code: @Override
  	protected void preparePaintComponent(final Request request) {
  		if (OPTION_CONTENT1.equals(rbSelect.getSelected())) {
  			content.setText("This is content 1");
  		} else if (OPTION_CONTENT2.equals(rbSelect.getSelected())) {
  			content.setText("This is content 2");
  		} else if (OPTION_CONTENT3.equals(rbSelect.getSelected())) {
  			content.setText("This is content 3");
  		} else {
  			content.setText(null);
  		}
  	}
docs: Set the content of the text field depending on the selected option in the radio button select.
  
  @param request the request being processed