[PLUGINS] +set de base

[lhc/web/www.git] / www / plugins / gis / javascript / gis_geocoder.js

diff --git a/www/plugins/gis/javascript/gis_geocoder.js b/www/plugins/gis/javascript/gis_geocoder.js
new file mode 100644 (file)
index 0000000..825b07d
--- /dev/null
+++ b/www/plugins/gis/javascript/gis_geocoder.js
@@ -0,0 +1,115 @@
+/*
+ * L.Geocoder is used to make geocoding or reverse geocoding requests.
+ */
+
+L.Geocoder = L.Class.extend({
+
+       includes: L.Mixin.Events,
+
+       options: {
+               forwardUrl: 'http://open.mapquestapi.com/nominatim/v1/search',
+               reverseUrl: 'http://open.mapquestapi.com/nominatim/v1/reverse',
+               limit: 1,
+               addressdetails: 1
+       },
+
+       initialize: function (callback, options) {
+               L.Util.setOptions(this, options);
+               this._user_callback = callback;
+       },
+
+       geocode: function (data) {
+               if (L.LatLng && (data instanceof L.LatLng)) {
+                       this._reverse_geocode(data);
+               } else if (typeof(data) == 'string') {
+                       this._geocode(data);
+               }
+       },
+
+       _geocode: function (text) {
+               this._request(
+                       this.options.forwardUrl,
+                       {
+                               format: 'json',
+                               q: text,
+                               limit: this.options.limit,
+                               addressdetails: this.options.addressdetails
+                       }
+               );
+       },
+
+       _reverse_geocode: function (latlng) {
+               this._request(
+                       this.options.reverseUrl,
+                       {
+                               format: 'json',
+                               lat: latlng.lat,
+                               lon: latlng.lng
+                       }
+               );
+       },
+
+       _request: function (url, data) {
+               $.ajax({
+                       cache: true,
+                       context: this,
+                       data: data,
+                       dataType: 'jsonp',
+                       jsonp: 'json_callback',
+                       success: this._callback,
+                       url: url
+               });
+       },
+       
+       _callback: function (response) {
+               var return_location = {};
+               if (response instanceof Array && !response.length) {
+                       return false;
+               } else {
+                       return_location.street = '';
+                       return_location.postcode = '';
+                       return_location.locality = '';
+                       return_location.region = '';
+                       return_location.country = '';
+                       
+                       if (response.length > 0) {
+                               place = response[0];
+                       } else {
+                               place = response;
+                       }
+                       
+                       var street_components = [];
+                       
+                       if (place.address.country) {
+                               return_location.country = place.address.country;
+                       }
+                       if (place.address.state) {
+                               return_location.region = place.address.state;
+                       }
+                       if (place.address.city) {
+                               return_location.locality = place.address.city;
+                       }else if(place.address.county){
+                               street_components.push(place.address.pedestrian);
+                       }
+                       if (place.address.postcode) {
+                               return_location.postcode = place.address.postcode;
+                       }
+                       if (place.address.road) {
+                               street_components.push(place.address.road);
+                       }else if(place.address.pedestrian){
+                               street_components.push(place.address.pedestrian);
+                       }
+                       if (place.address.house_number) {
+                               street_components.unshift(place.address.house_number);
+                       }
+                       
+                       if (return_location.street === '' && street_components.length > 0) {
+                               return_location.street = street_components.join(' ');
+                       }
+                       
+                       return_location.point = new L.LatLng(place.lat, place.lon);
+                       
+                       this._user_callback(return_location);
+               }
+       }
+});
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