SimpleButton

/**
 * Copyright t2421 ( http://wonderfl.net/user/t2421 )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/ffA8
 */

package {
    import flash.text.TextField;
    import flash.events.MouseEvent;
    import flash.display.Sprite;
    public class Bts extends Sprite {
        private var bt:En;
        private var tf:TextField;
        
        public function Bts() {
            // write as3 code here..
            TraceText.init();
            tf = new TextField();
            tf.height = 500;
            this.addChild(tf);
            tf.text = "traceArea";
            bt = new En();
            this.addChild(bt);
            bt.x = stage.stageWidth/2;
            bt.y = stage.stageHeight/2;
            setEvent();
        }
        
        private function setEvent():void{
            bt.buttonMode = true;
            bt.addEventListener(MouseEvent.ROLL_OVER,rollOverHandler);
            bt.addEventListener(MouseEvent.ROLL_OUT,rollOutHandler);
            bt.addEventListener(MouseEvent.CLICK,clickHandler);
        }

        
        private function clickHandler(e:MouseEvent):void{
            TraceText.traceText("click",tf);
        }
        
        private function rollOverHandler(e:MouseEvent):void{
            TraceText.traceText("rollOver",tf);
        }
        
        private function rollOutHandler(e:MouseEvent):void{
            TraceText.traceText("rollOut",tf);
        }



    }
}
import flash.text.TextFormat;
import flash.text.TextField;
import flash.display.Sprite;

class En extends Sprite{
    public function En(_radius:Number=50,_lineThickness:Number=10,_color:uint=0xff0000,_lineColor:uint=0x000000){
        graphics.lineStyle(_lineThickness,_lineColor);
        graphics.beginFill(_color);
        graphics.drawCircle(0,0,_radius);
        graphics.endFill();
    }
}

class TraceText{
    static private var _textHistory:String;
    static private const MAX_COL:uint = 30;//max col of reset
    static private var counter:uint = 0;
    public function TraceText(){
        
    }
    
    static public function init():void{
        _textHistory = "";
    }

    
    static public function traceText(str:String,tf:TextField):void{
        _textHistory += str+"\n";
        tf.text = _textHistory;
        counter++;
        if(counter >= TraceText.MAX_COL){
            resetText(tf);
            counter=0;
        }

    }
    
    static public function resetText(tf:TextField):void{
        _textHistory = "";
        tf.text = _textHistory;
    }
    
    static public function get textHistory():String{return _textHistory}

    
  


}