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pilipala/lib/pages/dynamics/detail/view.dart
2024-10-03 13:03:11 +08:00

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import 'dart:async';
import 'package:easy_debounce/easy_throttle.dart';
import 'package:flutter/material.dart';
import 'package:flutter/rendering.dart';
import 'package:get/get.dart';
import 'package:pilipala/common/skeleton/video_reply.dart';
import 'package:pilipala/common/widgets/http_error.dart';
import 'package:pilipala/models/common/reply_type.dart';
import 'package:pilipala/models/dynamics/result.dart';
import 'package:pilipala/pages/dynamics/detail/index.dart';
import 'package:pilipala/pages/dynamics/widgets/author_panel.dart';
import 'package:pilipala/pages/video/detail/reply/widgets/reply_item.dart';
import 'package:pilipala/pages/video/detail/reply_new/index.dart';
import 'package:pilipala/pages/video/detail/reply_reply/index.dart';
import 'package:pilipala/utils/feed_back.dart';
import 'package:pilipala/utils/id_utils.dart';
import '../../../models/video/reply/item.dart';
import '../widgets/dynamic_panel.dart';
class DynamicDetailPage extends StatefulWidget {
// const DynamicDetailPage({super.key});
const DynamicDetailPage({Key? key}) : super(key: key);
@override
State<DynamicDetailPage> createState() => _DynamicDetailPageState();
}
class _DynamicDetailPageState extends State<DynamicDetailPage>
with TickerProviderStateMixin {
late DynamicDetailController _dynamicDetailController;
late AnimationController fabAnimationCtr;
Future? _futureBuilderFuture;
late StreamController<bool> titleStreamC; // appBar title
late ScrollController scrollController;
bool _visibleTitle = false;
String? action;
// 回复类型
late int replyType;
bool _isFabVisible = true;
int oid = 0;
int? opusId;
bool isOpusId = false;
@override
void initState() {
super.initState();
// floor 1原创 2转发
init();
titleStreamC = StreamController<bool>();
if (action == 'comment') {
_visibleTitle = true;
titleStreamC.add(true);
}
fabAnimationCtr = AnimationController(
vsync: this,
duration: const Duration(milliseconds: 300),
);
fabAnimationCtr.forward();
// 滚动事件监听
scrollListener();
}
// 页面初始化
void init() async {
Map args = Get.arguments;
// 楼层
int floor = args['floor'];
// 从action栏点击进入
action = args.containsKey('action') ? args['action'] : null;
// 评论类型
int commentType = args['item'].basic!['comment_type'] ?? 11;
replyType = (commentType == 0) ? 11 : commentType;
if (floor == 1) {
oid = int.parse(args['item'].basic!['comment_id_str']);
} else {
try {
ModuleDynamicModel moduleDynamic = args['item'].modules.moduleDynamic;
String majorType = moduleDynamic.major!.type!;
if (majorType == 'MAJOR_TYPE_OPUS') {
// 转发的动态
String jumpUrl = moduleDynamic.major!.opus!.jumpUrl!;
opusId = int.parse(jumpUrl.split('/').last);
if (opusId != null) {
isOpusId = true;
_dynamicDetailController = Get.put(
DynamicDetailController(oid, replyType),
tag: opusId.toString());
await _dynamicDetailController.reqHtmlByOpusId(opusId!);
setState(() {});
}
} else {
oid = moduleDynamic.major!.draw!.id!;
}
} catch (_) {}
}
if (!isOpusId) {
_dynamicDetailController =
Get.put(DynamicDetailController(oid, replyType), tag: oid.toString());
}
_futureBuilderFuture = _dynamicDetailController.queryReplyList();
}
// 查看二级评论
void replyReply(replyItem, currentReply) {
int oid = replyItem.oid;
int rpid = replyItem.rpid!;
Get.to(
() => Scaffold(
appBar: AppBar(
titleSpacing: 0,
centerTitle: false,
title: Text(
'评论详情',
style: Theme.of(context).textTheme.titleMedium,
),
),
body: VideoReplyReplyPanel(
oid: oid,
rpid: rpid,
source: 'dynamic',
replyType: ReplyType.values[replyType],
firstFloor: replyItem,
),
),
);
}
// 滑动事件监听
void scrollListener() {
scrollController = _dynamicDetailController.scrollController;
scrollController.addListener(
() {
// 分页加载
if (scrollController.position.pixels >=
scrollController.position.maxScrollExtent - 300) {
EasyThrottle.throttle('replylist', const Duration(seconds: 2), () {
_dynamicDetailController.queryReplyList(reqType: 'onLoad');
});
}
// 标题
if (scrollController.offset > 55 && !_visibleTitle) {
_visibleTitle = true;
titleStreamC.add(true);
} else if (scrollController.offset <= 55 && _visibleTitle) {
_visibleTitle = false;
titleStreamC.add(false);
}
// fab按钮
final ScrollDirection direction =
scrollController.position.userScrollDirection;
if (direction == ScrollDirection.forward) {
_showFab();
} else if (direction == ScrollDirection.reverse) {
_hideFab();
}
},
);
}
void _showFab() {
if (!_isFabVisible) {
_isFabVisible = true;
fabAnimationCtr.forward();
}
}
void _hideFab() {
if (_isFabVisible) {
_isFabVisible = false;
fabAnimationCtr.reverse();
}
}
@override
void dispose() {
scrollController.removeListener(() {});
fabAnimationCtr.dispose();
scrollController.dispose();
titleStreamC.close();
super.dispose();
