[TASK] Support logger names with namespaces
[Packages/TYPO3.CMS.git] / typo3 / class.show_rechis.inc
index dd611c2..ee1543f 100644 (file)
@@ -1,881 +1,8 @@
 <?php
-/***************************************************************
-*  Copyright notice
-*
-*  (c) 1999-2009 Kasper Skårhøj (kasperYYYY@typo3.com)
-*  (c) 2006-2009 Sebastian Kurfürst (sebastian@garbage-group.de)
-*  All rights reserved
-*
-*  This script is part of the TYPO3 project. The TYPO3 project 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.
-*
-*  The GNU General Public License can be found at
-*  http://www.gnu.org/copyleft/gpl.html.
-*  A copy is found in the textfile GPL.txt and important notices to the license
-*  from the author is found in LICENSE.txt distributed with these scripts.
-*
-*
-*  This script 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.
-*
-*  This copyright notice MUST APPEAR in all copies of the script!
-***************************************************************/
-/**
- * Class for the record history display script (show_rechis.php)
- *
- * XHTML Compliant
- *
- * @author     Sebastian Kurfürst <sebastian@garbage-group.de>
+/*
+ * @deprecated since 6.0, the classname recordHistory and this file is obsolete
+ * and will be removed by 7.0. The class was renamed and is now located at:
+ * typo3/sysext/backend/Classes/History/RecordHistory.php
  */
-
-/**
- * Class for the record history display script (show_rechis.php)
- *
- * @author     Sebastian Kurfürst <sebastian@garbage-group.de>
- * @package TYPO3
- * @subpackage core
- */
-class recordHistory {
-               // External, static:
-       var $maxSteps = 20;             // Maximum number of sys_history steps to show.
-       var $showDiff = 1;              // display diff or not (0-no diff, 1-inline)
-       var $showSubElements = 1;               // on a pages table - show sub elements as well.
-       var $showInsertDelete = 1;              // show inserts and deletes as well
-
-               // Internal, GPvars
-       var $element;                   // Element reference, syntax [tablename]:[uid]
-       var $lastSyslogId;              // syslog ID which is not shown anymore
-       var $returnUrl;
-
-               // Internal
-       var $changeLog;
-       var $showMarked=FALSE;
-
-       /**
-        * Constructor for the class
-        *
-        * @return      void
-        */
-       function __construct() {
-                       // GPvars:
-               $this->element = t3lib_div::_GP('element');
-               $this->returnUrl = t3lib_div::sanitizeLocalUrl(t3lib_div::_GP('returnUrl'));
-               $this->lastSyslogId = t3lib_div::_GP('diff');
-               $this->rollbackFields = t3lib_div::_GP('rollbackFields');
-                       // resolve sh_uid if set
-               $this->resolveShUid();
-       }
-
-       /**
-        * Main function for the listing of history.
-        * It detects incoming variables like element reference, history element uid etc. and renders the correct screen.
-        *
-        * @return      HTML            content for the module
-        */
-       function main() {
-               $content = '';
-
-                       // single-click rollback
-               if (t3lib_div::_GP('revert') && t3lib_div::_GP('sumUp')) {
-                       $this->rollbackFields = t3lib_div::_GP('revert');
-                       $this->showInsertDelete = 0;
-                       $this->showSubElements = 0;
-
-                       $element = explode(':', $this->element);
-                       $res = $GLOBALS['TYPO3_DB']->exec_SELECTquery(
-                               '*',
-                               'sys_history',
-                               'tablename=' . $GLOBALS['TYPO3_DB']->fullQuoteStr($element[0], 'sys_history') . ' AND recuid=' . intval($element[1]),
-                               '',
-                               'uid DESC',
-                               '1'
-                       );
-                       $record = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($res);
-                       $this->lastSyslogId = $record['sys_log_uid'];
-
-                       $this->createChangeLog();
-                       $completeDiff = $this->createMultipleDiff();
-                       $this->performRollback($completeDiff);
-                       t3lib_utility_Http::redirect($this->returnUrl);
-               }
-
-                       // save snapshot
-               if (t3lib_div::_GP('highlight') && !t3lib_div::_GP('settings')) {
-                       $this->toggleHighlight(t3lib_div::_GP('highlight'));
-               }
-
-               $content .= $this->displaySettings();
-               if ($this->createChangeLog()) {
-                       if ($this->rollbackFields) {
-                               $completeDiff = $this->createMultipleDiff();
-                               $content .= $this->performRollback($completeDiff);
-                       }
-
-                       if ($this->lastSyslogId) {
-                               $completeDiff = $this->createMultipleDiff();
-                               $content .= $this->displayMultipleDiff($completeDiff);
-                       }
-
-                       if ($this->element) {
-                               $content .= $this->displayHistory();
-                       }
-               }
-               return $content;
-       }
-
-       /*******************************
-        *
-        * database actions
-        *
-        *******************************/
-
-       /**
-        * Toggles highlight state of record
-        *
-        * @param       integer         uid of sys_history entry
-        * @return      [type]          ...
