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 ) === true ) {
  55                                 $info['default'] = $prefFromUser;
  56                         } elseif( $field->validate( $globalDefault, $user->mOptions ) === true ) {
  57                                 $info['default'] = $globalDefault;
  58                         } else {
  59                                 throw new MWException( "Global default $globalDefault is invalid for field $name" );
  60                         }
  61                 }
  62
  63                 self::$defaultPreferences = $defaultPreferences;
  64
  65                 return $defaultPreferences;
  66         }
  67
  68         // Pull option from a user account. Handles stuff like array-type preferences.
  69         static function getOptionFromUser( $name, $info, $user ) {
  70                 $val = $user->getOption( $name );
  71
  72                 // Handling for array-type preferences
  73                 if ( ( isset($info['type']) && $info['type'] == 'multiselect' ) ||
  74                                 ( isset($info['class']) && $info['class'] == 'HTMLMultiSelectField' ) ) {
  75
  76                         $options = HTMLFormField::flattenOptions($info['options']);
  77                         $prefix = isset($info['prefix']) ? $info['prefix'] : $name;
  78                         $val = array();
  79
  80                         foreach( $options as $label => $value ) {
  81                                 if ($user->getOption( "$prefix$value" ) ) {
  82                                         $val[] = $value;
  83                                 }
  84                         }
  85                 }
  86
  87                 return $val;
  88         }
  89
  90         static function profilePreferences( $user, &$defaultPreferences ) {
  91                 global $wgLang;
  92                 ## User info #####################################
  93                 // Information panel
  94                 $defaultPreferences['username'] =
  95                                 array(
  96                                         'type' => 'info',
  97                                         'label-message' => 'username',
  98                                         'default' => $user->getName(),
  99                                         'section' => 'personal/info',
 100                                 );
 101
 102                 $defaultPreferences['userid'] =
 103                                 array(
 104                                         'type' => 'info',
 105                                         'label-message' => 'uid',
 106                                         'default' => $user->getId(),
 107                                         'section' => 'personal/info',
 108                                 );
 109
 110                 # Get groups to which the user belongs
 111                 $userEffectiveGroups = $user->getEffectiveGroups();
 112                 $userEffectiveGroupsArray = array();
 113                 foreach( $userEffectiveGroups as $ueg ) {
 114                         if( $ueg == '*' ) {
 115                                 // Skip the default * group, seems useless here
 116                                 continue;
 117                         }
 118                         $userEffectiveGroupsArray[] = User::makeGroupLinkHTML( $ueg );
 119                 }
 120                 asort( $userEffectiveGroupsArray );
 121
 122                 $defaultPreferences['usergroups'] =
 123                                 array(
 124                                         'type' => 'info',
 125                                         'label' => wfMsgExt( 'prefs-memberingroups', 'parseinline',
 126                                                                 count($userEffectiveGroupsArray) ),
 127                                         'default' => $wgLang->commaList( $userEffectiveGroupsArray ),
 128                                         'raw' => true,
 129                                         'section' => 'personal/info',
 130                                 );
 131
 132                 $defaultPreferences['editcount'] =
 133                                 array(
 134                                         'type' => 'info',
 135                                         'label-message' => 'prefs-edits',
 136                                         'default' => $user->getEditCount(),
 137                                         'section' => 'personal/info',
 138                                 );
 139
 140                 if ($user->getRegistration()) {
 141                         $defaultPreferences['registrationdate'] =
 142                                         array(
 143                                                 'type' => 'info',
 144                                                 'label-message' => 'prefs-registration',
 145                                                 'default' => $wgLang->timeanddate( $user->getRegistration() ),
 146                                                 'section' => 'personal/info',
 147                                         );
 148                 }
 149
 150                 // Actually changeable stuff
 151                 global $wgAuth;
 152                 $defaultPreferences['realname'] =
 153                                 array(
 154                                         'type' => $wgAuth->allowPropChange( 'realname' ) ? 'text' : 'info',
 155                                         'default' => $user->getRealName(),
 156                                         'section' => 'personal/info',
 157                                         'label-message' => 'yourrealname',
 158                                         'help-message' => 'prefs-help-realname',
 159                                 );
 160
 161                 $defaultPreferences['gender'] =
 162                                 array(
 163                                         'type' => 'select',
 164                                         'section' => 'personal/info',
 165                                         'options' => array(
 166                                                 wfMsg('gender-male') => 'male',
 167                                                 wfMsg('gender-female') => 'female',
 168                                                 wfMsg('gender-unknown') => 'unknown',
 169                                         ),
 170                                         'label-message' => 'yourgender',
 171                                         'help-message' => 'prefs-help-gender',
 172                                 );
 173
 174                 if ($wgAuth->allowPasswordChange()) {
 175                         global $wgUser; // For skin.
