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✏️ Editing: markerclusterer_packed.js

//Marker Clusterer Plus 2.1.4
function ClusterIcon(cluster,styles){cluster.getMarkerClusterer().extend(ClusterIcon,google.maps.OverlayView),this.cluster_=cluster,this.className_=cluster.getMarkerClusterer().getClusterClass(),this.styles_=styles,this.center_=null,this.div_=null,this.sums_=null,this.visible_=!1,this.setMap(cluster.getMap())}function Cluster(mc){this.markerClusterer_=mc,this.map_=mc.getMap(),this.gridSize_=mc.getGridSize(),this.minClusterSize_=mc.getMinimumClusterSize(),this.averageCenter_=mc.getAverageCenter(),this.hideLabel_=mc.getHideLabel(),this.markers_=[],this.center_=null,this.bounds_=null,this.clusterIcon_=new ClusterIcon(this,mc.getStyles())}function MarkerClusterer(map,opt_markers,opt_options){this.extend(MarkerClusterer,google.maps.OverlayView),opt_markers=opt_markers||[],opt_options=opt_options||{},this.markers_=[],this.clusters_=[],this.listeners_=[],this.activeMap_=null,this.ready_=!1,this.gridSize_=opt_options.gridSize||60,this.minClusterSize_=opt_options.minimumClusterSize||2,this.maxZoom_=opt_options.maxZoom||null,this.styles_=opt_options.styles||[],this.title_=opt_options.title||"",this.zoomOnClick_=!0,void 0!==opt_options.zoomOnClick&&(this.zoomOnClick_=opt_options.zoomOnClick),this.averageCenter_=!1,void 0!==opt_options.averageCenter&&(this.averageCenter_=opt_options.averageCenter),this.ignoreHidden_=!1,void 0!==opt_options.ignoreHidden&&(this.ignoreHidden_=opt_options.ignoreHidden),this.enableRetinaIcons_=!1,void 0!==opt_options.enableRetinaIcons&&(this.enableRetinaIcons_=opt_options.enableRetinaIcons),this.hideLabel_=!1,void 0!==opt_options.hideLabel&&(this.hideLabel_=opt_options.hideLabel),this.imagePath_=opt_options.imagePath||MarkerClusterer.IMAGE_PATH,this.imageExtension_=opt_options.imageExtension||MarkerClusterer.IMAGE_EXTENSION,this.imageSizes_=opt_options.imageSizes||MarkerClusterer.IMAGE_SIZES,this.calculator_=opt_options.calculator||MarkerClusterer.CALCULATOR,this.batchSize_=opt_options.batchSize||MarkerClusterer.BATCH_SIZE,this.batchSizeIE_=opt_options.batchSizeIE||MarkerClusterer.BATCH_SIZE_IE,this.clusterClass_=opt_options.clusterClass||"cluster",-1!==navigator.userAgent.toLowerCase().indexOf("msie")&&(this.batchSize_=this.batchSizeIE_),this.setupStyles_(),this.addMarkers(opt_markers,!0),this.setMap(map)}ClusterIcon.prototype.onAdd=function(){var cMouseDownInCluster,cDraggingMapByCluster,cClusterIcon=this;this.div_=document.createElement("div"),this.div_.className=this.className_,this.visible_&&this.show(),this.getPanes().overlayMouseTarget.appendChild(this.div_),this.boundsChangedListener_=google.maps.event.addListener(this.getMap(),"bounds_changed",function(){cDraggingMapByCluster=cMouseDownInCluster}),google.maps.event.addDomListener(this.div_,"mousedown",function(){cMouseDownInCluster=!0,cDraggingMapByCluster=!1}),google.maps.event.addDomListener(this.div_,"click",function(e){if(cMouseDownInCluster=!1,!cDraggingMapByCluster){var theBounds,mz,mc=cClusterIcon.cluster_.getMarkerClusterer();google.maps.event.trigger(mc,"click",cClusterIcon.cluster_),google.maps.event.trigger(mc,"clusterclick",cClusterIcon.cluster_),mc.getZoomOnClick()&&(mz=mc.getMaxZoom(),theBounds=cClusterIcon.cluster_.getBounds(),mc.getMap().fitBounds(theBounds),setTimeout(function(){mc.getMap().fitBounds(theBounds),null!