How can I change the menubar depeneding on the panel selected?

Question

Hi,
I am having the[b] AppMain.java extends JFrame and the Navigator extends AppMain.
There is a perspective.java interface which has a getMenu() method as follows
public JMenubar getMenu()
There are 2 panels which are being interchenged depending on the button selected in the navigator.
THey are the Admin and the Config which implements Perspective extends JPanel
and they also have the method for getmenu()as follows.
public JMenuBar getMenu()
return Navigator.getInstance().getJMenuBar();
in the Navigator I have the code for the setJMenuBar as follows
String xmlFile = "/metadata/guidef.xml";
//Parse the xml file that represents the gui menus, toolbars, actions, icons
try
ErrorFactory.getInstance().parse();
GuiFactory.getInstance().setInputSource(xmlFile);
GuiFactory.getInstance().parse();
this.setIconImage(IconFactory.getInstance().getIcon("appicon").getImage());
this.setJMenuBar(createMenuBar());
catch (Exception e)
e.printStackTrace();
But what I need to do is I need to change the menubar depending on panel selected ?
Thanks in advance.

Answer 1

public class MQENavigator extends ApplicationMain {
/** Main Content panel for the application Frame */
public JPanel mainContentJPanel_;
     public JPanel mainViewPanel = null;
     JPanel perspectiveButtonBar = new JPanel();
public JPanel perspectiveViewPanel = new JPanel();
public JPanel configViewPanel = new JPanel();
public JPanel commandStatPanel = new JPanel();
private Hashtable panelsHash = null;
static private final String mqenterpriseKey = "application.title";
static private final String guidefKey = "ldmkxml.guidef.text";
     static private final String initmqKey = "ldmkxml.mqelayout.text";
     static private final String toolbarKey = "ldmkxml.create.toolbars.text";
     static private final String statusKey = "ldmkxml.create.statusbars.text";
     static private final String mainappKey = "ldmkxml.create.mainapp.view.text";
     static private final String launchKey = "ldmkxml.launch.mqenterprise.text";
     static private final String imgfnfKey = "ldmkxml.imgfile.notfound.text";
     //ints to keep track of heights of various components
int iHeight_;
//Splash window for updating status
SplashWindow _splash = null;
* Constructor for the main application frame
public MQENavigator()
super();
try
initComponent();
initGUI();
soleInstance_ = this;
catch(Exception e)
e.printStackTrace();
* This will initialize the component defaults
* @param None
* @return None
* @exception <{Exception}>
protected void initComponent() throws Exception
setAppKeyName("mqe");
setIniFile("mqe");
Locale.setDefault(SupportedLanguages.getLocale(
Integer.parseInt(getIniFile().getProperty("selected.language", "0"))));
          String key = StringFactory.getString(mqenterpriseKey);
setAppName(key);
Log.init();
Log.log(Log.NOTICE, this, Utilities.getResource("/metadata/version.info").trim());
super.initComponent() ;
          String hs = getIniFile().getProperty("helpset.name");
          GuiResource.initializeHelp(hs);
* This will initialize this components GUI
* @param None
* @return None
* @exception Exception
private void initGUI() throws Exception
          String guidefkey = StringFactory.getString(guidefKey);
          String initmqkey = StringFactory.getString(initmqKey);
          String toolkey = StringFactory.getString(toolbarKey);
          String statuskey = StringFactory.getString(statusKey);
          String mainappkey = StringFactory.getString(mainappKey);
          String launchkey = StringFactory.getString(launchKey);
// Start the splash screen
_splash = displaySplashScreen(createSplashPanel());
// Create the Menu Bar
_splash.incrementProgressTo(10, guidefkey);
String xmlFile = "/metadata/guidef.xml";
createJMenuBar(xmlFile);
/**String configxmlFile = "/metadata/configguidef.xml";
//Parse the xml file that represents the gui menus, toolbars, actions, icons
try
ErrorFactory.getInstance().parse();
GuiFactory.getInstance().setInputSource(xmlFile);
GuiFactory.getInstance().parse();
this.setIconImage(IconFactory.getInstance().getIcon("appicon").getImage());
this.setJMenuBar(createMenuBar());
catch (Exception e)
e.printStackTrace();
// Set the main content panel for all the GUI components
_splash.incrementProgressTo(15, initmqkey);
mainContentJPanel_ = (JPanel) this.getContentPane();
mainContentJPanel_.setLayout(new BorderLayout());
mainContentJPanel_.setSize(new Dimension (800,600));
//Lets create the panels that we need
//Keep track of the height of the toolbar and status so we now the max
//real estate we can use for the actual "guts" display of the application
//ToolBar
_splash.incrementProgressTo(20, toolkey);
//Status Bar
_splash.incrementProgressTo(30, statuskey);
JPanel statusBarPanel = createStatusBar();
iHeight_ += statusBarPanel.getHeight();
/**commandStatPanel = new JPanel();
     commandStatPanel.setLayout(new BoxLayout(commandStatPanel, BoxLayout.Y_AXIS));
          CommandStatsPanel commands = new CommandStatsPanel();
          ApplicationMain.getInstance().setCommandPanel(commands);
String shouldOpen = MQEPreferencesDialog.getPreferenceValue("enable.trace.commands");
