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<?php
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// $Id: translatable.block.inc,v 1.4 2008/02/20 22:30:44 sun Exp $
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/**
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* @file
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* Provides language and translation language blocks and user integration.
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* @todo Move to .module.
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*/
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/**
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* Implementation of hook_block().
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*/
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function translatable_block($op = 'list', $delta = 0, $edit = array()) {
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switch ($op) {
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case 'list':
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$blocks['ui'] = array('info' => t('Language'), 'region' => 'right', 'status' => 1);
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$blocks['translation']['info'] = t('Translation language');
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$blocks['translation']['region'] = 'right';
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$blocks['translation']['status'] = 1;
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$blocks['translation']['weight'] = -10;
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return $blocks;
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case 'configure':
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$form = array();
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if ($delta == 'ui' || $delta == 'translation') {
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$form['translatable_block_'. $delta .'_hidecurrentlocale'] = array(
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'#type' => 'checkbox',
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'#title' => t('Hide current language'),
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'#default_value' => variable_get('translatable_block_'. $delta .'_hidecurrentlocale', TRUE),
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'#description' => t('If this option is enabled, the current language is not displayed in the language switching block.'),
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);
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$flag_options = array(
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'flag' => t('Show flags'),
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'name' => t('Show language names'),
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'flag-name' => t('Show flags and language names'),
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);
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$form['translatable_block_'. $delta .'_style'] = array(
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'#type' => 'select',
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'#title' => t('Display style'),
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'#options' => $flag_options,
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'#default_value' => variable_get('translatable_block_'. $delta .'_style', 'flag-name'),
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);
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$form['translatable_block_'. $delta .'_flagspath'] = array(
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'#type' => 'textfield',
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'#title' => t('Flag icons path'),
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'#default_value' => variable_get('translatable_block_'. $delta .'_flagspath', drupal_get_path('module', 'translatable') .'/flags/*.png'),
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'#size' => 50,
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'#maxlength' => 180,
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'#description' => t("Path to flag images, relative to the Drupal installation directory. '*' will be replaced with the ISO language code."),
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);
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}
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return $form;
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case 'save':
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if ($delta == 'ui' || $delta == 'translation') {
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variable_set('translatable_block_'. $delta .'_hidecurrentlocale', $edit['translatable_block_'. $delta .'_hidecurrentlocale']);
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variable_set('translatable_block_'. $delta .'_style', $edit['translatable_block_'. $delta .'_style']);
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variable_set('translatable_block_'. $delta .'_flagspath', $edit['translatable_block_'. $delta .'_flagspath']);
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}
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return;
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case 'view':
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if ($delta == 'ui') {
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$block['subject'] = t('Language');
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$languages = theme('translatable_languages', 'ui');
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$block['content'] = theme('item_list', theme('translatable_language_link', $languages));
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}
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else if ($delta == 'translation') {
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$block['subject'] = t('Translation language');
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$languages = translatable_adminlocale_formselect(NULL, NULL);
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if (!empty($languages)) {
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$block['content'] = theme('item_list', theme('translatable_language_link', $languages));
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}
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}
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return $block;
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}
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}
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/**
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* Create the links for the switching language block
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*
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* @param string $block
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* The Translatable block name, can be 'ui', 'content' or 'translation'.
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* @param array $form
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* The form on which the languages should be based on.
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*
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* @return
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* A HTML list of links of available languages.
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*/
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function theme_translatable_languages($block = 'ui', $form = NULL) {
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global $user;
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static $tset, $nodes, $translation_form;
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drupal_add_css(drupal_get_path('module', 'translatable') .'/translatable.css');
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$style = variable_get('translatable_block_'. $block .'_style', 'flag-name');
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// Cache the form for subsequent requests.
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if (!empty($form)) {
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$translation_form = $form;
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}
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// When editing a node, fetch existent translations.
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if (!isset($tset) && arg(0) == 'node' && arg(2) == 'edit') {
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$tset = translatable_findbyid('node', arg(1));
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if ($tset) {
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$nodes = translatable_find('node', "tnid = ". $tset['tnid']);
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}
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}
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foreach (translatable_available_languages() as $lang => $langname) {
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// Skip active language if enabled.
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if (variable_get('translatable_block_'. $block .'_hidecurrentlocale', FALSE) && $lang == translatable_get_locale()) {
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continue;
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}
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$langname = translatable_t($langname, 0, $lang);
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switch ($style) {
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case 'flag':
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$title = theme('translatable_flag', $lang, $langname, $block);
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break;
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case 'name':
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$title = $langname;
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break;
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case 'flag-name':
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$title = theme('translatable_flag', $lang, $langname, $block) . $langname;
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break;
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}
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$attribs = array('title' => $langname, 'class' => 'language');
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$absolute = FALSE;
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// Determine redirect destination for links in translation language block
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// or both blocks, if user does not prefer separate languages.
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// @todo Only for enabled content types!
