Example usage for javax.swing.undo UndoManager UndoManager

Introduction

In this page you can find the example usage for javax.swing.undo UndoManager UndoManager.

Prototype

public UndoManager() 

Source Link

Document

Creates a new UndoManager.

Usage

From source file:UndoManagerDetails.java

public static void main(String[] args) {
    UndoManager mgr = new UndoManager();
    mgr.addEdit(new SampleUndoableEdit(1, false, true, false));
    mgr.addEdit(new SampleUndoableEdit(2, false, true, false));
    mgr.addEdit(new SampleUndoableEdit(3, false, false, false));
    mgr.addEdit(new SampleUndoableEdit(4, false, false, false));

    System.out.println("Insignificant edit example");
    mgr.undo();/*w  ww.  ja v  a 2 s .c  o  m*/
    mgr.redo();
    System.out.println(mgr.canRedo()); // No more sig. edits

    // Show how edits that call add/replace are used.
    //
    // # adds? sig? replace?
    mgr.addEdit(new SampleUndoableEdit(5, true, true, false));
    mgr.addEdit(new SampleUndoableEdit(6, false, true, false));
    System.out.println("Absorbed (by addEdit) edit example");
    mgr.undo();
    mgr.discardAllEdits();

    // # adds? sig? replace?
    mgr.addEdit(new SampleUndoableEdit(1, false, true, false));
    mgr.addEdit(new SampleUndoableEdit(2, false, true, true));
    System.out.println("Absorbed (by replaceEdit) edit example");
    mgr.undo();
    System.out.println(mgr.canUndo());

    // Show how changing limit works.
    mgr.discardAllEdits();

    // # adds? sig? replace?
    mgr.addEdit(new SampleUndoableEdit(1, false, true, false));
    mgr.addEdit(new SampleUndoableEdit(2, false, true, false));
    mgr.addEdit(new SampleUndoableEdit(3, false, true, false));
    mgr.addEdit(new SampleUndoableEdit(4, false, true, false));
    mgr.addEdit(new SampleUndoableEdit(5, false, true, false));
    mgr.addEdit(new SampleUndoableEdit(6, false, true, false));
    System.out.println("Changing limit example");
    mgr.undo();
    mgr.undo();
    mgr.undo(); // Now 3 undoable, 3 redoable
    mgr.setLimit(4); // Now 2 undoable, 2 redoable!
    while (mgr.canUndo())
        mgr.undo();
    while (mgr.canRedo())
        mgr.redo();

    // undoOrRedo example
    mgr.discardAllEdits();
    mgr.setLimit(1);

    // # adds? sig? replace?
    mgr.addEdit(new SampleUndoableEdit(1, false, true, false));
    System.out.println("undoOrRedo example");
    System.out.println(mgr.getUndoOrRedoPresentationName());
    mgr.undoOrRedo();
    System.out.println(mgr.getUndoOrRedoPresentationName());
    mgr.undoOrRedo();

    // Show how UndoManager becomes a CompositeEdit.
    mgr.discardAllEdits();
    mgr.setLimit(100);

    // # adds? sig? replace?
    mgr.addEdit(new SampleUndoableEdit(1, false, true, false));
    mgr.addEdit(new SampleUndoableEdit(2, false, true, false));
    mgr.addEdit(new SampleUndoableEdit(3, false, true, false));
    System.out.println("Transform to composite example");
    mgr.end();
    mgr.undo();
    mgr.redo();

    // Show that adds are no longer allowed. Note that addEdit() returns true in
    // pre-JDK 1.2 Swing releases. This is fixed in JDK 1.2.
    System.out.println(mgr.addEdit(new SampleUndoableEdit(4, false, true, false)));
    mgr.undo(); // note that edit 4 is not there
}

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From source file:Main.java

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());
        }/* w ww  .  ja v  a 2  s .com*/
    });

    textcomp.getActionMap().put("Undo", new AbstractAction("Undo") {
        public void actionPerformed(ActionEvent evt) {
            try {
                if (undo.canUndo()) {
                    undo.undo();
                }
            } catch (CannotUndoException e) {
            }
        }
    });

    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);
}

---

From source file:Main.java

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());
        }//ww w .  jav a  2 s  .  com
    });

    textcomp.getActionMap().put("Undo", new AbstractAction("Undo") {
        public void actionPerformed(ActionEvent evt) {
            try {
                if (undo.canUndo()) {
                    undo.undo();
                }
            } catch (CannotUndoException e) {
            }
        }
    });

    textcomp.getInputMap().put(KeyStroke.getKeyStroke("control Z"), "Undo");

    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);
}

---

From source file:Main.java

public static void main(String[] argv) throws Exception {
    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());
        }/* w  w w . j av a 2s .c  o m*/
    });
    textcomp.getActionMap().put("Undo", new AbstractAction("Undo") {
        public void actionPerformed(ActionEvent evt) {
            try {
                if (undo.canUndo()) {
                    undo.undo();
                }
            } catch (CannotUndoException e) {
            }
        }
    });
    textcomp.getInputMap().put(KeyStroke.getKeyStroke("control Z"), "Undo");
    textcomp.getActionMap().put("Redo", new AbstractAction("Redo") {
        public void actionPerformed(ActionEvent evt) {
            try {
                if (undo.canRedo()) {
                    undo.redo();
                }
            } catch (CannotRedoException e) {
            }
        }
    });
    textcomp.getInputMap().put(KeyStroke.getKeyStroke("control Y"), "Redo");
}

