includes/SkinLegacy.php

   1 <?php
   2 /**
   3  * Base class for legacy skins.
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  * http://www.gnu.org/copyleft/gpl.html
  19  *
  20  * @file
  21  */
  22
  23 class SkinLegacy extends SkinTemplate {
  24         var $useHeadElement = true;
  25         protected $mWatchLinkNum = 0; // Appended to end of watch link id's
  26
  27         /**
  28          * Add skin specific stylesheets
  29          * @param $out OutputPage
  30          */
  31         function setupSkinUserCss( OutputPage $out ) {
  32                 $out->addModuleStyles( 'mediawiki.legacy.shared' );
  33                 $out->addModuleStyles( 'mediawiki.legacy.oldshared' );
  34         }
  35
  36         public function commonPrintStylesheet() {
  37                 return true;
  38         }
  39 }
  40
  41 class LegacyTemplate extends BaseTemplate {
  42
  43         // How many search boxes have we made?  Avoid duplicate id's.
  44         protected $searchboxes = '';
  45
  46         function execute() {
  47                 $this->html( 'headelement' );
  48                 echo $this->beforeContent();
  49                 $this->html( 'bodytext' );
  50                 echo "\n";
  51                 echo $this->afterContent();
  52                 $this->html( 'dataAfterContent' );
  53                 $this->printTrail();
  54                 echo "\n</body></html>";
  55         }
  56
  57         /**
  58          * This will be called immediately after the "<body>" tag.  Split into
  59          * two functions to make it easier to subclass.
  60          * @return string
  61          */
  62         function beforeContent() {
  63                 return $this->doBeforeContent();
  64         }
  65
  66         function doBeforeContent() {
  67                 global $wgLang;
  68                 wfProfileIn( __METHOD__ );
  69
  70                 $s = '';
  71
  72                 $langlinks = $this->otherLanguages();
  73                 if ( $langlinks ) {
  74                         $rows = 2;
  75                         $borderhack = '';
  76                 } else {
  77                         $rows = 1;
  78                         $langlinks = false;
  79                         $borderhack = 'class="top"';
  80                 }
  81
  82                 $s .= "\n<div id='content'>\n<div id='topbar'>\n" .
  83                         "<table cellspacing='0' style='width: 100%;'>\n<tr>\n";
  84
  85                 if ( $this->getSkin()->qbSetting() == 0 ) {
  86                         $s .= "<td class='top' style='text-align: left; vertical-align: top;' rowspan='{$rows}'>\n" .
  87                                 $this->getSkin()->logoText( $wgLang->alignStart() ) . '</td>';
  88                 }
  89
  90                 $l = $wgLang->alignStart();
  91                 $s .= "<td {$borderhack} style='text-align: $l; vertical-align: top;'>\n";
  92
  93                 $s .= $this->topLinks();
  94                 $s .= '<p class="subtitle">' . $this->pageTitleLinks() . "</p>\n";
  95
  96                 $r = $wgLang->alignEnd();
  97                 $s .= "</td>\n<td {$borderhack} style='text-align: $r; vertical-align: top;' nowrap='nowrap'>";
  98                 $s .= $this->nameAndLogin();
  99                 $s .= "\n<br />" . $this->searchForm() . '</td>';
 100
 101                 if ( $langlinks ) {
 102                         $s .= "</tr>\n<tr>\n<td class='top' colspan=\"2\">$langlinks</td>\n";
 103                 }
 104
 105                 $s .= "</tr>\n</table>\n</div>\n";
 106                 $s .= "\n<div id='article'>\n";
 107
 108                 $notice = $this->getSkin()->getSiteNotice();
 109
 110                 if ( $notice ) {
 111                         $s .= "\n<div id='siteNotice'>$notice</div>\n";
 112                 }
 113                 $s .= $this->pageTitle();
 114                 $s .= $this->pageSubtitle();
 115                 $s .= $this->getSkin()->getCategories();
 116
 117                 wfProfileOut( __METHOD__ );
 118                 return $s;
 119         }
 120
 121         /**
 122          * This gets called shortly before the "</body>" tag.
