Commit a3d75e54 authored by Gábor Hojtsy's avatar Gábor Hojtsy

#141996 by Jose A Reyero and myself: translation block to switch interface...

#141996 by Jose A Reyero and myself: translation block to switch interface languages by default, and even content languages, when a translation module provides the alternate links
parent 9e6ef53c
......@@ -53,6 +53,12 @@ function locale_help($path, $arg) {
return '<p>'. t("This page allows you to export Drupal strings. The first option is to export a translation so it can be shared. The second option generates a translation template, which contains all Drupal strings, but without their translations. You can use this template to start a new translation using various software packages designed for this task.") .'</p>';
case 'admin/build/translate/search':
return '<p>'. t("It is often convenient to get the strings from your setup on the <a href=\"@export\">export page</a>, and use a desktop Gettext translation editor to edit the translations. On this page you can search in the translated and untranslated strings, and the default English texts provided by Drupal.", array("@export" => url("admin/build/translate/export"))) .'</p>';
case 'admin/build/block/configure':
if ($arg[4] == 'locale' && $arg[5] == 0) {
return '<p>'. t("This block is only shown if you have <a href=\"@languages\">at least two languages enabled</a> and you have a <a href=\"@configuration\">language negotiation setting</a> different from 'none', so you have different web addresses for different language versions.", array('@languages' => url('admin/settings/language'), '@configuration' => url('admin/settings/language/configure'))) .'</p>';
}
break;
}
}
......@@ -491,3 +497,42 @@ function _locale_batch_import($filepath, &$context) {
$context['results'][] = $filepath;
}
}
// ---------------------------------------------------------------------------------
// Language switcher block
/**
* Implementation of hook_block().
* Displays a language switcher. Translation links may be provided by other modules.
*/
function locale_block($op = 'list', $delta = 0) {
if ($op == 'list') {
$block[0]['info'] = t('Language switcher');
return $block;
}
// Only show if we have at least two languages and language dependent
// web addresses, so we can actually link to other language versions.
elseif ($op == 'view' && variable_get('language_count', 1) > 1 && variable_get('language_negotiation', LANGUAGE_NEGOTIATION_NONE) != LANGUAGE_NEGOTIATION_NONE) {
$languages = language_list('enabled');
$links = array();
foreach ($languages[1] as $language) {
$links[$language->language] = array(
'href' => $_GET['q'],
'title' => $language->native,
'language' => $language,
'attributes' => array('class' => 'language-link'),
);
}
// Allow modules to provide translations for specific links.
// A translation link may need to point to a different path or use
// a translated link text before going through l(), which will just
// handle the path aliases.
drupal_alter('translation_link', $links, $_GET['q']);
$block['subject'] = t('Languages');
$block['content'] = theme('links', $links, array());
return $block;
}
}
......@@ -336,3 +336,44 @@ function translation_node_get_translations($tnid) {
function translation_supported_type($type) {
return variable_get('language_' . $type, 0) == TRANSLATION_ENABLED;
}
/**
* Return paths of all translations of a node, based on
* its Drupal path.
*
* @param $path
* A Drupal path, for example node/432.
* @return
* An array of paths of translations of the node accessible
* to the current user keyed with language codes.
*/
function translation_path_get_translations($path) {
$paths = array();
// Check for a node related path, and for its translations.
if ((preg_match("!^node/([0-9]+)(/.+|)$!", $path, $matches)) && ($node = node_load((int)$matches[1])) && !empty($node->tnid)) {
foreach (translation_node_get_translations($node->tnid) as $language => $translation_node) {
$paths[$language] = 'node/'. $translation_node->nid . $matches[2];
}
}
return $paths;
}
/**
* Implementation of hook_alter_translation_link().
*
* Replaces links with pointers to translated versions of the content.
*/
function translation_translation_link_alter(&$links, $path) {
if ($paths = translation_path_get_translations($path)) {
foreach ($links as $langcode => $link) {
if (isset($paths[$langcode])) {
// Translation in a different node.
$links[$langcode]['href'] = $paths[$langcode];
}
else {
// No translation in this language, or no permission to view.
unset($links[$langcode]);
}
}
}
}
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