var Milkbox=new Class({Implements:[Options,Events],options:{overlayOpacity:0.7,topPosition:50,initialWidth:250,initialHeight:250,canvasBorderWidth:"0px",canvasBorderColor:"#000000",canvasPadding:"0px",resizeDuration:500,resizeTransition:"sine:in:out",autoPlay:false,autoPlayDelay:7,removeTitle:false,autoSize:true,maxHeight:0,imageOfText:"of",onXmlGalleries:$empty,onClosed:$empty,onFileReady:$empty},initialize:function(options){this.setOptions(options);this.autoPlayBkup={autoPlayDelay:this.options.autoPlayDelay,autoPlay:this.options.autoPlay};this.fullOptionsBkup={};this.galleries=[];this.families=[];this.xmlFiles=[];this.loadedImages=[];this.currentFile=null;this.currentIndex=null;this.currentGallery=null;this.currentRequest=null;this.currentResponse=null;this.mode=null;this.closed=true;this.busy=true;this.paused=true;this.fileReady=false;this.eventsok=false;this.first=true;this.activated=false;this.intObj=null;this.formtags=null;this.prepareGalleries();if(this.options.overlayOpacity==0){this.options.overlayOpacity=0.0001;}this.saveOptions();if(this.galleries.length==0){return;}this.initMilkbox(true);},initMilkbox:function(checkTags){if(checkTags){this.formtags=$$("select","textarea");}this.prepareHTML();this.prepareEffects();this.prepareEvents();this.activated=true;},openMilkbox:function(gallery,index){this.closed=false;if(this.formtags&&this.formtags.length!=0){this.formtags.setStyle("display","none");}this.overlay.setStyles({top:-$(window).getScroll().y,height:$(window).getScrollSize().y+$(window).getScroll().y});this.center.setStyle("top",$(window).getScroll().y+this.options.topPosition);this.currentGallery=gallery;this.currentIndex=index;this.overlay.tween("opacity",this.options.overlayOpacity);if(gallery.length==1){this.mode="singleFile";this.loadFile(gallery[index],index);}else{this.mode="fileGallery";var playpauseWidth=0;$$(this.prev,this.next,this.count).setStyle("display","block");if(this.options.autoPlay){this.playpause.setStyle("display","block");playpauseWidth=this.playpause.getSize().x;}var border=this.center.getStyle("border-right-width").toInt();var navWidth=this.prev.getSize().x+this.next.getSize().x+this.close.getSize().x+playpauseWidth+border;this.navigation.setStyle("width",navWidth);this.description.setStyle("margin-right",navWidth);var next=(index!=gallery.length-1)?gallery[index+1]:gallery[0];var prev=(index!=0)?gallery[index-1]:gallery[gallery.length-1];var preloads=(prev==next)?[prev]:[prev,next];this.loadFile(gallery[index],preloads);}},loadFile:function(fileObj,preloads){this.fileReady=false;var swf=this.checkFileType(fileObj,"swf");if(!swf){if(!this.loadedImages.contains(fileObj.retrieve("href"))){this.center.addClass("mbLoading");}this.loadImage(fileObj.retrieve("href"));}else{this.loadSwf(fileObj);}if(preloads){this.preloadFiles(preloads);}},preloadFiles:function(preloads){preloads.each(function(fileObj,index){var swf=this.checkFileType(fileObj.retrieve("href"),"swf");if(!swf){this.preloadImage(fileObj.retrieve("href"));}},this);},loadImage:function(file){var imageAsset=new Asset.image(file,{onload:function(img){if(!this.loadedImages.contains(file)){this.loadedImages.push(file);}this.currentFile=img;this.loadAux(this.currentFile);}.bindWithEvent(this)});},preloadImage:function(file){if(!this.loadedImages.contains(file)){var imageAsset=new Asset.image(file,{onload:function(img){this.loadedImages.push(file);}.bindWithEvent(this)});}},loadSwf:function(swf){var swfObj=new Swiff(swf.retrieve("href"),{width:swf.retrieve("width").toInt(),height:swf.retrieve("height").toInt(),params:{wMode:"opaque",swLiveConnect:"false"}});this.currentFile=swfObj;this.loadAux(swf);},loadAux:function(file){this.fileReady=true;this.fireEvent("fileReady");$$(this.description,this.navigation).setStyle("visibility","hidden");this.navigation.setStyle("height","");$$(this.next,this.prev,this.close).setStyle("backgroundPosition","0 0");this.showFile(file);},showFile:function(file){if(this.closed){return;}var fileSize=new Hash();var centerSize=new Hash();var targetSize,canvasSize;var canvasAddSize,gap,b,p,d;targetSize=canvasSize={};canvasAddSize=gap=b=p=d=0;if(this.options.canvasBorderWidth.toInt()!