97 lines
2.4 KiB
JavaScript
97 lines
2.4 KiB
JavaScript
'use strict';
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var TravelnetIcon = L.icon({
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iconUrl: 'pics/travelnet_inv.png',
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iconSize: [64, 64],
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iconAnchor: [32, 32],
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popupAnchor: [0, -32]
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});
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var TravelnetOverlay = L.LayerGroup.extend({
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initialize: function(wsChannel, layerMgr) {
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L.LayerGroup.prototype.initialize.call(this);
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this.layerMgr = layerMgr;
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this.wsChannel = wsChannel;
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this.currentObjects = [];
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this.onLayerChange = this.onLayerChange.bind(this);
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this.onMapMove = debounce(this.onMapMove.bind(this), 50);
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},
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onLayerChange: function(layer){
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this.reDraw(true);
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},
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onMapMove: function(){
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this.reDraw(false);
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},
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reDraw: function(full){
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var self = this;
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if (this._map.getZoom() < 10) {
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this.clearLayers();
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this.currentObjects = [];
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return;
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}
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if (full){
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this.clearLayers();
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this.currentObjects = [];
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}
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var mapLayer = this.layerMgr.getCurrentLayer()
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var min = this._map.getBounds().getSouthWest();
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var max = this._map.getBounds().getNorthEast();
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var y1 = parseInt(mapLayer.from/16);
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var y2 = parseInt(mapLayer.to/16);
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var x1 = parseInt(min.lng);
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var x2 = parseInt(max.lng);
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var z1 = parseInt(min.lat);
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var z2 = parseInt(max.lat);
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//TODO: get coords
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api.getMapObjects(
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x1, y1, y1,
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x2, y2, z2,
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"travelnet")
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.then(function(travelnets){
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//TODO: remove non-existing markers, add new ones
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if (!full){
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self.clearLayers();
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}
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travelnets.forEach(function(travelnet){
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var popup = "<h4>" + travelnet.attributes.station_name + "</h4><hr>" +
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"<b>X: </b> " + travelnet.x + "<br>" +
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"<b>Y: </b> " + travelnet.y + "<br>" +
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"<b>Z: </b> " + travelnet.z + "<br>" +
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"<b>Network: </b> " + travelnet.attributes.station_network + "<br>" +
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"<b>Owner: </b> " + travelnet.attributes.owner + "<br>";
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var marker = L.marker([travelnet.z, travelnet.x], {icon: TravelnetIcon});
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marker.bindPopup(popup).addTo(self);
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});
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})
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},
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onAdd: function(map) {
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map.on("zoomend", this.onMapMove);
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map.on("moveend", this.onMapMove);
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this.layerMgr.addListener(this.onLayerChange);
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this.reDraw(true)
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},
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onRemove: function(map) {
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this.clearLayers();
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map.off("zoomend", this.onMapMove);
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map.off("moveend", this.onMapMove);
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this.layerMgr.removeListener(this.onLayerChange);
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}
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});
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