==mz&&mc.getMap().getZoom()>mz&&mc.getMap().setZoom(mz+1)},100)),e.cancelBubble=!0,e.stopPropagation&&e.stopPropagation()}}),google.maps.event.addDomListener(this.div_,"mouseover",function(){var mc=cClusterIcon.cluster_.getMarkerClusterer();google.maps.event.trigger(mc,"mouseover",cClusterIcon.cluster_)}),google.maps.event.addDomListener(this.div_,"mouseout",function(){var mc=cClusterIcon.cluster_.getMarkerClusterer();google.maps.event.trigger(mc,"mouseout",cClusterIcon.cluster_)})},ClusterIcon.prototype.onRemove=function(){this.div_&&this.div_.parentNode&&(this.hide(),google.maps.event.removeListener(this.boundsChangedListener_),google.maps.event.clearInstanceListeners(this.div_),this.div_.parentNode.removeChild(this.div_),this.div_=null)},ClusterIcon.prototype.draw=function(){if(this.visible_){var pos=this.getPosFromLatLng_(this.center_);this.div_.style.top=pos.y+"px",this.div_.style.left=pos.x+"px"}},ClusterIcon.prototype.hide=function(){this.div_&&(this.div_.style.display="none"),this.visible_=!1},ClusterIcon.prototype.show=function(){if(this.div_){var img="",bp=this.backgroundPosition_.split(" "),spriteH=parseInt(bp[0].trim(),10),spriteV=parseInt(bp[1].trim(),10),pos=this.getPosFromLatLng_(this.center_);this.div_.style.cssText=this.createCss(pos),img="<img src='"+this.url_+"' style='position: absolute; top: "+spriteV+"px; left: "+spriteH+"px; ",img+=this.cluster_.getMarkerClusterer().enableRetinaIcons_?"width: "+this.width_+"px;height: "+this.height_+"px;":"clip: rect("+-1*spriteV+"px, "+(-1*spriteH+this.width_)+"px, "+(-1*spriteV+this.height_)+"px, "+-1*spriteH+"px);",img+="'>",this.div_.innerHTML=img+"<div style='position: absolute;top: "+this.anchorText_[0]+"px;left: "+this.anchorText_[1]+"px;color: "+this.textColor_+";font-size: "+this.textSize_+"px;font-family: "+this.fontFamily_+";font-weight: "+this.fontWeight_+";font-style: "+this.fontStyle_+";text-decoration: "+this.textDecoration_+";text-align: center;width: "+this.width_+"px;line-height:"+this.height_+"px;'>"+(this.cluster_.hideLabel_?" ":this.sums_.text)+"</div>",this.div_.title="undefined"==typeof this.sums_.title||""===this.sums_.title?this.cluster_.getMarkerClusterer().getTitle():this.sums_.title,this.div_.style.display=""}this.visible_=!0},ClusterIcon.prototype.useStyle=function(sums){this.sums_=sums;var index=Math.max(0,sums.index-1);index=Math.min(this.styles_.length-1,index);var style=this.styles_[index];this.url_=style.url,this.height_=style.height,this.width_=style.width,this.anchorText_=style.anchorText||[0,0],this.anchorIcon_=style.anchorIcon||[parseInt(this.height_/2,10),parseInt(this.width_/2,10)],this.textColor_=style.textColor||"black",this.textSize_=style.textSize||11,this.textDecoration_=style.textDecoration||"none",this.fontWeight_=style.fontWeight||"bold",this.fontStyle_=style.fontStyle||"normal",this.fontFamily_=style.fontFamily||"Arial,sans-serif",this.backgroundPosition_=style.backgroundPosition||"0 0"},ClusterIcon.prototype.setCenter=function(center){this.center_=center},ClusterIcon.prototype.createCss=function(pos){var