/***************************************************************************
 *   Copyright (c) 2009 Werner Mayer <wmayer[at]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"

#ifndef _PreComp_
# include <sstream>
# include <BRep_Builder.hxx>
# include <Standard_Failure.hxx>
# include <TopoDS_Compound.hxx>
#endif


#include <Base/Writer.h>
#include <Base/Reader.h>
#include <Base/Exception.h>
#include <Base/FileInfo.h>

#include "FeatureProjection.h"
#include "ProjectionAlgos.h"

using namespace Drawing;


PROPERTY_SOURCE(Drawing::FeatureProjection, Part::Feature)


FeatureProjection::FeatureProjection() 
{
    static const char *group = "Projection";
    ADD_PROPERTY_TYPE(Source ,(0),group,App::Prop_None,"Shape to project");
    ADD_PROPERTY_TYPE(Direction ,(Base::Vector3d(0,0,1)),group,App::Prop_None,"Projection direction");
    ADD_PROPERTY_TYPE(VCompound        ,(true),group,App::Prop_None,"Projection parameter");
    ADD_PROPERTY_TYPE(Rg1LineVCompound ,(true),group,App::Prop_None,"Projection parameter");
    ADD_PROPERTY_TYPE(RgNLineVCompound ,(true),group,App::Prop_None,"Projection parameter");
    ADD_PROPERTY_TYPE(OutLineVCompound ,(true),group,App::Prop_None,"Projection parameter");
    ADD_PROPERTY_TYPE(IsoLineVCompound ,(true),group,App::Prop_None,"Projection parameter");
    ADD_PROPERTY_TYPE(HCompound        ,(true),group,App::Prop_None,"Projection parameter");
    ADD_PROPERTY_TYPE(Rg1LineHCompound ,(true),group,App::Prop_None,"Projection parameter");
    ADD_PROPERTY_TYPE(RgNLineHCompound ,(true),group,App::Prop_None,"Projection parameter");
    ADD_PROPERTY_TYPE(OutLineHCompound ,(true),group,App::Prop_None,"Projection parameter");
    ADD_PROPERTY_TYPE(IsoLineHCompound ,(true),group,App::Prop_None,"Projection parameter");
}

FeatureProjection::~FeatureProjection()
{
}

App::DocumentObjectExecReturn *FeatureProjection::execute(void)
{
    App::DocumentObject* link = Source.getValue();
    if (!link)
        return new App::DocumentObjectExecReturn("No object linked");
    if (!link->getTypeId().isDerivedFrom(Part::Feature::getClassTypeId()))
        return new App::DocumentObjectExecReturn("Linked object is not a Part object");
    const TopoDS_Shape& shape = static_cast<Part::Feature*>(link)->Shape.getShape().getShape();
    if (shape.IsNull())
        return new App::DocumentObjectExecReturn("Linked shape object is empty");

    try {
        const Base::Vector3d& dir = Direction.getValue();
        Drawing::ProjectionAlgos alg(shape, dir);

        TopoDS_Compound comp;
        BRep_Builder builder;
        builder.MakeCompound(comp);
        if (!alg.V.IsNull() && VCompound.getValue())
            builder.Add(comp, alg.V);
        if (!alg.V1.IsNull() && Rg1LineVCompound.getValue())
            builder.Add(comp, alg.V1);
        if (!alg.VN.IsNull() && RgNLineVCompound.getValue())
            builder.Add(comp, alg.VN);
        if (!alg.VO.IsNull() && OutLineVCompound.getValue())
            builder.Add(comp, alg.VO);
        if (!alg.VI.IsNull() && IsoLineVCompound.getValue())
            builder.Add(comp, alg.VI);
        if (!alg.H.IsNull() && HCompound.getValue())
            builder.Add(comp, alg.H);
        if (!alg.H1.IsNull() && Rg1LineHCompound.getValue())
            builder.Add(comp, alg.H1);
        if (!alg.HN.IsNull() && RgNLineHCompound.getValue())
            builder.Add(comp, alg.HN);
        if (!alg.HO.IsNull() && OutLineHCompound.getValue())
            builder.Add(comp, alg.HO);
        if (!alg.HI.IsNull() && IsoLineHCompound.getValue())
            builder.Add(comp, alg.HI);

        Shape.setValue(comp);
        return App::DocumentObject::StdReturn;
    }
    catch (Standard_Failure& e) {
        return new App::DocumentObjectExecReturn(e.GetMessageString());
    }
}