975 lines
33 KiB
Text
975 lines
33 KiB
Text
<?php
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/**
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* @file
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* Internationalization (i18n) module.
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*
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* This module extends multilingual support being the base module for the i18n package.
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* - Multilingual variables
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* - Extended languages for nodes
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* - Extended language API
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*
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* @author Jose A. Reyero, 2004
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*/
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// Some constants. Language support modes for content
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define('LANGUAGE_SUPPORT_NONE', 0);
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define('LANGUAGE_SUPPORT_NORMAL', 1);
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define('LANGUAGE_SUPPORT_EXTENDED', 2);
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define('LANGUAGE_SUPPORT_EXTENDED_NOT_DISPLAYED', 3);
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/**
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* Implementation of hook_boot()
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*
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* Initialize variables, that will be used to decide on site_frontpage
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*/
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function i18n_boot() {
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drupal_bootstrap(DRUPAL_BOOTSTRAP_LANGUAGE);
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_i18n_init();
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}
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/**
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* Implementation of hook_init().
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*
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* Special fix for site_frontpage, that may have been used before the language variables are loaded.
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*/
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function i18n_init() {
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// If not in bootstrap, variable init. Otherwise we are serving a cached page so we don't need anything else.
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if (!_i18n_is_bootstrap()) {
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_i18n_init(TRUE);
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_i18n_init_mode();
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}
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}
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/**
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* Initialize multilingual variables and use them for site_frontpage
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*
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* Special fix for site_frontpage, that may have been used before the language variables are loaded.
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*/
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function _i18n_init($check_frontpage = FALSE) {
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static $done, $default_frontpage;
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// Prevent this function from running twice;
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if (!isset($done)) {
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$done = TRUE;
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$default_frontpage = variable_get('site_frontpage', 'node');
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i18n_variable_init();
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}
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// We do aditional frontpage check if this has run after first bootstrap phase.
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// But if this runs in hook_boot we should be ok
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if ($check_frontpage && $default_frontpage != variable_get('site_frontpage', 'node') && $_GET['q'] == drupal_get_normal_path($default_frontpage)) {
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$_GET['q'] = drupal_get_normal_path(variable_get('site_frontpage', 'node'));
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}
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}
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/**
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* Initialize selection mode
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*/
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function _i18n_init_mode() {
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if (i18n_selection_mode() != 'off') {
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// Node language when loading specific nodes or creating translations.
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if (arg(0) == 'node' ) {
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// We shouldn't call menu_get_object() because it may end up calling i18n_selection_mode(), see #614548
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// Also we better don't do the full node loading here because there may be missing modules (init)
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if (is_numeric(arg(1)) && (arg(2) == 'edit') && ($lang = i18n_node_get_lang(arg(1)))) {
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i18n_selection_mode('node', $lang);
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}
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elseif (arg(1) == 'add' && !empty($_GET['translation']) && !empty($_GET['language'])) {
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i18n_selection_mode('translation', db_escape_string($_GET['language']));
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}
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}
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elseif (arg(0) == 'admin') {
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// There are some exceptions for admin pages.
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if (arg(1) == 'content' && user_access('administer all languages')) {
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// No restrictions for administration pages.
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i18n_selection_mode('off');
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}
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elseif (arg(1) == 'build' && (arg(2) == 'menu-customize' || arg(2) == 'menu')) {
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// All nodes available when editing custom menu items.
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i18n_selection_mode('off');
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}
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}
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}
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}
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/**
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* Implementation of hook_help().
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*/
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function i18n_help($path = 'admin/help#i18n', $arg) {
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switch ($path) {
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case 'admin/help#i18n' :
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$output = '<p>'. t('This module improves support for multilingual content in Drupal sites:') .'</p>';
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$output .= '<ul>';
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$output .= '<li>'. t('Shows content depending on page language.') .'</li>';
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$output .= '<li>'. t('Handles multilingual variables.') .'</li>';
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$output .= '<li>'. t('Extended language option for chosen content types. For these content types transations will be allowed for all defined languages, not only for enabled ones.') .'</li>';
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$output .= '<li>'. t('Provides a block for language selection and two theme functions: <em>i18n_flags</em> and <em>i18n_links</em>.') .'</li>';
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$output .= '</ul>';
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$output .= '<p>'. t('This is the base module for several others adding different features:') .'</p>';
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$output .= '<ul>';
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$output .= '<li>'. t('Multilingual menu items.') .'</li>';
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$output .= '<li>'. t('Multilingual taxonomy adds a language field for taxonomy vocabularies and terms.') .'</li>';
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$output .= '</ul>';
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$output .= '<p>'. t('For more information, see the online handbook entry for <a href="@i18n">Internationalization module</a>.', array('@i18n' => 'http://drupal.org/node/133977')) .'</p>';
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return $output;
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case 'admin/settings/language/i18n':
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$output = '<ul>';
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$output .= '<li>'. t('To enable multilingual support for specific content types go to <a href="@configure_content_types">configure content types</a>.', array('@configure_content_types' => url('admin/content/types'))) .'</li>';
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$output .= '</ul>';
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return $output;
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}
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}
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/**
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* Implementation of hook_menu().
