1 files changed, 16 insertions, 0 deletions
diff --git a/plugins/Morpheus/javascripts/piwikHelper.js b/plugins/Morpheus/javascripts/piwikHelper.js
index 163ea90160..f833b9e15f 100644
--- a/plugins/Morpheus/javascripts/piwikHelper.js
+++ b/plugins/Morpheus/javascripts/piwikHelper.js
@@ -125,6 +125,10 @@ var piwikHelper = {
     compileAngularComponents: function (selector) {
         var $element = $(selector);
 
+        if (!$element.length) {
+            return;
+        }
+
         angular.element(document).injector().invoke(function($compile) {
             var scope = angular.element($element).scope();
             $compile($element)(scope);
@@ -132,6 +136,18 @@ var piwikHelper = {
     },
 
     /**
+     * Detection works currently only for directives defining an isolated scope. Functionality might need to be
+     * extended if needed. Under circumstances you might call this method before calling compileAngularComponents()
+     * to avoid compiling the same element twice.
+     * @param selector
+     */
+    isAlreadyCompiledAngularComponent: function (selector) {
+        var $element = $(selector);
+
+        return ($element.length && $element.hasClass('ng-isolate-scope'));
+    },
+
+    /**
      * Displays a Modal dialog. Text will be taken from the DOM node domSelector.
      * Given callback handles will be mapped to the buttons having a role attriute
      *