JAL-854 tweaked menu layout so services appear before the fetch DB refs submenu

[jalview.git] / src / jalview / gui / JvSwingUtils.java

diff --git a/src/jalview/gui/JvSwingUtils.java b/src/jalview/gui/JvSwingUtils.java
index 2650eae..b921a81 100644 (file)
--- a/src/jalview/gui/JvSwingUtils.java
+++ b/src/jalview/gui/JvSwingUtils.java
@@ -26,6 +26,7 @@ import javax.swing.JButton;
 import javax.swing.JComponent;
 import javax.swing.JLabel;
 import javax.swing.JMenu;
+import javax.swing.JMenuItem;
 import javax.swing.JPanel;
 import javax.swing.JTextArea;
 import javax.swing.SwingConstants;
@@ -171,4 +172,23 @@ public final class JvSwingUtils
     return getLabelFont(false,false);
   }
 
+  /**
+   * clean up a swing menu. 
+   * Removes any empty submenus without selection listeners.
+   * @param webService
+   */
+  public static void cleanMenu(JMenu webService)
+  {
+    for (int i=0;i<webService.getItemCount(); )
+    {
+      JMenuItem item = webService.getItem(i);
+      if (item instanceof JMenu && ((JMenu)item).getItemCount()==0)
+      {
+        webService.remove(i);
+      } else {
+        i++;
+      }
+    }
+  }
+
 }