kdganttconstraint.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 KDGANTTCONSTRAINT_H
#define KDGANTTCONSTRAINT_H
 
#include <QMap>
#include <QModelIndex>
#include <QObject>
#include <QSharedDataPointer>
#include <QVariant>
 
#include "kdganttglobal.h"
#ifndef QT_NO_DEBUG_STREAM
#include <QDebug>
#endif
 
namespace KDGantt {
using DataMap = QMap<int, QVariant>;
 
class KDGANTT_EXPORT Constraint
{
    class Private;
 
public:
    enum Type
    {
        TypeSoft = 0,
        TypeHard = 1
    };
    enum RelationType
    {
        FinishStart = 0,
        FinishFinish = 1,
        StartStart = 2,
        StartFinish = 3
    };
 
    enum ConstraintDataRole
    {
        ValidConstraintPen = Qt::UserRole,
        InvalidConstraintPen
    };
 
    Constraint();
    Constraint(const QModelIndex &idx1,
               const QModelIndex &idx2,
               Type type = TypeSoft,
               RelationType relType = FinishStart,
               const DataMap &datamap = DataMap());
    Constraint(const Constraint &other);
    ~Constraint();
 
    Type type() const;
    RelationType relationType() const;
    QModelIndex startIndex() const;
    QModelIndex endIndex() const;
 
    void setData(int role, const QVariant &value);
    QVariant data(int role) const;
 
    void setDataMap(const QMap<int, QVariant> &datamap);
    QMap<int, QVariant> dataMap() const;
 
    bool compareIndexes(const Constraint &other) const;
 
    Constraint &operator=(const Constraint &other);
    bool operator==(const Constraint &other) const;
 
    inline bool operator!=(const Constraint &other) const
    {
        return !operator==(other);
    }
 
    uint hash() const;
#ifndef QT_NO_DEBUG_STREAM
    QDebug debug(QDebug dbg) const;
#endif
 
private:
    QSharedDataPointer<Private> d;
};
 
inline uint qHash(const Constraint &c)
{
    return c.hash();
}
}
 
#ifndef QT_NO_DEBUG_STREAM
QDebug KDGANTT_EXPORT operator<<(QDebug dbg, const KDGantt::Constraint &c);
#endif /* QT_NO_DEBUG_STREAM */
 
#endif /* KDGANTTCONSTRAINT_H */