esccloseaction.java

来自「编辑视频文件」· Java 代码 · 共 61 行

/*
 * File:     EscCloseAction.java
 * Project:  MPI Linguistic Application
 * Date:     02 May 2007
 *
 * Copyright (C) 2001-2007  Max Planck Institute for Psycholinguistics
 *
 * 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 2 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, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package mpi.eudico.client.annotator.gui;

import java.awt.Window;
import java.awt.event.ActionEvent;
import java.awt.event.KeyEvent;

import javax.swing.AbstractAction;
import javax.swing.Action;
import javax.swing.KeyStroke;


/**
 * An action to close a window by pressing the Escape key.
 */
public class EscCloseAction extends AbstractAction {
    private Window window;

    /**
     * Constructor.
     *
     * @param window the window to close
     */
    public EscCloseAction(Window window) {
        super();
        this.window = window;
        putValue(Action.ACCELERATOR_KEY,
            KeyStroke.getKeyStroke(KeyEvent.VK_ESCAPE, 0));
    }

    /**
     * @see java.awt.event.ActionListener#actionPerformed(java.awt.event.ActionEvent)
     */
    public void actionPerformed(ActionEvent e) {
        if (window != null) {
            window.dispose();
        }
    }
}