MRChangeNameAction.h

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#pragma once
 
#include "MRHistoryAction.h"
#include "MRObject.h"
#include <memory>
#include <string>
 
namespace MR
{
 
class ChangeNameAction : public HistoryAction
{
public:
    ChangeNameAction( const std::string& actionName, std::shared_ptr<Object> obj ) :
        obj_{ std::move( obj ) },
        actionName_{ actionName }
    {
        objName_ = obj_->name();
    }
 
    virtual std::string name() const override
    {
        return actionName_;
    }
 
    virtual void action( HistoryAction::Type ) override
    {
        if ( !obj_ )
            return;
 
        auto n = obj_->name();
        obj_->setName( std::move( objName_ ) );
        objName_ = std::move( n );
    }
 
    [[nodiscard]] virtual size_t heapBytes() const override
    {
        return objName_.capacity() + actionName_.capacity();
    }
 
private:
    std::shared_ptr<Object> obj_;
    std::string objName_;
 
    std::string actionName_;
};
 
} // namespace MR