public function SignatureFormatter::viewElements in SignatureField 1.x

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/SignatureFormatter.php, line 78

Class

SignatureFormatter

Provides the signature formatter for the signature field.

Namespace

Drupal\signaturefield\Plugin\Field\FieldFormatter

Code

public function viewElements(FieldItemListInterface $items, $langcode) {
  $element = [];
  foreach ($items as $delta => $item) {
    $element[$delta] = [
      '#theme' => 'image',
      '#width' => $this
        ->getSetting('width'),
      '#height' => $this
        ->getSetting('height'),
      '#alt' => $this
        ->t('Signature'),
      '#attributes' => [
        'src' => $item->value,
      ],
    ];
  }
  return $element;
}