void (@NotNull AnActionEvent e) { DirDiffTableModel model = SetOperationToBase.getModel(e); if (model != null) { Couple<DirDiffElementImpl> target = getSelectedSourceAndTarget(model); if (target != null) { e.getPresentation().setEnabled(true); e.getPresentation().setDescription(DiffBundle.message("compare.0.with.1", target.first.getSourcePresentableName(), target.second.getTargetPresentableName())); return; } } e.getPresentation().setDescription(DiffBundle.message("compare.selected.new.files")); e.getPresentation().setEnabled(false); }