private void showAddImageUrlDialog(final HasVkImageUrl invokingWidget) {
final TextBox actionTb = new TextBox();
actionTb.setText(((HasVkImageUrl) invokingWidget).getImageUrl());
actionTb.setWidth("300px");
actionTb.setText(invokingWidget.getImageUrl());
VkDesignerUtil.showAddTextAttributeDialog("Please add url below", actionTb, new IDialogCallback() {
@Override
public void save(final String action) {
final String prior = invokingWidget.getImageUrl();
UndoHelper.getInstance().doCommand(new Command(){
@Override