includes/Skin.php

   1 <?php
   2 # See skin.doc
   3
   4 require_once( 'Feed.php' );  // should not be called if the actual page isn't feed enabled
   5 require_once( 'Image.php' );
   6
   7 # These are the INTERNAL names, which get mapped
   8 # directly to class names.  For display purposes, the
   9 # Language class has internationalized names
  10 #
  11 /* private */ $wgValidSkinNames = array(
  12         'standard'              => 'Standard',
  13         'nostalgia'             => 'Nostalgia',
  14         'cologneblue'   => 'CologneBlue'
  15 );
  16 if( $wgUsePHPTal ) {
  17     #$wgValidSkinNames[] = 'PHPTal';
  18     #$wgValidSkinNames['davinci'] = 'DaVinci';
  19     #$wgValidSkinNames['mono'] = 'Mono';
  20     $wgValidSkinNames['monobook'] = 'MonoBook';
  21     $wgValidSkinNames['myskin'] = 'MySkin';
  22     #$wgValidSkinNames['monobookminimal'] = 'MonoBookMinimal';
  23 }
  24
  25 require_once( 'RecentChange.php' );
  26
  27 class RCCacheEntry extends RecentChange
  28 {
  29         var $secureName, $link;
  30         var $curlink , $lastlink , $usertalklink , $versionlink ;
  31         var $userlink, $timestamp, $watched;
  32
  33         function newFromParent( $rc )
  34         {
  35                 $rc2 = new RCCacheEntry;
  36                 $rc2->mAttribs = $rc->mAttribs;
  37                 $rc2->mExtra = $rc->mExtra;
  38                 return $rc2;
  39         }
  40 } ;
  41
  42 class Skin {
  43
  44         /* private */ var $lastdate, $lastline;
  45         var $linktrail ; # linktrail regexp
  46         var $rc_cache ; # Cache for Enhanced Recent Changes
  47         var $rcCacheIndex ; # Recent Changes Cache Counter for visibility toggle
  48         var $rcMoveIndex;
  49
  50         function Skin()
  51         {
  52                 $this->linktrail = wfMsg('linktrail');
  53         }
  54
  55         function getSkinNames()
  56         {
  57                 global $wgValidSkinNames;
  58                 return $wgValidSkinNames;
  59         }
  60
  61         function getStylesheet()
  62         {
  63                 return 'wikistandard.css';
  64         }
  65         function getSkinName() {
  66                 return "standard";
  67         }
  68
  69         function qbSetting()
  70         {
  71                 global $wgOut, $wgUser;
  72
  73                 if ( $wgOut->isQuickbarSuppressed() ) { return 0; }
  74                 $q = $wgUser->getOption( 'quickbar' );
  75                 if ( '' == $q ) { $q = 0; }
  76                 return $q;
  77         }
  78
  79         function initPage( &$out )
  80         {
  81                 $fname = 'Skin::initPage';
  82                 wfProfileIn( $fname );
  83
  84                 $out->addLink( array( 'rel' => 'shortcut icon', 'href' => '/favicon.ico' ) );
  85
  86                 $this->addMetadataLinks($out);
  87
  88                 wfProfileOut( $fname );
  89         }
  90
  91         function addMetadataLinks( &$out ) {
  92                 global $wgTitle, $wgEnableDublinCoreRdf, $wgEnableCreativeCommonsRdf, $wgRdfMimeType, $action;
  93                 global $wgRightsPage, $wgRightsUrl;
  94
  95                 if( $out->isArticleRelated() ) {
  96                         # note: buggy CC software only reads first "meta" link
  97                         if( $wgEnableCreativeCommonsRdf ) {
  98                                 $out->addMetadataLink( array(
  99                                         'title' => 'Creative Commons',
 100                                         'type' => 'application/rdf+xml',
 101                                         'href' => $wgTitle->getLocalURL( 'action=creativecommons') ) );
 102                         }
 103                         if( $wgEnableDublinCoreRdf ) {
 104                                 $out->addMetadataLink( array(
 105                                         'title' => 'Dublin Core',
 106                                         'type' => 'application/rdf+xml',
 107                                         'href' => $wgTitle->getLocalURL( 'action=dublincore' ) ) );
 108                         }
 109                 }
 110                 $copyright = '';
 111                 if( $wgRightsPage ) {
 112                         $copy = Title::newFromText( $wgRightsPage );
 113                         if( $copy ) {
 114                                 $copyright = $copy->getLocalURL();
 115                         }
 116                 }
 117                 if( !$copyright && $wgRightsUrl ) {
 118                         $copyright = $wgRightsUrl;
 119                 }
 120                 if( $copyright ) {
 121                         $out->addLink( array(
 122                                 'rel' => 'copyright',
 123                                 'href' => $copyright ) );
 124                 }
 125         }
 126
 127         function outputPage( &$out ) {
 128                 global $wgDebugComments;
 129
 130                 wfProfileIn( 'Skin::outputPage' );
 131                 $this->initPage( $out );
 132                 $out->out( $out->headElement() );
 133
 134                 $out->out( "\n<body" );
 135                 $ops = $this->getBodyOptions();
 136                 foreach ( $ops as $name => $val ) {
 137                         $out->out( " $name='$val'" );
 138                 }
 139                 $out->out( ">\n" );
 140                 if ( $wgDebugComments ) {
 141                         $out->out( "<!-- Wiki debugging output:\n" .
 142                           $out->mDebugtext . "-->\n" );
 143                 }
 144                 $out->out( $this->beforeContent() );
 145
 146                 $out->out( $out->mBodytext . "\n" );
 147
 148                 $out->out( $this->afterContent() );
 149
 150                 wfProfileClose();
 151                 $out->out( $out->reportTime() );
 152
 153                 $out->out( "\n</body></html>" );
 154         }
 155
 156         function getHeadScripts() {
 157                 global $wgStylePath, $wgUser, $wgLang;
 158                 $r = "<script type=\"text/javascript\" src=\"{$wgStylePath}/wikibits.js\"></script>\n";
 159                 if( $wgUser->getID() != 0 ) { # logged in
 160                         $userpage = $wgLang->getNsText( Namespace::getUser() ) . ":" . $wgUser->getName();
 161                         $userjs = htmlspecialchars($this->makeUrl($userpage.'/'.$this->getSkinName().'.js', 'action=raw&ctype=text/javascript'));
 162                         $r .= '<script type="text/javascript" src="'.$userjs."\"></script>\n";
 163                 }
 164                 return $r;
 165         }
 166
 167         # get the user/site-specific stylesheet, SkinPHPTal called from RawPage.php (settings are cached that way)
 168         function getUserStylesheet() {
 169                 global $wgOut, $wgStylePath, $wgLang, $wgUser, $wgRequest, $wgTitle;
 170                 $sheet = $this->getStylesheet();
 171                 $action = $wgRequest->getText('action');
 172                 $s = "@import \"$wgStylePath/$sheet\";\n";
 173                 if($wgLang->isRTL()) $s .= "@import \"$wgStylePath/common_rtl.css\";\n";
 174                 if( $wgUser->getID() != 0 ) { # logged in
 175                         if($wgTitle->isCssSubpage() and $action == 'submit' and  $wgTitle->userCanEditCssJsSubpage()) {
 176                                 $s .= $wgRequest->getText('wpTextbox1');
 177                         } else {
 178                                 $userpage = $wgLang->getNsText( Namespace::getUser() ) . ":" . $wgUser->getName();
 179                                 $s.= '@import "'.$this->makeUrl($userpage.'/'.$this->getSkinName().'.css', 'action=raw&ctype=text/css').'";'."\n";
 180                         }
 181                 }
 182                 $s .= $this->doGetUserStyles();
 183                 return $s."\n";
 184         }
 185         # placeholder, returns generated js in monobook
 186         function getUserJs() {
 187                 return;
 188         }
 189
 190         function getUserStyles()
 191         {
 192                 global $wgOut, $wgStylePath, $wgLang;
 193                 $s = "<style type='text/css'>\n";
 194                 $s .= "/*/*/\n"; # <-- Hide the styles from Netscape 4 without hiding them from IE/Mac
 195                 $s .= $this->getUserStylesheet();
 196                 $s .= "/* */\n";
 197                 $s .= "</style>\n";
 198                 return $s;
 199         }
 200
 201         function doGetUserStyles()
 202         {
 203                 global $wgUser;
 204
 205                 $s = '';
 206                 if ( 1 == $wgUser->getOption( 'underline' ) ) {
 207                         # Don't override browser settings
 208                 } else {
 209                         # CHECK MERGE @@@
 210                         # Force no underline
 211                         $s .= 'a { ' .
 212                           "text-decoration: none; }\n";
 213                 }
 214                 if ( 1 == $wgUser->getOption( 'highlightbroken' ) ) {
 215                         $s .= "a.new, #quickbar a.new { color: #CC2200; }\n";
 216                 }
 217                 if ( 1 == $wgUser->getOption( 'justify' ) ) {
 218                         $s .= "#article { text-align: justify; }\n";
 219                 }
 220                 return $s;
 221         }
 222
 223         function getBodyOptions()
 224         {
 225                 global $wgUser, $wgTitle, $wgNamespaceBackgrounds, $wgOut, $wgRequest;
 226
 227                 extract( $wgRequest->getValues( 'oldid', 'redirect', 'diff' ) );
 228
 229                 if ( 0 != $wgTitle->getNamespace() ) {
 230                         $a = array( 'bgcolor' => '#ffffec' );
 231                 }
 232                 else $a = array( 'bgcolor' => '#FFFFFF' );
 233                 if($wgOut->isArticle() && $wgUser->getOption('editondblclick') &&
 234                   (!$wgTitle->isProtected() || $wgUser->isSysop()) ) {
 235                         $t = wfMsg( 'editthispage' );
 236                         $oid = $red = '';
 237                         if ( !empty($redirect) ) {
 238                                 $red = "&redirect={$redirect}";
 239                         }
 240                         if ( !empty($oldid) && ! isset( $diff ) ) {
 241                                 $oid = "&oldid={$oldid}";
 242                         }
 243                         $s = $wgTitle->getFullURL( "action=edit{$oid}{$red}" );
 244                         $s = 'document.location = "' .$s .'";';
 245                         $a += array ('ondblclick' => $s);
 246
 247                 }
 248                 $a['onload'] = $wgOut->getOnloadHandler();
 249                 return $a;
 250         }
 251
 252         function getExternalLinkAttributes( $link, $text, $class='' )
 253         {
 254                 global $wgUser, $wgOut, $wgLang;
 255
 256                 $link = urldecode( $link );
 257                 $link = $wgLang->checkTitleEncoding( $link );
 258                 $link = str_replace( '_', ' ', $link );
 259                 $link = wfEscapeHTML( $link );
 260
 261                 $r = ($class != '') ? " class='$class'" : " class='external'";
 262
 263                 if ( 1 == $wgUser->getOption( 'hover' ) ) {
 264                         $r .= " title=\"{$link}\"";
 265                 }
 266                 return $r;
 267         }
 268
 269         function getInternalLinkAttributes( $link, $text, $broken = false )
 270         {
 271                 global $wgUser, $wgOut;
 272
 273                 $link = urldecode( $link );
 274                 $link = str_replace( '_', ' ', $link );
 275                 $link = wfEscapeHTML( $link );
 276
 277                 if ( $broken == 'stub' ) {
 278                         $r = ' class="stub"';
 279                 } else if ( $broken == 'yes' ) {
 280                         $r = ' class="new"';
 281                 } else {
 282                         $r = '';
 283                 }
 284
 285                 if ( 1 == $wgUser->getOption( 'hover' ) ) {
 286                         $r .= " title=\"{$link}\"";
 287                 }
 288                 return $r;
 289         }
 290
 291         function getInternalLinkAttributesObj( &$nt, $text, $broken = false )
 292         {
 293                 global $wgUser, $wgOut;
 294
 295                 if ( $broken == 'stub' ) {
 296                         $r = ' class="stub"';
 297                 } else if ( $broken == 'yes' ) {
 298                         $r = ' class="new"';
 299                 } else {
 300                         $r = '';
 301                 }
 302
 303                 if ( 1 == $wgUser->getOption( 'hover' ) ) {
 304                         $r .= ' title ="' . $nt->getEscapedText() . '"';
 305                 }
 306                 return $r;
 307         }
 308
 309         function getLogo()
 310         {
 311                 global $wgLogo;
 312                 return $wgLogo;
 313         }
 314
 315         # This will be called immediately after the <body> tag.  Split into
 316         # two functions to make it easier to subclass.
 317         #
 318         function beforeContent()
 319         {
 320                 global $wgUser, $wgOut, $wgSiteNotice;
 321
 322                 if( $wgSiteNotice ) {
 323                         $note = "\n<div id='siteNotice'>$wgSiteNotice</div>\n";
 324                 } else {
 325                         $note = '';
 326                 }
 327                 return $this->doBeforeContent() . $note;
 328         }
 329
 330         function doBeforeContent()
 331         {
 332                 global $wgUser, $wgOut, $wgTitle, $wgLang;
 333                 $fname = 'Skin::doBeforeContent';
 334                 wfProfileIn( $fname );
 335
 336                 $s = '';
 337                 $qb = $this->qbSetting();
 338
 339                 if( $langlinks = $this->otherLanguages() ) {
 340                         $rows = 2;
 341                         $borderhack = '';
 342                 } else {
 343                         $rows = 1;
 344                         $langlinks = false;
 345                         $borderhack = 'class="top"';
 346                 }
 347
 348                 $s .= "\n<div id='content'>\n<div id='topbar'>\n" .
 349                   "<table border='0' cellspacing='0' width='98%'>\n<tr>\n";
 350
 351                 $shove = ($qb != 0);
 352                 $left = ($qb == 1 || $qb == 3);
 353                 if($wgLang->isRTL()) $left = !$left;
 354
 355                 if ( !$shove ) {
 356                         $s .= "<td class='top' align='left' valign='top' rowspan='{$rows}'>\n" .
