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//
// $Id: G4GDMLMessenger.cc,v 1.3 2010/11/02 11:44:15 gcosmo Exp $
// GEANT4 tag $Name: gdml-V09-03-09 $
//
//
// class G4GDMLMessenger Implementation
//
// -------------------------------------------------------------------------

#include "G4GDMLMessenger.hh"
#include "G4GDMLParser.hh"

#include "globals.hh"
#include "G4RunManager.hh"
#include "G4UIdirectory.hh"
#include "G4UIcmdWithAString.hh"
#include "G4UIcmdWithoutParameter.hh"
#include "G4GeometryManager.hh"
#include "G4LogicalVolumeStore.hh"
#include "G4PhysicalVolumeStore.hh"
#include "G4SolidStore.hh"

G4GDMLMessenger::G4GDMLMessenger(G4GDMLParser* myPars)
  : myParser(myPars), topvol(0)
{ 
  persistencyDir = new G4UIdirectory("/persistency/");
  persistencyDir->SetGuidance("UI commands specific to persistency.");
  
  gdmlDir = new G4UIdirectory("/persistency/gdml/");
  gdmlDir->SetGuidance("GDML parser and writer.");
  
  ReaderCmd = new G4UIcmdWithAString("/persistency/gdml/read",this);
  ReaderCmd->SetGuidance("Read GDML file.");
  ReaderCmd->SetParameterName("filename",false);
  ReaderCmd->AvailableForStates(G4State_PreInit,G4State_Idle);

  TopVolCmd = new G4UIcmdWithAString("/persistency/gdml/topvol",this);
  TopVolCmd->SetGuidance("Set the top volume for writing the GDML file.");
  TopVolCmd->SetParameterName("topvol",false);

  WriterCmd = new G4UIcmdWithAString("/persistency/gdml/write",this);
  WriterCmd->SetGuidance("Write GDML file.");
  WriterCmd->SetParameterName("filename",false);
  WriterCmd->AvailableForStates(G4State_Idle);

  ClearCmd = new G4UIcmdWithoutParameter("/persistency/gdml/clear",this);
  ClearCmd->SetGuidance("Clear geometry (before reading a new one from GDML).");
  ClearCmd->AvailableForStates(G4State_Idle);
}

G4GDMLMessenger::~G4GDMLMessenger()
{
  delete ReaderCmd;
  delete WriterCmd;
  delete ClearCmd;
  delete TopVolCmd;
  delete persistencyDir;
  delete gdmlDir;
}

void G4GDMLMessenger::SetNewValue(G4UIcommand* command, G4String newValue)
{ 
  if( command == ReaderCmd )
  { 
    G4GeometryManager::GetInstance()->OpenGeometry();
    myParser->Read(newValue);
    G4RunManager::GetRunManager()->DefineWorldVolume(myParser->GetWorldVolume());
  }

  if( command == TopVolCmd )
  {
    topvol = G4LogicalVolumeStore::GetInstance()->GetVolume(newValue);
  }
   
  if( command == WriterCmd )
  {
    myParser->Write(newValue, topvol);
  }  

  if( command == ClearCmd )
  { 
    myParser->Clear();
    G4GeometryManager::GetInstance()->OpenGeometry();
    G4PhysicalVolumeStore::Clean();
    G4LogicalVolumeStore::Clean();
    G4SolidStore::Clean();
  }  
}