comparison core/modules/taxonomy/src/TermForm.php @ 14:1fec387a4317

Update Drupal core to 8.5.2 via Composer

 use Drupal\Core\Entity\ContentEntityForm;
 use Drupal\Core\Form\FormStateInterface;
 
 /**
  * Base for handler for taxonomy term edit forms.
+ *
+ * @internal
  */
 class TermForm extends ContentEntityForm {
 
   /**
    * {@inheritdoc}

     // \Drupal\taxonomy\TermStorageInterface::loadParents() may contain large
     // numbers of items so we check for taxonomy.settings:override_selector
     // before loading the full vocabulary. Contrib modules can then intercept
     // before hook_form_alter to provide scalable alternatives.
     if (!$this->config('taxonomy.settings')->get('override_selector')) {
-      $parent = array_keys($taxonomy_storage->loadParents($term->id()));
-      $children = $taxonomy_storage->loadTree($vocabulary->id(), $term->id());
+      $exclude = [];
+      if (!$term->isNew()) {
+        $parent = array_keys($taxonomy_storage->loadParents($term->id()));
+        $children = $taxonomy_storage->loadTree($vocabulary->id(), $term->id());
 
-      // A term can't be the child of itself, nor of its children.
-      foreach ($children as $child) {
-        $exclude[] = $child->tid;
+        // A term can't be the child of itself, nor of its children.
+        foreach ($children as $child) {
+          $exclude[] = $child->tid;
+        }
+        $exclude[] = $term->id();
       }
-      $exclude[] = $term->id();
 
       $tree = $taxonomy_storage->loadTree($vocabulary->id());
       $options = ['<' . $this->t('root') . '>'];
       if (empty($parent)) {
         $parent = [0];