From c832083dc42c0c489271ce585a670afafa172ddb Mon Sep 17 00:00:00 2001
From: nds <nds@opencascade.com>
Date: Wed, 20 Nov 2013 09:50:16 +0000
Subject: [PATCH] A correction is necessary to the presentation doesn't
 disappear after Undo/Redo actions.

---
 src/HYDROCurveCreator/CurveCreator_Widget.cxx | 15 +++++++++++++--
 src/HYDROCurveCreator/CurveCreator_Widget.h   |  2 +-
 2 files changed, 14 insertions(+), 3 deletions(-)

diff --git a/src/HYDROCurveCreator/CurveCreator_Widget.cxx b/src/HYDROCurveCreator/CurveCreator_Widget.cxx
index bfd8c809..fed3c501 100644
--- a/src/HYDROCurveCreator/CurveCreator_Widget.cxx
+++ b/src/HYDROCurveCreator/CurveCreator_Widget.cxx
@@ -732,7 +732,11 @@ void CurveCreator_Widget::onUndo()
 {
     if( !myCurve )
       return;
+
+    CurveCreator_Widget::SectionToPointList aPoints;
+    startCurveModification( aPoints, false );
     myCurve->undo();
+    finishCurveModification();
     mySectionView->reset();
     updateUndoRedo();
 }
@@ -741,7 +745,10 @@ void CurveCreator_Widget::onRedo()
 {
     if( !myCurve )
       return;
+    CurveCreator_Widget::SectionToPointList aPoints;
+    startCurveModification( aPoints, false );
     myCurve->redo();
+    finishCurveModification();
     mySectionView->reset();
     updateUndoRedo();
 }
@@ -1134,6 +1141,7 @@ void CurveCreator_Widget::updateLocalPointView()
   bool isBlocked = myLocalPointView->blockSignals(true);
   gp_Pnt aPnt;
   myLocalPointView->setRowCount( 0 );
+  int anInitialCount = myLocalPointView->rowCount();
   for ( aContext->InitSelected(); aContext->MoreSelected(); aContext->NextSelected() ) {
     TopoDS_Vertex aVertex;
     TopoDS_Shape aShape = aContext->SelectedShape();
@@ -1168,6 +1176,9 @@ void CurveCreator_Widget::updateLocalPointView()
       addLocalPointToTable( aPnt.X(), aPnt.Y() );
     }
   }
+  int aFinalCount = myLocalPointView->rowCount();
+  if ( anInitialCount == aFinalCount )
+    int aValue = 9;
   myLocalPointView->blockSignals(isBlocked);
 }
 
@@ -1384,8 +1395,8 @@ void CurveCreator_Widget::startCurveModification(
 void CurveCreator_Widget::finishCurveModification(
                            const CurveCreator_Widget::SectionToPointList& thePoints )
 {
-  setLocalPointContext( true );
-  int aSectionId = 0;
+  if ( getActionMode() == ModificationMode )
+    setLocalPointContext( true );
   setSelectedPonts( thePoints );
 }
 
diff --git a/src/HYDROCurveCreator/CurveCreator_Widget.h b/src/HYDROCurveCreator/CurveCreator_Widget.h
index 2ca9f1d6..d0559c50 100644
--- a/src/HYDROCurveCreator/CurveCreator_Widget.h
+++ b/src/HYDROCurveCreator/CurveCreator_Widget.h
@@ -157,7 +157,7 @@ private:
 
   void startCurveModification( SectionToPointList& thePoints,
                                const bool theFillPoints = true );
-  void finishCurveModification( const SectionToPointList& thePoints );
+  void finishCurveModification( const SectionToPointList& thePoints = SectionToPointList() );
 
   // curve algorithm
   int  findLocalPointIndex( int theSectionId, float theX, float theY );
-- 
2.39.2