510 lines
14 KiB
JavaScript
510 lines
14 KiB
JavaScript
// Define our global variables
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var GoogleMap = null;
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var CenterLat = 45.0;
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var CenterLon = 9.0;
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var ZoomLvl = 5;
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var Planes = {};
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var PlanesOnMap = 0;
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var PlanesOnTable = 0;
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var PlanesToReap = 0;
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var SelectedPlane = null;
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var planeObject = null;
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var iSortCol=-1;
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var bSortASC=true;
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var bDefaultSortASC=true;
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var iDefaultSortCol=3;
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planeObject = {
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oldlat : null,
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oldlon : null,
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oldalt : null,
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// Basic location information
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altitude : null,
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speed : null,
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track : null,
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latitude : null,
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longitude : null,
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// Info about the plane
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flight : null,
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squawk : null,
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icao : null,
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// Data packet numbers
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messages : null,
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seen : null,
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// Vaild...
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vPosition : false,
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vTrack : false,
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// GMap Details
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marker : null,
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trackdata : null,
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// When was this last updated?
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updated : null,
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reapable : false,
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// Appends data to the running track so we can get a visual tail on the plane
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// Only useful for a long running browser session.
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funcAddToTrack : function(){
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// TODO: Write this function out
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},
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// Should create an icon for us to use on the map...
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funcGetIcon : function() {
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var selected = false;
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var r = 255, g = 255, b = 0;
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return {
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strokeWeight: (selected ? 2 : 1),
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path: google.maps.SymbolPath.FORWARD_CLOSED_ARROW,
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scale: 5,
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fillColor: 'rgb('+r+','+g+','+b+')',
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fillOpacity: 0.9,
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rotation: this.track
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};
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},
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// TODO: Trigger actions of a selecting a plane
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funcSelectPlane : function(selectedPlane){
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},
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// Update our data
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funcUpdateData : function(data){
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// So we can find out if we moved
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var oldlat = this.latitude;
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var oldlon = this.longitude;
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var oldalt = this.altitude;
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// Update all of our data
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this.updated = new Date().getTime();
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this.altitude = data.altitude;
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this.speed = data.speed;
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this.track = data.track;
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this.latitude = data.lat;
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this.longitude = data.lon;
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this.flight = data.flight;
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this.squawk = data.squawk;
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this.icao = data.hex;
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this.messages = data.messages;
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this.seen = data.seen;
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// If no packet in over 58 seconds, consider the plane reapable
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// This way we can hold it, but not show it just in case the plane comes back
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if (this.seen > 58) {
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this.reapable = true;
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if (this.marker) {
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this.marker.setMap(null);
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this.marker = null;
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}
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if (SelectedPlane == this.icao) {
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SelectedPlane = null;
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}
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} else {
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if (this.reapable == true) {
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console.log(this.icao + ' has come back into range before the reaper!');
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}
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this.reapable = false;
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}
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// Is the position valid?
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if ((data.validposition == 1) && (this.reapable == false)) {
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this.vPosition = true;
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// Detech if the plane has moved
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changeLat = false;
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changeLon = false;
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changeAlt = false;
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if (oldlat != this.latitude) {
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changeLat = true;
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}
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if (oldlon != this.longitude) {
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changeLon = true;
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}
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if (oldalt != this.altitude) {
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changeLon = true;
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}
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if ((changeLat == true) || (changeLon == true) || (changeAlt == true)) {
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this.funcAddToTrack();
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}
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this.marker = this.funcUpdateMarker();
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PlanesOnMap++;
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} else {
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this.vPosition = false;
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}
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// Do we have a valid track for the plane?
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if (data.validtrack == 1)
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this.vTrack = true;
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else
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this.vTrack = false;
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},
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// Update our marker on the map
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funcUpdateMarker: function() {
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if (this.marker) {
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this.marker.setPosition(new google.maps.LatLng(this.latitude, this.longitude));
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this.marker.setIcon(this.funcGetIcon());
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} else {
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this.marker = new google.maps.Marker({
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position: new google.maps.LatLng(this.latitude, this.longitude),
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map: GoogleMap,
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icon: this.funcGetIcon(),
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visable: true,
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});
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// Trap clicks for this marker.
