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 'package:ainoval/utils/web_theme.dart';
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import 'package:flutter_bloc/flutter_bloc.dart';
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import '../../../blocs/setting_generation/setting_generation_bloc.dart';
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import '../../../blocs/setting_generation/setting_generation_event.dart';
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import '../../../blocs/setting_generation/setting_generation_state.dart';
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import '../../../models/setting_node.dart';
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import 'setting_node_widget.dart';
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import 'ai_shimmer_placeholder.dart';
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import '../../../utils/logger.dart';
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import '../../../widgets/common/top_toast.dart';
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/// 节点与层级信息的包装类
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class _NodeWithLevel {
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final SettingNode node;
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final int level;
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const _NodeWithLevel({
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required this.node,
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required this.level,
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});
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}
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/// 设定树组件
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class SettingsTreeWidget extends StatelessWidget {
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final String? lastInitialPrompt;
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final String? lastStrategy;
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final String? lastModelConfigId;
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final String? novelId;
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final String? userId;
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const SettingsTreeWidget({
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Key? key,
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this.lastInitialPrompt,
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this.lastStrategy,
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this.lastModelConfigId,
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this.novelId,
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this.userId,
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}) : super(key: key);
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@override
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Widget build(BuildContext context) {
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return BlocBuilder<SettingGenerationBloc, SettingGenerationState>(
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buildWhen: (previous, current) {
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// 类型变化：一定重建
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if (previous.runtimeType != current.runtimeType) return true;
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// 进行中：当节点树/渲染相关/选中/视图模式或操作文案改变时才重建
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if (previous is SettingGenerationInProgress && current is SettingGenerationInProgress) {
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return previous.activeSession.rootNodes != current.activeSession.rootNodes ||
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previous.renderedNodeIds != current.renderedNodeIds ||
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previous.selectedNodeId != current.selectedNodeId ||
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previous.viewMode != current.viewMode ||
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previous.currentOperation != current.currentOperation;
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}
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// 完成：当节点树/渲染集合/选中/视图模式/活跃会话切换时才重建
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if (previous is SettingGenerationCompleted && current is SettingGenerationCompleted) {
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return previous.activeSession.rootNodes != current.activeSession.rootNodes ||
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previous.renderedNodeIds != current.renderedNodeIds ||
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previous.selectedNodeId != current.selectedNodeId ||
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previous.viewMode != current.viewMode ||
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previous.activeSessionId != current.activeSessionId;
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}
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// 修改中：当节点树/渲染集合/选中/修改目标/是否更新中变化时才重建
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if (previous is SettingGenerationNodeUpdating && current is SettingGenerationNodeUpdating) {
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return previous.activeSession.rootNodes != current.activeSession.rootNodes ||
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previous.renderedNodeIds != current.renderedNodeIds ||
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previous.selectedNodeId != current.selectedNodeId ||
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previous.updatingNodeId != current.updatingNodeId ||
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previous.isUpdating != current.isUpdating;
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}
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// 就绪：会话/活跃会话/视图模式变化
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if (previous is SettingGenerationReady && current is SettingGenerationReady) {
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return previous.sessions != current.sessions ||
