<?php
/**************************************************************************\
* eGroupWare API - Translation class for SQL *
* This file written by Joseph Engo <jengo@phpgroupware.org> *
* and Dan Kuykendall <seek3r@phpgroupware.org> *
* Handles multi-language support use SQL tables *
* Copyright (C) 2000, 2001 Joseph Engo *
* ------------------------------------------------------------------------ *
* 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 *
\**************************************************************************/
/* $Id$ */
// define the maximal length of a message_id, all message_ids have to be unique
// in this length, our column is varchar 128
if (!defined('MAX_MESSAGE_ID_LENGTH'))
{
define('MAX_MESSAGE_ID_LENGTH',128);
}
// some constanst for pre php4.3
if (!defined('PHP_SHLIB_SUFFIX'))
{
define('PHP_SHLIB_SUFFIX',strtoupper(substr(PHP_OS, 0,3)) == 'WIN' ? 'dll' : 'so');
}
if (!defined('PHP_SHLIB_PREFIX'))
{
define('PHP_SHLIB_PREFIX',PHP_SHLIB_SUFFIX == 'dll' ? 'php_' : '');
}
// Define prefix for langfiles (historically 'phpgw_')
define('EGW_LANGFILE_PREFIX', 'egw_');
define('PHPGW_LANGFILE_PREFIX', 'phpgw_');
class translation
{
var $userlang = 'en';
var $loaded_apps = array();
var $line_rejected = array();
var $lang_array = array();
var $lang_table = 'egw_lang';
var $languages_table = 'egw_languages';
var $config_table = 'egw_config';
/**
* Instance of the db-class
*
* @var egw_db
*/
var $db;
/**
* Mark untranslated strings with an asterisk (*), values '' or 'yes'
*
* @var string
*/
var $markunstranslated;
/**
* Constructor, sets up a copy of the db-object, gets the system-charset and tries to load the mbstring extension
*/
function translation($warnings = False)
{
for ($i = 1; $i <= 9; $i++) {
$this->placeholders[] = '%'.$i;
}
$this->db = is_object($GLOBALS['egw']->db) ? $GLOBALS['egw']->db : $GLOBALS['egw_setup']->db;
if (is_object($this->db)) $this->db->set_app('phpgwapi');
if (!isset($GLOBALS['egw_setup'])) {
$this->system_charset = @$GLOBALS['egw_info']['server']['system_charset'];
} else {
$this->system_charset =& $GLOBALS['egw_setup']->system_charset;
}
if (extension_loaded('mbstring') || @dl(PHP_SHLIB_PREFIX.'mbstring.'.PHP_SHLIB_SUFFIX)) {
$this->mbstring = true;
if(!empty($this->system_charset)) {
ini_set('mbstring.internal_encoding',$this->system_charset);
}
if (ini_get('mbstring.func_overload') < 7) {
if ($warnings) {
echo "<p>Warning: Please set <b>mbstring.func_overload = 7</b> in your php.ini for useing <b>$this->system_charset</b> as your charset !!!</p>\n";
}
}
} else {
if ($warnings) {
echo "<p>Warning: Please get and/or enable the <b>mbstring extension</b> in your php.ini for useing <b>$this->system_charset</b> as your charset, we are defaulting to <b>iconv</b> for now !!!</p>\n";
}
}
}
/**
* returns the charset to use (!$lang) or the charset of the lang-files or $lang
*
* @param string/boolean $lang=False return charset of the active user-lang, or $lang if specified
* @return string charset
*/
function charset($lang=False)
{
if ($lang)
{
if (!isset($this->charsets[$lang]))
{
$this->db->select($this->lang_table,'content',array(
'lang' => $lang,
'message_id'=> 'charset',
'app_name' => 'common',
),__LINE__,__FILE__);
$this->charsets[$lang] = $this->db->next_record() ? strtolower($this->db->f(0)) : 'iso-8859-1';
}
return $this->charsets[$lang];
}
if ($this->system_charset) // do we have a system-charset ==> return it
{
$charset = $this->system_charset;
}
else
{
// if no translations are loaded (system-startup) use a default, else lang('charset')
$charset = !is_array(@$this->lang_arr) ? 'iso-8859-1' : strtolower($this->translate('charset'));
}
// we need to set our charset as mbstring.internal_encoding if mbstring.func_overlaod > 0
// else we get problems for a charset is different from the default utf-8
