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/****************************************************************************
**
** Copyright (C) 2013 Digia Plc
** All rights reserved.
** For any questions to Digia, please use contact form at http://qt.digia.com
**
** This file is part of the QtDataVis3D module.
**
** Licensees holding valid Qt Enterprise licenses may use this file in
** accordance with the Qt Enterprise License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia.
**
** If you have questions regarding the use of this file, please use
** contact form at http://qt.digia.com
**
****************************************************************************/
//
// W A R N I N G
// -------------
//
// This file is not part of the QtDataVis3D API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
#ifndef ABSTRACTITEMMODELHANDLER_P_H
#define ABSTRACTITEMMODELHANDLER_P_H
#include "datavis3dglobal_p.h"
#include <QAbstractItemModel>
#include <QPointer>
#include <QTimer>
QT_DATAVIS3D_BEGIN_NAMESPACE
class QAbstractDataMapping;
class AbstractItemModelHandler : public QObject
{
Q_OBJECT
public:
AbstractItemModelHandler(QObject *parent = 0);
virtual ~AbstractItemModelHandler();
virtual void setItemModel(const QAbstractItemModel *itemModel);
virtual const QAbstractItemModel *itemModel() const;
virtual void setActiveMapping(QAbstractDataMapping *mapping);
virtual QAbstractDataMapping *activeMapping() const;
virtual void addMapping(QAbstractDataMapping *mapping);
virtual void releaseMapping(QAbstractDataMapping *mapping);
virtual QList<QAbstractDataMapping *> mappings() const;
public slots:
virtual void handleColumnsInserted(const QModelIndex &parent, int start, int end);
virtual void handleColumnsMoved(const QModelIndex &sourceParent, int sourceStart,
int sourceEnd, const QModelIndex &destinationParent,
int destinationColumn);
virtual void handleColumnsRemoved(const QModelIndex &parent, int start, int end);
virtual void handleDataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight,
const QVector<int> &roles = QVector<int> ());
virtual void handleLayoutChanged(const QList<QPersistentModelIndex> &parents = QList<QPersistentModelIndex>(),
QAbstractItemModel::LayoutChangeHint hint = QAbstractItemModel::NoLayoutChangeHint);
virtual void handleModelReset();
virtual void handleRowsInserted(const QModelIndex &parent, int start, int end);
virtual void handleRowsMoved(const QModelIndex &sourceParent, int sourceStart, int sourceEnd,
const QModelIndex &destinationParent, int destinationRow);
virtual void handleRowsRemoved(const QModelIndex &parent, int start, int end);
virtual void handleMappingChanged();
virtual void handlePendingResolve();
protected:
virtual void resolveModel() = 0;
QPointer<const QAbstractItemModel> m_itemModel; // Not owned
QAbstractDataMapping *m_activeMapping;
bool resolvePending;
QTimer m_resolveTimer;
QList<QAbstractDataMapping *> m_mappings;
private:
Q_DISABLE_COPY(AbstractItemModelHandler)
};
QT_DATAVIS3D_END_NAMESPACE
#endif
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