style=[];return style.push("cursor: pointer;"),style.push("position: absolute; top: "+pos.y+"px; left: "+pos.x+"px;"),style.push("width: "+this.width_+"px; height: "+this.height_+"px;"),style.join("")},ClusterIcon.prototype.getPosFromLatLng_=function(latlng){var pos=this.getProjection().fromLatLngToDivPixel(latlng);return pos.x-=this.anchorIcon_[1],pos.y-=this.anchorIcon_[0],pos.x=parseInt(pos.x,10),pos.y=parseInt(pos.y,10),pos},Cluster.prototype.getSize=function(){return this.markers_.length},Cluster.prototype.getMarkers=function(){return this.markers_},Cluster.prototype.getCenter=function(){return this.center_},Cluster.prototype.getMap=function(){return this.map_},Cluster.prototype.getMarkerClusterer=function(){return this.markerClusterer_},Cluster.prototype.getBounds=function(){var i,bounds=new google.maps.LatLngBounds(this.center_,this.center_),markers=this.getMarkers();for(i=0;i<markers.length;i++)bounds.extend(markers[i].getPosition());return bounds},Cluster.prototype.remove=function(){this.clusterIcon_.setMap(null),this.markers_=[],delete this.markers_},Cluster.prototype.addMarker=function(marker){var i,mCount,mz;if(this.isMarkerAlreadyAdded_(marker))return!1;if(this.center_){if(this.averageCenter_){var l=this.markers_.length+1,lat=(this.center_.lat()*(l-1)+marker.getPosition().lat())/l,lng=(this.center_.lng()*(l-1)+marker.getPosition().lng())/l;this.center_=new google.maps.LatLng(lat,lng),this.calculateBounds_()}}else this.center_=marker.getPosition(),this.calculateBounds_();if(marker.isAdded=!0,this.markers_.push(marker),mCount=this.markers_.length,mz=this.markerClusterer_.getMaxZoom(),null!==mz&&this.map_.getZoom()>mz)marker.getMap()!==this.map_&&marker.setMap(this.map_);else if(mCount<this.minClusterSize_)marker.getMap()!==this.map_&&marker.setMap(this.map_);else if(mCount===this.minClusterSize_)for(i=0;mCount>i;i++)this.markers_[i].setMap(null);else marker.setMap(null);return!0},Cluster.prototype.isMarkerInClusterBounds=function(marker){return this.bounds_.contains(marker.getPosition())},Cluster.prototype.calculateBounds_=function(){var bounds=new google.maps.LatLngBounds(this.center_,this.center_);this.bounds_=this.markerClusterer_.getExtendedBounds(bounds)},Cluster.prototype.updateIcon_=function(){var mCount=this.markers_.length,mz=this.markerClusterer_.getMaxZoom();if(null!==mz&&this.map_.getZoom()>mz)return void this.clusterIcon_.hide();if(mCount<this.minClusterSize_)return void this.clusterIcon_.hide();var numStyles=this.markerClusterer_.getStyles().length,sums=this.markerClusterer_.getCalculator()(this.markers_,numStyles);this.clusterIcon_.setCenter(this.center_),this.clusterIcon_.useStyle(sums),this.clusterIcon_.show()},Cluster.prototype.isMarkerAlreadyAdded_=function(marker){for(var i=0,n=this.markers_.length;n>i;i++)if(marker===this.markers_[i])return!0;return!1},MarkerClusterer.prototype.onAdd=function(){var cMarkerClusterer=this;this.activeMap_=this.getMap(),this.ready_=!0,this.repaint(),this.listeners_=[google.maps.event.addListener(this.getMap(),"zoom_changed",function(){cMarkerClusterer.resetViewport_(!1),(this.getZoom()===(this.get("minZoom")||0)||this.getZoom()===this.get("maxZoom"))&&google.maps.event.trigger(this,"idle")}),google.maps.event.addListener(this.getMap(),"idle",function(){cMarkerClusterer.redraw_()})]},MarkerClusterer.prototype.onRemove=function(){var i;for(i=0;i<this.markers_.length;i++)this.markers_[i].getMap()!