includes/Skin.php

   1 <?php
   2
   3 /**
   4  *
   5  * @package MediaWiki
   6  */
   7
   8 /**
   9  * This is not a valid entry point, perform no further processing unless MEDIAWIKI is defined
  10  */
  11 if( defined( "MEDIAWIKI" ) ) {
  12
  13 # See skin.doc
  14 require_once( 'Image.php' );
  15
  16 # These are the INTERNAL names, which get mapped directly to class names and
  17 # file names in ./skins/. For display purposes, the Language class has
  18 # internationalized names
  19 #
  20 /*
  21 $wgValidSkinNames = array(
  22         'standard'      => 'Standard',
  23         'nostalgia'     => 'Nostalgia',
  24         'cologneblue'   => 'CologneBlue'
  25 );
  26 if( $wgUsePHPTal ) {
  27         #$wgValidSkinNames[] = 'PHPTal';
  28         #$wgValidSkinNames['davinci'] = 'DaVinci';
  29         #$wgValidSkinNames['mono'] = 'Mono';
  30         #$wgValidSkinNames['monobookminimal'] = 'MonoBookMinimal';
  31         $wgValidSkinNames['monobook'] = 'MonoBook';
  32         $wgValidSkinNames['myskin'] = 'MySkin';
  33         $wgValidSkinNames['chick'] = 'Chick';
  34 }
  35 */
  36
  37 # Get a list of all skins available in /skins/
  38 # Build using the regular expression '^(.*).php$'
  39 # Array keys are all lower case, array value keep the case used by filename
  40 #
  41
  42 $skinDir = dir($IP.'/skins');
  43
  44 # while code from www.php.net
  45 while (false !== ($file = $skinDir->read())) {
  46         if(preg_match('/^(.*).php$/',$file, $matches)) {
  47                 $aSkin = $matches[1];
  48         $wgValidSkinNames[strtolower($aSkin)] = $aSkin;
  49         }
  50 }
  51 $skinDir->close();
  52 unset($matches);
  53
  54 require_once( 'RecentChange.php' );
  55
  56 global $wgLinkHolders;
  57 $wgLinkHolders = array(
  58         'namespaces' => array(),
  59         'dbkeys' => array(),
  60         'queries' => array(),
  61         'texts' => array(),
  62         'titles' => array()
  63 );
  64 global $wgInterwikiLinkHolders;
  65 $wgInterwikiLinkHolders = array();
  66
  67 /**
  68  * @todo document
  69  * @package MediaWiki
  70  */
  71 class RCCacheEntry extends RecentChange
  72 {
  73         var $secureName, $link;
  74         var $curlink , $difflink, $lastlink , $usertalklink , $versionlink ;
  75         var $userlink, $timestamp, $watched;
  76
  77         function newFromParent( $rc )
  78         {
  79                 $rc2 = new RCCacheEntry;
  80                 $rc2->mAttribs = $rc->mAttribs;
  81                 $rc2->mExtra = $rc->mExtra;
  82                 return $rc2;
  83         }
  84 } ;
  85
  86
  87 /**
  88  * The main skin class that provide methods and properties for all other skins
  89  * including PHPTal skins.
  90  * This base class is also the "Standard" skin.
  91  * @package MediaWiki
  92  */
  93 class Skin {
  94         /**#@+
  95          * @access private
  96          */
  97         var $lastdate, $lastline;
  98         var $linktrail ; # linktrail regexp
  99         var $rc_cache ; # Cache for Enhanced Recent Changes
 100         var $rcCacheIndex ; # Recent Changes Cache Counter for visibility toggle
 101         var $rcMoveIndex;
 102         var $postParseLinkColour = true;
 103         /**#@-*/
 104
 105         function Skin() {
 106                 global $wgUseOldExistenceCheck;
 107                 $postParseLinkColour = !$wgUseOldExistenceCheck;
 108                 $this->linktrail = wfMsg('linktrail');
 109         }
 110
 111         function getSkinNames() {
 112                 global $wgValidSkinNames;
 113                 return $wgValidSkinNames;
 114         }
 115
 116         function getStylesheet() {
 117                 return 'common/wikistandard.css';
 118         }
 119
 120         function getSkinName() {
 121                 return 'standard';
 122         }
 123
 124         /**
 125          * Get/set accessor for delayed link colouring
 126          */
 127         function postParseLinkColour( $setting = NULL ) {
 128                 return wfSetVar( $this->postParseLinkColour, $setting );
 129         }
 130
 131         function qbSetting() {
 132                 global $wgOut, $wgUser;
 133
 134                 if ( $wgOut->isQuickbarSuppressed() ) { return 0; }
 135                 $q = $wgUser->getOption( 'quickbar' );
 136                 if ( '' == $q ) { $q = 0; }
 137                 return $q;
 138         }
 139
 140         function initPage( &$out ) {
 141                 $fname = 'Skin::initPage';
 142                 wfProfileIn( $fname );
 143
 144                 $out->addLink( array( 'rel' => 'shortcut icon', 'href' => '/favicon.ico' ) );
 145
 146                 $this->addMetadataLinks($out);
 147
 148                 wfProfileOut( $fname );
 149         }
 150
 151         function addMetadataLinks( &$out ) {
 152                 global $wgTitle, $wgEnableDublinCoreRdf, $wgEnableCreativeCommonsRdf, $wgRdfMimeType, $action;
 153                 global $wgRightsPage, $wgRightsUrl;
 154
 155                 if( $out->isArticleRelated() ) {
 156                         # note: buggy CC software only reads first "meta" link
 157                         if( $wgEnableCreativeCommonsRdf ) {
 158                                 $out->addMetadataLink( array(
 159                                         'title' => 'Creative Commons',
 160                                         'type' => 'application/rdf+xml',
 161                                         'href' => $wgTitle->getLocalURL( 'action=creativecommons') ) );
 162                         }
 163                         if( $wgEnableDublinCoreRdf ) {
 164                                 $out->addMetadataLink( array(
 165                                         'title' => 'Dublin Core',
 166                                         'type' => 'application/rdf+xml',
 167                                         'href' => $wgTitle->getLocalURL( 'action=dublincore' ) ) );
 168                         }
 169                 }
 170                 $copyright = '';
 171                 if( $wgRightsPage ) {
 172                         $copy = Title::newFromText( $wgRightsPage );
 173                         if( $copy ) {
 174                                 $copyright = $copy->getLocalURL();
 175                         }
 176                 }
 177                 if( !$copyright && $wgRightsUrl ) {
 178                         $copyright = $wgRightsUrl;
 179                 }
 180                 if( $copyright ) {
 181                         $out->addLink( array(
 182                                 'rel' => 'copyright',
 183                                 'href' => $copyright ) );
 184                 }
 185         }
 186
 187         function outputPage( &$out ) {
 188                 global $wgDebugComments;
 189
 190                 wfProfileIn( 'Skin::outputPage' );
 191                 $this->initPage( $out );
 192                 $out->out( $out->headElement() );
 193
 194                 $out->out( "\n<body" );
 195                 $ops = $this->getBodyOptions();
 196                 foreach ( $ops as $name => $val ) {
 197                         $out->out( " $name='$val'" );
 198                 }
 199                 $out->out( ">\n" );
 200                 if ( $wgDebugComments ) {
 201                         $out->out( "<!-- Wiki debugging output:\n" .
 202                           $out->mDebugtext . "-->\n" );
 203                 }
 204                 $out->out( $this->beforeContent() );
 205
 206                 $out->out( $out->mBodytext . "\n" );
 207
 208                 $out->out( $this->afterContent() );
 209
 210                 wfProfileClose();
 211                 $out->out( $out->reportTime() );
 212
 213                 $out->out( "\n</body></html>" );
 214         }
 215
 216         function getHeadScripts() {
 217                 global $wgStylePath, $wgUser, $wgContLang, $wgAllowUserJs;
 218                 $r = "<script type=\"text/javascript\" src=\"{$wgStylePath}/common/wikibits.js\"></script>\n";
 219                 if( $wgAllowUserJs && $wgUser->getID() != 0 ) { # logged in
 220                         $userpage = $wgContLang->getNsText( Namespace::getUser() ) . ":" . $wgUser->getName();
 221                         $userjs = htmlspecialchars($this->makeUrl($userpage.'/'.$this->getSkinName().'.js', 'action=raw&ctype=text/javascript'));
 222                         $r .= '<script type="text/javascript" src="'.$userjs."\"></script>\n";
 223                 }
 224                 return $r;
 225         }
 226
 227         # get the user/site-specific stylesheet, SkinPHPTal called from RawPage.php (settings are cached that way)
 228         function getUserStylesheet() {
 229                 global $wgOut, $wgStylePath, $wgContLang, $wgUser, $wgRequest, $wgTitle, $wgAllowUserCss;
 230                 $sheet = $this->getStylesheet();
 231                 $action = $wgRequest->getText('action');
 232                 $s = "@import \"$wgStylePath/$sheet\";\n";
 233                 if($wgContLang->isRTL()) $s .= "@import \"$wgStylePath/common/common_rtl.css\";\n";
 234                 if( $wgAllowUserCss && $wgUser->getID() != 0 ) { # logged in
 235                         if($wgTitle->isCssSubpage() and $action == 'submit' and  $wgTitle->userCanEditCssJsSubpage()) {
 236                                 $s .= $wgRequest->getText('wpTextbox1');
 237                         } else {
 238                                 $userpage = $wgContLang->getNsText( Namespace::getUser() ) . ":" . $wgUser->getName();
 239                                 $s.= '@import "'.$this->makeUrl($userpage.'/'.$this->getSkinName().'.css', 'action=raw&ctype=text/css').'";'."\n";
 240                         }
 241                 }
 242                 $s .= $this->doGetUserStyles();
 243                 return $s."\n";
 244         }
 245
 246         /**
 247          * placeholder, returns generated js in monobook
 248          */
 249         function getUserJs() { return; }
 250
 251         /**
 252          * Return html code that include User stylesheets
 253          */
 254         function getUserStyles() {
 255                 global $wgOut, $wgStylePath, $wgLang;
 256                 $s = "<style type='text/css'>\n";
 257                 $s .= "/*/*/ /*<![CDATA[*/\n"; # <-- Hide the styles from Netscape 4 without hiding them from IE/Mac
 258                 $s .= $this->getUserStylesheet();
 259                 $s .= "/*]]>*/ /* */\n";
 260                 $s .= "</style>\n";
 261                 return $s;
 262         }
 263
 264         /**
 265          * Some styles that are set by user through the user settings interface.
 266          */
 267         function doGetUserStyles() {
 268                 global $wgUser, $wgContLang;
 269
 270                 $csspage = $wgContLang->getNsText( NS_MEDIAWIKI ) . ':' . $this->getSkinName() . '.css';
 271                 $s = '@import "'.$this->makeUrl($csspage, 'action=raw&ctype=text/css')."\";\n";
 272
 273                 if ( 1 == $wgUser->getOption( 'underline' ) ) {
 274                         # Don't override browser settings
 275                 } else {
 276                         # CHECK MERGE @@@
 277                         # Force no underline
 278                         $s .= "a { text-decoration: none; }\n";
 279                 }
 280                 if ( 1 == $wgUser->getOption( 'highlightbroken' ) ) {
 281                         $s .= "a.new, #quickbar a.new { color: #CC2200; }\n";
 282                 }
 283                 if ( 1 == $wgUser->getOption( 'justify' ) ) {
 284                         $s .= "#article { text-align: justify; }\n";
 285                 }
 286                 return $s;
 287         }
 288
 289         function getBodyOptions() {
 290                 global $wgUser, $wgTitle, $wgNamespaceBackgrounds, $wgOut, $wgRequest;
 291
 292                 extract( $wgRequest->getValues( 'oldid', 'redirect', 'diff' ) );
 293
 294                 if ( 0 != $wgTitle->getNamespace() ) {
 295                         $a = array( 'bgcolor' => '#ffffec' );
 296                 }
 297                 else $a = array( 'bgcolor' => '#FFFFFF' );
 298                 if($wgOut->isArticle() && $wgUser->getOption('editondblclick') &&
 299                   (!$wgTitle->isProtected() || $wgUser->isSysop()) ) {
 300                         $t = wfMsg( 'editthispage' );
 301                         $oid = $red = '';
 302                         if ( !empty($redirect) && $redirect == 'no' ) {
 303                                 $red = "&redirect={$redirect}";
 304                         }
 305                         if ( !empty($oldid) && ! isset( $diff ) ) {
 306                                 $oid = "&oldid=" . IntVal( $oldid );
 307                         }
 308                         $s = $wgTitle->getFullURL( "action=edit{$oid}{$red}" );
 309                         $s = 'document.location = "' .$s .'";';
 310                         $a += array ('ondblclick' => $s);
 311
 312                 }
 313                 $a['onload'] = $wgOut->getOnloadHandler();
 314                 return $a;
 315         }
 316
 317         function getExternalLinkAttributes( $link, $text, $class='' ) {
 318                 global $wgUser, $wgOut, $wgContLang;
 319
 320                 $same = ($link == $text);
 321                 $link = urldecode( $link );
 322                 $link = $wgContLang->checkTitleEncoding( $link );
 323                 $link = str_replace( '_', ' ', $link );
 324                 $link = htmlspecialchars( $link );
 325
 326                 $r = ($class != '') ? " class='$class'" : " class='external'";
 327
 328                 if ( !$same && $wgUser->getOption( 'hover' ) ) {
 329                         $r .= " title=\"{$link}\"";
 330                 }
 331                 return $r;
 332         }
 333
 334         function getInternalLinkAttributes( $link, $text, $broken = false ) {
 335                 global $wgUser, $wgOut;
 336
 337                 $link = urldecode( $link );
 338                 $link = str_replace( '_', ' ', $link );
 339                 $link = htmlspecialchars( $link );
 340
 341                 if ( $broken == 'stub' ) {
 342                         $r = ' class="stub"';
 343                 } else if ( $broken == 'yes' ) {
 344                         $r = ' class="new"';
 345                 } else {
 346                         $r = '';
 347                 }
 348
 349                 if ( 1 == $wgUser->getOption( 'hover' ) ) {
 350                         $r .= " title=\"{$link}\"";
 351                 }
 352                 return $r;
 353         }
 354
 355         /**
 356          * @param bool $broken
 357          */
 358         function getInternalLinkAttributesObj( &$nt, $text, $broken = false ) {
 359                 global $wgUser, $wgOut;
 360
 361                 if ( $broken == 'stub' ) {
 362                         $r = ' class="stub"';
 363                 } else if ( $broken == 'yes' ) {
 364                         $r = ' class="new"';
 365                 } else {
 366                         $r = '';
 367                 }
 368
 369                 if ( 1 == $wgUser->getOption( 'hover' ) ) {
 370                         $r .= ' title="' . $nt->getEscapedText() . '"';
 371                 }
 372                 return $r;
 373         }
 374
 375         /**
 376          * URL to the logo
 377          */
 378         function getLogo() {
 379                 global $wgLogo;
 380                 return $wgLogo;
 381         }
 382
 383         /**
 384          * This will be called immediately after the <body> tag.  Split into
 385          * two functions to make it easier to subclass.
