package
{
	import com.nitoyon.potras.*;
	import flash.display.*;
	import flash.text.TextField;
	import flash.events.*;
	import flash.utils.*;
	import caurina.transitions.Tweener;

	[SWF(width="640", height="480", backgroundColor="#ffffff")]
	public class KanaKeyboard extends Sprite
	{
		private static var TABLE:Object = 
			{"3" : "あ", "e" : "い", "4" : "う", "5" : "え", "6" : "お",
			 "t" : "か", "g" : "き", "h" : "く", ":" : "け", "b" : "こ",
			 "x" : "さ", "d" : "し", "r" : "す", "p" : "せ", "c" : "そ",
			 "q" : "た", "a" : "ち", "z" : "つ", "w" : "て", "s" : "と",
			 "u" : "な", "i" : "に", "1" : "ぬ", "," : "ね", "k" : "の",
			 "f" : "は", "v" : "ひ", "2" : "ふ", "^" : "へ", "-" : "ほ",
			 "j" : "ま", "n" : "み", "]" : "む", "/" : "め", "m" : "も",
			 "7" : "や", "8" : "ゆ", "9" : "よ",
			 "o" : "ら", "l" : "り", "." : "る", ";" : "れ", "\\" : "ろ",
			 "0" : "わ", "!" : "を", "y" : "ん",
			 "@" : "＠"};

		private var lists:Object = {};

		public function KanaKeyboard()
		{
			var t:TextField = new TextField();
			addChild(t);
			
			var sprites:Object = {};
			var keys:Array = [];
			for(var key:String in TABLE)
			{
				keys.push(key);
			}

			var traceCallback:Function = function():void
			{
				t.text = "Loading... " + keys.length.toString();
				key = keys.shift();
				var list:ClosedPathList = PotrAs.traceLetter(TABLE[key], 200);
				lists[key] = list;

				if(keys.length == 0)
				{
					removeChild(t);
					stage.addEventListener("keyDown", keyDownHandler);
				}
				else
				{
					setTimeout(traceCallback, 10);
				}
			}
			traceCallback();
		}

		private function keyDownHandler(event:*):void
		{
			var c:String = String.fromCharCode(event.charCode).toLowerCase();
			var list:ClosedPathList = lists[c];
			if(list)
			{
				var sprite:Sprite = new Sprite();
				sprite.graphics.beginFill(0x999999);
				sprite.graphics.lineStyle(1, 0x000000);
				list.draw(sprite.graphics);
				sprite.graphics.endFill();
				var s:Sprite = new Sprite();
				s.addChild(sprite);
				sprite.x = -sprite.width / 2;
				sprite.y = -sprite.height / 2;

				s.x = loaderInfo.width / 2;
				s.y = loaderInfo.height / 2;

				s.alpha = 0.2;
				s.scaleX = s.scaleY = 0.01;
				s.rotation = 360 * Math.random() - 180;
				var r:Number = 400 * Math.random();
				var theta:Number = Math.PI * 2 * Math.random();

				Tweener.addTween(s, {
					time : 1.5,
					alpha : 1,
					transition : "easeInCubic"
				});

				Tweener.addTween(s, {
					time : 0.7,
					delay : 1.8,
					alpha : 0
				});

				Tweener.addTween(s, {
					time : 2.5,
					rotation : 360 * Math.random() - 180,
					transition : "easeOutCubic"
				});

				Tweener.addTween(s, {
					time : 2.5, 
					x : s.x + r * Math.sin(theta),
					y : s.y + r * Math.cos(theta),
					transition : "easeInCubic",
					_scale: 12.0,
					onComplete : function():void{
						removeChild(s);
					}
				});

				addChild(s);
			}
		}
	}
}