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OpenBoard/src/core/UBPersistenceManager.cpp

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33 KiB

/*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "UBPersistenceManager.h"
#include "gui/UBMainWindow.h"
#include <QtXml>
#include "frameworks/UBPlatformUtils.h"
#include "frameworks/UBFileSystemUtils.h"
#include "core/UBApplication.h"
#include "core/UBSettings.h"
#include "core/UBSetting.h"
#include "document/UBDocumentProxy.h"
#include "adaptors/UBExportPDF.h"
#include "adaptors/UBSvgSubsetAdaptor.h"
#include "adaptors/UBThumbnailAdaptor.h"
#include "adaptors/UBMetadataDcSubsetAdaptor.h"
#include "core/memcheck.h"
const QString UBPersistenceManager::imageDirectory = "images"; // added to UBPersistenceManager::mAllDirectories
const QString UBPersistenceManager::objectDirectory = "objects"; // added to UBPersistenceManager::mAllDirectories
const QString UBPersistenceManager::widgetDirectory = "widgets"; // added to UBPersistenceManager::mAllDirectories
const QString UBPersistenceManager::videoDirectory = "videos"; // added to UBPersistenceManager::mAllDirectories
const QString UBPersistenceManager::audioDirectory = "audios"; // added to
UBPersistenceManager * UBPersistenceManager::sSingleton = 0;
UBPersistenceManager::UBPersistenceManager(QObject *pParent)
: QObject(pParent)
, mHasPurgedDocuments(false)
{
mDocumentSubDirectories << imageDirectory;
mDocumentSubDirectories << objectDirectory;
mDocumentSubDirectories << widgetDirectory;
mDocumentSubDirectories << videoDirectory;
mDocumentSubDirectories << audioDirectory;
documentProxies = allDocumentProxies();
emit proxyListChanged();
}
UBPersistenceManager* UBPersistenceManager::persistenceManager()
{
if (!sSingleton)
{
sSingleton = new UBPersistenceManager(UBApplication::staticMemoryCleaner);
}
return sSingleton;
}
void UBPersistenceManager::destroy()
{
if (sSingleton)
delete sSingleton;
sSingleton = NULL;
}
UBPersistenceManager::~UBPersistenceManager()
{
foreach(QPointer<UBDocumentProxy> proxyGuard, documentProxies)
{
if (!proxyGuard.isNull())
delete proxyGuard.data();
}
}
QList<QPointer<UBDocumentProxy> > UBPersistenceManager::allDocumentProxies()
{
mDocumentRepositoryPath = UBSettings::settings()->uniboardDocumentDirectory();
QDir rootDir(mDocumentRepositoryPath);
rootDir.mkpath(rootDir.path());
QFileSystemWatcher* watcher = new QFileSystemWatcher(this);
watcher->addPath(mDocumentRepositoryPath);
connect(watcher, SIGNAL(directoryChanged(const QString&)), this, SLOT(documentRepositoryChanged(const QString&)));
QList<QPointer<UBDocumentProxy> > proxies;
foreach(QString path, rootDir.entryList(QDir::Dirs | QDir::NoDotAndDotDot,
QDir::Time | QDir::Reversed))
{
QString fullPath = rootDir.path() + "/" + path;
QDir dir(fullPath);
if (dir.entryList(QDir::Files | QDir::NoDotAndDotDot).size() > 0)
{
UBDocumentProxy* proxy = new UBDocumentProxy(fullPath); // deleted in UBPersistenceManager::destructor
QMap<QString, QVariant> metadatas = UBMetadataDcSubsetAdaptor::load(fullPath);
foreach(QString key, metadatas.keys())
{
proxy->setMetaData(key, metadatas.value(key));
}
proxy->setPageCount(sceneCount(proxy));
proxies << QPointer<UBDocumentProxy>(proxy);
}
}
return proxies;
}
QStringList UBPersistenceManager::allShapes()
{
QString shapeLibraryPath = UBSettings::settings()->uniboardShapeLibraryDirectory();
QDir dir(shapeLibraryPath);
if (!dir.exists())
dir.mkpath(shapeLibraryPath);
QStringList files = dir.entryList(QDir::Files | QDir::NoDotAndDotDot, QDir::Name);
