@Nullable
public static LookupElementBuilder createPropertyLookupElement(
@NotNull PsiMethod accessor,
@Nullable GroovyResolveResult resolveResult,
@Nullable PrefixMatcher matcher) {
String propName;
PsiType propType;
final boolean getter = GroovyPropertyUtils.isSimplePropertyGetter(accessor, null);
if (getter) {
propName = GroovyPropertyUtils.getPropertyNameByGetter(accessor);
} else if (GroovyPropertyUtils.isSimplePropertySetter(accessor, null)) {
propName = GroovyPropertyUtils.getPropertyNameBySetter(accessor);
} else {
return null;
}
assert propName != null;
if (!PsiUtil.isValidReferenceName(propName)) {
propName = "'" + propName + "'";
}
if (matcher != null && !matcher.prefixMatches(propName)) {
return null;
}
if (getter) {
propType = PsiUtil.getSmartReturnType(accessor);
} else {
propType = accessor.getParameterList().getParameters()[0].getType();
}
final PsiType substituted =
resolveResult != null ? resolveResult.getSubstitutor().substitute(propType) : propType;
LookupElementBuilder builder =
LookupElementBuilder.create(
generatePropertyResolveResult(propName, accessor, propType, resolveResult),
propName)
.withIcon(JetgroovyIcons.Groovy.Property);
if (substituted != null) {
builder = builder.withTypeText(substituted.getPresentableText());
}
return builder;
}
@Nullable
private PsiType getNominalTypeInner(PsiElement resolved) {
if (resolved == null && !"class".equals(getReferenceName())) {
resolved = resolve();
}
if (resolved instanceof PsiClass) {
final PsiElementFactory factory = JavaPsiFacade.getInstance(getProject()).getElementFactory();
if (PsiUtil.isInstanceThisRef(this)) {
final PsiClassType categoryType = GdkMethodUtil.getCategoryType((PsiClass) resolved);
if (categoryType != null) {
return categoryType;
} else {
return factory.createType((PsiClass) resolved);
}
}
if (getParent() instanceof GrReferenceExpression || PsiUtil.isSuperReference(this)) {
return factory.createType((PsiClass) resolved);
} else {
return TypesUtil.createJavaLangClassType(
factory.createType((PsiClass) resolved), getProject(), getResolveScope());
}
}
if (resolved instanceof GrVariable) {
return ((GrVariable) resolved).getDeclaredType();
}
if (resolved instanceof PsiVariable) {
return ((PsiVariable) resolved).getType();
}
if (resolved instanceof PsiMethod) {
PsiMethod method = (PsiMethod) resolved;
if (PropertyUtil.isSimplePropertySetter(method)
&& !method.getName().equals(getReferenceName())) {
return method.getParameterList().getParameters()[0].getType();
}
// 'class' property with explicit generic
PsiClass containingClass = method.getContainingClass();
if (containingClass != null
&& CommonClassNames.JAVA_LANG_OBJECT.equals(containingClass.getQualifiedName())
&& "getClass".equals(method.getName())) {
return TypesUtil.createJavaLangClassType(
GrReferenceResolveUtil.getQualifierType(this), getProject(), getResolveScope());
}
return PsiUtil.getSmartReturnType(method);
}
if (resolved instanceof GrReferenceExpression) {
PsiElement parent = resolved.getParent();
if (parent instanceof GrAssignmentExpression) {
GrAssignmentExpression assignment = (GrAssignmentExpression) parent;
if (resolved.equals(assignment.getLValue())) {
GrExpression rValue = assignment.getRValue();
if (rValue != null) {
PsiType rType = rValue.getType();
if (rType != null) {
return rType;
}
}
}
}
}
if (resolved == null) {
final PsiType fromClassRef = getTypeFromClassRef(this);
if (fromClassRef != null) {
return fromClassRef;
}
final PsiType fromMapAccess = getTypeFromMapAccess(this);
if (fromMapAccess != null) {
return fromMapAccess;
}
final PsiType fromSpreadOperator = getTypeFromSpreadOperator(this);
if (fromSpreadOperator != null) {
return fromSpreadOperator;
}
}
return null;
}
@Override
@Nullable
public String getQuickNavigateInfo(PsiElement element, PsiElement originalElement) {
if (element instanceof GrVariable || element instanceof GrImplicitVariable) {
StringBuilder buffer = new StringBuilder();
PsiVariable variable = (PsiVariable) element;
if (originalElement instanceof GrVariableDeclaration
&& ((GrVariableDeclaration) originalElement).getVariables().length > 1) {
for (GrVariable var : ((GrVariableDeclaration) originalElement).getVariables()) {
generateVariableInfo(originalElement, buffer, var);
buffer.append("\n\n");
}
} else {
generateVariableInfo(originalElement, buffer, variable);
