src/SketchPlugin/SketchPlugin_Point.cpp

   1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D -->
   2
   3 // File:    SketchPlugin_Point.cpp
   4 // Created: 07 May 2014
   5 // Author:  Artem ZHIDKOV
   6
   7 #include "SketchPlugin_Point.h"
   8 #include "SketchPlugin_Sketch.h"
   9
  10 #include <ModelAPI_Data.h>
  11 #include <ModelAPI_ResultConstruction.h>
  12 #include <ModelAPI_AttributeSelection.h>
  13 #include <ModelAPI_Validator.h>
  14 #include <ModelAPI_Session.h>
  15
  16 #include <GeomAPI_Pnt2d.h>
  17 #include <GeomAPI_Vertex.h>
  18 #include <GeomDataAPI_Point2D.h>
  19 #include <GeomAlgoAPI_PointBuilder.h>
  20
  21 using namespace std;
  22
  23 SketchPlugin_Point::SketchPlugin_Point()
  24     : SketchPlugin_SketchEntity()
  25 {
  26 }
  27
  28 void SketchPlugin_Point::initDerivedClassAttributes()
  29 {
  30   data()->addAttribute(SketchPlugin_Point::COORD_ID(), GeomDataAPI_Point2D::typeId());
  31   data()->addAttribute(EXTERNAL_ID(), ModelAPI_AttributeSelection::typeId());
  32   ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), EXTERNAL_ID());
  33 }
  34
  35 void SketchPlugin_Point::execute()
  36 {
  37   SketchPlugin_Sketch* aSketch = sketch();
  38   if (aSketch) {
  39     // compute a point in 3D view
  40     std::shared_ptr<GeomDataAPI_Point2D> aPoint =
  41         std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
  42             data()->attribute(SketchPlugin_Point::COORD_ID()));
  43     std::shared_ptr<GeomAPI_Pnt> aPoint3D(aSketch->to3D(aPoint->x(), aPoint->y()));
  44     // make a visible point
  45     std::shared_ptr<GeomAPI_Shape> aPointShape = GeomAlgoAPI_PointBuilder::point(aPoint3D);
  46     std::shared_ptr<ModelAPI_ResultConstruction> aConstr = document()->createConstruction(data());
  47     aConstr->setShape(aPointShape);
  48     aConstr->setIsInHistory(false);
  49     setResult(aConstr);
  50   }
  51 }
  52
  53 void SketchPlugin_Point::move(double theDeltaX, double theDeltaY)
  54 {
  55   std::shared_ptr<ModelAPI_Data> aData = data();
  56   if (!aData->isValid())
  57     return;
  58
  59   std::shared_ptr<GeomDataAPI_Point2D> aPoint1 = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
  60       aData->attribute(SketchPlugin_Point::COORD_ID()));
  61   aPoint1->move(theDeltaX, theDeltaY);
  62 }
  63
  64 bool SketchPlugin_Point::isFixed() {
  65   return data()->selection(EXTERNAL_ID())->context().get() != NULL;
  66 }
  67
  68 void SketchPlugin_Point::attributeChanged(const std::string& theID) {
  69   // the second condition for unability to move external point anywhere
  70   if (theID == EXTERNAL_ID() || isFixed()) {
  71     std::shared_ptr<GeomAPI_Shape> aSelection = data()->selection(EXTERNAL_ID())->value();
  72      // update arguments due to the selection value
  73     if (aSelection && !aSelection->isNull() && aSelection->isVertex()) {
  74       std::shared_ptr<GeomAPI_Vertex> aVertex(new GeomAPI_Vertex(aSelection));
  75       std::shared_ptr<GeomDataAPI_Point2D> aCoordAttr =
  76         std::dynamic_pointer_cast<GeomDataAPI_Point2D>(attribute(COORD_ID()));
  77       aCoordAttr->setValue(sketch()->to2D(aVertex->point()));
  78     }
  79   }
  80 }