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, $wgLang;
 392
 393                 if( !$wgUseCategoryMagic ) return '' ;
 394                 if( count( $wgOut->mCategoryLinks ) == 0 ) return '';
 395
 396                 # Taken out so that they will be displayed in previews -- TS
 397                 #if( !$wgOut->isArticle() ) return '';
 398
 399                 $t = implode ( ' | ' , $wgOut->mCategoryLinks ) ;
 400                 $s = $this->makeKnownLink( 'Special:Categories',
 401                         wfMsg( 'categories' ), 'article=' . urlencode( $wgTitle->getPrefixedDBkey() ) )
 402                         . ': ' . $t;
 403
 404                 if($wgUseCategoryBrowser) {
 405                         $s .= '<br/><hr/>';
 406                         $catstack = array();
 407                         $s.= $wgTitle->getAllParentCategories($catstack);
 408                 }
 409
 410                 return $s;
 411         }
 412
 413         function getCategories() {
 414                 $catlinks=$this->getCategoryLinks();
 415                 if(!empty($catlinks)) {
 416                         return "<p class='catlinks'>{$catlinks}</p>";
 417                 }
 418         }
 419
 420         function getQuickbarCompensator( $rows = 1 )
 421         {
 422                 return "<td width='152' rowspan='{$rows}'>&nbsp;</td>";
 423         }
 424
 425         # This gets called immediately before the </body> tag.
 426         #
 427         function afterContent()
 428         {
 429                 global $wgUser, $wgOut, $wgServer;
 430                 global $wgTitle, $wgLang;
 431
 432                 $printfooter = "<div class=\"printfooter\">\n" . $this->printFooter() . "</div>\n";
 433                 return $printfooter . $this->doAfterContent();
 434         }
 435
 436         function printFooter() {
 437                 global $wgTitle;
 438                 $url = htmlspecialchars( $wgTitle->getFullURL() );
 439                 return "<p>" . wfMsg( "retrievedfrom", "<a href=\"$url\">$url</a>" ) .
 440                         "</p>\n\n<p>" . $this->pageStats() . "</p>\n";
 441         }
 442
 443         function doAfterContent()
 444         {
 445                 global $wgUser, $wgOut, $wgLang;
 446                 $fname =  'Skin::doAfterContent';
 447                 wfProfileIn( $fname );
 448                 wfProfileIn( $fname.'-1' );
 449
 450                 $s = "\n</div><br style=\"clear:both\" />\n";
 451                 $s .= "\n<div id='footer'>";
 452                 $s .= '<table border="0" cellspacing="0"><tr>';
 453
 454                 wfProfileOut( $fname.'-1' );
 455                 wfProfileIn( $fname.'-2' );
 456
 457                 $qb = $this->qbSetting();
 458                 $shove = ($qb != 0);
 459                 $left = ($qb == 1 || $qb == 3);
 460                 if($wgLang->isRTL()) $left = !$left;
 461
 462                 if ( $shove && $left ) { # Left
 463                         $s .= $this->getQuickbarCompensator();
 464                 }
 465                 wfProfileOut( $fname.'-2' );
 466                 wfProfileIn( $fname.'-3' );
 467                 $l = $wgLang->isRTL() ? 'right' : 'left';
 468                 $s .= "<td class='bottom' align='$l' valign='top'>";
 469
 470                 $s .= $this->bottomLinks();
 471                 $s .= "\n<br />" . $this->mainPageLink()
 472                   . ' | ' . $this->aboutLink()
 473                   . ' | ' . $this->specialLink( 'recentchanges' )
 474                   . ' | ' . $this->searchForm()
 475                   . '<br /><span id="pagestats">' . $this->pageStats() . '</span>';
 476
 477                 $s .= "</td>";
 478                 if ( $shove && !$left ) { # Right
 479                         $s .= $this->getQuickbarCompensator();
 480                 }
 481                 $s .= "</tr></table>\n</div>\n</div>\n";
 482
 483                 wfProfileOut( $fname.'-3' );
 484                 wfProfileIn( $fname.'-4' );
 485                 if ( 0 != $qb ) { $s .= $this->quickBar(); }
 486                 wfProfileOut( $fname.'-4' );
 487                 wfProfileOut( $fname );
 488                 return $s;
 489         }
 490
 491         function pageTitleLinks()
 492         {
 493                 global $wgOut, $wgTitle, $wgUser, $wgLang, $wgUseApproval, $wgRequest;
 494
 495                 extract( $wgRequest->getValues( 'oldid', 'diff' ) );
 496                 $action = $wgRequest->getText( 'action' );
 497
 498                 $s = $this->printableLink();
 499                 if ( wfMsg ( 'disclaimers' ) != '-' ) $s .= ' | ' . $this->makeKnownLink( wfMsg( 'disclaimerpage' ), wfMsg( 'disclaimers' ) ) ;
 500
 501                 if ( $wgOut->isArticleRelated() ) {
 502                         if ( $wgTitle->getNamespace() == Namespace::getImage() ) {
 503                                 $name = $wgTitle->getDBkey();
 504                                 $link = wfEscapeHTML( Image::wfImageUrl( $name ) );
 505                                 $style = $this->getInternalLinkAttributes( $link, $name );
 506                                 $s .= " | <a href=\"{$link}\"{$style}>{$name}</a>";
 507                         }
 508                         # This will show the "Approve" link if $wgUseApproval=true;
 509                         if ( isset ( $wgUseApproval ) && $wgUseApproval )
 510                         {
 511                                 $t = $wgTitle->getDBkey();
 512                                 $name = 'Approve this article' ;
 513                                 $link = "http://test.wikipedia.org/w/magnus/wiki.phtml?title={$t}&action=submit&doit=1" ;
 514                                 #wfEscapeHTML( wfImageUrl( $name ) );
 515                                 $style = $this->getExternalLinkAttributes( $link, $name );
 516                                 $s .= " | <a href=\"{$link}\"{$style}>{$name}</a>" ;
 517                         }
 518                 }
 519                 if ( 'history' == $action || isset( $diff ) || isset( $oldid ) ) {
 520                         $s .= ' | ' . $this->makeKnownLink( $wgTitle->getPrefixedText(),
 521                                         wfMsg( 'currentrev' ) );
 522                 }
 523
 524                 if ( $wgUser->getNewtalk() ) {
 525                 # do not show "You have new messages" text when we are viewing our
 526                 # own talk page
 527
 528                         if(!(strcmp($wgTitle->getText(),$wgUser->getName()) == 0 &&
 529                                                 $wgTitle->getNamespace()==Namespace::getTalk(Namespace::getUser()))) {
 530                                 $n =$wgUser->getName();
 531                                 $tl = $this->makeKnownLink( $wgLang->getNsText(
 532                                                         Namespace::getTalk( Namespace::getUser() ) ) . ":{$n}",
 533                                                 wfMsg('newmessageslink') );
 534                                 $s.= ' | <strong>'. wfMsg( 'newmessages', $tl ) . '</strong>';
 535                         }
 536                 }
 537
 538                 $undelete = $this->getUndeleteLink();
 539                 if( !empty( $undelete ) ) {
 540                         $s .= ' | '.$undelete;
 541                 }
 542                 return $s;
 543         }
 544
 545         function getUndeleteLink() {
 546                 global $wgUser, $wgTitle, $wgLang, $action;
 547                 if( $wgUser->isSysop() &&
 548                         (($wgTitle->getArticleId() == 0) || ($action == "history")) &&
 549                         ($n = $wgTitle->isDeleted() ) ) {
 550                         return wfMsg( 'thisisdeleted',
 551                                 $this->makeKnownLink(
 552                                         $wgLang->SpecialPage( 'Undelete/' . $wgTitle->getPrefixedDBkey() ),
 553                                         wfMsg( 'restorelink', $n ) ) );
 554                 }
 555                 return '';
 556         }
 557
 558         function printableLink()
 559         {
 560                 global $wgOut, $wgFeedClasses, $wgRequest;
 561
 562                 $baseurl = $_SERVER['REQUEST_URI'];
 563                 if( strpos( '?', $baseurl ) == false ) {
 564                         $baseurl .= '?';
 565                 } else {
 566                         $baseurl .= '&';
 567                 }
 568                 $baseurl = htmlspecialchars( $baseurl );
 569                 $printurl = $wgRequest->escapeAppendQuery( 'printable=yes' );
 570
 571                 $s = "<a href=\"$printurl\">" . wfMsg( 'printableversion' ) . '</a>';
 572                 if( $wgOut->isSyndicated() ) {
 573                         foreach( $wgFeedClasses as $format => $class ) {
 574                                 $feedurl = $wgRequest->escapeAppendQuery( "feed=$format" );
 575                                 $s .= " | <a href=\"$feedurl\">{$format}</a>";
 576                         }
 577                 }
 578                 return $s;
 579         }
 580
 581         function pageTitle()
 582         {
 583                 global $wgOut, $wgTitle, $wgUser;
 584
 585                 $s = '<h1 class="pagetitle">' . htmlspecialchars( $wgOut->getPageTitle() ) . '</h1>';
 586                 if($wgUser->getOption( 'editsectiononrightclick' ) && $wgTitle->userCanEdit()) { $s=$this->editSectionScript(0,$s);}
 587                 return $s;
 588         }
 589
 590         function pageSubtitle()
 591         {
 592                 global $wgOut;
 593
 594                 $sub = $wgOut->getSubtitle();
 595                 if ( '' == $sub ) {
 596                         global $wgExtraSubtitle;
 597                         $sub = wfMsg( 'fromwikipedia' ) . $wgExtraSubtitle;
 598                 }
 599                 $subpages = $this->subPageSubtitle();
 600                 $sub .= !empty($subpages)?"</p><p class='subpages'>$subpages":'';
 601                 $s = "<p class='subtitle'>{$sub}</p>\n";
 602                 return $s;
 603         }
 604
 605         function subPageSubtitle()
 606         {
 607                 global $wgOut,$wgTitle,$wgNamespacesWithSubpages;
 608                 $subpages = '';
 609                 if($wgOut->isArticle() && !empty($wgNamespacesWithSubpages[$wgTitle->getNamespace()])) {
 610                         $ptext=$wgTitle->getPrefixedText();
 611                         if(preg_match('/\//',$ptext)) {
 612                                 $links = explode('/',$ptext);
 613                                 $c = 0;
 614                                 $growinglink = '';
 615                                 foreach($links as $link) {
 616                                         $c++;
 617                                         if ($c<count($links)) {
 618                                                 $growinglink .= $link;
 619                                                 $getlink = $this->makeLink( $growinglink, $link );
 620                                                 if(preg_match('/class="new"/i',$getlink)) { break; } # this is a hack, but it saves time
 621                                                 if ($c>1) {
 622                                                         $subpages .= ' | ';
 623                                                 } else  {
 624                                                         $subpages .= '&lt; ';
 625                                                 }
 626                                                 $subpages .= $getlink;
 627                                                 $growinglink .= '/';
 628                                         }
 629                                 }
 630                         }
 631                 }
 632                 return $subpages;
 633         }
 634
 635         function nameAndLogin()
 636         {
 637                 global $wgUser, $wgTitle, $wgLang, $wgShowIPinHeader, $wgIP;
 638
 639                 $li = $wgLang->specialPage( 'Userlogin' );
 640                 $lo = $wgLang->specialPage( 'Userlogout' );
 641
 642                 $s = '';
 643                 if ( 0 == $wgUser->getID() ) {
 644                         if( $wgShowIPinHeader && isset(  $_COOKIE[ini_get('session.name')] ) ) {
 645                                 $n = $wgIP;
 646
 647                                 $tl = $this->makeKnownLink( $wgLang->getNsText(
 648                                   Namespace::getTalk( Namespace::getUser() ) ) . ":{$n}",
 649                                   $wgLang->getNsText( Namespace::getTalk( 0 ) ) );
 650
 651                                 $s .= $n . ' ('.$tl.')';
 652                         } else {
 653                                 $s .= wfMsg('notloggedin');
 654                         }
 655
 656                         $rt = $wgTitle->getPrefixedURL();
 657                         if ( 0 == strcasecmp( urlencode( $lo ), $rt ) ) {
 658                                 $q = '';
 659                         } else { $q = "returnto={$rt}"; }
 660
 661                         $s .= "\n<br />" . $this->makeKnownLink( $li,
 662                           wfMsg( 'login' ), $q );
 663                 } else {
 664                         $n = $wgUser->getName();
 665                         $rt = $wgTitle->getPrefixedURL();
 666                         $tl = $this->makeKnownLink( $wgLang->getNsText(
 667                           Namespace::getTalk( Namespace::getUser() ) ) . ":{$n}",
 668                           $wgLang->getNsText( Namespace::getTalk( 0 ) ) );
 669
 670                         $tl = " ({$tl})";
 671
 672                         $s .= $this->makeKnownLink( $wgLang->getNsText(
 673                           Namespace::getUser() ) . ":{$n}", $n ) . "{$tl}<br />" .
 674                           $this->makeKnownLink( $lo, wfMsg( 'logout' ),
 675                           "returnto={$rt}" ) . ' | ' .
