static string GetLinearValue(Input input)
{
return input is SingleValueInput ? ((SingleValueInput)input).Value : ((MultiValueInput)input).Values.JoinString(", ");
}
static IEnumerable<string> GetValues(Input input)
{
var s = input as SingleValueInput;
if (s != null)
return s.Value == string.Empty ? Enumerable.Empty<string>() : new[] { s.Value };
var m = input as MultiValueInput;
if (m != null)
return m.Values;
throw new InvalidOperationException();
}
static bool AssignValue(Input input, ICommand command, ICommandInputDescriptor descriptor)
{
var s = input as SingleValueInput;
if (s != null)
return descriptor.TrySetValue(command, s.Value == string.Empty ? Enumerable.Empty<string>() : new[] { s.Value });
var m = input as MultiValueInput;
if (m != null)
return descriptor.TrySetValue(command, m.Values);
throw new InvalidOperationException();
}
static bool AssignValue(Input input, ICommand command, ICommandInputDescriptor descriptor)
{
return descriptor.TrySetValue(command, GetValues(input));
}