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
  13 #include <GeomDataAPI_Point2D.h>
  14
  15 #include <AIS_LengthDimension.hxx>
  16 #include <gp_Pnt.hxx>
  17 #include <gp_Pln.hxx>
  18
  19 SketchPlugin_ConstraintLength::SketchPlugin_ConstraintLength()
  20 {
  21 }
  22
  23 void SketchPlugin_ConstraintLength::initAttributes()
  24 {
  25   data()->addAttribute(CONSTRAINT_ATTR_VALUE,    ModelAPI_AttributeDouble::type());
  26   data()->addAttribute(CONSTRAINT_ATTR_FLYOUT_VALUE, ModelAPI_AttributeDouble::type());
  27   data()->addAttribute(CONSTRAINT_ATTR_FLYOUT_VALUE_PNT, GeomDataAPI_Point2D::type());
  28   data()->addAttribute(CONSTRAINT_ATTR_ENTITY_A, ModelAPI_AttributeRefAttr::type());
  29 }
  30
  31 void SketchPlugin_ConstraintLength::execute()
  32 {
  33 }
  34
  35 Handle(AIS_InteractiveObject) SketchPlugin_ConstraintLength::getAISShape(
  36   Handle_AIS_InteractiveObject thePrevious)
  37 {
  38   if (!sketch())
  39     return thePrevious;
  40
  41   boost::shared_ptr<GeomAPI_Pln> aPlane = sketch()->plane();
  42
  43   boost::shared_ptr<ModelAPI_AttributeRefAttr> anAttr =
  44     boost::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(data()->attribute(CONSTRAINT_ATTR_ENTITY_A));
  45   if (!anAttr)
  46     return thePrevious;
  47   FeaturePtr aFeature = anAttr->feature();
  48   if (!aFeature || aFeature->getKind() != SKETCH_LINE_KIND)
  49     return thePrevious;
  50
  51   boost::shared_ptr<ModelAPI_AttributeDouble> aFlyoutAttr =
  52     boost::dynamic_pointer_cast<ModelAPI_AttributeDouble>(data()->attribute(CONSTRAINT_ATTR_FLYOUT_VALUE));
  53   double aFlyout = aFlyoutAttr->value();
  54
  55   boost::shared_ptr<ModelAPI_AttributeDouble> aValueAttr =
  56     boost::dynamic_pointer_cast<ModelAPI_AttributeDouble>(data()->attribute(CONSTRAINT_ATTR_VALUE));
  57   double aValue = aValueAttr->value();
  58
  59   boost::shared_ptr<ModelAPI_Data> aData = aFeature->data();
  60   if (!aData->isValid())
  61     return thePrevious;
  62
  63   boost::shared_ptr<GeomDataAPI_Point2D> aPointStart =
  64         boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(LINE_ATTR_START));
  65   boost::shared_ptr<GeomDataAPI_Point2D> aPointEnd =
  66         boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(LINE_ATTR_END));
  67
  68   //Build dimension here
  69   boost::shared_ptr<GeomAPI_Pnt> aPoint1 = sketch()->to3D(aPointStart->x(), aPointStart->y());
  70   boost::shared_ptr<GeomAPI_Pnt> aPoint2 = sketch()->to3D(aPointEnd->x(),   aPointEnd->y());
  71   if (aFlyout < 0)
  72     aPoint1.swap(aPoint2);
  73
  74   Handle(AIS_InteractiveObject) anAIS = thePrevious;
  75   if (anAIS.IsNull())
  76   {
  77     Handle(AIS_LengthDimension) aDimAIS =
  78       new AIS_LengthDimension(aPoint1->impl<gp_Pnt>(), aPoint2->impl<gp_Pnt>(), aPlane->impl<gp_Pln>());
  79     aDimAIS->SetCustomValue(aValue);
  80
  81     Handle(Prs3d_DimensionAspect) anAspect = new Prs3d_DimensionAspect();
  82     anAspect->MakeArrows3d (Standard_False);
  83     anAspect->MakeText3d(false/*is text 3d*/);
  84     anAspect->TextAspect()->SetHeight(CONSTRAINT_TEXT_HEIGHT);
  85     anAspect->MakeTextShaded(false/*is test shaded*/);
  86     aDimAIS->DimensionAspect()->MakeUnitsDisplayed(false/*is units displayed*/);
  87     /*if (isUnitsDisplayed)
  88     {
  89       aDimAIS->SetDisplayUnits (aDimDlg->GetUnits ());
  90     }*/
  91     aDimAIS->SetDimensionAspect (anAspect);
  92     aDimAIS->SetFlyout(aFlyout);
  93     aDimAIS->SetSelToleranceForText2d(CONSTRAINT_TEXT_SELECTION_TOLERANCE);
  94
  95     anAIS = aDimAIS;
  96   }
  97   else
  98   {
  99     // update presentation
 100     Handle(AIS_LengthDimension) aDimAIS = Handle(AIS_LengthDimension)::DownCast(anAIS);
 101     if (!aDimAIS.IsNull())
 102     {
 103       aDimAIS->SetMeasuredGeometry(aPoint1->impl<gp_Pnt>(), aPoint2->impl<gp_Pnt>(), aPlane->impl<gp_Pln>());
 104       aDimAIS->SetCustomValue(aValue);
 105       aDimAIS->SetFlyout(aFlyout);
 106
 107       aDimAIS->Redisplay(Standard_True);
 108     }
 109   }
 110   return anAIS;
 111 }
 112
 113 void SketchPlugin_ConstraintLength::move(double theDeltaX, double theDeltaY)
 114 {
 115   boost::shared_ptr<ModelAPI_Data> aData = data();
 116   if (!aData->isValid())
 117     return;
 118
 119   boost::shared_ptr<GeomDataAPI_Point2D> aPoint1 =
 120         boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(CONSTRAINT_ATTR_FLYOUT_VALUE_PNT));
 121   aPoint1->setValue(aPoint1->x() + theDeltaX, aPoint1->y() + theDeltaY);
 122 }
 123