From cb41a0ae85d83471993453143302f02d4b8ba402 Mon Sep 17 00:00:00 2001
From: SiboVG <sibo.vangool@hotmail.com>
Date: Fri, 18 Aug 2023 04:16:40 +0200
Subject: [PATCH] Disable OBJ export item if no components selected

---
 swing/src/net/sf/openrocket/gui/main/BasicFrame.java | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/swing/src/net/sf/openrocket/gui/main/BasicFrame.java b/swing/src/net/sf/openrocket/gui/main/BasicFrame.java
index 057d07d5c..fb60df716 100644
--- a/swing/src/net/sf/openrocket/gui/main/BasicFrame.java
+++ b/swing/src/net/sf/openrocket/gui/main/BasicFrame.java
@@ -448,6 +448,12 @@ public class BasicFrame extends JFrame {
 			public void actionPerformed(ActionEvent e) {
 				exportWavefrontOBJAction();}
 		});
+		selectionModel.addDocumentSelectionListener(new DocumentSelectionListener() {
+			@Override
+			public void valueChanged(int changeType) {
+				exportOBJ.setEnabled(getSelectedComponents() != null && !getSelectedComponents().isEmpty());
+			}
+		});
 		exportSubMenu.add(exportOBJ);
 
 		fileMenu.add(exportSubMenu);