Commit Graph

37692 Commits

Author SHA1 Message Date
Mel Choyce
a19f05ad63 Customizer: Improve specificity of small-screen styles in Widgets panel.
Props mrasharirfan, celloexpressions.
Fixes #41614.

Built from https://develop.svn.wordpress.org/trunk@41837


git-svn-id: http://core.svn.wordpress.org/trunk@41671 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-10-12 03:53:47 +00:00
Mel Choyce
7e6748ad61 Settings: Widen image size input fields on Media Settings page.
On narrower devices, input fields are too short to fit the number of default digits they contain. This widens the fields and also breaks each height and width attribute onto a new line for better usability, using some terrible CSS trickery. My apologies.

Props: Toru, Presskopp, desrosj, xkon, ryelle, melchoyce.
Fixes #34539.

Built from https://develop.svn.wordpress.org/trunk@41836


git-svn-id: http://core.svn.wordpress.org/trunk@41670 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-10-12 03:48:47 +00:00
Gary Pendergast
5a8d166547 General: Remove .jshintrc and *.json from the 2-space-indent .editorconfig group.
JSON files don't need a particular indent style, this was just inherited from the jQuery `.editorconfig`, that we based ours on.

`package.json` is staying in the 2-space-indent group for now, due to npm 3 and 4 having issues. Upgrading to npm 5 will allow us to remove `package.json`, too.

Props netweb.
Fixes #40946.


Built from https://develop.svn.wordpress.org/trunk@41835


git-svn-id: http://core.svn.wordpress.org/trunk@41669 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-10-12 01:58:45 +00:00
Mel Choyce
009c3a94bb Gallery Widget: Fix row spacing across major browsers.
Props petertoi .
Fixes #42188.

Built from https://develop.svn.wordpress.org/trunk@41834


git-svn-id: http://core.svn.wordpress.org/trunk@41668 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-10-11 21:14:51 +00:00
Mel Choyce
71aa62101f Gallery Widget: Remove grey background behind gallery, and align images to the edge of the container.
Props Presskopp, benoitchantre, mrasharirfan.
Fixes #42101.

Built from https://develop.svn.wordpress.org/trunk@41833


git-svn-id: http://core.svn.wordpress.org/trunk@41667 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-10-11 19:45:49 +00:00
Weston Ruter
2866a3cad2 Customize: Vary description for nav menu locations control based on whether it is shown during menu creation.
Also fix issue with initial visibility of notice when there are no menus.

Amends [41823].
Props bpayton, melchoyce, westonruter.
See #42116.
Fixes #42113.

Built from https://develop.svn.wordpress.org/trunk@41832


git-svn-id: http://core.svn.wordpress.org/trunk@41666 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-10-11 19:38:50 +00:00
Mel Choyce
e8922f416e TinyMCE: Remove "Unlink" icon from toolbar
Because "unlink" now appears contextually when editing a link, let's remove it from the toolbar.

Props azaozz, ahortin, swissspidy, afercia.
Fixes #36569.

Built from https://develop.svn.wordpress.org/trunk@41831


git-svn-id: http://core.svn.wordpress.org/trunk@41665 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-10-11 19:14:46 +00:00
Mel Choyce
39f3764a4b Code Editors: Improve cursor interactions on warning notices.
Fixes an issue where hovering over the warning icon didn't work if there were multiple warnings on the same line of code. Also updates the cursor from "pointer" to "help" when hovering over warnings and errors.

Props joyously, obenland.
Fixes #42129.

Built from https://develop.svn.wordpress.org/trunk@41830


git-svn-id: http://core.svn.wordpress.org/trunk@41664 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-10-11 18:25:46 +00:00
Gary Pendergast
a72be13ec0 Editor: Add the replace_editor filter.
This filter allows the Core editor to be replaced by an entirely different editor (coughcoughGUTENBERGcough).

Props azaozz, who is supposed to be on sabbatical right now.
Fixes #42119.


Built from https://develop.svn.wordpress.org/trunk@41829


git-svn-id: http://core.svn.wordpress.org/trunk@41663 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-10-11 12:06:48 +00:00
Pascal Birchler
8b4a8b6c15 Database: Add translators comment for error message in wpdb::prepare().
Props felipeelia.
Fixes #42142.

Built from https://develop.svn.wordpress.org/trunk@41828


git-svn-id: http://core.svn.wordpress.org/trunk@41662 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-10-11 08:35:47 +00:00
Weston Ruter
3ba66a0030 Widgets: Update video widget embed failure notice to indicate streams other than YouTube and Vimeo are allowed.
Amends [41759].
See #42039.

