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/// \file medical/electronScattering/src/PrimaryGeneratorMessenger.cc
/// \brief Implementation of the PrimaryGeneratorMessenger class
//
// $Id$
//
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#include "PrimaryGeneratorMessenger.hh"

#include "PrimaryGeneratorAction.hh"
#include "G4UIdirectory.hh"
#include "G4UIcmdWithADoubleAndUnit.hh"

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PrimaryGeneratorMessenger::PrimaryGeneratorMessenger(
                                                  PrimaryGeneratorAction* Gun)
:fAction(Gun), fGunDir(0), fRndmCmd(0)
{
  fGunDir = new G4UIdirectory("/testem/gun/");
  fGunDir->SetGuidance("gun control");
  
  fRndmCmd = new G4UIcmdWithADoubleAndUnit("/testem/gun/rndm",this);
  fRndmCmd->SetGuidance("random lateral extension on the beam");
  fRndmCmd->SetGuidance("sigma of a gaussian");
  fRndmCmd->SetParameterName("rBeam",false);
  fRndmCmd->SetRange("rBeam>=0.");
  fRndmCmd->SetUnitCategory("Length");  
}

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PrimaryGeneratorMessenger::~PrimaryGeneratorMessenger()
{
  delete fRndmCmd;
  delete fGunDir;    
}

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void PrimaryGeneratorMessenger::SetNewValue(G4UIcommand* command,
                                               G4String newValue)
{    
  if (command == fRndmCmd)
   { fAction->SetRndmBeam(fRndmCmd->GetNewDoubleValue(newValue));}       
}

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