MODELAPI_EXPORT virtual std::string attributeType();
/// Appends the feature to the end of a list
- MODELAPI_EXPORT virtual void append(ObjectPtr theObject) = 0;
+ virtual void append(ObjectPtr theObject) = 0;
/// Erases the first meet of the feature in the list
- MODELAPI_EXPORT virtual void remove(ObjectPtr theObject) = 0;
+ virtual void remove(ObjectPtr theObject) = 0;
/// Removes all references from the list
- MODELAPI_EXPORT virtual void clear() = 0;
+ virtual void clear() = 0;
/// Returns number of features in the list
- MODELAPI_EXPORT virtual int size() const = 0;
+ ///\param theWithEmpty if it is false, returns the number of not-empty referenced objects
+ virtual int size(const bool theWithEmpty = true) const = 0;
/// Returns the list of features
- MODELAPI_EXPORT virtual std::list<ObjectPtr> list() = 0;
+ virtual std::list<ObjectPtr> list() = 0;
- /// Returns the referenced object by the zero-based index
- MODELAPI_EXPORT virtual ObjectPtr object(const int theIndex) const = 0;
+ /// Returns true if the object is in list
+ virtual bool isInList(const ObjectPtr& theObj) = 0;
+
+ /// Returns the referenced object by the zero-based index
+ ///\param theIndex zero-based index in the list
+ ///\param theWithEmpty if it is false, counts the not-empty referenced objects only
+ virtual ObjectPtr object(const int theIndex, const bool theWithEmpty = true) const = 0;
+
+ /// Substitutes the object by another one. Does nothing if such object is not found.
+ virtual void substitute(const ObjectPtr& theCurrent, const ObjectPtr& theNew) = 0;
+
+ /// Substitutes the object by another one and back. So, features wil become exchanged in the list
+ virtual void exchange(const ObjectPtr& theObject1, const ObjectPtr& theObject2) = 0;
+
+ /// Removes the last element in the list.
+ virtual void removeLast() = 0;
MODELAPI_EXPORT virtual ~ModelAPI_AttributeRefList();
protected: