490 lines
18 KiB
JavaScript
490 lines
18 KiB
JavaScript
$(function(){
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var query = window.location.search.replace(/^\?/, '').split('&').map(function(v){
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var s = v.split('=');
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var r = {};
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r[s[0]] = s.slice(1).join('=');
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return r;
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}).reduce(function(a, b){
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return a.assign(b);
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});
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var expectedCallsign;
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if (query.callsign) expectedCallsign = decodeURIComponent(query.callsign);
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var expectedLocator;
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if (query.locator) expectedLocator = query.locator;
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var protocol = window.location.protocol.match(/https/) ? 'wss' : 'ws';
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var href = window.location.href;
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var index = href.lastIndexOf('/');
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if (index > 0) {
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href = href.substr(0, index + 1);
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}
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href = href.split("://")[1];
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href = protocol + "://" + href;
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if (!href.endsWith('/')) {
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href += '/';
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}
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var ws_url = href + "ws/";
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var map;
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var markers = {};
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var rectangles = {};
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var receiverMarker;
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var updateQueue = [];
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// reasonable default; will be overriden by server
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var retention_time = 2 * 60 * 60 * 1000;
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var strokeOpacity = 0.8;
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var fillOpacity = 0.35;
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var callsign_url = null;
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var colorKeys = {};
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var colorScale = chroma.scale(['red', 'blue', 'green']).mode('hsl');
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var getColor = function(id){
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if (!id) return "#000000";
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if (!colorKeys[id]) {
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var keys = Object.keys(colorKeys);
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keys.push(id);
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keys.sort(function(a, b) {
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var pa = parseFloat(a);
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var pb = parseFloat(b);
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if (isNaN(pa) || isNaN(pb)) return a.localeCompare(b);
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return pa - pb;
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});
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var colors = colorScale.colors(keys.length);
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colorKeys = {};
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keys.forEach(function(key, index) {
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colorKeys[key] = colors[index];
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});
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reColor();
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updateLegend();
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}
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return colorKeys[id];
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}
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// when the color palette changes, update all grid squares with new color
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var reColor = function() {
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$.each(rectangles, function(_, r) {
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var color = getColor(colorAccessor(r));
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r.setOptions({
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strokeColor: color,
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fillColor: color
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});
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});
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}
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var colorMode = 'byband';
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var colorAccessor = function(r) {
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switch (colorMode) {
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case 'byband':
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return r.band;
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case 'bymode':
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return r.mode;
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}
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};
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$(function(){
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$('#openwebrx-map-colormode').on('change', function(){
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colorMode = $(this).val();
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colorKeys = {};
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filterRectangles(allRectangles);
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reColor();
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updateLegend();
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});
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});
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var updateLegend = function() {
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var lis = $.map(colorKeys, function(value, key) {
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// fake rectangle to test if the filter would match
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var fakeRectangle = Object.fromEntries([[colorMode.slice(2), key]]);
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var disabled = rectangleFilter(fakeRectangle) ? '' : ' disabled';
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return '<li class="square' + disabled + '" data-selector="' + key + '"><span class="illustration" style="background-color:' + chroma(value).alpha(fillOpacity) + ';border-color:' + chroma(value).alpha(strokeOpacity) + ';"></span>' + key + '</li>';
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});
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$(".openwebrx-map-legend .content").html('<ul>' + lis.join('') + '</ul>');
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}
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var processUpdates = function(updates) {
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if (typeof(AprsMarker) == 'undefined') {
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updateQueue = updateQueue.concat(updates);
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return;
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}
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updates.forEach(function(update){
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switch (update.location.type) {
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case 'latlon':
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var pos = new google.maps.LatLng(update.location.lat, update.location.lon);
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var marker;
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var markerClass = google.maps.Marker;
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var aprsOptions = {}
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if (update.location.symbol) {
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markerClass = AprsMarker;
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aprsOptions.symbol = update.location.symbol;
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aprsOptions.course = update.location.course;
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aprsOptions.speed = update.location.speed;
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}
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if (markers[update.callsign]) {
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marker = markers[update.callsign];
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} else {
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marker = new markerClass();
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marker.addListener('click', function(){
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showMarkerInfoWindow(update.callsign, pos);
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});
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markers[update.callsign] = marker;
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}
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marker.setOptions($.extend({
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position: pos,
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map: map,
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title: update.callsign
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}, aprsOptions, getMarkerOpacityOptions(update.lastseen) ));
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marker.lastseen = update.lastseen;
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marker.mode = update.mode;
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marker.band = update.band;
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marker.comment = update.location.comment;
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if (expectedCallsign && expectedCallsign == update.callsign) {
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map.panTo(pos);
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showMarkerInfoWindow(update.callsign, pos);
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expectedCallsign = false;
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}
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if (infowindow && infowindow.callsign && infowindow.callsign == update.callsign) {
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showMarkerInfoWindow(infowindow.callsign, pos);
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}
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break;
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case 'locator':
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var loc = update.location.locator;
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var lat = (loc.charCodeAt(1) - 65 - 9) * 10 + Number(loc[3]);
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var lon = (loc.charCodeAt(0) - 65 - 9) * 20 + Number(loc[2]) * 2;
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var center = new google.maps.LatLng({lat: lat + .5, lng: lon + 1});
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var rectangle;