 386          */
 387         function beforeContent() {
 388                 global $wgUser, $wgOut;
 389
 390                 return $this->doBeforeContent();
 391         }
 392
 393         function doBeforeContent() {
 394                 global $wgUser, $wgOut, $wgTitle, $wgContLang, $wgSiteNotice;
 395                 $fname = 'Skin::doBeforeContent';
 396                 wfProfileIn( $fname );
 397
 398                 $s = '';
 399                 $qb = $this->qbSetting();
 400
 401                 if( $langlinks = $this->otherLanguages() ) {
 402                         $rows = 2;
 403                         $borderhack = '';
 404                 } else {
 405                         $rows = 1;
 406                         $langlinks = false;
 407                         $borderhack = 'class="top"';
 408                 }
 409
 410                 $s .= "\n<div id='content'>\n<div id='topbar'>\n" .
 411                   "<table border='0' cellspacing='0' width='98%'>\n<tr>\n";
 412
 413                 $shove = ($qb != 0);
 414                 $left = ($qb == 1 || $qb == 3);
 415                 if($wgContLang->isRTL()) $left = !$left;
 416
 417                 if ( !$shove ) {
 418                         $s .= "<td class='top' align='left' valign='top' rowspan='{$rows}'>\n" .
 419                           $this->logoText() . '</td>';
 420                 } elseif( $left ) {
 421                         $s .= $this->getQuickbarCompensator( $rows );
 422                 }
 423                 $l = $wgContLang->isRTL() ? 'right' : 'left';
 424                 $s .= "<td {$borderhack} align='$l' valign='top'>\n";
 425
 426                 $s .= $this->topLinks() ;
 427                 $s .= "<p class='subtitle'>" . $this->pageTitleLinks() . "</p>\n";
 428
 429                 $r = $wgContLang->isRTL() ? "left" : "right";
 430                 $s .= "</td>\n<td {$borderhack} valign='top' align='$r' nowrap='nowrap'>";
 431                 $s .= $this->nameAndLogin();
 432                 $s .= "\n<br />" . $this->searchForm() . "</td>";
 433
 434                 if ( $langlinks ) {
 435                         $s .= "</tr>\n<tr>\n<td class='top' colspan=\"2\">$langlinks</td>\n";
 436                 }
 437
 438                 if ( $shove && !$left ) { # Right
 439                         $s .= $this->getQuickbarCompensator( $rows );
 440                 }
 441                 $s .= "</tr>\n</table>\n</div>\n";
 442                 $s .= "\n<div id='article'>\n";
 443
 444                 if( $wgSiteNotice ) {
 445                         $s .= "\n<div id='siteNotice'>$wgSiteNotice</div>\n";
 446                 }
 447                 $s .= $this->pageTitle();
 448                 $s .= $this->pageSubtitle() ;
 449                 $s .= $this->getCategories();
 450                 wfProfileOut( $fname );
 451                 return $s;
 452         }
 453
 454
 455         function getCategoryLinks () {
 456                 global $wgOut, $wgTitle, $wgUser, $wgParser;
 457                 global $wgUseCategoryMagic, $wgUseCategoryBrowser, $wgLang;
 458
 459                 if( !$wgUseCategoryMagic ) return '' ;
 460                 if( count( $wgOut->mCategoryLinks ) == 0 ) return '';
 461
 462                 # Taken out so that they will be displayed in previews -- TS
 463                 #if( !$wgOut->isArticle() ) return '';
 464
 465                 $t = implode ( ' | ' , $wgOut->mCategoryLinks ) ;
 466                 $s = $this->makeKnownLink( 'Special:Categories',
 467                         wfMsg( 'categories' ), 'article=' . urlencode( $wgTitle->getPrefixedDBkey() ) )
 468                         . ': ' . $t;
 469
 470                 # optional 'dmoz-like' category browser. Will be shown under the list
 471                 # of categories an article belong to
 472                 if($wgUseCategoryBrowser) {
 473                         $s .= '<br/><hr/>';
 474
 475                         # get a big array of the parents tree
 476                         $parenttree = $wgTitle->getCategorieBrowser();
 477
 478                         # Render the array as a serie of links
 479                         function walkThrough ($tree) {
 480                                 global $wgUser;
 481                                 $sk = $wgUser->getSkin();
 482                                 $return = '';
 483                                 foreach($tree as $element => $parent) {
 484                                         if(empty($parent)) {
 485                                                 # element start a new list
 486                                                 $return .= '<br />';
 487                                         } else {
 488                                                 # grab the others elements
 489                                                 $return .= walkThrough($parent);
 490                                         }
 491                                         # add our current element to the list
 492                                         $eltitle = Title::NewFromText($element);
 493                                         # FIXME : should be makeLink() [AV]
 494                                         $return .= $sk->makeKnownLink($element, $eltitle->getText()).' &gt; ';
 495                                 }
 496                                 return $return;
 497                         }
 498
 499                         $s .= walkThrough($parenttree);
 500                 }
 501
 502                 return $s;
 503         }
 504
 505         function getCategories() {
 506                 $catlinks=$this->getCategoryLinks();
 507                 if(!empty($catlinks)) {
 508                         return "<p class='catlinks'>{$catlinks}</p>";
 509                 }
 510         }
 511
 512         function getQuickbarCompensator( $rows = 1 ) {
 513                 return "<td width='152' rowspan='{$rows}'>&nbsp;</td>";
 514         }
 515
 516         # This gets called immediately before the </body> tag.
 517         #
 518         function afterContent() {
 519                 global $wgUser, $wgOut, $wgServer;
 520                 global $wgTitle, $wgLang;
 521
 522                 $printfooter = "<div class=\"printfooter\">\n" . $this->printFooter() . "</div>\n";
 523                 return $printfooter . $this->doAfterContent();
 524         }
 525
 526         function printSource() {
 527                 global $wgTitle;
 528                 $url = htmlspecialchars( $wgTitle->getFullURL() );
 529                 return wfMsg( "retrievedfrom", "<a href=\"$url\">$url</a>" );
 530         }
 531
 532         function printFooter() {
 533                 return "<p>" .  $this->printSource() .
 534                         "</p>\n\n<p>" . $this->pageStats() . "</p>\n";
 535         }
 536
 537         function doAfterContent() {
 538         # overloaded by derived classes
 539         }
 540
 541         function pageTitleLinks() {
 542                 global $wgOut, $wgTitle, $wgUser, $wgContLang, $wgUseApproval, $wgRequest;
 543
 544                 extract( $wgRequest->getValues( 'oldid', 'diff' ) );
 545                 $action = $wgRequest->getText( 'action' );
 546
 547                 $s = $this->printableLink();
 548                 $disclaimer = $this->disclaimerLink(); # may be empty
 549                 if( $disclaimer ) {
 550                         $s .= ' | ' . $disclaimer;
 551                 }
 552
 553                 if ( $wgOut->isArticleRelated() ) {
 554                         if ( $wgTitle->getNamespace() == Namespace::getImage() ) {
 555                                 $name = $wgTitle->getDBkey();
 556                                 $link = htmlspecialchars( Image::wfImageUrl( $name ) );
 557                                 $style = $this->getInternalLinkAttributes( $link, $name );
 558                                 $s .= " | <a href=\"{$link}\"{$style}>{$name}</a>";
 559                         }
 560                         # This will show the "Approve" link if $wgUseApproval=true;
 561                         if ( isset ( $wgUseApproval ) && $wgUseApproval )
 562                         {
 563                                 $t = $wgTitle->getDBkey();
 564                                 $name = 'Approve this article' ;
 565                                 $link = "http://test.wikipedia.org/w/magnus/wiki.phtml?title={$t}&action=submit&doit=1" ;
 566                                 #htmlspecialchars( wfImageUrl( $name ) );
 567                                 $style = $this->getExternalLinkAttributes( $link, $name );
 568                                 $s .= " | <a href=\"{$link}\"{$style}>{$name}</a>" ;
 569                         }
 570                 }
 571                 if ( 'history' == $action || isset( $diff ) || isset( $oldid ) ) {
 572                         $s .= ' | ' . $this->makeKnownLink( $wgTitle->getPrefixedText(),
 573                                         wfMsg( 'currentrev' ) );
 574                 }
 575
 576                 if ( $wgUser->getNewtalk() ) {
 577                 # do not show "You have new messages" text when we are viewing our
 578                 # own talk page
 579
 580                         if(!(strcmp($wgTitle->getText(),$wgUser->getName()) == 0 &&
 581                                                 $wgTitle->getNamespace()==Namespace::getTalk(Namespace::getUser()))) {
 582                                 $n =$wgUser->getName();
 583                                 $tl = $this->makeKnownLink( $wgContLang->getNsText(
 584                                                         Namespace::getTalk( Namespace::getUser() ) ) . ":{$n}",
 585                                                 wfMsg('newmessageslink') );
 586                                 $s.= ' | <strong>'. wfMsg( 'newmessages', $tl ) . '</strong>';
 587                                 # disable caching
 588                                 $wgOut->setSquidMaxage(0);
 589                                 $wgOut->enableClientCache(false);
 590                         }
 591                 }
 592
 593                 $undelete = $this->getUndeleteLink();
 594                 if( !empty( $undelete ) ) {
 595                         $s .= ' | '.$undelete;
 596                 }
 597                 return $s;
 598         }
 599
 600         function getUndeleteLink() {
 601                 global $wgUser, $wgTitle, $wgContLang, $action;
 602                 if( $wgUser->isSysop() &&
 603                         (($wgTitle->getArticleId() == 0) || ($action == "history")) &&
 604                         ($n = $wgTitle->isDeleted() ) ) {
 605                         return wfMsg( 'thisisdeleted',
 606                                 $this->makeKnownLink(
 607                                         $wgContLang->SpecialPage( 'Undelete/' . $wgTitle->getPrefixedDBkey() ),
 608                                         wfMsg( 'restorelink', $n ) ) );
 609                 }
 610                 return '';
 611         }
 612
 613         function printableLink() {
 614                 global $wgOut, $wgFeedClasses, $wgRequest;
 615
 616                 $baseurl = $_SERVER['REQUEST_URI'];
 617                 if( strpos( '?', $baseurl ) == false ) {
 618                         $baseurl .= '?';
 619                 } else {
 620                         $baseurl .= '&';
 621                 }
 622                 $baseurl = htmlspecialchars( $baseurl );
 623                 $printurl = $wgRequest->escapeAppendQuery( 'printable=yes' );
 624
 625                 $s = "<a href=\"$printurl\">" . wfMsg( 'printableversion' ) . '</a>';
 626                 if( $wgOut->isSyndicated() ) {
 627                         foreach( $wgFeedClasses as $format => $class ) {
 628                                 $feedurl = $wgRequest->escapeAppendQuery( "feed=$format" );
 629                                 $s .= " | <a href=\"$feedurl\">{$format}</a>";
 630                         }
 631                 }
 632                 return $s;
 633         }
 634
 635         function pageTitle() {
 636                 global $wgOut, $wgTitle, $wgUser;
 637
 638                 $s = '<h1 class="pagetitle">' . htmlspecialchars( $wgOut->getPageTitle() ) . '</h1>';
 639                 if($wgUser->getOption( 'editsectiononrightclick' ) && $wgTitle->userCanEdit()) { $s=$this->editSectionScript($wgTitle, 0,$s);}
 640                 return $s;
 641         }
 642
 643         function pageSubtitle() {
 644                 global $wgOut;
 645
 646                 $sub = $wgOut->getSubtitle();
 647                 if ( '' == $sub ) {
 648                         global $wgExtraSubtitle;
 649                         $sub = wfMsg( 'tagline' ) . $wgExtraSubtitle;
 650                 }
 651                 $subpages = $this->subPageSubtitle();
 652                 $sub .= !empty($subpages)?"</p><p class='subpages'>$subpages":'';
 653                 $s = "<p class='subtitle'>{$sub}</p>\n";
 654                 return $s;
 655         }
 656
 657         function subPageSubtitle() {
 658                 global $wgOut,$wgTitle,$wgNamespacesWithSubpages;
 659                 $subpages = '';
 660                 if($wgOut->isArticle() && !empty($wgNamespacesWithSubpages[$wgTitle->getNamespace()])) {
 661                         $ptext=$wgTitle->getPrefixedText();
 662                         if(preg_match('/\//',$ptext)) {
 663                                 $links = explode('/',$ptext);
 664                                 $c = 0;
 665                                 $growinglink = '';
 666                                 foreach($links as $link) {
 667                                         $c++;
 668                                         if ($c<count($links)) {
 669                                                 $growinglink .= $link;
 670                                                 $getlink = $this->makeLink( $growinglink, $link );
 671                                                 if(preg_match('/class="new"/i',$getlink)) { break; } # this is a hack, but it saves time
 672                                                 if ($c>1) {
 673                                                         $subpages .= ' | ';
 674                                                 } else  {
 675                                                         $subpages .= '&lt; ';
 676                                                 }
 677                                                 $subpages .= $getlink;
 678                                                 $growinglink .= '/';
 679                                         }
 680                                 }
 681                         }
 682                 }
 683                 return $subpages;
 684         }
 685
 686         function nameAndLogin() {
 687                 global $wgUser, $wgTitle, $wgLang, $wgContLang, $wgShowIPinHeader, $wgIP;
 688
 689                 $li = $wgContLang->specialPage( 'Userlogin' );
 690                 $lo = $wgContLang->specialPage( 'Userlogout' );
 691
 692                 $s = '';
 693                 if ( 0 == $wgUser->getID() ) {
 694                         if( $wgShowIPinHeader && isset(  $_COOKIE[ini_get('session.name')] ) ) {
 695                                 $n = $wgIP;
 696
 697                                 $tl = $this->makeKnownLink( $wgContLang->getNsText(
 698                                   Namespace::getTalk( Namespace::getUser() ) ) . ":{$n}",
 699                                   $wgContLang->getNsText( Namespace::getTalk( 0 ) ) );
 700
 701                                 $s .= $n . ' ('.$tl.')';
 702                         } else {
 703                                 $s .= wfMsg('notloggedin');
 704                         }
 705
 706                         $rt = $wgTitle->getPrefixedURL();
 707                         if ( 0 == strcasecmp( urlencode( $lo ), $rt ) ) {
 708                                 $q = '';
 709                         } else { $q = "returnto={$rt}"; }
 710
 711                         $s .= "\n<br />" . $this->makeKnownLink( $li,
 712                           wfMsg( 'login' ), $q );
 713                 } else {
 714                         $n = $wgUser->getName();
 715                         $rt = $wgTitle->getPrefixedURL();
 716                         $tl = $this->makeKnownLink( $wgContLang->getNsText(
 717                           Namespace::getTalk( Namespace::getUser() ) ) . ":{$n}",
 718                           $wgContLang->getNsText( Namespace::getTalk( 0 ) ) );
 719
 720                         $tl = " ({$tl})";
 721
 722                         $s .= $this->makeKnownLink( $wgContLang->getNsText(
 723                           Namespace::getUser() ) . ":{$n}", $n ) . "{$tl}<br />" .
 724                           $this->makeKnownLink( $lo, wfMsg( 'logout' ),
 725                           "returnto={$rt}" ) . ' | ' .
