ui: Prevent print dialog from stopping to work when switching the viewer

Closes #19.
kieler · Jul 28, 2021 · a029454 · a029454
1 parent b0fff72
commit a029454
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/plugins/de.cau.cs.kieler.klighd.ui/src/de/cau/cs/kieler/klighd/ui/printing/PrintAction.java b/plugins/de.cau.cs.kieler.klighd.ui/src/de/cau/cs/kieler/klighd/ui/printing/PrintAction.java
@@ -96,7 +96,7 @@ public void setViewer(final IViewer viewer) {
      * @return the viewer to print
      */
     private PiccoloViewer getViewer() {
-        if (pViewer != null) {
+        if (pViewer != null && !pViewer.getControl().isDisposed()) {
             return pViewer;
         }