6 lines
3.1 KiB
JavaScript
6 lines
3.1 KiB
JavaScript
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/*!
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Leaflet.MarkerCluster.Freezable 1.0.0+9db80a3
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(c) 2015-2016 Boris Seang
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License MIT
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*/
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!function(e,i){"function"==typeof define&&define.amd?define(["leaflet"],i):i("object"==typeof module&&module.exports?require("leaflet"):e.L)}(this,function(e,i){e.MarkerClusterGroup.include({_originalOnAddFreezable:e.MarkerClusterGroup.prototype.onAdd,onAdd:function(e){var i=this._zoom;this._originalOnAddFreezable(e),this._frozen&&(i>=0&&i!==this._zoom&&(this._featureGroup.clearLayers(),this._zoom=i,this.addLayers([])),e.off("zoomend",this._zoomEnd,this),e.off("moveend",this._moveEnd,this),e.on("zoomend moveend",this._viewChangeEndNotClustering,this))},_originalOnRemove:e.MarkerClusterGroup.prototype.onRemove,onRemove:function(e){e.off("zoomend moveend",this._viewChangeEndNotClustering,this),this._originalOnRemove(e)},disableClustering:function(){return this.freezeAtZoom(this._maxZoom+1)},disableClusteringKeepSpiderfy:function(){return this.freezeAtZoom(this._maxZoom)},enableClustering:function(){return this.unfreeze()},unfreeze:function(){return this.freezeAtZoom(!1)},freezeAtZoom:function(e){this._processQueue();var o=this._map;e===i||e===!0||e!==e?e=o?Math.round(o.getZoom()):-1:"max"===e?e=this._maxZoom+1:"maxKeepSpiderfy"===e&&(e=this._maxZoom);var t="number"==typeof e;if(this._frozen){if(!t)return this._unfreeze(),this}else{if(!t)return this;this._initiateFreeze()}return this._artificialZoomSafe(this._zoom,e),this},_initiateFreeze:function(){var e=this._map;this._frozen=!0,e&&(e.off("zoomend",this._zoomEnd,this),e.off("moveend",this._moveEnd,this),e.on("zoomend moveend",this._viewChangeEndNotClustering,this))},_unfreeze:function(){var e=this._map;this._frozen=!1,e&&(e.off("zoomend moveend",this._viewChangeEndNotClustering,this),e.on("zoomend",this._zoomEnd,this),e.on("moveend",this._moveEnd,this),this._executeAfterUnspiderfy(function(){this._zoomEnd()},this))},_executeAfterUnspiderfy:function(e,i){return this._unspiderfy&&this._spiderfied?(this.once("animationend",function(){e.call(i)}),void this._unspiderfy()):void e.call(i)},_artificialZoomSafe:function(e,i){this._zoom=i,this._map&&e!==i&&this._executeAfterUnspiderfy(function(){this._artificialZoom(e,i)},this)},_artificialZoom:function(e,i){e<i?(this._animationStart(),this._topClusterLevel._recursivelyRemoveChildrenFromMap(this._currentShownBounds,this._map.getMinZoom(),e,this._getExpandedVisibleBounds()),this._animationZoomIn(e,i)):e>i&&(this._animationStart(),this._animationZoomOut(e,i))},_viewChangeEndNotClustering:function(){var e=this._featureGroup,i=this._getExpandedVisibleBounds(),o=this._zoom;e.eachLayer(function(t){!i.contains(t._latlng)&&t.__parent&&t.__parent._zoom<o&&e.removeLayer(t)}),this._topClusterLevel._recursively(i,-1,o,function(t){if(t._zoom!==o)for(var n,r=t._markers,s=0;s<r.length;s++)n=t._markers[s],i.contains(n._latlng)&&e.addLayer(n)},function(e){e._addToMap()}),this._currentShownBounds=i},_originalZoomOrSpiderfy:e.MarkerClusterGroup.prototype._zoomOrSpiderfy,_zoomOrSpiderfy:function(e){this._frozen&&this.options.spiderfyOnMaxZoom?(e.layer.spiderfy(),e.originalEvent&&13===e.originalEvent.keyCode&&map._container.focus()):this._originalZoomOrSpiderfy(e)}})});
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