/*
    gallery
*/


var gallery = {
    
    nbSlide : 0,
    nbCurrent : 1,
    elemCurrent : null,
    elem : null,
    timer : null,
    
    init : function(elem){
        this.nbSlide = elem.find(".slide").length;
        
        // Créer la pagination
        elem.append('<div id="prec"></div><div id="next"></div><div class="navigation"></div>');
        for(var i=1;i<=this.nbSlide;i++){
            elem.find(".navigation").append("<span>"+i+"</span>");
        }
        elem.find(".navigation span").click(function(){gallery.gotoSlide($(this).text()); })
        elem.find("#prec").click(function(){gallery.prev($(this).text()); })
        elem.find("#next").click(function(){gallery.next($(this).text()); })
        
        // Initialisation  gallery
        this.elem=elem;
        elem.find(".slide").hide();
        elem.find(".slide:first").show();
        this.elemCurrent = elem.find(".slide:first");
        this.elem.find(".navigation").css("opacity",0.6);   // On rend la navigation opaque
        this.elem.find(".navigation span:first").addClass("active");
        
        // On créé le timer
        gallery.play();
        // Stop quand on passe dessus
        elem.mouseover(gallery.stop);
        elem.mouseout(gallery.play);
    },
    
    gotoSlide : function(num){
        if(num==this.nbCurrent){ return false; }

        /*
        Animation Titre + Fadein/Out sur la div visu
        */
        this.elemCurrent.find(".visu").fadeOut();
        this.elem.find("#slide"+num).show();
        this.elem.find("#slide"+num+" .visu").hide().fadeIn();
        var titleHeight = this.elemCurrent.find(".title").height();
        this.elemCurrent.find(".title").animate({"bottom": -titleHeight},500);
        this.elem.find("#slide"+num+" .title").css("bottom",-titleHeight).animate({"bottom": 0},500);
        //*/
		
        
        
        this.elem.find(".navigation span").removeClass("active");
        this.elem.find(".navigation span:eq("+(num-1)+")").addClass("active");
        this.nbCurrent = num;
        this.elemCurrent = this.elem.find("#slide"+num);
    },
    
    next : function(){
        var num  = this.nbCurrent+1;
        if(num  >this.nbSlide){
            num  = 1;
        }
        this.gotoSlide(num);
    },
    prev : function(){
        var num  = this.nbCurrent-1;
        if(num< 1){
            num= this.nbSlide;
        }
        this.gotoSlide(num);
    },
    stop : function(){
        window.clearInterval(gallery.timer);
    },
    play : function(){
        window.clearInterval(gallery.timer);
        gallery.timer = window.setInterval("gallery.next()",5000);
    }

}

$(function(){
    gallery.init($("#gallery"));
});