EntityReferenceAutocompleteTagsWidget.php in Drupal 9
File
core/lib/Drupal/Core/Field/Plugin/Field/FieldWidget/EntityReferenceAutocompleteTagsWidget.php
View source
<?php
namespace Drupal\Core\Field\Plugin\Field\FieldWidget;
use Drupal\Core\Field\FieldItemListInterface;
use Drupal\Core\Form\FormStateInterface;
class EntityReferenceAutocompleteTagsWidget extends EntityReferenceAutocompleteWidget {
public function formElement(FieldItemListInterface $items, $delta, array $element, array &$form, FormStateInterface $form_state) {
$element = parent::formElement($items, $delta, $element, $form, $form_state);
$element['target_id']['#tags'] = TRUE;
$element['target_id']['#default_value'] = $items
->referencedEntities();
return $element;
}
public function massageFormValues(array $values, array $form, FormStateInterface $form_state) {
return $values['target_id'];
}
}