/// <summary>
/// Creates a collection of components representing this form item.
/// This can be used to display a form item without a <see cref="FormItemList"/>.
/// </summary>
public IReadOnlyCollection <FlowComponent> ToComponentCollection(bool omitLabel = false) =>
new FlowIdContainer(
new DisplayableElement(
context => new DisplayableElementData(
Setup.DisplaySetup,
() => ListErrorDisplayStyle.GetErrorFocusableElementLocalData(context, "div", ErrorSourceSet, null),
classes: itemClass,
children: (!label.Any() || omitLabel
? Enumerable.Empty <FlowComponent>()
: new GenericPhrasingContainer(label, classes: labelClass).ToCollection <PhrasingComponent>().Append(new LineBreak()))
.Append(new GenericFlowContainer(content, classes: contentClass))
.Concat(getErrorContainer())
.Materialize())).ToCollection(),
updateRegionSets: Setup.UpdateRegionSets).ToCollection();
private DisplayableElementLocalData getErrorFocusableElementLocalData(
ElementContext context, string elementName, IReadOnlyCollection <ElementAttribute> attributes) =>
ListErrorDisplayStyle.GetErrorFocusableElementLocalData(context, elementName, ErrorSourceSet, attributes);
