misp-dashboard/static/js/index/index_map.js

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JavaScript
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const MAXNUMCOORD = 100;
const PINGWAITTIME = 1000*1; //1s
const MAXIMGROTATION = parseInt(max_img_rotation);
const OSMURL='http://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png';
const OSMATTRIB='Map data © <a href="http://openstreetmap.org">OpenStreetMap</a> contributors';
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var ROTATIONWAITTIME = 1000*rotation_wait_time; //seconds
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var ZOOMLEVEL = zoomlevel;
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var regionhits = {};
var regionhitsMax = 10;
var myOpenStreetMap = L.map('feedDivMap1').setView([0, 0], 1);
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var osm = new L.TileLayer(OSMURL, {minZoom: 0, maxZoom: 18}).addTo(myOpenStreetMap);
class MapEvent {
constructor(json, marker) {
this.coord = json.coord;
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this.regionCode = json.regionCode;
this.marker = marker;
this.categ = json.categ;
this.value = json.value;
this.country = json.country;
this.specifName = json.specifName;
this.cityName = json.cityName;
this.text = this.categ + ": " + this.value;
this.textMarker = "<b>{1}</b><br>{2}".replace("{1}", this.country).replace("{2}", this.specifName+", "+this.cityName);
}
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}
class MapEventManager {
constructor() {
this._mapEventArray = [];
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this._currentMapEvent;
this._nextEventToShow = 0;
this._first_map = true;
this._coordSet = new Set();
//current lat and lon shown in worldMap
this._latToPing;
this._lonToPing;
//Markers on the worldMap
this._allMarkers = [];
this._curMarkerNum = 0;
//use for cancelTimeout
this._timeoutRotate;
}
addMapEvent(mapevent) {
if(this.getNumberOfEvent() > MAXIMGROTATION) {
var toDel = this._mapEventArray[0];
toDel.marker.remove(); // remove marker
this._coordSet.delete(toDel.text);
this._mapEventArray = this._mapEventArray.slice(1);
}
if(!this._coordSet.has(mapevent.text)) { // avoid duplicate map
this._mapEventArray.push(mapevent);
this._coordSet.add(mapevent.text);
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this.popupCoord(mapevent.coord, mapevent.regionCode);
} else {
//console.log('Duplicate coordinates');
}
if(this._first_map) { // remove no_map pic
this.rotateMap();
this.ping();
this._first_map = false;
} else {
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this.rotateMap(mapevent);
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}
}
getNumberOfEvent() {
return this._mapEventArray.length
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}
getNextEventToShow() {
var toShow = this._mapEventArray[this._nextEventToShow];
this._nextEventToShow = this._nextEventToShow == this._mapEventArray.length-1 ? 0 : this._nextEventToShow+1;
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this._currentMapEvent = toShow;
return toShow;
}
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getCurrentMapEvent() {
return this._currentMapEvent;
}
// Perform the roration of the map in the openStreetMap pannel
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rotateMap(mapEvent) {
clearTimeout(this._timeoutRotate); //cancel current map rotation
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if (mapEvent == undefined) {
var mapEvent = this.getNextEventToShow();
}
this._latToPing = mapEvent.coord.lat;
this._lonToPing = mapEvent.coord.lon;
var marker = mapEvent.marker;
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myOpenStreetMap.flyTo([mapEvent.coord.lat, mapEvent.coord.lon], ZOOMLEVEL);
mapEvent.marker.bindPopup(mapEvent.textMarker).openPopup();
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$("#textMap1").text(mapEvent.text);
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if(ROTATIONWAITTIME != 0) {
this._timeoutRotate = setTimeout(function(){ mapEventManager.rotateMap(); }, ROTATIONWAITTIME);
}
}
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directZoom() {
var mapEvent = this.getCurrentMapEvent();
if (mapEvent != undefined)
myOpenStreetMap.flyTo([mapEvent.coord.lat, mapEvent.coord.lon], ZOOMLEVEL);
}
ping() {
var pnts = openStreetMapObj.latLngToPoint(this._latToPing, this._lonToPing);
if (pnts != false) { //sometimes latLngToPoint return false
$("#feedDiv2").append(
