马良AI写作初始化仓库
This commit is contained in:
邓滨杰
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import 'package:flutter/material.dart';
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import '../../../models/preset_models.dart';
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import '../../../services/ai_preset_service.dart';
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import '../../../utils/logger.dart';
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import '../../../models/prompt_models.dart';
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/// 编辑用户预设对话框
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class EditUserPresetDialog extends StatefulWidget {
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final AIPromptPreset preset;
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final VoidCallback? onSuccess;
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const EditUserPresetDialog({
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Key? key,
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required this.preset,
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this.onSuccess,
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}) : super(key: key);
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@override
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State<EditUserPresetDialog> createState() => _EditUserPresetDialogState();
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}
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class _EditUserPresetDialogState extends State<EditUserPresetDialog> {
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final _formKey = GlobalKey<FormState>();
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late final TextEditingController _nameController;
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late final TextEditingController _descriptionController;
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late final TextEditingController _systemPromptController;
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late final TextEditingController _userPromptController;
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late final TextEditingController _tagsController;
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late String _selectedFeatureType;
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late bool _isFavorite;
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bool _isLoading = false;
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final AIPresetService _presetService = AIPresetService();
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// 功能类型动态来源：AIFeatureTypeHelper.allFeatures
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// 功能类型标签由 AIFeatureType.displayName 提供
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@override
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void initState() {
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super.initState();
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_initializeControllers();
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}
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void _initializeControllers() {
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_nameController = TextEditingController(text: widget.preset.presetName ?? '');
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_descriptionController = TextEditingController(text: widget.preset.presetDescription ?? '');
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_systemPromptController = TextEditingController(text: widget.preset.systemPrompt);
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_userPromptController = TextEditingController(text: widget.preset.userPrompt);
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_tagsController = TextEditingController(
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text: widget.preset.presetTags?.join(', ') ?? '',
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);
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final allApi = AIFeatureType.values.map((e) => e.toApiString()).toList();
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_selectedFeatureType = allApi.contains(widget.preset.aiFeatureType)
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? widget.preset.aiFeatureType
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: AIFeatureType.aiChat.toApiString();
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_isFavorite = widget.preset.isFavorite;
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}
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@override
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void dispose() {
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_nameController.dispose();
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_descriptionController.dispose();
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_systemPromptController.dispose();
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_userPromptController.dispose();
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_tagsController.dispose();
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super.dispose();
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}
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@override
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Widget build(BuildContext context) {
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return Dialog(
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child: Container(
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width: 700,
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constraints: const BoxConstraints(maxHeight: 800),
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padding: const EdgeInsets.all(24),
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child: Column(
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mainAxisSize: MainAxisSize.min,
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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.edit, size: 24),
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const SizedBox(width: 8),
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const Text(
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'编辑预设',
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style: TextStyle(fontSize: 20, fontWeight: FontWeight.bold),
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),
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const Spacer(),
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IconButton(
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onPressed: () => Navigator.of(context).pop(),
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icon: const Icon(Icons.close),
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),
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],
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),
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const SizedBox(height: 24),
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Expanded(
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child: Form(
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key: _formKey,
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child: SingleChildScrollView(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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_buildPresetInfo(),
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const SizedBox(height: 24),
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_buildBasicInfoSection(),
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const SizedBox(height: 24),
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_buildPromptSection(),
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const SizedBox(height: 24),
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_buildSettingsSection(),
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],
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),
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),
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),
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),
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const SizedBox(height: 24),
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_buildActionButtons(),
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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 _buildPresetInfo() {
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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).colorScheme.surface,
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borderRadius: BorderRadius.circular(8),
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border: Border.all(
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color: Theme.of(context).colorScheme.outline.withOpacity(0.2),
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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.info_outline, size: 20),
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const SizedBox(width: 8),
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const Text(
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'预设信息',
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style: TextStyle(fontWeight: FontWeight.w500),
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),
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],
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),
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const SizedBox(height: 12),
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Row(
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children: [
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Expanded(
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child: _buildInfoItem('预设ID', widget.preset.presetId),
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),
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const SizedBox(width: 16),
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Expanded(
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child: _buildInfoItem('使用次数', '${widget.preset.useCount}'),
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),
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],
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),
