X-Git-Url: http://git.salome-platform.org/gitweb/?a=blobdiff_plain;f=src%2FSketchPlugin%2FSketchPlugin_Validators.cpp;h=3b79ad68cae45a90022ea0093a0bb4cddb89c0af;hb=868158fe6d39b25e60ac528295b1c908821e4af5;hp=674f9de12ee3be1107ddb2c399d67adb3ad86993;hpb=9fdd5bb2d329d3fc435f86a0247b6b5378c252b1;p=modules%2Fshaper.git

diff --git a/src/SketchPlugin/SketchPlugin_Validators.cpp b/src/SketchPlugin/SketchPlugin_Validators.cpp
old mode 100644
new mode 100755
index 674f9de12..3b79ad68c
--- a/src/SketchPlugin/SketchPlugin_Validators.cpp
+++ b/src/SketchPlugin/SketchPlugin_Validators.cpp
@@ -5,13 +5,16 @@
 // Author:      Vitaly SMETANNIKOV
 
 #include "SketchPlugin_Validators.h"
-#include "SketchPlugin_ConstraintDistance.h"
+
+#include "SketchPlugin_Arc.h"
+#include "SketchPlugin_Circle.h"
 #include "SketchPlugin_ConstraintCoincidence.h"
+#include "SketchPlugin_ConstraintDistance.h"
 #include "SketchPlugin_ConstraintRigid.h"
 #include "SketchPlugin_Line.h"
-#include "SketchPlugin_Arc.h"
-#include "SketchPlugin_Circle.h"
 #include "SketchPlugin_Point.h"
+#include "SketchPlugin_Sketch.h"
+#include "SketchPlugin_Tools.h"
 
 #include "SketcherPrs_Tools.h"
 
@@ -21,25 +24,28 @@
 #include <ModelAPI_AttributeRefAttr.h>
 #include <ModelAPI_AttributeRefList.h>
 #include <ModelAPI_AttributeSelectionList.h>
+#include <ModelAPI_AttributeString.h>
 #include <ModelAPI_Session.h>
 
-#include <GeomValidators_Edge.h>
-
 #include <GeomDataAPI_Point2D.h>
 
+const double tolerance = 1.e-7;
 
-bool SketchPlugin_DistanceAttrValidator::isValid(
-  const AttributePtr& theAttribute, const std::list<std::string>& theArguments ) const
+bool SketchPlugin_DistanceAttrValidator::isValid(const AttributePtr& theAttribute, 
+                                                 const std::list<std::string>& theArguments,
+                                                 std::string& theError) const
 {
+  if (theAttribute->attributeType() != ModelAPI_AttributeRefAttr::typeId()) {
+    theError = "The attribute with the " + theAttribute->attributeType() + " type is not processed";
+    return false;
+  }
+
   // there is a check whether the feature contains a point and a linear edge or two point values
   std::string aParamA = theArguments.front();
   SessionPtr aMgr = ModelAPI_Session::get();
   ModelAPI_ValidatorsFactory* aFactory = aMgr->validators();
 
   AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(theAttribute);
-  if (!aRefAttr)
-    return false;
-
   bool isObject = aRefAttr->isObject();
   if (!isObject) {
     // an attribute is a point. A point value is valid always for the distance
@@ -48,110 +54,112 @@ bool SketchPlugin_DistanceAttrValidator::isValid(
     // 1. check whether the references object is a linear
     ObjectPtr anObject = aRefAttr->object();
 
-    const ModelAPI_AttributeValidator* anEdgeValidator = 
-      dynamic_cast<const GeomValidators_Edge*>(aFactory->validator("GeomValidators_Edge"));
+    const ModelAPI_AttributeValidator* aShapeValidator = 
+      dynamic_cast<const ModelAPI_AttributeValidator*>(aFactory->validator("GeomValidators_ShapeType"));
     std::list<std::string> anArguments;
     anArguments.push_back("circle");
-    bool anEdgeValid = anEdgeValidator->isValid(aRefAttr, anArguments);
+    std::string aCircleError;
+    bool aShapeValid = aShapeValidator->isValid(aRefAttr, anArguments, aCircleError);
     // the circle line is not a valid case
-    if (anEdgeValid)
+    if (aShapeValid) {
+      theError = "Circle can not be used in distance constraint";
       return false;
+    }
       
