package

{

    import flash.display.*;

    import flash.events.*;

    import flash.text.*;

    public class EventBubble extends Sprite

    {

        private var msgTxt:TextField;

        public var msg_txt:TextField;

        private var father1:Sprite;

        private var father2:Sprite;

        private var child1:Sprite;

        private var child2:Sprite;

        public function EventBubble()

        {

            this.father1 = new Sprite();

            this.father2 = new Sprite();

            this.child1 = new Sprite();

            this.child2 = new Sprite();

            this.msgTxt = this.getChildByName("msg_txt") as TextField;

            this.father1.graphics.beginFill(6671615);

            this.father1.graphics.drawRect(0, 0, 180, 140);

            this.father1.graphics.endFill();

            this.father1.x = 0;

            this.father1.y = 0;

            addChild(this.father1);

            this.father2.graphics.beginFill(5854273);

            this.father2.graphics.drawRect(0, 0, 180, 140);

            this.father2.graphics.endFill();

            this.father2.x = this.father1.x + this.father1.width + 5;

            this.father2.y = this.father1.y;

            addChild(this.father2);

            this.child1.graphics.beginFill(5854273);

            this.child1.graphics.drawRect(0, 0, 80, 40);

            this.child1.graphics.endFill();

            this.child1.x = 20;

            this.child1.y = 20;

            this.father1.addChild(this.child1);

            this.child2.graphics.beginFill(6671615);

            this.child2.graphics.drawRect(0, 0, 80, 40);

            this.child2.graphics.endFill();

            this.child2.x = 20;

            this.child2.y = 20;

            this.father2.addChild(this.child2);

            this.father1.addEventListener(MouseEvent.CLICK, this.fatherClickHandler);

            this.father2.addEventListener(MouseEvent.CLICK, this.fatherClickHandler);

            this.child1.addEventListener(MouseEvent.CLICK, this.child1ClickHandler);

            this.child2.addEventListener(MouseEvent.CLICK, this.child2ClickHandler);

            return;

        }// end function

        private function fatherClickHandler(event:MouseEvent) : void

        {

            trace("冒了。");

            this.msgTxt.appendText("冒了。\n");

            return;

        }// end function

        private function child1ClickHandler(event:MouseEvent) : void

        {

            trace("冒泡了嗎？");

            this.msgTxt.appendText("冒泡了嗎？\n");

            return;

        }// end function

        private function child2ClickHandler(event:MouseEvent) : void

        {

            event.stopPropagation();

            trace("冒泡了嗎？");

            this.msgTxt.appendText("冒泡了嗎？\n");

            return;

        }// end function

    }

}