[wp-trac] [WordPress Trac] #35010: Quick Edit: do not apply level to non-hierarchical post types

[WordPress Trac]

#35010: Quick Edit: do not apply level to non-hierarchical post types
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 Reporter:  Offereins          |      Owner:
     Type:  enhancement        |     Status:  new
 Priority:  normal             |  Milestone:  Awaiting Review
Component:  Posts, Post Types  |    Version:  3.0
 Severity:  normal             |   Keywords:
  Focuses:  administration     |
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 '''Context'''
 In my code I have set my non-hierarchical post type `unit` to have a Page
 as a parent page (using the `wp_insert_post_parent` filter). That way I
 have ensured that all `units` will have the same parent in the site's
 hierarchy.

 '''Issue'''
 When viewing the `units` in the wp-admin/edit.php post list table,
 everything is fine. But when I'm updating a `unit` through the Quick Edit
 function, the updated row returns with a padded title, like `— — Unit 13`.
 While it correctly represents the hierarchy sitewide, the padding is
 irrelevant in the post list table, as all other `units` do not have such
 padded titles. Now those non-hierarchical posts are
 [https://core.trac.wordpress.org/changeset/21192 'visually demoted']. I
 would expect to have this behavior only apply to hierarchical post types.
 (Though the same issue might appear when the site's hierarchy spans beyond
 that very post type.)

 '''Solution'''
 The solution lies in `wp_ajax_inline_save()`, where the `$level` parameter
 is passed to the display method of the post list table class. I suggest
 the  Two patches are attached to provide a solution. ''Patch 1'' solves
 this issue just for non-hierarchical post types, and ''patch 2'' extends
 1) with only applying `$level` for the same post type.

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Ticket URL: <https://core.trac.wordpress.org/ticket/35010>
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