/*******************************************************************

Part of the Fritzing project - http://fritzing.org
Copyright (c) 2007-2019 Fritzing

Fritzing 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 3 of the License, or
(at your option) any later version.

Fritzing 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 Fritzing.  If not, see <http://www.gnu.org/licenses/>.

********************************************************************/



#ifndef ITEMDRAG_H
#define ITEMDRAG_H

#include <QDrag>
#include <QHash>
#include <QPixmap>
#include <QPointer>


class ItemDrag : public QObject {

	Q_OBJECT


protected:
	ItemDrag(QObject * parent = 0);
	void __dragIsDone();

public:
	static ItemDrag * singleton();
	static QHash<QObject *, QObject *> & cache();
	static void dragIsDone();
	static void cleanup();
	static void setOriginator(QWidget *);
	static QWidget * originator();
	static bool originatorIsTempBin();
	static void setOriginatorIsTempBin(bool);

signals:
	void dragIsDoneSignal(ItemDrag *);

protected:
	QHash<QObject *, QObject *> m_cache;
	QPointer<QWidget> m_originator;
	bool m_originatorIsTempBin;

protected:
	static ItemDrag * Singleton;
};

#endif
