From e5bd3ecec66815f2b41b36f923e6f10f8fe7f53d Mon Sep 17 00:00:00 2001
From: Ilya Sinitsyn <isinitsyn@tt-solutions.com>
Date: Thu, 17 Mar 2022 00:04:55 +0700
Subject: [PATCH] Handle item adding to DVC to a non-container node

---
 src/generic/datavgen.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/generic/datavgen.cpp b/src/generic/datavgen.cpp
index 0fc8e6514b..200788cd61 100644
--- a/src/generic/datavgen.cpp
+++ b/src/generic/datavgen.cpp
@@ -3094,6 +3094,14 @@ bool wxDataViewMainWindow::ItemAdded(const wxDataViewItem & parent, const wxData
         if ( !parentNode )
             return false;
 
+        // If the parent has not children then just mask it as container and return.
+        // Nodes will be initialized in Expand().
+        if ( !parentNode->HasChildren() )
+        {
+            parentNode->SetHasChildren(true);
+            return true;
+        }
+
         // If the parent has children but child nodes was not initialized then
         // the node is collapsed so just return as nodes will be initialized in
         // Expand().