chuan/Ursa.Avalonia
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fix: fix container selection state issue.

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This commit is contained in:
rabbitism
2024-06-17 16:21:34 +08:00
parent 8ae57f4a5b
commit 9ffb8cc736
1 changed files with 13 additions and 0 deletions
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13
src/Ursa/Controls/ComboBox/MultiComboBoxItem.cs
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@@ -13,6 +13,7 @@ public class MultiComboBoxItem: ContentControl
private MultiComboBox? _parent; private MultiComboBox? _parent;
private static readonly Point s_invalidPoint = new (double.NaN, double.NaN); private static readonly Point s_invalidPoint = new (double.NaN, double.NaN);
private Point _pointerDownPoint = s_invalidPoint; private Point _pointerDownPoint = s_invalidPoint;
private bool _updateInternal;
public static readonly StyledProperty<bool> IsSelectedProperty = AvaloniaProperty.Register<MultiComboBoxItem, bool>( public static readonly StyledProperty<bool> IsSelectedProperty = AvaloniaProperty.Register<MultiComboBoxItem, bool>(
nameof(IsSelected)); nameof(IsSelected));
@@ -34,6 +35,7 @@ public class MultiComboBoxItem: ContentControl
private void OnSelectionChanged(AvaloniaPropertyChangedEventArgs<bool> args) private void OnSelectionChanged(AvaloniaPropertyChangedEventArgs<bool> args)
{ {
if (_updateInternal) return;
var parent = this.FindLogicalAncestorOfType<MultiComboBox>(); var parent = this.FindLogicalAncestorOfType<MultiComboBox>();
if (args.NewValue.Value) if (args.NewValue.Value)
{ {
@@ -94,4 +96,15 @@ public class MultiComboBoxItem: ContentControl
} }
} }
} }
protected override void OnAttachedToVisualTree(VisualTreeAttachmentEventArgs e)
{
base.OnAttachedToVisualTree(e);
_updateInternal = true;
if (_parent?.ItemsPanelRoot is VirtualizingPanel)
{
IsSelected = _parent?.SelectedItems?.Contains(DataContext) ?? false;
}
_updateInternal = false;
}
} }