 357                           $this->logoText() . '</td>';
 358                 } elseif( $left ) {
 359                         $s .= $this->getQuickbarCompensator( $rows );
 360                 }
 361                 $l = $wgLang->isRTL() ? 'right' : 'left';
 362                 $s .= "<td {$borderhack} align='$l' valign='top'>\n";
 363
 364                 $s .= $this->topLinks() ;
 365                 $s .= "<p class='subtitle'>" . $this->pageTitleLinks() . "</p>\n";
 366
 367                 $r = $wgLang->isRTL() ? "left" : "right";
 368                 $s .= "</td>\n<td {$borderhack} valign='top' align='$r' nowrap='nowrap'>";
 369                 $s .= $this->nameAndLogin();
 370                 $s .= "\n<br />" . $this->searchForm() . "</td>";
 371
 372                 if ( $langlinks ) {
 373                         $s .= "</tr>\n<tr>\n<td class='top' colspan=\"2\">$langlinks</td>\n";
 374                 }
 375
 376                 if ( $shove && !$left ) { # Right
 377                         $s .= $this->getQuickbarCompensator( $rows );
 378                 }
 379                 $s .= "</tr>\n</table>\n</div>\n";
 380                 $s .= "\n<div id='article'>\n";
 381
 382                 $s .= $this->pageTitle();
 383                 $s .= $this->pageSubtitle() ;
 384                 $s .= $this->getCategories();
 385                 wfProfileOut( $fname );
 386                 return $s;
 387         }
 388
 389         function getCategoryLinks () {
 390                 global $wgOut, $wgTitle, $wgUser, $wgParser;
 391                 global $wgUseCategoryMagic, $wgUseCategoryBrowser, $wgLang;
 392                 if( !$wgUseCategoryMagic ) return '' ;
 393                 if( count( $wgOut->mCategoryLinks ) == 0 ) return '';
 394                 if( !$wgOut->isArticle() ) return '';
 395
 396                 $t = implode ( ' | ' , $wgOut->mCategoryLinks ) ;
 397                 $s = $this->makeKnownLink( 'Special:Categories',
 398                         wfMsg( 'categories' ), 'article=' . urlencode( $wgTitle->getPrefixedDBkey() ) )
 399                         . ': ' . $t;
 400
 401                 if($wgUseCategoryBrowser) {
 402                         $s .= '<br/><hr/>';
 403                         $catstack = array();
 404                         $s.= $wgTitle->getAllParentCategories($catstack);
 405                 }
 406
 407                 return $s;
 408         }
 409
 410         function getCategories() {
 411                 $catlinks=$this->getCategoryLinks();
 412                 if(!empty($catlinks)) {
 413                         return "<p class='catlinks'>{$catlinks}</p>";
 414                 }
 415         }
 416
 417         function getQuickbarCompensator( $rows = 1 )
 418         {
 419                 return "<td width='152' rowspan='{$rows}'>&nbsp;</td>";
 420         }
 421
 422         # This gets called immediately before the </body> tag.
 423         #
 424         function afterContent()
 425         {
 426                 global $wgUser, $wgOut, $wgServer;
 427                 global $wgTitle, $wgLang;
 428
 429                 $printfooter = "<div class=\"printfooter\">\n" . $this->printFooter() . "</div>\n";
 430                 return $printfooter . $this->doAfterContent();
 431         }
 432
 433         function printFooter() {
 434                 global $wgTitle;
 435                 $url = htmlspecialchars( $wgTitle->getFullURL() );
 436                 return "<p>" . wfMsg( "retrievedfrom", "<a href=\"$url\">$url</a>" ) .
 437                         "</p>\n\n<p>" . $this->pageStats() . "</p>\n";
 438         }
 439
 440         function doAfterContent()
 441         {
 442                 global $wgUser, $wgOut, $wgLang;
 443                 $fname =  'Skin::doAfterContent';
 444                 wfProfileIn( $fname );
 445                 wfProfileIn( $fname.'-1' );
 446
 447                 $s = "\n</div><br style=\"clear:both\" />\n";
 448                 $s .= "\n<div id='footer'>";
 449                 $s .= '<table border="0" cellspacing="0"><tr>';
 450
 451                 wfProfileOut( $fname.'-1' );
 452                 wfProfileIn( $fname.'-2' );
 453
 454                 $qb = $this->qbSetting();
 455                 $shove = ($qb != 0);
 456                 $left = ($qb == 1 || $qb == 3);
 457                 if($wgLang->isRTL()) $left = !$left;
 458
 459                 if ( $shove && $left ) { # Left
 460                         $s .= $this->getQuickbarCompensator();
 461                 }
 462                 wfProfileOut( $fname.'-2' );
 463                 wfProfileIn( $fname.'-3' );
 464                 $l = $wgLang->isRTL() ? 'right' : 'left';
 465                 $s .= "<td class='bottom' align='$l' valign='top'>";
 466
 467                 $s .= $this->bottomLinks();
 468                 $s .= "\n<br />" . $this->mainPageLink()
 469                   . ' | ' . $this->aboutLink()
 470                   . ' | ' . $this->specialLink( 'recentchanges' )
 471                   . ' | ' . $this->searchForm()
 472                   . '<br /><span id="pagestats">' . $this->pageStats() . '</span>';
 473
 474                 $s .= "</td>";
 475                 if ( $shove && !$left ) { # Right
 476                         $s .= $this->getQuickbarCompensator();
 477                 }
 478                 $s .= "</tr></table>\n</div>\n</div>\n";
 479
 480                 wfProfileOut( $fname.'-3' );
 481                 wfProfileIn( $fname.'-4' );
 482                 if ( 0 != $qb ) { $s .= $this->quickBar(); }
 483                 wfProfileOut( $fname.'-4' );
 484                 wfProfileOut( $fname );
 485                 return $s;
 486         }
 487
 488         function pageTitleLinks()
 489         {
 490                 global $wgOut, $wgTitle, $wgUser, $wgLang, $wgUseApproval, $wgRequest;
 491
 492                 extract( $wgRequest->getValues( 'oldid', 'diff' ) );
 493                 $action = $wgRequest->getText( 'action' );
 494
 495                 $s = $this->printableLink();
 496                 if ( wfMsg ( 'disclaimers' ) != '-' ) $s .= ' | ' . $this->makeKnownLink( wfMsg( 'disclaimerpage' ), wfMsg( 'disclaimers' ) ) ;
 497
 498                 if ( $wgOut->isArticleRelated() ) {
 499                         if ( $wgTitle->getNamespace() == Namespace::getImage() ) {
 500                                 $name = $wgTitle->getDBkey();
 501                                 $link = wfEscapeHTML( Image::wfImageUrl( $name ) );
 502                                 $style = $this->getInternalLinkAttributes( $link, $name );
 503                                 $s .= " | <a href=\"{$link}\"{$style}>{$name}</a>";
 504                         }
 505                         # This will show the "Approve" link if $wgUseApproval=true;
 506                         if ( isset ( $wgUseApproval ) && $wgUseApproval )
 507                         {
 508                                 $t = $wgTitle->getDBkey();
 509                                 $name = 'Approve this article' ;
 510                                 $link = "http://test.wikipedia.org/w/magnus/wiki.phtml?title={$t}&action=submit&doit=1" ;
 511                                 #wfEscapeHTML( wfImageUrl( $name ) );
 512                                 $style = $this->getExternalLinkAttributes( $link, $name );
 513                                 $s .= " | <a href=\"{$link}\"{$style}>{$name}</a>" ;
 514                         }
 515                 }
 516                 if ( 'history' == $action || isset( $diff ) || isset( $oldid ) ) {
 517                         $s .= ' | ' . $this->makeKnownLink( $wgTitle->getPrefixedText(),
 518                                         wfMsg( 'currentrev' ) );
 519                 }
 520
 521                 if ( $wgUser->getNewtalk() ) {
 522                 # do not show "You have new messages" text when we are viewing our
 523                 # own talk page
 524
 525                         if(!(strcmp($wgTitle->getText(),$wgUser->getName()) == 0 &&
 526                                                 $wgTitle->getNamespace()==Namespace::getTalk(Namespace::getUser()))) {
 527                                 $n =$wgUser->getName();
 528                                 $tl = $this->makeKnownLink( $wgLang->getNsText(
 529                                                         Namespace::getTalk( Namespace::getUser() ) ) . ":{$n}",
 530                                                 wfMsg('newmessageslink') );
 531                                 $s.= ' | <strong>'. wfMsg( 'newmessages', $tl ) . '</strong>';
 532                         }
 533                 }
 534
 535                 $undelete = $this->getUndeleteLink();
 536                 if( !empty( $undelete ) ) {
 537                         $s .= ' | '.$undelete;
 538                 }
 539                 return $s;
 540         }
 541
 542         function getUndeleteLink() {
 543                 global $wgUser, $wgTitle, $wgLang, $action;
 544                 if( $wgUser->isSysop() &&
 545                         (($wgTitle->getArticleId() == 0) || ($action == "history")) &&
 546                         ($n = $wgTitle->isDeleted() ) ) {
 547                         return wfMsg( 'thisisdeleted',
 548                                 $this->makeKnownLink(
 549                                         $wgLang->SpecialPage( 'Undelete/' . $wgTitle->getPrefixedDBkey() ),
 550                                         wfMsg( 'restorelink', $n ) ) );
 551                 }
 552                 return '';
 553         }
 554
 555         function printableLink()
 556         {
 557                 global $wgOut, $wgFeedClasses, $wgRequest;
 558
 559                 $baseurl = $_SERVER['REQUEST_URI'];
 560                 if( strpos( '?', $baseurl ) == false ) {
 561                         $baseurl .= '?';
 562                 } else {
 563                         $baseurl .= '&';
 564                 }
 565                 $baseurl = htmlspecialchars( $baseurl );
 566                 $printurl = $wgRequest->escapeAppendQuery( 'printable=yes' );
 567
 568                 $s = "<a href=\"$printurl\">" . wfMsg( 'printableversion' ) . '</a>';
 569                 if( $wgOut->isSyndicated() ) {
 570                         foreach( $wgFeedClasses as $format => $class ) {
 571                                 $feedurl = $wgRequest->escapeAppendQuery( "feed=$format" );
 572                                 $s .= " | <a href=\"$feedurl\">{$format}</a>";
 573                         }
 574                 }
 575                 return $s;
 576         }
 577
 578         function pageTitle()
 579         {
 580                 global $wgOut, $wgTitle, $wgUser;
 581
 582                 $s = '<h1 class="pagetitle">' . htmlspecialchars( $wgOut->getPageTitle() ) . '</h1>';
 583                 if($wgUser->getOption( 'editsectiononrightclick' ) && $wgTitle->userCanEdit()) { $s=$this->editSectionScript(0,$s);}
 584                 return $s;
 585         }
 586
 587         function pageSubtitle()
 588         {
 589                 global $wgOut;
 590
 591                 $sub = $wgOut->getSubtitle();
 592                 if ( '' == $sub ) {
 593                         global $wgExtraSubtitle;
 594                         $sub = wfMsg( 'fromwikipedia' ) . $wgExtraSubtitle;
 595                 }
 596                 $subpages = $this->subPageSubtitle();
 597                 $sub .= !empty($subpages)?"</p><p class='subpages'>$subpages":'';
 598                 $s = "<p class='subtitle'>{$sub}</p>\n";
 599                 return $s;
 600         }
 601
 602         function subPageSubtitle()
 603         {
 604                 global $wgOut,$wgTitle,$wgNamespacesWithSubpages;
 605                 $subpages = '';
 606                 if($wgOut->isArticle() && !empty($wgNamespacesWithSubpages[$wgTitle->getNamespace()])) {
 607                         $ptext=$wgTitle->getPrefixedText();
 608                         if(preg_match('/\//',$ptext)) {
 609                                 $links = explode('/',$ptext);
 610                                 $c = 0;
 611                                 $growinglink = '';
 612                                 foreach($links as $link) {
 613                                         $c++;
 614                                         if ($c<count($links)) {
 615                                                 $growinglink .= $link;
 616                                                 $getlink = $this->makeLink( $growinglink, $link );
 617                                                 if(preg_match('/class="new"/i',$getlink)) { break; } # this is a hack, but it saves time
 618                                                 if ($c>1) {
 619                                                         $subpages .= ' | ';
 620                                                 } else  {
 621                                                         $subpages .= '&lt; ';
 622                                                 }
 623                                                 $subpages .= $getlink;
 624                                                 $growinglink .= '/';
 625                                         }
 626                                 }
 627                         }
 628                 }
 629                 return $subpages;
 630         }
 631
 632         function nameAndLogin()
 633         {
 634                 global $wgUser, $wgTitle, $wgLang, $wgShowIPinHeader, $wgIP;
 635
 636                 $li = $wgLang->specialPage( 'Userlogin' );
 637                 $lo = $wgLang->specialPage( 'Userlogout' );
 638
 639                 $s = '';
 640                 if ( 0 == $wgUser->getID() ) {
 641                         if( $wgShowIPinHeader && isset(  $_COOKIE[ini_get('session.name')] ) ) {
 642                                 $n = $wgIP;
 643
 644                                 $tl = $this->makeKnownLink( $wgLang->getNsText(
 645                                   Namespace::getTalk( Namespace::getUser() ) ) . ":{$n}",
 646                                   $wgLang->getNsText( Namespace::getTalk( 0 ) ) );
 647
 648                                 $s .= $n . ' ('.$tl.')';
 649                         } else {
 650                                 $s .= wfMsg('notloggedin');
 651                         }
 652
 653                         $rt = $wgTitle->getPrefixedURL();
 654                         if ( 0 == strcasecmp( urlencode( $lo ), $rt ) ) {
 655                                 $q = '';
 656                         } else { $q = "returnto={$rt}"; }
 657
 658                         $s .= "\n<br />" . $this->makeKnownLink( $li,
 659                           wfMsg( 'login' ), $q );
 660                 } else {
 661                         $n = $wgUser->getName();
 662                         $rt = $wgTitle->getPrefixedURL();
 663                         $tl = $this->makeKnownLink( $wgLang->getNsText(
 664                           Namespace::getTalk( Namespace::getUser() ) ) . ":{$n}",
 665                           $wgLang->getNsText( Namespace::getTalk( 0 ) ) );
 666
 667                         $tl = " ({$tl})";
 668
 669                         $s .= $this->makeKnownLink( $wgLang->getNsText(
 670                           Namespace::getUser() ) . ":{$n}", $n ) . "{$tl}<br />" .
 671                           $this->makeKnownLink( $lo, wfMsg( 'logout' ),
 672                           "returnto={$rt}" ) . ' | ' .
