curveprovider.h

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#ifndef OPENSWMMVIS_CURVE_CURVEPROVIDER_H
#define OPENSWMMVIS_CURVE_CURVEPROVIDER_H
 
#include <QObject>
#include <QString>
#include <QVector>
 
namespace openswmmvis::curve {
 
enum class CurveType {
    Storage   = 1,   
    Diversion = 2,   
    Rating    = 3,   
    Shape     = 4,   
    Control   = 5,   
    Tidal     = 6,   
    Pump1     = 7,   
    Pump2     = 8,   
    Pump3     = 9,   
    Pump4     = 10,  
    Pump5     = 11,  
};
 
struct CurvePoint {
    double x = 0.0;
    double y = 0.0;
};
 
class CurveProvider : public QObject
{
    Q_OBJECT
 
public:
    CurveProvider(QString name, CurveType type, QObject *parent = nullptr);
    ~CurveProvider() override;
 
    // ── Identity ────────────────────────────────────────────────────────────
 
    QString   name() const noexcept { return m_name; }
    CurveType type() const noexcept { return m_type; }
 
    // ── Type-driven labels (static for stateless callers) ───────────────────
 
    static QString xLabel(CurveType t);
 
    static QString yLabel(CurveType t);
 
    static QString typeLabel(CurveType t);
 
    // ── Point access ────────────────────────────────────────────────────────
 
    int pointCount() const noexcept { return m_points.size(); }
    const CurvePoint& pointAt(int i) const { return m_points.at(i); }
    const QVector<CurvePoint>& points() const noexcept { return m_points; }
 
    // ── Mutators (return false + emit mutationRejected on invariant violation) ──
 
    bool setAllPoints(QVector<CurvePoint> newPoints, QString *reasonOut = nullptr);
 
    bool setYAt(int i, double newY, QString *reasonOut = nullptr);
 
    bool setPointAt(int i, double newX, double newY, QString *reasonOut = nullptr);
 
    int insertPoint(double x, double y, QString *reasonOut = nullptr);
 
    void removePointsAt(QVector<int> indices);
 
    // ── Identity / type mutators ────────────────────────────────────────────
 
    void setName(QString newName);
 
    void setType(CurveType t);
 
signals:
    void pointsChanged(int firstIndex, int count);
 
    void pointsInserted(int at, int count);
 
    void pointsRemoved(int at, int count);
 
    void nameChanged(QString prev, QString now);
 
    void typeChanged(CurveType prev, CurveType now);
 
    void mutationRejected(QString reason);
 
private:
    static bool isStrictlyMonotoneX_(const QVector<CurvePoint> &pts);
 
    QString             m_name;
    CurveType           m_type;
    QVector<CurvePoint> m_points;
};
 
} // namespace openswmmvis::curve
 
#endif // OPENSWMMVIS_CURVE_CURVEPROVIDER_H