public function EpubFormatterBase::viewElements in Epub 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/EpubFormatterBase.php, line 30

Contains \Drupal\epub\Plugin\Field\FieldFormatter\EpubFormatterBase.

Class

EpubFormatterBase

Plugin implementation of the 'epub' formatter.

Namespace

Drupal\epub\Plugin\Field\FieldFormatter

Code

public function viewElements(FieldItemListInterface $items, $langcode) {
  $elements = array();
  foreach ($this
    ->getEntitiesToView($items, $langcode) as $delta => $file) {
    $elements[$delta] = array(
      '#theme' => 'epub_formatter_default',
      '#file' => $file,
      '#width' => $this
        ->getSetting('width'),
      '#height' => $this
        ->getSetting('height'),
    );
  }
  return $elements;
}