function EntityField::getValue

Overrides FieldPluginBase::getValue

File

core/modules/views/src/Plugin/views/field/EntityField.php, line 1107

Class

EntityField

A field that displays entity field data.

Namespace

Code

public function getValue(ResultRow $values, $field = NULL) {
  $entity = $this->getEntity($values);
  // Ensure the object is not NULL before attempting to translate it.
  if ($entity === NULL) {
    return NULL;
  }
  // Retrieve the translated object.
  $translated_entity = $this->getEntityFieldRenderer()
    ->getEntityTranslationByRelationship($entity, $values);
  // Some bundles might not have a specific field, in which case the entity
  // (potentially a fake one) doesn't have it either.
  /** @var \Drupal\Core\Field\FieldItemListInterface $field_item_list */
  $field_item_list = $translated_entity->{$this->definition['field_name']} ?? NULL;
  if (!isset($field_item_list)) {
    // There isn't anything we can do without a valid field.
    return NULL;
  }
  $field_item_definition = $field_item_list->getFieldDefinition();
  $values = [];
  foreach ($field_item_list as $field_item) {
    /** @var \Drupal\Core\Field\FieldItemInterface $field_item */
    if ($field) {
      $values[] = $field_item->{$field};
    }
    elseif ($main_property_name = $field_item->mainPropertyName()) {
      $values[] = $field_item->{$main_property_name};
    }
    else {
      $values[] = $field_item->value;
    }
  }
  if ($field_item_definition->getFieldStorageDefinition()
    ->getCardinality() == 1) {
    return reset($values);
  }
  else {
    return $values;
  }
}