 176                         $link = $wgUser->getSkin()->link( SpecialPage::getTitleFor( 'Resetpass' ),
 177                                 wfMsgHtml( 'prefs-resetpass' ), array() ,
 178                                 array('returnto' => SpecialPage::getTitleFor( 'Preferences') ) );
 179
 180                         $defaultPreferences['password'] =
 181                                         array(
 182                                                 'type' => 'info',
 183                                                 'raw' => true,
 184                                                 'default' => $link,
 185                                                 'label-message' => 'yourpassword',
 186                                                 'section' => 'personal/info',
 187                                         );
 188                 }
 189
 190                 $defaultPreferences['rememberpassword'] =
 191                                 array(
 192                                         'type' => 'toggle',
 193                                         'label-message' => 'tog-rememberpassword',
 194                                         'section' => 'personal/info',
 195                                 );
 196
 197                 // Language
 198                 global $wgContLanguageCode;
 199                 $languages = array_reverse( Language::getLanguageNames( false ) );
 200                 if( !array_key_exists( $wgContLanguageCode, $languages ) ) {
 201                         $languages[$wgContLanguageCode] = $wgContLanguageCode;
 202                 }
 203                 ksort( $languages );
 204
 205                 $options = array();
 206                 foreach( $languages as $code => $name ) {
 207                         $display = "$code - $name";
 208                         $options[$display] = $code;
 209                 }
 210                 $defaultPreferences['language'] =
 211                                 array(
 212                                         'type' => 'select',
 213                                         'section' => 'personal/i18n',
 214                                         'options' => $options,
 215                                         'label-message' => 'yourlanguage',
 216                                 );
 217
 218                 global $wgContLang, $wgDisableLangConversion;
 219                 /* see if there are multiple language variants to choose from*/
 220                 $variantArray = array();
 221                 if(!$wgDisableLangConversion) {
 222                         $variants = $wgContLang->getVariants();
 223
 224                         $languages = Language::getLanguageNames( true );
 225                         foreach($variants as $v) {
 226                                 $v = str_replace( '_', '-', strtolower($v));
 227                                 if( array_key_exists( $v, $languages ) ) {
 228                                         // If it doesn't have a name, we'll pretend it doesn't exist
 229                                         $variantArray[$v] = $languages[$v];
 230                                 }
 231                         }
 232
 233                         $options = array();
 234                         foreach( $variantArray as $code => $name ) {
 235                                 $display = "$code - $name";
 236                                 $options[$display] = $code;
 237                         }
 238
 239                         if(count($variantArray) > 1) {
 240                                 $defaultPreferences['variant'] =
 241                                         array(
 242                                                 'label-message' => 'yourvariant',
 243                                                 'type' => 'select',
 244                                                 'options' => $options,
 245                                                 'section' => 'personal/i18n',
 246                                         );
 247                         }
 248                 }
 249
 250                 if( count($variantArray) > 1 && !$wgDisableLangConversion && !$wgDisableTitleConversion ) {
 251                         $defaultPreferences['noconvertlink'] =
 252                                         array(
 253                                                 'type' => 'toggle',
 254                                                 'section' => 'personal/i18n',
 255                                                 'label-message' => 'tog-noconvertlink',
 256                                         );
 257                 }
 258
 259                 global $wgMaxSigChars;
 260                 $defaultPreferences['nickname'] =
 261                                 array(
 262                                         'type' => $wgAuth->allowPropChange( 'nickname' ) ? 'text' : 'info',
 263                                         'maxlength' => $wgMaxSigChars,
 264                                         'label-message' => 'yournick',
 265                                         'validation-callback' =>
 266                                                 array( 'Preferences', 'validateSignature' ),
 267                                         'section' => 'personal/signature',
 268                                         'filter-callback' => array( 'Preferences', 'cleanSignature' ),
 269                                 );
 270                 $defaultPreferences['fancysig'] =
 271                                 array(
 272                                         'type' => 'toggle',
 273                                         'label-message' => 'tog-fancysig',
 274                                         'section' => 'personal/signature'
 275                                 );
 276
 277                 ## Email stuff
 278
 279                 global $wgEmailConfirmToEdit;
 280
 281                 $defaultPreferences['emailaddress'] =
 282                                 array(
 283                                         'type' => $wgAuth->allowPropChange( 'emailaddress' ) ? 'text' : 'info',
 284                                         'default' => $user->getEmail(),
 285                                         'section' => 'personal/email',
 286                                         'label-message' => 'youremail',
 287                                         'help-message' => $wgEmailConfirmToEdit
 288                                                                                 ? 'prefs-help-email-required'
 289                                                                                 : 'prefs-help-email',
 290                                         'validation-callback' => array( 'Preferences', 'validateEmail' ),
 291                                 );
 292
 293                 global $wgEnableEmail, $wgEnableUserEmail, $wgEmailAuthentication;
 294
 295                 $disableEmailPrefs = false;
 296
 297                 if ( $wgEmailAuthentication ) {
 298                         if ( $user->getEmail() ) {
 299                                 if( $user->getEmailAuthenticationTimestamp() ) {
 300                                         // date and time are separate parameters to facilitate localisation.
 301                                         // $time is kept for backward compat reasons.
 302                                         // 'emailauthenticated' is also used in SpecialConfirmemail.php
 303                                         $time = $wgLang->timeAndDate( $user->getEmailAuthenticationTimestamp(), true );
 304                                         $d = $wgLang->date( $user->getEmailAuthenticationTimestamp(), true );
 305                                         $t = $wgLang->time( $user->getEmailAuthenticationTimestamp(), true );
 306                                         $emailauthenticated = htmlspecialchars(wfMsg('emailauthenticated', $time, $d, $t )).'<br />';
 307                                         $disableEmailPrefs = false;
 308                                 } else {
 309                                         $disableEmailPrefs = true;
 310                                         global $wgUser; // wgUser is okay here, it's for display
 311                                         $skin = $wgUser->getSkin();
 312                                         $emailauthenticated = wfMsgHtml('emailnotauthenticated').'<br />' .
