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:UndoableDrawingPanel.java

public static void main(String args[]) {
    JFrame frame = new JFrame("Drawing Sample2");
    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  w w  . j a  v  a2s. c om*/
    JButton redoButton = new JButton(UndoManagerHelper.getRedoAction(manager));
    toolbar.add(redoButton);

    frame.add(toolbar, BorderLayout.NORTH);
    frame.add(drawingPanel, BorderLayout.CENTER);
    frame.setSize(300, 150);
    frame.setVisible(true);

}

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From source file:UndoableDrawingPanel2.java

public static void main(String args[]) {
    JFrame frame = new JFrame("Drawing Sample2");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    UndoableDrawingPanel2 drawingPanel = new UndoableDrawingPanel2();

    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);//w w  w.j  ava2 s  .  c  o  m
    frame.setVisible(true);
}

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From source file:UndoManagerHelper.java

public static void main(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(UndoManagerHelper.getUndoAction(manager));
    toolbar.add(undoButton);/*from www  . java  2s .co m*/
    JButton redoButton = new JButton(UndoManagerHelper.getRedoAction(manager));
    toolbar.add(redoButton);
    frame.add(toolbar, BorderLayout.NORTH);
    frame.add(scrollPane, BorderLayout.CENTER);
    frame.setSize(300, 150);
    frame.setVisible(true);
}

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From source file:Main.java

public static void installUndoManager(JTextComponent textComponent) {
    installUndoManager(textComponent, new UndoManager());
}

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From source file:UndoableTextArea.java

private void createUndoMananger() {
    m_undoManager = new UndoManager();
    m_undoManager.setLimit(10);
}

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From source file:UndoExample3.java

public UndoExample3() {
    super("Undo/Redo Example 3");

    DefaultMutableTreeNode rootNode = new DefaultMutableTreeNode("root");
    DefaultMutableTreeNode node = new DefaultMutableTreeNode("Apollo 8");
    rootNode.add(node);//from  w  w  w.ja va 2  s  .c  o  m
    node.add(new DefaultMutableTreeNode("Borman"));
    node.add(new DefaultMutableTreeNode("Lovell"));
    node.add(new DefaultMutableTreeNode("Anders"));

    node = new DefaultMutableTreeNode("Apollo 11");
    rootNode.add(node);
    node.add(new DefaultMutableTreeNode("Armstrong"));
    node.add(new DefaultMutableTreeNode("Aldrin"));
    node.add(new DefaultMutableTreeNode("Collins"));

    node = new DefaultMutableTreeNode("Apollo 12");
    rootNode.add(node);
    node.add(new DefaultMutableTreeNode("Conrad"));
    node.add(new DefaultMutableTreeNode("Gordon"));
    node.add(new DefaultMutableTreeNode("Bean"));

    UndoableTree tree = new UndoableTree(rootNode);

    getContentPane().add(new JScrollPane(tree), BorderLayout.CENTER);

    // Create the undo manager and actions
    UndoManager manager = new UndoManager();
    tree.addUndoableEditListener(manager);

    Action undoAction = new UndoAction(manager);
    Action redoAction = new RedoAction(manager);

    // Add the actions to buttons
    JPanel panel = new JPanel();
    JButton undoButton = new JButton("Undo");
    JButton redoButton = new JButton("Redo");
    undoButton.addActionListener(undoAction);
    redoButton.addActionListener(redoAction);
    panel.add(undoButton);
    panel.add(redoButton);
    getContentPane().add(panel, BorderLayout.SOUTH);

    // Assign the actions to keys
    ((JComponent) getContentPane()).registerKeyboardAction(undoAction,
            KeyStroke.getKeyStroke(KeyEvent.VK_Z, InputEvent.CTRL_MASK), JComponent.WHEN_IN_FOCUSED_WINDOW);
    ((JComponent) getContentPane()).registerKeyboardAction(redoAction,
            KeyStroke.getKeyStroke(KeyEvent.VK_Y, InputEvent.CTRL_MASK), JComponent.WHEN_IN_FOCUSED_WINDOW);
}

