/*
 * Copyright 2006, Haiku.
 * Distributed under the terms of the MIT License.
 *
 * Authors:
 *              Stephan Aßmus <superstippi@gmx.de>
 */

#ifndef COMMAND_H
#define COMMAND_H

#include <SupportDefs.h>
#include <String.h>

class BString;

class Command {
 public:
                                                                Command();
        virtual                                         ~Command();
        
        virtual status_t                        InitCheck();

        virtual status_t                        Perform();
        virtual status_t                        Undo();
        virtual status_t                        Redo();

        virtual void                            GetName(BString& name);

        virtual bool                            UndoesPrevious(const Command* previous);
        virtual bool                            CombineWithNext(const Command* next);
        virtual bool                            CombineWithPrevious(const Command* previous);

 protected:
                        const char*                     _GetString(uint32 key,
                                                                                   const char* defaultString) const;

                        bigtime_t                       fTimeStamp;
};

#endif // COMMAND_H