private static String[] getFieldNames(final RadComponent component, final String currentName) {
    final ArrayList<String> result = new ArrayList<>();
    if (currentName != null){
      result.add(currentName);
    }

    final IRootContainer root = FormEditingUtil.getRoot(component);
    final String className = root.getClassToBind();
    if (className == null) {
      return ArrayUtilRt.toStringArray(result);
    }

    final PsiClass aClass = FormEditingUtil.findClassToBind(component.getModule(), className);
    if (aClass == null) {
      return ArrayUtilRt.toStringArray(result);
    }

    final PsiField[] fields = aClass.getFields();

    for (final PsiField field : fields) {
      if (field.hasModifierProperty(PsiModifier.STATIC)) {
        continue;
      }

      final String fieldName = field.getName();

      if (Objects.equals(currentName, fieldName)) {
        continue;
      }

      if (!FormEditingUtil.isBindingUnique(component, fieldName, root)) {
        continue;
      }

      final String componentClassName;
      if (component instanceof RadErrorComponent) {
        componentClassName = component.getComponentClassName();
      }
      else if (component instanceof RadHSpacer || component instanceof RadVSpacer) {
        componentClassName = Spacer.class.getName();
      }
      else {
        componentClassName = component.getComponentClass().getName();
      }

      final PsiType componentType;
      try {
        componentType =
          JavaPsiFacade.getInstance(component.getProject()).getElementFactory().createTypeFromText(componentClassName, null);
      }
      catch (IncorrectOperationException e) {
        continue;
      }

      final PsiType fieldType = field.getType();
      if (!fieldType.isAssignableFrom(componentType)) {
        continue;
      }

      result.add(fieldName);
    }

    String text = FormInspectionUtil.getText(component.getModule(), component);
    if (text != null) {
      String binding = BindingProperty.suggestBindingFromText(component, text);
      if (binding != null && !result.contains(binding)) {
        result.add(binding);
      }
    }

    final String[] names = ArrayUtilRt.toStringArray(result);
    Arrays.sort(names);
    return names;
  }
private static String[] getFieldNames(final RadComponent component, final String currentName)