#ifndef _metadataBase_h_
#define _metadataBase_h_

#include <string>
#include <cmdUtils.h>
#include <maya/MFn.h>
#include <maya/MPxCommand.h>
#include <maya/MObjectArray.h>

// Forward declarations
namespace adsk { namespace Data { class AssociationsSerializer; } }
class MFileObject;

///////////////////////////////////////////////////////////////////////////////
//
// Base class for data stream commands. Extracts common functionality such
// as identifying the objects and stream component types.
//
////////////////////////////////////////////////////////////////////////////////


class metadataBase : public MPxCommand
{
public:
	static MSyntax cmdSyntax	();

	metadataBase				();
	virtual ~metadataBase		();

	// No creator because this is a top-level class, not an actual command

	virtual MStatus	doIt		( const MArgList& );
	virtual MStatus	redoIt		();
	virtual MStatus	undoIt		();

	virtual bool	isUndoable	()						const;
	virtual bool 	hasSyntax	()						const;

protected:
	virtual MStatus checkArgs	( MArgDatabase& argDb );
	virtual MStatus doCreate	();
	virtual MStatus doEdit		();
	virtual MStatus doQuery		();

	//========================================
	//
	// Arguments common to all derived commands
	//
	OptFlag<MString, CommandMode(kCreate)> fFileFlag;
	OptFlag<MString, CommandMode(kCreate)> fMetadataFormatFlag;
	//
	//========================================

protected:
	CommandMode		fMode;	 	// Command mode
	MObjectArray	fObjects;	// Object(s) to which the command applies
	MFileObject*	fFile;		// File to use for operations
	const adsk::Data::AssociationsSerializer* fSerializer; // Serialization format
};

//-
//==========================================================================
// Copyright (c) 2013 Autodesk, Inc.
// All rights reserved.
//
// These coded instructions, statements, and computer programs contain
// unpublished proprietary information written by Autodesk, Inc., and are
// protected by Federal copyright law. They may not be disclosed to third
// parties or copied or duplicated in any form, in whole or in part, without
// the prior written consent of Autodesk, Inc.
//==========================================================================
//+

#endif // _metadataBase_h_