dump1090/public_html/script.js
2013-05-22 03:26:40 +00:00

582 lines
16 KiB
JavaScript

// Define our global variables
var GoogleMap = null;
var CenterLat = 35.21928;
var CenterLon = -80.94406;
var ZoomLvl = 9;
var Planes = {};
var PlanesOnMap = 0;
var PlanesOnTable = 0;
var PlanesToReap = 0;
var SelectedPlane = null;
var planeObject = null;
var iSortCol=-1;
var bSortASC=true;
var bDefaultSortASC=true;
var iDefaultSortCol=3;
planeObject = {
oldlat : null,
oldlon : null,
oldalt : null,
// Basic location information
altitude : null,
speed : null,
track : null,
latitude : null,
longitude : null,
// Info about the plane
flight : null,
squawk : null,
icao : null,
// Data packet numbers
messages : null,
seen : null,
// Vaild...
vPosition : false,
vTrack : false,
// GMap Details
marker : null,
lines : [],
trackdata : new Array(),
trackline : new Array(),
// When was this last updated?
updated : null,
reapable : false,
// Appends data to the running track so we can get a visual tail on the plane
// Only useful for a long running browser session.
funcAddToTrack : function(){
// TODO: Write this function out
this.trackdata.push([this.latitude, this.longitude, this.altitude, this.track, this.speed]);
this.trackline.push(new google.maps.LatLng(this.latitude, this.longitude));
},
// This is to remove the line from the screen if we deselect the plane
funcClearLine : function() {
console.log("Clearing line for: " + this.icao);
if (this.line) {
this.line.setMap(null);
this.line = null;
x = 2 + 2;
}
},
// Should create an icon for us to use on the map...
funcGetIcon : function() {
var selected = false;
var r = 255, g = 255, b = 0;
return {
strokeWeight: (selected ? 2 : 1),
path: google.maps.SymbolPath.FORWARD_CLOSED_ARROW,
scale: 5,
fillColor: 'rgb('+r+','+g+','+b+')',
fillOpacity: 0.9,
rotation: this.track
};
},
// TODO: Trigger actions of a selecting a plane
funcSelectPlane : function(selectedPlane){
selectPlaneByHex(this.icao);
},
// Update our data
funcUpdateData : function(data){
// So we can find out if we moved
var oldlat = this.latitude;
var oldlon = this.longitude;
var oldalt = this.altitude;
// Update all of our data
this.updated = new Date().getTime();
this.altitude = data.altitude;
this.speed = data.speed;
this.track = data.track;
this.latitude = data.lat;
this.longitude = data.lon;
this.flight = data.flight;
this.squawk = data.squawk;
this.icao = data.hex;
this.messages = data.messages;
this.seen = data.seen;
// If no packet in over 58 seconds, consider the plane reapable
// This way we can hold it, but not show it just in case the plane comes back
if (this.seen > 58) {
this.reapable = true;
if (this.marker) {
this.marker.setMap(null);
this.marker = null;
}
if (this.line) {
this.line.setMap(null);
this.line = null;
}
if (SelectedPlane == this.icao) {
SelectedPlane = null;
}
} else {
if (this.reapable == true) {
console.log(this.icao + ' has come back into range before the reaper!');
}
this.reapable = false;
}
// Is the position valid?
if ((data.validposition == 1) && (this.reapable == false)) {
this.vPosition = true;
// Detech if the plane has moved
changeLat = false;
changeLon = false;
changeAlt = false;
if (oldlat != this.latitude) {
changeLat = true;
}
if (oldlon != this.longitude) {
changeLon = true;
}
if (oldalt != this.altitude) {
changeLon = true;
}
if ((changeLat == true) || (changeLon == true) || (changeAlt == true)) {
this.funcAddToTrack();
if (this.icao == SelectedPlane) {
this.line = this.funcUpdateLines();
}
}
this.marker = this.funcUpdateMarker();
PlanesOnMap++;
} else {
this.vPosition = false;
}
// Do we have a valid track for the plane?
if (data.validtrack == 1)
this.vTrack = true;
else
this.vTrack = false;
},
// Update our marker on the map
funcUpdateMarker: function() {
if (this.marker) {
this.marker.setPosition(new google.maps.LatLng(this.latitude, this.longitude));
this.marker.setIcon(this.funcGetIcon());
} else {
this.marker = new google.maps.Marker({
position: new google.maps.LatLng(this.latitude, this.longitude),
map: GoogleMap,
icon: this.funcGetIcon(),
visable: true,
});
// This is so we can match icao address
this.marker.icao = this.icao;
// Trap clicks for this marker.
