Listen for undo and redo events

  

public class Main{
public static void main(String[] argv){
    JTextComponent textcomp = new JTextArea();
    final UndoManager undo = new UndoManager();
    Document doc = textcomp.getDocument();
    
    doc.addUndoableEditListener(new UndoableEditListener() {
        public void undoableEditHappened(UndoableEditEvent evt) {
            undo.addEdit(evt.getEdit());
        }
    });    

    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.add(new JScrollPane(textcomp));
    frame.setSize(380, 320);
    frame.setLocationRelativeTo(null);
    frame.setVisible(true);

}}

1.	The use of UndoableToggleEdit
2.	The use of StateEdit(able)
3.	The use of UndoManager
4.	A sample app showing the use of UndoableToggleEdit and CompoundEdit
5.	An example that shows lots of little UndoManager details
6.	Undo redo textarea
7.	Undo manager
8.	Simple GUI demo of UndoManager and friends
9.	Undo Example 1
10.	Undo Example 2
11.	Undo Example 3
12.	Undo Example 4
13.	Undo Example 5
14.	Undo Example 6
15.	Undoable Drawing Panel 2
16.	Undo Drawing
17.	Undo Example 7
18.	Creating TextArea with Undo, Redo Capabilities
19.	Add Undo and Redo to a text component
20.	Add undo support to the StyleFrame example
21.	Adding Undo and Redo to a Text Component
22.	Create a redo action and add it to the text component (JTextComponent)
23.	Create an undo action and add it to the text component
24.	Bind the undo action to ctl-Z

Listen for undo and redo events : Undo Redo « Swing JFC « Java

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