//  GEOM GEOMGUI : GUI for Geometry component
//
//  Copyright (C) 2003  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
//  CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS 
// 
//  This library is free software; you can redistribute it and/or 
//  modify it under the terms of the GNU Lesser General Public 
//  License as published by the Free Software Foundation; either 
//  version 2.1 of the License. 
// 
//  This library is distributed in the hope that it will be useful, 
//  but WITHOUT ANY WARRANTY; without even the implied warranty of 
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU 
//  Lesser General Public License for more details. 
// 
//  You should have received a copy of the GNU Lesser General Public 
//  License along with this library; if not, write to the Free Software 
//  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA 
// 
//  See http://www.opencascade.org/SALOME/ or email : webmaster.salome@opencascade.org 
//
//
//
//  File   : EntityGUI.cxx
//  Author : Damien COQUERET
//  Module : GEOM
//  $Header$

#include "EntityGUI.h"
#include "GeometryGUI.h"
#include "GEOM_AssemblyBuilder.h"

#include "SUIT_Desktop.h"
#include "SUIT_Session.h"
#include "SUIT_ViewWindow.h"
#include "OCCViewer_ViewModel.h"
#include "OCCViewer_ViewManager.h"
#include "SalomeApp_Study.h"
#include "SalomeApp_Tools.h"

#include <TopoDS_Compound.hxx>
#include <BRep_Builder.hxx>
#include <TopExp_Explorer.hxx>

#include "EntityGUI_SketcherDlg.h" // Sketcher
#include "EntityGUI_SubShapeDlg.h" // Method SUBSHAPE

#include "utilities.h"

using namespace boost;
using namespace std;

//=======================================================================
// function : GetEntityGUI()
// purpose  : Get the only EntityGUI object [ static ]
//=======================================================================
EntityGUI* EntityGUI::GetEntityGUI( GeometryGUI* parent )
{
  return new EntityGUI( parent );
}

//=======================================================================
// function : EntityGUI()
// purpose  : Constructor
//=======================================================================
EntityGUI::EntityGUI( GeometryGUI* parent ) :  GEOMGUI( parent )
{
  mySimulationShape1 = new AIS_Shape(TopoDS_Shape());
  mySimulationShape2 = new AIS_Shape(TopoDS_Shape());
}

//=======================================================================
// function : ~EntityGUI()
// purpose  : Destructor
//=======================================================================
EntityGUI::~EntityGUI()
{
}


//=======================================================================
// function : OnGUIEvent()
// purpose  : 
//=======================================================================
bool EntityGUI::OnGUIEvent(int theCommandID, SUIT_Desktop* parent)
{
  getGeometryGUI()->EmitSignalDeactivateDialog();
  QDialog* aDlg = NULL;

  switch (theCommandID)
  {
    case 404: // SKETCHER
      getGeometryGUI()->ActiveWorkingPlane();
      aDlg = new EntityGUI_SketcherDlg(getGeometryGUI(), parent, "");
      break;
    case 407: // EXPLODE : use ic
      aDlg = new EntityGUI_SubShapeDlg(getGeometryGUI(), parent, "");
      break;
    default:
      SUIT_Session::session()->activeApplication()->putInfo(tr("GEOM_PRP_COMMAND").arg(theCommandID));
      break;
  }
  if ( aDlg )
    aDlg->show();

  return true;
}


//=====================================================================================
// function : DisplaySimulationShape() 
// purpose  : Displays 'this->mySimulationShape' a pure graphical shape from a TopoDS_Shape
//=====================================================================================
void EntityGUI::DisplaySimulationShape(const TopoDS_Shape& S1, const TopoDS_Shape& S2) 
{
  SUIT_ViewManager* aVM =
    SUIT_Session::session()->activeApplication()->desktop()->activeWindow()->getViewManager();
  if (aVM->getType() != OCCViewer_Viewer::Type())
    return;

