# 4
Here is my code pls help me
<code>
import java.awt.BorderLayout;
import java.awt.Component;
import java.awt.ComponentOrientation;
import java.awt.Container;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Insets;
import java.awt.LayoutManager;
import java.awt.event.ActionEvent;
import java.awt.event.FocusEvent;
import java.awt.event.FocusListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseListener;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.Arrays;
import java.util.Locale;
import java.util.Vector;
import javax.swing.AbstractAction;
import javax.swing.AbstractListModel;
import javax.swing.Action;
import javax.swing.ActionMap;
import javax.swing.Box;
import javax.swing.BoxLayout;
import javax.swing.ButtonGroup;
import javax.swing.ComboBoxEditor;
import javax.swing.ComboBoxModel;
import javax.swing.DefaultListCellRenderer;
import javax.swing.Icon;
import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JComponent;
import javax.swing.JFileChooser;
import javax.swing.JLabel;
import javax.swing.JList;
import javax.swing.JPanel;
import javax.swing.JTextField;
import javax.swing.JToggleButton;
import javax.swing.SwingUtilities;
import javax.swing.UIManager;
import javax.swing.border.EmptyBorder;
import javax.swing.event.ListSelectionEvent;
import javax.swing.event.ListSelectionListener;
import javax.swing.filechooser.FileFilter;
import javax.swing.filechooser.FileSystemView;
import javax.swing.plaf.ActionMapUIResource;
import javax.swing.plaf.ComponentUI;
import javax.swing.plaf.basic.BasicDirectoryModel;
import javax.swing.plaf.basic.BasicFileChooserUI;
import sun.awt.shell.ShellFolder;
import sun.swing.FilePane;
public class SIIDMetalFileChooserUI extends BasicFileChooserUI {
// Much of the Metal UI for JFilechooser is just a copy of
// the windows implementation, but using Metal themed buttons, lists,
// icons, etc. We are planning a complete rewrite, and hence we've
// made most things in this class private.
private JLabel lookInLabel;
private JComboBox directoryComboBox;
private DirectoryComboBoxModel directoryComboBoxModel;
private Action directoryComboBoxAction = new DirectoryComboBoxAction();
private Action fileNameComboBoxAction = new FileNameComboBoxAction();
private FilterComboBoxModel filterComboBoxModel;
private JComboBox fileNameComboBox;
private FileNameComboBoxModel fileNameComboBoxModel;
private Vector path;
private FilePane filePane;
private JToggleButton listViewButton;
private JToggleButton detailsViewButton;
private boolean useShellFolder;
private JButton approveButton;
private JButton cancelButton;
private JPanel buttonPanel;
private JPanel bottomPanel;
private JComboBox filterComboBox;
private static final Dimension hstrut5 = new Dimension(5,1);
private static final Dimension hstrut11 = new Dimension(11, 1);
private static final Dimension vstrut5 = new Dimension(1, 5);
private static final Insets shrinkwrap = new Insets(0,0,0,0);
// Preferred and Minimum sizes for the dialog box
private static int PREF_WIDTH = 500;
private static int PREF_HEIGHT = 326;
private static Dimension PREF_SIZE = new Dimension(PREF_WIDTH, PREF_HEIGHT);
private static int MIN_WIDTH = 500;
private static int MIN_HEIGHT = 326;
private static Dimension MIN_SIZE = new Dimension(MIN_WIDTH, MIN_HEIGHT);
private static int LIST_PREF_WIDTH = 405;
private static int LIST_PREF_HEIGHT = 135;
private static Dimension LIST_PREF_SIZE = new Dimension(LIST_PREF_WIDTH, LIST_PREF_HEIGHT);
// Labels, mnemonics, and tooltips (oh my!)
private intlookInLabelMnemonic = 0;
private String lookInLabelText = null;
private String saveInLabelText = null;
private intfileNameLabelMnemonic = 0;
private String fileNameLabelText = null;
private intfilesOfTypeLabelMnemonic = 0;
private String filesOfTypeLabelText = null;
private String upFolderToolTipText = null;
private String upFolderAccessibleName = null;
private String homeFolderToolTipText = null;
private String homeFolderAccessibleName = null;
private String newFolderToolTipText = null;
private String newFolderAccessibleName = null;
private String listViewButtonToolTipText = null;
private String listViewButtonAccessibleName = null;
private String detailsViewButtonToolTipText = null;
private String detailsViewButtonAccessibleName = null;
private SIIDCommonWin common = null;
//
// ComponentUI Interface Implementation methods
//
public static ComponentUI createUI(JComponent c) {
return new SIIDMetalFileChooserUI((JFileChooser) c);
}
public SIIDMetalFileChooserUI(JFileChooser filechooser) {
super(filechooser);
common = new SIIDCommonWin();
}
public void installUI(JComponent c) {
super.installUI(c);
}
public void uninstallComponents(JFileChooser fc) {
fc.removeAll();
bottomPanel = null;
buttonPanel = null;
}
private class MetalFileChooserUIAccessor implements FilePane.FileChooserUIAccessor {
public JFileChooser getFileChooser() {
return SIIDMetalFileChooserUI.this.getFileChooser();
}
public BasicDirectoryModel getModel() {
return SIIDMetalFileChooserUI.this.getModel();
}
public JPanel createList() {
return SIIDMetalFileChooserUI.this.createList(getFileChooser());
}
public JPanel createDetailsView() {
return SIIDMetalFileChooserUI.this.createDetailsView(getFileChooser());
}
public boolean isDirectorySelected() {
return SIIDMetalFileChooserUI.this.isDirectorySelected();
}
public File getDirectory() {
return SIIDMetalFileChooserUI.this.getDirectory();
}
public Action getChangeToParentDirectoryAction() {
return SIIDMetalFileChooserUI.this.getChangeToParentDirectoryAction();
}
public Action getApproveSelectionAction() {
return SIIDMetalFileChooserUI.this.getApproveSelectionAction();
}
public Action getNewFolderAction() {
return SIIDMetalFileChooserUI.this.getNewFolderAction();
}
public MouseListener createDoubleClickListener(JList list) {
return SIIDMetalFileChooserUI.this.createDoubleClickListener(getFileChooser(),
list);
}
public ListSelectionListener createListSelectionListener() {
return SIIDMetalFileChooserUI.this.createListSelectionListener(getFileChooser());
}
}
public void installComponents(JFileChooser fc) {
FileSystemView fsv = fc.getFileSystemView();
fc.setBorder(new EmptyBorder(12, 12, 11, 11));
fc.setLayout(new BorderLayout(0, 11));
filePane = new FilePane(new MetalFileChooserUIAccessor());
fc.addPropertyChangeListener(filePane);
updateUseShellFolder();
// ********************************* //
// **** Construct the top panel **** //
// ********************************* //
// Directory manipulation buttons
JPanel topPanel = new JPanel(new BorderLayout(11, 0));
JPanel topButtonPanel = new JPanel();
topButtonPanel.setLayout(new BoxLayout(topButtonPanel, BoxLayout.LINE_AXIS));
topPanel.add(topButtonPanel, BorderLayout.AFTER_LINE_ENDS);
// Add the top panel to the fileChooser
fc.add(topPanel, BorderLayout.NORTH);
// ComboBox Label
lookInLabel = new JLabel(lookInLabelText);
lookInLabel.setDisplayedMnemonic(lookInLabelMnemonic);
topPanel.add(lookInLabel, BorderLayout.BEFORE_LINE_BEGINS);
// CurrentDir ComboBox
directoryComboBox = new JComboBox() {
public Dimension getPreferredSize() {
Dimension d = super.getPreferredSize();
// Must be small enough to not affect total width.
