+ /// Defines the calculated double value
+ MODEL_EXPORT virtual void setCalculatedValue(const double theValue);
+
+ /// Defines the text value
+ MODEL_EXPORT virtual void setText(const std::wstring& theText);
+
+ /// Returns the text value
+ MODEL_EXPORT virtual std::wstring text();
+
+ /// Allows to set expression (text) as invalid (by the parameters listener)
+ MODEL_EXPORT virtual void setExpressionInvalid(const bool theFlag);
+
+ /// Returns true if text is invalid
+ MODEL_EXPORT virtual bool expressionInvalid();
+
+ /// Allows to set expression (text) error (by the parameters listener)
+ MODEL_EXPORT virtual void setExpressionError(const std::string& theError);
+
+ /// Returns an expression error
+ MODEL_EXPORT virtual std::string expressionError();
+
+ /// Defines the used parameters
+ MODEL_EXPORT virtual void setUsedParameters(const std::set<std::wstring>& theUsedParameters);
+
+ /// Returns the used parameters
+ MODEL_EXPORT virtual std::set<std::wstring> usedParameters() const;
+