From 4a4457c2aab81e60bad7e986ab58522b137db7e2 Mon Sep 17 00:00:00 2001
From: dbv <dbv@opencascade.com>
Date: Tue, 31 May 2016 12:54:27 +0300
Subject: [PATCH] Fixed "Sub-Shapes" and "Remove Sub-Shapes" on pre-selection.

---
 src/ModuleBase/ModuleBase_OperationFeature.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/ModuleBase/ModuleBase_OperationFeature.cpp b/src/ModuleBase/ModuleBase_OperationFeature.cpp
index e2f2dd680..8194f09bb 100755
--- a/src/ModuleBase/ModuleBase_OperationFeature.cpp
+++ b/src/ModuleBase/ModuleBase_OperationFeature.cpp
@@ -371,7 +371,7 @@ ModuleBase_ModelWidget* ModuleBase_OperationFeature::activateByPreselection(
           if (!aWgt->canAcceptFocus())
             continue;
           aPropertyPanel->setPreselectionWidget(aWgt);
-          if (!aWgt->setSelection(myPreSelection, true)) {
+          if (myPreSelection.empty() || !aWgt->setSelection(myPreSelection, true)) {
             isSet = false;
             break;
           } else {
-- 
2.39.2