public void actionPerformed(ActionEvent e) { String fileName = (String) MyOptionPane.showInputDialog(frame, "Enter new folder name", null); if (fileName != null) { String s = listHead; // String t = s; s += File.separator + fileName; File f = new File(s); boolean b = f.mkdirs(); if (!b) System.err.println("mkdirs did not succeed"); // panel.remove(listView); // fullNodeName = s; // showFileNames(); showList(); // selComp = text2; } repaint(); }