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UpdateBadgePosition when the size of _badgeContainer changes

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Gehongyan
2025-04-29 10:57:32 +08:00
parent 2204e26c4a
commit d9c2a845a7
1 changed files with 9 additions and 9 deletions
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18
src/Ursa/Controls/Badge/Badge.cs
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@@ -2,7 +2,6 @@ using Avalonia;
using Avalonia.Controls;
using Avalonia.Controls.Metadata;
using Avalonia.Controls.Primitives;
using Avalonia.Interactivity;
using Avalonia.Media;
using Avalonia.Styling;
using Ursa.Common;
@@ -67,7 +66,6 @@ public class Badge : HeaderedContentControl
{
CornerPositionProperty.Changed.AddClassHandler<Badge>((badge, _) => badge.UpdateBadgePosition());
DotProperty.Changed.AddClassHandler<Badge>((badge, _) => badge.UpdateBadgePosition());
AffectsArrange<Badge>(HeaderProperty, HeaderTemplateProperty);
}
protected override void OnApplyTemplate(TemplateAppliedEventArgs e)
@@ -76,19 +74,21 @@ public class Badge : HeaderedContentControl
_badgeContainer = e.NameScope.Find<Border>(PART_BadgeContainer);
}
protected override void OnLoaded(RoutedEventArgs e)
protected override void OnAttachedToVisualTree(VisualTreeAttachmentEventArgs e)
{
base.OnLoaded(e);
UpdateBadgePosition();
base.OnAttachedToVisualTree(e);
ApplyTemplate();
_badgeContainer?.AddHandler(SizeChangedEvent, OnBadgeSizeChanged);
}
protected override Size ArrangeOverride(Size finalSize)
protected override void OnDetachedFromVisualTree(VisualTreeAttachmentEventArgs e)
{
var size = base.ArrangeOverride(finalSize);
UpdateBadgePosition();
return size;
_badgeContainer?.RemoveHandler(SizeChangedEvent, OnBadgeSizeChanged);
base.OnDetachedFromVisualTree(e);
}
private void OnBadgeSizeChanged(object? sender, SizeChangedEventArgs e) => UpdateBadgePosition();
private void UpdateBadgePosition()
{
var vertical = CornerPosition is CornerPosition.BottomLeft or CornerPosition.BottomRight ? 1 : -1;