OCCT/src/SelectMgr/SelectMgr_SelectableObject.cxx

// Created on: 1995-02-20
// Created by: Mister rmi
// Copyright (c) 1995-1999 Matra Datavision
// 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 <Standard_NotImplemented.hxx>

#include <SelectMgr_SelectableObject.ixx>
#include <Standard_NoSuchObject.hxx>
#include <SelectMgr_Selection.hxx>
#include <Select3D_SensitiveEntity.hxx>
#include <SelectBasics_EntityOwner.hxx>
#include <SelectMgr_EntityOwner.hxx>
#include <PrsMgr_PresentationManager3d.hxx>

#include <TopLoc_Location.hxx>
#include <gp_Pnt.hxx>

static Standard_Integer Search (const SelectMgr_SequenceOfSelection& seq,
                                const Handle (SelectMgr_Selection)& theSel)
{
  Standard_Integer ifound=0;
  for (Standard_Integer i=1;i<=seq.Length()&& ifound==0;i++)
    {if(theSel == seq.Value(i)) ifound=i;}
  return ifound;
} 



//==================================================
// Function: 
// Purpose :
//==================================================

SelectMgr_SelectableObject::SelectMgr_SelectableObject( const PrsMgr_TypeOfPresentation3d aTypeOfPresentation3d):PrsMgr_PresentableObject(aTypeOfPresentation3d)
{
  myAutoHilight = Standard_True;
}


//==================================================
// Function: 
// Purpose :
//==================================================

Standard_Boolean SelectMgr_SelectableObject
::HasSelection(const Standard_Integer aMode) const
{
  Standard_Boolean Found=Standard_False;
  for (Standard_Integer I=1;I<= myselections.Length() && !Found;I++)
    { if(((myselections.Value(I))->Mode())==aMode) 
        return Standard_True;
    }
  return Standard_False;
}

//==================================================
// Function: UpdateSelection
// Purpose :
//==================================================
void SelectMgr_SelectableObject::UpdateSelection()
{
  for (Standard_Integer I=1;I<=myselections.Length();I++)
    {
      UpdateSelection(myselections.ChangeValue(I)->Mode());
    }
}

Standard_Integer  SelectMgr_SelectableObject::NbPossibleSelection() const
{return 0;}

//==================================================
// Function: UpdateSelection
// Purpose :
//==================================================
void SelectMgr_SelectableObject::UpdateSelection(const Standard_Integer aMode)
{
  for (Standard_Integer i =1; i<= myselections.Length(); i++ ) {
    if (myselections.Value(i)->Mode() == aMode) {
      myselections(i)->Clear();
      ComputeSelection(myselections(i),aMode);
      myselections(i)->UpdateStatus(SelectMgr_TOU_Partial);
      return;
    }
  }
  Handle(SelectMgr_Selection) S = new SelectMgr_Selection(aMode);
  ComputeSelection(S,aMode);
  S->UpdateStatus(SelectMgr_TOU_Partial);
  
  myselections.Append(S);
  
}

//==================================================
// Function: ClearSelections
// Purpose :
//==================================================
void SelectMgr_SelectableObject::ClearSelections(const Standard_Boolean update)
{
  for (Standard_Integer i =1; i<= myselections.Length(); i++ ) {
    myselections.Value(i)->Clear();
    if(update)
      myselections.Value(i)->UpdateStatus(SelectMgr_TOU_Full);
  }
}


//==================================================
// Function: Selection
// Purpose :
//==================================================

const Handle(SelectMgr_Selection)& SelectMgr_SelectableObject
::Selection(const Standard_Integer aMode) const
{
  static Handle(SelectMgr_Selection) bidsel;
  Standard_Boolean Found = Standard_False;
  Standard_Integer Rank=0;
  for (Standard_Integer i=1;i<=myselections.Length() && !Found;i++)
    {
      if((myselections.Value(i))->Mode()==aMode){ Found = Standard_True;
                                                  Rank=i;}}
  return myselections.Value(Rank);
}


