/* 
 * === Event ===
 * 
 * updated 2003/07/02
 * 
 * mail : peace@skipup.com
 * home : http://www.skipup.com/~peace/
 */

function class__JEvent__(window) {
	var classId = Object.getClassName(arguments.callee);

	var $event = Object.privateId();

	var CLIENT = new JClient(window);

	var ua = CLIENT.ua;
	var ie = CLIENT.ie;
	var nn = CLIENT.nn;
	var gk = CLIENT.gk;
	var op = CLIENT.op;
	var op6 = CLIENT.op6;
	var op7 = CLIENT.op7;
	var dom = CLIENT.dom;

	var win = CLIENT.win;
	var mac = CLIENT.mac;

	function getEvent() {
		if (ie)
			return window.event;
		else if (nn || gk) {
			for(var f = arguments.callee.caller; f != null; f = f.caller) {
				var e = f.arguments[0];
				if (e !== void 0
					&& typeof e == "object"
					&& e.toString() == "[object Event]")
					return e;
				if (f.caller == f)
					break;
			}
		} else if (op) {
			
		}
		return null;
	}

	/**
	 * コンストラクタ
	 * JEvent()
	 * JEvent(Event e)
	 * 
	 * 関数
	 * Event JEvent()
	 * Event JEvent(Event e)
	 */
	var F = window[classId] = function() {
		var e = ie ? window.event : (arguments.length == 0 ? getEvent() : arguments[0]);

		if (arguments.callee === this.constructor) {
			if (this.constructor !== F)
				this.constructor = F;

			this[$event] = e;

			this.type = e.type;

			this.button = ie || op ? e.button : e.which;
			// Primary button
			this.button1 = this.button == 1;
			// Secondary button
			this.button2 = this.button == (ie ? 2 : 3);
			// Scroll button
			this.button3 = !nn ? (this.button == (ie ? 4 : 2)) : false;

			this.altKey = !nn ? e.altKey : Boolean(e.modifiers & 1);
			this.ctrlKey = !nn ? e.ctrlKey : Boolean(e.modifiers & 2);
			this.shiftKey = !nn ? e.shiftKey : Boolean(e.modifiers & 4);

			this.keyCode = ie || gk ? e.keyCode : (nn || op ? e.which : 0);
		} else {
			return e;
		}
	};

	var FP = F.prototype;

	var textKeys = [
		"BACKSPACE",
		"SHIFT", "CTRL", "ALT",
		"PAUSE", "ESCAPE",
		"HENKAN", "MUHENKAN",
		"PAGEUP", "PAGEDOWN",
		"END", "HOME",
		"LEFT", "UP", "RIGHT", "DOWN",
		"INSERT", "DELETE",
		"WINDOWS", "PROPERTY",
		"F1", "F2", "F3", "F4", "F5", "F6",
		"F7", "F8", "F9", "F10", "F11", "F12",
		"NUMLOCK", "SCROLLLOCK", "CAPSLOCK",
		"KATAKANAHIRAGANA", "HANKAKUZENKAKU"];
	for(var i = 0; i < textKeys.length; i++)
		F["KEY_" + textKeys[i]] = textKeys[i];

