/**
* Name: piroBox v.1.2.2
* Date: May 2010
* Autor: Diego Valobra (http://www.pirolab.it),(http://www.diegovalobra.com)
* Version: 1.2.2
* Licence: CC-BY-SA http://creativecommons.org/licenses/by-sa/2.5/it/
**/

(function($) {
    $.fn.piroBox = function(opt) {
        opt = jQuery.extend({
        my_speed : null,
        close_speed : 300,
        bg_alpha : 0.5,
        close_all : '.piro_close,.piro_overlay',
        slideShow : null,
        slideSpeed : null
        }, opt);

        function start_pirobox() {
          var corners = 
              '<tr>'+                      
              '<td colspan="3" class="pirobox_up"></td>'+
              '</tr>'+  
              '<tr>'+   
              '<td class="t_l"></td>'+
              '<td class="t_c"></td>'+
              '<td class="t_r"></td>'+
              '</tr>'+
              '<tr>'+
              '<td class="c_l"></td>'+
              '<td class="c_c"><span><span></span></span><div></div></td>'+
              '<td class="c_r"></td>'+
              '</tr>'+
              '<tr>'+
              '<td class="b_l"></td>'+
              '<td class="b_c"></td>'+
              '<td class="b_r"></td>'+
              '</tr>'+
              '<tr>'+
              '<td colspan="3" class="pirobox_down"></td>'+
              '</tr>';
            var window_height =  $(document).height();
            var bg_overlay = $(jQuery('<div class="piro_overlay"></div>').hide().css({'opacity':+opt.bg_alpha,'height':window_height+'px'}));
            var main_cont = $(jQuery('<table class="pirobox_content" cellpadding="0" cellspacing="0"></table>'));
            var caption1 = $(jQuery('<div class="caption1"></div>'));
            var piro_nav = $(jQuery('<div class="piro_nav"></div>'));
            var piro_close = $(jQuery('<a href="#close" class="piro_close" title="close"></a>'));
            var piro_play = $(jQuery('<a href="#play" class="play" title="play slideshow"></a>'));
            var piro_stop = $(jQuery('<a href="#stop" class="stop" title="stop slideshow"></a>'));
            var piro_prev = $(jQuery('<a href="#prev" class="piro_prev" title="previous image"></a>'));
            var piro_next = $(jQuery('<a href="#next" class="piro_next" title="next image"></a>'));             
            $('body').append(bg_overlay).append(main_cont);
            main_cont.append(corners);
            $('.pirobox_up').append(piro_close);
            $('.pirobox_down').append(piro_nav);
            $('.pirobox_down').append(piro_play);
            piro_play.hide();
            $('.pirobox_down').append(piro_prev).append(piro_next);
            piro_nav.append(caption1);
            var my_nav_w = piro_prev.width();
            main_cont.hide();
            var my_gall_classes = $("a[class^='pirobox']");
            var map = new Object();
                for (var i=0; i<my_gall_classes.length; i++) {
                    var it=$(my_gall_classes[i])
                    map['a.'+it.attr('class')]=0;
                }
            var gall_settings = new Array();
                for (var key in map) {
                    gall_settings.push(key);
                }
                for (var i=0; i<gall_settings.length; i++) {
                    $(gall_settings[i]).each(function(rel){this.rel = rel+1 + "&nbsp;of&nbsp;" + $(gall_settings[i]).length;});
                        var add_first = $(gall_settings[i]+':first').addClass('first');
                        var add_last = $(gall_settings[i]+':last').addClass('last');
                }                       
            $(my_gall_classes).each(function(rev){this.rev = rev+0});
            var imgCache = $(my_gall_classes).each(function(){this.href});
            var hidden = $('body').append('<div id="imgCache" style="display:none"></div').children('#imgCache');
            $.each(imgCache, function (i,val) {
                $('<div/>').css({'background':'url('+val+')'/*,'width':'600px','height':'200px'*/}).appendTo(hidden);
            });
            var piro_gallery = $(my_gall_classes);
            $.fn.fixPNG = function() {
                return this.each(function () {
                    var image = $(this).css('backgroundImage');
                    if (image.match(/^url\(["']?(.*\.png)["']?\)$/i)) {
                        image = RegExp.$1;
                        $(this).css({
                            'backgroundImage': 'none',
                            'filter': "progid:DXImageTransform.Microsoft.AlphaImageLoader(enabled=true, sizingMethod=" + ($(this).css('backgroundRepeat') == 'no-repeat' ? 'crop' : 'scale') + ", src='" + image + "')"
                        }).each(function () {
                            var position = $(this).css('position');
                            if (position != 'absolute' && position != 'relative')
                                $(this).css('position', 'relative');
                        });
                    }
                });
            };
            $.browser.msie6 =($.browser.msie && /MSIE 6\.0/i.test(window.navigator.userAgent));
            if( $.browser.msie6 && !/MSIE 8\.0/i.test(window.navigator.userAgent)) {
                $('.t_l,.t_c,.t_r,.c_l,.c_r,.b_l,.b_c,.b_r,a.piro_next, a.piro_prev,a.piro_prev_out,a.piro_next_out,.c_c,.piro_close,a.play,a.stop').fixPNG();
                var ie_w_h =  $(document).height();
                bg_overlay.css('height',ie_w_h+ 'px'); 
            }
            if( $.browser.msie) {
            opt.close_speed = 0;
            }
            $(window).resize(function(){
                var new_w_bg = $(document).height();
                bg_overlay.css({'visibility':'visible','height':+ new_w_bg +'px'});               
            }); 
            piro_prev.add(piro_next).bind('click',function(c) {
                c.preventDefault();
                var image_count = parseInt($(piro_gallery).filter('.item').attr('rev'));
                var start = $(this).is('.piro_prev_out,.piro_prev') ? $(piro_gallery).eq(image_count - 1) : $(piro_gallery).eq(image_count + 1);
                if(!start.size()) {
                    start = $(this).is('.piro_prev_out,.piro_prev') ? $(piro_gallery).eq($(piro_gallery).size() - 1) : $(piro_gallery).eq(0);
                }
                start.click();
                piro_close.add(caption1).add(piro_next).add(piro_prev).css('visibility','hidden');
            });
            $(piro_gallery).each(function(array) {
                    var item = $(this);
                    item.unbind(); 
                    item.bind('click',function(c) {
                        c.preventDefault();
                        piro_open(item.attr('href'));
                        var this_url = item.attr('href');
                        //var descr = item.children('span').html();
                        var descr = item.attr('title'); 
                        var number = item.attr('rel');
                        if( descr == ""){
                        caption1.html('<p>'+ this_url+'<em class="number">' + number + '</em><a href='+ this_url +' class="link_to" target="_blank" title="Open Image in a new window"></a></p>');
                        }else{
                        caption1.html('<p>'+ descr+'<em class="number">' + number + '</em><a href='+ this_url +' class="link_to" target="_blank" title="Open Image in a new window"></a></p>');
                        }
                        if(item.is('.last')){
                            $('.number').css('text-decoration','underline');
                            
