diff core/lib/Drupal/Core/Config/ConfigCollectionInfo.php @ 0:4c8ae668cc8c

Initial import (non-working)

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/lib/Drupal/Core/Config/ConfigCollectionInfo.php	Wed Nov 29 16:09:58 2017 +0000
@@ -0,0 +1,74 @@
+<?php
+
+namespace Drupal\Core\Config;
+
+use Symfony\Component\EventDispatcher\Event;
+
+/**
+ * Gets information on all the possible configuration collections.
+ */
+class ConfigCollectionInfo extends Event {
+
+  /**
+   * Configuration collection information keyed by collection name.
+   *
+   * The value is either the configuration factory override that is responsible
+   * for the collection or null if there is not one.
+   *
+   * @var array
+   */
+  protected $collections = [];
+
+  /**
+   * Adds a collection to the list of possible collections.
+   *
+   * @param string $collection
+   *   Collection name to add.
+   * @param \Drupal\Core\Config\ConfigFactoryOverrideInterface $override_service
+   *   (optional) The configuration factory override service responsible for the
+   *   collection.
+   *
+   * @throws \InvalidArgumentException
+   *   Exception thrown if $collection is equal to
+   *   \Drupal\Core\Config\StorageInterface::DEFAULT_COLLECTION.
+   */
+  public function addCollection($collection, ConfigFactoryOverrideInterface $override_service = NULL) {
+    if ($collection == StorageInterface::DEFAULT_COLLECTION) {
+      throw new \InvalidArgumentException('Can not add the default collection to the ConfigCollectionInfo object');
+    }
+    $this->collections[$collection] = $override_service;
+  }
+
+  /**
+   * Gets the list of possible collection names.
+   *
+   * @param bool $include_default
+   *   (Optional) Include the default collection. Defaults to TRUE.
+   *
+   * @return array
+   *   The list of possible collection names.
+   */
+  public function getCollectionNames($include_default = TRUE) {
+    $collection_names = array_keys($this->collections);
+    sort($collection_names);
+    if ($include_default) {
+      array_unshift($collection_names, StorageInterface::DEFAULT_COLLECTION);
+    }
+    return $collection_names;
+  }
+
+  /**
+   * Gets the config factory override service responsible for the collection.
+   *
+   * @param string $collection
+   *   The configuration collection.
+   *
+   * @return \Drupal\Core\Config\ConfigFactoryOverrideInterface|null
+   *   The override service responsible for the collection if one exists. NULL
+   *   if not.
+   */
+  public function getOverrideService($collection) {
+    return isset($this->collections[$collection]) ? $this->collections[$collection] : NULL;
+  }
+
+}