public EnumValueList GetEnumValues()
{
if (Type != ChartParameterType.Enum)
{
throw new InvalidOperationException("Type is not Enum");
}
if (enumValues != null)
{
return(enumValues);
}
lock (this)
{
if (enumValues != null)
{
return(enumValues);
}
string error = EnumValueList.TryParse(valueDefinition, out enumValues);
if (error.HasText())
{
throw new FormatException(error);
}
}
return(enumValues);
}
protected override string PropertyValidation(PropertyInfo pi)
{
if (pi.Name == nameof(ValueDefinition) && ValueDefinition != null)
{
switch (Type)
{
case ChartParameterType.Enum: return(EnumValueList.TryParse(valueDefinition, out enumValues));
case ChartParameterType.Number: return(NumberInterval.TryParse(valueDefinition, out numberInterval));
case ChartParameterType.String: return(null);
default: throw new InvalidOperationException();
}
}
return(base.PropertyValidation(pi));
}
public static string?TryParse(string valueDefinition, out EnumValueList list)
{
list = new EnumValueList();
foreach (var item in valueDefinition.SplitNoEmpty('|'))
{
string?error = EnumValue.TryParse(item, out EnumValue? val);
if (error.HasText())
{
return(error);
}
list.Add(val !);
}
if (list.Count == 0)
{
return("No parameter values set");
}
return(null);
}