]> scripts.mit.edu Git - autoinstallsdev/mediawiki.git/blobdiff - includes/specials/SpecialPreferences.php
MediaWiki 1.16.0
[autoinstallsdev/mediawiki.git] / includes / specials / SpecialPreferences.php
index 49c4f4e042051a8908bd7a90aa23ef0d9091decd..4c8bbb09cd461eac7f65ed09f0fc737aae6eba2e 100644 (file)
 <?php
-/**
- * Hold things related to displaying and saving user preferences.
- * @file
- * @ingroup SpecialPage
- */
 
-/**
- * Entry point that create the "Preferences" object
- */
-function wfSpecialPreferences() {
-       global $wgRequest;
-
-       $form = new PreferencesForm( $wgRequest );
-       $form->execute();
-}
-
-/**
- * Preferences form handling
- * This object will show the preferences form and can save it as well.
- * @ingroup SpecialPage
- */
-class PreferencesForm {
-       var $mQuickbar, $mStubs;
-       var $mRows, $mCols, $mSkin, $mMath, $mDate, $mUserEmail, $mEmailFlag, $mNick;
-       var $mUserLanguage, $mUserVariant;
-       var $mSearch, $mRecent, $mRecentDays, $mTimeZone, $mHourDiff, $mSearchLines, $mSearchChars, $mAction;
-       var $mReset, $mPosted, $mToggles, $mSearchNs, $mRealName, $mImageSize;
-       var $mUnderline, $mWatchlistEdits, $mGender;
-
-       /**
-        * Constructor
-        * Load some values
-        */
-       function __construct( &$request ) {
-               global $wgContLang, $wgUser, $wgAllowRealName;
-
-               $this->mQuickbar = $request->getVal( 'wpQuickbar' );
-               $this->mStubs = $request->getVal( 'wpStubs' );
-               $this->mRows = $request->getVal( 'wpRows' );
-               $this->mCols = $request->getVal( 'wpCols' );
-               $this->mSkin = Skin::normalizeKey( $request->getVal( 'wpSkin' ) );
-               $this->mMath = $request->getVal( 'wpMath' );
-               $this->mDate = $request->getVal( 'wpDate' );
-               $this->mUserEmail = $request->getVal( 'wpUserEmail' );
-               $this->mRealName = $wgAllowRealName ? $request->getVal( 'wpRealName' ) : '';
-               $this->mEmailFlag = $request->getCheck( 'wpEmailFlag' ) ? 0 : 1;
-               $this->mNick = $request->getVal( 'wpNick' );
-               $this->mUserLanguage = $request->getVal( 'wpUserLanguage' );
-               $this->mUserVariant = $request->getVal( 'wpUserVariant' );
-               $this->mSearch = $request->getVal( 'wpSearch' );
-               $this->mRecent = $request->getVal( 'wpRecent' );
-               $this->mRecentDays = $request->getVal( 'wpRecentDays' );
-               $this->mTimeZone = $request->getVal( 'wpTimeZone' );
-               $this->mHourDiff = $request->getVal( 'wpHourDiff' );
-               $this->mSearchLines = $request->getVal( 'wpSearchLines' );
-               $this->mSearchChars = $request->getVal( 'wpSearchChars' );
-               $this->mImageSize = $request->getVal( 'wpImageSize' );
-               $this->mThumbSize = $request->getInt( 'wpThumbSize' );
-               $this->mUnderline = $request->getInt( 'wpOpunderline' );
-               $this->mAction = $request->getVal( 'action' );
-               $this->mReset = $request->getCheck( 'wpReset' );
-               $this->mRestoreprefs = $request->getCheck( 'wpRestore' );
-               $this->mPosted = $request->wasPosted();
-               $this->mSuccess = $request->getCheck( 'success' );
-               $this->mWatchlistDays = $request->getVal( 'wpWatchlistDays' );
-               $this->mWatchlistEdits = $request->getVal( 'wpWatchlistEdits' );
-               $this->mDisableMWSuggest = $request->getCheck( 'wpDisableMWSuggest' );
-               $this->mGender = $request->getVal( 'wpGender' );
-
-               $this->mSaveprefs = $request->getCheck( 'wpSaveprefs' ) &&
-                       $this->mPosted &&
-                       $wgUser->matchEditToken( $request->getVal( 'wpEditToken' ) );
-
-               # User toggles  (the big ugly unsorted list of checkboxes)
-               $this->mToggles = array();
-               if ( $this->mPosted ) {
-                       $togs = User::getToggles();
-                       foreach ( $togs as $tname ) {
-                               $this->mToggles[$tname] = $request->getCheck( "wpOp$tname" ) ? 1 : 0;
-                       }
-               }
-
-               $this->mUsedToggles = array();
-
-               # Search namespace options
-               # Note: namespaces don't necessarily have consecutive keys
-               $this->mSearchNs = array();
-               if ( $this->mPosted ) {
-                       $namespaces = $wgContLang->getNamespaces();
-                       foreach ( $namespaces as $i => $namespace ) {
-                               if ( $i >= 0 ) {
-                                       $this->mSearchNs[$i] = $request->getCheck( "wpNs$i" ) ? 1 : 0;
-                               }
-                       }
-               }
-
-               # Validate language
-               if ( !preg_match( '/^[a-z\-]*$/', $this->mUserLanguage ) ) {
-                       $this->mUserLanguage = 'nolanguage';
-               }
-
-               wfRunHooks( 'InitPreferencesForm', array( $this, $request ) );
+class SpecialPreferences extends SpecialPage {
+       function __construct() {
+               parent::__construct( 'Preferences' );
        }
 
-       function execute() {
-               global $wgUser, $wgOut, $wgTitle;
+       function execute( $par ) {
+               global $wgOut, $wgUser, $wgRequest;
+
+               $this->setHeaders();
+               $this->outputHeader();
+               $wgOut->disallowUserJs();  # Prevent hijacked user scripts from sniffing passwords etc.
 
                if ( $wgUser->isAnon() ) {
-                       $wgOut->showErrorPage( 'prefsnologin', 'prefsnologintext', array($wgTitle->getPrefixedDBkey()) );
+                       $wgOut->showErrorPage( 'prefsnologin', 'prefsnologintext', array( $this->getTitle()->getPrefixedDBkey() ) );
                        return;
                }
                if ( wfReadOnly() ) {
                        $wgOut->readOnlyPage();
                        return;
                }
-               if ( $this->mReset ) {
-                       $this->resetPrefs();
-                       $this->mainPrefsForm( 'reset', wfMsg( 'prefsreset' ) );
-               } else if ( $this->mSaveprefs ) {
-                       $this->savePreferences();
-               } else if ( $this->mRestoreprefs ) {
-                       $this->restorePreferences();
-               } else {
-                       $this->resetPrefs();
-                       $this->mainPrefsForm( '' );
-               }
-       }
-       /**
-        * @access private
-        */
-       function validateInt( &$val, $min=0, $max=0x7fffffff ) {
-               $val = intval($val);
-               $val = min($val, $max);
-               $val = max($val, $min);
-               return $val;
-       }
 
