public function VotingApiFormatter::viewElements in Votingapi Widgets 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/VotingApiFormatter.php, line 163

Class

VotingApiFormatter

Plugin implementation of the 'voting_api_formatter' formatter.

Namespace

Drupal\votingapi_widgets\Plugin\Field\FieldFormatter

Code

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

  // Do not continue if the entity is being previewed.
  if (!empty($entity->in_preview)) {
    return $elements;
  }
  $field_settings = $this
    ->getFieldSettings();
  $field_name = $this->fieldDefinition
    ->getName();
  $vote_type = $field_settings['vote_type'];
  $vote_plugin = $field_settings['vote_plugin'];
  $show_own_vote = $this
    ->getSetting('show_own_vote') ? TRUE : FALSE;
  $elements[] = [
    'vote_form' => [
      '#lazy_builder' => [
        'voting_api.lazy_loader:buildForm',
        [
          $vote_plugin,
          $entity
            ->getEntityTypeId(),
          $entity
            ->bundle(),
          $entity
            ->id(),
          $vote_type,
          $field_name,
          serialize($this
            ->getSettings()),
        ],
      ],
      '#create_placeholder' => TRUE,
    ],
    'results' => [],
  ];
  return $elements;
}