feat: disable contextual menu

Author: SolarianZ

Editor/Scripts/GraphView/PlayableGraphView.cs

@@ -51,6 +51,12 @@ public void Update(PlayableGraph playableGraph)
         }
 
 
+        public override void BuildContextualMenu(ContextualMenuPopulateEvent evt)
+        {
+            // disable contextual menu
+            //base.BuildContextualMenu(evt);
+        }
+
         private void ClearView()
         {
             foreach (var playableOutputNode in _rootOutputNodes)

Editor/Scripts/Node/GraphViewNode.cs

@@ -2,6 +2,7 @@
 using System.Text;
 using UnityEditor.Experimental.GraphView;
 using UnityEngine;
+using UnityEngine.UIElements;
 using UEdge = UnityEditor.Experimental.GraphView.Edge;
 using UGraphView = UnityEditor.Experimental.GraphView.GraphView;
 using UNode = UnityEditor.Experimental.GraphView.Node;
@@ -76,6 +77,12 @@ public string GetStateDescription()
         }
 
 
+        public override void BuildContextualMenu(ContextualMenuPopulateEvent evt)
+        {
+            // disable contextual menu
+            //base.BuildContextualMenu(evt);
+        }
+
         protected abstract void AppendStateDescriptions(StringBuilder descBuilder);
 
         #endregion