马良AI写作初始化仓库
This commit is contained in:
邓滨杰
315
AINoval/lib/screens/preset/preset_list_example_screen.dart
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315
AINoval/lib/screens/preset/preset_list_example_screen.dart
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import 'package:flutter/material.dart';
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import 'package:ainoval/utils/web_theme.dart';
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import 'package:ainoval/models/preset_models.dart';
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import 'package:ainoval/services/ai_preset_service.dart';
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import 'package:ainoval/widgets/common/preset_item_with_tags.dart';
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import 'package:ainoval/utils/logger.dart';
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/// 预设列表示例页面
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/// 展示如何使用新的统一预设接口和显示标签
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class PresetListExampleScreen extends StatefulWidget {
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final String featureType;
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final String? novelId;
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const PresetListExampleScreen({
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Key? key,
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required this.featureType,
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this.novelId,
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}) : super(key: key);
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@override
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State<PresetListExampleScreen> createState() => _PresetListExampleScreenState();
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}
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class _PresetListExampleScreenState extends State<PresetListExampleScreen> {
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static const String _tag = 'PresetListExampleScreen';
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final _presetService = AIPresetService();
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PresetListResponse? _presetListResponse;
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bool _isLoading = false;
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String? _error;
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@override
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void initState() {
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super.initState();
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_loadPresets();
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}
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/// 加载预设数据
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Future<void> _loadPresets() 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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AppLogger.i(_tag, '开始加载功能预设列表: ${widget.featureType}');
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final response = await _presetService.getFeaturePresetList(
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widget.featureType,
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novelId: widget.novelId,
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);
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setState(() {
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_presetListResponse = response;
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_isLoading = false;
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});
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AppLogger.i(_tag, '预设列表加载成功: 总共${response.totalCount}个预设');
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} catch (e) {
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AppLogger.e(_tag, '加载预设列表失败', e);
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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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@override
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Widget build(BuildContext context) {
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return Scaffold(
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appBar: AppBar(
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title: Text('预设列表 - ${widget.featureType}'),
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actions: [
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IconButton(
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icon: const Icon(Icons.refresh),
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onPressed: _loadPresets,
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),
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],
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),
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body: _buildBody(),
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);
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}
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Widget _buildBody() {
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if (_isLoading) {
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return const Center(
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child: CircularProgressIndicator(),
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);
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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: Colors.red.withOpacity(0.5),
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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: Colors.red,
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),
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textAlign: TextAlign.center,
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),
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const SizedBox(height: 16),
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ElevatedButton(
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onPressed: _loadPresets,
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child: 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 (_presetListResponse == null || _presetListResponse!.totalCount == 0) {
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return const 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.inbox_outlined,
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size: 64,
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color: Colors.grey,
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),
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SizedBox(height: 16),
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Text(
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'暂无预设',
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style: TextStyle(
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fontSize: 18,
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color: Colors.grey,
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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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return RefreshIndicator(
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onRefresh: _loadPresets,
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child: ListView(
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padding: const EdgeInsets.all(16),
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children: [
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// 收藏预设
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if (_presetListResponse!.favorites.isNotEmpty) ...[
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_buildSectionHeader('收藏预设', _presetListResponse!.favorites.length),
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const SizedBox(height: 8),
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..._presetListResponse!.favorites.map(_buildPresetItem),
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const SizedBox(height: 24),
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],
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// 最近使用预设
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if (_presetListResponse!.recentUsed.isNotEmpty) ...[
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_buildSectionHeader('最近使用', _presetListResponse!.recentUsed.length),
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const SizedBox(height: 8),
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..._presetListResponse!.recentUsed.map(_buildPresetItem),
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const SizedBox(height: 24),
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],
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// 推荐预设
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if (_presetListResponse!.recommended.isNotEmpty) ...[
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_buildSectionHeader('推荐预设', _presetListResponse!.recommended.length),