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
elevation: 0,
scrolledUnderElevation: 1,
centerTitle: false,
titleSpacing: 0,
title: StreamBuilder(
stream: titleStreamC.stream.distinct(),
initialData: false,
builder: (context, AsyncSnapshot snapshot) {
return AnimatedOpacity(
opacity: snapshot.data ? 1 : 0,
duration: const Duration(milliseconds: 300),
child: AuthorPanel(item: _dynamicDetailController.item),
);
},
),
// actions: _detailModel != null ? appBarAction() : [],
),
body: RefreshIndicator(
onRefresh: () async {
await _dynamicDetailController.queryReplyList();
},
child: CustomScrollView(
controller: scrollController,
slivers: [
if (action != 'comment')
SliverToBoxAdapter(
child: DynamicPanel(
item: _dynamicDetailController.item,
source: 'detail',
),
),
SliverPersistentHeader(
delegate: _MySliverPersistentHeaderDelegate(
child: Container(
decoration: BoxDecoration(
color: Theme.of(context).colorScheme.surface,
border: Border(
top: BorderSide(
width: 0.6,
color: Theme.of(context).dividerColor.withOpacity(0.05),
),
),
),
height: 45,
padding: const EdgeInsets.only(left: 12, right: 6),
child: Row(
children: [
Obx(
() => AnimatedSwitcher(
duration: const Duration(milliseconds: 400),
transitionBuilder:
(Widget child, Animation<double> animation) {
return ScaleTransition(
scale: animation, child: child);
},
child: Text(
'${_dynamicDetailController.acount.value}',
key: ValueKey<int>(
_dynamicDetailController.acount.value),
),
),
),
const Text('条回复'),
const Spacer(),
SizedBox(
height: 35,
child: TextButton.icon(
onPressed: () =>
_dynamicDetailController.queryBySort(),
icon: const Icon(Icons.sort, size: 16),
label: Obx(() => Text(
_dynamicDetailController.sortTypeLabel.value,
style: const TextStyle(fontSize: 13),
)),
),
)
],
),
),
),
pinned: true,
),
FutureBuilder(
future: _futureBuilderFuture,
builder: (context, snapshot) {
if (snapshot.connectionState == ConnectionState.done) {
Map data = snapshot.data as Map;
if (snapshot.data['status']) {
RxList<ReplyItemModel> replyList =
_dynamicDetailController.replyList;
// 请求成功
return Obx(
() => replyList.isEmpty &&
_dynamicDetailController.isLoadingMore
? SliverList(
delegate:
SliverChildBuilderDelegate((context, index) {
return const VideoReplySkeleton();
}, childCount: 8),
)
: SliverList(
delegate: SliverChildBuilderDelegate(
(context, index) {
if (index == replyList.length) {
return Container(
padding: EdgeInsets.only(
bottom: MediaQuery.of(context)
.padding
.bottom),
height: MediaQuery.of(context)
.padding
.bottom +
100,
child: Center(
child: Obx(
() => Text(
_dynamicDetailController
.noMore.value,
style: TextStyle(
fontSize: 12,
color: Theme.of(context)
.colorScheme
.outline,
),
),
),
),
);
} else {
return ReplyItem(
replyItem: replyList[index],
showReplyRow: true,
replyLevel: '1',
replyReply: (replyItem, currentReply) =>
replyReply(replyItem, currentReply),
replyType: ReplyType.values[replyType],
addReply: (replyItem) {
replyList[index]
.replies!
.add(replyItem);
},
);
}
},
childCount: replyList.length + 1,
),
),
);
} else {
// 请求错误
return HttpError(
errMsg: data['msg'],
fn: () => setState(() {}),
);
}
} else {
// 骨架屏
return SliverList(
delegate: SliverChildBuilderDelegate((context, index) {
return const VideoReplySkeleton();
}, childCount: 8),
);
}
},
)
],
),
),
floatingActionButton: SlideTransition(
position: Tween<Offset>(
begin: const Offset(0, 2),
end: const Offset(0, 0),
).animate(
CurvedAnimation(
parent: fabAnimationCtr,
curve: Curves.easeInOut,
),
),
child: Obx(
() => _dynamicDetailController.replyReqCode.value == 12061
? const SizedBox()
: FloatingActionButton(
heroTag: null,
onPressed: () {
feedBack();
showModalBottomSheet(
context: context,
isScrollControlled: true,
builder: (BuildContext context) {
return VideoReplyNewDialog(
oid: _dynamicDetailController.oid ??
IdUtils.bv2av(Get.parameters['bvid']!),
root: 0,
parent: 0,
replyType: ReplyType.values[replyType],
);
},
).then(
(value) => {
// 完成评论,数据添加
if (value != null && value['data'] != null)
{
_dynamicDetailController.replyList
.add(value['data']),
_dynamicDetailController.acount.value++
}
},
);
},
tooltip: '评论动态',
child: const Icon(Icons.reply),
),
),
),
);
}
}
class _MySliverPersistentHeaderDelegate extends SliverPersistentHeaderDelegate {
final double _minExtent = 45;
final double _maxExtent = 45;
final Widget child;
_MySliverPersistentHeaderDelegate({required this.child});
@override
Widget build(
BuildContext context, double shrinkOffset, bool overlapsContent) {
//创建child子组件
//shrinkOffsetchild偏移值minExtent~maxExtent
//overlapsContentSliverPersistentHeader覆盖其他子组件返回true否则返回false
return child;
}
//SliverPersistentHeader最大高度
@override
double get maxExtent => _maxExtent;
//SliverPersistentHeader最小高度
@override
double get minExtent => _minExtent;
@override
bool shouldRebuild(covariant _MySliverPersistentHeaderDelegate oldDelegate) {
return true;
}
}