diff core/modules/layout_builder/src/Controller/ChooseBlockController.php @ 14:1fec387a4317

Update Drupal core to 8.5.2 via Composer

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/modules/layout_builder/src/Controller/ChooseBlockController.php	Mon Apr 23 09:46:53 2018 +0100
@@ -0,0 +1,97 @@
+<?php
+
+namespace Drupal\layout_builder\Controller;
+
+use Drupal\Core\Block\BlockManagerInterface;
+use Drupal\Core\DependencyInjection\ContainerInjectionInterface;
+use Drupal\Core\Url;
+use Drupal\layout_builder\Context\LayoutBuilderContextTrait;
+use Drupal\layout_builder\SectionStorageInterface;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+
+/**
+ * Defines a controller to choose a new block.
+ *
+ * @internal
+ */
+class ChooseBlockController implements ContainerInjectionInterface {
+
+  use AjaxHelperTrait;
+  use LayoutBuilderContextTrait;
+
+  /**
+   * The block manager.
+   *
+   * @var \Drupal\Core\Block\BlockManagerInterface
+   */
+  protected $blockManager;
+
+  /**
+   * ChooseBlockController constructor.
+   *
+   * @param \Drupal\Core\Block\BlockManagerInterface $block_manager
+   *   The block manager.
+   */
+  public function __construct(BlockManagerInterface $block_manager) {
+    $this->blockManager = $block_manager;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function create(ContainerInterface $container) {
+    return new static(
+      $container->get('plugin.manager.block')
+    );
+  }
+
+  /**
+   * Provides the UI for choosing a new block.
+   *
+   * @param \Drupal\layout_builder\SectionStorageInterface $section_storage
+   *   The section storage.
+   * @param int $delta
+   *   The delta of the section to splice.
+   * @param string $region
+   *   The region the block is going in.
+   *
+   * @return array
+   *   A render array.
+   */
+  public function build(SectionStorageInterface $section_storage, $delta, $region) {
+    $build['#type'] = 'container';
+    $build['#attributes']['class'][] = 'block-categories';
+
+    $definitions = $this->blockManager->getDefinitionsForContexts($this->getAvailableContexts($section_storage));
+    foreach ($this->blockManager->getGroupedDefinitions($definitions) as $category => $blocks) {
+      $build[$category]['#type'] = 'details';
+      $build[$category]['#open'] = TRUE;
+      $build[$category]['#title'] = $category;
+      $build[$category]['links'] = [
+        '#theme' => 'links',
+      ];
+      foreach ($blocks as $block_id => $block) {
+        $link = [
+          'title' => $block['admin_label'],
+          'url' => Url::fromRoute('layout_builder.add_block',
+            [
+              'section_storage_type' => $section_storage->getStorageType(),
+              'section_storage' => $section_storage->getStorageId(),
+              'delta' => $delta,
+              'region' => $region,
+              'plugin_id' => $block_id,
+            ]
+          ),
+        ];
+        if ($this->isAjax()) {
+          $link['attributes']['class'][] = 'use-ajax';
+          $link['attributes']['data-dialog-type'][] = 'dialog';
+          $link['attributes']['data-dialog-renderer'][] = 'off_canvas';
+        }
+        $build[$category]['links']['#links'][] = $link;
+      }
+    }
+    return $build;
+  }
+
+}