 313                                                 $skin->link(
 314                                                         SpecialPage::getTitleFor( 'Confirmemail' ),
 315                                                         wfMsg( 'emailconfirmlink' ),
 316                                                         array(),
 317                                                         array(),
 318                                                         array( 'known', 'noclasses' )
 319                                                 ) . '<br />';
 320                                 }
 321                         } else {
 322                                 $disableEmailPrefs = true;
 323                                 $emailauthenticated = wfMsgHtml( 'noemailprefs' );
 324                         }
 325
 326                         $defaultPreferences['emailauthentication'] =
 327                                         array(
 328                                                 'type' => 'info',
 329                                                 'raw' => true,
 330                                                 'section' => 'personal/email',
 331                                                 'label-message' => 'prefs-emailconfirm-label',
 332                                                 'default' => $emailauthenticated,
 333                                         );
 334
 335                 }
 336
 337                 if ($wgEnableEmail) {
 338                         if ($wgEnableUserEmail) {
 339                                 $defaultPreferences['disablemail'] =
 340                                                 array(
 341                                                         'type' => 'toggle',
 342                                                         'invert' => true,
 343                                                         'section' => 'personal/email',
 344                                                         'label-message' => 'allowemail',
 345                                                         'disabled' => $disableEmailPrefs,
 346                                                 );
 347                                 $defaultPreferences['ccmeonemails'] =
 348                                                 array(
 349                                                         'type' => 'toggle',
 350                                                         'section' => 'personal/email',
 351                                                         'label-message' => 'tog-ccmeonemails',
 352                                                         'disabled' => $disableEmailPrefs,
 353                                                 );
 354                         }
 355
 356                         $defaultPreferences['enotifwatchlistpages'] =
 357                                         array(
 358                                                 'type' => 'toggle',
 359                                                 'section' => 'personal/email',
 360                                                 'label-message' => 'tog-enotifwatchlistpages',
 361                                                 'disabled' => $disableEmailPrefs,
 362                                         );
 363                         $defaultPreferences['enotifusertalkpages'] =
 364                                         array(
 365                                                 'type' => 'toggle',
 366                                                 'section' => 'personal/email',
 367                                                 'label-message' => 'tog-enotifusertalkpages',
 368                                                 'disabled' => $disableEmailPrefs,
 369                                         );
 370                         $defaultPreferences['enotifminoredits'] =
 371                                         array(
 372                                                 'type' => 'toggle',
 373                                                 'section' => 'personal/email',
 374                                                 'label-message' => 'tog-enotifminoredits',
 375                                                 'disabled' => $disableEmailPrefs,
 376                                         );
 377                         $defaultPreferences['enotifrevealaddr'] =
 378                                         array(
 379                                                 'type' => 'toggle',
 380                                                 'section' => 'personal/email',
 381                                                 'label-message' => 'tog-enotifrevealaddr',
 382                                                 'disabled' => $disableEmailPrefs,
 383                                         );
 384                 }
 385         }
 386
 387         static function skinPreferences( $user, &$defaultPreferences ) {
 388                 ## Skin #####################################
 389                 $defaultPreferences['skin'] =
 390                                 array(
 391                                         'type' => 'radio',
 392                                         'options' => self::generateSkinOptions( $user ),
 393                                         'label' => '&nbsp;',
 394                                         'section' => 'rendering/skin',
 395                                 );
 396
 397                 $selectedSkin = $user->getOption( 'skin' );
 398                 if ( in_array( $selectedSkin, array( 'cologneblue', 'standard' ) ) ) {
 399                         global $wgLang;
 400                         $settings = array_flip($wgLang->getQuickbarSettings());
 401
 402                         $defaultPreferences['quickbar'] =
 403                                 array(
 404                                         'type' => 'radio',
 405                                         'options' => $settings,
 406                                         'section' => 'rendering/skin',
 407                                         'label-message' => 'qbsettings',
 408                                 );
 409                 }
 410         }
 411
 412         static function mathPreferences( $user, &$defaultPreferences ) {
 413                 ## Math #####################################
 414                 global $wgUseTeX, $wgLang;
 415                 if ($wgUseTeX) {
 416                         $defaultPreferences['math'] =
 417                                         array(
 418                                                 'type' => 'radio',
 419                                                 'options' =>
 420                                                         array_flip( array_map( 'wfMsgHtml', $wgLang->getMathNames() ) ),
 421                                                 'label' => '&nbsp;',
 422                                                 'section' => 'rendering/math',
 423                                         );
 424                 }
 425         }
 426
 427         static function filesPreferences( $user, &$defaultPreferences ) {
 428                 ## Files #####################################
 429                 $defaultPreferences['imagesize'] =
 430                                 array(
 431                                         'type' => 'select',
 432                                         'options' => self::getImageSizes(),
 433                                         'label-message' => 'imagemaxsize',
 434                                         'section' => 'rendering/files',
 435                                 );
 436                 $defaultPreferences['thumbsize'] =
 437                                 array(
 438                                         'type' => 'select',
 439                                         'options' => self::getThumbSizes(),
 440                                         'label-message' => 'thumbsize',
 441                                         'section' => 'rendering/files',
 442                                 );
 443         }
 444
 445         static function datetimePreferences( $user, &$defaultPreferences ) {
 446                 global $wgLang;
 447
 448                 ## Date and time #####################################
 449                 $dateOptions = self::getDateOptions();
 450                 if ($dateOptions) {
 451                         $defaultPreferences['date'] =
 452                                         array(
 453                                                 'type' => 'radio',
 454                                                 'options' => $dateOptions,
 455                                                 'label' => '&nbsp;',
 456                                                 'section' => 'datetime/dateformat',
 457                                         );
 458                 }
 459
 460                 // Info
 461                 $nowlocal = Xml::element( 'span', array( 'id' => 'wpLocalTime' ),
 462                         $wgLang->time( $now = wfTimestampNow(), true ) );
 463                 $nowserver = $wgLang->time( $now, false ) .
 464                         Xml::hidden( 'wpServerTime', substr( $now, 8, 2 ) * 60 + substr( $now, 10, 2 ) );
 465
 466                 $defaultPreferences['nowserver'] =
 467                                 array(
 468                                         'type' => 'info',
 469                                         'raw' => 1,
 470                                         'label-message' => 'servertime',
 471                                         'default' => $nowserver,
 472                                         'section' => 'datetime/timeoffset',
 473                                 );
 474
 475                 $defaultPreferences['nowlocal'] =
 476                                 array(
 477                                         'type' => 'info',
 478                                         'raw' => 1,
 479                                         'label-message' => 'localtime',
 480                                         'default' => $nowlocal,
 481                                         'section' => 'datetime/timeoffset',
 482                                 );
 483
 484                 // Grab existing pref.
 485                 $tzOffset = $user->getOption( 'timecorrection' );
 486                 $tz = explode( '|', $tzOffset, 2 );
 487
 488                 $tzSetting = $tzOffset;
 489                 if (count($tz) > 1 && $tz[0] == 'Offset') {
 490                         $minDiff = $tz[1];
 491                         $tzSetting = sprintf( '%+03d:%02d', floor($minDiff/60), abs($minDiff)%60 );;
 492                 }
 493
 494                 $defaultPreferences['timecorrection'] =
 495                                 array(
 496                                         'class' => 'HTMLSelectOrOtherField',
 497                                         'label-message' => 'timezonelegend',
 498                                         'options' => self::getTimezoneOptions(),
 499                                         'default' => $tzSetting,
 500                                         'section' => 'datetime/timeoffset',
 501                                 );
 502         }
 503
 504         static function renderingPreferences( $user, &$defaultPreferences ) {
 505                 ## Page Rendering ##############################
 506                 $defaultPreferences['underline'] =
 507                                 array(
 508                                         'type' => 'select',
 509                                         'options' => array(
 510                                                 wfMsg( 'underline-never' ) => 0,
 511                                                 wfMsg( 'underline-always' ) => 1,
 512                                                 wfMsg( 'underline-default' ) => 2,
 513                                         ),
 514                                         'label-message' => 'tog-underline',
 515                                         'section' => 'rendering/advancedrendering',
 516                                 );
 517
 518                 $stubThresholdValues = array( 0, 50, 100, 500, 1000, 2000, 5000, 10000 );
 519                 $stubThresholdOptions = array();
 520                 foreach( $stubThresholdValues as $value ) {
 521                         $stubThresholdOptions[wfMsg( 'size-bytes', $value )] = $value;
 522                 }
 523
 524                 $defaultPreferences['stubthreshold'] =
 525                                 array(
 526                                         'type' => 'selectorother',
 527                                         'section' => 'rendering/advancedrendering',
 528                                         'options' => $stubThresholdOptions,
 529                                         'label' => wfMsg('stub-threshold'), // Raw HTML message. Yay?
