Command.h

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// -*- c-basic-offset: 4 -*-
#ifndef _APPBASE_COMMAND_H
#define _APPBASE_COMMAND_H

#include <string>


namespace AppBase {
    

template <class StringType = std::string>
class Command
{
    
    public:
        //
        Command()
            : m_successful(false)
        {};
        
        Command(const StringType& commandName)
            : m_name(commandName), m_successful(false)
        {};

        virtual ~Command() {};

        
    public:
        virtual void execute() = 0;
        
        virtual void undo() = 0;
        
        virtual void redo()
            { execute(); };
        
        
    public:
        virtual StringType getName() const 
            { return m_name; }
        
        virtual void setName(const StringType& newName)
            { m_name = newName; }
        
        
    public:
        virtual bool wasSuccessful()
            { return m_successful;}
        
    protected:
        virtual void setSuccessful(bool success = true)
            { m_successful = success; }
        
        
    private:
        bool m_successful;
        StringType m_name;
};


} //namespace

typedef AppBase::Command<> Command;

#endif // _H

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