I think you will need to perform a cast to access the properties of your
AuthenticateEvent instance (this is why you got a compiler error). The
cast is achieved as follows:
var authenticateEvent : AuthenticateEvent = AuthenticateEvent( event );
So your command's execute function will look like this:
public function execute (event : CairngormEvent):void
{
if( !CruiseModelLocator.getInstance().authenticated )
{
var delegate : LoginDelegate = new LoginDelegate( this );
// Do a cast
var authenticateEvent : AuthenticateEvent = AuthenticateEvent( event
);
// Now extract your login details
var loginName = authenticateEvent.loginName;
var password = authenticateEvent.password;
// Pass details to your delegate
delegate.doLogin(loginName, password);
}
else
{
Alert.show( "Logged In already!" );
return;
}
}
I hope this solves your problem, but feel free to post again if you are
unfamiliar with casting and need more explanation.
Paul
-----Original Message-----
From: [email protected] [mailto:[EMAIL PROTECTED] On
Behalf Of laidezmon
Sent: Thursday, September 28, 2006 2:41 PM
To: [email protected]
Subject: [flexcoders] Re: Transferring Data through Cairngorm
methodology
O and one other thing, when I created the authenticate event class, I
created two params
public var loginName : String;
public var password : String;
I dont know if thats important or not.
--- In [email protected], "laidezmon" <[EMAIL PROTECTED]> wrote:
>
> I am trying to implement a simple login application in cairngorm. I am
> having all kinds of problems.
>
> Heres the deal.
>
> Basically I have a button which calls a doLogin() function.
>
> private function doLogin():void
> {
> var event : AuthenticateEvent = new
> AuthenticateEvent(AuthenticateEvent.EVENT_LOGIN);
> event.loginName = loginName.text;
> event.password = password.text;
> CairngormEventDispatcher.getInstance().dispatchEvent( event );
> }
>
> this is called from my mxml display page. loginName and password are
> text fields on my screen.
>
> The controller is loaded from the main.mxml file, and is already
> instantiated, but here is the add command reference for this login
> function.
>
> public function initialiseCommands() : void
> {
> addCommand( AuthenticateEvent.EVENT_LOGIN, LoginCommand );
> }
>
> From there the loginCommand.as is called and runs its execute method:
>
> public function execute (event : CairngormEvent):void
> {
> if( !CruiseModelLocator.getInstance().authenticated )
> {
> var delegate : LoginDelegate = new LoginDelegate( this );
> delegate.doLogin(event.data.loginName, event.data.password);
> }
> else
> {
> Alert.show( "Logged In already!" );
> return;
> }
> }
>
> The delegate is below:
>
> public function LoginDelegate( responder : Responder )
> {
> this.service = ServiceLocator.getInstance().getService( "UserManager"
);
> this.responder = responder;
> }
>
> public function doLogin(loginName:String, password:String) : void
> {
> var call : Object = service.login(loginName,password);
> call.resultHandler = responder.onResult;
> call.faultHandler = responder.onFault;
> }
>
> I must be doing something wrong here. But basically I am getting lost
> trying to pass the values of those two text boxes, and getting them
> all the way through this methodology to the remote object service i am
> going to call. It looks for two parameters, loginName and password,
> and in this test case loginName actually equals the string loginName
> thats the value.
>
> I have traced the debugger and even gone through the cairngorm ASDoc
> stuff, and cannot figure out what I am doing wrong. It mentions the
> data attribute, and when I pass into the execute function on the
> command, event.data or event.data.loginName I dont get a compile time
> error. However nothing is being passed to the service.
>
> When I look at the debugger trace I see that event does have a
> event.data attribute, but its undefined, and also that event has a
> event.loginName, and a event.password. Note this is correct, its not
> event.data.loginName, but rather event.loginName, and the value is
> there from those text boxes.
>
> So it is there, but it dont work. If I pass into the command,
> event.loginName I get a compile time error. However it shows in the
> debugger as being there. I dont get it.
>
> I am a newbie to OOP and flex and java, so this could be a really
> stupid question. Any help would be greatly appreciated.
>
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