Integration of XForms with JSP

Hi,
I am new to XForms and Orbeon XForms. I have one application where I need to
show XForms controls in an IFRAME (since contents will be dynamic in nature)
and other application related controls in rest of the page. I can save the data
from XForms if I call the submission directly from my XForms using
xforms:submit control. But, I want to use the submit functionality of my
application with two operations
1) Save the data from XForms controls in an XML format (like the direct
submission), and if it is successful, then ,
2) I want to save the application related data. I do not want to make the
complate page in XForms since I am using XForms for some limited functionality

I am using Struts framework 1.3 and my pages are struts jsp pages.

Pl. provide your valuable suggestions.

Sabeer


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So far so good.

> 2) I want to save the application related data. I do not want to  
> make the
> complate page in XForms since I am using XForms for some limited  
> functionality

I am not sure I understand what this point means. Can you be more  
precise?

-Erik

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The idea is that my application user can upload .XHTML file( with XFORMS
controls) and later they can enter information through the .XHTML file that
they have uploaded. This form will be displayed in an IFRAME for data entry.
This IFRAME is a part of my web page and there are other controls which are
defined by my application in the same page. There is a submit button in my page
and I want to use that submit button ( from struts jsp html:submit) to submit
both the XFORMS data and data from other controls in the page to the server. In
normal case, I can call any function (javascript) available in my iframe but in
this case, I am not able to do that.

my XHTML looks like
<?xml version="1.0" encoding="iso-8859-1"?>
<xhtml:html xmlns:ev="http://www.w3.org/2001/xml-events"
xmlns:xforms="http://www.w3.org/2002/xforms"
xmlns:xhtml="http://www.w3.org/1999/xhtml"
xmlns:xsd="http://www.w3.org/2001/XMLSchema"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
        <xhtml:head>
        <xhtml:script>
            function saveform() {
        document.forms[0].submit();
            }
        </xhtml:script>
<xhtml:title/>
                <xforms:model>
                <xforms:instance id="medwatch"
src="http://localhost:8080/orbeonintegration/XFormGetDataServlet">

                        </xforms:instance>
                        <xforms:submission
action="http://localhost:8080/orbeonintegration/XFormSaveDataServlet"
ref="instance('medwatch')" method="post"      
id="save" replace="all" validate="false"/>
                </xforms:model>
        </xhtml:head>
        <xhtml:body>

        ---- controls and binding ----
                <xforms:submit id="submit_0" submission="save">
                        <xforms:label>Submit</xforms:label>
                </xforms:submit>
        </xhtml:body>
</xhtml:html>

XFormGetDataServlet will return the instance data in the form of xml and
XFormSaveDataServlet will write the xform data into a file. In my submit
functionality of my page, I have called saveform() javascript function but
nothing has happened. I hope, I am able to describe my problem


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> and I want to use that submit button ( from struts jsp html:submit)  
> to submit
> both the XFORMS data and data from other controls in the page to the  
> server. In
> normal case, I can call any function (javascript) available in my  
> iframe but in
> this case, I am not able to do that.

You would then be mixing and matching an HTML form submission and an  
XForms submission. Ouch.

When Orbeon Forms converts XForms to HTML, it automatically creates an  
HTML form. Your Struts tags will interfere with that. I am not saying  
it is strictly impossible to make it work, just that it sounds really  
messy.

In addition, and XForms submission does not occur from the browser in  
Orbeon Forms, but from the server. So you really have two completely  
different types of submissions.

I would advise you to try to keep things simple and only use an XForms  
submission.

This said, what you could try is this: first do an XForms submission  
with replace="none". Then call JavaScript. This would look like this:

<xforms:submission id="save"
   action="http://localhost:8080/orbeonintegration/XFormSaveDataServlet"
   ref="instance('medwatch')" method="post"
   replace="none" validate="false"/>

<xforms:trigger>
   <xforms:label>Submit</xforms:label>
   <xforms:action ev:event="DOMActivate">
     <xforms:send submission="save"/>
     <xxforms:script>
       saveform()
     </xxforms:script>
   </xforms:action>
</xforms:trigger>

This may get you somewhere, but the XForms data will be submitted  
first, and the HTML form data second.

-Erik
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Orbeon Forms - Web Forms for the Enterprise Done the Right Way
http://www.orbeon.com/



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Thanks for the suggestion.
Is there any way to prevent the XFORMS submission event ?. I would like to do
the following approach. While pressing on Submit button on my XFORMS, before
submitting the XFORMS data to the server, I wanted to check whether the
mandatory fields outside of my XFORMS (on my main page) is available or not. If
it is not there, then, I do not want to submit the XFORMS data.


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What you could do is the following:

* Use xforms:trigger to run a piece of script with xxforms:script
* The script:
** checks your field in the HTML
** if necessary, fires a custom XForms event
* The custom event triggers the submission if needed

Some relevant doc:

http://www.orbeon.com/ops/doc/reference-xforms-2#xforms-javascript

-Erik

On Feb 6, 2008, at 5:42 AM, Sabeer wrote:
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Sabeer,

On Feb 6, 2008 5:42 AM, Sabeer <[hidden email]> wrote:
> Thanks for the suggestion.
> Is there any way to prevent the XFORMS submission event ?. I would like to do
> the following approach. While pressing on Submit button on my XFORMS, before
> submitting the XFORMS data to the server, I wanted to check whether the
> mandatory fields outside of my XFORMS (on my main page) is available or not. If
> it is not there, then, I do not want to submit the XFORMS data.

If you have a button on the page which is intended to submit the form
(i.e. xforms:trigger), you can have a complete control over the
actions that run when the button is pressed. In particular, you can
run some JavaScript with the xxforms:script that checks your other
non-XForms form elements (see the first link below), sets the result
back in an XForms instance (see second link below), and then you can
run a conditional xforms:send (using the "if" attribute on
xforms:send) based on that result.

http://www.orbeon.com/ops/doc/reference-xforms-2#xxforms-script-extension
http://www.orbeon.com/ops/doc/reference-xforms-2#xforms-javascript-get-set-value

Alex
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Orbeon Forms - Web 2.0 Forms, open-source, for the Enterprise
Orbeon's Blog: http://www.orbeon.com/blog/
Personal Blog: http://avernet.blogspot.com/


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Thanks for your suggestion and I was able to find out the workarround for my
problem. It is working perfect for IE but in Firefox 3.0.1, I am not able to
get some of the events fired. Due to that my main JSP page ( Which has the
iframe to show XFORM document) is not getting back response from XFORM
I am using OPS 3.6

Here is my XFORM code

<?xml version="1.0" encoding="UTF-8"?>
<xhtml:html xmlns:xhtml="http://www.w3.org/1999/xhtml"
xmlns:ev="http://www.w3.org/2001/xml-events"
xmlns:xforms="http://www.w3.org/2002/xforms"
xmlns:xsd="http://www.w3.org/2001/XMLSchema">
    <xhtml:head>
        <xhtml:title/>
        <xforms:model xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:xxforms="http://orbeon.org/oxf/xml/xforms" id="medwatchmodelid"
xxforms:external-events="do-something">

            <xforms:instance id="medwatch" xmlns="">
                <data>
                    <patientinformation>
                        <patientidentifier/>
                        <ageatthetimeofevent/>
                        <dateofbirth/>
                        <sex>
                            <female/>
                            <male/>
                        </sex>
                        <weight>
                            <lbs/>
                            <kgs/>
                        </weight>
                    </patientinformation>
                </data>

            </xforms:instance>


            <xforms:submission
action="http://localhost:8080/myapp/XFormSaveDataServlet?aerid=2165"
encoding="iso-8859-1" id="save" method="post" mode="synchronous"
ref="instance('medwatch')" replace="none" validate="false"/>
               

                <xforms:send submission="save" ev:event="do-something"/>

                        <xforms:action ev:event="xforms-submit-done">
                                <xxforms:script>
                                        notifyparent(1); // submission of XFORM
is successful
                                </xxforms:script>
                        </xforms:action>

                        <xforms:action ev:event="xforms-submit-error" >
                                <xxforms:script>
                                        notifyparent(0);// submission of XFORM
is not successful
                                </xxforms:script>
                        </xforms:action >

        </xforms:model>
    </xhtml:head>
    <xhtml:body>

        <xforms:group appearance="full"
ref="instance('medwatch')/patientinformation">
                <xforms:label>A.PATIENT INFORMATION</xforms:label>
                        <xhtml:h5>1.Patient Identifier</xhtml:h5>
                                <xforms:input xmlns="" ref="patientidentifier"
required="false()" style="width: 48px">
                                        <xforms:label/>
                                </xforms:input>
                        <xhtml:h5>2.Age at the Time of Event:</xhtml:h5>
                                <xforms:input xmlns=""
ref="ageatthetimeofevent" style="width: 48px">
                                        <xforms:label/>
                                </xforms:input>
                                <xhtml:h5>or Date of Birth:</xhtml:h5>
                                <xforms:input xmlns="" ref="dateofbirth"
style="width: 48px">
                                        <xforms:label/>
                                </xforms:input>
        </xforms:group>



        <xhtml:script type="text/javascript">
        function saveform()
        {
               
ORBEON.xforms.Document.dispatchEvent('medwatchmodelid','do-something');
        }



        function notifyparent(value)
        {
                // Calls the function notify() from main page
                window.parent.notify(value);
        }

        </xhtml:script>


</xhtml:body>
</xhtml:html>


Here is my JSP code from where I call submit operation
In JSP

//this is my submit button on main page. While submitting, it calls presubmit()
function first.

<button class="formButton" property="presubmit"
onclick="javascript:presubmit();"



function presubmit()
{
        // Calls saveform()function from XFORM
        if(window.parent && window.parent.frames &&
window.parent.frames.iframe2 && window.parent.frames.iframe2.window ))
                window.parent.frames.iframe2.window.saveform();
        else
                notify(0);
}

function notify(value)
{
        if( value == 1)
        {
                saved = true;
                document.forms[0].submit();
        }
        else
        {
                saved = false;
               
        }

}

Please suggest me what I have to do to work it for FireFox

What I have achieved in IE using above code is
I have an IFRAME on my main page where I show my XFORM through which data entry
can be done. The main page has a submit button and while pressing on Submit
button, the XFROM data got submitted initially and (This portion onwards is not
working from FIREFOX )
if the XFORM submission  is successful, it calls a function which is defined in
the XFORM file itself and in that function it calls a java script function
which is defined in main page. Then the main page calls its final form
submission.

Thanks
Sabeer


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Orbeon Forms 3.6 has issues with Firefox 3.x, which have been fixed a  
long time ago. However, that fix is only available in the nightly  
builds, and in the upcoming 3.7 beta 1 build.

-Erik

On Aug 24, 2008, at 11:28 PM, Sabeer wrote:
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