From 72604b9da2705f9030a886193ce9bb632dfda376 Mon Sep 17 00:00:00 2001
From: vsv <vitaly.smetannikov@opencascade.com>
Date: Thu, 8 Oct 2015 16:07:08 +0300
Subject: [PATCH] Method isStable is defined

---
 src/ModelAPI/ModelAPI_Feature.cpp              | 15 +++++++++++++++
 src/ModelAPI/ModelAPI_Feature.h                | 10 ++++++++++
 src/ModuleBase/ModuleBase_OperationFeature.cpp |  2 ++
 3 files changed, 27 insertions(+)

diff --git a/src/ModelAPI/ModelAPI_Feature.cpp b/src/ModelAPI/ModelAPI_Feature.cpp
index 9edfefa4c..6d17254bc 100644
--- a/src/ModelAPI/ModelAPI_Feature.cpp
+++ b/src/ModelAPI/ModelAPI_Feature.cpp
@@ -199,6 +199,20 @@ bool ModelAPI_Feature::isDisabled()
   return myIsDisabled;
 }
 
+bool ModelAPI_Feature::setStable(const bool theFlag)
+{
+  if (myIsStable != theFlag) {
+    myIsStable = theFlag;
+    return true;
+  }
+  return false;
+}
+
+bool ModelAPI_Feature::isStable()
+{
+  return myIsStable;
+}
+
 bool ModelAPI_Feature::isPreviewNeeded() const
 {
   return true;
@@ -207,4 +221,5 @@ bool ModelAPI_Feature::isPreviewNeeded() const
 void ModelAPI_Feature::init()
 {
   myIsDisabled = false;
+  myIsStable = true;
 }
diff --git a/src/ModelAPI/ModelAPI_Feature.h b/src/ModelAPI/ModelAPI_Feature.h
index 2508e6a2e..af55636cb 100644
--- a/src/ModelAPI/ModelAPI_Feature.h
+++ b/src/ModelAPI/ModelAPI_Feature.h
@@ -28,6 +28,9 @@ class ModelAPI_Feature : public ModelAPI_Object
   std::list<std::shared_ptr<ModelAPI_Result> > myResults;
   ///< is feature disabled or not
   bool myIsDisabled;
+  ///< is feature is stable (not editing)
+  bool myIsStable;
+
  public:
   /// Returns the unique kind of a feature (like "Point")
   virtual const std::string& getKind() = 0;
@@ -132,6 +135,13 @@ class ModelAPI_Feature : public ModelAPI_Object
   /// Returns the feature by the object (result).
   MODELAPI_EXPORT static std::shared_ptr<ModelAPI_Feature> feature(ObjectPtr theObject);
 
+  /// Set the stable feature flag. If feature is currently editing then it is not stable.
+  /// \returns true if state is really changed
+  MODELAPI_EXPORT virtual bool setStable(const bool theFlag);
+
+  /// Returns the feature is stable or not.
+  MODELAPI_EXPORT virtual bool isStable();
+
  //
  // Helper methods, aliases for data()->method()
  // -----------------------------------------------------------------------------------------------
diff --git a/src/ModuleBase/ModuleBase_OperationFeature.cpp b/src/ModuleBase/ModuleBase_OperationFeature.cpp
index b3540002f..a6829d1bc 100755
--- a/src/ModuleBase/ModuleBase_OperationFeature.cpp
+++ b/src/ModuleBase/ModuleBase_OperationFeature.cpp
@@ -114,6 +114,7 @@ void ModuleBase_OperationFeature::stopOperation()
   if (myVisualizedObjects.find(aFeature) != myVisualizedObjects.end()) {
     aFeature->setDisplayed(false);
   }
+  aFeature->setStable(true);
   if (myVisualizedObjects.size() > 0)
     Events_Loop::loop()->flush(Events_Loop::loop()->eventByName(EVENT_OBJECT_TO_REDISPLAY));
 }
@@ -146,6 +147,7 @@ FeaturePtr ModuleBase_OperationFeature::createFeature(const bool theFlushMessage
 void ModuleBase_OperationFeature::setFeature(FeaturePtr theFeature)
 {
   myFeature = theFeature;
+  myFeature->setStable(false);
   myIsEditing = true;
 }
 
-- 
2.39.2