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) ) {
 303                                 $red = "&redirect={$redirect}";
 304                         }
 305                         if ( !empty($oldid) && ! isset( $diff ) ) {
 306                                 $oid = "&oldid={$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         function getCategoryLinks () {
 455                 global $wgOut, $wgTitle, $wgUser, $wgParser;
 456                 global $wgUseCategoryMagic, $wgUseCategoryBrowser, $wgLang;
 457
 458                 if( !$wgUseCategoryMagic ) return '' ;
 459                 if( count( $wgOut->mCategoryLinks ) == 0 ) return '';
 460
 461                 # Taken out so that they will be displayed in previews -- TS
 462                 #if( !$wgOut->isArticle() ) return '';
 463
 464                 $t = implode ( ' | ' , $wgOut->mCategoryLinks ) ;
 465                 $s = $this->makeKnownLink( 'Special:Categories',
 466                         wfMsg( 'categories' ), 'article=' . urlencode( $wgTitle->getPrefixedDBkey() ) )
 467                         . ': ' . $t;
 468
 469                 # optional 'dmoz-like' category browser. Will be shown under the list
 470                 # of categories an article belong to
 471                 if($wgUseCategoryBrowser) {
 472                         $s .= '<br/><hr/>';
 473
 474                         # get a big array of the parents tree
 475                         $parenttree = $wgTitle->getCategorieBrowser();
 476
 477                         # Render the array as a serie of links
 478                         function walkThrough ($tree) {
 479                                 global $wgUser;
 480                                 $sk = $wgUser->getSkin();
 481                                 $return = '';
 482                                 foreach($tree as $element => $parent) {
 483                                         if(empty($parent)) {
 484                                                 # element start a new list
 485                                                 $return .= '<br />';
 486                                         } else {
 487                                                 # grab the others elements
 488                                                 $return .= walkThrough($parent);
 489                                         }
 490                                         # add our current element to the list
 491                                         $eltitle = Title::NewFromText($element);
 492                                         # FIXME : should be makeLink() [AV]
 493                                         $return .= $sk->makeKnownLink($element, $eltitle->getText()).' &gt; ';
 494                                 }
 495                                 return $return;
 496                         }
 497
 498                         $s .= walkThrough($parenttree);
 499                 }
 500
 501                 return $s;
 502         }
 503
 504         function getCategories() {
 505                 $catlinks=$this->getCategoryLinks();
 506                 if(!empty($catlinks)) {
 507                         return "<p class='catlinks'>{$catlinks}</p>";
 508                 }
 509         }
 510
 511         function getQuickbarCompensator( $rows = 1 ) {
 512                 return "<td width='152' rowspan='{$rows}'>&nbsp;</td>";
 513         }
 514
 515         # This gets called immediately before the </body> tag.
 516         #
 517         function afterContent() {
 518                 global $wgUser, $wgOut, $wgServer;
 519                 global $wgTitle, $wgLang;
 520
 521                 $printfooter = "<div class=\"printfooter\">\n" . $this->printFooter() . "</div>\n";
 522                 return $printfooter . $this->doAfterContent();
 523         }
 524
 525         function printSource() {
 526                 global $wgTitle;
 527                 $url = htmlspecialchars( $wgTitle->getFullURL() );
 528                 return wfMsg( "retrievedfrom", "<a href=\"$url\">$url</a>" );
 529         }
 530
 531         function printFooter() {
 532                 return "<p>" .  $this->printSource() .
 533                         "</p>\n\n<p>" . $this->pageStats() . "</p>\n";
 534         }
 535
 536         function doAfterContent() {
 537         # overloaded by derived classes
 538         }
 539
 540         function pageTitleLinks() {
 541                 global $wgOut, $wgTitle, $wgUser, $wgContLang, $wgUseApproval, $wgRequest;
 542
 543                 extract( $wgRequest->getValues( 'oldid', 'diff' ) );
 544                 $action = $wgRequest->getText( 'action' );
 545
 546                 $s = $this->printableLink();
 547                 if ( wfMsgForContent ( 'disclaimers' ) != '-' )
 548                         $s .= ' | ' . $this->makeKnownLink(
 549                                 wfMsgForContent( 'disclaimerpage' ),
 550                                 wfMsgForContent( 'disclaimers' ) ) ;
 551
 552                 if ( $wgOut->isArticleRelated() ) {
 553                         if ( $wgTitle->getNamespace() == Namespace::getImage() ) {
 554                                 $name = $wgTitle->getDBkey();
 555                                 $link = htmlspecialchars( Image::wfImageUrl( $name ) );
 556                                 $style = $this->getInternalLinkAttributes( $link, $name );
 557                                 $s .= " | <a href=\"{$link}\"{$style}>{$name}</a>";
 558                         }
 559                         # This will show the "Approve" link if $wgUseApproval=true;
 560                         if ( isset ( $wgUseApproval ) && $wgUseApproval )
 561                         {
 562                                 $t = $wgTitle->getDBkey();
 563                                 $name = 'Approve this article' ;
 564                                 $link = "http://test.wikipedia.org/w/magnus/wiki.phtml?title={$t}&action=submit&doit=1" ;
 565                                 #htmlspecialchars( wfImageUrl( $name ) );
 566                                 $style = $this->getExternalLinkAttributes( $link, $name );
 567                                 $s .= " | <a href=\"{$link}\"{$style}>{$name}</a>" ;
 568                         }
 569                 }
 570                 if ( 'history' == $action || isset( $diff ) || isset( $oldid ) ) {
 571                         $s .= ' | ' . $this->makeKnownLink( $wgTitle->getPrefixedText(),
 572                                         wfMsg( 'currentrev' ) );
 573                 }
 574
 575                 if ( $wgUser->getNewtalk() ) {
 576                 # do not show "You have new messages" text when we are viewing our
 577                 # own talk page
 578
 579                         if(!(strcmp($wgTitle->getText(),$wgUser->getName()) == 0 &&
 580                                                 $wgTitle->getNamespace()==Namespace::getTalk(Namespace::getUser()))) {
 581                                 $n =$wgUser->getName();
 582                                 $tl = $this->makeKnownLink( $wgContLang->getNsText(
 583                                                         Namespace::getTalk( Namespace::getUser() ) ) . ":{$n}",
 584                                                 wfMsg('newmessageslink') );
 585                                 $s.= ' | <strong>'. wfMsg( 'newmessages', $tl ) . '</strong>';
 586                                 # disable caching
 587                                 $wgOut->setSquidMaxage(0);
 588                         }
 589                 }
 590
 591                 $undelete = $this->getUndeleteLink();
 592                 if( !empty( $undelete ) ) {
 593                         $s .= ' | '.$undelete;
 594                 }
 595                 return $s;
 596         }
 597
 598         function getUndeleteLink() {
 599                 global $wgUser, $wgTitle, $wgContLang, $action;
 600                 if( $wgUser->isSysop() &&
 601                         (($wgTitle->getArticleId() == 0) || ($action == "history")) &&
 602                         ($n = $wgTitle->isDeleted() ) ) {
 603                         return wfMsg( 'thisisdeleted',
 604                                 $this->makeKnownLink(
 605                                         $wgContLang->SpecialPage( 'Undelete/' . $wgTitle->getPrefixedDBkey() ),
 606                                         wfMsg( 'restorelink', $n ) ) );
 607                 }
 608                 return '';
 609         }
 610
 611         function printableLink() {
 612                 global $wgOut, $wgFeedClasses, $wgRequest;
 613
 614                 $baseurl = $_SERVER['REQUEST_URI'];
 615                 if( strpos( '?', $baseurl ) == false ) {
 616                         $baseurl .= '?';
 617                 } else {
 618                         $baseurl .= '&';
 619                 }
 620                 $baseurl = htmlspecialchars( $baseurl );
 621                 $printurl = $wgRequest->escapeAppendQuery( 'printable=yes' );
 622
 623                 $s = "<a href=\"$printurl\">" . wfMsg( 'printableversion' ) . '</a>';
 624                 if( $wgOut->isSyndicated() ) {
 625                         foreach( $wgFeedClasses as $format => $class ) {
 626                                 $feedurl = $wgRequest->escapeAppendQuery( "feed=$format" );
 627                                 $s .= " | <a href=\"$feedurl\">{$format}</a>";
 628                         }
 629                 }
 630                 return $s;
 631         }
 632
 633         function pageTitle() {
 634                 global $wgOut, $wgTitle, $wgUser;
 635
 636                 $s = '<h1 class="pagetitle">' . htmlspecialchars( $wgOut->getPageTitle() ) . '</h1>';
 637                 if($wgUser->getOption( 'editsectiononrightclick' ) && $wgTitle->userCanEdit()) { $s=$this->editSectionScript(0,$s);}
 638                 return $s;
 639         }
 640
 641         function pageSubtitle() {
 642                 global $wgOut;
 643
 644                 $sub = $wgOut->getSubtitle();
 645                 if ( '' == $sub ) {
 646                         global $wgExtraSubtitle;
 647                         $sub = wfMsg( 'tagline' ) . $wgExtraSubtitle;
 648                 }
 649                 $subpages = $this->subPageSubtitle();
 650                 $sub .= !empty($subpages)?"</p><p class='subpages'>$subpages":'';
 651                 $s = "<p class='subtitle'>{$sub}</p>\n";
 652                 return $s;
 653         }
 654
 655         function subPageSubtitle() {
 656                 global $wgOut,$wgTitle,$wgNamespacesWithSubpages;
 657                 $subpages = '';
 658                 if($wgOut->isArticle() && !empty($wgNamespacesWithSubpages[$wgTitle->getNamespace()])) {
 659                         $ptext=$wgTitle->getPrefixedText();
 660                         if(preg_match('/\//',$ptext)) {
 661                                 $links = explode('/',$ptext);
 662                                 $c = 0;
 663                                 $growinglink = '';
 664                                 foreach($links as $link) {
 665                                         $c++;
 666                                         if ($c<count($links)) {
 667                                                 $growinglink .= $link;
 668                                                 $getlink = $this->makeLink( $growinglink, $link );
 669                                                 if(preg_match('/class="new"/i',$getlink)) { break; } # this is a hack, but it saves time
 670                                                 if ($c>1) {
 671                                                         $subpages .= ' | ';
 672                                                 } else  {
 673                                                         $subpages .= '&lt; ';
 674                                                 }
 675                                                 $subpages .= $getlink;
 676                                                 $growinglink .= '/';
 677                                         }
 678                                 }
 679                         }
 680                 }
 681                 return $subpages;
 682         }
 683
 684         function nameAndLogin() {
 685                 global $wgUser, $wgTitle, $wgLang, $wgContLang, $wgShowIPinHeader, $wgIP;
 686
 687                 $li = $wgContLang->specialPage( 'Userlogin' );
 688                 $lo = $wgContLang->specialPage( 'Userlogout' );
 689
 690                 $s = '';
 691                 if ( 0 == $wgUser->getID() ) {
 692                         if( $wgShowIPinHeader && isset(  $_COOKIE[ini_get('session.name')] ) ) {
 693                                 $n = $wgIP;
 694
 695                                 $tl = $this->makeKnownLink( $wgContLang->getNsText(
 696                                   Namespace::getTalk( Namespace::getUser() ) ) . ":{$n}",
 697                                   $wgContLang->getNsText( Namespace::getTalk( 0 ) ) );
 698
 699                                 $s .= $n . ' ('.$tl.')';
 700                         } else {
 701                                 $s .= wfMsg('notloggedin');
 702                         }
 703
 704                         $rt = $wgTitle->getPrefixedURL();
 705                         if ( 0 == strcasecmp( urlencode( $lo ), $rt ) ) {
 706                                 $q = '';
 707                         } else { $q = "returnto={$rt}"; }
 708
 709                         $s .= "\n<br />" . $this->makeKnownLink( $li,
 710                           wfMsg( 'login' ), $q );
 711                 } else {
 712                         $n = $wgUser->getName();
 713                         $rt = $wgTitle->getPrefixedURL();
 714                         $tl = $this->makeKnownLink( $wgContLang->getNsText(
 715                           Namespace::getTalk( Namespace::getUser() ) ) . ":{$n}",
 716                           $wgContLang->getNsText( Namespace::getTalk( 0 ) ) );
 717
 718                         $tl = " ({$tl})";
