Client/lib/widget/fileViewer.dart

116 lines
3.4 KiB
Dart

import 'dart:io';
import 'dart:math';
import 'package:better_open_file/better_open_file.dart';
import 'package:flutter/material.dart';
import 'package:photo_view/photo_view.dart';
import 'package:provider/provider.dart';
import 'package:share_plus/share_plus.dart';
import 'package:syncfusion_flutter_pdfviewer/pdfviewer.dart';
import '../storage/base/settingsProvider.dart';
import 'placeholderView.dart';
import 'sharePositionOrigin.dart';
class FileViewer extends StatefulWidget {
final String path;
final bool openExternal;
const FileViewer({super.key, required this.path, this.openExternal = false});
@override
State<FileViewer> createState() => _FileViewerState();
}
class _FileViewerState extends State<FileViewer> {
PhotoViewController photoViewController = PhotoViewController();
late SettingsProvider settings = Provider.of<SettingsProvider>(context, listen: false);
late bool openExternal;
@override
void initState() {
openExternal = settings.val().fileViewSettings.alwaysOpenExternally || widget.openExternal;
super.initState();
}
@override
Widget build(BuildContext context) {
AppBar appbar({List actions = const []}) => AppBar(
title: Text(widget.path.split('/').last),
actions: [
IconButton(
onPressed: () => Navigator.of(context).push(
MaterialPageRoute(builder: (context) => FileViewer(path: widget.path, openExternal: true))
),
icon: const Icon(Icons.open_in_new)
),
IconButton(
onPressed: () {
Share.shareXFiles(
[XFile(widget.path)],
sharePositionOrigin: SharePositionOrigin.get(context),
);
},
icon: const Icon(Icons.share_outlined),
),
...actions
],
);
switch(openExternal ? '' : widget.path.split('.').last.toLowerCase()) {
case 'png':
case 'jpg':
case 'jpeg':
case 'webp':
case 'gif':
return Scaffold(
appBar: appbar(
actions: [
IconButton(onPressed: () {
setState(() {
photoViewController.rotation += pi/2;
});
}, icon: const Icon(Icons.rotate_right)),
]
),
backgroundColor: Colors.white,
body: PhotoView(
controller: photoViewController,
maxScale: 3.0,
minScale: 0.1,
imageProvider: Image.file(File(widget.path)).image,
backgroundDecoration: BoxDecoration(color: Theme.of(context).colorScheme.surface),
)
);
case 'pdf':
return Scaffold(
appBar: appbar(),
body: SfPdfViewer.file(
File(widget.path),
),
);
default:
OpenFile.open(widget.path).then((result) {
Navigator.of(context).pop();
if(result.type != ResultType.done) {
showDialog(context: context, builder: (context) => AlertDialog(
content: Text(result.message),
));
}
});
return PlaceholderView(
text: 'Datei extern geöffnet',
icon: Icons.open_in_new,
button: TextButton(
onPressed: () => Navigator.of(context).pop(),
child: const Text('Zurück'),
),
);
}
}
}