public function NodePreviewForm::buildForm in Zircon Profile 8.0

Same name and namespace in other branches

1. 8 core/modules/node/src/Form/NodePreviewForm.php \Drupal\node\Form\NodePreviewForm::buildForm()

Form constructor.

Parameters

array $form: An associative array containing the structure of the form.

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

\Drupal\Core\Entity\EntityInterface $node: The node being previews

Return value

array The form structure.

Overrides FormInterface::buildForm

File

core/modules/node/src/Form/NodePreviewForm.php, line 78

Contains \Drupal\node\Form\NodePreviewForm.

Class

NodePreviewForm

Contains a form for switching the view mode of a node during preview.

Namespace

Drupal\node\Form

Code

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;
}