View this example full screen.
var map;
var chicago = new google.maps.LatLng(41.85, -87.65);
/**
* The CenterControl adds a control to the map that recenters the map on Chicago.
* This constructor takes the control DIV as an argument.
* @constructor
*/
function CenterControl(controlDiv, map) {
// Set CSS for the control border
var controlUI = document.createElement('div');
controlUI.style.backgroundColor = '#fff';
controlUI.style.border = '2px solid #fff';
controlUI.style.borderRadius = '3px';
controlUI.style.boxShadow = '0 2px 6px rgba(0,0,0,.3)';
controlUI.style.cursor = 'pointer';
controlUI.style.marginBottom = '22px';
controlUI.style.textAlign = 'center';
controlUI.title = 'Click to recenter the map';
controlDiv.appendChild(controlUI);
// Set CSS for the control interior
var controlText = document.createElement('div');
controlText.style.color = 'rgb(25,25,25)';
controlText.style.fontFamily = 'Roboto,Arial,sans-serif';
controlText.style.fontSize = '16px';
controlText.style.lineHeight = '38px';
controlText.style.paddingLeft = '5px';
controlText.style.paddingRight = '5px';
controlText.innerHTML = 'Center Map';
controlUI.appendChild(controlText);
// Setup the click event listeners: simply set the map to
// Chicago
google.maps.event.addDomListener(controlUI, 'click', function() {
map.setCenter(chicago)
});
}
function initialize() {
var mapDiv = document.getElementById('map-canvas');
var mapOptions = {
zoom: 12,
center: chicago
}
map = new google.maps.Map(mapDiv, mapOptions);
// Create the DIV to hold the control and
// call the CenterControl() constructor passing
// in this DIV.
var centerControlDiv = document.createElement('div');
var centerControl = new CenterControl(centerControlDiv, map);
centerControlDiv.index = 1;
map.controls[google.maps.ControlPosition.BOTTOM_LEFT].push(centerControlDiv);
}
google.maps.event.addDomListener(window, 'load', initialize);
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="initial-scale=1.0, user-scalable=no">
<meta charset="utf-8">
<title>Custom controls</title>
<style>
html, body, #map-canvas {
height: 100%;
margin: 0px;
padding: 0px
}
</style>
<script src="https://maps.googleapis.com/maps/api/js?v=3.exp&signed_in=true"></script>
<script>
var map;
var chicago = new google.maps.LatLng(41.85, -87.65);
/**
* The CenterControl adds a control to the map that recenters the map on Chicago.
* This constructor takes the control DIV as an argument.
* @constructor
*/
function CenterControl(controlDiv, map) {
// Set CSS for the control border
var controlUI = document.createElement('div');
controlUI.style.backgroundColor = '#fff';
controlUI.style.border = '2px solid #fff';
controlUI.style.borderRadius = '3px';
controlUI.style.boxShadow = '0 2px 6px rgba(0,0,0,.3)';
controlUI.style.cursor = 'pointer';
controlUI.style.marginBottom = '22px';
controlUI.style.textAlign = 'center';
controlUI.title = 'Click to recenter the map';
controlDiv.appendChild(controlUI);
// Set CSS for the control interior
var controlText = document.createElement('div');
controlText.style.color = 'rgb(25,25,25)';
controlText.style.fontFamily = 'Roboto,Arial,sans-serif';
controlText.style.fontSize = '16px';
controlText.style.lineHeight = '38px';
controlText.style.paddingLeft = '5px';
controlText.style.paddingRight = '5px';
controlText.innerHTML = 'Center Map';
controlUI.appendChild(controlText);
// Setup the click event listeners: simply set the map to
// Chicago
google.maps.event.addDomListener(controlUI, 'click', function() {
map.setCenter(chicago)
});
}
function initialize() {
var mapDiv = document.getElementById('map-canvas');
var mapOptions = {
zoom: 12,
center: chicago
}
map = new google.maps.Map(mapDiv, mapOptions);
// Create the DIV to hold the control and
// call the CenterControl() constructor passing
// in this DIV.
var centerControlDiv = document.createElement('div');
var centerControl = new CenterControl(centerControlDiv, map);
centerControlDiv.index = 1;
map.controls[google.maps.ControlPosition.BOTTOM_LEFT].push(centerControlDiv);
}
google.maps.event.addDomListener(window, 'load', initialize);
</script>
</head>
<body>
<div id="map-canvas"></div>
</body>
</html>