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<?php
/**
Copyright 2011-2014 Nick Korbel
This file is part of Booked SchedulerBooked SchedulereIt is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later versBooked SchedulerduleIt is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
alBooked SchedulercheduleIt. If not, see <http://www.gnu.org/licenses/>.
*/
require_once(ROOT_DIR . 'lang/AvailableLanguages.php');
interface IResourceLocalization
{
/**
* @abstract
* @param $key
* @param array|string $args
* @return void
*/
public function GetString($key, $args = array());
public function GetDateFormat($key);
public function GetDays($key);
public function GetMonths($key);
function GeneralDateFormat();
function GeneralDateTimeFormat();
}
class ResourceKeys
{
const DATE_GENERAL = 'general_date';
const DATETIME_GENERAL = 'general_datetime';
const DATETIME_SYSTEM = 'system_datetime';
}
class Resources implements IResourceLocalization
{
/**
* @var string
*/
public $CurrentLanguage;
public $LanguageFile;
public $CalendarLanguageFile;
/**
* @var array|AvailableLanguage[]
*/
public $AvailableLanguages = array();
/**
* @var string
*/
public $Charset;
/**
* @var string
*/
public $HtmlLang;
/**
* @var string
*/
public $TextDirection = 'ltr';
protected $LanguageDirectory;
private static $_instance;
private $systemDateKeys = array();
/**
* @var Language
*/
private $_lang;
public function __construct()
{
$this->LanguageDirectory = dirname(__FILE__) . '/../../lang/';
$this->systemDateKeys['js_general_date'] = 'yy-mm-dd';
$this->systemDateKeys['system_datetime'] = 'Y-m-d H:i:s';
$this->systemDateKeys['url'] = 'Y-m-d';
$this->systemDateKeys['ical'] = 'Ymd\THis\Z';
$this->systemDateKeys['system'] = 'Y-m-d';
$this->systemDateKeys['fullcalendar'] = 'Y-m-d H:i';
$this->LoadAvailableLanguages();
}
private static function Create()
{
$resources = new Resources();
$resources->SetCurrentLanguage($resources->GetLanguageCode());
return $resources;
}
/**
* @return Resources
*/
public static function &GetInstance()
{
if (is_null(self::$_instance))
{
self::$_instance = Resources::Create();
}
return self::$_instance;
}
public static function SetInstance($instance)
{
self::$_instance = $instance;
}
/**
* @param string $languageCode
* @return bool
*/
public function SetLanguage($languageCode)
{
return $this->SetCurrentLanguage($languageCode);
}
/**
* @param string $languageCode
* @return bool
*/
public function IsLanguageSupported($languageCode)
{
return !empty($languageCode) &&
(array_key_exists($languageCode, $this->AvailableLanguages) &&
file_exists($this->LanguageDirectory . $this->AvailableLanguages[$languageCode]->LanguageFile));
}
public function GetString($key, $args = array())
{
if (!is_array($args))
{
$args = array($args);
}
$strings = $this->_lang->Strings;
$return = '';
if (!isset($strings[$key]) || empty($strings[$key]))
{
return '?';
}
if (empty($args))
{
return $strings[$key];
}
else
{
$sprintf_args = '';
for ($i = 0; $i < count($args); $i++)
{
$sprintf_args .= "'" . addslashes($args[$i]) . "',";
}
$sprintf_args = substr($sprintf_args, 0, strlen($sprintf_args) - 1);
$string = addslashes($strings[$key]);
$return = eval("return sprintf('$string', $sprintf_args);");
return $return;
}
}
public function GetDateFormat($key)
{
if (array_key_exists($key, $this->systemDateKeys))
{
return $this->systemDateKeys[$key];
}
$dates = $this->_lang->Dates;
if (!isset($dates[$key]) || empty($dates[$key]))
{
return '?';
}
return $dates[$key];
}
public function GeneralDateFormat()
{
return $this->GetDateFormat(ResourceKeys::DATE_GENERAL);
}
public function GeneralDateTimeFormat()
{
return $this->GetDateFormat(ResourceKeys::DATETIME_GENERAL);
}
public function SystemDateTimeFormat()
{
return $this->GetDateFormat(ResourceKeys::DATETIME_SYSTEM);
}
public function GetDays($key)
{
$days = $this->_lang->Days;
if (!isset($days[$key]) || empty($days[$key]))
{
return '?';
}
return $days[$key];
}
public function GetMonths($key)
{
$months = $this->_lang->Months;
if (!isset($months[$key]) || empty($months[$key]))
{
return '?';
}
return $months[$key];
}
/**
* @param $languageCode
* @return bool
*/
private function SetCurrentLanguage($languageCode)
{
$languageCode = strtolower($languageCode);
if ($languageCode == $this->CurrentLanguage)
{
return true;
}
if ($this->IsLanguageSupported($languageCode))
{
$languageSettings = $this->AvailableLanguages[$languageCode];
$this->LanguageFile = $languageSettings->LanguageFile;
require_once($this->LanguageDirectory . $this->LanguageFile);
$class = $languageSettings->LanguageClass;
$this->_lang = new $class;
$this->CurrentLanguage = $languageCode;
$this->Charset = $this->_lang->Charset;
$this->HtmlLang = $this->_lang->HtmlLang;
$this->TextDirection = $this->_lang->TextDirection;
return true;
}
return false;
}
private function GetLanguageCode()
{
$cookie = ServiceLocator::GetServer()->GetCookie(CookieKeys::LANGUAGE);
if ($cookie != null)
{
return $cookie;
}
else
{
return Configuration::Instance()->GetKey(ConfigKeys::LANGUAGE);
}
}
private function LoadAvailableLanguages()
{
$this->AvailableLanguages = AvailableLanguages::GetAvailableLanguages();
}
}