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google.maps.event.addListener(this.marker, 'click', this.funcSelectPlane);
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}
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// Setting the marker title
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if (this.flight.length == 0) {
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this.marker.setTitle(this.hex);
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} else {
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this.marker.setTitle(this.flight+' ('+this.icao+')');
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}
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return this.marker;
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},
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};
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function fetchData() {
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$.getJSON('/dump1090/data.json', function(data) {
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PlanesOnMap = 0
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// Loop through all the planes in the data packet
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for (var j=0; j < data.length; j++) {
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// Do we already have this plane object in Planes?
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// If not make it.
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if (Planes[data[j].hex]) {
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var plane = Planes[data[j].hex];
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} else {
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var plane = jQuery.extend(true, {}, planeObject);
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}
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// Call the function update
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plane.funcUpdateData(data[j]);
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// Copy the plane into Planes
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Planes[plane.icao] = plane;
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}
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PlanesOnTable = data.length;
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});
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}
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// Initalizes the map and starts up our timers to call various functions
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function initialize() {
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// Make a list of all the available map IDs
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var mapTypeIds = [];
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for(var type in google.maps.MapTypeId) {
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mapTypeIds.push(google.maps.MapTypeId[type]);
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}
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// Push OSM on to the end
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mapTypeIds.push("OSM");
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mapTypeIds.push("dark_map");
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// Styled Map to outline airports and highways
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var styles = [
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{
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"stylers": [
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{ "visibility": "simplified" },
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{ "weight": 1 },
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{ "invert_lightness": true }
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]
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},{
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"featureType": "road",
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"stylers": [
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{ "visibility": "off" }
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]
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},{
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"featureType": "transit",
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"stylers": [
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{ "visibility": "off" }
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]
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},{
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"featureType": "transit.station.airport",
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"stylers": [
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{ "visibility": "on" },
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{ "invert_lightness": true },
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{ "gamma": 0.43 }
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]
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},{
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"featureType": "poi",
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"stylers": [
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{ "visibility": "off" }
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]
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},{
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"featureType": "road.highway.controlled_access",
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"stylers": [
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{ "visibility": "simplified" }
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]
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}
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]
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// Add our styled map
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var styledMap = new google.maps.StyledMapType(styles, {name: "Dark Map"});
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// Define the Google Map
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var mapOptions = {
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center: new google.maps.LatLng(CenterLat, CenterLon),
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zoom: ZoomLvl,
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mapTypeId: google.maps.MapTypeId.ROADMAP,
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mapTypeControlOptions: {
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mapTypeIds: mapTypeIds,
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}
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};
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GoogleMap = new google.maps.Map(document.getElementById("map_canvas"), mapOptions);
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//Define OSM map type pointing at the OpenStreetMap tile server
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GoogleMap.mapTypes.set("OSM", new google.maps.ImageMapType({
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getTileUrl: function(coord, zoom) {
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return "http://tile.openstreetmap.org/" + zoom + "/" + coord.x + "/" + coord.y + ".png";
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},
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tileSize: new google.maps.Size(256, 256),
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name: "OpenStreetMap",
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maxZoom: 18
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}));
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GoogleMap.mapTypes.set("dark_map", styledMap);
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// Setup our timer to poll from the server.
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window.setInterval(function() {
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fetchData();
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refreshTableInfo();
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refreshSelected()
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reaper();
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}, 1000);
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// Faster timer, smoother things
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//window.setInterval(function() {
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// printTime();
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//}, 250);
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}
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// This looks for planes to reap out of the master Planes variable
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function reaper() {
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PlanesToReap = 0;
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// When did the reaper start?
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reaptime = new Date().getTime();
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// Loop the planes
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for (var reap in Planes) {
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// Is this plane possibly reapable?
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if (Planes[reap].reapable == true) {
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// Has it not been seen for 5 minutes?
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// This way we still have it if it returns before then
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// Due to loss of signal or other reasons
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if ((reaptime - Planes[reap].updated) > 300000) {
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// Reap it.
