refactor: implement UI code optimization and refactoring

This commit implements the comprehensive UI code refactoring plan to improve
code quality, reduce duplication, and enhance maintainability.

Phase 1: High Priority Improvements
- Create BaseDialog class to eliminate window centering code duplication
  across ProgressDialog, DeleteProgressWindow, LoginDialog, and
  UserSelectionDialog (~30 lines of duplicate code removed)
- Unify log color configuration with LogTheme class in gui/log_config.py
- Create permission check decorators (@require_admin, @require_permission,
  @require_user_type, @handle_errors)
- Update all dialog classes to use unified patterns

Phase 2: Architecture Improvements
- Create input validation framework (ValidationResult, Validator,
  ValidatedWidget classes)
- Implement StateManager with observer pattern for component state sharing
- Create unified ErrorHandler for consistent error handling
- Extract CheckboxTreeview into reusable component

New Modules:
- gui/widgets/base_dialog.py - Base dialog class with modal setup and centering
- gui/utils/decorators.py - Permission and error handling decorators
- gui/utils/error_handler.py - Unified error handling with user-friendly messages
- gui/utils/state_manager.py - State management with observer pattern
- gui/utils/validators.py - Input validation framework
- gui/material_validation/checkbox_treeview.py - Reusable checkbox table

Modified Files:
- gui/log_config.py - Added LogTheme class for centralized styling
- gui/widgets/log_text.py - Use LogTheme.COLORS
- gui/widgets/progress_dialog.py - Inherit from BaseDialog
- gui/widgets/delete_progress_window.py - Inherit from BaseDialog, use LogTheme
- gui/widgets/__init__.py - Add new exports, optional imports
- gui/login_dialog.py - Use unified centering pattern
- gui/user_selection_dialog.py - Use unified centering pattern
- gui/material_validation_tab.py - Import CheckboxTreeview from new module

Benefits:
- Reduced code duplication by ~200 lines
- Improved maintainability through centralized configuration
- Better abstraction with 5 new reusable base classes
- Enhanced type safety with type hints
- Future-proof theming support via LogTheme

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

gui/widgets/delete_progress_window.py

@@ -10,6 +10,8 @@ import tkinter as tk
 from tkinter import ttk, scrolledtext
 from typing import Optional, Callable
 from datetime import datetime
+from gui.log_config import LogTheme
+from gui.widgets.base_dialog import BaseDialog
 
 # 尝试导入 tkinterweb 和 markdown2
 try:
@@ -25,7 +27,7 @@ except ImportError:
     HAS_MARKDOWN2 = False
 
 
-class DeleteProgressWindow:
+class DeleteProgressWindow(BaseDialog):
     """删除进度窗口"""
 
     def __init__(
@@ -46,40 +48,51 @@ class DeleteProgressWindow:
             dryrun: 是否为预览模式
             on_cancel: 取消回调函数
         """
-        self.parent = parent
         self.on_cancel = on_cancel
         self.cancelled = False
         self.managers = managers
         self.dryrun = dryrun
+        self.main_frame = None
+        self.progress_frame = None
+        self.progress_var = None
+        self.progress_label = None
+        self.progress_bar = None
+        self.log_frame = None
+        self.log_text = None
+        self.report_frame = None
+        self.report_html = None
+        self.report_text = None
+        self.cancel_button = None
+        self.close_button = None
 
-        # 创建窗口
-        self.window = tk.Toplevel(parent)
-        self.window.title(title)
-        self.window.resizable(True, True)
-        self.window.transient(parent)
+        # 调用父类初始化（会自动设置为模态并居中）
+        super().__init__(parent, title)
 
-        # 设置窗口大小
-        self.window.geometry("700x600")
+        # 设置可调整大小
+        self.resizable(True, True)
 
         # 创建内容
         self._create_widgets()
 
-        # 居中显示
-        self._center()
+        # 设置固定大小并重新居中
+        self._set_fixed_size(700, 600)
 
-    def _center(self):
-        """将窗口居中显示"""
-        self.window.update_idletasks()
-        width = 700
-        height = 600
-        x = (self.window.winfo_screenwidth() // 2) - (width // 2)
-        y = (self.window.winfo_screenheight() // 2) - (height // 2)
-        self.window.geometry(f"{width}x{height}+{x}+{y}")
+    def _set_fixed_size(self, width: int, height: int):
+        """
+        设置固定大小并重新居中
+
+        Args:
+            width: 宽度
+            height: 高度
+        """
+        self.update_idletasks()
+        self.geometry(f"{width}x{height}")
+        self._center_window()
 
     def _create_widgets(self):
         """创建窗口组件"""
         # 主容器
-        self.main_frame = ttk.Frame(self.window, padding=10)
+        self.main_frame = ttk.Frame(self, padding=10)
         self.main_frame.pack(fill=tk.BOTH, expand=True)
 
         # 信息区域
@@ -124,11 +137,11 @@ class DeleteProgressWindow:
         )
         self.log_text.pack(fill=tk.BOTH, expand=True)
 
-        # 配置日志标签颜色
-        self.log_text.tag_configure('info', foreground='black')
-        self.log_text.tag_configure('success', foreground='green')
-        self.log_text.tag_configure('warning', foreground='orange')
-        self.log_text.tag_configure('error', foreground='red')
+        # 配置日志标签颜色（使用统一主题）
+        self.log_text.tag_configure('info', foreground=LogTheme.get_color('INFO'))
+        self.log_text.tag_configure('success', foreground=LogTheme.get_color('SUCCESS'))
+        self.log_text.tag_configure('warning', foreground=LogTheme.get_color('WARNING'))
+        self.log_text.tag_configure('error', foreground=LogTheme.get_color('ERROR'))
 
         # 报告区域（完成后显示）- 初始隐藏
         self.report_frame = ttk.LabelFrame(self.main_frame, text="执行报告", padding=5)
@@ -191,7 +204,7 @@ class DeleteProgressWindow:
             self.progress_var.set(message)
         else:
             self.progress_var.set(message)
-        self.window.update_idletasks()
+        self.update_idletasks()
 
     def append_log(self, message: str, level: str = "info"):
         """
@@ -208,7 +221,7 @@ class DeleteProgressWindow:
         self.log_text.insert(tk.END, log_entry, level)
         self.log_text.see(tk.END)
         self.log_text.config(state=tk.DISABLED)
-        self.window.update_idletasks()
+        self.update_idletasks()
 
     def show_report(self, markdown_content: str):
         """
@@ -242,7 +255,7 @@ class DeleteProgressWindow:
             self.report_text.config(state=tk.DISABLED)
 
         # 更新标题
-        self.window.title("执行报告")
+        self.title("执行报告")
 
         # 隐藏取消按钮，显示关闭按钮
         self.cancel_button.pack_forget()
@@ -435,7 +448,7 @@ class DeleteProgressWindow:
 
     def close(self):
         """关闭窗口"""
-        self.window.destroy()
+        self.destroy()
 
     def is_cancelled(self) -> bool:
         """检查是否已取消"""
@@ -444,4 +457,4 @@ class DeleteProgressWindow:
     def set_completed(self):
         """设置为完成状态"""
         self.cancel_button.pack_forget()
-        self.close_button.pack(side=tk.RIGHT)
+        self.close_button.pack(side=tk.RIGHT)