X-Git-Url: http://git.salome-platform.org/gitweb/?a=blobdiff_plain;f=src%2FSketchPlugin%2FSketchPlugin_ConstraintDistance.cpp;h=092d3c74cfedc4cfdcc5714e9eac186edc6cfd0c;hb=a7f44a41bdf29e7bd978ff3b8c8bd514d1223be7;hp=fb5b37b4c448bd1ba7294f4e94633fe34274986f;hpb=8b714c0bc3795b0a18977d2fdefbe741a8ef10c0;p=modules%2Fshaper.git

diff --git a/src/SketchPlugin/SketchPlugin_ConstraintDistance.cpp b/src/SketchPlugin/SketchPlugin_ConstraintDistance.cpp
index fb5b37b4c..092d3c74c 100644
--- a/src/SketchPlugin/SketchPlugin_ConstraintDistance.cpp
+++ b/src/SketchPlugin/SketchPlugin_ConstraintDistance.cpp
@@ -4,114 +4,236 @@
 
 #include "SketchPlugin_ConstraintDistance.h"
 #include <SketchPlugin_Point.h>
+#include <SketchPlugin_Circle.h>
+#include <SketchPlugin_Line.h>
 
-#include <GeomAPI_Lin2D.h>
-#include <GeomAPI_Pnt2D.h>
+#include <GeomAPI_Lin2d.h>
+#include <GeomAPI_Pnt2d.h>
 #include <GeomDataAPI_Point2D.h>
 
 #include <ModelAPI_AttributeDouble.h>
 #include <ModelAPI_Data.h>
 
-/// Obtain the point object from specified constraint parameter
-static boost::shared_ptr<GeomDataAPI_Point2D> getFeaturePoint(
-            DataPtr             theData,
-            const std::string&  theAttribute);
-
+#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();
+  std::shared_ptr<ModelAPI_Data> aData = data();
+  AttributeDoublePtr anAttrValue = std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
+      aData->attribute(SketchPlugin_Constraint::VALUE()));
 
-  boost::shared_ptr<GeomDataAPI_Point2D> aPoint_A = getFeaturePoint(aData, CONSTRAINT_ATTR_ENTITY_A);
-  boost::shared_ptr<GeomDataAPI_Point2D> aPoint_B = getFeaturePoint(aData, CONSTRAINT_ATTR_ENTITY_B);
-  if (aPoint_A && aPoint_B) {
-    AttributeDoublePtr anAttr_Value =
-      boost::dynamic_pointer_cast<ModelAPI_AttributeDouble>(aData->attribute(CONSTRAINT_ATTR_VALUE));
+  if(anAttrValue->isInitialized())
+    return;
 
-    if (!anAttr_Value->isInitialized()) {
-      anAttr_Value->setValue(aPoint_A->pnt()->distance(aPoint_B->pnt()));
-    }
+  double aDistance = calculateCurrentDistance();
+  if(aDistance >= 0) {
+    anAttrValue->setValue(aDistance);
   }
 }
 
-boost::shared_ptr<GeomAPI_AISObject> SketchPlugin_ConstraintDistance::getAISObject(
-                    boost::shared_ptr<GeomAPI_AISObject> thePrevious)
+//*************************************************************************************
+AISObjectPtr SketchPlugin_ConstraintDistance::getAISObject(AISObjectPtr thePrevious)
 {
   if (!sketch())
     return thePrevious;
 
-  boost::shared_ptr<GeomAPI_Pln> aPlane = sketch()->plane();
+  std::shared_ptr<GeomAPI_Pln> aPlane = sketch()->plane();
 
   DataPtr aData = data();
-  boost::shared_ptr<GeomDataAPI_Point2D> aPoint_A = getFeaturePoint(aData, CONSTRAINT_ATTR_ENTITY_A);
-  boost::shared_ptr<GeomDataAPI_Point2D> aPoint_B = getFeaturePoint(aData, CONSTRAINT_ATTR_ENTITY_B);
-  if (!aPoint_A || !aPoint_B)
-    return thePrevious;
-
-  boost::shared_ptr<GeomDataAPI_Point2D> aFlyOutAttr = 
-    boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(CONSTRAINT_ATTR_FLYOUT_VALUE_PNT));
+  std::shared_ptr<GeomDataAPI_Point2D> aPoint_A = getFeaturePoint(
+      aData, SketchPlugin_Constraint::ENTITY_A());
+  std::shared_ptr<GeomDataAPI_Point2D> aPoint_B = getFeaturePoint(
+      aData, SketchPlugin_Constraint::ENTITY_B());
 