if (ini_get('mbstring.func_overload') && $this->mbstring_internal_encoding != $charset)
{
ini_set('mbstring.internal_encoding',$this->mbstring_internal_encoding = $charset);
}
return $charset;
}
/**
* Initialises global lang-array and loads the 'common' and app-spec. translations
*/
function init()
{
if (!is_array(@$this->lang_arr))
{
$this->lang_arr = array();
}
if ($GLOBALS['egw_info']['user']['preferences']['common']['lang'])
{
$this->userlang = $GLOBALS['egw_info']['user']['preferences']['common']['lang'];
}
$this->add_app('common');
if (!count($this->lang_arr))
{
$this->userlang = 'en';
$this->add_app('common');
}
$this->add_app($GLOBALS['egw_info']['flags']['currentapp']);
$this->markunstranslated = $GLOBALS['egw_info']['server']['markuntranslated'];
}
/**
* translates a phrase and evtl. substitute some variables
*
* @param string $key phrase to translate, may contain placeholders %N (N=1,2,...) for vars
* @param array/boolean $vars=false vars to replace the placeholders, or false for none
* @param string $not_found='*' what to add to not found phrases, default '*'
* @return string with translation
*/
function translate($key, $vars=false, $not_found='*' )
{
if (!is_array(@$this->lang_arr) || !count($this->lang_arr))
{
$this->init();
}
$ret = $key; // save key if we dont find a translation
if ($not_found && $this->markunstranslated) $ret .= $not_found;
if (isset($this->lang_arr[$key]))
{
$ret = $this->lang_arr[$key];
}
else
{
$new_key = strtolower(trim(substr($key,0,MAX_MESSAGE_ID_LENGTH)));
if (isset($this->lang_arr[$new_key]))
{
// we save the original key for performance
$ret = $this->lang_arr[$key] =& $this->lang_arr[$new_key];
}
}
if (is_array($vars) && count($vars))
{
if (count($vars) > 1)
{
$ret = str_replace($this->placeholders,$vars,$ret);
}
else
{
$ret = str_replace('%1',$vars[0],$ret);
}
}
return $ret;
}
/**
* adds translations for an application from the database to the lang-array
*
* @param string $app name of the application to add (or 'common' for the general translations)
* @param string/boolean $lang=false 2 or 5 char lang-code or false for the users language
*/
function add_app($app,$lang=False)
{
$lang = $lang ? $lang : $this->userlang;
if (!isset($this->loaded_apps[$app]) || $this->loaded_apps[$app] != $lang)
{
if ($app == 'setup') return $this->add_setup($lang);
$this->db->select($this->lang_table,'message_id,content',array(
'lang' => $lang,
'app_name' => $app,
),__LINE__,__FILE__);
while ($this->db->next_record())
{
$this->lang_arr[strtolower ($this->db->f('message_id'))] = $this->db->f('content');
}
$this->loaded_apps[$app] = $lang;
}
}
/**
* Adds setup's translations, they are not in the DB!
*
* @param string $lang 2 or 5 char lang-code
*/
function add_setup($lang)
{
foreach(array(
EGW_SERVER_ROOT.'/setup/lang/' . EGW_LANGFILE_PREFIX . $lang . '.lang',
EGW_SERVER_ROOT.'/setup/lang/' . PHPGW_LANGFILE_PREFIX . $lang . '.lang',
EGW_SERVER_ROOT.'/setup/lang/' . EGW_LANGFILE_PREFIX . 'en.lang',
EGW_SERVER_ROOT.'/setup/lang/' . PHPGW_LANGFILE_PREFIX . 'en.lang',
) as $fn)
{
if (file_exists($fn))
{
$fp = fopen($fn,'r');
while ($data = fgets($fp,8000))
{
// explode with "\t" and removing "\n" with str_replace, needed to work with mbstring.overload=7
list($message_id,,,$content) = explode("\t",$data);
$phrases[strtolower(trim($message_id))] = str_replace("\n",'',$content);
}
fclose($fp);
foreach($phrases as $message_id => $content)
{
$this->lang_arr[$message_id] = $this->convert($content,$phrases['charset']);
}
}
break;
}
$this->loaded_apps['setup'] = $lang;
}
/**
* returns a list of installed langs
*
* @param boolean $force_read=false force a re-read of the languages
* @return array with lang-code => descriptiv lang-name pairs
*/
function get_installed_langs($force_read=false)
{
if (!is_array($this->langs) || $force_read)
