public virtual ScaleBase TransformCategoryScale(ScaleBase scale)
{
if (Items == null)
{
return(scale);
}
if (Items.Any())
{
scale.Input.MergeWidth(ScaleRange.From(Items, Category(scale)));
}
if (IsNumeric(CategoryProperty))
{
return(scale);
}
if (IsDate(CategoryProperty))
{
return(new DateScale
{
Input = scale.Input,
Output = scale.Output
});
}
Func <TItem, object> category = String.IsNullOrEmpty(CategoryProperty) ? (item) => string.Empty : PropertyAccess.Getter <TItem, object>(CategoryProperty);
var data = Items.Select(category).ToList();
if (scale is OrdinalScale ordinal)
{
foreach (var item in ordinal.Data)
{
if (!data.Contains(item))
{
var index = ordinal.Data.IndexOf(item);
if (index <= data.Count)
{
data.Insert(index, item);
}
else
{
data.Add(item);
}
}
}
}
return(new OrdinalScale
{
Data = data,
Input = scale.Input,
Output = scale.Output,
});
}
public virtual ScaleBase TransformValueScale(ScaleBase scale)
{
if (Items != null)
{
if (Items.Any())
{
scale.Input.MergeWidth(ScaleRange.From(Items, Value));
}
}
return(scale);
}
public bool IsEqualTo(ScaleRange range)
{
return(Start == range.Start && End == range.End);
}
public void MergeWidth(ScaleRange range)
{
Start = Math.Min(Start, range.Start);
End = Math.Max(End, range.End);
}