d.width = 150;
return d;
}
};
directoryComboBox.getAccessibleContext().setAccessibleDescription(lookInLabelText);
directoryComboBox.putClientProperty( "JComboBox.isTableCellEditor", Boolean.TRUE );
lookInLabel.setLabelFor(directoryComboBox);
directoryComboBoxModel = createDirectoryComboBoxModel(fc);
directoryComboBox.setModel(directoryComboBoxModel);
directoryComboBox.addActionListener(directoryComboBoxAction);
directoryComboBox.setRenderer(createDirectoryComboBoxRenderer(fc));
directoryComboBox.setAlignmentX(JComponent.LEFT_ALIGNMENT);
directoryComboBox.setAlignmentY(JComponent.TOP_ALIGNMENT);
directoryComboBox.setMaximumRowCount(8);
topPanel.add(directoryComboBox, BorderLayout.CENTER);
// Up Button
JButton upFolderButton = new JButton(getChangeToParentDirectoryAction());
upFolderButton.setText(null);
upFolderButton.setIcon(upFolderIcon);
upFolderButton.setToolTipText(upFolderToolTipText);
upFolderButton.getAccessibleContext().setAccessibleName(upFolderAccessibleName);
upFolderButton.setAlignmentX(JComponent.LEFT_ALIGNMENT);
upFolderButton.setAlignmentY(JComponent.CENTER_ALIGNMENT);
upFolderButton.setMargin(shrinkwrap);
topButtonPanel.add(upFolderButton);
topButtonPanel.add(Box.createRigidArea(hstrut5));
// Home Button
File homeDir = fsv.getHomeDirectory();
String toolTipText = homeFolderToolTipText;
if (fsv.isRoot(homeDir)) {
toolTipText = getFileView(fc).getName(homeDir); // Probably "Desktop".
}
JButton b = new JButton(UIManager.getIcon("FileChooser.homeFolderIcon"));
b.setToolTipText(toolTipText);
b.getAccessibleContext().setAccessibleName(homeFolderAccessibleName);
b.setAlignmentX(JComponent.LEFT_ALIGNMENT);
b.setAlignmentY(JComponent.CENTER_ALIGNMENT);
b.setMargin(shrinkwrap);
b.addActionListener(getGoHomeAction());
topButtonPanel.add(b);
topButtonPanel.add(Box.createRigidArea(hstrut5));
// New Directory Button
if (!UIManager.getBoolean("FileChooser.readOnly")) {
b = new JButton(filePane.getNewFolderAction());
b.setText(null);
b.setIcon(newFolderIcon);
b.setToolTipText(newFolderToolTipText);
b.getAccessibleContext().setAccessibleName(newFolderAccessibleName);
b.setAlignmentX(JComponent.LEFT_ALIGNMENT);
b.setAlignmentY(JComponent.CENTER_ALIGNMENT);
b.setMargin(shrinkwrap);
}
topButtonPanel.add(b);
topButtonPanel.add(Box.createRigidArea(hstrut5));
// View button group
ButtonGroup viewButtonGroup = new ButtonGroup();
// List Button
listViewButton = new JToggleButton(listViewIcon);
listViewButton.setToolTipText(listViewButtonToolTipText);
listViewButton.getAccessibleContext().setAccessibleName(listViewButtonAccessibleName);
listViewButton.setSelected(true);
listViewButton.setAlignmentX(JComponent.LEFT_ALIGNMENT);
listViewButton.setAlignmentY(JComponent.CENTER_ALIGNMENT);
listViewButton.setMargin(shrinkwrap);
listViewButton.addActionListener(filePane.getViewTypeAction(FilePane.VIEWTYPE_LIST));
topButtonPanel.add(listViewButton);
viewButtonGroup.add(listViewButton);
// Details Button
detailsViewButton = new JToggleButton(detailsViewIcon);
detailsViewButton.setToolTipText(detailsViewButtonToolTipText);
detailsViewButton.getAccessibleContext().setAccessibleName(detailsViewButtonAccessibleName);
detailsViewButton.setAlignmentX(JComponent.LEFT_ALIGNMENT);
detailsViewButton.setAlignmentY(JComponent.CENTER_ALIGNMENT);
detailsViewButton.setMargin(shrinkwrap);
detailsViewButton.addActionListener(filePane.getViewTypeAction(FilePane.VIEWTYPE_DETAILS));
topButtonPanel.add(detailsViewButton);
viewButtonGroup.add(detailsViewButton);
filePane.addPropertyChangeListener(new PropertyChangeListener() {
public void propertyChange(PropertyChangeEvent e) {
if ("viewType".equals(e.getPropertyName())) {
int viewType = filePane.getViewType();
switch (viewType) {
case FilePane.VIEWTYPE_LIST:
listViewButton.setSelected(true);
break;
case FilePane.VIEWTYPE_DETAILS:
detailsViewButton.setSelected(true);
break;
}
}
}
});
// ************************************** //
// ******* Add the directory pane ******* //