==this.activeMap_&&this.markers_[i].setMap(this.activeMap_);for(i=0;i<this.clusters_.length;i++)this.clusters_[i].remove();for(this.clusters_=[],i=0;i<this.listeners_.length;i++)google.maps.event.removeListener(this.listeners_[i]);this.listeners_=[],this.activeMap_=null,this.ready_=!1},MarkerClusterer.prototype.draw=function(){},MarkerClusterer.prototype.setupStyles_=function(){var i,size;if(!(this.styles_.length>0))for(i=0;i<this.imageSizes_.length;i++)size=this.imageSizes_[i],this.styles_.push({url:this.imagePath_+(i+1)+"."+this.imageExtension_,height:size,width:size})},MarkerClusterer.prototype.fitMapToMarkers=function(){var i,markers=this.getMarkers(),bounds=new google.maps.LatLngBounds;for(i=0;i<markers.length;i++)bounds.extend(markers[i].getPosition());this.getMap().fitBounds(bounds)},MarkerClusterer.prototype.getGridSize=function(){return this.gridSize_},MarkerClusterer.prototype.setGridSize=function(gridSize){this.gridSize_=gridSize},MarkerClusterer.prototype.getMinimumClusterSize=function(){return this.minClusterSize_},MarkerClusterer.prototype.setMinimumClusterSize=function(minimumClusterSize){this.minClusterSize_=minimumClusterSize},MarkerClusterer.prototype.getMaxZoom=function(){return this.maxZoom_},MarkerClusterer.prototype.setMaxZoom=function(maxZoom){this.maxZoom_=maxZoom},MarkerClusterer.prototype.getStyles=function(){return this.styles_},MarkerClusterer.prototype.setStyles=function(styles){this.styles_=styles},MarkerClusterer.prototype.getTitle=function(){return this.title_},MarkerClusterer.prototype.setTitle=function(title){this.title_=title},MarkerClusterer.prototype.getZoomOnClick=function(){return this.zoomOnClick_},MarkerClusterer.prototype.setZoomOnClick=function(zoomOnClick){this.zoomOnClick_=zoomOnClick},MarkerClusterer.prototype.getAverageCenter=function(){return this.averageCenter_},MarkerClusterer.prototype.setAverageCenter=function(averageCenter){this.averageCenter_=averageCenter},MarkerClusterer.prototype.getIgnoreHidden=function(){return this.ignoreHidden_},MarkerClusterer.prototype.setIgnoreHidden=function(ignoreHidden){this.ignoreHidden_=ignoreHidden},MarkerClusterer.prototype.getEnableRetinaIcons=function(){return this.enableRetinaIcons_},MarkerClusterer.prototype.setEnableRetinaIcons=function(enableRetinaIcons){this.enableRetinaIcons_=enableRetinaIcons},MarkerClusterer.prototype.getImageExtension=function(){return this.imageExtension_},MarkerClusterer.prototype.setImageExtension=function(imageExtension){this.imageExtension_=imageExtension},MarkerClusterer.prototype.getImagePath=function(){return this.imagePath_},MarkerClusterer.prototype.setImagePath=function(imagePath){this.imagePath_=imagePath},MarkerClusterer.prototype.getImageSizes=function(){return this.imageSizes_},MarkerClusterer.prototype.setImageSizes=function(imageSizes){this.imageSizes_=imageSizes},MarkerClusterer.prototype.getCalculator=function(){return