patternregistry.h

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#ifndef OPENSWMMVIS_PATTERN_PATTERNREGISTRY_H
#define OPENSWMMVIS_PATTERN_PATTERNREGISTRY_H
 
#include "pattern/patternprovider.h"
 
#include <QHash>
#include <QObject>
#include <QString>
#include <QVector>
 
namespace openswmmvis::pattern {
 
class PatternRegistry : public QObject
{
    Q_OBJECT
 
public:
    explicit PatternRegistry(QObject *parent = nullptr);
    ~PatternRegistry() override;
 
    // ── Lookup ──────────────────────────────────────────────────────────────
 
    QVector<PatternProvider *> providers() const { return m_providers; }
 
    int providerCount() const noexcept { return m_providers.size(); }
 
    PatternProvider *findByName(const QString &name) const;
 
    bool hasName(const QString &name) const { return findByName(name) != nullptr; }
 
    // ── Mutation ────────────────────────────────────────────────────────────
 
    PatternProvider *create(const QString &name, PatternType type);
 
    PatternProvider *duplicate(const QString &srcName, const QString &newName);
 
    void remove(PatternProvider *p);
 
    bool rename(PatternProvider *p, const QString &newName);
 
    // ── Engine I/O ──────────────────────────────────────────────────────────
 
    int loadFromEngine(void *engineHandle);
 
    int saveToEngine(void *engineHandle);
 
    void attachEngine(void *engineHandle) { m_engineHandle = engineHandle; }
 
    void *engineHandle() const noexcept { return m_engineHandle; }
 
signals:
    void providerAdded(openswmmvis::pattern::PatternProvider *provider);
 
    void providerAboutToBeRemoved(openswmmvis::pattern::PatternProvider *provider);
 
    void providerRenamed(openswmmvis::pattern::PatternProvider *provider,
                         const QString &prevName, const QString &newName);
 
private:
    QVector<PatternProvider *>            m_providers;       
    QHash<QString, PatternProvider *>     m_byLowerName;     
    void                                 *m_engineHandle = nullptr; 
};
 
} // namespace openswmmvis::pattern
 
#endif // OPENSWMMVIS_PATTERN_PATTERNREGISTRY_H