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, $wgEnableVariants;
 217                 /* see if there are multiple language variants to choose from*/
 218                 $variantArray = array();
 219                 if($wgEnableVariants) {
 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 && $wgEnableVariants && !$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                 $defaultPreferences['skin'] =
 383                                 array(
 384                                         'type' => 'radio',
 385                                         'options' => self::generateSkinOptions( $user ),
 386                                         'label' => '&nbsp;',
 387                                         'section' => 'rendering/skin',
 388                                 );
 389
 390                 $selectedSkin = $user->getOption( 'skin' );
 391                 if ( in_array( $selectedSkin, array( 'cologneblue', 'standard' ) ) ) {
 392                         global $wgLang;
 393                         $settings = array_flip($wgLang->getQuickbarSettings());
 394
 395                         $defaultPreferences['quickbar'] =
 396                                 array(
 397                                         'type' => 'radio',
 398                                         'options' => $settings,
 399                                         'section' => 'rendering/skin',
 400                                         'label-message' => 'qbsettings',
 401                                 );
 402                 }
 403         }
 404
 405         static function mathPreferences( $user, &$defaultPreferences ) {
 406                 ## Math #####################################
 407                 global $wgUseTeX, $wgLang;
 408                 if ($wgUseTeX) {
 409                         $defaultPreferences['math'] =
 410                                         array(
 411                                                 'type' => 'radio',
 412                                                 'options' =>
 413                                                         array_flip( array_map( 'wfMsgHtml', $wgLang->getMathNames() ) ),
 414                                                 'label' => '&nbsp;',
 415                                                 'section' => 'rendering/math',
 416                                         );
 417                 }
 418         }
 419
 420         static function filesPreferences( $user, &$defaultPreferences ) {
 421                 ## Files #####################################
 422                 $defaultPreferences['imagesize'] =
 423                                 array(
 424                                         'type' => 'select',
 425                                         'options' => self::getImageSizes(),
 426                                         'label-message' => 'imagemaxsize',
 427                                         'section' => 'rendering/files',
 428                                 );
 429                 $defaultPreferences['thumbsize'] =
 430                                 array(
 431                                         'type' => 'select',
 432                                         'options' => self::getThumbSizes(),
 433                                         'label-message' => 'thumbsize',
 434                                         'section' => 'rendering/files',
 435                                 );
 436         }
 437
 438         static function datetimePreferences( $user, &$defaultPreferences ) {
 439                 global $wgLang;
 440
 441                 ## Date and time #####################################
 442                 $dateOptions = self::getDateOptions();
 443                 if ($dateOptions) {
 444                         $defaultPreferences['date'] =
 445                                         array(
 446                                                 'type' => 'radio',
 447                                                 'options' => $dateOptions,
 448                                                 'label' => '&nbsp;',
 449                                                 'section' => 'datetime/dateformat',
 450                                         );
 451                 }
 452
 453                 // Info
 454                 $nowlocal = Xml::element( 'span', array( 'id' => 'wpLocalTime' ),
 455                         $wgLang->time( $now = wfTimestampNow(), true ) );
 456                 $nowserver = $wgLang->time( $now, false ) .
 457                         Xml::hidden( 'wpServerTime', substr( $now, 8, 2 ) * 60 + substr( $now, 10, 2 ) );
 458
 459                 $defaultPreferences['nowserver'] =
 460                                 array(
 461                                         'type' => 'info',
 462                                         'raw' => 1,
 463                                         'label-message' => 'servertime',
 464                                         'default' => $nowserver,
 465                                         'section' => 'datetime/timeoffset',
 466                                 );
 467
 468                 $defaultPreferences['nowlocal'] =
 469                                 array(
 470                                         'type' => 'info',
 471                                         'raw' => 1,
 472                                         'label-message' => 'localtime',
 473                                         'default' => $nowlocal,
 474                                         'section' => 'datetime/timeoffset',
 475                                 );
 476
 477                 // Grab existing pref.