 673                           $this->specialLink( 'preferences' );
 674                 }
 675                 $s .= ' | ' . $this->makeKnownLink( wfMsg( 'helppage' ),
 676                   wfMsg( 'help' ) );
 677
 678                 return $s;
 679         }
 680
 681         function getSearchLink() {
 682                 $searchPage =& Title::makeTitle( NS_SPECIAL, 'Search' );
 683                 return $searchPage->getLocalURL();
 684         }
 685
 686         function escapeSearchLink() {
 687                 return htmlspecialchars( $this->getSearchLink() );
 688         }
 689
 690         function searchForm()
 691         {
 692                 global $wgRequest;
 693                 $search = $wgRequest->getText( 'search' );
 694
 695                 $s = '<form name="search" class="inline" method="post" action="'
 696                   . $this->escapeSearchLink() . "\">\n"
 697                   . '<input type="text" name="search" size="19" value="'
 698                   . htmlspecialchars(substr($search,0,256)) . "\" />\n"
 699                   . '<input type="submit" name="go" value="' . wfMsg ('go') . '" />&nbsp;'
 700                   . '<input type="submit" name="fulltext" value="' . wfMsg ('search') . "\" />\n</form>";
 701
 702                 return $s;
 703         }
 704
 705         function topLinks()
 706         {
 707                 global $wgOut;
 708                 $sep = " |\n";
 709
 710                 $s = $this->mainPageLink() . $sep
 711                   . $this->specialLink( 'recentchanges' );
 712
 713                 if ( $wgOut->isArticleRelated() ) {
 714                         $s .=  $sep . $this->editThisPage()
 715                           . $sep . $this->historyLink();
 716                 }
 717                 # Many people don't like this dropdown box
 718                 #$s .= $sep . $this->specialPagesList();
 719
 720                 return $s;
 721         }
 722
 723         function bottomLinks()
 724         {
 725                 global $wgOut, $wgUser, $wgTitle;
 726                 $sep = " |\n";
 727
 728                 $s = '';
 729                 if ( $wgOut->isArticleRelated() ) {
 730                         $s .= '<strong>' . $this->editThisPage() . '</strong>';
 731                         if ( 0 != $wgUser->getID() ) {
 732                                 $s .= $sep . $this->watchThisPage();
 733                         }
 734                         $s .= $sep . $this->talkLink()
 735                           . $sep . $this->historyLink()
 736                           . $sep . $this->whatLinksHere()
 737                           . $sep . $this->watchPageLinksLink();
 738
 739                         if ( $wgTitle->getNamespace() == Namespace::getUser()
 740                             || $wgTitle->getNamespace() == Namespace::getTalk(Namespace::getUser()) )
 741
 742                         {
 743                                 $id=User::idFromName($wgTitle->getText());
 744                                 $ip=User::isIP($wgTitle->getText());
 745
 746                                 if($id || $ip) { # both anons and non-anons have contri list
 747                                         $s .= $sep . $this->userContribsLink();
 748                                 }
 749                                 if ( 0 != $wgUser->getID() ) { # show only to signed in users
 750                                         if($id) {       # can only email non-anons
 751                                                 $s .= $sep . $this->emailUserLink();
 752                                         }
 753                                 }
 754                         }
 755                         if ( $wgUser->isSysop() && $wgTitle->getArticleId() ) {
 756                                 $s .= "\n<br />" . $this->deleteThisPage() .
 757                                 $sep . $this->protectThisPage() .
 758                                 $sep . $this->moveThisPage();
 759                         }
 760                         $s .= "<br />\n" . $this->otherLanguages();
 761                 }
 762                 return $s;
 763         }
 764
 765         function pageStats()
 766         {
 767                 global $wgOut, $wgLang, $wgArticle, $wgRequest;
 768                 global $wgDisableCounters;
 769
 770                 extract( $wgRequest->getValues( 'oldid', 'diff' ) );
 771                 if ( ! $wgOut->isArticle() ) { return ''; }
 772                 if ( isset( $oldid ) || isset( $diff ) ) { return ''; }
 773                 if ( 0 == $wgArticle->getID() ) { return ''; }
 774
 775                 $s = '';
 776                 if ( !$wgDisableCounters ) {
 777                         $count = $wgLang->formatNum( $wgArticle->getCount() );
 778                         if ( $count ) {
 779                                 $s = wfMsg( 'viewcount', $count );
 780                         }
 781                 }
 782
 783                 $s .= ' ' . $this->getCredits();
 784
 785                 return $s . ' ' .  $this->getCopyright();
 786         }
 787
 788         function getCredits() {
 789                global $wgMaxCredits;
 790
 791                $s = '';
 792
 793                if (!isset($wgMaxCredits) || $wgMaxCredits == 0) {
 794                         $s = $this->lastModified();
 795                } else {
 796                         $s = $this->getAuthorCredits();
 797                         if ($wgMaxCredits > 1) {
 798                             $s .= ' ' . $this->getContributorCredits();
 799                         }
 800                }
 801
 802                return $s;
 803         }
 804
 805         function getAuthorCredits() {
 806                 global $wgLang, $wgArticle;
 807
 808                 $last_author = $wgArticle->getUser();
 809
 810                 if ($last_author == 0) {
 811                     $author_credit = wfMsg('anonymous');
 812                 } else {
 813                     $real_name = User::whoIsReal($last_author);
 814                     if (!empty($real_name)) {
 815                         $author_credit = $real_name;
 816                     } else {
 817                         $author_credit = wfMsg('siteuser', User::whoIs($last_author));
 818                     }
 819                 }
 820
 821                 $timestamp = $wgArticle->getTimestamp();
 822                 if ( $timestamp ) {
 823                         $d = $wgLang->timeanddate( $wgArticle->getTimestamp(), true );
 824                 } else {
 825                         $d = '';
 826                 }
 827                 return wfMsg('lastmodifiedby', $d, $author_credit);
 828         }
 829
 830         function getContributorCredits() {
 831
 832                 global $wgArticle, $wgMaxCredits, $wgLang;
 833
 834                 # don't count last editor
 835
 836                 $contributors = $wgArticle->getContributors($wgMaxCredits - 1);
 837
 838                 $real_names = array();
 839                 $user_names = array();
 840
 841                 # Sift for real versus user names
 842
 843                 foreach ($contributors as $user_id => $user_parts) {
 844                     if ($user_id != 0) {
 845                         if (!empty($user_parts[1])) {
 846                             $real_names[$user_id] = $user_parts[1];
 847                         } else {
 848                             $user_names[$user_id] = $user_parts[0];
 849                         }
 850                     }
 851                 }
 852
 853                 $real = $wgLang->listToText(array_values($real_names));
 854                 $user = $wgLang->listToText(array_values($user_names));
 855
 856                 if (!empty($user)) {
 857                     $user = wfMsg('siteusers', $user);
 858                 }
 859
 860                 if ($contributors[0] && $contributors[0][0] > 0) {
 861                     $anon = wfMsg('anonymous');
 862                 } else {
 863                     $anon = '';
 864                 }
 865
 866                 $creds = $wgLang->listToText(array($real, $user, $anon));
 867
 868                 return wfMsg('othercontribs', $creds);
 869         }
 870
 871         function getCopyright() {
 872                 global $wgRightsPage, $wgRightsUrl, $wgRightsText;
 873                 $out = '';
 874                 if( $wgRightsPage ) {
 875                         $link = $this->makeKnownLink( $wgRightsPage, $wgRightsText );
 876                 } elseif( $wgRightsUrl ) {
 877                         $link = $this->makeExternalLink( $wgRightsUrl, $wgRightsText );
 878                 } else {
 879                         # Give up now
 880                         return $out;
 881                 }
 882                 $out .= wfMsg( 'copyright', $link );
 883                 return $out;
 884         }
 885
 886         function getCopyrightIcon() {
 887                 global $wgRightsPage, $wgRightsUrl, $wgRightsText, $wgRightsIcon;
 888                 $out = '';
 889                 if( $wgRightsIcon ) {
 890                         $icon = htmlspecialchars( $wgRightsIcon );
 891                         if( $wgRightsUrl ) {
 892                                 $url = htmlspecialchars( $wgRightsUrl );
 893                                 $out .= '<a href="'.$url.'">';
 894                         }
 895                         $text = htmlspecialchars( $wgRightsText );
 896                         $out .= "<img src=\"$icon\" alt='$text' />";
 897                         if( $wgRightsUrl ) {
 898                                 $out .= '</a>';
 899                         }
 900                 }
 901                 return $out;
 902         }
 903
 904         function getPoweredBy() {
 905                 global $wgStylePath;
 906                 $url = htmlspecialchars( "$wgStylePath/images/poweredby_mediawiki_88x31.png" );
 907                 $img = '<a href="http://www.mediawiki.org/"><img src="'.$url.'" alt="MediaWiki" /></a>';
 908                 return $img;
 909         }
 910
 911         function lastModified()
 912         {
 913                 global $wgLang, $wgArticle;
 914
 915                 $timestamp = $wgArticle->getTimestamp();
 916                 if ( $timestamp ) {
 917                         $d = $wgLang->timeanddate( $wgArticle->getTimestamp(), true );
 918                         $s = ' ' . wfMsg( 'lastmodified', $d );
 919                 } else {
 920                         $s = '';
 921                 }
 922                 return $s;
 923         }
 924
 925         function logoText( $align = '' )
 926         {
 927                 if ( '' != $align ) { $a = ' align="'.$align.'"'; }
 928                 else { $a = ''; }
 929
 930                 $mp = wfMsg( 'mainpage' );
 931                 $titleObj = Title::newFromText( $mp );
 932                 $s = '<a href="' . $titleObj->escapeLocalURL()
 933                   . '"><img'.$a.' src="'
 934                   . $this->getLogo() . '" alt="' . "[{$mp}]\" /></a>";
 935                 return $s;
 936         }
 937
 938         function quickBar()
 939         {
 940                 global $wgOut, $wgTitle, $wgUser, $wgRequest, $wgLang;
 941                 global $wgDisableUploads, $wgRemoteUploads;
 942
 943                 $fname =  'Skin::quickBar';
 944                 wfProfileIn( $fname );
 945
 946                 $action = $wgRequest->getText( 'action' );
 947                 $wpPreview = $wgRequest->getBool( 'wpPreview' );
 948                 $tns=$wgTitle->getNamespace();
 949
 950                 $s = "\n<div id='quickbar'>";
 951                 $s .= "\n" . $this->logoText() . "\n<hr class='sep' />";
 952
 953                 $sep = "\n<br />";
 954                 $s .= $this->mainPageLink()
 955                   . $sep . $this->specialLink( 'recentchanges' )
 956                   . $sep . $this->specialLink( 'randompage' );
 957                 if ($wgUser->getID()) {
 958                 $s.= $sep . $this->specialLink( 'watchlist' ) ;
 959                 $s .= $sep .$this->makeKnownLink( $wgLang->specialPage( 'Contributions' ),
 960                   wfMsg( 'mycontris' ), 'target=' . wfUrlencode($wgUser->getName() ) );
 961
 962                 }
 963                 // only show watchlist link if logged in
 964                 if ( wfMsg ( 'currentevents' ) != '-' ) $s .= $sep . $this->makeKnownLink( wfMsg( 'currentevents' ), '' ) ;
 965                 $s .= "\n<br /><hr class='sep' />";
 966                 $articleExists = $wgTitle->getArticleId();
 967                 if ( $wgOut->isArticle() || $action =='edit' || $action =='history' || $wpPreview) {
 968                         if($wgOut->isArticle()) {
 969                                 $s .= '<strong>' . $this->editThisPage() . '</strong>';
 970                         } else { # backlink to the article in edit or history mode
 971                                 if($articleExists){ # no backlink if no article
 972                                         switch($tns) {
 973                                                 case 0:
 974                                                 $text = wfMsg('articlepage');
 975                                                 break;
 976                                                 case 1:
 977                                                 $text = wfMsg('viewtalkpage');
 978                                                 break;
 979                                                 case 2:
 980                                                 $text = wfMsg('userpage');
 981                                                 break;
 982                                                 case 3:
 983                                                 $text = wfMsg('viewtalkpage');
 984                                                 break;
 985                                                 case 4:
 986                                                 $text = wfMsg('wikipediapage');
 987                                                 break;
 988                                                 case 5:
 989                                                 $text = wfMsg('viewtalkpage');
 990                                                 break;
 991                                                 case 6:
 992                                                 $text = wfMsg('imagepage');
 993                                                 break;
 994                                                 case 7:
 995                                                 $text = wfMsg('viewtalkpage');
 996                                                 break;
 997                                                 default:
 998                                                 $text= wfMsg('articlepage');
 999                                         }
1000
1001                                         $link = $wgTitle->getText();
1002                                         if ($nstext = $wgLang->getNsText($tns) ) { # add namespace if necessary
1003                                                 $link = $nstext . ':' . $link ;
1004                                         }
1005
1006                                         $s .= $this->makeLink( $link, $text );
1007                                 } elseif( $wgTitle->getNamespace() != Namespace::getSpecial() ) {
1008                                         # we just throw in a "New page" text to tell the user that he's in edit mode,
1009                                         # and to avoid messing with the separator that is prepended to the next item
1010                                         $s .= '<strong>' . wfMsg('newpage') . '</strong>';
1011                                 }
1012
1013                         }
1014
1015
1016                         if( $tns%2 && $action!='edit' && !$wpPreview) {
1017                                 $s.= '<br />'.$this->makeKnownLink($wgTitle->getPrefixedText(),wfMsg('postcomment'),'action=edit&section=new');
1018                         }
1019
1020                         /*
1021                         watching could cause problems in edit mode:
1022                         if user edits article, then loads "watch this article" in background and then saves
1023                         article with "Watch this article" checkbox disabled, the article is transparently
1024                         unwatched. Therefore we do not show the "Watch this page" link in edit mode
1025                         */
1026                         if ( 0 != $wgUser->getID() && $articleExists) {
1027                                 if($action!='edit' && $action != 'submit' )
1028                                 {
1029                                         $s .= $sep . $this->watchThisPage();
1030                                 }
1031                                 if ( $wgTitle->userCanEdit() )
1032                                         $s .= $sep . $this->moveThisPage();
1033                         }
1034                         if ( $wgUser->isSysop() and $articleExists ) {
1035                                 $s .= $sep . $this->deleteThisPage() .
1036                                 $sep . $this->protectThisPage();
1037                         }
1038                         $s .= $sep . $this->talkLink();
1039                         if ($articleExists && $action !='history') {
1040                                 $s .= $sep . $this->historyLink();
1041                         }
1042                         $s.=$sep . $this->whatLinksHere();
1043
1044                         if($wgOut->isArticleRelated()) {
1045                                 $s .= $sep . $this->watchPageLinksLink();
1046                         }
1047
1048                         if ( Namespace::getUser() == $wgTitle->getNamespace()
1049                         || $wgTitle->getNamespace() == Namespace::getTalk(Namespace::getUser())
1050                         ) {
1051
1052                                 $id=User::idFromName($wgTitle->getText());
1053                                 $ip=User::isIP($wgTitle->getText());
1054
1055                                 if($id||$ip) {
1056                                         $s .= $sep . $this->userContribsLink();
1057                                 }
1058                                 if ( 0 != $wgUser->getID() ) {
1059                                         if($id) { # can only email real users
1060                                                 $s .= $sep . $this->emailUserLink();
1061                                         }
1062                                 }
1063                         }
1064                         $s .= "\n<br /><hr class='sep' />";
1065                 }
1066
1067                 if ( 0 != $wgUser->getID() && ( !$wgDisableUploads || $wgRemoteUploads ) ) {
1068                         $s .= $this->specialLink( 'upload' ) . $sep;
1069                 }
1070                 $s .= $this->specialLink( 'specialpages' )
1071                   . $sep . $this->bugReportsLink();
1072
1073                 global $wgSiteSupportPage;
1074                 if( $wgSiteSupportPage ) {
1075                         $s .= "\n<br /><a href=\"" . htmlspecialchars( $wgSiteSupportPage ) .
