void (@NotNull AnActionEvent e) { Project project = e.getProject(); if (project == null) { return; } OccurenceNavigator navigator = getNavigator(e.getDataContext()); if (navigator == null || !hasOccurenceToGo(navigator)) { return; } OccurenceNavigator.OccurenceInfo occurenceInfo = go(navigator); if (occurenceInfo == null) { return; } Navigatable descriptor = occurenceInfo.getNavigateable(); if (descriptor != null && descriptor.canNavigate()) { descriptor.navigate(true); } if (occurenceInfo.getOccurenceNumber() == -1 || occurenceInfo.getOccurencesCount() == -1) { return; } WindowManager.getInstance().getStatusBar(project).setInfo( IdeBundle.message("message.occurrence.N.of.M", occurenceInfo.getOccurenceNumber(), occurenceInfo.getOccurencesCount())); }