[wp-trac] [WordPress Trac] #21811: Add image editing UI to the media modal

[WordPress Trac]

#21811: Add image editing UI to the media modal
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 Reporter:  koopersmith      |       Owner:
     Type:  feature request  |      Status:  new
 Priority:  normal           |   Milestone:  Future Release
Component:  Media            |     Version:  3.5
 Severity:  normal           |  Resolution:
 Keywords:  has-patch        |     Focuses:
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Changes (by tomauger):

 * keywords:   => has-patch


Comment:

 Patch notes for
 [https://core.trac.wordpress.org/attachment/ticket/21811/trac-21811
 -extensible-image-editor.patch trac-21811-extensible-image-editor.patch]:

 This patches the following core files:
 - wp-admin/edit-form-advanced.php:
   * adds an action 'enqueue_image_editor_scripts' to allow plugin/theme
 devs a good spot to hook in their own image editor js/css.

 - wp-admin/includes/image-edit.php:
   * adds `add_image_edit_group()` and `remove_image_edit_group()` to allow
 easy, `add_meta_box`-like modification of the ImgEditGroup boxes in the
 editor, grouped into tabs if needed / desired.
   * provides a corresponding action `add_image_editor_groups` for the
 proper place to hook into to add/remove image editor groups
   * provides an `image_editor_groups` filter for deeper modifications of
 editor groups if needed.
   * refactors all the HTML creation of the imgedit-groups used in
 `wp_image_editor()` to leverage the new way of creating these modular
 groups.
   * includes some tab/whitespace fixes to the HTML output of the TABLE
 structure, cause I'm anal that way.

 - wp-admin/js/image-edit.js
   * added an `addEventListener()` method to the global `imageEdit` that
 allows other scripts to register against event listeners that are
 dispatched at specific points within the Image Editor workflow.
   * added the `dispatchEvent()` method that is used by imageEdit to
 dispatch those specific events.
   * added an `events` object that contains the event type constants used
 to identify a specific event.
   * sadly, the whole file is different because I changed the indent level
 of the first inner block.

 I will follow this patch with a new plugin that demonstrates how to use
 these new features. Comments are welcome!

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Ticket URL: <https://core.trac.wordpress.org/ticket/21811#comment:22>
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