saveButtonBar = new HLayout(10);
saveButtonBar.setVisible(false);
SearchAndFilterMessages messages = GWT.create(SearchAndFilterMessages.class);
IButton favouritesSBtn = new IButton(messages.searchWidgetAddToFavourites());
favouritesSBtn.setIcon(BTN_FAVOURITES_IMG);
favouritesSBtn.setAutoFit(true);
favouritesSBtn.setShowDisabledIcon(false);
favouritesSBtn.addClickHandler(new ClickHandler() {