Chris@0: <?php
Chris@0: 
Chris@0: namespace Drupal\node\Plugin\EntityReferenceSelection;
Chris@0: 
Chris@0: use Drupal\Core\Entity\Plugin\EntityReferenceSelection\DefaultSelection;
Chris@0: use Drupal\Core\Form\FormStateInterface;
Chris@0: use Drupal\node\NodeInterface;
Chris@0: 
Chris@0: /**
Chris@0:  * Provides specific access control for the node entity type.
Chris@0:  *
Chris@0:  * @EntityReferenceSelection(
Chris@0:  *   id = "default:node",
Chris@0:  *   label = @Translation("Node selection"),
Chris@0:  *   entity_types = {"node"},
Chris@0:  *   group = "default",
Chris@0:  *   weight = 1
Chris@0:  * )
Chris@0:  */
Chris@0: class NodeSelection extends DefaultSelection {
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function buildConfigurationForm(array $form, FormStateInterface $form_state) {
Chris@0:     $form = parent::buildConfigurationForm($form, $form_state);
Chris@0:     $form['target_bundles']['#title'] = $this->t('Content types');
Chris@0:     return $form;
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   protected function buildEntityQuery($match = NULL, $match_operator = 'CONTAINS') {
Chris@0:     $query = parent::buildEntityQuery($match, $match_operator);
Chris@0:     // Adding the 'node_access' tag is sadly insufficient for nodes: core
Chris@0:     // requires us to also know about the concept of 'published' and
Chris@0:     // 'unpublished'. We need to do that as long as there are no access control
Chris@0:     // modules in use on the site. As long as one access control module is there,
Chris@0:     // it is supposed to handle this check.
Chris@0:     if (!$this->currentUser->hasPermission('bypass node access') && !count($this->moduleHandler->getImplementations('node_grants'))) {
Chris@0:       $query->condition('status', NodeInterface::PUBLISHED);
Chris@0:     }
Chris@0:     return $query;
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function createNewEntity($entity_type_id, $bundle, $label, $uid) {
Chris@0:     $node = parent::createNewEntity($entity_type_id, $bundle, $label, $uid);
Chris@0: 
Chris@0:     // In order to create a referenceable node, it needs to published.
Chris@0:     /** @var \Drupal\node\NodeInterface $node */
Chris@0:     $node->setPublished(TRUE);
Chris@0: 
Chris@0:     return $node;
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function validateReferenceableNewEntities(array $entities) {
Chris@0:     $entities = parent::validateReferenceableNewEntities($entities);
Chris@0:     // Mirror the conditions checked in buildEntityQuery().
Chris@0:     if (!$this->currentUser->hasPermission('bypass node access') && !count($this->moduleHandler->getImplementations('node_grants'))) {
Chris@0:       $entities = array_filter($entities, function ($node) {
Chris@0:         /** @var \Drupal\node\NodeInterface $node */
Chris@0:         return $node->isPublished();
Chris@0:       });
Chris@0:     }
Chris@0:     return $entities;
Chris@0:   }
Chris@0: 
Chris@0: }