/**
 * wSlide 0.1 - http://www.webinventif.fr/wslide-plugin/
 * 
 * Rendez vos sites glissant !
 *
 * Copyright (c) 2008 Julien Chauvin (webinventif.fr)
 * Licensed under the Creative Commons License:
 * http://creativecommons.org/licenses/by/3.0/
 *
 * Date: 2008-01-27
 */
(function($){
    $.fn.wslide = function(h){
        h = jQuery.extend({
            width: 150,
			height: 150,
			pos: 1,
			col: 1,
			effect: 'swing',
			fade: false,
			horiz: false,
			autolink: true,
			duration: 1500
        }, h);
        function gogogo(g){
            g.each(function(i){
                var a = $(this);
				var uniqid = a.attr('id');
				if(uniqid == undefined){
					uniqid = 'wslide'+i;
				}
				$(this).wrap('<div class="wslide-wrap" id="'+uniqid+'-wrap"></div>');
				
				//var compteur
				var nbPanel = 0;
				
				//Création des flêches
				$(this).before('<div class="wslide-arrow left-arrow-slide" id="'+uniqid+'-wrap-arrow-left"><img src="http://graphics8.nytimes.com/images/tmagazine/slideshow/btn_prev.png" alt="next"></div>');
				$(this).before('<div class="wslide-arrow right-arrow-slide" id="'+uniqid+'-wrap-arrow-right"><img src="http://graphics8.nytimes.com/images/tmagazine/slideshow/btn_next.png" alt="next"></div>');
				
				//On cache par default
				show_hide_arrows(false);
				
				function show_hide_arrows(p_sh){
					if(p_sh){
						$('#'+uniqid+'-wrap-arrow-left').show();
						$('#'+uniqid+'-wrap-arrow-right').show();
					}else{
						$('#'+uniqid+'-wrap-arrow-left').hide();
						$('#'+uniqid+'-wrap-arrow-right').hide();
					}
				}
				$('#'+uniqid+'-wrap').mouseover(function(){show_hide_arrows(true);});
				$('#'+uniqid+'-wrap').mouseout(function(){show_hide_arrows(false);});

				a = $('#'+uniqid+'-wrap');
				var b = a.find('ul li');
               	var effets = h.effect;
				if(jQuery.easing.easeInQuad == undefined && (effets!='swing' || effets!='normal')){
					effets = 'swing';
				}
				var typex = h.width;
				var typey = h.height;
				
				
				function resultante(prop){
					var tempcalc = prop;
					tempcalc = tempcalc.split('px');
					tempcalc = tempcalc[0];
					return Number(tempcalc);
				}
				var litypex = typex-(resultante(b.css('padding-left'))+resultante(b.css('padding-right')));
				var litypey = typey-(resultante(b.css('padding-top'))+resultante(b.css('padding-bottom')));
				var col = h.col;
				if(h.horiz){
					col =  Number(b.length+1);
				}
				var manip = '';
				var ligne = Math.ceil(Number(b.length)/col);
				a.css('overflow','hidden').css('position','relative').css('text-align','left').css('height',typey+'px').css('width',typex+'px').css('margin','0').css('padding','0');
				a.find('ul').css('position','absolute').css('margin','0').css('padding','0').css('width',Number((col+0)*typex)+'px').css('height',Number(ligne*typey)+'px');
				b.css('display','block').css('overflow','hidden').css('float','left').css('height',litypey+'px').css('width',litypex+'px');
				b.each(function (i) {
					var offset = a.offset();
					var thisoffset = $(this).offset();
					$(this).attr('id',uniqid+'-'+Number(i+1)).attr('rel', Number(thisoffset.left-offset.left)+':'+Number(thisoffset.top-offset.top));
					manip += ' <a href="#'+uniqid+'-'+Number(i+1)+'">'+Number(i+1)+'</a>';
					nbPanel++;
				});
				
				if(typeof h.autolink == 'boolean'){
					if(h.autolink){
						a.after('<div class="wslide-menu" id="'+uniqid+'-menu">'+manip+'</div>');
					}
				}else if (typeof h.autolink == 'string'){
					if($('#'+h.autolink).length){
						$('#'+h.autolink).html(manip);
					}else{
						a.after('<div id="#'+h.autolink+'">'+manip+'</div>');
					}
				}
				var start = '#'+uniqid+'-';
				var stoccurent = "";
				
