refactoring link target refreshing in landing showcase diagram

Blazor-Diagrams · Oct 22, 2023 · 95a9734 · 95a9734
1 parent ff0fd5a
commit 95a9734
Showing 1 changed file with 5 additions and 2 deletions.
diff --git a/site/Site/Components/Landing/LandingShowcaseDiagram.razor.cs b/site/Site/Components/Landing/LandingShowcaseDiagram.razor.cs
@@ -67,9 +67,12 @@ private void OnLinkAdded(BaseLinkModel link)
 
     private void OnLinKTargetChanged(BaseLinkModel link, Anchor? oldTarget, Anchor? newTarget)
     {
-        if (link.IsAttached && newTarget is not null)
+        // only refresh on the first time the link is attached
+        if (oldTarget is PositionAnchor 
+            && newTarget.Model is PortModel targetModel
+            && link.IsAttached)        
         {
-            (newTarget.Model as PortModel)!.Parent.Refresh();
+            targetModel.Parent.Refresh();
         }
     }