mohsen-angular-leaflet-directive/src/services/leafletData.js

angular-leaflet-directive - An AngularJS directive to easily interact with Leaflet maps

angular.module('leaflet-directive').service('leafletData', function(leafletLogger, $q, leafletHelpers) {
  var getDefer = leafletHelpers.getDefer;
  var getUnresolvedDefer = leafletHelpers.getUnresolvedDefer;
  var setResolvedDefer = leafletHelpers.setResolvedDefer;

  var _private = {};
  var _this = this;

  var upperFirst = function(string) {
    return string.charAt(0).toUpperCase() + string.slice(1);
  };

  var _privateItems = [
      'map',
      'tiles',
      'layers',
      'paths',
      'markers',
      'geoJSON',
      'UTFGrid', //odd ball on naming convention keeping to not break
      'decorations',
      'directiveControls',
  ];

  //init
  _privateItems.forEach(function(itemName) {
    _private[itemName] = {};
  });

  this.unresolveMap = function(scopeId) {
    var id = leafletHelpers.obtainEffectiveMapId(_private.map, scopeId);
    _privateItems.forEach(function(itemName) {
      _private[itemName][id] = undefined;
    });
  };

  //int repetitive stuff (get and sets)
  _privateItems.forEach(function(itemName) {
    var name = upperFirst(itemName);
    _this['set' + name] = function(lObject, scopeId) {
      var defer = getUnresolvedDefer(_private[itemName], scopeId);
      defer.resolve(lObject);
      setResolvedDefer(_private[itemName], scopeId);
    };

    _this['get' + name] = function(scopeId) {
      var defer = getDefer(_private[itemName], scopeId);
      return defer.promise;
    };
  });
});