private void changeDirectory(File dir) {
JFileChooser fc = getFileChooser();
// Traverse shortcuts on Windows
if (dir != null && FilePane.usesShellFolder(fc)) {
try {
ShellFolder shellFolder = ShellFolder.getShellFolder(dir);
if (shellFolder.isLink()) {
File linkedTo = shellFolder.getLinkLocation();
// If linkedTo is null we try to use dir
if (linkedTo != null) {
if (fc.isTraversable(linkedTo)) {
dir = linkedTo;
} else {
return;
}
} else {
dir = shellFolder;
}
}
} catch (FileNotFoundException ex) {
return;
}
}
fc.setCurrentDirectory(dir);
if (fc.getFileSelectionMode() == JFileChooser.FILES_AND_DIRECTORIES
&& fc.getFileSystemView().isFileSystem(dir)) {
setFileName(dir.getAbsolutePath());
}
}
public void valueChanged(ListSelectionEvent evt) {
if (!evt.getValueIsAdjusting()) {
JFileChooser chooser = getFileChooser();
FileSystemView fsv = chooser.getFileSystemView();
JList list = (JList) evt.getSource();
int fsm = chooser.getFileSelectionMode();
boolean useSetDirectory = usesSingleFilePane && (fsm == JFileChooser.FILES_ONLY);
if (chooser.isMultiSelectionEnabled()) {
File[] files = null;
Object[] objects = list.getSelectedValues();
if (objects != null) {
if (objects.length == 1
&& ((File) objects[0]).isDirectory()
&& chooser.isTraversable(((File) objects[0]))
&& (useSetDirectory || !fsv.isFileSystem(((File) objects[0])))) {
setDirectorySelected(true);
setDirectory(((File) objects[0]));
} else {
ArrayList<File> fList = new ArrayList<File>(objects.length);
for (Object object : objects) {
File f = (File) object;
boolean isDir = f.isDirectory();
if ((chooser.isFileSelectionEnabled() && !isDir)
|| (chooser.isDirectorySelectionEnabled() && fsv.isFileSystem(f) && isDir)) {
fList.add(f);
}
}
if (fList.size() > 0) {
files = fList.toArray(new File[fList.size()]);
}
setDirectorySelected(false);
}
}
chooser.setSelectedFiles(files);
} else {
File file = (File) list.getSelectedValue();
if (file != null
&& file.isDirectory()
&& chooser.isTraversable(file)
&& (useSetDirectory || !fsv.isFileSystem(file))) {
setDirectorySelected(true);
setDirectory(file);
if (usesSingleFilePane) {
chooser.setSelectedFile(null);
}
} else {
setDirectorySelected(false);
if (file != null) {
chooser.setSelectedFile(file);
}
}
}
}
}