errors) && $wp_filesystem->errors->get_error_code() ) return new WP_Error('fs_error', __('Filesystem error.'), $wp_filesystem->errors); // Get the base plugin folder. $themes_dir = $wp_filesystem->wp_themes_dir(); if ( empty( $themes_dir ) ) { return new WP_Error( 'fs_no_themes_dir', __( 'Unable to locate WordPress theme directory.' ) ); } $themes_dir = trailingslashit( $themes_dir ); $theme_dir = trailingslashit( $themes_dir . $stylesheet ); $deleted = $wp_filesystem->delete( $theme_dir, true ); if ( ! $deleted ) { return new WP_Error( 'could_not_remove_theme', sprintf( __( 'Could not fully remove the theme %s.' ), $stylesheet ) ); } $theme_translations = wp_get_installed_translations( 'themes' ); // Remove language files, silently. if ( ! empty( $theme_translations[ $stylesheet ] ) ) { $translations = $theme_translations[ $stylesheet ]; foreach ( $translations as $translation => $data ) { $wp_filesystem->delete( WP_LANG_DIR . '/themes/' . $stylesheet . '-' . $translation . '.po' ); $wp_filesystem->delete( WP_LANG_DIR . '/themes/' . $stylesheet . '-' . $translation . '.mo' ); } } // Force refresh of theme update information. delete_site_transient( 'update_themes' ); return true; } /** * Get the Page Templates available in this theme * * @since 1.5.0 * * @param WP_Post|null $post Optional. The post being edited, provided for context. * @return array Key is the template name, value is the filename of the template */ function get_page_templates( $post = null ) { return array_flip( wp_get_theme()->get_page_templates( $post ) ); } /** * Tidies a filename for url display by the theme editor. * * @since 2.9.0 * @access private * * @param string $fullpath Full path to the theme file * @param string $containingfolder Path of the theme parent folder * @return string */ function _get_template_edit_filename($fullpath, $containingfolder) { return str_replace(dirname(dirname( $containingfolder )) , '', $fullpath); } /** * Check if there is an update for a theme available. * * Will display link, if there is an update available. * * @since 2.7.0 * @see get_theme_update_available() * * @param object $theme Theme data object. */ function theme_update_available( $theme ) { echo get_theme_update_available( $theme ); } /** * Retrieve the update link if there is a theme update available. * * Will return a link if there is an update available. * * @since 3.8.0 * * @param WP_Theme $theme WP_Theme object. * @return false|string HTML for the update link, or false if invalid info was passed. */ function get_theme_update_available( $theme ) { static $themes_update; if ( !current_user_can('update_themes' ) ) return false; if ( !isset($themes_update) ) $themes_update = get_site_transient('update_themes'); if ( ! ( $theme instanceof WP_Theme ) ) { return false; } $stylesheet = $theme->get_stylesheet(); $html = ''; if ( isset($themes_update->response[ $stylesheet ]) ) { $update = $themes_update->response[ $stylesheet ]; $theme_name = $theme->display('Name'); $details_url = add_query_arg(array('TB_iframe' => 'true', 'width' => 1024, 'height' => 800), $update['url']); //Theme browser inside WP? replace this, Also, theme preview JS will override this on the available list. $update_url = wp_nonce_url( admin_url( 'update.php?action=upgrade-theme&theme=' . urlencode( $stylesheet ) ), 'upgrade-theme_' . $stylesheet ); $update_onclick = 'onclick="if ( confirm(\'' . esc_js( __("Updating this theme will lose any customizations you have made. 'Cancel' to stop, 'OK' to update.") ) . '\') ) {return true;}return false;"'; if ( !is_multisite() ) { if ( ! current_user_can('update_themes') ) { $html = sprintf( '

' . __( 'There is a new version of %1$s available. View version %4$s details.' ) . '

', $theme_name, esc_url( $details_url ), esc_attr( $theme['Name'] ), $update['new_version'] ); } elseif ( empty( $update['package'] ) ) { $html = sprintf( '

