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feat: add remove command support.

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This commit is contained in:
rabbitism
2024-03-26 02:56:14 +08:00
parent 6993cdd7ab
commit bc4262efc8
5 changed files with 133 additions and 24 deletions
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37
src/Ursa/Controls/ComboBox/MultiComboBox.cs
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@@ -7,13 +7,18 @@ using Avalonia.Controls;
using Avalonia.Controls.Metadata;
using Avalonia.Controls.Primitives;
using Avalonia.Controls.Templates;
using Avalonia.Input;
using Avalonia.Interactivity;
using Irihi.Avalonia.Shared.Helpers;
namespace Ursa.Controls;
[TemplatePart(PART_BackgroundBorder, typeof(Border))]
public class MultiComboBox: SelectingItemsControl
{
public const string PART_BackgroundBorder = "PART_BackgroundBorder";
private Border? _rootBorder;
private static ITemplate<Panel?> _defaultPanel = new FuncTemplate<Panel?>(() => new VirtualizingStackPanel());
public static readonly StyledProperty<bool> IsDropDownOpenProperty =
@@ -60,9 +65,18 @@ public class MultiComboBox: SelectingItemsControl
return new MultiComboBoxItem();
}
protected override void PrepareContainerForItemOverride(Control container, object? item, int index)
protected override void OnApplyTemplate(TemplateAppliedEventArgs e)
{
base.PrepareContainerForItemOverride(container, item, index);
base.OnApplyTemplate(e);
PointerPressedEvent.RemoveHandler(OnBackgroundPointerPressed, _rootBorder);
_rootBorder = e.NameScope.Find<Border>(PART_BackgroundBorder);
PointerPressedEvent.AddHandler(OnBackgroundPointerPressed, _rootBorder);
}
private void OnBackgroundPointerPressed(object sender, PointerPressedEventArgs e)
{
SetCurrentValue(IsDropDownOpenProperty, !IsDropDownOpen);
}
internal void ItemFocused(MultiComboBoxItem dropDownItem)
@@ -72,4 +86,23 @@ public class MultiComboBox: SelectingItemsControl
dropDownItem.BringIntoView();
}
}
public void Remove(object? o)
{
if (o is StyledElement s)
{
var data = s.DataContext;
this.SelectedItems?.Remove(data);
var item = this.Items.FirstOrDefault(a => ReferenceEquals(a, data));
if (item is not null)
{
var container = ContainerFromItem(item);
if (container is MultiComboBoxItem t)
{
t.IsSelected = false;
}
}
}
}
}