/**
* 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 $form;
}
/**
* Overrides \Drupal\Core\Block\BlockBase::blockForm().
*
* Adds body and description fields to the block configuration form.
*/
public function blockForm($form, FormStateInterface $form_state)
{
$uuid = $this->getDerivativeId();
$block = $this->entityManager->loadEntityByUuid('block_content', $uuid);
$options = $this->entityManager->getViewModeOptionsByBundle('block_content', $block->bundle());
$form['view_mode'] = array('#type' => 'select', '#options' => $options, '#title' => $this->t('View mode'), '#description' => $this->t('Output the block in this view mode.'), '#default_value' => $this->configuration['view_mode'], '#access' => count($options) > 1);
$form['title']['#description'] = $this->t('The title of the block as shown to the user.');
return $form;
}
/**
* {@inheritdoc}
*/
public function getViewModeOptionsByBundle($entity_type_id, $bundle)
{
return $this->entityManager->getViewModeOptionsByBundle($entity_type_id, $bundle);
}
/**
* Provides a list of comment view modes for the configured comment type.
*
* @return array
* Associative array keyed by view mode key and having the view mode label
* as value.
*/
protected function getViewModes()
{
return $this->entityManager->getViewModeOptionsByBundle('comment', $this->getFieldSetting('comment_type'));
}
