'use strict'; var TravelnetIcon = L.icon({ iconUrl: 'pics/travelnet_inv.png', iconSize: [64, 64], iconAnchor: [32, 32], popupAnchor: [0, -32] }); var TravelnetOverlay = L.LayerGroup.extend({ initialize: function(wsChannel, layerMgr) { this.layerMgr = layerMgr; this.wsChannel = wsChannel; this.onLayerChange = this.onLayerChange.bind(this); }, onLayerChange: function(layer){ //TODO }, onAdd: function(map) { this.layerMgr.addListener(this.onLayerChange); console.log("TravelnetOverlay.onAdd", map); api.getMapObjects(-10,-10,-10,10,10,10,"travelnet") .then(function(list){ console.log(list); }) }, onRemove: function(map) { this.layerMgr.removeListener(this.onLayerChange); console.log("TravelnetOverlay.onRemove"); } });