 676                           $this->specialLink( 'preferences' );
 677                 }
 678                 $s .= ' | ' . $this->makeKnownLink( wfMsg( 'helppage' ),
 679                   wfMsg( 'help' ) );
 680
 681                 return $s;
 682         }
 683
 684         function getSearchLink() {
 685                 $searchPage =& Title::makeTitle( NS_SPECIAL, 'Search' );
 686                 return $searchPage->getLocalURL();
 687         }
 688
 689         function escapeSearchLink() {
 690                 return htmlspecialchars( $this->getSearchLink() );
 691         }
 692
 693         function searchForm()
 694         {
 695                 global $wgRequest;
 696                 $search = $wgRequest->getText( 'search' );
 697
 698                 $s = '<form name="search" class="inline" method="post" action="'
 699                   . $this->escapeSearchLink() . "\">\n"
 700                   . '<input type="text" name="search" size="19" value="'
 701                   . htmlspecialchars(substr($search,0,256)) . "\" />\n"
 702                   . '<input type="submit" name="go" value="' . wfMsg ('go') . '" />&nbsp;'
 703                   . '<input type="submit" name="fulltext" value="' . wfMsg ('search') . "\" />\n</form>";
 704
 705                 return $s;
 706         }
 707
 708         function topLinks()
 709         {
 710                 global $wgOut;
 711                 $sep = " |\n";
 712
 713                 $s = $this->mainPageLink() . $sep
 714                   . $this->specialLink( 'recentchanges' );
 715
 716                 if ( $wgOut->isArticleRelated() ) {
 717                         $s .=  $sep . $this->editThisPage()
 718                           . $sep . $this->historyLink();
 719                 }
 720                 # Many people don't like this dropdown box
 721                 #$s .= $sep . $this->specialPagesList();
 722
 723                 return $s;
 724         }
 725
 726         function bottomLinks()
 727         {
 728                 global $wgOut, $wgUser, $wgTitle;
 729                 $sep = " |\n";
 730
 731                 $s = '';
 732                 if ( $wgOut->isArticleRelated() ) {
 733                         $s .= '<strong>' . $this->editThisPage() . '</strong>';
 734                         if ( 0 != $wgUser->getID() ) {
 735                                 $s .= $sep . $this->watchThisPage();
 736                         }
 737                         $s .= $sep . $this->talkLink()
 738                           . $sep . $this->historyLink()
 739                           . $sep . $this->whatLinksHere()
 740                           . $sep . $this->watchPageLinksLink();
 741
 742                         if ( $wgTitle->getNamespace() == Namespace::getUser()
 743                             || $wgTitle->getNamespace() == Namespace::getTalk(Namespace::getUser()) )
 744
 745                         {
 746                                 $id=User::idFromName($wgTitle->getText());
 747                                 $ip=User::isIP($wgTitle->getText());
 748
 749                                 if($id || $ip) { # both anons and non-anons have contri list
 750                                         $s .= $sep . $this->userContribsLink();
 751                                 }
 752                                 if ( 0 != $wgUser->getID() ) { # show only to signed in users
 753                                         if($id) {       # can only email non-anons
 754                                                 $s .= $sep . $this->emailUserLink();
 755                                         }
 756                                 }
 757                         }
 758                         if ( $wgUser->isSysop() && $wgTitle->getArticleId() ) {
 759                                 $s .= "\n<br />" . $this->deleteThisPage() .
 760                                 $sep . $this->protectThisPage() .
 761                                 $sep . $this->moveThisPage();
 762                         }
 763                         $s .= "<br />\n" . $this->otherLanguages();
 764                 }
 765                 return $s;
 766         }
 767
 768         function pageStats()
 769         {
 770                 global $wgOut, $wgLang, $wgArticle, $wgRequest;
 771                 global $wgDisableCounters;
 772
 773                 extract( $wgRequest->getValues( 'oldid', 'diff' ) );
 774                 if ( ! $wgOut->isArticle() ) { return ''; }
 775                 if ( isset( $oldid ) || isset( $diff ) ) { return ''; }
 776                 if ( 0 == $wgArticle->getID() ) { return ''; }
 777
 778                 $s = '';
 779                 if ( !$wgDisableCounters ) {
 780                         $count = $wgLang->formatNum( $wgArticle->getCount() );
 781                         if ( $count ) {
 782                                 $s = wfMsg( 'viewcount', $count );
 783                         }
 784                 }
 785
 786                 $s .= ' ' . $this->getCredits();
 787
 788                 return $s . ' ' .  $this->getCopyright();
 789         }
 790
 791         function getCredits() {
 792                global $wgMaxCredits;
 793
 794                $s = '';
 795
 796                if (!isset($wgMaxCredits) || $wgMaxCredits == 0) {
 797                         $s = $this->lastModified();
 798                } else {
 799                         $s = $this->getAuthorCredits();
 800                         if ($wgMaxCredits > 1) {
 801                             $s .= ' ' . $this->getContributorCredits();
 802                         }
 803                }
 804
 805                return $s;
 806         }
 807
 808         function getAuthorCredits() {
 809                 global $wgLang, $wgArticle;
 810
 811                 $last_author = $wgArticle->getUser();
 812
 813                 if ($last_author == 0) {
 814                     $author_credit = wfMsg('anonymous');
 815                 } else {
 816                     $real_name = User::whoIsReal($last_author);
 817                     if (!empty($real_name)) {
 818                         $author_credit = $real_name;
 819                     } else {
 820                         $author_credit = wfMsg('siteuser', User::whoIs($last_author));
 821                     }
 822                 }
 823
 824                 $timestamp = $wgArticle->getTimestamp();
 825                 if ( $timestamp ) {
 826                         $d = $wgLang->timeanddate( $wgArticle->getTimestamp(), true );
 827                 } else {
 828                         $d = '';
 829                 }
 830                 return wfMsg('lastmodifiedby', $d, $author_credit);
 831         }
 832
 833         function getContributorCredits() {
 834
 835                 global $wgArticle, $wgMaxCredits, $wgLang;
 836
 837                 # don't count last editor
 838
 839                 $contributors = $wgArticle->getContributors($wgMaxCredits - 1);
 840
 841                 $real_names = array();
 842                 $user_names = array();
 843
 844                 # Sift for real versus user names
 845
 846                 foreach ($contributors as $user_id => $user_parts) {
 847                     if ($user_id != 0) {
 848                         if (!empty($user_parts[1])) {
 849                             $real_names[$user_id] = $user_parts[1];
 850                         } else {
 851                             $user_names[$user_id] = $user_parts[0];
 852                         }
 853                     }
 854                 }
 855
 856                 $real = $wgLang->listToText(array_values($real_names));
 857                 $user = $wgLang->listToText(array_values($user_names));
 858
 859                 if (!empty($user)) {
 860                     $user = wfMsg('siteusers', $user);
 861                 }
 862
 863                 if ($contributors[0] && $contributors[0][0] > 0) {
 864                     $anon = wfMsg('anonymous');
 865                 } else {
 866                     $anon = '';
 867                 }
 868
 869                 $creds = $wgLang->listToText(array($real, $user, $anon));
 870
 871                 return wfMsg('othercontribs', $creds);
 872         }
 873
 874         function getCopyright() {
 875                 global $wgRightsPage, $wgRightsUrl, $wgRightsText;
 876                 $out = '';
 877                 if( $wgRightsPage ) {
 878                         $link = $this->makeKnownLink( $wgRightsPage, $wgRightsText );
 879                 } elseif( $wgRightsUrl ) {
 880                         $link = $this->makeExternalLink( $wgRightsUrl, $wgRightsText );
 881                 } else {
 882                         # Give up now
 883                         return $out;
 884                 }
 885                 $out .= wfMsg( 'copyright', $link );
 886                 return $out;
 887         }
 888
 889         function getCopyrightIcon() {
 890                 global $wgRightsPage, $wgRightsUrl, $wgRightsText, $wgRightsIcon;
 891                 $out = '';
 892                 if( $wgRightsIcon ) {
 893                         $icon = htmlspecialchars( $wgRightsIcon );
 894                         if( $wgRightsUrl ) {
 895                                 $url = htmlspecialchars( $wgRightsUrl );
 896                                 $out .= '<a href="'.$url.'">';
 897                         }
 898                         $text = htmlspecialchars( $wgRightsText );
 899                         $out .= "<img src=\"$icon\" alt='$text' />";
 900                         if( $wgRightsUrl ) {
 901                                 $out .= '</a>';
 902                         }
 903                 }
 904                 return $out;
 905         }
 906
 907         function getPoweredBy() {
 908                 global $wgStylePath;
 909                 $url = htmlspecialchars( "$wgStylePath/images/poweredby_mediawiki_88x31.png" );
 910                 $img = '<a href="http://www.mediawiki.org/"><img src="'.$url.'" alt="MediaWiki" /></a>';
 911                 return $img;
 912         }
 913
 914         function lastModified()
 915         {
 916                 global $wgLang, $wgArticle;
 917
 918                 $timestamp = $wgArticle->getTimestamp();
 919                 if ( $timestamp ) {
 920                         $d = $wgLang->timeanddate( $wgArticle->getTimestamp(), true );
 921                         $s = ' ' . wfMsg( 'lastmodified', $d );
 922                 } else {
 923                         $s = '';
 924                 }
 925                 return $s;
 926         }
 927
 928         function logoText( $align = '' )
 929         {
 930                 if ( '' != $align ) { $a = ' align="'.$align.'"'; }
 931                 else { $a = ''; }
 932
 933                 $mp = wfMsg( 'mainpage' );
 934                 $titleObj = Title::newFromText( $mp );
 935                 $s = '<a href="' . $titleObj->escapeLocalURL()
 936                   . '"><img'.$a.' src="'
 937                   . $this->getLogo() . '" alt="' . "[{$mp}]\" /></a>";
 938                 return $s;
 939         }
 940
 941         function quickBar()
 942         {
 943                 global $wgOut, $wgTitle, $wgUser, $wgRequest, $wgLang;
 944                 global $wgDisableUploads, $wgRemoteUploads;
 945
 946                 $fname =  'Skin::quickBar';
 947                 wfProfileIn( $fname );
 948
 949                 $action = $wgRequest->getText( 'action' );
 950                 $wpPreview = $wgRequest->getBool( 'wpPreview' );
 951                 $tns=$wgTitle->getNamespace();
 952
 953                 $s = "\n<div id='quickbar'>";
 954                 $s .= "\n" . $this->logoText() . "\n<hr class='sep' />";
 955
 956                 $sep = "\n<br />";
 957                 $s .= $this->mainPageLink()
 958                   . $sep . $this->specialLink( 'recentchanges' )
 959                   . $sep . $this->specialLink( 'randompage' );
 960                 if ($wgUser->getID()) {
 961                 $s.= $sep . $this->specialLink( 'watchlist' ) ;
 962                 $s .= $sep .$this->makeKnownLink( $wgLang->specialPage( 'Contributions' ),
 963                   wfMsg( 'mycontris' ), 'target=' . wfUrlencode($wgUser->getName() ) );
 964
 965                 }
 966                 // only show watchlist link if logged in
 967                 if ( wfMsg ( 'currentevents' ) != '-' ) $s .= $sep . $this->makeKnownLink( wfMsg( 'currentevents' ), '' ) ;
 968                 $s .= "\n<br /><hr class='sep' />";
 969                 $articleExists = $wgTitle->getArticleId();
 970                 if ( $wgOut->isArticle() || $action =='edit' || $action =='history' || $wpPreview) {
 971                         if($wgOut->isArticle()) {
 972                                 $s .= '<strong>' . $this->editThisPage() . '</strong>';
 973                         } else { # backlink to the article in edit or history mode
 974                                 if($articleExists){ # no backlink if no article
 975                                         switch($tns) {
 976                                                 case 0:
 977                                                 $text = wfMsg('articlepage');
 978                                                 break;
 979                                                 case 1:
 980                                                 $text = wfMsg('viewtalkpage');
 981                                                 break;
 982                                                 case 2:
 983                                                 $text = wfMsg('userpage');
 984                                                 break;
 985                                                 case 3:
 986                                                 $text = wfMsg('viewtalkpage');
 987                                                 break;
 988                                                 case 4:
 989                                                 $text = wfMsg('wikipediapage');
 990                                                 break;
 991                                                 case 5:
 992                                                 $text = wfMsg('viewtalkpage');
 993                                                 break;
 994                                                 case 6:
 995                                                 $text = wfMsg('imagepage');
 996                                                 break;
 997                                                 case 7:
 998                                                 $text = wfMsg('viewtalkpage');
 999                                                 break;
1000                                                 default:
1001                                                 $text= wfMsg('articlepage');
1002                                         }
1003
1004                                         $link = $wgTitle->getText();
1005                                         if ($nstext = $wgLang->getNsText($tns) ) { # add namespace if necessary
1006                                                 $link = $nstext . ':' . $link ;
1007                                         }
1008
1009                                         $s .= $this->makeLink( $link, $text );
1010                                 } elseif( $wgTitle->getNamespace() != Namespace::getSpecial() ) {
1011                                         # we just throw in a "New page" text to tell the user that he's in edit mode,
1012                                         # and to avoid messing with the separator that is prepended to the next item
1013                                         $s .= '<strong>' . wfMsg('newpage') . '</strong>';
1014                                 }
1015
1016                         }
1017
1018
1019                         if( $tns%2 && $action!='edit' && !$wpPreview) {
1020                                 $s.= '<br />'.$this->makeKnownLink($wgTitle->getPrefixedText(),wfMsg('postcomment'),'action=edit&section=new');
1021                         }
1022
1023                         /*
1024                         watching could cause problems in edit mode:
1025                         if user edits article, then loads "watch this article" in background and then saves
1026                         article with "Watch this article" checkbox disabled, the article is transparently
1027                         unwatched. Therefore we do not show the "Watch this page" link in edit mode
1028                         */
1029                         if ( 0 != $wgUser->getID() && $articleExists) {
1030                                 if($action!='edit' && $action != 'submit' )
1031                                 {
1032                                         $s .= $sep . $this->watchThisPage();
1033                                 }
1034                                 if ( $wgTitle->userCanEdit() )
1035                                         $s .= $sep . $this->moveThisPage();
1036                         }
1037                         if ( $wgUser->isSysop() and $articleExists ) {
1038                                 $s .= $sep . $this->deleteThisPage() .
