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mathias |
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L.Cluster = L.Marker.extend({
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initialize: function(marker, options) {
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L.Marker.prototype.initialize.call(this, marker, options);
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this._markers = [this];
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},
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ajouterMarker: function(marker) {
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this._markers.push(marker);
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},
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recupererMarkers: function() {
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return this._markers;
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},
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obtenirNombreMarkers: function() {
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return this._markers.length;
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},
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supprimerSource: function(sourceSupression) {
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var index = 0;
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while (index < this._markers.length) {
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if (this._markers[index].source == sourceSupression) {
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this._markers.splice(index, 1);
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} else {
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index ++;
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}
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}
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if (this._markers.length == 0) {
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if (this._map != null) {
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this._map.removeLayer(this);
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//this._map.getPanes().markerPane.removeChild(this._icon);
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}
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delete this;
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}
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},
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supprimer: function() {
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while (this._markers.length > 0) {
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this._markers.splice(0, 1);
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}
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if (this._map != null) {
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this._map.removeLayer(this);
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//this._map.getPanes().markerPane.removeChild(this._icon);
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}
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delete this;
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}
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});
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L.ClusterGroup = L.FeatureGroup.extend({
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initialize: function(layers) {
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L.FeatureGroup.prototype.initialize.call(this, layers);
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this._distance = 10;
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this._resolution = 0;
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this._nombreClusters = 0;
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},
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ajouterPoint: function(layer) {
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if (this._resolution == 0) {
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this._resolution = (2 * Math.PI * 6378137) / (256 * Math.pow(2, this._map.getZoom()));
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}
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var seuilCluster = this._distance * this._resolution;
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if (typeof(layer._latlng) != 'undefined') {
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var indexClusterPlusProche = this._chercherVoisinPlusProche(layer);
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var ajoute = false;
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if (indexClusterPlusProche != null) {
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var distance = this._layers[indexClusterPlusProche].getLatLng().distanceTo(layer.getLatLng());
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if (distance < seuilCluster) {
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this._layers[indexClusterPlusProche].ajouterMarker(layer);
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ajoute = true;
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}
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}
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if (!ajoute) {
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this._layers[this._nombreClusters] = layer;
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this._nombreClusters ++;
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}
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}
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},
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_chercherVoisinPlusProche: function(layer) {
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var distance = -1;
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var plusProche = null;
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for (var numeroLayer in this._layers) {
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if (typeof(this._layers[numeroLayer]) != 'undefined') {
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var centre = this._layers[numeroLayer].getLatLng();
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if (distance == -1 || centre.distanceTo(layer.getLatLng()) < distance) {
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plusProche = numeroLayer;
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distance = centre.distanceTo(layer.getLatLng());
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}
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}
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}
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return plusProche;
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},
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afficherClusters: function() {
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for (var numeroLayer in this._layers) {
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if (typeof(this._layers[numeroLayer]) != 'undefined') {
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var layer = this._layers[numeroLayer];
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if (layer.obtenirNombreMarkers() > 1) {
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layer.setIcon(new L.Icon({ iconUrl : clusterImageUrl, iconSize : [20, 20] }))
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}
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layer.addTo(map);
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}
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}
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},
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supprimerPoint: function(layer) {
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layer.supprimer();
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}
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| 37 |
alex |
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});
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