set Button Key Stroke - Java 2D Graphics

Java examples for 2D Graphics:Stroke

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Description

set Button Key Stroke

Demo Code

/*//from   ww  w  .  j a  v a  2s.co m
 * Copyright (C) 2011 Trilarion
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
//package com.java2s;

import java.awt.event.ActionEvent;

import javax.swing.AbstractAction;
import javax.swing.Action;
import javax.swing.ActionMap;

import javax.swing.InputMap;
import javax.swing.JButton;
import javax.swing.JComponent;
import javax.swing.KeyStroke;

public class Main {
    /**
     *
     */
    private static final String KEYID = "scrambledEggs";

    /**
     *
     * @param button
     * @param keyStroke
     */
    public static void setButtonKeyStroke(final JButton button,
            KeyStroke keyStroke) {
        Action action = new AbstractAction() {
            private static final long serialVersionUID = 1L;

            @Override
            public void actionPerformed(ActionEvent e) {
                if (button != null) {
                    button.doClick();
                }
            }
        };
        setKeyStroke(button, keyStroke, action);
    }

    /**
     *
     * @param component
     * @param keyStroke
     * @param action
     */
    public static void setKeyStroke(JComponent component,
            KeyStroke keyStroke, Action action) {
        InputMap inputMap = component
                .getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW);
        if (inputMap != null) {
            ActionMap actionMap = component.getActionMap();
            inputMap.put(keyStroke, KEYID);
            if (actionMap != null) {
                actionMap.put(KEYID, action);
            }
        }
    }
}

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