From 135d15efcc2d35b913112e28efa3660104825100 Mon Sep 17 00:00:00 2001
From: Artem Zhidkov <Artem.Zhidkov@opencascade.com>
Date: Fri, 3 Apr 2020 17:26:29 +0300
Subject: [PATCH] Issue #18944: Cannot delete Part

Make PartSet active document when removing a Part.
---
 src/PartSetPlugin/PartSetPlugin_Remove.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/PartSetPlugin/PartSetPlugin_Remove.cpp b/src/PartSetPlugin/PartSetPlugin_Remove.cpp
index dee53bf56..a17bfee5e 100644
--- a/src/PartSetPlugin/PartSetPlugin_Remove.cpp
+++ b/src/PartSetPlugin/PartSetPlugin_Remove.cpp
@@ -46,6 +46,8 @@ void PartSetPlugin_Remove::execute()
       std::set<std::shared_ptr<ModelAPI_Feature> > aRefFeatures;
       aRoot->refsToFeature(aFeature, aRefFeatures);
       if (aRefFeatures.empty()) {
+        // before removing the part make the partSet active document
+        aPManager->setActiveDocument(aRoot);
         aRoot->removeFeature(aFeature);
         // the redisplay signal should be flushed in order to erase the feature presentation
         // in the viewer after removeFeature from the document
-- 
2.39.2