1 files changed, 101 insertions, 0 deletions
diff --git a/BKUCommonGUI/src/main/java/at/gv/egiz/bku/gui/ViewerHelpListener.java b/BKUCommonGUI/src/main/java/at/gv/egiz/bku/gui/ViewerHelpListener.java
new file mode 100644
index 00000000..4860756d
--- /dev/null
+++ b/BKUCommonGUI/src/main/java/at/gv/egiz/bku/gui/ViewerHelpListener.java
@@ -0,0 +1,101 @@
+/*
+ * Copyright 2008 Federal Chancellery Austria and
+ * Graz University of Technology
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package at.gv.egiz.bku.gui;
+
+import java.applet.AppletContext;
+import java.awt.event.KeyEvent;
+import java.awt.event.MouseEvent;
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.util.Locale;
+import javax.swing.SwingUtilities;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class ViewerHelpListener extends HelpListener {
+  
+  private final Logger log = LoggerFactory.getLogger(ViewerHelpListener.class);
+
+  protected AppletContext appletCtx;
+
+  public ViewerHelpListener(String helpURL, Locale locale) {
+    super(helpURL, locale);
+  }
+
+  public ViewerHelpListener(AppletContext ctx, String helpURL, Locale locale) {
+    super(helpURL, locale);
+    this.appletCtx = ctx;
+  }
+
+  protected void displayHelpViewer(final String helpURL) {
+    log.debug("Schedule help viewer.");
+
+    SwingUtilities.invokeLater(new Runnable() {
+
+      @Override
+      public void run() {
+
+        log.debug("Show help viewer for {}.", helpURL);
+        try {
+          HelpViewer.showHelpDialog(appletCtx, new URL(helpURL), messageBundle);
+        } catch (MalformedURLException ex) {
+          log.error("Failed to construct help context URL.", ex);
+        }
+      }
+    });
+  }
+
+  @Override
+  public boolean implementsListener() {
+    return true;
+  }
+
+  @Override
+  public void mouseClicked(MouseEvent arg0) {
+    displayHelpViewer(getHelpURL());
+  }
+
+  @Override
+  public void keyPressed(KeyEvent arg0) {
+    displayHelpViewer(getHelpURL());
+  }
+
+  @Override
+  public void mousePressed(MouseEvent e) {
+  }
+
+  @Override
+  public void mouseReleased(MouseEvent e) {
+  }
+
+  @Override
+  public void mouseEntered(MouseEvent e) {
+  }
+
+  @Override
+  public void mouseExited(MouseEvent e) {
+  }
+
+  @Override
+  public void keyTyped(KeyEvent e) {
+  }
+
+  @Override
+  public void keyReleased(KeyEvent e) {
+  }
+}