code: private void addReadOnlyExamples() {
  		add(new WHeading(HeadingLevel.H3, "Read-only WRadioButtonSelect examples"));
  		add(new ExplanatoryText("These examples all use the same list of options: the states and territories list from the editable examples above. "
  				+ "When the readOnly state is specified only that option which is selected is output.\n"
  				+ "Since no more than one option is able to be selected the layout and frame settings are ignored in the read only state."));
  
  		WFieldLayout layout = new WFieldLayout();
  		add(layout);
  
  		WRadioButtonSelect select = new WRadioButtonSelect("australian_state");
  		select.setReadOnly(true);
  		layout.addField("Read only with no selection", select);
  
  		select = new SelectWithSelection("australian_state");
  		select.setReadOnly(true);
  		layout.addField("Read only with selection", select);
  	}
docs: Examples of readonly states. When in a read only state only the selected option is output. Since a
  WRadioButtonSeelct can only have 0 or 1 selected option the LAYOUT and FRAME are ignored.