  OCCViewer_Viewer* v3d = ((OCCViewer_ViewManager*)aVM)->getOCCViewer();
  Handle(AIS_InteractiveContext) ic = v3d->getAISContext();
  try {
    if (!S1.IsNull()) {
      /* erase any previous */
      ic->Erase(mySimulationShape1, Standard_True, Standard_False);
      ic->ClearPrs(mySimulationShape1);

      mySimulationShape1 = new AIS_Shape(TopoDS_Shape());
      mySimulationShape1->Set(S1);
      mySimulationShape1->SetColor(Quantity_NOC_RED);
    
      ic->Deactivate(mySimulationShape1);
      ic->Display(mySimulationShape1, Standard_False);
      mySimulationShape1->UnsetColor();
    }
    if (!S2.IsNull()) {
      ic->Erase(mySimulationShape2, Standard_True, Standard_False);
      ic->ClearPrs(mySimulationShape2);

      mySimulationShape2 = new AIS_Shape(TopoDS_Shape());
      mySimulationShape2->Set(S2);
      mySimulationShape2->SetColor(Quantity_NOC_VIOLET);

      ic->Deactivate(mySimulationShape2);
      ic->Display(mySimulationShape2, Standard_False);
      mySimulationShape2->UnsetColor();
    }
    ic->UpdateCurrentViewer();
  }
  catch(Standard_Failure) {
    MESSAGE("Exception catched in EntityGUI::DisplaySimulationShape ");
  } 
  return;
}

//==================================================================================
// function : EraseSimulationShape()
// purpose  : Clears the display of 'mySimulationShape' a pure graphical shape
//==================================================================================
void EntityGUI::EraseSimulationShape()
{
  // get all view windows at the desktop
  QPtrList<SUIT_ViewWindow> aWndLst = SUIT_Session::session()->activeApplication()->desktop()->windows();
  //get all view windows, which belong to the active study
  QPtrList<SUIT_ViewWindow> aWndLstAS;
  SUIT_ViewWindow* vw;
  for ( vw = aWndLst.first(); vw; vw = aWndLst.next() )
    if ( vw->getViewManager()->study() == SUIT_Session::session()->activeApplication()->activeStudy() )
      aWndLstAS.append( vw );
  
  for ( vw = aWndLstAS.first(); vw; vw = aWndLstAS.next() ) {
    if ( vw->getViewManager()->getType() == OCCViewer_Viewer::Type() ) {
      OCCViewer_Viewer* v3d = ((OCCViewer_ViewManager*)(vw->getViewManager()))->getOCCViewer();
      Handle(AIS_InteractiveContext) ic = v3d->getAISContext();
      ic->Erase(mySimulationShape1, Standard_True, Standard_False);
      ic->ClearPrs(mySimulationShape1);
      ic->Erase(mySimulationShape2, Standard_True, Standard_False);
      ic->ClearPrs(mySimulationShape2);
      ic->UpdateCurrentViewer();
    } 
  }
}

//=====================================================================================
// function : SObjectExist()
// purpose  :
//=====================================================================================
bool EntityGUI::SObjectExist(const _PTR(SObject)& theFatherObject, const char* IOR)
{
  SalomeApp_Study* appStudy = dynamic_cast<SalomeApp_Study*>
    ( SUIT_Session::session()->activeApplication()->activeStudy() );
  if ( !appStudy ) return false;
  _PTR(Study) aStudy = appStudy->studyDS();
  _PTR(ChildIterator) it ( aStudy->NewChildIterator(theFatherObject) );
  _PTR(SObject) RefSO;
  _PTR(GenericAttribute) anAttr;
  for(; it->More();it->Next()) {
    _PTR(SObject) SO ( it->Value() );
    if(SO->FindAttribute(anAttr, "AttributeIOR")) {
      _PTR(AttributeIOR) anIOR ( anAttr  );
      if(strcmp( anIOR->Value().c_str(), IOR ) == 0)
	return true;
    }
    if(SO->ReferencedObject(RefSO)) {
      if(RefSO->FindAttribute(anAttr, "AttributeIOR")) {
        _PTR(AttributeIOR) anIOR ( anAttr );
	if(strcmp(anIOR->Value().c_str(), IOR) == 0)
	  return true;
      }
    }
  }
  return false;
}


//=====================================================================================
// EXPORTED METHODS
//=====================================================================================
extern "C"
{
#ifdef WNT
	__declspec( dllexport )
#endif
  GEOMGUI* GetLibGUI( GeometryGUI* parent )
  {
    return EntityGUI::GetEntityGUI( parent );
  }
}