/**
 * ReMooz - Zoomer
 *
 * Inspired by so many boxes and zooms
 *
 * @version		1.0
 *
 * @license		MIT-style license
 * @author		Harald Kirschner <mail [at] digitarald.de>
 * @copyright	Author
 */
var ReMooz=new Class({Implements:[Events,Options,Chain],options:{link:null,type:"image",container:null,className:null,centered:true,dragging:true,closeOnClick:true,shadow:(Browser.Engine.trident)?"onOpenEnd":"onOpen",resize:true,margin:20,resizeFactor:0.85,resizeLimit:false,fixedSize:false,cutOut:true,addClick:true,opacityLoad:0.6,opacityResize:1,opacityTitle:0.9,resizeOptions:{},fxOptions:{},closer:true,parse:true,parseSecure:false,temporary:false,onBuild:$empty,onLoad:$empty,onOpen:$empty,onOpenEnd:$empty,onClose:$empty,onCloseEnd:$empty,generateTitle:function(el){var text=el.get("title");if(!text){return false;}var title=text.split(" :: ");var head=new Element("h6",{"html":title[0]});return(title[1])?[head,new Element("p",{"html":title[1]})]:head;}},initialize:function(element,options){this.element=$(element);this.setOptions(options);if(this.options.parse){var obj=this.element.getProperty(this.options.parse);if(obj&&(obj=JSON.decode(obj,this.options.parseSecure))){this.setOptions(obj);}}var origin=this.options.origin;this.origin=((origin)?$(origin)||this.element.getElement(origin):null)||this.element;this.link=this.options.link||this.element.get("href")||this.element.get("src");this.container=$(this.options.container)||this.element.getDocument();this.bound={"click":function(e){this.open.delay(1,this);return false;}.bind(this),"close":this.close.bind(this),"dragClose":function(e){if(e.rightClick){return;}this.close();}.bind(this)};if(this.options.addClick){this.bindToElement();}},destroy:function(){if(this.box){this.box.destroy();}this.box=this.tweens=this.body=this.content=null;},bindToElement:function(element){($(element)||this.element).addClass("remooz-element").addEvent("click",this.bound.click);return this;},getOriginCoordinates:function(){var coords=this.origin.getCoordinates();delete coords.right;delete coords.bottom;return coords;},open:function(e){if(this.opened){return(e)?this.close():this;}this.opened=this.loading=true;if(!this.box){this.build();}this.coords=this.getOriginCoordinates();this.coords.opacity=this.options.opacityLoad;this.coords.display="";this.tweens.box.set(this.coords);this.box.addClass("remooz-loading");ReMooz.open(this.fireEvent("onLoad"));this["open"+this.options.type.capitalize()]();return this;},finishOpen:function(){this.tweens.fade.start(0,1);this.drag.attach();this.fireEvent("onOpenEnd").callChain();},close:function(){if(!this.opened){return this;}this.opened=false;ReMooz.close(this.fireEvent("onClose"));if(this.loading){this.box.setStyle("display","none");return this;}this.drag.detach();this.tweens.fade.cancel().set(0).fireEvent("onComplete");if(this.tweens.box.timer){this.tweens.box.clearChain();}var vars=this.getOriginCoordinates();if(this.options.opacityResize!=1){vars.opacity=this.options.opacityResize;}this.tweens.box.start(vars).chain(this.closeEnd.bind(this));return this;},closeEnd:function(){if(this.options.cutOut){this.element.setStyle("visibility","visible");}this.box.setStyle("display","none");this.fireEvent("onCloseEnd").callChain();if(this.options.temporary){this.destroy();}},openImage:function(){var tmp=new Image();tmp.onload=tmp.onabort=tmp.onerror=function(fast){this.loading=tmp.onload=tmp.onabort=tmp.onerror=null;if(!tmp.width||!this.opened){this.fireEvent("onError").close();return;}var to={x:tmp.width,y:tmp.height};if(!this.content){this.content=$(tmp).inject(this.body);}else{tmp=null;}this[(this.options.resize)?"zoomRelativeTo":"zoomTo"].create({"delay":(tmp&&fast!==true)?1:null,"arguments":[to],"bind":this})();}.bind(this);tmp.src=this.link;if(tmp&&tmp.complete&&tmp.onload){tmp.onload(true);}},openElement:function(){this.content=this.content||$(this.link)||$E(this.link);if(!this.content){this.fireEvent("onError").close();return;}this.content.inject(this.body);this.zoomTo({x:this.content.scrollWidth,y:this.content.scrollHeight});},zoomRelativeTo:function(to){var scale=this.options.resizeLimit;if(!scale){scale=this.container.getSize();scale.x*=this.options.resizeFactor;scale.y*=this.options.resizeFactor;}for(var i=2;i--;){if(to.x>scale.x){to.y*=scale.x/to.x;to.x=scale.x;}else{if(to.y>scale.y){to.x*=scale.y/to.y;to.y=scale.y;}}}return this.zoomTo({x:to.x.toInt(),y:to.y.toInt()});},zoomTo:function(to){to=this.options.fixedSize||to;var box=this.container.getSize(),scroll=this.container.getScroll();var pos=(!this.options.centered)?