//==================================================
// Function: AddSelection
// Purpose :
//==================================================

void SelectMgr_SelectableObject
::AddSelection(const Handle(SelectMgr_Selection)& aSel,
               const Standard_Integer aMode)
{
  if(aSel->IsEmpty()){
    ComputeSelection(aSel,aMode);
    aSel->UpdateStatus(SelectMgr_TOU_Partial);
  }
  if(HasSelection(aMode))
    {
      const Handle(SelectMgr_Selection)& temp= Selection(aMode);
      Standard_Integer I = Search(myselections,temp);
      if(I!=0) myselections.Remove(I);
    }
  myselections.Append(aSel);
  
}



//=======================================================================
//function : ReSetTransformation
//purpose  : 
//=======================================================================
void SelectMgr_SelectableObject::ResetTransformation() 
{
  TopLoc_Location aLoc;

  TopLoc_Location aSelfLocation (Transformation());

  // les selections
  Handle(Select3D_SensitiveEntity) SE;
  for(Init();More();Next()){
    const Handle(SelectMgr_Selection) & Sel =  CurrentSelection();
    for(Sel->Init();Sel->More();Sel->Next()){
      SE =  *((Handle(Select3D_SensitiveEntity)*) &(Sel->Sensitive()));
      if(!SE.IsNull()){
        if(SE->HasLocation()) {
          if( SE->Location()==aSelfLocation){
            SE->ResetLocation();
            const Handle(SelectBasics_EntityOwner)& EO = SE->OwnerId();
            (*((Handle(SelectMgr_EntityOwner)*)&EO))->ResetLocation();}
          else{
            const TopLoc_Location& iniloc =SE->Location();
            SE->SetLocation(iniloc*aSelfLocation.Inverted());
            const Handle(SelectBasics_EntityOwner)& EO = SE->OwnerId();
            (*((Handle(SelectMgr_EntityOwner)*)&EO))->SetLocation(SE->Location());}
        }
      }
    }
    Sel->UpdateStatus(SelectMgr_TOU_None);
  }

  PrsMgr_PresentableObject::ResetTransformation();
}


//=======================================================================
//function : UpdateTransformation
//purpose  : 
//=======================================================================
void SelectMgr_SelectableObject::UpdateTransformation() 
{
  
  Handle(Select3D_SensitiveEntity) SE;
  for(Init();More();Next()){
    const Handle(SelectMgr_Selection) & Sel =  CurrentSelection();
    Sel->UpdateStatus(SelectMgr_TOU_Partial);
  }
  PrsMgr_PresentableObject::UpdateTransformation();

}


//=======================================================================
//function : UpdateTransformation
//purpose  : 
//=======================================================================
void SelectMgr_SelectableObject::UpdateTransformations(const Handle(SelectMgr_Selection)& Sel)
{
  TopLoc_Location aSelfLocation (Transformation());
  Handle(Select3D_SensitiveEntity) SE;
  if(aSelfLocation.IsIdentity()) return;
  for(Sel->Init();Sel->More();Sel->Next()){
    SE =  Handle(Select3D_SensitiveEntity)::DownCast(Sel->Sensitive());
    if(!SE.IsNull()){
      SE->UpdateLocation(aSelfLocation);
      const Handle(SelectBasics_EntityOwner)& aEOwner = SE->OwnerId();
      Handle(SelectMgr_EntityOwner) aMgrEO =
                              Handle(SelectMgr_EntityOwner)::DownCast (aEOwner);
      if (!aMgrEO.IsNull())
        aMgrEO->SetLocation (aSelfLocation);
    }
  }
}

//=======================================================================
//function : HilightSelected
//purpose  : 
//=======================================================================
void SelectMgr_SelectableObject::HilightSelected 
  ( const Handle(PrsMgr_PresentationManager3d)&,
    const SelectMgr_SequenceOfOwner&)
{
  Standard_NotImplemented::Raise ("SelectMgr_SelectableObject::HilightSelected");
}