 726                           $this->specialLink( 'preferences' );
 727                 }
 728                 $s .= ' | ' . $this->makeKnownLink( wfMsgForContent( 'helppage' ),
 729                   wfMsg( 'help' ) );
 730
 731                 return $s;
 732         }
 733
 734         function getSearchLink() {
 735                 $searchPage =& Title::makeTitle( NS_SPECIAL, 'Search' );
 736                 return $searchPage->getLocalURL();
 737         }
 738
 739         function escapeSearchLink() {
 740                 return htmlspecialchars( $this->getSearchLink() );
 741         }
 742
 743         function searchForm() {
 744                 global $wgRequest;
 745                 $search = $wgRequest->getText( 'search' );
 746
 747                 $s = '<form name="search" class="inline" method="post" action="'
 748                   . $this->escapeSearchLink() . "\">\n"
 749                   . '<input type="text" name="search" size="19" value="'
 750                   . htmlspecialchars(substr($search,0,256)) . "\" />\n"
 751                   . '<input type="submit" name="go" value="' . wfMsg ('go') . '" />&nbsp;'
 752                   . '<input type="submit" name="fulltext" value="' . wfMsg ('search') . "\" />\n</form>";
 753
 754                 return $s;
 755         }
 756
 757         function topLinks() {
 758                 global $wgOut;
 759                 $sep = " |\n";
 760
 761                 $s = $this->mainPageLink() . $sep
 762                   . $this->specialLink( 'recentchanges' );
 763
 764                 if ( $wgOut->isArticleRelated() ) {
 765                         $s .=  $sep . $this->editThisPage()
 766                           . $sep . $this->historyLink();
 767                 }
 768                 # Many people don't like this dropdown box
 769                 #$s .= $sep . $this->specialPagesList();
 770
 771                 return $s;
 772         }
 773
 774         function bottomLinks() {
 775                 global $wgOut, $wgUser, $wgTitle;
 776                 $sep = " |\n";
 777
 778                 $s = '';
 779                 if ( $wgOut->isArticleRelated() ) {
 780                         $s .= '<strong>' . $this->editThisPage() . '</strong>';
 781                         if ( 0 != $wgUser->getID() ) {
 782                                 $s .= $sep . $this->watchThisPage();
 783                         }
 784                         $s .= $sep . $this->talkLink()
 785                           . $sep . $this->historyLink()
 786                           . $sep . $this->whatLinksHere()
 787                           . $sep . $this->watchPageLinksLink();
 788
 789                         if ( $wgTitle->getNamespace() == Namespace::getUser()
 790                             || $wgTitle->getNamespace() == Namespace::getTalk(Namespace::getUser()) )
 791
 792                         {
 793                                 $id=User::idFromName($wgTitle->getText());
 794                                 $ip=User::isIP($wgTitle->getText());
 795
 796                                 if($id || $ip) { # both anons and non-anons have contri list
 797                                         $s .= $sep . $this->userContribsLink();
 798                                 }
 799                                 if ( 0 != $wgUser->getID() ) { # show only to signed in users
 800                                         if($id) {       # can only email non-anons
 801                                                 $s .= $sep . $this->emailUserLink();
 802                                         }
 803                                 }
 804                         }
 805                         if ( $wgUser->isSysop() && $wgTitle->getArticleId() ) {
 806                                 $s .= "\n<br />" . $this->deleteThisPage() .
 807                                 $sep . $this->protectThisPage() .
 808                                 $sep . $this->moveThisPage();
 809                         }
 810                         $s .= "<br />\n" . $this->otherLanguages();
 811                 }
 812                 return $s;
 813         }
 814
 815         function pageStats() {
 816                 global $wgOut, $wgLang, $wgArticle, $wgRequest;
 817                 global $wgDisableCounters, $wgMaxCredits, $wgShowCreditsIfMax;
 818
 819                 extract( $wgRequest->getValues( 'oldid', 'diff' ) );
 820                 if ( ! $wgOut->isArticle() ) { return ''; }
 821                 if ( isset( $oldid ) || isset( $diff ) ) { return ''; }
 822                 if ( 0 == $wgArticle->getID() ) { return ''; }
 823
 824                 $s = '';
 825                 if ( !$wgDisableCounters ) {
 826                         $count = $wgLang->formatNum( $wgArticle->getCount() );
 827                         if ( $count ) {
 828                                 $s = wfMsg( 'viewcount', $count );
 829                         }
 830                 }
 831
 832                 if (isset($wgMaxCredits) && $wgMaxCredits != 0) {
 833                     require_once("Credits.php");
 834                     $s .= ' ' . getCredits($wgArticle, $wgMaxCredits, $wgShowCreditsIfMax);
 835                 } else {
 836                     $s .= $this->lastModified();
 837                 }
 838
 839                 return $s . ' ' .  $this->getCopyright();
 840         }
 841
 842         function getCopyright() {
 843                 global $wgRightsPage, $wgRightsUrl, $wgRightsText, $wgRequest;
 844
 845
 846                 $oldid = $wgRequest->getVal( 'oldid' );
 847                 $diff = $wgRequest->getVal( 'diff' );
 848
 849                 if ( !is_null( $oldid ) && is_null( $diff ) && wfMsgForContent( 'history_copyright' ) !== '-' ) {
 850                         $msg = 'history_copyright';
 851                 } else {
 852                         $msg = 'copyright';
 853                 }
 854
 855                 $out = '';
 856                 if( $wgRightsPage ) {
 857                         $link = $this->makeKnownLink( $wgRightsPage, $wgRightsText );
 858                 } elseif( $wgRightsUrl ) {
 859                         $link = $this->makeExternalLink( $wgRightsUrl, $wgRightsText );
 860                 } else {
 861                         # Give up now
 862                         return $out;
 863                 }
 864                 $out .= wfMsgForContent( $msg, $link );
 865                 return $out;
 866         }
 867
 868         function getCopyrightIcon() {
 869                 global $wgRightsPage, $wgRightsUrl, $wgRightsText, $wgRightsIcon;
 870                 $out = '';
 871                 if( $wgRightsIcon ) {
 872                         $icon = htmlspecialchars( $wgRightsIcon );
 873                         if( $wgRightsUrl ) {
 874                                 $url = htmlspecialchars( $wgRightsUrl );
 875                                 $out .= '<a href="'.$url.'">';
 876                         }
 877                         $text = htmlspecialchars( $wgRightsText );
 878                         $out .= "<img src=\"$icon\" alt='$text' />";
 879                         if( $wgRightsUrl ) {
 880                                 $out .= '</a>';
 881                         }
 882                 }
 883                 return $out;
 884         }
 885
 886         function getPoweredBy() {
 887                 global $wgStylePath;
 888                 $url = htmlspecialchars( "$wgStylePath/common/images/poweredby_mediawiki_88x31.png" );
 889                 $img = '<a href="http://www.mediawiki.org/"><img src="'.$url.'" alt="MediaWiki" /></a>';
 890                 return $img;
 891         }
 892
 893         function lastModified() {
 894                 global $wgLang, $wgArticle;
 895
 896                 $timestamp = $wgArticle->getTimestamp();
 897                 if ( $timestamp ) {
 898                         $d = $wgLang->timeanddate( $wgArticle->getTimestamp(), true );
 899                         $s = ' ' . wfMsg( 'lastmodified', $d );
 900                 } else {
 901                         $s = '';
 902                 }
 903                 return $s;
 904         }
 905
 906         function logoText( $align = '' ) {
 907                 if ( '' != $align ) { $a = " align='{$align}'"; }
 908                 else { $a = ''; }
 909
 910                 $mp = wfMsg( 'mainpage' );
 911                 $titleObj = Title::newFromText( $mp );
 912                 if ( is_object( $titleObj ) ) {
 913                         $url = $titleObj->escapeLocalURL();
 914                 } else {
 915                         $url = '';
 916                 }
 917
 918                 $logourl = $this->getLogo();
 919                 $s = "<a href='{$url}'><img{$a} src='{$logourl}' alt='[{$mp}]' /></a>";
 920                 return $s;
 921         }
 922
 923         function specialPagesList() {
 924                 global $wgUser, $wgOut, $wgContLang, $wgServer, $wgRedirectScript;
 925                 require_once('SpecialPage.php');
 926                 $a = array();
 927                 $pages = SpecialPage::getPages();
 928
 929                 foreach ( $pages[''] as $name => $page ) {
 930                         $a[$name] = $page->getDescription();
 931                 }
 932                 if ( $wgUser->isSysop() )
 933                 {
 934                         foreach ( $pages['sysop'] as $name => $page ) {
 935                                 $a[$name] = $page->getDescription();
 936                         }
 937                 }
 938                 if ( $wgUser->isDeveloper() )
 939                 {
 940                         foreach ( $pages['developer'] as $name => $page ) {
 941                                 $a[$name] = $page->getDescription() ;
 942                         }
 943                 }
 944                 $go = wfMsg( 'go' );
 945                 $sp = wfMsg( 'specialpages' );
 946                 $spp = $wgContLang->specialPage( 'Specialpages' );
 947
 948                 $s = '<form id="specialpages" method="get" class="inline" ' .
 949                   'action="' . htmlspecialchars( "{$wgServer}{$wgRedirectScript}" ) . "\">\n";
 950                 $s .= "<select name=\"wpDropdown\">\n";
 951                 $s .= "<option value=\"{$spp}\">{$sp}</option>\n";
 952
 953                 foreach ( $a as $name => $desc ) {
 954                         $p = $wgContLang->specialPage( $name );
 955                         $s .= "<option value=\"{$p}\">{$desc}</option>\n";
 956                 }
 957                 $s .= "</select>\n";
 958                 $s .= "<input type='submit' value=\"{$go}\" name='redirect' />\n";
 959                 $s .= "</form>\n";
 960                 return $s;
 961         }
 962
 963         function mainPageLink() {
 964                 $mp = wfMsgForContent( 'mainpage' );
 965                 $mptxt = wfMsg( 'mainpage');
 966                 $s = $this->makeKnownLink( $mp, $mptxt );
 967                 return $s;
 968         }
 969
 970         function copyrightLink() {
 971                 $s = $this->makeKnownLink( wfMsgForContent( 'copyrightpage' ),
 972                   wfMsg( 'copyrightpagename' ) );
 973                 return $s;
 974         }
 975
 976         function aboutLink() {
 977                 $s = $this->makeKnownLink( wfMsgForContent( 'aboutpage' ),
 978                   wfMsg( 'aboutsite' ) );
 979                 return $s;
 980         }
 981
 982
 983         function disclaimerLink() {
 984                 $disclaimers = wfMsg( 'disclaimers' );
 985                 if ($disclaimers == '-') {
 986                         return "";
 987                 } else {
 988                         return $this->makeKnownLink( wfMsgForContent( 'disclaimerpage' ),
 989                                                      $disclaimers );
 990                 }
 991         }
 992
 993         function editThisPage() {
 994                 global $wgOut, $wgTitle, $wgRequest;
 995
 996                 $oldid = $wgRequest->getVal( 'oldid' );
 997                 $diff = $wgRequest->getVal( 'diff' );
 998                 $redirect = $wgRequest->getVal( 'redirect' );
 999
1000                 if ( ! $wgOut->isArticleRelated() ) {
1001                         $s = wfMsg( 'protectedpage' );
1002                 } else {
1003                         $n = $wgTitle->getPrefixedText();
1004                         if ( $wgTitle->userCanEdit() ) {
1005                                 $t = wfMsg( 'editthispage' );
1006                         } else {
1007                                 #$t = wfMsg( "protectedpage" );
1008                                 $t = wfMsg( 'viewsource' );
1009                         }
1010                         $oid = $red = '';
1011
1012                         if ( !is_null( $redirect ) ) { $red = "&redirect={$redirect}"; }
1013                         if ( $oldid && ! isset( $diff ) ) {
1014                                 $oid = '&oldid='.$oldid;
1015                         }
1016                         $s = $this->makeKnownLink( $n, $t, "action=edit{$oid}{$red}" );
1017                 }
1018                 return $s;
1019         }
1020
1021         function deleteThisPage() {
1022                 global $wgUser, $wgOut, $wgTitle, $wgRequest;
1023
1024                 $diff = $wgRequest->getVal( 'diff' );
1025                 if ( $wgTitle->getArticleId() && ( ! $diff ) && $wgUser->isSysop() ) {
1026                         $n = $wgTitle->getPrefixedText();
1027                         $t = wfMsg( 'deletethispage' );
1028
1029                         $s = $this->makeKnownLink( $n, $t, 'action=delete' );
1030                 } else {
1031                         $s = '';
1032                 }
1033                 return $s;
1034         }
1035
1036         function protectThisPage() {
1037                 global $wgUser, $wgOut, $wgTitle, $wgRequest;
1038
1039                 $diff = $wgRequest->getVal( 'diff' );
1040                 if ( $wgTitle->getArticleId() && ( ! $diff ) && $wgUser->isSysop() ) {
1041                         $n = $wgTitle->getPrefixedText();
1042
1043                         if ( $wgTitle->isProtected() ) {
1044                                 $t = wfMsg( 'unprotectthispage' );
1045                                 $q = 'action=unprotect';
1046                         } else {
1047                                 $t = wfMsg( 'protectthispage' );
1048                                 $q = 'action=protect';
1049                         }
1050                         $s = $this->makeKnownLink( $n, $t, $q );
1051                 } else {
1052                         $s = '';
1053                 }
1054                 return $s;
1055         }
1056
1057         function watchThisPage() {
1058                 global $wgUser, $wgOut, $wgTitle;
1059
1060                 if ( $wgOut->isArticleRelated() ) {
1061                         $n = $wgTitle->getPrefixedText();
1062
1063                         if ( $wgTitle->userIsWatching() ) {
1064                                 $t = wfMsg( 'unwatchthispage' );
1065                                 $q = 'action=unwatch';
1066                         } else {
1067                                 $t = wfMsg( 'watchthispage' );
1068                                 $q = 'action=watch';
1069                         }
1070                         $s = $this->makeKnownLink( $n, $t, $q );
1071                 } else {
1072                         $s = wfMsg( 'notanarticle' );
1073                 }
1074                 return $s;
1075         }
1076
1077         function moveThisPage() {
1078                 global $wgTitle, $wgContLang;
1079
1080                 if ( $wgTitle->userCanEdit() ) {
1081                         $s = $this->makeKnownLink( $wgContLang->specialPage( 'Movepage' ),
1082                           wfMsg( 'movethispage' ), 'target=' . $wgTitle->getPrefixedURL() );
1083                 } // no message if page is protected - would be redundant
1084                 return $s;
1085         }
1086
1087         function historyLink() {
1088                 global $wgTitle;
1089
1090                 $s = $this->makeKnownLink( $wgTitle->getPrefixedText(),
1091                   wfMsg( 'history' ), 'action=history' );
1092                 return $s;
1093         }
1094
1095         function whatLinksHere() {
1096                 global $wgTitle, $wgContLang;
1097
1098                 $s = $this->makeKnownLink( $wgContLang->specialPage( 'Whatlinkshere' ),
1099                   wfMsg( 'whatlinkshere' ), 'target=' . $wgTitle->getPrefixedURL() );
1100                 return $s;
1101         }
1102
1103         function userContribsLink() {
1104                 global $wgTitle, $wgContLang;
1105
1106                 $s = $this->makeKnownLink( $wgContLang->specialPage( 'Contributions' ),
1107                   wfMsg( 'contributions' ), 'target=' . $wgTitle->getPartialURL() );
