public function CommentPostFormatter::viewElements in Open Social 8.7

Same name and namespace in other branches

8.9 modules/social_features/social_post/src/Plugin/Field/FieldFormatter/CommentPostFormatter.php \Drupal\social_post\Plugin\Field\FieldFormatter\CommentPostFormatter::viewElements()
8 modules/social_features/social_post/src/Plugin/Field/FieldFormatter/CommentPostFormatter.php \Drupal\social_post\Plugin\Field\FieldFormatter\CommentPostFormatter::viewElements()
8.2 modules/social_features/social_post/src/Plugin/Field/FieldFormatter/CommentPostFormatter.php \Drupal\social_post\Plugin\Field\FieldFormatter\CommentPostFormatter::viewElements()
8.3 modules/social_features/social_post/src/Plugin/Field/FieldFormatter/CommentPostFormatter.php \Drupal\social_post\Plugin\Field\FieldFormatter\CommentPostFormatter::viewElements()
8.4 modules/social_features/social_post/src/Plugin/Field/FieldFormatter/CommentPostFormatter.php \Drupal\social_post\Plugin\Field\FieldFormatter\CommentPostFormatter::viewElements()
8.5 modules/social_features/social_post/src/Plugin/Field/FieldFormatter/CommentPostFormatter.php \Drupal\social_post\Plugin\Field\FieldFormatter\CommentPostFormatter::viewElements()
8.6 modules/social_features/social_post/src/Plugin/Field/FieldFormatter/CommentPostFormatter.php \Drupal\social_post\Plugin\Field\FieldFormatter\CommentPostFormatter::viewElements()
8.8 modules/social_features/social_post/src/Plugin/Field/FieldFormatter/CommentPostFormatter.php \Drupal\social_post\Plugin\Field\FieldFormatter\CommentPostFormatter::viewElements()
10.3.x modules/social_features/social_post/src/Plugin/Field/FieldFormatter/CommentPostFormatter.php \Drupal\social_post\Plugin\Field\FieldFormatter\CommentPostFormatter::viewElements()
10.0.x modules/social_features/social_post/src/Plugin/Field/FieldFormatter/CommentPostFormatter.php \Drupal\social_post\Plugin\Field\FieldFormatter\CommentPostFormatter::viewElements()
10.1.x modules/social_features/social_post/src/Plugin/Field/FieldFormatter/CommentPostFormatter.php \Drupal\social_post\Plugin\Field\FieldFormatter\CommentPostFormatter::viewElements()
10.2.x modules/social_features/social_post/src/Plugin/Field/FieldFormatter/CommentPostFormatter.php \Drupal\social_post\Plugin\Field\FieldFormatter\CommentPostFormatter::viewElements()

Builds a renderable array for a field value.

Parameters

\Drupal\Core\Field\FieldItemListInterface $items: The field values to be rendered.

string $langcode: The language that should be used to render the field.

Return value

array A renderable array for $items, as an array of child elements keyed by consecutive numeric indexes starting from 0.

Overrides CommentDefaultFormatter::viewElements

File

modules/social_features/social_post/src/Plugin/Field/FieldFormatter/CommentPostFormatter.php, line 44

Class

CommentPostFormatter: Provides a post comment formatter.

Namespace

Drupal\social_post\Plugin\Field\FieldFormatter

Code

public function viewElements(FieldItemListInterface $items, $langcode) {
  $elements = [];
  $output = [];
  $field_name = $this->fieldDefinition
    ->getName();
  $entity = $items
    ->getEntity();
  $status = $items->status;
  $comments_per_page = $this
    ->getSetting('num_comments');
  if ($status != CommentItemInterface::HIDDEN && empty($entity->in_preview) && !in_array($this->viewMode, [
    'search_result',
    'search_index',
  ])) {
    $comment_settings = $this
      ->getFieldSettings();
    $comment_count = $entity
      ->get($field_name)->comment_count;

    // Only attempt to render comments if the entity has visible comments.
    // Unpublished comments are not included in
    // $entity->get($field_name)->comment_count, but unpublished comments
    // should display if the user is an administrator.
    $elements['#cache']['contexts'][] = 'user.permissions';
    if ($this->currentUser
      ->hasPermission('access comments') || $this->currentUser
      ->hasPermission('administer comments')) {
      $output['comments'] = [];
      if ($comment_count || $this->currentUser
        ->hasPermission('administer comments')) {
        $mode = $comment_settings['default_mode'];
        $comments = $this
          ->loadThread($entity, $field_name, $mode, $comments_per_page, FALSE);
        if ($comments) {
          $build = $this->viewBuilder
            ->viewMultiple($comments);
          $output['comments'] += $build;
        }
        if ($comments_per_page && $comment_count > $comments_per_page) {
          $t_args = [
            ':num_comments' => $comment_count,
          ];
          $more_link = $this
            ->t('Show all :num_comments comments', $t_args);

          // Set link classes to be added to the button.
          $more_link_options = [
            'attributes' => [
              'class' => [
                'btn',
                'btn-flat',
                'brand-text-primary',
              ],
            ],
          ];

          // Set path to post node.
          $link_url = $entity
            ->urlInfo('canonical');

          // Attach the attributes.
          $link_url
            ->setOptions($more_link_options);

          // Build the link.
          $more_button = Link::fromTextAndUrl($more_link, $link_url);
          $output['more_link'] = $more_button;
        }
      }
    }

    // Append comment form if the comments are open and the form is set to
    // display below the entity. Do not show the form for the print view mode.
    if ($status == CommentItemInterface::OPEN && $comment_settings['form_location'] == CommentItemInterface::FORM_BELOW && $this->viewMode != 'print') {

      // Only show the add comment form if the user has permission.
      $elements['#cache']['contexts'][] = 'user';
      $add_comment_form = FALSE;

      // Check if the post has been posted in a group.
      $group_id = $entity->field_recipient_group->target_id;
      if ($group_id) {

        /** @var \Drupal\group\Entity\Group $group */
        $group = entity_load('group', $group_id);
        if ($group
          ->hasPermission('add post entities in group', $this->currentUser) && $this->currentUser
          ->hasPermission('post comments')) {
          $add_comment_form = TRUE;
        }
      }
      elseif ($this->currentUser
        ->hasPermission('post comments')) {
        $add_comment_form = TRUE;
      }
      if ($add_comment_form) {
        $output['comment_form'] = [
          '#lazy_builder' => [
            'comment.lazy_builders:renderForm',
            [
              $entity
                ->getEntityTypeId(),
              $entity
                ->id(),
              $field_name,
              $this
                ->getFieldSetting('comment_type'),
            ],
          ],
          '#create_placeholder' => TRUE,
        ];
      }
    }
    $elements[] = $output + [
      '#comment_type' => $this
        ->getFieldSetting('comment_type'),
      '#comment_display_mode' => $this
        ->getFieldSetting('default_mode'),
      'comments' => [],
      'comment_form' => [],
      'more_link' => [],
    ];
  }
  return $elements;
}

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