comparison modules/locale/locale.module @ 1:c1f4ac30525a 6.0

Drupal 6.0
author Franck Deroche <webmaster@defr.org>
date Tue, 23 Dec 2008 14:28:28 +0100
parents
children 2427550111ae
comparison
equal deleted inserted replaced
0:5a113a1c4740 1:c1f4ac30525a
1 <?php
2 // $Id: locale.module,v 1.212 2008/01/28 17:16:34 goba Exp $
3
4 /**
5 * @file
6 * Add language handling functionality and enables the translation of the
7 * user interface to languages other than English.
8 *
9 * When enabled, multiple languages can be set up. The site interface
10 * can be displayed in different languages, as well as nodes can have languages
11 * assigned. The setup of languages and translations is completely web based.
12 * Gettext portable object files are supported.
13 */
14
15 /**
16 * Language written left to right. Possible value of $language->direction.
17 */
18 define('LANGUAGE_LTR', 0);
19
20 /**
21 * Language written right to left. Possible value of $language->direction.
22 */
23 define('LANGUAGE_RTL', 1);
24
25
26 // ---------------------------------------------------------------------------------
27 // Hook implementations
28
29 /**
30 * Implementation of hook_help().
31 */
32 function locale_help($path, $arg) {
33 switch ($path) {
34 case 'admin/help#locale':
35 $output = '<p>'. t('The locale module allows your Drupal site to be presented in languages other than the default English, a defining feature of multi-lingual websites. The locale module works by examining text as it is about to be displayed: when a translation of the text is available in the language to be displayed, the translation is displayed rather than the original text. When a translation is unavailable, the original text is displayed, and then stored for later review by a translator.') .'</p>';
36 $output .= '<p>'. t('Beyond translation of the Drupal interface, the locale module provides a feature set tailored to the needs of a multi-lingual site. Language negotiation allows your site to automatically change language based on the domain or path used for each request. Users may (optionally) select their preferred language on their <em>My account</em> page, and your site can be configured to honor a web browser\'s preferred language settings. Your site content can be created in (and translated to) any enabled language, and each post may have a language-appropriate alias for each of its translations. The locale module works in concert with the <a href="@content-help">content translation module</a> to manage translated content.', array('@content-help' => url('admin/help/translation'))) .'</p>';
37 $output .= '<p>'. t('Translations may be provided by:') .'</p>';
38 $output .= '<ul><li>'. t("translating the original text via the locale module's integrated web interface, or") .'</li>';
39 $output .= '<li>'. t('importing files from a set of existing translations, known as a translation package. A translation package enables the display of a specific version of Drupal in a specific language, and contain files in the Gettext Portable Object (<em>.po</em>) format. Although not all languages are available for every version of Drupal, translation packages for many languages are available for download from the <a href="@translations">Drupal translation page</a>.', array('@translations' => 'http://drupal.org/project/translations')) .'</li></ul>';
40 $output .= '<p>'. t('If an existing translation package does not meet your needs, the Gettext Portable Object (<em>.po</em>) files within a package may be modified, or new <em>.po</em> files may be created, using a desktop Gettext editor. The locale module\'s <a href="@import">import</a> feature allows the translated strings from a new or modified <em>.po</em> file to be added to your site. The locale module\'s <a href="@export">export</a> feature generates files from your site\'s translated strings, that can either be shared with others or edited offline by a Gettext translation editor.', array('@import' => url('admin/build/translate/import'), '@export' => url('admin/build/translate/export'))) .'</p>';
41 $output .= '<p>'. t('For more information, see the online handbook entry for <a href="@locale">Locale module</a>.', array('@locale' => 'http://drupal.org/handbook/modules/locale/')) .'</p>';
42 return $output;
43 case 'admin/settings/language':
