From 84c870d3062bdd3bedce7df60ed557a24d51196e Mon Sep 17 00:00:00 2001
From: Max Franz <maxkfranz@gmail.com>
Date: Mon, 9 Jul 2018 15:22:05 -0400
Subject: [PATCH] Update the touch event handlers in the renderer for dragging
 nodes to use `nodes.silentShift()`

Ref #1881
---
 .../renderer/base/load-listeners.js           | 35 +++++++++----------
 1 file changed, 16 insertions(+), 19 deletions(-)

diff --git a/src/extensions/renderer/base/load-listeners.js b/src/extensions/renderer/base/load-listeners.js
index f471d19260..9c8bc6de42 100644
--- a/src/extensions/renderer/base/load-listeners.js
+++ b/src/extensions/renderer/base/load-listeners.js
@@ -820,8 +820,6 @@ BRp.load = function(){
 
             var tcol = cy.collection( toTrigger );
 
-            // TODO apply same change to touch
-            //
             ( tcol
               .silentShift( totalShift )
               .emit('position drag')
@@ -1636,28 +1634,22 @@ BRp.load = function(){
             addNodesToDrag( cy.collection( draggedEles ), { inDragLayer: true } );
           }
 
-          for( var k = 0; k < draggedEles.length; k++ ){
-            var draggedEle = draggedEles[ k ];
+          r.dragData.didDrag = true;
 
-            if( r.nodeIsDraggable( draggedEle ) && draggedEle.grabbed() ){
-              r.dragData.didDrag = true;
-              var dPos = draggedEle.position();
+          var totalShift = { x: 0, y: 0 };
 
-              if( is.number( disp[0] ) && is.number( disp[1] ) ){
-                dPos.x += disp[0];
-                dPos.y += disp[1];
-              }
-
-              if( justStartedDrag ){
-                r.redrawHint( 'eles', true );
+          if( is.number( disp[0] ) && is.number( disp[1] ) ){
+            totalShift.x += disp[0];
+            totalShift.y += disp[1];
 
-                var dragDelta = r.touchData.dragDelta;
+            if( justStartedDrag ){
+              r.redrawHint( 'eles', true );
 
-                if( dragDelta && is.number( dragDelta[0] ) && is.number( dragDelta[1] ) ){
-                  dPos.x += dragDelta[0];
-                  dPos.y += dragDelta[1];
-                }
+              var dragDelta = r.touchData.dragDelta;
 
+              if( dragDelta && is.number( dragDelta[0] ) && is.number( dragDelta[1] ) ){
+                totalShift.x += dragDelta[0];
+                totalShift.y += dragDelta[1];
               }
             }
           }
@@ -1669,6 +1661,11 @@ BRp.load = function(){
 
           r.hoverData.draggingEles = true;
 
+          ( tcol
+            .silentShift( totalShift )
+            .emit('position drag')
+          );
+
           r.redrawHint( 'drag', true );
 
           if(