TranslationConfigurationProvider.php

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<?php
namespace TYPO3\CMS\Backend\Configuration;

/*
 * This file is part of the TYPO3 CMS project.
 *
 * It is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License, either version 2
 * of the License, or any later version.
 *
 * For the full copyright and license information, please read the
 * LICENSE.txt file that was distributed with this source code.
 *
 * The TYPO3 project - inspiring people to share!
 */

use TYPO3\CMS\Backend\Utility\BackendUtility;
use TYPO3\CMS\Core\Database\DatabaseConnection;
use TYPO3\CMS\Core\Utility\ExtensionManagementUtility;
use TYPO3\CMS\Lang\LanguageService;

class TranslationConfigurationProvider
{
    protected function getDatabaseConnection()
    {
        return $GLOBALS['TYPO3_DB'];
    }

    protected function getLanguageService()
    {
        return $GLOBALS['LANG'];
    }

    public function getSystemLanguages($pageId = 0)
    {
        $modSharedTSconfig = BackendUtility::getModTSconfig($pageId, 'mod.SHARED');

        // default language and "all languages" are always present
        $languages = array(
            // 0: default language
            0 => array(
                'uid' => 0,
                'title' => $this->getDefaultLanguageLabel($modSharedTSconfig),
                'ISOcode' => 'DEF',
                'flagIcon' => $this->getDefaultLanguageFlag($modSharedTSconfig),
            ),
            // -1: all languages
            -1 => array(
                'uid' => -1,
                'title' => $this->getLanguageService()->getLL('multipleLanguages'),
                'ISOcode' => 'DEF',
                'flagIcon' => 'flags-multiple',
            ),
        );

        // add the additional languages from database records
        $languageRecords = $this->getDatabaseConnection()->exec_SELECTgetRows('*', 'sys_language', '');
        foreach ($languageRecords as $languageRecord) {
            $languages[$languageRecord['uid']] = $languageRecord;
            // @todo: this should probably resolve language_isocode too and throw a deprecation if not filled
            if ($languageRecord['static_lang_isocode'] && ExtensionManagementUtility::isLoaded('static_info_tables')) {
                $staticLangRow = BackendUtility::getRecord('static_languages', $languageRecord['static_lang_isocode'], 'lg_iso_2');
                if ($staticLangRow['lg_iso_2']) {
                    $languages[$languageRecord['uid']]['ISOcode'] = $staticLangRow['lg_iso_2'];
                }
            }
            if ($languageRecord['flag'] !== '') {
                $languages[$languageRecord['uid']]['flagIcon'] = 'flags-' . $languageRecord['flag'];
            }
        }
        return $languages;
    }

