403 lines
12 KiB
Dart
403 lines
12 KiB
Dart
import 'package:bahasajepang/pages/n4/materi/detail_materi.dart';
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import 'package:bahasajepang/pages/n5/materi/materi_service.dart';
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import 'package:bahasajepang/pages/n4/materi/ujian.dart';
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import 'package:bahasajepang/service/ujian_service.dart';
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import 'package:bahasajepang/theme.dart';
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import 'package:flutter/material.dart';
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class MateriN4Page extends StatefulWidget {
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const MateriN4Page({super.key});
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@override
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State<MateriN4Page> createState() => _MateriN4PageState();
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}
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class _MateriN4PageState extends State<MateriN4Page> {
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final MateriService _materiService = MateriService();
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late Future<List<dynamic>> _materiFuture;
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bool _isLoading = true;
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List<dynamic> _materiList = [];
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String _errorMessage = '';
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@override
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void initState() {
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super.initState();
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_loadInitialData();
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}
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void _loadInitialData() {
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_materiFuture = _loadMateriData();
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_materiFuture.catchError((error) {});
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}
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Future<List<dynamic>> _loadMateriData() async {
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try {
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setState(() {
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_isLoading = true;
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_errorMessage = '';
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});
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final data = await _materiService.getMateriByLevel('N4');
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setState(() {
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_materiList = data;
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_isLoading = false;
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});
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return data;
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} catch (e) {
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final errorMessage = e.toString().replaceAll('Exception: ', '');
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setState(() {
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_isLoading = false;
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_errorMessage = errorMessage;
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});
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if (mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: Text(errorMessage),
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backgroundColor: Colors.red[400],
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behavior: SnackBarBehavior.floating,
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(10),
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),
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),
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);
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}
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throw e;
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}
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}
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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backgroundColor: bgColor1.withValues(alpha:0.95),
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appBar: AppBar(
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title: const Text(
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'Materi N4',
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style: TextStyle(
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fontWeight: FontWeight.bold,
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fontSize: 20,
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),
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),
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backgroundColor: bgColor3,
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elevation: 4,
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shadowColor: bgColor2.withValues(alpha:0.5),
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shape: const RoundedRectangleBorder(
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borderRadius: BorderRadius.vertical(
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bottom: Radius.circular(15),
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),
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),
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centerTitle: true,
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iconTheme: IconThemeData(color: Colors.white.withValues(alpha:0.9)),
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),
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body: _buildBody(),
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);
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}
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Widget _buildBody() {
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if (_isLoading) {
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return Center(
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child: CircularProgressIndicator(
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valueColor: AlwaysStoppedAnimation<Color>(bgColor2),
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strokeWidth: 3,
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),
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);
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}
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if (_errorMessage.isNotEmpty) {
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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.error_outline,
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color: Colors.red[400],
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size: 50,
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),
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const SizedBox(height: 16),
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Padding(
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padding: const EdgeInsets.symmetric(horizontal: 24),
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child: Text(
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_errorMessage,
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style: TextStyle(
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color: Colors.red[400],
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fontSize: 16,
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),
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textAlign: TextAlign.center,
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),
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),
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const SizedBox(height: 24),
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ElevatedButton(
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onPressed: _loadMateriData,
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style: ElevatedButton.styleFrom(
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backgroundColor: bgColor2,
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padding:
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const EdgeInsets.symmetric(horizontal: 24, vertical: 12),
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(12),
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),
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elevation: 2,
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),
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child: const Text(
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'Coba Lagi',
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style: TextStyle(
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color: Colors.white,
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fontWeight: FontWeight.w500,
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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 (_materiList.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.library_books_outlined,
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color: bgColor2.withValues(alpha:0.7),
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size: 60,
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),
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const SizedBox(height: 16),
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Text(
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'Tidak ada materi tersedia',
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style: TextStyle(
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fontSize: 16,
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color: Colors.grey[600],
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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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return RefreshIndicator(
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color: bgColor2,
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backgroundColor: bgColor1,
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onRefresh: _loadMateriData,
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child: Padding(
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padding: const EdgeInsets.all(16.0),
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child: Column(
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children: [
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Expanded(
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child: ListView.separated(
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itemCount: _materiList.length,
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separatorBuilder: (context, index) =>
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const SizedBox(height: 16),
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itemBuilder: (context, index) {
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final materi = _materiList[index];
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return _buildMateriCard(materi);
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},
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),
