From 4ba123816d90f754f7852ac08aad034af4081961 Mon Sep 17 00:00:00 2001
From: mpv <mikhail.ponikarov@opencascade.com>
Date: Mon, 26 May 2014 15:27:12 +0400
Subject: [PATCH] Fixed crash on exotic case: many undo-redo on sketch entity
 and after selection of appeared object

---
 src/ModuleBase/ModuleBase_WidgetPoint2D.cpp | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/ModuleBase/ModuleBase_WidgetPoint2D.cpp b/src/ModuleBase/ModuleBase_WidgetPoint2D.cpp
index 01f9902eb..623eaae63 100644
--- a/src/ModuleBase/ModuleBase_WidgetPoint2D.cpp
+++ b/src/ModuleBase/ModuleBase_WidgetPoint2D.cpp
@@ -11,6 +11,7 @@
 
 #include <ModelAPI_Feature.h>
 #include <ModelAPI_Data.h>
+#include <ModelAPI_Object.h>
 #include <GeomDataAPI_Point2D.h>
 
 #include <QGroupBox>
@@ -70,6 +71,10 @@ ModuleBase_WidgetPoint2D::~ModuleBase_WidgetPoint2D()
 bool ModuleBase_WidgetPoint2D::storeValue(boost::shared_ptr<ModelAPI_Feature> theFeature)
 {
   boost::shared_ptr<ModelAPI_Data> aData = theFeature->data();
+  if (!aData) {
+     ObjectPtr anObj = boost::dynamic_pointer_cast<ModelAPI_Object>(theFeature);
+     if (anObj) aData = anObj->featureRef()->data();
+  }
   boost::shared_ptr<GeomDataAPI_Point2D> aPoint =
     boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(myFeatureAttributeID));
 
@@ -84,6 +89,10 @@ bool ModuleBase_WidgetPoint2D::storeValue(boost::shared_ptr<ModelAPI_Feature> th
 bool ModuleBase_WidgetPoint2D::restoreValue(boost::shared_ptr<ModelAPI_Feature> theFeature)
 {
   boost::shared_ptr<ModelAPI_Data> aData = theFeature->data();
+  if (!aData) {
+     ObjectPtr anObj = boost::dynamic_pointer_cast<ModelAPI_Object>(theFeature);
+     if (anObj) aData = anObj->featureRef()->data();
+  }
   boost::shared_ptr<GeomDataAPI_Point2D> aPoint =
     boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(myFeatureAttributeID));
 
-- 
2.39.2