=0&&this.canvas.getStyle("borderWidth").toInt()==0){b=this.options.canvasBorderWidth+" solid "+this.options.canvasBorderColor;this.canvas.setStyle("border",b);}if(this.options.canvasPadding.toInt()!=0&&this.canvas.getStyle("padding").toInt()==0){p=this.options.canvasPadding;this.canvas.setStyle("padding",p);}canvasSize=this.canvas.getSize();canvasAddSize=this.canvas.getStyle("borderWidth").toInt()*2+this.canvas.getStyle("padding").toInt()*2;this.canvas.setStyles({opacity:0,width:"",height:""});if(!file.retrieve("width")){fileSize=fileSize.extend(file.getProperties("width","height")).map(function(item){return item.toInt();});if(this.options.autoSize){fileSize=this.computeSize(fileSize);file.setProperties({width:fileSize.width,height:fileSize.height});}}else{fileSize.extend({height:file.retrieve("height").toInt(),width:file.retrieve("width").toInt()});}centerSize=centerSize.extend(this.center.getStyles("width","height")).map(function(item){return item.toInt();});if(fileSize.width!=centerSize.width){targetSize.width=fileSize.width+canvasAddSize;targetSize.marginLeft=-(targetSize.width/2).round();}gap=(canvasSize.y-canvasAddSize>0)?centerSize.height-canvasSize.y:0;targetSize.height=fileSize.height+canvasAddSize+gap;this.canvas.setStyles({width:fileSize.width,height:fileSize.height});this.center.removeClass("mbLoading");if(this.first){d=500;this.first=false;}(function(){this.center.morph(targetSize);}).delay(d,this);},computeSize:function(oSize){var size=oSize;var wSize=window.getSize();var baseSize={width:wSize.x-60,height:wSize.y-68-this.options.topPosition*2};var ratio;var check;var max=Math.max(baseSize.height,baseSize.width);if(max==baseSize.width){ratio=max/size.width;check="height";}else{ratio=max/size.height;check="width";}ratio=(ratio<=1)?ratio:1;size=size.map(function(item){return Math.floor(item*ratio);});ratio=(baseSize[check]/size[check]<=1)?baseSize[check]/size[check]:1;size=size.map(function(item){return Math.floor(item*ratio);});if(this.options.maxHeight>0){ratio=(this.options.maxHeight/size.height<1)?this.options.maxHeight/size.height:1;size=size.map(function(item){return Math.floor(item*ratio);});}return size;},showGallery:function(opt){if(!opt||!opt.gallery){return;}var fileIndex=($chk(opt.index))?opt.index:0;var g=this.getGallery(opt.gallery);var auto=false;var d;if(opt.autoplay||(g.options&&g.options.autoplay)){auto=true;}if(g!=-1&&!this.opened){if(auto){d=(opt&&opt.delay)?opt.delay:(g.options&&g.options.delay)?g.options.delay:this.autoPlayDelay;this.startAutoPlay({gallery:g,index:fileIndex,delay:d});}else{this.openMilkbox(g,fileIndex);}}},addGalleries:function(xmlfile){this.currentRequest=new Request({method:"get",autoCancel:true,url:xmlfile,onRequest:function(){}.bindWithEvent(this),onSuccess:function(text,xml){var t=text.replace(/(<a.+)\/>/gi,"$1></a>");this.setGalleries(new Element("div",{html:t}),xmlfile);}.bindWithEvent(this),onFailure:function(transport){alert("Milkbox :: addGalleries: XML file path error or local Ajax test: please test addGalleries() on-line");}});this.currentRequest.send();},setGalleries:function(container,xmlfile){if(!this.xmlFiles.contains(xmlfile)){this.xmlFiles.push(xmlfile);}var c=container;var galleries=c.getElements(".gallery");var links=[];var aplist=[];galleries.each(function(gallery,i){var obj={gallery:gallery.getProperty("name"),autoplay:Boolean(gallery.getProperty("autoplay")),delay:Number(gallery.getProperty("delay"))};var l=gallery.getChildren("a");var lx=l.map(function(link){return link.setProperty("rel","milkbox["+obj.gallery+"]");});links.push(lx);if(obj.autoplay){aplist.push(obj);}});this.prepareGalleries(links.flatten());this.setAutoPlay(aplist);if(!this.activated){this.initMilkbox();}this.fireEvent("xmlGalleries");},checkFileType:function(file,type){var href=null;if($type(file)!