import tkinter as tk
from tkinter import ttk, messagebox, filedialog
import os


class MyApp:
    def __init__(self, root):
        self.root = root
        self.root.title("功能演示程序")
        self.root.iconbitmap("C:/Users/Administrator/Desktop/z.ico")
        self.root.geometry("800x600")

        # 創(chuàng)建選項卡
        self.notebook = ttk.Notebook(root)
        self.notebook.pack(expand=True, fill='both', padx=5, pady=5)

        # 創(chuàng)建三個選項卡頁面
        self.tab1 = ttk.Frame(self.notebook)
        self.tab2 = ttk.Frame(self.notebook)
        self.tab3 = ttk.Frame(self.notebook)

        self.notebook.add(self.tab1, text='文本處理')
        self.notebook.add(self.tab2, text='文件操作')
        self.notebook.add(self.tab3, text='計算工具')

        self.setup_text_tab()
        self.setup_file_tab()
        self.setup_calc_tab()

        # 創(chuàng)建狀態(tài)欄
        self.status_bar = tk.Label(root, text="就緒", bd=1, relief=tk.SUNKEN, anchor=tk.W)
        self.status_bar.pack(side=tk.BOTTOM, fill=tk.X)

    def setup_text_tab(self):
        # 文本輸入?yún)^(qū)域
        frame = ttk.LabelFrame(self.tab1, text="文本處理區(qū)域", padding=10)
        frame.pack(fill='both', expand=True, padx=5, pady=5)

        self.text_input = tk.Text(frame, height=10)
        self.text_input.pack(fill='both', expand=True, pady=5)

        btn_frame = ttk.Frame(frame)
        btn_frame.pack(fill='x', pady=5)

        ttk.Button(btn_frame, text="轉大寫", command=self.convert_upper).pack(side='left', padx=5)
        ttk.Button(btn_frame, text="轉小寫", command=self.convert_lower).pack(side='left', padx=5)
        ttk.Button(btn_frame, text="清空", command=self.clear_text).pack(side='left', padx=5)
        ttk.Button(btn_frame, text="字數(shù)統(tǒng)計", command=self.count_words).pack(side='left', padx=5)

    def setup_file_tab(self):
        frame = ttk.LabelFrame(self.tab2, text="文件操作", padding=10)
        frame.pack(fill='both', expand=True, padx=5, pady=5)

        ttk.Button(frame, text="選擇文件", command=self.select_file).pack(pady=5)
        self.file_label = ttk.Label(frame, text="未選擇文件")
        self.file_label.pack(pady=5)

        self.file_content = tk.Text(frame, height=10)
        self.file_content.pack(fill='both', expand=True, pady=5)

        ttk.Button(frame, text="保存內(nèi)容", command=self.save_file).pack(pady=5)

    def setup_calc_tab(self):
        frame = ttk.LabelFrame(self.tab3, text="簡單計算器", padding=10)
        frame.pack(fill='both', expand=True, padx=5, pady=5)

        # 輸入框
        input_frame = ttk.Frame(frame)
        input_frame.pack(fill='x', pady=5)

        ttk.Label(input_frame, text="數(shù)字1:").pack(side='left')
        self.num1 = ttk.Entry(input_frame, width=10)
        self.num1.pack(side='left', padx=5)

        ttk.Label(input_frame, text="數(shù)字2:").pack(side='left')
        self.num2 = ttk.Entry(input_frame, width=10)
        self.num2.pack(side='left', padx=5)

        # 計算按鈕
        btn_frame = ttk.Frame(frame)
        btn_frame.pack(fill='x', pady=5)

        ttk.Button(btn_frame, text="+", command=lambda: self.calculate('+')).pack(side='left', padx=5)
        ttk.Button(btn_frame, text="-", command=lambda: self.calculate('-')).pack(side='left', padx=5)
        ttk.Button(btn_frame, text="×", command=lambda: self.calculate('*')).pack(side='left', padx=5)
        ttk.Button(btn_frame, text="÷", command=lambda: self.calculate('/')).pack(side='left', padx=5)

        # 結果顯示
        self.result_label = ttk.Label(frame, text="結果: ")
        self.result_label.pack(pady=5)

    # 文本處理功能
    def convert_upper(self):
        text = self.text_input.get("1.0", tk.END)
        self.text_input.delete("1.0", tk.END)
        self.text_input.insert("1.0", text.upper())
        self.status_bar.config(text="文本已轉換為大寫")

    def convert_lower(self):
        text = self.text_input.get("1.0", tk.END)
        self.text_input.delete("1.0", tk.END)
        self.text_input.insert("1.0", text.lower())
        self.status_bar.config(text="文本已轉換為小寫")

    def clear_text(self):
        self.text_input.delete("1.0", tk.END)
        self.status_bar.config(text="文本已清空")

    def count_words(self):
        text = self.text_input.get("1.0", tk.END).strip()
        words = len(text.split())
        chars = len(text)
        messagebox.showinfo("統(tǒng)計結果", f"字數(shù)統(tǒng)計：\n單詞數(shù)：{words}\n字符數(shù)：{chars}")

    # 文件操作功能
    def select_file(self):
        file_path = filedialog.askopenfilename()
        if file_path:
            self.file_label.config(text=file_path)
            try:
                with open(file_path, 'r', encoding='utf-8') as file:
                    content = file.read()
                    self.file_content.delete("1.0", tk.END)
                    self.file_content.insert("1.0", content)
                self.status_bar.config(text=f"已打開文件：{os.path.basename(file_path)}")
            except Exception as e:
                messagebox.showerror("錯誤", f"無法打開文件：{str(e)}")

    def save_file(self):
        file_path = filedialog.asksaveasfilename(defaultextension=".txt")
        if file_path:
            try:
                content = self.file_content.get("1.0", tk.END)
                with open(file_path, 'w', encoding='utf-8') as file:
                    file.write(content)
                self.status_bar.config(text=f"文件已保存：{os.path.basename(file_path)}")
            except Exception as e:
                messagebox.showerror("錯誤", f"保存失敗：{str(e)}")

    # 計算器功能
    def calculate(self, operator):
        try:
            num1 = float(self.num1.get())
            num2 = float(self.num2.get())

            if operator == '+':
                result = num1 + num2
            elif operator == '-':
                result = num1 - num2
            elif operator == '*':
                result = num1 * num2
            elif operator == '/':
                if num2 == 0:
                    raise ValueError("除數(shù)不能為零")
                result = num1 / num2

            self.result_label.config(text=f"結果: {result:.2f}")
            self.status_bar.config(text="計算完成")
        except ValueError as e:
            messagebox.showerror("錯誤", str(e))
        except Exception as e:
            messagebox.showerror("錯誤", "請輸入有效的數(shù)字")


if __name__ == '__main__':
    root = tk.Tk()
    app = MyApp(root)
    root.mainloop()