 719
 720                         $s .= $this->makeKnownLink( $wgContLang->getNsText(
 721                           Namespace::getUser() ) . ":{$n}", $n ) . "{$tl}<br />" .
 722                           $this->makeKnownLink( $lo, wfMsg( 'logout' ),
 723                           "returnto={$rt}" ) . ' | ' .
 724                           $this->specialLink( 'preferences' );
 725                 }
 726                 $s .= ' | ' . $this->makeKnownLink( wfMsgForContent( 'helppage' ),
 727                   wfMsg( 'help' ) );
 728
 729                 return $s;
 730         }
 731
 732         function getSearchLink() {
 733                 $searchPage =& Title::makeTitle( NS_SPECIAL, 'Search' );
 734                 return $searchPage->getLocalURL();
 735         }
 736
 737         function escapeSearchLink() {
 738                 return htmlspecialchars( $this->getSearchLink() );
 739         }
 740
 741         function searchForm() {
 742                 global $wgRequest;
 743                 $search = $wgRequest->getText( 'search' );
 744
 745                 $s = '<form name="search" class="inline" method="post" action="'
 746                   . $this->escapeSearchLink() . "\">\n"
 747                   . '<input type="text" name="search" size="19" value="'
 748                   . htmlspecialchars(substr($search,0,256)) . "\" />\n"
 749                   . '<input type="submit" name="go" value="' . wfMsg ('go') . '" />&nbsp;'
 750                   . '<input type="submit" name="fulltext" value="' . wfMsg ('search') . "\" />\n</form>";
 751
 752                 return $s;
 753         }
 754
 755         function topLinks() {
 756                 global $wgOut;
 757                 $sep = " |\n";
 758
 759                 $s = $this->mainPageLink() . $sep
 760                   . $this->specialLink( 'recentchanges' );
 761
 762                 if ( $wgOut->isArticleRelated() ) {
 763                         $s .=  $sep . $this->editThisPage()
 764                           . $sep . $this->historyLink();
 765                 }
 766                 # Many people don't like this dropdown box
 767                 #$s .= $sep . $this->specialPagesList();
 768
 769                 return $s;
 770         }
 771
 772         function bottomLinks() {
 773                 global $wgOut, $wgUser, $wgTitle;
 774                 $sep = " |\n";
 775
 776                 $s = '';
 777                 if ( $wgOut->isArticleRelated() ) {
 778                         $s .= '<strong>' . $this->editThisPage() . '</strong>';
 779                         if ( 0 != $wgUser->getID() ) {
 780                                 $s .= $sep . $this->watchThisPage();
 781                         }
 782                         $s .= $sep . $this->talkLink()
 783                           . $sep . $this->historyLink()
 784                           . $sep . $this->whatLinksHere()
 785                           . $sep . $this->watchPageLinksLink();
 786
 787                         if ( $wgTitle->getNamespace() == Namespace::getUser()
 788                             || $wgTitle->getNamespace() == Namespace::getTalk(Namespace::getUser()) )
 789
 790                         {
 791                                 $id=User::idFromName($wgTitle->getText());
 792                                 $ip=User::isIP($wgTitle->getText());
 793
 794                                 if($id || $ip) { # both anons and non-anons have contri list
 795                                         $s .= $sep . $this->userContribsLink();
 796                                 }
 797                                 if ( 0 != $wgUser->getID() ) { # show only to signed in users
 798                                         if($id) {       # can only email non-anons
 799                                                 $s .= $sep . $this->emailUserLink();
 800                                         }
 801                                 }
 802                         }
 803                         if ( $wgUser->isSysop() && $wgTitle->getArticleId() ) {
 804                                 $s .= "\n<br />" . $this->deleteThisPage() .
 805                                 $sep . $this->protectThisPage() .
 806                                 $sep . $this->moveThisPage();
 807                         }
 808                         $s .= "<br />\n" . $this->otherLanguages();
 809                 }
 810                 return $s;
 811         }
 812
 813         function pageStats() {
 814                 global $wgOut, $wgLang, $wgArticle, $wgRequest;
 815                 global $wgDisableCounters, $wgMaxCredits, $wgShowCreditsIfMax;
 816
 817                 extract( $wgRequest->getValues( 'oldid', 'diff' ) );
 818                 if ( ! $wgOut->isArticle() ) { return ''; }
 819                 if ( isset( $oldid ) || isset( $diff ) ) { return ''; }
 820                 if ( 0 == $wgArticle->getID() ) { return ''; }
 821
 822                 $s = '';
 823                 if ( !$wgDisableCounters ) {
 824                         $count = $wgLang->formatNum( $wgArticle->getCount() );
 825                         if ( $count ) {
 826                                 $s = wfMsg( 'viewcount', $count );
 827                         }
 828                 }
 829
 830                 if (isset($wgMaxCredits) && $wgMaxCredits != 0) {
 831                     require_once("Credits.php");
 832                     $s .= ' ' . getCredits($wgArticle, $wgMaxCredits, $wgShowCreditsIfMax);
 833                 } else {
 834                     $s .= $this->lastModified();
 835                 }
 836
 837                 return $s . ' ' .  $this->getCopyright();
 838         }
 839
 840         function getCopyright() {
 841                 global $wgRightsPage, $wgRightsUrl, $wgRightsText, $wgRequest;
 842
 843
 844                 $oldid = $wgRequest->getVal( 'oldid' );
 845                 $diff = $wgRequest->getVal( 'diff' );
 846
 847                 if ( !is_null( $oldid ) && is_null( $diff ) && wfMsgForContent( 'history_copyright' ) !== '-' ) {
 848                         $msg = 'history_copyright';
 849                 } else {
 850                         $msg = 'copyright';
 851                 }
 852
 853                 $out = '';
 854                 if( $wgRightsPage ) {
 855                         $link = $this->makeKnownLink( $wgRightsPage, $wgRightsText );
 856                 } elseif( $wgRightsUrl ) {
 857                         $link = $this->makeExternalLink( $wgRightsUrl, $wgRightsText );
 858                 } else {
 859                         # Give up now
 860                         return $out;
 861                 }
 862                 $out .= wfMsgForContent( $msg, $link );
 863                 return $out;
 864         }
 865
 866         function getCopyrightIcon() {
 867                 global $wgRightsPage, $wgRightsUrl, $wgRightsText, $wgRightsIcon;
 868                 $out = '';
 869                 if( $wgRightsIcon ) {
 870                         $icon = htmlspecialchars( $wgRightsIcon );
 871                         if( $wgRightsUrl ) {
 872                                 $url = htmlspecialchars( $wgRightsUrl );
 873                                 $out .= '<a href="'.$url.'">';
 874                         }
 875                         $text = htmlspecialchars( $wgRightsText );
 876                         $out .= "<img src=\"$icon\" alt='$text' />";
 877                         if( $wgRightsUrl ) {
 878                                 $out .= '</a>';
 879                         }
 880                 }
 881                 return $out;
 882         }
 883
 884         function getPoweredBy() {
 885                 global $wgStylePath;
 886                 $url = htmlspecialchars( "$wgStylePath/common/images/poweredby_mediawiki_88x31.png" );
 887                 $img = '<a href="http://www.mediawiki.org/"><img src="'.$url.'" alt="MediaWiki" /></a>';
 888                 return $img;
 889         }
 890
 891         function lastModified() {
 892                 global $wgLang, $wgArticle;
 893
 894                 $timestamp = $wgArticle->getTimestamp();
 895                 if ( $timestamp ) {
 896                         $d = $wgLang->timeanddate( $wgArticle->getTimestamp(), true );
 897                         $s = ' ' . wfMsg( 'lastmodified', $d );
 898                 } else {
 899                         $s = '';
 900                 }
 901                 return $s;
 902         }
 903
 904         function logoText( $align = '' ) {
 905                 if ( '' != $align ) { $a = " align='{$align}'"; }
 906                 else { $a = ''; }
 907
 908                 $mp = wfMsg( 'mainpage' );
 909                 $titleObj = Title::newFromText( $mp );
 910                 if ( is_object( $titleObj ) ) {
 911                         $url = $titleObj->escapeLocalURL();
 912                 } else {
 913                         $url = '';
 914                 }
 915
 916                 $logourl = $this->getLogo();
 917                 $s = "<a href='{$url}'><img{$a} src='{$logourl}' alt='[{$mp}]' /></a>";
 918                 return $s;
 919         }
 920
 921         function specialPagesList() {
 922                 global $wgUser, $wgOut, $wgContLang, $wgServer, $wgRedirectScript;
 923                 require_once('SpecialPage.php');
 924                 $a = array();
 925                 $pages = SpecialPage::getPages();
 926
 927                 foreach ( $pages[''] as $name => $page ) {
 928                         $a[$name] = $page->getDescription();
 929                 }
 930                 if ( $wgUser->isSysop() )
 931                 {
 932                         foreach ( $pages['sysop'] as $name => $page ) {
 933                                 $a[$name] = $page->getDescription();
 934                         }
 935                 }
 936                 if ( $wgUser->isDeveloper() )
 937                 {
 938                         foreach ( $pages['developer'] as $name => $page ) {
 939                                 $a[$name] = $page->getDescription() ;
 940                         }
 941                 }
 942                 $go = wfMsg( 'go' );
 943                 $sp = wfMsg( 'specialpages' );
 944                 $spp = $wgContLang->specialPage( 'Specialpages' );
 945
 946                 $s = '<form id="specialpages" method="get" class="inline" ' .
