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170 lines
6.2 KiB
170 lines
6.2 KiB
/*
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* Copyright (C) 2015-2016 Département de l'Instruction Publique (DIP-SEM)
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*
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* Copyright (C) 2013 Open Education Foundation
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*
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* Copyright (C) 2010-2013 Groupement d'Intérêt Public pour
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* l'Education Numérique en Afrique (GIP ENA)
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*
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* This file is part of OpenBoard.
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*
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* OpenBoard is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, version 3 of the License,
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* with a specific linking exception for the OpenSSL project's
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* "OpenSSL" library (or with modified versions of it that use the
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* same license as the "OpenSSL" library).
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*
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* OpenBoard is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with OpenBoard. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef UBPERSISTENCEMANAGER_H_
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#define UBPERSISTENCEMANAGER_H_
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#include <QtCore>
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#include "UBSceneCache.h"
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#include "UBPersistenceWorker.h"
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class UBDocument;
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class UBDocumentProxy;
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class UBGraphicsScene;
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class UBPersistenceManager : public QObject
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{
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Q_OBJECT
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private:
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UBPersistenceManager(QObject *pParent = 0);
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static UBPersistenceManager* sSingleton;
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public:
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virtual ~UBPersistenceManager();
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static const QString imageDirectory;
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static const QString objectDirectory;
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static const QString videoDirectory;
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static const QString audioDirectory;
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static const QString widgetDirectory;
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static const QString teacherGuideDirectory;
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static void shiftPagesToStartWithTheZeroOne(QString persistencePath);
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static UBPersistenceManager* persistenceManager();
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static void destroy();
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virtual UBDocumentProxy* createDocument(const QString& pGroupName = "", const QString& pName = "", bool withEmptyPage = true);
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virtual UBDocumentProxy* createDocumentFromDir(const QString& pDocumentDirectory, const QString& pGroupName = "", const QString& pName = "");
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virtual void persistDocumentMetadata(UBDocumentProxy* pDocumentProxy, bool forceImmediateSaving = false);
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virtual UBDocumentProxy* duplicateDocument(UBDocumentProxy* pDocumentProxy);
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virtual void deleteDocument(UBDocumentProxy* pDocumentProxy);
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virtual void deleteDocumentScenes(UBDocumentProxy* pDocumentProxy, const QList<int>& indexes);
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virtual void duplicateDocumentScene(UBDocumentProxy* pDocumentProxy, int index);
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virtual void persistDocumentScene(UBDocumentProxy* pDocumentProxy,
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UBGraphicsScene* pScene, const int pSceneIndex, bool isAnAutomaticBackup = false, bool forceImmediateSaving = false);
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virtual UBGraphicsScene* createDocumentSceneAt(UBDocumentProxy* pDocumentProxy, int index, bool useUndoRedoStack = true);
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virtual void insertDocumentSceneAt(UBDocumentProxy* pDocumentProxy, UBGraphicsScene* scene, int index);
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virtual void moveSceneToIndex(UBDocumentProxy* pDocumentProxy, int source, int target);
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virtual UBGraphicsScene* loadDocumentScene(UBDocumentProxy* pDocumentProxy, int sceneIndex);
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UBGraphicsScene *getDocumentScene(UBDocumentProxy* pDocumentProxy, int sceneIndex) {return mSceneCache.value(pDocumentProxy, sceneIndex);}
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QList<QPointer<UBDocumentProxy> > documentProxies;
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virtual QStringList allShapes();
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virtual QStringList allGips();
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virtual QStringList allImages(const QDir& dir);
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virtual QStringList allVideos(const QDir& dir);
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virtual QStringList allWidgets(const QDir& dir);
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QString generateUniqueDocumentPath();
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QString generateUniqueDocumentPath(const QString& baseFolder);
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bool addDirectoryContentToDocument(const QString& documentRootFolder, UBDocumentProxy* pDocument);
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virtual UBDocumentProxy* documentByUuid(const QUuid& pUuid);
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QStringList documentSubDirectories()
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{
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return mDocumentSubDirectories;
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}
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virtual bool isEmpty(UBDocumentProxy* pDocumentProxy);
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virtual void purgeEmptyDocuments();
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bool addGraphicsWidgetToDocument(UBDocumentProxy *mDocumentProxy, QString path, QUuid objectUuid, QString& destinationPath);
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bool addFileToDocument(UBDocumentProxy* pDocumentProxy, QString path, const QString& subdir, QUuid objectUuid, QString& destinationPath, QByteArray* data = NULL);
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signals:
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void documentCreated(UBDocumentProxy* pDocumentProxy);
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void documentMetadataChanged(UBDocumentProxy* pDocumentProxy);
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void documentWillBeDeleted(UBDocumentProxy* pDocumentProxy);
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void documentSceneCreated(UBDocumentProxy* pDocumentProxy, int pIndex);
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void documentSceneWillBeDeleted(UBDocumentProxy* pDocumentProxy, int pIndex);
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private:
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int sceneCount(const UBDocumentProxy* pDocumentProxy);
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static QStringList getSceneFileNames(const QString& folder);
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QList<QPointer<UBDocumentProxy> > allDocumentProxies();
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void renamePage(UBDocumentProxy* pDocumentProxy,
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const int sourceIndex, const int targetIndex);
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void copyPage(UBDocumentProxy* pDocumentProxy,
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const int sourceIndex, const int targetIndex);
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void generatePathIfNeeded(UBDocumentProxy* pDocumentProxy);
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void checkIfDocumentRepositoryExists();
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UBSceneCache mSceneCache;
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QStringList mDocumentSubDirectories;
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QMutex mDeletedListMutex;
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bool mHasPurgedDocuments;
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QList<UBDocumentProxy*> mDocumentCreatedDuringSession;
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QString mDocumentRepositoryPath;
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UBPersistenceWorker* mWorker;
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QThread* mThread;
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bool mIsWorkerFinished;
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private slots:
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void documentRepositoryChanged(const QString& path);
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void errorString(QString error);
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void onSceneLoaded(QByteArray,UBDocumentProxy*,int);
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void onWorkerFinished();
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void onScenePersisted(UBGraphicsScene* scene);
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void onMetadataPersisted(UBDocumentProxy* proxy);
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};
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#endif /* UBPERSISTENCEMANAGER_H_ */
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