diff core/modules/node/src/Plugin/EntityReferenceSelection/NodeSelection.php @ 0:4c8ae668cc8c

Initial import (non-working)

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/modules/node/src/Plugin/EntityReferenceSelection/NodeSelection.php	Wed Nov 29 16:09:58 2017 +0000
@@ -0,0 +1,75 @@
+<?php
+
+namespace Drupal\node\Plugin\EntityReferenceSelection;
+
+use Drupal\Core\Entity\Plugin\EntityReferenceSelection\DefaultSelection;
+use Drupal\Core\Form\FormStateInterface;
+use Drupal\node\NodeInterface;
+
+/**
+ * Provides specific access control for the node entity type.
+ *
+ * @EntityReferenceSelection(
+ *   id = "default:node",
+ *   label = @Translation("Node selection"),
+ *   entity_types = {"node"},
+ *   group = "default",
+ *   weight = 1
+ * )
+ */
+class NodeSelection extends DefaultSelection {
+
+  /**
+   * {@inheritdoc}
+   */
+  public function buildConfigurationForm(array $form, FormStateInterface $form_state) {
+    $form = parent::buildConfigurationForm($form, $form_state);
+    $form['target_bundles']['#title'] = $this->t('Content types');
+    return $form;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function buildEntityQuery($match = NULL, $match_operator = 'CONTAINS') {
+    $query = parent::buildEntityQuery($match, $match_operator);
+    // Adding the 'node_access' tag is sadly insufficient for nodes: core
+    // requires us to also know about the concept of 'published' and
+    // 'unpublished'. We need to do that as long as there are no access control
+    // modules in use on the site. As long as one access control module is there,
+    // it is supposed to handle this check.
+    if (!$this->currentUser->hasPermission('bypass node access') && !count($this->moduleHandler->getImplementations('node_grants'))) {
+      $query->condition('status', NodeInterface::PUBLISHED);
+    }
+    return $query;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function createNewEntity($entity_type_id, $bundle, $label, $uid) {
+    $node = parent::createNewEntity($entity_type_id, $bundle, $label, $uid);
+
+    // In order to create a referenceable node, it needs to published.
+    /** @var \Drupal\node\NodeInterface $node */
+    $node->setPublished(TRUE);
+
+    return $node;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function validateReferenceableNewEntities(array $entities) {
+    $entities = parent::validateReferenceableNewEntities($entities);
+    // Mirror the conditions checked in buildEntityQuery().
+    if (!$this->currentUser->hasPermission('bypass node access') && !count($this->moduleHandler->getImplementations('node_grants'))) {
+      $entities = array_filter($entities, function ($node) {
+        /** @var \Drupal\node\NodeInterface $node */
+        return $node->isPublished();
+      });
+    }
+    return $entities;
+  }
+
+}