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*/
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function i18n_menu() {
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$items['admin/settings/language/i18n'] = array(
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'title' => 'Multilingual system',
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'description' => 'Configure extended options for multilingual content and translations.',
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'page callback' => 'drupal_get_form',
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'page arguments' => array('i18n_admin_settings'),
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'access arguments' => array('administer site configuration'),
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'file' => 'i18n.admin.inc',
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'type' => MENU_LOCAL_TASK,
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'weight' => 10,
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);
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$items['admin/settings/language/i18n/configure'] = array(
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'title' => 'Options',
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'description' => 'Configure extended options for multilingual content and translations.',
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//'page callback' => 'drupal_get_form',
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//'page arguments' => array('i18n_admin_settings'),
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//'access arguments' => array('administer site configuration'),
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'file' => 'i18n.admin.inc',
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'type' => MENU_DEFAULT_LOCAL_TASK,
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);
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$items['admin/settings/language/i18n/variables'] = array(
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'title' => 'Variables',
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'description' => 'Multilingual variables.',
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'page callback' => 'drupal_get_form',
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'page arguments' => array('i18n_admin_variables_form'),
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'access arguments' => array('administer site configuration'),
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'file' => 'i18n.admin.inc',
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'type' => MENU_LOCAL_TASK,
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);
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// Autocomplete callback for nodes
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$items['i18n/node/autocomplete'] = array(
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'title' => 'Node title autocomplete',
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'page callback' => 'i18n_node_autocomplete',
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'access arguments' => array('access content'),
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'type' => MENU_CALLBACK,
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'file' => 'i18n.pages.inc',
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);
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return $items;
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}
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/**
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* Implementation of hook_menu_alter().
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*
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* Take over the node translation page.
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*/
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function i18n_menu_alter(&$items) {
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$items['node/%node/translate']['page callback'] = 'i18n_translation_node_overview';
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$items['node/%node/translate']['file'] = 'i18n.pages.inc';
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$items['node/%node/translate']['module'] = 'i18n';
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}
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/**
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* Implementation of hook_nodeapi().
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*/
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function i18n_nodeapi(&$node, $op, $a3 = NULL, $a4 = NULL) {
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global $language;
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if (variable_get('language_content_type_' . $node->type, 0)) {
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// Set current language for new nodes if option enabled
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if ($op == 'prepare' && empty($node->nid) && empty($node->language) && variable_get('i18n_newnode_current_' . $node->type, 0)) {
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$node->language = $language->language;
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}
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}
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}
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/**
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* Implementation of hook_alter_translation_link().
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*
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* Handles links for extended language. The links will have current language.
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*/
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function i18n_translation_link_alter(&$links, $path) {
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global $language;
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// Check for a node related path, and for its translations.
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if ((preg_match("!^node/([0-9]+)(/.+|)$!", $path, $matches)) && ($node = node_load((int)$matches[1])) && !empty($node->tnid)) {
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// make sure language support is set to LANGUAGE_SUPPORT_EXTENDED, so links
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// dont get added for LANGUAGE_SUPPORT_EXTENDED_NOT_DISPLAYED
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if (variable_get('i18n_node_'. $node->type, LANGUAGE_SUPPORT_NORMAL) == LANGUAGE_SUPPORT_EXTENDED) {
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$languages = language_list();
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$extended = array();
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foreach (translation_node_get_translations($node->tnid) as $langcode => $translation_node) {
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if (!isset($links[$langcode]) && isset($languages[$langcode])) {
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$extended[$langcode] = array(
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'href' => 'node/'. $translation_node->nid . $matches[2],
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'language' => $language,
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'language_icon' => $languages[$langcode],
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'title' => $languages[$langcode]->native,
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'attributes' => array('class' => 'language-link'),
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);
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}
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}
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// This will run after languageicon module, so we add icon in case that one is enabled.
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if ($extended && function_exists('languageicons_translation_link_alter')) {
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languageicons_translation_link_alter($extended, $path);
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}
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$links = array_merge($links, $extended);
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}
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}
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}
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/**
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* Implementation of hook_link_alter().
