private JButton mkdir_btn = null;
public ActionsComponent() {
// this.setBorder(BorderFactory.createLineBorder(Color.black));
copy_btn = new JButton("copy");
copy_btn.addActionListener(new FileCopyAction());
new_btn = new JButton("new");
move_btn = new JButton("move");
del_btn = new JButton("delete");
rename_btn = new JButton("rename");
mkdir_btn = new JButton("mkdir");