{
$this->langs = array();
$this->db->select($this->lang_table,'DISTINCT lang,lang_name','lang = lang_id',__LINE__,__FILE__,
false,'',false,0,','.$this->languages_table);
if (!$this->db->num_rows())
{
return False;
}
while ($this->db->next_record())
{
$this->langs[$this->db->f('lang')] = $this->db->f('lang_name');
}
foreach($this->langs as $lang => $name)
{
$this->langs[$lang] = $this->translate($name,False,'');
}
uasort($this->langs,'strcasecmp');
}
return $this->langs;
}
/**
* translates a 2 or 5 char lang-code into a (verbose) language
*
* @param string $lang
* @return string/false language or false if not found
*/
function lang2language($lang)
{
if (isset($this->langs[$lang])) // no need to query the DB
{
return $this->langs[$lang];
}
$this->db->select($this->languages_table,'lang_name',array('lang_id' => $lang),__LINE__,__FILE__);
return $this->db->next_record() ? $this->db->f('lang_name') : false;
}
/**
* List all languages, first the installed ones, then the availible ones and last the rest
*
* @return array with lang_id => lang_name pairs
*/
function list_langs()
{
$languages = $this->get_installed_langs(); // used translated installed languages
$availible = array();
$f = fopen(EGW_SERVER_ROOT.'/setup/lang/languages','rb');
while($line = fgets($f,200))
{
list($id,$name) = explode("\t",$line);
$availible[] = trim($id);
}
fclose($f);
$availible = "('".implode("','",$availible)."')";
// this shows first the installed, then the available and then the rest
$this->db->select($this->languages_table,array(
'lang_id','lang_name',
"CASE WHEN lang_id IN $availible THEN 1 ELSE 0 END AS availible",
),"lang_id NOT IN ('".implode("','",array_keys($languages))."')",__LINE__,__FILE__,false,' ORDER BY availible DESC,lang_name');
while (($row = $this->db->row(true)))
{
$languages[$row['lang_id']] = $row['lang_name'];
}
return $languages;
}
/**
* returns a list of installed charsets
*
* @return array with charset as key and comma-separated list of langs useing the charset as data
*/
function get_installed_charsets()
{
if (!is_array($this->charsets))
{
$this->get_installed_langs();
$distinct = $this->db->capabilities['distinct_on_text'] ? 'DISTINCT' : '';
$this->db->select($this->lang_table,$distinct.' lang,lang_name,content AS charset',array(
'message_id' => 'charset',
),__LINE__,__FILE__,false,'',false,0,",$this->languages_table WHERE lang = lang_id");
if (!$this->db->num_rows())
{
return False;
}
while ($this->db->next_record())
{
$data = &$this->charsets[$charset = strtolower($this->db->f('charset'))];
$lang = $this->langs[$this->db->f('lang')].' ('.$this->db->f('lang').')';
if ($distinct || strpos($data,$lang) === false)
{
$data .= ($data ? ', ' : $charset.': ').$lang;
}
}
// add the old charsets, to provide some alternatives to utf-8 while importing
foreach(array(
'iso-8859-1' => 'Western european',
'iso-8859-2' => 'Eastern european',
'iso-8859-7' => 'Greek',
'euc-jp' => 'Japanese',
'euc-kr' => 'Korean',
'koi8-r' => 'Russian',
'windows-1251' => 'Bulgarian') as $charset => $lang)
{
$this->charsets[$charset] .= (!isset($this->charsets[$charset]) ? $charset.': ' : ', ') . $lang;
}
}
return $this->charsets;
}
/**
* converts a string $data from charset $from to charset $to
*
* @param string/array $data string(s) to convert
* @param string/boolean $from charset $data is in or False if it should be detected
* @param string/boolean $to charset to convert to or False for the system-charset the converted string
* @return string/array converted string(s) from $data
*/
function convert($data,$from=False,$to=False)
{
if (is_array($data))
{
foreach($data as $key => $str)
{
$ret[$key] = $this->convert($str,$from,$to);
}
return $ret;
}
if ($from)
{
$from = strtolower($from);
}
if ($to)
{
$to = strtolower($to);
}
if (!$from)
{