     anArguments.clear();
     anArguments.push_back("line");
-    anEdgeValid = anEdgeValidator->isValid(aRefAttr, anArguments);
+    std::string aLineError;
+    aShapeValid = aShapeValidator->isValid(aRefAttr, anArguments, aLineError);
     // if the attribute value is not a line, that means it is a vertex. A vertex is always valid
-    if (!anEdgeValid)
-      return true;
-
-    FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(theAttribute->owner());
-    // If it is a line then we have to check that first attribute id not a line
-    std::shared_ptr<GeomDataAPI_Point2D> aPoint = SketcherPrs_Tools::getFeaturePoint(aFeature->data(), aParamA);
-    if (aPoint)
-      return true;
+    if (aShapeValid) {
+      FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(theAttribute->owner());
+      // If it is a line then we have to check that first attribute id not a line
+      std::shared_ptr<SketchPlugin_Feature> aSFeature =
+        std::dynamic_pointer_cast<SketchPlugin_Feature>(theAttribute->owner());
+      SketchPlugin_Sketch* aSketch = aSFeature->sketch();
+      std::shared_ptr<GeomAPI_Ax3> aPlane = SketchPlugin_Sketch::plane(aSketch);
+      std::shared_ptr<GeomDataAPI_Point2D> aPoint = SketcherPrs_Tools::getFeaturePoint(
+        aFeature->data(), aParamA, aPlane);
+      if (!aPoint.get()) {
+        theError = "One of parameters of distance constraint should be a point";
+        return false;
+      }
+    }
   }
-  return false;
+  return true;
 }
-bool SketchPlugin_TangentAttrValidator::isValid(
-  const AttributePtr& theAttribute, const std::list<std::string>& theArguments ) const
+
+bool SketchPlugin_TangentAttrValidator::isValid(const AttributePtr& theAttribute, 
+                                                const std::list<std::string>& theArguments,
+                                                std::string& theError) const
 {
+  if (theAttribute->attributeType() != ModelAPI_AttributeRefAttr::typeId()) {
+    theError = "The attribute with the " + theAttribute->attributeType() + " type is not processed";
+    return false;
+  }
+
   // there is a check whether the feature contains a point and a linear edge or two point values
   std::string aParamA = theArguments.front();
   SessionPtr aMgr = ModelAPI_Session::get();
   ModelAPI_ValidatorsFactory* aFactory = aMgr->validators();
 
-  FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(theAttribute->owner());
+  FeaturePtr anAttributeFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(theAttribute->owner());
   AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(theAttribute);
-  if (!aRefAttr)
-    return false;
 
   bool isObject = aRefAttr->isObject();
   ObjectPtr anObject = aRefAttr->object();
-  if (isObject && anObject) {
+  if (isObject && anObject.get()) {
     FeaturePtr aRefFea = ModelAPI_Feature::feature(anObject);
 
-    AttributeRefAttrPtr aOtherAttr = aFeature->data()->refattr(aParamA);
+    AttributeRefAttrPtr aOtherAttr = anAttributeFeature->data()->refattr(aParamA);
     ObjectPtr aOtherObject = aOtherAttr->object();
     FeaturePtr aOtherFea = ModelAPI_Feature::feature(aOtherObject);
 
