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Enable page list to expand in list view #45776

Merged
merged 7 commits into from
Nov 25, 2022
Merged

Enable page list to expand in list view #45776

merged 7 commits into from
Nov 25, 2022

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draganescu
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@draganescu draganescu commented Nov 15, 2022

What?

Closes #45482

Adds the ability to the page list block to expand in the list view.

Why?

To reflect on the hierarchical structure that we're representing, particularly when the page list is used inside a navigation block.

How?

Add a new Page List Item block that can only appear as a chidl of Page List.

Testing Instructions

  • check out this PR
  • be sure to have a few pages and some of them to have a parent
  • in a post add a Page List block
  • open List View
  • notice the page list block can be expanded and all its children appear

Screenshots or screencast

page-list-expands.mp4

Known issues:

  • While the inner blocks are locked they can be unlocked by the user. The problem is that any edits will not be saved, as the Page List block is always using the hierarchy of pages available, including titles for labels and page URL for links. We need to make an option for locks to be unlock-able or come up with something else.
  • The new inner blocks cause some layout issues when the page list block is used in a navigation block
  • The post is dirty after the page list renders because the innerblocks are added too late? (fixed in f69f59d )

@codesandbox
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codesandbox bot commented Nov 15, 2022

CodeSandbox logoCodeSandbox logo  Open in CodeSandbox Web Editor | VS Code | VS Code Insiders

@draganescu draganescu added [Type] Enhancement A suggestion for improvement. [Block] Page List Affects the Page List Block labels Nov 15, 2022
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github-actions bot commented Nov 15, 2022

Size Change: +2.21 kB (0%)

Total Size: 1.31 MB

Filename Size Change
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build/editor/index.min.js 43.7 kB +11 B (0%)
ℹ️ View Unchanged
Filename Size
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compressed-size-action

@jasmussen
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jasmussen commented Nov 16, 2022

Looks good.

Here's normal items: Screenshot 2022-11-16 at 11 43 12
Here's a page list: Screenshot 2022-11-16 at 11 44 02
However I'm seeing the page list becoming a vertical list in the canvas in this PR: Screenshot 2022-11-16 at 11 44 21
Here's the same menu in trunk: Screenshot 2022-11-16 at 11 45 39

@draganescu draganescu changed the title adds page list item to enable expansion in list view Enable page list to expand in list view Nov 16, 2022
@draganescu draganescu marked this pull request as ready for review November 16, 2022 12:20
@draganescu
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Discussing the bug making the post dirty with @talldan he pointed to how templated blocks work where the template is placed using replace blocks which is a persistent change:

replaceInnerBlocks(
clientId,
nextBlocks,
currentInnerBlocks.length === 0 &&
templateInsertUpdatesSelection &&
nextBlocks.length !== 0 &&
isBlockSelected( clientId ),
// This ensures the "initialPosition" doesn't change when applying the template
// If we're supposed to focus the block, we'll focus the first inner block
// otherwise, we won't apply any auto-focus.
// This ensures for instance that the focus stays in the inserter when inserting the "buttons" block.
getSelectedBlocksInitialCaretPosition()
);

This implementation sets the template asynchronously which is after the initial render so the post is marked as dirty, as it should, but not in this case.

Dan suggested that to try and manually replace blocks instead of using a template. It remains to be seen which way is best.

@@ -81,6 +82,7 @@ export default function useInnerBlockTemplateSync(
);

if ( ! isEqual( nextBlocks, currentInnerBlocks ) ) {
__unstableMarkNextChangeAsNotPersistent();
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I'm not sure if patching the useInnerBlockTemplateSync hook for a single use case is a good idea 😅

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It's not only this, we've hit this before: see #45843

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Can we remove this from this PR and wait on the decision in #45843?

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I'll try to rebase on that or something. b/c otherwise this PR does not work.

@scruffian
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I assume you tried using the Page Link block?

@scruffian
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Thanks for working on this, it's looking great. I just left a few questions about things I didn't understand.

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Some things I noticed.

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As things stand I don't think this is working 😞

https://user-images.githubusercontent.com/444434/203301672-d0950170-a1b5-48cb-9d3e-f19384309548.mp4

I cleared all my menus then added a new Nav block.

  • a new Nav was automatically created
  • I saw a Page List in the offcanvas
  • I tried clicking on Page List in the offcanvas but I couldn't seem to select it
  • I went to the main List View and clicked on Page List. I was able to selected it.

Basically everything seems out of sync as per the video.

@draganescu
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Thanks for the testing @getdave 🙇🏻

  • the off canvas editor component specifically disables block selection on click so that we dont immediately switch to that block's inspector, hence the introduction of the pencil icon.
  • this PR I believe shows a bug in the Navigation block's assumptions on when to automagically create a navigation: we fall back to a page list when no menus exist, but here selecting the page list alone (not editing) triggers the autosave, which I think now it's because it has innerBlocks, and we go the hasUncontroledInnerBlocks route.

None seem to be problems of this PR.

key={ id }
className={ classnames( 'wp-block-pages-list__item', {
'has-child': hasChildren,
'wp-block-navigation-item': isNavigationChild,
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It seems like there is quite a lot of overlap between this file and the navigation link - they need to share the same layout. Is there anything we can do to ensure they stay in sync?

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I think this has been an issue in core/page-list for a while. The problem has now just moved to the item. Am I right @draganescu ?

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Yes. Page list item is mostly a copy of the old PageItems component used inside the page list block.

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I created a follow up issue for this here: #46050

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This is testing well for me. I have a few small concerns about sharing the layout with the navigation-link block, but nothing that should stop you merging.

@getdave
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getdave commented Nov 23, 2022

  • the introduction of the pencil icon.

As long as that works for the Page List (parent) block itself.

here selecting the page list alone (not editing) triggers the autosave

The code for this autosave was written specifically to check for a dirty state on the blocks that are pased into the component but it is a little bit "hacky".

Did you create an Issue to track this bug? I think that's important 🙏

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getdave commented Nov 23, 2022

What's the status on this one? Blocked due to the sync problems with inner blocks?

@draganescu
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Yes, @getdave @scruffian should we merge with the known bug that adding a page list makes the post dirty? Should we wait for #45843 ?

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This is looking good. I think we should deal with the edit experience in a followup: #46051

@scruffian scruffian merged commit 9f2fe7d into trunk Nov 25, 2022
@scruffian scruffian deleted the add/page-list-item branch November 25, 2022 15:40
@github-actions github-actions bot added this to the Gutenberg 14.7 milestone Nov 25, 2022
@femkreations femkreations added the Needs User Documentation Needs new user documentation label Jan 31, 2023
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Page List: Display items in the List View
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