QStringList paths;
foreach(QString file, files)
{
paths.append(shapeLibraryPath + QString("/") + file);
}
return paths;
}
QStringList UBPersistenceManager::allGips()
{
QString gipLibraryPath = UBSettings::settings()->uniboardGipLibraryDirectory();
QDir dir(gipLibraryPath);
QStringList files = dir.entryList(QDir::Dirs | QDir::NoDotAndDotDot, QDir::Name);
QStringList paths;
foreach(QString file, files)
{
QFileInfo fi(file);
if (UBSettings::settings()->widgetFileExtensions.contains(fi.suffix()))
paths.append(dir.path() + QString("/") + file);
}
return paths;
}
QStringList UBPersistenceManager::allSounds()
{
QString soundLibraryPath = QDesktopServices::storageLocation(QDesktopServices::MusicLocation);
QDir dir(soundLibraryPath);
QStringList files = dir.entryList(QDir::Files | QDir::NoDotAndDotDot, QDir::Name);
QStringList paths;
foreach(QString file, files)
{
QFileInfo fi(file);
paths.append(dir.path() + QString("/") + file);
}
return paths;
}
QStringList UBPersistenceManager::allImages(const QDir& dir)
{
if (!dir.exists())
dir.mkpath(dir.path());
QStringList files = dir.entryList(QDir::Files | QDir::Hidden | QDir::NoDotAndDotDot, QDir::Name);
QStringList paths;
foreach(QString file, files)
{
paths.append(dir.path() + QString("/") + file);
}
return paths;
}
QStringList UBPersistenceManager::allVideos(const QDir& dir)
{
if (!dir.exists())
dir.mkpath(dir.path());
QStringList files = dir.entryList(QDir::Files | QDir::NoDotAndDotDot, QDir::Name);
QStringList paths;
foreach(QString file, files)
{
paths.append(dir.path() + QString("/") + file);
}
return paths;
}
QStringList UBPersistenceManager::allWidgets(const QDir& dir)
{
if (!dir.exists())
dir.mkpath(dir.path());
QStringList files = dir.entryList(QDir::Dirs | QDir::NoDotAndDotDot, QDir::Name);
QStringList paths;
foreach(QString file, files)
{
QFileInfo fi(file);
if (UBSettings::settings()->widgetFileExtensions.contains(fi.suffix()))
paths.append(dir.path() + QString("/") + file);
}
return paths;
}
UBDocumentProxy* UBPersistenceManager::createDocument(const QString& pGroupName, const QString& pName, bool withEmptyPage)
{
checkIfDocumentRepositoryExists();
UBDocumentProxy *doc = new UBDocumentProxy(); // deleted in UBPersistenceManager::destructor
if (pGroupName.length() > 0)
{
doc->setMetaData(UBSettings::documentGroupName, pGroupName);
}
if (pName.length() > 0)
{
doc->setMetaData(UBSettings::documentName, pName);
}
doc->setMetaData(UBSettings::documentVersion, UBSettings::currentFileVersion);
doc->setMetaData(UBSettings::documentUpdatedAt, UBStringUtils::toUtcIsoDateTime(QDateTime::currentDateTime()));
if (withEmptyPage) createDocumentSceneAt(doc, 0);
documentProxies.insert(0, QPointer<UBDocumentProxy>(doc));
emit proxyListChanged();
emit documentCreated(doc);
mDocumentCreatedDuringSession << doc;
return doc;
}
UBDocumentProxy* UBPersistenceManager::createDocumentFromDir(const QString& pDocumentDirectory)
{
checkIfDocumentRepositoryExists();
UBDocumentProxy* doc = new UBDocumentProxy(pDocumentDirectory); // deleted in UBPersistenceManager::destructor
QMap<QString, QVariant> metadatas = UBMetadataDcSubsetAdaptor::load(pDocumentDirectory);
foreach(QString key, metadatas.keys())
{
doc->setMetaData(key, metadatas.value(key));
}
doc->setUuid(QUuid::createUuid());
doc->setPageCount(sceneCount(doc));
UBMetadataDcSubsetAdaptor::persist(doc);
for(int i = 0; i < doc->pageCount(); i++)
{
UBSvgSubsetAdaptor::setSceneUuid(doc, i, QUuid::createUuid());
}
