aves/lib/widgets/album/search_delegate.dart
2020-03-07 15:53:41 +09:00

101 lines
2.6 KiB
Dart

import 'package:aves/model/collection_filters.dart';
import 'package:aves/model/collection_lens.dart';
import 'package:aves/model/image_entry.dart';
import 'package:aves/widgets/album/thumbnail_collection.dart';
import 'package:aves/widgets/common/providers/media_query_data_provider.dart';
import 'package:flutter/material.dart';
import 'package:outline_material_icons/outline_material_icons.dart';
import 'package:provider/provider.dart';
class ImageSearchDelegate extends SearchDelegate<ImageEntry> {
final CollectionLens collection;
ImageSearchDelegate(this.collection);
@override
ThemeData appBarTheme(BuildContext context) {
return Theme.of(context);
}
@override
Widget buildLeading(BuildContext context) {
return IconButton(
tooltip: 'Back',
icon: AnimatedIcon(
icon: AnimatedIcons.menu_arrow,
progress: transitionAnimation,
),
onPressed: () => close(context, null),
);
}
@override
List<Widget> buildActions(BuildContext context) {
return [
if (query.isNotEmpty)
IconButton(
tooltip: 'Clear',
icon: Icon(OMIcons.clear),
onPressed: () {
query = '';
showSuggestions(context);
},
),
];
}
@override
Widget buildSuggestions(BuildContext context) {
return const SizedBox.shrink();
}
@override
Widget buildResults(BuildContext context) {
if (query.isEmpty) {
showSuggestions(context);
return const SizedBox.shrink();
}
return MediaQueryDataProvider(
child: ChangeNotifierProvider<CollectionLens>.value(
value: CollectionLens(
source: collection.source,
filters: [MetadataFilter(query.toLowerCase())],
groupFactor: collection.groupFactor,
sortFactor: collection.sortFactor,
),
child: ThumbnailCollection(
emptyBuilder: (context) => _EmptyContent(),
),
),
);
}
}
class _EmptyContent extends StatelessWidget {
@override
Widget build(BuildContext context) {
const color = Color(0xFF607D8B);
return Align(
alignment: const FractionalOffset(.5, .4),
child: Column(
mainAxisSize: MainAxisSize.min,
children: const [
Icon(
OMIcons.photo,
size: 64,
color: color,
),
SizedBox(height: 16),
Text(
'No match',
style: TextStyle(
color: color,
fontSize: 22,
fontFamily: 'Concourse',
),
),
],
),
);
}
}