thisの件

/**
 * Copyright nacookan ( http://wonderfl.net/user/nacookan )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/2vnW
 */

package {
    import flash.display.*;
    import flash.text.*;
    import flash.events.*;
    public class ThisInFunction extends Sprite {
        var t:TextField;
        public function ThisInFunction():void {
            var f:TextFormat = new TextFormat();
            f.font = 'sans';
            f.size = 20;
            f.color = 0x333333;
            t = new TextField();
            t.defaultTextFormat = f;
            t.autoSize = TextFieldAutoSize.LEFT;
            t.multiline = true;
            addChild(t);
            
            var func:Function = (function():void{
                t.text += this + '\n';
            });
            
            t.text = '-- load --\n';
            t.text += this + '\n';
            func();
            func.apply(this);
            hoge();
            hoge.apply(this);
            
            var s:Sprite = new Sprite();
            s.graphics.lineStyle(2, 0x333333);
            s.graphics.beginFill(0x88aaff);
            s.graphics.drawRoundRect(0, 0, 100, 100, 12);
            s.graphics.endFill();
            s.x = stage.stageWidth - s.width;
            s.y = stage.stageHeight - s.height;
            s.addEventListener(MouseEvent.CLICK, function(e:MouseEvent):void{
                t.text += '-- click --\n';
                t.text += this + '\n';
                func();
                func.apply(this);
                hoge();
                hoge.apply(this);
            });
            addChild(s);
        }
        
        function hoge(){
            t.text += this + '\n';
        }
    }
}