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Subscribe to SizeChangedEvent on template applied

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This commit is contained in:
Gehongyan
2025-04-29 22:14:45 +08:00
parent d9c2a845a7
commit 171dd85382
1 changed files with 1 additions and 15 deletions
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16
src/Ursa/Controls/Badge/Badge.cs
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@@ -72,23 +72,9 @@ public class Badge : HeaderedContentControl
{ {
base.OnApplyTemplate(e); base.OnApplyTemplate(e);
_badgeContainer = e.NameScope.Find<Border>(PART_BadgeContainer); _badgeContainer = e.NameScope.Find<Border>(PART_BadgeContainer);
_badgeContainer?.AddHandler(SizeChangedEvent, (_, _) => UpdateBadgePosition());
} }
protected override void OnAttachedToVisualTree(VisualTreeAttachmentEventArgs e)
{
base.OnAttachedToVisualTree(e);
ApplyTemplate();
_badgeContainer?.AddHandler(SizeChangedEvent, OnBadgeSizeChanged);
}
protected override void OnDetachedFromVisualTree(VisualTreeAttachmentEventArgs e)
{
_badgeContainer?.RemoveHandler(SizeChangedEvent, OnBadgeSizeChanged);
base.OnDetachedFromVisualTree(e);
}
private void OnBadgeSizeChanged(object? sender, SizeChangedEventArgs e) => UpdateBadgePosition();
private void UpdateBadgePosition() private void UpdateBadgePosition()
{ {
var vertical = CornerPosition is CornerPosition.BottomLeft or CornerPosition.BottomRight ? 1 : -1; var vertical = CornerPosition is CornerPosition.BottomLeft or CornerPosition.BottomRight ? 1 : -1;