footer.setWidth100();
footer.setMembersMargin(15);
IButton saveButton = new EnhancedIButton(MSG.common_button_save(), ButtonColor.BLUE);
saveButton.setOverflow(Overflow.VISIBLE);
saveButton.addClickHandler(new ClickHandler() {
public void onClick(ClickEvent event) {
affinityGroup.setName(nameItem.getValueAsString());
GWTServiceLookup.getTopologyService().updateAffinityGroup(affinityGroup, new AsyncCallback<Void>() {
public void onSuccess(Void result) {
Message msg = new Message(MSG.view_adminTopology_message_agroupRenamed(