1108                 return $s;
1109         }
1110
1111         function emailUserLink() {
1112                 global $wgTitle, $wgContLang;
1113
1114                 $s = $this->makeKnownLink( $wgContLang->specialPage( 'Emailuser' ),
1115                   wfMsg( 'emailuser' ), 'target=' . $wgTitle->getPartialURL() );
1116                 return $s;
1117         }
1118
1119         function watchPageLinksLink() {
1120                 global $wgOut, $wgTitle, $wgContLang;
1121
1122                 if ( ! $wgOut->isArticleRelated() ) {
1123                         $s = '(' . wfMsg( 'notanarticle' ) . ')';
1124                 } else {
1125                         $s = $this->makeKnownLink( $wgContLang->specialPage(
1126                           'Recentchangeslinked' ), wfMsg( 'recentchangeslinked' ),
1127                           'target=' . $wgTitle->getPrefixedURL() );
1128                 }
1129                 return $s;
1130         }
1131
1132         function otherLanguages() {
1133                 global $wgOut, $wgContLang, $wgTitle, $wgUseNewInterlanguage;
1134
1135                 $a = $wgOut->getLanguageLinks();
1136                 if ( 0 == count( $a ) ) {
1137                         if ( !$wgUseNewInterlanguage ) return '';
1138                         $ns = $wgContLang->getNsIndex ( $wgTitle->getNamespace () ) ;
1139                         if ( $ns != 0 AND $ns != 1 ) return '' ;
1140                         $pn = 'Intl' ;
1141                         $x = 'mode=addlink&xt='.$wgTitle->getDBkey() ;
1142                         return $this->makeKnownLink( $wgContLang->specialPage( $pn ),
1143                                   wfMsg( 'intl' ) , $x );
1144                         }
1145
1146                 if ( !$wgUseNewInterlanguage ) {
1147                         $s = wfMsg( 'otherlanguages' ) . ': ';
1148                 } else {
1149                         global $wgContLanguageCode ;
1150                         $x = 'mode=zoom&xt='.$wgTitle->getDBkey() ;
1151                         $x .= '&xl='.$wgContLanguageCode ;
1152                         $s =  $this->makeKnownLink( $wgContLang->specialPage( 'Intl' ),
1153                                   wfMsg( 'otherlanguages' ) , $x ) . ': ' ;
1154                         }
1155
1156                 $s = wfMsg( 'otherlanguages' ) . ': ';
1157                 $first = true;
1158                 if($wgContLang->isRTL()) $s .= '<span dir="LTR">';
1159                 foreach( $a as $l ) {
1160                         if ( ! $first ) { $s .= ' | '; }
1161                         $first = false;
1162
1163                         $nt = Title::newFromText( $l );
1164                         $url = $nt->getFullURL();
1165                         $text = $wgContLang->getLanguageName( $nt->getInterwiki() );
1166
1167                         if ( '' == $text ) { $text = $l; }
1168                         $style = $this->getExternalLinkAttributes( $l, $text );
1169                         $s .= "<a href=\"{$url}\"{$style}>{$text}</a>";
1170                 }
1171                 if($wgContLang->isRTL()) $s .= '</span>';
1172                 return $s;
1173         }
1174
1175         function bugReportsLink() {
1176                 $s = $this->makeKnownLink( wfMsgForContent( 'bugreportspage' ),
1177                   wfMsg( 'bugreports' ) );
1178                 return $s;
1179         }
1180
1181         function dateLink() {
1182                 global $wgLinkCache;
1183                 $t1 = Title::newFromText( gmdate( 'F j' ) );
1184                 $t2 = Title::newFromText( gmdate( 'Y' ) );
1185
1186                 $wgLinkCache->suspend();
1187                 $id = $t1->getArticleID();
1188                 $wgLinkCache->resume();
1189
1190                 if ( 0 == $id ) {
1191                         $s = $this->makeBrokenLink( $t1->getText() );
1192                 } else {
1193                         $s = $this->makeKnownLink( $t1->getText() );
1194                 }
1195                 $s .= ', ';
1196
1197                 $wgLinkCache->suspend();
1198                 $id = $t2->getArticleID();
1199                 $wgLinkCache->resume();
1200
1201                 if ( 0 == $id ) {
1202                         $s .= $this->makeBrokenLink( $t2->getText() );
1203                 } else {
1204                         $s .= $this->makeKnownLink( $t2->getText() );
1205                 }
1206                 return $s;
1207         }
1208
1209         function talkLink() {
1210                 global $wgContLang, $wgTitle, $wgLinkCache;
1211
1212                 $tns = $wgTitle->getNamespace();
1213                 if ( -1 == $tns ) { return ''; }
1214
1215                 $pn = $wgTitle->getText();
1216                 $tp = wfMsg( 'talkpage' );
1217                 if ( Namespace::isTalk( $tns ) ) {
1218                         $lns = Namespace::getSubject( $tns );
1219                         switch($tns) {
1220                                 case 1:
1221                                 $text = wfMsg('articlepage');
1222                                 break;
1223                                 case 3:
1224                                 $text = wfMsg('userpage');
1225                                 break;
1226                                 case 5:
1227                                 $text = wfMsg('wikipediapage');
1228                                 break;
1229                                 case 7:
1230                                 $text = wfMsg('imagepage');
1231                                 break;
1232                                 default:
1233                                 $text= wfMsg('articlepage');
1234                         }
1235                 } else {
1236
1237                         $lns = Namespace::getTalk( $tns );
1238                         $text=$tp;
1239                 }
1240                 $n = $wgContLang->getNsText( $lns );
1241                 if ( '' == $n ) { $link = $pn; }
1242                 else { $link = $n.':'.$pn; }
1243
1244                 $wgLinkCache->suspend();
1245                 $s = $this->makeLink( $link, $text );
1246                 $wgLinkCache->resume();
1247
1248                 return $s;
1249         }
1250
1251         function commentLink() {
1252                 global $wgContLang, $wgTitle, $wgLinkCache;
1253
1254                 $tns = $wgTitle->getNamespace();
1255                 if ( -1 == $tns ) { return ''; }
1256
1257                 $lns = ( Namespace::isTalk( $tns ) ) ? $tns : Namespace::getTalk( $tns );
1258
1259                 # assert Namespace::isTalk( $lns )
1260
1261                 $n = $wgContLang->getNsText( $lns );
1262                 $pn = $wgTitle->getText();
1263
1264                 $link = $n.':'.$pn;
1265
1266                 $wgLinkCache->suspend();
1267                 $s = $this->makeKnownLink($link, wfMsg('postcomment'), 'action=edit&section=new');
1268                 $wgLinkCache->resume();
1269
1270                 return $s;
1271         }
1272
1273         /**
1274          * After all the page content is transformed into HTML, it makes
1275          * a final pass through here for things like table backgrounds.
1276          * @todo probably deprecated [AV]
1277          */
1278         function transformContent( $text ) {
1279                 return $text;
1280         }
1281
1282         /**
1283          * Note: This function MUST call getArticleID() on the link,
1284          * otherwise the cache won't get updated properly.  See LINKCACHE.DOC.
1285          */
1286         function makeLink( $title, $text = '', $query = '', $trail = '' ) {
1287                 wfProfileIn( 'Skin::makeLink' );
1288                 $nt = Title::newFromText( $title );
1289                 if ($nt) {
1290                         $result = $this->makeLinkObj( Title::newFromText( $title ), $text, $query, $trail );
1291                 } else {
1292                         wfDebug( 'Invalid title passed to Skin::makeLink(): "'.$title."\"\n" );
1293                         $result = $text == "" ? $title : $text;
1294                 }
1295
1296                 wfProfileOut( 'Skin::makeLink' );
1297                 return $result;
1298         }
1299
1300         function makeKnownLink( $title, $text = '', $query = '', $trail = '', $prefix = '',$aprops = '') {
1301                 $nt = Title::newFromText( $title );
1302                 if ($nt) {
1303                         return $this->makeKnownLinkObj( Title::newFromText( $title ), $text, $query, $trail, $prefix , $aprops );
1304                 } else {
1305                         wfDebug( 'Invalid title passed to Skin::makeKnownLink(): "'.$title."\"\n" );
1306                         return $text == '' ? $title : $text;
1307                 }
1308         }
1309
1310         function makeBrokenLink( $title, $text = '', $query = '', $trail = '' ) {
1311                 $nt = Title::newFromText( $title );
1312                 if ($nt) {
1313                         return $this->makeBrokenLinkObj( Title::newFromText( $title ), $text, $query, $trail );
1314                 } else {
1315                         wfDebug( 'Invalid title passed to Skin::makeBrokenLink(): "'.$title."\"\n" );
1316                         return $text == '' ? $title : $text;
1317                 }
1318         }
1319
1320         function makeStubLink( $title, $text = '', $query = '', $trail = '' ) {
1321                 $nt = Title::newFromText( $title );
1322                 if ($nt) {
1323                         return $this->makeStubLinkObj( Title::newFromText( $title ), $text, $query, $trail );
1324                 } else {
1325                         wfDebug( 'Invalid title passed to Skin::makeStubLink(): "'.$title."\"\n" );
1326                         return $text == '' ? $title : $text;
1327                 }
1328         }
1329
1330         /**
1331          * Pass a title object, not a title string
1332          */
1333         function makeLinkObj( &$nt, $text= '', $query = '', $trail = '', $prefix = '' ) {
1334                 global $wgOut, $wgUser, $wgLinkHolders;
1335                 $fname = 'Skin::makeLinkObj';
1336
1337                 # Fail gracefully
1338                 if ( ! isset($nt) ) {
1339                         # wfDebugDieBacktrace();
1340                         return "<!-- ERROR -->{$prefix}{$text}{$trail}";
1341                 }
1342
1343                 if ( $nt->isExternal() ) {
1344                         $u = $nt->getFullURL();
1345                         $link = $nt->getPrefixedURL();
1346                         if ( '' == $text ) { $text = $nt->getPrefixedText(); }
1347                         $style = $this->getExternalLinkAttributes( $link, $text, 'extiw' );
1348
1349                         $inside = '';
1350                         if ( '' != $trail ) {
1351                                 if ( preg_match( '/^([a-z]+)(.*)$$/sD', $trail, $m ) ) {
1352                                         $inside = $m[1];
1353                                         $trail = $m[2];
1354                                 }
1355                         }
1356                         # Assume $this->postParseLinkColour(). This prevents
1357                         # interwiki links from being parsed as external links.
1358                         global $wgInterwikiLinkHolders;
1359                         $t = "<a href=\"{$u}\"{$style}>{$text}{$inside}</a>";
1360                         $nr = array_push($wgInterwikiLinkHolders, $t);
1361                         $retVal = '<!--IWLINK '. ($nr-1) ."-->{$trail}";
1362                 } elseif ( 0 == $nt->getNamespace() && "" == $nt->getText() ) {
1363                         $retVal = $this->makeKnownLinkObj( $nt, $text, $query, $trail, $prefix );
1364                 } elseif ( ( -1 == $nt->getNamespace() ) ||
1365                                 ( NS_IMAGE == $nt->getNamespace() ) ) {
1366                         $retVal = $this->makeKnownLinkObj( $nt, $text, $query, $trail, $prefix );
1367                 } else {
1368                         if ( $this->postParseLinkColour() ) {
1369                                 $inside = '';
1370                                 if ( '' != $trail ) {
1371                                         if ( preg_match( $this->linktrail, $trail, $m ) ) {
1372                                                 $inside = $m[1];
1373                                                 $trail = $m[2];
1374                                         }
1375                                 }
1376
1377                                 # Allows wiki to bypass using linkcache, see OutputPage::parseLinkHolders()
1378                                 $nr = array_push( $wgLinkHolders['namespaces'], $nt->getNamespace() );
1379                                 $wgLinkHolders['dbkeys'][] = $nt->getDBkey();
1380                                 $wgLinkHolders['queries'][] = $query;
1381                                 $wgLinkHolders['texts'][] = $prefix.$text.$inside;
1382                                 $wgLinkHolders['titles'][] = $nt;
1383
1384                                 $retVal = '<!--LINK '. ($nr-1) ."-->{$trail}";
1385                         } else {
1386                                 # Work out link colour immediately
1387                                 $aid = $nt->getArticleID() ;
1388                                 if ( 0 == $aid ) {
1389                                         $retVal = $this->makeBrokenLinkObj( $nt, $text, $query, $trail, $prefix );
1390                                 } else {
1391                                         $threshold = $wgUser->getOption('stubthreshold') ;
1392                                         if ( $threshold > 0 ) {
1393                                                 $dbr =& wfGetDB( DB_SLAVE );
1394                                                 $s = $dbr->selectRow( 'cur', array( 'LENGTH(cur_text) AS x', 'cur_namespace',
1395                                                         'cur_is_redirect' ), array( 'cur_id' => $aid ), $fname ) ;
1396                                                 if ( $s !== false ) {
1397                                                         $size = $s->x;
1398                                                         if ( $s->cur_is_redirect OR $s->cur_namespace != 0 ) {
1399                                                                 $size = $threshold*2 ; # Really big
1400                                                         }
1401                                                         $dbr->freeResult( $res );
1402                                                 } else {
1403                                                         $size = $threshold*2 ; # Really big
1404                                                 }
1405                                         } else {
1406                                                 $size = 1 ;
1407                                         }
1408                                         if ( $size < $threshold ) {
1409                                                 $retVal = $this->makeStubLinkObj( $nt, $text, $query, $trail, $prefix );
1410                                         } else {
1411                                                 $retVal = $this->makeKnownLinkObj( $nt, $text, $query, $trail, $prefix );
1412                                         }
1413                                 }
1414                         }
1415                 }
1416                 return $retVal;
1417         }
1418
1419         /**
1420          * Pass a title object, not a title string
1421          */
1422         function makeKnownLinkObj( &$nt, $text = '', $query = '', $trail = '', $prefix = '' , $aprops = '' ) {
1423                 global $wgOut, $wgTitle, $wgInputEncoding;
1424
1425                 $fname = 'Skin::makeKnownLinkObj';
1426                 wfProfileIn( $fname );
1427
1428                 if ( !is_object( $nt ) ) {
1429                         return $text;
1430                 }
1431                 $link = $nt->getPrefixedURL();
1432 #               if ( '' != $section && substr($section,0,1) != "#" ) {
1433 #                       $section = ''
1434
1435                 if ( '' == $link ) {
1436                         $u = '';
1437                         if ( '' == $text ) {
1438                                 $text = htmlspecialchars( $nt->getFragment() );
1439                         }
1440                 } else {
1441                         $u = $nt->escapeLocalURL( $query );
1442                 }
1443                 if ( '' != $nt->getFragment() ) {
1444                         $anchor = urlencode( do_html_entity_decode( str_replace(' ', '_', $nt->getFragment()), ENT_COMPAT, $wgInputEncoding ) );
1445                         $replacearray = array(
1446                                 '%3A' => ':',
1447                                 '%' => '.'
