/** Updates the form menu. Sub-classes can extend if needed. */
  protected void updateFormMenuManager() {
    IMenuManager menuManager = mainForm.getMenuManager();
    menuManager.removeAll();

    for (CmrRepositoryDefinition cmrRepositoryDefinition :
        cmrRepositoryManager.getCmrRepositoryDefinitions()) {
      if (!Objects.equals(cmrRepositoryDefinition, displayedCmrRepositoryDefinition)) {
        menuManager.add(new SelectCmrAction(cmrRepositoryDefinition));
      }
    }
    menuManager.update(true);
    mainForm.getHead().layout();
  }