openlayers-8.x-4.x-dev/src/OpenlayersPluginCollection.php

<?php

namespace Drupal\openlayers;

use Drupal\Core\Plugin\DefaultLazyPluginCollection;
use Drupal\Component\Utility\Unicode;

/**
 * A collection of Openlayers plugins.
 */
class OpenlayersPluginCollection extends DefaultLazyPluginCollection {

  /**
   * {@inheritdoc}
   *
   * @return \Drupal\image\ImageEffectInterface
   */
  public function &get($instance_id) {
    return parent::get($instance_id);
  }

  /**
   * {@inheritdoc}
   */
  public function sortHelper($aID, $bID) {
    $a_label = $this->get($aID)->label();
    $b_label = $this->get($bID)->label();
    return Unicode::strcasecmp($a_label, $b_label);
  }

  public function getEntity($layerId) {

    $config = $this->configurations[$layerId];

    if (isset($config['entityId'])) {
      $entityId = $config['entityId'];
    } else {

      \Drupal::messenger()->addError('Layer instance "' . $layerId . '" does not have a defined Entity ID.');
      return null;
    }

    $entity = \Drupal::entityTypeManager()
      ->getStorage('openlayers_layer')        //  TODO - need to generalise for all Types (not just layers).
      ->load($entityId)
    ;

    return $entity;
  }

}