/*
 * 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
 *
 */

(function($) {
	$(function() {
		$.yuga.selflink();
//		$.yuga.externalLink();
		$.yuga.tab();
	});

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

	$.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: '_cr',
				changeImgSelf:false,
				changeImgParents:false
			}, 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
					$(this).addClass(c.selfLinkClass);
				} else if (0 <= location.href.search(href.absolutePath.replace(/index.html$/i,""))){
					//親ディレクトリリンク
					$(this).addClass(c.parentsLinkClass);
				}
			});
		},
		//外部リンクは別ウインドウを設定
//		externalLink: function(options) {
//			var c = $.extend({
//				windowOpen:true,
//				externalClass: 'externalLink',
//				addIconSrc: ''
//			}, options);
//			var uri = new $.yuga.Uri(location.href);
//			var e = $('a[href^="http://"]').not('a[href^="' + uri.schema + '://' + uri.host + '/' + '"],a[href^="https://"]');
//			if (c.windowOpen) {
//				e.click(function(){
//					window.open(this.href, '_blank');
//					return false;
//				});
//			}
//			if (c.addIconSrc) e.not(':has(img)').after($('<img src="'+c.addIconSrc+'" class="externalIcon" />'));
//			e.addClass(c.externalClass);
//		},
		//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');
			});
		}
	};
})(jQuery);