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),
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_buildLatihanSoalCard(),
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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 _buildMateriCard(Map<String, dynamic> materi) {
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return InkWell(
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borderRadius: BorderRadius.circular(12),
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onTap: () {
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Navigator.push(
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context,
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MaterialPageRoute(
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builder: (context) => DetailMateriN4Page(materiId: materi['id']),
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),
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);
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},
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child: Card(
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margin: const EdgeInsets.symmetric(horizontal: 4),
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elevation: 2,
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(12),
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),
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color: bgColor2.withValues(alpha:0.9),
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shadowColor: bgColor2.withValues(alpha:0.3),
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child: Padding(
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padding: const EdgeInsets.all(16),
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child: Row(
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children: [
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Icon(
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Icons.article_outlined,
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color: Colors.white.withValues(alpha:0.9),
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size: 28,
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),
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const SizedBox(width: 16),
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Expanded(
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child: Text(
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materi['judul'] ?? 'Judul tidak tersedia',
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style: TextStyle(
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color: Colors.white,
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fontWeight: FontWeight.w600,
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fontSize: 16,
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),
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),
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),
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Icon(
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Icons.chevron_right,
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color: Colors.white.withValues(alpha:0.7),
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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 _buildLatihanSoalCard() {
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final UjianService ujianService = UjianService();
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return FutureBuilder<List<dynamic>>(
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future: ujianService.getUjianByLevel(3), // Level pemula
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builder: (context, snapshot) {
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if (snapshot.connectionState == ConnectionState.waiting) {
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return Center(
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child: CircularProgressIndicator(
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valueColor: AlwaysStoppedAnimation<Color>(bgColor2),
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),
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);
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}
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if (snapshot.hasError) {
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return Padding(
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padding: const EdgeInsets.all(8.0),
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child: Column(
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children: [
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Icon(
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Icons.error_outline,
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color: Colors.red[400],
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size: 40,
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),
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const SizedBox(height: 8),
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Text(
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'Error: ${snapshot.error}',
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style: TextStyle(color: Colors.red[400]),
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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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final ujianList = snapshot.data ?? [];
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if (ujianList.isEmpty) {
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return Padding(
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padding: const EdgeInsets.all(8.0),
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child: Column(
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children: [
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Icon(
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Icons.quiz_outlined,
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color: bgColor2.withValues(alpha:0.7),
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size: 40,
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),
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const SizedBox(height: 8),
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Text(
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'Tidak ada ujian tersedia',
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style: TextStyle(
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color: Colors.grey[600],
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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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return Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Padding(
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padding: const EdgeInsets.only(left: 8, top: 16, bottom: 8),
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child: Text(
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'Latihan Soal',
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style: TextStyle(
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color: Colors.grey[700],
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fontWeight: FontWeight.bold,
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fontSize: 18,
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),
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),
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),
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...ujianList.map((ujian) {
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return InkWell(
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borderRadius: BorderRadius.circular(12),
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onTap: () {
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Navigator.push(
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context,
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MaterialPageRoute(
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builder: (context) => UjianN4Page(ujianId: ujian['id']),
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),
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);
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},
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child: Card(
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margin: const EdgeInsets.symmetric(vertical: 8),
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elevation: 2,
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(12),
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),
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color: bgColor2.withValues(alpha:0.9),
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child: Padding(
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padding: const EdgeInsets.all(16),
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child: Row(
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children: [
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Container(
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padding: const EdgeInsets.all(8),
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decoration: BoxDecoration(
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color: bgColor1.withValues(alpha:0.3),
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borderRadius: BorderRadius.circular(8),
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),
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child: Icon(
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Icons.quiz_outlined,
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color: Colors.white,
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),
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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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Text(
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ujian['judul'] ?? 'Latihan Soal',
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style: const TextStyle(
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fontWeight: FontWeight.bold,
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fontSize: 16,
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color: Colors.white,
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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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ujian['deskripsi'] ??
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'Jumlah soal: ${ujian['jumlah_soal']}',
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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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),
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],
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),
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),
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Icon(
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Icons.chevron_right,
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color: Colors.white.withValues(alpha:0.7),
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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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}).toList(),
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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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