-       /**
-        * @access private
-        */
-       function validateFloat( &$val, $min, $max=0x7fffffff ) {
-               $val = floatval( $val );
-               $val = min( $val, $max );
-               $val = max( $val, $min );
-               return( $val );
-       }
-
-       /**
-        * @access private
-        */
-       function validateIntOrNull( &$val, $min=0, $max=0x7fffffff ) {
-               $val = trim($val);
-               if($val === '') {
-                       return null;
-               } else {
-                       return $this->validateInt( $val, $min, $max );
-               }
-       }
-
-       /**
-        * @access private
-        */
-       function validateDate( $val ) {
-               global $wgLang, $wgContLang;
-               if ( $val !== false && (
-                       in_array( $val, (array)$wgLang->getDatePreferences() ) ||
-                       in_array( $val, (array)$wgContLang->getDatePreferences() ) ) )
-               {
-                       return $val;
-               } else {
-                       return $wgLang->getDefaultDateFormat();
-               }
-       }
-
-       /**
-        * Used to validate the user inputed timezone before saving it as
-        * 'timecorrection', will return 'System' if fed bogus data.
-        * @access private
-        * @param string $tz the user input Zoneinfo timezone
-        * @param string $s  the user input offset string
-        * @return string
-        */
-       function validateTimeZone( $tz, $s ) {
-               $data = explode( '|', $tz, 3 );
-               switch ( $data[0] ) {
-                       case 'ZoneInfo':
-                       case 'System':
-                               return $tz;
-                       case 'Offset':
-                       default:
-                               $data = explode( ':', $s, 2 );
-                               $minDiff = 0;
-                               if( count( $data ) == 2 ) {
-                                       $data[0] = intval( $data[0] );
-                                       $data[1] = intval( $data[1] );
-                                       $minDiff = abs( $data[0] ) * 60 + $data[1];
-                                       if ( $data[0] < 0 ) $minDiff = -$minDiff;
-                               } else {
-                                       $minDiff = intval( $data[0] ) * 60;
-                               }
-
-                               # Max is +14:00 and min is -12:00, see:
-                               # http://en.wikipedia.org/wiki/Timezone
-                               $minDiff = min( $minDiff, 840 );  # 14:00
-                               $minDiff = max( $minDiff, -720 ); # -12:00
-                               return 'Offset|'.$minDiff;
-               }
-       }
-
-       function validateGender( $val ) {
-               $valid = array( 'male', 'female', 'unknown' );
-               if ( in_array($val, $valid) ) {
-                       return $val;
-               } else {
-                       return User::getDefaultOption( 'gender' );
-               }
-       }
-
-       /**
-        * @access private
-        */
-       function savePreferences() {
-               global $wgUser, $wgOut, $wgParser;
-               global $wgEnableUserEmail, $wgEnableEmail;
-               global $wgEmailAuthentication, $wgRCMaxAge;
-               global $wgAuth, $wgEmailConfirmToEdit;
-
-               $wgUser->setRealName( $this->mRealName );
-               $oldOptions = $wgUser->mOptions;
-
-               if( $wgUser->getOption( 'language' ) !== $this->mUserLanguage ) {
-                       $needRedirect = true;
-               } else {
-                       $needRedirect = false;
-               }
-
-               # Validate the signature and clean it up as needed
-               global $wgMaxSigChars;
-               if( mb_strlen( $this->mNick ) > $wgMaxSigChars ) {
-                       global $wgLang;
-                       $this->mainPrefsForm( 'error',
-                               wfMsgExt( 'badsiglength', 'parsemag', $wgLang->formatNum( $wgMaxSigChars ) ) );
+               if ( $par == 'reset' ) {
+                       $this->showResetForm();
                        return;
-               } elseif( $this->mToggles['fancysig'] ) {
-                       if( $wgParser->validateSig( $this->mNick ) !== false ) {
-                               $this->mNick = $wgParser->cleanSig( $this->mNick );
-                       } else {
-                               $this->mainPrefsForm( 'error', wfMsg( 'badsig' ) );
-                               return;
-                       }
-               } else {
-                       // When no fancy sig used, make sure ~{3,5} get removed.
-                       $this->mNick = $wgParser->cleanSigInSig( $this->mNick );
-               }
-
-               $wgUser->setOption( 'language', $this->mUserLanguage );
-               $wgUser->setOption( 'variant', $this->mUserVariant );
-               $wgUser->setOption( 'nickname', $this->mNick );
-               $wgUser->setOption( 'quickbar', $this->mQuickbar );
-               global $wgAllowUserSkin;
-               if( $wgAllowUserSkin ) {
-                       $wgUser->setOption( 'skin', $this->mSkin );
-               }
-               global $wgUseTeX;
-               if( $wgUseTeX ) {
-                       $wgUser->setOption( 'math', $this->mMath );
-               }
-               $wgUser->setOption( 'date', $this->validateDate( $this->mDate ) );
-               $wgUser->setOption( 'searchlimit', $this->validateIntOrNull( $this->mSearch ) );
-               $wgUser->setOption( 'contextlines', $this->validateIntOrNull( $this->mSearchLines ) );
-               $wgUser->setOption( 'contextchars', $this->validateIntOrNull( $this->mSearchChars ) );
-               $wgUser->setOption( 'rclimit', $this->validateIntOrNull( $this->mRecent ) );
-               $wgUser->setOption( 'rcdays', $this->validateInt($this->mRecentDays, 1, ceil($wgRCMaxAge / (3600*24))));
-               $wgUser->setOption( 'wllimit', $this->validateIntOrNull( $this->mWatchlistEdits, 0, 1000 ) );
-               $wgUser->setOption( 'rows', $this->validateInt( $this->mRows, 4, 1000 ) );
-               $wgUser->setOption( 'cols', $this->validateInt( $this->mCols, 4, 1000 ) );
-               $wgUser->setOption( 'stubthreshold', $this->validateIntOrNull( $this->mStubs ) );
-               $wgUser->setOption( 'timecorrection', $this->validateTimeZone( $this->mTimeZone, $this->mHourDiff ) );
-               $wgUser->setOption( 'imagesize', $this->mImageSize );
-               $wgUser->setOption( 'thumbsize', $this->mThumbSize );
-               $wgUser->setOption( 'underline', $this->validateInt($this->mUnderline, 0, 2) );
-               $wgUser->setOption( 'watchlistdays', $this->validateFloat( $this->mWatchlistDays, 0, 7 ) );
-               $wgUser->setOption( 'disablesuggest', $this->mDisableMWSuggest );
-               $wgUser->setOption( 'gender', $this->validateGender( $this->mGender ) );
-
-               # Set search namespace options
-               foreach( $this->mSearchNs as $i => $value ) {
-                       $wgUser->setOption( "searchNs{$i}", $value );
-               }
-
-               if( $wgEnableEmail && $wgEnableUserEmail ) {
-                       $wgUser->setOption( 'disablemail', $this->mEmailFlag );
-               }
-
-               # Set user toggles
-               foreach ( $this->mToggles as $tname => $tvalue ) {
-                       $wgUser->setOption( $tname, $tvalue );
-               }
-
-               $error = false;
-               if( $wgEnableEmail ) {
-                       $newadr = $this->mUserEmail;
-                       $oldadr = $wgUser->getEmail();
-                       if( ($newadr != '') && ($newadr != $oldadr) ) {
-                               # the user has supplied a new email address on the login page
-                               if( $wgUser->isValidEmailAddr( $newadr ) ) {
-                                       # new behaviour: set this new emailaddr from login-page into user database record
-                                       $wgUser->setEmail( $newadr );
-                                       # but flag as "dirty" = unauthenticated
-                                       $wgUser->invalidateEmail();
-                                       if ($wgEmailAuthentication) {
-                                               # Mail a temporary password to the dirty address.
-                                               # User can come back through the confirmation URL to re-enable email.
-                                               $result = $wgUser->sendConfirmationMail();
-                                               if( WikiError::isError( $result ) ) {
-                                                       $error = wfMsg( 'mailerror', htmlspecialchars( $result->getMessage() ) );
-                                               } else {
-                                                       $error = wfMsg( 'eauthentsent', $wgUser->getName() );
-                                               }
-                                       }
-                               } else {
-                                       $error = wfMsg( 'invalidemailaddress' );
-                               }
-                       } else {
-                               if( $wgEmailConfirmToEdit && empty( $newadr ) ) {
-                                       $this->mainPrefsForm( 'error', wfMsg( 'noemailtitle' ) );
-                                       return;
-                               }
-                               $wgUser->setEmail( $this->mUserEmail );
-                       }
-                       if( $oldadr != $newadr ) {
-                               wfRunHooks( 'PrefsEmailAudit', array( $wgUser, $oldadr, $newadr ) );
-                       }
                }
+               
+               $wgOut->addScriptFile( 'prefs.js' );
 
