On Sat, Apr 26, 2008 at 1:47 AM, Eric Butera <eric.butera@xxxxxxxxx> wrote: > On Fri, Apr 25, 2008 at 1:29 PM, Nick Stinemates <nick@xxxxxxxxxxxxxx> > wrote: > > That is a beatiful example of the observer pattern. > > too bad, i can't find any framework out there using this concept. well, i think have to figure out how it works and code on my own. can anyone kind enough to give me a good reference to read about this?