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previous.activeSessionId != current.activeSessionId ||
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previous.viewMode != current.viewMode;
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}
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// 其他状态：保守起见重建
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return true;
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},
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builder: (context, state) {
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// 🔧 新增：详细的状态日志
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AppLogger.i('SettingsTreeWidget', '🔄 状态变更: ${state.runtimeType}');
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// 加载状态
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if (state is SettingGenerationLoading) {
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AppLogger.i('SettingsTreeWidget', '⏳ 显示加载状态');
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return const AIShimmerPlaceholder();
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}
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// 生成进行中状态
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if (state is SettingGenerationInProgress) {
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AppLogger.i('SettingsTreeWidget', '🚀 显示生成进行中状态 - 已渲染节点: ${state.renderedNodeIds.length}');
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return _buildInProgressView(context, state);
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}
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// 🔧 新增：节点修改中状态
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if (state is SettingGenerationNodeUpdating) {
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AppLogger.i('SettingsTreeWidget', '🔧 显示节点修改中状态 - 修改节点: ${state.updatingNodeId}');
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return _buildNodeUpdatingView(context, state);
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}
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// 生成完成状态
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if (state is SettingGenerationCompleted) {
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AppLogger.i('SettingsTreeWidget', '✅ 显示完成状态 - 会话: ${state.activeSessionId}');
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return _buildCompletedView(context, state);
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}
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// 保存成功状态 - 仍然显示完成视图，避免界面闪烁
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if (state is SettingGenerationSaved) {
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AppLogger.i('SettingsTreeWidget', '💾 显示保存成功状态，会话数: ${state.sessions.length}');
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return _buildSavedView(context, state);
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}
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// 无会话状态
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if (state is SettingGenerationReady) {
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AppLogger.i('SettingsTreeWidget', '🎯 显示就绪状态，会话数: ${state.sessions.length}');
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return _buildNoSessionView(context, state);
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}
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// 错误状态
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if (state is SettingGenerationError) {
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AppLogger.w('SettingsTreeWidget', '❌ 显示错误状态: ${state.message}');
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return _buildErrorView(context, state);
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}
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// 默认状态（初始状态等）
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AppLogger.w('SettingsTreeWidget', '🤔 未知状态: ${state.runtimeType}');
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return _buildNoSessionView(context, state);
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},
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);
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}
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Widget _buildInProgressView(BuildContext context, SettingGenerationInProgress state) {
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// 如果没有任何已渲染的节点（不管渲染状态如何），显示等待状态
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if (state.renderedNodeIds.isEmpty) {
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return const AIShimmerPlaceholder();
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}
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// 显示流式渲染界面（进度/提示统一由父级状态条显示，避免重复）
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return Column(
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children: [
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Expanded(
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child: _buildStreamingTreeView(context, state),
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),
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],
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);
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}
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Widget _buildCompletedView(BuildContext context, SettingGenerationCompleted state) {
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// 🔧 新增：详细的渲染日志
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AppLogger.i('SettingsTreeWidget', '🎨 渲染完成状态视图 - 节点数: ${state.activeSession.rootNodes.length}, 会话ID: ${state.activeSessionId}');
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// 🔧 修复：当没有节点数据时，显示空状态提示
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if (state.activeSession.rootNodes.isEmpty) {
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AppLogger.w('SettingsTreeWidget', '⚠️ 会话中没有设定节点数据，显示空状态提示');
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return _buildEmptyStateView(context, '此历史记录暂无设定数据');
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}
