code: function (container) {
          container.items().filter(':visible').each(function (ctrl) {
            var settings = ctrl.settings;
  
            ctrl.layoutRect({
              x: settings.x,
              y: settings.y,
              w: settings.w,
              h: settings.h
            });
  
            if (ctrl.recalc) {
              ctrl.recalc();
            }
          });
        }
docs: Recalculates the positions of the controls in the specified container.
  
  @method recalc
  @param {tinymce.ui.Container} container Container instance to recalc.