Java Swing KeyStroke setHotKeyForFocus(final JComponent comp, final String keyStroke, final String actionName)

Description

Sets the hot key for focus.

License

Apache License

Parameter

Parameter	Description
comp	the comp
keyStroke	the key stroke
actionName	the action name

Declaration

public static void setHotKeyForFocus(final JComponent comp, final String keyStroke, final String actionName) 

Method Source Code

//package com.java2s;
/*//w w  w . jav  a  2s .  c o  m
 * Copyright 2002-2016 Jalal Kiswani.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import java.awt.event.ActionEvent;

import javax.swing.AbstractAction;

import javax.swing.ActionMap;

import javax.swing.InputMap;

import javax.swing.JComponent;

import javax.swing.KeyStroke;

public class Main {
    /**
     * Sets the hot key for focus.
     *
     * @param comp
     *            the comp
     * @param keyStroke
     *            the key stroke
     * @param actionName
     *            the action name
     */
    public static void setHotKeyForFocus(final JComponent comp, final String keyStroke, final String actionName) {
        // get the button's Action map
        final ActionMap amap = comp.getActionMap();
        // add an action to the button's action map
        // and give it a name(it can be any object not just String)
        amap.put(actionName, new AbstractAction() {
            /**
             *
             */
            private static final long serialVersionUID = 1L;

            @Override
            public void actionPerformed(final ActionEvent e) {
                // call your a method that contains your action code
                comp.requestFocus();
            }
        });
        // get the input map for the button
        final InputMap imap = comp.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW);
        // add a key stroke associated with an action in the action map(action
        // name).
        // imap.put(KeyStroke.getKeyStroke("F1"),"ActionName");
        // you can do the same for more than one key.
        imap.put(KeyStroke.getKeyStroke(keyStroke), actionName);
    }
}

Related

1. removeKeyCode(JComponent comp, int keyCode)
2. removeShortcut(JRootPane rootPane, String command, KeyStroke stroke)
3. setAcceleratorKey(Action action, KeyStroke acceleratorKey)
4. setActionKeyBinding(final JComponent component, final int condition, final KeyStroke keyStroke, final Action action)
5. setGlobalAccelerator(JComponent component, KeyStroke accelerator, Action action)
6. setKeyBinding(String actionKey, int key, int modifiers, AbstractAction action, JComponent component)
7. setKeyStroke(JComponent component, KeyStroke keyStroke, Action action)
8. setUpCycle(JComponent comp, int key)
9. stringToKeyStroke(String s)