="string"){href=file.retrieve("href");}else{href=file;}var regexp=new RegExp(".("+type+")$","i");return href.split("?")[0].test(regexp);},getGallery:function(gallery){var f=null;if(gallery.test(/^milkbox/i)){f=this.families;}else{f=this.families.map(function(item){var trimmed=item.trim();var name=trimmed.slice(0,trimmed.length).substr(8);var cleanName=name.replace(/(.+)]$/,"$1");return cleanName;});}var i=f.indexOf(gallery);var g=(i!=-1)?this.galleries[i]:i;return g;},setFileProps:function(fileObj,propString){var s=propString.split(",");s.each(function(p,i){var clean=p.trim().split(":");fileObj.store(clean[0].trim(),clean[1].trim());},this);},changeOptions:function(obj){if(!obj){return;}this.setOptions(obj);this.center.get("morph").setOptions({transition:this.options.resizeTransition,duration:this.options.resizeDuration});},saveOptions:function(obj){if($chk(obj)){this.fullOptionsBkup=obj;}else{this.fullOptionsBkup=this.options;}},restoreOptions:function(){this.setOptions(this.fullOptionsBkup);var b=this.options.canvasBorderWidth+" solid "+this.options.canvasBorderColor;this.canvas.setStyles({border:b,padding:this.options.canvasPadding});this.center.get("morph").setOptions({transition:this.options.resizeTransition,duration:this.options.resizeDuration});},reloadGalleries:function(){this.galleries=[];this.families=[];this.formtags=$$("select","textarea");if(!this.activated){this.initMilkbox(false);}this.prepareGalleries();this.removeGalleriesEvents();this.setGalleriesEvents();if(this.xmlFiles.length==0){return;}this.xmlFiles.each(function(xmlfile,index){this.addGalleries(xmlfile);}.bind(this));},setAutoPlay:function(list){var l=($type(list)=="object")?[list]:list;l.each(function(item){var g=this.getGallery(item.gallery);if(g==-1){return;}var a=(item.autoplay==true)?item.autoplay:false;var d=($chk(item.delay)&&a)?item.delay:this.options.autoPlayDelay;g.options={autoplay:a,delay:d};},this);},startAutoPlay:function(opt){var g=-1;var i,d;if(opt&&opt.gallery){if($type(opt.gallery)=="array"){g=opt.gallery;}else{if($type(opt.gallery)=="string"){g=this.getGallery(opt.gallery);}}}if(g==-1){g=this.galleries[0];}d=(opt&&opt.delay&&($type(opt.delay)=="number"))?opt.delay*1000:(g.options&&g.options.delay)?g.options.delay*1000:this.options.autoPlayDelay*1000;i=(opt&&opt.index&&($type(opt.index)=="number"))?opt.index:0;if(d<this.options.resizeDuration*2){d=this.options.resizeDuration*2;}this.options.autoPlayDelay=d/1000;if(!this.options.autoPlay){this.setOptions({autoPlay:true,autoPlayDelay:this.options.autoPlayDelay});}if(this.closed){this.openMilkbox(g,i);if(this.mode!="fileGallery"){return;}this.addEvent("fileReady",function(){this.intObj=this.next_prev_aux.periodical(d,this,[null,"next"]);this.removeEvents("fileReady");}.bindWithEvent(this));}else{if(!this.closed){this.next_prev_aux(null,"next");}this.intObj=this.next_prev_aux.periodical(d,this,[null,"next"]);}this.paused=false;},stopAutoPlay:function(){if(this.intObj){$clear(this.intObj);this.intObj=null;}this.playpause.setStyle("backgroundPosition","0 -44px");this.paused=true;},removeGalleriesEvents:function(){this.galleries.each(function(gallery){$$(gallery).removeEvents("click");},this);},setGalleriesEvents:function(){this.galleries.each(function(gallery){$$(gallery).addEvent("click",function(e){var button=($(e.target).match("a"))?$(e.target):$(e.target).getParent("a");e.preventDefault();var g=this.getGallery(button.rel);if(g.options&&g.options.autoplay){this.setOptions({autoPlay:g.options.autoplay,autoPlayDelay:g.options.delay});}if(this.options.autoPlay){this.startAutoPlay({gallery:gallery,index:gallery.indexOf(button)});}else{this.openMilkbox(gallery,gallery.indexOf(button));}}.bindWithEvent(this));},this);},prepareEvents:function(xml){this.setGalleriesEvents();this.next.addEvent("click",this.next_prev_aux.bindWithEvent(this,"next"));this.prev.addEvent("click",this.next_prev_aux.bindWithEvent(this,"prev"));$$(this.next,this.prev,this.close).addEvents({mouseover:function(){this.setStyle("backgroundPosition","0 -22px");},mouseout:function(){this.setStyle("backgroundPosition","0 0");}});$(window.document).addEvent("keydown",function(e){if(this.mode!