inter-form pokage

I have two forms where one is inside an iframe. The outer form is for
exploring and selecting, the inner form is for showing the details of
what's selected. Changing the details of what's selected sometimes
changes what should show in the outer form. For example, the outer form
shows how things are categorized, and if I add a category to a selected
thing in the inner form, that thing should then show up in that category
in the outer form. Is there any way to kick the outer form to make it
update? Can I make the browser reload maybe?

If that's not possible, is there an event I can detect when the user
clicks anywhere on the outer form?

Thanks,
-Jim



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Do you have to use an iframe? Could you instead combine the two frames  
into a single one?

As far as XForms is concerned, your two forms are like two separate  
web pages. If you want to communicate between the two, you will have  
to play quite a bit with JavaScript.

-Erik

On Jul 20, 2008, at 10:42 AM, Jim Logan wrote:
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Erik Bruchez wrote:
> Do you have to use an iframe? Could you instead combine the two frames
> into a single one?
Well, I started with everything in one form, but it was large and
complex. Separating concerns seemed like a good idea. Are there any
other techniques for managing form complexity? I've read about using
multiple models, but I'm not sure that would help.

Thanks,
-Jim



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Hi Jim,

Such as a tabbed interface?  That is what I do.  The widget:tabs control
responds to xforms:toggle events.  I break things up into separate forms
that don't require scrolling, if possible.  The submit toggles to the
next tab.  I still need to do more with handling exceptions -- to put  
the
user back to the right tab, but otherwise, the form proceeds from  
left to
right, so to speak, and the last tab submits the whole thing.

Cheers,

--Hank

On Jul 20, 2008, at 9:20 PM, Jim Logan wrote:
Hank Ratzesberger
NEES@UCSB
Institute for Crustal Studies,
University of California, Santa Barbara
805-893-8042







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Jim,

On Sun, Jul 20, 2008 at 10:42 AM, Jim Logan <[hidden email]> wrote:
> I have two forms where one is inside an iframe. The outer form is for
> exploring and selecting, the inner form is for showing the details of what's
> selected. Changing the details of what's selected sometimes changes what
> should show in the outer form. For example, the outer form shows how things
> are categorized, and if I add a category to a selected thing in the inner
> form, that thing should then show up in that category in the outer form. Is
> there any way to kick the outer form to make it update? Can I make the
> browser reload maybe?

In JavaScript, you can use window.parent to access to parent window
from the iframe, and then call a global JavaScript function you have
declared there, which can dispatch an event with
ORBEON.xforms.Document.dispatchEvent() - see
http://www.orbeon.com/ops/doc/reference-xforms-2#xforms-javascript-events.

But I am afraid that by doing so, you are adding some complexity,
which you were trying to get rid in the first place. Also iframe have
some layout constraint which might turn out to be a issue down the
road. Like Erik said, I would personally try to stay away from
iframes, and would favor doing everything in one page, but maybe that
is more of a personal preference :).

Alex
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Orbeon's Blog: http://www.orbeon.com/blog/
Personal Blog: http://avernet.blogspot.com/
Twitter - http://twitter.com/avernet


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