From 58cc1d93e601a82f3962959173393ff8802a2dd8 Mon Sep 17 00:00:00 2001
From: yotamberk <yotamberk@gmail.com>
Date: Fri, 9 Dec 2016 19:56:48 +0200
Subject: [PATCH] fix: #2422 Timeline onMove callback (#2427)

* Fix redraw order
* Fix calling dragStart mote than once
---
 lib/timeline/component/ItemSet.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/timeline/component/ItemSet.js b/lib/timeline/component/ItemSet.js
index a7e50cd2..5ae07ade 100644
--- a/lib/timeline/component/ItemSet.js
+++ b/lib/timeline/component/ItemSet.js
@@ -1213,6 +1213,7 @@ ItemSet.prototype._getGroupIndex = function(groupId) {
  * @private
  */
 ItemSet.prototype._onDragStart = function (event) {
+  if (this.touchParams.itemIsDragging) { return; }
   var item = this.touchParams.item || null;
   var me = this;
   var props;