From: "Andrew Savory" <[EMAIL PROTECTED]>
> On Fri, 12 Apr 2002, Franosch, Heike wrote:
>
> > I want to insert the session id to my URLs from within the stlyesheet
and
> > don't know
> > how to access the context. I have seen a hint about the
> > SessionValidationAction, but I just
> > can't get it run.
> > Has someone a nice tip or maybe some sample code how to achieve this?
>
> Quite possibly the wrong way of doing things, but I use an XSP to grab the
> relevant session details then aggregate them so they are available to use
> in the stylesheet.
>
> I'd be interested in hearing if there's a better way of doing it...
This is the easiest approach, and not wrong per se.
But when this kind of problem arises, I usually ask myself:
1. "Why do I need it in the stylesheet?"
2. "Is my stylesheet for -style- or am I programming with it?"
3. "Can't I resolve this problem once and for all during Generation?"
4. "Isn't this better solved with a Transformer, since it requires coding?"
There is not one and only answer, as in Cocoon you can do the same thing in
different ways.
But a simple hint is to try to do all in Generation, add the absolute
necessary with Transformers and use stylesheets only to change format-style,
not to code.
It will make your system more manageable and reusable, since it removes the
dependencies between Components.
If you need a specific thing to happen in Generation for the Transformation
to work, you are making code reuse much harder.
--
Nicola Ken Barozzi [EMAIL PROTECTED]
- verba volant, scripta manent -
(discussions get forgotten, just code remains)
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