includes/Preferences.php

   1 <?php
   2 /**
   3  * We're now using the HTMLForm object with some customisation to generate the
   4  * Preferences form. This object handles generic submission, CSRF protection,
   5  * layout and other logic in a reusable manner. We subclass it as a PreferencesForm
   6  * to make some minor customisations.
   7  *
   8  * In order to generate the form, the HTMLForm object needs an array structure
   9  * detailing the form fields available, and that's what this class is for. Each
  10  * element of the array is a basic property-list, including the type of field,
  11  * the label it is to be given in the form, callbacks for validation and
  12  * 'filtering', and other pertinent information. Note that the 'default' field
  13  * is named for generic forms, and does not represent the preference's default
  14  * (which is stored in $wgDefaultUserOptions), but the default for the form
  15  * field, which should be whatever the user has set for that preference. There
  16  * is no need to override it unless you have some special storage logic (for
  17  * instance, those not presently stored as options, but which are best set from
  18  * the user preferences view).
  19  *
  20  * Field types are implemented as subclasses of the generic HTMLFormField
  21  * object, and typically implement at least getInputHTML, which generates the
  22  * HTML for the input field to be placed in the table.
  23  *
  24  * Once fields have been retrieved and validated, submission logic is handed
  25  * over to the tryUISubmit static method of this class.
  26  */
  27
  28 class Preferences {
  29         static $defaultPreferences = null;
  30         static $saveFilters = array(
  31                         'timecorrection' => array( 'Preferences', 'filterTimezoneInput' ),
  32                         'cols' => array( 'Preferences', 'filterIntval' ),
  33                         'rows' => array( 'Preferences', 'filterIntval' ),
  34                         'rclimit' => array( 'Preferences', 'filterIntval' ),
  35                         'wllimit' => array( 'Preferences', 'filterIntval' ),
  36                         'searchlimit' => array( 'Preferences', 'filterIntval' ),
  37         );
  38
  39         /**
  40          * @throws MWException
  41          * @param $user User
  42          * @return array|null
  43          */
  44         static function getPreferences( $user ) {
  45                 if ( self::$defaultPreferences ) {
  46                         return self::$defaultPreferences;
  47                 }
  48
  49                 $defaultPreferences = array();
  50
  51                 self::profilePreferences( $user, $defaultPreferences );
  52                 self::skinPreferences( $user, $defaultPreferences );
  53                 self::filesPreferences( $user, $defaultPreferences );
  54                 self::datetimePreferences( $user, $defaultPreferences );
  55                 self::renderingPreferences( $user, $defaultPreferences );
  56                 self::editingPreferences( $user, $defaultPreferences );
  57                 self::rcPreferences( $user, $defaultPreferences );
  58                 self::watchlistPreferences( $user, $defaultPreferences );
  59                 self::searchPreferences( $user, $defaultPreferences );
  60                 self::miscPreferences( $user, $defaultPreferences );
  61
  62                 wfRunHooks( 'GetPreferences', array( $user, &$defaultPreferences ) );
  63
  64                 ## Remove preferences that wikis don't want to use
  65                 global $wgHiddenPrefs;
  66                 foreach ( $wgHiddenPrefs as $pref ) {
  67                         if ( isset( $defaultPreferences[$pref] ) ) {
  68                                 unset( $defaultPreferences[$pref] );
  69                         }
  70                 }
  71
  72                 ## Prod in defaults from the user
  73                 foreach ( $defaultPreferences as $name => &$info ) {
  74                         $prefFromUser = self::getOptionFromUser( $name, $info, $user );
  75                         $field = HTMLForm::loadInputFromParameters( $name, $info ); // For validation
  76                         $defaultOptions = User::getDefaultOptions();
  77                         $globalDefault = isset( $defaultOptions[$name] )
  78                                 ? $defaultOptions[$name]
  79                                 : null;
  80
  81                         // If it validates, set it as the default
  82                         if ( isset( $info['default'] ) ) {
  83                                 // Already set, no problem
  84                                 continue;
  85                         } elseif ( !is_null( $prefFromUser ) && // Make sure we're not just pulling nothing
  86                                         $field->validate( $prefFromUser, $user->mOptions ) === true ) {
  87                                 $info['default'] = $prefFromUser;
  88                         } elseif ( $field->validate( $globalDefault, $user->mOptions ) === true ) {
  89                                 $info['default'] = $globalDefault;
  90                         } else {
  91                                 throw new MWException( "Global default '$globalDefault' is invalid for field $name" );
  92                         }
  93                 }
  94
  95                 self::$defaultPreferences = $defaultPreferences;
  96
  97                 return $defaultPreferences;
  98         }
  99
 100         /**
 101          * Pull option from a user account. Handles stuff like array-type preferences.
 102          *
 103          * @param $name
 104          * @param $info
 105          * @param $user User
 106          * @return array|String
 107          */
 108         static function getOptionFromUser( $name, $info, $user ) {
 109                 $val = $user->getOption( $name );
 110
 111                 // Handling for array-type preferences
 112                 if ( ( isset( $info['type'] ) && $info['type'] == 'multiselect' ) ||
 113                                 ( isset( $info['class'] ) && $info['class'] == 'HTMLMultiSelectField' ) ) {
 114                         $options = HTMLFormField::flattenOptions( $info['options'] );
 115                         $prefix = isset( $info['prefix'] ) ? $info['prefix'] : $name;
 116                         $val = array();
 117
 118                         foreach ( $options as $value ) {
 119                                 if ( $user->getOption( "$prefix$value" ) ) {
 120                                         $val[] = $value;
 121                                 }
 122                         }
 123                 }
 124
 125                 return $val;
 126         }
 127
 128         /**
 129          * @param $user User
 130          * @param $defaultPreferences
 131          * @return void
 132          */
 133         static function profilePreferences( $user, &$defaultPreferences ) {
 134                 global $wgLang, $wgUser;
 135                 ## User info #####################################
 136                 // Information panel
 137                 $defaultPreferences['username'] = array(
 138                         'type' => 'info',
 139                         'label-message' => 'username',
 140                         'default' => $user->getName(),
 141                         'section' => 'personal/info',
 142                 );
 143
 144                 $defaultPreferences['userid'] = array(
 145                         'type' => 'info',
 146                         'label-message' => 'uid',
 147                         'default' => $user->getId(),
 148                         'section' => 'personal/info',
 149                 );
 150
 151                 # Get groups to which the user belongs
 152                 $userEffectiveGroups = $user->getEffectiveGroups();
 153                 $userGroups = $userMembers = array();
 154                 foreach ( $userEffectiveGroups as $ueg ) {
 155                         if ( $ueg == '*' ) {
 156                                 // Skip the default * group, seems useless here
 157                                 continue;
 158                         }
 159                         $groupName  = User::getGroupName( $ueg );
 160                         $userGroups[] = User::makeGroupLinkHTML( $ueg, $groupName );
 161
 162                         $memberName = User::getGroupMember( $ueg );
 163                         $userMembers[] = User::makeGroupLinkHTML( $ueg, $memberName );
 164                 }
 165                 asort( $userGroups );
 166                 asort( $userMembers );
 167
 168                 $defaultPreferences['usergroups'] = array(
 169                         'type' => 'info',
 170                         'label' => wfMsgExt(
 171                                 'prefs-memberingroups', 'parseinline',
 172                                 $wgLang->formatNum( count( $userGroups ) )
 173                         ),
 174                         'default' => wfMsgExt(
 175                                 'prefs-memberingroups-type', array(),
 176                                 $wgLang->commaList( $userGroups ),
 177                                 $wgLang->commaList( $userMembers )
 178                         ),
 179                         'raw' => true,
 180                         'section' => 'personal/info',
 181                 );
 182
 183                 $defaultPreferences['editcount'] = array(
 184                         'type' => 'info',
 185                         'label-message' => 'prefs-edits',
 186                         'default' => $wgLang->formatNum( $user->getEditCount() ),
 187                         'section' => 'personal/info',
 188                 );
 189
 190                 if ( $user->getRegistration() ) {
 191                         $defaultPreferences['registrationdate'] = array(
 192                                 'type' => 'info',
