#ifndef MV2DELEMENT_H
#define MV2DELEMENT_H

#include <QKeyEvent>

#include "../2D/MapView2D.h"
#include "../2D/Painter.h"

#include <Indoor/geo/BBox2.h>
#include <Indoor/geo/Line2.h>

/**
 * represents one drawable, selectable, editable, ...
 * element shown within the MapView2D
 */
class MV2DElement {

private:

	bool _focused = false;

public:

	/** dtor */
	virtual ~MV2DElement() {;}


	/** get the element's 2D bounding box */
	virtual BBox2 getBoundingBox() const = 0;

	/** get the element's minimal distance (nearest whatsoever) to the given point */
	virtual float getMinDistanceXY(const Point2 p) const = 0;

	/** repaint me */
	virtual void paint(Painter& p) = 0;



	/** got focus */
	void focus() {
		_focused = true;
		onFocus();
	}

	/** lost focus */
	void unfocus() {
		_focused = false;
		onUnfocus();
	}

	bool hasFocus() {return _focused;}


	/** mouse pressed at the given point */
	virtual void mousePressed(MapView2D* v, const Point2 p) {(void) v; (void) p;}

	/** mouse moved to the given point */
	virtual void mouseMove(MapView2D* v, const Point2 p) {(void) v; (void) p;}

	/** mouse released */
	virtual void mouseReleased(MapView2D* v, const Point2 p) {(void) v; (void) p;}

	/** key pressed. NOTE: return true when consumed. */
	virtual bool keyPressEvent(MapView2D* v, QKeyEvent* e) {(void) v; (void) e; return false;}


protected:

	virtual void onFocus() = 0;

	virtual void onUnfocus() = 0;

};

#endif // MV2DELEMENT_H