1039                                 $sep . $this->protectThisPage();
1040                         }
1041                         $s .= $sep . $this->talkLink();
1042                         if ($articleExists && $action !='history') {
1043                                 $s .= $sep . $this->historyLink();
1044                         }
1045                         $s.=$sep . $this->whatLinksHere();
1046
1047                         if($wgOut->isArticleRelated()) {
1048                                 $s .= $sep . $this->watchPageLinksLink();
1049                         }
1050
1051                         if ( Namespace::getUser() == $wgTitle->getNamespace()
1052                         || $wgTitle->getNamespace() == Namespace::getTalk(Namespace::getUser())
1053                         ) {
1054
1055                                 $id=User::idFromName($wgTitle->getText());
1056                                 $ip=User::isIP($wgTitle->getText());
1057
1058                                 if($id||$ip) {
1059                                         $s .= $sep . $this->userContribsLink();
1060                                 }
1061                                 if ( 0 != $wgUser->getID() ) {
1062                                         if($id) { # can only email real users
1063                                                 $s .= $sep . $this->emailUserLink();
1064                                         }
1065                                 }
1066                         }
1067                         $s .= "\n<br /><hr class='sep' />";
1068                 }
1069
1070                 if ( 0 != $wgUser->getID() && ( !$wgDisableUploads || $wgRemoteUploads ) ) {
1071                         $s .= $this->specialLink( 'upload' ) . $sep;
1072                 }
1073                 $s .= $this->specialLink( 'specialpages' )
1074                   . $sep . $this->bugReportsLink();
1075
1076                 global $wgSiteSupportPage;
1077                 if( $wgSiteSupportPage ) {
1078                         $s .= "\n<br /><a href=\"" . htmlspecialchars( $wgSiteSupportPage ) .
1079                           '" class="internal">' . wfMsg( 'sitesupport' ) . '</a>';
1080                 }
1081
1082                 $s .= "\n<br /></div>\n";
1083                 wfProfileOut( $fname );
1084                 return $s;
1085         }
1086
1087         function specialPagesList()
1088         {
1089                 global $wgUser, $wgOut, $wgLang, $wgServer, $wgRedirectScript;
1090                 require_once('SpecialPage.php');
1091                 $a = array();
1092                 $pages = SpecialPage::getPages();
1093
1094                 foreach ( $pages[''] as $name => $page ) {
1095                         $a[$name] = $page->getDescription();
1096                 }
1097                 if ( $wgUser->isSysop() )
1098                 {
1099                         foreach ( $pages['sysop'] as $name => $page ) {
1100                                 $a[$name] = $page->getDescription();
1101                         }
1102                 }
1103                 if ( $wgUser->isDeveloper() )
1104                 {
1105                         foreach ( $pages['developer'] as $name => $page ) {
1106                                 $a[$name] = $page->getDescription() ;
1107                         }
1108                 }
1109                 $go = wfMsg( 'go' );
1110                 $sp = wfMsg( 'specialpages' );
1111                 $spp = $wgLang->specialPage( 'Specialpages' );
1112
1113                 $s = '<form id="specialpages" method="get" class="inline" ' .
1114                   'action="' . htmlspecialchars( "{$wgServer}{$wgRedirectScript}" ) . "\">\n";
1115                 $s .= "<select name=\"wpDropdown\">\n";
1116                 $s .= "<option value=\"{$spp}\">{$sp}</option>\n";
1117
1118                 foreach ( $a as $name => $desc ) {
1119                         $p = $wgLang->specialPage( $name );
1120                         $s .= "<option value=\"{$p}\">{$desc}</option>\n";
1121                 }
1122                 $s .= "</select>\n";
1123                 $s .= "<input type='submit' value=\"{$go}\" name='redirect' />\n";
1124                 $s .= "</form>\n";
1125                 return $s;
1126         }
1127
1128         function mainPageLink()
1129         {
1130                 $mp = wfMsg( 'mainpage' );
1131                 $s = $this->makeKnownLink( $mp, $mp );
1132                 return $s;
1133         }
1134
1135         function copyrightLink()
1136         {
1137                 $s = $this->makeKnownLink( wfMsg( 'copyrightpage' ),
1138                   wfMsg( 'copyrightpagename' ) );
1139                 return $s;
1140         }
1141
1142         function aboutLink()
1143         {
1144                 $s = $this->makeKnownLink( wfMsg( 'aboutpage' ),
1145                   wfMsg( 'aboutwikipedia' ) );
1146                 return $s;
1147         }
1148
1149
1150       function disclaimerLink()
1151         {
1152                 $s = $this->makeKnownLink( wfMsg( 'disclaimerpage' ),
1153                   wfMsg( 'disclaimers' ) );
1154                 return $s;
1155         }
1156
1157         function editThisPage()
1158         {
1159                 global $wgOut, $wgTitle, $wgRequest;
1160
1161                 $oldid = $wgRequest->getVal( 'oldid' );
1162                 $diff = $wgRequest->getVal( 'diff' );
1163                 $redirect = $wgRequest->getVal( 'redirect' );
1164
1165                 if ( ! $wgOut->isArticleRelated() ) {
1166                         $s = wfMsg( 'protectedpage' );
1167                 } else {
1168                         $n = $wgTitle->getPrefixedText();
1169                         if ( $wgTitle->userCanEdit() ) {
1170                                 $t = wfMsg( 'editthispage' );
1171                         } else {
1172                                 #$t = wfMsg( "protectedpage" );
1173                                 $t = wfMsg( 'viewsource' );
1174                         }
1175                         $oid = $red = '';
1176
1177                         if ( !is_null( $redirect ) ) { $red = "&redirect={$redirect}"; }
1178                         if ( $oldid && ! isset( $diff ) ) {
1179                                 $oid = "&oldid={$oldid}";
1180                         }
1181                         $s = $this->makeKnownLink( $n, $t, "action=edit{$oid}{$red}" );
1182                 }
1183                 return $s;
1184         }
1185
1186         function deleteThisPage()
1187         {
1188                 global $wgUser, $wgOut, $wgTitle, $wgRequest;
1189
1190                 $diff = $wgRequest->getVal( 'diff' );
1191                 if ( $wgTitle->getArticleId() && ( ! $diff ) && $wgUser->isSysop() ) {
1192                         $n = $wgTitle->getPrefixedText();
1193                         $t = wfMsg( 'deletethispage' );
1194
1195                         $s = $this->makeKnownLink( $n, $t, 'action=delete' );
1196                 } else {
1197                         $s = '';
1198                 }
1199                 return $s;
1200         }
1201
1202         function protectThisPage()
1203         {
1204                 global $wgUser, $wgOut, $wgTitle, $wgRequest;
1205
1206                 $diff = $wgRequest->getVal( 'diff' );
1207                 if ( $wgTitle->getArticleId() && ( ! $diff ) && $wgUser->isSysop() ) {
1208                         $n = $wgTitle->getPrefixedText();
1209
1210                         if ( $wgTitle->isProtected() ) {
1211                                 $t = wfMsg( 'unprotectthispage' );
1212                                 $q = 'action=unprotect';
1213                         } else {
1214                                 $t = wfMsg( 'protectthispage' );
1215                                 $q = 'action=protect';
1216                         }
1217                         $s = $this->makeKnownLink( $n, $t, $q );
1218                 } else {
1219                         $s = '';
1220                 }
1221                 return $s;
1222         }
1223
1224         function watchThisPage()
1225         {
1226                 global $wgUser, $wgOut, $wgTitle;
1227
1228                 if ( $wgOut->isArticleRelated() ) {
1229                         $n = $wgTitle->getPrefixedText();
1230
1231                         if ( $wgTitle->userIsWatching() ) {
1232                                 $t = wfMsg( 'unwatchthispage' );
1233                                 $q = 'action=unwatch';
1234                         } else {
1235                                 $t = wfMsg( 'watchthispage' );
1236                                 $q = 'action=watch';
1237                         }
1238                         $s = $this->makeKnownLink( $n, $t, $q );
1239                 } else {
1240                         $s = wfMsg( 'notanarticle' );
1241                 }
1242                 return $s;
1243         }
1244
1245         function moveThisPage()
1246         {
1247                 global $wgTitle, $wgLang;
1248
1249                 if ( $wgTitle->userCanEdit() ) {
1250                         $s = $this->makeKnownLink( $wgLang->specialPage( 'Movepage' ),
1251                           wfMsg( 'movethispage' ), 'target=' . $wgTitle->getPrefixedURL() );
1252                 } // no message if page is protected - would be redundant
1253                 return $s;
1254         }
1255
1256         function historyLink()
1257         {
1258                 global $wgTitle;
1259
1260                 $s = $this->makeKnownLink( $wgTitle->getPrefixedText(),
1261                   wfMsg( 'history' ), 'action=history' );
1262                 return $s;
1263         }
1264
1265         function whatLinksHere()
1266         {
1267                 global $wgTitle, $wgLang;
1268
1269                 $s = $this->makeKnownLink( $wgLang->specialPage( 'Whatlinkshere' ),
1270                   wfMsg( 'whatlinkshere' ), 'target=' . $wgTitle->getPrefixedURL() );
1271                 return $s;
1272         }
1273
1274         function userContribsLink()
1275         {
1276                 global $wgTitle, $wgLang;
1277
1278                 $s = $this->makeKnownLink( $wgLang->specialPage( 'Contributions' ),
1279                   wfMsg( 'contributions' ), 'target=' . $wgTitle->getPartialURL() );
1280                 return $s;
1281         }
1282
1283         function emailUserLink()
1284         {
1285                 global $wgTitle, $wgLang;
1286
1287                 $s = $this->makeKnownLink( $wgLang->specialPage( 'Emailuser' ),
1288                   wfMsg( 'emailuser' ), 'target=' . $wgTitle->getPartialURL() );
1289                 return $s;
1290         }
1291
1292         function watchPageLinksLink()
1293         {
1294                 global $wgOut, $wgTitle, $wgLang;
1295
1296                 if ( ! $wgOut->isArticleRelated() ) {
1297                         $s = '(' . wfMsg( 'notanarticle' ) . ')';
1298                 } else {
1299                         $s = $this->makeKnownLink( $wgLang->specialPage(
1300                           'Recentchangeslinked' ), wfMsg( 'recentchangeslinked' ),
1301                           'target=' . $wgTitle->getPrefixedURL() );
1302                 }
1303                 return $s;
1304         }
1305
1306         function otherLanguages()
1307         {
1308                 global $wgOut, $wgLang, $wgTitle, $wgUseNewInterlanguage;
1309
1310                 $a = $wgOut->getLanguageLinks();
1311                 if ( 0 == count( $a ) ) {
1312                         if ( !$wgUseNewInterlanguage ) return '';
1313                         $ns = $wgLang->getNsIndex ( $wgTitle->getNamespace () ) ;
1314                         if ( $ns != 0 AND $ns != 1 ) return '' ;
1315                         $pn = 'Intl' ;
1316                         $x = 'mode=addlink&xt='.$wgTitle->getDBkey() ;
1317                         return $this->makeKnownLink( $wgLang->specialPage( $pn ),
1318                                   wfMsg( 'intl' ) , $x );
1319                         }
1320
1321                 if ( !$wgUseNewInterlanguage ) {
1322                         $s = wfMsg( 'otherlanguages' ) . ': ';
1323                 } else {
1324                         global $wgLanguageCode ;
1325                         $x = 'mode=zoom&xt='.$wgTitle->getDBkey() ;
