndSetFocus(){\r\n    if (getEditorLock().cancelCurrentEdit()){\r\n      setFocus();\r\n    }\r\n  }\r\n\r\n  function absBox(elem){\r\n    var box = {\r\n      top: elem.offsetTop,\r\n      left: elem.offsetLeft,\r\n      bottom: 0,\r\n      right: 0,\r\n      width: $(elem).outerWidth(),\r\n      height: $(elem).outerHeight(),\r\n      visible: true\r\n    };\r\n    box.bottom = box.top + box.height;\r\n    box.right = box.left + box.width;\r\n\r\n    // walk up the tree\r\n    var offsetParent = elem.offsetParent;\r\n    while ((elem = elem.parentNode) != document.body){\r\n      if (box.visible && elem.scrollHeight != elem.offsetHeight && $(elem).css(\"overflowY\") != \"visible\"){\r\n        box.visible = box.bottom > elem.scrollTop && box.top < elem.scrollTop + elem.clientHeight;\r\n      }\r\n\r\n      if (box.visible && elem.scrollWidth != elem.offsetWidth && $(elem).css(\"overflowX\") != \"visible\"){\r\n        box.visible = box.right > elem.scrollLeft && box.left < elem.scrollLeft + elem.clientWidth;\r\n      }\r\n\r\n      box.left -= elem.scrollLeft;\r\n      box.top -= elem.scrollTop;\r\n\r\n      if (elem === offsetParent){\r\n        box.left += elem.offsetLeft;\r\n        box.top += elem.offsetTop;\r\n        offsetParent = elem.offsetParent;\r\n      }\r\n\r\n      box.bottom = box.top + box.height;\r\n      box.right = box.left + box.width;\r\n    }\r\n\r\n    return box;\r\n  }\r\n\r\n  function getActiveCellPosition(){\r\n    return absBox(activeCellNode[0]);\r\n  }\r\n\r\n  function getGridPosition(){\r\n    return absBox($container[0])\r\n  }\r\n\r\n  function handleActiveCellPositionChange(){\r\n    if (!activeCellNode){\r\n      return;\r\n    }\r\n\r\n    trigger(self.onActiveCellPositionChanged, {});\r\n\r\n    if (currentEditor){\r\n      var cellBox = getActiveCellPosition();\r\n      if (currentEditor.show && currentEditor.hide){\r\n        if (!cellBox.visible){\r\n          currentEditor.hide();\r\n        } else {\r\n          currentEditor.show();\r\n        }\r\n      }\r\n\r\n      if (currentEditor.position){\r\n        currentEditor.position(cellBox);\r\n      }\r\n    }\r\n  }\r\n\r\n  function getCellEditor(){\r\n    return currentEditor;\r\n  }\r\n\r\n  function getActiveCell(){\r\n    if (!activeCellNode){\r\n      return null;\r\n    } else {\r\n      return {\r\n        row: activeRow,\r\n        cell: activeCell\r\n      };\r\n    }\r\n  }\r\n\r\n  function getActiveCellNode(){\r\n    return activeCellNode;\r\n  }\r\n\r\n  function scrollActiveCellIntoView(){\r\n    if (activeRow != null && activeCell != null){\r\n      scrollCellIntoView(activeRow, activeCell);\r\n    }\r\n  }\r\n\r\n  function scrollRowIntoView(row, doPaging){\r\n\r\n    if (!hasFrozenRows || (!options.frozenBottom && row > actualFrozenRow - 1) || (options.frozenBottom && row < actualFrozenRow - 1)){\r\n\r\n      var viewportScrollH = $viewportScrollContainerY.height();\r\n\r\n      var rowAtTop = row * options.rowHeight;\r\n      var rowAtBottom = (row + 1) * options.rowHeight - viewportScrollH + (viewportHasHScroll ? scrollbarDimensions.height : 0);\r\n\r\n      // need to page down?\r\n      if ((row + 1) * options.rowHeight > scrollTop + viewportScrollH + offset){\r\n        scrollTo(doPaging ? rowAtTop : rowAtBottom);\r\n        render();\r\n      }\r\n      // or page up?\r\n      else if (row * options.rowHeight < scrollTop + offset){\r\n        scrollTo(doPaging ? rowAtBottom : rowAtTop);\r\n        render();\r\n      }\r\n    }\r\n  }\r\n\r\n  function scrollRowToTop(row){\r\n    scrollTo(row * options.rowHeight);\r\n    render();\r\n  }\r\n\r\n  function scrollPage(dir){\r\n    var deltaRows = dir * numVisibleRows;\r\n    scrollTo((getRowFromPosition(scrollTop) + deltaRows) * options.rowHeight);\r\n    render();\r\n\r\n    if (options.enableCellNavigation && activeRow != null){\r\n      var row = activeRow + deltaRows;\r\n      var dataLengthIncludingAddNew = getDataLengthIncludingAddNew();\r\n      if (row >= dataLengthIncludingAddNew){\r\n        row = dataLengthIncludingAddNew - 1;\r\n      }\r\n      if (row < 0){\r\n        row = 0;\r\n      }\r\n\r\n      var cell = 0,\r\n        prevCell = null;\r\n      var prevActivePosX = activePosX;\r\n      while (cell <= activePosX){\r\n        if (canCellBeActive(row, cell)){\r\n          prevCell = cell;\r\n        }\r\n        cell += getColspan(row, cell);\r\n      }\r\n\r\n      if (prevCell !== null){\r\n        setActiveCellInternal(getCellNode(row, prevCell));\r\n        activePosX = prevActivePosX;\r\n      } else {\r\n        resetActiveCell();\r\n      }\r\n    }\r\n  }\r\n\r\n  function navigatePageDown(){\r\n    scrollPage(1);\r\n  }\r\n\r\n  function navigatePageUp(){\r\n    scrollPage(-1);\r\n  }\r\n\r\n  function getColspan(row, cell){\r\n    var metadata = data.getItemMetadata && data.getItemMetadata(row);\r\n    if (!metadata || !metadata.columns){\r\n      return 1;\r\n    }\r\n\r\n    var columnData = columns[cell] && (metadata.columns[columns[cell].id] || metadata.columns[cell]);\r\n    var colspan = (columnData && columnData.colspan);\r\n    if (colspan === \"*\"){\r\n      colspan = columns.length - cell;\r\n    } else {\r\n      colspan = colspan || 1;\r\n    }\r\n\r\n    return colspan;\r\n  }\r\n\r\n  function findFirstFocusableCell(row){\r\n    var cell = 0;\r\n    while (cell < columns.length){\r\n      if (canCellBeActive(row, cell)){\r\n        return cell;\r\n      }\r\n      cell += getColspan(row, cell);\r\n    }\r\n    return null;\r\n  }\r\n\r\n  function findLastFocusableCell(row){\r\n    var cell = 0;\r\n    var lastFocusableCell = null;\r\n    while (cell < columns.length){\r\n      if (canCellBeActive(row, cell)){\r\n        lastFocusableCell = cell;\r\n      }\r\n      cell += getColspan(row, cell);\r\n    }\r\n    return lastFocusableCell;\r\n  }\r\n\r\n  function gotoRight(row, cell, posX){\r\n    if (cell >= columns.length){\r\n      return null;\r\n    }\r\n\r\n    do {\r\n      cell += getColspan(row, cell);\r\n    }\r\n    while (cell < columns.length && !canCellBeActive(row, cell));\r\n\r\n    if (cell < columns.length){\r\n      return {\r\n        \"row\": row,\r\n        \"cell\": cell,\r\n        \"posX\": cell\r\n      };\r\n    }\r\n    return null;\r\n  }\r\n\r\n  function gotoLeft(row, cell, posX){\r\n    if (cell <= 0){\r\n      return null;\r\n    }\r\n\r\n    var firstFocusableCell = findFirstFocusableCell(row);\r\n    if (firstFocusableCell === null || firstFocusableCell >= cell){\r\n      return null;\r\n    }\r\n\r\n    var prev = {\r\n      \"row\": row,\r\n      \"cell\": firstFocusableCell,\r\n      \"posX\": firstFocusableCell\r\n    };\r\n    var pos;\r\n    while (true){\r\n      pos = gotoRight(prev.row, prev.cell, prev.posX);\r\n      if (!pos){\r\n        return null;\r\n      }\r\n      if (pos.cell >= cell){\r\n        return prev;\r\n      }\r\n      prev = pos;\r\n    }\r\n  }\r\n\r\n  function gotoDown(row, cell, posX){\r\n    var prevCell;\r\n    var dataLengthIncludingAddNew = getDataLengthIncludingAddNew();\r\n    while (true){\r\n      if (++row >= dataLengthIncludingAddNew){\r\n        return null;\r\n      }\r\n\r\n      prevCell = cell = 0;\r\n      while (cell <= posX){\r\n        prevCell = cell;\r\n        cell += getColspan(row, cell);\r\n      }\r\n\r\n      if (canCellBeActive(row, prevCell)){\r\n        return {\r\n          \"row\": row,\r\n          \"cell\": prevCell,\r\n          \"posX\": posX\r\n        };\r\n      }\r\n    }\r\n  }\r\n\r\n  function gotoUp(row, cell, posX){\r\n    var prevCell;\r\n    while (true){\r\n      if (--row < 0){\r\n        return null;\r\n      }\r\n\r\n      prevCell = cell = 0;\r\n      while (cell <= posX){\r\n        prevCell = cell;\r\n        cell += getColspan(row, cell);\r\n      }\r\n\r\n      if (canCellBeActive(row, prevCell)){\r\n        return {\r\n          \"row\": row,\r\n          \"cell\": prevCell,\r\n          \"posX\": posX\r\n        };\r\n      }\r\n    }\r\n  }\r\n\r\n  function gotoNext(row, cell, posX){\r\n    if (row == null && cell == null){\r\n      row = cell = posX = 0;\r\n      if (canCellBeActive(row, cell)){\r\n        return {\r\n          \"row\": row,\r\n          \"cell\": cell,\r\n          \"posX\": cell\r\n        };\r\n      }\r\n    }\r\n\r\n    var pos = gotoRight(row, cell, posX);\r\n    if (pos){\r\n      return pos;\r\n    }\r\n\r\n    var firstFocusableCell = null;\r\n    var dataLengthIncludingAddNew = getDataLengthIncludingAddNew();\r\n    while (++row < dataLengthIncludingAddNew){\r\n      firstFocusableCell = findFirstFocusableCell(row);\r\n      if (firstFocusableCell !== null){\r\n        return {\r\n          \"row\": row,\r\n          \"cell\": firstFocusableCell,\r\n          \"posX\": firstFocusableCell\r\n        };\r\n      }\r\n    }\r\n    return null;\r\n  }\r\n\r\n  function gotoPrev(row, cell, posX){\r\n    if (row == null && cell == null){\r\n      row = getDataLengthIncludingAddNew() - 1;\r\n      cell = posX = columns.length - 1;\r\n      if (canCellBeActive(row, cell)){\r\n        return {\r\n          \"row\": row,\r\n          \"cell\": cell,\r\n          \"posX\": cell\r\n        };\r\n      }\r\n    }\r\n\r\n    var pos;\r\n    var lastSelectableCell;\r\n    while (!pos){\r\n      pos = gotoLeft(row, cell, posX);\r\n      if (pos){\r\n        break;\r\n      }\r\n      if (--row < 0){\r\n        return null;\r\n      }\r\n\r\n      cell = 0;\r\n      lastSelectableCell = findLastFocusableCell(row);\r\n      if (lastSelectableCell !== null){\r\n        pos = {\r\n          \"row\": row,\r\n          \"cell\": lastSelectableCell,\r\n          \"posX\": lastSelectableCell\r\n        };\r\n      }\r\n    }\r\n    return pos;\r\n  }\r\n\r\n  function navigateRight(){\r\n    return navigate(\"right\");\r\n  }\r\n\r\n  function navigateLeft(){\r\n    return navigate(\"left\");\r\n  }\r\n\r\n  function navigateDown(){\r\n    return navigate(\"down\");\r\n  }\r\n\r\n  function navigateUp(){\r\n    return navigate(\"up\");\r\n  }\r\n\r\n  function navigateNext(){\r\n    return navigate(\"next\");\r\n  }\r\n\r\n  function navigatePrev(){\r\n    return navigate(\"prev\");\r\n  }\r\n\r\n  /**\r\n   * @param {string} dir Navigation direction.\r\n   * @return {boolean} Whether navigation resulted in a change of active cell.\r\n   */\r\n  function navigate(dir){\r\n    if (!options.enableCellNavigation){\r\n      return false;\r\n    }\r\n\r\n    if (!activeCellNode && dir != \"prev\" && dir != \"next\"){\r\n      return false;\r\n    }\r\n\r\n    if (!getEditorLock().commitCurrentEdit()){\r\n      return true;\r\n    }\r\n    setFocus();\r\n\r\n    var tabbingDirections = {\r\n      \"up\": -1,\r\n      \"down\": 1,\r\n      \"left\": -1,\r\n      \"right\": 1,\r\n      \"prev\": -1,\r\n      \"next\": 1\r\n    };\r\n    tabbingDirection = tabbingDirections[dir];\r\n\r\n    var stepFunctions = {\r\n      \"up\": gotoUp,\r\n      \"down\": gotoDown,\r\n      \"left\": gotoLeft,\r\n      \"right\": gotoRight,\r\n      \"prev\": gotoPrev,\r\n      \"next\": gotoNext\r\n    };\r\n    var stepFn = stepFunctions[dir];\r\n    var pos = stepFn(activeRow, activeCell, activePosX);\r\n    if (pos){\r\n      if (hasFrozenRows && options.frozenBottom & pos.row == getDataLength()){\r\n        return;\r\n      }\r\n\r\n      var isAddNewRow = (pos.row == getDataLength());\r\n\r\n      if ((!options.frozenBottom && pos.row >= actualFrozenRow) || (options.frozenBottom && pos.row < actualFrozenRow)){\r\n        scrollCellIntoView(pos.row, pos.cell, !isAddNewRow);\r\n      }\r\n\r\n      setActiveCellInternal(getCellNode(pos.row, pos.cell))\r\n      activePosX = pos.posX;\r\n      return true;\r\n    } else {\r\n      setActiveCellInternal(getCellNode(activeRow, activeCell));\r\n      return false;\r\n    }\r\n  }\r\n\r\n  function getCellNode(row, cell){\r\n    if (rowsCache[row]){\r\n      ensureCellNodesInRowsCache(row);\r\n      return rowsCache[row].cellNodesByColumnIdx[cell];\r\n    }\r\n    return null;\r\n  }\r\n\r\n  function setActiveCell(row, cell){\r\n    if (!initialized){\r\n      return;\r\n    }\r\n    if (row > getDataLength() || row < 0 || cell >= columns.length || cell < 0){\r\n      return;\r\n    }\r\n\r\n    if (!options.enableCellNavigation){\r\n      return;\r\n    }\r\n\r\n    scrollCellIntoView(row, cell, false);\r\n    setActiveCellInternal(getCellNode(row, cell), false);\r\n  }\r\n\r\n  function canCellBeActive(row, cell){\r\n    if (!options.enableCellNavigation || row >= getDataLengthIncludingAddNew() || row < 0 || cell >= columns.length || cell < 0){\r\n      return false;\r\n    }\r\n\r\n    var rowMetadata = data.getItemMetadata && data.getItemMetadata(row);\r\n    if (rowMetadata && typeof rowMetadata.focusable === \"boolean\"){\r\n      return rowMetadata.focusable;\r\n    }\r\n\r\n    var columnMetadata = rowMetadata && rowMetadata.columns;\r\n    if (columnMetadata && columns[cell] && columnMetadata[columns[cell].id] && typeof columnMetadata[columns[cell].id].focusable === \"boolean\"){\r\n      return columnMetadata[columns[cell].id].focusable;\r\n    }\r\n    if (columnMetadata && columnMetadata[cell] && typeof columnMetadata[cell].focusable === \"boolean\"){\r\n      return columnMetadata[cell].focusable;\r\n    }\r\n\r\n    return columns[cell] && columns[cell].focusable;\r\n  }\r\n\r\n  function canCellBeSelected(row, cell){\r\n    if (row >= getDataLength() || row < 0 || cell >= columns.length || cell < 0){\r\n      return false;\r\n    }\r\n\r\n    var rowMetadata = data.getItemMetadata && data.getItemMetadata(row);\r\n    if (rowMetadata && typeof rowMetadata.selectable === \"boolean\"){\r\n      return rowMetadata.selectable;\r\n    }\r\n\r\n    var columnMetadata = rowMetadata && rowMetadata.columns && (rowMetadata.columns[columns[cell].id] || rowMetadata.columns[cell]);\r\n    if (columnMetadata && typeof columnMetadata.selectable === \"boolean\"){\r\n      return columnMetadata.selectable;\r\n    }\r\n\r\n    return columns[cell].selectable;\r\n  }\r\n\r\n  function gotoCell(row, cell, forceEdit){\r\n    if (!initialized){\r\n      return;\r\n    }\r\n    if (!canCellBeActive(row, cell)){\r\n      return;\r\n    }\r\n\r\n    if (!getEditorLock().commitCurrentEdit()){\r\n      return;\r\n    }\r\n\r\n    scrollCellIntoView(row, cell, false);\r\n\r\n    var newCell = getCellNode(row, cell);\r\n\r\n    // if selecting the 'add new' row, start editing right away\r\n    setActiveCellInternal(newCell, forceEdit || (row === getDataLength()) || options.autoEdit);\r\n\r\n    // if no editor was created, set the focus back on the grid\r\n    if (!currentEditor){\r\n      setFocus();\r\n    }\r\n  }\r\n\r\n  //////////////////////////////////////////////////////////////////////////////////////////////\r\n  // IEditor implementation for the editor lock\r\n\r\n  function commitCurrentEdit(){\r\n    var item = getDataItem(activeRow);\r\n    var column = columns[activeCell];\r\n\r\n    if (currentEditor){\r\n      if (currentEditor.isValueChanged()){\r\n        var validationResults = currentEditor.validate();\r\n\r\n        if (validationResults.valid){\r\n          if (activeRow < getDataLength()){\r\n            var editCommand = {\r\n              row: activeRow,\r\n              cell: activeCell,\r\n              editor: currentEditor,\r\n              serializedValue: currentEditor.serializeValue(),\r\n              prevSerializedValue: serializedEditorValue,\r\n              execute: function(){\r\n                this.editor.applyValue(item, this.serializedValue);\r\n                updateRow(this.row);\r\n                trigger(self.onCellChange, {\r\n                  row: activeRow,\r\n                  cell: activeCell,\r\n                  item: item\r\n                });\r\n              },\r\n              undo: function(){\r\n                this.editor.applyValue(item, this.prevSerializedValue);\r\n                updateRow(this.row);\r\n                trigger(self.onCellChange, {\r\n                  row: activeRow,\r\n                  cell: activeCell,\r\n                  item: item\r\n                });\r\n              }\r\n            };\r\n\r\n            if (options.editCommandHandler){\r\n              makeActiveCellNormal();\r\n              options.editCommandHandler(item, column, editCommand);\r\n            } else {\r\n              editCommand.execute();\r\n              makeActiveCellNormal();\r\n            }\r\n\r\n          } else {\r\n            var newItem = {};\r\n            currentEditor.applyValue(newItem, currentEditor.serializeValue());\r\n            makeActiveCellNormal();\r\n            trigger(self.onAddNewRow, {\r\n              item: newItem,\r\n              column: column\r\n            });\r\n          }\r\n\r\n          // check whether the lock has been re-acquired by event handlers\r\n          return !getEditorLock().isActive();\r\n        } else {\r\n          // Re-add the CSS class to trigger transitions, if any.\r\n          $(activeCellNode).removeClass(\"invalid\");\r\n          $(activeCellNode).width(); // force layout\r\n          $(activeCellNode).addClass(\"invalid\");\r\n\r\n          trigger(self.onValidationError, {\r\n            editor: currentEditor,\r\n            cellNode: activeCellNode,\r\n            validationResults: validationResults,\r\n            row: activeRow,\r\n            cell: activeCell,\r\n            column: column\r\n          });\r\n\r\n          currentEditor.focus();\r\n          return false;\r\n        }\r\n      }\r\n\r\n      makeActiveCellNormal();\r\n    }\r\n    return true;\r\n  }\r\n\r\n  function cancelCurrentEdit(){\r\n    makeActiveCellNormal();\r\n    return true;\r\n  }\r\n\r\n  function rowsToRanges(rows){\r\n    var ranges = [];\r\n    var lastCell = columns.length - 1;\r\n    for (var i = 0; i < rows.length; i++){\r\n      ranges.push(new Slick.Range(rows[i], 0, rows[i], lastCell));\r\n    }\r\n    return ranges;\r\n  }\r\n\r\n  function getSelectedRows(){\r\n    if (!selectionModel){\r\n      throw \"Selection model is not set\";\r\n    }\r\n    return selectedRows;\r\n  }\r\n\r\n  function setSelectedRows(rows){\r\n    if (!selectionModel){\r\n      throw \"Selection model is not set\";\r\n    }\r\n    selectionModel.setSelectedRanges(rowsToRanges(rows));\r\n  }\r\n\r\n  //////////////////////////////////////////////////////////////////////////////////////////////\r\n  // Debug\r\n\r\n  this.debug = function(){\r\n    var s = \"\";\r\n\r\n    s += (\"\\n\" + \"counter_rows_rendered:  \" + counter_rows_rendered);\r\n    s += (\"\\n\" + \"counter_rows_removed:  \" + counter_rows_removed);\r\n    s += (\"\\n\" + \"renderedRows:  \" + renderedRows);\r\n    s += (\"\\n\" + \"numVisibleRows:  \" + numVisibleRows);\r\n    s += (\"\\n\" + \"maxSupportedCssHeight:  \" + maxSupportedCssHeight);\r\n    s += (\"\\n\" + \"n(umber of pages):  \" + n);\r\n    s += (\"\\n\" + \"(current) page:  \" + page);\r\n    s += (\"\\n\" + \"page height (ph):  \" + ph);\r\n    s += (\"\\n\" + \"vScrollDir:  \" + vScrollDir);\r\n\r\n    alert(s);\r\n  };\r\n\r\n  // a debug helper to be able to access private members\r\n  this.eval = function(expr){\r\n    return eval(expr);\r\n  };\r\n\r\n  //////////////////////////////////////////////////////////////////////////////////////////////\r\n  // Public API\r\n\r\n  $.extend(this, {\r\n    \"slickGridVersion\": \"2.1\",\r\n\r\n    // Events\r\n    \"onScroll\": new Slick.Event(),\r\n    \"onSort\": new Slick.Event(),\r\n    \"onHeaderMouseEnter\": new Slick.Event(),\r\n    \"onHeaderMouseLeave\": new Slick.Event(),\r\n    \"onHeaderContextMenu\": new Slick.Event(),\r\n    \"onHeaderClick\": new Slick.Event(),\r\n    \"onHeaderCellRendered\": new Slick.Event(),\r\n    \"onBeforeHeaderCellDestroy\": new Slick.Event(),\r\n    \"onHeaderRowCellRendered\": new Slick.Event(),\r\n    \"onFooterRowCellRendered\": new Slick.Event(),\r\n    \"onBeforeHeaderRowCellDestroy\": new Slick.Event(),\r\n    \"onBeforeFooterRowCellDestroy\": new Slick.Event(),\r\n    \"onMouseEnter\": new Slick.Event(),\r\n    \"onMouseLeave\": new Slick.Event(),\r\n    \"onClick\": new Slick.Event(),\r\n    \"onDblClick\": new Slick.Event(),\r\n    \"onContextMenu\": new Slick.Event(),\r\n    \"onKeyDown\": new Slick.Event(),\r\n    \"onAddNewRow\": new Slick.Event(),\r\n    \"onValidationError\": new Slick.Event(),\r\n    \"onViewportChanged\": new Slick.Event(),\r\n    \"onColumnsReordered\": new Slick.Event(),\r\n    \"onColumnsResized\": new Slick.Event(),\r\n    \"onCellChange\": new Slick.Event(),\r\n    \"onBeforeEditCell\": new Slick.Event(),\r\n    \"onBeforeCellEditorDestroy\": new Slick.Event(),\r\n    \"onBeforeDestroy\": new Slick.Event(),\r\n    \"onActiveCellChanged\": new Slick.Event(),\r\n    \"onActiveCellPositionChanged\": new Slick.Event(),\r\n    \"onDragInit\": new Slick.Event(),\r\n    \"onDragStart\": new Slick.Event(),\r\n    \"onDrag\": new Slick.Event(),\r\n    \"onDragEnd\": new Slick.Event(),\r\n    \"onSelectedRowsChanged\": new Slick.Event(),\r\n    \"onCellCssStylesChanged\": new Slick.Event(),\r\n\r\n    // Methods\r\n    \"registerPlugin\": registerPlugin,\r\n    \"unregisterPlugin\": unregisterPlugin,\r\n    \"getColumns\": getColumns,\r\n    \"setColumns\": setColumns,\r\n    \"getColumnIndex\": getColumnIndex,\r\n    \"updateColumnHeader\": updateColumnHeader,\r\n    \"setSortColumn\": setSortColumn,\r\n    \"setSortColumns\": setSortColumns,\r\n    \"getSortColumns\": getSortColumns,\r\n    \"autosizeColumns\": autosizeColumns,\r\n    \"getOptions\": getOptions,\r\n    \"setOptions\": setOptions,\r\n    \"getData\": getData,\r\n    \"getDataLength\": getDataLength,\r\n    \"getDataItem\": getDataItem,\r\n    \"setData\": setData,\r\n    \"getSelectionModel\": getSelectionModel,\r\n    \"setSelectionModel\": setSelectionModel,\r\n    \"getSelectedRows\": getSelectedRows,\r\n    \"setSelectedRows\": setSelectedRows,\r\n    \"getContainerNode\": getContainerNode,\r\n\r\n    \"render\": render,\r\n    \"invalidate\": invalidate,\r\n    \"invalidateRow\": invalidateRow,\r\n    \"invalidateRows\": invalidateRows,\r\n    \"invalidateAllRows\": invalidateAllRows,\r\n    \"updateCell\": updateCell,\r\n    \"updateRow\": updateRow,\r\n    \"getViewport\": getVisibleRange,\r\n    \"getRenderedRange\": getRenderedRange,\r\n    \"resizeCanvas\": resizeCanvas,\r\n    \"updateRowCount\": updateRowCount,\r\n    \"scrollRowIntoView\": scrollRowIntoView,\r\n    \"scrollRowToTop\": scrollRowToTop,\r\n    \"scrollCellIntoView\": scrollCellIntoView,\r\n    \"getCanvasNode\": getCanvasNode,\r\n    \"getCanvases\": getCanvases,\r\n    \"getActiveCanvasNode\": getActiveCanvasNode,\r\n    \"setActiveCanvasNode\": setActiveCanvasNode,\r\n    \"getViewportNode\": getViewportNode,\r\n    \"getActiveViewportNode\": getActiveViewportNode,\r\n    \"setActiveViewportNode\": setActiveViewportNode,\r\n    \"focus\": setFocus,\r\n\r\n    \"getCellFromPoint\": getCellFromPoint,\r\n    \"getCellFromEvent\": getCellFromEvent,\r\n    \"getActiveCell\": getActiveCell,\r\n    \"setActiveCell\": setActiveCell,\r\n    \"getActiveCellNode\": getActiveCellNode,\r\n    \"getActiveCellPosition\": getActiveCellPosition,\r\n    \"resetActiveCell\": resetActiveCell,\r\n    \"editActiveCell\": makeActiveCellEditable,\r\n    \"getCellEditor\": getCellEditor,\r\n    \"getCellNode\": getCellNode,\r\n    \"getCellNodeBox\": getCellNodeBox,\r\n    \"canCellBeSelected\": canCellBeSelected,\r\n    \"canCellBeActive\": canCellBeActive,\r\n    \"navigatePrev\": navigatePrev,\r\n    \"navigateNext\": navigateNext,\r\n    \"navigateUp\": navigateUp,\r\n    \"navigateDown\": navigateDown,\r\n    \"navigateLeft\": navigateLeft,\r\n    \"navigateRight\": navigateRight,\r\n    \"navigatePageUp\": navigatePageUp,\r\n    \"navigatePageDown\": navigatePageDown,\r\n    \"gotoCell\": gotoCell,\r\n    \"getTopPanel\": getTopPanel,\r\n    \"setTopPanelVisibility\": setTopPanelVisibility,\r\n    \"setHeaderRowVisibility\": setHeaderRowVisibility,\r\n    \"getHeaderRow\": getHeaderRow,\r\n    \"getHeaderRowColumn\": getHeaderRowColumn,\r\n    \"setFooterRowVisibility\": setFooterRowVisibility,\r\n    \"getFooterRow\": getFooterRow,\r\n    \"getFooterRowColumn\": getFooterRowColumn,\r\n    \"getGridPosition\": getGridPosition,\r\n    \"flashCell\": flashCell,\r\n    \"addCellCssStyles\": addCellCssStyles,\r\n    \"setCellCssStyles\": setCellCssStyles,\r\n    \"removeCellCssStyles\": removeCellCssStyles,\r\n    \"getCellCssStyles\": getCellCssStyles,\r\n    \"getFrozenRowOffset\": getFrozenRowOffset,\r\n\r\n    \"init\": finishInitialization,\r\n    \"destroy\": destroy,\r\n\r\n    // IEditor implementation\r\n    \"getEditorLock\": getEditorLock,\r\n    \"getEditController\": getEditController\r\n  });\r\n\r\n  init();\r\n}\r\n\n\n\n// WEBPACK FOOTER //\n// ../src/slick-frozen.grid.js","import Slick                  from './slick.core';\r\nimport $                      from 'jquery';\r\nimport GroupMetaDataProvider  from './slick.groupmetadataprovider';\r\n\r\nconst Aggregators = {\r\n  Avg: AvgAggregator,\r\n  Min: MinAggregator,\r\n  Max: MaxAggregator,\r\n  Sum: SumAggregator\r\n};\r\n\r\nconst Data = {\r\n  DataView,\r\n  GroupMetaDataProvider,\r\n  Aggregators\r\n};\r\n\r\nexport default Data;\r\n\r\n/** *\r\n * A sample Model implementation.