Built from https://develop.svn.wordpress.org/trunk@41827


git-svn-id: http://core.svn.wordpress.org/trunk@41661 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-10-11 06:22:47 +00:00
Weston Ruter
43801ded60 Customize: Make sure saved state is initially false when restoring autosave revision so that Save button will be enabled.
Amends [41597].
Props sayedwp.
See #39896.
Fixes #42143.

Built from https://develop.svn.wordpress.org/trunk@41826


git-svn-id: http://core.svn.wordpress.org/trunk@41660 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-10-11 05:57:48 +00:00
Weston Ruter
b2c816ff74 Customize: Correct docs for WP_Customize_Manager::changeset_uuid() after changes in [41626].
Props dlh.
Fixes #42174.

Built from https://develop.svn.wordpress.org/trunk@41825


git-svn-id: http://core.svn.wordpress.org/trunk@41659 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-10-11 05:45:46 +00:00
Weston Ruter
3f2b453a4d Customize: Introduce WP_Customize_Manager::trash_changeset_post() to reduce duplication and ensure proper changeset trashing logic.
Trashing a changeset via `wp_trash_post()` does not have the desired result since it mutates `post_content` (via Kses) and the `post_name` (even though it is a UUID).

Props dlh.
See #39896, #42030.
Fixes #42175.

Built from https://develop.svn.wordpress.org/trunk@41824


git-svn-id: http://core.svn.wordpress.org/trunk@41658 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-10-11 05:42:49 +00:00
Weston Ruter
c6f2ff7a8e Customize: Add notice for when there are no nav menus created yet, prompting user to create one.
Props bpayton, melchoyce, westonruter.
Fixes #42116.

Built from https://develop.svn.wordpress.org/trunk@41823


git-svn-id: http://core.svn.wordpress.org/trunk@41657 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-10-11 05:28:52 +00:00
Weston Ruter
36f8e77b49 Customize: Prevent outputting value attribute if already supplied among input_attrs.
This allows for `input[type=button]` controls to be added without producing illegal HTML.

Amends [41740].
See #30738, #33085.

Built from https://develop.svn.wordpress.org/trunk@41822


git-svn-id: http://core.svn.wordpress.org/trunk@41656 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-10-11 04:26:48 +00:00
Dion Hulse
b35cf2f529 Upgrades: Remove the usage of each() from WP_Upgrader for PHP 7.2 compatibility.
Props chrisvendiadvertisingcom, dd32.
Fixes #41524

Built from https://develop.svn.wordpress.org/trunk@41821


git-svn-id: http://core.svn.wordpress.org/trunk@41655 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-10-11 04:24:50 +00:00
Gary Pendergast
fd247bc2e4 Database: When parsing the host, leave the port and socket as null if they're not defined.
This fixes a change in behaviour introduced by [41629].

The host is set to an empty string when it isn't defined, this continues existing behaviour. In particular, the mysqli library treats a `null` host as being the same as `localhost`, which is not always the intended behaviour.

Props birgire, markjaquith, pento.
Fixes #41722.


Built from https://develop.svn.wordpress.org/trunk@41820


git-svn-id: http://core.svn.wordpress.org/trunk@41654 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-10-11 00:10:47 +00:00
Weston Ruter
3609d0c4c5 Plugin Editor: Revert superseded changes to activate_plugin() and plugin_sandbox_scrape().
Partially revert [41671], [41561], [41560].
See #21622.
Fixes #39766.

Built from https://develop.svn.wordpress.org/trunk@41819


git-svn-id: http://core.svn.wordpress.org/trunk@41653 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-10-11 00:03:48 +00:00
Gary Pendergast
80fd3cad0d Database: Fix a test failing on MySQL 5.7 and MariaDB 10.2.
On newer versions of MySQL, an error was being thrown when creating a table with an index that we wanted to be silently truncated.

To avoid this, the test now tries to use a newer InnoDB file format where available, and skips the test when that happens.

Props pento, danielbachhuber, straussd.
Fixes #41716.


Built from https://develop.svn.wordpress.org/trunk@41818


git-svn-id: http://core.svn.wordpress.org/trunk@41652 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-10-10 23:46:47 +00:00
Weston Ruter
5bde734323 Customize: Fix vertical alignment of radio and checkbox inputs after [41740].
Props Shital Patel, subrataemfluence, sayedwp.
Amends [41740].
See #33085.
Fixes #42157.