    public function translationInfo($table, $uid, $languageUid = 0, array $row = null, $selFieldList = '')
    {
        if (!$GLOBALS['TCA'][$table] || !$uid) {
            return 'No table "' . $table . '" or no UID value';
        }
        if ($row === null) {
            $row = BackendUtility::getRecordWSOL($table, $uid);
        }
        if (!is_array($row)) {
            return 'Record "' . $table . '_' . $uid . '" was not found';
        }
        $translationTable = $this->getTranslationTable($table);
        if ($translationTable === '') {
            return 'Translation is not supported for this table!';
        }
        if ($translationTable === $table && $row[$GLOBALS['TCA'][$table]['ctrl']['languageField']] > 0) {
            return 'Record "' . $table . '_' . $uid . '" seems to be a translation already (has a language value "' . $row[$GLOBALS['TCA'][$table]['ctrl']['languageField']] . '", relation to record "' . $row[$GLOBALS['TCA'][$table]['ctrl']['transOrigPointerField']] . '")';
        }
        if ($translationTable === $table && $row[$GLOBALS['TCA'][$table]['ctrl']['transOrigPointerField']] != 0) {
            return 'Record "' . $table . '_' . $uid . '" seems to be a translation already (has a relation to record "' . $row[$GLOBALS['TCA'][$table]['ctrl']['transOrigPointerField']] . '")';
        }
        // Look for translations of this record, index by language field value:
        if (!$selFieldList) {
            $selFieldList = 'uid,' . $GLOBALS['TCA'][$translationTable]['ctrl']['languageField'];
        }
        $where = $GLOBALS['TCA'][$translationTable]['ctrl']['transOrigPointerField'] . '=' . (int)$uid .
            ' AND pid=' . (int)($table === 'pages' ? $row['uid'] : $row['pid']) .
            ' AND ' . $GLOBALS['TCA'][$translationTable]['ctrl']['languageField'] . (! $languageUid ? '>0' : '=' . (int)$languageUid) .
            BackendUtility::deleteClause($translationTable) .
            BackendUtility::versioningPlaceholderClause($translationTable);
        $translationRecords = $this->getDatabaseConnection()->exec_SELECTgetRows($selFieldList, $translationTable, $where);
        $translations = array();
        $translationsErrors = array();
        foreach ($translationRecords as $translationRecord) {
            if (!isset($translations[$translationRecord[$GLOBALS['TCA'][$translationTable]['ctrl']['languageField']]])) {
                $translations[$translationRecord[$GLOBALS['TCA'][$translationTable]['ctrl']['languageField']]] = $translationRecord;
            } else {
                $translationsErrors[$translationRecord[$GLOBALS['TCA'][$translationTable]['ctrl']['languageField']]][] = $translationRecord;
            }
        }
        return array(
            'table' => $table,
            'uid' => $uid,
            'CType' => $row['CType'],
            'sys_language_uid' => $row[$GLOBALS['TCA'][$table]['ctrl']['languageField']],
            'translation_table' => $translationTable,
            'translations' => $translations,
            'excessive_translations' => $translationsErrors
        );
    }

    public function getTranslationTable($table)
    {
        return $this->isTranslationInOwnTable($table) ? $table : $this->foreignTranslationTable($table);
    }

    public function isTranslationInOwnTable($table)
    {
        return $GLOBALS['TCA'][$table]['ctrl']['languageField'] && $GLOBALS['TCA'][$table]['ctrl']['transOrigPointerField'] && !$GLOBALS['TCA'][$table]['ctrl']['transOrigPointerTable'];
    }

    public function foreignTranslationTable($table)
    {
        $translationTable = $GLOBALS['TCA'][$table]['ctrl']['transForeignTable'];
        if (
            !$translationTable ||
            !$GLOBALS['TCA'][$translationTable] ||
            !$GLOBALS['TCA'][$translationTable]['ctrl']['languageField'] ||
            !$GLOBALS['TCA'][$translationTable]['ctrl']['transOrigPointerField'] ||
            $GLOBALS['TCA'][$translationTable]['ctrl']['transOrigPointerTable'] !== $table
        ) {
            $translationTable = '';
        }
        return $translationTable;
    }

    protected function getDefaultLanguageFlag(array $modSharedTSconfig)
    {
        if (strlen($modSharedTSconfig['properties']['defaultLanguageFlag'])) {
            // fallback "old iconstyles"
            if (preg_match('/\\.gif$/', $modSharedTSconfig['properties']['defaultLanguageFlag'])) {
                $modSharedTSconfig['properties']['defaultLanguageFlag'] = str_replace('.gif', '', $modSharedTSconfig['properties']['defaultLanguageFlag']);
            }
            $defaultLanguageFlag = 'flags-' . $modSharedTSconfig['properties']['defaultLanguageFlag'];
        } else {
            $defaultLanguageFlag = 'empty-empty';
        }
        return $defaultLanguageFlag;
    }

    protected function getDefaultLanguageLabel(array $modSharedTSconfig)
    {
        if (strlen($modSharedTSconfig['properties']['defaultLanguageLabel'])) {
            $defaultLanguageLabel = $modSharedTSconfig['properties']['defaultLanguageLabel'] . ' (' . $this->getLanguageService()->sl('LLL:EXT:lang/locallang_mod_web_list.xlf:defaultLanguage') . ')';
        } else {
            $defaultLanguageLabel = $this->getLanguageService()->sl('LLL:EXT:lang/locallang_mod_web_list.xlf:defaultLanguage');
        }
        return $defaultLanguageLabel;
    }
}