ConfigEntityCloneFormBase.php in Entity Clone 8

Namespace

Drupal\entity_clone\EntityClone\Config

File

src/EntityClone/Config/ConfigEntityCloneFormBase.php

<?php

namespace Drupal\entity_clone\EntityClone\Config;

use Drupal\Core\Config\Entity\ConfigEntityStorage;
use Drupal\Core\Entity\EntityHandlerInterface;
use Drupal\Core\Entity\EntityInterface;
use Drupal\Core\Entity\EntityTypeInterface;
use Drupal\Core\Entity\EntityTypeManagerInterface;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\StringTranslation\TranslationManager;
use Drupal\entity_clone\EntityClone\EntityCloneFormInterface;
use Symfony\Component\DependencyInjection\ContainerInterface;

/**
 * Class ConfigEntityCloneFormBase.
 */
class ConfigEntityCloneFormBase implements EntityHandlerInterface, EntityCloneFormInterface {

  /**
   * The string translation.
   *
   * @var \Drupal\Core\StringTranslation\TranslationManager
   */
  protected $translationManager;

  /**
   * The entity type manager.
   *
   * @var \Drupal\Core\Entity\EntityTypeManagerInterface
   */
  protected $entityTypeManager;

  /**
   * Constructs a new ConfigEntityCloneFormBase.
   *
   * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager
   *   The entity type manager.
   * @param \Drupal\Core\StringTranslation\TranslationManager $translation_manager
   *   The string translation manager.
   */
  public function __construct(EntityTypeManagerInterface $entity_type_manager, TranslationManager $translation_manager) {
    $this->entityTypeManager = $entity_type_manager;
    $this->translationManager = $translation_manager;
  }

  /**
   * {@inheritdoc}
   */
  public static function createInstance(ContainerInterface $container, EntityTypeInterface $entity_type) {
    return new static($container
      ->get('entity_type.manager'), $container
      ->get('string_translation'));
  }

  /**
   * {@inheritdoc}
   */
  public function formElement(EntityInterface $entity, $parent = TRUE) {
    $form = [];
    if ($this->entityTypeManager
      ->getDefinition($entity
      ->getEntityTypeId())
      ->getKey('label')) {
      $form['label'] = [
        '#type' => 'textfield',
        '#title' => $this->translationManager
          ->translate('New Label'),
        '#maxlength' => 255,
        '#required' => TRUE,
      ];
    }

    // In common casse, config entities IDs are limited to 64 characters ...
    $max_length = 64;
    if ($entity
      ->getEntityType()
      ->getBundleOf()) {

      // ... Except for bundle definition, that are limited to 32 characters.
      $max_length = EntityTypeInterface::BUNDLE_MAX_LENGTH;
    }
    $form['id'] = [
      '#type' => 'machine_name',
      '#title' => $this->translationManager
        ->translate('New Id'),
      '#maxlength' => $max_length,
      '#required' => TRUE,
    ];

    // If entity must have a prefix
    // (e.g. entity_form_mode, entity_view_mode, ...).
    if (method_exists($entity, 'getTargetType')) {
      $form['id']['#field_prefix'] = $entity
        ->getTargetType() . '.';
    }
    if (method_exists($entity, 'load')) {
      $form['id']['#machine_name'] = [
        'exists' => get_class($entity) . '::load',
      ];
    }
    return $form;
  }

  /**
   * {@inheritdoc}
   */
  public function getValues(FormStateInterface $form_state) {

    // If entity must have a prefix
    // (e.g. entity_form_mode, entity_view_mode, ...).
    $field_prefix = '';
    if (isset($form_state
      ->getCompleteForm()['id']['#field_prefix'])) {
      $field_prefix = $form_state
        ->getCompleteForm()['id']['#field_prefix'];
    }
    return [
      'id' => $field_prefix . $form_state
        ->getValue('id'),
      'label' => $form_state
        ->getValue('label'),
    ];
  }

}

Classes

Name	Description
ConfigEntityCloneFormBase	Class ConfigEntityCloneFormBase.