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return _buildTreeView(
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context,
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state.activeSession.rootNodes,
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state.selectedNodeId,
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state.viewMode,
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state.renderedNodeIds,
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);
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}
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Widget _buildStreamingTreeView(BuildContext context, SettingGenerationInProgress state) {
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final isDark = Theme.of(context).brightness == Brightness.dark;
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return Container(
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decoration: BoxDecoration(
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color: isDark
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? const Color(0xFF1F2937).withOpacity(0.3)
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: const Color(0xFFF9FAFB).withOpacity(0.3),
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borderRadius: BorderRadius.circular(8),
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border: Border.all(
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color: isDark
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? const Color(0xFF1F2937)
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: const Color(0xFFE5E7EB),
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width: 1,
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),
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),
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child: state.renderedNodeIds.isEmpty
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? _buildWaitingForFirstNode(context)
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: _buildRenderableNodesListView(
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context,
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state.activeSession.rootNodes,
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state.selectedNodeId,
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state.viewMode,
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state.renderedNodeIds,
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state.nodeRenderStates,
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),
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);
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}
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Widget _buildWaitingForFirstNode(BuildContext context) {
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return Center(
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child: Padding(
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padding: const EdgeInsets.all(32),
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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SizedBox(
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width: 32,
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height: 32,
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child: CircularProgressIndicator(
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strokeWidth: 3,
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valueColor: AlwaysStoppedAnimation<Color>(
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WebTheme.getPrimaryColor(context),
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),
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),
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),
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const SizedBox(height: 16),
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Text(
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'AI 正在构思第一个设定节点...',
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style: Theme.of(context).textTheme.bodyMedium?.copyWith(
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color: Theme.of(context).textTheme.bodySmall?.color,
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),
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textAlign: TextAlign.center,
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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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/// 构建可渲染的节点列表视图
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Widget _buildRenderableNodesListView(
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BuildContext context,
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List<SettingNode> nodes,
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String? selectedNodeId,
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String viewMode,
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Set<String> renderedNodeIds,
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Map<String, NodeRenderInfo> nodeRenderStates,
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) {
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// 获取所有需要渲染的节点（扁平化列表）
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final renderableNodes = _getRenderableNodesList(
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nodes,
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renderedNodeIds,
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nodeRenderStates,
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);
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return ListView.builder(
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padding: const EdgeInsets.all(4),
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itemCount: renderableNodes.length,
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itemBuilder: (context, index) {
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final nodeInfo = renderableNodes[index];
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final node = nodeInfo.node;
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final level = nodeInfo.level;
