From 0af3fa5eaba47f1bac527a62fe1acb2c8f3edb05 Mon Sep 17 00:00:00 2001
From: spo <sergey.pokhodenko@opencascade.com>
Date: Fri, 10 Jul 2015 09:42:38 +0300
Subject: [PATCH] Issue #588 - Renaming a parameter used in an expression

---
 src/ParametersPlugin/ParametersPlugin_EvalListener.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/ParametersPlugin/ParametersPlugin_EvalListener.cpp b/src/ParametersPlugin/ParametersPlugin_EvalListener.cpp
index 3e53238b8..e381b6f00 100644
--- a/src/ParametersPlugin/ParametersPlugin_EvalListener.cpp
+++ b/src/ParametersPlugin/ParametersPlugin_EvalListener.cpp
@@ -202,7 +202,11 @@ void ParametersPlugin_EvalListener::renameInParameter(
   anExpressionString = renameInPythonExpression(anExpressionString,
                                                 theOldName,
                                                 theNewName);
+  // Issue #588. No need for reevaluating expression. 
+  // Moreover, current history may not contain necessary parameters.
+  anExpressionAttribute->owner()->data()->blockSendAttributeUpdated(true);
   anExpressionAttribute->setValue(anExpressionString);
+  anExpressionAttribute->owner()->data()->blockSendAttributeUpdated(false);
 }
 
 void ParametersPlugin_EvalListener::renameInAttribute(
-- 
2.39.2