 478                 $tzOffset = $user->getOption( 'timecorrection' );
 479                 $tz = explode( '|', $tzOffset, 2 );
 480
 481                 $tzSetting = $tzOffset;
 482                 if (count($tz) > 1 && $tz[0] == 'Offset') {
 483                         $minDiff = $tz[1];
 484                         $tzSetting = sprintf( '%+03d:%02d', floor($minDiff/60), abs($minDiff)%60 );;
 485                 }
 486
 487                 $defaultPreferences['timecorrection'] =
 488                                 array(
 489                                         'class' => 'HTMLSelectOrOtherField',
 490                                         'label-message' => 'timezonelegend',
 491                                         'options' => self::getTimezoneOptions(),
 492                                         'default' => $tzSetting,
 493                                         'section' => 'datetime/timeoffset',
 494                                 );
 495         }
 496
 497         static function renderingPreferences( $user, &$defaultPreferences ) {
 498                 ## Page Rendering ##############################
 499                 $defaultPreferences['underline'] =
 500                                 array(
 501                                         'type' => 'select',
 502                                         'options' => array(
 503                                                 wfMsg( 'underline-never' ) => 0,
 504                                                 wfMsg( 'underline-always' ) => 1,
 505                                                 wfMsg( 'underline-default' ) => 2,
 506                                         ),
 507                                         'label-message' => 'tog-underline',
 508                                         'section' => 'rendering/advancedrendering',
 509                                 );
 510
 511                 $stubThresholdValues = array( 0, 50, 100, 500, 1000, 2000, 5000, 10000 );
 512                 $stubThresholdOptions = array();
 513                 foreach( $stubThresholdValues as $value ) {
 514                         $stubThresholdOptions[wfMsg( 'size-bytes', $value )] = $value;
 515                 }
 516
 517                 $defaultPreferences['stubthreshold'] =
 518                                 array(
 519                                         'type' => 'selectorother',
 520                                         'section' => 'rendering/advancedrendering',
 521                                         'options' => $stubThresholdOptions,
 522                                         'label' => wfMsg('stub-threshold'), // Raw HTML message. Yay?
 523                                 );
 524                 $defaultPreferences['highlightbroken'] =
 525                                 array(
 526                                         'type' => 'toggle',
 527                                         'section' => 'rendering/advancedrendering',
 528                                         'label' => wfMsg('tog-highlightbroken'), // Raw HTML
 529                                 );
 530                 $defaultPreferences['showtoc'] =
 531                                 array(
 532                                         'type' => 'toggle',
 533                                         'section' => 'rendering/advancedrendering',
 534                                         'label-message' => 'tog-showtoc',
 535                                 );
 536                 $defaultPreferences['nocache'] =
 537                                 array(
 538                                         'type' => 'toggle',
 539                                         'label-message' => 'tog-nocache',
 540                                         'section' => 'rendering/advancedrendering',
 541                                 );
 542                 $defaultPreferences['showhiddencats'] =
 543                                 array(
 544                                         'type' => 'toggle',
 545                                         'section' => 'rendering/advancedrendering',
 546                                         'label-message' => 'tog-showhiddencats'
 547                                 );
 548                 $defaultPreferences['showjumplinks'] =
 549                                 array(
 550                                         'type' => 'toggle',
 551                                         'section' => 'rendering/advancedrendering',
 552                                         'label-message' => 'tog-showjumplinks',
 553                                 );
 554                 $defaultPreferences['justify'] =
 555                                 array(
 556                                         'type' => 'toggle',
 557                                         'section' => 'rendering/advancedrendering',
 558                                         'label-message' => 'tog-justify',
 559                                 );
 560                 $defaultPreferences['numberheadings'] =
 561                                 array(
 562                                         'type' => 'toggle',
 563                                         'section' => 'rendering/advancedrendering',
 564                                         'label-message' => 'tog-numberheadings',
 565                                 );
 566         }
 567
 568         static function editingPreferences( $user, &$defaultPreferences ) {
 569                 ## Editing #####################################
 570                 $defaultPreferences['cols'] =
 571                                 array(
 572                                         'type' => 'int',
 573                                         'label-message' => 'columns',
 574                                         'section' => 'editing/textboxsize',
 575                                         'min' => 4,
 576                                         'max' => 1000,
 577                                 );
 578                 $defaultPreferences['rows'] =
 579                                 array(
 580                                         'type' => 'int',
 581                                         'label-message' => 'rows',
