/*
   entitywidget.h
   This file is part of the Project::OSiRiON world editor 
   and is distributed under the terms and conditions of 
   the GNU General Public License version 2
*/

#ifndef __INCLUDED_EDITOR_ENTITYWIDGET__
#define __INCLUDED_EDITOR_ENTITYWIDGET__

#include "entityproperties.h"

#include <QWidget>
#include <QList>
#include <QString>

namespace editor
{

/**
 * @brief a Widget resembling an entity on the map
 * */
class EntityWidget : public QWidget
{
	Q_OBJECT
	
public:
	enum Selected {SelectNone = 0, SelectHighlight = 1, SelectActive = 2};
	
	/**
	 * @brief default constructor with parent widget
	 * */
	EntityWidget(QWidget *parent = 0);
	
	/**
	 * @brief copy another EntityWidget
	 * */
	EntityWidget(EntityWidget &entity_widget, QWidget *parent = 0);

	/**
	 * @brief returns the entity propertie
	 * */
	inline EntityProperties *properties() {
		return &entitywidget_entityproperties;
	}
	
	inline const Selected selected() const {
		return entitywidget_selected;
	}
	
	/**
	 * @brief assignment operator
	 * */
	void assign(EntityWidget &other);
	
signals:
	/**
	 * @brief this signal is emitted if the entity is clicked with the left mouse button
	 * */
	void clicked(EntityWidget *entity);
	
	/**
	 * @brief this signal is emitted when the entity is first dragged
	 * */
	void dragStart();
	
	/**
	 * @brief this signal is emitted when the entity stops being dragged
	 * */
	void dragStop();
	
	/**
	 * @brief this signal is emitted if the entity is dragged
	 * */
	void dragMove(EntityWidget *entity, int x, int y);
	
public slots:

	/**
	 * @brief set the selected state
	 * */
	void set_selected(Selected selected);

protected:
	/**
	 * @brief handle draw events
	 * */
	virtual void paintEvent(QPaintEvent *event);
	
	/**
	 * @brief handle mouse button press events
	 * */
	virtual void mousePressEvent(QMouseEvent *event);

	/**
	 * @brief handle mouse button press events
	 * */
	virtual void mouseReleaseEvent(QMouseEvent *event);

	/**
	 * @brief handle mouse move press events
	 * */
	virtual void mouseMoveEvent(QMouseEvent *event);
	
private:
	EntityProperties	entitywidget_entityproperties;
	
	Selected		entitywidget_selected;
	bool			is_dragging;
	
};

}

#endif // __INCLUDED_EDITOR_ENTITYWIDGET__