Your comments
> If either is selected, it would listen again for selection changes in the Files view, right?
Yes
> Should the Changes view be editable directly or should it be made editable by an explicit action, e.g., by a toolbar button click?
Directly editable sounds better to me.
Yes, "Changes" window. I don't know how to change it in my original post.
It seems convenient not to show a confirmation dialog as you say.
Customer support service by UserEcho
Thanks. I'm looking forward to testing this. :)