public function PrivateMessageThreadMemberFormatter::viewElements in Private Message 8.2

Same name and namespace in other branches

1. 8 src/Plugin/Field/FieldFormatter/PrivateMessageThreadMemberFormatter.php \Drupal\private_message\Plugin\Field\FieldFormatter\PrivateMessageThreadMemberFormatter::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 FormatterInterface::viewElements

File

src/Plugin/Field/FieldFormatter/PrivateMessageThreadMemberFormatter.php, line 227

Class

PrivateMessageThreadMemberFormatter

Defines the private message member field formatter.

Namespace

Drupal\private_message\Plugin\Field\FieldFormatter

Code

public function viewElements(FieldItemListInterface $items, $langcode) {
  $element = [];
  $access_profiles = $this->currentUser
    ->hasPermission('access user profiles');
  $users = [];
  $view_builder = $this->entityTypeManager
    ->getViewBuilder('user');
  foreach ($items as $delta => $item) {
    $user = $item->entity;
    if ($user) {
      if ($user
        ->id() != $this->currentUser
        ->id()) {
        if ($this
          ->getSetting('display_type') == 'label') {
          if ($access_profiles) {
            $url = Url::fromRoute('entity.user.canonical', [
              'user' => $user
                ->id(),
            ]);
            $users[$user
              ->id()] = new FormattableMarkup('<a href=":link">@username</a>', [
              ':link' => $url
                ->toString(),
              '@username' => $user
                ->getDisplayName(),
            ]);
          }
          else {
            $users[$user
              ->id()] = $user
              ->getDisplayName();
          }
        }
        elseif ($this
          ->getSetting('display_type') == 'entity') {
          $renderable = $view_builder
            ->view($user, $this
            ->getSetting('entity_display_mode'));
          $users[$user
            ->id()] = render($renderable);
        }
      }
    }
    else {
      $users['Missing-' . $delta] = '<em>' . $this
        ->t('User Deleted') . '</em>';
    }
  }
  $element = [
    '#prefix' => '<div class="private-message-recipients">',
    '#suffix' => '</div>',
    '#markup' => '',
  ];
  $separator = $this
    ->getSetting('display_type') === 'label' ? ', ' : '';
  $members_prefix = $this
    ->getSetting('members_prefix');
  if (strlen($members_prefix)) {
    $element['#markup'] .= '<span>' . $this
      ->t($members_prefix) . '</span>';
    $element['#markup'] .= count($users) > 0 ? $separator : '';
  }
  $element['#markup'] .= implode($separator, $users);
  return $element;
}