/**
  * @param  $formData
  * @param string $entryPoint
  * @return bool
  */
 function tryDeleteClassSubmit($formData, $entryPoint = 'internal')
 {
     $success = OpenStackNovaPuppetGroup::deleteClass($formData['puppetclassid']);
     if ($success) {
         $this->getOutput()->addWikiMsg('openstackmanager-deletedpuppetclass');
     } else {
         $this->getOutput()->addWikiMsg('openstackmanager-failedtodeletepuppetclass');
     }
     $out = '<br />';
     $out .= Linker::link($this->getPageTitle(), $this->msg('openstackmanager-backpuppetgrouplist')->escaped());
     $this->getOutput()->addHTML($out);
     return true;
 }