forked from extern/egroupware
595 lines
19 KiB
PHP
595 lines
19 KiB
PHP
<?php
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/**************************************************************************\
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* eGroupWare API - Translation class for SQL *
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* This file written by Joseph Engo <jengo@phpgroupware.org> *
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* and Dan Kuykendall <seek3r@phpgroupware.org> *
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* Handles multi-language support use SQL tables *
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* Copyright (C) 2000, 2001 Joseph Engo *
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* ------------------------------------------------------------------------ *
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* This library is part of the eGroupWare API *
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* http://www.egroupware.org/api *
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* ------------------------------------------------------------------------ *
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* This library is free software; you can redistribute it and/or modify it *
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* under the terms of the GNU Lesser General Public License as published by *
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* the Free Software Foundation; either version 2.1 of the License, *
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* or any later version. *
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* This library is distributed in the hope that it will be useful, but *
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* WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. *
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* See the GNU Lesser General Public License for more details. *
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* You should have received a copy of the GNU Lesser General Public License *
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* along with this library; if not, write to the Free Software Foundation, *
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* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA *
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\**************************************************************************/
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/* $Id$ */
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// define the maximal length of a message_id, all message_ids have to be unique
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// in this length, our column is varchar 255, but addslashes might add some length
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if (!defined('MAX_MESSAGE_ID_LENGTH'))
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{
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define('MAX_MESSAGE_ID_LENGTH',230);
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}
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// some constanst for pre php4.3
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if (!defined('PHP_SHLIB_SUFFIX'))
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{
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define('PHP_SHLIB_SUFFIX',strtoupper(substr(PHP_OS, 0,3)) == 'WIN' ? 'dll' : 'so');
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}
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if (!defined('PHP_SHLIB_PREFIX'))
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{
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define('PHP_SHLIB_PREFIX',PHP_SHLIB_SUFFIX == 'dll' ? 'php_' : '');
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}
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class translation
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{
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var $userlang = 'en';
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var $loaded_apps = array();
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function translation($warnings = False)
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{
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for ($i = 1; $i <= 9; $i++)
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{
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$this->placeholders[] = '%'.$i;
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}
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$this->db = is_object($GLOBALS['phpgw']->db) ? $GLOBALS['phpgw']->db : $GLOBALS['phpgw_setup']->db;
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if (!isset($GLOBALS['phpgw_setup']))
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{
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$this->system_charset = @$GLOBALS['phpgw_info']['server']['system_charset'];
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}
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else
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{
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$this->db->query("SELECT config_value FROM phpgw_config WHERE config_app='phpgwapi' AND config_name='system_charset'",__LINE__,__FILE__);
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if ($this->db->next_record())
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{
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$this->system_charset = $this->db->f(0);
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}
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}
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// load multi-byte-string-extension if needed, and set its internal encodeing to your system_charset
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if ($this->system_charset && substr($this->system_charset,0,9) != 'iso-8859-1')
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{
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if ($this->mbstring = extension_loaded('mbstring') || @dl(PHP_SHLIB_PREFIX.'mbstring.'.PHP_SHLIB_SUFFIX))
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{
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ini_set('mbstring.internal_encoding',$this->system_charset);
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if (ini_get('mbstring.func_overload') < 7)
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{
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if ($warnings)
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{
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echo "<p>Warning: Please set <b>mbstring.func_overload = 7</b> in your php.ini for useing <b>$this->system_charset</b> as your charset !!!</p>\n";
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}
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}
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}
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else
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{
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if ($warnings)
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{
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echo "<p>Warning: Please get and/or enable the <b>mbstring extension</b> in your php.ini for useing <b>$this->system_charset</b> as your charset, we are defaulting to <b>iconv</b> for now !!!</p>\n";
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}
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}
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}
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}
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/*
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@function charset
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@abstract returns the charset to use (!$lang) or the charset of the lang-files or $lang
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*/
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function charset($lang=False)
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{
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if ($lang)
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{
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if (!isset($this->charsets[$lang]))
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{
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$this->db->query("SELECT content FROM phpgw_lang WHERE lang='$lang' AND message_id='charset' AND app_name='common'",__LINE__,__FILE__);
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$this->charsets[$lang] = $this->db->next_record() ? strtolower($this->db->f(0)) : 'iso-8859-1';
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}
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return $this->charsets[$lang];
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}
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if ($this->system_charset) // do we have a system-charset ==> return it
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{
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return $this->system_charset;
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}
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// if no translations are loaded (system-startup) use a default, else lang('charset')
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return !is_array(@$GLOBALS['lang']) ? 'iso-8859-1' : strtolower($this->translate('charset'));
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}
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function init()
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{
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// post-nuke and php-nuke are using $GLOBALS['lang'] too
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// but not as array!
