}
@Override
public Anchor createAddNewValueHyperlink() {
final Map<String, Object> widgetConfiguration = getWidgetConfiguration();
final ProjectLayoutConfiguration projectLayoutConfiguration = getProject().getProjectLayoutConfiguration();
Anchor addNewLink = new Anchor(InstanceGridWidgetConstants.getIconLink(InstanceGridWidgetConstants.getAddNewValueActionDesc(widgetConfiguration, projectLayoutConfiguration, "Add term"), InstanceGridWidgetConstants.getAddIcon(widgetConfiguration, projectLayoutConfiguration)), true);
addNewLink.addClickHandler(new ClickHandler() {
public void onClick(ClickEvent event) {
if (isWriteOperationAllowed()) {
onCreateNewReference();