documentProxies << QPointer<UBDocumentProxy>(doc);
emit proxyListChanged();
emit documentCreated(doc);
return doc;
}
void UBPersistenceManager::deleteDocument(UBDocumentProxy* pDocumentProxy)
{
checkIfDocumentRepositoryExists();
emit documentWillBeDeleted(pDocumentProxy);
UBFileSystemUtils::deleteDir(pDocumentProxy->persistencePath());
documentProxies.removeAll(QPointer<UBDocumentProxy>(pDocumentProxy));
mDocumentCreatedDuringSession.removeAll(pDocumentProxy);
mSceneCache.removeAllScenes(pDocumentProxy);
pDocumentProxy->deleteLater();
emit proxyListChanged();
}
UBDocumentProxy* UBPersistenceManager::duplicateDocument(UBDocumentProxy* pDocumentProxy)
{
checkIfDocumentRepositoryExists();
UBDocumentProxy *copy = new UBDocumentProxy(); // deleted in UBPersistenceManager::destructor
generatePathIfNeeded(copy);
UBFileSystemUtils::copyDir(pDocumentProxy->persistencePath(), copy->persistencePath());
// regenerate scenes UUIDs
for(int i = 0; i < pDocumentProxy->pageCount(); i++)
{
UBSvgSubsetAdaptor::setSceneUuid(pDocumentProxy, i, QUuid::createUuid());
}
foreach(QString key, pDocumentProxy->metaDatas().keys())
{
copy->setMetaData(key, pDocumentProxy->metaDatas().value(key));
}
copy->setMetaData(UBSettings::documentName,
pDocumentProxy->metaData(UBSettings::documentName).toString() + " " + tr("(copy)"));
copy->setUuid(QUuid::createUuid());
persistDocumentMetadata(copy);
copy->setPageCount(sceneCount(copy));
documentProxies << QPointer<UBDocumentProxy>(copy);
emit proxyListChanged();
emit documentCreated(copy);
return copy;
}
void UBPersistenceManager::deleteDocumentScenes(UBDocumentProxy* proxy, const QList<int>& indexes)
{
checkIfDocumentRepositoryExists();
int pageCount = UBPersistenceManager::persistenceManager()->sceneCount(proxy);
QList<int> compactedIndexes;
foreach(int index, indexes)
{
if (!compactedIndexes.contains(index))
compactedIndexes.append(index);
}
if (compactedIndexes.size() == pageCount)
{
deleteDocument(proxy);
return;
}
if (compactedIndexes.size() == 0)
return;
foreach(int index, compactedIndexes)
{
emit documentSceneWillBeDeleted(proxy, index);
}
QString sourceGroupName = proxy->metaData(UBSettings::documentGroupName).toString();
QString sourceName = proxy->metaData(UBSettings::documentName).toString();
UBDocumentProxy *trashDocProxy = createDocument(UBSettings::trashedDocumentGroupNamePrefix + sourceGroupName, sourceName, false);
foreach(int index, compactedIndexes)
{
UBGraphicsScene *scene = loadDocumentScene(proxy, index);
if (scene)
{
//scene is about to move into new document
foreach (QUrl relativeFile, scene->relativeDependencies())
{
QString source = scene->document()->persistencePath() + "/" + relativeFile.toString();
QString target = trashDocProxy->persistencePath() + "/" + relativeFile.toString();
QFileInfo fi(target);
QDir d = fi.dir();
d.mkpath(d.absolutePath());
QFile::copy(source, target);
}
insertDocumentSceneAt(trashDocProxy, scene, trashDocProxy->pageCount());
}
}
for (int i = 1; i < pageCount; i++)
{
renamePage(trashDocProxy, i , i - 1);
}
foreach(int index, compactedIndexes)
{
QString svgFileName = proxy->persistencePath() +
UBFileSystemUtils::digitFileFormat("/page%1.svg", index + 1);
QFile::remove(svgFileName);
QString thumbFileName = proxy->persistencePath() +
UBFileSystemUtils::digitFileFormat("/page%1.thumbnail.jpg", index + 1);
QFile::remove(thumbFileName);
mSceneCache.removeScene(proxy, index);
proxy->decPageCount();
}
qSort(compactedIndexes);
int offset = 1;
for (int i = compactedIndexes.at(0) + 1; i < pageCount; i++)
