GlobalSearchScope (@NotNull FindUsagesHandlerBase handler) { PsiElement element = handler.getPsiElement(); Project project = element.getProject(); PsiFile file = element.getContainingFile(); if (file != null && ProjectFileIndex.getInstance(project).isInContent(file.getViewProvider().getVirtualFile())) { return GlobalSearchScope.projectScope(project); } return GlobalSearchScope.allScope(project); }