44 $output = '<p>'. t("This page provides an overview of your site's enabled languages. If multiple languages are available and enabled, the text on your site interface may be translated, registered users may select their preferred language on the <em>My account</em> page, and site authors may indicate a specific language when creating posts. The site's default language is used for anonymous visitors and for users who have not selected a preferred language.") .'</p>';
45 $output .= '<p>'. t('For each language available on the site, use the <em>edit</em> link to configure language details, including name, an optional language-specific path or domain, and whether the language is natively presented either left-to-right or right-to-left. These languages also appear in the <em>Language</em> selection when creating a post of a content type with multilingual support.') .'</p>';
46 $output .= '<p>'. t('Use the <a href="@add-language">add language page</a> to enable additional languages (and automatically import files from a translation package, if available), the <a href="@search">translate interface page</a> to locate strings for manual translation, or the <a href="@import">import page</a> to add translations from individual <em>.po</em> files. A number of contributed translation packages containing <em>.po</em> files are available on the <a href="@translations">Drupal.org translations page</a>.', array('@add-language' => url('admin/settings/language/add'), '@search' => url('admin/build/translate/search'), '@import' => url('admin/build/translate/import'), '@translations' => 'http://drupal.org/project/translations')) .'</p>';
47 return $output;
48 case 'admin/settings/language/add':
49 return '<p>'. t('Add all languages to be supported by your site. If your desired language is not available in the <em>Language name</em> drop-down, click <em>Custom language</em> and provide a language code and other details manually. When providing a language code manually, be sure to enter a standardized language code, since this code may be used by browsers to determine an appropriate display language.') .'</p>';
50 case 'admin/settings/language/configure':
51 $output = '<p>'. t("Language negotiation settings determine the site's presentation language. Available options include:") .'</p>';
52 $output .= '<ul><li>'. t('<strong>None.</strong> The default language is used for site presentation, though users may (optionally) select a preferred language on the <em>My Account</em> page. (User language preferences will be used for site e-mails, if available.)') .'</li>';
53 $output .= '<li>'. t('<strong>Path prefix only.</strong> The presentation language is determined by examining the path for a language code or other custom string that matches the path prefix (if any) specified for each language. If a suitable prefix is not identified, the default language is used. <em>Example: "example.com/de/contact" sets presentation language to German based on the use of "de" within the path.</em>') .'</li>';
54 $output .= '<li>'. t("<strong>Path prefix with language fallback.</strong> The presentation language is determined by examining the path for a language code or other custom string that matches the path prefix (if any) specified for each language. If a suitable prefix is not identified, the display language is determined by the user's language preferences from the <em>My Account</em> page, or by the browser's language settings. If a presentation language cannot be determined, the default language is used.") .'</t>';
55 $output .= '<li>'. t('<strong>Domain name only.</strong> The presentation language is determined by examining the domain used to access the site, and comparing it to the language domain (if any) specified for each language. If a match is not identified, the default language is used. <em>Example: "http://de.example.com/contact" sets presentation language to German based on the use of "http://de.example.com" in the domain.</em>') .'</li></ul>';
56 $output .= '<p>'. t('The path prefix or domain name for a language may be set by editing the <a href="@languages">available languages</a>. In the absence of an appropriate match, the site is displayed in the <a href="@languages">default language</a>.', array('@languages' => url('admin/settings/language'))) .'</p>';
57 return $output;
58 case 'admin/build/translate':
59 $output = '<p>'. t('This page provides an overview of available translatable strings. Drupal displays translatable strings in text groups; modules may define additional text groups containing other translatable strings. Because text groups provide a method of grouping related strings, they are often used to focus translation efforts on specific areas of the Drupal interface.') .'</p>';
