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

337 lines
12 KiB
Dart

import 'package:flutter/material.dart';
import 'package:bahasajepang/theme.dart';
class IsiMateriN4Page extends StatefulWidget {
final List<dynamic> items;
final int initialIndex;
final String level;
const IsiMateriN4Page({
super.key,
required this.items,
required this.initialIndex,
this.level = 'N4',
});
@override
State<IsiMateriN4Page> createState() => _IsiMateriN4PageState();
}
class _IsiMateriN4PageState extends State<IsiMateriN4Page> {
late int currentIndex;
late PageController _pageController;
@override
void initState() {
super.initState();
currentIndex = widget.initialIndex;
_pageController = PageController(initialPage: widget.initialIndex);
}
@override
void dispose() {
_pageController.dispose();
super.dispose();
}
void _goToPrevious() {
if (currentIndex > 0) {
_pageController.previousPage(
duration: const Duration(milliseconds: 300),
curve: Curves.easeInOut,
);
}
}
void _goToNext() {
if (currentIndex < widget.items.length - 1) {
_pageController.nextPage(
duration: const Duration(milliseconds: 300),
curve: Curves.easeInOut,
);
} else {
Navigator.pop(context);
}
}
@override
Widget build(BuildContext context) {
return Scaffold(
backgroundColor: bgColor1.withOpacity(0.95),
appBar: AppBar(
title: Text(
'Materi JLPT ${widget.level}',
style: const TextStyle(
color: Colors.black,
fontSize: 18,
fontWeight: FontWeight.bold,
),
),
backgroundColor: bgColor3,
elevation: 4,
shadowColor: bgColor2.withOpacity(0.5),
shape: const RoundedRectangleBorder(
borderRadius: BorderRadius.vertical(
bottom: Radius.circular(15),
),
),
iconTheme: const IconThemeData(color: Colors.black),
),
body: Column(
children: [
// Progress indicator with percentage
Container(
padding: const EdgeInsets.symmetric(horizontal: 20, vertical: 8),
color: bgColor1.withOpacity(0.2),
child: Column(
children: [
Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
Text(
'Progress: ${((currentIndex + 1) / widget.items.length * 100).toStringAsFixed(0)}%',
style: TextStyle(
color: Colors.blue.shade400,
fontWeight: FontWeight.w500,
),
),
Text(
'${currentIndex + 1}/${widget.items.length}',
style: TextStyle(
color: Colors.blue.shade400,
fontWeight: FontWeight.w500,
),
),
],
),
const SizedBox(height: 6),
LinearProgressIndicator(
value: (currentIndex + 1) / widget.items.length,
backgroundColor: Colors.grey.shade300,
valueColor: AlwaysStoppedAnimation<Color>(bgColor2),
minHeight: 6,
borderRadius: BorderRadius.circular(10),
),
],
),
),
// Page content
Expanded(
child: PageView.builder(
controller: _pageController,
itemCount: widget.items.length,
onPageChanged: (index) {
setState(() {
currentIndex = index;
});
},
itemBuilder: (context, index) {
final item = widget.items[index];
return SingleChildScrollView(
padding: const EdgeInsets.all(20.0),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
// Judul materi
Container(
padding: const EdgeInsets.all(16),
decoration: BoxDecoration(
color: bgColor2.withOpacity(0.9),
borderRadius: BorderRadius.circular(16),
boxShadow: [
BoxShadow(
color: Colors.black.withOpacity(0.1),
blurRadius: 8,
offset: const Offset(0, 4),
),
],
),
child: Text(
item['judul'] ?? 'Judul Materi',
style: const TextStyle(
fontSize: 22,
fontWeight: FontWeight.bold,
color: Colors.white,
),
),
),
const SizedBox(height: 20),
// Konten materi
Container(
padding: const EdgeInsets.all(20),
decoration: BoxDecoration(
color: Colors.white,
borderRadius: BorderRadius.circular(16),
boxShadow: [
BoxShadow(
color: Colors.black.withOpacity(0.05),
blurRadius: 8,
offset: const Offset(0, 4),
),
],
),
child: Text(
item['isi'] ?? 'Tidak ada konten',
style: TextStyle(
fontSize: 16,
height: 1.6,
color: Colors.grey[800],
),
),
),
// Contoh penggunaan untuk materi bahasa Jepang
if (item['contoh'] != null) ...[
const SizedBox(height: 20),
Container(
padding: const EdgeInsets.all(16),
decoration: BoxDecoration(
color: bgColor2.withOpacity(0.1),
borderRadius: BorderRadius.circular(16),
border: Border.all(
color: bgColor2.withOpacity(0.3),
width: 1.5,
),
),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Row(
children: [
Icon(
Icons.lightbulb_outline,
color: bgColor2,
size: 24,
),
const SizedBox(width: 8),
Text(
'Contoh Penggunaan',
style: TextStyle(
fontSize: 18,
fontWeight: FontWeight.bold,
color: bgColor2,
),
),
],
),
const SizedBox(height: 12),
Container(
padding: const EdgeInsets.all(16),
decoration: BoxDecoration(
color: bgColor2.withOpacity(0.05),
borderRadius: BorderRadius.circular(12),
border: Border.all(
color: bgColor2.withOpacity(0.2),
),
),
child: Text(
item['contoh'],
style: TextStyle(
fontSize: 16,
color: Colors.grey[800],
fontStyle: FontStyle.italic,
),
),
),
],
),
),
],
],
),
);
},
),
),
// Navigation buttons
Container(
padding: const EdgeInsets.symmetric(horizontal: 20, vertical: 16),
decoration: BoxDecoration(
color: bgColor3,
boxShadow: [
BoxShadow(
color: Colors.black.withOpacity(0.1),
blurRadius: 10,
offset: const Offset(0, -2),
),
],
borderRadius: const BorderRadius.only(
topLeft: Radius.circular(20),
topRight: Radius.circular(20),
),
),
child: Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
// Previous button
ElevatedButton(
onPressed: currentIndex > 0 ? _goToPrevious : null,
style: ElevatedButton.styleFrom(
backgroundColor:
currentIndex > 0 ? bgColor1 : Colors.grey.shade400,
foregroundColor: Colors.white,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(12),
),
padding: const EdgeInsets.symmetric(
horizontal: 20, vertical: 14),
elevation: 2,
),
child: Row(
mainAxisSize: MainAxisSize.min,
children: [
Icon(
Icons.arrow_back,
size: 18,
color: bgColor2,
),
SizedBox(width: 8),
Text('Sebelumnya'),
],
),
),
// Next button
ElevatedButton(
onPressed: () => _goToNext(),
style: ElevatedButton.styleFrom(
backgroundColor: bgColor1,
foregroundColor: Colors.white,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(12),
),
padding: const EdgeInsets.symmetric(
horizontal: 24, vertical: 14),
elevation: 2,
),
child: Row(
mainAxisSize: MainAxisSize.min,
children: [
Text(
currentIndex < widget.items.length - 1
? 'Selanjutnya'
: 'Selesai',
),
if (currentIndex < widget.items.length - 1)
const SizedBox(width: 8),
if (currentIndex < widget.items.length - 1)
Icon(
Icons.arrow_forward,
size: 18,
color: bgColor2,
),
],
),
),
],
),
),
],
),
);
}
}