| /*************************************************************************** | |
| * 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 * | |
| * * | |
| ***************************************************************************/ | |
| 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(); | |
| } | |