@Override public void approveSelection() { File file = getSelectedFile(); if (file != null) { FileFilter filter = getFileFilter(); if (filter != null && filter instanceof FileNameExtensionFilter) { String[] extensions = ((FileNameExtensionFilter) filter).getExtensions(); boolean goodExt = false; for (String ext : extensions) { if (file.getName().toLowerCase().endsWith("." + ext.toLowerCase())) { goodExt = true; break; } } if (!goodExt) { file = new File(file.getParent(), file.getName() + "." + extensions[0]); } } if (file.exists()) { String okStr = Messages.FILE_CHOOSER_FILE_EXISTS_OK_OPTION; String cancelStr = Messages.FILE_CHOOSER_FILE_EXISTS_CANCEL_OPTION; int ret = JOptionPane.showOptionDialog( this, Resources.format(Messages.FILE_CHOOSER_FILE_EXISTS_MESSAGE, file.getName()), Messages.FILE_CHOOSER_FILE_EXISTS_TITLE, JOptionPane.OK_CANCEL_OPTION, JOptionPane.WARNING_MESSAGE, null, new Object[] {okStr, cancelStr}, okStr); if (ret != JOptionPane.OK_OPTION) { return; } } setSelectedFile(file); } super.approveSelection(); }
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(); } }