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