 193                                 'label-message' => 'prefs-registration',
 194                                 'default' => wfMsgExt(
 195                                         'prefs-registration-date-time', 'parsemag',
 196                                         $wgLang->timeanddate( $user->getRegistration(), true ),
 197                                         $wgLang->date( $user->getRegistration(), true ),
 198                                         $wgLang->time( $user->getRegistration(), true )
 199                                 ),
 200                                 'section' => 'personal/info',
 201                         );
 202                 }
 203
 204                 // Actually changeable stuff
 205                 global $wgAuth;
 206                 $defaultPreferences['realname'] = array(
 207                         'type' => $wgAuth->allowPropChange( 'realname' ) ? 'text' : 'info',
 208                         'default' => $user->getRealName(),
 209                         'section' => 'personal/info',
 210                         'label-message' => 'yourrealname',
 211                         'help-message' => 'prefs-help-realname',
 212                 );
 213
 214                 $defaultPreferences['gender'] = array(
 215                         'type' => 'select',
 216                         'section' => 'personal/info',
 217                         'options' => array(
 218                                 wfMsg( 'gender-male' ) => 'male',
 219                                 wfMsg( 'gender-female' ) => 'female',
 220                                 wfMsg( 'gender-unknown' ) => 'unknown',
 221                         ),
 222                         'label-message' => 'yourgender',
 223                         'help-message' => 'prefs-help-gender',
 224                 );
 225
 226                 if ( $wgAuth->allowPasswordChange() ) {
 227                         $link = $wgUser->getSkin()->link( SpecialPage::getTitleFor( 'ChangePassword' ),
 228                                 wfMsgHtml( 'prefs-resetpass' ), array(),
 229                                 array( 'returnto' => SpecialPage::getTitleFor( 'Preferences' ) ) );
 230
 231                         $defaultPreferences['password'] = array(
 232                                 'type' => 'info',
 233                                 'raw' => true,
 234                                 'default' => $link,
 235                                 'label-message' => 'yourpassword',
 236                                 'section' => 'personal/info',
 237                         );
 238                 }
 239                 global $wgCookieExpiration;
 240                 if ( $wgCookieExpiration > 0 ) {
 241                         $defaultPreferences['rememberpassword'] = array(
 242                                 'type' => 'toggle',
 243                                 'label' => wfMsgExt(
 244                                         'tog-rememberpassword',
 245                                         array( 'parsemag' ),
 246                                         $wgLang->formatNum( ceil( $wgCookieExpiration / ( 3600 * 24 ) ) )
 247                                         ),
 248                                 'section' => 'personal/info',
 249                         );
 250                 }
 251
 252                 // Language
 253                 global $wgLanguageCode;
 254                 $languages = Language::getLanguageNames( false );
 255                 if ( !array_key_exists( $wgLanguageCode, $languages ) ) {
 256                         $languages[$wgLanguageCode] = $wgLanguageCode;
 257                 }
 258                 ksort( $languages );
 259
 260                 $options = array();
 261                 foreach ( $languages as $code => $name ) {
 262                         $display = wfBCP47( $code ) . ' - ' . $name;
 263                         $options[$display] = $code;
 264                 }
 265                 $defaultPreferences['language'] = array(
 266                         'type' => 'select',
 267                         'section' => 'personal/i18n',
 268                         'options' => $options,
 269                         'label-message' => 'yourlanguage',
 270                 );
 271
 272                 global $wgContLang, $wgDisableLangConversion;
 273                 global $wgDisableTitleConversion;
 274                 /* see if there are multiple language variants to choose from*/
 275                 $variantArray = array();
 276                 if ( !$wgDisableLangConversion ) {
 277                         $variants = $wgContLang->getVariants();
 278
 279                         $languages = Language::getLanguageNames( true );
 280                         foreach ( $variants as $v ) {
 281                                 $v = str_replace( '_', '-', strtolower( $v ) );
 282                                 if ( array_key_exists( $v, $languages ) ) {
 283                                         // If it doesn't have a name, we'll pretend it doesn't exist
 284                                         $variantArray[$v] = $languages[$v];
 285                                 }
 286                         }
 287
 288                         $options = array();
 289                         foreach ( $variantArray as $code => $name ) {
 290                                 $display = wfBCP47( $code ) . ' - ' . $name;
 291                                 $options[$display] = $code;
 292                         }
 293
 294                         if ( count( $variantArray ) > 1 ) {
 295                                 $defaultPreferences['variant'] = array(
 296                                         'label-message' => 'yourvariant',
 297                                         'type' => 'select',
 298                                         'options' => $options,
 299                                         'section' => 'personal/i18n',
 300                                 );
 301                         }
 302                 }
 303
 304                 if ( count( $variantArray ) > 1 && !$wgDisableLangConversion && !$wgDisableTitleConversion ) {
 305                         $defaultPreferences['noconvertlink'] =
 306                                         array(
 307                                 'type' => 'toggle',
 308                                 'section' => 'personal/i18n',
 309                                 'label-message' => 'tog-noconvertlink',
 310                         );
 311                 }
 312
 313                 global $wgMaxSigChars, $wgOut, $wgParser;
 314
 315                 // show a preview of the old signature first
 316                 $oldsigWikiText = $wgParser->preSaveTransform( "~~~", new Title, $user, new ParserOptions );
 317                 $oldsigHTML = $wgOut->parseInline( $oldsigWikiText );
 318                 $defaultPreferences['oldsig'] = array(
 319                         'type' => 'info',
 320                         'raw' => true,
 321                         'label-message' => 'tog-oldsig',
 322                         'default' => $oldsigHTML,
 323                         'section' => 'personal/signature',
 324                 );
 325                 $defaultPreferences['nickname'] = array(
 326                         'type' => $wgAuth->allowPropChange( 'nickname' ) ? 'text' : 'info',
 327                         'maxlength' => $wgMaxSigChars,
 328                         'label-message' => 'yournick',
 329                         'validation-callback' => array( 'Preferences', 'validateSignature' ),
 330                         'section' => 'personal/signature',
 331                         'filter-callback' => array( 'Preferences', 'cleanSignature' ),
 332                 );
 333                 $defaultPreferences['fancysig'] = array(
 334                         'type' => 'toggle',
 335                         'label-message' => 'tog-fancysig',
 336                         'help-message' => 'prefs-help-signature', // show general help about signature at the bottom of the section
 337                         'section' => 'personal/signature'
 338                 );
 339
 340                 ## Email stuff
 341
 342                 global $wgEnableEmail;
 343                 if ( $wgEnableEmail ) {
 344                         global $wgEmailConfirmToEdit;
 345                         global $wgEnableUserEmail;
 346
 347                         $helpMessages[] = $wgEmailConfirmToEdit
 348                                         ? 'prefs-help-email-required'
 349                                         : 'prefs-help-email' ;
 350
 351                         if( $wgEnableUserEmail ) {
 352                                 // additional messages when users can send email to each other
 353                                 $helpMessages[] = 'prefs-help-email-others';
 354                         }
 355
 356                         $defaultPreferences['emailaddress'] = array(
 357                                 'type' => $wgAuth->allowPropChange( 'emailaddress' ) ? 'email' : 'info',
 358                                 'default' => $user->getEmail(),
 359                                 'section' => 'personal/email',
 360                                 'label-message' => 'youremail',
 361                                 'help-messages' => $helpMessages,
 362                                 'validation-callback' => array( 'Preferences', 'validateEmail' ),
 363                         );
 364
 365                         global $wgEmailAuthentication;
 366
 367                         $disableEmailPrefs = false;
 368
 369                         if ( $wgEmailAuthentication ) {
 370                                 if ( $user->getEmail() ) {
 371                                         if ( $user->getEmailAuthenticationTimestamp() ) {
 372                                                 // date and time are separate parameters to facilitate localisation.
