/// <summary>
/// Determines if the given value represents a valid state of this property.
/// </summary>
/// <param name="value">The state that should be used.</param>
/// <returns>True if the state is valid, otherwise false.</returns>
protected override Boolean IsValid(CSSValue value)
{
if (value.Is(Keywords.None))
{
_transforms.Clear();
return(true);
}
var transform = value.ToTransform();
if (transform != null)
{
_transforms.Clear();
_transforms.Add(transform);
return(true);
}
var list = value as CSSValueList;
if (list != null)
{
var transforms = new ITransform[list.Length];
for (int i = 0; i < transforms.Length; i++)
{
transforms[i] = list[i].ToTransform();
if (transforms[i] == null)
{
return(false);
}
}
_transforms.Clear();
_transforms.AddRange(transforms);
return(true);
}
return(false);
}