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From source file:UndoExample4.java

public UndoExample4() {
    super("Undo/Redo Example 4");

    DefaultMutableTreeNode rootNode = new DefaultMutableTreeNode("root");
    DefaultMutableTreeNode node = new DefaultMutableTreeNode("Apollo 8");
    rootNode.add(node);//from ww  w .j  av  a2 s .com
    node.add(new DefaultMutableTreeNode("Borman"));
    node.add(new DefaultMutableTreeNode("Lovell"));
    node.add(new DefaultMutableTreeNode("Anders"));

    node = new DefaultMutableTreeNode("Apollo 11");
    rootNode.add(node);
    node.add(new DefaultMutableTreeNode("Armstrong"));
    node.add(new DefaultMutableTreeNode("Aldrin"));
    node.add(new DefaultMutableTreeNode("Collins"));

    node = new DefaultMutableTreeNode("Apollo 12");
    rootNode.add(node);
    node.add(new DefaultMutableTreeNode("Conrad"));
    node.add(new DefaultMutableTreeNode("Gordon"));
    node.add(new DefaultMutableTreeNode("Bean"));

    UndoableTree2 tree = new UndoableTree2(rootNode);

    getContentPane().add(new JScrollPane(tree), BorderLayout.CENTER);

    // Create the undo manager and actions
    UndoManager manager = new UndoManager();
    tree.addUndoableEditListener(manager);

    Action undoAction = new UndoAction(manager);
    Action redoAction = new RedoAction(manager);

    // Add the actions to buttons
    JPanel panel = new JPanel();
    JButton undoButton = new JButton("Undo");
    JButton redoButton = new JButton("Redo");
    undoButton.addActionListener(undoAction);
    redoButton.addActionListener(redoAction);
    panel.add(undoButton);
    panel.add(redoButton);
    getContentPane().add(panel, BorderLayout.SOUTH);

    // Assign the actions to keys
    ((JComponent) getContentPane()).registerKeyboardAction(undoAction,
            KeyStroke.getKeyStroke(KeyEvent.VK_Z, InputEvent.CTRL_MASK), JComponent.WHEN_IN_FOCUSED_WINDOW);
    ((JComponent) getContentPane()).registerKeyboardAction(redoAction,
            KeyStroke.getKeyStroke(KeyEvent.VK_Y, InputEvent.CTRL_MASK), JComponent.WHEN_IN_FOCUSED_WINDOW);
}

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From source file:net.sf.jabref.gui.fieldeditors.JTextAreaWithHighlighting.java

private void setupUndoRedo() {
    undo = new UndoManager();
    Document doc = getDocument();

    // Listen for undo and redo events
    doc.addUndoableEditListener(evt -> undo.addEdit(evt.getEdit()));

    // Create an undo action and add it to the text component
    getActionMap().put("Undo", new AbstractAction("Undo") {

        @Override//from  w ww . j a  va 2  s.c  o  m
        public void actionPerformed(ActionEvent evt) {
            try {
                if (undo.canUndo()) {
                    undo.undo();
                }
            } catch (CannotUndoException ignored) {
                // Ignored
            }
        }
    });

    // Bind the undo action to ctl-Z
    getInputMap().put(Globals.getKeyPrefs().getKey(net.sf.jabref.gui.keyboard.KeyBinding.UNDO), "Undo");

    // Create a redo action and add it to the text component
    getActionMap().put("Redo", new AbstractAction(Actions.REDO) {

        @Override
        public void actionPerformed(ActionEvent evt) {
            try {
                if (undo.canRedo()) {
                    undo.redo();
                }
            } catch (CannotRedoException ignored) {
                // Ignored
            }
        }
    });

