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<?php |
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|
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// functions common to all admin panels |
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class Polylang_Admin_Base extends Polylang_Base { |
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function __construct() { |
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parent::__construct(); |
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|
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// filter admin language for users |
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add_filter('locale', array(&$this, 'get_locale')); |
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|
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// set user preferences |
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add_action('admin_init', array(&$this, 'admin_init_base')); |
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|
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// adds the link to the languages panel in the wordpress admin menu |
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add_action('admin_menu', array(&$this, 'add_menus')); |
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|
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// setup js scripts and css styles |
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add_action('admin_enqueue_scripts', array(&$this, 'admin_enqueue_scripts')); |
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} |
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|
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// returns the locale based on user preference |
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function get_locale($locale) { |
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// get_current_user_id uses wp_get_current_user which may not be available the first time(s) get_locale is called |
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return function_exists('wp_get_current_user') && ($loc = get_user_meta(get_current_user_id(), 'user_lang', 'true')) ? $loc : $locale; |
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} |
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|
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// set user preferences |
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function admin_init_base() { |
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if (!$languages = $this->get_languages_list()) |
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return; |
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|
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// set text direction if the user set its own language |
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$locale = get_locale(); |
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foreach($languages as $lang) { |
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if ($locale == $lang->description) { |
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$GLOBALS['wp_locale']->text_direction = get_metadata('term', $lang->term_id, '_rtl', true) ? 'rtl' : 'ltr'; |
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break; |
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} |
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} |
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|
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// set user meta when choosing to filter content by language |
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// $_GET[lang] is used in ajax 'tag suggest' and is numeric when editing a language |
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if (!defined('DOING_AJAX') && !empty($_GET['lang']) && !is_numeric($_GET['lang'])) |
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update_user_meta(get_current_user_id(), 'pll_filter_content', ($lang = $this->get_language($_GET['lang'])) ? $lang->slug : ''); |
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|
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// adds the languages in admin bar |
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// FIXME: OK for WP 3.2 and newer (the admin bar is not displayed on admin side for WP 3.1) |
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add_action('admin_bar_menu', array(&$this, 'admin_bar_menu'), 100); // 100 determines the position |
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} |
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|
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// adds the link to the languages panel in the wordpress admin menu |
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function add_menus() { |
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add_submenu_page('options-general.php', $title = __('Languages', 'polylang'), $title, 'manage_options', 'mlang', array(&$this, 'languages_page')); |
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} |
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|
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// setup js scripts & css styles (only on the relevant pages) |
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function admin_enqueue_scripts() { |
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$screen = get_current_screen(); |
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$suffix = defined('SCRIPT_DEBUG') && SCRIPT_DEBUG ? '' : '.min'; |
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|
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// for each script: |
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// 0 => the pages on which to load the script |
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// 1 => the scripts it needs to work |
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// 2 => 1 if loaded even if languages have not been defined yet, 0 otherwise |
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$scripts = array( |
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'admin' => array( array('settings_page_mlang'), array('jquery', 'wp-ajax-response', 'postbox'), 1 ), |
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'post' => array( array('post', 'media', 'async-upload', 'edit'), array('jquery', 'wp-ajax-response'), 0 ), |
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'term' => array( array('edit-tags'), array('jquery', 'wp-ajax-response'), 0 ), |
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'user' => array( array('profile', 'user-edit'), array('jquery'), 0 ), |
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); |
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|
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foreach ($scripts as $script => $v) |
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if (in_array($screen->base, $v[0]) && ($v[2] || $this->get_languages_list())) |
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wp_enqueue_script('pll_'.$script, POLYLANG_URL .'/js/'.$script.$suffix.'.js', $v[1], POLYLANG_VERSION); |
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|
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if (in_array($screen->base, array('settings_page_mlang', 'post', 'edit-tags', 'edit', 'upload', 'media'))) |
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wp_enqueue_style('polylang_admin', POLYLANG_URL .'/css/admin'.$suffix.'.css', array(), POLYLANG_VERSION); |
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} |
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|
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// downloads mofiles |
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function download_mo($locale, $upgrade = false) { |
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global $wp_version; |
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$mofile = WP_LANG_DIR."/$locale.mo"; |
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|
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// does file exists ? |
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if ((file_exists($mofile) && !$upgrade) || $locale == 'en_US') |
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return true; |
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|
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// does language directory exists ? |
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if (!is_dir(WP_LANG_DIR)) { |
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if (!@mkdir(WP_LANG_DIR)) |
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return false; |
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} |
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|
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// will first look in tags/ (most languages) then in branches/ (only Greek ?) |
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$base = 'http://svn.automattic.com/wordpress-i18n/'.$locale; |
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$bases = array($base.'/tags/', $base.'/branches/'); |
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|
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foreach ($bases as $base) { |
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// get all the versions available in the subdirectory |
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$resp = wp_remote_get($base); |
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if (is_wp_error($resp) || 200 != $resp['response']['code']) |
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continue; |
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|
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preg_match_all('#>([0-9\.]+)\/#', $resp['body'], $matches); |
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if (empty($matches[1])) |
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continue; |
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|
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rsort($matches[1]); // sort from newest to oldest |
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$versions = $matches[1]; |
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|