				//FUNCTION IDPARENT
				function idParent(p_stoccurent, p_direction){
					tri = p_stoccurent.split('-');
					if(p_direction == 'left'){
						if(tri[1]-1!=0){			
							tri = tri[0]+'-'+(tri[1]-1);
						}else{
							tri = tri[0]+'-'+(nbPanel);
						}
					}else{
						if(parseInt(tri[1])+1 != nbPanel+1){
							tri = tri[0]+'-'+(parseInt(tri[1])+1);
						}else{
							tri = tri[0]+'-'+1;
						}
					}
					return tri;
				};
				
				//FUNCTION DECAL
				function decalage(tri){			
					var decal = $(tri).attr('rel');
					decal = decal.split(':');
					var decal2 = decal[1];
					decal2 = -decal2;
					decal = decal[0];
					decal = -decal;
					if(h.fade){
						a.find('ul').animate({ opacity: 0 }, h.duration/2, effets, function(){$(tri).css('top',decal2+'px').css('left',decal+'px');$(tri).animate({ opacity: 1 }, h.duration/2, effets)} );
					}else{
						a.find('ul').animate({ top: decal2+'px',left: decal+'px' }, h.duration, effets );
					}
				};
				
				//CLIC ARROW LEFT
				$('#'+uniqid+'-wrap-arrow-left').click(function(){
					
					var tri = idParent(stoccurent, 'left');
					$('a[href*="'+tri+'"]').addClass("wactive");
					$('a[href*="'+stoccurent+'"]').removeClass("wactive");
					stoccurent = tri;
					decalage(tri);
					return false;
				});
				//CLIC ARROW RIGHT
				$('#'+uniqid+'-wrap-arrow-right').click(function(){
					
					var tri = idParent(stoccurent, 'right');
					$('a[href*="'+tri+'"]').addClass("wactive");
					$('a[href*="'+stoccurent+'"]').removeClass("wactive");
					stoccurent = tri;
					decalage(tri);
					return false;
				});
				
				//CLIC LINK
				$('a[href*="'+start+'"]').click(function () { 
						$('a[href*="'+stoccurent+'"]').removeClass("wactive");
						$(this).addClass("wactive");
						var tri = $(this).attr('href');
						tri=tri.split('#');
						tri='#'+tri[1];
						stoccurent = tri;
						var decal = $(tri).attr('rel');
						decal = decal.split(':');
						var decal2 = decal[1];
						decal2 = -decal2;
						decal = decal[0];
						decal = -decal;
						if(h.fade){
							a.find('ul').animate({ opacity: 0 }, h.duration/2, effets, function(){$(this).css('top',decal2+'px').css('left',decal+'px');$(this).animate({ opacity: 1 }, h.duration/2, effets)} );
						}else{
							a.find('ul').animate({ top: decal2+'px',left: decal+'px' }, h.duration, effets );
						}
						return false;
				});
				
				
				
				if(h.pos <= 0){
					h.pos = 1;
				}
				
				
				
				$('a[href$="'+start+h.pos+'"]').addClass("wactive");
				var tri = $('a[href*="'+start+'"]:eq('+Number(h.pos-1)+')').attr('href');
				tri=tri.split('#');
				tri='#'+tri[1];
				stoccurent = tri;
				var decal = $(tri).attr('rel');
				decal = decal.split(':');
				var decal2 = decal[1];
				decal2 = -decal2;
				decal = decal[0];
				decal = -decal;
				a.find('ul').css('top',decal2+'px').css('left',decal+'px');

            })
        }
        gogogo(this);
		return this;
    }
})(jQuery);