\r\n * Provides a filtered view of the underlying data.\r\n *\r\n * Relies on the data item having an \"id\" property uniquely identifying it.\r\n */\r\nfunction DataView(options){\r\n  let self = this;\r\n\r\n  let defaults = {\r\n    groupItemMetadataProvider: null,\r\n    inlineFilters: false\r\n  };\r\n\r\n  // private\r\n  let idProperty = 'id';  // property holding a unique row id\r\n  let items = [];         // data by index\r\n  let rows = [];          // data by row\r\n  let idxById = {};       // indexes by id\r\n  let rowsById = null;    // rows by id; lazy-calculated\r\n  let filter = null;      // filter function\r\n  let updated = null;     // updated item ids\r\n  let suspend = false;    // suspends the recalculation\r\n  let sortAsc = true;\r\n  let fastSortField;\r\n  let sortComparer;\r\n  let refreshHints = {};\r\n  let prevRefreshHints = {};\r\n  let filterArgs;\r\n  let filteredItems = [];\r\n  let compiledFilter;\r\n  let compiledFilterWithCaching;\r\n  let filterCache = [];\r\n\r\n  // grouping\r\n  let groupingInfoDefaults = {\r\n    getter: null,\r\n    formatter: null,\r\n    comparer: function(a, b){\r\n      return (a.value === b.value ? 0 :\r\n          (a.value > b.value ? 1 : -1)\r\n      );\r\n    },\r\n    predefinedValues: [],\r\n    aggregators: [],\r\n    aggregateEmpty: false,\r\n    aggregateCollapsed: false,\r\n    aggregateChildGroups: false,\r\n    collapsed: false,\r\n    displayTotalsRow: true,\r\n    lazyTotalsCalculation: false\r\n  };\r\n  let groupingInfos = [];\r\n  let groups = [];\r\n  let toggledGroupsByLevel = [];\r\n  let groupingDelimiter = ':|:';\r\n\r\n  let pagesize = 0;\r\n  let pagenum = 0;\r\n  let totalRows = 0;\r\n\r\n  // events\r\n  let onRowCountChanged = new Slick.Event();\r\n  let onRowsChanged = new Slick.Event();\r\n  let onPagingInfoChanged = new Slick.Event();\r\n\r\n  options = $.extend(true, {}, defaults, options);\r\n\r\n  function beginUpdate(){\r\n    suspend = true;\r\n  }\r\n\r\n  function endUpdate(){\r\n    suspend = false;\r\n    refresh();\r\n  }\r\n\r\n  function setRefreshHints(hints){\r\n    refreshHints = hints;\r\n  }\r\n\r\n  function setFilterArgs(args){\r\n    filterArgs = args;\r\n  }\r\n\r\n  function updateIdxById(startingIndex){\r\n    startingIndex = startingIndex || 0;\r\n    let id;\r\n    for (let i = startingIndex, l = items.length; i < l; i++){\r\n      id = items[i][idProperty];\r\n      if (id === undefined){\r\n        throw \"Each data element must implement a unique 'id' property\";\r\n      }\r\n      idxById[id] = i;\r\n    }\r\n  }\r\n\r\n  function ensureIdUniqueness(){\r\n    let id;\r\n    for (let i = 0, l = items.length; i < l; i++){\r\n      id = items[i][idProperty];\r\n      if (id === undefined || idxById[id] !== i){\r\n        throw \"Each data element must implement a unique 'id' property\";\r\n      }\r\n    }\r\n  }\r\n\r\n  function getItems(){\r\n    return items;\r\n  }\r\n\r\n  function setItems(data, objectIdProperty){\r\n    if (objectIdProperty !== undefined){\r\n      idProperty = objectIdProperty;\r\n    }\r\n    items = filteredItems = data;\r\n    idxById = {};\r\n    updateIdxById();\r\n    ensureIdUniqueness();\r\n    refresh();\r\n  }\r\n\r\n  function setPagingOptions(args){\r\n    if (args.pageSize != undefined){\r\n      pagesize = args.pageSize;\r\n      pagenum = pagesize ? Math.min(pagenum, Math.max(0, Math.ceil(totalRows / pagesize) - 1)) : 0;\r\n    }\r\n\r\n    if (args.pageNum != undefined){\r\n      pagenum = Math.min(args.pageNum, Math.max(0, Math.ceil(totalRows / pagesize) - 1));\r\n    }\r\n\r\n    onPagingInfoChanged.notify(getPagingInfo(), null, self);\r\n\r\n    refresh();\r\n  }\r\n\r\n  function getPagingInfo(){\r\n    let totalPages = pagesize ? Math.max(1, Math.ceil(totalRows / pagesize)) : 1;\r\n    return {pageSize: pagesize, pageNum: pagenum, totalRows: totalRows, totalPages: totalPages, dataView: self};\r\n  }\r\n\r\n  function sort(comparer, ascending){\r\n    sortAsc = ascending;\r\n    sortComparer = comparer;\r\n    fastSortField = null;\r\n    if (ascending === false){\r\n      items.reverse();\r\n    }\r\n    items.sort(comparer);\r\n    if (ascending === false){\r\n      items.reverse();\r\n    }\r\n    idxById = {};\r\n    updateIdxById();\r\n    refresh();\r\n  }\r\n\r\n  /** *\r\n   * Provides a workaround for the extremely slow sorting in IE.\r\n   * Does a [lexicographic] sort on a give column by temporarily overriding Object.prototype.toString\r\n   * to return the value of that field and then doing a native Array.sort().\r\n   */\r\n  function fastSort(field, ascending){\r\n    sortAsc = ascending;\r\n    fastSortField = field;\r\n    sortComparer = null;\r\n    let oldToString = Object.prototype.toString;\r\n    Object.prototype.toString = (typeof field == 'function') ? field : function(){\r\n      return this[field];\r\n    };\r\n    // an extra reversal for descending sort keeps the sort stable\r\n    // (assuming a stable native sort implementation, which isn't true in some cases)\r\n    if (ascending === false){\r\n      items.reverse();\r\n    }\r\n    items.sort();\r\n    Object.prototype.toString = oldToString;\r\n    if (ascending === false){\r\n      items.reverse();\r\n    }\r\n    idxById = {};\r\n    updateIdxById();\r\n    refresh();\r\n  }\r\n\r\n  function reSort(){\r\n    if (sortComparer){\r\n      sort(sortComparer, sortAsc);\r\n    } else if (fastSortField){\r\n      fastSort(fastSortField, sortAsc);\r\n    }\r\n  }\r\n\r\n  function setFilter(filterFn){\r\n    filter = filterFn;\r\n    if (options.inlineFilters){\r\n      compiledFilter = compileFilter();\r\n      compiledFilterWithCaching = compileFilterWithCaching();\r\n    }\r\n    refresh();\r\n  }\r\n\r\n  function getGrouping(){\r\n    return groupingInfos;\r\n  }\r\n\r\n  function setGrouping(groupingInfo){\r\n    if (!options.groupItemMetadataProvider){\r\n      options.groupItemMetadataProvider = new Data.GroupItemMetadataProvider();\r\n    }\r\n\r\n    groups = [];\r\n    toggledGroupsByLevel = [];\r\n    groupingInfo = groupingInfo || [];\r\n    groupingInfos = (groupingInfo instanceof Array) ? groupingInfo : [groupingInfo];\r\n\r\n    for (let i = 0; i < groupingInfos.length; i++){\r\n      let gi = groupingInfos[i] = $.extend(true, {}, groupingInfoDefaults, groupingInfos[i]);\r\n      gi.getterIsAFn = typeof gi.getter === 'function';\r\n\r\n      // pre-compile accumulator loops\r\n      gi.compiledAccumulators = [];\r\n      let idx = gi.aggregators.length;\r\n      while (idx--){\r\n        gi.compiledAccumulators[idx] = compileAccumulatorLoop(gi.aggregators[idx]);\r\n      }\r\n\r\n      toggledGroupsByLevel[i] = {};\r\n    }\r\n\r\n    refresh();\r\n  }\r\n\r\n  /**\r\n   * @deprecated Please use {@link setGrouping}.\r\n   */\r\n  function groupBy(valueGetter, valueFormatter, sortComparer){\r\n    if (valueGetter == null){\r\n      setGrouping([]);\r\n      return;\r\n    }\r\n\r\n    setGrouping({\r\n      getter: valueGetter,\r\n      formatter: valueFormatter,\r\n      comparer: sortComparer\r\n    });\r\n  }\r\n\r\n  /**\r\n   * @deprecated Please use {@link setGrouping}.\r\n   */\r\n  function setAggregators(groupAggregators, includeCollapsed){\r\n    if (!groupingInfos.length){\r\n      throw new Error('At least one grouping must be specified before calling setAggregators().');\r\n    }\r\n\r\n    groupingInfos[0].aggregators = groupAggregators;\r\n    groupingInfos[0].aggregateCollapsed = includeCollapsed;\r\n\r\n    setGrouping(groupingInfos);\r\n  }\r\n\r\n  function getItemByIdx(i){\r\n    return items[i];\r\n  }\r\n\r\n  function getIdxById(id){\r\n    return idxById[id];\r\n  }\r\n\r\n  function ensureRowsByIdCache(){\r\n    if (!rowsById){\r\n      rowsById = {};\r\n      for (let i = 0, l = rows.length; i < l; i++){\r\n        rowsById[rows[i][idProperty]] = i;\r\n      }\r\n    }\r\n  }\r\n\r\n  function getRowById(id){\r\n    ensureRowsByIdCache();\r\n    return rowsById[id];\r\n  }\r\n\r\n  function getItemById(id){\r\n    return items[idxById[id]];\r\n  }\r\n\r\n  function mapIdsToRows(idArray){\r\n    let rows = [];\r\n    ensureRowsByIdCache();\r\n    for (let i = 0, l = idArray.length; i < l; i++){\r\n      let row = rowsById[idArray[i]];\r\n      if (row != null){\r\n        rows[rows.length] = row;\r\n      }\r\n    }\r\n    return rows;\r\n  }\r\n\r\n  function mapRowsToIds(rowArray){\r\n    let ids = [];\r\n    for (let i = 0, l = rowArray.length; i < l; i++){\r\n      if (rowArray[i] < rows.length){\r\n        ids[ids.length] = rows[rowArray[i]][idProperty];\r\n      }\r\n    }\r\n    return ids;\r\n  }\r\n\r\n  function updateItem(id, item){\r\n    if (idxById[id] === undefined || id !== item[idProperty]){\r\n      throw 'Invalid or non-matching id';\r\n    }\r\n    items[idxById[id]] = item;\r\n    if (!updated){\r\n      updated = {};\r\n    }\r\n    updated[id] = true;\r\n    refresh();\r\n  }\r\n\r\n  function insertItem(insertBefore, item){\r\n    items.splice(insertBefore, 0, item);\r\n    updateIdxById(insertBefore);\r\n    refresh();\r\n  }\r\n\r\n  function addItem(item){\r\n    items.push(item);\r\n    updateIdxById(items.length - 1);\r\n    refresh();\r\n  }\r\n\r\n  function deleteItem(id){\r\n    let idx = idxById[id];\r\n    if (idx === undefined){\r\n      throw 'Invalid id';\r\n    }\r\n    delete idxById[id];\r\n    items.splice(idx, 1);\r\n    updateIdxById(idx);\r\n    refresh();\r\n  }\r\n\r\n  function getLength(){\r\n    return rows.length;\r\n  }\r\n\r\n  function getItem(i){\r\n    let item = rows[i];\r\n\r\n    // if this is a group row, make sure totals are calculated and update the title\r\n    if (item && item.__group && item.totals && !item.totals.initialized){\r\n      let gi = groupingInfos[item.level];\r\n      if (!gi.displayTotalsRow){\r\n        calculateTotals(item.totals);\r\n        item.title = gi.formatter ? gi.formatter(item) : item.value;\r\n      }\r\n    }\r\n    // if this is a totals row, make sure it's calculated\r\n    else if (item && item.__groupTotals && !item.initialized){\r\n      calculateTotals(item);\r\n    }\r\n\r\n    return item;\r\n  }\r\n\r\n  function getItemMetadata(i){\r\n    let item = rows[i];\r\n    if (item === undefined){\r\n      return null;\r\n    }\r\n\r\n    // overrides for grouping rows\r\n    if (item.__group){\r\n      return options.groupItemMetadataProvider.getGroupRowMetadata(item);\r\n    }\r\n\r\n    // overrides for totals rows\r\n    if (item.__groupTotals){\r\n      return options.groupItemMetadataProvider.getTotalsRowMetadata(item);\r\n    }\r\n\r\n    return null;\r\n  }\r\n\r\n  function expandCollapseAllGroups(level, collapse){\r\n    if (level == null){\r\n      for (let i = 0; i < groupingInfos.length; i++){\r\n        toggledGroupsByLevel[i] = {};\r\n        groupingInfos[i].collapsed = collapse;\r\n      }\r\n    } else {\r\n      toggledGroupsByLevel[level] = {};\r\n      groupingInfos[level].collapsed = collapse;\r\n    }\r\n    refresh();\r\n  }\r\n\r\n  /**\r\n   * @param level {Number} Optional level to collapse.  If not specified, applies to all levels.\r\n   */\r\n  function collapseAllGroups(level){\r\n    expandCollapseAllGroups(level, true);\r\n  }\r\n\r\n  /**\r\n   * @param level {Number} Optional level to expand.  If not specified, applies to all levels.\r\n   */\r\n  function expandAllGroups(level){\r\n    expandCollapseAllGroups(level, false);\r\n  }\r\n\r\n  function expandCollapseGroup(level, groupingKey, collapse){\r\n    toggledGroupsByLevel[level][groupingKey] = groupingInfos[level].collapsed ^ collapse;\r\n    refresh();\r\n  }\r\n\r\n  /**\r\n   * @param letArgs Either a Slick.Group's \"groupingKey\" property, or a\r\n   *     letiable argument list of grouping values denoting a unique path to the row.  For\r\n   *     example, calling collapseGroup('high', '10%') will collapse the '10%' subgroup of\r\n   *     the 'high' group.\r\n   */\r\n  function collapseGroup(letArgs){\r\n    let args = Array.prototype.slice.call(arguments);\r\n    let arg0 = args[0];\r\n    if (args.length == 1 && arg0.indexOf(groupingDelimiter) != -1){\r\n      expandCollapseGroup(arg0.split(groupingDelimiter).length - 1, arg0, true);\r\n    } else {\r\n      expandCollapseGroup(args.length - 1, args.join(groupingDelimiter), true);\r\n    }\r\n  }\r\n\r\n  /**\r\n   * @param letArgs Either a Slick.Group's \"groupingKey\" property, or a\r\n   *     letiable argument list of grouping values denoting a unique path to the row.  For\r\n   *     example, calling expandGroup('high', '10%') will expand the '10%' subgroup of\r\n   *     the 'high' group.\r\n   */\r\n  function expandGroup(letArgs){\r\n    let args = Array.prototype.slice.call(arguments);\r\n    let arg0 = args[0];\r\n    if (args.length == 1 && arg0.indexOf(groupingDelimiter) != -1){\r\n      expandCollapseGroup(arg0.split(groupingDelimiter).length - 1, arg0, false);\r\n    } else {\r\n      expandCollapseGroup(args.length - 1, args.join(groupingDelimiter), false);\r\n    }\r\n  }\r\n\r\n  function getGroups(){\r\n    return groups;\r\n  }\r\n\r\n  function extractGroups(rows, parentGroup){\r\n    let group;\r\n    let val;\r\n    let groups = [];\r\n    let groupsByVal = {};\r\n    let r;\r\n    let level = parentGroup ? parentGroup.level + 1 : 0;\r\n    let gi = groupingInfos[level];\r\n\r\n    for (let i = 0, l = gi.predefinedValues.length; i < l; i++){\r\n      val = gi.predefinedValues[i];\r\n      group = groupsByVal[val];\r\n      if (!group){\r\n        group = new Slick.Group();\r\n        group.value = val;\r\n        group.level = level;\r\n        group.groupingKey = (parentGroup ? parentGroup.groupingKey + groupingDelimiter : '') + val;\r\n        groups[groups.length] = group;\r\n        groupsByVal[val] = group;\r\n      }\r\n    }\r\n\r\n    for (let i = 0, l = rows.length; i < l; i++){\r\n      r = rows[i];\r\n      val = gi.getterIsAFn ? gi.getter(r) : r[gi.getter];\r\n      group = groupsByVal[val];\r\n      if (!group){\r\n        group = new Slick.Group();\r\n        group.value = val;\r\n        group.level = level;\r\n        group.groupingKey = (parentGroup ? parentGroup.groupingKey + groupingDelimiter : '') + val;\r\n        groups[groups.length] = group;\r\n        groupsByVal[val] = group;\r\n      }\r\n\r\n      group.rows[group.count++] = r;\r\n    }\r\n\r\n    if (level < groupingInfos.length - 1){\r\n      for (let i = 0; i < groups.length; i++){\r\n        group = groups[i];\r\n        group.groups = extractGroups(group.rows, group);\r\n      }\r\n    }\r\n\r\n    groups.sort(groupingInfos[level].comparer);\r\n\r\n    return groups;\r\n  }\r\n\r\n  function calculateTotals(totals){\r\n    let group = totals.group;\r\n    let gi = groupingInfos[group.level];\r\n    let isLeafLevel = (group.level == groupingInfos.length);\r\n    let agg, idx = gi.aggregators.length;\r\n\r\n    if (!isLeafLevel && gi.aggregateChildGroups){\r\n      // make sure all the subgroups are calculated\r\n      let i = group.groups.length;\r\n      while (i--){\r\n        if (!group.groups[i].totals.initialized){\r\n          calculateTotals(group.groups[i].totals);\r\n        }\r\n      }\r\n    }\r\n\r\n    while (idx--){\r\n      agg = gi.aggregators[idx];\r\n      agg.init();\r\n      if (!isLeafLevel && gi.aggregateChildGroups){\r\n        gi.compiledAccumulators[idx].call(agg, group.groups);\r\n      } else {\r\n        gi.compiledAccumulators[idx].call(agg, group.rows);\r\n      }\r\n      agg.storeResult(totals);\r\n    }\r\n    totals.initialized = true;\r\n  }\r\n\r\n  function addGroupTotals(group){\r\n    let gi = groupingInfos[group.level];\r\n    let totals = new Slick.GroupTotals();\r\n    totals.group = group;\r\n    group.totals = totals;\r\n    if (!gi.lazyTotalsCalculation){\r\n      calculateTotals(totals);\r\n    }\r\n  }\r\n\r\n  function addTotals(groups, level){\r\n    level = level || 0;\r\n    let gi = groupingInfos[level];\r\n    let groupCollapsed = gi.collapsed;\r\n    let toggledGroups = toggledGroupsByLevel[level];\r\n    let idx = groups.length, g;\r\n    while (idx--){\r\n      g = groups[idx];\r\n\r\n      if (g.collapsed && !gi.aggregateCollapsed){\r\n        continue;\r\n      }\r\n\r\n      // Do a depth-first aggregation so that parent group aggregators can access subgroup totals.\r\n      if (g.groups){\r\n        addTotals(g.groups, level + 1);\r\n      }\r\n\r\n      if (gi.aggregators.length && (\r\n        gi.aggregateEmpty || g.rows.length || (g.groups && g.groups.length))){\r\n        addGroupTotals(g);\r\n      }\r\n\r\n      g.collapsed = groupCollapsed ^ toggledGroups[g.groupingKey];\r\n      g.title = gi.formatter ? gi.formatter(g) : g.value;\r\n    }\r\n  }\r\n\r\n  function flattenGroupedRows(groups, level){\r\n    level = level || 0;\r\n    let gi = groupingInfos[level];\r\n    let groupedRows = [], rows, gl = 0, g;\r\n    for (let i = 0, l = groups.length; i < l; i++){\r\n      g = groups[i];\r\n      groupedRows[gl++] = g;\r\n\r\n      if (!g.collapsed){\r\n        rows = g.groups ? flattenGroupedRows(g.groups, level + 1) : g.rows;\r\n        for (let j = 0, jj = rows.length; j < jj; j++){\r\n          groupedRows[gl++] = rows[j];\r\n        }\r\n      }\r\n\r\n      if (g.totals && gi.displayTotalsRow && (!g.collapsed || gi.aggregateCollapsed)){\r\n        groupedRows[gl++] = g.totals;\r\n      }\r\n    }\r\n    return groupedRows;\r\n  }\r\n\r\n  function getFunctionInfo(fn){\r\n    let fnRegex = /^function[^(]*\\(([^)]*)\\)\\s*{([\\s\\S]*)}$/;\r\n    let matches = fn.toString().match(fnRegex);\r\n    return {\r\n      params: matches[1].split(','),\r\n      body: matches[2]\r\n    };\r\n  }\r\n\r\n  function compileAccumulatorLoop(aggregator){\r\n    let accumulatorInfo = getFunctionInfo(aggregator.accumulate);\r\n    let fn = new Function(\r\n      '_items',\r\n      'for (let ' + accumulatorInfo.params[0] + ', _i=0, _il=_items.length; _i<_il; _i++) {' +\r\n      accumulatorInfo.params[0] + ' = _items[_i]; ' +\r\n      accumulatorInfo.body +\r\n      '}'\r\n    );\r\n    fn.displayName = 'compiledAccumulatorLoop';\r\n    return fn;\r\n  }\r\n\r\n  function compileFilter(){\r\n    let filterInfo = getFunctionInfo(filter);\r\n\r\n    let filterPath1 = '{ continue _coreloop; }$1';\r\n    let filterPath2 = '{ _retval[_idx++] = $item$; continue _coreloop; }$1';\r\n    // make some allowances for minification - there's only so far we can go with RegEx\r\n    let filterBody = filterInfo.body\r\n      .replace(/return false\\s*([;}]|\\}|$)/gi, filterPath1)\r\n      .replace(/return!1([;}]|\\}|$)/gi, filterPath1)\r\n      .replace(/return true\\s*([;}]|\\}|$)/gi, filterPath2)\r\n      .replace(/return!0([;}]|\\}|$)/gi, filterPath2)\r\n      .replace(/return ([^;}]+?)\\s*([;}]|$)/gi,\r\n        '{ if ($1) { _retval[_idx++] = $item$; }; continue _coreloop; }$2');\r\n\r\n    // This preserves the function template code after JS compression,\r\n    // so that replace() commands still work as expected.\r\n    let tpl = [\r\n      // \"function(_items, _args) { \",\r\n      'let _retval = [], _idx = 0; ',\r\n      'let $item$, $args$ = _args; ',\r\n      '_coreloop: ',\r\n      'for (let _i = 0, _il = _items.length; _i < _il; _i++) { ',\r\n      '$item$ = _items[_i]; ',\r\n      '$filter$; ',\r\n      '} ',\r\n      'return _retval; '\r\n      // \"}\"\r\n    ].join('');\r\n    tpl = tpl.replace(/\\$filter\\$/gi, filterBody);\r\n    tpl = tpl.replace(/\\$item\\$/gi, filterInfo.params[0]);\r\n    tpl = tpl.replace(/\\$args\\$/gi, filterInfo.params[1]);\r\n\r\n    let fn = new Function('_items,_args', tpl);\r\n    fn.displayName = 'compiledFilter';\r\n\r\n    return fn;\r\n  }\r\n\r\n  function compileFilterWithCaching(){\r\n    let filterInfo = getFunctionInfo(filter);\r\n\r\n    let filterPath1 = '{ continue _coreloop; }$1';\r\n    let filterPath2 = '{ _cache[_i] = true;_retval[_idx++] = $item$; continue _coreloop; }$1';\r\n    // make some allowances for minification - there's only so far we can go with RegEx\r\n    let filterBody = filterInfo.body\r\n      .replace(/return false\\s*([;}]|\\}|$)/gi, filterPath1)\r\n      .replace(/return!1([;}]|\\}|$)/gi, filterPath1)\r\n      .replace(/return true\\s*([;}]|\\}|$)/gi, filterPath2)\r\n      .replace(/return!0([;}]|\\}|$)/gi, filterPath2)\r\n      .replace(/return ([^;}]+?)\\s*([;}]|$)/gi,\r\n        '{ if ((_cache[_i] = $1)) { _retval[_idx++] = $item$; }; continue _coreloop; }$2');\r\n\r\n    // This preserves the function template code after JS compression,\r\n    // so that replace() commands still work as expected.\r\n    let tpl = [\r\n      // \"function(_items, _args, _cache) { \",\r\n      'let _retval = [], _idx = 0; ',\r\n      'let $item$, $args$ = _args; ',\r\n      '_coreloop: ',\r\n      'for (let _i = 0, _il = _items.length; _i < _il; _i++) { ',\r\n      '$item$ = _items[_i]; ',\r\n      'if (_cache[_i]) { ',\r\n      '_retval[_idx++] = $item$; ',\r\n      'continue _coreloop; ',\r\n      '} ',\r\n      '$filter$; ',\r\n      '} ',\r\n      'return _retval; '\r\n      // \"}\"\r\n    ].join('');\r\n    tpl = tpl.replace(/\\$filter\\$/gi, filterBody);\r\n    tpl = tpl.replace(/\\$item\\$/gi, filterInfo.params[0]);\r\n    tpl = tpl.replace(/\\$args\\$/gi, filterInfo.params[1]);\r\n\r\n    let fn = new Function('_items,_args,_cache', tpl);\r\n    fn.displayName = 'compiledFilterWithCaching';\r\n    return fn;\r\n  }\r\n\r\n  function uncompiledFilter(items, args){\r\n    let retval = [], idx = 0;\r\n\r\n    for (let i = 0, ii = items.length; i < ii; i++){\r\n      if (filter(items[i], args)){\r\n        retval[idx++] = items[i];\r\n      }\r\n    }\r\n\r\n    return retval;\r\n  }\r\n\r\n  function uncompiledFilterWithCaching(items, args, cache){\r\n    let retval = [], idx = 0, item;\r\n\r\n    for (let i = 0, ii = items.length; i < ii; i++){\r\n      item = items[i];\r\n      if (cache[i]){\r\n        retval[idx++] = item;\r\n      } else if (filter(item, args)){\r\n        retval[idx++] = item;\r\n        cache[i] = true;\r\n      }\r\n    }\r\n\r\n    return retval;\r\n  }\r\n\r\n  function getFilteredAndPagedItems(items){\r\n    if (filter){\r\n      let batchFilter = options.inlineFilters ? compiledFilter : uncompiledFilter;\r\n      let batchFilterWithCaching = options.inlineFilters ? compiledFilterWithCaching : uncompiledFilterWithCaching;\r\n\r\n      if (refreshHints.isFilterNarrowing){\r\n        filteredItems = batchFilter(filteredItems, filterArgs);\r\n      } else if (refreshHints.isFilterExpanding){\r\n        filteredItems = batchFilterWithCaching(items, filterArgs, filterCache);\r\n      } else if (!refreshHints.isFilterUnchanged){\r\n        filteredItems = batchFilter(items, filterArgs);\r\n      }\r\n    } else {\r\n      // special case:  if not filtering and not paging, the resulting\r\n      // rows collection needs to be a copy so that changes due to sort\r\n      // can be caught\r\n      filteredItems = pagesize ? items : items.concat();\r\n    }\r\n\r\n    // get the current page\r\n    let paged;\r\n    if (pagesize){\r\n      if (filteredItems.length < pagenum * pagesize){\r\n        pagenum = Math.floor(filteredItems.length / pagesize);\r\n      }\r\n      paged = filteredItems.slice(pagesize * pagenum, pagesize * pagenum + pagesize);\r\n    } else {\r\n      paged = filteredItems;\r\n    }\r\n\r\n    return {totalRows: filteredItems.length, rows: paged};\r\n  }\r\n\r\n  function getRowDiffs(rows, newRows){\r\n    let item, r, eitherIsNonData, diff = [];\r\n    let from = 0, to = newRows.length;\r\n\r\n    if (refreshHints && refreshHints.ignoreDiffsBefore){\r\n      from = Math.max(0,\r\n        Math.min(newRows.length, refreshHints.ignoreDiffsBefore));\r\n    }\r\n\r\n    if (refreshHints && refreshHints.ignoreDiffsAfter){\r\n      to = Math.min(newRows.length,\r\n        Math.max(0, refreshHints.ignoreDiffsAfter));\r\n    }\r\n\r\n    for (let i = from, rl = rows.length; i < to; i++){\r\n      if (i >= rl){\r\n        diff[diff.length] = i;\r\n      } else {\r\n        item = newRows[i];\r\n        r = rows[i];\r\n\r\n        if ((groupingInfos.length && (eitherIsNonData = (item.__nonDataRow) || (r.__nonDataRow)) &&\r\n          item.__group !== r.__group ||\r\n          item.