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<?php |
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/** |
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* OpenStation — Appearance window tab adaptations. |
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* |
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* The Appearance dock item opens an iframe of `themes.php` and uses |
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* the in-window submenu strip (built from the WP `$submenu` global) |
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* as its tab bar. WP Core does not register `theme-install.php` as a |
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* submenu of `themes.php`; classic admin instead surfaces it through |
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* the in-page "Add Theme" `.page-title-action` button. |
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* |
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* Inside chromeless we hide that button (it scrolled out of the |
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* iframe's visible area on first paint, leaving no entry point to |
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* the install flow — see assets/css/chromeless.css). This file |
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* compensates by injecting an "Add Theme" tab at the front of the |
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* Appearance window's submenu strip via the `openstation_dock_item` |
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* filter. |
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* |
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* Resulting tab order: Appearance | Add Theme | Editor | Fonts | … |
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* |
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* @package OpenStation |
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*/ |
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|
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defined( 'ABSPATH' ) || exit; |
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|
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/** |
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* Prepends an "Add Theme" entry to the Appearance dock item's submenu. |
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* |
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* Called once per dock item via {@see openstation_build_dock_items()}. |
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* Skipped for every menu other than `themes.php` and for users who |
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* lack the `install_themes` capability — matching what classic |
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* admin's "Add Theme" page-title-action enforces. |
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* |
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* @param array $dock_item The dock item data (id, title, icon, url, |
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* badge, submenu, multi, placement, isCore). |
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* @param string $menu_slug The menu slug — e.g. `themes.php`. |
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* @return array Filtered dock item. |
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*/ |
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function openstation_inject_appearance_tabs( $dock_item, $menu_slug ) { |
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if ( 'themes.php' !== $menu_slug ) { |
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return $dock_item; |
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} |
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|
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if ( ! current_user_can( 'install_themes' ) ) { |
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return $dock_item; |
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} |
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|
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if ( ! isset( $dock_item['submenu'] ) || ! is_array( $dock_item['submenu'] ) ) { |
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$dock_item['submenu'] = array(); |
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} |
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|
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// `?browse=popular` lands on the Popular tab (the JS installer |
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// router would default-redirect to this anyway when no sort is |
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// specified — passing it explicitly makes the intent visible |
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// AND avoids the brief flash where WP's Backbone router rewrites |
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// the URL after first paint, which inside the iframe re-arms the |
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// chromeless body class flicker). Other valid values: `new` |
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// (Latest), `block-themes`, `favorites`. |
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$add_theme = array( |
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'title' => __( 'Add Theme', 'desktop-mode' ), |
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'url' => admin_url( 'theme-install.php?browse=popular' ), |
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); |
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|
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// Idempotent: skip if a previous filter pass (or another plugin) |
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// already added an entry pointing at theme-install.php. |
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foreach ( $dock_item['submenu'] as $existing ) { |
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if ( ! empty( $existing['url'] ) && false !== strpos( $existing['url'], 'theme-install.php' ) ) { |
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return $dock_item; |
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} |
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} |
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|
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array_unshift( $dock_item['submenu'], $add_theme ); |
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|
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return $dock_item; |
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} |
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add_filter( 'openstation_dock_item', 'openstation_inject_appearance_tabs', 10, 2 ); |
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|
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/** |
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* Fixes the visible "active tab" state inside chromeless |
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* theme-install.php iframes. |
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* |
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* Background: WP's installer JS uses a Backbone router whose pattern |
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* `theme-install.php?browse=:sort` greedy-captures everything past |
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* `browse=` ([^/?]+ matches `&` too). Inside chromeless the URL also |
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* carries `openstation_chromeless=1`, so `:sort` ends up as |
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* `popular&openstation_chromeless=1`. WP's `view.sort()` then runs |
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* with that polluted value and the `[data-sort]` selector finds |
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* nothing — leaving every tab in the unselected state even though |
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* the popular themes ARE the rendered listing. |
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* |
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* Reordering query params or re-encoding doesn't help: any URL that |
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* exposes `browse=` to the router matches the route, and any URL |
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* that hides it falls through to a redirect that strips the |
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* chromeless flag (which would re-render the iframe with full admin |
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* chrome on next paint). |
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* |
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* The minimum-viable shim: inline JS that reads the real `browse` |
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* value dynamically via URLSearchParams on every check, finds the |
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* matching `[data-sort]` tab, and sets `current` + `aria-current` on it. |
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* A MutationObserver on `.filter-links` keeps the tab synced when WP's |
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* router fires or state changes (e.g. switching tabs to Latest or |
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* returning via pushState). |
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*/ |
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function openstation_theme_install_active_tab_script() { |
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if ( ! openstation_is_chromeless_request() ) { |
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return; |
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} |
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if ( ! isset( $GLOBALS['pagenow'] ) || 'theme-install.php' !== $GLOBALS['pagenow'] ) { |
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return; |
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} |
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|
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$js = <<<'JS' |
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( function () { |
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function getBrowseParam() { |
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return new URLSearchParams( window.location.search ).get( 'browse' ); |
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} |
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if ( ! getBrowseParam() ) { |
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return; |
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} |
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function applyActiveTab() { |
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var browseParam = getBrowseParam(); |
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if ( ! browseParam ) { |
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return true; |
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} |
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var match = document.querySelector( |
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'.filter-links li > a[data-sort="' + browseParam + '"]' |
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); |
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if ( ! match ) { |
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return false; |
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} |
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var tabs = document.querySelectorAll( '.filter-links li > a[data-sort]' ); |
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var alreadyCorrect = |
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match.classList.contains( 'current' ) && |
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Array.prototype.every.call( tabs, function ( a ) { |
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return a === match || ! a.classList.contains( 'current' ); |
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} ); |
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if ( alreadyCorrect ) { |
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return true; |
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} |
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Array.prototype.forEach.call( tabs, function ( a ) { |
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a.classList.remove( 'current' ); |
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a.removeAttribute( 'aria-current' ); |
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} ); |
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match.classList.add( 'current' ); |
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match.setAttribute( 'aria-current', 'page' ); |
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return true; |
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} |
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function init() { |
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if ( ! applyActiveTab() ) { |
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window.requestAnimationFrame( init ); |
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return; |
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} |
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var container = document.querySelector( '.filter-links' ); |
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if ( ! container ) { |
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return; |
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} |
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var pending = false; |
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var observer = new MutationObserver( function () { |
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if ( pending ) { |
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return; |
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} |
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pending = true; |
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window.requestAnimationFrame( function () { |
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pending = false; |
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applyActiveTab(); |
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} ); |
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} ); |
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observer.observe( container, { |
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attributes: true, |
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subtree: true, |
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attributeFilter: [ 'class', 'aria-current' ], |
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} ); |
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} |
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if ( document.readyState === 'loading' ) { |
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document.addEventListener( 'DOMContentLoaded', init ); |
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} else { |
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init(); |
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} |
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} )(); |
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JS; |
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|
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wp_print_inline_script_tag( $js ); |
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} |
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add_action( 'admin_footer', 'openstation_theme_install_active_tab_script', 100 ); |
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|
