File size: 3,415 Bytes
985c397 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 | /***************************************************************************
* 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 <BRepBuilderAPI_MakeVertex.hxx>
#include <Standard_Version.hxx>
#include "DatumPoint.h"
using namespace PartDesign;
using namespace Attacher;
// ============================================================================
PROPERTY_SOURCE(PartDesign::Point, Part::Datum)
Point::Point()
{
this->setAttacher(new AttachEnginePoint);
this->makeShape();
}
Point::~Point() = default;
void Point::onChanged(const App::Property* prop)
{
if (prop == &(this->Shape)) {
// fix for #0002758 Datum point moves to (0,0,0) when reopening the file.
// bypass Part::Feature's onChanged, which may alter Placement property to match shape's
// placement. This is to prevent loss of correct Placement when restoring Shape from file.
App::GeoFeature::onChanged(prop);
return;
}
Superclass::onChanged(prop);
}
void Point::onDocumentRestored()
{
// fix for #0002758 Datum point moves to (0,0,0) when reopening the file.
// recreate shape, as the restored one has old Placement burned into it.
this->makeShape();
Superclass::onDocumentRestored();
}
void Point::makeShape()
{
// Create a shape, which will be used by Sketcher, attachables, and whatever. Them main function
// is to avoid a dependency of Sketcher on the PartDesign module
BRepBuilderAPI_MakeVertex builder(gp_Pnt(0, 0, 0));
if (!builder.IsDone()) {
return;
}
Part::TopoShape tshape(builder.Shape());
tshape.setPlacement(this->Placement.getValue());
Shape.setValue(tshape);
}
Base::Vector3d Point::getPoint()
{
return Placement.getValue().getPosition();
}
|