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Updated code for handling dynamic lat-lng values #1

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Updated code for handling dynamic lat-lng values #1

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dac6b74
Used scope instead of attributes to avoid curly-brace expression bind…
Sep 16, 2015
75f6b97
Added mapsAPI promise in cases that it's asynchronously loaded
Dec 7, 2015
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43 changes: 30 additions & 13 deletions angular-reverse-geocode.js
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Original file line number Diff line number Diff line change
Expand Up @@ -9,20 +9,37 @@
return {
restrict: 'E',
template: '<div></div>',
link: function (scope, element, attrs) {
var geocoder = new google.maps.Geocoder();
var latlng = new google.maps.LatLng(attrs.lat, attrs.lng);
geocoder.geocode({ 'latLng': latlng }, function (results, status) {
if (status == google.maps.GeocoderStatus.OK) {
if (results[1]) {
element.text(results[1].formatted_address);
} else {
element.text('Location not found');
}
} else {
element.text('Geocoder failed due to: ' + status);
}
scope: {
lat: '=',
lng: '=',
mapApiPromise: '=?'
},
link: function (scope, element) {
if (!scope.mapApiPromise) return watchLatLng();

scope.mapApiPromise.then(function (maps) {
watchLatLng(maps);
});

function watchLatLng(mapApi) {
var mapsApi = mapApi || google.maps;

scope.$watchGroup(['lat', 'lng'], function () {
var geocoder = new mapsApi.Geocoder();
var latlng = new mapsApi.LatLng(scope.lat, scope.lng);
geocoder.geocode({ 'latLng': latlng }, function (results, status) {
if (status == google.maps.GeocoderStatus.OK) {
if (results[1]) {
element.text(results[1].formatted_address);
} else {
element.text('Location not found');
}
} else {
element.text('Geocoder failed due to: ' + status);
}
});
});
}
},
replace: true
}
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2 changes: 1 addition & 1 deletion demo/demo.html
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Original file line number Diff line number Diff line change
Expand Up @@ -15,7 +15,7 @@ <h1>
</div>

<script src="https://maps.googleapis.com/maps/api/js?v=3.exp"></script>
<script src="https://code.angularjs.org/1.2.16/angular.js"></script>
<script src="https://code.angularjs.org/1.3.15/angular.js"></script>
<script src="../angular-reverse-geocode.js"></script>
<script src="demo.js"></script>
</body>
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