Javascript Integration - notify of events?

>
> The documentation describes accessing <input> values,
> but is there a way to be notified of a submission
> or some other xml event?
>
> I want to integrate with Google maps and I want to
> update the map when values change.  I suppose I
> could do this asynchronously, using an non-xforms
> 'update' button that calls a javascript function,
> or a timer function that looks at a hidden value
> (update-time).
>
> Suggestions welcome.
>
> Thanks,
> Hank Ratzesberger
>
> NEES@UCSB
> www.nees.ucsb.edu
>
>
>
>
>
>
> --
> 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
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>
>
>

> Hi Hank,
>
> You are making a very good point. This also came up a few times
> recently so I felt the need to summarize what can be done today and
> the plans are for tomorrow on:
>
> https://wiki.objectweb.org/ops/Wiki.jsp?page=XFormsJavaScriptEventHandlers
>
> Comments are welcome!
>
> Alex
>
> On 6/2/06, Hank Ratzesberger <[hidden email]> wrote:
> >
> > The documentation describes accessing <input> values,
> > but is there a way to be notified of a submission
> > or some other xml event?
> >
> > I want to integrate with Google maps and I want to
> > update the map when values change.  I suppose I
> > could do this asynchronously, using an non-xforms
> > 'update' button that calls a javascript function,
> > or a timer function that looks at a hidden value
> > (update-time).
> >
> > Suggestions welcome.
> >
> > Thanks,
> > Hank Ratzesberger
> >
> > NEES@UCSB
> > www.nees.ucsb.edu
>

>
> Alex,
>
> I like your proposal.  I think it is a very
> practical extension.  It is one thing for
> proposal writers to obscure all system implementation,
> but for application writers, eventually there's
> a "bump in the road."
>
> In my brief look at xforms.js, I didn't see
> a way to smooth out one more issue, inspecting
> an instance document.  e.g.:
>
> var myNode = getXFormsInstance('instance_name');
>
> which would return the document node for the
> instance, with the understanding that changing
> any values is "unsupported."
>
> Cheers,
> Hank
>
> Quoting Alessandro Vernet <[hidden email]>:
>
>> Hi Hank,
>>
>> You are making a very good point. This also came up a few times
>> recently so I felt the need to summarize what can be done today and
>> the plans are for tomorrow on:
>>
>> https://wiki.objectweb.org/ops/Wiki.jsp?page=XFormsJavaScriptEventHandlers
>>
>> Comments are welcome!
>>
>> Alex
>>
>> On 6/2/06, Hank Ratzesberger <[hidden email]> wrote:
>> >
>> > The documentation describes accessing <input> values,
>> > but is there a way to be notified of a submission
>> > or some other xml event?
>> >
>> > I want to integrate with Google maps and I want to
>> > update the map when values change.  I suppose I
>> > could do this asynchronously, using an non-xforms
>> > 'update' button that calls a javascript function,
>> > or a timer function that looks at a hidden value
>> > (update-time).
>> >
>> > Suggestions welcome.
>> >
>> > Thanks,
>> > Hank Ratzesberger
>> >
>> > NEES@UCSB
>> > www.nees.ucsb.edu
>>
>
>
> ----------------------------------------------------------------
> This message was sent using IMP, the Internet Messaging Program.
>
>
>

