show drag shadow in firefox by using helper:'clone'

diff --git a/apps/files/js/files.js b/apps/files/js/files.js
index dbd9a64715144fc0b3219435b7ecdc32cd73b14c..d29732f9b3fc2c337aaf4b62db20106a7c327f37 100644 (file)
--- a/apps/files/js/files.js
+++ b/apps/files/js/files.js
@@ -730,7 +730,7 @@ function updateBreadcrumb(breadcrumbHtml) {
 
 //options for file drag/dropp
 var dragOptions={
-       distance: 20, revert: 'invalid', opacity: 0.7,
+       distance: 20, revert: 'invalid', opacity: 0.7, helper: 'clone',
        stop: function(event, ui) {
                $('#fileList tr td.filename').addClass('ui-draggable');
        }