public function FixedTextFileUrl::viewElements in Fixed text link formatter 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/FixedTextFileUrl.php, line 101

Class

FixedTextFileUrl

Plugin implementation of the 'file_url_plain' formatter.

Namespace

Drupal\fixed_text_link_formatter\Plugin\Field\FieldFormatter

Code

public function viewElements(FieldItemListInterface $items, $langcode) {
  $elements = [];

  /** @var \Drupal\file\Entity\File $file */
  foreach ($this
    ->getEntitiesToView($items, $langcode) as $delta => $file) {
    $text = $this
      ->getLinkText();
    $url = Url::fromUri(file_create_url($file
      ->getFileUri()));
    $link = Link::fromTextAndUrl($text, $url);
    $build = $link
      ->toRenderable();
    $build['#attributes']['class'][] = $this
      ->getLinkClass();
    if ($this
      ->openLinkInNewWindow()) {
      $build['#attributes']['target'] = '_blank';
    }
    $cacheableMetadata = CacheableMetadata::createFromObject($file);
    $cacheableMetadata
      ->applyTo($build);
    $elements[$delta] = $build;
  }
  return $elements;
}