Built from https://develop.svn.wordpress.org/trunk@41817


git-svn-id: http://core.svn.wordpress.org/trunk@41651 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-10-10 23:45:51 +00:00
Weston Ruter
c1ede53374 Customize: Fix string translations for singular vs plural after [41812].
Props felipeelia, tobifjellner, SergeyBiryukov.
See #42112.
Fixes #42170.

Built from https://develop.svn.wordpress.org/trunk@41816


git-svn-id: http://core.svn.wordpress.org/trunk@41650 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-10-10 21:04:49 +00:00
Weston Ruter
5123283cf7 Customize: Improve and clarify help text for Themes panel.
Props michelleweber, melchoyce, celloexpressions.
See #37661.
Fixes #42047.

Built from https://develop.svn.wordpress.org/trunk@41815


git-svn-id: http://core.svn.wordpress.org/trunk@41649 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-10-10 20:53:49 +00:00
Weston Ruter
6c05b7bef2 Widgets: Clear dirty flag on widgets admin screen when widget is deleted to prevent irrelevant confirmation prompt when leaving.
Props hazimayesh, felipeelia.
Amends [41352], [41813].
See #23120, #42127.
Fixes #41894.

Built from https://develop.svn.wordpress.org/trunk@41814


git-svn-id: http://core.svn.wordpress.org/trunk@41648 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-10-10 20:39:47 +00:00
Weston Ruter
7cb66a5353 Widgets: Allow deletion even when widget form fails validity checks.
Props felipeelia.
Amends [41352].
See #23120.
Fixes #42127.

Built from https://develop.svn.wordpress.org/trunk@41813


git-svn-id: http://core.svn.wordpress.org/trunk@41647 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-10-10 18:07:51 +00:00
Weston Ruter
b36fa8ce9c Customize: Adjust "Menu Locations" labels for singular/plural.
Props felipeelia.
Fixes #42112.

Built from https://develop.svn.wordpress.org/trunk@41812


git-svn-id: http://core.svn.wordpress.org/trunk@41646 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-10-10 17:57:48 +00:00
Konstantin Obenland
b17b035009 Menus: Limit mapping to registered locations
Weeds out orphaned locations, so their information will not continue to be mapped to future themes.

Fixes #42121.

Built from https://develop.svn.wordpress.org/trunk@41811


git-svn-id: http://core.svn.wordpress.org/trunk@41645 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-10-10 17:08:48 +00:00
Konstantin Obenland
a22bb4f3ad Customizer: Account for legacy menu data
Checks for menu location data from when a previewed theme was previously active.

See #39692.

Built from https://develop.svn.wordpress.org/trunk@41810


git-svn-id: http://core.svn.wordpress.org/trunk@41644 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-10-10 17:06:47 +00:00
Boone Gorges
8d773262f3 Taxonomy: Don't discard keys when merging queried terms from different taxonomies.
For values of `fields` like `id=>parent`, the keys of the array must be
maintained as part of the query results.

Introduced as part of #40496. See [38667], [40513].

Props miyauchi, dany2217, pcarvalho.
Fixes #41293.
Built from https://develop.svn.wordpress.org/trunk@41809


git-svn-id: http://core.svn.wordpress.org/trunk@41643 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-10-10 16:45:48 +00:00
Mel Choyce
8f4e2bdb6b Customizer: Vertically center section arrows.
Props dualcube_subrata.
Fixes #42123.

Built from https://develop.svn.wordpress.org/trunk@41808


git-svn-id: http://core.svn.wordpress.org/trunk@41642 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-10-10 16:23:50 +00:00
Weston Ruter
7b0dbf49fc Customize: Improve behavior and extensibility of theme loading and searching.
* Introduce `WP_Customize_Themes_Section::$filter_type`, which has built-in functionality for `local` and `remote` filtering. When this set to `local`, all themes are assumed to be loaded from Ajax when the section is first loaded, and subsequent searching/filtering is applied to the loaded collection of themes within the section. This is how the core "Installed" section behaves - third-party sources with limited numbers of themes may consider leveraging this implementation. When this is set to `remote`, searching and filtering always triggers a new remote query via Ajax. The core "WordPress.org" section uses this approach, as it has over 5000 themes to search.
* Refactor `filterSearch()` to accept a raw term string as input. This enables a feature filter to be used on a section where `filter_type` is `local`.
* Refactor `filter()` on a theme control to check for an array of terms. Also sort the results by the number of matches. Rather than searching for an exact match, this will now search for each word in a search distinctly, allowing things like tags to rank in search results more accurately.
* Split `loadControls()` into two functions for themes section JS: `loadThemes()` to initiate and manage an Ajax request and `loadControls()` to create theme controls based on the results of the Ajax call. If third-party sections need to change the way controls are loaded, such as by using a custom control subclass of `WP_Customize_Theme_Control`, this allows them to use the core logic for managing the Ajax call and only override the actual control-creation process.
* Introduce `customize_load_themes` filter to facilitate loading themes from third-party sources (or modifying the results of the core sections).
* Bring significant improvements to the installed themes search filter.

