673 lines
24 KiB
Dart
673 lines
24 KiB
Dart
import 'dart:async';
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import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
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import '../../core/constants/app_colors.dart';
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import '../../core/constants/app_sizes.dart';
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import '../screens/dashboard/dashboard_screen.dart';
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import '../screens/settings/settings_screen.dart';
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import '../screens/students/students_screen.dart';
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import '../screens/documents/documents_screen.dart';
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import '../screens/archives/archives_screen.dart';
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import '../screens/reports/reports_screen.dart';
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import '../screens/users/users_screen.dart';
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import 'package:flutter_riverpod/flutter_riverpod.dart'; // Import Riverpod
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import '../providers/dashboard_provider.dart';
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import '../providers/student_provider.dart' hide academicYearsProvider;
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import '../providers/document_provider.dart';
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import '../providers/archives_provider.dart';
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import '../providers/reports_provider.dart';
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import '../providers/users_provider.dart';
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import '../providers/auth_provider.dart';
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import '../shared/dialogs/logout_dialog.dart';
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import '../shared/widgets/abstract_background.dart';
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import '../providers/navigation_provider.dart';
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import '../screens/capstone_members/capstone_members_screen.dart';
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// Dummy screen for placeholders
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class PlaceholderScreen extends StatelessWidget {
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final String title;
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const PlaceholderScreen(this.title, {super.key});
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@override
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Widget build(BuildContext context) =>
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Center(child: Text(title, style: const TextStyle(fontSize: 24)));
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}
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class AndroidBottomNavLayout extends ConsumerStatefulWidget {
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final String userRole;
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const AndroidBottomNavLayout({super.key, required this.userRole});
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@override
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ConsumerState<AndroidBottomNavLayout> createState() =>
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_AndroidBottomNavLayoutState();
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}
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class _AndroidBottomNavLayoutState extends ConsumerState<AndroidBottomNavLayout>
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with TickerProviderStateMixin {
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final GlobalKey<ScaffoldState> _scaffoldKey = GlobalKey<ScaffoldState>();
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final Set<int> _visitedIndices = {};
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Timer? _holdTimer;
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Timer? _tabLoadingTimer;
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bool _isTabLoading = false;
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TabController? _tabController;
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List<Map<String, dynamic>> _tabs = [];
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List<Map<String, dynamic>> _allowedPrimary = [];
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List<Map<String, dynamic>> _allowedSecondary = [];
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@override
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void initState() {
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super.initState();
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_initTabs();
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}
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void _initTabs() {
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final primaryTabsConfig = [
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{
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'label': 'Dashboard',
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'icon': Icons.dashboard_outlined,
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'activeIcon': Icons.dashboard,
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'screen': const DashboardScreen(),
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'roles': ['admin', 'teacher'],
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},
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{
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'label': 'Students',
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'icon': Icons.people_outline,
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'activeIcon': Icons.people,
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'screen': StudentsScreen(userRole: widget.userRole),
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'roles': ['admin', 'teacher'],
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},
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{
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'label': 'Documents',
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'icon': Icons.folder_outlined,
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'activeIcon': Icons.folder,
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'screen': DocumentsScreen(userRole: widget.userRole),
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'roles': ['admin', 'teacher'],
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},
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{
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'label': 'Archives',
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'icon': Icons.archive_outlined,
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'activeIcon': Icons.archive,
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'screen': ArchivesScreen(userRole: widget.userRole),
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'roles': ['admin'],
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},
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];
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final secondaryTabsConfig = [
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{
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'label': 'Reports',
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'icon': Icons.bar_chart,
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'activeIcon': Icons.bar_chart,
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'screen': ReportsScreen(userRole: widget.userRole),
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'roles': ['admin'],
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},
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{
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'label': 'Users',
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'icon': Icons.manage_accounts_outlined,
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'activeIcon': Icons.manage_accounts,
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'screen': const UsersScreen(),
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'roles': ['admin'],
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},
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{
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'label': 'Settings',
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'icon': Icons.settings_outlined,
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'activeIcon': Icons.settings,
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'screen': SettingsScreen(userRole: widget.userRole),
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'roles': ['admin', 'teacher'],
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},
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];
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_allowedPrimary = primaryTabsConfig
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.where((t) => (t['roles'] as List<String>).contains(widget.userRole))
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.toList();
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_allowedSecondary = secondaryTabsConfig
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.where((t) => (t['roles'] as List<String>).contains(widget.userRole))
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.toList();
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_tabs = [..._allowedPrimary, ..._allowedSecondary];
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_tabController = TabController(length: _tabs.length, vsync: this);
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_tabController!.addListener(_handleTabSelection);
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}
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void _handleTabSelection() {
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if (_tabController!.indexIsChanging) return;
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final newLabel = _tabs[_tabController!.index]['label'] as String;
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if (ref.read(activeTabProvider) != newLabel) {
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ref.read(activeTabProvider.notifier).setTab(newLabel);
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_reloadTabContent(newLabel);
