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<?php
/**
* Joom!Fish - Multi Lingual extention and translation manager for Joomla!
* Copyright (C) 2003 - 2012, Think Network GmbH, Munich
*
* All rights reserved. The Joom!Fish project is a set of extentions for
* the content management system Joomla!. It enables Joomla!
* to manage multi lingual sites especially in all dynamic information
* which are stored in the database.
*
* 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; either version 2
* of the License, or (at your option) any later version.
*
* 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.
*
* The "GNU General Public License" (GPL) is available at
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* -----------------------------------------------------------------------------
* $Id: joomfish.class.php 1592 2012-01-20 12:51:08Z akede $
*
*/
/**
* @package joomfish
* @subpackage frontend.includes
* @copyright 2003 - 2012, Think Network GmbH, Munich
* @license http://www.gnu.org/copyleft/gpl.html GNU General Public License
* @version $Revision: 1592 $
* @author Alex Kempkens <Alex@JoomFish.net>
*/
// ensure this file is being included by a parent file
defined( '_JEXEC' ) or die( 'Restricted access' );
/**
* The joom fish change the text information in the supported
* objects after they have been loaded. The idea is to create a
* flexible environment which can add the multi language support at
* any time.</p>
*
* The basic concept behind the joom fish is to map an existing content
* with all his general information to a different translation of it's
* text content. There is no additional copy of the information like the
* author or publishing flags, only a copy of the text fields.
*
* @author A. Kempkens
*/
class JoomFish {
/**
* Translates a list based on cached values
* @param array $rows
* @param JFLanguage $language
* @param array $tableArray
*/
public function translateListCached ($rows, $language , $tableArray) {
JoomFish::translateList($rows, $language , $tableArray);
return $rows;
}
/**
* Translates a list of items
* @param array $rows
* @param JFLanguage $language
* @param array $tableArray
*/
public function translateList( &$rows, $language , $tableArray) {
if (!isset($rows) || !is_array($rows)) return $rows;
$jfManager = JoomFishManager::getInstance();
$registry = JFactory::getConfig();
$defaultLang = $registry->getValue("config.defaultlang");
$db = JFactory::getDBO();
$querySQL = $db->_sql;
// do not try to translate if I have no fields!!!
if (!isset($tableArray) || count($tableArray)==0) {
//echo "$tableArray $querySQL<br>";
return;
}
// If I write content in non-default language then this skips the translation!
//if($language == $defaultLang) return $rows;
$rowsLanguage = $language;
if (count($rows)>0){
foreach ($tableArray["fieldTablePairs"] as $key=>$value){
$reftable = $tableArray["fieldTablePairs"][$key];
$alias = $tableArray["tableAliases"][$reftable];
// If there is not translated content for this table then skip it!
if (!$db->translatedContentAvailable($reftable)) continue;
// get primary key for tablename
$idkey = $jfManager->getPrimaryKey( trim($reftable) );
// I actually need to check the primary key against the alias list!
for ($i=0;$i<$tableArray["fieldCount"];$i++){
if (!array_key_exists($i,$tableArray["fieldTableAliasData"])) continue;
// look for fields from the correct table with the correct name
if (($tableArray["fieldTableAliasData"][$i]["tableName"]==$reftable) &&
($tableArray["fieldTableAliasData"][$i]["fieldName"]==$idkey)
&& ($tableArray["fieldTableAliasData"][$i]["tableNameAlias"]==$alias)){
$idkey=$tableArray["fieldTableAliasData"][$i]["fieldNameAlias"];
break;
}
}
// NASTY KLUDGE TO DEAL WITH SQL CONSTRUCTION IN contact.php, weblinks.php where multiple tables to be translated all use "id" which gets dropped! etc.