-        */
-       function toggleHighlight($uid) {
-               $res = $GLOBALS['TYPO3_DB']->exec_SELECTquery('snapshot', 'sys_history', 'uid=' . intval($uid));
-               $tmp = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($res);
-               $GLOBALS['TYPO3_DB']->exec_UPDATEquery('sys_history', 'uid=' . intval($uid), array('snapshot' => !$tmp['snapshot']));
-       }
-
-       /**
-        * perform rollback
-        *
-        * @param       array           diff array to rollback
-        * @return      void
-        * @access private
-        */
-       function performRollback($diff) {
-               if (!$this->rollbackFields) {
-                       return 0;
-               }
-
-               $reloadPageFrame = 0;
-               $rollbackData = explode(':', $this->rollbackFields);
-
-                       // PROCESS INSERTS AND DELETES
-                       // rewrite inserts and deletes
-               $cmdmapArray = array();
-               if ($diff['insertsDeletes']) {
-
-                       switch (count($rollbackData)) {
-                               case 1: // all tables
-                                       $data = $diff['insertsDeletes'];
-                                       break;
-
-                               case 2: // one record
-                                       if ($diff['insertsDeletes'][$this->rollbackFields]) {
-                                               $data[$this->rollbackFields] = $diff['insertsDeletes'][$this->rollbackFields];
-                                       }
-                                       break;
-
-                               case 3: // one field in one record -- ignore!
-                                       break;
-                       }
-                       if ($data) {
-                               foreach ($data as $key => $action) {
-                                       $elParts = explode(':', $key);
-                                       if ($action == 1) {     // inserted records should be deleted
-                                               $cmdmapArray[$elParts[0]][$elParts[1]]['delete'] = 1;
-                                                       // when the record is deleted, the contents of the record do not need to be updated
-                                               unset($diff['oldData'][$key]);
-                                               unset($diff['newData'][$key]);
-                                       } elseif ($action == -1) {      // deleted records should be inserted again
-                                               $cmdmapArray[$elParts[0]][$elParts[1]]['undelete'] = 1;
-                                       }
-                               }
-                       }
-               }
-
-                       // Writes the data:
-               if ($cmdmapArray) {
-                       $tce = t3lib_div::makeInstance('t3lib_TCEmain');
-                       $tce->stripslashes_values = 0;
-                       $tce->debug = 0;
-                       $tce->dontProcessTransformations = 1;
-                       $tce->start(array(), $cmdmapArray);
-                       $tce->process_cmdmap();
-                       unset($tce);
-                       if (isset($cmdmapArray['pages'])) {
-                               $reloadPageFrame = 1;
-                       }
-               }
-
-                       // PROCESS CHANGES
-                       // create an array for process_datamap
-               $diff_modified = array();
-               foreach ($diff['oldData'] as $key => $value) {
-                       $splitKey = explode(':', $key);
-                       $diff_modified[$splitKey[0]][$splitKey[1]] = $value;
-               }
-               switch (count($rollbackData)) {
-                       case 1: // all tables
-                               $data = $diff_modified;
-                               break;
-                       case 2: // one record
-                               $data[$rollbackData[0]][$rollbackData[1]] = $diff_modified[$rollbackData[0]][$rollbackData[1]];
-                               break;
-                       case 3: // one field in one record
-                               $data[$rollbackData[0]][$rollbackData[1]][$rollbackData[2]] = $diff_modified[$rollbackData[0]][$rollbackData[1]][$rollbackData[2]];
-                               break;
-               }
-
-                       // Removing fields:
-               $data = $this->removeFilefields($rollbackData[0],$data);
-
-                       // Writes the data:
-               $tce = t3lib_div::makeInstance('t3lib_TCEmain');
-               $tce->stripslashes_values = 0;
-               $tce->debug = 0;
-               $tce->dontProcessTransformations = 1;
-               $tce->start($data, array());
-               $tce->process_datamap();
-               unset($tce);
-               if (isset($data['pages'])) {
-                       $reloadPageFrame = 1;
-               }
-
-                       // return to normal operation
