{% extends "base/class.php.twig" %}
{% block file_path %}
\Drupal\{{ module }}\{{ class_name }}Manager.
{% endblock %}
{% block namespace_class %}
namespace Drupal\{{ module }};
{% endblock %}
{% block use_class %}
use Drupal\Component\Plugin\Exception\PluginException;
use Drupal\Core\Cache\CacheBackendInterface;
use Drupal\Core\Extension\ModuleHandlerInterface;
use Drupal\Core\Plugin\DefaultPluginManager;
use Drupal\Core\Plugin\Discovery\ContainerDerivativeDiscoveryDecorator;
use Drupal\Core\Plugin\Discovery\YamlDiscovery;
{% endblock %}
{% block class_declaration %}
/**
* Provides the default {{ plugin_name }} manager.
*/
class {{ class_name }}Manager extends DefaultPluginManager implements {{ class_name }}ManagerInterface {% endblock %}
{% block class_methods %}
/**
* Provides default values for all {{ plugin_name }} plugins.
*
* @var array
*/
protected $defaults = [
// Add required and optional plugin properties.
'id' => '',
'label' => '',
];
/**
* Constructs a new {{ class_name }}Manager object.
*
* @param \Drupal\Core\Extension\ModuleHandlerInterface $module_handler
* The module handler.
* @param \Drupal\Core\Cache\CacheBackendInterface $cache_backend
* Cache backend instance to use.
*/
public function __construct(ModuleHandlerInterface $module_handler, CacheBackendInterface $cache_backend) {
// Add more services as required.
$this->moduleHandler = $module_handler;
$this->setCacheBackend($cache_backend, '{{ plugin_name }}', ['{{ plugin_name }}']);
}
/**
* {@inheritdoc}
*/
protected function getDiscovery() {
if (!isset($this->discovery)) {
$this->discovery = new YamlDiscovery('{{ plugin_file_name }}', $this->moduleHandler->getModuleDirectories());
$this->discovery->addTranslatableProperty('label', 'label_context');
$this->discovery = new ContainerDerivativeDiscoveryDecorator($this->discovery);
}
return $this->discovery;
}
/**
* {@inheritdoc}
*/
public function processDefinition(&$definition, $plugin_id) {
parent::processDefinition($definition, $plugin_id);
// You can add validation of the plugin definition here.
if (empty($definition['id'])) {
throw new PluginException(sprintf('Example plugin property (%s) definition "is" is required.', $plugin_id));
}
}
// Add other methods here as defined in the {{ class_name }}ManagerInterface.
{% endblock %}