/*
 * yuga.js 0.7.1 - 優雅なWeb制作のためのJS
 *
 * Copyright (c) 2009 Kyosuke Nakamura (kyosuke.jp)
 * Licensed under the MIT License:
 * http://www.opensource.org/licenses/mit-license.php
 *
 * Since:     2006-10-30
 * Modified:  2009-01-27
 *
 * jQuery 1.3.1
 * ThickBox 3.1
 */

(function($) {

	$(function() {
		//$.yuga.selflink();
		$.yuga.rollover();
        $.yuga.flashrollover();
		//$.yuga.externalLink();
		//$.yuga.thickbox();
		//$.yuga.scroll();
		//$.yuga.tab();
		$.yuga.stripe();
		//$.yuga.css3class();
	});

	//---------------------------------------------------------------------

	$.yuga = {
		// URIを解析したオブジェクトを返すfunction
		Uri: function(path){
			var self = this;
			this.originalPath = path;
			//絶対パスを取得
			this.absolutePath = (function(){
				var e = document.createElement('span');
				e.innerHTML = '<a href="' + path + '" />';
				return e.firstChild.href;
			})();
			//絶対パスを分解
			var fields = {'schema' : 2, 'username' : 5, 'password' : 6, 'host' : 7, 'path' : 9, 'query' : 10, 'fragment' : 11};
			var r = /^((\w+):)?(\/\/)?((\w+):?(\w+)?@)?([^\/\?:]+):?(\d+)?(\/?[^\?#]+)?\??([^#]+)?#?(\w*)/.exec(this.absolutePath);
			for (var field in fields) {
				this[field] = r[fields[field]];
			}
			this.querys = {};
			if(this.query){
				$.each(self.query.split('&'), function(){
					var a = this.split('=');
					if (a.length == 2) self.querys[a[0]] = a[1];
				});
			}
		},
		//現在のページと親ディレクトリへのリンク
		selflink: function (options) {
			var c = $.extend({
				selfLinkAreaSelector:'#side',
				selfLinkClass:'current',
				parentsLinkClass:'parentsLink',
				postfix: '_cr',
				changeImgSelf:true,
				changeImgParents:true
			}, options);
			$(c.selfLinkAreaSelector+((c.selfLinkAreaSelector)?' ':'')+'a[href]').each(function(){
				var href = new $.yuga.Uri(this.getAttribute('href'));
				var setImgFlg = false;

    				if ((href.absolutePath == location.href) && !href.fragment) {
                        if(location.pathname != "/"){
        					//同じ文書にリンク
        					$(this).addClass(c.selfLinkClass);
        					setImgFlg = c.changeImgSelf;
                        }
    				} else if (0 <= location.href.search(href.absolutePath)) {
    					//親ディレクトリリンク
    					$(this).addClass(c.parentsLinkClass);
    					//setImgFlg = c.changeImgParents;
    				}

				if (setImgFlg){
					//img要素が含まれていたら現在用画像（_cr）に設定
					$(this).find('img').each(function(){
						this.originalSrc = $(this).attr('src');
						this.currentSrc = this.originalSrc.replace(new RegExp('('+c.postfix+')?(\.gif|\.jpg|\.png)$'), c.postfix+"$2");
						$(this).attr('src',this.currentSrc);
					});
				}
			});
		},
		//ロールオーバー
		rollover: function(options) {
			var c = $.extend({
				hoverSelector: '.btn, .allbtn img, .over',
				groupSelector: '.btngroup',
				postfix: '_on'
			}, options);
			//ロールオーバーするノードの初期化
			var rolloverImgs = $(c.hoverSelector).filter(isNotCurrent);
			rolloverImgs.each(function(){
				this.originalSrc = $(this).attr('src');
				this.rolloverSrc = this.originalSrc.replace(new RegExp('('+c.postfix+')?(\.gif|\.jpg|\.png)$'), c.postfix+"$2");
				this.rolloverImg = new Image;
				this.rolloverImg.src = this.rolloverSrc;
			});
			//グループ内のimg要素を指定するセレクタ生成
			var groupingImgs = $(c.groupSelector).find('img').filter(isRolloverImg);

