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JTextField in JFrame uneditable when using JCEF in JInternalFrame until JFrame loses focus

I have started implementing JCEF in a project of mine, and I am initializing the embedded browser in a JInternalFrame inside of a JFrame, alongside a series of form fields on a JPanel next to the JInternalFrame. The browser component doesn't fully initialize until the JFrame actually becomes visible, and I'm finding that my JTextFields are uneditable unless the JFrame loses and regains focus.
Any idea of what could be happening and how to fix it? This only happens when using a JInternalFrame with the JCEF component...
It also happens every time I call loadURL to load a new page in the browser: the JTextFields become uneditable again, until I lose/gain focus in the JFrame.
UPDATE:
I have found a hack which allows the JTextFields to become editable again, but I wouldn't call it a solution because it is not very elegant. I added a load handler to the CefClient instance ( client.addLoadHandler(new CefLoadHandlerAdapter()) ) with an #Ovveride on the onLoadingStateChange method, which in turn gives access to the current browser component. From there I can detect when loading in the browser is complete, and use SwingUtilities to get the Window that the browser component is in. Then I setVisible(false) and setVisible(true) on that Window. I say it's not a solution because every time the browser is done loading the Window disappears and reappears. Even though the JTextFields are editable again, it is quite ugly to see the window flashing. I've tried all kinds of revalidate() and repaint() methods to no avail, unless I didn't call them right...
client.addLoadHandler(new CefLoadHandlerAdapter() {
#Override
public void onLoadingStateChange(CefBrowser browser, boolean isLoading,
boolean canGoBack, boolean canGoForward) {
if (!isLoading) {
//browser_ready = true;
System.out.println("Browser has finished loading!");
SwingUtilities.windowForComponent( browser.getUIComponent() ).setVisible(false);
SwingUtilities.windowForComponent( browser.getUIComponent() ).setVisible(true);
}
}
});
If anyone can suggest a better solution, please do!

I figured out the problem by studying the sample JCEF application a little better. I need to implement a FocusHandler in order to release the embedded browser's hold on keyboard input:
private boolean browserFocus_ = true;
---
jTextField1.addFocusListener(new FocusAdapter() {
#Override
public void focusGained(FocusEvent e) {
if (!browserFocus_) return;
browserFocus_ = false;
KeyboardFocusManager.getCurrentKeyboardFocusManager().clearGlobalFocusOwner();
jTextField1.requestFocus();
}
});

Why doesn't the value passed to a method of a different class reflect in Java (using NetBeans 7.01)?

Before I start, Hi. This is is my first question here. I am not good with Java so have been trying and improve that and here it goes.
I am trying to create an email client and server application using sockets in Java. However I have been running into a problem. I have created a jFrame which is basically the Welcome window. The code is too huge to post so I'll post the relevant portions. There is a preferences jDialog. When the OK button on the dialog, an action handler comes in to play. The code:
private void okActionPerformed(java.awt.event.ActionEvent evt) {
Welcome wel = new Welcome();
wel.setStatusBar("Pressed OK");
dispose();
}
Obviously, the setStatusBar() sets the text of the statusLabel. The code for setStatusBar():
public void setStatusBar(String s)
{
statusLabel.setText(s);
}
Also, the preferences dialog is opened through menu item with this code:
private void jMenuItem2ActionPerformed(java.awt.event.ActionEvent evt) {
settings pref=new settings(null,true);
pref.show();
}
The problem is if I set the status label from any other class, for instance settings class, it does not reflect but if I do so from the Welcome class ( the class where the statusLabel is present), it works fine. This problem is not only limited to this setStatus() but virtually pops up whenever I try to use a method of a different class.
If you guys need more of the code, I could post it. I would be grateful if could help a Java beginner out.
Thanks.

private void okActionPerformed(java.awt.event.ActionEvent evt) {
Welcome wel = new Welcome();
wel.setStatusBar("Pressed OK");
dispose();
}
You're creating a new (hence the keyword new) object of type Welcome. This new object is different from the already existing object of type Welcome, that you have created earlier. It thus has its own label, and you're setting the text of this different label, which is not displayed anywhere in the screen.
Java objects work like regular object. Let's say you would like a cool logo on one of your blue t-shirts. You go to a T-shirt vendor and ask him to print a cool logo. The vendor doesn't have your blue t-shirt. If the vendor gets another red t-shirt from his shop and prints the logo on this red t-shirt, your blue t-shirt will still have no logo at all.
For the vendor to be able to print a logo on your blue t-shirt, you need to give him this blue t-shirt. Same in Java: you need to pass the existing Welcome object to the preferences dialog, and the actionPerformed method must set the label on this Welcome object. Not on a new Welcome object.

