/*
    QAD - Qt ADvanced

    Ivan Pelipenko peri4ko@yandex.ru

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as published by
    the Free Software Foundation, either version 3 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 Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

#ifndef mapitembase_h
#define mapitembase_h

#include "qad_map_export.h"

#include <QCursor>
#include <QGeoCoordinate>
#include <QMap>
#include <QPainter>
#include <QRectF>
#include <QVariant>

class MapView;

class QAD_MAP_EXPORT MapItemBase {
	friend class MapView;

public:
	explicit MapItemBase();
	virtual ~MapItemBase();

	bool isInteracive() const { return m_interacive; }
	void setInteracive(bool newInteracive);

	QPainter::RenderHints renderHints() const { return m_hints; }
	void setRenderHints(QPainter::RenderHints h);
	void setRenderHint(QPainter::RenderHint h, bool on = true);

	bool isVisible() const { return m_visible; }
	void setVisible(bool newVisible);
	bool isHidden() const { return !isVisible(); }
	void setHidden(bool newHidden) { setVisible(!newHidden); }
	void show() { setVisible(true); }
	void hide() { setVisible(false); }

	double getRotation() const { return m_rotation; }
	void setRotation(double deg);
	void rotate(double deg);

	QPointF getScale() const { return m_scale; }
	void scale(double s) { scale({s, s}); }
	void scale(double sx, double sy) { scale({sx, sy}); }
	void scale(QPointF s);
	void setScale(double s) { setScale({s, s}); }
	void setScale(double sx, double sy) { scale({sx, sy}); }
	void setScale(QPointF s);

	QPointF position() const { return m_position; }
	void setPosition(QPointF geo);
	void setPosition(double lat, double lng) { setPosition(QPointF(lat, lng)); }
	void setPosition(QGeoCoordinate c) { setPosition(QPointF(c.latitude(), c.longitude())); }

	QPointF offset() const { return m_offset; }
	void setOffset(QPointF pixels);
	void setOffset(double x, double y) { setOffset({x, y}); }

	const QCursor & cursor() const { return m_cursor; }
	void setCursor(const QCursor & newCursor);

	QVariant data(int id) const { return data_.value(id); }
	void setData(int id, const QVariant & d) { data_[id] = d; }

protected:
	QPointF mapToView(QPointF norm) const;
	double scalePx2M(QPointF norm) const;
	virtual void draw(QPainter * p) = 0;
	void updateParent();
	void setBoundingRect(QRectF b);

	QPointF norm_pos;
	bool ignore_scale = false;

private:
	void updatePosition();
	virtual void potitionChanged() {}
	virtual void zoomChanged() {}

	MapView * parent = nullptr;
	bool m_visible = true, m_interacive = false;
	double m_rotation = 0.;
	QPointF m_position, m_scale = {1., 1.}, m_offset;
	QRectF m_bounding;
	QCursor m_cursor;
	QPainter::RenderHints m_hints;
	QMap<int, QVariant> data_;
};


#endif