debugging a problem with an external javascript library that's used in our
project, I'm seeing an onclick handler on a form button being invoked with
scope window.
I wasn't aware that this was legal and cannot see how the library is causing
this, but it did point me to the AjaxFormSubmitBehavior precondition script.
In there, it says on line 182 (wicket-1.4.x):
src/main/java/org/apache/wicket/ajax/form/AjaxFormSubmitBehavior.java
@@ -179,6 +179,6 @@
@Override
protected CharSequence getPreconditionScript()
{
return "return Wicket.$$(this)&&Wicket.$$('" + getForm().getMarkupId() +
"')";
}
}
This appears to be the only place where $$(this) is used. Removing the
check fixes my original problem, but it must be there for a reason. Does
anyone know why?
(it was added at r574685 by Matej Knopp)
I'll continue trying to create a quickstart for the issue, that should help
discussing it ;-)
thanks, Frank
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