469 lines
15 KiB
Dart
469 lines
15 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:flutter_animate/flutter_animate.dart';
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import 'package:go_router/go_router.dart';
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import 'package:cloud_firestore/cloud_firestore.dart';
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import '../../../../core/theme/app_theme_extension.dart';
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import '../../../../core/services/auth_service.dart';
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import '../../../../core/services/gamification_service.dart';
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import '../../../../core/models/class_stats.dart';
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import '../../../../core/models/achievement.dart';
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import '../widgets/class_analytics_card.dart';
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import '../widgets/class_students_inline_widget.dart';
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import '../widgets/create_achievement_dialog.dart';
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/// Analytics page for teachers with class breakdowns and rankings
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class AnalyticsPage extends StatefulWidget {
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const AnalyticsPage({super.key});
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@override
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State<AnalyticsPage> createState() => _AnalyticsPageState();
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}
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class _AnalyticsPageState extends State<AnalyticsPage>
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with SingleTickerProviderStateMixin {
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late TabController _tabController;
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final _classSearchController = TextEditingController();
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String _classSearchQuery = '';
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List<ClassStats> _classStats = [];
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bool _loading = true;
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String? _selectedClassId;
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String? _selectedClassName;
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@override
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void initState() {
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super.initState();
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_tabController = TabController(length: 2, vsync: this);
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_loadClassStats();
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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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_classSearchController.dispose();
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super.dispose();
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}
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Future<void> _loadClassStats() async {
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try {
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final user = AuthService.currentUser;
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if (user == null) return;
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// Obter turmas do professor
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final classesSnapshot = await FirebaseFirestore.instance
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.collection('classes')
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.where('teacherId', isEqualTo: user.uid)
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.get();
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final classStatsList = <ClassStats>[];
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for (final classDoc in classesSnapshot.docs) {
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final classId = classDoc.id;
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// Forçar atualização para obter dados mais recentes
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final stats = await GamificationService.getClassStats(
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classId,
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forceRefresh: true,
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);
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if (stats != null) {
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classStatsList.add(stats);
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}
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}
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if (mounted) {
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setState(() {
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_classStats = classStatsList;
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_loading = false;
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});
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}
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} catch (e) {
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print('Error loading class stats: $e');
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if (mounted) {
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setState(() {
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_loading = false;
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});
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}
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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 themeExtras = AppThemeExtras.of(context);
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return PopScope(
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canPop: false,
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onPopInvoked: (didPop) {
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if (didPop) return;
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context.go('/teacher-dashboard');
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},
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child: Scaffold(
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backgroundColor: Colors.transparent,
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resizeToAvoidBottomInset: false,
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body: DecoratedBox(
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decoration: 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: themeExtras.dashboardBackgroundGradient,
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stops: themeExtras.dashboardGradientStops,
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),
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),
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child: SafeArea(
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top: false,
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bottom: false,
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child: Column(
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children: [
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// Header
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Container(
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padding: const EdgeInsets.only(
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left: 24,
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right: 24,
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bottom: 28,
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top: 52,
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),
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child: Column(
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children: [
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Row(
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crossAxisAlignment: CrossAxisAlignment.center,
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children: [
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IconButton(
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icon: const Icon(
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Icons.arrow_back,
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color: Colors.white,
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),
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onPressed: () => context.go('/teacher-dashboard'),
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),
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const SizedBox(width: 16),
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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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const Text(
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'Analytics',
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style: TextStyle(
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color: Colors.white,
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fontSize: 28,
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fontWeight: FontWeight.bold,
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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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'Acompanhe o desempenho das turmas',
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style: TextStyle(
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color: Colors.white.withValues(alpha: 0.8),
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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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IconButton(
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icon: const Icon(Icons.add, color: Colors.white),
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onPressed: _showCreateAchievementDialog,
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tooltip: 'Criar Conquista',
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),
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],
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),
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const SizedBox(height: 20),
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TabBar(
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controller: _tabController,
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labelColor: Colors.white,
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unselectedLabelColor: Colors.white.withValues(
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alpha: 0.7,
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),
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indicatorColor: Colors.white,
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indicatorWeight: 2,
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tabs: const [
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Tab(text: 'Turmas'),
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Tab(text: 'Alunos'),
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],
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),
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],
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),
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),
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// Content
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Expanded(
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child: TabBarView(
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controller: _tabController,
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children: [_buildClassesTab(), _buildStudentsTab()],
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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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Widget _buildClassesTab() {
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if (_loading) {
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return const Center(
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child: CircularProgressIndicator(color: Colors.white),
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);
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}
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if (_classStats.isEmpty) {
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return Center(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Icon(
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Icons.analytics_outlined,
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size: 64,
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color: Colors.white.withValues(alpha: 0.5),
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),
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const SizedBox(height: 16),
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Text(
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'Nenhuma turma encontrada',
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style: TextStyle(
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color: Colors.white.withValues(alpha: 0.7),
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fontSize: 18,
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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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'Crie turmas para ver as analytics aqui',
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style: TextStyle(
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color: Colors.white.withValues(alpha: 0.5),
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fontSize: 14,
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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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final filtered = _classSearchQuery.isEmpty
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? _classStats
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: _classStats
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.where(
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(s) => s.className.toLowerCase().contains(_classSearchQuery),