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*
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* Handles links for extended languages. Sets current interface language.
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*/
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function i18n_link_alter(&$links, $node) {
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global $language;
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$language_support = variable_get('i18n_node_'. $node->type, LANGUAGE_SUPPORT_NORMAL);
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// Hide node translation links.
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if (variable_get('i18n_hide_translation_links', 0) == 1) {
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foreach ($links as $module => $link) {
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if (strpos($module, 'node_translation') === 0) {
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unset($links[$module]);
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}
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}
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}
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if (!empty($node->tnid)) {
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foreach (array_keys(i18n_language_list('extended')) as $langcode) {
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$index = 'node_translation_'. $langcode;
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if (!empty($links[$index])) {
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if ($language_support != LANGUAGE_SUPPORT_EXTENDED && $links[$index]['language']->enabled == 0) {
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unset($links[$index]);
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}
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else {
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$links[$index]['language'] = $language;
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}
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}
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}
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}
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}
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/**
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* Implementation of hook_user().
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*
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* Switch to user's language after login.
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*/
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function i18n_user($op, &$edit, &$account, $category = NULL) {
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if ($op == 'login' && $account->language) {
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i18n_get_lang($account->language);
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}
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}
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/**
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* Implementation of hook_elements().
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*
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* Add a process callback for textfields.
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*/
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function i18n_elements() {
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$type = array();
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$type['textfield'] = array('#process' => array('i18n_textfield_process'));
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return $type;
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}
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/**
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* Process callback for textfield elements.
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*
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* When editing or translating a node, set Javascript to rewrite autocomplete
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* paths to use the node language prefix rather than the current content one.
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*/
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function i18n_textfield_process($element) {
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global $language;
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static $sent = FALSE;
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// Ensure we send the Javascript only once.
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if (!$sent && isset($element['#autocomplete_path']) && !empty($element['#autocomplete_path']) && variable_get('language_negotiation', LANGUAGE_NEGOTIATION_NONE) != LANGUAGE_NEGOTIATION_NONE) {
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// Add a JS file for node forms.
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// Determine if we are either editing or translating an existing node.
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// We can't act on regular node creation because we don't have a specified
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// node language.
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$node_edit = $node = menu_get_object() && arg(2) == 'edit' && isset($node->language) && !empty($node->language);
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$node_translate = arg(0) == 'node' && arg(1) == 'add' && !empty($_GET['translation']) && !empty($_GET['language']);
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if ($node_edit || $node_translate) {
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$node_language = $node_edit ? $node->language : $_GET['language'];
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// Only needed if the node language is different from the interface one.
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if ($node_language != $language->language) {
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$languages = language_list();
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if (isset($languages[$node_language])) {
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drupal_add_js(drupal_get_path('module', 'i18n') . '/i18n.js');
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// Pass the interface and content language base paths.
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// Remove any trailing forward slash. Doing so prevents a mismatch
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// that occurs when a language has no prefix and hence gets a path
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// with a trailing forward slash.
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$interface = rtrim(url('', array('absolute' => TRUE)), '/');
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$content = rtrim(url('', array('absolute' => TRUE, 'language' => $languages[$node_language])), '/');
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$data = array('interface_path' => $interface, 'content_path' => $content);
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drupal_add_js(array('i18n' => $data), 'setting');
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}
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}
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}
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$sent = TRUE;
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}
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return $element;
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}
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/**
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* Simple i18n API
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*/
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/**
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* Get language properties.
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*
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* @param $code
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* Language code.
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* @param $property
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* It may be 'name', 'native', 'ltr'...
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*/
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function i18n_language_property($code, $property) {
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$languages = language_list();
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return isset($languages[$code]->$property) ? $languages[$code]->$property : NULL;
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}
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/**
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* Get node language.
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*/
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function i18n_node_get_lang($nid, $default = '') {
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$lang = db_result(db_query('SELECT language FROM {node} WHERE nid = %d', $nid));
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return $lang ? $lang : $default ;
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}
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/**
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* Get allowed languages for node.
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*
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* This allows node types to define its own language list implementing hook 'language_list'.
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*
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* @param $node
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* Node to retrieve language list for.
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* @param $translate
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* Only languages available for translation. Filter out existing translations.
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*/
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function i18n_node_language_list($node, $translate = FALSE) {
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// Check if the node module manages its own language list.