 123          * @return String HTML to be put before "</body>"
 124          */
 125         function afterContent() {
 126                 return $this->doAfterContent();
 127         }
 128
 129         /** overloaded by derived classes
 130          * @return string
 131          */
 132         function doAfterContent() {
 133                 return '</div></div>';
 134         }
 135
 136         function searchForm() {
 137                 global $wgRequest, $wgUseTwoButtonsSearchForm;
 138
 139                 $search = $wgRequest->getText( 'search' );
 140
 141                 $s = '<form id="searchform' . $this->searchboxes . '" name="search" class="inline" method="post" action="'
 142                         . $this->getSkin()->escapeSearchLink() . "\">\n"
 143                         . '<input type="text" id="searchInput' . $this->searchboxes . '" name="search" size="19" value="'
 144                         . htmlspecialchars( substr( $search, 0, 256 ) ) . "\" />\n"
 145                         . '<input type="submit" name="go" value="' . wfMessage( 'searcharticle' )->text() . '" />';
 146
 147                 if ( $wgUseTwoButtonsSearchForm ) {
 148                         $s .= '&#160;<input type="submit" name="fulltext" value="' . wfMessage( 'searchbutton' )->text() . "\" />\n";
 149                 } else {
 150                         $s .= ' <a href="' . $this->getSkin()->escapeSearchLink() . '" rel="search">' . wfMessage( 'powersearch-legend' )->text() . "</a>\n";
 151                 }
 152
 153                 $s .= '</form>';
 154
 155                 // Ensure unique id's for search boxes made after the first
 156                 $this->searchboxes = $this->searchboxes == '' ? 2 : $this->searchboxes + 1;
 157
 158                 return $s;
 159         }
 160
 161         function pageStats() {
 162                 $ret = array();
 163                 $items = array( 'viewcount', 'credits', 'lastmod', 'numberofwatchingusers', 'copyright' );
 164
 165                 foreach( $items as $item ) {
 166                         if ( $this->data[$item] !== false ) {
 167                                 $ret[] = $this->data[$item];
 168                         }
 169                 }
 170
 171                 return implode( ' ', $ret );
 172         }
 173
 174         function topLinks() {
 175                 global $wgOut;
 176
 177                 $s = array(
 178                         $this->getSkin()->mainPageLink(),
 179                         Linker::specialLink( 'Recentchanges' )
 180                 );
 181
 182                 if ( $wgOut->isArticleRelated() ) {
 183                         $s[] = $this->editThisPage();
 184                         $s[] = $this->historyLink();
 185                 }
 186
 187                 # Many people don't like this dropdown box
 188                 # $s[] = $this->specialPagesList();
 189
 190                 if ( $this->variantLinks() ) {
 191                         $s[] = $this->variantLinks();
 192                 }
 193
 194                 if ( $this->extensionTabLinks() ) {
 195                         $s[] = $this->extensionTabLinks();
 196                 }
 197
 198                 // @todo FIXME: Is using Language::pipeList impossible here? Do not quite understand the use of the newline
 199                 return implode( $s, wfMessage( 'pipe-separator' )->escaped() . "\n" );
 200         }
 201
 202         /**
 203          * Language/charset variant links for classic-style skins
 204          * @return string
 205          */
 206         function variantLinks() {
 207                 $s = '';
 208
 209                 /* show links to different language variants */
 210                 global $wgDisableLangConversion, $wgLang;
 211
 212                 $title = $this->getSkin()->getTitle();
 213                 $lang = $title->getPageLanguage();
 214                 $variants = $lang->getVariants();
 215
 216                 if ( !$wgDisableLangConversion && count( $variants ) > 1
 217                         && !$title->isSpecialPage() ) {
 218                         foreach ( $variants as $code ) {
 219                                 $varname = $lang->getVariantname( $code );
 220
 221                                 $s = $wgLang->pipeList( array(
 222                                         $s,
 223                                         '<a href="' . htmlspecialchars( $title->getLocalURL( 'variant=' . $code ) ) . '" lang="' . $code . '" hreflang="' . $code . '">' . htmlspecialchars( $varname ) . '</a>'
 224                                 ) );
 225                         }
 226                 }
 227
 228                 return $s;
 229         }
 230
 231         /**
 232          * Compatibility for extensions adding functionality through tabs.
