src/SketchPlugin/SketchPlugin_Line.cpp

   1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D -->
   2
   3 // File:        SketchPlugin_Line.cxx
   4 // Created:     27 Mar 2014
   5 // Author:      Mikhail PONIKAROV
   6
   7 #include "SketchPlugin_Line.h"
   8 #include "SketchPlugin_Sketch.h"
   9 #include <ModelAPI_Data.h>
  10 #include <ModelAPI_ResultConstruction.h>
  11 #include <ModelAPI_AttributeSelection.h>
  12 #include <ModelAPI_AttributeBoolean.h>
  13 #include <ModelAPI_Validator.h>
  14 #include <ModelAPI_Session.h>
  15
  16 #include <GeomAPI_Pnt.h>
  17 #include <GeomAPI_Lin2d.h>
  18 #include <GeomAPI_Pnt2d.h>
  19
  20 #include <GeomAlgoAPI_EdgeBuilder.h>
  21 #include <GeomDataAPI_Point2D.h>
  22
  23 using namespace std;
  24
  25 SketchPlugin_Line::SketchPlugin_Line()
  26     : SketchPlugin_Feature()
  27 {}
  28
  29 void SketchPlugin_Line::initAttributes()
  30 {
  31   data()->addAttribute(START_ID(), GeomDataAPI_Point2D::type());
  32   data()->addAttribute(END_ID(), GeomDataAPI_Point2D::type());
  33   data()->addAttribute(CONSTRUCTION_ID(), ModelAPI_AttributeBoolean::type());
  34   data()->addAttribute(EXTERNAL_ID(), ModelAPI_AttributeSelection::type());
  35   ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), EXTERNAL_ID());
  36 }
  37
  38 void SketchPlugin_Line::execute()
  39 {
  40   SketchPlugin_Sketch* aSketch = sketch();
  41   if (aSketch) {
  42     // compute a start point in 3D view
  43     std::shared_ptr<GeomDataAPI_Point2D> aStartAttr = std::dynamic_pointer_cast<
  44         GeomDataAPI_Point2D>(data()->attribute(START_ID()));
  45     // compute an end point in 3D view
  46     std::shared_ptr<GeomDataAPI_Point2D> anEndAttr = std::dynamic_pointer_cast<
  47         GeomDataAPI_Point2D>(data()->attribute(END_ID()));
  48     if (aStartAttr->isInitialized() && anEndAttr->isInitialized()) {
  49       std::shared_ptr<GeomAPI_Pnt> aStart(aSketch->to3D(aStartAttr->x(), aStartAttr->y()));
  50       std::shared_ptr<GeomAPI_Pnt> anEnd(aSketch->to3D(anEndAttr->x(), anEndAttr->y()));
  51       //std::cout<<"Execute line "<<aStart->x()<<" "<<aStart->y()<<" "<<aStart->z()<<" - "
  52       //  <<anEnd->x()<<" "<<anEnd->y()<<" "<<anEnd->z()<<std::endl;
  53       // make linear edge
  54       std::shared_ptr<GeomAPI_Edge> anEdge = GeomAlgoAPI_EdgeBuilder::line(aStart, anEnd);
  55       // store the result
  56       std::shared_ptr<ModelAPI_ResultConstruction> aConstr = document()->createConstruction(
  57           data());
  58       aConstr->setShape(anEdge);
  59       aConstr->setIsInHistory(false);
  60       setResult(aConstr);
  61     }
  62   }
  63 }
  64
  65 void SketchPlugin_Line::move(double theDeltaX, double theDeltaY)
  66 {
  67   std::shared_ptr<ModelAPI_Data> aData = data();
  68   if (!aData->isValid())
  69     return;
  70
  71   std::shared_ptr<GeomDataAPI_Point2D> aPoint1 = std::dynamic_pointer_cast<GeomDataAPI_Point2D>
  72     (aData->attribute(START_ID()));
  73   aPoint1->move(theDeltaX, theDeltaY);
  74
  75   std::shared_ptr<GeomDataAPI_Point2D> aPoint2 = std::dynamic_pointer_cast<GeomDataAPI_Point2D>
  76     (aData->attribute(END_ID()));
  77   aPoint2->move(theDeltaX, theDeltaY);
  78 }
  79
  80 double SketchPlugin_Line::distanceToPoint(const std::shared_ptr<GeomAPI_Pnt2d>& thePoint)
  81 {
  82   double aDelta = 0;
  83
  84   std::shared_ptr<ModelAPI_Data> aData = data();
  85   std::shared_ptr<GeomDataAPI_Point2D> aPoint1 =
  86     std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(START_ID()));
  87   std::shared_ptr<GeomDataAPI_Point2D> aPoint2 =
  88     std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(END_ID()));
  89
  90   GeomAPI_Lin2d aLin2d(aPoint1->x(), aPoint1->y(), aPoint2->x(), aPoint2->y());
  91
  92   if (false/*projection*/) {  // TODO: if it has not been necessary, remove this block
  93     std::shared_ptr<GeomAPI_Pnt2d> aResult = aLin2d.project(thePoint);
  94     aDelta = aResult->distance(thePoint);
  95   } else {  // distance
  96     aDelta = aLin2d.distance(thePoint);
  97   }
  98
  99   return aDelta;
 100 }
 101
 102 bool SketchPlugin_Line::isFixed() {
 103   return data()->selection(EXTERNAL_ID())->context().get();
 104 }
 105
 106 void SketchPlugin_Line::attributeChanged(const std::string& theID) {
 107   if (theID == EXTERNAL_ID()) {
 108     std::shared_ptr<GeomAPI_Shape> aSelection = data()->selection(EXTERNAL_ID())->value();
 109      // update arguments due to the selection value
 110     if (aSelection && !aSelection->isNull() && aSelection->isEdge()) {
 111       std::shared_ptr<GeomAPI_Edge> anEdge( new GeomAPI_Edge(aSelection));
 112       std::shared_ptr<GeomDataAPI_Point2D> aStartAttr =
 113         std::dynamic_pointer_cast<GeomDataAPI_Point2D>(attribute(START_ID()));
 114       aStartAttr->setValue(sketch()->to2D(anEdge->firstPoint()));
 115       std::shared_ptr<GeomDataAPI_Point2D> anEndAttr =
 116         std::dynamic_pointer_cast<GeomDataAPI_Point2D>(attribute(END_ID()));
 117       anEndAttr->setValue(sketch()->to2D(anEdge->lastPoint()));
 118     }
 119   }
 120 }
 121