public AuthFilterChainPalette( String id, IModel<List<String>> model, IModel<List<String>> choicesModel) { super( id, model, choicesModel, new ChoiceRenderer() { @Override public String getIdValue(Object object, int index) { return (String) getDisplayValue(object); } @Override public Object getDisplayValue(Object object) { return object.toString(); } }, 10, true); this.choicesModel = (AvailableAuthFilterNamesModel) choicesModel; add(new DefaultTheme()); }