 947                   'action="' . htmlspecialchars( "{$wgServer}{$wgRedirectScript}" ) . "\">\n";
 948                 $s .= "<select name=\"wpDropdown\">\n";
 949                 $s .= "<option value=\"{$spp}\">{$sp}</option>\n";
 950
 951                 foreach ( $a as $name => $desc ) {
 952                         $p = $wgContLang->specialPage( $name );
 953                         $s .= "<option value=\"{$p}\">{$desc}</option>\n";
 954                 }
 955                 $s .= "</select>\n";
 956                 $s .= "<input type='submit' value=\"{$go}\" name='redirect' />\n";
 957                 $s .= "</form>\n";
 958                 return $s;
 959         }
 960
 961         function mainPageLink() {
 962                 $mp = wfMsgForContent( 'mainpage' );
 963                 $mptxt = wfMsg( 'mainpage');
 964                 $s = $this->makeKnownLink( $mp, $mptxt );
 965                 return $s;
 966         }
 967
 968         function copyrightLink() {
 969                 $s = $this->makeKnownLink( wfMsgForContent( 'copyrightpage' ),
 970                   wfMsg( 'copyrightpagename' ) );
 971                 return $s;
 972         }
 973
 974         function aboutLink() {
 975                 $s = $this->makeKnownLink( wfMsgForContent( 'aboutpage' ),
 976                   wfMsg( 'aboutsite' ) );
 977                 return $s;
 978         }
 979
 980
 981         function disclaimerLink() {
 982                 $s = $this->makeKnownLink( wfMsgForContent( 'disclaimerpage' ),
 983                   wfMsg( 'disclaimers' ) );
 984                 return $s;
 985         }
 986
 987         function editThisPage() {
 988                 global $wgOut, $wgTitle, $wgRequest;
 989
 990                 $oldid = $wgRequest->getVal( 'oldid' );
 991                 $diff = $wgRequest->getVal( 'diff' );
 992                 $redirect = $wgRequest->getVal( 'redirect' );
 993
 994                 if ( ! $wgOut->isArticleRelated() ) {
 995                         $s = wfMsg( 'protectedpage' );
 996                 } else {
 997                         $n = $wgTitle->getPrefixedText();
 998                         if ( $wgTitle->userCanEdit() ) {
 999                                 $t = wfMsg( 'editthispage' );
1000                         } else {
1001                                 #$t = wfMsg( "protectedpage" );
1002                                 $t = wfMsg( 'viewsource' );
1003                         }
1004                         $oid = $red = '';
1005
1006                         if ( !is_null( $redirect ) ) { $red = "&redirect={$redirect}"; }
1007                         if ( $oldid && ! isset( $diff ) ) {
1008                                 $oid = '&oldid='.$oldid;
1009                         }
1010                         $s = $this->makeKnownLink( $n, $t, "action=edit{$oid}{$red}" );
1011                 }
1012                 return $s;
1013         }
1014
1015         function deleteThisPage() {
1016                 global $wgUser, $wgOut, $wgTitle, $wgRequest;
1017
1018                 $diff = $wgRequest->getVal( 'diff' );
1019                 if ( $wgTitle->getArticleId() && ( ! $diff ) && $wgUser->isSysop() ) {
1020                         $n = $wgTitle->getPrefixedText();
1021                         $t = wfMsg( 'deletethispage' );
1022
1023                         $s = $this->makeKnownLink( $n, $t, 'action=delete' );
1024                 } else {
1025                         $s = '';
1026                 }
1027                 return $s;
1028         }
1029
1030         function protectThisPage() {
1031                 global $wgUser, $wgOut, $wgTitle, $wgRequest;
1032
1033                 $diff = $wgRequest->getVal( 'diff' );
1034                 if ( $wgTitle->getArticleId() && ( ! $diff ) && $wgUser->isSysop() ) {
1035                         $n = $wgTitle->getPrefixedText();
1036
1037                         if ( $wgTitle->isProtected() ) {
1038                                 $t = wfMsg( 'unprotectthispage' );
1039                                 $q = 'action=unprotect';
1040                         } else {
1041                                 $t = wfMsg( 'protectthispage' );
1042                                 $q = 'action=protect';
1043                         }
1044                         $s = $this->makeKnownLink( $n, $t, $q );
1045                 } else {
1046                         $s = '';
1047                 }
1048                 return $s;
1049         }
1050
1051         function watchThisPage() {
1052                 global $wgUser, $wgOut, $wgTitle;
1053
1054                 if ( $wgOut->isArticleRelated() ) {
1055                         $n = $wgTitle->getPrefixedText();
1056
1057                         if ( $wgTitle->userIsWatching() ) {
1058                                 $t = wfMsg( 'unwatchthispage' );
1059                                 $q = 'action=unwatch';
1060                         } else {
1061                                 $t = wfMsg( 'watchthispage' );
1062                                 $q = 'action=watch';
1063                         }
1064                         $s = $this->makeKnownLink( $n, $t, $q );
1065                 } else {
1066                         $s = wfMsg( 'notanarticle' );
1067                 }
1068                 return $s;
1069         }
1070
1071         function moveThisPage() {
1072                 global $wgTitle, $wgContLang;
1073
1074                 if ( $wgTitle->userCanEdit() ) {
1075                         $s = $this->makeKnownLink( $wgContLang->specialPage( 'Movepage' ),
1076                           wfMsg( 'movethispage' ), 'target=' . $wgTitle->getPrefixedURL() );
1077                 } // no message if page is protected - would be redundant
1078                 return $s;
1079         }
1080
1081         function historyLink() {
1082                 global $wgTitle;
1083
1084                 $s = $this->makeKnownLink( $wgTitle->getPrefixedText(),
1085                   wfMsg( 'history' ), 'action=history' );
1086                 return $s;
1087         }
1088
1089         function whatLinksHere() {
1090                 global $wgTitle, $wgContLang;
1091
1092                 $s = $this->makeKnownLink( $wgContLang->specialPage( 'Whatlinkshere' ),
1093                   wfMsg( 'whatlinkshere' ), 'target=' . $wgTitle->getPrefixedURL() );
1094                 return $s;
1095         }
1096
1097         function userContribsLink() {
1098                 global $wgTitle, $wgContLang;
1099
1100                 $s = $this->makeKnownLink( $wgContLang->specialPage( 'Contributions' ),
1101                   wfMsg( 'contributions' ), 'target=' . $wgTitle->getPartialURL() );
1102                 return $s;
1103         }
1104
1105         function emailUserLink() {
1106                 global $wgTitle, $wgContLang;
1107
1108                 $s = $this->makeKnownLink( $wgContLang->specialPage( 'Emailuser' ),
1109                   wfMsg( 'emailuser' ), 'target=' . $wgTitle->getPartialURL() );
1110                 return $s;
1111         }
1112
1113         function watchPageLinksLink() {
1114                 global $wgOut, $wgTitle, $wgContLang;
1115
1116                 if ( ! $wgOut->isArticleRelated() ) {
1117                         $s = '(' . wfMsg( 'notanarticle' ) . ')';
1118                 } else {
1119                         $s = $this->makeKnownLink( $wgContLang->specialPage(
1120                           'Recentchangeslinked' ), wfMsg( 'recentchangeslinked' ),
1121                           'target=' . $wgTitle->getPrefixedURL() );
1122                 }
1123                 return $s;
1124         }
1125
1126         function otherLanguages() {
1127                 global $wgOut, $wgContLang, $wgTitle, $wgUseNewInterlanguage;
1128
1129                 $a = $wgOut->getLanguageLinks();
1130                 if ( 0 == count( $a ) ) {
1131                         if ( !$wgUseNewInterlanguage ) return '';
1132                         $ns = $wgContLang->getNsIndex ( $wgTitle->getNamespace () ) ;
1133                         if ( $ns != 0 AND $ns != 1 ) return '' ;
1134                         $pn = 'Intl' ;
1135                         $x = 'mode=addlink&xt='.$wgTitle->getDBkey() ;
1136                         return $this->makeKnownLink( $wgContLang->specialPage( $pn ),
1137                                   wfMsg( 'intl' ) , $x );
1138                         }
1139
1140                 if ( !$wgUseNewInterlanguage ) {
1141                         $s = wfMsg( 'otherlanguages' ) . ': ';
1142                 } else {
1143                         global $wgContLanguageCode ;
1144                         $x = 'mode=zoom&xt='.$wgTitle->getDBkey() ;
1145                         $x .= '&xl='.$wgContLanguageCode ;
1146                         $s =  $this->makeKnownLink( $wgContLang->specialPage( 'Intl' ),
1147                                   wfMsg( 'otherlanguages' ) , $x ) . ': ' ;
1148                         }
1149
1150                 $s = wfMsg( 'otherlanguages' ) . ': ';
1151                 $first = true;
1152                 if($wgContLang->isRTL()) $s .= '<span dir="LTR">';
1153                 foreach( $a as $l ) {
1154                         if ( ! $first ) { $s .= ' | '; }
1155                         $first = false;
1156
1157                         $nt = Title::newFromText( $l );
1158                         $url = $nt->getFullURL();
1159                         $text = $wgContLang->getLanguageName( $nt->getInterwiki() );
1160
1161                         if ( '' == $text ) { $text = $l; }
1162                         $style = $this->getExternalLinkAttributes( $l, $text );
1163                         $s .= "<a href=\"{$url}\"{$style}>{$text}</a>";
1164                 }
1165                 if($wgContLang->isRTL()) $s .= '</span>';
1166                 return $s;
1167         }
1168
1169         function bugReportsLink() {
1170                 $s = $this->makeKnownLink( wfMsgForContent( 'bugreportspage' ),
1171                   wfMsg( 'bugreports' ) );
1172                 return $s;
1173         }
1174
1175         function dateLink() {
1176                 global $wgLinkCache;
1177                 $t1 = Title::newFromText( gmdate( 'F j' ) );
1178                 $t2 = Title::newFromText( gmdate( 'Y' ) );
1179
1180                 $wgLinkCache->suspend();
1181                 $id = $t1->getArticleID();
1182                 $wgLinkCache->resume();
1183
1184                 if ( 0 == $id ) {
1185                         $s = $this->makeBrokenLink( $t1->getText() );
1186                 } else {
1187                         $s = $this->makeKnownLink( $t1->getText() );
1188                 }
1189                 $s .= ', ';
1190
1191                 $wgLinkCache->suspend();
1192                 $id = $t2->getArticleID();
1193                 $wgLinkCache->resume();
1194
1195                 if ( 0 == $id ) {
1196                         $s .= $this->makeBrokenLink( $t2->getText() );
1197                 } else {
1198                         $s .= $this->makeKnownLink( $t2->getText() );
1199                 }
1200                 return $s;
1201         }
1202
1203         function talkLink() {
1204                 global $wgContLang, $wgTitle, $wgLinkCache;
1205
1206                 $tns = $wgTitle->getNamespace();
1207                 if ( -1 == $tns ) { return ''; }
1208
1209                 $pn = $wgTitle->getText();
1210                 $tp = wfMsg( 'talkpage' );
1211                 if ( Namespace::isTalk( $tns ) ) {
1212                         $lns = Namespace::getSubject( $tns );
1213                         switch($tns) {
1214                                 case 1:
1215                                 $text = wfMsg('articlepage');
1216                                 break;
1217                                 case 3:
