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[modules/shaper.git] / src / SketchPlugin / SketchPlugin_ConstraintDistance.cpp
index afb764a5dcfcc3654075ebf5847136f9b77e1a2c..60c3e23b1f17bcadd58672db383d9db6b09536c4 100644 (file)
 // Author:  Artem ZHIDKOV
 
 #include "SketchPlugin_ConstraintDistance.h"
+#include <SketchPlugin_Point.h>
+#include <SketchPlugin_Circle.h>
+#include <SketchPlugin_Line.h>
 
-#include "GeomDataAPI_Point2D.h"
+#include <GeomAPI_Lin2d.h>
+#include <GeomAPI_Pnt2d.h>
+#include <GeomDataAPI_Point2D.h>
 
 #include <ModelAPI_AttributeDouble.h>
 #include <ModelAPI_Data.h>
-#include <SketchPlugin_Point.h>
+
+#include <Config_PropManager.h>
 
 SketchPlugin_ConstraintDistance::SketchPlugin_ConstraintDistance()
 {
 }
 
+//*************************************************************************************
 void SketchPlugin_ConstraintDistance::initAttributes()
 {
-  data()->addAttribute(CONSTRAINT_ATTR_VALUE,    ModelAPI_AttributeDouble::type());
-  data()->addAttribute(CONSTRAINT_ATTR_FLYOUT_VALUE_PNT, GeomDataAPI_Point2D::type());
-  data()->addAttribute(CONSTRAINT_ATTR_ENTITY_A, ModelAPI_AttributeRefAttr::type());
-  data()->addAttribute(CONSTRAINT_ATTR_ENTITY_B, ModelAPI_AttributeRefAttr::type());
+  data()->addAttribute(SketchPlugin_Constraint::VALUE(), ModelAPI_AttributeDouble::type());
+  data()->addAttribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT(), GeomDataAPI_Point2D::type());
+  data()->addAttribute(SketchPlugin_Constraint::ENTITY_A(), ModelAPI_AttributeRefAttr::type());
+  data()->addAttribute(SketchPlugin_Constraint::ENTITY_B(), ModelAPI_AttributeRefAttr::type());
 }
 
+//*************************************************************************************
 void SketchPlugin_ConstraintDistance::execute()
 {
+  boost::shared_ptr<ModelAPI_Data> aData = data();
+  AttributeDoublePtr anAttrValue = boost::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
+      aData->attribute(SketchPlugin_Constraint::VALUE()));
+
+  if(anAttrValue->isInitialized())
+    return;
+  boost::shared_ptr<GeomDataAPI_Point2D> aPointA =
+      getFeaturePoint(aData, SketchPlugin_Constraint::ENTITY_A());
+  boost::shared_ptr<GeomDataAPI_Point2D> aPointB =
+      getFeaturePoint(aData, SketchPlugin_Constraint::ENTITY_B());
+
+  double aDistance = -1.;
+  if (aPointA && aPointB) {  // both points
+    aDistance = aPointA->pnt()->distance(aPointB->pnt());
+  } else {
+    if (!aPointA && aPointB) {  //Line and point
+      boost::shared_ptr<SketchPlugin_Line> aLine =
+          getFeatureLine(aData, SketchPlugin_Constraint::ENTITY_A());
+      if (aLine) {
+        aDistance = aLine->distanceToPoint(aPointB->pnt());
+      }
+    } else if (aPointA && !aPointB) {  // Point and line
+      boost::shared_ptr<SketchPlugin_Line> aLine =
+          getFeatureLine(aData, SketchPlugin_Constraint::ENTITY_B());
+      if (aLine) {
+        aDistance = aLine->distanceToPoint(aPointA->pnt());
+      }
+    }
+  }
+  if(aDistance >= 0) {
+    anAttrValue->setValue(aDistance);
+  }
 }
 