{x:(this.coords.left+(this.coords.width/2)-to.x/2).toInt().limit(scroll.x+this.options.margin,scroll.x+box.x-this.options.margin-to.x),y:(this.coords.top+(this.coords.height/2)-to.y/2).toInt().limit(scroll.y+this.options.margin,scroll.y+box.y-this.options.margin-to.y)}:{x:scroll.x+((box.x-to.x)/2).toInt(),y:scroll.y+((box.y-to.y)/2).toInt()};if(this.options.cutOut){this.element.setStyle("visibility","hidden");}this.box.removeClass("remooz-loading");var vars={left:pos.x,top:pos.y,width:to.x,height:to.y};if(this.options.opacityResize!=1){vars.opacity=[this.options.opacityResize,1];}else{this.box.set("opacity",1);}this.tweens.box.start(vars).chain(this.finishOpen.bind(this));this.fireEvent("onOpen");},build:function(){this.addEvent("onBlur",function(){this.focused=false;this.box.removeClass("remooz-box-focus").setStyle("z-index",ReMooz.options.zIndex);},true);this.addEvent("onFocus",function(){this.focused=true;this.box.addClass("remooz-box-focus").setStyle("z-index",ReMooz.options.zIndexFocus);},true);var classes=["remooz-box","remooz-type-"+this.options.type,"remooz-engine-"+Browser.Engine.name+Browser.Engine.version];if(this.options.className){classes.push(this.options.className);}this.box=new Element("div",{"class":classes.join(" "),"styles":{"display":"none","top":0,"left":0,"zIndex":ReMooz.options.zIndex}});this.tweens={"box":new Fx.Morph(this.box,$merge({"duration":400,"unit":"px","transition":Fx.Transitions.Quart.easeOut,"chain":"cancel"},this.options.resizeOptions)),"fade":new Fx.Tween(null,$merge({"property":"opacity","duration":(Browser.Engine.trident)?0:300,"chain":"cancel"},this.options.fxOptions)).addEvents({"onComplete":function(){if(!this.element.get("opacity")){this.element.setStyle("display","none");}},"onStart":function(){if(!this.element.get("opacity")){this.element.setStyle("display","");}}})};this.tweens.fade.element=$$();if(this.options.shadow){if(Browser.Engine.webkit420){this.box.setStyle("-webkit-box-shadow","0 0 10px rgba(0, 0, 0, 0.7)");}else{if(!Browser.Engine.trident4){var shadow=new Element("div",{"class":"remooz-bg-wrap"}).inject(this.box);["n","ne","e","se","s","sw","w","nw"].each(function(dir){new Element("div",{"class":"remooz-bg remooz-bg-"+dir}).inject(shadow);});this.tweens.bg=new Fx.Tween(shadow,{"property":"opacity","chain":"cancel"}).set(0);this.addEvent(this.options.shadow,this.tweens.bg.set.bind(this.tweens.bg,1),true);this.addEvent("onClose",this.tweens.bg.set.bind(this.tweens.bg,0),true);}}}if(this.options.closer){var closer=new Element("a",{"class":"remooz-btn-close","events":{"click":this.bound.close}}).inject(this.box);this.tweens.fade.element.push(closer);}this.body=new Element("div",{"class":"remooz-body"}).inject(this.box);var title=this.options.title||this.options.generateTitle.call(this,this.element);if(title){var title=new Element("div",{"class":"remooz-title"}).adopt(new Element("div",{"class":"remooz-title-bg","opacity":this.options.opacityTitle}),new Element("div",{"class":"remooz-title-content"}).adopt(title)).inject(this.box);this.tweens.fade.element.push(title);}this.tweens.fade.set(0).fireEvent("onComplete");this.drag=new Drag.Move(this.box,{"snap":15,"preventDefault":true,"onBeforeStart":function(){if(!this.focused&&!this.loading){ReMooz.focus(this);}else{if(this.loading||this.options.closeOnClick){this.box.addEvent("mouseup",this.bound.dragClose);}}}.bind(this),"onSnap":function(){this.box.removeEvent("mouseup",this.bound.dragClose);if(!this.options.dragging){this.drag.stop();}else{this.box.addClass("remooz-box-dragging");}}.bind(this),"onComplete":function(){this.box.removeClass("remooz-box-dragging");}.bind(this)});this.drag.detach();this.fireEvent("onBuild",this.box,this.element);this.box.inject(this.element.getDocument().body);}});ReMooz.factory=function(extended){return $extend(this,extended);};ReMooz.factory(new Options).factory({options:{zIndex:41,zIndexFocus:42,query:"a.remooz",modal:false},assign:function(elements,options){return $$(elements).map(function(element){return new ReMooz(element,options);},this);},stack:[],open:function(obj){var last=this.stack.getLast();this.focus(obj);if(last&&this.options.modal){last.close();}},close:function(obj){var length=this.stack.length-1;if(length>1&&this.stack[length]==obj){this.focus(this.stack[length-1]);}this.stack.erase(obj);},focus:function(obj){var last=this.stack.getLast();obj.fireEvent("onFocus",[obj]);if(last==obj){return;}if(last){last.fireEvent("onBlur",[last]);}this.stack.erase(obj).push(obj);}});