1218                                 $text = wfMsg('userpage');
1219                                 break;
1220                                 case 5:
1221                                 $text = wfMsg('wikipediapage');
1222                                 break;
1223                                 case 7:
1224                                 $text = wfMsg('imagepage');
1225                                 break;
1226                                 default:
1227                                 $text= wfMsg('articlepage');
1228                         }
1229                 } else {
1230
1231                         $lns = Namespace::getTalk( $tns );
1232                         $text=$tp;
1233                 }
1234                 $n = $wgContLang->getNsText( $lns );
1235                 if ( '' == $n ) { $link = $pn; }
1236                 else { $link = $n.':'.$pn; }
1237
1238                 $wgLinkCache->suspend();
1239                 $s = $this->makeLink( $link, $text );
1240                 $wgLinkCache->resume();
1241
1242                 return $s;
1243         }
1244
1245         function commentLink() {
1246                 global $wgContLang, $wgTitle, $wgLinkCache;
1247
1248                 $tns = $wgTitle->getNamespace();
1249                 if ( -1 == $tns ) { return ''; }
1250
1251                 $lns = ( Namespace::isTalk( $tns ) ) ? $tns : Namespace::getTalk( $tns );
1252
1253                 # assert Namespace::isTalk( $lns )
1254
1255                 $n = $wgContLang->getNsText( $lns );
1256                 $pn = $wgTitle->getText();
1257
1258                 $link = $n.':'.$pn;
1259
1260                 $wgLinkCache->suspend();
1261                 $s = $this->makeKnownLink($link, wfMsg('postcomment'), 'action=edit&section=new');
1262                 $wgLinkCache->resume();
1263
1264                 return $s;
1265         }
1266
1267         /**
1268          * After all the page content is transformed into HTML, it makes
1269          * a final pass through here for things like table backgrounds.
1270          * @todo probably deprecated [AV]
1271          */
1272         function transformContent( $text ) {
1273                 return $text;
1274         }
1275
1276         /**
1277          * Note: This function MUST call getArticleID() on the link,
1278          * otherwise the cache won't get updated properly.  See LINKCACHE.DOC.
1279          */
1280         function makeLink( $title, $text = '', $query = '', $trail = '' ) {
1281                 wfProfileIn( 'Skin::makeLink' );
1282                 $nt = Title::newFromText( $title );
1283                 if ($nt) {
1284                         $result = $this->makeLinkObj( Title::newFromText( $title ), $text, $query, $trail );
1285                 } else {
1286                         wfDebug( 'Invalid title passed to Skin::makeLink(): "'.$title."\"\n" );
1287                         $result = $text == "" ? $title : $text;
1288                 }
1289
1290                 wfProfileOut( 'Skin::makeLink' );
1291                 return $result;
1292         }
1293
1294         function makeKnownLink( $title, $text = '', $query = '', $trail = '', $prefix = '',$aprops = '') {
1295                 $nt = Title::newFromText( $title );
1296                 if ($nt) {
1297                         return $this->makeKnownLinkObj( Title::newFromText( $title ), $text, $query, $trail, $prefix , $aprops );
1298                 } else {
1299                         wfDebug( 'Invalid title passed to Skin::makeKnownLink(): "'.$title."\"\n" );
1300                         return $text == '' ? $title : $text;
1301                 }
1302         }
1303
1304         function makeBrokenLink( $title, $text = '', $query = '', $trail = '' ) {
1305                 $nt = Title::newFromText( $title );
1306                 if ($nt) {
1307                         return $this->makeBrokenLinkObj( Title::newFromText( $title ), $text, $query, $trail );
1308                 } else {
1309                         wfDebug( 'Invalid title passed to Skin::makeBrokenLink(): "'.$title."\"\n" );
1310                         return $text == '' ? $title : $text;
1311                 }
1312         }
1313
1314         function makeStubLink( $title, $text = '', $query = '', $trail = '' ) {
1315                 $nt = Title::newFromText( $title );
1316                 if ($nt) {
1317                         return $this->makeStubLinkObj( Title::newFromText( $title ), $text, $query, $trail );
1318                 } else {
1319                         wfDebug( 'Invalid title passed to Skin::makeStubLink(): "'.$title."\"\n" );
1320                         return $text == '' ? $title : $text;
1321                 }
1322         }
1323
1324         /**
1325          * Pass a title object, not a title string
1326          */
1327         function makeLinkObj( &$nt, $text= '', $query = '', $trail = '', $prefix = '' ) {
1328                 global $wgOut, $wgUser, $wgLinkHolders;
1329                 $fname = 'Skin::makeLinkObj';
1330
1331                 # Fail gracefully
1332                 if ( ! isset($nt) ) {
1333                         # wfDebugDieBacktrace();
1334                         return "<!-- ERROR -->{$prefix}{$text}{$trail}";
1335                 }
1336
1337                 if ( $nt->isExternal() ) {
1338                         $u = $nt->getFullURL();
1339                         $link = $nt->getPrefixedURL();
1340                         if ( '' == $text ) { $text = $nt->getPrefixedText(); }
1341                         $style = $this->getExternalLinkAttributes( $link, $text, 'extiw' );
1342
1343                         $inside = '';
1344                         if ( '' != $trail ) {
1345                                 if ( preg_match( '/^([a-z]+)(.*)$$/sD', $trail, $m ) ) {
1346                                         $inside = $m[1];
1347                                         $trail = $m[2];
1348                                 }
1349                         }
1350                         # Assume $this->postParseLinkColour(). This prevents
1351                         # interwiki links from being parsed as external links.
1352                         global $wgInterwikiLinkHolders;
1353                         $t = "<a href=\"{$u}\"{$style}>{$text}{$inside}</a>";
1354                         $nr = array_push($wgInterwikiLinkHolders, $t);
1355                         $retVal = '<!--IWLINK '. ($nr-1) ."-->{$trail}";
1356                 } elseif ( 0 == $nt->getNamespace() && "" == $nt->getText() ) {
1357                         $retVal = $this->makeKnownLinkObj( $nt, $text, $query, $trail, $prefix );
1358                 } elseif ( ( -1 == $nt->getNamespace() ) ||
1359                                 ( Namespace::getImage() == $nt->getNamespace() ) ) {
1360                         $retVal = $this->makeKnownLinkObj( $nt, $text, $query, $trail, $prefix );
1361                 } else {
1362                         if ( $this->postParseLinkColour() ) {
1363                                 $inside = '';
1364                                 if ( '' != $trail ) {
1365                                         if ( preg_match( $this->linktrail, $trail, $m ) ) {
1366                                                 $inside = $m[1];
1367                                                 $trail = $m[2];
1368                                         }
1369                                 }
1370
1371                                 # Allows wiki to bypass using linkcache, see OutputPage::parseLinkHolders()
1372                                 $nr = array_push( $wgLinkHolders['namespaces'], $nt->getNamespace() );
1373                                 $wgLinkHolders['dbkeys'][] = $nt->getDBkey();
1374                                 $wgLinkHolders['queries'][] = $query;
1375                                 $wgLinkHolders['texts'][] = $prefix.$text.$inside;
1376                                 $wgLinkHolders['titles'][] = $nt;
1377
1378                                 $retVal = '<!--LINK '. ($nr-1) ."-->{$trail}";
1379                         } else {
1380                                 # Work out link colour immediately
1381                                 $aid = $nt->getArticleID() ;
1382                                 if ( 0 == $aid ) {
1383                                         $retVal = $this->makeBrokenLinkObj( $nt, $text, $query, $trail, $prefix );
1384                                 } else {
1385                                         $threshold = $wgUser->getOption('stubthreshold') ;
1386                                         if ( $threshold > 0 ) {
1387                                                 $dbr =& wfGetDB( DB_SLAVE );
1388                                                 $s = $dbr->selectRow( 'cur', array( 'LENGTH(cur_text) AS x', 'cur_namespace',
1389                                                         'cur_is_redirect' ), array( 'cur_id' => $aid ), $fname ) ;
1390                                                 if ( $s !== false ) {
1391                                                         $size = $s->x;
1392                                                         if ( $s->cur_is_redirect OR $s->cur_namespace != 0 ) {
1393                                                                 $size = $threshold*2 ; # Really big
1394                                                         }
1395                                                         $dbr->freeResult( $res );
1396                                                 } else {
1397                                                         $size = $threshold*2 ; # Really big
1398                                                 }
1399                                         } else {
1400                                                 $size = 1 ;
1401                                         }
1402                                         if ( $size < $threshold ) {
1403                                                 $retVal = $this->makeStubLinkObj( $nt, $text, $query, $trail, $prefix );
1404                                         } else {
1405                                                 $retVal = $this->makeKnownLinkObj( $nt, $text, $query, $trail, $prefix );
1406                                         }
1407                                 }
1408                         }
1409                 }
1410                 return $retVal;
1411         }
1412
1413         /**
1414          * Pass a title object, not a title string
1415          */
1416         function makeKnownLinkObj( &$nt, $text = '', $query = '', $trail = '', $prefix = '' , $aprops = '' ) {
1417                 global $wgOut, $wgTitle, $wgInputEncoding;
1418
1419                 $fname = 'Skin::makeKnownLinkObj';
1420                 wfProfileIn( $fname );
1421
1422                 if ( !is_object( $nt ) ) {
1423                         return $text;
1424                 }
1425                 $link = $nt->getPrefixedURL();
1426 #               if ( '' != $section && substr($section,0,1) != "#" ) {
1427 #                       $section = ''
1428
1429                 if ( '' == $link ) {
1430                         $u = '';
1431                         if ( '' == $text ) {
1432                                 $text = htmlspecialchars( $nt->getFragment() );
1433                         }
1434                 } else {
1435                         $u = $nt->escapeLocalURL( $query );
1436                 }
1437                 if ( '' != $nt->getFragment() ) {
1438                         $anchor = urlencode( do_html_entity_decode( str_replace(' ', '_', $nt->getFragment()), ENT_COMPAT, $wgInputEncoding ) );
1439                         $replacearray = array(
1440                                 '%3A' => ':',
1441                                 '%' => '.'
