[Framework-Team] Re: PLIP wishlists towards 3.0

Martin Aspeli optilude at gmx.net
Mon Mar 20 15:21:00 UTC 2006

Vincenzo Di Somma <vincenzo at ...> writes:

> >  #119 -- Contextual help: This is end-user, context sensitive help. I've got 
> > some code that does this, based on a custom catalog and AT content, that is 
> > fairly complete but needs some polishing. Again, a re-evaluation of this in 
> > terms of Z3 concepts would be welcome.
> do you have any idea about how much impact on the performance will have
> this feature ?

The PloneContextHelp product uses a separate ZCatalog to keep track of this, and
is quite performant - one catalog query per request, basically, and no waking up
of objects until you actually request a help page. It has optional TALES
evaluation, but this is the last thing that's evaluated, and it doesn't depend
on any objects besides the current navigation context being woken up.

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