Traits for a Thesis?
Klaus D. Witzel
klaus.witzel at cobss.com
Thu Jun 21 15:07:50 UTC 2007
On Thu, 21 Jun 2007 14:57:19 +0200, claudio acciaresi wrote:
> Hello, we (Nicolas Butarelli and Claudio Acciaresi) are from Buenos
> Aires, Argentina, we’re trying to make a thesis at the
> University of
> Buenos
> Aires.
>
>
> Our initial idea is to reimplement a model using traits,
> we would like to know what your opinions are (if you think that this is
> useful,
> etc) about this idea and which models do you think that would be nice to
> rethink
> using traits.
The html+css model is a definitely non-trivial one, especially when it
comes to the modular rendering engine. See the copied text below for an
impression, pointers and some ideas, also the full discussion thread @
-
http://lists.squeakfoundation.org/pipermail/squeak-dev/2007-February/114192.html
/Klaus
> Any material related to this idea will be really
> useful.
>
> Any opinion on this idea will also be useful, if you
> know anther idea related to traits, please tell us.
>
>
> Thanks a lot.
>
> Nicolas and Claudio.
>
>
On Fri, 23 Feb 2007 08:18:41 +0100, thread "A practical problem for
Traits":
> Some time ago I stepped through the process of applying a new software
> layer to an existing package, without creating mutual dependency. The
> base package is Todd's excellent html+css parser+DOM
>
> - http://www.squeaksource.com/htmlcssparser
>
> I used the W3 spec for designing the new software layer
>
> - http://www.w3.org/TR/xhtml-modularization/abstract_modules.html
> - http://www.w3.org/TR/html4/sgml/dtd.html
>
> The result is attached. It consists of Traits and the intended users of
> it. As yet no new method has been written; that's a bit too much for me
> at the moment. I still have not decided what to use, Morphic or Tweak.
> But if one of the layout experts would explain to me how to layout
> html+css in the Morphic or in the Tweak world then I'm sure this project
> can benefit from your expertise.
>
> As can be seen from the attached source code, W3's "modules" when
> implemented as Traits can be attached easily to Todd's fine classes,
> without any side effect, in a Monticello-friendly fashion. And if
> someone would decide to get rid of such "crap" then the Traits can as
> well be deimplemented without any side effect.
>
> It's also easy to imagine that from here on more than *two* developers
> can work on the same project; for example one on the hmtl-lists, another
> on the html-forms, etc, without disturbing each other. And if one of
> them has a requirement, master package-owner has the power to rule. What
> else can a Squeaker want :)
>
> The above can perhaps be used for debating Traits in Squeak. Fur sure
> the html+css engines belong to the most complicated pieces of software
> in this time on this planet. They do, in *parallel*, multiple http
> sessions, layout of parts, user interaction, security tasks, scripting,
> plug-in instantiation, resource constraints, etc, only for loading *one*
> single page from the web.
>
> I would appreciate if the Traits discussion could be directed towards
> practical solutions for this practical problem. I hope that the html+css
> project can benefit from your expertise, experience and opinion.
>
> /Klaus
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