__group && !item.equals(r))\r\n          || (eitherIsNonData &&\r\n          // no good way to compare totals since they are arbitrary DTOs\r\n          // deep object comparison is pretty expensive\r\n          // always considering them 'dirty' seems easier for the time being\r\n          (item.__groupTotals || r.__groupTotals))\r\n          || item[idProperty] != r[idProperty]\r\n          || (updated && updated[item[idProperty]])\r\n        ){\r\n          diff[diff.length] = i;\r\n        }\r\n      }\r\n    }\r\n    return diff;\r\n  }\r\n\r\n  function recalc(_items){\r\n    rowsById = null;\r\n\r\n    if (refreshHints.isFilterNarrowing != prevRefreshHints.isFilterNarrowing ||\r\n      refreshHints.isFilterExpanding != prevRefreshHints.isFilterExpanding){\r\n      filterCache = [];\r\n    }\r\n\r\n    let filteredItems = getFilteredAndPagedItems(_items);\r\n    totalRows = filteredItems.totalRows;\r\n    let newRows = filteredItems.rows;\r\n\r\n    groups = [];\r\n    if (groupingInfos.length){\r\n      groups = extractGroups(newRows);\r\n      if (groups.length){\r\n        addTotals(groups);\r\n        newRows = flattenGroupedRows(groups);\r\n      }\r\n    }\r\n\r\n    let diff = getRowDiffs(rows, newRows);\r\n\r\n    rows = newRows;\r\n\r\n    return diff;\r\n  }\r\n\r\n  function refresh(){\r\n    if (suspend){\r\n      return;\r\n    }\r\n\r\n    let countBefore = rows.length;\r\n    let totalRowsBefore = totalRows;\r\n\r\n    let diff = recalc(items, filter); // pass as direct refs to avoid closure perf hit\r\n\r\n    // if the current page is no longer valid, go to last page and recalc\r\n    // we suffer a performance penalty here, but the main loop (recalc) remains highly optimized\r\n    if (pagesize && totalRows < pagenum * pagesize){\r\n      pagenum = Math.max(0, Math.ceil(totalRows / pagesize) - 1);\r\n      diff = recalc(items, filter);\r\n    }\r\n\r\n    updated = null;\r\n    prevRefreshHints = refreshHints;\r\n    refreshHints = {};\r\n\r\n    if (totalRowsBefore !== totalRows){\r\n      onPagingInfoChanged.notify(getPagingInfo(), null, self);\r\n    }\r\n    if (countBefore !== rows.length){\r\n      onRowCountChanged.notify({previous: countBefore, current: rows.length, dataView: self}, null, self);\r\n    }\r\n    if (diff.length > 0){\r\n      onRowsChanged.notify({rows: diff, dataView: self}, null, self);\r\n    }\r\n  }\r\n\r\n  /** *\r\n   * Wires the grid and the DataView together to keep row selection tied to item ids.\r\n   * This is useful since, without it, the grid only knows about rows, so if the items\r\n   * move around, the same rows stay selected instead of the selection moving along\r\n   * with the items.\r\n   *\r\n   * NOTE:  This doesn't work with cell selection model.\r\n   *\r\n   * @param grid {Slick.Grid} The grid to sync selection with.\r\n   * @param preserveHidden {Boolean} Whether to keep selected items that go out of the\r\n   *     view due to them getting filtered out.\r\n   * @param preserveHiddenOnSelectionChange {Boolean} Whether to keep selected items\r\n   *     that are currently out of the view (see preserveHidden) as selected when selection\r\n   *     changes.\r\n   * @return {Slick.Event} An event that notifies when an internal list of selected row ids\r\n   *     changes.  This is useful since, in combination with the above two options, it allows\r\n   *     access to the full list selected row ids, and not just the ones visible to the grid.\r\n   * @method syncGridSelection\r\n   */\r\n  function syncGridSelection(grid, preserveHidden, preserveHiddenOnSelectionChange){\r\n    let self = this;\r\n    let inHandler;\r\n    let selectedRowIds = self.mapRowsToIds(grid.getSelectedRows());\r\n    let onSelectedRowIdsChanged = new Slick.Event();\r\n\r\n    function setSelectedRowIds(rowIds){\r\n      if (selectedRowIds.join(',') == rowIds.join(',')){\r\n        return;\r\n      }\r\n\r\n      selectedRowIds = rowIds;\r\n\r\n      onSelectedRowIdsChanged.notify({\r\n        'grid': grid,\r\n        'ids': selectedRowIds,\r\n        'dataView': self\r\n      }, new Slick.EventData(), self);\r\n    }\r\n\r\n    function update(){\r\n      if (selectedRowIds.length > 0){\r\n        inHandler = true;\r\n        let selectedRows = self.mapIdsToRows(selectedRowIds);\r\n        if (!preserveHidden){\r\n          setSelectedRowIds(self.mapRowsToIds(selectedRows));\r\n        }\r\n        grid.setSelectedRows(selectedRows);\r\n        inHandler = false;\r\n      }\r\n    }\r\n\r\n    grid.onSelectedRowsChanged.subscribe(function(e, args){\r\n      if (inHandler){\r\n        return;\r\n      }\r\n      let newSelectedRowIds = self.mapRowsToIds(grid.getSelectedRows());\r\n      if (!preserveHiddenOnSelectionChange || !grid.getOptions().multiSelect){\r\n        setSelectedRowIds(newSelectedRowIds);\r\n      } else {\r\n        // keep the ones that are hidden\r\n        let existing = $.grep(selectedRowIds, function(id){\r\n          return self.getRowById(id) === undefined;\r\n        });\r\n        // add the newly selected ones\r\n        setSelectedRowIds(existing.concat(newSelectedRowIds));\r\n      }\r\n    });\r\n\r\n    this.onRowsChanged.subscribe(update);\r\n\r\n    this.onRowCountChanged.subscribe(update);\r\n\r\n    return onSelectedRowIdsChanged;\r\n  }\r\n\r\n  function syncGridCellCssStyles(grid, key){\r\n    let hashById;\r\n    let inHandler;\r\n\r\n    // since this method can be called after the cell styles have been set,\r\n    // get the existing ones right away\r\n    storeCellCssStyles(grid.getCellCssStyles(key));\r\n\r\n    function storeCellCssStyles(hash){\r\n      hashById = {};\r\n      for (let row in hash){\r\n        let id = rows[row][idProperty];\r\n        hashById[id] = hash[row];\r\n      }\r\n    }\r\n\r\n    function update(){\r\n      if (hashById){\r\n        inHandler = true;\r\n        ensureRowsByIdCache();\r\n        let newHash = {};\r\n        for (let id in hashById){\r\n          let row = rowsById[id];\r\n          if (row != undefined){\r\n            newHash[row] = hashById[id];\r\n          }\r\n        }\r\n        grid.setCellCssStyles(key, newHash);\r\n        inHandler = false;\r\n      }\r\n    }\r\n\r\n    grid.onCellCssStylesChanged.subscribe(function(e, args){\r\n      if (inHandler){\r\n        return;\r\n      }\r\n      if (key != args.key){\r\n        return;\r\n      }\r\n      if (args.hash){\r\n        storeCellCssStyles(args.hash);\r\n      }\r\n    });\r\n\r\n    this.onRowsChanged.subscribe(update);\r\n\r\n    this.onRowCountChanged.subscribe(update);\r\n  }\r\n\r\n  $.extend(this, {\r\n    // methods\r\n    'beginUpdate': beginUpdate,\r\n    'endUpdate': endUpdate,\r\n    'setPagingOptions': setPagingOptions,\r\n    'getPagingInfo': getPagingInfo,\r\n    'getItems': getItems,\r\n    'setItems': setItems,\r\n    'setFilter': setFilter,\r\n    'sort': sort,\r\n    'fastSort': fastSort,\r\n    'reSort': reSort,\r\n    'setGrouping': setGrouping,\r\n    'getGrouping': getGrouping,\r\n    'groupBy': groupBy,\r\n    'setAggregators': setAggregators,\r\n    'collapseAllGroups': collapseAllGroups,\r\n    'expandAllGroups': expandAllGroups,\r\n    'collapseGroup': collapseGroup,\r\n    'expandGroup': expandGroup,\r\n    'getGroups': getGroups,\r\n    'getIdxById': getIdxById,\r\n    'getRowById': getRowById,\r\n    'getItemById': getItemById,\r\n    'getItemByIdx': getItemByIdx,\r\n    'mapRowsToIds': mapRowsToIds,\r\n    'mapIdsToRows': mapIdsToRows,\r\n    'setRefreshHints': setRefreshHints,\r\n    'setFilterArgs': setFilterArgs,\r\n    'refresh': refresh,\r\n    'updateItem': updateItem,\r\n    'insertItem': insertItem,\r\n    'addItem': addItem,\r\n    'deleteItem': deleteItem,\r\n    'syncGridSelection': syncGridSelection,\r\n    'syncGridCellCssStyles': syncGridCellCssStyles,\r\n\r\n    // data provider methods\r\n    'getLength': getLength,\r\n    'getItem': getItem,\r\n    'getItemMetadata': getItemMetadata,\r\n\r\n    // events\r\n    'onRowCountChanged': onRowCountChanged,\r\n    'onRowsChanged': onRowsChanged,\r\n    'onPagingInfoChanged': onPagingInfoChanged\r\n  });\r\n}\r\n\r\nfunction AvgAggregator(field){\r\n  this.field_ = field;\r\n\r\n  this.init = function(){\r\n    this.count_ = 0;\r\n    this.nonNullCount_ = 0;\r\n    this.sum_ = 0;\r\n  };\r\n\r\n  this.accumulate = function(item){\r\n    let val = item[this.field_];\r\n    this.count_++;\r\n    if (val != null && val !== '' && !isNaN(val)){\r\n      this.nonNullCount_++;\r\n      this.sum_ += parseFloat(val);\r\n    }\r\n  };\r\n\r\n  this.storeResult = function(groupTotals){\r\n    if (!groupTotals.avg){\r\n      groupTotals.avg = {};\r\n    }\r\n    if (this.nonNullCount_ != 0){\r\n      groupTotals.avg[this.field_] = this.sum_ / this.nonNullCount_;\r\n    }\r\n  };\r\n}\r\n\r\nfunction MinAggregator(field){\r\n  this.field_ = field;\r\n\r\n  this.init = function(){\r\n    this.min_ = null;\r\n  };\r\n\r\n  this.accumulate = function(item){\r\n    let val = item[this.field_];\r\n    if (val != null && val !== '' && !isNaN(val)){\r\n      if (this.min_ == null || val < this.min_){\r\n        this.min_ = val;\r\n      }\r\n    }\r\n  };\r\n\r\n  this.storeResult = function(groupTotals){\r\n    if (!groupTotals.min){\r\n      groupTotals.min = {};\r\n    }\r\n    groupTotals.min[this.field_] = this.min_;\r\n  };\r\n}\r\n\r\nfunction MaxAggregator(field){\r\n  this.field_ = field;\r\n\r\n  this.init = function(){\r\n    this.max_ = null;\r\n  };\r\n\r\n  this.accumulate = function(item){\r\n    let val = item[this.field_];\r\n    if (val != null && val !== '' && !isNaN(val)){\r\n      if (this.max_ == null || val > this.max_){\r\n        this.max_ = val;\r\n      }\r\n    }\r\n  };\r\n\r\n  this.storeResult = function(groupTotals){\r\n    if (!groupTotals.max){\r\n      groupTotals.max = {};\r\n    }\r\n    groupTotals.max[this.field_] = this.max_;\r\n  };\r\n}\r\n\r\nfunction SumAggregator(field){\r\n  this.field_ = field;\r\n\r\n  this.init = function(){\r\n    this.sum_ = null;\r\n  };\r\n\r\n  this.accumulate = function(item){\r\n    let val = item[this.field_];\r\n    if (val != null && val !== '' && !isNaN(val)){\r\n      this.sum_ += parseFloat(val);\r\n    }\r\n  };\r\n\r\n  this.storeResult = function(groupTotals){\r\n    if (!groupTotals.sum){\r\n      groupTotals.sum = {};\r\n    }\r\n    groupTotals.sum[this.field_] = this.sum_;\r\n  };\r\n}\r\n\n\n\n// WEBPACK FOOTER //\n// ../src/slick.dataview.js","import Slick from './slick.core';\r\nimport flatpickr from 'flatpickr';\r\n//import 'flatpickr/dist/flatpickr.min.css';\r\nimport $ from 'jquery';\r\n\r\nconst { keyCode } = Slick;\r\n\r\n/** *\r\n * Contains basic SlickGrid editors.\r\n * @module Editors\r\n * @namespace Slick\r\n */\r\n\r\nconst Editors = {\r\n  Text: TextEditor,\r\n  Integer: IntegerEditor,\r\n  Float: FloatEditor,\r\n  Date: DateEditor,\r\n  YesNoSelect: YesNoSelectEditor,\r\n  Checkbox: CheckboxEditor,\r\n  LongText: LongTextEditor\r\n};\r\n\r\nSlick.Editors = Editors;\r\nexport default Editors;\r\n\r\nfunction TextEditor(args){\r\n  let $input;\r\n  let defaultValue;\r\n\r\n  this.init = function(){\r\n    $input = $(\"<INPUT type=text class='editor-text' />\")\r\n      .appendTo(args.container)\r\n      .bind('keydown.nav', function(e){\r\n        if (e.keyCode === keyCode.LEFT || e.keyCode === keyCode.RIGHT){\r\n          e.stopImmediatePropagation();\r\n        }\r\n      })\r\n      .focus()\r\n      .select();\r\n  };\r\n\r\n  this.destroy = function(){\r\n    $input.remove();\r\n  };\r\n\r\n  this.focus = function(){\r\n    $input.focus();\r\n  };\r\n\r\n  this.getValue = function(){\r\n    return $input.val();\r\n  };\r\n\r\n  this.setValue = function(val){\r\n    $input.val(val);\r\n  };\r\n\r\n  this.loadValue = function(item){\r\n    defaultValue = item[args.column.field] || '';\r\n    $input.val(defaultValue);\r\n    $input[0].defaultValue = defaultValue;\r\n    $input.select();\r\n  };\r\n\r\n  this.serializeValue = function(){\r\n    return $input.val();\r\n  };\r\n\r\n  this.applyValue = function(item, state){\r\n    item[args.column.field] = state;\r\n  };\r\n\r\n  this.isValueChanged = function(){\r\n    return (!($input.val() == '' && defaultValue == null)) && ($input.val() != defaultValue);\r\n  };\r\n\r\n  this.validate = function(){\r\n    let valid = true;\r\n    let msg = null;\r\n    if (args.column.validator){\r\n      let validationResults = args.column.validator($input.val(), args);\r\n      valid = validationResults.valid;\r\n      msg = validationResults.msg;\r\n    }\r\n\r\n    return {\r\n      valid: true,\r\n      msg: null\r\n    };\r\n  };\r\n\r\n  this.init();\r\n}\r\n\r\nfunction IntegerEditor(args){\r\n  let $input;\r\n  let defaultValue;\r\n\r\n  this.init = function(){\r\n    $input = $(\"<INPUT type=text class='editor-text' />\");\r\n\r\n    $input.bind('keydown.nav', function(e){\r\n      if (e.keyCode === keyCode.LEFT || e.keyCode === keyCode.RIGHT){\r\n        e.stopImmediatePropagation();\r\n      }\r\n    });\r\n\r\n    $input.appendTo(args.container);\r\n    $input.focus().select();\r\n  };\r\n\r\n  this.destroy = function(){\r\n    $input.remove();\r\n  };\r\n\r\n  this.focus = function(){\r\n    $input.focus();\r\n  };\r\n\r\n  this.loadValue = function(item){\r\n    defaultValue = item[args.column.field];\r\n    $input.val(defaultValue);\r\n    $input[0].defaultValue = defaultValue;\r\n    $input.select();\r\n  };\r\n\r\n  this.serializeValue = function(){\r\n    return parseInt($input.val(), 10) || 0;\r\n  };\r\n\r\n  this.applyValue = function(item, state){\r\n    item[args.column.field] = state;\r\n  };\r\n\r\n  this.isValueChanged = function(){\r\n    return (!($input.val() == '' && defaultValue == null)) && ($input.val() != defaultValue);\r\n  };\r\n\r\n  this.validate = function(){\r\n    if (isNaN($input.val())){\r\n      return {\r\n        valid: false,\r\n        msg: 'Please enter a valid integer'\r\n      };\r\n    }\r\n\r\n    if (args.column.validator){\r\n      let validationResults = args.column.validator($input.val());\r\n      if (!validationResults.valid){\r\n        return validationResults;\r\n      }\r\n    }\r\n\r\n    return {\r\n      valid: true,\r\n      msg: null\r\n    };\r\n  };\r\n\r\n  this.init();\r\n}\r\n\r\nfunction FloatEditor(args){\r\n  let $input;\r\n  let defaultValue;\r\n  let scope = this;\r\n\r\n  this.init = function(){\r\n    $input = $(\"<INPUT type=text class='editor-text' />\");\r\n\r\n    $input.bind('keydown.nav', function(e){\r\n      if (e.keyCode === keyCode.LEFT || e.keyCode === keyCode.RIGHT){\r\n        e.stopImmediatePropagation();\r\n      }\r\n    });\r\n\r\n    $input.appendTo(args.container);\r\n    $input.focus().select();\r\n  };\r\n\r\n  this.destroy = function(){\r\n    $input.remove();\r\n  };\r\n\r\n  this.focus = function(){\r\n    $input.focus();\r\n  };\r\n\r\n  function getDecimalPlaces(){\r\n    // returns the number of fixed decimal places or null\r\n    let rtn = args.column.editorFixedDecimalPlaces;\r\n    if (typeof rtn == 'undefined'){\r\n      rtn = FloatEditor.DefaultDecimalPlaces;\r\n    }\r\n    return (!rtn && rtn !== 0 ? null : rtn);\r\n  }\r\n\r\n  this.loadValue = function(item){\r\n    defaultValue = item[args.column.field];\r\n\r\n    let decPlaces = getDecimalPlaces();\r\n    if (decPlaces !== null\r\n      && (defaultValue || defaultValue === 0)\r\n      && defaultValue.toFixed){\r\n      defaultValue = defaultValue.toFixed(decPlaces);\r\n    }\r\n\r\n    $input.val(defaultValue);\r\n    $input[0].defaultValue = defaultValue;\r\n    $input.select();\r\n  };\r\n\r\n  this.serializeValue = function(){\r\n    let rtn = parseFloat($input.val()) || 0;\r\n\r\n    let decPlaces = getDecimalPlaces();\r\n    if (decPlaces !== null\r\n      && (rtn || rtn === 0)\r\n      && rtn.toFixed){\r\n      rtn = parseFloat(rtn.toFixed(decPlaces));\r\n    }\r\n\r\n    return rtn;\r\n  };\r\n\r\n  this.applyValue = function(item, state){\r\n    item[args.column.field] = state;\r\n  };\r\n\r\n  this.isValueChanged = function(){\r\n    return (!($input.val() == '' && defaultValue == null)) && ($input.val() != defaultValue);\r\n  };\r\n\r\n  this.validate = function(){\r\n    if (isNaN($input.val())){\r\n      return {\r\n        valid: false,\r\n        msg: 'Please enter a valid number'\r\n      };\r\n    }\r\n\r\n    if (args.column.validator){\r\n      let validationResults = args.column.validator($input.val(), args);\r\n      if (!validationResults.valid){\r\n        return validationResults;\r\n      }\r\n    }\r\n\r\n    return {\r\n      valid: true,\r\n      msg: null\r\n    };\r\n  };\r\n\r\n  this.init();\r\n}\r\n\r\nFloatEditor.DefaultDecimalPlaces = null;\r\n\r\n/**\r\n * see https://chmln.github.io/flatpickr/#options - pass as column.options.date = {}\r\n * @param args\r\n * @constructor\r\n */\r\nfunction DateEditor(args){\r\n  let $input,\r\n    flatInstance,\r\n    defaultDate,\r\n    options = args.column.options && args.column.options.date ? args.column.options.date : {};\r\n\r\n  this.init = function(){\r\n    defaultDate = options.defaultDate = args.item[args.column.field];\r\n\r\n    $input = $('<input type=text data-default-date=\"'+defaultDate+'\" class=\"editor-text\" />');\r\n    $input.appendTo(args.container);\r\n    $input.focus().val(defaultDate).select();\r\n    flatInstance = flatpickr($input[0], options);\r\n  };\r\n\r\n  this.destroy = function(){\r\n    flatInstance.destroy();\r\n    $input.remove();\r\n  };\r\n\r\n  this.show = function(){\r\n    flatInstance.open();\r\n    flatInstance.positionCalendar();\r\n  };\r\n\r\n  this.hide = function(){\r\n    flatInstance.close();\r\n  };\r\n\r\n  this.position = function(position){\r\n    //todo: fix how scrolling is affected\r\n    flatInstance.positionCalendar();\r\n  };\r\n\r\n  this.focus = function(){\r\n    $input.focus();\r\n  };\r\n\r\n  this.loadValue = function(item){\r\n    defaultDate = item[args.column.field];\r\n    $input.val(defaultDate);\r\n    $input.select();\r\n  };\r\n\r\n  this.serializeValue = function(){\r\n    return $input.val();\r\n  };\r\n\r\n  this.applyValue = function(item, state){\r\n    item[args.column.field] = state;\r\n  };\r\n\r\n  this.isValueChanged = function(){\r\n    return (!($input.val() == '' && defaultDate == null)) && ($input.val() != defaultDate);\r\n  };\r\n\r\n  this.validate = function(){\r\n    if (args.column.validator){\r\n      let validationResults = args.column.validator($input.val(), args);\r\n      if (!validationResults.valid){\r\n        return validationResults;\r\n      }\r\n    }\r\n\r\n    return {\r\n      valid: true,\r\n      msg: null\r\n    };\r\n  };\r\n\r\n  this.init();\r\n}\r\n\r\nfunction YesNoSelectEditor(args){\r\n  let $select;\r\n  let defaultValue;\r\n  let scope = this;\r\n\r\n  this.init = function(){\r\n    $select = $(\"<select tabIndex='0' class='editor-yesno'><option value='yes'>Yes</option><option value='no'>No</option></select>\");\r\n    $select.appendTo(args.container);\r\n    $select.focus();\r\n  };\r\n\r\n  this.destroy = function(){\r\n    $select.remove();\r\n  };\r\n\r\n  this.focus = function(){\r\n    $select.focus();\r\n  };\r\n\r\n  this.loadValue = function(item){\r\n    $select.val((defaultValue = item[args.column.field]) ? 'yes' : 'no');\r\n    $select.select();\r\n  };\r\n\r\n  this.serializeValue = function(){\r\n    return ($select.val() == 'yes');\r\n  };\r\n\r\n  this.applyValue = function(item, state){\r\n    item[args.column.field] = state;\r\n  };\r\n\r\n  this.isValueChanged = function(){\r\n    return ($select.val() != defaultValue);\r\n  };\r\n\r\n  this.validate = function(){\r\n    let valid = true;\r\n    let msg = null;\r\n    if (args.column.validator){\r\n      let validationResults = args.column.validator($select.val(), args);\r\n      valid = validationResults.valid;\r\n      msg = validationResults.msg;\r\n    }\r\n\r\n    return {\r\n      valid: true,\r\n      msg: null\r\n    };\r\n  };\r\n\r\n  this.init();\r\n}\r\n\r\nfunction CheckboxEditor(args){\r\n  let $select;\r\n  let defaultValue;\r\n  let scope = this;\r\n\r\n  this.init = function(){\r\n    $select = $(\"<INPUT type=checkbox value='true' class='editor-checkbox' hideFocus>\");\r\n    $select.appendTo(args.container);\r\n    $select.focus();\r\n  };\r\n\r\n  this.destroy = function(){\r\n    $select.remove();\r\n  };\r\n\r\n  this.focus = function(){\r\n    $select.focus();\r\n  };\r\n\r\n  this.loadValue = function(item){\r\n    defaultValue = !!item[args.column.field];\r\n    if (defaultValue){\r\n      $select.prop('checked', true);\r\n    } else {\r\n      $select.prop('checked', false);\r\n    }\r\n  };\r\n\r\n  this.serializeValue = function(){\r\n    return $select.prop('checked');\r\n  };\r\n\r\n  this.applyValue = function(item, state){\r\n    item[args.column.field] = state;\r\n  };\r\n\r\n  this.isValueChanged = function(){\r\n    return (this.serializeValue() !== defaultValue);\r\n  };\r\n\r\n  this.validate = function(){\r\n    let valid = true;\r\n    let msg = null;\r\n    if (args.column.validator){\r\n      let validationResults = args.column.validator($select.val(), args);\r\n      valid = validationResults.valid;\r\n      msg = validationResults.msg;\r\n    }\r\n\r\n    return {\r\n      valid: true,\r\n      msg: null\r\n    };\r\n  };\r\n\r\n  this.init();\r\n}\r\n\r\nfunction PercentCompleteEditor(args){\r\n  console.error('PercentCompleteEditor is derecated');\r\n}\r\n\r\n/*\r\n * An example of a \"detached\" editor.\r\n * The UI is added onto document BODY and .position(), .show() and .hide() are implemented.\r\n * KeyDown events are also handled to provide handling for Tab, Shift-Tab, Esc and Ctrl-Enter.\r\n */\r\nfunction LongTextEditor(args){\r\n  let $input, $wrapper;\r\n  let defaultValue;\r\n  let scope = this;\r\n\r\n  this.init = function(){\r\n    let $container = $('body');\r\n\r\n    $wrapper = $(\"<div class='slick-large-editor-text' />\").appendTo($container);\r\n    $input = $(\"<textarea hidefocus rows=5 />\").appendTo($wrapper);\r\n\r\n    $(\"<div><button>Save</button> <button>Cancel</button></div>\").appendTo($wrapper);\r\n\r\n    $wrapper.find('button:first').bind('click', this.save);\r\n    $wrapper.find('button:last').bind('click', this.cancel);\r\n    $input.bind('keydown', this.handleKeyDown);\r\n\r\n    scope.position(args.position);\r\n    $input.focus().select();\r\n  };\r\n\r\n  this.handleKeyDown = function(e){\r\n    if (e.which == keyCode.ENTER && e.ctrlKey){\r\n      scope.save();\r\n    } else if (e.which == keyCode.ESCAPE){\r\n      e.preventDefault();\r\n      scope.cancel();\r\n    } else if (e.which == keyCode.TAB && e.shiftKey){\r\n      e.preventDefault();\r\n      args.grid.navigatePrev();\r\n    } else if (e.which == keyCode.TAB){\r\n      e.preventDefault();\r\n      args.grid.navigateNext();\r\n    }\r\n  };\r\n\r\n  this.save = function(){\r\n    args.commitChanges();\r\n  };\r\n\r\n  this.cancel = function(){\r\n    $input.val(defaultValue);\r\n    args.cancelChanges();\r\n  };\r\n\r\n  this.hide = function(){\r\n    $wrapper.hide();\r\n  };\r\n\r\n  this.show = function(){\r\n    $wrapper.show();\r\n  };\r\n\r\n  this.position = function(position){\r\n    $wrapper\r\n      .css('top', position.top - 5)\r\n      .css('left', position.left - 5);\r\n  };\r\n\r\n  this.destroy = function(){\r\n    $wrapper.remove();\r\n  };\r\n\r\n  this.focus = function(){\r\n    $input.focus();\r\n  };\r\n\r\n  this.loadValue = function(item){\r\n    $input.val(defaultValue = item[args.column.field]);\r\n    $input.select();\r\n  };\r\n\r\n  this.serializeValue = function(){\r\n    return $input.val();\r\n  };\r\n\r\n  this.applyValue = function(item, state){\r\n    item[args.column.field] = state;\r\n  };\r\n\r\n  this.isValueChanged = function(){\r\n    return (!($input.val() == '' && defaultValue == null)) && ($input.val() != defaultValue);\r\n  };\r\n\r\n  this.validate = function(){\r\n    let valid = true;\r\n    let msg = null;\r\n    if (args.column.validator){\r\n      let validationResults = args.column.validator($select.val(), args);\r\n      valid = validationResults.valid;\r\n      msg = validationResults.msg;\r\n    }\r\n\r\n    return {\r\n      valid: true,\r\n      msg: null\r\n    };\r\n  };\r\n\r\n  this.init();\r\n}\r\n\n\n\n// WEBPACK FOOTER //\n// ../src/slick.editors.js","function PercentCompleteFormatter(row, cell, value, columnDef, dataContext){\r\n  if (value == null || value === ''){\r\n    return '-';\r\n  } else if (value < 50){\r\n    return `<span style='color:red;font-weight:bold;'>${value}%</span>`;\r\n  } else {\r\n    return `<span style='color:green'>${value}%</span>`;\r\n  }\r\n}\r\n\r\nfunction PercentCompleteBarFormatter(row, cell, value, columnDef, dataContext){\r\n  if (value == null || value === ''){\r\n    return '';\r\n  }\r\n\r\n  let color;\r\n\r\n  if (value < 30){\r\n    color = 'red';\r\n  } else if (value < 70){\r\n    color = 'silver';\r\n  } else {\r\n    color = 'green';\r\n  }\r\n\r\n  return \"<span class='percent-complete-bar' style='background:\" + color + ';width:' + value + \"%'></span>\";\r\n}\r\n\r\nfunction YesNoFormatter(row, cell, value, columnDef, dataContext){\r\n  return value ? 