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improved new album creation dialog

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This commit is contained in:
Thibault Deckers 2020-07-19 17:57:21 +09:00
parent 51952f7699
commit dcbd95be01
1 changed files with 52 additions and 22 deletions
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70
lib/widgets/common/action_delegates/create_album_dialog.dart
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@ -1,3 +1,5 @@
import 'dart:io';
import 'package:aves/utils/android_file_utils.dart'; import 'package:aves/utils/android_file_utils.dart';
import 'package:flutter/material.dart'; import 'package:flutter/material.dart';
import 'package:flutter/widgets.dart'; import 'package:flutter/widgets.dart';
@ -10,19 +12,17 @@ class CreateAlbumDialog extends StatefulWidget {
class _CreateAlbumDialogState extends State<CreateAlbumDialog> { class _CreateAlbumDialogState extends State<CreateAlbumDialog> {
final TextEditingController _nameController = TextEditingController(); final TextEditingController _nameController = TextEditingController();
Set<StorageVolume> allVolumes; final ValueNotifier<bool> _existsNotifier = ValueNotifier(false);
StorageVolume primaryVolume, selectedVolume; Set<StorageVolume> _allVolumes;
StorageVolume _primaryVolume, _selectedVolume;
@override @override
void initState() { void initState() {
super.initState(); super.initState();
_allVolumes = androidFileUtils.storageVolumes;
// TODO TLAD improve new album default name _primaryVolume = _allVolumes.firstWhere((volume) => volume.isPrimary, orElse: () => _allVolumes.first);
_nameController.text = 'Album 1'; _selectedVolume = _primaryVolume;
_initAlbumName();
allVolumes = androidFileUtils.storageVolumes;
primaryVolume = allVolumes.firstWhere((volume) => volume.isPrimary, orElse: () => allVolumes.first);
selectedVolume = primaryVolume;
} }
@override @override
@ -38,7 +38,7 @@ class _CreateAlbumDialogState extends State<CreateAlbumDialog> {
content: Column( content: Column(
mainAxisSize: MainAxisSize.min, mainAxisSize: MainAxisSize.min,
children: [ children: [
if (allVolumes.length > 1) ...[ if (_allVolumes.length > 1) ...[
Row( Row(
mainAxisSize: MainAxisSize.min, mainAxisSize: MainAxisSize.min,
children: [ children: [
@ -47,7 +47,7 @@ class _CreateAlbumDialogState extends State<CreateAlbumDialog> {
Expanded( Expanded(
child: DropdownButton<StorageVolume>( child: DropdownButton<StorageVolume>(
isExpanded: true, isExpanded: true,
items: allVolumes items: _allVolumes
.map((volume) => DropdownMenuItem( .map((volume) => DropdownMenuItem(
value: volume, value: volume,
child: Text( child: Text(
@ -58,18 +58,30 @@ class _CreateAlbumDialogState extends State<CreateAlbumDialog> {
), ),
)) ))
.toList(), .toList(),
value: selectedVolume, value: _selectedVolume,
onChanged: (volume) => setState(() => selectedVolume = volume), onChanged: (volume) {
_selectedVolume = volume;
_checkAlbumExists();
setState(() {});
},
), ),
), ),
], ],
), ),
const SizedBox(height: 16), const SizedBox(height: 16),
], ],
TextField( ValueListenableBuilder<bool>(
valueListenable: _existsNotifier,
builder: (context, exists, child) {
return TextField(
controller: _nameController, controller: _nameController,
// autofocus: true, decoration: InputDecoration(
helperText: exists ? 'Album already exists' : '',
), ),
onChanged: (_) => _checkAlbumExists(),
onSubmitted: (_) => _submit(context),
);
}),
], ],
), ),
contentPadding: const EdgeInsets.fromLTRB(24, 20, 24, 0), contentPadding: const EdgeInsets.fromLTRB(24, 20, 24, 0),
@ -79,16 +91,34 @@ class _CreateAlbumDialogState extends State<CreateAlbumDialog> {
child: Text('Cancel'.toUpperCase()), child: Text('Cancel'.toUpperCase()),
), ),
FlatButton( FlatButton(
onPressed: () => Navigator.pop(context, _buildAlbumPath()), onPressed: () => _submit(context),
child: Text('Create'.toUpperCase()), child: Text('Create'.toUpperCase()),
), ),
], ],
); );
} }
String _buildAlbumPath() { String _buildAlbumPath(String name) {
final newName = _nameController.text; if (name == null || name.isEmpty) return '';
if (newName == null || newName.isEmpty) return null; return join(_selectedVolume.path, 'Pictures', name);
return join(selectedVolume == primaryVolume ? androidFileUtils.dcimPath : selectedVolume.path, newName);
} }
Future<void> _initAlbumName() 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);
_existsNotifier.value = path.isEmpty ? false : await Directory(path).exists();
}
void _submit(BuildContext context) => Navigator.pop(context, _buildAlbumPath(_nameController.text));
} }