private static String getName(
final PsiClass psiClass, final LookupItem<?> item, boolean diamond) {
if (item instanceof JavaPsiClassReferenceElement) {
String forced = ((JavaPsiClassReferenceElement) item).getForcedPresentableName();
if (forced != null) {
return forced;
}
}
String name = PsiUtilCore.getName(psiClass);
if (item.getAttribute(LookupItem.FORCE_QUALIFY) != null) {
if (psiClass.getContainingClass() != null) {
name = psiClass.getContainingClass().getName() + "." + name;
}
}
if (diamond) {
return name + "<>";
}
PsiSubstitutor substitutor = (PsiSubstitutor) item.getAttribute(LookupItem.SUBSTITUTOR);
if (substitutor != null) {
final PsiTypeParameter[] params = psiClass.getTypeParameters();
if (params.length > 0) {
return name + formatTypeParameters(substitutor, params);
}
}
return StringUtil.notNullize(name);
}
public static void renderClassItem(
LookupElementPresentation presentation, LookupItem item, PsiClass psiClass, boolean diamond) {
if (!(psiClass instanceof PsiTypeParameter)) {
presentation.setIcon(DefaultLookupItemRenderer.getRawIcon(item, presentation.isReal()));
}
final boolean bold = item.getAttribute(LookupItem.HIGHLIGHTED_ATTR) != null;
boolean strikeout = JavaElementLookupRenderer.isToStrikeout(item);
presentation.setItemText(getName(psiClass, item, diamond));
presentation.setStrikeout(strikeout);
presentation.setItemTextBold(bold);
String tailText = StringUtil.notNullize((String) item.getAttribute(LookupItem.TAIL_TEXT_ATTR));
PsiSubstitutor substitutor = (PsiSubstitutor) item.getAttribute(LookupItem.SUBSTITUTOR);
if (item instanceof PsiTypeLookupItem
&& ((PsiTypeLookupItem) item).isIndicateAnonymous()
&& (psiClass.isInterface() || psiClass.hasModifierProperty(PsiModifier.ABSTRACT))) {
tailText = "{...}" + tailText;
}
if (substitutor == null && !diamond && psiClass.getTypeParameters().length > 0) {
tailText =
"<"
+ StringUtil.join(
psiClass.getTypeParameters(),
new Function<PsiTypeParameter, String>() {
@Override
public String fun(PsiTypeParameter psiTypeParameter) {
return psiTypeParameter.getName();
}
},
"," + (showSpaceAfterComma(psiClass) ? " " : ""))
+ ">"
+ tailText;
}
presentation.setTailText(tailText, true);
}
public static boolean insertTail(
InsertionContext context, LookupElement item, TailType tailType, boolean hasTail) {
TailType toInsert = tailType;
LookupItem<?> lookupItem = item.as(LookupItem.CLASS_CONDITION_KEY);
if (lookupItem == null
|| lookupItem.getAttribute(LookupItem.TAIL_TYPE_ATTR) != TailType.UNKNOWN) {
if (!hasTail
&& item.getObject() instanceof PsiMethod
&& ((PsiMethod) item.getObject()).getReturnType() == PsiType.VOID) {
PsiDocumentManager.getInstance(context.getProject()).commitAllDocuments();
if (psiElement()
.beforeLeaf(psiElement().withText("."))
.accepts(context.getFile().findElementAt(context.getTailOffset() - 1))) {
return false;
}
boolean insertAdditionalSemicolon = true;
final PsiReferenceExpression referenceExpression =
PsiTreeUtil.getTopmostParentOfType(
context.getFile().findElementAt(context.getStartOffset()),
PsiReferenceExpression.class);
if (referenceExpression instanceof PsiMethodReferenceExpression
&& LambdaHighlightingUtil.insertSemicolon(referenceExpression.getParent())) {
insertAdditionalSemicolon = false;
} else if (referenceExpression != null) {
PsiElement parent = referenceExpression.getParent();
if (parent instanceof PsiMethodCallExpression) {
parent = parent.getParent();
}
if (parent instanceof PsiLambdaExpression
&& !LambdaHighlightingUtil.insertSemicolonAfter((PsiLambdaExpression) parent)) {
insertAdditionalSemicolon = false;
}
}
if (insertAdditionalSemicolon) {
toInsert = TailType.SEMICOLON;
}
}
}
toInsert.processTail(context.getEditor(), context.getTailOffset());
return true;
}