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$languages = node_invoke($node, 'language_list', $translate);
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if (!$languages) {
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if (variable_get('i18n_node_'. $node->type, 0) >= LANGUAGE_SUPPORT_EXTENDED) {
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$languages = locale_language_list('name', TRUE); // All defined languages
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}
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else {
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$languages = locale_language_list(); // All enabled languages
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}
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if ($translate && isset($node->tnid) && $node->tnid && ($translations = translation_node_get_translations($node->tnid))) {
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unset($translations[$node->language]);
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foreach (array_keys($translations) as $langcode) {
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unset($languages[$langcode]);
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}
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}
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// Language may be locked for this node type, restrict options to current one
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if (variable_get('i18n_lock_node_' . $node->type, 0) && !empty($node->language) && !empty($languages[$node->language])) {
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$languages = array($node->language => $languages[$node->language]);
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}
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// Check language required for this type (no language neutral)
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elseif (!variable_get('i18n_required_node_' . $node->type, 0)) {
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$languages = array('' => t('Language neutral')) + $languages;
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}
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}
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return $languages;
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}
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/**
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* Selection mode for content.
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*
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* Warning: when used with params they need to be escaped, as some values are thrown directly in queries.
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*
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* Allows several modes for query rewriting and to change them programatically.
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* off = No language conditions inserted.
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* simple = Only current language and no language.
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* mixed = Only current and default languages.
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* strict = Only current language.
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* default = Only default language.
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* user = User defined, in the module's settings page.
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* params = Gets the stored params.
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* reset = Returns to previous.
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* custom = add custom where clause, like "%alias.language = 'en'".
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*/
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function i18n_selection_mode($mode = NULL, $params = NULL) {
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static $current_mode;
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static $current_value = '';
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static $store = array();
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// Initialization, first time this runs
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if (!isset($current_mode)) {
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$current_mode = variable_get('i18n_selection_mode', 'simple');
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}
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if (!$mode) {
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return $current_mode;
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}
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elseif ($mode == 'params') {
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return $current_value;
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}
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elseif ($mode == 'reset') {
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list($current_mode, $current_value) = array_pop($store);
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}
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else {
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array_push($store, array($current_mode, $current_value));
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$current_mode = $mode;
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$current_value = $params;
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}
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}
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/**
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* Implementation of hook_db_rewrite_sql().
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*
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* Rewrite node queries so language selection options are enforced.
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*/
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function i18n_db_rewrite_sql($query, $primary_table, $primary_key, $args = array()) {
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// If mode is 'off' = no rewrite, we cannot return any empty 'where' string so check here.
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$mode = i18n_selection_mode();
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if ($mode == 'off') return;
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// Disable language conditions for views.
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if (array_key_exists('view', $args)) return;
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switch ($primary_table) {
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case 'n':
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case 'node':
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// No rewrite for queries with subselect ? (views count queries).
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// @ TO DO Actually these queries look un-rewrittable, check with other developers.
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if (preg_match("/FROM \(SELECT/", $query)) return;
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// No rewrite for translation module queries.
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if (preg_match("/.*FROM {node} $primary_table WHERE.*$primary_table\.tnid/", $query)) return;
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// When loading specific nodes, language conditions shouldn't apply.
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if (preg_match("/WHERE.*\s$primary_table.nid\s*=\s*(\d|%d)/", $query)) return;
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// If language conditions already there, get out.
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if (preg_match("/i18n/", $query)) return;
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// Mixed mode is a bit more complex, we need to join in one more table
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// and add some more conditions, but only if language is not default.
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if ($mode == 'mixed') {
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$result['where'] = i18n_db_rewrite_where($primary_table, 'node', 'simple');
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if (i18n_get_lang() != i18n_default_language()) {
|
|
$result['join'] = "LEFT JOIN {node} i18n ON $primary_table.tnid > 0 AND $primary_table.tnid = i18n.tnid AND i18n.language = '". i18n_get_lang() ."'";
|
|
// So we show also nodes that have default language.
|
|
$result['where'] .= " OR $primary_table.language = '". i18n_default_language() ."' AND i18n.nid IS NULL";
|
|
}
|
|
}
|
|
else {
|
|
$result['where'] = i18n_db_rewrite_where($primary_table, 'node', $mode);
|
|
}
|
|
return $result;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Rewrites queries depending on rewriting mode.
|
|
*/
|
|
function i18n_db_rewrite_where($alias, $type, $mode = NULL) {
|
|
if (!$mode) {
|
|
// Some exceptions for query rewrites.
|
|
$mode = i18n_selection_mode();
|
|
}
|
|
|
|
// Get languages to simplify query building.
|
|
$current = i18n_get_lang();
|
|
$default = i18n_default_language();
|
|
|
|
if ($mode == 'strict' && $type != 'node') {
|
|
// Special case. Selection mode is 'strict' but this should be only for node queries.
