cluster.js

function d(a){return function(b){this[a]=b}}function f(a){return function(){return this[a]}}var k;
function l(a,b,c){this.extend(l,google.maps.OverlayView);this.b=a;this.a=[];this.f=[];this.da=[53,56,66,78,90];this.j=[];this.A=!1;c=c||{};this.g=c.gridSize||60;this.l=c.minimumClusterSize||2;this.K=c.maxZoom||null;this.j=c.styles||[];this.Y=c.imagePath||this.R;this.X=c.imageExtension||this.Q;this.P=!0;void 0!=c.zoomOnClick&&(this.P=c.zoomOnClick);this.r=!1;void 0!=c.averageCenter&&(this.r=c.averageCenter);m(this);this.setMap(a);this.L=this.b.getZoom();var e=this;google.maps.event.addListener(this.b,
"zoom_changed",function(){var a=e.b.getZoom(),b=e.b.minZoom||0,c=Math.min(e.b.maxZoom||100,e.b.mapTypes[e.b.getMapTypeId()].maxZoom),a=Math.min(Math.max(a,b),c);e.L!=a&&(e.L=a,e.m())});google.maps.event.addListener(this.b,"idle",function(){e.i()});b&&(b.length||Object.keys(b).length)&&this.C(b,!1)}k=l.prototype;k.R="http://google-maps-utility-library-v3.googlecode.com/svn/trunk/markerclusterer/images/m";k.Q="png";
k.extend=function(a,b){return function(a){for(var b in a.prototype)this.prototype[b]=a.prototype[b];return this}.apply(a,[b])};k.onAdd=function(){this.A||(this.A=!0,p(this))};k.draw=function(){};function m(a){if(!a.j.length)for(var b=0,c;c=a.da[b];b++)a.j.push({url:a.Y+(b+1)+"."+a.X,height:c,width:c})}k.T=function(){for(var a=this.o(),b=new google.maps.LatLngBounds,c=0,e;e=a[c];c++)b.extend(e.getPosition());this.b.fitBounds(b)};k.w=f("j");k.o=f("a");k.W=function(){return this.a.length};k.ca=d("K");
k.J=f("K");k.G=function(a,b){for(var c=0,e=a.length,g=e;0!==g;)g=parseInt(g/10,10),c++;c=Math.min(c,b);return{text:e,index:c}};k.aa=d("G");k.H=f("G");k.C=function(a,b){if(a.length)for(var c=0,e;e=a[c];c++)s(this,e);else if(Object.keys(a).length)for(e in a)s(this,a[e]);b||this.i()};function s(a,b){b.s=!1;b.draggable&&google.maps.event.addListener(b,"dragend",function(){b.s=!1;a.M()});a.a.push(b)}k.q=function(a,b){s(this,a);b||this.i()};
function t(a,b){var c=-1;if(a.a.indexOf)c=a.a.indexOf(b);else for(var e=0,g;g=a.a[e];e++)if(g==b){c=e;break}if(-1==c)return!1;b.setMap(null);a.a.splice(c,1);return!0}k.Z=function(a,b){var c=t(this,a);return!b&&c?(this.m(),this.i(),!0):!1};k.$=function(a,b){for(var c=!1,e=0,g;g=a[e];e++)g=t(this,g),c=c||g;if(!b&&c)return this.m(),this.i(),!0};k.V=function(){return this.f.length};k.getMap=f("b");k.setMap=d("b");k.I=f("g");k.ba=d("g");
k.v=function(a){var b=this.getProjection(),c=new google.maps.LatLng(a.getNorthEast().lat(),a.getNorthEast().lng()),e=new google.maps.LatLng(a.getSouthWest().lat(),a.getSouthWest().lng()),c=b.fromLatLngToDivPixel(c);c.x+=this.g;c.y-=this.g;e=b.fromLatLngToDivPixel(e);e.x-=this.g;e.y+=this.g;c=b.fromDivPixelToLatLng(c);b=b.fromDivPixelToLatLng(e);a.extend(c);a.extend(b);return a};k.S=function(){this.m(!0);this.a=[]};
