/**
* @param \Sonata\AdminBundle\Admin\AdminInterface $admin
* @param array $values
* @return \Sonata\AdminBundle\Datagrid\DatagridInterface
*/
public function getBaseDatagrid(AdminInterface $admin, array $values = array())
{
$queryBuilder = $admin->getModelManager()->createQuery($admin->getClass());
$query = new ProxyQuery($queryBuilder);
$pager = new Pager();
$pager->setCountColumn($admin->getModelManager()->getIdentifierFieldNames($admin->getClass()));
$formBuilder = $this->formFactory->createNamedBuilder('form', 'filter', array(), array('csrf_protection' => false));
return new Datagrid($query, $admin->getList(), $pager, $formBuilder, $values);
}