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/******************************************************************************
* SOFA, Simulation Open-Framework Architecture, version 1.0 beta 4 *
* (c) 2006-2009 MGH, INRIA, USTL, UJF, CNRS *
* *
* This library is free software; you can redistribute it and/or modify it *
* under the terms of the GNU Lesser General Public License as published by *
* the Free Software Foundation; either version 2.1 of the License, or (at *
* your option) any later version. *
* *
* This library is distributed in the hope that it will be useful, but WITHOUT *
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or *
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License *
* for more details. *
* *
* You should have received a copy of the GNU Lesser General Public License *
* along with this library; if not, write to the Free Software Foundation, *
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. *
*******************************************************************************
* SOFA :: Framework *
* *
* Authors: M. Adam, J. Allard, B. Andre, P-J. Bensoussan, S. Cotin, C. Duriez,*
* H. Delingette, F. Falipou, F. Faure, S. Fonteneau, L. Heigeas, C. Mendoza, *
* M. Nesme, P. Neumann, J-P. de la Plata Alcade, F. Poyer and F. Roy *
* *
* Contact information: contact@sofa-framework.org *
******************************************************************************/
#ifndef SOFA_CORE_OBJECTMODEL_DATAPTR_H
#define SOFA_CORE_OBJECTMODEL_DATAPTR_H
#if !defined(__GNUC__) || (__GNUC__ > 3 || (_GNUC__ == 3 && __GNUC_MINOR__ > 3))
#pragma once
#endif
#include <sofa/core/objectmodel/Data.h>
namespace sofa
{
namespace core
{
namespace objectmodel
{
/**
* \brief Pointer to data, readable and writable from/to a string.
*
*/
template < class T = void* >
class DataPtr : public TData<T>
{
public:
/** Constructor
\param t a pointer to the value
\param h help on the field
*/
DataPtr( T* t, const char* h, bool isDisplayed=true, bool isReadOnly=false )
: TData<T>(h, isDisplayed, isReadOnly)
, ptr(t)
{
}
virtual ~DataPtr()
{}
inline T* beginEdit()
{
if (this->dirty)
{
DataPtr* data = const_cast <DataPtr*> (this);
data->update();
}
++this->m_counter;
return ptr;
}
inline void endEdit()
{
BaseData::setDirty();
}
inline void setPointer(T* p )
{
ptr = p;
}
inline void setValue(const T& value )
{
*beginEdit()=value;
endEdit();
}
inline const T& getValue() const
{
if (this->dirty)
{
DataPtr* data = const_cast <DataPtr*> (this);
data->update();
}
return *ptr;
}
protected:
/// Pointer to the parameter
T* ptr;
const T& value() const
{
if (this->dirty)
{
DataPtr* data = const_cast <DataPtr*> (this);
data->update();
}
return *ptr;
}
T& value()
{
if (this->dirty)
{
DataPtr* data = const_cast <DataPtr*> (this);
data->update();
}
return *ptr;
}
};
} // namespace objectmodel
} // namespace core
} // namespace sofa
#endif
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