Support nested amp-selector elements

[sebastianbenz]

Currently amp-selector doesn't support nested selectors. This means if an AMP uses amp-selector to implement a tabbed UI, it's no longer possible to use amp-selector for an image gallery inside a tab.

[aghassemi]

@ericlindley-g Can we prioritize for the completeness of amp-selector feature set?

[ampprojectbot]

This issue hasn't been updated in awhile. @camelburrito Do you have any updates?

[durr04]

Any updates on this guys?

[aghassemi]

@durr04, this is currently not prioritized. You should be bale to use amp-bind to cover use-cases that a nested amp-selector would. If you find that amp-bind is not sufficient in your case, please let us know.

[durr04]

@aghassemi In my case i have 2 tabs & each tab have 5 sub tabs. Basically, I want to implement nested tabs using nested amp-selector. Using amp-bind it might get bit complicated structure to implement.

Is it feasible to implement using amp-bind. Please let me know your thoughts on this.

[aghassemi]

@durr04 yeah, it would be fairly simple to implement with amp-bind, you can have one variable to track which of the two top level tabs are selected and 2 variables to track what subtab is selected. amp-bind can simply change the CSS class when value of these variables changes and on="tap" of each tab, you set the variables to the selected value.

[durr04]

Thanks @aghassemi for your inputs. It worked with the variables & classes.

[aghassemi]

dedup with #8090