includes/Preferences.php

   1 <?php
   2
   3 class Preferences {
   4         static $defaultPreferences = null;
   5         static $saveFilters =
   6                 array(
   7                         'timecorrection' => array( 'Preferences', 'filterTimezoneInput' ),
   8                 );
   9
  10         static function getPreferences( $user ) {
  11                 if (self::$defaultPreferences)
  12                         return self::$defaultPreferences;
  13
  14                 global $wgRCMaxAge;
  15
  16                 $defaultPreferences = array();
  17
  18                 self::profilePreferences( $user, $defaultPreferences );
  19                 self::skinPreferences( $user, $defaultPreferences );
  20                 self::filesPreferences( $user, $defaultPreferences );
  21                 self::mathPreferences( $user, $defaultPreferences );
  22                 self::datetimePreferences( $user, $defaultPreferences );
  23                 self::renderingPreferences( $user, $defaultPreferences );
  24                 self::editingPreferences( $user, $defaultPreferences );
  25                 self::rcPreferences( $user, $defaultPreferences );
  26                 self::watchlistPreferences( $user, $defaultPreferences );
  27                 self::searchPreferences( $user, $defaultPreferences );
  28                 self::miscPreferences( $user, $defaultPreferences );
  29
  30                 wfRunHooks( 'GetPreferences', array( $user, &$defaultPreferences ) );
  31
  32                 ## Remove preferences that wikis don't want to use
  33                 global $wgHiddenPrefs;
  34                 foreach ( $wgHiddenPrefs as $pref ) {
  35                         if ( isset( $defaultPreferences[$pref] ) ) {
  36                                 unset( $defaultPreferences[ $pref ] );
  37                         }
  38                 }
  39
  40                 ## Prod in defaults from the user
  41                 global $wgDefaultUserOptions;
  42                 foreach( $defaultPreferences as $name => &$info ) {
  43                         $prefFromUser = self::getOptionFromUser( $name, $info, $user );
  44                         $field = HTMLForm::loadInputFromParameters( $info ); // For validation
  45                         $globalDefault = isset($wgDefaultUserOptions[$name])
  46                                                                 ? $wgDefaultUserOptions[$name]
  47                                                                 : null;
  48
  49                         // If it validates, set it as the default
  50                         if ( isset($info['default']) ) {
  51                                 // Already set, no problem
  52                                 continue;
  53                         } elseif ( !is_null( $prefFromUser ) && // Make sure we're not just pulling nothing
  54                                         $field->validate( $prefFromUser, $user->mOptions ) ) {
  55                                 $info['default'] = $prefFromUser;
  56                         } elseif( $field->validate( $globalDefault, $user->mOptions ) ) {
  57                                 $info['default'] = $globalDefault;
  58                         }
  59                 }
  60
  61                 self::$defaultPreferences = $defaultPreferences;
  62
  63                 return $defaultPreferences;
  64         }
  65
  66         // Pull option from a user account. Handles stuff like array-type preferences.
  67         static function getOptionFromUser( $name, $info, $user ) {
  68                 $val = $user->getOption( $name );
  69
  70                 // Handling for array-type preferences
  71                 if ( ( isset($info['type']) && $info['type'] == 'multiselect' ) ||
  72                                 ( isset($info['class']) && $info['class'] == 'HTMLMultiSelectField' ) ) {
  73
  74                         $options = HTMLFormField::flattenOptions($info['options']);
  75                         $prefix = isset($info['prefix']) ? $info['prefix'] : $name;
  76                         $val = array();
  77
  78                         foreach( $options as $label => $value ) {
  79                                 if ($user->getOption( "$prefix$value" ) ) {
  80                                         $val[] = $value;
  81                                 }
  82                         }
  83                 }
  84
  85                 return $val;
  86         }
  87
  88         static function profilePreferences( $user, &$defaultPreferences ) {
  89                 global $wgLang;
  90                 ## User info #####################################
  91                 // Information panel
  92                 $defaultPreferences['username'] =
  93                                 array(
  94                                         'type' => 'info',
  95                                         'label-message' => 'username',
  96                                         'default' => $user->getName(),
  97                                         'section' => 'personal/info',
  98                                 );
  99
 100                 $defaultPreferences['userid'] =
 101                                 array(
 102                                         'type' => 'info',
 103                                         'label-message' => 'uid',
 104                                         'default' => $user->getId(),
 105                                         'section' => 'personal/info',
 106                                 );
 107
 108                 # Get groups to which the user belongs
 109                 $userEffectiveGroups = $user->getEffectiveGroups();
 110                 $userEffectiveGroupsArray = array();
 111                 foreach( $userEffectiveGroups as $ueg ) {
 112                         if( $ueg == '*' ) {
 113                                 // Skip the default * group, seems useless here
 114                                 continue;
 115                         }
 116                         $userEffectiveGroupsArray[] = User::makeGroupLinkHTML( $ueg );
 117                 }
 118                 asort( $userEffectiveGroupsArray );
 119
 120                 $defaultPreferences['usergroups'] =
 121                                 array(
 122                                         'type' => 'info',
 123                                         'label' => wfMsgExt( 'prefs-memberingroups', 'parseinline',
 124                                                                 count($userEffectiveGroupsArray) ),
 125                                         'default' => $wgLang->commaList( $userEffectiveGroupsArray ),
 126                                         'raw' => true,
 127                                         'section' => 'personal/info',
 128                                 );
 129
 130                 $defaultPreferences['editcount'] =
 131                                 array(
 132                                         'type' => 'info',
 133                                         'label-message' => 'prefs-edits',
 134                                         'default' => $user->getEditCount(),
 135                                         'section' => 'personal/info',
 136                                 );
 137
 138                 if ($user->getRegistration()) {
 139                         $defaultPreferences['registrationdate'] =
 140                                         array(
 141                                                 'type' => 'info',
 142                                                 'label-message' => 'prefs-registration',
 143                                                 'default' => $wgLang->timeanddate( $user->getRegistration() ),
 144                                                 'section' => 'personal/info',
 145                                         );
 146                 }
 147
 148                 // Actually changeable stuff
 149                 global $wgAuth;
 150                 $defaultPreferences['realname'] =
 151                                 array(
 152                                         'type' => $wgAuth->allowPropChange( 'realname' ) ? 'text' : 'info',
 153                                         'default' => $user->getRealName(),
 154                                         'section' => 'personal/info',
 155                                         'label-message' => 'yourrealname',
 156                                         'help-message' => 'prefs-help-realname',
 157                                 );
 158
 159                 $defaultPreferences['gender'] =
 160                                 array(
 161                                         'type' => 'select',
 162                                         'section' => 'personal/info',
 163                                         'options' => array(
 164                                                 wfMsg('gender-male') => 'male',
 165                                                 wfMsg('gender-female') => 'female',
 166                                                 wfMsg('gender-unknown') => 'unknown',
 167                                         ),
 168                                         'label-message' => 'yourgender',
 169                                         'help-message' => 'prefs-help-gender',
 170                                 );
 171
 172                 if ($wgAuth->allowPasswordChange()) {
 173                         global $wgUser; // For skin.
