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RE: How to forward instance data between forms ?

From: Mark Seaborne <MSeaborne@origoservices.com>
Date: Wed, 29 Oct 2003 10:01:28 -0000
Message-ID: <DC65AE678B89004B9CCB202E19482CC73BBC10@mail.origoservices.local>
To: "Paolo C." <paoloxforms@yahoo.fr>
Cc: <www-forms@w3.org>


Beg pardon, I forgot that you need to submit the instance first!

The scenario I have developed for is form1 is used to populate part of an instance. Once this is done I have used 

<xfm:send model="x" submission="submit1"/>
<xforms:load resource="next_form.html" show="repleace"/>

within a convenient event, to move the user to the next form, which loads the same instance, but exposes a different part of it to the user.

I have also written schemas that break the validation into discrete chunks, so that only the part of the instance currently being worked on gets validated

All the best


PS I have used this technique for both online and offline forms with FormsPlayer and XSmiles.

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> -----Original Message-----
> From: Mark Birbeck [mailto:Mark.Birbeck@x-port.net]
> Sent: 29 October 2003 09:48
> To: Mark Seaborne; Paolo C.
> Cc: www-forms@w3.org
> Subject: RE: How to forward instance data between forms ?
> Mark wrote:
> > This behaviour is supported by XForms using
> >
> > <xfm:load resource="the other form you want to load" 
> show="replace"/>
> That wouldn't achieve the desired effect since you will lose 
> the instance
> data from the first form.
> Paolo wrote:
> > My aim is to forward some instance data from a first
> > XForms page (form1.xml) to a second XForms page
> > (form2.xml).
> > 
> > [...]
> > 
> > Is this kind of approach conformant to the XForms
> > recommandation ?
> It depends what you mean. If you mean could you refer to some 'global'
> instances across forms, then no. But there is nothing to stop 
> you saving the
> first lot of instance data and then picking it up again in 
> the second form.
> This could be done to a server (which has the advantage that 
> the user could
> continue on the second form on a different device, or at a 
> later date) or
> saved locally, using "file:".
> One of our samples illustrates many of the ideas that you 
> would need to do
> this:
> <http://www.formsplayer.com/community/samples/index.html#Off-l

Note in particular the use of xforms-model-destruct to save the data on

    <xforms:action ev:event="xforms-model-destruct">
      <xforms:send submission="siOrder_SaveLocal" />

> Does someone know a (possibly open source) product which allows this ?

X-Smiles supports "file:" and is open source. formsPlayer also supports it,
is not open source, but is free.



Mark Birbeck
x-port.net Ltd.
4 Pear Tree Court

Download our XForms processor for IE
from http://www.formsPlayer.com/

E: Mark.Birbeck@x-port.net
W: www.x-port.net
T: +44 (20) 7689 9232
Received on Wednesday, 29 October 2003 05:02:52 UTC

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