wip

panning.js

@@ -101,10 +101,25 @@ export const panning = function(superClass) {
           this.targetElement.style.transform = 
             `translate(${this.currentX}px, ${this.currentY}px)`;
         }
+    
+        this.requestUpdate();
       }
     }
 
     _endDrag() {
+      if (this.isDragging && this.targetElement instanceof TpFlowNode) {
+        this._dispatchChangeEvent({
+          type: 'node-moved',
+          data: {
+            nodeId: this.targetElement.id,
+            position: {
+              x: this.currentX,
+              y: this.currentY
+            }
+          }
+        });
+      }
+      
       this.isDragging = false;
       this.targetElement = null;
     }