-               $this->lastSyslogId = FALSE;
-               $this->rollbackFields = FALSE;
-               $this->createChangeLog();
-
-                       // reload page frame if necessary
-               if ($reloadPageFrame) {
-                       return '<script type="text/javascript">
-                       /*<![CDATA[*/
-                       if (top.content && top.content.nav_frame && top.content.nav_frame.refresh_nav) {
-                               top.content.nav_frame.refresh_nav();
-                       }
-                       /*]]>*/
-                       </script>';
-               }
-       }
-
-       /*******************************
-        *
-        * Display functions
-        *
-        *******************************/
-
-       /**
-        * Displays settings
-        *
-        * @return      string          HTML code to modify settings
-        */
-       function displaySettings() {
-                       // get current selection from UC, merge data, write it back to UC
-               $currentSelection = is_array($GLOBALS['BE_USER']->uc['moduleData']['history']) ? $GLOBALS['BE_USER']->uc['moduleData']['history'] : array('maxSteps' => '', 'showDiff' => 1, 'showSubElements' => 1, 'showInsertDelete' => 1);
-
-               $currentSelectionOverride = t3lib_div::_GP('settings');
-               if ($currentSelectionOverride) {
-                       $currentSelection = array_merge($currentSelection, $currentSelectionOverride);
-                       $GLOBALS['BE_USER']->uc['moduleData']['history'] = $currentSelection;
-                       $GLOBALS['BE_USER']->writeUC($GLOBALS['BE_USER']->uc);
-               }
-
-                       // display selector for number of history entries
-               $selector['maxSteps'] = array(
-                       10 => 10,
-                       20 => 20,
-                       50 => 50,
-                       100 => 100,
-                       '' => 'maxSteps_all',
-                       'marked' => 'maxSteps_marked'
-               );
-               $selector['showDiff'] = array(
-                       0 => 'showDiff_no',
-                       1 => 'showDiff_inline'
-               );
-               $selector['showSubElements'] = array(
-                       0 => 'no',
-                       1 => 'yes',
-               );
-               $selector['showInsertDelete'] = array(
-                       0 => 'no',
-                       1 => 'yes',
-               );
-
-                       // render selectors
-               $displayCode = '';
-               foreach ($selector as $key => $values) {
-                       $displayCode .= '<tr><td>' . $GLOBALS['LANG']->getLL($key, 1) . '</td>';
-                       $displayCode .= '<td><select name="settings[' . $key . ']" onChange="document.settings.submit()" style="width:100px">';
-                       foreach ($values as $singleKey => $singleVal) {
-                               $caption = $GLOBALS['LANG']->getLL($singleVal,1)?$GLOBALS['LANG']->getLL($singleVal,1):$singleVal;
-                               $displayCode .= '<option value="' . $singleKey . '"' . (($singleKey == $currentSelection[$key]) ? ' selected="selected"' : '').'> ' . $caption . '</option>';
-                       }
-                       $displayCode .= '</select></td></tr>';
-               }
-
-                       // set values correctly
-               if ($currentSelection['maxSteps'] != 'marked') {
-                       $this->maxSteps = $currentSelection['maxSteps'] ? intval($currentSelection['maxSteps']) : '';
-               } else {
-                       $this->showMarked = TRUE;
-                       $this->maxSteps = FALSE;
-               }
-               $this->showDiff = intval($currentSelection['showDiff']);
-               $this->showSubElements = intval($currentSelection['showSubElements']);
-               $this->showInsertDelete = intval($currentSelection['showInsertDelete']);
-
-               $content = '';
-                       // get link to page history if the element history is shown
-               $elParts = explode(':', $this->element);
-               if ($elParts[0] != 'pages') {
-                       $content .= '<strong>' . $GLOBALS['LANG']->getLL('elementHistory', 1) . '</strong><br />';
-                       $pid = t3lib_BEfunc::getRecordRaw($elParts[0],'uid='.intval($elParts[1]));
-                       $content .= $this->linkPage($GLOBALS['LANG']->getLL('elementHistory_link', 1), array('element' => 'pages:' . $pid['pid']));
-               }
-               $content .= '<form name="settings" action="' . t3lib_div::getIndpEnv('TYPO3_REQUEST_URL') . '" method="post"><table>' . $displayCode . '</table></form>';
-               return $GLOBALS['SOBE']->doc->section($GLOBALS['LANG']->getLL('settings', 1), $content, FALSE, TRUE, FALSE, FALSE);
-
-       }
-
-       /**
-        * Shows the full change log
-        *
-        * @return      string          HTML for list, wrapped in a table.