 373                                                 // $time is kept for backward compat reasons.
 374                                                 // 'emailauthenticated' is also used in SpecialConfirmemail.php
 375                                                 $time = $wgLang->timeAndDate( $user->getEmailAuthenticationTimestamp(), true );
 376                                                 $d = $wgLang->date( $user->getEmailAuthenticationTimestamp(), true );
 377                                                 $t = $wgLang->time( $user->getEmailAuthenticationTimestamp(), true );
 378                                                 $emailauthenticated = wfMsgExt(
 379                                                         'emailauthenticated', 'parseinline',
 380                                                         array( $time, $d, $t )
 381                                                 ) . '<br />';
 382                                                 $disableEmailPrefs = false;
 383                                         } else {
 384                                                 $disableEmailPrefs = true;
 385                                                 $skin = $wgUser->getSkin();
 386                                                 $emailauthenticated = wfMsgExt( 'emailnotauthenticated', 'parseinline' ) . '<br />' .
 387                                                         $skin->link(
 388                                                                 SpecialPage::getTitleFor( 'Confirmemail' ),
 389                                                                 wfMsg( 'emailconfirmlink' ),
 390                                                                 array(),
 391                                                                 array(),
 392                                                                 array( 'known', 'noclasses' )
 393                                                         ) . '<br />';
 394                                         }
 395                                 } else {
 396                                         $disableEmailPrefs = true;
 397                                         $emailauthenticated = wfMsgHtml( 'noemailprefs' );
 398                                 }
 399
 400                                 $defaultPreferences['emailauthentication'] = array(
 401                                         'type' => 'info',
 402                                         'raw' => true,
 403                                         'section' => 'personal/email',
 404                                         'label-message' => 'prefs-emailconfirm-label',
 405                                         'default' => $emailauthenticated,
 406                                 );
 407
 408                         }
 409
 410                         if ( $wgEnableUserEmail && $user->isAllowed( 'sendemail' ) ) {
 411                                 $defaultPreferences['disablemail'] = array(
 412                                         'type' => 'toggle',
 413                                         'invert' => true,
 414                                         'section' => 'personal/email',
 415                                         'label-message' => 'allowemail',
 416                                         'disabled' => $disableEmailPrefs,
 417                                 );
 418                                 $defaultPreferences['ccmeonemails'] = array(
 419                                         'type' => 'toggle',
 420                                         'section' => 'personal/email',
 421                                         'label-message' => 'tog-ccmeonemails',
 422                                         'disabled' => $disableEmailPrefs,
 423                                 );
 424                         }
 425
 426                         global $wgEnotifWatchlist;
 427                         if ( $wgEnotifWatchlist ) {
 428                                 $defaultPreferences['enotifwatchlistpages'] = array(
 429                                         'type' => 'toggle',
 430                                         'section' => 'personal/email',
 431                                         'label-message' => 'tog-enotifwatchlistpages',
 432                                         'disabled' => $disableEmailPrefs,
 433                                 );
 434                         }
 435                         global $wgEnotifUserTalk;
 436                         if ( $wgEnotifUserTalk ) {
 437                                 $defaultPreferences['enotifusertalkpages'] = array(
 438                                         'type' => 'toggle',
 439                                         'section' => 'personal/email',
 440                                         'label-message' => 'tog-enotifusertalkpages',
 441                                         'disabled' => $disableEmailPrefs,
 442                                 );
 443                         }
 444                         if ( $wgEnotifUserTalk || $wgEnotifWatchlist ) {
 445                                 $defaultPreferences['enotifminoredits'] = array(
 446                                         'type' => 'toggle',
 447                                         'section' => 'personal/email',
 448                                         'label-message' => 'tog-enotifminoredits',
 449                                         'disabled' => $disableEmailPrefs,
 450                                 );
 451
 452                                 global $wgEnotifRevealEditorAddress;
 453                                 if ( $wgEnotifRevealEditorAddress ) {
 454                                         $defaultPreferences['enotifrevealaddr'] = array(
 455                                                 'type' => 'toggle',
 456                                                 'section' => 'personal/email',
 457                                                 'label-message' => 'tog-enotifrevealaddr',
 458                                                 'disabled' => $disableEmailPrefs,
 459                                         );
 460                                 }
 461                         }
 462                 }
 463         }
 464
 465         /**
 466          * @param $user User
 467          * @param $defaultPreferences
 468          * @return void
 469          */
 470         static function skinPreferences( $user, &$defaultPreferences ) {
 471                 ## Skin #####################################
 472                 global $wgLang, $wgAllowUserCss, $wgAllowUserJs;
 473
 474                 $defaultPreferences['skin'] = array(
 475                         'type' => 'radio',
 476                         'options' => self::generateSkinOptions( $user ),
 477                         'label' => '&#160;',
 478                         'section' => 'rendering/skin',
 479                 );
 480
 481                 # Create links to user CSS/JS pages for all skins
 482                 # This code is basically copied from generateSkinOptions().  It'd
 483                 # be nice to somehow merge this back in there to avoid redundancy.
 484                 if ( $wgAllowUserCss || $wgAllowUserJs ) {
 485                         $sk = $user->getSkin();
 486                         $linkTools = array();
 487
 488                         if ( $wgAllowUserCss ) {
 489                                 $cssPage = Title::makeTitleSafe( NS_USER, $user->getName() . '/common.css' );
 490                                 $linkTools[] = $sk->link( $cssPage, wfMsgHtml( 'prefs-custom-css' ) );
 491                         }
 492
 493                         if ( $wgAllowUserJs ) {
 494                                 $jsPage = Title::makeTitleSafe( NS_USER, $user->getName() . '/common.js' );
 495                                 $linkTools[] = $sk->link( $jsPage, wfMsgHtml( 'prefs-custom-js' ) );
 496                         }
 497
 498                         $defaultPreferences['commoncssjs'] = array(
 499                                 'type' => 'info',
 500                                 'raw' => true,
 501                                 'default' => $wgLang->pipeList( $linkTools ),
 502                                 'label-message' => 'prefs-common-css-js',
 503                                 'section' => 'rendering/skin',
 504                         );
 505                 }
 506
 507                 $selectedSkin = $user->getOption( 'skin' );
 508                 if ( in_array( $selectedSkin, array( 'cologneblue', 'standard' ) ) ) {
 509                         $settings = array_flip( $wgLang->getQuickbarSettings() );
 510
 511                         $defaultPreferences['quickbar'] = array(
 512                                 'type' => 'radio',
 513                                 'options' => $settings,
 514                                 'section' => 'rendering/skin',
 515                                 'label-message' => 'qbsettings',
 516                         );
 517                 }
 518         }
 519
 520         static function filesPreferences( $user, &$defaultPreferences ) {
 521                 ## Files #####################################
 522                 $defaultPreferences['imagesize'] = array(
 523                         'type' => 'select',
 524                         'options' => self::getImageSizes(),
 525                         'label-message' => 'imagemaxsize',
 526                         'section' => 'rendering/files',
 527                 );
 528                 $defaultPreferences['thumbsize'] = array(
 529                         'type' => 'select',
 530                         'options' => self::getThumbSizes(),
 531                         'label-message' => 'thumbsize',
 532                         'section' => 'rendering/files',
 533                 );
 534         }
 535
 536         /**
 537          * @param $user User
 538          * @param $defaultPreferences
 539          * @return void
 540          */
 541         static function datetimePreferences( $user, &$defaultPreferences ) {
 542                 global $wgLang;
 543
 544                 ## Date and time #####################################
 545                 $dateOptions = self::getDateOptions();
 546                 if ( $dateOptions ) {
 547                         $defaultPreferences['date'] = array(
 548                                 'type' => 'radio',
 549                                 'options' => $dateOptions,
 550                                 'label' => '&#160;',
 551                                 'section' => 'datetime/dateformat',
 552                         );
 553                 }
 554
 555                 // Info
 556                 $now = wfTimestampNow();
 557                 $nowlocal = Xml::element( 'span', array( 'id' => 'wpLocalTime' ),
 558                         $wgLang->time( $now, true ) );
 559                 $nowserver = $wgLang->time( $now, false ) .