|
|
$mode = 'simple';
|
|
}
|
|
elseif ($mode == 'mixed' && $current == $default) {
|
|
// If mode is mixed but current = default, is the same as 'simple'.
|
|
$mode = 'simple';
|
|
}
|
|
|
|
switch ($mode) {
|
|
case 'off':
|
|
return '';
|
|
|
|
case 'simple':
|
|
return "$alias.language ='$current' OR $alias.language ='' OR $alias.language IS NULL" ;
|
|
|
|
case 'mixed':
|
|
return "$alias.language ='$current' OR $alias.language ='$default' OR $alias.language ='' OR $alias.language IS NULL" ;
|
|
|
|
case 'strict':
|
|
return "$alias.language ='$current'" ;
|
|
|
|
case 'node':
|
|
case 'translation':
|
|
return "$alias.language ='". i18n_selection_mode('params') ."' OR $alias.language ='' OR $alias.language IS NULL" ;
|
|
|
|
case 'default':
|
|
return "$alias.language ='$default' OR $alias.language ='' OR $alias.language IS NULL" ;
|
|
|
|
case 'custom':
|
|
return str_replace('%alias', $alias, i18n_selection_mode('params'));
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Implementation of hook_preprocess_page().
|
|
*
|
|
* Add the language code to the classes for the <body> tag. Unfortunately, some
|
|
* themes will not respect the variable we're modifying to achieve this - in
|
|
* particular, Garland and Minelli do not.
|
|
*/
|
|
function i18n_preprocess_page(&$variables) {
|
|
if (isset($variables['body_classes'])) {
|
|
global $language;
|
|
$variables['body_classes'] .= ' i18n-' . $language->language;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Implementation of hook_exit().
|
|
*/
|
|
function i18n_exit() {
|
|
_i18n_variable_exit();
|
|
}
|
|
|
|
/**
|
|
* Implementation of hook_form_alter();
|
|
*
|
|
* This is the place to add language fields to all forms.
|
|
*/
|
|
function i18n_form_alter(&$form, $form_state, $form_id) {
|
|
global $language;
|
|
|
|
switch ($form_id) {
|
|
case 'node_type_form':
|
|
$disabled = !variable_get('language_content_type_'. $form['#node_type']->type, 0);
|
|
$form['i18n'] = array(
|
|
'#type' => 'fieldset',
|
|
'#title' => t('Multilanguage options'),
|
|
'#collapsible' => TRUE,
|
|
'#collapsed' => TRUE,
|
|
'#description' => t('Extended multilingual options provided by Internationalization module.'),
|
|
'#disabled' => $disabled,
|
|
);
|
|
// Add disabled message
|
|
if ($disabled) {
|
|
$form['i18n']['#description'] .= ' <em>' . t('These will be available only when you enable Multilingual support in Workflow settings above.') . '</em>';
|
|
}
|
|
// Some settings about node languages
|
|
$form['i18n']['options'] = array(
|
|
'#title' => t('Options for node language'),
|
|
'#type' => 'fieldset',
|
|
'#disabled' => $disabled,
|
|
);
|
|
$form['i18n']['options']['i18n_newnode_current'] = array(
|
|
'#type' => 'checkbox',
|
|
'#title' => t('Set current language as default for new content.'),
|
|
'#default_value' => variable_get('i18n_newnode_current_' . $form['#node_type']->type, 0),
|
|
'#disabled' => $disabled,
|
|
);
|
|
$form['i18n']['options']['i18n_required_node'] = array(
|
|
'#type' => 'checkbox',
|
|
'#title' => t('Require language (Do not allow Language Neutral).'),
|
|
'#default_value' => variable_get('i18n_required_node_' . $form['#node_type']->type, 0),
|
|
'#disabled' => $disabled,
|
|
);
|
|
$form['i18n']['options']['i18n_lock_node'] = array(
|
|
'#type' => 'checkbox',
|
|
'#title' => t('Lock language (Cannot be changed).'),
|
|
'#default_value' => variable_get('i18n_lock_node_' . $form['#node_type']->type, 0),
|
|
'#disabled' => $disabled,
|
|
);
|
|
// Add extended language support option to content type form.
