import flash.display.MovieClip;
import flash.utils.Timer;
import flash.events.TimerEvent;
import flash.events.MouseEvent;
import flash.ui.Mouse;

public class timerClass extends MovieClip {
    var myTimer:Timer = new Timer(1000, 300);
    var i:Number = 300;
public function timerClass() {
        // constructor code
        timerTxt.text = String("05:00");
        myTimer.addEventListener(TimerEvent.TIMER, updateTime);
        myTimer.addEventListener(TimerEvent.TIMER_COMPLETE, TimerComplete);
        startbutton.addEventListener(MouseEvent.CLICK, StartNow);
        pausebutton.addEventListener(MouseEvent.CLICK, PauseNow);
        restartbutton.addEventListener(MouseEvent.CLICK, restartNow);
        }
    private function updateTime(e:TimerEvent){
        i--;
        var totalSeconds:* = i;
        var minutes:* = Math.floor(totalSeconds/60);
        var seconds:* = totalSeconds % 60;
        if(String(minutes).length < 2)
            minutes = "0" + minutes;
            if(String(seconds).length < 2)
            seconds = "0" + seconds;
        timerTxt.text = minutes + ":" + seconds;
    }

    private function TimerComplete(e:TimerEvent){
        messageTxt.text = "PRESENTATION IS NOW OVER"
        timerTxt.text = String("00:00");
    }
    private function StartNow(e:MouseEvent){
        myTimer.start();

    }

    private function PauseNow(e:MouseEvent){
        myTimer.stop();
    }

    private function restartNow(e: MouseEvent): void{
myTimer.stop();
myTimer = new Timer(1000, 300);
myTimer.addEventListener(TimerEvent.TIMER, updateTime);
myTimer.addEventListener(TimerEvent.TIMER_COMPLETE, TimerComplete);
i = 300;
messageTxt.text = ""
timerTxt.text = String("05:00");

    }
}