 560                         Html::hidden( 'wpServerTime', (int)substr( $now, 8, 2 ) * 60 + (int)substr( $now, 10, 2 ) );
 561
 562                 $defaultPreferences['nowserver'] = array(
 563                         'type' => 'info',
 564                         'raw' => 1,
 565                         'label-message' => 'servertime',
 566                         'default' => $nowserver,
 567                         'section' => 'datetime/timeoffset',
 568                 );
 569
 570                 $defaultPreferences['nowlocal'] = array(
 571                         'type' => 'info',
 572                         'raw' => 1,
 573                         'label-message' => 'localtime',
 574                         'default' => $nowlocal,
 575                         'section' => 'datetime/timeoffset',
 576                 );
 577
 578                 // Grab existing pref.
 579                 $tzOffset = $user->getOption( 'timecorrection' );
 580                 $tz = explode( '|', $tzOffset, 2 );
 581
 582                 $tzSetting = $tzOffset;
 583                 if ( count( $tz ) > 1 && $tz[0] == 'Offset' ) {
 584                         $minDiff = $tz[1];
 585                         $tzSetting = sprintf( '%+03d:%02d', floor( $minDiff / 60 ), abs( $minDiff ) % 60 );
 586                 }
 587
 588                 $defaultPreferences['timecorrection'] = array(
 589                         'class' => 'HTMLSelectOrOtherField',
 590                         'label-message' => 'timezonelegend',
 591                         'options' => self::getTimezoneOptions(),
 592                         'default' => $tzSetting,
 593                         'size' => 20,
 594                         'section' => 'datetime/timeoffset',
 595                 );
 596         }
 597
 598         static function renderingPreferences( $user, &$defaultPreferences ) {
 599                 ## Page Rendering ##############################
 600                 global $wgAllowUserCssPrefs;
 601                 if ( $wgAllowUserCssPrefs ) {
 602                         $defaultPreferences['underline'] = array(
 603                                 'type' => 'select',
 604                                 'options' => array(
 605                                         wfMsg( 'underline-never' ) => 0,
 606                                         wfMsg( 'underline-always' ) => 1,
 607                                         wfMsg( 'underline-default' ) => 2,
 608                                 ),
 609                                 'label-message' => 'tog-underline',
 610                                 'section' => 'rendering/advancedrendering',
 611                         );
 612                 }
 613
 614                 $stubThresholdValues = array( 50, 100, 500, 1000, 2000, 5000, 10000 );
 615                 $stubThresholdOptions = array( wfMsg( 'stub-threshold-disabled' ) => 0 );
 616                 foreach ( $stubThresholdValues as $value ) {
 617                         $stubThresholdOptions[wfMsg( 'size-bytes', $value )] = $value;
 618                 }
 619
 620                 $defaultPreferences['stubthreshold'] = array(
 621                         'type' => 'selectorother',
 622                         'section' => 'rendering/advancedrendering',
 623                         'options' => $stubThresholdOptions,
 624                         'size' => 20,
 625                         'label' => wfMsg( 'stub-threshold' ), // Raw HTML message. Yay?
 626                 );
 627
 628                 if ( $wgAllowUserCssPrefs ) {
 629                         $defaultPreferences['highlightbroken'] = array(
 630                                 'type' => 'toggle',
 631                                 'section' => 'rendering/advancedrendering',
 632                                 'label' => wfMsg( 'tog-highlightbroken' ), // Raw HTML
 633                         );
 634                         $defaultPreferences['showtoc'] = array(
 635                                 'type' => 'toggle',
 636                                 'section' => 'rendering/advancedrendering',
 637                                 'label-message' => 'tog-showtoc',
 638                         );
 639                 }
 640                 $defaultPreferences['nocache'] = array(
 641                         'type' => 'toggle',
 642                         'label-message' => 'tog-nocache',
 643                         'section' => 'rendering/advancedrendering',
 644                 );
 645                 $defaultPreferences['showhiddencats'] = array(
 646                         'type' => 'toggle',
 647                         'section' => 'rendering/advancedrendering',
 648                         'label-message' => 'tog-showhiddencats'
 649                 );
 650                 $defaultPreferences['showjumplinks'] = array(
 651                         'type' => 'toggle',
 652                         'section' => 'rendering/advancedrendering',
 653                         'label-message' => 'tog-showjumplinks',
 654                 );
 655
 656                 if ( $wgAllowUserCssPrefs ) {
 657                         $defaultPreferences['justify'] = array(
 658                                 'type' => 'toggle',
 659                                 'section' => 'rendering/advancedrendering',
 660                                 'label-message' => 'tog-justify',
 661                         );
 662                 }
 663
 664                 $defaultPreferences['numberheadings'] = array(
 665                         'type' => 'toggle',
 666                         'section' => 'rendering/advancedrendering',
 667                         'label-message' => 'tog-numberheadings',
 668                 );
 669         }
 670
 671         static function editingPreferences( $user, &$defaultPreferences ) {
 672                 global $wgUseExternalEditor, $wgAllowUserCssPrefs;
 673
 674                 ## Editing #####################################
 675                 $defaultPreferences['cols'] = array(
 676                         'type' => 'int',
 677                         'label-message' => 'columns',
 678                         'section' => 'editing/textboxsize',
 679                         'min' => 4,
 680                         'max' => 1000,
 681                 );
 682                 $defaultPreferences['rows'] = array(
 683                         'type' => 'int',
 684                         'label-message' => 'rows',
 685                         'section' => 'editing/textboxsize',
 686                         'min' => 4,
 687                         'max' => 1000,
 688                 );
 689
 690                 if ( $wgAllowUserCssPrefs ) {
 691                         $defaultPreferences['editfont'] = array(
 692                                 'type' => 'select',
 693                                 'section' => 'editing/advancedediting',
 694                                 'label-message' => 'editfont-style',
 695                                 'options' => array(
 696                                         wfMsg( 'editfont-default' ) => 'default',
 697                                         wfMsg( 'editfont-monospace' ) => 'monospace',
 698                                         wfMsg( 'editfont-sansserif' ) => 'sans-serif',
 699                                         wfMsg( 'editfont-serif' ) => 'serif',
 700                                 )
 701                         );
 702                 }
 703                 $defaultPreferences['previewontop'] = array(
 704                         'type' => 'toggle',
 705                         'section' => 'editing/advancedediting',
 706                         'label-message' => 'tog-previewontop',
 707                 );
 708                 $defaultPreferences['previewonfirst'] = array(
 709                         'type' => 'toggle',
 710                         'section' => 'editing/advancedediting',
 711                         'label-message' => 'tog-previewonfirst',
 712                 );
 713
 714                 if ( $wgAllowUserCssPrefs ) {
 715                         $defaultPreferences['editsection'] = array(