	FP.getKey = function() {
		var c = this.keyCode;
		if (this.type == "keypress") {
			return String.fromCharCode(c);
		} else {
			if (win) {
				var m = this.shiftKey;
				if (ie) {
					switch (c) {
						case 8 : return F.KEY_BACKSPACE;
						case 9 : return "\t";
						case 12 : return "";
						case 13 : return "\n";
						case 16 : return F.KEY_SHIFT;
						case 17 : return F.KEY_CTRL;
						case 18 : return F.KEY_ALT;
						case 19 : return F.KEY_PAUSE;
						case 20 : return F.KEY_CAPSLOCK; // Shift+CapsLock
						case 27 : return F.KEY_ESCAPE;
						case 28 : return F.KEY_HENKAN;
						case 29 : return F.KEY_MUHENKAN;
						case 33 : return F.KEY_PAGEUP;
						case 34 : return F.KEY_PAGEDOWN;
						case 35 : return F.KEY_END;
						case 36 : return F.KEY_HOME;
						case 37 : return F.KEY_LEFT;
						case 38 : return F.KEY_UP;
						case 39 : return F.KEY_RIGHT;
						case 40 : return F.KEY_DOWN;
						case 45 : return F.KEY_INSERT;
						case 46 : return F.KEY_DELETE;
						case 93 : return F.KEY_PROPERTY;
						case 144 : return F.KEY_NUMLOCK;
						case 145 : return F.KEY_SCROLLLOCK;
						case 240 : return F.KEY_CAPSLOCK;
						case 242 : return F.KEY_KATAKANAHIRAGANA;
						case 244 : return F.KEY_HANKAKUZENKAKU;
					}

					if (c == 48 && m) return "";
					if (c == 91 || c == 92) return F.KEY_WINDOWS;
					if (112 <= c && c <= 123) return F["KEY_F"+(c-112+1)];

					if (c == 32); //  
					else if ((49 <= c && c <= 57) && m) c -= 49-33; // ! - )
					else if (((c == 186 || c == 187) && m) || ((188 <= c && c <= 191) && !m)) c -= 186-42; // *-/
					else if (c == 106 || c == 107 || c == 109 || c == 110 || c == 111) c -= 106-42; // * + - . /
					else if ((48 <= c && c <= 56) && !m); // 0-9
					else if (96 <= c && c <= 105) c -= 96-48; // 0-9
					else if (((c == 186 || c == 187) && !m) || ((188 <= c && c <= 191) && m) || (c == 192 && !m)) c -= 186-58; // :-@
					else if ((65 <= c && c <= 90) && m); // A-Z
					else if ((219 <= c && c <= 222) && !m) c -= 219-91; // [ \ ]	 ^
					else if (c == 226 && !m) c = 92; // \
					else if (c == 226 && m) c = 95; // _
					else if (c == 192 && m) c = 96; // `
					else if ((65 <= c && c <= 90) && !m) c += 97-65; // a-z
					else if ((219 <= c && c <= 222) && m) c -= 219-123; // {-~
					return String.fromCharCode(c);
				} else if (nn) {
					// 特殊キーは全て0
					if (c == 0) return "";
					if (c == 3) return F.KEY_PAUSE;
					if (c == 8) return F.KEY_BACKSPACE;
					if (c == 13) return "\n";

					return String.fromCharCode(c);
				} else if (gk) {
					// 日本語に関するものは全て229
					if (c == 8) return F.KEY_BACKSPACE;
					if (c == 9) return "\t";
					if (c == 12) return "";
					if (c == 13) return "\n";
					if (c == 16) return F.KEY_SHIFT;
					if (c == 17) return F.KEY_CTRL;
					if (c == 18) return F.KEY_ALT;
					if (c == 19) return F.KEY_PAUSE;
					if (c == 27) return F.KEY_ESCAPE;
					if (c == 29) return F.KEY_MUHENKAN;
					if (c == 33) return F.KEY_PAGEUP;
					if (c == 34) return F.KEY_PAGEDOWN;
					if (c == 35) return F.KEY_END;
					if (c == 36) return F.KEY_HOME;
					if (c == 37) return F.KEY_LEFT;
					if (c == 38) return F.KEY_UP;
					if (c == 39) return F.KEY_RIGHT;
					if (c == 40) return F.KEY_DOWN;
					if (c == 45) return F.KEY_INSERT;
					if (c == 46) return F.KEY_DELETE;
					if (c == 91 || c == 92) return F.KEY_WINDOWS;
					if (c == 93) return F.KEY_PROPERTY;
					if (112 <= c && c <= 123) return F["KEY_F"+(c-112+1)];
					if (c == 144) return F.KEY_NUMLOCK;
					if (c == 145) return F.KEY_SCROLLLOCK;
					if (c == 229) return F.KEY_HANKAKUZENKAKU;
					if (c == 240) return F.KEY_CAPSLOCK;
					if (c == 242) return F.KEY_KATAKANAHIRAGANA;

