/***************************************************************************
 *   Copyright (c) 2013 Jan Rheinlaender <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                                *
 *                                                                         *
 ***************************************************************************/


#ifndef PARTGUI_ViewProviderDatum_H
#define PARTGUI_ViewProviderDatum_H

#include "Gui/ViewProviderGeometryObject.h"
#include <Base/BoundBox.h>

namespace PartDesignGui {

class PartDesignGuiExport ViewProviderDatum : public Gui::ViewProviderGeometryObject
{
    PROPERTY_HEADER(PartDesignGui::ViewProviderDatum);

public:
    /// constructor
    ViewProviderDatum();
    /// destructor
    virtual ~ViewProviderDatum();

    /// grouping handling 
    void setupContextMenu(QMenu*, QObject*, const char*);

    virtual void attach(App::DocumentObject *);
    virtual bool onDelete(const std::vector<std::string> &);
    virtual void updateData(const App::Property* prop) { Gui::ViewProviderGeometryObject::updateData(prop); }
    virtual bool doubleClicked(void);
    std::vector<std::string> getDisplayModes(void) const;
    void setDisplayMode(const char* ModeName);

    /// indicates if the ViewProvider use the new Selection model
    virtual bool useNewSelectionModel(void) const { return true; }
    /// indicates if the ViewProvider can be selected
    virtual bool isSelectable(void) const ;
    /// return a hit element to the selection path or 0
    virtual std::string getElement(const SoDetail *) const;
    virtual SoDetail* getDetail(const char*) const;

    /// The datum type (Plane, Line or Point)
    QString datumType;

protected:
    void onChanged(const App::Property* prop);
    virtual bool setEdit(int ModNum);
    virtual void unsetEdit(int ModNum);


    //
    /**
     * @brief getRelevantExtents computes the bounding box of the objects
     * relevant to the datum feature, which is intended to be used for
     * determinimg the size of the rendered piece of the datum.
     * @return Bounding box of body, if the datum is in a body. Bounding box of
     * all visible shapes of a part, if in a part but not in a body. Bounding
     * box of all visible Part::Feature-derived objects if just in a document.
     * This behavior is subject to change.
     */
    virtual Base::BoundBox3d getRelevantExtents();

protected:
    SoSeparator* pShapeSep;
    std::string oldWb;
    App::DocumentObject* oldTip;

};

} // namespace PartDesignGui


#endif // PARTGUI_ViewProviderDatum_H