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