2019-04-27 16:18:24 +08:00
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!function(e,t){"object"==typeof exports&&"undefined"!=typeof module?t(exports):"function"==typeof define&&define.amd?define(["exports"],t):t((e.Leaflet=e.Leaflet||{},e.Leaflet.markercluster=e.Leaflet.markercluster||{}))}(this,function(e){"use strict";var t=L.MarkerClusterGroup=L.FeatureGroup.extend({options:{maxClusterRadius:80,iconCreateFunction:null,clusterPane:L.Marker.prototype.options.pane,spiderfyOnMaxZoom:!0,showCoverageOnHover:!0,zoomToBoundsOnClick:!0,singleMarkerMode:!1,disableClusteringAtZoom:null,removeOutsideVisibleBounds:!0,animate:!0,animateAddingMarkers:!1,spiderfyDistanceMultiplier:1,spiderLegPolylineOptions:{weight:1.5,color:"#222",opacity:.5},chunkedLoading:!1,chunkInterval:200,chunkDelay:50,chunkProgress:null,polygonOptions:{}},initialize:function(e){L.Util.setOptions(this,e),this.options.iconCreateFunction||(this.options.iconCreateFunction=this._defaultIconCreateFunction),this._featureGroup=L.featureGroup(),this._featureGroup.addEventParent(this),this._nonPointGroup=L.featureGroup(),this._nonPointGroup.addEventParent(this),this._inZoomAnimation=0,this._needsClustering=[],this._needsRemoving=[],this._currentShownBounds=null,this._queue=[],this._childMarkerEventHandlers={dragstart:this._childMarkerDragStart,move:this._childMarkerMoved,dragend:this._childMarkerDragEnd};var t=L.DomUtil.TRANSITION&&this.options.animate;L.extend(this,t?this._withAnimation:this._noAnimation),this._markerCluster=t?L.MarkerCluster:L.MarkerClusterNonAnimated},addLayer:function(e){if(e instanceof L.LayerGroup)return this.addLayers([e]);if(!e.getLatLng)return this._nonPointGroup.addLayer(e),this.fire("layeradd",{layer:e}),this;if(!this._map)return this._needsClustering.push(e),this.fire("layeradd",{layer:e}),this;if(this.hasLayer(e))return this;this._unspiderfy&&this._unspiderfy(),this._addLayer(e,this._maxZoom),this.fire("layeradd",{layer:e}),this._topClusterLevel._recalculateBounds(),this._refreshClustersIcons();var t=e,i=this._zoom;if(e.__parent)for(;t.__parent._zoom>=i;)t=t.__parent;return this._currentShownBounds.contains(t.getLatLng())&&(this.options.animateAddingMarkers?this._animationAddLayer(e,t):this._animationAddLayerNonAnimated(e,t)),this},removeLayer:function(e){return e instanceof L.LayerGroup?this.removeLayers([e]):e.getLatLng?this._map?e.__parent?(this._unspiderfy&&(this._unspiderfy(),this._unspiderfyLayer(e)),this._removeLayer(e,!0),this.fire("layerremove",{layer:e}),this._topClusterLevel._recalculateBounds(),this._refreshClustersIcons(),e.off(this._childMarkerEventHandlers,this),this._featureGroup.hasLayer(e)&&(this._featureGroup.removeLayer(e),e.clusterShow&&e.clusterShow()),this):this:(!this._arraySplice(this._needsClustering,e)&&this.hasLayer(e)&&this._needsRemoving.push({layer:e,latlng:e._latlng}),this.fire("layerremove",{layer:e}),this):(this._nonPointGroup.removeLayer(e),this.fire("layerremove",{layer:e}),this)},addLayers:function(e,t){if(!L.Util.isArray(e))return this.addLayer(e);var i,n=this._featureGroup,r=this._nonPointGroup,s=this.options.chunkedLoading,o=this.options.chunkInterval,a=this.options.chunkProgress,h=e.length,l=0,u=!0;if(this._map){var _=(new Date).getTime(),d=L.bind(function(){for(var c=(new Date).getTime();h>l;l++){if(s&&0===l%200){var p=(new Date).getTime()-c;if(p>o)break}if(i=e[l],i instanceof L.LayerGroup)u&&(e=e.slice(),u=!1),this._extractNonGroupLayers(i,e),h=e.length;else if(i.getLatLng){if(!this.hasLayer(i)&&(this._addLayer(i,this._maxZoom),t||this.fire("layeradd",{layer:i}),i.__parent&&2===i.__parent.getChildCount())){var f=i.__parent.getAllChildMarkers(),m=f[0]===i?f[1]:f[0];n.removeLayer(m)}}else r.addLayer(i),t||this.fire("layeradd",{layer:i})}a&&a(l,h,(new Date).getTime()-_),l===h?(this._topClusterLevel._recalculateBounds(),this._refreshClustersIcons(),this._topClusterLevel._recursivelyAddChildrenToMap(null,this._zoom,this._currentShownBounds)):setTimeout(d,this.options.chunkDelay)},this);d()}else for(var c=this._needsClustering;h>l;l++)i=e[l],i instanceof L.LayerGroup?(u&&(e=e.slice(),u=!1),this._extractNonGroupLayers(i,e),h=e.length):i.getLatLng?this.hasLayer(i)||c.push(i
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},_unspiderfyZoomStart:function(){this._map&&this._map.on("zoomanim",this._unspiderfyZoomAnim,this)},_unspiderfyZoomAnim:function(e){L.DomUtil.hasClass(this._map._mapPane,"leaflet-touching")||(this._map.off("zoomanim",this._unspiderfyZoomAnim,this),this._unspiderfy(e))},_unspiderfyWrapper:function(){this._unspiderfy()},_unspiderfy:function(e){this._spiderfied&&this._spiderfied.unspiderfy(e)},_noanimationUnspiderfy:function(){this._spiderfied&&this._spiderfied._noanimationUnspiderfy()},_unspiderfyLayer:function(e){e._spiderLeg&&(this._featureGroup.removeLayer(e),e.clusterShow&&e.clusterShow(),e.setZIndexOffset&&e.setZIndexOffset(0),this._map.removeLayer(e._spiderLeg),delete e._spiderLeg)}}),L.MarkerClusterGroup.include({refreshClusters:function(e){return e?e instanceof L.MarkerClusterGroup?e=e._topClusterLevel.getAllChildMarkers():e instanceof L.LayerGroup?e=e._layers:e instanceof L.MarkerCluster?e=e.getAllChildMarkers():e instanceof L.Marker&&(e=[e]):e=this._topClusterLevel.getAllChildMarkers(),this._flagParentsIconsNeedUpdate(e),this._refreshClustersIcons(),this.options.singleMarkerMode&&this._refreshSingleMarkerModeMarkers(e),this},_flagParentsIconsNeedUpdate:function(e){var t,i;for(t in e)for(i=e[t].__parent;i;)i._iconNeedsUpdate=!0,i=i.__parent},_refreshSingleMarkerModeMarkers:function(e){var t,i;for(t in e)i=e[t],this.hasLayer(i)&&i.setIcon(this._overrideMarkerIcon(i))}}),L.Marker.include({refreshIconOptions:function(e,t){var i=this.options.icon;return L.setOptions(i,e),this.setIcon(i),t&&this.__parent&&this.__parent._group.refreshClusters(this),this}}),e.MarkerClusterGroup=t,e.MarkerCluster=i});
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