     if (aRefFea->getKind() == SketchPlugin_Line::ID()) {
-      if (aOtherFea->getKind() != SketchPlugin_Arc::ID())
+      if (aOtherFea->getKind() != SketchPlugin_Arc::ID()) {
+        theError = "It refers to a " + SketchPlugin_Line::ID() + ", but " + aParamA + " is not an "
+          + SketchPlugin_Arc::ID();
         return false;
-    } else if (aRefFea->getKind() == SketchPlugin_Arc::ID()) {
+      }
+    }
+    else if (aRefFea->getKind() == SketchPlugin_Arc::ID()) {
       if (aOtherFea->getKind() != SketchPlugin_Line::ID() &&
-          aOtherFea->getKind() != SketchPlugin_Arc::ID())
+        aOtherFea->getKind() != SketchPlugin_Arc::ID()) {
+        theError = "It refers to an " + SketchPlugin_Arc::ID() + ", but " + aParamA + " is not a "
+          + SketchPlugin_Line::ID() + " or an " + SketchPlugin_Arc::ID();
         return false;
-    } else
-      return false;
-
-    // check that both have coincidence
-    FeaturePtr aConstrFeature;
-    std::set<FeaturePtr> aCoinList;
-    const std::set<std::shared_ptr<ModelAPI_Attribute>>& aRefsList = aRefFea->data()->refsToMe();
-    std::set<std::shared_ptr<ModelAPI_Attribute>>::const_iterator aIt;
-    for (aIt = aRefsList.cbegin(); aIt != aRefsList.cend(); ++aIt) {
-      std::shared_ptr<ModelAPI_Attribute> aAttr = (*aIt);
-      aConstrFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aAttr->owner());
-      if (aConstrFeature->getKind() == SketchPlugin_ConstraintCoincidence::ID()) {
-        AttributeRefAttrPtr aRAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(aAttr);
-        AttributePtr aAR = aRAttr->attr();
-        if (aAR->id() != SketchPlugin_Arc::CENTER_ID()) // ignore constraint to center of arc
-          aCoinList.insert(aConstrFeature);
       }
     }
-    // if there is no coincidence then it is not valid
-    if (aCoinList.size() == 0)
+    else {
+      theError = "It refers to " + aRefFea->getKind() + "but should refer to " + SketchPlugin_Line::ID()
+        + " or " + SketchPlugin_Arc::ID();
       return false;
-
-    // find that coincedence is the same
-    const std::set<std::shared_ptr<ModelAPI_Attribute>>& aOtherList = aOtherFea->data()->refsToMe();
-    std::set<FeaturePtr>::const_iterator aCoinsIt;
-    for (aIt = aOtherList.cbegin(); aIt != aOtherList.cend(); ++aIt) {
-      std::shared_ptr<ModelAPI_Attribute> aAttr = (*aIt);
-      aConstrFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aAttr->owner());
-      aCoinsIt = aCoinList.find(aConstrFeature);
-      if (aCoinsIt != aCoinList.end()) {
-        AttributeRefAttrPtr aRAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(aAttr);
-        AttributePtr aAR = aRAttr->attr();
-        if (aAR->id() != SketchPlugin_Arc::CENTER_ID())
-          return true;
-      }
     }
+    return true;
   }
-  return false;
+  else {
+    theError = "It uses an empty object";
+    return false;
+  }
+
+  return true;
 }
 
-bool SketchPlugin_NotFixedValidator::isValid(
-    const AttributePtr& theAttribute, const std::list<std::string>& theArguments) const
+bool SketchPlugin_NotFixedValidator::isValid(const AttributePtr& theAttribute, 
+                                             const std::list<std::string>& theArguments,
+                                             std::string& theError) const
 {
+  if (theAttribute->attributeType() != ModelAPI_AttributeRefAttr::typeId()) {
+    theError = "The attribute with the " + theAttribute->attributeType() + " type is not processed";
+    return false;
+  }
+
   std::shared_ptr<SketchPlugin_Feature> aFeature =
       std::dynamic_pointer_cast<SketchPlugin_Feature>(theAttribute->owner());
   if (!aFeature)
     return true;
 
   AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(theAttribute);
-  if (!aRefAttr)
-    return false;
 
   SketchPlugin_Sketch* aSketch = aFeature->sketch();
   int aNbFeatures = aSketch->numberOfSubs();
@@ -162,35 +170,57 @@ bool SketchPlugin_NotFixedValidator::isValid(
     AttributeRefAttrPtr aRAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
         aSubFeature->attribute(SketchPlugin_ConstraintRigid::ENTITY_A()));
     if (aRefAttr->isObject()) {
-      if (aRefAttr->object() == aRAttr->object())
+      if (aRefAttr->object() == aRAttr->object()) {
+        ObjectPtr anObject = aRefAttr->object();
+        std::string aName = anObject.get() ? anObject->data()->name() : "";
+        theError = "The object " + aName + " has been already fixed.";
         return false;
-    } else if (aRefAttr->attr() == aRAttr->attr())
+      }
+    }
+    else if (aRefAttr->attr() == aRAttr->attr()) {
+      AttributePtr anAttribute = aRefAttr->attr();
+      std::string aName = anAttribute.get() ? anAttribute->id() : "";
+      theError = "The attribute " + aName + " has been already fixed.";
       return false;
+    }
   }
   return true;
 }
 
