Version 1

[yaffs-website] / web / core / modules / block / src / Plugin / migrate / process / BlockRegion.php

diff --git a/web/core/modules/block/src/Plugin/migrate/process/BlockRegion.php b/web/core/modules/block/src/Plugin/migrate/process/BlockRegion.php
new file mode 100644 (file)
index 0000000..0eb984f
--- /dev/null
+++ b/web/core/modules/block/src/Plugin/migrate/process/BlockRegion.php
@@ -0,0 +1,73 @@
+<?php
+
+namespace Drupal\block\Plugin\migrate\process;
+
+use Drupal\Core\Plugin\ContainerFactoryPluginInterface;
+use Drupal\migrate\MigrateExecutableInterface;
+use Drupal\migrate\Plugin\migrate\process\StaticMap;
+use Drupal\migrate\Row;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+
+/**
+ * @MigrateProcessPlugin(
+ *   id = "block_region"
+ * )
+ */
+class BlockRegion extends StaticMap implements ContainerFactoryPluginInterface {
+
+  /**
+   * List of regions, keyed by theme.
+   *
+   * @var array[]
+   */
+  protected $regions;
+
+  /**
+   * Constructs a BlockRegion plugin instance.
+   *
+   * @param array $configuration
+   *   The plugin configuration.
+   * @param string $plugin_id
+   *   The plugin ID.
+   * @param mixed $plugin_definition
+   *   The plugin definition.
+   * @param array $regions
+   *   Array of region maps, keyed by theme.
+   */
+  public function __construct(array $configuration, $plugin_id, $plugin_definition, array $regions) {
+    parent::__construct($configuration, $plugin_id, $plugin_definition);
+    $this->regions = $regions;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
+    $regions = [];
+    foreach ($container->get('theme_handler')->listInfo() as $key => $theme) {
+      $regions[$key] = $theme->info['regions'];
+    }
+    return new static($configuration, $plugin_id, $plugin_definition, $regions);
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function transform($value, MigrateExecutableInterface $migrate_executable, Row $row, $destination_property) {
+    // Set the destination region, based on the source region and theme as well
+    // as the current destination default theme.
+    list($source_theme, $destination_theme, $region) = $value;
+
+    // Theme is the same on both source and destination, so ensure that the
+    // region exists in the destination theme.
+    if (strtolower($source_theme) == strtolower($destination_theme)) {
+      if (isset($this->regions[$destination_theme][$region])) {
+        return $region;
+      }
+    }
+
+    // Fall back to static mapping.
+    return parent::transform($value, $migrate_executable, $row, $destination_property);
+  }
+
+}