 530                                 );
 531                 $defaultPreferences['highlightbroken'] =
 532                                 array(
 533                                         'type' => 'toggle',
 534                                         'section' => 'rendering/advancedrendering',
 535                                         'label' => wfMsg('tog-highlightbroken'), // Raw HTML
 536                                 );
 537                 $defaultPreferences['showtoc'] =
 538                                 array(
 539                                         'type' => 'toggle',
 540                                         'section' => 'rendering/advancedrendering',
 541                                         'label-message' => 'tog-showtoc',
 542                                 );
 543                 $defaultPreferences['nocache'] =
 544                                 array(
 545                                         'type' => 'toggle',
 546                                         'label-message' => 'tog-nocache',
 547                                         'section' => 'rendering/advancedrendering',
 548                                 );
 549                 $defaultPreferences['showhiddencats'] =
 550                                 array(
 551                                         'type' => 'toggle',
 552                                         'section' => 'rendering/advancedrendering',
 553                                         'label-message' => 'tog-showhiddencats'
 554                                 );
 555                 $defaultPreferences['showjumplinks'] =
 556                                 array(
 557                                         'type' => 'toggle',
 558                                         'section' => 'rendering/advancedrendering',
 559                                         'label-message' => 'tog-showjumplinks',
 560                                 );
 561                 $defaultPreferences['justify'] =
 562                                 array(
 563                                         'type' => 'toggle',
 564                                         'section' => 'rendering/advancedrendering',
 565                                         'label-message' => 'tog-justify',
 566                                 );
 567                 $defaultPreferences['numberheadings'] =
 568                                 array(
 569                                         'type' => 'toggle',
 570                                         'section' => 'rendering/advancedrendering',
 571                                         'label-message' => 'tog-numberheadings',
 572                                 );
 573         }
 574
 575         static function editingPreferences( $user, &$defaultPreferences ) {
 576                 ## Editing #####################################
 577                 $defaultPreferences['cols'] =
 578                                 array(
 579                                         'type' => 'int',
 580                                         'label-message' => 'columns',
 581                                         'section' => 'editing/textboxsize',
 582                                         'min' => 4,
 583                                         'max' => 1000,
 584                                 );
 585                 $defaultPreferences['rows'] =
 586                                 array(
 587                                         'type' => 'int',
 588                                         'label-message' => 'rows',
 589                                         'section' => 'editing/textboxsize',
 590                                         'min' => 4,
 591                                         'max' => 1000,
 592                                 );
 593                 $defaultPreferences['previewontop'] =
 594                                 array(
 595                                         'type' => 'toggle',
 596                                         'section' => 'editing/advancedediting',
 597                                         'label-message' => 'tog-previewontop',
 598                                 );
 599                 $defaultPreferences['previewonfirst'] =
 600                                 array(
 601                                         'type' => 'toggle',
 602                                         'section' => 'editing/advancedediting',
 603                                         'label-message' => 'tog-previewonfirst',
 604                                 );
 605                 $defaultPreferences['editsection'] =
 606                                 array(
 607                                         'type' => 'toggle',
 608                                         'section' => 'editing/advancedediting',
 609                                         'label-message' => 'tog-editsection',
 610                                 );
 611                 $defaultPreferences['editsectiononrightclick'] =
 612                                 array(
 613                                         'type' => 'toggle',
 614                                         'section' => 'editing/advancedediting',
 615                                         'label-message' => 'tog-editsectiononrightclick',
 616                                 );
 617                 $defaultPreferences['editondblclick'] =
 618                                 array(
 619                                         'type' => 'toggle',
 620                                         'section' => 'editing/advancedediting',
 621                                         'label-message' => 'tog-editondblclick',
 622                                 );
 623                 $defaultPreferences['editwidth'] =
 624                                 array(
 625                                         'type' => 'toggle',
 626                                         'section' => 'editing/advancedediting',
 627                                         'label-message' => 'tog-editwidth',
 628                                 );
 629                 $defaultPreferences['showtoolbar'] =
 630                                 array(
 631                                         'type' => 'toggle',
 632                                         'section' => 'editing/advancedediting',
 633                                         'label-message' => 'tog-showtoolbar',
 634                                 );
 635                 $defaultPreferences['minordefault'] =
 636                                 array(
 637                                         'type' => 'toggle',
 638                                         'section' => 'editing/advancedediting',
 639                                         'label-message' => 'tog-minordefault',
 640                                 );
 641                 $defaultPreferences['externaleditor'] =
 642                                 array(
 643                                         'type' => 'toggle',
 644                                         'section' => 'editing/advancedediting',
 645                                         'label-message' => 'tog-externaleditor',
 646                                 );
 647                 $defaultPreferences['externaldiff'] =
 648                                 array(
 649                                         'type' => 'toggle',
 650                                         'section' => 'editing/advancedediting',
 651                                         'label-message' => 'tog-externaldiff',
 652                                 );
 653                 $defaultPreferences['forceeditsummary'] =
 654                                 array(
 655                                         'type' => 'toggle',
 656                                         'section' => 'editing/advancedediting',
 657                                         'label-message' => 'tog-forceeditsummary',
 658                                 );
 659                 $defaultPreferences['uselivepreview'] =
 660                                 array(
 661                                         'type' => 'toggle',
 662                                         'section' => 'editing/advancedediting',
 663                                         'label-message' => 'tog-uselivepreview',
 664                                 );
 665         }
 666
 667         static function rcPreferences( $user, &$defaultPreferences ) {
 668                 global $wgRCMaxAge, $wgUseRCPatrol;
 669                 ## RecentChanges #####################################
 670                 $defaultPreferences['rcdays'] =
 671                                 array(
 672                                         'type' => 'int',
 673                                         'label-message' => 'recentchangesdays',
 674                                         'section' => 'rc/display',
 675                                         'min' => 1,
 676                                         'max' => ceil($wgRCMaxAge / (3600*24)),
 677                                 );
 678                 $defaultPreferences['rclimit'] =
 679                                 array(
 680                                         'type' => 'int',
