includes/Skin.php

   1 <?php
   2
   3 /**
   4  *
   5  * @package MediaWiki
   6  * @subpackage Skins
   7  */
   8
   9 /**
  10  * This is not a valid entry point, perform no further processing unless MEDIAWIKI is defined
  11  */
  12 if( defined( "MEDIAWIKI" ) ) {
  13
  14 # See skin.txt
  15 require_once( 'Linker.php' );
  16 require_once( 'Image.php' );
  17
  18 # Get a list of all skins available in /skins/
  19 # Build using the regular expression '^(.*).php$'
  20 # Array keys are all lower case, array value keep the case used by filename
  21 #
  22
  23 $skinDir = dir($IP.'/skins');
  24
  25 # while code from www.php.net
  26 while (false !== ($file = $skinDir->read())) {
  27         if(preg_match('/^([^.].*)\.php$/',$file, $matches)) {
  28                 $aSkin = $matches[1];
  29                 $wgValidSkinNames[strtolower($aSkin)] = $aSkin;
  30         }
  31 }
  32 $skinDir->close();
  33 unset($matches);
  34
  35 require_once( 'RecentChange.php' );
  36
  37 /**
  38  * @todo document
  39  * @package MediaWiki
  40  */
  41 class RCCacheEntry extends RecentChange
  42 {
  43         var $secureName, $link;
  44         var $curlink , $difflink, $lastlink , $usertalklink , $versionlink ;
  45         var $userlink, $timestamp, $watched;
  46
  47         function newFromParent( $rc )
  48         {
  49                 $rc2 = new RCCacheEntry;
  50                 $rc2->mAttribs = $rc->mAttribs;
  51                 $rc2->mExtra = $rc->mExtra;
  52                 return $rc2;
  53         }
  54 } ;
  55
  56
  57 /**
  58  * The main skin class that provide methods and properties for all other skins
  59  * including PHPTal skins.
  60  * This base class is also the "Standard" skin.
  61  * @package MediaWiki
  62  */
  63 class Skin extends Linker {
  64         /**#@+
  65          * @access private
  66          */
  67         var $lastdate, $lastline;
  68         var $rc_cache ; # Cache for Enhanced Recent Changes
  69         var $rcCacheIndex ; # Recent Changes Cache Counter for visibility toggle
  70         var $rcMoveIndex;
  71         /**#@-*/
  72
  73         /** Constructor, call parent constructor */
  74         function Skin() { parent::Linker(); }
  75
  76         function getSkinNames() {
  77                 global $wgValidSkinNames;
  78                 return $wgValidSkinNames;
  79         }
  80
  81         /** @return string path to the skin stylesheet */
  82         function getStylesheet() { return 'common/wikistandard.css?1'; }
  83
  84         /** @return string skin name */
  85         function getSkinName() {
  86                 return 'standard';
  87         }
  88
  89         function qbSetting() {
  90                 global $wgOut, $wgUser;
  91
  92                 if ( $wgOut->isQuickbarSuppressed() ) { return 0; }
  93                 $q = $wgUser->getOption( 'quickbar' );
  94                 if ( '' == $q ) { $q = 0; }
  95                 return $q;
  96         }
  97
  98         function initPage( &$out ) {
  99                 $fname = 'Skin::initPage';
 100                 wfProfileIn( $fname );
 101
 102                 $out->addLink( array( 'rel' => 'shortcut icon', 'href' => '/favicon.ico' ) );
 103
 104                 $this->addMetadataLinks($out);
 105
 106                 wfProfileOut( $fname );
 107         }
 108
 109         function addMetadataLinks( &$out ) {
 110                 global $wgTitle, $wgEnableDublinCoreRdf, $wgEnableCreativeCommonsRdf, $wgRdfMimeType, $action;
 111                 global $wgRightsPage, $wgRightsUrl, $wgUseTrackbacks;
 112
 113                 if( $out->isArticleRelated() ) {
 114                         # note: buggy CC software only reads first "meta" link
 115                         if( $wgEnableCreativeCommonsRdf ) {
 116                                 $out->addMetadataLink( array(
 117                                         'title' => 'Creative Commons',
 118                                         'type' => 'application/rdf+xml',
 119                                         'href' => $wgTitle->getLocalURL( 'action=creativecommons') ) );
 120                         }
 121                         if( $wgEnableDublinCoreRdf ) {
 122                                 $out->addMetadataLink( array(
 123                                         'title' => 'Dublin Core',
 124                                         'type' => 'application/rdf+xml',
 125                                         'href' => $wgTitle->getLocalURL( 'action=dublincore' ) ) );
 126                         }
 127                 }
 128                 $copyright = '';
 129                 if( $wgRightsPage ) {
 130                         $copy = Title::newFromText( $wgRightsPage );
 131                         if( $copy ) {
 132                                 $copyright = $copy->getLocalURL();
 133                         }
 134                 }
 135                 if( !$copyright && $wgRightsUrl ) {
 136                         $copyright = $wgRightsUrl;
 137                 }
 138                 if( $copyright ) {
 139                         $out->addLink( array(
 140                                 'rel' => 'copyright',
 141                                 'href' => $copyright ) );
 142                 }
 143         }
 144
 145         function outputPage( &$out ) {
 146                 global $wgDebugComments;
 147
 148                 wfProfileIn( 'Skin::outputPage' );
 149                 $this->initPage( $out );
 150
 151                 $out->out( $out->headElement() );
 152
 153                 $out->out( "\n<body" );
 154                 $ops = $this->getBodyOptions();
 155                 foreach ( $ops as $name => $val ) {
 156                         $out->out( " $name='$val'" );
 157                 }
 158                 $out->out( ">\n" );
 159                 if ( $wgDebugComments ) {
 160                         $out->out( "<!-- Wiki debugging output:\n" .
 161                           $out->mDebugtext . "-->\n" );
 162                 }
 163
 164                 $out->out( $this->beforeContent() );
 165
 166                 $out->out( $out->mBodytext . "\n" );
 167
 168                 $out->out( $this->afterContent() );
 169
 170                 wfProfileClose();
 171                 $out->out( $out->reportTime() );
 172
 173                 $out->out( "\n</body></html>" );
 174         }
 175
 176         function getHeadScripts() {
 177                 global $wgStylePath, $wgUser, $wgContLang, $wgAllowUserJs, $wgJsMimeType;
 178                 $r = "<script type=\"{$wgJsMimeType}\" src=\"{$wgStylePath}/common/wikibits.js\"></script>\n";
 179                 if( $wgAllowUserJs && $wgUser->isLoggedIn() ) {
 180                         $userpage = $wgUser->getUserPage();
 181                         $userjs = htmlspecialchars( $this->makeUrl(
 182                                 $userpage->getPrefixedText().'/'.$this->getSkinName().'.js',
 183                                 'action=raw&ctype='.$wgJsMimeType));
 184                         $r .= '<script type="'.$wgJsMimeType.'" src="'.$userjs."\"></script>\n";
 185                 }
 186                 return $r;
 187         }
 188
 189         /**
 190          * To make it harder for someone to slip a user a fake
 191          * user-JavaScript or user-CSS preview, a random token
 192          * is associated with the login session. If it's not
 193          * passed back with the preview request, we won't render
 194          * the code.
