How to use

getNestedValidationErrors

method

in

org.opensingular.form.SInstance

@Override
public void execute(AjaxRequestTarget target, IModel<SInstance> model) {
  SInstance baseInstance = model.getObject();
  SDocument doc = baseInstance.getDocument();
  Collection<ValidationError> errors = baseInstance.getNestedValidationErrors();
  if ((errors != null) && !errors.isEmpty()) {
    String alertLevel = errors.stream()
      .map(ValidationError::getErrorLevel).max(Comparator.naturalOrder())
      .map(it -> it.le(ValidationErrorLevel.WARNING) ? "alert-warning" : "alert-danger")
      .orElse(null);
    final StringBuilder sb = new StringBuilder("<div><ul class='list-unstyled alert ").append(alertLevel).append("'>");
    for (ValidationError error : errors) {
      Optional<SInstance> inst = doc.findInstanceById(error.getInstanceId());
      inst.ifPresent(sInstance -> sb.append("<li>")
        .append(SFormUtil.generateUserFriendlyPath(sInstance, baseInstance))
        .append(": ")
        .append(error.getMessage())
        .append("</li>"));
    }
    sb.append("</ul></div>");
    target.appendJavaScript(";bootbox.alert('" + JavaScriptUtils.javaScriptEscape(sb.toString()) + "');");
    target.appendJavaScript(Scripts.multipleModalBackDrop());
  }
}

@Override
public void execute(AjaxRequestTarget target, IModel<SInstance> model) {
  SInstance                    baseInstance = model.getObject();
  SDocument                    doc          = baseInstance.getDocument();
  Collection<IValidationError> errors       = baseInstance.getNestedValidationErrors();
  if ((errors != null) && !errors.isEmpty()) {
    String alertLevel = errors.stream()
        .map(IValidationError::getErrorLevel)
        .collect(Collectors.maxBy(Comparator.naturalOrder()))
        .map(it -> it.le(ValidationErrorLevel.WARNING) ? "alert-warning" : "alert-danger")
        .orElse(null);
    final StringBuilder sb = new StringBuilder("<div><ul class='list-unstyled alert " + alertLevel + "'>");
    for (IValidationError error : errors) {
      Optional<SInstance> inst = doc.findInstanceById(error.getInstanceId());
      if (inst.isPresent()) {
        sb.append("<li>")
            .append(SFormUtil.generateUserFriendlyPath(inst.get(), baseInstance))
            .append(": ")
            .append(error.getMessage())
            .append("</li>");
      }
    }
    sb.append("</ul></div>");
    target.appendJavaScript(";bootbox.alert('" + JavaScriptUtils.javaScriptEscape(sb.toString()) + "');");
    target.appendJavaScript(Scripts.multipleModalBackDrop());
  }
}

private BSActionPanel.ActionConfig<SInstance> buildShowErrorsActionConfig(IModel<? extends SInstance> model) {
  return new BSActionPanel.ActionConfig<SInstance>()
    .iconeModel(IReadOnlyModel.of(() -> DefaultIcons.EXCLAMATION_TRIANGLE))
    .styleClasses(Model.of("red"))
    .titleFunction(rowModel -> IMappingModel.of(rowModel).map(it -> (it.getNestedValidationErrors().size() + " erro(s) encontrado(s)")).getObject())
    .visibleFor(rowModel -> !rowModel.getObject().getNestedValidationErrors().isEmpty())
    .style($m.ofValue(MapperCommons.BUTTON_STYLE));
}

private BSActionPanel.ActionConfig<SInstance> buildShowErrorsActionConfig(IModel<? extends SInstance> model) {
  IMappingModel.of(model).map(it -> it.getNestedValidationErrors().size()).getObject();
  return new BSActionPanel.ActionConfig<SInstance>()
      .iconeModel(IReadOnlyModel.of(() -> Icone.EXCLAMATION_TRIANGLE))
      .styleClasses(Model.of("red"))
      .titleFunction(rowModel -> IMappingModel.of(rowModel).map(it -> (it.getNestedValidationErrors().size() + " erro(s) encontrado(s)")).getObject())
      .style($m.ofValue(MapperCommons.BUTTON_STYLE));
}