feat(apps): 重构 UI 架构为 presentation 层并新增 l10n 国际化支持
This commit is contained in:
qzl
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import 'package:flutter/material.dart';
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import 'package:go_router/go_router.dart';
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import 'package:intl/intl.dart';
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import 'package:lucide_icons/lucide_icons.dart';
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import '../../../../app/di/injection.dart';
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import '../../../../app/router/app_routes.dart';
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import '../../../../core/l10n/l10n.dart';
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import '../../../../core/theme/design_tokens.dart';
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import '../../../../shared/widgets/back_title_page_header.dart';
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import '../../../../shared/widgets/detail_header_action_menu.dart';
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import '../../../../shared/widgets/destructive_action_sheet.dart';
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import '../../../../shared/widgets/error_retry_surface.dart';
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import '../../../../shared/widgets/full_screen_loading.dart';
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import '../../../../shared/widgets/toast/toast.dart';
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import '../../../../shared/widgets/toast/toast_type.dart';
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import '../../data/todo_api.dart';
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enum _TodoHeaderAction { edit, delete }
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class TodoDetailScreen extends StatefulWidget {
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final String todoId;
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const TodoDetailScreen({super.key, required this.todoId});
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@override
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State<TodoDetailScreen> createState() => _TodoDetailScreenState();
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}
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class _TodoDetailScreenState extends State<TodoDetailScreen> {
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final TodoApi _todoApi = sl<TodoApi>();
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TodoResponse? _todo;
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bool _isLoading = true;
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bool _didMutate = false;
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String? _error;
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@override
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void initState() {
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super.initState();
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_loadTodo();
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}
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Future<void> _loadTodo() async {
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if (!mounted) {
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return;
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}
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setState(() {
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_isLoading = true;
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_error = null;
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});
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try {
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final todo = await _todoApi.getTodo(widget.todoId);
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if (!mounted) {
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return;
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}
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setState(() {
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_todo = todo;
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_isLoading = false;
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});
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} catch (e) {
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if (!mounted) {
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return;
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}
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setState(() {
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_error = e.toString();
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_isLoading = false;
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});
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}
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}
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String _getPriorityLabel(int priority) {
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switch (priority) {
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case 1:
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return context.l10n.todoQuadrantImportantUrgent;
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case 2:
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return context.l10n.todoQuadrantImportantNotUrgent;
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case 3:
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return context.l10n.todoQuadrantUrgentNotImportant;
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case 4:
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return context.l10n.todoQuadrantNotUrgentNotImportant;
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default:
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return context.l10n.commonUnknown;
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}
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}
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Color _getPriorityColor(int priority) {
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switch (priority) {
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case 1:
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return AppColors.g1Text;
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case 2:
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return AppColors.g3Text;
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case 3:
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return AppColors.g2Text;
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default:
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return AppColors.slate500;
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}
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}
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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backgroundColor: AppColors.todoBg,
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body: SafeArea(
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child: Container(
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decoration: const BoxDecoration(
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gradient: LinearGradient(
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begin: Alignment.topCenter,
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end: Alignment.bottomCenter,
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colors: [AppColors.homeBackgroundTop, AppColors.todoBg],
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),
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),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.stretch,
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children: [
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_buildHeader(),
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Expanded(child: _buildContent()),
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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 _buildHeader() {
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return BackTitlePageHeader(
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title: context.l10n.todoDetailTitle,
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onBack: () => context.pop(_didMutate),
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trailing: _buildHeaderMenu(),
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);
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}
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Widget? _buildHeaderMenu() {
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if (_todo == null) {
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return null;
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}
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return DetailHeaderActionMenu<_TodoHeaderAction>(
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items: [
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DetailHeaderActionItem<_TodoHeaderAction>(
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value: _TodoHeaderAction.edit,
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label: context.l10n.commonEdit,
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icon: LucideIcons.pencil,
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),
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DetailHeaderActionItem<_TodoHeaderAction>(
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value: _TodoHeaderAction.delete,
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label: context.l10n.commonDelete,
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icon: LucideIcons.trash2,
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isDestructive: true,
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),
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],
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onSelected: _handleHeaderAction,
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);
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}
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void _handleHeaderAction(_TodoHeaderAction action) {
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switch (action) {
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case _TodoHeaderAction.edit:
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_editTodo();
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return;
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case _TodoHeaderAction.delete:
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_deleteTodo();
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return;
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}
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}
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Widget _buildContent() {
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if (_isLoading) {
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return const FullScreenLoading();
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}
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if (_error != null) {
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return ErrorRetrySurface(
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message: context.l10n.commonLoadFailed(_error!),
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onRetry: _loadTodo,
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);
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}
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if (_todo == null) {
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return Center(child: Text(context.l10n.todoNotFound));
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}
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return Padding(
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padding: const EdgeInsets.only(left: 16, right: 16, top: 4, bottom: 20),
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child: ListView(
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children: [
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_buildMainCard(),
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const SizedBox(height: 12),
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if (_todo!.scheduleItems.isNotEmpty) ...[
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Text(
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context.l10n.todoCalendarEventCards,
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style: TextStyle(
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fontFamily: 'Inter',
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fontSize: 12,
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fontWeight: FontWeight.w500,
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color: AppColors.slate500,
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),
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),
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const SizedBox(height: 10),
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..._todo!.scheduleItems.map(
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(item) => _buildEventCard(
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id: item.id,
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title: item.title,
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time: _formatEventTime(item.startAt, item.endAt),
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borderColor: AppColors.todoEventBorder1,
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onTap: () =>
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context.push(AppRoutes.calendarEventDetail(item.id)),