-        */
-       function displayHistory() {
-               $lines = array();
-
-                       // Initialize:
-               $lines[] = '<tr class="t3-row-header">
-                               <td> </td>
-                               <td>' . $GLOBALS['LANG']->getLL('time', 1) . '</td>
-                               <td>' . $GLOBALS['LANG']->getLL('age', 1) . '</td>
-                               <td>' . $GLOBALS['LANG']->getLL('user', 1) . '</td>
-                               <td>' . $GLOBALS['LANG']->getLL('tableUid', 1) . '</td>
-                               <td>' . $GLOBALS['LANG']->getLL('differences', 1) . '</td>
-                               <td>&nbsp;</td>
-                       </tr>';
-
-                       // get default page TSconfig expiration time
-               $elParts = explode(':', $this->element);
-               if ($elParts[0] != 'pages') {
-                       $tmp = t3lib_BEfunc::getRecordRaw($elParts[0], 'uid=' . intval($elParts[1]));
-                       $pid = $tmp['pid'];
-               } else {
-                       $pid = $elParts[1];
-               }
-               $tmpTsConfig = $GLOBALS['BE_USER']->getTSConfig('TCEMAIN',t3lib_BEfunc::getPagesTSconfig($pid));
-               $expirationTime = isset($tmpTsConfig['properties']['default.']['history.']['maxAgeDays']) ?
-                               $tmpTsConfig['properties']['default.']['history.']['maxAgeDays'] : 30;
-
-               $expirationTimestamp = $expirationTime ? ($GLOBALS['EXEC_TIME'] - 60 * 60 * 24 * $expirationTime) : 0;
-               $expirationWarning = 0;
-
-               $be_user_array = t3lib_BEfunc::getUserNames();
-
-                       // Traverse changelog array:
-               if (!$this->changeLog) {
-                       return 0;
-               }
-               $i = 0;
-               foreach ($this->changeLog as $sysLogUid => $entry) {
-                               // stop after maxSteps
-                       if ($i > $this->maxSteps && $this->maxSteps) {
-                               break;
-                       }
-
-                               // display inconsistency warning
-                       if ($entry['tstamp'] < $expirationTimestamp && !$expirationWarning) {
-                               $expirationWarning = 1;
-
-                               $lines[] = '
-                               <tr class="c-headLine">
-                                       <td colspan="7"><strong>' . $GLOBALS['LANG']->getLL('consistenceWarning', 1) . '</strong></td>
-                               </tr>';
-                       }
-
-                               // show only marked states
-                       if (!$entry['snapshot'] && $this->showMarked) {
-                               continue;
-                       }
-                       $i++;
-
-                               // get user names
-                       $userName = ($entry['user']?$be_user_array[$entry['user']]['username']:$GLOBALS['LANG']->getLL('externalChange', 1));
-
-                               // build up single line
-                       $singleLine = array();
-
-                               // diff link
-                       $image = t3lib_iconWorks::getSpriteIcon('actions-view-go-forward', array('title' => $GLOBALS['LANG']->getLL('sumUpChanges', TRUE)));
-                       $singleLine[] = '<span>' . $this->linkPage($image, array('diff' => $sysLogUid)) . '</span>'; // remove first link
-
-                       $singleLine[] = htmlspecialchars(t3lib_BEfunc::datetime($entry['tstamp']));     // add time
-                       $singleLine[] = htmlspecialchars(t3lib_BEfunc::calcAge($GLOBALS['EXEC_TIME'] - $entry['tstamp'], $GLOBALS['LANG']->sL('LLL:EXT:lang/locallang_core.php:labels.minutesHoursDaysYears')));        // add age
-                       $singleLine[] = htmlspecialchars($userName);    // add user name
-                       $singleLine[] = $this->linkPage($this->generateTitle($entry['tablename'], $entry['recuid']), array('element' => $entry['tablename'] . ':' . $entry['recuid']), '', $GLOBALS['LANG']->getLL('linkRecordHistory', 1));    // add record UID
-
-                               // show insert/delete/diff/changed field names
-                       if ($entry['action']) { // insert or delete of element
-                               $singleLine[] = '<strong>' . htmlspecialchars($GLOBALS['LANG']->getLL($entry['action'], 1)) . '</strong>';
-                       } else {
-                               if (!$this->showDiff)   {       // display field names instead of full diff
-                                                       // re-write field names with labels
-                                       $tmpFieldList = explode(',', $entry['fieldlist']);
-                                       foreach ($tmpFieldList as $key => $value) {
-                                               $tmp = str_replace(':', '', $GLOBALS['LANG']->sl(t3lib_BEfunc::getItemLabel($entry['tablename'], $value), 1));
-
-                                               if ($tmp)
-                                                       $tmpFieldList[$key] = $tmp;
-                                               else
-                                                       unset($tmpFieldList[$key]);     // remove fields if no label available
-                                       }
-                                       $singleLine[] = htmlspecialchars(implode(',', $tmpFieldList));
-                               } else {        // display diff
-                                       $diff = $this->renderDiff($entry,$entry['tablename']);
-                                       $singleLine[] = $diff;
-                               }
-                       }
