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This commit is contained in:
Thibault Deckers 2022-05-12 14:49:00 +09:00
parent 38c71aa073
commit 3db806eabe
3 changed files with 24 additions and 36 deletions
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5
lib/widgets/collection/collection_grid.dart
View file

@ -450,13 +450,14 @@ class _CollectionScrollViewState extends State<_CollectionScrollView> {
final crumbs = <double, String>{};
if (sectionLayouts.length <= 1) return crumbs;
final maxOffset = sectionLayouts.last.maxOffset;
void addAlbums(CollectionLens collection, List<SectionLayout> sectionLayouts, Map<double, String> crumbs) {
final source = collection.source;
sectionLayouts.forEach((section) {
final directory = (section.sectionKey as EntryAlbumSectionKey).directory;
if (directory != null) {
final label = source.getAlbumDisplayName(context, directory);
crumbs[section.minOffset] = label;
crumbs[section.minOffset / maxOffset] = label;
}
});
}
@ -484,7 +485,7 @@ class _CollectionScrollViewState extends State<_CollectionScrollView> {
if (date != null) {
final label = dateFormat.format(date);
if (label != lastLabel) {
crumbs[section.minOffset] = label;
crumbs[section.minOffset / maxOffset] = label;
lastLabel = label;
}
}

51
lib/widgets/common/basic/draggable_scrollbar.dart
View file

@ -149,11 +149,11 @@ class _DraggableScrollbarState extends State<DraggableScrollbar> with TickerProv
late AnimationController _labelAnimationController;
late Animation<double> _labelAnimation;
Timer? _fadeoutTimer;
Map<double, String>? _modelCrumbs;
final List<_Crumb> _viewportCrumbs = [];
Map<double, String>? _percentCrumbs;
final Map<double, String> _viewportCrumbs = {};
static const crumbPadding = 30.0;
static const crumbOffsetRatioThreshold = 10;
static const double crumbPadding = 30;
static const double crumbMinViewportRatio = 4;
@override
void initState() {
@ -185,7 +185,7 @@ class _DraggableScrollbarState extends State<DraggableScrollbar> with TickerProv
super.didUpdateWidget(oldWidget);
if (oldWidget.crumbsBuilder != widget.crumbsBuilder) {
_modelCrumbs = null;
_percentCrumbs = null;
}
}
@ -218,10 +218,12 @@ class _DraggableScrollbarState extends State<DraggableScrollbar> with TickerProv
child: widget.child,
),
if (_isDragInProcess)
..._viewportCrumbs.map((crumb) {
..._viewportCrumbs.entries.map((kv) {
final offset = kv.key;
final label = kv.value;
return Positioned.directional(
textDirection: Directionality.of(context),
top: crumb.labelOffset,
top: offset,
end: DraggableScrollbar.labelThumbPadding + widget.scrollThumbSize.width,
child: Padding(
padding: widget.padding,
@ -231,7 +233,7 @@ class _DraggableScrollbarState extends State<DraggableScrollbar> with TickerProv
child: ScrollLabel(
animation: kAlwaysCompleteAnimation,
backgroundColor: widget.backgroundColor,
child: widget.crumbTextBuilder(crumb.label),
child: widget.crumbTextBuilder(label),
),
),
),
@ -349,24 +351,18 @@ class _DraggableScrollbarState extends State<DraggableScrollbar> with TickerProv
_viewportCrumbs.clear();
final crumbsBuilder = widget.crumbsBuilder;
if (crumbsBuilder != null) {
final maxOffset = thumbMaxScrollExtent;
final position = controller.position;
final contentHeight = position.maxScrollExtent + thumbMaxScrollExtent + position.viewportDimension;
final ratio = contentHeight / scrollBarHeight;
if (ratio > crumbOffsetRatioThreshold) {
final maxLabelOffset = scrollBarHeight - widget.scrollThumbSize.height;
if (position.maxScrollExtent / position.viewportDimension > crumbMinViewportRatio) {
double lastLabelOffset = -crumbPadding;
_modelCrumbs ??= crumbsBuilder();
_modelCrumbs!.entries.forEach((kv) {
final viewOffset = kv.key;
_percentCrumbs ??= crumbsBuilder();
_percentCrumbs!.entries.forEach((kv) {
final percent = kv.key;
final label = kv.value;
final labelOffset = (viewOffset / ratio).roundToDouble();
if (labelOffset >= lastLabelOffset + crumbPadding && labelOffset < maxLabelOffset) {
final labelOffset = percent * maxOffset;
if (labelOffset >= lastLabelOffset + crumbPadding) {
lastLabelOffset = labelOffset;
_viewportCrumbs.add(_Crumb(
viewOffset: viewOffset,
labelOffset: labelOffset,
label: label,
));
_viewportCrumbs[labelOffset] = label;
}
});
// hide lonesome crumb, whether it is because of a single section,
@ -379,17 +375,6 @@ class _DraggableScrollbarState extends State<DraggableScrollbar> with TickerProv
}
}
class _Crumb {
final double viewOffset, labelOffset;
final String label;
const _Crumb({
required this.viewOffset,
required this.labelOffset,
required this.label,
});
}
///This cut 2 lines in arrow shape
class ArrowClipper extends CustomClipper<Path> {
@override

4
lib/widgets/navigation/nav_bar/nav_bar.dart
View file

@ -16,6 +16,7 @@ import 'package:provider/provider.dart';
class AppBottomNavBar extends StatelessWidget {
final Stream<DraggableScrollBarEvent> events;
// collection loaded in the `CollectionPage`, if any
final CollectionLens? currentCollection;
@ -35,6 +36,7 @@ class AppBottomNavBar extends StatelessWidget {
final blurred = context.select<Settings, bool>((s) => s.enableOverlayBlurEffect);
final showVideo = context.select<Settings, bool>((s) => !s.hiddenFilters.contains(MimeFilter.video));
final backgroundColor = Theme.of(context).canvasColor;
final items = [
const AvesBottomNavItem(route: CollectionPage.routeName),
@ -58,7 +60,7 @@ class AppBottomNavBar extends StatelessWidget {
onTap: (index) => _goTo(context, items, index),
currentIndex: _getCurrentIndex(context, items),
type: BottomNavigationBarType.fixed,
backgroundColor: Theme.of(context).canvasColor.withOpacity(.85),
backgroundColor: blurred ? backgroundColor.withOpacity(.85) : backgroundColor,
showSelectedLabels: false,
showUnselectedLabels: false,
),