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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the Qt Mobility Components.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qgallerytrackermetadataedit_p.h"
#include <QtDBus/qdbuspendingcall.h>
QTM_BEGIN_NAMESPACE
QGalleryTrackerMetaDataEdit::QGalleryTrackerMetaDataEdit(
const QGalleryDBusInterfacePointer &metaDataInterface,
const QString &uri,
const QString &service,
QObject *parent)
: QObject(parent)
, m_index(-1)
, m_metaDataInterface(metaDataInterface)
, m_uri(uri)
, m_service(service)
{
}
QGalleryTrackerMetaDataEdit::~QGalleryTrackerMetaDataEdit()
{
}
static QString _qt_createSubUpdateStatement(
const QString &command,
const QString &subject,
const QString &predicate,
const QString &object)
{
return command
+ QLatin1String("{<")
+ subject + QLatin1String("> ")
+ predicate
+ QLatin1String(" \'")
+ object
+ QLatin1String("\'}");
}
static QString _qt_createUpdateStatement(
const QString &subject,
const QMap<QString, QString> &m_values,
const QMap<QString, QString> &m_oldValues)
{
QString statement;
for (QMap<QString,QString>::const_iterator newIterator = m_values.constBegin(), oldIterator = m_oldValues.constBegin();
newIterator != m_values.constEnd();
++newIterator, ++oldIterator
){
// Delete old value (if it exists ) and insert new value ( if it exists )
if (!oldIterator.value().isEmpty()) {
statement += _qt_createSubUpdateStatement(
QLatin1String("DELETE"), subject, newIterator.key(), oldIterator.value());
}
if (!newIterator.value().isEmpty()) {
statement += _qt_createSubUpdateStatement(
QLatin1String("INSERT"), subject, newIterator.key(), newIterator.value());
}
}
return statement;
}
void QGalleryTrackerMetaDataEdit::commit()
{
if (m_values.isEmpty()) {
emit finished(this);
} else {
m_metaDataInterface->call(
QLatin1String("SparqlUpdate"),
_qt_createUpdateStatement(m_service, m_values, m_oldValues));
emit finished(this);
}
}
void QGalleryTrackerMetaDataEdit::itemsInserted(int index, int count)
{
if (index < m_index)
m_index += count;
}
void QGalleryTrackerMetaDataEdit::itemsRemoved(int index, int count)
{
if (index + count < m_index)
m_index -= count;
else if (index < m_index)
m_index = -1;
}
#include "moc_qgallerytrackermetadataedit_p.cpp"
QTM_END_NAMESPACE
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