Min/max zoom level - Checkboxes do not turn red for group layers when outside zoom level

[elizabethgbg]

Bug description for group layers
When you zoom outside a specified zoom level and switch on a single layer, the checkbox in the layer manager turns red. When you are outside a specified zoom level and switch on a group layer, the checkbox in the layer manager does not turn red.

Expected behavior and wishes for group layers
That the indicator (red color in checkboxes) that shows that you have zoomed outside a specified zoom level, work the same on group layers as for individual layers. So that red checkboxes is displayed when the layer is lit outside the zoom level.

This is a clarification of the bugs described in #810
Related issues: #1291, #1299, #1300

[elizabethgbg]

Concerning checkboxes for "group layer names" there are two different options:

Option 1: the group layer names checkbox is also colored red when zooming outside the layers specified zoom level/switching on layers in the group outside the specified zoom level.

Option 2: the group layer names checkbox is not colored red when zooming outside the layers specified zoom level/switching on layers in the group outside the specified zoom level. The checkbox remains black/grey.

We believe that all group checkboxes in the layer manager should have the same behavior when zooming outside a layers specified zoom level/switching on layers outside the specified zoom level. Currently, the checkboxes for groups remain black/grey when doing this.

Since it is not possible for users to distinguish between groups and group layer names in the layer manager, we believe that group layer names should be treated as groups in this regard. For this reason, we currently plan to proceed with option number two.

Please let us know if you have any thoughts on this!

[jacobwod]

Good issue description!

I think I see what you mean – currently groups can never turn orange or orange-gray (when partly toggled). E.g. in this case user could expect an orange-gray toggle box, since the group is partly toggled and at least one of its layers can not be shown:

And you want to copy this behaviour in group layers too? That's how I read the option 2 you mention.

In that case it's fine and valid.

It would, of course, be even better to actually fix (both groups and group layers) to have an orange-gray state. 😄

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As a side note: there's a slight typo in the linked branch's name (fix/1290/checkbox-indicator-group-layers). We usually use slash as a separator and dash as a joining character within the name. Please keep this in mind when creating branches in the future. (I.e. fix/1290-checkbox-indicator-group-layers would be correct in this case.)