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App_GUI.py
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import tkinter as tk
import tkinter.font as tkFont
import os
import sys
import customtkinter as ctk
from PIL import Image
from sql_interface import DbChinook
from logic import Search_engine
ctk.set_default_color_theme("green") # Themes: "blue" (standard), "green", "dark-blue".
ctk.set_appearance_mode("Dark") # Modes: "System" (standard), "Dark", "Light".
class Window(ctk.CTk):
WIDTH = 1242
HEIGHT = 720
LARGE_FONT = ("Calibri", 30, "bold")
MEDIUM_FONT = ("Calibri", 24, "bold")
SMALL_FONT = ("Calibri", 20, "bold")
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self.iconbitmap(os.path.join(sys.path[0], "Icon.ico"))
self.resizable(False, False)
self.after(4000, self.change_title)
self.db = DbChinook()
self.engine = Search_engine(self.db)
self.WINDOW_CENTERING_X = int(self.winfo_screenwidth()/2 - self.WIDTH/2)
self.WINDOW_CENTERING_Y = int(self.winfo_screenheight()/2 - self.HEIGHT/2)
# Upload images that will be used in the program.
self.SEARCH_DARK = Image.open(os.path.join(sys.path[0], "Search_Image_Dark.png"))
self.SEARCH_LIGHT = Image.open(os.path.join(sys.path[0], "Search_Image_Light.png"))
self.search_image = ctk.CTkImage(self.SEARCH_DARK, self.SEARCH_LIGHT, (55, 55))
self.ICON = Image.open(os.path.join(sys.path[0], "Icon.png"))
self.icon = ctk.CTkImage(self.ICON, size=(150, 150))
# ------------------------
self.min = "хв" # This changes according
self.sec = "с" # to the chosen language. (Not yet)
self.title("Додаток Пошуку Треків")
self.geometry(
f"{self.WIDTH}x{self.HEIGHT}+{self.WINDOW_CENTERING_X}+{self.WINDOW_CENTERING_Y}"
)
self.protocol(
"WM_DELETE_WINDOW", self.on_closing
) # Call .on_closing() when app gets closed.
self.create_widgets()
self.fill_listbox_with_tracks()
self.listbox.bind("<<ListboxSelect>>", self.click_track)
def create_widgets(self):
"""
Fill the window with widgets.
"""
# Left frame.
self.frame_left = ctk.CTkFrame(self, width=180, height=832, corner_radius=0)
self.frame_left.grid(row=0, column=0, rowspan=12, sticky="nswe")
self.label_1 = ctk.CTkLabel(self.frame_left, text="Додаток\nПошуку\nТреків",
font=self.LARGE_FONT, image=self.icon, compound="top")
self.label_1.pack(pady=40, padx=10)
self.appearance_mode = ctk.CTkOptionMenu(self.frame_left, font=("Calibri", 16),
values=["Світлий", "Темний"], text_color=("#1f1f1f", "#ebebeb"),
command=self.change_appearance_mode)
self.appearance_mode.set("Темний")
self.appearance_mode.pack(pady=(0, 80), padx=20, side="bottom")
self.label_mode = ctk.CTkLabel(self.frame_left, text="Вигляд вікна:",
font=self.SMALL_FONT)
self.label_mode.pack(pady=20, padx=20, side="bottom")
# ------------------------
ctk.CTkLabel(self, text="Введіть пошуковий запит:",
font=self.MEDIUM_FONT).grid(row=0, column=1,
columnspan=3, rowspan=2,
sticky="w", padx=20, pady=20)
self.search_query = tk.StringVar()
self.search_query.trace_add("write", self.fill_listbox_with_tracks)
self.entry = ctk.CTkEntry(self, width=440, placeholder_text="Сюди",
font=self.MEDIUM_FONT, height=45,
textvariable=self.search_query, corner_radius=10)
self.entry.grid(row=1, column=1, columnspan=3, rowspan=3,
pady=(0, 20), padx=20, sticky="we")
