SiteSettingEntityForm.php in Site Settings and Labels 8

Namespace

Drupal\site_settings\Form

File

src/Form/SiteSettingEntityForm.php

<?php

namespace Drupal\site_settings\Form;

use Drupal\Component\Datetime\TimeInterface;
use Drupal\Core\Entity\ContentEntityForm;
use Drupal\Core\Entity\EntityRepositoryInterface;
use Drupal\Core\Entity\EntityTypeBundleInfoInterface;
use Drupal\Core\Form\FormStateInterface;
use Drupal\site_settings\Entity\SiteSettingEntityType;
use Drupal\site_settings\SiteSettingsLoader;
use Symfony\Component\DependencyInjection\ContainerInterface;

/**
 * Form controller for Site Setting edit forms.
 *
 * @ingroup site_settings
 */
class SiteSettingEntityForm extends ContentEntityForm {

  /**
   * The site settings loader.
   *
   * @var \Drupal\site_settings\SiteSettingsLoader
   */
  protected $siteSettingsLoader;

  /**
   * Constructs a ContentEntityForm object.
   *
   * @param \Drupal\Core\Entity\EntityRepositoryInterface $entity_repository
   *   The entity repository service.
   * @param \Drupal\Core\Entity\EntityTypeBundleInfoInterface $entity_type_bundle_info
   *   The entity type bundle service.
   * @param \Drupal\Component\Datetime\TimeInterface $time
   *   The time service.
   * @param \Drupal\site_settings\SiteSettingsLoader $site_settings_loader
   *   The site settings loader service.
   */
  public function __construct(EntityRepositoryInterface $entity_repository, EntityTypeBundleInfoInterface $entity_type_bundle_info = NULL, TimeInterface $time = NULL, SiteSettingsLoader $site_settings_loader) {
    parent::__construct($entity_repository, $entity_type_bundle_info, $time);
    $this->siteSettingsLoader = $site_settings_loader;
  }

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container) {
    return new static($container
      ->get('entity.repository'), $container
      ->get('entity_type.bundle.info'), $container
      ->get('datetime.time'), $container
      ->get('site_settings.loader'));
  }

  /**
   * {@inheritdoc}
   */
  public function buildForm(array $form, FormStateInterface $form_state) {

    /* @var $entity \Drupal\site_settings\Entity\SiteSettingEntity */
    $form = parent::buildForm($form, $form_state);
    $site_settings_entity_type = SiteSettingEntityType::load($this->entity
      ->getType());
    $form['heading1'] = [
      '#markup' => '<h2>' . $site_settings_entity_type
        ->get('label') . '</h2>',
      '#weight' => -100,
    ];

    // Set entity title and fieldset to match the bundle.
    $form['name']['widget'][0]['value']['#value'] = $site_settings_entity_type
      ->get('label');
    $form['fieldset']['widget'][0]['value']['#value'] = $site_settings_entity_type
      ->get('fieldset');

    // Hide fields.
    hide($form['name']);
    hide($form['user_id']);
    hide($form['fieldset']);
    if (isset($form['multiple'])) {
      hide($form['multiple']);
    }
    return $form;
  }

  /**
   * {@inheritdoc}
   */
  public function validateForm(array &$form, FormStateInterface $form_state) {
    parent::validateForm($form, $form_state);
    $entity = $this->entity;
    $entity_bundle = $entity
      ->bundle();
    $entity_type = $entity
      ->getEntityType()
      ->getBundleEntityType();

    // Get existing entities in this settings bundle.
    $query = $this->entityTypeManager
      ->getStorage('site_setting_entity')
      ->getQuery();
    $query
      ->condition('type', $entity_bundle);
    $existing = $query
      ->execute();
    $bundle = $this->entityTypeManager
      ->getStorage($entity_type)
      ->load($entity_bundle);
    if (!$bundle->multiple) {
      if (count($existing) > 0 && $entity
        ->id() != reset($existing)) {
        $form_state
          ->setErrorByName('name', $this
          ->t('There can only be one of this setting.'));
      }
    }
  }

  /**
   * {@inheritdoc}
   */
  public function save(array $form, FormStateInterface $form_state) {

    // Save the form.
    $status = parent::save($form, $form_state);
    switch ($status) {
      case SAVED_NEW:
        $this
          ->messenger()
          ->addMessage($this
          ->t('Created the %label Site Setting.', [
          '%label' => $this->entity
            ->label(),
        ]));
        break;
      default:
        $this
          ->messenger()
          ->addMessage($this
          ->t('Saved the %label Site Setting.', [
          '%label' => $this->entity
            ->label(),
        ]));
    }

    // Clear the site settings cache.
    $this->siteSettingsLoader
      ->clearCache();
    $form_state
      ->setRedirect('entity.site_setting_entity.collection');
  }

}

Classes

Name	Description
SiteSettingEntityForm	Form controller for Site Setting edit forms.