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return Padding(
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padding: EdgeInsets.only(bottom: index < renderableNodes.length - 1 ? 4 : 0),
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child: SettingNodeWidget(
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node: node,
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selectedNodeId: selectedNodeId,
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viewMode: viewMode,
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level: level,
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renderedNodeIds: renderedNodeIds,
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nodeRenderStates: nodeRenderStates,
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renderChildren: false,
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onTap: (nodeId) {
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context.read<SettingGenerationBloc>().add(
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SelectNodeEvent(nodeId),
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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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/// 获取所有需要渲染的节点列表（扁平化，包含层级信息）
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List<_NodeWithLevel> _getRenderableNodesList(
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List<SettingNode> nodes,
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Set<String> renderedNodeIds,
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Map<String, NodeRenderInfo> nodeRenderStates,
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{
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int level = 0,
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}) {
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final List<_NodeWithLevel> result = [];
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for (final node in nodes) {
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// 只添加已经渲染的节点或正在渲染的节点
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if (renderedNodeIds.contains(node.id) ||
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nodeRenderStates[node.id]?.state == NodeRenderState.rendering) {
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result.add(_NodeWithLevel(node: node, level: level));
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// 递归添加子节点
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if (node.children != null && node.children!.isNotEmpty) {
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result.addAll(_getRenderableNodesList(
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node.children!,
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renderedNodeIds,
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nodeRenderStates,
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level: level + 1,
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));
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}
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}
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}
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return result;
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}
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Widget _buildTreeView(
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BuildContext context,
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List<SettingNode> nodes,
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String? selectedNodeId,
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String viewMode,
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Set<String> renderedNodeIds,
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) {
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// 🔧 新增：日志和空状态处理
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AppLogger.i('SettingsTreeWidget', '🌳 构建设定树视图 - 节点数: ${nodes.length}, 选中节点: $selectedNodeId');
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// 🔧 修复：当节点列表为空时，显示空状态提示
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if (nodes.isEmpty) {
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AppLogger.w('SettingsTreeWidget', '⚠️ 节点列表为空，显示空状态提示');
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return _buildEmptyStateView(context, '暂无设定数据');
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}
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// 🔧 如果 renderedNodeIds 为空（通常发生在生成已完成的状态），
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// 将所有可见节点都视为已渲染，避免由于 Opacity=0 导致的内容不可见。
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Set<String> effectiveRenderedIds = renderedNodeIds;
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if (effectiveRenderedIds.isEmpty) {
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effectiveRenderedIds = _collectAllNodeIds(nodes).toSet();
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AppLogger.i('SettingsTreeWidget', '🔧 renderedNodeIds 为空，自动填充所有节点ID (${effectiveRenderedIds.length})');
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}
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final isDark = Theme.of(context).brightness == Brightness.dark;
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return Container(
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decoration: BoxDecoration(
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color: isDark
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? const Color(0xFF1F2937).withOpacity(0.3)
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: const Color(0xFFF9FAFB).withOpacity(0.3),
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borderRadius: BorderRadius.circular(8),
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border: Border.all(
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color: isDark
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? const Color(0xFF1F2937)
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: const Color(0xFFE5E7EB),
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width: 1,
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),
