class ImageEffectsPluginManager in Image Effects 8

Plugin manager for image_effects plugins.

Hierarchy

• class \Drupal\Component\Plugin\PluginManagerBase implements PluginManagerInterface uses DiscoveryTrait
  • class \Drupal\Core\Plugin\DefaultPluginManager implements CachedDiscoveryInterface, PluginManagerInterface, CacheableDependencyInterface uses DiscoveryCachedTrait, UseCacheBackendTrait
    • class \Drupal\image_effects\Plugin\ImageEffectsPluginManager

1 file declares its use of ImageEffectsPluginManager

SettingsForm.php in src/Form/SettingsForm.php

1 string reference to 'ImageEffectsPluginManager'

image_effects.services.yml in ./image_effects.services.yml

image_effects.services.yml

3 services use ImageEffectsPluginManager

plugin.manager.image_effects.color_selector in ./image_effects.services.yml

Drupal\image_effects\Plugin\ImageEffectsPluginManager

plugin.manager.image_effects.font_selector in ./image_effects.services.yml

Drupal\image_effects\Plugin\ImageEffectsPluginManager

plugin.manager.image_effects.image_selector in ./image_effects.services.yml

Drupal\image_effects\Plugin\ImageEffectsPluginManager

File

src/Plugin/ImageEffectsPluginManager.php, line 15

Namespace

Drupal\image_effects\Plugin

class ImageEffectsPluginManager extends DefaultPluginManager {

  /**
   * The configuration object.
   *
   * @var \Drupal\Core\Config\Config
   */
  protected $config;

  /**
   * Constructs an ImageEffectsPluginManager 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.
   * @param string $type
   *   The plugin type, for example 'color_selector'.
   * @param \Drupal\Core\Config\ConfigFactoryInterface $config_factory
   *   The configuration factory.
   */
  public function __construct(\Traversable $namespaces, CacheBackendInterface $cache_backend, ModuleHandlerInterface $module_handler, $type, ConfigFactoryInterface $config_factory) {
    $path = Container::camelize($type);
    $this->config = $config_factory
      ->get('image_effects.settings');
    parent::__construct("Plugin/image_effects/{$path}", $namespaces, $module_handler);
    $this
      ->alterInfo("image_effects_{$type}_plugin_info");
    $this
      ->setCacheBackend($cache_backend, "image_effects_{$type}_plugins");
    $this->defaults += [
      'plugin_type' => $type,
    ];
  }

  /**
   * Get the 'image_effects' plugin type.
   *
   * @return string
   *   The plugin type.
   */
  public function getType() {
    return $this->defaults['plugin_type'];
  }

  /**
   * Returns an instance of the specified 'image_effects' plugin.
   *
   * @param string $plugin_id
   *   The plugin id.
   *
   * @return \Drupal\image_effects\Plugin\ImageEffectsPluginBaseInterface
   *   An instance of the specified 'image_effects' plugin.
   */
  public function getPlugin($plugin_id = NULL) {
    $plugin_id = $plugin_id ?: $this->config
      ->get($this
      ->getType() . '.plugin_id');
    $plugins = $this
      ->getAvailablePlugins();

    // Check if plugin is available.
    if (!isset($plugins[$plugin_id]) || !class_exists($plugins[$plugin_id]['class'])) {
      trigger_error("image_effects " . $this
        ->getType() . " handling plugin '{$plugin_id}' is no longer available.", E_USER_ERROR);
      $plugin_id = NULL;
    }
    return $this
      ->createInstance($plugin_id, [
      'plugin_type' => $this
        ->getType(),
    ]);
  }

  /**
   * Gets a list of available plugins.
   *
   * @return array
   *   An array with the plugin ids as keys and the definitions as values.
   */
  public function getAvailablePlugins() {
    $plugins = $this
      ->getDefinitions();
    $output = [];
    foreach ($plugins as $id => $definition) {

      // Only allow plugins that are available.
      if (call_user_func($definition['class'] . '::isAvailable')) {
        $output[$id] = $definition;
      }
    }
    return $output;
  }

  /**
   * Gets a formatted list of available plugins.
   *
   * @return array
   *   An array with the plugin ids as keys and the descriptions as values.
   */
  public function getPluginOptions() {
    $options = [];
    foreach ($this
      ->getAvailablePlugins() as $plugin) {
      $options[$plugin['id']] = SafeMarkup::format('<b>@title</b> - @description', [
        '@title' => $plugin['short_title'],
        '@description' => $plugin['help'],
      ]);
    }
    return $options;
  }

}

Members

Name	Modifiers	Type	Description	Overrides
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::getDefinitions	public	function	Gets the definition of all plugins for this type. Overrides DiscoveryTrait::getDefinitions	2
DefaultPluginManager::getDiscovery	protected	function	Gets the plugin discovery. Overrides PluginManagerBase::getDiscovery	12
DefaultPluginManager::getFactory	protected	function	Gets the plugin factory. Overrides PluginManagerBase::getFactory
DefaultPluginManager::processDefinition	public	function	Performs extra processing on plugin definitions.	13
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::$definitions	protected	property	Cached definitions array.	1
DiscoveryCachedTrait::getDefinition	public	function	Overrides DiscoveryTrait::getDefinition	3
DiscoveryTrait::doGetDefinition	protected	function	Gets a specific plugin definition.
DiscoveryTrait::hasDefinition	public	function
ImageEffectsPluginManager::$config	protected	property	The configuration object.
ImageEffectsPluginManager::getAvailablePlugins	public	function	Gets a list of available plugins.
ImageEffectsPluginManager::getPlugin	public	function	Returns an instance of the specified 'image_effects' plugin.
ImageEffectsPluginManager::getPluginOptions	public	function	Gets a formatted list of available plugins.
ImageEffectsPluginManager::getType	public	function	Get the 'image_effects' plugin type.
ImageEffectsPluginManager::__construct	public	function	Constructs an ImageEffectsPluginManager object. Overrides DefaultPluginManager::__construct
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::$mapper	protected	property	The object that returns the preconfigured plugin instance appropriate for a particular runtime condition.
PluginManagerBase::createInstance	public	function	Creates a pre-configured instance of a plugin. Overrides FactoryInterface::createInstance	12
PluginManagerBase::getInstance	public	function	Gets a preconfigured instance of a plugin. Overrides MapperInterface::getInstance	7
PluginManagerBase::handlePluginNotFound	protected	function	Allows plugin managers to specify custom behavior if a plugin is not found.	1
UseCacheBackendTrait::$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.