---

From source file:Main.java

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());
        }/*from  www. j av  a 2  s  .c o m*/
    });

    textcomp.getActionMap().put("Undo", new AbstractAction("Undo") {
        public void actionPerformed(ActionEvent evt) {
            try {
                if (undo.canUndo()) {
                    undo.undo();
                }
            } catch (CannotUndoException e) {
            }
        }
    });

    textcomp.getInputMap().put(KeyStroke.getKeyStroke("control Z"), "Undo");

    textcomp.getActionMap().put("Redo", new AbstractAction("Redo") {
        public void actionPerformed(ActionEvent evt) {
            try {
                if (undo.canRedo()) {
                    undo.redo();
                }
            } catch (CannotRedoException e) {
            }
        }
    });

    textcomp.getInputMap().put(KeyStroke.getKeyStroke("control Y"), "Redo");

    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);

}

---

From source file:Main.java

public static void main(String[] argv) throws Exception {
    JTextComponent textcomp = new JTextArea();
    final UndoManager undo = new UndoManager();
    Document doc = textcomp.getDocument();

    JFrame f = new JFrame();
    f.add(new JScrollPane(textcomp));
    f.setSize(330, 300);/*from w w w .  j  a va 2  s.  c o  m*/
    f.setVisible(true);

    doc.addUndoableEditListener(new UndoableEditListener() {
        public void undoableEditHappened(UndoableEditEvent evt) {
            undo.addEdit(evt.getEdit());
        }
    });

    textcomp.getActionMap().put("Undo", new AbstractAction("Undo") {
        public void actionPerformed(ActionEvent evt) {
            try {
                if (undo.canUndo()) {
                    undo.undo();
                }
            } catch (CannotUndoException e) {
            }
        }
    });

    textcomp.getInputMap().put(KeyStroke.getKeyStroke("control Z"), "Undo");

    textcomp.getActionMap().put("Redo", new AbstractAction("Redo") {
        public void actionPerformed(ActionEvent evt) {
            try {
                if (undo.canRedo()) {
                    undo.redo();
                }
            } catch (CannotRedoException e) {
            }
        }
    });

    textcomp.getInputMap().put(KeyStroke.getKeyStroke("control Y"), "Redo");

}

---

From source file:MainClass.java

public static void main(final String args[]) {
    JFrame frame = new JFrame("Undo Sample");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JTextArea textArea = new JTextArea();
    JScrollPane scrollPane = new JScrollPane(textArea);

    UndoManager manager = new UndoManager();
    textArea.getDocument().addUndoableEditListener(manager);

    JToolBar toolbar = new JToolBar();
    JButton undoButton = new JButton(
            new UndoAction(manager, (String) UIManager.get("AbstractUndoableEdit.undoText")));
    toolbar.add(undoButton);//from   w w w  .ja va  2 s .c o m

    Container content = frame.getContentPane();
    content.add(toolbar, BorderLayout.NORTH);
    content.add(scrollPane, BorderLayout.CENTER);
    frame.setSize(300, 150);
    frame.setVisible(true);

}

---

From source file:MainClass.java

public static void main(final String args[]) {
    JFrame frame = new JFrame("Undo Sample");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JTextArea textArea = new JTextArea();
    JScrollPane scrollPane = new JScrollPane(textArea);

    UndoManager manager = new UndoManager();
    textArea.getDocument().addUndoableEditListener(manager);

    JToolBar toolbar = new JToolBar();
    JButton undoButton = new JButton(
            new UndoAction(manager, (String) UIManager.get("AbstractUndoableEdit.undoText")));
    toolbar.add(undoButton);/*w w  w. j  a  v a 2  s  . c  o m*/

    JButton redoButton = new JButton(
            new RedoAction(manager, (String) UIManager.get("AbstractUndoableEdit.redoText")));
    toolbar.add(redoButton);

    Container content = frame.getContentPane();
    content.add(toolbar, BorderLayout.NORTH);
    content.add(scrollPane, BorderLayout.CENTER);
    frame.setSize(300, 150);
    frame.setVisible(true);

}

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From source file:UndoDrawing.java

public static void main(String args[]) {
    JFrame frame = new JFrame("Drawing Sample");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    UndoableDrawingPanel drawingPanel = new UndoableDrawingPanel();

    UndoManager manager = new UndoManager();
    drawingPanel.addUndoableEditListener(manager);

    JToolBar toolbar = new JToolBar();
    JButton undoButton = new JButton(UndoManagerHelper.getUndoAction(manager));
    toolbar.add(undoButton);//from  w ww . j a  v  a 2 s  . c  o m
    JButton redoButton = new JButton(UndoManagerHelper.getRedoAction(manager));
    toolbar.add(redoButton);

    Container content = frame.getContentPane();
    content.add(toolbar, BorderLayout.NORTH);
    content.add(drawingPanel, BorderLayout.CENTER);
    frame.setSize(300, 150);
    frame.setVisible(true);
}

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From source file:UndoDrawing.java

public static void main(String args[]) {
    JFrame frame = new JFrame("Drawing Sample");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    UndoableDrawingPanel drawingPanel = new UndoableDrawingPanel();

    UndoManager manager = new UndoManager();
    drawingPanel.addUndoableEditListener(manager);

    JToolBar toolbar = new JToolBar();
    toolbar.add(UndoManagerHelper.getUndoAction(manager));
    toolbar.add(UndoManagerHelper.getRedoAction(manager));

    Container content = frame.getContentPane();
    content.add(toolbar, BorderLayout.NORTH);
    content.add(drawingPanel, BorderLayout.CENTER);
    frame.setSize(300, 150);/*from   w w  w.j  a  va2 s . c om*/
    frame.setVisible(true);
}

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