/**
* Name: PiroBox Extended v.1.0
* Date: Gen 2011
* Autor: Diego Valobra (http://www.pirolab.it),(http://www.diegovalobra.com)
* Version: 1.0
* Licence: CC-BY-SA http://creativecommons.org/licenses/by-sa/3/it/
**/

(function($) {
        $.fn.piroBox_ext = function(opt) {
                opt = jQuery.extend({
                piro_speed : 700,
                bg_alpha : 0.9,
                piro_scroll : true
                }, opt);
        $.fn.piroFadeIn = function(speed, callback) {
                $(this).fadeIn(speed, function() {
                if(jQuery.browser.msie)
                        $(this).get(0).style.removeAttribute('filter');
                if(callback != undefined)
                        callback();
                });
        };
        $.fn.piroFadeOut = function(speed, callback) {
                $(this).fadeOut(speed, function() {
                if(jQuery.browser.msie)
                        $(this).get(0).style.removeAttribute('filter');
                if(callback != undefined)
                        callback();
                });
        };
        var my_gall_obj = $('a[class*="pirobox"]');
        var map = new Object();
                for (var i=0; i<my_gall_obj.length; i++) {
                        var it=$(my_gall_obj[i]);
                        map['a.'+ it.attr('class').match(/^pirobox_gall\w*/)]=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]+':first').addClass('first');
                $(gall_settings[i]+':last').addClass('last');
        }
        var piro_gallery = $(my_gall_obj);
        $('a[class*="pirobox_gall"]').each(function(rev){this.rev = rev+0});
        var struct =(
                '<div class="piro_overlay"></div>'+
                '<table class="piro_html"  cellpadding="0" cellspacing="0">'+
                '<tr>'+
                '<td class="h_t_l"></td>'+
                '<td class="h_t_c" title="drag me!!"></td>'+
                '<td class="h_t_r"></td>'+
                '</tr>'+
                '<tr>'+
                '<td class="h_c_l"></td>'+
                '<td class="h_c_c">'+
                '<div class="piro_loader" title="close"><span></span></div>'+
                '<div class="resize">'+
                '<div class="nav_container">'+
                '<a href="#prev" class="piro_prev" title="previous"></a>'+
                '<a href="#next" class="piro_next" title="next"></a>'+
                '<div class="piro_prev_fake">prev</div>'+
                '<div class="piro_next_fake">next</div>'+
                '<div class="piro_close" title="close"></div>'+
                '</div>'+
                '<div class="caption"></div>'+
                '<div class="div_reg"></div>'+
                '</div>'+
                '</td>'+
                '<td class="h_c_r"></td>'+
                '</tr>'+
                '<tr>'+
                '<td class="h_b_l"></td>'+
                '<td class="h_b_c"></td>'+
                '<td class="h_b_r"></td>'+
                '</tr>'+
                '</table>'
                );
        $('body').append(struct);
        var wrapper = $('.piro_html'),
        piro_capt = $('.caption'),
        piro_bg = $('.piro_overlay'),
        piro_next = $('.piro_next'),
        piro_prev = $('.piro_prev'),
        piro_next_fake = $('.piro_next_fake'),
        piro_prev_fake = $('.piro_prev_fake'),
        piro_close = $('.piro_close'),
        div_reg = $('.div_reg'),
        piro_loader = $('.piro_loader'),
        resize = $('.resize'),
        btn_info = $('.btn_info');
        var rz_img =0.95; /*::::: ADAPT IMAGE TO BROWSER WINDOW SIZE :::::*/
        if ( $.browser.msie ) {
                wrapper.draggable({ handle:'.h_t_c,.h_b_c,.div_reg img'});
        }else{
                wrapper.draggable({ handle:'.h_t_c,.h_b_c,.div_reg img',opacity: 0.80});
        }
        var y = $(window).height();
        var x = $(window).width();
        $('.nav_container').hide();
        wrapper.css({left:  ((x/2)-(250))+ 'px',top: parseInt($(document).scrollTop())+(100)});
        $(wrapper).add(piro_capt).add(piro_bg).hide();
        piro_bg.css({'opacity':opt.bg_alpha});
        $(piro_prev).add(piro_next).bind('click',function(c) {
                $('.nav_container').hide();
                c.preventDefault();
                piro_next.add(piro_prev).hide();
                var obj_count = parseInt($('a[class*="pirobox_gall"]').filter('.item').attr('rev'));
                var start = $(this).is('.piro_prev') ? $('a[class*="pirobox_gall"]').eq(obj_count - 1) : $('a[class*="pirobox_gall"]').eq(obj_count + 1);
                start.click();
        });
        $('html').bind('keyup', function (c) {
                 if(c.keyCode == 27) {
                        c.preventDefault();
                        if($(piro_close).is(':visible')){close_all();}
                }
        });
        $('html').bind('keyup' ,function(e) {
                 if ($('.item').is('.first')){
                }else if(e.keyCode == 37){
                e.preventDefault();
                        if($(piro_close).is(':visible')){piro_prev.click();}
                 }
        });
        $('html').bind('keyup' ,function(z) {
                if ($('.item').is('.last')){
                }else if(z.keyCode == 39){
                z.preventDefault();
                        if($(piro_close).is(':visible')){piro_next.click();}
                }
        });
        $(window).resize(function(){
                var new_y = $(window).height();
                var new_x = $(window).width();
                var new_h = wrapper.height();
                var new_w = wrapper.width();
                wrapper.css({
                        left:  ((new_x/2)-(new_w/2))+ 'px',
                        top: parseInt($(document).scrollTop())+(new_y-new_h)/2
                        });
        });
        function scrollIt (){
                $(window).scroll(function(){
                        var new_y = $(window).height();
                        var new_x = $(window).width();
                        var new_h = wrapper.height();
                        var new_w = wrapper.width();
                        wrapper.css({
                                left:  ((new_x/2)-(new_w/2))+ 'px',
                                top: parseInt($(document).scrollTop())+(new_y-new_h)/2
                        });
                });
        }
        if(opt.piro_scroll == true){
                scrollIt()
        }
        $(piro_gallery).each(function(){

