Merge pull request #1266 from noelheesen/master

Extend scrollCustomFn

README.md

@@ -101,7 +101,7 @@ var sortable = new Sortable(el, {
 	fallbackTolerance: 0, // Specify in pixels how far the mouse should move before it's considered as a drag.
 
 	scroll: true, // or HTMLElement
-	scrollFn: function(offsetX, offsetY, originalEvent) { ... }, // if you have custom scrollbar scrollFn may be used for autoscrolling
+	scrollFn: function(offsetX, offsetY, originalEvent, touchEvt, hoverTargetEl) { ... }, // if you have custom scrollbar scrollFn may be used for autoscrolling
 	scrollSensitivity: 30, // px, how near the mouse must be to an edge to start scrolling.
 	scrollSpeed: 10, // px
 

Sortable.js

@@ -167,7 +167,9 @@
 							scrollOffsetX = vx ? vx * speed : 0;
 
 							if ('function' === typeof(scrollCustomFn)) {
-								return scrollCustomFn.call(_this, scrollOffsetX, scrollOffsetY, evt);
+								if (scrollCustomFn.call(_this, scrollOffsetX, scrollOffsetY, evt, touchEvt, el) !== 'continue') {
+									return;
+								}
 							}
 
 							if (el === win) {