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fix: fix an empty selection handling.

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This commit is contained in:
rabbitism
2025-09-16 20:24:05 +08:00
parent 051710affe
commit f4cad108f4
1 changed files with 4 additions and 3 deletions
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7
src/Ursa/Controls/AutoCompleteBox/MultiAutoCompleteBox.cs
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@@ -1570,7 +1570,7 @@ public partial class MultiAutoCompleteBox : TemplatedControl, IInnerContentContr
private void OnAdapterSelectionChanged(object? sender, SelectionChangedEventArgs e) private void OnAdapterSelectionChanged(object? sender, SelectionChangedEventArgs e)
{ {
if (_valueBindingEvaluator is null) return; if (_valueBindingEvaluator is null) return;
UpdateTextValue(_valueBindingEvaluator?.GetDynamicValue(_adapter?.SelectedItem), false); UpdateTextValue(_valueBindingEvaluator?.GetDynamicValue(_adapter?.SelectedItem, true), false);
// SelectedItems?.Add(_adapter?.SelectedItem); // SelectedItems?.Add(_adapter?.SelectedItem);
} }
@@ -1588,6 +1588,7 @@ public partial class MultiAutoCompleteBox : TemplatedControl, IInnerContentContr
// Completion will update the selected value // Completion will update the selected value
//UpdateTextCompletion(false); //UpdateTextCompletion(false);
_ = SelectedItems ?? throw new NullReferenceException("Selected Items collection must be initialized. "); _ = SelectedItems ?? throw new NullReferenceException("Selected Items collection must be initialized. ");
if (_adapter?.SelectedItem is null) return;
SelectedItems?.Add(_adapter?.SelectedItem); SelectedItems?.Add(_adapter?.SelectedItem);
UpdateTextValue(string.Empty, false); UpdateTextValue(string.Empty, false);
@@ -1842,7 +1843,7 @@ public partial class MultiAutoCompleteBox : TemplatedControl, IInnerContentContr
/// context leaf node. /// context leaf node.
/// </summary> /// </summary>
/// <typeparam name="T">The type of dynamic binding to return.</typeparam> /// <typeparam name="T">The type of dynamic binding to return.</typeparam>
public class BindingEvaluator<T> : Control public class BindingEvaluator<T> : StyledElement
{ {
/// <summary> /// <summary>
/// Identifies the Value dependency property. /// Identifies the Value dependency property.
@@ -1920,7 +1921,7 @@ public partial class MultiAutoCompleteBox : TemplatedControl, IInnerContentContr
/// Returns the evaluated T value of the bound dependency /// Returns the evaluated T value of the bound dependency
/// property. /// property.
/// </returns> /// </returns>
public T GetDynamicValue(object o, bool clearDataContext) public T GetDynamicValue(object? o, bool clearDataContext)
{ {
DataContext = o; DataContext = o;
var value = Value; var value = Value;