@Override
public void getNamedArguments(
@NotNull GrCall call,
@Nullable PsiElement resolve,
@Nullable String argumentName,
boolean forCompletion,
Map<String, ArgumentDescriptor> result) {
if (!(call instanceof GrNewExpression)) return;
if (resolve != null) {
if (!(resolve instanceof PsiMethod)) return;
PsiMethod method = (PsiMethod) resolve;
if (!method.isConstructor()) return;
}
GrNewExpression newCall = (GrNewExpression) call;
GrArgumentList argumentList = newCall.getArgumentList();
if (argumentList == null) return;
GrExpression[] expressionArguments = argumentList.getExpressionArguments();
if (expressionArguments.length > 1
|| (expressionArguments.length == 1
&& !(expressionArguments[0] instanceof GrReferenceExpression))) {
return;
}
for (GroovyResolveResult resolveResult : newCall.multiResolveClass()) {
PsiElement element = resolveResult.getElement();
if (!(element instanceof PsiClass)) continue;
PsiClass aClass = (PsiClass) element;
if (!isClassHasConstructorWithMap(aClass)) continue;
PsiClassType classType =
JavaPsiFacade.getElementFactory(aClass.getProject()).createType(aClass);
processClass(call, classType, argumentName, result);
}
}
private static boolean isClassHasConstructorWithMap(PsiClass aClass) {
PsiMethod[] constructors = aClass.getConstructors();
if (constructors.length == 0) return true;
for (PsiMethod constructor : constructors) {
PsiParameterList parameterList = constructor.getParameterList();
PsiParameter[] parameters = parameterList.getParameters();
if (parameters.length == 0) return true;
final PsiParameter first = parameters[0];
if (InheritanceUtil.isInheritor(first.getType(), CommonClassNames.JAVA_UTIL_MAP)) return true;
if (first instanceof GrParameter && ((GrParameter) first).getTypeGroovy() == null)
return true;
// if constructor has only optional parameters it can be used as default constructor with map
// args
if (!PsiUtil.isConstructorHasRequiredParameters(constructor)) return true;
}
return false;
}
