[Lens] XY configuration for aggregation order

[wylieconlon]

This is a proposal to clarify one of the more confusing behaviors in Lens, and to set us up for the future work on drag and drop to rearrange. I have created a video to show how the behavior could work:

The main change here is that users are shown a different order and names for the configuration panel in XY charts. Each layer shows:

• Split series
• X-axis
• Break down by
• Y-axis

When the user changes the aggregation order, the configuration panel updates to show the change, giving immediate feedback.

Another example:

[elasticmachine]

Pinging @elastic/kibana-app (Team:KibanaApp)

[AlonaNadler]

I believe we talked about it multiple times in the past.
First I think it is a mistake to have an explicit split series and breakdown by. The way I see it in the future we will support split chart and breakdown by can do split series or split chart and users will be able to change their mind. This was design like that to avoid the explicit need like we have in Visualize to choose either split series or split chart explicitly.

Also break down in the future can have more than one field so you can add more granularity example breakdown by country and then break down by category.

Regarding the order, for years users were confused with the behavior in Visualize when it comes to split series and split chart. Len fix this confusion. I think the order of both aggregation and UI should remain the same.

cc: @timroes

[wylieconlon]

I think this proposed user experience would also help us with the other work that we've planned to take on soon, and might influence the discussion about how we will support hidden data in chart configuration.

[stratoula]

Closing this as an old issue