function FieldConfig::preSave

Overrides \Drupal\Core\Entity\Entity::preSave().

Throws

\Drupal\Core\Field\FieldException If the field definition is invalid.

\Drupal\Core\Entity\EntityStorageException In case of failures at the configuration storage level.

Overrides ConfigEntityBase::preSave

File

core/modules/field/src/Entity/FieldConfig.php, line 163

Class

FieldConfig

Defines the Field entity.

Namespace

Code

public function preSave(EntityStorageInterface $storage) {
    $field_type_manager = \Drupal::service('plugin.manager.field.field_type');
    $storage_definition = $this->getFieldStorageDefinition();
    // Filter out unknown settings and make sure all settings are present, so
    // that a complete field definition is passed to the various hooks and
    // written to config.
    $default_settings = $field_type_manager->getDefaultFieldSettings($storage_definition->getType());
    $this->settings = array_intersect_key($this->settings, $default_settings) + $default_settings;
    if ($this->isNew()) {
        // Notify the entity storage.
        \Drupal::service('field_definition.listener')->onFieldDefinitionCreate($this);
    }
    else {
        // Some updates are always disallowed.
        if ($this->entity_type != $this->original->entity_type) {
            throw new FieldException("Cannot change an existing field's entity_type.");
        }
        if ($this->bundle != $this->original->bundle) {
            throw new FieldException("Cannot change an existing field's bundle.");
        }
        if ($storage_definition->uuid() != $this->original
            ->getFieldStorageDefinition()
            ->uuid()) {
            throw new FieldException("Cannot change an existing field's storage.");
        }
        // Notify the entity storage.
        \Drupal::service('field_definition.listener')->onFieldDefinitionUpdate($this, $this->original);
    }
    parent::preSave($storage);
}