// Created on: 1997-04-22
// Created by: Guest Design
// Copyright (c) 1997-1999 Matra Datavision
// Copyright (c) 1999-2012 OPEN CASCADE SAS
//
// The content of this file is subject to the Open CASCADE Technology Public
// License Version 6.5 (the "License"). You may not use the content of this file
// except in compliance with the License. Please obtain a copy of the License
// at http://www.opencascade.org and read it completely before using this file.
//
// The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
// main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
//
// The Original Code and all software distributed under the License is
// distributed on an "AS IS" basis, without warranty of any kind, and the
// Initial Developer hereby disclaims all such warranties, including without
// limitation, any warranties of merchantability, fitness for a particular
// purpose or non-infringement. Please see the License for the specific terms
// and conditions governing the rights and limitations under the License.

//		<g_design>


#include <Standard_NotImplemented.hxx>

#include <AIS_MultipleConnectedInteractive.ixx>

#include <PrsMgr_ModedPresentation.hxx>
#include <PrsMgr_Presentation3d.hxx>

static Standard_Boolean IsInSeq (const AIS_SequenceOfInteractive&      theSeq,
				 const Handle(AIS_InteractiveObject)&  theItem) 
{
  Standard_Integer I = theSeq.Length();
  while ( I>0 && theSeq.Value(I) != theItem) {    
    I--;
  }
  return (I>0);
}

static Standard_Integer RangeInSeq (const AIS_SequenceOfInteractive& theSeq ,
				    const Handle(AIS_InteractiveObject)&     theItem) 
{
  Standard_Integer I = theSeq.Length();
  while ( I>0 && theSeq.Value(I) != theItem) {    
    I--;
  }
  return I;
}


//=======================================================================
//function : AIS_MultipleConnectedInteractive
//purpose  : 
//=======================================================================

AIS_MultipleConnectedInteractive::AIS_MultipleConnectedInteractive
(const PrsMgr_TypeOfPresentation3d aTypeOfPresentation3d):
AIS_InteractiveObject(aTypeOfPresentation3d)
{    
  SetHilightMode(0);
}

//=======================================================================
//function : Type
//purpose  : 
//=======================================================================
AIS_KindOfInteractive AIS_MultipleConnectedInteractive::Type() const
{return AIS_KOI_Object;}

//=======================================================================
//function : Signature
//purpose  : 
//=======================================================================
Standard_Integer AIS_MultipleConnectedInteractive::Signature() const
{return 1;}

//=======================================================================
//function : Connect
//purpose  : 
//=======================================================================
void AIS_MultipleConnectedInteractive::Connect(const Handle(AIS_InteractiveObject)& anotherIObj)
{

  if (!IsInSeq (myReferences, anotherIObj)) {
    myReferences.Append(anotherIObj);
  }
}

//=======================================================================
//function : HasConnection
//purpose  : 
//=======================================================================
Standard_Boolean AIS_MultipleConnectedInteractive::HasConnection() const 
{
  return (!myReferences.Length()==0);
}

//=======================================================================
//function : Disconnect
//purpose  : 
//=======================================================================

void AIS_MultipleConnectedInteractive::Disconnect(const Handle(AIS_InteractiveObject)& anotherIObj)
{
  Standard_Integer I = RangeInSeq (myReferences, anotherIObj);
  if (I != 0) {
    myReferences.Remove(I);
    
  }
}

//=======================================================================
//function : DisconnectAll
//purpose  : 
//=======================================================================

void AIS_MultipleConnectedInteractive::DisconnectAll ()
{
/*  for(Standard_Integer i =1;i<=myPresentations.Length();i++)
    {
      Handle(PrsMgr_Presentation3d) P = Handle(PrsMgr_Presentation3d)::DownCast(myPresentations(i).Presentation());
      if(!P.IsNull()) {
	P->Presentation()->DisconnectAll(Graphic3d_TOC_DESCENDANT);
      }
    }*/
  myPreviousReferences = myReferences; // pour garder les poignees au chaud!!!!
  myReferences.Clear();
}

//=======================================================================
//function : Compute
//purpose  :
//=======================================================================
void AIS_MultipleConnectedInteractive::Compute (const Handle(PrsMgr_PresentationManager3d)& thePrsMgr,
                                                const Handle(Prs3d_Presentation)&           thePrs,
                                                const Standard_Integer                      theMode)
{
  thePrs->Clear (Standard_False);
  thePrs->RemoveAll();
  if (HasConnection())
  {
    for (Standard_Integer aRefIter = 1; aRefIter <= myReferences.Length(); ++aRefIter)
    {
      const Handle (AIS_InteractiveObject)& aRef = myReferences.Value (aRefIter);
      if (!aRef->HasInteractiveContext())
      {
        aRef->SetContext (GetContext());
      }

      thePrsMgr->Connect (this, aRef, theMode, theMode);
      if (thePrsMgr->Presentation (aRef, theMode)->MustBeUpdated())
      {
        thePrsMgr->Update (aRef, theMode);
      }
    }
  }

  thePrs->ReCompute();
}

//=======================================================================
//function : Compute
//purpose  : 
//=======================================================================

void AIS_MultipleConnectedInteractive::Compute(const Handle_Prs3d_Projector& aProjector,
                                               const Handle_Prs3d_Presentation& aPresentation)
{
// Standard_NotImplemented::Raise("AIS_MultipleConnectedInteractive::Compute(const Handle_Prs3d_Projector&, const Handle_Prs3d_Presentation&)");
 PrsMgr_PresentableObject::Compute( aProjector , aPresentation ) ;
}

//=======================================================================
//function : Compute
//purpose  : 
//=======================================================================

void AIS_MultipleConnectedInteractive::Compute(const Handle_Prs3d_Projector& aProjector,
                                               const Handle_Geom_Transformation& aTransformation,
                                               const Handle_Prs3d_Presentation& aPresentation)
{
// Standard_NotImplemented::Raise("AIS_MultipleConnectedInteractive::Compute(const Handle_Prs3d_Projector&, const Handle_Geom_Transformation&, const Handle_Prs3d_Presentation&)");
 PrsMgr_PresentableObject::Compute( aProjector , aTransformation , aPresentation ) ;
}

//=======================================================================
//function : ComputeSelection
//purpose  : 
//=======================================================================
void AIS_MultipleConnectedInteractive::ComputeSelection(const Handle(SelectMgr_Selection)& /*aSel*/,
                                                        const Standard_Integer /*aMode*/)
{
}