<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8" />
<title></title>
<link rel="stylesheet" href="styles.css" />
<!--[if lt IE 9]>
<script src="//html5shiv.googlecode.com/svn/trunk/html5.js"></script>
<![endif]-->
<script type="text/javascript" src="http://maps.google.com/maps/api/js?sensor=false"></script>
</head>
<body>
<div id="canvas"></div>
<br />
<label for="latitude">Latitude:</label>
<input id="latitude" type="text" value="" />
<label for="longitude">Longitude:</label>
<input id="longitude" type="text" value="" />
<script type="text/javascript" src="gmap.js"></script>
</body>
</html>
gmap.js
// configuration
var myZoom = 12;
var myMarkerIsDraggable = true;
var myCoordsLenght = 6;
var defaultLat = 37.973787;
var defaultLng = 23.722426;
// creates the map
// zooms
// centers the map
// sets the map's type
var map = new google.maps.Map(document.getElementById('canvas'), {
zoom: myZoom,
center: new google.maps.LatLng(defaultLat, defaultLng),
mapTypeId: google.maps.MapTypeId.ROADMAP
});
// creates a draggable marker to the given coords
var myMarker = new google.maps.Marker({
position: new google.maps.LatLng(defaultLat, defaultLng),
draggable: myMarkerIsDraggable
});
// adds a listener to the marker
// gets the coords when drag event ends
// then updates the input with the new coords
google.maps.event.addListener(myMarker, 'dragend', function(evt){
document.getElementById('latitude').value = evt.latLng.lat().toFixed(myCoordsLenght);
document.getElementById('longitude').value = evt.latLng.lng().toFixed(myCoordsLenght);
});
// centers the map on markers coords
map.setCenter(myMarker.position);
// adds the marker on the map
myMarker.setMap(map);
styles.css
#canvas {
width: 600px;
height: 400px;
}
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