/**
  * {@inheritdoc}
  */
 public function addFilter(DatagridInterface $datagrid, $type, FieldDescriptionInterface $fieldDescription, AdminInterface $admin)
 {
     if ($type == null) {
         $guessType = $this->guesser->guessType($admin->getClass(), $fieldDescription->getName(), $admin->getModelManager());
         $type = $guessType->getType();
         $fieldDescription->setType($type);
         $options = $guessType->getOptions();
         foreach ($options as $name => $value) {
             if (is_array($value)) {
                 $fieldDescription->setOption($name, array_merge($value, $fieldDescription->getOption($name, array())));
             } else {
                 $fieldDescription->setOption($name, $fieldDescription->getOption($name, $value));
             }
         }
     } else {
         $fieldDescription->setType($type);
     }
     $this->fixFieldDescription($admin, $fieldDescription);
     $admin->addFilterFieldDescription($fieldDescription->getName(), $fieldDescription);
     $fieldDescription->mergeOption('field_options', array('required' => false));
     if ($type === 'doctrine_orm_model_autocomplete') {
         $fieldDescription->mergeOption('field_options', array('class' => $fieldDescription->getTargetEntity(), 'model_manager' => $fieldDescription->getAdmin()->getModelManager(), 'admin_code' => $admin->getCode(), 'context' => 'filter'));
     }
     $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);
 }
 /**
  * {@inheritdoc}
  *
  * @return FilterInterface
  */
 public function addFilter(DatagridInterface $datagrid, $type, FieldDescriptionInterface $fieldDescription, AdminInterface $admin)
 {
     if ($type == null) {
         $guessType = $this->guesser->guessType($admin->getClass(), $fieldDescription->getName(), $admin->getModelManager());
         $type = $guessType->getType();
         $fieldDescription->setType($type);
         $options = $guessType->getOptions();
         foreach ($options as $name => $value) {
             if (is_array($value)) {
                 $fieldDescription->setOption($name, array_merge($value, $fieldDescription->getOption($name, array())));
             } else {
                 $fieldDescription->setOption($name, $fieldDescription->getOption($name, $value));
             }
         }
     } 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'));
     }
     return $datagrid->addFilter($filter);
 }