google.maps.event.addListener(this.marker, 'click', this.funcSelectPlane);
}
// Setting the marker title
if (this.flight.length == 0) {
this.marker.setTitle(this.hex);
} else {
this.marker.setTitle(this.flight+' ('+this.icao+')');
}
return this.marker;
},
// Update our planes tail line,
// TODO: Make this multi colored based on options
// altitude (default) or speed
funcUpdateLines: function() {
if (this.line) {
var path = this.line.getPath();
path.push(new google.maps.LatLng(this.latitude, this.longitude));
} else {
console.log("Starting new line");
this.line = new google.maps.Polyline({
strokeColor: '#000000',
strokeOpacity: 1.0,
strokeWeight: 3,
map: GoogleMap,
path: this.trackline,
});
}
return this.line;
},
};
function fetchData() {
$.getJSON('/dump1090/data.json', function(data) {
PlanesOnMap = 0
// Loop through all the planes in the data packet
for (var j=0; j < data.length; j++) {
// Do we already have this plane object in Planes?
// If not make it.
if (Planes[data[j].hex]) {
var plane = Planes[data[j].hex];
} else {
var plane = jQuery.extend(true, {}, planeObject);
}
// Call the function update
plane.funcUpdateData(data[j]);
// Copy the plane into Planes
Planes[plane.icao] = plane;
}
PlanesOnTable = data.length;
});
}
// Initalizes the map and starts up our timers to call various functions
function initialize() {
// Make a list of all the available map IDs
var mapTypeIds = [];
for(var type in google.maps.MapTypeId) {
mapTypeIds.push(google.maps.MapTypeId[type]);
}
// Push OSM on to the end
mapTypeIds.push("OSM");
mapTypeIds.push("dark_map");
// Styled Map to outline airports and highways
var styles = [
{
"featureType": "administrative",
"stylers": [
{ "visibility": "off" }
]
},{
"featureType": "landscape",
"stylers": [
{ "visibility": "off" }
]
},{
"featureType": "poi",
"stylers": [
{ "visibility": "off" }
]
},{
"featureType": "road",
"stylers": [
{ "visibility": "off" }
]
},{
"featureType": "transit",
"stylers": [
{ "visibility": "off" }
]
},{
"featureType": "landscape",
"stylers": [
{ "visibility": "on" },
{ "weight": 8 },
{ "color": "#000000" }
]
},{
"featureType": "water",
"stylers": [
{ "lightness": -74 }
]
},{
"featureType": "transit.station.airport",
"stylers": [
{ "visibility": "on" },
{ "weight": 8 },
{ "invert_lightness": true },
{ "lightness": 27 }
]
},{
"featureType": "road.highway",
"stylers": [
{ "visibility": "simplified" },
{ "invert_lightness": true },
{ "gamma": 0.3 }
]
},{
"featureType": "road",
"elementType": "labels",
"stylers": [
{ "visibility": "off" }
]
}
]
// Add our styled map
var styledMap = new google.maps.StyledMapType(styles, {name: "Dark Map"});
// Define the Google Map
var mapOptions = {
center: new google.maps.LatLng(CenterLat, CenterLon),
zoom: ZoomLvl,
mapTypeId: google.maps.MapTypeId.ROADMAP,
mapTypeControlOptions: {
mapTypeIds: mapTypeIds,
}
};
GoogleMap = new google.maps.Map(document.getElementById("map_canvas"), mapOptions);
//Define OSM map type pointing at the OpenStreetMap tile server
GoogleMap.mapTypes.set("OSM", new google.maps.ImageMapType({
getTileUrl: function(coord, zoom) {
return "http://tile.openstreetmap.org/" + zoom + "/" + coord.x + "/" + coord.y + ".png";
},
tileSize: new google.maps.Size(256, 256),
name: "OpenStreetMap",
maxZoom: 18
}));
GoogleMap.mapTypes.set("dark_map", styledMap);
// Setup our timer to poll from the server.
window.setInterval(function() {
fetchData();
refreshTableInfo();
refreshSelected()
reaper();
}, 1000);
// Faster timer, smoother things
//window.setInterval(function() {
// printTime();
//}, 250);
}
// This looks for planes to reap out of the master Planes variable
function reaper() {
PlanesToReap = 0;
// When did the reaper start?
reaptime = new Date().getTime();
// Loop the planes
for (var reap in Planes) {
// Is this plane possibly reapable?
if (Planes[reap].reapable == true) {
// Has it not been seen for 5 minutes?
