/source/gl/js/easySlider1.5.js

  1/*
  2 * 	Easy Slider 1.5 - 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/*
 16 *	markup example for $("#slider").easySlider();
 17 *	
 18 * 	<div id="slider">
 19 *		<ul>
 20 *			<li><img src="images/01.jpg" alt="" /></li>
 21 *			<li><img src="images/02.jpg" alt="" /></li>
 22 *			<li><img src="images/03.jpg" alt="" /></li>
 23 *			<li><img src="images/04.jpg" alt="" /></li>
 24 *			<li><img src="images/05.jpg" alt="" /></li>
 25 *		</ul>
 26 *	</div>
 27 *
 28 */
 29
 30(function($) {
 31
 32	$.fn.easySlider = function(options){
 33	  
 34		// default configuration properties
 35		var defaults = {			
 36			prevId: 		'prevBtn',
 37			prevText: 		'Previous',
 38			nextId: 		'nextBtn',	
 39			nextText: 		'Next',
 40			controlsShow:	true,
 41			controlsBefore:	'',
 42			controlsAfter:	'',	
 43			controlsFade:	true,
 44			firstId: 		'firstBtn',
 45			firstText: 		'First',
 46			firstShow:		false,
 47			lastId: 		'lastBtn',	
 48			lastText: 		'Last',
 49			lastShow:		false,				
 50			vertical:		false,
 51			speed: 			800,
 52			auto:			false,
 53			pause:			2000,
 54			continuous:		false
 55		}; 
 56		
 57		var options = $.extend(defaults, options);  
 58				
 59		this.each(function() {  
 60			var obj = $(this); 				
 61			var s = $("li", obj).length;
 62			var w = $("li", obj).width(); 
 63			var h = $("li", obj).height(); 
 64			obj.width(w); 
 65			obj.height(h); 
 66			obj.css("overflow","hidden");
 67			var ts = s-1;
 68			var t = 0;
 69			$("ul", obj).css('width',s*w);			
 70			if(!options.vertical) $("li", obj).css('float','left');
 71			
 72			if(options.controlsShow){
 73				var html = options.controlsBefore;
 74				if(options.firstShow) html += '<span id="'+ options.firstId +'"><a href=\"javascript:void(0);\">'+ options.firstText +'</a></span>';
 75				html += ' <span id="'+ options.prevId +'"><a href=\"javascript:void(0);\">'+ options.prevText +'</a></span>';
 76				html += ' <span id="'+ options.nextId +'"><a href=\"javascript:void(0);\">'+ options.nextText +'</a></span>';
 77				if(options.lastShow) html += ' <span id="'+ options.lastId +'"><a href=\"javascript:void(0);\">'+ options.lastText +'</a></span>';
 78				html += options.controlsAfter;						
 79				$(obj).after(html);										
 80			};
 81	
 82			$("a","#"+options.nextId).click(function(){		
 83				animate("next",true);
 84			});
 85			$("a","#"+options.prevId).click(function(){		
 86				animate("prev",true);				
 87			});	
 88			$("a","#"+options.firstId).click(function(){		
 89				animate("first",true);
 90			});				
 91			$("a","#"+options.lastId).click(function(){		
 92				animate("last",true);				
 93			});		
 94			
 95			function animate(dir,clicked){
 96				var ot = t;				
 97				switch(dir){
 98					case "next":
 99						t = (ot>=ts) ? (options.continuous ? 0 : ts) : t+1;						
100						break; 
101					case "prev":
102						t = (t<=0) ? (options.continuous ? ts : 0) : t-1;
103						break; 
104					case "first":
105						t = 0;
106						break; 
107					case "last":
108						t = ts;
109						break; 
110					default:
111						break; 
112				};	
113				
114				var diff = Math.abs(ot-t);
115				var speed = diff*options.speed;						
116				if(!options.vertical) {
117					p = (t*w*-1);
118					$("ul",obj).animate(
119						{ marginLeft: p }, 
120						speed
121					);				
122				} else {
123					p = (t*h*-1);
124					$("ul",obj).animate(
125						{ marginTop: p }, 
126						speed
127					);					
128				};
129				
130				if(!options.continuous && options.controlsFade){					
131					if(t==ts){
132						$("a","#"+options.nextId).hide();
133						$("a","#"+options.lastId).hide();
134					} else {
135						$("a","#"+options.nextId).show();
136						$("a","#"+options.lastId).show();					
137					};
138					if(t==0){
139						$("a","#"+options.prevId).hide();
140						$("a","#"+options.firstId).hide();
141					} else {
142						$("a","#"+options.prevId).show();
143						$("a","#"+options.firstId).show();
144					};					
145				};				
146				
147				if(clicked) clearTimeout(timeout);
148				if(options.auto && dir=="next" && !clicked){;
149					timeout = setTimeout(function(){
150						animate("next",false);
151					},diff*options.speed+options.pause);
152				};
153				
154			};
155			// init
156			var timeout;
157			if(options.auto){;
158				timeout = setTimeout(function(){
159					animate("next",false);
160				},options.pause);
161			};		
162		
163			if(!options.continuous && options.controlsFade){					
164				$("a","#"+options.prevId).hide();
165				$("a","#"+options.firstId).hide();				
166			};				
167			
168		});
169	  
170	};
171
172})(jQuery);
173
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175