final IButton newButton = new EnhancedIButton(MSG.common_button_new(), ButtonColor.BLUE);
newButton.setIcon(Window.getImgURL("[SKIN]/actions/add.png"));
newButton.addClickHandler(new com.smartgwt.client.widgets.events.ClickHandler() {
public void onClick(ClickEvent clickEvent) {
SC.askforValue(MSG.view_configEdit_enterPropName(), new ValueCallback() {
public void execute(String propertyName) {
if (propertyMap.get(propertyName) != null) {
CoreGUI.getMessageCenter().notify(
new Message(MSG.view_configEdit_error_3(propertyName), Message.Severity.Error,
EnumSet.of(Message.Option.Transient)));