> Correction:
>
> var myNode = getInstanceDocument('myDocID');
>
> per the 1.0 recomendation. (Next you will
> show that it's already implemented and I can
> really be red-faced ;)
>
> Cheers,
> Hank
>
> ----- Original Message -----
> From: <[hidden email]>
> To: <[hidden email]>
> Sent: Saturday, June 03, 2006 9:05 AM
> Subject: Re: [ops-users] Javascript Integration - notify of events?
>
>
> >
> > Alex,
> >
> > I like your proposal.  I think it is a very
> > practical extension.  It is one thing for
> > proposal writers to obscure all system implementation,
> > but for application writers, eventually there's
> > a "bump in the road."
> >
> > In my brief look at xforms.js, I didn't see
> > a way to smooth out one more issue, inspecting
> > an instance document.  e.g.:
> >
> > var myNode = getXFormsInstance('instance_name');
> >
> > which would return the document node for the
> > instance, with the understanding that changing
> > any values is "unsupported."
> >
> > Cheers,
> > Hank
> >
> > Quoting Alessandro Vernet <[hidden email]>:
> >
> >> Hi Hank,
> >>
> >> You are making a very good point. This also came up a few times
> >> recently so I felt the need to summarize what can be done today and
> >> the plans are for tomorrow on:
> >>
> >> https://wiki.objectweb.org/ops/Wiki.jsp?page=XFormsJavaScriptEventHandlers
> >>
> >> Comments are welcome!
> >>
> >> Alex
> >>
> >> On 6/2/06, Hank Ratzesberger <[hidden email]> wrote:
> >> >
> >> > The documentation describes accessing <input> values,
> >> > but is there a way to be notified of a submission
> >> > or some other xml event?
> >> >
> >> > I want to integrate with Google maps and I want to
> >> > update the map when values change.  I suppose I
> >> > could do this asynchronously, using an non-xforms
> >> > 'update' button that calls a javascript function,
> >> > or a timer function that looks at a hidden value
> >> > (update-time).
> >> >
> >> > Suggestions welcome.
> >> >
> >> > Thanks,
> >> > Hank Ratzesberger
> >> >
> >> > NEES@UCSB
> >> > www.nees.ucsb.edu
> >>
> >
> >
> > ----------------------------------------------------------------
> > This message was sent using IMP, the Internet Messaging Program.
> >
> >
> >
>
>
> --------------------------------------------------------------------------------
>
>
> >
> > --
> > 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
> > ObjectWeb mailing lists service home page: http://www.objectweb.org/wws
> >
>
>
>
>
> --
> 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
> ObjectWeb mailing lists service home page: http://www.objectweb.org/wws
>
>
>

> Hi Hank,
>
> You can't use getInstanceDocument('myDocID') in JavaScript because the
> whole instance is not sent to the browser. Only the parts that are
> bound to XForms controls are available. In general, the benefit of not
> having to send the whole instance (security and speed) outweighs the
> drawback of not being able to see the whole instance in JavaScript.
>
> If the logic you want to implement in JavaScript is such that having
> access to just parts of the instance is not practical and that you
> need to have access to the whole, at this point you will have to
> implement this on the server-side and use an <xforms:submission> to
> call that code.
>
> Alex
>
> On 6/5/06, Hank Ratzesberger <[hidden email]> wrote:
>> Correction:
>>
>> var myNode = getInstanceDocument('myDocID');
>>
>> per the 1.0 recomendation. (Next you will
>> show that it's already implemented and I can
>> really be red-faced ;)
>>
>> Cheers,
>> Hank
>>
>> ----- Original Message -----
>> From: <[hidden email]>
>> To: <[hidden email]>
>> Sent: Saturday, June 03, 2006 9:05 AM
>> Subject: Re: [ops-users] Javascript Integration - notify of events?
>>
>>
>> >
>> > Alex,
>> >
>> > I like your proposal.  I think it is a very
>> > practical extension.  It is one thing for
>> > proposal writers to obscure all system implementation,
>> > but for application writers, eventually there's
>> > a "bump in the road."
>> >
>> > In my brief look at xforms.js, I didn't see
>> > a way to smooth out one more issue, inspecting
>> > an instance document.  e.g.:
>> >
>> > var myNode = getXFormsInstance('instance_name');
>> >
>> > which would return the document node for the
>> > instance, with the understanding that changing
>> > any values is "unsupported."
>> >
>> > Cheers,
>> > Hank
>> >
>> > Quoting Alessandro Vernet <[hidden email]>:
>> >
>> >> Hi Hank,
>> >>
>> >> You are making a very good point. This also came up a few times
>> >> recently so I felt the need to summarize what can be done today and
>> >> the plans are for tomorrow on:
>> >>
>> >>
>> https://wiki.objectweb.org/ops/Wiki.jsp?page=XFormsJavaScriptEventHandlers 
>>
>> >>
>> >> Comments are welcome!
>> >>
>> >> Alex
>> >>
>> >> On 6/2/06, Hank Ratzesberger <[hidden email]> wrote:
>> >> >
>> >> > The documentation describes accessing <input> values,
>> >> > but is there a way to be notified of a submission
>> >> > or some other xml event?
>> >> >
>> >> > I want to integrate with Google maps and I want to
>> >> > update the map when values change.  I suppose I
>> >> > could do this asynchronously, using an non-xforms
>> >> > 'update' button that calls a javascript function,
>> >> > or a timer function that looks at a hidden value
>> >> > (update-time).
>> >> >
>> >> > Suggestions welcome.
>> >> >
>> >> > Thanks,
>> >> > Hank Ratzesberger
>> >> >
>> >> > NEES@UCSB
>> >> > www.nees.ucsb.edu
>> >>
>> >
>> >
>> > ----------------------------------------------------------------
>> > This message was sent using IMP, the Internet Messaging Program.
>> >
>> >
>> >
>>
>>
>> --------------------------------------------------------------------------------
>>
>>
>>
>> >
>> > --
>> > 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
>> > ObjectWeb mailing lists service home page: http://www.objectweb.org/wws
>> >
>>
>>
>>
>>
>> --
>> 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
>> ObjectWeb mailing lists service home page: http://www.objectweb.org/wws
>>
>>
>>
>
>
>
> ------------------------------------------------------------------------
>
>
> --
> 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
> ObjectWeb mailing lists service home page: http://www.objectweb.org/wws

