src/SketchPlugin/SketchPlugin_IntersectionPoint.cpp

   1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D -->
   2
   3 // File:    SketchPlugin_IntersectionPoint.cpp
   4 // Created: 07 May 2014
   5 // Author:  Artem ZHIDKOV
   6
   7 #include "SketchPlugin_IntersectionPoint.h"
   8
   9 #include <ModelAPI_AttributeSelection.h>
  10 #include <ModelAPI_Session.h>
  11 #include <ModelAPI_Validator.h>
  12
  13 #include <GeomAPI_Edge.h>
  14 #include <GeomAPI_Lin.h>
  15 #include <GeomDataAPI_Point2D.h>
  16
  17 SketchPlugin_IntersectionPoint::SketchPlugin_IntersectionPoint()
  18     : SketchPlugin_Point()
  19 {
  20 }
  21
  22 void SketchPlugin_IntersectionPoint::initDerivedClassAttributes()
  23 {
  24   data()->addAttribute(EXTERNAL_LINE_ID(), ModelAPI_AttributeSelection::typeId());
  25
  26   SketchPlugin_Point::initDerivedClassAttributes();
  27 }
  28
  29 void SketchPlugin_IntersectionPoint::execute()
  30 {
  31   SketchPlugin_Sketch* aSketch = sketch();
  32   if (aSketch) {
  33     computePoint();
  34     SketchPlugin_Point::execute();
  35
  36     // set this feature as external
  37     data()->selection(EXTERNAL_ID())->setValue(lastResult(), lastResult()->shape());
  38   }
  39 }
  40
  41 void SketchPlugin_IntersectionPoint::move(double theDeltaX, double theDeltaY)
  42 {
  43 }
  44
  45 void SketchPlugin_IntersectionPoint::attributeChanged(const std::string& theID)
  46 {
  47   if (theID == EXTERNAL_LINE_ID()) {
  48     // compute intersection between line and sketch plane
  49     computePoint();
  50   }
  51 }
  52
  53 void SketchPlugin_IntersectionPoint::computePoint()
  54 {
  55   AttributeSelectionPtr aLineAttr =
  56       std::dynamic_pointer_cast<ModelAPI_AttributeSelection>(attribute(EXTERNAL_LINE_ID()));
  57
  58   std::shared_ptr<GeomAPI_Edge> anEdge;
  59   if(aLineAttr && aLineAttr->value() && aLineAttr->value()->isEdge()) {
  60     anEdge = std::shared_ptr<GeomAPI_Edge>(new GeomAPI_Edge(aLineAttr->value()));
  61   } else if(aLineAttr->context() && aLineAttr->context()->shape() && aLineAttr->context()->shape()->isEdge()) {
  62     anEdge = std::shared_ptr<GeomAPI_Edge>(new GeomAPI_Edge(aLineAttr->context()->shape()));
  63   }
  64   if(!anEdge.get())
  65     return;
  66
  67   std::shared_ptr<GeomAPI_Lin> aLine = anEdge->line();
  68   std::shared_ptr<GeomAPI_Pln> aSketchPlane = sketch()->plane();
  69
  70   std::shared_ptr<GeomAPI_Pnt> anIntersection = aSketchPlane->intersect(aLine);
  71   if (!anIntersection)
  72     return;
  73
  74   std::shared_ptr<GeomDataAPI_Point2D> aCoordAttr =
  75       std::dynamic_pointer_cast<GeomDataAPI_Point2D>(attribute(COORD_ID()));
  76   aCoordAttr->setValue(sketch()->to2D(anIntersection));
  77 }