Geolocation

by wisegorilla

HTML

<input id="pac-input" class="controls" type="text"
    placeholder="Enter a location">
<div id="map"></div>
<div id="infowindow-content">
  <span id="place-name"  class="title"></span><br>
  Place ID <span id="place-id"></span><br>
  <span id="place-address"></span>
</div>
<!-- Replace the value of the key parameter with your own API key. -->
<script src="https://maps.googleapis.com/maps/api/js?key=AIzaSyCkUOdZ5y7hMm0yrcCQoCvLwzdM6M8s5qk&libraries=places&callback=initMap"
        async defer></script>
        
        <button type="button">Click Me!</button>

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 {
  background-color: #fff;
  border-radius: 2px;
  border: 1px solid transparent;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
  box-sizing: border-box;
  font-family: Roboto;
  font-size: 15px;
  font-weight: 300;
  height: 29px;
  margin-left: 17px;
  margin-top: 10px;
  outline: none;
  padding: 0 11px 0 13px;
  text-overflow: ellipsis;
  width: 400px;
}

.controls:focus {
  border-color: #4d90fe;
}
.title {
  font-weight: bold;
}
#infowindow-content {
  display: none;
}
#map #infowindow-content {
  display: inline;
}

JavaScript

// Note: This example requires that you consent to location sharing when
// prompted by your browser. If you see the error "The Geolocation service
// failed.", it means you probably did not give permission for the browser to
// locate you.
var map, infoWindow;
function initMap() {
  map = new google.maps.Map(document.getElementById('map'), {
    center: {lat: -34.397, lng: 150.644},
    zoom: 6
  });
  infoWindow = new google.maps.InfoWindow;

  // Try HTML5 geolocation.
  if (navigator.geolocation) {
    navigator.geolocation.getCurrentPosition(function(position) {
      var pos = {
        lat: position.coords.latitude,
        lng: position.coords.longitude
      };

      infoWindow.setPosition(pos);
      infoWindow.setContent('Location found.');
      infoWindow.open(map);
      map.setCenter(pos);
    }, function() {
      handleLocationError(true, infoWindow, map.getCenter());
    });
  } else {
    // Browser doesn't support Geolocation
    handleLocationError(false, infoWindow, map.getCenter());
  }
}

function handleLocationError(browserHasGeolocation, infoWindow, pos) {
  infoWindow.setPosition(pos);
  infoWindow.setContent(browserHasGeolocation ?
                        'Error: The Geolocation service failed.' :
                        'Error: Your browser doesn\'t support geolocation.');
  infoWindow.open(map);
}