1076                           '" class="internal">' . wfMsg( 'sitesupport' ) . '</a>';
1077                 }
1078
1079                 $s .= "\n<br /></div>\n";
1080                 wfProfileOut( $fname );
1081                 return $s;
1082         }
1083
1084         function specialPagesList()
1085         {
1086                 global $wgUser, $wgOut, $wgLang, $wgServer, $wgRedirectScript;
1087                 $a = array();
1088                 $pages = SpecialPage::getPages();
1089
1090                 foreach ( $pages[''] as $name => $page ) {
1091                         $a[$name] = $page->getDescription();
1092                 }
1093                 if ( $wgUser->isSysop() )
1094                 {
1095                         foreach ( $pages['sysop'] as $name => $page ) {
1096                                 $a[$name] = $page->getDescription();
1097                         }
1098                 }
1099                 if ( $wgUser->isDeveloper() )
1100                 {
1101                         foreach ( $pages['developer'] as $name => $page ) {
1102                                 $a[$name] = $page->getDescription() ;
1103                         }
1104                 }
1105                 $go = wfMsg( 'go' );
1106                 $sp = wfMsg( 'specialpages' );
1107                 $spp = $wgLang->specialPage( 'Specialpages' );
1108
1109                 $s = '<form id="specialpages" method="get" class="inline" ' .
1110                   'action="' . htmlspecialchars( "{$wgServer}{$wgRedirectScript}" ) . "\">\n";
1111                 $s .= "<select name=\"wpDropdown\">\n";
1112                 $s .= "<option value=\"{$spp}\">{$sp}</option>\n";
1113
1114                 foreach ( $a as $name => $desc ) {
1115                         $p = $wgLang->specialPage( $name );
1116                         $s .= "<option value=\"{$p}\">{$desc}</option>\n";
1117                 }
1118                 $s .= "</select>\n";
1119                 $s .= "<input type='submit' value=\"{$go}\" name='redirect' />\n";
1120                 $s .= "</form>\n";
1121                 return $s;
1122         }
1123
1124         function mainPageLink()
1125         {
1126                 $mp = wfMsg( 'mainpage' );
1127                 $s = $this->makeKnownLink( $mp, $mp );
1128                 return $s;
1129         }
1130
1131         function copyrightLink()
1132         {
1133                 $s = $this->makeKnownLink( wfMsg( 'copyrightpage' ),
1134                   wfMsg( 'copyrightpagename' ) );
1135                 return $s;
1136         }
1137
1138         function aboutLink()
1139         {
1140                 $s = $this->makeKnownLink( wfMsg( 'aboutpage' ),
1141                   wfMsg( 'aboutwikipedia' ) );
1142                 return $s;
1143         }
1144
1145
1146       function disclaimerLink()
1147         {
1148                 $s = $this->makeKnownLink( wfMsg( 'disclaimerpage' ),
1149                   wfMsg( 'disclaimers' ) );
1150                 return $s;
1151         }
1152
1153         function editThisPage()
1154         {
1155                 global $wgOut, $wgTitle, $wgRequest;
1156
1157                 $oldid = $wgRequest->getVal( 'oldid' );
1158                 $diff = $wgRequest->getVal( 'diff' );
1159                 $redirect = $wgRequest->getVal( 'redirect' );
1160
1161                 if ( ! $wgOut->isArticleRelated() ) {
1162                         $s = wfMsg( 'protectedpage' );
1163                 } else {
1164                         $n = $wgTitle->getPrefixedText();
1165                         if ( $wgTitle->userCanEdit() ) {
1166                                 $t = wfMsg( 'editthispage' );
1167                         } else {
1168                                 #$t = wfMsg( "protectedpage" );
1169                                 $t = wfMsg( 'viewsource' );
1170                         }
1171                         $oid = $red = '';
1172
1173                         if ( !is_null( $redirect ) ) { $red = "&redirect={$redirect}"; }
1174                         if ( $oldid && ! isset( $diff ) ) {
1175                                 $oid = "&oldid={$oldid}";
1176                         }
1177                         $s = $this->makeKnownLink( $n, $t, "action=edit{$oid}{$red}" );
1178                 }
1179                 return $s;
1180         }
1181
1182         function deleteThisPage()
1183         {
1184                 global $wgUser, $wgOut, $wgTitle, $wgRequest;
1185
1186                 $diff = $wgRequest->getVal( 'diff' );
1187                 if ( $wgTitle->getArticleId() && ( ! $diff ) && $wgUser->isSysop() ) {
1188                         $n = $wgTitle->getPrefixedText();
1189                         $t = wfMsg( 'deletethispage' );
1190
1191                         $s = $this->makeKnownLink( $n, $t, 'action=delete' );
1192                 } else {
1193                         $s = '';
1194                 }
1195                 return $s;
1196         }
1197
1198         function protectThisPage()
1199         {
1200                 global $wgUser, $wgOut, $wgTitle, $wgRequest;
1201
1202                 $diff = $wgRequest->getVal( 'diff' );
1203                 if ( $wgTitle->getArticleId() && ( ! $diff ) && $wgUser->isSysop() ) {
1204                         $n = $wgTitle->getPrefixedText();
1205
1206                         if ( $wgTitle->isProtected() ) {
1207                                 $t = wfMsg( 'unprotectthispage' );
1208                                 $q = 'action=unprotect';
1209                         } else {
1210                                 $t = wfMsg( 'protectthispage' );
1211                                 $q = 'action=protect';
1212                         }
1213                         $s = $this->makeKnownLink( $n, $t, $q );
1214                 } else {
1215                         $s = '';
1216                 }
1217                 return $s;
1218         }
1219
1220         function watchThisPage()
1221         {
1222                 global $wgUser, $wgOut, $wgTitle;
1223
1224                 if ( $wgOut->isArticleRelated() ) {
1225                         $n = $wgTitle->getPrefixedText();
1226
1227                         if ( $wgTitle->userIsWatching() ) {
1228                                 $t = wfMsg( 'unwatchthispage' );
1229                                 $q = 'action=unwatch';
1230                         } else {
1231                                 $t = wfMsg( 'watchthispage' );
1232                                 $q = 'action=watch';
1233                         }
1234                         $s = $this->makeKnownLink( $n, $t, $q );
1235                 } else {
1236                         $s = wfMsg( 'notanarticle' );
1237                 }
1238                 return $s;
1239         }
1240
1241         function moveThisPage()
1242         {
1243                 global $wgTitle, $wgLang;
1244
1245                 if ( $wgTitle->userCanEdit() ) {
1246                         $s = $this->makeKnownLink( $wgLang->specialPage( 'Movepage' ),
1247                           wfMsg( 'movethispage' ), 'target=' . $wgTitle->getPrefixedURL() );
1248                 } // no message if page is protected - would be redundant
1249                 return $s;
1250         }
1251
1252         function historyLink()
1253         {
1254                 global $wgTitle;
1255
1256                 $s = $this->makeKnownLink( $wgTitle->getPrefixedText(),
1257                   wfMsg( 'history' ), 'action=history' );
1258                 return $s;
1259         }
1260
1261         function whatLinksHere()
1262         {
1263                 global $wgTitle, $wgLang;
1264
1265                 $s = $this->makeKnownLink( $wgLang->specialPage( 'Whatlinkshere' ),
1266                   wfMsg( 'whatlinkshere' ), 'target=' . $wgTitle->getPrefixedURL() );
1267                 return $s;
1268         }
1269
1270         function userContribsLink()
1271         {
1272                 global $wgTitle, $wgLang;
1273
1274                 $s = $this->makeKnownLink( $wgLang->specialPage( 'Contributions' ),
1275                   wfMsg( 'contributions' ), 'target=' . $wgTitle->getPartialURL() );
1276                 return $s;
1277         }
1278
1279         function emailUserLink()
1280         {
1281                 global $wgTitle, $wgLang;
1282
1283                 $s = $this->makeKnownLink( $wgLang->specialPage( 'Emailuser' ),
1284                   wfMsg( 'emailuser' ), 'target=' . $wgTitle->getPartialURL() );
1285                 return $s;
1286         }
1287
1288         function watchPageLinksLink()
1289         {
1290                 global $wgOut, $wgTitle, $wgLang;
1291
1292                 if ( ! $wgOut->isArticleRelated() ) {
1293                         $s = '(' . wfMsg( 'notanarticle' ) . ')';
1294                 } else {
1295                         $s = $this->makeKnownLink( $wgLang->specialPage(
1296                           'Recentchangeslinked' ), wfMsg( 'recentchangeslinked' ),
1297                           'target=' . $wgTitle->getPrefixedURL() );
1298                 }
1299                 return $s;
1300         }
1301
1302         function otherLanguages()
1303         {
1304                 global $wgOut, $wgLang, $wgTitle, $wgUseNewInterlanguage;
1305
1306                 $a = $wgOut->getLanguageLinks();
1307                 if ( 0 == count( $a ) ) {
1308                         if ( !$wgUseNewInterlanguage ) return '';
1309                         $ns = $wgLang->getNsIndex ( $wgTitle->getNamespace () ) ;
1310                         if ( $ns != 0 AND $ns != 1 ) return '' ;
1311                         $pn = 'Intl' ;
1312                         $x = 'mode=addlink&xt='.$wgTitle->getDBkey() ;
1313                         return $this->makeKnownLink( $wgLang->specialPage( $pn ),
1314                                   wfMsg( 'intl' ) , $x );
1315                         }
1316
1317                 if ( !$wgUseNewInterlanguage ) {
1318                         $s = wfMsg( 'otherlanguages' ) . ': ';
1319                 } else {
1320                         global $wgLanguageCode ;
1321                         $x = 'mode=zoom&xt='.$wgTitle->getDBkey() ;
1322                         $x .= '&xl='.$wgLanguageCode ;
1323                         $s =  $this->makeKnownLink( $wgLang->specialPage( 'Intl' ),
1324                                   wfMsg( 'otherlanguages' ) , $x ) . ': ' ;
1325                         }
1326
1327                 $s = wfMsg( 'otherlanguages' ) . ': ';
1328                 $first = true;
1329                 if($wgLang->isRTL()) $s .= '<span dir="LTR">';
1330                 foreach( $a as $l ) {
1331                         if ( ! $first ) { $s .= ' | '; }
1332                         $first = false;
1333
1334                         $nt = Title::newFromText( $l );
1335                         $url = $nt->getFullURL();
1336                         $text = $wgLang->getLanguageName( $nt->getInterwiki() );
1337
1338                         if ( '' == $text ) { $text = $l; }
1339                         $style = $this->getExternalLinkAttributes( $l, $text );
1340                         $s .= "<a href=\"{$url}\"{$style}>{$text}</a>";
1341                 }
1342                 if($wgLang->isRTL()) $s .= '</span>';
1343                 return $s;
1344         }
1345
1346         function bugReportsLink()
1347         {
1348                 $s = $this->makeKnownLink( wfMsg( 'bugreportspage' ),
1349                   wfMsg( 'bugreports' ) );
1350                 return $s;
1351         }
1352
1353         function dateLink()
1354         {
1355                 global $wgLinkCache;
1356                 $t1 = Title::newFromText( gmdate( 'F j' ) );
1357                 $t2 = Title::newFromText( gmdate( 'Y' ) );
1358
1359                 $wgLinkCache->suspend();
1360                 $id = $t1->getArticleID();
1361                 $wgLinkCache->resume();
1362
1363                 if ( 0 == $id ) {
1364                         $s = $this->makeBrokenLink( $t1->getText() );
1365                 } else {
1366                         $s = $this->makeKnownLink( $t1->getText() );
1367                 }
1368                 $s .= ', ';
1369
1370                 $wgLinkCache->suspend();
1371                 $id = $t2->getArticleID();
1372                 $wgLinkCache->resume();
1373
1374                 if ( 0 == $id ) {
1375                         $s .= $this->makeBrokenLink( $t2->getText() );
1376                 } else {
1377                         $s .= $this->makeKnownLink( $t2->getText() );
1378                 }
1379                 return $s;
1380         }
1381
1382         function talkLink()
1383         {
1384                 global $wgLang, $wgTitle, $wgLinkCache;
1385
1386                 $tns = $wgTitle->getNamespace();
1387                 if ( -1 == $tns ) { return ''; }
1388
1389                 $pn = $wgTitle->getText();
1390                 $tp = wfMsg( 'talkpage' );
1391                 if ( Namespace::isTalk( $tns ) ) {
1392                         $lns = Namespace::getSubject( $tns );
1393                         switch($tns) {
1394                                 case 1:
1395                                 $text = wfMsg('articlepage');
1396                                 break;
1397                                 case 3:
1398                                 $text = wfMsg('userpage');
1399                                 break;
1400                                 case 5:
1401                                 $text = wfMsg('wikipediapage');
1402                                 break;
1403                                 case 7:
1404                                 $text = wfMsg('imagepage');
1405                                 break;
1406                                 default:
1407                                 $text= wfMsg('articlepage');
1408                         }
1409                 } else {
1410
1411                         $lns = Namespace::getTalk( $tns );
1412                         $text=$tp;
1413                 }
1414                 $n = $wgLang->getNsText( $lns );
1415                 if ( '' == $n ) { $link = $pn; }
1416                 else { $link = $n.':'.$pn; }
1417
1418                 $wgLinkCache->suspend();
1419                 $s = $this->makeLink( $link, $text );
1420                 $wgLinkCache->resume();
1421
1422                 return $s;
1423         }
1424
1425         function commentLink()
1426         {
1427                 global $wgLang, $wgTitle, $wgLinkCache;
1428
1429                 $tns = $wgTitle->getNamespace();
1430                 if ( -1 == $tns ) { return ''; }
1431
1432                 $lns = ( Namespace::isTalk( $tns ) ) ? $tns : Namespace::getTalk( $tns );
1433
1434                 # assert Namespace::isTalk( $lns )
1435
1436                 $n = $wgLang->getNsText( $lns );
1437                 $pn = $wgTitle->getText();
1438
1439                 $link = $n.':'.$pn;
1440
1441                 $wgLinkCache->suspend();
1442                 $s = $this->makeKnownLink($link, wfMsg('postcomment'), 'action=edit&section=new');
1443                 $wgLinkCache->resume();
1444
1445                 return $s;
1446         }
1447
1448         # After all the page content is transformed into HTML, it makes
1449         # a final pass through here for things like table backgrounds.
1450         #
1451         function transformContent( $text )
1452         {
1453                 return $text;
1454         }
1455
1456         # Note: This function MUST call getArticleID() on the link,
1457         # otherwise the cache won't get updated properly.  See LINKCACHE.DOC.
