#193320 by JirkaRybka: _locale_rebuild_js() was invoked on every page view, now optimized
Gábor Hojtsy
parent
4c040de89b
commit
efbd1db550
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@ -1871,8 +1871,8 @@ function drupal_add_js($data = NULL, $type = 'module', $scope = 'header', $defer
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*/
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function drupal_get_js($scope = 'header', $javascript = NULL) {
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global $update_mode;
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if (empty($update_mode) && function_exists('locale_inc_callback')) {
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locale_inc_callback('_locale_update_js_files');
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if (empty($update_mode) && function_exists('locale_update_js_files')) {
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locale_update_js_files();
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}
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if (!isset($javascript)) {
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@ -408,8 +408,13 @@ function locale_languages_delete_form(&$form_state, $langcode) {
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function locale_languages_delete_form_submit($form, &$form_state) {
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$languages = language_list();
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if (isset($languages[$form_state['values']['langcode']])) {
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db_query("DELETE FROM {languages} WHERE language = '%s'", $form_state['values']['langcode']);
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// Remove translations first.
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db_query("DELETE FROM {locales_target} WHERE language = '%s'", $form_state['values']['langcode']);
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cache_clear_all('locale:'. $form_state['values']['langcode'], 'cache');
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// With no translations, this removes existing JavaScript translations file.
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_locale_rebuild_js($form_state['values']['langcode']);
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// Remove the language.
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db_query("DELETE FROM {languages} WHERE language = '%s'", $form_state['values']['langcode']);
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db_query("UPDATE {node} SET language = '' WHERE language = '%s'", $form_state['values']['langcode']);
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$variables = array('%locale' => $languages[$form_state['values']['langcode']]->name);
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drupal_set_message(t('The language %locale has been removed.', $variables));
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@ -833,8 +838,8 @@ function locale_translate_edit_form_submit($form, &$form_state) {
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db_query("DELETE FROM {locales_target} WHERE lid = %d AND language = '%s'", $lid, $key);
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}
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// Refresh the JS file for this language.
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_locale_rebuild_js($key);
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// Force JavaScript translation file recreation for this language.
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_locale_invalidate_js($key);
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}
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drupal_set_message(t('The string has been saved.'));
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@ -858,12 +863,10 @@ function locale_translate_edit_form_submit($form, &$form_state) {
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* Delete a language string.
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*/
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function locale_translate_delete($lid) {
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$langcode = db_result(db_query('SELECT language FROM {locales_target} WHERE lid = %d', $lid));
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db_query('DELETE FROM {locales_source} WHERE lid = %d', $lid);
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db_query('DELETE FROM {locales_target} WHERE lid = %d', $lid);
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if ($langcode) {
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_locale_rebuild_js($langcode);
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}
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// Force JavaScript translation file recreation for all languages.
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_locale_invalidate_js();
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cache_clear_all('locale:', 'cache', TRUE);
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drupal_set_message(t('The string has been removed.'));
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drupal_goto('admin/build/translate/search');
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@ -925,6 +928,9 @@ function locale_add_language($langcode, $name = NULL, $native = NULL, $direction
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variable_set('language_count', variable_get('language_count', 1) + 1);
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}
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// Force JavaScript translation file creation for the newly added language.
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_locale_invalidate_js($langcode);
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watchdog('locale', 'The %language language (%code) has been created.', array('%language' => $name, '%code' => $langcode));
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}
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/**
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@ -974,8 +980,8 @@ function _locale_import_po($file, $langcode, $mode, $group = NULL) {
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drupal_set_message(t('The translation file %filename appears to have a missing or malformed header.', array('%filename' => $file->filename)), 'error');
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}
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// Clear cache and refresh JavaScript translations.
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_locale_rebuild_js($langcode);
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// Clear cache and force refresh of JavaScript translations.
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_locale_invalidate_js($langcode);
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cache_clear_all('locale:', 'cache', TRUE);
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// Rebuild the menu, strings may have changed.
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@ -1597,46 +1603,6 @@ function _locale_import_parse_quoted($string) {
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* @} End of "locale-api-import"
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*/
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/**
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* This function checks all JavaScript files currently added via drupal_add_js()
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* and invokes parsing if they have not yet been parsed for Drupal.t() calls.
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*/
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function _locale_update_js_files() {
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global $language;
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$parsed = variable_get('javascript_parsed', array());
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// The first three parameters are NULL in order to get an array with all
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// scopes. This is necessary to prevent recreation of JS translation files
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// when new files are added for example in the footer.
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$javascript = drupal_add_js(NULL, NULL, NULL);
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$files = FALSE;
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foreach ($javascript as $scope) {
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foreach ($scope as $type => $data) {
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if ($type != 'setting' && $type != 'inline') {
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foreach ($data as $filepath => $info) {
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$files = TRUE;
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if (!in_array($filepath, $parsed)) {
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_locale_parse_js_file($filepath);
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watchdog('locale', 'Parsed JavaScript file %file.', array('%file' => $filepath));
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$parsed[] = $filepath;
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}
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}
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}
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}
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}
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// Update the parsed files storage array.
