public function MessageViewBuilder::view in Zircon Profile 8

Same name and namespace in other branches

1. 8.0 core/modules/contact/src/MessageViewBuilder.php \Drupal\contact\MessageViewBuilder::view()

Builds the render array for the provided entity.

Parameters

\Drupal\Core\Entity\EntityInterface $entity: The entity to render.

string $view_mode: (optional) The view mode that should be used to render the entity.

string $langcode: (optional) For which language the entity should be rendered, defaults to the current content language.

Return value

array A render array for the entity.

Throws

\InvalidArgumentException Can be thrown when the set of parameters is inconsistent, like when trying to view a Comment and passing a Node which is not the one the comment belongs to, or not passing one, and having the comment node not be available for loading.

Overrides EntityViewBuilder::view

File

core/modules/contact/src/MessageViewBuilder.php, line 53

Contains \Drupal\contact\MessageViewBuilder.

Class

MessageViewBuilder

Render controller for contact messages.

Namespace

Drupal\contact

Code

public function view(EntityInterface $entity, $view_mode = 'full', $langcode = NULL) {
  $build = parent::view($entity, $view_mode, $langcode);
  if ($view_mode == 'mail') {

    // Convert field labels into headings.
    // @todo Improve \Drupal\Core\Mail\MailFormatHelper::htmlToText() to
    // convert DIVs correctly.
    foreach (Element::children($build) as $key) {
      if (isset($build[$key]['#label_display']) && $build[$key]['#label_display'] == 'above') {
        $build[$key] += array(
          '#prefix' => '',
        );
        $build[$key]['#prefix'] = $build[$key]['#title'] . ":\n";
        $build[$key]['#label_display'] = 'hidden';
      }
    }
    $build['#post_render'][] = function ($html, array $elements) {
      return MailFormatHelper::htmlToText($html);
    };
  }
  return $build;
}