//
// ********************************************************************
// * License and Disclaimer                                           *
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//
//
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#include "PrimaryGeneratorMessenger.hh"

#include "PrimaryGeneratorAction.hh"
#include "G4UIdirectory.hh"
#include "G4UIcmdWithoutParameter.hh"
#include "G4UIcmdWithADoubleAndUnit.hh"

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PrimaryGeneratorMessenger::PrimaryGeneratorMessenger(
                                             PrimaryGeneratorAction* Gun)
:Action(Gun)
{
  gunDir = new G4UIdirectory("/ams/gun/");
  gunDir->SetGuidance("gun control");
   
  DefaultCmd = new G4UIcmdWithoutParameter("/ams/gun/setDefault",this);
  DefaultCmd->SetGuidance("set/reset kinematic defined in PrimaryGenerator");
  DefaultCmd->AvailableForStates(G4State_PreInit,G4State_Idle);
  
  RndmCmd = new G4UIcmdWithADoubleAndUnit("/ams/gun/beam",this);
  RndmCmd->SetGuidance("random lateral extension on the beam");
  RndmCmd->SetGuidance(" max: 0.5*sizeYZ");
  RndmCmd->SetParameterName("rBeam",false);
  RndmCmd->SetRange("rBeam>=0.");
  RndmCmd->SetUnitCategory("Length");  
  RndmCmd->AvailableForStates(G4State_Idle);  
}

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PrimaryGeneratorMessenger::~PrimaryGeneratorMessenger()
{
  delete DefaultCmd;
  delete RndmCmd;
  delete gunDir;  
}

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void PrimaryGeneratorMessenger::SetNewValue(G4UIcommand* command,
                                               G4String newValue)
{ 
  if( command == DefaultCmd )
   { Action->SetDefaultKinematic();}
   
  if( command == RndmCmd )
   { Action->SetRndmBeam(RndmCmd->GetNewDoubleValue(newValue));}   
}

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