'Yes' : 'No';\r\n}\r\n\r\nfunction CheckmarkFormatter(row, cell, value, columnDef, dataContext){\r\n  return value ? '✔' : '';\r\n}\r\n\r\nexport default {\r\n  PercentComplete: PercentCompleteFormatter,\r\n  PercentCompleteBar: PercentCompleteBarFormatter,\r\n  YesNo: YesNoFormatter,\r\n  Checkmark: CheckmarkFormatter\r\n};\r\n\n\n\n// WEBPACK FOOTER //\n// ../src/slick.formatters.js","/**\r\n * @license\r\n * (c) 2009-2013 Michael Leibman\r\n * michael{dot}leibman{at}gmail{dot}com\r\n * http://github.com/mleibman/slickgrid\r\n *\r\n * Distributed under MIT license.\r\n * All rights reserved.\r\n *\r\n * SlickGrid v2.2\r\n *\r\n * NOTES:\r\n *     Cell/row DOM manipulations are done directly bypassing jQuery's DOM manipulation methods.\r\n *     This increases the speed dramatically, but can only be done safely because there are no event handlers\r\n *     or data associated with any cell/row DOM nodes.  Cell editors must make sure they implement .destroy()\r\n *     and do proper cleanup.\r\n */\r\n\r\nimport $ from 'jquery';\r\nimport interact from './interact.js';\r\n\r\nimport Slick from './slick.core';\r\n\r\n// Slick.Grid globals pretense\r\nSlick.Grid = SlickGrid;\r\n\r\nexport default SlickGrid;\r\n\r\n// shared across all grids on the page\r\nvar scrollbarDimensions;\r\nvar maxSupportedCssHeight;  // browser's breaking point\r\n\r\n// ////////////////////////////////////////////////////////////////////////////////////////////\r\n// SlickGrid class implementation (available as Slick.Grid)\r\n\r\n/**\r\n * Creates a new instance of the grid.\r\n * @class SlickGrid\r\n * @constructor\r\n * @param {Node}              container   Container node to create the grid in.\r\n * @param {Array,Object}      data        An array of objects for databinding.\r\n * @param {Array}             columns     An array of column definitions.\r\n * @param {Object}            options     Grid options.\r\n **/\r\nfunction SlickGrid(container, data, columns, options){\r\n  // settings\r\n  var defaults = {\r\n    explicitInitialization: false,\r\n    rowHeight: 25,\r\n    defaultColumnWidth: 80,\r\n    enableAddRow: false,\r\n    leaveSpaceForNewRows: false,\r\n    editable: false,\r\n    autoEdit: true,\r\n    enableCellNavigation: true,\r\n    enableColumnReorder: true,\r\n    asyncEditorLoading: false,\r\n    asyncEditorLoadDelay: 100,\r\n    forceFitColumns: false,\r\n    enableAsyncPostRender: false,\r\n    asyncPostRenderDelay: 50,\r\n    enableAsyncPostRenderCleanup: false,\r\n    asyncPostRenderCleanupDelay: 40,\r\n    autoHeight: false,\r\n    editorLock: Slick.GlobalEditorLock,\r\n    showHeaderRow: false,\r\n    headerRowHeight: 25,\r\n    createFooterRow: false,\r\n    showFooterRow: false,\r\n    footerRowHeight: 25,\r\n    showTopPanel: false,\r\n    topPanelHeight: 25,\r\n    formatterFactory: null,\r\n    editorFactory: null,\r\n    cellFlashingCssClass: 'flashing',\r\n    selectedCellCssClass: 'selected',\r\n    multiSelect: true,\r\n    enableTextSelectionOnCells: false,\r\n    dataItemColumnValueExtractor: null,\r\n    fullWidthRows: false,\r\n    multiColumnSort: false,\r\n    defaultFormatter: defaultFormatter,\r\n    forceSyncScrolling: false,\r\n    addNewRowCssClass: 'new-row'\r\n  };\r\n\r\n  var columnDefaults = {\r\n    name: '',\r\n    resizable: true,\r\n    sortable: false,\r\n    minWidth: 30,\r\n    rerenderOnResize: false,\r\n    headerCssClass: null,\r\n    defaultSortAsc: true,\r\n    focusable: true,\r\n    selectable: true\r\n  };\r\n\r\n  // scroller\r\n  var th;   // virtual height\r\n  var h;    // real scrollable height\r\n  var ph;   // page height\r\n  var n;    // number of pages\r\n  var cj;   // \"jumpiness\" coefficient\r\n\r\n  var page = 0;       // current page\r\n  var offset = 0;     // current page offset\r\n  var vScrollDir = 1;\r\n\r\n  // private\r\n  var initialized = false;\r\n  var $container;\r\n  var uid = 'slickgrid_' + Math.round(1000000 * Math.random());\r\n  var self = this;\r\n  var $focusSink, $focusSink2;\r\n  var $headerScroller;\r\n  var $headers;\r\n  var $headerRow, $headerRowScroller, $headerRowSpacer;\r\n  var $footerRow, $footerRowScroller, $footerRowSpacer;\r\n  var $topPanelScroller;\r\n  var $topPanel;\r\n  var $viewport;\r\n  var $canvas;\r\n  var $style;\r\n  var $boundAncestors;\r\n  var stylesheet, columnCssRulesL, columnCssRulesR;\r\n  var viewportH, viewportW;\r\n  var canvasWidth;\r\n  var viewportHasHScroll, viewportHasVScroll;\r\n  var headerColumnWidthDiff = 0, headerColumnHeightDiff = 0, // border+padding\r\n    cellWidthDiff = 0, cellHeightDiff = 0, jQueryNewWidthBehaviour = false;\r\n  var absoluteColumnMinWidth;\r\n\r\n  var tabbingDirection = 1;\r\n  var activePosX;\r\n  var activeRow, activeCell;\r\n  var activeCellNode = null;\r\n  var currentEditor = null;\r\n  var serializedEditorValue;\r\n  var editController;\r\n\r\n  var rowsCache = {};\r\n  var renderedRows = 0;\r\n  var numVisibleRows;\r\n  var prevScrollTop = 0;\r\n  var scrollTop = 0;\r\n  var lastRenderedScrollTop = 0;\r\n  var lastRenderedScrollLeft = 0;\r\n  var prevScrollLeft = 0;\r\n  var scrollLeft = 0;\r\n\r\n  var selectionModel;\r\n  var selectedRows = [];\r\n\r\n  var plugins = [];\r\n  var cellCssClasses = {};\r\n\r\n  var columnsById = {};\r\n  var sortColumns = [];\r\n  var columnPosLeft = [];\r\n  var columnPosRight = [];\r\n\r\n  // async call handles\r\n  var h_editorLoader = null;\r\n  var h_render = null;\r\n  var h_postrender = null;\r\n  var h_postrenderCleanup = null;\r\n  var postProcessedRows = {};\r\n  var postProcessToRow = null;\r\n  var postProcessFromRow = null;\r\n  var postProcessedCleanupQueue = [];\r\n  var postProcessgroupId = 0;\r\n\r\n  // perf counters\r\n  var counter_rows_rendered = 0;\r\n  var counter_rows_removed = 0;\r\n\r\n  // These two variables work around a bug with inertial scrolling in Webkit/Blink on Mac.\r\n  // See http://crbug.com/312427.\r\n  var rowNodeFromLastMouseWheelEvent;  // this node must not be deleted while inertial scrolling\r\n  var zombieRowNodeFromLastMouseWheelEvent;  // node that was hidden instead of getting deleted\r\n  var zombieRowCacheFromLastMouseWheelEvent;  // row cache for above node\r\n  var zombieRowPostProcessedFromLastMouseWheelEvent;  // post processing references for above node\r\n\r\n  // store css attributes if display:none is active in container or parent\r\n  var cssShow = {position: 'absolute', visibility: 'hidden', display: 'block'};\r\n  var $hiddenParents;\r\n  var oldProps = [];\r\n\r\n  // ////////////////////////////////////////////////////////////////////////////////////////////\r\n  // Initialization\r\n\r\n  function init(){\r\n    $container = $(container);\r\n    if ($container.length < 1){\r\n      throw new Error('SlickGrid requires a valid container, ' + container + ' does not exist in the DOM.');\r\n    }\r\n\r\n    cacheCssForHiddenInit();\r\n\r\n    // calculate these only once and share between grid instances\r\n    maxSupportedCssHeight = maxSupportedCssHeight || getMaxSupportedCssHeight();\r\n    scrollbarDimensions = scrollbarDimensions || measureScrollbar();\r\n\r\n    options = $.extend({}, defaults, options);\r\n    validateAndEnforceOptions();\r\n    columnDefaults.width = options.defaultColumnWidth;\r\n\r\n    columnsById = {};\r\n    for (var i = 0; i < columns.length; i++){\r\n      var m = columns[i] = $.extend({}, columnDefaults, columns[i]);\r\n      columnsById[m.id] = i;\r\n      if (m.minWidth && m.width < m.minWidth){\r\n        m.width = m.minWidth;\r\n      }\r\n      if (m.maxWidth && m.width > m.maxWidth){\r\n        m.width = m.maxWidth;\r\n      }\r\n    }\r\n\r\n    editController = {\r\n      'commitCurrentEdit': commitCurrentEdit,\r\n      'cancelCurrentEdit': cancelCurrentEdit\r\n    };\r\n\r\n    $container\r\n      .empty()\r\n      .css('overflow', 'hidden')\r\n      .css('outline', 0)\r\n      .addClass(uid)\r\n      .addClass('ui-widget');\r\n\r\n    // set up a positioning container if needed\r\n    if (!/relative|absolute|fixed/.test($container.css('position'))){\r\n      $container.css('position', 'relative');\r\n    }\r\n\r\n    $focusSink = $(\"<div tabIndex='0' hideFocus style='position:fixed;width:0;height:0;top:0;left:0;outline:0;'></div>\").appendTo($container);\r\n\r\n    $headerScroller = $(\"<div class='slick-header ui-state-default' style='overflow:hidden;position:relative;' />\").appendTo($container);\r\n    $headers = $(\"<div class='slick-header-columns' />\").appendTo($headerScroller);\r\n    $headers.width(getHeadersWidth());\r\n\r\n    $headerRowScroller = $(\"<div class='slick-headerrow ui-state-default' style='overflow:hidden;position:relative;' />\").appendTo($container);\r\n    $headerRow = $(\"<div class='slick-headerrow-columns' />\").appendTo($headerRowScroller);\r\n    $headerRowSpacer = $(\"<div style='display:block;height:1px;position:absolute;top:0;left:0;'></div>\")\r\n      .css('width', getCanvasWidth() + scrollbarDimensions.width + 'px')\r\n      .appendTo($headerRowScroller);\r\n\r\n    $topPanelScroller = $(\"<div class='slick-top-panel-scroller ui-state-default' style='overflow:hidden;position:relative;' />\").appendTo($container);\r\n    $topPanel = $(\"<div class='slick-top-panel' style='width:10000px' />\").appendTo($topPanelScroller);\r\n\r\n    if (!options.showTopPanel){\r\n      $topPanelScroller.hide();\r\n    }\r\n\r\n    if (!options.showHeaderRow){\r\n      $headerRowScroller.hide();\r\n    }\r\n\r\n    $viewport = $(\"<div class='slick-viewport' style='width:100%;overflow:auto;outline:0;position:relative;;'>\").appendTo($container);\r\n    $viewport.css('overflow-y', options.autoHeight ? 'hidden' : 'auto');\r\n\r\n    $canvas = $(\"<div class='grid-canvas' />\").appendTo($viewport);\r\n\r\n    if (options.createFooterRow){\r\n      $footerRowScroller = $(\"<div class='slick-footerrow ui-state-default' style='overflow:hidden;position:relative;' />\").appendTo($container);\r\n      $footerRow = $(\"<div class='slick-footerrow-columns' />\").appendTo($footerRowScroller);\r\n      $footerRowSpacer = $(\"<div style='display:block;height:1px;position:absolute;top:0;left:0;'></div>\")\r\n        .css('width', getCanvasWidth() + scrollbarDimensions.width + 'px')\r\n        .appendTo($footerRowScroller);\r\n\r\n      if (!options.showFooterRow){\r\n        $footerRowScroller.hide();\r\n      }\r\n    }\r\n\r\n    $focusSink2 = $focusSink.clone().appendTo($container);\r\n\r\n    if (!options.explicitInitialization){\r\n      finishInitialization();\r\n    }\r\n  }\r\n\r\n  function finishInitialization(){\r\n    if (!initialized){\r\n      initialized = true;\r\n\r\n      viewportW = parseFloat($.css($container[0], 'width', true));\r\n\r\n      // header columns and cells may have different padding/border skewing width calculations (box-sizing, hello?)\r\n      // calculate the diff so we can set consistent sizes\r\n      measureCellPaddingAndBorder();\r\n\r\n      // for usability reasons, all text selection in SlickGrid is disabled\r\n      // with the exception of input and textarea elements (selection must\r\n      // be enabled there so that editors work as expected); note that\r\n      // selection in grid cells (grid body) is already unavailable in\r\n      // all browsers except IE\r\n      disableSelection($headers); // disable all text selection in header (including input and textarea)\r\n\r\n      if (!options.enableTextSelectionOnCells){\r\n        // disable text selection in grid cells except in input and textarea elements\r\n        // (this is IE-specific, because selectstart event will only fire in IE)\r\n        $viewport.bind('selectstart.ui', function(event){\r\n          return $(event.target).is('input,textarea');\r\n        });\r\n      }\r\n\r\n      updateColumnCaches();\r\n      createColumnHeaders();\r\n      setupColumnSort();\r\n      createCssRules();\r\n      resizeCanvas();\r\n      bindAncestorScrollEvents();\r\n\r\n      $container\r\n        .bind('resize.slickgrid', resizeCanvas);\r\n      $viewport\r\n      // .bind(\"click\", handleClick)\r\n        .bind('scroll', handleScroll);\r\n      $headerScroller\r\n        .bind('contextmenu', handleHeaderContextMenu)\r\n        .bind('click', handleHeaderClick)\r\n        .delegate('.slick-header-column', 'mouseenter', handleHeaderMouseEnter)\r\n        .delegate('.slick-header-column', 'mouseleave', handleHeaderMouseLeave);\r\n      $headerRowScroller\r\n        .bind('scroll', handleHeaderRowScroll);\r\n\r\n      if (options.createFooterRow){\r\n        $footerRowScroller\r\n          .bind('scroll', handleFooterRowScroll);\r\n      }\r\n\r\n      $focusSink.add($focusSink2)\r\n        .bind('keydown', handleKeyDown);\r\n      $canvas\r\n        .bind('keydown', handleKeyDown)\r\n        .bind('click', handleClick)\r\n        .bind('dblclick', handleDblClick)\r\n        .bind('contextmenu', handleContextMenu)\r\n        .delegate('.slick-cell', 'mouseenter', handleMouseEnter)\r\n        .delegate('.slick-cell', 'mouseleave', handleMouseLeave);\r\n\r\n      // legacy support for drag events\r\n      interact($canvas[0]).allowFrom('div.slick-cell').draggable({\r\n        onmove: handleDrag,\r\n        onstart: handleDragStart,\r\n        onend: handleDragEnd\r\n      }).styleCursor(false);\r\n\r\n      // Work around http://crbug.com/312427.\r\n      if (navigator.userAgent.toLowerCase().match(/webkit/) &&\r\n        navigator.userAgent.toLowerCase().match(/macintosh/)){\r\n        $canvas.bind('mousewheel', handleMouseWheel);\r\n      }\r\n      restoreCssFromHiddenInit();\r\n    }\r\n  }\r\n\r\n  function cacheCssForHiddenInit(){\r\n    // handle display:none on container or container parents\r\n    $hiddenParents = $container.parents().addBack().not(':visible');\r\n    $hiddenParents.each(function(){\r\n      var old = {};\r\n      for (var name in cssShow){\r\n        old[name] = this.style[name];\r\n        this.style[name] = cssShow[name];\r\n      }\r\n      oldProps.push(old);\r\n    });\r\n  }\r\n\r\n  function restoreCssFromHiddenInit(){\r\n    // finish handle display:none on container or container parents\r\n    // - put values back the way they were\r\n    $hiddenParents.each(function(i){\r\n      var old = oldProps[i];\r\n      for (var name in cssShow){\r\n        this.style[name] = old[name];\r\n      }\r\n    });\r\n  }\r\n\r\n  function registerPlugin(plugin){\r\n    plugins.unshift(plugin);\r\n    plugin.init(self);\r\n  }\r\n\r\n  function unregisterPlugin(plugin){\r\n    for (var i = plugins.length; i >= 0; i--){\r\n      if (plugins[i] === plugin){\r\n        if (plugins[i].destroy){\r\n          plugins[i].destroy();\r\n        }\r\n        plugins.splice(i, 1);\r\n        break;\r\n      }\r\n    }\r\n  }\r\n\r\n  function setSelectionModel(model){\r\n    if (selectionModel){\r\n      selectionModel.onSelectedRangesChanged.unsubscribe(handleSelectedRangesChanged);\r\n      if (selectionModel.destroy){\r\n        selectionModel.destroy();\r\n      }\r\n    }\r\n\r\n    selectionModel = model;\r\n    if (selectionModel){\r\n      selectionModel.init(self);\r\n      selectionModel.onSelectedRangesChanged.subscribe(handleSelectedRangesChanged);\r\n    }\r\n  }\r\n\r\n  function getSelectionModel(){\r\n    return selectionModel;\r\n  }\r\n\r\n  function getCanvasNode(){\r\n    return $canvas[0];\r\n  }\r\n\r\n  function measureScrollbar(){\r\n    var $c = $(\"<div style='position:absolute; top:-10000px; left:-10000px; width:100px; height:100px; overflow:scroll;'></div>\").appendTo('body');\r\n    var dim = {\r\n      width: $c.width() - $c[0].clientWidth,\r\n      height: $c.height() - $c[0].clientHeight\r\n    };\r\n    $c.remove();\r\n    return dim;\r\n  }\r\n\r\n  function getHeadersWidth(){\r\n    var headersWidth = 0;\r\n    for (var i = 0, ii = columns.length; i < ii; i++){\r\n      var width = columns[i].width;\r\n      headersWidth += width;\r\n    }\r\n    headersWidth += scrollbarDimensions.width;\r\n    return Math.max(headersWidth, viewportW) + 1000;\r\n  }\r\n\r\n  function getCanvasWidth(){\r\n    var availableWidth = viewportHasVScroll ? viewportW - scrollbarDimensions.width : viewportW;\r\n    var rowWidth = 0;\r\n    var i = columns.length;\r\n    while (i--){\r\n      rowWidth += columns[i].width;\r\n    }\r\n    return options.fullWidthRows ? Math.max(rowWidth, availableWidth) : rowWidth;\r\n  }\r\n\r\n  function updateCanvasWidth(forceColumnWidthsUpdate){\r\n    var oldCanvasWidth = canvasWidth;\r\n    canvasWidth = getCanvasWidth();\r\n\r\n    if (canvasWidth != oldCanvasWidth){\r\n      $canvas.width(canvasWidth);\r\n      $headerRow.width(canvasWidth);\r\n      if (options.createFooterRow){\r\n        $footerRow.width(canvasWidth);\r\n      }\r\n      $headers.width(getHeadersWidth());\r\n      viewportHasHScroll = (canvasWidth > viewportW - scrollbarDimensions.width);\r\n    }\r\n\r\n    var w = canvasWidth + (viewportHasVScroll ? scrollbarDimensions.width : 0);\r\n    $headerRowSpacer.width(w);\r\n    if (options.createFooterRow){\r\n      $footerRowSpacer.width(w);\r\n    }\r\n\r\n    if (canvasWidth != oldCanvasWidth || forceColumnWidthsUpdate){\r\n      applyColumnWidths();\r\n    }\r\n  }\r\n\r\n  function disableSelection($target){\r\n    if ($target && $target.jquery){\r\n      $target\r\n        .attr('unselectable', 'on')\r\n        .css('MozUserSelect', 'none')\r\n        .bind('selectstart.ui', function(){\r\n          return false;\r\n        }); // from jquery:ui.core.js 1.7.2\r\n    }\r\n  }\r\n\r\n  function getMaxSupportedCssHeight(){\r\n    var supportedHeight = 1000000;\r\n    // FF reports the height back but still renders blank after ~6M px\r\n    var testUpTo = navigator.userAgent.toLowerCase().match(/firefox/) ? 6000000 : 1000000000;\r\n    var div = $(\"<div style='display:none' />\").appendTo(document.body);\r\n\r\n    while (true){\r\n      var test = supportedHeight * 2;\r\n      div.css('height', test);\r\n      if (test > testUpTo || div.height() !== test){\r\n        break;\r\n      } else {\r\n        supportedHeight = test;\r\n      }\r\n    }\r\n\r\n    div.remove();\r\n    return supportedHeight;\r\n  }\r\n\r\n  // TODO:  this is static.  need to handle page mutation.\r\n  function bindAncestorScrollEvents(){\r\n    var elem = $canvas[0];\r\n    while ((elem = elem.parentNode) != document.body && elem != null){\r\n      // bind to scroll containers only\r\n      if (elem == $viewport[0] || elem.scrollWidth != elem.clientWidth || elem.scrollHeight != elem.clientHeight){\r\n        var $elem = $(elem);\r\n        if (!$boundAncestors){\r\n          $boundAncestors = $elem;\r\n        } else {\r\n          $boundAncestors = $boundAncestors.add($elem);\r\n        }\r\n        $elem.bind('scroll.' + uid, handleActiveCellPositionChange);\r\n      }\r\n    }\r\n  }\r\n\r\n  function unbindAncestorScrollEvents(){\r\n    if (!$boundAncestors){\r\n      return;\r\n    }\r\n    $boundAncestors.unbind('scroll.' + uid);\r\n    $boundAncestors = null;\r\n  }\r\n\r\n  function updateColumnHeader(columnId, title, toolTip){\r\n    if (!initialized){\r\n      return;\r\n    }\r\n    var idx = getColumnIndex(columnId);\r\n    if (idx == null){\r\n      return;\r\n    }\r\n\r\n    var columnDef = columns[idx];\r\n    var $header = $headers.children().eq(idx);\r\n    if ($header){\r\n      if (title !== undefined){\r\n        columns[idx].name = title;\r\n      }\r\n      if (toolTip !== undefined){\r\n        columns[idx].toolTip = toolTip;\r\n      }\r\n\r\n      trigger(self.onBeforeHeaderCellDestroy, {\r\n        'node': $header[0],\r\n        'column': columnDef,\r\n        'grid': self\r\n      });\r\n\r\n      $header\r\n        .attr('title', toolTip || '')\r\n        .children().eq(0).html(title);\r\n\r\n      trigger(self.onHeaderCellRendered, {\r\n        'node': $header[0],\r\n        'column': columnDef,\r\n        'grid': self\r\n      });\r\n    }\r\n  }\r\n\r\n  function getHeaderRow(){\r\n    return $headerRow[0];\r\n  }\r\n\r\n  function getFooterRow(){\r\n    return $footerRow[0];\r\n  }\r\n\r\n  function getHeaderRowColumn(columnId){\r\n    var idx = getColumnIndex(columnId);\r\n    var $header = $headerRow.children().eq(idx);\r\n    return $header && $header[0];\r\n  }\r\n\r\n  function getFooterRowColumn(columnId){\r\n    var idx = getColumnIndex(columnId);\r\n    var $footer = $footerRow.children().eq(idx);\r\n    return $footer && $footer[0];\r\n  }\r\n\r\n  function createColumnHeaders(){\r\n    function onMouseEnter(){\r\n      $(this).addClass('ui-state-hover');\r\n    }\r\n\r\n    function onMouseLeave(){\r\n      $(this).removeClass('ui-state-hover');\r\n    }\r\n\r\n    $headers.find('.slick-header-column')\r\n      .each(function(){\r\n        var columnDef = $(this).data('column');\r\n        if (columnDef){\r\n          trigger(self.onBeforeHeaderCellDestroy, {\r\n            'node': this,\r\n            'column': columnDef,\r\n            'grid': self\r\n          });\r\n        }\r\n      });\r\n    $headers.empty();\r\n    $headers.width(getHeadersWidth());\r\n\r\n    $headerRow.find('.slick-headerrow-column')\r\n      .each(function(){\r\n        var columnDef = $(this).data('column');\r\n        if (columnDef){\r\n          trigger(self.onBeforeHeaderRowCellDestroy, {\r\n            'node': this,\r\n            'column': columnDef,\r\n            'grid': self\r\n          });\r\n        }\r\n      });\r\n    $headerRow.empty();\r\n\r\n    if (options.createFooterRow){\r\n      $footerRow.find('.slick-footerrow-column')\r\n        .each(function(){\r\n          var columnDef = $(this).data('column');\r\n          if (columnDef){\r\n            trigger(self.onBeforeFooterRowCellDestroy, {\r\n              'node': this,\r\n              'column': columnDef\r\n            });\r\n          }\r\n        });\r\n      $footerRow.empty();\r\n    }\r\n\r\n    for (var i = 0; i < columns.length; i++){\r\n      var m = columns[i];\r\n\r\n      var header = $(\"<div class='ui-state-default slick-header-column' />\")\r\n        .html(\"<span class='slick-column-name'>\" + m.name + '</span>')\r\n        .width(m.width - headerColumnWidthDiff)\r\n        .attr('id', '' + uid + m.id)\r\n        .attr('title', m.toolTip || '')\r\n        .data('column', m)\r\n        .addClass(m.headerCssClass || '')\r\n        .appendTo($headers);\r\n\r\n      if (options.enableColumnReorder || m.sortable){\r\n        header\r\n          .on('mouseenter', onMouseEnter)\r\n          .on('mouseleave', onMouseLeave);\r\n      }\r\n\r\n      if (m.sortable){\r\n        header.addClass('slick-header-sortable');\r\n        header.append(\"<span class='slick-sort-indicator' />\");\r\n      }\r\n\r\n      trigger(self.onHeaderCellRendered, {\r\n        'node': header[0],\r\n        'column': m,\r\n        'grid': self\r\n      });\r\n\r\n      if (options.showHeaderRow){\r\n        var headerRowCell = $(\"<div class='ui-state-default slick-headerrow-column l\" + i + ' r' + i + \"'></div>\")\r\n          .data('column', m)\r\n          .appendTo($headerRow);\r\n\r\n        trigger(self.onHeaderRowCellRendered, {\r\n          'node': headerRowCell[0],\r\n          'column': m,\r\n          'grid': self\r\n        });\r\n      }\r\n      if (options.createFooterRow && options.showFooterRow){\r\n        var footerRowCell = $(\"<div class='ui-state-default slick-footerrow-column l\" + i + ' r' + i + \"'></div>\")\r\n          .data('column', m)\r\n          .appendTo($footerRow);\r\n\r\n        trigger(self.onFooterRowCellRendered, {\r\n          'node': footerRowCell[0],\r\n          'column': m\r\n        });\r\n      }\r\n    }\r\n\r\n    setSortColumns(sortColumns);\r\n    setupColumnResize();\r\n    if (options.enableColumnReorder){\r\n      setupColumnReorder();\r\n    }\r\n  }\r\n\r\n  function setupColumnSort(){\r\n    $headers.click(function(e){\r\n      // temporary workaround for a bug in jQuery 1.7.1 (http://bugs.jquery.com/ticket/11328)\r\n      e.metaKey = e.metaKey || e.ctrlKey;\r\n\r\n      if ($(e.target).hasClass('slick-resizable-handle')){\r\n        return;\r\n      }\r\n\r\n      var $col = $(e.target).closest('.slick-header-column');\r\n      if (!