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variable_set('javascript_parsed', $parsed);
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_locale_rebuild_js();
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// Add the translation JavaScript file to the page.
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if ($files && !empty($language->javascript)) {
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drupal_add_js(file_create_path(variable_get('locale_js_directory', 'languages') .'/'. $language->language .'_'. $language->javascript .'.js'), 'core');
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}
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}
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/**
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* Parses a JavaScript file, extracts strings wrapped in Drupal.t() and
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* Drupal.formatPlural() and inserts them into the database.
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@ -2043,6 +2009,39 @@ function _locale_translate_seek_query() {
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return $query;
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}
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/**
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* Force the JavaScript translation file(s) to be refreshed.
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*
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* This function sets a refresh flag for a specified language, or all
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* languages except English, if none specified. JavaScript translation
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* files are rebuilt (with locale_update_js_files()) the next time a
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* request is served in that language.
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*
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* @param $langcode
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* The language code for which the file needs to be refreshed.
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* @return
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* New content of the 'javascript_parsed' variable.
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*/
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function _locale_invalidate_js($langcode = NULL) {
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$parsed = variable_get('javascript_parsed', array());
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if (empty($langcode)) {
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// Invalidate all languages.
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$languages = language_list();
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unset($languages['en']);
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foreach ($languages as $lcode => $data) {
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$parsed['refresh:'. $lcode] = 'waiting';
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}
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}
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else {
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// Invalidate single language.
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$parsed['refresh:'. $langcode] = 'waiting';
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}
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variable_set('javascript_parsed', $parsed);
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return $parsed;
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}
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/**
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* (Re-)Creates the JavaScript translation file for a language.
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*
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@ -2091,9 +2090,10 @@ function _locale_rebuild_js($langcode = NULL) {
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}
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}
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// Only operate when there are translations.
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// Construct the JavaScript file, if there are translations.
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$data = $status = '';
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if (!empty($translations)) {
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// Construct the JavaScript file.
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$data = "Drupal.locale = { ";
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if (!empty($language->formula)) {
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@ -2101,67 +2101,69 @@ function _locale_rebuild_js($langcode = NULL) {
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}
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$data .= "'strings': ". drupal_to_js($translations) ." };";
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// Construct the directory where JS translation files are stored.
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// There is (on purpose) no front end to edit that variable.
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$dir = file_create_path(variable_get('locale_js_directory', 'languages'));
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// Only create a new file if the content has changed.
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$data_hash = md5($data);
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if ($language->javascript != $data_hash) {
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if (!empty($language->javascript)) {
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// We are recreating the new file, so delete the old one.
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file_delete(file_create_path($dir .'/'. $language->language .'_'. $language->javascript .'.js'));
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$language->javascript = '';
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}
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else {
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// The directory might not exist when there has not been a translation
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// file before, so create it.
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file_check_directory($dir, TRUE);
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}
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}
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// The file name of the new JavaScript translation file.
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$dest = $dir .'/'. $language->language .'_'. $data_hash .'.js';
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$filepath = file_save_data($data, $dest);
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// Construct the filepath where JS translation files are stored.
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// There is (on purpose) no front end to edit that variable.
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$dir = file_create_path(variable_get('locale_js_directory', 'languages'));
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// Update the global $language object.
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$language->javascript = $filepath ? $data_hash : '';
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// Delete old file, if we have no translations anymore, or a different file to be saved.
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if (!empty($language->javascript) && (!$data || $language->javascript != $data_hash)) {
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file_delete(file_create_path($dir .'/'. $language->language .'_'. $language->javascript .'.js'));
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$language->javascript = '';
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$status = 'deleted';
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}
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// Save the new JavaScript hash.
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db_query("UPDATE {languages} SET javascript = '%s' WHERE language = '%s'", $language->javascript, $language->language);
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// Only create a new file if the content has changed.
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if ($data && $language->javascript != $data_hash) {
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// Ensure that the directory exists and is writable, if possible.
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file_check_directory($dir, TRUE);
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// Update the default language variable if the default language has been altered.
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// This is necessary to keep the variable consistent with the database
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// version of the language and to prevent checking against an outdated hash.
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$default_langcode = language_default('language');
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if ($default_langcode == $language->language) {
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$default = db_fetch_object(db_query("SELECT * FROM {languages} WHERE language = '%s'", $default_langcode));
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variable_set('language_default', $default);
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}
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// Only report updated or creation when there is actually a file created.
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if ($filepath) {
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// There has already been a translation file before.
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if (!empty($language->javascript)) {
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watchdog('locale', 'Updated JavaScript translation file for the language %language.', array('%language' => t($language->name)));
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}
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else {
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watchdog('locale', 'Created JavaScript translation file for the language %language.', array('%language' => t($language->name)));
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}
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}
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else {
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watchdog('locale', 'An error occurred during creation of the JavaScript translation file for the language %language.', array('%language' => t($language->name)));
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}
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// Save the file.
