entity_agree-2.0.x-dev/src/AgreementHandlerPluginManager.php

<?php

namespace Drupal\entity_agree;

use Drupal\Core\Cache\CacheBackendInterface;
use Drupal\Core\Extension\ModuleHandlerInterface;
use Drupal\Core\Plugin\DefaultPluginManager;

/**
 * Plugin manager for agreement handlers.
 */
class AgreementHandlerPluginManager extends DefaultPluginManager {

  /**
   * Constructs a new AliasType manager instance.
   *
   * @param \Traversable $namespaces
   *   An object that implements \Traversable which contains the root paths
   *   keyed by the corresponding namespace to look for plugin implementations.
   * @param \Drupal\Core\Cache\CacheBackendInterface $cache_backend
   *   Cache backend instance to use.
   * @param \Drupal\Core\Extension\ModuleHandlerInterface $module_handler
   *   The module handler to invoke the alter hook with.
   */
  public function __construct(\Traversable $namespaces, CacheBackendInterface $cache_backend, ModuleHandlerInterface $module_handler) {
    parent::__construct('Plugin/entity_agree/AgreementHandler', $namespaces, $module_handler, 'Drupal\entity_agree\AgreementHandlerInterface', 'Drupal\entity_agree\Annotation\AgreementHandler');
    $this->alterInfo('entity_agree_handler');
    $this->setCacheBackend($cache_backend, 'entity_agree_handlers');
  }

  /**
   * Get the options for selecting an agreement handler plugin.
   *
   * @param array $exclude
   *   Plugin IDs to exclude from options. Optional, defaults to no plugin
   *   excluded.
   *
   * @return array
   *   The options for selecting an agreement handler plugin.
   */
  public function getPluginSelectionOptions(array $exclude = []) {
    $options = [];
    foreach ($this->getDefinitions() as $definition) {
      if (in_array($definition['id'], $exclude)) {
        continue;
      }

      if ($definition['category']) {
        $options[(string) $definition['category']][$definition['id']] = $definition['label'];
      }
      else {
        $options[$definition['id']] = $definition['label'];
      }
    }
    return $options;
  }

}