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#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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"""
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GUI主界面模块
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FreeNote应用的图形用户界面
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"""
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import tkinter as tk
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from tkinter import ttk, messagebox, filedialog
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import datetime
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from mod_conf import get_config_manager, get_setting, set_setting
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from mod_tpl import get_template_help_text
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from mod_file import save_note_content, FileSaveError
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class FreeNoteApp:
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def __init__(self, root):
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self.root = root
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self.root.title("FreeNote-随手记")
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self.root.geometry("1000x800")
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# 文本修改状态标志
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self.text_modified = False
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# 获取配置管理器
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self.config_manager = get_config_manager()
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# 创建界面
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self.create_widgets()
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# 绑定快捷键
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self.bind_shortcuts()
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def create_widgets(self):
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"""创建界面组件"""
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# 初始化界面变量
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self.init_ui_variables()
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# 创建主框架
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main_frame = ttk.Frame(self.root)
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main_frame.pack(fill=tk.BOTH, expand=True, padx=5, pady=5)
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# 配置Grid布局权重
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main_frame.grid_rowconfigure(0, weight=0) # 工具栏：固定高度
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main_frame.grid_rowconfigure(1, weight=1) # 文本区域：可伸缩
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main_frame.grid_rowconfigure(2, weight=0) # 状态栏：固定高度
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main_frame.grid_columnconfigure(0, weight=1) # 列可伸缩
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# 工具栏
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self.create_toolbar(main_frame)
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# 文本编辑区域
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self.create_text_area(main_frame)
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# 状态栏
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self.create_status_bar(main_frame)
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def init_ui_variables(self):
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"""初始化界面变量"""
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# 目录变量
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self.folder_var = tk.StringVar(
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value=get_setting('folder'))
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# 文件名变量
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self.filename_var = tk.StringVar(
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value=get_setting('filename'))
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# 扩展名变量
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self.ext_var = tk.StringVar(
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value=get_setting('ext'))
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def create_toolbar(self, parent):
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"""创建工具栏"""
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toolbar = ttk.Frame(parent)
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toolbar.grid(row=0, column=0, sticky=tk.EW, pady=(0, 5))
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# 配置grid权重，使目录框和文件名框可以缩放
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toolbar.grid_columnconfigure(0, weight=1) # 目录框列
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toolbar.grid_columnconfigure(2, weight=2) # 文件名框列，权重为目录框的2倍
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# 目录框
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self.dir_entry = ttk.Entry(toolbar, textvariable=self.folder_var)
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self.dir_entry.grid(row=0, column=0, sticky=tk.EW, padx=(0, 5))
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# 绑定失去焦点事件
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self.dir_entry.bind('<FocusOut>', self.on_folder_focus_out)
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self.dir_entry.bind('<Return>', self.on_folder_focus_out)
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# 选择目录按钮
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browse_btn = ttk.Button(toolbar, text="选择", width=4, command=self.browse_folder)
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browse_btn.grid(row=0, column=1, padx=(0, 10))
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# 文件名框
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self.filename_entry = ttk.Entry(
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toolbar, textvariable=self.filename_var)
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self.filename_entry.grid(row=0, column=2, sticky=tk.EW, padx=(0, 5))
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# 绑定失去焦点事件
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self.filename_entry.bind('<FocusOut>', self.on_filename_focus_out)
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self.filename_entry.bind('<Return>', self.on_filename_focus_out)
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# 模板按钮
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template_btn = ttk.Button(toolbar, text="模板", width=4, command=self.show_template_help)
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template_btn.grid(row=0, column=3, padx=(0, 10))
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# 扩展名选择框
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ext_combo = ttk.Combobox(toolbar, textvariable=self.ext_var, values=['.txt', '.md'], width=8, state='readonly')
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ext_combo.bind('<<ComboboxSelected>>', self.on_ext_change)
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ext_combo.grid(row=0, column=4, padx=(0, 10))
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# 保存按钮
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save_btn = ttk.Button(toolbar, text="保存", width=4, command=self.save_note)
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save_btn.grid(row=0, column=5)
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def create_text_area(self, parent):
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"""创建文本编辑区域"""
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text_frame = ttk.Frame(parent)
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text_frame.grid(row=1, column=0, sticky=tk.NSEW)
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# 配置文本框架的布局权重
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text_frame.grid_rowconfigure(0, weight=1)
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text_frame.grid_columnconfigure(0, weight=1)
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# 文本框
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self.text_area = tk.Text(text_frame, wrap=tk.WORD)
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self.text_area.grid(row=0, column=0, sticky=tk.NSEW)
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# 绑定文本修改事件
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self.text_area.bind('<KeyPress>', self.on_text_modified)
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self.text_area.bind('<KeyRelease>', self.on_text_modified)
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self.text_area.bind('<Button-1>', self.on_text_modified)
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self.text_area.bind('<Control-v>', self.on_text_modified) # 粘贴
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self.text_area.bind('<Control-x>', self.on_text_modified) # 剪切
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# 滚动条
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scrollbar = ttk.Scrollbar(text_frame, orient=tk.VERTICAL, command=self.text_area.yview)
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scrollbar.grid(row=0, column=1, sticky=tk.NS)
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self.text_area.config(yscrollcommand=scrollbar.set)
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def create_status_bar(self, parent):
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"""创建状态栏"""
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status_frame = ttk.Frame(parent)
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status_frame.grid(row=2, column=0, sticky=tk.EW, pady=(5, 0))
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# 配置状态栏布局权重
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status_frame.grid_columnconfigure(0, weight=1) # 左侧状态消息可伸缩
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status_frame.grid_columnconfigure(1, weight=0) # 右侧尺寸信息固定
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# 主状态消息
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self.status_var = tk.StringVar()
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status_label = ttk.Label(status_frame, textvariable=self.status_var)
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status_label.grid(row=0, column=0, sticky=tk.W)
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# 窗口尺寸信息
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self.size_var = tk.StringVar()
