function hook_ENTITY_TYPE_form_mode_alter

Change the form mode of a specific entity type currently being displayed.

Parameters

string $form_mode: The form_mode currently displaying the entity.

\Drupal\Core\Entity\EntityInterface $entity: The entity that is being viewed.

Related topics

Entity CRUD, editing, and view hooks
Hooks used in various entity operations.
Hooks
Define functions that alter the behavior of Drupal core.
1 function implements hook_ENTITY_TYPE_form_mode_alter()

Note: this list is generated by pattern matching, so it may include some functions that are not actually implementations of this hook.

entity_test_entity_test_form_mode_alter in core/modules/system/tests/modules/entity_test/entity_test.module
Implements hook_ENTITY_TYPE_form_mode_alter().

File

core/lib/Drupal/Core/Entity/entity.api.php, line 1890

Code

function hook_ENTITY_TYPE_form_mode_alter(string &$form_mode, \Drupal\Core\Entity\EntityInterface $entity) : void {
    // Change the form mode for nodes with 'article' bundle.
    if ($entity->bundle() == 'article') {
        $form_mode = 'custom_article_form_mode';
    }
}

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