}
},
+ nextPath : function(path)
+ {
+ if (path === false) {
+ var iter = new Gtk.TreeIter();
+ this.el.get_iter_first(iter);
+ return this.el.get_path(iter);
+ }
+ var tpath = path;
+ if (typeof(path) == 'string' ) {
+ tpath = new Gtk.TreePath.from_string(path);
+ }
+ var iter = new Gtk.TreeIter();
+
+ this.el.get_iter (iter, tpath) ;
+
+ if (!this.el.iter_next(iter)) {
+ return false;
+ };
+ return this.el.get_path(iter);
+ },
+
getValue : function ( path, col)
{
// not very type safe...