From 9518d50a9b5dd14c20ffa04ee8dbf9995f96ee2c Mon Sep 17 00:00:00 2001
From: spo <sergey.pokhodenko@opencascade.com>
Date: Mon, 7 Sep 2015 17:18:10 +0300
Subject: [PATCH] Issue #901 - It is possible to define empty name for
 parameter

---
 src/ParametersPlugin/ParametersPlugin_EvalListener.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/ParametersPlugin/ParametersPlugin_EvalListener.cpp b/src/ParametersPlugin/ParametersPlugin_EvalListener.cpp
index 8e826aa16..03b4b1199 100644
--- a/src/ParametersPlugin/ParametersPlugin_EvalListener.cpp
+++ b/src/ParametersPlugin/ParametersPlugin_EvalListener.cpp
@@ -288,7 +288,9 @@ void ParametersPlugin_EvalListener::processObjectRenamedEvent(
   std::shared_ptr<ModelAPI_ObjectRenamedMessage> aMessage =
       std::dynamic_pointer_cast<ModelAPI_ObjectRenamedMessage>(theMessage);
 
-  if (!aMessage.get() || aMessage->oldName().empty() || aMessage->newName().empty())
+  // Empty new name is not available too but it will be rejected by
+  // name validator in isValidAttribute.
+  if (!aMessage.get() || aMessage->oldName().empty())
     return;
 
   // check if the renamed object is a result parameter
-- 
2.39.2