1442                         );
1443                         $u .= '#' . str_replace(array_keys($replacearray),array_values($replacearray),$anchor);
1444                 }
1445                 if ( '' == $text ) {
1446                         $text = htmlspecialchars( $nt->getPrefixedText() );
1447                 }
1448                 $style = $this->getInternalLinkAttributesObj( $nt, $text );
1449
1450                 $inside = '';
1451                 if ( '' != $trail ) {
1452                         if ( preg_match( $this->linktrail, $trail, $m ) ) {
1453                                 $inside = $m[1];
1454                                 $trail = $m[2];
1455                         }
1456                 }
1457                 $r = "<a href=\"{$u}\"{$style}{$aprops}>{$prefix}{$text}{$inside}</a>{$trail}";
1458                 wfProfileOut( $fname );
1459                 return $r;
1460         }
1461
1462         /**
1463          * Pass a title object, not a title string
1464          */
1465         function makeBrokenLinkObj( &$nt, $text = '', $query = '', $trail = '', $prefix = '' ) {
1466                 global $wgOut, $wgUser;
1467
1468                 # Fail gracefully
1469                 if ( ! isset($nt) ) {
1470                         # wfDebugDieBacktrace();
1471                         return "<!-- ERROR -->{$prefix}{$text}{$trail}";
1472                 }
1473
1474                 $fname = 'Skin::makeBrokenLinkObj';
1475                 wfProfileIn( $fname );
1476
1477                 if ( '' == $query ) {
1478                         $q = 'action=edit';
1479                 } else {
1480                         $q = 'action=edit&'.$query;
1481                 }
1482                 $u = $nt->escapeLocalURL( $q );
1483
1484                 if ( '' == $text ) {
1485                         $text = htmlspecialchars( $nt->getPrefixedText() );
1486                 }
1487                 $style = $this->getInternalLinkAttributesObj( $nt, $text, "yes" );
1488
1489                 $inside = '';
1490                 if ( '' != $trail ) {
1491                         if ( preg_match( $this->linktrail, $trail, $m ) ) {
1492                                 $inside = $m[1];
1493                                 $trail = $m[2];
1494                         }
1495                 }
1496                 if ( $wgUser->getOption( 'highlightbroken' ) ) {
1497                         $s = "<a href=\"{$u}\"{$style}>{$prefix}{$text}{$inside}</a>{$trail}";
1498                 } else {
1499                         $s = "{$prefix}{$text}{$inside}<a href=\"{$u}\"{$style}>?</a>{$trail}";
1500                 }
1501
1502                 wfProfileOut( $fname );
1503                 return $s;
1504         }
1505
1506         /**
1507          * Pass a title object, not a title string
1508          */
1509         function makeStubLinkObj( &$nt, $text = '', $query = '', $trail = '', $prefix = '' ) {
1510                 global $wgOut, $wgUser;
1511
1512                 $link = $nt->getPrefixedURL();
1513
1514                 $u = $nt->escapeLocalURL( $query );
1515
1516                 if ( '' == $text ) {
1517                         $text = htmlspecialchars( $nt->getPrefixedText() );
1518                 }
1519                 $style = $this->getInternalLinkAttributesObj( $nt, $text, 'stub' );
1520
1521                 $inside = '';
1522                 if ( '' != $trail ) {
1523                         if ( preg_match( $this->linktrail, $trail, $m ) ) {
1524                                 $inside = $m[1];
1525                                 $trail = $m[2];
1526                         }
1527                 }
1528                 if ( $wgUser->getOption( 'highlightbroken' ) ) {
1529                         $s = "<a href=\"{$u}\"{$style}>{$prefix}{$text}{$inside}</a>{$trail}";
1530                 } else {
1531                         $s = "{$prefix}{$text}{$inside}<a href=\"{$u}\"{$style}>!</a>{$trail}";
1532                 }
1533                 return $s;
1534         }
1535
1536         function makeSelfLinkObj( &$nt, $text = '', $query = '', $trail = '', $prefix = '' ) {
1537                 $u = $nt->escapeLocalURL( $query );
1538                 if ( '' == $text ) {
1539                         $text = htmlspecialchars( $nt->getPrefixedText() );
1540                 }
1541                 $inside = '';
1542                 if ( '' != $trail ) {
1543                         if ( preg_match( $this->linktrail, $trail, $m ) ) {
1544                                 $inside = $m[1];
1545                                 $trail = $m[2];
1546                         }
1547                 }
1548                 return "<strong>{$prefix}{$text}{$inside}</strong>{$trail}";
1549         }
1550
1551         /* these are used extensively in SkinPHPTal, but also some other places */
1552         /*static*/ function makeSpecialUrl( $name, $urlaction='' ) {
1553                 $title = Title::makeTitle( NS_SPECIAL, $name );
1554                 $this->checkTitle($title, $name);
1555                 return $title->getLocalURL( $urlaction );
1556         }
1557         /*static*/ function makeTalkUrl ( $name, $urlaction='' ) {
1558                 $title = Title::newFromText( $name );
1559                 $title = $title->getTalkPage();
1560                 $this->checkTitle($title, $name);
1561                 return $title->getLocalURL( $urlaction );
1562         }
1563         /*static*/ function makeArticleUrl ( $name, $urlaction='' ) {
1564                 $title = Title::newFromText( $name );
1565                 $title= $title->getSubjectPage();
1566                 $this->checkTitle($title, $name);
1567                 return $title->getLocalURL( $urlaction );
1568         }
1569         /*static*/ function makeI18nUrl ( $name, $urlaction='' ) {
1570                 $title = Title::newFromText( wfMsgForContent($name) );
1571                 $this->checkTitle($title, $name);
1572                 return $title->getLocalURL( $urlaction );
1573         }
1574         /*static*/ function makeUrl ( $name, $urlaction='' ) {
1575                 $title = Title::newFromText( $name );
1576                 $this->checkTitle($title, $name);
1577                 return $title->getLocalURL( $urlaction );
1578         }
1579
1580         # If url string starts with http, consider as external URL, else
1581         # internal
1582         /*static*/ function makeInternalOrExternalUrl( $name ) {
1583                 if ( strncmp( $name, 'http', 4 ) == 0 ) {
1584                         return $name;
1585                 } else {
1586                         return $this->makeUrl( $name );
1587                 }
1588         }
1589
1590         # this can be passed the NS number as defined in Language.php
1591         /*static*/ function makeNSUrl( $name, $urlaction='', $namespace=0 ) {
1592                 $title = Title::makeTitleSafe( $namespace, $name );
1593                 $this->checkTitle($title, $name);
1594                 return $title->getLocalURL( $urlaction );
1595         }
1596
1597         /* these return an array with the 'href' and boolean 'exists' */
1598         /*static*/ function makeUrlDetails ( $name, $urlaction='' ) {
1599                 $title = Title::newFromText( $name );
1600                 $this->checkTitle($title, $name);
1601                 return array(
1602                         'href' => $title->getLocalURL( $urlaction ),
1603                         'exists' => $title->getArticleID() != 0?true:false
1604                 );
1605         }
1606         /*static*/ function makeTalkUrlDetails ( $name, $urlaction='' ) {
1607                 $title = Title::newFromText( $name );
1608                 $title = $title->getTalkPage();
1609                 $this->checkTitle($title, $name);
1610                 return array(
1611                         'href' => $title->getLocalURL( $urlaction ),
1612                         'exists' => $title->getArticleID() != 0?true:false
1613                 );
1614         }
1615         /*static*/ function makeArticleUrlDetails ( $name, $urlaction='' ) {
1616                 $title = Title::newFromText( $name );
1617                 $title= $title->getSubjectPage();
1618                 $this->checkTitle($title, $name);
1619                 return array(
1620                         'href' => $title->getLocalURL( $urlaction ),
1621                         'exists' => $title->getArticleID() != 0?true:false
1622                 );
1623         }
1624         /*static*/ function makeI18nUrlDetails ( $name, $urlaction='' ) {
1625                 $title = Title::newFromText( wfMsgForContent($name) );
1626                 $this->checkTitle($title, $name);
1627                 return array(
1628                         'href' => $title->getLocalURL( $urlaction ),
1629                         'exists' => $title->getArticleID() != 0?true:false
1630                 );
1631         }
1632
1633         # make sure we have some title to operate on
1634         /*static*/ function checkTitle ( &$title, &$name ) {
1635                 if(!is_object($title)) {
1636                         $title = Title::newFromText( $name );
1637                         if(!is_object($title)) {
1638                                 $title = Title::newFromText( '--error: link target missing--' );
1639                         }
1640                 }
1641         }
1642
1643         function fnamePart( $url ) {
1644                 $basename = strrchr( $url, '/' );
1645                 if ( false === $basename ) {
1646                         $basename = $url;
1647                 } else {
1648                         $basename = substr( $basename, 1 );
1649                 }
1650                 return htmlspecialchars( $basename );
1651         }
1652
1653         function makeImage( $url, $alt = '' ) {
1654                 global $wgOut;
1655
1656                 if ( '' == $alt ) {
1657                         $alt = $this->fnamePart( $url );
1658                 }
1659                 $s = '<img src="'.$url.'" alt="'.$alt.'" />';
1660                 return $s;
1661         }
1662
1663         function makeImageLink( $name, $url, $alt = '' ) {
1664                 $nt = Title::makeTitleSafe( NS_IMAGE, $name );
1665                 return $this->makeImageLinkObj( $nt, $alt );
1666         }
1667
1668         function makeImageLinkObj( $nt, $alt = '' ) {
1669                 global $wgContLang, $wgUseImageResize;
1670                 $img   = Image::newFromTitle( $nt );
1671                 $url   = $img->getURL();
1672
1673                 $align = '';
1674                 $prefix = $postfix = '';
1675
1676                 if ( $wgUseImageResize ) {
1677                         # Check if the alt text is of the form "options|alt text"
1678                         # Options are:
1679                         #  * thumbnail          make a thumbnail with enlarge-icon and caption, alignment depends on lang
1680                         #  * left               no resizing, just left align. label is used for alt= only
1681                         #  * right              same, but right aligned
1682                         #  * none               same, but not aligned
1683                         #  * ___px              scale to ___ pixels width, no aligning. e.g. use in taxobox
1684                         #  * center             center the image
1685                         #  * framed             Keep original image size, no magnify-button.