 233          * Eventually these old skins should be replaced with SkinTemplate-based
 234          * versions, sigh...
 235          * @return string
 236          * @todo Exterminate! ...that, and replace it with normal SkinTemplate stuff
 237          */
 238         function extensionTabLinks() {
 239                 $tabs = array();
 240                 $out = '';
 241                 $s = array();
 242                 wfRunHooks( 'SkinTemplateTabs', array( $this->getSkin(), &$tabs ) );
 243                 foreach ( $tabs as $tab ) {
 244                         $s[] = Xml::element( 'a',
 245                                 array( 'href' => $tab['href'] ),
 246                                 $tab['text'] );
 247                 }
 248
 249                 if ( count( $s ) ) {
 250                         global $wgLang;
 251
 252                         $out = wfMessage( 'pipe-separator' )->escaped();
 253                         $out .= $wgLang->pipeList( $s );
 254                 }
 255
 256                 return $out;
 257         }
 258
 259         function bottomLinks() {
 260                 global $wgOut, $wgUser;
 261                 $sep = wfMessage( 'pipe-separator' )->escaped() . "\n";
 262
 263                 $s = '';
 264                 if ( $wgOut->isArticleRelated() ) {
 265                         $element[] = '<strong>' . $this->editThisPage() . '</strong>';
 266
 267                         if ( $wgUser->isLoggedIn() ) {
 268                                 $element[] = $this->watchThisPage();
 269                         }
 270
 271                         $element[] = $this->talkLink();
 272                         $element[] = $this->historyLink();
 273                         $element[] = $this->whatLinksHere();
 274                         $element[] = $this->watchPageLinksLink();
 275
 276                         $title = $this->getSkin()->getTitle();
 277
 278                         if (
 279                                 $title->getNamespace() == NS_USER ||
 280                                 $title->getNamespace() == NS_USER_TALK
 281                         ) {
 282                                 $id = User::idFromName( $title->getText() );
 283                                 $ip = User::isIP( $title->getText() );
 284
 285                                 # Both anons and non-anons have contributions list
 286                                 if ( $id || $ip ) {
 287                                         $element[] = $this->userContribsLink();
 288                                 }
 289
 290                                 if ( $this->getSkin()->showEmailUser( $id ) ) {
 291                                         $element[] = $this->emailUserLink();
 292                                 }
 293                         }
 294
 295                         $s = implode( $element, $sep );
 296
 297                         if ( $title->getArticleID() ) {
 298                                 $s .= "\n<br />";
 299
 300                                 // Delete/protect/move links for privileged users
 301                                 if ( $wgUser->isAllowed( 'delete' ) ) {
 302                                         $s .= $this->deleteThisPage();
 303                                 }
 304
 305                                 if ( $wgUser->isAllowed( 'protect' ) && $title->getRestrictionTypes() ) {
 306                                         $s .= $sep . $this->protectThisPage();
 307                                 }
 308
 309                                 if ( $wgUser->isAllowed( 'move' ) ) {
 310                                         $s .= $sep . $this->moveThisPage();
 311                                 }
 312                         }
 313
 314                         $s .= "<br />\n" . $this->otherLanguages();
 315                 }
 316
 317                 return $s;
 318         }
 319
 320         function otherLanguages() {
 321                 global $wgOut, $wgLang, $wgHideInterlanguageLinks;
 322
 323                 if ( $wgHideInterlanguageLinks ) {
 324                         return '';
 325                 }
 326
 327                 $a = $wgOut->getLanguageLinks();
 328
 329                 if ( 0 == count( $a ) ) {
 330                         return '';
 331                 }
 332
 333                 $s = wfMessage( 'otherlanguages' )->text() . wfMessage( 'colon-separator' )->text();
 334                 $first = true;
 335
 336                 if ( $wgLang->isRTL() ) {
 337                         $s .= '<span dir="ltr">';
 338                 }
 339
 340                 foreach ( $a as $l ) {
 341                         if ( !$first ) {
 342                                 $s .= wfMessage( 'pipe-separator' )->escaped();
 343                         }
 344
 345                         $first = false;
 346
 347                         $nt = Title::newFromText( $l );
