mapembed.ejs
<script src="https://maps.googleapis.com/maps/api/js?key=<%= google_maps_api_key %>&callback=initialise"></script>
<script type="text/javascript">
function initialise() {
myLatlng = new google.maps.LatLng(54.559323, -3.321304);
mapOptions = {
zoom: 1,
center: myLatlng,
mapTypeId: google.maps.MapTypeId.ROADMAP,
}
geocoder = new google.maps.Geocoder();
infoWindow = new google.maps.InfoWindow;
map = new google.maps.Map(document.getElementById('map-canvas'), mapOptions);
xmlUrl = "<%= url %>";
loadMarkers();
}
function downloadUrl(url, callback) {
var request = window.ActiveXObject ?
new ActiveXObject('Microsoft.XMLHTTP') :
new XMLHttpRequest;
request.onreadystatechange = function() {
if (request.readyState == 4) {
//request.onreadystatechange = doNothing;
callback(request, request.status);
}
};
request.open('GET', url, true);
request.send(null);
}
function bindInfoWindow(marker, map, infoWindow, html) {
google.maps.event.addListener(marker, 'click', function() {
infoWindow.setContent(html);
infoWindow.open(map, marker);
});
}
function loadMarkers() {
map.markers = map.markers || []
downloadUrl(xmlUrl, function(data) {
var xml = data.responseXML;
markers = xml.documentElement.getElementsByTagName("location");
for (var i = 0; i < markers.length; i++) {
var title = markers[i].getAttribute("title");
var url = markers[i].getAttribute("url");
var lastmod = new Date(markers[i].getAttribute("lastmod"));
var point = new google.maps.LatLng(
parseFloat(markers[i].getAttribute("lat")),
parseFloat(markers[i].getAttribute("lng")));
var html = "<div class='infowindow'><b>" + title + "</b> <br/><a href='" + url + "'>" + url + "</a><br/> " + lastmod + " <br/></div>";
var marker = new google.maps.Marker({
map: map,
position: point,
title: title
});
map.markers.push(marker);
bindInfoWindow(marker, map, infoWindow, html);
}
centreMap();
});
}
function centreMap() {
var latLngBounds = new google.maps.LatLngBounds();
for (var i = 0; i < map.markers.length; i++) {
var currentMarker = map.markers[i];
var latLngPoint = new google.maps.LatLng(currentMarker.position.lat(), currentMarker.position.lng());
latLngBounds.extend(latLngPoint);
}
map.setCenter(latLngBounds.getCenter());
map.fitBounds(latLngBounds);
}
google.maps.event.addDomListener(window, 'load', initialise);
</script>
<div id="map-canvas" style="height: 500px; width: 90%;"></div>