1686
1687                         $part = explode( '|', $alt);
1688
1689                         $mwThumb  =& MagicWord::get( MAG_IMG_THUMBNAIL );
1690                         $mwLeft   =& MagicWord::get( MAG_IMG_LEFT );
1691                         $mwRight  =& MagicWord::get( MAG_IMG_RIGHT );
1692                         $mwNone   =& MagicWord::get( MAG_IMG_NONE );
1693                         $mwWidth  =& MagicWord::get( MAG_IMG_WIDTH );
1694                         $mwCenter =& MagicWord::get( MAG_IMG_CENTER );
1695                         $mwFramed =& MagicWord::get( MAG_IMG_FRAMED );
1696                         $alt = $part[count($part)-1];
1697
1698                         $height = $framed = $thumb = false;
1699                         $manual_thumb = "" ;
1700
1701                         foreach( $part as $key => $val ) {
1702                                 $val_parts = explode ( "=" , $val , 2 ) ;
1703                                 $left_part = array_shift ( $val_parts ) ;
1704                                 if ( ! is_null( $mwThumb->matchVariableStartToEnd($val) ) ) {
1705                                         $thumb=true;
1706                                 } elseif ( count ( $val_parts ) == 1 && ! is_null( $mwThumb->matchVariableStartToEnd($left_part) ) ) {
1707                                         # use manually specified thumbnail
1708                                         $thumb=true;
1709                                         $manual_thumb = array_shift ( $val_parts ) ;
1710                                 } elseif ( ! is_null( $mwRight->matchVariableStartToEnd($val) ) ) {
1711                                         # remember to set an alignment, don't render immediately
1712                                         $align = 'right';
1713                                 } elseif ( ! is_null( $mwLeft->matchVariableStartToEnd($val) ) ) {
1714                                         # remember to set an alignment, don't render immediately
1715                                         $align = 'left';
1716                                 } elseif ( ! is_null( $mwCenter->matchVariableStartToEnd($val) ) ) {
1717                                         # remember to set an alignment, don't render immediately
1718                                         $align = 'center';
1719                                 } elseif ( ! is_null( $mwNone->matchVariableStartToEnd($val) ) ) {
1720                                         # remember to set an alignment, don't render immediately
1721                                         $align = 'none';
1722                                 } elseif ( ! is_null( $match = $mwWidth->matchVariableStartToEnd($val) ) ) {
1723                                         # $match is the image width in pixels
1724                                         if ( preg_match( '/^([0-9]*)x([0-9]*)$/', $match, $m ) ) {
1725                                                 $width = intval( $m[1] );
1726                                                 $height = intval( $m[2] );
1727                                         } else {
1728                                                 $width = intval($match);
1729                                         }
1730                                 } elseif ( ! is_null( $mwFramed->matchVariableStartToEnd($val) ) ) {
1731                                         $framed=true;
1732                                 }
1733                         }
1734                         if ( 'center' == $align )
1735                         {
1736                                 $prefix  = '<span style="text-align: center">';
1737                                 $postfix = '</span>';
1738                                 $align   = 'none';
1739                         }
1740
1741                         if ( $thumb || $framed ) {
1742
1743                                 # Create a thumbnail. Alignment depends on language
1744                                 # writing direction, # right aligned for left-to-right-
1745                                 # languages ("Western languages"), left-aligned
1746                                 # for right-to-left-languages ("Semitic languages")
1747                                 #
1748                                 # If  thumbnail width has not been provided, it is set
1749                                 # here to 180 pixels
1750                                 if ( $align == '' ) {
1751                                         $align = $wgContLang->isRTL() ? 'left' : 'right';
1752                                 }
1753                                 if ( ! isset($width) ) {
1754                                         $width = 180;
1755                                 }
1756                                 return $prefix.$this->makeThumbLinkObj( $img, $alt, $align, $width, $height, $framed, $manual_thumb ).$postfix;
1757
1758                         } elseif ( isset($width) ) {
1759
1760                                 # Create a resized image, without the additional thumbnail
1761                                 # features
1762
1763                                 if (    ( ! $height === false )
1764                                      && ( $img->getHeight() * $width / $img->getWidth() > $height ) ) {
1765                                         print "height=$height<br>\nimg->getHeight() = ".$img->getHeight()."<br>\n";
1766                                         print 'rescaling by factor '. $height / $img->getHeight() . "<br>\n";
1767                                         $width = $img->getWidth() * $height / $img->getHeight();
1768                                 }
1769                                 if ( '' == $manual_thumb ) $url = $img->createThumb( $width );
1770                         }
1771                 } # endif $wgUseImageResize
1772
1773                 if ( empty( $alt ) ) {
1774                         $alt = preg_replace( '/\.(.+?)^/', '', $img->getName() );
1775                 }
1776                 $alt = htmlspecialchars( $alt );
1777
1778                 $u = $nt->escapeLocalURL();
1779                 if ( $url == '' )
1780                 {
1781                         $s = wfMsg( 'missingimage', $img->getName() );
1782                         $s .= "<br>{$alt}<br>{$url}<br>\n";
1783                 } else {
1784                         $s = '<a href="'.$u.'" class="image" title="'.$alt.'">' .
1785                                  '<img src="'.$url.'" alt="'.$alt.'" /></a>';
1786                 }
1787                 if ( '' != $align ) {
1788                         $s = "<div class=\"float{$align}\"><span>{$s}</span></div>";
1789                 }
1790                 return str_replace("\n", ' ',$prefix.$s.$postfix);
1791         }
1792
1793         /**
1794          * Make HTML for a thumbnail including image, border and caption
1795          * $img is an Image object
1796          */
1797         function makeThumbLinkObj( $img, $label = '', $align = 'right', $boxwidth = 180, $boxheight=false, $framed=false , $manual_thumb = "" ) {
1798                 global $wgStylePath, $wgContLang;
1799                 # $image = Title::makeTitleSafe( NS_IMAGE, $name );
1800                 $url  = $img->getURL();
1801
1802                 #$label = htmlspecialchars( $label );
1803                 $alt = preg_replace( '/<[^>]*>/', '', $label);
1804                 $alt = htmlspecialchars( $alt );
1805
1806                 $width = $height = 0;
1807                 if ( $img->exists() )
1808                 {
1809                         $width  = $img->getWidth();
1810                         $height = $img->getHeight();
1811                 }
1812                 if ( 0 == $width || 0 == $height )
1813                 {
1814                         $width = $height = 200;
1815                 }
1816                 if ( $boxwidth == 0 )
1817                 {
1818                         $boxwidth = 200;
1819                 }
1820                 if ( $framed )
1821                 {
1822                         // Use image dimensions, don't scale
1823                         $boxwidth  = $width;
1824                         $oboxwidth = $boxwidth + 2;
1825                         $boxheight = $height;
1826                         $thumbUrl  = $url;
1827                 } else {
1828                         $h  = intval( $height/($width/$boxwidth) );
1829                         $oboxwidth = $boxwidth + 2;
1830                         if ( ( ! $boxheight === false ) &&  ( $h > $boxheight ) )
1831                         {
1832                                 $boxwidth *= $boxheight/$h;
1833                         } else {
1834                                 $boxheight = $h;
1835                         }
1836                         if ( '' == $manual_thumb ) $thumbUrl = $img->createThumb( $boxwidth );
1837                 }
1838
1839                 if ( $manual_thumb != '' ) # Use manually specified thumbnail
1840                 {
1841                         $manual_title = Title::makeTitleSafe( NS_IMAGE, $manual_thumb ); #new Title ( $manual_thumb ) ;
1842                         $manual_img = Image::newFromTitle( $manual_title );
1843                         $thumbUrl = $manual_img->getURL();
1844                         if ( $manual_img->exists() )
1845                         {
1846                                 $width  = $manual_img->getWidth();
1847                                 $height = $manual_img->getHeight();
1848                                 $boxwidth = $width ;
1849                                 $boxheight = $height ;
1850                                 $oboxwidth = $boxwidth + 2 ;
1851                         }
1852                 }
1853
1854                 $u = $img->getEscapeLocalURL();
1855
1856                 $more = htmlspecialchars( wfMsg( 'thumbnail-more' ) );
1857                 $magnifyalign = $wgContLang->isRTL() ? 'left' : 'right';
1858                 $textalign = $wgContLang->isRTL() ? ' style="text-align:right"' : '';
1859
1860                 $s = "<div class=\"thumb t{$align}\"><div style=\"width:{$oboxwidth}px;\">";
1861                 if ( $thumbUrl == '' ) {
1862                         $s .= wfMsg( 'missingimage', $img->getName() );
1863                         $zoomicon = '';
1864                 } else {
1865                         $s .= '<a href="'.$u.'" class="internal" title="'.$alt.'">'.
1866                                 '<img src="'.$thumbUrl.'" alt="'.$alt.'" ' .
1867                                 'width="'.$boxwidth.'" height="'.$boxheight.'" /></a>';
1868                         if ( $framed ) {
1869                                 $zoomicon="";
1870                         } else {
1871                                 $zoomicon =  '<div class="magnify" style="float:'.$magnifyalign.'">'.
1872                                         '<a href="'.$u.'" class="internal" title="'.$more.'">'.
1873                                         '<img src="'.$wgStylePath.'/common/images/magnify-clip.png" ' .