60 $output .= '<p>'. t('Review the <a href="@languages">languages page</a> for more information on adding support for additional languages.', array('@languages' => url('admin/settings/language'))) .'</p>';
61 return $output;
62 case 'admin/build/translate/import':
63 $output = '<p>'. t('This page imports the translated strings contained in an individual Gettext Portable Object (<em>.po</em>) file. Normally distributed as part of a translation package (each translation package may contain several <em>.po</em> files), a <em>.po</em> file may need to be imported after off-line editing in a Gettext translation editor. Importing an individual <em>.po</em> file may be a lengthy process.') .'</p>';
64 $output .= '<p>'. t('Note that the <em>.po</em> files within a translation package are imported automatically (if available) when new modules or themes are enabled, or as new languages are added. Since this page only allows the import of one <em>.po</em> file at a time, it may be simpler to download and extract a translation package into your Drupal installation directory and <a href="@language-add">add the language</a> (which automatically imports all <em>.po</em> files within the package). Translation packages are available for download on the <a href="@translations">Drupal translation page</a>.', array('@language-add' => url('admin/settings/language/add'), '@translations' => 'http://drupal.org/project/translations')) .'</p>';
65 return $output;
66 case 'admin/build/translate/export':
67 return '<p>'. t('This page exports the translated strings used by your site. An export file may be in Gettext Portable Object (<em>.po</em>) form, which includes both the original string and the translation (used to share translations with others), or in Gettext Portable Object Template (<em>.pot</em>) form, which includes the original strings only (used to create new translations with a Gettext translation editor).') .'</p>';
68 case 'admin/build/translate/search':
69 return '<p>'. t('This page allows a translator to search for specific translated and untranslated strings, and is used when creating or editing translations. (Note: For translation tasks involving many strings, it may be more convenient to <a href="@export">export</a> strings for off-line editing in a desktop Gettext translation editor.) Searches may be limited to strings found within a specific text group or in a specific language.', array('@export' => url('admin/build/translate/export'))) .'</p>';
70 case 'admin/build/block/configure':
71 if ($arg[4] == 'locale' && $arg[5] == 0) {
72 return '<p>'. t('This block is only shown if <a href="@languages">at least two languages are enabled</a> and <a href="@configuration">language negotiation</a> is set to something other than <em>None</em>.', array('@languages' => url('admin/settings/language'), '@configuration' => url('admin/settings/language/configure'))) .'</p>';
73 }
74 break;
75 }
76 }
77
78 /**
79 * Implementation of hook_menu().
80 *
81 * Locale module only provides administrative menu items, so all
82 * menu items are invoked through locale_inc_callback().
83 */
84 function locale_menu() {
85 // Manage languages
86 $items['admin/settings/language'] = array(
87 'title' => 'Languages',
88 'description' => 'Configure languages for content and the user interface.',
89 'page callback' => 'locale_inc_callback',
90 'page arguments' => array('drupal_get_form', 'locale_languages_overview_form'),
91 'access arguments' => array('administer languages'),
92 );
93 $items['admin/settings/language/overview'] = array(
94 'title' => 'List',
95 'weight' => 0,
96 'type' => MENU_DEFAULT_LOCAL_TASK,
97 );
98 $items['admin/settings/language/add'] = array(
99 'title' => 'Add language',
100 'page callback' => 'locale_inc_callback',
101 'page arguments' => array('locale_languages_add_screen'), // two forms concatenated
102 'weight' => 5,
103 'type' => MENU_LOCAL_TASK,
104 );
105 $items['admin/settings/language/configure'] = array(
106 'title' => 'Configure',
107 'page callback' => 'locale_inc_callback',
108 'page arguments' => array('drupal_get_form', 'locale_languages_configure_form'),
109 'weight' => 10,
110 'type' => MENU_LOCAL_TASK,
111 );
112 $items['admin/settings/language/edit/%'] = array(
113 'title' => 'Edit language',
114 'page callback' => 'locale_inc_callback',
115 'page arguments' => array('drupal_get_form', 'locale_languages_edit_form', 4),
116 'type' => MENU_CALLBACK,
117 );