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$newest = $upgrade ? $upgrade : $wp_version; |
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foreach ($versions as $key=>$version) { |
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// will not try to download a too recent mofile |
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if (version_compare($version, $newest, '>')) |
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unset($versions[$key]); |
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// will not download an older version if we are upgrading |
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if ($upgrade && version_compare($version, $wp_version, '<=')) |
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unset($versions[$key]); |
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} |
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|
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$versions = array_splice($versions, 0, 5); // reduce the number of versions to test to 5 |
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$args = array('timeout' => 30, 'stream' => true); |
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|
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// try to download the file |
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foreach ($versions as $version) { |
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$resp = wp_remote_get($base."$version/messages/$locale.mo", $args + array('filename' => $mofile)); |
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if (is_wp_error($resp) || 200 != $resp['response']['code']) { |
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unlink($mofile); // otherwise we download a gzipped 404 page |
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continue; |
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} |
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// try to download ms and continents-cities files if exist (will not return false if failed) |
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// with new files introduced in WP 3.4 |
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foreach (array('ms', 'continents-cities', 'admin', 'admin-network') as $file) { |
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$resp = wp_remote_get($base."$version/messages/$file-$locale.mo", $args + array('filename' => WP_LANG_DIR."/$file-$locale.mo")); |
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if (is_wp_error($resp) || 200 != $resp['response']['code']) |
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unlink(WP_LANG_DIR."/$file-$locale.mo"); |
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} |
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// try to download theme files if exist (will not return false if failed) |
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// FIXME not updated when the theme is updated outside a core update |
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foreach (array('twentyten', 'twentyeleven', 'twentytwelve', 'twentythirteen') as $theme) { |
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if (!is_dir($theme_dir = get_theme_root()."/$theme/languages")) |
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continue; // the theme is not present |
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|
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$resp = wp_remote_get($base."$version/messages/$theme/$locale.mo", $args + array('filename' => "$theme_dir/$locale.mo")); |
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if (is_wp_error($resp) || 200 != $resp['response']['code']) |
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unlink("$theme_dir/$locale.mo"); |
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} |
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return true; |
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} |
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} |
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// we did not succeeded to download a file :( |
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return false; |
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} |
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|
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// returns options available for the language switcher (menu or widget) |
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function get_switcher_options($type = 'widget', $key ='string') { |
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$options = array( |
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'show_names' => array('string' => __('Displays language names', 'polylang'), 'default' => 1), |
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'show_flags' => array('string' => __('Displays flags', 'polylang'), 'default' => 0), |
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'force_home' => array('string' => __('Forces link to front page', 'polylang'), 'default' => 0), |
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'hide_current' => array('string' => __('Hides the current language', 'polylang'), 'default' => 0), |
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); |
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|
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if ($type != 'menu') |
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$options['dropdown'] = array('string' => __('Displays as dropdown', 'polylang'), 'default' => 0); |
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|
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return array_map(create_function('$v', "return \$v['$key'];"), $options); |
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} |
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|
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// register strings for translation making sure it is not duplicate or empty |
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function register_string($name, $string, $context = 'polylang', $multiline = false) { |
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// backward compatibility with Polylang older than 1.1 |
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if (is_bool($context)) { |
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$multiline = $context; |
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$context = 'polylang'; |
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} |
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|
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$to_register = compact('name', 'string', 'context', 'multiline'); |
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if (!in_array($to_register, $this->strings) && $to_register['string']) |
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$this->strings[] = $to_register; |
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} |
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|
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// adds the languages in admin bar |
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function admin_bar_menu($wp_admin_bar) { |
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$url = ( is_ssl() ? 'https://' : 'http://' ) . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI']; |
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|
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// $_GET['lang'] is numeric when editing a language, not when selecting a new language in the filter |
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$selected = !empty($_GET['lang']) && !is_numeric($_GET['lang']) && ($lang = $this->get_language($_GET['lang'])) ? $lang->slug : |
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(($lg = get_user_meta(get_current_user_id(), 'pll_filter_content', true)) ? $lg : 'all'); |
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|
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$all_item = array((object) array('slug' => 'all', 'name' => __('Show all languages', 'polylang'))); |
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|
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$wp_admin_bar->add_menu(array( |
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'id' => 'languages', |
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'title' => __('Languages', 'polylang'), |
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'meta' => array('title' => __('Filters content by language', 'polylang')), |
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)); |
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|
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foreach (array_merge($all_item, $this->get_languages_list()) as $lang) { |
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$href = esc_url(add_query_arg('lang', $lang->slug, $url)); |
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$wp_admin_bar->add_menu(array( |
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'parent' => 'languages', |
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'id' => $lang->slug, |
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'title' => sprintf( |
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'<input name="language" type="radio" onclick="location.href=%s" value="%s" %s /> %s', // FIXME this works but produces invalid html |
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"'" . $href . "'", // onclick is needed for Chrome browser, thanks to RavanH for the bug report and fix |
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esc_attr($lang->slug), |
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$selected == $lang->slug ? 'checked="checked"' : '', |
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esc_html($lang->name) |
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), |
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'href' => $href, |
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)); |
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} |
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} |
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|
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} // class Polylang_Admin_Base |
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|
