DevelLocalTask.php

<?php

namespace Drupal\devel\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\Core\StringTranslation\TranslationInterface;
use Symfony\Component\DependencyInjection\ContainerInterface;

/**
 * Provides local task definitions for all entity bundles.
 *
 * @see \Drupal\devel\Controller\EntityDebugController
 * @see \Drupal\devel\Routing\RouteSubscriber
 */
class DevelLocalTask extends DeriverBase implements ContainerDeriverInterface {
    use StringTranslationTrait;
    
    /**
     * The entity manager.
     *
     * @var \Drupal\Core\Entity\EntityTypeManagerInterface
     */
    protected $entityTypeManager;
    
    /**
     * Creates an DevelLocalTask object.
     *
     * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager
     *   The entity manager.
     * @param \Drupal\Core\StringTranslation\TranslationInterface $string_translation
     *   The translation manager.
     */
    public function __construct(EntityTypeManagerInterface $entity_type_manager, TranslationInterface $string_translation) {
        $this->entityTypeManager = $entity_type_manager;
        $this->stringTranslation = $string_translation;
    }
    
    /**
     * {@inheritdoc}
     */
    public static function create(ContainerInterface $container, $base_plugin_id) {
        return new static($container->get('entity_type.manager'), $container->get('string_translation'));
    }
    
    /**
     * {@inheritdoc}
     */
    public function getDerivativeDefinitions($base_plugin_definition) {
        $this->derivatives = [];
        foreach ($this->entityTypeManager
            ->getDefinitions() as $entity_type_id => $entity_type) {
            $has_edit_path = $entity_type->hasLinkTemplate('devel-load');
            $has_canonical_path = $entity_type->hasLinkTemplate('devel-render');
            if ($has_edit_path || $has_canonical_path) {
                $this->derivatives["{$entity_type_id}.devel_tab"] = [
                    'route_name' => "entity.{$entity_type_id}." . ($has_edit_path ? 'devel_load' : 'devel_render'),
                    'title' => $this->t('Devel'),
                    'base_route' => "entity.{$entity_type_id}." . ($has_canonical_path ? "canonical" : "edit_form"),
                    'weight' => 100,
                ];
                $this->derivatives["{$entity_type_id}.devel_definition_tab"] = [
                    'route_name' => "entity.{$entity_type_id}.devel_definition",
                    'title' => $this->t('Definition'),
                    'parent_id' => "devel.entities:{$entity_type_id}.devel_tab",
                    'weight' => 100,
                ];
                if ($has_canonical_path) {
                    $this->derivatives["{$entity_type_id}.devel_render_tab"] = [
                        'route_name' => "entity.{$entity_type_id}.devel_render",
                        'weight' => 100,
                        'title' => $this->t('Render'),
                        'parent_id' => "devel.entities:{$entity_type_id}.devel_tab",
                    ];
                }
                if ($has_edit_path) {
                    $this->derivatives["{$entity_type_id}.devel_load_tab"] = [
                        'route_name' => "entity.{$entity_type_id}.devel_load",
                        'weight' => 100,
                        'title' => $this->t('Load'),
                        'parent_id' => "devel.entities:{$entity_type_id}.devel_tab",
                    ];
                }
            }
        }
        foreach ($this->derivatives as &$entry) {
            $entry += $base_plugin_definition;
        }
        return $this->derivatives;
    }

}