{
if(compactedIndexes.contains(i))
{
offset++;
}
else
{
renamePage(proxy, i , i - offset);
mSceneCache.moveScene(proxy, i, i - offset);
}
}
foreach(int index, compactedIndexes)
{
emit documentSceneDeleted(proxy, index);
}
}
void UBPersistenceManager::duplicateDocumentScene(UBDocumentProxy* proxy, int index)
{
checkIfDocumentRepositoryExists();
int pageCount = UBPersistenceManager::persistenceManager()->sceneCount(proxy);
for (int i = pageCount; i > index + 1; i--)
{
renamePage(proxy, i - 1 , i);
mSceneCache.moveScene(proxy, i - 1, i);
}
copyPage(proxy, index , index + 1);
proxy->incPageCount();
//due to architectural peculiarity we need to save teacher bar info, otherwise we'll see not exactly what we expect
sTeacherBarInfos properInfo = getTeacherBarInfos(proxy, index + 1);
//after the call below
emit documentSceneCreated(proxy, index + 1);
//restoring info
persistTeacherBar(proxy, index + 1, properInfo);
}
UBGraphicsScene* UBPersistenceManager::createDocumentSceneAt(UBDocumentProxy* proxy, int index)
{
int count = sceneCount(proxy);
for(int i = count - 1; i >= index; i--)
{
renamePage(proxy, i , i + 1);
}
mSceneCache.shiftUpScenes(proxy, index, count -1);
UBGraphicsScene *newScene = mSceneCache.createScene(proxy, index);
newScene->setBackground(UBSettings::settings()->isDarkBackground(),
UBSettings::settings()->UBSettings::isCrossedBackground());
persistDocumentScene(proxy, newScene, index);
proxy->incPageCount();
emit documentSceneCreated(proxy, index);
return newScene;
}
void UBPersistenceManager::insertDocumentSceneAt(UBDocumentProxy* proxy, UBGraphicsScene* scene, int index)
{
scene->setDocument(proxy);
int count = sceneCount(proxy);
for(int i = count - 1; i >= index; i--)
{
renamePage(proxy, i , i + 1);
}
mSceneCache.shiftUpScenes(proxy, index, count -1);
mSceneCache.insert(proxy, index, scene);
persistDocumentScene(proxy, scene, index);
proxy->incPageCount();
emit documentSceneCreated(proxy, index);
}
void UBPersistenceManager::moveSceneToIndex(UBDocumentProxy* proxy, int source, int target)
{
checkIfDocumentRepositoryExists();
if (source == target)
return;
QFile svgTmp(proxy->persistencePath() + UBFileSystemUtils::digitFileFormat("/page%1.svg", source + 1));
svgTmp.rename(proxy->persistencePath() + UBFileSystemUtils::digitFileFormat("/page%1.tmp", target + 1));
QFile thumbTmp(proxy->persistencePath() + UBFileSystemUtils::digitFileFormat("/page%1.thumbnail.jpg", source + 1));
thumbTmp.rename(proxy->persistencePath() + UBFileSystemUtils::digitFileFormat("/page%1.thumbnail.tmp", target + 1));
if (source < target)
{
for (int i = source + 1; i <= target; i++)
{
renamePage(proxy, i , i - 1);
}
}
else
{
for (int i = source - 1; i >= target; i--)
{
renamePage(proxy, i , i + 1);
}
}
QFile svg(proxy->persistencePath() + UBFileSystemUtils::digitFileFormat("/page%1.tmp", target + 1));
svg.rename(proxy->persistencePath() + UBFileSystemUtils::digitFileFormat("/page%1.svg", target + 1));
QFile thumb(proxy->persistencePath() + UBFileSystemUtils::digitFileFormat("/page%1.thumbnail.tmp", target + 1));
thumb.rename(proxy->persistencePath() + UBFileSystemUtils::digitFileFormat("/page%1.thumbnail.jpg", target + 1));
mSceneCache.moveScene(proxy, source, target);
emit documentSceneMoved(proxy, target);
}
UBGraphicsScene* UBPersistenceManager::loadDocumentScene(UBDocumentProxy* proxy, int sceneIndex)
{
if (mSceneCache.contains(proxy, sceneIndex))
{
//qDebug() << "scene" << sceneIndex << "retrieved from cache ...";
