Moving the Focus with the TAB Key in a JTextArea Component : TextArea « Swing JFC « Java






  1. Java
  2. Swing JFC
  3. TextArea

Moving the Focus with the TAB Key in a JTextArea Component

  

import java.awt.Component;
import java.awt.event.ActionEvent;

import javax.swing.AbstractAction;
import javax.swing.Action;
import javax.swing.JTextArea;

public class Main {
  public static void main(String[] argv) throws Exception {

    JTextArea component = new JTextArea();

    NextFocusAction nextFocusAction = new NextFocusAction();
    PrevFocusAction prevFocusAction = new PrevFocusAction();
    
    component.getActionMap().put(nextFocusAction.getValue(Action.NAME), nextFocusAction);
    component.getActionMap().put(prevFocusAction.getValue(Action.NAME), prevFocusAction);
  }
}

class NextFocusAction extends AbstractAction{
  public NextFocusAction(){
    super("Move Focus Forwards");
  }
  public void actionPerformed(ActionEvent evt) {
    ((Component) evt.getSource()).transferFocus();
  }
}
class PrevFocusAction extends AbstractAction {
  public PrevFocusAction(){
    super("Move Focus Backwards");
  }
  public void actionPerformed(ActionEvent evt) {
    ((Component) evt.getSource()).transferFocusBackward();
  }
}








Related examples in the same category

1.Creating a JTextArea Component
2.Insert some text after the 5th character
3.Delete the first 5 characters
4.Enumerating the Lines in a JTextArea Component
5.Modifying Text in a JTextArea Component
6.Fancier custom caret classFancier custom caret class
7.Show line start end offsets in a JTextAreaShow line start end offsets in a JTextArea
8.A TransferHandler and JTextArea that will accept any drop at allA TransferHandler and JTextArea that will accept any drop at all
9.Drop: TextAreaDrop: TextArea
10.Drag and drop: TextArea 2Drag and drop: TextArea 2
11.Caret SampleCaret Sample
12.TextArea Background ImageTextArea Background Image
13.Cut Paste SampleCut Paste Sample
14.TextArea SampleTextArea Sample
15.TextArea ExampleTextArea Example
16.Wrap textareaWrap textarea
17.Replace text in text areaReplace text in text area
18.TextField ExampleTextField Example
19.TextArea Elements 2TextArea Elements 2
20.TextArea ElementsTextArea Elements
21.TextArea Views 2TextArea Views 2
22.TextArea Views 3TextArea Views 3
23.TextArea with UnicodeTextArea with Unicode
24.Internationalized Graphical User Interfaces: unicode cut and pasteInternationalized Graphical User Interfaces: unicode cut and paste
25.Text Component Demo 2Text Component Demo 2
26.Text Component DemoText Component Demo
27.Text Input DemoText Input Demo
28.Text Components Sampler DemoText Components Sampler Demo
29.TextArea Share ModelTextArea Share Model
30.Set the start of the selection; ignored if new start is < end
31.Set the end of the selection; ignored if new end is > start
32.Set the caret color
33.Simple Editor DemoSimple Editor Demo
34.Setting the Tab Size of a JTextArea Component
35.Enabling Word-Wrapping and Line-Wrapping in a JTextArea Component
36.Append some text to JTextArea
37.Replace the first 3 characters with some text
38.Enable word-wrapping
39.Enumerate the content elements with a ElementIterator
40.Highlight of discontinous string
41.Copy selected text from one text area to another