public function ExtraImageFieldClassesFormatter::viewElements in Extra Image Field Classes 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 ImageFormatter::viewElements

File

src/Plugin/Field/FieldFormatter/ExtraImageFieldClassesFormatter.php, line 59

Class

ExtraImageFieldClassesFormatter

Plugin implementation of the 'extra_image_field_classes' formatter.

Namespace

Drupal\extra_image_field_classes\Plugin\Field\FieldFormatter

Code

public function viewElements(FieldItemListInterface $items, $langcode) {
  $elements = parent::viewElements($items, $langcode);
  foreach ($elements as &$element) {
    $element['#item_attributes']['class'][] = $this
      ->getSetting('extra_image_field_classes');
  }
  return $elements;
}