1458         #
1459         function makeLink( $title, $text = '', $query = '', $trail = '' ) {
1460                 wfProfileIn( 'Skin::makeLink' );
1461                 $nt = Title::newFromText( $title );
1462                 if ($nt) {
1463                         $result = $this->makeLinkObj( Title::newFromText( $title ), $text, $query, $trail );
1464                 } else {
1465                         wfDebug( 'Invalid title passed to Skin::makeLink(): "'.$title."\"\n" );
1466                         $result = $text == "" ? $title : $text;
1467                 }
1468
1469                 wfProfileOut( 'Skin::makeLink' );
1470                 return $result;
1471         }
1472
1473         function makeKnownLink( $title, $text = '', $query = '', $trail = '', $prefix = '',$aprops = '') {
1474                 $nt = Title::newFromText( $title );
1475                 if ($nt) {
1476                         return $this->makeKnownLinkObj( Title::newFromText( $title ), $text, $query, $trail, $prefix , $aprops );
1477                 } else {
1478                         wfDebug( 'Invalid title passed to Skin::makeKnownLink(): "'.$title."\"\n" );
1479                         return $text == '' ? $title : $text;
1480                 }
1481         }
1482
1483         function makeBrokenLink( $title, $text = '', $query = '', $trail = '' ) {
1484                 $nt = Title::newFromText( $title );
1485                 if ($nt) {
1486                         return $this->makeBrokenLinkObj( Title::newFromText( $title ), $text, $query, $trail );
1487                 } else {
1488                         wfDebug( 'Invalid title passed to Skin::makeBrokenLink(): "'.$title."\"\n" );
1489                         return $text == '' ? $title : $text;
1490                 }
1491         }
1492
1493         function makeStubLink( $title, $text = '', $query = '', $trail = '' ) {
1494                 $nt = Title::newFromText( $title );
1495                 if ($nt) {
1496                         return $this->makeStubLinkObj( Title::newFromText( $title ), $text, $query, $trail );
1497                 } else {
1498                         wfDebug( 'Invalid title passed to Skin::makeStubLink(): "'.$title."\"\n" );
1499                         return $text == '' ? $title : $text;
1500                 }
1501         }
1502
1503         # Pass a title object, not a title string
1504         function makeLinkObj( &$nt, $text= '', $query = '', $trail = '', $prefix = '' )
1505         {
1506                 global $wgOut, $wgUser;
1507                 if ( $nt->isExternal() ) {
1508                         $u = $nt->getFullURL();
1509                         $link = $nt->getPrefixedURL();
1510                         if ( '' == $text ) { $text = $nt->getPrefixedText(); }
1511                         $style = $this->getExternalLinkAttributes( $link, $text, 'extiw' );
1512
1513                         $inside = '';
1514                         if ( '' != $trail ) {
1515                                 if ( preg_match( '/^([a-z]+)(.*)$$/sD', $trail, $m ) ) {
1516                                         $inside = $m[1];
1517                                         $trail = $m[2];
1518                                 }
1519                         }
1520                         $retVal = "<a href=\"{$u}\"{$style}>{$text}{$inside}</a>{$trail}";
1521                 } elseif ( 0 == $nt->getNamespace() && "" == $nt->getText() ) {
1522                         $retVal = $this->makeKnownLinkObj( $nt, $text, $query, $trail, $prefix );
1523                 } elseif ( ( -1 == $nt->getNamespace() ) ||
1524                                 ( Namespace::getImage() == $nt->getNamespace() ) ) {
1525                         $retVal = $this->makeKnownLinkObj( $nt, $text, $query, $trail, $prefix );
1526                 } else {
1527                         $aid = $nt->getArticleID() ;
1528                         if ( 0 == $aid ) {
1529                                 $retVal = $this->makeBrokenLinkObj( $nt, $text, $query, $trail, $prefix );
1530                         } else {
1531                                 $threshold = $wgUser->getOption('stubthreshold') ;
1532                                 if ( $threshold > 0 ) {
1533                                         $res = wfQuery ( "SELECT LENGTH(cur_text) AS x, cur_namespace, cur_is_redirect FROM cur WHERE cur_id='{$aid}'", DB_READ ) ;
1534
1535                                         if ( wfNumRows( $res ) > 0 ) {
1536                                                 $s = wfFetchObject( $res );
1537                                                 $size = $s->x;
1538                                                 if ( $s->cur_is_redirect OR $s->cur_namespace != 0 ) {
1539                                                         $size = $threshold*2 ; # Really big
1540                                                 }
1541                                                 wfFreeResult( $res );
1542                                         } else {
1543                                                 $size = $threshold*2 ; # Really big
1544                                         }
1545                                 } else {
1546                                         $size = 1 ;
1547                                 }
1548                                 if ( $size < $threshold ) {
1549                                         $retVal = $this->makeStubLinkObj( $nt, $text, $query, $trail, $prefix );
1550                                 } else {
1551                                         $retVal = $this->makeKnownLinkObj( $nt, $text, $query, $trail, $prefix );
1552                                 }
1553                         }
1554                 }
1555                 return $retVal;
1556         }
1557
1558         # Pass a title object, not a title string
1559         function makeKnownLinkObj( &$nt, $text = '', $query = '', $trail = '', $prefix = '' , $aprops = '')
1560         {
1561                 global $wgOut, $wgTitle, $wgInputEncoding;
1562
1563                 $fname = 'Skin::makeKnownLinkObj';
1564                 wfProfileIn( $fname );
1565
1566                 $link = $nt->getPrefixedURL();
1567
1568                 if ( '' == $link ) {
1569                         $u = '';
1570                         if ( '' == $text ) {
1571                                 $text = htmlspecialchars( $nt->getFragment() );
1572                         }
1573                 } else {
1574                         $u = $nt->escapeLocalURL( $query );
1575                 }
1576                 if ( '' != $nt->getFragment() ) {
1577                         $anchor = urlencode( do_html_entity_decode( str_replace(' ', '_', $nt->getFragment()), ENT_COMPAT, $wgInputEncoding ) );
1578                         $replacearray = array(
1579                                 '%3A' => ':',
1580                                 '%' => '.'
1581                         );
1582                         $u .= '#' . str_replace(array_keys($replacearray),array_values($replacearray),$anchor);
1583                 }
1584                 if ( '' == $text ) {
1585                         $text = htmlspecialchars( $nt->getPrefixedText() );
1586                 }
1587                 $style = $this->getInternalLinkAttributesObj( $nt, $text );
1588
1589                 $inside = '';
1590                 if ( '' != $trail ) {
1591                         if ( preg_match( $this->linktrail, $trail, $m ) ) {
1592                                 $inside = $m[1];
1593                                 $trail = $m[2];
1594                         }
1595                 }
1596                 $r = "<a href=\"{$u}\"{$style}{$aprops}>{$prefix}{$text}{$inside}</a>{$trail}";
1597                 wfProfileOut( $fname );
1598                 return $r;
1599         }
1600
1601         # Pass a title object, not a title string
1602         function makeBrokenLinkObj( &$nt, $text = '', $query = '', $trail = '', $prefix = '' )
1603         {
1604                 global $wgOut, $wgUser;
1605
1606                 $fname = 'Skin::makeBrokenLinkObj';
1607                 wfProfileIn( $fname );
1608
1609                 if ( '' == $query ) {
1610                         $q = 'action=edit';
1611                 } else {
1612                         $q = 'action=edit&'.$query;
1613                 }
1614                 $u = $nt->escapeLocalURL( $q );
1615
1616                 if ( '' == $text ) {
1617                         $text = htmlspecialchars( $nt->getPrefixedText() );
1618                 }
1619                 $style = $this->getInternalLinkAttributesObj( $nt, $text, "yes" );
1620
1621                 $inside = '';
1622                 if ( '' != $trail ) {
1623                         if ( preg_match( $this->linktrail, $trail, $m ) ) {
1624                                 $inside = $m[1];
1625                                 $trail = $m[2];
1626                         }
1627                 }
1628                 if ( $wgUser->getOption( 'highlightbroken' ) ) {
1629                         $s = "<a href=\"{$u}\"{$style}>{$prefix}{$text}{$inside}</a>{$trail}";
1630                 } else {
1631                         $s = "{$prefix}{$text}{$inside}<a href=\"{$u}\"{$style}>?</a>{$trail}";
1632                 }
1633
1634                 wfProfileOut( $fname );
1635                 return $s;
1636         }
1637
1638         # Pass a title object, not a title string
1639         function makeStubLinkObj( &$nt, $text = '', $query = '', $trail = '', $prefix = '' )
1640         {
1641                 global $wgOut, $wgUser;
1642
1643                 $link = $nt->getPrefixedURL();
1644
1645                 $u = $nt->escapeLocalURL( $query );
1646
1647                 if ( '' == $text ) {
1648                         $text = htmlspecialchars( $nt->getPrefixedText() );
1649                 }
1650                 $style = $this->getInternalLinkAttributesObj( $nt, $text, 'stub' );
1651
1652                 $inside = '';
1653                 if ( '' != $trail ) {
1654                         if ( preg_match( $this->linktrail, $trail, $m ) ) {
1655                                 $inside = $m[1];
1656                                 $trail = $m[2];
1657                         }
1658                 }
1659                 if ( $wgUser->getOption( 'highlightbroken' ) ) {
1660                         $s = "<a href=\"{$u}\"{$style}>{$prefix}{$text}{$inside}</a>{$trail}";
1661                 } else {
1662                         $s = "{$prefix}{$text}{$inside}<a href=\"{$u}\"{$style}>!</a>{$trail}";
1663                 }
1664                 return $s;
1665         }
1666
1667         function makeSelfLinkObj( &$nt, $text = '', $query = '', $trail = '', $prefix = '' )
1668         {
1669                 $u = $nt->escapeLocalURL( $query );
1670                 if ( '' == $text ) {
1671                         $text = htmlspecialchars( $nt->getPrefixedText() );
1672                 }
1673                 $inside = '';
1674                 if ( '' != $trail ) {
1675                         if ( preg_match( $this->linktrail, $trail, $m ) ) {
1676                                 $inside = $m[1];
1677                                 $trail = $m[2];
1678                         }
1679                 }
1680                 return "<strong>{$prefix}{$text}{$inside}</strong>{$trail}";
1681         }
1682
1683         /* these are used extensively in SkinPHPTal, but also some other places */
1684         /*static*/ function makeSpecialUrl( $name, $urlaction='' ) {
1685                 $title = Title::makeTitle( NS_SPECIAL, $name );
1686                 $this->checkTitle($title, $name);
1687                 return $title->getLocalURL( $urlaction );
1688         }
1689         /*static*/ function makeTalkUrl ( $name, $urlaction='' ) {
1690                 $title = Title::newFromText( $name );
1691                 $title = $title->getTalkPage();
1692                 $this->checkTitle($title, $name);
1693                 return $title->getLocalURL( $urlaction );
1694         }
1695         /*static*/ function makeArticleUrl ( $name, $urlaction='' ) {
1696                 $title = Title::newFromText( $name );
1697                 $title= $title->getSubjectPage();
1698                 $this->checkTitle($title, $name);
1699                 return $title->getLocalURL( $urlaction );
1700         }
1701         /*static*/ function makeI18nUrl ( $name, $urlaction='' ) {
1702                 $title = Title::newFromText( wfMsg($name) );
1703                 $this->checkTitle($title, $name);
1704                 return $title->getLocalURL( $urlaction );
1705         }
1706         /*static*/ function makeUrl ( $name, $urlaction='' ) {
1707                 $title = Title::newFromText( $name );
1708                 $this->checkTitle($title, $name);
1709                 return $title->getLocalURL( $urlaction );
1710         }
1711         # this can be passed the NS number as defined in Language.php
1712         /*static*/ function makeNSUrl( $name, $urlaction='', $namespace=0 ) {
1713                 $title = Title::makeTitle( $namespace, $name );
1714                 $this->checkTitle($title, $name);
1715                 return $title->getLocalURL( $urlaction );
1716         }
1717
1718         /* these return an array with the 'href' and boolean 'exists' */
1719         /*static*/ function makeUrlDetails ( $name, $urlaction='' ) {
1720                 $title = Title::newFromText( $name );
1721                 $this->checkTitle($title, $name);
1722                 return array(
1723                         'href' => $title->getLocalURL( $urlaction ),
1724                         'exists' => $title->getArticleID() != 0?true:false
1725                 );
1726         }
1727         /*static*/ function makeTalkUrlDetails ( $name, $urlaction='' ) {
1728                 $title = Title::newFromText( $name );
1729                 $title = $title->getTalkPage();
1730                 $this->checkTitle($title, $name);
1731                 return array(
1732                         'href' => $title->getLocalURL( $urlaction ),
1733                         'exists' => $title->getArticleID() != 0?true:false
1734                 );
1735         }
1736         /*static*/ function makeArticleUrlDetails ( $name, $urlaction='' ) {
1737                 $title = Title::newFromText( $name );
1738                 $title= $title->getSubjectPage();
1739                 $this->checkTitle($title, $name);
1740                 return array(
1741                         'href' => $title->getLocalURL( $urlaction ),
1742                         'exists' => $title->getArticleID() != 0?true:false
1743                 );
1744         }
1745         /*static*/ function makeI18nUrlDetails ( $name, $urlaction='' ) {
1746                 $title = Title::newFromText( wfMsg($name) );
1747                 $this->checkTitle($title, $name);
1748                 return array(
1749                         'href' => $title->getLocalURL( $urlaction ),
1750                         'exists' => $title->getArticleID() != 0?true:false
1751                 );
1752         }
1753
1754         # make sure we have some title to operate on
1755         /*static*/ function checkTitle ( &$title, &$name ) {
1756                 if(!is_object($title)) {
1757                         $title = Title::newFromText( $name );
1758                         if(!is_object($title)) {
1759                                 $title = Title::newFromText( '<error: link target missing>' );
1760                         }
1761                 }
1762         }
1763
1764         function fnamePart( $url )
1765         {
1766                 $basename = strrchr( $url, '/' );
1767                 if ( false === $basename ) { $basename = $url; }
1768                 else { $basename = substr( $basename, 1 ); }
1769                 return wfEscapeHTML( $basename );
1770         }
1771
1772         function makeImage( $url, $alt = '' )
1773         {
1774                 global $wgOut;
1775
1776                 if ( '' == $alt ) { $alt = $this->fnamePart( $url ); }
1777                 $s = '<img src="'.$url.'" alt="'.$alt.'" />';
1778                 return $s;
1779         }
1780
1781         function makeImageLink( $name, $url, $alt = '' ) {
1782                 $nt = Title::makeTitle( Namespace::getImage(), $name );
1783                 return $this->makeImageLinkObj( $nt, $alt );
1784         }
1785
1786         function makeImageLinkObj( $nt, $alt = '' ) {
1787                 global $wgLang, $wgUseImageResize;
1788                 $img   = Image::newFromTitle( $nt );
1789                 $url   = $img->getURL();
1790
1791                 $align = '';
1792                 $prefix = $postfix = '';
1793
1794                 if ( $wgUseImageResize ) {
1795                         # Check if the alt text is of the form "options|alt text"
1796                         # Options are:
1797                         #  * thumbnail          make a thumbnail with enlarge-icon and caption, alignment depends on lang
1798                         #  * left               no resizing, just left align. label is used for alt= only
1799                         #  * right              same, but right aligned
1800                         #  * none               same, but not aligned
1801                         #  * ___px              scale to ___ pixels width, no aligning. e.g. use in taxobox
1802                         #  * center             center the image
1803                         #  * framed             Keep original image size, no magnify-button.