$col.length){\r\n        return;\r\n      }\r\n\r\n      var column = $col.data('column');\r\n      if (column.sortable){\r\n        if (!getEditorLock().commitCurrentEdit()){\r\n          return;\r\n        }\r\n\r\n        var sortOpts = null;\r\n        var i = 0;\r\n        for (; i < sortColumns.length; i++){\r\n          if (sortColumns[i].columnId == column.id){\r\n            sortOpts = sortColumns[i];\r\n            sortOpts.sortAsc = !sortOpts.sortAsc;\r\n            break;\r\n          }\r\n        }\r\n\r\n        if (e.metaKey && options.multiColumnSort){\r\n          if (sortOpts){\r\n            sortColumns.splice(i, 1);\r\n          }\r\n        }\r\n        else {\r\n          if ((!e.shiftKey && !e.metaKey) || !options.multiColumnSort){\r\n            sortColumns = [];\r\n          }\r\n\r\n          if (!sortOpts){\r\n            sortOpts = {columnId: column.id, sortAsc: column.defaultSortAsc};\r\n            sortColumns.push(sortOpts);\r\n          } else if (sortColumns.length == 0){\r\n            sortColumns.push(sortOpts);\r\n          }\r\n        }\r\n\r\n        setSortColumns(sortColumns);\r\n\r\n        if (!options.multiColumnSort){\r\n          trigger(self.onSort, {\r\n            multiColumnSort: false,\r\n            sortCol: column,\r\n            sortAsc: sortOpts.sortAsc,\r\n            grid: self\r\n          }, e);\r\n        } else {\r\n          trigger(self.onSort, {\r\n            multiColumnSort: true,\r\n            sortCols: $.map(sortColumns, function(col){\r\n              return {sortCol: columns[getColumnIndex(col.columnId)], sortAsc: col.sortAsc};\r\n            }),\r\n            grid: self\r\n          }, e);\r\n        }\r\n      }\r\n    });\r\n  }\r\n\r\n  /**\r\n   * Refactored to use interactjs\r\n   */\r\n  function setupColumnReorder(){\r\n    let x = 0;\r\n    let delta = 0;\r\n    let placeholder = document.createElement('div');\r\n\r\n    placeholder.className = 'interact-placeholder';\r\n\r\n    interact('.slick-header-column')\r\n      .ignoreFrom('.slick-resizable-handle')\r\n      .draggable({\r\n        inertia: true,\r\n        // keep the element within the area of it's parent\r\n        restrict: {\r\n          restriction: 'parent',\r\n          endOnly: true,\r\n          elementRect: {top: 0, left: 0, bottom: 0, right: 0}\r\n        },\r\n        // enable autoScroll\r\n        autoScroll: true,\r\n        axis: 'x',\r\n        onstart: event => {\r\n          x = 0;\r\n          delta = event.target.offsetWidth;\r\n\r\n          // get old order\r\n          $headers.find('.slick-header-column').each(function(index){\r\n            $(this).data('index', index);\r\n          });\r\n\r\n          placeholder.style.height = event.target.offsetHeight + 'px';\r\n          placeholder.style.width = delta + 'px';\r\n\r\n          $(event.target).after(placeholder).css({\r\n            position: 'absolute',\r\n            zIndex: 1000,\r\n            marginLeft: $(event.target).position().left\r\n          });\r\n        },\r\n\r\n        onmove: event => {\r\n          x += event.dx;\r\n          event.target.style.transform = `translate3d(${x}px, -3px, 100px)`;\r\n          // event.target.style.marginLeft = x + 'px';\r\n        },\r\n\r\n        onend: event => {\r\n          x = 0;\r\n          delta = 0;\r\n          $(event.target).css({\r\n            position: 'relative',\r\n            zIndex: '',\r\n            marginLeft: 0,\r\n            transform: 'none'\r\n          });\r\n\r\n          placeholder.parentNode.removeChild(placeholder);\r\n          const newColumns = [];\r\n\r\n          $headers.find('.slick-header-column').each(function(index){\r\n            newColumns.push(columns[$(this).data('index')]);\r\n            $(this).removeData('index');\r\n          });\r\n\r\n          setColumns(newColumns);\r\n          trigger(self.onColumnsReordered, {grid: self});\r\n          setupColumnResize();\r\n        }\r\n      })\r\n      .dropzone({\r\n        accept: '.slick-header-column',\r\n\r\n        ondragenter: event => {\r\n          event.target.classList.add('interact-drop-active');\r\n          event.relatedTarget.classList.add('interact-can-drop');\r\n        },\r\n\r\n        ondragleave: event => {\r\n          event.target.classList.remove('interact-drop-active');\r\n          event.relatedTarget.classList.remove('interact-can-drop');\r\n        },\r\n\r\n        ondrop: event => {\r\n          event.target.classList.remove('interact-drop-active');\r\n          event.relatedTarget.classList.remove('interact-can-drop');\r\n          $(event.target)[x > 0 ? 'after' : 'before'](event.relatedTarget);\r\n        }\r\n      }).styleCursor(false);\r\n  }\r\n\r\n  function setupColumnResize(){\r\n    var $col, j, c, pageX, columnElements, minPageX, maxPageX, firstResizable, lastResizable;\r\n    columnElements = $headers.children();\r\n    columnElements.find('.slick-resizable-handle').remove();\r\n    columnElements.each(function(i, e){\r\n      if (columns[i].resizable){\r\n        if (firstResizable === undefined){\r\n          firstResizable = i;\r\n        }\r\n        lastResizable = i;\r\n      }\r\n    });\r\n    if (firstResizable === undefined){\r\n      return;\r\n    }\r\n    columnElements.each(function(i, element){\r\n      if (i < firstResizable || (options.forceFitColumns && i >= lastResizable)){\r\n        return;\r\n      }\r\n      $col = $(element);\r\n\r\n      const $handle = $(\"<div class='slick-resizable-handle' />\");\r\n      $handle.appendTo(element);\r\n\r\n      if ($col.data('resizable'))\r\n        return;\r\n\r\n      const activeColumn = columns[i];\r\n      if (activeColumn.resizable){\r\n        $col.data('resizable', true);\r\n        interact(element).resizable({\r\n          preserveAspectRatio: false,\r\n          edges: { left: true, right: true, bottom: false, top: false }\r\n        }).on('resizestart', function(event){\r\n          if (!getEditorLock().commitCurrentEdit()){\r\n            return false;\r\n          }\r\n          activeColumn.previousWidth = event.rect.width;\r\n          event.target.classList.add('slick-header-column-active');\r\n        }).on('resizemove', function(event){\r\n          let x = event.dx;\r\n          let width = activeColumn.width += x;\r\n\r\n          if (activeColumn.minWidth > 0 && activeColumn.minWidth > width)\r\n            width = activeColumn.minWidth;\r\n          else if (activeColumn.maxWidth > 0 && activeColumn.maxWidth < width)\r\n            width = activeColumn.maxWidth;\r\n\r\n          activeColumn.width = width;\r\n\r\n          if (options.forceFitColumns){\r\n            autosizeColumns();\r\n          }\r\n          applyColumnHeaderWidths();\r\n          if (options.syncColumnCellResize){\r\n            applyColumnWidths();\r\n          }\r\n        }).on('resizeend', function(event){\r\n          event.target.classList.remove('slick-header-column-active');\r\n          invalidateAllRows();\r\n          updateCanvasWidth(true);\r\n          render();\r\n          trigger(self.onColumnsResized, {grid: self});\r\n        });\r\n      }\r\n    });\r\n  }\r\n\r\n  function getVBoxDelta($el){\r\n    var p = ['borderTopWidth', 'borderBottomWidth', 'paddingTop', 'paddingBottom'];\r\n    var delta = 0;\r\n    $.each(p, function(n, val){\r\n      delta += parseFloat($el.css(val)) || 0;\r\n    });\r\n    return delta;\r\n  }\r\n\r\n  function measureCellPaddingAndBorder(){\r\n    var el;\r\n    var h = ['borderLeftWidth', 'borderRightWidth', 'paddingLeft', 'paddingRight'];\r\n    var v = ['borderTopWidth', 'borderBottomWidth', 'paddingTop', 'paddingBottom'];\r\n\r\n    // jquery prior to version 1.8 handles .width setter/getter as a direct css write/read\r\n    // jquery 1.8 changed .width to read the true inner element width if box-sizing is set to border-box, and introduced a setter for .outerWidth\r\n    // so for equivalent functionality, prior to 1.8 use .width, and after use .outerWidth\r\n    var verArray = $.fn.jquery.split('.');\r\n    jQueryNewWidthBehaviour = (verArray[0] == 1 && verArray[1] >= 8) || verArray[0] >= 2;\r\n\r\n    el = $(\"<div class='ui-state-default slick-header-column' style='visibility:hidden'>-</div>\").appendTo($headers);\r\n    headerColumnWidthDiff = headerColumnHeightDiff = 0;\r\n    if (el.css('box-sizing') != 'border-box' && el.css('-moz-box-sizing') != 'border-box' && el.css('-webkit-box-sizing') != 'border-box'){\r\n      $.each(h, function(n, val){\r\n        headerColumnWidthDiff += parseFloat(el.css(val)) || 0;\r\n      });\r\n      $.each(v, function(n, val){\r\n        headerColumnHeightDiff += parseFloat(el.css(val)) || 0;\r\n      });\r\n    }\r\n    el.remove();\r\n\r\n    var r = $(\"<div class='slick-row' />\").appendTo($canvas);\r\n    el = $(\"<div class='slick-cell' id='' style='visibility:hidden'>-</div>\").appendTo(r);\r\n    cellWidthDiff = cellHeightDiff = 0;\r\n    if (el.css('box-sizing') != 'border-box' && el.css('-moz-box-sizing') != 'border-box' && el.css('-webkit-box-sizing') != 'border-box'){\r\n      $.each(h, function(n, val){\r\n        cellWidthDiff += parseFloat(el.css(val)) || 0;\r\n      });\r\n      $.each(v, function(n, val){\r\n        cellHeightDiff += parseFloat(el.css(val)) || 0;\r\n      });\r\n    }\r\n    r.remove();\r\n\r\n    absoluteColumnMinWidth = Math.max(headerColumnWidthDiff, cellWidthDiff);\r\n  }\r\n\r\n  function createCssRules() {\r\n    $style = $(\"<style type='text/css' rel='stylesheet' />\").appendTo($(\"head\"));\r\n    var rowHeight = (options.rowHeight - cellHeightDiff);\r\n    if ($style[0].styleSheet) { // IE\r\n      $style[0].styleSheet.cssText = \"\";\r\n    } else {\r\n      $style[0].appendChild(document.createTextNode(\"\"));\r\n    }\r\n\r\n    var sheet =  $style[0].sheet;\r\n    var index = 0;\r\n    addCSSRule(sheet,\".\" + uid + \" .slick-header-column\", \"left: 0;\", index++);\r\n    addCSSRule(sheet,\".\" + uid + \" .slick-top-panel\", \"height:\" + options.topPanelHeight + \"px;\", index++);\r\n    addCSSRule(sheet,\".\" + uid + \" .slick-headerrow-columns\", \"height:\" + options.headerRowHeight + \"px;\", index++);\r\n    addCSSRule(sheet,\".\" + uid + \" .slick-cell\", \"height:\" + rowHeight + \"px;\", index++);\r\n    addCSSRule(sheet,\".\" + uid + \" .slick-row\", \"height:\" + options.rowHeight + \"px;\", index++);\r\n\r\n    for (var i = 0; i < columns.length; i++) {\r\n        addCSSRule(sheet,\".\" + uid + \" .l\" + i , \"\", index++);\r\n        addCSSRule(sheet,\".\" + uid + \" .r\" + i, \"\", index++);\r\n      }\r\n  }\r\n\r\n  function addCSSRule(sheet, selector, rules, index) {\r\n      if(sheet.insertRule) {\r\n          sheet.insertRule(selector + \"{\" + rules + \"}\", index);\r\n      }\r\n      else {\r\n          sheet.addRule(selector, rules, index);\r\n      }\r\n  }  \r\n\r\n  function getColumnCssRules(idx){\r\n    if (!stylesheet){\r\n      var sheets = document.styleSheets;\r\n      for (var i = 0; i < sheets.length; i++){\r\n        if ((sheets[i].ownerNode || sheets[i].owningElement) == $style[0]){\r\n          stylesheet = sheets[i];\r\n          break;\r\n        }\r\n      }\r\n\r\n      if (!stylesheet){\r\n        throw new Error('Cannot find stylesheet.');\r\n      }\r\n\r\n      // find and cache column CSS rules\r\n      columnCssRulesL = [];\r\n      columnCssRulesR = [];\r\n      var cssRules = (stylesheet.cssRules || stylesheet.rules);\r\n      var matches, columnIdx;\r\n      for (var i = 0; i < cssRules.length; i++){\r\n        var selector = cssRules[i].selectorText;\r\n        if (matches = /\\.l\\d+/.exec(selector)){\r\n          columnIdx = parseInt(matches[0].substr(2, matches[0].length - 2), 10);\r\n          columnCssRulesL[columnIdx] = cssRules[i];\r\n        } else if (matches = /\\.r\\d+/.exec(selector)){\r\n          columnIdx = parseInt(matches[0].substr(2, matches[0].length - 2), 10);\r\n          columnCssRulesR[columnIdx] = cssRules[i];\r\n        }\r\n      }\r\n    }\r\n\r\n    return {\r\n      'left': columnCssRulesL[idx],\r\n      'right': columnCssRulesR[idx]\r\n    };\r\n  }\r\n\r\n  function removeCssRules(){\r\n    $style.remove();\r\n    stylesheet = null;\r\n  }\r\n\r\n  function destroy(){\r\n    getEditorLock().cancelCurrentEdit();\r\n\r\n    trigger(self.onBeforeDestroy, {grid: self});\r\n\r\n    var i = plugins.length;\r\n    while (i--){\r\n      unregisterPlugin(plugins[i]);\r\n    }\r\n\r\n    unbindAncestorScrollEvents();\r\n    $container.unbind('.slickgrid');\r\n    removeCssRules();\r\n\r\n    $container.empty().removeClass(uid);\r\n  }\r\n\r\n  // ////////////////////////////////////////////////////////////////////////////////////////////\r\n  // General\r\n\r\n  function trigger(evt, args, e){\r\n    e = e || new Slick.EventData();\r\n    args = args || {};\r\n    args.grid = self;\r\n    return evt.notify(args, e, self);\r\n  }\r\n\r\n  function getEditorLock(){\r\n    return options.editorLock;\r\n  }\r\n\r\n  function getEditController(){\r\n    return editController;\r\n  }\r\n\r\n  function getColumnIndex(id){\r\n    return columnsById[id];\r\n  }\r\n\r\n  function autosizeColumns(){\r\n    var i, c,\r\n      widths = [],\r\n      shrinkLeeway = 0,\r\n      total = 0,\r\n      prevTotal,\r\n      availWidth = viewportHasVScroll ? viewportW - scrollbarDimensions.width : viewportW;\r\n\r\n    for (i = 0; i < columns.length; i++){\r\n      c = columns[i];\r\n      widths.push(c.width);\r\n      total += c.width;\r\n      if (c.resizable){\r\n        shrinkLeeway += c.width - Math.max(c.minWidth, absoluteColumnMinWidth);\r\n      }\r\n    }\r\n\r\n    // shrink\r\n    prevTotal = total;\r\n    while (total > availWidth && shrinkLeeway){\r\n      var shrinkProportion = (total - availWidth) / shrinkLeeway;\r\n      for (i = 0; i < columns.length && total > availWidth; i++){\r\n        c = columns[i];\r\n        var width = widths[i];\r\n        if (!c.resizable || width <= c.minWidth || width <= absoluteColumnMinWidth){\r\n          continue;\r\n        }\r\n        var absMinWidth = Math.max(c.minWidth, absoluteColumnMinWidth);\r\n        var shrinkSize = Math.floor(shrinkProportion * (width - absMinWidth)) || 1;\r\n        shrinkSize = Math.min(shrinkSize, width - absMinWidth);\r\n        total -= shrinkSize;\r\n        shrinkLeeway -= shrinkSize;\r\n        widths[i] -= shrinkSize;\r\n      }\r\n      if (prevTotal <= total){  // avoid infinite loop\r\n        break;\r\n      }\r\n      prevTotal = total;\r\n    }\r\n\r\n    // grow\r\n    prevTotal = total;\r\n    while (total < availWidth){\r\n      var growProportion = availWidth / total;\r\n      for (i = 0; i < columns.length && total < availWidth; i++){\r\n        c = columns[i];\r\n        var currentWidth = widths[i];\r\n        var growSize;\r\n\r\n        if (!c.resizable || c.maxWidth <= currentWidth){\r\n          growSize = 0;\r\n        } else {\r\n          growSize = Math.min(Math.floor(growProportion * currentWidth) - currentWidth, (c.maxWidth - currentWidth) || 1000000) || 1;\r\n        }\r\n        total += growSize;\r\n        widths[i] += (total <= availWidth ? growSize : 0);\r\n      }\r\n      if (prevTotal >= total){  // avoid infinite loop\r\n        break;\r\n      }\r\n      prevTotal = total;\r\n    }\r\n\r\n    var reRender = false;\r\n    for (i = 0; i < columns.length; i++){\r\n      if (columns[i].rerenderOnResize && columns[i].width != widths[i]){\r\n        reRender = true;\r\n      }\r\n      columns[i].width = widths[i];\r\n    }\r\n\r\n    applyColumnHeaderWidths();\r\n    updateCanvasWidth(true);\r\n    if (reRender){\r\n      invalidateAllRows();\r\n      render();\r\n    }\r\n  }\r\n\r\n  function applyColumnHeaderWidths(){\r\n    if (!initialized){\r\n      return;\r\n    }\r\n    var h;\r\n    for (var i = 0, headers = $headers.children('[id]'), ii = headers.length; i < ii; i++){\r\n      h = $(headers[i]);\r\n      if (jQueryNewWidthBehaviour){\r\n        if (h.outerWidth() !== columns[i].width){\r\n          h.outerWidth(columns[i].width);\r\n        }\r\n      } else {\r\n        if (h.width() !== columns[i].width - headerColumnWidthDiff){\r\n          h.width(columns[i].width - headerColumnWidthDiff);\r\n        }\r\n      }\r\n    }\r\n\r\n    updateColumnCaches();\r\n  }\r\n\r\n  function applyColumnWidths(){\r\n    var x = 0, w, rule;\r\n    for (var i = 0; i < columns.length; i++){\r\n      w = columns[i].width;\r\n\r\n      rule = getColumnCssRules(i);\r\n      rule.left.style.left = x + 'px';\r\n      rule.right.style.right = (canvasWidth - x - w) + 'px';\r\n\r\n      x += columns[i].width;\r\n    }\r\n  }\r\n\r\n  function setSortColumn(columnId, ascending){\r\n    setSortColumns([{columnId: columnId, sortAsc: ascending}]);\r\n  }\r\n\r\n  function setSortColumns(cols){\r\n    sortColumns = cols;\r\n\r\n    var headerColumnEls = $headers.children();\r\n    headerColumnEls\r\n      .removeClass('slick-header-column-sorted')\r\n      .find('.slick-sort-indicator')\r\n      .removeClass('slick-sort-indicator-asc slick-sort-indicator-desc');\r\n\r\n    $.each(sortColumns, function(i, col){\r\n      if (col.sortAsc == null){\r\n        col.sortAsc = true;\r\n      }\r\n      var columnIndex = getColumnIndex(col.columnId);\r\n      if (columnIndex != null){\r\n        headerColumnEls.eq(columnIndex)\r\n          .addClass('slick-header-column-sorted')\r\n          .find('.slick-sort-indicator')\r\n          .addClass(col.sortAsc ? 'slick-sort-indicator-asc' : 'slick-sort-indicator-desc');\r\n      }\r\n    });\r\n  }\r\n\r\n  function getSortColumns(){\r\n    return sortColumns;\r\n  }\r\n\r\n  function handleSelectedRangesChanged(e, ranges){\r\n    selectedRows = [];\r\n    var hash = {};\r\n    for (var i = 0; i < ranges.length; i++){\r\n      for (var j = ranges[i].fromRow; j <= ranges[i].toRow; j++){\r\n        if (!hash[j]){  // prevent duplicates\r\n          selectedRows.push(j);\r\n          hash[j] = {};\r\n        }\r\n        for (var k = ranges[i].fromCell; k <= ranges[i].toCell; k++){\r\n          if (canCellBeSelected(j, k)){\r\n            hash[j][columns[k].id] = options.selectedCellCssClass;\r\n          }\r\n        }\r\n      }\r\n    }\r\n\r\n    setCellCssStyles(options.selectedCellCssClass, hash);\r\n\r\n    trigger(self.onSelectedRowsChanged, {rows: getSelectedRows(), grid: self}, e);\r\n  }\r\n\r\n  function getColumns(){\r\n    return columns;\r\n  }\r\n\r\n  function updateColumnCaches(){\r\n    // Pre-calculate cell boundaries.\r\n    columnPosLeft = [];\r\n    columnPosRight = [];\r\n    var x = 0;\r\n    for (var i = 0, ii = columns.length; i < ii; i++){\r\n      columnPosLeft[i] = x;\r\n      columnPosRight[i] = x + columns[i].width;\r\n      x += columns[i].width;\r\n    }\r\n  }\r\n\r\n  function setColumns(columnDefinitions){\r\n    columns = columnDefinitions;\r\n\r\n    columnsById = {};\r\n    for (var i = 0; i < columns.length; i++){\r\n      var m = columns[i] = $.extend({}, columnDefaults, columns[i]);\r\n      columnsById[m.id] = i;\r\n      if (m.minWidth && m.width < m.minWidth){\r\n        m.width = m.minWidth;\r\n      }\r\n      if (m.maxWidth && m.width > m.maxWidth){\r\n        m.width = m.maxWidth;\r\n      }\r\n    }\r\n\r\n    updateColumnCaches();\r\n\r\n    if (initialized){\r\n      invalidateAllRows();\r\n      createColumnHeaders();\r\n      removeCssRules();\r\n      createCssRules();\r\n      resizeCanvas();\r\n      applyColumnWidths();\r\n      handleScroll();\r\n    }\r\n  }\r\n\r\n  function getOptions(){\r\n    return options;\r\n  }\r\n\r\n  function setOptions(args){\r\n    if (!getEditorLock().commitCurrentEdit()){\r\n      return;\r\n    }\r\n\r\n    makeActiveCellNormal();\r\n\r\n    if (options.enableAddRow !== args.enableAddRow){\r\n      invalidateRow(getDataLength());\r\n    }\r\n\r\n    options = $.extend(options, args);\r\n    validateAndEnforceOptions();\r\n\r\n    $viewport.css('overflow-y', options.autoHeight ? 'hidden' : 'auto');\r\n    render();\r\n  }\r\n\r\n  function validateAndEnforceOptions(){\r\n    if (options.autoHeight){\r\n      options.leaveSpaceForNewRows = false;\r\n    }\r\n  }\r\n\r\n  function setData(newData, scrollToTop){\r\n    data = newData;\r\n    invalidateAllRows();\r\n    updateRowCount();\r\n    if (scrollToTop){\r\n      scrollTo(0);\r\n    }\r\n  }\r\n\r\n  function getData(){\r\n    return data;\r\n  }\r\n\r\n  function getDataLength(){\r\n    if (data.getLength){\r\n      return data.getLength();\r\n    } else {\r\n      return data.length;\r\n    }\r\n  }\r\n\r\n  function getDataLengthIncludingAddNew(){\r\n    return getDataLength() + (options.enableAddRow ? 1 : 0);\r\n  }\r\n\r\n  function getDataItem(i){\r\n    if (data.getItem){\r\n      return data.getItem(i);\r\n    } else {\r\n      return data[i];\r\n    }\r\n  }\r\n\r\n  function getTopPanel(){\r\n    return $topPanel[0];\r\n  }\r\n\r\n  function setTopPanelVisibility(visible){\r\n    if (options.showTopPanel != visible){\r\n      options.showTopPanel = visible;\r\n      if (visible){\r\n        $topPanelScroller.slideDown('fast', resizeCanvas);\r\n      } else {\r\n        $topPanelScroller.slideUp('fast', resizeCanvas);\r\n      }\r\n    }\r\n  }\r\n\r\n  function setHeaderRowVisibility(visible){\r\n    if (options.showHeaderRow != visible){\r\n      options.showHeaderRow = visible;\r\n      if (visible){\r\n        $headerRowScroller.slideDown('fast', resizeCanvas);\r\n      } else {\r\n        $headerRowScroller.slideUp('fast', resizeCanvas);\r\n      }\r\n    }\r\n  }\r\n\r\n  function setFooterRowVisibility(visible){\r\n    if (options.showFooterRow != visible){\r\n      options.showFooterRow = visible;\r\n      if (visible){\r\n        $footerRowScroller.slideDown('fast', resizeCanvas);\r\n      } else {\r\n        $footerRowScroller.slideUp('fast', resizeCanvas);\r\n      }\r\n    }\r\n  }\r\n\r\n  function getContainerNode(){\r\n    return $container.get(0);\r\n  }\r\n\r\n  // ////////////////////////////////////////////////////////////////////////////////////////////\r\n  // Rendering / Scrolling\r\n\r\n  function getRowTop(row){\r\n    return options.rowHeight * row - offset;\r\n  }\r\n\r\n  function getRowFromPosition(y){\r\n    return Math.floor((y + offset) / options.rowHeight);\r\n  }\r\n\r\n  function scrollTo(y){\r\n    y = Math.max(y, 0);\r\n    y = Math.min(y, th - viewportH + (viewportHasHScroll ? scrollbarDimensions.height : 0));\r\n\r\n    var oldOffset = offset;\r\n\r\n    page = Math.min(n - 1, Math.floor(y / ph));\r\n    offset = Math.round(page * cj);\r\n    var newScrollTop = y - offset;\r\n\r\n    if (offset != oldOffset){\r\n      var range = getVisibleRange(newScrollTop);\r\n      cleanupRows(range);\r\n      updateRowPositions();\r\n    }\r\n\r\n    if (prevScrollTop != newScrollTop){\r\n      vScrollDir = (prevScrollTop + oldOffset < newScrollTop + offset) ? 1 : -1;\r\n      $viewport[0].scrollTop = (lastRenderedScrollTop = scrollTop = prevScrollTop = newScrollTop);\r\n\r\n      trigger(self.onViewportChanged, {grid: self});\r\n    }\r\n  }\r\n\r\n  function defaultFormatter(row, cell, value, columnDef, dataContext){\r\n    if (value == null){\r\n      return '';\r\n    } else {\r\n      return (value + '').replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;');\r\n    }\r\n  }\r\n\r\n  function getFormatter(row, column){\r\n    var rowMetadata = data.getItemMetadata && data.getItemMetadata(row);\r\n\r\n    // look up by id, then index\r\n    var columnOverrides = rowMetadata &&\r\n      rowMetadata.columns &&\r\n      (rowMetadata.columns[column.id] || rowMetadata.columns[getColumnIndex(column.id)]);\r\n\r\n    return (columnOverrides && columnOverrides.formatter) ||\r\n      (rowMetadata && rowMetadata.formatter) ||\r\n      column.formatter ||\r\n      (options.formatterFactory && options.formatterFactory.getFormatter(column)) ||\r\n      options.defaultFormatter;\r\n  }\r\n\r\n  function getEditor(row, cell){\r\n    var column = columns[cell];\r\n    var rowMetadata = data.getItemMetadata && data.getItemMetadata(row);\r\n    var columnMetadata = rowMetadata && rowMetadata.columns;\r\n\r\n    if (columnMetadata && columnMetadata[column.id] && columnMetadata[column.id].editor !== undefined){\r\n      return columnMetadata[column.id].editor;\r\n    }\r\n    if (columnMetadata && columnMetadata[cell] && columnMetadata[cell].editor !== undefined){\r\n      return columnMetadata[cell].editor;\r\n    }\r\n\r\n    return column.editor || (options.editorFactory && options.editorFactory.getEditor(column));\r\n  }\r\n\r\n  function getDataItemValueForColumn(item, columnDef){\r\n    if (options.dataItemColumnValueExtractor){\r\n      return options.dataItemColumnValueExtractor(item, columnDef);\r\n    }\r\n    return item[columnDef.field];\r\n  }\r\n\r\n  function appendRowHtml(stringArray, row, range, dataLength){\r\n    var d = getDataItem(row);\r\n    var dataLoading = row < dataLength && !d;\r\n    var rowCss = 'slick-row' +\r\n      (dataLoading ? ' loading' : '') +\r\n      (row === activeRow ? ' active' : '') +\r\n      (row % 2 == 1 ? ' odd' : ' even');\r\n\r\n    if (!d){\r\n      rowCss += ' ' + options.addNewRowCssClass;\r\n    }\r\n\r\n    var metadata = data.getItemMetadata && data.getItemMetadata(row);\r\n\r\n    if (metadata && metadata.cssClasses){\r\n      rowCss += ' ' + metadata.cssClasses;\r\n    }\r\n\r\n    stringArray.push(\"<div class='ui-widget-content \" + rowCss + \"' style='top:\" + getRowTop(row) + \"px'>\");\r\n\r\n    var colspan, m;\r\n    for (var i = 0, ii = columns.length; i < ii; i++){\r\n      m = columns[i];\r\n      colspan = 1;\r\n      if (metadata && metadata.columns){\r\n        var columnData = metadata.columns[m.id] || metadata.columns[i];\r\n        colspan = (columnData && columnData.colspan) || 1;\r\n        if (colspan === '*'){\r\n          colspan = ii - i;\r\n        }\r\n      }\r\n\r\n      // Do not render cells outside of the viewport.