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[yaffs-website] / 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\Entity\Plugin\EntityReferenceSelection\DefaultSelection;
7 use Drupal\Core\Form\FormStateInterface;
8 use Drupal\taxonomy\Entity\Vocabulary;
9
10 /**
11  * Provides specific access control for the taxonomy_term entity type.
12  *
13  * @EntityReferenceSelection(
14  *   id = "default:taxonomy_term",
15  *   label = @Translation("Taxonomy Term selection"),
16  *   entity_types = {"taxonomy_term"},
17  *   group = "default",
18  *   weight = 1
19  * )
20  */
21 class TermSelection extends DefaultSelection {
22
23   /**
24    * {@inheritdoc}
25    */
26   public function defaultConfiguration() {
27     return [
28       'sort' => [
29         'field' => 'name',
30         'direction' => 'asc',
31       ]
32     ] + parent::defaultConfiguration();
33   }
34
35   /**
36    * {@inheritdoc}
37    */
38   public function buildConfigurationForm(array $form, FormStateInterface $form_state) {
39     $form = parent::buildConfigurationForm($form, $form_state);
40
41     $form['target_bundles']['#title'] = $this->t('Available Vocabularies');
42
43     // Sorting is not possible for taxonomy terms because we use
44     // \Drupal\taxonomy\TermStorageInterface::loadTree() to retrieve matches.
45     $form['sort']['#access'] = FALSE;
46
47     return $form;
48
49   }
50
51   /**
52    * {@inheritdoc}
53    */
54   public function getReferenceableEntities($match = NULL, $match_operator = 'CONTAINS', $limit = 0) {
55     if ($match || $limit) {
56       return parent::getReferenceableEntities($match, $match_operator, $limit);
57     }
58
59     $options = [];
60
61     $bundles = $this->entityManager->getBundleInfo('taxonomy_term');
62     $bundle_names = $this->getConfiguration()['target_bundles'] ?: array_keys($bundles);
63
64     foreach ($bundle_names as $bundle) {
65       if ($vocabulary = Vocabulary::load($bundle)) {
66         if ($terms = $this->entityManager->getStorage('taxonomy_term')->loadTree($vocabulary->id(), 0, NULL, TRUE)) {
67           foreach ($terms as $term) {
68             $options[$vocabulary->id()][$term->id()] = str_repeat('-', $term->depth) . Html::escape($this->entityManager->getTranslationFromContext($term)->label());
69           }
70         }
71       }
72     }
73
74     return $options;
75   }
76
77 }