David - here is a class I wrote which I use all the time for working
with XML. It's a slightly different approach I prefer, where the class
listens for the load to complete, and then creates a public XML property
of the data you can get once the load is done. Here is the class and
the associated custom event:
package utils
{
import events.XMLFileLoaderEvent;
import flash.events.Event;
import flash.events.EventDispatcher;
import flash.net.URLLoader;
import flash.net.URLRequest;
/**
* ...
* @author Jason Merrill - Bank of America
*/
public class XMLFileLoader extends EventDispatcher
{
public var xml:XML;
private var _xmlURL:String;
private var _urlLoader:URLLoader;
public function XMLFileLoader(xmlURL:String)
{
_xmlURL = xmlURL;
_urlLoader = new URLLoader(new
URLRequest(_xmlURL));
_urlLoader.addEventListener(Event.COMPLETE,
onXMLLoaded);
}
private function onXMLLoaded(event:Event):void
{
xml = new XML(event.target.data);
dispatchEvent(new
XMLFileLoaderEvent(XMLFileLoaderEvent.LOAD_COMPLETE));
}
}
}
//Custom event
package events
{
/**
* ...
* @author Jason Merrill - Bank of America
*/
import flash.events.Event;
public class XMLFileLoaderEvent extends Event
{
public static var LOAD_COMPLETE:String = "my_event";
public function XMLFileLoaderEvent (type:String,
bubbles:Boolean=false, cancelable:Boolean=false)
{
super(type, bubbles, cancelable);
}
public override function clone():Event
{
return new XMLFileLoaderEvent(type, bubbles,
cancelable);
}
public override function toString():String
{
return formatToString("XMLFileLoaderEvent",
"type", "bubbles", "cancelable", "eventPhase");
}
}
}
Jason Merrill
Bank of America Global Learning
Learning & Performance Soluions
Join the Bank of America Flash Platform Community and visit our
Instructional Technology Design Blog
(note: these are for Bank of America employees only)
-----Original Message-----
From: flashcoders-boun...@chattyfig.figleaf.com
[mailto:flashcoders-boun...@chattyfig.figleaf.com] On Behalf Of David
Hunter
Sent: Thursday, November 19, 2009 11:51 AM
To: flashcoders@chattyfig.figleaf.com
Subject: RE: [Flashcoders] OOP and XML
thanks greg, and nice to know that either way is ok. don't want to start
down bad habits already!
i've got it working now with a custom event and a little extra help from
this as well:
http://www.learningactionscript3.com/2008/11/11/passing-arguments-with-e
vents/
cheers.
> Date: Thu, 19 Nov 2009 10:53:18 -0500
> Subject: Re: [Flashcoders] OOP and XML
> From: breakfastcof...@gmail.com
> To: flashcoders@chattyfig.figleaf.com
>
> either way works... its a 6 of one half a dozen of another type
situation
>
> so you could say
>
> dispatchEvent(Event.COMPLETE) from your XMLLoader class and put
the data
> into a public var that your class listening can access.
>
> Or you could make a custom event like this
>
> dispatchEvent(new XMLEvent(XMLEvent.DATA_LOADED, loader.data));
>
> where you send in the data into a custom event u make
>
> hope this makes sense
>
> greg
>
> On Thu, Nov 19, 2009 at 10:38 AM, David Hunter
<davehunte...@hotmail.com>wrote:
>
> >
> > thanks Henrik,
> > are you saying that i need to create a custom event class and
dispatch an
> > event from that class? otherwise how else could i attach the data to
a
> > dispatched event?
> > or do you mean to dispatch an existing event type so when fired the
> > DocumentClass will go into the XMLLoaderClass and grab a public var
> > containing the data?
> > i have never dispatched events before, so i guess i'll have to look
into
> > it.
> > i have posted my two classes on pastebin to look at:
> > http://pastebin.com/m4ba8e745
> > cheers
> > > Date: Thu, 19 Nov 2009 13:58:45 +0100
> > > From: he...@henke37.cjb.net
> > > To: flashcoders@chattyfig.figleaf.com
> > > Subject: Re: [Flashcoders] OOP and XML
> > >
> > > Dispatch an event when the data is ready and have the main code
listen
> > > for the event.
> > > _______________________________________________
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> >
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