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179 lines
4.1 KiB
179 lines
4.1 KiB
3 years ago
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<html>
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<head>
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<title>Google Map</title>
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<meta name="viewport" content="initial-scale=1.0">
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<meta charset="utf-8">
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<style>
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#map {
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height: 98%;
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width: 98%;
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margin: 0px;
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padding: 0px
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}
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</style>
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</head>
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<body>
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<div style="padding:10px">
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<div id="map"></div>
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</div>
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<script type="text/javascript">
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//const latLng = { lat: 48.783301, lng: 11.413787 };
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//console.log("Delete all Markers");
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// In the following example, markers appear when the user clicks on the map.
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// Each marker is labeled with a single alphabetical character.
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var marker_s;
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var marker_d;
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var coord_s;
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var coord_d;
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var diff;
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var line;
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function initMap() {
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coord_s = { lat: 48.783301, lng: 11.413787 };
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diff = 0
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const map = new google.maps.Map(document.getElementById("map"), {
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zoom: 12,
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center: coord_s,
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});
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// This event listener calls addMarker() when the map is clicked.
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google.maps.event.addListener(map, "click", (event) => {
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addMarker(event.latLng, map);
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});
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// Add a marker at the center of the map.
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addMarker(coord_s, map);
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// Add traffic layer
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const trafficLayer = new google.maps.TrafficLayer();
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trafficLayer.setMap(map);
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// This event listener calls when the Markers are moved
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google.maps.event.addListener(marker_s, 'dragend', function(event) {
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if (diff == 2) {
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coord_s = marker_s.getPosition();
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line.setMap(null);
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line = new google.maps.Polyline({
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path: [coord_s, coord_d],
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geodesic: true,
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strokeColor: '#FF0000',
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strokeOpacity: 1.0,
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strokeWeight: 2
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});
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line.setMap(map); }
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else {
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coord_s = marker_s.getPosition();
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}
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returnS();
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//console.log("S Position moved" + coord_s)
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//console.log("diff = "+ diff)
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});
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google.maps.event.addListener(marker_d, 'dragend', function(event) {
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coord_d = marker_d.getPosition();
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returnD();
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line.setMap(null);
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line = new google.maps.Polyline({
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path: [coord_s, coord_d],
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geodesic: true,
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strokeColor: '#FF0000',
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strokeOpacity: 1.0,
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strokeWeight: 2
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});
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line.setMap(map);
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//console.log("D Position moved" + coord_d)
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//console.log("diff = "+ diff)
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});
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}
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// Adds a marker to the map.
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function addMarker(location, map) {
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// Add the marker at the clicked location, and add the next-available label
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// from the array of alphabetical characters.
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if (diff == 0) { // Add start
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marker_s = new google.maps.Marker({
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position: location,
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label: "ccp",
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map: map,
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draggable: true,
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});
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coord_s = location;
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returnS();
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marker_d = new google.maps.Marker({
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position: location,
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label: "D",
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map: map,
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draggable: true,
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});
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marker_d.setMap(null);
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diff = 1;
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//console.log("Init: S New Position " + coord_s)
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//console.log("diff = "+ diff)
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}
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else if (diff == 1) { // Add destination
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coord_d = location;
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returnD();
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marker_d.setPosition(location);
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marker_d.setMap(map);
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line = new google.maps.Polyline({
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path: [coord_s, coord_d],
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geodesic: true,
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strokeColor: '#FF0000',
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strokeOpacity: 1.0,
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strokeWeight: 2
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});
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line.setMap(map);
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diff = 2;
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//console.log("D New Position " + coord_d)
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//console.log("diff = "+ diff)
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} else { // Add new start
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coord_s = location;
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returnS();
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coord_d = null;
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returnD();
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marker_d.setMap(null);
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line.setMap(null);
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marker_s.setPosition(location);
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diff = 1;
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//console.log("S New Position " + coord_s)
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//console.log("diff = "+ diff)
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}
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}
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function returnS() {
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try {
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var out = { lat: coord_s.lat(), lng: coord_s.lng() };
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} catch {
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var out = { lat: coord_s.lat, lng: coord_s.lng };
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}
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return out;
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}
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function returnD() {
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try {
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var out = { lat: coord_d.lat(), lng: coord_d.lng() };
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} catch {
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var out = { lat: null, lng: null };
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}
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return out;
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}
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</script>
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<script src="https://maps.googleapis.com/maps/api/js?key=AIzaSyClu2yvJQjVAQIqs1v6eSEXSgwUNVeDLZM&callback=initMap"
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async defer></script>
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</body>
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</html>
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