####################
# source/gui_logs.py
####################
from tkinter import messagebox, simpledialog, font
from tkinter import Frame, Label, Button, StringVar
from tkinter import NSEW, LEFT, W, DISABLED, NORMAL
import textwrap, functools
################################################################################
TITLE_SIZE = 16
TEXT_WIDTH = 40
################################################################################
class _Dialog(simpledialog.Dialog):
def ok(self, event=None):
self.withdraw()
self.update_idletasks()
try:
self.apply()
finally:
self.cancel(force=True)
def cancel(self, event=None, force=False):
title = 'Warning'
message = 'Are you sure you want\nto stop taking this test?'
if force or messagebox.askyesno(title, message, master=self):
if self.parent is not None:
self.parent.focus_set()
self.destroy()
################################################################################
class ShowStatus(_Dialog):
WAIT = 3
def __init__(self, parent, title, message, callback):
self.message = message
self.callback = callback
super().__init__(parent, title)
def body(self, master):
style = font.Font(self, size=TITLE_SIZE)
self.status = Label(master, text=self.message, font=style)
self.status.grid(sticky=NSEW, padx=TITLE_SIZE, pady=TITLE_SIZE)
return self.status
def buttonbox(self):
self.after(self.WAIT * 1000, self.ok)
def apply(self):
root.after_idle(self.callback)
################################################################################
class AskQuestion(_Dialog):
def __init__(self, parent, event, callback):
self.question = textwrap.wrap(event.question, TEXT_WIDTH)
self.choices = event.choices
self.answer = event.answer
self.callback = callback
super().__init__(parent, event.category)
def body(self, master):
self.labels = []
for line in self.question:
self.labels.append(Label(master, text=line, justify=LEFT))
self.labels[-1].grid(sticky=NSEW)
def buttonbox(self):
self.buttons = []
box = Frame(self)
for choice in self.choices:
options = {'text': textwrap.fill(choice, TEXT_WIDTH),
'width': TEXT_WIDTH,
'command': functools.partial(self.click, choice)}
self.buttons.append(Button(box, **options))
self.buttons[-1].grid(padx=5, pady=5)
box.pack()
def click(self, choice):
self.answer(choice)
self.ok()
def apply(self):
root.after_idle(self.callback)
################################################################################
class ReviewProblems(_Dialog):
def __init__(self, parent, event, flag):
self.problems = list(event.problems())
self.problem = 0
self.flag = flag
super().__init__(parent, 'Problems')
def body(self, master):
title = font.Font(self, size=TITLE_SIZE)
legend = font.Font(self, weight='bold')
# Create display variables.
self.category = StringVar(master)
self.question = StringVar(master)
self.answer = StringVar(master)
self.right = StringVar(master)
# Create form labels.
self.c_label = Label(master, textvariable=self.category, font=title)
self.q_label = Label(master, textvariable=self.question)
self.you_answered = Label(master, text='You answered:', font=legend)
self.a_label = Label(master, textvariable=self.answer)
self.right_answer = Label(master, text='Right answer:', font=legend)
self.r_label = Label(master, textvariable=self.right)
# Create control buttons.
options = {'text': '< < <',
'width': TEXT_WIDTH // 2,
'command': self.go_back}
self.back = Button(master, **options)
options = {'text': '> > >',
'width': TEXT_WIDTH // 2,
'command': self.go_next}
self.next = Button(master, **options)
# Display the body.
options = {'sticky': NSEW, 'padx': 5, 'pady': 5}
self.c_label.grid(row=0, column=0, columnspan=2, **options)
self.q_label.grid(row=1, column=0, columnspan=2, **options)
self.you_answered.grid(row=2, column=0, **options)
self.a_label.grid(row=2, column=1, **options)
self.right_answer.grid(row=3, column=0, **options)
self.r_label.grid(row=3, column=1, **options)
self.back.grid(row=4, column=0, **options)
self.next.grid(row=4, column=1, **options)
# Update the labels.
self.update()
def go_back(self):
self.problem -= 1
self.update()
def go_next(self):
self.problem += 1
self.update()
def update(self):
# Update the labels.
problem = self.problems[self.problem]
self.category.set(problem.category)
self.question.set(textwrap.fill(problem.question, TEXT_WIDTH))
self.answer.set(textwrap.fill(problem.answer, TEXT_WIDTH // 2))
self.right.set(textwrap.fill(problem.right, TEXT_WIDTH // 2))
# Update the buttons.
if self.problem == 0:
self.back['state'] = DISABLED
else:
self.back['state'] = NORMAL
if self.problem + 1 == len(self.problems):
self.next['state'] = DISABLED
else:
self.next['state'] = NORMAL
def apply(self):
self.flag[0] = True
################################################################################
class ShowReport(_Dialog):
RULE = '='
def __init__(self, parent, event, callback):
self.level = event.level
self.right = event.right
self.wrong = event.wrong
self.total = event.total
self.callback = callback
super().__init__(parent, 'Report')
def body(self, master):
title = font.Font(self, size=TITLE_SIZE)
legend = {'anchor': W,
'justify': LEFT,
'font': font.Font(self, weight='bold')}
# Create all labels.
text = 'Cumulative score for\nprevious {}:'.format(self.level)
self.explanation = Label(master, text=text, font=title)
self.ruler_one = Label(master, text=(self.RULE * TEXT_WIDTH))
self.answers_right = Label(master, text='Answers right:', **legend)
self.display_right = Label(master, text=str(self.right))
self.answers_wrong = Label(master, text='Answers wrong:', **legend)
self.display_wrong = Label(master, text=str(self.wrong))
self.percent = Label(master, text='Percentage correct:', **legend)
percentage = str(int(100 * self.right / self.total + 0.5)) + '%'
self.display = Label(master, text=percentage)
self.ruler_two = Label(master, text=(self.RULE * TEXT_WIDTH))
# Display the results.
options = {'sticky': NSEW, 'padx': 5, 'pady': 5}
self.explanation.grid(row=0, column=0, columnspan=2, **options)
self.ruler_one.grid(row=1, column=0, columnspan=2, **options)
self.answers_right.grid(row=2, column=0, **options)
self.display_right.grid(row=2, column=1, **options)
self.answers_wrong.grid(row=3, column=0, **options)
self.display_wrong.grid(row=3, column=1, **options)
self.percent.grid(row=4, column=0, **options)
self.display.grid(row=4, column=1, **options)
self.ruler_two.grid(row=5, column=0, columnspan=2, **options)
def apply(self):
root.after_idle(self.callback)
