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) ); // 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 * * @return array Key is the template name, value is the filename of the template */ function get_page_templates() { return array_flip( wp_get_theme()->get_page_templates() ); } /** * 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 an update for a theme available. * * Will return a link, if there is an update available. * * @since 3.8.0 * * @param object $theme Theme data object. * @return string|bool HTML for the update link, or False if no valid 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 ( ! is_a( $theme, '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$s available. View version %3$s details.') . '

', $theme_name, $details_url, $update['new_version']); } else if ( empty( $update['package'] ) ) { $html = sprintf( '

' . __('There is a new version of %1$s available. View version %3$s details. Automatic update is unavailable for this theme.') . '

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

' . __('There is a new version of %1$s available. View version %3$s details or update now.') . '

', $theme_name, $details_url, $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' ), ), __( 'Columns' ) => array( 'one-column' => __( 'One Column' ), 'two-columns' => __( 'Two Columns' ), 'three-columns' => __( 'Three Columns' ), 'four-columns' => __( 'Four Columns' ), 'left-sidebar' => __( 'Left Sidebar' ), 'right-sidebar' => __( 'Right Sidebar' ), ), __( 'Width' ) => array( 'fixed-width' => __( 'Fixed Width' ), 'flexible-width' => __( 'Flexible Width' ), ), __( 'Features' ) => array( '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(), 10800); 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, 10800 ); $category_translations = array( 'Colors' => __('Colors'), 'Columns' => __('Columns'), 'Width' => __('Width'), '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 * overridding 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; /** * 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' ); $args = array( 'body' => array( 'action' => $action, 'request' => serialize( $args ) ) ); $request = wp_remote_post( $url, $args ); if ( $ssl && is_wp_error( $request ) ) { 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, $args ); } if ( is_wp_error($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 ) { $prepared_themes = array(); $current_theme = get_stylesheet(); 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 ); foreach ( $themes as $theme ) { $parent = false; if ( $theme->parent() ) { $parent = $theme->parent()->display( 'Name' ); } $slug = $theme->get_stylesheet(); $encoded_slug = urlencode( $slug ); $prepared_themes[] = array( 'id' => $slug, 'name' => $theme->display( 'Name' ), 'screenshot' => array( $theme->get_screenshot() ), // @todo multiple 'description' => $theme->display( 'Description' ), 'author' => $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' ) ? wp_customize_url( $slug ) : null, 'delete' => current_user_can( 'delete_themes' ) ? wp_nonce_url( admin_url( 'themes.php?action=delete&stylesheet=' . $encoded_slug ), 'delete-theme_' . $slug ) : null, ), ); } /** * 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. */ return apply_filters( 'wp_prepare_themes_for_js', $prepared_themes ); }