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new album: removed name init, validate form to create

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This commit is contained in:
Thibault Deckers 2020-09-18 20:58:21 +09:00
parent 0e42568d85
commit a56ed27d0e
1 changed files with 16 additions and 21 deletions
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37
lib/widgets/common/action_delegates/create_album_dialog.dart
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@ -15,6 +15,7 @@ class CreateAlbumDialog extends StatefulWidget {
class _CreateAlbumDialogState extends State<CreateAlbumDialog> { class _CreateAlbumDialogState extends State<CreateAlbumDialog> {
final TextEditingController _nameController = TextEditingController(); final TextEditingController _nameController = TextEditingController();
final ValueNotifier<bool> _existsNotifier = ValueNotifier(false); final ValueNotifier<bool> _existsNotifier = ValueNotifier(false);
final ValueNotifier<bool> _isValidNotifier = ValueNotifier(false);
Set<StorageVolume> _allVolumes; Set<StorageVolume> _allVolumes;
StorageVolume _primaryVolume, _selectedVolume; StorageVolume _primaryVolume, _selectedVolume;
@ -24,7 +25,6 @@ class _CreateAlbumDialogState extends State<CreateAlbumDialog> {
_allVolumes = androidFileUtils.storageVolumes; _allVolumes = androidFileUtils.storageVolumes;
_primaryVolume = _allVolumes.firstWhere((volume) => volume.isPrimary, orElse: () => _allVolumes.first); _primaryVolume = _allVolumes.firstWhere((volume) => volume.isPrimary, orElse: () => _allVolumes.first);
_selectedVolume = _primaryVolume; _selectedVolume = _primaryVolume;
_initAlbumName();
} }
@override @override
@ -48,7 +48,7 @@ class _CreateAlbumDialogState extends State<CreateAlbumDialog> {
groupValue: _selectedVolume, groupValue: _selectedVolume,
onChanged: (volume) { onChanged: (volume) {
_selectedVolume = volume; _selectedVolume = volume;
_checkAlbumExists(); _validate();
setState(() {}); setState(() {});
}, },
title: Text( title: Text(
@ -67,7 +67,7 @@ class _CreateAlbumDialogState extends State<CreateAlbumDialog> {
SizedBox(height: 8), SizedBox(height: 8),
], ],
Padding( Padding(
padding: AvesDialog.contentHorizontalPadding, padding: AvesDialog.contentHorizontalPadding + EdgeInsets.only(bottom: 8),
child: ValueListenableBuilder<bool>( child: ValueListenableBuilder<bool>(
valueListenable: _existsNotifier, valueListenable: _existsNotifier,
builder: (context, exists, child) { builder: (context, exists, child) {
@ -75,8 +75,9 @@ class _CreateAlbumDialogState extends State<CreateAlbumDialog> {
controller: _nameController, controller: _nameController,
decoration: InputDecoration( decoration: InputDecoration(
helperText: exists ? 'Album already exists' : '', helperText: exists ? 'Album already exists' : '',
hintText: 'Album name',
), ),
onChanged: (_) => _checkAlbumExists(), onChanged: (_) => _validate(),
onSubmitted: (_) => _submit(context), onSubmitted: (_) => _submit(context),
); );
}), }),
@ -87,10 +88,15 @@ class _CreateAlbumDialogState extends State<CreateAlbumDialog> {
onPressed: () => Navigator.pop(context), onPressed: () => Navigator.pop(context),
child: Text('Cancel'.toUpperCase()), child: Text('Cancel'.toUpperCase()),
), ),
FlatButton( ValueListenableBuilder<bool>(
onPressed: () => _submit(context), valueListenable: _isValidNotifier,
child: Text('Create'.toUpperCase()), builder: (context, isValid, child) {
), return FlatButton(
onPressed: isValid ? () => _submit(context) : null,
child: Text('Create'.toUpperCase()),
);
},
)
], ],
); );
} }
@ -100,21 +106,10 @@ class _CreateAlbumDialogState extends State<CreateAlbumDialog> {
return join(_selectedVolume.path, 'Pictures', name); return join(_selectedVolume.path, 'Pictures', name);
} }
Future<void> _initAlbumName() async { Future<void> _validate() async {
var count = 1;
while (true) {
var name = 'Album $count';
if (!await Directory(_buildAlbumPath(name)).exists()) {
_nameController.text = name;
return;
}
count++;
}
}
Future<void> _checkAlbumExists() async {
final path = _buildAlbumPath(_nameController.text); final path = _buildAlbumPath(_nameController.text);
_existsNotifier.value = path.isEmpty ? false : await Directory(path).exists(); _existsNotifier.value = path.isEmpty ? false : await Directory(path).exists();
_isValidNotifier.value = (_nameController.text ?? '').isNotEmpty;
} }
void _submit(BuildContext context) => Navigator.pop(context, _buildAlbumPath(_nameController.text)); void _submit(BuildContext context) => Navigator.pop(context, _buildAlbumPath(_nameController.text));