118 $items['admin/settings/language/delete/%'] = array(
119 'title' => 'Confirm',
120 'page callback' => 'locale_inc_callback',
121 'page arguments' => array('drupal_get_form', 'locale_languages_delete_form', 4),
122 'type' => MENU_CALLBACK,
123 );
124
125 // Translation functionality
126 $items['admin/build/translate'] = array(
127 'title' => 'Translate interface',
128 'description' => 'Translate the built in interface and optionally other text.',
129 'page callback' => 'locale_inc_callback',
130 'page arguments' => array('locale_translate_overview_screen'), // not a form, just a table
131 'access arguments' => array('translate interface'),
132 );
133 $items['admin/build/translate/overview'] = array(
134 'title' => 'Overview',
135 'weight' => 0,
136 'type' => MENU_DEFAULT_LOCAL_TASK,
137 );
138 $items['admin/build/translate/search'] = array(
139 'title' => 'Search',
140 'weight' => 10,
141 'type' => MENU_LOCAL_TASK,
142 'page callback' => 'locale_inc_callback',
143 'page arguments' => array('locale_translate_seek_screen'), // search results and form concatenated
144 );
145 $items['admin/build/translate/import'] = array(
146 'title' => 'Import',
147 'page callback' => 'locale_inc_callback',
148 'page arguments' => array('drupal_get_form', 'locale_translate_import_form'),
149 'weight' => 20,
150 'type' => MENU_LOCAL_TASK,
151 );
152 $items['admin/build/translate/export'] = array(
153 'title' => 'Export',
154 'page callback' => 'locale_inc_callback',
155 'page arguments' => array('locale_translate_export_screen'), // possibly multiple forms concatenated
156 'weight' => 30,
157 'type' => MENU_LOCAL_TASK,
158 );
159 $items['admin/build/translate/edit/%'] = array(
160 'title' => 'Edit string',
161 'page callback' => 'locale_inc_callback',
162 'page arguments' => array('drupal_get_form', 'locale_translate_edit_form', 4),
163 'type' => MENU_CALLBACK,
164 );
165 $items['admin/build/translate/delete/%'] = array(
166 'title' => 'Delete string',
167 'page callback' => 'locale_inc_callback',
168 'page arguments' => array('locale_translate_delete', 4), // directly deletes, no confirmation
169 'type' => MENU_CALLBACK,
170 );
171
172 return $items;
173 }
174
175 /**
176 * Wrapper function to be able to set callbacks in locale.inc
177 */
178 function locale_inc_callback() {
179 $args = func_get_args();
180 $function = array_shift($args);
181 include_once './includes/locale.inc';
182 return call_user_func_array($function, $args);
183 }
184
185 /**
186 * Implementation of hook_perm().
187 */
188 function locale_perm() {
189 return array('administer languages', 'translate interface');
190 }
191
192 /**
193 * Implementation of hook_locale().
194 */
195 function locale_locale($op = 'groups') {
196 switch ($op) {
197 case 'groups':
198 return array('default' => t('Built-in interface'));
199 }
200 }
201
202 /**
203 * Implementation of hook_user().
204 */
205 function locale_user($type, $edit, &$user, $category = NULL) {
206 global $language;
207
208 // If we have more then one language and either creating a user on the
209 // admin interface or edit the user, show the language selector.
210 if (variable_get('language_count', 1) > 1 && ($type == 'register' && user_access('administer users') || $type == 'form' && $category == 'account' )) {
211 $languages = language_list('enabled');
212 $languages = $languages[1];
213
214 // If the user is being created, we set the user language to the page language.
215 $user_preferred_language = $user ? user_preferred_language($user) : $language;
216
217 $names = array();
218 foreach ($languages as $langcode => $item) {
219 $name = t($item->name);
220 $names[$langcode] = $name . ($item->native != $name ? ' ('. $item->native .')' : '');
221 }
222 $form['locale'] = array(
223 '#type' => 'fieldset',
224 '#title' => t('Language settings'),
225 '#weight' => 1,
226 );
227
228 // Get language negotiation settings.
229 $mode = variable_get('language_negotiation', LANGUAGE_NEGOTIATION_NONE);
230 $form['locale']['language'] = array(
231 '#type' => (count($names) <= 5 ? 'radios' : 'select'),
232 '#title' => t('Language'),
233 '#default_value' => $user_preferred_language->language,
234 '#options' => $names,
235 '#description' => ($mode == LANGUAGE_NEGOTIATION_PATH) ? t("This account's default language for e-mails, and preferred language for site presentation.") : t("This account's default language for e-mails."),
236 );
237 return $form;
238 }
239 }
240
241 /**
242 * Implementation of hook_form_alter(). Adds language fields to forms.