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}
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}
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@override
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void dispose() {
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_tabController?.dispose();
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_holdTimer?.cancel();
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_tabLoadingTimer?.cancel();
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super.dispose();
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}
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void _reloadTabContent(String label) {
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switch (label) {
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case 'Dashboard':
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ref.invalidate(dashboardDataProvider);
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break;
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case 'Students':
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ref.read(studentQueryProvider.notifier).reset();
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ref.invalidate(studentPageProvider);
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break;
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case 'Documents':
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ref.invalidate(foldersProvider);
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ref.invalidate(documentPageProvider);
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break;
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case 'Archives':
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ref.invalidate(archivePageProvider);
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break;
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case 'Reports':
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ref.invalidate(reportStatsProvider);
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ref.invalidate(academicYearsProvider);
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ref.invalidate(yearlyComparisonProvider);
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break;
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case 'Users':
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ref.invalidate(usersProvider);
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break;
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}
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}
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void _onNavTapped(String label) {
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setState(() {
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_isTabLoading = true;
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});
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_tabLoadingTimer?.cancel();
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_tabLoadingTimer = Timer(const Duration(milliseconds: 100), () {
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if (mounted) {
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setState(() {
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_isTabLoading = false;
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});
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}
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});
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ref.read(activeTabProvider.notifier).setTab(label);
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_reloadTabContent(label);
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}
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void _showCapstoneMembers(BuildContext context) {
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Navigator.push(
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context,
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MaterialPageRoute(builder: (context) => const CapstoneMembersScreen()),
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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 activeTab = ref.watch(activeTabProvider);
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int currentIndex = _tabs.indexWhere((t) => t['label'] == activeTab);
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if (currentIndex == -1) currentIndex = 0; // Fallback to Dashboard
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// if (_tabController != null && _tabController!.index != currentIndex) {
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// _tabController!.animateTo(currentIndex);
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// }
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_visitedIndices.add(currentIndex);
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return PopScope(
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canPop: false,
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onPopInvokedWithResult: (didPop, result) async {
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if (didPop) return;
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if (activeTab != 'Dashboard') {
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_onNavTapped('Dashboard');
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return;
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}
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final shouldExit = await showDialog<bool>(
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context: context,
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builder: (context) => AlertDialog(
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(12),
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),
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title: const Row(
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children: [
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Icon(Icons.warning_amber_rounded, color: Colors.redAccent),
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SizedBox(width: 10),
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Text('Confirm Exit'),
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],
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),
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content: const Text('Are you sure you want to exit the app?'),
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actions: [
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TextButton(
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onPressed: () => Navigator.of(context).pop(false),
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child: const Text(
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'CANCEL',
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style: TextStyle(color: Colors.grey),
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),
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),
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TextButton(
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onPressed: () => Navigator.of(context).pop(true),
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child: const Text(
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'EXIT',
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style: TextStyle(
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color: Colors.redAccent,
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fontWeight: FontWeight.bold,
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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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if (shouldExit == true) {
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SystemNavigator.pop();
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}
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},
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child: SafeArea(
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child: Scaffold(
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key: _scaffoldKey,
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backgroundColor: Theme.of(context).scaffoldBackgroundColor,
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appBar: AppBar(
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backgroundColor: Theme.of(context).appBarTheme.backgroundColor,
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foregroundColor: Theme.of(context).colorScheme.primary,
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iconTheme: IconThemeData(color: Theme.of(context).colorScheme.primary),
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title: Text(
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activeTab,
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style: TextStyle(
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fontWeight: FontWeight.bold,
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color: Theme.of(context).colorScheme.primary,
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),
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),
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elevation: 0,
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surfaceTintColor: Colors.transparent,
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),
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drawer: Drawer(
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backgroundColor: Theme.of(context).colorScheme.surface,
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surfaceTintColor: Colors.transparent,
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width: 280,
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child: SafeArea(
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child: Column(
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children: [
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Container(
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width: double.infinity,
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padding: const EdgeInsets.only(
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top: 16,
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bottom: 16,
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left: 24,
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right: 16,
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),
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child: Row(
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children: [
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GestureDetector(
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onLongPressStart: (_) {