 716                                 'type' => 'toggle',
 717                                 'section' => 'editing/advancedediting',
 718                                 'label-message' => 'tog-editsection',
 719                         );
 720                 }
 721                 $defaultPreferences['editsectiononrightclick'] = array(
 722                         'type' => 'toggle',
 723                         'section' => 'editing/advancedediting',
 724                         'label-message' => 'tog-editsectiononrightclick',
 725                 );
 726                 $defaultPreferences['editondblclick'] = array(
 727                         'type' => 'toggle',
 728                         'section' => 'editing/advancedediting',
 729                         'label-message' => 'tog-editondblclick',
 730                 );
 731                 $defaultPreferences['showtoolbar'] = array(
 732                         'type' => 'toggle',
 733                         'section' => 'editing/advancedediting',
 734                         'label-message' => 'tog-showtoolbar',
 735                 );
 736                 $defaultPreferences['minordefault'] = array(
 737                         'type' => 'toggle',
 738                         'section' => 'editing/advancedediting',
 739                         'label-message' => 'tog-minordefault',
 740                 );
 741
 742                 if ( $wgUseExternalEditor ) {
 743                         $defaultPreferences['externaleditor'] = array(
 744                                 'type' => 'toggle',
 745                                 'section' => 'editing/advancedediting',
 746                                 'label-message' => 'tog-externaleditor',
 747                         );
 748                         $defaultPreferences['externaldiff'] = array(
 749                                 'type' => 'toggle',
 750                                 'section' => 'editing/advancedediting',
 751                                 'label-message' => 'tog-externaldiff',
 752                         );
 753                 }
 754
 755                 $defaultPreferences['forceeditsummary'] = array(
 756                         'type' => 'toggle',
 757                         'section' => 'editing/advancedediting',
 758                         'label-message' => 'tog-forceeditsummary',
 759                 );
 760
 761
 762                 $defaultPreferences['uselivepreview'] = array(
 763                         'type' => 'toggle',
 764                         'section' => 'editing/advancedediting',
 765                         'label-message' => 'tog-uselivepreview',
 766                 );
 767         }
 768
 769         static function rcPreferences( $user, &$defaultPreferences ) {
 770                 global $wgRCMaxAge, $wgUseRCPatrol, $wgLang;
 771
 772                 ## RecentChanges #####################################
 773                 $defaultPreferences['rcdays'] = array(
 774                         'type' => 'float',
 775                         'label-message' => 'recentchangesdays',
 776                         'section' => 'rc/displayrc',
 777                         'min' => 1,
 778                         'max' => ceil( $wgRCMaxAge / ( 3600 * 24 ) ),
 779                         'help' => wfMsgExt(
 780                                 'recentchangesdays-max',
 781                                 array( 'parsemag' ),
 782                                 $wgLang->formatNum( ceil( $wgRCMaxAge / ( 3600 * 24 ) ) )
 783                         )
 784                 );
 785                 $defaultPreferences['rclimit'] = array(
 786                         'type' => 'int',
 787                         'label-message' => 'recentchangescount',
 788                         'help-message' => 'prefs-help-recentchangescount',
 789                         'section' => 'rc/displayrc',
 790                 );
 791                 $defaultPreferences['usenewrc'] = array(
 792                         'type' => 'toggle',
 793                         'label-message' => 'tog-usenewrc',
 794                         'section' => 'rc/advancedrc',
 795                 );
 796                 $defaultPreferences['hideminor'] = array(
 797                         'type' => 'toggle',
 798                         'label-message' => 'tog-hideminor',
 799                         'section' => 'rc/advancedrc',
 800                 );
 801
 802                 if ( $wgUseRCPatrol ) {
 803                         $defaultPreferences['hidepatrolled'] = array(
 804                                 'type' => 'toggle',
 805                                 'section' => 'rc/advancedrc',
 806                                 'label-message' => 'tog-hidepatrolled',
 807                         );
 808                         $defaultPreferences['newpageshidepatrolled'] = array(
 809                                 'type' => 'toggle',
 810                                 'section' => 'rc/advancedrc',
 811                                 'label-message' => 'tog-newpageshidepatrolled',
 812                         );
 813                 }
 814
 815                 global $wgRCShowWatchingUsers;
 816                 if ( $wgRCShowWatchingUsers ) {
 817                         $defaultPreferences['shownumberswatching'] = array(
 818                                 'type' => 'toggle',
 819                                 'section' => 'rc/advancedrc',
 820                                 'label-message' => 'tog-shownumberswatching',
 821                         );
 822                 }
 823         }
 824
 825         /**
 826          * @param $user User
 827          * @param $defaultPreferences
 828          * @return void
 829          */
 830         static function watchlistPreferences( $user, &$defaultPreferences ) {
 831                 global $wgUseRCPatrol, $wgEnableAPI;
 832
 833                 ## Watchlist #####################################
 834                 $defaultPreferences['watchlistdays'] = array(
 835                         'type' => 'float',
 836                         'min' => 0,
 837                         'max' => 7,
 838                         'section' => 'watchlist/displaywatchlist',
 839                         'help' => wfMsgHtml( 'prefs-watchlist-days-max' ),
 840                         'label-message' => 'prefs-watchlist-days',
 841                 );
 842                 $defaultPreferences['wllimit'] = array(
 843                         'type' => 'int',
 844                         'min' => 0,
 845                         'max' => 1000,
 846                         'label-message' => 'prefs-watchlist-edits',
 847                         'help' => wfMsgHtml( 'prefs-watchlist-edits-max' ),
 848                         'section' => 'watchlist/displaywatchlist',
 849                 );
 850                 $defaultPreferences['extendwatchlist'] = array(
 851                         'type' => 'toggle',
 852                         'section' => 'watchlist/advancedwatchlist',
 853                         'label-message' => 'tog-extendwatchlist',
 854                 );
 855                 $defaultPreferences['watchlisthideminor'] = array(
 856                         'type' => 'toggle',
 857                         'section' => 'watchlist/advancedwatchlist',
 858                         'label-message' => 'tog-watchlisthideminor',
 859                 );
 860                 $defaultPreferences['watchlisthidebots'] = array(
 861                         'type' => 'toggle',
 862                         'section' => 'watchlist/advancedwatchlist',
 863                         'label-message' => 'tog-watchlisthidebots',
 864                 );
 865                 $defaultPreferences['watchlisthideown'] = array(
 866                         'type' => 'toggle',
 867                         'section' => 'watchlist/advancedwatchlist',
 868                         'label-message' => 'tog-watchlisthideown',
 869                 );
 870                 $defaultPreferences['watchlisthideanons'] = array(
 871                         'type' => 'toggle',
