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List:       tapestry-user
Subject:    Re: [T4.1] How to get list of registered components?
From:       "Alejandro Scandroli" <alejandroscandroli () gmail ! com>
Date:       2007-11-27 15:07:54
Message-ID: e1cf626e0711270707l60002080g40c7200f15b55272 () mail ! gmail ! com
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Hi

These old threads might help:
http://www.nabble.com/dynamic-component-injection-tf3845654.html#a11223321
http://www.nabble.com/Question-regarding-Block-RenderBlock-tf2586721.html#a7212396

--
Alejandro Scandroli
Amneris: We build process-driven web applications.
http://www.amneris.es

On Nov 27, 2007 3:24 PM, ccmail <ccmail@interia.pl> wrote:
> ccmail wrote:
> > Hi,
> >
> > how can I get list of active components programatically from within
> > Tapestry component? What I need to do is to check if a component
> > (being a template) with given name exists and use it if so or use some
> > default template otherwise.
> >
> > BTW: is it possible at all? Can I insert ognl within jwcid attribute
> > to return custom name of a component?
>
> To be more specific about a use-case I'm trying to solve... What I need
> is to select component template (preferably)  or whole component
> dynamically depending on a parameter stored in session. How should I
> approach this problem? I've already checked that's it impossible to put
> OGNL expression into JWCID attribute :-/
>
> Let's say that I want to display list of some items but the way of
> displaying an entry depends on user-role. I'd like to be able to add new
> roles without putting some new @IF into template. The ideal solution
> would be to have one component called @MultiRoleEntry having several
> templates with names in certain convention reflecting user's role. Like
> MultiRoleEntry_DEFAULThtml, MultiRoleEntry_ADMIN.html,
> MultiRoleEntry_GUEST.html. If I could hack Tapestry to use certain
> template depending on user's role stored in session I would be a happy
> man :-) . I could define behaviour in such a way that if there's no
> specific template for particular role then DEFAULT would be used,
> otherwise that specialized template would come into play.
>
> Is it possible at all in Tapestry 4.1 programming model?
>
> I would greatly appreciate any answers
>
>
> With regards,
> Wojtek
>
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