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WIP: start to implement template.

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This commit is contained in:
rabbitism
2025-09-12 16:28:15 +08:00
parent fa7891297b
commit 452e118644
4 changed files with 111 additions and 2 deletions
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24
src/Ursa/Controls/AutoCompleteBox/MultiAutoCompleteBox.Properties.cs
View File

@@ -1,6 +1,7 @@
using System;
using System.Collections;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Threading;
using System.Threading.Tasks;
using Avalonia;
@@ -173,16 +174,39 @@ public partial class MultiAutoCompleteBox
public static readonly StyledProperty<object?> InnerRightContentProperty =
TextBox.InnerRightContentProperty.AddOwner<MultiAutoCompleteBox>();
/// <summary>
/// Defines the <see cref="SelectedItems"/> property
/// </summary>
public static readonly StyledProperty<IList?> SelectedItemsProperty =
AvaloniaProperty.Register<MultiAutoCompleteBox, IList?>(
nameof(SelectedItems));
/// <summary>
/// Gets or sets the currently selected items. It is recommended to use an <see cref="ObservableCollection{T}"/>.
/// This property must be initialized from ViewModel.
/// </summary>
public IList? SelectedItems
{
get => GetValue(SelectedItemsProperty);
set => SetValue(SelectedItemsProperty, value);
}
/// <summary>
/// Identifies the <see cref="SelectedItemTemplate" /> property.
/// </summary>
public static readonly StyledProperty<IDataTemplate?> SelectedItemTemplateProperty =
AvaloniaProperty.Register<MultiAutoCompleteBox, IDataTemplate?>(nameof(SelectedItemTemplate));
/// <summary>
/// Gets or sets the <see cref="T:Avalonia.DataTemplate" /> used to display each item in SelectedItems.
/// </summary>
[InheritDataTypeFromItems(nameof(SelectedItems))]
public IDataTemplate? SelectedItemTemplate
{
get => GetValue(SelectedItemTemplateProperty);
set => SetValue(SelectedItemTemplateProperty, value);
}
/// <summary>
/// Gets or sets the caret index
/// </summary>

21
src/Ursa/Controls/AutoCompleteBox/MultiAutoCompleteBox.cs
View File

@@ -576,6 +576,16 @@ public partial class MultiAutoCompleteBox : TemplatedControl, IInnerContentContr
if (IsDropDownOpen && DropDownPopup != null && !DropDownPopup.IsOpen) OpeningDropDown(false);
base.OnApplyTemplate(e);
_selectedItemsControl = e.NameScope.Find<ItemsControl>(PART_SelectedItemsControl);
}
public const string PART_SelectedItemsControl = "PART_SelectedItemsControl";
private ItemsControl? _selectedItemsControl;
protected override void OnLoaded(RoutedEventArgs e)
{
base.OnLoaded(e);
var textbox = (_selectedItemsControl?.ItemsPanelRoot as WrapPanelWithTrailingItem)?.TrailingItem as TextBox;
}
/// <summary>
@@ -590,7 +600,7 @@ public partial class MultiAutoCompleteBox : TemplatedControl, IInnerContentContr
BindingValueType state,
Exception? error)
{
if (property == TextProperty || property == SelectedItemProperty)
if (property == TextProperty)
{
DataValidationErrors.SetError(this, error);
}
@@ -1257,12 +1267,15 @@ public partial class MultiAutoCompleteBox : TemplatedControl, IInnerContentContr
}
else
{
// TODO implement selection.
/*
SearchText = string.Empty;
if (SelectedItem != null) _skipSelectedItemTextUpdate = true;
SetCurrentValue(SelectedItemProperty, null);
if (IsDropDownOpen) SetCurrentValue(IsDropDownOpenProperty, false);
*/
}
}
@@ -1529,8 +1542,11 @@ public partial class MultiAutoCompleteBox : TemplatedControl, IInnerContentContr
// Update the selected item property
// TODO set selection.
/*
if (SelectedItem != newSelectedItem) _skipSelectedItemTextUpdate = true;
SetCurrentValue(SelectedItemProperty, newSelectedItem);
*/
// Restore updates for TextSelection
if (_ignoreTextSelectionChange)
@@ -1612,7 +1628,8 @@ public partial class MultiAutoCompleteBox : TemplatedControl, IInnerContentContr
/// <param name="e">The selection changed event data.</param>
private void OnAdapterSelectionChanged(object? sender, SelectionChangedEventArgs e)
{
SetCurrentValue(SelectedItemProperty, _adapter!.SelectedItem);
// TODO set selection.
// SetCurrentValue(SelectedItemProperty, _adapter!.SelectedItem);
}
//TODO Check UpdateTextCompletion