607 lines
18 KiB
Dart
607 lines
18 KiB
Dart
import 'package:flutter/material.dart';
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import '../../../models/prompt_models.dart';
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import '../../../services/api_service/base/api_client.dart';
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import '../../../services/api_service/repositories/impl/prompt_repository_impl.dart';
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import '../../../utils/logger.dart';
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import '../../../widgets/common/loading_indicator.dart';
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import 'user_template_card.dart';
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import 'add_user_template_dialog.dart';
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import 'edit_user_template_dialog.dart';
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/// 用户模板管理面板
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class UserTemplateManagementPanel extends StatefulWidget {
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const UserTemplateManagementPanel({Key? key}) : super(key: key);
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@override
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State<UserTemplateManagementPanel> createState() => _UserTemplateManagementPanelState();
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}
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class _UserTemplateManagementPanelState extends State<UserTemplateManagementPanel>
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with TickerProviderStateMixin {
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final PromptRepositoryImpl _promptRepository = PromptRepositoryImpl(ApiClient());
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late TabController _tabController;
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List<PromptTemplate> _templates = [];
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List<PromptTemplate> _selectedTemplates = [];
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bool _isLoading = true;
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bool _batchMode = false;
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String? _error;
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String _searchQuery = '';
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String _currentTab = 'ALL';
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static const List<String> _tabs = ['ALL', 'PRIVATE', 'SHARED', 'FAVORITES'];
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static const Map<String, String> _tabLabels = {
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'ALL': '全部模板',
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'PRIVATE': '私有模板',
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'SHARED': '已分享',
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'FAVORITES': '收藏夹',
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};
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@override
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void initState() {
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super.initState();
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_tabController = TabController(length: _tabs.length, vsync: this);
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_tabController.addListener(_onTabChanged);
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_loadTemplates();
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}
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@override
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void dispose() {
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_tabController.dispose();
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super.dispose();
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}
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void _onTabChanged() {
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if (!_tabController.indexIsChanging) {
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setState(() {
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_currentTab = _tabs[_tabController.index];
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_selectedTemplates.clear();
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_batchMode = false;
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});
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_loadTemplates();
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}
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}
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@override
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Widget build(BuildContext context) {
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return Column(
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children: [
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_buildHeader(),
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_buildTabBar(),
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Expanded(
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child: _buildContent(),
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),
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],
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);
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}
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Widget _buildHeader() {
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return Container(
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padding: const EdgeInsets.all(16),
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decoration: BoxDecoration(
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color: Theme.of(context).cardColor,
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border: Border(
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bottom: BorderSide(
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color: Theme.of(context).dividerColor,
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),
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),
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),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Row(
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children: [
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const Icon(Icons.article_outlined, size: 24),
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const SizedBox(width: 8),
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const Text(
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'我的模板库',
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style: TextStyle(fontSize: 18, fontWeight: FontWeight.bold),
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),
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const Spacer(),
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ElevatedButton.icon(
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onPressed: _showAddTemplateDialog,
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icon: const Icon(Icons.add),
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label: const Text('新建模板'),
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),
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],
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),
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const SizedBox(height: 16),
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Row(
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children: [
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// 搜索框
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Expanded(
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flex: 3,
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child: TextField(
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onChanged: (value) {
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setState(() {
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_searchQuery = value;
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});
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_loadTemplates();
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},
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decoration: InputDecoration(
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hintText: '搜索我的模板...',
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prefixIcon: const Icon(Icons.search),
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border: OutlineInputBorder(
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borderRadius: BorderRadius.circular(8),
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),
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contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 12),
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),
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),
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),
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const SizedBox(width: 16),
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// 批量操作开关
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if (_templates.isNotEmpty) ...[
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FilterChip(
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label: Text('批量操作${_batchMode ? ' (${_selectedTemplates.length})' : ''}'),
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selected: _batchMode,
