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Experiment: try Theme JSON API to control block orientation #33044

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@getdave getdave commented Jun 28, 2021

Description

This is a experimental PoC PR to see if it's possible/suitable to utilise the Theme JSON API to control a block's orientation via a Theme JSON setting.

This is part of a wider exploration to see if it's appropriate to use Theme JSON as a mechanism to control block features.

See #30007 (comment) for context.

Questions

There is much to think about here.

  • Is the setting key in the right place?
  • Is using an open array the best option or should you have to pick from predefined options (eg: vertical: true, horizontal: true...etc). I think it's better to have limited options.
  • How do we define the fallback orientation for a block and what if that fallback isn't enabled in the Theme JSON. Relates to question above.
  • How could we utilise this feature in the Nav Editor to switch the Nav Block into "simple" mode?
  • Which other blocks could benefit from this approach?

How has this been tested?

  • Use a block based theme.

Site Level Orientation

  • Edit the theme.json file in your theme to have the following key under the top level settings.layout.orientation:
{
    "settings": {
        "layout": {
            "contentSize": "610px",
            "wideSize": "1240px",
            "orientations": {
                "vertical": true,
                "horizontal": false
            }
        }
    }
}
  • Create a new Post.
  • Insert Nav Block.
  • Notice how it is forced into vertical mode because you allowed that in the Theme JSON.
  • Try using other values.

Block Level Orienation

Now let's try making this setting apply to the Nav Block only.

  • Remove the previous changes to theme.json.
  • Create a new entry under settings.blocks.core/navigation - it should look like this although be aware you may have other settings already present so you will need to be VERY careful about where you place this code otherwise it won't work:
{

    "settings": {
        "blocks": {
            "core/navigation": {
                "layout": {
                    "orientations": {
                        "vertical": true,
                        "horizontal": false
                    }
                }
            }
        }
    }
}
  • Create a new Post.
  • Insert Nav Block.
  • Notice how it is forced into vertical mode because you allowed that in the Theme JSON.
  • Try using other values.

Screenshots

Types of changes

Checklist:

  • My code is tested.
  • My code follows the WordPress code style.
  • My code follows the accessibility standards.
  • I've tested my changes with keyboard and screen readers.
  • My code has proper inline documentation.
  • I've included developer documentation if appropriate.
  • I've updated all React Native files affected by any refactorings/renamings in this PR (please manually search all *.native.js files for terms that need renaming or removal).

@getdave getdave added [Block] Navigation Affects the Navigation Block [Type] Experimental Experimental feature or API. labels Jun 28, 2021
@getdave getdave self-assigned this Jun 28, 2021
@getdave getdave requested review from gwwar and Mamaduka June 28, 2021 16:05
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github-actions bot commented Jun 28, 2021

Size Change: -793 B (0%)

Total Size: 1.05 MB

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@talldan
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talldan commented Jul 14, 2021

There's now #33359, which might change things considerably 😄

@youknowriad
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yes, with #33359 the "layout" can be defined with theme.json as well. For a "default" layout container, it doesn't make sense to be able to define the "orientation" (in fact that PR considers the orientation prop of InnerBlocks as something to be deprecated). Flex layout though can be both vertical and horizontal (it starts as horizontal in that PR until we add config options).

The main driving principle though is that "layout" should be declarative, meaning the fact that right now we need to start moving away from CSS used to style how inner blocks are aligned (navigation, buttons, social links, columns). Instead, blocks should choose a layout and the style comes with it, some blocks (like group, navigation) could allow changing layout, allowing a subset of layouts...

By making all these things declarative, we can adapt the block editor UI to the selected layout and we can also allow theme.json to define the global layout (not sure yet about specific blocks because these are supposed to be customized in the templates instead).

@getdave
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getdave commented Aug 5, 2021

TBH if Theme JSON takes over layout then this PR isn't required. The objective of this PR is a PoC to explore whether we can utilise Theme JSON to control Nav Block features. The rationale behind this effort is detailed in #30007 (comment).

I might well pick another facet of the block to "tweak" instead.

@getdave getdave closed this Aug 5, 2021
@youknowriad youknowriad deleted the try/block-orientation-via-theme-json branch August 5, 2021 20:47
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