Adds 'originalEvent' property to events to expose original DragEvent

Sortable.js

@@ -919,21 +919,21 @@
 					_toggleClass(dragEl, this.options.chosenClass, false);
 
 					// Drag stop event
-					_dispatchEvent(this, rootEl, 'unchoose', dragEl, rootEl, oldIndex);
+					_dispatchEvent(this, rootEl, 'unchoose', dragEl, rootEl, oldIndex, null, evt);
 
 					if (rootEl !== parentEl) {
 						newIndex = _index(dragEl, options.draggable);
 
 						if (newIndex >= 0) {
 							// Add event
-							_dispatchEvent(null, parentEl, 'add', dragEl, rootEl, oldIndex, newIndex);
+							_dispatchEvent(null, parentEl, 'add', dragEl, rootEl, oldIndex, newIndex, evt);
 
 							// Remove event
-							_dispatchEvent(this, rootEl, 'remove', dragEl, rootEl, oldIndex, newIndex);
+							_dispatchEvent(this, rootEl, 'remove', dragEl, rootEl, oldIndex, newIndex, evt);
 
 							// drag from one list and drop into another
-							_dispatchEvent(null, parentEl, 'sort', dragEl, rootEl, oldIndex, newIndex);
-							_dispatchEvent(this, rootEl, 'sort', dragEl, rootEl, oldIndex, newIndex);
+							_dispatchEvent(null, parentEl, 'sort', dragEl, rootEl, oldIndex, newIndex, evt);
+							_dispatchEvent(this, rootEl, 'sort', dragEl, rootEl, oldIndex, newIndex, evt);
 						}
 					}
 					else {
@@ -943,8 +943,8 @@
 
 							if (newIndex >= 0) {
 								// drag & drop within the same list
-								_dispatchEvent(this, rootEl, 'update', dragEl, rootEl, oldIndex, newIndex);
-								_dispatchEvent(this, rootEl, 'sort', dragEl, rootEl, oldIndex, newIndex);
+								_dispatchEvent(this, rootEl, 'update', dragEl, rootEl, oldIndex, newIndex, evt);
+								_dispatchEvent(this, rootEl, 'sort', dragEl, rootEl, oldIndex, newIndex, evt);
 							}
 						}
 					}
@@ -955,7 +955,7 @@
 							newIndex = oldIndex;
 						}
 
-						_dispatchEvent(this, rootEl, 'end', dragEl, rootEl, oldIndex, newIndex);
+						_dispatchEvent(this, rootEl, 'end', dragEl, rootEl, oldIndex, newIndex, evt);
 
 						// Save sorting
 						this.save();
@@ -1260,7 +1260,7 @@
 
 
 
-	function _dispatchEvent(sortable, rootEl, name, targetEl, fromEl, startIndex, newIndex) {
+	function _dispatchEvent(sortable, rootEl, name, targetEl, fromEl, startIndex, newIndex, originalEvt) {
 		sortable = (sortable || rootEl[expando]);
 
 		var evt = document.createEvent('Event'),
@@ -1277,6 +1277,8 @@
 		evt.oldIndex = startIndex;
 		evt.newIndex = newIndex;
 
+		evt.originalEvent = originalEvt;
+
 		rootEl.dispatchEvent(evt);
 
 		if (options[onName]) {
@@ -1302,6 +1304,8 @@
 		evt.relatedRect = targetRect || toEl.getBoundingClientRect();
 		evt.willInsertAfter = willInsertAfter;
 
+		evt.originalEvent = originalEvt;
+
 		fromEl.dispatchEvent(evt);
 
 		if (onMoveFn) {