-               if( !$wgAuth->updateExternalDB( $wgUser ) ){
-                       $this->mainPrefsForm( 'error', wfMsg( 'externaldberror' ) );
-                       return;
+               if ( $wgRequest->getCheck( 'success' ) ) {
+                       $wgOut->wrapWikiMsg(
+                               '<div class="successbox"><strong>$1</strong></div><div id="mw-pref-clear"></div>',
+                               'savedprefs'
+                       );
                }
-
-               $msg = '';
-               if ( !wfRunHooks( 'SavePreferences', array( $this, $wgUser, &$msg, $oldOptions ) ) ) {
-                       $this->mainPrefsForm( 'error', $msg );
-                       return;
+               
+               if ( $wgRequest->getCheck( 'eauth' ) ) {
+                       $wgOut->wrapWikiMsg( "<div class='error' style='clear: both;'>\n$1</div>",
+                                                                       'eauthentsent', $wgUser->getName() );
                }
 
-               $wgUser->setCookies();
-               $wgUser->saveSettings();
-
-               if( $needRedirect && $error === false ) {
-                       $title = SpecialPage::getTitleFor( 'Preferences' );
-                       $wgOut->redirect( $title->getFullURL( 'success' ) );
-                       return;
-               }
+               $htmlForm = Preferences::getFormObject( $wgUser );
+               $htmlForm->setSubmitCallback( array( 'Preferences', 'tryUISubmit' ) );
 
-               $wgOut->parserOptions( ParserOptions::newFromUser( $wgUser ) );
-               $this->mainPrefsForm( $error === false ? 'success' : 'error', $error);
+               $htmlForm->show();
        }
 
-       /**
-        * @access private
-        */
-       function resetPrefs() {
-               global $wgUser, $wgLang, $wgContLang, $wgContLanguageCode, $wgAllowRealName, $wgLocalTZoffset;
+       function showResetForm() {
+               global $wgOut;
 
-               $this->mUserEmail = $wgUser->getEmail();
-               $this->mUserEmailAuthenticationtimestamp = $wgUser->getEmailAuthenticationtimestamp();
-               $this->mRealName = ($wgAllowRealName) ? $wgUser->getRealName() : '';
+               $wgOut->addWikiMsg( 'prefs-reset-intro' );
 
-               # language value might be blank, default to content language
-               $this->mUserLanguage = $wgUser->getOption( 'language', $wgContLanguageCode );
+               $htmlForm = new HTMLForm( array(), 'prefs-restore' );
 
-               $this->mUserVariant = $wgUser->getOption( 'variant');
-               $this->mEmailFlag = $wgUser->getOption( 'disablemail' ) == 1 ? 1 : 0;
-               $this->mNick = $wgUser->getOption( 'nickname' );
+               $htmlForm->setSubmitText( wfMsg( 'restoreprefs' ) );
+               $htmlForm->setTitle( $this->getTitle( 'reset' ) );
+               $htmlForm->setSubmitCallback( array( __CLASS__, 'submitReset' ) );
+               $htmlForm->suppressReset();
 
