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\Block\BlockManagerInterface;
   6 use Drupal\Core\DependencyInjection\ContainerInjectionInterface;
   7 use Drupal\Core\Url;
   8 use Drupal\layout_builder\Context\LayoutBuilderContextTrait;
   9 use Drupal\layout_builder\SectionStorageInterface;
  10 use Symfony\Component\DependencyInjection\ContainerInterface;
  11
  12 /**
  13  * Defines a controller to choose a new block.
  14  *
  15  * @internal
  16  */
  17 class ChooseBlockController implements ContainerInjectionInterface {
  18
  19   use AjaxHelperTrait;
  20   use LayoutBuilderContextTrait;
  21
  22   /**
  23    * The block manager.
  24    *
  25    * @var \Drupal\Core\Block\BlockManagerInterface
  26    */
  27   protected $blockManager;
  28
  29   /**
  30    * ChooseBlockController constructor.
  31    *
  32    * @param \Drupal\Core\Block\BlockManagerInterface $block_manager
  33    *   The block manager.
  34    */
  35   public function __construct(BlockManagerInterface $block_manager) {
  36     $this->blockManager = $block_manager;
  37   }
  38
  39   /**
  40    * {@inheritdoc}
  41    */
  42   public static function create(ContainerInterface $container) {
  43     return new static(
  44       $container->get('plugin.manager.block')
  45     );
  46   }
  47
  48   /**
  49    * Provides the UI for choosing a new block.
  50    *
  51    * @param \Drupal\layout_builder\SectionStorageInterface $section_storage
  52    *   The section storage.
  53    * @param int $delta
  54    *   The delta of the section to splice.
  55    * @param string $region
  56    *   The region the block is going in.
  57    *
  58    * @return array
  59    *   A render array.
  60    */
  61   public function build(SectionStorageInterface $section_storage, $delta, $region) {
  62     $build['#type'] = 'container';
  63     $build['#attributes']['class'][] = 'block-categories';
  64
  65     $definitions = $this->blockManager->getDefinitionsForContexts($this->getAvailableContexts($section_storage));
  66     foreach ($this->blockManager->getGroupedDefinitions($definitions) as $category => $blocks) {
  67       $build[$category]['#type'] = 'details';
  68       $build[$category]['#open'] = TRUE;
  69       $build[$category]['#title'] = $category;
  70       $build[$category]['links'] = [
  71         '#theme' => 'links',
  72       ];
  73       foreach ($blocks as $block_id => $block) {
  74         $link = [
  75           'title' => $block['admin_label'],
  76           'url' => Url::fromRoute('layout_builder.add_block',
  77             [
  78               'section_storage_type' => $section_storage->getStorageType(),
  79               'section_storage' => $section_storage->getStorageId(),
  80               'delta' => $delta,
  81               'region' => $region,
  82               'plugin_id' => $block_id,
  83             ]
  84           ),
  85         ];
  86         if ($this->isAjax()) {
  87           $link['attributes']['class'][] = 'use-ajax';
  88           $link['attributes']['data-dialog-type'][] = 'dialog';
  89           $link['attributes']['data-dialog-renderer'][] = 'off_canvas';
  90         }
  91         $build[$category]['links']['#links'][] = $link;
  92       }
  93     }
  94     return $build;
  95   }
  96
  97 }