aleph1.co.uk Git - yaffs-website/blob - web/core/modules/field_ui/src/Form/EntityDisplayModeAddForm.php

   1 <?php
   2
   3 namespace Drupal\field_ui\Form;
   4
   5 use Drupal\Core\Form\FormStateInterface;
   6 use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
   7
   8 /**
   9  * Provides the add form for entity display modes.
  10  *
  11  * @internal
  12  */
  13 class EntityDisplayModeAddForm extends EntityDisplayModeFormBase {
  14
  15   /**
  16    * The entity type for which the display mode is being created.
  17    *
  18    * @var string
  19    */
  20   protected $targetEntityTypeId;
  21
  22   /**
  23    * {@inheritdoc}
  24    */
  25   public function buildForm(array $form, FormStateInterface $form_state, $entity_type_id = NULL) {
  26     $this->targetEntityTypeId = $entity_type_id;
  27     $form = parent::buildForm($form, $form_state);
  28     // Change replace_pattern to avoid undesired dots.
  29     $form['id']['#machine_name']['replace_pattern'] = '[^a-z0-9_]+';
  30     $definition = $this->entityManager->getDefinition($this->targetEntityTypeId);
  31     $form['#title'] = $this->t('Add new %label @entity-type', ['%label' => $definition->getLabel(), '@entity-type' => $this->entityType->getLowercaseLabel()]);
  32     return $form;
  33   }
  34
  35   /**
  36    * {@inheritdoc}
  37    */
  38   public function validateForm(array &$form, FormStateInterface $form_state) {
  39     parent::validateForm($form, $form_state);
  40
  41     $form_state->setValueForElement($form['id'], $this->targetEntityTypeId . '.' . $form_state->getValue('id'));
  42   }
  43
  44   /**
  45    * {@inheritdoc}
  46    */
  47   protected function prepareEntity() {
  48     $definition = $this->entityManager->getDefinition($this->targetEntityTypeId);
  49     if (!$definition->get('field_ui_base_route') || !$definition->hasViewBuilderClass()) {
  50       throw new NotFoundHttpException();
  51     }
  52
  53     $this->entity->setTargetType($this->targetEntityTypeId);
  54   }
  55
  56 }