https://bvw.jp/js/yuga.js

1/*
2 * yuga.js 0.7.0 - 優雅なWeb制作のためのJS
3 *
4 * Copyright (c) 2007 Kyosuke Nakamura (kyosuke.jp)
5 * Licensed under the MIT License:
6 * http://www.opensource.org/licenses/mit-license.php
7 *
8 * Since:     2006-10-30
9 * Modified:  2008-12-26
10 *
11 * jQuery 1.2.6
12 * ThickBox 3.1
13 */
14
15/*
16 * [使用方法] XHTMLのhead要素内で次のように読み込みます。
17 
18<link rel="stylesheet" href="css/thickbox.css" type="text/css" media="screen" />
19<script type="text/javascript" src="js/jquery.js"></script>
20<script type="text/javascript" src="js/thickbox.js"></script>
21<script type="text/javascript" src="js/yuga.js" charset="utf-8"></script>
22
23 */
24
25(function($) {
26
27	$(function() {
28		$.yuga.selflink();
29		$.yuga.rollover();
30		$.yuga.externalLink();
31		$.yuga.thickbox();
32		$.yuga.scroll();
33		$.yuga.tab();
34		$.yuga.stripe();
35		$.yuga.css3class();
36	});
37
38	//---------------------------------------------------------------------
39
40	$.yuga = {
41		// URIを解析したオブジェクトを返すfunction
42		Uri: function(path){
43			var self = this;
44			this.originalPath = path;
45			//絶対パスを取得
46			this.absolutePath = (function(){
47				var e = document.createElement('span');
48				e.innerHTML = '<a href="' + path + '" />';
49				return e.firstChild.href;
50			})();
51			//絶対パスを分解
52			var fields = {'schema' : 2, 'username' : 5, 'password' : 6, 'host' : 7, 'path' : 9, 'query' : 10, 'fragment' : 11};
53			var r = /^((\w+):)?(\/\/)?((\w+):?(\w+)?@)?([^\/\?:]+):?(\d+)?(\/?[^\?#]+)?\??([^#]+)?#?(\w*)/.exec(this.absolutePath);
54			for (var field in fields) {
55				this[field] = r[fields[field]];
56			}
57			this.querys = {};
58			if(this.query){
59				$.each(self.query.split('&'), function(){
60					var a = this.split('=');
61					if (a.length == 2) self.querys[a[0]] = a[1];
62				});
63			}
64		},
65		//現在のページと親ディレクトリへのリンク
66		selflink: function (options) {
67			var c = $.extend({
68				selfLinkClass:'current',
69				parentsLinkClass:'parentsLink',
70				postfix: '_cr',
71				changeImgSelf:true,
72				changeImgParents:true
73			}, options);
74			$('a[href]').each(function(){
75				var href = new $.yuga.Uri(this.getAttribute('href'));
76				var setImgFlg = false;
77				if ((href.absolutePath == location.href) && !href.fragment) {
78					//同じ文書にリンク
79					$(this).addClass(c.selfLinkClass);
80					setImgFlg = c.changeImgSelf;
81				} else if (0 <= location.href.search(href.absolutePath)) {
82					//親ディレクトリリンク
83					$(this).addClass(c.parentsLinkClass);
84					setImgFlg = c.changeImgParents;
85				}
86				if (setImgFlg){
87					//img要素が含まれていたら現在用画像（_cr）に設定
88					$(this).find('img').each(function(){
89						this.originalSrc = $(this).attr('src');
90						this.currentSrc = this.originalSrc.replace(new RegExp('('+c.postfix+')?(\.gif|\.jpg|\.png)$'), c.postfix+"$2");
91						$(this).attr('src',this.currentSrc);
92					});
93				}
94			});
95		},
96		//ロールオーバー
97		rollover: function(options) {
98			var c = $.extend({
99				hoverSelector: '.btn, .allbtn img',
100				groupSelector: '.btngroup',
101				postfix: '_on'
102			}, options);
103			//ロールオーバーするノードの初期化
104			var rolloverImgs = $(c.hoverSelector).filter(isNotCurrent);
105			rolloverImgs.each(function(){
106				this.originalSrc = $(this).attr('src');
107				this.rolloverSrc = this.originalSrc.replace(new RegExp('('+c.postfix+')?(\.gif|\.jpg|\.png)$'), c.postfix+"$2");
