EDITOR selection based on gui

[Mostly Harmless]

Is there an easy way to specify my editor as gvim if I'm in x, and vim
if I'm connected from a remote machine via ssh?

Thanks.

-- 
"Now you see that evil will always triumph, because good is dumb."
- Dark Helmet, Spaceballs

"You can't be a real country unless you have a beer and an airline; it
helps if you have some kind of a football team, or some nuclear
weapons, but at the very least you need a beer."
- Frank Zappa