www/plugins/gis/javascript/gis_geocoder.js

   1 /*
   2  * L.Geocoder is used to make geocoding or reverse geocoding requests.
   3  */
   4
   5 L.Geocoder = L.Class.extend({
   6
   7         includes: L.Mixin.Events,
   8
   9         options: {
  10                 forwardUrl: L.geocoderConfig.forwardUrl,
  11                 reverseUrl: L.geocoderConfig.reverseUrl,
  12                 limit: 1,
  13                 acceptLanguage:'fr',
  14                 addressdetails: 1
  15         },
  16
  17         initialize: function (callback, options) {
  18                 L.Util.setOptions(this, options);
  19                 this._user_callback = callback;
  20         },
  21
  22         geocode: function (data) {
  23                 if (L.LatLng && (data instanceof L.LatLng)) {
  24                         this._reverse_geocode(data);
  25                 } else if (typeof(data) == 'string') {
  26                         this.options.search = data;
  27                         this._geocode(data);
  28                 }
  29         },
  30
  31         _geocode: function (text) {
  32                 this._request(
  33                         this.options.forwardUrl,
  34                         {
  35                                 format: 'json',
  36                                 q: text,
  37                                 limit: this.options.limit,
  38                                 addressdetails: this.options.addressdetails,
  39                                 'accept-language': this.options.acceptLanguage
  40                         }
  41                 );
  42         },
  43
  44         _reverse_geocode: function (latlng) {
  45                 this._request(
  46                         this.options.reverseUrl,
  47                         {
  48                                 format: 'json',
  49                                 lat: latlng.lat,
  50                                 lon: latlng.lng,
  51                                 'accept-language': this.options.acceptLanguage
  52                         }
  53                 );
  54         },
  55
  56         _request: function (url, data) {
  57                 jQuery.ajax({
  58                         cache: true,
  59                         context: this,
  60                         data: data,
  61                         success: this._callback,
  62                         url: url
  63                 });
  64         },
  65
  66         _callback: function (response, textStatus, jqXHR) {
  67                 var return_location = {},
  68                         geocoder_server = false;
  69                 if (this.options.search) {
  70                         return_location.search = this.options.search;
  71                 }
  72                 if (response.type === 'FeatureCollection') {
  73                         geocoder_server = 'photon';
  74                 }
  75                 if (((response instanceof Array) && (!response.length)) || ((response instanceof Object) && (response.error))) {
  76                         return_location.error = 'not found';
  77                 } else {
  78                         return_location.street = return_location.postcode = return_location.postcode =
  79                         return_location.locality = return_location.region = return_location.country  = '';
  80                         if (geocoder_server == 'photon') {
  81                                 if (!response.features.length || response.features.length == 0) {
  82                                         return_location.error = 'not found';
  83                                 }
  84                                 else {
  85                                         place = response.features[0];
  86                                         var street_components = [];
  87
  88                                         if (place.properties.country) {
  89                                                 return_location.country = place.properties.country;
  90                                         }
  91                                         if (place.properties.country_code) {
  92                                                 return_location.country_code = place.properties.country_code;
  93                                         }
  94                                         if (place.properties.state) {
  95                                                 return_location.region = place.properties.state;
  96                                         }
  97                                         if (place.properties.city) {
  98                                                 return_location.locality = place.properties.city;
  99                                         } else if (place.properties.town) {
 100                                                 return_location.locality = place.properties.town;
 101                                         } else if (place.properties.village) {
 102                                                 return_location.locality = place.properties.village;
 103                                         } else if (place.properties.osm_key == 'place' && (place.properties.osm_value == 'city' || place.properties.osm_value == 'village')) {
 104                                                 return_location.locality = place.properties.name;
 105                                         } else if (place.properties.county) {
 106                                                 street_components.push(place.properties.county);
 107                                         }
 108                                         if (place.properties.postcode) {
 109                                                 return_location.postcode = place.properties.postcode;
 110                                         }
 111                                         if (place.properties.street) {
 112                                                 street_components.push(place.properties.street);
 113                                         } else if (place.properties.road) {
 114                                                 street_components.push(place.properties.road);
 115                                         } else if (place.properties.pedestrian) {
 116                                                 street_components.push(place.properties.pedestrian);
 117                                         }
 118                                         if (place.properties.housenumber) {
 119                                                 street_components.unshift(place.properties.housenumber);
 120                                         }
 121                                         if (return_location.street === '' && street_components.length > 0) {
 122                                                 return_location.street = street_components.join(' ');
 123                                         }
 124                                         place.lat = place.geometry.coordinates[1];
 125                                         place.lon = place.geometry.coordinates[0];
 126                                         return_location.point = new L.LatLng(place.lat, place.lon);
 127                                 }
 128                         }
 129                         else {
 130                                 if (response.length > 0)
 131                                         place = response[0];
 132                                 else {
 133                                         place = response;
 134                                 }
 135
 136                                 var street_components = [];
 137
 138                                 if (place.address.country) {
 139                                         return_location.country = place.address.country;
 140                                 }
 141                                 if (place.address.country_code) {
 142                                         return_location.country_code = place.address.country_code;
 143                                 }
 144                                 if (place.address.state) {
 145                                         return_location.region = place.address.state;
 146                                 }
 147                                 if (place.address.city) {
 148                                         return_location.locality = place.address.city;
 149                                 } else if (place.address.town) {
 150                                         return_location.locality = place.address.town;
 151                                 } else if (place.address.village) {
 152                                         return_location.locality = place.address.village;
 153                                 } else if (place.address.county) {
 154                                         street_components.push(place.address.county);
 155                                 }
 156                                 if (place.address.postcode) {
 157                                         return_location.postcode = place.address.postcode;
 158                                 }
 159                                 if (place.address.road) {
 160                                         street_components.push(place.address.road);
 161                                 } else if (place.address.pedestrian) {
 162                                         street_components.push(place.address.pedestrian);
 163                                 }
 164                                 if (place.address.house_number) {
 165                                         street_components.unshift(place.address.house_number);
 166                                 }
 167                                 if (return_location.street === '' && street_components.length > 0) {
 168                                         return_location.street = street_components.join(' ');
 169                                 }
 170                                 return_location.point = new L.LatLng(place.lat, place.lon);
 171                         }
 172                 }
 173                 this.fire('complete', {result: return_location});
 174                 this._user_callback(return_location);
 175         }
 176 });