Article View: borland.public.jbuilder.java.swing
Article #13086Simple focus questions (with source code) - frametabulacao.java (0/1)
From: Joao Mauricio
Date: Fri, 18 Sep 1998 00:00
Date: Fri, 18 Sep 1998 00:00
121 lines
4832 bytes
4832 bytes
Hi all,
I'm trying to change the tab order of my frame.
My frame have 4 (four) JTextField's and 2 (two) JButton's, like this:
jTextField1 jButton1
jTextField2 jButton2
jTextField3
jTextField4
The default order is jTextField1, jButton1, jTextField2, jButton2,
jTextField3, jTextField4.
I'm trying to change this to jTextField1, jTextField2, jTextField3,
jTextField4, jButton1, jButton2.
I used the method setNextFocusableComponent(Component). When I hit the TAB
key I receive the message:
Exception occurred during event dispatching:
java.lang.ArrayIndexOutOfBoundsException: 6 > 5
at java.util.Vector.insertElementAt(Compiled Code)
at com.sun.java.swing.DefaultFocusManager.childrenTabOrder(Compiled Code)
at
com.sun.java.swing.DefaultFocusManager.getComponentAfter(DefaultFocusManager.java:225)
at
com.sun.java.swing.DefaultFocusManager.getNextComponent(DefaultFocusManager.java:162)
at
com.sun.java.swing.DefaultFocusManager.getFocusableComponentAfter(DefaultFocusManager.java:137)
at
com.sun.java.swing.DefaultFocusManager.focusNextComponent(DefaultFocusManager.java:88)
at
com.sun.java.swing.DefaultFocusManager.processKeyEvent(DefaultFocusManager.java:76)
at com.sun.java.swing.JComponent.processKeyEvent(Compiled Code)
at java.awt.Component.processEvent(Compiled Code)
at java.awt.Container.processEvent(Compiled Code)
at java.awt.Component.dispatchEventImpl(Compiled Code)
at java.awt.Container.dispatchEventImpl(Compiled Code)
at java.awt.Component.dispatchEvent(Compiled Code)
at java.awt.LightweightDispatcher.processKeyEvent(Container.java:1421)
at java.awt.LightweightDispatcher.dispatchEvent(Compiled Code)
at java.awt.Container.dispatchEventImpl(Compiled Code)
at java.awt.Window.dispatchEventImpl(Compiled Code)
at java.awt.Component.dispatchEvent(Compiled Code)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)
What I need to do ?
Thanks in advance,
Joao Mauricio
-------------- Source Code -------------------------------
package cetip.teste;
import java.awt.*;
import java.awt.event.*;
import com.sun.java.swing.*;
import borland.jbcl.layout.*;
public class FrameTabulacao extends JFrame {
JTextField jTextField1 = new JTextField();
XYLayout xYLayout1 = new XYLayout();
JTextField jTextField2 = new JTextField();
JTextField jTextField3 = new JTextField();
JTextField jTextField4 = new JTextField();
JButton jButton1 = new JButton();
JButton jButton2 = new JButton();
public FrameTabulacao() {
try {
jbInit();
}
catch (Exception e) {
e.printStackTrace();
}
}
private void jbInit() throws Exception {
this.getContentPane().setLayout(xYLayout1);
jTextField1.setText("jTextField1");
jTextField1.setNextFocusableComponent(jTextField2);
jTextField2.setText("jTextField2");
jTextField2.setNextFocusableComponent(jTextField3);
jTextField3.setText("jTextField3");
jTextField3.setNextFocusableComponent(jTextField4);
jTextField4.setText("jTextField4");
jTextField4.setNextFocusableComponent(jButton1);
jButton1.setText("jButton1");
jButton1.setNextFocusableComponent(jButton2);
jButton2.setText("jButton2");
jButton2.setNextFocusableComponent(jTextField1);
this.getContentPane().add(jTextField1, new XYConstraints(17, 32, 207,
-1));
this.getContentPane().add(jTextField2, new XYConstraints(17, 63, 212,
26));
this.getContentPane().add(jTextField3, new XYConstraints(17, 105, 208,
29));
this.getContentPane().add(jTextField4, new XYConstraints(15, 151, 217,
24));
this.getContentPane().add(jButton1, new XYConstraints(281, 30, 100, 28));
this.getContentPane().add(jButton2, new XYConstraints(280, 69, 101, 28));
this.getRootPane().setDefaultButton(jButton1);
}
public static void main(String args[]) {
FrameTabulacao frame = new FrameTabulacao();
frame.setSize(500, 300);
frame.addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
System.exit(0);
}
});
frame.setVisible(true);
}
}
---------------------------------------------------
Joao Mauricio
All opinions here are mine and mine alone.
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X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 111d45,8340ba73575c5173,start X-Google-Attributes: gid111d45,public From: JMauricio@Pobox.com (Joao Mauricio) Subject: Simple focus questions (with source code) - frametabulacao.java (0/1) Date: 1998/09/18 Message-ID: <3602be51.8102444@forums.inprise.com> X-Deja-AN: 392518814 Organization: Cetip Reply-To: JMauricio@Pobox.com Newsgroups: borland.public.jbuilder.java.swing