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#ifndef FXDATA_H
#define FXDATA_H

// TnzBase includes
#include "tfx.h"

// TnzLib includes
#include "toonz/fxcommand.h"
#include "toonz/txshcolumn.h"
#include "toonz/tcolumnfx.h"

// TnzQt includes
#include "toonzqt/dvmimedata.h"

// Qt includes
#include <QList>
#include <QPair>

using namespace TFxCommand;

//**********************************************************************
//    FxsData  declaration
//**********************************************************************

class FxsData : public DvMimeData
{
	QList<TFxP> m_fxs;
	QMap<TFx *, bool> m_visitedFxs;
	QMap<TFx *, int> m_zeraryFxColumnSize;
	QList<TXshColumnP> m_columns;
	bool m_connected;

public:
	FxsData();

	FxsData *clone() const;

	//! Set the FxsData. FxsData<-QList<TFxP>
	void setFxs(const QList<TFxP> &selectedFxs, const QList<Link> &selectedLinks, const QList<int> &columnIndexes, TXsheet *xsh);

	//! Get the FxsData. FxsData->QList<TFxP>
	void getFxs(QList<TFxP> &selectedFxs, QMap<TFx *, int> &zeraryFxColumnSize, QList<TXshColumnP> &columns) const;

	//! Return true if copied fxs makes a connected graph.
	bool isConnected() const { return m_connected; }

private:
	void checkConnectivity();
	void visitFx(TFx *fx);
	bool areLinked(TFx *outFx, TFx *inFx);
};

#endif // FXDATA_H