    // Bind the redo action to ctrl-Y
    boolean bind = true;
    KeyStroke redoKey = Globals.getKeyPrefs().getKey(net.sf.jabref.gui.keyboard.KeyBinding.REDO);
    if (Globals.prefs.getBoolean(JabRefPreferences.EDITOR_EMACS_KEYBINDINGS)) {
        // If emacs is enabled, check if we have a conflict at keys
        // If yes, do not bind
        // Typically, we have: CTRL+y is "yank" in emacs and REDO in 'normal' settings
        // The Emacs key bindings are stored in the keymap, not in the input map.
        Keymap keymap = getKeymap();
        KeyStroke[] keys = keymap.getBoundKeyStrokes();
        int i = 0;
        while ((i < keys.length) && !keys[i].equals(redoKey)) {
            i++;
        }
        if (i < keys.length) {
            // conflict found -> do not bind
            bind = false;
        }
    }
    if (bind) {
        getInputMap().put(redoKey, "Redo");
    }
}

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From source file:UndoDemo.java

/** Construct a GUI that demonstrates use of UndoManager */
public UndoDemo() {

    Container cp = getContentPane();
    cp.add(ta = new JTextArea(20, 60), BorderLayout.CENTER);
    JPanel bp;/*from w w  w. j  av  a 2  s  .c  o  m*/
    cp.add(bp = new JPanel(), BorderLayout.SOUTH);

    // Create a javax.swing.undo.UndoManager; this is an amazing class that
    // keeps a Stack of UndoableEdits and lets you invoke them;
    // by registering it as a Listener on the TextComponent.Document,
    // the Document will create the UndoableEdit objects and send them
    // to the UndoManager. Between them they do ALL the work!
    um = new UndoManager();
    ta.getDocument().addUndoableEditListener(um);

    // Create the buttons
    JButton cutButton, copyButton, pasteButton, undoButton, redoButton;
    bp.add(cutButton = new JButton("Cut"));
    cutButton.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            ta.cut();
        }
    });

    bp.add(copyButton = new JButton("Copy"));
    copyButton.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            ta.copy();
        }
    });

    bp.add(pasteButton = new JButton("Paste"));
    pasteButton.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            ta.paste();
        }
    });
    bp.add(undoButton = new JButton("UnDo"));
    undoButton.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            if (um.canUndo()) {
                um.undo();
            } else {
                warn("Can't undo");
            }
        }
    });
    bp.add(redoButton = new JButton("ReDo"));
    redoButton.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            if (um.canRedo()) {
                um.redo();
            } else {
                warn("Can't redo");
            }
        }
    });
    pack();
    setDefaultCloseOperation(EXIT_ON_CLOSE);
}

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From source file:com.github.benchdoos.weblocopener.weblocOpener.gui.EditDialog.java

private void initTextField(String pathToEditingFile) {
    textField.addMouseListener(new ClickListener() {
        @Override//from   w  w w  .  j a  v  a  2s. co m
        public void doubleClick(MouseEvent e) {
            textField.selectAll();
        }
    });

    textField.getDocument().addDocumentListener(new DocumentListener() {
        @Override
        public void changedUpdate(DocumentEvent e) {
        }

        @Override
        public void insertUpdate(DocumentEvent e) {
            updateTextFont();
        }

        @Override
        public void removeUpdate(DocumentEvent e) {
            updateTextFont();
        }

        private void updateTextFont() {
            UrlValidator urlValidator = new UrlValidator();
            if (urlValidator.isValid(textField.getText())) {
                if (textField != null) {
                    setTextFieldFont(textField.getFont(), TextAttribute.UNDERLINE, TextAttribute.UNDERLINE_ON);
                    textField.setForeground(Color.BLUE);
                }
            } else {
                if (textField != null) {
                    setTextFieldFont(textField.getFont(), TextAttribute.UNDERLINE, -1);
                    textField.setForeground(Color.BLACK);
                }
            }
        }

    });

    UndoManager undoManager = new UndoManager();
    textField.getDocument().addUndoableEditListener(new UndoableEditListener() {

        public void undoableEditHappened(UndoableEditEvent evt) {
            undoManager.addEdit(evt.getEdit());
        }

    });

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

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

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

    textField.getInputMap().put(KeyStroke.getKeyStroke("control shift Z"), "Redo");

    fillTextField(pathToEditingFile);
}

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