wordpress/php-fpm/wordpress_files/plugins/polylang/settings/settings.php

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2020-05-22 03:40:23 +02:00
<?php
/**
* A class for the Polylang settings pages
* accessible in $polylang global object
*
* Properties:
* options => inherited, reference to Polylang options array
* model => inherited, reference to PLL_Model object
* links_model => inherited, reference to PLL_Links_Model object
* links => inherited, reference to PLL_Admin_Links object
* static_pages => inherited, reference to PLL_Admin_Static_Pages object
* filters_links => inherited, reference to PLL_Filters_Links object
* curlang => inherited, optional, current language used to filter admin content
* pref_lang => inherited, preferred language used as default when saving posts or terms
*
* @since 1.2
*/
class PLL_Settings extends PLL_Admin_Base {
/**
* Name of the active module
*
* @var string $active_tab
*/
protected $active_tab;
/**
* Array of modules classes
*
* @var array $modules
*/
protected $modules;
/**
* Reference to PLL_Import_Export
*
* @var PLL_Import_Export $import_export
*/
protected $import_export;
/**
* Constructor
*
* @since 1.2
*
* @param object $links_model
*/
public function __construct( &$links_model ) {
parent::__construct( $links_model );
if ( isset( $_GET['page'] ) ) { // phpcs:ignore WordPress.Security.NonceVerification
$this->active_tab = 'mlang' === $_GET['page'] ? 'lang' : substr( sanitize_key( $_GET['page'] ), 6 ); // phpcs:ignore WordPress.Security.NonceVerification
}
PLL_Admin_Strings::init();
if ( class_exists( 'PLL_Import_Export' ) ) {
$this->import_export = new PLL_Import_Export( $this );
}
// FIXME put this as late as possible
add_action( 'admin_init', array( $this, 'register_settings_modules' ) );
// Adds screen options and the about box in the languages admin panel
add_action( 'load-toplevel_page_mlang', array( $this, 'load_page' ) );
add_action( 'load-languages_page_mlang_strings', array( $this, 'load_page_strings' ) );
// Saves per-page value in screen option
add_filter( 'set-screen-option', array( $this, 'set_screen_option' ), 10, 3 );
}
/**
* Initializes the modules
*
* @since 1.8
*/
public function register_settings_modules() {
$modules = array(
'PLL_Settings_Licenses',
);
if ( $this->model->get_languages_list() ) {
$modules = array_merge(
array(
'PLL_Settings_Url',
'PLL_Settings_Browser',
'PLL_Settings_Media',
'PLL_Settings_CPT',
'PLL_Settings_Sync',
'PLL_Settings_WPML',
'PLL_Settings_Share_Slug',
'PLL_Settings_Translate_Slugs',
),
$modules
);
}
/**
* Filter the list of setting modules
*
* @since 1.8
*
* @param array $modules the list of module classes
*/
$modules = apply_filters( 'pll_settings_modules', $modules );
foreach ( $modules as $key => $class ) {
$key = is_numeric( $key ) ? strtolower( str_replace( 'PLL_Settings_', '', $class ) ) : $key;
$this->modules[ $key ] = new $class( $this );
}
}
/**
* Loads the about metabox
*
* @since 0.8
*/
public function metabox_about() {
include PLL_SETTINGS_INC . '/view-about.php';
}
/**
* Adds screen options and the about box in the languages admin panel
*
* @since 0.9.5
*/
public function load_page() {
if ( ! defined( 'PLL_DISPLAY_ABOUT' ) || PLL_DISPLAY_ABOUT ) {
add_meta_box(
'pll-about-box',
__( 'About Polylang', 'polylang' ),
array( $this, 'metabox_about' ),
'toplevel_page_mlang',
'normal'
);
}
add_screen_option(
'per_page',
array(
'label' => __( 'Languages', 'polylang' ),
'default' => 10,
'option' => 'pll_lang_per_page',
)
);
add_action( 'admin_notices', array( $this, 'notice_objects_with_no_lang' ) );
}
/**
* Adds screen options in the strings translations admin panel
*
* @since 2.1
*/
public function load_page_strings() {
add_screen_option(
'per_page',
array(
'label' => __( 'Strings translations', 'polylang' ),
'default' => 10,
'option' => 'pll_strings_per_page',
)
);
}
/**
* Save the "Views/Uploads per page" option set by this user
*
* @since 0.9.5
*