 872                         'section' => 'watchlist/advancedwatchlist',
 873                         'label-message' => 'tog-watchlisthideanons',
 874                 );
 875                 $defaultPreferences['watchlisthideliu'] = array(
 876                         'type' => 'toggle',
 877                         'section' => 'watchlist/advancedwatchlist',
 878                         'label-message' => 'tog-watchlisthideliu',
 879                 );
 880
 881                 if ( $wgUseRCPatrol ) {
 882                         $defaultPreferences['watchlisthidepatrolled'] = array(
 883                                 'type' => 'toggle',
 884                                 'section' => 'watchlist/advancedwatchlist',
 885                                 'label-message' => 'tog-watchlisthidepatrolled',
 886                         );
 887                 }
 888
 889                 if ( $wgEnableAPI ) {
 890                         # Some random gibberish as a proposed default
 891                         $hash = sha1( mt_rand() . microtime( true ) );
 892
 893                         $defaultPreferences['watchlisttoken'] = array(
 894                                 'type' => 'text',
 895                                 'section' => 'watchlist/advancedwatchlist',
 896                                 'label-message' => 'prefs-watchlist-token',
 897                                 'help' => wfMsgHtml( 'prefs-help-watchlist-token', $hash )
 898                         );
 899                 }
 900
 901                 $watchTypes = array(
 902                         'edit' => 'watchdefault',
 903                         'move' => 'watchmoves',
 904                         'delete' => 'watchdeletion'
 905                 );
 906
 907                 // Kinda hacky
 908                 if ( $user->isAllowed( 'createpage' ) || $user->isAllowed( 'createtalk' ) ) {
 909                         $watchTypes['read'] = 'watchcreations';
 910                 }
 911
 912                 foreach ( $watchTypes as $action => $pref ) {
 913                         if ( $user->isAllowed( $action ) ) {
 914                                 $defaultPreferences[$pref] = array(
 915                                         'type' => 'toggle',
 916                                         'section' => 'watchlist/advancedwatchlist',
 917                                         'label-message' => "tog-$pref",
 918                                 );
 919                         }
 920                 }
 921         }
 922
 923         static function searchPreferences( $user, &$defaultPreferences ) {
 924                 global $wgContLang;
 925
 926                 ## Search #####################################
 927                 $defaultPreferences['searchlimit'] = array(
 928                         'type' => 'int',
 929                         'label-message' => 'resultsperpage',
 930                         'section' => 'searchoptions/displaysearchoptions',
 931                         'min' => 0,
 932                 );
 933                 $defaultPreferences['contextlines'] = array(
 934                         'type' => 'int',
 935                         'label-message' => 'contextlines',
 936                         'section' => 'searchoptions/displaysearchoptions',
 937                         'min' => 0,
 938                 );
 939                 $defaultPreferences['contextchars'] = array(
 940                         'type' => 'int',
 941                         'label-message' => 'contextchars',
 942                         'section' => 'searchoptions/displaysearchoptions',
 943                         'min' => 0,
 944                 );
 945
 946                 global $wgEnableMWSuggest;
 947                 if ( $wgEnableMWSuggest ) {
 948                         $defaultPreferences['disablesuggest'] = array(
 949                                 'type' => 'toggle',
 950                                 'label-message' => 'mwsuggest-disable',
 951                                 'section' => 'searchoptions/displaysearchoptions',
 952                         );
 953                 }
 954
 955                 global $wgVectorUseSimpleSearch;
 956                 if ( $wgVectorUseSimpleSearch ) {
 957                         $defaultPreferences['vector-simplesearch'] = array(
 958                                 'type' => 'toggle',
 959                                 'label-message' => 'vector-simplesearch-preference',
 960                                 'section' => 'searchoptions/displaysearchoptions'
 961                         );
 962                 }
 963
 964                 $defaultPreferences['searcheverything'] = array(
 965                         'type' => 'toggle',
 966                         'label-message' => 'searcheverything-enable',
 967                         'section' => 'searchoptions/advancedsearchoptions',
 968                 );
 969
 970                 $nsOptions = array();
 971
 972                 foreach ( $wgContLang->getNamespaces() as $ns => $name ) {
 973                         if ( $ns < 0 ) {
 974                                 continue;
 975                         }
 976
 977                         $displayNs = str_replace( '_', ' ', $name );
 978
 979                         if ( !$displayNs ) {
 980                                 $displayNs = wfMsg( 'blanknamespace' );
 981                         }
 982
 983                         $displayNs = htmlspecialchars( $displayNs );
 984                         $nsOptions[$displayNs] = $ns;
 985                 }
 986
 987                 $defaultPreferences['searchnamespaces'] = array(
 988                         'type' => 'multiselect',
 989                         'label-message' => 'defaultns',
 990                         'options' => $nsOptions,
 991                         'section' => 'searchoptions/advancedsearchoptions',
 992                         'prefix' => 'searchNs',
 993                 );
 994         }
 995
 996         static function miscPreferences( $user, &$defaultPreferences ) {
 997                 ## Misc #####################################
 998                 $defaultPreferences['diffonly'] = array(
 999                         'type' => 'toggle',
1000                         'section' => 'misc/diffs',
1001                         'label-message' => 'tog-diffonly',
1002                 );
1003                 $defaultPreferences['norollbackdiff'] = array(
1004                         'type' => 'toggle',
1005                         'section' => 'misc/diffs',
1006                         'label-message' => 'tog-norollbackdiff',
1007                 );
1008
1009                 // Stuff from Language::getExtraUserToggles()
1010                 global $wgContLang;
1011
1012                 $toggles = $wgContLang->getExtraUserToggles();
1013
1014                 foreach ( $toggles as $toggle ) {
1015                         $defaultPreferences[$toggle] = array(
1016                                 'type' => 'toggle',
1017                                 'section' => 'personal/i18n',
1018                                 'label-message' => "tog-$toggle",
1019                         );
1020                 }
1021         }
1022
1023         /**
1024          * @param $user User The User object
1025          * @return Array: text/links to display as key; $skinkey as value
1026          */
1027         static function generateSkinOptions( $user ) {
1028                 global $wgDefaultSkin, $wgLang, $wgAllowUserCss, $wgAllowUserJs;
1029                 $ret = array();
1030
1031                 $mptitle = Title::newMainPage();
1032                 $previewtext = wfMsgHtml( 'skin-preview' );
1033
1034                 # Only show members of Skin::getSkinNames() rather than
1035                 # $skinNames (skins is all skin names from Language.php)
1036                 $validSkinNames = Skin::getUsableSkins();
1037
1038                 # Sort by UI skin name. First though need to update validSkinNames as sometimes
1039                 # the skinkey & UI skinname differ (e.g. "standard" skinkey is "Classic" in the UI).