 195          *
 196          * @param string $action
 197          * @return bool
 198          * @access private
 199          */
 200         function userCanPreview( $action ) {
 201                 global $wgTitle, $wgRequest, $wgUser;
 202
 203                 if( $action != 'submit' )
 204                         return false;
 205                 if( !$wgRequest->wasPosted() )
 206                         return false;
 207                 if( !$wgTitle->userCanEditCssJsSubpage() )
 208                         return false;
 209                 return $wgUser->matchEditToken(
 210                         $wgRequest->getVal( 'wpEditToken' ) );
 211         }
 212
 213         # get the user/site-specific stylesheet, SkinPHPTal called from RawPage.php (settings are cached that way)
 214         function getUserStylesheet() {
 215                 global $wgOut, $wgStylePath, $wgRequest, $wgContLang, $wgSquidMaxage;
 216                 $sheet = $this->getStylesheet();
 217                 $action = $wgRequest->getText('action');
 218                 $s = "@import \"$wgStylePath/$sheet\";\n";
 219                 if($wgContLang->isRTL()) $s .= "@import \"$wgStylePath/common/common_rtl.css\";\n";
 220
 221                 $query = "action=raw&ctype=text/css&smaxage=$wgSquidMaxage";
 222                 $s .= '@import "' . $this->makeNSUrl( 'Common.css', $query, NS_MEDIAWIKI ) . "\";\n" .
 223                         '@import "'.$this->makeNSUrl( ucfirst( $this->getSkinName() . '.css' ), $query, NS_MEDIAWIKI ) . "\";\n";
 224
 225                 $s .= $this->doGetUserStyles();
 226                 return $s."\n";
 227         }
 228
 229         /**
 230          * placeholder, returns generated js in monobook
 231          */
 232         function getUserJs() { return; }
 233
 234         /**
 235          * Return html code that include User stylesheets
 236          */
 237         function getUserStyles() {
 238                 global $wgOut, $wgStylePath, $wgLang;
 239                 $s = "<style type='text/css'>\n";
 240                 $s .= "/*/*/ /*<![CDATA[*/\n"; # <-- Hide the styles from Netscape 4 without hiding them from IE/Mac
 241                 $s .= $this->getUserStylesheet();
 242                 $s .= "/*]]>*/ /* */\n";
 243                 $s .= "</style>\n";
 244                 return $s;
 245         }
 246
 247         /**
 248          * Some styles that are set by user through the user settings interface.
 249          */
 250         function doGetUserStyles() {
 251                 global $wgUser, $wgContLang, $wgUser, $wgRequest, $wgTitle, $wgAllowUserCss;
 252
 253                 $s = '';
 254
 255                 if( $wgAllowUserCss && $wgUser->isLoggedIn() ) { # logged in
 256                         if($wgTitle->isCssSubpage() && $this->userCanPreview( $action ) ) {
 257                                 $s .= $wgRequest->getText('wpTextbox1');
 258                         } else {
 259                                 $userpage = $wgUser->getUserPage();
 260                                 $s.= '@import "'.$this->makeUrl(
 261                                         $userpage->getPrefixedText().'/'.$this->getSkinName().'.css',
 262                                         'action=raw&ctype=text/css').'";'."\n";
 263                         }
 264                 }
 265
 266                 return $s . $this->reallyDoGetUserStyles();
 267         }
 268
 269         function reallyDoGetUserStyles() {
 270                 global $wgUser;
 271                 $s = '';
 272                 if (($undopt = $wgUser->getOption("underline")) != 2) {
 273                         $underline = $undopt ? 'underline' : 'none';
 274                         $s .= "a { text-decoration: $underline; }\n";
 275                 }
 276                 if( $wgUser->getOption( 'highlightbroken' ) ) {
 277                         $s .= "a.new, #quickbar a.new { color: #CC2200; }\n";
 278                 } else {
 279                         $s .= <<<END
 280 a.new, #quickbar a.new,
 281 a.stub, #quickbar a.stub {
 282         color: inherit;
 283         text-decoration: inherit;
 284 }
 285 a.new:after, #quickbar a.new:after {
 286         content: "?";
 287         color: #CC2200;
 288         text-decoration: $underline;
 289 }
 290 a.stub:after, #quickbar a.stub:after {
 291         content: "!";
 292         color: #772233;
 293         text-decoration: $underline;
 294 }
 295 END;
 296                 }
 297                 if( $wgUser->getOption( 'justify' ) ) {
 298                         $s .= "#article, #bodyContent { text-align: justify; }\n";
 299                 }
 300                 if( !$wgUser->getOption( 'showtoc' ) ) {
 301                         $s .= "#toc { display: none; }\n";
 302                 }
 303                 if( !$wgUser->getOption( 'editsection' ) ) {
 304                         $s .= ".editsection { display: none; }\n";
 305                 }
 306                 return $s;
 307         }
 308
 309         function getBodyOptions() {
 310                 global $wgUser, $wgTitle, $wgNamespaceBackgrounds, $wgOut, $wgRequest;
 311
 312                 extract( $wgRequest->getValues( 'oldid', 'redirect', 'diff' ) );
 313
 314                 if ( 0 != $wgTitle->getNamespace() ) {
 315                         $a = array( 'bgcolor' => '#ffffec' );
 316                 }
 317                 else $a = array( 'bgcolor' => '#FFFFFF' );
 318                 if($wgOut->isArticle() && $wgUser->getOption('editondblclick') &&
 319                   $wgTitle->userCanEdit() ) {
 320                         $t = wfMsg( 'editthispage' );
 321                         $oid = $red = '';
 322                         if ( !empty($redirect) && $redirect == 'no' ) {
 323                                 $red = "&redirect={$redirect}";
 324                         }
 325                         if ( !empty($oldid) && ! isset( $diff ) ) {
 326                                 $oid = "&oldid=" . intval( $oldid );
 327                         }
 328                         $s = $wgTitle->getFullURL( "action=edit{$oid}{$red}" );
 329                         $s = 'document.location = "' .$s .'";';
 330                         $a += array ('ondblclick' => $s);
 331
 332                 }
 333                 $a['onload'] = $wgOut->getOnloadHandler();
 334                 if( $wgUser->getOption( 'editsectiononrightclick' ) ) {
 335                         if( $a['onload'] != '' ) {
 336                                 $a['onload'] .= ';';
 337                         }
 338                         $a['onload'] .= 'setupRightClickEdit()';
 339                 }
 340                 return $a;
 341         }
 342
 343         /**
 344          * URL to the logo
 345          */
 346         function getLogo() {
 347                 global $wgLogo;
 348                 return $wgLogo;
 349         }
 350
 351         /**
 352          * This will be called immediately after the <body> tag.  Split into
 353          * two functions to make it easier to subclass.
