controlruleprovider.h

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#ifndef OPENSWMMVIS_CONTROLS_CONTROLRULEPROVIDER_H
#define OPENSWMMVIS_CONTROLS_CONTROLRULEPROVIDER_H
 
#include <QObject>
#include <QString>
 
namespace openswmmvis::controls {
 
enum class ValidationState {
    Pending = 0,   
    Valid   = 1,   
    Invalid = 2    
};
 
class ControlRuleProvider : public QObject
{
    Q_OBJECT
 
public:
    ControlRuleProvider(QString name, QString body, QObject *parent = nullptr);
    ~ControlRuleProvider() override;
 
    // ── Identity ────────────────────────────────────────────────────────────
 
    QString name() const noexcept { return m_name; }
    QString body() const noexcept { return m_body; }
 
    // ── Validation cache (set by the validator; read by the list model) ─────
 
    ValidationState validationState() const noexcept { return m_validation; }
    QString         lastError()       const noexcept { return m_lastError; }
    int             lastErrorLine()   const noexcept { return m_lastErrorLine; }
 
    // ── Mutators (registry-internal — UI code must go through the layer) ────
 
    void setName(QString newName);
 
    void setBody(QString newBody);
 
    void setValidation(ValidationState state,
                        QString errorMessage = {},
                        int errorLine = -1);
 
signals:
    void nameChanged(QString prev, QString now);
 
    void bodyChanged();
 
    void validationChanged();
 
private:
    QString         m_name;
    QString         m_body;
    ValidationState m_validation     = ValidationState::Pending;
    QString         m_lastError;
    int             m_lastErrorLine  = -1;
};
 
} // namespace openswmmvis::controls
 
#endif // OPENSWMMVIS_CONTROLS_CONTROLRULEPROVIDER_H