-               $this->mQuickbar = $wgUser->getOption( 'quickbar' );
-               $this->mSkin = Skin::normalizeKey( $wgUser->getOption( 'skin' ) );
-               $this->mMath = $wgUser->getOption( 'math' );
-               $this->mDate = $wgUser->getDatePreference();
-               $this->mRows = $wgUser->getOption( 'rows' );
-               $this->mCols = $wgUser->getOption( 'cols' );
-               $this->mStubs = $wgUser->getOption( 'stubthreshold' );
-
-               $tz = $wgUser->getOption( 'timecorrection' );
-               $data = explode( '|', $tz, 3 );
-               $minDiff = null;
-               switch ( $data[0] ) {
-                       case 'ZoneInfo':
-                               $this->mTimeZone = $tz;
-                               # Check if the specified TZ exists, and change to 'Offset' if 
-                               # not.
-                               if ( !function_exists('timezone_open') || @timezone_open( $data[2] ) === false ) {
-                                       $this->mTimeZone = 'Offset';
-                                       $minDiff = intval( $data[1] );
-                               }
-                               break;
-                       case '':
-                       case 'System':
-                               $this->mTimeZone = 'System|'.$wgLocalTZoffset;
-                               break;
-                       case 'Offset':
-                               $this->mTimeZone = 'Offset';
-                               $minDiff = intval( $data[1] );
-                               break;
-                       default:
-                               $this->mTimeZone = 'Offset';
-                               $data = explode( ':', $tz, 2 );
-                               if( count( $data ) == 2 ) {
-                                       $data[0] = intval( $data[0] );
-                                       $data[1] = intval( $data[1] );
-                                       $minDiff = abs( $data[0] ) * 60 + $data[1];
-                                       if ( $data[0] < 0 ) $minDiff = -$minDiff;
-                               } else {
-                                       $minDiff = intval( $data[0] ) * 60;
-                               }
-                               break;
-               }
-               if ( is_null( $minDiff ) ) {
-                       $this->mHourDiff = '';
-               } else {
-                       $this->mHourDiff = sprintf( '%+03d:%02d', floor($minDiff/60), abs($minDiff)%60 );
-               }
-
-               $this->mSearch = $wgUser->getOption( 'searchlimit' );
-               $this->mSearchLines = $wgUser->getOption( 'contextlines' );
-               $this->mSearchChars = $wgUser->getOption( 'contextchars' );
-               $this->mImageSize = $wgUser->getOption( 'imagesize' );
-               $this->mThumbSize = $wgUser->getOption( 'thumbsize' );
-               $this->mRecent = $wgUser->getOption( 'rclimit' );
-               $this->mRecentDays = $wgUser->getOption( 'rcdays' );
-               $this->mWatchlistEdits = $wgUser->getOption( 'wllimit' );
-               $this->mUnderline = $wgUser->getOption( 'underline' );
-               $this->mWatchlistDays = $wgUser->getOption( 'watchlistdays' );
-               $this->mDisableMWSuggest = $wgUser->getBoolOption( 'disablesuggest' );
-               $this->mGender = $wgUser->getOption( 'gender' );
-
-               $togs = User::getToggles();
-               foreach ( $togs as $tname ) {
-                       $this->mToggles[$tname] = $wgUser->getOption( $tname );
-               }
-
-               $namespaces = $wgContLang->getNamespaces();
-               foreach ( $namespaces as $i => $namespace ) {
-                       if ( $i >= NS_MAIN ) {
-                               $this->mSearchNs[$i] = $wgUser->getOption( 'searchNs'.$i );
-                       }
-               }
-
-               wfRunHooks( 'ResetPreferences', array( $this, $wgUser ) );
+               $htmlForm->show();
        }
-       
-       /**
-        * @access private
-        */
-       function restorePreferences() {
+
+       static function submitReset( $formData ) {
                global $wgUser, $wgOut;
-               $wgUser->restoreOptions();
-               $wgUser->setCookies();
+               $wgUser->resetOptions();
                $wgUser->saveSettings();
-               $title = SpecialPage::getTitleFor( 'Preferences' );
-               $wgOut->redirect( $title->getFullURL( 'success' ) );
-       }
-
-       /**
-        * @access private
-        */
-       function namespacesCheckboxes() {
-               global $wgContLang;
-
-               # Determine namespace checkboxes
-               $namespaces = $wgContLang->getNamespaces();
-               $r1 = null;
-
-               foreach ( $namespaces as $i => $name ) {
-                       if ($i < 0)
-                               continue;
-                       $checked = $this->mSearchNs[$i] ? "checked='checked'" : '';
-                       $name = str_replace( '_', ' ', $namespaces[$i] );
-
-                       if ( empty($name) )
-                               $name = wfMsg( 'blanknamespace' );
-
-                       $r1 .= "<input type='checkbox' value='1' name='wpNs$i' id='wpNs$i' {$checked}/> <label for='wpNs$i'>{$name}</label><br />\n";
-               }
-               return $r1;
-       }
-
-
-       function getToggle( $tname, $trailer = false, $disabled = false ) {
-               global $wgUser, $wgLang;
-
-               $this->mUsedToggles[$tname] = true;
-               $ttext = $wgLang->getUserToggle( $tname );
-
-               $checked = $wgUser->getOption( $tname ) == 1 ? ' checked="checked"' : '';
-               $disabled = $disabled ? ' disabled="disabled"' : '';
-               $trailer = $trailer ? $trailer : '';
-               return "<div class='toggle'><input type='checkbox' value='1' id=\"$tname\" name=\"wpOp$tname\"$checked$disabled />" .
-                       " <span class='toggletext'><label for=\"$tname\">$ttext</label>$trailer</span></div>\n";
-       }
-
-       function getToggles( $items ) {
-               $out = "";
-               foreach( $items as $item ) {
-                       if( $item === false )
-                               continue;
-                       if( is_array( $item ) ) {
-                               list( $key, $trailer ) = $item;
-                       } else {
-                               $key = $item;
-                               $trailer = false;
-                       }
-                       $out .= $this->getToggle( $key, $trailer );
-               }
-               return $out;
-       }
-
-       function addRow($td1, $td2) {
-               return "<tr><td class='mw-label'>$td1</td><td class='mw-input'>$td2</td></tr>";
-       }
-
-       /**
-        * Helper function for user information panel
-        * @param $td1 label for an item
-        * @param $td2 item or null
-        * @param $td3 optional help or null
-        * @return xhtml block
-        */
-       function tableRow( $td1, $td2 = null, $td3 = null ) {
-
-               if ( is_null( $td3 ) ) {
-                       $td3 = '';
-               } else {
-                       $td3 = Xml::tags( 'tr', null,
-                               Xml::tags( 'td', array( 'class' => 'pref-label', 'colspan' => '2' ), $td3 )
-                       );
-               }
-
-               if ( is_null( $td2 ) ) {
-                       $td1 = Xml::tags( 'td', array( 'class' => 'pref-label', 'colspan' => '2' ), $td1 );
-                       $td2 = '';
-               } else {
-                       $td1 = Xml::tags( 'td', array( 'class' => 'pref-label' ), $td1 );
-                       $td2 = Xml::tags( 'td', array( 'class' => 'pref-input' ), $td2 );
-               }
-
-               return Xml::tags( 'tr', null, $td1 . $td2 ). $td3 . "\n";
-
-       }
-
-       /**
-        * @access private
-        */
-       function mainPrefsForm( $status , $message = '' ) {
-               global $wgUser, $wgOut, $wgLang, $wgContLang, $wgAuth;
-               global $wgAllowRealName, $wgImageLimits, $wgThumbLimits;
-               global $wgDisableLangConversion, $wgDisableTitleConversion;
-               global $wgEnotifWatchlist, $wgEnotifUserTalk,$wgEnotifMinorEdits;
-               global $wgRCShowWatchingUsers, $wgEnotifRevealEditorAddress;
-               global $wgEnableEmail, $wgEnableUserEmail, $wgEmailAuthentication;
-               global $wgContLanguageCode, $wgDefaultSkin, $wgCookieExpiration;
-               global $wgEmailConfirmToEdit, $wgEnableMWSuggest, $wgLocalTZoffset;
-
-               $wgOut->setPageTitle( wfMsg( 'preferences' ) );
-               $wgOut->setArticleRelated( false );
-               $wgOut->setRobotPolicy( 'noindex,nofollow' );
-               $wgOut->addScriptFile( 'prefs.js' );
-
-               $wgOut->disallowUserJs();  # Prevent hijacked user scripts from sniffing passwords etc.
-
-               if ( $this->mSuccess || 'success' == $status ) {
-                       $wgOut->wrapWikiMsg( '<div class="successbox"><strong>$1</strong></div>', 'savedprefs' );
-               } else  if ( 'error' == $status ) {
-                       $wgOut->addWikiText( '<div class="errorbox"><strong>' . $message  . '</strong></div>' );
-               } else if ( '' != $status ) {
-                       $wgOut->addWikiText( $message . "\n----" );
-               }
-
-               $qbs = $wgLang->getQuickbarSettings();
-               $mathopts = $wgLang->getMathNames();
-               $dateopts = $wgLang->getDatePreferences();
-               $togs = User::getToggles();
-
-               $titleObj = SpecialPage::getTitleFor( 'Preferences' );
-
-               # Pre-expire some toggles so they won't show if disabled
-               $this->mUsedToggles[ 'shownumberswatching' ] = true;
-               $this->mUsedToggles[ 'showupdated' ] = true;
-               $this->mUsedToggles[ 'enotifwatchlistpages' ] = true;
-               $this->mUsedToggles[ 'enotifusertalkpages' ] = true;
-               $this->mUsedToggles[ 'enotifminoredits' ] = true;
-               $this->mUsedToggles[ 'enotifrevealaddr' ] = true;
-               $this->mUsedToggles[ 'ccmeonemails' ] = true;
-               $this->mUsedToggles[ 'uselivepreview' ] = true;
-               $this->mUsedToggles[ 'noconvertlink' ] = true;
-
-
-               if ( !$this->mEmailFlag ) { $emfc = 'checked="checked"'; }
-               else { $emfc = ''; }
-
-
-               if ($wgEmailAuthentication && ($this->mUserEmail != '') ) {
-                       if( $wgUser->getEmailAuthenticationTimestamp() ) {
-                               // date and time are separate parameters to facilitate localisation.
-                               // $time is kept for backward compat reasons.
-                               // 'emailauthenticated' is also used in SpecialConfirmemail.php
-                               $time = $wgLang->timeAndDate( $wgUser->getEmailAuthenticationTimestamp(), true );
-                               $d = $wgLang->date( $wgUser->getEmailAuthenticationTimestamp(), true );
-                               $t = $wgLang->time( $wgUser->getEmailAuthenticationTimestamp(), true );
-                               $emailauthenticated = wfMsg('emailauthenticated', $time, $d, $t ).'<br />';
-                               $disableEmailPrefs = false;
-                       } else {
-                               $disableEmailPrefs = true;
-                               $skin = $wgUser->getSkin();
-                               $emailauthenticated = wfMsg('emailnotauthenticated').'<br />' .
-                                       $skin->makeKnownLinkObj( SpecialPage::getTitleFor( 'Confirmemail' ),
-                                               wfMsg( 'emailconfirmlink' ) ) . '<br />';
-                       }
-               } else {
-                       $emailauthenticated = '';
-                       $disableEmailPrefs = false;
-               }
-
-               if ($this->mUserEmail == '') {
-                       $emailauthenticated = wfMsg( 'noemailprefs' ) . '<br />';
-               }
-
-               $ps = $this->namespacesCheckboxes();
-
