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class CKEditorPluginManager in Drupal 8

Same name and namespace in other branches
  1. 9 core/modules/ckeditor/src/CKEditorPluginManager.php \Drupal\ckeditor\CKEditorPluginManager

Provides a CKEditor Plugin plugin manager.

Hierarchy

Expanded class hierarchy of CKEditorPluginManager

See also

\Drupal\ckeditor\CKEditorPluginInterface

\Drupal\ckeditor\CKEditorPluginButtonsInterface

\Drupal\ckeditor\CKEditorPluginContextualInterface

\Drupal\ckeditor\CKEditorPluginConfigurableInterface

\Drupal\ckeditor\CKEditorPluginCssInterface

\Drupal\ckeditor\CKEditorPluginBase

\Drupal\ckeditor\Annotation\CKEditorPlugin

Plugin API

3 files declare their use of CKEditorPluginManager
CKEditor.php in core/modules/ckeditor/src/Plugin/Editor/CKEditor.php
CKEditorPluginManagerTest.php in core/modules/ckeditor/tests/src/Unit/CKEditorPluginManagerTest.php
Internal.php in core/modules/ckeditor/src/Plugin/CKEditorPlugin/Internal.php
1 string reference to 'CKEditorPluginManager'
ckeditor.services.yml in core/modules/ckeditor/ckeditor.services.yml
core/modules/ckeditor/ckeditor.services.yml
1 service uses CKEditorPluginManager
plugin.manager.ckeditor.plugin in core/modules/ckeditor/ckeditor.services.yml
Drupal\ckeditor\CKEditorPluginManager

File

core/modules/ckeditor/src/CKEditorPluginManager.php, line 24

Namespace

Drupal\ckeditor
View source 
class CKEditorPluginManager extends DefaultPluginManager {

  /**
   * Constructs a CKEditorPluginManager 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) {
    parent::__construct('Plugin/CKEditorPlugin', $namespaces, $module_handler, 'Drupal\\ckeditor\\CKEditorPluginInterface', 'Drupal\\ckeditor\\Annotation\\CKEditorPlugin');
    $this
      ->alterInfo('ckeditor_plugin_info');
    $this
      ->setCacheBackend($cache_backend, 'ckeditor_plugins');
  }

  /**
   * Retrieves enabled plugins' files, keyed by plugin ID.
   *
   * For CKEditor plugins that implement:
   *  - CKEditorPluginButtonsInterface, not CKEditorPluginContextualInterface,
   *     a plugin is enabled if at least one of its buttons is in the toolbar;
   *  - CKEditorPluginContextualInterface, not CKEditorPluginButtonsInterface,
   *     a plugin is enabled if its isEnabled() method returns TRUE
   *  - both of these interfaces, a plugin is enabled if either is the case.
   *
   * Internal plugins (those that are part of the bundled build of CKEditor) are
   * excluded by default, since they are loaded implicitly. If you need to know
   * even implicitly loaded (i.e. internal) plugins, then set the optional
   * second parameter.
   *
   * @param \Drupal\editor\Entity\Editor $editor
   *   A configured text editor object.
   * @param bool $include_internal_plugins
   *   Defaults to FALSE. When set to TRUE, plugins whose isInternal() method
   *   returns TRUE will also be included.
   *
   * @return array
   *   A list of the enabled CKEditor plugins, with the plugin IDs as keys and
   *   the Drupal root-relative plugin files as values.
   *   For internal plugins, the value is NULL.
   */
  public function getEnabledPluginFiles(Editor $editor, $include_internal_plugins = FALSE) {
    $plugins = array_keys($this
      ->getDefinitions());
    $toolbar_buttons = $this
      ->getEnabledButtons($editor);
    $enabled_plugins = [];
    $additional_plugins = [];
    foreach ($plugins as $plugin_id) {
      $plugin = $this
        ->createInstance($plugin_id);
      if (!$include_internal_plugins && $plugin
        ->isInternal()) {
        continue;
      }
      $enabled = FALSE;

      // Enable this plugin if it provides a button that has been enabled.
      if ($plugin instanceof CKEditorPluginButtonsInterface) {
        $plugin_buttons = array_keys($plugin
          ->getButtons());
        $enabled = count(array_intersect($toolbar_buttons, $plugin_buttons)) > 0;
      }

      // Otherwise enable this plugin if it declares itself as enabled.
      if (!$enabled && $plugin instanceof CKEditorPluginContextualInterface) {
        $enabled = $plugin
          ->isEnabled($editor);
      }
      if ($enabled) {
        $enabled_plugins[$plugin_id] = $plugin
          ->isInternal() ? NULL : $plugin
          ->getFile();

        // Check if this plugin has dependencies that also need to be enabled.
        $additional_plugins = array_merge($additional_plugins, array_diff($plugin
          ->getDependencies($editor), $additional_plugins));
      }
    }

    // Add the list of dependent plugins.
    foreach ($additional_plugins as $plugin_id) {
      $plugin = $this
        ->createInstance($plugin_id);
      $enabled_plugins[$plugin_id] = $plugin
        ->isInternal() ? NULL : $plugin
        ->getFile();
    }

    // Always return plugins in the same order.
    asort($enabled_plugins);
    return $enabled_plugins;
  }

