Example usage for javax.swing.text Keymap setDefaultAction

Introduction

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

Prototype

public void setDefaultAction(Action a);

Source Link

Document

Set the default action to fire if a key is typed.

Usage

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;//w ww . j a  v a2  s.  com
    }

    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}.//w  w  w.  j av  a2s.c  o m
 *
 */
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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