173 lines
5.8 KiB
JavaScript
173 lines
5.8 KiB
JavaScript
(function(factory) {
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if (typeof define === "function" && define.amd) {
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// AMD. Register as an anonymous module.
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define([
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'leaflet','./MapIcons'
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], factory);
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} else {
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// Browser globals
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factory();
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}
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}(function(leaflet,MAP_ICON) {
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leaflet.NavdbLayer = leaflet.GeoJSON.extend({
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options : {
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pointToLayer : function(feature, latlng) {
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var options = {
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title : feature.properties.id + ' (' + feature.properties.name + ')',
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alt : feature.properties.id,
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riseOnHover : true,
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};
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if (feature.properties.type == "airport") {
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if (this._map && this._map.getZoom() >= 13) {
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options.icon = MAP_ICON['arp'];
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} else {
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options.angle = feature.properties.longestRwyHeading_deg;
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switch (feature.properties.longestRwySurface) {
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case 'asphalt':
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case 'concrete':
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options.icon = MAP_ICON['airport-paved'];
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break;
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case 'unknown':
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options.icon = MAP_ICON['airport-unknown'];
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break;
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default:
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options.icon = MAP_ICON['airport-unpaved'];
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break;
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}
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}
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} else {
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if (feature.properties.type in MAP_ICON) {
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options.icon = MAP_ICON[feature.properties.type];
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}
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}
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return new leaflet.RotatedMarker(latlng, options);
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},
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onEachFeature : function(feature, layer) {
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if (feature.properties) {
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var popupString = '<div class="popup">';
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for ( var k in feature.properties) {
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var v = feature.properties[k];
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popupString += k + ': ' + v + '<br />';
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}
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popupString += '</div>';
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layer.bindPopup(popupString, {
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maxHeight : 200
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});
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if( feature.properties.metar ) {
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}
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}
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},
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filter : function(feature) {
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var zoom = (this._map && this._map.getZoom()) || 11;
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switch (feature.properties.type) {
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case 'airport':
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if (zoom >= 10)
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return true;
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return feature.properties.longestRwyLength_m >= 2000;
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break;
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case 'NDB':
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if (zoom >= 10)
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return true;
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if (zoom >= 8)
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return feature.properties.range_nm >= 30;
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return feature.properties.range_nm > 50;
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}
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return true;
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},
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style : function(feature) {
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if (feature.properties.type == "ILS" || feature.properties.type == "localizer") {
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return {
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color : 'black',
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weight : 2,
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};
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}
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if (feature.properties.type == "airport") {
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return {
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color : 'black',
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weight : 3,
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fill : 'true',
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fillColor : '#606060',
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fillOpacity : 1.0,
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lineJoin : 'bevel',
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};
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}
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},
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},
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onAdd : function(map) {
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leaflet.GeoJSON.prototype.onAdd.call(this, map);
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this.dirty = true;
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this.update(++this.updateId);
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},
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onRemove : function(map) {
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this.updateId++;
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leaflet.GeoJSON.prototype.onRemove.call(this, map);
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},
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invalidate : function() {
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this.dirty = true;
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},
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dirty : true,
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updateId : 0,
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update : function(id) {
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var that = this;
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if (this.updateId != id)
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return;
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if (this.dirty) {
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this.dirty = false;
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var bounds = this._map.getBounds();
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// radius in NM
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var radius = bounds.getSouthWest().distanceTo(bounds.getNorthEast()) / 3704;
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if (radius > 250)
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radius = 250;
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if (radius < 10)
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radius = 10;
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var filter = "vor,ndb,airport";
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if (radius < 60)
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filter += ",ils,dme,loc,om";
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if (radius < 20)
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filter += ",mm";
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var center = this._map.getCenter();
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var lat = center.lat;
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var lon = center.lng;
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var url = "/navdb?q=findWithinRange&type=" + filter + "&range=" + radius + "&lat=" + lat + "&lon=" + lon;
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var jqxhr = $.get(url).done(function(data) {
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if (that.updateId == id) {
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that.clearLayers();
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that.addData.call(that, data);
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}
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}).fail(function() {
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that.updateId++;
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alert('failed to load navdb data');
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}).always(function() {
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});
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}
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if (this.updateId == id) {
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setTimeout(function() {
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that.update(id)
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}, 5000);
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}
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},
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});
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leaflet.navdbLayer = function(options) {
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return new leaflet.NavdbLayer(null, options);
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}
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}));
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