kopia lustrzana https://gitlab.com/mysocialportal/relatica
94 wiersze
2.9 KiB
Dart
94 wiersze
2.9 KiB
Dart
import 'dart:io';
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import 'package:cached_network_image/cached_network_image.dart';
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import 'package:file_picker/file_picker.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter_file_dialog/flutter_file_dialog.dart';
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import 'package:path/path.dart' as p;
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import 'package:path_provider/path_provider.dart';
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import '../globals.dart';
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import '../models/media_attachment.dart';
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import '../services/auth_service.dart';
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import '../utils/snackbar_builder.dart';
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class ImageViewerScreen extends StatelessWidget {
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final MediaAttachment attachment;
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const ImageViewerScreen({super.key, required this.attachment});
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Future<void> saveImage(BuildContext context) async {
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final appsDir = await getApplicationDocumentsDirectory();
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final filename = p.basename(attachment.fullFileUri.path);
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final bytesResult = await getIt<AuthService>()
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.currentClient
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.value
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.getFileBytes(attachment.uri);
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if (bytesResult.isFailure) {
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buildSnackbar(context,
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'Error getting full size version of file: ${bytesResult.error}');
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}
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if (Platform.isAndroid || Platform.isIOS) {
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final params = SaveFileDialogParams(
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data: bytesResult.value,
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fileName: filename,
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);
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await FlutterFileDialog.saveFile(params: params);
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} else {
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final location = await FilePicker.platform.saveFile(
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dialogTitle: 'Save Image',
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fileName: filename,
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initialDirectory: appsDir.path,
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);
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if (location != null) {
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await File(location).writeAsBytes(bytesResult.value);
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}
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}
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}
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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appBar: AppBar(
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actions: [
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IconButton(
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onPressed: () => saveImage(context),
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icon: const Icon(Icons.download))
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],
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),
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body: SafeArea(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.start,
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Expanded(
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flex: 9,
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child: InteractiveViewer(
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clipBehavior: Clip.none,
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constrained: true,
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maxScale: 10.0,
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scaleFactor: 0.1,
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child:
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CachedNetworkImage(imageUrl: attachment.uri.toString()),
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),
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),
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if (attachment.description.isNotEmpty)
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Expanded(
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flex: 1,
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child: Padding(
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padding: const EdgeInsets.only(
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left: 8.0,
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right: 8.0,
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bottom: 8.0,
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),
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child: SingleChildScrollView(
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child: Text(attachment.description),
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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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