86 lines
3.4 KiB
C++
86 lines
3.4 KiB
C++
/***************************************************************************
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* Copyright (c) 2013 Jan Rheinländer *
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* <jrheinlaender@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 <BRepBuilderAPI_MakeVertex.hxx>
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# include <Standard_Version.hxx>
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#endif
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#include "DatumPoint.h"
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using namespace PartDesign;
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using namespace Attacher;
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// ============================================================================
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PROPERTY_SOURCE(PartDesign::Point, Part::Datum)
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Point::Point()
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{
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this->setAttacher(new AttachEnginePoint);
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this->makeShape();
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}
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Point::~Point()
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{
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}
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void Point::onChanged(const App::Property* prop)
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{
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if(prop == &(this->Shape)){
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//fix for #0002758 Datum point moves to (0,0,0) when reopening the file.
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//bypass Part::Feature's onChanged, which may alter Placement property to match shape's placement.
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//This is to prevent loss of correct Placement when restoring Shape from file.
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App::GeoFeature::onChanged(prop);
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return;
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}
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Superclass::onChanged(prop);
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}
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void Point::onDocumentRestored()
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{
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//fix for #0002758 Datum point moves to (0,0,0) when reopening the file.
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//recreate shape, as the restored one has old Placement burned into it.
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this->makeShape();
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Superclass::onDocumentRestored();
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}
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void Point::makeShape()
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{
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// Create a shape, which will be used by Sketcher, attachables, and whatever. Them main function is to avoid a dependency of
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// Sketcher on the PartDesign module
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BRepBuilderAPI_MakeVertex builder(gp_Pnt(0,0,0));
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if (!builder.IsDone())
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return;
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Part::TopoShape tshape(builder.Shape());
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tshape.setPlacement(this->Placement.getValue());
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Shape.setValue(tshape);
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}
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Base::Vector3d Point::getPoint()
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{
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return Placement.getValue().getPosition();
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}
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