Module developed by Jose A. Reyero, www.reyero.net
' ); case 'admin/modules#description' : return t('Enables multilingual content. Requires locale module for interface translation' ); } } /** * Implementation of hook_menu(). * Modify rewriting conditions when viewing specific nodes */ function i18n_menu($may_cache) { $items = array(); if (!$may_cache) { if (arg(0) == 'node') { if(isset($_POST['edit']['language']) && $_POST['edit']['language']) { $language = $_POST['edit']['language']; } elseif( is_numeric(arg(1)) && $node = node_load(arg(1)) ) { // Node language when loading specific nodes $language = $node->language; } if($language) i18n_selection_mode('node', db_escape_string($language)); } elseif(arg(0) == 'admin') { // No restrictions for administration pages i18n_selection_mode('off'); } } return $items; } /** * Implementation of hook_settings(). * * Some options have been removed from previous versions: * - Languages are now taken from locale module unless defined in settings file * - Language dependent tables are authomatically used if defined in settings file */ function i18n_settings() { $form['i18n_browser'] = array( '#type' => 'radios', '#title' => t('Browser language detection'), '#default_value' => variable_get('i18n_browser', 0), '#options' => array(t('Disabled'), t('Enabled' )), '#description' => t('A description of this setting.'), ); // Language icons $form['icons'] = array( '#type' => 'fieldset', '#title' => t('Language icons settings'), '#collapsible' => TRUE, '#collapsed' => FALSE, ); $form['icons']['i18n_icon_path'] = array( '#type' => 'textfield', '#title' => t('Language icons path'), '#default_value' => variable_get('i18n_icon_path', drupal_get_path('module', 'i18n').'/flags/*.png'), '#size' => 70, '#maxlength' => 180, '#description' => t('Path for language icons, relative to Drupal installation. \'*\' is a placeholder for language code.'), ); $form['icons']['i18n_icon_size'] = array( '#type' => 'textfield', '#title' => t('Language icons size'), '#default_value' => variable_get('i18n_icon_size', '16x12'), '#size' => 10, '#maxlength' => 10, '#description' => t('Image size for language icons, in the form "width x height".'), ); // Advanced options $form['advanced'] = array( '#type' => 'fieldset', '#title' => t('Advanced settings'), '#collapsible' => TRUE, '#collapsed' => TRUE, ); $form['advanced']['i18n_selection_mode'] = array( '#type' => 'radios', '#title' => t('Content selection mode'), '#default_value' => variable_get('i18n_selection_mode', 'simple'), '#options' => _i18n_selection_mode(), '#description' => t('Determines which content to show depending on language.'), ); return $form; } /** * Simple i18n API */ /** * Get list of supported languages */ function i18n_supported_languages() { global $i18n_languages; static $languages; if ($languages) { return $languages; } elseif($languages = variable_get('i18n_languages', 0)) { return $languages; } elseif ($languages = _i18n_locale_supported_languages()) { return $languages; } else { return array(); } } /** * Returns default language */ function i18n_default_language(){ $languages = i18n_supported_languages(); return key($languages); } /** * Get language from browser settings, but only if it is a valid language */ function i18n_get_browser_lang() { $languages = i18n_supported_languages(); $exploded_server = explode(";",$_SERVER["HTTP_ACCEPT_LANGUAGE"]); $accept=explode(',',array_shift($exploded_server)); foreach ($accept as $lang) { $lang=substr($lang,0,2); if ( !empty($lang) && array_key_exists($lang, $languages)) { return $lang; } } } /** * Get language code from path. * * @param $path * @param $trim = TRUE to remove language code from $path */ function i18n_get_lang_prefix(&$path, $trim = FALSE) { $exploded_path = explode('/', $path); $maybelang = array_shift($exploded_path); $languages = i18n_supported_languages(); if(array_key_exists($maybelang, $languages)){ if($trim) { $path = trim(substr($path, strlen($maybelang)),'/'); } return $maybelang; } } /** * Language dependent front page * This function will search for aliases like 'en/home', 'es/home'... */ function i18n_frontpage($lang = NULL) { $lang = $lang ? $lang : _i18n_get_lang(); return i18n_get_normal_path($lang.'/'.variable_get('site_frontpage','node')); } /** * This function is similar to drupal_get_normal_path, but language-aware * Also removes language from path */ function i18n_get_normal_path($path) { $prefix = i18n_get_lang_prefix($path, TRUE); if(!$prefix || _i18n_is_bootstrap()){ // If bootstrap, drupal_lookup_path is not defined return $path; } // First, check alias with lang elseif($alias = drupal_lookup_path('source', $prefix.'/'.$path)){ i18n_get_lang_prefix($alias, TRUE); // In case alias has language return $alias; } // Check alias without lang elseif($alias = drupal_lookup_path('source', $path)){ i18n_get_lang_prefix($alias, TRUE); return $alias; } else { return $path; } } /** * More i18n API */ /** * Produces i18n paths, with language prefix * If path is empty or site frontpage, path = 'lang' * Check for frontpage and search for alias before adding language */ function i18n_path($path, $lang) { if (!$path || $path == i18n_frontpage($lang)) { return $lang; } elseif($alias = drupal_lookup_path('alias', $path)) { if($prefix = i18n_get_lang_prefix($alias)) { // This alias will be valid only if it has the same language return ($prefix == $lang) ? $alias : $lang.'