/// \param theParent the parent object
/// \param theWorkshop instance of workshop interface
/// \param theData the widget configuation. The attribute of the model widget is obtained from
/// \param theParent the parent object
/// \param theWorkshop instance of workshop interface
/// \param theData the widget configuation. The attribute of the model widget is obtained from
/// Checks the widget validity. By default, it returns true.
/// \param thePrs a selected presentation in the view
/// \return a boolean value
/// Checks the widget validity. By default, it returns true.
/// \param thePrs a selected presentation in the view
/// \return a boolean value
/// Return an object and geom shape by the viewer presentation
/// \param thePrs a selection
/// \param theObject an output object
/// \param theShape a shape of the selection
/// Return an object and geom shape by the viewer presentation
/// \param thePrs a selection
/// \param theObject an output object
/// \param theShape a shape of the selection
/// It should be realized in the specific widget because of different
/// parameters of the current attribute
/// \param theValid a boolean flag, if restore happens for valid parameters
/// It should be realized in the specific widget because of different
/// parameters of the current attribute
/// \param theValid a boolean flag, if restore happens for valid parameters