void (@NotNull final AnActionEvent e) { VcsSelectionHistoryDialog dialog = e.getRequiredData(SELECTION_HISTORY_DIALOG_KEY); e.getPresentation().setText(VcsBundle.message("action.name.compare")); e.getPresentation().setDescription(VcsBundle.message("action.description.compare")); e.getPresentation().setEnabled(dialog.myList.getSelectedRowCount() > 1 || dialog.myList.getSelectedRowCount() == 1 && dialog.myList.getSelectedObject() != dialog.myBlockLoader.getLocalRevision()); }