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// the accessor is designed to work on the rectangle... but it should work on the update object, too
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var color = getColor(colorAccessor(update));
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if (rectangles[update.callsign]) {
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rectangle = rectangles[update.callsign];
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} else {
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rectangle = new google.maps.Rectangle();
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rectangle.addListener('click', function(){
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showLocatorInfoWindow(this.locator, this.center);
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});
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rectangles[update.callsign] = rectangle;
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}
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rectangle.lastseen = update.lastseen;
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rectangle.locator = update.location.locator;
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rectangle.mode = update.mode;
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rectangle.band = update.band;
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rectangle.center = center;
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rectangle.setOptions($.extend({
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strokeColor: color,
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strokeWeight: 2,
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fillColor: color,
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map: rectangleFilter(rectangle) ? map : undefined,
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bounds:{
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north: lat,
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south: lat + 1,
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west: lon,
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east: lon + 2
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}
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}, getRectangleOpacityOptions(update.lastseen) ));
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if (expectedLocator && expectedLocator == update.location.locator) {
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map.panTo(center);
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showLocatorInfoWindow(expectedLocator, center);
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expectedLocator = false;
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}
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if (infowindow && infowindow.locator && infowindow.locator == update.location.locator) {
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showLocatorInfoWindow(infowindow.locator, center);
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}
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break;
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}
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});
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};
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var clearMap = function(){
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var reset = function(callsign, item) { item.setMap(); };
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$.each(markers, reset);
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$.each(rectangles, reset);
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receiverMarker.setMap();
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markers = {};
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rectangles = {};
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};
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var reconnect_timeout = false;
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var config = {}
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var connect = function(){
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var ws = new WebSocket(ws_url);
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ws.onopen = function(){
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ws.send("SERVER DE CLIENT client=map.js type=map");
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reconnect_timeout = false
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};
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ws.onmessage = function(e){
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if (typeof e.data != 'string') {
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console.error("unsupported binary data on websocket; ignoring");
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return
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}
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if (e.data.substr(0, 16) == "CLIENT DE SERVER") {
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return
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}
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try {
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var json = JSON.parse(e.data);
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switch (json.type) {
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case "config":
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Object.assign(config, json.value);
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if ('receiver_gps' in config) {
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var receiverPos = {
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lat: config.receiver_gps.lat,
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lng: config.receiver_gps.lon
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};
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if (!map) $.getScript("https://maps.googleapis.com/maps/api/js?key=" + config.google_maps_api_key).done(function(){
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map = new google.maps.Map($('.openwebrx-map')[0], {
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center: receiverPos,
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zoom: 5,
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});
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$.getScript("static/lib/nite-overlay.js").done(function(){
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nite.init(map);
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setInterval(function() { nite.refresh() }, 10000); // every 10s
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});
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$.getScript('static/lib/AprsMarker.js').done(function(){
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processUpdates(updateQueue);
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updateQueue = [];
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});
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var $legend = $(".openwebrx-map-legend");
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setupLegendFilters($legend);
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map.controls[google.maps.ControlPosition.LEFT_BOTTOM].push($legend[0]);
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if (!receiverMarker) {
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receiverMarker = new google.maps.Marker();
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receiverMarker.addListener('click', function() {
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showReceiverInfoWindow(receiverMarker);
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});
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}
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receiverMarker.setOptions({
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map: map,
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position: receiverPos,
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title: config['receiver_name'],
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config: config
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});
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}); else {
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receiverMarker.setOptions({
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map: map,
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position: receiverPos,
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config: config
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});
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}
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}
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if ('receiver_name' in config && receiverMarker) {
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receiverMarker.setOptions({
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title: config['receiver_name']
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});
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}
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if ('map_position_retention_time' in config) {
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retention_time = config.map_position_retention_time * 1000;
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}
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if ('callsign_url' in config) {
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callsign_url = config['callsign_url'];
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}
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break;
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case "update":
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processUpdates(json.value);
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break;
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case 'receiver_details':
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$('.webrx-top-container').header().setDetails(json['value']);
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break;
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default:
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console.warn('received message of unknown type: ' + json['type']);
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}
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} catch (e) {
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// don't lose exception
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console.error(e);
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}
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};
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ws.onclose = function(){
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clearMap();
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if (reconnect_timeout) {
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// max value: roundabout 8 and a half minutes
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reconnect_timeout = Math.min(reconnect_timeout * 2, 512000);
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} else {
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// initial value: 1s
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reconnect_timeout = 1000;
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}
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setTimeout(connect, reconnect_timeout);
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};
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window.onbeforeunload = function() { //http://stackoverflow.com/questions/4812686/closing-websocket-correctly-html5-javascript
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ws.onclose = function () {};
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ws.close();
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};
