*
* Handles multi-language support using flat files *
* -------------------------------------------------------------------------*
* This library is part of the eGroupWare API *
* http://www.egroupware.org/api *
* ------------------------------------------------------------------------ *
* This library is free software; you can redistribute it and/or modify it *
* under the terms of the GNU Lesser General Public License as published by *
* the Free Software Foundation; either version 2.1 of the License, *
* or any later version. *
* This library 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 Lesser General Public License for more details. *
* You should have received a copy of the GNU Lesser General Public License *
* along with this library; if not, write to the Free Software Foundation, *
* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA *
\**************************************************************************/
/* $Id$ */
// This should be considered experimental. It works, at the app level.
// But, for admin and prefs it really slows things down. See the note
// in the translate() function.
// To use, set $GLOBALS['phpgw_info']['server']['translation_system'] = 'file'; in
// class.translation.inc.php
class translation
{
var $langarray; // Currently loaded translations
var $loaded_apps = array(); // Loaded app langs
/*!
@function translate
@abstract Translate phrase to user selected lang
@param $key phrase to translate
@param $vars vars sent to lang function, passed to us
*/
function translation($appname='phpgwapi',$loadlang='')
{
global $lang;
if($loadlang)
{
$lang = $loadlang;
}
$this->add_app($appname,$lang);
if(!isset($GLOBALS['phpgw_setup']))
{
$this->system_charset = $GLOBALS['phpgw_info']['server']['system_charset'];
}
else
{
$GLOBALS['phpgw']->db->query("SELECT config_value FROM egw_config WHERE config_app='phpgwapi' AND config_name='system_charset'",__LINE__,__FILE__);
if($GLOBALS['phpgw']->db->next_record())
{
$this->system_charset = $GLOBALS['phpgw']->db->f(0);
}
}
// load multi-byte-string-extension if needed, and set its internal encodeing to your system_charset
if($this->system_charset && substr($this->system_charset,0,9) != 'iso-8859-1')
{
if($this->mbstring = extension_loaded('mbstring') || @dl(PHP_SHLIB_PREFIX.'mbstring.'.PHP_SHLIB_SUFFIX))
{
ini_set('mbstring.internal_encoding',$this->system_charset);
if(ini_get('mbstring.func_overload') < 7)
{
if($warnings) echo "Warning: Please set mbstring.func_overload = 7 in your php.ini for useing $this->system_charset as your charset !!!
\n";
}
}
else
{
if($warnings) echo "Warning: Please get and/or enable the mbstring extension in your php.ini for useing $this->system_charset as your charset, we are defaulting to iconv for now !!!
\n";
}
}
}
function init()
{
// post-nuke and php-nuke are using $GLOBALS['lang'] too
// but not as array!
// this produces very strange results
if (!is_array($GLOBALS['lang']))
{
$GLOBALS['lang'] = array();
}
if ($GLOBALS['phpgw_info']['user']['preferences']['common']['lang'])
{
$this->userlang = $GLOBALS['phpgw_info']['user']['preferences']['common']['lang'];
}
$this->add_app('common');
if (!count($GLOBALS['lang']))
{
$this->userlang = 'en';
$this->add_app('common');
}
$this->add_app($GLOBALS['phpgw_info']['flags']['currentapp']);
}
/*
@function charset
@abstract returns the charset to use (!$lang) or the charset of the lang-files or $lang
*/
function charset($lang=False)
{
if($lang)
{
if(!isset($this->charsets[$lang]))
{
$GLOBALS['phpgw']->db->query("SELECT content FROM phpgw_lang WHERE lang='$lang' AND message_id='charset' AND app_name='common'",__LINE__,__FILE__);
$this->charsets[$lang] = $GLOBALS['phpgw']->db->next_record() ? strtolower($GLOBALS['phpgw']->db->f(0)) : 'iso-8859-1';
}
return $this->charsets[$lang];
}
if($this->system_charset) // do we have a system-charset ==> return it
{
return $this->system_charset;
}
// if no translations are loaded (system-startup) use a default, else lang('charset')
return !is_array($GLOBALS['lang']) ? 'iso-8859-1' : strtolower($this->translate('charset'));
}
function isin_array($needle,$haystack)
{
while(list($k,$v) = each($haystack))
{
if($v == $needle)
{
return True;
}
}
return False;
}
function translate($key, $vars=False)
{
if(!$this->isin_array($GLOBALS['phpgw_info']['flags']['currentapp'],$this->loaded_apps) &&
$GLOBALS['phpgw_info']['flags']['currentapp'] != 'home')
{
//echo '
loading app "' . $GLOBALS['phpgw_info']['flags']['currentapp'] . '" for the first time.';
$this->add_app($GLOBALS['phpgw_info']['flags']['currentapp'],$GLOBALS['lang']);
}
elseif($GLOBALS['phpgw_info']['flags']['currentapp'] == 'admin' ||
$GLOBALS['phpgw_info']['flags']['currentapp'] == 'preferences')
{
// This is done because for these two apps, all langs must be loaded.