Props celloexpressions.
Amends [41648].
See #37661.
Fixes #42049.

Built from https://develop.svn.wordpress.org/trunk@41807


git-svn-id: http://core.svn.wordpress.org/trunk@41641 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-10-10 07:09:52 +00:00
Gary Pendergast
58db3cb54e File Editor: Add support for more than one sub-directory level.
The theme and plugin editors now list all files in the selected theme or plugin, recursing through subdirectories as necessary.

Props WraithKenny, schlessera, chsxf, MikeHansenMe, Daedalon, valendesigns, westonruter, pento.
Fixes #6531.


Built from https://develop.svn.wordpress.org/trunk@41806


git-svn-id: http://core.svn.wordpress.org/trunk@41640 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-10-10 05:34:49 +00:00
Weston Ruter
1a22fb3b60 File Editor: Increase robustness of fatal error checking when saving PHP file edits.
* Increase PHP execution time limit prior to issuing loopback requests where are themselves given timeouts to ensure PHP file can be reverted.
* Output scrape messages on success and failure so that absence of either can also be flagged as an error condition.
* Forward browser's HTTP Basic Auth credentials in loopback requests to admin and home URL.
* Display more helpful message when loopback request fails.

Amends [41721].
See #21622.
Fixes #42102.

Built from https://develop.svn.wordpress.org/trunk@41805


git-svn-id: http://core.svn.wordpress.org/trunk@41639 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-10-10 05:27:49 +00:00
Weston Ruter
132c847087 Customize: Ensure customized changes pending to be written into changeset are successfully injected into Ajax requests in preview.
Amends [40704].
See #42162.

Built from https://develop.svn.wordpress.org/trunk@41804


git-svn-id: http://core.svn.wordpress.org/trunk@41638 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-10-10 04:51:47 +00:00
Weston Ruter
ef1c95ff91 Customize: Constrain focus when overlay notification is displayed.
* Restore previously-focused element when overlay notifications are dismissed.
* Allow notifications to be dismissed via keyboard.

Amends [41667].
See #42110, #35210, #39896.

Built from https://develop.svn.wordpress.org/trunk@41803


git-svn-id: http://core.svn.wordpress.org/trunk@41637 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-10-10 03:34:53 +00:00
Weston Ruter
f462387431 Customize: Improve keyboard accessibility for publish settings section.
Props sayedwp.
See #39896.
Fixes #42027.

Built from https://develop.svn.wordpress.org/trunk@41802


git-svn-id: http://core.svn.wordpress.org/trunk@41636 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-10-09 23:01:46 +00:00
Konstantin Obenland
756c052ccb Menus: Add social as tertiary mapping group
Allows mapping of all social menus that include the term `social` in their slug.

See #39692.

Built from https://develop.svn.wordpress.org/trunk@41801


git-svn-id: http://core.svn.wordpress.org/trunk@41635 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-10-09 21:23:47 +00:00
Adam Silverstein
ca30822541 Docs: add docs for meta authorization filters.
Add filter documentation for `auth_{$object_type}_meta_{$meta_key}` and `auth_{$object_type}_{$sub_type}_meta_{$meta_key}`.

Props ericlewis, johneckman, DrewAPicture.
Fixes #36319.

Built from https://develop.svn.wordpress.org/trunk@41800


git-svn-id: http://core.svn.wordpress.org/trunk@41634 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-10-09 19:14:52 +00:00
Weston Ruter
598e5f400e Customize: Add jsdoc for api.panel, api.section, api.control, and api.notifications collections.
Props shramee, westonruter.
Fixes #39930.

Built from https://develop.svn.wordpress.org/trunk@41799


git-svn-id: http://core.svn.wordpress.org/trunk@41633 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-10-09 18:56:55 +00:00
Konstantin Obenland
8911893672 Widgets: Update globals documentation.
It doesn't look like `wp_register_sidebar_widget()` ever used a global named `$wp_register_widget_defaults`. It does however make use of `$wp_registered_widget_controls` now.

See [8960], [30776].

Props upadalavipul.
Fixes #41592.