 348                         $text = Language::fetchLanguageName( $nt->getInterwiki() );
 349
 350                         $s .= Html::element( 'a',
 351                                 array( 'href' => $nt->getFullURL(), 'title' => $nt->getText(), 'class' => "external" ),
 352                                 $text == '' ? $l : $text );
 353                 }
 354
 355                 if ( $wgLang->isRTL() ) {
 356                         $s .= '</span>';
 357                 }
 358
 359                 return $s;
 360         }
 361
 362         /**
 363          * Show a drop-down box of special pages
 364          * @return string
 365          */
 366         function specialPagesList() {
 367                 global $wgScript;
 368
 369                 $select = new XmlSelect( 'title' );
 370                 $pages = SpecialPageFactory::getUsablePages();
 371                 array_unshift( $pages, SpecialPageFactory::getPage( 'SpecialPages' ) );
 372                 foreach ( $pages as $obj ) {
 373                         $select->addOption( $obj->getDescription(),
 374                                 $obj->getTitle()->getPrefixedDBkey() );
 375                 }
 376
 377                 return Html::rawElement( 'form',
 378                         array( 'id' => 'specialpages', 'method' => 'get', 'action' => $wgScript ),
 379                         $select->getHTML() . Xml::submitButton( wfMessage( 'go' )->text() ) );
 380         }
 381
 382         function pageTitleLinks() {
 383                 global $wgOut, $wgUser, $wgRequest, $wgLang;
 384
 385                 $oldid = $wgRequest->getVal( 'oldid' );
 386                 $diff = $wgRequest->getVal( 'diff' );
 387                 $action = $wgRequest->getText( 'action' );
 388
 389                 $skin = $this->getSkin();
 390                 $title = $skin->getTitle();
 391
 392                 $s[] = $this->printableLink();
 393                 $disclaimer = $skin->disclaimerLink(); # may be empty
 394
 395                 if ( $disclaimer ) {
 396                         $s[] = $disclaimer;
 397                 }
 398
 399                 $privacy = $skin->privacyLink(); # may be empty too
 400
 401                 if ( $privacy ) {
 402                         $s[] = $privacy;
 403                 }
 404
 405                 if ( $wgOut->isArticleRelated() ) {
 406                         if ( $title->getNamespace() == NS_FILE ) {
 407                                 $image = wfFindFile( $title );
 408
 409                                 if ( $image ) {
 410                                         $href = $image->getURL();
 411                                         $s[] = Html::element( 'a', array( 'href' => $href,
 412                                                 'title' => $href ), $title->getText() );
 413
 414                                 }
 415                         }
 416                 }
 417
 418                 if ( 'history' == $action || isset( $diff ) || isset( $oldid ) ) {
 419                         $s[] .= Linker::linkKnown(
 420                                 $title,
 421                                 wfMessage( 'currentrev' )->text()
 422                         );
 423                 }
 424
 425                 if ( $wgUser->getNewtalk() ) {
 426                         # do not show "You have new messages" text when we are viewing our
 427                         # own talk page
 428                         if ( !$title->equals( $wgUser->getTalkPage() ) ) {
 429                                 $tl = Linker::linkKnown(
 430                                         $wgUser->getTalkPage(),
 431                                         wfMessage( 'newmessageslink' )->escaped(),
 432                                         array(),
 433                                         array( 'redirect' => 'no' )
 434                                 );
 435
 436                                 $dl = Linker::linkKnown(
 437                                         $wgUser->getTalkPage(),
 438                                         wfMessage( 'newmessagesdifflink' )->escaped(),
 439                                         array(),
 440                                         array( 'diff' => 'cur' )
 441                                 );
 442                                 $s[] = '<strong>' . wfMessage( 'youhavenewmessages', $tl, $dl )->text() . '</strong>';
 443                                 # disable caching
 444                                 $wgOut->setSquidMaxage( 0 );
 445                                 $wgOut->enableClientCache( false );
 446                         }
 447                 }
 448
 449                 $undelete = $skin->getUndeleteLink();
 450
 451                 if ( !empty( $undelete ) ) {
 452                         $s[] = $undelete;
 453                 }
 454
 455                 return $wgLang->pipeList( $s );
 456         }
 457
 458         /**
 459          * Gets the h1 element with the page title.
