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);
}
}
}
}
}
/**
* Returns an icon for the specified file.
*
* @param file file reference
* @return icon
*/
public static Icon file(final IOFile file) {
if (file == null) return UNKNOWN;
// fallback code for displaying icons
final String path = file.path();
final MediaType type = MediaType.get(path);
if (type.isXML()) return XML;
if (type.isXQuery()) return XQUERY;
if (path.contains(IO.BASEXSUFFIX)) return BASEX;
// only works with standard dpi (https://bugs.openjdk.java.net/browse/JDK-6817929)
if (Prop.WIN && !GUIConstants.large()) {
// retrieve system icons (only supported on Windows)
final int p = path.lastIndexOf(path, '.');
final String suffix = p == -1 ? null : path.substring(p + 1);
Icon icon = null;
if (suffix != null) icon = FILES.get(suffix);
if (icon == null) {
icon = FS.getSystemIcon(file.file());
if (suffix != null) FILES.put(suffix, icon);
}
return icon;
}
// default icon chooser
return type.isText() ? TEXT : UNKNOWN;
}
public Icon getIcon(File f) {
Icon icon = getCachedIcon(f);
if (icon != null) {
return icon;
}
icon = fileIcon;
if (f != null) {
FileSystemView fsv = getFileChooser().getFileSystemView();
if (fsv.isFloppyDrive(f)) {
icon = floppyDriveIcon;
} else if (fsv.isDrive(f)) {
icon = hardDriveIcon;
} else if (fsv.isComputerNode(f)) {
icon = computerIcon;
} else if (f.isDirectory()) {
icon = directoryIcon;
}
}
cacheIcon(f, icon);
return icon;
}
/**
* Organizes icons used all over the GUI.
*
* @author BaseX Team 2005-15, BSD License
* @author Christian Gruen
*/
public final class BaseXImages {
/** Cached image icons. */
private static final HashMap<String, ImageIcon> ICONS = new HashMap<>();
/** File icon cache. */
private static final HashMap<String, Icon> FILES = new HashMap<>();
/** System icons. */
private static final FileSystemView FS = FileSystemView.getFileSystemView();
/** Icon for xml files. */
private static final Icon XMLTEXT = icon("text_xml");
/** Icon for raw files. */
private static final Icon RAWTEXT = icon("text_raw");
/** Icon for closed directories. */
private static final Icon DIR1 = icon("file_dir1");
/** Icon for opened directories. */
private static final Icon DIR2 = icon("file_dir2");
/** Icon for textual files. */
private static final Icon TEXT = icon("file_text");
/** Icon for XML/XQuery file types. */
private static final Icon XML = icon("file_xml");
/** Icon for XML/XQuery file types. */
private static final Icon XQUERY = icon("file_xquery");
/** Icon for BaseX file types. */
private static final Icon BASEX = icon("file_basex");
/** Icon for unknown file types. */
private static final Icon UNKNOWN = icon("file_unknown");
/** Private constructor. */
private BaseXImages() {}
/**
* Returns the specified image.
*
* @param name name of image
* @return image
*/
public static Image get(final String name) {
return get(url(name));
}
/**
* Returns the specified image.
*
* @param url image url
* @return image
*/
public static Image get(final URL url) {
try {
return ImageIO.read(url);
} catch (final IOException ex) {
throw Util.notExpected(ex);
}
}
/**
* Returns the specified image as icon.
*
* @param name name of icon
* @return icon
*/
public static ImageIcon icon(final String name) {
ImageIcon ii = ICONS.get(name);
if (ii != null) return ii;
Image img;
if (GUIConstants.scale > 1) {
// choose large image or none
final URL url =
GUIConstants.large() ? BaseXImages.class.getResource("/img/" + name + "_32.png") : null;
if (url == null) {
// resize low-res image if no hi-res image exists
img = get(url(name));
final int w = (int) (img.getWidth(null) * GUIConstants.scale);
final int h = (int) (img.getHeight(null) * GUIConstants.scale);
final BufferedImage tmp = new BufferedImage(w, h, BufferedImage.TYPE_INT_ARGB);
final Graphics2D g2 = tmp.createGraphics();
g2.setRenderingHint(
RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC);
g2.drawImage(img, 0, 0, w, h, null);
g2.dispose();
img = tmp;
} else {
img = get(url);
}
} else {
img = get(name);
}
ii = new ImageIcon(img);
ICONS.put(name, ii);
return ii;
}
/**
* Returns the image url.
*
* @param name name of image
* @return url
*/
private static URL url(final String name) {
final String path = "/img/" + name + ".png";
URL url = BaseXImages.class.getResource(path);
if (url == null) {
Util.stack("Image not found: " + path);
url = BaseXImages.class.getResource("/img/warn.png");
}
return url;
}
/**
* Returns a directory icon.
*
* @param expanded expanded state (open/closed)
* @return icon
*/
public static Icon dir(final boolean expanded) {
return expanded ? DIR2 : DIR1;
}
/**
* Returns an icon for the specified text.
*
* @param raw raw/xml text
* @return icon
*/
public static Icon text(final boolean raw) {
return raw ? RAWTEXT : XMLTEXT;
}
/**
* Returns an icon for the specified file.