// Note we cannot load for navbar, since it would slow down EVERY page.
// This is true until all common/admin/prefs langs are in the api file only.
@ksort($GLOBALS['phpgw_info']['apps']);
while(list($x,$app) = @each($GLOBALS['phpgw_info']['apps']))
{
if(!$this->isin_array($app['name'],$this->loaded_apps))
{
//echo '
loading app "' . $app['name'] . '" for the first time.';
$this->add_app($app['name'],$GLOBALS['lang']);
}
}
}
if(!$vars)
{
$vars = array();
}
$ret = $key;
if(isset($this->langarray[strtolower($key)]) && $this->langarray[strtolower($key)])
{
$ret = $this->langarray[strtolower($key)];
}
else
{
$ret = $key."*";
}
$ndx = 1;
while( list($key,$val) = each( $vars ) )
{
$ret = preg_replace( "/%$ndx/", $val, $ret );
++$ndx;
}
return $ret;
}
function autoload_changed_langfiles()
{
return;
}
function drop_langs($appname,$DEBUG=False)
{
if($DEBUG)
{
echo '
drop_langs(): Working on: ' . $appname;
echo '
drop_langs(): Not needed with file-based lang class.';
}
}
function add_langs($appname,$DEBUG=False,$force_langs=False)
{
if($DEBUG)
{
echo '
add_langs(): Working on: ' . $appname;
echo '
add_langs(): Not needed with file-based lang class.';
}
}
/*!
@function add_app
@abstract loads all app phrases into langarray
@param $lang user lang variable (defaults to en)
*/
function add_app($app,$lang='')
{
define('SEP',filesystem_separator());
//echo '
add_app(): called with app="' . $app . '", lang="' . $userlang . '"';
if(!isset($lang) || !$lang)
{
if(isset($GLOBALS['phpgw_info']['user']['preferences']['common']['lang']) &&
$GLOBALS['phpgw_info']['user']['preferences']['common']['lang'])
{
$userlang = $GLOBALS['phpgw_info']['user']['preferences']['common']['lang'];
}
else
{
$userlang = 'en';
}
}
else
{
$userlang = $lang;
}
$fn = PHPGW_SERVER_ROOT . SEP . $app . SEP . 'setup' . SEP . 'phpgw_' . $userlang . '.lang';
if(!file_exists($fn))
{
$fn = PHPGW_SERVER_ROOT . SEP . $app . SEP . 'setup' . SEP . 'phpgw_en.lang';
}
if(file_exists($fn))
{
$fp = fopen($fn,'r');
while($data = fgets($fp,8000))
{
list($message_id,$app_name,$null,$content) = explode("\t",$data);
//echo '
add_app(): adding phrase: $this->langarray["'.$message_id.'"]=' . trim($content);
$this->langarray[$message_id] = trim($content);
}
fclose($fp);
}
// stuff class array listing apps that are included already
$this->loaded_apps[] = $app;
}
}
?>