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packages/file_selector/file_selector_macos/example/lib/get_multiple_directories_page.dart
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// Copyright 2013 The Flutter Authors. All rights reserved. | ||
// Use of this source code is governed by a BSD-style license that can be | ||
// found in the LICENSE file. | ||
|
||
import 'package:file_selector_platform_interface/file_selector_platform_interface.dart'; | ||
import 'package:flutter/material.dart'; | ||
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/// Screen that allows the user to select one or more directories using `getDirectoryPaths`, | ||
/// then displays the selected directories in a dialog. | ||
class GetMultipleDirectoriesPage extends StatelessWidget { | ||
/// Default Constructor | ||
const GetMultipleDirectoriesPage({Key? key}) : super(key: key); | ||
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Future<void> _getDirectoryPaths(BuildContext context) async { | ||
const String confirmButtonText = 'Choose'; | ||
final List<String?> directoriesPaths = | ||
await FileSelectorPlatform.instance.getDirectoryPaths( | ||
confirmButtonText: confirmButtonText, | ||
); | ||
if (directoriesPaths == null) { | ||
// Operation was canceled by the user. | ||
return; | ||
} | ||
if (context.mounted) { | ||
await showDialog<void>( | ||
context: context, | ||
builder: (BuildContext context) => | ||
TextDisplay(directoriesPaths.join('\n')), | ||
); | ||
} | ||
} | ||
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@override | ||
Widget build(BuildContext context) { | ||
return Scaffold( | ||
appBar: AppBar( | ||
title: const Text('Select multiple directories'), | ||
), | ||
body: Center( | ||
child: Column( | ||
mainAxisAlignment: MainAxisAlignment.center, | ||
children: <Widget>[ | ||
ElevatedButton( | ||
style: ElevatedButton.styleFrom( | ||
// ignore: deprecated_member_use | ||
primary: Colors.blue, | ||
// ignore: deprecated_member_use | ||
onPrimary: Colors.white, | ||
), | ||
child: const Text( | ||
'Press to ask user to choose multiple directories'), | ||
onPressed: () => _getDirectoryPaths(context), | ||
), | ||
], | ||
), | ||
), | ||
); | ||
} | ||
} | ||
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/// Widget that displays a text file in a dialog. | ||
class TextDisplay extends StatelessWidget { | ||
/// Creates a `TextDisplay`. | ||
const TextDisplay(this.directoryPaths, {Key? key}) : super(key: key); | ||
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/// The paths selected in the dialog. | ||
final String directoryPaths; | ||
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@override | ||
Widget build(BuildContext context) { | ||
return AlertDialog( | ||
title: const Text('Selected Directories'), | ||
content: Scrollbar( | ||
child: SingleChildScrollView( | ||
child: Text(directoryPaths), | ||
), | ||
), | ||
actions: <Widget>[ | ||
TextButton( | ||
child: const Text('Close'), | ||
onPressed: () => Navigator.pop(context), | ||
), | ||
], | ||
); | ||
} | ||
} |
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