From 0b15965e2fe7ee3c2ac01ab05f91745aa9366621 Mon Sep 17 00:00:00 2001
From: Niklas Rentz <47597619+NiklasRentzCAU@users.noreply.github.com>
Date: Mon, 16 Aug 2021 09:14:19 +0200
Subject: [PATCH] klighd: fixed NPE for labels with only a KText and no direct
 label text (#94)

---
 .../internal/macrolayout/KlighdDiagramLayoutConnector.java      | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/plugins/de.cau.cs.kieler.klighd/src/de/cau/cs/kieler/klighd/internal/macrolayout/KlighdDiagramLayoutConnector.java b/plugins/de.cau.cs.kieler.klighd/src/de/cau/cs/kieler/klighd/internal/macrolayout/KlighdDiagramLayoutConnector.java
index 52ddf49de..3c88e0a69 100644
--- a/plugins/de.cau.cs.kieler.klighd/src/de/cau/cs/kieler/klighd/internal/macrolayout/KlighdDiagramLayoutConnector.java
+++ b/plugins/de.cau.cs.kieler.klighd/src/de/cau/cs/kieler/klighd/internal/macrolayout/KlighdDiagramLayoutConnector.java
@@ -743,7 +743,7 @@ public Boolean caseElkLabel(final ElkLabel layoutLabel) {
                         layoutLabel.getText());
                 String origLabelText = label.getText();
                 
-                if (origLabelText.equals(layoutLabel.getText())) {
+                if (origLabelText != null && origLabelText.equals(layoutLabel.getText())) {
                     label.setProperty(KlighdProperties.TOOLTIP, null);
                 } else {
                     label.setProperty(KlighdProperties.TOOLTIP, origLabelText);