public String calcGenerics(@NotNull PsiElement context, InsertionContext insertionContext) {
if (insertionContext.getCompletionChar() == '<') {
return "";
}
assert context.isValid();
if (myDiamond) {
return "<>";
}
if (getObject() instanceof PsiClass) {
PsiClass psiClass = (PsiClass) getObject();
PsiResolveHelper resolveHelper =
JavaPsiFacade.getInstance(psiClass.getProject()).getResolveHelper();
PsiSubstitutor substitutor = getSubstitutor();
StringBuilder builder = new StringBuilder();
for (PsiTypeParameter parameter : psiClass.getTypeParameters()) {
PsiType substitute = substitutor.substitute(parameter);
if (substitute == null
|| (PsiUtil.resolveClassInType(substitute) == parameter
&& resolveHelper.resolveReferencedClass(parameter.getName(), context)
!= CompletionUtil.getOriginalOrSelf(parameter))) {
return "";
}
if (builder.length() > 0) {
builder.append(", ");
}
builder.append(substitute.getCanonicalText());
}
if (builder.length() > 0) {
return "<" + builder + ">";
}
}
return "";
}
private static boolean isInitializedImplicitly(PsiField field) {
field = CompletionUtil.getOriginalOrSelf(field);
for (ImplicitUsageProvider provider : ImplicitUsageProvider.EP_NAME.getExtensions()) {
if (provider.isImplicitWrite(field)) {
return true;
}
}
return false;
}
private boolean shouldQualify(PsiField field, InsertionContext context) {
if (myHelper != null && !myHelper.willBeImported()) {
return true;
}
if (getAttribute(FORCE_QUALIFY) != null) {
return true;
}
PsiReference reference = context.getFile().findReferenceAt(context.getStartOffset());
if (reference instanceof PsiReferenceExpression
&& !((PsiReferenceExpression) reference).isQualified()) {
final PsiVariable target =
JavaPsiFacade.getInstance(context.getProject())
.getResolveHelper()
.resolveReferencedVariable(field.getName(), (PsiElement) reference);
return !field
.getManager()
.areElementsEquivalent(target, CompletionUtil.getOriginalOrSelf(field));
}
return false;
}