DYN-9089: Open dropdown on first text input hit (#16379)

chubakueno · web-flow · commit a62e22bac100 · 2025-07-15T07:26:31.000-06:00
diff --git a/src/NodeAutoCompleteViewExtension/ViewModels/NodeAutoCompleteBarViewModel.cs b/src/NodeAutoCompleteViewExtension/ViewModels/NodeAutoCompleteBarViewModel.cs
@@ -1109,7 +1109,6 @@ internal void PopulateAutoComplete()
                     }
                     // this runs synchronously on the UI thread, so the UI can't disappear during execution
                     DropdownResults = comboboxResults;
-                    IsDropDownOpen = true;
                     if (FilteredView.Cast<DNADropdownViewModel>().Any())
                     {
                         SelectedIndex = 0;
diff --git a/src/NodeAutoCompleteViewExtension/Views/NodeAutoCompleteBarView.xaml b/src/NodeAutoCompleteViewExtension/Views/NodeAutoCompleteBarView.xaml
@@ -15,6 +15,7 @@
              ShowInTaskbar="False"
              ResizeMode="NoResize"
              Height="45"
+             PreviewTextInput="NodeAutoCompleteBarView_PreviewTextInput"
              PreviewKeyDown="OnAutoCompleteKeyDown"
         >
     <Window.Style>
diff --git a/src/NodeAutoCompleteViewExtension/Views/NodeAutoCompleteBarView.xaml.cs b/src/NodeAutoCompleteViewExtension/Views/NodeAutoCompleteBarView.xaml.cs
@@ -344,5 +344,15 @@ internal void CloseAutoCompleteWindow(object sender, RoutedEventArgs e)
             OnHideNodeAutoCompleteBar();
         }
 
+        private void NodeAutoCompleteBarView_PreviewTextInput(object sender, TextCompositionEventArgs e)
+        {
+            if(ViewModel != null && ViewModel.HasUnfilteredResults && !ViewModel.IsDropDownOpen)
+            {
+                ViewModel.IsDropDownOpen = true;
+                AutoCompleteSearchBox.Text = e.Text;
+                AutoCompleteSearchBox.CaretIndex = AutoCompleteSearchBox.Text.Length;
+                e.Handled = true;
+            }
+        }
     }
 }

Original file line number	Diff line number	Diff line change
`@@ -1109,7 +1109,6 @@ internal void PopulateAutoComplete()`
`1109`	`1109`	`}`
`1110`	`1110`	`// this runs synchronously on the UI thread, so the UI can't disappear during execution`
`1111`	`1111`	`DropdownResults = comboboxResults;`
`1112`		`- IsDropDownOpen = true;`
`1113`	`1112`	`if (FilteredView.Cast<DNADropdownViewModel>().Any())`
`1114`	`1113`	`{`
`1115`	`1114`	`SelectedIndex = 0;`
Original file line number	Diff line number	Diff line change
`@@ -15,6 +15,7 @@`
`15`	`15`	`ShowInTaskbar="False"`
`16`	`16`	`ResizeMode="NoResize"`
`17`	`17`	`Height="45"`
	`18`	`+ PreviewTextInput="NodeAutoCompleteBarView_PreviewTextInput"`
`18`	`19`	`PreviewKeyDown="OnAutoCompleteKeyDown"`
`19`	`20`	`>`
`20`	`21`	`<Window.Style>`
Original file line number	Diff line number	Diff line change
`@@ -344,5 +344,15 @@ internal void CloseAutoCompleteWindow(object sender, RoutedEventArgs e)`
`344`	`344`	`OnHideNodeAutoCompleteBar();`
`345`	`345`	`}`
`346`	`346`
	`347`	`+ private void NodeAutoCompleteBarView_PreviewTextInput(object sender, TextCompositionEventArgs e)`
	`348`	`+ {`
	`349`	`+ if(ViewModel != null && ViewModel.HasUnfilteredResults && !ViewModel.IsDropDownOpen)`
	`350`	`+ {`
	`351`	`+ ViewModel.IsDropDownOpen = true;`
	`352`	`+ AutoCompleteSearchBox.Text = e.Text;`
	`353`	`+ AutoCompleteSearchBox.CaretIndex = AutoCompleteSearchBox.Text.Length;`
	`354`	`+ e.Handled = true;`
	`355`	`+ }`
	`356`	`+ }`
`347`	`357`	`}`
`348`	`358`	`}`