MACROMEDIA FLASH COMMUNICATION SERVER MX-SERVER-SIDE COMMUNICATION ACTIONSCRIPT DICTIONARY Dokumentacja Pobierz pdf (Strona 153)

Application Development Tips and Tricks 75

Application object

This section includes recommendations to help you optimize your use of the server-side

Application object, including tips on how and why to set up application.OnConnect and

application.OnDisconnect functions.

Application.onConnect

Setting up methods in

application.onConnect is a good approach when you want to set up

different methods based on user login information. However, if you want to set up a method that

is available to all clients, use the

prototype property of the Client object:

// A user has connected

application.onConnect = function( newClient, userName )

{

if (userName == "admin")

{

newClient.adminFunc= function(param)

{

// some code that’s only useful to the admin

newClient.myAdminProperty = param;

}

} else

{

// code for most cases

}

// Allow the logon

application.acceptConnection( newClient );

}

// this part could be in a separate file

// Every client (including admin) is going to have this function

// (because of the way "prototype" works).

Client.prototype.commonFunction = function (myColor)

{

// some code

// use this to refer to the client instead of newClient

this.color = myColor;

}

Also, if you want to use the call method on the client object that is connecting, make sure you

call

application.acceptConnection and know that the client is connected before issuing any

additional commands:

application.onConnect = function(clientObj,name,passwd)

{

// First accept the connection

application.acceptConnection(clientObj);

// After client is registered with the application instance

// you can use "call" method

clientObj.call("onWelcome", "You are now connected!!!");

return;

// Once you call acceptConnection or

// rejectConnection within onConnect, return value is ignored.

}

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