Whether this node has been previewed or not. File core/modules/node/src/NodeForm.php, line 26

public NodeForm::save(array $form, FormStateInterface $form_state)

Form handler for the node edit forms. Hierarchy class \Drupal\Core\Form\

public NodeForm::form(array $form, FormStateInterface $form_state)

public NodeForm::__construct(EntityManagerInterface $entity_manager, PrivateTempStoreFactory

protected NodeForm::prepareEntity() Prepares

public static NodeForm::create(ContainerInterface $container)

protected NodeForm::actions(array $form, FormStateInterface $form_state)

public NodeForm::submitForm(array &$form, FormStateInterface $form_state)

public NodeForm::preview(array $form, FormStateInterface $form_state)