6 lines
27 KiB
JavaScript
6 lines
27 KiB
JavaScript
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/*
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Leaflet.markercluster, Provides Beautiful Animated Marker Clustering functionality for Leaflet, a JS library for interactive maps.
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https://github.com/Leaflet/Leaflet.markercluster
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(c) 2012-2013, Dave Leaver, smartrak
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*/
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!function(t,e){L.MarkerClusterGroup=L.FeatureGroup.extend({options:{maxClusterRadius:80,iconCreateFunction:null,spiderfyOnMaxZoom:!0,showCoverageOnHover:!0,zoomToBoundsOnClick:!0,singleMarkerMode:!1,disableClusteringAtZoom:null,removeOutsideVisibleBounds:!0,animateAddingMarkers:!1,spiderfyDistanceMultiplier:1,polygonOptions:{}},initialize:function(t){L.Util.setOptions(this,t),this.options.iconCreateFunction||(this.options.iconCreateFunction=this._defaultIconCreateFunction),this._featureGroup=L.featureGroup(),this._featureGroup.on(L.FeatureGroup.EVENTS,this._propagateEvent,this),this._nonPointGroup=L.featureGroup(),this._nonPointGroup.on(L.FeatureGroup.EVENTS,this._propagateEvent,this),this._inZoomAnimation=0,this._needsClustering=[],this._needsRemoving=[],this._currentShownBounds=null},addLayer:function(t){if(t instanceof L.LayerGroup){var e=[];for(var i in t._layers)e.push(t._layers[i]);return this.addLayers(e)}if(!t.getLatLng)return this._nonPointGroup.addLayer(t),this;if(!this._map)return this._needsClustering.push(t),this;if(this.hasLayer(t))return this;this._unspiderfy&&this._unspiderfy(),this._addLayer(t,this._maxZoom);var n=t,s=this._map.getZoom();if(t.__parent)for(;n.__parent._zoom>=s;)n=n.__parent;return this._currentShownBounds.contains(n.getLatLng())&&(this.options.animateAddingMarkers?this._animationAddLayer(t,n):this._animationAddLayerNonAnimated(t,n)),this},removeLayer:function(t){if(t instanceof L.LayerGroup){var e=[];for(var i in t._layers)e.push(t._layers[i]);return this.removeLayers(e)}return t.getLatLng?this._map?t.__parent?(this._unspiderfy&&(this._unspiderfy(),this._unspiderfyLayer(t)),this._removeLayer(t,!0),this._featureGroup.hasLayer(t)&&(this._featureGroup.removeLayer(t),t.setOpacity&&t.setOpacity(1)),this):this:(!this._arraySplice(this._needsClustering,t)&&this.hasLayer(t)&&this._needsRemoving.push(t),this):(this._nonPointGroup.removeLayer(t),this)},addLayers:function(t){var e,i,n,s=this._map,r=this._featureGroup,o=this._nonPointGroup;for(e=0,i=t.length;i>e;e++)if(n=t[e],n.getLatLng){if(!this.hasLayer(n))if(s){if(this._addLayer(n,this._maxZoom),n.__parent&&2===n.__parent.getChildCount()){var a=n.__parent.getAllChildMarkers(),h=a[0]===n?a[1]:a[0];r.removeLayer(h)}}else this._needsClustering.push(n)}else o.addLayer(n);return s&&(r.eachLayer(function(t){t instanceof L.MarkerCluster&&t._iconNeedsUpdate&&t._updateIcon()}),this._topClusterLevel._recursivelyAddChildrenToMap(null,this._zoom,this._currentShownBounds)),this},removeLayers:function(t){var e,i,n,s=this._featureGroup,r=this._nonPointGroup;if(!this._map){for(e=0,i=t.length;i>e;e++)n=t[e],this._arraySplice(this._needsClustering,n),r.removeLayer(n);return this}for(e=0,i=t.length;i>e;e++)n=t[e],n.__parent?(this._removeLayer(n,!0,!0),s.hasLayer(n)&&(s.removeLayer(n),n.setOpacity&&n.setOpacity(1))):r.removeLayer(n);return this._topClusterLevel._recursivelyAddChildrenToMap(null,this._zoom,this._currentShownBounds),s.eachLayer(function(t){t instanceof L.MarkerCluster&&t._updateIcon()}),this},clearLayers:function(){return this._map||(this._needsClustering=[],delete this._gridClusters,delete this._gridUnclustered),this._noanimationUnspiderfy&&this._noanimationUnspiderfy(),this._featureGroup.clearLayers(),this._nonPointGroup.clearLayers(),this.eachLayer(function(t){delete t.__parent}),this._map&&this._generateInitialClusters(),this},getBounds:function(){var t=new L.LatLngBounds;if(this._topClusterLevel)t.extend(this._topClusterLevel._bounds);else for(var e=this._needsClustering.length-1;e>=0;e--)t.extend(this._needsClustering[e].getLatLng());var i=this._nonPointGroup.getBounds();return i.isValid()&&t.extend(i),t},eachLayer:function(t,e){var i,n=this._needsClustering.slice();for(this._topClusterLevel&&this._topClusterLevel.getAllChildMarkers(n),i=n.length-1;i>=0;i--)t.call(e,n[i]);this._nonPointGroup.eachLayer(t,e)},hasLayer:function(t){if(!t)return!1;var e,i=this._needsClustering;for(e=i.length-1;e>=0;e--)if(i[e]===t)return!0;for(i=this._needsRemoving,e=i.length-1;e>=0;e--)if(i[e]===t)return!1;return!(!t.__parent||t.__parent._group!==this)||this._nonPo
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