<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="initial-scale=1.0, user-scalable=no">
<meta charset="utf-8">
<title>Waypoints in directions</title>
<style>
html, body {
height: 100%;
margin: 0;
padding: 0;
}
#map {
height: 100%;
float: left;
width: 70%;
height: 100%;
}
#right-panel {
font-family: 'Roboto','sans-serif';
line-height: 30px;
padding-left: 10px;
}
#right-panel select, #right-panel input {
font-size: 15px;
}
#right-panel select {
width: 100%;
}
#right-panel i {
font-size: 12px;
}
#right-panel {
margin: 20px;
border-width: 2px;
width: 20%;
float: left;
text-align: left;
padding-top: 20px;
}
#directions-panel {
margin-top: 20px;
background-color: #FFEE77;
padding: 10px;
}
</style>
</head>
<body>
<div id="map"></div>
<div id="right-panel">
<div>
<b>Start:</b>
<select id="start">
<option value="Halifax, NS">Halifax, NS</option>
<option value="Boston, MA">Boston, MA</option>
<option value="New York, NY">New York, NY</option>
<option value="Miami, FL">Miami, FL</option>
</select>
<br>
<b>Waypoints:</b> <br>
<i>(Ctrl-Click for multiple selection)</i> <br>
<select multiple id="waypoints">
<option value="montreal, quebec">Montreal, QBC</option>
<option value="toronto, ont">Toronto, ONT</option>
<option value="chicago, il">Chicago</option>
<option value="winnipeg, mb">Winnipeg</option>
<option value="fargo, nd">Fargo</option>
<option value="calgary, ab">Calgary</option>
<option value="spokane, wa">Spokane</option>
</select>
<br>
<b>End:</b>
<select id="end">
<option value="Vancouver, BC">Vancouver, BC</option>
<option value="Seattle, WA">Seattle, WA</option>
<option value="San Francisco, CA">San Francisco, CA</option>
<option value="Los Angeles, CA">Los Angeles, CA</option>
</select>
<br>
<input type="submit" id="submit">
</div>
<div id="directions-panel"></div>
</div>
<script>
function initMap() {
var directionsService = new google.maps.DirectionsService;
var directionsDisplay = new google.maps.DirectionsRenderer;
var map = new google.maps.Map(document.getElementById('map'), {
zoom: 6,
center: {lat: 41.85, lng: -87.65}
});
directionsDisplay.setMap(map);
document.getElementById('submit').addEventListener('click', function() {
calculateAndDisplayRoute(directionsService, directionsDisplay);
});
}
function calculateAndDisplayRoute(directionsService, directionsDisplay) {
var waypts = [];
console.log(waypts)
var checkboxArray = document.getElementById('waypoints');
for (var i = 0; i < checkboxArray.length; i++) {
if (checkboxArray.options[i].selected) {
waypts.push({
location: checkboxArray[i].value,
stopover: true
});
}
}
directionsService.route({
origin: document.getElementById('start').value,
destination: document.getElementById('end').value,
waypoints: waypts,
optimizeWaypoints: true,
travelMode: google.maps.TravelMode.DRIVING
}, 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>';
}
} else {
window.alert('Directions request failed due to ' + status);
}
});
}
</script>
<script src="https://maps.googleapis.com/maps/api/js?key=AIzaSyCRJmzsM7kO11JVPiPukyS3lzxyWQj4nVU&signed_in=true&callback=initMap"
async defer></script>
</body>
</html>
