Preserve in progress note comments when the map is moved

[rails.git] / app / assets / javascripts / map.js.erb

diff --git a/app/assets/javascripts/map.js.erb b/app/assets/javascripts/map.js.erb
index 393e9cae7d3e88f3b3a01b718e084fe37a8934e2..8591e260a10b830480ffd5a963ed11db2a52877b 100644 (file)
--- a/app/assets/javascripts/map.js.erb
+++ b/app/assets/javascripts/map.js.erb
@@ -1,5 +1,5 @@
 // Leaflet extensions
 // Leaflet extensions

-L.LatLngBounds.include({
+L.extend(L.LatLngBounds.prototype, {

   getSouthLat: function () {
     return this._southWest.lat;
   },
   getSouthLat: function () {
     return this._southWest.lat;
   },


@@ -29,10 +29,14 @@ L.LatLngBounds.include({
   getSize: function () {
     return (this._northEast.lat - this._southWest.lat) *
            (this._northEast.lng - this._southWest.lng);
   getSize: function () {
     return (this._northEast.lat - this._southWest.lat) *
            (this._northEast.lng - this._southWest.lng);

+  },
+
+  wrap: function () {
+    return new L.LatLngBounds(this._southWest.wrap(), this._northEast.wrap());

   }
 });
 
   }
 });
 

-L.Bounds.include({
+L.extend(L.Bounds.prototype, {

   getWidth: function () {
    return this.max.x - this.min.x;
   },
   getWidth: function () {
    return this.max.x - this.min.x;
   },


@@ -45,6 +49,8 @@ L.Bounds.include({
 L.Icon.Default.imagePath = <%= "#{asset_prefix}/images".to_json %>;
 
 var map;
 L.Icon.Default.imagePath = <%= "#{asset_prefix}/images".to_json %>;
 
 var map;

+var objectLayer;
+var objectLoader;

 
 var layers = [
   {
 
 var layers = [
   {


@@ -95,6 +101,7 @@ function createMap(divName, options) {
 
   if (options.layerControl) {
     layersControl.addTo(map);
 
   if (options.layerControl) {
     layersControl.addTo(map);

+    map.layersControl = layersControl;

   }
 
   for (var i = 0; i < layers.length; i++) {
   }
 
   for (var i = 0; i < layers.length; i++) {


@@ -123,11 +130,19 @@ function getUserIcon(url) {
 }
 
 function addObjectToMap(object, zoom, callback) {
 }
 
 function addObjectToMap(object, zoom, callback) {

-  $.ajax({
+  if (objectLoader) {
+    objectLoader.abort();
+  }
+
+  if (objectLayer) {
+    map.removeLayer(objectLayer);
+  }
+
+  objectLoader = $.ajax({

     url: OSM.apiUrl(object),
     dataType: "xml",
     success: function (xml) {
     url: OSM.apiUrl(object),
     dataType: "xml",
     success: function (xml) {

-      var layer = new L.OSM.DataLayer(xml, {
+      objectLayer = new L.OSM.DataLayer(xml, {

         style: {
           strokeColor: "blue",
           strokeWidth: 3,
         style: {
           strokeColor: "blue",
           strokeWidth: 3,


@@ -138,7 +153,7 @@ function addObjectToMap(object, zoom, callback) {
         }
       });
 
         }
       });
 

-      var bounds = layer.getBounds();
+      var bounds = objectLayer.getBounds();

 
       if (zoom) {
         map.fitBounds(bounds);
 
       if (zoom) {
         map.fitBounds(bounds);


@@ -148,7 +163,7 @@ function addObjectToMap(object, zoom, callback) {
         callback(bounds);
       }
 
         callback(bounds);
       }
 

-      layer.addTo(map);
+      objectLayer.addTo(map);

     }
   });
 }
     }
   });
 }


@@ -174,21 +189,26 @@ function getMapBaseLayer() {
 }
 
 function getMapLayers() {
 }
 
 function getMapLayers() {

+  var layerConfig = "";

   for (var i = 0; i < layers.length; i++) {
     if (map.hasLayer(layers[i].layer)) {
   for (var i = 0; i < layers.length; i++) {
     if (map.hasLayer(layers[i].layer)) {

-      return layers[i].layerCode;
+      layerConfig += layers[i].layerCode;

     }
   }
     }
   }

-
-  return "";
+  return layerConfig;

 }
 
 function setMapLayers(layerConfig) {
 }
 
 function setMapLayers(layerConfig) {

+  var foundLayer = false;

   for (var i = 0; i < layers.length; i++) {
     if (layerConfig.indexOf(layers[i].layerCode) >= 0) {
       map.addLayer(layers[i].layer);
   for (var i = 0; i < layers.length; i++) {
     if (layerConfig.indexOf(layers[i].layerCode) >= 0) {
       map.addLayer(layers[i].layer);

+      foundLayer = true;

     } else {
       map.removeLayer(layers[i].layer);
     }
   }
     } else {
       map.removeLayer(layers[i].layer);
     }
   }

+  if (!foundLayer) {
+    map.addLayer(layers[0].layer);
+  }

 }
 }