Version 1

[yaffs-website] / web / core / modules / taxonomy / src / Entity / Vocabulary.php

diff --git a/web/core/modules/taxonomy/src/Entity/Vocabulary.php b/web/core/modules/taxonomy/src/Entity/Vocabulary.php
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+++ b/web/core/modules/taxonomy/src/Entity/Vocabulary.php
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+<?php
+
+namespace Drupal\taxonomy\Entity;
+
+use Drupal\Core\Config\Entity\ConfigEntityBundleBase;
+use Drupal\Core\Entity\EntityStorageInterface;
+use Drupal\taxonomy\VocabularyInterface;
+
+/**
+ * Defines the taxonomy vocabulary entity.
+ *
+ * @ConfigEntityType(
+ *   id = "taxonomy_vocabulary",
+ *   label = @Translation("Taxonomy vocabulary"),
+ *   handlers = {
+ *     "storage" = "Drupal\taxonomy\VocabularyStorage",
+ *     "list_builder" = "Drupal\taxonomy\VocabularyListBuilder",
+ *     "form" = {
+ *       "default" = "Drupal\taxonomy\VocabularyForm",
+ *       "reset" = "Drupal\taxonomy\Form\VocabularyResetForm",
+ *       "delete" = "Drupal\taxonomy\Form\VocabularyDeleteForm"
+ *     }
+ *   },
+ *   admin_permission = "administer taxonomy",
+ *   config_prefix = "vocabulary",
+ *   bundle_of = "taxonomy_term",
+ *   entity_keys = {
+ *     "id" = "vid",
+ *     "label" = "name",
+ *     "weight" = "weight"
+ *   },
+ *   links = {
+ *     "add-form" = "/admin/structure/taxonomy/manage/{taxonomy_vocabulary}/add",
+ *     "delete-form" = "/admin/structure/taxonomy/manage/{taxonomy_vocabulary}/delete",
+ *     "reset-form" = "/admin/structure/taxonomy/manage/{taxonomy_vocabulary}/reset",
+ *     "overview-form" = "/admin/structure/taxonomy/manage/{taxonomy_vocabulary}/overview",
+ *     "edit-form" = "/admin/structure/taxonomy/manage/{taxonomy_vocabulary}",
+ *     "collection" = "/admin/structure/taxonomy",
+ *   },
+ *   config_export = {
+ *     "name",
+ *     "vid",
+ *     "description",
+ *     "hierarchy",
+ *     "weight",
+ *   }
+ * )
+ */
+class Vocabulary extends ConfigEntityBundleBase implements VocabularyInterface {
+
+  /**
+   * The taxonomy vocabulary ID.
+   *
+   * @var string
+   */
+  protected $vid;
+
+  /**
+   * Name of the vocabulary.
+   *
+   * @var string
+   */
+  protected $name;
+
+  /**
+   * Description of the vocabulary.
+   *
+   * @var string
+   */
+  protected $description;
+
+  /**
+   * The type of hierarchy allowed within the vocabulary.
+   *
+   * Possible values:
+   * - VocabularyInterface::HIERARCHY_DISABLED: No parents.
+   * - VocabularyInterface::HIERARCHY_SINGLE: Single parent.
+   * - VocabularyInterface::HIERARCHY_MULTIPL: Multiple parents.
+   *
+   * @var int
+   */
+  protected $hierarchy = VocabularyInterface::HIERARCHY_DISABLED;
+
+  /**
+   * The weight of this vocabulary in relation to other vocabularies.
+   *
+   * @var int
+   */
+  protected $weight = 0;
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getHierarchy() {
+    return $this->hierarchy;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function setHierarchy($hierarchy) {
+    $this->hierarchy = $hierarchy;
+    return $this;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function id() {
+    return $this->vid;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getDescription() {
+    return $this->description;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function preDelete(EntityStorageInterface $storage, array $entities) {
+    parent::preDelete($storage, $entities);
+
+    // Only load terms without a parent, child terms will get deleted too.
+    entity_delete_multiple('taxonomy_term', $storage->getToplevelTids(array_keys($entities)));
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function postDelete(EntityStorageInterface $storage, array $entities) {
+    parent::postDelete($storage, $entities);
+
+    // Reset caches.
+    $storage->resetCache(array_keys($entities));
+
+    if (reset($entities)->isSyncing()) {
+      return;
+    }
+
+    $vocabularies = [];
+    foreach ($entities as $vocabulary) {
+      $vocabularies[$vocabulary->id()] = $vocabulary->id();
+    }
+    // Load all Taxonomy module fields and delete those which use only this
+    // vocabulary.
+    $field_storages = entity_load_multiple_by_properties('field_storage_config', ['module' => 'taxonomy']);
+    foreach ($field_storages as $field_storage) {
+      $modified_storage = FALSE;
+      // Term reference fields may reference terms from more than one
+      // vocabulary.
+      foreach ($field_storage->getSetting('allowed_values') as $key => $allowed_value) {
+        if (isset($vocabularies[$allowed_value['vocabulary']])) {
+          $allowed_values = $field_storage->getSetting('allowed_values');
+          unset($allowed_values[$key]);
+          $field_storage->setSetting('allowed_values', $allowed_values);
+          $modified_storage = TRUE;
+        }
+      }
+      if ($modified_storage) {
+        $allowed_values = $field_storage->getSetting('allowed_values');
+        if (empty($allowed_values)) {
+          $field_storage->delete();
+        }
+        else {
+          // Update the field definition with the new allowed values.
+          $field_storage->save();
+        }
+      }
+    }
+  }
+
+}