marker-clustering-dragging.html
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<!DOCTYPE html>
<html>
<head>
<title>Leaflet debug page</title>
<link rel="stylesheet" href="https://unpkg.com/leaflet@1.0.3/dist/leaflet.css" integrity="sha512-07I2e+7D8p6he1SIM+1twR5TIrhUQn9+I6yjqD53JQjFiMf8EtC93ty0/5vJTZGF8aAocvHYNEDJajGdNx1IsQ==" crossorigin="" />
<script src="https://unpkg.com/leaflet@1.0.3/dist/leaflet-src.js" integrity="sha512-WXoSHqw/t26DszhdMhOXOkI7qCiv5QWXhH9R7CgvgZMHz1ImlkVQ3uNsiQKu5wwbbxtPzFXd1hK4tzno2VqhpA==" crossorigin=""></script>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link rel="stylesheet" href="screen.css" />
<link rel="stylesheet" href="../dist/MarkerCluster.css" />
<link rel="stylesheet" href="../dist/MarkerCluster.Default.css" />
<script src="../dist/leaflet.markercluster-src.js"></script>
</head>
<body>
<div id="map"></div>
<button id="moveone">Move a random marker</button>
<script type="text/javascript">
var tiles = L.tileLayer('https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', {
maxZoom: 18,
attribution: '© <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors'
}),
latlng = new L.LatLng(50.5, 30.51);
var map = new L.Map('map', {center: latlng, zoom: 15, layers: [tiles]});
var markers = new L.MarkerClusterGroup();
var markersList = [];
function populate() {
for (var i = 0; i < 100; i++) {
var m = new L.Marker(getRandomLatLng(map), { draggable: true });
markersList.push(m);
markers.addLayer(m);
}
return false;
}
function populateRandomVector() {
for (var i = 0, latlngs = [], len = 20; i < len; i++) {
latlngs.push(getRandomLatLng(map));
}
var path = new L.Polyline(latlngs);
map.addLayer(path);
}
function getRandomLatLng(map) {
var bounds = map.getBounds(),
southWest = bounds.getSouthWest(),
northEast = bounds.getNorthEast(),
lngSpan = northEast.lng - southWest.lng,
latSpan = northEast.lat - southWest.lat;
return new L.LatLng(
southWest.lat + latSpan * Math.random(),
southWest.lng + lngSpan * Math.random());
}
markers.on('clusterclick', function (a) {
alert('cluster ' + a.layer.getAllChildMarkers().length);
});
markers.on('click', function (a) {
alert('marker ' + a.layer);
});
populate();
map.addLayer(markers);
L.DomUtil.get('moveone').onclick = function () {
var m = markersList[Math.floor(Math.random() * markersList.length)];
var bounds = map.getBounds(),
southWest = bounds.getSouthWest(),
northEast = bounds.getNorthEast(),
lngSpan = northEast.lng - southWest.lng,
latSpan = northEast.lat - southWest.lat;
m.setLatLng(new L.LatLng(
southWest.lat + latSpan * 0.5,
southWest.lng + lngSpan * 0.5));
};
</script>
</body>
</html>