 582                                         'section' => 'editing/textboxsize',
 583                                         'min' => 4,
 584                                         'max' => 1000,
 585                                 );
 586                 $defaultPreferences['previewontop'] =
 587                                 array(
 588                                         'type' => 'toggle',
 589                                         'section' => 'editing/advancedediting',
 590                                         'label-message' => 'tog-previewontop',
 591                                 );
 592                 $defaultPreferences['previewonfirst'] =
 593                                 array(
 594                                         'type' => 'toggle',
 595                                         'section' => 'editing/advancedediting',
 596                                         'label-message' => 'tog-previewonfirst',
 597                                 );
 598                 $defaultPreferences['editsection'] =
 599                                 array(
 600                                         'type' => 'toggle',
 601                                         'section' => 'editing/advancedediting',
 602                                         'label-message' => 'tog-editsection',
 603                                 );
 604                 $defaultPreferences['editsectiononrightclick'] =
 605                                 array(
 606                                         'type' => 'toggle',
 607                                         'section' => 'editing/advancedediting',
 608                                         'label-message' => 'tog-editsectiononrightclick',
 609                                 );
 610                 $defaultPreferences['editondblclick'] =
 611                                 array(
 612                                         'type' => 'toggle',
 613                                         'section' => 'editing/advancedediting',
 614                                         'label-message' => 'tog-editondblclick',
 615                                 );
 616                 $defaultPreferences['editwidth'] =
 617                                 array(
 618                                         'type' => 'toggle',
 619                                         'section' => 'editing/advancedediting',
 620                                         'label-message' => 'tog-editwidth',
 621                                 );
 622                 $defaultPreferences['showtoolbar'] =
 623                                 array(
 624                                         'type' => 'toggle',
 625                                         'section' => 'editing/advancedediting',
 626                                         'label-message' => 'tog-showtoolbar',
 627                                 );
 628                 $defaultPreferences['minordefault'] =
 629                                 array(
 630                                         'type' => 'toggle',
 631                                         'section' => 'editing/advancedediting',
 632                                         'label-message' => 'tog-minordefault',
 633                                 );
 634                 $defaultPreferences['externaleditor'] =
 635                                 array(
 636                                         'type' => 'toggle',
 637                                         'section' => 'editing/advancedediting',
 638                                         'label-message' => 'tog-externaleditor',
 639                                 );
 640                 $defaultPreferences['externaldiff'] =
 641                                 array(
 642                                         'type' => 'toggle',
 643                                         'section' => 'editing/advancedediting',
 644                                         'label-message' => 'tog-externaldiff',
 645                                 );
 646                 $defaultPreferences['forceeditsummary'] =
 647                                 array(
 648                                         'type' => 'toggle',
 649                                         'section' => 'editing/advancedediting',
 650                                         'label-message' => 'tog-forceeditsummary',
 651                                 );
 652                 $defaultPreferences['uselivepreview'] =
 653                                 array(
 654                                         'type' => 'toggle',
 655                                         'section' => 'editing/advancedediting',
 656                                         'label-message' => 'tog-uselivepreview',
 657                                 );
 658         }
 659
 660         static function rcPreferences( $user, &$defaultPreferences ) {
 661                 global $wgRCMaxAge, $wgUseRCPatrol;
 662                 ## RecentChanges #####################################
 663                 $defaultPreferences['rcdays'] =
 664                                 array(
 665                                         'type' => 'int',
 666                                         'label-message' => 'recentchangesdays',
 667                                         'section' => 'rc/display',
 668                                         'min' => 1,
 669                                         'max' => ceil($wgRCMaxAge / (3600*24)),
 670                                 );
 671                 $defaultPreferences['rclimit'] =
 672                                 array(
 673                                         'type' => 'int',
 674                                         'label-message' => 'recentchangescount',
 675                                         'help-message' => 'prefs-help-recentchangescount',
 676                                         'section' => 'rc/display',
 677                                 );
 678                 $defaultPreferences['usenewrc'] =
 679                                 array(
 680                                         'type' => 'toggle',
 681                                         'label-message' => 'tog-usenewrc',
