+ ///
+ bool initialiseParams(std::string const & data);
+ /// clean-up on hide.
+ void clearParams() { params_.clear(); }
+ /// clean-up on hide.
+ void dispatchParams();
+ ///
+ bool isBufferDependent() const { return true; }
+ ///
+ void enableView(bool enable);
+ ///
+ bool canApply() const { return true; }