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Files selector: Allow choosing a directory

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This commit is contained in:
Elias Projahn 2020-05-04 22:47:38 +02:00
parent 711b19c998
commit d53b3bfce9
1 changed files with 26 additions and 9 deletions
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35
common/lib/src/selectors/files.dart
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@ -18,7 +18,20 @@ class FilesSelectorResult {
FilesSelectorResult(this.parentId, this.selection);
}
/// A screen for selecting files.
///
/// This returns a [FilesSelectorResult] when pooping the navigator. If
/// [chooseDirectory] is true, the user will select a directory instead. In
/// that case, the document ID of the directory will be returned directly.
/// If that value is null, this means that the toplevel directory was selected.
class FilesSelector extends StatefulWidget {
/// Choose a directory instead of multiple files.
final bool chooseDirectory;
FilesSelector({
this.chooseDirectory = false,
});
@override
_FilesSelectorState createState() => _FilesSelectorState();
}
@ -42,7 +55,8 @@ class _FilesSelectorState extends State<FilesSelector> {
return WillPopScope(
child: Scaffold(
appBar: AppBar(
title: Text('Choose files'),
title: Text(
widget.chooseDirectory ? 'Choose directory' : 'Choose files'),
leading: IconButton(
icon: const Icon(Icons.close),
onPressed: () {
@ -51,14 +65,15 @@ class _FilesSelectorState extends State<FilesSelector> {
),
actions: <Widget>[
FlatButton(
child: Text('DONE'),
child: Text(widget.chooseDirectory ? 'SELECT' : 'DONE'),
onPressed: () {
final parentId = history.isNotEmpty ? history.last.id : null;
Navigator.pop(
context,
FilesSelectorResult(
history.isNotEmpty ? history.last.id : null,
selection,
),
widget.chooseDirectory
? parentId
: FilesSelectorResult(parentId, selection),
);
},
),
@ -141,9 +156,11 @@ class _FilesSelectorState extends State<FilesSelector> {
}
});
setState(() {
children = newChildren;
});
if (mounted) {
setState(() {
children = newChildren;
});
}
}
bool up() {