 682                                         'section' => 'rc/advancedrc',
 683                                 );
 684                 $defaultPreferences['hideminor'] =
 685                                 array(
 686                                         'type' => 'toggle',
 687                                         'label-message' => 'tog-hideminor',
 688                                         'section' => 'rc/advancedrc',
 689                                 );
 690
 691                 global $wgUseRCPatrol;
 692                 if ($wgUseRCPatrol) {
 693                         $defaultPreferences['hidepatrolled'] =
 694                                         array(
 695                                                 'type' => 'toggle',
 696                                                 'section' => 'rc/advancedrc',
 697                                                 'label-message' => 'tog-hidepatrolled',
 698                                         );
 699                         $defaultPreferences['newpageshidepatrolled'] =
 700                                         array(
 701                                                 'type' => 'toggle',
 702                                                 'section' => 'rc/advancedrc',
 703                                                 'label-message' => 'tog-newpageshidepatrolled',
 704                                         );
 705                 }
 706
 707                 global $wgRCShowWatchingUsers;
 708                 if ($wgRCShowWatchingUsers) {
 709                         $defaultPreferences['shownumberswatching'] =
 710                                         array(
 711                                                 'type' => 'toggle',
 712                                                 'section' => 'rc/advancedrc',
 713                                                 'label-message' => 'tog-shownumberswatching',
 714                                         );
 715                 }
 716         }
 717
 718         static function watchlistPreferences( $user, &$defaultPreferences ) {
 719                 global $wgUseRCPatrol;
 720                 ## Watchlist #####################################
 721                 $defaultPreferences['watchlistdays'] =
 722                                 array(
 723                                         'type' => 'int',
 724                                         'min' => 0,
 725                                         'max' => 7,
 726                                         'section' => 'watchlist/display',
 727                                         'label-message' => 'prefs-watchlist-days',
 728                                 );
 729                 $defaultPreferences['wllimit'] =
 730                                 array(
 731                                         'type' => 'int',
 732                                         'min' => 0,
 733                                         'max' => 1000,
 734                                         'label-message' => 'prefs-watchlist-edits',
 735                                         'section' => 'watchlist/display'
 736                                 );
 737                 $defaultPreferences['extendwatchlist'] =
 738                                 array(
 739                                         'type' => 'toggle',
 740                                         'section' => 'watchlist/advancedwatchlist',
 741                                         'label-message' => 'tog-extendwatchlist',
 742                                 );
 743                 $defaultPreferences['watchlisthideminor'] =
 744                                 array(
 745                                         'type' => 'toggle',
 746                                         'section' => 'watchlist/advancedwatchlist',
 747                                         'label-message' => 'tog-watchlisthideminor',
 748                                 );
 749                 $defaultPreferences['watchlisthidebots'] =
 750                                 array(
 751                                         'type' => 'toggle',
 752                                         'section' => 'watchlist/advancedwatchlist',
 753                                         'label-message' => 'tog-watchlisthidebots',
 754                                 );
 755                 $defaultPreferences['watchlisthideown'] =
 756                                 array(
 757                                         'type' => 'toggle',
 758                                         'section' => 'watchlist/advancedwatchlist',
 759                                         'label-message' => 'tog-watchlisthideown',
 760                                 );
 761                 $defaultPreferences['watchlisthideanons'] =
 762                                 array(
 763                                         'type' => 'toggle',
 764                                         'section' => 'watchlist/advancedwatchlist',
 765                                         'label-message' => 'tog-watchlisthideanons',
 766                                 );
 767                 $defaultPreferences['watchlisthideliu'] =
 768                                 array(
 769                                         'type' => 'toggle',
 770                                         'section' => 'watchlist/advancedwatchlist',
 771                                         'label-message' => 'tog-watchlisthideliu',
 772                                 );
 773
 774                 if ( $wgUseRCPatrol ) {
 775                         $defaultPreferences['watchlisthidepatrolled'] =
 776                                         array(
 777                                                 'type' => 'toggle',
 778                                                 'section' => 'watchlist/advancedwatchlist',
 779                                                 'label-message' => 'tog-watchlisthidepatrolled',
 780                                         );
 781                 }
 782
 783                 $watchTypes = array( 'edit' => 'watchdefault',
 784                                                                 'move' => 'watchmoves',
