Spark List in Actionscript: Passing Layout & itemRenderer in constructor

Question

I am trying to create a generic List, where I can pass the layout & item renderer as parameters.
Since it is not possible to pass parameters to a MXML component, I figured I should create my List in Actionscript.
I figured it would go something like this:
public class GenericList extends List {
   public function GenericList(iR:ItemRenderer, ac:ArrayCollection, layout:LayoutBase) {
     super();
     this.dataProvider = ac;
     this.layout =  ...     // don't even have access to this.layout
     this.itemRenderer = iR // Cannot pass itemRender
I would prefer to have the List in MXML (because It will be easier using states later), but If I am forced to use pure Actionscript so I can instantiate it and pass in parameters, any help would go a long way.

Answer 1

hi
cant you do this to pass in parameters?
<mx:List dataProvider="{myDP}" layout="{myL}" itemRenderer="{myIR}" .. />
[Bindable]
var myDP:ArrayCollection;
[Bindable]
var myL:LayoutBase;
[Bindable]
var myIR:IFactory;
function setList(iR:IFactory, ac:ArrayCollection, layout:LayoutBase):void
     myIR = iR;
     myDP = ac;
     myL = layout;
(spark list expects itemRenderer to be an IFactory instance)