1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D
3 // File: ModelAPI_Session.hxx
4 // Created: 20 Mar 2014
5 // Author: Mikhail PONIKAROV
7 #ifndef ModelAPI_Session_H_
8 #define ModelAPI_Session_H_
15 class ModelAPI_Feature;
16 class ModelAPI_Plugin;
17 class ModelAPI_Document;
18 class ModelAPI_ValidatorsFactory;
20 /**\class ModelAPI_Session
22 * \brief Object that knows (from the initial XML file) which
23 * plugin contains which feature, loads and stores reference to loaded plugins by
24 * the feature functionality request.
27 class MODELAPI_EXPORT ModelAPI_Session
30 /// Returns the real implementation (the alone instance per application) of the plugin manager
31 static std::shared_ptr<ModelAPI_Session> get();
33 //! Loads the OCAF document from the file.
34 //! \param theFileName full name of the file to load
35 //! \returns true if file was loaded successfully
36 virtual bool load(const char* theFileName) = 0;
38 //! Saves the OCAF document to the file.
39 //! \param theFileName full name of the file to store
40 //! \param theResults the result full file names that were stored by "save"
41 //! \returns true if file was stored successfully
42 virtual bool save(const char* theFileName, std::list<std::string>& theResults) = 0;
44 //! Closes all documents
45 virtual void closeAll() = 0;
47 //! Starts a new operation (opens a transaction)
48 //! \param theId of operation for history (optional)
49 //! \param theAttachedToNested if it is true,
50 //! it means that this transaction is attached to the nested
51 //! where it is located and will be committed on the next commit with the nested
52 virtual void startOperation(
53 const std::string& theId = "", const bool theAttachedToNested = false) = 0;
54 //! Finishes the previously started operation (closes the transaction)
55 virtual void finishOperation() = 0;
56 //! Aborts the operation
57 virtual void abortOperation() = 0;
58 //! Returns true if operation has been started, but not yet finished or aborted
59 virtual bool isOperation() = 0;
60 //! Returns true if document was modified (since creation/opening)
61 virtual bool isModified() = 0;
63 //! Returns True if there are available Undos
64 virtual bool canUndo() = 0;
65 //! Undoes last operation
66 virtual void undo() = 0;
67 //! Returns True if there are available Redos
68 virtual bool canRedo() = 0;
69 //! Redoes last operation
70 virtual void redo() = 0;
71 //! Returns stack of performed operations (from last to first)
72 virtual std::list<std::string> undoList() = 0;
73 //! Returns stack of rolled back operations (from last rolled back to first)
74 virtual std::list<std::string> redoList() = 0;
76 /// Registers the plugin that creates features.
77 /// It is obligatory for each plugin to call this function on loading to be found by
78 /// the plugin manager on call of the feature)
79 virtual void registerPlugin(ModelAPI_Plugin* thePlugin) = 0;
81 /// Returns the root document of the application (that may contains sub-documents)
82 virtual std::shared_ptr<ModelAPI_Document> moduleDocument() = 0;
84 /// Returns the document by ID. Returns null if no such document.
85 virtual std::shared_ptr<ModelAPI_Document> document(int theDocID) = 0;
87 /// Return true if root document has been already created
88 virtual bool hasModuleDocument() = 0;
90 /// Returns the current document that used for current work in the application
91 virtual std::shared_ptr<ModelAPI_Document> activeDocument() = 0;
93 /// Defines the current document that used for current work in the application
94 virtual void setActiveDocument(
95 std::shared_ptr<ModelAPI_Document> theDoc, bool theSendSignal = true) = 0;
97 /// Returns all the opened documents of the session (without postponed)
98 virtual std::list<std::shared_ptr<ModelAPI_Document> > allOpenedDocuments() = 0;
100 /// Returns true if document is not loaded yet
101 virtual bool isLoadByDemand(const std::string theDocID) = 0;
103 /// Copies the document to the new one with the given id
104 virtual std::shared_ptr<ModelAPI_Document> copy(
105 std::shared_ptr<ModelAPI_Document> theSource, const int theDestID) =0;
107 /// Returns the validators factory: the only one instance per application
108 virtual ModelAPI_ValidatorsFactory* validators() = 0;
110 /// To virtually destroy the fields of successors
111 virtual ~ModelAPI_Session()
115 /// Returns the global identifier of the current transaction (needed for the update algo)
116 virtual int transactionID() = 0;
119 /// Sets the session interface implementation (once per application launch)
120 static void setSession(std::shared_ptr<ModelAPI_Session> theManager);
123 typedef std::shared_ptr<ModelAPI_Session> SessionPtr;