$from = $this->mbstring ? strtolower(mb_detect_encoding($data)) : 'iso-8859-1';
if($from == 'ascii')
{
$from = 'iso-8859-1';
}
//echo "<p>autodetected charset of '$data' = '$from'</p>\n";
}
/*
php does not seem to support gb2312
but seems to be able to decode it as EUC-CN
*/
switch($from)
{
case 'gb2312':
case 'gb18030':
$from = 'EUC-CN';
break;
case 'us-ascii':
case 'macroman':
$from = 'iso-8859-1';
break;
case 'windows-1250':
$from = 'iso-8859-2';
break;
}
if (!$to)
{
$to = $this->charset();
}
if ($from == $to || !$from || !$to || !$data)
{
return $data;
}
if ($from == 'iso-8859-1' && $to == 'utf-8')
{
return utf8_encode($data);
}
if ($to == 'iso-8859-1' && $from == 'utf-8')
{
return utf8_decode($data);
}
if ($this->mbstring && mb_convert_encoding($data,$to,$from)!="")
{
return @mb_convert_encoding($data,$to,$from);
}
if(function_exists('iconv'))
{
// iconv can not convert from/to utf7-imap
if ($to == 'utf7-imap' && function_exists(imap_utf7_encode)) {
$convertedData = iconv($from, 'iso-8859-1', $data);
$convertedData = imap_utf7_encode($convertedData);
return $convertedData;
}
if ($from == 'utf7-imap' && function_exists(imap_utf7_decode)) {
$convertedData = imap_utf7_decode($data);
$convertedData = iconv('iso-8859-1', $to, $convertedData);
return $convertedData;
}
// the following is to workaround patch #962307
// if using EUC-CN, for iconv it strickly follow GB2312 and fail
// in an email on the first Traditional/Japanese/Korean character,
// but in reality when people send mails in GB2312, UMA mostly use
// extended GB13000/GB18030 which allow T/Jap/Korean characters.
if($from=='EUC-CN') {
$from='gb18030';
}
if (($convertedData = iconv($from,$to,$data))) {
return $convertedData;
}
}
#die("<p>Can't convert from charset '$from' to '$to' without the <b>mbstring extension</b> !!!</p>");
// this is not good, not convert did succed
return $data;
}
/**
* installs translations for the selected langs into the database
*
* @param array $langs langs to install (as data NOT keys (!))
* @param string $upgrademethod='dumpold' 'dumpold' (recommended & fastest), 'addonlynew' languages, 'addmissing' phrases
* @param string/boolean $only_app=false app-name to install only one app or default false for all
*/
function install_langs($langs,$upgrademethod='dumpold',$only_app=False)
{
@set_time_limit(0); // we might need some time
//echo "<p>translation_sql::install_langs(".print_r($langs,true).",'$upgrademthod','$only_app')</p>\n";
if (!isset($GLOBALS['egw_info']['server']) && $upgrademethod != 'dumpold')
{
$this->db->select($this->config_table,'config_value',array(
'config_app' => 'phpgwapi',
'config_name' => 'lang_ctimes',
),__LINE__,__FILE__);
if ($this->db->next_record())
{
$GLOBALS['egw_info']['server']['lang_ctimes'] = unserialize(stripslashes($this->db->f('config_value')));
}
}
if (!is_array($langs) || !count($langs))
{
return;
}
$this->db->transaction_begin();
if ($upgrademethod == 'dumpold')
{
// dont delete the custom main- & loginscreen messages every time
$this->db->delete($this->lang_table,array("app_name!='mainscreen'","app_name!='loginscreen'"),__LINE__,__FILE__);
//echo '<br>Test: dumpold';
$GLOBALS['egw_info']['server']['lang_ctimes'] = array();
}
foreach($langs as $lang)
{
//echo '<br>Working on: ' . $lang;
$addlang = False;
if ($upgrademethod == 'addonlynew')
{
//echo "<br>Test: addonlynew - select count(*) from egw_lang where lang='".$lang."'";
$this->db->select($this->lang_table,'COUNT(*)',array(
'lang' => $lang,
),__LINE__,__FILE__);
$this->db->next_record();
if ($this->db->f(0) == 0)
{
//echo '<br>Test: addonlynew - True';
$addlang = True;
}
}
if ($addlang && $upgrademethod == 'addonlynew' || $upgrademethod != 'addonlynew')
{
//echo '<br>Test: loop above file()';
if (!is_object($GLOBALS['egw_setup']))
{
$GLOBALS['egw_setup'] =& CreateObject('setup.setup');
