src/SketchPlugin/SketchPlugin_ConstraintParallel.cpp

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