TwigExtensionsPluginManager.php in Twig Extender 8

Namespace

Drupal\twig_extender\Plugin\Twig

File

src/Plugin/Twig/TwigExtensionsPluginManager.php

<?php

namespace Drupal\twig_extender\Plugin\Twig;

use Drupal\Core\Plugin\DefaultPluginManager;
use Drupal\Core\Plugin\Discovery\YamlDiscoveryDecorator;
use Drupal\Core\Cache\CacheBackendInterface;
use Drupal\Core\Extension\ModuleHandlerInterface;
use Drupal\Core\Extension\ThemeHandlerInterface;

/**
 * Plugin type manager for all twig plugins.
 */
class TwigExtensionsPluginManager extends DefaultPluginManager implements TwigPluginManagerInterface {

  /**
   * Constructs a TwigExtensionsPluginManager object.
   *
   * @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 $cacheBackend
   *   Cache backend instance to use.
   * @param \Drupal\Core\Extension\ModuleHandlerInterface $moduleHandler
   *   The module handler to invoke the alter hook with.
   * @param \Drupal\Core\Extension\ThemeHandlerInterface $themeHandler
   *   The theme handle to invoke the alter hook with.
   */
  public function __construct(\Traversable $namespaces, CacheBackendInterface $cacheBackend, ModuleHandlerInterface $moduleHandler, ThemeHandlerInterface $themeHandler) {
    $pluginInterface = 'Drupal\\twig_extender\\Plugin\\Twig\\TwigExtensionInterface';
    $pluginAnnotation = 'Drupal\\twig_extender\\Annotation\\TwigPlugin';
    parent::__construct("Plugin/TwigPlugin", $namespaces, $moduleHandler, $pluginInterface, $pluginAnnotation);
    $discovery = $this
      ->getDiscovery();
    $this->discovery = new YamlDiscoveryDecorator($discovery, 'twigplugins', $moduleHandler
      ->getModuleDirectories() + $themeHandler
      ->getThemeDirectories());
    $this->themeHandler = $themeHandler;
    $this->moduleHandler = $moduleHandler;
    $this
      ->setCacheBackend($cacheBackend, 'twig_extender');
    $this->defaults += array(
      'class' => 'Drupal\\twig_extender\\Plugin\\Twig\\TwigPluginBase',
    );
    $this
      ->alterInfo('twig_extender');
  }

  /**
   * {@inheritdoc}
   */
  protected function providerExists($provider) {
    return $this->moduleHandler
      ->moduleExists($provider) || $this->themeHandler
      ->themeExists($provider);
  }

  /**
   * {@inheritdoc}
   */
  public function processDefinition(&$definition, $pluginId) {
    parent::processDefinition($definition, $pluginId);

    // Add the module or theme path to the 'path'.
    if ($this->moduleHandler
      ->moduleExists($definition['provider'])) {
      $definition['provider_type'] = 'module';
      return;
    }
    elseif ($this->themeHandler
      ->themeExists($definition['provider'])) {
      $definition['provider_type'] = 'theme';
      return;
    }
  }

}

Classes

Name	Description
TwigExtensionsPluginManager	Plugin type manager for all twig plugins.