prioritaetAufheben.setEnabled(true); prioritaetSetzen.setEnabled(true); neuLaden.setEnabled(true); refresh.setEnabled(true);
                    public void run() {                        ajSettings = ApplejuiceFassade.getInstance().                            getAJSettings();                        DirectoryNode.setShareDirs(ajSettings.getShareDirs());                        SwingUtilities.invokeLater(new Runnable() {                            public void run() {                                initShareSelectionTree();                            }                        });                    }