final ProjectLayoutConfiguration projectLayoutConfiguration = getProject().getProjectLayoutConfiguration();
Anchor addNewLink = new Anchor(
InstanceGridWidgetConstants.getIconLink(
InstanceGridWidgetConstants.getReplaceExistingValueActionDesc(widgetConfiguration, projectLayoutConfiguration, "Find & Replace <br/>value"),
InstanceGridWidgetConstants.getReplaceIcon(widgetConfiguration, projectLayoutConfiguration)), true);
addNewLink.addClickHandler(new ClickHandler() {
public void onClick(ClickEvent event) {
if (isWriteOperationAllowed()){
//TODO fix this
//onAddNewReference((String) ReferenceFieldWidget.this.getWidgetConfiguration().get(FormConstants.LABEL));
PropertyEntityData prop = getProperty();