trait CategorizingPluginManagerTrait

Same name in other branches
  1. 8.9.x core/lib/Drupal/Core/Plugin/CategorizingPluginManagerTrait.php \Drupal\Core\Plugin\CategorizingPluginManagerTrait
  2. 10 core/lib/Drupal/Core/Plugin/CategorizingPluginManagerTrait.php \Drupal\Core\Plugin\CategorizingPluginManagerTrait
  3. 11.x core/lib/Drupal/Core/Plugin/CategorizingPluginManagerTrait.php \Drupal\Core\Plugin\CategorizingPluginManagerTrait

Provides a trait for the CategorizingPluginManagerInterface.

The trait provides methods for categorizing plugin definitions based on a 'category' key. The plugin manager should make sure there is a default category. For that the trait's processDefinitionCategory() method can be invoked from the processDefinition() method.

Hierarchy

See also

\Drupal\Component\Plugin\CategorizingPluginManagerInterface

5 files declare their use of CategorizingPluginManagerTrait
ActionManager.php in core/lib/Drupal/Core/Action/ActionManager.php
BlockManager.php in core/lib/Drupal/Core/Block/BlockManager.php
CategorizingPluginManagerTraitTest.php in core/tests/Drupal/Tests/Core/Plugin/CategorizingPluginManagerTraitTest.php
Contains \Drupal\Tests\Core\Plugin\CategorizingPluginManagerTraitTest.
ConditionManager.php in core/lib/Drupal/Core/Condition/ConditionManager.php
FieldTypePluginManager.php in core/lib/Drupal/Core/Field/FieldTypePluginManager.php

File

core/lib/Drupal/Core/Plugin/CategorizingPluginManagerTrait.php, line 17

Namespace

Drupal\Core\Plugin
View source
trait CategorizingPluginManagerTrait {
    use StringTranslationTrait;
    
    /**
     * Processes a plugin definition to ensure there is a category.
     *
     * If the definition lacks a category, it defaults to the providing module.
     *
     * @param array $definition
     *   The plugin definition.
     */
    protected function processDefinitionCategory(&$definition) {
        // Ensure that every plugin has a category.
        if (empty($definition['category'])) {
            // Default to the human readable module name if the provider is a module;
            // otherwise the provider machine name is used.
            $definition['category'] = $this->getProviderName($definition['provider']);
        }
    }
    
    /**
     * Gets the name of a provider.
     *
     * @param string $provider
     *   The machine name of a plugin provider.
     *
     * @return string
     *   The human-readable module name if it exists, otherwise the
     *   machine-readable name passed.
     */
    protected function getProviderName($provider) {
        $list = $this->getModuleHandler()
            ->getModuleList();
        // If the module exists, return its human-readable name.
        if (isset($list[$provider])) {
            return $this->getModuleHandler()
                ->getName($provider);
        }
        // Otherwise, return the machine name.
        return $provider;
    }
    
    /**
     * Returns the module handler used.
     *
     * @return \Drupal\Core\Extension\ModuleHandlerInterface
     *   The module handler.
     */
    public function getModuleHandler() {
        // If the class has an injected module handler, use it. Otherwise fall back
        // to fetch it from the service container.
        if (isset($this->moduleHandler)) {
            return $this->moduleHandler;
        }
        return \Drupal::moduleHandler();
    }
    
    /**
     * {@inheritdoc}
     */
    public function getCategories() {
        
        /** @var \Drupal\Core\Plugin\CategorizingPluginManagerTrait|\Drupal\Component\Plugin\PluginManagerInterface $this */
        // Fetch all categories from definitions and remove duplicates.
        $categories = array_unique(array_values(array_map(function ($definition) {
            return $definition['category'];
        }, $this->getDefinitions())));
        natcasesort($categories);
        return $categories;
    }
    
    /**
     * {@inheritdoc}
     */
    public function getSortedDefinitions(array $definitions = NULL, $label_key = 'label') {
        // Sort the plugins first by category, then by label.
        
        /** @var \Drupal\Core\Plugin\CategorizingPluginManagerTrait|\Drupal\Component\Plugin\PluginManagerInterface $this */
        $definitions = $definitions ?? $this->getDefinitions();
        uasort($definitions, function ($a, $b) use ($label_key) {
            if ((string) $a['category'] != (string) $b['category']) {
                return strnatcasecmp($a['category'], $b['category']);
            }
            return strnatcasecmp($a[$label_key], $b[$label_key]);
        });
        return $definitions;
    }
    
    /**
     * {@inheritdoc}
     */
    public function getGroupedDefinitions(array $definitions = NULL, $label_key = 'label') {
        
        /** @var \Drupal\Core\Plugin\CategorizingPluginManagerTrait|\Drupal\Component\Plugin\PluginManagerInterface $this */
        $definitions = $this->getSortedDefinitions($definitions ?? $this->getDefinitions(), $label_key);
        $grouped_definitions = [];
        foreach ($definitions as $id => $definition) {
            $grouped_definitions[(string) $definition['category']][$id] = $definition;
        }
        return $grouped_definitions;
    }

}

Members

Title Sort descending Modifiers Object type Summary Overrides
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
CategorizingPluginManagerTrait::processDefinitionCategory protected function Processes a plugin definition to ensure there is a category.
StringTranslationTrait::$stringTranslation protected property The string translation service. 3
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.

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