// ************************************** //
fc.add(getAccessoryPanel(), BorderLayout.AFTER_LINE_ENDS);
JComponent accessory = fc.getAccessory();
if(accessory != null) {
getAccessoryPanel().add(accessory);
}
filePane.setPreferredSize(LIST_PREF_SIZE);
fc.add(filePane, BorderLayout.CENTER);
// ********************************** //
// **** Construct the bottom panel ** //
// ********************************** //
JPanel bottomPanel = getBottomPanel();
bottomPanel.setLayout(new BoxLayout(bottomPanel, BoxLayout.Y_AXIS));
fc.add(bottomPanel, BorderLayout.SOUTH);
// FileName label and textfield
JPanel fileNamePanel = new JPanel();
fileNamePanel.setLayout(new BoxLayout(fileNamePanel, BoxLayout.LINE_AXIS));
bottomPanel.add(fileNamePanel);
bottomPanel.add(Box.createRigidArea(vstrut5));
AlignedLabel fileNameLabel = new AlignedLabel(fileNameLabelText);
fileNameLabel.setDisplayedMnemonic(fileNameLabelMnemonic);
fileNamePanel.add(fileNameLabel,BorderLayout.BEFORE_LINE_BEGINS);
fileNameComboBox = new JComboBox() {
public Dimension getPreferredSize() {
Dimension d = super.getPreferredSize();
// Must be small enough to not affect total width.
d.width = 150;
return d;
}
};
fileNameComboBox.setEditable(true);
fileNameComboBox.getAccessibleContext().setAccessibleDescription(fileNameLabelText);
fileNameComboBox.putClientProperty( "JComboBox.isTableCellEditor", Boolean.TRUE );
fileNameLabel.setLabelFor(fileNameComboBox);
fileNameComboBoxModel = createFileNameComboBoxModel(fc);
fileNameComboBox.setModel(fileNameComboBoxModel);
fileNameComboBox.addActionListener(fileNameComboBoxAction);
fileNameComboBox.setRenderer(createFileNameComboBoxRenderer(fc));
fileNameComboBox.setAlignmentX(JComponent.LEFT_ALIGNMENT);
fileNameComboBox.setAlignmentY(JComponent.TOP_ALIGNMENT);
fileNameComboBox.setMaximumRowCount(8);
if(SIIDCommonWin.ClientCache != null && SIIDCommonWin.ClientCache.size() > 0) {
for(File str : SIIDCommonWin.ClientCache) {
fileNameComboBoxModel.addItem(str);
}
}
fileNamePanel.add(fileNameComboBox);
fileNameComboBox.addFocusListener(
new FocusListener() {
public void focusGained(FocusEvent e) {
if (!getFileChooser().isMultiSelectionEnabled()) {
filePane.clearSelection();
}
}
public void focusLost(FocusEvent e) {
}}
);
if (fc.isMultiSelectionEnabled()) {
setFileName(fileNameString(fc.getSelectedFiles()));
} else {
if(fc.getSelectedFile()!= null)
setFileName(fileNameString(fc.getSelectedFile()));
}
// Filetype label and combobox
JPanel filesOfTypePanel = new JPanel();
filesOfTypePanel.setLayout(new BoxLayout(filesOfTypePanel, BoxLayout.LINE_AXIS));
bottomPanel.add(filesOfTypePanel);
AlignedLabel filesOfTypeLabel = new AlignedLabel(filesOfTypeLabelText);
filesOfTypeLabel.setDisplayedMnemonic(filesOfTypeLabelMnemonic);
filesOfTypePanel.add(filesOfTypeLabel);
filterComboBoxModel = createFilterComboBoxModel();
fc.addPropertyChangeListener(filterComboBoxModel);
filterComboBox = new JComboBox(filterComboBoxModel);
filterComboBox.getAccessibleContext().setAccessibleDescription(filesOfTypeLabelText);
filesOfTypeLabel.setLabelFor(filterComboBox);
filterComboBox.setRenderer(createFilterComboBoxRenderer());
filesOfTypePanel.add(filterComboBox);
// buttons
getButtonPanel().setLayout(new ButtonAreaLayout());
approveButton = new JButton(getApproveButtonText(fc));
// Note: Metal does not use mnemonics for approve and cancel
approveButton.addActionListener(getApproveSelectionAction());
approveButton.setToolTipText(getApproveButtonToolTipText(fc));
getButtonPanel().add(approveButton);
cancelButton = new JButton(cancelButtonText);
cancelButton.setToolTipText(cancelButtonToolTipText);
cancelButton.addActionListener(getCancelSelectionAction());
getButtonPanel().add(cancelButton);
if(fc.getControlButtonsAreShown()) {
addControlButtons();
}
groupLabels(new AlignedLabel[] { fileNameLabel, filesOfTypeLabel });
}
private void updateUseShellFolder() {
// Decide whether to use the ShellFolder class to populate shortcut
// panel and combobox.
