+ /// \param theIndex index of the attribute in the internal data structure, for not-floating
+ /// attributes it is -1 to let it automatically be added
+ /// \returns the just created attribute
+ virtual std::shared_ptr<ModelAPI_Attribute> addAttribute(
+ const std::string& theID, const std::string theAttrType, const int theIndex = -1) = 0;
+
+ /// Adds a floating attribute (that may be added/removed during the data life)
+ /// \param theID identifier of the attribute that can be referenced by this ID later
+ /// \param theAttrType type of the created attribute (received from the type method)
+ /// \param theGroup identifier of the group this attribute belongs to, may be an empty string
+ virtual std::shared_ptr<ModelAPI_Attribute>
+ addFloatingAttribute(const std::string& theID, const std::string theAttrType,
+ const std::string& theGroup) = 0;
+
+ /// Returns all groups of this data (ordered).
+ virtual void allGroups(std::list<std::string>& theGroups) = 0;
+
+ /// Returns an ordered list of attributes that belong to the given group
+ virtual void attributesOfGroup(const std::string& theGroup,
+ std::list<std::shared_ptr<ModelAPI_Attribute> >& theAttrs) = 0;
+
+ /// Remove all attributes of the given group
+ virtual void removeAttributes(const std::string& theGroup) = 0;