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size_label = ttk.Label(status_frame, textvariable=self.size_var)
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size_label.grid(row=0, column=1, sticky=tk.E)
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# 初始化窗口尺寸显示
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self.update_window_size()
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# 绑定窗口resize事件
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self.root.bind('<Configure>', self.on_window_resize)
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def bind_shortcuts(self):
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"""绑定快捷键"""
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self.root.bind('<Control-s>', lambda e: self.save_note())
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self.root.bind('<Control-n>', lambda e: self.clear_text())
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def on_text_modified(self, event=None):
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"""文本内容修改时的回调"""
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# 使用after方法延迟检查，确保文本已经更新
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self.root.after_idle(self.check_text_modified)
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def check_text_modified(self):
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"""检查文本是否被修改"""
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current_content = self.text_area.get("1.0", tk.END).strip()
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if current_content and not self.text_modified:
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self.text_modified = True
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self.update_title()
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elif not current_content and self.text_modified:
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self.text_modified = False
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self.update_title()
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def update_title(self):
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"""更新窗口标题以显示修改状态"""
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base_title = "FreeNote - 随手记录"
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if self.text_modified:
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self.root.title(f"{base_title} *")
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else:
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self.root.title(base_title)
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def reset_modified_flag(self):
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"""重置修改标志"""
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self.text_modified = False
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self.update_title()
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def clear_text(self):
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"""清空文本框内容"""
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if self.text_modified:
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# 如果文本已修改，询问用户是否确认清空
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if not messagebox.askyesno("确认", "文本内容已修改但未保存，确定要清空吗？"):
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return
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# 清空文本框
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self.text_area.delete("1.0", tk.END)
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# 重置修改标志
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self.reset_modified_flag()
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# 更新状态栏
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self.update_status("文本已清空")
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def on_folder_focus_out(self, event=None):
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"""目录框失去焦点时保存配置"""
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new_val = self.folder_var.get().strip()
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old_val = get_setting('folder')
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if new_val and new_val != old_val:
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# 更新配置
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set_setting('folder', new_val)
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self.update_status(f"保存文件夹{new_val}")
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def on_filename_focus_out(self, event=None):
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"""文件名框失去焦点时保存配置"""
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new_val = self.filename_var.get().strip()
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old_val = get_setting('filename')
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if new_val and new_val != old_val:
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# 更新配置
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set_setting('filename', new_val)
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self.update_status(f"文件名{new_val}")
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def on_ext_change(self, event=None):
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"""扩展名变化时保存配置"""
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new_val = self.ext_var.get().strip()
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old_val = get_setting('ext')
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if new_val and new_val != old_val:
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# 更新配置
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set_setting('ext', new_val)
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self.update_status(f"扩展名已更改为{new_val}")
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def browse_folder(self):
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"""浏览选择目录"""
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folder = filedialog.askdirectory(initialdir=self.folder_var.get())
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if folder:
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self.folder_var.set(folder)
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# 触发失去焦点事件来保存配置
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self.on_folder_focus_out()
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def save_note(self):
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"""保存笔记"""
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# 检查文本是否被修改
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if not self.text_modified:
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messagebox.showinfo("提示", "文本内容未修改，无需保存。")
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return
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content = self.text_area.get("1.0", tk.END)
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try:
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# 获取参数
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filename_template = self.filename_var.get().strip()
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folder = self.folder_var.get().strip()
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ext = self.ext_var.get().strip()
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# 定义覆盖确认回调
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def overwrite_callback(filepath):
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return messagebox.askyesno("确认", f"文件 {filepath} 已存在，是否覆盖？")
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# 保存文件
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filepath = save_note_content(
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content, filename_template, folder, ext,
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overwrite_callback=overwrite_callback
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)
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# 更新状态
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self.update_status(f"已保存: {filepath}")
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# 重置修改标志
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self.reset_modified_flag()
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except FileSaveError as e:
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messagebox.showerror("错误", str(e))
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except Exception as e:
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messagebox.showerror("错误", f"保存失败: {str(e)}")
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def update_status(self, message):
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"""更新状态栏"""
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status_text = f"{datetime.datetime.now().strftime('%H:%M:%S')} - {message}"
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self.status_var.set(status_text)
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def update_window_size(self):
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"""更新窗口尺寸显示"""
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width = self.root.winfo_width()
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height = self.root.winfo_height()
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self.size_var.set(f"{width} x {height}")
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def on_window_resize(self, event=None):
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"""窗口尺寸变化事件处理"""
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# 只响应主窗口的resize事件，忽略子组件的事件
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if event and event.widget == self.root:
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self.update_window_size()
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def show_template_help(self):
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"""显示模板变量帮助"""
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help_text = get_template_help_text()
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messagebox.showinfo("文件名模板帮助", help_text)
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def create_app():
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"""创建并返回应用程序实例"""
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root = tk.Tk()
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app = FreeNoteApp(root)
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return root, app
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