/****************************************************************************
**
** 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_ACTIONDRAWLINEANGLE_H
#define RS_ACTIONDRAWLINEANGLE_H

#include "rs_previewactioninterface.h"

/**
 * This action class can handle user events to draw 
 * simple lines at a given angle.
 *
 * @author Andrew Mustun
 */
class RS_ActionDrawLineAngle : public RS_PreviewActionInterface {
	Q_OBJECT
public:
    /**
     * Action States.
     */
    enum Status {
        SetPos,       /**< Setting the position.  */
		SetAngle,     /**< Setting angle in the command line. */
		SetLength     /**< Setting length in the command line. */
    };
	
    RS_ActionDrawLineAngle(RS_EntityContainer& container,
                           RS_GraphicView& graphicView,
                           double angle=0.0,
                           bool fixedAngle=false,
                           RS2::ActionType actionType=RS2::ActionDrawLineAngle);
	~RS_ActionDrawLineAngle() override;

    void reset();

	void init(int status=0) override;
	
	void trigger() override;

	void mouseMoveEvent(QMouseEvent* e) override;
	void mouseReleaseEvent(QMouseEvent* e) override;
	void preparePreview();
	
	void coordinateEvent(RS_CoordinateEvent* e) override;
	void commandEvent(RS_CommandEvent* e) override;
		QStringList getAvailableCommands() override;
	
	void hideOptions() override;
	void showOptions() override;

	void updateMouseButtonHints() override;
	void updateMouseCursor() override;

	void setSnapPoint(int sp);

	int getSnapPoint() const;

	void setAngle(double a);

	double getAngle() const;

	void setLength(double l);

	double getLength() const;

	bool hasFixedAngle() const;

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

#endif

