MIF_E31222888/lib/pages/n4/materi/detail_materi.dart

418 lines
17 KiB
Dart

import 'package:bahasajepang/pages/n5/materi/materi_service.dart';
import 'package:bahasajepang/pages/n4/materi/isi_materi.dart';
import 'package:bahasajepang/theme.dart';
import 'package:flutter/material.dart';
class DetailMateriN4Page extends StatefulWidget {
final int materiId;
const DetailMateriN4Page({super.key, required this.materiId});
@override
State<DetailMateriN4Page> createState() => _DetailMateriN4PageState();
}
class _DetailMateriN4PageState extends State<DetailMateriN4Page>
with SingleTickerProviderStateMixin {
final MateriService _materiService = MateriService();
bool _isLoading = true;
dynamic _materiData;
bool _isExpanded = false;
late AnimationController _animationController;
late Animation<double> _animation;
@override
void initState() {
super.initState();
_animationController = AnimationController(
duration: const Duration(milliseconds: 300),
vsync: this,
);
_animation = CurvedAnimation(
parent: _animationController,
curve: Curves.easeInOut,
);
_loadMateriDetails();
}
Future<dynamic> _loadMateriDetails() async {
try {
final data = await _materiService.getMateriDetails(widget.materiId);
if (data == null) {
throw Exception('Data materi tidak ditemukan');
}
if (!mounted) return; // Cek apakah widget masih ada
setState(() {
_materiData = data;
_isLoading = false;
});
return data;
} catch (e) {
if (!mounted) return; // Tambahkan ini juga di catch block
setState(() {
_isLoading = false;
});
showDialog(
context: context,
builder: (context) => AlertDialog(
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(16),
),
title: const Text('Error',
style: TextStyle(fontWeight: FontWeight.bold)),
content: Text('Gagal memuat materi: ${e.toString()}'),
actions: [
TextButton(
onPressed: () => Navigator.pop(context),
style: TextButton.styleFrom(
foregroundColor: bgColor2,
),
child: const Text('OK'),
),
],
),
);
rethrow;
}
}
@override
void dispose() {
_animationController.dispose();
super.dispose();
}
void _toggleExpand() {
setState(() {
_isExpanded = !_isExpanded;
if (_isExpanded) {
_animationController.forward();
} else {
_animationController.reverse();
}
});
}
@override
Widget build(BuildContext context) {
return Scaffold(
backgroundColor: bgColor1.withValues(alpha: 0.95),
appBar: AppBar(
title: Text(
_isLoading ? 'Loading...' : _materiData['judul'] ?? 'Materi N4',
style: const TextStyle(
color: Colors.black,
fontSize: 18,
fontWeight: FontWeight.bold,
),
),
backgroundColor: bgColor3,
elevation: 4,
shadowColor: bgColor2.withValues(alpha: 0.5),
shape: const RoundedRectangleBorder(
borderRadius: BorderRadius.vertical(
bottom: Radius.circular(15),
),
),
iconTheme: const IconThemeData(color: Colors.black),
),
body: Builder(
builder: (context) {
if (_isLoading) {
return Center(
child: CircularProgressIndicator(
valueColor: AlwaysStoppedAnimation<Color>(bgColor2),
),
);
}
return RefreshIndicator(
color: bgColor2,
backgroundColor: bgColor1,
onRefresh: _loadMateriDetails,
child: SingleChildScrollView(
padding: const EdgeInsets.all(16.0),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Container(
width: double.infinity,
margin: const EdgeInsets.only(bottom: 16),
decoration: BoxDecoration(
color: bgColor2.withValues(alpha: 0.9),
borderRadius: BorderRadius.circular(16),
boxShadow: [
BoxShadow(
color: Colors.black.withValues(alpha: 0.1),
blurRadius: 8,
offset: const Offset(0, 4),
),
],
),
child: Column(
children: [
// Header clickable
InkWell(
onTap: _toggleExpand,
borderRadius: const BorderRadius.only(
topLeft: Radius.circular(16),
topRight: Radius.circular(16),
),
child: Padding(
padding: const EdgeInsets.all(20.0),
child: Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
Expanded(
child: Text(
'Daftar Sub Materi',
style: TextStyle(
fontSize: 16,
fontWeight: FontWeight.bold,
color: Colors.white,
),
),
),
RotationTransition(
