nc-gpxedit/js/L.Control.MousePosition.js

49 lines
1.5 KiB
JavaScript

L.Control.MousePosition = L.Control.extend({
options: {
position: 'bottomleft',
separator: ' : ',
emptyString: 'Unavailable',
lngFirst: false,
numDigits: 5,
lngFormatter: undefined,
latFormatter: undefined,
prefix: ""
},
onAdd: function (map) {
this._container = L.DomUtil.create('div', 'leaflet-control-mouseposition');
L.DomEvent.disableClickPropagation(this._container);
map.on('mousemove', this._onMouseMove, this);
this._container.innerHTML=this.options.emptyString;
return this._container;
},
onRemove: function (map) {
map.off('mousemove', this._onMouseMove)
},
_onMouseMove: function (e) {
var lng = this.options.lngFormatter ? this.options.lngFormatter(e.latlng.lng) : L.Util.formatNum(e.latlng.lng, this.options.numDigits);
var lat = this.options.latFormatter ? this.options.latFormatter(e.latlng.lat) : L.Util.formatNum(e.latlng.lat, this.options.numDigits);
var value = this.options.lngFirst ? lng + this.options.separator + lat : lat + this.options.separator + lng;
var prefixAndValue = this.options.prefix + ' ' + value;
this._container.innerHTML = prefixAndValue;
}
});
L.Map.mergeOptions({
positionControl: false
});
L.Map.addInitHook(function () {
if (this.options.positionControl) {
this.positionControl = new L.Control.MousePosition();
this.addControl(this.positionControl);
}
});
L.control.mousePosition = function (options) {
return new L.Control.MousePosition(options);
};