-bool SketchPlugin_EqualAttrValidator::isValid(
-  const AttributePtr& theAttribute, const std::list<std::string>& theArguments ) const
+bool SketchPlugin_EqualAttrValidator::isValid(const AttributePtr& theAttribute, 
+                                              const std::list<std::string>& theArguments,
+                                              std::string& theError) const
 {
+  if (theAttribute->attributeType() != ModelAPI_AttributeRefAttr::typeId()) {
+    theError = "The attribute with the " + theAttribute->attributeType() + " type is not processed";
+    return false;
+  }
+
   std::string aParamA = theArguments.front();
   FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(theAttribute->owner());
   AttributeRefAttrPtr aRefAttr[2];
   aRefAttr[0] = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(theAttribute);
-  if (!aRefAttr)
-    return false;
   aRefAttr[1] = aFeature->data()->refattr(aParamA);
 
-  if (!aRefAttr[0]->isObject() || !aRefAttr[1]->isObject())
+  if (!aRefAttr[0]->isObject() || !aRefAttr[1]->isObject()) {
+    theError = "Attributes can not be used in equal constraint";
     return false;
+  }
 
   int aType[2] = {0, 0}; // types of attributes: 0 - incorrect, 1 - line, 2 - circle, 3 - arc
   std::list<std::string> anArguments;
   for (int i = 0; i < 2; i++) {
     ObjectPtr anObject = aRefAttr[i]->object();
+    if (!anObject.get()) {
+      theError = "An empty object is used.";
+      return false;
+    }
+
     aFeature = ModelAPI_Feature::feature(anObject);
-    if (!aFeature)
+    if (!aFeature.get()) {
+      theError = "An empty feature is used.";
       return false;
+    }
 
     if (aFeature->getKind() == SketchPlugin_Line::ID()) {
       aType[i] = 1;
@@ -204,43 +234,61 @@ bool SketchPlugin_EqualAttrValidator::isValid(
       aType[i] = 3;
       continue;
     }
+    theError = "The " + aFeature->getKind() + " feature kind of attribute is wrong. It should be " +
+               SketchPlugin_Line::ID() + " or " + SketchPlugin_Circle::ID() + " or " + 
+               SketchPlugin_Arc::ID();
     // wrong type of attribute
     return false;
   }
 
   if ((aType[0] == 1 && aType[1] == 2) ||
-      (aType[0] == 2 && aType[1] == 1))
+      (aType[0] == 2 && aType[1] == 1)) {
+    theError = "Feature with kinds " + SketchPlugin_Line::ID() + " and " +
+               SketchPlugin_Circle::ID() + "can not be equal.";
     return false;
+  }
   return true;
 }
 
-bool SketchPlugin_MirrorAttrValidator::isValid(
-  const AttributePtr& theAttribute, const std::list<std::string>& theArguments ) const
+bool SketchPlugin_MirrorAttrValidator::isValid(const AttributePtr& theAttribute, 
+                                               const std::list<std::string>& theArguments,
+                                               std::string& theError) const
 {
-  FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(theAttribute->owner());
-  AttributeSelectionListPtr aSelAttr = 
-    std::dynamic_pointer_cast<ModelAPI_AttributeSelectionList>(theAttribute);
-  if (!aSelAttr)
+  if (theAttribute->attributeType() != ModelAPI_AttributeRefList::typeId()) {
+    theError = "The attribute with the " + theAttribute->attributeType() + " type is not processed";
     return false;
+  }
+
+  FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(theAttribute->owner());
+  AttributeRefListPtr aSelAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefList>(theAttribute);
 