JFileChooser fc = getFileChooser();
Boolean prop =
(Boolean)fc.getClientProperty("FileChooser.useShellFolder");
if (prop != null) {
useShellFolder = prop.booleanValue();
} else {
// See if FileSystemView.getRoots() returns the desktop folder,
// i.e. the normal Windows hierarchy.
useShellFolder = false;
File[] roots = fc.getFileSystemView().getRoots();
if (roots != null && roots.length == 1) {
File[] cbFolders = (File[])ShellFolder.get("fileChooserComboBoxFolders");
if (cbFolders != null && cbFolders.length > 0 && roots[0] == cbFolders[0]) {
useShellFolder = true;
}
}
}
}
protected JPanel getButtonPanel() {
if (buttonPanel == null) {
buttonPanel = new JPanel();
}
return buttonPanel;
}
protected JPanel getBottomPanel() {
if(bottomPanel == null) {
bottomPanel = new JPanel();
}
return bottomPanel;
}
protected void installStrings(JFileChooser fc) {
super.installStrings(fc);
Locale l = fc.getLocale();
lookInLabelMnemonic = UIManager.getInt("FileChooser.lookInLabelMnemonic");
lookInLabelText = UIManager.getString("FileChooser.lookInLabelText",l);
saveInLabelText = UIManager.getString("FileChooser.saveInLabelText",l);
fileNameLabelMnemonic = UIManager.getInt("FileChooser.fileNameLabelMnemonic");
fileNameLabelText = UIManager.getString("FileChooser.fileNameLabelText",l);
filesOfTypeLabelMnemonic = UIManager.getInt("FileChooser.filesOfTypeLabelMnemonic");
filesOfTypeLabelText = UIManager.getString("FileChooser.filesOfTypeLabelText",l);
upFolderToolTipText = UIManager.getString("FileChooser.upFolderToolTipText",l);
upFolderAccessibleName = UIManager.getString("FileChooser.upFolderAccessibleName",l);
homeFolderToolTipText = UIManager.getString("FileChooser.homeFolderToolTipText",l);
homeFolderAccessibleName = UIManager.getString("FileChooser.homeFolderAccessibleName",l);
newFolderToolTipText = UIManager.getString("FileChooser.newFolderToolTipText",l);
newFolderAccessibleName = UIManager.getString("FileChooser.newFolderAccessibleName",l);
listViewButtonToolTipText = UIManager.getString("FileChooser.listViewButtonToolTipText",l);
listViewButtonAccessibleName = UIManager.getString("FileChooser.listViewButtonAccessibleName",l);
detailsViewButtonToolTipText = UIManager.getString("FileChooser.detailsViewButtonToolTipText",l);
detailsViewButtonAccessibleName = UIManager.getString("FileChooser.detailsViewButtonAccessibleName",l);
}
protected void installListeners(JFileChooser fc) {
super.installListeners(fc);
ActionMap actionMap = getActionMap();
SwingUtilities.replaceUIActionMap(fc, actionMap);
}
protected ActionMap getActionMap() {
return createActionMap();
}
protected ActionMap createActionMap() {
ActionMap map = new ActionMapUIResource();
FilePane.addActionsToMap(map, filePane.getActions());
return map;
}
protected JPanel createList(JFileChooser fc) {
return filePane.createList();
}
protected JPanel createDetailsView(JFileChooser fc) {
return filePane.createDetailsView();
}
/**
* Creates a selection listener for the list of files and directories.
*
* @param fc a <code>JFileChooser</code>
* @return a <code>ListSelectionListener</code>
*/
public ListSelectionListener createListSelectionListener(JFileChooser fc) {
return super.createListSelectionListener(fc);
}
// Obsolete class, not used in this version.
protected class SingleClickListener extends MouseAdapter {
public SingleClickListener(JList list) {
}
}
// Obsolete class, not used in this version.
protected class FileRenderer extends DefaultListCellRenderer {
}
public void uninstallUI(JComponent c) {
// Remove listeners
c.removePropertyChangeListener(filterComboBoxModel);
c.removePropertyChangeListener(filePane);
cancelButton.removeActionListener(getCancelSelectionAction());
approveButton.removeActionListener(getApproveSelectionAction());
fileNameComboBox.removeActionListener(getApproveSelectionAction());
super.uninstallUI(c);
}
/**
* Returns the preferred size of the specified
* <code>JFileChooser</code>.
* The preferred size is at least as large,
* in both height and width,
* as the preferred size recommended
* by the file chooser's layout manager.
*
* @param c a <code>JFileChooser</code>
* @returna <code>Dimension</code> specifying the preferred
*width and height of the file chooser
*/
public Dimension getPreferredSize(JComponent c) {
int prefWidth = PREF_SIZE.width;
Dimension d = c.getLayout().preferredLayoutSize(c);
if (d != null) {
return new Dimension(d.width < prefWidth ? prefWidth : d.width,
d.height < PREF_SIZE.height ? PREF_SIZE.height : d.height);
} else {
return new Dimension(prefWidth, PREF_SIZE.height);
}
}
/**
* Returns the minimum size of the <code>JFileChooser</code>.
*
* @param c a <code>JFileChooser</code>
* @returna <code>Dimension</code> specifying the minimum
*width and height of the file chooser
*/
public Dimension getMinimumSize(JComponent c) {
return MIN_SIZE;
}
/**
* Returns the maximum size of the <code>JFileChooser</code>.
