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/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtDataVis3D module.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef VARIANTBARDATAPROXY_H
#define VARIANTBARDATAPROXY_H
#include "qbardataproxy.h"
#include "variantdataset.h"
#include "variantbardatamapping.h"
#include <QStringList>
#include <QMap>
#include <QPointer>
using namespace QtDataVis3D;
class VariantBarDataProxy : public QBarDataProxy
{
Q_OBJECT
public:
explicit VariantBarDataProxy();
explicit VariantBarDataProxy(VariantDataSet *newSet, VariantBarDataMapping *mapping);
virtual ~VariantBarDataProxy();
// Doesn't gain ownership of the dataset, but does connect to it to listen for data changes.
void setDataSet(VariantDataSet *newSet);
VariantDataSet *dataSet();
// Map key (row, column, value) to value index in data item (VariantItem).
// Doesn't gain ownership of mapping, but does connect to it to listen for mapping changes.
// Modifying mapping that is set to proxy will trigger dataset re-resolving.
void setMapping(VariantBarDataMapping *mapping);
VariantBarDataMapping *mapping();
public slots:
void handleItemsAdded(int index, int count);
void handleDataCleared();
void handleMappingChanged();
private:
void resolveDataSet();
QPointer<VariantDataSet> m_dataSet;
QPointer<VariantBarDataMapping> m_mapping;
Q_DISABLE_COPY(VariantBarDataProxy)
friend class VariantBarDataProxy;
};
#endif
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