WI00737678---RemoveDragNodesBehavior---Update-2

src/Blazor.Diagrams.Core/Behaviors/DragMovablesBehavior.cs

@@ -5,17 +5,11 @@
 using Blazor.Diagrams.Core.Models.Base;
 using System;
 using System.Collections.Generic;
-using DiagramPoint = Blazor.Diagrams.Core.Geometry.Point;
 namespace Blazor.Diagrams.Core.Behaviors;
 
 public class DragMovablesBehavior : DragBehavior
 {
-    public record NodeMoveablePositions(Point position)
-    {
-        public Dictionary<NodeModel, DiagramPoint> ChildPositions { get; } = new();
-    }
-
-    protected readonly Dictionary<NodeModel, NodeMoveablePositions> _initialPositions;
+    protected readonly Dictionary<MovableModel, Point> _initialPositions;
     protected double? _lastClientX;
     protected double? _lastClientY;
     protected bool _moved;
@@ -24,7 +18,7 @@ public record NodeMoveablePositions(Point position)
 
     public DragMovablesBehavior(Diagram diagram) : base(diagram)
     {
-        _initialPositions = new Dictionary<NodeModel, NodeMoveablePositions>();
+        _initialPositions = new Dictionary<MovableModel, Point>();
         Diagram.PanChanged += OnPanChanged;
     }
 
@@ -53,7 +47,7 @@ protected override void OnPointerDown(Model? model, PointerEventArgs e)
                     movable.Position.Y + (n.Size?.Height ?? 0) / 2);
             }
 
-            _initialPositions.Add(movable, new NodeMoveablePositions(position));
+            _initialPositions.Add(movable, position);
         }
 
         _lastClientX = e.ClientX;
@@ -79,7 +73,7 @@ protected override void OnPointerMove(Model? model, PointerEventArgs e)
         _lastClientY = e.ClientY;
 
     }
-
+    
     protected virtual void OnPanChanged(double deltaX, double deltaY)
     {
         if (_initialPositions.Count == 0 || _lastClientX == null || _lastClientY == null)
@@ -97,8 +91,8 @@ protected virtual void MoveNodes(double deltaX, double deltaY)
     {
         foreach (var (movable, initialPosition) in _initialPositions)
         {
-            var ndx = ApplyGridSize(deltaX + initialPosition.position.X);
-            var ndy = ApplyGridSize(deltaY + initialPosition.position.Y);
+            var ndx = ApplyGridSize(deltaX + initialPosition.X);
+            var ndy = ApplyGridSize(deltaY + initialPosition.Y);
             if (Diagram.Options.GridSnapToCenter && movable is NodeModel node)
             {
                 node.SetPosition(ndx - (node.Size?.Width ?? 0) / 2, ndy - (node.Size?.Height ?? 0) / 2);