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//
/// \file field/field01/include/F01FieldMessenger.hh
/// \brief  F01FieldMessenger allows interactive user control of
//     - the strength of the (uniform) magnetic field 
//     - the key parameters for the accuracy of integration 
//     - the integration method used - a choice between
//          * different embedded Runge-Kutta methods or 'tableaus'
//          * the symplectic Boris method for accelerator setups
//
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#ifndef F01FieldMessenger_h
#define F01FieldMessenger_h 1

#include "G4UImessenger.hh"

class F01FieldSetup;
class G4UIdirectory;
class G4UIcmdWithAnInteger;
class G4UIcmdWithADouble;
class G4UIcmdWithADoubleAndUnit;
class G4UIcmdWith3VectorAndUnit;
class G4UIcmdWithoutParameter;

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class F01FieldMessenger: public G4UImessenger
{
  public:
    F01FieldMessenger(F01FieldSetup* );
    virtual ~F01FieldMessenger();

    virtual void SetNewValue(G4UIcommand*, G4String);

  private:

    F01FieldSetup*             fEMfieldSetup;

    G4UIdirectory*             fFieldDir;

    G4UIcmdWithAnInteger*      fStepperCmd;
    G4UIcmdWithADoubleAndUnit* fMagFieldZCmd;
    G4UIcmdWith3VectorAndUnit* fMagFieldCmd;
    G4UIcmdWithADoubleAndUnit* fMinStepCmd;
    G4UIcmdWithADoubleAndUnit* fDeltaOneStepCmd;
    G4UIcmdWithADouble*        fEpsMinCmd;
    G4UIcmdWithADouble*        fEpsMaxCmd;   
    G4UIcmdWithoutParameter*   fUpdateCmd;
};

#endif