Hey guys,

it would be great to have a field formatter widget to render multiple values of a link field as dropbutton. I am talking about the front end output here.

Is there already any possibility to achieve this, apart from using views, where I would need to create and select multiple link fields for each option?

Thanks in advance for your help!

Issue fork drupal-2821623

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toni4i created an issue. See original summary.

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Version: 9.2.x-dev » 9.3.x-dev
Ghost of Drupal Past’s picture

Ghost of Drupal Past
he/him
CreditAttribution: Ghost of Drupal Past at Smartsheet commented 
​namespace Drupal\dropbutton_links\Plugin\Field\FieldFormatter;
​
use Drupal\Core\Field\FieldItemListInterface;
use Drupal\link\Plugin\Field\FieldFormatter\LinkFormatter;
​
/**
 * Plugin implementation of the 'dropbutton_links' formatter.
 *
 * @FieldFormatter(
 *   id = "dropbutton_links",
 *   label = @Translation("Dropbutton links"),
 *   field_types = {
 *     "link"
 *   }
 * )
 */
class DropbuttonLinksFormatter extends LinkFormatter {
​
  /**
   * {@inheritdoc}
   */
  public function viewElements(FieldItemListInterface $items, $langcode) {
    return [[
      '#type' => 'dropbutton',
      '#links' => array_map([static::class, 'convert'], parent::viewElements($items, $langcode)),
    ]];
  }
​
  /**
   * Convert a link or plain text element into a links element.
   */
  protected static function convert(array $element): array {
    return [
      'title' => $element['#title'] ?? $element['#plain_text'],
      'url' => $element['#url'] ?? NULL,
    ];
  }
​
}

Version: 9.3.x-dev » 9.4.x-dev

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