243 */
244 function locale_form_alter(&$form, $form_state, $form_id) {
245 switch ($form_id) {
246
247 // Language field for paths
248 case 'path_admin_form':
249 $form['language'] = array(
250 '#type' => 'select',
251 '#title' => t('Language'),
252 '#options' => array('' => t('All languages')) + locale_language_list('name'),
253 '#default_value' => $form['language']['#value'],
254 '#weight' => -10,
255 '#description' => t('A path alias set for a specific language will always be used when displaying this page in that language, and takes precedence over path aliases set for <am>All languages</em>.'),
256 );
257 break;
258
259 // Language setting for content types
260 case 'node_type_form':
261 if (isset($form['identity']['type'])) {
262 $form['workflow']['language_content_type'] = array(
263 '#type' => 'radios',
264 '#title' => t('Multilingual support'),
265 '#default_value' => variable_get('language_content_type_'. $form['#node_type']->type, 0),
266 '#options' => array(t('Disabled'), t('Enabled')),
267 '#description' => t('Enable multilingual support for this content type. If enabled, a language selection field will be added to the editing form, allowing you to select from one of the <a href="!languages">enabled languages</a>. If disabled, new posts are saved with the default language. Existing content will not be affected by changing this option.', array('!languages' => url('admin/settings/language'))),
268 );
269 }
270 break;
271
272 // Language field for nodes
273 default:
274 if (isset($form['#id']) && $form['#id'] == 'node-form') {
275 if (isset($form['#node']->type) && variable_get('language_content_type_'. $form['#node']->type, 0)) {
276 $form['language'] = array(
277 '#type' => 'select',
278 '#title' => t('Language'),
279 '#default_value' => (isset($form['#node']->language) ? $form['#node']->language : ''),
280 '#options' => array('' => t('Language neutral')) + locale_language_list('name'),
281 );
282 }
283 // Node type without language selector: assign the default for new nodes
284 elseif (!isset($form['#node']->nid)) {
285 $default = language_default();
286 $form['language'] = array(
287 '#type' => 'value',
288 '#value' => $default->language
289 );
290 }
291 }
292 }
293 }
294
295 /**
296 * Implementation of hook_theme()
297 */
298 function locale_theme() {
299 return array(
300 'locale_languages_overview_form' => array(
301 'arguments' => array('form' => array()),
302 ),
303 );
304 }
305
306 // ---------------------------------------------------------------------------------
307 // Locale core functionality
308
309 /**
310 * Provides interface translation services.
311 *
312 * This function is called from t() to translate a string if needed.
313 *
314 * @param $string
315 * A string to look up translation for. If omitted, all the
316 * cached strings will be returned in all languages already
317 * used on the page.
318 * @param $langcode
319 * Language code to use for the lookup.
320 * @param $reset
321 * Set to TRUE to reset the in-memory cache.
322 */
323 function locale($string = NULL, $langcode = NULL, $reset = FALSE) {
324 global $language;
325 static $locale_t;
326
327 if ($reset) {
328 // Reset in-memory cache.
329 $locale_t = NULL;
330 }
331
332 if (!isset($string)) {
333 // Return all cached strings if no string was specified
334 return $locale_t;
335 }
336
337 $langcode = isset($langcode) ? $langcode : $language->language;
338
339 // Store database cached translations in a static var.
340 if (!isset($locale_t[$langcode])) {
341 $locale_t[$langcode] = array();
342 // Disabling the usage of string caching allows a module to watch for
343 // the exact list of strings used on a page. From a performance
344 // perspective that is a really bad idea, so we have no user
345 // interface for this. Be careful when turning this option off!
346 if (variable_get('locale_cache_strings', 1) == 1) {
347 if ($cache = cache_get('locale:'. $langcode, 'cache')) {
348 $locale_t[$langcode] = $cache->data;
349 }
350 else {
351 // Refresh database stored cache of translations for given language.
352 // We only store short strings used in current version, to improve
353 // performance and consume less memory.
354 $result = db_query("SELECT s.source, t.translation, t.language FROM {locales_source} s LEFT JOIN {locales_target} t ON s.lid = t.lid AND t.language = '%s' WHERE s.textgroup = 'default' AND s.version = '%s' AND LENGTH(s.source) < 75", $langcode, VERSION);
355 while ($data = db_fetch_object($result)) {
356 $locale_t[$langcode][$data->source] = (empty($data->translation) ? TRUE : $data->translation);
357 }
358 cache_set('locale:'. $langcode, $locale_t[$langcode]);
359 }
360 }
361 }
362
363 // If we have the translation cached, skip checking the database
364 if (!isset($locale_t[$langcode][$string])) {
365
366 // We do not have this translation cached, so get it from the DB.
