472 lines
14 KiB
JavaScript
472 lines
14 KiB
JavaScript
var Map = 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 PlanesOnGrid = 0;
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var Selected = 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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if (localStorage['CenterLat']) { CenterLat = Number(localStorage['CenterLat']); }
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if (localStorage['CenterLon']) { CenterLon = Number(localStorage['CenterLon']); }
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if (localStorage['ZoomLvl']) { ZoomLvl = Number(localStorage['ZoomLvl']); }
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function getIconForPlane(plane, deselect) {
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var selected = false;
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var track = 0;
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var r = 255, g = 255, b = 0;
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var maxalt = 40000; // Max altitude in the average case
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var invalt = 0;
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// If there is plane object
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if (plane) {
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invalt = maxalt-plane.altitude;
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if (Selected == plane.hex && !deselect) {
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selected = true;
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}
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track = plane.track;
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}
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if (invalt < 0) invalt = 0;
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b = parseInt(255/maxalt*invalt);
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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: track
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};
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}
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/* Gets hex code of selected plane as string or nothing. *
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* Select not valid ICAO24 (hex) address to clear selection. */
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function selectPlane(selectedPlane) {
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if (selectedPlane.length) this.planehex = selectedPlane;
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// Deselect planes
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if (!Planes[this.planehex]) {
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if (Planes[Selected].marker) {
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Planes[Selected].marker.setIcon(getIconForPlane(Planes[Selected], true));
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}
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Selected = null;
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refreshSelectedInfo();
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refreshTableInfo();
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return;
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}
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var old = Selected;
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Selected = this.planehex;
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if (Planes[old] && Planes[old].validposition) {
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// Remove the highlight in the previously selected plane.
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Planes[old].marker.setIcon(getIconForPlane(Planes[old]));
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}
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if (Planes[Selected].validposition) {
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Planes[Selected].marker.setIcon(getIconForPlane(Planes[Selected]));
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}
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refreshSelectedInfo();
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refreshTableInfo();
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}
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function refreshGeneralInfo() {
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var i = document.getElementById('geninfo');
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i.innerHTML = PlanesOnMap + ' planes on the map. ';
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i.innerHTML += PlanesOnGrid + ' planes on the grid.';
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}
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function refreshSelectedInfo() {
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var i = document.getElementById('selinfo');
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var p = Planes[Selected];
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// If no plane is selected
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if (!p) {
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p = {};
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p.flight = "";
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p.hex = "";
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p.squawk = "";
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p.altitude = "0";
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p.speed = "0";
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p.lat = "lat";
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p.lon = "lon";
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p.messages = "0";
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p.seen = "0";
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}
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var html = '<table id="selectedinfo">';
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if (p.flight != "") {
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html += '<tr><td colspan=2><b>'+p.flight+' </b>';
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html += '[<a href="http://www.flightstats.com/go/FlightStatus/flightStatusByFlight.do?';
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html += 'flightNumber='+p.flight+'" target="_blank">FlightStats</a>]</td></tr>';
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} else {
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html += '<tr><td colspan=2><b> </b></td></tr>';
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}
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html += '<tr><td>ICAO:</td><td>'+p.hex+'</td></tr>';
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if (p.squawk != "0000") {
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html += '<tr><td>Squawk:</td><td>'+p.squawk+'</td></tr>';
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} else {
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html += '<tr><td>Squawk:</td><td>n/a</td></tr>';
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}
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html += '<tr><td>Altitude:</td><td>'+p.altitude+' feet</td></tr>';
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html += '<tr><td>Speed:</td><td>'+p.speed+' knots</td></tr>';
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if (p.validposition) {
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html += '<tr><td>Coordinates:</td><td>'+p.lat+', '+p.lon+'</td></tr>';
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} else {
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html += '<tr><td>Coordinates:</td><td>n/a</td></tr>';
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}
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html += '<tr><td>Messages:</td><td>'+p.messages+'</td></tr>';
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html += '<tr><td>Seen:</td><td>'+p.seen+' sec</td></tr>';