-  boost::shared_ptr<GeomAPI_Pnt> aPoint1 = sketch()->to3D(aPoint_A->x(), aPoint_A->y());
-  boost::shared_ptr<GeomAPI_Pnt> aPoint2 = sketch()->to3D(aPoint_B->x(), aPoint_B->y());
-  boost::shared_ptr<GeomAPI_Pnt> aFlyoutPnt = aFlyOutAttr->isInitialized() ? 
-                                              sketch()->to3D(aFlyOutAttr->x(), aFlyOutAttr->y()) : 
-                                              boost::shared_ptr<GeomAPI_Pnt>();
+  std::shared_ptr<GeomAPI_Pnt2d> aPnt_A;
+  std::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) {
+    std::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) {
+    std::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 AISObjectPtr();
+
+  std::shared_ptr<GeomDataAPI_Point2D> aFlyOutAttr = std::dynamic_pointer_cast<
+      GeomDataAPI_Point2D>(aData->attribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT()));
+
+  std::shared_ptr<GeomAPI_Pnt> aPoint1 = sketch()->to3D(aPnt_A->x(), aPnt_A->y());
+  std::shared_ptr<GeomAPI_Pnt> aPoint2 = sketch()->to3D(aPnt_B->x(), aPnt_B->y());
+  std::shared_ptr<GeomAPI_Pnt> aFlyoutPnt = std::shared_ptr<GeomAPI_Pnt>();
+  if(aFlyOutAttr->isInitialized()) {
+    aFlyoutPnt = sketch()->to3D(aFlyOutAttr->x(), aFlyOutAttr->y());
+  } else {
+    std::shared_ptr<GeomAPI_Lin2d> aLine = std::shared_ptr<GeomAPI_Lin2d>(new GeomAPI_Lin2d(aPnt_A, aPnt_B));
+    double aDist = aPoint1->distance(aPoint2)/5.;
+    std::shared_ptr<GeomAPI_Pnt2d> aFPnt = aLine->shiftedLocation(aDist);
+    aFlyOutAttr->setValue(aFPnt);
+    aFlyoutPnt = sketch()->to3D(aFPnt->x(), aFPnt->y());
+  }
   // value calculation
-  boost::shared_ptr<ModelAPI_AttributeDouble> aValueAttr = 
-    boost::dynamic_pointer_cast<ModelAPI_AttributeDouble>(aData->attribute(CONSTRAINT_ATTR_VALUE));
-  double aValue = aValueAttr->value();
-
-  boost::shared_ptr<GeomAPI_AISObject> anAIS = thePrevious;
+  std::shared_ptr<ModelAPI_AttributeDouble> aValueAttr = std::dynamic_pointer_cast<
+      ModelAPI_AttributeDouble>(aData->attribute(SketchPlugin_Constraint::VALUE()));
+  double aValue = 0;
+  // Issue #196: checking the positivity of the distance constraint
+  // there is a validator for a distance constraint, that the value should be positive
+  // in case if an invalid value is set, the current distance value is shown
+  if (aValueAttr->isInitialized())
+    aValue = aValueAttr->value();
+
+  AISObjectPtr anAIS = thePrevious;
   if (!anAIS)
-    anAIS = boost::shared_ptr<GeomAPI_AISObject>(new GeomAPI_AISObject);
+    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();
+  std::shared_ptr<ModelAPI_Data> aData = data();
   if (!aData->isValid())
     return;
 
-  boost::shared_ptr<GeomDataAPI_Point2D> aPoint1 =
-        boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(CONSTRAINT_ATTR_FLYOUT_VALUE_PNT));
-  aPoint1->setValue(aPoint1->x() + theDeltaX, aPoint1->y() + theDeltaY);
+  std::shared_ptr<GeomDataAPI_Point2D> aPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
+      aData->attribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT()));
+  aPoint->move(theDeltaX, theDeltaY);
 }
 
