Mercurial > hg > isophonics-drupal-site
view core/modules/views/src/Plugin/ViewsHandlerManager.php @ 0:4c8ae668cc8c
Initial import (non-working)
author | Chris Cannam |
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date | Wed, 29 Nov 2017 16:09:58 +0000 |
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<?php namespace Drupal\views\Plugin; use Drupal\Component\Plugin\FallbackPluginManagerInterface; use Drupal\Core\Cache\CacheBackendInterface; use Drupal\Core\Extension\ModuleHandlerInterface; use Drupal\Core\Plugin\DefaultPluginManager; use Drupal\views\ViewsData; use Symfony\Component\DependencyInjection\Container; use Drupal\views\Plugin\views\HandlerBase; /** * Plugin type manager for all views handlers. */ class ViewsHandlerManager extends DefaultPluginManager implements FallbackPluginManagerInterface { /** * The views data cache. * * @var \Drupal\views\ViewsData */ protected $viewsData; /** * The handler type. * * @var string * * @see \Drupal\views\ViewExecutable::getHandlerTypes(). */ protected $handlerType; /** * Constructs a ViewsHandlerManager object. * * @param string $handler_type * The plugin type, for example filter. * @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\views\ViewsData $views_data * The views data cache. * @param \Drupal\Core\Cache\CacheBackendInterface $cache_backend * Cache backend instance to use. * @param \Drupal\Core\Extension\ModuleHandlerInterface $module_handler * The module handler to invoke the alter hook with. */ public function __construct($handler_type, \Traversable $namespaces, ViewsData $views_data, CacheBackendInterface $cache_backend, ModuleHandlerInterface $module_handler) { $plugin_definition_annotation_name = 'Drupal\views\Annotation\Views' . Container::camelize($handler_type); $plugin_interface = 'Drupal\views\Plugin\views\ViewsHandlerInterface'; if ($handler_type == 'join') { $plugin_interface = 'Drupal\views\Plugin\views\join\JoinPluginInterface'; } parent::__construct("Plugin/views/$handler_type", $namespaces, $module_handler, $plugin_interface, $plugin_definition_annotation_name); $this->setCacheBackend($cache_backend, "views:$handler_type"); $this->alterInfo('views_plugins_' . $handler_type); $this->viewsData = $views_data; $this->handlerType = $handler_type; $this->defaults = [ 'plugin_type' => $handler_type, ]; } /** * Fetches a handler from the data cache. * * @param array $item * An associative array representing the handler to be retrieved: * - table: The name of the table containing the handler. * - field: The name of the field the handler represents. * @param string|null $override * (optional) Override the actual handler object with this plugin ID. Used for * aggregation when the handler is redirected to the aggregation handler. * * @return \Drupal\views\Plugin\views\ViewsHandlerInterface * An instance of a handler object. May be a broken handler instance. */ public function getHandler($item, $override = NULL) { $table = $item['table']; $field = $item['field']; // Get the plugin manager for this type. $data = $this->viewsData->get($table); if (isset($data[$field][$this->handlerType])) { $definition = $data[$field][$this->handlerType]; foreach (['group', 'title', 'title short', 'label', 'help', 'real field', 'real table', 'entity type', 'entity field'] as $key) { if (!isset($definition[$key])) { // First check the field level. if (!empty($data[$field][$key])) { $definition[$key] = $data[$field][$key]; } // Then if that doesn't work, check the table level. elseif (!empty($data['table'][$key])) { $definition_key = $key === 'entity type' ? 'entity_type' : $key; $definition[$definition_key] = $data['table'][$key]; } } } // @todo This is crazy. Find a way to remove the override functionality. $plugin_id = $override ?: $definition['id']; // Try to use the overridden handler. $handler = $this->createInstance($plugin_id, $definition); if ($override && method_exists($handler, 'broken') && $handler->broken()) { $handler = $this->createInstance($definition['id'], $definition); } return $handler; } // Finally, use the 'broken' handler. return $this->createInstance('broken', ['original_configuration' => $item]); } /** * {@inheritdoc} */ public function createInstance($plugin_id, array $configuration = []) { $instance = parent::createInstance($plugin_id, $configuration); if ($instance instanceof HandlerBase) { $instance->setModuleHandler($this->moduleHandler); $instance->setViewsData($this->viewsData); } return $instance; } /** * {@inheritdoc} */ public function getFallbackPluginId($plugin_id, array $configuration = []) { return 'broken'; } }