 785                                                                 'delete' => 'watchdeletion' );
 786
 787                 // Kinda hacky
 788                 if( $user->isAllowed( 'createpage' ) || $user->isAllowed( 'createtalk' ) ) {
 789                         $watchTypes['read'] = 'watchcreations';
 790                 }
 791
 792                 foreach( $watchTypes as $action => $pref ) {
 793                         if ( $user->isAllowed( $action ) ) {
 794                                 $defaultPreferences[$pref] = array(
 795                                         'type' => 'toggle',
 796                                         'section' => 'watchlist/advancedwatchlist',
 797                                         'label-message' => "tog-$pref",
 798                                 );
 799                         }
 800                 }
 801         }
 802
 803         static function searchPreferences( $user, &$defaultPreferences ) {
 804                 global $wgContLang;
 805
 806                 ## Search #####################################
 807                 $defaultPreferences['searchlimit'] =
 808                                 array(
 809                                         'type' => 'int',
 810                                         'label-message' => 'resultsperpage',
 811                                         'section' => 'searchoptions/display',
 812                                         'min' => 0,
 813                                 );
 814                 $defaultPreferences['contextlines'] =
 815                                 array(
 816                                         'type' => 'int',
 817                                         'label-message' => 'contextlines',
 818                                         'section' => 'searchoptions/display',
 819                                         'min' => 0,
 820                                 );
 821                 $defaultPreferences['contextchars'] =
 822                                 array(
 823                                         'type' => 'int',
 824                                         'label-message' => 'contextchars',
 825                                         'section' => 'searchoptions/display',
 826                                         'min' => 0,
 827                                 );
 828                 global $wgEnableMWSuggest;
 829                 if ($wgEnableMWSuggest) {
 830                         $defaultPreferences['disablesuggest'] =
 831                                         array(
 832                                                 'type' => 'toggle',
 833                                                 'label-message' => 'mwsuggest-disable',
 834                                                 'section' => 'searchoptions/display',
 835                                         );
 836                 }
 837
 838                 $defaultPreferences['searcheverything'] =
 839                                 array(
 840                                         'type' => 'toggle',
 841                                         'label-message' => 'searcheverything-enable',
 842                                         'section' => 'searchoptions/advancedsearchoptions',
 843                                 );
 844
 845                 // Searchable namespaces back-compat with old format
 846                 $searchableNamespaces = SearchEngine::searchableNamespaces();
 847
 848                 $nsOptions = array();
 849                 foreach( $wgContLang->getNamespaces() as $ns => $name ) {
 850                         if ($ns < 0) continue;
 851                         $displayNs = str_replace( '_', ' ', $name );
 852
 853                         if (!$displayNs) $displayNs = wfMsg( 'blanknamespace' );
 854
 855                         $displayNs = htmlspecialchars( $displayNs );
 856                         $nsOptions[$displayNs] = $ns;
 857                 }
 858
 859                 $defaultPreferences['searchnamespaces'] =
 860                                 array(
 861                                         'type' => 'multiselect',
 862                                         'label-message' => 'defaultns',
 863                                         'options' => $nsOptions,
 864                                         'section' => 'searchoptions/advancedsearchoptions',
 865                                         'prefix' => 'searchNs',
 866                                 );
 867
 868
 869
 870         }
 871
 872         static function miscPreferences( $user, &$defaultPreferences ) {
 873                 ## Misc #####################################
 874                 $defaultPreferences['diffonly'] =
 875                                 array(
 876                                         'type' => 'toggle',
 877                                         'section' => 'misc/diffs',
 878                                         'label-message' => 'tog-diffonly',
 879                                 );
 880                 $defaultPreferences['norollbackdiff'] =
 881                                 array(
 882                                         'type' => 'toggle',
 883                                         'section' => 'misc/diffs',
 884                                         'label-message' => 'tog-norollbackdiff',
 885                                 );
 886         }
 887
 888         static function generateSkinOptions( $user ) {
 889                 global $wgDefaultSkin;
 890                 $ret = array();
 891
 892                 $mptitle = Title::newMainPage();
 893                 $previewtext = wfMsgHtml( 'skin-preview' );
 894                 # Only show members of Skin::getSkinNames() rather than
 895                 # $skinNames (skins is all skin names from Language.php)
 896                 $validSkinNames = Skin::getUsableSkins();
 897                 # Sort by UI skin name. First though need to update validSkinNames as sometimes
 898                 # the skinkey & UI skinname differ (e.g. "standard" skinkey is "Classic" in the UI).
 899                 foreach ( $validSkinNames as $skinkey => &$skinname ) {