1448                         );
1449                         $u .= '#' . str_replace(array_keys($replacearray),array_values($replacearray),$anchor);
1450                 }
1451                 if ( '' == $text ) {
1452                         $text = htmlspecialchars( $nt->getPrefixedText() );
1453                 }
1454                 $style = $this->getInternalLinkAttributesObj( $nt, $text );
1455
1456                 $inside = '';
1457                 if ( '' != $trail ) {
1458                         if ( preg_match( $this->linktrail, $trail, $m ) ) {
1459                                 $inside = $m[1];
1460                                 $trail = $m[2];
1461                         }
1462                 }
1463                 $r = "<a href=\"{$u}\"{$style}{$aprops}>{$prefix}{$text}{$inside}</a>{$trail}";
1464                 wfProfileOut( $fname );
1465                 return $r;
1466         }
1467
1468         /**
1469          * Pass a title object, not a title string
1470          */
1471         function makeBrokenLinkObj( &$nt, $text = '', $query = '', $trail = '', $prefix = '' ) {
1472                 global $wgOut, $wgUser;
1473
1474                 # Fail gracefully
1475                 if ( ! isset($nt) ) {
1476                         # wfDebugDieBacktrace();
1477                         return "<!-- ERROR -->{$prefix}{$text}{$trail}";
1478                 }
1479
1480                 $fname = 'Skin::makeBrokenLinkObj';
1481                 wfProfileIn( $fname );
1482
1483                 if ( '' == $query ) {
1484                         $q = 'action=edit';
1485                 } else {
1486                         $q = 'action=edit&'.$query;
1487                 }
1488                 $u = $nt->escapeLocalURL( $q );
1489
1490                 if ( '' == $text ) {
1491                         $text = htmlspecialchars( $nt->getPrefixedText() );
1492                 }
1493                 $style = $this->getInternalLinkAttributesObj( $nt, $text, "yes" );
1494
1495                 $inside = '';
1496                 if ( '' != $trail ) {
1497                         if ( preg_match( $this->linktrail, $trail, $m ) ) {
1498                                 $inside = $m[1];
1499                                 $trail = $m[2];
1500                         }
1501                 }
1502                 if ( $wgUser->getOption( 'highlightbroken' ) ) {
1503                         $s = "<a href=\"{$u}\"{$style}>{$prefix}{$text}{$inside}</a>{$trail}";
1504                 } else {
1505                         $s = "{$prefix}{$text}{$inside}<a href=\"{$u}\"{$style}>?</a>{$trail}";
1506                 }
1507
1508                 wfProfileOut( $fname );
1509                 return $s;
1510         }
1511
1512         /**
1513          * Pass a title object, not a title string
1514          */
1515         function makeStubLinkObj( &$nt, $text = '', $query = '', $trail = '', $prefix = '' ) {
1516                 global $wgOut, $wgUser;
1517
1518                 $link = $nt->getPrefixedURL();
1519
1520                 $u = $nt->escapeLocalURL( $query );
1521
1522                 if ( '' == $text ) {
1523                         $text = htmlspecialchars( $nt->getPrefixedText() );
1524                 }
1525                 $style = $this->getInternalLinkAttributesObj( $nt, $text, 'stub' );
1526
1527                 $inside = '';
1528                 if ( '' != $trail ) {
1529                         if ( preg_match( $this->linktrail, $trail, $m ) ) {
1530                                 $inside = $m[1];
1531                                 $trail = $m[2];
1532                         }
1533                 }
1534                 if ( $wgUser->getOption( 'highlightbroken' ) ) {
1535                         $s = "<a href=\"{$u}\"{$style}>{$prefix}{$text}{$inside}</a>{$trail}";
1536                 } else {
1537                         $s = "{$prefix}{$text}{$inside}<a href=\"{$u}\"{$style}>!</a>{$trail}";
1538                 }
1539                 return $s;
1540         }
1541
1542         function makeSelfLinkObj( &$nt, $text = '', $query = '', $trail = '', $prefix = '' ) {
1543                 $u = $nt->escapeLocalURL( $query );
1544                 if ( '' == $text ) {
1545                         $text = htmlspecialchars( $nt->getPrefixedText() );
1546                 }
1547                 $inside = '';
1548                 if ( '' != $trail ) {
1549                         if ( preg_match( $this->linktrail, $trail, $m ) ) {
1550                                 $inside = $m[1];
1551                                 $trail = $m[2];
1552                         }
1553                 }
1554                 return "<strong>{$prefix}{$text}{$inside}</strong>{$trail}";
1555         }
1556
1557         /* these are used extensively in SkinPHPTal, but also some other places */
1558         /*static*/ function makeSpecialUrl( $name, $urlaction='' ) {
1559                 $title = Title::makeTitle( NS_SPECIAL, $name );
1560                 $this->checkTitle($title, $name);
1561                 return $title->getLocalURL( $urlaction );
1562         }
1563         /*static*/ function makeTalkUrl ( $name, $urlaction='' ) {
1564                 $title = Title::newFromText( $name );
1565                 $title = $title->getTalkPage();
1566                 $this->checkTitle($title, $name);
1567                 return $title->getLocalURL( $urlaction );
1568         }
1569         /*static*/ function makeArticleUrl ( $name, $urlaction='' ) {
1570                 $title = Title::newFromText( $name );
1571                 $title= $title->getSubjectPage();
1572                 $this->checkTitle($title, $name);
1573                 return $title->getLocalURL( $urlaction );
1574         }
1575         /*static*/ function makeI18nUrl ( $name, $urlaction='' ) {
1576                 $title = Title::newFromText( wfMsgForContent($name) );
1577                 $this->checkTitle($title, $name);
1578                 return $title->getLocalURL( $urlaction );
1579         }
1580         /*static*/ function makeUrl ( $name, $urlaction='' ) {
1581                 $title = Title::newFromText( $name );
1582                 $this->checkTitle($title, $name);
1583                 return $title->getLocalURL( $urlaction );
1584         }
1585
1586         # If url string starts with http, consider as external URL, else
1587         # internal
1588         /*static*/ function makeInternalOrExternalUrl( $name ) {
1589                 if ( strncmp( $name, 'http', 4 ) == 0 ) {
1590                         return $name;
1591                 } else {
1592                         return $this->makeUrl( $name );
1593                 }
1594         }
1595
1596         # this can be passed the NS number as defined in Language.php
1597         /*static*/ function makeNSUrl( $name, $urlaction='', $namespace=0 ) {
1598                 $title = Title::makeTitleSafe( $namespace, $name );
1599                 $this->checkTitle($title, $name);
1600                 return $title->getLocalURL( $urlaction );
1601         }
1602
1603         /* these return an array with the 'href' and boolean 'exists' */
1604         /*static*/ function makeUrlDetails ( $name, $urlaction='' ) {
1605                 $title = Title::newFromText( $name );
1606                 $this->checkTitle($title, $name);
1607                 return array(
1608                         'href' => $title->getLocalURL( $urlaction ),
1609                         'exists' => $title->getArticleID() != 0?true:false
1610                 );
1611         }
1612         /*static*/ function makeTalkUrlDetails ( $name, $urlaction='' ) {
1613                 $title = Title::newFromText( $name );
1614                 $title = $title->getTalkPage();
1615                 $this->checkTitle($title, $name);
1616                 return array(
1617                         'href' => $title->getLocalURL( $urlaction ),
1618                         'exists' => $title->getArticleID() != 0?true:false
1619                 );
1620         }
1621         /*static*/ function makeArticleUrlDetails ( $name, $urlaction='' ) {
1622                 $title = Title::newFromText( $name );
1623                 $title= $title->getSubjectPage();
1624                 $this->checkTitle($title, $name);
1625                 return array(
1626                         'href' => $title->getLocalURL( $urlaction ),
1627                         'exists' => $title->getArticleID() != 0?true:false
1628                 );
1629         }
1630         /*static*/ function makeI18nUrlDetails ( $name, $urlaction='' ) {
1631                 $title = Title::newFromText( wfMsgForContent($name) );
1632                 $this->checkTitle($title, $name);
1633                 return array(
1634                         'href' => $title->getLocalURL( $urlaction ),
1635                         'exists' => $title->getArticleID() != 0?true:false
1636                 );
1637         }
1638
1639         # make sure we have some title to operate on
1640         /*static*/ function checkTitle ( &$title, &$name ) {
1641                 if(!is_object($title)) {
1642                         $title = Title::newFromText( $name );
1643                         if(!is_object($title)) {
1644                                 $title = Title::newFromText( '--error: link target missing--' );
1645                         }
1646                 }
1647         }
1648
1649         function fnamePart( $url ) {
1650                 $basename = strrchr( $url, '/' );
1651                 if ( false === $basename ) {
1652                         $basename = $url;
1653                 } else {
1654                         $basename = substr( $basename, 1 );
1655                 }
1656                 return htmlspecialchars( $basename );
1657         }
1658
1659         function makeImage( $url, $alt = '' ) {
1660                 global $wgOut;
1661
1662                 if ( '' == $alt ) {
1663                         $alt = $this->fnamePart( $url );
1664                 }
1665                 $s = '<img src="'.$url.'" alt="'.$alt.'" />';
1666                 return $s;
1667         }
1668
1669         function makeImageLink( $name, $url, $alt = '' ) {
1670                 $nt = Title::makeTitleSafe( NS_IMAGE, $name );
1671                 return $this->makeImageLinkObj( $nt, $alt );
1672         }
1673
1674         function makeImageLinkObj( $nt, $alt = '' ) {
1675                 global $wgContLang, $wgUseImageResize;
1676                 $img   = Image::newFromTitle( $nt );
1677                 $url   = $img->getViewURL();
1678
1679                 $align = '';
1680                 $prefix = $postfix = '';
1681
1682                 # Check if the alt text is of the form "options|alt text"
1683                 # Options are:
1684                 #  * thumbnail          make a thumbnail with enlarge-icon and caption, alignment depends on lang
1685                 #  * left               no resizing, just left align. label is used for alt= only
1686                 #  * right              same, but right aligned
1687                 #  * none               same, but not aligned
1688                 #  * ___px              scale to ___ pixels width, no aligning. e.g. use in taxobox
1689                 #  * center             center the image
1690                 #  * framed             Keep original image size, no magnify-button.
1691
1692                 $part = explode( '|', $alt);
1693
1694                 $mwThumb  =& MagicWord::get( MAG_IMG_THUMBNAIL );
1695                 $mwLeft   =& MagicWord::get( MAG_IMG_LEFT );
1696                 $mwRight  =& MagicWord::get( MAG_IMG_RIGHT );
1697                 $mwNone   =& MagicWord::get( MAG_IMG_NONE );
1698                 $mwWidth  =& MagicWord::get( MAG_IMG_WIDTH );
1699                 $mwCenter =& MagicWord::get( MAG_IMG_CENTER );
1700                 $mwFramed =& MagicWord::get( MAG_IMG_FRAMED );
1701                 $alt = $part[count($part)-1];
1702
1703                 $height = $framed = $thumb = false;
1704                 $manual_thumb = "" ;
1705
1706                 foreach( $part as $key => $val ) {
1707                         $val_parts = explode ( "=" , $val , 2 ) ;
1708                         $left_part = array_shift ( $val_parts ) ;
1709                         if ( $wgUseImageResize && ! is_null( $mwThumb->matchVariableStartToEnd($val) ) ) {
1710                                 $thumb=true;
1711                         } elseif ( $wgUseImageResize && count ( $val_parts ) == 1 && ! is_null( $mwThumb->matchVariableStartToEnd($left_part) ) ) {
1712                                 # use manually specified thumbnail
1713                                 $thumb=true;
1714                                 $manual_thumb = array_shift ( $val_parts ) ;
1715                         } elseif ( ! is_null( $mwRight->matchVariableStartToEnd($val) ) ) {
1716                                 # remember to set an alignment, don't render immediately
1717                                 $align = 'right';
1718                         } elseif ( ! is_null( $mwLeft->matchVariableStartToEnd($val) ) ) {
1719                                 # remember to set an alignment, don't render immediately
1720                                 $align = 'left';
1721                         } elseif ( ! is_null( $mwCenter->matchVariableStartToEnd($val) ) ) {
1722                                 # remember to set an alignment, don't render immediately
1723                                 $align = 'center';
1724                         } elseif ( ! is_null( $mwNone->matchVariableStartToEnd($val) ) ) {
1725                                 # remember to set an alignment, don't render immediately
1726                                 $align = 'none';
1727                         } elseif ( $wgUseImageResize && ! is_null( $match = $mwWidth->matchVariableStartToEnd($val) ) ) {
1728                                 # $match is the image width in pixels
1729                                 if ( preg_match( '/^([0-9]*)x([0-9]*)$/', $match, $m ) ) {
1730                                         $width = intval( $m[1] );
1731                                         $height = intval( $m[2] );
1732                                 } else {
1733                                         $width = intval($match);
1734                                 }
1735                         } elseif ( ! is_null( $mwFramed->matchVariableStartToEnd($val) ) ) {
1736                                 $framed=true;
1737                         }
1738                 }
1739                 if ( 'center' == $align )
1740                 {
1741                         $prefix  = '<div class="center">';
1742                         $postfix = '</div>';
1743                         $align   = 'none';
1744                 }
1745
1746                 if ( $thumb || $framed ) {
1747
1748                         # Create a thumbnail. Alignment depends on language
1749                         # writing direction, # right aligned for left-to-right-
1750                         # languages ("Western languages"), left-aligned
1751                         # for right-to-left-languages ("Semitic languages")
1752                         #
1753                         # If  thumbnail width has not been provided, it is set
1754                         # here to 180 pixels
1755                         if ( $align == '' ) {
1756                                 $align = $wgContLang->isRTL() ? 'left' : 'right';
1757                         }
1758                         if ( ! isset($width) ) {
1759                                 $width = 180;
1760                         }
1761                         return $prefix.$this->makeThumbLinkObj( $img, $alt, $align, $width, $height, $framed, $manual_thumb ).$postfix;
1762
1763                 } elseif ( isset($width) ) {
1764
1765                         # Create a resized image, without the additional thumbnail
1766                         # features
1767
1768                         if (    ( ! $height === false )
1769                              && ( $img->getHeight() * $width / $img->getWidth() > $height ) ) {
1770                                 $width = $img->getWidth() * $height / $img->getHeight();
1771                         }
1772                         if ( '' == $manual_thumb ) $url = $img->createThumb( $width );
1773                 }
1774
1775                 if ( empty( $alt ) ) {
1776                         $alt = preg_replace( '/\.(.+?)^/', '', $img->getName() );
1777                 }
1778                 $alt = preg_replace( '/<[^>]*>/', '', $alt );
1779                 $alt = preg_replace('/&(?!:amp;|#[Xx][0-9A-fa-f]+;|#[0-9]+;|[a-zA-Z0-9]+;)/', '&amp;', $alt);
1780                 $alt = str_replace( array('<', '>', '"'), array('&lt;', '&gt;', '&quot;'), $alt );
1781
1782                 $u = $nt->escapeLocalURL();
1783                 $uf = $nt->escapeFullURL();
1784                 if ( $url == '' )
1785                 {
1786                         $s = wfMsg( 'missingimage', $img->getName() );
1787                         $s .= "<br>{$alt}<br>{$url}<br>\n";
1788                 } else {
1789                         $s = '<a href="'.$u.'" class="image" title="'.$alt.'">' .
