aleph1.co.uk Git - yaffs-website/blob - web/core/modules/taxonomy/src/Plugin/EntityReferenceSelection/TermSelection.php

   1 <?php
   2
   3 namespace Drupal\taxonomy\Plugin\EntityReferenceSelection;
   4
   5 use Drupal\Component\Utility\Html;
   6 use Drupal\Core\Database\Query\SelectInterface;
   7 use Drupal\Core\Entity\Plugin\EntityReferenceSelection\DefaultSelection;
   8 use Drupal\Core\Form\FormStateInterface;
   9 use Drupal\taxonomy\Entity\Vocabulary;
  10
  11 /**
  12  * Provides specific access control for the taxonomy_term entity type.
  13  *
  14  * @EntityReferenceSelection(
  15  *   id = "default:taxonomy_term",
  16  *   label = @Translation("Taxonomy Term selection"),
  17  *   entity_types = {"taxonomy_term"},
  18  *   group = "default",
  19  *   weight = 1
  20  * )
  21  */
  22 class TermSelection extends DefaultSelection {
  23
  24   /**
  25    * {@inheritdoc}
  26    */
  27   public function entityQueryAlter(SelectInterface $query) {
  28     // @todo: How to set access, as vocabulary is now config?
  29   }
  30
  31   /**
  32    * {@inheritdoc}
  33    */
  34   public function buildConfigurationForm(array $form, FormStateInterface $form_state) {
  35     $form = parent::buildConfigurationForm($form, $form_state);
  36
  37     $form['target_bundles']['#title'] = $this->t('Available Vocabularies');
  38
  39     // Sorting is not possible for taxonomy terms because we use
  40     // \Drupal\taxonomy\TermStorageInterface::loadTree() to retrieve matches.
  41     $form['sort']['#access'] = FALSE;
  42
  43     return $form;
  44
  45   }
  46
  47   /**
  48    * {@inheritdoc}
  49    */
  50   public function getReferenceableEntities($match = NULL, $match_operator = 'CONTAINS', $limit = 0) {
  51     if ($match || $limit) {
  52       $this->configuration['handler_settings']['sort'] = ['field' => 'name', 'direction' => 'asc'];
  53       return parent::getReferenceableEntities($match, $match_operator, $limit);
  54     }
  55
  56     $options = [];
  57
  58     $bundles = $this->entityManager->getBundleInfo('taxonomy_term');
  59     $handler_settings = $this->configuration['handler_settings'];
  60     $bundle_names = !empty($handler_settings['target_bundles']) ? $handler_settings['target_bundles'] : array_keys($bundles);
  61
  62     foreach ($bundle_names as $bundle) {
  63       if ($vocabulary = Vocabulary::load($bundle)) {
  64         if ($terms = $this->entityManager->getStorage('taxonomy_term')->loadTree($vocabulary->id(), 0, NULL, TRUE)) {
  65           foreach ($terms as $term) {
  66             $options[$vocabulary->id()][$term->id()] = str_repeat('-', $term->depth) . Html::escape($this->entityManager->getTranslationFromContext($term)->label());
  67           }
  68         }
  69       }
  70     }
  71
  72     return $options;
  73   }
  74
  75 }