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-rw-r--r--admin/include/languages.class.php228
1 files changed, 228 insertions, 0 deletions
diff --git a/admin/include/languages.class.php b/admin/include/languages.class.php
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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;
+ }
+ }
+ }
+}
+?> \ No newline at end of file