\r\n      if (columnPosRight[Math.min(ii - 1, i + colspan - 1)] > range.leftPx){\r\n        if (columnPosLeft[i] > range.rightPx){\r\n          // All columns to the right are outside the range.\r\n          break;\r\n        }\r\n\r\n        appendCellHtml(stringArray, row, i, colspan, d);\r\n      }\r\n\r\n      if (colspan > 1){\r\n        i += (colspan - 1);\r\n      }\r\n    }\r\n\r\n    stringArray.push('</div>');\r\n  }\r\n\r\n  function appendCellHtml(stringArray, row, cell, colspan, item){\r\n    // stringArray: stringBuilder containing the HTML parts\r\n    // row, cell: row and column index\r\n    // colspan: HTML colspan\r\n    // item: grid data for row\r\n\r\n    var m = columns[cell];\r\n    var cellCss = 'slick-cell l' + cell + ' r' + Math.min(columns.length - 1, cell + colspan - 1) +\r\n      (m.cssClass ? ' ' + m.cssClass : '');\r\n    if (row === activeRow && cell === activeCell){\r\n      cellCss += (' active');\r\n    }\r\n\r\n    // TODO:  merge them together in the setter\r\n    for (var key in cellCssClasses){\r\n      if (cellCssClasses[key][row] && cellCssClasses[key][row][m.id]){\r\n        cellCss += (' ' + cellCssClasses[key][row][m.id]);\r\n      }\r\n    }\r\n\r\n    stringArray.push(\"<div class='\" + cellCss + \"'>\");\r\n\r\n    // if there is a corresponding row (if not, this is the Add New row or this data hasn't been loaded yet)\r\n    if (item){\r\n      var value = getDataItemValueForColumn(item, m);\r\n      stringArray.push(getFormatter(row, m)(row, cell, value, m, item));\r\n    }\r\n\r\n    stringArray.push('</div>');\r\n\r\n    rowsCache[row].cellRenderQueue.push(cell);\r\n    rowsCache[row].cellColSpans[cell] = colspan;\r\n  }\r\n\r\n  function cleanupRows(rangeToKeep){\r\n    for (var i in rowsCache){\r\n      if (((i = parseInt(i, 10)) !== activeRow) && (i < rangeToKeep.top || i > rangeToKeep.bottom)){\r\n        removeRowFromCache(i);\r\n      }\r\n    }\r\n    if (options.enableAsyncPostRenderCleanup){\r\n      startPostProcessingCleanup();\r\n    }\r\n  }\r\n\r\n  function invalidate(){\r\n    updateRowCount();\r\n    invalidateAllRows();\r\n    render();\r\n  }\r\n\r\n  function invalidateAllRows(){\r\n    if (currentEditor){\r\n      makeActiveCellNormal();\r\n    }\r\n    for (var row in rowsCache){\r\n      removeRowFromCache(row);\r\n    }\r\n    if (options.enableAsyncPostRenderCleanup){\r\n      startPostProcessingCleanup();\r\n    }\r\n  }\r\n\r\n  function queuePostProcessedRowForCleanup(cacheEntry, postProcessedRow, rowIdx){\r\n    postProcessgroupId++;\r\n\r\n    // store and detach node for later async cleanup\r\n    for (var columnIdx in postProcessedRow){\r\n      if (postProcessedRow.hasOwnProperty(columnIdx)){\r\n        postProcessedCleanupQueue.push({\r\n          actionType: 'C',\r\n          groupId: postProcessgroupId,\r\n          node: cacheEntry.cellNodesByColumnIdx[columnIdx | 0],\r\n          columnIdx: columnIdx | 0,\r\n          rowIdx: rowIdx\r\n        });\r\n      }\r\n    }\r\n    postProcessedCleanupQueue.push({\r\n      actionType: 'R',\r\n      groupId: postProcessgroupId,\r\n      node: cacheEntry.rowNode\r\n    });\r\n    $(cacheEntry.rowNode).detach();\r\n  }\r\n\r\n  function queuePostProcessedCellForCleanup(cellnode, columnIdx, rowIdx){\r\n    postProcessedCleanupQueue.push({\r\n      actionType: 'C',\r\n      groupId: postProcessgroupId,\r\n      node: cellnode,\r\n      columnIdx: columnIdx,\r\n      rowIdx: rowIdx\r\n    });\r\n    $(cellnode).detach();\r\n  }\r\n\r\n  function removeRowFromCache(row){\r\n    var cacheEntry = rowsCache[row];\r\n    if (!cacheEntry){\r\n      return;\r\n    }\r\n\r\n    if (rowNodeFromLastMouseWheelEvent === cacheEntry.rowNode){\r\n      cacheEntry.rowNode.style.display = 'none';\r\n      zombieRowNodeFromLastMouseWheelEvent = rowNodeFromLastMouseWheelEvent;\r\n      zombieRowCacheFromLastMouseWheelEvent = cacheEntry;\r\n      zombieRowPostProcessedFromLastMouseWheelEvent = postProcessedRows[row];\r\n      // ignore post processing cleanup in this case - it will be dealt with later\r\n    } else {\r\n      if (options.enableAsyncPostRenderCleanup && postProcessedRows[row]){\r\n        queuePostProcessedRowForCleanup(cacheEntry, postProcessedRows[row], row);\r\n      } else {\r\n        $canvas[0].removeChild(cacheEntry.rowNode);\r\n      }\r\n    }\r\n\r\n    delete rowsCache[row];\r\n    delete postProcessedRows[row];\r\n    renderedRows--;\r\n    counter_rows_removed++;\r\n  }\r\n\r\n  function invalidateRows(rows){\r\n    var i, rl;\r\n    if (!rows || !rows.length){\r\n      return;\r\n    }\r\n    vScrollDir = 0;\r\n    for (i = 0, rl = rows.length; i < rl; i++){\r\n      if (currentEditor && activeRow === rows[i]){\r\n        makeActiveCellNormal();\r\n      }\r\n      if (rowsCache[rows[i]]){\r\n        removeRowFromCache(rows[i]);\r\n      }\r\n    }\r\n    if (options.enableAsyncPostRenderCleanup){\r\n      startPostProcessingCleanup();\r\n    }\r\n  }\r\n\r\n  function invalidateRow(row){\r\n    invalidateRows([row]);\r\n  }\r\n\r\n  function updateCell(row, cell){\r\n    var cellNode = getCellNode(row, cell);\r\n    if (!cellNode){\r\n      return;\r\n    }\r\n\r\n    var m = columns[cell], d = getDataItem(row);\r\n    if (currentEditor && activeRow === row && activeCell === cell){\r\n      currentEditor.loadValue(d);\r\n    } else {\r\n      cellNode.innerHTML = d ? getFormatter(row, m)(row, cell, getDataItemValueForColumn(d, m), m, d) : '';\r\n      invalidatePostProcessingResults(row);\r\n    }\r\n  }\r\n\r\n  function updateRow(row){\r\n    var cacheEntry = rowsCache[row];\r\n    if (!cacheEntry){\r\n      return;\r\n    }\r\n\r\n    ensureCellNodesInRowsCache(row);\r\n\r\n    var d = getDataItem(row);\r\n\r\n    for (var columnIdx in cacheEntry.cellNodesByColumnIdx){\r\n      if (!cacheEntry.cellNodesByColumnIdx.hasOwnProperty(columnIdx)){\r\n        continue;\r\n      }\r\n\r\n      columnIdx = columnIdx | 0;\r\n      var m = columns[columnIdx],\r\n        node = cacheEntry.cellNodesByColumnIdx[columnIdx];\r\n\r\n      if (row === activeRow && columnIdx === activeCell && currentEditor){\r\n        currentEditor.loadValue(d);\r\n      } else if (d){\r\n        node.innerHTML = getFormatter(row, m)(row, columnIdx, getDataItemValueForColumn(d, m), m, d);\r\n      } else {\r\n        node.innerHTML = '';\r\n      }\r\n    }\r\n\r\n    invalidatePostProcessingResults(row);\r\n  }\r\n\r\n  function getViewportHeight(){\r\n    return parseFloat($.css($container[0], 'height', true)) -\r\n      parseFloat($.css($container[0], 'paddingTop', true)) -\r\n      parseFloat($.css($container[0], 'paddingBottom', true)) -\r\n      parseFloat($.css($headerScroller[0], 'height')) - getVBoxDelta($headerScroller) -\r\n      (options.showTopPanel ? options.topPanelHeight + getVBoxDelta($topPanelScroller) : 0) -\r\n      (options.showHeaderRow ? options.headerRowHeight + getVBoxDelta($headerRowScroller) : 0) -\r\n      (options.createFooterRow && options.showFooterRow ? options.footerRowHeight + getVBoxDelta($footerRowScroller) : 0);\r\n  }\r\n\r\n  function resizeCanvas(){\r\n    if (!initialized){\r\n      return;\r\n    }\r\n    if (options.autoHeight){\r\n      viewportH = options.rowHeight * getDataLengthIncludingAddNew();\r\n    } else {\r\n      viewportH = getViewportHeight();\r\n    }\r\n\r\n    numVisibleRows = Math.ceil(viewportH / options.rowHeight);\r\n    viewportW = parseFloat($.css($container[0], 'width', true));\r\n    if (!options.autoHeight){\r\n      $viewport.height(viewportH);\r\n    }\r\n\r\n    if (options.forceFitColumns){\r\n      autosizeColumns();\r\n    }\r\n\r\n    updateRowCount();\r\n    handleScroll();\r\n    // Since the width has changed, force the render() to reevaluate virtually rendered cells.\r\n    lastRenderedScrollLeft = -1;\r\n    render();\r\n  }\r\n\r\n  function updateRowCount(){\r\n    if (!initialized){\r\n      return;\r\n    }\r\n\r\n    var dataLengthIncludingAddNew = getDataLengthIncludingAddNew();\r\n    var numberOfRows = dataLengthIncludingAddNew +\r\n      (options.leaveSpaceForNewRows ? numVisibleRows - 1 : 0);\r\n\r\n    var oldViewportHasVScroll = viewportHasVScroll;\r\n    // with autoHeight, we do not need to accommodate the vertical scroll bar\r\n    viewportHasVScroll = !options.autoHeight && (numberOfRows * options.rowHeight > viewportH);\r\n    viewportHasHScroll = (canvasWidth > viewportW - scrollbarDimensions.width);\r\n\r\n    makeActiveCellNormal();\r\n\r\n    // remove the rows that are now outside of the data range\r\n    // this helps avoid redundant calls to .removeRow() when the size of the data decreased by thousands of rows\r\n    var l = dataLengthIncludingAddNew - 1;\r\n    for (var i in rowsCache){\r\n      if (i > l){\r\n        removeRowFromCache(i);\r\n      }\r\n    }\r\n    if (options.enableAsyncPostRenderCleanup){\r\n      startPostProcessingCleanup();\r\n    }\r\n\r\n    if (activeCellNode && activeRow > l){\r\n      resetActiveCell();\r\n    }\r\n\r\n    var oldH = h;\r\n    th = Math.max(options.rowHeight * numberOfRows, viewportH - scrollbarDimensions.height);\r\n    if (th < maxSupportedCssHeight){\r\n      // just one page\r\n      h = ph = th;\r\n      n = 1;\r\n      cj = 0;\r\n    } else {\r\n      // break into pages\r\n      h = maxSupportedCssHeight;\r\n      ph = h / 100;\r\n      n = Math.floor(th / ph);\r\n      cj = (th - h) / (n - 1);\r\n    }\r\n\r\n    if (h !== oldH){\r\n      $canvas.css('height', h);\r\n      scrollTop = $viewport[0].scrollTop;\r\n    }\r\n\r\n    var oldScrollTopInRange = (scrollTop + offset <= th - viewportH);\r\n\r\n    if (th == 0 || scrollTop == 0){\r\n      page = offset = 0;\r\n    } else if (oldScrollTopInRange){\r\n      // maintain virtual position\r\n      scrollTo(scrollTop + offset);\r\n    } else {\r\n      // scroll to bottom\r\n      scrollTo(th - viewportH);\r\n    }\r\n\r\n    if (h != oldH && options.autoHeight){\r\n      resizeCanvas();\r\n    }\r\n\r\n    if (options.forceFitColumns && oldViewportHasVScroll != viewportHasVScroll){\r\n      autosizeColumns();\r\n    }\r\n    updateCanvasWidth(false);\r\n  }\r\n\r\n  function getVisibleRange(viewportTop, viewportLeft){\r\n    if (viewportTop == null){\r\n      viewportTop = scrollTop;\r\n    }\r\n    if (viewportLeft == null){\r\n      viewportLeft = scrollLeft;\r\n    }\r\n\r\n    return {\r\n      top: getRowFromPosition(viewportTop),\r\n      bottom: getRowFromPosition(viewportTop + viewportH) + 1,\r\n      leftPx: viewportLeft,\r\n      rightPx: viewportLeft + viewportW\r\n    };\r\n  }\r\n\r\n  function getRenderedRange(viewportTop, viewportLeft){\r\n    var range = getVisibleRange(viewportTop, viewportLeft);\r\n    var buffer = Math.round(viewportH / options.rowHeight);\r\n    var minBuffer = 3;\r\n\r\n    if (vScrollDir == -1){\r\n      range.top -= buffer;\r\n      range.bottom += minBuffer;\r\n    } else if (vScrollDir == 1){\r\n      range.top -= minBuffer;\r\n      range.bottom += buffer;\r\n    } else {\r\n      range.top -= minBuffer;\r\n      range.bottom += minBuffer;\r\n    }\r\n\r\n    range.top = Math.max(0, range.top);\r\n    range.bottom = Math.min(getDataLengthIncludingAddNew() - 1, range.bottom);\r\n\r\n    range.leftPx -= viewportW;\r\n    range.rightPx += viewportW;\r\n\r\n    range.leftPx = Math.max(0, range.leftPx);\r\n    range.rightPx = Math.min(canvasWidth, range.rightPx);\r\n\r\n    return range;\r\n  }\r\n\r\n  function ensureCellNodesInRowsCache(row){\r\n    var cacheEntry = rowsCache[row];\r\n    if (cacheEntry){\r\n      if (cacheEntry.cellRenderQueue.length){\r\n        var lastChild = cacheEntry.rowNode.lastChild;\r\n        while (cacheEntry.cellRenderQueue.length){\r\n          var columnIdx = cacheEntry.cellRenderQueue.pop();\r\n          cacheEntry.cellNodesByColumnIdx[columnIdx] = lastChild;\r\n          lastChild = lastChild.previousSibling;\r\n        }\r\n      }\r\n    }\r\n  }\r\n\r\n  function cleanUpCells(range, row){\r\n    var totalCellsRemoved = 0;\r\n    var cacheEntry = rowsCache[row];\r\n\r\n    // Remove cells outside the range.\r\n    var cellsToRemove = [];\r\n    for (var i in cacheEntry.cellNodesByColumnIdx){\r\n      // I really hate it when people mess with Array.prototype.\r\n      if (!cacheEntry.cellNodesByColumnIdx.hasOwnProperty(i)){\r\n        continue;\r\n      }\r\n\r\n      // This is a string, so it needs to be cast back to a number.\r\n      i = i | 0;\r\n\r\n      var colspan = cacheEntry.cellColSpans[i];\r\n      if (columnPosLeft[i] > range.rightPx ||\r\n        columnPosRight[Math.min(columns.length - 1, i + colspan - 1)] < range.leftPx){\r\n        if (!(row == activeRow && i == activeCell)){\r\n          cellsToRemove.push(i);\r\n        }\r\n      }\r\n    }\r\n\r\n    var cellToRemove, node;\r\n    postProcessgroupId++;\r\n    while ((cellToRemove = cellsToRemove.pop()) != null){\r\n      node = cacheEntry.cellNodesByColumnIdx[cellToRemove];\r\n      if (options.enableAsyncPostRenderCleanup && postProcessedRows[row] && postProcessedRows[row][cellToRemove]){\r\n        queuePostProcessedCellForCleanup(node, cellToRemove, row);\r\n      } else {\r\n        cacheEntry.rowNode.removeChild(node);\r\n      }\r\n\r\n      delete cacheEntry.cellColSpans[cellToRemove];\r\n      delete cacheEntry.cellNodesByColumnIdx[cellToRemove];\r\n      if (postProcessedRows[row]){\r\n        delete postProcessedRows[row][cellToRemove];\r\n      }\r\n      totalCellsRemoved++;\r\n    }\r\n  }\r\n\r\n  function cleanUpAndRenderCells(range){\r\n    var cacheEntry;\r\n    var stringArray = [];\r\n    var processedRows = [];\r\n    var cellsAdded;\r\n    var totalCellsAdded = 0;\r\n    var colspan;\r\n\r\n    for (var row = range.top, btm = range.bottom; row <= btm; row++){\r\n      cacheEntry = rowsCache[row];\r\n      if (!cacheEntry){\r\n        continue;\r\n      }\r\n\r\n      // cellRenderQueue populated in renderRows() needs to be cleared first\r\n      ensureCellNodesInRowsCache(row);\r\n\r\n      cleanUpCells(range, row);\r\n\r\n      // Render missing cells.\r\n      cellsAdded = 0;\r\n\r\n      var metadata = data.getItemMetadata && data.getItemMetadata(row);\r\n      metadata = metadata && metadata.columns;\r\n\r\n      var d = getDataItem(row);\r\n\r\n      // TODO:  shorten this loop (index? heuristics? binary search?)\r\n      for (var i = 0, ii = columns.length; i < ii; i++){\r\n        // Cells to the right are outside the range.\r\n        if (columnPosLeft[i] > range.rightPx){\r\n          break;\r\n        }\r\n\r\n        // Already rendered.\r\n        if ((colspan = cacheEntry.cellColSpans[i]) != null){\r\n          i += (colspan > 1 ? colspan - 1 : 0);\r\n          continue;\r\n        }\r\n\r\n        colspan = 1;\r\n        if (metadata){\r\n          var columnData = metadata[columns[i].id] || metadata[i];\r\n          colspan = (columnData && columnData.colspan) || 1;\r\n          if (colspan === '*'){\r\n            colspan = ii - i;\r\n          }\r\n        }\r\n\r\n        if (columnPosRight[Math.min(ii - 1, i + colspan - 1)] > range.leftPx){\r\n          appendCellHtml(stringArray, row, i, colspan, d);\r\n          cellsAdded++;\r\n        }\r\n\r\n        i += (colspan > 1 ? colspan - 1 : 0);\r\n      }\r\n\r\n      if (cellsAdded){\r\n        totalCellsAdded += cellsAdded;\r\n        processedRows.push(row);\r\n      }\r\n    }\r\n\r\n    if (!stringArray.length){\r\n      return;\r\n    }\r\n\r\n    var x = document.createElement('div');\r\n    x.innerHTML = stringArray.join('');\r\n\r\n    var processedRow;\r\n    var node;\r\n    while ((processedRow = processedRows.pop()) != null){\r\n      cacheEntry = rowsCache[processedRow];\r\n      var columnIdx;\r\n      while ((columnIdx = cacheEntry.cellRenderQueue.pop()) != null){\r\n        node = x.lastChild;\r\n        cacheEntry.rowNode.appendChild(node);\r\n        cacheEntry.cellNodesByColumnIdx[columnIdx] = node;\r\n      }\r\n    }\r\n  }\r\n\r\n  function renderRows(range){\r\n    var parentNode = $canvas[0],\r\n      stringArray = [],\r\n      rows = [],\r\n      needToReselectCell = false,\r\n      dataLength = getDataLength();\r\n\r\n    for (var i = range.top, ii = range.bottom; i <= ii; i++){\r\n      if (rowsCache[i]){\r\n        continue;\r\n      }\r\n      renderedRows++;\r\n      rows.push(i);\r\n\r\n      // Create an entry right away so that appendRowHtml() can\r\n      // start populatating it.\r\n      rowsCache[i] = {\r\n        'rowNode': null,\r\n\r\n        // ColSpans of rendered cells (by column idx).\r\n        // Can also be used for checking whether a cell has been rendered.\r\n        'cellColSpans': [],\r\n\r\n        // Cell nodes (by column idx).  Lazy-populated by ensureCellNodesInRowsCache().\r\n        'cellNodesByColumnIdx': [],\r\n\r\n        // Column indices of cell nodes that have been rendered, but not yet indexed in\r\n        // cellNodesByColumnIdx.  These are in the same order as cell nodes added at the\r\n        // end of the row.\r\n        'cellRenderQueue': []\r\n      };\r\n\r\n      appendRowHtml(stringArray, i, range, dataLength);\r\n      if (activeCellNode && activeRow === i){\r\n        needToReselectCell = true;\r\n      }\r\n      counter_rows_rendered++;\r\n    }\r\n\r\n    if (!rows.length){\r\n      return;\r\n    }\r\n\r\n    var x = document.createElement('div');\r\n    x.innerHTML = stringArray.join('');\r\n\r\n    for (var i = 0, ii = rows.length; i < ii; i++){\r\n      rowsCache[rows[i]].rowNode = parentNode.appendChild(x.firstChild);\r\n    }\r\n\r\n    if (needToReselectCell){\r\n      activeCellNode = getCellNode(activeRow, activeCell);\r\n    }\r\n  }\r\n\r\n  function startPostProcessing(){\r\n    if (!options.enableAsyncPostRender){\r\n      return;\r\n    }\r\n    clearTimeout(h_postrender);\r\n    h_postrender = setTimeout(asyncPostProcessRows, options.asyncPostRenderDelay);\r\n  }\r\n\r\n  function startPostProcessingCleanup(){\r\n    if (!options.enableAsyncPostRenderCleanup){\r\n      return;\r\n    }\r\n    clearTimeout(h_postrenderCleanup);\r\n    h_postrenderCleanup = setTimeout(asyncPostProcessCleanupRows, options.asyncPostRenderCleanupDelay);\r\n  }\r\n\r\n  function invalidatePostProcessingResults(row){\r\n    // change status of columns to be re-rendered\r\n    for (var columnIdx in postProcessedRows[row]){\r\n      if (postProcessedRows[row].hasOwnProperty(columnIdx)){\r\n        postProcessedRows[row][columnIdx] = 'C';\r\n      }\r\n    }\r\n    postProcessFromRow = Math.min(postProcessFromRow, row);\r\n    postProcessToRow = Math.max(postProcessToRow, row);\r\n    startPostProcessing();\r\n  }\r\n\r\n  function updateRowPositions(){\r\n    for (var row in rowsCache){\r\n      rowsCache[row].rowNode.style.top = getRowTop(row) + 'px';\r\n    }\r\n  }\r\n\r\n  function render(){\r\n    if (!initialized){\r\n      return;\r\n    }\r\n    var visible = getVisibleRange();\r\n    var rendered = getRenderedRange();\r\n\r\n    // remove rows no longer in the viewport\r\n    cleanupRows(rendered);\r\n\r\n    // add new rows & missing cells in existing rows\r\n    if (lastRenderedScrollLeft != scrollLeft){\r\n      cleanUpAndRenderCells(rendered);\r\n    }\r\n\r\n    // render missing rows\r\n    renderRows(rendered);\r\n\r\n    postProcessFromRow = visible.top;\r\n    postProcessToRow = Math.min(getDataLengthIncludingAddNew() - 1, visible.bottom);\r\n    startPostProcessing();\r\n\r\n    lastRenderedScrollTop = scrollTop;\r\n    lastRenderedScrollLeft = scrollLeft;\r\n    h_render = null;\r\n  }\r\n\r\n  function handleHeaderRowScroll(){\r\n    var scrollLeft = $headerRowScroller[0].scrollLeft;\r\n    if (scrollLeft != $viewport[0].scrollLeft){\r\n      $viewport[0].scrollLeft = scrollLeft;\r\n    }\r\n  }\r\n\r\n  function handleFooterRowScroll(){\r\n    var scrollLeft = $footerRowScroller[0].scrollLeft;\r\n    if (scrollLeft != $viewport[0].scrollLeft){\r\n      $viewport[0].scrollLeft = scrollLeft;\r\n    }\r\n  }\r\n\r\n  function handleScroll(){\r\n    scrollTop = $viewport[0].scrollTop;\r\n    scrollLeft = $viewport[0].scrollLeft;\r\n    var vScrollDist = Math.abs(scrollTop - prevScrollTop);\r\n    var hScrollDist = Math.abs(scrollLeft - prevScrollLeft);\r\n\r\n    if (hScrollDist){\r\n      prevScrollLeft = scrollLeft;\r\n      $headerScroller[0].scrollLeft = scrollLeft;\r\n      $topPanelScroller[0].scrollLeft = scrollLeft;\r\n      $headerRowScroller[0].scrollLeft = scrollLeft;\r\n      if (options.createFooterRow){\r\n        $footerRowScroller[0].scrollLeft = scrollLeft;\r\n      }\r\n    }\r\n\r\n    if (vScrollDist){\r\n      vScrollDir = prevScrollTop < scrollTop ? 1 : -1;\r\n      prevScrollTop = scrollTop;\r\n\r\n      // switch virtual pages if needed\r\n      if (vScrollDist < viewportH){\r\n        scrollTo(scrollTop + offset);\r\n      } else {\r\n        var oldOffset = offset;\r\n        if (h == viewportH){\r\n          page = 0;\r\n        } else {\r\n          page = Math.min(n - 1, Math.floor(scrollTop * ((th - viewportH) / (h - viewportH)) * (1 / ph)));\r\n        }\r\n        offset = Math.round(page * cj);\r\n        if (oldOffset != offset){\r\n          invalidateAllRows();\r\n        }\r\n      }\r\n    }\r\n\r\n    if (hScrollDist || vScrollDist){\r\n      if (h_render){\r\n        clearTimeout(h_render);\r\n      }\r\n\r\n      if (Math.abs(lastRenderedScrollTop - scrollTop) > 20 ||\r\n        Math.abs(lastRenderedScrollLeft - scrollLeft) > 20){\r\n        if (options.forceSyncScrolling || (\r\n          Math.abs(lastRenderedScrollTop - scrollTop) < viewportH &&\r\n          Math.abs(lastRenderedScrollLeft - scrollLeft) < viewportW)){\r\n          render();\r\n        } else {\r\n          h_render = setTimeout(render, 50);\r\n        }\r\n\r\n        trigger(self.onViewportChanged, {grid: self});\r\n      }\r\n    }\r\n\r\n    trigger(self.onScroll, {scrollLeft: scrollLeft, scrollTop: scrollTop, grid: self});\r\n  }\r\n\r\n  function asyncPostProcessRows(){\r\n    var dataLength = getDataLength();\r\n    while (postProcessFromRow <= postProcessToRow){\r\n      var row = (vScrollDir >= 0) ? postProcessFromRow++ : postProcessToRow--;\r\n      var cacheEntry = rowsCache[row];\r\n      if (!cacheEntry || row >= dataLength){\r\n        continue;\r\n      }\r\n\r\n      if (!postProcessedRows[row]){\r\n        postProcessedRows[row] = {};\r\n      }\r\n\r\n      ensureCellNodesInRowsCache(row);\r\n      for (var columnIdx in cacheEntry.cellNodesByColumnIdx){\r\n        if (!cacheEntry.cellNodesByColumnIdx.hasOwnProperty(columnIdx)){\r\n          continue;\r\n        }\r\n\r\n        columnIdx = columnIdx | 0;\r\n\r\n        var m = columns[columnIdx];\r\n        var processedStatus = postProcessedRows[row][columnIdx]; // C=cleanup and re-render, R=rendered\r\n        if (m.asyncPostRender && processedStatus !== 'R'){\r\n          var node = cacheEntry.cellNodesByColumnIdx[columnIdx];\r\n          if (node){\r\n            m.asyncPostRender(node, row, getDataItem(row), m, (processedStatus === 'C'));\r\n          }\r\n          postProcessedRows[row][columnIdx] = 'R';\r\n        }\r\n      }\r\n\r\n      h_postrender = setTimeout(asyncPostProcessRows, options.asyncPostRenderDelay);\r\n      return;\r\n    }\r\n  }\r\n\r\n  function asyncPostProcessCleanupRows(){\r\n    if (postProcessedCleanupQueue.length > 0){\r\n      var groupId = postProcessedCleanupQueue[0].groupId;\r\n\r\n      // loop through all queue members with this groupID\r\n      while (postProcessedCleanupQueue.length > 0 && postProcessedCleanupQueue[0].groupId == groupId){\r\n        var entry = postProcessedCleanupQueue.shift();\r\n        if (entry.actionType == 'R'){\r\n          $(entry.node).remove();\r\n        }\r\n        if (entry.actionType == 'C'){\r\n          var column = columns[entry.columnIdx];\r\n          if (column.asyncPostRenderCleanup && entry.node){\r\n            // cleanup must also remove element\r\n            column.asyncPostRenderCleanup(entry.node, entry.rowIdx, column);\r\n          }\r\n        }\r\n      }\r\n\r\n      // call this function again after the specified delay\r\n      h_postrenderCleanup = setTimeout(asyncPostProcessCleanupRows, options.asyncPostRenderCleanupDelay);\r\n    }\r\n  }\r\n\r\n  function updateCellCssStylesOnRenderedRows(addedHash, removedHash){\r\n    var node, columnId, addedRowHash, removedRowHash;\r\n    for (var row in rowsCache){\r\n      removedRowHash = removedHash && removedHash[row];\r\n      addedRowHash = addedHash && addedHash[row];\r\n\r\n      if (removedRowHash){\r\n        for (columnId in removedRowHash){\r\n          if (!addedRowHash || removedRowHash[columnId] != addedRowHash[columnId]){\r\n            node = getCellNode(row, getColumnIndex(columnId));\r\n            if (node){\r\n              $(node).removeClass(removedRowHash[columnId]);\r\n            }\r\n          }\r\n        }\r\n      }\r\n\r\n      if (addedRowHash){\r\n        for (columnId in addedRowHash){\r\n          if (!removedRowHash || removedRowHash[columnId] != addedRowHash[columnId]){\r\n            node = getCellNode(row, getColumnIndex(columnId));\r\n            if (node){\r\n              $(node).addClass(addedRowHash[columnId]);\r\n            }\r\n          }\r\n        }\r\n      }\r\n    }\r\n  }\r\n\r\n  function addCellCssStyles(key, hash){\r\n    if (cellCssClasses[key]){\r\n      throw \"addCellCssStyles: cell CSS hash with key '\" + key + \"' already exists.