comparison core/lib/Drupal/Core/Entity/EntityAutocompleteMatcher.php @ 0:4c8ae668cc8c

Initial import (non-working)

+<?php
+
+namespace Drupal\Core\Entity;
+
+use Drupal\Component\Utility\Html;
+use Drupal\Component\Utility\Tags;
+use Drupal\Core\Entity\EntityReferenceSelection\SelectionPluginManagerInterface;
+
+/**
+ * Matcher class to get autocompletion results for entity reference.
+ */
+class EntityAutocompleteMatcher {
+
+  /**
+   * The entity reference selection handler plugin manager.
+   *
+   * @var \Drupal\Core\Entity\EntityReferenceSelection\SelectionPluginManagerInterface
+   */
+  protected $selectionManager;
+
+  /**
+   * Constructs a EntityAutocompleteMatcher object.
+   *
+   * @param \Drupal\Core\Entity\EntityReferenceSelection\SelectionPluginManagerInterface $selection_manager
+   *   The entity reference selection handler plugin manager.
+   */
+  public function __construct(SelectionPluginManagerInterface $selection_manager) {
+    $this->selectionManager = $selection_manager;
+  }
+
+  /**
+   * Gets matched labels based on a given search string.
+   *
+   * @param string $target_type
+   *   The ID of the target entity type.
+   * @param string $selection_handler
+   *   The plugin ID of the entity reference selection handler.
+   * @param array $selection_settings
+   *   An array of settings that will be passed to the selection handler.
+   * @param string $string
+   *   (optional) The label of the entity to query by.
+   *
+   * @return array
+   *   An array of matched entity labels, in the format required by the AJAX
+   *   autocomplete API (e.g. array('value' => $value, 'label' => $label)).
+   *
+   * @throws \Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException
+   *   Thrown when the current user doesn't have access to the specified entity.
+   *
+   * @see \Drupal\system\Controller\EntityAutocompleteController
+   */
+  public function getMatches($target_type, $selection_handler, $selection_settings, $string = '') {
+    $matches = [];
+
+    $options = $selection_settings + [
+      'target_type' => $target_type,
+      'handler' => $selection_handler,
+    ];
+    $handler = $this->selectionManager->getInstance($options);
+
+    if (isset($string)) {
+      // Get an array of matching entities.
+      $match_operator = !empty($selection_settings['match_operator']) ? $selection_settings['match_operator'] : 'CONTAINS';
+      $entity_labels = $handler->getReferenceableEntities($string, $match_operator, 10);
+
+      // Loop through the entities and convert them into autocomplete output.
+      foreach ($entity_labels as $values) {
+        foreach ($values as $entity_id => $label) {
+          $key = "$label ($entity_id)";
+          // Strip things like starting/trailing white spaces, line breaks and
+          // tags.
+          $key = preg_replace('/\s\s+/', ' ', str_replace("\n", '', trim(Html::decodeEntities(strip_tags($key)))));
+          // Names containing commas or quotes must be wrapped in quotes.
+          $key = Tags::encode($key);
+          $matches[] = ['value' => $key, 'label' => $label];
+        }
+      }
+    }
+
+    return $matches;
+  }
+
+}