pikapika/lib/screens/DownloadInfoScreen.dart

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import 'dart:convert';
import 'package:flutter/material.dart';
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import 'package:pikapika/basic/Entities.dart';
import 'package:pikapika/basic/Navigatior.dart';
import 'package:pikapika/basic/Method.dart';
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import 'ComicInfoScreen.dart';
import 'DownloadExportToFileScreen.dart';
import 'DownloadReaderScreen.dart';
import 'components/ComicDescriptionCard.dart';
import 'components/ComicTagsCard.dart';
import 'components/ContentError.dart';
import 'components/ContentLoading.dart';
import 'components/ContinueReadButton.dart';
import 'components/DownloadInfoCard.dart';
// 下载详情
class DownloadInfoScreen extends StatefulWidget {
final String comicId;
final String comicTitle;
DownloadInfoScreen({
required this.comicId,
required this.comicTitle,
});
@override
State<StatefulWidget> createState() => _DownloadInfoScreenState();
}
class _DownloadInfoScreenState extends State<DownloadInfoScreen>
with RouteAware {
late Future<ViewLog?> _viewFuture = _loadViewLog();
late DownloadComic _task;
late List<DownloadEp> _epList = [];
late Future _future = _load();
Future _load() async {
_task = (await method.loadDownloadComic(widget.comicId))!;
_epList = await method.downloadEpList(widget.comicId);
}
Future<ViewLog?> _loadViewLog() {
return method.loadView(widget.comicId);
}
@override
void didChangeDependencies() {
super.didChangeDependencies();
routeObserver.subscribe(this, ModalRoute.of(context)!);
}
@override
void didPopNext() {
setState(() {
_viewFuture = _loadViewLog();
});
}
@override
void dispose() {
routeObserver.unsubscribe(this);
super.dispose();
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text(widget.comicTitle),
actions: [
IconButton(
onPressed: () async {
Navigator.push(
context,
MaterialPageRoute(
builder: (context) => DownloadExportToFileScreen(
comicId: widget.comicId,
comicTitle: widget.comicTitle,
),
),
);
},
icon: Icon(Icons.add_to_home_screen),
),
IconButton(
onPressed: () {
Navigator.push(
context,
MaterialPageRoute(
builder: (context) => ComicInfoScreen(
comicId: widget.comicId,
),
),
);
},
icon: Icon(Icons.settings_ethernet_outlined),
),
],
),
body: FutureBuilder(
future: _future,
builder: (BuildContext context, AsyncSnapshot<dynamic> snapshot) {
if (snapshot.hasError) {
return ContentError(
error: snapshot.error,
stackTrace: snapshot.stackTrace,
onRefresh: () async {
setState(() {
_future = _load();
});
});
}
if (snapshot.connectionState != ConnectionState.done) {
return ContentLoading(label: '加载中');
}
List<dynamic> tagsDynamic = json.decode(_task.tags);
List<String> tags = tagsDynamic.map((e) => "$e").toList();
return ListView(
children: [
DownloadInfoCard(task: _task, linkItem: true),
ComicTagsCard(tags),
ComicDescriptionCard(description: _task.description),
Container(height: 5),
Wrap(
spacing: 10,
runSpacing: 10,
alignment: WrapAlignment.spaceAround,
children: [
ContinueReadButton(
viewFuture: _viewFuture,
onChoose: (int? epOrder, int? pictureRank) {
if (epOrder != null && pictureRank != null) {
for (var i in _epList) {
if (i.epOrder == epOrder) {
_push(_task, _epList, epOrder, pictureRank);
return;
}
}
} else {
_push(_task, _epList, _epList.first.epOrder, null);
}
},
),
..._epList.map((e) {
return Container(
child: MaterialButton(
onPressed: () {
_push(_task, _epList, e.epOrder, null);
},
color: Colors.white,
child: Text(e.title,
style: TextStyle(color: Colors.black)),
),
);
}),
],
),
],
);
},
),
);
}
void _push(
DownloadComic task,
List<DownloadEp> epList,
int epOrder,
int? rank,
) {
Navigator.push(
context,
MaterialPageRoute(
builder: (context) => DownloadReaderScreen(
comicInfo: _task,
epList: _epList,
currentEpOrder: epOrder,
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initPicturePosition: rank,
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),
),
);
}
}