 900                         $msgName = "skinname-{$skinkey}";
 901                         $localisedSkinName = wfMsg( $msgName );
 902                         if ( !wfEmptyMsg( $msgName, $localisedSkinName ) )  {
 903                                 $skinname = htmlspecialchars($localisedSkinName);
 904                         }
 905                 }
 906                 asort($validSkinNames);
 907                 $sk = $user->getSkin();
 908
 909                 foreach( $validSkinNames as $skinkey => $sn ) {
 910                         $mplink = htmlspecialchars( $mptitle->getLocalURL( "useskin=$skinkey" ) );
 911                         $previewlink = "(<a target='_blank' href=\"$mplink\">$previewtext</a>)";
 912                         $extraLinks = '';
 913                         global $wgAllowUserCss, $wgAllowUserJs;
 914                         if( $wgAllowUserCss ) {
 915                                 $cssPage = Title::makeTitleSafe( NS_USER, $user->getName().'/'.$skinkey.'.css' );
 916                                 $customCSS = $sk->link( $cssPage, wfMsgHtml( 'prefs-custom-css' ) );
 917                                 $extraLinks .= " ($customCSS)";
 918                         }
 919                         if( $wgAllowUserJs ) {
 920                                 $jsPage = Title::makeTitleSafe( NS_USER, $user->getName().'/'.$skinkey.'.js' );
 921                                 $customJS = $sk->link( $jsPage, wfMsgHtml( 'prefs-custom-js' ) );
 922                                 $extraLinks .= " ($customJS)";
 923                         }
 924                         if( $skinkey == $wgDefaultSkin )
 925                                 $sn .= ' (' . wfMsgHtml( 'default' ) . ')';
 926                         $display = "$sn $previewlink{$extraLinks}";
 927                         $ret[$display] = $skinkey;
 928                 }
 929
 930                 return $ret;
 931         }
 932
 933         static function getDateOptions() {
 934                 global $wgLang;
 935                 $dateopts = $wgLang->getDatePreferences();
 936
 937                 $ret = array();
 938
 939                 if ($dateopts) {
 940                         $idCnt = 0;
 941                         $epoch = '20010115161234'; # Wikipedia day
 942                         foreach( $dateopts as $key ) {
 943                                 if( $key == 'default' ) {
 944                                         $formatted = wfMsgHtml( 'datedefault' );
 945                                 } else {
 946                                         $formatted = htmlspecialchars($wgLang->timeanddate( $epoch, false, $key ));
 947                                 }
 948                                 $ret[$formatted] = $key;
 949                         }
 950                 }
 951                 return $ret;
 952         }
 953
 954         static function getImageSizes() {
 955                 global $wgImageLimits;
 956
 957                 $ret = array();
 958
 959                 foreach ( $wgImageLimits as $index => $limits ) {
 960                         $display = "{$limits[0]}×{$limits[1]}" . wfMsg('unit-pixel');
 961                         $ret[$display] = $index;
 962                 }
 963
 964                 return $ret;
 965         }
 966
 967         static function getThumbSizes() {
 968                 global $wgThumbLimits;
 969
 970                 $ret = array();
 971
 972                 foreach ( $wgThumbLimits as $index => $size ) {
 973                         $display = $size . wfMsg('unit-pixel');
 974                         $ret[$display] = $index;
 975                 }
 976
 977                 return $ret;
 978         }
 979
 980         static function validateSignature( $signature, $alldata ) {
 981                 global $wgParser, $wgMaxSigChars, $wgLang;
 982                 if( mb_strlen( $signature ) > $wgMaxSigChars ) {
 983                         return
 984                                 Xml::element( 'span', array( 'class' => 'error' ),
 985                                         wfMsgExt( 'badsiglength', 'parsemag',
 986                                                 $wgLang->formatNum( $wgMaxSigChars )
 987                                         )
 988                                 );
 989                 } elseif( !empty( $alldata['fancysig'] ) &&
 990                                 false === $wgParser->validateSig( $signature ) ) {
 991                         return Xml::element( 'span', array( 'class' => 'error' ), wfMsg( 'badsig' ) );
 992                 } else {
 993                         return true;
 994                 }
 995         }
 996
 997         static function cleanSignature( $signature, $alldata ) {
 998                 global $wgParser;
 999                 if( $alldata['fancysig'] ) {
1000                         $signature = $wgParser->cleanSig( $signature );
1001                 } else {
1002                         // When no fancy sig used, make sure ~{3,5} get removed.
1003                         $signature = $wgParser->cleanSigInSig( $signature );
1004                 }
1005
1006                 return $signature;
1007         }
1008
1009         static function validateEmail( $email, $alldata ) {
1010                 if ( $email && !User::isValidEmailAddr( $email ) ) {
1011                         return wfMsgExt( 'invalidemailaddress', 'parseinline' );
1012                 }
1013
1014                 global $wgEmailConfirmToEdit;
1015                 if( $wgEmailConfirmToEdit && !$email ) {
1016                         return wfMsgExt( 'noemailtitle', 'parseinline' );
1017                 }
1018                 return true;
1019         }
1020
1021         static function getFormObject( $user ) {
1022                 $formDescriptor = Preferences::getPreferences( $user );
1023                 $htmlForm = new PreferencesForm( $formDescriptor, 'prefs' );
1024
1025                 $htmlForm->setSubmitText( wfMsg('saveprefs') );
1026                 $htmlForm->setTitle( SpecialPage::getTitleFor( 'Preferences' ) );
1027                 $htmlForm->setSubmitID( 'prefsubmit' );