-               $enotifwatchlistpages = ($wgEnotifWatchlist) ? $this->getToggle( 'enotifwatchlistpages', false, $disableEmailPrefs ) : '';
-               $enotifusertalkpages = ($wgEnotifUserTalk) ? $this->getToggle( 'enotifusertalkpages', false, $disableEmailPrefs ) : '';
-               $enotifminoredits = ($wgEnotifWatchlist && $wgEnotifMinorEdits) ? $this->getToggle( 'enotifminoredits', false, $disableEmailPrefs ) : '';
-               $enotifrevealaddr = (($wgEnotifWatchlist || $wgEnotifUserTalk) && $wgEnotifRevealEditorAddress) ? $this->getToggle( 'enotifrevealaddr', false, $disableEmailPrefs ) : '';
-
-               # </FIXME>
-
-               $wgOut->addHTML(
-                       Xml::openElement( 'form', array(
-                               'action' => $titleObj->getLocalUrl(),
-                               'method' => 'post',
-                               'id'     => 'mw-preferences-form',
-                       ) ) .
-                       Xml::openElement( 'div', array( 'id' => 'preferences' ) )
-               );
-
-               # User data
-
-               $wgOut->addHTML(
-                       Xml::fieldset( wfMsg('prefs-personal') ) .
-                       Xml::openElement( 'table' ) .
-                       $this->tableRow( Xml::element( 'h2', null, wfMsg( 'prefs-personal' ) ) )
-               );
-
-               # Get groups to which the user belongs
-               $userEffectiveGroups = $wgUser->getEffectiveGroups();
-               $userEffectiveGroupsArray = array();
-               foreach( $userEffectiveGroups as $ueg ) {
-                       if( $ueg == '*' ) {
-                               // Skip the default * group, seems useless here
-                               continue;
-                       }
-                       $userEffectiveGroupsArray[] = User::makeGroupLinkHTML( $ueg );
-               }
-               asort( $userEffectiveGroupsArray );
-
-               $sk = $wgUser->getSkin();
-               $toolLinks = array();
-               $toolLinks[] = $sk->makeKnownLinkObj( SpecialPage::getTitleFor( 'ListGroupRights' ), wfMsg( 'listgrouprights' ) );
-               # At the moment one tool link only but be prepared for the future...
-               # FIXME: Add a link to Special:Userrights for users who are allowed to use it.
-               # $wgUser->isAllowed( 'userrights' ) seems to strict in some cases
-
-               $userInformationHtml =
-                       $this->tableRow( wfMsgHtml( 'username' ), htmlspecialchars( $wgUser->getName() ) ) .
-                       $this->tableRow( wfMsgHtml( 'uid' ), htmlspecialchars( $wgUser->getId() ) ) .
-
-                       $this->tableRow(
-                               wfMsgExt( 'prefs-memberingroups', array( 'parseinline' ), count( $userEffectiveGroupsArray ) ),
-                               $wgLang->commaList( $userEffectiveGroupsArray ) .
-                               '<br />(' . $wgLang->pipeList( $toolLinks ) . ')'
-                       ) .
-
-                       $this->tableRow(
-                               wfMsgHtml( 'prefs-edits' ),
-                               $wgLang->formatNum( $wgUser->getEditCount() )
-                       );
-
-               if( wfRunHooks( 'PreferencesUserInformationPanel', array( $this, &$userInformationHtml ) ) ) {
-                       $wgOut->addHTML( $userInformationHtml );
-               }
-
-               if ( $wgAllowRealName ) {
-                       $wgOut->addHTML(
-                               $this->tableRow(
-                                       Xml::label( wfMsg('yourrealname'), 'wpRealName' ),
-                                       Xml::input( 'wpRealName', 25, $this->mRealName, array( 'id' => 'wpRealName' ) ),
-                                       Xml::tags('div', array( 'class' => 'prefsectiontip' ),
-                                               wfMsgExt( 'prefs-help-realname', 'parseinline' )
-                                       )
-                               )
-                       );
-               }
-               if ( $wgEnableEmail ) {
-                       $wgOut->addHTML(
-                               $this->tableRow(
-                                       Xml::label( wfMsg('youremail'), 'wpUserEmail' ),
-                                       Xml::input( 'wpUserEmail', 25, $this->mUserEmail, array( 'id' => 'wpUserEmail' ) ),
-                                       Xml::tags('div', array( 'class' => 'prefsectiontip' ),
-                                               wfMsgExt( $wgEmailConfirmToEdit ? 'prefs-help-email-required' : 'prefs-help-email', 'parseinline' )
-                                       )
-                               )
-                       );
-               }
-
-               global $wgParser, $wgMaxSigChars;
-               if( mb_strlen( $this->mNick ) > $wgMaxSigChars ) {
-                       $invalidSig = $this->tableRow(
-                               '&nbsp;',
-                               Xml::element( 'span', array( 'class' => 'error' ),
-                                       wfMsgExt( 'badsiglength', 'parsemag', $wgLang->formatNum( $wgMaxSigChars ) ) )
-                       );
-               } elseif( !empty( $this->mToggles['fancysig'] ) &&
-                       false === $wgParser->validateSig( $this->mNick ) ) {
-                       $invalidSig = $this->tableRow(
-                               '&nbsp;',
-                               Xml::element( 'span', array( 'class' => 'error' ), wfMsg( 'badsig' ) )
-                       );
-               } else {
-                       $invalidSig = '';
-               }
-
-               $wgOut->addHTML(
-                       $this->tableRow(
-                               Xml::label( wfMsg( 'yournick' ), 'wpNick' ),
-                               Xml::input( 'wpNick', 25, $this->mNick,
-                                       array(
-                                               'id' => 'wpNick',
-                                               // Note: $wgMaxSigChars is enforced in Unicode characters,
-                                               // both on the backend and now in the browser.
-                                               // Badly-behaved requests may still try to submit
-                                               // an overlong string, however.
-                                               'maxlength' => $wgMaxSigChars ) )
-                       ) .
-                       $invalidSig .
-                       $this->tableRow( '&nbsp;', $this->getToggle( 'fancysig' ) )
-               );
-
-               $gender = new XMLSelect( 'wpGender', 'wpGender', $this->mGender );
-               $gender->addOption( wfMsg( 'gender-unknown' ), 'unknown' );
-               $gender->addOption( wfMsg( 'gender-male' ), 'male' );
-               $gender->addOption( wfMsg( 'gender-female' ), 'female' );
-
-               $wgOut->addHTML(
-                       $this->tableRow(
-                               Xml::label( wfMsg( 'yourgender' ), 'wpGender' ),
-                               $gender->getHTML(),
-                               Xml::tags( 'div', array( 'class' => 'prefsectiontip' ),
-                                       wfMsgExt( 'prefs-help-gender', 'parseinline' )
-                               )
-                       )
-               );
-
-               list( $lsLabel, $lsSelect) = Xml::languageSelector( $this->mUserLanguage, false );
-               $wgOut->addHTML(
-                       $this->tableRow( $lsLabel, $lsSelect )
-               );
-
-               /* see if there are multiple language variants to choose from*/
-               if(!$wgDisableLangConversion) {
-                       $variants = $wgContLang->getVariants();
-                       $variantArray = array();
-
-                       $languages = Language::getLanguageNames( true );
-                       foreach($variants as $v) {
-                               $v = str_replace( '_', '-', strtolower($v));
-                               if( array_key_exists( $v, $languages ) ) {
-                                       // If it doesn't have a name, we'll pretend it doesn't exist
-                                       $variantArray[$v] = $languages[$v];
-                               }
-                       }
-
-                       $options = "\n";
-                       foreach( $variantArray as $code => $name ) {
-                               $selected = ($code == $this->mUserVariant);
-                               $options .= Xml::option( "$code - $name", $code, $selected ) . "\n";
-                       }
-
-                       if(count($variantArray) > 1) {
-                               $wgOut->addHTML(
-                                       $this->tableRow(
-                                               Xml::label( wfMsg( 'yourvariant' ), 'wpUserVariant' ),
-                                               Xml::tags( 'select',
-                                                       array( 'name' => 'wpUserVariant', 'id' => 'wpUserVariant' ),
-                                                       $options
-                                               )
-                                       )
-                               );
-                       }
-
-                       if(count($variantArray) > 1 && !$wgDisableLangConversion && !$wgDisableTitleConversion) {
-                               $wgOut->addHTML(
-                                       Xml::tags( 'tr', null,
-                                               Xml::tags( 'td', array( 'colspan' => '2' ),
-                                                       $this->getToggle( "noconvertlink" )
-                                               )
-                                       )
-                               );
-                       }
-               }
-
-               # Password
-               if( $wgAuth->allowPasswordChange() ) {
-                       $link = $wgUser->getSkin()->link( SpecialPage::getTitleFor( 'ResetPass' ), wfMsgHtml( 'prefs-resetpass' ),
-                               array() , array( 'returnto' => SpecialPage::getTitleFor( 'Preferences' )->getPrefixedText() ) );
-                       $wgOut->addHTML(
-                               $this->tableRow( Xml::element( 'h2', null, wfMsg( 'changepassword' ) ) ) .
-                               $this->tableRow( '<ul><li>' . $link . '</li></ul>' ) );
-               }
-
-               # <FIXME>
-               # Enotif
-               if ( $wgEnableEmail ) {
-
-                       $moreEmail = '';
-                       if ($wgEnableUserEmail) {
-                               // fixme -- the "allowemail" pseudotoggle is a hacked-together
-                               // inversion for the "disableemail" preference.
-                               $emf = wfMsg( 'allowemail' );
-                               $disabled = $disableEmailPrefs ? ' disabled="disabled"' : '';
-                               $moreEmail =
-                                       "<input type='checkbox' $emfc $disabled value='1' name='wpEmailFlag' id='wpEmailFlag' /> <label for='wpEmailFlag'>$emf</label>" .
-                                       $this->getToggle( 'ccmeonemails', '', $disableEmailPrefs );
-                       }
-
-
-                       $wgOut->addHTML(
-                               $this->tableRow( Xml::element( 'h2', null, wfMsg( 'email' ) ) ) .
-                               $this->tableRow(
-                                       $emailauthenticated.
-                                       $enotifrevealaddr.
-                                       $enotifwatchlistpages.
-                                       $enotifusertalkpages.
-                                       $enotifminoredits.
-                                       $moreEmail
-                               )
-                       );
-               }
-               # </FIXME>
-
-               $wgOut->addHTML(
-                       Xml::closeElement( 'table' ) .
-                       Xml::closeElement( 'fieldset' )
-               );
-
-
-               # Quickbar
-               #
-               if ($this->mSkin == 'cologneblue' || $this->mSkin == 'standard') {
-                       $wgOut->addHTML( "<fieldset>\n<legend>" . wfMsg( 'qbsettings' ) . "</legend>\n" );
