trait FilteredPluginManagerTrait

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

Provides a trait for plugin managers that allow filtering plugin definitions.

Hierarchy

4 files declare their use of FilteredPluginManagerTrait
BlockManager.php in core/lib/Drupal/Core/Block/BlockManager.php
ConditionManager.php in core/lib/Drupal/Core/Condition/ConditionManager.php
FilteredPluginManagerTraitTest.php in core/tests/Drupal/Tests/Core/Plugin/FilteredPluginManagerTraitTest.php
LayoutPluginManager.php in core/lib/Drupal/Core/Layout/LayoutPluginManager.php

File

core/lib/Drupal/Core/Plugin/FilteredPluginManagerTrait.php, line 12

Namespace

Drupal\Core\Plugin
View source 
trait FilteredPluginManagerTrait {
    use ContextAwarePluginManagerTrait;
    
    /**
     * Implements \Drupal\Core\Plugin\FilteredPluginManagerInterface::getFilteredDefinitions().
     */
    public function getFilteredDefinitions($consumer, $contexts = NULL, array $extra = []) {
        if (!is_null($contexts)) {
            $definitions = $this->getDefinitionsForContexts($contexts);
        }
        else {
            $definitions = $this->getDefinitions();
        }
        $type = $this->getType();
        $hooks = [];
        $hooks[] = "plugin_filter_{$type}";
        $hooks[] = "plugin_filter_{$type}__{$consumer}";
        $this->moduleHandler()
            ->alter($hooks, $definitions, $extra, $consumer);
        $this->themeManager()
            ->alter($hooks, $definitions, $extra, $consumer);
        return $definitions;
    }
    
    /**
     * A string identifying the plugin type.
     *
     * This string should be unique and generally will correspond to the string
     * used by the discovery, e.g. the annotation class or the YAML file name.
     *
     * @return string
     *   A string identifying the plugin type.
     */
    protected abstract function getType();
    
    /**
     * Wraps the module handler.
     *
     * @return \Drupal\Core\Extension\ModuleHandlerInterface
     *   The module handler.
     */
    protected function moduleHandler() {
        if (property_exists($this, 'moduleHandler') && $this->moduleHandler instanceof ModuleHandlerInterface) {
            return $this->moduleHandler;
        }
        return \Drupal::service('module_handler');
    }
    
    /**
     * Wraps the theme manager.
     *
     * @return \Drupal\Core\Theme\ThemeManagerInterface
     *   The theme manager.
     */
    protected function themeManager() {
        if (property_exists($this, 'themeManager') && $this->themeManager instanceof ThemeManagerInterface) {
            return $this->themeManager;
        }
        return \Drupal::service('theme.manager');
    }

}

Members

Title Modifiers Object type Summary Overrides
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().
FilteredPluginManagerTrait::getFilteredDefinitions public function Implements \Drupal\Core\Plugin\FilteredPluginManagerInterface::getFilteredDefinitions().
FilteredPluginManagerTrait::getType abstract protected function A string identifying the plugin type. 4
FilteredPluginManagerTrait::moduleHandler protected function Wraps the module handler. 1
FilteredPluginManagerTrait::themeManager protected function Wraps the theme manager. 1

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