protected function _loadFieldTypeDefinitions() { if (empty(self::$_aFieldTypeDefinitions)) { self::$_aFieldTypeDefinitions = FetchTweets_AdminPageFramework_FieldTypeRegistration::register(array(), $this->oProp->sClassName, $this->oMsg); } $this->oProp->aFieldTypeDefinitions = $this->oUtil->addAndApplyFilters($this, array('field_types_admin_page_framework', "field_types_{$this->oProp->sClassName}"), self::$_aFieldTypeDefinitions); }