return mSceneCache.value(proxy, sceneIndex);
}
else
{
UBGraphicsScene* scene = UBSvgSubsetAdaptor::loadScene(proxy, sceneIndex);
if (scene)
mSceneCache.insert(proxy, sceneIndex, scene);
return scene;
}
}
void UBPersistenceManager::persistDocumentScene(UBDocumentProxy* pDocumentProxy, UBGraphicsScene* pScene, const int pSceneIndex)
{
checkIfDocumentRepositoryExists();
pScene->deselectAllItems();
generatePathIfNeeded(pDocumentProxy);
QDir dir(pDocumentProxy->persistencePath());
dir.mkpath(pDocumentProxy->persistencePath());
if (pDocumentProxy->isModified())
UBMetadataDcSubsetAdaptor::persist(pDocumentProxy);
if (pScene->isModified())
{
UBThumbnailAdaptor::persistScene(pDocumentProxy->persistencePath(), pScene, pSceneIndex);
UBSvgSubsetAdaptor::persistScene(pDocumentProxy, pScene, pSceneIndex);
pScene->setModified(false);
}
mSceneCache.insert(pDocumentProxy, pSceneIndex, pScene);
emit documentCommitted(pDocumentProxy);
}
UBDocumentProxy* UBPersistenceManager::persistDocumentMetadata(UBDocumentProxy* pDocumentProxy)
{
UBMetadataDcSubsetAdaptor::persist(pDocumentProxy);
emit documentMetadataChanged(pDocumentProxy);
return pDocumentProxy;
}
void UBPersistenceManager::renamePage(UBDocumentProxy* pDocumentProxy, const int sourceIndex, const int targetIndex)
{
QFile svg(pDocumentProxy->persistencePath() + UBFileSystemUtils::digitFileFormat("/page%1.svg", sourceIndex + 1));
svg.rename(pDocumentProxy->persistencePath() + UBFileSystemUtils::digitFileFormat("/page%1.svg", targetIndex + 1));
QFile thumb(pDocumentProxy->persistencePath() + UBFileSystemUtils::digitFileFormat("/page%1.thumbnail.jpg", sourceIndex + 1));
thumb.rename(pDocumentProxy->persistencePath() + UBFileSystemUtils::digitFileFormat("/page%1.thumbnail.jpg", targetIndex + 1));
}
void UBPersistenceManager::copyPage(UBDocumentProxy* pDocumentProxy, const int sourceIndex, const int targetIndex)
{
QFile svg(pDocumentProxy->persistencePath() + UBFileSystemUtils::digitFileFormat("/page%1.svg", sourceIndex + 1));
svg.copy(pDocumentProxy->persistencePath() + UBFileSystemUtils::digitFileFormat("/page%1.svg", targetIndex + 1));
UBSvgSubsetAdaptor::setSceneUuid(pDocumentProxy, targetIndex, QUuid::createUuid());
QFile thumb(pDocumentProxy->persistencePath() + UBFileSystemUtils::digitFileFormat("/page%1.thumbnail.jpg", sourceIndex + 1));
thumb.copy(pDocumentProxy->persistencePath() + UBFileSystemUtils::digitFileFormat("/page%1.thumbnail.jpg", targetIndex + 1));
}
int UBPersistenceManager::sceneCount(const UBDocumentProxy* proxy)
{
return sceneCountInDir(proxy->persistencePath());
}
int UBPersistenceManager::sceneCountInDir(const QString& pPath)
{
int pageIndex = 0;
bool moreToProcess = true;
while (moreToProcess)
{
QString fileName = pPath + UBFileSystemUtils::digitFileFormat("/page%1.svg", pageIndex + 1);
QFile file(fileName);
if (file.exists())
{
pageIndex++;
}
else
{
moreToProcess = false;
}
}
return pageIndex;
}
QString UBPersistenceManager::generateUniqueDocumentPath()
{
QString ubPath = UBSettings::settings()->uniboardDocumentDirectory();
QDateTime now = QDateTime::currentDateTime();
QString dirName = now.toString("yyyy-MM-dd hh-mm-ss.zzz");
return ubPath + QString("/Sankore Document %1").arg(dirName);
}
void UBPersistenceManager::generatePathIfNeeded(UBDocumentProxy* pDocumentProxy)
{
if (pDocumentProxy->persistencePath().length() == 0)
{
pDocumentProxy->setPersistencePath(generateUniqueDocumentPath());
}
}
void UBPersistenceManager::addDirectoryContentToDocument(const QString& documentRootFolder, UBDocumentProxy* pDocument)
