(function($){var t=$.tools.overlay;t.plugins=t.plugins||{};t.plugins.gallery={version:'1.0.0',conf:{imgId:'img',next:'.next',prev:'.prev',info:'.info',progress:'.progress',disabledClass:'disabled',activeClass:'active',opacity:0.8,speed:'slow',template:'<strong>${title}</strong> <span>Image ${index} of ${total}</span>',autohide:true,preload:true,api:false}};$.fn.gallery=function(opts){var conf=$.extend({},t.plugins.gallery.conf),api;$.extend(conf,opts);api=this.overlay();var links=this,overlay=api.getOverlay(),next=overlay.find(conf.next),prev=overlay.find(conf.prev),info=overlay.find(conf.info),progress=overlay.find(conf.progress),els=prev.add(next).add(info).css({opacity:conf.opacity}),close=api.getClosers(),index;function load(el){progress.fadeIn();els.hide();close.hide();var url=el.attr("href");var image=new Image();image.onload=function(){progress.fadeOut();var img=$("#"+conf.imgId,overlay);if(!img.length){img=$("<img/>").attr("id",conf.imgId).css("visibility","hidden");overlay.prepend(img);}
img.attr("src",url).css("visibility","hidden");var width=image.width;var left=($(window).width()-width)/2;index=links.index(links.filter("[href="+url+"]"));links.removeClass(conf.activeClass).eq(index).addClass(conf.activeClass);var cls=conf.disabledClass;els.removeClass(cls);if(index===0){prev.addClass(cls);}
if(index==links.length-1){next.addClass(cls);}
var text=conf.template.replace("${title}",el.attr("title")||el.data("title")).replace("${index}",index+1).replace("${total}",links.length);var padd=parseInt(info.css("paddingLeft"),10)+parseInt(info.css("paddingRight"),10);info.html(text).css({width:width-padd});overlay.animate({width:width,height:image.height,left:left},conf.speed,function(){img.hide().css("visibility","visible").fadeIn(function(){if(!conf.autohide){els.fadeIn();close.show();}});});};image.onerror=function(){overlay.fadeIn().html("Cannot find image "+url);};image.src=url;if(conf.preload){links.filter(":eq("+(index-1)+"), :eq("+(index+1)+")").each(function(){var img=new Image();img.src=$(this).attr("href");});}}
function addClick(el,isNext){el.click(function(){if(el.hasClass(conf.disabledClass)){return;}
var trigger=links.eq(i=index+(isNext?1:-1));if(trigger.length){load(trigger);}});}
addClick(next,true);addClick(prev);$(document).keydown(function(evt){if(!overlay.is(":visible")||evt.altKey||evt.ctrlKey){return;}
if(evt.keyCode==37||evt.keyCode==39){var btn=evt.keyCode==37?prev:next;btn.click();return evt.preventDefault();}
return true;});function showEls(){if(!overlay.is(":animated")){els.show();close.show();}}
if(conf.autohide){overlay.hover(showEls,function(){els.fadeOut();close.hide();}).mousemove(showEls);}
var ret;this.each(function(){var el=$(this),api=$(this).overlay(),ret=api;api.onBeforeLoad(function(){load(el);});api.onClose(function(){links.removeClass(conf.activeClass);});});return conf.api?ret:this;};})(jQuery);