"

From 2011.igem.org

/* This code is Maphilight Copyright (c) 2008 David Lynch, http://davidlynch.org/ on MIT License

• /

(function(F){var B,C,I,L,K,H,E,G,A,J;B=document.namespaces;has_canvas=!!document.createElement("canvas").getContext;if(!(has_canvas||B)){F.fn.maphilight=function(){return this};return }if(has_canvas){E=function(M){return Math.max(0,Math.min(parseInt(M,16),255))};G=function(M,N){return"rgba("+E(M.substr(0,2))+","+E(M.substr(2,2))+","+E(M.substr(4,2))+","+N+")"};C=function(M){var N=F('<canvas style="width:'+M.width+"px;height:"+M.height+'px;"></canvas>').get(0);N.getContext("2d").clearRect(0,0,N.width,N.height);return N};I=function(P,M,S,O,N){var R,Q=P.getContext("2d");Q.beginPath();if(M=="rect"){Q.rect(S[0],S[1],S[2]-S[0],S[3]-S[1])}else{if(M=="poly"){Q.moveTo(S[0],S[1]);for(R=2;R<S.length;R+=2){Q.lineTo(S[R],S[R+1])}}else{if(M=="circ"){Q.arc(S[0],S[1],S[2],0,Math.PI*2,false)}}}Q.closePath();if(O.fill){Q.fillStyle=G(O.fillColor,O.fillOpacity);Q.fill()}if(O.stroke){Q.strokeStyle=G(O.strokeColor,O.strokeOpacity);Q.lineWidth=O.strokeWidth;Q.stroke()}if(O.fade){F(P).css("opacity",0).animate({opacity:1},100)}};L=function(M){M.getContext("2d").clearRect(0,0,M.width,M.height)}}else{C=function(M){return F('').get(0)};I=function(N,Q,R,U,M){var S,T,O,P;S='<v:fill color="#'+U.fillColor+'" opacity="'+(U.fill?U.fillOpacity:0)+'" />';T=(U.stroke?'strokeweight="'+U.strokeWidth+'" stroked="t" strokecolor="#'+U.strokeColor+'"':'stroked="f"');O='<v:stroke opacity="'+U.strokeOpacity+'"/>';if(Q=="rect"){P=F('<v:rect name="'+M+'" filled="t" '+T+' style="zoom:1;margin:0;padding:0;display:block;position:absolute;left:'+R[0]+"px;top:"+R[1]+"px;width:"+(R[2]-R[0])+"px;height:"+(R[3]-R[1])+'px;"></v:rect>')}else{if(Q=="poly"){P=F('<v:shape name="'+M+'" filled="t" '+T+' coordorigin="0,0" coordsize="'+N.width+","+N.height+'" path="m '+R[0]+","+R[1]+" l "+R.join(",")+' x e" style="zoom:1;margin:0;padding:0;display:block;position:absolute;top:0px;left:0px;width:'+N.width+"px;height:"+N.height+'px;"></v:shape>')}else{if(Q=="circ"){P=F('<v:oval name="'+M+'" filled="t" '+T+' style="zoom:1;margin:0;padding:0;display:block;position:absolute;left:'+(R[0]-R[2])+"px;top:"+(R[1]-R[2])+"px;width:"+(R[2]*2)+"px;height:"+(R[2]*2)+'px;"></v:oval>')}}}P.get(0).innerHTML=S+O;F(N).append(P)};L=function(M){F(M).find("[name=highlighted]").remove()}}K=function(N){var M,O=N.getAttribute("coords").split(",");for(M=0;M<O.length;M++){O[M]=parseFloat(O[M])}return[N.getAttribute("shape").toLowerCase().substr(0,4),O]};J=function(O,N){var M=F(O);return F.extend({},N,F.metadata?M.metadata():false,M.data("maphilight"))};A=function(M){if(!M.complete){return false}if(typeof M.naturalWidth!="undefined"&&M.naturalWidth==0){return false}return true};H={position:"absolute",left:0,top:0,padding:0,border:0};var D=false;F.fn.maphilight=function(O){O=F.extend({},F.fn.maphilight.defaults,O);if(!has_canvas&&F.browser.msie&&!D){document.namespaces.add("v","urn:schemas-microsoft-com:vml");var N=document.createStyleSheet();var M=["shape","rect","oval","circ","fill","stroke","imagedata","group","textbox"];F.each(M,function(){N.addRule("v\\:"+this,"behavior: url(#default#VML); antialias:true")});D=true}return this.each(function(){var U,R,Y,Q,T,V,X,S,W;U=F(this);if(!A(this)){return window.setTimeout(function(){U.maphilight(O)},200)}Y=F.extend({},O,F.metadata?U.metadata():false,U.data("maphilight"));W=U.get(0).getAttribute("usemap");Q=F('map[name="'+W.substr(1)+'"]');if(!(U.is("img")&&W&&Q.size()>0)){return }if(U.hasClass("maphilighted")){var P=U.parent();U.insertBefore(P);P.remove();F(Q).unbind(".maphilight").find("area[coords]").unbind(".maphilight")}R=F("").css({display:"block",background:'url("'+this.src+'")',position:"relative",padding:0,width:this.width,height:this.height});if(Y.wrapClass){if(Y.wrapClass===true){R.addClass(F(this).attr("class"))}else{R.addClass(Y.wrapClass)}}U.before(R).css("opacity",0).css(H).remove();if(F.browser.msie){U.css("filter","Alpha(opacity=0)")}R.append(U);T=C(this);F(T).css(H);T.height=this.height;T.width=this.width;X=function(c){var a,b;b=J(this,Y);if(!b.neverOn&&!b.alwaysOn){a=K(this);I(T,a[0],a[1],b,"highlighted");if(b.groupBy){var Z;if(/^[a-zA-Z][-a-zA-Z]+$/.test(b.groupBy)){Z=Q.find("area["+b.groupBy+'="'+F(this).attr(b.groupBy)+'"]')}else{Z=Q.find(b.groupBy)}var d=this;Z.each(function(){if(this!=d){var f=J(this,Y);if(!f.neverOn&&!f.alwaysOn){var e=K(this);I(T,e[0],e[1],f,"highlighted")}}})}if(!has_canvas){F(T).append("<v:rect></v:rect>")}}};F(Q).bind("alwaysOn.maphilight",function(){if(V){L(V)}if(!has_canvas){F(T).empty()}F(Q).find("area[coords]").each(function(){var Z,a;a=J(this,Y);if(a.alwaysOn){if(!V&&has_canvas){V=C(U.get());F(V).css(H);V.width=U.width();V.height=U.height();U.before(V)}a.fade=a.alwaysOnFade;Z=K(this);if(has_canvas){I(V,Z[0],Z[1],a,"")}else{I(T,Z[0],Z[1],a,"")}}})});F(Q).trigger("alwaysOn.maphilight").find("area[coords]").bind("mouseover.maphilight",X).bind("mouseout.maphilight",function(Z){L(T)});U.before(T);U.addClass("maphilighted")})};F.fn.maphilight.defaults={fill:true,fillColor:"000000",fillOpacity:0.2,stroke:true,strokeColor:"ff0000",strokeOpacity:1,strokeWidth:1,fade:true,alwaysOn:false,neverOn:false,groupBy:false,wrapClass:true}})(jQuery);