-
-                               // show link to mark/unmark state
-                       if (!$entry['action']) {
-                               if ($entry['snapshot']) {
-                                       $image = '<img' . t3lib_iconWorks::skinImg('', 'gfx/unmarkstate.gif') . ' align="top" alt="' . $GLOBALS['LANG']->getLL('unmarkState', 1) . '" title="' . $GLOBALS['LANG']->getLL('unmarkState', 1) . '" />';
-                               } else {
-                                       $image = '<img' . t3lib_iconWorks::skinImg('', 'gfx/markstate.gif') . ' align="top" alt="' . $GLOBALS['LANG']->getLL('markState', 1) . '" title="' . $GLOBALS['LANG']->getLL('markState', 1) . '" />';
-                               }
-                               $singleLine[] = $this->linkPage($image,array('highlight' => $entry['uid']));
-                       } else {
-                               $singleLine[] = '';
-                       }
-
-                               // put line together
-                       $lines[] = '
-                               <tr class="db_list_normal">
-                                       <td>' . implode('</td><td>', $singleLine) . '</td>
-                               </tr>';
-               }
-
-                       // Finally, put it all together:
-               $theCode = '
-                       <!--
-                               History (list):
-                       -->
-                       <table class="typo3-dblist" border="0" cellpadding="0" cellspacing="0" id="typo3-history">
-                               ' . implode('', $lines) . '
-                       </table>';
-
-               if ($this->lastSyslogId) {
-                       $theCode .= '<br />' .  $this->linkPage(t3lib_iconWorks::getSpriteIcon('actions-move-to-bottom', array('title' => $GLOBALS['LANG']->getLL('fullView', TRUE))), array('diff' => ''));
-               }
-
-                       // Add message about the difference view.
-               $flashMessage = t3lib_div::makeInstance(
-                       't3lib_FlashMessage',
-                       $GLOBALS['LANG']->getLL('differenceMsg'),
-                       '',
-                       t3lib_FlashMessage::INFO
-               );
-
-               $theCode .= '<br /><br />' . $flashMessage->render() . '<br />';
-
-                       // Add the whole content as a module section:
-               return $GLOBALS['SOBE']->doc->section($GLOBALS['LANG']->getLL('changes'), $theCode, FALSE, TRUE);
-       }
-
-       /**
-        * Displays a diff over multiple fields including rollback links
-        *
-        * @param       array           difference array
-        * @return      string          HTML output
-        */
-       function displayMultipleDiff($diff) {
-               $content = '';
-
-                       // get all array keys needed
-               $arrayKeys = array_merge(array_keys($diff['newData']),array_keys($diff['insertsDeletes']), array_keys($diff['oldData']));
-               $arrayKeys = array_unique($arrayKeys);
-
-               if ($arrayKeys) {
-                       foreach ($arrayKeys as $key) {
-                               $record = '';
-                               $elParts = explode(':', $key);
-                                       // turn around diff because it should be a "rollback preview"
-                               if ($diff['insertsDeletes'][$key] == 1) {       // insert
-                                       $record .= '<strong>' . $GLOBALS['LANG']->getLL('delete', 1) . '</strong>';
-                                       $record .= '<br />';
-                               } elseif ($diff['insertsDeletes'][$key] == -1) {
-                                       $record .= '<strong>' . $GLOBALS['LANG']->getLL('insert', 1) . '</strong>';
-                                       $record .= '<br />';
-                               }
-                                       // build up temporary diff array
-                                       // turn around diff because it should be a "rollback preview"
-                               if ($diff['newData'][$key]) {
-                                       $tmpArr['newRecord'] = $diff['oldData'][$key];
-                                       $tmpArr['oldRecord'] = $diff['newData'][$key];
-                                       $record .= $this->renderDiff($tmpArr, $elParts[0], $elParts[1]);
-                               }
-
-                               $elParts = explode(':', $key);
-                               $titleLine = $this->createRollbackLink($key, $GLOBALS['LANG']->getLL('revertRecord', 1), 1) . $this->generateTitle($elParts[0], $elParts[1]);
-                               $record = '<div style="margin-left:10px;padding-left:5px;border-left:1px solid black;border-bottom:1px dotted black;padding-bottom:2px;">' . $record . '</div>';
-
-                               $content .= $GLOBALS['SOBE']->doc->section($titleLine, $record, FALSE, FALSE, FALSE, TRUE);
-                       }
-                       $content = $this->createRollbackLink('ALL', $GLOBALS['LANG']->getLL('revertAll', 1), 0)  . '<div style="margin-left:10px;padding-left:5px;border-left:1px solid black;border-bottom:1px dotted black;padding-bottom:2px;">' . $content . '</div>';
-               } else {
-                       $content = $GLOBALS['LANG']->getLL('noDifferences', 1);
-               }
-               return $GLOBALS['SOBE']->doc->section($GLOBALS['LANG']->getLL('mergedDifferences', 1), $content, FALSE, TRUE, FALSE, TRUE);
-       }
-
-       /**
-        * Renders HTML table-rows with the comparison information of an sys_history entry record
-        *
-        * @param       array           sys_history entry record.