 460          * @return string
 461          */
 462         function pageTitle() {
 463                 global $wgOut;
 464                 $s = '<h1 class="pagetitle"><span dir="auto">' . $wgOut->getPageTitle() . '</span></h1>';
 465                 return $s;
 466         }
 467
 468         function pageSubtitle() {
 469                 global $wgOut;
 470
 471                 $sub = $wgOut->getSubtitle();
 472
 473                 if ( $sub == '' ) {
 474                         global $wgExtraSubtitle;
 475                         $sub = wfMessage( 'tagline' )->parse() . $wgExtraSubtitle;
 476                 }
 477
 478                 $subpages = $this->getSkin()->subPageSubtitle();
 479                 $sub .= !empty( $subpages ) ? "</p><p class='subpages'>$subpages" : '';
 480                 $s = "<p class='subtitle'>{$sub}</p>\n";
 481
 482                 return $s;
 483         }
 484
 485         function printableLink() {
 486                 global $wgOut, $wgRequest, $wgLang;
 487
 488                 $s = array();
 489
 490                 if ( !$wgOut->isPrintable() ) {
 491                         $printurl = htmlspecialchars( $this->getSkin()->getTitle()->getLocalURL(
 492                                 $wgRequest->appendQueryValue( 'printable', 'yes', true ) ) );
 493                         $s[] = "<a href=\"$printurl\" rel=\"alternate\">"
 494                                 . wfMessage( 'printableversion' )->text() . '</a>';
 495                 }
 496
 497                 if ( $wgOut->isSyndicated() ) {
 498                         foreach ( $wgOut->getSyndicationLinks() as $format => $link ) {
 499                                 $feedurl = htmlspecialchars( $link );
 500                                 $s[] = "<a href=\"$feedurl\" rel=\"alternate\" type=\"application/{$format}+xml\""
 501                                                 . " class=\"feedlink\">" . wfMessage( "feed-$format" )->escaped() . "</a>";
 502                         }
 503                 }
 504                 return $wgLang->pipeList( $s );
 505         }
 506
 507         /**
 508          * @deprecated in 1.19
 509          * @return string
 510          */
 511         function getQuickbarCompensator( $rows = 1 ) {
 512                 wfDeprecated( __METHOD__, '1.19' );
 513                 return "<td style='width: 152px;' rowspan='{$rows}'>&#160;</td>";
 514         }
 515
 516         function editThisPage() {
 517                 global $wgOut;
 518
 519                 if ( !$wgOut->isArticleRelated() ) {
 520                         $s = wfMessage( 'protectedpage' )->text();
 521                 } else {
 522                         $title = $this->getSkin()->getTitle();
 523                         if ( $title->quickUserCan( 'edit' ) && $title->exists() ) {
 524                                 $t = wfMessage( 'editthispage' )->text();
 525                         } elseif ( $title->quickUserCan( 'create' ) && !$title->exists() ) {
 526                                 $t = wfMessage( 'create-this-page' )->text();
 527                         } else {
 528                                 $t = wfMessage( 'viewsource' )->text();
 529                         }
 530
 531                         $s = Linker::linkKnown(
 532                                 $title,
 533                                 $t,
 534                                 array(),
 535                                 $this->getSkin()->editUrlOptions()
 536                         );
 537                 }
 538
 539                 return $s;
 540         }
 541
 542         function deleteThisPage() {
 543                 global $wgUser, $wgRequest;
 544
 545                 $diff = $wgRequest->getVal( 'diff' );
 546                 $title = $this->getSkin()->getTitle();
