Cairngorm Code

package sample
{
    import com.adobe.cairngorm.observer.Person;

    import flash.events.Event;
    import flash.events.EventDispatcher;

    import mx.collections.IList;

    public class SelectablePM extends EventDispatcher
    {
        private static const ITEM_CHANGE_EVENT:String = "itemChange";

        [Bindable]
        public var people:IList;

        private var _selectableItem:Person;

        [Bindable("itemChange")]
        public function get selectableItem():Person
        {
            return _selectableItem
        }

        private var _selectableIndex:int;

        [Bindable("itemChange")]
        public function get selectableIndex():int
        {
            return _selectableIndex
        }

        public function selectPerson(item:Object):void
        {
            _selectableItem = Person(item);
            _selectableIndex = people.getItemIndex(item);
            dispatchEvent(new Event(ITEM_CHANGE_EVENT));
        }

        public function selectPersonByIndex(index:int):void
        {
            _selectableItem = Person(people.getItemAt(index));
            _selectableIndex = index;
            dispatchEvent(new Event(ITEM_CHANGE_EVENT));
        }
    }
}