This sample allows a user to specify source and destination locations, and then
it uses the DirectionsService
to calculate the route, and the DirectionsRenderer
to display the route.
For more information, see Autocomplete for Addresses and Search Terms , and the Directions Service .
TypeScript
// This example requires the Places library. Include the libraries=places // parameter when you first load the API. For example: // <script // src="https://maps.googleapis.com/maps/api/js?key=YOUR_API_KEY&libraries=places" > function initMap () : void { const map = new google . maps . Map ( document . getElementById ( "map" ) as HTMLElement , { mapTypeControl : false , center : { lat : - 33.8688 , lng : 151.2195 }, zoom : 13 , } ); new AutocompleteDirectionsHandler ( map ); } class AutocompleteDirectionsHandler { map : google.maps.Map ; originPlaceId : string ; destinationPlaceId : string ; travelMode : google.maps.TravelMode ; directionsService : google.maps.DirectionsService ; directionsRenderer : google.maps.DirectionsRenderer ; constructor ( map : google.maps.Map ) { this . map = map ; this . originPlaceId = "" ; this . destinationPlaceId = "" ; this . travelMode = google . maps . TravelMode . WALKING ; this . directionsService = new google . maps . DirectionsService (); this . directionsRenderer = new google . maps . DirectionsRenderer (); this . directionsRenderer . setMap ( map ); const originInput = document . getElementById ( "origin-input" ) as HTMLInputElement ; const destinationInput = document . getElementById ( "destination-input" ) as HTMLInputElement ; const modeSelector = document . getElementById ( "mode-selector" ) as HTMLSelectElement ; // Specify just the place data fields that you need. const originAutocomplete = new google . maps . places . Autocomplete ( originInput , { fields : [ "place_id" ] } ); // Specify just the place data fields that you need. const destinationAutocomplete = new google . maps . places . Autocomplete ( destinationInput , { fields : [ "place_id" ] } ); this . setupClickListener ( "changemode-walking" , google . maps . TravelMode . WALKING ); this . setupClickListener ( "changemode-transit" , google . maps . TravelMode . TRANSIT ); this . setupClickListener ( "changemode-driving" , google . maps . TravelMode . DRIVING ); this . setupPlaceChangedListener ( originAutocomplete , "ORIG" ); this . setupPlaceChangedListener ( destinationAutocomplete , "DEST" ); this . map . controls [ google . maps . ControlPosition . TOP_LEFT ]. push ( originInput ); this . map . controls [ google . maps . ControlPosition . TOP_LEFT ]. push ( destinationInput ); this . map . controls [ google . maps . ControlPosition . TOP_LEFT ]. push ( modeSelector ); } // Sets a listener on a radio button to change the filter type on Places // Autocomplete. setupClickListener ( id : string , mode : google.maps.TravelMode ) { const radioButton = document . getElementById ( id ) as HTMLInputElement ; radioButton . addEventListener ( "click" , () = > { this . travelMode = mode ; this . route (); }); } setupPlaceChangedListener ( autocomplete : google.maps.places.Autocomplete , mode : string ) { autocomplete . bindTo ( "bounds" , this . map ); autocomplete . addListener ( "place_changed" , () = > { const place = autocomplete . getPlace (); if ( ! place . place_id ) { window . alert ( "Please select an option from the dropdown list." ); return ; } if ( mode === "ORIG" ) { this . originPlaceId = place . place_id ; } else { this . destinationPlaceId = place . place_id ; } this . route (); }); } route () { if ( ! this . originPlaceId || ! this . destinationPlaceId ) { return ; } const me = this ; this . directionsService . route ( { origin : { placeId : this.originPlaceId }, destination : { placeId : this.destinationPlaceId }, travelMode : this.travelMode , }, ( response , status ) = > { if ( status === "OK" ) { me . directionsRenderer . setDirections ( response ); } else { window . alert ( "Directions request failed due to " + status ); } } ); } } declare global { interface Window { initMap : () = > void ; } } window . initMap = initMap ;
JavaScript
// This example requires the Places library. Include the libraries=places // parameter when you first load the API. For example: // <script // src="https://maps.googleapis.com/maps/api/js?key=YOUR_API_KEY&libraries=places" > function initMap () { const map = new google . maps . Map ( document . getElementById ( "map" ), { mapTypeControl : false , center : { lat : - 33.8688 , lng : 151.2195 }, zoom : 13 , }); new AutocompleteDirectionsHandler ( map ); } class AutocompleteDirectionsHandler { map ; originPlaceId ; destinationPlaceId ; travelMode ; directionsService ; directionsRenderer ; constructor ( map ) { this . map = map ; this . originPlaceId = "" ; this . destinationPlaceId = "" ; this . travelMode = google . maps . TravelMode . WALKING ; this . directionsService = new google . maps . DirectionsService (); this . directionsRenderer = new google . maps . DirectionsRenderer (); this . directionsRenderer . setMap ( map ); const originInput = document . getElementById ( "origin-input" ); const destinationInput = document . getElementById ( "destination-input" ); const modeSelector = document . getElementById ( "mode-selector" ); // Specify just the place data fields that you need. const originAutocomplete = new google . maps . places . Autocomplete ( originInput , { fields : [ "place_id" ] }, ); // Specify just the place data fields that you need. const destinationAutocomplete = new google . maps . places . Autocomplete ( destinationInput , { fields : [ "place_id" ] }, ); this . setupClickListener ( "changemode-walking" , google . maps . TravelMode . WALKING , ); this . setupClickListener ( "changemode-transit" , google . maps . TravelMode . TRANSIT , ); this . setupClickListener ( "changemode-driving" , google . maps . TravelMode . DRIVING , ); this . setupPlaceChangedListener ( originAutocomplete , "ORIG" ); this . setupPlaceChangedListener ( destinationAutocomplete , "DEST" ); this . map . controls [ google . maps . ControlPosition . TOP_LEFT ]. push ( originInput ); this . map . controls [ google . maps . ControlPosition . TOP_LEFT ]. push ( destinationInput , ); this . map . controls [ google . maps . ControlPosition . TOP_LEFT ]. push ( modeSelector ); } // Sets a listener on a radio button to change the filter type on Places // Autocomplete. setupClickListener ( id , mode ) { const radioButton = document . getElementById ( id ); radioButton . addEventListener ( "click" , () = > { this . travelMode = mode ; this . route (); }); } setupPlaceChangedListener ( autocomplete , mode ) { autocomplete . bindTo ( "bounds" , this . map ); autocomplete . addListener ( "place_changed" , () = > { const place = autocomplete . getPlace (); if ( ! place . place_id ) { window . alert ( "Please select an option from the dropdown list." ); return ; } if ( mode === "ORIG" ) { this . originPlaceId = place . place_id ; } else { this . destinationPlaceId = place . place_id ; } this . route (); }); } route () { if ( ! this . originPlaceId || ! this . destinationPlaceId ) { return ; } const me = this ; this . directionsService . route ( { origin : { placeId : this . originPlaceId }, destination : { placeId : this . destinationPlaceId }, travelMode : this . travelMode , }, ( response , status ) = > { if ( status === "OK" ) { me . directionsRenderer . setDirections ( response ); } else { window . alert ( "Directions request failed due to " + status ); } }, ); } } window . initMap = initMap ;
CSS
/* * 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 ; } . controls { margin-top : 10 px ; border : 1 px solid transparent ; border-radius : 2 px 0 0 2 px ; box-sizing : border-box ; -moz- box-sizing : border-box ; height : 32 px ; outline : none ; box-shadow : 0 2 px 6 px rgba ( 0 , 0 , 0 , 0.3 ); } # origin-input , # destination-input { background-color : #fff ; font-family : Roboto ; font-size : 15 px ; font-weight : 300 ; margin-left : 12 px ; padding : 0 11 px 0 13 px ; text-overflow : ellipsis ; width : 200 px ; } # origin-input : focus , # destination-input : focus { border-color : #4d90fe ; } # mode-selector { color : #fff ; background-color : #4d90fe ; margin-left : 12 px ; padding : 5 px 11 px 0 px 11 px ; } # mode-selector label { font-family : Roboto ; font-size : 13 px ; font-weight : 300 ; }
HTML
<html> <head> <title>Place Autocomplete and Directions</title> <link rel="stylesheet" type="text/css" href="./style.css" /> <script type="module" src="./index.js"></script> </head> <body> <div style="display: none"> <input id="origin-input" class="controls" type="text" placeholder="Enter an origin location" /> <input id="destination-input" class="controls" type="text" placeholder="Enter a destination location" /> <div id="mode-selector" class="controls"> <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> <div id="map"></div> <!-- The `defer` attribute causes the script to execute after the full HTML document has been parsed. For non-blocking uses, avoiding race conditions, and consistent behavior across browsers, consider loading using Promises. See https://developers.google.com/maps/documentation/javascript/load-maps-js-api for more information. --> <script src="https://maps.googleapis.com/maps/api/js?key=AIzaSyB41DRUbKWJHPxaFjMAwdrzWzbVKartNGg&callback=initMap&libraries=places&v=weekly" defer ></script> </body> </html>
Try Sample
Clone Sample
Git and Node.js are required to run this sample locally. Follow these instructions to install Node.js and NPM. The following commands clone, install dependencies and start the sample application.
git clone - b sample - places - autocomplete - directions https : //github.com/googlemaps/js-samples.gitcd js - samplesnpm inpm start
Other samples can be tried by switching to any branch beginning with sample- SAMPLE_NAME
.
git checkout sample - SAMPLE_NAMEnpm inpm start
