gmaps/RouteDirectionsFromTo.html at master · g33kism/gmaps · GitHub

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<!DOCTYPE html>
<html>
<!--refer https://developers.google.com/maps/documentation/javascript/directions -->
<head>
  <title>Directions service</title>
  <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
   <style>
    /* Always set the map height explicitly to define the size of the div
       * element that contains the map. */

    #map {
      height: 100%;
    }
    /* Optional: Makes the sample page fill the window. */

    html,
    body {
      height: 100%;
      margin: 0;
      padding: 0;
    }
  </style>
</head>

<body>
  <div>
  From:
   <input type="text" id="txtFrom" />
   To:
    <input type="text" id="txtTo" />
	Mode of Travel:
	<select id="mode">
	  <option value="DRIVING">Driving</option>
	  <option value="WALKING">Walking</option>
	  <option value="BICYCLING">Bicycling</option>
	  <option value="TRANSIT">Transit</option>
	</select>
    <button id="directions">Show Directions</button>
    <div>
      <strong>Results</strong>
    </div>
    <div id="output"></div>
  </div>
  	<div id="map"></div>

  <script>
	 var map;
    $("#directions").click(function () {
	      var originLoc = document.getElementById('txtFrom').value;
          var destinationLoc = document.getElementById('txtTo').value;
		  var selectedMode = document.getElementById('mode').value;
          var geocoder = new google.maps.Geocoder;
          var directionsDisplay = new google.maps.DirectionsRenderer;
		  var directionsService = new google.maps.DirectionsService;
		  directionsDisplay.setMap(map);
          //getting directions from Google
          directionsService.route	({
            origin: originLoc,
            destination: destinationLoc,
            travelMode: google.maps.TravelMode[selectedMode],
            avoidHighways: false,
            avoidTolls: false
          }, function (response, status) {
            if (status !== 'OK') {
              alert('Error was: ' + status);
            } else {
			  directionsDisplay.setDirections(response);
              var outputDiv = document.getElementById('output');
			  var distance = response.routes[0].legs[0].distance.text;
			  var duration = response.routes[0].legs[0].duration.text;
			  var fromLoc = response.routes[0].legs[0].start_address;
			  var toLoc = response.routes[0].legs[0].end_address;
			  var steps = 'From '+fromLoc+' to '+toLoc+' can be reached by below route in '+duration+ ' travelling '+ distance +'<br/>';
              for (var i = 0; i < response.routes[0].legs[0].steps.length; i++) {
                steps += response.routes[0].legs[0].steps[i].instructions + " For "+response.routes[0].legs[0].steps[i].distance.text + "<br/>";
              }
			  outputDiv.innerHTML = steps;
            }
          });
    });

	 function initMap() {
	 console.log('Map init');
      map = new google.maps.Map(document.getElementById('map'), {
        center: { lat: 19.02, lng: 72.87 },
        zoom: 12
      });
    }
  </script>
  <script async defer src="https://maps.googleapis.com/maps/api/js?key=AIzaSyAMxdGmGa60mA7EV-iPYauPrj9XB35qA6Q&callback=initMap">

  </script>
</body>

</html>