* @param mixed $status false or value returned by previous filter
* @param string $option Name of the option being changed
* @param string $value Value of the option
*
* @return string New value if this is our option, otherwise nothing
*/
public function set_screen_option( $status, $option, $value ) {
return 'pll_lang_per_page' === $option || 'pll_strings_per_page' === $option ? $value : $status;
}
/**
* Manages the user input for the languages pages
*
* @since 1.9
*
* @param string $action
*/
public function handle_actions( $action ) {
switch ( $action ) {
case 'add':
check_admin_referer( 'add-lang', '_wpnonce_add-lang' );
$errors = $this->model->add_language( $_POST );
if ( is_wp_error( $errors ) ) {
foreach ( $errors->get_error_messages() as $message ) {
add_settings_error( 'general', 'pll_add_language', $message );
}
} else {
add_settings_error( 'general', 'pll_languages_created', __( 'Language added.', 'polylang' ), 'updated' );
$locale = sanitize_text_field( wp_unslash( $_POST['locale'] ) ); // phpcs:ignore WordPress.Security
if ( 'en_US' !== $locale ) {
// Attempts to install the language pack
require_once ABSPATH . 'wp-admin/includes/translation-install.php';
if ( ! wp_download_language_pack( $locale ) ) {
add_settings_error( 'general', 'pll_download_mo', __( 'The language was created, but the WordPress language file was not downloaded. Please install it manually.', 'polylang' ) );
}
// Force checking for themes and plugins translations updates
wp_clean_themes_cache();
wp_clean_plugins_cache();
}
}
self::redirect(); // To refresh the page ( possible thanks to the $_GET['noheader']=true )
break;
case 'delete':
check_admin_referer( 'delete-lang' );
if ( ! empty( $_GET['lang'] ) && $this->model->delete_language( (int) $_GET['lang'] ) ) {
add_settings_error( 'general', 'pll_languages_deleted', __( 'Language deleted.', 'polylang' ), 'updated' );
}
self::redirect(); // To refresh the page ( possible thanks to the $_GET['noheader']=true )
break;
case 'update':
check_admin_referer( 'add-lang', '_wpnonce_add-lang' );
$errors = $this->model->update_language( $_POST );
if ( is_wp_error( $errors ) ) {
foreach ( $errors->get_error_messages() as $message ) {
add_settings_error( 'general', 'pll_update_language', $message );
}
} else {
add_settings_error( 'general', 'pll_languages_updated', __( 'Language updated.', 'polylang' ), 'updated' );
}
self::redirect(); // To refresh the page ( possible thanks to the $_GET['noheader']=true )
break;
case 'default-lang':
check_admin_referer( 'default-lang' );
if ( $lang = $this->model->get_language( (int) $_GET['lang'] ) ) {
$this->model->update_default_lang( $lang->slug );
}
self::redirect(); // To refresh the page ( possible thanks to the $_GET['noheader']=true )
break;
case 'content-default-lang':
check_admin_referer( 'content-default-lang' );
if ( $nolang = $this->model->get_objects_with_no_lang() ) {
if ( ! empty( $nolang['posts'] ) ) {
$this->model->set_language_in_mass( 'post', $nolang['posts'], $this->options['default_lang'] );
}
if ( ! empty( $nolang['terms'] ) ) {
$this->model->set_language_in_mass( 'term', $nolang['terms'], $this->options['default_lang'] );
}
}
self::redirect(); // To refresh the page ( possible thanks to the $_GET['noheader']=true )
break;
case 'activate':
check_admin_referer( 'pll_activate' );
if ( isset( $_GET['module'] ) ) {
$module = sanitize_key( $_GET['module'] );
if ( isset( $this->modules[ $module ] ) ) {
$this->modules[ $module ]->activate();
}
}
self::redirect();
break;
case 'deactivate':
check_admin_referer( 'pll_deactivate' );
if ( isset( $_GET['module'] ) ) {
$module = sanitize_key( $_GET['module'] );
if ( isset( $this->modules[ $module ] ) ) {
$this->modules[ $module ]->deactivate();
}
}
self::redirect();
break;
default:
/**
* Fires when a non default action has been sent to Polylang settings
*
* @since 1.8
*/
do_action( "mlang_action_$action" );
break;
}
}
/**
* Displays the 3 tabs pages: languages, strings translations, settings
