src/SketchPlugin/SketchPlugin_ConstraintLength.cpp

   1 // File:    SketchPlugin_ConstraintLength.cpp
   2 // Created: 30 May 2014
   3 // Author:  Artem ZHIDKOV
   4
   5 #include "SketchPlugin_ConstraintLength.h"
   6 #include <SketchPlugin_Line.h>
   7
   8 #include <GeomDataAPI_Point2D.h>
   9
  10 #include <ModelAPI_AttributeDouble.h>
  11 #include <ModelAPI_Data.h>
  12 #include <ModelAPI_Result.h>
  13
  14 #include <GeomDataAPI_Point2D.h>
  15
  16 #include <GeomAPI_Lin2d.h>
  17 #include <GeomAPI_Pnt2d.h>
  18
  19 #include <Config_PropManager.h>
  20
  21
  22 SketchPlugin_ConstraintLength::SketchPlugin_ConstraintLength()
  23 {
  24 }
  25
  26 void SketchPlugin_ConstraintLength::initAttributes()
  27 {
  28   data()->addAttribute(SketchPlugin_Constraint::VALUE(),    ModelAPI_AttributeDouble::type());
  29   data()->addAttribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT(), GeomDataAPI_Point2D::type());
  30   data()->addAttribute(SketchPlugin_Constraint::ENTITY_A(), ModelAPI_AttributeRefAttr::type());
  31 }
  32
  33 void SketchPlugin_ConstraintLength::execute()
  34 {
  35   if (data()->attribute(SketchPlugin_Constraint::ENTITY_A())->isInitialized() &&
  36       !data()->attribute(SketchPlugin_Constraint::VALUE())->isInitialized()) {
  37
  38     boost::shared_ptr<ModelAPI_AttributeRefAttr> aRef =
  39       boost::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(data()->attribute(SketchPlugin_Constraint::ENTITY_A()));
  40     FeaturePtr aFeature = ModelAPI_Feature::feature(aRef->object());
  41     if (aFeature) {
  42       // set length value
  43       boost::shared_ptr<GeomDataAPI_Point2D> aPoint1 =
  44         boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(aFeature->data()->attribute(SketchPlugin_Line::START_ID()));
  45       boost::shared_ptr<GeomDataAPI_Point2D> aPoint2 =
  46         boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(aFeature->data()->attribute(SketchPlugin_Line::END_ID()));
  47
  48       double aLenght = aPoint1->pnt()->distance(aPoint2->pnt());
  49
  50       boost::shared_ptr<ModelAPI_AttributeDouble> aValueAttr =
  51         boost::dynamic_pointer_cast<ModelAPI_AttributeDouble>(data()->attribute(SketchPlugin_Constraint::VALUE()));
  52       aValueAttr->setValue(aLenght);
  53     }
  54   }
  55 }
  56
  57 boost::shared_ptr<GeomAPI_AISObject> SketchPlugin_ConstraintLength::getAISObject(
  58                     boost::shared_ptr<GeomAPI_AISObject> thePrevious)
  59 {
  60   if (!sketch())
  61     return thePrevious;
  62
  63   boost::shared_ptr<GeomAPI_Pln> aPlane = sketch()->plane();
  64
  65   boost::shared_ptr<ModelAPI_AttributeRefAttr> anAttr =
  66     boost::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(data()->attribute(SketchPlugin_Constraint::ENTITY_A()));
  67   if (!anAttr)
  68     return thePrevious;
  69   FeaturePtr aFeature = ModelAPI_Feature::feature(anAttr->object());
  70   if (!aFeature || aFeature->getKind() != SketchPlugin_Line::ID())
  71     return thePrevious;
  72
  73   boost::shared_ptr<GeomDataAPI_Point2D> aFlyOutAttr =
  74     boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(data()->attribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT()));
  75
  76   DataPtr aData = aFeature->data();
  77   boost::shared_ptr<GeomDataAPI_Point2D> aStartPoint =
  78     boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(SketchPlugin_Line::START_ID()));
  79   boost::shared_ptr<GeomDataAPI_Point2D> anEndPoint =
  80       boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(SketchPlugin_Line::END_ID()));
  81
  82   boost::shared_ptr<GeomAPI_Pnt> aPoint1 = sketch()->to3D(aStartPoint->x(), aStartPoint->y());
  83   boost::shared_ptr<GeomAPI_Pnt> aPoint2 = sketch()->to3D(anEndPoint->x(),  anEndPoint->y());
  84   boost::shared_ptr<GeomAPI_Pnt> aFlyoutPnt = aFlyOutAttr->isInitialized() ?
  85                                               sketch()->to3D(aFlyOutAttr->x(), aFlyOutAttr->y()) :
  86                                               boost::shared_ptr<GeomAPI_Pnt>();
  87
  88   // value calculation
  89   boost::shared_ptr<ModelAPI_AttributeDouble> aValueAttr =
  90     boost::dynamic_pointer_cast<ModelAPI_AttributeDouble>(data()->attribute(SketchPlugin_Constraint::VALUE()));
  91   double aValue = aValueAttr->value();
  92
  93   boost::shared_ptr<GeomAPI_AISObject> anAIS = thePrevious;
  94   if (!anAIS)
  95     anAIS = boost::shared_ptr<GeomAPI_AISObject>(new GeomAPI_AISObject);
  96   anAIS->createDistance(aPoint1, aPoint2, aFlyoutPnt, aPlane, aValue);
  97
  98   // Set color from preferences
  99   std::string aColor = Config_PropManager::value("Sketcher", "Visualization",
 100                                                  "length_color", LENGTH_COLOR);
 101   std::vector<int> aRGB = stringToRGB(aColor);
 102   anAIS->setColor(aRGB[0], aRGB[1], aRGB[2]);
 103   return anAIS;
 104 }
 105
 106 void SketchPlugin_ConstraintLength::move(double theDeltaX, double theDeltaY)
 107 {
 108   boost::shared_ptr<ModelAPI_Data> aData = data();
 109   if (!aData->isValid())
 110     return;
 111
 112   boost::shared_ptr<GeomDataAPI_Point2D> aPoint1 =
 113         boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT()));
 114   aPoint1->setValue(aPoint1->x() + theDeltaX, aPoint1->y() + theDeltaY);
 115 }
 116