			//通常ロールオーバー
			rolloverImgs.not(groupingImgs).hover(function(){
				$(this).attr('src',this.rolloverSrc);
			},function(){
				$(this).attr('src',this.originalSrc);
			});
			//グループ化されたロールオーバー
			$(c.groupSelector).hover(function(){
				$(this).find('img').filter(isRolloverImg).each(function(){
					$(this).attr('src',this.rolloverSrc);
				});
			},function(){
				$(this).find('img').filter(isRolloverImg).each(function(){
					$(this).attr('src',this.originalSrc);
				});
			});
			//フィルタ用function
			function isNotCurrent(i){
				return Boolean(!this.currentSrc);
			}
			function isRolloverImg(i){
				return Boolean(this.rolloverSrc);
			}

		},


		//ロールオーバー
		flashrollover: function(options) {
        	$('a img').mouseover(function(){
        		$(this).stop().css({opacity:0.4}).animate({opacity:1},500);
        	});
		},


		//外部リンクは別ウインドウを設定
		externalLink: function(options) {
			var c = $.extend({
				windowOpen:true,
				externalClass: 'blankLink',
				addIconSrc: ''
			}, options);
			var uri = new $.yuga.Uri(location.href);
			var e = $('a[href^="http://"]').not('a[href^="' + uri.schema + '://' + uri.host + '/' + '"]');
			if (c.windowOpen) {
				e.click(function(){
					window.open(this.href, '_blank');
					return false;
				});
			}
			if (c.addIconSrc) e.not(':has(img)').after($('<img src="'+c.addIconSrc+'" class="externalIcon" />'));
			e.addClass(c.externalClass);
		},
        //画像へ直リンクするとthickboxで表示(thickbox.js利用)
        thickbox: function() {
			try {
				tb_init('a[href$=".jpg"]:not(.thickbox, a[href*="?"]), a[href$=".gif"][href!="?"]:not(.thickbox, a[href*="?"]), a[href$=".png"][href!="?"]:not(.thickbox, a[href*="?"])');
			} catch(e) {
			}	
		},

