/// <summary>
/// Sets the value of this control using the value of the supplied parameter.
/// </summary>
/// <param name="parameter">Parameter to set this control's value from.</param>
public override void SetValueFromParameter(IParameter parameter)
{
IControlConvertible value = parameter.GetValueForControl();
_value = value.ToEnumState(parameter.EnumPairs);
_log.Debug(m => m("List control {0} value is now {1}", Id, _value.ToString()));
}
/// <summary>
/// Updates this EnumState with the state of the supplied EnumState.
/// </summary>
/// <param name="source">Source EnumState to update this instance from.</param>
/// <remarks>Implementation note: there are probably more effective ways to copy data from one BitArray to another that the one taken, but
/// the current implementation ensures that the two EnumStates reference a common set of EnumIDs.</remarks>
public void UpdateFrom(EnumState source)
{
if (source == null)
{
throw ThrowHelper.New <ArgumentNullException>(this, "A valid EnumState must be supplied");
}
if (_enumIds.Length != source._enumIds.Length)
{
throw ThrowHelper.New <ArgumentException>(this, "Unable to update this EnumState from supplied EnumState as the number of EnumIDs was not consistent");
}
_log.Debug(m => m("Updating EnumState from {0} to {1}", this.ToString(), source.ToString()));
int enumCount = _enumIds.Length;
for (int n = 0; n < _enumIds.Length; n++)
{
for (int index = 0; index < source._enumIds.Length; index++)
{
if (source._enumIds[index] == _enumIds[n])
{
_enumStates.Set(n, source._enumStates[index]);
enumCount--;
break;
}
}
}
if (enumCount != 0)
{
throw ThrowHelper.New <ArgumentException>(this, "Mismatch between the EnumIDs of the source and target EnumState");
}
_nonEnumValue = source._nonEnumValue;
}
/// <summary>
/// Creates a new EnumState from the supplied set of EnumPairs and input FIX string.
/// </summary>
/// <param name="enumPairs">EnumPairs for this parameter.</param>
/// <param name="multiValueString">String containing one or more FIX wire values (space-separated).</param>
/// <returns></returns>
public static EnumState FromWireValue(EnumPairCollection enumPairs, string multiValueString)
{
_log.DebugFormat("Converting WireValue '{0}' to EnumState", multiValueString);
string[] inputValues = multiValueString.Split(new char[] { ';', ' ', ',' });
EnumState result = new EnumState(enumPairs.EnumIds);
foreach (string inputValue in inputValues)
{
string enumId;
if (!enumPairs.TryParseWireValue(inputValue, out enumId))
{
throw ThrowHelper.New <ArgumentException>(ExceptionContext, ErrorMessages.UnrecognisedEnumIdValue, inputValue);
}
result[enumId] = true;
}
_log.Debug(m => m("Converting EnumState from WireValue; state is {0}", result.ToString()));
return(result);
}