 354          */
 355         function beforeContent() {
 356                 return $this->doBeforeContent();
 357         }
 358
 359         function doBeforeContent() {
 360                 global $wgOut, $wgTitle, $wgContLang;
 361                 $fname = 'Skin::doBeforeContent';
 362                 wfProfileIn( $fname );
 363
 364                 $s = '';
 365                 $qb = $this->qbSetting();
 366
 367                 if( $langlinks = $this->otherLanguages() ) {
 368                         $rows = 2;
 369                         $borderhack = '';
 370                 } else {
 371                         $rows = 1;
 372                         $langlinks = false;
 373                         $borderhack = 'class="top"';
 374                 }
 375
 376                 $s .= "\n<div id='content'>\n<div id='topbar'>\n" .
 377                   "<table border='0' cellspacing='0' width='98%'>\n<tr>\n";
 378
 379                 $shove = ($qb != 0);
 380                 $left = ($qb == 1 || $qb == 3);
 381                 if($wgContLang->isRTL()) $left = !$left;
 382
 383                 if ( !$shove ) {
 384                         $s .= "<td class='top' align='left' valign='top' rowspan='{$rows}'>\n" .
 385                           $this->logoText() . '</td>';
 386                 } elseif( $left ) {
 387                         $s .= $this->getQuickbarCompensator( $rows );
 388                 }
 389                 $l = $wgContLang->isRTL() ? 'right' : 'left';
 390                 $s .= "<td {$borderhack} align='$l' valign='top'>\n";
 391
 392                 $s .= $this->topLinks() ;
 393                 $s .= "<p class='subtitle'>" . $this->pageTitleLinks() . "</p>\n";
 394
 395                 $r = $wgContLang->isRTL() ? "left" : "right";
 396                 $s .= "</td>\n<td {$borderhack} valign='top' align='$r' nowrap='nowrap'>";
 397                 $s .= $this->nameAndLogin();
 398                 $s .= "\n<br />" . $this->searchForm() . "</td>";
 399
 400                 if ( $langlinks ) {
 401                         $s .= "</tr>\n<tr>\n<td class='top' colspan=\"2\">$langlinks</td>\n";
 402                 }
 403
 404                 if ( $shove && !$left ) { # Right
 405                         $s .= $this->getQuickbarCompensator( $rows );
 406                 }
 407                 $s .= "</tr>\n</table>\n</div>\n";
 408                 $s .= "\n<div id='article'>\n";
 409
 410                 $notice = wfGetSiteNotice();
 411                 if( $notice ) {
 412                         $s .= "\n<div id='siteNotice'>$notice</div>\n";
 413                 }
 414                 $s .= $this->pageTitle();
 415                 $s .= $this->pageSubtitle() ;
 416                 $s .= $this->getCategories();
 417                 wfProfileOut( $fname );
 418                 return $s;
 419         }
 420
 421
 422         function getCategoryLinks () {
 423                 global $wgOut, $wgTitle, $wgParser;
 424                 global $wgUseCategoryMagic, $wgUseCategoryBrowser, $wgContLang;
 425
 426                 if( !$wgUseCategoryMagic ) return '' ;
 427                 if( count( $wgOut->mCategoryLinks ) == 0 ) return '';
 428
 429                 // Use Unicode bidi embedding override characters,
 430                 // to make sure links don't smash each other up in ugly ways.
 431                 $dir = $wgContLang->isRTL() ? 'rtl' : 'ltr';
 432                 $embed = "<span dir='$dir'>";
 433                 $pop = '</span>';
 434                 $t = $embed . implode ( "$pop | $embed" , $wgOut->mCategoryLinks ) . $pop;
 435
 436                 $msg = count( $wgOut->mCategoryLinks ) === 1 ? 'categories1' : 'categories';
 437                 $s = $this->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL, 'Categories' ),
 438                         wfMsg( $msg ), 'article=' . urlencode( $wgTitle->getPrefixedDBkey() ) )
 439                         . ': ' . $t;
 440
 441                 # optional 'dmoz-like' category browser. Will be shown under the list
 442                 # of categories an article belong to
 443                 if($wgUseCategoryBrowser) {
 444                         $s .= '<br /><hr />';
 445
 446                         # get a big array of the parents tree
 447                         $parenttree = $wgTitle->getParentCategoryTree();
 448                         # Skin object passed by reference cause it can not be
 449                         # accessed under the method subfunction drawCategoryBrowser
 450                         $tempout = explode("\n", Skin::drawCategoryBrowser($parenttree, $this) );
 451                         # Clean out bogus first entry and sort them
 452                         unset($tempout[0]);
 453                         asort($tempout);
 454                         # Output one per line
 455                         $s .= implode("<br />\n", $tempout);
 456                 }
 457
 458                 return $s;
 459         }
 460
 461         /** Render the array as a serie of links.
 462          * @param array $tree Categories tree returned by Title::getParentCategoryTree
 463          * @param object &skin Skin passed by reference
 464          * @return string separated by &gt;, terminate with "\n"
 465          */
 466         function drawCategoryBrowser($tree, &$skin) {
 467                 $return = '';
 468                 foreach ($tree as $element => $parent) {
 469                         if (empty($parent)) {
 470                                 # element start a new list
 471                                 $return .= "\n";
 472                         } else {
 473                                 # grab the others elements
 474                                 $return .= Skin::drawCategoryBrowser($parent, $skin) . ' &gt; ';
 475                         }
 476                         # add our current element to the list
 477                         $eltitle = Title::NewFromText($element);
 478                         $return .=  $skin->makeLinkObj( $eltitle, $eltitle->getText() ) ;
 479                 }
 480                 return $return;
 481         }
 482
 483         function getCategories() {
 484                 $catlinks=$this->getCategoryLinks();
 485                 if(!empty($catlinks)) {
 486                         return "<p class='catlinks'>{$catlinks}</p>";
 487                 }
 488         }
 489
 490         function getQuickbarCompensator( $rows = 1 ) {
 491                 return "<td width='152' rowspan='{$rows}'>&nbsp;</td>";
 492         }
 493
 494         /**
 495          * This gets called immediately before the </body> tag.
 496          * @return string HTML to be put after </body> ???
 497          */
 498         function afterContent() {
 499                 $printfooter = "<div class=\"printfooter\">\n" . $this->printFooter() . "</div>\n";
 500                 return $printfooter . $this->doAfterContent();
 501         }
 502
 503         /** @return string Retrievied from HTML text */
 504         function printSource() {
 505                 global $wgTitle;
 506                 $url = htmlspecialchars( $wgTitle->getFullURL() );
 507                 return wfMsg( 'retrievedfrom', '<a href="'.$url.'">'.$url.'</a>' );
 508         }
 509
 510         function printFooter() {
 511                 return "<p>" .  $this->printSource() .