1326                         $x .= '&xl='.$wgLanguageCode ;
1327                         $s =  $this->makeKnownLink( $wgLang->specialPage( 'Intl' ),
1328                                   wfMsg( 'otherlanguages' ) , $x ) . ': ' ;
1329                         }
1330
1331                 $s = wfMsg( 'otherlanguages' ) . ': ';
1332                 $first = true;
1333                 if($wgLang->isRTL()) $s .= '<span dir="LTR">';
1334                 foreach( $a as $l ) {
1335                         if ( ! $first ) { $s .= ' | '; }
1336                         $first = false;
1337
1338                         $nt = Title::newFromText( $l );
1339                         $url = $nt->getFullURL();
1340                         $text = $wgLang->getLanguageName( $nt->getInterwiki() );
1341
1342                         if ( '' == $text ) { $text = $l; }
1343                         $style = $this->getExternalLinkAttributes( $l, $text );
1344                         $s .= "<a href=\"{$url}\"{$style}>{$text}</a>";
1345                 }
1346                 if($wgLang->isRTL()) $s .= '</span>';
1347                 return $s;
1348         }
1349
1350         function bugReportsLink()
1351         {
1352                 $s = $this->makeKnownLink( wfMsg( 'bugreportspage' ),
1353                   wfMsg( 'bugreports' ) );
1354                 return $s;
1355         }
1356
1357         function dateLink()
1358         {
1359                 global $wgLinkCache;
1360                 $t1 = Title::newFromText( gmdate( 'F j' ) );
1361                 $t2 = Title::newFromText( gmdate( 'Y' ) );
1362
1363                 $wgLinkCache->suspend();
1364                 $id = $t1->getArticleID();
1365                 $wgLinkCache->resume();
1366
1367                 if ( 0 == $id ) {
1368                         $s = $this->makeBrokenLink( $t1->getText() );
1369                 } else {
1370                         $s = $this->makeKnownLink( $t1->getText() );
1371                 }
1372                 $s .= ', ';
1373
1374                 $wgLinkCache->suspend();
1375                 $id = $t2->getArticleID();
1376                 $wgLinkCache->resume();
1377
1378                 if ( 0 == $id ) {
1379                         $s .= $this->makeBrokenLink( $t2->getText() );
1380                 } else {
1381                         $s .= $this->makeKnownLink( $t2->getText() );
1382                 }
1383                 return $s;
1384         }
1385
1386         function talkLink()
1387         {
1388                 global $wgLang, $wgTitle, $wgLinkCache;
1389
1390                 $tns = $wgTitle->getNamespace();
1391                 if ( -1 == $tns ) { return ''; }
1392
1393                 $pn = $wgTitle->getText();
1394                 $tp = wfMsg( 'talkpage' );
1395                 if ( Namespace::isTalk( $tns ) ) {
1396                         $lns = Namespace::getSubject( $tns );
1397                         switch($tns) {
1398                                 case 1:
1399                                 $text = wfMsg('articlepage');
1400                                 break;
1401                                 case 3:
1402                                 $text = wfMsg('userpage');
1403                                 break;
1404                                 case 5:
1405                                 $text = wfMsg('wikipediapage');
1406                                 break;
1407                                 case 7:
1408                                 $text = wfMsg('imagepage');
1409                                 break;
1410                                 default:
1411                                 $text= wfMsg('articlepage');
1412                         }
1413                 } else {
1414
1415                         $lns = Namespace::getTalk( $tns );
1416                         $text=$tp;
1417                 }
1418                 $n = $wgLang->getNsText( $lns );
1419                 if ( '' == $n ) { $link = $pn; }
1420                 else { $link = $n.':'.$pn; }
1421
1422                 $wgLinkCache->suspend();
1423                 $s = $this->makeLink( $link, $text );
1424                 $wgLinkCache->resume();
1425
1426                 return $s;
1427         }
1428
1429         function commentLink()
1430         {
1431                 global $wgLang, $wgTitle, $wgLinkCache;
1432
1433                 $tns = $wgTitle->getNamespace();
1434                 if ( -1 == $tns ) { return ''; }
1435
1436                 $lns = ( Namespace::isTalk( $tns ) ) ? $tns : Namespace::getTalk( $tns );
1437
1438                 # assert Namespace::isTalk( $lns )
1439
1440                 $n = $wgLang->getNsText( $lns );
1441                 $pn = $wgTitle->getText();
1442
1443                 $link = $n.':'.$pn;
1444
1445                 $wgLinkCache->suspend();
1446                 $s = $this->makeKnownLink($link, wfMsg('postcomment'), 'action=edit&section=new');
1447                 $wgLinkCache->resume();
1448
1449                 return $s;
1450         }
1451
1452         # After all the page content is transformed into HTML, it makes
1453         # a final pass through here for things like table backgrounds.
1454         #
1455         function transformContent( $text )
1456         {
1457                 return $text;
1458         }
1459
1460         # Note: This function MUST call getArticleID() on the link,
1461         # otherwise the cache won't get updated properly.  See LINKCACHE.DOC.
1462         #
1463         function makeLink( $title, $text = '', $query = '', $trail = '' ) {
1464                 wfProfileIn( 'Skin::makeLink' );
1465                 $nt = Title::newFromText( $title );
1466                 if ($nt) {
1467                         $result = $this->makeLinkObj( Title::newFromText( $title ), $text, $query, $trail );
1468                 } else {
1469                         wfDebug( 'Invalid title passed to Skin::makeLink(): "'.$title."\"\n" );
1470                         $result = $text == "" ? $title : $text;
1471                 }
1472
1473                 wfProfileOut( 'Skin::makeLink' );
1474                 return $result;
1475         }
1476
1477         function makeKnownLink( $title, $text = '', $query = '', $trail = '', $prefix = '',$aprops = '') {
1478                 $nt = Title::newFromText( $title );
1479                 if ($nt) {
1480                         return $this->makeKnownLinkObj( Title::newFromText( $title ), $text, $query, $trail, $prefix , $aprops );
1481                 } else {
1482                         wfDebug( 'Invalid title passed to Skin::makeKnownLink(): "'.$title."\"\n" );
1483                         return $text == '' ? $title : $text;
1484                 }
1485         }
1486
1487         function makeBrokenLink( $title, $text = '', $query = '', $trail = '' ) {
1488                 $nt = Title::newFromText( $title );
1489                 if ($nt) {
1490                         return $this->makeBrokenLinkObj( Title::newFromText( $title ), $text, $query, $trail );
1491                 } else {
1492                         wfDebug( 'Invalid title passed to Skin::makeBrokenLink(): "'.$title."\"\n" );
1493                         return $text == '' ? $title : $text;
1494                 }
1495         }
1496
1497         function makeStubLink( $title, $text = '', $query = '', $trail = '' ) {
1498                 $nt = Title::newFromText( $title );
1499                 if ($nt) {
1500                         return $this->makeStubLinkObj( Title::newFromText( $title ), $text, $query, $trail );
1501                 } else {
1502                         wfDebug( 'Invalid title passed to Skin::makeStubLink(): "'.$title."\"\n" );
1503                         return $text == '' ? $title : $text;
1504                 }
1505         }
1506
1507         # Pass a title object, not a title string
1508         function makeLinkObj( &$nt, $text= '', $query = '', $trail = '', $prefix = '' )
1509         {
1510                 global $wgOut, $wgUser;
1511                 if ( $nt->isExternal() ) {
1512                         $u = $nt->getFullURL();
1513                         $link = $nt->getPrefixedURL();
1514                         if ( '' == $text ) { $text = $nt->getPrefixedText(); }
1515                         $style = $this->getExternalLinkAttributes( $link, $text, 'extiw' );
1516
1517                         $inside = '';
1518                         if ( '' != $trail ) {
1519                                 if ( preg_match( '/^([a-z]+)(.*)$$/sD', $trail, $m ) ) {
1520                                         $inside = $m[1];
1521                                         $trail = $m[2];
1522                                 }
1523                         }
1524                         $retVal = "<a href=\"{$u}\"{$style}>{$text}{$inside}</a>{$trail}";
1525                 } elseif ( 0 == $nt->getNamespace() && "" == $nt->getText() ) {
1526                         $retVal = $this->makeKnownLinkObj( $nt, $text, $query, $trail, $prefix );
1527                 } elseif ( ( -1 == $nt->getNamespace() ) ||
1528                                 ( Namespace::getImage() == $nt->getNamespace() ) ) {
1529                         $retVal = $this->makeKnownLinkObj( $nt, $text, $query, $trail, $prefix );
1530                 } else {
1531                         $aid = $nt->getArticleID() ;
1532                         if ( 0 == $aid ) {
1533                                 $retVal = $this->makeBrokenLinkObj( $nt, $text, $query, $trail, $prefix );
1534                         } else {
1535                                 $threshold = $wgUser->getOption('stubthreshold') ;
1536                                 if ( $threshold > 0 ) {
1537                                         $res = wfQuery ( "SELECT LENGTH(cur_text) AS x, cur_namespace, cur_is_redirect FROM cur WHERE cur_id='{$aid}'", DB_READ ) ;
1538
1539                                         if ( wfNumRows( $res ) > 0 ) {
1540                                                 $s = wfFetchObject( $res );
1541                                                 $size = $s->x;
1542                                                 if ( $s->cur_is_redirect OR $s->cur_namespace != 0 ) {
1543                                                         $size = $threshold*2 ; # Really big
1544                                                 }
1545                                                 wfFreeResult( $res );
1546                                         } else {
1547                                                 $size = $threshold*2 ; # Really big
1548                                         }
1549                                 } else {
1550                                         $size = 1 ;
1551                                 }
1552                                 if ( $size < $threshold ) {
1553                                         $retVal = $this->makeStubLinkObj( $nt, $text, $query, $trail, $prefix );
1554                                 } else {
1555                                         $retVal = $this->makeKnownLinkObj( $nt, $text, $query, $trail, $prefix );
1556                                 }
1557                         }
1558                 }
1559                 return $retVal;
1560         }
1561
1562         # Pass a title object, not a title string
1563         function makeKnownLinkObj( &$nt, $text = '', $query = '', $trail = '', $prefix = '' , $aprops = '')
1564         {
1565                 global $wgOut, $wgTitle, $wgInputEncoding;
1566
1567                 $fname = 'Skin::makeKnownLinkObj';
1568                 wfProfileIn( $fname );
1569
1570                 $link = $nt->getPrefixedURL();
1571
1572                 if ( '' == $link ) {
1573                         $u = '';
1574                         if ( '' == $text ) {
1575                                 $text = htmlspecialchars( $nt->getFragment() );
1576                         }
1577                 } else {
1578                         $u = $nt->escapeLocalURL( $query );
1579                 }
1580                 if ( '' != $nt->getFragment() ) {
1581                         $anchor = urlencode( do_html_entity_decode( str_replace(' ', '_', $nt->getFragment()), ENT_COMPAT, $wgInputEncoding ) );
1582                         $replacearray = array(
1583                                 '%3A' => ':',
1584                                 '%' => '.'