108				this.rolloverImg = new Image;
109				this.rolloverImg.src = this.rolloverSrc;
110			});
111			//グループ内のimg要素を指定するセレクタ生成
112			var groupingImgs = $(c.groupSelector).find('img').filter(isRolloverImg);
113
114			//通常ロールオーバー
115			rolloverImgs.not(groupingImgs).hover(function(){
116				$(this).attr('src',this.rolloverSrc);
117			},function(){
118				$(this).attr('src',this.originalSrc);
119			});
120			//グループ化されたロールオーバー
121			$(c.groupSelector).hover(function(){
122				$(this).find('img').filter(isRolloverImg).each(function(){
123					$(this).attr('src',this.rolloverSrc);
124				});
125			},function(){
126				$(this).find('img').filter(isRolloverImg).each(function(){
127					$(this).attr('src',this.originalSrc);
128				});
129			});
130			//フィルタ用function
131			function isNotCurrent(i){
132				return Boolean(!this.currentSrc);
133			}
134			function isRolloverImg(i){
135				return Boolean(this.rolloverSrc);
136			}
137
138		},
139		//外部リンクは別ウインドウを設定
140		externalLink: function(options) {
141			var c = $.extend({
142				windowOpen:true,
143				externalClass: 'externalLink',
144				addIconSrc: ''
145			}, options);
146			var uri = new $.yuga.Uri(location.href);
147			var e = $('a[href^="http://"]').not('a[href^="' + uri.schema + '://' + uri.host + '/' + '"]');
148			if (c.windowOpen) {
149				e.click(function(){
150					window.open(this.href, '_blank');
151					return false;

152				});
153			}
154			if (c.addIconSrc) e.not(':has(img)').after($('<img src="'+c.addIconSrc+'" class="externalIcon" />'));
155			e.addClass(c.externalClass);
156		},
157		//画像へ直リンクするとthickboxで表示(thickbox.js利用)
158		thickbox: function() {
159			try {
160				tb_init('a[href$=".jpg"]:not(.thickbox, a[href*="?"]), a[href$=".gif"][href!="?"]:not(.thickbox, a[href*="?"]), a[href$=".png"][href!="?"]:not(.thickbox, a[href*="?"])');
161			} catch(e) {
162			}	
163		},
164		//ページ内リンクはするするスクロール
165		scroll: function(options) {
166			//ドキュメントのスクロールを制御するオブジェクト
167			var scroller = (function() {
168				var c = $.extend({
169					easing:100,
170					step:30,
171					fps:60,
172					fragment:''
173				}, options);
174				c.ms = Math.floor(1000/c.fps);
175				var timerId;
176				var param = {
177					stepCount:0,
178					startY:0,
179					endY:0,
180					lastY:0
181				};
182				//スクロール中に実行されるfunction
183				function move() {
184					if (param.stepCount == c.step) {
185						//スクロール終了時
186						setFragment(param.hrefdata.absolutePath);
187						window.scrollTo(getCurrentX(), param.endY);
188					} else if (param.lastY == getCurrentY()) {
189						//通常スクロール時
190						param.stepCount++;
191						window.scrollTo(getCurrentX(), getEasingY());
192						param.lastY = getEasingY();
193						timerId = setTimeout(move, c.ms); 
194					} else {
195						//キャンセル発生
196						if (getCurrentY()+getViewportHeight() == getDocumentHeight()) {
197							//画面下のためスクロール終了
198							setFragment(param.hrefdata.absolutePath);
199						}
200					}
201				}
202				function setFragment(path){
203					location.href = path
204				}
205				function getCurrentY() {
206					return document.body.scrollTop  || document.documentElement.scrollTop;
207				}
208				function getCurrentX() {
209					return document.body.scrollLeft  || document.documentElement.scrollLeft;
210				}