|
|
$form['i18n']['i18n_node'] = array(
|
|
'#type' => 'radios',
|
|
'#title' => t('Extended language support'),
|
|
'#default_value' => variable_get('i18n_node_'. $form['#node_type']->type, LANGUAGE_SUPPORT_NORMAL),
|
|
'#options' => _i18n_content_language_options(),
|
|
'#description' => t('If enabled, all defined languages will be allowed for this content type in addition to only enabled ones. This is useful to have more languages for content than for the interface.'),
|
|
'#disabled' => $disabled,
|
|
);
|
|
break;
|
|
|
|
default:
|
|
// Extensions for node edit forms
|
|
if (isset($form['#id']) && $form['#id'] == 'node-form') {
|
|
if (isset($form['#node']->type)) {
|
|
if (variable_get('language_content_type_'. $form['#node']->type, 0)) {
|
|
if (!empty($form['language']['#options'])) {
|
|
$form['language']['#options'] = i18n_node_language_list($form['#node'], TRUE);
|
|
}
|
|
}
|
|
elseif (!isset($form['#node']->nid)) {
|
|
// Set language to empty for not multilingual nodes when creating
|
|
$form['language'] = array('#type' => 'value', '#value' => '');
|
|
}
|
|
}
|
|
}
|
|
|
|
// Multilingual variables in settings form.
|
|
if (isset($form['#theme']) && $form['#theme'] == 'system_settings_form' && $variables = i18n_variable()) {
|
|
if ($i18n_variables = i18n_form_alter_settings($form, $variables)) {
|
|
array_unshift($form['#submit'], 'i18n_variable_form_submit');
|
|
$form['#i18n_variables'] = $i18n_variables;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Implementation of hook_perm().
|
|
*
|
|
* Permissions defined
|
|
* - administer all languages
|
|
* Disables language conditions for administration pages, so the user can view objects for all languages at the same time.
|
|
* This applies for: menu items, taxonomy
|
|
* - administer translations
|
|
* Will allow to add/remove existing nodes to/from translation sets.
|
|
*/
|
|
function i18n_perm() {
|
|
return array('administer all languages', 'administer translations');
|
|
}
|
|
|
|
/**
|
|
* Implementation of hook_theme().
|
|
*/
|
|
function i18n_theme() {
|
|
return array(
|
|
'i18n_node_select_translation' => array(
|
|
'arguments' => array('element' => NULL),
|
|
'file' => 'i18n.pages.inc',
|
|
),
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Process menu and menu item add/edit form submissions.
|
|
*/
|
|
function i18n_menu_edit_item_form_submit($form, &$form_state) {
|
|
$mid = menu_edit_item_save($form_state['values']);
|
|
db_query("UPDATE {menu} SET language = '%s' WHERE mid = %d", $form_state['values']['language'], $mid);
|
|
return 'admin/build/menu';
|
|
}
|
|
|
|
/**
|
|
* Check for multilingual variables in form.
|
|
*/
|
|
function i18n_form_alter_settings(&$form, &$variables) {
|
|
$result = array();
|
|
foreach (element_children($form) as $field) {
|
|
if (count(element_children($form[$field])) && empty($form[$field]['#tree'])) {
|
|
$result += i18n_form_alter_settings($form[$field], $variables);
|
|
}
|
|
elseif (in_array($field, $variables)) {
|
|
// Add form field class: i18n-variable
|
|
$form[$field]['#attributes']['class'] = !empty($form[$field]['#attributes']['class']) ? $form[$field]['#attributes']['class'] . ' i18n-variable' : 'i18n-variable';
|
|
$form[$field]['#description'] = !empty($form[$field]['#description']) ? $form[$field]['#description'] : '';
|
|
$form[$field]['#description'] .= ' <strong>'. t('This is a multilingual variable.') .'</strong>';
|
|
// Addd field => name to result
|
|
$result[$field] = !empty($form[$field]['#title']) ? $form[$field]['#title'] : $field;
|
|
}
|
|
}
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
* Save multilingual variables and remove them from form.
|
|
*/
|
|
function i18n_variable_form_submit($form, &$form_state) {
|
|
$op = isset($form_state['values']['op']) ? $form_state['values']['op'] : '';
|
|
$variables = i18n_variable();
|
|
$language = i18n_get_lang();
|
|
$is_default = $language == language_default('language');
|
|
foreach ($form_state['values'] as $key => $value) {
|
|
if (i18n_variable($key)) {
|
|
if ($op == t('Reset to defaults')) {
|
|
i18n_variable_del($key, $language);
|
|
}
|
|
else {
|
|
if (is_array($value) && isset($form_state['values']['array_filter'])) {
|
|
$value = array_keys(array_filter($value));
|
|
}
|
|
i18n_variable_set($key, $value, $language);
|
|
}
|
|
// If current is default language, we allow global (without language) variables to be set too
|
|
if (!$is_default) {
|
|
unset($form_state['values'][$key]);
|
|
}
|
|
}
|
|
}
|
|
// The form will go now through system_settings_form_submit()
|
|
}
|
|
|
|
/**
|
|
* Initialization of multilingual variables.
