#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 ? toString(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();

}