/**
* @param DatagridInterface $datagrid
* @param string $type
* @param FieldDescriptionInterface $fieldDescription
* @param AdminInterface $admin
*/
public function addFilter(DatagridInterface $datagrid, $type = null, FieldDescriptionInterface $fieldDescription, AdminInterface $admin)
{
if ($type == null) {
$guessType = $this->guesser->guessType($admin->getClass(), $fieldDescription->getName(), $admin->getModelManager());
$type = $guessType->getType();
$fieldDescription->setType($type);
$fieldDescription->mergeOption('field_options', $guessType->getOptions());
} else {
$fieldDescription->setType($type);
}
$this->fixFieldDescription($admin, $fieldDescription);
$admin->addFilterFieldDescription($fieldDescription->getName(), $fieldDescription);
$fieldDescription->mergeOption('field_options', array('required' => false));
$filter = $this->filterFactory->create($fieldDescription->getName(), $type, $fieldDescription->getOptions());
if (false !== $filter->getLabel() && !$filter->getLabel()) {
$filter->setLabel($admin->getLabelTranslatorStrategy()->getLabel($fieldDescription->getName(), 'filter', 'label'));
}
$datagrid->addFilter($filter);
}