-const boost::shared_ptr<GeomAPI_Shape>&  SketchPlugin_ConstraintDistance::preview()
+//*************************************************************************************
+AISObjectPtr SketchPlugin_ConstraintDistance::getAISObject(AISObjectPtr thePrevious)
 {
-  /// \todo Preview for distance constraint
-  return getPreview();
+  if (!sketch())
+    return thePrevious;
+
+  boost::shared_ptr<GeomAPI_Pln> aPlane = sketch()->plane();
+
+  DataPtr aData = data();
+  boost::shared_ptr<GeomDataAPI_Point2D> aPoint_A = getFeaturePoint(
+      aData, SketchPlugin_Constraint::ENTITY_A());
+  boost::shared_ptr<GeomDataAPI_Point2D> aPoint_B = getFeaturePoint(
+      aData, SketchPlugin_Constraint::ENTITY_B());
+
+  boost::shared_ptr<GeomAPI_Pnt2d> aPnt_A;
+  boost::shared_ptr<GeomAPI_Pnt2d> aPnt_B;
+
+  if (aPoint_A && aPoint_B) {
+    aPnt_A = aPoint_A->pnt();
+    aPnt_B = aPoint_B->pnt();
+  } else if (!aPoint_A && aPoint_B) {
+    boost::shared_ptr<SketchPlugin_Line> aLine = getFeatureLine(
+        aData, SketchPlugin_Constraint::ENTITY_A());
+    if (aLine) {
+      aPnt_B = aPoint_B->pnt();
+      aPnt_A = getProjectionPoint(aLine, aPnt_B);
+    }
+  } else if (aPoint_A && !aPoint_B) {
+    boost::shared_ptr<SketchPlugin_Line> aLine = getFeatureLine(
+        aData, SketchPlugin_Constraint::ENTITY_B());
+    if (aLine) {
+      aPnt_A = aPoint_A->pnt();
+      aPnt_B = getProjectionPoint(aLine, aPnt_A);
+    }
+  }
+  if (!aPnt_A || !aPnt_B)
+    return thePrevious;
+
+  boost::shared_ptr<GeomDataAPI_Point2D> aFlyOutAttr = boost::dynamic_pointer_cast<
+      GeomDataAPI_Point2D>(aData->attribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT()));
+
+  boost::shared_ptr<GeomAPI_Pnt> aPoint1 = sketch()->to3D(aPnt_A->x(), aPnt_A->y());
+  boost::shared_ptr<GeomAPI_Pnt> aPoint2 = sketch()->to3D(aPnt_B->x(), aPnt_B->y());
+  boost::shared_ptr<GeomAPI_Pnt> aFlyoutPnt =
+      aFlyOutAttr->isInitialized() ?
+          sketch()->to3D(aFlyOutAttr->x(), aFlyOutAttr->y()) : boost::shared_ptr<GeomAPI_Pnt>();
+
+  // value calculation
+  boost::shared_ptr<ModelAPI_AttributeDouble> aValueAttr = boost::dynamic_pointer_cast<
+      ModelAPI_AttributeDouble>(aData->attribute(SketchPlugin_Constraint::VALUE()));
+  double aValue = aValueAttr->value();
+
+  AISObjectPtr anAIS = thePrevious;
+  if (!anAIS)
+    anAIS = AISObjectPtr(new GeomAPI_AISObject);
+  anAIS->createDistance(aPoint1, aPoint2, aFlyoutPnt, aPlane, aValue);
+
+  // Set color from preferences
+  std::vector<int> aRGB = Config_PropManager::color("Visualization", "distance_color",
+                                                    DISTANCE_COLOR);
+  anAIS->setColor(aRGB[0], aRGB[1], aRGB[2]);
+  return anAIS;
 }
 
+//*************************************************************************************
+void SketchPlugin_ConstraintDistance::move(double theDeltaX, double theDeltaY)
+{
+  boost::shared_ptr<ModelAPI_Data> aData = data();
+  if (!aData->isValid())
+    return;
+
+  boost::shared_ptr<GeomDataAPI_Point2D> aPoint1 = boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(
+      aData->attribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT()));
+  aPoint1->setValue(aPoint1->x() + theDeltaX, aPoint1->y() + theDeltaY);
+}
+
+//*************************************************************************************
+boost::shared_ptr<GeomDataAPI_Point2D> getFeaturePoint(DataPtr theData,
+                                                       const std::string& theAttribute)
+{
+  boost::shared_ptr<GeomDataAPI_Point2D> aPointAttr;
+
+  if (!theData)
+    return aPointAttr;
+
+  FeaturePtr aFeature;
+  boost::shared_ptr<ModelAPI_AttributeRefAttr> anAttr = boost::dynamic_pointer_cast<
+      ModelAPI_AttributeRefAttr>(theData->attribute(theAttribute));
+  if (anAttr)
+    aFeature = ModelAPI_Feature::feature(anAttr->object());
+
+  if (aFeature && aFeature->getKind() == SketchPlugin_Point::ID())
+    aPointAttr = boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(
+        aFeature->data()->attribute(SketchPlugin_Point::COORD_ID()));
+  else if (aFeature && aFeature->getKind() == SketchPlugin_Circle::ID())
+    aPointAttr = boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(
+        aFeature->data()->attribute(SketchPlugin_Circle::CENTER_ID()));
+  else if (anAttr->attr()) {
+    aPointAttr = boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(anAttr->attr());
+  }
+  return aPointAttr;
+}
+
+//*************************************************************************************
+boost::shared_ptr<SketchPlugin_Line> getFeatureLine(DataPtr theData,
+                                                    const std::string& theAttribute)
+{
+  boost::shared_ptr<SketchPlugin_Line> aLine;
+  if (!theData)
+    return aLine;
+
+  boost::shared_ptr<ModelAPI_AttributeRefAttr> anAttr = boost::dynamic_pointer_cast<
+      ModelAPI_AttributeRefAttr>(theData->attribute(theAttribute));
+  if (anAttr) {
+    FeaturePtr aFeature = ModelAPI_Feature::feature(anAttr->object());
+    if (aFeature && aFeature->getKind() == SketchPlugin_Line::ID()) {
+      aLine = boost::dynamic_pointer_cast<SketchPlugin_Line>(aFeature);
+    }
+  }
+  return aLine;
+}
+
+//*************************************************************************************
+boost::shared_ptr<GeomAPI_Pnt2d> getProjectionPoint(
+    const boost::shared_ptr<SketchPlugin_Line>& theLine,
+    const boost::shared_ptr<GeomAPI_Pnt2d>& thePoint)
+{
+  boost::shared_ptr<ModelAPI_Data> aData = theLine->data();
+  boost::shared_ptr<GeomDataAPI_Point2D> aPoint1 = boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(
+      aData->attribute(SketchPlugin_Line::START_ID()));
+  boost::shared_ptr<GeomDataAPI_Point2D> aPoint2 = boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(
+      aData->attribute(SketchPlugin_Line::END_ID()));
+
+  GeomAPI_Lin2d aLin2d(aPoint1->x(), aPoint1->y(), aPoint2->x(), aPoint2->y());
+  return aLin2d.project(thePoint);
+}