private void qualifyFieldReference(InsertionContext context, PsiField field) {
    context.commitDocument();
    PsiFile file = context.getFile();
    final PsiReference reference = file.findReferenceAt(context.getStartOffset());
    if (reference instanceof PsiJavaCodeReferenceElement && ((PsiJavaCodeReferenceElement)reference).isQualified()) {
      return;
    }

    PsiClass containingClass = myQualifierClass != null && myQualifierClass.isValid() ? myQualifierClass : field.getContainingClass();
    if (containingClass != null && containingClass.getName() != null) {
      context.getDocument().insertString(context.getStartOffset(), field.hasModifierProperty(PsiModifier.STATIC) ? "." : ".this.");
      JavaCompletionUtil.insertClassReference(containingClass, file, context.getStartOffset());
      PsiDocumentManager.getInstance(context.getProject()).commitDocument(context.getDocument());
    }
  }
private void qualifyFieldReference(InsertionContext context, PsiField field)