FileChooserUI.java 文件源码

private void doSelectedFileChanged(PropertyChangeEvent e) {
    File f = (File) e.getNewValue();
    JFileChooser fc = getFileChooser();
    if (f != null && (fc.isFileSelectionEnabled() && !f.isDirectory()
            || f.isDirectory() && fc.isDirectorySelectionEnabled())) {
        setFileName(fileNameString(f));
        setFileSelected();
    }
}