 174                         $link = $wgUser->getSkin()->link( SpecialPage::getTitleFor( 'Resetpass' ),
 175                                 wfMsgHtml( 'prefs-resetpass' ), array() ,
 176                                 array('returnto' => SpecialPage::getTitleFor( 'Preferences') ) );
 177
 178                         $defaultPreferences['password'] =
 179                                         array(
 180                                                 'type' => 'info',
 181                                                 'raw' => true,
 182                                                 'default' => $link,
 183                                                 'label-message' => 'yourpassword',
 184                                                 'section' => 'personal/info',
 185                                         );
 186                 }
 187
 188                 $defaultPreferences['rememberpassword'] =
 189                                 array(
 190                                         'type' => 'toggle',
 191                                         'label-message' => 'tog-rememberpassword',
 192                                         'section' => 'personal/info',
 193                                 );
 194
 195                 // Language
 196                 global $wgContLanguageCode;
 197                 $languages = array_reverse( Language::getLanguageNames( false ) );
 198                 if( !array_key_exists( $wgContLanguageCode, $languages ) ) {
 199                         $languages[$wgContLanguageCode] = $wgContLanguageCode;
 200                 }
 201                 ksort( $languages );
 202
 203                 $options = array();
 204                 foreach( $languages as $code => $name ) {
 205                         $display = "$code - $name";
 206                         $options[$display] = $code;
 207                 }
 208                 $defaultPreferences['language'] =
 209                                 array(
 210                                         'type' => 'select',
 211                                         'section' => 'personal/i18n',
 212                                         'options' => $options,
 213                                         'label-message' => 'yourlanguage',
 214                                 );
 215
 216                 global $wgContLang, $wgDisableLangConversion;
 217                 /* see if there are multiple language variants to choose from*/
 218                 $variantArray = array();
 219                 if(!$wgDisableLangConversion) {
 220                         $variants = $wgContLang->getVariants();
 221
 222                         $languages = Language::getLanguageNames( true );
 223                         foreach($variants as $v) {
 224                                 $v = str_replace( '_', '-', strtolower($v));
 225                                 if( array_key_exists( $v, $languages ) ) {
 226                                         // If it doesn't have a name, we'll pretend it doesn't exist
 227                                         $variantArray[$v] = $languages[$v];
 228                                 }
 229                         }
 230
 231                         $options = array();
 232                         foreach( $variantArray as $code => $name ) {
 233                                 $display = "$code - $name";
 234                                 $options[$display] = $code;
 235                         }
 236
 237                         if(count($variantArray) > 1) {
 238                                 $defaultPreferences['variant'] =
 239                                         array(
 240                                                 'label-message' => 'yourvariant',
 241                                                 'type' => 'select',
 242                                                 'options' => $options,
 243                                                 'section' => 'personal/i18n',
 244                                         );
 245                         }
 246                 }
 247
 248                 if( count($variantArray) > 1 && !$wgDisableLangConversion && !$wgDisableTitleConversion ) {
 249                         $defaultPreferences['noconvertlink'] =
 250                                         array(
 251                                                 'type' => 'toggle',
 252                                                 'section' => 'personal/i18n',
 253                                                 'label-message' => 'tog-noconvertlink',
 254                                         );
 255                 }
 256
 257                 global $wgMaxSigChars;
 258                 $defaultPreferences['nickname'] =
 259                                 array(
 260                                         'type' => $wgAuth->allowPropChange( 'nickname' ) ? 'text' : 'info',
 261                                         'maxlength' => $wgMaxSigChars,
 262                                         'label-message' => 'yournick',
 263                                         'validation-callback' =>
 264                                                 array( 'Preferences', 'validateSignature' ),
 265                                         'section' => 'personal/signature',
 266                                         'filter-callback' => array( 'Preferences', 'cleanSignature' ),
 267                                 );
 268                 $defaultPreferences['fancysig'] =
 269                                 array(
 270                                         'type' => 'toggle',
 271                                         'label-message' => 'tog-fancysig',
 272                                         'section' => 'personal/signature'
 273                                 );
 274
 275                 ## Email stuff
 276
 277                 global $wgEmailConfirmToEdit;
 278
 279                 $defaultPreferences['emailaddress'] =
 280                                 array(
 281                                         'type' => $wgAuth->allowPropChange( 'emailaddress' ) ? 'text' : 'info',
 282                                         'default' => $user->getEmail(),
 283                                         'section' => 'personal/email',
 284                                         'label-message' => 'youremail',
 285                                         'help-message' => $wgEmailConfirmToEdit
 286                                                                                 ? 'prefs-help-email-required'
 287                                                                                 : 'prefs-help-email',
 288                                         'validation-callback' => array( 'Preferences', 'validateEmail' ),
 289                                 );
 290
 291                 global $wgEnableEmail, $wgEnableUserEmail, $wgEmailAuthentication;
 292
 293                 $disableEmailPrefs = false;
 294
 295                 if ( $wgEmailAuthentication ) {
 296                         if ( $user->getEmail() ) {
 297                                 if( $user->getEmailAuthenticationTimestamp() ) {
 298                                         // date and time are separate parameters to facilitate localisation.
 299                                         // $time is kept for backward compat reasons.
 300                                         // 'emailauthenticated' is also used in SpecialConfirmemail.php
 301                                         $time = $wgLang->timeAndDate( $user->getEmailAuthenticationTimestamp(), true );
 302                                         $d = $wgLang->date( $user->getEmailAuthenticationTimestamp(), true );
 303                                         $t = $wgLang->time( $user->getEmailAuthenticationTimestamp(), true );
 304                                         $emailauthenticated = htmlspecialchars(wfMsg('emailauthenticated', $time, $d, $t )).'<br />';
 305                                         $disableEmailPrefs = false;
 306                                 } else {
 307                                         $disableEmailPrefs = true;
 308                                         global $wgUser; // wgUser is okay here, it's for display
 309                                         $skin = $wgUser->getSkin();
 310                                         $emailauthenticated = wfMsgHtml('emailnotauthenticated').'<br />' .
