// ScrambleText.as
//
//
//
//
//
//
class text.ScrambleText extends MovieClip {
	//
	private var nScrambleInterval:Number;
	private var sText:String;
	private var dText:String;
	private var aFirstString:Array;
	private var aEndString:Array;
	private var aJoinString:Array;
	private var nStringCount:Number;
	//
	private var tfTarget:TextField;
	//
	//	------------------------------------------------------------------------
	//								CONSTRUCTOR
	//	------------------------------------------------------------------------ 
	function ScrambleText() {
		//
	}
	//
	//	END CONSTRUCTOR
	//
	//	========================================================================
	//								PRIVATE FUNCTIONS
	//	========================================================================
	//
	private function shuffle(a:Number, b:Number):Number {
		return (Math.floor(Math.random()*2));
	}
	//	
	//	------------------------------------------------------------------------
	//	
	private function encode():Void {
		if (nStringCount<aFirstString.length) {
			returnText(dText+aJoinString[nStringCount]);
			nStringCount++;
		} else {
			//
			clearInterval(nScrambleInterval);
			nStringCount = 0;
			nScrambleInterval = setInterval(this, "decode", 30);
		}
	}
	//	
	//	------------------------------------------------------------------------
	//	
	private function decode():Void {
		var sBeginText:String;
		var sEndText:String;
		if (nStringCount<aFirstString.length) {
			var sCurrString:String = dText;
			sBeginText = sCurrString.substring(0, nStringCount);
			sEndText = sCurrString.substring(nStringCount+1, sCurrString.length);
			//
			returnText((sBeginText+aEndString[nStringCount])+sEndText);
			//
			nStringCount++;
		} else {
			//
			clearInterval(nScrambleInterval);
		}
	}
	//	
	//	------------------------------------------------------------------------
	//	
	private function returnText(dTxt:String):Void {
		// trace("returnText("+dTxt+")");
		dText = dTxt;
		//
		tfTarget.text = dText;
		//return (tfTarget.text = dText);
	}
	//
	//	========================================================================
	//								PUBLIC FUNCTIONS
	//	========================================================================
	//
	public function scramble(tfTrgt:TextField, dispTxt:String):Void {
		// trace("scramble("+dispTxt+")");
		tfTarget = tfTrgt;
		dText = dispTxt;
		sText = dText;
		aFirstString = sText.split("");
		aEndString = sText.split("");
		aJoinString = aFirstString.sort(shuffle);
		nStringCount = 0;
		//
		clearInterval(nScrambleInterval);
		nScrambleInterval = setInterval(this, "encode", 10);
		//
		returnText("");
		//
	}
	//	
	//	------------------------------------------------------------------------
	//								CLOSE CLASS
	//	------------------------------------------------------------------------ 	
}