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onSelected: (selected) {
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setState(() {
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_batchMode = selected;
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if (!selected) {
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_selectedTemplates.clear();
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}
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});
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},
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),
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const SizedBox(width: 8),
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],
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// 批量操作按钮
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if (_batchMode && _selectedTemplates.isNotEmpty) ...[
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PopupMenuButton<String>(
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onSelected: (value) => _handleBatchAction(value),
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itemBuilder: (context) => [
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const PopupMenuItem(
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value: 'share',
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child: Row(
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children: [
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Icon(Icons.share, size: 18),
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SizedBox(width: 8),
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Text('批量分享'),
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],
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),
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),
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const PopupMenuItem(
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value: 'favorite',
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child: Row(
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children: [
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Icon(Icons.favorite, size: 18),
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SizedBox(width: 8),
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Text('添加到收藏'),
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],
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),
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),
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const PopupMenuItem(
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value: 'delete',
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child: Row(
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children: [
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Icon(Icons.delete, size: 18, color: Colors.red),
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SizedBox(width: 8),
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Text('批量删除', style: TextStyle(color: Colors.red)),
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],
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),
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),
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],
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child: ElevatedButton.icon(
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onPressed: null,
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icon: const Icon(Icons.more_vert),
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label: const Text('批量操作'),
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),
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),
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const SizedBox(width: 8),
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],
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// 刷新按钮
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IconButton(
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onPressed: _loadTemplates,
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icon: const Icon(Icons.refresh),
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tooltip: '刷新',
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),
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],
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),
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],
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),
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);
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}
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Widget _buildTabBar() {
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return Container(
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decoration: BoxDecoration(
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color: Theme.of(context).cardColor,
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border: Border(
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bottom: BorderSide(
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color: Theme.of(context).dividerColor,
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),
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),
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),
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child: TabBar(
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controller: _tabController,
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isScrollable: true,
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tabs: _tabs.map((tab) => Tab(
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text: _tabLabels[tab],
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)).toList(),
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),
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);
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}
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Widget _buildContent() {
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if (_isLoading) {
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return const Center(child: LoadingIndicator());
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}
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if (_error != null) {
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return Center(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Icon(
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Icons.error_outline,
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size: 64,
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color: Theme.of(context).colorScheme.error,
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),
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const SizedBox(height: 16),
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Text(
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'加载失败',
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style: Theme.of(context).textTheme.titleLarge,
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),
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const SizedBox(height: 8),
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Text(
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_error!,
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style: Theme.of(context).textTheme.bodyMedium?.copyWith(
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color: Theme.of(context).textTheme.bodyMedium?.color?.withOpacity(0.7),
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),
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textAlign: TextAlign.center,
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),
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const SizedBox(height: 24),
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ElevatedButton.icon(
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onPressed: _loadTemplates,
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icon: const Icon(Icons.refresh),
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label: const Text('重试'),
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),
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],
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),
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);
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}
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if (_templates.isEmpty) {
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return Center(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Icon(
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Icons.article_outlined,
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size: 64,
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color: Theme.of(context).colorScheme.onSurface.withOpacity(0.3),
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),
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const SizedBox(height: 16),
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Text(
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'暂无模板',
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style: Theme.of(context).textTheme.titleLarge?.copyWith(
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color: Theme.of(context).colorScheme.onSurface.withOpacity(0.6),
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),
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),
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const SizedBox(height: 8),
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Text(
