src/HYDROData/HYDROData_ShapesGroup.cxx

   1
   2 #include "HYDROData_ShapesGroup.h"
   3
   4 #include <TDF_ChildIDIterator.hxx>
   5
   6 #include <TopoDS.hxx>
   7 #include <TopoDS_Edge.hxx>
   8
   9 #include <TNaming_Builder.hxx>
  10 #include <TNaming_NamedShape.hxx>
  11
  12 IMPLEMENT_STANDARD_HANDLE(HYDROData_ShapesGroup,HYDROData_Entity)
  13 IMPLEMENT_STANDARD_RTTIEXT(HYDROData_ShapesGroup,HYDROData_Entity)
  14
  15 HYDROData_ShapesGroup::HYDROData_ShapesGroup()
  16 : HYDROData_Entity()
  17 {
  18 }
  19
  20 HYDROData_ShapesGroup::~HYDROData_ShapesGroup()
  21 {
  22 }
  23
  24 bool HYDROData_ShapesGroup::CanBeUpdated() const
  25 {
  26   return false;
  27 }
  28
  29 bool HYDROData_ShapesGroup::CanRemove()
  30 {
  31   return false;
  32 }
  33
  34 void HYDROData_ShapesGroup::AddShape( const TopoDS_Shape& theShape )
  35 {
  36   if ( theShape.IsNull() )
  37     return;
  38
  39   TDF_Label aNewLab = myLab.FindChild( DataTag_Shape ).NewChild();
  40
  41   TNaming_Builder aBuilder( aNewLab );
  42   aBuilder.Generated( theShape );
  43 }
  44
  45 void HYDROData_ShapesGroup::SetShapes( const TopTools_SequenceOfShape& theShapes )
  46 {
  47   RemoveShapes();
  48
  49   for ( int i = 1, n = theShapes.Length(); i <= n; ++i )
  50   {
  51     const TopoDS_Shape& aShape = theShapes.Value( i );
  52     AddShape( aShape );
  53   }
  54 }
  55
  56 void HYDROData_ShapesGroup::GetShapes( TopTools_SequenceOfShape& theShapes ) const
  57 {
  58   theShapes.Clear();
  59
  60   TDF_Label aLabel = myLab.FindChild( DataTag_Shape, false );
  61   if ( aLabel.IsNull() )
  62     return;
  63
  64   TDF_ChildIDIterator aChildIt( aLabel, TNaming_NamedShape::GetID() );
  65   for ( ; aChildIt.More(); aChildIt.Next() )
  66   {
  67     Handle(TNaming_NamedShape) aNamedShape =
  68       Handle(TNaming_NamedShape)::DownCast( aChildIt.Value() );
  69     if ( aNamedShape.IsNull() )
  70       continue;
  71
  72     TopoDS_Shape aStoredShape = aNamedShape->Get();
  73     if ( aStoredShape.IsNull() )
  74       continue;
  75
  76     theShapes.Append( aStoredShape );
  77   }
  78 }
  79
  80 void HYDROData_ShapesGroup::RemoveShapes()
  81 {
  82   TDF_Label aLabel = myLab.FindChild( DataTag_Shape, false );
  83   if ( !aLabel.IsNull() )
  84     aLabel.ForgetAllAttributes();
  85 }
  86