@Override
  public void generateComponentLayout(final LwComponent component,
                                      final FormSourceCodeGenerator generator,
                                      final String variable,
                                      final String parentVariable) {
    generator.startMethodCall(parentVariable, "setViewportView");
    generator.pushVar(variable);
    generator.endMethod();
  }
@Override
  public void generateComponentLayout(final LwComponent component,
                                      final FormSourceCodeGenerator generator,
                                      final String variable,
                                      final String parentVariable)