*
* @param c a <code>JFileChooser</code>
* @returna <code>Dimension</code> specifying the maximum
*width and height of the file chooser
*/
public Dimension getMaximumSize(JComponent c) {
return new Dimension(Integer.MAX_VALUE, Integer.MAX_VALUE);
}
private String fileNameString(File file) {
if (file == null) {
return null;
} else {
JFileChooser fc = getFileChooser();
if (fc.isDirectorySelectionEnabled() && !fc.isFileSelectionEnabled()) {
return file.getPath();
} else {
return file.getName();
}
}
}
private String fileNameString(File[] files) {
StringBuffer buf = new StringBuffer();
for (int i = 0; files != null && i < files.length; i++) {
if (i > 0) {
buf.append(" ");
}
if (files.length > 1) {
buf.append("\"");
}
buf.append(fileNameString(files));
if (files.length > 1) {
buf.append("\"");
}
}
return buf.toString();
}
/* The following methods are used by the PropertyChange Listener */
private void doSelectedFileChanged(PropertyChangeEvent e) {
File f = (File) e.getNewValue();
JFileChooser fc = getFileChooser();
if (f != null
&& ((fc.isFileSelectionEnabled() && !f.isDirectory())
|| (f.isDirectory() && fc.isDirectorySelectionEnabled()))) {
setFileName(fileNameString(f));
//fileNameComboBoxModel.addItem(f);
}
}
private void doSelectedFilesChanged(PropertyChangeEvent e) {
File[] files = (File[]) e.getNewValue();
JFileChooser fc = getFileChooser();
if (files != null
&& files.length > 0
&& (files.length > 1 || fc.isDirectorySelectionEnabled() || !files[0].isDirectory())) {
setFileName(fileNameString(files));
}
}
private void doDirectoryChanged(PropertyChangeEvent e) {
JFileChooser fc = getFileChooser();
FileSystemView fsv = fc.getFileSystemView();
clearIconCache();
File currentDirectory = fc.getCurrentDirectory();
if(currentDirectory != null) {
directoryComboBoxModel.addItem(currentDirectory);
if (fc.isDirectorySelectionEnabled() && !fc.isFileSelectionEnabled()) {
if (fsv.isFileSystem(currentDirectory)) {
setFileName(currentDirectory.getPath());
} else {
setFileName(null);
}
}
}
}
private void doDirectoryChanged1(PropertyChangeEvent e) {
JFileChooser fc = getFileChooser();
FileSystemView fsv = fc.getFileSystemView();
clearIconCache();
File currentDirectory = fc.getCurrentDirectory();
if(currentDirectory != null) {
fileNameComboBoxModel.addItem(currentDirectory);
if (fc.isDirectorySelectionEnabled() && !fc.isFileSelectionEnabled()) {
if (fsv.isFileSystem(currentDirectory)) {
setFileName(currentDirectory.getPath());
} else {
setFileName(null);
}
}
}
}
private void doFilterChanged(PropertyChangeEvent e) {
clearIconCache();
}
private void doFileSelectionModeChanged(PropertyChangeEvent e) {
clearIconCache();
JFileChooser fc = getFileChooser();
File currentDirectory = fc.getCurrentDirectory();
if (currentDirectory != null
&& fc.isDirectorySelectionEnabled()
&& !fc.isFileSelectionEnabled()
&& fc.getFileSystemView().isFileSystem(currentDirectory)) {
setFileName(currentDirectory.getPath());
} else {
setFileName(null);
}
}
private void doAccessoryChanged(PropertyChangeEvent e) {
if(getAccessoryPanel() != null) {
if(e.getOldValue() != null) {
getAccessoryPanel().remove((JComponent) e.getOldValue());
}
JComponent accessory = (JComponent) e.getNewValue();
if(accessory != null) {
getAccessoryPanel().add(accessory, BorderLayout.CENTER);
}
}
}
private void doApproveButtonTextChanged(PropertyChangeEvent e) {
JFileChooser chooser = getFileChooser();
approveButton.setText(getApproveButtonText(chooser));
approveButton.setToolTipText(getApproveButtonToolTipText(chooser));
}
private void doDialogTypeChanged(PropertyChangeEvent e) {
JFileChooser chooser = getFileChooser();
approveButton.setText(getApproveButtonText(chooser));
approveButton.setToolTipText(getApproveButtonToolTipText(chooser));
if (chooser.getDialogType() == JFileChooser.SAVE_DIALOG) {
lookInLabel.setText(saveInLabelText);
} else {
lookInLabel.setText(lookInLabelText);
}
}
private void doApproveButtonMnemonicChanged(PropertyChangeEvent e) {
// Note: Metal does not use mnemonics for approve and cancel
}
private void doControlButtonsChanged(PropertyChangeEvent e) {
if(getFileChooser().getControlButtonsAreShown()) {
addControlButtons();
} else {
removeControlButtons();
}
}
/*
* Listen for filechooser property changes, such as
* the selected file changing, or the type of the dialog changing.
*/
public PropertyChangeListener createPropertyChangeListener(JFileChooser fc) {
return new PropertyChangeListener() {
public void propertyChange(PropertyChangeEvent e) {
String s = e.getPropertyName();
if(s.equals(JFileChooser.SELECTED_FILE_CHANGED_PROPERTY)) {
doSelectedFileChanged(e);
} else if (s.equals(JFileChooser.SELECTED_FILES_CHANGED_PROPERTY)) {
doSelectedFilesChanged(e);
} else if(s.equals(JFileChooser.DIRECTORY_CHANGED_PROPERTY)) {
doDirectoryChanged(e);
} else if(s.equals(JFileChooser.FILE_FILTER_CHANGED_PROPERTY)) {
doFilterChanged(e);
} else if(s.equals(JFileChooser.FILE_SELECTION_MODE_CHANGED_PROPERTY)) {
doFileSelectionModeChanged(e);
} else if(s.equals(JFileChooser.ACCESSORY_CHANGED_PROPERTY)) {
doAccessoryChanged(e);
} else if (s.equals(JFileChooser.APPROVE_BUTTON_TEXT_CHANGED_PROPERTY) ||
s.equals(JFileChooser.APPROVE_BUTTON_TOOL_TIP_TEXT_CHANGED_PROPERTY)) {
doApproveButtonTextChanged(e);
} else if(s.equals(JFileChooser.DIALOG_TYPE_CHANGED_PROPERTY)) {
doDialogTypeChanged(e);
} else if(s.equals(JFileChooser.APPROVE_BUTTON_MNEMONIC_CHANGED_PROPERTY)) {
doApproveButtonMnemonicChanged(e);
} else if(s.equals(JFileChooser.CONTROL_BUTTONS_ARE_SHOWN_CHANGED_PROPERTY)) {
doControlButtonsChanged(e);
} else if (s.equals("componentOrientation")) {
ComponentOrientation o = (ComponentOrientation)e.getNewValue();
JFileChooser cc = (JFileChooser)e.getSource();
if (o != (ComponentOrientation)e.getOldValue()) {
cc.applyComponentOrientation(o);
}
} else if (s == "FileChooser.useShellFolder") {
updateUseShellFolder();
doDirectoryChanged(e);
} else if (s.equals("ancestor")) {
if (e.getOldValue() == null && e.getNewValue() != null) {
// Ancestor was added, set initial focus
//fileNameTextField.selectAll();
fileNameComboBox.requestFocus();
}
}
}
};
}
protected void removeControlButtons() {
getBottomPanel().remove(getButtonPanel());
}
protected void addControlButtons() {
getBottomPanel().add(getButtonPanel());
}
public void ensureFileIsVisible(JFileChooser fc, File f) {
filePane.ensureFileIsVisible(fc, f);
if(f != null){
((JTextField)((ComboBoxEditor)fileNameComboBox.getEditor()).getEditorComponent()).setText(f.getName().toString());
}
}
public void rescanCurrentDirectory(JFileChooser fc) {
filePane.rescanCurrentDirectory();
}
public String getFileName() {
if((((JTextField)((ComboBoxEditor)fileNameComboBox.getEditor()).getEditorComponent())).getText().length() !=0){
return (((JTextField)((ComboBoxEditor)fileNameComboBox.getEditor()).getEditorComponent())).getText();
} else {
return null;
}
}
public void setFileName(String filename) {
if((((JTextField)((ComboBoxEditor)fileNameComboBox.getEditor()).getEditorComponent())).getText().length() !=0){
((JTextField)((ComboBoxEditor)fileNameComboBox.getEditor()).getEditorComponent()).setText(filename);
}
}
/**
* Property to remember whether a directory is currently selected in the UI.
* This is normally called by the UI on a selection event.
*
* @param directorySelected if a directory is currently selected.
* @since 1.4
*/
protected void setDirectorySelected(boolean directorySelected) {
super.setDirectorySelected(directorySelected);
JFileChooser chooser = getFileChooser();
if(directorySelected) {
if (approveButton != null) {
approveButton.setText(directoryOpenButtonText);
approveButton.setToolTipText(directoryOpenButtonToolTipText);
}
} else {
if (approveButton != null) {
approveButton.setText(getApproveButtonText(chooser));
approveButton.setToolTipText(getApproveButtonToolTipText(chooser));
}
}
}
public String getDirectoryName() {
// PENDING(jeff) - get the name from the directory combobox
return null;
}
public void setDirectoryName(String dirname) {
// PENDING(jeff) - set the name in the directory combobox
}
protected DirectoryComboBoxRenderer createDirectoryComboBoxRenderer(JFileChooser fc) {
return new DirectoryComboBoxRenderer();
}
//
// Renderer for DirectoryComboBox
//
class DirectoryComboBoxRenderer extends DefaultListCellRenderer {
IndentIcon ii = new IndentIcon();
public Component getListCellRendererComponent(JList list, Object value,
int index, boolean isSelected,
boolean cellHasFocus) {
super.getListCellRendererComponent(list, value, index, isSelected, cellHasFocus);
if (value == null) {
setText("");
return this;
}
File directory = (File)value;
setText(getFileChooser().getName(directory));
Icon icon = getFileChooser().getIcon(directory);
ii.icon = icon;
ii.depth = directoryComboBoxModel.getDepth(index);
setIcon(ii);
return this;
}
}
final static int space = 10;
class IndentIcon implements Icon {
Icon icon = null;
int depth = 0;
public void paintIcon(Component c, Graphics g, int x, int y) {
if (c.getComponentOrientation().isLeftToRight()) {
icon.paintIcon(c, g, x+depth*space, y);
} else {
icon.paintIcon(c, g, x, y);
}
}
public int getIconWidth() {
return icon.getIconWidth() + depth*space;
}
public int getIconHeight() {
return icon.getIconHeight();
}
}
//
// DataModel for FileNameComboBox
//
protected FileNameComboBoxModel createFileNameComboBoxModel(JFileChooser fc) {
return new FileNameComboBoxModel();
}
/**
* Data model for a type-face selection combo-box.
*/
protected class FileNameComboBoxModel extends AbstractListModel implements ComboBoxModel {
Vector directories = new Vector();
int[] depths = null;
File selectedDirectory = null;
JFileChooser chooser = getFileChooser();
FileSystemView fsv = chooser.getFileSystemView();
public FileNameComboBoxModel() {
// Add the current directory to the model, and make it the
// selectedDirectory
File dir = getFileChooser().getCurrentDirectory();
if(dir != null) {
addItem(dir);
}
}
/**
* Adds the directory to the model and sets it to be selected,
* additionally clears out the previous selected directory and
* the paths leading up to it, if any.
*/
private void addItem(File directory) {
if (directory == null) {
return;
}
directories.clear();
File[] baseFolders;
if (useShellFolder) {
baseFolders = (File[]) ShellFolder
.get("fileChooserComboBoxFolders");
} else {
baseFolders = fsv.getRoots();
}
// directories.addAll(Arrays.asList(baseFolders));
// Get the canonical (full) path. This has the side
// benefit of removing extraneous chars from the path,
// for example /foo/bar/ becomes /foo/bar
File canonical = null;
try {
canonical = directory.getCanonicalFile();
} catch (IOException e) {
// Maybe drive is not ready. Can't abort here.
canonical = directory;
}
// create File instances of each directory leading up to the top
try {
File sf = useShellFolder ? ShellFolder
.getShellFolder(canonical) : canonical;
File f = sf;
path = new Vector(10);
do {
path.addElement(f);
} while ((f = f.getParentFile()) != null);
// int pathCount = path.size();
// Insert chain at appropriate place in vector
/*
* for (int i = 0; i < pathCount; i++) { f = (File)path.get(i);
* if (directories.contains(f)) { int topIndex =
* directories.indexOf(f); for (int j = i-1; j >= 0; j--) {
* directories.insertElementAt(path.get(j), topIndex+i-j); }
* break; } }
*/
calculateDepths();
setSelectedItem(sf);
} catch (FileNotFoundException ex) {
calculateDepths();
}
}
private void calculateDepths() {
depths = new int[directories.size()];
for (int i = 0; i < depths.length; i++) {
File dir = (File)directories.get(i);
File parent = dir.getParentFile();
depths = 0;
if (parent != null) {
for (int j = i-1; j >= 0; j--) {
if (parent.equals((File)directories.get(j))) {
depths = depths[j] + 1;
break;
}
}
}
}
}
public int getDepth(int i) {
return (depths != null && i >= 0 && i < depths.length) ? depths : 0;
}
public void setSelectedItem(Object selectedDirectory) {
if(!"".equals(selectedDirectory)){
this.selectedDirectory = (File)selectedDirectory;
}
fireContentsChanged(this, -1, -1);
}
public Object getSelectedItem() {
return selectedDirectory;
}
public int getSize() {
return directories.size();
}
public Object getElementAt(int index) {
return directories.elementAt(index);
}
}
protected FileNameComboBoxRenderer createFileNameComboBoxRenderer(JFileChooser fc) {
return new FileNameComboBoxRenderer();
}
//
// Renderer for DirectoryComboBox
//
class FileNameComboBoxRenderer extends DefaultListCellRenderer {
IndentIcon ii = new IndentIcon();
public Component getListCellRendererComponent(JList list, Object value,
int index, boolean isSelected,
boolean cellHasFocus) {
super.getListCellRendererComponent(list, value, index, isSelected, cellHasFocus);
if (value == null) {
setText(" ");
return this;
}
File directory = (File)value;
setText(getFileChooser().getName(directory));
Icon icon = getFileChooser().getIcon(directory);
ii.icon = icon;
ii.depth = fileNameComboBoxModel.getDepth(index);
setIcon(ii);
return this;
}
}
//
// DataModel for DirectoryComboxbox
//
protected DirectoryComboBoxModel createDirectoryComboBoxModel(JFileChooser fc) {
return new DirectoryComboBoxModel();
}
/**
* Data model for a type-face selection combo-box.
*/
protected class DirectoryComboBoxModel extends AbstractListModel implements ComboBoxModel {
Vector directories = new Vector();
int[] depths = null;
File selectedDirectory = null;
JFileChooser chooser = getFileChooser();
FileSystemView fsv = chooser.getFileSystemView();
public DirectoryComboBoxModel() {
// Add the current directory to the model, and make it the
// selectedDirectory
File dir = getFileChooser().getCurrentDirectory();
if(dir != null) {
addItem(dir);
}
}
/**
* Adds the directory to the model and sets it to be selected,
* additionally clears out the previous selected directory and
* the paths leading up to it, if any.
*/
private void addItem(File directory) {
if(directory == null) {
return;
}
directories.clear();
File[] baseFolders;
if (useShellFolder) {
baseFolders = (File[])ShellFolder.get("fileChooserComboBoxFolders");
} else {
baseFolders = fsv.getRoots();
}
directories.addAll(Arrays.asList(baseFolders));
// Get the canonical (full) path. This has the side
// benefit of removing extraneous chars from the path,
// for example /foo/bar/ becomes /foo/bar
File canonical = null;
try {
canonical = directory.getCanonicalFile();
} catch (IOException e) {
// Maybe drive is not ready. Can't abort here.
canonical = directory;
}
// create File instances of each directory leading up to the top
try {
File sf = useShellFolder ? ShellFolder.getShellFolder(canonical)
: canonical;
File f = sf;
Vector path = new Vector(10);
do {
path.addElement(f);
} while ((f = fsv.getParentDirectory(f)) != null);
int pathCount = path.size();
// Insert chain at appropriate place in vector
for (int i = 0; i < pathCount; i++) {
f = (File)path.get(i);
if (directories.contains(f)) {
int topIndex = directories.indexOf(f);
for (int j = i-1; j >= 0; j--) {
directories.insertElementAt(path.get(j), topIndex+i-j);
}
break;
}
}
calculateDepths();
setSelectedItem(sf);
} catch (FileNotFoundException ex) {
calculateDepths();
}
}
private void calculateDepths() {
depths = new int[directories.size()];
for (int i = 0; i < depths.length; i++) {
File dir = (File)directories.get(i);
File parent = dir.getParentFile();
depths = 0;
if (parent != null) {
for (int j = i-1; j >= 0; j--) {
if (parent.equals((File)directories.get(j))) {
depths = depths[j] + 1;
break;
}
}
}
}
}
public int getDepth(int i) {
return (depths != null && i >= 0 && i < depths.length) ? depths : 0;
}
public void setSelectedItem(Object selectedDirectory) {
this.selectedDirectory = (File)selectedDirectory;
fireContentsChanged(this, -1, -1);
}
public Object getSelectedItem() {
return selectedDirectory;
}
public int getSize() {
return directories.size();
}
public Object getElementAt(int index) {
return directories.elementAt(index);
}
}
//
// Renderer for Types ComboBox
//
protected FilterComboBoxRenderer createFilterComboBoxRenderer() {
return new FilterComboBoxRenderer();
}
/**
* Render different type sizes and styles.
*/
public class FilterComboBoxRenderer extends DefaultListCellRenderer {
public Component getListCellRendererComponent(JList list,
Object value, int index, boolean isSelected,
boolean cellHasFocus) {
super.getListCellRendererComponent(list, value, index, isSelected, cellHasFocus);
if (value != null && value instanceof FileFilter) {
setText(((FileFilter)value).getDescription());
}
return this;
}
}
//
// DataModel for Types Comboxbox
//
protected FilterComboBoxModel createFilterComboBoxModel() {
return new FilterComboBoxModel();
}
/**
* Data model for a type-face selection combo-box.
*/
protected class FilterComboBoxModel extends AbstractListModel implements ComboBoxModel, PropertyChangeListener {
protected FileFilter[] filters;
protected FilterComboBoxModel() {
super();
filters = getFileChooser().getChoosableFileFilters();
}
public void propertyChange(PropertyChangeEvent e) {
String prop = e.getPropertyName();
if(prop == JFileChooser.CHOOSABLE_FILE_FILTER_CHANGED_PROPERTY) {
filters = (FileFilter[]) e.getNewValue();
fireContentsChanged(this, -1, -1);
} else if (prop == JFileChooser.FILE_FILTER_CHANGED_PROPERTY) {
fireContentsChanged(this, -1, -1);
}
}
public void setSelectedItem(Object filter) {
if(filter != null) {
getFileChooser().setFileFilter((FileFilter) filter);
setFileName(null);
fireContentsChanged(this, -1, -1);
}
}
public Object getSelectedItem() {
// Ensure that the current filter is in the list.
