public function RadioactivityValue::viewElements in Radioactivity 4.0.x

Same name and namespace in other branches

1. 8.3 src/Plugin/Field/FieldFormatter/RadioactivityValue.php \Drupal\radioactivity\Plugin\Field\FieldFormatter\RadioactivityValue::viewElements()

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/RadioactivityValue.php, line 59

Class

RadioactivityValue

Plugin implementation of the 'radioactivity_value' formatter.

Namespace

Drupal\radioactivity\Plugin\Field\FieldFormatter

Code

public function viewElements(FieldItemListInterface $items, $langcode) {
  $elements = [];
  foreach ($items as $delta => $item) {
    if (!$item
      ->isEmpty()) {
      $elements[$delta] = [
        '#markup' => $this
          ->viewValue($item->energy),
      ];
    }
  }
  return $elements;
}