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social-app/apps/lib/features/todo/ui/screens/todo_detail_screen.dart
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Dart

import 'package:flutter/material.dart';
import 'package:go_router/go_router.dart';
import 'package:lucide_icons/lucide_icons.dart';
import '../../../../core/di/injection.dart';
import '../../../../core/router/app_routes.dart';
import '../../../../core/theme/design_tokens.dart';
import '../../../../shared/widgets/back_title_page_header.dart';
import '../../../../shared/widgets/detail_header_action_menu.dart';
import '../../../../shared/widgets/destructive_action_sheet.dart';
import '../../../../shared/widgets/error_retry_surface.dart';
import '../../../../shared/widgets/full_screen_loading.dart';
import '../../../../shared/widgets/toast/toast.dart';
import '../../../../shared/widgets/toast/toast_type.dart';
import '../../data/todo_api.dart';
enum _TodoHeaderAction { edit, delete }
class TodoDetailScreen extends StatefulWidget {
final String todoId;
const TodoDetailScreen({super.key, required this.todoId});
@override
State<TodoDetailScreen> createState() => _TodoDetailScreenState();
}
class _TodoDetailScreenState extends State<TodoDetailScreen> {
final TodoApi _todoApi = sl<TodoApi>();
TodoResponse? _todo;
bool _isLoading = true;
bool _didMutate = false;
String? _error;
@override
void initState() {
super.initState();
_loadTodo();
}
Future<void> _loadTodo() async {
if (!mounted) {
return;
}
setState(() {
_isLoading = true;
_error = null;
});
try {
final todo = await _todoApi.getTodo(widget.todoId);
if (!mounted) {
return;
}
setState(() {
_todo = todo;
_isLoading = false;
});
} catch (e) {
if (!mounted) {
return;
}
setState(() {
_error = e.toString();
_isLoading = false;
});
}
}
String _getPriorityLabel(int priority) {
switch (priority) {
case 1:
return '重要紧急';
case 2:
return '重要不紧急';
case 3:
return '紧急不重要';
case 4:
return '不紧急不重要';
default:
return '未知';
}
}
Color _getPriorityColor(int priority) {
switch (priority) {
case 1:
return AppColors.g1Text;
case 2:
return AppColors.g3Text;
case 3:
return AppColors.g2Text;
default:
return AppColors.slate500;
}
}
@override
Widget build(BuildContext context) {
return Scaffold(
backgroundColor: AppColors.todoBg,
body: SafeArea(
child: Container(
decoration: const BoxDecoration(
gradient: LinearGradient(
begin: Alignment.topCenter,
end: Alignment.bottomCenter,
colors: [AppColors.homeBackgroundTop, AppColors.todoBg],
),
),
child: Column(
crossAxisAlignment: CrossAxisAlignment.stretch,
children: [
_buildHeader(),
Expanded(child: _buildContent()),
],
),
),
),
);
}
Widget _buildHeader() {
return BackTitlePageHeader(
title: '待办详情',
onBack: () => context.pop(_didMutate),
trailing: _buildHeaderMenu(),
);
}
Widget? _buildHeaderMenu() {
if (_todo == null) {
return null;
}
return DetailHeaderActionMenu<_TodoHeaderAction>(
items: const [
DetailHeaderActionItem<_TodoHeaderAction>(
value: _TodoHeaderAction.edit,
label: '编辑',
icon: LucideIcons.pencil,
),
DetailHeaderActionItem<_TodoHeaderAction>(
value: _TodoHeaderAction.delete,
label: '删除',
icon: LucideIcons.trash2,
isDestructive: true,
),
],
onSelected: _handleHeaderAction,
);
}
void _handleHeaderAction(_TodoHeaderAction action) {
switch (action) {
case _TodoHeaderAction.edit:
_editTodo();
return;
case _TodoHeaderAction.delete:
_deleteTodo();
return;
}
}
Widget _buildContent() {
if (_isLoading) {
return const FullScreenLoading();
}
if (_error != null) {
return ErrorRetrySurface(message: '加载失败: $_error', onRetry: _loadTodo);
}
if (_todo == null) {
return const Center(child: Text('待办不存在'));
}
return Padding(
padding: const EdgeInsets.only(left: 16, right: 16, top: 4, bottom: 20),
child: ListView(
children: [
_buildMainCard(),
const SizedBox(height: 12),
if (_todo!.scheduleItems.isNotEmpty) ...[
Text(
'日历事件卡片',
style: TextStyle(
fontFamily: 'Inter',
fontSize: 12,
fontWeight: FontWeight.w500,
color: AppColors.slate500,
),
),
const SizedBox(height: 10),
..._todo!.scheduleItems.map(
(item) => _buildEventCard(
