/* ==========================================================
 * MobilySlider
 * date: 20.1.2010
 * author: Marcin Dziewulski
 * last update: 02.02.2011
 * web: http://www.mobily.pl or http://playground.mobily.pl
 * email: hello@mobily.pl
 * Free to use under the MIT license.
 * ========================================================== */
(function($){
    $.fn.mobilyslider=function(options){
        var defaults={
            content:".sliderContent",
            children:"div",
            transition:"horizontal",
            animationSpeed:300,
            autoplay:false,
            autoplaySpeed:3000,
            pauseOnHover:false,
            bullets:true,
            arrows:true,
            arrowsHide:true,
            prev:"prev",
            next:"next",
            animationStart:function(){},
            animationComplete:function(){}
        };
        var sets=$.extend({},defaults,options);
        return this.each(function(){
            var $t=$(this),
            item=$t.children(sets.content).children(sets.children),
            l=item.length-1,w=item.width(),
            h=item.height(),
            step=0,
            play,bullets,arrows,z,active,bullet;
            var slider={
                init:function(){
                    slider.data();
                    if(sets.bullets){
                        slider.bullets.create()
                    }
                    if(sets.arrows){
                        slider.arrows.create()
                    }
                    if(sets.autoplay){
                        slider.autoplay()
                    }
                    slider.triggers()
                },
                data:function(){
                    item.each(
                        function(i){
                        $(this).css("z-index",-(i-l))});
                        if(sets.transition=="fade"){
                            item.hide().eq(0).show()
                        }
                    },
                    zindex:{
                        prev:function(){
                            step==l?item.eq(0).css("z-index",l+3):item.css("z-index",l+1);
                            item.eq(step).css("z-index",l+4).next(item).css("z-index",l+2)},
                            next:function(){
                                item.css("z-index",l+1).eq(step).css("z-index",l+3).prev(item).css("z-index",l+2)
                            },
                            bullets:function(){
                                item.css("z-index",l+1).eq(active).css("z-index",l+2);
                                item.eq(step).css("z-index",l+3)
                            },
                            trigger:function(){
                                if(z==1){
                                    slider.zindex.next()
                                }else{
                                    if(z==-1){
                                        slider.zindex.prev()
                                    }else{
                                        if(z==0){slider.zindex.bullets()}
                                    }
                                }
                            }
                        },
                        slide:{
                            left:function(sign){
                                sets.animationStart.call(this);
                                item.eq(step).animate({left:sign+"="+w},sets.animationSpeed,
                                function(){
                                    slider.zindex.trigger()
                                }).animate({left:0},sets.animationSpeed+200,
                                function(){
                                    sets.animationComplete.call(this)
                                })
                            },top:function(sign){
                                sets.animationStart.call(this);
                                item.eq(step).animate({top:sign+"="+h},sets.animationSpeed,
                                function(){
                                    slider.zindex.trigger()
                                }).animate({top:0},sets.animationSpeed+200,
                                function(){
                                    sets.animationComplete.call(this)
                                })
                            },fade:function(){
                                sets.animationStart.call(this);
                                item.fadeOut(sets.animationSpeed).eq(step).fadeIn(sets.animationSpeed,
                                function(){
                                    sets.animationComplete.call(this)
                                })
                            }
                        },animation:{
                            previous:function(){
                                step==0?step=l:step--;z=-1;
                                switch(sets.transition){
                                    case"horizontal":slider.slide.left("-");
                                    break;case"vertical":slider.slide.top("+");
                                    break;case"fade":slider.slide.fade();
                                    break
                                }
                            },next:function(){
                                step==l?step=0:step++;z=1;
                                switch(sets.transition){
                                    case"horizontal":slider.slide.left("+");
                                    break;case"vertical":slider.slide.top("-");
                                    break;case"fade":slider.slide.fade();
                                    break
                                }
                            }
                        },autoplay:function(){
                            play=setInterval(function(){
                                slider.animation.next();
                                if(sets.bullets){
                                    setTimeout(function(){
                                        slider.bullets.update()},
                                        sets.animationSpeed+300)
                                    }
                                },sets.autoplaySpeed)
                            },pause:function(){
                                clearInterval(play)
                            },bullets:{
                                create:function(){
                                    $t.append($("<div />").addClass("sliderBullets"));
                                    bullets=$t.find(".sliderBullets");
                                    for(i=0;i<=l;i++){
                                        bullets.append($("<a />").attr({href:"#",rel:i}).text(i))
                                    }
                                },trigger:function(){
                                    bullet=bullets.find("a");
                                    bullet.eq(0).addClass("active");
                                    bullet.click(function(){
                                        var b=$(this),rel=b.attr("rel");
                                        active=bullet.filter(".active").attr("rel");
                                        step=rel;sign=rel>active?"+":"-";z=0;
                                        if(!b.hasClass("active")){
                                            switch(sets.transition){
                                                case"horizontal":slider.slide.left(sign);
                                                break;
                                                case"vertical":slider.slide.top(sign);
                                                break;
                                                case"fade":slider.slide.fade();
                                                break
                                            }
                                        }bullet.removeClass("active");
                                        b.addClass("active");
                                        return false
                                    })
                                },update:function(){
                                    bullet.removeClass("active").eq(step).addClass("active")
                                }
                            },arrows:{
                                create:function(){
                                    $t.append($("<div />").addClass("sliderArrows"));
                                    arrows=$t.find(".sliderArrows");
                                    arrows.append($("<a />").attr("href","#").addClass(sets.prev).text("Previous"));
                                    arrows.append($("<a />").attr("href","#").addClass(sets.next).text("Next"))},
                                    trigger:function(){
                                        arrows.find("."+sets.prev).click(function(){
                                            slider.animation.previous();
                                            if(sets.bullets){
                                                slider.bullets.update()
                                            }return false
                                        });
                                        arrows.find("."+sets.next).click(function(){
                                            slider.animation.next();
                                            if(sets.bullets){slider.bullets.update()
                                        }return false
                                    });
                                    if(sets.arrowsHide){
                                        arrows.hide();
                                        $t.hover(function(){
                                            arrows.show()
                                        },function(){arrows.hide()})
                                    }
                                }
                            },triggers:function(){
                                if(sets.arrows){
                                    slider.arrows.trigger()
                                }
                                if(sets.bullets){slider.bullets.trigger()
                            }if(sets.pauseOnHover){
                                $t.hover(function(){
                                    slider.pause()},function(){
                                         slider.autoplay()
                                     })
                                 }
                            }
                        };slider.init()
                    })
                }
            }(jQuery)
);