 512                         "</p>\n\n<p>" . $this->pageStats() . "</p>\n";
 513         }
 514
 515         /** overloaded by derived classes */
 516         function doAfterContent() { }
 517
 518         function pageTitleLinks() {
 519                 global $wgOut, $wgTitle, $wgUser, $wgContLang, $wgRequest;
 520
 521                 extract( $wgRequest->getValues( 'oldid', 'diff' ) );
 522                 $action = $wgRequest->getText( 'action' );
 523
 524                 $s = $this->printableLink();
 525                 $disclaimer = $this->disclaimerLink(); # may be empty
 526                 if( $disclaimer ) {
 527                         $s .= ' | ' . $disclaimer;
 528                 }
 529                 $privacy = $this->privacyLink(); # may be empty too
 530                 if( $privacy ) {
 531                         $s .= ' | ' . $privacy;
 532                 }
 533
 534                 if ( $wgOut->isArticleRelated() ) {
 535                         if ( $wgTitle->getNamespace() == NS_IMAGE ) {
 536                                 $name = $wgTitle->getDBkey();
 537                                 $image = new Image( $wgTitle );
 538                                 if( $image->exists() ) {
 539                                         $link = htmlspecialchars( $image->getURL() );
 540                                         $style = $this->getInternalLinkAttributes( $link, $name );
 541                                         $s .= " | <a href=\"{$link}\"{$style}>{$name}</a>";
 542                                 }
 543                         }
 544                 }
 545                 if ( 'history' == $action || isset( $diff ) || isset( $oldid ) ) {
 546                         $s .= ' | ' . $this->makeKnownLinkObj( $wgTitle,
 547                                         wfMsg( 'currentrev' ) );
 548                 }
 549
 550                 if ( $wgUser->getNewtalk() ) {
 551                 # do not show "You have new messages" text when we are viewing our
 552                 # own talk page
 553
 554                         if( !$wgTitle->equals( $wgUser->getTalkPage() ) ) {
 555                                 $tl = $this->makeKnownLinkObj( $wgUser->getTalkPage(),
 556                                                 wfMsg('newmessageslink') );
 557                                 $s.= ' | <strong>'. wfMsg( 'newmessages', $tl ) . '</strong>';
 558                                 # disable caching
 559                                 $wgOut->setSquidMaxage(0);
 560                                 $wgOut->enableClientCache(false);
 561                         }
 562                 }
 563
 564                 $undelete = $this->getUndeleteLink();
 565                 if( !empty( $undelete ) ) {
 566                         $s .= ' | '.$undelete;
 567                 }
 568                 return $s;
 569         }
 570
 571         function getUndeleteLink() {
 572                 global $wgUser, $wgTitle, $wgContLang, $action;
 573                 if(     (($wgTitle->getArticleId() == 0) || ($action == "history")) &&
 574                         ($n = $wgTitle->isDeleted() ) )
 575                 {
 576                         if ( $wgUser->isAllowed( 'delete' ) ) {
 577                                 $msg = 'thisisdeleted';
 578                         } else {
 579                                 $msg = 'viewdeleted';
 580                         }
 581                         return wfMsg( $msg,
 582                                 $this->makeKnownLink(
 583                                         $wgContLang->SpecialPage( 'Undelete/' . $wgTitle->getPrefixedDBkey() ),
 584                                         wfMsg( 'restorelink' . ($n == 1 ? '1' : ''), $n ) ) );
 585                 }
 586                 return '';
 587         }
 588
 589         function printableLink() {
 590                 global $wgOut, $wgFeedClasses, $wgRequest;
 591
 592                 $baseurl = $_SERVER['REQUEST_URI'];
 593                 if( strpos( '?', $baseurl ) == false ) {
 594                         $baseurl .= '?';
 595                 } else {
 596                         $baseurl .= '&';
 597                 }
 598                 $baseurl = htmlspecialchars( $baseurl );
 599                 $printurl = $wgRequest->escapeAppendQuery( 'printable=yes' );
 600
 601                 $s = "<a href=\"$printurl\">" . wfMsg( 'printableversion' ) . '</a>';
 602                 if( $wgOut->isSyndicated() ) {
 603                         foreach( $wgFeedClasses as $format => $class ) {
 604                                 $feedurl = $wgRequest->escapeAppendQuery( "feed=$format" );
 605                                 $s .= " | <a href=\"$feedurl\">{$format}</a>";
 606                         }
 607                 }
 608                 return $s;
 609         }
 610
 611         function pageTitle() {
 612                 global $wgOut, $wgTitle, $wgUser;
 613
 614                 $s = '<h1 class="pagetitle">' . htmlspecialchars( $wgOut->getPageTitle() ) . '</h1>';
 615                 return $s;
 616         }
 617
 618         function pageSubtitle() {
 619                 global $wgOut;
 620
 621                 $sub = $wgOut->getSubtitle();
 622                 if ( '' == $sub ) {
 623                         global $wgExtraSubtitle;
 624                         $sub = wfMsg( 'tagline' ) . $wgExtraSubtitle;
 625                 }
 626                 $subpages = $this->subPageSubtitle();
 627                 $sub .= !empty($subpages)?"</p><p class='subpages'>$subpages":'';
 628                 $s = "<p class='subtitle'>{$sub}</p>\n";
 629                 return $s;
 630         }
 631
 632         function subPageSubtitle() {
 633                 global $wgOut,$wgTitle,$wgNamespacesWithSubpages;
 634                 $subpages = '';
 635                 if($wgOut->isArticle() && !empty($wgNamespacesWithSubpages[$wgTitle->getNamespace()])) {
 636                         $ptext=$wgTitle->getPrefixedText();
 637                         if(preg_match('/\//',$ptext)) {
 638                                 $links = explode('/',$ptext);
 639                                 $c = 0;
 640                                 $growinglink = '';
 641                                 foreach($links as $link) {
 642                                         $c++;
 643                                         if ($c<count($links)) {
 644                                                 $growinglink .= $link;
 645                                                 $getlink = $this->makeLink( $growinglink, $link );
 646                                                 if(preg_match('/class="new"/i',$getlink)) { break; } # this is a hack, but it saves time
 647                                                 if ($c>1) {
 648                                                         $subpages .= ' | ';
 649                                                 } else  {
 650                                                         $subpages .= '&lt; ';
 651                                                 }
 652                                                 $subpages .= $getlink;
 653                                                 $growinglink .= '/';
 654                                         }
 655                                 }
 656                         }
 657                 }
 658                 return $subpages;
 659         }
 660
 661         function nameAndLogin() {
 662                 global $wgUser, $wgTitle, $wgLang, $wgContLang, $wgShowIPinHeader;
 663
 664                 $li = $wgContLang->specialPage( 'Userlogin' );
 665                 $lo = $wgContLang->specialPage( 'Userlogout' );
 666
 667                 $s = '';
 668                 if ( $wgUser->isAnon() ) {
 669                         if( $wgShowIPinHeader && isset( $_COOKIE[ini_get('session.name')] ) ) {
 670                                 $n = wfGetIP();
 671
 672                                 $tl = $this->makeKnownLinkObj( $wgUser->getTalkPage(),
 673                                   $wgLang->getNsText( NS_TALK ) );
 674
 675                                 $s .= $n . ' ('.$tl.')';
 676                         } else {
 677                                 $s .= wfMsg('notloggedin');
 678                         }
 679
 680                         $rt = $wgTitle->getPrefixedURL();
 681                         if ( 0 == strcasecmp( urlencode( $lo ), $rt ) ) {
 682                                 $q = '';
 683                         } else { $q = "returnto={$rt}"; }
 684
 685                         $s .= "\n<br />" . $this->makeKnownLinkObj(
 686                                 Title::makeTitle( NS_SPECIAL, 'Userlogin' ),
 687                                 wfMsg( 'login' ), $q );
 688                 } else {
 689                         $n = $wgUser->getName();
 690                         $rt = $wgTitle->getPrefixedURL();
 691                         $tl = $this->makeKnownLinkObj( $wgUser->getTalkPage(),
 692                           $wgLang->getNsText( NS_TALK ) );
 693
 694                         $tl = " ({$tl})";
 695
 696                         $s .= $this->makeKnownLinkObj( $wgUser->getUserPage(),
 697                           $n ) . "{$tl}<br />" .
