266 lines
11 KiB
Dart
266 lines
11 KiB
Dart
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 '../providers/navigation_provider.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) => 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() => _AndroidBottomNavLayoutState();
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}
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class _AndroidBottomNavLayoutState extends ConsumerState<AndroidBottomNavLayout> {
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final Set<int> _visitedIndices = {};
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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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ref.read(activeTabProvider.notifier).setTab(label);
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_reloadTabContent(label);
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}
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@override
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Widget build(BuildContext context) {
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final primaryTabsConfig = [
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{'label': 'Dashboard', 'icon': Icons.dashboard, 'screen': const DashboardScreen(), 'roles': ['admin', 'teacher']},
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{'label': 'Students', 'icon': Icons.people, 'screen': StudentsScreen(userRole: widget.userRole), 'roles': ['admin', 'teacher']},
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{'label': 'Documents', 'icon': Icons.folder, 'screen': DocumentsScreen(userRole: widget.userRole), 'roles': ['admin', 'teacher']},
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{'label': 'Archives', 'icon': Icons.archive, 'screen': ArchivesScreen(userRole: widget.userRole), 'roles': ['admin']},
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];
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final secondaryTabsConfig = [
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{'label': 'Reports', 'icon': Icons.bar_chart, 'screen': ReportsScreen(userRole: widget.userRole), 'roles': ['admin']},
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{'label': 'Users', 'icon': Icons.manage_accounts, 'screen': const UsersScreen(), 'roles': ['admin']},
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{'label': 'Settings', 'icon': Icons.settings, 'screen': SettingsScreen(userRole: widget.userRole), 'roles': ['admin', 'teacher']},
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];
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final allowedPrimary = primaryTabsConfig.where((t) => (t['roles'] as List<String>).contains(widget.userRole)).toList();
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final allowedSecondary = secondaryTabsConfig.where((t) => (t['roles'] as List<String>).contains(widget.userRole)).toList();
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final tabs = [...allowedPrimary, ...allowedSecondary];
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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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_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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final shouldExit = await showDialog<bool>(
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context: context,
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builder: (context) => AlertDialog(
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shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
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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('CANCEL', style: TextStyle(color: Colors.grey)),
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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('EXIT', style: TextStyle(color: Colors.redAccent, fontWeight: FontWeight.bold)),
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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: Scaffold(
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backgroundColor: AppColors.pageBackground,
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appBar: AppBar(
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backgroundColor: AppColors.primaryGreen,
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foregroundColor: Colors.white,
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iconTheme: const IconThemeData(color: Colors.white),
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title: Text(
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tabs[currentIndex]['label'] as String,
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style: const TextStyle(fontWeight: FontWeight.bold, color: Colors.white),
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),
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elevation: 0,
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),
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drawer: Drawer(
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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(top: 48, bottom: 24, left: 16, right: 16),
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decoration: const BoxDecoration(color: AppColors.primaryGreen),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Row(
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children: [
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const CircleAvatar(
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backgroundColor: Colors.transparent,
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radius: 24,
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backgroundImage: AssetImage('assets/images/logo.png'),
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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: const [
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Text('TIS', style: TextStyle(fontWeight: FontWeight.bold, fontSize: 24, color: Colors.white)),
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Text('Record Management System', style: TextStyle(fontSize: 12, color: Colors.white70)),
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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(height: 24),
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Text(
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ref.watch(authProvider).value?.fullName ?? 'Unknown User',
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style: const TextStyle(fontWeight: FontWeight.bold, fontSize: 16, color: Colors.white),
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),
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Text('Role: ${widget.userRole.toUpperCase()}', style: const TextStyle(color: Colors.white70, fontSize: 13)),
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],
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),
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),
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Expanded(
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child: ListView(
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padding: EdgeInsets.zero,
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children: [
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if (allowedPrimary.isNotEmpty) ...[
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const Padding(
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padding: EdgeInsets.fromLTRB(16, 16, 16, 8),
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child: Text('MAIN', style: TextStyle(color: AppColors.textSecondary, fontWeight: FontWeight.bold, fontSize: 12)),
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),
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...allowedPrimary.map((tab) => _buildDrawerItem(tab, currentIndex, tabs)),
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],
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if (allowedSecondary.isNotEmpty) ...[
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const Divider(),
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const Padding(
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padding: EdgeInsets.fromLTRB(16, 16, 16, 8),
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child: Text('OTHER', style: TextStyle(color: AppColors.textSecondary, fontWeight: FontWeight.bold, fontSize: 12)),
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),
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...allowedSecondary.map((tab) => _buildDrawerItem(tab, currentIndex, tabs)),
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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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ListTile(
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leading: const Icon(Icons.exit_to_app, color: AppColors.error),
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title: const Text('Logout', style: TextStyle(fontWeight: FontWeight.bold, color: AppColors.error)),
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onTap: () {
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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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const SizedBox(height: 16),
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],
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),
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),
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body: 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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),
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);
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}
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Widget _buildDrawerItem(Map<String, dynamic> tab, int currentIndex, List<Map<String, dynamic>> allTabs) {
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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 index = allTabs.indexWhere((t) => t['label'] == label);
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final isSelected = index == currentIndex;
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return Container(
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decoration: BoxDecoration(
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border: isSelected
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? const Border(
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right: BorderSide(
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color: AppColors.primaryGreen,
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width: 4.0,
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),
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)
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: null,
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),
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child: ListTile(
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leading: Icon(icon, color: isSelected ? AppColors.primaryGreen : AppColors.textPrimary),
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title: Text(
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label,
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style: TextStyle(
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fontWeight: isSelected ? FontWeight.bold : FontWeight.w500,
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color: isSelected ? AppColors.primaryGreen : AppColors.textPrimary,
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),
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),
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selected: isSelected,
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selectedTileColor: AppColors.primaryGreen.withOpacity(0.1),
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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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),
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);
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}
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} |