view.getContainer().removeFocusListener(focusHandler);
view.getJComponent().removeFocusListener(focusHandler);
    public void remove(DrawingView view) {        view.getContainer().removeFocusListener(focusHandler);        views.remove(view);        if (tool != null) {            view.removeMouseListener(tool);            view.removeMouseMotionListener(tool);            view.removeKeyListener(tool);        }                view.removeNotify(this);        if (activeView == view) {            view = (views.size() > 0) ? views.iterator().next() : null;        }        updateFocusedView();    }