class BlockManager

Same name in other branches
  1. 9 core/lib/Drupal/Core/Block/BlockManager.php \Drupal\Core\Block\BlockManager
  2. 10 core/lib/Drupal/Core/Block/BlockManager.php \Drupal\Core\Block\BlockManager
  3. 11.x core/lib/Drupal/Core/Block/BlockManager.php \Drupal\Core\Block\BlockManager

Manages discovery and instantiation of block plugins.

@todo Add documentation to this class.

Hierarchy

Expanded class hierarchy of BlockManager

See also

\Drupal\Core\Block\BlockPluginInterface

1 file declares its use of BlockManager
BlockManagerTest.php in core/tests/Drupal/Tests/Core/Block/BlockManagerTest.php
1 string reference to 'BlockManager'
core.services.yml in core/core.services.yml
core/core.services.yml
1 service uses BlockManager
plugin.manager.block in core/core.services.yml
Drupal\Core\Block\BlockManager

File

core/lib/Drupal/Core/Block/BlockManager.php, line 20

Namespace

Drupal\Core\Block
View source
class BlockManager extends DefaultPluginManager implements BlockManagerInterface, FallbackPluginManagerInterface {
    use CategorizingPluginManagerTrait {
        getSortedDefinitions as traitGetSortedDefinitions;
    }
    use FilteredPluginManagerTrait;
    
    /**
     * The logger.
     *
     * @var \Psr\Log\LoggerInterface
     */
    protected $logger;
    
    /**
     * Constructs a new \Drupal\Core\Block\BlockManager 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.
     * @param \Psr\Log\LoggerInterface $logger
     *   The logger.
     */
    public function __construct(\Traversable $namespaces, CacheBackendInterface $cache_backend, ModuleHandlerInterface $module_handler, LoggerInterface $logger) {
        parent::__construct('Plugin/Block', $namespaces, $module_handler, 'Drupal\\Core\\Block\\BlockPluginInterface', 'Drupal\\Core\\Block\\Annotation\\Block');
        $this->alterInfo($this->getType());
        $this->setCacheBackend($cache_backend, 'block_plugins');
        $this->logger = $logger;
    }
    
    /**
     * {@inheritdoc}
     */
    protected function getType() {
        return 'block';
    }
    
    /**
     * {@inheritdoc}
     */
    public function processDefinition(&$definition, $plugin_id) {
        parent::processDefinition($definition, $plugin_id);
        $this->processDefinitionCategory($definition);
    }
    
    /**
     * {@inheritdoc}
     */
    public function getSortedDefinitions(array $definitions = NULL) {
        // Sort the plugins first by category, then by admin label.
        $definitions = $this->traitGetSortedDefinitions($definitions, 'admin_label');
        // Do not display the 'broken' plugin in the UI.
        unset($definitions['broken']);
        return $definitions;
    }
    
    /**
     * {@inheritdoc}
     */
    public function getFallbackPluginId($plugin_id, array $configuration = []) {
        return 'broken';
    }
    
    /**
     * {@inheritdoc}
     */
    protected function handlePluginNotFound($plugin_id, array $configuration) {
        $this->logger
            ->warning('The "%plugin_id" was not found', [
            '%plugin_id' => $plugin_id,
        ]);
        return parent::handlePluginNotFound($plugin_id, $configuration);
    }

