From d7786e79a5bdd8d10084baaa44a0d62ba2a6ae9e Mon Sep 17 00:00:00 2001
From: j <0x006A@0x2620.org>
Date: Sun, 14 Jul 2013 13:48:41 +0000
Subject: [PATCH] only index+ is sortable

---
 source/Ox.UI/js/Video/ClipPanel.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/source/Ox.UI/js/Video/ClipPanel.js b/source/Ox.UI/js/Video/ClipPanel.js
index 0c29aeb7..93635bdf 100644
--- a/source/Ox.UI/js/Video/ClipPanel.js
+++ b/source/Ox.UI/js/Video/ClipPanel.js
@@ -271,7 +271,10 @@ Ox.ClipPanel = function(options, self) {
     }
 
     function isSortable() {
-        return self.options.editable && self.options.sort[0].key == 'index';
+        return self.options.editable
+            && self.options.sort && self.options.sort.length
+            && self.options.sort[0].key == 'index'
+            && self.options.sort[0].operator == '+';
     }
 
     function updateSortElement() {