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view core/lib/Drupal/Core/Condition/ConditionManager.php @ 19:fa3358dc1485 tip
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author | Chris Cannam |
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date | Wed, 28 Aug 2019 13:14:47 +0100 |
parents | 129ea1e6d783 |
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<?php namespace Drupal\Core\Condition; use Drupal\Component\Plugin\CategorizingPluginManagerInterface; use Drupal\Core\Cache\CacheBackendInterface; use Drupal\Core\Executable\ExecutableManagerInterface; use Drupal\Core\Executable\ExecutableInterface; use Drupal\Core\Extension\ModuleHandlerInterface; use Drupal\Core\Plugin\CategorizingPluginManagerTrait; use Drupal\Core\Plugin\DefaultPluginManager; use Drupal\Core\Plugin\FilteredPluginManagerInterface; use Drupal\Core\Plugin\FilteredPluginManagerTrait; /** * A plugin manager for condition plugins. * * @see \Drupal\Core\Condition\Annotation\Condition * @see \Drupal\Core\Condition\ConditionInterface * @see \Drupal\Core\Condition\ConditionPluginBase * * @ingroup plugin_api */ class ConditionManager extends DefaultPluginManager implements ExecutableManagerInterface, CategorizingPluginManagerInterface, FilteredPluginManagerInterface { use CategorizingPluginManagerTrait; use FilteredPluginManagerTrait; /** * Constructs a ConditionManager 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 $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) { $this->alterInfo('condition_info'); $this->setCacheBackend($cache_backend, 'condition_plugins'); parent::__construct('Plugin/Condition', $namespaces, $module_handler, 'Drupal\Core\Condition\ConditionInterface', 'Drupal\Core\Condition\Annotation\Condition'); } /** * {@inheritdoc} */ protected function getType() { return 'condition'; } /** * {@inheritdoc} */ public function createInstance($plugin_id, array $configuration = []) { $plugin = $this->getFactory()->createInstance($plugin_id, $configuration); // If we receive any context values via config set it into the plugin. if (!empty($configuration['context'])) { foreach ($configuration['context'] as $name => $context) { $plugin->setContextValue($name, $context); } } return $plugin->setExecutableManager($this); } /** * {@inheritdoc} */ public function execute(ExecutableInterface $condition) { $result = $condition->evaluate(); return $condition->isNegated() ? !$result : $result; } }