void (DefaultActionGroup group) { final boolean alphabeticallySorted = PropertiesComponent.getInstance().isTrueValue(PROP_SORTED); if (alphabeticallySorted) { setSortComparator(new AlphaComparator()); } myAlphabeticallySorted = alphabeticallySorted; group.add(mySortAction); if (!supportsNestedContainers()) { ShowContainersAction showContainersAction = getShowContainersAction(); showContainersAction.registerCustomShortcutSet(new CustomShortcutSet(KeyStroke.getKeyStroke(KeyEvent.VK_C, InputEvent.ALT_MASK)), myTree); setShowClasses(PropertiesComponent.getInstance().getBoolean(PROP_SHOWCLASSES, true)); group.add(showContainersAction); } }