 698                           $this->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL, 'Userlogout' ), wfMsg( 'logout' ),
 699                           "returnto={$rt}" ) . ' | ' .
 700                           $this->specialLink( 'preferences' );
 701                 }
 702                 $s .= ' | ' . $this->makeKnownLink( wfMsgForContent( 'helppage' ),
 703                   wfMsg( 'help' ) );
 704
 705                 return $s;
 706         }
 707
 708         function getSearchLink() {
 709                 $searchPage =& Title::makeTitle( NS_SPECIAL, 'Search' );
 710                 return $searchPage->getLocalURL();
 711         }
 712
 713         function escapeSearchLink() {
 714                 return htmlspecialchars( $this->getSearchLink() );
 715         }
 716
 717         function searchForm() {
 718                 global $wgRequest;
 719                 $search = $wgRequest->getText( 'search' );
 720
 721                 $s = '<form name="search" class="inline" method="post" action="'
 722                   . $this->escapeSearchLink() . "\">\n"
 723                   . '<input type="text" name="search" size="19" value="'
 724                   . htmlspecialchars(substr($search,0,256)) . "\" />\n"
 725                   . '<input type="submit" name="go" value="' . wfMsg ('go') . '" />&nbsp;'
 726                   . '<input type="submit" name="fulltext" value="' . wfMsg ('search') . "\" />\n</form>";
 727
 728                 return $s;
 729         }
 730
 731         function topLinks() {
 732                 global $wgOut;
 733                 $sep = " |\n";
 734
 735                 $s = $this->mainPageLink() . $sep
 736                   . $this->specialLink( 'recentchanges' );
 737
 738                 if ( $wgOut->isArticleRelated() ) {
 739                         $s .=  $sep . $this->editThisPage()
 740                           . $sep . $this->historyLink();
 741                 }
 742                 # Many people don't like this dropdown box
 743                 #$s .= $sep . $this->specialPagesList();
 744
 745                 /* show links to different language variants */
 746                 global $wgDisableLangConversion, $wgContLang, $wgTitle;
 747                 $variants = $wgContLang->getVariants();
 748                 if( !$wgDisableLangConversion && sizeof( $variants ) > 1 ) {
 749                         foreach( $variants as $code ) {
 750                                 $varname = $wgContLang->getVariantname( $code );
 751                                 if( $varname == 'disable' )
 752                                         continue;
 753                                 $s .= ' | <a href="' . $wgTitle->getLocalUrl( 'variant=' . $code ) . '">' . $varname . '</a>';
 754                         }
 755                 }
 756
 757                 return $s;
 758         }
 759
 760         function bottomLinks() {
 761                 global $wgOut, $wgUser, $wgTitle, $wgUseTrackbacks;
 762                 $sep = " |\n";
 763
 764                 $s = '';
 765                 if ( $wgOut->isArticleRelated() ) {
 766                         $s .= '<strong>' . $this->editThisPage() . '</strong>';
 767                         if ( $wgUser->isLoggedIn() ) {
 768                                 $s .= $sep . $this->watchThisPage();
 769                         }
 770                         $s .= $sep . $this->talkLink()
 771                           . $sep . $this->historyLink()
 772                           . $sep . $this->whatLinksHere()
 773                           . $sep . $this->watchPageLinksLink();
 774
 775                         if ($wgUseTrackbacks)
 776                                 $s .= $sep . $this->trackbackLink();
 777
 778                         if ( $wgTitle->getNamespace() == NS_USER
 779                             || $wgTitle->getNamespace() == NS_USER_TALK )
 780
 781                         {
 782                                 $id=User::idFromName($wgTitle->getText());
 783                                 $ip=User::isIP($wgTitle->getText());
 784
 785                                 if($id || $ip) { # both anons and non-anons have contri list
 786                                         $s .= $sep . $this->userContribsLink();
 787                                 }
 788                                 if( $this->showEmailUser( $id ) ) {
 789                                         $s .= $sep . $this->emailUserLink();
 790                                 }
 791                         }
 792                         if ( $wgTitle->getArticleId() ) {
 793                                 $s .= "\n<br />";
 794                                 if($wgUser->isAllowed('delete')) { $s .= $this->deleteThisPage(); }
 795                                 if($wgUser->isAllowed('protect')) { $s .= $sep . $this->protectThisPage(); }
 796                                 if($wgUser->isAllowed('move')) { $s .= $sep . $this->moveThisPage(); }
 797                         }
 798                         $s .= "<br />\n" . $this->otherLanguages();
 799                 }
 800                 return $s;
 801         }
 802
 803         function pageStats() {
 804                 global $wgOut, $wgLang, $wgArticle, $wgRequest, $wgUser;
 805                 global $wgDisableCounters, $wgMaxCredits, $wgShowCreditsIfMax, $wgTitle, $wgPageShowWatchingUsers;
 806
 807                 extract( $wgRequest->getValues( 'oldid', 'diff' ) );
 808                 if ( ! $wgOut->isArticle() ) { return ''; }
 809                 if ( isset( $oldid ) || isset( $diff ) ) { return ''; }
 810                 if ( 0 == $wgArticle->getID() ) { return ''; }
 811
 812                 $s = '';
 813                 if ( !$wgDisableCounters ) {
 814                         $count = $wgLang->formatNum( $wgArticle->getCount() );
 815                         if ( $count ) {
 816                                 $s = wfMsg( 'viewcount', $count );
 817                         }
 818                 }
 819
 820                 if (isset($wgMaxCredits) && $wgMaxCredits != 0) {
 821                     require_once('Credits.php');
 822                     $s .= ' ' . getCredits($wgArticle, $wgMaxCredits, $wgShowCreditsIfMax);
 823                 } else {
 824                     $s .= $this->lastModified();
 825                 }
 826
 827                 if ($wgPageShowWatchingUsers && $wgUser->getOption( 'shownumberswatching' )) {
 828                         $dbr =& wfGetDB( DB_SLAVE );
 829                         extract( $dbr->tableNames( 'watchlist' ) );
