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selection: toggle section selection by tapping header

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This commit is contained in:
Thibault Deckers 2020-07-26 01:35:13 +09:00
parent bcc571fa84
commit 2ed7851d7d
1 changed files with 44 additions and 33 deletions
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77
lib/widgets/album/grid/header_generic.dart
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@ -129,50 +129,67 @@ class TitleSectionHeader extends StatelessWidget {
alignment: AlignmentDirectional.centerStart,
padding: padding,
constraints: const BoxConstraints(minHeight: leadingDimension),
child: Text.rich(
TextSpan(
children: [
WidgetSpan(
alignment: widgetSpanAlignment,
child: SectionSelectableLeading(
sectionKey: sectionKey,
browsingBuilder: leading != null
? (context) => Container(
padding: leadingPadding,
width: leadingDimension,
height: leadingDimension,
child: leading,
)
: null,
),
),
TextSpan(
text: title,
style: Constants.titleTextStyle,
),
if (trailing != null)
child: GestureDetector(
onTap: () => _toggleSectionSelection(context),
child: Text.rich(
TextSpan(
children: [
WidgetSpan(
alignment: widgetSpanAlignment,
child: Container(
padding: trailingPadding,
child: trailing,
child: SectionSelectableLeading(
sectionKey: sectionKey,
browsingBuilder: leading != null
? (context) => Container(
padding: leadingPadding,
width: leadingDimension,
height: leadingDimension,
child: leading,
)
: null,
onPressed: () => _toggleSectionSelection(context),
),
),
],
TextSpan(
text: title,
style: Constants.titleTextStyle,
),
if (trailing != null)
WidgetSpan(
alignment: widgetSpanAlignment,
child: Container(
padding: trailingPadding,
child: trailing,
),
),
],
),
),
),
);
}
void _toggleSectionSelection(BuildContext context) {
final collection = Provider.of<CollectionLens>(context, listen: false);
final sectionEntries = collection.sections[sectionKey];
final selected = collection.isSelected(sectionEntries);
if (selected) {
collection.removeFromSelection(sectionEntries);
} else {
collection.addToSelection(sectionEntries);
}
}
}
class SectionSelectableLeading extends StatelessWidget {
final dynamic sectionKey;
final WidgetBuilder browsingBuilder;
final VoidCallback onPressed;
const SectionSelectableLeading({
Key key,
@required this.sectionKey,
@required this.browsingBuilder,
@required this.onPressed,
}) : super(key: key);
static const leadingDimension = TitleSectionHeader.leadingDimension;
@ -199,13 +216,7 @@ class SectionSelectableLeading extends StatelessWidget {
padding: const EdgeInsets.only(top: 1),
alignment: Alignment.topLeft,
icon: Icon(selected ? AIcons.selected : AIcons.unselected),
onPressed: () {
if (selected) {
collection.removeFromSelection(sectionEntries);
} else {
collection.addToSelection(sectionEntries);
}
},
onPressed: onPressed,
tooltip: selected ? 'Deselect section' : 'Select section',
constraints: const BoxConstraints(
minHeight: leadingDimension,