\";\r\n    }\r\n\r\n    cellCssClasses[key] = hash;\r\n    updateCellCssStylesOnRenderedRows(hash, null);\r\n\r\n    trigger(self.onCellCssStylesChanged, {'key': key, 'hash': hash, 'grid': self});\r\n  }\r\n\r\n  function removeCellCssStyles(key){\r\n    if (!cellCssClasses[key]){\r\n      return;\r\n    }\r\n\r\n    updateCellCssStylesOnRenderedRows(null, cellCssClasses[key]);\r\n    delete cellCssClasses[key];\r\n\r\n    trigger(self.onCellCssStylesChanged, {'key': key, 'hash': null, 'grid': self});\r\n  }\r\n\r\n  function setCellCssStyles(key, hash){\r\n    var prevHash = cellCssClasses[key];\r\n\r\n    cellCssClasses[key] = hash;\r\n    updateCellCssStylesOnRenderedRows(hash, prevHash);\r\n\r\n    trigger(self.onCellCssStylesChanged, {'key': key, 'hash': hash, 'grid': self});\r\n  }\r\n\r\n  function getCellCssStyles(key){\r\n    return cellCssClasses[key];\r\n  }\r\n\r\n  function flashCell(row, cell, speed){\r\n    speed = speed || 100;\r\n    if (rowsCache[row]){\r\n      var $cell = $(getCellNode(row, cell));\r\n\r\n      function toggleCellClass(times){\r\n        if (!times){\r\n          return;\r\n        }\r\n        setTimeout(function(){\r\n          $cell.queue(function(){\r\n            $cell.toggleClass(options.cellFlashingCssClass).dequeue();\r\n            toggleCellClass(times - 1);\r\n          });\r\n        },\r\n          speed);\r\n      }\r\n\r\n      toggleCellClass(4);\r\n    }\r\n  }\r\n\r\n  // ////////////////////////////////////////////////////////////////////////////////////////////\r\n  // Interactivity\r\n\r\n  function handleMouseWheel(e){\r\n    var rowNode = $(e.target).closest('.slick-row')[0];\r\n    if (rowNode != rowNodeFromLastMouseWheelEvent){\r\n      if (zombieRowNodeFromLastMouseWheelEvent && zombieRowNodeFromLastMouseWheelEvent != rowNode){\r\n        if (options.enableAsyncPostRenderCleanup && zombieRowPostProcessedFromLastMouseWheelEvent){\r\n          queuePostProcessedRowForCleanup(zombieRowCacheFromLastMouseWheelEvent,\r\n            zombieRowPostProcessedFromLastMouseWheelEvent);\r\n        } else {\r\n          $canvas[0].removeChild(zombieRowNodeFromLastMouseWheelEvent);\r\n        }\r\n        zombieRowNodeFromLastMouseWheelEvent = null;\r\n        zombieRowCacheFromLastMouseWheelEvent = null;\r\n        zombieRowPostProcessedFromLastMouseWheelEvent = null;\r\n\r\n        if (options.enableAsyncPostRenderCleanup){\r\n          startPostProcessingCleanup();\r\n        }\r\n      }\r\n      rowNodeFromLastMouseWheelEvent = rowNode;\r\n    }\r\n  }\r\n\r\n  function handleDragStart(interactEvent){\r\n    var event = $.Event(interactEvent.originalEvent.type, interactEvent.originalEvent);\r\n    var cell = getCellFromEvent(event);\r\n    if (!cell || !cellExists(cell.row, cell.cell)){\r\n      return false;\r\n    }\r\n\r\n    var retval = trigger(self.onDragStart, interactEvent, event);\r\n    if (event.isImmediatePropagationStopped()){\r\n      return retval;\r\n    }\r\n\r\n    return false;\r\n  }\r\n\r\n  function handleDrag(interactEvent){\r\n    var event = $.Event(interactEvent.originalEvent.type, interactEvent.originalEvent);\r\n    return trigger(self.onDrag, interactEvent, event);\r\n  }\r\n\r\n  function handleDragEnd(interactEvent){\r\n    trigger(self.onDragEnd, interactEvent, $.Event('mousedown'));\r\n  }\r\n\r\n  function handleKeyDown(e){\r\n    trigger(self.onKeyDown, {row: activeRow, cell: activeCell, grid: self}, e);\r\n    var handled = e.isImmediatePropagationStopped();\r\n    var keyCode = Slick.keyCode;\r\n\r\n    if (!handled){\r\n      if (!e.shiftKey && !e.altKey && !e.ctrlKey){\r\n        // editor may specify an array of keys to bubble\r\n        if (options.editable && currentEditor && currentEditor.keyCaptureList){\r\n          if (currentEditor.keyCaptureList.indexOf(e.which) > -1){\r\n            return;\r\n          }\r\n        }\r\n        if (e.which == keyCode.ESCAPE){\r\n          if (!getEditorLock().isActive()){\r\n            return; // no editing mode to cancel, allow bubbling and default processing (exit without cancelling the event)\r\n          }\r\n          cancelEditAndSetFocus();\r\n        } else if (e.which == keyCode.PAGE_DOWN){\r\n          navigatePageDown();\r\n          handled = true;\r\n        } else if (e.which == keyCode.PAGE_UP){\r\n          navigatePageUp();\r\n          handled = true;\r\n        } else if (e.which == keyCode.LEFT){\r\n          handled = navigateLeft();\r\n        } else if (e.which == keyCode.RIGHT){\r\n          handled = navigateRight();\r\n        } else if (e.which == keyCode.UP){\r\n          handled = navigateUp();\r\n        } else if (e.which == keyCode.DOWN){\r\n          handled = navigateDown();\r\n        } else if (e.which == keyCode.TAB){\r\n          handled = navigateNext();\r\n        } else if (e.which == keyCode.ENTER){\r\n          if (options.editable){\r\n            if (currentEditor){\r\n              // adding new row\r\n              if (activeRow === getDataLength()){\r\n                navigateDown();\r\n              } else {\r\n                commitEditAndSetFocus();\r\n              }\r\n            } else {\r\n              if (getEditorLock().commitCurrentEdit()){\r\n                makeActiveCellEditable();\r\n              }\r\n            }\r\n          }\r\n          handled = true;\r\n        }\r\n      } else if (e.which == keyCode.TAB && e.shiftKey && !e.ctrlKey && !e.altKey){\r\n        handled = navigatePrev();\r\n      }\r\n    }\r\n\r\n    if (handled){\r\n      // the event has been handled so don't let parent element (bubbling/propagation) or browser (default) handle it\r\n      e.stopPropagation();\r\n      e.preventDefault();\r\n      try {\r\n        e.originalEvent.keyCode = 0; // prevent default behaviour for special keys in IE browsers (F3, F5, etc.)\r\n      }\r\n        // ignore exceptions - setting the original event's keycode throws access denied exception for \"Ctrl\"\r\n        // (hitting control key only, nothing else), \"Shift\" (maybe others)\r\n      catch (error){\r\n      }\r\n    }\r\n  }\r\n\r\n  function handleClick(e){\r\n    if (!currentEditor){\r\n      // if this click resulted in some cell child node getting focus,\r\n      // don't steal it back - keyboard events will still bubble up\r\n      // IE9+ seems to default DIVs to tabIndex=0 instead of -1, so check for cell clicks directly.\r\n      if (e.target != document.activeElement || $(e.target).hasClass('slick-cell')){\r\n        setFocus();\r\n      }\r\n    }\r\n\r\n    var cell = getCellFromEvent(e);\r\n    if (!cell || (currentEditor !== null && activeRow == cell.row && activeCell == cell.cell)){\r\n      return;\r\n    }\r\n\r\n    trigger(self.onClick, {row: cell.row, cell: cell.cell, grid: self}, e);\r\n    if (e.isImmediatePropagationStopped()){\r\n      return;\r\n    }\r\n\r\n    if ((activeCell != cell.cell || activeRow != cell.row) && canCellBeActive(cell.row, cell.cell)){\r\n      if (!getEditorLock().isActive() || getEditorLock().commitCurrentEdit()){\r\n        scrollRowIntoView(cell.row, false);\r\n        setActiveCellInternal(getCellNode(cell.row, cell.cell));\r\n      }\r\n    }\r\n  }\r\n\r\n  function handleContextMenu(e){\r\n    var $cell = $(e.target).closest('.slick-cell', $canvas);\r\n    if ($cell.length === 0){\r\n      return;\r\n    }\r\n\r\n    // are we editing this cell?\r\n    if (activeCellNode === $cell[0] && currentEditor !== null){\r\n      return;\r\n    }\r\n\r\n    trigger(self.onContextMenu, {grid: self}, e);\r\n  }\r\n\r\n  function handleDblClick(e){\r\n    var cell = getCellFromEvent(e);\r\n    if (!cell || (currentEditor !== null && activeRow == cell.row && activeCell == cell.cell)){\r\n      return;\r\n    }\r\n\r\n    trigger(self.onDblClick, {row: cell.row, cell: cell.cell, grid: self}, e);\r\n    if (e.isImmediatePropagationStopped()){\r\n      return;\r\n    }\r\n\r\n    if (options.editable){\r\n      gotoCell(cell.row, cell.cell, true);\r\n    }\r\n  }\r\n\r\n  function handleHeaderMouseEnter(e){\r\n    trigger(self.onHeaderMouseEnter, {\r\n      'column': $(this).data('column'),\r\n      'grid': self\r\n    }, e);\r\n  }\r\n\r\n  function handleHeaderMouseLeave(e){\r\n    trigger(self.onHeaderMouseLeave, {\r\n      'column': $(this).data('column'),\r\n      'grid': self\r\n    }, e);\r\n  }\r\n\r\n  function handleHeaderContextMenu(e){\r\n    var $header = $(e.target).closest('.slick-header-column', '.slick-header-columns');\r\n    var column = $header && $header.data('column');\r\n    trigger(self.onHeaderContextMenu, {column: column, grid: self}, e);\r\n  }\r\n\r\n  function handleHeaderClick(e){\r\n    var $header = $(e.target).closest('.slick-header-column', '.slick-header-columns');\r\n    var column = $header && $header.data('column');\r\n    if (column){\r\n      trigger(self.onHeaderClick, {column: column, grid: self}, e);\r\n    }\r\n  }\r\n\r\n  function handleMouseEnter(e){\r\n    trigger(self.onMouseEnter, {grid: self}, e);\r\n  }\r\n\r\n  function handleMouseLeave(e){\r\n    trigger(self.onMouseLeave, {grid: self}, e);\r\n  }\r\n\r\n  function cellExists(row, cell){\r\n    return !(row < 0 || row >= getDataLength() || cell < 0 || cell >= columns.length);\r\n  }\r\n\r\n  function getCellFromPoint(x, y){\r\n    var row = getRowFromPosition(y);\r\n    var cell = 0;\r\n\r\n    var w = 0;\r\n    for (var i = 0; i < columns.length && w < x; i++){\r\n      w += columns[i].width;\r\n      cell++;\r\n    }\r\n\r\n    if (cell < 0){\r\n      cell = 0;\r\n    }\r\n\r\n    return {row: row, cell: cell - 1};\r\n  }\r\n\r\n  function getCellFromNode(cellNode){\r\n    // read column number from .l<columnNumber> CSS class\r\n    var cls = /l\\d+/.exec(cellNode.className);\r\n    if (!cls){\r\n      throw 'getCellFromNode: cannot get cell - ' + cellNode.className;\r\n    }\r\n    return parseInt(cls[0].substr(1, cls[0].length - 1), 10);\r\n  }\r\n\r\n  function getRowFromNode(rowNode){\r\n    for (var row in rowsCache){\r\n      if (rowsCache[row].rowNode === rowNode){\r\n        return row | 0;\r\n      }\r\n    }\r\n\r\n    return null;\r\n  }\r\n\r\n  function getCellFromEvent(e){\r\n    var $cell = $(e.target).closest('.slick-cell', $canvas);\r\n    if (!$cell.length){\r\n      return null;\r\n    }\r\n\r\n    var row = getRowFromNode($cell[0].parentNode);\r\n    var cell = getCellFromNode($cell[0]);\r\n\r\n    if (row == null || cell == null){\r\n      return null;\r\n    } else {\r\n      return {\r\n        'row': row,\r\n        'cell': cell\r\n      };\r\n    }\r\n  }\r\n\r\n  function getCellNodeBox(row, cell){\r\n    if (!cellExists(row, cell)){\r\n      return null;\r\n    }\r\n\r\n    var y1 = getRowTop(row);\r\n    var y2 = y1 + options.rowHeight - 1;\r\n    var x1 = 0;\r\n    for (var i = 0; i < cell; i++){\r\n      x1 += columns[i].width;\r\n    }\r\n    var x2 = x1 + columns[cell].width;\r\n\r\n    return {\r\n      top: y1,\r\n      left: x1,\r\n      bottom: y2,\r\n      right: x2\r\n    };\r\n  }\r\n\r\n  // ////////////////////////////////////////////////////////////////////////////////////////////\r\n  // Cell switching\r\n\r\n  function resetActiveCell(){\r\n    setActiveCellInternal(null, false);\r\n  }\r\n\r\n  function setFocus(){\r\n    if (tabbingDirection == -1){\r\n      $focusSink[0].focus();\r\n    } else {\r\n      $focusSink2[0].focus();\r\n    }\r\n  }\r\n\r\n  function scrollCellIntoView(row, cell, doPaging){\r\n    scrollRowIntoView(row, doPaging);\r\n\r\n    var colspan = getColspan(row, cell);\r\n    var left = columnPosLeft[cell],\r\n      right = columnPosRight[cell + (colspan > 1 ? colspan - 1 : 0)],\r\n      scrollRight = scrollLeft + viewportW;\r\n\r\n    if (left < scrollLeft){\r\n      $viewport.scrollLeft(left);\r\n      handleScroll();\r\n      render();\r\n    } else if (right > scrollRight){\r\n      $viewport.scrollLeft(Math.min(left, right - $viewport[0].clientWidth));\r\n      handleScroll();\r\n      render();\r\n    }\r\n  }\r\n\r\n  function setActiveCellInternal(newCell, opt_editMode){\r\n    if (activeCellNode !== null){\r\n      makeActiveCellNormal();\r\n      $(activeCellNode).removeClass('active');\r\n      if (rowsCache[activeRow]){\r\n        $(rowsCache[activeRow].rowNode).removeClass('active');\r\n      }\r\n    }\r\n\r\n    var activeCellChanged = (activeCellNode !== newCell);\r\n    activeCellNode = newCell;\r\n\r\n    if (activeCellNode != null){\r\n      activeRow = getRowFromNode(activeCellNode.parentNode);\r\n      activeCell = activePosX = getCellFromNode(activeCellNode);\r\n\r\n      if (opt_editMode == null){\r\n        opt_editMode = (activeRow == getDataLength()) || options.autoEdit;\r\n      }\r\n\r\n      $(activeCellNode).addClass('active');\r\n      $(rowsCache[activeRow].rowNode).addClass('active');\r\n\r\n      if (options.editable && opt_editMode && isCellPotentiallyEditable(activeRow, activeCell)){\r\n        clearTimeout(h_editorLoader);\r\n\r\n        if (options.asyncEditorLoading){\r\n          h_editorLoader = setTimeout(function(){\r\n            makeActiveCellEditable();\r\n          }, options.asyncEditorLoadDelay);\r\n        } else {\r\n          makeActiveCellEditable();\r\n        }\r\n      }\r\n    } else {\r\n      activeRow = activeCell = null;\r\n    }\r\n\r\n    if (activeCellChanged){\r\n      trigger(self.onActiveCellChanged, getActiveCell());\r\n    }\r\n  }\r\n\r\n  function clearTextSelection(){\r\n    if (document.selection && document.selection.empty){\r\n      try {\r\n        // IE fails here if selected element is not in dom\r\n        document.selection.empty();\r\n      } catch (e){\r\n      }\r\n    } else if (window.getSelection){\r\n      var sel = window.getSelection();\r\n      if (sel && sel.removeAllRanges){\r\n        sel.removeAllRanges();\r\n      }\r\n    }\r\n  }\r\n\r\n  function isCellPotentiallyEditable(row, cell){\r\n    var dataLength = getDataLength();\r\n    // is the data for this row loaded?\r\n    if (row < dataLength && !getDataItem(row)){\r\n      return false;\r\n    }\r\n\r\n    // are we in the Add New row?  can we create new from this cell?\r\n    if (columns[cell].cannotTriggerInsert && row >= dataLength){\r\n      return false;\r\n    }\r\n\r\n    // does this cell have an editor?\r\n    if (!getEditor(row, cell)){\r\n      return false;\r\n    }\r\n\r\n    return true;\r\n  }\r\n\r\n  function makeActiveCellNormal(){\r\n    if (!currentEditor){\r\n      return;\r\n    }\r\n    trigger(self.onBeforeCellEditorDestroy, {editor: currentEditor, grid: self});\r\n    currentEditor.destroy();\r\n    currentEditor = null;\r\n\r\n    if (activeCellNode){\r\n      var d = getDataItem(activeRow);\r\n      $(activeCellNode).removeClass('editable invalid');\r\n      if (d){\r\n        var column = columns[activeCell];\r\n        var formatter = getFormatter(activeRow, column);\r\n        activeCellNode.innerHTML = formatter(activeRow, activeCell, getDataItemValueForColumn(d, column), column, d, self);\r\n        invalidatePostProcessingResults(activeRow);\r\n      }\r\n    }\r\n\r\n    // if there previously was text selected on a page (such as selected text in the edit cell just removed),\r\n    // IE can't set focus to anything else correctly\r\n    if (navigator.userAgent.toLowerCase().match(/msie/)){\r\n      clearTextSelection();\r\n    }\r\n\r\n    getEditorLock().deactivate(editController);\r\n  }\r\n\r\n  function makeActiveCellEditable(editor){\r\n    if (!activeCellNode){\r\n      return;\r\n    }\r\n    if (!options.editable){\r\n      throw 'Grid : makeActiveCellEditable : should never get called when options.editable is false';\r\n    }\r\n\r\n    // cancel pending async call if there is one\r\n    clearTimeout(h_editorLoader);\r\n\r\n    if (!isCellPotentiallyEditable(activeRow, activeCell)){\r\n      return;\r\n    }\r\n\r\n    var columnDef = columns[activeCell];\r\n    var item = getDataItem(activeRow);\r\n\r\n    if (trigger(self.onBeforeEditCell, {\r\n      row: activeRow,\r\n      cell: activeCell,\r\n      item: item,\r\n      column: columnDef,\r\n      grid: self\r\n    }) === false){\r\n      setFocus();\r\n      return;\r\n    }\r\n\r\n    getEditorLock().activate(editController);\r\n    $(activeCellNode).addClass('editable');\r\n\r\n    var useEditor = editor || getEditor(activeRow, activeCell);\r\n\r\n    // don't clear the cell if a custom editor is passed through\r\n    if (!editor && !useEditor.suppressClearOnEdit){\r\n      activeCellNode.innerHTML = '';\r\n    }\r\n\r\n    currentEditor = new useEditor({\r\n      grid: self,\r\n      gridPosition: absBox($container[0]),\r\n      position: absBox(activeCellNode),\r\n      container: activeCellNode,\r\n      column: columnDef,\r\n      item: item || {},\r\n      commitChanges: commitEditAndSetFocus,\r\n      cancelChanges: cancelEditAndSetFocus\r\n    });\r\n\r\n    if (item){\r\n      currentEditor.loadValue(item);\r\n    }\r\n\r\n    serializedEditorValue = currentEditor.serializeValue();\r\n\r\n    if (currentEditor.position){\r\n      handleActiveCellPositionChange();\r\n    }\r\n  }\r\n\r\n  function commitEditAndSetFocus(){\r\n    // if the commit fails, it would do so due to a validation error\r\n    // if so, do not steal the focus from the editor\r\n    if (getEditorLock().commitCurrentEdit()){\r\n      setFocus();\r\n      if (options.autoEdit){\r\n        navigateDown();\r\n      }\r\n    }\r\n  }\r\n\r\n  function cancelEditAndSetFocus(){\r\n    if (getEditorLock().cancelCurrentEdit()){\r\n      setFocus();\r\n    }\r\n  }\r\n\r\n  function absBox(elem){\r\n    var box = {\r\n      top: elem.offsetTop,\r\n      left: elem.offsetLeft,\r\n      bottom: 0,\r\n      right: 0,\r\n      width: $(elem).outerWidth(),\r\n      height: $(elem).outerHeight(),\r\n      visible: true\r\n    };\r\n    box.bottom = box.top + box.height;\r\n    box.right = box.left + box.width;\r\n\r\n    // walk up the tree\r\n    var offsetParent = elem.offsetParent;\r\n    while ((elem = elem.parentNode) != document.body){\r\n      if (elem == null) break;\r\n\r\n      if (box.visible && elem.scrollHeight != elem.offsetHeight && $(elem).css('overflowY') != 'visible'){\r\n        box.visible = box.bottom > elem.scrollTop && box.top < elem.scrollTop + elem.clientHeight;\r\n      }\r\n\r\n      if (box.visible && elem.scrollWidth != elem.offsetWidth && $(elem).css('overflowX') != 'visible'){\r\n        box.visible = box.right > elem.scrollLeft && box.left < elem.scrollLeft + elem.clientWidth;\r\n      }\r\n\r\n      box.left -= elem.scrollLeft;\r\n      box.top -= elem.scrollTop;\r\n\r\n      if (elem === offsetParent){\r\n        box.left += elem.offsetLeft;\r\n        box.top += elem.offsetTop;\r\n        offsetParent = elem.offsetParent;\r\n      }\r\n\r\n      box.bottom = box.top + box.height;\r\n      box.right = box.left + box.width;\r\n    }\r\n\r\n    return box;\r\n  }\r\n\r\n  function getActiveCellPosition(){\r\n    return absBox(activeCellNode);\r\n  }\r\n\r\n  function getGridPosition(){\r\n    return absBox($container[0]);\r\n  }\r\n\r\n  function handleActiveCellPositionChange(){\r\n    if (!activeCellNode){\r\n      return;\r\n    }\r\n\r\n    trigger(self.onActiveCellPositionChanged, {grid: self});\r\n\r\n    if (currentEditor){\r\n      var cellBox = getActiveCellPosition();\r\n      if (currentEditor.show && currentEditor.hide){\r\n        if (!cellBox.visible){\r\n          currentEditor.hide();\r\n        } else {\r\n          currentEditor.show();\r\n        }\r\n      }\r\n\r\n      if (currentEditor.position){\r\n        currentEditor.position(cellBox);\r\n      }\r\n    }\r\n  }\r\n\r\n  function getCellEditor(){\r\n    return currentEditor;\r\n  }\r\n\r\n  function getActiveCell(){\r\n    if (!activeCellNode){\r\n      return null;\r\n    } else {\r\n      return {row: activeRow, cell: activeCell, grid: self};\r\n    }\r\n  }\r\n\r\n  function getActiveCellNode(){\r\n    return activeCellNode;\r\n  }\r\n\r\n  function scrollRowIntoView(row, doPaging){\r\n    var rowAtTop = row * options.rowHeight;\r\n    var rowAtBottom = (row + 1) * options.rowHeight - viewportH + (viewportHasHScroll ? scrollbarDimensions.height : 0);\r\n\r\n    // need to page down?\r\n    if ((row + 1) * options.rowHeight > scrollTop + viewportH + offset){\r\n      scrollTo(doPaging ? rowAtTop : rowAtBottom);\r\n      render();\r\n    }\r\n    // or page up?\r\n    else if (row * options.rowHeight < scrollTop + offset){\r\n      scrollTo(doPaging ? rowAtBottom : rowAtTop);\r\n      render();\r\n    }\r\n  }\r\n\r\n  function scrollRowToTop(row){\r\n    scrollTo(row * options.rowHeight);\r\n    render();\r\n  }\r\n\r\n  function scrollPage(dir){\r\n    var deltaRows = dir * numVisibleRows;\r\n    scrollTo((getRowFromPosition(scrollTop) + deltaRows) * options.rowHeight);\r\n    render();\r\n\r\n    if (options.enableCellNavigation && activeRow != null){\r\n      var row = activeRow + deltaRows;\r\n      var dataLengthIncludingAddNew = getDataLengthIncludingAddNew();\r\n      if (row >= dataLengthIncludingAddNew){\r\n        row = dataLengthIncludingAddNew - 1;\r\n      }\r\n      if (row < 0){\r\n        row = 0;\r\n      }\r\n\r\n      var cell = 0, prevCell = null;\r\n      var prevActivePosX = activePosX;\r\n      while (cell <= activePosX){\r\n        if (canCellBeActive(row, cell)){\r\n          prevCell = cell;\r\n        }\r\n        cell += getColspan(row, cell);\r\n      }\r\n\r\n      if (prevCell !== null){\r\n        setActiveCellInternal(getCellNode(row, prevCell));\r\n        activePosX = prevActivePosX;\r\n      } else {\r\n        resetActiveCell();\r\n      }\r\n    }\r\n  }\r\n\r\n  function navigatePageDown(){\r\n    scrollPage(1);\r\n  }\r\n\r\n  function navigatePageUp(){\r\n    scrollPage(-1);\r\n  }\r\n\r\n  function getColspan(row, cell){\r\n    var metadata = data.getItemMetadata && data.getItemMetadata(row);\r\n    if (!metadata || !metadata.columns){\r\n      return 1;\r\n    }\r\n\r\n    var columnData = metadata.columns[columns[cell].id] || metadata.columns[cell];\r\n    var colspan = (columnData && columnData.colspan);\r\n    if (colspan === '*'){\r\n      colspan = columns.length - cell;\r\n    } else {\r\n      colspan = colspan || 1;\r\n    }\r\n\r\n    return colspan;\r\n  }\r\n\r\n  function findFirstFocusableCell(row){\r\n    var cell = 0;\r\n    while (cell < columns.length){\r\n      if (canCellBeActive(row, cell)){\r\n        return cell;\r\n      }\r\n      cell += getColspan(row, cell);\r\n    }\r\n    return null;\r\n  }\r\n\r\n  function findLastFocusableCell(row){\r\n    var cell = 0;\r\n    var lastFocusableCell = null;\r\n    while (cell < columns.length){\r\n      if (canCellBeActive(row, cell)){\r\n        lastFocusableCell = cell;\r\n      }\r\n      cell += getColspan(row, cell);\r\n    }\r\n    return lastFocusableCell;\r\n  }\r\n\r\n  function gotoRight(row, cell, posX){\r\n    if (cell >= columns.length){\r\n      return null;\r\n    }\r\n\r\n    do {\r\n      cell += getColspan(row, cell);\r\n    }\r\n    while (cell < columns.length && !canCellBeActive(row, cell));\r\n\r\n    if (cell < columns.length){\r\n      return {\r\n        'row': row,\r\n        'cell': cell,\r\n        'posX': cell\r\n      };\r\n    }\r\n    return null;\r\n  }\r\n\r\n  function gotoLeft(row, cell, posX){\r\n    if (cell <= 0){\r\n      return null;\r\n    }\r\n\r\n    var firstFocusableCell = findFirstFocusableCell(row);\r\n    if (firstFocusableCell === null || firstFocusableCell >= cell){\r\n      return null;\r\n    }\r\n\r\n    var prev = {\r\n      'row': row,\r\n      'cell': firstFocusableCell,\r\n      'posX': firstFocusableCell\r\n    };\r\n    var pos;\r\n    while (true){\r\n      pos = gotoRight(prev.row, prev.cell, prev.posX);\r\n      if (!pos){\r\n        return null;\r\n      }\r\n      if (pos.cell >= cell){\r\n        return prev;\r\n      }\r\n      prev = pos;\r\n    }\r\n  }\r\n\r\n  function gotoDown(row, cell, posX){\r\n    var prevCell;\r\n    var dataLengthIncludingAddNew = getDataLengthIncludingAddNew();\r\n    while (true){\r\n      if (++row >= dataLengthIncludingAddNew){\r\n        return null;\r\n      }\r\n\r\n      prevCell = cell = 0;\r\n      while (cell <= posX){\r\n        prevCell = cell;\r\n        cell += getColspan(row, cell);\r\n      }\r\n\r\n      if (canCellBeActive(row, prevCell)){\r\n        return {\r\n          'row': row,\r\n          'cell': prevCell,\r\n          'posX': posX\r\n        };\r\n      }\r\n    }\r\n  }\r\n\r\n  function gotoUp(row, cell, posX){\r\n    var prevCell;\r\n    while (true){\r\n      if (--row < 0){\r\n        return null;\r\n      }\r\n\r\n      prevCell = cell = 0;\r\n      while (cell <= posX){\r\n        prevCell = cell;\r\n        cell += getColspan(row, cell);\r\n      }\r\n\r\n      if (canCellBeActive(row, prevCell)){\r\n        return {\r\n          'row': row,\r\n          'cell': prevCell,\r\n          'posX': posX\r\n        };\r\n      }\r\n    }\r\n  }\r\n\r\n  function gotoNext(row, cell, posX){\r\n    if (row == null && cell == null){\r\n      row = cell = posX = 0;\r\n      if (canCellBeActive(row, cell)){\r\n        return {\r\n          'row': row,\r\n          'cell': cell,\r\n          'posX': cell\r\n        };\r\n      }\r\n    }\r\n\r\n    var pos = gotoRight(row, cell, posX);\r\n    if (pos){\r\n      return pos;\r\n    }\r\n\r\n    var firstFocusableCell = null;\r\n    var dataLengthIncludingAddNew = getDataLengthIncludingAddNew();\r\n    while (++row < dataLengthIncludingAddNew){\r\n      firstFocusableCell = findFirstFocusableCell(row);\r\n      if (firstFocusableCell !