public function SerialDefaultFormatter::viewElements in Serial Field 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/SerialDefaultFormatter.php, line 24

Class

SerialDefaultFormatter

Plugin implementation of the 'serial_default_formatter'.

Namespace

Drupal\serial\Plugin\Field\FieldFormatter

Code

public function viewElements(FieldItemListInterface $items, $langcode) {
  $elements = [];
  foreach ($items as $delta => $item) {

    // Render output using serial_default theme.
    $source = [
      '#theme' => 'serial_default',
      '#serial_id' => $item->value,
    ];
    $elements[$delta] = [
      '#markup' => \Drupal::service('renderer')
        ->renderPlain($source),
    ];
  }
  return $elements;
}