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/* * Copyright (c) 1998, 2003, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation.  Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code 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 * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package javax.swing.plaf.metal; import java.awt.*;import java.awt.event.*;import javax.swing.*;import javax.swing.border.*;import javax.swing.plaf.*;import java.beans.*;import java.util.EventListener;import java.io.Serializable;import javax.swing.plaf.basic.BasicDesktopIconUI; /** * Metal desktop icon. * * @author Steve Wilson */public class MetalDesktopIconUI extends BasicDesktopIconUI{     JButton button;    JLabel label;    TitleListener titleListener;    private int width;     public static ComponentUI createUI(JComponent c)    {        return new MetalDesktopIconUI();    }     public MetalDesktopIconUI() {    }     protected void installDefaults() {        super.installDefaults();        LookAndFeel.installColorsAndFont(desktopIcon, "DesktopIcon.background", "DesktopIcon.foreground", "DesktopIcon.font");        width = UIManager.getInt("DesktopIcon.width");    }     protected void installComponents() {        frame = desktopIcon.getInternalFrame();        Icon icon = frame.getFrameIcon();        String title = frame.getTitle();         button = new JButton (title, icon);        button.addActionListener( new ActionListener() {                                  public void actionPerformed(ActionEvent e) {             deiconize(); }} );        button.setFont(desktopIcon.getFont());        button.setBackground(desktopIcon.getBackground());        button.setForeground(desktopIcon.getForeground());         int buttonH = button.getPreferredSize().height;         Icon drag = new MetalBumps((buttonH/3), buttonH,                                   MetalLookAndFeel.getControlHighlight(),                                   MetalLookAndFeel.getControlDarkShadow(),                                   MetalLookAndFeel.getControl());        label = new JLabel(drag);         label.setBorder( new MatteBorder( 0, 2, 0, 1, desktopIcon.getBackground()) );        desktopIcon.setLayout(new BorderLayout(2, 0));        desktopIcon.add(button, BorderLayout.CENTER);        desktopIcon.add(label, BorderLayout.WEST);    }     protected void uninstallComponents() {        desktopIcon.setLayout(null);        desktopIcon.remove(label);        desktopIcon.remove(button);        button = null;        frame = null;    }     protected void installListeners() {        super.installListeners();        desktopIcon.getInternalFrame().addPropertyChangeListener(                titleListener = new TitleListener());    }     protected void uninstallListeners() {        desktopIcon.getInternalFrame().removePropertyChangeListener(                titleListener);        titleListener = null;        super.uninstallListeners();    }      public Dimension getPreferredSize(JComponent c) {        // Metal desktop icons can not be resized.  Their dimensions should        // always be the minimum size.  See getMinimumSize(JComponent c).        return getMinimumSize(c);    }     public Dimension getMinimumSize(JComponent c) {        // For the metal desktop icon we will use the layout maanger to        // determine the correct height of the component, but we want to keep        // the width consistent according to the jlf spec.        return new Dimension(width,                desktopIcon.getLayout().minimumLayoutSize(desktopIcon).height);    }     public Dimension getMaximumSize(JComponent c) {        // Metal desktop icons can not be resized.  Their dimensions should        // always be the minimum size.  See getMinimumSize(JComponent c).        return getMinimumSize(c);    }     class TitleListener implements PropertyChangeListener {        public void propertyChange (PropertyChangeEvent e) {          if (e.getPropertyName().equals("title")) {            button.setText((String)e.getNewValue());          }           if (e.getPropertyName().equals("frameIcon")) {            button.setIcon((Icon)e.getNewValue());          }        }    }}