support-2.0.x-dev/modules/support_ticket/src/Plugin/views/field/RevisionLinkDelete.php

<?php

namespace Drupal\support_ticket\Plugin\views\field;

use Drupal\Core\Url;
use Drupal\views\ResultRow;

/**
 * Field handler to present link to delete a support ticket revision.
 *
 * @ingroup views_field_handlers
 *
 * @ViewsField("support_ticket_revision_link_delete")
 */
class RevisionLinkDelete extends RevisionLink {

  /**
   * {@inheritdoc}
   */
  protected function getUrlInfo(ResultRow $row) {
    /** @var \Drupal\support_ticket\SupportTicketInterface $support_ticket */
    $support_ticket = $this->getEntity($row);
    return Url::fromRoute(
        'support_ticket.revision_delete_confirm',
        [
          'support_ticket' => $support_ticket->id(),
          'support_ticket_revision' => $support_ticket->getRevisionId(),
        ]
    );
  }

  /**
   * {@inheritdoc}
   */
  protected function getDefaultLabel() {
    return $this->t('Delete');
  }

}