//
// KBlackBox
//
// A simple game inspired by an emacs module
//
/***************************************************************************
 *   Copyright (c) 1999-2000, Robert Cimrman                               *
 *   cimrman3@students.zcu.cz                                              *
 *                                                                         *
 *   Copyright (c) 2007, Nicolas Roffet                                    *
 *   nicolas-kde@roffet.com                                                *
 *                                                                         *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   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 St, Fifth Floor, Boston, MA 02110-1301, USA               *
 ***************************************************************************/

#ifndef KBBGRAPHICSITEMRAYRESULT_H
#define KBBGRAPHICSITEMRAYRESULT_H



class QGraphicsScene;
class QGraphicsSvgItem;


#include "kbbgraphicsitem.h"
#include "kbbgraphicsitemborder.h"
#include "kbbitemwithposition.h"
class KBBScalableGraphicWidget;
class KBBThemeManager;



/**
 * @brief Result of a laser ray shoot in the black box
 *
 * There 3 kinds of ray results:
 *   - HIT: if the laser ray hits a ball in the black box by entering at the considered position.
 *   - REFLECTION: if the laser ray exits the black box at the entrance point.
 *   - A number to display both positions where the laser ray entered and exited the black box. Both positions are opposite positions of each other and belong together.
 */
class KBBGraphicsItemRayResult : public KBBGraphicsItemBorder, public KBBGraphicsItem, public KBBItemWithPosition
{
	public:
		KBBGraphicsItemRayResult(KBBScalableGraphicWidget* parent, KBBThemeManager* themeManager, QGraphicsScene* scene, const int borderPosition, const int columns, const int rows, const int rayNumber);


		/**
		 * @brief Destructor of the class and dependent object
		 * Call this methode to destroy simultaneously this QGraphicsItem and all other dependent QGraphicsItems: The number or the sign.
		 */
		void cleanDelete();

		/**
		 * @brief Highlight the item
		 * 
		 * Usually used when the mouse goes over the item or over the opposite item.
		 */
		void highlight(bool state);

		/**
		 * @brief Highlight the item and the opposite one
		 */
		void highlightBoth(bool state);

		/**
		 * @brief Get the border position
		 */
		int position();

		/**
		 * @brief Define the opposite "ray result" item
		 * 
		 * Used if the result is not a HIT and not a REFLECTION. In the other case, the opoosite is the item itself and this method doesn't need to be called.
		 * @param opposite Correspondent item with the same "number".
		 */
		void setOpposite(KBBGraphicsItemRayResult* opposite);

		/**
		 * @brief Set the pause state
		 */
		void setPause(bool state);


	private:
		void hoverEnterEvent (QGraphicsSceneHoverEvent*);
		void hoverLeaveEvent (QGraphicsSceneHoverEvent*);
		
		QString m_elementIdResultBackground;
		QString m_elementIdResultBackgroundHighlight;
		QGraphicsSvgItem* m_notNumber;
		QGraphicsSimpleTextItem* m_number;
		KBBGraphicsItemRayResult* m_opposite;
		bool m_pause;
		QGraphicsScene* m_scene;
		KBBScalableGraphicWidget* m_widget;
};

#endif // KBBGRAPHICSITEMRAYRESULT_H