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_holdTimer = Timer(const Duration(seconds: 2), () {
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_showCapstoneMembers(context);
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});
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},
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onLongPressEnd: (_) => _holdTimer?.cancel(),
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onLongPressCancel: () => _holdTimer?.cancel(),
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child: Container(
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decoration: BoxDecoration(
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borderRadius: BorderRadius.circular(8),
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boxShadow: [
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BoxShadow(
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color: Colors.black.withOpacity(0.05),
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blurRadius: 4,
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offset: const Offset(0, 2),
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),
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],
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),
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child: ClipRRect(
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borderRadius: BorderRadius.circular(8),
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child: Image.asset(
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'assets/images/logo.png',
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width: 36,
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height: 36,
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fit: BoxFit.contain,
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),
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),
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),
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),
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const SizedBox(width: 12),
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const Text(
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'TIS RMS',
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style: TextStyle(
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fontWeight: FontWeight.bold,
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fontSize: 18,
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letterSpacing: 1.2,
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color: Colors.black87,
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),
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),
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const Spacer(),
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IconButton(
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icon: const Icon(Icons.menu, color: Colors.black54),
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onPressed: () => Navigator.pop(context),
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),
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],
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),
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),
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Expanded(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.stretch,
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children: [
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Expanded(
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child: ListView(
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physics: const NeverScrollableScrollPhysics(),
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padding: EdgeInsets.zero,
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children: [
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if (_allowedPrimary.isNotEmpty) ...[
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Container(
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padding: const EdgeInsets.symmetric(
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horizontal: 24,
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vertical: 8,
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),
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alignment: Alignment.centerLeft,
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child: Text(
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'MENU',
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style: TextStyle(
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fontSize: 12,
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fontWeight: FontWeight.bold,
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color: Theme.of(context).colorScheme.onSurface.withOpacity(0.38),
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),
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),
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),
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Padding(
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padding: const EdgeInsets.symmetric(
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horizontal: 12,
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),
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child: Column(
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children: [
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..._allowedPrimary.map(
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(tab) => _buildDrawerItem(
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tab,
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currentIndex,
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_tabs,
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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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),
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if (_allowedSecondary.isNotEmpty)
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Column(
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crossAxisAlignment: CrossAxisAlignment.stretch,
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children: [
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Container(
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padding: const EdgeInsets.symmetric(
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horizontal: 24,
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vertical: 8,
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),
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alignment: Alignment.centerLeft,
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child: Text(
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'SYSTEM',
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style: TextStyle(
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fontSize: 12,
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fontWeight: FontWeight.bold,
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color: Theme.of(context).colorScheme.onSurface.withOpacity(0.38),
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),
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),
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),
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Padding(
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padding: const EdgeInsets.symmetric(
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horizontal: 12,
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),
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child: Column(
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children: [
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..._allowedSecondary.map(
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(tab) => _buildDrawerItem(
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tab,
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currentIndex,
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_tabs,
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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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),
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),
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const Divider(),
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Padding(
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padding: const EdgeInsets.fromLTRB(24, 16, 16, 24),
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child: Row(
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children: [
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Builder(
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builder: (context) {
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final user = ref.watch(authProvider).value;
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final initials =
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user != null &&
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user.firstName.isNotEmpty &&
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user.lastName.isNotEmpty
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? '${user.firstName[0]}${user.lastName[0]}'
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.toUpperCase()
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: 'SA';
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return CircleAvatar(
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radius: 20,
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backgroundColor: AppColors.primaryGreen,
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child: Text(
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initials,
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style: const TextStyle(
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color: Colors.white,
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fontWeight: FontWeight.bold,
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fontSize: 16,
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),
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),
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);
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},
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),
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const SizedBox(width: 12),
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Expanded(
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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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ref.watch(authProvider).value?.fullName ??
