Web Programming examples

Google Maps,AngularJS

Google Maps for AngularJS Reverse Geocoding (Address Lookup)(v2.4.1)

  • AngularJS : 1.6.5
  • Google Maps for AngularJS : 2.4.1
  • include file
  • angular.min.js, lodash.underscore.min.js, angular-simple-logger.min.js,angular-google-maps.min.js
<div ng-controller="MyCtrl">
  <div class="row">
    <div class="col-sm-12">
    <ui-gmap-google-map 
      id="map-canvas"
      center="map.center"
      zoom="map.zoom"
      draggable="true"
      options="map.options"
      control="map.control"
      events="map.events"
    >
      <ui-gmap-marker ng-repeat="m in map.markers" idkey='m.id'
              coords="m" click="onMarkerClicked(m)">
        <ui-gmap-window show="m.showWindow"
                closeClick="closeClick(m)"
                templateUrl="m.templateUrl"
                templateParameter="m.templateParameter"
        >
        </ui-gmap-window>
      </ui-gmap-marker>
    </ui-gmap-google-map>
    </div>
  </div>
</div>


(assets/templates/addr.html)
<div>
  <strong>Address</strong>
  <div>
    {{ parameter.message }}
  </div>
</div>
var mapApp = angular.module('googleMapApp', ['uiGmapgoogle-maps']);

mapApp.config(
    ['uiGmapGoogleMapApiProvider', function(GoogleMapApiProviders) {
        GoogleMapApiProviders.configure({
          key: 'your Google Map api key',
          v: '3', //defaults to latest 3.X anyhow
          libraries: 'weather,geometry,visualization'
        });
    }]
);

mapApp.controller("MyCtrl",['$scope', 'uiGmapGoogleMapApi', function ($scope,uiGmapGoogleMapApi) {
  angular.extend($scope, {
    map: {
      center: {
        latitude: 35.681382,
        longitude: 139.766084
      },
      options: {
        maxZoom: 20,
        minZoom: 3
      },
      zoom: 15,
      control: {},
      events: {
        click: function (map, eventName, originalEventArgs) {
          addLatLng(map, eventName, originalEventArgs);
        }
      },
      markers: [],
    }
  });
  var n = 0;
  function addLatLng(map, eventName, originalEventArgs) {
    var infowindow = new google.maps.InfoWindow();
    var e = originalEventArgs[0];
    var geocoder;
    geocoder = new google.maps.Geocoder();
    var lat = parseFloat(e.latLng.lat());
    var lng = parseFloat(e.latLng.lng());
    var latlng = new google.maps.LatLng(lat, lng);

    geocoder.geocode({'latLng': latlng}, function(results, status) {
      if (status == google.maps.GeocoderStatus.OK) {
        if (results[0]) {
          n++;
          var marker = {
            id: n,
            latitude: lat,
            longitude:lng,
            showWindow: false,
            templateUrl: 'assets/templates/addr.html',
            templateParameter: {
              message: results[0].formatted_address
            }
          }
          $scope.map.markers.push(marker);
          $scope.$apply();
        } else {
          alert('No results found');
        }
      } else {
        alert('Geocoder failed due to: ' + status);
      }
    });
  }
  $scope.closeClick = function (marker) {
    marker.showWindow = false;
  };
  $scope.onMarkerClicked = function (marker) {
    marker.showWindow = true;
  };
  uiGmapGoogleMapApi.then(function(maps) {});
}]);

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