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'创建您的第一个提示词模板',
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style: Theme.of(context).textTheme.bodyMedium?.copyWith(
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color: Theme.of(context).colorScheme.onSurface.withOpacity(0.6),
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),
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),
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const SizedBox(height: 24),
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ElevatedButton.icon(
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onPressed: _showAddTemplateDialog,
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icon: const Icon(Icons.add),
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label: const Text('新建模板'),
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),
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],
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),
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);
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}
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return TabBarView(
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controller: _tabController,
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children: _tabs.map((tab) => _buildTemplateList()).toList(),
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);
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}
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Widget _buildTemplateList() {
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final filteredTemplates = _getFilteredTemplates();
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return Padding(
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padding: const EdgeInsets.all(16),
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child: ListView.builder(
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itemCount: filteredTemplates.length,
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itemBuilder: (context, index) {
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final template = filteredTemplates[index];
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return UserTemplateCard(
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template: template,
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isSelected: _selectedTemplates.contains(template),
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batchMode: _batchMode,
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onTap: () => _onTemplateCardTap(template),
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onEdit: () => _showEditTemplateDialog(template),
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onShare: () => _shareTemplate(template),
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onFavorite: () => _toggleTemplateFavorite(template),
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onDelete: () => _deleteTemplate(template),
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onSelectionChanged: (selected) => _onTemplateSelectionChanged(template, selected),
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);
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},
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),
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);
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}
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List<PromptTemplate> _getFilteredTemplates() {
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List<PromptTemplate> filteredTemplates = List.from(_templates);
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// 根据标签页筛选
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switch (_currentTab) {
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case 'PRIVATE':
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filteredTemplates = filteredTemplates.where((t) => t.isPublic == false).toList();
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break;
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case 'SHARED':
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filteredTemplates = filteredTemplates.where((t) => t.isPublic == true).toList();
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break;
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case 'FAVORITES':
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filteredTemplates = filteredTemplates.where((t) => t.isFavorite == true).toList();
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break;
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}
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// 根据搜索条件筛选
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if (_searchQuery.isNotEmpty) {
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filteredTemplates = filteredTemplates.where((template) {
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final query = _searchQuery.toLowerCase();
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return template.name.toLowerCase().contains(query) ||
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((template.description ?? '').toLowerCase().contains(query)) ||
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(template.content.toLowerCase().contains(query));
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}).toList();
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}
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return filteredTemplates;
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}
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// 数据加载
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Future<void> _loadTemplates() async {
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setState(() {
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_isLoading = true;
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_error = null;
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});
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try {
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// 仓库当前不支持按搜索服务端筛选，这里拉取全部再前端过滤
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final templates = await _promptRepository.getPromptTemplates();
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setState(() {
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_templates = templates;
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_isLoading = false;
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});
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} catch (e) {
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AppLogger.error('加载用户模板失败', e.toString());
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setState(() {
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_error = e.toString();
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_isLoading = false;
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});
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}
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}
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// 事件处理
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void _onTemplateCardTap(PromptTemplate template) {
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if (_batchMode) {
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_onTemplateSelectionChanged(template, !_selectedTemplates.contains(template));
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} else {
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_showTemplateDetails(template);
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}
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}
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void _onTemplateSelectionChanged(PromptTemplate template, bool selected) {
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setState(() {
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if (selected) {
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_selectedTemplates.add(template);
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} else {
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_selectedTemplates.remove(template);
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}
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});
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}
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// 对话框显示
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void _showAddTemplateDialog() {
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showDialog(
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context: context,
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builder: (context) => AddUserTemplateDialog(
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onSuccess: _loadTemplates,
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),
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);
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}
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void _showEditTemplateDialog(PromptTemplate template) {
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showDialog(
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context: context,
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builder: (context) => EditUserTemplateDialog(
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template: template,
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onSuccess: _loadTemplates,
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),
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);