}

Members

Title Sort descending Modifiers Object type Summary Member alias Overriden Title Overrides
BlockManager::$logger protected property The logger.
BlockManager::getFallbackPluginId public function Gets a fallback id for a missing plugin. Overrides FallbackPluginManagerInterface::getFallbackPluginId
BlockManager::getSortedDefinitions public function
BlockManager::getType protected function A string identifying the plugin type. Overrides FilteredPluginManagerTrait::getType
BlockManager::handlePluginNotFound protected function Allows plugin managers to specify custom behavior if a plugin is not found. Overrides PluginManagerBase::handlePluginNotFound
BlockManager::processDefinition public function Performs extra processing on plugin definitions. Overrides DefaultPluginManager::processDefinition
BlockManager::__construct public function Constructs a new \Drupal\Core\Block\BlockManager object. Overrides DefaultPluginManager::__construct
CategorizingPluginManagerTrait::getCategories public function
CategorizingPluginManagerTrait::getGroupedDefinitions public function
CategorizingPluginManagerTrait::getModuleHandler public function Returns the module handler used.
CategorizingPluginManagerTrait::getProviderName protected function Gets the name of a provider.
CategorizingPluginManagerTrait::getSortedDefinitions public function Aliased as: traitGetSortedDefinitions
CategorizingPluginManagerTrait::processDefinitionCategory protected function Processes a plugin definition to ensure there is a category.
ContextAwarePluginManagerTrait::contextHandler protected function Wraps the context handler. 1
ContextAwarePluginManagerTrait::getDefinitions abstract public function See \Drupal\Component\Plugin\Discovery\DiscoveryInterface::getDefinitions(). 1
ContextAwarePluginManagerTrait::getDefinitionsForContexts public function See \Drupal\Core\Plugin\Context\ContextAwarePluginManagerInterface::getDefinitionsForContexts().
DefaultPluginManager::$additionalAnnotationNamespaces protected property Additional namespaces the annotation discovery mechanism should scan for
annotation definitions.
DefaultPluginManager::$alterHook protected property Name of the alter hook if one should be invoked.
DefaultPluginManager::$cacheKey protected property The cache key.
DefaultPluginManager::$cacheTags protected property An array of cache tags to use for the cached definitions.
DefaultPluginManager::$defaults protected property A set of defaults to be referenced by $this->processDefinition() if
additional processing of plugins is necessary or helpful for development
purposes.
9
DefaultPluginManager::$moduleHandler protected property The module handler to invoke the alter hook. 1
DefaultPluginManager::$namespaces protected property An object that implements \Traversable which contains the root paths
keyed by the corresponding namespace to look for plugin implementations.
DefaultPluginManager::$pluginDefinitionAnnotationName protected property The name of the annotation that contains the plugin definition.
DefaultPluginManager::$pluginInterface protected property The interface each plugin should implement. 1
DefaultPluginManager::$subdir protected property The subdirectory within a namespace to look for plugins, or FALSE if the
plugins are in the top level of the namespace.
DefaultPluginManager::alterDefinitions protected function Invokes the hook to alter the definitions if the alter hook is set. 1
DefaultPluginManager::alterInfo protected function Sets the alter hook name.
DefaultPluginManager::clearCachedDefinitions public function Clears static and persistent plugin definition caches. Overrides CachedDiscoveryInterface::clearCachedDefinitions 5
DefaultPluginManager::extractProviderFromDefinition protected function Extracts the provider from a plugin definition.
DefaultPluginManager::findDefinitions protected function Finds plugin definitions. 7
DefaultPluginManager::fixContextAwareDefinitions private function Fix the definitions of context-aware plugins.
DefaultPluginManager::getCacheContexts public function The cache contexts associated with this object. Overrides CacheableDependencyInterface::getCacheContexts
DefaultPluginManager::getCachedDefinitions protected function Returns the cached plugin definitions of the decorated discovery class.
DefaultPluginManager::getCacheMaxAge public function The maximum age for which this object may be cached. Overrides CacheableDependencyInterface::getCacheMaxAge
DefaultPluginManager::getCacheTags public function The cache tags associated with this object. Overrides CacheableDependencyInterface::getCacheTags
DefaultPluginManager::getDiscovery protected function Gets the plugin discovery. Overrides PluginManagerBase::getDiscovery 12
DefaultPluginManager::getFactory protected function Gets the plugin factory. Overrides PluginManagerBase::getFactory
DefaultPluginManager::providerExists protected function Determines if the provider of a definition exists. 3
DefaultPluginManager::setCacheBackend public function Initialize the cache backend.
DefaultPluginManager::setCachedDefinitions protected function Sets a cache of plugin definitions for the decorated discovery class.
DefaultPluginManager::useCaches public function Disable the use of caches. Overrides CachedDiscoveryInterface::useCaches 1
DiscoveryCachedTrait::$definitions protected property Cached definitions array. 1
DiscoveryCachedTrait::getDefinition public function Overrides DiscoveryTrait::getDefinition 3
DiscoveryTrait::doGetDefinition protected function Gets a specific plugin definition.
DiscoveryTrait::hasDefinition public function
FilteredPluginManagerTrait::getFilteredDefinitions public function Implements \Drupal\Core\Plugin\FilteredPluginManagerInterface::getFilteredDefinitions().
FilteredPluginManagerTrait::moduleHandler protected function Wraps the module handler. 1
FilteredPluginManagerTrait::themeManager protected function Wraps the theme manager. 1
PluginManagerBase::$discovery protected property The object that discovers plugins managed by this manager.
PluginManagerBase::$factory protected property The object that instantiates plugins managed by this manager.
PluginManagerBase::$mapper protected property The object that returns the preconfigured plugin instance appropriate for a particular runtime condition.
PluginManagerBase::createInstance public function 12
PluginManagerBase::getInstance public function 7
StringTranslationTrait::$stringTranslation protected property The string translation service.
StringTranslationTrait::formatPlural protected function Formats a string containing a count of items.
StringTranslationTrait::getNumberOfPlurals protected function Returns the number of plurals supported by a given language.
StringTranslationTrait::getStringTranslation protected function Gets the string translation service.
StringTranslationTrait::setStringTranslation public function Sets the string translation service to use. 2
StringTranslationTrait::t protected function Translates a string to the current language or to a given language.
UseCacheBackendTrait::$cacheBackend protected property Cache backend instance.
UseCacheBackendTrait::$useCaches protected property Flag whether caches should be used or skipped.
UseCacheBackendTrait::cacheGet protected function Fetches from the cache backend, respecting the use caches flag. 1
UseCacheBackendTrait::cacheSet protected function Stores data in the persistent cache, respecting the use caches flag.

Buggy or inaccurate documentation? Please file an issue. Need support? Need help programming? Connect with the Drupal community.