367 $translation = db_fetch_object(db_query("SELECT s.lid, t.translation, s.version FROM {locales_source} s LEFT JOIN {locales_target} t ON s.lid = t.lid AND t.language = '%s' WHERE s.source = '%s' AND s.textgroup = 'default'", $langcode, $string));
368 if ($translation) {
369 // We have the source string at least.
370 // Cache translation string or TRUE if no translation exists.
371 $locale_t[$langcode][$string] = (empty($translation->translation) ? TRUE : $translation->translation);
372
373 if ($translation->version != VERSION) {
374 // This is the first use of this string under current Drupal version. Save version
375 // and clear cache, to include the string into caching next time. Saved version is
376 // also a string-history information for later pruning of the tables.
377 db_query("UPDATE {locales_source} SET version = '%s' WHERE lid = %d", VERSION, $translation->lid);
378 cache_clear_all('locale:', 'cache', TRUE);
379 }
380 }
381 else {
382 // We don't have the source string, cache this as untranslated.
383 db_query("INSERT INTO {locales_source} (location, source, textgroup, version) VALUES ('%s', '%s', 'default', '%s')", request_uri(), $string, VERSION);
384 $locale_t[$langcode][$string] = TRUE;
385 // Clear locale cache so this string can be added in a later request.
386 cache_clear_all('locale:', 'cache', TRUE);
387 }
388 }
389
390 return ($locale_t[$langcode][$string] === TRUE ? $string : $locale_t[$langcode][$string]);
391 }
392
393 /**
394 * Returns plural form index for a specific number.
395 *
396 * The index is computed from the formula of this language.
397 *
398 * @param $count
399 * Number to return plural for.
400 * @param $langcode
401 * Optional language code to translate to a language other than
402 * what is used to display the page.
403 */
404 function locale_get_plural($count, $langcode = NULL) {
405 global $language;
406 static $locale_formula, $plurals = array();
407
408 $langcode = $langcode ? $langcode : $language->language;
409
410 if (!isset($plurals[$langcode][$count])) {
411 if (!isset($locale_formula)) {
412 $language_list = language_list();
413 $locale_formula[$langcode] = $language_list[$langcode]->formula;
414 }
415 if ($locale_formula[$langcode]) {
416 $n = $count;
417 $plurals[$langcode][$count] = @eval('return intval('. $locale_formula[$langcode] .');');
418 return $plurals[$langcode][$count];
419 }
420 else {
421 $plurals[$langcode][$count] = -1;
422 return -1;
423 }
424 }
425 return $plurals[$langcode][$count];
426 }
427
428
429 /**
430 * Returns a language name
431 */
432 function locale_language_name($lang) {
433 static $list = NULL;
434 if (!isset($list)) {
435 $list = locale_language_list();
436 }
437 return ($lang && isset($list[$lang])) ? $list[$lang] : t('All');
438 }
439
440 /**
441 * Returns array of language names
442 *
443 * @param $field
444 * 'name' => names in current language, localized
445 * 'native' => native names
446 * @param $all
447 * Boolean to return all languages or only enabled ones
448 */
449 function locale_language_list($field = 'name', $all = FALSE) {
450 if ($all) {
451 $languages = language_list();
452 }
453 else {
454 $languages = language_list('enabled');
455 $languages = $languages[1];
456 }
457 $list = array();
458 foreach ($languages as $language) {
459 $list[$language->language] = ($field == 'name') ? t($language->name) : $language->$field;
460 }
461 return $list;
462 }
463
464 /**
465 * Imports translations when new modules or themes are installed or enabled.
466 *
467 * This function will either import translation for the component change
468 * right away, or start a batch if more files need to be imported.
469 *
470 * @param $components
471 * An array of component (theme and/or module) names to import
472 * translations for.
473 */
474 function locale_system_update($components) {
475 include_once 'includes/locale.inc';
476 if ($batch = locale_batch_by_component($components)) {
477 batch_set($batch);
478 }
479 }
480
481 /**
482 * Update JavaScript translation file, if required, and add it to the page.
