class FieldTypePluginManager

class FieldTypePluginManager extends DefaultPluginManager implements FieldTypePluginManagerInterface {
    use CategorizingPluginManagerTrait {
        getGroupedDefinitions as protected getGroupedDefinitionsTrait;
    }
    
    /**
     * Constructs the FieldTypePluginManager 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 \Drupal\Core\TypedData\TypedDataManagerInterface $typedDataManager
     *   The typed data manager.
     * @param \Drupal\Core\Field\FieldTypeCategoryManagerInterface $fieldTypeCategoryManager
     *   The field type category plugin manager.
     */
    public function __construct(\Traversable $namespaces, CacheBackendInterface $cache_backend, ModuleHandlerInterface $module_handler, TypedDataManagerInterface $typedDataManager, FieldTypeCategoryManagerInterface $fieldTypeCategoryManager) {
        parent::__construct('Plugin/Field/FieldType', $namespaces, $module_handler, FieldItemInterface::class, FieldType::class, 'Drupal\\Core\\Field\\Annotation\\FieldType');
        $this->alterInfo('field_info');
        $this->setCacheBackend($cache_backend, 'field_types_plugins');
    }
    
    /**
     * {@inheritdoc}
     *
     * Creates a field item, which is not part of an entity or field item list.
     *
     * @param string $field_type
     *   The field type, for which a field item should be created.
     * @param array $configuration
     *   The plugin configuration array, i.e. an array with the following keys:
     *   - field_definition: The field definition object, i.e. an instance of
     *     Drupal\Core\Field\FieldDefinitionInterface.
     *
     * @return \Drupal\Core\Field\FieldItemInterface
     *   The instantiated object.
     */
    public function createInstance($field_type, array $configuration = []) {
        $configuration['data_definition'] = $configuration['field_definition']->getItemDefinition();
        return $this->typedDataManager
            ->createInstance("field_item:{$field_type}", $configuration);
    }
    
    /**
     * {@inheritdoc}
     */
    public function createFieldItemList(FieldableEntityInterface $entity, $field_name, $values = NULL) {
        // Leverage prototyping of the Typed Data API for fast instantiation.
        return $this->typedDataManager
            ->getPropertyInstance($entity->getTypedData(), $field_name, $values);
    }
    
    /**
     * {@inheritdoc}
     */
    public function createFieldItem(FieldItemListInterface $items, $index, $values = NULL) {
        // Leverage prototyping of the Typed Data API for fast instantiation.
        return $this->typedDataManager
            ->getPropertyInstance($items, $index, $values);
    }
    
    /**
     * {@inheritdoc}
     */
    public function processDefinition(&$definition, $plugin_id) {
        parent::processDefinition($definition, $plugin_id);
        if (!isset($definition['list_class'])) {
            $definition['list_class'] = '\\Drupal\\Core\\Field\\FieldItemList';
        }
        if (empty($definition['category'])) {
            $definition['category'] = FieldTypeCategoryManagerInterface::FALLBACK_CATEGORY;
        }
    }
    
    /**
     * {@inheritdoc}
     */
    public function getDefaultStorageSettings($type) {
        $plugin_definition = $this->getDefinition($type, FALSE);
        if (!empty($plugin_definition['class'])) {
            $plugin_class = DefaultFactory::getPluginClass($type, $plugin_definition);
            return $plugin_class::defaultStorageSettings();
        }
        return [];
    }
    
    /**
     * {@inheritdoc}
     */
    public function getDefaultFieldSettings($type) {
        $plugin_definition = $this->getDefinition($type, FALSE);
        if (!empty($plugin_definition['class'])) {
            $plugin_class = DefaultFactory::getPluginClass($type, $plugin_definition);
            return $plugin_class::defaultFieldSettings();
        }
        return [];
    }
    
    /**
     * {@inheritdoc}
     */
    public function getStorageSettingsSummary(FieldStorageDefinitionInterface $storage_definition) : array {
        $plugin_definition = $this->getDefinition($storage_definition->getType(), FALSE);
        if (!empty($plugin_definition['class'])) {
            $plugin_class = DefaultFactory::getPluginClass($storage_definition->getType(), $plugin_definition);
            return $plugin_class::storageSettingsSummary($storage_definition);
        }
        return [];
    }
    