 311                                                 $skin->makeKnownLinkObj( SpecialPage::getTitleFor( 'Confirmemail' ),
 312                                                         wfMsg( 'emailconfirmlink' ) ) . '<br />';
 313                                 }
 314                         } else {
 315                                 $disableEmailPrefs = true;
 316                                 $emailauthenticated = wfMsgHtml( 'noemailprefs' );
 317                         }
 318
 319                         $defaultPreferences['emailauthentication'] =
 320                                         array(
 321                                                 'type' => 'info',
 322                                                 'raw' => true,
 323                                                 'section' => 'personal/email',
 324                                                 'label-message' => 'prefs-emailconfirm-label',
 325                                                 'default' => $emailauthenticated,
 326                                         );
 327
 328                 }
 329
 330                 if ($wgEnableEmail) {
 331                         if ($wgEnableUserEmail) {
 332                                 $defaultPreferences['disablemail'] =
 333                                                 array(
 334                                                         'type' => 'toggle',
 335                                                         'invert' => true,
 336                                                         'section' => 'personal/email',
 337                                                         'label-message' => 'allowemail',
 338                                                         'disabled' => $disableEmailPrefs,
 339                                                 );
 340                                 $defaultPreferences['ccmeonemails'] =
 341                                                 array(
 342                                                         'type' => 'toggle',
 343                                                         'section' => 'personal/email',
 344                                                         'label-message' => 'tog-ccmeonemails',
 345                                                         'disabled' => $disableEmailPrefs,
 346                                                 );
 347                         }
 348
 349                         $defaultPreferences['enotifwatchlistpages'] =
 350                                         array(
 351                                                 'type' => 'toggle',
 352                                                 'section' => 'personal/email',
 353                                                 'label-message' => 'tog-enotifwatchlistpages',
 354                                                 'disabled' => $disableEmailPrefs,
 355                                         );
 356                         $defaultPreferences['enotifusertalkpages'] =
 357                                         array(
 358                                                 'type' => 'toggle',
 359                                                 'section' => 'personal/email',
 360                                                 'label-message' => 'tog-enotifusertalkpages',
 361                                                 'disabled' => $disableEmailPrefs,
 362                                         );
 363                         $defaultPreferences['enotifminoredits'] =
 364                                         array(
 365                                                 'type' => 'toggle',
 366                                                 'section' => 'personal/email',
 367                                                 'label-message' => 'tog-enotifminoredits',
 368                                                 'disabled' => $disableEmailPrefs,
 369                                         );
 370                         $defaultPreferences['enotifrevealaddr'] =
 371                                         array(
 372                                                 'type' => 'toggle',
 373                                                 'section' => 'personal/email',
 374                                                 'label-message' => 'tog-enotifrevealaddr',
 375                                                 'disabled' => $disableEmailPrefs,
 376                                         );
 377                 }
 378         }
 379
 380         static function skinPreferences( $user, &$defaultPreferences ) {
 381                 ## Skin #####################################
 382                 global $wgAllowUserSkin, $wgLang;
 383
 384                 if ($wgAllowUserSkin) {
 385                         $defaultPreferences['skin'] =
 386                                         array(
 387                                                 'type' => 'radio',
 388                                                 'options' => self::generateSkinOptions( $user ),
 389                                                 'label' => '&nbsp;',
 390                                                 'section' => 'rendering/skin',
 391                                         );
 392                 }
 393
 394                 $selectedSkin = $user->getOption( 'skin' );
 395                 if ( in_array( $selectedSkin, array( 'cologneblue', 'standard' ) ) ) {
 396                         $settings = array_flip($wgLang->getQuickbarSettings());
 397
 398                         $defaultPreferences['quickbar'] =
 399                                 array(
 400                                         'type' => 'radio',
 401                                         'options' => $settings,
 402                                         'section' => 'rendering/skin',
 403                                         'label-message' => 'qbsettings',
 404                                 );
 405                 }
 406         }
 407
 408         static function mathPreferences( $user, &$defaultPreferences ) {
 409                 ## Math #####################################
 410                 global $wgUseTeX, $wgLang;
 411                 if ($wgUseTeX) {
 412                         $defaultPreferences['math'] =
 413                                         array(
 414                                                 'type' => 'radio',
 415                                                 'options' =>
 416                                                         array_flip( array_map( 'wfMsgHtml', $wgLang->getMathNames() ) ),
 417                                                 'label' => '&nbsp;',
 418                                                 'section' => 'rendering/math',
 419                                         );
 420                 }
 421         }
 422
 423         static function filesPreferences( $user, &$defaultPreferences ) {
 424                 ## Files #####################################
 425                 $defaultPreferences['imagesize'] =
 426                                 array(
 427                                         'type' => 'select',
 428                                         'options' => self::getImageSizes(),
 429                                         'label-message' => 'imagemaxsize',
 430                                         'section' => 'rendering/files',
 431                                 );
 432                 $defaultPreferences['thumbsize'] =
 433                                 array(
 434                                         'type' => 'select',
 435                                         'options' => self::getThumbSizes(),
 436                                         'label-message' => 'thumbsize',
 437                                         'section' => 'rendering/files',
 438                                 );
 439         }
 440
 441         static function datetimePreferences( $user, &$defaultPreferences ) {
 442                 global $wgLang;
 443
 444                 ## Date and time #####################################
 445                 $dateOptions = self::getDateOptions();
 446                 if ($dateOptions) {
 447                         $defaultPreferences['date'] =
 448                                         array(
 449                                                 'type' => 'radio',
 450                                                 'options' => $dateOptions,
 451                                                 'label' => '&nbsp;',
 452                                                 'section' => 'datetime/dateformat',
 453                                         );
 454                 }
 455
 456                 // Info
 457                 $nowlocal = Xml::element( 'span', array( 'id' => 'wpLocalTime' ),
 458                         $wgLang->time( $now = wfTimestampNow(), true ) );
 459                 $nowserver = $wgLang->time( $now, false ) .
