keyexitaction.java

来自「java 3d game jme 工程开发源代码」· Java 代码 · 共 69 行

/*
 * Copyright (c) 2003-2009 jMonkeyEngine
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 * * Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 *
 * * Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 *
 * * Neither the name of 'jMonkeyEngine' nor the names of its contributors 
 *   may be used to endorse or promote products derived from this software 
 *   without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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 */

package com.jme.input.action;

import com.jme.app.AbstractGame;

/**
 * <code>KeyExitAction</code> is used to call <code>finish</code> on the
 * application. This action can be assigned to an event, such as the escape key
 * being pressed, or a exit button being chosen.
 * 
 * @author Mark Powell
 * @version $Id: KeyExitAction.java,v 1.9 2006/01/13 19:39:41 renanse Exp $
 */
public class KeyExitAction extends KeyInputAction {

    //the application to exit
    private AbstractGame app;

    /**
     * Constructor instantiates a new <code>KeyExitAction</code> object.
     * 
     * @param app
     *            the reference to the application.
     */
    public KeyExitAction(AbstractGame app) {
        this.app = app;
    }

    /**
     * <code>performAction</code> calls the <code>finish</code> method of
     * the provided application.
     * 
     * @see com.jme.input.action.KeyInputAction#performAction(InputActionEvent)
     */
    public void performAction(InputActionEvent evt) {
        app.finish();
    }
}