MetadataSample/metadataBase.h

#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// unpublished proprietary information written by Autodesk, Inc., and are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_