="fileGallery"||this.busy==true){return;}if(e.key=="right"||e.key=="space"){this.next_prev_aux(e,"next");}else{if(e.key=="left"){this.next_prev_aux(e,"prev");}else{if(e.key=="esc"){this.closeMilkbox();}}}}.bindWithEvent(this));this.playpause.addEvents({mouseover:function(e){if(this.paused==false){this.playpause.setStyle("backgroundPosition","0 -22px");}else{this.playpause.setStyle("backgroundPosition","0 -66px");}}.bindWithEvent(this),mouseout:function(){if(this.paused==false){this.playpause.setStyle("backgroundPosition","0 0");}else{this.playpause.setStyle("backgroundPosition","0 -44px");}}.bindWithEvent(this),click:function(){if(this.paused==false){this.stopAutoPlay();this.paused=true;this.playpause.setStyle("backgroundPosition","0 -66px");}else{var d=(this.currentGallery.options&&this.currentGallery.options.delay)?this.currentGallery.options.delay:this.options.autoPlayDelay;this.startAutoPlay({gallery:this.currentGallery,index:this.currentIndex+1,delay:d});this.paused=false;this.playpause.setStyle("backgroundPosition","0 0");}}.bindWithEvent(this)});this.overlay.get("tween").addEvent("onComplete",function(){if(this.overlay.getStyle("opacity")==this.options.overlayOpacity){this.center.tween("opacity",1);}else{if(this.overlay.getStyle("opacity")==0){this.overlay.setStyles({height:0,top:""});}}}.bindWithEvent(this));this.center.get("morph").addEvent("onComplete",function(){if($type(this.currentFile)=="element"){this.canvas.grab(this.currentFile);}else{(function(){this.canvas.grab(this.currentFile);}).delay(500,this);}this.canvas.tween("opacity",1);var d=(!(this.mode=="showThisImage"))?this.currentGallery[this.currentIndex].retrieve("title"):this.specialDescription;if($chk(d)){this.description.innerHTML=d;}if(this.mode=="fileGallery"){this.count.appendText((this.currentIndex+1)+" "+this.options.imageOfText+" "+this.currentGallery.length);}var currentCenterHeight=this.center.getStyle("height").toInt();this.navigation.setStyle("height",this.bottom.getStyle("height").toInt());var bottomSize=this.bottom.getSize().y;var targetOffset=(currentCenterHeight>this.canvas.getSize().y)?(this.bottom.getSize().y+this.canvas.getSize().y)-currentCenterHeight:bottomSize;this.bottom.setStyle("display","none");this.center.retrieve("setFinalHeight").start(currentCenterHeight,currentCenterHeight+targetOffset);}.bindWithEvent(this));this.center.retrieve("setFinalHeight").addEvent("onComplete",function(){this.bottom.setStyles({visibility:"visible",display:"block"});$$(this.description,this.navigation).setStyle("visibility","visible");var scrollSize=$(window).getScrollSize().y;var scrollTop=$(window).getScroll().y;this.overlay.setStyles({height:scrollSize+scrollTop,top:-scrollTop});this.busy=false;}.bindWithEvent(this));window.addEvent("resize",function(){if(this.overlay.getStyle("opacity")==0){return;}var scrollSize=$(window).getScrollSize().y;var scrollTop=$(window).getScroll().y;this.overlay.setStyles({height:scrollSize+scrollTop,top:-scrollTop});}.bindWithEvent(this));$$(this.overlay,this.close).addEvent("click",this.closeMilkbox.bindWithEvent(this));this.eventsok=true;},next_prev_aux:function(e,direction){if(e){e.preventDefault();this.stopAutoPlay();}else{if(this.busy||!this.fileReady){return;}}this.busy=true;var i,_i;if(direction=="next"){i=(this.currentIndex!=this.currentGallery.length-1)?this.currentIndex+=1:this.currentIndex=0;_i=(this.currentIndex!=this.currentGallery.length-1)?this.currentIndex+1:0;}else{i=(this.currentIndex!=0)?this.currentIndex-=1:this.currentIndex=this.currentGallery.length-1;_i=(this.currentIndex!