kdganttconstraintproxy.h

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/****************************************************************************
**
** This file is part of the KD Chart library.
**
** SPDX-FileCopyrightText: 2001 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
**
** SPDX-License-Identifier: MIT
**
****************************************************************************/
 
#ifndef KDGANTTCONSTRAINTPROXY_H
#define KDGANTTCONSTRAINTPROXY_H
 
#include "kdganttglobal.h"
 
#include <QPointer>
 
QT_BEGIN_NAMESPACE
class QAbstractProxyModel;
QT_END_NAMESPACE
 
namespace KDGantt {
class Constraint;
class ConstraintModel;
 
class KDGANTT_EXPORT ConstraintProxy : public QObject
{
    Q_OBJECT
public:
    explicit ConstraintProxy(QObject *parent = nullptr);
    ~ConstraintProxy() override;
 
    void setSourceModel(ConstraintModel *src);
    void setDestinationModel(ConstraintModel *dest);
    void setProxyModel(QAbstractProxyModel *proxy);
 
    ConstraintModel *sourceModel() const;
    ConstraintModel *destinationModel() const;
    QAbstractProxyModel *proxyModel() const;
 
private Q_SLOTS:
 
    void slotSourceConstraintAdded(const KDGantt::Constraint &);
    void slotSourceConstraintRemoved(const KDGantt::Constraint &);
 
    void slotDestinationConstraintAdded(const KDGantt::Constraint &);
    void slotDestinationConstraintRemoved(const KDGantt::Constraint &);
 
    void slotLayoutChanged();
 
private:
    void copyFromSource();
 
    QPointer<QAbstractProxyModel> m_proxy;
    QPointer<ConstraintModel> m_source;
    QPointer<ConstraintModel> m_destination;
};
}
 
#endif /* KDGANTTCONSTRAINTPROXY_H */