   AttributeRefListPtr aRefListOfMirrored = std::dynamic_pointer_cast<ModelAPI_AttributeRefList>(
       aFeature->attribute(SketchPlugin_Constraint::ENTITY_C()));
   std::list<ObjectPtr> aMirroredObjects = aRefListOfMirrored->list();
 
   for(int anInd = 0; anInd < aSelAttr->size(); anInd++) {
-    std::shared_ptr<ModelAPI_AttributeSelection> aSelect = aSelAttr->value(anInd);
+    ObjectPtr aSelObject = aSelAttr->object(anInd);
+    std::string aName = aSelObject.get() ? aSelObject->data()->name() : "";
     std::list<ObjectPtr>::iterator aMirIter = aMirroredObjects.begin();
     for (; aMirIter != aMirroredObjects.end(); aMirIter++)
-      if (aSelect->context() == *aMirIter)
+      if (aSelObject == *aMirIter) {
+        theError = "The object " + aName + " is a result of mirror";
         return false;
+      }
   }
   return true;
 }
 
 
-bool SketchPlugin_CoincidenceAttrValidator::isValid(
-  const AttributePtr& theAttribute, const std::list<std::string>& theArguments ) const
+bool SketchPlugin_CoincidenceAttrValidator::isValid(const AttributePtr& theAttribute, 
+                                                    const std::list<std::string>& theArguments,
+                                                    std::string& theError) const
 {
+  if (theAttribute->attributeType() != ModelAPI_AttributeRefAttr::typeId()) {
+    theError = "The attribute with the " + theAttribute->attributeType() + " type is not processed";
+    return false;
+  }
+
   // there is a check whether the feature contains a point and a linear edge or two point values
   std::string aParamA = theArguments.front();
   SessionPtr aMgr = ModelAPI_Session::get();
@@ -248,20 +296,28 @@ bool SketchPlugin_CoincidenceAttrValidator::isValid(
 
   FeaturePtr aConstraint = std::dynamic_pointer_cast<ModelAPI_Feature>(theAttribute->owner());
   AttributeRefAttrPtr aRefAttrA = aConstraint->data()->refattr(aParamA);
-  if (!aRefAttrA)
+  if (!aRefAttrA) {
+    theError = "The " + aParamA + " attribute " + " should be " + ModelAPI_AttributeRefAttr::typeId();
     return false;
+  }
 
   AttributeRefAttrPtr aRefAttrB = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(theAttribute);
-  if (!aRefAttrB)
-    return false;
 
   // first attribute is a point, it may coincide with any object
   if (!aRefAttrA->isObject())
     return true;
   else {
+    ObjectPtr anObject = aRefAttrA->object();
+    if (!anObject.get()) {
+      theError = aParamA + " attribute has an empty object";
+      return false;
+    }
     FeaturePtr aFeature = ModelAPI_Feature::feature(aRefAttrA->object());
-    if (!aFeature)
+    if (!aFeature.get()) {
+      theError = aParamA + " attribute has an empty feature";
       return false;
+    }
+
     if (aFeature->getKind() == SketchPlugin_Point::ID())
       return true;
   }
@@ -271,12 +327,236 @@ bool SketchPlugin_CoincidenceAttrValidator::isValid(
     return true;
   else {
     FeaturePtr aFeature = ModelAPI_Feature::feature(aRefAttrB->object());
-    if (!aFeature)
+    if (!aFeature) {
+      theError = theAttribute->id() + " attribute has an empty object";
       return false;
+    }
     if (aFeature->getKind() == SketchPlugin_Point::ID())
       return true;
   }
-
+  theError = "There is no an attribute filled by a point";
   return false;
 }
 
