public function ImageCaptionFormatter::viewElements in Image Field Caption 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/ImageCaptionFormatter.php, line 29

Contains \Drupal\image_field_caption\Plugin\Field\FieldFormatter\ImageCaptionFormatter.

Class

ImageCaptionFormatter

Plugin implementation of the 'image_caption' formatter.

Namespace

Drupal\image_field_caption\Plugin\Field\FieldFormatter

Code

public function viewElements(FieldItemListInterface $items, $langcode) {
  $elements = parent::viewElements($items, $langcode);
  foreach ($elements as $delta => $element) {

    // Set a new theme callback function for the image caption formatter.
    $elements[$delta]['#theme'] = 'image_caption_formatter';
  }
  return $elements;
}