Stop creating a shared global querystring variable

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

diff --git a/app/assets/javascripts/osm.js.erb b/app/assets/javascripts/osm.js.erb
index 382e32bdfde5d2285b065a685378bb796514eeb5..391ba64ef6a63c91ee055cc537d6fb83c8dfc10c 100644 (file)
--- a/app/assets/javascripts/osm.js.erb
+++ b/app/assets/javascripts/osm.js.erb
@@ -1,13 +1,40 @@
+//= depend_on settings.yml
+//= depend_on settings.local.yml
+//= require querystring
+
 OSM = {
 <% if defined?(PIWIK) %>
-  PIWIK:                 <%= PIWIK.to_json %>,
+  PIWIK:                   <%= PIWIK.to_json %>,
+<% end %>
+
+  MAX_REQUEST_AREA:        <%= Settings.max_request_area.to_json %>,
+  SERVER_PROTOCOL:         <%= Settings.server_protocol.to_json %>,
+  SERVER_URL:              <%= Settings.server_url.to_json %>,
+  API_VERSION:             <%= Settings.api_version.to_json %>,
+  STATUS:                  <%= Settings.status.to_json %>,
+  MAX_NOTE_REQUEST_AREA:   <%= Settings.max_note_request_area.to_json %>,
+  OVERPASS_URL:            <%= Settings.overpass_url.to_json %>,
+  NOMINATIM_URL:           <%= Settings.nominatim_url.to_json %>,
+  GRAPHHOPPER_URL:         <%= Settings.graphhopper_url.to_json %>,
+  FOSSGIS_OSRM_URL:        <%= Settings.fossgis_osrm_url.to_json %>,
+  DEFAULT_LOCALE:          <%= I18n.default_locale.to_json %>,
+
+<% if Settings.key?(:thunderforest_key) %>
+  THUNDERFOREST_KEY:       <%= Settings.thunderforest_key.to_json %>,
 <% end %>
 
-  MAX_REQUEST_AREA:      <%= MAX_REQUEST_AREA.to_json %>,
-  SERVER_URL:            <%= SERVER_URL.to_json %>,
-  API_VERSION:           <%= API_VERSION.to_json %>,
-  STATUS:                <%= STATUS.to_json %>,
-  MAX_NOTE_REQUEST_AREA: <%= MAX_NOTE_REQUEST_AREA.to_json %>,
+  MARKER_GREEN:            <%= image_path("marker-green.png").to_json %>,
+  MARKER_RED:              <%= image_path("marker-red.png").to_json %>,
+
+  MARKER_ICON:             <%= image_path("images/marker-icon.png").to_json %>,
+  MARKER_ICON_2X:          <%= image_path("images/marker-icon-2x.png").to_json %>,
+  MARKER_SHADOW:           <%= image_path("images/marker-shadow.png").to_json %>,
+
+  NEW_NOTE_MARKER:         <%= image_path("new_note_marker.png").to_json %>,
+  OPEN_NOTE_MARKER:        <%= image_path("open_note_marker.png").to_json %>,
+  CLOSED_NOTE_MARKER:      <%= image_path("closed_note_marker.png").to_json %>,
+
+  SEARCHING:               <%= image_path("searching.gif").to_json %>,
 
   apiUrl: function (object) {
     var url = "/api/" + OSM.API_VERSION + "/" + object.type + "/" + object.id;
@@ -31,7 +58,12 @@ OSM = {
         j = pair.indexOf('='),
         key = pair.slice(0, j),
         val = pair.slice(++j);
-      params[key] = decodeURIComponent(val);
+
+      try {
+        params[key] = decodeURIComponent(val);
+      } catch (e) {
+        // Ignore parse exceptions
+      }
     }
 
     return params;
@@ -71,10 +103,6 @@ OSM = {
       mapParams.bounds = L.latLngBounds(
         [parseFloat(params.minlat), parseFloat(params.minlon)],
         [parseFloat(params.maxlat), parseFloat(params.maxlon)]);
-    } else if (params.lon && params.lat) {
-      mapParams.lon = parseFloat(params.lon);
-      mapParams.lat = parseFloat(params.lat);
-      mapParams.zoom = parseInt(params.zoom || 5);
     } else if (params.mlon && params.mlat) {
       mapParams.lon = parseFloat(params.mlon);
       mapParams.lat = parseFloat(params.mlat);
@@ -111,7 +139,8 @@ OSM = {
   },
 
   parseHash: function(hash) {
-    var args = {};
+    var querystring = require("querystring-component"),
+        args = {};
 
     var i = hash.indexOf('#');
     if (i < 0) {
@@ -165,7 +194,29 @@ OSM = {
     return hash;
   },
 
-  zoomPrecision: function (zoom) {
+  zoomPrecision: function(zoom) {
     return Math.max(0, Math.ceil(Math.log(zoom) / Math.LN2));
+  },
+
+  locationCookie: function(map) {
+    var center = map.getCenter().wrap(),
+      zoom = map.getZoom(),
+      precision = OSM.zoomPrecision(zoom);
+    return [center.lng.toFixed(precision), center.lat.toFixed(precision), zoom, map.getLayersCode()].join('|');
+  },
+
+  distance: function(latlng1, latlng2) {
+    var lat1 = latlng1.lat * Math.PI / 180,
+      lng1 = latlng1.lng * Math.PI / 180,
+      lat2 = latlng2.lat * Math.PI / 180,
+      lng2 = latlng2.lng * Math.PI / 180,
+      latdiff = lat2 - lat1,
+      lngdiff = lng2 - lng1;
+
+    return 6372795 * 2 * Math.asin(
+      Math.sqrt(
+        Math.pow(Math.sin(latdiff / 2), 2) +
+        Math.cos(lat1) * Math.cos(lat2) * Math.pow(Math.sin(lngdiff / 2), 2)
+      ));
   }
 };