turns: _animation,
child: Icon(
Icons.expand_more,
color: Colors.white,
size: 28,
),
),
],
),
),
),
// Sub materi list
SizeTransition(
sizeFactor: _animation,
child: Column(
children: _materiData['details'] != null
? _materiData['details']
.asMap()
.entries
.map<Widget>((entry) {
final index = entry.key;
final detail = entry.value;
return Padding(
padding: const EdgeInsets.symmetric(
horizontal: 16.0, vertical: 4.0),
child: Material(
color: Colors.transparent,
child: InkWell(
borderRadius:
BorderRadius.circular(12),
onTap: () {
Navigator.push(
context,
MaterialPageRoute(
builder: (context) =>
IsiMateriN4Page(
items: _materiData['details'],
initialIndex: index,
),
),
);
},
child: Container(
padding: const EdgeInsets.symmetric(
horizontal: 16, vertical: 12),
decoration: BoxDecoration(
color: bgColor1.withValues(
alpha: 0.8),
borderRadius:
BorderRadius.circular(12),
),
child: Row(
children: [
Container(
width: 28,
height: 28,
alignment: Alignment.center,
decoration: BoxDecoration(
color: bgColor2.withValues(
alpha: 0.2),
shape: BoxShape.circle,
border: Border.all(
color:
bgColor2.withValues(
alpha: 0.5),
width: 1.5,
),
),
child: Text(
'${index + 1}',
style: TextStyle(
fontSize: 12,
fontWeight:
FontWeight.bold,
color: Colors.white,
),
),
),
const SizedBox(width: 16),
Expanded(
child: Text(
detail['judul'] ??
'Sub Materi',
style: TextStyle(
fontSize: 14,
color: Colors.white,
fontWeight:
FontWeight.w500,
),
),
),
Icon(
Icons
.arrow_forward_ios_rounded,
size: 16,
color: Colors.white
.withValues(alpha: 0.7),
),
],
),
),
),
),
);
}).toList()
: [],
),
),
],
),
),
// Informasi tambahan tentang level N4
Container(
width: double.infinity,
padding: const EdgeInsets.all(20),
margin: const EdgeInsets.only(bottom: 16),
decoration: BoxDecoration(
color: bgColor2.withValues(alpha: 0.9),
borderRadius: BorderRadius.circular(16),
boxShadow: [
BoxShadow(
color: Colors.black.withValues(alpha: 0.1),
blurRadius: 8,
offset: const Offset(0, 4),
),
],
),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Row(
children: [
Icon(
Icons.info_outline_rounded,
color: Colors.white.withValues(alpha: 0.9),
size: 24,
),
const SizedBox(width: 8),
Text(
'Tentang JLPT N4',
style: TextStyle(
fontSize: 16,
fontWeight: FontWeight.bold,
color: Colors.white,
),
),
],
),
const SizedBox(height: 12),
Text(
'JLPT N4 adalah tingkat kedua dari bawah dalam ujian kemampuan bahasa Jepang. Level ini menunjukkan bahwa seseorang sudah memahami bahasa Jepang dasar yang digunakan dalam kehidupan sehari-hari dan dapat memahami percakapan sederhana dengan konteks umum. Dapat dikatakan level N4 ketika sudah menguasai 1500 kosakata dan 300 kanji',
style: TextStyle(
fontSize: 14,
color: Colors.white.withValues(alpha: 0.9),
height: 1.5,
),
),
],
),
),
// Tombol navigasi cepat
if (_materiData['details'] != null &&
_materiData['details'].isNotEmpty)
Container(
width: double.infinity,
padding: const EdgeInsets.all(16),
decoration: BoxDecoration(
color: bgColor2.withValues(alpha: 0.9),
borderRadius: BorderRadius.circular(16),
boxShadow: [
BoxShadow(
color: Colors.black.withValues(alpha: 0.1),
blurRadius: 8,
offset: const Offset(0, 4),
),
],
),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
'Mulai Belajar',
style: TextStyle(
fontSize: 16,
fontWeight: FontWeight.bold,
color: Colors.white,
),
),
const SizedBox(height: 12),
SizedBox(
height: 48,
width: double.infinity,
child: ElevatedButton(
onPressed: () {
Navigator.push(
context,
MaterialPageRoute(
builder: (context) => IsiMateriN4Page(
items: _materiData['details'],
initialIndex: 0,
),
),
);
},
style: ElevatedButton.styleFrom(
backgroundColor: Colors.white,
foregroundColor: bgColor2,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(12),
),
elevation: 2,
),
child: const Text(
'Mulai dari Sub Materi Pertama',
style: TextStyle(
fontWeight: FontWeight.bold,
),
),
),
),
],
),
),
],
),
),
);
},
),
);
}
}