3 namespace Drupal\contact;
5 use Drupal\Core\Entity\EntityInterface;
6 use Drupal\Core\Entity\EntityViewBuilder;
7 use Drupal\Core\Mail\MailFormatHelper;
8 use Drupal\Core\Render\Element;
11 * Render controller for contact messages.
13 class MessageViewBuilder extends EntityViewBuilder {
18 protected function getBuildDefaults(EntityInterface $entity, $view_mode) {
19 $build = parent::getBuildDefaults($entity, $view_mode);
20 // The message fields are individually rendered into email templates, so
21 // the entity has no template itself.
22 unset($build['#theme']);
29 public function view(EntityInterface $entity, $view_mode = 'full', $langcode = NULL) {
30 $build = parent::view($entity, $view_mode, $langcode);
32 if ($view_mode == 'mail') {
33 // Convert field labels into headings.
34 // @todo Improve \Drupal\Core\Mail\MailFormatHelper::htmlToText() to
35 // convert DIVs correctly.
36 foreach (Element::children($build) as $key) {
37 if (isset($build[$key]['#label_display']) && $build[$key]['#label_display'] == 'above') {
38 $build[$key] += ['#prefix' => ''];
39 $build[$key]['#prefix'] = $build[$key]['#title'] . ":\n";
40 $build[$key]['#label_display'] = 'hidden';
43 $build['#post_render'][] = function ($html, array $elements) {
44 return MailFormatHelper::htmlToText($html);