 681                                         'label-message' => 'recentchangescount',
 682                                         'help-message' => 'prefs-help-recentchangescount',
 683                                         'section' => 'rc/display',
 684                                 );
 685                 $defaultPreferences['usenewrc'] =
 686                                 array(
 687                                         'type' => 'toggle',
 688                                         'label-message' => 'tog-usenewrc',
 689                                         'section' => 'rc/advancedrc',
 690                                 );
 691                 $defaultPreferences['hideminor'] =
 692                                 array(
 693                                         'type' => 'toggle',
 694                                         'label-message' => 'tog-hideminor',
 695                                         'section' => 'rc/advancedrc',
 696                                 );
 697
 698                 global $wgUseRCPatrol;
 699                 if ($wgUseRCPatrol) {
 700                         $defaultPreferences['hidepatrolled'] =
 701                                         array(
 702                                                 'type' => 'toggle',
 703                                                 'section' => 'rc/advancedrc',
 704                                                 'label-message' => 'tog-hidepatrolled',
 705                                         );
 706                         $defaultPreferences['newpageshidepatrolled'] =
 707                                         array(
 708                                                 'type' => 'toggle',
 709                                                 'section' => 'rc/advancedrc',
 710                                                 'label-message' => 'tog-newpageshidepatrolled',
 711                                         );
 712                 }
 713
 714                 global $wgRCShowWatchingUsers;
 715                 if ($wgRCShowWatchingUsers) {
 716                         $defaultPreferences['shownumberswatching'] =
 717                                         array(
 718                                                 'type' => 'toggle',
 719                                                 'section' => 'rc/advancedrc',
 720                                                 'label-message' => 'tog-shownumberswatching',
 721                                         );
 722                 }
 723         }
 724
 725         static function watchlistPreferences( $user, &$defaultPreferences ) {
 726                 global $wgUseRCPatrol;
 727                 ## Watchlist #####################################
 728                 $defaultPreferences['watchlistdays'] =
 729                                 array(
 730                                         'type' => 'int',
 731                                         'min' => 0,
 732                                         'max' => 7,
 733                                         'section' => 'watchlist/display',
 734                                         'label-message' => 'prefs-watchlist-days',
 735                                 );
 736                 $defaultPreferences['wllimit'] =
 737                                 array(
 738                                         'type' => 'int',
 739                                         'min' => 0,
 740                                         'max' => 1000,
 741                                         'label-message' => 'prefs-watchlist-edits',
 742                                         'section' => 'watchlist/display'
 743                                 );
 744                 $defaultPreferences['extendwatchlist'] =
 745                                 array(
 746                                         'type' => 'toggle',
 747                                         'section' => 'watchlist/advancedwatchlist',
 748                                         'label-message' => 'tog-extendwatchlist',
 749                                 );
 750                 $defaultPreferences['watchlisthideminor'] =
 751                                 array(
 752                                         'type' => 'toggle',
 753                                         'section' => 'watchlist/advancedwatchlist',
 754                                         'label-message' => 'tog-watchlisthideminor',
 755                                 );
 756                 $defaultPreferences['watchlisthidebots'] =
 757                                 array(
 758                                         'type' => 'toggle',
 759                                         'section' => 'watchlist/advancedwatchlist',
 760                                         'label-message' => 'tog-watchlisthidebots',
 761                                 );
 762                 $defaultPreferences['watchlisthideown'] =
 763                                 array(
 764                                         'type' => 'toggle',
 765                                         'section' => 'watchlist/advancedwatchlist',
 766                                         'label-message' => 'tog-watchlisthideown',
 767                                 );
 768                 $defaultPreferences['watchlisthideanons'] =
 769                                 array(
 770                                         'type' => 'toggle',
 771                                         'section' => 'watchlist/advancedwatchlist',
 772                                         'label-message' => 'tog-watchlisthideanons',
 773                                 );
 774                 $defaultPreferences['watchlisthideliu'] =
 775                                 array(
 776                                         'type' => 'toggle',
 777                                         'section' => 'watchlist/advancedwatchlist',
 778                                         'label-message' => 'tog-watchlisthideliu',
 779                                 );
 780
 781                 if ( $wgUseRCPatrol ) {
 782                         $defaultPreferences['watchlisthidepatrolled'] =
 783                                         array(
 784                                                 'type' => 'toggle',
 785                                                 'section' => 'watchlist/advancedwatchlist',
 786                                                 'label-message' => 'tog-watchlisthidepatrolled',
 787                                         );
 788                 }
 789
 790                 $watchTypes = array( 'edit' => 'watchdefault',
 791                                                                 'move' => 'watchmoves',
 792                                                                 'delete' => 'watchdeletion' );
 793
 794                 // Kinda hacky
 795                 if( $user->isAllowed( 'createpage' ) || $user->isAllowed( 'createtalk' ) ) {
 796                         $watchTypes['read'] = 'watchcreations';
 797                 }
 798
 799                 foreach( $watchTypes as $action => $pref ) {
 800                         if ( $user->isAllowed( $action ) ) {
 801                                 $defaultPreferences[$pref] = array(
 802                                         'type' => 'toggle',
 803                                         'section' => 'watchlist/advancedwatchlist',
 804                                         'label-message' => "tog-$pref",
 805                                 );
 806                         }
 807                 }
 808         }
 809
 810         static function searchPreferences( $user, &$defaultPreferences ) {
 811                 global $wgContLang;
 812
 813                 ## Search #####################################
 814                 $defaultPreferences['searchlimit'] =
 815                                 array(
 816                                         'type' => 'int',
 817                                         'label-message' => 'resultsperpage',
 818                                         'section' => 'searchoptions/display',
 819                                         'min' => 0,
 820                                 );
 821                 $defaultPreferences['contextlines'] =
 822                                 array(
 823                                         'type' => 'int',
 824                                         'label-message' => 'contextlines',
 825                                         'section' => 'searchoptions/display',
 826                                         'min' => 0,
 827                                 );
 828                 $defaultPreferences['contextchars'] =
 829                                 array(
 830                                         'type' => 'int',
 831                                         'label-message' => 'contextchars',
 832                                         'section' => 'searchoptions/display',
 833                                         'min' => 0,
 834                                 );
 835                 global $wgEnableMWSuggest;
 836                 if ($wgEnableMWSuggest) {
 837                         $defaultPreferences['disablesuggest'] =
 838                                         array(