{
int sourcePageCount = sceneCountInDir(documentRootFolder);
int targetPageCount = pDocument->pageCount();
for(int sourceIndex = 0 ; sourceIndex < sourcePageCount; sourceIndex++)
{
int targetIndex = targetPageCount + sourceIndex;
QFile svg(documentRootFolder + UBFileSystemUtils::digitFileFormat("/page%1.svg", sourceIndex + 1));
svg.copy(pDocument->persistencePath() + UBFileSystemUtils::digitFileFormat("/page%1.svg", targetIndex + 1));
UBSvgSubsetAdaptor::setSceneUuid(pDocument, targetIndex, QUuid::createUuid());
QFile thumb(documentRootFolder + UBFileSystemUtils::digitFileFormat("/page%1.thumbnail.jpg", sourceIndex + 1));
thumb.copy(pDocument->persistencePath() + UBFileSystemUtils::digitFileFormat("/page%1.thumbnail.jpg", targetIndex + 1));
}
foreach(QString dir, mDocumentSubDirectories)
{
qDebug() << "copying " << documentRootFolder << "/" << dir << " to " << pDocument->persistencePath() << "/" + dir;
UBFileSystemUtils::copyDir(documentRootFolder + "/" + dir, pDocument->persistencePath() + "/" + dir);
}
pDocument->setPageCount(sceneCount(pDocument));
}
void UBPersistenceManager::upgradeDocumentIfNeeded(UBDocumentProxy* pDocumentProxy)
{
int pageCount = pDocumentProxy->pageCount();
for(int index = 0 ; index < pageCount; index++)
{
UBSvgSubsetAdaptor::upgradeScene(pDocumentProxy, index);
}
pDocumentProxy->setMetaData(UBSettings::documentVersion, UBSettings::currentFileVersion);
UBMetadataDcSubsetAdaptor::persist(pDocumentProxy);
}
void UBPersistenceManager::upgradeAllDocumentsIfNeeded()
{
foreach(QPointer<UBDocumentProxy> proxy, documentProxies)
{
upgradeDocumentIfNeeded(proxy);
}
}
UBDocumentProxy* UBPersistenceManager::documentByUuid(const QUuid& pUuid)
{
for(int i = 0 ; i < documentProxies.length(); i++)
{
UBDocumentProxy* proxy = documentProxies.at(i);
if (proxy && proxy->uuid() == pUuid)
{
return proxy;
}
}
return 0;
}
bool UBPersistenceManager::isEmpty(UBDocumentProxy* pDocumentProxy)
{
if(!pDocumentProxy)
return true;
if (pDocumentProxy->pageCount() > 1)
return false;
UBGraphicsScene *theSoleScene = UBSvgSubsetAdaptor::loadScene(pDocumentProxy, 0);
bool empty = false;
if (theSoleScene)
{
empty = theSoleScene->isEmpty();
delete theSoleScene;
}
else
{
empty = true;
}
return empty;
}
void UBPersistenceManager::purgeEmptyDocuments()
{
if(!mHasPurgedDocuments) // hack to workaround the fact that app closing is called twice :-(
{
QList<UBDocumentProxy*> toBeDeleted;
foreach(UBDocumentProxy* docProxy, mDocumentCreatedDuringSession)
{
if (isEmpty(docProxy))
{
toBeDeleted << docProxy;
}
}
foreach(UBDocumentProxy* docProxy, toBeDeleted)
{
deleteDocument(docProxy);
}
mHasPurgedDocuments = true;
}
}
QString UBPersistenceManager::addVideoFileToDocument(UBDocumentProxy* pDocumentProxy, QString path, QUuid objectUuid)
{
QFileInfo fi(path);
if (!fi.exists() || !pDocumentProxy || objectUuid.isNull())
return "";
QString fileName = UBPersistenceManager::videoDirectory + "/" + objectUuid.toString() + "." + fi.suffix();
QString destPath = pDocumentProxy->persistencePath() + "/" + fileName;
if (!QFile::exists(destPath))
{
QDir dir;
dir.mkdir(pDocumentProxy->persistencePath() + "/" + UBPersistenceManager::videoDirectory);
QFile source(path);
source.copy(destPath);
}
return fileName;
}
QString UBPersistenceManager::addVideoFileToDocument(UBDocumentProxy* pDocumentProxy, QUrl sourceUrl, QByteArray pPayload, QUuid objectUuid)
{
if (!pDocumentProxy || objectUuid.isNull())
return "";
QString urlPath = sourceUrl.path();
