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<?php
/**
* Piwik - Open source web analytics
*
* @link http://piwik.org
* @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
*
* @category Piwik_Plugins
* @package Piwik_LanguagesManager
*
*/
/**
*
* @package Piwik_LanguagesManager
*/
class Piwik_LanguagesManager extends Piwik_Plugin
{
public function getInformation()
{
return array(
'description' => Piwik_Translate('LanguagesManager_PluginDescription'),
'author' => 'Piwik',
'author_homepage' => 'http://piwik.org/',
'version' => Piwik_Version::VERSION,
);
}
public function getListHooksRegistered()
{
return array(
'AssetManager.getCssFiles' => 'getCssFiles',
'AssetManager.getJsFiles' => 'getJsFiles',
'TopMenu.add' => 'showLanguagesSelector',
'Translate.getLanguageToLoad' => 'getLanguageToLoad',
'UsersManager.deleteUser' => 'deleteUserLanguage',
'template_topBar' => 'addLanguagesManagerToOtherTopBar',
);
}
/**
* @param Piwik_Event_Notification $notification notification object
*/
function getCssFiles($notification)
{
$cssFiles = & $notification->getNotificationObject();
$cssFiles[] = "themes/default/styles.css";
}
/**
* @param Piwik_Event_Notification $notification notification object
*/
function getJsFiles($notification)
{
$jsFiles = & $notification->getNotificationObject();
$jsFiles[] = "plugins/LanguagesManager/templates/languageSelector.js";
}
/**
* Show styled language selection drop-down list
*
* @param string $url The form action. Default is to save language.
*/
function showLanguagesSelector()
{
Piwik_AddTopMenu('LanguageSelector', $this->getLanguagesSelector(), true, $order = 30, true);
}
/**
* Adds the languages drop-down list to topbars other than the main one rendered
* in CoreHome/templates/top_bar.tpl. The 'other' topbars are on the Installation
* and CoreUpdater screens.
*
* @param Piwik_Event_Notification $notification notification object
*/
public function addLanguagesManagerToOtherTopBar($notification)
{
$str =& $notification->getNotificationObject();
// piwik object & scripts aren't loaded in 'other' topbars
$str .= "<script type='text/javascript'>if (!window.piwik) window.piwik={};</script>";
$str .= "<script type='text/javascript' src='plugins/LanguagesManager/templates/languageSelector.js'></script>";
$str .= $this->getLanguagesSelector();
}
/**
* Renders and returns the language selector HTML.
*
* @return string
*/
private function getLanguagesSelector()
{
// don't use Piwik_View::factory() here
$view = new Piwik_View("LanguagesManager/templates/languages.tpl");
$view->languages = Piwik_LanguagesManager_API::getInstance()->getAvailableLanguageNames();
$view->currentLanguageCode = self::getLanguageCodeForCurrentUser();
$view->currentLanguageName = self::getLanguageNameForCurrentUser();
return $view->render();
}
/**
* @param Piwik_Event_Notification $notification notification object
*/
function getLanguageToLoad($notification)
{
$language =& $notification->getNotificationObject();
if (empty($language)) {
$language = self::getLanguageCodeForCurrentUser();
}
if (!Piwik_LanguagesManager_API::getInstance()->isLanguageAvailable($language)) {
$language = Piwik_Translate::getInstance()->getLanguageDefault();
}
}
/**
* @param Piwik_Event_Notification $notification notification object
*/
function deleteUserLanguage($notification)
{
$userLogin = $notification->getNotificationObject();
Piwik_Query('DELETE FROM ' . Piwik_Common::prefixTable('user_language') . ' WHERE login = ?', $userLogin);
}
/**
* @throws Exception if non-recoverable error
*/
public function install()
{
// we catch the exception
try {
$sql = "CREATE TABLE " . Piwik_Common::prefixTable('user_language') . " (
login VARCHAR( 100 ) NOT NULL ,
language VARCHAR( 10 ) NOT NULL ,
PRIMARY KEY ( login )
) DEFAULT CHARSET=utf8 ";
Piwik_Exec($sql);
} catch (Exception $e) {
// mysql code error 1050:table already exists
// see bug #153 http://dev.piwik.org/trac/ticket/153
if (!Zend_Registry::get('db')->isErrNo($e, '1050')) {
throw $e;
}
}
}
/**
* @throws Exception if non-recoverable error
*/
public function uninstall()
{
Piwik_DropTables(Piwik_Common::prefixTable('user_language'));
}
/**
* @return string Two letters language code, eg. "fr"
*/
static public function getLanguageCodeForCurrentUser()
{
$languageCode = self::getLanguageFromPreferences();
if (!Piwik_LanguagesManager_API::getInstance()->isLanguageAvailable($languageCode)) {
$languageCode = Piwik_Common::extractLanguageCodeFromBrowserLanguage(Piwik_Common::getBrowserLanguage(), Piwik_LanguagesManager_API::getInstance()->getAvailableLanguages());
}
if (!Piwik_LanguagesManager_API::getInstance()->isLanguageAvailable($languageCode)) {
$languageCode = Piwik_Translate::getInstance()->getLanguageDefault();
}
return $languageCode;
}
/**
* @return string Full english language string, eg. "French"
*/
static public function getLanguageNameForCurrentUser()
{
$languageCode = self::getLanguageCodeForCurrentUser();
$languages = Piwik_LanguagesManager_API::getInstance()->getAvailableLanguageNames();
foreach ($languages as $language) {
if ($language['code'] === $languageCode) {
return $language['name'];
}
}
}
/**
* @return string|false if language preference could not be loaded
*/
static protected function getLanguageFromPreferences()
{
if (($language = self::getLanguageForSession()) != null) {
return $language;
}
try {
$currentUser = Piwik::getCurrentUserLogin();
return Piwik_LanguagesManager_API::getInstance()->getLanguageForUser($currentUser);
} catch (Exception $e) {
return false;
}
}
/**
* Returns the langage for the session
*
* @return string|null
*/
static public function getLanguageForSession()
{
$cookieName = Piwik_Config::getInstance()->General['language_cookie_name'];
$cookie = new Piwik_Cookie($cookieName);
if ($cookie->isCookieFound()) {
return $cookie->get('language');
}
return null;
}
/**
* Set the language for the session
*
* @param string $languageCode ISO language code
* @return bool
*/
static public function setLanguageForSession($languageCode)
{
if (!Piwik_LanguagesManager_API::getInstance()->isLanguageAvailable($languageCode)) {
return false;
}
$cookieName = Piwik_Config::getInstance()->General['language_cookie_name'];
$cookie = new Piwik_Cookie($cookieName, 0);
$cookie->set('language', $languageCode);
$cookie->save();
}
}
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