if (addClassesButton != null)
buttons.add(addClassesButton);
buttons.add(removeButton);
JButton[] aButtons = new JButton[buttons.size()];
buttons.toArray(aButtons);
builder.addButtons(aButtons);
return builder.getPanel();
}
protected void addToList(String className) {
MovableItemListModel model = (MovableItemListModel) classpathList.getModel();