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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
* @version $Id$
*
* @category Piwik_Plugins
* @package Piwik_LanguagesManager
*
*/
/**
*
* @package Piwik_LanguagesManager
*/
class Piwik_LanguagesManager_API
{
static private $instance = null;
static public function getInstance()
{
if (self::$instance == null)
{
$c = __CLASS__;
self::$instance = new $c();
}
return self::$instance;
}
static protected $availableLanguageNames = null;
static protected $languageNames = null;
/**
* Returns true if specified language is available
*
* @param string $languageCode
* @return bool true if language available; false otherwise
*/
static public function isLanguageAvailable($languageCode)
{
return $languageCode !== false
&& in_array($languageCode, self::getAvailableLanguages());
}
/**
* Return array of available languages
*
* @return array Arry of strings, each containing its ISO language code
*/
static public function getAvailableLanguages()
{
if(!is_null(self::$languageNames))
{
return self::$languageNames;
}
$path = PIWIK_INCLUDE_PATH . "/lang/";
$languages = glob($path . "*.php");
$pathLength = strlen($path);
$languageNames = array();
foreach($languages as $language)
{
$languageNames[] = substr($language, $pathLength, -strlen('.php'));
}
self::$languageNames = $languageNames;
return $languageNames;
}
/**
* Return information on translations (code, language, % translated, etc)
*
* @return array Array of arrays
*/
static public function getAvailableLanguagesInfo()
{
require PIWIK_INCLUDE_PATH . '/lang/en.php';
$englishTranslation = $translations;
$filenames = self::getAvailableLanguages();
$languagesInfo = array();
foreach($filenames as $filename)
{
require PIWIK_INCLUDE_PATH . "/lang/$filename.php";
$translationStringsDone = array_intersect_key($englishTranslation, array_filter($translations, 'strlen'));
$percentageComplete = count($translationStringsDone) / count($englishTranslation);
$percentageComplete = round(100 * $percentageComplete, 0);
$languageInfo = array( 'code' => $filename,
'name' => $translations['General_OriginalLanguageName'],
'english_name' => $translations['General_EnglishLanguageName'],
'translators' => $translations['General_TranslatorName'],
'translators_email' => $translations['General_TranslatorEmail'],
'percentage_complete' => $percentageComplete . '%',
);
$languagesInfo[] = $languageInfo;
}
return $languagesInfo;
}
/**
* Return array of available languages
*
* @return array Arry of array, each containing its ISO language code and name of the language
*/
static public function getAvailableLanguageNames()
{
if(!is_null(self::$availableLanguageNames))
{
return self::$availableLanguageNames;
}
$filenames = self::getAvailableLanguages();
$languagesInfo = array();
foreach($filenames as $filename)
{
require PIWIK_INCLUDE_PATH . "/lang/$filename.php";
$languagesInfo[] = array( 'code' => $filename, 'name' => $translations['General_OriginalLanguageName']);
}
self::$availableLanguageNames = $languagesInfo;
return self::$availableLanguageNames;
}
/**
* Returns translation strings by language
*
* @param string $languageCode ISO language code
* @return array|false Array of arrays, each containing 'label' (translation index) and 'value' (translated string); false if language unavailable
*/
static public function getTranslationsForLanguage($languageCode)
{
if(!self::isLanguageAvailable($languageCode))
{
return false;
}
require PIWIK_INCLUDE_PATH . "/lang/$languageCode.php";
$languageInfo = array();
foreach($translations as $key => $value)
{
$languageInfo[] = array('label' => $key, 'value' => $value);
}
return $languageInfo;
}
/**
* Returns the language for the user
*
* @param string $login
* @param string|false $layout
*/
static public function getLanguageForUser( $login )
{
Piwik::checkUserIsSuperUserOrTheUser($login);
return Piwik_FetchOne('SELECT language FROM '.Piwik::prefixTable('user_language') .
' WHERE login = ? ', array($login ));
}
/**
* Sets the language for the user
*
* @param string $login
* @param string $languageCode
*/
static public function setLanguageForUser($login, $languageCode)
{
Piwik::checkUserIsSuperUserOrTheUser($login);
$paramsBind = array($login, $languageCode, $languageCode);
Piwik_Query('INSERT INTO '.Piwik::prefixTable('user_language') .
' (login, language)
VALUES (?,?)
ON DUPLICATE KEY UPDATE language=?',
$paramsBind);
}
/**
* Returns the langage for the session
*
* @return string|null
*/
static public function getLanguageForSession()
{
$session = new Zend_Session_Namespace("Piwik_LanguagesManager");
if(isset($session->language))
{
return $session->language;
}
return null;
}
/**
* Set the language for the session
*
* @param string $languageCode ISO language code
*/
static public function setLanguageForSession($languageCode)
{
$session = new Zend_Session_Namespace("Piwik_LanguagesManager");
$session->language = $languageCode;
}
}
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