[mac] Fix filter visibility on reuse

1 files changed, 4 insertions, 2 deletions

diff --git a/Xamarin.PropertyEditing.Mac/Controls/Custom/BrushTabViewController.cs b/Xamarin.PropertyEditing.Mac/Controls/Custom/BrushTabViewController.cs
index 7dad34d..9430e25 100644
--- a/Xamarin.PropertyEditing.Mac/Controls/Custom/BrushTabViewController.cs
+++ b/Xamarin.PropertyEditing.Mac/Controls/Custom/BrushTabViewController.cs
@@ -59,7 +59,7 @@ namespace Xamarin.PropertyEditing.Mac
 			existing.IntersectWith (this.brushTypeTable.Keys);

 

 			var removed = new HashSet<CommonBrushType> (this.brushTypeTable.Keys);

-			removed.ExceptWith (existing);

+			removed.ExceptWith (ViewModel?.BrushTypes.Values ?? Array.Empty<CommonBrushType>());

 

 			foreach (var item in removed.Select (t => new { Type = t, Tab = TabView.Items[this.brushTypeTable[t]] }).ToArray ()) {

 				RemoveTabViewItem (item.Tab);

@@ -137,7 +137,9 @@ namespace Xamarin.PropertyEditing.Mac
 
 			if (this.brushTypeTable.TryGetValue (ViewModel.SelectedBrushType, out int index)) {
 				SelectedTabViewItemIndex = index;
-			}

+				this.filterResource.Hidden = ViewModel.SelectedBrushType != CommonBrushType.Resource;
+			} else

+				this.filterResource.Hidden = true;

 
 			this.inhibitSelection = false;
 		}