public static PsiFile getTopLevelFile(@NotNull PsiElement element) { PsiFile containingFile = element.getContainingFile(); if (containingFile == null) return null; Document document = PsiDocumentManager.getInstance(element.getProject()).getCachedDocument(containingFile); if (document instanceof DocumentWindow) { PsiElement host = InjectedLanguageManager.getInstance(containingFile.getProject()) .getInjectionHost(containingFile); if (host != null) containingFile = host.getContainingFile(); } return containingFile; }
@NotNull public static GlobalSearchScope getMaximalScope(@NotNull FindUsagesHandler handler) { PsiElement element = handler.getPsiElement(); Project project = element.getProject(); PsiFile file = element.getContainingFile(); if (file != null && ProjectFileIndex.SERVICE .getInstance(project) .isInContent(file.getViewProvider().getVirtualFile())) { return GlobalSearchScope.projectScope(project); } return GlobalSearchScope.allScope(project); }
public static Set<LookupElement> processJavaReference( PsiElement element, PsiJavaReference javaReference, ElementFilter elementFilter, JavaCompletionProcessor.Options options, final PrefixMatcher matcher, CompletionParameters parameters) { final Set<LookupElement> set = new LinkedHashSet<LookupElement>(); final Condition<String> nameCondition = new Condition<String>() { @Override public boolean value(String s) { return matcher.prefixMatches(s); } }; PsiMethodCallExpression call = PsiTreeUtil.getParentOfType(element, PsiMethodCallExpression.class); boolean checkInitialized = parameters.getInvocationCount() <= 1 && call != null && PsiKeyword.SUPER.equals(call.getMethodExpression().getText()); final JavaCompletionProcessor processor = new JavaCompletionProcessor( element, elementFilter, options.withInitialized(checkInitialized), nameCondition); final PsiType plainQualifier = processor.getQualifierType(); PsiType qualifierType = plainQualifier; PsiType runtimeQualifier = getQualifierCastType(javaReference, parameters); if (runtimeQualifier != null) { PsiType composite = qualifierType == null ? runtimeQualifier : PsiIntersectionType.createIntersection(qualifierType, runtimeQualifier); PsiElement ctx = createContextWithXxxVariable(element, composite); javaReference = (PsiReferenceExpression) JavaPsiFacade.getElementFactory(element.getProject()) .createExpressionFromText("xxx.xxx", ctx); qualifierType = runtimeQualifier; processor.setQualifierType(qualifierType); } javaReference.processVariants(processor); final PsiTypeLookupItem castItem = runtimeQualifier == null ? null : PsiTypeLookupItem.createLookupItem( runtimeQualifier, (PsiReferenceExpression) javaReference); final boolean pkgContext = inSomePackage(element); final Set<PsiMember> mentioned = new THashSet<PsiMember>(); for (CompletionElement completionElement : processor.getResults()) { for (LookupElement item : createLookupElements(completionElement, javaReference)) { item.putUserData(QUALIFIER_TYPE_ATTR, qualifierType); final Object o = item.getObject(); if (o instanceof PsiClass && !isSourceLevelAccessible(element, (PsiClass) o, pkgContext)) { continue; } if (o instanceof PsiMember) { if (isInExcludedPackage((PsiMember) o, true)) { continue; } mentioned.add(CompletionUtil.getOriginalOrSelf((PsiMember) o)); } set.add( highlightIfNeeded( qualifierType, castQualifier(item, castItem, plainQualifier, processor), o, element)); } } if (javaReference instanceof PsiJavaCodeReferenceElement && !((PsiJavaCodeReferenceElement) javaReference).isQualified()) { final StaticMemberProcessor memberProcessor = new JavaStaticMemberProcessor(parameters); memberProcessor.processMembersOfRegisteredClasses( matcher, new PairConsumer<PsiMember, PsiClass>() { @Override public void consume(PsiMember member, PsiClass psiClass) { if (!mentioned.contains(member) && processor.satisfies(member, ResolveState.initial())) { set.add(memberProcessor.createLookupElement(member, psiClass, true)); } } }); } return set; }
@NotNull static PsiReferenceExpression createReference(@NotNull String text, @NotNull PsiElement context) { return (PsiReferenceExpression) JavaPsiFacade.getElementFactory(context.getProject()) .createExpressionFromText(text, context); }