1585                         );
1586                         $u .= '#' . str_replace(array_keys($replacearray),array_values($replacearray),$anchor);
1587                 }
1588                 if ( '' == $text ) {
1589                         $text = htmlspecialchars( $nt->getPrefixedText() );
1590                 }
1591                 $style = $this->getInternalLinkAttributesObj( $nt, $text );
1592
1593                 $inside = '';
1594                 if ( '' != $trail ) {
1595                         if ( preg_match( $this->linktrail, $trail, $m ) ) {
1596                                 $inside = $m[1];
1597                                 $trail = $m[2];
1598                         }
1599                 }
1600                 $r = "<a href=\"{$u}\"{$style}{$aprops}>{$prefix}{$text}{$inside}</a>{$trail}";
1601                 wfProfileOut( $fname );
1602                 return $r;
1603         }
1604
1605         # Pass a title object, not a title string
1606         function makeBrokenLinkObj( &$nt, $text = '', $query = '', $trail = '', $prefix = '' )
1607         {
1608                 global $wgOut, $wgUser;
1609
1610                 $fname = 'Skin::makeBrokenLinkObj';
1611                 wfProfileIn( $fname );
1612
1613                 if ( '' == $query ) {
1614                         $q = 'action=edit';
1615                 } else {
1616                         $q = 'action=edit&'.$query;
1617                 }
1618                 $u = $nt->escapeLocalURL( $q );
1619
1620                 if ( '' == $text ) {
1621                         $text = htmlspecialchars( $nt->getPrefixedText() );
1622                 }
1623                 $style = $this->getInternalLinkAttributesObj( $nt, $text, "yes" );
1624
1625                 $inside = '';
1626                 if ( '' != $trail ) {
1627                         if ( preg_match( $this->linktrail, $trail, $m ) ) {
1628                                 $inside = $m[1];
1629                                 $trail = $m[2];
1630                         }
1631                 }
1632                 if ( $wgUser->getOption( 'highlightbroken' ) ) {
1633                         $s = "<a href=\"{$u}\"{$style}>{$prefix}{$text}{$inside}</a>{$trail}";
1634                 } else {
1635                         $s = "{$prefix}{$text}{$inside}<a href=\"{$u}\"{$style}>?</a>{$trail}";
1636                 }
1637
1638                 wfProfileOut( $fname );
1639                 return $s;
1640         }
1641
1642         # Pass a title object, not a title string
1643         function makeStubLinkObj( &$nt, $text = '', $query = '', $trail = '', $prefix = '' )
1644         {
1645                 global $wgOut, $wgUser;
1646
1647                 $link = $nt->getPrefixedURL();
1648
1649                 $u = $nt->escapeLocalURL( $query );
1650
1651                 if ( '' == $text ) {
1652                         $text = htmlspecialchars( $nt->getPrefixedText() );
1653                 }
1654                 $style = $this->getInternalLinkAttributesObj( $nt, $text, 'stub' );
1655
1656                 $inside = '';
1657                 if ( '' != $trail ) {
1658                         if ( preg_match( $this->linktrail, $trail, $m ) ) {
1659                                 $inside = $m[1];
1660                                 $trail = $m[2];
1661                         }
1662                 }
1663                 if ( $wgUser->getOption( 'highlightbroken' ) ) {
1664                         $s = "<a href=\"{$u}\"{$style}>{$prefix}{$text}{$inside}</a>{$trail}";
1665                 } else {
1666                         $s = "{$prefix}{$text}{$inside}<a href=\"{$u}\"{$style}>!</a>{$trail}";
1667                 }
1668                 return $s;
1669         }
1670
1671         function makeSelfLinkObj( &$nt, $text = '', $query = '', $trail = '', $prefix = '' )
1672         {
1673                 $u = $nt->escapeLocalURL( $query );
1674                 if ( '' == $text ) {
1675                         $text = htmlspecialchars( $nt->getPrefixedText() );
1676                 }
1677                 $inside = '';
1678                 if ( '' != $trail ) {
1679                         if ( preg_match( $this->linktrail, $trail, $m ) ) {
1680                                 $inside = $m[1];
1681                                 $trail = $m[2];
1682                         }
1683                 }
1684                 return "<strong>{$prefix}{$text}{$inside}</strong>{$trail}";
1685         }
1686
1687         /* these are used extensively in SkinPHPTal, but also some other places */
1688         /*static*/ function makeSpecialUrl( $name, $urlaction='' ) {
1689                 $title = Title::makeTitle( NS_SPECIAL, $name );
1690                 $this->checkTitle($title, $name);
1691                 return $title->getLocalURL( $urlaction );
1692         }
1693         /*static*/ function makeTalkUrl ( $name, $urlaction='' ) {
1694                 $title = Title::newFromText( $name );
1695                 $title = $title->getTalkPage();
1696                 $this->checkTitle($title, $name);
1697                 return $title->getLocalURL( $urlaction );
1698         }
1699         /*static*/ function makeArticleUrl ( $name, $urlaction='' ) {
1700                 $title = Title::newFromText( $name );
1701                 $title= $title->getSubjectPage();
1702                 $this->checkTitle($title, $name);
1703                 return $title->getLocalURL( $urlaction );
1704         }
1705         /*static*/ function makeI18nUrl ( $name, $urlaction='' ) {
1706                 $title = Title::newFromText( wfMsg($name) );
1707                 $this->checkTitle($title, $name);
1708                 return $title->getLocalURL( $urlaction );
1709         }
1710         /*static*/ function makeUrl ( $name, $urlaction='' ) {
1711                 $title = Title::newFromText( $name );
1712                 $this->checkTitle($title, $name);
1713                 return $title->getLocalURL( $urlaction );
1714         }
1715         # this can be passed the NS number as defined in Language.php
1716         /*static*/ function makeNSUrl( $name, $urlaction='', $namespace=0 ) {
1717                 $title = Title::makeTitle( $namespace, $name );
1718                 $this->checkTitle($title, $name);
1719                 return $title->getLocalURL( $urlaction );
1720         }
1721
1722         /* these return an array with the 'href' and boolean 'exists' */
1723         /*static*/ function makeUrlDetails ( $name, $urlaction='' ) {
1724                 $title = Title::newFromText( $name );
1725                 $this->checkTitle($title, $name);
1726                 return array(
1727                         'href' => $title->getLocalURL( $urlaction ),
1728                         'exists' => $title->getArticleID() != 0?true:false
1729                 );
1730         }
1731         /*static*/ function makeTalkUrlDetails ( $name, $urlaction='' ) {
1732                 $title = Title::newFromText( $name );
1733                 $title = $title->getTalkPage();
1734                 $this->checkTitle($title, $name);
1735                 return array(
1736                         'href' => $title->getLocalURL( $urlaction ),
1737                         'exists' => $title->getArticleID() != 0?true:false
1738                 );
1739         }
1740         /*static*/ function makeArticleUrlDetails ( $name, $urlaction='' ) {
1741                 $title = Title::newFromText( $name );
1742                 $title= $title->getSubjectPage();
1743                 $this->checkTitle($title, $name);
1744                 return array(
1745                         'href' => $title->getLocalURL( $urlaction ),
1746                         'exists' => $title->getArticleID() != 0?true:false
1747                 );
1748         }
1749         /*static*/ function makeI18nUrlDetails ( $name, $urlaction='' ) {
1750                 $title = Title::newFromText( wfMsg($name) );
1751                 $this->checkTitle($title, $name);
1752                 return array(
1753                         'href' => $title->getLocalURL( $urlaction ),
1754                         'exists' => $title->getArticleID() != 0?true:false
1755                 );
1756         }
1757
1758         # make sure we have some title to operate on
1759         /*static*/ function checkTitle ( &$title, &$name ) {
1760                 if(!is_object($title)) {
1761                         $title = Title::newFromText( $name );
1762                         if(!is_object($title)) {
1763                                 $title = Title::newFromText( '<error: link target missing>' );
1764                         }
1765                 }
1766         }
1767
1768         function fnamePart( $url )
1769         {
1770                 $basename = strrchr( $url, '/' );
1771                 if ( false === $basename ) { $basename = $url; }
1772                 else { $basename = substr( $basename, 1 ); }
1773                 return wfEscapeHTML( $basename );
1774         }
1775
1776         function makeImage( $url, $alt = '' )
1777         {
1778                 global $wgOut;
1779
1780                 if ( '' == $alt ) { $alt = $this->fnamePart( $url ); }
1781                 $s = '<img src="'.$url.'" alt="'.$alt.'" />';
1782                 return $s;
1783         }
1784
1785         function makeImageLink( $name, $url, $alt = '' ) {
1786                 $nt = Title::makeTitle( Namespace::getImage(), $name );
1787                 return $this->makeImageLinkObj( $nt, $alt );
1788         }
1789
1790         function makeImageLinkObj( $nt, $alt = '' ) {
1791                 global $wgLang, $wgUseImageResize;
1792                 $img   = Image::newFromTitle( $nt );
1793                 $url   = $img->getURL();
1794
1795                 $align = '';
1796                 $prefix = $postfix = '';
1797
1798                 if ( $wgUseImageResize ) {
1799                         # Check if the alt text is of the form "options|alt text"
1800                         # Options are:
1801                         #  * thumbnail          make a thumbnail with enlarge-icon and caption, alignment depends on lang
1802                         #  * left               no resizing, just left align. label is used for alt= only
1803                         #  * right              same, but right aligned
1804                         #  * none               same, but not aligned
1805                         #  * ___px              scale to ___ pixels width, no aligning. e.g. use in taxobox
1806                         #  * center             center the image
1807                         #  * framed             Keep original image size, no magnify-button.
1808
1809                         $part = explode( '|', $alt);
1810
1811                         $mwThumb  =& MagicWord::get( MAG_IMG_THUMBNAIL );
1812                         $mwLeft   =& MagicWord::get( MAG_IMG_LEFT );
1813                         $mwRight  =& MagicWord::get( MAG_IMG_RIGHT );
1814                         $mwNone   =& MagicWord::get( MAG_IMG_NONE );
1815                         $mwWidth  =& MagicWord::get( MAG_IMG_WIDTH );
1816                         $mwCenter =& MagicWord::get( MAG_IMG_CENTER );
1817                         $mwFramed =& MagicWord::get( MAG_IMG_FRAMED );
1818                         $alt = $part[count($part)-1];
1819
1820                         $height = $framed = $thumb = false;
1821
1822                         foreach( $part as $key => $val ) {
1823                                 if ( ! is_null( $mwThumb->matchVariableStartToEnd($val) ) ) {
1824                                         $thumb=true;
1825                                 } elseif ( ! is_null( $mwRight->matchVariableStartToEnd($val) ) ) {
1826                                         # remember to set an alignment, don't render immediately
1827                                         $align = 'right';
1828                                 } elseif ( ! is_null( $mwLeft->matchVariableStartToEnd($val) ) ) {
1829                                         # remember to set an alignment, don't render immediately
1830                                         $align = 'left';
1831                                 } elseif ( ! is_null( $mwCenter->matchVariableStartToEnd($val) ) ) {
1832                                         # remember to set an alignment, don't render immediately
1833                                         $align = 'center';
1834                                 } elseif ( ! is_null( $mwNone->matchVariableStartToEnd($val) ) ) {
1835                                         # remember to set an alignment, don't render immediately
1836                                         $align = 'none';
1837                                 } elseif ( ! is_null( $match = $mwWidth->matchVariableStartToEnd($val) ) ) {
1838                                         # $match is the image width in pixels
1839                                         if ( preg_match( '/^([0-9]*)x([0-9]*)$/', $match, $m ) ) {
1840                                                 $width = intval( $m[1] );
1841                                                 $height = intval( $m[2] );
1842                                         } else {
1843                                                 $width = intval($match);
1844                                         }
1845                                 } elseif ( ! is_null( $mwFramed->matchVariableStartToEnd($val) ) ) {
1846                                         $framed=true;
1847                                 }
1848                         }
1849                         if ( 'center' == $align )
1850                         {
1851                                 $prefix  = '<span style="text-align: center">';
1852                                 $postfix = '</span>';
1853                                 $align   = 'none';
1854                         }
1855
1856                         if ( $thumb || $framed ) {
1857
1858                                 # Create a thumbnail. Alignment depends on language
1859                                 # writing direction, # right aligned for left-to-right-
1860                                 # languages ("Western languages"), left-aligned
1861                                 # for right-to-left-languages ("Semitic languages")
1862                                 #
1863                                 # If  thumbnail width has not been provided, it is set
1864                                 # here to 180 pixels
1865                                 if ( $align == '' ) {
1866                                         $align = $wgLang->isRTL() ? 'left' : 'right';
1867                                 }
1868                                 if ( ! isset($width) ) {
1869                                         $width = 180;
1870                                 }
1871                                 return $prefix.$this->makeThumbLinkObj( $img, $alt, $align, $width, $height, $framed ).$postfix;
1872
1873                         } elseif ( isset($width) ) {
1874
1875                                 # Create a resized image, without the additional thumbnail
1876                                 # features
1877
1878                                 if (    ( ! $height === false )
1879                                      && ( $img->getHeight() * $width / $img->getWidth() > $height ) ) {
1880                                         print "height=$height<br>\nimg->getHeight() = ".$img->getHeight()."<br>\n";
1881                                         print 'rescaling by factor '. $height / $img->getHeight() . "<br>\n";
1882                                         $width = $img->getWidth() * $height / $img->getHeight();
1883                                 }
1884                                 $url = $img->createThumb( $width );
1885                         }
1886                 } # endif $wgUseImageResize
1887
1888                 if ( empty( $alt ) ) {
1889                         $alt = preg_replace( '/\.(.+?)^/', '', $img->getName() );
1890                 }
1891                 $alt = htmlspecialchars( $alt );
1892
1893                 $u = $nt->escapeLocalURL();
1894                 if ( $url == '' )
1895                 {
1896                         $s = str_replace( "$1", $img->getName(), wfMsg('missingimage') );
1897                         $s .= "<br>{$alt}<br>{$url}<br>\n";
1898                 } else {
1899                         $s = '<a href="'.$u.'" class="image" title="'.$alt.'">' .