' . __( 'There is a new version of %1$s available. View version %4$s details. Automatic update is unavailable for this theme.' ) . '

', $theme_name, esc_url( $details_url ), esc_attr( $theme['Name'] ), $update['new_version'] ); } else { $html = sprintf( '

' . __( 'There is a new version of %1$s available. View version %4$s details or update now.' ) . '

', $theme_name, esc_url( $details_url ), esc_attr( $theme['Name'] ), $update['new_version'], $update_url, $update_onclick ); } } } return $html; } /** * Retrieve list of WordPress theme features (aka theme tags) * * @since 3.1.0 * * @param bool $api Optional. Whether try to fetch tags from the WP.org API. Defaults to true. * @return array Array of features keyed by category with translations keyed by slug. */ function get_theme_feature_list( $api = true ) { // Hard-coded list is used if api not accessible. $features = array( __( 'Colors' ) => array( 'black' => __( 'Black' ), 'blue' => __( 'Blue' ), 'brown' => __( 'Brown' ), 'gray' => __( 'Gray' ), 'green' => __( 'Green' ), 'orange' => __( 'Orange' ), 'pink' => __( 'Pink' ), 'purple' => __( 'Purple' ), 'red' => __( 'Red' ), 'silver' => __( 'Silver' ), 'tan' => __( 'Tan' ), 'white' => __( 'White' ), 'yellow' => __( 'Yellow' ), 'dark' => __( 'Dark' ), 'light' => __( 'Light' ), ), __( 'Layout' ) => array( 'fixed-layout' => __( 'Fixed Layout' ), 'fluid-layout' => __( 'Fluid Layout' ), 'responsive-layout' => __( 'Responsive Layout' ), 'one-column' => __( 'One Column' ), 'two-columns' => __( 'Two Columns' ), 'three-columns' => __( 'Three Columns' ), 'four-columns' => __( 'Four Columns' ), 'left-sidebar' => __( 'Left Sidebar' ), 'right-sidebar' => __( 'Right Sidebar' ), ), __( 'Features' ) => array( 'accessibility-ready' => __( 'Accessibility Ready' ), 'blavatar' => __( 'Blavatar' ), 'buddypress' => __( 'BuddyPress' ), 'custom-background' => __( 'Custom Background' ), 'custom-colors' => __( 'Custom Colors' ), 'custom-header' => __( 'Custom Header' ), 'custom-menu' => __( 'Custom Menu' ), 'editor-style' => __( 'Editor Style' ), 'featured-image-header' => __( 'Featured Image Header' ), 'featured-images' => __( 'Featured Images' ), 'flexible-header' => __( 'Flexible Header' ), 'front-page-post-form' => __( 'Front Page Posting' ), 'full-width-template' => __( 'Full Width Template' ), 'microformats' => __( 'Microformats' ), 'post-formats' => __( 'Post Formats' ), 'rtl-language-support' => __( 'RTL Language Support' ), 'sticky-post' => __( 'Sticky Post' ), 'theme-options' => __( 'Theme Options' ), 'threaded-comments' => __( 'Threaded Comments' ), 'translation-ready' => __( 'Translation Ready' ), ), __( 'Subject' ) => array( 'holiday' => __( 'Holiday' ), 'photoblogging' => __( 'Photoblogging' ), 'seasonal' => __( 'Seasonal' ), ) ); if ( ! $api || ! current_user_can( 'install_themes' ) ) return $features; if ( !$feature_list = get_site_transient( 'wporg_theme_feature_list' ) ) set_site_transient( 'wporg_theme_feature_list', array(), 3 * HOUR_IN_SECONDS ); if ( !$feature_list ) { $feature_list = themes_api( 'feature_list', array() ); if ( is_wp_error( $feature_list ) ) return $features; } if ( !$feature_list ) return $features; set_site_transient( 'wporg_theme_feature_list', $feature_list, 3 * HOUR_IN_SECONDS ); $category_translations = array( 'Colors' => __( 'Colors' ), 'Layout' => __( 'Layout' ), 'Features' => __( 'Features' ), 'Subject' => __( 'Subject' ) ); // Loop over the wporg canonical list and apply translations $wporg_features = array(); foreach ( (array) $feature_list as $feature_category => $feature_items ) { if ( isset($category_translations[$feature_category]) ) $feature_category = $category_translations[$feature_category]; $wporg_features[$feature_category] = array(); foreach ( $feature_items as $feature ) { if ( isset($features[$feature_category][$feature]) ) $wporg_features[$feature_category][$feature] = $features[$feature_category][$feature]; else $wporg_features[$feature_category][$feature] = $feature; } } return $wporg_features; } /** * Retrieve theme installer pages from WordPress Themes API. * * It is possible for a theme to override the Themes API result with three * filters. Assume this is for themes, which can extend on the Theme Info to * offer more choices. This is very powerful and must be used with care, when * overriding the filters. * * The first filter, 'themes_api_args', is for the args and gives the action as * the second parameter. The hook for 'themes_api_args' must ensure that an * object is returned. * * The second filter, 'themes_api', is the result that would be returned. * * @since 2.8.0 * * @param string $action The requested action. Likely values are 'theme_information', * 'feature_list', or 'query_themes'. * @param array|object $args Optional. Arguments to serialize for the Theme Info API. * @return mixed */ function themes_api( $action, $args = null ) { if ( is_array( $args ) ) { $args = (object) $args; } if ( ! isset( $args->per_page ) ) { $args->per_page = 24; } if ( ! isset( $args->locale ) ) { $args->locale = get_locale(); } /** * Filter arguments used to query for installer pages from the WordPress.org Themes API. * * Important: An object MUST be returned to this filter. * * @since 2.8.0 * * @param object $args Arguments used to query for installer pages from the WordPress.org Themes API. * @param string $action Requested action. Likely values are 'theme_information', * 'feature_list', or 'query_themes'. */ $args = apply_filters( 'themes_api_args', $args, $action ); /** * Filter whether to override the WordPress.org Themes API. * * Returning a value of true to this filter allows a theme to completely * override the built-in WordPress.org API. * * @since 2.8.0 * * @param bool $bool Whether to override the WordPress.org Themes API. Default false. * @param string $action Requested action. Likely values are 'theme_information', * 'feature_list', or 'query_themes'. * @param object $args Arguments used to query for installer pages from the Themes API. */ $res = apply_filters( 'themes_api', false, $action, $args ); if ( ! $res ) { $url = $http_url = 'http://api.wordpress.org/themes/info/1.0/'; if ( $ssl = wp_http_supports( array( 'ssl' ) ) ) $url = set_url_scheme( $url, 'https' ); $http_args = array( 'body' => array( 'action' => $action, 'request' => serialize( $args ) ) ); $request = wp_remote_post( $url, $http_args ); if ( $ssl && is_wp_error( $request ) ) { if ( ! defined( 'DOING_AJAX' ) || ! DOING_AJAX ) { trigger_error( __( 'An unexpected error occurred. Something may be wrong with WordPress.org or this server’s configuration. If you continue to have problems, please try the support forums.' ) . ' ' . __( '(WordPress could not establish a secure connection to WordPress.org. Please contact your server administrator.)' ), headers_sent() || WP_DEBUG ? E_USER_WARNING : E_USER_NOTICE ); } $request = wp_remote_post( $http_url, $http_args ); } if ( is_wp_error($request) ) { $res = new WP_Error('themes_api_failed', __( 'An unexpected error occurred. Something may be wrong with WordPress.org or this server’s configuration. If you continue to have problems, please try the support forums.' ), $request->get_error_message() ); } else { $res = maybe_unserialize( wp_remote_retrieve_body( $request ) ); if ( ! is_object( $res ) && ! is_array( $res ) ) $res = new WP_Error('themes_api_failed', __( 'An unexpected error occurred. Something may be wrong with WordPress.org or this server’s configuration. If you continue to have problems, please try the support forums.' ), wp_remote_retrieve_body( $request ) ); } } /** * Filter the returned WordPress.org Themes API response. * * @since 2.8.0 * * @param array|object $res WordPress.org Themes API response. * @param string $action Requested action. Likely