jxframe.java

java实现浏览器等本地桌面的功能

/*
 * $Id: JXFrame.java,v 1.6 2005/10/12 11:26:57 kleopatra Exp $
 *
 * Copyright 2004 Sun Microsystems, Inc., 4150 Network Circle,
 * Santa Clara, California 95054, U.S.A. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 * 
 * This library 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
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */

package org.jdesktop.swingx;

import java.awt.Component;

import javax.swing.JFrame;
import javax.swing.JRootPane;


/**
 * A smarter JFrame specifically used for top level frames for Applications.
 * This frame uses a JXRootPane.
 */
public class JXFrame extends JFrame {

    public JXFrame() {
        this(null, false);
    }
    
    public JXFrame(String title, boolean exitOnClose) {
        super(title);
        if (exitOnClose) {
            setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        }
    }

    public JXFrame(String title) {
        this(title, false);
    }

    /**
     * Overloaded to create a JXRootPane.
     */
    protected JRootPane createRootPane() {
        return new JXRootPane();
    }

    /**
     * Overloaded to make this public.
     */
    public void setRootPane(JRootPane root) {
        super.setRootPane(root);
    }

    /**
     * Add a component to the Frame.
     */
    public void addComponent(Component comp) {
        JXRootPane root = getRootPaneExt();
        if (root != null) {
            root.addComponent(comp);
        }
        // XXX should probably fire some sort of container event.
    }

    /**
     * Removes a component from the frame.
     */
    public void removeComponent(Component comp) {
        JXRootPane root = getRootPaneExt();
        if (root != null) {
            root.removeComponent(comp);
        }
        // XXX should probably fire some sort of container event.
    }

    /**
     * Return the extended root pane. If this frame doesn't contain
     * an extended root pane the root pane should be accessed with
     * getRootPane().
     *
     * @return the extended root pane or null.
     */
    public JXRootPane getRootPaneExt() {
        if (rootPane instanceof JXRootPane) {
            return (JXRootPane)rootPane;
        }
        return null;
    }

}