> Alex,
>
> Of course that's right, but to be fair to Hank, it wouldn't be
> *impossible* to provide (at least read-only) access to instances from
> JavaScript, whether the JavaScript is run on the client or on the server.
>
> Currently, we do not implement DOM access from JavaScript. Note that
> this is not a mandatory part of the XForms spec ("XForms Processors that
> implement DOM...").
>
> -Erik
>
> Alessandro Vernet wrote:
>> Hi Hank,
>>
>> You can't use getInstanceDocument('myDocID') in JavaScript because the
>> whole instance is not sent to the browser. Only the parts that are
>> bound to XForms controls are available. In general, the benefit of not
>> having to send the whole instance (security and speed) outweighs the
>> drawback of not being able to see the whole instance in JavaScript.
>>
>> If the logic you want to implement in JavaScript is such that having
>> access to just parts of the instance is not practical and that you
>> need to have access to the whole, at this point you will have to
>> implement this on the server-side and use an <xforms:submission> to
>> call that code.
>>
>> Alex
>>
>> On 6/5/06, Hank Ratzesberger <[hidden email]> wrote:
>>> Correction:
>>>
>>> var myNode = getInstanceDocument('myDocID');
>>>
>>> per the 1.0 recomendation. (Next you will
>>> show that it's already implemented and I can
>>> really be red-faced ;)
>>>
>>> Cheers,
>>> Hank
>>>
>>> ----- Original Message -----
>>> From: <[hidden email]>
>>> To: <[hidden email]>
>>> Sent: Saturday, June 03, 2006 9:05 AM
>>> Subject: Re: [ops-users] Javascript Integration - notify of events?
>>>
>>>
>>> >
>>> > Alex,
>>> >
>>> > I like your proposal.  I think it is a very
>>> > practical extension.  It is one thing for
>>> > proposal writers to obscure all system implementation,
>>> > but for application writers, eventually there's
>>> > a "bump in the road."
>>> >
>>> > In my brief look at xforms.js, I didn't see
>>> > a way to smooth out one more issue, inspecting
>>> > an instance document.  e.g.:
>>> >
>>> > var myNode = getXFormsInstance('instance_name');
>>> >
>>> > which would return the document node for the
>>> > instance, with the understanding that changing
>>> > any values is "unsupported."
>>> >
>>> > Cheers,
>>> > Hank
>>> >
>>> > Quoting Alessandro Vernet <[hidden email]>:
>>> >
>>> >> Hi Hank,
>>> >>
>>> >> You are making a very good point. This also came up a few times
>>> >> recently so I felt the need to summarize what can be done today and
>>> >> the plans are for tomorrow on:
>>> >>
>>> >>
>>> https://wiki.objectweb.org/ops/Wiki.jsp?page=XFormsJavaScriptEventHandlers 
>>>
>>> >>
>>> >> Comments are welcome!
>>> >>
>>> >> Alex
>>> >>
>>> >> On 6/2/06, Hank Ratzesberger <[hidden email]> wrote:
>>> >> >
>>> >> > The documentation describes accessing <input> values,
>>> >> > but is there a way to be notified of a submission
>>> >> > or some other xml event?
>>> >> >
>>> >> > I want to integrate with Google maps and I want to
>>> >> > update the map when values change.  I suppose I
>>> >> > could do this asynchronously, using an non-xforms
>>> >> > 'update' button that calls a javascript function,
>>> >> > or a timer function that looks at a hidden value
>>> >> > (update-time).
>>> >> >
>>> >> > Suggestions welcome.
>>> >> >
>>> >> > Thanks,
>>> >> > Hank Ratzesberger
>>> >> >
>>> >> > NEES@UCSB
>>> >> > www.nees.ucsb.edu
>>> >>
>>> >
>>> >
>>> > ----------------------------------------------------------------
>>> > This message was sent using IMP, the Internet Messaging Program.
>>> >