+
+bool SketchPlugin_CopyValidator::isValid(const AttributePtr& theAttribute, 
+                                         const std::list<std::string>& theArguments,
+                                         std::string& theError) const
+{
+  if (theAttribute->attributeType() != ModelAPI_AttributeRefList::typeId()) {
+    theError = "The attribute with the " + theAttribute->attributeType() + " type is not processed";
+    return false;
+  }
+
+  FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(theAttribute->owner());
+  AttributeRefListPtr aSelAttr = 
+    std::dynamic_pointer_cast<ModelAPI_AttributeRefList>(theAttribute);
+
+  AttributeRefListPtr aRefListOfInitial = std::dynamic_pointer_cast<ModelAPI_AttributeRefList>(
+      aFeature->attribute(SketchPlugin_Constraint::ENTITY_A()));
+  AttributeRefListPtr aRefListOfCopied = std::dynamic_pointer_cast<ModelAPI_AttributeRefList>(
+      aFeature->attribute(SketchPlugin_Constraint::ENTITY_B()));
+  std::list<ObjectPtr> anInitialObjects = aRefListOfInitial->list();
+  std::list<ObjectPtr> aCopiedObjects = aRefListOfCopied->list();
+
+  std::list<ObjectPtr>::iterator anObjIter;
+  for(int anInd = 0; anInd < aSelAttr->size(); anInd++) {
+    ObjectPtr aSelObject = aSelAttr->object(anInd);
+    anObjIter = anInitialObjects.begin();
+    for (; anObjIter != anInitialObjects.end(); anObjIter++)
+      if (aSelObject == *anObjIter)
+        break;
+    if (anObjIter != anInitialObjects.end())
+      continue;
+    anObjIter = aCopiedObjects.begin();
+    for (; anObjIter != aCopiedObjects.end(); anObjIter++)
+      if (aSelObject == *anObjIter) {
+        std::string aName = aSelObject.get() ? aSelObject->data()->name() : "";
+        theError = "The object " + aName + " is a result of copy";
+        return false;
+      }
+  }
+  return true;
+}
+
+bool SketchPlugin_SolverErrorValidator::isValid(const std::shared_ptr<ModelAPI_Feature>& theFeature,
+                                                const std::list<std::string>& theArguments,
+                                                std::string& theError) const
+{
+  AttributeStringPtr aAttributeString = theFeature->string(SketchPlugin_Sketch::SOLVER_ERROR());
+
+  if (!aAttributeString->value().empty()) {
+    theError = aAttributeString->value();
+    return false;
+  }
+
+  return true;
+}
+
+bool SketchPlugin_SolverErrorValidator::isNotObligatory(std::string theFeature, std::string theAttribute)
+{
+  return true;
+}
+
+bool SketchPlugin_FilletVertexValidator::isValid(const AttributePtr& theAttribute,
+                                                 const std::list<std::string>& theArguments,
+                                                 std::string& theError) const
+{
+  if(!theAttribute.get()) {
+    return false;
+  }
+
+  AttributeRefAttrPtr aBase = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(theAttribute);
+  AttributePtr anAttrBase = aBase->attr();
+  if(aBase->isObject()) {
+    return false;
+  }
+
+  // If we alredy have some result then:
+  // - if it is the same point all ok
+  // - if it is point on the fillet arc then it is not valid
+  FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(theAttribute->owner());
+  AttributePtr aBaseLinesAttribute = aFeature->attribute(SketchPlugin_Constraint::ENTITY_C());
+  AttributeRefListPtr aRefListOfBaseLines = std::dynamic_pointer_cast<ModelAPI_AttributeRefList>(aBaseLinesAttribute);
+  std::list<ObjectPtr> anOldFeatList = aRefListOfBaseLines->list();
+  if(!aRefListOfBaseLines->list().empty()) {
+    FeaturePtr anOldFeatureA, anOldFeatureB;
+    std::list<ObjectPtr>::iterator aFeatIt = anOldFeatList.begin();