1900                                  '<img src="'.$url.'" alt="'.$alt.'" /></a>';
1901                 }
1902                 if ( '' != $align ) {
1903                         $s = "<div class=\"float{$align}\"><span>{$s}</span></div>";
1904                 }
1905                 return str_replace("\n", ' ',$prefix.$s.$postfix);
1906         }
1907
1908
1909         function makeThumbLinkObj( $img, $label = '', $align = 'right', $boxwidth = 180, $boxheight=false, $framed=false ) {
1910                 global $wgStylePath, $wgLang;
1911                 # $image = Title::makeTitle( Namespace::getImage(), $name );
1912                 $url  = $img->getURL();
1913
1914                 #$label = htmlspecialchars( $label );
1915                 $alt = preg_replace( '/<[^>]*>/', '', $label);
1916                 $alt = htmlspecialchars( $alt );
1917
1918                 if ( $img->exists() )
1919                 {
1920                         $width  = $img->getWidth();
1921                         $height = $img->getHeight();
1922                 } else {
1923                         $width = $height = 200;
1924                 }
1925                 if ( $framed )
1926                 {
1927                         // Use image dimensions, don't scale
1928                         $boxwidth  = $width;
1929                         $oboxwidth = $boxwidth + 2;
1930                         $boxheight = $height;
1931                         $thumbUrl  = $url;
1932                 } else {
1933                         $h  = intval( $height/($width/$boxwidth) );
1934                         $oboxwidth = $boxwidth + 2;
1935                         if ( ( ! $boxheight === false ) &&  ( $h > $boxheight ) )
1936                         {
1937                                 $boxwidth *= $boxheight/$h;
1938                         } else {
1939                                 $boxheight = $h;
1940                         }
1941                         $thumbUrl = $img->createThumb( $boxwidth );
1942                 }
1943
1944                 $u = $img->getEscapeLocalURL();
1945
1946                 $more = htmlspecialchars( wfMsg( 'thumbnail-more' ) );
1947                 $magnifyalign = $wgLang->isRTL() ? 'left' : 'right';
1948                 $textalign = $wgLang->isRTL() ? ' style="text-align:right"' : '';
1949
1950                 $s = "<div class=\"thumb t{$align}\"><div style=\"width:{$oboxwidth}px;\">";
1951                 if ( $thumbUrl == '' ) {
1952                         $s .= str_replace( "$1", $img->getName(), wfMsg('missingimage') );
1953                         $zoomicon = '';
1954                 } else {
1955                         $s .= '<a href="'.$u.'" class="internal" title="'.$alt.'">'.
1956                                 '<img src="'.$thumbUrl.'" alt="'.$alt.'" ' .
1957                                 'width="'.$boxwidth.'" height="'.$boxheight.'" /></a>';
1958                         if ( $framed ) {
1959                                 $zoomicon="";
1960                         } else {
1961                                 $zoomicon =  '<div class="magnify" style="float:'.$magnifyalign.'">'.
1962                                         '<a href="'.$u.'" class="internal" title="'.$more.'">'.
1963                                         '<img src="'.$wgStylePath.'/images/magnify-clip.png" ' .
1964                                         'width="15" height="11" alt="'.$more.'" /></a></div>';
1965                         }
1966                 }
1967                 $s .= '  <div class="thumbcaption" '.$textalign.'>'.$zoomicon.$label."</div></div></div>";
1968                 return str_replace("\n", ' ', $s);
1969         }
1970
1971         function makeMediaLink( $name, $url, $alt = "" ) {
1972                 $nt = Title::makeTitle( Namespace::getMedia(), $name );
1973                 return $this->makeMediaLinkObj( $nt, $alt );
1974         }
1975
1976         function makeMediaLinkObj( $nt, $alt = "" )
1977         {
1978                 if ( ! isset( $nt ) )
1979                 {
1980                         ### HOTFIX. Instead of breaking, return empry string.
1981                         $s = $alt;
1982                 } else {
1983                         $name = $nt->getDBKey();
1984                         $url = Image::wfImageUrl( $name );
1985                         if ( empty( $alt ) ) {
1986                                 $alt = preg_replace( '/\.(.+?)^/', '', $name );
1987                         }
1988
1989                         $u = htmlspecialchars( $url );
1990                         $s = "<a href=\"{$u}\" class='internal' title=\"{$alt}\">{$alt}</a>";
1991                 }
1992                 return $s;
1993         }
1994
1995         function specialLink( $name, $key = "" )
1996         {
1997                 global $wgLang;
1998
1999                 if ( '' == $key ) { $key = strtolower( $name ); }
2000                 $pn = $wgLang->ucfirst( $name );
2001                 return $this->makeKnownLink( $wgLang->specialPage( $pn ),
2002                   wfMsg( $key ) );
2003         }
2004
2005         function makeExternalLink( $url, $text, $escape = true ) {
2006                 $style = $this->getExternalLinkAttributes( $url, $text );
2007                 $url = htmlspecialchars( $url );
2008                 if( $escape ) {
2009                         $text = htmlspecialchars( $text );
2010                 }
2011                 return '<a href="'.$url.'"'.$style.'>'.$text.'</a>';
2012         }
2013
2014         # Called by history lists and recent changes
2015         #
2016
2017         # Returns text for the start of the tabular part of RC
2018         function beginRecentChangesList()
2019         {
2020                 $this->rc_cache = array() ;
2021                 $this->rcMoveIndex = 0;
2022                 $this->rcCacheIndex = 0 ;
2023                 $this->lastdate = '';
2024                 $this->rclistOpen = false;
2025                 return '';
2026         }
2027
2028         function beginImageHistoryList()
2029         {
2030                 $s = "\n<h2>" . wfMsg( 'imghistory' ) . "</h2>\n" .
2031                   "<p>" . wfMsg( 'imghistlegend' ) . "</p>\n".'<ul class="special">';
2032                 return $s;
2033         }
2034
2035         # Returns text for the end of RC
2036         # If enhanced RC is in use, returns pretty much all the text
2037         function endRecentChangesList()
2038         {
2039                 $s = $this->recentChangesBlock() ;
2040                 if( $this->rclistOpen ) {
2041                         $s .= "</ul>\n";
2042                 }
2043                 return $s;
2044         }
2045
2046         # Enhanced RC ungrouped line
2047         function recentChangesBlockLine ( $rcObj )
2048         {
2049                 global $wgStylePath, $wgLang ;
2050
2051                 # Get rc_xxxx variables
2052                 extract( $rcObj->mAttribs ) ;
2053                 $curIdEq = 'curid='.$rc_cur_id;
2054
2055                 # Spacer image
2056                 $r = '' ;
2057
2058                 $r .= '<img src="'.$wgStylePath.'/images/Arr_.png" width="12" height="12" border="0" />' ;
2059                 $r .= '<tt>' ;
2060
2061                 if ( $rc_type == RC_MOVE ) {
2062                         $r .= '&nbsp;&nbsp;';
2063                 } else {
2064                         # M & N (minor & new)
2065                         $M = wfMsg( 'minoreditletter' );
2066                         $N = wfMsg( 'newpageletter' );
2067
2068                         if ( $rc_type == RC_NEW ) {
2069                                 $r .= $N ;
2070                         } else {
2071                                 $r .= '&nbsp;' ;
2072                         }
2073                         if ( $rc_minor ) {
2074                                 $r .= $M ;
2075                         } else {
2076                                 $r .= '&nbsp;' ;
2077                         }
2078                 }
2079
2080                 # Timestamp
2081                 $r .= ' '.$rcObj->timestamp.' ' ;
2082                 $r .= '</tt>' ;
2083
2084                 # Article link
2085                 $link = $rcObj->link ;
2086                 if ( $rcObj->watched ) $link = '<strong>'.$link.'</strong>' ;
2087                 $r .= $link ;
2088
2089                 # Cur
2090                 $r .= ' (' ;
2091                 $r .= $rcObj->curlink ;
2092                 $r .= '; ' ;
2093
2094                 # Hist
2095                 $r .= $this->makeKnownLinkObj( $rcObj->getTitle(), wfMsg( 'hist' ), $curIdEq.'&action=history' );
2096
2097                 # User/talk
2098                 $r .= ') . . '.$rcObj->userlink ;
2099                 $r .= $rcObj->usertalklink ;
2100
2101                 # Comment
2102                 if ( $rc_comment != '' && $rc_type != RC_MOVE ) {
2103                         $rc_comment=$this->formatComment($rc_comment);
2104                         $r .= $wgLang->emphasize( ' ('.$rc_comment.')' );
2105                 }
2106
2107                 $r .= "<br />\n" ;
2108                 return $r ;
2109         }
2110
2111         # Enhanced RC group
2112         function recentChangesBlockGroup ( $block )
2113         {
2114                 global $wgStylePath, $wgLang ;
2115
2116                 $r = '' ;
2117                 $M = wfMsg( 'minoreditletter' );
2118                 $N = wfMsg( 'newpageletter' );
2119
2120                 # Collate list of users
2121                 $isnew = false ;
2122                 $userlinks = array () ;
2123                 foreach ( $block AS $rcObj ) {
2124                         $oldid = $rcObj->mAttribs['rc_last_oldid'];
2125                         if ( $rcObj->mAttribs['rc_new'] ) $isnew = true ;
2126                         $u = $rcObj->userlink ;
2127                         if ( !isset ( $userlinks[$u] ) ) $userlinks[$u] = 0 ;
2128                         $userlinks[$u]++ ;
2129                 }
2130
2131                 # Sort the list and convert to text
2132                 krsort ( $userlinks ) ;
2133                 asort ( $userlinks ) ;
2134                 $users = array () ;
2135                 foreach ( $userlinks as $userlink => $count) {
2136                         $text = $userlink ;
2137                         if ( $count > 1 ) $text .= " ({$count}&times;)" ;
2138                         array_push ( $users , $text ) ;
2139                 }
2140                 $users = ' <font size="-1">['.implode('; ',$users).']</font>' ;
2141
2142                 # Arrow
2143                 $rci = 'RCI'.$this->rcCacheIndex ;
2144                 $rcl = 'RCL'.$this->rcCacheIndex ;
2145                 $rcm = 'RCM'.$this->rcCacheIndex ;
2146                 $toggleLink = "javascript:toggleVisibility('$rci','$rcm','$rcl')" ;
2147                 $arrowdir = $wgLang->isRTL() ? 'l' : 'r';
2148                 $tl  = '<span id="'.$rcm.'"><a href="'.$toggleLink.'"><img src="'.$wgStylePath.'/images/Arr_'.$arrowdir.'.png" width="12" height="12" /></a></span>' ;
2149                 $tl .= '<span id="'.$rcl.'" style="display:none"><a href="'.$toggleLink.'"><img src="'.$wgStylePath.'/images/Arr_d.png" width="12" height="12" /></a></span>' ;
2150                 $r .= $tl ;
2151
2152                 # Main line
2153                 # M/N
2154                 $r .= '<tt>' ;
2155                 if ( $isnew ) $r .= $N ;
2156                 else $r .= '&nbsp;' ;
2157                 $r .= '&nbsp;' ; # Minor
2158
2159                 # Timestamp
2160                 $r .= ' '.$block[0]->timestamp.' ' ;
2161                 $r .= '</tt>' ;
2162
2163                 # Article link
2164                 $link = $block[0]->link ;
2165                 if ( $block[0]->watched ) $link = '<strong>'.$link.'</strong>' ;
2166                 $r .= $link ;
2167
2168                 $curIdEq = 'curid=' . $block[0]->mAttribs['rc_cur_id'];
2169                 if ( $block[0]->mAttribs['rc_type'] != RC_LOG ) {
2170                         # Changes
2171                         $r .= ' ('.count($block).' ' ;
2172                         if ( $isnew ) $r .= wfMsg('changes');
2173                         else $r .= $this->makeKnownLinkObj( $block[0]->getTitle() , wfMsg('changes') ,
2174                                 $curIdEq.'&diff=0&oldid='.$oldid ) ;
2175                         $r .= '; ' ;
2176
2177                         # History
2178                         $r .= $this->makeKnownLinkObj( $block[0]->getTitle(), wfMsg( 'history' ), $curIdEq.'&action=history' );
2179                         $r .= ')' ;
2180                 }
2181
2182                 $r .= $users ;
2183                 $r .= "<br />\n" ;
2184
2185                 # Sub-entries
2186                 $r .= '<div id="'.$rci.'" style="display:none">' ;
2187                 foreach ( $block AS $rcObj ) {
2188                         # Get rc_xxxx variables
2189                         extract( $rcObj->mAttribs );
2190
2191                         $r .= '<img src="'.$wgStylePath.'/images/Arr_.png" width="12" height="12" />';
2192                         $r .= '<tt>&nbsp; &nbsp; &nbsp; &nbsp;' ;
2193                         if ( $rc_new ) $r .= $N ;
2194                         else $r .= '&nbsp;' ;
2195                         if ( $rc_minor ) $r .= $M ;
2196                         else $r .= '&nbsp;' ;
2197                         $r .= '</tt>' ;
2198
2199                         $o = '' ;
2200                         if ( $rc_last_oldid != 0 ) {
2201                                 $o = 'oldid='.$rc_last_oldid ;
2202                         }
2203                         if ( $rc_type == RC_LOG ) {
2204                                 $link = $rcObj->timestamp ;
2205                         } else {
2206                                 $link = $this->makeKnownLinkObj( $rcObj->getTitle(), $rcObj->timestamp , "{$curIdEq}&$o" ) ;
2207                         }
2208                         $link = '<tt>'.$link.'</tt>' ;
2209
2210                         $r .= $link ;
2211                         $r .= ' (' ;
2212                         $r .= $rcObj->curlink ;
2213                         $r .= '; ' ;
2214                         $r .= $rcObj->lastlink ;
2215                         $r .= ') . . '.$rcObj->userlink ;
2216                         $r .= $rcObj->usertalklink ;
2217                         if ( $rc_comment != '' ) {
2218                                 $rc_comment=$this->formatComment($rc_comment);
2219                                 $r .= $wgLang->emphasize( ' ('.$rc_comment.')' ) ;
2220                         }
2221                         $r .= "<br />\n" ;
2222                 }
2223                 $r .= "</div>\n" ;
2224
2225                 $this->rcCacheIndex++ ;
2226                 return $r ;
2227         }
2228
2229         # If enhanced RC is in use, this function takes the previously cached
2230         # RC lines, arranges them, and outputs the HTML
2231         function recentChangesBlock ()
2232         {
2233                 global $wgStylePath ;
2234                 if ( count ( $this->rc_cache ) == 0 ) return '' ;
2235                 $blockOut = '';
2236                 foreach ( $this->rc_cache AS $secureName => $block ) {
2237                         if ( count ( $block ) < 2 ) {
2238                                 $blockOut .= $this->recentChangesBlockLine ( array_shift ( $block ) ) ;
2239                         } else {
2240                                 $blockOut .= $this->recentChangesBlockGroup ( $block ) ;
2241                         }
2242                 }
2243
2244                 return '<div>'.$blockOut.'</div>' ;
2245         }
2246
2247         # Called in a loop over all displayed RC entries
2248         # Either returns the line, or caches it for later use
2249         function recentChangesLine( &$rc, $watched = false )
2250         {
2251                 global $wgUser ;
2252                 $usenew = $wgUser->getOption( 'usenewrc' );
2253                 if ( $usenew )
2254                         $line = $this->recentChangesLineNew ( $rc, $watched ) ;
2255                 else
2256                         $line = $this->recentChangesLineOld ( $rc, $watched ) ;
2257                 return $line ;
2258         }
2259
2260         function recentChangesLineOld( &$rc, $watched = false )
2261         {
2262                 global $wgTitle, $wgLang, $wgUser, $wgRCSeconds;
2263
2264                 # Extract DB fields into local scope
2265                 extract( $rc->mAttribs );
2266                 $curIdEq = 'curid=' . $rc_cur_id;
2267
2268                 # Make date header if necessary
2269                 $date = $wgLang->date( $rc_timestamp, true);
2270                 $s = '';
2271                 if ( $date != $this->lastdate ) {
2272                         if ( '' != $this->lastdate ) { $s .= "</ul>\n"; }
2273                         $s .= "<h4>{$date}</h4>\n<ul class='special'>";
2274                         $this->lastdate = $date;
2275                         $this->rclistOpen = true;
2276                 }
2277                 $s .= '<li> ';
2278
2279                 if ( $rc_type == RC_MOVE ) {
2280                         # Diff
2281                         $s .= '(' . wfMsg( 'diff' ) . ') (';
2282                         # Hist
2283                         $s .= $this->makeKnownLinkObj( $rc->getMovedToTitle(), wfMsg( 'hist' ), 'action=history' ) .
