BatUnitAutocompleteMatcher.php in Booking and Availability Management Tools for Drupal 8

Namespace

Drupal\bat_calendar_reference

File

modules/bat_calendar_reference/src/BatUnitAutocompleteMatcher.php

<?php

namespace Drupal\bat_calendar_reference;

use Drupal\Component\Utility\Html;
use Drupal\Component\Utility\Tags;
use Drupal\Core\Entity\EntityAutocompleteMatcher;

/**
 * Matcher class to get autocompletion results for entity reference.
 */
class BatUnitAutocompleteMatcher extends EntityAutocompleteMatcher {

  /**
   * {@inheritdoc}
   */
  public function getMatches($target_type, $selection_handler, $selection_settings, $string = '') {
    $matches = [];
    $options = [
      'target_type' => $target_type,
      'handler' => $selection_handler,
      'handler_settings' => $selection_settings,
    ];
    $handler = $this->selectionManager
      ->getInstance($options);
    if (!empty($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);
          if (isset($selection_settings['unit_types'])) {
            $unit = bat_unit_load($entity_id);
            if (in_array($unit
              ->getUnitTypeId(), $selection_settings['unit_types'])) {
              $matches[] = [
                'value' => $key,
                'label' => $label,
              ];
            }
          }
          else {
            $matches[] = [
              'value' => $key,
              'label' => $label,
            ];
          }
        }
      }
    }
    return $matches;
  }

}

Classes

Name	Description
BatUnitAutocompleteMatcher	Matcher class to get autocompletion results for entity reference.