//=======================================================================
//function : ClearSelected
//purpose  : 
//=======================================================================
void SelectMgr_SelectableObject::ClearSelected ()
{
  if( !mySelectionPrs.IsNull() )
    mySelectionPrs->Clear();
}

//=======================================================================
//function : HilightOwnerWithColor
//purpose  : 
//=======================================================================
void SelectMgr_SelectableObject::HilightOwnerWithColor 
  ( const Handle(PrsMgr_PresentationManager3d)&,
    const Quantity_NameOfColor,
    const Handle(SelectMgr_EntityOwner)&)
{
  Standard_NotImplemented::Raise ("SelectMgr_SelectableObject::HilightOwnerWithColor");
}

//=======================================================================
//function : MaxFaceNodes
//purpose  : 
//=======================================================================
Standard_Boolean SelectMgr_SelectableObject::IsAutoHilight () const
{
  return myAutoHilight;
}

//=======================================================================
//function : MaxFaceNodes
//purpose  : 
//=======================================================================
void SelectMgr_SelectableObject::SetAutoHilight ( const Standard_Boolean newAutoHilight )
{
  myAutoHilight = newAutoHilight;
}

//=======================================================================
//function : GetHilightPresentation
//purpose  : 
//=======================================================================
Handle(Prs3d_Presentation) SelectMgr_SelectableObject::GetHilightPresentation( const Handle(PrsMgr_PresentationManager3d)& TheMgr )
{
  if( myHilightPrs.IsNull() && !TheMgr.IsNull() )
    {
      myHilightPrs = new Prs3d_Presentation( TheMgr->StructureManager() );
      myHilightPrs->SetTransformPersistence( GetTransformPersistenceMode(), 
					 GetTransformPersistencePoint() );
    }

  return myHilightPrs;
}


//=======================================================================
//function : GetSelectPresentation
//purpose  : 
//=======================================================================
Handle(Prs3d_Presentation) SelectMgr_SelectableObject::GetSelectPresentation( const Handle(PrsMgr_PresentationManager3d)& TheMgr )
{
  if( mySelectionPrs.IsNull() && !TheMgr.IsNull() ) {
    mySelectionPrs = new Prs3d_Presentation( TheMgr->StructureManager() );
    mySelectionPrs->SetTransformPersistence( GetTransformPersistenceMode(), 
					     GetTransformPersistencePoint() );
  }
  return mySelectionPrs;
}

//=======================================================================
//function : SetZLayer
//purpose  :
//=======================================================================
void SelectMgr_SelectableObject::SetZLayer 
  (const Handle(PrsMgr_PresentationManager)& thePrsMgr,
   const Standard_Integer theLayerId)
{
  if (thePrsMgr.IsNull())
    return;

  // update own presentations
  PrsMgr_PresentableObject::SetZLayer (thePrsMgr, theLayerId);

  // update selection presentations
  if (!mySelectionPrs.IsNull())
    mySelectionPrs->SetZLayer (theLayerId);

  if (!myHilightPrs.IsNull())
    myHilightPrs->SetZLayer (theLayerId);

  // update all entity owner presentations
  for (Init (); More () ;Next ())
  {
    const Handle(SelectMgr_Selection)& aSel = CurrentSelection();
    for (aSel->Init (); aSel->More (); aSel->Next ())
    {
      Handle(Select3D_SensitiveEntity) aEntity = 
        Handle(Select3D_SensitiveEntity)::DownCast (aSel->Sensitive());
      if (!aEntity.IsNull())
      {
        Handle(SelectMgr_EntityOwner) aOwner = 
          Handle(SelectMgr_EntityOwner)::DownCast (aEntity->OwnerId());
        if (!aOwner.IsNull())
          aOwner->SetZLayer (thePrsMgr, theLayerId);
      }
    }
  }
}