<!DOCTYPE html>
<html>
<head>
<meta charset=utf-8 />
<title>Display latitude longitude on marker movement</title>
<script src="https://cdnjs.cloudflare.com/ajax/libs/leaflet/0.7.3/leaflet.js"></script>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/leaflet/0.7.3/leaflet.css" />
<style>
body { margin:0; padding:0; }
#map {width: 100%;height: 280px;}
</style>
</head>
<body>
<div id='map'></div>
<?php
if ($_REQUEST[lat] !='') {$lat=$_REQUEST[lat];}else {$lat= "-72";}
if ($_REQUEST[lon] !='') {$lon=$_REQUEST[lon];}else {$lon= "4";}
if ($_REQUEST[zoom] !='') {$zoom=$_REQUEST[zoom];}else {$zoom= "5";}
?>
<script>
var map = L.map('map')
.setView([<?php echo $lon ?>, <?php echo $lat ?>], <?php echo $zoom ?>);
L.tileLayer('https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png').addTo(map);
<?php
if(!isset($_REQUEST['exif'])) { ?>
function onLocationFound(e) {
var radius = e.accuracy / 2;
var marker = L.marker(e.latlng,{draggable: true}).addTo(map)
L.circle(e.latlng, radius).addTo(map);
var mapa = window.parent.document.getElementById('<?php echo $_REQUEST[id]?>');
marker.on('dragend', ondragend);
ondragend();
function ondragend() {
var m = marker.getLatLng();
var z = map.getZoom();
mapa.value= m.lng+' '+m.lat+' '+z;
}
}
map.on('locationfound', onLocationFound);
<?php } ?>
function onLocationError(e) {
//alert(e.message);
var marker = L.marker([<?php echo $lon ?>,<?php echo $lat ?>],{draggable: true}).addTo(map);
var mapa = window.parent.document.getElementById('<?php echo $_REQUEST[id]?>');
marker.on('dragend', ondragend);
ondragend();
function ondragend() {
var m = marker.getLatLng();
var z = map.getZoom();
mapa.value= m.lng+' '+m.lat+' '+z;
}
}
map.on('locationerror', onLocationError);
map.locate({setView: true, maxZoom: 16});
//var lat = window.parent.document.getElementById('lat');
//var lng = window.parent.document.getElementById('lon');
//var mapa = window.parent.document.getElementById('<?php echo $_REQUEST[id]?>');
//var marker = L.marker([<?php echo $lon ?>,<?php echo $lat ?>],{draggable: true}).addTo(map);
// every time the marker is dragged, update the coordinates container
//marker.on('dragend', ondragend);
// Set the initial marker coordinate on load.
//ondragend();
/*
function ondragend() {
var m = marker.getLatLng();
var z = map.getZoom();
// lat.value= m.lat;
// lng.value= m.lng;
mapa.value= m.lng+' '+m.lat+' '+z;
}*/
</script>
</body>
</html>