/// <summary>
/// Creates an identified-component-data object.
/// </summary>
/// <param name="id">The component ID. Pass a nonempty string to specify an ID and make the component an ID container. Pass the empty string for an
/// ID container only. Pass null for no ID and no container. A component with a specified ID cannot be used more than once in the same ID container.</param>
/// <param name="updateRegionLinkers"></param>
/// <param name="errorSources"></param>
/// <param name="childGetter"></param>
internal IdentifiedComponentData(
string id, IEnumerable <UpdateRegionLinker> updateRegionLinkers, ErrorSourceSet errorSources,
Func <ModificationErrorDictionary, IEnumerable <ChildType> > childGetter)
{
Id = id;
UpdateRegionLinkers = updateRegionLinkers;
ErrorSources = errorSources;
ChildGetter = childGetter;
}
internal FormItem(
FormItemSetup setup, IReadOnlyCollection <PhrasingComponent> label, IReadOnlyCollection <FlowComponent> content, EwfValidation validation)
{
Setup = setup ?? new FormItemSetup();
this.label = label;
this.content = content;
Validation = validation;
ErrorSourceSet = validation != null ? new ErrorSourceSet(validations: validation.ToCollection()) : null;
}
internal FormItem(
FormItemSetup setup, IReadOnlyCollection <PhrasingComponent> label, IReadOnlyCollection <FlowComponent> content,
IReadOnlyCollection <EwfValidation> validations)
{
Setup = setup ?? new FormItemSetup();
this.label = label;
this.content = content;
this.validations = validations;
ErrorSourceSet = validations.Any() ? new ErrorSourceSet(validations: validations) : null;
}
/// <summary>
/// Creates a modification-error container with the specified sources.
/// </summary>
public FlowErrorContainer(ErrorSourceSet errorSources, ErrorDisplayStyle <FlowComponent> displayStyle, bool disableFocusabilityOnError = false)
{
children = new IdentifiedFlowComponent(
() => new IdentifiedComponentData <FlowComponentOrNode>(
"",
Enumerable.Empty <UpdateRegionLinker>(),
errorSources,
errorsBySource => displayStyle.GetComponents(
errorSources,
errorSources.Validations.SelectMany(errorsBySource.GetValidationErrors)
.Select(i => new TrustedHtmlString(HttpUtility.HtmlEncode(i)))
.Concat(errorsBySource.GetGeneralErrors()),
!disableFocusabilityOnError))).ToCollection();
}
internal static DisplayableElementLocalData GetErrorFocusableElementLocalData(
ElementContext context, string elementName, ErrorSourceSet errorSources, IReadOnlyCollection <ElementAttribute> attributes) =>
new DisplayableElementLocalData(
elementName,
new FocusabilityCondition(false, errorFocusabilitySources: errorSources),
isFocused => {
if (isFocused)
{
attributes = (attributes ?? Enumerable.Empty <ElementAttribute>()).Append(new ElementAttribute("tabindex", "-1")).Materialize();
}
return(new DisplayableElementFocusDependentData(
attributes: attributes,
includeIdAttribute: isFocused,
jsInitStatements: isFocused
? "document.getElementById( '{0}' ).focus(); document.getElementById( '{0}' ).scrollIntoView( {{ behavior: 'smooth', block: 'start' }} );"
.FormatWith(context.Id)
: ""));
});
IReadOnlyCollection <FlowComponent> ErrorDisplayStyle <FlowComponent> .GetComponents(
ErrorSourceSet errorSources, IEnumerable <TrustedHtmlString> errors, bool componentsFocusableOnError) =>
componentGetter(errorSources, errors, componentsFocusableOnError);
