[wp-trac] [WordPress Trac] #37974: Add multi-panel feature to pages through add_theme_support

[WordPress Trac]

#37974: Add multi-panel feature to pages through add_theme_support
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 Reporter:  karmatosed                   |       Owner:
     Type:  task (blessed)               |      Status:  new
 Priority:  normal                       |   Milestone:  4.7
Component:  Themes                       |     Version:
 Severity:  normal                       |  Resolution:
 Keywords:  has-ux-feedback needs-patch  |     Focuses:  ui
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Comment (by pento):

 [attachment:37974.13.diff] tweaks `WP_Query` to only include the the
 section pages when `is_main_query()` is true.

 It also no longer unsets the `page_id` parameter (instead, chooses to
 ignore it when generating the SQL), so that it's still available to code
 that expects it to be there. (Ie, code running on `pre_get_posts`) might
 be checking something like this: `$query->get('page_id') ==
 get_option('page_on_front')` (see #21790).

 @bradyvercher: it seems like the `api.bind( 'ready', ...` code at the end
 of `customize-post-collection.js` is very specific to this implementation
 of the PostCollection. It probably should only run when it's in the
 `static_front_page` section of the Customizer.

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Ticket URL: <https://core.trac.wordpress.org/ticket/37974#comment:142>
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