/****************************************************************************
**
** This file is part of the LibreCAD project, a 2D CAD program
**
** Copyright (C) 2017 A. Stebich (librecad@mail.lordofbikes.de)
** Copyright (C) 2017 taoxumuye (tfy.hi@163.com)
** Copyright (C) 2010 R. van Twisk (librecad@rvt.dds.nl)
** Copyright (C) 2001-2003 RibbonSoft. All rights reserved.
**
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file gpl-2.0.txt included in the
** packaging of this file.
**
** This program 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 General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with this program; if not, write to the Free Software
** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
**
** This copyright notice MUST APPEAR in all copies of the script!
**
**********************************************************************/

#ifndef LC_ACTIONDRAWLINEPOLYGON3_H
#define LC_ACTIONDRAWLINEPOLYGON3_H


#include "rs_previewactioninterface.h"


/**
 * This action class can handle user events to draw polygons.
 *
 */
class LC_ActionDrawLinePolygonCenTan : public RS_PreviewActionInterface {
    Q_OBJECT
    enum Status {
        SetCenter,    /**< Setting center. */
        SetTangent,    /**< Setting tangent. */
        SetNumber     /**< Setting number in the command line. */
    };

public:
    LC_ActionDrawLinePolygonCenTan(RS_EntityContainer& container,
                              RS_GraphicView& graphicView);
    ~LC_ActionDrawLinePolygonCenTan() override;

    void trigger() override;

    void mouseMoveEvent(QMouseEvent* e) override;
    void mouseReleaseEvent(QMouseEvent* e) override;
    void updateMouseButtonHints() override;

    void coordinateEvent(RS_CoordinateEvent* e) override;
    void commandEvent(RS_CommandEvent* e) override;
        QStringList getAvailableCommands() override;

    void hideOptions() override;
    void showOptions() override;

    void updateMouseCursor() override;

    int getNumber() const{
        return number;
    }

    void setNumber(int n) {
        number = n;
    }

private:
    struct Points;
    std::unique_ptr<Points> pPoints;
    /** Number of edges. */
    int number = 0;
    /** Last status before entering text. */
    Status lastStatus = SetCenter;
};

#endif // LC_ACTIONDRAWLINEPOLYGON3_H