$('<div class="marker_animation"></div>')
.css({'left': pnts.x-15 + 'px'}) /* HACK to center the effect */
.css({'top': pnts.y-15 + 'px'})
.css({ 'background-color': 'orange' })
.animate({ opacity: 0, scale: 1, height: '80px', width:'80px', margin: '-25px' }, 400, 'linear', function(){$(this).remove(); })
);
}
setTimeout(function(){ mapEventManager.ping(); }, PINGWAITTIME);
}
// Add and Manage markers on the map + make Animation
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popupCoord(coord, regionCode) {
var coord = [coord.lat, coord.lon];
var color = 0.5*180;
var pnts = openStreetMapObj.latLngToPoint(coord[0], coord[1])
if (pnts != false) { //sometimes latLngToPoint return false
var addedMarker = openStreetMapObj.addMarker(this._curMarkerNum, coord, [color]);
this._allMarkers.push(this._curMarkerNum)
marker_animation(pnts.x, pnts.y, this._curMarkerNum);
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update_region(regionCode);
this._curMarkerNum = this._curMarkerNum >= MAXNUMCOORD ? 0 : this._curMarkerNum+1;
if (this._allMarkers.length >= MAXNUMCOORD) {
var to_remove = this._allMarkers[0];
openStreetMapObj.removeMarkers([to_remove]);
this._allMarkers = this._allMarkers.slice(1);
}
}
}
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}
function marker_animation(x, y, markerNum) {
var markerColor = openStreetMapObj.markers[markerNum].element.config.style.current.fill;
$("#feedDiv2").append(
$('<div class="marker_animation"></div>')
.css({'left': x-15 + 'px'}) /* HACK to center the effect */
.css({'top': y-15 + 'px'})
.css({ 'background-color': markerColor })
.animate({ opacity: 0, scale: 1, height: '80px', width:'80px', margin: '-25px' }, 700, 'linear', function(){$(this).remove(); })
);
}
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function update_region(regionCode) {
if (regionCode in regionhits) {
regionhits[regionCode] += 1;
} else {
regionhits[regionCode] = 1;
}
// Force recomputation of min and max for correct color scaling
regionhitsMax = regionhitsMax >= regionhits[regionCode] ? regionhitsMax : regionhits[regionCode];
openStreetMapObj.series.regions[0].params.max = regionhitsMax;
// Update data
openStreetMapObj.series.regions[0].setValues(regionhits);
}
var mapEventManager = new MapEventManager();
var openStreetMapObj;
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$(function(){
$('#feedDiv2').vectorMap({
map: 'world_mill',
markers: [],
series: {
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markers: [{
attribute: 'fill',
//scale: ['#1A0DAB', '#e50000', '#62ff41'],
scale: ['#ffff66'],
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values: [],
min: 0,
max: 180
}],
regions: [{
values: [],
min: 0,
max: 10,
scale: ['#003FBF','#0063BF','#0087BF','#00ACBF','#00BFAD','#00BF89','#00BF64','#00BF40','#00BF1C','#08BF00','#2CBF00','#51BF00','#75BF00','#99BF00','#BEBF00','#BF9B00','#BF7700','#BF5200','#BF2E00','#BF0900'],
normalizeFunction: 'linear',
legend: {
horizontal: true
}
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}]
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},
});
openStreetMapObj = $("#feedDiv2").vectorMap('get','mapObject');
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});
// Subscribe to the flask eventStream
var source_map;
function connect_source_map() {
source_map = new EventSource(urlForMaps);
source_map.onmessage = function(event) {
var json = jQuery.parseJSON( event.data );
var marker = L.marker([json.coord.lat, json.coord.lon]).addTo(myOpenStreetMap);
var mapEvent = new MapEvent(json, marker);
mapEventManager.addMapEvent(mapEvent);
};
source_map.onopen = function(){
console.log('connection is opened. '+source_map.readyState);
};
source_map.onerror = function(){
console.log('error: '+source_map.readyState);
setTimeout(function() { connect_source_map(); }, 5000);
};
}
connect_source_map()
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$(document).ready(function () {
$( "#rotation_wait_time_selector" ).change(function() {
var sel = parseInt($( this ).val());
if(isNaN(sel)) {
rotation_wait_time = 0;
} else {
rotation_wait_time = sel;
}
var old = ROTATIONWAITTIME;
ROTATIONWAITTIME = 1000*rotation_wait_time; //seconds
if(old == 0) {
mapEventManager._timeoutRotate = setTimeout(function(){ mapEventManager.rotateMap(); }, ROTATIONWAITTIME);
}
});
$( "#zoom_selector" ).change(function() {
var sel = parseInt($( this ).val());
ZOOMLEVEL = sel;
mapEventManager.directZoom();
});
});