+    anOldFeatureA = ModelAPI_Feature::feature(*aFeatIt++);
+    anOldFeatureB = ModelAPI_Feature::feature(*aFeatIt);
+
+    AttributePtr anAttrStartA = 
+      anOldFeatureA->attribute(anOldFeatureA->getKind() == SketchPlugin_Line::ID() ? SketchPlugin_Line::START_ID() : SketchPlugin_Arc::START_ID());
+    AttributePtr anAttrEndA = 
+      anOldFeatureA->attribute(anOldFeatureA->getKind() == SketchPlugin_Line::ID() ? SketchPlugin_Line::END_ID() : SketchPlugin_Arc::END_ID());
+    AttributePtr anAttrStartB = 
+      anOldFeatureB->attribute(anOldFeatureB->getKind() == SketchPlugin_Line::ID() ? SketchPlugin_Line::START_ID() : SketchPlugin_Arc::START_ID());
+    AttributePtr anAttrEndB = 
+      anOldFeatureB->attribute(anOldFeatureB->getKind() == SketchPlugin_Line::ID() ? SketchPlugin_Line::END_ID() : SketchPlugin_Arc::END_ID());
+
+    std::shared_ptr<GeomAPI_Pnt2d> aBasePnt = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(anAttrBase)->pnt();
+    std::shared_ptr<GeomAPI_Pnt2d> aStartPntA = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(anAttrStartA)->pnt();
+    std::shared_ptr<GeomAPI_Pnt2d> anEndPntA = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(anAttrEndA)->pnt();
+    std::shared_ptr<GeomAPI_Pnt2d> aStartPntB = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(anAttrStartB)->pnt();
+    std::shared_ptr<GeomAPI_Pnt2d> anEndPntB = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(anAttrEndB)->pnt();
+    double aDistBaseStartA = aBasePnt->distance(aStartPntA);
+    double aDistBaseEndA = aBasePnt->distance(anEndPntA);
+    double aDistStartAStartB = aStartPntA->distance(aStartPntB);
+    double aDistStartAEndB = aStartPntA->distance(anEndPntB);
+    double aDistEndAStartB = anEndPntA->distance(aStartPntB);
+    double aDistEndAEndB = anEndPntA->distance(anEndPntB);
+
+    if((aDistBaseStartA < tolerance && (aDistStartAStartB < tolerance || aDistStartAEndB < tolerance)) ||
+      (aDistBaseEndA < tolerance && (aDistEndAStartB < tolerance || aDistEndAStartB < tolerance))) {
+      return true;
+    }
+
+    // Check that point not on fillet arc
+    AttributeRefListPtr aRefListOfFillet = std::dynamic_pointer_cast<ModelAPI_AttributeRefList>(
+        aFeature->attribute(SketchPlugin_Constraint::ENTITY_B()));
+    std::list<ObjectPtr> aNewFeatList = aRefListOfFillet->list();
+    if(!aNewFeatList.empty()) {
+      aFeatIt = aNewFeatList.begin();
+      FeaturePtr aNewArc;
+      //aNewFeatureA = ModelAPI_Feature::feature(*aFeatIt++);
+      //aNewFeatureB = ModelAPI_Feature::feature(*aFeatIt++);
+      aFeatIt++; aFeatIt++;
+      aNewArc = ModelAPI_Feature::feature(*aFeatIt);
+      AttributePtr anArcStart = aNewArc->attribute(SketchPlugin_Arc::START_ID());
+      AttributePtr anArcEnd = aNewArc->attribute(SketchPlugin_Arc::END_ID());
+      std::shared_ptr<GeomAPI_Pnt2d> anArcStartPnt = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(anArcStart)->pnt();
+      std::shared_ptr<GeomAPI_Pnt2d> anArcEndPnt = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(anArcEnd)->pnt();
+      double aDistBaseArcStart = aBasePnt->distance(anArcStartPnt);
+      double aDistBaseArcEnd = aBasePnt->distance(anArcEndPnt);
+      if(aDistBaseArcStart < tolerance || aDistBaseArcEnd < tolerance) {
+        return false;
+      }
+    }
+  }
+
+  const std::set<AttributePtr>& aRefsList = anAttrBase->owner()->data()->refsToMe();
+  std::set<AttributePtr>::const_iterator aIt;
+  FeaturePtr aCoincident;
+  for (aIt = aRefsList.cbegin(); aIt != aRefsList.cend(); ++aIt) {
+    std::shared_ptr<ModelAPI_Attribute> aAttr = (*aIt);
