/// <summary>
/// Dispara uma exception caso a classe não esteja presente.
/// </summary>
/// <param name="container"></param>
/// <param name="class"></param>
/// <param name="message"></param>
public static void ThrowIfClassIsPresent(this IHtmlAttributesContainer container, string @class, string message)
{
object value;
if (container.HtmlAttributes.TryGetValue("class", out value))
{
if (value != null)
{
var classes = value.ToString().Split(" ".ToCharArray(), StringSplitOptions.RemoveEmptyEntries);
if (Array.IndexOf(classes, @class) > -1)
{
throw new NotSupportedException(string.Format(System.Globalization.CultureInfo.CurrentCulture, message, @class));
}
}
}
}
/// <summary>
/// PrependCssClass
/// </summary>
/// <param name="container"></param>
/// <param name="class"></param>
public static void PrependCssClass(this IHtmlAttributesContainer container, string @class)
{
container.HtmlAttributes.PrependInValue("class", " ", @class);
}
