Adds new override for components, onInit()

modules/cms/classes/ComponentBase.php

@@ -87,6 +87,11 @@ abstract class ComponentBase extends Extendable
         return base_path() . Config::get('cms.pluginsDir') . $this->dirName;
     }
 
+    /**
+     * Executed when this component is first initialized, before AJAX requests.
+     */
+    public function onInit() {}
+
     /**
      * Executed when this component is bound to a page or layout.
      */

modules/cms/classes/Controller.php

@@ -273,6 +273,7 @@ class Controller extends BaseController
             $this->vars[$alias] = $this->page->components[$alias] = $componentObj;
         }
 
+        $componentObj->onInit();
         return $componentObj;
     }