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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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String _formatEventTime(DateTime start, DateTime? end) {
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final startStr = DateFormat.yMd(
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context.l10n.localeName,
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).add_Hm().format(start);
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if (end != null) {
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final endStr =
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'${end.hour.toString().padLeft(2, '0')}:${end.minute.toString().padLeft(2, '0')}';
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return '$startStr - $endStr';
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}
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return startStr;
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}
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Widget _buildMainCard() {
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return Container(
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width: double.infinity,
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padding: const EdgeInsets.all(12),
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decoration: BoxDecoration(
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color: AppColors.todoCardBg,
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borderRadius: BorderRadius.circular(14),
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border: Border.all(color: AppColors.todoDetailCardBorder, width: 1),
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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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Text(
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_todo!.title,
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style: const TextStyle(
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fontFamily: 'Inter',
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fontSize: 18,
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fontWeight: FontWeight.w700,
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color: AppColors.slate900,
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),
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),
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const SizedBox(height: 4),
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Text(
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_buildSubtitle(),
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style: const TextStyle(
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fontFamily: 'Inter',
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fontSize: 12,
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fontWeight: FontWeight.w500,
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color: AppColors.slate500,
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),
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),
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if (_todo!.description != null && _todo!.description!.isNotEmpty) ...[
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const SizedBox(height: 8),
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Text(
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_todo!.description!,
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style: const TextStyle(
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fontFamily: 'Inter',
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fontSize: 13,
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color: AppColors.slate600,
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),
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),
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],
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const SizedBox(height: 8),
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Container(height: 1, color: AppColors.border),
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const SizedBox(height: 8),
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_buildInfoRow(
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label: context.l10n.todoPriorityQuadrant,
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value: _getPriorityLabel(_todo!.priority),
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valueColor: _getPriorityColor(_todo!.priority),
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),
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const SizedBox(height: 8),
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_buildInfoRow(
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label: context.l10n.todoLinkedCalendarEvents,
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value: context.l10n.todoItemCount(_todo!.scheduleItems.length),
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valueColor: AppColors.g3Text,
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),
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const SizedBox(height: 8),
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_buildInfoRow(
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label: context.l10n.todoStatus,
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value: _todo!.status == 'done'
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? context.l10n.todoStatusDone
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: context.l10n.todoStatusInProgress,
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valueColor: _todo!.status == 'done'
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? AppColors.success
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: AppColors.blue600,
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),
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],
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),
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);
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}
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String _buildSubtitle() {
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final parts = <String>[];
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parts.add(context.l10n.todoQuadrantOrder(_todo!.order + 1));
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if (_todo!.scheduleItems.isNotEmpty) {
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parts.add(context.l10n.todoSplitToEvents(_todo!.scheduleItems.length));
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} else {
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parts.add(context.l10n.todoNoLinkedEvents);
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}
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return parts.join(' · ');
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}
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Widget _buildInfoRow({
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required String label,
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required String value,
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required Color valueColor,
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}) {
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return Row(
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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Text(
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label,
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style: const TextStyle(
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fontFamily: 'Inter',
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fontSize: 12,
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fontWeight: FontWeight.w600,
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color: AppColors.slate400,
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),
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),
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Text(
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value,
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style: TextStyle(
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fontFamily: 'Inter',
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fontSize: 12,
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fontWeight: FontWeight.w700,
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color: valueColor,
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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 _buildEventCard({
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required String id,
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required String title,
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required String time,
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required Color borderColor,
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VoidCallback? onTap,
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}) {
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return GestureDetector(
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onTap: onTap,
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child: Container(
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width: double.infinity,
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padding: const EdgeInsets.all(10),
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margin: const EdgeInsets.only(bottom: 10),
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decoration: BoxDecoration(
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color: AppColors.todoCardBg,
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borderRadius: BorderRadius.circular(14),
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border: Border.all(color: borderColor, width: 1),
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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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Text(
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title,
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style: const TextStyle(
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fontFamily: 'Inter',
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fontSize: 13,
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fontWeight: FontWeight.w600,
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color: AppColors.slate700,
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),
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),
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const SizedBox(height: 8),
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Text(
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time,
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style: const TextStyle(
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fontFamily: 'Inter',
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fontSize: 12,
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fontWeight: FontWeight.w500,
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color: AppColors.slate500,
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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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void _editTodo() async {
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if (_todo == null) {
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return;
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}
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final changed = await context.push<bool>(AppRoutes.todoEdit(_todo!.id));
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if (changed == true) {
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_didMutate = true;
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if (!mounted) {
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return;
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}
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context.pop(true);
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}
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}
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void _deleteTodo() async {
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final confirm = await showDestructiveActionSheet(
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context,
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title: context.l10n.todoDeleteTitle,
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message: context.l10n.todoDeleteMessage,
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confirmText: context.l10n.todoDeleteConfirm,
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);
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if (confirm == true) {
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try {
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await _todoApi.deleteTodo(_todo!.id);
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if (mounted) {
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context.pop(true);
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}
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} catch (e) {
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if (mounted) {
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Toast.show(
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context,
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context.l10n.todoDeleteFailed(e.toString()),
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type: ToastType.error,
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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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