if ($reftable=='categories' && isset($content->catid) && $content->catid>0) {
$idkey = "catid";
}
if ($reftable=='sections' && count($rows)>0 && isset($content->sectionid) && $content->sectionid>0) {
$idkey = "sectionid";
}
$idstring = "";
$idlist = array(); // temp variable to make sure all ids in idstring are unique (for neatness more than performance)
foreach( array_keys( $rows) as $key ) {
$content = $rows[$key];
if (isset($content->$idkey) && !in_array($content->$idkey,$idlist)) {
//print ($idkey ." ".$content->$idkey." list<br>");
$idstring .= (strlen( $idstring)>0?",":""). $content->$idkey;
$idlist[] = $content->$idkey;
}
}
if (strlen( $idstring)==0) continue;
JoomFish::translateListWithIDs( $rows, $idstring, $reftable, $language ,$idkey, $tableArray, $querySQL);
}
}
}
/**
* Function to translate a section object
* @param array $rows
* @param array $ids
* @param string $reference_table
* @param JFLanguage $language
* @param string $refTablePrimaryKey
* @param array $tableArray
* @param string $querySQL
* @param boolean $allowfallback
*/
public function translateListWithIDs( &$rows, $ids, $reference_table, $language, $refTablePrimaryKey="id", & $tableArray, $querySQL, $allowfallback=true )
{
//print " translateListWithIDs for ids=$ids refTablePrimaryKey=$refTablePrimaryKey<br>" ;
$config = JFactory::getConfig();
$debug = $config->get("dbprefix");
$registry = JFactory::getConfig();
$defaultLang = $registry->getValue("config.defaultlang");
$language = (isset($language) && $language!='') ? $language : $defaultLang;
$db = JFactory::getDBO();
// setup Joomfish pluginds
$dispatcher = JDispatcher::getInstance();
JPluginHelper::importPlugin('joomfish');
if ($reference_table == "jf_content" ) {
return; // I can't translate myself ;-)
}
$results = $dispatcher->trigger('onBeforeTranslation', array (&$rows, &$ids, $reference_table, $language, $refTablePrimaryKey, & $tableArray, $querySQL, $allowfallback));
// if onBeforeTranslation has cleaned out the list then just return at this point
if (strlen($ids)==0) return ;
// find reference table alias
$reftableAlias = $reference_table;
for ($i=0;$i<$tableArray["fieldCount"];$i++){
if (!array_key_exists($i,$tableArray["fieldTableAliasData"])) continue;
if ($tableArray["fieldTableAliasData"][$i]["tableName"]==$reference_table &&
$tableArray["fieldTableAliasData"][$i]["fieldNameAlias"]==$refTablePrimaryKey ){
$reftableAlias = $tableArray["fieldTableAliasData"][$i]["tableNameAlias"];
break;
}
}
// NASTY KLUDGE TO DEAL WITH SQL CONSTRUCTION IN contact.php, weblinks.php where multiple tables to be translated all use "id" which gets dropped! etc.
$currentRow = current($rows);
// must not check on catid>0 since this would be uncategorised items
if ($reference_table=='categories' && count($rows)>0 && isset($currentRow->catid) ) {
$reftableAlias = $tableArray["tableAliases"]["categories"];
}
if ($reference_table=='sections' && count($rows)>0 && isset($currentRow->sectionid)) {
$reftableAlias = $tableArray["tableAliases"]["sections"];
}
//print " translateListWithIDs( ".count($rows). ", ids=$ids, reftab=$reference_table, $language, primkey = $refTablePrimaryKey )<br>";
if ($debug) {
echo "<p><strong>JoomFish debug (new):</strong><br>"
. "reference_table=$reference_table<br>"
. "$refTablePrimaryKey IN($ids)<br>"
. "language=$language<br>"
.(count($rows)>0? "class=" .get_class(current($rows)):"")
. "</p>";
}
static $languages;
if (!isset($languages)){
$jfm = JoomFishManager::getInstance();
$languages = $jfm->getLanguagesIndexedByCode();
}
// process fallback language
$fallbacklanguage = false;
$fallbackrows=array();
$idarray = explode(",",$ids);
$fallbackids=array();
$allowfallback=false;
if (isset($languages[$language]) && $languages[$language]->fallback_code!="") {
$fallbacklanguage = $languages[$language]->fallback_code;
if (!array_key_exists($fallbacklanguage, $languages)){
$allowfallback=false;
}
}
if (!$fallbacklanguage) {
$allowfallback=false;
}
if (isset($ids) && $reference_table!='') {
$user = JFactory::getUser();
$published = ($user->gid<21)?"\n AND jf_content.published=1":"";
//$published = "\n AND jf_content.published=1";
$sql = "SELECT jf_content.reference_field, jf_content.value, jf_content.reference_id, jf_content.original_value "
. "\nFROM #__jf_content AS jf_content"
. "\nWHERE jf_content.language_id=".$languages[$language]->lang_id
. $published
. "\n AND jf_content.reference_id IN($ids)"
. "\n AND jf_content.reference_table='$reference_table'"
;
$db->setQuery( $sql );
$translations = $db->loadObjectList('',false);
if (count($translations)>0){
$fieldmap = null;
foreach( array_keys( $rows) as $key ) {
$row_to_translate = $rows[$key];
$rowTranslationExists=false;
//print_r ($row_to_translate); print"<br>";
if( isset( $row_to_translate->$refTablePrimaryKey ) ) {
foreach ($translations as $row){
if ($row->reference_id!=$row_to_translate->$refTablePrimaryKey) continue;
// TODO - consider building array for refFields. Some queries may have multiple aliases e.g. SELECT a.*, a.field as fieldalias
$refField = $row->reference_field;
// adjust refField for aliases (make sure the field is from the same table!).
