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       // make a visible point
  49       boost::shared_ptr<GeomAPI_Shape> aCenterPointShape = GeomAlgoAPI_PointBuilder::point(aCenter);
  50       boost::shared_ptr<ModelAPI_ResultConstruction> aConstr1 = document()->createConstruction(
  51           data(), 0);
  52       aConstr1->setShape(aCenterPointShape);
  53       aConstr1->setIsInHistory(false);
  54       setResult(aConstr1, 0);
  55
  56       // make a visible circle
  57       boost::shared_ptr<GeomDataAPI_Dir> aNDir = boost::dynamic_pointer_cast<GeomDataAPI_Dir>(
  58           aSketch->data()->attribute(SketchPlugin_Sketch::NORM_ID()));
  59       bool aHasPlane = aNDir && !(aNDir->x() == 0 && aNDir->y() == 0 && aNDir->z() == 0);
  60       if (aHasPlane) {
  61         boost::shared_ptr<GeomAPI_Dir> aNormal(new GeomAPI_Dir(aNDir->x(), aNDir->y(), aNDir->z()));
  62         // compute the circle radius
  63         double aRadius = aRadiusAttr->value();
  64
  65         boost::shared_ptr<GeomAPI_Shape> aCircleShape = GeomAlgoAPI_EdgeBuilder::lineCircle(
  66             aCenter, aNormal, aRadius);
  67         aShapes.push_back(aCircleShape);
  68         boost::shared_ptr<ModelAPI_ResultConstruction> aConstr2 = document()->createConstruction(
  69             data(), 1);
  70         aConstr2->setShape(aCircleShape);
  71         aConstr2->setIsInHistory(false);
  72         setResult(aConstr2, 1);
  73       }
  74     }
  75   }
  76 }
  77
  78 void SketchPlugin_Circle::move(double theDeltaX, double theDeltaY)
  79 {
  80   boost::shared_ptr<ModelAPI_Data> aData = data();
  81   if (!aData->isValid())
  82     return;
  83
  84   boost::shared_ptr<GeomDataAPI_Point2D> aPoint1 = boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(
  85       aData->attribute(CENTER_ID()));
  86   aPoint1->move(theDeltaX, theDeltaY);
  87 }
  88
  89 double SketchPlugin_Circle::distanceToPoint(const boost::shared_ptr<GeomAPI_Pnt2d>& thePoint)
  90 {
  91   boost::shared_ptr<ModelAPI_Data> aData = data();
  92   boost::shared_ptr<GeomDataAPI_Point2D> aPoint =
  93     boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(CENTER_ID()));
  94
  95   return aPoint->pnt()->distance(thePoint);
  96 }
  97
  98 bool SketchPlugin_Circle::isFixed() {
  99   return data()->selection(EXTERNAL_ID())->context();
 100 }
 101
 102 void SketchPlugin_Circle::attributeChanged() {
 103   static bool myIsUpdated = false; // to avoid infinitive cycle on attrubtes change
 104   boost::shared_ptr<GeomAPI_Shape> aSelection = data()->selection(EXTERNAL_ID())->value();
 105   if (aSelection && !myIsUpdated) { // update arguments due to the selection value
 106     myIsUpdated = true;
 107     boost::shared_ptr<GeomAPI_Edge> anEdge( new GeomAPI_Edge(aSelection));
 108     boost::shared_ptr<GeomAPI_Circ> aCirc = anEdge->circle();
 109     boost::shared_ptr<GeomDataAPI_Point2D> aCenterAttr =
 110       boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(attribute(CENTER_ID()));
 111     aCenterAttr->setValue(sketch()->to2D(aCirc->center()));
 112     real(RADIUS_ID())->setValue(aCirc->radius());
 113     myIsUpdated = false;
 114   }
 115 }