* Also manages user input for these pages
*
* @since 0.1
*/
public function languages_page() {
switch ( $this->active_tab ) {
case 'lang':
// Prepare the list table of languages
$list_table = new PLL_Table_Languages();
$list_table->prepare_items( $this->model->get_languages_list() );
break;
case 'strings':
$string_table = new PLL_Table_String( $this->model->get_languages_list() );
$string_table->prepare_items();
break;
}
// Handle user input
$action = isset( $_REQUEST['pll_action'] ) ? sanitize_key( $_REQUEST['pll_action'] ) : ''; // phpcs:ignore WordPress.Security.NonceVerification
if ( 'edit' === $action && ! empty( $_GET['lang'] ) ) { // phpcs:ignore WordPress.Security.NonceVerification
// phpcs:ignore WordPress.Security.NonceVerification, WordPressVIPMinimum.Variables.VariableAnalysis.UnusedVariable
$edit_lang = $this->model->get_language( (int) $_GET['lang'] );
} else {
$this->handle_actions( $action );
}
// Displays the page
include PLL_SETTINGS_INC . '/view-languages.php';
}
/**
* Enqueues scripts and styles
*/
public function admin_enqueue_scripts() {
parent::admin_enqueue_scripts();
$suffix = defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ? '' : '.min';
wp_enqueue_script( 'pll_admin', plugins_url( '/js/admin' . $suffix . '.js', POLYLANG_FILE ), array( 'jquery', 'wp-ajax-response', 'postbox', 'jquery-ui-selectmenu' ), POLYLANG_VERSION );
wp_localize_script( 'pll_admin', 'pll_flag_base_url', plugins_url( '/flags/', POLYLANG_FILE ) );
wp_enqueue_style( 'pll_selectmenu', plugins_url( '/css/selectmenu' . $suffix . '.css', POLYLANG_FILE ), array(), POLYLANG_VERSION );
}
/**
* Displays a notice when there are objects with no language assigned
*
* @since 1.8
*/
public function notice_objects_with_no_lang() {
if ( ! empty( $this->options['default_lang'] ) && $this->model->get_objects_with_no_lang( 1 ) ) {
printf(
'<div class="error"><p>%s <a href="%s">%s</a></p></div>',
esc_html__( 'There are posts, pages, categories or tags without language.', 'polylang' ),
esc_url( wp_nonce_url( '?page=mlang&pll_action=content-default-lang&noheader=true', 'content-default-lang' ) ),
esc_html__( 'You can set them all to the default language.', 'polylang' )
);
}
}
/**
* Redirects to language page ( current active tab )
* saves error messages in a transient for reuse in redirected page
*
* @since 1.5
*
* @param array $args query arguments to add to the url
*/
public static function redirect( $args = array() ) {
if ( $errors = get_settings_errors() ) {
set_transient( 'settings_errors', $errors, 30 );
$args['settings-updated'] = 1;
}
// Remove possible 'pll_action' and 'lang' query args from the referer before redirecting
wp_safe_redirect( add_query_arg( $args, remove_query_arg( array( 'pll_action', 'lang' ), wp_get_referer() ) ) );
exit;
}
/**
* Get the list of predefined languages
*
* @since 2.3
*/
public static function get_predefined_languages() {
require_once ABSPATH . 'wp-admin/includes/translation-install.php';
$languages = include PLL_SETTINGS_INC . '/languages.php';
$translations = wp_get_available_translations();
// Keep only languages with existing WP language pack
// Unless the transient has expired and we don't have an internet connection to refresh it
if ( ! empty( $translations ) ) {
$translations['en_US'] = ''; // Languages packs don't include en_US
$languages = array_intersect_key( $languages, $translations );
}
/**
* Filter the list of predefined languages
*
* @since 1.7.10
* @since 2.3 The languages arrays use associative keys instead of numerical keys
* @see settings/languages.php
*
* @param array $languages
*/
$languages = apply_filters( 'pll_predefined_languages', $languages );
// Keep only languages with all necessary informations
foreach ( $languages as $k => $lang ) {
if ( ! isset( $lang['code'], $lang['locale'], $lang['name'], $lang['dir'], $lang['flag'] ) ) {
unset( $languages[ $k ] );
}
}
return $languages;
}
}