1790                                  '<img src="'.$url.'" alt="'.$alt.'" longdesc="'.$uf.'" /></a>';
1791                 }
1792                 if ( '' != $align ) {
1793                         $s = "<div class=\"float{$align}\"><span>{$s}</span></div>";
1794                 }
1795                 return str_replace("\n", ' ',$prefix.$s.$postfix);
1796         }
1797
1798         /**
1799          * Make HTML for a thumbnail including image, border and caption
1800          * $img is an Image object
1801          */
1802         function makeThumbLinkObj( $img, $label = '', $align = 'right', $boxwidth = 180, $boxheight=false, $framed=false , $manual_thumb = "" ) {
1803                 global $wgStylePath, $wgContLang;
1804                 # $image = Title::makeTitleSafe( NS_IMAGE, $name );
1805                 $url  = $img->getViewURL();
1806
1807                 #$label = htmlspecialchars( $label );
1808                 $alt = preg_replace( '/<[^>]*>/', '', $label);
1809                 $alt = preg_replace('/&(?!:amp;|#[Xx][0-9A-fa-f]+;|#[0-9]+;|[a-zA-Z0-9]+;)/', '&amp;', $alt);
1810                 $alt = str_replace( array('<', '>', '"'), array('&lt;', '&gt;', '&quot;'), $alt );
1811
1812                 $width = $height = 0;
1813                 if ( $img->exists() )
1814                 {
1815                         $width  = $img->getWidth();
1816                         $height = $img->getHeight();
1817                 }
1818                 if ( 0 == $width || 0 == $height )
1819                 {
1820                         $width = $height = 200;
1821                 }
1822                 if ( $boxwidth == 0 )
1823                 {
1824                         $boxwidth = 200;
1825                 }
1826                 if ( $framed )
1827                 {
1828                         // Use image dimensions, don't scale
1829                         $boxwidth  = $width;
1830                         $oboxwidth = $boxwidth + 2;
1831                         $boxheight = $height;
1832                         $thumbUrl  = $url;
1833                 } else {
1834                         $h  = intval( $height/($width/$boxwidth) );
1835                         $oboxwidth = $boxwidth + 2;
1836                         if ( ( ! $boxheight === false ) &&  ( $h > $boxheight ) )
1837                         {
1838                                 $boxwidth *= $boxheight/$h;
1839                         } else {
1840                                 $boxheight = $h;
1841                         }
1842                         if ( '' == $manual_thumb ) $thumbUrl = $img->createThumb( $boxwidth );
1843                 }
1844
1845                 if ( $manual_thumb != '' ) # Use manually specified thumbnail
1846                 {
1847                         $manual_title = Title::makeTitleSafe( NS_IMAGE, $manual_thumb ); #new Title ( $manual_thumb ) ;
1848                         $manual_img = Image::newFromTitle( $manual_title );
1849                         $thumbUrl = $manual_img->getViewURL();
1850                         if ( $manual_img->exists() )
1851                         {
1852                                 $width  = $manual_img->getWidth();
1853                                 $height = $manual_img->getHeight();
1854                                 $boxwidth = $width ;
1855                                 $boxheight = $height ;
1856                                 $oboxwidth = $boxwidth + 2 ;
1857                         }
1858                 }
1859
1860                 $u = $img->getEscapeLocalURL();
1861                 $uf = $img->getEscapeFullURL();
1862
1863                 $more = htmlspecialchars( wfMsg( 'thumbnail-more' ) );
1864                 $magnifyalign = $wgContLang->isRTL() ? 'left' : 'right';
1865                 $textalign = $wgContLang->isRTL() ? ' style="text-align:right"' : '';
1866
1867                 $s = "<div class=\"thumb t{$align}\"><div style=\"width:{$oboxwidth}px;\">";
1868                 if ( $thumbUrl == '' ) {
1869                         $s .= wfMsg( 'missingimage', $img->getName() );
1870                         $zoomicon = '';
1871                 } else {
1872                         $s .= '<a href="'.$u.'" class="internal" title="'.$alt.'">'.
1873                                 '<img src="'.$thumbUrl.'" alt="'.$alt.'" ' .
1874                                 'width="'.$boxwidth.'" height="'.$boxheight.'" ' .
1875                                 'longdesc="'.$uf.'" /></a>';
1876                         if ( $framed ) {
1877                                 $zoomicon="";
1878                         } else {
1879                                 $zoomicon =  '<div class="magnify" style="float:'.$magnifyalign.'">'.
1880                                         '<a href="'.$u.'" class="internal" title="'.$more.'">'.
1881                                         '<img src="'.$wgStylePath.'/common/images/magnify-clip.png" ' .
1882                                         'width="15" height="11" alt="'.$more.'" /></a></div>';
1883                         }
1884                 }
1885                 $s .= '  <div class="thumbcaption" '.$textalign.'>'.$zoomicon.$label."</div></div></div>";
1886                 return str_replace("\n", ' ', $s);
1887         }
1888
1889         function makeMediaLink( $name, $url, $alt = '' ) {
1890                 $nt = Title::makeTitleSafe( Namespace::getMedia(), $name );
1891                 return $this->makeMediaLinkObj( $nt, $alt );
1892         }
1893
1894         function makeMediaLinkObj( $nt, $alt = '' ) {
1895                 if ( ! isset( $nt ) )
1896                 {
1897                         ### HOTFIX. Instead of breaking, return empty string.
1898                         $s = $alt;
1899                 } else {
1900                         $name = $nt->getDBKey();
1901                         $url = Image::wfImageUrl( $name );
1902                         if ( empty( $alt ) ) {
1903                                 $alt = preg_replace( '/\.(.+?)^/', '', $name );
1904                         }
1905
1906                         $u = htmlspecialchars( $url );
1907                         $s = "<a href=\"{$u}\" class='internal' title=\"{$alt}\">{$alt}</a>";
1908                 }
1909                 return $s;
1910         }
1911
1912         function specialLink( $name, $key = '' ) {
1913                 global $wgContLang;
1914
1915                 if ( '' == $key ) { $key = strtolower( $name ); }
1916                 $pn = $wgContLang->ucfirst( $name );
1917                 return $this->makeKnownLink( $wgContLang->specialPage( $pn ),
1918                   wfMsg( $key ) );
1919         }
1920
1921         function makeExternalLink( $url, $text, $escape = true ) {
1922                 $style = $this->getExternalLinkAttributes( $url, $text );
1923                 $url = htmlspecialchars( $url );
1924                 if( $escape ) {
1925                         $text = htmlspecialchars( $text );
1926                 }
1927                 return '<a href="'.$url.'"'.$style.'>'.$text.'</a>';
1928         }
1929
1930         # Called by history lists and recent changes
1931         #
1932
1933         # Returns text for the start of the tabular part of RC
1934         function beginRecentChangesList() {
1935                 $this->rc_cache = array() ;
1936                 $this->rcMoveIndex = 0;
1937                 $this->rcCacheIndex = 0 ;
1938                 $this->lastdate = '';
1939                 $this->rclistOpen = false;
1940                 return '';
1941         }
1942
1943         function beginImageHistoryList() {
1944                 $s = "\n<h2>" . wfMsg( 'imghistory' ) . "</h2>\n" .
1945                   "<p>" . wfMsg( 'imghistlegend' ) . "</p>\n".'<ul class="special">';
1946                 return $s;
1947         }
1948
1949         /**
1950          * Returns text for the end of RC
1951          * If enhanced RC is in use, returns pretty much all the text
1952          */
1953         function endRecentChangesList() {
1954                 $s = $this->recentChangesBlock() ;
1955                 if( $this->rclistOpen ) {
1956                         $s .= "</ul>\n";
1957                 }
1958                 return $s;
1959         }
1960
1961         /**
1962          * Enhanced RC ungrouped line
1963          */
1964         function recentChangesBlockLine ( $rcObj ) {
1965                 global $wgStylePath, $wgContLang ;
1966
1967                 # Get rc_xxxx variables
1968                 extract( $rcObj->mAttribs ) ;
1969                 $curIdEq = 'curid='.$rc_cur_id;
1970
1971                 # Spacer image
1972                 $r = '' ;
1973
1974                 $r .= '<img src="'.$wgStylePath.'/common/images/Arr_.png" width="12" height="12" border="0" />' ;
1975                 $r .= '<tt>' ;
1976
1977                 if ( $rc_type == RC_MOVE || $rc_type == RC_MOVE_OVER_REDIRECT ) {
1978                         $r .= '&nbsp;&nbsp;';
1979                 } else {
1980                         # M & N (minor & new)
1981                         $M = wfMsg( 'minoreditletter' );
1982                         $N = wfMsg( 'newpageletter' );
1983
1984                         if ( $rc_type == RC_NEW ) {
1985                                 $r .= $N ;
1986                         } else {
1987                                 $r .= '&nbsp;' ;
1988                         }
1989                         if ( $rc_minor ) {
1990                                 $r .= $M ;
1991                         } else {
1992                                 $r .= '&nbsp;' ;
1993                         }
1994                 }
1995
1996                 # Timestamp
1997                 $r .= ' '.$rcObj->timestamp.' ' ;
1998                 $r .= '</tt>' ;
1999
2000                 # Article link
2001                 $link = $rcObj->link ;
2002                 if ( $rcObj->watched ) $link = '<strong>'.$link.'</strong>' ;
2003                 $r .= $link ;
2004
2005                 # Diff
2006                 $r .= ' (' ;
2007                 $r .= $rcObj->difflink ;
2008                 $r .= '; ' ;
2009
2010                 # Hist
2011                 $r .= $this->makeKnownLinkObj( $rcObj->getTitle(), wfMsg( 'hist' ), $curIdEq.'&action=history' );
2012
2013                 # User/talk
2014                 $r .= ') . . '.$rcObj->userlink ;
2015                 $r .= $rcObj->usertalklink ;
2016
2017                 # Comment
2018                  if ( $rc_comment != '' && $rc_type != RC_MOVE && $rc_type != RC_MOVE_OVER_REDIRECT ) {
2019                         $rc_comment=$this->formatComment($rc_comment, $rcObj->getTitle());
2020                         $r .= $wgContLang->emphasize( ' ('.$rc_comment.')' );
2021                 }
2022
2023                 $r .= "<br />\n" ;
2024                 return $r ;
2025         }
2026
2027         /**
2028          * Enhanced RC group
2029          */
2030         function recentChangesBlockGroup ( $block ) {
2031                 global $wgStylePath, $wgContLang ;
2032
2033                 $r = '' ;
2034                 $M = wfMsg( 'minoreditletter' );
2035                 $N = wfMsg( 'newpageletter' );
2036
2037                 # Collate list of users
2038                 $isnew = false ;
2039                 $userlinks = array () ;
2040                 foreach ( $block AS $rcObj ) {
2041                         $oldid = $rcObj->mAttribs['rc_last_oldid'];
2042                         if ( $rcObj->mAttribs['rc_new'] ) $isnew = true ;
2043                         $u = $rcObj->userlink ;
2044                         if ( !isset ( $userlinks[$u] ) ) $userlinks[$u] = 0 ;
2045                         $userlinks[$u]++ ;
2046                 }
2047
2048                 # Sort the list and convert to text
2049                 krsort ( $userlinks ) ;
2050                 asort ( $userlinks ) ;
2051                 $users = array () ;
2052                 foreach ( $userlinks as $userlink => $count) {
2053                         $text = $userlink ;
2054                         if ( $count > 1 ) $text .= " ({$count}&times;)" ;
2055                         array_push ( $users , $text ) ;
2056                 }
2057                 $users = ' <font size="-1">['.implode('; ',$users).']</font>' ;
2058
2059                 # Arrow
2060                 $rci = 'RCI'.$this->rcCacheIndex ;
2061                 $rcl = 'RCL'.$this->rcCacheIndex ;
2062                 $rcm = 'RCM'.$this->rcCacheIndex ;
2063                 $toggleLink = "javascript:toggleVisibility('$rci','$rcm','$rcl')" ;
2064                 $arrowdir = $wgContLang->isRTL() ? 'l' : 'r';
2065                 $tl  = '<span id="'.$rcm.'"><a href="'.$toggleLink.'"><img src="'.$wgStylePath.'/common/images/Arr_'.$arrowdir.'.png" width="12" height="12" /></a></span>' ;
2066                 $tl .= '<span id="'.$rcl.'" style="display:none"><a href="'.$toggleLink.'"><img src="'.$wgStylePath.'/common/images/Arr_d.png" width="12" height="12" /></a></span>' ;
2067                 $r .= $tl ;
2068
2069                 # Main line
2070                 # M/N
2071                 $r .= '<tt>' ;
2072                 if ( $isnew ) $r .= $N ;
2073                 else $r .= '&nbsp;' ;
2074                 $r .= '&nbsp;' ; # Minor
2075
2076                 # Timestamp
2077                 $r .= ' '.$block[0]->timestamp.' ' ;
2078                 $r .= '</tt>' ;
2079
2080                 # Article link
2081                 $link = $block[0]->link ;
2082                 if ( $block[0]->watched ) $link = '<strong>'.$link.'</strong>' ;
2083                 $r .= $link ;
2084
2085                 $curIdEq = 'curid=' . $block[0]->mAttribs['rc_cur_id'];
2086                 if ( $block[0]->mAttribs['rc_type'] != RC_LOG ) {
2087                         # Changes
2088                         $r .= ' ('.count($block).' ' ;
2089                         if ( $isnew ) $r .= wfMsg('changes');
2090                         else $r .= $this->makeKnownLinkObj( $block[0]->getTitle() , wfMsg('changes') ,
2091                                 $curIdEq.'&diff=0&oldid='.$oldid ) ;
2092                         $r .= '; ' ;
2093
2094                         # History
2095                         $r .= $this->makeKnownLinkObj( $block[0]->getTitle(), wfMsg( 'history' ), $curIdEq.'&action=history' );
2096                         $r .= ')' ;
2097                 }
2098
2099                 $r .= $users ;
2100                 $r .= "<br />\n" ;
2101
2102                 # Sub-entries
2103                 $r .= '<div id="'.$rci.'" style="display:none">' ;
2104                 foreach ( $block AS $rcObj ) {
2105                         # Get rc_xxxx variables
2106                         extract( $rcObj->mAttribs );
2107
2108                         $r .= '<img src="'.$wgStylePath.'/common/images/Arr_.png" width="12" height="12" />';
2109                         $r .= '<tt>&nbsp; &nbsp; &nbsp; &nbsp;' ;
2110                         if ( $rc_new ) $r .= $N ;
2111                         else $r .= '&nbsp;' ;
2112                         if ( $rc_minor ) $r .= $M ;
2113                         else $r .= '&nbsp;' ;
2114                         $r .= '</tt>' ;
2115
2116                         $o = '' ;
2117                         if ( $rc_last_oldid != 0 ) {
2118                                 $o = 'oldid='.$rc_last_oldid ;
2119                         }
2120                         if ( $rc_type == RC_LOG ) {
2121                                 $link = $rcObj->timestamp ;
2122                         } else {
2123                                 $link = $this->makeKnownLinkObj( $rcObj->getTitle(), $rcObj->timestamp , "{$curIdEq}&$o" ) ;
2124                         }
2125                         $link = '<tt>'.$link.'</tt>' ;
2126
2127                         $r .= $link ;
2128                         $r .= ' (' ;
2129                         $r .= $rcObj->curlink ;
2130                         $r .= '; ' ;
2131                         $r .= $rcObj->lastlink ;
2132                         $r .= ') . . '.$rcObj->userlink ;
2133                         $r .= $rcObj->usertalklink ;
2134                         if ( $rc_comment != '' ) {
2135                                 $rc_comment=$this->formatComment($rc_comment, $rcObj->getTitle());
2136                                 $r .= $wgContLang->emphasize( ' ('.$rc_comment.')' ) ;
2137                         }
2138                         $r .= "<br />\n" ;
2139                 }
2140                 $r .= "</div>\n" ;
2141
2142                 $this->rcCacheIndex++ ;
2143                 return $r ;
2144         }
2145
2146         /**
2147          * If enhanced RC is in use, this function takes the previously cached
2148          * RC lines, arranges them, and outputs the HTML
2149          */
2150         function recentChangesBlock () {
2151                 global $wgStylePath ;
2152                 if ( count ( $this->rc_cache ) == 0 ) return '' ;
2153                 $blockOut = '';
2154                 foreach ( $this->rc_cache AS $secureName => $block ) {
2155                         if ( count ( $block ) < 2 ) {
2156                                 $blockOut .= $this->recentChangesBlockLine ( array_shift ( $block ) ) ;
2157                         } else {
2158                                 $blockOut .= $this->recentChangesBlockGroup ( $block ) ;
2159                         }
2160                 }
2161
2162                 return '<div>'.$blockOut.'</div>' ;
2163         }
2164
2165         /**
2166          * Called in a loop over all displayed RC entries
2167          * Either returns the line, or caches it for later use
2168          */
2169         function recentChangesLine( &$rc, $watched = false ) {
2170                 global $wgUser ;
2171                 $usenew = $wgUser->getOption( 'usenewrc' );
2172                 if ( $usenew )
2173                         $line = $this->recentChangesLineNew ( $rc, $watched ) ;
2174                 else
2175                         $line = $this->recentChangesLineOld ( $rc, $watched ) ;
2176                 return $line ;
2177         }
2178
2179         function recentChangesLineOld( &$rc, $watched = false ) {
2180                 global $wgTitle, $wgLang, $wgContLang, $wgUser, $wgRCSeconds, $wgUseRCPatrol, $wgOnlySysopsCanPatrol;
2181
2182                 # Extract DB fields into local scope
2183                 extract( $rc->mAttribs );
2184                 $curIdEq = 'curid=' . $rc_cur_id;
2185
2186                 # Make date header if necessary
2187                 $date = $wgContLang->date( $rc_timestamp, true);
2188                 $uidate = $wgLang->date( $rc_timestamp, true);
2189                 $s = '';
2190                 if ( $date != $this->lastdate ) {
2191                         if ( '' != $this->lastdate ) { $s .= "</ul>\n"; }
2192                         $s .= "<h4>{$uidate}</h4>\n<ul class='special'>";
2193                         $this->lastdate = $date;
2194                         $this->rclistOpen = true;
2195                 }
2196
2197                 # If this edit has not yet been patrolled, make it stick out
2198                 $s .= ( ! $wgUseRCPatrol || $rc_patrolled ) ? '<li> ' : '<li class="not_patrolled"> ';
2199
2200                 if ( $rc_type == RC_MOVE || $rc_type == RC_MOVE_OVER_REDIRECT ) {
2201                         # Diff
2202                         $s .= '(' . wfMsg( 'diff' ) . ') (';
2203                         # Hist
2204                         $s .= $this->makeKnownLinkObj( $rc->getMovedToTitle(), wfMsg( 'hist' ), 'action=history' ) .