-boost::shared_ptr<GeomDataAPI_Point2D> getFeaturePoint(DataPtr theData,
+double SketchPlugin_ConstraintDistance::calculateCurrentDistance() const
+{
+  double aDistance = -1.;
+
+  std::shared_ptr<ModelAPI_Data> aData = data();
+  std::shared_ptr<GeomDataAPI_Point2D> aPointA =
+    getFeaturePoint(aData, SketchPlugin_Constraint::ENTITY_A());
+  std::shared_ptr<GeomDataAPI_Point2D> aPointB =
+      getFeaturePoint(aData, SketchPlugin_Constraint::ENTITY_B());
+
+  if (aPointA && aPointB) {  // both points
+    aDistance = aPointA->pnt()->distance(aPointB->pnt());
+  } else {
+    if (!aPointA && aPointB) {  //Line and point
+      std::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
+      std::shared_ptr<SketchPlugin_Line> aLine =
+          getFeatureLine(aData, SketchPlugin_Constraint::ENTITY_B());
+      if (aLine) {
+        aDistance = aLine->distanceToPoint(aPointA->pnt());
+      }
+    }
+  }
+  return aDistance;
+}
+
+void SketchPlugin_ConstraintDistance::attributeChanged(const std::string& theID) {
+  if (theID == SketchPlugin_Constraint::ENTITY_A() || 
+      theID == SketchPlugin_Constraint::ENTITY_B()) 
+  {
+    std::shared_ptr<ModelAPI_AttributeDouble> aValueAttr = std::dynamic_pointer_cast<
+        ModelAPI_AttributeDouble>(data()->attribute(SketchPlugin_Constraint::VALUE()));
+    if (!aValueAttr->isInitialized()) { // only if it is not initialized, try to compute the current value
+      double aDistance = calculateCurrentDistance();
+      if (aDistance > 0) { // set as value the length of updated references
+        aValueAttr->setValue(aDistance);
+      }
+    }
+  }
+}
+
+//*************************************************************************************
+std::shared_ptr<GeomDataAPI_Point2D> getFeaturePoint(DataPtr theData,
                                                        const std::string& theAttribute)
 {
-  boost::shared_ptr<GeomDataAPI_Point2D> aPointAttr;
+  std::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));
+  std::shared_ptr<ModelAPI_AttributeRefAttr> anAttr = std::dynamic_pointer_cast<
+      ModelAPI_AttributeRefAttr>(theData->attribute(theAttribute));
   if (anAttr)
-    aFeature = boost::dynamic_pointer_cast<ModelAPI_Feature>(anAttr->object());
-
-  if (aFeature && aFeature->getKind() == SKETCH_POINT_KIND)
-    aPointAttr = boost::dynamic_pointer_cast<GeomDataAPI_Point2D>
-                                           (aFeature->data()->attribute(POINT_ATTR_COORD));
-  else {
-    if (anAttr->attr())
-      aPointAttr = boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(anAttr->attr());
+    aFeature = ModelAPI_Feature::feature(anAttr->object());
+
+  if (aFeature && aFeature->getKind() == SketchPlugin_Point::ID())
+    aPointAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
+        aFeature->data()->attribute(SketchPlugin_Point::COORD_ID()));
+  else if (aFeature && aFeature->getKind() == SketchPlugin_Circle::ID())
+    aPointAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
+        aFeature->data()->attribute(SketchPlugin_Circle::CENTER_ID()));
+  else if (anAttr->attr()) {
+    aPointAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(anAttr->attr());
   }
   return aPointAttr;
 }
+
+//*************************************************************************************
+std::shared_ptr<SketchPlugin_Line> getFeatureLine(DataPtr theData,
+                                                    const std::string& theAttribute)
+{
+  std::shared_ptr<SketchPlugin_Line> aLine;
+  if (!theData)
+    return aLine;
+
+  std::shared_ptr<ModelAPI_AttributeRefAttr> anAttr = std::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 = std::dynamic_pointer_cast<SketchPlugin_Line>(aFeature);
+    }
+  }
+  return aLine;
+}
+
+//*************************************************************************************
+std::shared_ptr<GeomAPI_Pnt2d> getProjectionPoint(
+    const std::shared_ptr<SketchPlugin_Line>& theLine,
+    const std::shared_ptr<GeomAPI_Pnt2d>& thePoint)
+{
+  std::shared_ptr<ModelAPI_Data> aData = theLine->data();
+  std::shared_ptr<GeomDataAPI_Point2D> aPoint1 = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
+      aData->attribute(SketchPlugin_Line::START_ID()));
+  std::shared_ptr<GeomDataAPI_Point2D> aPoint2 = std::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);
+}