virtual bool isViewerSelector() { return true; }
/// Activate or deactivate selection and selection filters
virtual bool isViewerSelector() { return true; }
/// Activate or deactivate selection and selection filters
/// Checks the widget validity. By default, it returns true.
/// \param thePrs a selected presentation in the view
/// Checks the widget validity. By default, it returns true.
/// \param thePrs a selected presentation in the view