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// this produces very strange results
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if (!is_array(@$GLOBALS['lang']))
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{
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$GLOBALS['lang'] = array();
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}
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if ($GLOBALS['phpgw_info']['user']['preferences']['common']['lang'])
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{
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$this->userlang = $GLOBALS['phpgw_info']['user']['preferences']['common']['lang'];
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}
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$this->add_app('common');
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if (!count($GLOBALS['lang']))
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{
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$this->userlang = 'en';
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$this->add_app('common');
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}
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$this->add_app($GLOBALS['phpgw_info']['flags']['currentapp']);
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}
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/*!
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@function translate
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@abstract translates a phrase and evtl. substitute some variables
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@returns the translation
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*/
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function translate($key, $vars=false, $not_found='*' )
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{
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if (!is_array(@$GLOBALS['lang']) || !count($GLOBALS['lang']))
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{
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$this->init();
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}
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$ret = $key.$not_found; // save key if we dont find a translation
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if (isset($GLOBALS['lang'][$key]))
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{
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$ret = $GLOBALS['lang'][$key];
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}
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else
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{
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$new_key = strtolower(trim(substr($key,0,MAX_MESSAGE_ID_LENGTH)));
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if (isset($GLOBALS['lang'][$new_key]))
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{
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// we save the original key for performance
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$ret = $GLOBALS['lang'][$key] = $GLOBALS['lang'][$new_key];
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}
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}
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if (is_array($vars) && count($vars))
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{
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if (count($vars) > 1)
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{
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$ret = str_replace($this->placeholders,$vars,$ret);
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}
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else
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{
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$ret = str_replace('%1',$vars[0],$ret);
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}
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}
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return $ret;
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}
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/*!
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@function add_app
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@abstract adds translations for an application from the database to the lang-array
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@syntax add_app($app,$lang=False)
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@param $app name of the application to add (or 'common' for the general translations)
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@param $lang 2-char code of the language to use or False if the users language should be used
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*/
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function add_app($app,$lang=False)
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{
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$lang = $lang ? $lang : $this->userlang;
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if (!isset($this->loaded_apps[$app]) || $this->loaded_apps[$app] != $lang)
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{
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$sql = "select message_id,content from phpgw_lang where lang='".$lang."' and app_name='".$app."'";
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$this->db->query($sql,__LINE__,__FILE__);
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while ($this->db->next_record())
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{
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$GLOBALS['lang'][strtolower ($this->db->f('message_id'))] = $this->db->f('content');
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}
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$this->loaded_apps[$app] = $lang;
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}
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}
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/*!
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@function get_installed_langs
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@abstract returns a list of installed langs
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@returns array with 2-character lang-code as key and descriptiv lang-name as data
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*/
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function get_installed_langs()
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{
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if (!is_array($this->langs))
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{
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$this->db->query("SELECT DISTINCT l.lang,ln.lang_name FROM phpgw_lang l,phpgw_languages ln WHERE l.lang = ln.lang_id",__LINE__,__FILE__);
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if (!$this->db->num_rows())
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{
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return False;
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}
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while ($this->db->next_record())
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{
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$this->langs[$this->db->f('lang')] = $this->db->f('lang_name');
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}
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foreach($this->langs as $lang => $name)
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{
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$this->langs[$lang] = $this->translate($name,False,'');
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}
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}
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return $this->langs;
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}
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/*!
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@function get_installed_charsets
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@abstract returns a list of installed charsets
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@returns array with charset as key and comma-separated list of langs useing the charset as data
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*/
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function get_installed_charsets()
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{
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if (!is_array($this->charsets))
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{
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$this->db->query("SELECT DISTINCT l.lang,ln.lang_name,l.content AS charset FROM phpgw_lang l,phpgw_languages ln WHERE l.lang = ln.lang_id AND l.message_id='charset'",__LINE__,__FILE__);
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if (!$this->db->num_rows())
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{
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return False;
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}
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while ($this->db->next_record())
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{
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$data = &$this->charsets[$charset = strtolower($this->db->f('charset'))];
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$data .= ($data ? ', ' : $charset.': ').
