From 7603206b3ddd6324a8fe02284f600961ab5ffca0 Mon Sep 17 00:00:00 2001
From: rabbitism <dongbin@irihi.tech>
Date: Tue, 16 Sep 2025 18:35:21 +0800
Subject: [PATCH] feat: avoid adding new item when there is not selection in
 ListBox.

---
 src/Ursa/Controls/AutoCompleteBox/MultiAutoCompleteBox.cs      | 3 ---
 .../AutoCompleteBox/MultiAutoCompleteSelectionAdapter.cs       | 1 +
 2 files changed, 1 insertion(+), 3 deletions(-)

diff --git a/src/Ursa/Controls/AutoCompleteBox/MultiAutoCompleteBox.cs b/src/Ursa/Controls/AutoCompleteBox/MultiAutoCompleteBox.cs
index ae53ca5..c5b8030 100644
--- a/src/Ursa/Controls/AutoCompleteBox/MultiAutoCompleteBox.cs
+++ b/src/Ursa/Controls/AutoCompleteBox/MultiAutoCompleteBox.cs
@@ -1564,10 +1564,7 @@ public partial class MultiAutoCompleteBox : TemplatedControl, IInnerContentContr
     /// <param name="e">The selection changed event data.</param>
     private void OnAdapterSelectionChanged(object? sender, SelectionChangedEventArgs e)
     {
-        // TODO set selection.
-        // SetCurrentValue(SelectedItemProperty, _adapter!.SelectedItem);
         SelectedItems?.Add(_adapter?.SelectedItem);
-        // UpdateTextValue(null);
     }
 
     //TODO Check UpdateTextCompletion
diff --git a/src/Ursa/Controls/AutoCompleteBox/MultiAutoCompleteSelectionAdapter.cs b/src/Ursa/Controls/AutoCompleteBox/MultiAutoCompleteSelectionAdapter.cs
index 2f08c53..a8a0116 100644
--- a/src/Ursa/Controls/AutoCompleteBox/MultiAutoCompleteSelectionAdapter.cs
+++ b/src/Ursa/Controls/AutoCompleteBox/MultiAutoCompleteSelectionAdapter.cs
@@ -258,6 +258,7 @@ public class MultiAutoCompleteSelectionAdapter : ISelectionAdapter
     /// </summary>
     internal void OnCommit()
     {
+        if (_previewSelectedItem is null) return;
         SelectedItem = _previewSelectedItem;
         SelectionChanged?.Invoke(this,
             new SelectionChangedEventArgs(