/**
  * Handles the creation of mock children with {@link MockDataBuilder}
  *
  * @param array $data The data passed in from the form
  * @param CMSForm $form The Form object that was used
  * @return SSViewer
  */
 public function doAddMockChildren($data, $form)
 {
     $parentPage = SiteTree::get()->byID((int) $data['ID']);
     if (!$parentPage) {
         return false;
     }
     $className = isset($data['PageType']) ? $data['PageType'] : "Page";
     $builder = new MockDataBuilder($className);
     $builder->setCount((int) $data['Count'])->setIncludeRelations((bool) $data['IncludeRelations'])->setDownloadImages((bool) $data['DownloadImages'])->setParentField("ParentID")->setParentObj($parentPage);
     try {
         $ids = $builder->generate();
     } catch (Exception $e) {
         $form->sessionMessage($e->getMessage(), "bad");
         return $this->redirectBack();
     }
     $this->response->addHeader('X-Status', _t('MockData.CREATESUCCESS', 'Created {count} mock children under {title}', array('count' => $data['Count'], 'title' => $parentPage->Title)));
     $this->redirect(Controller::join_links(singleton('CMSPagesController')->Link()));
     return $this->getResponseNegotiator()->respond($this->request);
 }