1040                 foreach ( $validSkinNames as $skinkey => &$skinname ) {
1041                         $msg = wfMessage( "skinname-{$skinkey}" );
1042                         if ( $msg->exists() ) {
1043                                 $skinname = htmlspecialchars( $msg->text() );
1044                         }
1045                 }
1046                 asort( $validSkinNames );
1047                 $sk = $user->getSkin();
1048
1049                 foreach ( $validSkinNames as $skinkey => $sn ) {
1050                         $linkTools = array();
1051
1052                         # Mark the default skin
1053                         if ( $skinkey == $wgDefaultSkin ) {
1054                                 $linkTools[] = wfMsgHtml( 'default' );
1055                         }
1056
1057                         # Create preview link
1058                         $mplink = htmlspecialchars( $mptitle->getLocalURL( "useskin=$skinkey" ) );
1059                         $linkTools[] = "<a target='_blank' href=\"$mplink\">$previewtext</a>";
1060
1061                         # Create links to user CSS/JS pages
1062                         if ( $wgAllowUserCss ) {
1063                                 $cssPage = Title::makeTitleSafe( NS_USER, $user->getName() . '/' . $skinkey . '.css' );
1064                                 $linkTools[] = $sk->link( $cssPage, wfMsgHtml( 'prefs-custom-css' ) );
1065                         }
1066
1067                         if ( $wgAllowUserJs ) {
1068                                 $jsPage = Title::makeTitleSafe( NS_USER, $user->getName() . '/' . $skinkey . '.js' );
1069                                 $linkTools[] = $sk->link( $jsPage, wfMsgHtml( 'prefs-custom-js' ) );
1070                         }
1071
1072                         $display = $sn . ' ' . wfMsg( 'parentheses', $wgLang->pipeList( $linkTools ) );
1073                         $ret[$display] = $skinkey;
1074                 }
1075
1076                 return $ret;
1077         }
1078
1079         static function getDateOptions() {
1080                 global $wgLang;
1081                 $dateopts = $wgLang->getDatePreferences();
1082
1083                 $ret = array();
1084
1085                 if ( $dateopts ) {
1086                         if ( !in_array( 'default', $dateopts ) ) {
1087                                 $dateopts[] = 'default'; // Make sure default is always valid
1088                                                                                 // Bug 19237
1089                         }
1090
1091                         // KLUGE: site default might not be valid for user language
1092                         global $wgDefaultUserOptions;
1093                         if ( !in_array( $wgDefaultUserOptions['date'], $dateopts ) ) {
1094                                 $wgDefaultUserOptions['date'] = 'default';
1095                         }
1096
1097                         $epoch = wfTimestampNow();
1098                         foreach ( $dateopts as $key ) {
1099                                 if ( $key == 'default' ) {
1100                                         $formatted = wfMsgHtml( 'datedefault' );
1101                                 } else {
1102                                         $formatted = htmlspecialchars( $wgLang->timeanddate( $epoch, false, $key ) );
1103                                 }
1104                                 $ret[$formatted] = $key;
1105                         }
1106                 }
1107                 return $ret;
1108         }
1109
1110         static function getImageSizes() {
1111                 global $wgImageLimits;
1112
1113                 $ret = array();
1114
1115                 foreach ( $wgImageLimits as $index => $limits ) {
1116                         $display = "{$limits[0]}×{$limits[1]}" . wfMsg( 'unit-pixel' );
1117                         $ret[$display] = $index;
1118                 }
1119
1120                 return $ret;
1121         }
1122
1123         static function getThumbSizes() {
1124                 global $wgThumbLimits;
1125
1126                 $ret = array();
1127
1128                 foreach ( $wgThumbLimits as $index => $size ) {
1129                         $display = $size . wfMsg( 'unit-pixel' );
1130                         $ret[$display] = $index;
1131                 }
1132
1133                 return $ret;
1134         }
1135
1136         static function validateSignature( $signature, $alldata ) {
1137                 global $wgParser, $wgMaxSigChars, $wgLang;
1138                 if ( mb_strlen( $signature ) > $wgMaxSigChars ) {
1139                         return Xml::element( 'span', array( 'class' => 'error' ),
1140                                 wfMsgExt( 'badsiglength', 'parsemag',
1141                                         $wgLang->formatNum( $wgMaxSigChars )
1142                                 )
1143                         );
1144                 } elseif ( isset( $alldata['fancysig'] ) &&
1145                                 $alldata['fancysig'] &&
1146                                 false === $wgParser->validateSig( $signature ) ) {
1147                         return Xml::element( 'span', array( 'class' => 'error' ), wfMsg( 'badsig' ) );
1148                 } else {
1149                         return true;
1150                 }
1151         }
1152
1153         static function cleanSignature( $signature, $alldata ) {
1154                 global $wgParser;
1155                 if ( isset( $alldata['fancysig'] ) && $alldata['fancysig'] ) {
1156                         $signature = $wgParser->cleanSig( $signature );
1157                 } else {
1158                         // When no fancy sig used, make sure ~{3,5} get removed.
1159                         $signature = $wgParser->cleanSigInSig( $signature );
1160                 }
1161
1162                 return $signature;
1163         }
1164
1165         static function validateEmail( $email, $alldata ) {
1166                 if ( $email && !Sanitizer::validateEmail( $email ) ) {
1167                         return wfMsgExt( 'invalidemailaddress', 'parseinline' );
1168                 }
1169
1170                 global $wgEmailConfirmToEdit;
1171                 if ( $wgEmailConfirmToEdit && !$email ) {
1172                         return wfMsgExt( 'noemailtitle', 'parseinline' );
1173                 }
1174                 return true;
1175         }
1176
1177         static function getFormObject( $user, $formClass = 'PreferencesForm' ) {
1178                 $formDescriptor = Preferences::getPreferences( $user );
1179                 $htmlForm = new $formClass( $formDescriptor, 'prefs' );
1180
1181                 $htmlForm->setId( 'mw-prefs-form' );
1182                 $htmlForm->setSubmitText( wfMsg( 'saveprefs' ) );
1183                 # Used message keys: 'accesskey-preferences-save', 'tooltip-preferences-save'
1184                 $htmlForm->setSubmitTooltip( 'preferences-save' );
1185                 $htmlForm->setTitle( SpecialPage::getTitleFor( 'Preferences' ) );
1186                 $htmlForm->setSubmitID( 'prefsubmit' );
1187                 $htmlForm->setSubmitCallback( array( 'Preferences', 'tryFormSubmit' ) );
1188
1189                 return $htmlForm;
1190         }
1191
1192         static function getTimezoneOptions() {
1193                 $opt = array();
1194
1195                 global $wgLocalTZoffset;
1196
1197                 $opt[wfMsg( 'timezoneuseserverdefault' )] = "System|$wgLocalTZoffset";
1198                 $opt[wfMsg( 'timezoneuseoffset' )] = 'other';
1199                 $opt[wfMsg( 'guesstimezone' )] = 'guess';
1200
1201                 if ( function_exists( 'timezone_identifiers_list' ) ) {
1202                         # Read timezone list
1203                         $tzs = timezone_identifiers_list();
1204                         sort( $tzs );
1205
1206                         $tzRegions = array();
1207                         $tzRegions['Africa'] = wfMsg( 'timezoneregion-africa' );
1208                         $tzRegions['America'] = wfMsg( 'timezoneregion-america' );
1209                         $tzRegions['Antarctica'] = wfMsg( 'timezoneregion-antarctica' );
1210                         $tzRegions['Arctic'] = wfMsg( 'timezoneregion-arctic' );
1211                         $tzRegions['Asia'] = wfMsg( 'timezoneregion-asia' );
1212                         $tzRegions['Atlantic'] = wfMsg( 'timezoneregion-atlantic' );
1213                         $tzRegions['Australia'] = wfMsg( 'timezoneregion-australia' );
1214                         $tzRegions['Europe'] = wfMsg( 'timezoneregion-europe' );
1215                         $tzRegions['Indian'] = wfMsg( 'timezoneregion-indian' );
1216                         $tzRegions['Pacific'] = wfMsg( 'timezoneregion-pacific' );
1217                         asort( $tzRegions );
1218
1219                         $prefill = array_fill_keys( array_values( $tzRegions ), array() );
1220                         $opt = array_merge( $opt, $prefill );
1221
1222                         $now = date_create( 'now' );
1223
1224                         foreach ( $tzs as $tz ) {
1225                                 $z = explode( '/', $tz, 2 );
1226
1227                                 # timezone_identifiers_list() returns a number of
1228                                 # backwards-compatibility entries. This filters them out of the
1229                                 # list presented to the user.
