You need to inject data from parents into children. If children need
to send data up the chain to parents, use a event. Thus, in the below
add a public variable client and set this upon creation like this
<comp:MyPanel client="{_client}" ......
note its odd to name a publicly available variable with a _
DK
On Sat, Jul 12, 2008 at 2:46 PM, Dan Vega <[EMAIL PROTECTED]> wrote:
> I built a small app that has 4 screens and everything is working great. I
> want to learn more about breaking up the views into different components
> before I move on to mvc in Flex. My question is lets say I have my main
> application and then each of my screens are views. In my main application I
> have a public variable called _client. On the first view I am trying to
> access that object and the compiler is telling me it is undefined. In my
> code you will the line _client = selected.
>
> My question is how does the component know about the data declared in the
> main application ?
>
> <?xml version="1.0" encoding="utf-8"?>
> <mx:Panel xmlns:mx="http://www.adobe.com/2006/mxml";
> width="100%" height="100%" layout="vertical"
> title="Rogers Image Uploader - Start"
> backgroundColor="#000"
> creationComplete="init()">
>
> <mx:Script>
> <![CDATA[
> import mx.events.ListEvent;
>
> private function init():void {
> // disable the next button until a client is selcted
> btnNextStart.enabled = false;
> // listen for changes on the client grid
> dgClients.addEventListener(ListEvent.CHANGE,onSelectClient);
> }
>
> private function onSelectClient(event:ListEvent):void {
> var selected:Object = event.itemRenderer.data;
> _client = selected;
> btnNextStart.enabled = true;
> }
> ]]>
> </mx:Script>
>
> <mx:DataGrid id="dgClients" dataProvider="{_clients}" width="100%"
> height="100%">
> <mx:columns>
> <mx:DataGridColumn headerText="" labelFunction="rowNumber"
> width="40"/>
> <mx:DataGridColumn headerText="Client" dataField="client_name"
> width="250"/>
> <mx:DataGridColumn headerText="City" dataField="city"/>
> <mx:DataGridColumn headerText="State" dataField="state"/>
> <mx:DataGridColumn headerText="Zip" dataField="zip"/>
> <mx:DataGridColumn headerText="Phone" dataField="phone"/>
> <mx:DataGridColumn headerText="Status" dataField="status"
> labelFunction="statusRenderer"/>
> </mx:columns>
> </mx:DataGrid>
>
> <mx:ControlBar>
> <mx:Button label="Previous" enabled="false"/>
> <mx:Spacer width="100%"/>
> <mx:Label text="Select a client and click next." color="#ffffff"/>
> <mx:Spacer width="100%"/>
> <mx:Button id="btnNextStart" label="Next"
> click="{this.currentState='uploader'}"/>
> </mx:ControlBar>
> </mx:Panel>
>
> Thank You
> Dan Vega
> [EMAIL PROTECTED]
> http://www.danvega.org
>
>
--
Douglas Knudsen
http://www.cubicleman.com
this is my signature, like it?
