马良AI写作初始化仓库
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邓滨杰
200
AINoval/lib/screens/prompt/prompt_screen.dart
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200
AINoval/lib/screens/prompt/prompt_screen.dart
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import 'package:flutter/material.dart';
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import 'package:flutter_bloc/flutter_bloc.dart';
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import 'package:ainoval/blocs/prompt_new/prompt_new_bloc.dart';
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import 'package:ainoval/blocs/prompt_new/prompt_new_state.dart';
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import 'package:ainoval/blocs/prompt_new/prompt_new_event.dart';
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import 'package:ainoval/screens/prompt/widgets/prompt_list_view.dart';
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import 'package:ainoval/screens/prompt/widgets/prompt_detail_view.dart';
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import 'package:ainoval/utils/web_theme.dart';
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import 'package:ainoval/utils/logger.dart';
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import 'package:ainoval/widgets/common/top_toast.dart';
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/// 统一提示词管理屏幕
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class PromptScreen extends StatefulWidget {
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const PromptScreen({super.key});
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@override
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State<PromptScreen> createState() => _PromptScreenState();
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}
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class _PromptScreenState extends State<PromptScreen> {
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static const String _tag = 'PromptScreen';
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// 左栏默认宽度，与编辑器侧边栏保持一致
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double _leftPanelWidth = 280;
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static const double _minLeftPanelWidth = 220;
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static const double _maxLeftPanelWidth = 400;
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static const double _resizeHandleWidth = 4;
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@override
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void initState() {
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super.initState();
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AppLogger.i(_tag, '初始化提示词管理屏幕');
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// 首次进入时加载数据
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WidgetsBinding.instance.addPostFrameCallback((_) {
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context.read<PromptNewBloc>().add(const LoadAllPromptPackages());
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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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final isDark = WebTheme.isDarkMode(context);
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return Theme(
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data: Theme.of(context).copyWith(
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scaffoldBackgroundColor: isDark ? WebTheme.darkGrey50 : WebTheme.white,
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cardColor: isDark ? WebTheme.darkGrey100 : WebTheme.white,
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),
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child: Scaffold(
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backgroundColor: isDark ? WebTheme.darkGrey50 : WebTheme.white,
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// appBar: AppBar(
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// title: const Text('提示词管理'),
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// actions: [
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// const ThemeToggleButton(),
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// const SizedBox(width: 16),
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// ],
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// ),
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body: BlocConsumer<PromptNewBloc, PromptNewState>(
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listener: (context, state) {
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// 显示错误信息
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if (state.errorMessage != null) {
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TopToast.error(context, state.errorMessage!);
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}
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},
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builder: (context, state) {
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return _buildMainContent(context, state);
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},
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),
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),
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);
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}
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/// 构建主要内容
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Widget _buildMainContent(BuildContext context, PromptNewState state) {
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// 在窄屏幕上使用单栏显示
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final screenWidth = MediaQuery.of(context).size.width;
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final isNarrowScreen = screenWidth < 800;
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if (isNarrowScreen) {
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return _buildNarrowScreenLayout(context, state);
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} else {
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return _buildWideScreenLayout(context, state);
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}
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}
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/// 窄屏幕布局（单栏显示）
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Widget _buildNarrowScreenLayout(BuildContext context, PromptNewState state) {
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if (state.viewMode == PromptViewMode.detail && state.selectedPrompt != null) {
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return PromptDetailView(
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onBack: () {
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context.read<PromptNewBloc>().add(const ToggleViewMode());
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},
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);
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} else {
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return PromptListView(
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onPromptSelected: (promptId, featureType) {
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context.read<PromptNewBloc>().add(SelectPrompt(
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promptId: promptId,
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featureType: featureType,
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));
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},
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);
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}
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}
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/// 宽屏幕布局（左右分栏）
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Widget _buildWideScreenLayout(BuildContext context, PromptNewState state) {
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return Row(
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children: [
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// 左栏：提示词列表
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SizedBox(
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width: _leftPanelWidth,
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child: PromptListView(
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onPromptSelected: (promptId, featureType) {
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context.read<PromptNewBloc>().add(SelectPrompt(
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promptId: promptId,
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featureType: featureType,
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));
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},
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),
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),
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// 拖拽调整手柄
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_buildResizeHandle(),
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// 右栏：提示词详情
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Expanded(
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child: state.selectedPrompt != null
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? const PromptDetailView()
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: _buildEmptyDetailView(),
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),
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],
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);
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}
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/// 构建拖拽调整手柄
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Widget _buildResizeHandle() {
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final isDark = WebTheme.isDarkMode(context);
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return MouseRegion(
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cursor: SystemMouseCursors.resizeColumn,
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child: GestureDetector(
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onPanUpdate: (details) {
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setState(() {
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_leftPanelWidth = (_leftPanelWidth + details.delta.dx).clamp(
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_minLeftPanelWidth,
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_maxLeftPanelWidth,
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);
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});
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},
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child: Container(
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width: _resizeHandleWidth,
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color: Colors.transparent,
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child: Center(
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child: Container(
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width: 1,
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color: isDark ? WebTheme.darkGrey300 : WebTheme.grey300,
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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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/// 构建空白详情视图
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Widget _buildEmptyDetailView() {
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return Container(
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color: WebTheme.getSurfaceColor(context),
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child: 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.auto_awesome_outlined,
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size: 64,
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color: WebTheme.getSecondaryTextColor(context),
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),
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const SizedBox(height: 16),
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Text(
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'选择一个提示词模板',
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style: WebTheme.headlineSmall.copyWith(
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color: WebTheme.getTextColor(context),
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fontWeight: FontWeight.w500,
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),
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textAlign: TextAlign.center,
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),
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const SizedBox(height: 8),
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Text(
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'在左侧列表中选择一个提示词模板以查看和编辑详情',
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style: WebTheme.bodyMedium.copyWith(
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color: WebTheme.getSecondaryTextColor(context),
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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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}
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