code: public void disableActions(boolean disable) {
          if (registeredActions != null) {
              for (IDisable registeredAction : registeredActions) {
                  registeredAction.setDisabled(disable || isDisabled());
              }
          }
      }
docs: Enables/disables registered actions elements. Note that if the container is disabled, the
  action elements will not be enabled by this call. It may be used, however, to temporarily
  disable action elements that would otherwise be enabled.
  
  @param disable The disable status.