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//
// $Id$
//
// Jane Tinslay, John Allison, Joseph Perl October 2005
//
// Class Description:
// Abstract base class for trajectory drawing models. Trajectory drawing
// models are responsible for drawing individual trajectories according 
// to a particular style.
// Class Description - End:

#ifndef G4VTRAJECTORYMODEL_HH
#define G4VTRAJECTORYMODEL_HH

#include "G4String.hh"
#include "G4VTrajectory.hh"

class G4VisTrajContext;

class G4VTrajectoryModel {

public:

  // Construct with context object
  G4VTrajectoryModel(const G4String& name, G4VisTrajContext* fpContext=0);

  // Destructor
  virtual ~G4VTrajectoryModel();
  
  // Draw method
  virtual void Draw(const G4VTrajectory& trajectory, const G4int& i_mode = 0,
		    const G4bool& visible = true) const = 0;
  virtual void Draw(const G4VTrajectory& trajectory, 
		    const G4bool& visible = true) const = 0;
  
  // Print configuration
  virtual void Print(std::ostream& ostr) const = 0;
  
  // Accessors
  G4String Name() const ;
  const G4VisTrajContext& GetContext() const;
  
  // Set verbosity
  void SetVerbose(const G4bool&);
  G4bool GetVerbose() const;

private:

  // Private copy constructor and assigment operator - copying and
  // assignment not allowed.  Keeps Coverity happy.
  G4VTrajectoryModel (const G4VTrajectoryModel&);
  G4VTrajectoryModel& operator = (const G4VTrajectoryModel&);

  G4String fName;
  G4bool fVerbose;
  G4VisTrajContext* fpContext;
  
};

#endif