So I'm gradually getting my head around lift, in particular the comet
support. I'm currently trying to understand how the Chat example's
AskName functionality works. I believe that I've uncovered a bug, but
I'm not sure why it doesn't work or how to fix it.
The Chat class's localSetup method is clearly trying to ensure that
the name entered is at least 3 characters long:
override def localSetup {
if (userName.length == 0) {
ask(new AskName, "what's your username") {
case s: String if (s.trim.length > 2) => userName = s.trim;
reRender(true)
case s => localSetup; reRender(false)
}
}
}
But this doesn't seem to work. If you enter a name longer than 2
characters everything works just fine. If, on the other hand, you
enter a shorter one it doesn't let you proceed (which is good), but if
you subsequently enter a longer name, it still doesn't let you
proceed.
I'm pretty sure that this isn't some artifact of my local installation
as I see the same behavior here:
http://demo.liftweb.net/chat
I can see what the code is trying to achieve. Why isn't it working?
Thanks in advance!
Paul.
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