 830                         $sql = "SELECT COUNT(*) AS n FROM $watchlist
 831                                 WHERE wl_title='" . $dbr->strencode($wgTitle->getDBKey()) .
 832                                 "' AND  wl_namespace=" . $wgTitle->getNamespace() ;
 833                         $res = $dbr->query( $sql, 'Skin::pageStats');
 834                         $x = $dbr->fetchObject( $res );
 835                         $s .= ' ' . wfMsg('number_of_watching_users_pageview', $x->n );
 836                 }
 837
 838                 return $s . ' ' .  $this->getCopyright();
 839         }
 840
 841         function getCopyright() {
 842                 global $wgRightsPage, $wgRightsUrl, $wgRightsText, $wgRequest;
 843
 844
 845                 $oldid = $wgRequest->getVal( 'oldid' );
 846                 $diff = $wgRequest->getVal( 'diff' );
 847
 848                 if ( !is_null( $oldid ) && is_null( $diff ) && wfMsgForContent( 'history_copyright' ) !== '-' ) {
 849                         $msg = 'history_copyright';
 850                 } else {
 851                         $msg = 'copyright';
 852                 }
 853
 854                 $out = '';
 855                 if( $wgRightsPage ) {
 856                         $link = $this->makeKnownLink( $wgRightsPage, $wgRightsText );
 857                 } elseif( $wgRightsUrl ) {
 858                         $link = $this->makeExternalLink( $wgRightsUrl, $wgRightsText );
 859                 } else {
 860                         # Give up now
 861                         return $out;
 862                 }
 863                 $out .= wfMsgForContent( $msg, $link );
 864                 return $out;
 865         }
 866
 867         function getCopyrightIcon() {
 868                 global $wgRightsPage, $wgRightsUrl, $wgRightsText, $wgRightsIcon, $wgCopyrightIcon;
 869                 $out = '';
 870                 if ( isset( $wgCopyrightIcon ) && $wgCopyrightIcon ) {
 871                         $out = $wgCopyrightIcon;
 872                 } else if ( $wgRightsIcon ) {
 873                         $icon = htmlspecialchars( $wgRightsIcon );
 874                         if ( $wgRightsUrl ) {
 875                                 $url = htmlspecialchars( $wgRightsUrl );
 876                                 $out .= '<a href="'.$url.'">';
 877                         }
 878                         $text = htmlspecialchars( $wgRightsText );
 879                         $out .= "<img src=\"$icon\" alt='$text' />";
 880                         if ( $wgRightsUrl ) {
 881                                 $out .= '</a>';
 882                         }
 883                 }
 884                 return $out;
 885         }
 886
 887         function getPoweredBy() {
 888                 global $wgStylePath;
 889                 $url = htmlspecialchars( "$wgStylePath/common/images/poweredby_mediawiki_88x31.png" );
 890                 $img = '<a href="http://www.mediawiki.org/"><img src="'.$url.'" alt="MediaWiki" /></a>';
 891                 return $img;
 892         }
 893
 894         function lastModified() {
 895                 global $wgLang, $wgArticle, $wgLoadBalancer;
 896
 897                 $timestamp = $wgArticle->getTimestamp();
 898                 if ( $timestamp ) {
 899                         $d = $wgLang->timeanddate( $timestamp, true );
 900                         $s = ' ' . wfMsg( 'lastmodified', $d );
 901                 } else {
 902                         $s = '';
 903                 }
 904                 if ( $wgLoadBalancer->getLaggedSlaveMode() ) {
 905                         $s .= ' <strong>' . wfMsg( 'laggedslavemode' ) . '</strong>';
 906                 }
 907                 return $s;
 908         }
 909
 910         function logoText( $align = '' ) {
 911                 if ( '' != $align ) { $a = " align='{$align}'"; }
 912                 else { $a = ''; }
 913
 914                 $mp = wfMsg( 'mainpage' );
 915                 $titleObj = Title::newFromText( $mp );
 916                 if ( is_object( $titleObj ) ) {
 917                         $url = $titleObj->escapeLocalURL();
 918                 } else {
 919                         $url = '';
 920                 }
 921
 922                 $logourl = $this->getLogo();
 923                 $s = "<a href='{$url}'><img{$a} src='{$logourl}' alt='[{$mp}]' /></a>";
 924                 return $s;
 925         }
 926
 927         /**
 928          * show a drop-down box of special pages
 929          * @TODO crash bug913. Need to be rewrote completly.
 930          */
 931         function specialPagesList() {
 932                 global $wgUser, $wgOut, $wgContLang, $wgServer, $wgRedirectScript, $wgAvailableRights;
 933                 require_once('SpecialPage.php');
 934                 $a = array();
 935                 $pages = SpecialPage::getPages();
 936
 937                 // special pages without access restriction
 938                 foreach ( $pages[''] as $name => $page ) {
 939                         $a[$name] = $page->getDescription();
 940                 }
 941
 942                 // Other special pages that are restricted.
 943                 // Copied from SpecialSpecialpages.php
 944                 foreach($wgAvailableRights as $right) {
 945                         if( $wgUser->isAllowed($right) ) {
 946                                 /** Add all pages for this right */
 947                                 if(isset($pages[$right])) {
 948                                         foreach($pages[$right] as $name => $page) {
 949                                         $a[$name] = $page->getDescription();
 950                                         }
 951                                 }
 952                         }
 953                 }
 954
 955                 $go = wfMsg( 'go' );
 956                 $sp = wfMsg( 'specialpages' );
 957                 $spp = $wgContLang->specialPage( 'Specialpages' );
 958
 959                 $s = '<form id="specialpages" method="get" class="inline" ' .
 960                   'action="' . htmlspecialchars( "{$wgServer}{$wgRedirectScript}" ) . "\">\n";
 961                 $s .= "<select name=\"wpDropdown\">\n";
 962                 $s .= "<option value=\"{$spp}\">{$sp}</option>\n";
 963
 964
 965                 foreach ( $a as $name => $desc ) {
 966                         $p = $wgContLang->specialPage( $name );
 967                         $s .= "<option value=\"{$p}\">{$desc}</option>\n";
 968                 }
 969                 $s .= "</select>\n";
 970                 $s .= "<input type='submit' value=\"{$go}\" name='redirect' />\n";
 971                 $s .= "</form>\n";
 972                 return $s;
 973         }
 974
 975         function mainPageLink() {
 976                 $mp = wfMsgForContent( 'mainpage' );
 977                 $mptxt = wfMsg( 'mainpage');
 978                 $s = $this->makeKnownLink( $mp, $mptxt );
 979                 return $s;
 980         }
 981
 982         function copyrightLink() {
 983                 $s = $this->makeKnownLink( wfMsgForContent( 'copyrightpage' ),
 984                   wfMsg( 'copyrightpagename' ) );
 985                 return $s;
 986         }
 987
 988         function privacyLink() {
 989                 $privacy = wfMsg( 'privacy' );
 990                 if ($privacy == '-') {
 991                         return '';
 992                 } else {
 993                         return $this->makeKnownLink( wfMsgForContent( 'privacypage' ), $privacy);
 994                 }
 995         }
 996
 997         function aboutLink() {
 998                 $s = $this->makeKnownLink( wfMsgForContent( 'aboutpage' ),
 999                   wfMsg( 'aboutsite' ) );
1000                 return $s;
1001         }
1002
1003         function disclaimerLink() {
1004                 $disclaimers = wfMsg( 'disclaimers' );
1005                 if ($disclaimers == '-') {
1006                         return '';
1007                 } else {
1008                         return $this->makeKnownLink( wfMsgForContent( 'disclaimerpage' ),
1009                                                      $disclaimers );
1010                 }
1011         }
1012
1013         function editThisPage() {
1014                 global $wgOut, $wgTitle, $wgRequest;
1015