 460                         Xml::hidden( 'wpServerTime', substr( $now, 8, 2 ) * 60 + substr( $now, 10, 2 ) );
 461
 462                 $defaultPreferences['nowserver'] =
 463                                 array(
 464                                         'type' => 'info',
 465                                         'raw' => 1,
 466                                         'label-message' => 'servertime',
 467                                         'default' => $nowserver,
 468                                         'section' => 'datetime/timeoffset',
 469                                 );
 470
 471                 $defaultPreferences['nowlocal'] =
 472                                 array(
 473                                         'type' => 'info',
 474                                         'raw' => 1,
 475                                         'label-message' => 'localtime',
 476                                         'default' => $nowlocal,
 477                                         'section' => 'datetime/timeoffset',
 478                                 );
 479
 480                 // Grab existing pref.
 481                 $tzOffset = $user->getOption( 'timecorrection' );
 482                 $tz = explode( '|', $tzOffset, 2 );
 483
 484                 $tzSetting = $tzOffset;
 485                 if (count($tz) > 1 && $tz[0] == 'Offset') {
 486                         $minDiff = $tz[1];
 487                         $tzSetting = sprintf( '%+03d:%02d', floor($minDiff/60), abs($minDiff)%60 );;
 488                 }
 489
 490                 $defaultPreferences['timecorrection'] =
 491                                 array(
 492                                         'class' => 'HTMLSelectOrOtherField',
 493                                         'label-message' => 'timezonelegend',
 494                                         'options' => self::getTimezoneOptions(),
 495                                         'default' => $tzSetting,
 496                                         'section' => 'datetime/timeoffset',
 497                                 );
 498         }
 499
 500         static function renderingPreferences( $user, &$defaultPreferences ) {
 501                 ## Page Rendering ##############################
 502                 $defaultPreferences['underline'] =
 503                                 array(
 504                                         'type' => 'select',
 505                                         'options' => array(
 506                                                 wfMsg( 'underline-never' ) => 0,
 507                                                 wfMsg( 'underline-always' ) => 1,
 508                                                 wfMsg( 'underline-default' ) => 2,
 509                                         ),
 510                                         'label-message' => 'tog-underline',
 511                                         'section' => 'rendering/advancedrendering',
 512                                 );
 513
 514                 $stubThresholdValues = array( 0, 50, 100, 500, 1000, 2000, 5000, 10000 );
 515                 $stubThresholdOptions = array();
 516                 foreach( $stubThresholdValues as $value ) {
 517                         $stubThresholdOptions[wfMsg( 'size-bytes', $value )] = $value;
 518                 }
 519
 520                 $defaultPreferences['stubthreshold'] =
 521                                 array(
 522                                         'type' => 'selectorother',
 523                                         'section' => 'rendering/advancedrendering',
 524                                         'options' => $stubThresholdOptions,
 525                                         'label' => wfMsg('stub-threshold'), // Raw HTML message. Yay?
 526                                 );
 527                 $defaultPreferences['highlightbroken'] =
 528                                 array(
 529                                         'type' => 'toggle',
 530                                         'section' => 'rendering/advancedrendering',
 531                                         'label' => wfMsg('tog-highlightbroken'), // Raw HTML
 532                                 );
 533                 $defaultPreferences['showtoc'] =
 534                                 array(
 535                                         'type' => 'toggle',
 536                                         'section' => 'rendering/advancedrendering',
 537                                         'label-message' => 'tog-showtoc',
 538                                 );
 539                 $defaultPreferences['nocache'] =
 540                                 array(
 541                                         'type' => 'toggle',
 542                                         'label-message' => 'tog-nocache',
 543                                         'section' => 'rendering/advancedrendering',
 544                                 );
 545                 $defaultPreferences['showhiddencats'] =
 546                                 array(
 547                                         'type' => 'toggle',
 548                                         'section' => 'rendering/advancedrendering',
 549                                         'label-message' => 'tog-showhiddencats'
 550                                 );
 551                 $defaultPreferences['showjumplinks'] =
 552                                 array(
 553                                         'type' => 'toggle',
 554                                         'section' => 'rendering/advancedrendering',
 555                                         'label-message' => 'tog-showjumplinks',
 556                                 );
 557                 $defaultPreferences['justify'] =
 558                                 array(
 559                                         'type' => 'toggle',
 560                                         'section' => 'rendering/advancedrendering',
 561                                         'label-message' => 'tog-justify',
 562                                 );
 563                 $defaultPreferences['numberheadings'] =
 564                                 array(
 565                                         'type' => 'toggle',
 566                                         'section' => 'rendering/advancedrendering',
 567                                         'label-message' => 'tog-numberheadings',
 568                                 );
 569         }
 570
 571         static function editingPreferences( $user, &$defaultPreferences ) {
 572                 ## Editing #####################################
 573                 $defaultPreferences['cols'] =
 574                                 array(
 575                                         'type' => 'int',
 576                                         'label-message' => 'columns',
 577                                         'section' => 'editing/textboxsize',
 578                                         'min' => 4,
 579                                         'max' => 1000,
 580                                 );
 581                 $defaultPreferences['rows'] =
 582                                 array(
 583                                         'type' => 'int',
 584                                         'label-message' => 'rows',
 585                                         'section' => 'editing/textboxsize',
 586                                         'min' => 4,
 587                                         'max' => 1000,
 588                                 );
 589                 $defaultPreferences['previewontop'] =
 590                                 array(
 591                                         'type' => 'toggle',
 592                                         'section' => 'editing/advancedediting',
 593                                         'label-message' => 'tog-previewontop',
 594                                 );
 595                 $defaultPreferences['previewonfirst'] =
 596                                 array(
 597                                         'type' => 'toggle',
 598                                         'section' => 'editing/advancedediting',
 599                                         'label-message' => 'tog-previewonfirst',
 600                                 );
 601                 $defaultPreferences['editsection'] =
 602                                 array(
 603                                         'type' => 'toggle',