                        }else{
                            $('.number').css('text-decoration','none');
                            }               
                        if(item.is('.first')){
                            piro_prev.hide();
                            piro_next.show();       
                        }else{
                            piro_next.add(piro_prev).show();          
                        }
                        if(item.is('.last')){
                            piro_prev.show();
                            piro_next.hide();
                            piro_play.css('width','0');   
                        }else{
                            piro_play.css('width','40px');
                            }
                        if(item.is('.last') && item.is('.first') ){
                            piro_prev.add(piro_next).hide();
                            $('.number').hide();
                            piro_play.remove();
                        }                   
                            $(piro_gallery).filter('.item').removeClass('item');
                            item.addClass('item');
                            $('.c_c').removeClass('unique');        
                    });
                });
                var piro_open = function(my_url) {
                    piro_play.add(piro_stop).hide();
                    piro_close.add(caption1).add(piro_next).add(piro_prev).css('visibility','hidden');
                    if(main_cont.is(':visible')) {
                        $('.c_c div').children().fadeOut(300, function() {
                            $('.c_c div').children().remove();
                            load_img(my_url);
                        });
                    } else {
                        $('.c_c div').children().remove();
                        main_cont.show();
                        bg_overlay.fadeIn(300,function(){
                        load_img(my_url);
                        });
                    }
                }
                var load_img = function(my_url) {
                if(main_cont.is('.loading')) {return;}
                main_cont.addClass('loading');
                var img = new Image();
                img.onerror = function (){
                    var main_cont_h = $(main_cont).height();
                    main_cont.css({marginTop : parseInt($(document).scrollTop())-(main_cont_h/1.9)});
                  $('.c_c div').append('<p class="err_mess">There seems to be an Error:&nbsp;<a href="#close" class="close_pirobox">Close Pirobox</a></p>');
                    $('.close_pirobox').bind('click',function(c) {
                        c.preventDefault();
                        piro_close.add(bg_overlay).add(main_cont).add(caption1).add(piro_next).add(piro_prev).hide(0,function(){ img.src = '';});
                        main_cont.removeClass('loading');
                    });
                }
                img.onload = function() {
                    var imgH = img.height;
                    var imgW = img.width;
                    var main_cont_h = $(main_cont).height();
                    var w_H = $(window).height();
                    var w_W = $(window).width();
                    $(img).height(imgH).width(imgW).hide();
                        $('.c_c div').animate({height:imgH+'px',width:imgW+'px'},opt.my_speed);
                        var fix = imgH/w_H*2.3;
                        if(w_H < imgH){h_fix = fix;}else{h_fix = 2;}
                        main_cont.animate({
                        height : (imgH+40) + 'px' ,
                        width : (imgW+40) + 'px' , 
                        marginLeft : '-' +((imgW)/2+20) +'px',
                        marginTop : parseInt($(document).scrollTop())-(imgH/h_fix)},opt.my_speed, function(){
                        $('.piro_nav,.caption1').css({width:(imgW)+'px','margin-bottom':'10px'});
                        $('.piro_nav').css('margin-left','-'+(imgW)/2+'px');
                            var caption1_height = caption1.height();
                            $('.c_c div').append(img);                  
                            piro_close.css('display','block');
                            piro_next.add(piro_prev).add(piro_close).css('visibility','visible');
                            caption1.css({'visibility':'visible','display':'block','opacity':'0.8','overflow':'hidden'});
                            main_cont.hover(function(){
                                caption1.stop().fadeTo(200,0.8);},
                                function(){caption1.stop().fadeTo(200,0);
                                });
                                $(img).fadeIn(300);
                                    main_cont.removeClass('loading');
                                    if(opt.slideShow === true){
                                       piro_play.add(piro_stop).show();
                                    }else{
                                         piro_play.add(piro_stop).hide();
                                    }   
                            });         
                        }
                    img.src = my_url;
                    $('html').bind("keyup", function (c) {
                         if(c.keyCode == 27) {
