/// <summary>
/// Try to get an "if" color source from a ParsedParameters. The expected format is:
///
/// if(toggle, onSource)
/// if(toggle, onSource, offSource)
/// </summary>
public static IColorSource TryParse(PartModule module, ParsedParameters parsedParams)
{
if (parsedParams == null)
{
return(null);
}
if (!TYPE_NAME.Equals(parsedParams.Identifier))
{
return(null);
}
parsedParams.RequireCount(module, 2, 3);
IToggle toggle = null;
try
{
toggle = Toggles.Require(module, parsedParams[0]);
}
catch (ArgumentException e)
{
throw new ColorSourceException(module, "Invalid toggle specified for " + TYPE_NAME + "(): " + e.Message);
}
IColorSource onSource = Find(module, parsedParams[1]);
IColorSource offSource = (parsedParams.Count > 2) ? Find(module, parsedParams[2]) : BLACK;
return(new IfColorSource(toggle, parsedParams[0], onSource, offSource));
}
public static IScalar TryParse(PartModule module, ParsedParameters parsedParams)
{
if (parsedParams == null)
{
return(null);
}
if (parsedParams.Identifier != TYPE_NAME)
{
return(null);
}
parsedParams.RequireCount(module, 1);
return(Of(Toggles.Require(module, parsedParams[0]), 1, 0));
}
/// <summary>
/// Find the specified toggle. Throws ArgumentException if there's a problem.
/// </summary>
/// <param name="toggleID"></param>
/// <returns></returns>
protected IToggle RequireToggle(string toggleID)
{
return(Toggles.Require(this, toggleID));
}
/// <summary>
/// Try to find the specified toggle. Returns null if not found or there's a problem.
/// </summary>
/// <param name="toggleID"></param>
/// <returns></returns>
protected IToggle TryFindToggle(string toggleID)
{
return(Toggles.TryParse(this, toggleID));
}