public function executeChangeRole($request)
{
$this->form = new ChangeRoleForm(array(), array('actual_user' => $this->getUser()));
$values = $request->getParameter($this->form->getName());
if (isset($values['roles']) && !empty($values['roles'])) {
$this->getUser()->clearCredentials();
$new_login_role = sfGuardGroupPeer::retrieveByPK($values['roles']);
$this->getUser()->setLoginRole($new_login_role->getName());
//die(var_dump($this->getUser()->getAttribute('login_role')));
$this->getUser()->addCredentials(sfGuardPermissionPeer::retrieveAllCredentialsForARole(sfGuardGroupPeer::retrieveByName($this->getUser()->getLoginRole())));
}
return $this->redirect("mainBackend/index");
}