* Move tabindex/focus code into `onChangeExpanded` so that it works for cases where `expand()` is called directly.
* Use `visibility: hidden` to hide hidden elements from keyboard focus and screen readers.
props celloexpressions.
fixes#31336.
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When changing the `page_on_front` setting (with `show_on_front`), change the previewed URL to be the home URL so that the effect can be seen. When changing `page_for_posts`, change the previewed URL to be the selected page.
Props valendesigns, westonruter.
Fixes#30677.
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The `args.completeCallback` was not always called when `onChangeExpanded()` was called. And when a section became inactive (`active` state goes to `false`) and it was currently `expanded`, the Customizer panel would then becomes blank as the section was hidden; it needed to `collapse()` the section first before hiding the element.
See #31336.
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* Always fall back to using the default template if no custom template exists.
* Provide a set of default params when constructing new `Section` and `Panel` objects.
Includes QUnit tests.
Props celloexpressions, westonruter, ocean90.
Fixes#30737.
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Headers are currently keyed by the basename of the image, see #31786. When two images have the same key only one image will be listed and the current image can be empty in the header control.
To prevent this we now fall back to the raw current header image if the image isn't in `_wpCustomizeHeader.uploads`.
props sirbrillig.
fixes#31742.
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This was broken since 4.0 and the introduction of user session tokens. The nonces are now tied to session tokens as opposed to user IDs, and thus they change with each re-login.
Custom nonces can be added through the `customize_refresh_nonces` filter. On a successful refresh request the JavaScript API will trigger a `nonce-refresh` event. See widget's update nonce as an example.
props westonruter for initial patch.
fixes#31294.
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* Detach Themes section from other controls
* Move to buttons to navigate back and forth
* Change titles based on current theme status, active/previewing
* Hide the active/previewing theme from the list of available themes
props folletto for the design concepts.
props designsimply, celloexpressions for initial patches.
props Team Gandalf.
see #31289.
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* Unset `wp_get_sidebars_widgets()`' non-admin cache var `$_wp_sidebars_widgets` in Customize theme preview.
* Add `WP_Customize_Setting::$dirty` so that settings can be initially-dirty when the Customizer loads.
* Mark `old_sidebars_widgets_data` setting initially-dirty.
* Mark all `sidebars_widgets` settings as initially-dirty during theme switch.
props westonruter.
see #31484.
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`WP_Customize_Media_Control` is a new base class for all Customizer media controls. If used directly it supports the ID of an attachment instead of an URL like `WP_Customize_Upload_Control`.
props celloexpressions.
fixes#29215.
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* Brings into core the Customizer Theme Switcher feature plugin
* You can now browse, preview, and activate themes right from the Customizer
fixes#31303.
props celloexpressions, afercia, westonruter, folletto, designsimply
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* Adopt the Header Image layout to the Background Image/Upload control.
* Remove templates for interactive audio/video previews. They haven't worked yet.
* Don't show a "Remove" button when the default value is set.
* Avoid calculating of container/placeholder heights which are unrelated to custom headers.
see #21483.
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* Mark panels, sections, controls as active if preview explicitly indicates.
* Introduce `WP_Customize_Sidebar_Section` PHP class, and `SidebarSection` JS class.
* Move logic for determining whether a sidebar section is active from the `SidebarControl` to `SidebarSection`.
props westonruter.
fixes#30235.
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jQuery does nothing when calling `slideUp` on elements that are not inserted into the DOM yet, which can now be the case now when first loading the Customizer as the panels, sections and controls get dynamically inserted, see #28709.
props westonruter.
fixes#30251.
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Update Twenty Fifteen's `colorScheme` control to properly interact with the API, using `wp.customize.control()` instead of traversing DOM for other controls' container elements and stop manually updating color control UIs.
props westonruter.
fixes#30031.
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