  /**
   * Gets the enabled toolbar buttons in the given text editor instance.
   *
   * @param \Drupal\editor\Entity\Editor $editor
   *   A configured text editor object.
   *
   * @return string[]
   *   A list of the toolbar buttons enabled in the given text editor instance.
   */
  public static function getEnabledButtons(Editor $editor) {
    $toolbar_rows = [];
    $settings = $editor
      ->getSettings();
    foreach ($settings['toolbar']['rows'] as $row_number => $row) {
      $toolbar_rows[] = array_reduce($settings['toolbar']['rows'][$row_number], function ($result, $button_group) {
        return array_merge($result, $button_group['items']);
      }, []);
    }
    return array_unique(NestedArray::mergeDeepArray($toolbar_rows));
  }

  /**
   * Retrieves all available CKEditor buttons, keyed by plugin ID.
   *
   * @return array
   *   All available CKEditor buttons, with plugin IDs as keys and button
   *   metadata (as implemented by getButtons()) as values.
   *
   * @see \Drupal\ckeditor\CKEditorPluginButtonsInterface::getButtons()
   */
  public function getButtons() {
    $plugins = array_keys($this
      ->getDefinitions());
    $buttons_plugins = [];
    foreach ($plugins as $plugin_id) {
      $plugin = $this
        ->createInstance($plugin_id);
      if ($plugin instanceof CKEditorPluginButtonsInterface) {
        $buttons_plugins[$plugin_id] = $plugin
          ->getButtons();
      }
    }
    return $buttons_plugins;
  }

  /**
   * Injects the CKEditor plugins settings forms as a vertical tabs subform.
   *
   * @param array &$form
   *   A reference to an associative array containing the structure of the form.
   * @param \Drupal\Core\Form\FormStateInterface $form_state
   *   The current state of the form.
   * @param \Drupal\editor\Entity\Editor $editor
   *   A configured text editor object.
   */
  public function injectPluginSettingsForm(array &$form, FormStateInterface $form_state, Editor $editor) {
    $definitions = $this
      ->getDefinitions();
    foreach (array_keys($definitions) as $plugin_id) {
      $plugin = $this
        ->createInstance($plugin_id);
      if ($plugin instanceof CKEditorPluginConfigurableInterface) {
        $plugin_settings_form = [];
        $form['plugins'][$plugin_id] = [
          '#type' => 'details',
          '#title' => $definitions[$plugin_id]['label'],
          '#open' => TRUE,
          '#group' => 'editor][settings][plugin_settings',
          '#attributes' => [
            'data-ckeditor-plugin-id' => $plugin_id,
          ],
        ];

        // Provide enough metadata for the drupal.ckeditor.admin library to
        // allow it to automatically show/hide the vertical tab containing the
        // settings for this plugin. Only do this if it's a CKEditor plugin that
        // just provides buttons, don't do this if it's a contextually enabled
        // CKEditor plugin. After all, in the latter case, we can't know when
        // its settings should be shown!
        if ($plugin instanceof CKEditorPluginButtonsInterface && !$plugin instanceof CKEditorPluginContextualInterface) {
          $form['plugins'][$plugin_id]['#attributes']['data-ckeditor-buttons'] = implode(' ', array_keys($plugin
            ->getButtons()));
        }
        $form['plugins'][$plugin_id] += $plugin
          ->settingsForm($plugin_settings_form, $form_state, $editor);
      }
    }
  }

  /**
   * Retrieves enabled plugins' iframe instance CSS files, keyed by plugin ID.
   *
   * @param \Drupal\editor\Entity\Editor $editor
   *   A configured text editor object.
   *
   * @return string[]
   *   Enabled plugins CKEditor CSS files, with plugin IDs as keys and CSS file
   *   paths relative to the Drupal root (as implemented by getCssFiles()) as
   *   values.
   *
   * @see \Drupal\ckeditor\CKEditorPluginCssInterface::getCssFiles()
   */
  public function getCssFiles(Editor $editor) {
    $enabled_plugins = array_keys($this
      ->getEnabledPluginFiles($editor, TRUE));
    $css_files = [];
    foreach ($enabled_plugins as $plugin_id) {
      $plugin = $this
        ->createInstance($plugin_id);
      if ($plugin instanceof CKEditorPluginCssInterface) {
        $css_files[$plugin_id] = $plugin
          ->getCssFiles($editor);
      }
    }
    return $css_files;
  }

}

Members

Namesort descending Modifiers Type Description Overrides
CKEditorPluginManager::getButtons public function Retrieves all available CKEditor buttons, keyed by plugin ID.
CKEditorPluginManager::getCssFiles public function Retrieves enabled plugins' iframe instance CSS files, keyed by plugin ID.
CKEditorPluginManager::getEnabledButtons public static function Gets the enabled toolbar buttons in the given text editor instance.
CKEditorPluginManager::getEnabledPluginFiles public function Retrieves enabled plugins' files, keyed by plugin ID.
CKEditorPluginManager::injectPluginSettingsForm public function Injects the CKEditor plugins settings forms as a vertical tabs subform.
CKEditorPluginManager::__construct public function Constructs a CKEditorPluginManager object. Overrides DefaultPluginManager::__construct
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::$definitions protected property Cached definitions array. 1
DiscoveryCachedTrait::getDefinition public function Overrides DiscoveryTrait::getDefinition 3
DiscoveryTrait::doGetDefinition protected function Gets a specific plugin definition.
DiscoveryTrait::hasDefinition public function
PluginManagerBase::$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.