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List:       tapestry-user
Subject:    Re: Looking for Advice on the "Tapestry Way" to recall where a page came from
From:       Erik Hatcher <erik () ehatchersolutions ! com>
Date:       2005-04-28 19:08:03
Message-ID: f24fe3876b1c48ef733fa1a458711e6b () ehatchersolutions ! com
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Have a look at using ICallback and family.  The VLib example 
application leverages this for the login page so that a user attempting 
to go to a page before logging in is redirected to the login page, then 
redirected back to the page requested.  A stack of ICallback's can be 
quite handy!  I've even used them for a tree menu system and it worked 
well.

	Erik

On Apr 28, 2005, at 2:36 PM, Patrick Casey wrote:

>
>
>             Right now I have a system that has a great deal of list 
> forms
> from which users select an element and got to a detail form where they 
> do
> some stuff and (usually) press submit.
>
>
>
>             At the end of the submit, I want the user to redirect back 
> to
> the list form he was just on.
>
>
>
>             Right now I'm achieving this with a data structure in my 
> visit
> objects that keeps track of the "source" for each edit page the user 
> has
> rendered and then redirects back to that particular source when a 
> successful
> submit happens. It's sort of a frail solution though as a user could
> potentially narf it by bringing up two parallel lists and editing from 
> each
> (in which case whichever edit button gets pressed second wins). 
> Likewise
> it's a solution that doesn't really use tapestry at all, it harkens 
> back to
> my pre-tapestry days when I'd either stash stuff in the session or 
> (more
> commonly) use lots, and lots, of hidden fields to allow loopback.
>
>
>
>             Is there a best practices approach to enabling this sort of
> thing within tapestry? Or is my old school approach more or less the 
> way
> others have been managing this?
>
>
>
>             --- Pat
>


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