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$this->db->f('lang_name').' ('.$this->db->f('lang').')';
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}
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}
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return $this->charsets;
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}
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/*!
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@function convert
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@abstract converts a string $data from charset $from to charset $to
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@syntax convert($data,$from=False,$to=False)
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@param $data string or array of strings to convert
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@param $from charset $data is in or False if it should be detected
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@param $to charset to convert to or False for the system-charset
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@returns the converted string
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*/
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function convert($data,$from=False,$to=False)
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{
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if (is_array($data))
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{
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foreach($data as $key => $str)
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{
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$ret[$key] = $this->convert($str,$from,$to);
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}
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return $ret;
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}
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if ($from)
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{
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$from = strtolower($from);
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}
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if ($to)
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{
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$to = strtolower($to);
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}
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if (!$from)
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{
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$from = $this->mbstring ? strtolower(mb_detect_encoding($data)) : 'iso-8859-1';
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if($from == 'ascii')
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{
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$from = 'iso-8859-1';
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}
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//echo "<p>autodetected charset of '$data' = '$from'</p>\n";
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}
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/*
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php does not seem to support gb2312
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but seems to be able to decode it as EUC-CN
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*/
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switch($from)
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{
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case 'gb2312':
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case 'gb18030':
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$from = 'EUC-CN';
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break;
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case 'us-ascii':
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$from = 'iso-8859-1';
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break;
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}
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if (!$to)
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{
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$to = $this->charset();
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}
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if ($from == $to || !$from || !$to || !$data)
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{
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return $data;
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}
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if ($from == 'iso-8859-1' && $to == 'utf-8')
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{
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return utf8_encode($data);
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}
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if ($to == 'iso-8859-1' && $from == 'utf-8')
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{
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return utf8_decode($data);
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}
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if ($this->mbstring)
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{
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return @mb_convert_encoding($data,$to,$from);
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}
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if(function_exists('iconv'))
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{
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if (($data = iconv($from,$to,$data)))
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{
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return $data;
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}
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}
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#die("<p>Can't convert from charset '$from' to '$to' without the <b>mbstring extension</b> !!!</p>");
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// this is not good, not convert did succed
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return $data;
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}
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/*!
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@function install_langs
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@abstract installs translations for the selected langs into the database
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@syntax install_langs($langs,$upgrademethod='dumpold')
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@param $langs array of langs to install (as data NOT keys (!))
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@param $upgrademethod 'dumpold' (recommended & fastest), 'addonlynew' languages, 'addmissing' phrases
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*/
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function install_langs($langs,$upgrademethod='dumpold',$only_app=False)
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{
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@set_time_limit(0); // we might need some time
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if (!isset($GLOBALS['phpgw_info']['server']) && $upgrademethod != 'dumpold')
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{
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$this->db->query("SELECT * FROM phpgw_config WHERE config_app='phpgwapi' AND config_name='lang_ctimes'",__LINE__,__FILE__);
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if ($this->db->next_record())
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{
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$GLOBALS['phpgw_info']['server']['lang_ctimes'] = unserialize(stripslashes($this->db->f('config_value')));
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}
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}
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if (!is_array($langs) || !count($langs))
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{
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return;
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}
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$this->db->transaction_begin();
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if ($upgrademethod == 'dumpold')
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{
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// dont delete the custom main- & loginscreen messages every time
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$this->db->query("DELETE FROM phpgw_lang WHERE app_name != 'mainscreen' AND app_name != 'loginscreen'",__LINE__,__FILE__);
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//echo '<br>Test: dumpold';
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$GLOBALS['phpgw_info']['server']['lang_ctimes'] = array();
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}
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foreach($langs as $lang)
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{
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//echo '<br>Working on: ' . $lang;
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$addlang = False;
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if ($upgrademethod == 'addonlynew')
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{
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//echo "<br>Test: addonlynew - select count(*) from phpgw_lang where lang='".$lang."'";
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$this->db->query("SELECT COUNT(*) FROM phpgw_lang WHERE lang='".$lang."'",__LINE__,__FILE__);
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$this->db->next_record();
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if ($this->db->f(0) == 0)
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{
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//echo '<br>Test: addonlynew - True';
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$addlang = True;
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}
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}
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if ($addlang && $upgrademethod == 'addonlynew' || $upgrademethod != 'addonlynew')
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{
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//echo '<br>Test: loop above file()';
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if (!is_object($GLOBALS['phpgw_setup']))
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{
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$GLOBALS['phpgw_setup'] = CreateObject('phpgwapi.setup');
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$GLOBALS['phpgw_setup']->db = $this->db;
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}
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$setup_info = $GLOBALS['phpgw_setup']->detection->get_versions();
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$setup_info = $GLOBALS['phpgw_setup']->detection->get_db_versions($setup_info);
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$raw = array();
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$apps = $only_app ? array($only_app) : array_keys($setup_info);
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// Visit each app/setup dir, look for a phpgw_lang file
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foreach($apps as $app)
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{
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$appfile = PHPGW_SERVER_ROOT . SEP . $app . SEP . 'setup' . SEP . 'phpgw_' . strtolower($lang) . '.lang';
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//echo '<br>Checking in: ' . $app['name'];
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if($GLOBALS['phpgw_setup']->app_registered($app) && file_exists($appfile))
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{
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//echo '<br>Including: ' . $appfile;
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$lines = file($appfile);
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foreach($lines as $line)
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{
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// we realy need to split with tab+cr, as only this works with mbstring.overload=7 !!!
