+ virtual std::shared_ptr<ModelAPI_Feature> feature(
+ const std::shared_ptr<ModelAPI_Result>& theResult) = 0;
+
+ //! Returns all features of the document including the hidden features which are not in
+ //! history. Not very fast method, for calling once, not in big cycles.
+ virtual std::list<std::shared_ptr<ModelAPI_Feature> > allFeatures() = 0;
+
+ //! Returns all objects of the document including the hidden features which are not in
+ //! history. Not very fast method, for calling once, not in big cycles.
+ virtual std::list<std::shared_ptr<ModelAPI_Object> > allObjects() = 0;
+
+ //! Creates a folder (group of the features in the object browser)
+ //! \param theAddBefore a feature, the folder is added before
+ //! (if empty, the folder is added after the last feature)
+ virtual std::shared_ptr<ModelAPI_Folder> addFolder(
+ std::shared_ptr<ModelAPI_Feature> theAddBefore = std::shared_ptr<ModelAPI_Feature>()) = 0;
+ //! Removes the folder from the document (all features in the folder will be kept).
+ virtual void removeFolder(std::shared_ptr<ModelAPI_Folder> theFolder) = 0;
+ //! Search a folder above the list of features applicable to store them
+ //! (it means the list of features stored in the folder should be consequential)
+ //! \return Empty pointer if there is no applicable folder
+ virtual std::shared_ptr<ModelAPI_Folder> findFolderAbove(
+ const std::list<std::shared_ptr<ModelAPI_Feature> >& theFeatures) = 0;
+ //! Search a folder below the list of features applicable to store them
+ //! (it means the list of features stored in the folder should be consequential)
+ //! \return Empty pointer if there is no applicable folder
+ virtual std::shared_ptr<ModelAPI_Folder> findFolderBelow(
+ const std::list<std::shared_ptr<ModelAPI_Feature> >& theFeatures) = 0;
+ //! Search a folder containing the given feature.
+ //! Additionally calculates a zero-based index of the feature in this folder.
+ //! \param theFeature feature to search
+ //! \param theIndexInFolder zero-based index in the folder or -1 if the feature is top-level.
+ //! \return the folder containing the feature or empty pointer if the feature is top-level.
+ virtual std::shared_ptr<ModelAPI_Folder> findContainingFolder(
+ const std::shared_ptr<ModelAPI_Feature>& theFeature,
+ int& theIndexInFolder) = 0;
+ //! Add a list of features to the folder. The correctness of the adding is not performed
+ //! (such checks have been done in corresponding find.. method).
+ //! \return \c true if the movement is successful
+ virtual bool moveToFolder(const std::list<std::shared_ptr<ModelAPI_Feature> >& theFeatures,
+ const std::shared_ptr<ModelAPI_Folder>& theFolder) = 0;
+ //! Remove features from the folder
+ //! \param theFeatures list of features to be removed
+ //! \param theBefore extract features before the folder (this parameter is applicable only
+ //! when all features in the folder are taking out,
+ //! in other cases the direction is taken automatically)
+ //! \return \c true if the features have been moved out
+ virtual bool removeFromFolder(
+ const std::list<std::shared_ptr<ModelAPI_Feature> >& theFeatures,
+ const bool theBefore = true) = 0;
+
+ //! Informs the document that it becomes active and some actions must be performed
+ virtual void setActive(const bool theFlag) = 0;
+ //! Returns true if this document is currently active
+ virtual bool isActive() const = 0;
+
+ /// Returns true if document is opened and valid
+ virtual bool isOpened() = 0;
+
+ /// Returns the feature that produced the given face of the given result.
+ virtual std::shared_ptr<ModelAPI_Feature> producedByFeature(
+ std::shared_ptr<ModelAPI_Result> theResult,
+ const std::shared_ptr<GeomAPI_Shape>& theShape) = 0;
+
+ /// Returns true if theLater is in history of features creation later than theCurrent
+ virtual bool isLater(std::shared_ptr<ModelAPI_Feature> theLater,
+ std::shared_ptr<ModelAPI_Feature> theCurrent) const = 0;
+
+ //! Internally makes document know that feature was removed or added in history after creation
+ MODELAPI_EXPORT virtual void updateHistory(const std::string theGroup) = 0;
+
+ /// Stores in the document boolean flags: states of the nodes in the object browser.
+ /// Normally is called outside of the transaction, just before "save".
+ MODELAPI_EXPORT virtual void storeNodesState(const std::list<bool>& theStates) = 0;
+
+ /// Returns the stored nodes states. Normally it is calls just after "open".
+ /// Appends the values to theStates list.
+ MODELAPI_EXPORT virtual void restoreNodesState(std::list<bool>& theStates) const = 0;
+
+ /// Just removes all features without touching the document data (to be able undo)
+ MODELAPI_EXPORT virtual void eraseAllFeatures() = 0;
+
+ /// Returns the next (from the history point of view) feature, any: invisible or disabled
+ /// \param theCurrent previous to the resulting feature
+ /// \param theReverse if it is true, iterates in reversed order (next becomes previous)
+ MODELAPI_EXPORT virtual std::shared_ptr<ModelAPI_Feature> nextFeature(
+ std::shared_ptr<ModelAPI_Feature> theCurrent, const bool theReverse = false) const = 0;
+
+ /// Loads the OCAF document from the file into the current document.
+ /// All the features are added after the active feature.
+ /// \param theFileName name of the file to import
+ /// \param theImported list of features imported from the file
+ /// \param theCheckOnly verify the document does not contain unappropriate features
+ /// (useful for import to PartSet), but do not import it
+ /// \returns true if file was loaded successfully
+ MODELAPI_EXPORT virtual bool importPart(const char* theFileName,
+ std::list<std::shared_ptr<ModelAPI_Feature> >& theImported,
+ bool theCheckOnly = false) = 0;
+
+ /// Export the list of features to the file
+ /// \param theFilename path to save the file
+ /// \param theExportFeatures list of features to export
+ MODELAPI_EXPORT virtual bool save(const char* theFilename,
+ const std::list<std::shared_ptr<ModelAPI_Feature> >& theExportFeatures) const = 0;