-        * @param       string          The table name
-        * @param       integer         If set to UID of record, display rollback links
-        * @return      string          HTML table
-        * @access private
-        */
-       function renderDiff($entry, $table, $rollbackUid = 0) {
-               $lines = array();
-               if (is_array($entry['newRecord'])) {
-
-                       $t3lib_diff_Obj = t3lib_div::makeInstance('t3lib_diff');
-
-                       $fieldsToDisplay = array_keys($entry['newRecord']);
-                       foreach ($fieldsToDisplay as $fN) {
-                               t3lib_div::loadTCA($table);
-                               if (is_array($GLOBALS['TCA'][$table]['columns'][$fN]) && $GLOBALS['TCA'][$table]['columns'][$fN]['config']['type'] != 'passthrough') {
-
-                                               // Create diff-result:
-                                       $diffres = $t3lib_diff_Obj->makeDiffDisplay(
-                                               t3lib_BEfunc::getProcessedValue($table, $fN, $entry['oldRecord'][$fN], 0, 1),
-                                               t3lib_BEfunc::getProcessedValue($table, $fN, $entry['newRecord'][$fN], 0, 1)
-                                       );
-                                       $lines[] = '
-                                               <tr class="bgColor4">
-                                               ' . ($rollbackUid ? '<td style="width:33px">' . $this->createRollbackLink($table . ':' . $rollbackUid . ':' . $fN, $GLOBALS['LANG']->getLL('revertField', 1), 2) . '</td>' : '') . '
-                                                       <td style="width:90px"><em>' . $GLOBALS['LANG']->sl(t3lib_BEfunc::getItemLabel($table, $fN), 1) . '</em></td>
-                                                       <td style="width:300px">' . nl2br($diffres) . '</td>
-                                               </tr>';
-                               }
-                       }
-               }
-               if ($lines) {
-                       $content = '<table border="0" cellpadding="2" cellspacing="2" id="typo3-history-item">
-                                       ' . implode('', $lines) . '
-                               </table>';
-                       return $content;
-               }
-               return NULL;    // error fallback
-       }
-
-       /*******************************
-        *
-        * build up history
-        *
-        *******************************/
-
-       /**
-        * Creates a diff between the current version of the records and the selected version
-        *
-        * @return array Diff for many elements, 0 if no changelog is found
-        */
-       function createMultipleDiff() {
-               $insertsDeletes = array();
-               $newArr = array();
-               $differences = array();
-               if (!$this->changeLog) {
-                       return 0;
-               }
-
-                       // traverse changelog array
-               foreach ($this->changeLog as $key => $value) {
-                       $field = $value['tablename'] . ':' . $value['recuid'];
-
-                               // inserts / deletes
-                       if ($value['action']) {
-                               if (!$insertsDeletes[$field]) {
-                                       $insertsDeletes[$field] = 0;
-                               }
-                               if ($value['action'] == 'insert') {
-                                       $insertsDeletes[$field]++;
-                               } else {
-                                       $insertsDeletes[$field]--;
-                               }
-                                       // unset not needed fields
-                               if ($insertsDeletes[$field] == 0) {
-                                       unset($insertsDeletes[$field]);
-                               }
-                       } else {
-                                       // update fields
-                               if (!isset($newArr[$field])) {  // first row of field
-                                       $newArr[$field] = $value['newRecord'];
-                                       $differences[$field] = $value['oldRecord'];
-                               } else { // standard
-                                       $differences[$field] = array_merge($differences[$field], $value['oldRecord']);
-                               }
-                       }
-               }
-
-                       // remove entries where there were no changes effectively
-               foreach ($newArr as $record => $value) {
-                       foreach ($value as $key => $innerVal) {
-                               if ($newArr[$record][$key] == $differences[$record][$key]) {
-                                       unset($newArr[$record][$key]);
-                                       unset($differences[$record][$key]);
-                               }
-                       }
-                       if (empty($newArr[$record]) && empty($differences[$record])) {
-                               unset($newArr[$record]);
-                               unset($differences[$record]);
-                       }
-               }
-               return array(
-                       'newData' => $newArr,
-                       'oldData' => $differences,
-                       'insertsDeletes' => $insertsDeletes
-               );
-       }
-
-       /**
-        * Creates change log including sub-elements, filling $this->changeLog
-        *
-        * @return      [type]          ...
-        */
-       function createChangeLog() {
-               $elParts = explode(':', $this->element);
-               $changeLog = $this->getHistoryData($elParts[0], $elParts[1]);
-
-                       // get history of tables of this page and merge it into changelog
-               if ($elParts[0] == 'pages' && $this->showSubElements) {
-                       foreach ($GLOBALS['TCA'] as $tablename => $value) {
-                               $res = $GLOBALS['TYPO3_DB']->exec_SELECTquery('uid', $tablename, 'pid=' . intval($elParts[1])); // check if there are records on the page
-                               while ($row = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($res)) {
-                                       if ($newChangeLog = $this->getHistoryData($tablename, $row['uid']))     {       // if there is history data available, merge it into changelog
-                                               foreach ($newChangeLog as $key => $value) {
-                                                       $changeLog[$key] = $value;
-                                               }
-                                       }
-                               }
-                       }
-               }
-               if (!$changeLog) {
-                       return 0;
-               }
-
-               krsort($changeLog);
-               $this->changeLog = $changeLog;
-
-               return 1;
-       }
-
-       /**
-        * Gets history and delete/insert data from sys_log and sys_history
-        *
-        * @param       string          DB table name
-        * @param       integer         UID of record
-        * @return      array           history data of the record
-        */
-       function getHistoryData($table,$uid) {
-               $uid = $this->resolveElement($table, $uid);
-
-                       // If table is found in $GLOBALS['TCA']:
-               if ($GLOBALS['TCA'][$table]) {
-
-                               // Selecting the $this->maxSteps most recent states:
-                       $res = $GLOBALS['TYPO3_DB']->exec_SELECTquery(
-                                               'sys_history.*, sys_log.userid',
-                                               'sys_history, sys_log',
-                                               'sys_history.sys_log_uid = sys_log.uid
-                                                       AND sys_history.tablename = ' . $GLOBALS['TYPO3_DB']->fullQuoteStr($table, 'sys_history') . '
-                                                       AND sys_history.recuid = '.intval($uid),
-                                               '',
-                                               'sys_log.uid DESC',
-                                               $this->maxSteps
-                                       );
-
-                               // Traversing the result, building up changesArray / changeLog:
-                       $changeLog = array();
-
-                       while ($row = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($res)) {
-                                       // only history until a certain syslog ID needed
-                               if ($row['sys_log_uid'] < $this->lastSyslogId && $this->lastSyslogId) {
-                                       continue;
-                               }
-                               $hisDat = unserialize($row['history_data']);
-
-                               if (is_array($hisDat['newRecord']) && is_array($hisDat['oldRecord'])) {
-
-                                               // Add hisDat to the changeLog
-                                       $hisDat['uid'] = $row['uid'];
-                                       $hisDat['tstamp'] = $row['tstamp'];
-                                       $hisDat['user'] = $row['userid'];
-                                       $hisDat['snapshot'] = $row['snapshot'];
-                                       $hisDat['fieldlist'] = $row['fieldlist'];
-                                       $hisDat['tablename'] = $row['tablename'];
-                                       $hisDat['recuid'] = $row['recuid'];
-
-                                       $changeLog[$row['sys_log_uid']] = $hisDat;
-                               } else {
-                                       debug('ERROR: [getHistoryData]');
-                                       return 0;       // error fallback
-                               }
-                       }
-                               // SELECT INSERTS/DELETES
-                       if ($this->showInsertDelete) {
-                                       // Select most recent inserts and deletes // WITHOUT snapshots
-                               $res = $GLOBALS['TYPO3_DB']->exec_SELECTquery(
-                                               'uid, userid, action, tstamp',
-                                               'sys_log',
-                                               'type = 1
-                                                       AND (action=1 OR action=3)
-                                                       AND tablename = ' . $GLOBALS['TYPO3_DB']->fullQuoteStr($table, 'sys_log') . '
-                                                       AND recuid = ' . intval($uid),
-                                               '',
-                                               'uid DESC',
-                                               $this->maxSteps
-                                       );
-                               while ($row = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($res)) {
-
-                                       if ($row['uid'] < $this->lastSyslogId && $this->lastSyslogId) {
-                                               continue;
-                                       }
-                                       $hisDat = array();
-
-                                       switch ($row['action']) {
-                                               case 1: // Insert
-                                                       $hisDat['action'] = 'insert';
-                                                       break;
-                                               case 3: // Delete
-                                                       $hisDat['action'] = 'delete';
-                                                       break;
-                                       }
-                                       $hisDat['tstamp'] = $row['tstamp'];
-                                       $hisDat['user'] = $row['userid'];
-                                       $hisDat['tablename'] = $table;
-                                       $hisDat['recuid'] = $uid;
-                                       $changeLog[$row['uid']] = $hisDat;
-                               }
-                       }
-                       return $changeLog;
-               }
-               return 0;       // error fallback
-       }
-
-
-       /*******************************
-        *
-        * Various helper functions
-        *
-        *******************************/
-
-       /**
-        * generates the title and puts the record title behind
-        *
-        * @param       [type]          $table: ...
