[Port] [6000.0] [VFX][Fix] Remove VFXEdgeDragInfo

Author: Evergreen

Packages/com.unity.visualeffectgraph/Editor/GraphView/Elements/VFXEdgeConnector.cs

@@ -33,35 +33,6 @@ protected override void OnMouseMove(MouseMoveEvent e)
 
             s_PickedList.Clear();
             view.panel.PickAll(e.mousePosition, s_PickedList);
-
-            VFXDataAnchor anchor = s_PickedList.OfType<VFXDataAnchor>().FirstOrDefault();
-
-            if (anchor != null)
-                view.StartEdgeDragInfo(this.edgeDragHelper.draggedPort as VFXDataAnchor, anchor);
-            else
-                view.StopEdgeDragInfo();
-        }
-
-        protected override void OnMouseUp(MouseUpEvent e)
-        {
-            base.OnMouseUp(e);
-
-            if (!e.isPropagationStopped)
-                return;
-
-            VFXView view = m_Anchor.GetFirstAncestorOfType<VFXView>();
-            if (view == null)
-                return;
-            view.StopEdgeDragInfo();
-        }
-
-        protected override void Abort()
-        {
-            base.Abort();
-            if (m_Anchor.GetFirstAncestorOfType<VFXView>() is { } view)
-            {
-                view.StopEdgeDragInfo();
-            }
         }
 
         static List<VisualElement> s_PickedList = new List<VisualElement>();

Packages/com.unity.visualeffectgraph/Editor/GraphView/Elements/VFXEdgeDragInfo.cs

@@ -46,70 +46,6 @@ private static AssetMoveResult OnWillMoveAsset(string sourcePath, string destina
         }
     }
 
-    class EdgeDragInfo : VisualElement
-    {
-        VFXView m_View;
-        public EdgeDragInfo(VFXView view)
-        {
-            m_View = view;
-            var tpl = Resources.Load<VisualTreeAsset>("uxml/EdgeDragInfo");
-            tpl.CloneTree(this);
-
-            this.AddStyleSheetPath("EdgeDragInfo");
-
-            m_Text = this.Q<Label>("title");
-
-            pickingMode = PickingMode.Ignore;
-            m_Text.pickingMode = PickingMode.Ignore;
-        }
-
-        Label m_Text;
-
-        public void StartEdgeDragInfo(VFXDataAnchor draggedAnchor, VFXDataAnchor overAnchor)
-        {
-            string error = null;
-            if (draggedAnchor != overAnchor)
-            {
-                if (draggedAnchor.direction == overAnchor.direction)
-                {
-                    if (draggedAnchor.direction == Direction.Input)
-                        error = "You must link an input to an output";
-                    else
-                        error = "You must link an output to an input";
-                }
-                else if (draggedAnchor.controller.connections.Any(t => draggedAnchor.direction == Direction.Input ? t.output == overAnchor.controller : t.input == overAnchor.controller))
-                {
-                    error = "An edge with the same input and output already exists";
-                }
-                else if (!draggedAnchor.controller.model.CanLink(overAnchor.controller.model))
-                {
-                    error = "The input and output have incompatible types";
-                }
-                else
-                {
-                    bool can = draggedAnchor.controller.CanLink(overAnchor.controller);
-
-                    if (!can)
-                    {
-                        if (!draggedAnchor.controller.CanLinkToNode(overAnchor.controller.sourceNode, null))
-                            error = "The edge would create a loop in the operators";
-                        else
-                            error = "Link impossible for an unknown reason";
-                    }
-                }
-            }
-            if (error == null)
-                style.display = DisplayStyle.None;
-            else
-                m_Text.text = error;
-
-            var layout = overAnchor.connector.parent.ChangeCoordinatesTo(m_View, overAnchor.connector.layout);
-
-            style.top = layout.yMax + 16;
-            style.left = layout.xMax;
-        }
-    }
-
     struct VFXViewSettings
     {
         private bool m_IsAttachedLocked;
@@ -3307,26 +3243,6 @@ public void AssetMoved()
             }
         }
 
-        VFXEdgeDragInfo m_EdgeDragInfo;
-
-        public void StartEdgeDragInfo(VFXDataAnchor draggerAnchor, VFXDataAnchor overAnchor)
-        {
-            if (m_EdgeDragInfo == null)
-            {
-                m_EdgeDragInfo = new VFXEdgeDragInfo(this);
-                Add(m_EdgeDragInfo);
-                m_EdgeDragInfo.style.display = DisplayStyle.None;
-            }
-
-            m_EdgeDragInfo.StartEdgeDragInfo(draggerAnchor, overAnchor);
-        }
-
-        public void StopEdgeDragInfo()
-        {
-            if (m_EdgeDragInfo != null)
-                m_EdgeDragInfo.StopEdgeDragInfo();
-        }
-
         public void DuplicateBlackboardFieldSelection()
         {
             var selectedBlackFields = selection