-                       for ( $i = 0; $i < count( $qbs ); ++$i ) {
-                               if ( $i == $this->mQuickbar ) { $checked = ' checked="checked"'; }
-                               else { $checked = ""; }
-                               $wgOut->addHTML( "<div><label><input type='radio' name='wpQuickbar' value=\"$i\"$checked />{$qbs[$i]}</label></div>\n" );
-                       }
-                       $wgOut->addHTML( "</fieldset>\n\n" );
-               } else {
-                       # Need to output a hidden option even if the relevant skin is not in use,
-                       # otherwise the preference will get reset to 0 on submit
-                       $wgOut->addHTML( Xml::hidden( 'wpQuickbar', $this->mQuickbar ) );
-               }
-
-               # Skin
-               #
-               global $wgAllowUserSkin;
-               if( $wgAllowUserSkin ) {
-                       $wgOut->addHTML( "<fieldset>\n<legend>\n" . wfMsg( 'skin' ) . "</legend>\n" );
-                       $mptitle = Title::newMainPage();
-                       $previewtext = wfMsg( 'skin-preview' );
-                       # Only show members of Skin::getSkinNames() rather than
-                       # $skinNames (skins is all skin names from Language.php)
-                       $validSkinNames = Skin::getUsableSkins();
-                       # Sort by UI skin name. First though need to update validSkinNames as sometimes
-                       # the skinkey & UI skinname differ (e.g. "standard" skinkey is "Classic" in the UI).
-                       foreach ( $validSkinNames as $skinkey => &$skinname ) {
-                               $msgName = "skinname-{$skinkey}";
-                               $localisedSkinName = wfMsg( $msgName );
-                               if ( !wfEmptyMsg( $msgName, $localisedSkinName ) )  {
-                                       $skinname = $localisedSkinName;
-                               }
-                       }
-                       asort($validSkinNames);
-                       foreach( $validSkinNames as $skinkey => $sn ) {
-                               $checked = $skinkey == $this->mSkin ? ' checked="checked"' : '';
-                               $mplink = htmlspecialchars( $mptitle->getLocalURL( "useskin=$skinkey" ) );
-                               $previewlink = "(<a target='_blank' href=\"$mplink\">$previewtext</a>)";
-                               $extraLinks = '';
-                               global $wgAllowUserCss, $wgAllowUserJs;
-                               if( $wgAllowUserCss ) {
-                                       $cssPage = Title::makeTitleSafe( NS_USER, $wgUser->getName().'/'.$skinkey.'.css' );
-                                       $customCSS = $sk->makeLinkObj( $cssPage, wfMsgExt('prefs-custom-css', array() ) );
-                                       $extraLinks .= " ($customCSS)";
-                               }
-                               if( $wgAllowUserJs ) {
-                                       $jsPage = Title::makeTitleSafe( NS_USER, $wgUser->getName().'/'.$skinkey.'.js' );
-                                       $customJS = $sk->makeLinkObj( $jsPage, wfMsgHtml('prefs-custom-js') );
-                                       $extraLinks .= " ($customJS)";
-                               }
-                               if( $skinkey == $wgDefaultSkin )
-                                       $sn .= ' (' . wfMsg( 'default' ) . ')';
-                               $wgOut->addHTML( "<input type='radio' name='wpSkin' id=\"wpSkin$skinkey\" value=\"$skinkey\"$checked /> 
-                                       <label for=\"wpSkin$skinkey\">{$sn}</label> $previewlink{$extraLinks}<br />\n" );
-                       }
-                       $wgOut->addHTML( "</fieldset>\n\n" );
-               }
-
-               # Math
-               #
-               global $wgUseTeX;
-               if( $wgUseTeX ) {
-                       $wgOut->addHTML( "<fieldset>\n<legend>" . wfMsg('math') . '</legend>' );
-                       foreach ( $mathopts as $k => $v ) {
-                               $checked = ($k == $this->mMath);
-                               $wgOut->addHTML(
-                                       Xml::openElement( 'div' ) .
-                                       Xml::radioLabel( wfMsg( $v ), 'wpMath', $k, "mw-sp-math-$k", $checked ) .
-                                       Xml::closeElement( 'div' ) . "\n"
-                               );
-                       }
-                       $wgOut->addHTML( "</fieldset>\n\n" );
-               }
-
-               # Files
-               #
-               $imageLimitOptions = null;
-               foreach ( $wgImageLimits as $index => $limits ) {
-                       $selected = ($index == $this->mImageSize);
-                       $imageLimitOptions .= Xml::option( "{$limits[0]}×{$limits[1]}" .
-                               wfMsg('unit-pixel'), $index, $selected );
-               }
-
-               $imageThumbOptions = null;
-               foreach ( $wgThumbLimits as $index => $size ) {
-                       $selected = ($index == $this->mThumbSize);
-                       $imageThumbOptions .= Xml::option($size . wfMsg('unit-pixel'), $index,
-                               $selected);
-               }
-
-               $imageSizeId = 'wpImageSize';
-               $thumbSizeId = 'wpThumbSize';
-               $wgOut->addHTML(
-                       Xml::fieldset( wfMsg( 'files' ) ) . "\n" .
-                       Xml::openElement( 'table' ) .
-                               '<tr>
-                                       <td class="mw-label">' .
-                                               Xml::label( wfMsg( 'imagemaxsize' ), $imageSizeId ) .
-                                       '</td>
-                                       <td class="mw-input">' .
-                                               Xml::openElement( 'select', array( 'name' => $imageSizeId, 'id' => $imageSizeId ) ) .
-                                               $imageLimitOptions .
-                                               Xml::closeElement( 'select' ) .
-                                       '</td>
-                               </tr><tr>
-                                       <td class="mw-label">' .
-                                               Xml::label( wfMsg( 'thumbsize' ), $thumbSizeId ) .
-                                       '</td>
-                                       <td class="mw-input">' .
-                                               Xml::openElement( 'select', array( 'name' => $thumbSizeId, 'id' => $thumbSizeId ) ) .
-                                               $imageThumbOptions .
-                                               Xml::closeElement( 'select' ) .
-                                       '</td>
-                               </tr>' .
-                       Xml::closeElement( 'table' ) .
-                       Xml::closeElement( 'fieldset' )
-               );
-
-               # Date format
-               #
-               # Date/Time
-               #
-
-               $wgOut->addHTML(
-                       Xml::openElement( 'fieldset' ) .
-                       Xml::element( 'legend', null, wfMsg( 'datetime' ) ) . "\n"
-               );
-
-               if ($dateopts) {
-                       $wgOut->addHTML(
-                               Xml::openElement( 'fieldset' ) .
-                               Xml::element( 'legend', null, wfMsg( 'dateformat' ) ) . "\n"
-                       );
-                       $idCnt = 0;
-                       $epoch = '20010115161234'; # Wikipedia day
-                       foreach( $dateopts as $key ) {
-                               if( $key == 'default' ) {
-                                       $formatted = wfMsg( 'datedefault' );
-                               } else {
-                                       $formatted = $wgLang->timeanddate( $epoch, false, $key );
-                               }
-                               $wgOut->addHTML(
-                                       Xml::tags( 'div', null,
-                                               Xml::radioLabel( $formatted, 'wpDate', $key, "wpDate$idCnt", $key == $this->mDate )
-                                       ) . "\n"
-                               );
-                               $idCnt++;
-                       }
-                       $wgOut->addHTML( Xml::closeElement( 'fieldset' ) . "\n" );
-               }
-
-               $nowlocal = Xml::openElement( 'span', array( 'id' => 'wpLocalTime' ) ) .
-                       $wgLang->time( $now = wfTimestampNow(), true ) .
-                       Xml::closeElement( 'span' );
-               $nowserver = $wgLang->time( $now, false ) .
-                       Xml::hidden( 'wpServerTime', substr( $now, 8, 2 ) * 60 + substr( $now, 10, 2 ) );
-
-               $wgOut->addHTML(
-                       Xml::openElement( 'fieldset' ) .
-                       Xml::element( 'legend', null, wfMsg( 'timezonelegend' ) ) .
-                       Xml::openElement( 'table' ) .
-                       $this->addRow( wfMsg( 'servertime' ), $nowserver ) .
-                       $this->addRow( wfMsg( 'localtime' ), $nowlocal )
-               );
-               $opt = Xml::openElement( 'select', array(
-                       'name' => 'wpTimeZone',
-                       'id' => 'wpTimeZone',
-                       'onchange' => 'javascript:updateTimezoneSelection(false)' ) );
-               $opt .= Xml::option( wfMsg( 'timezoneuseserverdefault' ), "System|$wgLocalTZoffset", $this->mTimeZone === "System|$wgLocalTZoffset" );
-               $opt .= Xml::option( wfMsg( 'timezoneuseoffset' ), 'Offset', $this->mTimeZone === 'Offset' );
-
-               if ( function_exists( 'timezone_identifiers_list' ) ) {
-                       # Read timezone list
-                       $tzs = timezone_identifiers_list();
-                       sort( $tzs );
-
-                       # Precache localized region names
-                       $tzRegions = array();
-                       $tzRegions['Africa'] = wfMsg( 'timezoneregion-africa' );
-                       $tzRegions['America'] = wfMsg( 'timezoneregion-america' );
-                       $tzRegions['Antarctica'] = wfMsg( 'timezoneregion-antarctica' );
-                       $tzRegions['Arctic'] = wfMsg( 'timezoneregion-arctic' );
-                       $tzRegions['Asia'] = wfMsg( 'timezoneregion-asia' );
-                       $tzRegions['Atlantic'] = wfMsg( 'timezoneregion-atlantic' );
-                       $tzRegions['Australia'] = wfMsg( 'timezoneregion-australia' );
-                       $tzRegions['Europe'] = wfMsg( 'timezoneregion-europe' );
-                       $tzRegions['Indian'] = wfMsg( 'timezoneregion-indian' );
-                       $tzRegions['Pacific'] = wfMsg( 'timezoneregion-pacific' );
-                       asort( $tzRegions );
-
-                       $selZone = explode( '|', $this->mTimeZone, 3 );
-                       $selZone = ( $selZone[0] == 'ZoneInfo' ) ? $selZone[2] : null;
-                       $now = date_create( 'now' );
-                       $optgroup = '';
-
-                       foreach ( $tzs as $tz ) {
-                               $z = explode( '/', $tz, 2 );
-
-                               # timezone_identifiers_list() returns a number of
-                               # backwards-compatibility entries. This filters them out of the 
-                               # list presented to the user.
-                               if ( count( $z ) != 2 || !array_key_exists( $z[0], $tzRegions ) )
-                                       continue;
-
-                               # Localize region
-                               $z[0] = $tzRegions[$z[0]];
-
-                               # Create region groups
-                               if ( $optgroup != $z[0] ) {
-                                       if ( $optgroup !== '' ) {
-                                               $opt .= Xml::closeElement( 'optgroup' );
-                                       }
-                                       $optgroup = $z[0];
-                                       $opt .= Xml::openElement( 'optgroup', array( 'label' => $z[0] ) ) . "\n";
