/*
 * ntg_marquesina
 * written by Hrodrigu
 * http://www.newtenberg.com
 * 2010-11-17
 * GPL (GPL-LICENSE.txt) licenses.
 *
 * Built for jQuery library
 * Depends jqueryui when you use effects
 * http://jquery.com
 */

/*
 *
 *	markup example for $("#marquesina").ntg_marquesina();
 *
 *	<div id="marquesina">
 *		<ul class="accesos-directos">
 *			<li><a href="#">texto 1</a></li>
 *			...
 *			<li><a href="#">texto n</a></li>
 *		</ul>
 *		<div>
 *		</div>
 *		<div>
 *		</div>
 *		 ...
 *		 <div>
 *		 </div>
 *	</div>
 */

(function($){
	$.fn.ntg_marquesina = function(options){
		// default configuration properties
		var defaults = {
				clickEvent: true,
				hoverEvent:false,
				duration : 2000,
				animation: 500 ,
				currentClass: 'current'
			};
		var options = $.extend(defaults, options);
		var current = 0;
		var total;
		this.each(function(){
			var obj = this;
			total = $(obj).children('div').length;
			obj.salto_pagina = function(numero){
				obj.busy = true;
				clearTimeout(obj.timeout);
				numero = numero % total;
				$(obj).children('div:eq(' + current +')').hide("fade",{},options.animation, function(){
					$(obj).children('div:eq(' +numero + ')').show("fade",{},options.animation, function(){
							obj.timeout = setTimeout(function(){
									obj.siguiente_pagina();
									}, options.duration);
							obj.setCurrent(numero);
							obj.clicked = false;
							obj.busy = false;
					  });
				});
				current = numero;
			}
			obj.siguiente_pagina = function(){
				this.salto_pagina(current + 1);
			}
			obj.anterior_pagina = function(){
				this.salto_pagina(current - 1);
			}
			obj.setCurrent = function(numero){
						$("ul.accesos-directos > li ",obj).removeClass(options.currentClass);
						$("ul.accesos-directos > li:eq(" + numero + ") ",obj).addClass(options.currentClass);
			}
			$(obj).children('div').hide();
			$(obj).children('div:eq(0)').show("fade",{}, options.animation);
			$("ul.accesos-directos > li > a", obj).each(function(index){
					if(options.hoverEvent){
						$(this).hover(function(){
							if(!obj.clicked && !obj.busy){
							obj.salto_pagina(index);
							}
							return false;
						});
					}	
					if(options.clickEvent){
						$(this).click(function(){
							if(!obj.clicked && !obj.busy){
								obj.clicked = true;
								obj.salto_pagina(index);
							}
							return false;
						});
					}
			});
			obj.timeout = setTimeout(function(){
					obj.siguiente_pagina();
					}, options.duration);
		});
	};
})(jQuery);