public function FileDownloadUriFieldFormatter::viewElements in File Download 8

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/FileDownloadUriFieldFormatter.php, line 65

Class

FileDownloadUriFieldFormatter

Plugin implementation of the "file_download_uri_formatter" formatter.

Namespace

Drupal\file_download\Plugin\Field\FieldFormatter

Code

public function viewElements(FieldItemListInterface $items, $langcode) {
  $elements = [];
  $settings = $this
    ->getSettings();
  foreach ($this
    ->getEntitiesToView($items, $langcode) as $delta => $file) {
    $uri = $file
      ->getFileUri();
    $parts = explode('://', $uri);
    $url = Url::fromRoute('file_download.link', [
      'scheme' => $parts[0],
      'fid' => $file
        ->id(),
    ]);
    $url
      ->setAbsolute($settings['absolute_url']);
    $elements[$delta] = [
      '#markup' => $url
        ->toString(),
    ];
  }
  return $elements;
}