-                               }
-
-                               $minDiff = floor( timezone_offset_get( timezone_open( $tz ), $now ) / 60 );
-                               $opt .= Xml::option( str_replace( '_', ' ', $z[0] . '/' . $z[1] ), "ZoneInfo|$minDiff|$tz", $selZone === $tz, array( 'label' => $z[1] ) ) . "\n";
-                       }
-                       if ( $optgroup !== '' ) $opt .= Xml::closeElement( 'optgroup' );
-               }
-               $opt .= Xml::closeElement( 'select' );
-               $wgOut->addHTML(
-                       $this->addRow(
-                               Xml::label( wfMsg( 'timezoneselect' ), 'wpTimeZone' ),
-                               $opt )
-               );
-               $wgOut->addHTML(
-                       $this->addRow(
-                               Xml::label( wfMsg( 'timezoneoffset' ), 'wpHourDiff'  ),
-                               Xml::input( 'wpHourDiff', 6, $this->mHourDiff, array(
-                                       'id' => 'wpHourDiff',
-                                       'onfocus' => 'javascript:updateTimezoneSelection(true)',
-                                       'onblur' => 'javascript:updateTimezoneSelection(false)' ) ) ) .
-                       "<tr>
-                               <td></td>
-                               <td class='mw-submit'>" .
-                                       Xml::element( 'input',
-                                               array( 'type' => 'button',
-                                                       'value' => wfMsg( 'guesstimezone' ),
-                                                       'onclick' => 'javascript:guessTimezone()',
-                                                       'id' => 'guesstimezonebutton',
-                                                       'style' => 'display:none;' ) ) .
-                               "</td>
-                       </tr>" .
-                       Xml::closeElement( 'table' ) .
-                       Xml::tags( 'div', array( 'class' => 'prefsectiontip' ), wfMsgExt( 'timezonetext', 'parseinline' ) ).
-                       Xml::closeElement( 'fieldset' ) .
-                       Xml::closeElement( 'fieldset' ) . "\n\n"
-               );
-
-               # Editing
-               #
-               global $wgLivePreview;
-               $wgOut->addHTML(
-                       Xml::fieldset( wfMsg( 'textboxsize' ) ) .
-                       wfMsgHTML( 'prefs-edit-boxsize' ) . ' ' .
-                       Xml::inputLabel( wfMsg( 'rows' ), 'wpRows', 'wpRows', 3, $this->mRows ) . ' ' .
-                       Xml::inputLabel( wfMsg( 'columns' ), 'wpCols', 'wpCols', 3, $this->mCols ) .
-                       $this->getToggles( array(
-                               'editsection',
-                               'editsectiononrightclick',
-                               'editondblclick',
-                               'editwidth',
-                               'showtoolbar',
-                               'previewonfirst',
-                               'previewontop',
-                               'minordefault',
-                               'externaleditor',
-                               'externaldiff',
-                               $wgLivePreview ? 'uselivepreview' : false,
-                               'forceeditsummary',
-                       ) )
-               );
-
-               $wgOut->addHTML( Xml::closeElement( 'fieldset' ) );
-
-               # Recent changes
-               global $wgRCMaxAge, $wgUseRCPatrol;
-               $wgOut->addHTML(
-                       Xml::fieldset( wfMsg( 'prefs-rc' ) ) .
-                       Xml::openElement( 'table' ) .
-                               '<tr>
-                                       <td class="mw-label">' .
-                                               Xml::label( wfMsg( 'recentchangesdays' ), 'wpRecentDays' ) .
-                                       '</td>
-                                       <td class="mw-input">' .
-                                               Xml::input( 'wpRecentDays', 3, $this->mRecentDays, array( 'id' => 'wpRecentDays' ) ) . ' ' .
-                                               wfMsgExt( 'recentchangesdays-max', 'parsemag',
-                                                       $wgLang->formatNum( ceil( $wgRCMaxAge / ( 3600 * 24 ) ) ) ) .
-                                       '</td>
-                               </tr><tr>
-                                       <td class="mw-label">' .
-                                               Xml::label( wfMsg( 'recentchangescount' ), 'wpRecent' ) .
-                                       '</td>
-                                       <td class="mw-input">' .
-                                               Xml::input( 'wpRecent', 3, $this->mRecent, array( 'id' => 'wpRecent' ) ) .
-                                       '</td>
-                               </tr>' .
-                       Xml::closeElement( 'table' ) .
-                       '<br />'
-               );
-
-               $toggles[] = 'hideminor';
-               if( $wgUseRCPatrol ) {
-                       $toggles[] = 'hidepatrolled';
-                       $toggles[] = 'newpageshidepatrolled';
-               }
-               if( $wgRCShowWatchingUsers ) $toggles[] = 'shownumberswatching';
-               $toggles[] = 'usenewrc';
-
-               $wgOut->addHTML(
-                       $this->getToggles( $toggles ) .
-                       Xml::closeElement( 'fieldset' )
-               );
-
-               # Watchlist
-               $watchlistToggles = array( 'watchlisthideminor', 'watchlisthidebots', 'watchlisthideown',
-                       'watchlisthideanons', 'watchlisthideliu' );
-               if( $wgUseRCPatrol ) $watchlistToggles[] = 'watchlisthidepatrolled';
-
-               $wgOut->addHTML( 
-                       Xml::fieldset( wfMsg( 'prefs-watchlist' ) ) .
-                       Xml::inputLabel( wfMsg( 'prefs-watchlist-days' ), 'wpWatchlistDays', 'wpWatchlistDays', 3, $this->mWatchlistDays ) . ' ' .
-                       wfMsgHTML( 'prefs-watchlist-days-max' ) .
-                       '<br /><br />' .
-                       $this->getToggle( 'extendwatchlist' ) .
-                       Xml::inputLabel( wfMsg( 'prefs-watchlist-edits' ), 'wpWatchlistEdits', 'wpWatchlistEdits', 3, $this->mWatchlistEdits ) . ' ' .
-                       wfMsgHTML( 'prefs-watchlist-edits-max' ) .
-                       '<br /><br />' .
-                       $this->getToggles( $watchlistToggles )
-               );
-
-               if( $wgUser->isAllowed( 'createpage' ) || $wgUser->isAllowed( 'createtalk' ) ) {
-                       $wgOut->addHTML( $this->getToggle( 'watchcreations' ) );
-               }
-
-               foreach( array( 'edit' => 'watchdefault', 'move' => 'watchmoves', 'delete' => 'watchdeletion' ) as $action => $toggle ) {
-                       if( $wgUser->isAllowed( $action ) )
-                               $wgOut->addHTML( $this->getToggle( $toggle ) );
-               }
-               $this->mUsedToggles['watchcreations'] = true;
-               $this->mUsedToggles['watchdefault'] = true;
-               $this->mUsedToggles['watchmoves'] = true;
-               $this->mUsedToggles['watchdeletion'] = true;
-
-               $wgOut->addHTML( Xml::closeElement( 'fieldset' ) );
-
-               # Search
-               $mwsuggest = $wgEnableMWSuggest ?
-                       $this->addRow(
-                               Xml::label( wfMsg( 'mwsuggest-disable' ), 'wpDisableMWSuggest' ),
-                               Xml::check( 'wpDisableMWSuggest', $this->mDisableMWSuggest, array( 'id' => 'wpDisableMWSuggest' ) )
-                       ) : '';
-               $wgOut->addHTML(
-                       // Elements for the search tab itself
-                       Xml::openElement( 'fieldset' ) .
-                       Xml::element( 'legend', null, wfMsg( 'searchresultshead' ) ) .
-                       // Elements for the search options in the search tab
-                       Xml::openElement( 'fieldset' ) .
-                       Xml::element( 'legend', null, wfMsg( 'prefs-searchoptions' ) ) .
-                       Xml::openElement( 'table' ) .
-                       $this->addRow(
-                               Xml::label( wfMsg( 'resultsperpage' ), 'wpSearch' ),
-                               Xml::input( 'wpSearch', 4, $this->mSearch, array( 'id' => 'wpSearch' ) )
-                       ) .
-                       $this->addRow(
-                               Xml::label( wfMsg( 'contextlines' ), 'wpSearchLines' ),
-                               Xml::input( 'wpSearchLines', 4, $this->mSearchLines, array( 'id' => 'wpSearchLines' ) )
-                       ) .
-                       $this->addRow(
-                               Xml::label( wfMsg( 'contextchars' ), 'wpSearchChars' ),
-                               Xml::input( 'wpSearchChars', 4, $this->mSearchChars, array( 'id' => 'wpSearchChars' ) )
-                       ) .
-                       $mwsuggest .
-                       Xml::closeElement( 'table' ) .
-                       Xml::closeElement( 'fieldset' ) .
-                       // Elements for the namespace options in the search tab
-                       Xml::openElement( 'fieldset' ) .
-                       Xml::element( 'legend', null, wfMsg( 'prefs-namespaces' ) ) .
-                       wfMsgExt( 'defaultns', array( 'parse' ) ) .
-                       $ps .
-                       Xml::closeElement( 'fieldset' ) .
-                       // End of the search tab
-                       Xml::closeElement( 'fieldset' )
-               );
-
-               # Misc
-               #
-               $uopt = $wgUser->getOption( 'underline' );
-               $wgOut->addHTML(
-                       Xml::fieldset( wfMsg( 'prefs-misc' ) ) .
-                       Xml::openElement( 'table' ) .
-                               '<tr>
-                                       <td class="mw-label">' .
-                                               // Xml::label() cannot be used because 'stub-threshold' contains plain HTML
-                                               Xml::tags( 'label', array( 'for' => 'wpStubs' ), wfMsg( 'stub-threshold' ) ) .
-                                       '</td>
-                                       <td class="mw-input">' .
-                                               Xml::input( 'wpStubs', 6, $this->mStubs, array( 'id' => 'wpStubs' ) ) .
-                                       '</td>
-                               </tr><tr>
-                                       <td class="mw-label">' .
-                                               Xml::label( wfMsg( 'tog-underline' ), 'wpOpunderline' ) .
-                                       '</td>
-                                       <td class="mw-input">' .
-                                               Xml::openElement( 'select', array( 'id' => 'wpOpunderline', 'name' => 'wpOpunderline' ) ) .
-                                               Xml::option( wfMsg ( 'underline-never' ), '0', $uopt == 0 ) .
-                                               Xml::option( wfMsg ( 'underline-always' ), '1', $uopt == 1 ) .
-                                               Xml::option( wfMsg ( 'underline-default' ), '2', $uopt == 2 ) .
-                                               Xml::closeElement( 'select' ) .
-                                       '</td>
-                               </tr>' .
-                       Xml::closeElement( 'table' )
-               );
-
-               # And now the rest = Misc.
-               foreach ( $togs as $tname ) {
-                       if( !array_key_exists( $tname, $this->mUsedToggles ) ) {
-                               if( $tname == 'norollbackdiff' && $wgUser->isAllowed( 'rollback' ) )
-                                       $wgOut->addHTML( $this->getToggle( $tname ) );
-                               else
-                                       $wgOut->addHTML( $this->getToggle( $tname ) );
-                       }
-               }
-
-               $wgOut->addHTML( '</fieldset>' );
-
-               wfRunHooks( 'RenderPreferencesForm', array( $this, $wgOut ) );
 