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delete Planes[reap];
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}
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PlanesToReap++;
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}
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};
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}
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// Refresh the detail window about the plane
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function refreshSelected() {
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if ((SelectedPlane != "ICAO") && (SelectedPlane != null)) {
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var selected = Planes[SelectedPlane];
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if (selected.flight == "") {
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selected.flight="N/A (" + selected.icao + ")";
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}
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var html = '<table id="selectedinfo" width="100%">';
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html += '<tr><td colspan="2" id="selectedinfotitle"><b>' + selected.flight + '</b><td></tr>';
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// Lets hope we never see this... Aircraft Hijacking
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if (selected.squawk == 7500) {
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html += '<tr><td colspan="2"id="selectedinfotitle">Squawking: Aircraft Hijacking</td>'
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}
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// Radio Failure
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if (selected.squawk == 7600) {
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html += '<tr><td colspan="2" id="selectedinfotitle">Squawking: Communication Loss (Radio Failure)</td>'
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}
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// Emergancy
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if (selected.squawk == 7700) {
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html += '<tr><td colspan="2" id="selectedinfotitle">Squawking: Emergancy</td>'
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}
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html += '<tr><td>Altitude: ' + selected.altitude + '</td><td>Squawk: ' + selected.squawk + '</td></tr>';
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html += '<tr><td>Track: ' + selected.track + ' (' + normalizeTrack(selected.track, selected.vTrack)[1] +')</td><td>ICAO (hex): ' + selected.icao + '</td></tr>';
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html += '<tr><td colspan="2" align="center">Lat/Long: ' + selected.latitude + ', ' + selected.longitude + '</td></tr>';
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html += '</table>';
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} else {
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var html = '';
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}
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document.getElementById('plane_detail').innerHTML = html;
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}
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// Right now we have no means to validate the speed is good
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// Want to return (n/a) when we dont have it
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// TODO: Edit C code to add a valid speed flag
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// TODO: Edit js code to use said flag
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function normalizeSpeed(speed, valid) {
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return speed
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}
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// Returns back a long string, short string, and the track if we have a vaild track path
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function normalizeTrack(track, valid){
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x = []
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if ((track > -1) && (track < 22.5)) {
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x = ["North", "N", track]
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}
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if ((track > 22.5) && (track < 67.5)) {
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x = ["North East", "NE", track]
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}
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if ((track > 67.5) && (track < 112.5)) {
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x = ["East", "E", track]
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}
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if ((track > 112.5) && (track < 157.5)) {
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x = ["South East", "SE", track]
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}
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if ((track > 157.5) && (track < 202.5)) {
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x = ["South", "S", track]
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}
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if ((track > 202.5) && (track < 247.5)) {
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x = ["South West", "SW", track]
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}
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if ((track > 247.5) && (track < 292.5)) {
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x = ["West", "W", track]
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}
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if ((track > 292.5) && (track < 337.5)) {
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x = ["North West", "NW", track]
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}
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if ((track > 337.5) && (track < 361)) {
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x = ["North", "N", track]
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}
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if (!valid) {
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x = [" ", "n/a", ""]
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}
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return x
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}
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// Refeshes the larger table of all the planes
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function refreshTableInfo() {
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var html = '<table id="tableinfo" width="100%">';
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html += '<thead style="background-color: #BBBBBB; cursor: pointer;">';
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html += '<td onclick="setASC_DESC(\'0\');sortTable(\'tableinfo\',\'0\');">ICAO</td>';
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html += '<td onclick="setASC_DESC(\'1\');sortTable(\'tableinfo\',\'1\');">Flight</td>';
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html += '<td onclick="setASC_DESC(\'2\');sortTable(\'tableinfo\',\'2\');" align="right">Squawk</td>';
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html += '<td onclick="setASC_DESC(\'3\');sortTable(\'tableinfo\',\'3\');" align="right">Altitude</td>';
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html += '<td onclick="setASC_DESC(\'4\');sortTable(\'tableinfo\',\'4\');" align="right">Speed</td>';
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html += '<td onclick="setASC_DESC(\'5\');sortTable(\'tableinfo\',\'5\');" align="right">Track</td>';
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html += '<td onclick="setASC_DESC(\'6\');sortTable(\'tableinfo\',\'6\');" align="right">Msgs</td>';
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html += '<td onclick="setASC_DESC(\'7\');sortTable(\'tableinfo\',\'7\');" align="right">Seen</td></thead><tbody>';
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for (var tablep in Planes) {
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var tableplane = Planes[tablep]
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if (!tableplane.reapable) {
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var specialStyle = "";
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// Is this the plane we selected?