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/*
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ws.onerror = function(){
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console.info("websocket error");
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};
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*/
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};
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connect();
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var getInfoWindow = function() {
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if (!infowindow) {
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infowindow = new google.maps.InfoWindow();
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google.maps.event.addListener(infowindow, 'closeclick', function() {
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delete infowindow.locator;
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delete infowindow.callsign;
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});
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}
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delete infowindow.locator;
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delete infowindow.callsign;
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return infowindow;
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}
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var linkifyCallsign = function(callsign) {
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if ((callsign_url == null) || (callsign_url == ''))
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return callsign;
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else
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return '<a target="callsign_info" href="' +
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callsign_url.replaceAll('{}', callsign) +
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'">' + callsign + '</a>';
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};
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var infowindow;
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var showLocatorInfoWindow = function(locator, pos) {
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var infowindow = getInfoWindow();
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infowindow.locator = locator;
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var inLocator = $.map(rectangles, function(r, callsign) {
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return {callsign: callsign, locator: r.locator, lastseen: r.lastseen, mode: r.mode, band: r.band}
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}).filter(rectangleFilter).filter(function(d) {
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return d.locator == locator;
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}).sort(function(a, b){
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return b.lastseen - a.lastseen;
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});
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infowindow.setContent(
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'<h3>Locator: ' + locator + '</h3>' +
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'<div>Active Callsigns:</div>' +
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'<ul>' +
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inLocator.map(function(i){
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var timestring = moment(i.lastseen).fromNow();
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var message = linkifyCallsign(i.callsign) + ' (' + timestring + ' using ' + i.mode;
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if (i.band) message += ' on ' + i.band;
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message += ')';
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return '<li>' + message + '</li>'
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}).join("") +
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'</ul>'
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);
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infowindow.setPosition(pos);
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infowindow.open(map);
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};
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var showMarkerInfoWindow = function(callsign, pos) {
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var infowindow = getInfoWindow();
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infowindow.callsign = callsign;
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var marker = markers[callsign];
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var timestring = moment(marker.lastseen).fromNow();
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var commentString = "";
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if (marker.comment) {
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commentString = '<div>' + marker.comment + '</div>';
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}
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infowindow.setContent(
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'<h3>' + linkifyCallsign(callsign) + '</h3>' +
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'<div>' + timestring + ' using ' + marker.mode + ( marker.band ? ' on ' + marker.band : '' ) + '</div>' +
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commentString
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);
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infowindow.open(map, marker);
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}
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var showReceiverInfoWindow = function(marker) {
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var infowindow = getInfoWindow()
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infowindow.setContent(
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'<h3>' + marker.config['receiver_name'] + '</h3>' +
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'<div>Receiver location</div>'
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);
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infowindow.open(map, marker);
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}
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var getScale = function(lastseen) {
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var age = new Date().getTime() - lastseen;
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var scale = 1;
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if (age >= retention_time / 2) {
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scale = (retention_time - age) / (retention_time / 2);
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}
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return Math.max(0, Math.min(1, scale));
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};
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var getRectangleOpacityOptions = function(lastseen) {
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var scale = getScale(lastseen);
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return {
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strokeOpacity: strokeOpacity * scale,
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fillOpacity: fillOpacity * scale
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};
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};
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var getMarkerOpacityOptions = function(lastseen) {
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var scale = getScale(lastseen);
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return {
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opacity: scale
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};
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};
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// fade out / remove positions after time
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setInterval(function(){
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var now = new Date().getTime();
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$.each(rectangles, function(callsign, m) {
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var age = now - m.lastseen;
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if (age > retention_time) {
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delete rectangles[callsign];
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m.setMap();
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return;
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}
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m.setOptions(getRectangleOpacityOptions(m.lastseen));
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});
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$.each(markers, function(callsign, m) {
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var age = now - m.lastseen;
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if (age > retention_time) {
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delete markers[callsign];
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m.setMap();
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return;
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}
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m.setOptions(getMarkerOpacityOptions(m.lastseen));
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});
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}, 1000);
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var rectangleFilter = allRectangles = function() { return true; };
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var filterRectangles = function(filter) {
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rectangleFilter = filter;
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$.each(rectangles, function(_, r) {
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r.setMap(rectangleFilter(r) ? map : undefined);
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});
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};
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var setupLegendFilters = function($legend) {
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$content = $legend.find('.content');
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$content.on('click', 'li', function() {
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var $el = $(this);
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$lis = $content.find('li');
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if ($lis.hasClass('disabled') && !$el.hasClass('disabled')) {
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$lis.removeClass('disabled');
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filterRectangles(allRectangles);
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} else {
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$el.removeClass('disabled');
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$lis.filter(function() {
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return this != $el[0]
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}).addClass('disabled');
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var key = colorMode.slice(2);
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var selector = $el.data('selector');
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filterRectangles(function(r) {
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return r[key] === selector;
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});
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}
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});
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}
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});
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