211				function getDocumentHeight(){
212					return document.documentElement.scrollHeight || document.body.scrollHeight;
213				}
214				function getViewportHeight(){
215					return (!$.browser.safari && !$.browser.opera) ? document.documentElement.clientHeight || document.body.clientHeight || document.body.scrollHeight : window.innerHeight;
216				}
217				function getEasingY() {
218					return Math.floor(getEasing(param.startY, param.endY, param.stepCount, c.step, c.easing));
219				}
220				function getEasing(start, end, stepCount, step, easing) {
221					var s = stepCount / step;
222					return (end - start) * (s + easing / (100 * Math.PI) * Math.sin(Math.PI * s)) + start;
223				}
224				return {
225					set: function(options) {
226						this.stop();
227						if (options.startY == undefined) options.startY = getCurrentY();
228						param = $.extend(param, options);
229						param.lastY = param.startY;
230						timerId = setTimeout(move, c.ms); 
231					},
232					stop: function(){
233						clearTimeout(timerId);
234						param.stepCount = 0;
235					}
236				};
237			})();
238			$('a[href^=#], area[href^=#]').not('a[href=#], area[href=#]').each(function(){
239				this.hrefdata = new $.yuga.Uri(this.getAttribute('href'));
240			}).click(function(){
241				var target = $('#'+this.hrefdata.fragment);
242				if (target.length == 0) target = $('a[name='+this.hrefdata.fragment+']');
243				if (target.length) {
244					scroller.set({
245						endY: target.offset().top,
246						hrefdata: this.hrefdata
247					});
248					return false;
249				}
250			});
251		},
252		//タブ機能
253		tab: function(options) {
254			var c = $.extend({
255				tabNavSelector:'.tabNav',
256				activeTabClass:'active'
257			}, options);
258			$(c.tabNavSelector).each(function(){
259				var tabNavList = $(this).find('a[href^=#], area[href^=#]');
260				var tabBodyList;
261				tabNavList.each(function(){
262					this.hrefdata = new $.yuga.Uri(this.getAttribute('href'));
263					var selecter = '#'+this.hrefdata.fragment;
264					if (tabBodyList) {
265						tabBodyList = tabBodyList.add(selecter);
266					} else {
267						tabBodyList = $(selecter);
268					}
269					$(this).unbind('click');
270					$(this).click(function(){
271						tabNavList.removeClass(c.activeTabClass);
272						$(this).addClass(c.activeTabClass);
273						tabBodyList.hide();
274						$(selecter).show();
275						return false;

276					});
277				});
278				tabBodyList.hide()
279				tabNavList.filter(':first').trigger('click');
280			});
281		},
282		//奇数、偶数を自動追加
283		stripe: function(options) {
284			var c = $.extend({
285				oddClass:'odd',
286				evenClass:'even'
287			}, options);
288			$('ul, ol').each(function(){
289				//JSでは0から数えるのでevenとaddを逆に指定
290				$(this).children('li:odd').addClass(c.evenClass);
291				$(this).children('li:even').addClass(c.oddClass);
292			});
293			$('table, tbody').each(function(){
294				$(this).children('tr:odd').addClass(c.evenClass);
295				$(this).children('tr:even').addClass(c.oddClass);
296			});
297		},
298		//css3のクラスを追加
299		css3class: function() {
300			//:first-child, :last-childをクラスとして追加
301			$('body :first-child').addClass('firstChild');
302			$('body :last-child').addClass('lastChild');
303			//css3の:emptyをクラスとして追加
304			$('body :empty').addClass('empty');
305		}
306	};
307})(jQuery);