values are 'theme_information', * 'feature_list', or 'query_themes'. * @param object $args Arguments used to query for installer pages from the WordPress.org Themes API. */ return apply_filters( 'themes_api_result', $res, $action, $args ); } /** * Prepare themes for JavaScript. * * @since 3.8.0 * * @param array $themes Optional. Array of WP_Theme objects to prepare. * Defaults to all allowed themes. * * @return array An associative array of theme data, sorted by name. */ function wp_prepare_themes_for_js( $themes = null ) { $current_theme = get_stylesheet(); /** * Filter theme data before it is prepared for JavaScript. * * Passing a non-empty array will result in wp_prepare_themes_for_js() returning * early with that value instead. * * @since 4.2.0 * * @param array $prepared_themes An associative array of theme data. Default empty array. * @param null|array $themes An array of WP_Theme objects to prepare, if any. * @param string $current_theme The current theme slug. */ $prepared_themes = (array) apply_filters( 'pre_wp_prepare_themes_for_js', array(), $themes, $current_theme ); if ( ! empty( $prepared_themes ) ) { return $prepared_themes; } // Make sure the current theme is listed first. $prepared_themes[ $current_theme ] = array(); if ( null === $themes ) { $themes = wp_get_themes( array( 'allowed' => true ) ); if ( ! isset( $themes[ $current_theme ] ) ) { $themes[ $current_theme ] = wp_get_theme(); } } $updates = array(); if ( current_user_can( 'update_themes' ) ) { $updates_transient = get_site_transient( 'update_themes' ); if ( isset( $updates_transient->response ) ) { $updates = $updates_transient->response; } } WP_Theme::sort_by_name( $themes ); $parents = array(); foreach ( $themes as $theme ) { $slug = $theme->get_stylesheet(); $encoded_slug = urlencode( $slug ); $parent = false; if ( $theme->parent() ) { $parent = $theme->parent()->display( 'Name' ); $parents[ $slug ] = $theme->parent()->get_stylesheet(); } $prepared_themes[ $slug ] = array( 'id' => $slug, 'name' => $theme->display( 'Name' ), 'screenshot' => array( $theme->get_screenshot() ), // @todo multiple 'description' => $theme->display( 'Description' ), 'author' => $theme->display( 'Author', false, true ), 'authorAndUri' => $theme->display( 'Author' ), 'version' => $theme->display( 'Version' ), 'tags' => $theme->display( 'Tags' ), 'parent' => $parent, 'active' => $slug === $current_theme, 'hasUpdate' => isset( $updates[ $slug ] ), 'update' => get_theme_update_available( $theme ), 'actions' => array( 'activate' => current_user_can( 'switch_themes' ) ? wp_nonce_url( admin_url( 'themes.php?action=activate&stylesheet=' . $encoded_slug ), 'switch-theme_' . $slug ) : null, 'customize' => ( current_user_can( 'edit_theme_options' ) && current_user_can( 'customize' ) ) ? wp_customize_url( $slug ) : null, 'preview' => add_query_arg( array( 'preview' => 1, 'template' => urlencode( $theme->get_template() ), 'stylesheet' => urlencode( $slug ), 'preview_iframe' => true, 'TB_iframe' => true, ), home_url( '/' ) ), 'delete' => current_user_can( 'delete_themes' ) ? wp_nonce_url( admin_url( 'themes.php?action=delete&stylesheet=' . $encoded_slug ), 'delete-theme_' . $slug ) : null, ), ); } // Remove 'delete' action if theme has an active child if ( ! empty( $parents ) && array_key_exists( $current_theme, $parents ) ) { unset( $prepared_themes[ $parents[ $current_theme ] ]['actions']['delete'] ); } /** * Filter the themes prepared for JavaScript, for themes.php. * * Could be useful for changing the order, which is by name by default. * * @since 3.8.0 * * @param array $prepared_themes Array of themes. */ $prepared_themes = apply_filters( 'wp_prepare_themes_for_js', $prepared_themes ); return array_values( $prepared_themes ); } /** * Print JS templates for the theme-browsing UI in the Customizer. * * @since 4.2.0 */ function customize_themes_print_templates() { ?>