public function FileUrlFormatter::viewElements in File URL 8

Same name and namespace in other branches

1. 2.0.x src/Plugin/Field/FieldFormatter/FileUrlFormatter.php \Drupal\file_url\Plugin\Field\FieldFormatter\FileUrlFormatter::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/FileUrlFormatter.php, line 72

Class

FileUrlFormatter

Plugin implementation of the 'file_default' formatter.

Namespace

Drupal\file_url\Plugin\Field\FieldFormatter

Code

public function viewElements(FieldItemListInterface $items, $langcode) {
  $elements = [];
  foreach ($this
    ->getEntitiesToView($items, $langcode) as $delta => $file) {
    $item = $file->_referringItem;
    if ($this
      ->getSetting('mode') === 'plain') {
      $elements['delta'] = [
        $elements[$delta] = [
          '#markup' => file_url_transform_relative(file_create_url($file
            ->getFileUri())),
          '#cache' => [
            'tags' => $file
              ->getCacheTags(),
          ],
        ],
      ];
    }
    else {
      $elements[$delta] = [
        '#theme' => 'file_link',
        '#file' => $file,
        '#description' => $item->description,
        '#cache' => [
          'tags' => $file
            ->getCacheTags(),
        ],
      ];
    }

    // Pass field item attributes to the theme function.
    if (isset($item->_attributes)) {
      $elements[$delta] += [
        '#attributes' => [],
      ];
      $elements[$delta]['#attributes'] += $item->_attributes;

      // Unset field item attributes since they have been included in the
      // formatter output and should not be rendered in the field template.
      unset($item->_attributes);
    }

    // Allow showing the full URI as tip.
    // @todo Probably the UX/UI team should decide if the full URL should be
    //   permanently displayed when showing distributions.
    $elements[$delta]['#attributes']['title'] = file_create_url($file
      ->getFileUri());
  }
  return $elements;
}