tab标签关闭基本正常

win_text_editor/lib/framework/controllers/tab_manager.dart

@@ -5,6 +5,7 @@ import 'package:win_text_editor/framework/controllers/logger.dart';
 
 class TabManager with ChangeNotifier {
   final List<AppTab> _tabs = [];
+  final Map<String, ChangeNotifier> _tabControllers = {}; // 保存各Tab的Controller
   String? _activeTabId;
 
   List<AppTab> get tabs => _tabs;
@@ -28,11 +29,15 @@ class TabManager with ChangeNotifier {
     String? type,
     IconData? icon,
     String content = '',
+    ChangeNotifier? controller,
   }) async {
     final newTab = AppTab(id: id, title: title, type: type, icon: icon, content: content);
 
     _tabs.add(newTab);
-    _activeTabId = newTab.id;
+    if (controller != null) {
+      _tabControllers[id] = controller;
+    }
+    _activeTabId = id;
     notifyListeners();
   }
 
@@ -47,13 +52,30 @@ class TabManager with ChangeNotifier {
 
   void closeTab(String tabId) {
     Logger().info('关闭选项卡: $tabId');
-    _tabs.removeWhere((tab) => tab.id == tabId);
+    final controller = _tabControllers[tabId];
+    controller?.dispose(); // 先释放Controller
+    _tabControllers.remove(tabId); // 移除Controller引用
+    _tabs.removeWhere((tab) => tab.id == tabId); // 再移除Tab
+
     if (_activeTabId == tabId) {
       _activeTabId = _tabs.isNotEmpty ? _tabs.last.id : null;
     }
     notifyListeners();
   }
 
+  void registerController(String tabId, ChangeNotifier controller) {
+    _tabControllers[tabId] = controller;
+  }
+
+  T? getController<T extends ChangeNotifier>(String tabId) {
+    return _tabControllers[tabId] as T?;
+  }
+
+  void disposeController(String tabId) {
+    _tabControllers[tabId]?.dispose();
+    _tabControllers.remove(tabId);
+  }
+
   void setActiveTab(String tabId) {
     if (_activeTabId == tabId) return; // 如果已经是活动Tab则不通知
 

win_text_editor/lib/framework/widgets/tab_view.dart

@@ -1,34 +1,33 @@
 import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
+import 'package:win_text_editor/modules/content_search/controllers/content_search_controller.dart';
 import 'package:win_text_editor/shared/components/text_editor.dart';
 import 'package:win_text_editor/framework/controllers/tab_manager.dart';
 import 'package:win_text_editor/framework/models/tab_model.dart';
 import 'package:win_text_editor/modules/content_search/widgets/content_search_view.dart';
 
-class TabView extends StatelessWidget {
+class TabView extends StatefulWidget {
   final List<AppTab> tabs;
   final String? currentTabId;
 
   const TabView({super.key, required this.tabs, required this.currentTabId});
 
   @override
-  Widget build(BuildContext context) {
-    final activeTab = tabs.firstWhere(
-      (tab) => tab.id == currentTabId,
-      orElse: () => AppTab(id: '', title: ''), // 提供默认值
-    );
+  State<TabView> createState() => _TabViewState();
+}
+
+class _TabViewState extends State<TabView> {
+  // 缓存已创建的视图
+  final Map<String, Widget> _viewCache = {};
 
+  @override
+  Widget build(BuildContext context) {
     return Column(
       children: [
         // 选项卡标签栏
         _buildTabBar(context),
         // 选项卡内容区
-        Expanded(
-          child:
-              activeTab.id.isNotEmpty
-                  ? _buildTabContent(activeTab)
-                  : const Center(child: Text('无活动标签页')),
-        ),
+        Expanded(child: _buildTabContent()),
       ],
     );
   }
@@ -38,12 +37,12 @@ class TabView extends StatelessWidget {
       height: 40,
       child: ListView.builder(
         scrollDirection: Axis.horizontal,
-        itemCount: tabs.length,
+        itemCount: widget.tabs.length,
         itemBuilder: (ctx, index) {
-          final tab = tabs[index];
+          final tab = widget.tabs[index];
           return _TabItem(
             tab: tab,
-            isActive: tab.id == currentTabId,
+            isActive: tab.id == widget.currentTabId,
             onClose: () => context.read<TabManager>().closeTab(tab.id),
             onTap: () => context.read<TabManager>().setActiveTab(tab.id),
           );
@@ -52,16 +51,30 @@ class TabView extends StatelessWidget {
     );
   }
 
