Feature #67: Advanced document template events

OnGenerated and OnImportAttachment allow advanced users to enter
expressions which will be evaluated whenever these document
template/importing events are triggered. This enables greater
automation.

Disco.Web/ClientSource/Scripts/Modules/Disco-PropertyChangeHelpers/disco.propertychangehelpers.js

@@ -60,7 +60,9 @@ if (!document.DiscoFunctions.PropertyChangeHelper) {
         if (PropertyField[0].nodeName.toLowerCase() == 'textarea') {
             PropertyField.keydown(function () {
                 $ajaxSave.show();
-            })
+            }).blur(function () {
+                $ajaxSave.hide();
+            });
         }
     }
 };