0030675: Visualization - remove redundant proxy classes in hierarchy of PrsMgr_Presen...

[occt.git] / src / IFGraph / IFGraph_ConnectedComponants.cxx

// Copyright (c) 1999-2014 OPEN CASCADE SAS
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.


#include <IFGraph_AllConnected.hxx>
#include <IFGraph_ConnectedComponants.hxx>
#include <Interface_Graph.hxx>
#include <Standard_Transient.hxx>

// Pour travailler, ConnectedComponants exploite AllConnected :
// On prend un 1er Vertex, on determine ses AllConnected -> voila un 1er
//  Connected Componant
// On recommence jusqu'a ce qu'il n'y ait plus de Vertex libre
//  Honnetement, si ca ne marche pas, cf classe ConnectedVerticesIterator
//  de GraphTools  qui fait en principe la meme chose
IFGraph_ConnectedComponants::IFGraph_ConnectedComponants
  (const Interface_Graph& agraph, const Standard_Boolean whole)
      :  IFGraph_SubPartsIterator (agraph, whole)    {  }

    void  IFGraph_ConnectedComponants::Evaluate()
{
//  On part des "loaded"
//  Pour chacun : s il est note dans le graphe, on passe
//  Sinon, on ajoute les AllConnected en tant que sub-part
  Interface_EntityIterator loaded = Loaded();
  Reset();
  for (loaded.Start(); loaded.More(); loaded.Next()) {
    Handle(Standard_Transient) ent = loaded.Value();
    if (IsInPart(ent)) continue;
    IFGraph_AllConnected connect(Model(),ent);
    AddPart();
    GetFromIter (connect);
  }
}