1804
1805                         $part = explode( '|', $alt);
1806
1807                         $mwThumb  =& MagicWord::get( MAG_IMG_THUMBNAIL );
1808                         $mwLeft   =& MagicWord::get( MAG_IMG_LEFT );
1809                         $mwRight  =& MagicWord::get( MAG_IMG_RIGHT );
1810                         $mwNone   =& MagicWord::get( MAG_IMG_NONE );
1811                         $mwWidth  =& MagicWord::get( MAG_IMG_WIDTH );
1812                         $mwCenter =& MagicWord::get( MAG_IMG_CENTER );
1813                         $mwFramed =& MagicWord::get( MAG_IMG_FRAMED );
1814                         $alt = $part[count($part)-1];
1815
1816                         $height = $framed = $thumb = false;
1817
1818                         foreach( $part as $key => $val ) {
1819                                 if ( ! is_null( $mwThumb->matchVariableStartToEnd($val) ) ) {
1820                                         $thumb=true;
1821                                 } elseif ( ! is_null( $mwRight->matchVariableStartToEnd($val) ) ) {
1822                                         # remember to set an alignment, don't render immediately
1823                                         $align = 'right';
1824                                 } elseif ( ! is_null( $mwLeft->matchVariableStartToEnd($val) ) ) {
1825                                         # remember to set an alignment, don't render immediately
1826                                         $align = 'left';
1827                                 } elseif ( ! is_null( $mwCenter->matchVariableStartToEnd($val) ) ) {
1828                                         # remember to set an alignment, don't render immediately
1829                                         $align = 'center';
1830                                 } elseif ( ! is_null( $mwNone->matchVariableStartToEnd($val) ) ) {
1831                                         # remember to set an alignment, don't render immediately
1832                                         $align = 'none';
1833                                 } elseif ( ! is_null( $match = $mwWidth->matchVariableStartToEnd($val) ) ) {
1834                                         # $match is the image width in pixels
1835                                         if ( preg_match( '/^([0-9]*)x([0-9]*)$/', $match, $m ) ) {
1836                                                 $width = intval( $m[1] );
1837                                                 $height = intval( $m[2] );
1838                                         } else {
1839                                                 $width = intval($match);
1840                                         }
1841                                 } elseif ( ! is_null( $mwFramed->matchVariableStartToEnd($val) ) ) {
1842                                         $framed=true;
1843                                 }
1844                         }
1845                         if ( 'center' == $align )
1846                         {
1847                                 $prefix  = '<span style="text-align: center">';
1848                                 $postfix = '</span>';
1849                                 $align   = 'none';
1850                         }
1851
1852                         if ( $thumb || $framed ) {
1853
1854                                 # Create a thumbnail. Alignment depends on language
1855                                 # writing direction, # right aligned for left-to-right-
1856                                 # languages ("Western languages"), left-aligned
1857                                 # for right-to-left-languages ("Semitic languages")
1858                                 #
1859                                 # If  thumbnail width has not been provided, it is set
1860                                 # here to 180 pixels
1861                                 if ( $align == '' ) {
1862                                         $align = $wgLang->isRTL() ? 'left' : 'right';
1863                                 }
1864                                 if ( ! isset($width) ) {
1865                                         $width = 180;
1866                                 }
1867                                 return $prefix.$this->makeThumbLinkObj( $img, $alt, $align, $width, $height, $framed ).$postfix;
1868
1869                         } elseif ( isset($width) ) {
1870
1871                                 # Create a resized image, without the additional thumbnail
1872                                 # features
1873
1874                                 if (    ( ! $height === false )
1875                                      && ( $img->getHeight() * $width / $img->getWidth() > $height ) ) {
1876                                         print "height=$height<br>\nimg->getHeight() = ".$img->getHeight()."<br>\n";
1877                                         print 'rescaling by factor '. $height / $img->getHeight() . "<br>\n";
1878                                         $width = $img->getWidth() * $height / $img->getHeight();
1879                                 }
1880                                 $url = $img->createThumb( $width );
1881                         }
1882                 } # endif $wgUseImageResize
1883
1884                 if ( empty( $alt ) ) {
1885                         $alt = preg_replace( '/\.(.+?)^/', '', $img->getName() );
1886                 }
1887                 $alt = htmlspecialchars( $alt );
1888
1889                 $u = $nt->escapeLocalURL();
1890                 if ( $url == '' )
1891                 {
1892                         $s = str_replace( "$1", $img->getName(), wfMsg('missingimage') );
1893                         $s .= "<br>{$alt}<br>{$url}<br>\n";
1894                 } else {
1895                         $s = '<a href="'.$u.'" class="image" title="'.$alt.'">' .
1896                                  '<img src="'.$url.'" alt="'.$alt.'" /></a>';
1897                 }
1898                 if ( '' != $align ) {
1899                         $s = "<div class=\"float{$align}\"><span>{$s}</span></div>";
1900                 }
1901                 return str_replace("\n", ' ',$prefix.$s.$postfix);
1902         }
1903
1904
1905         function makeThumbLinkObj( $img, $label = '', $align = 'right', $boxwidth = 180, $boxheight=false, $framed=false ) {
1906                 global $wgStylePath, $wgLang;
1907                 # $image = Title::makeTitle( Namespace::getImage(), $name );
1908                 $url  = $img->getURL();
1909
1910                 #$label = htmlspecialchars( $label );
1911                 $alt = preg_replace( '/<[^>]*>/', '', $label);
1912                 $alt = htmlspecialchars( $alt );
1913
1914                 if ( $img->exists() )
1915                 {
1916                         $width  = $img->getWidth();
1917                         $height = $img->getHeight();
1918                 } else {
1919                         $width = $height = 200;
1920                 }
1921                 if ( $framed )
1922                 {
1923                         // Use image dimensions, don't scale
1924                         $boxwidth  = $width;
1925                         $oboxwidth = $boxwidth + 2;
1926                         $boxheight = $height;
1927                         $thumbUrl  = $url;
1928                 } else {
1929                         $h  = intval( $height/($width/$boxwidth) );
1930                         $oboxwidth = $boxwidth + 2;
1931                         if ( ( ! $boxheight === false ) &&  ( $h > $boxheight ) )
1932                         {
1933                                 $boxwidth *= $boxheight/$h;
1934                         } else {
1935                                 $boxheight = $h;
1936                         }
1937                         $thumbUrl = $img->createThumb( $boxwidth );
1938                 }
1939
1940                 $u = $img->getEscapeLocalURL();
1941
1942                 $more = htmlspecialchars( wfMsg( 'thumbnail-more' ) );
1943                 $magnifyalign = $wgLang->isRTL() ? 'left' : 'right';
1944                 $textalign = $wgLang->isRTL() ? ' style="text-align:right"' : '';
1945
1946                 $s = "<div class=\"thumb t{$align}\"><div style=\"width:{$oboxwidth}px;\">";
1947                 if ( $thumbUrl == '' ) {
1948                         $s .= str_replace( "$1", $img->getName(), wfMsg('missingimage') );
1949                         $zoomicon = '';
1950                 } else {
1951                         $s .= '<a href="'.$u.'" class="internal" title="'.$alt.'">'.
1952                                 '<img src="'.$thumbUrl.'" alt="'.$alt.'" ' .
1953                                 'width="'.$boxwidth.'" height="'.$boxheight.'" /></a>';
1954                         if ( $framed ) {
1955                                 $zoomicon="";
1956                         } else {
1957                                 $zoomicon =  '<div class="magnify" style="float:'.$magnifyalign.'">'.
1958                                         '<a href="'.$u.'" class="internal" title="'.$more.'">'.
1959                                         '<img src="'.$wgStylePath.'/images/magnify-clip.png" ' .
1960                                         'width="15" height="11" alt="'.$more.'" /></a></div>';
1961                         }
1962                 }
1963                 $s .= '  <div class="thumbcaption" '.$textalign.'>'.$zoomicon.$label."</div></div></div>";
1964                 return str_replace("\n", ' ', $s);
1965         }
1966
1967         function makeMediaLink( $name, $url, $alt = "" ) {
1968                 $nt = Title::makeTitle( Namespace::getMedia(), $name );
1969                 return $this->makeMediaLinkObj( $nt, $alt );
1970         }
1971
1972         function makeMediaLinkObj( $nt, $alt = "" )
1973         {
1974                 if ( ! isset( $nt ) )
1975                 {
1976                         ### HOTFIX. Instead of breaking, return empry string.
1977                         $s = $alt;
1978                 } else {
1979                         $name = $nt->getDBKey();
1980                         $url = Image::wfImageUrl( $name );
1981                         if ( empty( $alt ) ) {
1982                                 $alt = preg_replace( '/\.(.+?)^/', '', $name );
1983                         }
1984
1985                         $u = htmlspecialchars( $url );
1986                         $s = "<a href=\"{$u}\" class='internal' title=\"{$alt}\">{$alt}</a>";
1987                 }
1988                 return $s;
1989         }
1990
1991         function specialLink( $name, $key = "" )
1992         {
1993                 global $wgLang;
1994
1995                 if ( '' == $key ) { $key = strtolower( $name ); }
1996                 $pn = $wgLang->ucfirst( $name );
1997                 return $this->makeKnownLink( $wgLang->specialPage( $pn ),
1998                   wfMsg( $key ) );
1999         }
2000
2001         function makeExternalLink( $url, $text, $escape = true ) {
2002                 $style = $this->getExternalLinkAttributes( $url, $text );
2003                 $url = htmlspecialchars( $url );
2004                 if( $escape ) {
2005                         $text = htmlspecialchars( $text );
2006                 }
2007                 return '<a href="'.$url.'"'.$style.'>'.$text.'</a>';
2008         }
2009
2010         # Called by history lists and recent changes
2011         #
2012
2013         # Returns text for the start of the tabular part of RC
2014         function beginRecentChangesList()
2015         {
2016                 $this->rc_cache = array() ;
2017                 $this->rcMoveIndex = 0;
2018                 $this->rcCacheIndex = 0 ;
2019                 $this->lastdate = '';
2020                 $this->rclistOpen = false;
2021                 return '';
2022         }
2023
2024         function beginImageHistoryList()
2025         {
2026                 $s = "\n<h2>" . wfMsg( 'imghistory' ) . "</h2>\n" .