 547
 548                 if ( $title->getArticleID() && ( !$diff ) && $wgUser->isAllowed( 'delete' ) ) {
 549                         $t = wfMessage( 'deletethispage' )->text();
 550
 551                         $s = Linker::linkKnown(
 552                                 $title,
 553                                 $t,
 554                                 array(),
 555                                 array( 'action' => 'delete' )
 556                         );
 557                 } else {
 558                         $s = '';
 559                 }
 560
 561                 return $s;
 562         }
 563
 564         function protectThisPage() {
 565                 global $wgUser, $wgRequest;
 566
 567                 $diff = $wgRequest->getVal( 'diff' );
 568                 $title = $this->getSkin()->getTitle();
 569
 570                 if ( $title->getArticleID() && ( ! $diff ) && $wgUser->isAllowed( 'protect' ) && $title->getRestrictionTypes() ) {
 571                         if ( $title->isProtected() ) {
 572                                 $text = wfMessage( 'unprotectthispage' )->text();
 573                                 $query = array( 'action' => 'unprotect' );
 574                         } else {
 575                                 $text = wfMessage( 'protectthispage' )->text();
 576                                 $query = array( 'action' => 'protect' );
 577                         }
 578
 579                         $s = Linker::linkKnown(
 580                                 $title,
 581                                 $text,
 582                                 array(),
 583                                 $query
 584                         );
 585                 } else {
 586                         $s = '';
 587                 }
 588
 589                 return $s;
 590         }
 591
 592         function watchThisPage() {
 593                 global $wgOut, $wgUser;
 594                 ++$this->mWatchLinkNum;
 595
 596                 // Cache
 597                 $title = $this->getSkin()->getTitle();
 598
 599                 if ( $wgOut->isArticleRelated() ) {
 600                         if ( $wgUser->isWatched( $title ) ) {
 601                                 $text = wfMessage( 'unwatchthispage' )->text();
 602                                 $query = array(
 603                                         'action' => 'unwatch',
 604                                         'token' => UnwatchAction::getUnwatchToken( $title, $wgUser ),
 605                                 );
 606                                 $id = 'mw-unwatch-link' . $this->mWatchLinkNum;
 607                         } else {
 608                                 $text = wfMessage( 'watchthispage' )->text();
 609                                 $query = array(
 610                                         'action' => 'watch',
 611                                         'token' => WatchAction::getWatchToken( $title, $wgUser ),
 612                                 );
 613                                 $id = 'mw-watch-link' . $this->mWatchLinkNum;
 614                         }
 615
 616                         $s = Linker::linkKnown(
 617                                 $title,
 618                                 $text,
 619                                 array( 'id' => $id ),
 620                                 $query
 621                         );
 622                 } else {
 623                         $s = wfMessage( 'notanarticle' )->text();
 624                 }
 625
 626                 return $s;
 627         }
 628
 629         function moveThisPage() {
 630                 if ( $this->getSkin()->getTitle()->quickUserCan( 'move' ) ) {
 631                         return Linker::linkKnown(
