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                         }
  52                 );
  53         },
  54
  55         _request: function (url, data) {
  56                 jQuery.ajax({
  57                         cache: true,
  58                         context: this,
  59                         data: data,
  60                         dataType: 'jsonp',
  61                         jsonp: 'json_callback',
  62                         success: this._callback,
  63                         url: url
  64                 });
  65         },
  66
  67         _callback: function (response,textStatus,jqXHR) {
  68                 var return_location = {};
  69                 if(this.options.search)
  70                         return_location.search = this.options.search;
  71                 if (response instanceof Array && !response.length) {
  72                         return_location.error = 'not found';
  73                 } else {
  74                         return_location.street = return_location.postcode = return_location.postcode =
  75                         return_location.locality = return_location.region = return_location.country  = '';
  76
  77                         if (response.length > 0)
  78                                 place = response[0];
  79                         else {
  80                                 place = response;
  81                         }
  82
  83                         var street_components = [];
  84
  85                         if (place.address.country) {
  86                                 return_location.country = place.address.country;
  87                         }
  88                         if (place.address.country_code) {
  89                                 return_location.country_code = place.address.country_code;
  90                         }
  91                         if (place.address.state) {
  92                                 return_location.region = place.address.state;
  93                         }
  94                         //un jour peut-être…
  95                         /*
  96                         if (place.address.county) {
  97                                 return_location.departement = place.address.county;
  98                         }
  99                         */
 100                         if (place.address.city) {
 101                                 return_location.locality = place.address.city;
 102                         }else if(place.address.county){
 103                                 street_components.push(place.address.pedestrian);
 104                         }
 105                         if (place.address.postcode) {
 106                                 return_location.postcode = place.address.postcode;
 107                         }
 108                         if (place.address.road) {
 109                                 street_components.push(place.address.road);
 110                         }else if(place.address.pedestrian){
 111                                 street_components.push(place.address.pedestrian);
 112                         }
 113                         if (place.address.house_number) {
 114                                 street_components.unshift(place.address.house_number);
 115                         }
 116
 117                         if (return_location.street === '' && street_components.length > 0) {
 118                                 return_location.street = street_components.join(' ');
 119                         }
 120
 121                         return_location.point = new L.LatLng(place.lat, place.lon);
 122                 }
 123                 this._user_callback(return_location);
 124         }
 125 });