256 lines
9.8 KiB
JavaScript
256 lines
9.8 KiB
JavaScript
define(
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[
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'knockout', 'jquery', 'leaflet', 'text!./map.html', 'stamen'
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],
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function(ko, jquery, leaflet, htmlString) {
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if (!L.AircraftMarker) {
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L.AircraftMarker = L.Marker.extend({
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options : {
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draggable : true,
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clickable : true,
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keyboard : false,
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zIndexOffset : 10000,
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},
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initialize : function(latlng, options) {
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var extraIconClass = '';
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if (options && options.className) {
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extraIconClass = ' ' + options.className;
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}
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L.Marker.prototype.initialize(latlng, options);
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L.Util.setOptions(this, options);
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this.setIcon(L.divIcon({
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iconSize : null,
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className : 'aircraft-marker-icon' + extraIconClass,
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html : '<div data-bind="component: { ' + 'name: \'AircraftMarker\', '
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+ 'params: { rotate: heading, label: labelLines } ' + '}"></div>',
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}));
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this.isDragging = false;
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},
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});
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// Builds the marker for my aircraft
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L.aircraftMarker = function(latlng, options) {
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var m = new L.AircraftMarker(latlng, options);
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m.on('dragstart', function(evt) {
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if( evt.target !== this)
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return;
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evt.target.isDragging = true;
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});
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m.on('dragend', function(evt) {
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if( evt.target !== this)
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return;
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var pos = evt.target.getLatLng();
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var props = {
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name : "position",
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children : [
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{
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name : "latitude-deg",
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value : pos.lat,
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}, {
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name : "longitude-deg",
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value : pos.lng,
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},
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],
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};
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$.post("/json/", JSON.stringify(props));
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evt.target.isDragging = false;
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});
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return m;
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}
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//Builds a marker for a ai or multiplayer aircraft
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L.aiAircraftMarker = function(latlng, options) {
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return new L.AircraftMarker(latlng, options);
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}
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}
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function ViewModel(params, componentInfo) {
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var self = this;
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self.element = componentInfo.element;
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self.followAircraft = ko.observable(true);
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self.toggleFollowAircraft = function(a) {
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self.followAircraft(!self.followAircraft());
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if (self.followAircraft()) {
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self.map.setView(self.mapCenter());
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}
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}
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self.altitude = ko.observable(0).extend({
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fgprop : 'altitude'
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});
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self.tas = ko.observable(0).extend({
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fgprop : 'groundspeed'
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});
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if (params && params.css) {
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for ( var p in params.css) {
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jquery(self.element).css(p, params.css[p]);
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}
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}
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if (jquery(self.element).height() < 1) {
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jquery(self.element).css("min-height", jquery(self.element).width());
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}
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var MapOptions = {
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attributionControl : false,
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dragging : false,
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};
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if (params && params.map) {
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for ( var p in params.map) {
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MapOptions[p] = params.map[p];
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}
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MapOptions = params.map;
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}
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self.map = leaflet.map(self.element, MapOptions).setView([
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53.5, 10.0
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], MapOptions.zoom || 13);
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if (params && params.on) {
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for ( var p in params.on) {
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var h = params.on[p];
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if (typeof (h) === 'function')
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self.map.on(p, h);
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}
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}
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var baseLayers = {
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"OpenStreetMaps" : new leaflet.TileLayer(
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'http://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png',
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{
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maxZoom : 18,
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attribution : 'Map data © <a target="_blank" href="http://openstreetmap.org">OpenStreetMap</a> contributors'
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}),
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"Stamen - toner" : new L.StamenTileLayer("toner"),
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"Stamen - toner-background" : new L.StamenTileLayer("toner-background"),
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"Stamen - toner-hybrid" : new L.StamenTileLayer("toner-hybrid"),
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"Stamen - watercolor" : new L.StamenTileLayer("watercolor"),
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"None" : new L.layerGroup(),
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}
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self.map.addLayer(baseLayers["OpenStreetMaps"]);
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if (params && params.hasFollowAircraft) {
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self.map.on('dragstart', function(e) {
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self.followAircraft(false);
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});
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var followAircraftControl = L.control();
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followAircraftControl.onAdd = function(map) {
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this._div = L.DomUtil.create('div', 'followAircraft');
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this._div.innerHTML = '<img src="images/followAircraft.svg" title="Center Map on Aircraft Position" data-bind="css: { mapOptionEnabled: followAircraft() }, click: toggleFollowAircraft"/>';
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return this._div;
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}
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followAircraftControl.addTo(self.map);
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}
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if (params && params.overlays) {
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L.control.layers(baseLayers, params.overlays).addTo(self.map);
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}
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if (params && params.selectedOverlays && params.overlays) {
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params.selectedOverlays.forEach(function(ovl) {
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if(params.overlays[ovl] != undefined){
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params.overlays[ovl].addTo(self.map);
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}
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});
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}
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if (params && params.scale) {
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L.control.scale(params.scale).addTo(self.map);
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}
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var aircraftMarker = L.aircraftMarker(self.map.getCenter(), {
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className : 'you-aircraft-marker-icon'
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});
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aircraftMarker.addTo(self.map);
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var aircraftTrack = L.polyline([], {
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color : 'red'
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}).addTo(self.map);
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self.latitude = ko.observable(0).extend({
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fgprop : 'latitude'
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});
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self.longitude = ko.observable(0).extend({
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fgprop : 'longitude'
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});
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self.heading = ko.observable(0).extend({
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fgprop : 'true-heading'
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});
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self.position = ko.pureComputed(function() {
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return leaflet.latLng(self.latitude(), self.longitude());
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}).extend({
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rateLimit : 200
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});
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self.position.subscribe(function(newValue) {
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if (!aircraftMarker.isDragging)
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aircraftMarker.setLatLng(newValue);
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});
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self.labelLines = [
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'You', ko.pureComputed(function() {
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var h = Math.round(self.heading());
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var t = Math.round(self.tas());
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var a = Math.round(self.altitude());
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return '' + h + "T " + t + "KTAS " + a + "ft";
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}),
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];
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self.mapCenter = ko.pureComputed(function() {
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return leaflet.latLng(self.latitude(), self.longitude());
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}).extend({
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rateLimit : 2000
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});
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self.aircraftTrailLength = 60;
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self.mapCenter.subscribe(function(newValue) {
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if (self.followAircraft()) {
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self.map.setView(newValue);
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}
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var trail = aircraftTrack.getLatLngs();
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while (trail.length > self.aircraftTrailLength)
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trail.shift();
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trail.push(newValue);
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aircraftTrack.setLatLngs(trail);
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});
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var center = leaflet.latLng(self.latitude(), self.longitude());
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self.map.setView(center);
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aircraftMarker.setLatLng(center);
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}
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ViewModel.prototype.dispose = function() {
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this.map.remove();
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}
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// Return component definition
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return {
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viewModel : {
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createViewModel : function(params, componentInfo) {
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return new ViewModel(params, componentInfo);
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},
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},
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template : htmlString,
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};
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});
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