 839                                                 'type' => 'toggle',
 840                                                 'label-message' => 'mwsuggest-disable',
 841                                                 'section' => 'searchoptions/display',
 842                                         );
 843                 }
 844
 845                 $defaultPreferences['searcheverything'] =
 846                                 array(
 847                                         'type' => 'toggle',
 848                                         'label-message' => 'searcheverything-enable',
 849                                         'section' => 'searchoptions/advancedsearchoptions',
 850                                 );
 851
 852                 // Searchable namespaces back-compat with old format
 853                 $searchableNamespaces = SearchEngine::searchableNamespaces();
 854
 855                 $nsOptions = array();
 856                 foreach( $wgContLang->getNamespaces() as $ns => $name ) {
 857                         if ($ns < 0) continue;
 858                         $displayNs = str_replace( '_', ' ', $name );
 859
 860                         if (!$displayNs) $displayNs = wfMsg( 'blanknamespace' );
 861
 862                         $displayNs = htmlspecialchars( $displayNs );
 863                         $nsOptions[$displayNs] = $ns;
 864                 }
 865
 866                 $defaultPreferences['searchnamespaces'] =
 867                                 array(
 868                                         'type' => 'multiselect',
 869                                         'label-message' => 'defaultns',
 870                                         'options' => $nsOptions,
 871                                         'section' => 'searchoptions/advancedsearchoptions',
 872                                         'prefix' => 'searchNs',
 873                                 );
 874
 875
 876
 877         }
 878
 879         static function miscPreferences( $user, &$defaultPreferences ) {
 880                 ## Misc #####################################
 881                 $defaultPreferences['diffonly'] =
 882                                 array(
 883                                         'type' => 'toggle',
 884                                         'section' => 'misc/diffs',
 885                                         'label-message' => 'tog-diffonly',
 886                                 );
 887                 $defaultPreferences['norollbackdiff'] =
 888                                 array(
 889                                         'type' => 'toggle',
 890                                         'section' => 'misc/diffs',
 891                                         'label-message' => 'tog-norollbackdiff',
 892                                 );
 893
 894                 // Stuff from Language::getExtraUserToggles()
 895                 global $wgContLang;
 896
 897                 $toggles = $wgContLang->getExtraUserToggles();
 898
 899                 foreach( $toggles as $toggle ) {
 900                         $defaultPreferences[$toggle] =
 901                                 array(
 902                                         'type' => 'toggle',
 903                                         'section' => 'personal/i18n',
 904                                         'label-message' => "tog-$toggle",
 905                                 );
 906                 }
 907         }
 908
 909         static function generateSkinOptions( $user ) {
 910                 global $wgDefaultSkin;
 911                 $ret = array();
 912
 913                 $mptitle = Title::newMainPage();
 914                 $previewtext = wfMsgHtml( 'skin-preview' );
 915                 # Only show members of Skin::getSkinNames() rather than
 916                 # $skinNames (skins is all skin names from Language.php)
 917                 $validSkinNames = Skin::getUsableSkins();
 918                 # Sort by UI skin name. First though need to update validSkinNames as sometimes
 919                 # the skinkey & UI skinname differ (e.g. "standard" skinkey is "Classic" in the UI).
 920                 foreach ( $validSkinNames as $skinkey => &$skinname ) {
 921                         $msgName = "skinname-{$skinkey}";
 922                         $localisedSkinName = wfMsg( $msgName );
 923                         if ( !wfEmptyMsg( $msgName, $localisedSkinName ) )  {
 924                                 $skinname = htmlspecialchars($localisedSkinName);
 925                         }
 926                 }
 927                 asort($validSkinNames);
 928                 $sk = $user->getSkin();
 929
 930                 foreach( $validSkinNames as $skinkey => $sn ) {
 931                         $mplink = htmlspecialchars( $mptitle->getLocalURL( "useskin=$skinkey" ) );
 932                         $previewlink = "(<a target='_blank' href=\"$mplink\">$previewtext</a>)";
 933                         $extraLinks = '';
 934                         global $wgAllowUserCss, $wgAllowUserJs;
 935                         if( $wgAllowUserCss ) {
 936                                 $cssPage = Title::makeTitleSafe( NS_USER, $user->getName().'/'.$skinkey.'.css' );
 937                                 $customCSS = $sk->link( $cssPage, wfMsgHtml( 'prefs-custom-css' ) );
 938                                 $extraLinks .= " ($customCSS)";
 939                         }
 940                         if( $wgAllowUserJs ) {
 941                                 $jsPage = Title::makeTitleSafe( NS_USER, $user->getName().'/'.$skinkey.'.js' );
 942                                 $customJS = $sk->link( $jsPage, wfMsgHtml( 'prefs-custom-js' ) );
 943                                 $extraLinks .= " ($customJS)";
 944                         }
 945                         if( $skinkey == $wgDefaultSkin )
 946                                 $sn .= ' (' . wfMsgHtml( 'default' ) . ')';
 947                         $display = "$sn $previewlink{$extraLinks}";
 948                         $ret[$display] = $skinkey;
 949                 }
 950
 951                 return $ret;
 952         }
 953
 954         static function getDateOptions() {
 955                 global $wgLang;
 956                 $dateopts = $wgLang->getDatePreferences();
 957
 958                 $ret = array();
 959
 960                 if ($dateopts) {
 961                         $idCnt = 0;
 962                         $epoch = '20010115161234'; # Wikipedia day
 963                         foreach( $dateopts as $key ) {
 964                                 if( $key == 'default' ) {
 965                                         $formatted = wfMsgHtml( 'datedefault' );
 966                                 } else {
 967                                         $formatted = htmlspecialchars($wgLang->timeanddate( $epoch, false, $key ));
 968                                 }
 969                                 $ret[$formatted] = $key;
 970                         }
 971                 }
 972                 return $ret;
 973         }
 974
 975         static function getImageSizes() {
 976                 global $wgImageLimits;
 977
 978                 $ret = array();
 979
 980                 foreach ( $wgImageLimits as $index => $limits ) {
 981                         $display = "{$limits[0]}×{$limits[1]}" . wfMsg('unit-pixel');
 982                         $ret[$display] = $index;
 983                 }
 984
 985                 return $ret;
 986         }
 987
 988         static function getThumbSizes() {
 989                 global $wgThumbLimits;
 990
 991                 $ret = array();
 992
 993                 foreach ( $wgThumbLimits as $index => $size ) {
 994                         $display = $size . wfMsg('unit-pixel');
 995                         $ret[$display] = $index;
 996                 }
 997
 998                 return $ret;
 999         }
1000
1001         static function validateSignature( $signature, $alldata ) {
1002                 global $wgParser, $wgMaxSigChars, $wgLang;
1003                 if( mb_strlen( $signature ) > $wgMaxSigChars ) {
1004                         return
1005                                 Xml::element( 'span', array( 'class' => 'error' ),
1006                                         wfMsgExt( 'badsiglength', 'parsemag',
1007                                                 $wgLang->formatNum( $wgMaxSigChars )
1008                                         )
1009                                 );
1010                 } elseif( !empty( $alldata['fancysig'] ) &&
1011                                 false === $wgParser->validateSig( $signature ) ) {
1012                         return Xml::element( 'span', array( 'class' => 'error' ), wfMsg( 'badsig' ) );
1013                 } else {
1014                         return true;
1015                 }
1016         }
1017
1018         static function cleanSignature( $signature, $alldata ) {
1019                 global $wgParser;
1020                 if( $alldata['fancysig'] ) {
1021                         $signature = $wgParser->cleanSig( $signature );
1022                 } else {
1023                         // When no fancy sig used, make sure ~{3,5} get removed.
1024                         $signature = $wgParser->cleanSigInSig( $signature );
1025                 }
1026
1027                 return $signature;
1028         }
1029
1030         static function validateEmail( $email, $alldata ) {
1031                 if ( $email && !User::isValidEmailAddr( $email ) ) {
1032                         return wfMsgExt( 'invalidemailaddress', 'parseinline' );
1033                 }
1034
1035                 global $wgEmailConfirmToEdit;
1036                 if( $wgEmailConfirmToEdit && !$email ) {
1037                         return wfMsgExt( 'noemailtitle', 'parseinline' );
1038                 }
1039                 return true;
1040         }
1041
1042         static function getFormObject( $user ) {
1043                 $formDescriptor = Preferences::getPreferences( $user );
1044                 $htmlForm = new PreferencesForm( $formDescriptor, 'prefs' );
1045
1046                 $htmlForm->setSubmitText( wfMsg('saveprefs') );
1047                 $htmlForm->setTitle( SpecialPage::getTitleFor( 'Preferences' ) );
1048                 $htmlForm->setSubmitID( 'prefsubmit' );
1049                 $htmlForm->setSubmitCallback( array( 'Preferences', 'tryFormSubmit' ) );
1050
1051                 return $htmlForm;
1052         }
1053
1054         static function getTimezoneOptions() {
1055                 $opt = array();
1056
1057                 global $wgLocalTZoffset;
1058
1059                 $opt[wfMsg( 'timezoneuseserverdefault' )] = "System|$wgLocalTZoffset";
1060                 $opt[wfMsg( 'timezoneuseoffset' )] = 'other';
1061                 $opt[wfMsg( 'guesstimezone' )] = 'guess';
1062
1063                 if ( function_exists( 'timezone_identifiers_list' ) ) {
1064                         # Read timezone list
1065                         $tzs = timezone_identifiers_list();
1066                         sort( $tzs );
1067
1068                         $tzRegions = array();
1069                         $tzRegions['Africa'] = wfMsg( 'timezoneregion-africa' );
1070                         $tzRegions['America'] = wfMsg( 'timezoneregion-america' );
1071                         $tzRegions['Antarctica'] = wfMsg( 'timezoneregion-antarctica' );
1072                         $tzRegions['Arctic'] = wfMsg( 'timezoneregion-arctic' );
1073                         $tzRegions['Asia'] = wfMsg( 'timezoneregion-asia' );
1074                         $tzRegions['Atlantic'] = wfMsg( 'timezoneregion-atlantic' );
1075                         $tzRegions['Australia'] = wfMsg( 'timezoneregion-australia' );
1076                         $tzRegions['Europe'] = wfMsg( 'timezoneregion-europe' );
1077                         $tzRegions['Indian'] = wfMsg( 'timezoneregion-indian' );
1078                         $tzRegions['Pacific'] = wfMsg( 'timezoneregion-pacific' );
1079                         asort( $tzRegions );
1080
1081                         $prefill = array_fill_keys( array_values($tzRegions), array() );
1082                         $opt = array_merge( $opt, $prefill );
1083
1084                         $now = date_create( 'now' );
1085
1086                         foreach ( $tzs as $tz ) {
1087                                 $z = explode( '/', $tz, 2 );
1088
1089                                 # timezone_identifiers_list() returns a number of
1090                                 # backwards-compatibility entries. This filters them out of the
1091                                 # list presented to the user.
1092                                 if ( count( $z ) != 2 || !array_key_exists( $z[0], $tzRegions ) )
1093                                         continue;
1094
1095                                 # Localize region
1096                                 $z[0] = $tzRegions[$z[0]];
1097
1098                                 $minDiff = floor( timezone_offset_get( timezone_open( $tz ), $now ) / 60 );
1099
1100                                 $display = str_replace( '_', ' ', $z[0] . '/' . $z[1] );
1101                                 $value = "ZoneInfo|$minDiff|$tz";
1102
1103                                 $opt[$z[0]][$display] = $value;
1104                         }
1105                 }
1106                 return $opt;
1107         }
1108
1109         static function filterTimezoneInput( $tz, $alldata ) {
1110                 $data = explode( '|', $tz, 3 );
1111                 switch ( $data[0] ) {
1112                         case 'ZoneInfo':
1113                         case 'System':
1114                                 return $tz;
1115                         default:
1116                                 $data = explode( ':', $tz, 2 );
1117                                 $minDiff = 0;
1118                                 if( count( $data ) == 2 ) {
1119                                         $data[0] = intval( $data[0] );
1120                                         $data[1] = intval( $data[1] );
1121                                         $minDiff = abs( $data[0] ) * 60 + $data[1];
1122                                         if ( $data[0] < 0 ) $minDiff = -$minDiff;
1123                                 } else {
1124                                         $minDiff = intval( $data[0] ) * 60;
1125                                 }
1126
1127                                 # Max is +14:00 and min is -12:00, see:
1128                                 # http://en.wikipedia.org/wiki/Timezone
1129                                 $minDiff = min( $minDiff, 840 );  # 14:00
1130                                 $minDiff = max( $minDiff, -720 ); # -12:00
1131                                 return 'Offset|'.$minDiff;
1132                 }
1133         }
1134
1135         static function tryFormSubmit( $formData, $entryPoint = 'internal' ) {
1136                 global $wgUser, $wgEmailAuthentication, $wgEnableEmail;
1137
1138                 $result = true;
1139
1140                 // Filter input
1141                 foreach( array_keys($formData) as $name ) {
1142                         if ( isset(self::$saveFilters[$name]) ) {
1143                                 $formData[$name] =
1144                                         call_user_func( self::$saveFilters[$name], $formData[$name], $formData );
1145                         }
1146                 }
1147
1148                 // Stuff that shouldn't be saved as a preference.
1149                 $saveBlacklist = array(
1150                                 'realname',
1151                                 'emailaddress',
1152                         );
1153
1154                 if( $wgEnableEmail ) {
1155                         $newadr = $formData['emailaddress'];
1156                         $oldadr = $wgUser->getEmail();
1157                         if( ($newadr != '') && ($newadr != $oldadr) ) {
1158                                 # the user has supplied a new email address on the login page
1159                                 # new behaviour: set this new emailaddr from login-page into user database record
1160                                 $wgUser->setEmail( $newadr );
1161                                 # but flag as "dirty" = unauthenticated
1162                                 $wgUser->invalidateEmail();
1163                                 if ($wgEmailAuthentication) {
1164                                         # Mail a temporary password to the dirty address.
1165                                         # User can come back through the confirmation URL to re-enable email.
1166                                         $result = $wgUser->sendConfirmationMail();
1167                                         if( WikiError::isError( $result ) ) {
1168                                                 return wfMsg( 'mailerror', htmlspecialchars( $result->getMessage() ) );
1169                                         } elseif ($entryPoint == 'ui') {
1170                                                 $result = 'eauth';
1171                                         }
1172                                 }
1173                         } else {
1174                                 $wgUser->setEmail( $newadr );
1175                         }
1176                         if( $oldadr != $newadr ) {
1177                                 wfRunHooks( 'PrefsEmailAudit', array( $wgUser, $oldadr, $newadr ) );
1178                         }
1179                 }
1180
1181                 // Fortunately, the realname field is MUCH simpler
1182                 global $wgHiddenPrefs;
1183                 if ( !in_array( 'realname', $wgHiddenPrefs ) ) {
1184                         $realName = $formData['realname'];
1185                         $wgUser->setRealName( $realName );
1186                 }
1187
1188                 foreach( $saveBlacklist as $b )
1189                         unset( $formData[$b] );
1190
1191                 //  Keeps old preferences from interfering due to back-compat
1192                 //  code, etc.
1193                 $wgUser->resetOptions();
1194
1195                 foreach( $formData as $key => $value ) {
1196                         $wgUser->setOption( $key, $value );
1197                 }
1198
1199                 $wgUser->saveSettings();
1200
1201                 return $result;
1202         }
1203
1204         public static function tryUISubmit( $formData ) {
1205                 $res = self::tryFormSubmit( $formData, 'ui' );
1206
1207                 if ($res) {
1208                         $urlOptions = array( 'success' );
1209                         if ($res === 'eauth')
1210                                 $urlOptions[] = 'eauth';
1211
1212                         $queryString = implode( '&', $urlOptions );
1213
1214                         $url = SpecialPage::getTitleFor( 'Preferences' )->getFullURL( $queryString );
1215                         global $wgOut;
1216                         $wgOut->redirect( $url );
1217                 }
1218
1219                 return true;
1220         }
1221
1222         public static function loadOldSearchNs( $user ) {
1223                 $searchableNamespaces = SearchEngine::searchableNamespaces();
1224                 // Back compat with old format
1225                 $arr = array();
1226
1227                 foreach( $searchableNamespaces as $ns => $name ) {
1228                         if( $user->getOption( 'searchNs' . $ns ) ) {
1229                                 $arr[] = $ns;
1230                         }
1231                 }
1232
1233                 return $arr;
1234         }
1235 }
1236
1237 /** Some tweaks to allow js prefs to work */
1238 class PreferencesForm extends HTMLForm {
1239
1240         function wrapForm( $html ) {
1241                 $html = Xml::tags( 'div', array( 'id' => 'preferences' ), $html );
1242
1243                 return parent::wrapForm( $html );
1244         }
1245
1246         function getButtons() {
1247                 $html = parent::getButtons();
1248
1249                 global $wgUser;
1250
1251                 $sk = $wgUser->getSkin();
1252                 $t = SpecialPage::getTitleFor( 'Preferences', 'reset' );
1253
1254                 $html .= "\n" . $sk->link( $t, wfMsgHtml( 'restoreprefs' ) );
1255
1256                 $html = Xml::tags( 'div', array( 'class' => 'mw-prefs-buttons' ), $html );
1257
1258                 return $html;
1259         }
1260
1261         function filterDataForSubmit( $data ) {
1262                 // Support for separating MultiSelect preferences into multiple preferences
1263                 // Due to lack of array support.
1264                 foreach( $this->mFlatFields as $fieldname => $field ) {
1265                         $info = $field->mParams;
1266                         if ($field instanceof HTMLMultiSelectField) {
1267                                 $options = HTMLFormField::flattenOptions( $info['options'] );
1268                                 $prefix = isset($info['prefix']) ? $info['prefix'] : $fieldname;
1269
1270                                 foreach( $options as $opt ) {
1271                                         $data["$prefix$opt"] = in_array( $opt, $data[$fieldname] );
1272                                 }
1273
1274                                 unset( $data[$fieldname] );
1275                         }
1276                 }
1277
1278                 return $data;
1279         }
1280 }