                var descr = $(this).attr('title');
                var params = $(this).attr('rel').split('-');
                var p_link = $(this).attr('href');
                $(this).unbind();
                $(this).bind('click', function(e) {
                        piro_bg.css({'opacity':opt.bg_alpha});
                        e.preventDefault();
                        piro_next.add(piro_prev).hide().css('visibility','hidden');
                        $(piro_gallery).filter('.item').removeClass('item');
                        $(this).addClass('item');
                        open_all();
                        if($(this).is('.first')){
                                piro_prev.hide();
                                piro_next.show();
                                piro_prev_fake.show().css({'opacity':0.5,'visibility':'hidden'});
                        }else{
                                piro_next.add(piro_prev).show();
                                piro_next_fake.add(piro_prev_fake).hide();
                        }
                        if($(this).is('.last')){
                                piro_prev.show();
                                piro_next_fake.show().css({'opacity':0.5,'visibility':'hidden'});
                                piro_next.hide();
                        }
                        if($(this).is('.pirobox')){
                                piro_next.add(piro_prev).hide();
                        }

                });

        function open_all(){
                        wrapper.add(piro_bg).add(div_reg).add(piro_loader).show();
                        function animate_html(){
                                if(params[1] == 'full' && params[2] == 'full'){
                                params[2] = $(window).height()-70;
                                params[1] = $(window).width()-55;
                                }
                                var y = $(window).height();
                                var x = $(window).width();
                                piro_close.hide();
                                div_reg.add(resize).animate({
                                        'height':+ (params[2]) +'px',
                                        'width':+ (params [1])+'px'
                                        },opt.piro_speed).css('visibility','visible');

                                wrapper.animate({
                                        height:+ (params[2])+20 +'px',
                                        width:+ (params[1]) +20+'px',
                                        left:  ((x/2)-((params[1])/2+10))+ 'px',
                                        top: parseInt($(document).scrollTop())+(y-params[2])/2-10
                                        },opt.piro_speed ,function(){
                                                piro_next.add(piro_prev).css({'height':'20px','width':'20px'});
                                                piro_next.add(piro_prev).add(piro_prev_fake).add(piro_next_fake).css('visibility','visible');
                                                $('.nav_container').show();
                                                piro_close.show();
                                });
                        }
                        function animate_image (){
                                                var img = new Image();
                                                img.onerror = function (){
                                                        piro_capt.html('');
                                                        img.src = "http://www.pirolab.it/pirobox/js/error.jpg";
                                                }
                                                img.onload = function() {
                                                        piro_capt.add(btn_info).hide();
                                                        var y = $(window).height();
                                                        var x = $(window).width();
                                                        var        imgH = img.height;
                                                        var        imgW = img.width;

                                                        //var rz_img =1.203; /*::::: ORIGINAL SIZE :::::*/
                                                        if(imgH+20 > y || imgW+20 > x){
                                                                var _x = (imgW + 20)/x;
                                                                var _y = (imgH + 20)/y;
                                                                if ( _y > _x ){
                                                                        imgW = Math.round(img.width* (rz_img/_y));
                                                                        imgH = Math.round(img.height* (rz_img/_y));
                                                                }else{
                                                                        imgW = Math.round(img.width * (rz_img/_x));
                                                                        imgH = Math.round(img.height * (rz_img/_x));
                                                                }
                                                        }else{
                                                                 imgH = img.height;
                                                                 imgW = img.width;
                                                                }

                                                        var y = $(window).height();
                                                        var x = $(window).width();
                                                        $(img).height(imgH).width(imgW).hide();

                                                        $(img).fadeOut(300,function(){});
                                                                $('.div_reg img').remove();
                                                                $('.div_reg').html('');
                                                                div_reg.append(img).show();
                                                        $(img).addClass('immagine');