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$destination = NULL;
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if (arg(0) == 'node' && ($block == 'translation' || !$user->switch_adminlocale)) {
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if (arg(1) == 'add') {
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// When creating a new node, we simply switch the language and reload.
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$destination = $_GET['q'];
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}
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else if (isset($nodes)) {
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// When editing a node, we need to search all translations for the
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// current parent id to build corresponding links.
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$node = FALSE;
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foreach ($nodes as $tnode) {
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if ($tnode['language'] == $lang) {
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$node = $tnode;
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break;
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}
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}
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if ($node) {
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// A translation exists; redirect to regular node edit page.
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$destination = 'node/'. $node['nid'] .'/edit';
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}
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else {
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// No translation exists; redirect to our callback.
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$destination = 'node/'. $tset['tnid'] .'/edit/translation/'. $lang;
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}
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}
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}
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switch ($block) {
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case 'ui':
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if (!isset($destination)) {
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$destination = translatable_get_destination($lang);
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if ($destination == '') {
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$destination = variable_get('site_frontpage', 'node');
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}
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if (strpos($destination, 'destination=') !== FALSE) {
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$destination = $_GET['q'];
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}
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}
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if (variable_get('translatable_switch_byhostname', FALSE)) {
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$absolute = TRUE;
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$host = variable_get('translatable_switch_hostname_'. $lang, $lang .'.'. translatable_get_domain());
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$url = 'http://'. $host . $GLOBALS['base_path'];
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if (variable_get('clean_url', 0)) {
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$url .= $destination;
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$query = NULL;
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}
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else {
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$query = 'q='. $destination;
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}
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}
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else {
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$url = 'switchuilocale/'. $lang;
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$query = 'destination='. drupal_urlencode($destination);
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}
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$attribs['class'] .= ($lang == translatable_get_locale() ? ' active' : '');
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break;
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case 'translation':
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if (isset($destination)) {
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$attribs['class'] .= ($lang == $form['language']['#default_value'] || $lang == translatable_get_adminlocale() ? ' active' : '');
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}
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else {
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// Simple translation form.
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$destination = $_GET['q'];
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$attribs['class'] .= ($lang == translatable_get_adminlocale() ? ' active' : '');
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}
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if (isset($translation_form)) {
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$message = t('Please wait...');
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$attribs['onclick'] = "$('#". str_replace('_', '-', $translation_form['#id']) ."').block('$message');";
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}
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$url = 'switchadminlocale/'. $lang;
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$query = 'destination='. drupal_urlencode($destination);
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break;
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}
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$links[$lang] = array('title' => $title, 'path' => $url, 'attribs' => $attribs, 'query' => $query, 'fragment' => NULL, 'absolute' => $absolute, 'html' => TRUE);
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}
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return $links;
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}
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/**
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* Render the links for the language switcher block.
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*
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* This stub function is needed to allow other modules to alter the links
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* in front of output.
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*
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* @param $languages
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* An array of languages, keyed by language code, as returned by
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* theme_translatable_languages().
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*
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* @see theme_translatable_languages()
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*/
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function theme_translatable_language_link($languages = array()) {
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foreach ($languages as $lang => $link) {
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$languages[$lang] = l($link['title'], $link['path'], $link['attribs'], $link['query'], $link['fragment'], $link['absolute'], $link['html']);
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}
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return $languages;
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}
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/**
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* Switch the locale of an user, if enabled.
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*
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* @param $type
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* Which locale to switch; 'locale' or 'adminlocale'.
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* @param $locale
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* A language to switch to; already validated.
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*/
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function translatable_user_locale($type, $locale) {
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global $user;
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// Only switch if the user does not prefer separate locales.
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if (!$user->switch_adminlocale) {
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$function = 'translatable_set_'. $type;
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$function($locale, FALSE);
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}
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}
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/**
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* Implementation of hook_admin_menu().
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*/
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function translatable_admin_menu(&$admin_menu, $may_cache) {
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if (!user_access('access translatable')) {
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return;
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}
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if (!$may_cache) {
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// Display current translation language first and prefix it with a
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// meaningful title.
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$languages = translatable_adminlocale_formselect(NULL, NULL);
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$adminlocale = translatable_get_adminlocale();
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$languages[$adminlocale]['title'] = t('Language') .': '. $languages[$adminlocale]['title'];
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$mid_admin = $admin_menu['index']['admin'];
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$mid_language = admin_menu_add_item($admin_menu, $mid_admin, array('title' => $languages[$adminlocale]['title'], 'description' => $languages[$adminlocale]['attribs']['title'], 'path' => $languages[$adminlocale]['path'], 'query' => $languages[$adminlocale]['query'], 'weight' => 10));
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unset($languages[$adminlocale]);
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foreach ($languages as $link) {
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admin_menu_add_item($admin_menu, $mid_language, array('title' => $link['title'], 'description' => $link['attribs']['title'], 'path' => $link['path'], 'query' => $link['query'], 'attributes' => $link['attribs']));
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}
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}
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}
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