1874                                         'width="15" height="11" alt="'.$more.'" /></a></div>';
1875                         }
1876                 }
1877                 $s .= '  <div class="thumbcaption" '.$textalign.'>'.$zoomicon.$label."</div></div></div>";
1878                 return str_replace("\n", ' ', $s);
1879         }
1880
1881         function makeMediaLink( $name, $url, $alt = '' ) {
1882                 $nt = Title::makeTitleSafe( Namespace::getMedia(), $name );
1883                 return $this->makeMediaLinkObj( $nt, $alt );
1884         }
1885
1886         function makeMediaLinkObj( $nt, $alt = '' ) {
1887                 if ( ! isset( $nt ) )
1888                 {
1889                         ### HOTFIX. Instead of breaking, return empty string.
1890                         $s = $alt;
1891                 } else {
1892                         $name = $nt->getDBKey();
1893                         $url = Image::wfImageUrl( $name );
1894                         if ( empty( $alt ) ) {
1895                                 $alt = preg_replace( '/\.(.+?)^/', '', $name );
1896                         }
1897
1898                         $u = htmlspecialchars( $url );
1899                         $s = "<a href=\"{$u}\" class='internal' title=\"{$alt}\">{$alt}</a>";
1900                 }
1901                 return $s;
1902         }
1903
1904         function specialLink( $name, $key = '' ) {
1905                 global $wgContLang;
1906
1907                 if ( '' == $key ) { $key = strtolower( $name ); }
1908                 $pn = $wgContLang->ucfirst( $name );
1909                 return $this->makeKnownLink( $wgContLang->specialPage( $pn ),
1910                   wfMsg( $key ) );
1911         }
1912
1913         function makeExternalLink( $url, $text, $escape = true ) {
1914                 $style = $this->getExternalLinkAttributes( $url, $text );
1915                 $url = htmlspecialchars( $url );
1916                 if( $escape ) {
1917                         $text = htmlspecialchars( $text );
1918                 }
1919                 return '<a href="'.$url.'"'.$style.'>'.$text.'</a>';
1920         }
1921
1922         # Called by history lists and recent changes
1923         #
1924
1925         # Returns text for the start of the tabular part of RC
1926         function beginRecentChangesList() {
1927                 $this->rc_cache = array() ;
1928                 $this->rcMoveIndex = 0;
1929                 $this->rcCacheIndex = 0 ;
1930                 $this->lastdate = '';
1931                 $this->rclistOpen = false;
1932                 return '';
1933         }
1934
1935         function beginImageHistoryList() {
1936                 $s = "\n<h2>" . wfMsg( 'imghistory' ) . "</h2>\n" .
1937                   "<p>" . wfMsg( 'imghistlegend' ) . "</p>\n".'<ul class="special">';
1938                 return $s;
1939         }
1940
1941         /**
1942          * Returns text for the end of RC
1943          * If enhanced RC is in use, returns pretty much all the text
1944          */
1945         function endRecentChangesList() {
1946                 $s = $this->recentChangesBlock() ;
1947                 if( $this->rclistOpen ) {
1948                         $s .= "</ul>\n";
1949                 }
1950                 return $s;
1951         }
1952
1953         /**
1954          * Enhanced RC ungrouped line
1955          */
1956         function recentChangesBlockLine ( $rcObj ) {
1957                 global $wgStylePath, $wgContLang ;
1958
1959                 # Get rc_xxxx variables
1960                 extract( $rcObj->mAttribs ) ;
1961                 $curIdEq = 'curid='.$rc_cur_id;
1962
1963                 # Spacer image
1964                 $r = '' ;
1965
1966                 $r .= '<img src="'.$wgStylePath.'/common/images/Arr_.png" width="12" height="12" border="0" />' ;
1967                 $r .= '<tt>' ;
1968
1969                 if ( $rc_type == RC_MOVE || $rc_type == RC_MOVE_OVER_REDIRECT ) {
1970                         $r .= '&nbsp;&nbsp;';
1971                 } else {
1972                         # M & N (minor & new)
1973                         $M = wfMsg( 'minoreditletter' );
1974                         $N = wfMsg( 'newpageletter' );
1975
1976                         if ( $rc_type == RC_NEW ) {
1977                                 $r .= $N ;
1978                         } else {
1979                                 $r .= '&nbsp;' ;
1980                         }
1981                         if ( $rc_minor ) {
1982                                 $r .= $M ;
1983                         } else {
1984                                 $r .= '&nbsp;' ;
1985                         }
1986                 }
1987
1988                 # Timestamp
1989                 $r .= ' '.$rcObj->timestamp.' ' ;
1990                 $r .= '</tt>' ;
1991
1992                 # Article link
1993                 $link = $rcObj->link ;
1994                 if ( $rcObj->watched ) $link = '<strong>'.$link.'</strong>' ;
1995                 $r .= $link ;
1996
1997                 # Diff
1998                 $r .= ' (' ;
1999                 $r .= $rcObj->difflink ;
2000                 $r .= '; ' ;
2001
2002                 # Hist
2003                 $r .= $this->makeKnownLinkObj( $rcObj->getTitle(), wfMsg( 'hist' ), $curIdEq.'&action=history' );
2004
2005                 # User/talk
2006                 $r .= ') . . '.$rcObj->userlink ;
2007                 $r .= $rcObj->usertalklink ;
2008
2009                 # Comment
2010                  if ( $rc_comment != '' && $rc_type != RC_MOVE && $rc_type != RC_MOVE_OVER_REDIRECT ) {
2011                         $rc_comment=$this->formatComment($rc_comment, $rcObj->getTitle());
2012                         $r .= $wgContLang->emphasize( ' ('.$rc_comment.')' );
2013                 }
2014
2015                 $r .= "<br />\n" ;
2016                 return $r ;
2017         }
2018
2019         /**
2020          * Enhanced RC group
2021          */
2022         function recentChangesBlockGroup ( $block ) {
2023                 global $wgStylePath, $wgContLang ;
2024
2025                 $r = '' ;
2026                 $M = wfMsg( 'minoreditletter' );
2027                 $N = wfMsg( 'newpageletter' );
2028
2029                 # Collate list of users
2030                 $isnew = false ;
2031                 $userlinks = array () ;
2032                 foreach ( $block AS $rcObj ) {
2033                         $oldid = $rcObj->mAttribs['rc_last_oldid'];
2034                         if ( $rcObj->mAttribs['rc_new'] ) $isnew = true ;
2035                         $u = $rcObj->userlink ;
2036                         if ( !isset ( $userlinks[$u] ) ) $userlinks[$u] = 0 ;
2037                         $userlinks[$u]++ ;
2038                 }
2039
2040                 # Sort the list and convert to text
2041                 krsort ( $userlinks ) ;
2042                 asort ( $userlinks ) ;
2043                 $users = array () ;
2044                 foreach ( $userlinks as $userlink => $count) {
2045                         $text = $userlink ;
2046                         if ( $count > 1 ) $text .= " ({$count}&times;)" ;
2047                         array_push ( $users , $text ) ;
2048                 }
2049                 $users = ' <font size="-1">['.implode('; ',$users).']</font>' ;
2050
2051                 # Arrow
2052                 $rci = 'RCI'.$this->rcCacheIndex ;
2053                 $rcl = 'RCL'.$this->rcCacheIndex ;
2054                 $rcm = 'RCM'.$this->rcCacheIndex ;
2055                 $toggleLink = "javascript:toggleVisibility('$rci','$rcm','$rcl')" ;
2056                 $arrowdir = $wgContLang->isRTL() ? 'l' : 'r';
2057                 $tl  = '<span id="'.$rcm.'"><a href="'.$toggleLink.'"><img src="'.$wgStylePath.'/common/images/Arr_'.$arrowdir.'.png" width="12" height="12" /></a></span>' ;
2058                 $tl .= '<span id="'.$rcl.'" style="display:none"><a href="'.$toggleLink.'"><img src="'.$wgStylePath.'/common/images/Arr_d.png" width="12" height="12" /></a></span>' ;
2059                 $r .= $tl ;
2060
2061                 # Main line
2062                 # M/N
2063                 $r .= '<tt>' ;
2064                 if ( $isnew ) $r .= $N ;
2065                 else $r .= '&nbsp;' ;
2066                 $r .= '&nbsp;' ; # Minor
2067
2068                 # Timestamp
2069                 $r .= ' '.$block[0]->timestamp.' ' ;
2070                 $r .= '</tt>' ;
2071
2072                 # Article link
2073                 $link = $block[0]->link ;
2074                 if ( $block[0]->watched ) $link = '<strong>'.$link.'</strong>' ;
2075                 $r .= $link ;
2076
2077                 $curIdEq = 'curid=' . $block[0]->mAttribs['rc_cur_id'];
2078                 if ( $block[0]->mAttribs['rc_type'] != RC_LOG ) {
2079                         # Changes
2080                         $r .= ' ('.count($block).' ' ;
2081                         if ( $isnew ) $r .= wfMsg('changes');
2082                         else $r .= $this->makeKnownLinkObj( $block[0]->getTitle() , wfMsg('changes') ,
2083                                 $curIdEq.'&diff=0&oldid='.$oldid ) ;
2084                         $r .= '; ' ;
2085
2086                         # History
2087                         $r .= $this->makeKnownLinkObj( $block[0]->getTitle(), wfMsg( 'history' ), $curIdEq.'&action=history' );
2088                         $r .= ')' ;
2089                 }
2090
2091                 $r .= $users ;
2092                 $r .= "<br />\n" ;
2093
2094                 # Sub-entries
2095                 $r .= '<div id="'.$rci.'" style="display:none">' ;
2096                 foreach ( $block AS $rcObj ) {
2097                         # Get rc_xxxx variables
2098                         extract( $rcObj->mAttribs );
2099
2100                         $r .= '<img src="'.$wgStylePath.'/common/images/Arr_.png" width="12" height="12" />';
2101                         $r .= '<tt>&nbsp; &nbsp; &nbsp; &nbsp;' ;
2102                         if ( $rc_new ) $r .= $N ;
2103                         else $r .= '&nbsp;' ;
2104                         if ( $rc_minor ) $r .= $M ;
2105                         else $r .= '&nbsp;' ;
2106                         $r .= '</tt>' ;
2107
2108                         $o = '' ;
2109                         if ( $rc_last_oldid != 0 ) {
2110                                 $o = 'oldid='.$rc_last_oldid ;
2111                         }
2112                         if ( $rc_type == RC_LOG ) {
2113                                 $link = $rcObj->timestamp ;
2114                         } else {
2115                                 $link = $this->makeKnownLinkObj( $rcObj->getTitle(), $rcObj->timestamp , "{$curIdEq}&$o" ) ;
2116                         }
2117                         $link = '<tt>'.$link.'</tt>' ;
