public static void RemoveClass(this XElement @this, string @class)
{
if (@this == null) throw new ArgumentNullException();
var c = @this.ClassAttribute();
if (c != null)
{
c.Remove(@class);
}
}
public static void AddClass(this XElement @this, string @class)
{
if (@this == null) throw new ArgumentNullException();
var c = @this.ClassAttribute();
if (c == null)
{
@this.Add(c = new XClassAttribute());
}
c.Add(@class);
}
public static bool HasClass(this XElement @this, string @class)
{
if (@this == null) throw new ArgumentNullException();
var c = @this.ClassAttribute();
if (c == null) return false;
return c.Classes().Contains(@class);
}
public static bool HasClassAttribute(this XElement @this)
{
if (@this == null) throw new ArgumentNullException();
return @this.ClassAttribute() != null;
}
