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