 604                                         'section' => 'editing/advancedediting',
 605                                         'label-message' => 'tog-editsection',
 606                                 );
 607                 $defaultPreferences['editsectiononrightclick'] =
 608                                 array(
 609                                         'type' => 'toggle',
 610                                         'section' => 'editing/advancedediting',
 611                                         'label-message' => 'tog-editsectiononrightclick',
 612                                 );
 613                 $defaultPreferences['editondblclick'] =
 614                                 array(
 615                                         'type' => 'toggle',
 616                                         'section' => 'editing/advancedediting',
 617                                         'label-message' => 'tog-editondblclick',
 618                                 );
 619                 $defaultPreferences['editwidth'] =
 620                                 array(
 621                                         'type' => 'toggle',
 622                                         'section' => 'editing/advancedediting',
 623                                         'label-message' => 'tog-editwidth',
 624                                 );
 625                 $defaultPreferences['showtoolbar'] =
 626                                 array(
 627                                         'type' => 'toggle',
 628                                         'section' => 'editing/advancedediting',
 629                                         'label-message' => 'tog-showtoolbar',
 630                                 );
 631                 $defaultPreferences['minordefault'] =
 632                                 array(
 633                                         'type' => 'toggle',
 634                                         'section' => 'editing/advancedediting',
 635                                         'label-message' => 'tog-minordefault',
 636                                 );
 637                 $defaultPreferences['externaleditor'] =
 638                                 array(
 639                                         'type' => 'toggle',
 640                                         'section' => 'editing/advancedediting',
 641                                         'label-message' => 'tog-externaleditor',
 642                                 );
 643                 $defaultPreferences['externaldiff'] =
 644                                 array(
 645                                         'type' => 'toggle',
 646                                         'section' => 'editing/advancedediting',
 647                                         'label-message' => 'tog-externaldiff',
 648                                 );
 649                 $defaultPreferences['forceeditsummary'] =
 650                                 array(
 651                                         'type' => 'toggle',
 652                                         'section' => 'editing/advancedediting',
 653                                         'label-message' => 'tog-forceeditsummary',
 654                                 );
 655                 $defaultPreferences['uselivepreview'] =
 656                                 array(
 657                                         'type' => 'toggle',
 658                                         'section' => 'editing/advancedediting',
 659                                         'label-message' => 'tog-uselivepreview',
 660                                 );
 661         }
 662
 663         static function rcPreferences( $user, &$defaultPreferences ) {
 664                 global $wgRCMaxAge, $wgUseRCPatrol;
 665                 ## RecentChanges #####################################
 666                 $defaultPreferences['rcdays'] =
 667                                 array(
 668                                         'type' => 'int',
 669                                         'label-message' => 'recentchangesdays',
 670                                         'section' => 'rc/display',
 671                                         'min' => 1,
 672                                         'max' => ceil($wgRCMaxAge / (3600*24)),
 673                                 );
 674                 $defaultPreferences['rclimit'] =
 675                                 array(
 676                                         'type' => 'int',
 677                                         'label-message' => 'recentchangescount',
 678                                         'help-message' => 'prefs-help-recentchangescount',
 679                                         'section' => 'rc/display',
 680                                 );
 681                 $defaultPreferences['usenewrc'] =
 682                                 array(
 683                                         'type' => 'toggle',
 684                                         'label-message' => 'tog-usenewrc',
 685                                         'section' => 'rc/advancedrc',
 686                                 );
 687                 $defaultPreferences['hideminor'] =
 688                                 array(
 689                                         'type' => 'toggle',
 690                                         'label-message' => 'tog-hideminor',
 691                                         'section' => 'rc/advancedrc',
 692                                 );
 693
 694                 global $wgUseRCPatrol;
 695                 if ($wgUseRCPatrol) {
 696                         $defaultPreferences['hidepatrolled'] =
 697                                         array(
 698                                                 'type' => 'toggle',
 699                                                 'section' => 'rc/advancedrc',
 700                                                 'label-message' => 'tog-hidepatrolled',
 701                                         );
 702                         $defaultPreferences['newpageshidepatrolled'] =
 703                                         array(
 704                                                 'type' => 'toggle',
 705                                                 'section' => 'rc/advancedrc',
 706                                                 'label-message' => 'tog-newpageshidepatrolled',
 707                                         );
 708                 }
 709
 710                 global $wgRCShowWatchingUsers;
 711                 if ($wgRCShowWatchingUsers) {
 712                         $defaultPreferences['shownumberswatching'] =
 713                                         array(
 714                                                 'type' => 'toggle',
 715                                                 'section' => 'rc/advancedrc',
 716                                                 'label-message' => 'tog-shownumberswatching',
 717                                         );
 718                 }
 719         }
 720
 721         static function watchlistPreferences( $user, &$defaultPreferences ) {
 722                 global $wgUseRCPatrol;
 723                 ## Watchlist #####################################
 724                 $defaultPreferences['watchlistdays'] =
 725                                 array(
 726                                         'type' => 'int',
 727                                         'min' => 0,
 728                                         'max' => 7,
 729                                         'section' => 'watchlist/display',
 730                                         'label-message' => 'prefs-watchlist-days',
 731                                 );
 732                 $defaultPreferences['wllimit'] =
 733                                 array(
 734                                         'type' => 'int',
 735                                         'min' => 0,
 736                                         'max' => 1000,
 737                                         'label-message' => 'prefs-watchlist-edits',
 738                                         'section' => 'watchlist/display'
 739                                 );
 740                 $defaultPreferences['extendwatchlist'] =
 741                                 array(
 742                                         'type' => 'toggle',
 743                                         'section' => 'watchlist/advancedwatchlist',
