FieldInheritanceAjaxForm.php in Field Inheritance 2.0.x

Namespace

Drupal\field_inheritance\Form

File

src/Form/FieldInheritanceAjaxForm.php

<?php

namespace Drupal\field_inheritance\Form;

use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Messenger\Messenger;
use Symfony\Component\DependencyInjection\ContainerInterface;
use Drupal\Core\Entity\EntityFieldManager;
use Drupal\Core\Entity\EntityTypeManager;
use Drupal\Core\Entity\EntityTypeBundleInfo;
use Drupal\field_inheritance\FieldInheritancePluginManager;
use Drupal\Core\Ajax\AjaxResponse;
use Drupal\Core\Ajax\HtmlCommand;
use Drupal\Core\Ajax\CloseModalDialogCommand;
use Drupal\Core\Ajax\AppendCommand;
use Drupal\views\Ajax\ScrollTopCommand;
use Drupal\Core\Entity\EntityFormBuilder;
use Drupal\Core\Render\Renderer;

/**
 * Provides an AJAX form for managing field inheritance entities.
 */
class FieldInheritanceAjaxForm extends FieldInheritanceForm {

  /**
   * The entity form builder service.
   *
   * @var \Drupal\Core\Entity\EntityFormBuilder
   */
  protected $entityFormBuilder;

  /**
   * The renderer service.
   *
   * @var \Drupal\Core\Render\Renderer
   */
  protected $renderer;

  /**
   * Construct an FieldInheritanceForm.
   *
   * @param \Drupal\Core\Messenger\Messenger $messenger
   *   The messenger service.
   * @param \Drupal\Core\Entity\EntityFieldManager $entity_field_manager
   *   The entity field manager service.
   * @param \Drupal\Core\Entity\EntityTypeManager $entity_type_manager
   *   The entity type manager service.
   * @param \Drupal\Core\Entity\EntityTypeBundleInfo $entity_type_bundle_info
   *   The entity type bundle info service.
   * @param \Drupal\field_inheritance\FieldInheritancePluginManager $field_inheritance
   *   The field inheritance plugin manager.
   * @param \Drupal\Core\Entity\EntityFormBuilder $entity_form_builder
   *   The entity form builder service.
   * @param \Drupal\Core\Render\Renderer $renderer
   *   The renderer service.
   */
  public function __construct(Messenger $messenger, EntityFieldManager $entity_field_manager, EntityTypeManager $entity_type_manager, EntityTypeBundleInfo $entity_type_bundle_info, FieldInheritancePluginManager $field_inheritance, EntityFormBuilder $entity_form_builder, Renderer $renderer) {
    parent::__construct($messenger, $entity_field_manager, $entity_type_manager, $entity_type_bundle_info, $field_inheritance);
    $this->entityFormBuilder = $entity_form_builder;
    $this->renderer = $renderer;
  }

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container) {
    return new static($container
      ->get('messenger'), $container
      ->get('entity_field.manager'), $container
      ->get('entity_type.manager'), $container
      ->get('entity_type.bundle.info'), $container
      ->get('plugin.manager.field_inheritance'), $container
      ->get('entity.form_builder'), $container
      ->get('renderer'));
  }

  /**
   * {@inheritdoc}
   */
  public function buildForm(array $form, FormStateInterface $form_state) {
    $form = parent::buildForm($form, $form_state);
    $form['actions']['submit']['#ajax'] = [
      'callback' => '::ajaxSubmit',
    ];
    return $form;
  }

  /**
   * {@inheritdoc}
   */
  public function ajaxSubmit(array $form, FormStateInterface $form_state) {
    parent::save($form, $form_state);
    $response = new AjaxResponse();
    $response
      ->addCommand(new CloseModalDialogCommand());

    // Grab the values from the form.
    $form_values = $form_state
      ->getValues();

    // Build an empty entity using the destination entity type and bundle.
    $entity = $this->entityTypeManager
      ->getStorage($form_values['destination_entity_type'])
      ->create([
      'type' => $form_values['destination_entity_bundle'],
    ]);

    // Build the entity form for the created entity.
    $form = $this->entityFormBuilder
      ->getForm($entity, 'default');

    // Grab the field inheritance field for the specified entity and add it to
    // the parent form.
    $field = $form['field_inheritance']['fields']['field_inheritance_' . $form_values['id']];
    $response
      ->addCommand(new AppendCommand('#field-inheritance-ajax-container', $field));

    // Display the messages generated by the creation of the field inheritance.
    $message = [
      '#theme' => 'status_messages',
      '#message_list' => $this->messenger
        ->all(),
    ];

    // Prevent duplicate messages appearing.
    $this->messenger
      ->deleteAll();

    // Render the messages.
    $messages = $this->renderer
      ->render($message);
    $response
      ->addCommand(new HtmlCommand('#field-inheritance-ajax-message', $messages));
    $response
      ->addCommand(new ScrollTopCommand('#field-inheritance-ajax-message'));
    return $response;
  }

}

Classes

Name	Description
FieldInheritanceAjaxForm	Provides an AJAX form for managing field inheritance entities.