/*
 * 	Easy Slider - jQuery plugin
 *	written by Alen Grakalic	
 *	http://cssglobe.com/post/3783/jquery-plugin-easy-image-or-content-slider
 *
 *	Copyright (c) 2009 Alen Grakalic (http://cssglobe.com)
 *	Dual licensed under the MIT (MIT-LICENSE.txt)
 *	and GPL (GPL-LICENSE.txt) licenses.
 *
 *	Built for jQuery library
 *	http://jquery.com
 *
 */

// -- Paramétre de défilement des slides -- //
var delayLength = 10000;
var sens = "next";
var intervalSlidesPrev = "";
var intervalSlidesNext = "";
// ---------------------------------------- //

(function($) {

	$.fn.easySlider = function(options){
	  
		// default configuration properties
		var defaults = {
			prevId: 		'prevBtn',
			prevText: 		'Previous',
			nextId: 		'nextBtn',	
			nextText: 		'Next',
			orientation:	'', //  'vertical' is optional;
			speed: 			800,
			currentPage:	1
		}; 
		
		var options = $.extend(defaults, options);  
		
		return this.each(function() {  
			obj = $(this); 				
			var s = $("li", obj).length;
			var w = obj.width(); 
			var h = obj.height(); 
			var ts = s-1;
			var t = 0;
			var vertical = (options.orientation == 'vertical');
			$("ul", obj).css('width',s*w);			
			if(!vertical) $("li", obj).css('float','left');					
			$("a","#"+options.nextId).click(function(){
				animate("next");	
				if (t>=ts) {
					sens = "prev"; 
					clearInterval(intervalSlides);
					intervalSlidesNext = setInterval(function(){
						animate(sens);
					}, delayLength);
				}
			});
			$("a","#"+options.prevId).click(function(){		
				animate("prev");
				if (t>=ts) 
				{
					sens = "next";
					clearInterval(intervalSlides);
					intervalSlidesPrev = setInterval(function(){
						animate(sens);
					}, delayLength);
				}
				else sens = "prev";
			});	

			function animate(dir)
			{
				if(dir == "next")
				{
					t = (t>=ts) ? ts : t+1;	
					// -- Change le sens de defilement -- //
					if (t>=ts) sens = "prev";
				} 
				else 
				{
					t = (t<=0) ? 0 : t-1;
					// -- Change le sens de defilement -- //
					if (t<=0) sens = "next";
				};
				
				if(!vertical) 
				{
					p = (t*w*-1);
					$("ul",obj).animate(
						{ marginLeft: p }, 
						options.speed
					);				
				} 
				else 
				{
					p = (t*h*-1);
					$("ul",obj).animate(
						{ marginTop: p }, 
						options.speed
					);					
				}
				
				if(dir == "next")
				{
					if(options.currentPage < pagesTotalCalendrier)
					{
						options.currentPage++;
					}
				}
				else
				{
					if(options.currentPage >= pagesTotalCalendrier && options.currentPage != 1)
					{
						options.currentPage--;
					}
				}
				
				jQuery('#currentPage').html(options.currentPage);
			};
			
			// -- Defiler les slides -- //
			var intervalSlides = setInterval(function(){
									animate(sens);
								}, delayLength);
			// ------------------------ //
		});
	  
	};

})(jQuery);