class GUI(object):
def __init__(self):
'''
constructor of `class GUI`.
The default level is 'EASY'.
'''
self.app = Tk()
self.app.title('Tic Tac Toe')
self.app.resizable(width=False, height=False)
self.board = Board()
self.font = Font(family="Helvetica", size=32)
self.font_levels = Font(family="Times", size=14)
self.buttons = {}
self.level = 'EASY'
for row in range(DIMENSIONS):
for col in range(DIMENSIONS):
handler = lambda x=row, y=col: self.move(x, y, 'EASY')
button_T = Button(self.app, command=handler,
font=self.font, width=3,
height=2, bd=3)
button_T.grid(row=col, column=row)
self.buttons[row, col] = button_T
self.which_level()
self.update()
def which_level(self):
'''
#FF6103: cadmiumorange
#00CD00: green3
#EE0000: red2
'''
handler_E = lambda: self.reset('EASY')
button_E = Button(self.app, text="EASY", command=handler_E,
bg="#00CD00", foreground="white",
font=self.font_levels, bd=4)
button_E.grid(row=DIMENSIONS+1, column=0,
columnspan=1, sticky="WE")
handler_M = lambda: self.reset('MEDIUM')
button_M = Button(self.app, text="MEDIUM", command=handler_M,
bg="#FF6103", foreground="white",
font=self.font_levels, bd=4)
button_M.grid(row=DIMENSIONS+1, column=1,
columnspan=1, sticky="WE")
handler_H = lambda: self.reset('HARD')
button_H = Button(self.app, text="HARD", command=handler_H,
bg="#EE0000", foreground="white",
font=self.font_levels, bd=4)
button_H.grid(row=DIMENSIONS+1, column=2,
columnspan=1, sticky="WE")
def reset(self, level):
'''
This function resets the `board` after any level is selected.
A new instance of `Board()` is created, all the buttons are cleared
and then new buttons are created.
'''
self.board = Board()
for button in self.app.grid_slaves():
button.grid_forget()
self.create_buttons(level)
self.which_level()
self.update()
def create_buttons(self, level):
'''
This functions creates buttons according to the selected level.
'''
for row in range(DIMENSIONS):
for col in range(DIMENSIONS):
if level == 'HARD':
handler = lambda x=row, y=col: self.move(x, y, 'HARD')
self.level = 'HARD'
elif level == 'EASY':
handler = lambda x=row, y=col: self.move(x, y, 'EASY')
self.level = 'EASY'
elif level == 'MEDIUM':
handler = lambda x=row, y=col: self.move(x, y, 'MEDIUM')
self.level = 'MEDIUM'
button_T = Button(self.app, command=handler,
font=self.font, width=3,
height=2, bd=3)
button_T.grid(row=col, column=row)
self.buttons[row, col] = button_T
def move(self, row, col, level):
'''
inputs: `row`, `col`, `level`, where the turn is to be played.
This function calls the `best_score` of a specific level depending
on the level selected and location on which user plays a turn.
'''
self.app.config(cursor="watch")
self.app.update()
self.board = self.board.play_turn(row, col)
self.update()
if level == 'HARD':
move = self.board.best_score_hard()
elif level == 'EASY':
move = self.board.best_score_easy()
elif level == 'MEDIUM':
move = self.board.best_score_medium()
if move:
self.board = self.board.play_turn(move[0], move[1])
self.update()
self.app.config(cursor="")
def update(self):
'''
input: None
This function updates the board.
#FF0000: red1
'''
for row in range(DIMENSIONS):
for col in range(DIMENSIONS):
text = self.board.grid[row][col]
self.buttons[row, col]['text'] = text
self.buttons[row, col]['disabledforeground'] = 'black'
if text == self.board.empty_location:
self.buttons[row, col]['state'] = 'normal'
else:
self.buttons[row, col]['state'] = 'disabled'
status = self.board.won()
if self.level == 'EASY':
status = self.board.won_easy()
if not status:
status = self.board.won()
if status:
for (row, col) in status:
self.buttons[row, col]['disabledforeground'] = '#FF0000'
for (row, col) in self.buttons:
self.buttons[row, col]['state'] = 'disabled'
for row in range(DIMENSIONS):
for col in range(DIMENSIONS):
self.buttons[col, row].update()
def mainloop(self):
self.app.mainloop()