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html += '</table>';
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i.innerHTML = html;
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}
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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: #CCCCCC; cursor: pointer;">';
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html += '<td onclick="setASC_DESC(\'0\');sortTable(\'tableinfo\',\'0\');">hex</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>';
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for (var p in Planes) {
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var specialStyle = "";
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if (p == Selected) {
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html += '<tr id="tableinforow" style="background-color: #E0E0E0;">';
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} else {
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html += '<tr id="tableinforow">';
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}
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if (Planes[p].validposition) {
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specialStyle = 'bold';
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}
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html += '<td class="' + specialStyle + '">' + Planes[p].hex + '</td>';
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html += '<td class="' + specialStyle + '">' + Planes[p].flight + '</td>';
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html += '<td class="' + specialStyle + '" align="right">' + Planes[p].squawk + '</td>';
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html += '<td class="' + specialStyle + '" align="right">' + Planes[p].altitude + '</td>';
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html += '<td class="' + specialStyle + '" align="right">' + Planes[p].speed + '</td>';
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html += '<td class="' + specialStyle + '" align="right">' + Planes[p].track + '</td>';
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html += '<td class="' + specialStyle + '" align="right">' + Planes[p].messages + '</td>';
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html += '<td class="' + specialStyle + '" align="right">' + Planes[p].seen + '</td>';
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html += '</tr>';
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}
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html += '</table>';
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document.getElementById('tabinfo').innerHTML = html;
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// Click event for table - lags sometimes for some reason?
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$('#tableinfo').find('tr').click( function(){
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var hex = $(this).find('td:first').text();
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selectPlane(hex);
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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 fetchData() {
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$.getJSON('data.json', function(data) {
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// Planes that are still with us, and set map count to 0
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var stillhere = {}
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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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// Set plane to be this particular plane in the data set
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var plane = data[j];
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// Add to the still here list
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stillhere[plane.hex] = true;
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plane.flight = $.trim(plane.flight);
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// Set the marker to null, for now
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var marker = null;
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// Either update the data or add it
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if (Planes[plane.hex]) {
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// Declare our plane that we are working with from our old data set
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var myplane = Planes[plane.hex];
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// If the has valid position, we should make a marker for it
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if (plane.validposition) {
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if (myplane.marker != null) {
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marker = myplane.marker;
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var icon = marker.getIcon();
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var newpos = new google.maps.LatLng(plane.lat, plane.lon);
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marker.setPosition(newpos);
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marker.setIcon(getIconForPlane(plane));
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PlanesOnMap++;
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} else {
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// Add new plane to map, dont ask me why this is needed here now...
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marker = new google.maps.Marker({
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position: new google.maps.LatLng(plane.lat, plane.lon),
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map: Map,
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icon: getIconForPlane(plane)
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});
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myplane.marker = marker;
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marker.planehex = plane.hex;
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PlanesOnMap++;
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// Trap clicks for this marker.
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google.maps.event.addListener(marker, 'click', selectPlane);
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}
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}
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// Update all the other information
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myplane.altitude = plane.altitude;
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myplane.speed = plane.speed;
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myplane.lat = plane.lat;
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myplane.lon = plane.lon;
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myplane.track = plane.track;
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myplane.flight = plane.flight;
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myplane.seen = plane.seen;
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myplane.messages = plane.messages;
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myplane.squawk = plane.squawk;
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myplane.validposition = plane.validposition;
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myplane.validtrack = plane.validtrack;
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// If this is a selected plane, refresh its data outside of the table
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if (myplane.hex == Selected)
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refreshSelectedInfo();
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} else {
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// This is a new plane
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// Do we have a lat/long that is not 0?
