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MathGroup Archive 2007

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Re: Re: Re: Re: v6: still no multiple undo?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg77489] Re: [mg77476] Re: [mg77433] Re: [mg77407] Re: v6: still no multiple undo?
  • From: "Chris Chiasson" <chris at chiasson.name>
  • Date: Sun, 10 Jun 2007 07:21:11 -0400 (EDT)
  • References: <200706080938.FAA03696@smc.vnet.net>

I disagree with the article. If the older software were really better,
then everyone would still be using it.

On 6/9/07, Andrzej Kozlowski <akoz at mimuw.edu.pl> wrote:
> I understand that thera are many people would like have WRI implement
> in Mathematica  one or more of their favourite features of other
> programs.  After all, we all now have multi-gigaherz processors,
> gigabytes of RAM etc, and wouldn't it be great if Mathematica could
> do all the things that all these other programs do? You might even
> not need them any more.
> However,  this kind of approach has its price and to see this clearly
> I suggest that, before submitting another request for another "great
> feature you can't live without", everyone reads this:
>
> http://hubpages.com/hub/
> _86_Mac_Plus_Vs_07_AMD_DualCore_You_Wont_Believe_Who_Wins
>
> and thinks again if this price is really worth paying.
>
>
> Andrzej Kozlowski
>
>
> On 8 Jun 2007, at 18:38, Barthelet, Luc wrote:
>
> >
> > While I strongly support that multiple undo is a feature we need to
> > see
> > soon, it will take some real work to get there.
> >
> > The editor, and the kernels are linked in an efficient exchange of
> > messages
> > and information about what needs to be displayed where and when.
> >
> > While implementing multiple undo-redo in a stand alone editor usually
> > requires only to implement a tokenized undo-redo, in the v6 font
> > end, it
> > will require a more complex model. It is a bit like if you were
> > trying to
> > implement multiple undo on a wiki site like wikipedia where they are
> > multiple contributors.
> >
> > We probably do not want the kernel to "undo", just the front end.
> > So one
> > solution would be to make the kernel and the user to appear as a
> > single
> > contributor, and to undo both effects on the front end. So one undo
> > might
> > remove an output created by the kernel.
> >
> > Even that is challenging, because Dynamics now create a lot of
> > updates and
> > you will not want to roll those back.
> >
> > Anyway, the front end team is obviously smart enough to find a
> > solution for
> > all those things, but it is not going to be easy.
> >
> > A cheap thing that I would like to see, is a text buffer of all my
> > input and
> > all the code I deleted saved as a log on disk. It might be ugly,
> > but it
> > would be VERY USEFUL.
> >
> > Cheers,
> >
> > Luc
> >
> >
> > On 6/7/07 3:34 AM, "David Bailey" <dave at Remove_Thisdbailey.co.uk>
> > wrote:
> >
> >> David wrote:
> >>> Will Robertson wrote:
> >>>> Hello,
> >>>>
> >>>> I am baffled that technical software is released in 2007 with
> >>>> only a
> >>>> single undo level. Am I missing something here? Is it because I'm
> >>>> using a student license? How hard can an undo stack really be in
> >>>> the
> >>>> notebook interface?
> >>>>
> >>>> I've been irritated a few times in v5.2 from clumsy keypresses
> >>>> losing
> >>>> me work that I would expect to be two "undo"s away. Alas not.
> >>>> Still.
> >>>>
> >>>> Will Robertson
> >>>>
> >>>>
> >>>
> >>> Good point! I've wondered the same thing for a long time. This is
> >>> the
> >>> only app I run that doesn't happen multiple levels of undo. I
> >>> think it's
> >>> time WRI spent some time on this issue.
> >>>
> >> How much time could it possibly take! Once you have a 1-level undo
> >> working, all you need to do is spill the relevant data into a
> >> structure
> >> - possibly on disk - and retrieve it as needed!
> >>
> >> David Bailey
> >> http://www.dbaileyconsultancy.co.uk
> >>
> >
> >
>
>
>


-- 
http://chris.chiasson.name/


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