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)
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.toList();
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return CustomScrollView(
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slivers: [
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SliverPadding(
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padding: const EdgeInsets.fromLTRB(24, 24, 24, 0),
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sliver: SliverToBoxAdapter(
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child: Column(
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children: [
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// Overview Cards
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Center(
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child: _buildOverviewCard(
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'Total de Alunos',
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'${_classStats.fold(0, (sum, s) => sum + s.totalStudents)}',
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Icons.people,
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Colors.blue,
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),
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),
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const SizedBox(height: 20),
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// Search bar
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Container(
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padding: const EdgeInsets.symmetric(
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horizontal: 14,
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vertical: 10,
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),
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decoration: BoxDecoration(
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color: Colors.white.withValues(alpha: 0.1),
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borderRadius: BorderRadius.circular(12),
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border: Border.all(
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color: Colors.white.withValues(alpha: 0.2),
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),
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),
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child: Row(
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children: [
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Icon(
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Icons.search,
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color: Colors.white.withValues(alpha: 0.7),
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size: 20,
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),
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const SizedBox(width: 10),
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Expanded(
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child: Theme(
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data: ThemeData.dark().copyWith(
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textSelectionTheme: const TextSelectionThemeData(
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cursorColor: Colors.white,
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selectionColor: Colors.white24,
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selectionHandleColor: Colors.white,
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),
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),
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child: TextField(
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controller: _classSearchController,
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onChanged: (v) => setState(
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() => _classSearchQuery = v.trim().toLowerCase(),
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),
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style: const TextStyle(
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color: Colors.white,
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fontSize: 14,
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),
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cursorColor: Colors.white,
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decoration: InputDecoration(
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hintText: 'Pesquisar turma…',
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hintStyle: TextStyle(
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color: Colors.white.withValues(alpha: 0.5),
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fontSize: 14,
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),
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border: InputBorder.none,
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isDense: true,
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contentPadding: EdgeInsets.zero,
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),
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),
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),
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),
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if (_classSearchQuery.isNotEmpty)
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GestureDetector(
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onTap: () {
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_classSearchController.clear();
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setState(() => _classSearchQuery = '');
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},
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child: Icon(
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Icons.close,
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color: Colors.white.withValues(alpha: 0.7),
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size: 18,
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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: 20),
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],
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),
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),
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),
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if (filtered.isEmpty)
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SliverFillRemaining(
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hasScrollBody: false,
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child: Center(
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child: Text(
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'Nenhuma turma encontrada',
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style: TextStyle(
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color: Colors.white.withValues(alpha: 0.6),
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fontSize: 15,
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),
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),
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),
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)
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else
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SliverPadding(
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padding: const EdgeInsets.fromLTRB(24, 0, 24, 24),
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sliver: SliverList(
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delegate: SliverChildBuilderDelegate(
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(context, index) => ClassAnalyticsCard(
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classStats: filtered[index],
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onTap: () => _showClassStudents(filtered[index]),
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),
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childCount: filtered.length,
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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 _buildStudentsTab() {
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if (_selectedClassId == null) {
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return Center(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Icon(
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Icons.people_outline,
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size: 64,
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color: Colors.white.withValues(alpha: 0.5),
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),
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const SizedBox(height: 16),
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Text(
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'Seleciona uma turma',
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style: TextStyle(
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color: Colors.white.withValues(alpha: 0.7),
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fontSize: 18,
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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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'Clica numa turma no separador "Turmas" para ver os alunos',
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style: TextStyle(
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color: Colors.white.withValues(alpha: 0.5),
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fontSize: 14,
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),
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textAlign: TextAlign.center,
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),
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],
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),
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);
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}
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return ClassStudentsInlineWidget(
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classId: _selectedClassId!,
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className: _selectedClassName ?? '',
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);
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}
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Widget _buildOverviewCard(
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String title,
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String value,
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IconData icon,
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Color color,
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) {
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return Container(
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padding: const EdgeInsets.all(20),
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decoration: BoxDecoration(
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color: Colors.white.withValues(alpha: 0.1),
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borderRadius: BorderRadius.circular(16),
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border: Border.all(color: Colors.white.withValues(alpha: 0.2)),
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),
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child: Column(
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children: [
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Icon(icon, color: color, size: 32),
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const SizedBox(height: 12),
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Text(
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value,
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style: const TextStyle(
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color: Colors.white,
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fontSize: 24,
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fontWeight: FontWeight.bold,
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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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title,
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style: TextStyle(
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color: Colors.white.withValues(alpha: 0.8),
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fontSize: 14,
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),
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textAlign: TextAlign.center,
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),
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],
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),
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).animate().scale(duration: 600.ms, curve: Curves.elasticOut);
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}
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void _showClassStudents(ClassStats stats) {
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setState(() {
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_selectedClassId = stats.classId;
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_selectedClassName = stats.className;
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});
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_tabController.animateTo(1);
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}
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void _showCreateAchievementDialog() {
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showDialog(
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context: context,
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builder: (context) => CreateAchievementDialog(
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onAchievementCreated: (achievement) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: Text(
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'Conquista "${achievement.name}" criada com sucesso!',
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),
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backgroundColor: Colors.green,
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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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