-        * @param       [type]          $uid: ...
-        * @return      [type]          ...
-        */
-       function generateTitle($table, $uid) {
-               $out = $table . ':' . $uid;
-               if ($labelField = $GLOBALS['TCA'][$table]['ctrl']['label']) {
-                       $record = t3lib_BEfunc::getRecordRaw($table, 'uid=' . intval($uid));
-                       $out .= ' (' . t3lib_BEfunc::getRecordTitle($table, $record, TRUE) . ')';
-               }
-               return $out;
-       }
-       /**
-        * creates a link for the rollback
-        *
-        * @param       sting           parameter which is set to rollbackFields
-        * @param       string          optional, alternative label and title tag of image
-        * @param       integer         optional, type of rollback: 0 - ALL; 1 - element; 2 - field
-        * @return      string          HTML output
-        */
-       function createRollbackLink($key, $alt = '', $type = 0) {
-               return $this->linkPage('<img ' . t3lib_iconWorks::skinImg('', 'gfx/revert_' . $type . '.gif', 'width="33" height="33"') . ' alt="' . $alt . '" title="' . $alt . '" align="middle" />', array('rollbackFields' => $key));
-       }
-
-       /**
-        * Creates a link to the same page.
-        *
-        * @param       string          String to wrap in <a> tags (must be htmlspecialchars()'ed prior to calling function)
-        * @param       array           Array of key/value pairs to override the default values with.
-        * @param       string          Possible anchor value.
-        * @param       string          Possible title.
-        * @return      string          Link.
-        * @access private
-        */
-       function linkPage($str, $inparams=array(), $anchor = '', $title = '') {
-
-                       // Setting default values based on GET parameters:
-               $params['element'] = $this->element;
-               $params['returnUrl'] = $this->returnUrl;
-               $params['diff'] = $this->lastSyslogId;
-                       // Mergin overriding values:
-               $params = array_merge($params, $inparams);
-
-                       // Make the link:
-               $link = 'show_rechis.php?' . t3lib_div::implodeArrayForUrl('', $params) . ($anchor ? '#' . $anchor : '');
-               return '<a href="' . htmlspecialchars($link) . '"' . ($title ? ' title="' . $title . '"' : '') . '>' . $str . '</a>';
-       }
-
-       /**
-        * Will traverse the field names in $dataArray and look in $GLOBALS['TCA'] if the fields are of types which cannot be handled by the sys_history (that is currently group types with internal_type set to "file")
-        *
-        * @param       string          Table name
-        * @param       array           The data array
-        * @return      array           The modified data array
-        * @access private
-        */
-       function removeFilefields($table,$dataArray) {
-               if ($GLOBALS['TCA'][$table]) {
-                       t3lib_div::loadTCA($table);
-
-                       foreach($GLOBALS['TCA'][$table]['columns'] as $field => $config) {
-                               if ($config['config']['type']=='group' && $config['config']['internal_type'] == 'file') {
-                                       unset($dataArray[$field]);
-                               }
-                       }
-               }
-               return $dataArray;
-       }
-
-       /**
-        * Convert input element reference to workspace version if any.
-        *
-        * @param       string          table of input element
-        * @param       integer         UID of record
-        * @return      integer         converted UID of record
-        */
-       function resolveElement($table, $uid) {
-               if (isset($GLOBALS['TCA'][$table])) {
-                       if ($workspaceVersion = t3lib_BEfunc::getWorkspaceVersionOfRecord($GLOBALS['BE_USER']->workspace, $table, $uid, 'uid')) {
-                               $uid = $workspaceVersion['uid'];
-                       }
-               }
-               return $uid;
-       }
-
-       /**
-        * resolve sh_uid (used from log)
-        *
-        * @return      [type]          ...
-        */
-       function resolveShUid() {
-               if (t3lib_div::_GP('sh_uid')) {
-                       $sh_uid = t3lib_div::_GP('sh_uid');
-                       $res = $GLOBALS['TYPO3_DB']->exec_SELECTquery('*', 'sys_history', 'uid=' . intval($sh_uid));
-                       $record = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($res);
-                       $this->element = $record['tablename'] . ':' . $record['recuid'];
-                       $this->lastSyslogId = $record['sys_log_uid'] - 1;
-               }
-       }
-}
+require_once \TYPO3\CMS\Core\Extension\ExtensionManager::extPath('backend') . 'Classes/History/RecordHistory.php';
 ?>
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