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_SketchEntity()
  27 {}
  28
  29 void SketchPlugin_Line::initDerivedClassAttributes()
  30 {
  31   data()->addAttribute(START_ID(), GeomDataAPI_Point2D::typeId());
  32   data()->addAttribute(END_ID(), GeomDataAPI_Point2D::typeId());
  33   data()->addAttribute(EXTERNAL_ID(), ModelAPI_AttributeSelection::typeId());
  34   ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), EXTERNAL_ID());
  35 }
  36
  37 void SketchPlugin_Line::execute()
  38 {
  39   SketchPlugin_Sketch* aSketch = sketch();
  40   if (aSketch) {
  41     // compute a start point in 3D view
  42     std::shared_ptr<GeomDataAPI_Point2D> aStartAttr = std::dynamic_pointer_cast<
  43         GeomDataAPI_Point2D>(data()->attribute(START_ID()));
  44     // compute an end point in 3D view
  45     std::shared_ptr<GeomDataAPI_Point2D> anEndAttr = std::dynamic_pointer_cast<
  46         GeomDataAPI_Point2D>(data()->attribute(END_ID()));
  47     if (aStartAttr->isInitialized() && anEndAttr->isInitialized()) {
  48       std::shared_ptr<GeomAPI_Pnt> aStart(aSketch->to3D(aStartAttr->x(), aStartAttr->y()));
  49       std::shared_ptr<GeomAPI_Pnt> anEnd(aSketch->to3D(anEndAttr->x(), anEndAttr->y()));
  50       //std::cout<<"Execute line "<<aStart->x()<<" "<<aStart->y()<<" "<<aStart->z()<<" - "
  51       //  <<anEnd->x()<<" "<<anEnd->y()<<" "<<anEnd->z()<<std::endl;
  52       // make linear edge
  53       std::shared_ptr<GeomAPI_Edge> anEdge = GeomAlgoAPI_EdgeBuilder::line(aStart, anEnd);
  54       // store the result
  55       std::shared_ptr<ModelAPI_ResultConstruction> aConstr = document()->createConstruction(
  56           data());
  57       aConstr->setShape(anEdge);
  58       aConstr->setIsInHistory(false);
  59       setResult(aConstr);
  60     }
  61   }
  62 }
  63
  64 void SketchPlugin_Line::move(double theDeltaX, double theDeltaY)
  65 {
  66   std::shared_ptr<ModelAPI_Data> aData = data();
  67   if (!aData->isValid())
  68     return;
  69
  70   std::shared_ptr<GeomDataAPI_Point2D> aPoint1 = std::dynamic_pointer_cast<GeomDataAPI_Point2D>
  71     (aData->attribute(START_ID()));
  72   aPoint1->move(theDeltaX, theDeltaY);
  73
  74   std::shared_ptr<GeomDataAPI_Point2D> aPoint2 = std::dynamic_pointer_cast<GeomDataAPI_Point2D>
  75     (aData->attribute(END_ID()));
  76   aPoint2->move(theDeltaX, theDeltaY);
  77 }
  78
  79 double SketchPlugin_Line::distanceToPoint(const std::shared_ptr<GeomAPI_Pnt2d>& thePoint)
  80 {
  81   double aDelta = 0;
  82
  83   std::shared_ptr<ModelAPI_Data> aData = data();
  84   std::shared_ptr<GeomDataAPI_Point2D> aPoint1 =
  85     std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(START_ID()));
  86   std::shared_ptr<GeomDataAPI_Point2D> aPoint2 =
  87     std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(END_ID()));
  88
  89   GeomAPI_Lin2d aLin2d(aPoint1->x(), aPoint1->y(), aPoint2->x(), aPoint2->y());
  90
  91   if (false/*projection*/) {  // TODO: if it has not been necessary, remove this block
  92     std::shared_ptr<GeomAPI_Pnt2d> aResult = aLin2d.project(thePoint);
  93     aDelta = aResult->distance(thePoint);
  94   } else {  // distance
  95     aDelta = aLin2d.distance(thePoint);
  96   }
  97
  98   return aDelta;
  99 }
 100
 101 const std::string& SketchPlugin_Line::getKind()
 102 {
 103   static std::string MY_KIND = SketchPlugin_Line::ID();
 104   return MY_KIND;
 105 }
 106
 107 bool SketchPlugin_Line::isFixed() {
 108   return data()->selection(EXTERNAL_ID())->context().get() != NULL;
 109 }
 110
 111 void SketchPlugin_Line::attributeChanged(const std::string& theID) {
 112   // the second condition for unability to move external segments anywhere
 113   // isCopy() is checked temporary for case when copied lines stored external id state
 114   // to be removed after debug
 115   if ((theID == EXTERNAL_ID() || isFixed()) && !isCopy()) {
 116     std::shared_ptr<GeomAPI_Shape> aSelection = data()->selection(EXTERNAL_ID())->value();
 117      // update arguments due to the selection value
 118     if (aSelection && !aSelection->isNull() && aSelection->isEdge()) {
 119       std::shared_ptr<GeomAPI_Edge> anEdge( new GeomAPI_Edge(aSelection));
 120       std::shared_ptr<GeomDataAPI_Point2D> aStartAttr =
 121         std::dynamic_pointer_cast<GeomDataAPI_Point2D>(attribute(START_ID()));
 122       aStartAttr->setValue(sketch()->to2D(anEdge->firstPoint()));
 123       std::shared_ptr<GeomDataAPI_Point2D> anEndAttr =
 124         std::dynamic_pointer_cast<GeomDataAPI_Point2D>(attribute(END_ID()));
 125       anEndAttr->setValue(sketch()->to2D(anEdge->lastPoint()));
 126     }
 127   }
 128 }