1 files changed, 12 insertions, 4 deletions
diff --git a/BKULocal/src/main/java/at/gv/egiz/bku/local/gui/LocalHelpListener.java b/BKULocal/src/main/java/at/gv/egiz/bku/local/gui/LocalHelpListener.java
index d551ae0d..c957e132 100644
--- a/BKULocal/src/main/java/at/gv/egiz/bku/local/gui/LocalHelpListener.java
+++ b/BKULocal/src/main/java/at/gv/egiz/bku/local/gui/LocalHelpListener.java
@@ -17,6 +17,7 @@
 package at.gv.egiz.bku.local.gui;
 
 import at.gv.egiz.bku.gui.AbstractHelpListener;
+import at.gv.egiz.bku.gui.DefaultHelpListener;
 import java.awt.Desktop;
 import java.io.IOException;
 import java.net.URISyntaxException;
@@ -24,30 +25,37 @@ import java.net.URL;
 import java.util.Locale;
 
 /**
- *
+ * Open help document in browser, fallback to default (swing dialog) if Java Desktop API not supported.
+ * 
  * @author Clemens Orthacker <clemens.orthacker@iaik.tugraz.at>
  */
 public class LocalHelpListener extends AbstractHelpListener {
 
   protected Desktop desktop;
+  protected DefaultHelpListener fallback;
 
   public LocalHelpListener(URL baseURL, Locale locale) {
     super(baseURL, locale);
     if (Desktop.isDesktopSupported()) {
       desktop = Desktop.getDesktop();
+    } else {
+      log.info("Java Desktop API not available on current platform (libgnome installed?), falling back to DefaultHelpListener");
+      fallback = new DefaultHelpListener(baseURL, locale);
     }
   }
 
   @Override
   public void showDocument(URL helpDocument, String helpTopic) throws IOException, URISyntaxException {
-    if (desktop == null) {
-      log.error("Failed to open default browser: Desktop API not available (libgnome installed?)");
-    } else {
+    if (desktop != null) {
       if (!desktop.isSupported(Desktop.Action.BROWSE)) {
         log.error("Failed to open default browser: The system provides the Desktop API, but does not support the BROWSE action");
       } else {
         Desktop.getDesktop().browse(helpDocument.toURI());
       }
+    } else if (fallback != null) {
+      fallback.showDocument(helpDocument, helpTopic);
+    } else {
+      log.error("failed to display help document");
     }
   }
 }