onRollOver = onRollOut equivalent

Question

I'm looking to condense some code on a photo gallery I'm
working on where I disable the next or previous buttons if there
isn't a next or previous image to present. I wanted to break away
from the standard multiple line approach...

nextBTN_mc.onRollOver = function() {
 this.gotoAndStop(1);
}
nextBTN_mc.onRollOut = function() {
 this.gotoAndStop(1);
}
nextBTN_mc.onRelease = function() {
 this.gotoAndStop(1);
}

or

nextBTN_mc.onRollOver = function() {
 this.gotoAndStop(1);
}
nextBTN_mc.onRollOut = nextBTN_mc.onRollOver;
nextBTN_mc.onRelease = nextBTN_mc.onRollOver;

Once upon a time (and I'm not sure where), I saw someone post
a one line solution to this. Something like (but not):

nextBTN_mc.onRollOver([{'onRollOut', 'onRelease'}]) =
function() {
 this.gotoAndStop(1);
}

The syntax on the above is of course wrong but the solution I
saw once was similar to this. The "([{'onRollOut', 'onRelease'}])"
(or similar) may have been after the function parameters and there
is probably an operator that I'm forgetting/missing. I've played
around with it and searched the net but can't seem to get it to
work or find it.

Anyways, if anyone out there knows the solution, I'd really
appreciate a response. It was a very clever, clean and condensed
solution and I'd love to find it again.

Take care,
sej

enginpost · Answer

I would probably put it all in a function so you can break it out or make the solution more complex later. Something like:

function defaultOnClick(){
//instructions here
}

buttonA_btn.onClick = defaultOnClick();
buttonB_btn.onClick = defaultOnClick();
buttonC_btn.onClick = defaultOnClick();

i realize it doesn't solve your problem, but I think you are potentially creating more problems later with practices like that.

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