          if (shouldOpen != null)
               Boolean traceOn = new Boolean (shouldOpen);
               if (traceOn.booleanValue())
                    AbstractAction action = LandMarkMQActions.getInstance().getActionForName("viewcommand");
                    action.actionPerformed(new ActionEvent(this, ActionEvent.ACTION_PERFORMED, "enabled"));
                    //splitPane.setBottomComponent(commands);
                    commandStatPanel.add(commands);
          commandStatPanel.add(statusBarPanel);*/
//MainView
_splash.incrementProgressTo(40, mainappkey);
mainViewPanel = new AdminPerspectivePanel();
          perspectiveViewPanel.setLayout(new BorderLayout());
          perspectiveViewPanel.add(mainViewPanel,BorderLayout.CENTER);
          perspectiveButtonBar.setLayout(new BoxLayout(perspectiveButtonBar, BoxLayout.Y_AXIS));
          perspectiveButtonBar.setBorder(BorderFactory.createRaisedBevelBorder());
          JButton adminPerspectiveButton = ComponentFactory.getInstance().createImageButton(IconFactory.getInstance().getIcon("navigator"));
          JButton configPerspectiveButton = ComponentFactory.getInstance().createImageButton(IconFactory.getInstance().getIcon("addicon"));
          JButton monitoringPerspectiveButton = ComponentFactory.getInstance().createImageButton(IconFactory.getInstance().getIcon("staricon"));
          configViewPanel = new ConfigPerspectivePanel();
          perspectiveButtonBar.add(adminPerspectiveButton);
          adminPerspectiveButton.addActionListener(new ActionListener()
               public void actionPerformed (ActionEvent ae)
                    setPerspectivePane(mainViewPanel);
          perspectiveButtonBar.add(configPerspectiveButton);
          configPerspectiveButton.addActionListener(new ActionListener()
               public void actionPerformed (ActionEvent ae)
                    setPerspectivePane(configViewPanel);
          // Done adding perspectiveButtonBar, perspectiveViewPanel and statusBarPanel to content pane
          mainContentJPanel_.add(perspectiveViewPanel, BorderLayout.CENTER);
mainContentJPanel_.add(perspectiveButtonBar, BorderLayout.WEST);
//mainContentJPanel_.add(commandStatPanel, BorderLayout.SOUTH);
mainContentJPanel_.add(statusBarPanel, BorderLayout.SOUTH);
//Launch the application
_splash.incrementProgressTo(100, launchkey);
launch(getAppName(), false) ;
//To get around a swing bug set the locations of the splitpanes here
setSplitDividers();
validate();
//This seems to fix the problem of the details panel split going to the correct location
setSplitDividers();
_splash.closeSplashWindow();
setVisible(true);
public void setPerspectivePane(JPanel panel)
          perspectiveViewPanel.removeAll();
          perspectiveViewPanel.add(panel);
          perspectiveViewPanel.revalidate();
          perspectiveViewPanel.repaint();
public void setSplitDividers()
double dividerLoc = .40;
//The main split pane you want a 90 /10 split
ApplicationMain.getInstance().getTreeDetailSplit().setDividerLocation(dividerLoc);
ApplicationMain.getInstance().getTreeDetailSplit().setResizeWeight (dividerLoc);
dividerLoc = .80;
ApplicationMain.getInstance().getTreeCommandSplit().setResizeWeight (dividerLoc);
ApplicationMain.getInstance().getTreeCommandSplit().setDividerLocation(dividerLoc);
dividerLoc = .50;
ApplicationMain.getInstance().getDetailEventSplit().setResizeWeight (dividerLoc);
ApplicationMain.getInstance().getDetailEventSplit().setDividerLocation(dividerLoc);
((DetailPanel)ApplicationMain.getInstance().getDetailsPanel()).resetTableColumns();
((EventPanel)ApplicationMain.getInstance().getEventPanel()).resetTableColumns();
//((CommandStatsPanel)ApplicationMain.getInstance().getCommandPanel()).resetTableColumns();
public void createJMenuBar(String xmlFile)
          //Parse the xml file that represents the gui menus, toolbars, actions, icons
          try
               ErrorFactory.getInstance().parse();
               GuiFactory.getInstance().setInputSource(xmlFile);
               GuiFactory.getInstance().parse();
               this.setIconImage(IconFactory.getInstance().getIcon("appicon").getImage());
               this.setJMenuBar(createMenuBar());
               validate();
               repaint();
          catch (Exception e)
               e.printStackTrace();
private JPanel createSplashPanel()
String imagekey = StringFactory.getString(imgfnfKey);
JPanel splashPanel = new JPanel(new BorderLayout());
splashPanel.setBackground(Color.white);
JLabel l = null;
ImageIcon img = Utilities.getImage("/images/MQENavigator.jpg");
if (img != null)
l = new JLabel(img);
else
l = new JLabel(imagekey);
l.setBackground(Color.white);
l.setBorder(BorderFactory.createCompoundBorder());
splashPanel.add(l, BorderLayout.CENTER);
splashPanel.setPreferredSize(new Dimension ((int) l.getPreferredSize().getWidth(),
(int) l.getPreferredSize().getHeight()));
return splashPanel;
static public void main (String[] args) throws Exception
MQENavigator landMarkApp = new MQENavigator();
Here in the code there is a setPerspectivePane() when the button are created and the admin and config are two different panels I meant to say.