timeseriesregistry.h

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#ifndef OPENSWMMVIS_TIMESERIES_TIMESERIESREGISTRY_H
#define OPENSWMMVIS_TIMESERIES_TIMESERIESREGISTRY_H
 
#include <QDateTime>
#include <QHash>
#include <QObject>
#include <QString>
#include <QVector>
 
namespace openswmmvis::timeseries {
 
class TimeseriesProvider;
 
class TimeseriesRegistry : public QObject
{
    Q_OBJECT
 
public:
    explicit TimeseriesRegistry(QObject *parent = nullptr);
    ~TimeseriesRegistry() override;
 
    // ── Lookup ──────────────────────────────────────────────────────────────
 
    QVector<TimeseriesProvider *> providers() const { return m_providers; }
 
    int providerCount() const noexcept { return m_providers.size(); }
 
    TimeseriesProvider *findByName(const QString& name) const;
 
    bool hasName(const QString& name) const { return findByName(name) != nullptr; }
 
    // ── Mutation ────────────────────────────────────────────────────────────
 
    TimeseriesProvider *create(const QString& name);
 
    void remove(TimeseriesProvider *p);
 
    bool rename(TimeseriesProvider *p, const QString& newName);
 
    // ── Engine I/O (Phase 6.7.3.8 — minimum load path) ─────────────────────
 
    int loadFromEngine(void *engineHandle);
 
    int saveToEngine(void *engineHandle);
 
    int saveToEngine();
 
    void *engineHandle() const noexcept { return m_engineHandle; }
 
    QString projectAnchor() const { return m_projectAnchor; }
    void setProjectAnchor(const QString &dir) { m_projectAnchor = dir; }
 
    QDateTime simulationStart() const { return m_simulationStart; }
    void setSimulationStart(const QDateTime &start)
    {
        if (start == m_simulationStart) return;
        m_simulationStart = start;
        emit simulationStartChanged(m_simulationStart);
    }
 
signals:
    void simulationStartChanged(const QDateTime &now);
 
    void providerAdded(openswmmvis::timeseries::TimeseriesProvider *provider);
 
    void providerAboutToBeRemoved(openswmmvis::timeseries::TimeseriesProvider *provider);
 
    void providerRenamed(openswmmvis::timeseries::TimeseriesProvider *provider,
                         const QString& prevName, const QString& newName);
 
private:
    QVector<TimeseriesProvider *>  m_providers;            
    QHash<QString, TimeseriesProvider *> m_byLowerName;    
    void                          *m_engineHandle = nullptr; 
    QString                        m_projectAnchor;          
    QDateTime                      m_simulationStart;        
 
    void onProviderRenamed_(const QString& prev, const QString& now);
};
 
} // namespace openswmmvis::timeseries
 
#endif // OPENSWMMVIS_TIMESERIES_TIMESERIESREGISTRY_H