1016                 $oldid = $wgRequest->getVal( 'oldid' );
1017                 $diff = $wgRequest->getVal( 'diff' );
1018                 $redirect = $wgRequest->getVal( 'redirect' );
1019
1020                 if ( ! $wgOut->isArticleRelated() ) {
1021                         $s = wfMsg( 'protectedpage' );
1022                 } else {
1023                         if ( $wgTitle->userCanEdit() ) {
1024                                 $t = wfMsg( 'editthispage' );
1025                         } else {
1026                                 $t = wfMsg( 'viewsource' );
1027                         }
1028                         $oid = $red = '';
1029
1030                         if ( !is_null( $redirect ) ) { $red = "&redirect={$redirect}"; }
1031                         if ( $oldid && ! isset( $diff ) ) {
1032                                 $oid = '&oldid='.$oldid;
1033                         }
1034                         $s = $this->makeKnownLinkObj( $wgTitle, $t, "action=edit{$oid}{$red}" );
1035                 }
1036                 return $s;
1037         }
1038
1039         function deleteThisPage() {
1040                 global $wgUser, $wgOut, $wgTitle, $wgRequest;
1041
1042                 $diff = $wgRequest->getVal( 'diff' );
1043                 if ( $wgTitle->getArticleId() && ( ! $diff ) && $wgUser->isAllowed('delete') ) {
1044                         $t = wfMsg( 'deletethispage' );
1045
1046                         $s = $this->makeKnownLinkObj( $wgTitle, $t, 'action=delete' );
1047                 } else {
1048                         $s = '';
1049                 }
1050                 return $s;
1051         }
1052
1053         function protectThisPage() {
1054                 global $wgUser, $wgOut, $wgTitle, $wgRequest;
1055
1056                 $diff = $wgRequest->getVal( 'diff' );
1057                 if ( $wgTitle->getArticleId() && ( ! $diff ) && $wgUser->isAllowed('protect') ) {
1058                         if ( $wgTitle->isProtected() ) {
1059                                 $t = wfMsg( 'unprotectthispage' );
1060                                 $q = 'action=unprotect';
1061                         } else {
1062                                 $t = wfMsg( 'protectthispage' );
1063                                 $q = 'action=protect';
1064                         }
1065                         $s = $this->makeKnownLinkObj( $wgTitle, $t, $q );
1066                 } else {
1067                         $s = '';
1068                 }
1069                 return $s;
1070         }
1071
1072         function watchThisPage() {
1073                 global $wgUser, $wgOut, $wgTitle;
1074
1075                 if ( $wgOut->isArticleRelated() ) {
1076                         if ( $wgTitle->userIsWatching() ) {
1077                                 $t = wfMsg( 'unwatchthispage' );
1078                                 $q = 'action=unwatch';
1079                         } else {
1080                                 $t = wfMsg( 'watchthispage' );
1081                                 $q = 'action=watch';
1082                         }
1083                         $s = $this->makeKnownLinkObj( $wgTitle, $t, $q );
1084                 } else {
1085                         $s = wfMsg( 'notanarticle' );
1086                 }
1087                 return $s;
1088         }
1089
1090         function moveThisPage() {
1091                 global $wgTitle;
1092
1093                 if ( $wgTitle->userCanMove() ) {
1094                         return $this->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL, 'Movepage' ),
1095                           wfMsg( 'movethispage' ), 'target=' . $wgTitle->getPrefixedURL() );
1096                 } else {
1097                         // no message if page is protected - would be redundant
1098                         return '';
1099                 }
1100         }
1101
1102         function historyLink() {
1103                 global $wgTitle;
1104
1105                 return $this->makeKnownLinkObj( $wgTitle,
1106                   wfMsg( 'history' ), 'action=history' );
1107         }
1108
1109         function whatLinksHere() {
1110                 global $wgTitle;
1111
1112                 return $this->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL, 'Whatlinkshere' ),
1113                   wfMsg( 'whatlinkshere' ), 'target=' . $wgTitle->getPrefixedURL() );
1114         }
1115
1116         function userContribsLink() {
1117                 global $wgTitle;
1118
1119                 return $this->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL, 'Contributions' ),
1120                   wfMsg( 'contributions' ), 'target=' . $wgTitle->getPartialURL() );
1121         }
1122
1123         function showEmailUser( $id ) {
1124                 global $wgEnableEmail, $wgEnableUserEmail, $wgUser;
1125                 return $wgEnableEmail &&
1126                        $wgEnableUserEmail &&
1127                        $wgUser->isLoggedIn() && # show only to signed in users
1128                        0 != $id; # we can only email to non-anons ..
1129 #                      '' != $id->getEmail() && # who must have an email address stored ..
1130 #                      0 != $id->getEmailauthenticationtimestamp() && # .. which is authenticated
1131 #                      1 != $wgUser->getOption('disablemail'); # and not disabled
1132         }
1133
1134         function emailUserLink() {
1135                 global $wgTitle;
1136
1137                 return $this->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL, 'Emailuser' ),
1138                   wfMsg( 'emailuser' ), 'target=' . $wgTitle->getPartialURL() );
1139         }
1140
1141         function watchPageLinksLink() {
1142                 global $wgOut, $wgTitle;
1143
1144                 if ( ! $wgOut->isArticleRelated() ) {
1145                         return '(' . wfMsg( 'notanarticle' ) . ')';
1146                 } else {
1147                         return $this->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL,
1148                           'Recentchangeslinked' ), wfMsg( 'recentchangeslinked' ),
1149                           'target=' . $wgTitle->getPrefixedURL() );
1150                 }
1151         }
1152
1153         function trackbackLink() {
1154                 global $wgTitle;
1155
1156                 return "<a href=\"" . $wgTitle->trackbackURL() . "\">"
1157                         . wfMsg('trackbacklink') . "</a>";
1158         }
1159
1160         function otherLanguages() {
1161                 global $wgOut, $wgContLang, $wgTitle, $wgHideInterlanguageLinks;
1162
1163                 if ( $wgHideInterlanguageLinks ) {
1164                         return '';
1165                 }
1166
1167                 $a = $wgOut->getLanguageLinks();
1168                 if ( 0 == count( $a ) ) {
1169                         return '';
1170                 }
1171
1172                 $s = wfMsg( 'otherlanguages' ) . ': ';
1173                 $first = true;
1174                 if($wgContLang->isRTL()) $s .= '<span dir="LTR">';
1175                 foreach( $a as $l ) {
1176                         if ( ! $first ) { $s .= ' | '; }
1177                         $first = false;
1178
1179                         $nt = Title::newFromText( $l );
1180                         $url = $nt->escapeFullURL();
1181                         $text = $wgContLang->getLanguageName( $nt->getInterwiki() );
1182
1183                         if ( '' == $text ) { $text = $l; }
1184                         $style = $this->getExternalLinkAttributes( $l, $text );
1185                         $s .= "<a href=\"{$url}\"{$style}>{$text}</a>";
1186                 }
1187                 if($wgContLang->isRTL()) $s .= '</span>';
1188                 return $s;
1189         }
1190
1191         function bugReportsLink() {
1192                 $s = $this->makeKnownLink( wfMsgForContent( 'bugreportspage' ),
1193                   wfMsg( 'bugreports' ) );
1194                 return $s;
1195         }
1196
1197         function dateLink() {
1198                 global $wgLinkCache;
1199                 $t1 = Title::newFromText( gmdate( 'F j' ) );
1200                 $t2 = Title::newFromText( gmdate( 'Y' ) );
1201
1202                 $wgLinkCache->suspend();
1203                 $id = $t1->getArticleID();
