import mx.events.EventDispatcher;

import mx.utils.Delegate;

 

class Emailer {

 

    // required for EventDispatcher:

    public var addEventListener:Function;

    public var removeEventListener:Function;

    private var dispatchEvent:Function;

 

    // use to communicate with php script

    private var _lv:LoadVars;

    // holds address of sender

    private var _sentFrom:String;

 

    // constructor

    public function Emailer() {    

        EventDispatcher.initialize(this);

        _lv = new LoadVars();

    }

 

    //

    private function dataReceived(dataxfer_ok:Boolean):Void {

        // if some problem with loadVars transfer, pass back error=2

        if (!dataxfer_ok) dispatchEvent({target:this, type:'mailSent', errorFlag:2});

        // otherwise pass back error code returned from script

        else dispatchEvent({target:this, type:'mailSent', errorFlag:Number(_lv["faultCode"])});

    }

 

     // Use loadvars object to send data (set to call dataReceived when script returns data)

    public function sendEmail(sub:String, fn:String, fe:String, msg:String, rep:String):Void {

        // if user already sent from this address, show error msg

        if (_sentFrom == fe) dataReceived(false);

        // otherwise set up and send

        else {

            _sentFrom = fe;

            // specify function to handle results, make scope = Emailer

            _lv.onLoad = Delegate.create(this, dataReceived);

            // set up properties of lv to items to be POSTed

            _lv.subject = sub;

            _lv.name = fn;

            _lv.email = fe;

            _lv.message = msg;

            _lv.reply = rep;

            // call script

            _lv.sendAndLoad("sendemail.php", _lv, "POST");

        }

    }

}