1 // Copyright (C) 2014-2017 CEA/DEN, EDF R&D
3 // This library is free software; you can redistribute it and/or
4 // modify it under the terms of the GNU Lesser General Public
5 // License as published by the Free Software Foundation; either
6 // version 2.1 of the License, or (at your option) any later version.
8 // This library is distributed in the hope that it will be useful,
9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 // Lesser General Public License for more details.
13 // You should have received a copy of the GNU Lesser General Public
14 // License along with this library; if not, write to the Free Software
15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com<mailto:webmaster.salome@opencascade.com>
20 #ifndef ModelAPI_Session_H_
21 #define ModelAPI_Session_H_
28 class ModelAPI_Feature;
29 class ModelAPI_Plugin;
30 class ModelAPI_Document;
31 class ModelAPI_ValidatorsFactory;
33 /**\class ModelAPI_Session
35 * \brief Object that knows (from the initial XML file) which
36 * plugin contains which feature, loads and stores reference to loaded plugins by
37 * the feature functionality request.
40 class MODELAPI_EXPORT ModelAPI_Session
43 /// Returns the real implementation (the alone instance per application) of the plugin manager
44 static std::shared_ptr<ModelAPI_Session> get();
46 //! Loads the OCAF document from the file.
47 //! \param theFileName full name of the file to load
48 //! \returns true if file was loaded successfully
49 virtual bool load(const char* theFileName) = 0;
51 //! Saves the OCAF document to the file.
52 //! \param theFileName full name of the file to store
53 //! \param theResults the result full file names that were stored by "save"
54 //! \returns true if file was stored successfully
55 virtual bool save(const char* theFileName, std::list<std::string>& theResults) = 0;
57 //! Closes all documents
58 virtual void closeAll() = 0;
60 //! Starts a new operation (opens a transaction)
61 //! \param theId of operation for history (optional)
62 //! \param theAttachedToNested if it is true,
63 //! it means that this transaction is attached to the nested
64 //! where it is located and will be committed on the next commit with the nested
65 virtual void startOperation(
66 const std::string& theId = "", const bool theAttachedToNested = false) = 0;
67 //! Finishes the previously started operation (closes the transaction)
68 virtual void finishOperation() = 0;
69 //! Aborts the operation
70 virtual void abortOperation() = 0;
71 //! Returns true if operation has been started, but not yet finished or aborted
72 virtual bool isOperation() = 0;
73 //! Returns true if document was modified (since creation/opening)
74 virtual bool isModified() = 0;
76 //! Returns True if there are available Undos
77 virtual bool canUndo() = 0;
78 //! Undoes last operation
79 virtual void undo() = 0;
80 //! Returns True if there are available Redos
81 virtual bool canRedo() = 0;
82 //! Redoes last operation
83 virtual void redo() = 0;
84 //! Returns stack of performed operations (from last to first)
85 virtual std::list<std::string> undoList() = 0;
86 //! Returns stack of rolled back operations (from last rolled back to first)
87 virtual std::list<std::string> redoList() = 0;
89 /// Registers the plugin that creates features.
90 /// It is obligatory for each plugin to call this function on loading to be found by
91 /// the plugin manager on call of the feature)
92 virtual void registerPlugin(ModelAPI_Plugin* thePlugin) = 0;
94 /// Returns the root document of the application (that may contains sub-documents)
95 virtual std::shared_ptr<ModelAPI_Document> moduleDocument() = 0;
97 /// Returns the document by ID. Returns null if no such document.
98 virtual std::shared_ptr<ModelAPI_Document> document(int theDocID) = 0;
100 /// Return true if root document has been already created
101 virtual bool hasModuleDocument() = 0;
103 /// Returns the current document that used for current work in the application
104 virtual std::shared_ptr<ModelAPI_Document> activeDocument() = 0;
106 /// Defines the current document that used for current work in the application
107 virtual void setActiveDocument(
108 std::shared_ptr<ModelAPI_Document> theDoc, bool theSendSignal = true) = 0;
110 /// Returns all the opened documents of the session (without postponed)
111 virtual std::list<std::shared_ptr<ModelAPI_Document> > allOpenedDocuments() = 0;
113 /// Returns true if document is not loaded yet
114 virtual bool isLoadByDemand(const std::string theDocID) = 0;
116 /// Copies the document to the new one with the given id
117 virtual std::shared_ptr<ModelAPI_Document> copy(
118 std::shared_ptr<ModelAPI_Document> theSource, const int theDestID) =0;
120 /// Returns the validators factory: the only one instance per application
121 virtual ModelAPI_ValidatorsFactory* validators() = 0;
123 /// To virtually destroy the fields of successors
124 virtual ~ModelAPI_Session()
128 /// Returns the global identifier of the current transaction (needed for the update algo)
129 virtual int transactionID() = 0;
132 /// Sets the session interface implementation (once per application launch)
133 static void setSession(std::shared_ptr<ModelAPI_Session> theManager);
136 typedef std::shared_ptr<ModelAPI_Session> SessionPtr;