2027                   "<p>" . wfMsg( 'imghistlegend' ) . "</p>\n".'<ul class="special">';
2028                 return $s;
2029         }
2030
2031         # Returns text for the end of RC
2032         # If enhanced RC is in use, returns pretty much all the text
2033         function endRecentChangesList()
2034         {
2035                 $s = $this->recentChangesBlock() ;
2036                 if( $this->rclistOpen ) {
2037                         $s .= "</ul>\n";
2038                 }
2039                 return $s;
2040         }
2041
2042         # Enhanced RC ungrouped line
2043         function recentChangesBlockLine ( $rcObj )
2044         {
2045                 global $wgStylePath, $wgLang ;
2046
2047                 # Get rc_xxxx variables
2048                 extract( $rcObj->mAttribs ) ;
2049                 $curIdEq = 'curid='.$rc_cur_id;
2050
2051                 # Spacer image
2052                 $r = '' ;
2053
2054                 $r .= '<img src="'.$wgStylePath.'/images/Arr_.png" width="12" height="12" border="0" />' ;
2055                 $r .= '<tt>' ;
2056
2057                 if ( $rc_type == RC_MOVE ) {
2058                         $r .= '&nbsp;&nbsp;';
2059                 } else {
2060                         # M & N (minor & new)
2061                         $M = wfMsg( 'minoreditletter' );
2062                         $N = wfMsg( 'newpageletter' );
2063
2064                         if ( $rc_type == RC_NEW ) {
2065                                 $r .= $N ;
2066                         } else {
2067                                 $r .= '&nbsp;' ;
2068                         }
2069                         if ( $rc_minor ) {
2070                                 $r .= $M ;
2071                         } else {
2072                                 $r .= '&nbsp;' ;
2073                         }
2074                 }
2075
2076                 # Timestamp
2077                 $r .= ' '.$rcObj->timestamp.' ' ;
2078                 $r .= '</tt>' ;
2079
2080                 # Article link
2081                 $link = $rcObj->link ;
2082                 if ( $rcObj->watched ) $link = '<strong>'.$link.'</strong>' ;
2083                 $r .= $link ;
2084
2085                 # Cur
2086                 $r .= ' (' ;
2087                 $r .= $rcObj->curlink ;
2088                 $r .= '; ' ;
2089
2090                 # Hist
2091                 $r .= $this->makeKnownLinkObj( $rcObj->getTitle(), wfMsg( 'hist' ), $curIdEq.'&action=history' );
2092
2093                 # User/talk
2094                 $r .= ') . . '.$rcObj->userlink ;
2095                 $r .= $rcObj->usertalklink ;
2096
2097                 # Comment
2098                 if ( $rc_comment != '' && $rc_type != RC_MOVE ) {
2099                         $rc_comment=$this->formatComment($rc_comment);
2100                         $r .= $wgLang->emphasize( ' ('.$rc_comment.')' );
2101                 }
2102
2103                 $r .= "<br />\n" ;
2104                 return $r ;
2105         }
2106
2107         # Enhanced RC group
2108         function recentChangesBlockGroup ( $block )
2109         {
2110                 global $wgStylePath, $wgLang ;
2111
2112                 $r = '' ;
2113                 $M = wfMsg( 'minoreditletter' );
2114                 $N = wfMsg( 'newpageletter' );
2115
2116                 # Collate list of users
2117                 $isnew = false ;
2118                 $userlinks = array () ;
2119                 foreach ( $block AS $rcObj ) {
2120                         $oldid = $rcObj->mAttribs['rc_last_oldid'];
2121                         if ( $rcObj->mAttribs['rc_new'] ) $isnew = true ;
2122                         $u = $rcObj->userlink ;
2123                         if ( !isset ( $userlinks[$u] ) ) $userlinks[$u] = 0 ;
2124                         $userlinks[$u]++ ;
2125                 }
2126
2127                 # Sort the list and convert to text
2128                 krsort ( $userlinks ) ;
2129                 asort ( $userlinks ) ;
2130                 $users = array () ;
2131                 foreach ( $userlinks as $userlink => $count) {
2132                         $text = $userlink ;
2133                         if ( $count > 1 ) $text .= " ({$count}&times;)" ;
2134                         array_push ( $users , $text ) ;
2135                 }
2136                 $users = ' <font size="-1">['.implode('; ',$users).']</font>' ;
2137
2138                 # Arrow
2139                 $rci = 'RCI'.$this->rcCacheIndex ;
2140                 $rcl = 'RCL'.$this->rcCacheIndex ;
2141                 $rcm = 'RCM'.$this->rcCacheIndex ;
2142                 $toggleLink = "javascript:toggleVisibility('$rci','$rcm','$rcl')" ;
2143                 $arrowdir = $wgLang->isRTL() ? 'l' : 'r';
2144                 $tl  = '<span id="'.$rcm.'"><a href="'.$toggleLink.'"><img src="'.$wgStylePath.'/images/Arr_'.$arrowdir.'.png" width="12" height="12" /></a></span>' ;
2145                 $tl .= '<span id="'.$rcl.'" style="display:none"><a href="'.$toggleLink.'"><img src="'.$wgStylePath.'/images/Arr_d.png" width="12" height="12" /></a></span>' ;
2146                 $r .= $tl ;
2147
2148                 # Main line
2149                 # M/N
2150                 $r .= '<tt>' ;
2151                 if ( $isnew ) $r .= $N ;
2152                 else $r .= '&nbsp;' ;
2153                 $r .= '&nbsp;' ; # Minor
2154
2155                 # Timestamp
2156                 $r .= ' '.$block[0]->timestamp.' ' ;
2157                 $r .= '</tt>' ;
2158
2159                 # Article link
2160                 $link = $block[0]->link ;
2161                 if ( $block[0]->watched ) $link = '<strong>'.$link.'</strong>' ;
2162                 $r .= $link ;
2163
2164                 $curIdEq = 'curid=' . $block[0]->mAttribs['rc_cur_id'];
2165                 if ( $block[0]->mAttribs['rc_type'] != RC_LOG ) {
2166                         # Changes
2167                         $r .= ' ('.count($block).' ' ;
2168                         if ( $isnew ) $r .= wfMsg('changes');
2169                         else $r .= $this->makeKnownLinkObj( $block[0]->getTitle() , wfMsg('changes') ,
2170                                 $curIdEq.'&diff=0&oldid='.$oldid ) ;
2171                         $r .= '; ' ;
2172
2173                         # History
2174                         $r .= $this->makeKnownLinkObj( $block[0]->getTitle(), wfMsg( 'history' ), $curIdEq.'&action=history' );
2175                         $r .= ')' ;
2176                 }
2177
2178                 $r .= $users ;
2179                 $r .= "<br />\n" ;
2180
2181                 # Sub-entries
2182                 $r .= '<div id="'.$rci.'" style="display:none">' ;
2183                 foreach ( $block AS $rcObj ) {
2184                         # Get rc_xxxx variables
2185                         extract( $rcObj->mAttribs );
2186
2187                         $r .= '<img src="'.$wgStylePath.'/images/Arr_.png" width="12" height="12" />';
2188                         $r .= '<tt>&nbsp; &nbsp; &nbsp; &nbsp;' ;
2189                         if ( $rc_new ) $r .= $N ;
2190                         else $r .= '&nbsp;' ;
2191                         if ( $rc_minor ) $r .= $M ;
2192                         else $r .= '&nbsp;' ;
2193                         $r .= '</tt>' ;
2194
2195                         $o = '' ;
2196                         if ( $rc_last_oldid != 0 ) {
2197                                 $o = 'oldid='.$rc_last_oldid ;
2198                         }
2199                         if ( $rc_type == RC_LOG ) {
2200                                 $link = $rcObj->timestamp ;
2201                         } else {
2202                                 $link = $this->makeKnownLinkObj( $rcObj->getTitle(), $rcObj->timestamp , "{$curIdEq}&$o" ) ;
2203                         }
2204                         $link = '<tt>'.$link.'</tt>' ;
2205
2206                         $r .= $link ;
2207                         $r .= ' (' ;
2208                         $r .= $rcObj->curlink ;
2209                         $r .= '; ' ;
2210                         $r .= $rcObj->lastlink ;
2211                         $r .= ') . . '.$rcObj->userlink ;
2212                         $r .= $rcObj->usertalklink ;
2213                         if ( $rc_comment != '' ) {
2214                                 $rc_comment=$this->formatComment($rc_comment);
2215                                 $r .= $wgLang->emphasize( ' ('.$rc_comment.')' ) ;
2216                         }
2217                         $r .= "<br />\n" ;
2218                 }
2219                 $r .= "</div>\n" ;
2220
2221                 $this->rcCacheIndex++ ;
2222                 return $r ;
2223         }
2224
2225         # If enhanced RC is in use, this function takes the previously cached
2226         # RC lines, arranges them, and outputs the HTML
2227         function recentChangesBlock ()
2228         {
2229                 global $wgStylePath ;
2230                 if ( count ( $this->rc_cache ) == 0 ) return '' ;
2231                 $blockOut = '';
2232                 foreach ( $this->rc_cache AS $secureName => $block ) {
2233                         if ( count ( $block ) < 2 ) {
2234                                 $blockOut .= $this->recentChangesBlockLine ( array_shift ( $block ) ) ;
2235                         } else {
2236                                 $blockOut .= $this->recentChangesBlockGroup ( $block ) ;
2237                         }
2238                 }
2239
2240                 return '<div>'.$blockOut.'</div>' ;
2241         }
2242
2243         # Called in a loop over all displayed RC entries
2244         # Either returns the line, or caches it for later use
2245         function recentChangesLine( &$rc, $watched = false )
2246         {
2247                 global $wgUser ;
2248                 $usenew = $wgUser->getOption( 'usenewrc' );
2249                 if ( $usenew )
2250                         $line = $this->recentChangesLineNew ( $rc, $watched ) ;
2251                 else
2252                         $line = $this->recentChangesLineOld ( $rc, $watched ) ;
2253                 return $line ;
2254         }
2255
2256         function recentChangesLineOld( &$rc, $watched = false )
2257         {
2258                 global $wgTitle, $wgLang, $wgUser, $wgRCSeconds;
2259
2260                 # Extract DB fields into local scope
2261                 extract( $rc->mAttribs );
2262                 $curIdEq = 'curid=' . $rc_cur_id;
2263
2264                 # Make date header if necessary
2265                 $date = $wgLang->date( $rc_timestamp, true);
2266                 $s = '';
2267                 if ( $date != $this->lastdate ) {
2268                         if ( '' != $this->lastdate ) { $s .= "</ul>\n"; }
2269                         $s .= "<h4>{$date}</h4>\n<ul class='special'>";
2270                         $this->lastdate = $date;
2271                         $this->rclistOpen = true;
2272                 }
2273                 $s .= '<li> ';
2274
2275                 if ( $rc_type == RC_MOVE ) {
2276                         # Diff
2277                         $s .= '(' . wfMsg( 'diff' ) . ') (';
2278                         # Hist
2279                         $s .= $this->makeKnownLinkObj( $rc->getMovedToTitle(), wfMsg( 'hist' ), 'action=history' ) .
2280                                 ') . . ';
2281
2282                         # "[[x]] moved to [[y]]"
2283
2284                         $s .= wfMsg( '1movedto2', $this->makeKnownLinkObj( $rc->getTitle(), '', 'redirect=no' ),
2285                                 $this->makeKnownLinkObj( $rc->getMovedToTitle(), '' ) );
2286
2287                 } else {
2288                         # Diff link
2289                         if ( $rc_type == RC_NEW || $rc_type == RC_LOG ) {
2290                                 $diffLink = wfMsg( 'diff' );
2291                         } else {
2292                                 $diffLink = $this->makeKnownLinkObj( $rc->getTitle(), wfMsg( 'diff' ),
2293                                   $curIdEq.'&diff='.$rc_this_oldid.'&oldid='.$rc_last_oldid  ,'' ,'' , ' tabindex="'.$rc->counter.'"');
2294                         }
2295                         $s .= '('.$diffLink.') (';
2296
2297                         # History link
2298                         $s .= $this->makeKnownLinkObj( $rc->getTitle(), wfMsg( 'hist' ), $curIdEq.'&action=history' );
2299                         $s .= ') . . ';
2300
2301                         # M and N (minor and new)
2302                         $M = wfMsg( 'minoreditletter' );
2303                         $N = wfMsg( 'newpageletter' );
2304                         if ( $rc_minor ) { $s .= ' <strong>'.$M.'</strong>'; }
2305                         if ( $rc_type == RC_NEW ) { $s .= '<strong>'.$N.'</strong>'; }
2306
2307                         # Article link
2308                         $articleLink = $this->makeKnownLinkObj( $rc->getTitle(), '' );
2309
2310                         if ( $watched ) {
2311                                 $articleLink = '<strong>'.$articleLink.'</strong>';
2312                         }
2313                         $s .= ' '.$articleLink;
2314
2315                 }
2316
2317                 # Timestamp
2318                 $s .= '; ' . $wgLang->time( $rc_timestamp, true, $wgRCSeconds ) . ' . . ';
2319
2320                 # User link (or contributions for unregistered users)
2321                 if ( 0 == $rc_user ) {
2322                         $userLink = $this->makeKnownLink( $wgLang->specialPage( 'Contributions' ),
2323                         $rc_user_text, 'target=' . $rc_user_text );
2324                 } else {
2325                         $userLink = $this->makeLink( $wgLang->getNsText( NS_USER ) . ':'.$rc_user_text, $rc_user_text );
2326                 }
2327                 $s .= $userLink;
2328
2329                 # User talk link
2330                 $talkname=$wgLang->getNsText(NS_TALK); # use the shorter name
2331                 global $wgDisableAnonTalk;
2332                 if( 0 == $rc_user && $wgDisableAnonTalk ) {
2333                         $userTalkLink = '';
2334                 } else {
2335                         $utns=$wgLang->getNsText(NS_USER_TALK);
2336                         $userTalkLink= $this->makeLink($utns . ':'.$rc_user_text, $talkname );
2337                 }
2338                 # Block link
2339                 $blockLink='';
2340                 if ( ( 0 == $rc_user ) && $wgUser->isSysop() ) {
2341                         $blockLink = $this->makeKnownLink( $wgLang->specialPage(
2342                           'Blockip' ), wfMsg( 'blocklink' ), 'ip='.$rc_user_text );
2343
2344                 }
2345                 if($blockLink) {
2346                         if($userTalkLink) $userTalkLink .= ' | ';
2347                         $userTalkLink .= $blockLink;
2348                 }
2349                 if($userTalkLink) $s.=' ('.$userTalkLink.')';
2350
2351                 # Add comment
2352                 if ( '' != $rc_comment && '*' != $rc_comment && $rc_type != RC_MOVE ) {
2353                         $rc_comment=$this->formatComment($rc_comment);
2354                         $s .= $wgLang->emphasize(' (' . $rc_comment . ')');
2355                 }
2356                 $s .= "</li>\n";
2357
2358                 return $s;
2359         }
2360
2361 #       function recentChangesLineNew( $ts, $u, $ut, $ns, $ttl, $c, $isminor, $isnew, $watched = false, $oldid = 0 , $diffid = 0 )
2362         function recentChangesLineNew( &$baseRC, $watched = false )
2363         {
2364                 global $wgTitle, $wgLang, $wgUser, $wgRCSeconds;
2365
2366                 # Create a specialised object
2367                 $rc = RCCacheEntry::newFromParent( $baseRC ) ;
2368
2369                 # Extract fields from DB into the function scope (rc_xxxx variables)
2370                 extract( $rc->mAttribs );
2371                 $curIdEq = 'curid=' . $rc_cur_id;
2372
2373                 # If it's a new day, add the headline and flush the cache
2374                 $date = $wgLang->date( $rc_timestamp, true);
2375                 $ret = '' ;
2376                 if ( $date != $this->lastdate ) {
2377                         # Process current cache
2378                         $ret = $this->recentChangesBlock () ;
2379                         $this->rc_cache = array() ;
2380                         $ret .= "<h4>{$date}</h4>\n";
2381                         $this->lastdate = $date;
2382                 }
2383
2384                 # Make article link
2385                 if ( $rc_type == RC_MOVE ) {
2386                         $clink = $this->makeKnownLinkObj( $rc->getTitle(), '', 'redirect=no' );
2387                         $clink .= ' ' . wfMsg('movedto') . ' ';
2388                         $clink .= $this->makeKnownLinkObj( $rc->getMovedToTitle(), '' );
2389                 } else {
2390                         $clink = $this->makeKnownLinkObj( $rc->getTitle(), '' ) ;
2391                 }
2392
2393                 $time = $wgLang->time( $rc_timestamp, true, $wgRCSeconds );
2394                 $rc->watched = $watched ;
2395                 $rc->link = $clink ;
2396                 $rc->timestamp = $time;
2397
2398                 # Make "cur" link
2399                 if ( ( $rc_type == RC_NEW && $rc_this_oldid == 0 ) || $rc_type == RC_LOG || $rc_type == RC_MOVE) {
2400                         $curLink = wfMsg( 'cur' );
2401                 } else {
2402                         $curLink = $this->makeKnownLinkObj( $rc->getTitle(), wfMsg( 'cur' ),
2403                           $curIdEq.'&diff=0&oldid='.$rc_this_oldid ,'' ,'' , ' tabindex="'.$baseRC->counter.'"' );
2404                 }
2405
2406                 # Make "last" link
2407                 $titleObj = $rc->getTitle();
2408                 if ( $rc_last_oldid == 0 || $rc_type == RC_LOG || $rc_type == RC_MOVE ) {
2409                         $lastLink = wfMsg( 'last' );
2410                 } else {
2411                         $lastLink = $this->makeKnownLinkObj( $rc->getTitle(), wfMsg( 'last' ),
2412                           $curIdEq.'&diff='.$rc_this_oldid.'&oldid='.$rc_last_oldid );
2413                 }
2414
2415                 # Make user link (or user contributions for unregistered users)
2416                 if ( 0 == $rc_user ) {
2417                         $userLink = $this->makeKnownLink( $wgLang->specialPage( 'Contributions' ),
2418                         $rc_user_text, 'target=' . $rc_user_text );
2419                 } else {
2420                         $userLink = $this->makeLink( $wgLang->getNsText(
2421                           Namespace::getUser() ) . ':'.$rc_user_text, $rc_user_text );
2422                 }
2423
2424                 $rc->userlink = $userLink ;
2425                 $rc->lastlink = $lastLink ;
2426                 $rc->curlink = $curLink ;
2427
2428                 # Make user talk link
2429                 $utns=$wgLang->getNsText(NS_USER_TALK);
2430                 $talkname=$wgLang->getNsText(NS_TALK); # use the shorter name
2431                 $userTalkLink= $this->makeLink($utns . ':'.$rc_user_text, $talkname );
2432
2433                 global $wgDisableAnonTalk;
2434                 if ( ( 0 == $rc_user ) && $wgUser->isSysop() ) {
2435                         $blockLink = $this->makeKnownLink( $wgLang->specialPage(
2436                           'Blockip' ), wfMsg( 'blocklink' ), 'ip='.$rc_user_text );
2437                         if( $wgDisableAnonTalk )
2438                                 $rc->usertalklink = ' ('.$blockLink.')';
2439                         else
2440                                 $rc->usertalklink = ' ('.$userTalkLink.' | '.$blockLink.')';
2441                 } else {
2442                         if( $wgDisableAnonTalk && ($rc_user == 0) )
2443                                 $rc->usertalklink = '';
2444                         else
2445                                 $rc->usertalklink = ' ('.$userTalkLink.')';
2446                 }
2447
2448                 # Put accumulated information into the cache, for later display
2449                 # Page moves go on their own line
2450                 $title = $rc->getTitle();
2451                 $secureName = $title->getPrefixedDBkey();
2452                 if ( $rc_type == RC_MOVE ) {
2453                         # Use an @ character to prevent collision with page names
2454                         $this->rc_cache['@@' . ($this->rcMoveIndex++)] = array($rc);
2455                 } else {
2456                         if ( !isset ( $this->rc_cache[$secureName] ) ) $this->rc_cache[$secureName] = array() ;
2457                         array_push ( $this->rc_cache[$secureName] , $rc ) ;
2458                 }
2459                 return $ret;
2460         }
2461
2462         function endImageHistoryList()
2463         {
2464                 $s = "</ul>\n";
2465                 return $s;
2466         }
2467
2468         /* This function is called by all recent changes variants, by the page history,
2469            and by the user contributions list. It is responsible for formatting edit
2470            comments. It escapes any HTML in the comment, but adds some CSS to format
2471            auto-generated comments (from section editing) and formats [[wikilinks]].
