Example usage for javax.swing.text Keymap addActionForKeyStroke

Introduction

In this page you can find the example usage for javax.swing.text Keymap addActionForKeyStroke.

Prototype

public void addActionForKeyStroke(KeyStroke key, Action a);

Source Link

Document

Adds a binding to the keymap.

Usage

From source file:KeymapExample.java

public static void main(String[] args) {
    JTextArea area = new JTextArea(6, 32);
    Keymap parent = area.getKeymap();
    Keymap newmap = JTextComponent.addKeymap("KeymapExampleMap", parent);

    KeyStroke u = KeyStroke.getKeyStroke(KeyEvent.VK_U, InputEvent.CTRL_MASK);
    Action actionU = new UpWord();
    newmap.addActionForKeyStroke(u, actionU);

    Action actionList[] = area.getActions();
    Hashtable lookup = new Hashtable();
    for (int j = 0; j < actionList.length; j += 1)
        lookup.put(actionList[j].getValue(Action.NAME), actionList[j]);

    KeyStroke L = KeyStroke.getKeyStroke(KeyEvent.VK_L, InputEvent.CTRL_MASK);
    Action actionL = (Action) lookup.get(DefaultEditorKit.selectLineAction);
    newmap.addActionForKeyStroke(L, actionL);

    KeyStroke W = KeyStroke.getKeyStroke(KeyEvent.VK_W, InputEvent.CTRL_MASK);
    Action actionW = (Action) lookup.get(DefaultEditorKit.selectWordAction);
    newmap.addActionForKeyStroke(W, actionW);

    area.setKeymap(newmap);/*from  w w w  .  j a v a 2  s .co m*/

    JFrame f = new JFrame("KeymapExample");
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f.getContentPane().add(new JScrollPane(area), BorderLayout.CENTER);
    area.setText("www.\n java2s \n .com.");
    f.pack();
    f.setVisible(true);
}

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From source file:KeymapExample.java

public static void main(String[] args) {
    JTextArea area = new JTextArea(6, 32);
    Keymap parent = area.getKeymap();
    Keymap newmap = JTextComponent.addKeymap("KeymapExampleMap", parent);

    KeyStroke u = KeyStroke.getKeyStroke(KeyEvent.VK_U, InputEvent.CTRL_MASK);
    Action actionU = new UpWord();
    newmap.addActionForKeyStroke(u, actionU);

    Action actionList[] = area.getActions();
    Hashtable lookup = new Hashtable();
    for (int j = 0; j < actionList.length; j += 1)
        lookup.put(actionList[j].getValue(Action.NAME), actionList[j]);

    KeyStroke L = KeyStroke.getKeyStroke(KeyEvent.VK_L, InputEvent.CTRL_MASK);
    Action actionL = (Action) lookup.get(DefaultEditorKit.selectLineAction);
    newmap.addActionForKeyStroke(L, actionL);

    KeyStroke W = KeyStroke.getKeyStroke(KeyEvent.VK_W, InputEvent.CTRL_MASK);
    Action actionW = (Action) lookup.get(DefaultEditorKit.selectWordAction);
    newmap.addActionForKeyStroke(W, actionW);

    area.setKeymap(newmap);/*  w  w w .ja  v  a 2  s . c o m*/

    JFrame f = new JFrame("KeymapExample");
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f.getContentPane().add(new JScrollPane(area), BorderLayout.CENTER);
    area.setText("This is a test.");
    f.pack();
    f.setVisible(true);
}

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From source file:Main.java

public static void main(String[] args) {
    JTextArea area = new JTextArea(6, 32);
    Keymap parent = area.getKeymap();
    Keymap newmap = JTextComponent.addKeymap("KeymapExampleMap", parent);

    KeyStroke u = KeyStroke.getKeyStroke(KeyEvent.VK_U, InputEvent.CTRL_MASK);
    Action actionU = new UppercaseAction();
    newmap.addActionForKeyStroke(u, actionU);