		//ページ内リンクはするするスクロール
		scroll: function(options) {
			//ドキュメントのスクロールを制御するオブジェクト
			var scroller = (function() {
				var c = $.extend({
					easing:100,
					step:30,
					fps:60,
					fragment:''
				}, options);
				c.ms = Math.floor(1000/c.fps);
				var timerId;
				var param = {
					stepCount:0,
					startY:0,
					endY:0,
					lastY:0
				};
				//スクロール中に実行されるfunction
				function move() {
					if (param.stepCount == c.step) {
						//スクロール終了時
						setFragment(param.hrefdata.absolutePath);
						window.scrollTo(getCurrentX(), param.endY);
					} else if (param.lastY == getCurrentY()) {
						//通常スクロール時
						param.stepCount++;
						window.scrollTo(getCurrentX(), getEasingY());
						param.lastY = getEasingY();
						timerId = setTimeout(move, c.ms); 
					} else {
						//キャンセル発生
						if (getCurrentY()+getViewportHeight() == getDocumentHeight()) {
							//画面下のためスクロール終了
							setFragment(param.hrefdata.absolutePath);
						}
					}
				}
				function setFragment(path){
					location.href = path
				}
				function getCurrentY() {
					return document.body.scrollTop  || document.documentElement.scrollTop;
				}
				function getCurrentX() {
					return document.body.scrollLeft  || document.documentElement.scrollLeft;
				}
				function getDocumentHeight(){
					return document.documentElement.scrollHeight || document.body.scrollHeight;
				}
				function getViewportHeight(){
					return (!$.browser.safari && !$.browser.opera) ? document.documentElement.clientHeight || document.body.clientHeight || document.body.scrollHeight : window.innerHeight;
				}
				function getEasingY() {
					return Math.floor(getEasing(param.startY, param.endY, param.stepCount, c.step, c.easing));
				}
				function getEasing(start, end, stepCount, step, easing) {
					var s = stepCount / step;
					return (end - start) * (s + easing / (100 * Math.PI) * Math.sin(Math.PI * s)) + start;
				}
				return {
					set: function(options) {
						this.stop();
						if (options.startY == undefined) options.startY = getCurrentY();
						param = $.extend(param, options);
						param.lastY = param.startY;
						timerId = setTimeout(move, c.ms); 
					},
					stop: function(){
						clearTimeout(timerId);
						param.stepCount = 0;
					}
				};
			})();
			$('a[href^=#], area[href^=#]').not('a[href=#], area[href=#]').each(function(){
				this.hrefdata = new $.yuga.Uri(this.getAttribute('href'));
			}).click(function(){
				var target = $('#'+this.hrefdata.fragment);
				if (target.length == 0) target = $('a[name='+this.hrefdata.fragment+']');
				if (target.length) {
					scroller.set({
						endY: target.offset().top,
						hrefdata: this.hrefdata
					});
					return false;
				}
			});
		},
		//タブ機能
		tab: function(options) {
			var c = $.extend({
				tabNavSelector:'.tabNav',
				activeTabClass:'active'
			}, options);
			$(c.tabNavSelector).each(function(){
				var tabNavList = $(this).find('a[href^=#], area[href^=#]');
				var tabBodyList;
				tabNavList.each(function(){
					this.hrefdata = new $.yuga.Uri(this.getAttribute('href'));
					var selecter = '#'+this.hrefdata.fragment;
					if (tabBodyList) {
						tabBodyList = tabBodyList.add(selecter);
					} else {
						tabBodyList = $(selecter);
					}
					$(this).unbind('click');
					$(this).click(function(){
						tabNavList.removeClass(c.activeTabClass);
						$(this).addClass(c.activeTabClass);
						tabBodyList.hide();
						$(selecter).show();
						return false;
					});
				});
				tabBodyList.hide()
				tabNavList.filter(':first').trigger('click');
			});
		},
		//奇数、偶数を自動追加
		stripe: function(options) {
			var c = $.extend({
				oddClass:'odd',
				evenClass:'even'
			}, options);
			$('ul, ol').each(function(){
				//JSでは0から数えるのでevenとaddを逆に指定
				$(this).children('li:odd').addClass(c.evenClass);
				$(this).children('li:even').addClass(c.oddClass);
			});
			$('table, tbody').each(function(){
				$(this).children('tr:odd').addClass(c.evenClass);
				$(this).children('tr:even').addClass(c.oddClass);
			});
		},
		//css3のクラスを追加
		css3class: function() {
			//:first-child, :last-childをクラスとして追加
			$('body :first-child').addClass('firstChild');
			$('body :last-child').addClass('lastChild');
			//css3の:emptyをクラスとして追加
			$('body :empty').addClass('empty');
		}
	};
    //heightLine.js
    new function(){
    	
    	function heightLine(){
    	
    		this.className="heightLine";
    		this.parentClassName="heightLineParent"
    		reg = new RegExp(this.className+"-([a-zA-Z0-9-_]+)", "i");
    		objCN =new Array();
    		var objAll = document.getElementsByTagName ? document.getElementsByTagName("*") : document.all;
    		for(var i = 0; i < objAll.length; i++) {
    			var eltClass = objAll[i].className.split(/\s+/);
    			for(var j = 0; j < eltClass.length; j++) {
    				if(eltClass[j] == this.className) {
    					if(!objCN["main CN"]) objCN["main CN"] = new Array();
    					objCN["main CN"].push(objAll[i]);
    					break;
    				}else if(eltClass[j] == this.parentClassName){
    					if(!objCN["parent CN"]) objCN["parent CN"] = new Array();
    					objCN["parent CN"].push(objAll[i]);
    					break;
    				}else if(eltClass[j].match(reg)){
    					var OCN = eltClass[j].match(reg)
    					if(!objCN[OCN]) objCN[OCN]=new Array();
    					objCN[OCN].push(objAll[i]);
    					break;
    				}
    			}
    		}
    		
