From 2e17372e7afde6155c85cc45f1cde56e198d7ff7 Mon Sep 17 00:00:00 2001
From: nds <nds@opencascade.com>
Date: Fri, 9 Dec 2016 07:42:30 +0300
Subject: [PATCH] Issue #1781 Split circles into arcs leads to arcs with
 different centers

Correction to avoid previous workaround.
---
 src/Model/Model_AttributeRefAttr.cpp              |  5 +++--
 src/SketchPlugin/SketchPlugin_ConstraintSplit.cpp | 14 --------------
 2 files changed, 3 insertions(+), 16 deletions(-)

diff --git a/src/Model/Model_AttributeRefAttr.cpp b/src/Model/Model_AttributeRefAttr.cpp
index 034620126..eff39c6f7 100644
--- a/src/Model/Model_AttributeRefAttr.cpp
+++ b/src/Model/Model_AttributeRefAttr.cpp
@@ -20,9 +20,10 @@ void Model_AttributeRefAttr::setAttr(std::shared_ptr<ModelAPI_Attribute> theAttr
   std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(
       theAttr->owner()->data());
   std::string anID = aData->id(theAttr);
-  if (myIsInitialized && object() == theAttr->owner() && myID->Get().IsEqual(anID.c_str()))
+  ObjectPtr anObj = object();
+  if (myIsInitialized && anObj == theAttr->owner() && myID->Get().IsEqual(anID.c_str()))
     return;  // nothing is changed
-  REMOVE_BACK_REF(theAttr->owner());
+  REMOVE_BACK_REF(anObj);
   myRef->Set(aData->label().Father());
   myID->Set(aData->id(theAttr).c_str());
   ADD_BACK_REF(theAttr->owner());
diff --git a/src/SketchPlugin/SketchPlugin_ConstraintSplit.cpp b/src/SketchPlugin/SketchPlugin_ConstraintSplit.cpp
index b83431b19..e0b26898b 100755
--- a/src/SketchPlugin/SketchPlugin_ConstraintSplit.cpp
+++ b/src/SketchPlugin/SketchPlugin_ConstraintSplit.cpp
@@ -48,8 +48,6 @@
 #include <iostream>
 #endif
 
-#define CIRCLE_FEATURE_DELETE_WITHOUT_REFERENCES
-
 static const double PI = 3.141592653589793238463;
 
 SketchPlugin_ConstraintSplit::SketchPlugin_ConstraintSplit()
@@ -95,9 +93,6 @@ void SketchPlugin_ConstraintSplit::execute()
   FeaturePtr aBaseFeature = ModelAPI_Feature::feature(aBaseObjectAttr->value());
   ResultPtr aBaseFeatureResult = getFeatureResult(aBaseFeature);
   std::set<FeaturePtr> aFeaturesToDelete, aFeaturesToUpdate;
-  #ifdef CIRCLE_FEATURE_DELETE_WITHOUT_REFERENCES
-  FeaturePtr aCircleFeatureToDelete;
-  #endif
 
   std::map<FeaturePtr, IdToPointPair> aTangentFeatures;
   std::map<FeaturePtr, IdToPointPair> aCoincidenceToFeature;
@@ -223,11 +218,7 @@ void SketchPlugin_ConstraintSplit::execute()
     updateRefFeatureConstraints(getFeatureResult(aBaseFeature), aRefsToFeature);
 
     AttributePtr aCenterAttr = aCircleFeature->attribute(SketchPlugin_Circle::CENTER_ID());
-#ifdef CIRCLE_FEATURE_DELETE_WITHOUT_REFERENCES
-    aCircleFeatureToDelete = aCircleFeature;
-#else
     aFeaturesToDelete.insert(aCircleFeature);
-#endif
     // as circle is removed, temporary fill this attribute*/
     aBaseObjectAttr->setObject(ResultPtr());
   }
@@ -306,11 +297,6 @@ void SketchPlugin_ConstraintSplit::execute()
   }
 #endif
   ModelAPI_Tools::removeFeaturesAndReferences(aFeaturesToDelete);
-#ifdef CIRCLE_FEATURE_DELETE_WITHOUT_REFERENCES
-  std::set<FeaturePtr> aCircleFeatures;
-  aCircleFeatures.insert(aCircleFeatureToDelete);
-  ModelAPI_Tools::removeFeatures(aCircleFeatures, false);
-#endif
 
 #ifdef DEBUG_SPLIT
   std::cout << "update features after split:" << std::endl;
-- 
2.39.2