                                                        div_reg.add(resize).animate({height:imgH+'px',width:imgW+'px'},opt.piro_speed);
                                                        wrapper.animate({
                                                                height : (imgH+20) + 'px' ,
                                                                width : (imgW+20) + 'px' ,
                                                                left:  ((x/2)-((imgW+20)/2)) + 'px',
                                                                top: parseInt($(document).scrollTop())+(y-imgH)/2-20
                                                                },opt.piro_speed, function(){
                                                                        var cap_w = resize.width();
                                                                        piro_capt.css({width:cap_w+'px'});
                                                                        piro_loader.hide();
                                                                        $(img).fadeIn(300,function(){
                                                                        piro_close.add(btn_info).show();
                                                                        piro_capt.slideDown(200);
                                                                        piro_next.add(piro_prev).css({'height':'20px','width':'20px'});
                                                                        piro_next.add(piro_prev).add(piro_prev_fake).add(piro_next_fake).css('visibility','visible');
                                                                        $('.nav_container').show();
                                                                        resize.resize(function(){
                                                                                NimgW = img.width;//1.50;
                                                                                NimgH = img.heigh;//1.50;
                                                                                piro_capt.css({width:(NimgW)+'px'});
                                                                        });
                                                                });
                                                        });
                                                }

                                                img.src = p_link;
                                                piro_loader.click(function(){
                                                img.src = 'about:blank';
                                        });
                                }

                        switch (params[0]) {

                                case 'iframe':
                                        div_reg.html('').css('overflow','hidden');
                                        resize.css('overflow','hidden');
                                        piro_close.add(btn_info).add(piro_capt).hide();
                                        animate_html();
                                        div_reg.piroFadeIn(300,function(){
                                                div_reg.append(
                                                '<iframe id="my_frame" class="my_frame" src="'+p_link+'" frameborder="0" allowtransparency="true" scrolling="auto" align="top"></iframe>'
                                                );
                                                $('.my_frame').css({'height':+ (params[2]) +'px','width':+ (params [1])+'px'});
                                                piro_loader.hide();
                                        });
                                break;

                                 case 'embed':
                                        div_reg.html('').css('overflow','hidden');
                                        resize.css('overflow','hidden');
                                        piro_close.add(btn_info).add(piro_capt).hide();
                                        animate_html();
                                        div_reg.piroFadeIn(300,function(){
                                                div_reg.append(
                                                '<object width="'+params [1]+'" height="'+params[2]+'"><param name="movie" value="'+p_link+'"</param><param name="allowFullScreen" value="true"></param><param name="allowScriptAccess" value="always"></param><embed src="'+p_link+'" type="application/x-shockwave-flash" allowfullscreen="true" allowscriptaccess="always" width="'+params [1]+'" height="'+params [2]+'">s</embed></object>'
                                                );
                                               
                                                piro_loader.hide();
                                        });
                                break;

                                case 'content':
                                        div_reg.html('').css('overflow','auto');
                                        resize.css('overflow','auto');
                                        $('.my_frame').remove();
                                        piro_close.add(btn_info).add(piro_capt).hide();
                                        animate_html()
                                        div_reg.piroFadeIn(300,function(){
                                                div_reg.load(p_link);
                                                piro_loader.hide();
                                        });
                                break;

                                case 'inline':
                                        div_reg.html('').css('overflow','auto');
                                        resize.css('overflow','auto');
                                        $('.my_frame').remove();
                                        piro_close.add(btn_info).add(piro_capt).hide();
                                        animate_html()
                                        div_reg.piroFadeIn(300,function(){
                                                $(p_link).clone(true).appendTo(div_reg).piroFadeIn(300);
                                                piro_loader.hide();
                                        });
                                break

                                case 'gallery':
                                        div_reg.css('overflow','hidden');
                                        resize.css('overflow','hidden');
                                        $('.my_frame').remove();
                                        piro_close.add(btn_info).add(piro_capt).hide();
                                        if(descr == ""){
                                                piro_capt.html('');
                                                }else{
                                        piro_capt.html('<p>' + descr + '</p>');
                                        }
                                        animate_image();
                                break;

                                case 'single':
                                        piro_close.add(btn_info).add(piro_capt).hide();
                                        div_reg.html('').css('overflow','hidden');
                                        resize.css('overflow','hidden');
                                        $('.my_frame').remove();
                                        if(descr == ""){
                                                piro_capt.html('');
                                                }else{
                                        piro_capt.html('<p>' + descr + '</p>');
                                        }
                                        animate_image();
                                break
                        }
                }
        });
                $('.immagine').live('click',function(){
                piro_capt.slideToggle(200);
        });

        function close_all (){
                if($('.piro_close').is(':visible')){
                        $('.my_frame').remove();
                        wrapper.add(div_reg).add(resize).stop();
                        var ie_sucks = wrapper;
                        if ( $.browser.msie ) {
                        ie_sucks = div_reg.add(piro_bg);
                        $('.div_reg img').remove();
                        }else{
                        ie_sucks = wrapper.add(piro_bg);
                        }
                        ie_sucks.piroFadeOut(200,function(){
                                div_reg.html('');
                                piro_loader.add(piro_capt).add(btn_info).hide();
                                $('.nav_container').hide();
                                piro_bg.add(wrapper).hide().css('visibility','visible');
                        });
                        }
                }
                piro_close.add(piro_loader).add(piro_bg).bind('click',function(y){y.preventDefault(); close_all(); });
        }
})(jQuery);