    Action actionList[] = area.getActions();
    Hashtable lookup = new Hashtable();
    for (int j = 0; j < actionList.length; j += 1)
        lookup.put(actionList[j].getValue(Action.NAME), actionList[j]);

    KeyStroke L = KeyStroke.getKeyStroke(KeyEvent.VK_L, InputEvent.CTRL_MASK);
    Action actionL = (Action) lookup.get(DefaultEditorKit.selectLineAction);
    newmap.addActionForKeyStroke(L, actionL);

    area.setKeymap(newmap);/*  w w w . jav a2  s.  c om*/

    JFrame f = new JFrame();
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f.add(new JScrollPane(area), BorderLayout.CENTER);
    area.setText("this is a test");
    f.setSize(300, 300);
    f.setVisible(true);
}

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From source file:net.sf.jabref.gui.keyboard.EmacsKeyBindings.java

private static void createBackup() {
    Keymap oldBackup = JTextComponent.getKeymap(EmacsKeyBindings.JTCS[0].getClass().getName());
    if (oldBackup != null) {
        // if there is already a backup, do not create a new backup
        return;//from  w w w.  j  a va  2s.c  om
    }

    for (JTextComponent jtc : EmacsKeyBindings.JTCS) {
        Keymap orig = jtc.getKeymap();
        Keymap backup = JTextComponent.addKeymap(jtc.getClass().getName(), null);
        Action[] bound = orig.getBoundActions();
        for (Action aBound : bound) {
            KeyStroke[] strokes = orig.getKeyStrokesForAction(aBound);
            for (KeyStroke stroke : strokes) {
                backup.addActionForKeyStroke(stroke, aBound);
            }
        }
        backup.setDefaultAction(orig.getDefaultAction());
    }
}

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From source file:net.sf.jabref.gui.keyboard.EmacsKeyBindings.java

/**
 * Restores the original keybindings for the concrete subclasses of
 * {@link JTextComponent}./*from  w  ww  . ja va2s. com*/
 *
 */
public static void unload() {
    for (int i = 0; i < EmacsKeyBindings.JTCS.length; i++) {
        Keymap backup = JTextComponent.getKeymap(EmacsKeyBindings.JTCS[i].getClass().getName());

        if (backup != null) {
            Keymap current = EmacsKeyBindings.JTCS[i].getKeymap();
            current.removeBindings();

            Action[] bound = backup.getBoundActions();
            for (Action aBound : bound) {
                KeyStroke[] strokes = backup.getKeyStrokesForAction(bound[i]);
                for (KeyStroke stroke : strokes) {
                    current.addActionForKeyStroke(stroke, aBound);
                }
            }
            current.setDefaultAction(backup.getDefaultAction());
        }
    }
}

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From source file:DateTimeEditor.java

protected void setupKeymap() {
    Keymap keymap = m_textField.addKeymap("DateTimeKeymap", null);
    keymap.addActionForKeyStroke(KeyStroke.getKeyStroke(KeyEvent.VK_UP, 0), m_upAction);
    keymap.addActionForKeyStroke(KeyStroke.getKeyStroke(KeyEvent.VK_DOWN, 0), m_downAction);
    keymap.addActionForKeyStroke(KeyStroke.getKeyStroke(KeyEvent.VK_LEFT, 0),
            new BackwardAction(DefaultEditorKit.backwardAction));
    keymap.addActionForKeyStroke(KeyStroke.getKeyStroke(KeyEvent.VK_RIGHT, 0),
            new ForwardAction(DefaultEditorKit.forwardAction));
    keymap.addActionForKeyStroke(KeyStroke.getKeyStroke(KeyEvent.VK_HOME, 0),
            new BeginAction(DefaultEditorKit.beginAction));
    keymap.addActionForKeyStroke(KeyStroke.getKeyStroke(KeyEvent.VK_END, 0),
            new EndAction(DefaultEditorKit.endAction));
    m_textField.setKeymap(keymap);//from  ww w.ja v  a 2s . co  m
}

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