diff core/modules/contact/src/MessageViewBuilder.php @ 0:4c8ae668cc8c

Initial import (non-working)

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/modules/contact/src/MessageViewBuilder.php	Wed Nov 29 16:09:58 2017 +0000
@@ -0,0 +1,50 @@
+<?php
+
+namespace Drupal\contact;
+
+use Drupal\Core\Entity\EntityInterface;
+use Drupal\Core\Entity\EntityViewBuilder;
+use Drupal\Core\Mail\MailFormatHelper;
+use Drupal\Core\Render\Element;
+
+/**
+ * Render controller for contact messages.
+ */
+class MessageViewBuilder extends EntityViewBuilder {
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function getBuildDefaults(EntityInterface $entity, $view_mode) {
+    $build = parent::getBuildDefaults($entity, $view_mode);
+    // The message fields are individually rendered into email templates, so
+    // the entity has no template itself.
+    unset($build['#theme']);
+    return $build;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  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] += ['#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;
+  }
+
+}