On Wednesday, July 10, 2013 6:55:18 AM UTC+2, Prabhu wrote:
>
> public static native void exportMyFunction(Gwtgooglechartsexample x)
> /*-{
> $wnd.callPopup
> =$entry([email protected]::callPopup()());
> }-*/;
>
This code is not doing what you thing it does: x.@…::callPopup()() calls
the method, then $entry() will wrap the returned value ('undefined' in this
case, as the method's return type is 'void') into a function which is
finally assigned to $wnd.callPopup. (note that the function returned by
$entry will throw because it'll try to call apply() on 'undefined').
You'll want to do:
$wnd.callPopup = $entry(function() {
[email protected]::callPopup()();
});
I.e. wrap a function that will call callPopup().
If callPopup were a static method, you could also do:
$wnd.callPopup =
$entry(@com.sample.client.Gwtgooglechartsexample::callPopup());
(note the single pair of parens: we get the reference of the method, which
is a JS function, and wrap it in $entry; this doesn't work for non-static
method because the method reference is not bound to the object, so the
'this' would be $wnd, not 'x')
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