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does some Leaflet guru has an idea, what's the easiest way to make a CircleMarker draggable in Leaflet v1.0.3?
It's easy to do it for "standard" markers by using the "draggable"-option. But such an option doesn't exist for CircleMarker. I tried it by using several Events, but the problem is, that not the marker is being moved but the underlying map.
Another possibility could be the use of "stopPropagation"-Function (but just for DOMEvents). Or the use of "removeEventParent"... if the "parent" of the CircleMarker is the map and its events? Regarding to the Documentation there also DOMUtility/Draggable-class. Is this what I need?
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Draggable Markers</title>
<link rel="stylesheet" href="https://unpkg.com/[email protected]/dist/leaflet.css" />
<script src="https://unpkg.com/[email protected]/dist/leaflet.js"></script>
<style>
body {padding: 0; margin: 0;}
html, body, #map {height: 100%;}
</style>
</head>
<body>
<div id="map"></div>
<script>
var layerOsm = new L.TileLayer('https://{s}.api.mapbox.com/v4/mapbox.outdoors/{z}/{x}/{y}.png?access_token=pk.eyJ1IjoicHBldGUiLCJhIjoiY2lsdmE2ZmQ2MDA4OHZxbTZpcmx1emtqbSJ9.Two7SPSaIZysqgOTrrLkRg', {
subdomains: 'ab', maxZoom: 20, noWrap:true, attribution:'<a href="http://www.mapbox.com">Mapbox</a> | <a href="http://www.openstreetmap.org/copyright/">OpenStreetMap</a>' });
var map = new L.Map('map').addLayer(layerOsm).setView(new L.LatLng(47.8, 13.0), 14);
L.marker([47.8, 13.0], {draggable:true}).addTo(map);
var circle = L.circleMarker([47.81, 13.01], {radius:30}).addTo(map);
circle.on('mousedown', function () {
map.on('mousemove', function (e) {
circle.setLatLng(e.latlng);
});
});
map.on('mouseup', function(){
map.removeEventListener('mousemove');
})
</script>
</body>
</html>
638
asked Oct 18 '25 14:10
Leaflet v1.0+ solution:
var marker = L.circleMarker([41.91847, -74.62634]).addTo(map)
// extract trackCursor as a function so this specific
// "mousemove" listener can be removed on "mouseup" versus
// all listeners if we were to use map.off("mousemove")
function trackCursor(evt) {
marker.setLatLng(evt.latlng)
}
marker.on("mousedown", function() {
map.dragging.disable()
map.on("mousemove", trackCursor)
})
map.on("mouseup", function() {
map.dragging.enable()
map.off("mousemove", trackCursor)
})
To make this behaviour more re-useable we could encapsulate it in a function (JS ES6 syntax):
function moveableMarker(map, marker) {
function trackCursor(evt) {
marker.setLatLng(evt.latlng)
}
marker.on("mousedown", () => {
map.dragging.disable()
map.on("mousemove", trackCursor)
})
marker.on("mouseup", () => {
map.dragging.enable()
map.off("mousemove", trackCursor)
})
return marker
}
You can then make a marker draggable / moveable like so:
const moveable = moveableMarker(map, marker)
These examples helped construct the above solution:
102
answered Oct 21 '25 12:10
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