2284                                 ') . . ';
2285
2286                         # "[[x]] moved to [[y]]"
2287
2288                         $s .= wfMsg( '1movedto2', $this->makeKnownLinkObj( $rc->getTitle(), '', 'redirect=no' ),
2289                                 $this->makeKnownLinkObj( $rc->getMovedToTitle(), '' ) );
2290
2291                 } else {
2292                         # Diff link
2293                         if ( $rc_type == RC_NEW || $rc_type == RC_LOG ) {
2294                                 $diffLink = wfMsg( 'diff' );
2295                         } else {
2296                                 $diffLink = $this->makeKnownLinkObj( $rc->getTitle(), wfMsg( 'diff' ),
2297                                   $curIdEq.'&diff='.$rc_this_oldid.'&oldid='.$rc_last_oldid  ,'' ,'' , ' tabindex="'.$rc->counter.'"');
2298                         }
2299                         $s .= '('.$diffLink.') (';
2300
2301                         # History link
2302                         $s .= $this->makeKnownLinkObj( $rc->getTitle(), wfMsg( 'hist' ), $curIdEq.'&action=history' );
2303                         $s .= ') . . ';
2304
2305                         # M and N (minor and new)
2306                         $M = wfMsg( 'minoreditletter' );
2307                         $N = wfMsg( 'newpageletter' );
2308                         if ( $rc_minor ) { $s .= ' <strong>'.$M.'</strong>'; }
2309                         if ( $rc_type == RC_NEW ) { $s .= '<strong>'.$N.'</strong>'; }
2310
2311                         # Article link
2312                         $articleLink = $this->makeKnownLinkObj( $rc->getTitle(), '' );
2313
2314                         if ( $watched ) {
2315                                 $articleLink = '<strong>'.$articleLink.'</strong>';
2316                         }
2317                         $s .= ' '.$articleLink;
2318
2319                 }
2320
2321                 # Timestamp
2322                 $s .= '; ' . $wgLang->time( $rc_timestamp, true, $wgRCSeconds ) . ' . . ';
2323
2324                 # User link (or contributions for unregistered users)
2325                 if ( 0 == $rc_user ) {
2326                         $userLink = $this->makeKnownLink( $wgLang->specialPage( 'Contributions' ),
2327                         $rc_user_text, 'target=' . $rc_user_text );
2328                 } else {
2329                         $userLink = $this->makeLink( $wgLang->getNsText( NS_USER ) . ':'.$rc_user_text, $rc_user_text );
2330                 }
2331                 $s .= $userLink;
2332
2333                 # User talk link
2334                 $talkname=$wgLang->getNsText(NS_TALK); # use the shorter name
2335                 global $wgDisableAnonTalk;
2336                 if( 0 == $rc_user && $wgDisableAnonTalk ) {
2337                         $userTalkLink = '';
2338                 } else {
2339                         $utns=$wgLang->getNsText(NS_USER_TALK);
2340                         $userTalkLink= $this->makeLink($utns . ':'.$rc_user_text, $talkname );
2341                 }
2342                 # Block link
2343                 $blockLink='';
2344                 if ( ( 0 == $rc_user ) && $wgUser->isSysop() ) {
2345                         $blockLink = $this->makeKnownLink( $wgLang->specialPage(
2346                           'Blockip' ), wfMsg( 'blocklink' ), 'ip='.$rc_user_text );
2347
2348                 }
2349                 if($blockLink) {
2350                         if($userTalkLink) $userTalkLink .= ' | ';
2351                         $userTalkLink .= $blockLink;
2352                 }
2353                 if($userTalkLink) $s.=' ('.$userTalkLink.')';
2354
2355                 # Add comment
2356                 if ( '' != $rc_comment && '*' != $rc_comment && $rc_type != RC_MOVE ) {
2357                         $rc_comment=$this->formatComment($rc_comment);
2358                         $s .= $wgLang->emphasize(' (' . $rc_comment . ')');
2359                 }
2360                 $s .= "</li>\n";
2361
2362                 return $s;
2363         }
2364
2365 #       function recentChangesLineNew( $ts, $u, $ut, $ns, $ttl, $c, $isminor, $isnew, $watched = false, $oldid = 0 , $diffid = 0 )
2366         function recentChangesLineNew( &$baseRC, $watched = false )
2367         {
2368                 global $wgTitle, $wgLang, $wgUser, $wgRCSeconds;
2369
2370                 # Create a specialised object
2371                 $rc = RCCacheEntry::newFromParent( $baseRC ) ;
2372
2373                 # Extract fields from DB into the function scope (rc_xxxx variables)
2374                 extract( $rc->mAttribs );
2375                 $curIdEq = 'curid=' . $rc_cur_id;
2376
2377                 # If it's a new day, add the headline and flush the cache
2378                 $date = $wgLang->date( $rc_timestamp, true);
2379                 $ret = '' ;
2380                 if ( $date != $this->lastdate ) {
2381                         # Process current cache
2382                         $ret = $this->recentChangesBlock () ;
2383                         $this->rc_cache = array() ;
2384                         $ret .= "<h4>{$date}</h4>\n";
2385                         $this->lastdate = $date;
2386                 }
2387
2388                 # Make article link
2389                 if ( $rc_type == RC_MOVE ) {
2390                         $clink = $this->makeKnownLinkObj( $rc->getTitle(), '', 'redirect=no' );
2391                         $clink .= ' ' . wfMsg('movedto') . ' ';
2392                         $clink .= $this->makeKnownLinkObj( $rc->getMovedToTitle(), '' );
2393                 } else {
2394                         $clink = $this->makeKnownLinkObj( $rc->getTitle(), '' ) ;
2395                 }
2396
2397                 $time = $wgLang->time( $rc_timestamp, true, $wgRCSeconds );
2398                 $rc->watched = $watched ;
2399                 $rc->link = $clink ;
2400                 $rc->timestamp = $time;
2401
2402                 # Make "cur" link
2403                 if ( ( $rc_type == RC_NEW && $rc_this_oldid == 0 ) || $rc_type == RC_LOG || $rc_type == RC_MOVE) {
2404                         $curLink = wfMsg( 'cur' );
2405                 } else {
2406                         $curLink = $this->makeKnownLinkObj( $rc->getTitle(), wfMsg( 'cur' ),
2407                           $curIdEq.'&diff=0&oldid='.$rc_this_oldid ,'' ,'' , ' tabindex="'.$baseRC->counter.'"' );
2408                 }
2409
2410                 # Make "last" link
2411                 $titleObj = $rc->getTitle();
2412                 if ( $rc_last_oldid == 0 || $rc_type == RC_LOG || $rc_type == RC_MOVE ) {
2413                         $lastLink = wfMsg( 'last' );
2414                 } else {
2415                         $lastLink = $this->makeKnownLinkObj( $rc->getTitle(), wfMsg( 'last' ),
2416                           $curIdEq.'&diff='.$rc_this_oldid.'&oldid='.$rc_last_oldid );
2417                 }
2418
2419                 # Make user link (or user contributions for unregistered users)
2420                 if ( 0 == $rc_user ) {
2421                         $userLink = $this->makeKnownLink( $wgLang->specialPage( 'Contributions' ),
2422                         $rc_user_text, 'target=' . $rc_user_text );
2423                 } else {
2424                         $userLink = $this->makeLink( $wgLang->getNsText(
2425                           Namespace::getUser() ) . ':'.$rc_user_text, $rc_user_text );
2426                 }
2427
2428                 $rc->userlink = $userLink ;
2429                 $rc->lastlink = $lastLink ;
2430                 $rc->curlink = $curLink ;
2431
2432                 # Make user talk link
2433                 $utns=$wgLang->getNsText(NS_USER_TALK);
2434                 $talkname=$wgLang->getNsText(NS_TALK); # use the shorter name
2435                 $userTalkLink= $this->makeLink($utns . ':'.$rc_user_text, $talkname );
2436
2437                 global $wgDisableAnonTalk;
2438                 if ( ( 0 == $rc_user ) && $wgUser->isSysop() ) {
2439                         $blockLink = $this->makeKnownLink( $wgLang->specialPage(
2440                           'Blockip' ), wfMsg( 'blocklink' ), 'ip='.$rc_user_text );
2441                         if( $wgDisableAnonTalk )
2442                                 $rc->usertalklink = ' ('.$blockLink.')';
2443                         else
2444                                 $rc->usertalklink = ' ('.$userTalkLink.' | '.$blockLink.')';
2445                 } else {
2446                         if( $wgDisableAnonTalk && ($rc_user == 0) )
2447                                 $rc->usertalklink = '';
2448                         else
2449                                 $rc->usertalklink = ' ('.$userTalkLink.')';
2450                 }
2451
2452                 # Put accumulated information into the cache, for later display
2453                 # Page moves go on their own line
2454                 $title = $rc->getTitle();
2455                 $secureName = $title->getPrefixedDBkey();
2456                 if ( $rc_type == RC_MOVE ) {
2457                         # Use an @ character to prevent collision with page names
2458                         $this->rc_cache['@@' . ($this->rcMoveIndex++)] = array($rc);
2459                 } else {
2460                         if ( !isset ( $this->rc_cache[$secureName] ) ) $this->rc_cache[$secureName] = array() ;
2461                         array_push ( $this->rc_cache[$secureName] , $rc ) ;
2462                 }
2463                 return $ret;
2464         }
2465
2466         function endImageHistoryList()
2467         {
2468                 $s = "</ul>\n";
2469                 return $s;
2470         }
2471
2472         /* This function is called by all recent changes variants, by the page history,
2473            and by the user contributions list. It is responsible for formatting edit
2474            comments. It escapes any HTML in the comment, but adds some CSS to format
2475            auto-generated comments (from section editing) and formats [[wikilinks]].
2476            Main author: Erik Möller (moeller@scireview.de)
2477         */
2478         function formatComment($comment)
2479         {
2480                 global $wgLang;
2481                 $comment=wfEscapeHTML($comment);
2482
2483                 # The pattern for autogen comments is / * foo * /, which makes for
2484                 # some nasty regex.
