package
  {
          import flash.display.Sprite;
          import flash.events.MouseEvent;
          import flash.geom.Rectangle;
          
          public class @ax-animation-ch07-Drag extends Sprite
          {
                  private var ball:animation_ch07_Ball;
                  
                  public function @ax-animation-ch07-Drag()
                  {
                          init();
                  }
                  
                  private function init():void
                  {
                          ball = new animation_ch07_Ball();
                          ball.x = 100;
                          ball.y = 100;
                          addChild(ball);
                          ball.addEventListener(MouseEvent.MOUSE_DOWN, onMouseDown);
                  }
                  
                  private function onMouseDown(event:MouseEvent):void
                  {
                          stage.addEventListener(MouseEvent.MOUSE_UP, onMouseUp);
                          ball.startDrag(false, new Rectangle(100, 100, 300, 300));
                  }
                  
                  private function onMouseUp(event:MouseEvent):void
                  {
                          stage.removeEventListener(MouseEvent.MOUSE_UP, onMouseUp);
                          ball.stopDrag();
                  }
          }
  }