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| <?php | |
| /** | |
| * @file | |
| * Contains \Drupal\node\Form\NodePreviewForm. | |
| */ | |
| namespace Drupal\node\Form; | |
| use Drupal\Core\Config\ConfigFactoryInterface; | |
| use Drupal\Core\DependencyInjection\ContainerInjectionInterface; | |
| use Drupal\Core\Entity\EntityInterface; | |
| use Drupal\Core\Entity\EntityManagerInterface; | |
| use Drupal\Core\Form\FormBase; | |
| use Drupal\Core\Form\FormStateInterface; | |
| use Drupal\Core\Url; | |
| use Symfony\Component\DependencyInjection\ContainerInterface; | |
| /** | |
| * Contains a form for switching the view mode of a node during preview. | |
| */ | |
| class NodePreviewForm extends FormBase implements ContainerInjectionInterface { | |
| /** | |
| * The entity manager service. | |
| * | |
| * @var \Drupal\Core\Entity\EntityManagerInterface | |
| */ | |
| protected $entityManager; | |
| /** | |
| * The config factory. | |
| * | |
| * @var \Drupal\Core\Config\ConfigFactoryInterface | |
| */ | |
| protected $configFactory; | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public static function create(ContainerInterface $container) { | |
| return new static($container->get('entity.manager'), $container->get('config.factory')); | |
| } | |
| /** | |
| * Constructs a new NodePreviewForm. | |
| * | |
| * @param \Drupal\Core\Entity\EntityManagerInterface $entity_manager | |
| * The entity manager service. | |
| * @param \Drupal\Core\Config\ConfigFactoryInterface $config_factory | |
| * The configuration factory. | |
| */ | |
| public function __construct(EntityManagerInterface $entity_manager, ConfigFactoryInterface $config_factory) { | |
| $this->entityManager = $entity_manager; | |
| $this->configFactory = $config_factory; | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function getFormId() { | |
| return 'node_preview_form_select'; | |
| } | |
| /** | |
| * Form constructor. | |
| * | |
| * @param array $form | |
| * An associative array containing the structure of the form. | |
| * @param \Drupal\Core\Form\FormStateInterface $form_state | |
| * The current state of the form. | |
| * @param \Drupal\Core\Entity\EntityInterface $node | |
| * The node being previews | |
| * | |
| * @return array | |
| * The form structure. | |
| */ | |
| public function buildForm(array $form, FormStateInterface $form_state, EntityInterface $node = NULL) { | |
| $view_mode = $node->preview_view_mode; | |
| $query_options = $node->isNew() ? array('query' => array('uuid' => $node->uuid())) : array(); | |
| $form['backlink'] = array( | |
| '#type' => 'link', | |
| '#title' => $this->t('Back to content editing'), | |
| '#url' => $node->isNew() ? Url::fromRoute('node.add', ['node_type' => $node->bundle()]) : $node->urlInfo('edit-form'), | |
| '#options' => array('attributes' => array('class' => array('node-preview-backlink'))) + $query_options, | |
| ); | |
| $view_mode_options = $this->entityManager->getViewModeOptionsByBundle('node', $node->bundle()); | |
| // Unset view modes that are not used in the front end. | |
| unset($view_mode_options['rss']); | |
| unset($view_mode_options['search_index']); | |
| $form['uuid'] = array( | |
| '#type' => 'value', | |
| '#value' => $node->uuid(), | |
| ); | |
| $form['view_mode'] = array( | |
| '#type' => 'select', | |
| '#title' => $this->t('View mode'), | |
| '#options' => $view_mode_options, | |
| '#default_value' => $view_mode, | |
| '#attributes' => array( | |
| 'data-drupal-autosubmit' => TRUE, | |
| ) | |
| ); | |
| $form['submit'] = array( | |
| '#type' => 'submit', | |
| '#value' => $this->t('Switch'), | |
| '#attributes' => array( | |
| 'class' => array('js-hide'), | |
| ), | |
| ); | |
| return $form; | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function submitForm(array &$form, FormStateInterface $form_state) { | |
| $form_state->setRedirect('entity.node.preview', array( | |
| 'node_preview' => $form_state->getValue('uuid'), | |
| 'view_mode_id' => $form_state->getValue('view_mode'), | |
| )); | |
| } | |
| } |