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}
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void _showTemplateDetails(PromptTemplate template) {
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// TODO: 实现模板详情对话框
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(content: Text('查看模板详情: ${template.name}')),
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);
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}
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// 操作方法
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Future<void> _shareTemplate(PromptTemplate template) async {
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// 当前仓库未提供分享接口，占位提示
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(content: Text('分享功能暂未实现')),
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);
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}
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Future<void> _toggleTemplateFavorite(PromptTemplate template) async {
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try {
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final updated = await _promptRepository.toggleTemplateFavorite(template);
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final action = updated.isFavorite ? '添加到收藏' : '取消收藏';
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(content: Text('${updated.name} $action')),
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);
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_loadTemplates();
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} catch (e) {
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AppLogger.error('切换模板收藏状态失败', e.toString());
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(content: Text('操作失败: ${e.toString()}')),
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);
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}
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}
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Future<void> _deleteTemplate(PromptTemplate template) async {
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final confirmed = await showDialog<bool>(
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context: context,
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builder: (context) => AlertDialog(
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title: const Text('确认删除'),
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content: Text('确定要删除模板 "${template.name}" 吗？此操作不可撤销。'),
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actions: [
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TextButton(
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onPressed: () => Navigator.of(context).pop(false),
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child: const Text('取消'),
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),
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ElevatedButton(
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onPressed: () => Navigator.of(context).pop(true),
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style: ElevatedButton.styleFrom(
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backgroundColor: Colors.red,
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foregroundColor: Colors.white,
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),
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child: const Text('删除'),
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),
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],
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),
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);
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if (confirmed != true) return;
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try {
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await _promptRepository.deletePromptTemplate(template.id);
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(content: Text('模板 "${template.name}" 删除成功')),
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);
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_loadTemplates();
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} catch (e) {
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AppLogger.error('删除模板失败', e.toString());
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(content: Text('删除失败: $e')),
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);
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}
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}
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// 批量操作
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Future<void> _handleBatchAction(String action) async {
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if (_selectedTemplates.isEmpty) return;
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switch (action) {
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case 'share':
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await _batchShareTemplates();
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break;
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case 'favorite':
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await _batchFavoriteTemplates();
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break;
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case 'delete':
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await _batchDeleteTemplates();
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break;
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}
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}
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Future<void> _batchShareTemplates() async {
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try {
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// 当前仓库未提供分享接口
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(content: Text('成功分享 ${_selectedTemplates.length} 个模板')),
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);
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setState(() {
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_selectedTemplates.clear();
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_batchMode = false;
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});
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_loadTemplates();
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} catch (e) {
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AppLogger.error('批量分享模板失败', e.toString());
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(content: Text('批量分享失败: $e')),
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);
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}
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}
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Future<void> _batchFavoriteTemplates() async {
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try {
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for (final template in _selectedTemplates) {
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if (!template.isFavorite) {
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await _promptRepository.toggleTemplateFavorite(template);
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}
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}
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(content: Text('成功添加 ${_selectedTemplates.length} 个模板到收藏')),
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);
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setState(() {
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_selectedTemplates.clear();
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_batchMode = false;
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});
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_loadTemplates();
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} catch (e) {
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AppLogger.error('批量收藏模板失败', e.toString());
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(content: Text('批量收藏失败: $e')),
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);
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}
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}
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Future<void> _batchDeleteTemplates() async {
|
|
final confirmed = await showDialog<bool>(
|
|
context: context,
|
|
builder: (context) => AlertDialog(
|
|
title: const Text('确认批量删除'),
|
|
content: Text('确定要删除选中的 ${_selectedTemplates.length} 个模板吗？此操作不可撤销。'),
|
|
actions: [
|
|
TextButton(
|
|
onPressed: () => Navigator.of(context).pop(false),
|
|
child: const Text('取消'),
|
|
),
|
|
ElevatedButton(
|
|
onPressed: () => Navigator.of(context).pop(true),
|
|
style: ElevatedButton.styleFrom(
|
|
backgroundColor: Colors.red,
|
|
foregroundColor: Colors.white,
|
|
),
|
|
child: const Text('删除'),
|
|
),
|
|
],
|
|
),
|
|
);
|
|
|
|
if (confirmed != true) return;
|
|
|
|
try {
|
|
for (final template in _selectedTemplates) {
|
|
await _promptRepository.deletePromptTemplate(template.id);
|
|
}
|
|
|
|
ScaffoldMessenger.of(context).showSnackBar(
|
|
SnackBar(content: Text('成功删除 ${_selectedTemplates.length} 个模板')),
|
|
);
|
|
|
|
setState(() {
|
|
_selectedTemplates.clear();
|
|
_batchMode = false;
|
|
});
|
|
_loadTemplates();
|
|
} catch (e) {
|
|
AppLogger.error('批量删除模板失败', e.toString());
|
|
ScaffoldMessenger.of(context).showSnackBar(
|
|
SnackBar(content: Text('批量删除失败: $e')),
|
|
);
|
|
}
|
|
}
|
|
} |