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Unable to call javascript from XForm

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amittelang

Unable to call javascript from XForm

I am trying to call javascript from Xform. Please let me know what wrong I am doing.
Inside my head tag I have code for javascript.
<script type="text/javascript"> var deleteItem= function() { alert('Hi') ; } </script>Inside by body tag I m calling the javascript.
<xf:trigger id="delete" xmlns="http://www.w3.org/1999/xhtml">
<xf:label>Delete Item</xf:label>
<xf:load ev:event="DOMActivate" resource="javascript:deleteItem()"/>
</xf:trigger>
Page load without any error. But while clicking on Delete Item button it gives me Javascript error "Object Expected at line 1.

Erik Bruchez

Re: Unable to call javascript from XForm

Administrator

I tried this and it works for me. See this running example:

https://gist.github.com/817811

-Erik

On Mon, Feb 7, 2011 at 7:09 AM, amittelang <[hidden email]> wrote:

I am trying to call javascript from Xform. Please let me know what wrong I am
doing.
Inside my head tag I have code for javascript.
<script type="text/javascript">
var deleteItem= function()
{
alert('Hi') ;
}
</script>
Inside by body tag I m calling the javascript.
<xf:trigger id="delete" xmlns="http://www.w3.org/1999/xhtml">
<xf:label>Delete Item</xf:label>
<xf:load ev:event="DOMActivate"
resource="javascript:deleteItem()"/>
</xf:trigger>
Page load without any error. But while clicking on Delete Item button it
gives me Javascript error "Object Expected at line 1.
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amittelang

Re: Unable to call javascript from XForm

Hi Eric,

Thanks for the reply.After removing <XHTML:HTML> and <HHTML:HEAD> and simply calling it by <HTML> and <HEAD> it calling Javascript.
But if I go to read the XForm Model and its instances its giving me null. My code is like below:
<xforms:model id="auctionItems" xmlns="http://www.w3.org/1999/xhtml" xmlns:xf="http://www.w3.org/2002/xforms">
<xforms:instance id="auctions" src="oxf:/apps/xforms-hello/auctions.xml" xmlns=""/>
</xforms:model>
<script type="text/javascript"> var testJS= function() { var model = document.getElementById("auctionItems"); var instance = model.getInstanceDocument("auctions");//here it gives null as model is coming as null.So 2nd line is given me null and Javascript error. } </script>If from Javascript I can not read Model and its instances then there is no mean to use it in XForm.
You can check the link http://www.ibm.com/developerworks/xml/library/x-xformsjavascript/ where such code is exists and according to them its working but its not working for me.

Suryaprakash

Re: Unable to call javascript from XForm

In reply to this post by Erik Bruchez

Hello Erik Bruchez,
if i want to populated the model/instance data into javascript function,what i do?
Please give ma any suitable soution

Thanks
Suryaprakash

Thanks, Suryaprakash Raghuwanshi ------------------------------------------------------------------ Before printing, think about the environment

Hasan

Re: Unable to call javascript from XForm

Hi Erik,

Thanks for your response and link to the solution. Just a bit more on this i want to pass parameter to the javascript function and the data the need to be passed is stored as an element in the some instance in the xform. so somehow i need to pass the element data from one instance as an parameter to the javascript function.

Do i need to look to the xforms variables. How variables will be assined from the xform instance element .

Thanks,
Hasan

Regards,
Hasan

Erik Bruchez

Re: Re: Unable to call javascript from XForm

Administrator

Hasan,

You could try with an AVT (the curly brackets):

<xforms:load resource="javascript:deleteItem('{instance('foo')/my/param}')"/>

-Erik

On Wed, Apr 27, 2011 at 10:10 PM, Hasan <[hidden email]> wrote:

> Hi Erik,
>
> Thanks for your response and link to the solution. Just a bit more on this i
> want to pass parameter to the javascript function and the data the need to
> be passed is stored as an element in the some instance in the xform. so
> somehow i need to pass the element data from one instance as an parameter to
> the javascript function.
>
> Do i need to look to the xforms variables. How variables will be assined
> from the xform instance element .
>
>
> Thanks,
> Hasan
>
> -----
> Hasan
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> View this message in context: http://orbeon-forms-ops-users.24843.n4.nabble.com/Unable-to-call-javascript-from-XForm-tp3264298p3480158.html
> Sent from the Orbeon Forms (ops-users) mailing list archive at Nabble.com.
>
>
> --
> You receive this message as a subscriber of the [hidden email] mailing list.
> To unsubscribe: mailto:[hidden email]
> For general help: mailto:[hidden email]?subject=help
> OW2 mailing lists service home page: http://www.ow2.org/wws
>
>