|
|
*
|
|
* @param $langcode
|
|
* Language to retrieve variables. Defaults to current language.
|
|
*/
|
|
function i18n_variable_init($langcode = NULL) {
|
|
global $conf;
|
|
|
|
$langcode = $langcode ? $langcode : i18n_get_lang();
|
|
if ($variables = _i18n_variable_init($langcode)) {
|
|
$conf = array_merge($conf, $variables);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get language from context.
|
|
*/
|
|
function _i18n_get_context_lang() {
|
|
// Node language when loading specific nodes or creating translations.
|
|
if (arg(0) == 'node' ) {
|
|
if (($node = menu_get_object('node')) && $node->language) {
|
|
return $node->language;
|
|
}
|
|
elseif (arg(1) == 'add' && !empty($_GET['translation']) && !empty($_GET['language'])) {
|
|
return $_GET['language'];
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Helper function to create language selector.
|
|
*/
|
|
function _i18n_language_select($value ='', $description ='', $weight = -20, $languages = NULL) {
|
|
$languages = $languages ? $languages : locale_language_list();
|
|
return array(
|
|
'#type' => 'select',
|
|
'#title' => t('Language'),
|
|
'#default_value' => $value,
|
|
'#options' => array_merge(array('' => ''), $languages),
|
|
'#description' => $description,
|
|
'#weight' => $weight,
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Load language variables into array.
|
|
*/
|
|
function _i18n_variable_init($langcode) {
|
|
global $i18n_conf;
|
|
|
|
if (!isset($i18n_conf[$langcode])) {
|
|
$cacheid = 'variables:'. $langcode;
|
|
if ($cached = cache_get($cacheid)) {
|
|
$i18n_conf[$langcode] = $cached->data;
|
|
}
|
|
else {
|
|
$result = db_query("SELECT * FROM {i18n_variable} WHERE language = '%s'", $langcode);
|
|
$i18n_conf[$langcode] = array();
|
|
while ($variable = db_fetch_object($result)) {
|
|
$i18n_conf[$langcode][$variable->name] = unserialize($variable->value);
|
|
}
|
|
cache_set($cacheid, $i18n_conf[$langcode]);
|
|
}
|
|
}
|
|
|
|
return $i18n_conf[$langcode];
|
|
}
|
|
|
|
/**
|
|
* Save multilingual variables that may have been changed by other methods than settings pages.
|
|
*/
|
|
function _i18n_variable_exit() {
|
|
global $conf, $i18n_conf;
|
|
|
|
$langcode = i18n_get_lang();
|
|
if (isset($i18n_conf[$langcode])) {
|
|
$refresh = FALSE;
|
|
// Rewritten because array_diff_assoc may fail with array variables.
|
|
foreach (i18n_variable() as $name) {
|
|
if (isset($conf[$name]) && isset($i18n_conf[$langcode][$name]) && $conf[$name] != $i18n_conf[$langcode][$name]) {
|
|
$refresh = TRUE;
|
|
$i18n_conf[$langcode][$name] = $conf[$name];
|
|
db_query("DELETE FROM {i18n_variable} WHERE name='%s' AND language='%s'", $name, $langcode);
|
|
db_query("INSERT INTO {i18n_variable} (language, name, value) VALUES('%s', '%s', '%s')", $langcode, $name, serialize($conf[$name]));
|
|
}
|
|
}
|
|
if ($refresh) {
|
|
cache_set('variables:'. $langcode, $i18n_conf[$langcode]);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Check whether we are in bootstrap mode.
|
|
*/
|
|
function _i18n_is_bootstrap() {
|
|
return !function_exists('drupal_get_headers');
|
|
}
|
|
|
|
/**
|
|
* Drupal 6, backwards compatibility layer.
|
|
*
|
|
* @ TO DO Fully upgrade all the modules and remove
|
|
*/
|
|
|
|
/**
|
|
* This one expects to be called first from common.inc
|
|
*/
|
|
function i18n_get_lang() {
|
|
global $language;
|
|
return $language->language;
|
|
}
|
|
|
|
/**
|
|
* @defgroup i18n_api Extended language API
|
|
* @{
|
|
* This is an extended language API to be used by modules in i18n package.
|
|
*/
|
|
|
|
/**
|
|
* Returns language lists.
|
|
*/
|
|
function i18n_language_list($type = 'enabled', $field = 'name') {
|
|
switch ($type) {
|
|
case 'enabled':
|
|
return locale_language_list($field);
|
|
|
|
case 'extended':
|
|
$enabled = locale_language_list($field);
|
|
$defined = locale_language_list($field, TRUE);
|
|
return array_diff_assoc($defined, $enabled);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Returns default language code.