}
return buffer.toString();
} else if (element instanceof PsiMethod) {
StringBuilder buffer = new StringBuilder();
PsiMethod method = (PsiMethod) element;
if (method instanceof GrGdkMethod) {
buffer.append("[GDK] ");
} else {
PsiClass hisClass = method.getContainingClass();
if (hisClass != null) {
String qName = hisClass.getQualifiedName();
if (qName != null) {
buffer.append(qName).append("\n");
}
}
}
PsiSubstitutor substitutor = calcSubstitutor(originalElement);
if (!method.isConstructor()) {
final PsiType substituted = substitutor.substitute(PsiUtil.getSmartReturnType(method));
PsiImplUtil.appendTypeString(buffer, substituted, originalElement);
buffer.append(" ");
}
buffer.append(method.getName()).append(" ");
buffer.append("(");
PsiParameter[] parameters = method.getParameterList().getParameters();
for (int i = 0; i < parameters.length; i++) {
PsiParameter parameter = parameters[i];
if (i > 0) buffer.append(", ");
if (parameter instanceof GrParameter) {
GroovyPresentationUtil.appendParameterPresentation(
(GrParameter) parameter, substitutor, TypePresentation.LINK, buffer);
} else {
PsiType type = parameter.getType();
PsiImplUtil.appendTypeString(buffer, substitutor.substitute(type), originalElement);
buffer.append(" ");
buffer.append(parameter.getName());
}
}
buffer.append(")");
final PsiClassType[] referencedTypes = method.getThrowsList().getReferencedTypes();
if (referencedTypes.length > 0) {
buffer.append("\nthrows ");
for (PsiClassType referencedType : referencedTypes) {
PsiImplUtil.appendTypeString(buffer, referencedType, originalElement);
buffer.append(", ");
}
buffer.delete(buffer.length() - 2, buffer.length());
}
return buffer.toString();
} else if (element instanceof GrTypeDefinition) {
return generateClassInfo((GrTypeDefinition) element);
}
return null;
}
@Nullable
private PsiType getNominalTypeInner(@Nullable PsiElement resolved) {
if (resolved == null && !"class".equals(getReferenceName())) {
resolved = resolve();
}
if (resolved instanceof PsiClass) {
final PsiElementFactory factory = JavaPsiFacade.getInstance(getProject()).getElementFactory();
if (PsiUtil.isInstanceThisRef(this)) {
final PsiClassType categoryType = GdkMethodUtil.getCategoryType((PsiClass) resolved);
if (categoryType != null) {
return categoryType;
} else {
return factory.createType((PsiClass) resolved);
}
} else if (PsiUtil.isSuperReference(this)) {
PsiClass contextClass = PsiUtil.getContextClass(this);
if (GrTraitUtil.isTrait(contextClass)) {
PsiClassType[] extendsTypes = contextClass.getExtendsListTypes();
PsiClassType[] implementsTypes = contextClass.getImplementsListTypes();
PsiClassType[] superTypes =
ArrayUtil.mergeArrays(implementsTypes, extendsTypes, PsiClassType.ARRAY_FACTORY);
return PsiIntersectionType.createIntersection(ArrayUtil.reverseArray(superTypes));
}
return factory.createType((PsiClass) resolved);
}
if (getParent() instanceof GrReferenceExpression) {
return factory.createType((PsiClass) resolved);
} else {
return TypesUtil.createJavaLangClassType(
factory.createType((PsiClass) resolved), getProject(), getResolveScope());
}
}
if (resolved instanceof GrVariable) {
return ((GrVariable) resolved).getDeclaredType();
}
if (resolved instanceof PsiVariable) {
return ((PsiVariable) resolved).getType();
}
if (resolved instanceof PsiMethod) {
PsiMethod method = (PsiMethod) resolved;
if (PropertyUtil.isSimplePropertySetter(method)
&& !method.getName().equals(getReferenceName())) {
return method.getParameterList().getParameters()[0].getType();
}
// 'class' property with explicit generic
PsiClass containingClass = method.getContainingClass();
if (containingClass != null
&& CommonClassNames.JAVA_LANG_OBJECT.equals(containingClass.getQualifiedName())
&& "getClass".equals(method.getName())) {
return TypesUtil.createJavaLangClassType(
PsiImplUtil.getQualifierType(this), getProject(), getResolveScope());
}
return PsiUtil.getSmartReturnType(method);
}
if (resolved == null) {
final PsiType fromClassRef = getTypeFromClassRef(this);
if (fromClassRef != null) {
return fromClassRef;
}
final PsiType fromMapAccess = getTypeFromMapAccess(this);
if (fromMapAccess != null) {
return fromMapAccess;
}
final PsiType fromSpreadOperator = getTypeFromSpreadOperator(this);
if (fromSpreadOperator != null) {
return fromSpreadOperator;
}
}
return null;
}
