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create/src/Mod/Part/App/AttachableObject.h

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/***************************************************************************
* Copyright (c) Victor Titov (DeepSOIC) *
* (vv.titov@gmail.com) 2015 *
* *
* 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 *
* *
***************************************************************************/
/**
* AttachableObject.h, .cpp contain a class to derive other features from, to make
* them attachable.
*/
#ifndef PARTATTACHABLEOBJECT_H
#define PARTATTACHABLEOBJECT_H
#include <App/PropertyStandard.h>
#include <App/PropertyLinks.h>
#include <App/GeoFeature.h>
#include <Base/Vector3D.h>
#include <Base/Placement.h>
#include <Base/Exception.h>
#include "PartFeature.h"
#include "Attacher.h"
#include <QString>
#include <gp_Vec.hxx>
namespace Part
{
/**
* @brief The AttachableObject class is the thing to be inherited by an object
* that should be attachable. It includes the required properties, and
* shortcuts for accessing the attachment math class.
*
* Todos to make it work:
* - call Attacher::execute() when executing derived object. Make sure to deal
* with its return value, otherwise it will leak memory upon fails.
*/
class PartExport AttachableObject : public Part::Feature
{
PROPERTY_HEADER(Part::AttachableObject);
public:
AttachableObject();
virtual ~AttachableObject();
/**
* @brief setAttacher sets the AttachEngine object. The class takes the
* ownership of the pointer, it will be deleted when the class is
* destroyed, or when a new attacher is set. The default attacher is AttachEngine3D.
* @param attacher. AttachableObject takes ownership and will delete it eventually.
*/
virtual void setAttacher(Attacher::AttachEngine* attacher);
Attacher::AttachEngine &attacher(void) const {return *_attacher;}
/// if the 2DObject lies on the Face of an other object this links to it
App::PropertyLinkSubList Support;
App::PropertyEnumeration MapMode; //see AttachEngine::eMapMode
App::PropertyBool MapReversed; //inverts Z and X internal axes
App::PropertyPlacement superPlacement;
/**
* @brief MapPathParameter is a parameter value for mmNormalToPath (the
* sketch will be mapped normal to a curve at point specified by parameter
* (from 0.0 to 1.0, from start to end) )
*/
App::PropertyFloat MapPathParameter;
/** calculate and update the Placement property based on the Support, and
* mode. Can throw FreeCAD and OCC exceptions. Returns true if attached,
* false if not, throws if attachment failed.
*/
virtual bool positionBySupport(void);
virtual bool isTouched_Mapping()
{return true; /*support.isTouched isn't true when linked objects are changed... why?..*/};
App::DocumentObjectExecReturn *execute(void);
protected:
virtual void onChanged(const App::Property* /*prop*/);
public:
void updateAttacherVals();
private:
Attacher::AttachEngine* _attacher;
};
} // namespace Part
#endif // PARTATTACHABLEOBJECT_H