/// <summary>
/// 设置元素的样式类
/// </summary>
/// <param name="element">要设置样式类的元素</param>
/// <param name="classes">要设置的样式类</param>
/// <returns>被操作的元素</returns>
public static T Class <T>(this T element, params string[] classes) where T : IHtmlElement
{
if (element == null)
{
throw new ArgumentNullException("element");
}
if (classes == null)
{
throw new ArgumentNullException("classes");
}
classes = classes.SelectMany(i => Regulars.whiteSpaceSeparatorRegex.Split(i)).Where(name => name != "").ToArray();
var manager = StyleClassManager.GetStyleClassManager(element);
foreach (var expression in classes)
{
if (expression.StartsWith("-"))
{
manager.Remove(expression.Substring(1));
}
else if (expression.StartsWith("~"))
{
manager.Toggle(expression.Substring(1));
}
else if (expression.StartsWith("+"))
{
manager.Add(expression.Substring(1));
}
else
{
manager.Add(expression);
}
}
return(element);
}
/// <summary>
/// 获取元素的样式类管理器
/// </summary>
/// <param name="element">要获取样式类管理器的元素</param>
/// <returns>样式类管理器</returns>
public static StyleClassManager Class(this IHtmlElement element)
{
return(StyleClassManager.GetStyleClassManager(element));
}
