119 lines
3.5 KiB
Dart
119 lines
3.5 KiB
Dart
import 'package:flutter/material.dart';
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import '../app/theme/app_colors.dart';
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import '../app/i18n/app_localizations.dart';
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import '../core/updater/update_service.dart';
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import '../core/providers/notification_badge_manager.dart';
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import '../features/coupons/presentation/pages/home_page.dart';
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import '../features/coupons/presentation/pages/market_page.dart';
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import '../features/message/presentation/pages/message_page.dart';
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import '../features/profile/presentation/pages/profile_page.dart';
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/// GenexMobile主Shell - Bottom Navigation
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///
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/// Tab: 首页 / 交易 / 消息 / 我的
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class MainShell extends StatefulWidget {
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const MainShell({super.key});
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@override
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State<MainShell> createState() => _MainShellState();
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}
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class _MainShellState extends State<MainShell> {
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int _currentIndex = 0;
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bool _updateChecked = false;
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final _pages = const [
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HomePage(),
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MarketPage(),
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MessagePage(),
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ProfilePage(),
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];
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@override
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void didChangeDependencies() {
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super.didChangeDependencies();
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if (!_updateChecked) {
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_updateChecked = true;
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_checkForUpdate();
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}
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}
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Future<void> _checkForUpdate() async {
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await Future.delayed(const Duration(seconds: 3));
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if (!mounted) return;
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await UpdateService().checkForUpdate(context);
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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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body: IndexedStack(
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index: _currentIndex,
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children: _pages,
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),
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bottomNavigationBar: Container(
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decoration: const BoxDecoration(
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color: AppColors.surface,
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border: Border(top: BorderSide(color: AppColors.borderLight, width: 0.5)),
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),
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child: NavigationBar(
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selectedIndex: _currentIndex,
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onDestinationSelected: (index) => setState(() => _currentIndex = index),
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destinations: [
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_buildDestination(Icons.home_rounded, Icons.home_outlined, context.t('nav.home')),
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_buildDestination(Icons.show_chart_rounded, Icons.show_chart_outlined, context.t('nav.trading')),
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_buildBadgeDestination(
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Icons.notifications_rounded,
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Icons.notifications_outlined,
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context.t('nav.messages'),
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),
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_buildDestination(Icons.person_rounded, Icons.person_outlined, context.t('nav.profile')),
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],
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),
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),
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);
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}
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NavigationDestination _buildDestination(
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IconData selected,
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IconData unselected,
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String label,
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) {
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return NavigationDestination(
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icon: Icon(unselected),
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selectedIcon: Icon(selected),
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label: label,
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);
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}
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NavigationDestination _buildBadgeDestination(
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IconData selected,
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IconData unselected,
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String label,
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) {
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return NavigationDestination(
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icon: ValueListenableBuilder<int>(
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valueListenable: NotificationBadgeManager().unreadCount,
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builder: (context, count, _) {
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if (count <= 0) return Icon(unselected);
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return Badge(
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label: Text('$count', style: const TextStyle(fontSize: 10)),
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child: Icon(unselected),
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);
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},
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),
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selectedIcon: ValueListenableBuilder<int>(
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valueListenable: NotificationBadgeManager().unreadCount,
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builder: (context, count, _) {
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if (count <= 0) return Icon(selected);
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return Badge(
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label: Text('$count', style: const TextStyle(fontSize: 10)),
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child: Icon(selected),
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);
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},
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),
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label: label,
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);
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}
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}
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