shlink-manager/lib/URLListView.dart

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Dart
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import 'package:dynamic_color/dynamic_color.dart';
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import 'package:flutter/material.dart';
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import 'package:qr_flutter/qr_flutter.dart';
import 'package:shlink_app/API/Classes/ShortURL/ShortURL.dart';
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import 'package:shlink_app/API/ServerManager.dart';
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import 'package:shlink_app/ShortURLEditView.dart';
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import 'package:shlink_app/URLDetailView.dart';
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import 'globals.dart' as globals;
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import 'package:flutter/services.dart';
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class URLListView extends StatefulWidget {
const URLListView({Key? key}) : super(key: key);
@override
State<URLListView> createState() => _URLListViewState();
}
class _URLListViewState extends State<URLListView> {
List<ShortURL> shortUrls = [];
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bool _qrCodeShown = false;
String _qrUrl = "";
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bool shortUrlsLoaded = false;
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@override
void initState() {
// TODO: implement initState
super.initState();
WidgetsBinding.instance
.addPostFrameCallback((_) => loadAllShortUrls());
}
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Future<void> loadAllShortUrls() async {
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final response = await globals.serverManager.getShortUrls();
response.fold((l) {
setState(() {
shortUrls = l;
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shortUrlsLoaded = true;
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});
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return true;
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}, (r) {
var text = "";
if (r is RequestFailure) {
text = r.description;
}
else {
text = (r as ApiFailure).detail;
}
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final snackBar = SnackBar(content: Text(text), backgroundColor: Colors.red[400], behavior: SnackBarBehavior.floating);
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ScaffoldMessenger.of(context).showSnackBar(snackBar);
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return false;
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});
}
@override
Widget build(BuildContext context) {
return Scaffold(
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floatingActionButton: FloatingActionButton(
onPressed: () async {
final result = await Navigator.of(context).push(MaterialPageRoute(builder: (context) => ShortURLEditView()));
loadAllShortUrls();
},
child: Icon(Icons.add),
),
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body: Stack(
children: [
ColorFiltered(
colorFilter: ColorFilter.mode(Colors.black.withOpacity(_qrCodeShown ? 0.4 : 0), BlendMode.srcOver),
child: RefreshIndicator(
onRefresh: () async {
return loadAllShortUrls();
},
child: CustomScrollView(
slivers: [
SliverAppBar.medium(
title: Text("Short URLs", style: TextStyle(fontWeight: FontWeight.bold))
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),
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if (shortUrlsLoaded && shortUrls.length == 0)
SliverToBoxAdapter(
child: Center(
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child: Padding(
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padding: EdgeInsets.only(top: 50),
child: Column(
children: [
Text("No Short URLs", style: TextStyle(fontSize: 24, fontWeight: FontWeight.bold),),
Padding(
padding: EdgeInsets.only(top: 8),
child: Text('Create one by tapping the "+" button below', style: TextStyle(fontSize: 16, color: Colors.grey[600]),),
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)
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],
)
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)
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)
)
else
SliverList(delegate: SliverChildBuilderDelegate(
(BuildContext _context, int index) {
final shortURL = shortUrls[index];
return ShortURLCell(shortURL: shortURL, reload: () {
loadAllShortUrls();
}, showQRCode: (String url) {
setState(() {
_qrUrl = url;
_qrCodeShown = true;
});
}, isLast: index == shortUrls.length - 1);
},
childCount: shortUrls.length
))
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],
),
),
),
if (_qrCodeShown)
GestureDetector(
onTap: () {
setState(() {
_qrCodeShown = false;
});
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},
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child: Container(
color: Colors.black.withOpacity(0),
),
),
if (_qrCodeShown)
Center(
child: SizedBox(
width: MediaQuery.of(context).size.width / 1.7,
height: MediaQuery.of(context).size.width / 1.7,
child: Card(
child: Padding(
padding: const EdgeInsets.all(16),
child: QrImageView(
data: _qrUrl,
version: QrVersions.auto,
size: 200.0,
eyeStyle: QrEyeStyle(
eyeShape: QrEyeShape.square,
color: MediaQuery.of(context).platformBrightness == Brightness.dark ? Colors.white : Colors.black,
),
dataModuleStyle: QrDataModuleStyle(
dataModuleShape: QrDataModuleShape.square,
color: MediaQuery.of(context).platformBrightness == Brightness.dark ? Colors.white : Colors.black,
),
)
)
),
),
)
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],
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)
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);
}
}
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class ShortURLCell extends StatefulWidget {
const ShortURLCell({super.key, required this.shortURL, required this.reload, required this.showQRCode, required this.isLast});
final ShortURL shortURL;
final Function() reload;
final Function(String url) showQRCode;
final bool isLast;
@override
State<ShortURLCell> createState() => _ShortURLCellState();
}
class _ShortURLCellState extends State<ShortURLCell> {
@override
Widget build(BuildContext context) {
return GestureDetector(
onTap: () async {
final result = await Navigator.of(context).push(MaterialPageRoute(builder: (context) => URLDetailView(shortURL: widget.shortURL)));
if (result == "reload") {
widget.reload();
}
},
child: Padding(
padding: EdgeInsets.only(left: 8, right: 8, bottom: widget.isLast ? 90 : 0),
child: Container(
padding: EdgeInsets.only(left: 8, right: 8, bottom: 16, top: 16),
decoration: BoxDecoration(
border: Border(bottom: BorderSide(color: MediaQuery.of(context).platformBrightness == Brightness.dark ? Colors.grey[800]! : Colors.grey[300]!)),
),
child: Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
mainAxisAlignment: MainAxisAlignment.start,
children: [
Text("${widget.shortURL.title ?? widget.shortURL.shortCode}", textScaleFactor: 1.4, style: TextStyle(fontWeight: FontWeight.bold),),
Text("${widget.shortURL.longUrl}",maxLines: 1, overflow: TextOverflow.ellipsis, textScaleFactor: 0.9, style: TextStyle(color: Colors.grey[600]),),
// List tags in a row
Wrap(
children: widget.shortURL.tags.map((tag) {
var randomColor = ([...Colors.primaries]..shuffle()).first.harmonizeWith(Theme.of(context).colorScheme.primary);
return Padding(
padding: EdgeInsets.only(right: 4, top: 4),
child: Container(
padding: EdgeInsets.only(top: 4, bottom: 4, left: 12, right: 12),
decoration: BoxDecoration(
borderRadius: BorderRadius.circular(4),
color: randomColor,
),
child: Text(tag, style: TextStyle(color: randomColor.computeLuminance() < 0.5 ? Colors.white : Colors.black),),
),
);
}).toList()
)
],
),
),
IconButton(onPressed: () async {
await Clipboard.setData(ClipboardData(text: widget.shortURL.shortUrl));
final snackBar = SnackBar(content: Text("Copied to clipboard!"), behavior: SnackBarBehavior.floating, backgroundColor: Colors.green[400]);
ScaffoldMessenger.of(context).showSnackBar(snackBar);
}, icon: Icon(Icons.copy)),
IconButton(onPressed: () {
widget.showQRCode(widget.shortURL.shortUrl);
}, icon: Icon(Icons.qr_code))
],
)
),
)
);
}
}