src/GEOMFiltersSelection/GEOM_EdgeFilter.cxx

   1 using namespace std;
   2 //  File      : GEOM_EdgeFilter.cxx
   3 //  Created   : Fri Dec 07 09:57:24 2001
   4 //  Author    : Nicolas REJNERI
   5 //  Project   : SALOME
   6 //  Module    : GEOM
   7 //  Copyright : Open CASCADE
   8 //  $Header$
   9
  10 #include "GEOM_EdgeFilter.ixx"
  11 #include "GEOM_Client.hxx"
  12
  13 #include "SALOME_InteractiveObject.hxx"
  14 #include "GEOM_InteractiveObject.hxx"
  15 #include "GEOM_ShapeTypeFilter.hxx"
  16 #include "SALOME_TypeFilter.hxx"
  17
  18 #include "utilities.h"
  19 #include "QAD_Application.h"
  20 #include "QAD_Desktop.h"
  21 #include "QAD_Study.h"
  22
  23 // Open CASCADE Includes
  24 #include <BRepAdaptor_Curve.hxx>
  25 #include <TopoDS_Edge.hxx>
  26 #include <TopoDS.hxx>
  27 #include <TopAbs.hxx>
  28
  29
  30 static GEOM_Client  ShapeReader;
  31
  32
  33 /*!
  34   enumeration TypeOfEdge is AnyEdge,Line,Circle;
  35 */
  36 GEOM_EdgeFilter::GEOM_EdgeFilter(const StdSelect_TypeOfEdge Edge,
  37                                  GEOM::GEOM_Gen_ptr geom)
  38 {
  39   myKind = Edge;
  40   myComponentGeom = GEOM::GEOM_Gen::_narrow(geom);
  41 }
  42
  43 Standard_Boolean GEOM_EdgeFilter::IsOk(const Handle(SALOME_InteractiveObject)& anObj) const
  44 {
  45   Handle(SALOME_TypeFilter) GeomFilter = new SALOME_TypeFilter( "GEOM" );
  46   if ( !GeomFilter->IsOk(anObj) )
  47     return false;
  48
  49   Handle(GEOM_ShapeTypeFilter) GeomShapeTypeFilter = new GEOM_ShapeTypeFilter( TopAbs_EDGE, myComponentGeom );
  50   if ( !GeomShapeTypeFilter->IsOk(anObj) )
  51     return false;
  52
  53   if ( anObj->hasEntry() ) {
  54     QAD_Study* ActiveStudy = QAD_Application::getDesktop()->getActiveStudy();
  55     SALOMEDS::Study_var aStudy = ActiveStudy->getStudyDocument();
  56     SALOMEDS::SObject_var obj = aStudy->FindObjectID( anObj->getEntry() );
  57     SALOMEDS::GenericAttribute_var anAttr;
  58     SALOMEDS::AttributeIOR_var     anIOR;
  59     if ( !obj->_is_nil() ) {
  60        if (obj->FindAttribute(anAttr, "AttributeIOR")) {
  61          anIOR = SALOMEDS::AttributeIOR::_narrow(anAttr);
  62          GEOM::GEOM_Shape_var aShape = myComponentGeom->GetIORFromString( anIOR->Value() );
  63          if ( aShape->_is_nil() )
  64            return false;
  65
  66          TopoDS_Shape    Shape = ShapeReader.GetShape( myComponentGeom, aShape );
  67          if ( Shape.IsNull() )
  68            return false;
  69
  70          switch (myKind) {
  71          case StdSelect_AnyEdge:
  72            return Standard_True;
  73          case StdSelect_Line:
  74            {
  75              BRepAdaptor_Curve curv(TopoDS::Edge(Shape));
  76              return (curv.GetType() == GeomAbs_Line);
  77            }
  78            break;
  79          case StdSelect_Circle:
  80            BRepAdaptor_Curve curv(TopoDS::Edge(Shape));
  81            return (curv.GetType() == GeomAbs_Circle);
  82          }
  83        }
  84     }
  85   }
  86
  87   if ( anObj->IsInstance(STANDARD_TYPE(GEOM_InteractiveObject)) ) {
  88     Handle(GEOM_InteractiveObject) GObject =
  89       Handle(GEOM_InteractiveObject)::DownCast(anObj);
  90
  91     GEOM::GEOM_Shape_var aShape = myComponentGeom->GetIORFromString( GObject->getIOR() );
  92     if ( aShape->_is_nil() )
  93       return false;
  94
  95     TopoDS_Shape    Shape = ShapeReader.GetShape( myComponentGeom, aShape );
  96     if ( Shape.IsNull() )
  97       return false;
  98
  99     switch (myKind) {
 100     case StdSelect_AnyEdge:
 101       return Standard_True;
 102     case StdSelect_Line:
 103       {
 104         BRepAdaptor_Curve curv(TopoDS::Edge(Shape));
 105         return (curv.GetType() == GeomAbs_Line);
 106       }
 107       break;
 108     case StdSelect_Circle:
 109       BRepAdaptor_Curve curv(TopoDS::Edge(Shape));
 110       return (curv.GetType() == GeomAbs_Circle);
 111     }
 112   }
 113   return false;
 114 }