Incidentally, when I woke up this morning, I was thinking about this
exact same problem :)
In the case of an Ajax button, the request is from an XmlHttpRequest
javascript (browser) object. I'm not sure if that even supports binary
results (mime types other than text/xml and text/plain), but if it does
you'd have to do something on the client side to show a download dialog
or something.
A direction to a possible solution would be to respond with some kind of
redirect to the URL of the binary (RequestCycle.urlFor(..)). Now your
only problem is how to send a redirect over the XmlHttpRequest. Your
best bet would be to send a little bit of javascript (window.location =
"[url]"), or maybe there is a component for this already.
Good luck!
Matthijs
Martin Bednář wrote:
Hi,
I have problem when I use IndicatingAjaxSubmitButton for dowload after
form submission.
I use this code, normal Button working correctly. it's bug in
IndicatingAjaxSubmitButton or I'm doing something wrong ?
...
//This dosn't work
form.add(new IndicatingAjaxSubmitButton("submit", form) {
@Override
protected void onSubmit(AjaxRequestTarget target, Form
form) {
processSubmit(); }
});
//This working
form.add(new Button("submit") {
@Override
protected void onSubmit() {
processSubmit();
}
});
private void processSubmit() {
final String zipArchiveFilename = "/tmp/sample.zip";
RequestCycle requestCycle = this.getRequestCycle();
final ResourceStreamRequestTarget exportTarget = new
ResourceStreamRequestTarget(
new FileResourceStream(new wicket.util.file.File(
zipArchiveFilename)), "application/zip") {
@Override
protected void configure(Response arg0, IResourceStream arg1) {
super.configure(arg0, arg1);
WebResponse response = (WebResponse) arg0;
setFileName("sample.zip");
}
};
requestCycle.setRequestTarget(exportTarget);
}
--
Matthijs Wensveen
Func. Internet Integration
W http://www.func.nl
T +31 20 4230000
F +31 20 4223500
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