entity_browser-8.x-2.x-dev/src/Plugin/EntityBrowser/SelectionDisplay/NoDisplay.php

<?php

namespace Drupal\entity_browser\Plugin\EntityBrowser\SelectionDisplay;

use Drupal\Core\Form\FormStateInterface;
use Drupal\entity_browser\SelectionDisplayBase;

/**
 * Does not show current selection and immediately delivers selected entities.
 *
 * @EntityBrowserSelectionDisplay(
 *   id = "no_display",
 *   label = @Translation("No selection display"),
 *   description = @Translation("Skips the current selection display and immediately delivers the entities selected."),
 *   acceptPreselection = FALSE,
 *   js_commands = FALSE
 * )
 */
class NoDisplay extends SelectionDisplayBase {

  /**
   * {@inheritdoc}
   */
  public function getForm(array &$original_form, FormStateInterface $form_state) {
    return [];
  }

  /**
   * {@inheritdoc}
   */
  public function submit(array &$form, FormStateInterface $form_state) {
    // Only finish selection if the form was submitted using main submit
    // element. This allows widgets to build multi-step workflows.
    if (!empty($form_state->getTriggeringElement()['#eb_widget_main_submit'])) {
      $this->selectionDone($form_state);
    }
  }

}