I'm not sure if this is directly related, but it might be. I had some weird
issues with unexpected wikifrobbing (basically acting as if the {pre} wasn't
there) of my json data that happened to contain HTML strings:
http://nielsmayer.com/xwiki/bin/view/Timeline/YTTL-Mock-JSON?xpage=plain
that required me to do some oddball things in the code to prevent said
wikifrobbing:
http://nielsmayer.com/xwiki/bin/view/Timeline/YTTL-Mock-JSON?viewer=code
I got sick of messing with JSON and now i just create the objects in
javascript directly, which is the way it needed to be done in the first
place for efficiency-sake.
It's possible something unexpected and similar is happening with your json
data. It might be a good idea to look at the JSON request/response in
firebug and see if your data is as expected.
Niels
http://nielsmayer.com
PS: Rhodopsins <http://en.wikipedia.org/wiki/Rhodopsin> are cool. :-)
On Wed, Mar 11, 2009 at 8:35 AM, Dan Svoboda <dsvob...@structbio.pitt.edu>wrote:
> I'm implementing some Ajax to change page content using a web service,
> and I'm stumped.
>
> Here's the web service code:
>
> <%
> response.setContentType("application/x-json")
>
> def success = "Successful Ajax Web Service call!"
> %>
> {
> "rdoc": "<%=success%>"
> }
>
> Here's the javascript Ajax call:
>
> <!-- AJAX Web Service Call -->
> <script type="text/javascript">
> function getRenderedDoc() {
> window.alert("Function Called");
> new Ajax.Request(
> // Here we make the asynchronous call to our previously
> created web service.
> // Note that we are using the XWiki API from velocity to
> compute the exact URL we want to hit.
> // This is possible since the entire page will be evaluated
> by the velocity engine before being sent to
> // the client from which this javascript function will be
> executed.
> // We precise the number of entries we want to retrieve using
> the limit parameter. The second parameter,
> // "xpage=plain" is mandatory, this force XWiki to render the
> called document with the "plain.vm" velocity
> // template, thus not returning the whole skin. If we forget
> this parameter, we will not receive a valid JSON
> // and our client will not work.
> "/1.8/bin/view/Main/WebService?xpage=plain",
> {
> method: 'get',
> onSuccess: function(transport) {
> // first, we evaluate the JSON result to make it
> manipulable as javascript objects
> var res = eval( '(' + transport.responseText + ')' );
>
> var rendcontent = res.rdoc;
> var rdiv = document.getElementById("div_Space_Rhodopsin");
> while( rdiv.childNodes.length >= 1 ) {
> rdiv.removeChild( rdiv.firstChild );
> }
>
> var pTag = document.createElement("p");
> pTag.innerHTML = rendcontent;
> rdiv.appendChild(pTag);
> }
> } );
> }
> </script>
> I call the function from an anchor tag: <a
> href="javascript:getRenderedDoc()">Test Ajax</a>
>
> The alert is displayed, but I'm not seeing any update on my page. All
> of the DOM manipulations have been independently verified with text
> literals outside of the Ajax.Request.
>
> Thanks.
>
> Dan Svoboda
>
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