1230                                 if ( count( $z ) != 2 || !array_key_exists( $z[0], $tzRegions ) ) {
1231                                         continue;
1232                                 }
1233
1234                                 # Localize region
1235                                 $z[0] = $tzRegions[$z[0]];
1236
1237                                 $minDiff = floor( timezone_offset_get( timezone_open( $tz ), $now ) / 60 );
1238
1239                                 $display = str_replace( '_', ' ', $z[0] . '/' . $z[1] );
1240                                 $value = "ZoneInfo|$minDiff|$tz";
1241
1242                                 $opt[$z[0]][$display] = $value;
1243                         }
1244                 }
1245                 return $opt;
1246         }
1247
1248         static function filterIntval( $value, $alldata ){
1249                 return intval( $value );
1250         }
1251
1252         static function filterTimezoneInput( $tz, $alldata ) {
1253                 $data = explode( '|', $tz, 3 );
1254                 switch ( $data[0] ) {
1255                         case 'ZoneInfo':
1256                         case 'System':
1257                                 return $tz;
1258                         default:
1259                                 $data = explode( ':', $tz, 2 );
1260                                 if ( count( $data ) == 2 ) {
1261                                         $data[0] = intval( $data[0] );
1262                                         $data[1] = intval( $data[1] );
1263                                         $minDiff = abs( $data[0] ) * 60 + $data[1];
1264                                         if ( $data[0] < 0 ) $minDiff = - $minDiff;
1265                                 } else {
1266                                         $minDiff = intval( $data[0] ) * 60;
1267                                 }
1268
1269                                 # Max is +14:00 and min is -12:00, see:
1270                                 # http://en.wikipedia.org/wiki/Timezone
1271                                 $minDiff = min( $minDiff, 840 );  # 14:00
1272                                 $minDiff = max( $minDiff, - 720 ); # -12:00
1273                                 return 'Offset|' . $minDiff;
1274                 }
1275         }
1276
1277         static function tryFormSubmit( $formData, $entryPoint = 'internal' ) {
1278                 global $wgUser, $wgEmailAuthentication, $wgEnableEmail;
1279
1280                 $result = true;
1281
1282                 // Filter input
1283                 foreach ( array_keys( $formData ) as $name ) {
1284                         if ( isset( self::$saveFilters[$name] ) ) {
1285                                 $formData[$name] =
1286                                         call_user_func( self::$saveFilters[$name], $formData[$name], $formData );
1287                         }
1288                 }
1289
1290                 // Stuff that shouldn't be saved as a preference.
1291                 $saveBlacklist = array(
1292                         'realname',
1293                         'emailaddress',
1294                 );
1295
1296                 if ( $wgEnableEmail ) {
1297                         $newaddr = $formData['emailaddress'];
1298                         $oldaddr = $wgUser->getEmail();
1299                         if ( ( $newaddr != '' ) && ( $newaddr != $oldaddr ) ) {
1300                                 # the user has supplied a new email address on the login page
1301                                 # new behaviour: set this new emailaddr from login-page into user database record
1302                                 $wgUser->setEmail( $newaddr );
1303                                 # but flag as "dirty" = unauthenticated
1304                                 $wgUser->invalidateEmail();
1305                                 if ( $wgEmailAuthentication ) {
1306                                         # Mail a temporary password to the dirty address.
1307                                         # User can come back through the confirmation URL to re-enable email.
1308                                         $type = $oldaddr != '' ? 'changed' : 'set';
1309                                         $result = $wgUser->sendConfirmationMail( $type );
1310                                         if ( !$result->isGood() ) {
1311                                                 return htmlspecialchars( $result->getWikiText( 'mailerror' ) );
1312                                         } elseif ( $entryPoint == 'ui' ) {
1313                                                 $result = 'eauth';
1314                                         }
1315                                 }
1316                         } else {
1317                                 $wgUser->setEmail( $newaddr );
1318                         }
1319                         if ( $oldaddr != $newaddr ) {
1320                                 wfRunHooks( 'PrefsEmailAudit', array( $wgUser, $oldaddr, $newaddr ) );
1321                         }
1322                 }
1323
1324                 // Fortunately, the realname field is MUCH simpler
1325                 global $wgHiddenPrefs;
1326                 if ( !in_array( 'realname', $wgHiddenPrefs ) ) {
1327                         $realName = $formData['realname'];
1328                         $wgUser->setRealName( $realName );
1329                 }
1330
1331                 foreach ( $saveBlacklist as $b ) {
1332                         unset( $formData[$b] );
1333                 }
1334
1335                 # If users have saved a value for a preference which has subsequently been disabled
1336                 # via $wgHiddenPrefs, we don't want to destroy that setting in case the preference
1337                 # is subsequently re-enabled
1338                 # TODO: maintenance script to actually delete these
1339                 foreach( $wgHiddenPrefs as $pref ){
1340                         # If the user has not set a non-default value here, the default will be returned
1341                         # and subsequently discarded
1342                         $formData[$pref] = $wgUser->getOption( $pref, null, true );
1343                 }
1344
1345                 //  Keeps old preferences from interfering due to back-compat
1346                 //  code, etc.
1347                 $wgUser->resetOptions();
1348
1349                 foreach ( $formData as $key => $value ) {
1350                         $wgUser->setOption( $key, $value );
1351                 }
1352
1353                 $wgUser->saveSettings();
1354
1355                 return $result;
1356         }
1357
1358         public static function tryUISubmit( $formData ) {
1359                 $res = self::tryFormSubmit( $formData, 'ui' );
1360
1361                 if ( $res ) {
1362                         $urlOptions = array( 'success' );
1363
1364                         if ( $res === 'eauth' ) {
1365                                 $urlOptions[] = 'eauth';
1366                         }
1367
1368                         $queryString = implode( '&', $urlOptions );
1369
1370                         $url = SpecialPage::getTitleFor( 'Preferences' )->getFullURL( $queryString );
1371
1372                         global $wgOut;
1373                         $wgOut->redirect( $url );
1374                 }
1375
1376                 return Status::newGood();
1377         }
1378
1379         /**
1380          * @param $user User
1381          * @return array
1382          */
1383         public static function loadOldSearchNs( $user ) {
1384                 $searchableNamespaces = SearchEngine::searchableNamespaces();
1385                 // Back compat with old format
1386                 $arr = array();
1387
1388                 foreach ( $searchableNamespaces as $ns => $name ) {
1389                         if ( $user->getOption( 'searchNs' . $ns ) ) {
1390                                 $arr[] = $ns;
1391                         }
1392                 }
1393
1394                 return $arr;
1395         }
1396 }
1397
1398 /** Some tweaks to allow js prefs to work */
1399 class PreferencesForm extends HTMLForm {
1400         function wrapForm( $html ) {
1401                 $html = Xml::tags( 'div', array( 'id' => 'preferences' ), $html );
1402
1403                 return parent::wrapForm( $html );
1404         }
1405
1406         function getButtons() {
1407                 $html = parent::getButtons();
1408
1409                 global $wgUser;
1410
1411                 $sk = $wgUser->getSkin();
1412                 $t = SpecialPage::getTitleFor( 'Preferences', 'reset' );
1413
1414                 $html .= "\n" . $sk->link( $t, wfMsgHtml( 'restoreprefs' ) );
1415
1416                 $html = Xml::tags( 'div', array( 'class' => 'mw-prefs-buttons' ), $html );
1417
1418                 return $html;
1419         }
1420
1421         function filterDataForSubmit( $data ) {
1422                 // Support for separating MultiSelect preferences into multiple preferences
1423                 // Due to lack of array support.
1424                 foreach ( $this->mFlatFields as $fieldname => $field ) {
1425                         $info = $field->mParams;
1426                         if ( $field instanceof HTMLMultiSelectField ) {
1427                                 $options = HTMLFormField::flattenOptions( $info['options'] );
1428                                 $prefix = isset( $info['prefix'] ) ? $info['prefix'] : $fieldname;
1429
1430                                 foreach ( $options as $opt ) {
1431                                         $data["$prefix$opt"] = in_array( $opt, $data[$fieldname] );
1432                                 }
1433
1434                                 unset( $data[$fieldname] );
1435                         }
1436                 }
1437
1438                 return $data;
1439         }
1440 }