public function TaxonomyTreeBuilder::createTreeNode in Entity Reference Tree Widget 8

Same name and namespace in other branches

1. 2.x src/Tree/TaxonomyTreeBuilder.php \Drupal\entity_reference_tree\Tree\TaxonomyTreeBuilder::createTreeNode()

Create a tree node.

Parameters

\Drupal\taxonomy\TermInterface $entity: The entity for the tree node.

array $selected: An anrray for all selected nodes.

Return value

array The tree node for the entity.

Overrides TreeBuilderInterface::createTreeNode

File

src/Tree/TaxonomyTreeBuilder.php, line 74

Class

TaxonomyTreeBuilder

Provides a class for building a tree from taxonomy entity.

Namespace

Drupal\entity_reference_tree\Tree

Code

public function createTreeNode($entity, array $selected = []) {
  $parent = $entity->parents[0];
  $text = $entity->name;
  \Drupal::moduleHandler()
    ->alter('entity_reference_tree_create_term_node', $text, $entity);
  if ($parent === '0') {
    $parent = '#';
  }

  // Compare the current language with the term's language.
  // If the language is different,
  // It need to be translated.
  if ($entity->langcode !== $this->langCode) {
    $term = Term::load($entity->tid);

    // Get the translated content.
    if ($term
      ->hasTranslation($this->langCode)) {
      $trans = $term
        ->getTranslation($this->langCode);
      $text = $trans
        ->getName();
    }
  }
  $node = [
    // Required.
    'id' => $entity->tid,
    // Required.
    'parent' => $parent,
    // Node text.
    'text' => $text,
    'state' => [
      'selected' => FALSE,
    ],
  ];
  if (in_array($entity->tid, $selected)) {

    // Initially selected node.
    $node['state']['selected'] = TRUE;
  }
  return $node;
}