2472            Main author: Erik Möller (moeller@scireview.de)
2473         */
2474         function formatComment($comment)
2475         {
2476                 global $wgLang;
2477                 $comment=wfEscapeHTML($comment);
2478
2479                 # The pattern for autogen comments is / * foo * /, which makes for
2480                 # some nasty regex.
2481                 # We look for all comments, match any text before and after the comment,
2482                 # add a separator where needed and format the comment itself with CSS
2483                 while (preg_match('/(.*)\/\*\s*(.*?)\s*\*\/(.*)/', $comment,$match)) {
2484                         $pre=$match[1];
2485                         $auto=$match[2];
2486                         $post=$match[3];
2487                         $sep='-';
2488                         if($pre) { $auto = $sep.' '.$auto; }
2489                         if($post) { $auto .= ' '.$sep; }
2490                         $auto='<span class="autocomment">'.$auto.'</span>';
2491                         $comment=$pre.$auto.$post;
2492                 }
2493
2494                 # format regular and media links - all other wiki formatting
2495                 # is ignored
2496                 while(preg_match('/\[\[(.*?)(\|(.*?))*\]\]/',$comment,$match)) {
2497
2498                         $medians = $wgLang->getNsText(Namespace::getMedia()).':';
2499                         $func='makeLink';
2500                         if(preg_match('/^'.$medians.'/i',$match[1])) {
2501                                 $func='makeMediaLink';
2502                         }
2503                         # Handle link renaming [[foo|text]] will show link as "text"
2504                         if(isset($match[3]) ) {
2505                                 $comment=
2506                                 preg_replace('/\[\[(.*?)\]\]/',
2507                                 $this->$func($match[1],$match[3]),$comment,1);
2508                         } else {
2509                                 $comment=
2510                                 preg_replace('/\[\[(.*?)\]\]/',
2511                                 $this->$func($match[1],$match[1]),$comment,1);
2512                         }
2513                 }
2514
2515                 return $comment;
2516
2517         }
2518
2519         function imageHistoryLine( $iscur, $timestamp, $img, $user, $usertext, $size, $description )
2520         {
2521                 global $wgUser, $wgLang, $wgTitle;
2522
2523                 $datetime = $wgLang->timeanddate( $timestamp, true );
2524                 $del = wfMsg( 'deleteimg' );
2525                 $cur = wfMsg( 'cur' );
2526
2527                 if ( $iscur ) {
2528                         $url = Image::wfImageUrl( $img );
2529                         $rlink = $cur;
2530                         if ( $wgUser->isSysop() ) {
2531                                 $link = $wgTitle->escapeLocalURL( 'image=' . $wgTitle->getPartialURL() .
2532                                   '&action=delete' );
2533                                 $style = $this->getInternalLinkAttributes( $link, $del );
2534
2535                                 $dlink = '<a href="'.$link.'"'.$style.'>'.$del.'</a>';
2536                         } else {
2537                                 $dlink = $del;
2538                         }
2539                 } else {
2540                         $url = wfEscapeHTML( wfImageArchiveUrl( $img ) );
2541                         if( $wgUser->getID() != 0 ) {
2542                                 $rlink = $this->makeKnownLink( $wgTitle->getPrefixedText(),
2543                                            wfMsg( 'revertimg' ), 'action=revert&oldimage=' .
2544                                            urlencode( $img ) );
2545                                 $dlink = $this->makeKnownLink( $wgTitle->getPrefixedText(),
2546                                            $del, 'action=delete&oldimage=' . urlencode( $img ) );
2547                         } else {
2548                                 # Having live active links for non-logged in users
2549                                 # means that bots and spiders crawling our site can
2550                                 # inadvertently change content. Baaaad idea.
2551                                 $rlink = wfMsg( 'revertimg' );
2552                                 $dlink = $del;
2553                         }
2554                 }
2555                 if ( 0 == $user ) {
2556                         $userlink = $usertext;
2557                 } else {
2558                         $userlink = $this->makeLink( $wgLang->getNsText( Namespace::getUser() ) .
2559                                        ':'.$usertext, $usertext );
2560                 }
2561                 $nbytes = wfMsg( 'nbytes', $size );
2562                 $style = $this->getInternalLinkAttributes( $url, $datetime );
2563
2564                 $s = "<li> ({$dlink}) ({$rlink}) <a href=\"{$url}\"{$style}>{$datetime}</a>"
2565                   . " . . {$userlink} ({$nbytes})";
2566
2567                 if ( '' != $description && '*' != $description ) {
2568                         $sk=$wgUser->getSkin();
2569                         $s .= $wgLang->emphasize(' (' . $sk->formatComment($description) . ')');
2570                 }
2571                 $s .= "</li>\n";
2572                 return $s;
2573         }
2574
2575         function tocIndent($level) {
2576                 return str_repeat( '<div class="tocindent">'."\n", $level>0 ? $level : 0 );
2577         }
2578
2579         function tocUnindent($level) {
2580                 return str_repeat( "</div>\n", $level>0 ? $level : 0 );
2581         }
2582
2583         # parameter level defines if we are on an indentation level
2584         function tocLine( $anchor, $tocline, $level ) {
2585                 $link = '<a href="#'.$anchor.'">'.$tocline.'</a><br />';
2586                 if($level) {
2587                         return $link."\n";
2588                 } else {
2589                         return '<div class="tocline">'.$link."</div>\n";
2590                 }
2591
2592         }
2593
2594         function tocTable($toc) {
2595                 # note to CSS fanatics: putting this in a div does not work -- div won't auto-expand
2596                 # try min-width & co when somebody gets a chance
2597                 $hideline = ' <script type="text/javascript">showTocToggle("' . addslashes( wfMsg('showtoc') ) . '","' . addslashes( wfMsg('hidetoc') ) . '")</script>';
2598                 return
2599                 '<table border="0" id="toc"><tr id="toctitle"><td align="center">'."\n".
2600                 '<b>'.wfMsg('toc').'</b>' .
2601                 $hideline .
2602                 '</td></tr><tr id="tocinside"><td>'."\n".
2603                 $toc."</td></tr></table>\n";
2604         }
2605
2606         # These two do not check for permissions: check $wgTitle->userCanEdit before calling them
2607         function editSectionScript( $section, $head ) {
2608                 global $wgTitle, $wgRequest;
2609                 if( $wgRequest->getInt( 'oldid' ) && ( $wgRequest->getVal( 'diff' ) != '0' ) ) {
2610                         return $head;
2611                 }
2612                 $url = $wgTitle->escapeLocalURL( 'action=edit&section='.$section );
2613                 return '<span oncontextmenu=\'document.location="'.$url.'";return false;\'>'.$head.'</span>';
2614         }
2615
2616         function editSectionLink( $section ) {
2617                 global $wgRequest;
2618                 global $wgTitle, $wgUser, $wgLang;
2619
2620                 if( $wgRequest->getInt( 'oldid' ) && ( $wgRequest->getVal( 'diff' ) != '0' ) ) {
2621                         # Section edit links would be out of sync on an old page.
2622                         # But, if we're diffing to the current page, they'll be
2623                         # correct.
2624                         return '';
2625                 }
2626
2627                 $editurl = '&section='.$section;
2628                 $url = $this->makeKnownLink($wgTitle->getPrefixedText(),wfMsg('editsection'),'action=edit'.$editurl);
2629
2630                 if( $wgLang->isRTL() ) {
2631                         $farside = 'left';
2632                         $nearside = 'right';
2633                 } else {
2634                         $farside = 'right';
2635                         $nearside = 'left';
2636                 }
2637                 return "<div class=\"editsection\" style=\"float:$farside;margin-$nearside:5px;\">[".$url."]</div>";
2638
2639         }
2640
2641         // This function is called by EditPage.php and shows a bulletin board style
2642         // toolbar for common editing functions. It can be disabled in the user preferences.
2643         // The necsesary JavaScript code can be found in style/wikibits.js.
2644         function getEditToolbar() {
2645                 global $wgStylePath, $wgLang, $wgMimeType;
2646
2647                 // toolarray an array of arrays which each include the filename of
2648                 // the button image (without path), the opening tag, the closing tag,
2649                 // and optionally a sample text that is inserted between the two when no
2650                 // selection is highlighted.
2651                 // The tip text is shown when the user moves the mouse over the button.
2652
2653                 // Already here are accesskeys (key), which are not used yet until someone
2654                 // can figure out a way to make them work in IE. However, we should make
2655                 // sure these keys are not defined on the edit page.
2656                 $toolarray=array(
2657                         array(  'image'=>'button_bold.png',
2658                                 'open'=>"\'\'\'",
2659                                 'close'=>"\'\'\'",
2660                                 'sample'=>wfMsg('bold_sample'),
2661                                 'tip'=>wfMsg('bold_tip'),
2662                                 'key'=>'B'
2663                                 ),
2664                         array(  "image"=>"button_italic.png",
2665                                 "open"=>"\'\'",
2666                                 "close"=>"\'\'",
2667                                 "sample"=>wfMsg("italic_sample"),
2668                                 "tip"=>wfMsg("italic_tip"),
2669                                 "key"=>"I"
2670                                 ),
2671                         array(  "image"=>"button_link.png",
2672                                 "open"=>"[[",
2673                                 "close"=>"]]",
2674                                 "sample"=>wfMsg("link_sample"),
2675                                 "tip"=>wfMsg("link_tip"),
2676                                 "key"=>"L"
2677                                 ),
2678                         array(  "image"=>"button_extlink.png",
2679                                 "open"=>"[",
2680                                 "close"=>"]",
2681                                 "sample"=>wfMsg("extlink_sample"),
2682                                 "tip"=>wfMsg("extlink_tip"),
2683                                 "key"=>"X"
2684                                 ),
2685                         array(  "image"=>"button_headline.png",
2686                                 "open"=>"\\n== ",
2687                                 "close"=>" ==\\n",
2688                                 "sample"=>wfMsg("headline_sample"),
2689                                 "tip"=>wfMsg("headline_tip"),
2690                                 "key"=>"H"
2691                                 ),
2692                         array(  "image"=>"button_image.png",
2693                                 "open"=>"[[".$wgLang->getNsText(NS_IMAGE).":",
2694                                 "close"=>"]]",
2695                                 "sample"=>wfMsg("image_sample"),
2696                                 "tip"=>wfMsg("image_tip"),
2697                                 "key"=>"D"
2698                                 ),
2699                         array(  "image"=>"button_media.png",
2700                                 "open"=>"[[".$wgLang->getNsText(NS_MEDIA).":",
2701                                 "close"=>"]]",
2702                                 "sample"=>wfMsg("media_sample"),
2703                                 "tip"=>wfMsg("media_tip"),
2704                                 "key"=>"M"
2705                                 ),
2706                         array(  "image"=>"button_math.png",
2707                                 "open"=>"\\<math\\>",
2708                                 "close"=>"\\</math\\>",
2709                                 "sample"=>wfMsg("math_sample"),
2710                                 "tip"=>wfMsg("math_tip"),
2711                                 "key"=>"C"
2712                                 ),
2713                         array(  "image"=>"button_nowiki.png",
2714                                 "open"=>"\\<nowiki\\>",
2715                                 "close"=>"\\</nowiki\\>",
2716                                 "sample"=>wfMsg("nowiki_sample"),
2717                                 "tip"=>wfMsg("nowiki_tip"),
2718                                 "key"=>"N"
2719                                 ),
2720                         array(  "image"=>"button_sig.png",
2721                                 "open"=>"--~~~~",
2722                                 "close"=>"",
2723                                 "sample"=>"",
2724                                 "tip"=>wfMsg("sig_tip"),
2725                                 "key"=>"Y"
2726                                 ),
2727                         array(  "image"=>"button_hr.png",
2728                                 "open"=>"\\n----\\n",
2729                                 "close"=>"",
2730                                 "sample"=>"",
2731                                 "tip"=>wfMsg("hr_tip"),
2732                                 "key"=>"R"
2733                                 )
2734                 );
2735                 $toolbar ="<script type='text/javascript'>\n/*<![CDATA[*/\n";
2736
2737                 $toolbar.="document.writeln(\"<div id='toolbar'>\");\n";
2738                 foreach($toolarray as $tool) {
2739
2740                         $image=$wgStylePath.'/images/'.$tool['image'];
2741                         $open=$tool['open'];
2742                         $close=$tool['close'];
2743                         $sample = addslashes( $tool['sample'] );
2744
2745                         // Note that we use the tip both for the ALT tag and the TITLE tag of the image.
2746                         // Older browsers show a "speedtip" type message only for ALT.
2747                         // Ideally these should be different, realistically they
2748                         // probably don't need to be.
2749                         $tip = addslashes( $tool['tip'] );
2750
2751                         #$key = $tool["key"];
2752
2753                         $toolbar.="addButton('$image','$tip','$open','$close','$sample');\n";
2754                 }
2755
2756                 $toolbar.="addInfobox('" . addslashes( wfMsg( "infobox" ) ) . "','" . addslashes(wfMsg("infobox_alert")) . "');\n";
2757                 $toolbar.="document.writeln(\"</div>\");\n";
2758
2759                 $toolbar.="/*]]>*/\n</script>";
2760                 return $toolbar;
2761         }
2762
2763 }
2764 ?>