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const SizedBox(height: 8),
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Row(
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children: [
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Expanded(
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child: _buildInfoItem('创建时间', _formatDateTime(widget.preset.createdAt) ?? ''),
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),
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const SizedBox(width: 16),
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Expanded(
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child: _buildInfoItem('最后使用', _formatDateTime(widget.preset.lastUsedAt) ?? '从未使用'),
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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 _buildInfoItem(String label, String value) {
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return Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(
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label,
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style: TextStyle(
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fontSize: 12,
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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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Text(
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value,
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style: const TextStyle(fontSize: 14),
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),
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],
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);
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}
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Widget _buildBasicInfoSection() {
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return Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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const Text(
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'基本信息',
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style: TextStyle(fontSize: 16, fontWeight: FontWeight.bold),
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),
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const SizedBox(height: 16),
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TextFormField(
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controller: _nameController,
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decoration: const InputDecoration(
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labelText: '预设名称 *',
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hintText: '请输入预设名称',
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border: OutlineInputBorder(),
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),
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validator: (value) {
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if (value == null || value.trim().isEmpty) {
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return '请输入预设名称';
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}
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return null;
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},
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),
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const SizedBox(height: 16),
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TextFormField(
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controller: _descriptionController,
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decoration: const InputDecoration(
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labelText: '预设描述',
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hintText: '请简要描述此预设的用途和特点',
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border: OutlineInputBorder(),
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),
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maxLines: 2,
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),
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const SizedBox(height: 16),
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DropdownButtonFormField<String>(
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value: _selectedFeatureType,
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decoration: const InputDecoration(
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labelText: '适用功能 *',
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border: OutlineInputBorder(),
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),
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items: AIFeatureType.values.map((t) {
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final api = t.toApiString();
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return DropdownMenuItem(
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value: api,
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child: Text(t.displayName),
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);
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}).toList(),
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onChanged: (value) {
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if (value != null) {
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setState(() {
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_selectedFeatureType = value;
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});
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}
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},
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),
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const SizedBox(height: 16),
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TextFormField(
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controller: _tagsController,
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decoration: const InputDecoration(
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labelText: '标签',
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hintText: '请输入标签，用逗号分隔',
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border: OutlineInputBorder(),
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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 _buildPromptSection() {
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return 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 Text(
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'提示词配置',
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style: TextStyle(fontSize: 16, fontWeight: FontWeight.bold),
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),
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const Spacer(),
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TextButton.icon(
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onPressed: _showPromptHelper,
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icon: const Icon(Icons.help_outline, size: 16),
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label: const Text('写作技巧'),
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),
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],
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),
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const SizedBox(height: 16),
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TextFormField(
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controller: _systemPromptController,
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decoration: const InputDecoration(
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labelText: '系统提示词 *',
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hintText: '定义AI的角色和行为规则...',
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border: OutlineInputBorder(),
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alignLabelWithHint: true,
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),
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maxLines: 6,
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validator: (value) {
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if (value == null || value.trim().isEmpty) {
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return '请输入系统提示词';
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}
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return null;
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},
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),
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const SizedBox(height: 16),
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TextFormField(
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controller: _userPromptController,
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decoration: const InputDecoration(
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labelText: '用户提示词',
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hintText: '可选：为用户输入提供默认格式或示例...',
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border: OutlineInputBorder(),
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alignLabelWithHint: true,
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),
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maxLines: 4,
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),
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],
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);
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}
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Widget _buildSettingsSection() {
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return Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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const Text(
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'设置选项',
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style: TextStyle(fontSize: 16, fontWeight: FontWeight.bold),
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),
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const SizedBox(height: 16),
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CheckboxListTile(
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title: const Text('添加到我的收藏'),
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subtitle: const Text('在收藏夹中显示此预设'),
