Solved

Focus Traversing with user action "ENTER"

Posted on 2009-04-15
3
383 Views
Last Modified: 2012-05-06
Hi,

I am trying to find a way to allow users keying in fields by traversing via TAB key or ENTER key from keyboard. TAB working fine from fields to fields but users need to have ENTER for traversing as well. I found a good reference here in EE but some of the methods have deprecated.

I found these from other resources, but it claims to be 'unchecked or unsafe  operations'.
<code>
Set set = new HashSet(
        KeyboardFocusManager.getCurrentKeyboardFocusManager().getDefaultFocusTraversalKeys(
            KeyboardFocusManager.FORWARD_TRAVERSAL_KEYS));
    set.clear();   // Call clear() if you want to eliminate the current key set
    set.add(KeyStroke.getKeyStroke("ENTER"));
    KeyboardFocusManager.getCurrentKeyboardFocusManager().setDefaultFocusTraversalKeys(
        KeyboardFocusManager.FORWARD_TRAVERSAL_KEYS, set);
</code>

I try to apply above for my code but I wasn't sure if its working and how should I be traverse from 1 field to another. Any advice is appreciated. Thanks.
0
Comment
Question by:ai_chien
  • 2
3 Comments
 
LVL 26

Expert Comment

by:ksivananth
ID: 24146147
0
 
LVL 26

Accepted Solution

by:
ksivananth earned 200 total points
ID: 24146154
for e.g.,

Set forwardKeys = txtField.getFocusTraversalKeys(
    KeyboardFocusManager.FORWARD_TRAVERSAL_KEYS);
Set newForwardKeys = new HashSet(forwardKeys);
newForwardKeys.add(KeyStroke.getKeyStroke(KeyEvent.VK_ENTER, 0));
txtField.setFocusTraversalKeys(KeyboardFocusManager.FORWARD_TRAVERSAL_KEYS,
    newForwardKeys);

0
 
LVL 17

Assisted Solution

by:Thomas4019
Thomas4019 earned 50 total points
ID: 24153651
Java now has generics as of Java 1.5
That means you should no longer declare a "Set someSet" like that but now you must specify its type. The following is if the set contains Strings "Set someSet".

Set<AWTKeyStrole> set = new HashSet<AWTKeyStrole>(
instead of
Set set = new HashSet(



Set<AWTKeyStrole> set = new HashSet<AWTKeyStrole>(

        KeyboardFocusManager.getCurrentKeyboardFocusManager().getDefaultFocusTraversalKeys(

            KeyboardFocusManager.FORWARD_TRAVERSAL_KEYS));

    set.clear();   // Call clear() if you want to eliminate the current key set

    set.add(KeyStroke.getKeyStroke("ENTER"));

    KeyboardFocusManager.getCurrentKeyboardFocusManager().setDefaultFocusTraversalKeys(

        KeyboardFocusManager.FORWARD_TRAVERSAL_KEYS, set);

Open in new window

0

Featured Post

Is Your Active Directory as Secure as You Think?

More than 75% of all records are compromised because of the loss or theft of a privileged credential. Experts have been exploring Active Directory infrastructure to identify key threats and establish best practices for keeping data safe. Attend this month’s webinar to learn more.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

This was posted to the Netbeans forum a Feb, 2010 and I also sent it to Verisign. Who didn't help much in my struggles to get my application signed. ------------------------- Start The idea here is to target your cell phones with the correct…
In this post we will learn how to connect and configure Android Device (Smartphone etc.) with Android Studio. After that we will run a simple Hello World Program.
Viewers will learn about the regular for loop in Java and how to use it. Definition: Break the for loop down into 3 parts: Syntax when using for loops: Example using a for loop:
The viewer will learn how to implement Singleton Design Pattern in Java.

914 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question

Need Help in Real-Time?

Connect with top rated Experts

23 Experts available now in Live!

Get 1:1 Help Now