[wp-trac] [WordPress Trac] #18584: Nav menus need more hooks for extensibility (on admin page & in customizer)

[WordPress Trac]

#18584: Nav menus need more hooks for extensibility (on admin page & in customizer)
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 Reporter:  Viper007Bond  |       Owner:
     Type:  enhancement   |      Status:  new
 Priority:  normal        |   Milestone:  Future Release
Component:  Customize     |     Version:  3.3
 Severity:  normal        |  Resolution:
 Keywords:  needs-patch   |     Focuses:  javascript
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Changes (by westonruter):

 * keywords:  has-patch => needs-patch


Comment:

 How about a filter instead of an action? See [attachment:18584.2.diff]
 which adds a `wp_nav_menu_item_fields` filter for the fields that are
 output both in the walker for a specific nav menu item on the nav menus
 admin page and for the JS template for a nav menu item control in the
 Customizer. It also introduces a `wp_nav_menu_manage_columns` filter for
 manipulating which fields appear in the advanced menu properties in Screen
 Options. The patch here builds upon #35273. The facility here allows
 existing fields to be easily removed as well as to allow new ones to be
 added.

 I believe there are still missing pieces here, like hooking up the display
 to toggle displaying the fields based on whether the column checkbox is
 checked for any additional fields added. Also, the fields here would be
 dummy fields without the corresponding PHP logic (for admin menus page) or
 JS logic (for Customizer) to actually handle the rendering of the values
 and persisting of the values.

 This patch is a WIP. I didn't closely examine the existing patches, but I
 wanted to see something that would also facilitate extending the
 Customizer. Please anyone iterate on it.

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Ticket URL: <https://core.trac.wordpress.org/ticket/18584#comment:64>
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