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),
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child: ListView.builder(
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padding: const EdgeInsets.all(4),
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itemCount: nodes.length,
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itemBuilder: (context, index) {
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final node = nodes[index];
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return Padding(
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padding: EdgeInsets.only(bottom: index < nodes.length - 1 ? 4 : 0),
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child: SettingNodeWidget(
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node: node,
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selectedNodeId: selectedNodeId,
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viewMode: viewMode,
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level: 0,
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renderedNodeIds: effectiveRenderedIds,
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nodeRenderStates: const {}, // 完成状态下不需要渲染状态
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onTap: (nodeId) {
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context.read<SettingGenerationBloc>().add(
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SelectNodeEvent(nodeId),
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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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}
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/// 递归收集所有节点 ID
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List<String> _collectAllNodeIds(List<SettingNode> nodes) {
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final List<String> ids = [];
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for (final node in nodes) {
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ids.add(node.id);
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if (node.children != null && node.children!.isNotEmpty) {
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ids.addAll(_collectAllNodeIds(node.children!));
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}
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}
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return ids;
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}
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Widget _buildErrorView(BuildContext context, SettingGenerationError state) {
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final isDark = Theme.of(context).brightness == Brightness.dark;
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return Container(
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decoration: BoxDecoration(
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color: isDark
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? const Color(0xFF1F2937).withOpacity(0.3)
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: const Color(0xFFF9FAFB).withOpacity(0.3),
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borderRadius: BorderRadius.circular(8),
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border: Border.all(
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color: isDark
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? const Color(0xFF1F2937)
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: const Color(0xFFE5E7EB),
|
||||
width: 1,
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||||
),
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),
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child: Center(
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child: Padding(
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padding: const EdgeInsets.all(24),
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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: 48,
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||||
color: Colors.red.withOpacity(0.7),
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),
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const SizedBox(height: 16),
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Text(
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'生成失败',
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style: Theme.of(context).textTheme.titleMedium?.copyWith(
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fontWeight: FontWeight.w600,
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),
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||||
),
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const SizedBox(height: 8),
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Text(
|
||||
_getFriendlyErrorMessage(state.message),
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||||
style: Theme.of(context).textTheme.bodyMedium?.copyWith(
|
||||
color: isDark ? const Color(0xFF9CA3AF) : const Color(0xFF6B7280),
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||||
),
|
||||
textAlign: TextAlign.center,
|
||||
),
|
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const SizedBox(height: 24),
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// 重试按钮
|
||||
if (state.isRecoverable && _canRetry())
|
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Row(
|
||||
mainAxisSize: MainAxisSize.min,
|
||||
children: [
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OutlinedButton.icon(
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||||
onPressed: () => _retryGeneration(context),
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||||
icon: const Icon(Icons.refresh, size: 18),
|
||||
label: const Text('重试生成'),
|
||||
style: OutlinedButton.styleFrom(
|
||||
foregroundColor: isDark
|
||||
? const Color(0xFFF9FAFB)
|
||||
: const Color(0xFF111827),
|
||||
side: BorderSide(
|
||||
color: isDark
|
||||
? const Color(0xFF374151)
|
||||
: const Color(0xFFD1D5DB),
|
||||
),
|
||||
),
|
||||
),
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||||
const SizedBox(width: 12),
|
||||