 632                                 SpecialPage::getTitleFor( 'Movepage' ),
 633                                 wfMessage( 'movethispage' )->text(),
 634                                 array(),
 635                                 array( 'target' => $this->getSkin()->getTitle()->getPrefixedDBkey() )
 636                         );
 637                 } else {
 638                         // no message if page is protected - would be redundant
 639                         return '';
 640                 }
 641         }
 642
 643         function historyLink() {
 644                 return Linker::link(
 645                         $this->getSkin()->getTitle(),
 646                         wfMessage( 'history' )->escaped(),
 647                         array( 'rel' => 'archives' ),
 648                         array( 'action' => 'history' )
 649                 );
 650         }
 651
 652         function whatLinksHere() {
 653                 return Linker::linkKnown(
 654                         SpecialPage::getTitleFor( 'Whatlinkshere', $this->getSkin()->getTitle()->getPrefixedDBkey() ),
 655                         wfMessage( 'whatlinkshere' )->escaped()
 656                 );
 657         }
 658
 659         function userContribsLink() {
 660                 return Linker::linkKnown(
 661                         SpecialPage::getTitleFor( 'Contributions', $this->getSkin()->getTitle()->getDBkey() ),
 662                         wfMessage( 'contributions' )->escaped()
 663                 );
 664         }
 665
 666         function emailUserLink() {
 667                 return Linker::linkKnown(
 668                         SpecialPage::getTitleFor( 'Emailuser', $this->getSkin()->getTitle()->getDBkey() ),
 669                         wfMessage( 'emailuser' )->escaped()
 670                 );
 671         }
 672
 673         function watchPageLinksLink() {
 674                 global $wgOut;
 675
 676                 if ( !$wgOut->isArticleRelated() ) {
 677                         return wfMessage( 'parentheses', wfMessage( 'notanarticle' )->text() )->escaped();
 678                 } else {
 679                         return Linker::linkKnown(
 680                                 SpecialPage::getTitleFor( 'Recentchangeslinked', $this->getSkin()->getTitle()->getPrefixedDBkey() ),
 681                                 wfMessage( 'recentchangeslinked-toolbox' )->escaped()
 682                         );
 683                 }
 684         }
 685
 686         function talkLink() {
 687                 $title = $this->getSkin()->getTitle();
 688                 if ( NS_SPECIAL == $title->getNamespace() ) {
 689                         # No discussion links for special pages
 690                         return '';
 691                 }
 692
 693                 $linkOptions = array();
 694
 695                 if ( $title->isTalkPage() ) {
 696                         $link = $title->getSubjectPage();
 697                         switch( $link->getNamespace() ) {
 698                                 case NS_MAIN:
 699                                         $text = wfMessage( 'articlepage' );
 700                                         break;
 701                                 case NS_USER:
 702                                         $text = wfMessage( 'userpage' );
 703                                         break;
 704                                 case NS_PROJECT:
 705                                         $text = wfMessage( 'projectpage' );
 706                                         break;
 707                                 case NS_FILE:
 708                                         $text = wfMessage( 'imagepage' );
 709                                         # Make link known if image exists, even if the desc. page doesn't.
