From 6c9e2ba7a5d4e34759234855ee5ecff6e339d631 Mon Sep 17 00:00:00 2001
From: vsv <vsv@opencascade.com>
Date: Thu, 22 Aug 2019 15:57:26 +0300
Subject: [PATCH] Issue #2961: Show selection of planes for sketcher on plane
 change

---
 src/PartSet/PartSet_WidgetSketchLabel.cpp | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/src/PartSet/PartSet_WidgetSketchLabel.cpp b/src/PartSet/PartSet_WidgetSketchLabel.cpp
index 231c512fa..221207f9d 100644
--- a/src/PartSet/PartSet_WidgetSketchLabel.cpp
+++ b/src/PartSet/PartSet_WidgetSketchLabel.cpp
@@ -539,6 +539,12 @@ void PartSet_WidgetSketchLabel::deactivate()
 
   if (aHidePreview)
     myWorkshop->viewer()->update();
+
+  if (myOpenTransaction) {
+    SessionPtr aMgr = ModelAPI_Session::get();
+    aMgr->finishOperation();
+    myOpenTransaction = false;
+  }
 }
 
 void PartSet_WidgetSketchLabel::selectionModes(int& theModuleSelectionModes, QIntList& theModes)
@@ -680,6 +686,13 @@ void PartSet_WidgetSketchLabel::onChangePlane()
     myRemoveExternal->setVisible(true);
     myStackWidget->setCurrentIndex(0);
 
+    bool aBodyIsVisualized = myPreviewPlanes->hasVisualizedBodies(myWorkshop);
+
+    if (!aBodyIsVisualized) {
+      // We have to select a plane before any operation
+      myPreviewPlanes->showPreviewPlanes(myWorkshop);
+    }
+
     CompositeFeaturePtr aSketch = std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(myFeature);
     PartSet_Tools::nullifySketchPlane(aSketch);
 
-- 
2.30.2