239 }
240
241 ShellFolder sf;
242
243 try {
244 sf = getShellFolder(f);
245 } catch (FileNotFoundException e) {
246 return null;
247 }
248
249 Image img = sf.getIcon(false);
250
251 if (img != null) {
252 return new ImageIcon(img, sf.getFolderType());
253 } else {
254 return UIManager.getIcon(f.isDirectory() ? "FileView.directoryIcon" : "FileView.fileIcon");
255 }
256 }
257
258 /**
259 * On Windows, a file can appear in multiple folders, other than its
260 * parent directory in the filesystem. Folder could for example be the
261 * "Desktop" folder which is not the same as file.getParentFile().
262 *
263 * @param folder a <code>File</code> object representing a directory or special folder
264 * @param file a <code>File</code> object
265 * @return <code>true</code> if <code>folder</code> is a directory or special folder and contains <code>file</code>.
266 * @since 1.4
267 */
268 public boolean isParent(File folder, File file) {
269 if (folder == null || file == null) {
270 return false;
271 } else if (folder instanceof ShellFolder) {
272 File parent = file.getParentFile();
273 if (parent != null && parent.equals(folder)) {
274 return true;
275 }
276 File[] children = getFiles(folder, false);
277 for (File child : children) {
278 if (file.equals(child)) {
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239 }
240
241 ShellFolder sf;
242
243 try {
244 sf = getShellFolder(f);
245 } catch (FileNotFoundException e) {
246 return null;
247 }
248
249 Image img = sf.getIcon(false);
250
251 if (img != null) {
252 return new ImageIcon(img, sf.getFolderType());
253 } else {
254 return UIManager.getIcon(f.isDirectory() ? "FileView.directoryIcon" : "FileView.fileIcon");
255 }
256 }
257
258 /**
259 * Icon for a file, directory, or folder as it would be displayed in
260 * a system file browser for the requested size.
261 *
262 * The default implementation gets information from the ShellFolder class.
263 *
264 * @param f a <code>File</code> object
265 * @param size width and height of the icon in pixels to be scaled(valid range: 1 to 256)
266 * @return an icon as it would be displayed by a native file chooser
267 * @see JFileChooser#getIcon
268 * @since 12
269 */
270 protected Icon getSystemIcon(File f, int size) {
271 if (f == null) {
272 return null;
273 }
274
275 if (size > 256 || size < 1) {
276 return null;
277 }
278
279 ShellFolder sf;
280 try {
281 sf = getShellFolder(f);
282 } catch (FileNotFoundException e) {
283 return null;
284 }
285
286 Image img = sf.getIcon(size);
287 if (img != null) {
288 return new ImageIcon(img, sf.getFolderType());
289 } else {
290 return UIManager.getIcon(f.isDirectory() ? "FileView.directoryIcon" : "FileView.fileIcon");
291 }
292 }
293
294 /**
295 * On Windows, a file can appear in multiple folders, other than its
296 * parent directory in the filesystem. Folder could for example be the
297 * "Desktop" folder which is not the same as file.getParentFile().
298 *
299 * @param folder a <code>File</code> object representing a directory or special folder
300 * @param file a <code>File</code> object
301 * @return <code>true</code> if <code>folder</code> is a directory or special folder and contains <code>file</code>.
302 * @since 1.4
303 */
304 public boolean isParent(File folder, File file) {
305 if (folder == null || file == null) {
306 return false;
307 } else if (folder instanceof ShellFolder) {
308 File parent = file.getParentFile();
309 if (parent != null && parent.equals(folder)) {
310 return true;
311 }
312 File[] children = getFiles(folder, false);
313 for (File child : children) {
314 if (file.equals(child)) {
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