Ranges (floating-bars) in Bar Chart

Thanks for the report.

Unfortunately, that's not supported yet. If you've looked at #96 you might've seen that I've used that feature as an example there. I don't know when it'll be implemented. Maybe as part of #96, maybe sooner, maybe later but I'm open for a pull request if you want to take a crack at it.

You should be able to convert this struct to a class (code from #96):

[JsonConverter(typeof(FloatingBarPointConverter))]
public readonly struct FloatingBarPoint : IEquatable<FloatingBarPoint>
{
    public readonly double Start, End;

    public FloatingBarPoint(double start, double end)
    {
        Start = start;
        End = end;
    }

    public override bool Equals(object obj) => obj is FloatingBarPoint point && Equals(point);
    public bool Equals(FloatingBarPoint other) => Start == other.Start && End == other.End;
    public override int GetHashCode() => HashCode.Combine(Start, End);

    public static bool operator ==(FloatingBarPoint left, FloatingBarPoint right) => left.Equals(right);
    public static bool operator !=(FloatingBarPoint left, FloatingBarPoint right) => !(left == right);
}

And add this converter (again from #96):

internal class FloatingBarPointConverter : JsonConverter<FloatingBarPoint>
{
    public override FloatingBarPoint ReadJson(JsonReader reader, Type objectType, FloatingBarPoint existingValue, bool hasExistingValue, JsonSerializer serializer)
    {
        //todo
        throw new NotImplementedException();
    }

    public override void WriteJson(JsonWriter writer, FloatingBarPoint value, JsonSerializer serializer)
    {
        writer.WriteStartArray();
        writer.WriteValue(value.Start);
        writer.WriteValue(value.End);
        writer.WriteEndArray();
    }
}

When you have that you should be able to use BarDataset<FloatingBarPoint> and everything should work fine. I'd love to hear your feeback on how it went :)

Ps. If you want to open a pull request, you'd only need to add summaries and implement the ReadJson method of the FloatingBarPointConverter.

mariusmuntean / ChartJs.Blazor

Ranges (floating-bars) in Bar Chart #100

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