483 *
484 * This function checks all JavaScript files currently added via drupal_add_js()
485 * and invokes parsing if they have not yet been parsed for Drupal.t()
486 * and Drupal.formatPlural() calls. Also refreshes the JavaScript translation
487 * file if necessary, and adds it to the page.
488 */
489 function locale_update_js_files() {
490 global $language;
491
492 $dir = file_create_path(variable_get('locale_js_directory', 'languages'));
493 $parsed = variable_get('javascript_parsed', array());
494
495 // The first three parameters are NULL in order to get an array with all
496 // scopes. This is necessary to prevent recreation of JS translation files
497 // when new files are added for example in the footer.
498 $javascript = drupal_add_js(NULL, NULL, NULL);
499 $files = $new_files = FALSE;
500
501 foreach ($javascript as $scope) {
502 foreach ($scope as $type => $data) {
503 if ($type != 'setting' && $type != 'inline') {
504 foreach ($data as $filepath => $info) {
505 $files = TRUE;
506 if (!in_array($filepath, $parsed)) {
507 // Don't parse our own translations files.
508 if (substr($filepath, 0, strlen($dir)) != $dir) {
509 locale_inc_callback('_locale_parse_js_file', $filepath);
510 watchdog('locale', 'Parsed JavaScript file %file.', array('%file' => $filepath));
511 $parsed[] = $filepath;
512 $new_files = TRUE;
513 }
514 }
515 }
516 }
517 }
518 }
519
520 // If there are any new source files we parsed, invalidate existing
521 // JavaScript translation files for all languages, adding the refresh
522 // flags into the existing array.
523 if ($new_files) {
524 $parsed += locale_inc_callback('_locale_invalidate_js');
525 }
526
527 // If necessary, rebuild the translation file for the current language.
528 if (!empty($parsed['refresh:'. $language->language])) {
529 // Don't clear the refresh flag on failure, so that another try will
530 // be performed later.
531 if (locale_inc_callback('_locale_rebuild_js')) {
532 unset($parsed['refresh:'. $language->language]);
533 }
534 // Store any changes after refresh was attempted.
535 variable_set('javascript_parsed', $parsed);
536 }
537 // If no refresh was attempted, but we have new source files, we need
538 // to store them too. This occurs if current page is in English.
539 else if ($new_files) {
540 variable_set('javascript_parsed', $parsed);
541 }
542
543 // Add the translation JavaScript file to the page.
544 if ($files && !empty($language->javascript)) {
545 drupal_add_js($dir .'/'. $language->language .'_'. $language->javascript .'.js', 'core');
546 }
547 }
548
549 // ---------------------------------------------------------------------------------
550 // Language switcher block
551
552 /**
553 * Implementation of hook_block().
554 * Displays a language switcher. Translation links may be provided by other modules.
555 */
556 function locale_block($op = 'list', $delta = 0) {
557 if ($op == 'list') {
558 $block[0]['info'] = t('Language switcher');
559 // Not worth caching.
560 $block[0]['cache'] = BLOCK_NO_CACHE;
561 return $block;
562 }
563
564 // Only show if we have at least two languages and language dependent
565 // web addresses, so we can actually link to other language versions.
566 elseif ($op == 'view' && variable_get('language_count', 1) > 1 && variable_get('language_negotiation', LANGUAGE_NEGOTIATION_NONE) != LANGUAGE_NEGOTIATION_NONE) {
567 $languages = language_list('enabled');
568 $links = array();
569 foreach ($languages[1] as $language) {
570 $links[$language->language] = array(
571 'href' => $_GET['q'],
572 'title' => $language->native,
573 'language' => $language,
574 'attributes' => array('class' => 'language-link'),
575 );
576 }
577
578 // Allow modules to provide translations for specific links.
579 // A translation link may need to point to a different path or use
580 // a translated link text before going through l(), which will just
581 // handle the path aliases.
582 drupal_alter('translation_link', $links, $_GET['q']);
583
584 $block['subject'] = t('Languages');
585 $block['content'] = theme('links', $links, array());
586 return $block;
587 }
588 }