toolbar.add(new SeparatorToolItem());
TextToolItem txtItem = new TextToolItem();
txtItem.setId(REFRESH_BTN);
txtItem.setIconStyle("icon-refresh-on");
txtItem.setToolTip(constants.refresh());
txtItem.addListener(Events.Select, this);
toolbar.add(txtItem);
showInfoButton = new TextToolItem();
showInfoButton.setId(SHOW_INFO_BTN);
showInfoButton.setIconStyle("icon-info");