Yeah, I had thought about something using composition. But somewhere I had
read that the Decorator was what I needed :(
I'll do it as you mentioned, but I would still love to hear about the
Concrete class that you mention :)
Thanks Michael!
On 9/12/07, Michael Schmalle <[EMAIL PROTECTED]> wrote:
>
> Oh yeah
>
> <JuiceMaker id="myJuiceMaker" decorator="{JuiceMaster}" click="
> myJuiceMaker.makeJuice('orange')" />
>
> is supposed to be;
>
> <JuiceMaker id="myJuiceMaker" makerClass="{JuiceMaster}" click="
> myJuiceMaker.makeJuice('orange')" />
>
>
> On 9/12/07, Michael Schmalle <[EMAIL PROTECTED]> wrote:
> >
> > Hi,
> >
> > You can't decorate a UIComponent since it is a DisplayObject and needs
> > to be added to the display list.
> >
> > You have to either us composition or subclass Button and use an
> > interface and pass the class to decorate the Button with.
> >
> > <JuiceMaker id="myJuiceMaker" decorator="{JuiceMaster}" click="
> > myJuiceMaker.makeJuice('orange')" />
> >
> >
> > class JuiceMaster
> > implemented IJuiceMaker
> > {
> > public function makeJuice(type:String):void
> > {
> > trace("Happily making", type, "juice!", "Tralalala!");
> > }
> > }
> >
> > public class JuiceMaker
> > extends Button
> > implemented IJuiceMaker
> > {
> >
> > private var _makerClass:Class;
> > private var makerImpl:IJuiceMaster;
> >
> > public function set makerClass(value:Class):void
> > {
> > _makerClass = value;
> > makerImpl = new _makerClass();
> > }
> >
> > public function set makerClass():Class
> > {
> > return makerImpl;
> > }
> >
> > public function JuiceMaker()
> > {
> > super();
> > }
> >
> > public function makeJuice(type:String):void
> > {
> > if (makerImpl is IJuiceMaker)
> > makerImpl.makeJuice(type);
> > }
> > }
> >
> >
> > public interface IJuiceMaker
> > {
> > function makeJuice(type:String):void;
> > }
> >
> >
> > The above is something that would help what you are trying to achieve
> > with display object.
> >
> > You could also drop the interfaces and use concrete types but hey, if
> > your asking about decorators, your asking about design patterns. ;-)
> >
> > Peace, Mike
> >
> > On 9/12/07, Claudia Barnal < [EMAIL PROTECTED]> wrote:
> > >
> > > I believe I might be missing something with the Decorator Pattern.
> > > I've tried to get a simple example to work, but I get too mixed up
> > > with all the abstracts and what not.
> > >
> > > Here's what I'm trying to do:
> > >
> > > Extend a Button and add some functionality to it gotten from another
> > > class (non visual). From what I can understand, this is what the
> > > Decorator Pattern is for.
> > >
> > > In pseudo code this is the basic functionality I want:
> > >
> > > class JuiceMaster
> > > {
> > > public function makeJuice(type:String):void
> > > {
> > > trace("Happily making", type, "juice!", "Tralalala!");
> > > }
> > > }
> > >
> > > class JuiceMaker extends Button
> > > {
> > > public function JuiceMaker()
> > > {
> > > Super();
> > > makeJuice("apple");
> > > }
> > > }
> > >
> > > And in MXML, I should be able to do something like this:
> > >
> > > <JuiceMaker id="myJuiceMaker" click="myJuiceMaker.makeJuice('orange')"
> > > />
> > >
> > > Of course this example isn't going into any detail, and doesn't make
> > > much sense, but this is somewhat my need.
> > >
> > > Any explicit explanation on how to get something like this to work
> > > with the Decorator Pattern is greatly appreciated.
> > >
> > > Thanks!
> > >
> >
> >
> >
> > --
> > Teoti Graphix
> > http://www.teotigraphix.com
> >
> > Blog - Flex2Components
> > http://www.flex2components.com
> >
> > You can find more by solving the problem then by 'asking the question'.
>
>
>
>
> --
> Teoti Graphix
> http://www.teotigraphix.com
>
> Blog - Flex2Components
> http://www.flex2components.com
>
> You can find more by solving the problem then by 'asking the question'.
>
>
>
