How to use

isDescendantOf

method

in

org.opensingular.form.SInstance

public boolean isSameOrDescendantOf(SInstance candidate) {
  return (this == candidate) || isDescendantOf(candidate);
}

private static int findPos(@Nonnull SIList<SInstance> instance, @Nonnull SInstance lastInstance) {
  int pos = 1;
  for (SInstance itemInstance : instance) {
    if (lastInstance == itemInstance || lastInstance.isDescendantOf(itemInstance)) {
      return pos;
    }
    pos++;
  }
  return -1;
}

private static int findPos(@Nonnull SIList<SInstance> instance, @Nonnull SInstance lastInstance) {
  int pos = 1;
  for(SInstance itemInstance : instance) {
    if (lastInstance == itemInstance || lastInstance.isDescendantOf(itemInstance)) {
      return pos;
    }
    pos++;
  }
  return -1;
}

  @Override
  public void onEvent(Component component, IEvent<?> event) {
    super.onEvent(component, event);
    final AjaxRequestTarget target = RequestCycle.get().find(AjaxRequestTarget.class);
    Object payload = event.getPayload();
    if (payload instanceof SInstance) {
      final SInstance instance = (SInstance) payload;
      for (BSTab tab : panel.getTabs().values()) {
        if (instance.isDescendantOf(tab.getModelObject())) {
          panel.getTabItem(tab).ifPresent(target::add);
        }
      }
    } else if (payload instanceof SingularFormProcessingPayload) {
      SingularFormProcessingPayload singularPayload = (SingularFormProcessingPayload) payload;
      Set<String> typeNames = tabViewSupplier.get().getTabs().stream()
          .flatMap(it -> it.getTypesNames().stream())
          .collect(Collectors.toSet());
      if (singularPayload.hasUpdatedType(typeNames)) {
        target.add(panel);
      }
    }
  }
});