function field_form_field_config_edit_form_entity_builder

Entity form builder for field config edit form.

Parameters

string $entity_type_id: The entity type identifier.

\Drupal\Core\Entity\EntityInterface $entity: The entity updated with the submitted values.

array $form: The complete form array.

\Drupal\Core\Form\FormStateInterface $form_state: The current state of the form.

See also

\Drupal\field_ui\Form\FieldConfigEditForm::form

\Drupal\field_ui\Form\FieldConfigEditForm::copyFormValuesToEntity

File

core/modules/field/field.module, line 471

Code

function field_form_field_config_edit_form_entity_builder($entity_type_id, $entity, &$form, FormStateInterface $form_state) {
    assert($entity instanceof FieldConfigInterface);
    $previous_field_storage = $form_state->getFormObject()
        ->getEntity()
        ->getFieldStorageDefinition();
    assert($previous_field_storage instanceof FieldStorageConfigInterface);
    // Act on all sub-types of the entity_reference field type.
    
    /** @var \Drupal\Core\Field\FieldTypePluginManager $field_type_manager */
    $field_type_manager = \Drupal::service('plugin.manager.field.field_type');
    $item_class = 'Drupal\\Core\\Field\\Plugin\\Field\\FieldType\\EntityReferenceItem';
    $class = $field_type_manager->getPluginClass($entity->getFieldStorageDefinition()
        ->getType());
    if ($class !== $item_class && !is_subclass_of($class, $item_class)) {
        return;
    }
    // Update handler settings when target_type is changed.
    if ($entity->getFieldStorageDefinition()
        ->getSetting('target_type') !== $previous_field_storage->getSetting('target_type')) {
        // @see field_field_storage_config_update().
        $entity->setSetting('handler_settings', []);
        // @see field_field_config_presave().
        field_field_config_create($entity);
        // Store updated settings in form state so that the form state can be copied
        // directly to the entity.
        $form_state->setValue('settings', $entity->getSettings());
        // Unset user input for the settings because they are not valid after the
        // target type has changed.
        $user_input = $form_state->getUserInput();
        unset($user_input['settings']);
        $form_state->setUserInput($user_input);
    }
}