Built from https://develop.svn.wordpress.org/trunk@41798


git-svn-id: http://core.svn.wordpress.org/trunk@41632 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-10-09 16:35:47 +00:00
Weston Ruter
35b5c9e762 Customize: Eliminate use of customize-loader in core so Customizer is opened consistently in top window.
* Open the door for future browser history feature in #28536, which is currently not feasible when customize-loader is used.
* Remove customizer-loader from being used on admin screens for Dashboard, Themes, non-shiny theme install/update.
* Keep the customize-loader functionality available for plugins, for the time being. It may become deprecated.
* Ensure `return` param in customizer links in Themes screen update to reflect `search` updated by `pushState`.
* Persist `return` when reloading Customizer due to theme switch, autosave restoration, or changeset trashing.
* Use `location.replace()` instead of changing `location.href` when trashing.
* Hide theme browser while Themes screen is loading when there is a `search` to prevent flash of unfiltered themes.
* Use throttling instead of debouncing when searching themes to ensure that screen is updated immediately on page load.
* Fix encoding and decoding of `search` param between URL and search field.
* Add support for dismissing autosaves when closing customize-loader, when it is used by plugins.
* Skip sending changeset UUID to customize-loader for population in browser location if changeset branching is not enabled.

See #28536.
Fixes #40254.

Built from https://develop.svn.wordpress.org/trunk@41797


git-svn-id: http://core.svn.wordpress.org/trunk@41631 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-10-09 16:04:48 +00:00
John Blackbourn
c9e8431582 Users: Remove some links to the dashboard from My Sites for users who cannot access it.
See #41453

Built from https://develop.svn.wordpress.org/trunk@41796


git-svn-id: http://core.svn.wordpress.org/trunk@41630 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-10-09 15:22:46 +00:00
John Blackbourn
b25e759621 Networks and Sites: Correct the documentation for the update_site_cache parameter of WP_Site_Query.
Props welcher, sudar
Fixes #42155

Built from https://develop.svn.wordpress.org/trunk@41795


git-svn-id: http://core.svn.wordpress.org/trunk@41629 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-10-09 14:26:49 +00:00
John Blackbourn
f14b24792a Press This: Use "installation" when referring to the act of installing Press This.
Props Presskopp
Fixes #41620

Built from https://develop.svn.wordpress.org/trunk@41794


git-svn-id: http://core.svn.wordpress.org/trunk@41628 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-10-09 14:08:48 +00:00
John Blackbourn
8ec310d44c Customize: Don't use an abbreviation in screen reader help text.
Props pixolin
Fixes 42153

Built from https://develop.svn.wordpress.org/trunk@41793


git-svn-id: http://core.svn.wordpress.org/trunk@41627 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-10-09 13:49:52 +00:00
Dominik Schilling
3dfe22a425 Customize: Add context to "View All Locations" string.
This is about navigation menu locations. Also updates the array alignment to use spaces.

See #40104.
Built from https://develop.svn.wordpress.org/trunk@41792


git-svn-id: http://core.svn.wordpress.org/trunk@41626 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-10-08 16:34:49 +00:00
Dominik Schilling
3bee2912ea Customize: Use a consistent translator comment for the same strings.
See #21492.
Built from https://develop.svn.wordpress.org/trunk@41791


git-svn-id: http://core.svn.wordpress.org/trunk@41625 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-10-08 16:23:46 +00:00
Pascal Birchler
d323ea9e18 Customize: Add missing word in error message about already published changesets.
Introduced in [41626].

Fixes #42144.

Built from https://develop.svn.wordpress.org/trunk@41790


git-svn-id: http://core.svn.wordpress.org/trunk@41624 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-10-08 09:25:55 +00:00
Pascal Birchler
1478135c46 Database: Use numbered placeholders in error message in wpdb::prepare().
Props tobifjellner.
Fixes #42142.

Built from https://develop.svn.wordpress.org/trunk@41789


git-svn-id: http://core.svn.wordpress.org/trunk@41623 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-10-08 09:18:57 +00:00
Weston Ruter
a01ae9a8c3 Customize: Fix confusion related to visibility of Themes panel with drafted/scheduled changesets.
* Prevent autoloading an existing draft/future changeset when theme not active.
* Add missing notifications container to Themes panel.
* Remove deactivation of themes panel when selected status is not publish.
* Show notification in Themes panel when themes cannot be previewed and disable preview buttons.
* Reject installTheme call when theme preview not available.
* Return promise from installTheme and eliminate use of global events in favor of promises.

Props westonruter, melchoyce, zoonini.
See #37661, #39896.
Fixes #42126.


Built from https://develop.svn.wordpress.org/trunk@41788


git-svn-id: http://core.svn.wordpress.org/trunk@41622 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-10-07 06:00:54 +00:00