public function getPagePropertiesForm($config)
 {
     $c = $config['component'];
     if ($config['mode'] == 'add' || $c->isPage) {
         $form = Kwc_Admin::getInstance(Kwc_Abstract::getSetting($this->_class, 'masterComponentClass'))->getPagePropertiesForm($config);
         $form->setIdTemplate('{0}-child');
         $ret = new Kwf_Form();
         $ret->setModel(new Kwf_Model_FnF());
         $ret->setCreateMissingRow(true);
         $ret->add($form);
         return $ret;
     }
     return null;
 }