*
* @param file file reference
* @return icon
*/
public static Icon file(final IOFile file) {
if (file == null) return UNKNOWN;
// fallback code for displaying icons
final String path = file.path();
final MediaType type = MediaType.get(path);
if (type.isXML()) return XML;
if (type.isXQuery()) return XQUERY;
if (path.contains(IO.BASEXSUFFIX)) return BASEX;
// only works with standard dpi (https://bugs.openjdk.java.net/browse/JDK-6817929)
if (Prop.WIN && !GUIConstants.large()) {
// retrieve system icons (only supported on Windows)
final int p = path.lastIndexOf(path, '.');
final String suffix = p == -1 ? null : path.substring(p + 1);
Icon icon = null;
if (suffix != null) icon = FILES.get(suffix);
if (icon == null) {
icon = FS.getSystemIcon(file.file());
if (suffix != null) FILES.put(suffix, icon);
}
return icon;
}
// default icon chooser
return type.isText() ? TEXT : UNKNOWN;
}
}
public void actionPerformed(ActionEvent e) {
if (isDirectorySelected()) {
File dir = getDirectory();
if (dir != null) {
try {
// Strip trailing ".."
dir = ShellFolder.getNormalizedFile(dir);
} catch (IOException ex) {
// Ok, use f as is
}
changeDirectory(dir);
return;
}
}
JFileChooser chooser = getFileChooser();
String filename = getFileName();
FileSystemView fs = chooser.getFileSystemView();
File dir = chooser.getCurrentDirectory();
if (filename != null) {
// Remove whitespaces from end of filename
int i = filename.length() - 1;
while (i >= 0 && filename.charAt(i) <= ' ') {
i--;
}
filename = filename.substring(0, i + 1);
}
if (filename == null || filename.length() == 0) {
// no file selected, multiple selection off, therefore cancel the approve action
resetGlobFilter();
return;
}
File selectedFile = null;
File[] selectedFiles = null;
// Unix: Resolve '~' to user's home directory
if (File.separatorChar == '/') {
if (filename.startsWith("~/")) {
filename = System.getProperty("user.home") + filename.substring(1);
} else if (filename.equals("~")) {
filename = System.getProperty("user.home");
}
}
if (chooser.isMultiSelectionEnabled()
&& filename.length() > 1
&& filename.charAt(0) == '"'
&& filename.charAt(filename.length() - 1) == '"') {
List<File> fList = new ArrayList<File>();
String[] files = filename.substring(1, filename.length() - 1).split("\" \"");
// Optimize searching files by names in "children" array
Arrays.sort(files);
File[] children = null;
int childIndex = 0;
for (String str : files) {
File file = fs.createFileObject(str);
if (!file.isAbsolute()) {
if (children == null) {
children = fs.getFiles(dir, false);
Arrays.sort(children);
}
for (int k = 0; k < children.length; k++) {
int l = (childIndex + k) % children.length;
if (children[l].getName().equals(str)) {
file = children[l];
childIndex = l + 1;
break;
}
}
}
fList.add(file);
}
if (!fList.isEmpty()) {
selectedFiles = fList.toArray(new File[fList.size()]);
}
resetGlobFilter();
} else {
selectedFile = fs.createFileObject(filename);
if (!selectedFile.isAbsolute()) {
selectedFile = fs.getChild(dir, filename);
}
// check for wildcard pattern
FileFilter currentFilter = chooser.getFileFilter();
if (!selectedFile.exists() && isGlobPattern(filename)) {
changeDirectory(selectedFile.getParentFile());
if (globFilter == null) {
globFilter = new GlobFilter();
}
try {
globFilter.setPattern(selectedFile.getName());
if (!(currentFilter instanceof GlobFilter)) {
actualFileFilter = currentFilter;
}
chooser.setFileFilter(null);
chooser.setFileFilter(globFilter);
return;
} catch (PatternSyntaxException pse) {
// Not a valid glob pattern. Abandon filter.
}
}
resetGlobFilter();
// Check for directory change action
boolean isDir = (selectedFile != null && selectedFile.isDirectory());
boolean isTrav = (selectedFile != null && chooser.isTraversable(selectedFile));
boolean isDirSelEnabled = chooser.isDirectorySelectionEnabled();
boolean isFileSelEnabled = chooser.isFileSelectionEnabled();
boolean isCtrl =
(e != null
&& (e.getModifiers() & Toolkit.getDefaultToolkit().getMenuShortcutKeyMask()) != 0);
if (isDir && isTrav && (isCtrl || !isDirSelEnabled)) {
changeDirectory(selectedFile);
return;
} else if ((isDir || !isFileSelEnabled)
&& (!isDir || !isDirSelEnabled)
&& (!isDirSelEnabled || selectedFile.exists())) {
selectedFile = null;
}
}
if (selectedFiles != null || selectedFile != null) {
if (selectedFiles != null || chooser.isMultiSelectionEnabled()) {
if (selectedFiles == null) {
selectedFiles = new File[] {selectedFile};
}
chooser.setSelectedFiles(selectedFiles);
// Do it again. This is a fix for bug 4949273 to force the
// selected value in case the ListSelectionModel clears it
// for non-existing file names.
chooser.setSelectedFiles(selectedFiles);
} else {
chooser.setSelectedFile(selectedFile);
}
chooser.approveSelection();
} else {
if (chooser.isMultiSelectionEnabled()) {
chooser.setSelectedFiles(null);
} else {
chooser.setSelectedFile(null);
}
chooser.cancelSelection();
}
}