-               $token = htmlspecialchars( $wgUser->editToken() );
-               $skin = $wgUser->getSkin();
-               $rtl = $wgContLang->isRTL() ? 'left' : 'right';
-               $wgOut->addHTML( "
-       <table id='prefsubmit' cellpadding='0' width='100%' style='background:none;'><tr>
-               <td><input type='submit' name='wpSaveprefs' class='btnSavePrefs' value=\"" . wfMsgHtml( 'saveprefs' ) . 
-                       '"'.$skin->tooltipAndAccesskey('save')." />
-               <input type='submit' name='wpReset' value=\"" . wfMsgHtml( 'resetprefs' ) . "\" /></td>
-               <td align='$rtl'><input type='submit' name='wpRestore' value=\"" . wfMsgHtml( 'restoreprefs' ) . "\" /></td>
-       </tr></table>
+               $url = SpecialPage::getTitleFor( 'Preferences' )->getFullURL( 'success' );
 
-       <input type='hidden' name='wpEditToken' value=\"{$token}\" />
-       </div></form>\n" );
+               $wgOut->redirect( $url );
 
-               $wgOut->addHTML( Xml::tags( 'div', array( 'class' => "prefcache" ),
-                       wfMsgExt( 'clearyourcache', 'parseinline' ) )
-               );
+               return true;
        }
 }