https://www.juicegrape.com/Javascript/easySlider1.7.js

1/*
2 * 	Easy Slider 1.7 - jQuery plugin
3 *	written by Alen Grakalic	
4 *	http://cssglobe.com/post/4004/easy-slider-15-the-easiest-jquery-plugin-for-sliding
5 *
6 *	Copyright (c) 2009 Alen Grakalic (http://cssglobe.com)
7 *	Dual licensed under the MIT (MIT-LICENSE.txt)
8 *	and GPL (GPL-LICENSE.txt) licenses.
9 *
10 *	Built for jQuery library
11 *	http://jquery.com
12 *
13 */
14 
15(function($) {
16
17	$.fn.easySlider = function(options){
18	  
19		// default configuration properties
20		var defaults = {			
21			prevId: 		'prevBtn',
22			prevText: 		'Previous',
23			nextId: 		'nextBtn',	
24			nextText: 		'Next',
25			controlsShow:	true,
26			controlsBefore:	'',
27			controlsAfter:	'',	
28			controlsFade:	true,
29			firstId: 		'firstBtn',
30			firstText: 		'First',
31			firstShow:		false,
32			lastId: 		'lastBtn',	
33			lastText: 		'Last',
34			lastShow:		false,				
35			vertical:		false,
36			speed: 			800,
37			auto:			false,
38			pause:			2000,
39			continuous:		false, 
40			numeric: 		false,
41			numericId: 		'controls'
42		}; 
43		
44		var options = $.extend(defaults, options);  
45				
46		this.each(function() {  
47			var obj = $(this); 				
48			var s = $("li", obj).length;
49			var w = $("li", obj).width(); 
50			var h = $("li", obj).height(); 
51			var clickable = true;
52			obj.width(w); 
53			obj.height(h); 
54			obj.css("overflow","hidden");
55			var ts = s-1;
56			var t = 0;
57			$("ul", obj).css('width',s*w);			
58			
59			if(options.continuous){
60				$("ul", obj).prepend($("ul li:last-child", obj).clone().css("margin-left","-"+ w +"px"));
61				$("ul", obj).append($("ul li:nth-child(2)", obj).clone());
62				$("ul", obj).css('width',(s+1)*w);
63			};				
64			
65			if(!options.vertical) $("li", obj).css('float','left');
66								
67			if(options.controlsShow){
68				var html = options.controlsBefore;				
69				if(options.numeric){
70					html += '<ol id="'+ options.numericId +'"></ol>';
71				} else {
72					if(options.firstShow) html += '<span id="'+ options.firstId +'"><a href=\"javascript:void(0);\">'+ options.firstText +'</a></span>';
73					html += ' <span id="'+ options.prevId +'"><a href=\"javascript:void(0);\">'+ options.prevText +'</a></span>';
74					html += ' <span id="'+ options.nextId +'"><a href=\"javascript:void(0);\">'+ options.nextText +'</a></span>';
75					if(options.lastShow) html += ' <span id="'+ options.lastId +'"><a href=\"javascript:void(0);\">'+ options.lastText +'</a></span>';				
76				};
77				
78				html += options.controlsAfter;						
79				$(obj).after(html);										
80			};
81			
82			if(options.numeric){									
83				for(var i=0;i<s;i++){						
84					$(document.createElement("li"))
85						.attr('id',options.numericId + (i+1))
86						.html('<a rel='+ i +' href=\"javascript:void(0);\">'+ (i+1) +'</a>')
87						.appendTo($("#"+ options.numericId))
88						.click(function(){							
89							animate($("a",$(this)).attr('rel'),true);
90						}); 												
91				};							
92			} else {
93				$("a","#"+options.nextId).click(function(){		
94					animate("next",true);
95				});
96				$("a","#"+options.prevId).click(function(){		
97					animate("prev",true);				
98				});	
99				$("a","#"+options.firstId).click(function(){		
100					animate("first",true);
101				});				
102				$("a","#"+options.lastId).click(function(){		
103					animate("last",true);				
104				});				
105			};
106			
107			function setCurrent(i){
108				i = parseInt(i)+1;
109				$("li", "#" + options.numericId).removeClass("current");
110				$("li#" + options.numericId + i).addClass("current");
111			};
112			
113			function adjust(){
114				if(t>ts) t=0;		
115				if(t<0) t=ts;	
116				if(!options.vertical) {
117					$("ul",obj).css("margin-left",(t*w*-1));
118				} else {
119					$("ul",obj).css("margin-left",(t*h*-1));
120				}
121				clickable = true;
122				if(options.numeric) setCurrent(t);
123			};
124			
125			function animate(dir,clicked){
126				if (clickable){
127					clickable = false;
128					var ot = t;				
129					switch(dir){
130						case "next":
131							t = (ot>=ts) ? (options.continuous ? t+1 : ts) : t+1;						
132							break; 
133						case "prev":
134							t = (t<=0) ? (options.continuous ? t-1 : 0) : t-1;
135							break; 
136						case "first":
137							t = 0;
138							break; 
139						case "last":
140							t = ts;
141							break; 
142						default:
143							t = dir;
144							break; 
145					};	
146					var diff = Math.abs(ot-t);
147					var speed = diff*options.speed;						
148					if(!options.vertical) {
149						p = (t*w*-1);
150						$("ul",obj).animate(
151							{ marginLeft: p }, 
152							{ queue:false, duration:speed, complete:adjust }
153						);				
154					} else {
155						p = (t*h*-1);
156						$("ul",obj).animate(
157							{ marginTop: p }, 
158							{ queue:false, duration:speed, complete:adjust }
159						);					
160					};
161					
162					if(!options.continuous && options.controlsFade){					
163						if(t==ts){
164							$("a","#"+options.nextId).hide();
165							$("a","#"+options.lastId).hide();
166						} else {
167							$("a","#"+options.nextId).show();
168							$("a","#"+options.lastId).show();					
169						};
170						if(t==0){
171							$("a","#"+options.prevId).hide();
172							$("a","#"+options.firstId).hide();
173						} else {
174							$("a","#"+options.prevId).show();
175							$("a","#"+options.firstId).show();
176						};					
177					};				
178					
179					if(clicked) clearTimeout(timeout);
180					if(options.auto && dir=="next" && !clicked){;
181						timeout = setTimeout(function(){
182							animate("next",false);
183						},diff*options.speed+options.pause);
184					};
185			
186				};
187				
188			};
189			// init
190			var timeout;
191			if(options.auto){;
192				timeout = setTimeout(function(){
193					animate("next",false);
194				},options.pause);
195			};		
196			
197			if(options.numeric) setCurrent(0);
198		
199			if(!options.continuous && options.controlsFade){					
200				$("a","#"+options.prevId).hide();
201				$("a","#"+options.firstId).hide();				
202			};				
203			
204		});
205	  
206	};
207
208})(jQuery);