src/SketchPlugin/SketchPlugin_ConstraintPerpendicular.cpp

   1 // File:    SketchPlugin_ConstraintPerpendicular.cpp
   2 // Created: 26 May 2014
   3 // Author:  Artem ZHIDKOV
   4
   5 #include "SketchPlugin_ConstraintPerpendicular.h"
   6
   7 #include <GeomDataAPI_Point2D.h>
   8
   9 #include <ModelAPI_AttributeDouble.h>
  10 #include <ModelAPI_Data.h>
  11 #include <SketchPlugin_Line.h>
  12
  13 #include <AIS_InteractiveObject.hxx>
  14 #include <AIS_PerpendicularRelation.hxx>
  15 #include <Geom_Plane.hxx>
  16
  17 SketchPlugin_ConstraintPerpendicular::SketchPlugin_ConstraintPerpendicular()
  18 {
  19 }
  20
  21 void SketchPlugin_ConstraintPerpendicular::initAttributes()
  22 {
  23   data()->addAttribute(CONSTRAINT_ATTR_ENTITY_A, ModelAPI_AttributeRefAttr::type());
  24   data()->addAttribute(CONSTRAINT_ATTR_ENTITY_B, ModelAPI_AttributeRefAttr::type());
  25   data()->addAttribute(CONSTRAINT_ATTR_FLYOUT_VALUE_PNT, GeomDataAPI_Point2D::type());
  26 }
  27
  28 void SketchPlugin_ConstraintPerpendicular::execute()
  29 {
  30 }
  31
  32 const boost::shared_ptr<GeomAPI_Shape>&  SketchPlugin_ConstraintPerpendicular::preview()
  33 {
  34   /// \todo Preview for perpendicular constraint
  35   return getPreview();
  36 }
  37
  38 Handle_AIS_InteractiveObject SketchPlugin_ConstraintPerpendicular::getAISShape(Handle_AIS_InteractiveObject thePrevious)
  39 {
  40   Handle(AIS_InteractiveObject) anAIS = thePrevious;
  41   if (!sketch())
  42     return anAIS;
  43
  44   boost::shared_ptr<ModelAPI_Data> aData = data();
  45   boost::shared_ptr<ModelAPI_AttributeRefAttr> anAttr1 =
  46     boost::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(aData->attribute(CONSTRAINT_ATTR_ENTITY_A));
  47   boost::shared_ptr<ModelAPI_AttributeRefAttr> anAttr2 =
  48     boost::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(aData->attribute(CONSTRAINT_ATTR_ENTITY_B));
  49   if (!anAttr1 || !anAttr1->isFeature() ||
  50       !anAttr2 || !anAttr2->isFeature())
  51     return anAIS;
  52   boost::shared_ptr<SketchPlugin_Line> aLine1Feature =
  53     boost::dynamic_pointer_cast<SketchPlugin_Line>(anAttr1->feature());
  54   boost::shared_ptr<SketchPlugin_Line> aLine2Feature =
  55     boost::dynamic_pointer_cast<SketchPlugin_Line>(anAttr2->feature());
  56   if (!aLine1Feature || !aLine2Feature)
  57     return anAIS;
  58
  59   boost::shared_ptr<GeomAPI_Shape> aLine1 = aLine1Feature->preview();
  60   boost::shared_ptr<GeomAPI_Shape> aLine2 = aLine2Feature->preview();
  61   Handle(Geom_Plane) aPlane = new Geom_Plane(sketch()->plane()->impl<gp_Pln>());
  62
  63   if (anAIS.IsNull())
  64   {
  65     Handle(AIS_PerpendicularRelation) aPerpendicular =
  66       new AIS_PerpendicularRelation(aLine1->impl<TopoDS_Shape>(), aLine2->impl<TopoDS_Shape>(), aPlane);
  67
  68     anAIS = aPerpendicular;
  69   }
  70   else
  71   {
  72     Handle(AIS_PerpendicularRelation) aPerpendicular = Handle(AIS_PerpendicularRelation)::DownCast(anAIS);
  73     if (!aPerpendicular.IsNull())
  74     {
  75       aPerpendicular->SetFirstShape(aLine1->impl<TopoDS_Shape>());
  76       aPerpendicular->SetSecondShape(aLine2->impl<TopoDS_Shape>());
  77       aPerpendicular->SetPlane(aPlane);
  78       aPerpendicular->Redisplay(Standard_True);
  79     }
  80   }
  81   return anAIS;
  82 }
  83