package examples
     {
         import system.process.Action;
         import system.process.CountDown;
         
         import flash.display.Sprite;
         import flash.events.KeyboardEvent;
         import flash.ui.Keyboard;
         
         public class CountDownExample extends Sprite
         {
             public function CountDownExample()
             {
                 stage.addEventListener( KeyboardEvent.KEY_DOWN , keyDown ) ;
                 
                 counter = new CountDown( 5 ) ;
                 
                 counter.changeIt.connect( change ) ;
                 counter.finishIt.connect( finish ) ;
                 counter.pauseIt.connect( change ) ;
                 counter.resumeIt.connect( resume ) ;
                 counter.startIt.connect( start  ) ;
                 counter.stopIt.connect( stop  ) ;
                 
                 counter.run() ;
             }
             
             //////////
             
             public var counter:CountDown ;
             
             //////////
             
             public function change( action:Action ):void
             {
                 trace( "change count:" + counter.count ) ;
             }
             
             public function finish( action:Action ):void
             {
                 trace( "finish count:" + counter.count ) ;
             }
             
             public function pause( action:Action ):void
             {
                 trace( "pause count:" + counter.count ) ;
             }
             
             public function resume( action:Action ):void
             {
                 trace( "resume count:" + counter.count ) ;
             }
             
             public function start( action:Action ):void
             {
                 trace( "start count:" + counter.count ) ;
             }
             
             public function stop( action:Action ):void
             {
                 trace( "stop count:" + counter.count ) ;
             }
             
             //////////
             
             private function keyDown( e:KeyboardEvent ):void 
             {
                 var code:uint = e.keyCode ;
                 switch( code )
                 {
                     case Keyboard.UP :
                     {
                         counter.stop() ;
                         break ;
                     }
                     case Keyboard.DOWN :
                     {
                         if( counter.stopped )
                         {
                             counter.resume() ;
                         }
                         else
                         {
                             counter.start() ;
                         }
                         break ;
                     }
                     case Keyboard.SPACE :
                     {
                         counter.reset() ;
                         break ;
                     }
                 }
             }
         }
     }