Version 1

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

diff --git a/web/core/modules/block/src/Plugin/migrate/process/BlockTheme.php b/web/core/modules/block/src/Plugin/migrate/process/BlockTheme.php
new file mode 100644 (file)
index 0000000..bc1d98b
--- /dev/null
+++ b/web/core/modules/block/src/Plugin/migrate/process/BlockTheme.php
@@ -0,0 +1,97 @@
+<?php
+
+namespace Drupal\block\Plugin\migrate\process;
+
+use Drupal\migrate\Plugin\MigrationInterface;
+use Drupal\migrate\MigrateExecutableInterface;
+use Drupal\migrate\ProcessPluginBase;
+use Drupal\migrate\Row;
+use Drupal\Core\Config\Config;
+use Drupal\Core\Plugin\ContainerFactoryPluginInterface;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+
+/**
+ * @MigrateProcessPlugin(
+ *   id = "block_theme"
+ * )
+ */
+class BlockTheme extends ProcessPluginBase implements ContainerFactoryPluginInterface {
+
+  /**
+   * Contains the configuration object factory.
+   *
+   * @var \Drupal\Core\Config\ConfigFactoryInterface
+   */
+  protected $configFactory;
+
+  /**
+   * Contains the system.theme configuration object.
+   *
+   * @var \Drupal\Core\Config\Config
+   */
+  protected $themeConfig;
+
+  /**
+   * Constructs a BlockTheme object.
+   *
+   * @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\migrate\Plugin\MigrationInterface $migration
+   *   The migration entity.
+   * @param \Drupal\Core\Config\Config $theme_config
+   *   The system.theme configuration factory object.
+   * @param array $themes
+   *   The list of themes available on the destination.
+   */
+  public function __construct(array $configuration, $plugin_id, $plugin_definition, MigrationInterface $migration, Config $theme_config, array $themes) {
+    parent::__construct($configuration, $plugin_id, $plugin_definition, $migration);
+    $this->themeConfig = $theme_config;
+    $this->themes = $themes;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition, MigrationInterface $migration = NULL) {
+    return new static(
+      $configuration,
+      $plugin_id,
+      $plugin_definition,
+      $migration,
+      $container->get('config.factory')->get('system.theme'),
+      $container->get('theme_handler')->listInfo()
+    );
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function transform($value, MigrateExecutableInterface $migrate_executable, Row $row, $destination_property) {
+    list($theme, $default_theme, $admin_theme) = $value;
+
+    // If the source theme exists on the destination, we're good.
+    if (isset($this->themes[$theme])) {
+      return $theme;
+    }
+
+    // If the source block is assigned to a region in the source default theme,
+    // then assign it to the destination default theme.
+    if (strtolower($theme) == strtolower($default_theme)) {
+      return $this->themeConfig->get('default');
+    }
+
+    // If the source block is assigned to a region in the source admin theme,
+    // then assign it to the destination admin theme.
+    if (strtolower($theme) == strtolower($admin_theme)) {
+      return $this->themeConfig->get('admin');
+    }
+
+    // We couldn't map it to a D8 theme so just return the incoming theme.
+    return $theme;
+  }
+
+}