How To Make SuperClass Available In Flex And Flash

Feb 4, 2011

I am working on a project that is utilizing Flash Professional and Flash Builder. The art team creates assets in Flash Pro and publishes the project as a SWC. I then copy the SWC into my Flash Builder project's lib directory and access the assets through that. The art team is creating a lot of the same type of thing; let's say they're making lots of lizard symbols/components. All of these lizards have similar animations (walk_left, walk_right, etc.) and because of this they all have constants defined in ActionScript (WALK_RIGHT_START, WALK_RIGHT_END, etc.) relating to the keyframes in their animations.

From the Flex side of things, whichever Lizard I load, I want to be able to tell it to walk left. So I created a superclass in Flash Professional and now all of the AS classes for the lizards in Flash Professional extend this class - Lizard.as This is all fine and good, but when I want to add more complexities to my lizards, I don't want to have to open up the Flash Pro project, edit the class, recompile the SWC, send it back to Flex, and then test it out. I want to be able to have my Lizard superclass available for editing in Flex - so I made another superclass in Flex: Lizard.mxml

In Flex, each lizard component (like Gecko.mxml) currently extends Lizard.mxml, and each contains an AS component defined in the SWC (Gecko.as in this case). This seems pretty convoluted: An mxml component extending an mxml superclass, containing an AS component which extends an AS superclass. What I'd like to do is define one superclass in the Flex project, have my Flash Pro defined components extend this class (which is the part I believe to impossible), and then have my Flex Components (Gecko.mxml) extend those.

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