First Shell Before Importing and Exporting

import customtkinter as ctk import tkinter as tk from tkinter import ttk # ---------------------------- # Main Window # ---------------------------- ctk.set_appearance_mode("dark") ctk.set_default_color_theme("blue") app = ctk.CTk() app.title("Chess Study") app.geometry("1200x700") # ---------------------------- # Configure Grid # ---------------------------- app.grid_rowconfigure(1, weight=1) app.grid_columnconfigure(1, weight=1) # ---------------------------- # Menu Bar # ---------------------------- # ---------------------------- # Menu Bar # ---------------------------- menu_bar = tk.Menu(app) app.config(menu=menu_bar) # ---------------------------- # File Menu # ---------------------------- file_menu = tk.Menu(menu_bar, tearoff=0) menu_bar.add_cascade( label="File", menu=file_menu ) file_menu.add_command(label="Import PGN") file_menu.add_command(label="Export PGN") file_menu.add_separator() file_menu.add_command( label="Exit", command=app.quit ) # ---------------------------- # Edit Menu # ---------------------------- edit_menu = tk.Menu(menu_bar, tearoff=0) menu_bar.add_cascade( label="Edit", menu=edit_menu ) # ---------------------------- # View Menu # ---------------------------- view_menu = tk.Menu(menu_bar, tearoff=0) menu_bar.add_cascade( label="View", menu=view_menu ) # ---------------------------- # Analysis Menu # ---------------------------- analysis_menu = tk.Menu(menu_bar, tearoff=0) menu_bar.add_cascade( label="Analysis", menu=analysis_menu ) # ---------------------------- # Tools Menu # ---------------------------- tools_menu = tk.Menu(menu_bar, tearoff=0) menu_bar.add_cascade( label="Tools", menu=tools_menu ) # ---------------------------- # Help Menu # ---------------------------- help_menu = tk.Menu(menu_bar, tearoff=0) menu_bar.add_cascade( label="Help", menu=help_menu ) # ---------------------------- # Left Navigation # ---------------------------- left_frame = ctk.CTkFrame( app, width=250 ) left_frame.grid( row=1, column=0, sticky="ns" ) left_frame.grid_propagate(False) # ---------------------------- # Tree Style # ---------------------------- style = ttk.Style() style.theme_use("default") style.configure( "Treeview", background="#111111", fieldbackground="#111111", foreground="#EEEEEE", borderwidth=0, rowheight=24 ) style.map( "Treeview", background=[("selected", "#1F6AA5")], foreground=[("selected", "#FFFFFF")] ) tree = ttk.Treeview( left_frame, style="Treeview", show="tree" ) tree.pack( fill="both", expand=True ) # Root Items collections = tree.insert( "", "end", text="Collections", open=True ) analysis = tree.insert( "", "end", text="Analysis", open=True ) music = tree.insert( "", "end", text="Music Notes", open=True ) # Collections worldcup = tree.insert( collections, "end", text="World Cup" ) olympiad = tree.insert( collections, "end", text="Olympiad" ) highschool = tree.insert( collections, "end", text="High School" ) # Example Children tree.insert( worldcup, "end", text="Round 1" ) tree.insert( worldcup, "end", text="Round 2" ) tree.insert( olympiad, "end", text="Open Section" ) tree.insert( olympiad, "end", text="Women's Section" ) # ---------------------------- # Workspace # ---------------------------- workspace = ctk.CTkFrame(app) workspace.grid( row=1, column=1, sticky="nsew", padx=5, pady=5 ) label = ctk.CTkLabel( workspace, text="Workspace", font=("Arial", 24) ) label.pack( expand=True ) # ---------------------------- # Status Bar # ---------------------------- status = ctk.CTkLabel( app, text="Ready", anchor="w", height=24 ) status.grid( row=2, column=0, columnspan=2, sticky="ew" ) app.mainloop()