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| <!DOCTYPE html>
<html>
<head>
<title>Place Autocomplete</title>
<meta name="viewport" content="initial-scale=1.0, user-scalable=no">
<meta charset="utf-8">
<style>
html, body {
height: 100%;
margin: 0;
padding: 0;
}
#map {
height: 100%;
}
.controls {
margin-top: 10px;
border: 1px solid transparent;
border-radius: 2px 0 0 2px;
box-sizing: border-box;
-moz-box-sizing: border-box;
height: 32px;
outline: none;
box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
}
#origin-input,
#destination-input {
background-color: #fff;
font-family: Roboto;
font-size: 15px;
font-weight: 300;
margin-left: 12px;
padding: 0 11px 0 13px;
text-overflow: ellipsis;
width: 200px;
}
#origin-input:focus,
#destination-input:focus {
border-color: #4d90fe;
}
#mode-selector {
color: #fff;
background-color: #4d90fe;
margin-left: 12px;
padding: 5px 11px 0px 11px;
}
#mode-selector label {
font-family: Roboto;
font-size: 13px;
font-weight: 300;
}
</style>
</head>
<body>
<input id="origin-input" class="controls" type="text"
placeholder="Enter an origin location" onblur="GetLocation()">
<input id="destination-input" class="controls" type="text"
placeholder="Enter a destination location" onblur="GetLocationdestination()">
<div id="mode-selector" class="controls" style="display: none">
<input type="radio" name="type" id="changemode-walking" checked="checked" >
<label for="changemode-walking">Walking</label>
<input type="radio" name="type" id="changemode-transit">
<label for="changemode-transit">Transit</label>
<input type="radio" name="type" id="changemode-driving">
<label for="changemode-driving">Driving</label>
</div>
<div id="map"></div>
<script>
function initMap() {
var origin_place_id = null;
var destination_place_id = null;
var travel_mode = google.maps.TravelMode.WALKING;
var map = new google.maps.Map(document.getElementById('map'), {
mapTypeControl: false,
center: {lat: 48.8737793, lng: 2.2950156},
zoom: 13
});
var directionsService = new google.maps.DirectionsService;
var directionsDisplay = new google.maps.DirectionsRenderer;
directionsDisplay.setMap(map);
var origin_input = document.getElementById('origin-input');
var destination_input = document.getElementById('destination-input');
var modes = document.getElementById('mode-selector');
map.controls[google.maps.ControlPosition.TOP_LEFT].push(origin_input);
map.controls[google.maps.ControlPosition.TOP_LEFT].push(destination_input);
map.controls[google.maps.ControlPosition.TOP_LEFT].push(modes);
var origin_autocomplete = new google.maps.places.Autocomplete(origin_input);
origin_autocomplete.bindTo('bounds', map);
var destination_autocomplete =
new google.maps.places.Autocomplete(destination_input);
destination_autocomplete.bindTo('bounds', map);
// Sets a listener on a radio button to change the filter type on Places
// Autocomplete.
function setupClickListener(id, mode) {
var radioButton = document.getElementById(id);
radioButton.addEventListener('click', function() {
travel_mode = mode;
});
}
setupClickListener('changemode-walking', google.maps.TravelMode.WALKING);
setupClickListener('changemode-transit', google.maps.TravelMode.TRANSIT);
setupClickListener('changemode-driving', google.maps.TravelMode.DRIVING);
function expandViewportToFitPlace(map, place) {
if (place.geometry.viewport) {
map.fitBounds(place.geometry.viewport);
} else {
map.setCenter(place.geometry.location);
map.setZoom(17);
}
}
origin_autocomplete.addListener('place_changed', function() {
var place = origin_autocomplete.getPlace();
if (!place.geometry) {
window.alert("Autocomplete's returned place contains no geometry");
return;
}
expandViewportToFitPlace(map, place);
// If the place has a geometry, store its place ID and route if we have
// the other place ID
origin_place_id = place.place_id;
route(origin_place_id, destination_place_id, travel_mode,
directionsService, directionsDisplay);
});
destination_autocomplete.addListener('place_changed', function() {
var place = destination_autocomplete.getPlace();
if (!place.geometry) {
window.alert("Autocomplete's returned place contains no geometry");
return;
}
expandViewportToFitPlace(map, place);
// If the place has a geometry, store its place ID and route if we have
// the other place ID
destination_place_id = place.place_id;
route(origin_place_id, destination_place_id, travel_mode,
directionsService, directionsDisplay);
});
function route(origin_place_id, destination_place_id, travel_mode,
directionsService, directionsDisplay) {
if (!origin_place_id || !destination_place_id) {
return;
}
directionsService.route({
origin: {'placeId': origin_place_id},
destination: {'placeId': destination_place_id},
travelMode: travel_mode
}, function(response, status) {
if (status === google.maps.DirectionsStatus.OK) {
directionsDisplay.setDirections(response);
} else {
window.alert('Directions request failed due to ' + status);
}
});
}
}
function getDistanceFromLatLonInKm(lat1,lon1,lat2,lon2) {
var R = 6371; // Radius of the earth in km
var dLat = deg2rad(lat2-lat1); // deg2rad below
var dLon = deg2rad(lon2-lon1);
var a =
Math.sin(dLat/2) * Math.sin(dLat/2) +
Math.cos(deg2rad(lat1)) * Math.cos(deg2rad(lat2)) *
Math.sin(dLon/2) * Math.sin(dLon/2)
;
var c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1-a));
var d = R * c; // Distance in km
return d;
}
function deg2rad(deg) {
return deg * (Math.PI/180)
}
var latitudeorigin;
var longitudeorigin;
var latitudedestination;
var longitudedestination;
function GetLocation() {
var geocoder = new google.maps.Geocoder();
var address = document.getElementById("origin-input").value;
geocoder.geocode({ 'address': address }, function (results, status) {
if (status == google.maps.GeocoderStatus.OK) {
latitude = results[0].geometry.location.lat();
longitude = results[0].geometry.location.lng();
latitudeorigin = latitude;
longitudeorigin = longitude;
} else {
alert("Request failed.")
}
});
};
function GetLocationdestination() {
var geocoder = new google.maps.Geocoder();
var address = document.getElementById("destination-input").value;
geocoder.geocode({ 'address': address }, function (results, status) {
if (status == google.maps.GeocoderStatus.OK) {
latitudedest = results[0].geometry.location.lat();
longitudest = results[0].geometry.location.lng();
latitudedestination = latitudedest;
longitudedestination = longitudest;
var point1 = new google.maps.LatLng(latitudeorigin, longitudeorigin);
var point2 = new google.maps.LatLng(latitudedestination, longitudedestination);
var distanceKm = google.maps.geometry.spherical.computeDistanceBetween(point1, point2);
distanceKm = distanceKm/1000;
var dd = getDistanceFromLatLonInKm(latitudeorigin,longitudeorigin,latitudedestination,longitudedestination);
window.alert(dd);
//window.alert(latitudeorigin + "----" + longitudeorigin + "//" + latitudedestination + "-----" + longitudedestination);
} else {
alert("Request failed.")
}
});
};
</script>
</body>
</html> |
