simpylwiki.py

import os
import tkinter
from tkinter import messagebox, simpledialog

class WikiApp:
    def __init__(self, root):
        self.root = root
        self.root.title("SimpylWiki")

        # Instance variable to track the currently selected page
        self.current_page = None

        # Frames
        self.frame_left = tkinter.Frame(root)
        self.frame_left.pack(side=tkinter.LEFT, fill=tkinter.Y, pady=5)

        self.frame_top = tkinter.Frame(root)
        self.frame_top.pack(side=tkinter.TOP, fill=tkinter.X, pady=5)

        self.frame_right = tkinter.Frame(root)
        self.frame_right.pack(side=tkinter.RIGHT, fill=tkinter.BOTH, expand=True, pady=5)

        # Index Pane
        self.index_listbox = tkinter.Listbox(self.frame_left, width=30)
        self.index_listbox.pack(side=tkinter.LEFT, fill=tkinter.Y)

        self.scrollbar = tkinter.Scrollbar(self.frame_left)
        self.scrollbar.pack(side=tkinter.RIGHT, fill=tkinter.Y)

        self.index_listbox.config(yscrollcommand=self.scrollbar.set)
        self.scrollbar.config(command=self.index_listbox.yview)

        # Bind the listbox selection event to the load_page method
        self.index_listbox.bind("<<ListboxSelect>>", self.load_page)

        # Reading Pane
        self.text_area = tkinter.Text(self.frame_right)
        self.text_area.pack(fill=tkinter.BOTH, expand=True)

        # Buttons
        self.add_button = tkinter.Button(self.frame_left, text="Add Page", command=self.add_page)
        self.add_button.pack(side=tkinter.TOP, fill=tkinter.X)

        self.save_button = tkinter.Button(self.frame_left, text="Save Page", command=self.save_page)
        self.save_button.pack(side=tkinter.TOP, fill=tkinter.X)

        self.delete_button = tkinter.Button(self.frame_left, text="Delete Page", command=self.delete_page)
        self.delete_button.pack(side=tkinter.TOP, fill=tkinter.X)

        # Create a directory for storing pages if it doesn't exist
        self.pages_dir = "pages"
        if not os.path.exists(self.pages_dir):
            os.makedirs(self.pages_dir)

        # Load existing pages into the listbox
        self.load_pages()

    def load_pages(self):
        """Load all existing pages into the listbox."""
        self.index_listbox.delete(0, tkinter.END)
        for filename in os.listdir(self.pages_dir):
            if filename.endswith(".txt"):
                title = filename[:-4]  # Remove the .txt extension
                self.index_listbox.insert(tkinter.END, title)

    def update_listbox_edit_indicator(self):
        """Update the listbox to show which page is currently being edited."""
        for i in range(self.index_listbox.size()):
            title = self.index_listbox.get(i).replace(" <---editing", "")
            if title == self.current_page:
                self.index_listbox.delete(i)
                self.index_listbox.insert(i, title + " <---editing")
            else:
                self.index_listbox.delete(i)
                self.index_listbox.insert(i, title)

    def add_page(self):
        """Add a new page."""
        title = simpledialog.askstring("Add Page", "Enter the page title:")
        if title:
            filename = os.path.join(self.pages_dir, f"{title}.txt")
            if os.path.exists(filename):
                messagebox.showwarning("Add Page", "A page with this title already exists.")
                return
            with open(filename, "w") as file:
                file.write("")  # Create an empty file
            self.index_listbox.insert(tkinter.END, title)
            self.index_listbox.select_set(tkinter.END)
            self.current_page = title  # Set the current page
            self.load_page()

    def load_page(self, event=None):
        """Load the selected page's content into the text area."""
        if event:
            selected_index = self.index_listbox.curselection()
            if selected_index:
                title = self.index_listbox.get(selected_index).replace(" <---editing", "")
                self.current_page = title  # Update the current page
                filename = os.path.join(self.pages_dir, f"{title}.txt")
                with open(filename, "r") as file:
                    content = file.read()
                self.text_area.delete(1.0, tkinter.END)
                self.text_area.insert(tkinter.END, content)
                self.update_listbox_edit_indicator()

    def save_page(self):
        """Save the content of the text area to the current file."""
        if self.current_page:
            filename = os.path.join(self.pages_dir, f"{self.current_page}.txt")
            content = self.text_area.get(1.0, tkinter.END)
            with open(filename, "w") as file:
                file.write(content)
            messagebox.showinfo("Save Page", "Page saved successfully.")
        else:
            messagebox.showwarning("Save Page", "No page selected.")

    def delete_page(self):
        """Delete the selected page."""
        selected_index = self.index_listbox.curselection()
        if selected_index:
            title = self.index_listbox.get(selected_index).replace(" <---editing", "")
            response = messagebox.askyesno("Delete Page", f"Are you sure you want to delete '{title}'?")
            if response:
                filename = os.path.join(self.pages_dir, f"{title}.txt")
                if os.path.exists(filename):
                    os.remove(filename)
                    self.index_listbox.delete(selected_index)
                    self.text_area.delete(1.0, tkinter.END)
                    self.current_page = None  # Clear the current page
                    self.update_listbox_edit_indicator()
                    messagebox.showinfo("Delete Page", "Page deleted successfully.")
        else:
            messagebox.showwarning("Delete Page", "No page selected.")


if __name__ == "__main__":
    root = tkinter.Tk()
    app = WikiApp(root)
    root.mainloop()