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if (tableplane.icao == SelectedPlane) {
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specialStyle += " selected";
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}
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// Lets hope we never see this... Aircraft Hijacking
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if (tableplane.squawk == 7500) {
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specialStyle += " squawk7500";
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}
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// Radio Failure
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if (tableplane.squawk == 7600) {
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specialStyle += " squawk7600";
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}
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// Emergancy
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if (tableplane.squawk == 7700) {
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specialStyle += " squawk7700";
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}
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if (tableplane.vPosition == true)
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html += '<tr class="plane_table_row vPosition' + specialStyle + '">';
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else
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html += '<tr class="plane_table_row ' + specialStyle + '">';
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html += '<td>' + tableplane.icao + '</td>';
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html += '<td>' + tableplane.flight + '</td>';
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html += '<td align="right">' + tableplane.squawk + '</td>';
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html += '<td align="right">' + tableplane.altitude + '</td>';
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html += '<td align="right">' + tableplane.speed + '</td>';
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html += '<td align="right">' + normalizeTrack(tableplane.track, tableplane.vTrack)[2] + ' (' + normalizeTrack(tableplane.track, tableplane.vTrack)[1] + ')</td>';
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html += '<td align="right">' + tableplane.messages + '</td>';
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html += '<td align="right">' + tableplane.seen + '</td>';
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html += '</tr>';
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}
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}
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html += '</tbody></table>';
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document.getElementById('planes_table').innerHTML = html;
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// Click event for table
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$('#planes_table').find('tr').click( function(){
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var hex = $(this).find('td:first').text();
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if (hex != "ICAO") {
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selectPlaneByHex(hex);
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refreshTableInfo()
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refreshSelected()
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}
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});
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sortTable("tableinfo");
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}
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// Credit goes to a co-worker that needed a similar functions for something else
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// we get a copy of it free ;)
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function setASC_DESC(iCol) {
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if(iSortCol==iCol) {
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bSortASC=!bSortASC;
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} else {
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bSortASC=bDefaultSortASC;
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}
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}
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function sortTable(szTableID,iCol) {
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//if iCol was not provided, and iSortCol is not set, assign default value
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if (typeof iCol==='undefined'){
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if(iSortCol!=-1){
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var iCol=iSortCol;
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} else {
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var iCol=iDefaultSortCol;
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}
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}
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//retrieve passed table element
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var oTbl=document.getElementById(szTableID).tBodies[0];
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var aStore=[];
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//If supplied col # is greater than the actual number of cols, set sel col = to last col
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if (oTbl.rows[0].cells.length<=iCol)
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iCol=(oTbl.rows[0].cells.length-1);
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//store the col #
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iSortCol=iCol;
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//determine if we are delaing with numerical, or alphanumeric content
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bNumeric=!isNaN(parseFloat(oTbl.rows[0].cells[iSortCol].textContent||oTbl.rows[0].cells[iSortCol].innerText))?true:false;
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//loop through the rows, storing each one inro aStore
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for (var i=0,iLen=oTbl.rows.length;i<iLen;i++){
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var oRow=oTbl.rows[i];
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vColData=bNumeric?parseFloat(oRow.cells[iSortCol].textContent||oRow.cells[iSortCol].innerText):String(oRow.cells[iSortCol].textContent||oRow.cells[iSortCol].innerText);
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aStore.push([vColData,oRow]);
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}
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//sort aStore ASC/DESC based on value of bSortASC
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if(bNumeric){//numerical sort
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aStore.sort(function(x,y){return bSortASC?x[0]-y[0]:y[0]-x[0];});
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}else{//alpha sort
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aStore.sort();
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if(!bSortASC)
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aStore.reverse();
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}
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//rewrite the table rows to the passed table element
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for(var i=0,iLen=aStore.length;i<iLen;i++){
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oTbl.appendChild(aStore[i][1]);
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}
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aStore=null;
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}
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function selectPlaneByHex(hex) {
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SelectedPlane = hex;
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}
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