					if (c == 32); //  
					else if (c == 48 && m) return "";
					else if ((49 <= c && c <= 57) && m) c -= 49-33; // !-)
					else if (c == 59 && m) c = 42; // *
					else if (c == 61 && m) c = 43; // +
					else if (c == 188 && !m) c = 44; // ,
					else if (c == 109 && !m) c = 45; // -
					else if (c == 190 && !m) c = 46; // .
					else if (c == 191 && !m) c = 47; // /
					else if (c == 106 || c == 107 || c == 110 || c == 111) c -= 106-42; // テンキー * + . /
					else if ((48 <= c && c <= 57) && !m); // 0-9
					else if ((96 <= c && c <= 105) && !m) c -= 96-48; // テンキー 0-9
					else if (c == 59 && !m) c = 58; // :
					else if (c == 61 && !m) c = 59; // ;
					else if (c == 188 && m) c = 60; // <
					else if (c == 109 && m) c = 61; // =
					else if (c == 190 && m) c = 62; // >
					else if (c == 191 && m) c = 63; // ?
					else if (c == 192 && !m) c = 64; // @
					else if ((65 <= c && c <= 90) && m); // A-Z
					else if ((219 <= c && c <= 222) && !m) c -= 219-91; // [ \ ] ^
					else if (c == 226 && !m) c = 92; // \
					else if (c == 226 && m) c = 95; // _
					else if (c == 192 && m) c = 96; // `
					else if ((65 <= c && c <= 90) && !m) c += 97-65; // a-z
					else if (219 <= c && c <= 222) c -= 219-123; // { | } ~
					return String.fromCharCode(c);
				} else if (op) {
					// 日本語入力中は殆どのキーが229に置き換わる
					if (c == 3) return F.KEY_PAUSE;
					if (c == 12) return "";
					if (c == 13) return "\n";
					if (c == 20) return F.KEY_CAPSLOCK;
					if (c == 27) return F.KEY_ESCAPE;
					if (c == 29) return F.KEY_MUHENKAN;
					if (c == 91 || c == 92) return F.KEY_WINDOWS;
					if (c == 93) return F.KEY_PROPERTY;
					if (c == 144) return F.KEY_NUMLOCK;
					if (c == 145) return F.KEY_SCROLLLOCK;
					if (c == 229) return F.KEY_HANKAKUZENKAKU;
					if (c == 240) return F.KEY_CAPSLOCK;
					if (c == 242) return F.KEY_KATAKANAHIRAGANA;

					if (c == 48 && m) return "";
					else if ((49 <= c && c <= 57) && m) c -= 49-33; // ! - )
					else if (((c == 186 || c == 187) && m) || ((188 <= c && c <= 191) && !m)) c -= 186-42; // *-/
					else if (((c == 186 || c == 187) && !m) || ((188 <= c && c <= 191) && m) || (c == 192 && !m)) c -= 186-58; // :-@
					else if ((65 <= c && c <= 90) && m); // A-Z
					else if ((219 <= c && c <= 222) && !m) c -= 219-91; // [-^
					else if (c == 226 && !m) c = 92; // \
					else if (c == 226 && m) c = 95; // _
					else if (c == 192 && m) c = 96; // `
					else if ((65 <= c && c <= 90) && !m) c += 97-65; // a-z
					else if ((219 <= c && c <= 222) && m) c -= 219-123; // {-~
					return String.fromCharCode(c);
				} else {
					return String.fromCharCode(c);
				}
			}
		}
	};

	FP.setBubble = function(v) {
		if (ie || gk || this[$event].cancelBubble !== void 0)
			this[$event].cancelBubble = !Boolean(v);
	};

