public function RadioactivityFieldFormatter::viewElements in Radioactivity 8.2

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/RadioactivityFieldFormatter.php, line 86

Contains \Drupal\radioactivity\Plugin\Field\FieldFormatter\RadioactivityFieldFormatter.

Class

RadioactivityFieldFormatter

Plugin implementation of the 'radioactivity_field_widget' formatter.

Namespace

Drupal\radioactivity\Plugin\Field\FieldFormatter

Code

public function viewElements(FieldItemListInterface $items, $langcode) {
  $elements = [];
  foreach ($items as $delta => $item) {
    $incident = Incident::createFromFieldItemsAndFormatter($items, $item, $this);
    if (!self::$emit_count) {
      self::$emit_count = 0;
    }
    $key = 'ra_emit_' . self::$emit_count++;
    $elements[$delta] = [
      '#attached' => [
        'library' => [
          'radioactivity/triggers',
        ],
        'drupalSettings' => [
          $key => $incident
            ->toJson(),
        ],
      ],
    ];
    switch ($this
      ->getSetting('display')) {

      // case 'none':
      // break;
      case 'raw':
        $elements[$delta]['#markup'] = $this
          ->viewValue($item);
        break;
    }
  }
  return $elements;
}