|
|
*/
|
|
function i18n_default_language() {
|
|
return language_default('language');
|
|
}
|
|
|
|
/**
|
|
* Get list of supported languages, native name.
|
|
*
|
|
* @param $all
|
|
* TRUE to get all defined languages.
|
|
*/
|
|
function i18n_supported_languages($all = FALSE) {
|
|
return locale_language_list('native', $all);
|
|
}
|
|
|
|
/**
|
|
* Get list of multilingual variables or check whether a variable is multilingual
|
|
*/
|
|
function i18n_variable($name = NULL) {
|
|
$variables = variable_get('i18n_variables', array());
|
|
return $name ? in_array($name, $variables) : $variables;
|
|
}
|
|
|
|
/**
|
|
* Set a persistent language dependent variable.
|
|
*
|
|
* @param $name
|
|
* The name of the variable to set.
|
|
* @param $value
|
|
* The value to set. This can be any PHP data type; these functions take care
|
|
* of serialization as necessary.
|
|
* @param $langcode
|
|
* Language code.
|
|
*/
|
|
function i18n_variable_set($name, $value, $langcode) {
|
|
global $conf, $i18n_conf;
|
|
|
|
$serialized_value = serialize($value);
|
|
db_query("UPDATE {i18n_variable} SET value = '%s' WHERE name = '%s' AND language = '%s'", $serialized_value, $name, $langcode);
|
|
if (!db_affected_rows()) {
|
|
@db_query("INSERT INTO {i18n_variable} (name, language, value) VALUES ('%s', '%s', '%s')", $name, $langcode, $serialized_value);
|
|
}
|
|
cache_clear_all('variables:'. $langcode, 'cache');
|
|
$i18n_conf[$langcode][$name] = $value;
|
|
if ($langcode == i18n_get_lang()) {
|
|
$conf[$name] = $value;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get single multilingual variable
|
|
*/
|
|
function i18n_variable_get($name, $langcode, $default = NULL) {
|
|
if ($variables = _i18n_variable_init($langcode)) {
|
|
return isset($variables[$name]) ? $variables[$name] : $default;
|
|
}
|
|
else {
|
|
return $default;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Unset a persistent multilingual variable.
|
|
*
|
|
* @param $name
|
|
* The name of the variable to undefine.
|
|
* @param $langcode
|
|
* Optional language code. If not set it will delete the variable for all languages.
|
|
*/
|
|
function i18n_variable_del($name, $langcode = NULL) {
|
|
global $conf, $i18n_conf;
|
|
|
|
if ($langcode) {
|
|
db_query("DELETE FROM {i18n_variable} WHERE name = '%s' AND language='%s'", $name, $langcode);
|
|
cache_clear_all('variables:'. $langcode, 'cache');
|
|
unset($i18n_conf[$langcode][$name]);
|
|
// If current language, unset also global conf
|
|
if ($langcode == i18n_get_lang()) {
|
|
unset($conf[$name]);
|
|
}
|
|
}
|
|
else {
|
|
db_query("DELETE FROM {i18n_variable} WHERE name = '%s'", $name);
|
|
if (db_affected_rows()) {
|
|
cache_clear_all('variables:', 'cache', TRUE);
|
|
if (is_array($i18n_conf)) {
|
|
foreach (array_keys($i18n_conf) as $lang) {
|
|
unset($i18n_conf[$lang][$name]);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Utility. Get part of array variable.
|
|
*/
|
|
function i18n_array_variable_get($name, $element, $default = NULL) {
|
|
if (($values = variable_get($name, array())) && isset($values[$element])) {
|
|
return $values[$element];
|
|
}
|
|
else {
|
|
return $default;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Utility. Set part of array variable.
|
|
*/
|
|
function i18n_array_variable_set($name, $element, $value) {
|
|
$values = variable_get($name, array());
|
|
$values[$element] = $value;
|
|
variable_set($name, $values);
|
|
}
|
|
|
|
/**
|
|
* @} End of "defgroup i18n_api".
|
|
*/
|
|
|
|
/**
|
|
* List of language support modes for content.
|
|
*/
|
|
function _i18n_content_language_options() {
|
|
return array(
|
|
LANGUAGE_SUPPORT_NORMAL => t('Normal - All enabled languages will be allowed.'),
|
|
LANGUAGE_SUPPORT_EXTENDED => t('Extended - All defined languages will be allowed.'),
|
|
LANGUAGE_SUPPORT_EXTENDED_NOT_DISPLAYED => t('Extended, but not displayed - All defined languages will be allowed for input, but not displayed in links.'),
|
|
);
|
|
}
|