 744                                         'label-message' => 'tog-extendwatchlist',
 745                                 );
 746                 $defaultPreferences['watchlisthideminor'] =
 747                                 array(
 748                                         'type' => 'toggle',
 749                                         'section' => 'watchlist/advancedwatchlist',
 750                                         'label-message' => 'tog-watchlisthideminor',
 751                                 );
 752                 $defaultPreferences['watchlisthidebots'] =
 753                                 array(
 754                                         'type' => 'toggle',
 755                                         'section' => 'watchlist/advancedwatchlist',
 756                                         'label-message' => 'tog-watchlisthidebots',
 757                                 );
 758                 $defaultPreferences['watchlisthideown'] =
 759                                 array(
 760                                         'type' => 'toggle',
 761                                         'section' => 'watchlist/advancedwatchlist',
 762                                         'label-message' => 'tog-watchlisthideown',
 763                                 );
 764                 $defaultPreferences['watchlisthideanons'] =
 765                                 array(
 766                                         'type' => 'toggle',
 767                                         'section' => 'watchlist/advancedwatchlist',
 768                                         'label-message' => 'tog-watchlisthideanons',
 769                                 );
 770                 $defaultPreferences['watchlisthideliu'] =
 771                                 array(
 772                                         'type' => 'toggle',
 773                                         'section' => 'watchlist/advancedwatchlist',
 774                                         'label-message' => 'tog-watchlisthideliu',
 775                                 );
 776
 777                 if ( $wgUseRCPatrol ) {
 778                         $defaultPreferences['watchlisthidepatrolled'] =
 779                                         array(
 780                                                 'type' => 'toggle',
 781                                                 'section' => 'watchlist/advancedwatchlist',
 782                                                 'label-message' => 'tog-watchlisthidepatrolled',
 783                                         );
 784                 }
 785
 786                 $watchTypes = array( 'edit' => 'watchdefault',
 787                                                                 'move' => 'watchmoves',
 788                                                                 'delete' => 'watchdeletion' );
 789
 790                 // Kinda hacky
 791                 if( $user->isAllowed( 'createpage' ) || $user->isAllowed( 'createtalk' ) ) {
 792                         $watchTypes['read'] = 'watchcreations';
 793                 }
 794
 795                 foreach( $watchTypes as $action => $pref ) {
 796                         if ( $user->isAllowed( $action ) ) {
 797                                 $defaultPreferences[$pref] = array(
 798                                         'type' => 'toggle',
 799                                         'section' => 'watchlist/advancedwatchlist',
 800                                         'label-message' => "tog-$pref",
 801                                 );
 802                         }
 803                 }
 804         }
 805
 806         static function searchPreferences( $user, &$defaultPreferences ) {
 807                 global $wgContLang;
 808
 809                 ## Search #####################################
 810                 $defaultPreferences['searchlimit'] =
 811                                 array(
 812                                         'type' => 'int',
 813                                         'label-message' => 'resultsperpage',
 814                                         'section' => 'searchoptions/display',
 815                                         'min' => 0,
 816                                 );
 817                 $defaultPreferences['contextlines'] =
 818                                 array(
 819                                         'type' => 'int',
 820                                         'label-message' => 'contextlines',
 821                                         'section' => 'searchoptions/display',
 822                                         'min' => 0,
 823                                 );
 824                 $defaultPreferences['contextchars'] =
 825                                 array(
 826                                         'type' => 'int',
 827                                         'label-message' => 'contextchars',
 828                                         'section' => 'searchoptions/display',
 829                                         'min' => 0,
 830                                 );
 831                 global $wgEnableMWSuggest;
 832                 if ($wgEnableMWSuggest) {
 833                         $defaultPreferences['disablesuggest'] =
 834                                         array(
 835                                                 'type' => 'toggle',
 836                                                 'label-message' => 'mwsuggest-disable',
 837                                                 'section' => 'searchoptions/display',
 838                                         );
 839                 }
 840
 841                 // Searchable namespaces back-compat with old format
 842                 $searchableNamespaces = SearchEngine::searchableNamespaces();
 843
 844                 $nsOptions = array();
 845                 foreach( $wgContLang->getNamespaces() as $ns => $name ) {
 846                         if ($ns < 0) continue;
 847                         $displayNs = str_replace( '_', ' ', $name );
 848
 849                         if (!$displayNs) $displayNs = wfMsg( 'blanknamespace' );
 850
 851                         $displayNs = htmlspecialchars( $displayNs );
 852                         $nsOptions[$displayNs] = $ns;
 853                 }
 854
 855                 $defaultPreferences['searchnamespaces'] =
 856                                 array(
 857                                         'type' => 'multiselect',
 858                                         'label-message' => 'defaultns',
 859                                         'options' => $nsOptions,
 860                                         'section' => 'searchoptions/advancedsearchoptions',
 861                                         'prefix' => 'searchNs',
 862                                 );
 863         }
 864
 865         static function miscPreferences( $user, &$defaultPreferences ) {
 866                 ## Misc #####################################
 867                 $defaultPreferences['diffonly'] =
 868                                 array(
 869                                         'type' => 'toggle',
 870                                         'section' => 'misc/diffs',
 871                                         'label-message' => 'tog-diffonly',
 872                                 );
 873                 $defaultPreferences['norollbackdiff'] =
 874                                 array(
 875                                         'type' => 'toggle',
 876                                         'section' => 'misc/diffs',
 877                                         'label-message' => 'tog-norollbackdiff',
 878                                 );
 879         }
 880
 881         static function generateSkinOptions( $user ) {
 882                 global $wgDefaultSkin;
 883                 $ret = array();
 884
 885                 $mptitle = Title::newMainPage();
 886                 $previewtext = wfMsgHtml( 'skin-preview' );
 887                 # Only show members of Skin::getSkinNames() rather than
 888                 # $skinNames (skins is all skin names from Language.php)
 889                 $validSkinNames = Skin::getUsableSkins();
 890                 # Sort by UI skin name. First though need to update validSkinNames as sometimes
 891                 # the skinkey & UI skinname differ (e.g. "standard" skinkey is "Classic" in the UI).
 892                 foreach ( $validSkinNames as $skinkey => &$skinname ) {
