2 files changed, 12 insertions, 0 deletions
diff --git a/program/include/rcube_plugin.php b/program/include/rcube_plugin.php
index e7115cbec..de0aabbe3 100644
--- a/program/include/rcube_plugin.php
+++ b/program/include/rcube_plugin.php
@@ -61,6 +61,14 @@ abstract class rcube_plugin
    */
   public $noframe = false;
 
+  /**
+   * A list of config option names that can be modified
+   * by the user via user interface (with save-pref command)
+   *
+   * @var array
+   */
+  public $allowed_prefs;
+
   protected $home;
   protected $urlbase;
   private $mytask;
diff --git a/program/include/rcube_plugin_api.php b/program/include/rcube_plugin_api.php
index be12f11b5..61bab3ce9 100644
--- a/program/include/rcube_plugin_api.php
+++ b/program/include/rcube_plugin_api.php
@@ -35,6 +35,7 @@ class rcube_plugin_api
   public $url = 'plugins/';
   public $output;
   public $config;
+  public $allowed_prefs = array();
   
   public $handlers = array();
   private $plugins = array();
@@ -188,6 +189,9 @@ class rcube_plugin_api
             $plugin->init();
             $this->plugins[$plugin_name] = $plugin;
           }
+          if (!empty($plugin->allowed_prefs)) {
+            $this->allowed_prefs = array_merge($this->allowed_prefs, $plugin->allowed_prefs);
+          }
           return true;
         }
       }