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value: _isFavorite,
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onChanged: (value) {
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setState(() {
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_isFavorite = value ?? false;
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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 _buildActionButtons() {
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return Row(
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mainAxisAlignment: MainAxisAlignment.end,
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children: [
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TextButton(
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onPressed: _isLoading ? null : () => Navigator.of(context).pop(),
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child: const Text('取消'),
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),
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const SizedBox(width: 12),
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ElevatedButton(
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onPressed: _isLoading ? null : _updatePreset,
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child: _isLoading
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? const SizedBox(
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width: 20,
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height: 20,
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child: CircularProgressIndicator(strokeWidth: 2),
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)
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: const Text('保存更改'),
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),
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],
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);
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}
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void _showPromptHelper() {
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showDialog(
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context: context,
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builder: (context) => AlertDialog(
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title: const Text('提示词写作技巧'),
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content: SingleChildScrollView(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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mainAxisSize: MainAxisSize.min,
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children: [
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_buildPromptTip('优化建议', [
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'• 使用具体而非抽象的描述',
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'• 明确定义期望的输出格式',
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'• 提供具体的例子和情境',
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'• 避免过于复杂的指令',
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'• 根据功能类型调整提示词风格',
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]),
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const SizedBox(height: 16),
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_buildPromptTip('功能特定建议', [
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'聊天: 强调对话风格和个性',
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'场景生成: 注重描述细节和氛围',
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'续写: 保持风格一致性',
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'总结: 明确长度和要点',
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'大纲: 指定结构和层次',
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]),
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],
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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('知道了'),
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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 _buildPromptTip(String title, List<String> items) {
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return Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(
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title,
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style: const TextStyle(fontWeight: FontWeight.bold),
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),
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const SizedBox(height: 8),
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...items.map((item) => Padding(
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padding: const EdgeInsets.only(bottom: 4),
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child: Text('$item', style: const TextStyle(fontSize: 12)),
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)),
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],
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);
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}
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Future<void> _updatePreset() async {
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if (!_formKey.currentState!.validate()) {
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return;
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}
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setState(() {
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_isLoading = true;
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});
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try {
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final tags = _tagsController.text
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.split(',')
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.map((tag) => tag.trim())
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.where((tag) => tag.isNotEmpty)
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.toList();
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final updatedPreset = widget.preset.copyWith(
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presetName: _nameController.text.trim(),
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presetDescription: _descriptionController.text.trim().isEmpty
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? null : _descriptionController.text.trim(),
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aiFeatureType: _selectedFeatureType,
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systemPrompt: _systemPromptController.text.trim(),
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userPrompt: _userPromptController.text.trim().isEmpty
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? null : _userPromptController.text.trim(),
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presetTags: tags.isEmpty ? null : tags,
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isFavorite: _isFavorite,
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updatedAt: DateTime.now(),
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);
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await _presetService.updatePresetInfo(
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updatedPreset.presetId,
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UpdatePresetInfoRequest(
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presetName: updatedPreset.presetName ?? '未命名预设',
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presetDescription: updatedPreset.presetDescription,
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presetTags: updatedPreset.presetTags,
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),
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);
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if (mounted) {
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Navigator.of(context).pop();
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(content: Text('预设 "${updatedPreset.presetName}" 更新成功')),
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);
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widget.onSuccess?.call();
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}
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} catch (e) {
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AppLogger.error('更新预设失败', e.toString());
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if (mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(content: Text('更新失败: $e')),
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);
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}
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} finally {
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if (mounted) {
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setState(() {
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_isLoading = false;
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});
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}
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}
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}
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// 已废弃的图标/颜色映射方法已移除
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String? _formatDateTime(DateTime? dateTime) {
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if (dateTime == null) return null;
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final now = DateTime.now();
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final difference = now.difference(dateTime);
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if (difference.inDays > 0) {
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return '${difference.inDays}天前';
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} else if (difference.inHours > 0) {
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return '${difference.inHours}小时前';
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} else if (difference.inMinutes > 0) {
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return '${difference.inMinutes}分钟前';
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} else {
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return '刚刚';
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}
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}
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}
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Reference in New Issue
Block a user