 893                         $msgName = "skinname-{$skinkey}";
 894                         $localisedSkinName = wfMsg( $msgName );
 895                         if ( !wfEmptyMsg( $msgName, $localisedSkinName ) )  {
 896                                 $skinname = htmlspecialchars($localisedSkinName);
 897                         }
 898                 }
 899                 asort($validSkinNames);
 900                 $sk = $user->getSkin();
 901
 902                 foreach( $validSkinNames as $skinkey => $sn ) {
 903                         $mplink = htmlspecialchars( $mptitle->getLocalURL( "useskin=$skinkey" ) );
 904                         $previewlink = "(<a target='_blank' href=\"$mplink\">$previewtext</a>)";
 905                         $extraLinks = '';
 906                         global $wgAllowUserCss, $wgAllowUserJs;
 907                         if( $wgAllowUserCss ) {
 908                                 $cssPage = Title::makeTitleSafe( NS_USER, $user->getName().'/'.$skinkey.'.css' );
 909                                 $customCSS = $sk->link( $cssPage, wfMsgHtml( 'prefs-custom-css' ) );
 910                                 $extraLinks .= " ($customCSS)";
 911                         }
 912                         if( $wgAllowUserJs ) {
 913                                 $jsPage = Title::makeTitleSafe( NS_USER, $user->getName().'/'.$skinkey.'.js' );
 914                                 $customJS = $sk->link( $jsPage, wfMsgHtml( 'prefs-custom-js' ) );
 915                                 $extraLinks .= " ($customJS)";
 916                         }
 917                         if( $skinkey == $wgDefaultSkin )
 918                                 $sn .= ' (' . wfMsgHtml( 'default' ) . ')';
 919                         $display = "$sn $previewlink{$extraLinks}";
 920                         $ret[$display] = $skinkey;
 921                 }
 922
 923                 return $ret;
 924         }
 925
 926         static function getDateOptions() {
 927                 global $wgLang;
 928                 $dateopts = $wgLang->getDatePreferences();
 929
 930                 $ret = array();
 931
 932                 if ($dateopts) {
 933                         $idCnt = 0;
 934                         $epoch = '20010115161234'; # Wikipedia day
 935                         foreach( $dateopts as $key ) {
 936                                 if( $key == 'default' ) {
 937                                         $formatted = wfMsgHtml( 'datedefault' );
 938                                 } else {
 939                                         $formatted = htmlspecialchars($wgLang->timeanddate( $epoch, false, $key ));
 940                                 }
 941                                 $ret[$formatted] = $key;
 942                         }
 943                 }
 944                 return $ret;
 945         }
 946
 947         static function getImageSizes() {
 948                 global $wgImageLimits;
 949
 950                 $ret = array();
 951
 952                 foreach ( $wgImageLimits as $index => $limits ) {
 953                         $display = "{$limits[0]}×{$limits[1]}" . wfMsg('unit-pixel');
 954                         $ret[$display] = $index;
 955                 }
 956
 957                 return $ret;
 958         }
 959
 960         static function getThumbSizes() {
 961                 global $wgThumbLimits;
 962
 963                 $ret = array();
 964
 965                 foreach ( $wgThumbLimits as $index => $size ) {
 966                         $display = $size . wfMsg('unit-pixel');
 967                         $ret[$display] = $index;
 968                 }
 969
 970                 return $ret;
 971         }
 972
 973         static function validateSignature( $signature, $alldata ) {
 974                 global $wgParser, $wgMaxSigChars, $wgLang;
 975                 if( mb_strlen( $signature ) > $wgMaxSigChars ) {
 976                         return
 977                                 Xml::element( 'span', array( 'class' => 'error' ),
 978                                         wfMsgExt( 'badsiglength', 'parsemag',
 979                                                 $wgLang->formatNum( $wgMaxSigChars )
 980                                         )
 981                                 );
 982                 } elseif( !empty( $alldata['fancysig'] ) &&
 983                                 false === $wgParser->validateSig( $signature ) ) {
 984                         return Xml::element( 'span', array( 'class' => 'error' ), wfMsg( 'badsig' ) );
 985                 } else {
 986                         return true;
 987                 }
 988         }
 989
 990         static function cleanSignature( $signature, $alldata ) {
 991                 global $wgParser;
 992                 if( $alldata['fancysig'] ) {
 993                         $signature = $wgParser->cleanSig( $signature );
 994                 } else {
 995                         // When no fancy sig used, make sure ~{3,5} get removed.
 996                         $signature = $wgParser->cleanSigInSig( $signature );
 997                 }
 998
 999                 return $signature;
1000         }
1001
1002         static function validateEmail( $email, $alldata ) {
1003                 if ( $email && !User::isValidEmailAddr( $email ) ) {
1004                         return wfMsgExt( 'invalidemailaddress', 'parseinline' );
1005                 }
1006
1007                 global $wgEmailConfirmToEdit;
1008                 if( $wgEmailConfirmToEdit && !$email ) {
1009                         return wfMsgExt( 'noemailtitle', 'parseinline' );
1010                 }
1011                 return true;
1012         }
1013
1014         static function getFormObject( $user ) {
1015                 $formDescriptor = Preferences::getPreferences( $user );
1016                 $htmlForm = new PreferencesForm( $formDescriptor, 'prefs' );
1017
1018                 $htmlForm->setSubmitText( wfMsg('saveprefs') );
1019                 $htmlForm->setTitle( SpecialPage::getTitleFor( 'Preferences' ) );
1020                 $htmlForm->setSubmitID( 'prefsubmit' );
1021                 $htmlForm->setSubmitCallback( array( 'Preferences', 'tryFormSubmit' ) );
1022
1023                 return $htmlForm;
1024         }
1025
1026         static function getTimezoneOptions() {
1027                 $opt = array();
1028
1029                 global $wgLocalTZoffset;
1030
1031                 $opt[wfMsg( 'timezoneuseserverdefault' )] = "System|$wgLocalTZoffset";
1032                 $opt[wfMsg( 'timezoneuseoffset' )] = 'other';
1033                 $opt[wfMsg( 'guesstimezone' )] = 'guess';
1034
1035                 if ( function_exists( 'timezone_identifiers_list' ) ) {
1036                         # Read timezone list
1037                         $tzs = timezone_identifiers_list();
1038                         sort( $tzs );
1039
1040                         $tzRegions = array();
1041                         $tzRegions['Africa'] = wfMsg( 'timezoneregion-africa' );
1042                         $tzRegions['America'] = wfMsg( 'timezoneregion-america' );
1043                         $tzRegions['Antarctica'] = wfMsg( 'timezoneregion-antarctica' );
1044                         $tzRegions['Arctic'] = wfMsg( 'timezoneregion-arctic' );
1045                         $tzRegions['Asia'] = wfMsg( 'timezoneregion-asia' );
1046                         $tzRegions['Atlantic'] = wfMsg( 'timezoneregion-atlantic' );
1047                         $tzRegions['Australia'] = wfMsg( 'timezoneregion-australia' );
1048                         $tzRegions['Europe'] = wfMsg( 'timezoneregion-europe' );
1049                         $tzRegions['Indian'] = wfMsg( 'timezoneregion-indian' );
1050                         $tzRegions['Pacific'] = wfMsg( 'timezoneregion-pacific' );
1051                         asort( $tzRegions );
1052
1053                         $prefill = array_fill_keys( array_values($tzRegions), array() );
1054                         $opt = array_merge( $opt, $prefill );
1055
1056                         $now = date_create( 'now' );
1057
1058                         foreach ( $tzs as $tz ) {
1059                                 $z = explode( '/', $tz, 2 );
1060
1061                                 # timezone_identifiers_list() returns a number of
1062                                 # backwards-compatibility entries. This filters them out of the
1063                                 # list presented to the user.
