public function DirectDownloadFormatter::viewElements in DownloadFile 8

extends FileFormatterBase 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/DirectDownloadFormatter.php, line 32

Class

DirectDownloadFormatter

Plugin implementation of the 'download_file' Formatter

Namespace

Drupal\download_file\Plugin\Field\FieldFormatter

Code

public function viewElements(FieldItemListInterface $items, $langcode) {
  $elements = array();
  foreach ($this
    ->getEntitiesToView($items, $langcode) as $delta => $file) {
    $item = $file->_referringItem;
    $id = $file
      ->id();
    $link_text = !empty($item->description) ? $item->description : $file
      ->getFilename();
    $elements[$delta] = [
      '#theme' => 'direct_download_file_link',
      '#link_text' => $link_text,
      '#file_id' => $id,
      '#cache' => [
        'tags' => $file
          ->getCacheTags(),
      ],
    ];
    if (isset($item->_attributes)) {
      $elements[$delta] += [
        '#attributes' => [],
      ];
      $elements[$delta]['#attributes'] += $item->_attributes;
      unset($item->_attributes);
    }
  }
  return $elements;
}