+    FeaturePtr aConstrFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aAttr->owner());
+    if (aConstrFeature->getKind() == SketchPlugin_ConstraintCoincidence::ID()) {
+      AttributeRefAttrPtr anAttrRefA = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
+        aConstrFeature->attribute(SketchPlugin_ConstraintCoincidence::ENTITY_A()));
+      AttributeRefAttrPtr anAttrRefB = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
+        aConstrFeature->attribute(SketchPlugin_ConstraintCoincidence::ENTITY_B()));
+      if(anAttrRefA.get() && !anAttrRefA->isObject()) {
+        AttributePtr anAttrA = anAttrRefA->attr();
+        if(anAttrBase == anAttrA) {
+          aCoincident = aConstrFeature;
+          break;
+        }
+      }
+      if(anAttrRefA.get() && !anAttrRefB->isObject()) {
+        AttributePtr anAttrB = anAttrRefB->attr();
+        if(anAttrBase == anAttrB) {
+          aCoincident = aConstrFeature;
+          break;
+        }
+      }
+    }
+  }
+
+  if(!aCoincident.get()) {
+    return false;
+  }
+
+  std::set<FeaturePtr> aCoinsides;
+  SketchPlugin_Tools::findCoincidences(aCoincident,
+                                       SketchPlugin_ConstraintCoincidence::ENTITY_A(),
+                                       aCoinsides);
+  SketchPlugin_Tools::findCoincidences(aCoincident,
+                                       SketchPlugin_ConstraintCoincidence::ENTITY_B(),
+                                       aCoinsides);
+  // Remove points
+  std::set<FeaturePtr> aNewLines;
+  for(std::set<FeaturePtr>::iterator anIt = aCoinsides.begin(); anIt != aCoinsides.end(); ++anIt) {
+    if((*anIt)->getKind() != SketchPlugin_Point::ID()) {
+      aNewLines.insert(*anIt);
+    }
+  }
+  aCoinsides = aNewLines;
+
+  // Remove auxilary lines
+  if(aCoinsides.size() > 2) {
+    aNewLines.clear();
+    for(std::set<FeaturePtr>::iterator anIt = aCoinsides.begin(); anIt != aCoinsides.end(); ++anIt) {
+      if(!(*anIt)->boolean(SketchPlugin_SketchEntity::AUXILIARY_ID())->value()) {
+        aNewLines.insert(*anIt);
+      }
+    }
+    aCoinsides = aNewLines;
+  }
+
+  if(aCoinsides.size() != 2) {
+    return false;
+  }
+
+  // Check that lines not collinear
+  std::set<FeaturePtr>::iterator anIt = aCoinsides.begin();
+  FeaturePtr aFirstFeature = *anIt++;
+  FeaturePtr aSecondFeature = *anIt;
+  if(aFirstFeature->getKind() == SketchPlugin_Line::ID() && aSecondFeature->getKind() == SketchPlugin_Line::ID()) {
+    std::string aStartAttr = SketchPlugin_Line::START_ID();
+    std::string anEndAttr = SketchPlugin_Line::END_ID();
+    std::shared_ptr<GeomAPI_Pnt2d> aFirstStartPnt, aFirstEndPnt, aSecondStartPnt, aSecondEndPnt;
+    aFirstStartPnt = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aFirstFeature->attribute(aStartAttr))->pnt();
+    aFirstEndPnt = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aFirstFeature->attribute(anEndAttr))->pnt();
+    aSecondStartPnt = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aSecondFeature->attribute(aStartAttr))->pnt();
+    aSecondEndPnt = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aSecondFeature->attribute(anEndAttr))->pnt();
+    double aCheck1 = abs((aFirstEndPnt->x() - aFirstStartPnt->x()) * (aSecondStartPnt->y() - aFirstStartPnt->y()) -
+      (aSecondStartPnt->x() - aFirstStartPnt->x()) * (aFirstEndPnt->y() - aFirstStartPnt->y()));
+    double aCheck2 = abs((aFirstEndPnt->x() - aFirstStartPnt->x()) * (aSecondEndPnt->y() - aFirstStartPnt->y()) -
+      (aSecondEndPnt->x() - aFirstStartPnt->x()) * (aFirstEndPnt->y() - aFirstStartPnt->y()));
+    if(aCheck1 < 1.e-7 && aCheck2 < 1.e-7) {
+      return false;
+    }
+  }
+
+  return true;
+}