On 7/29/06,
Tim Hoff <[EMAIL PROTECTED]> wrote:
Hi Jasom.
I noticed when I tried copying an entire framework class, instead of
just extending, that in addition to version, several other
framework class references where required. I suppose that if you
placed your copy in the same directory as the original, it would
work the same. But, this isn't really practical. I gave up on that
approach and concentrated on subclassing instead.
-TH
--- In [email protected] , "Pan Troglodytes"
<[EMAIL PROTECTED]> wrote:
>
> I'm trying to create my own PopUpButton that will fire an event
BEFORE
> opening the dropdown list (so I can populate it dynamically).
> Unfortunately, everything useful (like openWithEvent) is declare
private and
> not protected. So I thought the most elegant way would be to just
copy the
> PopUpButton.as source and rename it and the class to
PopUpButtonExt. After
> commenting out the version include, I ran into a problem. In
> calcArrowButtonSize(), there is this bit:
>
> var popUpIconClass:Class = Class(getStyle("popUpIcon"));
> popUpIcon = new popUpIconClass();
>
> In my variation, popUpIconClass is always null. The source for
> PopUpButton.as says:
>
> /**
> * The icon used for the right button of PopUpButton.
> * Supported classes are mx.skins.halo.PopUpIcon
> * and mx.skins.halo.PopUpMenuIcon.
> * @default mx.skins.halo.PopUpIcon
> */
> [Style(name="popUpIcon", type="Class", inherit="no")]
>
> I'm trying to understand why it would be ok in the original class
and not in
> the class using the same code. Is there some internal voodoo
going on?
> Suggestions for other ways I should do this are welcome, but not
really the
> main point of my question. I'd really like to understand why this
breaks.
>
> --
> Jason
>
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