$GLOBALS['egw_setup']->db = clone($this->db);
}
$setup_info = $GLOBALS['egw_setup']->detection->get_versions();
$setup_info = $GLOBALS['egw_setup']->detection->get_db_versions($setup_info);
$raw = array();
$apps = $only_app ? array($only_app) : array_keys($setup_info);
// Visit each app/setup dir, look for a egw_lang file
foreach($apps as $app)
{
$appfile = EGW_SERVER_ROOT . SEP . $app . SEP . 'setup' . SEP . EGW_LANGFILE_PREFIX . strtolower($lang) . '.lang';
$old_appfile = EGW_SERVER_ROOT . SEP . $app . SEP . 'setup' . SEP . PHPGW_LANGFILE_PREFIX . strtolower($lang) . '.lang';
//echo '<br>Checking in: ' . $app;
if($GLOBALS['egw_setup']->app_registered($app) && (file_exists($appfile) || file_exists($appfile=$old_appfile)))
{
//echo '<br>Including: ' . $appfile;
$lines = file($appfile);
foreach($lines as $line)
{
// explode with "\t" and removing "\n" with str_replace, needed to work with mbstring.overload=7
list($message_id,$app_name,,$content) = $_f_buffer = explode("\t",$line);
$content=str_replace(array("\n","\r"),'',$content);
if( count($_f_buffer) != 4 )
{
$line_display = str_replace(array("\t","\n"),
array("<font color='red'><b>\\t</b></font>","<font color='red'><b>\\n</b></font>"), $line);
$this->line_rejected[] = array(
'appfile' => $appfile,
'line' => $line_display,
);
}
$message_id = substr(strtolower(chop($message_id)),0,MAX_MESSAGE_ID_LENGTH);
$app_name = chop($app_name);
$raw[$app_name][$message_id] = $content;
}
if ($GLOBALS['egw_info']['server']['lang_ctimes'] && !is_array($GLOBALS['egw_info']['server']['lang_ctimes']))
{
$GLOBALS['egw_info']['server']['lang_ctimes'] = unserialize($GLOBALS['egw_info']['server']['lang_ctimes']);
}
$GLOBALS['egw_info']['server']['lang_ctimes'][$lang][$app] = filectime($appfile);
}
}
$charset = strtolower(@$raw['common']['charset'] ? $raw['common']['charset'] : $this->charset($lang));
//echo "<p>lang='$lang', charset='$charset', system_charset='$this->system_charset')</p>\n";
//echo "<p>raw($lang)=<pre>".print_r($raw,True)."</pre>\n";
foreach($raw as $app_name => $ids)
{
foreach($ids as $message_id => $content)
{
if ($this->system_charset)
{
$content = $this->convert($content,$charset,$this->system_charset);
}
$addit = False;
//echo '<br>APPNAME:' . $app_name . ' PHRASE:' . $message_id;
if ($upgrademethod == 'addmissing')
{
//echo '<br>Test: addmissing';
$this->db->select($this->lang_table,"content,CASE WHEN app_name IN ('common') THEN 1 ELSE 0 END AS in_api",array(
'message_id' => $message_id,
'lang' => $lang,
$this->db->expression($this->lang_table,'(',array(
'app_name' => $app_name
)," OR app_name='common') ORDER BY in_api DESC")),__LINE__,__FILE__);
if (!($row = $this->db->row(True)))
{
$addit = True;
}
else
{
if ($row['in_api']) // same phrase is in the api
{
$addit = $row['content'] != $content; // only add if not identical
}
$row2 = $this->db->row(True);
if (!$row['in_api'] || $app_name=='common' || $row2) // phrase is alread in the db
{
$addit = $content != ($row2 ? $row2['content'] : $row['content']);
if ($addit) // if we want to add/update it ==> delete it
{
$this->db->delete($this->lang_table,array(
'message_id' => $message_id,
'lang' => $lang,
'app_name' => $app_name,
),__LINE__,__FILE__);
}
}
}
}
if ($addit || $upgrademethod == 'addonlynew' || $upgrademethod == 'dumpold')
{
if($message_id && $content)
{
// echo "<br>adding - insert into egw_lang values ('$message_id','$app_name','$lang','$content')";
$result = $this->db->insert($this->lang_table,array(
'message_id' => $message_id,
'app_name' => $app_name,
'lang' => $lang,
'content' => $content,
),False,__LINE__,__FILE__);
if ((int)$result <= 0)
{
echo "<br>Error inserting record: egw_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');
$config->save_value('lang_ctimes',$GLOBALS['egw_info']['server']['lang_ctimes'],'phpgwapi');
