/**
* Copy all the triples in srclist to be new rows in the model.
* Note that the object value is modified to contain a unique
* postfix so that the new triple copies can be inserted into
* the Rdf model. It is a copy in a looser sense of the word.
*/
QModelIndexList KoSopranoTableModel::copyTriples(const QModelIndexList &srclist)
{
QModelIndexList ret;
int FirstNewRowNumber = rowCount();
int LastNewRowNumber = FirstNewRowNumber + srclist.size() - 1;
int currentNewRowNum = FirstNewRowNumber;
beginInsertRows(QModelIndex(), FirstNewRowNumber, LastNewRowNumber);
kDebug(30015) << " m_statementIndex.sz:" << m_statementIndex.size();
kDebug(30015) << " srclist.size():" << srclist.size();
kDebug(30015) << " first:" << FirstNewRowNumber;
kDebug(30015) << " last:" << LastNewRowNumber;
foreach (const QModelIndex &src, srclist) {
int r = src.row();
kDebug(30015) << "r:" << r;
Soprano::Statement st = m_statementIndex[ r ];
//
// Append a bnode to the object to ensure the "copy"
// is unique relative to the original.
//
Soprano::Node obj(QUrl(st.object().toString() + '-'
+ model()->createBlankNode().toString()));
Soprano::Statement n(st.subject(), st.predicate(),
obj, st.context());
model()->addStatement(n);
m_statementIndex << n;
QModelIndex newIdx = index(currentNewRowNum, ColSubj);
ret << newIdx;
++currentNewRowNum;
}
bool KoSopranoTableModel::setData(const QModelIndex &index, const QVariant &value, int role)
{
Q_UNUSED(role);
if (!index.isValid()) {
return false;
}
int r = index.row();
Soprano::Statement st = m_statementIndex[r];
QString uri = PrefexedLocalnameToURI(value.toString());
Soprano::Statement n(st.subject(), st.predicate(), st.object(), st.context());
switch (index.column()) {
case ColSubj:
n.setSubject(Soprano::Node(QUrl(uri)));
return setDataUpdateTriple(index, st, n);
case ColPred:
n.setPredicate(Soprano::Node(QUrl(uri)));
return setDataUpdateTriple(index, st, n);
case ColObj: {
if (st.object().isLiteral()) {
n.setObject(
Soprano::Node(
Soprano::LiteralValue(value.toString())));
} else {
n.setObject(Soprano::Node(QUrl(uri)));
}
return setDataUpdateTriple(index, st, n);
}
case ColObjType: {
QString v = value.toString();
if (v == "URI") {
n.setObject(Soprano::Node(QUrl(st.object().toString())));
} else if (v == "Literal") {
n.setObject(
Soprano::Node(
Soprano::LiteralValue(st.object().toString())));
} else {
n.setObject(Soprano::Node(QString(st.object().toString())));
}
return setDataUpdateTriple(index, st, n);
}
case ColCtx: {
QString v = value.toString();
if (v == "inline") {
QString InternalContext = m_rdf->rdfInternalMetadataWithoutSubjectURI();
n.setContext(Soprano::Node(QUrl(InternalContext)));
} else {
if (!v.endsWith(".rdf"))
v = v + ".rdf";
n.setContext(Soprano::Node(QUrl(m_rdf->rdfPathContextPrefix() + v)));
}
return setDataUpdateTriple(index, st, n);
}
}
return false;
}
void Soprano::ModelMonitor::slotStatementRemoved( const Soprano::Statement& s )
{
// we do not use Statement::matches here since we want to match empty nodes on both sides.
// not only in the pattern. This is because some backends do not emit the statementRemoved
// signal on each single statement but on the pattern used.
