Hello
I have a resourcelink where I need to add an ajaxcallback to recalculate and
update the current panel.
I added an AbstractDefaultAjaxBehavior to that link with the callback, but the
respond method was never invoked.
In the wicket ajax debug i saw the following input:
*INFO: *Using XMLHttpRequest transport
*INFO: *
*INFO: *Initiating Ajax GET request on
?wicket:interface=:0:middle:link::IActivePageBehaviorListener:0:&wicket:ignoreIfNotActive=true&foo=bar&random=0.6376184095942993
*INFO: *Invoking pre-call handler(s)...
*INFO: *Received ajax response (0 characters)
*INFO: *
*ERROR: *Wicket.Ajax.Call.failure: Error while parsing response: Could not find root
<ajax-response> element
*INFO: *Invoking post-call handler(s)...
*INFO: *Invoking failure handler(s)...
behavior:
final AbstractDefaultAjaxBehavior behave =new AbstractDefaultAjaxBehavior()
{
@Override
protected void respond(AjaxRequestTarget arg0)
{
log.debug("respond called");
repaint();
arg0.addComponent(self);
}
@Override
protected void onComponentTag(ComponentTag tag)
{
super.onComponentTag(tag);
log.debug("on componenttag called");
String javascript = "wicketAjaxGet('" + getCallbackUrl()
+ "&foo=bar', function() { }, function() { });";
tag.put("onClick", javascript);
}
};
resourcelink:
add(link = new ResourceLink<Void>("link", new DynamicWebResource()
{
@Override
protected void setHeaders(WebResponse response)
{
super.setHeaders(response);
response.setAttachmentHeader("auszug.zip");
}
@Override
protected ResourceState getResourceState()
{
return new ResourceState()
{
byte[] data;
@Override
public byte[] getData()
{
if (data == null)
{
try
{
data = builderservice.getDataAsZip(rawdata);
log.debug("length of data: "+data.length);
} catch (SystemException e)
{
log.fatal("systemexception occured", e);
}
}
return data;
}
@Override
public String getContentType()
{
return "application/zip";
}
};
}
})
);
link.add(new Label("label", new
ResourceModel("middle.mailbox.download.all")));
link.add(behave);
html (as it appears in the browser):
</form>
<a id="link5e" href="?wicket:interface=:0:middle:link::IResourceListener::
<view-source:http://localhost:8080/postfach/?wicket:interface=:0:middle:link::IResourceListener::>"
onclick="wicketAjaxGet('?wicket:interface=:0:middle:link::IActivePageBehaviorListener:0:&wicket:ignoreIfNotActive=true', function() {
}, function() { });"><span>Alle Dokumente herunterladen</span></a>
</div></td>
<td></td></tr>
</table>
</td></tr></table></td><td> </td></tr></table>
</body>
</html>
Any ideas to how to solve this problem?
greetings
thierry
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