public ComponentFeatureStateNotSupportedException(IComponentFeatureState state)
: base($"State '{state}' is not supported.")
{
if (state == null)
{
throw new ArgumentNullException(nameof(state));
}
State = state;
}
public ComponentHasStateCondition(IComponent component, IComponentFeatureState state)
{
if (component == null)
{
throw new ArgumentNullException(nameof(component));
}
if (state == null)
{
throw new ArgumentNullException(nameof(state));
}
WithExpression(() => component.GetState().Has(state));
}
public IComponentFeatureStateCollection With(IComponentFeatureState state)
{
if (state == null)
{
throw new ArgumentNullException(nameof(state));
}
if (!_states.Add(state))
{
throw new InvalidOperationException();
}
return(this);
}
public bool Has(IComponentFeatureState state)
{
if (state == null)
{
throw new ArgumentNullException(nameof(state));
}
var foundState = _states.FirstOrDefault(s => s.GetType() == state.GetType());
if (foundState == null)
{
throw new ComponentFeatureNotSupportedException(state.GetType());
}
return(ReferenceEquals(state, foundState) || foundState.Equals(state));
}