=0)?this.currentIndex-1:this.currentGallery.length-1;}this.canvas.empty();this.description.empty();this.count.empty();this.loadFile(this.currentGallery[i],[this.currentGallery[_i]]);},prepareEffects:function(){this.overlay.set("tween",{duration:"short",link:"cancel"});this.center.set("tween",{duration:"short",link:"chain"});this.center.set("morph",{duration:this.options.resizeDuration,link:"chain",transition:this.options.resizeTransition});this.center.store("setFinalHeight",new Fx.Tween(this.center,{property:"height",duration:"short"}));this.canvas.set("tween",{link:"chain"});},prepareGalleries:function(responseElements){var milkbox_a=[];var a_tags=(responseElements)?responseElements:$$("a");a_tags.each(function(a){if(a.rel&&a.rel.test(/^milkbox/i)&&a.href.split("?")[0].test(/\.(gif|jpg|jpeg|png|swf)$/i)){if(a.rel.length>7&&!this.families.contains(a.rel)){this.families.push(a.rel);}milkbox_a.push(a);}},this);milkbox_a.each(function(a){$(a).store("href",a.href);$(a).store("rel",a.rel);$(a).store("title",a.title);if(this.checkFileType(a.href,"swf")){this.setFileProps($(a),a.rev);}if(this.options.removeTitle){$(a).removeProperty("title");}if(a.rel.length>7){this.families.each(function(f,i){if(a.rel==f){var gMounted=false;var index;this.galleries.each(function(g,k){if(g[0].rel==f){gMounted=true;index=k;return;}});if(gMounted==true){this.galleries[index].push($(a));}else{this.galleries.push([$(a)]);}}},this);}else{this.galleries.push([$(a)]);}},this);},prepareHTML:function(){this.overlay=new Element("div",{id:"mbOverlay",styles:{opacity:0,visibility:"visible",height:0,overflow:"hidden"}}).inject($(document.body));this.center=new Element("div",{id:"mbCenter",styles:{width:this.options.initialWidth,height:this.options.initialHeight,marginLeft:-(this.options.initialWidth/2),opacity:0}}).inject($(document.body));this.canvas=new Element("div",{id:"mbCanvas"}).inject(this.center);this.bottom=new Element("div",{id:"mbBottom"}).inject(this.center).setStyle("visibility","hidden");this.navigation=new Element("div",{id:"mbNavigation"}).setStyle("visibility","hidden");this.description=new Element("div",{id:"mbDescription"}).setStyle("visibility","hidden");this.bottom.adopt(this.navigation,this.description,new Element("div",{"class":"mbClear"}));this.close=new Element("a",{id:"mbCloseLink"});this.next=new Element("a",{id:"mbNextLink"});this.prev=new Element("a",{id:"mbPrevLink"});this.playpause=new Element("a",{id:"mbPlayPause"});this.count=new Element("span",{id:"mbCount"});$$(this.next,this.prev,this.count,this.playpause).setStyle("display","none");this.navigation.adopt(this.close,this.next,this.prev,this.playpause,new Element("div",{"class":"mbClear"}),this.count);},closeMilkbox:function(){this.cancelAllEffects();this.stopAutoPlay();this.setOptions(this.autoPlayBkup);this.currentFile=null;this.currentIndex=null;this.currentGallery=null;this.currentRequest=null;this.currentResponse=null;$$(this.prev,this.next,this.playpause,this.count).setStyle("display","none");this.playpause.setStyle("backgroundPosition","0 0");var border=this.center.getStyle("border-right-width").toInt();var navWidth=this.close.getSize().x+border;this.navigation.setStyles({width:navWidth,height:"",visibility:"hidden"});this.description.setStyle("margin-right",navWidth);this.description.empty();this.bottom.setStyles({visibility:"hidden",display:""});this.canvas.setStyles({opacity:0,width:"",height:""});this.canvas.empty();this.count.empty();this.center.setStyles({opacity:0,width:this.options.initialWidth,height:this.options.initialHeight,marginLeft:-(this.options.initialWidth/2)});this.overlay.tween("opacity",0);if(this.formtags&&this.formtags.length!=0){this.formtags.setStyle("display","");}this.mode=null;this.closed=true;this.first=true;this.fileReady=false;this.fireEvent("closed");},cancelAllEffects:function(){this.overlay.get("tween").cancel();this.center.get("morph").cancel();this.center.get("tween").cancel();this.center.retrieve("setFinalHeight").cancel();this.canvas.get("tween").cancel();}});window.addEvent('domready',function(){milkbox = new Milkbox();});
