public OrderableCatValue Previous()
{
var ret = ScalarCategory.Get(CategoryID).Before(Index);
if (ret == null)
{
return(new OrderableCatValue(ValState.Err));
}
return(new OrderableCatValue(ret.CategoryID, ret.Index));
}
public OrderableCatValue Next()
{
var ret = ScalarCategory.Get(CategoryID).After(Index);
if (ret == null)
{
return(new OrderableCatValue(ValState.Err));
}
return(new OrderableCatValue(ret.CategoryID, ret.Index));
}
public override string ToString()
{
if (Status == ValState.Err)
{
return("ERR");
}
if (Status == ValState.Unk)
{
return("UNK");
}
var Cat = ScalarCategory.Get(CategoryID);
if (Cat == null)
{
return(CategoryID + "." + Index);
}
return(Cat.Name + "." + Cat[Index]);
}
public bool HasNext()
{
int c = ScalarCategory.Get(CategoryID).Count - 1;
return(c > Index);
}
