how to access xforms:model with javascript with orbeon ?

Hi

how to access xforms:model with javascript with orbeon ? preferably declaratively

with regards
Pralhad

You can't access the model with JavaScript, at least not directly. See  
this part of the doc for our JavaScript API:

http://www.orbeon.com/ops/doc/reference-xforms-extensions#xforms-javascript

-Erik

On Apr 30, 2009, at 3:37 AM, vernekap wrote:
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Pralhad,

Indeed, you can only access the value in a control. The whole model
is not exposed as a DOM object.  However, you can create a DOM
object from an instance.  I found this necessary when trying to
use google map features.  Using xxforms:serialize and, in your
javascript, e.g. GXml.parse()

<xforms:instance id="stations" src="stations.xml"/>

<xforms:instance id="stations-text">
   <config xmlns="">
     <text/>
   </config>
</xforms:instance>

<xforms:bind nodeset="instance('stations-text')" xmlns:xs="http://
www.w3.org/2001/XMLSchema">
   <xforms:bind nodeset="text" type="xs:string"
     calculate="xxforms:serialize( instance('stations'), 'html' )"/>
</xforms:bind>

And then, perhaps a hidden control bound to the stations-text instance.
Finally, in your javascript,

var StationText = ORBEON.xforms.Document.getValue("stations-text-ctrl");

var staXml = GXml.parse(StationText);
var stations = staXml.getElementsByTagName("pfarr");

So, you can create in JavaScript some instance.  Hopefully it is rare
that you need to do so.

(BTW there is a now a Google map control)

http://wiki.orbeon.com/forms/doc/developer-guide/xbl-existing-xbl- 
components#TOC-Map

Regards,
Hank


On Apr 30, 2009, at 8:27 PM, Erik Bruchez wrote:
Hank Ratzesberger
NEES@UCSB
Institute for Crustal Studies,
University of California, Santa Barbara
805-893-8042







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