 | | | Event Dispatcher between classes | Event Dispatcher between classes 2004-03-15 - By Jens L?ffler
Back
Yes, I think that's within my framework. But I haven't figured out how to
connect two classes using the event modell.
This is my example:
How can I make it work?
Sender:
import mx.events.EventDispatcher;
class focuscast.core.Databaseproxy {
public function Databaseproxy() {
EventDispatcher.initialize(this);
}
public function loadClients():Array {
var clientarray:Array = new Array();
clientdata = new LoadVars();
clientdata.load("http://internal/database.php?action=loadClients");
clientdata.onLoad = clientdata_loaded;
return clientarray;
}
public function clientdata_loaded() {
trace("dispatching");
var responseobj:Object = {};
responseobj.type="onUpdateClient";
responseobj.target=this;
responseobj.data=clientarray;
dispatchEvent(responseobj);
}
}
Receiver:
class focuscast.core.Datahandler extends MovieClip {
public var databaseproxy;
function Datahandler() {
databaseproxy = new Databaseproxy();
databaseproxy.addEventListener("onUpdateClient", this);
}
function onUpdateClient() {
trace("received");
}
}
>From: "Erik Bianchi" <erikbianchi@(protected)>
>Reply-To: flashcoders@(protected)
>To: <flashcoders@(protected)>
>Subject: Re: [Flashcoders] Event Dispatcher between classes
>Date: Mon, 15 Mar 2004 16:18:19 -0500
>
>Take a look at using the MVP design pattern. Sounds like you just need to
>work on your architecture a bit and this pattern will help resolve this for
>you.
>
>Basically a Presenter would be responsible for initializing your
>components/classes and hooking them together. When using MVP that
>relationship would be hooking the model and view together. The Model being
>the broadcaster(subject) and the view listening to the broadcast(observer).
>
>hope that helps.
>
>-erik
>-- -- Original Message -- --
>From: "Jens L?ffler" <jensloeffler@(protected)>
>To: <flashcoders@(protected)>
>Sent: Monday, March 15, 2004 4:01 PM
>Subject: [Flashcoders] Event Dispatcher between classes
>
>
> > Hi,
> >
> > does anyone know what's the best way to use the Event Dispatcher between
>two
> > classes to send messages? I've initalized the sending class in the
> > constructor with eventdispacher, and extended the listening class to a
> > movieclip, so a public function can be used to receive the message, but
>it's
> > doesn't really work. Is there any standard way? (I don't want to use
>code
> > outside the classes)
> >
> > Jens
> >
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