    /**
     * {@inheritdoc}
     */
    public function getFieldSettingsSummary(FieldDefinitionInterface $field_definition) : array {
        $plugin_definition = $this->getDefinition($field_definition->getType(), FALSE);
        if (!empty($plugin_definition['class'])) {
            $plugin_class = DefaultFactory::getPluginClass($field_definition->getType(), $plugin_definition);
            return $plugin_class::fieldSettingsSummary($field_definition);
        }
        return [];
    }
    
    /**
     * Gets sorted field type definitions grouped by category.
     *
     * In addition to grouping, both categories and its entries are sorted,
     * whereas plugin definitions are sorted by label.
     *
     * @param array[]|null $definitions
     *   (optional) The plugin definitions to group. If omitted, all plugin
     *   definitions are used.
     * @param string $label_key
     *   (optional) The array key to use as the label of the field type.
     * @param string $category_label_key
     *   (optional) The array key to use as the label of the category.
     *
     * @return array[]
     *   Keys are category names, and values are arrays of which the keys are
     *   plugin IDs and the values are plugin definitions.
     */
    public function getGroupedDefinitions(?array $definitions = NULL, $label_key = 'label', $category_label_key = 'label') {
        $grouped_categories = $this->getGroupedDefinitionsTrait($definitions, $label_key);
        $category_info = $this->fieldTypeCategoryManager
            ->getDefinitions();
        // Ensure that all the referenced categories exist.
        foreach ($grouped_categories as $group => $definitions) {
            if (!isset($category_info[$group])) {
                assert(FALSE, "\"{$group}\" must be defined in MODULE_NAME.field_type_categories.yml");
                if (!isset($grouped_categories[FieldTypeCategoryManagerInterface::FALLBACK_CATEGORY])) {
                    $grouped_categories[FieldTypeCategoryManagerInterface::FALLBACK_CATEGORY] = [];
                }
                $grouped_categories[FieldTypeCategoryManagerInterface::FALLBACK_CATEGORY] += $definitions;
                unset($grouped_categories[$group]);
            }
        }
        $normalized_grouped_categories = [];
        foreach ($grouped_categories as $group => $definitions) {
            $normalized_grouped_categories[(string) $category_info[$group][$category_label_key]] = $definitions;
        }
        return $normalized_grouped_categories;
    }
    
    /**
     * {@inheritdoc}
     */
    public function getUiDefinitions() {
        $definitions = $this->getDefinitions();
        // Filter out definitions that can not be configured in Field UI.
        $definitions = array_filter($definitions, function ($definition) {
            return empty($definition['no_ui']);
        });
        // Add preconfigured definitions.
        foreach ($definitions as $id => $definition) {
            if (is_subclass_of($definition['class'], '\\Drupal\\Core\\Field\\PreconfiguredFieldUiOptionsInterface')) {
                foreach ($this->getPreconfiguredOptions($definition['id']) as $key => $option) {
                    $definitions["field_ui:{$id}:{$key}"] = array_intersect_key($option, [
                        'label' => 0,
                        'category' => 1,
                        'weight' => 1,
                        'description' => 0,
                    ]) + $definition;
                }
            }
        }
        return $definitions;
    }
    
    /**
     * {@inheritdoc}
     */
    public function getEntityTypeUiDefinitions(string $entity_type_id) : array {
        $ui_definitions = $this->getUiDefinitions();
        $this->moduleHandler
            ->alter('field_info_entity_type_ui_definitions', $ui_definitions, $entity_type_id);
        return $ui_definitions;
    }
    
    /**
     * {@inheritdoc}
     */
    public function getPreconfiguredOptions($field_type) {
        $options = [];
        $class = $this->getPluginClass($field_type);
        if (is_subclass_of($class, '\\Drupal\\Core\\Field\\PreconfiguredFieldUiOptionsInterface')) {
            $options = $class::getPreconfiguredOptions();
            $this->moduleHandler
                ->alter('field_ui_preconfigured_options', $options, $field_type);
        }
        return $options;
    }
    
    /**
     * {@inheritdoc}
     */
    public function getPluginClass($type) {
        return $this->getDefinition($type)['class'];
    }

}