Version 1

[yaffs-website] / web / core / lib / Drupal / Core / Config / ConfigModuleOverridesEvent.php

diff --git a/web/core/lib/Drupal/Core/Config/ConfigModuleOverridesEvent.php b/web/core/lib/Drupal/Core/Config/ConfigModuleOverridesEvent.php
new file mode 100644 (file)
index 0000000..c4b4230
--- /dev/null
+++ b/web/core/lib/Drupal/Core/Config/ConfigModuleOverridesEvent.php
@@ -0,0 +1,103 @@
+<?php
+
+namespace Drupal\Core\Config;
+
+use Drupal\Component\Utility\NestedArray;
+use Drupal\Core\Language\LanguageInterface;
+use Symfony\Component\EventDispatcher\Event;
+
+/**
+ * Event object to allow configuration to be overridden by modules.
+ */
+class ConfigModuleOverridesEvent extends Event {
+
+  /**
+   * Configuration names.
+   *
+   * @var array
+   */
+  protected $names;
+
+  /**
+   * Configuration overrides.
+   *
+   * @var array
+   */
+  protected $overrides;
+
+  /**
+   * The Language object used to override configuration data.
+   *
+   * @var \Drupal\Core\Language\LanguageInterface
+   */
+  protected $language;
+
+  /**
+   * Constructs a configuration overrides event object.
+   *
+   * @param array $names
+   *   A list of configuration names.
+   * @param \Drupal\Core\Language\LanguageInterface $language
+   *   (optional) The language for this configuration.
+   */
+  public function __construct(array $names, LanguageInterface $language = NULL) {
+    $this->names = $names;
+    $this->language = $language;
+    $this->overrides = [];
+  }
+
+  /**
+   * Gets configuration names.
+   *
+   * @return array
+   *   The list of configuration names that can be overridden.
+   */
+  public function getNames() {
+    return $this->names;
+  }
+
+  /**
+   * Gets configuration language.
+   *
+   * @return \Drupal\Core\Language\LanguageInterface
+   *   The configuration language object.
+   */
+  public function getLanguage() {
+    return $this->language;
+  }
+
+  /**
+   * Get configuration overrides.
+   *
+   * @return array
+   *   The array of configuration overrides.
+   */
+  public function getOverrides() {
+    return $this->overrides;
+  }
+
+  /**
+   * Sets a configuration override for the given name.
+   *
+   * @param string $name
+   *   The configuration object name to override.
+   * @param array $values
+   *   The values in the configuration object to override.
+   *
+   * @return $this
+   */
+  public function setOverride($name, array $values) {
+    if (in_array($name, $this->names)) {
+      if (isset($this->overrides[$name])) {
+        // Existing overrides take precedence since these will have been added
+        // by events with a higher priority.
+        $this->overrides[$name] = NestedArray::mergeDeepArray([$values, $this->overrides[$name]], TRUE);
+      }
+      else {
+        $this->overrides[$name] = $values;
+      }
+    }
+    return $this;
+  }
+
+}