var objectLoader;

function getUserIcon(url) {
  return L.icon({
    iconUrl: url || <%= asset_path('marker-red.png').to_json %>,
    iconSize: [25, 41],
    iconAnchor: [12, 41],
    popupAnchor: [1, -34],
    shadowUrl: <%= asset_path('images/marker-shadow.png').to_json %>,
    shadowSize: [41, 41]
  });
}

function addObjectToMap(object, map, options) {
  if (objectLoader) objectLoader.abort();
  if (map.objectLayer) map.removeLayer(map.objectLayer);

  objectLoader = $.ajax({
    url: OSM.apiUrl(object),
    dataType: "xml",
    success: function (xml) {
      map.objectLayer = new L.OSM.DataLayer(null, {
        styles: {
          node: options.style,
          way: options.style,
          area: options.style
        }
      });

      map.objectLayer.interestingNode = function (node, ways, relations) {
        if (object.type === "node") {
          return true;
        } else if (object.type === "relation") {
          for (var i = 0; i < relations.length; i++)
            if (relations[i].members.indexOf(node) != -1)
              return true;
        } else {
          return false;
        }
      };

      map.objectLayer.addData(xml);

      if (options.zoom) map.fitBounds(map.objectLayer.getBounds());
      if (options.callback) options.callback(map.objectLayer.getBounds());

      map.objectLayer.addTo(map);
    }
  });
}