public function PublicFieldInfoEntity::getFormSchemaAllowedValues in RESTful 7.2

Get allowed values for the form schema.

Using Field API's "Options" module to get the allowed values.

Return value

mixed The allowed values or NULL if none found.

Overrides PublicFieldInfoEntityInterface::getFormSchemaAllowedValues

File

src/Plugin/resource/Field/PublicFieldInfo/PublicFieldInfoEntity.php, line 57

Contains \Drupal\restful\Plugin\resource\Field\PublicFieldInfo\PublicFieldInfoEntity.

Class

PublicFieldInfoEntity

Namespace

Drupal\restful\Plugin\resource\Field\PublicFieldInfo

Code

public function getFormSchemaAllowedValues() {
  if (!module_exists('options')) {
    return NULL;
  }
  $field_name = $this->property;
  if (!($field_info = field_info_field($field_name))) {
    return NULL;
  }
  if (!($field_instance = field_info_instance($this->entityType, $field_name, $this->bundle))) {
    return NULL;
  }
  if (!$this::formSchemaHasAllowedValues($field_info, $field_instance)) {

    // Field doesn't have allowed values.
    return NULL;
  }

  // Use Field API's widget to get the allowed values.
  $type = str_replace('options_', '', $field_instance['widget']['type']);
  $multiple = $field_info['cardinality'] > 1 || $field_info['cardinality'] == FIELD_CARDINALITY_UNLIMITED;

  // Always pass TRUE for "required" and "has_value", as we don't want to get
  // the "none" option.
  $required = TRUE;
  $has_value = TRUE;
  $properties = _options_properties($type, $multiple, $required, $has_value);

  // Mock an entity.
  $values = array();
  $entity_info = $this
    ->getEntityInfo();
  if (!empty($entity_info['entity keys']['bundle'])) {

    // Set the bundle of the entity.
    $values[$entity_info['entity keys']['bundle']] = $this->bundle;
  }
  $entity = entity_create($this->entityType, $values);
  return _options_get_options($field_info, $field_instance, $properties, $this->entityType, $entity);
}