Makes first and last focusable view in BasePathEditorControl use ProxyRowResponder

1 files changed, 25 insertions, 1 deletions

diff --git a/Xamarin.PropertyEditing.Mac/Controls/BasePathEditorControl.cs b/Xamarin.PropertyEditing.Mac/Controls/BasePathEditorControl.cs
index 923281e..9164f8d 100644
--- a/Xamarin.PropertyEditing.Mac/Controls/BasePathEditorControl.cs
+++ b/Xamarin.PropertyEditing.Mac/Controls/BasePathEditorControl.cs
@@ -23,11 +23,35 @@ namespace Xamarin.PropertyEditing.Mac
 		private readonly NSObject[] objects;

 		public override NSObject[] AccessibilityChildren { get => this.objects; }

 

+		private readonly TextNextResponderDelegate textNextResponderDelegate;
+
+		class BasePathEditordDelegate : TextNextResponderDelegate
+		{
+			WeakReference<BasePathEditorControl<T>> weakView;
+
+			public BasePathEditordDelegate (BasePathEditorControl<T> basePathEditorControl)
+			{
+				weakView = new WeakReference<BasePathEditorControl<T>>(basePathEditorControl);
+			}
+
+			public override void Changed (NSNotification notification)
+			{
+				if (this.weakView.TryGetTarget(out BasePathEditorControl<T> t)) {
+					t.StoreCurrentValue ();
+				}
+			}
+		}
+
 		protected BasePathEditorControl (IHostResourceProvider hostResource)

 			: base (hostResource)

 		{

 			this.currentTextField = new TextFieldSmallButtonContainer ();

-			this.currentTextField.Changed += CurrentTextField_Changed;
+
+			this.textNextResponderDelegate = new BasePathEditordDelegate (this)
+			{
+				ResponderProxy = new ProxyRowResponder(this, ProxyRowType.SingleView)
+			};
+			this.currentTextField.Delegate = this.textNextResponderDelegate;
 			AddSubview (this.currentTextField);
 
 			#region Reveal handler