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$dest = $dir .'/'. $language->language .'_'. $data_hash .'.js';
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if (file_save_data($data, $dest)) {
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$language->javascript = $data_hash;
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$status = ($status == 'deleted') ? 'updated' : 'created';
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}
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else {
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$language->javascript = '';
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$status = 'error';
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}
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}
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// There are no strings for JavaScript translation. However, if there is a file,
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// delete it and reset the database.
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elseif (!empty($language->javascript)) {
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// Delete the old JavaScript file
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file_delete(file_create_path(variable_get('locale_js_directory', 'languages') .'/'. $language->language .'_'. $language->javascript .'.js'));
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db_query("UPDATE {languages} SET javascript = '' WHERE language = '%s'", $language->language);
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watchdog('locale', 'Deleted JavaScript translation file for the locale %language.', array('%language' => t($language->name)));
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// Save the new JavaScript hash (or an empty value if the file
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// just got deleted). Act only if some operation was executed.
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if ($status) {
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db_query("UPDATE {languages} SET javascript = '%s' WHERE language = '%s'", $language->javascript, $language->language);
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// Update the default language variable if the default language has been altered.
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// This is necessary to keep the variable consistent with the database
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// version of the language and to prevent checking against an outdated hash.
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$default_langcode = language_default('language');
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if ($default_langcode == $language->language) {
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$default = db_fetch_object(db_query("SELECT * FROM {languages} WHERE language = '%s'", $default_langcode));
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variable_set('language_default', $default);
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}
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}
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// Log the operation and return success flag.
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switch ($status) {
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case 'updated':
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watchdog('locale', 'Updated JavaScript translation file for the language %language.', array('%language' => t($language->name)));
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return TRUE;
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case 'created':
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watchdog('locale', 'Created JavaScript translation file for the language %language.', array('%language' => t($language->name)));
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return TRUE;
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case 'deleted':
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watchdog('locale', 'Removed JavaScript translation file for the language %language, because no translations currently exist for that language.', array('%language' => t($language->name)));
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return TRUE;
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case 'error':
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watchdog('locale', 'An error occurred during creation of the JavaScript translation file for the language %language.', array('%language' => t($language->name)), WATCHDOG_ERROR);
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return FALSE;
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default:
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// No operation needed.
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return TRUE;
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}
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}
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@ -458,6 +458,74 @@ function locale_system_update($components) {
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}
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}
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/**
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* Update JavaScript translation file, if required, and add it to the page.
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*
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* This function checks all JavaScript files currently added via drupal_add_js()
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* and invokes parsing if they have not yet been parsed for Drupal.t()
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* and Drupal.formatPlural() calls. Also refreshes the JavaScript translation
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* file if necessary, and adds it to the page.
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*/
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function locale_update_js_files() {
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global $language;
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$dir = file_create_path(variable_get('locale_js_directory', 'languages'));
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$parsed = variable_get('javascript_parsed', array());
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// The first three parameters are NULL in order to get an array with all
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// scopes. This is necessary to prevent recreation of JS translation files
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// when new files are added for example in the footer.
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$javascript = drupal_add_js(NULL, NULL, NULL);
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$files = $new_files = FALSE;
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foreach ($javascript as $scope) {
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foreach ($scope as $type => $data) {
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if ($type != 'setting' && $type != 'inline') {
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foreach ($data as $filepath => $info) {
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$files = TRUE;
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if (!in_array($filepath, $parsed)) {
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// Don't parse our own translations files.
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if (substr($filepath, 0, strlen($dir)) != $dir) {
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locale_inc_callback('_locale_parse_js_file', $filepath);
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watchdog('locale', 'Parsed JavaScript file %file.', array('%file' => $filepath));
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$parsed[] = $filepath;
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$new_files = TRUE;
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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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// If there are any new source files we parsed, invalidate existing
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// JavaScript translation files for all languages, adding the refresh
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// flags into the existing array.
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if ($new_files) {
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$parsed += locale_inc_callback('_locale_invalidate_js');
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}
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// If necessary, rebuild the translation file for the current language.
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if (!empty($parsed['refresh:'. $language->language])) {
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// Don't clear the refresh flag on failure, so that another try will
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// be performed later.
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if (locale_inc_callback('_locale_rebuild_js')) {
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unset($parsed['refresh:'. $language->language]);
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}
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// Store any changes after refresh was attempted.
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variable_set('javascript_parsed', $parsed);
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}
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// If no refresh was attempted, but we have new source files, we need
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// to store them too. This occurs if current page is in English.
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else if ($new_files) {
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variable_set('javascript_parsed', $parsed);
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}
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// Add the translation JavaScript file to the page.
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if ($files && !empty($language->javascript)) {
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drupal_add_js($dir .'/'. $language->language .'_'. $language->javascript .'.js', 'core');
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}
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}
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// ---------------------------------------------------------------------------------
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// Language switcher block
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