/****************************************************************************
**
** This file is part of the LibreCAD project, a 2D CAD program
**
** 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 RS_ACTIONDRAWPOLYLINE_H
#define RS_ACTIONDRAWPOLYLINE_H

#include "rs_previewactioninterface.h"


/**
 * This action class can handle user events to draw 
 * simple lines with the start- and endpoint given.
 *
 * @author Andrew Mustun
*/
class RS_ActionDrawPolyline : public RS_PreviewActionInterface {
	Q_OBJECT
public:
	/**
     * Action States.
     */
    enum Status {
        SetStartpoint,   /**< Setting the startpoint.  */
        SetNextPoint      /**< Setting the endpoint. */
    };

	enum SegmentMode {
    Line=0,
    Tangential=1,
    TanRad=2,
//	TanAng,
//	TanRadAng,
    Ang=3,
//	RadAngEndp,
//	RadAngCenp
    };

public:
    RS_ActionDrawPolyline(RS_EntityContainer& container,
                      RS_GraphicView& graphicView);
	~RS_ActionDrawPolyline() override;
	
    void reset();

	void init(int status=0) override;
	void trigger() override;
	
	void mouseMoveEvent(QMouseEvent* e) override;
	void mouseReleaseEvent(QMouseEvent* e) override;
	
	void coordinateEvent(RS_CoordinateEvent* e) override;
	void commandEvent(RS_CommandEvent* e) override;
		QStringList getAvailableCommands() override;
	
	void showOptions() override;
	void hideOptions() override;
	
	void updateMouseButtonHints() override;
	void updateMouseCursor() override;

	void close();
	void undo();

	void setMode(SegmentMode m);

	int getMode() const;

	void setRadius(double r) ;

	double getRadius() const;

	void setAngle(double a);

	double getAngle() const;

	void setReversed( bool c);

	bool isReversed() const;

	double solveBulge(RS_Vector mouse);

protected:
    double Radius;
    double Angle;
    SegmentMode Mode;
	int m_Reversed;
    bool calculatedSegment;

	struct Points;
	std::unique_ptr<Points> pPoints;
};

#endif