k.m=function(a){for(var b=0,c;c=this.f[b];b++)c.remove();for(b=0;c=this.a[b];b++)c.s=!1,a&&c.setMap(null);this.f=[]};k.M=function(){var a=this.f.slice();this.f.length=0;this.m();this.i();window.setTimeout(function(){for(var b=0,c;c=a[b];b++)c.remove()},0)};k.i=function(){p(this)};
function p(a){if(a.A)for(var b=new google.maps.LatLngBounds(a.b.getBounds().getSouthWest(),a.b.getBounds().getNorthEast()),b=a.v(b),c=0,e;e=a.a[c];c++)if(!e.s&&b.contains(e.getPosition())){for(var g=a,u=4E4,q=null,x=0,n=void 0;n=g.f[x];x++){var h=n.getCenter();if(h){var r=e.getPosition();if(h&&r)var y=(r.lat()-h.lat())*Math.PI/180,z=(r.lng()-h.lng())*Math.PI/180,h=Math.sin(y/2)*Math.sin(y/2)+Math.cos(h.lat()*Math.PI/180)*Math.cos(r.lat()*Math.PI/180)*Math.sin(z/2)*Math.sin(z/2),h=12742*Math.atan2(Math.sqrt(h),
Math.sqrt(1-h));else h=0;h<u&&(u=h,q=n)}}q&&q.F.contains(e.getPosition())?q.q(e):(n=new v(g),n.q(e),g.f.push(n))}}function v(a){this.k=a;this.b=a.getMap();this.g=a.I();this.l=a.l;this.r=a.r;this.d=null;this.a=[];this.F=null;this.n=new w(this,a.w())}k=v.prototype;
k.q=function(a){var b;a:if(this.a.indexOf)b=-1!=this.a.indexOf(a);else{b=0;for(var c;c=this.a[b];b++)if(c==a){b=!0;break a}b=!1}if(b)return!1;this.d?this.r&&(c=this.a.length+1,b=(this.d.lat()*(c-1)+a.getPosition().lat())/c,c=(this.d.lng()*(c-1)+a.getPosition().lng())/c,this.d=new google.maps.LatLng(b,c),A(this)):(this.d=a.getPosition(),A(this));a.s=!0;this.a.push(a);b=this.a.length;b<this.l&&a.getMap()!=this.b&&a.setMap(this.b);if(b==this.l)for(c=0;c<b;c++)this.a[c].setMap(null);b>=this.l&&a.setMap(null);
a=this.b.getZoom();if((b=this.k.J())&&a>b)for(a=0;b=this.a[a];a++)b.setMap(this.b);else this.a.length<this.l?B(this.n):(b=this.k.H()(this.a,this.k.w().length),this.n.setCenter(this.d),a=this.n,a.B=b,a.c&&(a.c.innerHTML=b.text),b=Math.max(0,a.B.index-1),b=Math.min(a.j.length-1,b),b=a.j[b],a.ea=b.url,a.h=b.height,a.p=b.width,a.N=b.textColor,a.e=b.anchor,a.O=b.textSize,a.D=b.backgroundPosition,this.n.show());return!0};
k.getBounds=function(){for(var a=new google.maps.LatLngBounds(this.d,this.d),b=this.o(),c=0,e;e=b[c];c++)a.extend(e.getPosition());return a};k.remove=function(){this.n.remove();this.a.length=0;delete this.a};k.U=function(){return this.a.length};k.o=f("a");k.getCenter=f("d");function A(a){var b=new google.maps.LatLngBounds(a.d,a.d);a.F=a.k.v(b)}k.getMap=f("b");
function w(a,b){a.k.extend(w,google.maps.OverlayView);this.j=b;this.u=a;this.d=null;this.b=a.getMap();this.B=this.c=null;this.t=!1;this.setMap(this.b)}k=w.prototype;
