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update: positionedList plugin

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This commit is contained in:
guozhigq
2024-10-29 22:48:02 +08:00
parent 0a91870c97
commit f9f17bcf09
4 changed files with 48 additions and 33 deletions
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69
lib/common/pages_bottom_sheet.dart
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@ -5,7 +5,7 @@ import 'package:pilipala/common/constants.dart';
import 'package:pilipala/common/widgets/network_img_layer.dart';
import 'package:pilipala/models/video_detail_res.dart';
import 'package:pilipala/utils/utils.dart';
import 'package:scrollable_positioned_list/scrollable_positioned_list.dart';
import 'package:scrollview_observer/scrollview_observer.dart';
import '../models/common/video_episode_type.dart';
import 'widgets/badge.dart';
import 'widgets/stat/danmu.dart';
@ -83,7 +83,8 @@ class PagesBottomSheet extends StatefulWidget {
}
class _PagesBottomSheetState extends State<PagesBottomSheet> {
final ItemScrollController _itemScrollController = ItemScrollController();
final ScrollController _listScrollController = ScrollController();
late ListObserverController _listObserverController;
final ScrollController _scrollController = ScrollController();
late int currentIndex;
@ -92,10 +93,17 @@ class _PagesBottomSheetState extends State<PagesBottomSheet> {
super.initState();
currentIndex =
widget.episodes.indexWhere((dynamic e) => e.cid == widget.currentCid);
_listObserverController =
ListObserverController(controller: _listScrollController);
if (widget.dataType == VideoEpidoesType.videoEpisode) {
_listObserverController.initialIndexModel = ObserverIndexPositionModel(
index: currentIndex,
isFixedHeight: true,
);
}
WidgetsBinding.instance.addPostFrameCallback((_) {
if (widget.dataType == VideoEpidoesType.videoEpisode) {
_itemScrollController.jumpTo(index: currentIndex);
} else {
if (widget.dataType != VideoEpidoesType.videoEpisode) {
double itemHeight = (widget.isFullScreen
? 400
: Get.size.width - 3 * StyleString.safeSpace) /
@ -118,6 +126,12 @@ class _PagesBottomSheetState extends State<PagesBottomSheet> {
return '选集';
}
@override
void dispose() {
_listObserverController.controller?.dispose();
super.dispose();
}
@override
Widget build(BuildContext context) {
return StatefulBuilder(
@ -136,27 +150,30 @@ class _PagesBottomSheetState extends State<PagesBottomSheet> {
Expanded(
child: Material(
child: widget.dataType == VideoEpidoesType.videoEpisode
? ScrollablePositionedList.builder(
itemScrollController: _itemScrollController,
itemCount: widget.episodes.length + 1,
itemBuilder: (BuildContext context, int index) {
bool isLastItem = index == widget.episodes.length;
bool isCurrentIndex = currentIndex == index;
return isLastItem
? SizedBox(
height:
MediaQuery.of(context).padding.bottom +
20,
)
: EpisodeListItem(
episode: widget.episodes[index],
index: index,
isCurrentIndex: isCurrentIndex,
dataType: widget.dataType,
changeFucCall: widget.changeFucCall,
isFullScreen: widget.isFullScreen,
);
},
? ListViewObserver(
controller: _listObserverController,
child: ListView.builder(
controller: _listScrollController,
itemCount: widget.episodes.length + 1,
itemBuilder: (BuildContext context, int index) {
bool isLastItem = index == widget.episodes.length;
bool isCurrentIndex = currentIndex == index;
return isLastItem
? SizedBox(
height:
MediaQuery.of(context).padding.bottom +
20,
)
: EpisodeListItem(
episode: widget.episodes[index],
index: index,
isCurrentIndex: isCurrentIndex,
dataType: widget.dataType,
changeFucCall: widget.changeFucCall,
isFullScreen: widget.isFullScreen,
);
},
),
)
: Padding(
padding: const EdgeInsets.symmetric(