# Frame with listbox and scrollbars.
self.frame_listbox = ctk.CTkFrame(self, width=440, height=500, corner_radius=10)
self.frame_listbox.grid(row=4, column=1, columnspan=3,
rowspan=8, pady=(0, 20), padx=20, sticky="nswe")
self.listbox = tk.Listbox(self.frame_listbox, bg="#1f1f1f", fg="#ebebeb",
selectbackground="#11b384", cursor="hand2",
selectmode="browse", bd=2, activestyle="none",
highlightthickness=0, selectforeground="#ebebeb",
font=("Calibri", 18, "bold"), exportselection=False,
relief="groove", height=16, width=40)
self.listbox.grid(row=0, column=0, sticky="nswe")
self.listbox_scroll_y = ctk.CTkScrollbar(self.frame_listbox, button_color=("gray"),
button_hover_color=("gray62"),
command=self.listbox.yview)
self.listbox_scroll_y.grid(row=0, column=1, sticky="ns")
self.listbox_scroll_x = ctk.CTkScrollbar(self.frame_listbox, button_color=("gray"),
command=self.listbox.xview,
button_hover_color=("gray62"),
orientation="horizontal")
self.listbox_scroll_x.grid(row=1, column=0, sticky="we")
self.listbox.configure(yscrollcommand=self.listbox_scroll_y.set,
xscrollcommand=self.listbox_scroll_x.set)
# ------------------------
self.search_button = ctk.CTkButton(self, text="Пошук", image=self.search_image,
font=self.MEDIUM_FONT, compound="left",
command=self.fill_listbox_with_tracks,
width=75, height=70,
corner_radius=10, text_color=("#1f1f1f", "#ebebeb"))
self.search_button.grid(row=1, column=4, rowspan=3,
pady=(0, 20), padx=20)
# Radiobuttons.
self.search_mode = tk.StringVar(value="name")
self.search_mode.trace_add("write", self.fill_listbox_with_tracks)
self.label_radio_group = ctk.CTkLabel(self, text="Шукати...",
font=self.SMALL_FONT)
self.label_radio_group.grid(row=0, column=6, pady=20,
padx=(40, 20), sticky="w")
self.radio_button_name = ctk.CTkRadioButton(self, variable=self.search_mode,
value="name", text="За назвою",
font=self.SMALL_FONT)
self.radio_button_name.grid(row=1, column=6, pady=(0, 20),
padx=(40, 20), sticky="w")
self.radio_button_author = ctk.CTkRadioButton(self, variable=self.search_mode,
value="author", text="За автором",
font=self.SMALL_FONT)
self.radio_button_author.grid(row=2, column=6, pady=(0, 20),
padx=(40, 20), sticky="w")
self.radio_button_genre = ctk.CTkRadioButton(self, variable=self.search_mode,
value="genre", text="За жанром",
font=self.SMALL_FONT)
self.radio_button_genre.grid(row=3, column=6, pady=(0, 20),
padx=(40, 20), sticky="w")
# ------------------------
# Frame with labels.
self.frame_labels = ctk.CTkFrame(self, width=480, height=480, corner_radius=10)
self.frame_labels.grid(row=4, column=4, columnspan=3,
rowspan=8, pady=(0, 20), padx=20, sticky="nswe")
self.frame_labels.pack_propagate(0)
self.name = tk.StringVar(value="Назва обраної пісні")
self.label_name = ctk.CTkLabel(self.frame_labels, textvariable=self.name,
font=self.LARGE_FONT, anchor="center",
width=400)
self.label_name.pack(padx=10, pady=20)
self.author = tk.StringVar(value="Автор")
self.label_author = ctk.CTkLabel(self.frame_labels, textvariable=self.author,
font=self.MEDIUM_FONT, anchor="center",
corner_radius=10, width=400, wraplength=380,
fg_color=("gray97", "gray28"), height=50)
self.label_author.pack(padx=10, pady=(40, 0))
self.genre = tk.StringVar(value="Жанр пісні")
self.label_genre = ctk.CTkLabel(self.frame_labels, textvariable=self.genre,
font=self.MEDIUM_FONT, anchor="center",
corner_radius=10, width=400,
fg_color=("gray97", "gray28"), height=50)
self.label_genre.pack(padx=10, pady=(40, 0))
self.album = tk.StringVar(value="Назва альбому")
self.label_album = ctk.CTkLabel(self.frame_labels, textvariable=self.album,
font=self.MEDIUM_FONT, anchor="center",
width=400, fg_color=("gray97", "gray28"),
corner_radius=10, height=50, wraplength=380)
self.label_album.pack(padx=10, pady=(40, 0))
self.duration = tk.StringVar(value="Тривалість")
self.label_duration = ctk.CTkLabel(self.frame_labels, textvariable=self.duration,
font=self.MEDIUM_FONT, anchor="center",
width=400, fg_color=("gray97", "gray28"),
corner_radius=10, height=50)
self.label_duration.pack(padx=10, pady=(40, 0))
def search_tracks(self, text) -> list:
"""
Search for tracks either by their name or author(s)
or genre, depending on the selected mode (radiobutton).
