private static boolean isQualifiedStaticMethodWithUnnecessaryQualifier(
GrReferenceExpression ref) {
if (ref.getQualifier() == null) return false;
final PsiElement resolved = ref.resolve();
if (!(resolved instanceof PsiMember)) return false;
if (!((PsiMember) resolved).hasModifierProperty(PsiModifier.STATIC)) return false;
PsiElement copyResolved;
final PsiElement parent = ref.getParent();
if (parent instanceof GrMethodCall) {
final GrMethodCall copy = (GrMethodCall) parent.copy();
GrReferenceExpression invoked = (GrReferenceExpression) copy.getInvokedExpression();
assert invoked != null;
invoked.setQualifier(null);
copyResolved = ((GrReferenceExpression) copy.getInvokedExpression()).resolve();
} else {
final GrReferenceExpression copy = (GrReferenceExpression) ref.copy();
copy.setQualifier(null);
copyResolved = copy.resolve();
}
return ref.getManager().areElementsEquivalent(copyResolved, resolved);
}
public static GrReferenceExpression qualifyReference(
GrReferenceExpression referenceExpression,
final PsiMember member,
@Nullable final PsiClass qualifyingClass)
throws IncorrectOperationException {
PsiManager manager = referenceExpression.getManager();
GrReferenceExpression expressionFromText;
final GroovyPsiElementFactory factory =
GroovyPsiElementFactory.getInstance(referenceExpression.getProject());
if (qualifyingClass == null) {
PsiClass parentClass = PsiTreeUtil.getParentOfType(referenceExpression, PsiClass.class);
final PsiClass containingClass = member.getContainingClass();
if (parentClass != null
&& !InheritanceUtil.isInheritorOrSelf(parentClass, containingClass, true)) {
while (parentClass != null
&& !InheritanceUtil.isInheritorOrSelf(parentClass, containingClass, true)) {
parentClass = PsiTreeUtil.getParentOfType(parentClass, PsiClass.class, true);
}
LOG.assertTrue(parentClass != null);
expressionFromText =
factory.createReferenceExpressionFromText("A.this." + member.getName());
//noinspection ConstantConditions
((GrReferenceExpression) expressionFromText.getQualifier())
.getQualifier()
.replace(factory.createReferenceElementForClass(parentClass));
} else {
expressionFromText =
(GrReferenceExpression) factory.createExpressionFromText("this." + member.getName());
}
} else {
expressionFromText =
(GrReferenceExpression) factory.createExpressionFromText("A." + member.getName());
expressionFromText.setQualifier(factory.createReferenceElementForClass(qualifyingClass));
}
CodeStyleManager codeStyleManager = CodeStyleManager.getInstance(manager.getProject());
expressionFromText = (GrReferenceExpression) codeStyleManager.reformat(expressionFromText);
return (GrReferenceExpression) referenceExpression.replace(expressionFromText);
}