FreeCAD / src /Mod /PartDesign /App /FeatureBase.cpp

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/***************************************************************************
 *   Copyright (c) 2017 Stefan Tröger <stefantroeger@gmx.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 <Standard_Failure.hxx>


#include <App/FeaturePythonPyImp.h>
#include "Body.h"
#include "FeatureBase.h"
#include "FeaturePy.h"

namespace PartDesign
{


PROPERTY_SOURCE(PartDesign::FeatureBase, PartDesign::Feature)

FeatureBase::FeatureBase()
{
    BaseFeature.setScope(App::LinkScope::Global);
    BaseFeature.setStatus(App::Property::Hidden, false);
}

Part::Feature* FeatureBase::getBaseObject(bool) const
{

    return nullptr;
}

short int FeatureBase::mustExecute() const
{

    if (BaseFeature.isTouched()) {
        return 1;
    }

    return PartDesign::Feature::mustExecute();
}


App::DocumentObjectExecReturn* FeatureBase::execute()
{

    if (!BaseFeature.getValue()) {
        return new App::DocumentObjectExecReturn(
            QT_TRANSLATE_NOOP("Exception", "BaseFeature link is not set")
        );
    }

    if (!BaseFeature.getValue()->isDerivedFrom<Part::Feature>()) {
        return new App::DocumentObjectExecReturn(
            QT_TRANSLATE_NOOP("Exception", "BaseFeature must be a Part::Feature")
        );
    }

    auto shape = Part::Feature::getTopoShape(
        BaseFeature.getValue(),
        Part::ShapeOption::ResolveLink | Part::ShapeOption::Transform
    );
    if (shape.isNull()) {
        return new App::DocumentObjectExecReturn(
            QT_TRANSLATE_NOOP("Exception", "BaseFeature has an empty shape")
        );
    }

    Shape.setValue(shape);

    return StdReturn;
}

void FeatureBase::trySetBaseFeatureOfBody()
{
    if (auto body = getFeatureBody()) {
        if (BaseFeature.getValue() && body->BaseFeature.getValue()
            && body->BaseFeature.getValue() != BaseFeature.getValue()) {
            body->BaseFeature.setValue(BaseFeature.getValue());
        }
    }
}

void FeatureBase::onChanged(const App::Property* prop)
{

    // the BaseFeature property should track the Body BaseFeature and vice-versa
    if (prop == &BaseFeature) {
        trySetBaseFeatureOfBody();
    }

    PartDesign::Feature::onChanged(prop);
}

void FeatureBase::onDocumentRestored()
{
    // if the base is not part of a body then show its placement property again
    auto body = getFeatureBody();
    if (!body) {
        Placement.setStatus(App::Property::Hidden, false);
    }
    PartDesign::Feature::onDocumentRestored();
}

}  // namespace PartDesign

	/***************************************************************************
	* Copyright (c) 2017 Stefan Tröger <stefantroeger@gmx.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 <Standard_Failure.hxx>


	#include <App/FeaturePythonPyImp.h>
	#include "Body.h"
	#include "FeatureBase.h"
	#include "FeaturePy.h"

	namespace PartDesign
	{


	PROPERTY_SOURCE(PartDesign::FeatureBase, PartDesign::Feature)

	FeatureBase::FeatureBase()
	{
	BaseFeature.setScope(App::LinkScope::Global);
	BaseFeature.setStatus(App::Property::Hidden, false);
	}

	Part::Feature* FeatureBase::getBaseObject(bool) const
	{

	return nullptr;
	}

	short int FeatureBase::mustExecute() const
	{

	if (BaseFeature.isTouched()) {
	return 1;
	}

	return PartDesign::Feature::mustExecute();
	}


	App::DocumentObjectExecReturn* FeatureBase::execute()
	{

	if (!BaseFeature.getValue()) {
	return new App::DocumentObjectExecReturn(
	QT_TRANSLATE_NOOP("Exception", "BaseFeature link is not set")
	);
	}

	if (!BaseFeature.getValue()->isDerivedFrom<Part::Feature>()) {
	return new App::DocumentObjectExecReturn(
	QT_TRANSLATE_NOOP("Exception", "BaseFeature must be a Part::Feature")
	);
	}

	auto shape = Part::Feature::getTopoShape(
	BaseFeature.getValue(),
	Part::ShapeOption::ResolveLink \| Part::ShapeOption::Transform
	);
	if (shape.isNull()) {
	return new App::DocumentObjectExecReturn(
	QT_TRANSLATE_NOOP("Exception", "BaseFeature has an empty shape")
	);
	}

	Shape.setValue(shape);

	return StdReturn;
	}

	void FeatureBase::trySetBaseFeatureOfBody()
	{
	if (auto body = getFeatureBody()) {
	if (BaseFeature.getValue() && body->BaseFeature.getValue()
	&& body->BaseFeature.getValue() != BaseFeature.getValue()) {
	body->BaseFeature.setValue(BaseFeature.getValue());
	}
	}
	}

	void FeatureBase::onChanged(const App::Property* prop)
	{

	// the BaseFeature property should track the Body BaseFeature and vice-versa
	if (prop == &BaseFeature) {
	trySetBaseFeatureOfBody();
	}

	PartDesign::Feature::onChanged(prop);
	}

	void FeatureBase::onDocumentRestored()
	{
	// if the base is not part of a body then show its placement property again
	auto body = getFeatureBody();
	if (!body) {
	Placement.setStatus(App::Property::Hidden, false);
	}
	PartDesign::Feature::onDocumentRestored();
	}

	} // namespace PartDesign