public static function EntityReferenceDisplayFormatterTrait::isApplicable in Entity Reference Display 8

File

src/Plugin/Field/FieldFormatter/EntityReferenceDisplayFormatterTrait.php, line 88

Class

EntityReferenceDisplayFormatterTrait

Plugin trait for the 'entity_reference_display' formatters.

Namespace

Drupal\entity_reference_display\Plugin\Field\FieldFormatter

Code

public static function isApplicable(FieldDefinitionInterface $field_definition) {

  // Get all fields associated with current entity.
  $entity_type = $field_definition
    ->getTargetEntityTypeId();
  $entity_bundle = $field_definition
    ->getTargetBundle();
  if (!empty($entity_bundle)) {
    $entity_fields = \Drupal::service('entity_field.manager')
      ->getFieldDefinitions($entity_type, $entity_bundle);

    /** @var \Drupal\Core\Field\FieldDefinitionInterface $field */
    foreach ($entity_fields as $field) {

      // Formatter is only available for entity types with display mode field.
      if ($field
        ->getType() == 'entity_reference_display') {
        return TRUE;
      }
    }
  }
  return FALSE;
}