1204                 $wgLinkCache->resume();
1205
1206                 if ( 0 == $id ) {
1207                         $s = $this->makeBrokenLink( $t1->getText() );
1208                 } else {
1209                         $s = $this->makeKnownLink( $t1->getText() );
1210                 }
1211                 $s .= ', ';
1212
1213                 $wgLinkCache->suspend();
1214                 $id = $t2->getArticleID();
1215                 $wgLinkCache->resume();
1216
1217                 if ( 0 == $id ) {
1218                         $s .= $this->makeBrokenLink( $t2->getText() );
1219                 } else {
1220                         $s .= $this->makeKnownLink( $t2->getText() );
1221                 }
1222                 return $s;
1223         }
1224
1225         function talkLink() {
1226                 global $wgTitle, $wgLinkCache;
1227
1228                 if ( NS_SPECIAL == $wgTitle->getNamespace() ) {
1229                         # No discussion links for special pages
1230                         return '';
1231                 }
1232
1233                 if( $wgTitle->isTalkPage() ) {
1234                         $link = $wgTitle->getSubjectPage();
1235                         switch( $link->getNamespace() ) {
1236                         case NS_MAIN:
1237                                 $text = wfMsg('articlepage');
1238                                 break;
1239                         case NS_USER:
1240                                 $text = wfMsg('userpage');
1241                                 break;
1242                         case NS_PROJECT:
1243                                 $text = wfMsg('wikipediapage');
1244                                 break;
1245                         case NS_IMAGE:
1246                                 $text = wfMsg('imagepage');
1247                                 break;
1248                         default:
1249                                 $text= wfMsg('articlepage');
1250                         }
1251                 } else {
1252                         $link = $wgTitle->getTalkPage();
1253                         $text = wfMsg( 'talkpage' );
1254                 }
1255
1256                 $wgLinkCache->suspend();
1257                 $s = $this->makeLinkObj( $link, $text );
1258                 $wgLinkCache->resume();
1259
1260                 return $s;
1261         }
1262
1263         function commentLink() {
1264                 global $wgContLang, $wgTitle, $wgLinkCache;
1265
1266                 if ( $wgTitle->getNamespace() == NS_SPECIAL ) {
1267                         return '';
1268                 }
1269                 return $this->makeKnownLinkObj( $wgTitle->getTalkPage(),
1270                         wfMsg( 'postcomment' ), 'action=edit&section=new' );
1271         }
1272
1273         /* these are used extensively in SkinPHPTal, but also some other places */
1274         /*static*/ function makeSpecialUrl( $name, $urlaction='' ) {
1275                 $title = Title::makeTitle( NS_SPECIAL, $name );
1276                 return $title->getLocalURL( $urlaction );
1277         }
1278
1279         /*static*/ function makeI18nUrl ( $name, $urlaction='' ) {
1280                 $title = Title::newFromText( wfMsgForContent($name) );
1281                 $this->checkTitle($title, $name);
1282                 return $title->getLocalURL( $urlaction );
1283         }
1284
1285         /*static*/ function makeUrl ( $name, $urlaction='' ) {
1286                 $title = Title::newFromText( $name );
1287                 $this->checkTitle($title, $name);
1288                 return $title->getLocalURL( $urlaction );
1289         }
1290
1291         # If url string starts with http, consider as external URL, else
1292         # internal
1293         /*static*/ function makeInternalOrExternalUrl( $name ) {
1294                 if ( preg_match( '/^(?:' . wfUrlProtocols() . ')/', $name ) ) {
1295                         return $name;
1296                 } else {
1297                         return $this->makeUrl( $name );
1298                 }
1299         }
1300
1301         # this can be passed the NS number as defined in Language.php
1302         /*static*/ function makeNSUrl( $name, $urlaction='', $namespace=NS_MAIN ) {
1303                 $title = Title::makeTitleSafe( $namespace, $name );
1304                 $this->checkTitle($title, $name);
1305                 return $title->getLocalURL( $urlaction );
1306         }
1307
1308         /* these return an array with the 'href' and boolean 'exists' */
1309         /*static*/ function makeUrlDetails ( $name, $urlaction='' ) {
1310                 $title = Title::newFromText( $name );
1311                 $this->checkTitle($title, $name);
1312                 return array(
1313                         'href' => $title->getLocalURL( $urlaction ),
1314                         'exists' => $title->getArticleID() != 0?true:false
1315                 );
1316         }
1317
1318         /**
1319          * Make URL details where the article exists (or at least it's convenient to think so)
1320          */
1321         function makeKnownUrlDetails( $name, $urlaction='' ) {
1322                 $title = Title::newFromText( $name );
1323                 $this->checkTitle($title, $name);
1324                 return array(
1325                         'href' => $title->getLocalURL( $urlaction ),
1326                         'exists' => true
1327                 );
1328         }
1329
1330         # make sure we have some title to operate on
1331         /*static*/ function checkTitle ( &$title, &$name ) {
1332                 if(!is_object($title)) {
1333                         $title = Title::newFromText( $name );
1334                         if(!is_object($title)) {
1335                                 $title = Title::newFromText( '--error: link target missing--' );
1336                         }
1337                 }
1338         }
1339
1340         /**
1341          * Build an array that represents the sidebar(s), the navigation bar among them
1342          *
1343          * @return array
1344          * @access private
1345          */
1346         function buildSidebar() {
1347                 global $wgTitle, $action;
1348
1349                 $fname = 'SkinTemplate::buildSidebar';
1350                 $pageurl = $wgTitle->getLocalURL();
1351                 wfProfileIn( $fname );
1352
1353                 $bar = array();
1354                 $lines = explode( "\n", wfMsgForContent( 'sidebar' ) );
1355                 foreach ($lines as $line) {
1356                         if (strpos($line, '*') !== 0)
1357                                 continue;
1358                         if (strpos($line, '**') !== 0) {
1359                                 $line = trim($line, '* ');
1360                                 $heading = $line;
1361                         } else {
1362                                 if (strpos($line, '|') !== false) { // sanity check
1363                                         $line = explode( '|' , trim($line, '* '), 2 );
1364                                         $link = wfMsgForContent( $line[0] );
1365                                         if ($link == '-')
1366                                                 continue;
1367                                         if (wfEmptyMsg($line[1], $text = wfMsg($line[1])))
1368                                                 $text = $line[1];
1369                                         if (wfEmptyMsg($line[0], $link))
1370                                                 $link = $line[0];
1371                                         $href = $this->makeInternalOrExternalUrl( $link );
1372                                         $bar[$heading][] = array(
1373                                                 'text' => $text,
1374                                                 'href' => $href,
1375                                                 'id' => 'n-' . strtr($line[1], ' ', '-'),
1376                                                 'active' => $pageurl == $href
1377                                         );
1378                                 } else { continue; }
1379                         }
1380                 }
1381
1382                 wfProfileOut( $fname );
1383                 return $bar;
1384         }
1385 }
1386
1387 }
1388 ?>