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list($message_id,$app_name,,$content) = split("[\t\n]",$line);
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$message_id = substr(strtolower(chop($message_id)),0,MAX_MESSAGE_ID_LENGTH);
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$app_name = chop($app_name);
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$raw[$app_name][$message_id] = $content;
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}
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$GLOBALS['phpgw_info']['server']['lang_ctimes'][$lang][$app] = filectime($appfile);
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}
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}
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$charset = strtolower(@$raw['common']['charset'] ? $raw['common']['charset'] : $this->charset($lang));
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//echo "<p>lang='$lang', charset='$charset', system_charset='$this->system_charset')</p>\n";
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//echo "<p>raw($lang)=<pre>".print_r($raw,True)."</pre>\n";
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foreach($raw as $app_name => $ids)
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{
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$app_name = $this->db->db_addslashes($app_name);
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foreach($ids as $message_id => $content)
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{
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if ($this->system_charset)
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{
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$content = $this->convert($content,$charset,$this->system_charset);
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}
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$message_id = $this->db->db_addslashes($message_id);
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$content = $this->db->db_addslashes($content);
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$addit = False;
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//echo '<br>APPNAME:' . $app_name . ' PHRASE:' . $message_id;
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if ($upgrademethod == 'addmissing')
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{
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//echo '<br>Test: addmissing';
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$this->db->query("SELECT content,CASE WHEN app_name IN ('common') then 1 else 0 END AS in_api FROM phpgw_lang WHERE message_id='$message_id' AND lang='$lang' AND (app_name='$app_name' OR app_name='common') ORDER BY in_api DESC",__LINE__,__FILE__);
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if (!($row = $this->db->row(True)))
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{
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$addit = True;
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}
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else
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{
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if ($row['in_api']) // same phrase is in the api
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{
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$addit = $row['content'] != $content; // only add if not identical
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}
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$row2 = $this->db->row(True);
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if (!$row['in_api'] || $app_name=='common' || $row2) // phrase is alread in the db
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{
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$addit = $content != ($row2 ? $row2['content'] : $row['content']);
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if ($addit) // if we want to add/update it ==> delete it
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{
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$this->db->query($q="DELETE FROM phpgw_lang WHERE message_id='$message_id' AND lang='$lang' AND app_name='$app_name'",__LINE__,__FILE__);
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}
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}
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}
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}
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if ($addit || $upgrademethod == 'addonlynew' || $upgrademethod == 'dumpold')
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{
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if($message_id && $content)
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{
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//echo "<br>adding - insert into phpgw_lang values ('$message_id','$app_name','$lang','$content')";
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$result = $this->db->query("INSERT INTO phpgw_lang (message_id,app_name,lang,content) VALUES('$message_id','$app_name','$lang','$content')",__LINE__,__FILE__);
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if ((int)$result <= 0)
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{
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echo "<br>Error inserting record: phpgw_lang values ('$message_id','$app_name','$lang','$content')";
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
$this->db->transaction_commit();
|
|
|
|
// update the ctimes of the installed langsfiles for the autoloading of the lang-files
|
|
//
|
|
$config = CreateObject('phpgwapi.config.save_value');
|
|
$config->save_value('lang_ctimes',$GLOBALS['phpgw_info']['server']['lang_ctimes'],'phpgwapi');
|
|
}
|
|
|
|
/*!