// I could reduce the calculation by building an array of translation reference fields against their mapping number
// but this refinement can wait!
$fieldmatch=false; // This is used to confirm the field is from the correct table
for ($i=0;$i<$tableArray["fieldCount"];$i++){
if (!array_key_exists($i,$tableArray["fieldTableAliasData"])) continue;
// look for fields from the correct table with the correct name
if ($tableArray["fieldTableAliasData"][$i]["tableName"]==$reference_table &&
$tableArray["fieldTableAliasData"][$i]["fieldName"]==$refField &&
$tableArray["fieldTableAliasData"][$i]["tableNameAlias"] == $reftableAlias){
$refField=$tableArray["fieldTableAliasData"][$i]["fieldNameAlias"];
$fieldmatch=true;
break;
}
}
$fieldIndex = $i;
if ($fieldmatch && isset( $row->reference_id) && $row->reference_id==$row_to_translate->$refTablePrimaryKey && $fieldIndex<=$tableArray["fieldCount"]){
if (is_subclass_of($row_to_translate, 'mosDBTable')) {
$row_to_translate->set($row->reference_field, $row->value);
} else {
$row_to_translate->$refField = $row->value;
}
$rowTranslationExists=true;
//print_r( $row_to_translate);
}
}
if (!$rowTranslationExists){
if ($allowfallback && isset($rows[$key]->$refTablePrimaryKey)){
$fallbackrows[$key] = $rows[$key];
$fallbackids[$key] = $rows[$key]->$refTablePrimaryKey;
}
else {
$results = $dispatcher->trigger('onMissingTranslation', array (&$row_to_translate, $language,$reference_table, $tableArray, $querySQL));
//JoomFish::processMissingTranslation($row_to_translate, $language,$reference_table);
}
}
}
}
}
else {
foreach( array_keys( $rows ) as $key ) {
if ($allowfallback && isset($rows[$key]->$refTablePrimaryKey)){
$fallbackrows[$key] = $rows[$key];
$fallbackids[$key] = $rows[$key]->$refTablePrimaryKey;
}
else {
$results = $dispatcher->trigger('onMissingTranslation', array (&$rows[$key], $language,$reference_table, $tableArray, $querySQL));
//JoomFish::processMissingTranslation($rows[$key], $language,$reference_table);
}
}
}
if ($allowfallback && count($fallbackrows)>0 ){
$fallbackids = implode($fallbackids,",");
JoomFish::translateListWithIDs( $fallbackrows, $fallbackids, $reference_table, $fallbacklanguage, $refTablePrimaryKey, $tableArray,$querySQL, false);
}
$dispatcher->trigger('onAfterTranslation', array (&$rows, $ids, $reference_table, $language, $refTablePrimaryKey, $tableArray, $querySQL, $allowfallback));
}
}
/**
* Cached extraction of content element field information
* this cached version is shared between pages and hence makes a big improvement to load times
* for newly visited pages in a cached scenario
*
* @param string $reference_table
* @return value
*/
public function contentElementFields($reference_table){
static $info;
if (!isset($info)){
$info = array();
}
if (!isset($info[$reference_table])){
$cacheDir = JPATH_CACHE;
$cacheFile = $cacheDir."/".$reference_table."_cefields.cache";
if (file_exists($cacheFile)){
$cacheFileContent = file_get_contents($cacheFile);
$info[$reference_table] = unserialize($cacheFileContent);
}
else {
$jfm = JoomFishManager::getInstance();
$contentElement = $jfm->getContentElement( $reference_table );
// The language is not relevant for this function so just use the current language
$registry = JFactory::getConfig();
$lang = $registry->getValue("config.jflang");
include_once( JPATH_ADMINISTRATOR.DS."components".DS."com_joomfish".'/models/ContentObject.php');
$contentObject = new ContentObject( $jfm->getLanguageID($lang), $contentElement );
$textFields = $contentObject->getTextFields();
$info[$reference_table]["textFields"] = $textFields ;
$info[$reference_table]["fieldTypes"] = array();
if( $textFields !== null ) {
$defaultSet = false;
foreach ($textFields as $field) {
$info[$reference_table]["fieldTypes"][$field] = $contentObject->getFieldType($field);
}
}
$cacheFileContent = serialize($info[$reference_table]);
$handle = @fopen($cacheFile,"w");
if ($handle){
fwrite($handle,$cacheFileContent);
fclose($handle);
}
}
}
return $info[$reference_table];
}
/**
* Version information of the component
*
*/
public function version() {
return JoomFishManager :: getVersion();
}
}