if ( ( d->pattern.subject().isEmpty() ||
s.subject().isEmpty() ||
d->pattern.subject() == s.subject() ) &&
( d->pattern.predicate().isEmpty() ||
s.predicate().isEmpty() ||
d->pattern.predicate() == s.predicate() ) &&
( d->pattern.object().isEmpty() ||
s.object().isEmpty() ||
d->pattern.object() == s.object() ) &&
( d->pattern.context().isEmpty() ||
s.context().isEmpty() ||
d->pattern.context() == s.context() ) ) {
QTextStream outStream( stdout );
outStream << QString( "%1 | " ).arg( d->addedCnt + d->removedCnt++, 4, 10, QChar('0') ) << "Removed: " << s << endl;
}
}
Soprano::Error::ErrorCode Soprano::Index::CLuceneIndex::removeStatement( const Soprano::Statement& statement )
{
// qDebug() << "CLuceneIndex::removeStatement in thread " << QThread::currentThreadId();
QMutexLocker lock( &d->mutex );
clearError();
// just for speed
if ( !d->indexPresent() ) {
// qDebug() << "CLuceneIndex::removeStatement done in thread " << QThread::currentThreadId();
return Error::ErrorNone;
}
bool success = false;
QString field = QString::fromLatin1( statement.predicate().uri().toEncoded() );
QString text = statement.object().isResource()
? QString::fromLatin1( statement.object().uri().toEncoded() )
: statement.object().toString();
if( text.isEmpty() ) {
return Error::ErrorNone;
}
try {
lucene::document::Document* document = d->getDocument( statement.subject() );
if ( document ) {
CLuceneDocumentWrapper docWrapper( document );
docWrapper.removeProperty( field, text, statement.object().isResource() );
if ( d->transactionID == 0 ) {
d->commit();
}
success = true;
}
}
catch( CLuceneError& err ) {
qDebug() << "(Soprano::Index::CLuceneIndex::removeStatement) Exception occurred: " << err.what();
setError( exceptionToError( err ) );
success = false;
}
// qDebug() << "CLuceneIndex::removeStatement done in thread " << QThread::currentThreadId();
return success ? Error::ErrorNone : Error::ErrorUnknown;
}
Soprano::Error::ErrorCode Soprano::Index::CLuceneIndex::addStatement( const Soprano::Statement& statement )
{
// qDebug() << "CLuceneIndex::addStatement in thread " << QThread::currentThreadId();
QMutexLocker lock( &d->mutex );
clearError();
QString field = QString::fromLatin1( statement.predicate().uri().toEncoded() );
QString text = statement.object().isResource()
? QString::fromLatin1( statement.object().uri().toEncoded() )
: statement.object().toString();
if( text.isEmpty() ) {
setError( "Cannot index object nodes that convert to an empty string." );
// qDebug() << "CLuceneIndex::addStatement done in thread " << QThread::currentThreadId();
return Error::ErrorUnknown;
}
bool success = true;
try {
lucene::document::Document* document = d->getDocument( statement.subject() );
if ( document ) {
CLuceneDocumentWrapper docWrapper( document );
docWrapper.addProperty( field, text, statement.object().isResource() );
if ( d->transactionID == 0 ) {
d->commit();
}
success = true;
}
else {
// error already set in documentForResource
success = false;
}
}
catch( CLuceneError& err ) {
setError( exceptionToError( err ) );
success = false;
}
// qDebug() << "CLuceneIndex::addStatement done in thread " << QThread::currentThreadId();
return success ? Error::ErrorNone : Error::ErrorUnknown;
}
QVariant KoSopranoTableModel::data(const QModelIndex &index, int role) const
{
if (!index.isValid()) {
return QVariant();
}
Soprano::Statement st = m_statementIndex[index.row()];
if (index.column() == ColIsValid && role == Qt::CheckStateRole) {
return st.isValid();
}
if (role == Qt::BackgroundRole) {
if (!m_statementIndex[index.row()].isValid()) {
return QColor("#BB0000");
}
}
if (role != Qt::DisplayRole && role != Qt::EditRole) {
return QVariant();
}
switch (index.column()) {
case ColIsValid:
return QVariant();
case ColSubj:
return URItoPrefexedLocalname(st.subject().toString());
case ColPred:
return URItoPrefexedLocalname(st.predicate().toString());
case ColObj:
if (st.object().type() == Soprano::Node::ResourceNode)
return URItoPrefexedLocalname(st.object().toString());
return st.object().toString();
case ColObjType:
switch (st.object().type()) {
case Soprano::Node::EmptyNode:
return i18n("Empty");
case Soprano::Node::ResourceNode:
return i18n("URI");
case Soprano::Node::LiteralNode:
return i18n("Literal");
case Soprano::Node::BlankNode:
return i18n("Blank");
}
return QString();
case ColObjXsdType:
return st.object().dataType().toString();
case ColCtx: {
QString ctx = st.context().toString();
QString RdfPathContextPrefix = m_rdf->rdfPathContextPrefix();
QString InternalContext = m_rdf->inlineRdfContext().toString();
kDebug(30015) << "InternalContext:" << InternalContext;
kDebug(30015) << "ctx:" << ctx;
if (ctx.startsWith(RdfPathContextPrefix)) {
ctx = ctx.mid(RdfPathContextPrefix.size());
}
if (isInlineRdf(st)) {
ctx = "inline";
}
return ctx;
}
}
return QVariant();
}