The only part of this that is not supported is adding in the link so that it is just like in the maps.google.com info window. You can enable driving directions with the tool, but it is up to you to create the form and any links that go to it for collecting the address from the user. if you had the form in place on the page you could craft a link and use some js to make the form visible. That would all be custom work though, but it is something that can be done.