int lastDot = urlPath.lastIndexOf(".");
QString suffix = urlPath.right(urlPath.length() - lastDot - 1);
QString fileName = UBPersistenceManager::videoDirectory + "/" + objectUuid.toString() + "." + suffix;
QString destPath = pDocumentProxy->persistencePath() + "/" + fileName;
if (!QFile::exists(destPath))
{
QDir dir;
dir.mkdir(pDocumentProxy->persistencePath() + "/" + UBPersistenceManager::videoDirectory);
QFile newFile(destPath);
if (newFile.open(QIODevice::WriteOnly))
{
newFile.write(pPayload);
newFile.flush();
newFile.close();
}
}
return fileName;
}
QString UBPersistenceManager::addAudioFileToDocument(UBDocumentProxy* pDocumentProxy, QString path, QUuid objectUuid)
{
QFileInfo fi(path);
if (!fi.exists() || !pDocumentProxy || objectUuid.isNull())
return "";
QString fileName = UBPersistenceManager::audioDirectory + "/" + objectUuid.toString() + "." + fi.suffix();
QString destPath = pDocumentProxy->persistencePath() + "/" + fileName;
if (!QFile::exists(destPath))
{
QDir dir;
dir.mkdir(pDocumentProxy->persistencePath() + "/" + UBPersistenceManager::audioDirectory);
QFile source(path);
source.copy(destPath);
}
return fileName;
}
QString UBPersistenceManager::addAudioFileToDocument(UBDocumentProxy* pDocumentProxy, QUrl sourceUrl, QByteArray pPayload, QUuid objectUuid)
{
if (!pDocumentProxy || objectUuid.isNull())
return "";
QString urlPath = sourceUrl.path();
int lastDot = urlPath.lastIndexOf(".");
QString suffix = urlPath.right(urlPath.length() - lastDot - 1);
QString fileName = UBPersistenceManager::audioDirectory + "/" + objectUuid.toString() + "." + suffix;
QString destPath = pDocumentProxy->persistencePath() + "/" + fileName;
if (!QFile::exists(destPath))
{
QDir dir;
dir.mkdir(pDocumentProxy->persistencePath() + "/" + UBPersistenceManager::audioDirectory);
QFile newFile(destPath);
if (newFile.open(QIODevice::WriteOnly))
{
newFile.write(pPayload);
newFile.flush();
newFile.close();
}
}
return fileName;
}
QString UBPersistenceManager::addPdfFileToDocument(UBDocumentProxy* pDocumentProxy, QString path, QUuid objectUuid)
{
QFileInfo fi(path);
if (!fi.exists() || !pDocumentProxy || objectUuid.isNull())
return "";
QString fileName = UBPersistenceManager::objectDirectory + "/" + objectUuid.toString() + "." + fi.suffix();
QString destPath = pDocumentProxy->persistencePath() + "/" + fileName;
if (!QFile::exists(destPath))
{
QDir dir;
dir.mkpath(pDocumentProxy->persistencePath() + "/" + UBPersistenceManager::objectDirectory);
QFile source(path);
source.copy(destPath);
}
return fileName;
}
QString UBPersistenceManager::addGraphicsWidgteToDocument(UBDocumentProxy *pDocumentProxy, QString path, QUuid objectUuid)
{
QFileInfo fi(path);
if (!fi.exists() || !pDocumentProxy || objectUuid.isNull())
return "";
QString widgetRootDir = path;
QString extension = QFileInfo(widgetRootDir).suffix();
QString widgetTargetDir = pDocumentProxy->persistencePath() + "/" + widgetDirectory + "/" + objectUuid.toString() + "." + extension;
if (!QFile::exists(widgetTargetDir)) {
QDir dir;
dir.mkpath(widgetTargetDir);
UBFileSystemUtils::copyDir(widgetRootDir, widgetTargetDir);
}
if (!QFile::exists(widgetTargetDir))
widgetTargetDir = QString();
return widgetTargetDir;
}
void UBPersistenceManager::documentRepositoryChanged(const QString& path)
{
Q_UNUSED(path);
checkIfDocumentRepositoryExists();
}
void UBPersistenceManager::checkIfDocumentRepositoryExists()
{
QDir rp(mDocumentRepositoryPath);
if (!rp.exists())
{
// we have lost the document repository ..
