Hi Steve,
Wicket serializes requests to pages, so Ajax channels won't help you for
long running processes.
You'll have to upload the file to a resource, so the user can continue
to work on the page. You'll probably need an iframe for that, see:
http://stackoverflow.com/questions/166221/how-can-i-upload-files-asynchronously-with-jquery
Regards
Sven
On 08/28/2013 11:53 PM, Steve Lowery wrote:
I would like to have my file upload requests on my site, which take much
longer than a normal request, go through a different mechanism. I'd like
the user to still be able to click around the site and work while the file
is uploading and then when it finishes, I can pop up an "All Done" type
dialog. AjaxChannel seems to me to be the mechanism to do this, but either
I am doing it wrong or it doesn't work as I'd expect.
My links I'm testing the concept with looks like (I'm using wicket 6.10.0):
add(new AjaxLink<Void>("slow") { @Override public void
onClick(AjaxRequestTarget target) { System.out.println("Slow Link
Clicked...."); try { Thread.sleep(Integer.valueOf("10000")); } catch
(InterruptedException ie) {} target.appendJavaScript("alert('Done with slow
running request');"); System.out.println("Done Processing Slow Link."); }
@Override protected void updateAjaxAttributes(AjaxRequestAttributes
attributes) { super.updateAjaxAttributes(attributes);
attributes.setChannel(new AjaxChannel("upl", AjaxChannel.Type.QUEUE)); }
}); add(new AjaxLink<Void>("fast") { @Override public void
onClick(AjaxRequestTarget target) { System.out.println("Fast Link
Clicked...."); target.appendJavaScript("alert('Done with fast running
request');"); System.out.println("Done Processing Fast Link."); } });
I would expect that if I click Slow, then click Fast that the fast would
return to the user before the slow, but that's not happening.
I can attach a quickstart and create an issue in JIRA if that is the route
to go if I am doing it right. If I'm doing it wrong, can someone let me
know how I can accomplish what I'm looking to do?
Thanks,
Steve
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