protected function renderRightSideFormLayoutForEdit($form)
 {
     assert('$form instanceof ZurmoActiveForm');
     $content = parent::renderRightSideFormLayoutForEdit($form);
     if ($this->getModel() instanceof OwnedSecurableItem) {
         $content .= "<h3>" . Zurmo::t('ZurmoModule', 'Rights and Permissions') . '</h3><div id="owner-box">';
         $element = new UserElement($this->getModel(), 'owner', $form);
         $element->editableTemplate = '{label}{content}{error}';
         $content .= $element->render() . '</div>';
         $element = new DerivedExplicitReadWriteModelPermissionsElement($this->getModel(), 'null', $form);
         $element->editableTemplate = '{label}{content}{error}';
         $content .= $element->render();
     }
     return $content;
 }