Version 1

[yaffs-website] / web / core / modules / block_place / src / Plugin / DisplayVariant / PlaceBlockPageVariant.php

diff --git a/web/core/modules/block_place/src/Plugin/DisplayVariant/PlaceBlockPageVariant.php b/web/core/modules/block_place/src/Plugin/DisplayVariant/PlaceBlockPageVariant.php
new file mode 100644 (file)
index 0000000..d05c7f1
--- /dev/null
+++ b/web/core/modules/block_place/src/Plugin/DisplayVariant/PlaceBlockPageVariant.php
@@ -0,0 +1,139 @@
+<?php
+
+namespace Drupal\block_place\Plugin\DisplayVariant;
+
+use Drupal\block\BlockRepositoryInterface;
+use Drupal\block\Plugin\DisplayVariant\BlockPageVariant;
+use Drupal\Component\Serialization\Json;
+use Drupal\Core\Entity\EntityViewBuilderInterface;
+use Drupal\Core\Routing\RedirectDestinationInterface;
+use Drupal\Core\Theme\ThemeManagerInterface;
+use Drupal\Core\Link;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+
+/**
+ * Allows blocks to be placed directly within a region.
+ *
+ * @PageDisplayVariant(
+ *   id = "block_place_page",
+ *   admin_label = @Translation("Page with blocks and place block buttons")
+ * )
+ */
+class PlaceBlockPageVariant extends BlockPageVariant {
+
+  /**
+   * The theme manager.
+   *
+   * @var \Drupal\Core\Theme\ThemeManagerInterface
+   */
+  protected $themeManager;
+
+  /**
+   * The redirect destination.
+   *
+   * @var \Drupal\Core\Routing\RedirectDestinationInterface
+   */
+  protected $redirectDestination;
+
+  /**
+   * Constructs a new PlaceBlockPageVariant.
+   *
+   * @param array $configuration
+   *   A configuration array containing information about the plugin instance.
+   * @param string $plugin_id
+   *   The plugin ID for the plugin instance.
+   * @param mixed $plugin_definition
+   *   The plugin implementation definition.
+   * @param \Drupal\block\BlockRepositoryInterface $block_repository
+   *   The block repository.
+   * @param \Drupal\Core\Entity\EntityViewBuilderInterface $block_view_builder
+   *   The block view builder.
+   * @param string[] $block_list_cache_tags
+   *   The Block entity type list cache tags.
+   * @param \Drupal\Core\Theme\ThemeManagerInterface $theme_manager
+   *   The theme manager.
+   * @param \Drupal\Core\Routing\RedirectDestinationInterface $redirect_destination
+   *   The redirect destination.
+   */
+  public function __construct(array $configuration, $plugin_id, $plugin_definition, BlockRepositoryInterface $block_repository, EntityViewBuilderInterface $block_view_builder, array $block_list_cache_tags, ThemeManagerInterface $theme_manager, RedirectDestinationInterface $redirect_destination) {
+    parent::__construct($configuration, $plugin_id, $plugin_definition, $block_repository, $block_view_builder, $block_list_cache_tags);
+
+    $this->themeManager = $theme_manager;
+    $this->redirectDestination = $redirect_destination;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
+    return new static(
+      $configuration,
+      $plugin_id,
+      $plugin_definition,
+      $container->get('block.repository'),
+      $container->get('entity_type.manager')->getViewBuilder('block'),
+      $container->get('entity_type.manager')->getDefinition('block')->getListCacheTags(),
+      $container->get('theme.manager'),
+      $container->get('redirect.destination')
+    );
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function build() {
+    $build = parent::build();
+
+    $active_theme = $this->themeManager->getActiveTheme();
+    $theme_name = $active_theme->getName();
+    $destination = $this->redirectDestination->get();
+    $visible_regions = $this->getVisibleRegionNames($theme_name);
+
+    // Build an array of the region names in the right order.
+    $build += array_fill_keys(array_keys($visible_regions), []);
+
+    foreach ($visible_regions as $region => $region_name) {
+      $query = [
+        'region' => $region,
+      ];
+      if ($destination) {
+        $query['destination'] = $destination;
+      }
+      $title = $this->t('<span class="visually-hidden">Place block in the %region region</span>', ['%region' => $region_name]);
+      $operations['block_description'] = [
+        '#type' => 'inline_template',
+        '#template' => '<div class="block-place-region">{{ link }}</div>',
+        '#context' => [
+          'link' => Link::createFromRoute($title, 'block.admin_library', ['theme' => $theme_name], [
+            'query' => $query,
+            'attributes' => [
+              'title' => $title,
+              'class' => ['use-ajax', 'button', 'button--small'],
+              'data-dialog-type' => 'modal',
+              'data-dialog-options' => Json::encode([
+                'width' => 700,
+              ]),
+            ],
+          ]),
+        ],
+      ];
+      $build[$region] = ['block_place_operations' => $operations] + $build[$region];
+    }
+    $build['#attached']['library'][] = 'block_place/drupal.block_place';
+    return $build;
+  }
+
+  /**
+   * Returns the human-readable list of regions keyed by machine name.
+   *
+   * @param string $theme
+   *   The name of the theme.
+   *
+   * @return array
+   *   An array of human-readable region names keyed by machine name.
+   */
+  protected function getVisibleRegionNames($theme) {
+    return system_region_list($theme, REGIONS_VISIBLE);
+  }
+
+}