k.onAdd=function(){this.c=document.createElement("DIV");if(this.t){var a=C(this,this.d);this.c.style.cssText=D(this,a);this.c.innerHTML=this.B.text}this.getPanes().overlayMouseTarget.appendChild(this.c);var b=this;google.maps.event.addDomListener(this.c,"click",function(){var a=b.u.k;google.maps.event.trigger(a,"clusterclick",b.u);a.P&&b.b.fitBounds(b.u.getBounds())})};function C(a,b){var c=a.getProjection().fromLatLngToDivPixel(b);c.x-=parseInt(a.p/2,10);c.y-=parseInt(a.h/2,10);return c}
k.draw=function(){if(this.t){var a=C(this,this.d);this.c.style.top=a.y+"px";this.c.style.left=a.x+"px"}};function B(a){a.c&&(a.c.style.display="none");a.t=!1}k.show=function(){if(this.c){var a=C(this,this.d);this.c.style.cssText=D(this,a);this.c.style.display=""}this.t=!0};k.remove=function(){this.setMap(null)};k.onRemove=function(){this.c&&this.c.parentNode&&(B(this),this.c.parentNode.removeChild(this.c),this.c=null)};k.setCenter=d("d");
function D(a,b){var c=[];c.push("background-image:url("+a.ea+");");c.push("background-position:"+(a.D?a.D:"0 0")+";");"object"===typeof a.e?("number"===typeof a.e[0]&&0<a.e[0]&&a.e[0]<a.h?c.push("height:"+(a.h-a.e[0])+"px; padding-top:"+a.e[0]+"px;"):c.push("height:"+a.h+"px; line-height:"+a.h+"px;"),"number"===typeof a.e[1]&&0<a.e[1]&&a.e[1]<a.p?c.push("width:"+(a.p-a.e[1])+"px; padding-left:"+a.e[1]+"px;"):c.push("width:"+a.p+"px; text-align:center;")):c.push("height:"+a.h+"px; line-height:"+a.h+
"px; width:"+a.p+"px; text-align:center;");c.push("cursor:pointer; top:"+b.y+"px; left:"+b.x+"px; color:"+(a.N?a.N:"black")+"; position:absolute; font-size:"+(a.O?a.O:11)+"px; font-family:Arial,sans-serif; font-weight:bold");return c.join("")}window.MarkerClusterer=l;l.prototype.addMarker=l.prototype.q;l.prototype.addMarkers=l.prototype.C;l.prototype.clearMarkers=l.prototype.S;l.prototype.fitMapToMarkers=l.prototype.T;l.prototype.getCalculator=l.prototype.H;l.prototype.getGridSize=l.prototype.I;
l.prototype.getExtendedBounds=l.prototype.v;l.prototype.getMap=l.prototype.getMap;l.prototype.getMarkers=l.prototype.o;l.prototype.getMaxZoom=l.prototype.J;l.prototype.getStyles=l.prototype.w;l.prototype.getTotalClusters=l.prototype.V;l.prototype.getTotalMarkers=l.prototype.W;l.prototype.redraw=l.prototype.i;l.prototype.removeMarker=l.prototype.Z;l.prototype.removeMarkers=l.prototype.$;l.prototype.resetViewport=l.prototype.m;l.prototype.repaint=l.prototype.M;l.prototype.setCalculator=l.prototype.aa;
l.prototype.setGridSize=l.prototype.ba;l.prototype.setMaxZoom=l.prototype.ca;l.prototype.onAdd=l.prototype.onAdd;l.prototype.draw=l.prototype.draw;v.prototype.getCenter=v.prototype.getCenter;v.prototype.getSize=v.prototype.U;v.prototype.getMarkers=v.prototype.o;w.prototype.onAdd=w.prototype.onAdd;w.prototype.draw=w.prototype.draw;w.prototype.onRemove=w.prototype.onRemove;Object.keys=Object.keys||function(a){var b=[],c;for(c in a)a.hasOwnProperty(c)&&b.push(c);return b};