- * Creates an action group with all the "show additional information" actions in it.
- * Helper method for createActions();
- */
- QActionGroup* createAdditionalInformationActionGroup();
-
- /**
- * Creates an action group with all the "sort by" actions in it.
- * Helper method for createActions();
+ * Creates an action-group out of all roles from KFileItemModel.
+ * Dependent on the group-prefix either a radiobutton-group is
+ * created for sorting (prefix is "sort_by_") or a checkbox-group
+ * is created for additional information (prefix is "show_").
+ * The changes of actions are reported to slotSortTriggered() or
+ * toggleAdditionalInfo().