2013-01-09 11:28:49 +13:00
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(function(e,t){L.MarkerClusterGroup=L.FeatureGroup.extend({options:{maxClusterRadius:80,iconCreateFunction:null,spiderfyOnMaxZoom:!0,showCoverageOnHover:!0,zoomToBoundsOnClick:!0,singleMarkerMode:!1,disableClusteringAtZoom:null,animateAddingMarkers:!1,spiderfyDistanceMultiplier:1,polygonOptions:{}},initialize:function(e){L.Util.setOptions(this,e),this.options.iconCreateFunction||(this.options.iconCreateFunction=this._defaultIconCreateFunction),L.FeatureGroup.prototype.initialize.call(this,[]),this._inZoomAnimation=0,this._needsClustering=[],this._currentShownBounds=null},addLayer:function(e){if(e instanceof L.LayerGroup){var t=[];for(var n in e._layers)e._layers.hasOwnProperty(n)&&t.push(e._layers[n]);return this.addLayers(t)}if(!this._map)return this._needsClustering.push(e),this;if(this.hasLayer(e))return this;this._unspiderfy&&this._unspiderfy(),this._addLayer(e,this._maxZoom);var r=e,i=this._map.getZoom();if(e.__parent)while(r.__parent._zoom>=i)r=r.__parent;return this._currentShownBounds.contains(r.getLatLng())&&(this.options.animateAddingMarkers?this._animationAddLayer(e,r):this._animationAddLayerNonAnimated(e,r)),this},removeLayer:function(e){return this._map?e.__parent?(this._unspiderfy&&(this._unspiderfy(),this._unspiderfyLayer(e)),this._removeLayer(e,!0),e._icon&&(L.FeatureGroup.prototype.removeLayer.call(this,e),e.setOpacity(1)),this):this:(this._arraySplice(this._needsClustering,e),this)},addLayers:function(e){var t,n,r;if(!this._map)return this._needsClustering=this._needsClustering.concat(e),this;for(t=0,n=e.length;t<n;t++){r=e[t];if(this.hasLayer(r))continue;this._addLayer(r,this._maxZoom);if(r.__parent&&r.__parent.getChildCount()===2){var i=r.__parent.getAllChildMarkers(),s=i[0]===r?i[1]:i[0];L.FeatureGroup.prototype.removeLayer.call(this,s)}}for(t in this._layers)this._layers.hasOwnProperty(t)&&(r=this._layers[t],r instanceof L.MarkerCluster&&r._iconNeedsUpdate&&r._updateIcon());return this._topClusterLevel._recursivelyAddChildrenToMap(null,this._zoom,this._currentShownBounds),this},removeLayers:function(e){var t,n,r;if(!this._map){for(t=0,n=e.length;t<n;t++)this._arraySplice(this._needsClustering,e[t]);return this}for(t=0,n=e.length;t<n;t++){r=e[t];if(!r.__parent)continue;this._removeLayer(r,!0,!0),r._icon&&(L.FeatureGroup.prototype.removeLayer.call(this,r),r.setOpacity(1))}this._topClusterLevel._recursivelyAddChildrenToMap(null,this._zoom,this._currentShownBounds);for(t in this._layers)this._layers.hasOwnProperty(t)&&(r=this._layers[t],r instanceof L.MarkerCluster&&r._updateIcon());return this},clearLayers:function(){this._map||(this._needsClustering=[],delete this._gridClusters,delete this._gridUnclustered),this._unspiderfy&&this._unspiderfy();for(var e in this._layers)this._layers.hasOwnProperty(e)&&L.FeatureGroup.prototype.removeLayer.call(this,this._layers[e]);return this.eachLayer(function(e){delete e.__parent}),this._map&&this._generateInitialClusters(),this},getBounds:function(){var e=new L.LatLngBounds;if(this._topClusterLevel)e.extend(this._topClusterLevel._bounds);else for(var t=this._needsClustering.length-1;t>=0;t--)e.extend(this._needsClustering[t].getLatLng());return e},eachLayer:function(e,t){var n=this._needsClustering.slice(),r;this._topClusterLevel&&this._topClusterLevel.getAllChildMarkers(n);for(r=n.length-1;r>=0;r--)e.call(t,n[r])},hasLayer:function(e){if(this._needsClustering.length>0){var t=this._needsClustering;for(var n=t.length-1;n>=0;n--)if(t[n]===e)return!0}return!!e.__parent&&e.__parent._group===this},zoomToShowLayer:function(e,t){var n=function(){if((e._icon||e.__parent._icon)&&!this._inZoomAnimation){this._map.off("moveend",n,this),this.off("animationend",n,this);if(e._icon)t();else if(e.__parent._icon){var r=function(){this.off("spiderfied",r,this),t()};this.on("spiderfied",r,this),e.__parent.spiderfy()}}};e._icon?t():e.__parent._zoom<this._map.getZoom()?(this._map.on("moveend",n,this),e._icon||this._map.panTo(e.getLatLng())):(this._map.on("moveend",n,this),this.on("animationend",n,this),this._map.setView(e.getLatLng(),e.__parent._zoom+1),e.__parent.zoomToBounds())},onAd
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