// This way we still have it if it returns before then
// Due to loss of signal or other reasons
if ((reaptime - Planes[reap].updated) > 300000) {
// Reap it.
delete Planes[reap];
}
PlanesToReap++;
}
};
}
// Refresh the detail window about the plane
function refreshSelected() {
if ((SelectedPlane != "ICAO") && (SelectedPlane != null)) {
var selected = Planes[SelectedPlane];
if (selected.flight == "") {
selected.flight="N/A (" + selected.icao + ")";
}
var html = '<table id="selectedinfo" width="100%">';
html += '<tr><td colspan="2" id="selectedinfotitle"><b>' + selected.flight + '</b><td></tr>';
// Lets hope we never see this... Aircraft Hijacking
if (selected.squawk == 7500) {
html += '<tr><td colspan="2"id="selectedinfotitle">Squawking: Aircraft Hijacking</td>'
}
// Radio Failure
if (selected.squawk == 7600) {
html += '<tr><td colspan="2" id="selectedinfotitle">Squawking: Communication Loss (Radio Failure)</td>'
}
// Emergancy
if (selected.squawk == 7700) {
html += '<tr><td colspan="2" id="selectedinfotitle">Squawking: Emergancy</td>'
}
html += '<tr><td>Altitude: ' + selected.altitude + '</td><td>Squawk: ' + selected.squawk + '</td></tr>';
html += '<tr><td>Track: ' + selected.track + ' (' + normalizeTrack(selected.track, selected.vTrack)[1] +')</td><td>ICAO (hex): ' + selected.icao + '</td></tr>';
html += '<tr><td colspan="2" align="center">Lat/Long: ' + selected.latitude + ', ' + selected.longitude + '</td></tr>';
html += '</table>';
} else {
var html = '';
}
document.getElementById('plane_detail').innerHTML = html;
}
// Right now we have no means to validate the speed is good
// Want to return (n/a) when we dont have it
// TODO: Edit C code to add a valid speed flag
// TODO: Edit js code to use said flag
function normalizeSpeed(speed, valid) {
return speed
}
// Returns back a long string, short string, and the track if we have a vaild track path
function normalizeTrack(track, valid){
x = []
if ((track > -1) && (track < 22.5)) {
x = ["North", "N", track]
}
if ((track > 22.5) && (track < 67.5)) {
x = ["North East", "NE", track]
}
if ((track > 67.5) && (track < 112.5)) {
x = ["East", "E", track]
}
if ((track > 112.5) && (track < 157.5)) {
x = ["South East", "SE", track]
}
if ((track > 157.5) && (track < 202.5)) {
x = ["South", "S", track]
}
if ((track > 202.5) && (track < 247.5)) {
x = ["South West", "SW", track]
}
if ((track > 247.5) && (track < 292.5)) {
x = ["West", "W", track]
}
if ((track > 292.5) && (track < 337.5)) {
x = ["North West", "NW", track]
}
if ((track > 337.5) && (track < 361)) {
x = ["North", "N", track]
}
if (!valid) {
x = [" ", "n/a", ""]
}
return x
}
// Refeshes the larger table of all the planes
function refreshTableInfo() {
var html = '<table id="tableinfo" width="100%">';
html += '<thead style="background-color: #BBBBBB; cursor: pointer;">';
html += '<td onclick="setASC_DESC(\'0\');sortTable(\'tableinfo\',\'0\');">ICAO</td>';
html += '<td onclick="setASC_DESC(\'1\');sortTable(\'tableinfo\',\'1\');">Flight</td>';
html += '<td onclick="setASC_DESC(\'2\');sortTable(\'tableinfo\',\'2\');" align="right">Squawk</td>';
html += '<td onclick="setASC_DESC(\'3\');sortTable(\'tableinfo\',\'3\');" align="right">Altitude</td>';
html += '<td onclick="setASC_DESC(\'4\');sortTable(\'tableinfo\',\'4\');" align="right">Speed</td>';
html += '<td onclick="setASC_DESC(\'5\');sortTable(\'tableinfo\',\'5\');" align="right">Track</td>';
html += '<td onclick="setASC_DESC(\'6\');sortTable(\'tableinfo\',\'6\');" align="right">Msgs</td>';
html += '<td onclick="setASC_DESC(\'7\');sortTable(\'tableinfo\',\'7\');" align="right">Seen</td></thead><tbody>';
for (var tablep in Planes) {
var tableplane = Planes[tablep]
if (!tableplane.reapable) {
var specialStyle = "";
// Is this the plane we selected?
