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

   1 <?php
   2
   3 namespace Drupal\layout_builder\Controller;
   4
   5 use Drupal\Core\Ajax\AjaxHelperTrait;
   6 use Drupal\Core\Block\BlockManagerInterface;
   7 use Drupal\Core\DependencyInjection\ContainerInjectionInterface;
   8 use Drupal\Core\StringTranslation\StringTranslationTrait;
   9 use Drupal\Core\Url;
  10 use Drupal\layout_builder\Context\LayoutBuilderContextTrait;
  11 use Drupal\layout_builder\SectionStorageInterface;
  12 use Symfony\Component\DependencyInjection\ContainerInterface;
  13
  14 /**
  15  * Defines a controller to choose a new block.
  16  *
  17  * @internal
  18  */
  19 class ChooseBlockController implements ContainerInjectionInterface {
  20
  21   use AjaxHelperTrait;
  22   use LayoutBuilderContextTrait;
  23   use StringTranslationTrait;
  24
  25   /**
  26    * The block manager.
  27    *
  28    * @var \Drupal\Core\Block\BlockManagerInterface
  29    */
  30   protected $blockManager;
  31
  32   /**
  33    * ChooseBlockController constructor.
  34    *
  35    * @param \Drupal\Core\Block\BlockManagerInterface $block_manager
  36    *   The block manager.
  37    */
  38   public function __construct(BlockManagerInterface $block_manager) {
  39     $this->blockManager = $block_manager;
  40   }
  41
  42   /**
  43    * {@inheritdoc}
  44    */
  45   public static function create(ContainerInterface $container) {
  46     return new static(
  47       $container->get('plugin.manager.block')
  48     );
  49   }
  50
  51   /**
  52    * Provides the UI for choosing a new block.
  53    *
  54    * @param \Drupal\layout_builder\SectionStorageInterface $section_storage
  55    *   The section storage.
  56    * @param int $delta
  57    *   The delta of the section to splice.
  58    * @param string $region
  59    *   The region the block is going in.
  60    *
  61    * @return array
  62    *   A render array.
  63    */
  64   public function build(SectionStorageInterface $section_storage, $delta, $region) {
  65     $build['#title'] = $this->t('Choose a block');
  66     $build['#type'] = 'container';
  67     $build['#attributes']['class'][] = 'block-categories';
  68
  69     // @todo Explicitly cast delta to an integer, remove this in
  70     //   https://www.drupal.org/project/drupal/issues/2984509.
  71     $delta = (int) $delta;
  72
  73     $definitions = $this->blockManager->getFilteredDefinitions('layout_builder', $this->getAvailableContexts($section_storage), [
  74       'section_storage' => $section_storage,
  75       'delta' => $delta,
  76       'region' => $region,
  77     ]);
  78     foreach ($this->blockManager->getGroupedDefinitions($definitions) as $category => $blocks) {
  79       $build[$category]['#type'] = 'details';
  80       $build[$category]['#open'] = TRUE;
  81       $build[$category]['#title'] = $category;
  82       $build[$category]['links'] = [
  83         '#theme' => 'links',
  84       ];
  85       foreach ($blocks as $block_id => $block) {
  86         $link = [
  87           'title' => $block['admin_label'],
  88           'url' => Url::fromRoute('layout_builder.add_block',
  89             [
  90               'section_storage_type' => $section_storage->getStorageType(),
  91               'section_storage' => $section_storage->getStorageId(),
  92               'delta' => $delta,
  93               'region' => $region,
  94               'plugin_id' => $block_id,
  95             ]
  96           ),
  97         ];
  98         if ($this->isAjax()) {
  99           $link['attributes']['class'][] = 'use-ajax';
 100           $link['attributes']['data-dialog-type'][] = 'dialog';
 101           $link['attributes']['data-dialog-renderer'][] = 'off_canvas';
 102         }
 103         $build[$category]['links']['#links'][] = $link;
 104       }
 105     }
 106     return $build;
 107   }
 108
 109 }