-  Widget _buildTabContent(AppTab tab) {
+  Widget _buildTabContent() {
+    final tabManager = Provider.of<TabManager>(context, listen: false);
+    final activeIndex = widget.tabs.indexWhere((t) => t.id == widget.currentTabId);
+    if (activeIndex == -1) return const Center(child: Text('无活动标签页'));
+
     return IndexedStack(
-      index: tabs.indexWhere((tab) => tab.id == currentTabId).clamp(0, tabs.length - 1),
+      index: activeIndex,
       children:
-          tabs.map((tab) {
-            return findActiveView(tab);
+          widget.tabs.map((tab) {
+            final controller = tabManager.getController<ContentSearchController>(tab.id);
+            return KeyedSubtree(key: ValueKey(tab.id), child: _buildTabItem(tab, controller));
           }).toList(),
     );
   }
 
+  Widget _buildTabItem(AppTab tab, ContentSearchController? controller) {
+    switch (tab.type) {
+      case 'content_search':
+        return ContentSearchView(tabId: tab.id, controller: controller);
+      default:
+        return TextEditor(tabId: tab.id, initialContent: tab.content);
+    }
+  }
+
   // 查找当前活动的视图
   Widget findActiveView(AppTab tab) {
     switch (tab.type) {

win_text_editor/lib/modules/content_search/controllers/content_search_controller.dart

@@ -1,18 +1,15 @@
 // content_search_controller.dart
 
 import 'dart:async';
-import 'dart:convert';
 import 'dart:io';
 
 import 'package:flutter/material.dart';
 import 'package:file_picker/file_picker.dart';
-import 'package:path/path.dart' as path;
 import 'package:win_text_editor/framework/controllers/tab_manager.dart';
 import 'package:win_text_editor/framework/controllers/logger.dart';
 import 'package:win_text_editor/modules/content_search/models/search_mode.dart';
 import 'package:win_text_editor/modules/content_search/models/search_result.dart';
 import '../services/content_search_service.dart';
-import 'package:flutter_js/flutter_js.dart';
 
 class ContentSearchController with ChangeNotifier {
   final TabManager tabManager;
@@ -26,11 +23,8 @@ class ContentSearchController with ChangeNotifier {
   bool _customRule = false;
   SearchMode _searchMode = SearchMode.locate;
   final List<SearchResult> _results = [];
-  late final JavascriptRuntime _jsRuntime;
 
-  ContentSearchController({required this.tabManager}) {
-    _jsRuntime = getJavascriptRuntime();
-  }
+  ContentSearchController({required this.tabManager});
 
   // Getters
   String get searchQuery => _searchQuery;

win_text_editor/lib/modules/content_search/widgets/content_search_view.dart

@@ -8,7 +8,9 @@ import 'search_settings.dart';
 import 'results_view.dart';
 
 class ContentSearchView extends BaseView {
-  const ContentSearchView({super.key, required String tabId}) : super(tabId: tabId);
+  final ContentSearchController? controller;
+  const ContentSearchView({super.key, required String tabId, this.controller})
+    : super(tabId: tabId);
 
   @override
   ContentSearchViewState createState() => ContentSearchViewState();
@@ -19,13 +21,20 @@ class ContentSearchViewState extends BaseViewState {
 
   @override
   void initState() {
+    print('Initializing ContentSearchViewState, tabId: ${widget.tabId}');
     super.initState();
-    _controller = ContentSearchController(tabManager: tabManager);
+    _controller =
+        tabManager.getController(widget.tabId) ?? ContentSearchController(tabManager: tabManager);
+
+    // 注册Controller到TabManager
+    if ((widget as ContentSearchView).controller == null) {
+      tabManager.registerController(widget.tabId, _controller);
+    }
   }
 
   @override
   void dispose() {
-    _controller.dispose(); // 清理控制器
+    print('dispose ContentSearchViewState, tabId: ${widget.tabId}');
     super.dispose();
   }