id: item.id,
title: item.title,
time: _formatEventTime(item.startAt, item.endAt),
borderColor: AppColors.todoEventBorder1,
onTap: () =>
context.push(AppRoutes.calendarEventDetail(item.id)),
),
),
],
],
),
);
}
String _formatEventTime(DateTime start, DateTime? end) {
final startStr =
'${start.year}${start.month}${start.day}${start.hour.toString().padLeft(2, '0')}:${start.minute.toString().padLeft(2, '0')}';
if (end != null) {
final endStr =
'${end.hour.toString().padLeft(2, '0')}:${end.minute.toString().padLeft(2, '0')}';
return '$startStr - $endStr';
}
return startStr;
}
Widget _buildMainCard() {
return Container(
width: double.infinity,
padding: const EdgeInsets.all(12),
decoration: BoxDecoration(
color: AppColors.todoCardBg,
borderRadius: BorderRadius.circular(14),
border: Border.all(color: AppColors.todoDetailCardBorder, width: 1),
),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
_todo!.title,
style: const TextStyle(
fontFamily: 'Inter',
fontSize: 18,
fontWeight: FontWeight.w700,
color: AppColors.slate900,
),
),
const SizedBox(height: 4),
Text(
_buildSubtitle(),
style: const TextStyle(
fontFamily: 'Inter',
fontSize: 12,
fontWeight: FontWeight.w500,
color: AppColors.slate500,
),
),
if (_todo!.description != null && _todo!.description!.isNotEmpty) ...[
const SizedBox(height: 8),
Text(
_todo!.description!,
style: const TextStyle(
fontFamily: 'Inter',
fontSize: 13,
color: AppColors.slate600,
),
),
],
const SizedBox(height: 8),
Container(height: 1, color: AppColors.border),
const SizedBox(height: 8),
_buildInfoRow(
label: '所属象限',
value: _getPriorityLabel(_todo!.priority),
valueColor: _getPriorityColor(_todo!.priority),
),
const SizedBox(height: 8),
_buildInfoRow(
label: '关联日历事件',
value: '${_todo!.scheduleItems.length}',
valueColor: AppColors.g3Text,
),
const SizedBox(height: 8),
_buildInfoRow(
label: '状态',
value: _todo!.status == 'done' ? '已完成' : '进行中',
valueColor: _todo!.status == 'done'
? AppColors.success
: AppColors.blue600,
),
],
),
);
}
String _buildSubtitle() {
final parts = <String>[];
parts.add('象限内顺序 #${_todo!.order + 1}');
if (_todo!.scheduleItems.isNotEmpty) {
parts.add('已拆分为${_todo!.scheduleItems.length}个日历事件');
} else {
parts.add('未关联日历事件');
}
return parts.join(' · ');
}
Widget _buildInfoRow({
required String label,
required String value,
required Color valueColor,
}) {
return Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
Text(
label,
style: const TextStyle(
fontFamily: 'Inter',
fontSize: 12,
fontWeight: FontWeight.w600,
color: AppColors.slate400,
),
),
Text(
value,
style: TextStyle(
fontFamily: 'Inter',
fontSize: 12,
fontWeight: FontWeight.w700,
color: valueColor,
),
),
],
);
}
Widget _buildEventCard({
required String id,
required String title,
required String time,
required Color borderColor,
VoidCallback? onTap,
}) {
return GestureDetector(
onTap: onTap,
child: Container(
width: double.infinity,
padding: const EdgeInsets.all(10),
margin: const EdgeInsets.only(bottom: 10),
decoration: BoxDecoration(
color: AppColors.todoCardBg,
borderRadius: BorderRadius.circular(14),
border: Border.all(color: borderColor, width: 1),
),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
title,
style: const TextStyle(
fontFamily: 'Inter',
fontSize: 13,
fontWeight: FontWeight.w600,
color: AppColors.slate700,
),
),
const SizedBox(height: 8),
Text(
time,
style: const TextStyle(
fontFamily: 'Inter',
fontSize: 12,
fontWeight: FontWeight.w500,
color: AppColors.slate500,
),
),
],
),
),
);
}
void _editTodo() async {
if (_todo == null) {
return;
}
final changed = await context.push<bool>(AppRoutes.todoEdit(_todo!.id));
if (changed == true) {
_didMutate = true;
if (!mounted) {
return;
}
context.pop(true);
}
}
void _deleteTodo() async {
final confirm = await showDestructiveActionSheet(
context,
title: '删除待办',
message: '确定要删除这个待办吗?',
confirmText: '确认删除',
);
if (confirm == true) {
try {
await _todoApi.deleteTodo(_todo!.id);
if (mounted) {
context.pop(true);
}
} catch (e) {
if (mounted) {
Toast.show(context, '删除失败: $e', type: ToastType.error);
}
}
}
}
}