/// <summary>
/// Invoked when the scalar data value is changed.
/// </summary>
/// <param name="scalars">The scalar data.</param>
/// <remarks>The default implementation does nothing.</remarks>
protected virtual void OnValueChanged(IScalars scalars)
{
}
public ScalarAsyncValidator this[IScalars sourceScalars]
{
get { return(null); }
}
public void OnValueChanged(IScalars scalars)
{
_onValueChanged?.Invoke(scalars);
}
private void UpdateAsyncErrors(IScalars changedScalars)
{
_asyncErrors = Remove(_asyncErrors, x => x.Source.Overlaps(changedScalars));
}
public ScalarAsyncValidator this[IScalars sourceScalars]
{
get { return(_list.Contains(sourceScalars) ? _list[sourceScalars] : null); }
}
private ScalarAsyncValidator(string displayName, IScalars sourceScalars)
: base(displayName)
{
Debug.Assert(sourceScalars != null && sourceScalars.Count > 0);
_sourceScalars = sourceScalars.Seal();
}
/// <summary>
/// Ends the input implementation.
/// </summary>
/// <returns>The scalar binding for fluent coding.</returns>
public ScalarBinding <T> EndInput()
{
_target = _target.Seal();
return(ScalarBinding);
}
public SingleErrorValidator(string displayName, IScalars scalars, Func <Task <string> > validator)
: base(displayName, scalars)
{
_validator = validator;
}
public MultipleErrorsValidator(string displayName, IScalars scalars, Func <Task <IEnumerable <string> > > validator)
: base(displayName, scalars)
{
_validator = validator;
}
internal static ScalarAsyncValidator Create(string displayName, IScalars sourceScalars, Func <Task <IEnumerable <string> > > validator)
{
return(new MultipleErrorsValidator(displayName, sourceScalars, validator));
}
internal AsyncValidationFault GetFault(IScalars container)
{
return(Fault != null && (container == null || container.IsSupersetOf(SourceScalars)) ? Fault : null);
}
internal static ScalarAsyncValidator Create(string displayName, IScalars sourceScalars, Func <Task <string> > validator)
{
return(new SingleErrorValidator(displayName, sourceScalars, validator));
}
ScalarAsyncValidator IScalarAsyncValidators.this[IScalars sourceScalars]
{
get { return(SourceScalars.SetEquals(sourceScalars) ? this : null); }
}
private void NotifyValueChanged(IScalars scalars)
{
_owner.OnValueChanged(scalars);
}
