浅念
113 lines
2.6 KiB
JavaScript
113 lines
2.6 KiB
JavaScript
var LatLngBounds = require('./LatLngBounds');
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/*****************************************************************************
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* Cluster Class
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*****************************************************************************/
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var Cluster = function(__pgmId, geocell) {
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var obj = {};
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var self = this;
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Object.defineProperty(self, '__pgmId', {
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value: __pgmId,
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writable: false
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});
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Object.defineProperty(self, 'geocell', {
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value: geocell,
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writable: false
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});
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Object.defineProperty(self, 'type', {
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value: 'Cluster',
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writable: false
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});
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Object.defineProperty(self, '_markerArray', {
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value: [],
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writable: false
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});
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Object.defineProperty(self, 'set', {
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value: function(key, value) {
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obj[key] = value;
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},
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writable: false
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});
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Object.defineProperty(self, 'get', {
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value: function(key) {
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return obj[key];
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},
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writable: false
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});
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};
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Cluster.prototype.NO_CLUSTER_MODE = 1;
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Cluster.prototype.CLUSTER_MODE = 2;
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Cluster.prototype.getPluginName = function() {
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return this.map.getId() + '-cluster';
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};
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Cluster.prototype.getBounds = function() {
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return this.get('bounds');
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};
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/*
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Cluster.prototype.getBounds = function() {
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var bounds = this.get('bounds');
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if (!bounds) {
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bounds = geomodel.computeBox(this.geocell);
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this.set('bounds', bounds);
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}
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return bounds;
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};
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*/
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Cluster.prototype.getCenter = function() {
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return this.getBounds().getCenter();
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};
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Cluster.prototype.getMarkers = function() {
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return this._markerArray;
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};
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Cluster.prototype.addMarkers = function(markerRefs) {
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var self = this;
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var bounds = this.get('bounds') || new LatLngBounds(markerRefs[0].get('position'), markerRefs[0].get('position'));
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markerRefs.forEach(function(marker) {
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if (self._markerArray.indexOf(marker) === -1) {
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marker.get('_cluster').isAdded = true;
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self._markerArray.push(marker);
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bounds.extend(marker.get('position'));
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}
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});
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this.set('bounds', bounds);
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};
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Cluster.prototype.getId = function() {
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return this.__pgmId;
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};
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Cluster.prototype.setMode = function(mode) {
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this.set('mode', mode);
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};
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Cluster.prototype.getMode = function() {
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return this.get('mode');
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};
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Cluster.prototype.removeMarker = function(marker) {
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var idx = this._markerArray.indexOf(marker);
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if (idx !== -1) {
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this._markerArray.splice(idx, 1);
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}
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};
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Cluster.prototype.remove = function() {
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this.set('isRemoved', true);
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this._markerArray.forEach(function(marker) {
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marker.get('_cluster').isAdded = false;
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});
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};
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Cluster.prototype.getItemLength = function() {
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return this._markerArray.length;
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};
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module.exports = Cluster;
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