/***************************************************************************
 *   Copyright (c) 2013 Jan Rheinländer                                    *
 *                                   <jrheinlaender@users.sourceforge.net> *
 *                                                                         *
 *   This file is part of the FreeCAD CAx development system.              *
 *                                                                         *
 *   This library is free software; you can redistribute it and/or         *
 *   modify it under the terms of the GNU Library General Public           *
 *   License as published by the Free Software Foundation; either          *
 *   version 2 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 Library General Public License for more details.                  *
 *                                                                         *
 *   You should have received a copy of the GNU Library General Public     *
 *   License along with this library; see the file COPYING.LIB. If not,    *
 *   write to the Free Software Foundation, Inc., 59 Temple Place,         *
 *   Suite 330, Boston, MA  02111-1307, USA                                *
 *                                                                         *
 ***************************************************************************/

#include "PreCompiled.h"

#include "FemConstraintContact.h"


using namespace Fem;

PROPERTY_SOURCE(Fem::ConstraintContact, Fem::Constraint)

ConstraintContact::ConstraintContact()
{
/*Note: Initialise parameters here*/
    ADD_PROPERTY(Slope,(0.0));
    ADD_PROPERTY(Friction,(0.0));
/* */

    ADD_PROPERTY_TYPE(Points,(Base::Vector3d()),"ConstraintContact",App::PropertyType(App::Prop_ReadOnly|App::Prop_Output),
                      "Points where symbols are drawn");
    ADD_PROPERTY_TYPE(Normals,(Base::Vector3d()),"ConstraintContact",App::PropertyType(App::Prop_ReadOnly|App::Prop_Output),
                                                                             "Normals where symbols are drawn");
    Points.setValues(std::vector<Base::Vector3d>());
    Normals.setValues(std::vector<Base::Vector3d>());
}

App::DocumentObjectExecReturn *ConstraintContact::execute()
{
    return Constraint::execute();
}

const char* ConstraintContact::getViewProviderName() const
{
    return "FemGui::ViewProviderFemConstraintContact";
}

void ConstraintContact::onChanged(const App::Property* prop)
{
    Constraint::onChanged(prop);

    if (prop == &References) {
        std::vector<Base::Vector3d> points;
        std::vector<Base::Vector3d> normals;
        int scale = 1; //OvG: Enforce use of scale
        if (getPoints(points, normals, &scale)) {
            Points.setValues(points);
            Normals.setValues(normals);
            Scale.setValue(scale); //OvG: Scale
            Points.touch(); // This triggers ViewProvider::updateData()
        }
    }
}