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// $Id: G4VModelCommand.hh,v 1.4 2006/09/11 21:22:02 tinslay Exp $
// GEANT4 tag $Name:  $
// 
// Jane Tinslay, John Allison, Joseph Perl November 2005
//
// Class Description
// Templated base class for model messengers. Commands specific to a particular
// concrete model should inherit from G4VModelCommand, with the concrete model
// type as the template parameter.
// Class Description - End:

#ifndef G4VMODELCOMMAND_HH
#define G4VMODELCOMMAND_HH

#include "G4UImessenger.hh"
#include "G4String.hh"

class G4UIcommand;

template <typename T>
class G4VModelCommand : public G4UImessenger {

public: 

  // Constructor
  G4VModelCommand(T* model, const G4String& placement="");

  // Destructor
  virtual ~G4VModelCommand();

  // Methods
  G4String GetCurrentValue(G4UIcommand* command);
  G4String Placement();

protected:

  // Access to model
  T* Model();

private:

  // Data members
  T* fpModel;
  G4String fPlacement;
};

template <typename T>
G4VModelCommand<T>::G4VModelCommand(T* model, const G4String& placement)
  :fpModel(model)
  ,fPlacement(placement)
{}

template <typename T>
G4VModelCommand<T>::~G4VModelCommand() {}

template <typename T>
G4String 
G4VModelCommand<T>::GetCurrentValue(G4UIcommand*) 
{
  return "";
}

template <typename T>
T*
G4VModelCommand<T>::Model() 
{
  return fpModel;
}

template <typename T>
G4String
G4VModelCommand<T>::Placement() 
{
  return fPlacement;
}

#endif