chuan/Ursa.Avalonia
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feat: remove virtualization subscription feature to avoid potential issue of

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This commit is contained in:
rabbitism
2024-03-26 01:47:53 +08:00
parent e600937fd7
commit 6993cdd7ab
2 changed files with 29 additions and 28 deletions
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29
src/Ursa/Controls/ComboBox/MultiComboBoxItem.cs
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@@ -2,12 +2,15 @@
using Avalonia.Controls;
using Avalonia.Controls.Mixins;
using Avalonia.Input;
using Avalonia.LogicalTree;
using Irihi.Avalonia.Shared.Helpers;
namespace Ursa.Controls;
public class MultiComboBoxItem: ContentControl
{
private MultiComboBox? _parent;
public static readonly StyledProperty<bool> IsSelectedProperty = AvaloniaProperty.Register<MultiComboBoxItem, bool>(
nameof(IsSelected));
@@ -22,7 +25,23 @@ public class MultiComboBoxItem: ContentControl
IsSelectedProperty.AffectsPseudoClass<MultiComboBoxItem>(":selected");
PressedMixin.Attach<MultiComboBoxItem>();
FocusableProperty.OverrideDefaultValue<MultiComboBoxItem>(true);
IsSelectedProperty.Changed.AddClassHandler<MultiComboBoxItem, bool>((item, args) =>
item.OnSelectionChanged(args));
}
private void OnSelectionChanged(AvaloniaPropertyChangedEventArgs<bool> args)
{
var parent = this.FindLogicalAncestorOfType<MultiComboBox>();
if (args.NewValue.Value)
{
parent?.SelectedItems?.Add(this.DataContext);
}
else
{
parent?.SelectedItems?.Remove(this.DataContext);
}
}
public MultiComboBoxItem()
{
this.GetObservable(IsFocusedProperty).Subscribe(a=> {
@@ -32,7 +51,15 @@ public class MultiComboBoxItem: ContentControl
}
});
}
protected override void OnAttachedToLogicalTree(LogicalTreeAttachmentEventArgs e)
{
base.OnAttachedToLogicalTree(e);
_parent = this.FindLogicalAncestorOfType<MultiComboBox>();
if(this.IsSelected)
_parent?.SelectedItems?.Add(this.DataContext);
}
protected override void OnPointerPressed(PointerPressedEventArgs e)
{
base.OnPointerPressed(e);