https://www.go-thassos.gr/sites/all/modules/gmap/js/gmap_marker.js

1/**
2 * @file
3 * GMap Markers
4 * GMap API version -- No manager
5 */
6
7/*global Drupal, GMarker */
8
9// Replace to override marker creation
10Drupal.gmap.factory.marker = function (opts) {
11  return new google.maps.Marker(opts);
12};
13
14Drupal.gmap.addHandler('gmap', function (elem) {
15  var obj = this;
16
17  obj.bind('addmarker', function (marker) {
18	if ( !obj.map.markers ) obj.map.markers = new Array();
19    marker.marker.setMap(obj.map);
20	obj.map.markers.push( marker.marker );
21  });
22
23  obj.bind('delmarker', function (marker) {
24    marker.marker.setMap(null);
25  });
26
27  obj.bind('clearmarkers', function () {
28    // @@@ Maybe don't nuke ALL overlays?
29	if ( obj.map.markers ) {
30		for(var i=0; i < obj.map.markers.length; i++){
31			obj.map.markers[i].setMap(null);
32		}
33	}
34  });
35});