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Feature 1535: Add language manager.

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git-svn-id: http://piwigo.org/svn/trunk@5357 68402e56-0260-453c-a942-63ccdbb3a9ee
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patdenice 2010-03-25 20:18:28 +00:00
commit 6b445114da
12 changed files with 389 additions and 36 deletions
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admin/include/languages.class.php Normal file
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<?php
// +-----------------------------------------------------------------------+
// | Piwigo - a PHP based picture gallery |
// +-----------------------------------------------------------------------+
// | Copyright(C) 2008-2010 Piwigo Team http://piwigo.org |
// | Copyright(C) 2003-2008 PhpWebGallery Team http://phpwebgallery.net |
// | Copyright(C) 2002-2003 Pierrick LE GALL http://le-gall.net/pierrick |
// +-----------------------------------------------------------------------+
// | This program 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 |
// | |
// | This program 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 |
// | along with this program; if not, write to the Free Software |
// | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
// | USA. |
// +-----------------------------------------------------------------------+
class languages
{
var $fs_languages = array();
var $db_languages = array();
var $server_languages = array();
/**
* Initialize $fs_languages and $db_languages
*/
function languages($target_charset = null)
{
$this->fs_languages = $this->get_fs_languages($target_charset);
}
/**
* Perform requested actions
* @param string - action
* @param string - language id
* @param array - errors
*/
function perform_action($action, $language_id)
{
global $conf;
if (isset($this->db_languages[$language_id]))
{
$crt_db_language = $this->db_languages[$language_id];
}
$errors = array();
switch ($action)
{
case 'activate':
if (isset($crt_db_language))
{
array_push($errors, 'CANNOT ACTIVATE - LANGUAGE IS ALREADY ACTIVATED');
break;
}
$query = "
INSERT INTO ".LANGUAGES_TABLE."
SET id = '".$language_id."',
name = '".$this->fs_languages[$language_id]."'
;";
pwg_query($query);
break;
case 'deactivate':
if (!isset($crt_db_language))
{
array_push($errors, 'CANNOT DEACTIVATE - LANGUAGE IS ALREADY DEACTIVATED');
break;
}
if ($language_id == get_default_language())
{
array_push($errors, 'CANNOT DEACTIVATE - LANGUAGE IS DEFAULT LANGUAGE');
break;
}
$query = "
DELETE
FROM ".LANGUAGES_TABLE."
WHERE id= '".$language_id."'
;";
pwg_query($query);
break;
case 'delete':
if (!empty($crt_db_language))
{
array_push($errors, 'CANNOT DELETE - LANGUAGE IS ACTIVATED');
break;
}
if (!isset($this->fs_languages[$language_id]))
{
array_push($errors, 'CANNOT DELETE - LANGUAGE DOES NOT EXIST');
break;
}
// Set default language to user who are using this language
$query = '
UPDATE '.USER_INFOS_TABLE.'
SET language = "'.get_default_language().'"
WHERE language = "'.$language_id.'"
;';
pwg_query($query);
if (!$this->deltree(PHPWG_ROOT_PATH.'language/'.$language_id))
{
$this->send_to_trash(PHPWG_ROOT_PATH.'language/'.$language_id);
}
break;
case 'set_default':
$query = '
UPDATE '.USER_INFOS_TABLE.'
SET language = "'.$language_id.'"
WHERE user_id = '.$conf['default_user_id'].'
;';
pwg_query($query);
break;
}
return $errors;
}
/**
* Get languages defined in the language directory
*/
function get_fs_languages($target_charset = null)
{
if ( empty($target_charset) )
{
$target_charset = get_pwg_charset();
}
$target_charset = strtolower($target_charset);
$dir = opendir(PHPWG_ROOT_PATH.'language');
while ($file = readdir($dir))
{
$path = PHPWG_ROOT_PATH.'language/'.$file;
if (!is_link($path) and is_dir($path) and file_exists($path.'/iso.txt'))
{
list($language_name) = @file($path.'/iso.txt');
$languages[$file] = convert_charset($language_name, $target_charset);
}
}
closedir($dir);
@asort($languages);
return $languages;
}
function get_db_languages()
{
$query = '
SELECT id, name
FROM '.LANGUAGES_TABLE.'
ORDER BY name ASC
;';
$result = pwg_query($query);
while ($row = pwg_db_fetch_assoc($result))
{
$this->db_languages[ $row['id'] ] = $row['name'];
}
}
/**
* delete $path directory
* @param string - path
*/
function deltree($path)
{
if (is_dir($path))
{
$fh = opendir($path);
while ($file = readdir($fh))
{
if ($file != '.' and $file != '..')
{
$pathfile = $path . '/' . $file;
if (is_dir($pathfile))
{
$this->deltree($pathfile);
}
else
{
@unlink($pathfile);
}
}
}
closedir($fh);
return @rmdir($path);
}
}
/**
* send $path to trash directory
* @param string - path
*/
function send_to_trash($path)
{
$trash_path = PHPWG_ROOT_PATH . 'language/trash';
if (!is_dir($trash_path))
{
@mkdir($trash_path);
$file = @fopen($trash_path . '/.htaccess', 'w');
@fwrite($file, 'deny from all');
@fclose($file);
}
while ($r = $trash_path . '/' . md5(uniqid(rand(), true)))
{
if (!is_dir($r))
{
@rename($path, $r);
break;
}
}
}
}
?>