/'.$path; } else { // Alias without language prefix return $lang.'/'.$alias; } } else { // Alias for language path will be searched later return $lang.'/'.$path; } } function i18n_node_get_lang($nid, $default = '') { $lang = db_result(db_query('SELECT language FROM {i18n_node} WHERE nid=%d',$nid)); return $lang ? $lang : $default ; } /** * Returns main language, two letter code */ function i18n_get_main_lang($lang = NULL){ $lang = $lang ? $lang : i18n_get_lang(); return substr($lang, 2); } /** * Function i18n_get_links * * Returns an array of links for all languages, with or without names/flags */ function i18n_get_links($path = '') { if($path == i18n_frontpage()) { $path = ''; } foreach(i18n_supported_languages() as $lang => $name){ $links[$lang]= theme('i18n_link', $name, i18n_path($path, $lang), $lang); } return $links; } /** * Gets language, checking in order: * * 1. Path language * 2. User language * 3. Browser language * 4. Default language */ function _i18n_get_lang() { global $user, $i18n_langpath; static $i18n_lang; // Check whether the language is already set. if ($i18n_lang) { return $i18n_lang; } // Language not set, find one $languages = i18n_supported_languages(); if ($i18n_langpath && array_key_exists($i18n_langpath,$languages)) { $i18n_lang = $i18n_langpath; } elseif ($user->uid && $user->language && array_key_exists($user->language,$languages)) { $i18n_lang = $user->language; } elseif (variable_get("i18n_browser",0) && $lang=i18n_get_browser_lang()) { $i18n_lang=$lang; } else { $i18n_lang=key($languages); } return $i18n_lang; } /** * Check whether we are in bootstrap mode */ function _i18n_is_bootstrap(){ return !function_exists('drupal_get_headers'); } /** * Sets db_prefix to given language */ function _i18n_set_db_prefix($lang) { global $db_prefix, $db_prefix_i18n; if (is_array($db_prefix_i18n)) { $db_prefix = array_merge($db_prefix, str_replace('**', $lang, $db_prefix_i18n)); } } /** * To get the original path. * Cannot use $_GET["q"] cause it may have been already changed */ function _i18n_get_original_path() { return isset($_REQUEST["q"]) ? trim($_REQUEST["q"],"/") : ''; } /** * Returns list of enabled languages from locale module * * Some code borrowed from locale module. * And yes, if locale enabled, languages are cached twice. But better twice than never ;-) */ function _i18n_locale_supported_languages() { if(function_exists('locale_supported_languages')){ $languages = locale_supported_languages(); return $languages['name']; } else { $result = db_query('SELECT locale, name FROM {locales_meta} WHERE enabled = 1 ORDER BY isdefault DESC, name ASC'); while ($row = db_fetch_object($result)) { $enabled[$row->locale] = $row->name; } return $enabled; } } /** * Emulates drupal_goto, it may not be loaded yet */ function _i18n_goto($lang){ if(!function_exists('drupal_goto')){ require_once './includes/common.inc'; require_once './includes/path.inc'; } drupal_goto($lang); } /** * i18n_selection_mode * * Allows several modes for query rewriting and to change them programatically * off = No language conditions inserted * simple = Only current language and no language * mixed = Only current and default languages * strict = Only current language * default = Only default language * user = User defined, in the module's settings page * params = Gets the stored params * reset = Returns to previous * custom = add custom where clause, like "%alias.language = 'en'" */ function i18n_selection_mode($mode= NULL, $params= NULL){ static $current_mode = 'simple'; static $current_value = ''; static $store = array(); if(!$mode) { return $current_mode; } elseif($mode == 'params'){ return $current_value; } elseif($mode == 'reset'){ list($current_mode, $current_value) = array_pop($store); //drupal_set_message("i18n mode reset mode=$current_mode value=$current_value"); } else { array_push($store, array($current_mode, $current_value)); $current_mode = $mode; $current_value = $params; } } function _i18n_selection_mode(){ return array( 'simple' => t('Only current language and no language'), 'mixed' => t('Only current and default languages and no language'), 'default' => t('Only default language and no language'), 'strict' => t('Only current language'), 'off' => t('All content. No language conditions apply'), ); } /** * @name Themeable functions * @{ */ /** * Produces a language link with the right flag */ function theme_i18n_link($text, $target, $lang, $separator=' '){ $output = ''; $attributes = ($lang == i18n_get_lang()) ? array('class' => 'active') : NULL; $output .= l(theme('i18n_language_icon', $lang), $target, $attributes, NULL, NULL, FALSE, TRUE); $output .= $separator; $output .= l($text, $target, $attributes, NULL, NULL, FALSE, TRUE); $output .= ''; return $output; } function theme_i18n_language_icon($lang){ if ($path = variable_get('i18n_icon_path', drupal_get_path('module', 'i18n').'/flags/*.png')) { $languages = i18n_supported_languages(); $src = base_path().str_replace('*', $lang, $path); list($width, $height) = explode('x', variable_get('i18n_icon_size', '16x12')); $attribs = array('class' => 'i18n-icon', 'width' => $width, 'height' => $height, 'alt' => $languages[$lang]); return "