2205                                 ') . . ';
2206
2207                         # "[[x]] moved to [[y]]"
2208                         $msg = ( $rc_type == RC_MOVE ) ? '1movedto2' : '1movedto2_redir';
2209                         $s .= wfMsg( $msg, $this->makeKnownLinkObj( $rc->getTitle(), '', 'redirect=no' ),
2210                                 $this->makeKnownLinkObj( $rc->getMovedToTitle(), '' ) );
2211                 } elseif( $rc_namespace == NS_SPECIAL && preg_match( '!^Log/(.*)$!', $rc_title, $matches ) ) {
2212                         # Log updates, etc
2213                         $logtype = $matches[1];
2214                         $logname = LogPage::logName( $logtype );
2215                         $s .= '(' . $this->makeKnownLinkObj( $rc->getTitle(), $logname ) . ')';
2216                 } else {
2217                         # Diff link
2218                         if ( $rc_type == RC_NEW || $rc_type == RC_LOG ) {
2219                                 $diffLink = wfMsg( 'diff' );
2220                         } else {
2221                                 if ( $wgUseRCPatrol && $rc_patrolled == 0 && $wgUser->getID() != 0 &&
2222                                      ( $wgUser->isSysop() || !$wgOnlySysopsCanPatrol ) )
2223                                         $rcidparam = "&rcid={$rc_id}";
2224                                 else
2225                                         $rcidparam = "";
2226                                 $diffLink = $this->makeKnownLinkObj( $rc->getTitle(), wfMsg( 'diff' ),
2227                                   "{$curIdEq}&diff={$rc_this_oldid}&oldid={$rc_last_oldid}{$rcidparam}",
2228                                   '', '', ' tabindex="'.$rc->counter.'"');
2229                         }
2230                         $s .= '('.$diffLink.') (';
2231
2232                         # History link
2233                         $s .= $this->makeKnownLinkObj( $rc->getTitle(), wfMsg( 'hist' ), $curIdEq.'&action=history' );
2234                         $s .= ') . . ';
2235
2236                         # M and N (minor and new)
2237                         if ( $rc_minor ) { $s .= ' <span class="minor">'.wfMsg( "minoreditletter" ).'</span>'; }
2238                         if ( $rc_type == RC_NEW ) { $s .= '<span class="newpage">'.wfMsg( "newpageletter" ).'</span>'; }
2239
2240                         # Article link
2241                         # If it's a new article, there is no diff link, but if it hasn't been
2242                         # patrolled yet, we need to give users a way to do so
2243                         if ( $wgUseRCPatrol && $rc_type == RC_NEW && $rc_patrolled == 0 &&
2244                              $wgUser->getID() != 0 && ( $wgUser->isSysop() || !$wgOnlySysopsCanPatrol ) )
2245                                 $articleLink = $this->makeKnownLinkObj( $rc->getTitle(), '', "rcid={$rc_id}" );
2246                         else
2247                                 $articleLink = $this->makeKnownLinkObj( $rc->getTitle(), '' );
2248
2249                         if ( $watched ) {
2250                                 $articleLink = '<strong>'.$articleLink.'</strong>';
2251                         }
2252                         $s .= ' '.$articleLink;
2253
2254                 }
2255
2256                 # Timestamp
2257                 $s .= '; ' . $wgLang->time( $rc_timestamp, true, $wgRCSeconds ) . ' . . ';
2258
2259                 # User link (or contributions for unregistered users)
2260                 if ( 0 == $rc_user ) {
2261                         $userLink = $this->makeKnownLink( $wgContLang->specialPage( 'Contributions' ),
2262                         $rc_user_text, 'target=' . $rc_user_text );
2263                 } else {
2264                         $userLink = $this->makeLink( $wgContLang->getNsText( NS_USER ) . ':'.$rc_user_text, $rc_user_text );
2265                 }
2266                 $s .= $userLink;
2267
2268                 # User talk link
2269                 $talkname=$wgContLang->getNsText(NS_TALK); # use the shorter name
2270                 global $wgDisableAnonTalk;
2271                 if( 0 == $rc_user && $wgDisableAnonTalk ) {
2272                         $userTalkLink = '';
2273                 } else {
2274                         $utns=$wgContLang->getNsText(NS_USER_TALK);
2275                         $userTalkLink= $this->makeLink($utns . ':'.$rc_user_text, $talkname );
2276                 }
2277                 # Block link
2278                 $blockLink='';
2279                 if ( ( 0 == $rc_user ) && $wgUser->isSysop() ) {
2280                         $blockLink = $this->makeKnownLink( $wgContLang->specialPage(
2281                           'Blockip' ), wfMsg( 'blocklink' ), 'ip='.$rc_user_text );
2282
2283                 }
2284                 if($blockLink) {
2285                         if($userTalkLink) $userTalkLink .= ' | ';
2286                         $userTalkLink .= $blockLink;
2287                 }
2288                 if($userTalkLink) $s.=' ('.$userTalkLink.')';
2289
2290                 # Add comment
2291                 if ( '' != $rc_comment && '*' != $rc_comment && $rc_type != RC_MOVE && $rc_type != RC_MOVE_OVER_REDIRECT ) {
2292                         $rc_comment=$this->formatComment($rc_comment,$rc->getTitle());
2293                         $s .= $wgContLang->emphasize(' (' . $rc_comment . ')');
2294                 }
2295                 $s .= "</li>\n";
2296
2297                 return $s;
2298         }
2299
2300         function recentChangesLineNew( &$baseRC, $watched = false ) {
2301                 global $wgTitle, $wgLang, $wgContLang, $wgUser, $wgRCSeconds;
2302
2303                 # Create a specialised object
2304                 $rc = RCCacheEntry::newFromParent( $baseRC ) ;
2305
2306                 # Extract fields from DB into the function scope (rc_xxxx variables)
2307                 extract( $rc->mAttribs );
2308                 $curIdEq = 'curid=' . $rc_cur_id;
2309
2310                 # If it's a new day, add the headline and flush the cache
2311                 $date = $wgContLang->date( $rc_timestamp, true);
2312                 $uidate = $wgLang->date( $rc_timestamp, true);
2313                 $ret = '';
2314                 if ( $date != $this->lastdate ) {
2315                         # Process current cache
2316                         $ret = $this->recentChangesBlock () ;
2317                         $this->rc_cache = array() ;
2318                         $ret .= "<h4>{$uidate}</h4>\n";
2319                         $this->lastdate = $date;
2320                 }
2321
2322                 # Make article link
2323                 if ( $rc_type == RC_MOVE || $rc_type == RC_MOVE_OVER_REDIRECT ) {
2324                         $msg = ( $rc_type == RC_MOVE ) ? "1movedto2" : "1movedto2_redir";
2325                         $clink = wfMsg( $msg, $this->makeKnownLinkObj( $rc->getTitle(), '', 'redirect=no' ),
2326                           $this->makeKnownLinkObj( $rc->getMovedToTitle(), '' ) );
2327                 } elseif( $rc_namespace == NS_SPECIAL && preg_match( '!^Log/(.*)$!', $rc_title, $matches ) ) {
2328                         # Log updates, etc
2329                         $logtype = $matches[1];
2330                         $logname = LogPage::logName( $logtype );
2331                         $clink = '(' . $this->makeKnownLinkObj( $rc->getTitle(), $logname ) . ')';
2332                 } else {
2333                         $clink = $this->makeKnownLinkObj( $rc->getTitle(), '' ) ;
2334                 }
2335
2336                 $time = $wgContLang->time( $rc_timestamp, true, $wgRCSeconds );
2337                 $rc->watched = $watched ;
2338                 $rc->link = $clink ;
2339                 $rc->timestamp = $time;
2340
2341                 # Make "cur" and "diff" links
2342                 if ( ( $rc_type == RC_NEW && $rc_this_oldid == 0 ) || $rc_type == RC_LOG || $rc_type == RC_MOVE || $rc_type == RC_MOVE_OVER_REDIRECT ) {
2343                         $curLink = wfMsg( 'cur' );
2344                         $diffLink = wfMsg( 'diff' );
2345                 } else {
2346                         $query = $curIdEq.'&diff=0&oldid='.$rc_this_oldid;
2347                         $aprops = ' tabindex="'.$baseRC->counter.'"';
2348                         $curLink = $this->makeKnownLinkObj( $rc->getTitle(), wfMsg( 'cur' ), $query, '' ,'' , $aprops );
2349                         $diffLink = $this->makeKnownLinkObj( $rc->getTitle(), wfMsg( 'diff'), $query, '' ,'' , $aprops );
2350                 }
2351
2352                 # Make "last" link
2353                 $titleObj = $rc->getTitle();
2354                 if ( $rc_last_oldid == 0 || $rc_type == RC_LOG || $rc_type == RC_MOVE || $rc_type == RC_MOVE_OVER_REDIRECT ) {
2355                         $lastLink = wfMsg( 'last' );
2356                 } else {
2357                         $lastLink = $this->makeKnownLinkObj( $rc->getTitle(), wfMsg( 'last' ),
2358                           $curIdEq.'&diff='.$rc_this_oldid.'&oldid='.$rc_last_oldid );
2359                 }
2360
2361                 # Make user link (or user contributions for unregistered users)
2362                 if ( $rc_user == 0 ) {
2363                         $userLink = $this->makeKnownLink( $wgContLang->specialPage( 'Contributions' ),
2364                         $rc_user_text, 'target=' . $rc_user_text );
2365                 } else {
2366                         $userLink = $this->makeLink( $wgContLang->getNsText(
2367                           Namespace::getUser() ) . ':'.$rc_user_text, $rc_user_text );
2368                 }
2369
2370                 $rc->userlink = $userLink;
2371                 $rc->lastlink = $lastLink;
2372                 $rc->curlink  = $curLink;
2373                 $rc->difflink = $diffLink;
2374
2375                 # Make user talk link
2376                 $utns=$wgContLang->getNsText(NS_USER_TALK);
2377                 $talkname=$wgContLang->getNsText(NS_TALK); # use the shorter name
2378                 $userTalkLink= $this->makeLink($utns . ':'.$rc_user_text, $talkname );
2379
2380                 global $wgDisableAnonTalk;
2381                 if ( ( 0 == $rc_user ) && $wgUser->isSysop() ) {
2382                         $blockLink = $this->makeKnownLink( $wgContLang->specialPage(
2383                           'Blockip' ), wfMsg( 'blocklink' ), 'ip='.$rc_user_text );
2384                         if( $wgDisableAnonTalk )
2385                                 $rc->usertalklink = ' ('.$blockLink.')';
2386                         else
2387                                 $rc->usertalklink = ' ('.$userTalkLink.' | '.$blockLink.')';
2388                 } else {
2389                         if( $wgDisableAnonTalk && ($rc_user == 0) )
2390                                 $rc->usertalklink = '';
2391                         else
2392                                 $rc->usertalklink = ' ('.$userTalkLink.')';
2393                 }
2394
2395                 # Put accumulated information into the cache, for later display
2396                 # Page moves go on their own line
2397                 $title = $rc->getTitle();
2398                 $secureName = $title->getPrefixedDBkey();
2399                 if ( $rc_type == RC_MOVE || $rc_type == RC_MOVE_OVER_REDIRECT ) {
2400                         # Use an @ character to prevent collision with page names
2401                         $this->rc_cache['@@' . ($this->rcMoveIndex++)] = array($rc);
2402                 } else {
2403                         if ( !isset ( $this->rc_cache[$secureName] ) ) $this->rc_cache[$secureName] = array() ;
2404                         array_push ( $this->rc_cache[$secureName] , $rc ) ;
2405                 }
2406                 return $ret;
2407         }
2408
2409         function endImageHistoryList() {
2410                 $s = "</ul>\n";
2411                 return $s;
2412         }
2413
2414         /**
2415          * This function is called by all recent changes variants, by the page history,
2416          * and by the user contributions list. It is responsible for formatting edit
2417          * comments. It escapes any HTML in the comment, but adds some CSS to format
2418          * auto-generated comments (from section editing) and formats [[wikilinks]].
2419          *
2420          * The &$title parameter must be a title OBJECT. It is used to generate a
2421          * direct link to the section in the autocomment.
2422          * @author Erik Moeller <moeller@scireview.de>
2423          *
2424          * Note: there's not always a title to pass to this function.
