底部tab的灵活可控

2026-05-14 15:08:19 +08:00
parent a4ac503abd
commit 03f797e717
11 changed files with 1515 additions and 0 deletions
--- a/lib/features/main_container/presentation/cubit/tab_config_cubit.dart
+++ b/lib/features/main_container/presentation/cubit/tab_config_cubit.dart
@@ -0,0 +1,87 @@
+import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+import 'dart:convert';
+import '../../domain/tab_config.dart';
+
+abstract class TabConfigState {}
+
+class TabConfigInitial extends TabConfigState {}
+
+class TabConfigLoaded extends TabConfigState {
+  final TabConfig config;
+
+  TabConfigLoaded(this.config);
+}
+
+class TabConfigCubit extends Cubit<TabConfigState> {
+  final SharedPreferences _prefs;
+  static const String _configKey = 'tab_config';
+
+  TabConfigCubit(this._prefs) : super(TabConfigInitial()) {
+    _loadConfig();
+  }
+
+  void _loadConfig() {
+    try {
+      final configJson = _prefs.getString(_configKey);
+      if (configJson != null) {
+        final List<dynamic> decoded = jsonDecode(configJson);
+        final items = decoded.map((e) {
+          final map = Map<String, dynamic>.from(e);
+          return TabConfigItem(
+            id: map['id'] as String,
+            name: map['name'] as String,
+            nameEn: map['nameEn'] as String,
+            icon: map['icon'] as String,
+            isEnabled: map['isEnabled'] as bool,
+            order: map['order'] as int,
+          );
+        }).toList();
+        emit(TabConfigLoaded(TabConfig(items: items)));
+      } else {
+        final defaultConfig = TabConfig.defaultConfig();
+        _saveConfig(defaultConfig);
+        emit(TabConfigLoaded(defaultConfig));
+      }
+    } catch (e) {
+      final defaultConfig = TabConfig.defaultConfig();
+      emit(TabConfigLoaded(defaultConfig));
+    }
+  }
+
+  void _saveConfig(TabConfig config) {
+    try {
+      final configList = config.items.map((item) => {
+        'id': item.id,
+        'name': item.name,
+        'nameEn': item.nameEn,
+        'icon': item.icon,
+        'isEnabled': item.isEnabled,
+        'order': item.order,
+      }).toList();
+      _prefs.setString(_configKey, jsonEncode(configList));
+    } catch (e) {
+      print('保存 Tab 配置失败: $e');
+    }
+  }
+
+  void toggleTab(String itemId) {
+    if (state is TabConfigLoaded) {
+      final currentState = state as TabConfigLoaded;
+      final newConfig = currentState.config.toggleItem(itemId);
+      
+      // 只有配置真正改变时才保存和 emit
+      if (newConfig != currentState.config) {
+        _saveConfig(newConfig);
+        emit(TabConfigLoaded(newConfig));
+      }
+    }
+  }
+
+  TabConfig? getConfig() {
+    if (state is TabConfigLoaded) {
+      return (state as TabConfigLoaded).config;
+    }
+    return null;
+  }
+}