#include "tdoubleparamrelayproperty.h"

//*****************************************************************************

//    TDoubleParamRelayProperty  implementation

//*****************************************************************************

TDoubleParamRelayProperty::TDoubleParamRelayProperty(const std::string &name,

                                                     TDoubleParamP param)

    : TProperty(name), m_frame() {

  if (param) setParam(param);

}

//-------------------------------------------------------------------

TDoubleParamRelayProperty::~TDoubleParamRelayProperty() {

  if (m_param) m_param->removeObserver(this);

}

//-------------------------------------------------------------------

TDoubleParamRelayProperty::TDoubleParamRelayProperty(

    const TDoubleParamRelayProperty &other)

    : TProperty(other), m_param(other.m_param), m_frame(other.m_frame) {

  if (m_param) m_param->addObserver(this);

}

//-------------------------------------------------------------------

TDoubleParamRelayProperty &TDoubleParamRelayProperty::operator=(

    const TDoubleParamRelayProperty &other) {

  TProperty::operator=(other);

  if (m_param) m_param->removeObserver(this);

  m_param = other.m_param;

  m_frame = other.m_frame;

  if (m_param) m_param->addObserver(this);

  return *this;

}

//-------------------------------------------------------------------

TProperty *TDoubleParamRelayProperty::clone() const {

  return new TDoubleParamRelayProperty(*this);

}

//-------------------------------------------------------------------

std::string TDoubleParamRelayProperty::getValueAsString() {

  return m_param ? std::to_string(m_param->getValue(m_frame)) : "";

}

//-------------------------------------------------------------------

void TDoubleParamRelayProperty::setParam(const TDoubleParamP ¶m) {

  if (m_param == param) return;

  if (m_param) m_param->removeObserver(this);

  m_param = param;

  if (param) param->addObserver(this);

}

//-------------------------------------------------------------------

void TDoubleParamRelayProperty::setValue(double v) {

  if (m_param) m_param->setValue(m_frame, v);

}

//-------------------------------------------------------------------

double TDoubleParamRelayProperty::getValue() const {

  return m_param ? m_param->getValue(m_frame) : 0.0;

}

//-------------------------------------------------------------------

void TDoubleParamRelayProperty::accept(TProperty::Visitor &v) {

  if (TDoubleParamRelayProperty::Visitor *vv =

          dynamic_cast<tdoubleparamrelayproperty::visitor *="">(&v))</tdoubleparamrelayproperty::visitor>

    vv->visit(this);

}

//-------------------------------------------------------------------

void TDoubleParamRelayProperty::onChange(const TParamChange &) {

  notifyListeners();

}