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'Unknown User',
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style: const TextStyle(
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fontWeight: FontWeight.bold,
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fontSize: 14,
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color: Colors.black87,
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),
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maxLines: 1,
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overflow: TextOverflow.ellipsis,
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),
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Text(
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widget.userRole.toUpperCase(),
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style: const TextStyle(
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fontSize: 12,
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color: Colors.black54,
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),
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),
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],
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),
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),
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IconButton(
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icon: const Icon(Icons.logout, color: Colors.black54),
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onPressed: () {
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Navigator.pop(context); // Close drawer first
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showLogoutConfirmationDialog(context);
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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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),
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body: AbstractBackground(
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child: Stack(
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children: [
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IndexedStack(
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index: currentIndex,
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children: _tabs.asMap().entries.map((entry) {
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return _visitedIndices.contains(entry.key)
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? entry.value['screen'] as Widget
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: const SizedBox.shrink();
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}).toList(),
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),
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if (_isTabLoading)
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Container(
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color: Theme.of(context).scaffoldBackgroundColor,
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width: double.infinity,
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height: double.infinity,
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child: const _PageSkeletonLoader(),
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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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Widget _buildDrawerItem(
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Map<String, dynamic> tab,
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int currentIndex,
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List<Map<String, dynamic>> allTabs,
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) {
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final label = tab['label'] as String;
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final icon = tab['icon'] as IconData;
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final activeIcon = tab['activeIcon'] as IconData? ?? icon;
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final index = allTabs.indexWhere((t) => t['label'] == label);
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final isSelected = index == currentIndex;
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final isDark = Theme.of(context).brightness == Brightness.dark;
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return Padding(
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padding: const EdgeInsets.symmetric(horizontal: 16.0, vertical: 4.0),
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child: Material(
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color: isSelected
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? AppColors.primaryGreen.withOpacity(0.12)
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: Colors.transparent,
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borderRadius: BorderRadius.circular(12),
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clipBehavior: Clip.antiAlias,
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child: InkWell(
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onTap: () {
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Navigator.pop(context); // Close drawer
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_onNavTapped(label);
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},
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child: Padding(
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padding: const EdgeInsets.symmetric(
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horizontal: 16.0,
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vertical: 12.0,
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),
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child: Row(
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children: [
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Icon(
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isSelected ? activeIcon : icon,
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color: isSelected
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? AppColors.primaryGreen
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: (isDark ? Theme.of(context).colorScheme.onSurface.withOpacity(0.6) : Colors.grey.shade600),
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size: 22,
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),
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const SizedBox(width: 16),
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Text(
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label,
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style: TextStyle(
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fontSize: 14,
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fontWeight: isSelected ? FontWeight.w600 : FontWeight.w500,
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color: isSelected
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? AppColors.primaryGreen
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: (isDark ? Theme.of(context).colorScheme.onSurface.withOpacity(0.7) : Colors.grey.shade700),
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),
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),
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],
|
|
),
|
|
),
|
|
),
|
|
),
|
|
);
|
|
}
|
|
}
|
|
|
|
class _PageSkeletonLoader extends StatefulWidget {
|
|
const _PageSkeletonLoader();
|
|
|
|
@override
|
|
State<_PageSkeletonLoader> createState() => _PageSkeletonLoaderState();
|
|
}
|
|
|
|
class _PageSkeletonLoaderState extends State<_PageSkeletonLoader>
|
|
with SingleTickerProviderStateMixin {
|
|
late AnimationController _controller;
|
|
|
|
@override
|
|
void initState() {
|
|
super.initState();
|
|
_controller = AnimationController(
|
|
vsync: this,
|
|
duration: const Duration(seconds: 1),
|
|
)..repeat(reverse: true);
|
|
}
|
|
|
|
@override
|
|
void dispose() {
|
|
_controller.dispose();
|
|
super.dispose();
|
|
}
|
|
|
|
@override
|
|
Widget build(BuildContext context) {
|
|
return FadeTransition(
|
|
opacity: Tween<double>(begin: 0.3, end: 1.0).animate(_controller),
|
|
child: Padding(
|
|
padding: const EdgeInsets.all(24.0),
|
|
child: Column(
|
|
crossAxisAlignment: CrossAxisAlignment.start,
|
|
children: [
|
|
Container(
|
|
height: 40,
|
|
width: 180,
|
|
decoration: BoxDecoration(
|
|
color: Colors.grey.shade300,
|
|
borderRadius: BorderRadius.circular(8),
|
|
),
|
|
),
|
|
const SizedBox(height: 24),
|
|
Row(
|
|
children: [
|
|
Expanded(
|
|
child: Container(
|
|
height: 80,
|
|
decoration: BoxDecoration(
|
|
color: Colors.grey.shade200,
|
|
borderRadius: BorderRadius.circular(12),
|
|
),
|
|
),
|
|
),
|
|
const SizedBox(width: 16),
|
|
Expanded(
|
|
child: Container(
|
|
height: 80,
|
|
decoration: BoxDecoration(
|
|
color: Colors.grey.shade200,
|
|
borderRadius: BorderRadius.circular(12),
|
|
),
|
|
),
|
|
),
|
|
],
|
|
),
|
|
const SizedBox(height: 24),
|
|
Expanded(
|
|
child: ListView.separated(
|
|
itemCount: 5,
|
|
physics: const NeverScrollableScrollPhysics(),
|
|
separatorBuilder: (_, __) => const SizedBox(height: 16),
|
|
itemBuilder: (_, __) => Container(
|
|
height: 60,
|
|
decoration: BoxDecoration(
|
|
color: Colors.grey.shade200,
|
|
borderRadius: BorderRadius.circular(8),
|
|
),
|
|
),
|
|
),
|
|
),
|
|
],
|
|
),
|
|
),
|
|
);
|
|
}
|
|
}
|