 | | | where to set default values in a AS2 class | where to set default values in a AS2 class 2004-02-11 - By Andreas Weber
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I love default values - those little helpers which are just there, even if
you haven't sent in anything (would be lovely if bank accounts would work
this way...).
But where should they be set in a custom AS2 class?
Here's an example, with too different ways to set the (imaginary) width and
height property of the instance:
class Test{
private var __width:Number = 50;
private var __height:Number;
function Test(){
init();
}
private function init(){
height = 100;
}
function set width(width:Number):Void{
__width = width;
}
function get width():Number{
return __width;
}
function set height(height:Number):Void{
__height = height;
}
function get height():Number{
return __height;
}
}
// in the .fla file:
var myTest:Test = new Test();
trace(myTest.width);// Output: 50
trace(myTest.height);// Output: 100
__width is set when the var is initialized and typed.
__height is set through the constructor/init method, calling the setter
method.
Another possibility maybe: making the default values static (class members
vs. instance members)?
Best practice? Pros and cons?
TIA!
(I guess the answer could serve as a sample chapter for the books Jesse and
Darron should write...)
-- ---- ------
Andreas Weber
motiondraw.com
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