// $Header: /cvs/gled-1.2/GledCore/Glasses/Operator.cxx,v 1.4 2005/03/11 17:50:15 matevz Exp $

// Copyright (C) 1999-2005, Matevz Tadel. All rights reserved.
// This file is part of GLED, released under GNU General Public License version 2.
// For the licensing terms see $GLEDSYS/LICENSE or http://www.gnu.org/.

//________________________________________________________________________
// Operator
//
// Base class for glasses that wish to participate in basic thread traversals.
// For now the implementation is simplified.
//
// In principle would have to be an `external' base (non-glass interface).
// Will be reimplemented in this spirit with the new reincarnation of p7.
//________________________________________________________________________

#include "Operator.h"
#include <Ephra/Mountain.h>
#include <Glasses/Eventor.h>
#include <Ephra/Saturn.h>

ClassImp(Operator)

 void Operator::_init()
{
  bOpActive = bOpRecurse = true;
}

/**************************************************************************/

 void Operator::PreOperate(Operator::Arg* op_arg) throw(Exception)
{
}

 void Operator::Operate(Operator::Arg* op_arg) throw(Exception)
{
  PreOperate(op_arg);
  // { ... do your stuff ... }
  PostOperate(op_arg);
}

 void Operator::PostOperate(Operator::Arg* op_arg) throw(Exception)
{
  if(bOpRecurse) {
    lpZGlass_t l; Copy(l);
    if(op_arg->fUseDynCast) {
      for(lpZGlass_i i=l.begin(); i!=l.end(); ++i) {
	if(Operator* o = dynamic_cast<Operator*>(*i)) {
	  if(o->bOpActive) o->Operate(op_arg);
	}
      }
    } else {
      for(lpZGlass_i i=l.begin(); i!=l.end(); ++i) {
	Operator* o = (Operator*)(*i);
	if(o->bOpActive) o->Operate(op_arg);
      }
    }
  }
}

#include "Operator.c7"