How can I detect that a menu is open in JavaFX?

I'm writing a JavaFX app and have a menubar with partial transparency. When the user mouses over the menubar, it becomes fully opaque. I'd also like it to be opaque when the user has opened one of the menus. Is this possible somehow? I'm using JavaFX 2 if it matters.
Thanks.

try this..!!
menu.setOnShowing(new EventHandler<Event>() {
#Override
public void handle(Event t)
menubar.setStyle("-fx-background-color:transparent"); //
// or you can use set opacity property
menubar.setOpacity(0.25);
}
});
this event occurs when you show you menu...there also menu hidden propety..you can also use it.

How to check if the tab selected is changed in java

As far as i have seen the event:
(1) private void jTabbedPane1StateChanged(javax.swing.event.ChangeEvent evt) {}
Checks whether a new tab is added or an exiting tab is deleted or not.
On googling , i found this code:
(2) ChangeListener changeListener = new ChangeListener() {
public void stateChanged(ChangeEvent changeEvent) {
// my code
}
};
jTabbedPane1.addChangeListener(changeListener);
I guess since it uses stateChanged event , it should do what the same a my first code.
By t way even after using both the codes i could not get the required resuts(ie An event that could be invoked when user changes the tab).
Can anyone suggest me a good event [i am using netbeans GUI environment] for effective action. (I dont want any mouseEvents)
Edit:
I want the following code to be excecuted if the tab changes:
String send3=( jTabbedPane1.getSelectedComponent().getComponentAt(0,0)).getName();
The above code dynamically gets the name of jTextarea (in the current tab) which is created dynamically in the jTabbedPanel.

I just checked my own source code where addChangeListener() works fine. The event is fired whenever the tab is changed by the user or programatically. In stateChanged() itself, the now selected tab is determined by
JTabbedPane p = (JTabbedPane)e.getSource();
int idx = p.getSelectedIndex();

Menu item accel key works only after menu item has been shown

I'm developing a SWT/JFace application using the libraries from Eclipse 3.4.1.
I encounter the following problem on Windows (Vista 32bit) and Ubuntu 8.10 32bit:
I create a menu bar in the createMenuManager method of the JFace ApplicationWindow. I add MenuManagers for file, edit and help.
I then add an ExitAction to the file MenuManager like so:
filemenu.add(new ExitAction(this));
The ExitAction is defined this way:
public class ExitAction extends Action {
final ApplicationWindow window;
public ExitAction(ApplicationWindow w) {
this.window = w;
setText("E&xit");
setToolTipText("Exit the application");
setAccelerator(SWT.MOD1 + 'Q');
}
}
Now when my application starts I want be able to press "CTRL+Q" to quit the application. This does however not work. Only AFTER I click on "File" in the menu bar and THEN clicking "CTRL+Q" the application will quit.
I've tried this with different accelerators- same behavior.
It does work however if I create a "MenuItem" instead of an "Action" to contribute to the menu bar.
Is this a SWT bug or do I miss something?
Torsten.

Update: There is a duplicate bug of mine which also contains a workaround.
The bug url is: https://bugs.eclipse.org/bugs/show_bug.cgi?id=243758
Basically the workaround is to call create() on the ApplicationWindow and then getMenuBarManager().updateAll(true); which will force all menu items to get initialized.
Of course you have to call the above methods after you created the menu items.

AFAIK setAccelerator(.) does nothing else than adding the appropriate text to your MenuItem. You are responsible to register for an KeyUp event and react on it.
You can use Display.addFilter(SWT.KeyUp, myListener) to register your Listener independently of your widgets.

Turns out that this is a bug in Eclipse 3.4.
I have submitted a bug report: https://bugs.eclipse.org/bugs/show_bug.cgi?id=253078