Files
pilipala/lib/pages/video/detail/view.dart
2023-05-13 23:49:39 +08:00

138 lines
5.2 KiB
Dart

import 'package:extended_nested_scroll_view/extended_nested_scroll_view.dart';
import 'package:get/get.dart';
import 'package:flutter/material.dart';
import 'package:pilipala/common/widgets/network_img_layer.dart';
import 'package:pilipala/pages/video/detail/reply/index.dart';
import 'package:pilipala/pages/video/detail/controller.dart';
import 'package:pilipala/pages/video/detail/introduction/index.dart';
import 'package:pilipala/pages/video/detail/related/index.dart';
class VideoDetailPage extends StatefulWidget {
const VideoDetailPage({Key? key}) : super(key: key);
@override
State<VideoDetailPage> createState() => _VideoDetailPageState();
}
class _VideoDetailPageState extends State<VideoDetailPage> {
final VideoDetailController videoDetailController =
Get.put(VideoDetailController(), tag: Get.arguments['heroTag']);
@override
Widget build(BuildContext context) {
final double statusBarHeight = MediaQuery.of(context).padding.top;
final double pinnedHeaderHeight = statusBarHeight +
kToolbarHeight +
MediaQuery.of(context).size.width * 9 / 16;
return DefaultTabController(
initialIndex: videoDetailController.tabInitialIndex,
length: videoDetailController.tabs.length, // tab的数量.
child: SafeArea(
top: false,
bottom: false,
child: Scaffold(
body: ExtendedNestedScrollView(
headerSliverBuilder:
(BuildContext context, bool innerBoxIsScrolled) {
return <Widget>[
SliverAppBar(
title: const Text("视频详情"),
pinned: true,
elevation: 0,
scrolledUnderElevation: 0,
forceElevated: innerBoxIsScrolled,
expandedHeight: MediaQuery.of(context).size.width * 9 / 16,
collapsedHeight: MediaQuery.of(context).size.width * 9 / 16,
flexibleSpace: FlexibleSpaceBar(
background: Padding(
padding: EdgeInsets.only(
top: MediaQuery.of(context).padding.top),
child: LayoutBuilder(
builder: (context, boxConstraints) {
double maxWidth = boxConstraints.maxWidth;
double maxHeight = boxConstraints.maxHeight;
double PR = MediaQuery.of(context).devicePixelRatio;
return Hero(
tag: videoDetailController.heroTag,
child: NetworkImgLayer(
src: videoDetailController.videoItem['pic'],
width: maxWidth,
height: maxHeight,
),
);
},
),
),
),
),
];
},
pinnedHeaderSliverHeightBuilder: () {
return pinnedHeaderHeight;
},
onlyOneScrollInBody: true,
body: Column(
children: [
Container(
height: 45,
decoration: BoxDecoration(
border: Border(
bottom: BorderSide(
color: Theme.of(context).dividerColor.withOpacity(0.1),
),
),
),
child: Row(
mainAxisAlignment: MainAxisAlignment.center,
mainAxisSize: MainAxisSize.max,
children: [
Container(
width: 280,
margin: const EdgeInsets.only(left: 20),
child: Obx(
() => TabBar(
dividerColor: Colors.transparent,
tabs: videoDetailController.tabs
.map((String name) => Tab(text: name))
.toList(),
),
),
),
// 弹幕开关
// const Spacer(),
// Flexible(
// flex: 2,
// child: Container(
// height: 50,
// ),
// ),
],
),
),
Expanded(
child: TabBarView(
children: [
Builder(
builder: (context) {
return const CustomScrollView(
key: PageStorageKey<String>('简介'),
slivers: <Widget>[
VideoIntroPanel(),
RelatedVideoPanel(),
],
);
},
),
VideoReplyPanel()
],
),
),
],
),
),
),
),
);
}
}