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const SizedBox(height: 8),
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..._presetListResponse!.recommended.map(_buildPresetItem),
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],
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],
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),
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);
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}
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/// 构建分组标题
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Widget _buildSectionHeader(String title, int count) {
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return Row(
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children: [
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Text(
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title,
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style: Theme.of(context).textTheme.titleMedium?.copyWith(
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fontWeight: FontWeight.bold,
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),
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),
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const SizedBox(width: 8),
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Container(
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padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 2),
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decoration: BoxDecoration(
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color: WebTheme.getPrimaryColor(context).withOpacity(0.1),
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borderRadius: BorderRadius.circular(12),
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),
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child: Text(
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'$count',
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style: TextStyle(
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fontSize: 12,
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color: WebTheme.getPrimaryColor(context),
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fontWeight: FontWeight.w600,
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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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/// 构建预设项
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Widget _buildPresetItem(PresetItemWithTag presetItem) {
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return PresetItemWithTags(
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presetItem: presetItem,
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onTap: () => _onPresetTapped(presetItem),
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onFavoriteToggle: () => _onFavoriteToggle(presetItem),
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);
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}
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/// 预设被点击
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void _onPresetTapped(PresetItemWithTag presetItem) {
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AppLogger.i(_tag, '预设被选择: ${presetItem.preset.presetName}');
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// 显示预设详情或应用预设
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showDialog(
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context: context,
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builder: (context) => AlertDialog(
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title: Text(presetItem.preset.presetName ?? '预设详情'),
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content: Column(
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mainAxisSize: MainAxisSize.min,
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text('ID: ${presetItem.preset.presetId}'),
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const SizedBox(height: 8),
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Text('标签: ${presetItem.getTags().join(', ')}'),
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const SizedBox(height: 8),
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if (presetItem.preset.presetDescription?.isNotEmpty == true)
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Text('描述: ${presetItem.preset.presetDescription}'),
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const SizedBox(height: 8),
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Text('使用次数: ${presetItem.preset.useCount}'),
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const SizedBox(height: 8),
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Text('最后使用: ${presetItem.preset.lastUsedAt?.toString() ?? '未使用'}'),
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],
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),
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actions: [
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TextButton(
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onPressed: () => Navigator.of(context).pop(),
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child: const Text('关闭'),
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),
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ElevatedButton(
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onPressed: () {
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Navigator.of(context).pop();
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_applyPreset(presetItem);
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},
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child: const Text('应用预设'),
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),
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],
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),
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);
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}
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/// 切换收藏状态
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Future<void> _onFavoriteToggle(PresetItemWithTag presetItem) async {
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try {
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AppLogger.i(_tag, '切换收藏状态: ${presetItem.preset.presetId}');
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// 调用收藏切换API
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await _presetService.toggleFavorite(presetItem.preset.presetId);
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// 重新加载数据
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await _loadPresets();
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: Text(presetItem.preset.isFavorite ? '已取消收藏' : '已添加收藏'),
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duration: const Duration(seconds: 2),
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),
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);
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} catch (e) {
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AppLogger.e(_tag, '切换收藏状态失败', e);
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: Text('操作失败: $e'),
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backgroundColor: Colors.red,
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),
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);
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}
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}
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/// 应用预设
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Future<void> _applyPreset(PresetItemWithTag presetItem) async {
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try {
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AppLogger.i(_tag, '应用预设: ${presetItem.preset.presetId}');
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// 调用应用预设API（会自动记录使用）
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await _presetService.applyPreset(presetItem.preset.presetId);
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(
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content: Text('预设应用成功'),
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backgroundColor: Colors.green,
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),
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);
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// 重新加载数据以更新最近使用状态
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await _loadPresets();
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} catch (e) {
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AppLogger.e(_tag, '应用预设失败', e);
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: Text('应用失败: $e'),
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backgroundColor: Colors.red,
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),
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);
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}
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}
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}
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