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trans.py
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trans.py
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from tkinter import Label, Button, Entry, OptionMenu, IntVar, StringVar, Frame, Toplevel
from tkinter.constants import BOTH
import numpy as np
import menu
alphabet = 'abcdefghijklmnopqrstuvwxyz'
class Trans:
def back_to_menu(self):
self.gui_trans_output.destroy()
menu.gui_menu.deiconify()
def compute_transpose(self):
try:
for i in range(self.rows_get):
for j in range(self.cols_get):
self.matrix[i][j] = int(self.matrix[i][j])
list_mat = [str(i) for i in np.transpose(self.matrix)]
# remove square brackets
for i in range(len(list_mat)):
list_mat[i] = list_mat[i][1:-1]
return list_mat
except (TypeError, Exception):
pass
def output_matrix(self):
self.gui_trans_input.destroy()
self.gui_trans_output = Toplevel()
self.gui_trans_output.title("Transpose")
self.gui_trans_output.resizable(False, False)
self.frame_trans_output = Frame(self.gui_trans_output, highlightbackground='black', highlightthickness=1)
self.frame_trans_output.pack(fill=BOTH, expand=True, padx=5, pady=5)
# go back to menu button
Button(self.frame_trans_output, text="Back", width=4, command=self.back_to_menu).grid(
row=self.rows_get + self.rows_get + 10, column=1)
Label(self.frame_trans_output, text='Input:', font=('arial', 10, 'bold'), underline=0).grid(row=1, column=1)
for i in range(self.rows_get):
for j in range(self.cols_get):
Label(self.frame_trans_output, text=self.matrix[i][j], bd=5).grid(row=i + 1, column=j + 2)
# display output
Label(self.frame_trans_output, text='Transposed:', font=('arial', 10, 'bold'), underline=0).grid(
row=self.rows_get * 2,
column=1)
self.transposed_matrix = self.compute_transpose()
for i in range(self.cols_get):
Label(self.frame_trans_output, text=self.transposed_matrix[i], bd=5).grid(
row=i + self.rows_get * 2, column=2, columnspan=self.cols_get, sticky='w ')
self.gui_trans_output.protocol("WM_DELETE_WINDOW", menu.gui_menu.destroy)
self.gui_trans_output.mainloop()
def input_matrix(self):
self.gui_trans_menu.destroy()
self.gui_trans_input = Toplevel()
self.gui_trans_input.title("Transpose")
self.gui_trans_input.resizable(False, False)
self.frame_trans_input = Frame(self.gui_trans_input, highlightbackground='black', highlightthickness=1)
self.frame_trans_input.pack(fill=BOTH, expand=True, padx=5, pady=5)
Label(self.frame_trans_input, text="Enter matrix:", font=('arial', 10, 'bold')).grid(row=1, column=1)
# empty arrays for Entry and StringVars
text_var = []
entries = []
self.rows_get, self.cols_get = (self.rows.get(), self.cols.get())
for i in range(self.rows_get):
# append an empty list to arrays to append to later
text_var.append([])
entries.append([])
for j in range(self.cols_get):
# for column indications
if i == 1:
Label(self.frame_trans_input, text=alphabet[j]).grid(row=1, column=j + 2)
# append StringVar
text_var[i].append(StringVar())
# append the entry into the list
entries[i].append(Entry(self.frame_trans_input, textvariable=text_var[i][j], width=3))
# display entry
entries[i][j].grid(row=i + 2, column=j + 2)
# for row indications
Label(self.frame_trans_input, text=i + 1).grid(row=i + 2, column=1, sticky='e')
def get_mat():
try:
self.matrix = []
for i2 in range(self.rows_get):
self.matrix.append([])
for j2 in range(self.cols_get):
self.matrix[i2].append(text_var[i2][j2].get())
self.output_matrix()
except (ValueError, Exception):
pass
Button(self.frame_trans_input, text="Enter", width=8, command=get_mat)\
.grid(row=self.cols_get + self.cols_get + 10, column=1)
self.gui_trans_input.protocol("WM_DELETE_WINDOW", menu.gui_menu.destroy)
self.gui_trans_input.mainloop()
def __init__(self):
self.gui_trans_input = None
self.frame_trans_input = None
self.gui_trans_output = None
self.frame_trans_output = None
self.transposed_matrix = None
self.matrix = None
self.rows_get, self.cols_get = None, None
menu.gui_menu.withdraw()
self.gui_trans_menu = Toplevel()
self.gui_trans_menu.title("Transpose")
self.gui_trans_menu.resizable(False, False)
self.frame_trans_menu = Frame(self.gui_trans_menu, highlightbackground='black', highlightthicknes=1)
self.frame_trans_menu.pack(fill=BOTH, expand=True, padx=5, pady=5)
Label(self.frame_trans_menu, text='Enter matrix dimensions:', font=('arial', 10, 'bold')).grid(row=1, column=1)
# enter matrix dimensions:
self.rows = IntVar()
self.rows.set(2)
OptionMenu(self.frame_trans_menu, self.rows, *range(2, 5)).grid(row=1, column=2)
Label(self.frame_trans_menu, text='x').grid(row=1, column=3)
self.cols = IntVar()
self.cols.set(2)
OptionMenu(self.frame_trans_menu, self.cols, *range(2, 5)).grid(row=1, column=4)
Button(self.frame_trans_menu, text='Enter', padx=16, pady=5, command=self.input_matrix).grid(row=2, column=4)
self.gui_trans_menu.protocol("WM_DELETE_WINDOW", menu.gui_menu.destroy)
self.gui_trans_menu.mainloop()