TextButton.icon(
|
||||
onPressed: () => _resetAndReload(context),
|
||||
icon: const Icon(Icons.settings_backup_restore, size: 18),
|
||||
label: const Text('重新开始'),
|
||||
style: TextButton.styleFrom(
|
||||
foregroundColor: isDark
|
||||
? const Color(0xFF9CA3AF)
|
||||
: const Color(0xFF6B7280),
|
||||
),
|
||||
),
|
||||
],
|
||||
),
|
||||
],
|
||||
),
|
||||
),
|
||||
),
|
||||
);
|
||||
}
|
||||
|
||||
/// 将后端错误信息转换为用户友好的提示
|
||||
String _getFriendlyErrorMessage(String originalMessage) {
|
||||
// 检查常见的错误模式并返回友好提示
|
||||
final message = originalMessage.toLowerCase();
|
||||
|
||||
if (message.contains('timeout') || message.contains('超时')) {
|
||||
return 'AI生成响应时间过长，请稍后重试';
|
||||
}
|
||||
|
||||
if (message.contains('network') || message.contains('connection') ||
|
||||
message.contains('网络') || message.contains('连接')) {
|
||||
return '网络连接不稳定，请检查网络后重试';
|
||||
}
|
||||
|
||||
if (message.contains('rate limit') || message.contains('too many') ||
|
||||
message.contains('频率') || message.contains('限制')) {
|
||||
return '请求过于频繁，请稍等片刻后重试';
|
||||
}
|
||||
|
||||
if (message.contains('invalid') || message.contains('无效') ||
|
||||
message.contains('bad request')) {
|
||||
return '请求参数有误，请重新配置后重试';
|
||||
}
|
||||
|
||||
if (message.contains('unauthorized') || message.contains('permission') ||
|
||||
message.contains('未授权') || message.contains('权限')) {
|
||||
return '授权已过期，请重新登录后重试';
|
||||
}
|
||||
|
||||
if (message.contains('server error') || message.contains('internal') ||
|
||||
message.contains('服务器') || message.contains('内部错误')) {
|
||||
return '服务器暂时无法处理请求，请稍后重试';
|
||||
}
|
||||
|
||||
if (message.contains('model') || message.contains('模型')) {
|
||||
return 'AI模型暂时不可用，请尝试切换其他模型';
|
||||
}
|
||||
|
||||
if (message.contains('quota') || message.contains('balance') ||
|
||||
message.contains('额度') || message.contains('余额')) {
|
||||
return '账户余额不足或已达到使用限额';
|
||||
}
|
||||
|
||||
// 如果无法识别具体错误类型，返回通用友好提示
|
||||
return '生成过程中遇到问题，请重试或联系客服';
|
||||
}
|
||||
|
||||
/// 检查是否可以重试
|
||||
bool _canRetry() {
|
||||
return lastInitialPrompt != null &&
|
||||
lastStrategy != null &&
|
||||
lastModelConfigId != null;
|
||||
}
|
||||
|
||||
/// 重试生成
|
||||
void _retryGeneration(BuildContext context) {
|
||||
if (!_canRetry()) return;
|
||||
|
||||
// 重试时无法保证仍保留公共模型对象，这里仅传基础参数；若有需要可在Bloc中从上次session metadata取回
|
||||
context.read<SettingGenerationBloc>().add(
|
||||
StartGenerationEvent(
|
||||
initialPrompt: lastInitialPrompt!,
|
||||
promptTemplateId: lastStrategy!,
|
||||
novelId: novelId,
|
||||
modelConfigId: lastModelConfigId!,
|
||||
userId: userId ?? 'current_user',
|
||||
),
|
||||
);
|
||||
}
|
||||
|
||||
/// 重置并重新加载
|
||||
void _resetAndReload(BuildContext context) {
|
||||
context.read<SettingGenerationBloc>().add(const LoadStrategiesEvent());
|
||||
}
|
||||
|
||||
/// 构建空状态提示视图
|
||||
Widget _buildEmptyStateView(BuildContext context, String message) {
|
||||
final isDark = Theme.of(context).brightness == Brightness.dark;
|
||||
return Center(
|
||||
child: Padding(
|
||||
padding: const EdgeInsets.all(32),
|
||||
child: Column(
|
||||
mainAxisAlignment: MainAxisAlignment.center,
|
||||
children: [
|
||||
Icon(
|
||||
Icons.info_outline,
|
||||
size: 48,
|
||||
color: isDark ? const Color(0xFF9CA3AF) : const Color(0xFF6B7280),
|
||||
),
|
||||
const SizedBox(height: 16),
|
||||
Text(
|
||||
message,
|
||||
style: Theme.of(context).textTheme.bodyMedium?.copyWith(
|
||||
color: isDark ? const Color(0xFF9CA3AF) : const Color(0xFF6B7280),
|
||||
),
|
||||
textAlign: TextAlign.center,
|
||||
),
|
||||
],
|
||||
),
|
||||
),
|
||||
);
|
||||
}
|
||||
|
||||
/// 🔧 新增：构建节点修改中视图
|
||||
Widget _buildNodeUpdatingView(BuildContext context, SettingGenerationNodeUpdating state) {
|
||||
AppLogger.i('SettingsTreeWidget', '🔧 渲染节点修改中状态 - 修改节点: ${state.updatingNodeId}');
|
||||
|
||||
// 使用TopToast显示修改提示
|
||||
if (state.isUpdating && state.message.isNotEmpty) {
|
||||
WidgetsBinding.instance.addPostFrameCallback((_) {
|
||||
TopToast.info(
|
||||
context,
|
||||
state.message,
|
||||
);
|
||||
});
|
||||
}
|
||||
|
||||
// 显示设定树，突出显示正在修改的节点
|
||||
return _buildTreeView(
|
||||
context,
|
||||
state.activeSession.rootNodes,
|
||||
state.selectedNodeId,
|
||||
state.viewMode,
|
||||
state.renderedNodeIds,
|
||||
);
|
||||
}
|
||||
|
||||
/// 🔧 新增：构建保存成功视图
|
||||
Widget _buildSavedView(BuildContext context, SettingGenerationSaved state) {
|
||||
AppLogger.i('SettingsTreeWidget', '💾 渲染保存成功状态');
|
||||
|
||||
// 尝试从sessions中找到当前活跃会话以渲染
|
||||
if (state.sessions.isNotEmpty && state.activeSessionId != null) {
|
||||
final session = state.sessions.firstWhere(
|
||||
(s) => s.sessionId == state.activeSessionId,
|
||||
orElse: () => state.sessions.first,
|
||||
);
|
||||
return _buildTreeView(
|
||||
context,
|
||||
session.rootNodes,
|
||||
null, // 保存操作后保持原选中节点逻辑，可根据需要扩展
|
||||
'compact',
|
||||
const {},
|
||||
);
|
||||
}
|
||||
// 如果找不到会话，显示空状态
|
||||
AppLogger.w('SettingsTreeWidget', '⚠️ 保存状态下找不到活跃会话，显示空状态');
|
||||
return _buildEmptyStateView(context, '设定已保存，但无法显示内容');
|
||||
}
|
||||
|
||||
/// 🔧 新增：构建无会话视图
|
||||
Widget _buildNoSessionView(BuildContext context, dynamic state) {
|
||||
// 检查是否有活跃会话
|
||||
if (state is SettingGenerationReady) {
|
||||
AppLogger.i('SettingsTreeWidget', '📋 渲染就绪状态 - 活跃会话: ${state.activeSessionId}');
|
||||
// 如果有活跃会话，显示对应的设定树
|
||||
if (state.activeSessionId != null && state.sessions.isNotEmpty) {
|
||||
final session = state.sessions.firstWhere(
|
||||
(s) => s.sessionId == state.activeSessionId,
|
||||
orElse: () => state.sessions.first,
|
||||
);
|
||||
// 如果会话有内容，显示设定树
|
||||
if (session.rootNodes.isNotEmpty) {
|
||||
AppLogger.i('SettingsTreeWidget', '🌳 就绪状态下显示设定树 - 节点数: ${session.rootNodes.length}');
|
||||
return _buildTreeView(
|
||||
context,
|
||||
session.rootNodes,
|
||||
null, // SettingGenerationReady 没有 selectedNodeId
|
||||
state.viewMode,
|
||||
const {},
|
||||
);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// 默认显示无会话提示
|
||||
AppLogger.i('SettingsTreeWidget', '📝 显示无会话提示');
|
||||
return _buildEmptyStateView(context, '请开始生成设定或选择已有历史记录');
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user