MXML States / Data Binding

<?xml version="1.0" encoding="utf-8"?>
<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009"
               xmlns:s="library://ns.adobe.com/flex/spark"
               xmlns:mx="library://ns.adobe.com/flex/mx" minWidth="955" minHeight="600" creationComplete="init(event)">

    <fx:Script>
        <![CDATA[
            //import mx.controls.Alert;
            import mx.events.FlexEvent;

            [Bindable]
            private var labelText:String;

            [Bindable]
            private var myState:String = currentState;

            protected function init(event:FlexEvent):void
            {
                labelText = "HOME";
                currentState = "home";
                myState = currentState;
            }

            protected function ezNav(e:MouseEvent):void
            {
                var nav:String = String(e.target.id);
                currentState = nav;
                myState = currentState;
                labelText = nav.toUpperCase();
                //Alert.show(nav);
            }

        ]]>
    </fx:Script>

    <!-- MXML -->
    <s:states>
        <s:State name="home" />
        <s:State name="about" />
        <s:State name="bio" />
    </s:states>
    <s:Panel title="States of Being">
        <s:VGroup>
            <s:HGroup>
                <s:Button id="home" label="Home" click="ezNav(event)" />
                <s:Button id="about" label="About" click="ezNav(event)" />
                <s:Button id="bio" label="Bio" click="ezNav(event)" />
            </s:HGroup>
            <s:Label text="This is the {labelText} page!  This shows up in all states with just the one word changing." />
            <s:Label includeIn="home" text="This only shows up in the {myState} state!" fontSize="30" />
            <s:Label includeIn="about" text="This only shows up in the {myState} state!" fontSize="30" />
            <s:Label includeIn="bio" text="This only shows up in the {myState} state!" fontSize="30" />
        </s:VGroup>
    </s:Panel>
</s:Application>