Thanks Martin for the super fast reply. I'll try that out.
On Wed, Jan 18, 2017 at 4:54 PM, Martin Grigorov <[email protected]>
wrote:
> var wcall = Wicket.Ajax.get({ u: '${callbackUrl}'});
> should be
> var wcall = Wicket.Ajax.get({ u: window.callbackUrl });
>
> Martin Grigorov
> Wicket Training and Consulting
> https://twitter.com/mtgrigorov
>
> On Wed, Jan 18, 2017 at 9:51 AM, James Selvakumar <[email protected]>
> wrote:
>
> > Dear Wicket team,
> >
> > I need to make a call to a Wicket page from my JavaScript function.
> > I followed the guide Calling Wicket from Javascript
> > <https://cwiki.apache.org/confluence/display/WICKET/
> > Calling+Wicket+from+Javascript>
> > and managed to define an ajax behavior to respond to the JavaScript call.
> >
> > My ajax behavior looks like this:
> >
> > > private final AbstractDefaultAjaxBehavior behave = new
> > AbstractDefaultAjaxBehavior()
> > > {
> > > protected void respond(final AjaxRequestTarget target)
> > > {
> > > LOGGER.debug("Received a request from client to get the
> > encryption key");
> > > target.add(new Label("foo", "Yeah I was just called from
> > Javascript!"));
> > > }
> > >
> > > public void renderHead(Component component, IHeaderResponse
> response)
> > > {
> > > super.renderHead(component, response);
> > > String callbackUrl = getCallbackUrl().toString();
> > > response.render(JavaScriptHeaderItem.forScript("var
> > callbackUrl='" + callbackUrl + "';", "values"));
> > > }
> > > };
> > >
> > > This callback url got rendered in the page like this:
> >
> > <script id="values" type="text/javascript">
> > > /*<![CDATA[*/
> > > var callbackUrl='./wicket/page?0-1.IBehaviorListener.0-';
> > > /*]]>*/
> > > </script>
> > >
> >
> >
> > And here is my JavaScript code:
> >
> > > var wcall = Wicket.Ajax.get({ u: '${callbackUrl}'});
> > > alert(wcall);
> > >
> > > But I'm getting the following error in the Wicket Ajax Debug Window:
> >
> > *An error occurred while executing Ajax request:TypeError: a is
> undefined*
> > >
> >
> > Can someone point out what's the mistake here?
> >
> > --
> > Thanks & regards
> > James
> >
>
--
Thanks & regards
James Selvakumar
