ActionScript 3.0 :: Architecture Duplicate Functionality For Multiple Uninherited Classes?
Jun 8, 2011
I want to add some common functionality to a number of display object classes: Sprite, MovieClip, TextField, TLFTextField, Bitmap, Loader, SimpleButton, and possibly more.I can easily extend any one of those and add my code, but I would need to duplicate the same code across a bunch of classes, ie SuperSprite, SuperMovieClip, SuperTextField, etc.
So the options I've thought of: 1. Use includes, so each class extends whatever and simply includes the class code. I haven't tried this so I'm not sure you can even use includes like that, and I'm not sure how it might affect (break) code hinting.
2. Create a new class that takes a target reference and essentially wraps functionality on to any eligible target instance. I'm not crazy about this because it means the instance I'm dealing with isn't the actual display object (ie its some wrapper that references the display object.)
3. Create a core class that takes a target display object and encapsulates all the functionality, then create separate classes each that extend the various display objects and contain an instance of that core class with itself as the target. I think I like this idea but am sure I would come back later and be confused with the structure.
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The examples I'll use don't do anything - they're classes without ANY members - no variables, methods, anything.
Let's say I extends Sprite and call it MySprite.
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[code]...
Now I create another custom class called MyWindow that extends MySprite.
I save it in test.windows
[code]...
Then I create another class that extends MyWindows (the example I'll use is a document class - but that doesn't matter - I've tested using an instance too).
[code]...
Notice that I'm not even trying to instantiate the helper classes - just having them there throws the error.
If there is only a single helper class, everything runs fine.
Also note that - as far as I can tell - this only happens when extending one class from another package, then extending that class with more than one helper object.I'm pretty sure there's no namespace bumps or typographical errors, as this is a very pared-down version of the original application.
EDIT: seems the problem exists even without the crossing packages - even extending MySprite in the document class with multiple internal classes generates this error.
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