public function FieldLink::viewElements in (Entity Reference) Field Formatters 8.2

Same name and namespace in other branches

1. 8 src/Plugin/Field/FieldFormatter/FieldLink.php \Drupal\field_formatter\Plugin\Field\FieldFormatter\FieldLink::viewElements()
2. 3.x src/Plugin/Field/FieldFormatter/FieldLink.php \Drupal\field_formatter\Plugin\Field\FieldFormatter\FieldLink::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/FieldLink.php, line 23

Class

FieldLink

Provides the field link formatter.

Namespace

Drupal\field_formatter\Plugin\Field\FieldFormatter

Code

public function viewElements(FieldItemListInterface $items, $langcode) {
  $field_output = $this
    ->getFieldOutput($items, $langcode);
  $elements = [];
  foreach (Element::children($field_output) as $key) {
    $languageManager = \Drupal::languageManager();
    $entityUrl = $items
      ->getEntity()
      ->toUrl('canonical', [
      'language' => $languageManager
        ->getLanguage($langcode),
    ]);
    $elements[$key] = [
      '#type' => 'link',
      '#url' => $entityUrl,
      '#title' => $field_output[$key],
    ];
  }
  return $elements;
}