aves/lib/widgets/dialogs/remove_entry_metadata_dialog.dart
2021-09-11 17:48:50 +09:00

128 lines
4 KiB
Dart

import 'package:aves/model/entry.dart';
import 'package:aves/model/metadata/enums.dart';
import 'package:aves/ref/brand_colors.dart';
import 'package:aves/ref/mime_types.dart';
import 'package:aves/utils/color_utils.dart';
import 'package:aves/widgets/common/extensions/build_context.dart';
import 'package:aves/widgets/common/fx/highlight_decoration.dart';
import 'package:aves/widgets/common/identity/highlight_title.dart';
import 'package:collection/collection.dart';
import 'package:flutter/material.dart';
import 'aves_dialog.dart';
class RemoveEntryMetadataDialog extends StatefulWidget {
final AvesEntry entry;
const RemoveEntryMetadataDialog({
Key? key,
required this.entry,
}) : super(key: key);
@override
_RemoveEntryMetadataDialogState createState() => _RemoveEntryMetadataDialogState();
}
class _RemoveEntryMetadataDialogState extends State<RemoveEntryMetadataDialog> {
late final List<MetadataType> _mainOptions, _moreOptions;
final Set<MetadataType> _types = {};
bool _showMore = false;
final ValueNotifier<bool> _isValidNotifier = ValueNotifier(false);
AvesEntry get entry => widget.entry;
@override
void initState() {
super.initState();
final byMain = groupBy([
...MetadataTypes.common,
if (entry.mimeType == MimeTypes.jpeg) ...MetadataTypes.jpeg,
], MetadataTypes.main.contains);
_mainOptions = (byMain[true] ?? [])..sort(_compareTypeText);
_moreOptions = (byMain[false] ?? [])..sort(_compareTypeText);
_validate();
}
@override
Widget build(BuildContext context) {
final l10n = context.l10n;
return AvesDialog(
context: context,
title: l10n.removeEntryMetadataDialogTitle,
scrollableContent: [
..._mainOptions.map(_toTile),
if (_moreOptions.isNotEmpty)
Padding(
padding: const EdgeInsets.only(bottom: 1),
child: ExpansionPanelList(
expansionCallback: (index, isExpanded) {
setState(() => _showMore = !isExpanded);
},
expandedHeaderPadding: EdgeInsets.zero,
elevation: 0,
children: [
ExpansionPanel(
headerBuilder: (context, isExpanded) => ListTile(
title: Text(l10n.removeEntryMetadataDialogMore),
),
body: Column(
children: _moreOptions.map(_toTile).toList(),
),
isExpanded: _showMore,
canTapOnHeader: true,
backgroundColor: Theme.of(context).dialogBackgroundColor,
),
],
),
),
],
actions: [
TextButton(
onPressed: () => Navigator.pop(context),
child: Text(MaterialLocalizations.of(context).cancelButtonLabel),
),
ValueListenableBuilder<bool>(
valueListenable: _isValidNotifier,
builder: (context, isValid, child) {
return TextButton(
onPressed: isValid ? () => _submit(context) : null,
child: Text(context.l10n.applyButtonLabel),
);
},
),
],
);
}
int _compareTypeText(MetadataType a, MetadataType b) => a.getText().compareTo(b.getText());
Widget _toTile(MetadataType type) {
final text = type.getText();
return SwitchListTile(
value: _types.contains(type),
onChanged: (selected) {
selected ? _types.add(type) : _types.remove(type);
_validate();
setState(() {});
},
title: Align(
alignment: Alignment.centerLeft,
child: DecoratedBox(
decoration: HighlightDecoration(
color: BrandColors.get(text) ?? stringToColor(text),
),
child: Text(
text,
style: const TextStyle(
shadows: HighlightTitle.shadows,
),
),
),
),
);
}
void _validate() => _isValidNotifier.value = _types.isNotEmpty;
void _submit(BuildContext context) => Navigator.pop(context, _types);
}