[wp-trac] [WordPress Trac] #27406: Widget Customizer: Organize all widget area sections into a meta customizer section

[WordPress Trac]

#27406: Widget Customizer: Organize all widget area sections into a meta customizer
section
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 Reporter:  westonruter                          |       Owner:
     Type:  enhancement                          |      Status:  new
 Priority:  normal                               |   Milestone:  Future
Component:  Appearance                           |  Release
 Severity:  normal                               |     Version:  3.9
 Keywords:  has-patch dev-feedback needs-        |  Resolution:
  testing ux-feedback                            |     Focuses:  ui,
                                                 |  javascript
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Comment (by celloexpressions):

 [attachment:27406.2.parents.diff] implements the alternate approach, using
 parent sections instead of a separate page object. This gives us support
 for sections and parent sections being sorted in the same group of
 priorities and support for controls as direct children of parent
 sections/pages without additional work.

 However, after doing both implementations I prefer the version with
 `WP_Customize_Page` ([attachment:27406.2.diff]) for the following reasons:
 - Once you play with it, it's pretty clear that supporting controls that
 are direct children results in a really uncomfortable UX, because it feels
 like the controls aren't in a section (and they aren't really, once you
 enter the sub-section view).
 - It will be necessary to add the parent section separately anyway, so
 using `add_page()` versus `add_section()` gives the advantage of clearer
 code without extra steps (see the changes to widgets between the two
 patches for comparison). You don't have to look to see if other sections
 are referencing a given section as a parent to determine if it's a super-
 section or a regular one.
 - We can (and should consider) group top-level-sections and pages together
 for sorting by priority in the page approach; and could look into a
 `WP_Customize_Group` class that `WP_Customize_Section` and
 `WP_Customize_Page` both extend (@westonruter's idea).

 I should note that the UI is the same in both patches, with the exception
 of the sorting of pages/parent-sections.

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Ticket URL: <https://core.trac.wordpress.org/ticket/27406#comment:23>
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