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Re: Using this > oxf.xforms.server.events.plain-value-change property

Posted by Erik Bruchez on Jan 27, 2010; 4:32pm
URL: https://discuss.orbeon.com/Using-this-oxf-xforms-server-events-plain-value-change-property-tp991338p1311780.html

This has now changed quite a bit on the master branch (which produces
the main nightly builds). This is what we implement now:

http://wiki.orbeon.com/forms/doc/developer-guide/xforms-refresh-events#TOC-Proposal

This proposal is being discussed by the XForms Working Group at W3C.

-Erik

On Thu, Dec 31, 2009 at 1:24 AM, Hoi Chong <[hidden email]> wrote:

> Hi,
> According to the Orbeon Wiki,
>
> XForms 1.1 specifies that upon xforms-value-changed, all MIP events must be
> dispatched as well. This behavior is usually not desired and can have a
> negative performance impact. Setting the following property to true removes
> that behavior:
>
> <property as="xs:boolean" name="oxf.xforms.server.events.plain-value-change"
> value="true"/>
>
> In this case, xforms-value-changed does not automatically cause MIP events
> to be sent. They will be sent only if needed, that is if they have changed.
>
>
>
> Is this property still there?
>
> I am using an Orbeon nightly download from Dec 19th 2009.
>
> In the past, we notice that xforms-value-changed will not be trigger when we
> set a field value to the same value.
> Eg: An input field has an existing value of "English", we do a setvalue to
> update it to "English".
> The input field value is not changed, so xforms-value-changed did not get
> triggered.
>
> Our forms are design with this behavior in mind, but the recent Orbeon
> nightly download do not follow the same behavior pattern.
>
> Thanks.
>
>
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