Re: [Phrame-devel] How do I make form objects persist across pages?

[Alex <ale...@ya...>]

Hi Andrew,

Hmm, I can't remember what it says in the docs, but
you can't combine information from three forms
*automatically* into one big form object. 

There is a possibility of mapping *one* form object to
the session scope, which means you get to use that
information later in the session. 

It does not however, merge information from three
forms into one big form object. (wizard-like: next,
next, next, finish)

Jason wrote a Wizard example a while back, perhaps you
could check that out. Might be easy to reuse his code.

What I usually do, is create a new session object
(statefull session bean if you use Java lingo) at the
beginning of the wizard (when user submits his first
form) and everytime the user submits another form, add
the information from the from object to the session
stored object.

Once the user has completed the wizard, you can act on
the information in the session stored object - like
store it in a DB orso.

It isn't all that hard, but it isn't done
automatically either.

If you want to change phrame to do that automatically,
don't forget users tend to want to press that back
button instead of that next button every now and
again, and it would be nice if it were to result in a
form filled out with the information previously
entered there. You can't make that work by changing
Phrame's processForm method.

If you would want to do it, you can indeed, as you
write, check if a form object of the correct name and
class exists in the session-scope, and add the new
fields to it. Depending on the situation, that might
suffice.

Good luck!

Kind regards,

Alex

--- Andrew Macgregor <an...@cb...>
wrote:
> Hi,
> 
> The phrame docs suggest that I can use the same form
> object across 
> several pages. Can I associate MyFormObject with
> three html forms and 
> have them all feed into it, then on a fourth page
> display the contents 
> of MyFormObject?
> 
> I've taken a look at the code in ActionController
> and the _processForm 
> method seems to create a new form object for each
> action. For this to 
> work should this method check the session to see if
> such a form object 
> exists and if so simply add to it?
> 
> Thanks, Andrew.
> 
> 
> 
>
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