/**\class Model_AttributeRefList
* \ingroup DataModel
* \brief Attribute that contains list of references to features (located in the same document).
+ * For the current moment it does not support references to objects in other documents.
*/
class Model_AttributeRefList : public ModelAPI_AttributeRefList
MODEL_EXPORT virtual void remove(ObjectPtr theObject);
/// Returns number of features in the list
- MODEL_EXPORT virtual int size() const;
+ ///\param theWithEmpty if it is false, returns the number of not-empty referenced objects
+ MODEL_EXPORT virtual int size(const bool theWithEmpty = true) const;
+
+ /// Removes all references from the list
+ MODEL_EXPORT virtual void clear();
/// Returns the list of features
MODEL_EXPORT virtual std::list<ObjectPtr> list();
+ /// Returns true if the object is in list
+ MODEL_EXPORT virtual bool isInList(const ObjectPtr& theObj);
+
/// Returns the list of features
- MODEL_EXPORT virtual ObjectPtr object(const int theIndex) const;
+ ///\param theIndex zero-based index in the list
+ ///\param theWithEmpty if it is false, counts the not-empty referenced objects only
+ MODEL_EXPORT virtual ObjectPtr object(const int theIndex, const bool theWithEmpty = true) const;
+
+ /// Substitutes the feature by another one. Does nothing if such object is not found.
+ MODEL_EXPORT virtual void substitute(const ObjectPtr& theCurrent, const ObjectPtr& theNew);
+
+ /// Substitutes the object by another one and back. So, features will become exchanged in the list
+ MODEL_EXPORT virtual void exchange(const ObjectPtr& theObject1, const ObjectPtr& theObject2);
+
+ /// Removes the last element in the list.
+ MODEL_EXPORT virtual void removeLast();
/// Returns true if attribute was initialized by some value
MODEL_EXPORT virtual bool isInitialized();
