提交 f0684078 编写于 作者: R rupashka

6698013: JFileChooser can no longer navigate non-local file systems.

Summary: ShellFolder is used only if possible
Reviewed-by: peterz
上级 5235464d
......@@ -1132,7 +1132,7 @@ public class BasicFileChooserUI extends FileChooserUI {
private void changeDirectory(File dir) {
JFileChooser fc = getFileChooser();
// Traverse shortcuts on Windows
if (dir != null && File.separatorChar == '\\' && dir.getPath().endsWith(".lnk")) {
if (dir != null && FilePane.usesShellFolder(fc)) {
try {
File linkedTo = ShellFolder.getShellFolder(dir).getLinkLocation();
if (linkedTo != null && fc.isTraversable(linkedTo)) {
......
......@@ -1961,6 +1961,16 @@ public class FilePane extends JPanel implements PropertyChangeListener {
}
}
/**
* Returns true if specified FileChooser should use ShellFolder
*/
public static boolean usesShellFolder(JFileChooser chooser) {
Boolean prop = (Boolean) chooser.getClientProperty("FileChooser.useShellFolder");
return prop == null ? chooser.getFileSystemView().equals(FileSystemView.getFileSystemView())
: prop.booleanValue();
}
// This interface is used to access methods in the FileChooserUI
// that are not public.
public interface FileChooserUIAccessor {
......
<html>
<body>
<applet code="bug6698013.class" width=200 height=200></applet>
1. Go into 'subdir' folder via double click
2. Return to parent directory
3. Go into 'subdir' folder: select 'subdir' folder and press the 'Open' button
</body>
</html>
/* @test %W% %E%
@bug 6698013
@summary JFileChooser can no longer navigate non-local file systems.
@author Pavel Porvatov
@run applet/manual=done bug6698013.html
*/
import javax.swing.*;
import javax.swing.filechooser.FileSystemView;
import java.io.File;
public class bug6698013 extends JApplet {
final static VirtualFile root = new VirtualFile("testdir", true);
final static VirtualFile rootFile = new VirtualFile("testdir/test.txt", false);
final static VirtualFile subdir = new VirtualFile("testdir/subdir", true);
final static VirtualFile subdirFile = new VirtualFile("testdir/subdir/subtest.txt", false);
public static void main(String[] args) {
JFileChooser chooser = new JFileChooser(new VirtualFileSystemView());
chooser.setCurrentDirectory(root);
chooser.showSaveDialog(null);
}
public void init() {
JFileChooser chooser = new JFileChooser(new VirtualFileSystemView());
chooser.setCurrentDirectory(root);
chooser.showSaveDialog(null);
}
}
class VirtualFileSystemView extends FileSystemView {
public boolean isRoot(File dir) {
return bug6698013.root.equals(dir);
}
public File createNewFolder(File dir) {
return null;
}
public File[] getRoots() {
return new File[]{bug6698013.root};
}
public boolean isDrive(File dir) {
return false;
}
public boolean isFloppyDrive(File dir) {
return false;
}
public File getParentDirectory(File dir) {
if (dir == null) {
return null;
}
return new VirtualFile(dir.getPath(), true).getParentFile();
}
public File[] getFiles(File dir, boolean hide_hidden) {
if (dir.equals(bug6698013.root)) {
return new File[]{bug6698013.rootFile, bug6698013.subdir};
}
if (dir.equals(bug6698013.subdir)) {
return new File[]{bug6698013.subdirFile};
}
return null;
}
public File getHomeDirectory() {
return bug6698013.root;
}
public File getDefaultDirectory() {
return getHomeDirectory();
}
public String getSystemDisplayName(File file) {
return file.getName();
}
public Boolean isTraversable(File file) {
return Boolean.valueOf(file.isDirectory());
}
}
/**
* A Virtual File. Contains a path and a directory flag that
* represents the location of a virtual file to be contained in the
* Virtual FileSystemView.
*/
class VirtualFile extends File {
private static final long serialVersionUID = 0L;
private String path;
private boolean directory;
public VirtualFile(String path, boolean directory) {
super(path);
this.path = path;
this.directory = directory;
}
public File getParentFile() {
int index = path.lastIndexOf('/');
if (index == -1) {
return null;
}
return new VirtualFile(path.substring(0, index), true);
}
public File getCanonicalFile() {
return this;
}
public String getParent() {
File parent_file = getParentFile();
return parent_file == null ? null : parent_file.getPath();
}
public String getName() {
int index = path.lastIndexOf('/');
return index == -1 ? path : path.substring(index + 1);
}
public String getPath() {
return path;
}
public String getAbsolutePath() {
return path;
}
public String getCanonicalPath() {
return path;
}
public String toString() {
return path;
}
public boolean equals(Object obj) {
return obj instanceof VirtualFile && path.equals(obj.toString());
}
public int hashCode() {
return path.hashCode();
}
public boolean canWrite() {
return true;
}
public boolean isDirectory() {
return directory;
}
public boolean exists() {
return true;
}
}
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