Well, I didn't see a How-to for this one, so I'll put this up. I have an old-skool accordion door with a locking swing-arm as the main door to enter exit the bus. I love the glass, and the fact that it opens in, but there's no way I've found to lock it to my satisfaction, both for security and for ease. So I went with a linear actuator in place of the main bar, and a remote for controlling it.
It's on my blog here
Please let me know if you've got questions I didn't cover there. But just so you can see the (basically) finished product: