Posted by Hank Ratzesberger on
URL: https://discuss.orbeon.com/no-subject-tp42047p42053.html


You will need to use JavaScript integration methods

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

For example, if you have some xml that has lat and lon points in it,
your javascript can get the xml from a form control:

var EventText = ORBEON.xforms.Document.getValue("event-text-ctrl");

and parse it to get the lat/lon:

        var xml = GXml.parse(EventText);
        var markers = xml.documentElement.getElementsByTagName("origin");
        var qIcon = new GIcon();

        qMarkers = new Array();

        for (var i = 0; i < markers.length; i++) {
                var lat,lon,depth,time,evid,jdate,ml,alg,auth,dummy;
                var n = markers[i].firstChild;
                var last = markers[i].lastChild;
                while (n != last) {

                        // Can skip to every other, why?
                        n = n.nextSibling;
                        switch ( n.tagName ) {
                            case 'lat': lat = n.firstChild.nodeValue; break;
                            case 'lon': lon = n.firstChild.nodeValue; break;
.................

In the xforms, you could use a hidden input control.

<xforms:group ref="instance('event-text')">
        <xforms:textarea ref="text" id="event-text-ctrl" style="display:  
none" />
</xforms:group>

And again, if the source of your data is in xml (inevitably with  
Orbeon) then
you will need to convert it to a string to give it to the javascript:

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

--Hank



On Dec 10, 2008, at 3:06 AM, Prameela R wrote:
Hank Ratzesberger
NEES@UCSB
Institute for Crustal Studies,
University of California, Santa Barbara
805-893-8042







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