2485                 # We look for all comments, match any text before and after the comment,
2486                 # add a separator where needed and format the comment itself with CSS
2487                 while (preg_match('/(.*)\/\*\s*(.*?)\s*\*\/(.*)/', $comment,$match)) {
2488                         $pre=$match[1];
2489                         $auto=$match[2];
2490                         $post=$match[3];
2491                         $sep='-';
2492                         if($pre) { $auto = $sep.' '.$auto; }
2493                         if($post) { $auto .= ' '.$sep; }
2494                         $auto='<span class="autocomment">'.$auto.'</span>';
2495                         $comment=$pre.$auto.$post;
2496                 }
2497
2498                 # format regular and media links - all other wiki formatting
2499                 # is ignored
2500                 while(preg_match('/\[\[(.*?)(\|(.*?))*\]\]/',$comment,$match)) {
2501
2502                         $medians = $wgLang->getNsText(Namespace::getMedia()).':';
2503                         $func='makeLink';
2504                         if(preg_match('/^'.$medians.'/i',$match[1])) {
2505                                 $func='makeMediaLink';
2506                         }
2507                         # Handle link renaming [[foo|text]] will show link as "text"
2508                         if(isset($match[3]) ) {
2509                                 $comment=
2510                                 preg_replace('/\[\[(.*?)\]\]/',
2511                                 $this->$func($match[1],$match[3]),$comment,1);
2512                         } else {
2513                                 $comment=
2514                                 preg_replace('/\[\[(.*?)\]\]/',
2515                                 $this->$func($match[1],$match[1]),$comment,1);
2516                         }
2517                 }
2518
2519                 return $comment;
2520
2521         }
2522
2523         function imageHistoryLine( $iscur, $timestamp, $img, $user, $usertext, $size, $description )
2524         {
2525                 global $wgUser, $wgLang, $wgTitle;
2526
2527                 $datetime = $wgLang->timeanddate( $timestamp, true );
2528                 $del = wfMsg( 'deleteimg' );
2529                 $cur = wfMsg( 'cur' );
2530
2531                 if ( $iscur ) {
2532                         $url = Image::wfImageUrl( $img );
2533                         $rlink = $cur;
2534                         if ( $wgUser->isSysop() ) {
2535                                 $link = $wgTitle->escapeLocalURL( 'image=' . $wgTitle->getPartialURL() .
2536                                   '&action=delete' );
2537                                 $style = $this->getInternalLinkAttributes( $link, $del );
2538
2539                                 $dlink = '<a href="'.$link.'"'.$style.'>'.$del.'</a>';
2540                         } else {
2541                                 $dlink = $del;
2542                         }
2543                 } else {
2544                         $url = wfEscapeHTML( wfImageArchiveUrl( $img ) );
2545                         if( $wgUser->getID() != 0 ) {
2546                                 $rlink = $this->makeKnownLink( $wgTitle->getPrefixedText(),
2547                                            wfMsg( 'revertimg' ), 'action=revert&oldimage=' .
2548                                            urlencode( $img ) );
2549                                 $dlink = $this->makeKnownLink( $wgTitle->getPrefixedText(),
2550                                            $del, 'action=delete&oldimage=' . urlencode( $img ) );
2551                         } else {
2552                                 # Having live active links for non-logged in users
2553                                 # means that bots and spiders crawling our site can
2554                                 # inadvertently change content. Baaaad idea.
2555                                 $rlink = wfMsg( 'revertimg' );
2556                                 $dlink = $del;
2557                         }
2558                 }
2559                 if ( 0 == $user ) {
2560                         $userlink = $usertext;
2561                 } else {
2562                         $userlink = $this->makeLink( $wgLang->getNsText( Namespace::getUser() ) .
2563                                        ':'.$usertext, $usertext );
2564                 }
2565                 $nbytes = wfMsg( 'nbytes', $size );
2566                 $style = $this->getInternalLinkAttributes( $url, $datetime );
2567
2568                 $s = "<li> ({$dlink}) ({$rlink}) <a href=\"{$url}\"{$style}>{$datetime}</a>"
2569                   . " . . {$userlink} ({$nbytes})";
2570
2571                 if ( '' != $description && '*' != $description ) {
2572                         $sk=$wgUser->getSkin();
2573                         $s .= $wgLang->emphasize(' (' . $sk->formatComment($description) . ')');
2574                 }
2575                 $s .= "</li>\n";
2576                 return $s;
2577         }
2578
2579         function tocIndent($level) {
2580                 return str_repeat( '<div class="tocindent">'."\n", $level>0 ? $level : 0 );
2581         }
2582
2583         function tocUnindent($level) {
2584                 return str_repeat( "</div>\n", $level>0 ? $level : 0 );
2585         }
2586
2587         # parameter level defines if we are on an indentation level
2588         function tocLine( $anchor, $tocline, $level ) {
2589                 $link = '<a href="#'.$anchor.'">'.$tocline.'</a><br />';
2590                 if($level) {
2591                         return $link."\n";
2592                 } else {
2593                         return '<div class="tocline">'.$link."</div>\n";
2594                 }
2595
2596         }
2597
2598         function tocTable($toc) {
2599                 # note to CSS fanatics: putting this in a div does not work -- div won't auto-expand
2600                 # try min-width & co when somebody gets a chance
2601                 $hideline = ' <script type="text/javascript">showTocToggle("' . addslashes( wfMsg('showtoc') ) . '","' . addslashes( wfMsg('hidetoc') ) . '")</script>';
2602                 return
2603                 '<table border="0" id="toc"><tr id="toctitle"><td align="center">'."\n".
2604                 '<b>'.wfMsg('toc').'</b>' .
2605                 $hideline .
2606                 '</td></tr><tr id="tocinside"><td>'."\n".
2607                 $toc."</td></tr></table>\n";
2608         }
2609
2610         # These two do not check for permissions: check $wgTitle->userCanEdit before calling them
2611         function editSectionScript( $section, $head ) {
2612                 global $wgTitle, $wgRequest;
2613                 if( $wgRequest->getInt( 'oldid' ) && ( $wgRequest->getVal( 'diff' ) != '0' ) ) {
2614                         return $head;
2615                 }
2616                 $url = $wgTitle->escapeLocalURL( 'action=edit&section='.$section );
2617                 return '<span oncontextmenu=\'document.location="'.$url.'";return false;\'>'.$head.'</span>';
2618         }
2619
2620         function editSectionLink( $section ) {
2621                 global $wgRequest;
2622                 global $wgTitle, $wgUser, $wgLang;
2623
2624                 if( $wgRequest->getInt( 'oldid' ) && ( $wgRequest->getVal( 'diff' ) != '0' ) ) {
2625                         # Section edit links would be out of sync on an old page.
2626                         # But, if we're diffing to the current page, they'll be
2627                         # correct.
2628                         return '';
2629                 }
2630
2631                 $editurl = '&section='.$section;
2632                 $url = $this->makeKnownLink($wgTitle->getPrefixedText(),wfMsg('editsection'),'action=edit'.$editurl);
2633
2634                 if( $wgLang->isRTL() ) {
2635                         $farside = 'left';
2636                         $nearside = 'right';
2637                 } else {
2638                         $farside = 'right';
2639                         $nearside = 'left';
2640                 }
2641                 return "<div class=\"editsection\" style=\"float:$farside;margin-$nearside:5px;\">[".$url."]</div>";
2642
2643         }
2644
2645         // This function is called by EditPage.php and shows a bulletin board style
2646         // toolbar for common editing functions. It can be disabled in the user preferences.
2647         // The necsesary JavaScript code can be found in style/wikibits.js.
2648         function getEditToolbar() {
2649                 global $wgStylePath, $wgLang, $wgMimeType;
2650
2651                 // toolarray an array of arrays which each include the filename of
2652                 // the button image (without path), the opening tag, the closing tag,
2653                 // and optionally a sample text that is inserted between the two when no
2654                 // selection is highlighted.
2655                 // The tip text is shown when the user moves the mouse over the button.
2656
2657                 // Already here are accesskeys (key), which are not used yet until someone
2658                 // can figure out a way to make them work in IE. However, we should make
2659                 // sure these keys are not defined on the edit page.
2660                 $toolarray=array(
2661                         array(  'image'=>'button_bold.png',
2662                                 'open'=>"\'\'\'",
2663                                 'close'=>"\'\'\'",
2664                                 'sample'=>wfMsg('bold_sample'),
2665                                 'tip'=>wfMsg('bold_tip'),
2666                                 'key'=>'B'
2667                                 ),
2668                         array(  "image"=>"button_italic.png",
2669                                 "open"=>"\'\'",
2670                                 "close"=>"\'\'",
2671                                 "sample"=>wfMsg("italic_sample"),
2672                                 "tip"=>wfMsg("italic_tip"),
2673                                 "key"=>"I"
2674                                 ),
2675                         array(  "image"=>"button_link.png",
2676                                 "open"=>"[[",
2677                                 "close"=>"]]",
2678                                 "sample"=>wfMsg("link_sample"),
2679                                 "tip"=>wfMsg("link_tip"),
2680                                 "key"=>"L"
2681                                 ),
2682                         array(  "image"=>"button_extlink.png",
2683                                 "open"=>"[",
2684                                 "close"=>"]",
2685                                 "sample"=>wfMsg("extlink_sample"),
2686                                 "tip"=>wfMsg("extlink_tip"),
2687                                 "key"=>"X"
2688                                 ),
2689                         array(  "image"=>"button_headline.png",
2690                                 "open"=>"\\n== ",
2691                                 "close"=>" ==\\n",
2692                                 "sample"=>wfMsg("headline_sample"),
2693                                 "tip"=>wfMsg("headline_tip"),
2694                                 "key"=>"H"
2695                                 ),
2696                         array(  "image"=>"button_image.png",
2697                                 "open"=>"[[".$wgLang->getNsText(NS_IMAGE).":",
2698                                 "close"=>"]]",
2699                                 "sample"=>wfMsg("image_sample"),
2700                                 "tip"=>wfMsg("image_tip"),
2701                                 "key"=>"D"
2702                                 ),
2703                         array(  "image"=>"button_media.png",
2704                                 "open"=>"[[".$wgLang->getNsText(NS_MEDIA).":",
2705                                 "close"=>"]]",
2706                                 "sample"=>wfMsg("media_sample"),
2707                                 "tip"=>wfMsg("media_tip"),
2708                                 "key"=>"M"
2709                                 ),
2710                         array(  "image"=>"button_math.png",
2711                                 "open"=>"\\<math\\>",
2712                                 "close"=>"\\</math\\>",
2713                                 "sample"=>wfMsg("math_sample"),
2714                                 "tip"=>wfMsg("math_tip"),
2715                                 "key"=>"C"
2716                                 ),
2717                         array(  "image"=>"button_nowiki.png",
2718                                 "open"=>"\\<nowiki\\>",
2719                                 "close"=>"\\</nowiki\\>",
2720                                 "sample"=>wfMsg("nowiki_sample"),
2721                                 "tip"=>wfMsg("nowiki_tip"),
2722                                 "key"=>"N"
2723                                 ),
2724                         array(  "image"=>"button_sig.png",
2725                                 "open"=>"--~~~~",
2726                                 "close"=>"",
2727                                 "sample"=>"",
2728                                 "tip"=>wfMsg("sig_tip"),
2729                                 "key"=>"Y"
2730                                 ),
2731                         array(  "image"=>"button_hr.png",
2732                                 "open"=>"\\n----\\n",
2733                                 "close"=>"",
2734                                 "sample"=>"",
2735                                 "tip"=>wfMsg("hr_tip"),
2736                                 "key"=>"R"
2737                                 )
2738                 );
2739                 $toolbar ="<script type='text/javascript'>\n/*<![CDATA[*/\n";
2740
2741                 $toolbar.="document.writeln(\"<div id='toolbar'>\");\n";
2742                 foreach($toolarray as $tool) {
2743
2744                         $image=$wgStylePath.'/images/'.$tool['image'];
2745                         $open=$tool['open'];
2746                         $close=$tool['close'];
2747                         $sample = addslashes( $tool['sample'] );
2748
2749                         // Note that we use the tip both for the ALT tag and the TITLE tag of the image.
2750                         // Older browsers show a "speedtip" type message only for ALT.
2751                         // Ideally these should be different, realistically they
2752                         // probably don't need to be.
2753                         $tip = addslashes( $tool['tip'] );
2754
2755                         #$key = $tool["key"];
2756
2757                         $toolbar.="addButton('$image','$tip','$open','$close','$sample');\n";
2758                 }
2759
2760                 $toolbar.="addInfobox('" . addslashes( wfMsg( "infobox" ) ) . "','" . addslashes(wfMsg("infobox_alert")) . "');\n";
2761                 $toolbar.="document.writeln(\"</div>\");\n";
2762
2763                 $toolbar.="/*]]>*/\n</script>";
2764                 return $toolbar;
2765         }
2766
2767 }
2768 ?>