public function JSONFormatter::viewElements in JSON 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/JSONFormatter.php, line 29

Class

JSONFormatter

Plugin implementation of the 'json' formatter.

Namespace

Drupal\json_field\Plugin\Field\FieldFormatter

Code

public function viewElements(FieldItemListInterface $items, $langcode) {
  $elements = !empty($items) ? [
    '#attached' => [
      'library' => [
        'json_field/json_field.formatter',
      ],
    ],
  ] : [];
  foreach ($items as $delta => $item) {
    $elements[$delta] = [
      '#type' => 'json_text',
      '#text' => $item->value,
      '#langcode' => $langcode,
    ];
  }
  return $elements;
}