}
/**
* 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 ($GLOBALS['egw_info']['server']['lang_ctimes'] && !is_array($GLOBALS['egw_info']['server']['lang_ctimes']))
{
$GLOBALS['egw_info']['server']['lang_ctimes'] = unserialize($GLOBALS['egw_info']['server']['lang_ctimes']);
}
//_debug_array($GLOBALS['egw_info']['server']['lang_ctimes']);
$lang = $GLOBALS['egw_info']['user']['preferences']['common']['lang'];
$apps = $GLOBALS['egw_info']['user']['apps'];
$apps['phpgwapi'] = True; // check the api too
foreach($apps as $app => $data)
{
$fname = EGW_SERVER_ROOT . "/$app/setup/" . EGW_LANGFILE_PREFIX . "$lang.lang";
$old_fname = EGW_SERVER_ROOT . "/$app/setup/" . PHPGW_LANGFILE_PREFIX . "$lang.lang";
if (file_exists($fname) || file_exists($fname = $old_fname))
{
$ctime = filectime($fname);
/* This is done to avoid string offset error at least in php5 */
$tmp = $GLOBALS['egw_info']['server']['lang_ctimes'][$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 */
/**
* gets array of installed languages, e.g. array('de','en')
*
* @param boolean $DEBUG=false debug messages or not, default not
* @return array with installed langs
*/
function get_langs($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();
}
/**
* delete all lang entries for an application, return True if langs were found
*
* @param $appname app_name whose translations you want to delete
* @param boolean $DEBUG=false debug messages or not, default not
* @return boolean true if $appname had translations installed, false otherwise
*/
function drop_langs($appname,$DEBUG=False)
{
if($DEBUG)
{
echo '<br>drop_langs(): Working on: ' . $appname;
}
$this->db->select($this->lang_table,'COUNT(message_id)',array(
'app_name' => $appname
),__LINE__,__FILE__);
if($this->db->next_record() && $this->db->f(0))
{
$this->db->delete($this->lang_table,array(
'app_name' => $appname
),__LINE__,__FILE__);
return True;
}
return False;
}
/**
* process an application's lang files, calling get_langs() to see what langs the admin installed already
*
* @param string $appname app_name of application to process
* @param boolean $DEBUG=false debug messages or not, default not
* @param array/boolean $force_langs=false array with langs to install anyway (beside the allready installed ones), or false for none
*/
function add_langs($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);
}
/**
* insert/update one phrase in the lang-table
*
* @param string $lang
* @param string $app_name
* @param string $message_id
* @param string $content
*/
function write($lang,$app_name,$message_id,$content)
{
$this->db->insert($this->lang_table,array(
'content' => $content,
),array(
'lang' => $lang,
'app_name' => $app_name,
'message_id' => $message_id,
),__LINE__,__FILE__);
}
/**
* read one phrase from the lang-table
*
* @param string $lang
* @param string $app_name
* @param string $message_id
* @return string/boolean content or false if not found
*/
function read($lang,$app_name,$message_id)
{
$this->db->select($this->lang_table,'content',array(
'lang' => $lang,
'app_name' => $app_name,
'message_id' => $message_id,
),__LINE__,__FILE__);
return $this->db->next_record() ? $this->db->f('content') : false;
}
/**
* Return the message_id of a given translation
*
* @param string $translation
* @param string $app='' default check all apps
* @param string $lang='' default check all langs
* @return string
*/
function get_message_id($translation,$app=null,$lang=null)
{
$like = $this->db->Type == 'pgsql' ? 'ILIKE' : 'LIKE';
$where = array('content '.$like.' '.$this->db->quote($translation)); // like to be case-insensitive
if ($app) $where['app_name'] = $app;
if ($lang) $where['lang'] = $lang;
$this->db->select($this->lang_table,'message_id',$where,__LINE__,__FILE__);
return $this->db->next_record() ? $this->db->f(0) : false;
}
}