src/SketchPlugin/SketchPlugin_Circle.cpp

   1 // File:        SketchPlugin_Circle.cpp
   2 // Created:     26 May 2014
   3 // Author:      Artem ZHIDKOV
   4
   5 #include "SketchPlugin_Circle.h"
   6 #include "SketchPlugin_Sketch.h"
   7 #include <ModelAPI_Data.h>
   8 #include <ModelAPI_ResultConstruction.h>
   9 #include <ModelAPI_AttributeSelection.h>
  10 #include <ModelAPI_Validator.h>
  11 #include <ModelAPI_AttributeDouble.h>
  12 #include <ModelAPI_Session.h>
  13
  14 #include <GeomAPI_Pnt2d.h>
  15 #include <GeomAPI_Circ.h>
  16 #include <GeomDataAPI_Point2D.h>
  17 #include <GeomDataAPI_Dir.h>
  18 #include <GeomAlgoAPI_PointBuilder.h>
  19 #include <GeomAlgoAPI_EdgeBuilder.h>
  20 #include <GeomAlgoAPI_CompoundBuilder.h>
  21
  22 SketchPlugin_Circle::SketchPlugin_Circle()
  23     : SketchPlugin_Feature()
  24 {
  25 }
  26
  27 void SketchPlugin_Circle::initAttributes()
  28 {
  29   data()->addAttribute(CENTER_ID(), GeomDataAPI_Point2D::type());
  30   data()->addAttribute(RADIUS_ID(), ModelAPI_AttributeDouble::type());
  31   data()->addAttribute(EXTERNAL_ID(), ModelAPI_AttributeSelection::type());
  32   ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), EXTERNAL_ID());
  33 }
  34
  35 void SketchPlugin_Circle::execute()
  36 {
  37   SketchPlugin_Sketch* aSketch = sketch();
  38   if (aSketch) {
  39     std::list<boost::shared_ptr<GeomAPI_Shape> > aShapes;
  40
  41     // compute a circle point in 3D view
  42     boost::shared_ptr<GeomDataAPI_Point2D> aCenterAttr = boost::dynamic_pointer_cast<
  43         GeomDataAPI_Point2D>(data()->attribute(CENTER_ID()));
  44     AttributeDoublePtr aRadiusAttr =
  45       boost::dynamic_pointer_cast<ModelAPI_AttributeDouble>(data()->attribute(RADIUS_ID()));
  46     if (aCenterAttr->isInitialized() && aRadiusAttr->isInitialized()) {
  47       boost::shared_ptr<GeomAPI_Pnt> aCenter(aSketch->to3D(aCenterAttr->x(), aCenterAttr->y()));
  48       //std::cout<<"Execute circle "<<aCenter->x()<<" "<<aCenter->y()<<" "<<aCenter->z()<<std::endl;
  49       // make a visible point
  50       boost::shared_ptr<GeomAPI_Shape> aCenterPointShape = GeomAlgoAPI_PointBuilder::point(aCenter);
  51       boost::shared_ptr<ModelAPI_ResultConstruction> aConstr1 = document()->createConstruction(
  52           data(), 0);
  53       aConstr1->setShape(aCenterPointShape);
  54       aConstr1->setIsInHistory(false);
  55       setResult(aConstr1, 0);
  56
  57       // make a visible circle
  58       boost::shared_ptr<GeomDataAPI_Dir> aNDir = boost::dynamic_pointer_cast<GeomDataAPI_Dir>(
  59           aSketch->data()->attribute(SketchPlugin_Sketch::NORM_ID()));
  60       bool aHasPlane = aNDir && !(aNDir->x() == 0 && aNDir->y() == 0 && aNDir->z() == 0);
  61       if (aHasPlane) {
  62         boost::shared_ptr<GeomAPI_Dir> aNormal(new GeomAPI_Dir(aNDir->x(), aNDir->y(), aNDir->z()));
  63         // compute the circle radius
  64         double aRadius = aRadiusAttr->value();
  65
  66         boost::shared_ptr<GeomAPI_Shape> aCircleShape = GeomAlgoAPI_EdgeBuilder::lineCircle(
  67             aCenter, aNormal, aRadius);
  68         aShapes.push_back(aCircleShape);
  69         boost::shared_ptr<ModelAPI_ResultConstruction> aConstr2 = document()->createConstruction(
  70             data(), 1);
  71         aConstr2->setShape(aCircleShape);
  72         aConstr2->setIsInHistory(false);
  73         setResult(aConstr2, 1);
  74       }
  75     }
  76   }
  77 }
  78
  79 void SketchPlugin_Circle::move(double theDeltaX, double theDeltaY)
  80 {
  81   boost::shared_ptr<ModelAPI_Data> aData = data();
  82   if (!aData->isValid())
  83     return;
  84
  85   boost::shared_ptr<GeomDataAPI_Point2D> aPoint1 = boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(
  86       aData->attribute(CENTER_ID()));
  87   aPoint1->move(theDeltaX, theDeltaY);
  88 }
  89
  90 double SketchPlugin_Circle::distanceToPoint(const boost::shared_ptr<GeomAPI_Pnt2d>& thePoint)
  91 {
  92   boost::shared_ptr<ModelAPI_Data> aData = data();
  93   boost::shared_ptr<GeomDataAPI_Point2D> aPoint =
  94     boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(CENTER_ID()));
  95
  96   return aPoint->pnt()->distance(thePoint);
  97 }
  98
  99 bool SketchPlugin_Circle::isFixed() {
 100   return data()->selection(EXTERNAL_ID())->context();
 101 }
 102
 103 void SketchPlugin_Circle::attributeChanged() {
 104   static bool myIsUpdated = false; // to avoid infinitive cycle on attrubtes change
 105   boost::shared_ptr<GeomAPI_Shape> aSelection = data()->selection(EXTERNAL_ID())->value();
 106   // update arguments due to the selection value
 107   if (aSelection && !aSelection->isNull() && aSelection->isEdge() && !myIsUpdated) {
 108     myIsUpdated = true;
 109     boost::shared_ptr<GeomAPI_Edge> anEdge( new GeomAPI_Edge(aSelection));
 110     boost::shared_ptr<GeomAPI_Circ> aCirc = anEdge->circle();
 111     boost::shared_ptr<GeomDataAPI_Point2D> aCenterAttr =
 112       boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(attribute(CENTER_ID()));
 113     aCenterAttr->setValue(sketch()->to2D(aCirc->center()));
 114     real(RADIUS_ID())->setValue(aCirc->radius());
 115     myIsUpdated = false;
 116   }
 117 }