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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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29
common/lib/src/selectors/files.dart
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@ -18,7 +18,20 @@ class FilesSelectorResult {
FilesSelectorResult(this.parentId, this.selection); 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 { class FilesSelector extends StatefulWidget {
/// Choose a directory instead of multiple files.
final bool chooseDirectory;
FilesSelector({
this.chooseDirectory = false,
});
@override @override
_FilesSelectorState createState() => _FilesSelectorState(); _FilesSelectorState createState() => _FilesSelectorState();
} }
@ -42,7 +55,8 @@ class _FilesSelectorState extends State<FilesSelector> {
return WillPopScope( return WillPopScope(
child: Scaffold( child: Scaffold(
appBar: AppBar( appBar: AppBar(
title: Text('Choose files'), title: Text(
widget.chooseDirectory ? 'Choose directory' : 'Choose files'),
leading: IconButton( leading: IconButton(
icon: const Icon(Icons.close), icon: const Icon(Icons.close),
onPressed: () { onPressed: () {
@ -51,14 +65,15 @@ class _FilesSelectorState extends State<FilesSelector> {
), ),
actions: <Widget>[ actions: <Widget>[
FlatButton( FlatButton(
child: Text('DONE'), child: Text(widget.chooseDirectory ? 'SELECT' : 'DONE'),
onPressed: () { onPressed: () {
final parentId = history.isNotEmpty ? history.last.id : null;
Navigator.pop( Navigator.pop(
context, context,
FilesSelectorResult( widget.chooseDirectory
history.isNotEmpty ? history.last.id : null, ? parentId
selection, : FilesSelectorResult(parentId, selection),
),
); );
}, },
), ),
@ -141,10 +156,12 @@ class _FilesSelectorState extends State<FilesSelector> {
} }
}); });
if (mounted) {
setState(() { setState(() {
children = newChildren; children = newChildren;
}); });
} }
}
bool up() { bool up() {
if (history.isNotEmpty) { if (history.isNotEmpty) {