    		//check font size
    		var e = document.createElement("div");
    		var s = document.createTextNode("S");
    		e.appendChild(s);
    		e.style.visibility="hidden"
    		e.style.position="absolute"
    		e.style.top="0"
    		document.body.appendChild(e);
    		var defHeight = e.offsetHeight;
    		
    		changeBoxSize = function(){
    			for(var key in objCN){
    				if (objCN.hasOwnProperty(key)) {
    					//parent type
    					if(key == "parent CN"){
    						for(var i=0 ; i<objCN[key].length ; i++){
    							var max_height=0;
    							var CCN = objCN[key][i].childNodes;
    							for(var j=0 ; j<CCN.length ; j++){
    								if(CCN[j] && CCN[j].nodeType == 1){
    									CCN[j].style.height="auto";
    									max_height = max_height>CCN[j].offsetHeight?max_height:CCN[j].offsetHeight;
    								}
    							}
    							for(var j=0 ; j<CCN.length ; j++){
    								if(CCN[j].style){
    									var stylea = CCN[j].currentStyle || document.defaultView.getComputedStyle(CCN[j], '');
    									var newheight = max_height;
    									if(stylea.paddingTop)newheight -= stylea.paddingTop.replace("px","");
    									if(stylea.paddingBottom)newheight -= stylea.paddingBottom.replace("px","");
    									if(stylea.borderTopWidth && stylea.borderTopWidth != "medium")newheight-= stylea.borderTopWidth.replace("px","");
    									if(stylea.borderBottomWidth && stylea.borderBottomWidth != "medium")newheight-= stylea.borderBottomWidth.replace("px","");
    									CCN[j].style.height =newheight+"px";
    								}
    							}
    						}
    					}else{
    						var max_height=0;
    						for(var i=0 ; i<objCN[key].length ; i++){
    							objCN[key][i].style.height="auto";
    							max_height = max_height>objCN[key][i].offsetHeight?max_height:objCN[key][i].offsetHeight;
    						}
    						for(var i=0 ; i<objCN[key].length ; i++){
    							if(objCN[key][i].style){
    								var stylea = objCN[key][i].currentStyle || document.defaultView.getComputedStyle(objCN[key][i], '');
    									var newheight = max_height;
    									if(stylea.paddingTop)newheight-= stylea.paddingTop.replace("px","");
    									if(stylea.paddingBottom)newheight-= stylea.paddingBottom.replace("px","");
    									if(stylea.borderTopWidth && stylea.borderTopWidth != "medium")newheight-= stylea.borderTopWidth.replace("px","")
    									if(stylea.borderBottomWidth && stylea.borderBottomWidth != "medium")newheight-= stylea.borderBottomWidth.replace("px","");
    									objCN[key][i].style.height =newheight+"px";
    							}
    						}
    					}
    				}
    			}
    		}
    		
    		checkBoxSize = function(){
    			if(defHeight != e.offsetHeight){
    				changeBoxSize();
    				defHeight= e.offsetHeight;
    			}
    		}
    		changeBoxSize();
    		setInterval(checkBoxSize,1000)
    		window.onresize=changeBoxSize;
    	}
    	
    	function addEvent(elm,listener,fn){
    		try{
    			elm.addEventListener(listener,fn,false);
    		}catch(e){
    			elm.attachEvent("on"+listener,fn);
    		}
    	}
    	addEvent(window,"load",heightLine);
    }
})(jQuery);