public override string Execute <TOwner>(IUIComponent <TOwner> component)
{
return(Source.HasValue
? ContentExtractor.Get(component, Source.Value)
: !string.IsNullOrWhiteSpace(AttributeName)
? component.Attributes[AttributeName]
: throw new InvalidOperationException($"Cannot execute as none of {Source} or {AttributeName} properties is set."));
}
/// <summary>
/// Gets the <see cref="DataProvider{TData, TOwner}"/> instance for the text content using <paramref name="source"/> argument.
/// </summary>
/// <param name="source">The source of the content.</param>
/// <returns>The <see cref="DataProvider{TData, TOwner}"/> instance for the text content.</returns>
public DataProvider <string, TOwner> GetContent(ContentSource source)
{
return(GetOrCreateDataProvider($"content ({source.ToString(TermCase.MidSentence)})", () => ContentExtractor.Get(this, source)));
}