1 /*
   2  * Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 package sun.swing;
  26 
  27 import java.awt.*;
  28 import java.awt.event.*;
  29 import java.beans.PropertyChangeEvent;
  30 import java.beans.PropertyChangeListener;
  31 import java.io.*;
  32 
  33 import javax.swing.*;
  34 import javax.swing.border.*;
  35 import javax.swing.filechooser.*;
  36 
  37 import sun.awt.shell.*;
  38 import sun.awt.OSInfo;
  39 
  40 /**
  41  * <b>WARNING:</b> This class is an implementation detail and is only
  42  * public so that it can be used by two packages. You should NOT consider
  43  * this public API.
  44  * <p>
  45  *
  46  * @author Leif Samuelsson
  47  */
  48 public class WindowsPlacesBar extends JToolBar
  49                               implements ActionListener, PropertyChangeListener {
  50     JFileChooser fc;
  51     JToggleButton[] buttons;
  52     ButtonGroup buttonGroup;
  53     File[] files;
  54     final Dimension buttonSize;
  55 
  56     public WindowsPlacesBar(JFileChooser fc, boolean isXPStyle) {
  57         super(JToolBar.VERTICAL);
  58         this.fc = fc;
  59         setFloatable(false);
  60         putClientProperty("JToolBar.isRollover", Boolean.TRUE);
  61 
  62         boolean isXPPlatform = (OSInfo.getOSType() == OSInfo.OSType.WINDOWS &&
  63                 OSInfo.getWindowsVersion().compareTo(OSInfo.WINDOWS_XP) >= 0);
  64 
  65         if (isXPStyle) {
  66             buttonSize = new Dimension(83, 69);
  67             putClientProperty("XPStyle.subAppName", "placesbar");
  68             setBorder(new EmptyBorder(1, 1, 1, 1));
  69         } else {
  70             // The button size almost matches the XP style when in Classic style on XP
  71             buttonSize = new Dimension(83, isXPPlatform ? 65 : 54);
  72             setBorder(new BevelBorder(BevelBorder.LOWERED,
  73                                       UIManager.getColor("ToolBar.highlight"),
  74                                       UIManager.getColor("ToolBar.background"),
  75                                       UIManager.getColor("ToolBar.darkShadow"),
  76                                       UIManager.getColor("ToolBar.shadow")));
  77         }
  78         Color bgColor = new Color(UIManager.getColor("ToolBar.shadow").getRGB());
  79         setBackground(bgColor);
  80         FileSystemView fsv = fc.getFileSystemView();
  81 
  82         files = (File[])ShellFolder.get("fileChooserShortcutPanelFolders");
  83         buttons = new JToggleButton[files.length];
  84         buttonGroup = new ButtonGroup();
  85         for (int i = 0; i < files.length; i++) {
  86             if (fsv.isFileSystemRoot(files[i])) {
  87                 // Create special File wrapper for drive path
  88                 files[i] = fsv.createFileObject(files[i].getAbsolutePath());
  89             }
  90 
  91             String folderName = fsv.getSystemDisplayName(files[i]);
  92             int index = folderName.lastIndexOf(File.separatorChar);
  93             if (index >= 0 && index < folderName.length() - 1) {
  94                 folderName = folderName.substring(index + 1);
  95             }
  96             Icon icon;
  97             if (files[i] instanceof ShellFolder) {
  98                 // We want a large icon, fsv only gives us a small.
  99                 ShellFolder sf = (ShellFolder)files[i];
 100                 Image image = sf.getIcon(true);
 101 
 102                 if (image == null) {
 103                     // Get default image
 104                     image = (Image) ShellFolder.get("shell32LargeIcon 1");
 105                 }
 106 
 107                 icon = image == null ? null : new ImageIcon(image, sf.getFolderType());
 108             } else {
 109                 icon = fsv.getSystemIcon(files[i]);
 110             }
 111             buttons[i] = new JToggleButton(folderName, icon);
 112             if (isXPPlatform) {
 113                 buttons[i].setText("<html><center>"+folderName+"</center></html>");
 114             }
 115             if (isXPStyle) {
 116                 buttons[i].putClientProperty("XPStyle.subAppName", "placesbar");
 117             } else {
 118                 Color fgColor = new Color(UIManager.getColor("List.selectionForeground").getRGB());
 119                 buttons[i].setContentAreaFilled(false);
 120                 buttons[i].setForeground(fgColor);
 121             }
 122             buttons[i].setMargin(new Insets(3, 2, 1, 2));
 123             buttons[i].setFocusPainted(false);
 124             buttons[i].setIconTextGap(0);
 125             buttons[i].setHorizontalTextPosition(JToggleButton.CENTER);
 126             buttons[i].setVerticalTextPosition(JToggleButton.BOTTOM);
 127             buttons[i].setAlignmentX(JComponent.CENTER_ALIGNMENT);
 128             buttons[i].setPreferredSize(buttonSize);
 129             buttons[i].setMaximumSize(buttonSize);
 130             buttons[i].addActionListener(this);
 131             add(buttons[i]);
 132             if (i < files.length-1 && isXPStyle) {
 133                 add(Box.createRigidArea(new Dimension(1, 1)));
 134             }
 135             buttonGroup.add(buttons[i]);
 136         }
 137         doDirectoryChanged(fc.getCurrentDirectory());
 138     }
 139 
 140     protected void doDirectoryChanged(File f) {
 141         for (int i=0; i<buttons.length; i++) {
 142             JToggleButton b = buttons[i];
 143             if (files[i].equals(f)) {
 144                 b.setSelected(true);
 145                 break;
 146             } else if (b.isSelected()) {
 147                 // Remove temporarily from group because it doesn't
 148                 // allow for no button to be selected.
 149                 buttonGroup.remove(b);
 150                 b.setSelected(false);
 151                 buttonGroup.add(b);
 152             }
 153         }
 154     }
 155 
 156     public void propertyChange(PropertyChangeEvent e) {
 157         String prop = e.getPropertyName();
 158         if (prop == JFileChooser.DIRECTORY_CHANGED_PROPERTY) {
 159             doDirectoryChanged(fc.getCurrentDirectory());
 160         }
 161     }
 162 
 163     public void actionPerformed(ActionEvent e) {
 164         JToggleButton b = (JToggleButton)e.getSource();
 165         for (int i=0; i<buttons.length; i++) {
 166             if (b == buttons[i]) {
 167                 fc.setCurrentDirectory(files[i]);
 168                 break;
 169             }
 170         }
 171     }
 172 
 173     public Dimension getPreferredSize() {
 174         Dimension min  = super.getMinimumSize();
 175         Dimension pref = super.getPreferredSize();
 176         int h = min.height;
 177         if (buttons != null && buttons.length > 0 && buttons.length < 5) {
 178             JToggleButton b = buttons[0];
 179             if (b != null) {
 180                 int bh = 5 * (b.getPreferredSize().height + 1);
 181                 if (bh > h) {
 182                     h = bh;
 183                 }
 184             }
 185         }
 186         if (h > pref.height) {
 187             pref = new Dimension(pref.width, h);
 188         }
 189         return pref;
 190     }
 191 }