"""
if self.search_mode.get() == "name":
tracks = self.engine.search_by_name(text)
elif self.search_mode.get() == "author":
tracks = self.engine.search_by_author(text)
elif self.search_mode.get() == "genre":
tracks = self.engine.search_by_genre(text)
return tracks
def click_track(self, event):
"""
Fill labels with information
about the selected (clicked) track.
"""
try:
index = int(self.listbox.curselection()[0])
except IndexError:
return
track = self.listbox.get(index)
self.fit_text_in_name_label(track)
data = self.engine.select_data(track)
author = data[0]
self.author.set(author)
genre = data[1]
self.genre.set(genre)
album = data[2]
self.album.set(album)
duration = data[3]
self.duration.set(self.milliseconds(duration))
def change_appearance_mode(self, new_appearance_mode):
"""
Change the window's theme (Dark or Light).
"""
if new_appearance_mode == "Темний":
self.listbox["bg"] = "#1f1f1f"
self.listbox["fg"] = "#ebebeb"
self.listbox["selectbackground"] = "#11b384"
self.listbox["selectforeground"] = "#ebebeb"
self.entry["selectbackground"] = "#11b384"
self.entry["selectforeground"] = "#ebebeb"
ctk.set_appearance_mode("Dark")
elif new_appearance_mode == "Світлий":
self.listbox["bg"] = "#ebebeb"
self.listbox["fg"] = "#1f1f1f"
self.listbox["selectbackground"] = "#72cf9f"
self.listbox["selectforeground"] = "#1f1f1f"
self.entry["selectbackground"] = "#72cf9f"
self.entry["selectforeground"] = "#1f1f1f"
ctk.set_appearance_mode("Light")
def fill_listbox_with_tracks(self, *args):
"""
Fill listbox with tracks that match the user's search query.
"""
self.listbox.delete(0, "end")
for i in self.search_tracks(self.search_query.get()):
self.listbox.insert("end", i[0])
if len(self.search_tracks(self.search_query.get())) == 0:
self.name.set("Жодного треку не обрано")
self.author.set("Автор")
self.genre.set("Жанр пісні")
self.album.set("Назва альбому")
self.duration.set("Тривалість")
def fit_text_in_name_label(self, text):
"""
Fit overlong text in the label which
contains track's name by changing its last
characters with three dots.
"""
font = tkFont.Font(family=self.LARGE_FONT[0], size=self.LARGE_FONT[1], weight="bold")
max_width = 530
actual_width = font.measure(text)
if actual_width <= max_width:
# The original text fits; no need to add ellipsis.
self.name.set(text)
else:
# The original text won't fit. Keep shrinking until it does.
while actual_width > max_width and len(text) > 1:
text = text[:-1]
actual_width = font.measure(text + "...")
self.name.set(text + "...")
def milliseconds(self, number) -> str:
"""
Convert milliseconds to seconds and minutes.
"""
milliseconds = int(number)
seconds = str(int((milliseconds/1000) % 60))
minutes = str(int((milliseconds / (1000*60)) % 60))
return f"{minutes} {self.min} {seconds} {self.sec}"
def on_closing(self, event=0):
self.destroy()
def change_title(self, *args):
"""
Change the title periodically, every 4 seconds.
"""
if self.title() == "Додаток Пошуку Треків":
self.title("Зробив Стратюк Арсеній")
self.after(4000, self.change_title)
else:
self.title("Додаток Пошуку Треків")
self.after(4000, self.change_title)
if __name__ == "__main__":
root = Window()
root.mainloop()