	/**
	 * int getAbsoluteX()
	 */
	FP.getAbsoluteX = function() {
		if (ie)
			return this[$event].clientX + CLIENT.getScrollX();
		else if (nn || gk || op)
			return this[$event].pageX;
		return 0;
	};

	/**
	 * int getAbsoluteY()
	 */
	FP.getAbsoluteY = function() {
		if (ie)
			return this[$event].clientY + CLIENT.getScrollY();
		else if (nn || gk || op)
			return this[$event].pageY;
		return 0;
	};

	/**
	 * Point getAbsolutePosition()
	 */
	FP.getAbsolutePosition = function() {
		return new Point(this.getAbsoluteX(), this.getAbsoluteY());
	};

	/**
	 * int getRelativeX()
	 */
	FP.getRelativeX = function() {
		if (ie || gk)
			return this[$event].clientX;
		else if (nn)
			return this[$event].pageX - CLIENT.getScrollX();
		else if (op) // ■■■
			return this[$event].clientX - CLIENT.getScrollX();
		return 0;
	};

	/**
	 * int getRelativeY()
	 */
	FP.getRelativeY = function() {
		if (ie || gk)
			return this[$event].clientY;
		else if (nn)
			return this[$event].pageY - CLIENT.getScrollY();
		else if (op) // ■■■
			return this[$event].clientY - CLIENT.getScrollY();
		return 0;
	};

	/**
	 * Point getRelativePosition()
	 */
	FP.getRelativePosition = function() {
		return new Point(this.getRelativeX(), this.getRelativeY());
	};

	/**
	 * int getElementX()
	 */
	FP.getElementX = function() {
		if (ie || op7)
			return this[$event].offsetX;
		else if (nn || gk)
			return this[$event].layerX;
		return 0;
	};

	/**
	 * int getElementY()
	 */
	FP.getElementY = function() {
		if (ie || op7)
			return this[$event].offsetY;
		else if (nn || gk)
			return this[$event].layerY;
		return 0;
	};

	/**
	 * Dimesnion getElementPosition()
	 * @see #getElementX()
	 * @see #getElementY()
	 */
	FP.getElementPosition = function() {
		return new Point(this.getElementX(), this.getElementY());
	};

	/**
	 * int getScreenX()
	 */
	FP.getScreenX = function() {
		return this[$event].screenX;
	};

	/**
	 * int getScreenY()
	 */
	FP.getScreenY = function() {
		return this[$event].screenY;
	};

	/**
	 * Point getScreenPosition()
	 */
	FP.getScreenPosition = function() {
		return new Point(this.getScreenX(), this.getScreenY());
	};

	// dragElement(JElement element);
	F.dragElement = function(element) {
		if (!ie && !nn && !gk && !op7)
			return;

		function $_d_() {
			var e = new F(); if (!e.button1) return;
			if (ie) {
				element.layer.oncontextmenu = function() { return false; };
				element.layer.onselectstart = function() { return false; };
				element.layer.ondragstart = function() { return false; };
			}
			d = true;
			e.setBubble(false);
			p = e.getElementPosition();
			element.setEventListener("mousemove", $_m_);
			element.setEventListener("mouseup", $_u_);
		}
		function $_m_() { if (d) {
			var e = new F();
			var q = e.getAbsolutePosition();
			q.sub(p);
			element.setPosition(q);
			e.setBubble(false);
			return false;
		} }
		function $_u_() {
			var e = new F();
			if (!e.button1) return;
			if (ie) {
				element.layer.oncontextmenu = null;
				element.layer.onselectstart = null;
				element.layer.ondragstart = null;
			}
			d = false;
			element.clearEventListener("mousemove");
			element.clearEventListener("mouseup");
			e.setBubble(false);
		}
		var d = false;
		var p = null;
		element.addEventListener("mousedown", $_d_);
	};

	// string toString(void);
	FP.toString = function() {
		return classId + " : " + this[$event];
	};
} class__JEvent__(window);