this.calculator_},MarkerClusterer.prototype.setCalculator=function(calculator){this.calculator_=calculator},MarkerClusterer.prototype.setHideLabel=function(hideLabel){this.hideLabel_=hideLabel},MarkerClusterer.prototype.getHideLabel=function(){return this.hideLabel_},MarkerClusterer.prototype.getBatchSizeIE=function(){return this.batchSizeIE_},MarkerClusterer.prototype.setBatchSizeIE=function(batchSizeIE){this.batchSizeIE_=batchSizeIE},MarkerClusterer.prototype.getClusterClass=function(){return this.clusterClass_},MarkerClusterer.prototype.setClusterClass=function(clusterClass){this.clusterClass_=clusterClass},MarkerClusterer.prototype.getMarkers=function(){return this.markers_},MarkerClusterer.prototype.getTotalMarkers=function(){return this.markers_.length},MarkerClusterer.prototype.getClusters=function(){return this.clusters_},MarkerClusterer.prototype.getTotalClusters=function(){return this.clusters_.length},MarkerClusterer.prototype.addMarker=function(marker,opt_nodraw){this.pushMarkerTo_(marker),opt_nodraw||this.redraw_()},MarkerClusterer.prototype.addMarkers=function(markers,opt_nodraw){var key;for(key in markers)markers.hasOwnProperty(key)&&this.pushMarkerTo_(markers[key]);opt_nodraw||this.redraw_()},MarkerClusterer.prototype.pushMarkerTo_=function(marker){if(marker.getDraggable()){var cMarkerClusterer=this;google.maps.event.addListener(marker,"dragend",function(){cMarkerClusterer.ready_&&(this.isAdded=!1,cMarkerClusterer.repaint())})}marker.isAdded=!1,this.markers_.push(marker)},MarkerClusterer.prototype.removeMarker=function(marker,opt_nodraw,opt_noMapRemove){var removeFromMap=!0&&!opt_noMapRemove,removed=this.removeMarker_(marker,removeFromMap);return!opt_nodraw&&removed&&this.repaint(),removed},MarkerClusterer.prototype.removeMarkers=function(markers,opt_nodraw,opt_noMapRemove){var i,r,removed=!1,removeFromMap=!0&&!opt_noMapRemove;for(i=0;i<markers.length;i++)r=this.removeMarker_(markers[i],removeFromMap),removed=removed||r;return!opt_nodraw&&removed&&this.repaint(),removed},MarkerClusterer.prototype.removeMarker_=function(marker,removeFromMap){var i,index=-1;if(this.markers_.indexOf)index=this.markers_.indexOf(marker);else for(i=0;i<this.markers_.length;i++)if(marker===this.markers_[i]){index=i;break}return-1===index?!1:(removeFromMap&&marker.setMap(null),this.markers_.splice(index,1),!0)},MarkerClusterer.prototype.clearMarkers=function(){this.resetViewport_(!0),this.markers_=[]},MarkerClusterer.prototype.repaint=function(){var oldClusters=this.clusters_.slice();this.clusters_=[],this.resetViewport_(!1),this.redraw_(),setTimeout(function(){var i;for(i=0;i<oldClusters.length;i++)oldClusters[i].remove()},0)},MarkerClusterer.prototype.getExtendedBounds=function(bounds){var projection=this.getProjection(),tr=new google.maps.LatLng(bounds.getNorthEast().lat(),bounds.getNorthEast().lng()),bl=new google.maps.LatLng(bounds.getSouthWest().lat(),bounds.getSouthWest().lng()),trPix=projection.fromLatLngToDivPixel(tr);trPix.x+=this.gridSize_,trPix.y-=this.gridSize_;var blPix=projection.fromLatLngToDivPixel(bl);blPix.x-=this.gridSize_,blPix.y+=this.gridSize_;var ne=projection.fromDivPixelToLatLng(trPix),sw=projection.fromDivPixelToLatLng(blPix);return bounds.extend(ne),bounds.extend(sw),bounds},MarkerClusterer.prototype.redraw_=function(){this.createClusters_(0)},MarkerClusterer.prototype.resetViewport_=function(opt_hide){var