aleph1.co.uk Git - yaffs-website/blob - web/core/modules/layout_builder/src/Controller/MoveBlockController.php

   1 <?php
   2
   3 namespace Drupal\layout_builder\Controller;
   4
   5 use Drupal\Core\DependencyInjection\ClassResolverInterface;
   6 use Drupal\Core\DependencyInjection\ContainerInjectionInterface;
   7 use Drupal\layout_builder\LayoutTempstoreRepositoryInterface;
   8 use Drupal\layout_builder\SectionStorageInterface;
   9 use Symfony\Component\DependencyInjection\ContainerInterface;
  10
  11 /**
  12  * Defines a controller to move a block.
  13  *
  14  * @internal
  15  */
  16 class MoveBlockController implements ContainerInjectionInterface {
  17
  18   use LayoutRebuildTrait;
  19
  20   /**
  21    * The layout tempstore repository.
  22    *
  23    * @var \Drupal\layout_builder\LayoutTempstoreRepositoryInterface
  24    */
  25   protected $layoutTempstoreRepository;
  26
  27   /**
  28    * LayoutController constructor.
  29    *
  30    * @param \Drupal\layout_builder\LayoutTempstoreRepositoryInterface $layout_tempstore_repository
  31    *   The layout tempstore repository.
  32    * @param \Drupal\Core\DependencyInjection\ClassResolverInterface $class_resolver
  33    *   The class resolver.
  34    */
  35   public function __construct(LayoutTempstoreRepositoryInterface $layout_tempstore_repository, ClassResolverInterface $class_resolver) {
  36     $this->layoutTempstoreRepository = $layout_tempstore_repository;
  37     $this->classResolver = $class_resolver;
  38   }
  39
  40   /**
  41    * {@inheritdoc}
  42    */
  43   public static function create(ContainerInterface $container) {
  44     return new static(
  45       $container->get('layout_builder.tempstore_repository'),
  46       $container->get('class_resolver')
  47     );
  48   }
  49
  50   /**
  51    * Moves a block to another region.
  52    *
  53    * @param \Drupal\layout_builder\SectionStorageInterface $section_storage
  54    *   The section storage.
  55    * @param int $delta_from
  56    *   The delta of the original section.
  57    * @param int $delta_to
  58    *   The delta of the destination section.
  59    * @param string $region_to
  60    *   The new region for this block.
  61    * @param string $block_uuid
  62    *   The UUID for this block.
  63    * @param string|null $preceding_block_uuid
  64    *   (optional) If provided, the UUID of the block to insert this block after.
  65    *
  66    * @return \Drupal\Core\Ajax\AjaxResponse
  67    *   An AJAX response.
  68    */
  69   public function build(SectionStorageInterface $section_storage, $delta_from, $delta_to, $region_to, $block_uuid, $preceding_block_uuid = NULL) {
  70     $section = $section_storage->getSection($delta_from);
  71
  72     $component = $section->getComponent($block_uuid);
  73     $section->removeComponent($block_uuid);
  74
  75     // If the block is moving from one section to another, update the original
  76     // section and load the new one.
  77     if ($delta_from !== $delta_to) {
  78       $section = $section_storage->getSection($delta_to);
  79     }
  80
  81     // If a preceding block was specified, insert after that. Otherwise add the
  82     // block to the front.
  83     $component->setRegion($region_to);
  84     if (isset($preceding_block_uuid)) {
  85       $section->insertAfterComponent($preceding_block_uuid, $component);
  86     }
  87     else {
  88       $section->insertComponent(0, $component);
  89     }
  90
  91     $this->layoutTempstoreRepository->set($section_storage);
  92     return $this->rebuildLayout($section_storage);
  93   }
  94
  95 }