[dashboard][cascading filters]

[graceguo-supercat]

Is your feature request related to a problem? Please describe.
This is an example how to build cascading filter from filter_boxes.
Dashboard native filter components should allow 1 parent level filter contains multiple children filter fields, and 1 child filter component could be impacted by multiple parent-level filters.

1. build dashboard with some filters like this

2. set filter scope for time filter (apply to all charts), region filter (only apply to country filter), country filter (only apply to Growth rate chart):

3. test:

• change time filter: all charts and filter_boxes will be impacted
• change region filter: only country filter will be updated. it will only load countries from selected regions.
• change country filter: only growth rate chart will be impacted. it will display data for the selected country.

4. in this example:

• time filter has 2 children filters, no parent filter
• region filter: 1 parent, 1 child filter
• country filter: 2 parents, no child filter

cc @junlincc @michael-s-molina

[stale]

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[rusackas]

Cascading filters have been replaced by Dependent Filters in the Dashboard Natife Filters feature, and we're no longer actively pursuing Filter Box features. I think it's safe to close this out now :)