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The Simplest AngularJS Google Maps V3 Directive
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source : traffic-layer.js
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<pre class="prettyprint source linenums"><code>/**
* @ngdoc directive
* @name traffic-layer
* @param Attr2MapOptions {service} convert html attribute to Google map api options
* @description
* Requires: map directive
* Restrict To: Element
*
* @example
* Example:
*
* <map zoom="13" center="34.04924594193164, -118.24104309082031">
* <traffic-layer></traffic-layer>
* </map>
*/
(function() {
'use strict';
angular.module('ngMap').directive('trafficLayer', [
'Attr2MapOptions', function(Attr2MapOptions) {
var parser = Attr2MapOptions;
var getLayer = function(options, events) {
var layer = new google.maps.TrafficLayer(options);
for (var eventName in events) {
google.maps.event.addListener(layer, eventName, events[eventName]);
}
return layer;
};
return {
restrict: 'E',
require: ['?^map','?^ngMap'],
link: function(scope, element, attrs, mapController) {
mapController = mapController[0]||mapController[1];
var orgAttrs = parser.orgAttributes(element);
var filtered = parser.filter(attrs);
var options = parser.getOptions(filtered, {scope: scope});
var events = parser.getEvents(scope, filtered);
console.log('traffic-layer options', options, 'events', events);
var layer = getLayer(options, events);
mapController.addObject('trafficLayers', layer);
mapController.observeAttrSetObj(orgAttrs, attrs, layer); //observers
element.bind('$destroy', function() {
mapController.deleteObject('trafficLayers', layer);
});
}
}; // return
}]);
})();
</code></pre>
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