 710                                         if ( wfFindFile( $link ) )
 711                                                 $linkOptions[] = 'known';
 712                                         break;
 713                                 case NS_MEDIAWIKI:
 714                                         $text = wfMessage( 'mediawikipage' );
 715                                         break;
 716                                 case NS_TEMPLATE:
 717                                         $text = wfMessage( 'templatepage' );
 718                                         break;
 719                                 case NS_HELP:
 720                                         $text = wfMessage( 'viewhelppage' );
 721                                         break;
 722                                 case NS_CATEGORY:
 723                                         $text = wfMessage( 'categorypage' );
 724                                         break;
 725                                 default:
 726                                         $text = wfMessage( 'articlepage' );
 727                         }
 728                 } else {
 729                         $link = $title->getTalkPage();
 730                         $text = wfMessage( 'talkpage' );
 731                 }
 732
 733                 $s = Linker::link( $link, $text->text(), array(), array(), $linkOptions );
 734
 735                 return $s;
 736         }
 737
 738         function commentLink() {
 739                 global $wgOut;
 740
 741                 $title = $this->getSkin()->getTitle();
 742                 if ( $title->isSpecialPage() ) {
 743                         return '';
 744                 }
 745
 746                 # __NEWSECTIONLINK___ changes behavior here
 747                 # If it is present, the link points to this page, otherwise
 748                 # it points to the talk page
 749                 if ( !$title->isTalkPage() && !$wgOut->showNewSectionLink() ) {
 750                         $title = $title->getTalkPage();
 751                 }
 752
 753                 return Linker::linkKnown(
 754                         $title,
 755                         wfMessage( 'postcomment' )->text(),
 756                         array(),
 757                         array(
 758                                 'action' => 'edit',
 759                                 'section' => 'new'
 760                         )
 761                 );
 762         }
 763
 764         function getUploadLink() {
 765                 global $wgUploadNavigationUrl;
 766
 767                 if ( $wgUploadNavigationUrl ) {
 768                         # Using an empty class attribute to avoid automatic setting of "external" class
 769                         return Linker::makeExternalLink( $wgUploadNavigationUrl,
 770                                 wfMessage( 'upload' )->escaped(),
 771                                 false, null, array( 'class' => '' ) );
 772                 } else {
 773                         return Linker::linkKnown(
 774                                 SpecialPage::getTitleFor( 'Upload' ),
 775                                 wfMessage( 'upload' )->escaped()
 776                         );
 777                 }
 778         }
 779
 780         function nameAndLogin() {
 781                 global $wgUser, $wgLang, $wgRequest;
 782
 783                 $returnTo = $this->getSkin()->getTitle();
 784                 $ret = '';
 785
 786                 if ( $wgUser->isAnon() ) {
 787                         if ( $this->getSkin()->showIPinHeader() ) {
 788                                 $name = $wgRequest->getIP();
 789
 790                                 $talkLink = Linker::link( $wgUser->getTalkPage(),
 791                                         $wgLang->getNsText( NS_TALK ) );
 792                                 $talkLink = wfMessage( 'parentheses' )->rawParams( $talkLink )->escaped();
 793
 794                                 $ret .= "$name $talkLink";
 795                         } else {
 796                                 $ret .= wfMessage( 'notloggedin' )->text();
 797                         }
 798
 799                         $query = array();
 800
 801                         if ( !$returnTo->isSpecial( 'Userlogout' ) ) {
 802                                 $query['returnto'] = $returnTo->getPrefixedDBkey();
 803                         }
 804
 805                         $loginlink = $wgUser->isAllowed( 'createaccount' )
 806                                 ? 'nav-login-createaccount'
 807                                 : 'login';
 808                         $ret .= "\n<br />" . Linker::link(
 809                                 SpecialPage::getTitleFor( 'Userlogin' ),
 810                                 wfMessage( $loginlink )->text(), array(), $query
 811                         );
 812                 } else {
 813                         $talkLink = Linker::link( $wgUser->getTalkPage(),
 814                                 $wgLang->getNsText( NS_TALK ) );
 815                         $talkLink = wfMessage( 'parentheses' )->rawParams( $talkLink )->escaped();
 816
 817                         $ret .= Linker::link( $wgUser->getUserPage(),
 818                                 htmlspecialchars( $wgUser->getName() ) );
 819                         $ret .= " $talkLink<br />";
 820                         $ret .= $wgLang->pipeList( array(
 821                                 Linker::link(
 822                                         SpecialPage::getTitleFor( 'Userlogout' ), wfMessage( 'logout' )->text(),
 823                                         array(), array( 'returnto' => $returnTo->getPrefixedDBkey() )
 824                                 ),
 825                                 Linker::specialLink( 'Preferences' ),
 826                         ) );
 827                 }
 828
 829                 $ret = $wgLang->pipeList( array(
 830                         $ret,
 831                         Linker::link(
 832                                 Title::newFromText( wfMessage( 'helppage' )->inContentLanguage()->text() ),
 833                                 wfMessage( 'help' )->text()
 834                         ),
 835                 ) );
 836
 837                 return $ret;
 838         }
 839 }