didvan-app/lib/widgets/didvan/page_view.dart

103 lines
3.6 KiB
Dart

import 'package:carousel_slider/carousel_slider.dart';
import 'package:didvan/widgets/didvan/card.dart';
import 'package:didvan/widgets/didvan/text.dart';
import 'package:didvan/widgets/skeleton_image.dart';
import 'package:flutter/material.dart';
class DidvanPageView extends StatefulWidget {
final List items;
final int initialIndex;
final ScrollController? scrollController;
final void Function(int index) onPageChanged;
const DidvanPageView({
Key? key,
required this.initialIndex,
required this.items,
this.scrollController,
required this.onPageChanged,
}) : super(key: key);
@override
State<DidvanPageView> createState() => _DidvanPageViewState();
}
class _DidvanPageViewState extends State<DidvanPageView> {
@override
Widget build(BuildContext context) {
final double deviceTopPadding = MediaQuery.of(context).padding.top;
return Directionality(
textDirection: TextDirection.ltr,
child: CarouselSlider.builder(
itemCount: widget.items.length,
options: CarouselOptions(
onPageChanged: (index, reason) => widget.onPageChanged(index),
height: double.infinity,
initialPage: widget.initialIndex,
viewportFraction: 0.94,
enableInfiniteScroll: false,
),
itemBuilder: (context, index, realIndex) => SizedBox(
height: MediaQuery.of(context).size.height,
child: SingleChildScrollView(
controller: index == 1 ? widget.scrollController : null,
physics: const BouncingScrollPhysics(),
padding: EdgeInsets.only(
left: 4,
right: 4,
top: 16 + deviceTopPadding,
bottom: 92,
),
child: DidvanCard(
padding: EdgeInsets.zero,
enableBorder: false,
child: Builder(
builder: (context) {
final item = widget.items[index];
if (item == null) {
return const SizedBox();
}
return Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
SkeletonImage(
imageUrl: item.image,
aspectRatio: 16 / 9,
),
const SizedBox(height: 20),
for (var i = 0; i < item.contents.length; i++)
Padding(
padding: const EdgeInsets.symmetric(
horizontal: 16,
vertical: 4,
),
child: Builder(
builder: (context) {
final content = item.contents[i];
if (content.text != null) {
return DidvanText(
item.contents[i].text!,
);
}
if (content.image != null) {
return SkeletonImage(
imageUrl: content.image!,
aspectRatio: 16 / 9,
);
}
return const SizedBox();
},
),
),
const SizedBox(height: 20),
],
);
},
),
),
),
),
),
);
}
}