T4: LinkSubmit not working in IFRAME'd app caused by unavailable tapestry.form javascript

[Marnix Bindels <ma...@chess.nl>]

Dear All,

I developed my tapestry 4.1.2 app top level in my browser. However, it 
is meant to run inside an IFRAME of some other application beyond my 
control.

I used LinkSubmit on some forms and they worked great, calling the 
JavaScript function tapestry.form.submit(), at toplevel in my browser. 
But when framed in that IFRAME, nothing happens as the package and hence 
function is not available.

The pageload yields an exception:

Error: [Exception... "'Permission denied to get property 
HTMLDocument._parentWindow' when calling method: 
[nsIDOMEventListener::handleEvent]"  nsresult: "0x8057001e 
(NS_ERROR_XPC_JS_THREW_STRING)"  location: "<unknown>"  data: no]

and clicking the link yields "Tapestryform. has no properties.

People in my team tell me, it is because of 'cross site scripting' not 
being allowed. Is there a way around this limitation? Or some other way 
to get ImageSubmit and LinkSubmit like behaviour?

I tried fiddling with renderBaseTag in the @Shell. Browsing the Dojo 
site for a solution, but I wouldn't even know how to bring in a newer 
dojo version as 0.4.3. in seems to be packaged beyond mvn control.

tapestry/core.js seems to have been loaded fine, can I somehow force 
form.js to be loaded directly instead of by dojo?

Kind regards,
  Marnix

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