src/SketchPlugin/SketchPlugin_Line.cpp

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