                            c.preventDefault();
                            if($(img).is(':visible') || $('.c_c>div>p>a').is('.close_pirobox')){
                                $(piro_gallery).removeClass('slideshow').removeClass('item');
                                piro_close.add(bg_overlay).add(main_cont).add(caption1).add(piro_next).add(piro_prev).hide(0,function(){ img.src = '';});
                                main_cont.removeClass('loading');
                                clearTimeout(timer);
                                $(piro_gallery).children().removeAttr('class');
                                $('.stop').remove();
                                $('.c_c').append(piro_play);
                                $('.sc_menu').css('display','none');
                                $('ul.sc_menu li a').removeClass('img_active').css('opacity','0.4');    
                                piro_next.add(piro_prev).show().css({'top':'50%'}); 
                                $(piro_gallery).children().fadeTo(100,1);
                            }
                        }
                    });
                    $('html').bind("keyup" ,function(e) {
                         if ($('.item').is('.first')){
                        }else if(e.keyCode == 37){
                        e.preventDefault();
                            if($(img).is(':visible')){
                                clearTimeout(timer);
                                $(piro_gallery).children().removeAttr('class');
                                $('.stop').remove();
                                $('.c_c').append(piro_play);
                                piro_prev.click();
                            }
                         }
                    });
                    $('html').bind("keyup" ,function(z) {
                        if ($('.item').is('.last')){
                        }else if(z.keyCode == 39){
                        z.preventDefault();
                            if($(img).is(':visible')){
                                clearTimeout(timer);
                                $(piro_gallery).children().removeAttr('class');
                                $('.stop').remove();
                                $('.c_c').append(piro_play);
                                piro_next.click();
                                //alert('click')
                            }
                        }
                    });
                    var win_h = $(window).height();
                    piro_stop.bind('click',function(x){
                        x.preventDefault();
                        clearTimeout(timer);
                        $(piro_gallery).removeClass('slideshow');
                        $('.stop').remove();
                        $('.pirobox_down').append(piro_play);
                        piro_next.add(piro_prev).css('width',my_nav_w+'px');
                    });
                    piro_play.bind('click',function(w){
                        w.preventDefault();
                        clearTimeout(timer);
                        if($(img).is(':visible')){
                        $(piro_gallery).addClass('slideshow');
                        $('.play').remove();
                        $('.pirobox_down').append(piro_stop);
                        }
                        piro_next.add(piro_prev).css({'width':'0px'});
                        return slideshow();
                    });
                  $(opt.close_all).bind('click',function(c) {
                    $(piro_gallery).removeClass('slideshow');
                    clearTimeout(timer);
                    if($(img).is(':visible')){
                        c.preventDefault();
                        piro_close.add(bg_overlay).add(main_cont).add(caption1).add(piro_next).add(piro_prev).hide(0,function(){ img.src = '';});
                        main_cont.removeClass('loading');
                        $(piro_gallery).removeClass('slideshow');
                        piro_next.add(piro_prev).css('width',my_nav_w+'px').hide();
                        $('.stop').remove();
                        $('.pirobox_down').append(piro_play);
                        piro_play.hide();
                    }
                  });   
                    if(opt.slideShow === true){
                        function slideshow(){
                            if( $(piro_gallery).filter('.item').is('.last')){
                            clearTimeout(timer);
                            $(piro_gallery).removeClass('slideshow');
                            $('.stop').remove();
                            $('.pirobox_down').append(piro_play);
                            piro_next.add(piro_prev).css('width',my_nav_w+'px');                                 
                            } else if($(piro_gallery).is('.slideshow' ) && $(img).is(':visible')){
                                clearTimeout(timer);
                                piro_next.click();
                            }
                        }                   
                        var timer = setInterval(slideshow,opt.slideSpeed*1000 );
                    }


                }
            }

        start_pirobox();
    }
})(jQuery);