FreeCAD

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/***************************************************************************
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 *   Copyright (c) 2013 Werner Mayer <wmayer[at]users.sourceforge.net>     *
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 *                                                                         *
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 *   This file is part of the FreeCAD CAx development system.              *
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 *                                                                         *
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 *   This library is free software; you can redistribute it and/or         *
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 *   modify it under the terms of the GNU Library General Public           *
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 *   License as published by the Free Software Foundation; either          *
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 *   version 2 of the License, or (at your option) any later version.      *
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 *                                                                         *
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 *   This library  is distributed in the hope that it will be useful,      *
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 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
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 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
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 *   GNU Library General Public License for more details.                  *
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 *                                                                         *
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 *   You should have received a copy of the GNU Library General Public     *
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 *   License along with this library; see the file COPYING.LIB. If not,    *
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 *   write to the Free Software Foundation, Inc., 59 Temple Place,         *
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 *   Suite 330, Boston, MA  02111-1307, USA                                *
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 *                                                                         *
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 ***************************************************************************/
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#include "PreCompiled.h"
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#ifndef _PreComp_
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# include <BRep_Builder.hxx>
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# include <Standard_Failure.hxx>
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# include <TopoDS_Compound.hxx>
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# include <TopExp.hxx>
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# include <TopTools_IndexedMapOfShape.hxx>
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#endif
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#include "FeatureCompound.h"
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using namespace Part;
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PROPERTY_SOURCE(Part::Compound, Part::Feature)
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Compound::Compound()
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{
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    ADD_PROPERTY(Links,(nullptr));
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    Links.setSize(0);
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}
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Compound::~Compound() = default;
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short Compound::mustExecute() const
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{
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    if (Links.isTouched())
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        return 1;
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    return 0;
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}
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App::DocumentObjectExecReturn *Compound::execute()
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{
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    try {
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        // avoid duplicates without changing the order
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        // See also ViewProviderCompound::updateData
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        std::set<DocumentObject*> tempLinks;
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        std::vector<TopoShape> shapes;
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        for (auto obj : Links.getValues()) {
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            if (!tempLinks.insert(obj).second) {
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                continue;
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            }
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            auto sh = Feature::getTopoShape(obj);
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            if (!sh.isNull()) {
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                shapes.push_back(sh);
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            }
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        }
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        this->Shape.setValue(TopoShape().makeElementCompound(shapes));
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        return Part::Feature::execute();
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    }
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    catch (Standard_Failure& e) {
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        return new App::DocumentObjectExecReturn(e.GetMessageString());
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    }
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}
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////////////////////////////////////////////////////////////////////////
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PROPERTY_SOURCE(Part::Compound2, Part::Compound)
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Compound2::Compound2() {
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    Shape.setStatus(App::Property::Transient,true);
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}
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void Compound2::onDocumentRestored() {
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    Base::Placement pla = Placement.getValue();
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    auto res = execute();
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    delete res;
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    Placement.setValue(pla);
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}
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