using AngleSharp.Css; using AngleSharp.Extensions; using System; using System.Collections.Generic; namespace AngleSharp.Dom.Css { internal sealed class CssBorderWidthProperty : CssShorthandProperty, ICssBorderWidthsProperty, ICssProperty { internal static readonly IValueConverter<Tuple<ICssValue, ICssValue, ICssValue, ICssValue>> Converter = CssBorderPartWidthProperty.Converter.Val().Periodic(); private readonly CssBorderTopWidthProperty _top; private readonly CssBorderRightWidthProperty _right; private readonly CssBorderBottomWidthProperty _bottom; private readonly CssBorderLeftWidthProperty _left; public Length Top => _top.Width; public Length Right => _right.Width; public Length Bottom => _bottom.Width; public Length Left => _left.Width; internal CssBorderWidthProperty(CssStyleDeclaration rule) : base(PropertyNames.BorderWidth, rule, PropertyFlags.Animatable) { _top = Get<CssBorderTopWidthProperty>(); _right = Get<CssBorderRightWidthProperty>(); _bottom = Get<CssBorderBottomWidthProperty>(); _left = Get<CssBorderLeftWidthProperty>(); } protected override bool IsValid(ICssValue value) { return Converter.TryConvert(value, delegate(Tuple<ICssValue, ICssValue, ICssValue, ICssValue> m) { _top.TrySetValue(m.Item1); _right.TrySetValue(m.Item2); _bottom.TrySetValue(m.Item3); _left.TrySetValue(m.Item4); }); } internal override string SerializeValue(IEnumerable<CssProperty> properties) { if (!IsComplete(properties)) return string.Empty; return CssShorthandProperty.SerializePeriodic(_top, _right, _bottom, _left); } } }