// yuga.js
(function($) {

$(function(){
var $targetElement = '.wordBreak';
if($.browser.msie) {
$($targetElement).css('word-break', 'break-all');
} else {
$($targetElement).each(function(){
if(navigator.userAgent.indexOf('Firefox/2') != -1) {
$(this).html($(this).text().split('').join('<wbr />'));
} else {
$(this).html($(this).text().split('').join(String.fromCharCode(8203)));
}
});
}
});

$(function() {
$.yuga.rollover();
$.yuga.thickbox();
$.yuga.scroll();
$.yuga.tab();
$.yuga.stripe();
$.yuga.selflink();
$.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:'body',
				selfLinkClass:'current',
				parentsLinkClass:'parentsLink',
				postfix: '_on',
				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) {
					//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: '.imgover, .allimg img',
groupSelector: '.imggroup',
postfix: '_on',
current: '_cr'
}, options);

//ロールオーバーするノードの初期化
var rolloverImgs = $(c.hoverSelector);
rolloverImgs.each(function(){
this.originalSrc		= $(this).attr('src');
this.rolloverSrc		= this.originalSrc.replace(new RegExp('('+c.postfix+')?(\.gif|\.jpg|\.png)$'), c.postfix+"$2");
this.currentSrc			= this.originalSrc.replace(new RegExp('('+c.current+')?(\.gif|\.jpg|\.png)$'), c.current+"$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(){
if( $(this).attr('src') != this.currentSrc ){
$(this).attr('src',this.rolloverSrc);
}
},function(){
if( $(this).attr('src') != this.currentSrc ){
$(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(){
if( $(this).attr('src') != this.currentSrc ){
$(this).attr('src',this.rolloverSrc);
}
});
},function(){
$(this).find('img').filter(isRolloverImg).each(function(){
if( $(this).attr('src') != this.currentSrc ){
$(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);
}
},

		//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');
}
};
})(jQuery);