i,marker;for(i=0;i<this.clusters_.length;i++)this.clusters_[i].remove();for(this.clusters_=[],i=0;i<this.markers_.length;i++)marker=this.markers_[i],marker.isAdded=!1,opt_hide&&marker.setMap(null)},MarkerClusterer.prototype.distanceBetweenPoints_=function(p1,p2){var R=6371,dLat=(p2.lat()-p1.lat())*Math.PI/180,dLon=(p2.lng()-p1.lng())*Math.PI/180,a=Math.sin(dLat/2)*Math.sin(dLat/2)+Math.cos(p1.lat()*Math.PI/180)*Math.cos(p2.lat()*Math.PI/180)*Math.sin(dLon/2)*Math.sin(dLon/2),c=2*Math.atan2(Math.sqrt(a),Math.sqrt(1-a)),d=R*c;return d},MarkerClusterer.prototype.isMarkerInBounds_=function(marker,bounds){return bounds.contains(marker.getPosition())},MarkerClusterer.prototype.addToClosestCluster_=function(marker){var i,d,cluster,center,distance=4e4,clusterToAddTo=null;for(i=0;i<this.clusters_.length;i++)cluster=this.clusters_[i],center=cluster.getCenter(),center&&(d=this.distanceBetweenPoints_(center,marker.getPosition()),distance>d&&(distance=d,clusterToAddTo=cluster));clusterToAddTo&&clusterToAddTo.isMarkerInClusterBounds(marker)?clusterToAddTo.addMarker(marker):(cluster=new Cluster(this),cluster.addMarker(marker),this.clusters_.push(cluster))},MarkerClusterer.prototype.createClusters_=function(iFirst){var i,marker,mapBounds,cMarkerClusterer=this;if(this.ready_){0===iFirst&&(google.maps.event.trigger(this,"clusteringbegin",this),"undefined"!=typeof this.timerRefStatic&&(clearTimeout(this.timerRefStatic),delete this.timerRefStatic)),mapBounds=this.getMap().getZoom()>3?new google.maps.LatLngBounds(this.getMap().getBounds().getSouthWest(),this.getMap().getBounds().getNorthEast()):new google.maps.LatLngBounds(new google.maps.LatLng(85.02070771743472,-178.48388434375),new google.maps.LatLng(-85.08136444384544,178.00048865625));var bounds=this.getExtendedBounds(mapBounds),iLast=Math.min(iFirst+this.batchSize_,this.markers_.length);for(i=iFirst;iLast>i;i++)marker=this.markers_[i],!marker.isAdded&&this.isMarkerInBounds_(marker,bounds)&&(!this.ignoreHidden_||this.ignoreHidden_&&marker.getVisible())&&this.addToClosestCluster_(marker);if(iLast<this.markers_.length)this.timerRefStatic=setTimeout(function(){cMarkerClusterer.createClusters_(iLast)},0);else for(delete this.timerRefStatic,google.maps.event.trigger(this,"clusteringend",this),i=0;i<this.clusters_.length;i++)this.clusters_[i].updateIcon_()}},MarkerClusterer.prototype.extend=function(obj1,obj2){return function(object){var property;for(property in object.prototype)this.prototype[property]=object.prototype[property];return this}.apply(obj1,[obj2])},MarkerClusterer.CALCULATOR=function(markers,numStyles){for(var index=0,title="",count=markers.length.toString(),dv=count;0!==dv;)dv=parseInt(dv/10,10),index++;return index=Math.min(index,numStyles),{text:count,index:index,title:title}},MarkerClusterer.BATCH_SIZE=2e3,MarkerClusterer.BATCH_SIZE_IE=500,MarkerClusterer.IMAGE_PATH="//cdn.rawgit.com/mahnunchik/markerclustererplus/master/images/m",MarkerClusterer.IMAGE_EXTENSION="png",MarkerClusterer.IMAGE_SIZES=[53,56,66,78,90],"function"!=typeof String.prototype.trim&&(String.prototype.trim=function(){return this.replace(/^\s+|\s+$/g,"")});

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