@Override
public boolean setupDefaultValues(
ChangeInfo changeInfo, Ref<UsageInfo[]> refUsages, Project project) {
if (!(changeInfo instanceof JavaChangeInfo)) return true;
for (UsageInfo usageInfo : refUsages.get()) {
if (usageInfo instanceof GrMethodCallUsageInfo) {
GrMethodCallUsageInfo methodCallUsageInfo = (GrMethodCallUsageInfo) usageInfo;
if (methodCallUsageInfo.isToChangeArguments()) {
final PsiElement element = methodCallUsageInfo.getElement();
if (element == null) continue;
final PsiMethod caller = RefactoringUtil.getEnclosingMethod(element);
final boolean needDefaultValue =
!((JavaChangeInfo) changeInfo).getMethodsToPropagateParameters().contains(caller);
final PsiMethod referencedMethod = methodCallUsageInfo.getReferencedMethod();
if (needDefaultValue
&& (caller == null
|| referencedMethod == null
|| !MethodSignatureUtil.isSuperMethod(referencedMethod, caller))) {
final ParameterInfo[] parameters = changeInfo.getNewParameters();
for (ParameterInfo parameter : parameters) {
final String defaultValue = parameter.getDefaultValue();
if (defaultValue == null && parameter.getOldIndex() == -1) {
((ParameterInfoImpl) parameter).setDefaultValue("");
if (!ApplicationManager.getApplication().isUnitTestMode()) {
final PsiType type =
((ParameterInfoImpl) parameter)
.getTypeWrapper()
.getType(element, element.getManager());
final DefaultValueChooser chooser =
new DefaultValueChooser(
project, parameter.getName(), PsiTypesUtil.getDefaultValueOfType(type));
chooser.show();
if (chooser.isOK()) {
if (chooser.feelLucky()) {
parameter.setUseAnySingleVariable(true);
} else {
((ParameterInfoImpl) parameter).setDefaultValue(chooser.getDefaultValue());
}
} else {
return false;
}
}
}
}
}
}
}
}
return true;
}
// This methods works equally well for primary usages as well as for propagated callers' usages
private static void fixActualArgumentsList(
PsiExpressionList list,
JavaChangeInfo changeInfo,
boolean toInsertDefaultValue,
PsiSubstitutor substitutor)
throws IncorrectOperationException {
final PsiElementFactory factory =
JavaPsiFacade.getInstance(list.getProject()).getElementFactory();
if (changeInfo.isParameterSetOrOrderChanged()) {
if (changeInfo instanceof JavaChangeInfoImpl
&& ((JavaChangeInfoImpl) changeInfo).isPropagationEnabled) {
final ParameterInfoImpl[] createdParmsInfo =
((JavaChangeInfoImpl) changeInfo).getCreatedParmsInfoWithoutVarargs();
for (ParameterInfoImpl info : createdParmsInfo) {
PsiExpression newArg;
if (toInsertDefaultValue) {
newArg = createDefaultValue(changeInfo, factory, info, list);
} else {
newArg = factory.createExpressionFromText(info.getName(), list);
}
JavaCodeStyleManager.getInstance(list.getProject())
.shortenClassReferences(list.add(newArg));
}
} else {
final PsiExpression[] args = list.getExpressions();
final int nonVarargCount = getNonVarargCount(changeInfo, args);
final int varargCount = args.length - nonVarargCount;
if (varargCount < 0) return;
PsiExpression[] newVarargInitializers = null;
final int newArgsLength;
final int newNonVarargCount;
final JavaParameterInfo[] newParms = changeInfo.getNewParameters();
if (changeInfo.isArrayToVarargs()) {
newNonVarargCount = newParms.length - 1;
final JavaParameterInfo lastNewParm = newParms[newParms.length - 1];
final PsiExpression arrayToConvert = args[lastNewParm.getOldIndex()];
if (arrayToConvert instanceof PsiNewExpression) {
final PsiNewExpression expression = (PsiNewExpression) arrayToConvert;
final PsiArrayInitializerExpression arrayInitializer = expression.getArrayInitializer();
if (arrayInitializer != null) {
newVarargInitializers = arrayInitializer.getInitializers();
}
}
newArgsLength =
newVarargInitializers == null
? newParms.length
: newNonVarargCount + newVarargInitializers.length;
} else if (changeInfo.isRetainsVarargs()) {
newNonVarargCount = newParms.length - 1;
newArgsLength = newNonVarargCount + varargCount;
} else if (changeInfo.isObtainsVarags()) {
newNonVarargCount = newParms.length - 1;
newArgsLength = newNonVarargCount;
} else {
newNonVarargCount = newParms.length;
newArgsLength = newParms.length;
}
String[] oldVarargs = null;
if (changeInfo.wasVararg() && !changeInfo.isRetainsVarargs()) {
oldVarargs = new String[varargCount];
for (int i = nonVarargCount; i < args.length; i++) {
oldVarargs[i - nonVarargCount] = args[i].getText();
}
}
final PsiExpression[] newArgs = new PsiExpression[newArgsLength];
for (int i = 0; i < newNonVarargCount; i++) {
if (newParms[i].getOldIndex() == nonVarargCount && oldVarargs != null) {
PsiType type = newParms[i].createType(changeInfo.getMethod(), list.getManager());
if (type instanceof PsiArrayType) {
type = substitutor.substitute(type);
type = TypeConversionUtil.erasure(type);
String typeText = type.getCanonicalText();
if (type instanceof PsiEllipsisType) {
typeText = typeText.replace("...", "[]");
}
String text = "new " + typeText + "{" + StringUtil.join(oldVarargs, ",") + "}";
newArgs[i] = factory.createExpressionFromText(text, changeInfo.getMethod());
continue;
}
}
newArgs[i] =
createActualArgument(changeInfo, list, newParms[i], toInsertDefaultValue, args);
}
if (changeInfo.isArrayToVarargs()) {
if (newVarargInitializers == null) {
newArgs[newNonVarargCount] =
createActualArgument(
changeInfo, list, newParms[newNonVarargCount], toInsertDefaultValue, args);
} else {
System.arraycopy(
newVarargInitializers, 0, newArgs, newNonVarargCount, newVarargInitializers.length);
}
} else {
final int newVarargCount = newArgsLength - newNonVarargCount;
LOG.assertTrue(newVarargCount == 0 || newVarargCount == varargCount);
for (int i = newNonVarargCount; i < newArgsLength; i++) {
final int oldIndex = newParms[newNonVarargCount].getOldIndex();
if (oldIndex >= 0 && oldIndex != nonVarargCount) {
newArgs[i] =
createActualArgument(
changeInfo, list, newParms[newNonVarargCount], toInsertDefaultValue, args);
} else {
System.arraycopy(args, nonVarargCount, newArgs, newNonVarargCount, newVarargCount);
break;
}
}
}
ChangeSignatureUtil.synchronizeList(
list, Arrays.asList(newArgs), ExpressionList.INSTANCE, changeInfo.toRemoveParm());
}
}
}