model.setEditor(null);
    public void onNodesRemoved()    {        if (model.getState()!= SAVE)            throw new IllegalStateException("This method can only be " +                    "invoked in the SAVE state");        model.setState(READY);        fireStateChange();        view.setCursor(Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR));        Map browsers = model.getBrowsers();        Browser browser;        Iterator i = browsers.keySet().iterator();        while (i.hasNext()) {            browser = (Browser) browsers.get(i.next());            browser.refreshTree();        }        onSelectedDisplay();        setStatus(false, "", true);        view.setCursor(Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR));    }