== null){\r\n        return {\r\n          'row': row,\r\n          'cell': firstFocusableCell,\r\n          'posX': firstFocusableCell\r\n        };\r\n      }\r\n    }\r\n    return null;\r\n  }\r\n\r\n  function gotoPrev(row, cell, posX){\r\n    if (row == null && cell == null){\r\n      row = getDataLengthIncludingAddNew() - 1;\r\n      cell = posX = columns.length - 1;\r\n      if (canCellBeActive(row, cell)){\r\n        return {\r\n          'row': row,\r\n          'cell': cell,\r\n          'posX': cell\r\n        };\r\n      }\r\n    }\r\n\r\n    var pos;\r\n    var lastSelectableCell;\r\n    while (!pos){\r\n      pos = gotoLeft(row, cell, posX);\r\n      if (pos){\r\n        break;\r\n      }\r\n      if (--row < 0){\r\n        return null;\r\n      }\r\n\r\n      cell = 0;\r\n      lastSelectableCell = findLastFocusableCell(row);\r\n      if (lastSelectableCell !== null){\r\n        pos = {\r\n          'row': row,\r\n          'cell': lastSelectableCell,\r\n          'posX': lastSelectableCell\r\n        };\r\n      }\r\n    }\r\n    return pos;\r\n  }\r\n\r\n  function navigateRight(){\r\n    return navigate('right');\r\n  }\r\n\r\n  function navigateLeft(){\r\n    return navigate('left');\r\n  }\r\n\r\n  function navigateDown(){\r\n    return navigate('down');\r\n  }\r\n\r\n  function navigateUp(){\r\n    return navigate('up');\r\n  }\r\n\r\n  function navigateNext(){\r\n    return navigate('next');\r\n  }\r\n\r\n  function navigatePrev(){\r\n    return navigate('prev');\r\n  }\r\n\r\n  /**\r\n   * @param {string} dir Navigation direction.\r\n   * @return {boolean} Whether navigation resulted in a change of active cell.\r\n   */\r\n  function navigate(dir){\r\n    if (!options.enableCellNavigation){\r\n      return false;\r\n    }\r\n\r\n    if (!activeCellNode && dir != 'prev' && dir != 'next'){\r\n      return false;\r\n    }\r\n\r\n    if (!getEditorLock().commitCurrentEdit()){\r\n      return true;\r\n    }\r\n    setFocus();\r\n\r\n    var tabbingDirections = {\r\n      'up': -1,\r\n      'down': 1,\r\n      'left': -1,\r\n      'right': 1,\r\n      'prev': -1,\r\n      'next': 1\r\n    };\r\n    tabbingDirection = tabbingDirections[dir];\r\n\r\n    var stepFunctions = {\r\n      'up': gotoUp,\r\n      'down': gotoDown,\r\n      'left': gotoLeft,\r\n      'right': gotoRight,\r\n      'prev': gotoPrev,\r\n      'next': gotoNext\r\n    };\r\n    var stepFn = stepFunctions[dir];\r\n    var pos = stepFn(activeRow, activeCell, activePosX);\r\n    if (pos){\r\n      var isAddNewRow = (pos.row == getDataLength());\r\n      scrollCellIntoView(pos.row, pos.cell, !isAddNewRow);\r\n      setActiveCellInternal(getCellNode(pos.row, pos.cell));\r\n      activePosX = pos.posX;\r\n      return true;\r\n    } else {\r\n      setActiveCellInternal(getCellNode(activeRow, activeCell));\r\n      return false;\r\n    }\r\n  }\r\n\r\n  function getCellNode(row, cell){\r\n    if (rowsCache[row]){\r\n      ensureCellNodesInRowsCache(row);\r\n      return rowsCache[row].cellNodesByColumnIdx[cell];\r\n    }\r\n    return null;\r\n  }\r\n\r\n  function setActiveCell(row, cell){\r\n    if (!initialized){\r\n      return;\r\n    }\r\n    if (row > getDataLength() || row < 0 || cell >= columns.length || cell < 0){\r\n      return;\r\n    }\r\n\r\n    if (!options.enableCellNavigation){\r\n      return;\r\n    }\r\n\r\n    scrollCellIntoView(row, cell, false);\r\n    setActiveCellInternal(getCellNode(row, cell), false);\r\n  }\r\n\r\n  function canCellBeActive(row, cell){\r\n    if (!options.enableCellNavigation || row >= getDataLengthIncludingAddNew() ||\r\n      row < 0 || cell >= columns.length || cell < 0){\r\n      return false;\r\n    }\r\n\r\n    var rowMetadata = data.getItemMetadata && data.getItemMetadata(row);\r\n    if (rowMetadata && typeof rowMetadata.focusable === 'boolean'){\r\n      return rowMetadata.focusable;\r\n    }\r\n\r\n    var columnMetadata = rowMetadata && rowMetadata.columns;\r\n    if (columnMetadata && columnMetadata[columns[cell].id] && typeof columnMetadata[columns[cell].id].focusable === 'boolean'){\r\n      return columnMetadata[columns[cell].id].focusable;\r\n    }\r\n    if (columnMetadata && columnMetadata[cell] && typeof columnMetadata[cell].focusable === 'boolean'){\r\n      return columnMetadata[cell].focusable;\r\n    }\r\n\r\n    return columns[cell].focusable;\r\n  }\r\n\r\n  function canCellBeSelected(row, cell){\r\n    if (row >= getDataLength() || row < 0 || cell >= columns.length || cell < 0){\r\n      return false;\r\n    }\r\n\r\n    var rowMetadata = data.getItemMetadata && data.getItemMetadata(row);\r\n    if (rowMetadata && typeof rowMetadata.selectable === 'boolean'){\r\n      return rowMetadata.selectable;\r\n    }\r\n\r\n    var columnMetadata = rowMetadata && rowMetadata.columns && (rowMetadata.columns[columns[cell].id] || rowMetadata.columns[cell]);\r\n    if (columnMetadata && typeof columnMetadata.selectable === 'boolean'){\r\n      return columnMetadata.selectable;\r\n    }\r\n\r\n    return columns[cell].selectable;\r\n  }\r\n\r\n  function gotoCell(row, cell, forceEdit){\r\n    if (!initialized){\r\n      return;\r\n    }\r\n    if (!canCellBeActive(row, cell)){\r\n      return;\r\n    }\r\n\r\n    if (!getEditorLock().commitCurrentEdit()){\r\n      return;\r\n    }\r\n\r\n    scrollCellIntoView(row, cell, false);\r\n\r\n    var newCell = getCellNode(row, cell);\r\n\r\n    // if selecting the 'add new' row, start editing right away\r\n    setActiveCellInternal(newCell, forceEdit || (row === getDataLength()) || options.autoEdit);\r\n\r\n    // if no editor was created, set the focus back on the grid\r\n    if (!currentEditor){\r\n      setFocus();\r\n    }\r\n  }\r\n\r\n  // ////////////////////////////////////////////////////////////////////////////////////////////\r\n  // IEditor implementation for the editor lock\r\n\r\n  function commitCurrentEdit(){\r\n    var item = getDataItem(activeRow);\r\n    var column = columns[activeCell];\r\n\r\n    if (currentEditor){\r\n      if (currentEditor.isValueChanged()){\r\n        var validationResults = currentEditor.validate();\r\n\r\n        if (validationResults.valid){\r\n          if (activeRow < getDataLength()){\r\n            var editCommand = {\r\n              row: activeRow,\r\n              cell: activeCell,\r\n              editor: currentEditor,\r\n              serializedValue: currentEditor.serializeValue(),\r\n              prevSerializedValue: serializedEditorValue,\r\n              execute: function(){\r\n                this.editor.applyValue(item, this.serializedValue);\r\n                updateRow(this.row);\r\n                trigger(self.onCellChange, {\r\n                  row: activeRow,\r\n                  cell: activeCell,\r\n                  item: item,\r\n                  grid: self\r\n                });\r\n              },\r\n              undo: function(){\r\n                this.editor.applyValue(item, this.prevSerializedValue);\r\n                updateRow(this.row);\r\n                trigger(self.onCellChange, {\r\n                  row: activeRow,\r\n                  cell: activeCell,\r\n                  item: item,\r\n                  grid: self\r\n                });\r\n              }\r\n            };\r\n\r\n            if (options.editCommandHandler){\r\n              makeActiveCellNormal();\r\n              options.editCommandHandler(item, column, editCommand);\r\n            } else {\r\n              editCommand.execute();\r\n              makeActiveCellNormal();\r\n            }\r\n          } else {\r\n            var newItem = {};\r\n            currentEditor.applyValue(newItem, currentEditor.serializeValue());\r\n            makeActiveCellNormal();\r\n            trigger(self.onAddNewRow, {item: newItem, column: column, grid: self});\r\n          }\r\n\r\n          // check whether the lock has been re-acquired by event handlers\r\n          return !getEditorLock().isActive();\r\n        } else {\r\n          // Re-add the CSS class to trigger transitions, if any.\r\n          $(activeCellNode).removeClass('invalid');\r\n          $(activeCellNode).width();  // force layout\r\n          $(activeCellNode).addClass('invalid');\r\n\r\n          trigger(self.onValidationError, {\r\n            editor: currentEditor,\r\n            cellNode: activeCellNode,\r\n            validationResults: validationResults,\r\n            row: activeRow,\r\n            cell: activeCell,\r\n            column: column,\r\n            grid: self\r\n          });\r\n\r\n          currentEditor.focus();\r\n          return false;\r\n        }\r\n      }\r\n\r\n      makeActiveCellNormal();\r\n    }\r\n    return true;\r\n  }\r\n\r\n  function cancelCurrentEdit(){\r\n    makeActiveCellNormal();\r\n    return true;\r\n  }\r\n\r\n  function rowsToRanges(rows){\r\n    var ranges = [];\r\n    var lastCell = columns.length - 1;\r\n    for (var i = 0; i < rows.length; i++){\r\n      ranges.push(new Slick.Range(rows[i], 0, rows[i], lastCell));\r\n    }\r\n    return ranges;\r\n  }\r\n\r\n  function getSelectedRows(){\r\n    if (!selectionModel){\r\n      throw 'Selection model is not set';\r\n    }\r\n    return selectedRows;\r\n  }\r\n\r\n  function setSelectedRows(rows){\r\n    if (!selectionModel){\r\n      throw 'Selection model is not set';\r\n    }\r\n    selectionModel.setSelectedRanges(rowsToRanges(rows));\r\n  }\r\n\r\n  // ////////////////////////////////////////////////////////////////////////////////////////////\r\n  // Debug\r\n\r\n  this.debug = function(){\r\n    var s = '';\r\n\r\n    s += ('\\n' + 'counter_rows_rendered:  ' + counter_rows_rendered);\r\n    s += ('\\n' + 'counter_rows_removed:  ' + counter_rows_removed);\r\n    s += ('\\n' + 'renderedRows:  ' + renderedRows);\r\n    s += ('\\n' + 'numVisibleRows:  ' + numVisibleRows);\r\n    s += ('\\n' + 'maxSupportedCssHeight:  ' + maxSupportedCssHeight);\r\n    s += ('\\n' + 'n(umber of pages):  ' + n);\r\n    s += ('\\n' + '(current) page:  ' + page);\r\n    s += ('\\n' + 'page height (ph):  ' + ph);\r\n    s += ('\\n' + 'vScrollDir:  ' + vScrollDir);\r\n\r\n    alert(s);\r\n  };\r\n\r\n  // a debug helper to be able to access private members\r\n  this.eval = function(expr){\r\n    return eval(expr);\r\n  };\r\n\r\n  // ////////////////////////////////////////////////////////////////////////////////////////////\r\n  // Public API\r\n\r\n  $.extend(this, {\r\n    'slickGridVersion': '2.2.4',\r\n\r\n    // Events\r\n    'onScroll': new Slick.Event(),\r\n    'onSort': new Slick.Event(),\r\n    'onHeaderMouseEnter': new Slick.Event(),\r\n    'onHeaderMouseLeave': new Slick.Event(),\r\n    'onHeaderContextMenu': new Slick.Event(),\r\n    'onHeaderClick': new Slick.Event(),\r\n    'onHeaderCellRendered': new Slick.Event(),\r\n    'onBeforeHeaderCellDestroy': new Slick.Event(),\r\n    'onHeaderRowCellRendered': new Slick.Event(),\r\n    'onFooterRowCellRendered': new Slick.Event(),\r\n    'onBeforeHeaderRowCellDestroy': new Slick.Event(),\r\n    'onBeforeFooterRowCellDestroy': new Slick.Event(),\r\n    'onMouseEnter': new Slick.Event(),\r\n    'onMouseLeave': new Slick.Event(),\r\n    'onClick': new Slick.Event(),\r\n    'onDblClick': new Slick.Event(),\r\n    'onContextMenu': new Slick.Event(),\r\n    'onKeyDown': new Slick.Event(),\r\n    'onAddNewRow': new Slick.Event(),\r\n    'onValidationError': new Slick.Event(),\r\n    'onViewportChanged': new Slick.Event(),\r\n    'onColumnsReordered': new Slick.Event(),\r\n    'onColumnsResized': new Slick.Event(),\r\n    'onCellChange': new Slick.Event(),\r\n    'onBeforeEditCell': new Slick.Event(),\r\n    'onBeforeCellEditorDestroy': new Slick.Event(),\r\n    'onBeforeDestroy': new Slick.Event(),\r\n    'onActiveCellChanged': new Slick.Event(),\r\n    'onActiveCellPositionChanged': new Slick.Event(),\r\n    'onDragInit': new Slick.Event(),\r\n    'onDragStart': new Slick.Event(),\r\n    'onDrag': new Slick.Event(),\r\n    'onDragEnd': new Slick.Event(),\r\n    'onSelectedRowsChanged': new Slick.Event(),\r\n    'onCellCssStylesChanged': new Slick.Event(),\r\n\r\n    // Methods\r\n    'registerPlugin': registerPlugin,\r\n    'unregisterPlugin': unregisterPlugin,\r\n    'getColumns': getColumns,\r\n    'setColumns': setColumns,\r\n    'getColumnIndex': getColumnIndex,\r\n    'updateColumnHeader': updateColumnHeader,\r\n    'setSortColumn': setSortColumn,\r\n    'setSortColumns': setSortColumns,\r\n    'getSortColumns': getSortColumns,\r\n    'autosizeColumns': autosizeColumns,\r\n    'getOptions': getOptions,\r\n    'setOptions': setOptions,\r\n    'getData': getData,\r\n    'getDataLength': getDataLength,\r\n    'getDataItem': getDataItem,\r\n    'setData': setData,\r\n    'getSelectionModel': getSelectionModel,\r\n    'setSelectionModel': setSelectionModel,\r\n    'getSelectedRows': getSelectedRows,\r\n    'setSelectedRows': setSelectedRows,\r\n    'getContainerNode': getContainerNode,\r\n\r\n    'render': render,\r\n    'invalidate': invalidate,\r\n    'invalidateRow': invalidateRow,\r\n    'invalidateRows': invalidateRows,\r\n    'invalidateAllRows': invalidateAllRows,\r\n    'updateCell': updateCell,\r\n    'updateRow': updateRow,\r\n    'getViewport': getVisibleRange,\r\n    'getRenderedRange': getRenderedRange,\r\n    'resizeCanvas': resizeCanvas,\r\n    'updateRowCount': updateRowCount,\r\n    'scrollRowIntoView': scrollRowIntoView,\r\n    'scrollRowToTop': scrollRowToTop,\r\n    'scrollCellIntoView': scrollCellIntoView,\r\n    'getCanvasNode': getCanvasNode,\r\n    'focus': setFocus,\r\n\r\n    'getCellFromPoint': getCellFromPoint,\r\n    'getCellFromEvent': getCellFromEvent,\r\n    'getActiveCell': getActiveCell,\r\n    'setActiveCell': setActiveCell,\r\n    'getActiveCellNode': getActiveCellNode,\r\n    'getActiveCellPosition': getActiveCellPosition,\r\n    'resetActiveCell': resetActiveCell,\r\n    'editActiveCell': makeActiveCellEditable,\r\n    'getCellEditor': getCellEditor,\r\n    'getCellNode': getCellNode,\r\n    'getCellNodeBox': getCellNodeBox,\r\n    'canCellBeSelected': canCellBeSelected,\r\n    'canCellBeActive': canCellBeActive,\r\n    'navigatePrev': navigatePrev,\r\n    'navigateNext': navigateNext,\r\n    'navigateUp': navigateUp,\r\n    'navigateDown': navigateDown,\r\n    'navigateLeft': navigateLeft,\r\n    'navigateRight': navigateRight,\r\n    'navigatePageUp': navigatePageUp,\r\n    'navigatePageDown': navigatePageDown,\r\n    'gotoCell': gotoCell,\r\n    'getTopPanel': getTopPanel,\r\n    'setTopPanelVisibility': setTopPanelVisibility,\r\n    'setHeaderRowVisibility': setHeaderRowVisibility,\r\n    'getHeaderRow': getHeaderRow,\r\n    'getHeaderRowColumn': getHeaderRowColumn,\r\n    'setFooterRowVisibility': setFooterRowVisibility,\r\n    'getFooterRow': getFooterRow,\r\n    'getFooterRowColumn': getFooterRowColumn,\r\n    'getGridPosition': getGridPosition,\r\n    'flashCell': flashCell,\r\n    'addCellCssStyles': addCellCssStyles,\r\n    'setCellCssStyles': setCellCssStyles,\r\n    'removeCellCssStyles': removeCellCssStyles,\r\n    'getCellCssStyles': getCellCssStyles,\r\n\r\n    'init': finishInitialization,\r\n    'destroy': destroy,\r\n\r\n    // IEditor implementation\r\n    'getEditorLock': getEditorLock,\r\n    'getEditController': getEditController\r\n  });\r\n\r\n  init();\r\n}\r\n\n\n\n// WEBPACK FOOTER //\n// ../src/slick.grid.js","import $      from 'jquery';\r\nimport Slick  from './slick.core';\r\n\r\nexport default GroupItemMetadataProvider;\r\n\r\n/***\r\n * Provides item metadata for group (Slick.Group) and totals (Slick.Totals) rows produced by the DataView.\r\n * This metadata overrides the default behavior and formatting of those rows so that they appear and function\r\n * correctly when processed by the grid.\r\n *\r\n * This class also acts as a grid plugin providing event handlers to expand & collapse groups.\r\n * If \"grid.registerPlugin(...)\" is not called, expand & collapse will not work.\r\n *\r\n * @class GroupItemMetadataProvider\r\n * @module Data\r\n * @namespace Slick.Data\r\n * @constructor\r\n * @param options\r\n */\r\nfunction GroupItemMetadataProvider(options){\r\n  let _grid;\r\n  let _defaults = {\r\n    groupCssClass: \"slick-group\",\r\n    groupTitleCssClass: \"slick-group-title\",\r\n    totalsCssClass: \"slick-group-totals\",\r\n    groupFocusable: true,\r\n    totalsFocusable: false,\r\n    toggleCssClass: \"slick-group-toggle\",\r\n    toggleExpandedCssClass: \"expanded\",\r\n    toggleCollapsedCssClass: \"collapsed\",\r\n    enableExpandCollapse: true,\r\n    groupFormatter: defaultGroupCellFormatter,\r\n    totalsFormatter: defaultTotalsCellFormatter\r\n  };\r\n\r\n  options = $.extend(true, {}, _defaults, options);\r\n\r\n  function defaultGroupCellFormatter(row, cell, value, columnDef, item){\r\n    if (!options.enableExpandCollapse){\r\n      return item.title;\r\n    }\r\n\r\n    let indentation = item.level * 15 + \"px\";\r\n\r\n    return \"<span class='\" + options.toggleCssClass + \" \" +\r\n      (item.collapsed ? options.toggleCollapsedCssClass : options.toggleExpandedCssClass) +\r\n      \"' style='margin-left:\" + indentation + \"'>\" +\r\n      \"</span>\" +\r\n      \"<span class='\" + options.groupTitleCssClass + \"' level='\" + item.level + \"'>\" +\r\n      item.title +\r\n      \"</span>\";\r\n  }\r\n\r\n  function defaultTotalsCellFormatter(row, cell, value, columnDef, item){\r\n    return (columnDef.groupTotalsFormatter && columnDef.groupTotalsFormatter(item, columnDef)) || \"\";\r\n  }\r\n\r\n  function init(grid){\r\n    _grid = grid;\r\n    _grid.onClick.subscribe(handleGridClick);\r\n    _grid.onKeyDown.subscribe(handleGridKeyDown);\r\n  }\r\n\r\n  function destroy(){\r\n    if (_grid){\r\n      _grid.onClick.unsubscribe(handleGridClick);\r\n      _grid.onKeyDown.unsubscribe(handleGridKeyDown);\r\n    }\r\n  }\r\n\r\n  function handleGridClick(e, args){\r\n    let item = this.getDataItem(args.row);\r\n    if (item && item instanceof Slick.Group && $(e.target).hasClass(options.toggleCssClass)){\r\n      let range = _grid.getRenderedRange();\r\n      this.getData().setRefreshHints({\r\n        ignoreDiffsBefore: range.top,\r\n        ignoreDiffsAfter: range.bottom + 1\r\n      });\r\n\r\n      if (item.collapsed){\r\n        this.getData().expandGroup(item.groupingKey);\r\n      } else {\r\n        this.getData().collapseGroup(item.groupingKey);\r\n      }\r\n\r\n      e.stopImmediatePropagation();\r\n      e.preventDefault();\r\n    }\r\n  }\r\n\r\n  // TODO:  add -/+ handling\r\n  function handleGridKeyDown(e){\r\n    if (options.enableExpandCollapse && (e.which == Slick.keyCode.SPACE)){\r\n      let activeCell = this.getActiveCell();\r\n      if (activeCell){\r\n        let item = this.getDataItem(activeCell.row);\r\n        if (item && item instanceof Slick.Group){\r\n          let range = _grid.getRenderedRange();\r\n          this.getData().setRefreshHints({\r\n            ignoreDiffsBefore: range.top,\r\n            ignoreDiffsAfter: range.bottom + 1\r\n          });\r\n\r\n          if (item.collapsed){\r\n            this.getData().expandGroup(item.groupingKey);\r\n          } else {\r\n            this.getData().collapseGroup(item.groupingKey);\r\n          }\r\n\r\n          e.stopImmediatePropagation();\r\n          e.preventDefault();\r\n        }\r\n      }\r\n    }\r\n  }\r\n\r\n  function getGroupRowMetadata(item){\r\n    return {\r\n      selectable: false,\r\n      focusable: options.groupFocusable,\r\n      cssClasses: options.groupCssClass,\r\n      columns: {\r\n        0: {\r\n          colspan: \"*\",\r\n          formatter: options.groupFormatter,\r\n          editor: null\r\n        }\r\n      }\r\n    };\r\n  }\r\n\r\n  function getTotalsRowMetadata(item){\r\n    return {\r\n      selectable: false,\r\n      focusable: options.totalsFocusable,\r\n      cssClasses: options.totalsCssClass,\r\n      formatter: options.totalsFormatter,\r\n      editor: null\r\n    };\r\n  }\r\n\r\n  return {\r\n    init,\r\n    destroy,\r\n    getGroupRowMetadata,\r\n    getTotalsRowMetadata\r\n  };\r\n}\r\n\n\n\n// WEBPACK FOOTER //\n// ../src/slick.groupmetadataprovider.js","module.exports = require(\"flatpickr\");\n\n\n//////////////////\n// WEBPACK FOOTER\n// external \"flatpickr\"\n// module id = 32\n// module chunks = 0"],"sourceRoot":""}
\ No newline at end of file
diff --git a/src/slick.grid.js b/src/slick.grid.js
index 4ef969a..f4e4a55 100644
--- a/src/slick.grid.js
+++ b/src/slick.grid.js
@@ -977,30 +977,38 @@ function SlickGrid(container, data, columns, options){
     absoluteColumnMinWidth = Math.max(headerColumnWidthDiff, cellWidthDiff);
   }
 
-  function createCssRules(){
-    $style = $("<style type='text/css' rel='stylesheet' />").appendTo($('head'));
+  function createCssRules() {
+    $style = $("<style type='text/css' rel='stylesheet' />").appendTo($("head"));
     var rowHeight = (options.rowHeight - cellHeightDiff);
-    var rules = [
-      '.' + uid + ' .slick-header-column { left: 0; }',
-      '.' + uid + ' .slick-top-panel { height:' + options.topPanelHeight + 'px; }',
-      '.' + uid + ' .slick-headerrow-columns { height:' + options.headerRowHeight + 'px; }',
-      '.' + uid + ' .slick-footerrow-columns { height:' + options.footerRowHeight + 'px; }',
-      '.' + uid + ' .slick-cell { height:' + rowHeight + 'px; }',
-      '.' + uid + ' .slick-row { height:' + options.rowHeight + 'px; }'
-    ];
-
-    for (var i = 0; i < columns.length; i++){
-      rules.push('.' + uid + ' .l' + i + ' { }');
-      rules.push('.' + uid + ' .r' + i + ' { }');
-    }
-
-    if ($style[0].styleSheet){ // IE
-      $style[0].styleSheet.cssText = rules.join(' ');
+    if ($style[0].styleSheet) { // IE
+      $style[0].styleSheet.cssText = "";
     } else {
-      $style[0].appendChild(document.createTextNode(rules.join(' ')));
+      $style[0].appendChild(document.createTextNode(""));
     }
+
+    var sheet =  $style[0].sheet;
+    var index = 0;
+    addCSSRule(sheet,"." + uid + " .slick-header-column", "left: 0;", index++);
+    addCSSRule(sheet,"." + uid + " .slick-top-panel", "height:" + options.topPanelHeight + "px;", index++);
+    addCSSRule(sheet,"." + uid + " .slick-headerrow-columns", "height:" + options.headerRowHeight + "px;", index++);
+    addCSSRule(sheet,"." + uid + " .slick-cell", "height:" + rowHeight + "px;", index++);
+    addCSSRule(sheet,"." + uid + " .slick-row", "height:" + options.rowHeight + "px;", index++);
+
+    for (var i = 0; i < columns.length; i++) {
+        addCSSRule(sheet,"." + uid + " .l" + i , "", index++);
+        addCSSRule(sheet,"." + uid + " .r" + i, "", index++);
+      }
   }
 
+  function addCSSRule(sheet, selector, rules, index) {
+      if(sheet.insertRule) {
+          sheet.insertRule(selector + "{" + rules + "}", index);
+      }
+      else {
+          sheet.addRule(selector, rules, index);
+      }
+  }  
+
   function getColumnCssRules(idx){
     if (!stylesheet){
       var sheets = document.styleSheets;