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if (plane.validposition) {
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// Add new plane to map
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marker = new google.maps.Marker({
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position: new google.maps.LatLng(plane.lat, plane.lon),
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map: Map,
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icon: getIconForPlane(plane)
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});
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plane.marker = marker;
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marker.planehex = plane.hex;
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PlanesOnMap++;
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// Trap clicks for this marker.
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google.maps.event.addListener(marker, 'click', selectPlane);
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}
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// Copy the plane into Planes
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Planes[plane.hex] = plane;
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}
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// If we have lat/long, we must have a marker, so lets set the marker title
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if (plane.validposition) {
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if (plane.flight.length == 0) {
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marker.setTitle(plane.hex)
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} else {
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marker.setTitle(plane.flight+' ('+plane.hex+')')
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}
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}
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}
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// How many planes have we heard from?
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PlanesOnGrid = data.length;
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/* Remove idle planes. */
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for (var p in Planes) {
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if (!stillhere[p]) {
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if (Planes[p].marker != null)
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Planes[p].marker.setMap(null);
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delete Planes[p];
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}
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}
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refreshTableInfo();
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refreshSelectedInfo();
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});
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}
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function checkTime(i) {
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if (i < 10) {
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return "0" + i;
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}
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return i;
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}
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function printTime() {
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var currentTime = new Date();
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var hours = checkTime(currentTime.getUTCHours());
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var minutes = checkTime(currentTime.getUTCMinutes());
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var seconds = checkTime(currentTime.getUTCSeconds());
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if (document.getElementById) {
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document.getElementById('utcTime').innerHTML =
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hours + ":" + minutes + ":" + seconds;
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}
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}
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function placeSettings() {
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// Settings link
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var marginLeft = $('#header').width() - $('#info_settings').width();
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$('#info_settings').css('left', marginLeft);
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$('#info_settings').css('top', parseInt($('#utcTime').offset().top));
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// Settings area
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$('#info_settings_area').css('top', parseInt($('#geninfo').offset().top));
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$('#info_settings_area').css('left', 5);
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$('#info_settings_area').css('width', parseInt($('#info').width() - 40));
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}
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function toggleSettings() {
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if ($('#info_settings_area').css('display') != 'none') {
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$('#info_settings_area').hide(350);
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} else {
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// Open settings
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$('#info_settings_area').show(350);
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}
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}
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function resetMap() {
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localStorage['CenterLat'] = 45.0;
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localStorage['CenterLon'] = 9.0;
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localStorage['ZoomLvl'] = 5;
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CenterLat = 45.0;
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CenterLon = 9.0;
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ZoomLvl = 5;
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Map.setZoom(parseInt(localStorage['ZoomLvl']));
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Map.setCenter(new google.maps.LatLng(parseFloat(localStorage['CenterLat']),
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parseFloat(localStorage['CenterLon'])));
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Selected = null;
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refreshSelectedInfo();
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}
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function initialize() {
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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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mapTypeIds.push("OSM");
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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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Map = 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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Map.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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// show settings at info-area
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$(function(){
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$(window).resize(function(e){
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placeSettings();
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});
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placeSettings();
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// hide it before it's positioned
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$('#info_settings').css('display','inline');
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});
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// Listener for newly created Map
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google.maps.event.addListener(Map, 'center_changed', function() {
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localStorage['CenterLat'] = Map.getCenter().lat();
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localStorage['CenterLon'] = Map.getCenter().lng();
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});
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google.maps.event.addListener(Map, 'zoom_changed', function() {
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localStorage['ZoomLvl'] = Map.getZoom();
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});
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google.maps.event.addListener(Map, 'click', function() {
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if (Selected) {
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selectPlane("xyzxyz"); // Select not valid ICAO24 (hex) address to clear selection.
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}
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Selected = null;
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refreshSelectedInfo();
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refreshTableInfo();
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});
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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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refreshGeneralInfo();
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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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refreshGeneralInfo();
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refreshSelectedInfo();
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refreshTableInfo();
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}
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