|
|
@function autolaod_changed_langfiles
|
|
@abstract re-loads all (!) langfiles if one langfile for the an app and the language of the user has changed
|
|
*/
|
|
function autoload_changed_langfiles()
|
|
{
|
|
//echo "<h1>check_langs()</h1>\n";
|
|
if ($GLOBALS['phpgw_info']['server']['lang_ctimes'] && !is_array($GLOBALS['phpgw_info']['server']['lang_ctimes']))
|
|
{
|
|
$GLOBALS['phpgw_info']['server']['lang_ctimes'] = unserialize($GLOBALS['phpgw_info']['server']['lang_ctimes']);
|
|
}
|
|
//_debug_array($GLOBALS['phpgw_info']['server']['lang_ctimes']);
|
|
|
|
$lang = $GLOBALS['phpgw_info']['user']['preferences']['common']['lang'];
|
|
$apps = $GLOBALS['phpgw_info']['user']['apps'];
|
|
$apps['phpgwapi'] = True; // check the api too
|
|
foreach($apps as $app => $data)
|
|
{
|
|
$fname = PHPGW_SERVER_ROOT . "/$app/setup/phpgw_$lang.lang";
|
|
|
|
if (file_exists($fname))
|
|
{
|
|
$ctime = filectime($fname);
|
|
/* This is done to avoid string offset error at least in php5 */
|
|
$tmp = $GLOBALS['phpgw_info']['server']['lang_ctimes'][$lang];
|
|
$ltime = (int)$tmp[$app];
|
|
unset($tmp);
|
|
//echo "checking lang='$lang', app='$app', ctime='$ctime', ltime='$ltime'<br>\n";
|
|
|
|
if ($ctime != $ltime)
|
|
{
|
|
// update all langs
|
|
$installed = $this->get_installed_langs();
|
|
//echo "<p>install_langs(".print_r($installed,True).")</p>\n";
|
|
$this->install_langs($installed ? array_keys($installed) : array());
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Following functions are called for app (un)install */
|
|
|
|
/*!
|
|
@function get_langs
|
|
@abstract return array of installed languages, e.g. array('de','en')
|
|
*/
|
|
function get_langs($DEBUG=False)
|
|
{
|
|
if($DEBUG)
|
|
{
|
|
echo '<br>get_langs(): checking db...' . "\n";
|
|
}
|
|
if (!$this->langs)
|
|
{
|
|
$this->get_installed_langs();
|
|
}
|
|
return $this->langs ? array_keys($this->langs) : array();
|
|
}
|
|
|
|
/*!
|
|
@function drop_langs
|
|
@abstract delete all lang entries for an application, return True if langs were found
|
|
@param $appname app_name whose translations you want to delete
|
|
*/
|
|
function drop_langs($appname,$DEBUG=False)
|
|
{
|
|
if($DEBUG)
|
|
{
|
|
echo '<br>drop_langs(): Working on: ' . $appname;
|
|
}
|
|
$this->db->query("SELECT COUNT(message_id) FROM phpgw_lang WHERE app_name='$appname'",__LINE__,__FILE__);
|
|
$this->db->next_record();
|
|
if($this->db->f(0))
|
|
{
|
|
$this->db->query("DELETE FROM phpgw_lang WHERE app_name='$appname'",__LINE__,__FILE__);
|
|
return True;
|
|
}
|
|
return False;
|
|
}
|
|
|
|
/*!
|
|
@function add_langs
|
|
@abstract process an application's lang files, calling get_langs() to see what langs the admin installed already
|
|
@param $appname app_name of application to process
|
|
*/
|
|
function add_langs($appname,$DEBUG=False,$force_langs=False)
|
|
{
|
|
$langs = $this->get_langs($DEBUG);
|
|
if(is_array($force_langs))
|
|
{
|
|
foreach($force_langs as $lang)
|
|
{
|
|
if (!in_array($lang,$langs))
|
|
{
|
|
$langs[] = $lang;
|
|
}
|
|
}
|
|
}
|
|
|
|
if($DEBUG)
|
|
{
|
|
echo '<br>add_langs(): chose these langs: ';
|
|
_debug_array($langs);
|
|
}
|
|
|
|
$this->install_langs($langs,'addmissing',$appname);
|
|
}
|
|
}
|