/*
	QAD - Qt ADvanced

	Ivan Pelipenko peri4ko@yandex.ru, Andrey Bychkov work.a.b@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 BLOCKBASE_H
#define BLOCKBASE_H

#include <QGraphicsView>
#include <QGraphicsScene>
#include <QGraphicsItem>
#include <QGraphicsObject>
#include <QGraphicsEllipseItem>
#include <QGraphicsSceneHoverEvent>
#include <QGraphicsSceneMouseEvent>
#include <QStack>
#include "qad_types.h"
#include "qad_blockview_export.h"


static const int _blockitem_current_version_ = 1;


enum BlockviewItemData {
	bvidSelected     = 1000, // bool
	bvidType               , // BlockviewItemType
	bvidItemPos            , // QPointF
	bvidDecorText          , // QString  src text for QGraphicsSimpleTextItem
	bvidMoveParent         , // bool  flag for move parent
	bvidVisualizeSelection , // bool  flag for visualize selection
	bvidItemSelection      , // bool  BlockItem selection
	bvidTmpItem            , // bool  item is temporary, ignore
	bvidBlockDecor         , // bool  item is BlockItem decor
	bvidDTHandle           , // bool
	bvidCorrectMove        , // bool
};

enum BlockviewItemType {
	bvitInvalid,
	bvitPin,
	bvitBus,
	bvitBlock,
	bvitDecor,
};

QAD_BLOCKVIEW_EXPORT QDataStream & operator <<(QDataStream & s, const QGraphicsItem * item);
QAD_BLOCKVIEW_EXPORT QDataStream & operator >>(QDataStream & s, QGraphicsItem *& item);


class QAD_BLOCKVIEW_EXPORT BlockItemBase: public QObject
{
	Q_OBJECT
	Q_ENUMS(Action)
public:
	
	enum Action {
		BlockAdd = 1,
		BlockMove,
		BlockRemove,
		BlockCopy,
		BusAdd,
		BusRemove,
		BusPointAdd,
		BusPointMove,
		BusPointRemove,
		BusSegmentAdd,
		BusSegmentMove,
		BusSegmentRemove,
		Paste
	};
	
};

#endif // BLOCKBASE_H