i don't think you understood. read the post i just posted.
you would never want to get back to a bunch of components that don't match the rendering. there's no need for that "flexibility" because all you could do is botch it.
what /is/ needed is a way for users to guide the way that models are copied or referenced. that's a much more controlled kind of flexibility that targets the real problem.
Gili wrote:
Based on the feedback I just got I would recommend having the automatic behavior on by default and allowing developments to override it and provide their own UndoableEdit. I think everyone will be happy with that.
Gili
On Wed, 02 Mar 2005 14:08:59 -0800, Jonathan Locke wrote:
i think this is all completely automatic.
each page has a bunch of versioning information in Page that gets modified as components call replace/add/remove (after the first rendering).
then we can essentially setVersion(int renderingCount) to get the earlier page back. the user would have no control over any of this. it just happens.
Gili wrote:
I'm looking for a good anti-pattern to my suggestion. Is there a reasonable use-case where using UndoableEdits would not yield the correct/expected behavior?
My hope is that there is none and we can all agree to move forward on this issue. Remember, if no UndoableEdit is registered for a rendering operation then hitting Back yields a "page is stale" message. It seems quite intuitive to me. :|
Gili
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