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Fix drag and drop indices when block list contains a style element #32776

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merged 3 commits into from
Jun 25, 2021

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talldan
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@talldan talldan commented Jun 17, 2021

Description

Recently <style> elements started appearing block lists. This caused an issue with drag and drop, which expected only block elements in block lists. When these style elements appeared, they would result in the drop index being offset incorrectly.

This fixes by filtering style elements out of the list of elements to be considered to be blocks.

How has this been tested?

  1. Add a couple of image blocks, a group block with a paragraph in it, and a couple more image blocks (the group block creates a style element).
  2. Drag the first image block over the last two image blocks
  3. Note that in trunk the wrong drop target shows, but in this branch the correct one shows.

Types of changes

Bug fix (non-breaking change which fixes an issue)

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).

@talldan talldan added [Type] Bug An existing feature does not function as intended [Feature] Drag and Drop Drag and drop functionality when working with blocks Backport to WP 6.7 Beta/RC Pull request that needs to be backported to the WordPress major release that's currently in beta labels Jun 17, 2021
@talldan talldan self-assigned this Jun 17, 2021
@talldan talldan requested a review from ellatrix as a code owner June 17, 2021 11:51
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Size Change: -1 B (0%)

Total Size: 1.04 MB

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ℹ️ View Unchanged
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This makes sense, but it would be nice to have a test to go along with it.

@talldan talldan force-pushed the fix/drag-and-drop-indicies branch from b2de5fd to c31a9ba Compare June 25, 2021 03:25
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talldan commented Jun 25, 2021

Thanks @mcsf. I'll have a look into an e2e test as a follow-up.

@talldan talldan merged commit 12df6f9 into trunk Jun 25, 2021
@talldan talldan deleted the fix/drag-and-drop-indicies branch June 25, 2021 06:09
@github-actions github-actions bot added this to the Gutenberg 11.0 milestone Jun 25, 2021
@youknowriad youknowriad removed the Backport to WP 6.7 Beta/RC Pull request that needs to be backported to the WordPress major release that's currently in beta label Jun 25, 2021
youknowriad pushed a commit that referenced this pull request Jun 25, 2021
…32776)

* Check for style elements

* Use wp-block classname

* Remove test that is no longer valid
youknowriad pushed a commit that referenced this pull request Jun 25, 2021
…32776)

* Check for style elements

* Use wp-block classname

* Remove test that is no longer valid
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[Feature] Drag and Drop Drag and drop functionality when working with blocks [Type] Bug An existing feature does not function as intended
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3 participants