DrawViewBalloon.h

/***************************************************************************
 *   Copyright (c) 2013 Luke Parry <l.parry@warwick.ac.uk>                 *
 *                                                                         *
 *   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 _TechDraw_DrawViewBalloon_h_
#define _TechDraw_DrawViewBalloon_h_
#include <tuple>

# include <App/DocumentObject.h>
# include <App/FeaturePython.h>
# include <App/PropertyLinks.h>
# include <App/PropertyUnits.h>

#include "DrawView.h"

class TopoDS_Shape;

namespace Measure {
class Measurement;
}
namespace TechDraw {

class DrawViewPart;

class TechDrawExport DrawViewBalloon : public TechDraw::DrawView
{
    PROPERTY_HEADER_WITH_OVERRIDE(TechDraw::DrawViewBalloon);

public:
    /// Constructor
    DrawViewBalloon();
    virtual ~DrawViewBalloon();

    App::PropertyLink            SourceView;
    App::PropertyString          Text;
    App::PropertyEnumeration     EndType;
    App::PropertyEnumeration     BubbleShape;
    App::PropertyFloatConstraint ShapeScale;
    App::PropertyFloatConstraint EndTypeScale;
    App::PropertyDistance        OriginX;
    App::PropertyDistance        OriginY;
    App::PropertyFloat           TextWrapLen;
    App::PropertyDistance        KinkLength;
    App::PropertyBool            LineVisible;

    short mustExecute() const override;

    DrawViewPart* getViewPart() const;
    QPointF origin;

    //virtual PyObject *getPyObject(void);

    virtual App::DocumentObjectExecReturn *execute(void) override;

    virtual const char* getViewProviderName(void) const override {
        return "TechDrawGui::ViewProviderBalloon";
    }

    static const char* balloonTypeEnums[];

    void handleXYLock(void) override;

    double prefKinkLength(void) const;
    int prefShape(void) const;
    int prefEnd(void) const;
    void setOrigin(Base::Vector3d newOrigin);

    Base::Vector3d getOriginOffset() const;

protected:
    void onChanged(const App::Property* prop) override;
    virtual void handleChangedPropertyType(Base::XMLReader &reader, 
                                           const char *TypeName, 
                                           App::Property * prop) override;
    virtual void handleChangedPropertyName(Base::XMLReader &reader, 
                                           const char * TypeName, 
                                           const char *PropName) override;

private:
    static App::PropertyFloatConstraint::Constraints SymbolScaleRange;

};

} //namespace TechDraw
#endif