// NOTE: we shouldnt' have to do this, since JFileChooser adds
// the filter to the choosable filters list when the filter
// is set. Lets be paranoid just in case someone overrides
// setFileFilter in JFileChooser.
FileFilter currentFilter = getFileChooser().getFileFilter();
boolean found = false;
if(currentFilter != null) {
for(int i=0; i < filters.length; i++) {
if(filters == currentFilter) {
found = true;
}
}
if(found == false) {
getFileChooser().addChoosableFileFilter(currentFilter);
}
}
return getFileChooser().getFileFilter();
}
public int getSize() {
if(filters != null) {
return filters.length;
} else {
return 0;
}
}
public Object getElementAt(int index) {
if(index > getSize() - 1) {
// This shouldn't happen. Try to recover gracefully.
return getFileChooser().getFileFilter();
}
if(filters != null) {
return filters[index];
} else {
return null;
}
}
}
public void valueChanged(ListSelectionEvent e) {
JFileChooser fc = getFileChooser();
File f = fc.getSelectedFile();
if (!e.getValueIsAdjusting() && f != null && !getFileChooser().isTraversable(f)) {
setFileName(fileNameString(f));
}
}
/**
* Acts when FileNameComboBox has changed the selected item.
*/
protected class FileNameComboBoxAction extends AbstractAction {
protected FileNameComboBoxAction() {
super("FileNameComboBoxAction");
}
public void actionPerformed(ActionEvent e) {
fileNameComboBox.hidePopup();
File f = (File)fileNameComboBox.getSelectedItem();
if (!getFileChooser().getCurrentDirectory().equals(f)) {
getFileChooser().setCurrentDirectory(f);
}
}
}
/**
* Acts when DirectoryComboBox has changed the selected item.
*/
protected class DirectoryComboBoxAction extends AbstractAction {
protected DirectoryComboBoxAction() {
super("DirectoryComboBoxAction");
}
public void actionPerformed(ActionEvent e) {
directoryComboBox.hidePopup();
File f = (File)directoryComboBox.getSelectedItem();
if (!getFileChooser().getCurrentDirectory().equals(f)) {
getFileChooser().setCurrentDirectory(f);
}
}
}
protected JButton getApproveButton(JFileChooser fc) {
return approveButton;
}
/**
* <code>ButtonAreaLayout</code> behaves in a similar manner to
* <code>FlowLayout</code>. It lays out all components from left to
* right, flushed right. The widths of all components will be set
* to the largest preferred size width.
*/
private static class ButtonAreaLayout implements LayoutManager {
private int hGap = 5;
private int topMargin = 17;
public void addLayoutComponent(String string, Component comp) {
}
public void layoutContainer(Container container) {
Component[] children = container.getComponents();
if (children != null && children.length > 0) {
int numChildren = children.length;
Dimension[] sizes = new Dimension[numChildren];
Insetsinsets = container.getInsets();
int yLocation = insets.top + topMargin;
int maxWidth = 0;
for (int counter = 0; counter < numChildren; counter++) {
sizes[counter] = children[counter].getPreferredSize();
maxWidth = Math.max(maxWidth, sizes[counter].width);
}
int xLocation, xOffset;
if (container.getComponentOrientation().isLeftToRight()) {
xLocation = container.getSize().width - insets.left - maxWidth;
xOffset = hGap + maxWidth;
} else {
xLocation = insets.left;
xOffset = -(hGap + maxWidth);
}
for (int counter = numChildren - 1; counter >= 0; counter--) {
children[counter].setBounds(xLocation, yLocation,
maxWidth, sizes[counter].height);
xLocation -= xOffset;
}
}
}
public Dimension minimumLayoutSize(Container c) {
if (c != null) {
Component[] children = c.getComponents();
if (children != null && children.length > 0) {
intnumChildren = children.length;
intheight = 0;
InsetscInsets = c.getInsets();
intextraHeight = topMargin + cInsets.top + cInsets.bottom;
intextraWidth = cInsets.left + cInsets.right;
intmaxWidth = 0;
for (int counter = 0; counter < numChildren; counter++) {
Dimension aSize = children[counter].getPreferredSize();
height = Math.max(height, aSize.height);
maxWidth = Math.max(maxWidth, aSize.width);
}
return new Dimension(extraWidth + numChildren * maxWidth +
(numChildren - 1) * hGap,
extraHeight + height);
}
}
return new Dimension(0, 0);
}
public Dimension preferredLayoutSize(Container c) {
return minimumLayoutSize(c);
}
public void removeLayoutComponent(Component c) { }
}
private static void groupLabels(AlignedLabel[] group) {
for (int i = 0; i < group.length; i++) {
group.group = group;
}
}
private class AlignedLabel extends JLabel {
private AlignedLabel[] group;
private int maxWidth = 0;
AlignedLabel(String text) {
super(text);
setAlignmentX(JComponent.LEFT_ALIGNMENT);
}
public Dimension getPreferredSize() {
Dimension d = super.getPreferredSize();
// Align the width with all other labels in group.
return new Dimension(getMaxWidth() + 11, d.height);
}
private int getMaxWidth() {
if (maxWidth == 0 && group != null) {
int max = 0;
for (int i = 0; i < group.length; i++) {
max = Math.max(group.getSuperPreferredWidth(), max);
}
for (int i = 0; i < group.length; i++) {
group.maxWidth = max;
}
}
return maxWidth;
}
private int getSuperPreferredWidth() {
return super.getPreferredSize().width;
}
}
}
</code>
Here i want to get the Path into the FileNameComboBox when i select the file from listview.
Thanks in Advance
