Parameter.h

#pragma once
#include "Engine/Parameter/Template.h"
#include "Engine/Types.h"
#include <boost/signals2.hpp>
#include <variant>
 
namespace enzo::prm {
 
using PrmValues =
    std::variant<std::vector<bt::floatT>, std::vector<bt::intT>, std::vector<bt::String>>;
 
class Parameter {
  public:
    Parameter(Template prmTemplate, enzo::nt::OpId opId);
    std::string getName() const;
    std::string getLabel() const;
    enzo::nt::OpId getOpId() const { return opId_; }
    enzo::prm::Type getType() const;
    unsigned int getVectorSize() const;
 
    bt::floatT evalFloat(unsigned int index = 0) const;
    bt::String evalString(unsigned int index = 0) const;
    bt::intT evalInt(unsigned int index = 0) const;
 
    void setInt(bt::intT value, unsigned int index = 0);
    void setFloat(bt::floatT value, unsigned int index = 0);
    void setString(bt::String value, unsigned int index = 0);
 
    PrmValues getValues() const;
    void setValues(const PrmValues &values);
 
    const Template &getTemplate();
 
    boost::signals2::signal<void()> valueChanged;
 
  private:
    void addUndo_(enzo::prm::PrmValues before);
    void handleValueChange_();
 
    Template template_;
    PrmValues values_;
    enzo::nt::OpId opId_;
};
} // namespace enzo::prm