Re: Bogus behavior of window listeners
Patricia Shanahan wrote:
Thomas Hawtin wrote:
Twisted wrote:
In a part of the original posting that you conveniently snipped, I
explicitly stated that it is the only listener. I create the frame and
It's the only listener you add. It's not necessarily the only
listener. PL&F add listeners. Components add listeners to models. Lots
of listeners are about that you never knew about.
However, presumably Twisted only cares about the explicitly created
listeners. Presumably, they will belong to user program classes,
including anonymous inner classes in the user program, not PL&F
implementation classes.
I'm going to take that back. I just took another look at the base
message of this thread:
"if (frame.getWindowListeners().length > 0)
frame.removeWindowListener(frame.getWindowListeners()[0]);"
This code could be a really bad idea if there is ever a library
implementation listener attached to frame. Suppose the first element of
the array is a library listener, and the second is Twisted's. The
library listener gets removed, and Twisted's listener stays, as another
one is added.
I've never tried to remove an arbitrary listener, only ones I added, so
I have no practical experience of the effects of doing this.
Patricia
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