oppu.py

from tkinter import filedialog as fd
from ttkthemes import ThemedTk
from itertools import product
from random import choices
from tkinter import ttk
from os import getcwd
import tkinter as tk

from questions import load_questions


class Oppu(ThemedTk):
    def __init__(self):
        ThemedTk.__init__(self, themebg=True, fonts=True)

        # Setup:
        self.eval('tk::PlaceWindow . center')
        self.title('Oppu-Chan')
        self.geometry('240x240')
        self.minsize(240, 240)
        self._set_icon()

        # Menu Bar:
        self.menu_bar = tk.Menu(self)

        self.file_menu = tk.Menu(self.menu_bar, tearoff=0)
        self.file_menu.add_command(label='Open...', command=self.load_question, accelerator='Ctrl+O')
        self.file_menu.add_command(label='Difficulty', command=self.select_difficulty)
        self.file_menu.add_command(label='Change Theme', command=self.change_theme)
        self.file_menu.add_separator()
        self.file_menu.add_command(label='Exit', command=self.quit, accelerator='Ctrl+E')

        self.menu_bar.add_cascade(label='File', menu=self.file_menu)
        self.config(menu=self.menu_bar)

        # Variables:
        self.questions = load_questions('questions/katakana.ans')
        self.current_question = ''.join(choices(list(self.questions.keys()), k=1))
        self.streak, self.difficulty = 0, 1
        self.dark_theme_enabled = True

        # Widgets:
        self.streak_label, self.correct_label, self.question_label, self.answer_button, self.text_input = [None] * 5
        self.streak_separator = None
        self._create_widgets()

        # Theme:
        self.dark_theme()

    # Button Commands:
    def answer_command(self, event=None):
        string_answer, answer = '', []
        for character in self.current_question:
            answer.append(self.questions[character])

        answers = [''.join(x) for x in list(product(*answer))]

        if self.text_input.get().upper() in answers:
            self.correct_label.config(text=f"Correct!", foreground='#228B22')

            self.streak += self.difficulty
            self.streak_label.config(text=f"Streak: {self.streak}")

        else:
            self.correct_label.config(text=f"Incorrect... That was {''.join(answers[0]).title()}.",
                                      foreground='#ff3232')

            self.streak = 0
            self.streak_label.config(text=f"Streak: 0")

        self.correct_label.pack(side=tk.TOP, pady=1)
        self.text_input.delete(0, tk.END)

        self.change_question()

    def change_question(self):
        self.current_question = ''.join(choices(list(self.questions.keys()), k=self.difficulty))
        self.question_label.config(text=f"{self.current_question}")

    # Menu Commands:
    def load_question(self):
        filetypes = (('Question Files', '*.ans'),)

        filename = fd.askopenfilename(title='Open a file', initialdir=getcwd(), filetypes=filetypes)
        self.questions = load_questions(filename)
        self.change_question()

    def select_difficulty(self):
        selector = tk.Toplevel()
        selector.geometry("300x100")
        selector.minsize(300, 100)
        selector.focus()

        self.eval(f'tk::PlaceWindow {str(selector)} center')

        difficulty_label = ttk.Label(selector, text=f"{self.difficulty}")

        def control_difficulty(value=None):
            self.difficulty = round(float(value))
            difficulty_label.config(text=f"{self.difficulty}")

        scale = ttk.Scale(selector, from_=1, to=5, value=self.difficulty, orient=tk.HORIZONTAL,
                          command=control_difficulty)

        def on_ok():
            self.change_question()
            selector.destroy()

        ok_button = ttk.Button(selector, text='Ok', command=on_ok)

        scale.pack(fill='x', padx=10, pady=10)
        difficulty_label.pack()
        ok_button.pack()

        self.difficulty = scale.get()

    # Themes:
    def change_theme(self):
        self.light_theme() if self.dark_theme_enabled else self.dark_theme()
        self.dark_theme_enabled = not self.dark_theme_enabled
        self.update()

    def dark_theme(self):
        self.set_theme('equilux')

    def light_theme(self):
        self.set_theme('plastik')

    # Helpers:
    def _set_icon(self):
        try:
            self.iconbitmap('icon.ico')
        except tk.TclError:
            print(f"[Error]: The icon file could not be file within the project's directory.")

    def _create_widgets(self):
        self.streak_label = ttk.Label(self, text=f"Streak: {self.streak}")
        self.streak_label.pack(side=tk.TOP, pady=3)

        self.streak_separator = tk.Frame(self, bg='#bababa', height=1, bd=0)
        self.streak_separator.pack(fill='x')

        self.correct_label = ttk.Label(self)

        self.question_label = ttk.Label(self, text=f"{self.current_question}")
        self.question_label.config(font=("Consolas", 32))
        self.question_label.pack(pady=30)

        self.answer_button = ttk.Button(self, text="Answer", command=self.answer_command)
        self.answer_button.pack(side=tk.BOTTOM, pady=5)

        self.text_input = ttk.Entry(self)
        self.text_input.bind('<Return>', self.answer_command)
        self.text_input.pack(side=tk.BOTTOM, pady=5)
        self.text_input.focus()


if __name__ == '__main__':
    app = Oppu()
    app.mainloop()