2425          * Since you can't set a default parameter for a reference, I've turned it
2426          * temporarily to a value pass. Should be adjusted further. --brion
2427          */
2428         function formatComment($comment, $title = NULL) {
2429                 global $wgContLang;
2430                 $comment = htmlspecialchars( $comment );
2431
2432                 # The pattern for autogen comments is / * foo * /, which makes for
2433                 # some nasty regex.
2434                 # We look for all comments, match any text before and after the comment,
2435                 # add a separator where needed and format the comment itself with CSS
2436                 while (preg_match('/(.*)\/\*\s*(.*?)\s*\*\/(.*)/', $comment,$match)) {
2437                         $pre=$match[1];
2438                         $auto=$match[2];
2439                         $post=$match[3];
2440                         $link='';
2441                         if($title) {
2442                                 $section=$auto;
2443
2444                                 # This is hackish but should work in most cases.
2445                                 $section=str_replace('[[','',$section);
2446                                 $section=str_replace(']]','',$section);
2447                                 $title->mFragment=$section;
2448                                 $link=$this->makeKnownLinkObj($title,wfMsg('sectionlink'));
2449                         }
2450                         $sep='-';
2451                         $auto=$link.$auto;
2452                         if($pre) { $auto = $sep.' '.$auto; }
2453                         if($post) { $auto .= ' '.$sep; }
2454                         $auto='<span class="autocomment">'.$auto.'</span>';
2455                         $comment=$pre.$auto.$post;
2456                 }
2457
2458                 # format regular and media links - all other wiki formatting
2459                 # is ignored
2460                 $medians = $wgContLang->getNsText(Namespace::getMedia()).':';
2461                 while(preg_match('/\[\[(.*?)(\|(.*?))*\]\](.*)$/',$comment,$match)) {
2462                         # Handle link renaming [[foo|text]] will show link as "text"
2463                         if( "" != $match[3] ) {
2464                                 $text = $match[3];
2465                         } else {
2466                                 $text = $match[1];
2467                         }
2468                         if( preg_match( '/^' . $medians . '(.*)$/i', $match[1], $submatch ) ) {
2469                                 # Media link; trail not supported.
2470                                 $linkRegexp = '/\[\[(.*?)\]\]/';
2471                                 $thelink = $this->makeMediaLink( $submatch[1], "", $text );
2472                         } else {
2473                                 # Other kind of link
2474                                 if( preg_match( wfMsgForContent( "linktrail" ), $match[4], $submatch ) ) {
2475                                         $trail = $submatch[1];
2476                                 } else {
2477                                         $trail = "";
2478                                 }
2479                                 $linkRegexp = '/\[\[(.*?)\]\]' . preg_quote( $trail, '/' ) . '/';
2480                                 if ($match[1][0] == ':')
2481                                         $match[1] = substr($match[1], 1);
2482                                 $thelink = $this->makeLink( $match[1], $text, "", $trail );
2483                         }
2484                         $comment = preg_replace( $linkRegexp, $thelink, $comment, 1 );
2485                 }
2486                 return $comment;
2487         }
2488
2489         function imageHistoryLine( $iscur, $timestamp, $img, $user, $usertext, $size, $description ) {
2490                 global $wgUser, $wgLang, $wgContLang, $wgTitle;
2491
2492                 $datetime = $wgLang->timeanddate( $timestamp, true );
2493                 $del = wfMsg( 'deleteimg' );
2494                 $delall = wfMsg( 'deleteimgcompletely' );
2495                 $cur = wfMsg( 'cur' );
2496
2497                 if ( $iscur ) {
2498                         $url = Image::wfImageUrl( $img );
2499                         $rlink = $cur;
2500                         if ( $wgUser->isSysop() ) {
2501                                 $link = $wgTitle->escapeLocalURL( 'image=' . $wgTitle->getPartialURL() .
2502                                   '&action=delete' );
2503                                 $style = $this->getInternalLinkAttributes( $link, $delall );
2504
2505                                 $dlink = '<a href="'.$link.'"'.$style.'>'.$delall.'</a>';
2506                         } else {
2507                                 $dlink = $del;
2508                         }
2509                 } else {
2510                         $url = htmlspecialchars( wfImageArchiveUrl( $img ) );
2511                         if( $wgUser->getID() != 0 && $wgTitle->userCanEdit() ) {
2512                                 $rlink = $this->makeKnownLink( $wgTitle->getPrefixedText(),
2513                                            wfMsg( 'revertimg' ), 'action=revert&oldimage=' .
2514                                            urlencode( $img ) );
2515                                 $dlink = $this->makeKnownLink( $wgTitle->getPrefixedText(),
2516                                            $del, 'action=delete&oldimage=' . urlencode( $img ) );
2517                         } else {
2518                                 # Having live active links for non-logged in users
2519                                 # means that bots and spiders crawling our site can
2520                                 # inadvertently change content. Baaaad idea.
2521                                 $rlink = wfMsg( 'revertimg' );
2522                                 $dlink = $del;
2523                         }
2524                 }
2525                 if ( 0 == $user ) {
2526                         $userlink = $usertext;
2527                 } else {
2528                         $userlink = $this->makeLink( $wgContLang->getNsText( Namespace::getUser() ) .
2529                                        ':'.$usertext, $usertext );
2530                 }
2531                 $nbytes = wfMsg( 'nbytes', $size );
2532                 $style = $this->getInternalLinkAttributes( $url, $datetime );
2533
2534                 $s = "<li> ({$dlink}) ({$rlink}) <a href=\"{$url}\"{$style}>{$datetime}</a>"
2535                   . " . . {$userlink} ({$nbytes})";
2536
2537                 if ( '' != $description && '*' != $description ) {
2538                         $sk=$wgUser->getSkin();
2539                         $s .= $wgContLang->emphasize(' (' . $sk->formatComment($description,$wgTitle) . ')');
2540                 }
2541                 $s .= "</li>\n";
2542                 return $s;
2543         }
2544
2545         function tocIndent($level) {
2546                 return str_repeat( '<div class="tocindent">'."\n", $level>0 ? $level : 0 );
2547         }
2548
2549         function tocUnindent($level) {
2550                 return str_repeat( "</div>\n", $level>0 ? $level : 0 );
2551         }
2552
2553         /**
2554          * parameter level defines if we are on an indentation level
2555          */
2556         function tocLine( $anchor, $tocline, $level ) {
2557                 $link = '<a href="#'.$anchor.'">'.$tocline.'</a><br />';
2558                 if($level) {
2559                         return $link."\n";
2560                 } else {
2561                         return '<div class="tocline">'.$link."</div>\n";
2562                 }
2563
2564         }
2565
2566         function tocTable($toc) {
2567                 # note to CSS fanatics: putting this in a div does not work -- div won't auto-expand
2568                 # try min-width & co when somebody gets a chance
2569                 $hideline = ' <script type="text/javascript">showTocToggle("' . addslashes( wfMsg('showtoc') ) . '","' . addslashes( wfMsg('hidetoc') ) . '")</script>';
2570                 return
2571                 '<table border="0" id="toc"><tr id="toctitle"><td align="center">'."\n".
2572                 '<b>'.wfMsg('toc').'</b>' .
2573                 $hideline .
2574                 '</td></tr><tr id="tocinside"><td>'."\n".
2575                 $toc."</td></tr></table>\n";
2576         }
2577
2578         /**
2579          * These two do not check for permissions: check $wgTitle->userCanEdit
2580          * before calling them
2581          */
2582         function editSectionScriptForOther( $title, $section, $head ) {
2583                 $ttl = Title::newFromText( $title );
2584                 $url = $ttl->escapeLocalURL( 'action=edit&section='.$section );
2585                 return '<span oncontextmenu=\'document.location="'.$url.'";return false;\'>'.$head.'</span>';
2586         }
2587
2588         function editSectionScript( $nt, $section, $head ) {
2589                 global $wgRequest;
2590                 if( $wgRequest->getInt( 'oldid' ) && ( $wgRequest->getVal( 'diff' ) != '0' ) ) {
2591                         return $head;
2592                 }
2593                 $url = $nt->escapeLocalURL( 'action=edit&section='.$section );
2594                 return '<span oncontextmenu=\'document.location="'.$url.'";return false;\'>'.$head.'</span>';
2595         }
2596
2597         function editSectionLinkForOther( $title, $section ) {
2598                 global $wgRequest;
2599                 global $wgContLang;
2600
2601                 $title = Title::newFromText($title);
2602                 $editurl = '&section='.$section;
2603                 $url = $this->makeKnownLink($title->getPrefixedText(),wfMsg('editsection'),'action=edit'.$editurl);
2604
2605                 if( $wgContLang->isRTL() ) {
2606                         $farside = 'left';
2607                         $nearside = 'right';
2608                 } else {
2609                         $farside = 'right';
2610                         $nearside = 'left';
2611                 }
2612                 return "<div class=\"editsection\" style=\"float:$farside;margin-$nearside:5px;\">[".$url."]</div>";
2613
2614         }
2615
2616         function editSectionLink( $nt, $section ) {
2617                 global $wgRequest;
2618                 global $wgContLang;
2619
2620                 if( $wgRequest->getInt( 'oldid' ) && ( $wgRequest->getVal( 'diff' ) != '0' ) ) {
2621                         # Section edit links would be out of sync on an old page.
2622                         # But, if we're diffing to the current page, they'll be
2623                         # correct.
2624                         return '';
2625                 }
2626
2627                 $editurl = '&section='.$section;
2628                 $url = $this->makeKnownLink($nt->getPrefixedText(),wfMsg('editsection'),'action=edit'.$editurl);
2629
2630                 if( $wgContLang->isRTL() ) {
2631                         $farside = 'left';
2632                         $nearside = 'right';
2633                 } else {
2634                         $farside = 'right';
2635                         $nearside = 'left';
2636                 }
2637                 return "<div class=\"editsection\" style=\"float:$farside;margin-$nearside:5px;\">[".$url."]</div>";
2638
2639         }
2640
2641         /**
2642          * This function is called by EditPage.php and shows a bulletin board style
2643          * toolbar for common editing functions. It can be disabled in the user
2644          * preferences.
2645          * The necessary JavaScript code can be found in style/wikibits.js.
2646          */
2647         function getEditToolbar() {
2648                 global $wgStylePath, $wgLang, $wgMimeType;
2649
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                  */
2661                 $toolarray=array(
2662                         array(  'image'=>'button_bold.png',
2663                                         'open'  =>      "\'\'\'",
2664                                         'close' =>      "\'\'\'",
2665                                         'sample'=>      wfMsg('bold_sample'),
2666                                         'tip'   =>      wfMsg('bold_tip'),
2667                                         'key'   =>      'B'
2668                                 ),
2669                         array(  'image'=>'button_italic.png',
2670                                         'open'  =>      "\'\'",
2671                                         'close' =>      "\'\'",
2672                                         'sample'=>      wfMsg('italic_sample'),
2673                                         'tip'   =>      wfMsg('italic_tip'),
2674                                         'key'   =>      'I'
2675                                 ),
2676                         array(  'image'=>'button_link.png',
2677                                         'open'  =>      '[[',
2678                                         'close' =>      ']]',
2679                                         'sample'=>      wfMsg('link_sample'),
2680                                         'tip'   =>      wfMsg('link_tip'),
2681                                         'key'   =>      'L'
2682                                 ),
2683                         array(  'image'=>'button_extlink.png',
2684                                         'open'  =>      '[',
2685                                         'close' =>      ']',
2686                                         'sample'=>      wfMsg('extlink_sample'),
2687                                         'tip'   =>      wfMsg('extlink_tip'),
2688                                         'key'   =>      'X'
2689                                 ),
2690                         array(  'image'=>'button_headline.png',
2691                                         'open'  =>      "\\n== ",
2692                                         'close' =>      " ==\\n",
2693                                         'sample'=>      wfMsg('headline_sample'),
2694                                         'tip'   =>      wfMsg('headline_tip'),
2695                                         'key'   =>      'H'
2696                                 ),
2697                         array(  'image'=>'button_image.png',
2698                                         'open'  =>      '[['.$wgLang->getNsText(NS_IMAGE).":",
2699                                         'close' =>      ']]',
2700                                         'sample'=>      wfMsg('image_sample'),
2701                                         'tip'   =>      wfMsg('image_tip'),
2702                                         'key'   =>      'D'
2703                                 ),
2704                         array(  'image' =>      'button_media.png',
2705                                         'open'  =>      '[['.$wgLang->getNsText(NS_MEDIA).':',
2706                                         'close' =>      ']]',
2707                                         'sample'=>      wfMsg('media_sample'),
2708                                         'tip'   =>      wfMsg('media_tip'),
2709                                         'key'   =>      'M'
2710                                 ),
2711                         array(  'image' =>      'button_math.png',
2712                                         'open'  =>      "\\<math\\>",
2713                                         'close' =>      "\\</math\\>",
2714                                         'sample'=>      wfMsg('math_sample'),
2715                                         'tip'   =>      wfMsg('math_tip'),
2716                                         'key'   =>      'C'
2717                                 ),
2718                         array(  'image' =>      'button_nowiki.png',
2719                                         'open'  =>      "\\<nowiki\\>",
2720                                         'close' =>      "\\</nowiki\\>",
2721                                         'sample'=>      wfMsg('nowiki_sample'),
2722                                         'tip'   =>      wfMsg('nowiki_tip'),
2723                                         'key'   =>      'N'
2724                                 ),
2725                         array(  'image' =>      'button_sig.png',
2726                                         'open'  =>      '--~~~~',
2727                                         'close' =>      '',
2728                                         'sample'=>      '',
2729                                         'tip'   =>      wfMsg('sig_tip'),
2730                                         'key'   =>      'Y'
2731                                 ),
2732                         array(  'image' =>      'button_hr.png',
2733                                         'open'  =>      "\\n----\\n",
2734                                         'close' =>      '',
2735                                         'sample'=>      '',
2736                                         'tip'   =>      wfMsg('hr_tip'),
2737                                         'key'   =>      'R'
2738                                 )
2739                 );
2740                 $toolbar ="<script type='text/javascript'>\n/*<![CDATA[*/\n";
2741
2742                 $toolbar.="document.writeln(\"<div id='toolbar'>\");\n";
2743                 foreach($toolarray as $tool) {
2744
2745                         $image=$wgStylePath.'/common/images/'.$tool['image'];
2746                         $open=$tool['open'];
2747                         $close=$tool['close'];
2748                         $sample = addslashes( $tool['sample'] );
2749
2750                         // Note that we use the tip both for the ALT tag and the TITLE tag of the image.
2751                         // Older browsers show a "speedtip" type message only for ALT.
2752                         // Ideally these should be different, realistically they
2753                         // probably don't need to be.
2754                         $tip = addslashes( $tool['tip'] );
2755
2756                         #$key = $tool["key"];
2757
2758                         $toolbar.="addButton('$image','$tip','$open','$close','$sample');\n";
2759                 }
2760
2761                 $toolbar.="addInfobox('" . addslashes( wfMsg( "infobox" ) ) . "','" . addslashes(wfMsg("infobox_alert")) . "');\n";
2762                 $toolbar.="document.writeln(\"</div>\");\n";
2763
2764                 $toolbar.="/*]]>*/\n</script>";
2765                 return $toolbar;
2766         }
2767
2768         /**
2769          * @access public
2770          */
2771         function suppressUrlExpansion() {
2772                 return false;
2773         }
2774 }
2775
2776 }
2777 ?>