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 #include <GeomDataAPI_Point2D.h>
  16
  17 SketchPlugin_ConstraintParallel::SketchPlugin_ConstraintParallel()
  18 {
  19 }
  20
  21 void SketchPlugin_ConstraintParallel::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_ConstraintParallel::execute()
  29 {
  30 }
  31
  32 const boost::shared_ptr<GeomAPI_Shape>&  SketchPlugin_ConstraintParallel::preview()
  33 {
  34   /// \todo Preview for parallel constraint
  35   return getPreview();
  36 }
  37
  38
  39 Handle_AIS_InteractiveObject SketchPlugin_ConstraintParallel::getAISShape(Handle_AIS_InteractiveObject thePrevious)
  40 {
  41   Handle(AIS_InteractiveObject) anAIS = thePrevious;
  42   if (!sketch())
  43     return anAIS;
  44
  45   boost::shared_ptr<ModelAPI_Data> aData = data();
  46   boost::shared_ptr<ModelAPI_AttributeRefAttr> anAttr1 =
  47     boost::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(aData->attribute(CONSTRAINT_ATTR_ENTITY_A));
  48   boost::shared_ptr<ModelAPI_AttributeRefAttr> anAttr2 =
  49     boost::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(aData->attribute(CONSTRAINT_ATTR_ENTITY_B));
  50   if (!anAttr1 || !anAttr1->isFeature() ||
  51       !anAttr2 || !anAttr2->isFeature())
  52     return anAIS;
  53   boost::shared_ptr<SketchPlugin_Line> aLine1Feature =
  54     boost::dynamic_pointer_cast<SketchPlugin_Line>(anAttr1->feature());
  55   boost::shared_ptr<SketchPlugin_Line> aLine2Feature =
  56     boost::dynamic_pointer_cast<SketchPlugin_Line>(anAttr2->feature());
  57   if (!aLine1Feature || !aLine2Feature)
  58     return anAIS;
  59
  60   boost::shared_ptr<GeomAPI_Shape> aLine1 = aLine1Feature->preview();
  61   boost::shared_ptr<GeomAPI_Shape> aLine2 = aLine2Feature->preview();
  62   Handle(Geom_Plane) aPlane = new Geom_Plane(sketch()->plane()->impl<gp_Pln>());
  63
  64   if (anAIS.IsNull())
  65   {
  66     Handle(AIS_ParallelRelation) aParallel =
  67       new AIS_ParallelRelation(aLine1->impl<TopoDS_Shape>(), aLine2->impl<TopoDS_Shape>(), aPlane);
  68
  69     anAIS = aParallel;
  70   }
  71   else
  72   {
  73     Handle(AIS_ParallelRelation) aParallel = Handle(AIS_ParallelRelation)::DownCast(anAIS);
  74     if (!aParallel.IsNull())
  75     {
  76       aParallel->SetFirstShape(aLine1->impl<TopoDS_Shape>());
  77       aParallel->SetSecondShape(aLine2->impl<TopoDS_Shape>());
  78       aParallel->SetPlane(aPlane);
  79       aParallel->Redisplay(Standard_True);
  80     }
  81   }
  82   return anAIS;
  83 }
  84