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/******************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the Qt Data Visualization module.
**
** $QT_BEGIN_LICENSE:COMM$
**
** 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 The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** $QT_END_LICENSE$
**
******************************************************************************/
//
// W A R N I N G
// -------------
//
// This file is not part of the QtDataVisualization 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 "datavisualizationglobal_p.h"
#include <QtCore/QAbstractItemModel>
#include <QtCore/QPointer>
#include <QtCore/QTimer>
QT_BEGIN_NAMESPACE_DATAVISUALIZATION
class AbstractItemModelHandler : public QObject
{
Q_OBJECT
public:
AbstractItemModelHandler(QObject *parent = 0);
virtual ~AbstractItemModelHandler();
virtual void setItemModel(QAbstractItemModel *itemModel);
virtual QAbstractItemModel *itemModel() const;
public Q_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();
Q_SIGNALS:
void itemModelChanged(const QAbstractItemModel *itemModel);
protected:
virtual void resolveModel() = 0;
QPointer<QAbstractItemModel> m_itemModel; // Not owned
bool resolvePending;
QTimer m_resolveTimer;
bool m_fullReset;
private:
Q_DISABLE_COPY(AbstractItemModelHandler)
};
QT_END_NAMESPACE_DATAVISUALIZATION
#endif
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