var geocoder;
var map;
var directionsDisplay;
var directionsService = new google.maps.DirectionsService();
var locations = [
['Manly Beach', -33.80010128657071, 151.28747820854187, 2],
['Bondi Beach', -33.890542, 151.274856, 4],
['Coogee Beach', -33.923036, 151.259052, 5],
['Maroubra Beach', -33.950198, 151.259302, 1],
['Cronulla Beach', -34.028249, 151.157507, 3]
];
var infowindow;
function initialize() {
directionsDisplay = new google.maps.DirectionsRenderer();
var map = new google.maps.Map(document.getElementById('map'), {
zoom: 10,
center: new google.maps.LatLng(-33.92, 151.25),
mapTypeId: google.maps.MapTypeId.ROADMAP
});
directionsDisplay.setMap(map);
var infowindow = new google.maps.InfoWindow();
var marker, i;
var request = {
travelMode: google.maps.TravelMode.DRIVING
};
for (i = 0; i < locations.length; i++) {
marker = new google.maps.Marker({
position: new google.maps.LatLng(locations[i][1], locations[i][2]),
});
google.maps.event.addListener(marker, 'click', (function(marker, i) {
return function() {
infowindow.setContent(locations[i][0]);
infowindow.open(map, marker);
}
})(marker, i));
if (i == 0)
request.origin = marker.getPosition();
else if (i == locations.length - 1)
request.destination = marker.getPosition();
else {
if (!request.waypoints)
request.waypoints = [];
request.waypoints.push({
location: marker.getPosition(),
stopover: true
});
}
}
directionsService.route(request, function(response, status) {
if (status == google.maps.DirectionsStatus.OK) {
directionsDisplay.setDirections(response);
var route = response.routes[0];
var summaryPanel = document.getElementById("directions_panel");
summaryPanel.innerHTML = "";
// For each route, display summary information.
for (var i = 0; i < route.legs.length; i++) {
var routeSegment = i + 1;
summaryPanel.innerHTML += "<b>Route Segment: " + routeSegment + "</b><br />";
summaryPanel.innerHTML += route.legs[i].start_address + " to ";
summaryPanel.innerHTML += route.legs[i].end_address + "<br />";
summaryPanel.innerHTML += route.legs[i].distance.text + "<br /><br />";
/*********** INFOWINDOW *****************/
var legs = route.legs;
var steps = legs[i].steps;
var stepPath = [];
for (j = 0; j < steps.length; j++) {
var nextSegment = steps[j].path;
for (k = 0; k < nextSegment.length; k++) {
stepPath.push(nextSegment[k]);
}
}
var center = stepPath[Math.floor(stepPath.length / 2)];
var stepIW = new google.maps.InfoWindow();
stepIW.setPosition(center);
stepIW.setContent(response.routes[0].legs[i].duration.text + "<br>" + response.routes[0].legs[i].distance.text);
stepIW.open(directionsDisplay.map);
}
computeTotalDistance(response);
} else {
alert("directions response " + status);
}
});
}
function computeTotalDistance(result) {
var totalDist = 0;
var totalTime = 0;
var myroute = result.routes[0];
for (i = 0; i < myroute.legs.length; i++) {
totalDist += myroute.legs[i].distance.value;
totalTime += myroute.legs[i].duration.value;
}
totalDist = totalDist / 1000.
document.getElementById("total").innerHTML = "total distance is: " + totalDist + " km<br>total time is: " + (totalTime / 60).toFixed(2) + " minutes";
}
google.maps.event.addDomListener(window, "load", initialize);
var legs = response.routes[0].legs;
for (i = 0; i < legs.length; i++) {
var steps = legs[i].steps;
for (j = 0; j < steps.length; j++) {
var nextSegment = steps[j].path;
var stepPolyline = new google.maps.Polyline(polylineOptions);
for (k = 0; k < nextSegment.length; k++) {
stepPolyline.getPath().push(nextSegment[k]);
}
polylines.push(stepPolyline);
stepPolyline.setMap(map);
// route click listeners, different one on each step
google.maps.event.addListener(stepPolyline, 'click', function(evt) {
infowindow.setContent("you clicked on the route<br>" + evt.latLng.toUrlValue(6));
infowindow.setPosition(evt.latLng);
infowindow.open(map);
})
}
}
html, body, #map {
height: 100%;
width: 100%;
margin: 0px;
padding: 0px
}
<script src="https://maps.googleapis.com/maps/api/js?libraries=geometry&key=AIzaSyCkUOdZ5y7hMm0yrcCQoCvLwzdM6M8s5qk"></script>
<div id="map"></div>
<div id="control_panel" style="float:right;width:30%;text-align:left;padding-top:20px">
<div id="directions_panel" style="margin:20px;background-color:#FFEE77;"></div>
<div id="total"></div>
</div>