1028                 $htmlForm->setSubmitCallback( array( 'Preferences', 'tryFormSubmit' ) );
1029
1030                 return $htmlForm;
1031         }
1032
1033         static function getTimezoneOptions() {
1034                 $opt = array();
1035
1036                 global $wgLocalTZoffset;
1037
1038                 $opt[wfMsg( 'timezoneuseserverdefault' )] = "System|$wgLocalTZoffset";
1039                 $opt[wfMsg( 'timezoneuseoffset' )] = 'other';
1040                 $opt[wfMsg( 'guesstimezone' )] = 'guess';
1041
1042                 if ( function_exists( 'timezone_identifiers_list' ) ) {
1043                         # Read timezone list
1044                         $tzs = timezone_identifiers_list();
1045                         sort( $tzs );
1046
1047                         $tzRegions = array();
1048                         $tzRegions['Africa'] = wfMsg( 'timezoneregion-africa' );
1049                         $tzRegions['America'] = wfMsg( 'timezoneregion-america' );
1050                         $tzRegions['Antarctica'] = wfMsg( 'timezoneregion-antarctica' );
1051                         $tzRegions['Arctic'] = wfMsg( 'timezoneregion-arctic' );
1052                         $tzRegions['Asia'] = wfMsg( 'timezoneregion-asia' );
1053                         $tzRegions['Atlantic'] = wfMsg( 'timezoneregion-atlantic' );
1054                         $tzRegions['Australia'] = wfMsg( 'timezoneregion-australia' );
1055                         $tzRegions['Europe'] = wfMsg( 'timezoneregion-europe' );
1056                         $tzRegions['Indian'] = wfMsg( 'timezoneregion-indian' );
1057                         $tzRegions['Pacific'] = wfMsg( 'timezoneregion-pacific' );
1058                         asort( $tzRegions );
1059
1060                         $prefill = array_fill_keys( array_values($tzRegions), array() );
1061                         $opt = array_merge( $opt, $prefill );
1062
1063                         $now = date_create( 'now' );
1064
1065                         foreach ( $tzs as $tz ) {
1066                                 $z = explode( '/', $tz, 2 );
1067
1068                                 # timezone_identifiers_list() returns a number of
1069                                 # backwards-compatibility entries. This filters them out of the
1070                                 # list presented to the user.
1071                                 if ( count( $z ) != 2 || !array_key_exists( $z[0], $tzRegions ) )
1072                                         continue;
1073
1074                                 # Localize region
1075                                 $z[0] = $tzRegions[$z[0]];
1076
1077                                 $minDiff = floor( timezone_offset_get( timezone_open( $tz ), $now ) / 60 );
1078
1079                                 $display = str_replace( '_', ' ', $z[0] . '/' . $z[1] );
1080                                 $value = "ZoneInfo|$minDiff|$tz";
1081
1082                                 $opt[$z[0]][$display] = $value;
1083                         }
1084                 }
1085                 return $opt;
1086         }
1087
1088         static function filterTimezoneInput( $tz, $alldata ) {
1089                 $data = explode( '|', $tz, 3 );
1090                 switch ( $data[0] ) {
1091                         case 'ZoneInfo':
1092                         case 'System':
1093                                 return $tz;
1094                         default:
1095                                 $data = explode( ':', $tz, 2 );
1096                                 $minDiff = 0;
1097                                 if( count( $data ) == 2 ) {
1098                                         $data[0] = intval( $data[0] );
1099                                         $data[1] = intval( $data[1] );
1100                                         $minDiff = abs( $data[0] ) * 60 + $data[1];
1101                                         if ( $data[0] < 0 ) $minDiff = -$minDiff;
1102                                 } else {
1103                                         $minDiff = intval( $data[0] ) * 60;
1104                                 }
1105
1106                                 # Max is +14:00 and min is -12:00, see:
1107                                 # http://en.wikipedia.org/wiki/Timezone
1108                                 $minDiff = min( $minDiff, 840 );  # 14:00
1109                                 $minDiff = max( $minDiff, -720 ); # -12:00
1110                                 return 'Offset|'.$minDiff;
1111                 }
1112         }
1113
1114         static function tryFormSubmit( $formData, $entryPoint = 'internal' ) {
1115                 global $wgUser, $wgEmailAuthentication, $wgEnableEmail;
1116
1117                 $result = true;
1118
1119                 // Filter input
1120                 foreach( array_keys($formData) as $name ) {
1121                         if ( isset(self::$saveFilters[$name]) ) {
1122                                 $formData[$name] =
1123                                         call_user_func( self::$saveFilters[$name], $formData[$name], $formData );
1124                         }
1125                 }
1126
1127                 // Stuff that shouldn't be saved as a preference.
1128                 $saveBlacklist = array(
1129                                 'realname',
1130                                 'emailaddress',
1131                         );
1132
1133                 if( $wgEnableEmail ) {
1134                         $newadr = $formData['emailaddress'];
1135                         $oldadr = $wgUser->getEmail();
1136                         if( ($newadr != '') && ($newadr != $oldadr) ) {
1137                                 # the user has supplied a new email address on the login page
1138                                 # new behaviour: set this new emailaddr from login-page into user database record
1139                                 $wgUser->setEmail( $newadr );
1140                                 # but flag as "dirty" = unauthenticated
1141                                 $wgUser->invalidateEmail();
1142                                 if ($wgEmailAuthentication) {
1143                                         # Mail a temporary password to the dirty address.
1144                                         # User can come back through the confirmation URL to re-enable email.
1145                                         $result = $wgUser->sendConfirmationMail();
1146                                         if( WikiError::isError( $result ) ) {
1147                                                 return wfMsg( 'mailerror', htmlspecialchars( $result->getMessage() ) );
1148                                         } elseif ($entryPoint == 'ui') {
1149                                                 $result = 'eauth';
1150                                         }
1151                                 }
1152                         } else {
1153                                 $wgUser->setEmail( $newadr );
1154                         }
1155                         if( $oldadr != $newadr ) {
1156                                 wfRunHooks( 'PrefsEmailAudit', array( $wgUser, $oldadr, $newadr ) );
1157                         }
1158                 }
1159
1160                 // Fortunately, the realname field is MUCH simpler
1161                 global $wgHiddenPrefs;
1162                 if ( !in_array( 'realname', $wgHiddenPrefs ) ) {
1163                         $realName = $formData['realname'];
1164                         $wgUser->setRealName( $realName );
1165                 }
1166
1167                 foreach( $saveBlacklist as $b )
1168                         unset( $formData[$b] );
1169
1170                 //  Keeps old preferences from interfering due to back-compat
1171                 //  code, etc.
1172                 $wgUser->resetOptions();
1173
1174                 foreach( $formData as $key => $value ) {
1175                         $wgUser->setOption( $key, $value );
1176                 }
1177
1178                 $wgUser->saveSettings();
1179
1180                 return $result;
1181         }
1182
1183         public static function tryUISubmit( $formData ) {
1184                 $res = self::tryFormSubmit( $formData, 'ui' );
1185
1186                 if ($res) {
1187                         $urlOptions = array( 'success' );
1188                         if ($res === 'eauth')
1189                                 $urlOptions[] = 'eauth';
1190
1191                         $queryString = implode( '&', $urlOptions );
1192
1193                         $url = SpecialPage::getTitleFor( 'Preferences' )->getFullURL( $queryString );
1194                         global $wgOut;
1195                         $wgOut->redirect( $url );
1196                 }
1197
1198                 return true;
1199         }
1200
1201         public static function loadOldSearchNs( $user ) {
1202                 $searchableNamespaces = SearchEngine::searchableNamespaces();
1203                 // Back compat with old format
1204                 $arr = array();
1205
1206                 foreach( $searchableNamespaces as $ns => $name ) {
1207                         if( $user->getOption( 'searchNs' . $ns ) ) {
1208                                 $arr[] = $ns;
1209                         }
1210                 }
1211
1212                 return $arr;
1213         }
1214 }
1215
1216 /** Some tweaks to allow js prefs to work */
1217 class PreferencesForm extends HTMLForm {
1218
1219         function wrapForm( $html ) {
1220                 $html = Xml::tags( 'div', array( 'id' => 'preferences' ), $html );
1221
1222                 return parent::wrapForm( $html );
1223         }
1224
1225         function getButtons() {
1226                 $html = parent::getButtons();
1227
1228                 global $wgUser;
1229
1230                 $sk = $wgUser->getSkin();
1231                 $t = SpecialPage::getTitleFor( 'Preferences', 'reset' );
1232
1233                 $html .= "\n" . $sk->link( $t, wfMsgHtml( 'restoreprefs' ) );
1234
1235                 $html = Xml::tags( 'div', array( 'class' => 'mw-prefs-buttons' ), $html );
1236
1237                 return $html;
1238         }
1239
1240         function filterDataForSubmit( $data ) {
1241                 // Support for separating MultiSelect preferences into multiple preferences
1242                 // Due to lack of array support.
1243                 foreach( $this->mFlatFields as $fieldname => $field ) {
1244                         $info = $field->mParams;
1245                         if ($field instanceof HTMLMultiSelectField) {
1246                                 $options = HTMLFormField::flattenOptions( $info['options'] );
1247                                 $prefix = isset($info['prefix']) ? $info['prefix'] : $fieldname;
1248
1249                                 foreach( $options as $opt ) {
1250                                         $data["$prefix$opt"] = in_array( $opt, $data[$fieldname] );
1251                                 }
1252
1253                                 unset( $data[$fieldname] );
1254                         }
1255                 }
1256
1257                 return $data;
1258         }
1259 }