if (tableplane.icao == SelectedPlane) {
specialStyle += " selected";
}
// Lets hope we never see this... Aircraft Hijacking
if (tableplane.squawk == 7500) {
specialStyle += " squawk7500";
}
// Radio Failure
if (tableplane.squawk == 7600) {
specialStyle += " squawk7600";
}
// Emergancy
if (tableplane.squawk == 7700) {
specialStyle += " squawk7700";
}
if (tableplane.vPosition == true)
html += '<tr class="plane_table_row vPosition' + specialStyle + '">';
else
html += '<tr class="plane_table_row ' + specialStyle + '">';
html += '<td>' + tableplane.icao + '</td>';
html += '<td>' + tableplane.flight + '</td>';
html += '<td align="right">' + tableplane.squawk + '</td>';
html += '<td align="right">' + tableplane.altitude + '</td>';
html += '<td align="right">' + tableplane.speed + '</td>';
html += '<td align="right">' + normalizeTrack(tableplane.track, tableplane.vTrack)[2] + ' (' + normalizeTrack(tableplane.track, tableplane.vTrack)[1] + ')</td>';
html += '<td align="right">' + tableplane.messages + '</td>';
html += '<td align="right">' + tableplane.seen + '</td>';
html += '</tr>';
}
}
html += '</tbody></table>';
document.getElementById('planes_table').innerHTML = html;
// Click event for table
$('#planes_table').find('tr').click( function(){
var hex = $(this).find('td:first').text();
if (hex != "ICAO") {
selectPlaneByHex(hex);
refreshTableInfo()
refreshSelected()
}
});
sortTable("tableinfo");
}
// Credit goes to a co-worker that needed a similar functions for something else
// we get a copy of it free ;)
function setASC_DESC(iCol) {
if(iSortCol==iCol) {
bSortASC=!bSortASC;
} else {
bSortASC=bDefaultSortASC;
}
}
function sortTable(szTableID,iCol) {
//if iCol was not provided, and iSortCol is not set, assign default value
if (typeof iCol==='undefined'){
if(iSortCol!=-1){
var iCol=iSortCol;
} else {
var iCol=iDefaultSortCol;
}
}
//retrieve passed table element
var oTbl=document.getElementById(szTableID).tBodies[0];
var aStore=[];
//If supplied col # is greater than the actual number of cols, set sel col = to last col
if (oTbl.rows[0].cells.length<=iCol)
iCol=(oTbl.rows[0].cells.length-1);
//store the col #
iSortCol=iCol;
//determine if we are delaing with numerical, or alphanumeric content
bNumeric=!isNaN(parseFloat(oTbl.rows[0].cells[iSortCol].textContent||oTbl.rows[0].cells[iSortCol].innerText))?true:false;
//loop through the rows, storing each one inro aStore
for (var i=0,iLen=oTbl.rows.length;i<iLen;i++){
var oRow=oTbl.rows[i];
vColData=bNumeric?parseFloat(oRow.cells[iSortCol].textContent||oRow.cells[iSortCol].innerText):String(oRow.cells[iSortCol].textContent||oRow.cells[iSortCol].innerText);
aStore.push([vColData,oRow]);
}
//sort aStore ASC/DESC based on value of bSortASC
if(bNumeric){//numerical sort
aStore.sort(function(x,y){return bSortASC?x[0]-y[0]:y[0]-x[0];});
}else{//alpha sort
aStore.sort();
if(!bSortASC)
aStore.reverse();
}
//rewrite the table rows to the passed table element
for(var i=0,iLen=aStore.length;i<iLen;i++){
oTbl.appendChild(aStore[i][1]);
}
aStore=null;
}
function selectPlaneByHex(hex) {
x = 2 + 2;
Planes[SelectedPlane].funcClearLine();
SelectedPlane = hex;
}