@Override
public void renderElement(LookupElementPresentation presentation) {
final Object object = getObject();
if (object instanceof PsiClass) {
JavaPsiClassReferenceElement.renderClassItem(
presentation, this, (PsiClass) object, myDiamond, myLocationString, mySubstitutor);
} else {
assert object instanceof PsiType;
if (!(object instanceof PsiPrimitiveType)) {
presentation.setIcon(DefaultLookupItemRenderer.getRawIcon(this, presentation.isReal()));
}
presentation.setItemText(((PsiType) object).getCanonicalText());
presentation.setItemTextBold(object instanceof PsiPrimitiveType);
if (isAddArrayInitializer()) {
presentation.setTailText("{...}");
}
}
if (myBracketsCount > 0) {
presentation.setTailText(
StringUtil.repeat("[]", myBracketsCount)
+ StringUtil.notNullize(presentation.getTailText()),
true);
}
}
static List<? extends LookupElement> wrap(
@NotNull JavaPsiClassReferenceElement classItem, @NotNull PsiElement position) {
PsiClass psiClass = classItem.getObject();
return wrap(
classItem,
psiClass,
position,
() ->
JavaPsiFacade.getElementFactory(psiClass.getProject())
.createType(psiClass, PsiSubstitutor.EMPTY));
}
private static void suggestNonImportedClasses(
CompletionParameters parameters,
CompletionResultSet result,
@Nullable JavaCompletionSession session) {
JavaClassNameCompletionContributor.addAllClasses(
parameters,
true,
result.getPrefixMatcher(),
element -> {
if (session != null && session.alreadyProcessed(element)) {
return;
}
JavaPsiClassReferenceElement classElement =
element.as(JavaPsiClassReferenceElement.CLASS_CONDITION_KEY);
if (classElement != null) {
classElement.setAutoCompletionPolicy(AutoCompletionPolicy.NEVER_AUTOCOMPLETE);
element =
JavaClassNameCompletionContributor.highlightIfNeeded(classElement, parameters);
}
result.addElement(element);
});
}
@Override
public void renderElement(LookupElementPresentation presentation) {
super.renderElement(presentation);
final LookupElementPresentation qualifierPresentation = new LookupElementPresentation();
myQualifier.renderElement(qualifierPresentation);
String name = maybeAddParentheses(qualifierPresentation.getItemText());
final String qualifierText =
myQualifier.as(CastingLookupElementDecorator.CLASS_CONDITION_KEY) != null
? "(" + name + ")"
: name;
presentation.setItemText(qualifierText + "." + presentation.getItemText());
if (myQualifier instanceof LookupItem && getQualifierObject() instanceof PsiClass) {
String locationString =
JavaPsiClassReferenceElement.getLocationString((LookupItem) myQualifier);
presentation.setTailText(StringUtil.notNullize(presentation.getTailText()) + locationString);
}
}
public void handleInsert(
final InsertionContext context, final JavaPsiClassReferenceElement item) {
final char c = context.getCompletionChar();
int offset = context.getTailOffset() - 1;
final PsiFile file = context.getFile();
if (PsiTreeUtil.findElementOfClassAtOffset(file, offset, PsiImportStatementBase.class, false)
!= null) {
final PsiJavaCodeReferenceElement ref =
PsiTreeUtil.findElementOfClassAtOffset(
file, offset, PsiJavaCodeReferenceElement.class, false);
final String qname = item.getQualifiedName();
if (qname != null && (ref == null || !qname.equals(ref.getCanonicalText()))) {
AllClassesGetter.INSERT_FQN.handleInsert(context, item);
}
return;
}
PsiElement position = file.findElementAt(offset);
PsiClass psiClass = item.getObject();
final Project project = context.getProject();
final boolean annotation = insertingAnnotation(context, item);
final Editor editor = context.getEditor();
if (c == '#') {
context.setLaterRunnable(
new Runnable() {
public void run() {
new CodeCompletionHandlerBase(CompletionType.BASIC).invokeCompletion(project, editor);
}
});
} else if (c == '.' && PsiTreeUtil.getParentOfType(position, PsiParameterList.class) == null) {
AutoPopupController.getInstance(context.getProject())
.autoPopupMemberLookup(context.getEditor(), null);
}
if (position != null) {
PsiElement parent = position.getParent();
if (parent instanceof PsiJavaCodeReferenceElement) {
final PsiJavaCodeReferenceElement ref = (PsiJavaCodeReferenceElement) parent;
if (PsiTreeUtil.getParentOfType(position, PsiDocTag.class) != null
&& ref.isReferenceTo(psiClass)) {
return;
}
}
}
OffsetKey refEnd = context.trackOffset(context.getTailOffset(), false);
boolean fillTypeArgs = context.getCompletionChar() == '<';
if (fillTypeArgs) {
context.setAddCompletionChar(false);
}
if (shouldInsertParentheses(psiClass, position)) {
if (ConstructorInsertHandler.insertParentheses(context, item, psiClass, false)) {
fillTypeArgs |=
psiClass.hasTypeParameters()
&& PsiUtil.getLanguageLevel(file).isAtLeast(LanguageLevel.JDK_1_5);
}
} else if (insertingAnnotationWithParameters(context, item)) {
JavaCompletionUtil.insertParentheses(context, item, false, true);
AutoPopupController.getInstance(project).autoPopupParameterInfo(editor, null);
}
LOG.assertTrue(context.getTailOffset() >= 0);
String docText = context.getDocument().getText();
DefaultInsertHandler.addImportForItem(context, item);
if (context.getTailOffset() < 0) {
LOG.error(
LogMessageEx.createEvent(
"Tail offset degraded after insertion",
"start=" + context.getStartOffset(),
new Attachment(
context.getFile().getViewProvider().getVirtualFile().getPath(), docText)));
}
if (annotation) {
// Check if someone inserts annotation class that require @
PsiElement elementAt = file.findElementAt(context.getStartOffset());
final PsiElement parentElement = elementAt != null ? elementAt.getParent() : null;
if (elementAt instanceof PsiIdentifier
&& (PsiTreeUtil.getParentOfType(elementAt, PsiAnnotationParameterList.class) != null
|| parentElement instanceof PsiErrorElement
&& parentElement.getParent()
instanceof PsiJavaFile // top level annotation without @
)
&& isAtTokenNeeded(context)) {
int expectedOffsetForAtToken = elementAt.getTextRange().getStartOffset();
context.getDocument().insertString(expectedOffsetForAtToken, "@");
}
}
if (fillTypeArgs) {
PostprocessReformattingAspect.getInstance(project).doPostponedFormatting();
int typeArgs = context.getOffset(refEnd);
if (typeArgs >= 0) {
context.getDocument().insertString(typeArgs, "<>");
context.getEditor().getCaretModel().moveToOffset(typeArgs + 1);
}
}
}