QString humanPath = QDir::cleanPath(mDocumentRepositoryPath);
humanPath = QDir::toNativeSeparators(humanPath);
UBApplication::mainWindow->warning(tr("Document Repository Loss"),tr("Sankore has lost access to the document repository '%1'. Unfortunately the application must shut down to avoid data corruption. Latest changes may be lost as well.").arg(humanPath));
UBApplication::quit();
}
}
bool UBPersistenceManager::mayHaveVideo(UBDocumentProxy* pDocumentProxy)
{
QDir videoDir(pDocumentProxy->persistencePath() + "/" + UBPersistenceManager::videoDirectory);
return videoDir.exists() && videoDir.entryInfoList().length() > 0;
}
bool UBPersistenceManager::mayHaveAudio(UBDocumentProxy* pDocumentProxy)
{
QDir audioDir(pDocumentProxy->persistencePath() + "/" + UBPersistenceManager::audioDirectory);
return audioDir.exists() && audioDir.entryInfoList().length() > 0;
}
bool UBPersistenceManager::mayHavePDF(UBDocumentProxy* pDocumentProxy)
{
QDir objectDir(pDocumentProxy->persistencePath() + "/" + UBPersistenceManager::objectDirectory);
QStringList filters;
filters << "*.pdf";
return objectDir.exists() && objectDir.entryInfoList(filters).length() > 0;
}
bool UBPersistenceManager::mayHaveSVGImages(UBDocumentProxy* pDocumentProxy)
{
QDir imageDir(pDocumentProxy->persistencePath() + "/" + UBPersistenceManager::imageDirectory);
QStringList filters;
filters << "*.svg";
return imageDir.exists() && imageDir.entryInfoList(filters).length() > 0;
}
bool UBPersistenceManager::mayHaveWidget(UBDocumentProxy* pDocumentProxy)
{
QDir widgetDir(pDocumentProxy->persistencePath() + "/" + UBPersistenceManager::widgetDirectory);
return widgetDir.exists() && widgetDir.entryInfoList(QDir::Dirs).length() > 0;
}
void UBPersistenceManager::persistTeacherBar(UBDocumentProxy* pDocumentProxy, int page, sTeacherBarInfos infos)
{
if(NULL != pDocumentProxy)
{
QFile f(pDocumentProxy->persistencePath() + UBFileSystemUtils::digitFileFormat("/page%1.svg", page + 1));
if(f.exists())
{
if(f.open(QIODevice::ReadOnly))
{
QDomDocument domDoc;
if(domDoc.setContent(f.readAll()))
{
f.close();
if(f.open(QIODevice::WriteOnly))
{
QDomElement rootElem = domDoc.documentElement();
QDomNode teacherBarNode = rootElem.namedItem("teacherBar");
if(teacherBarNode.isNull())
{
// Create the element
QDomElement teacherElem = domDoc.createElement("teacherBar");
rootElem.appendChild(teacherElem);
teacherBarNode = teacherElem;
}
// Set the <teacherBar> element values
QDomElement teacherBarElem = teacherBarNode.toElement();
teacherBarElem.setAttribute("title", infos.title);
QString qsAct;
for(int i=0; i<infos.actions.size(); i++){
if(0 != i){
qsAct.append('@');
}
qsAct.append(infos.actions.at(i));
}
teacherBarElem.setAttribute("actions", qsAct);
QString qsMedias;
for(int j=0; j<infos.medias.size(); j++){
if(0 != j){
qsMedias.append('@');
}
qsMedias.append(infos.medias.at(j));
}
teacherBarElem.setAttribute("medias", qsMedias);
QString qsUrls;
for(int k=0; k<infos.urls.size(); k++){
if(0 != k){
qsUrls.append('@');
}
qsUrls.append(infos.urls.at(k));
}
teacherBarElem.setAttribute("links", qsUrls);
teacherBarElem.setAttribute("comments", infos.comments);
// Save the file
f.write(domDoc.toString().toAscii());
f.close();
}
}
f.close();
}
}
}
}
sTeacherBarInfos UBPersistenceManager::getTeacherBarInfos(UBDocumentProxy* pDocumentProxy, int page)
{
sTeacherBarInfos infos;
if(NULL != pDocumentProxy)
{
QFile f(pDocumentProxy->persistencePath() + UBFileSystemUtils::digitFileFormat("/page%1.svg", page + 1));
if(f.exists())
{
if(f.open(QIODevice::ReadWrite))
{
QDomDocument domDoc;
if(domDoc.setContent(f.readAll()))
{
QDomElement rootElem = domDoc.documentElement();
QDomNode teacherBarNode = rootElem.namedItem("teacherBar");
infos.title = teacherBarNode.toElement().attributeNode("title").value();
infos.actions = teacherBarNode.toElement().attributeNode("actions").value().split("@");
infos.medias = teacherBarNode.toElement().attributeNode("medias").value().split("@");
infos.urls = teacherBarNode.toElement().attributeNode("links").value().split("@");
infos.comments = teacherBarNode.toElement().attributeNode("comments").value();
}
f.close();
}
}
}
return infos;
}