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 <ModelAPI_AttributeDouble.h>
   8 #include <ModelAPI_Data.h>
   9
  10 #include <SketchPlugin_Line.h>
  11 #include <SketchPlugin_Sketch.h>
  12
  13 #include <AIS_InteractiveObject.hxx>
  14 #include <AIS_PerpendicularRelation.hxx>
  15 #include <Geom_Plane.hxx>
  16
  17 #include <GeomDataAPI_Point2D.h>
  18 #include <GeomAPI_Pnt2d.h>
  19 #include <GeomAPI_Pnt.h>
  20
  21 SketchPlugin_ConstraintPerpendicular::SketchPlugin_ConstraintPerpendicular()
  22 {
  23 }
  24
  25 void SketchPlugin_ConstraintPerpendicular::initAttributes()
  26 {
  27   data()->addAttribute(CONSTRAINT_ATTR_ENTITY_A, ModelAPI_AttributeRefAttr::type());
  28   data()->addAttribute(CONSTRAINT_ATTR_ENTITY_B, ModelAPI_AttributeRefAttr::type());
  29   data()->addAttribute(CONSTRAINT_ATTR_FLYOUT_VALUE_PNT, GeomDataAPI_Point2D::type());
  30 }
  31
  32 void SketchPlugin_ConstraintPerpendicular::execute()
  33 {
  34 }
  35
  36 const boost::shared_ptr<GeomAPI_Shape>&  SketchPlugin_ConstraintPerpendicular::preview()
  37 {
  38   /// \todo Preview for perpendicular constraint
  39   return getPreview();
  40 }
  41
  42 Handle_AIS_InteractiveObject SketchPlugin_ConstraintPerpendicular::getAISShape(Handle_AIS_InteractiveObject thePrevious)
  43 {
  44   Handle(AIS_InteractiveObject) anAIS = thePrevious;
  45   if (!sketch())
  46     return anAIS;
  47
  48   boost::shared_ptr<ModelAPI_Data> aData = data();
  49   boost::shared_ptr<ModelAPI_AttributeRefAttr> anAttr1 =
  50     boost::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(aData->attribute(CONSTRAINT_ATTR_ENTITY_A));
  51   boost::shared_ptr<ModelAPI_AttributeRefAttr> anAttr2 =
  52     boost::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(aData->attribute(CONSTRAINT_ATTR_ENTITY_B));
  53   if (!anAttr1 || !anAttr1->isFeature() ||
  54       !anAttr2 || !anAttr2->isFeature())
  55     return anAIS;
  56   boost::shared_ptr<SketchPlugin_Line> aLine1Feature =
  57     boost::dynamic_pointer_cast<SketchPlugin_Line>(anAttr1->feature());
  58   boost::shared_ptr<SketchPlugin_Line> aLine2Feature =
  59     boost::dynamic_pointer_cast<SketchPlugin_Line>(anAttr2->feature());
  60   if (!aLine1Feature || !aLine2Feature)
  61     return anAIS;
  62
  63   boost::shared_ptr<GeomAPI_Shape> aLine1 = aLine1Feature->preview();
  64   boost::shared_ptr<GeomAPI_Shape> aLine2 = aLine2Feature->preview();
  65   Handle(Geom_Plane) aPlane = new Geom_Plane(sketch()->plane()->impl<gp_Pln>());
  66
  67   boost::shared_ptr<GeomDataAPI_Point2D> aFlyoutAttr =
  68     boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(CONSTRAINT_ATTR_FLYOUT_VALUE_PNT));
  69   boost::shared_ptr<GeomAPI_Pnt2d> aFOPnt2d = aFlyoutAttr->pnt();
  70   boost::shared_ptr<GeomAPI_Pnt> aFlyoutPnt = sketch()->to3D(aFOPnt2d->x(), aFOPnt2d->y());
  71
  72   if (anAIS.IsNull())
  73   {
  74     Handle(AIS_PerpendicularRelation) aPerpendicular =
  75       new AIS_PerpendicularRelation(aLine1->impl<TopoDS_Shape>(), aLine2->impl<TopoDS_Shape>(), aPlane);
  76     aPerpendicular->SetPosition(aFlyoutPnt->impl<gp_Pnt>());
  77     anAIS = aPerpendicular;
  78   }
  79   else
  80   {
  81     Handle(AIS_PerpendicularRelation) aPerpendicular = Handle(AIS_PerpendicularRelation)::DownCast(anAIS);
  82     if (!aPerpendicular.IsNull())
  83     {
  84       aPerpendicular->SetFirstShape(aLine1->impl<TopoDS_Shape>());
  85       aPerpendicular->SetSecondShape(aLine2->impl<TopoDS_Shape>());
  86       aPerpendicular->SetPlane(aPlane);
  87       aPerpendicular->SetPosition(aFlyoutPnt->impl<gp_Pnt>());
  88       aPerpendicular->Redisplay(Standard_True);
  89     }
  90   }
  91   return anAIS;
  92 }
  93
  94 void SketchPlugin_ConstraintPerpendicular::move(double theDeltaX, double theDeltaY)
  95 {
  96   boost::shared_ptr<ModelAPI_Data> aData = data();
  97   if (!aData->isValid())
  98     return;
  99
 100   boost::shared_ptr<GeomDataAPI_Point2D> aPoint =
 101         boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(CONSTRAINT_ATTR_FLYOUT_VALUE_PNT));
 102   aPoint->setValue(aPoint->x() + theDeltaX, aPoint->y() + theDeltaY);
 103 }
 104