1064                                 if ( count( $z ) != 2 || !array_key_exists( $z[0], $tzRegions ) )
1065                                         continue;
1066
1067                                 # Localize region
1068                                 $z[0] = $tzRegions[$z[0]];
1069
1070                                 $minDiff = floor( timezone_offset_get( timezone_open( $tz ), $now ) / 60 );
1071
1072                                 $display = str_replace( '_', ' ', $z[0] . '/' . $z[1] );
1073                                 $value = "ZoneInfo|$minDiff|$tz";
1074
1075                                 $opt[$z[0]][$display] = $value;
1076                         }
1077                 }
1078                 return $opt;
1079         }
1080
1081         static function filterTimezoneInput( $tz, $alldata ) {
1082                 $data = explode( '|', $tz, 3 );
1083                 switch ( $data[0] ) {
1084                         case 'ZoneInfo':
1085                         case 'System':
1086                                 return $tz;
1087                         default:
1088                                 $data = explode( ':', $tz, 2 );
1089                                 $minDiff = 0;
1090                                 if( count( $data ) == 2 ) {
1091                                         $data[0] = intval( $data[0] );
1092                                         $data[1] = intval( $data[1] );
1093                                         $minDiff = abs( $data[0] ) * 60 + $data[1];
1094                                         if ( $data[0] < 0 ) $minDiff = -$minDiff;
1095                                 } else {
1096                                         $minDiff = intval( $data[0] ) * 60;
1097                                 }
1098
1099                                 # Max is +14:00 and min is -12:00, see:
1100                                 # http://en.wikipedia.org/wiki/Timezone
1101                                 $minDiff = min( $minDiff, 840 );  # 14:00
1102                                 $minDiff = max( $minDiff, -720 ); # -12:00
1103                                 return 'Offset|'.$minDiff;
1104                 }
1105         }
1106
1107         static function tryFormSubmit( $formData, $entryPoint = 'internal' ) {
1108                 global $wgUser, $wgEmailAuthentication, $wgEnableEmail;
1109
1110                 $result = true;
1111
1112                 // Filter input
1113                 foreach( array_keys($formData) as $name ) {
1114                         if ( isset(self::$saveFilters[$name]) ) {
1115                                 $formData[$name] =
1116                                         call_user_func( self::$saveFilters[$name], $formData[$name], $formData );
1117                         }
1118                 }
1119
1120                 // Stuff that shouldn't be saved as a preference.
1121                 $saveBlacklist = array(
1122                                 'realname',
1123                                 'emailaddress',
1124                         );
1125
1126                 if( $wgEnableEmail ) {
1127                         $newadr = $formData['emailaddress'];
1128                         $oldadr = $wgUser->getEmail();
1129                         if( ($newadr != '') && ($newadr != $oldadr) ) {
1130                                 # the user has supplied a new email address on the login page
1131                                 # new behaviour: set this new emailaddr from login-page into user database record
1132                                 $wgUser->setEmail( $newadr );
1133                                 # but flag as "dirty" = unauthenticated
1134                                 $wgUser->invalidateEmail();
1135                                 if ($wgEmailAuthentication) {
1136                                         # Mail a temporary password to the dirty address.
1137                                         # User can come back through the confirmation URL to re-enable email.
1138                                         $result = $wgUser->sendConfirmationMail();
1139                                         if( WikiError::isError( $result ) ) {
1140                                                 return wfMsg( 'mailerror', htmlspecialchars( $result->getMessage() ) );
1141                                         } elseif ($entryPoint == 'ui') {
1142                                                 $result = 'eauth';
1143                                         }
1144                                 }
1145                         } else {
1146                                 $wgUser->setEmail( $newadr );
1147                         }
1148                         if( $oldadr != $newadr ) {
1149                                 wfRunHooks( 'PrefsEmailAudit', array( $wgUser, $oldadr, $newadr ) );
1150                         }
1151                 }
1152
1153                 // Fortunately, the realname field is MUCH simpler
1154                 global $wgAllowRealName;
1155                 if ($wgAllowRealName) {
1156                         $realName = $formData['realname'];
1157                         $wgUser->setRealName( $realName );
1158                 }
1159
1160                 foreach( $saveBlacklist as $b )
1161                         unset( $formData[$b] );
1162
1163                 //  Keeps old preferences from interfering due to back-compat
1164                 //  code, etc.
1165                 $wgUser->resetOptions();
1166
1167                 foreach( $formData as $key => $value ) {
1168                         $wgUser->setOption( $key, $value );
1169                 }
1170
1171                 $wgUser->saveSettings();
1172
1173                 return $result;
1174         }
1175
1176         public static function tryUISubmit( $formData ) {
1177                 $res = self::tryFormSubmit( $formData, 'ui' );
1178
1179                 if ($res) {
1180                         $urlOptions = array( 'success' );
1181                         if ($res === 'eauth')
1182                                 $urlOptions[] = 'eauth';
1183
1184                         $queryString = implode( '&', $urlOptions );
1185
1186                         $url = SpecialPage::getTitleFor( 'Preferences' )->getFullURL( $queryString );
1187                         global $wgOut;
1188                         $wgOut->redirect( $url );
1189                 }
1190
1191                 return true;
1192         }
1193
1194         public static function loadOldSearchNs( $user ) {
1195                 $searchableNamespaces = SearchEngine::searchableNamespaces();
1196                 // Back compat with old format
1197                 $arr = array();
1198
1199                 foreach( $searchableNamespaces as $ns => $name ) {
1200                         if( $user->getOption( 'searchNs' . $ns ) ) {
1201                                 $arr[] = $ns;
1202                         }
1203                 }
1204
1205                 return $arr;
1206         }
1207 }
1208
1209 /** Some tweaks to allow js prefs to work */
1210 class PreferencesForm extends HTMLForm {
1211
1212         function wrapForm( $html ) {
1213                 $html = Xml::tags( 'div', array( 'id' => 'preferences' ), $html );
1214
1215                 return parent::wrapForm( $html );
1216         }
1217
1218         function getButtons() {
1219                 $html = parent::getButtons();
1220
1221                 global $wgUser;
1222
1223                 $sk = $wgUser->getSkin();
1224                 $t = SpecialPage::getTitleFor( 'Preferences', 'reset' );
1225
1226                 $html .= "\n" . $sk->link( $t, wfMsgHtml( 'restoreprefs' ) );
1227
1228                 $html = Xml::tags( 'div', array( 'class' => 'mw-prefs-buttons' ), $html );
1229
1230                 return $html;
1231         }
1232
1233         function filterDataForSubmit( $data ) {
1234                 // Support for separating MultiSelect preferences into multiple preferences
1235                 // Due to lack of array support.
1236                 foreach( $this->mFlatFields as $fieldname => $field ) {
1237                         $info = $field->mParams;
1238                         if ($field instanceof HTMLMultiSelectField) {
1239                                 $options = HTMLFormField::flattenOptions( $info['options'] );
1240                                 $prefix = isset($info['prefix']) ? $info['prefix'] : $fieldname;
1241
1242                                 foreach( $options as $opt ) {
1243                                         $data["$prefix$opt"] = in_array( $opt, $data[$fieldname] );
1244                                 }
1245
1246                                 unset( $data[$fieldname] );
1247                         }
1248                 }
1249
1250                 return $data;
1251         }
1252 }