Merge pull request SortableJS#943 from FurnaceCMS/master

Handles inside polymer elements

Sortable.js

@@ -262,10 +262,9 @@
 				type = evt.type,
 				touch = evt.touches && evt.touches[0],
 				target = (touch || evt).target,
-				originalTarget = target,
+				originalTarget = evt.target.shadowRoot && evt.path[0] || target,
 				filter = options.filter;
 
-
 			if (type === 'mousedown' && evt.button !== 0 || options.disabled) {
 				return; // only left button or enabled
 			}
@@ -1003,13 +1002,15 @@
 					return el;
 				}
 			}
-			while (el !== ctx && (el = el.parentNode));
+			while (el = ('host' in el) ? el.host : el.parentNode)
 		}
 
 		return null;
 	}
 
 
+
+
 	function _globalDragOver(/**Event*/evt) {
 		if (evt.dataTransfer) {
 			evt.dataTransfer.dropEffect = 'move';