1 files changed, 14 insertions, 0 deletions
diff --git a/program/include/rcube_addressbook.php b/program/include/rcube_addressbook.php
index b691ee8d5..ff525bc11 100644
--- a/program/include/rcube_addressbook.php
+++ b/program/include/rcube_addressbook.php
@@ -29,6 +29,7 @@ abstract class rcube_addressbook
 {
     /** public properties */
     var $primary_key;
+    var $groups = false;
     var $readonly = true;
     var $ready = false;
     var $list_page = 1;
@@ -63,6 +64,13 @@ abstract class rcube_addressbook
     abstract function list_records($cols=null, $subset=0);
 
     /**
+     * List all active contact groups of this source
+     *
+     * @return array  Indexed list of contact groups, each a hash array
+     */
+    function list_groups() { }
+
+    /**
      * Search records
      *
      * @param array   List of fields to search in
@@ -124,6 +132,12 @@ abstract class rcube_addressbook
     }
 
     /**
+     * Setter for the current group
+     * (empty, has to be re-implemented by extending class)
+     */
+    function set_group($gid) { }
+
+    /**
      * Create a new contact record
      *
      * @param array Assoziative array with save data