/**
  * Changement de classe
  */
 public function processChangeClassroom()
 {
     if (CopixRequest::isXmlHttpRequest()) {
         return new CopixActionReturn(CopixActionReturn::HTTPCODE, array('Content-Type: text/html; charset=utf-8', 'HTTP/1.1 200 OK'), CopixZone::process('gestionautonome|changeClassroom'));
     }
     $ppo = $this->_prepareAssignmentsManagement();
     // Mise en session de l'année scolaire de destination
     $ppo->filters['destinationGrade'] = isset($ppo->classroom) ? $ppo->classroom->annee_scol : (is_null(_sessionGet('grade')) ? Kernel::getAnneeScolaireCourante()->id_as : _sessionGet('grade'));
     $ppo->filters['mode'] = 'changeClassroom';
     _sessionSet('gestionautonome|assignments_management_filters', $ppo->filters);
     return _arPPO($ppo, 'manage_assignments.tpl');
 }