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<?php
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/**
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* @file
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* Internationalization (i18n) package. Multilingual variables API.
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*/
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/**
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* The type of language used for variables.
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*/
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define('I18N_VARIABLE_LANGUAGE_TYPE', 'i18n_language_variable');
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/**
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* Implements hook_language_init()
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*/
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function i18n_variable_language_init() {
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if (drupal_multilingual()) {
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module_invoke('variable_realm', 'initialize', 'language');
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}
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}
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/**
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* Implements hook_variable_realm_info().
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*/
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function i18n_variable_variable_realm_info() {
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$realm['language'] = array(
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'title' => t('Language'),
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'weight' => 100,
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'controller class' => 'I18nVariableLanguageRealm',
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'store class' => 'VariableStoreRealmStore',
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// Variables for this realm can be selected from a list.
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'select' => TRUE,
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'select path' => 'admin/config/regional/i18n/variable',
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// Name for variables that belong to this realm: 'multilingual' variable/s
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'variable name' => t('multilingual'),
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'variable class' => 'i18n-variable',
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// Automatically handle these variables in system settings forms.
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'form settings' => TRUE,
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'form switcher' => TRUE,
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);
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return $realm;
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}
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/**
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* Implements hook_menu()
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*/
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function i18n_variable_menu() {
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$items['admin/config/regional/i18n/variable'] = array(
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'title' => 'Variables',
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'description' => 'Configure multilingual variables.',
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'page callback' => 'drupal_get_form',
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'page arguments' => array('variable_realm_select_variables_form', 'language'),
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'access arguments' => array('administer site configuration'),
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'file' => 'variable_realm.form.inc',
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'file path' => drupal_get_path('module', 'variable_realm'),
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'type' => MENU_LOCAL_TASK,
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);
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return $items;
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}
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/**
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* Get variables language, make sure it is initialized
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*/
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function i18n_variable_language() {
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// If we've got a variables language, it will be that one
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if (!isset($GLOBALS[I18N_VARIABLE_LANGUAGE_TYPE])) {
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$GLOBALS[I18N_VARIABLE_LANGUAGE_TYPE] = i18n_language_interface();
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}
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return $GLOBALS[I18N_VARIABLE_LANGUAGE_TYPE];
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}
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/**
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* Get original value for global variable/s
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*/
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function i18n_variable_global($name = NULL, $default = NULL) {
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return variable_realm_global_get($name, $default);
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}
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/**
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* Get list of multilingual variables or check whether a variable is multilingual
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*/
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function i18n_variable_list($name = NULL) {
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$variables = &drupal_static(__FUNCTION__);
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if (!isset($variables)) {
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$variables = variable_children(variable_get('variable_realm_list_language', array()));
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}
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return $name ? in_array($name, $variables) : $variables;
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}
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/**
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* Load language variables into array.
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*
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* Pull variables from the store but filter out the ones that are not multilingual.
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*/
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function i18n_variable_load($langcode) {
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$variables = array();
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foreach (variable_store('language', $langcode) as $name => $value) {
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if (i18n_variable_list($name)) {
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$variables[$name] = $value;
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}
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}
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return $variables;
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}
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/**
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* Set a persistent language dependent variable.
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*
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* @param $name
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* The name of the variable to set.
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* @param $value
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* The value to set. This can be any PHP data type; these functions take care
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* of serialization as necessary.
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* @param $langcode
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* Language code.
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*/
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function i18n_variable_set($name, $value, $langcode) {
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variable_realm_set('language', $langcode, $name, $value);
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}
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/**
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* Get single multilingual variable
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*/
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function i18n_variable_get($name, $langcode, $default = NULL) {
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return variable_realm_get('language', $langcode, $name, $default);
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}
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/**
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* Unset a persistent multilingual variable.
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*
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* @param $name
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* The name of the variable to undefine.
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* @param $langcode
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* Language code.
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*/
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function i18n_variable_del($name, $langcode) {
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variable_realm_del('language', $langcode, $name);
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}
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