Comment 7 for bug 412925

2009/8/19 Graham Binns <email address hidden>:
> 2009/8/19 Tom Berger <email address hidden>:
>> I think an even better variant of this would be to provide an undo
>> function, and an information message prompting the user to undo if
>> they're not sure this was the right thing to do. That's very hard to
>> implement, though, so a confirmation step for people who aren't project
>> contributers will probably work.
>>
>> The problem I have with it is that it will make the interaction annoying
>> for those users who legitimately need to change the value. Ideally, I'd
>> like to see if we can solve this problem with a tool less blunt.
>
> A good way to handle this would be to do it in the same way that Gmail
> does. When you perform an undoable action you're notified by an
> information message at the top of the page (rather like Launchpad's
> "thank you for your bug" message). Next to this is an undo link.

Yes, that's exactly what I was thinking of. The only problem is that
it's quite hard to implement right now.