code: function(feature) {
          return this.geometryTypes == null ||
              OpenLayers.Util.indexOf(this.geometryTypes,
                                      feature.geometry.CLASS_NAME) > -1;
      }
docs: Method: geometryTypeMatches
  Return true if the geometry type of the passed feature matches
  one of the geometry types in the geometryTypes array.
  
  Parameters:
  feature - {<OpenLayers.Vector.Feature>}
  
  Returns:
  {Boolean}