LayoutBuilderLocalTaskDeriver.php

<?php

namespace Drupal\layout_builder\Plugin\Derivative;

use Drupal\Component\Plugin\Derivative\DeriverBase;
use Drupal\Core\Entity\EntityTypeManagerInterface;
use Drupal\Core\Plugin\Discovery\ContainerDeriverInterface;
use Drupal\Core\StringTranslation\StringTranslationTrait;
use Drupal\layout_builder\Plugin\SectionStorage\SectionStorageLocalTaskProviderInterface;
use Drupal\layout_builder\SectionStorage\SectionStorageManagerInterface;
use Symfony\Component\DependencyInjection\ContainerInterface;

/**
 * Provides local task definitions for the layout builder user interface.
 *
 * @todo Remove this in https://www.drupal.org/project/drupal/issues/2936655.
 *
 * @internal
 *   Plugin derivers are internal.
 */
class LayoutBuilderLocalTaskDeriver extends DeriverBase implements ContainerDeriverInterface {
    use StringTranslationTrait;
    
    /**
     * The entity type manager.
     *
     * @var \Drupal\Core\Entity\EntityTypeManagerInterface
     */
    protected $entityTypeManager;
    
    /**
     * The section storage manager.
     *
     * @var \Drupal\layout_builder\SectionStorage\SectionStorageManagerInterface
     */
    protected $sectionStorageManager;
    
    /**
     * Constructs a new LayoutBuilderLocalTaskDeriver.
     *
     * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager
     *   The entity type manager.
     * @param \Drupal\layout_builder\SectionStorage\SectionStorageManagerInterface $section_storage_manager
     *   The section storage manager.
     */
    public function __construct(EntityTypeManagerInterface $entity_type_manager, SectionStorageManagerInterface $section_storage_manager) {
        $this->entityTypeManager = $entity_type_manager;
        $this->sectionStorageManager = $section_storage_manager;
    }
    
    /**
     * {@inheritdoc}
     */
    public static function create(ContainerInterface $container, $base_plugin_id) {
        return new static($container->get('entity_type.manager'), $container->get('plugin.manager.layout_builder.section_storage'));
    }
    
    /**
     * {@inheritdoc}
     */
    public function getDerivativeDefinitions($base_plugin_definition) {
        foreach ($this->sectionStorageManager
            ->getDefinitions() as $plugin_id => $definition) {
            $section_storage = $this->sectionStorageManager
                ->loadEmpty($plugin_id);
            if ($section_storage instanceof SectionStorageLocalTaskProviderInterface) {
                $this->derivatives += $section_storage->buildLocalTasks($base_plugin_definition);
            }
        }
        return $this->derivatives;
    }

}