136 lines
4.1 KiB
Dart
136 lines
4.1 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:flutter_smart_dialog/flutter_smart_dialog.dart';
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import 'package:scrollable_positioned_list/scrollable_positioned_list.dart';
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import '../models/common/video_episode_type.dart';
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class EpisodeBottomSheet {
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final List<dynamic> episodes;
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final int currentCid;
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final dynamic dataType;
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final BuildContext context;
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final Function changeFucCall;
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final int? cid;
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final double? sheetHeight;
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EpisodeBottomSheet({
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required this.episodes,
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required this.currentCid,
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required this.dataType,
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required this.context,
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required this.changeFucCall,
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this.cid,
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this.sheetHeight,
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});
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Widget buildEpisodeListItem(
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dynamic episode,
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int index,
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bool isCurrentIndex,
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) {
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Color primary = Theme.of(context).colorScheme.primary;
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Color onSurface = Theme.of(context).colorScheme.onSurface;
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String title = '';
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switch (dataType) {
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case VideoEpidoesType.videoEpisode:
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title = episode.title;
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break;
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case VideoEpidoesType.videoPart:
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title = episode.pagePart;
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break;
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case VideoEpidoesType.bangumiEpisode:
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title = '第${episode.title}话 ${episode.longTitle!}';
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break;
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}
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return ListTile(
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onTap: () {
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SmartDialog.showToast('切换至「$title」');
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changeFucCall.call(episode, index);
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},
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dense: false,
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leading: isCurrentIndex
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? Image.asset(
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'assets/images/live.gif',
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color: primary,
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height: 12,
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)
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: null,
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title: Text(
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title,
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style: TextStyle(
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fontSize: 14,
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color: isCurrentIndex ? primary : onSurface,
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),
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),
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);
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}
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Widget buildTitle() {
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return AppBar(
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toolbarHeight: 45,
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automaticallyImplyLeading: false,
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centerTitle: false,
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title: Text(
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'合集（${episodes.length}）',
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style: Theme.of(context).textTheme.titleMedium,
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),
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actions: [
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IconButton(
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icon: const Icon(Icons.close, size: 20),
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onPressed: () => Navigator.pop(context),
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),
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const SizedBox(width: 14),
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],
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);
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}
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/// The [BuildContext] of the widget that calls the bottom sheet.
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PersistentBottomSheetController show(BuildContext context) {
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final ItemScrollController itemScrollController = ItemScrollController();
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int currentIndex = episodes.indexWhere((dynamic e) => e.cid == currentCid);
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final PersistentBottomSheetController btmSheetCtr = showBottomSheet(
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context: context,
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builder: (BuildContext context) {
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return StatefulBuilder(
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builder: (BuildContext context, StateSetter setState) {
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WidgetsBinding.instance.addPostFrameCallback((_) {
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itemScrollController.jumpTo(index: currentIndex);
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});
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return Container(
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height: sheetHeight,
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color: Theme.of(context).colorScheme.background,
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child: Column(
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children: [
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buildTitle(),
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Expanded(
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child: Material(
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child: ScrollablePositionedList.builder(
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itemScrollController: itemScrollController,
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itemCount: episodes.length + 1,
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itemBuilder: (BuildContext context, int index) {
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bool isLastItem = index == episodes.length;
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bool isCurrentIndex = currentIndex == index;
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return isLastItem
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? SizedBox(
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height:
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MediaQuery.of(context).padding.bottom + 20,
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)
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: buildEpisodeListItem(
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episodes[index],
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index,
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isCurrentIndex,
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);
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},
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),
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),
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),
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],
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),
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);
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});
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},
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);
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return btmSheetCtr;
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}
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}
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