EntityBrowserController.php in Entity Browser 8.2

Namespace

Drupal\entity_browser\Controllers

File

src/Controllers/EntityBrowserController.php

<?php

namespace Drupal\entity_browser\Controllers;

use Drupal\Core\Ajax\AjaxResponse;
use Drupal\Core\Ajax\CloseDialogCommand;
use Drupal\Core\Ajax\OpenDialogCommand;
use Drupal\Core\Controller\ControllerBase;
use Drupal\Core\Form\FormState;
use Drupal\Core\Entity\EntityInterface;
use Drupal\entity_browser\Ajax\ValueUpdatedCommand;
use Symfony\Component\HttpFoundation\Request;
use Drupal\Core\Ajax\AlertCommand;
use Symfony\Component\HttpFoundation\ParameterBag;

/**
 * Returns responses for entity browser routes.
 */
class EntityBrowserController extends ControllerBase {

  /**
   * Return an Ajax dialog command for editing a referenced entity.
   *
   * @param \Drupal\Core\Entity\EntityInterface $entity
   *   An entity being edited.
   * @param \Symfony\Component\HttpFoundation\Request $request
   *   The currently processing request.
   *
   * @return \Drupal\Core\Ajax\AjaxResponse
   *   An Ajax response with a command for opening or closing the dialog
   *   containing the edit form.
   */
  public function entityBrowserEdit(EntityInterface $entity, Request $request) {
    $trigger_name = $request->request
      ->get('_triggering_element_name');
    $edit_button = strpos($trigger_name, 'edit_button') !== FALSE;
    if ($edit_button) {

      // Remove posted values from original form to prevent
      // data leakage into this form when the form is of the same bundle.
      $original_request = $request->request;
      $request->request = new ParameterBag();
    }

    // Use edit form class if it exists, otherwise use default form class.
    $entity_type = $entity
      ->getEntityType();
    if ($entity_type
      ->getFormClass('edit')) {
      $operation = 'edit';
    }
    elseif ($entity_type
      ->getFormClass('default')) {
      $operation = 'default';
    }
    if (!empty($operation)) {

      // Build the entity edit form.
      $form_object = $this
        ->entityTypeManager()
        ->getFormObject($entity
        ->getEntityTypeId(), $operation);
      $form_object
        ->setEntity($entity);
      $form_state = (new FormState())
        ->setFormObject($form_object)
        ->disableRedirect();

      // Building the form also submits.
      $form = $this
        ->formBuilder()
        ->buildForm($form_object, $form_state);
    }

    // Restore original request now that the edit form is built.
    // This fixes a bug where closing modal and re-opening it would
    // cause two modals to open.
    if ($edit_button) {
      $request->request = $original_request;
    }

    // Return a response, depending on whether it's successfully submitted.
    if ($operation && $form_state && !$form_state
      ->isExecuted()) {

      // Return the form as a modal dialog.
      $form['#attached']['library'][] = 'core/drupal.dialog.ajax';
      $title = $this
        ->t('Edit entity @entity', [
        '@entity' => $entity
          ->label(),
      ]);
      $response = AjaxResponse::create()
        ->addCommand(new OpenDialogCommand('#' . $entity
        ->getEntityTypeId() . '-' . $entity
        ->id() . '-edit-dialog', $title, $form, [
        'modal' => TRUE,
        'width' => 800,
      ]));
      return $response;
    }
    else {

      // Return command for closing the modal.
      $response = AjaxResponse::create()
        ->addCommand(new CloseDialogCommand('#' . $entity
        ->getEntityTypeId() . '-' . $entity
        ->id() . '-edit-dialog'));

      // Also refresh the widget if "details_id" is provided.
      $details_id = $request->query
        ->get('details_id');
      if (!empty($details_id)) {
        $response
          ->addCommand(new ValueUpdatedCommand($details_id));
        if (empty($operation)) {
          $response
            ->addCommand(new AlertCommand($this
            ->t("An edit form couldn't be found.")));
        }
      }
      return $response;
    }
  }

}

Classes

Name	Description
EntityBrowserController	Returns responses for entity browser routes.