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 SketchPlugin_Point::SketchPlugin_Point()
  22     : SketchPlugin_SketchEntity()
  23 {
  24 }
  25
  26 void SketchPlugin_Point::initDerivedClassAttributes()
  27 {
  28   data()->addAttribute(SketchPlugin_Point::COORD_ID(), GeomDataAPI_Point2D::typeId());
  29   data()->addAttribute(EXTERNAL_ID(), ModelAPI_AttributeSelection::typeId());
  30   ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), EXTERNAL_ID());
  31 }
  32
  33 void SketchPlugin_Point::execute()
  34 {
  35   SketchPlugin_Sketch* aSketch = sketch();
  36   if (aSketch) {
  37     // compute a point in 3D view
  38     std::shared_ptr<GeomDataAPI_Point2D> aPoint =
  39         std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
  40             data()->attribute(SketchPlugin_Point::COORD_ID()));
  41     std::shared_ptr<GeomAPI_Pnt> aPoint3D(aSketch->to3D(aPoint->x(), aPoint->y()));
  42     // make a visible point
  43     std::shared_ptr<GeomAPI_Shape> aPointShape = GeomAlgoAPI_PointBuilder::vertex(aPoint3D);
  44     std::shared_ptr<ModelAPI_ResultConstruction> aConstr = document()->createConstruction(data());
  45     aConstr->setShape(aPointShape);
  46     aConstr->setIsInHistory(false);
  47     setResult(aConstr);
  48   }
  49 }
  50
  51 void SketchPlugin_Point::move(double theDeltaX, double theDeltaY)
  52 {
  53   std::shared_ptr<ModelAPI_Data> aData = data();
  54   if (!aData->isValid())
  55     return;
  56
  57   std::shared_ptr<GeomDataAPI_Point2D> aPoint1 = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
  58       aData->attribute(SketchPlugin_Point::COORD_ID()));
  59   aPoint1->move(theDeltaX, theDeltaY);
  60 }
  61
  62 bool SketchPlugin_Point::isFixed() {
  63   return data()->selection(EXTERNAL_ID())->context().get() != NULL;
  64 }
  65
  66 void SketchPlugin_Point::attributeChanged(const std::string& theID) {
  67   // the second condition for unability to move external point anywhere
  68   if (theID == EXTERNAL_ID() || isFixed()) {
  69     std::shared_ptr<GeomAPI_Shape> aSelection = data()->selection(EXTERNAL_ID())->value();
  70     if (!aSelection) {
  71       // empty shape in selection shows that the shape is equal to context
  72       ResultPtr anExtRes = selection(EXTERNAL_ID())->context();
  73       if (anExtRes)
  74         aSelection = anExtRes->shape();
  75     }
  76     // update arguments due to the selection value
  77     if (aSelection && !aSelection->isNull() && aSelection->isVertex()) {
  78       std::shared_ptr<GeomAPI_Vertex> aVertex(new GeomAPI_Vertex(aSelection));
  79       std::shared_ptr<GeomDataAPI_Point2D> aCoordAttr =
  80         std::dynamic_pointer_cast<GeomDataAPI_Point2D>(attribute(COORD_ID()));
  81       aCoordAttr->setValue(sketch()->to2D(aVertex->point()));
  82     }
  83   }
  84 }