OpenLayers.MouseListener.EditingListener.DrawLinearRing

  This mouseListener allows the user to draw a linear ring.

* Constructor
  OpenLayers.MouseListener.EditingListener.AddPathPoint() -- Creates a new control. No options available.

* Methods
  mouseDblClick -- none -- if user click close (distance lower than map.snappingTolerance) to a geometry segment on a current vector layer feature, a new vertex is added
  mouseDown -- none -- This event takes place when a mouseDown event occurs on the map.
  mouseMove -- none -- This event takes place when a mouseMove event occurs on the map.
  keyDown -- none -- This event takes place when a keyDown event occurs on the map.
  _finalizeGeometry -- none -- this method is called to update the edited geometry in the selected vector layer
  _eraseTmpElements -- none -- this method is called to erase all the temporary elements drawn in the interface during the creation of the geometry
  All other methods are inherited from {OpenLayers.MouseListener.EditingListener}