2118
2119                         $r .= $link ;
2120                         $r .= ' (' ;
2121                         $r .= $rcObj->curlink ;
2122                         $r .= '; ' ;
2123                         $r .= $rcObj->lastlink ;
2124                         $r .= ') . . '.$rcObj->userlink ;
2125                         $r .= $rcObj->usertalklink ;
2126                         if ( $rc_comment != '' ) {
2127                                 $rc_comment=$this->formatComment($rc_comment, $rcObj->getTitle());
2128                                 $r .= $wgContLang->emphasize( ' ('.$rc_comment.')' ) ;
2129                         }
2130                         $r .= "<br />\n" ;
2131                 }
2132                 $r .= "</div>\n" ;
2133
2134                 $this->rcCacheIndex++ ;
2135                 return $r ;
2136         }
2137
2138         /**
2139          * If enhanced RC is in use, this function takes the previously cached
2140          * RC lines, arranges them, and outputs the HTML
2141          */
2142         function recentChangesBlock () {
2143                 global $wgStylePath ;
2144                 if ( count ( $this->rc_cache ) == 0 ) return '' ;
2145                 $blockOut = '';
2146                 foreach ( $this->rc_cache AS $secureName => $block ) {
2147                         if ( count ( $block ) < 2 ) {
2148                                 $blockOut .= $this->recentChangesBlockLine ( array_shift ( $block ) ) ;
2149                         } else {
2150                                 $blockOut .= $this->recentChangesBlockGroup ( $block ) ;
2151                         }
2152                 }
2153
2154                 return '<div>'.$blockOut.'</div>' ;
2155         }
2156
2157         /**
2158          * Called in a loop over all displayed RC entries
2159          * Either returns the line, or caches it for later use
2160          */
2161         function recentChangesLine( &$rc, $watched = false ) {
2162                 global $wgUser ;
2163                 $usenew = $wgUser->getOption( 'usenewrc' );
2164                 if ( $usenew )
2165                         $line = $this->recentChangesLineNew ( $rc, $watched ) ;
2166                 else
2167                         $line = $this->recentChangesLineOld ( $rc, $watched ) ;
2168                 return $line ;
2169         }
2170
2171         function recentChangesLineOld( &$rc, $watched = false ) {
2172                 global $wgTitle, $wgLang, $wgContLang, $wgUser, $wgRCSeconds, $wgUseRCPatrol, $wgOnlySysopsCanPatrol;
2173
2174                 # Extract DB fields into local scope
2175                 extract( $rc->mAttribs );
2176                 $curIdEq = 'curid=' . $rc_cur_id;
2177
2178                 # Make date header if necessary
2179                 $date = $wgContLang->date( $rc_timestamp, true);
2180                 $uidate = $wgLang->date( $rc_timestamp, true);
2181                 $s = '';
2182                 if ( $date != $this->lastdate ) {
2183                         if ( '' != $this->lastdate ) { $s .= "</ul>\n"; }
2184                         $s .= "<h4>{$uidate}</h4>\n<ul class='special'>";
2185                         $this->lastdate = $date;
2186                         $this->rclistOpen = true;
2187                 }
2188
2189                 # If this edit has not yet been patrolled, make it stick out
2190                 $s .= ( ! $wgUseRCPatrol || $rc_patrolled ) ? '<li> ' : '<li class="not_patrolled"> ';
2191
2192                 if ( $rc_type == RC_MOVE || $rc_type == RC_MOVE_OVER_REDIRECT ) {
2193                         # Diff
2194                         $s .= '(' . wfMsg( 'diff' ) . ') (';
2195                         # Hist
2196                         $s .= $this->makeKnownLinkObj( $rc->getMovedToTitle(), wfMsg( 'hist' ), 'action=history' ) .
2197                                 ') . . ';
2198
2199                         # "[[x]] moved to [[y]]"
2200                         $msg = ( $rc_type == RC_MOVE ) ? '1movedto2' : '1movedto2_redir';
2201                         $s .= wfMsg( $msg, $this->makeKnownLinkObj( $rc->getTitle(), '', 'redirect=no' ),
2202                                 $this->makeKnownLinkObj( $rc->getMovedToTitle(), '' ) );
2203                 } elseif( $rc_namespace == NS_SPECIAL && preg_match( '!^Log/(.*)$!', $rc_title, $matches ) ) {
2204                         # Log updates, etc
2205                         $logtype = $matches[1];
2206                         $logname = LogPage::logName( $logtype );
2207                         $s .= '(' . $this->makeKnownLinkObj( $rc->getTitle(), $logname ) . ')';
2208                 } else {
2209                         # Diff link
2210                         if ( $rc_type == RC_NEW || $rc_type == RC_LOG ) {
2211                                 $diffLink = wfMsg( 'diff' );
2212                         } else {
2213                                 if ( $wgUseRCPatrol && $rc_patrolled == 0 && $wgUser->getID() != 0 &&
2214                                      ( $wgUser->isSysop() || !$wgOnlySysopsCanPatrol ) )
2215                                         $rcidparam = "&rcid={$rc_id}";
2216                                 else
2217                                         $rcidparam = "";
2218                                 $diffLink = $this->makeKnownLinkObj( $rc->getTitle(), wfMsg( 'diff' ),
2219                                   "{$curIdEq}&diff={$rc_this_oldid}&oldid={$rc_last_oldid}{$rcidparam}",
2220                                   '', '', ' tabindex="'.$rc->counter.'"');
2221                         }
2222                         $s .= '('.$diffLink.') (';
2223
2224                         # History link
2225                         $s .= $this->makeKnownLinkObj( $rc->getTitle(), wfMsg( 'hist' ), $curIdEq.'&action=history' );
2226                         $s .= ') . . ';
2227
2228                         # M and N (minor and new)
2229                         if ( $rc_minor ) { $s .= ' <span class="minor">'.wfMsg( "minoreditletter" ).'</span>'; }
2230                         if ( $rc_type == RC_NEW ) { $s .= '<span class="newpage">'.wfMsg( "newpageletter" ).'</span>'; }
2231
2232                         # Article link
2233                         # If it's a new article, there is no diff link, but if it hasn't been
2234                         # patrolled yet, we need to give users a way to do so
2235                         if ( $wgUseRCPatrol && $rc_type == RC_NEW && $rc_patrolled == 0 &&
2236                              $wgUser->getID() != 0 && ( $wgUser->isSysop() || !$wgOnlySysopsCanPatrol ) )
2237                                 $articleLink = $this->makeKnownLinkObj( $rc->getTitle(), '', "rcid={$rc_id}" );
2238                         else
2239                                 $articleLink = $this->makeKnownLinkObj( $rc->getTitle(), '' );
2240
2241                         if ( $watched ) {
2242                                 $articleLink = '<strong>'.$articleLink.'</strong>';
2243                         }
2244                         $s .= ' '.$articleLink;
2245
2246                 }
2247
2248                 # Timestamp
2249                 $s .= '; ' . $wgLang->time( $rc_timestamp, true, $wgRCSeconds ) . ' . . ';
2250
2251                 # User link (or contributions for unregistered users)
2252                 if ( 0 == $rc_user ) {
2253                         $userLink = $this->makeKnownLink( $wgContLang->specialPage( 'Contributions' ),
2254                         $rc_user_text, 'target=' . $rc_user_text );
2255                 } else {
2256                         $userLink = $this->makeLink( $wgContLang->getNsText( NS_USER ) . ':'.$rc_user_text, $rc_user_text );
2257                 }
2258                 $s .= $userLink;
2259
2260                 # User talk link
2261                 $talkname=$wgContLang->getNsText(NS_TALK); # use the shorter name
2262                 global $wgDisableAnonTalk;
2263                 if( 0 == $rc_user && $wgDisableAnonTalk ) {
2264                         $userTalkLink = '';
2265                 } else {
2266                         $utns=$wgContLang->getNsText(NS_USER_TALK);
2267                         $userTalkLink= $this->makeLink($utns . ':'.$rc_user_text, $talkname );
2268                 }
2269                 # Block link
2270                 $blockLink='';
2271                 if ( ( 0 == $rc_user ) && $wgUser->isSysop() ) {
2272                         $blockLink = $this->makeKnownLink( $wgContLang->specialPage(
2273                           'Blockip' ), wfMsg( 'blocklink' ), 'ip='.$rc_user_text );
2274
2275                 }
2276                 if($blockLink) {
2277                         if($userTalkLink) $userTalkLink .= ' | ';
2278                         $userTalkLink .= $blockLink;
2279                 }
2280                 if($userTalkLink) $s.=' ('.$userTalkLink.')';
2281
2282                 # Add comment
2283                 if ( '' != $rc_comment && '*' != $rc_comment && $rc_type != RC_MOVE && $rc_type != RC_MOVE_OVER_REDIRECT ) {
2284                         $rc_comment=$this->formatComment($rc_comment,$rc->getTitle());
2285                         $s .= $wgContLang->emphasize(' (' . $rc_comment . ')');
2286                 }
2287                 $s .= "</li>\n";
2288
2289                 return $s;
2290         }
2291
2292         function recentChangesLineNew( &$baseRC, $watched = false ) {
2293                 global $wgTitle, $wgLang, $wgContLang, $wgUser, $wgRCSeconds;
2294
2295                 # Create a specialised object
2296                 $rc = RCCacheEntry::newFromParent( $baseRC ) ;
2297
2298                 # Extract fields from DB into the function scope (rc_xxxx variables)
2299                 extract( $rc->mAttribs );
2300                 $curIdEq = 'curid=' . $rc_cur_id;
2301
2302                 # If it's a new day, add the headline and flush the cache
2303                 $date = $wgContLang->date( $rc_timestamp, true);
2304                 $uidate = $wgLang->date( $rc_timestamp, true);
2305                 $ret = '';
2306                 if ( $date != $this->lastdate ) {
2307                         # Process current cache
2308                         $ret = $this->recentChangesBlock () ;
2309                         $this->rc_cache = array() ;
2310                         $ret .= "<h4>{$uidate}</h4>\n";
2311                         $this->lastdate = $date;
2312                 }
2313
2314                 # Make article link
2315                 if ( $rc_type == RC_MOVE || $rc_type == RC_MOVE_OVER_REDIRECT ) {
2316                         $msg = ( $rc_type == RC_MOVE ) ? "1movedto2" : "1movedto2_redir";
2317                         $clink = wfMsg( $msg, $this->makeKnownLinkObj( $rc->getTitle(), '', 'redirect=no' ),
2318                           $this->makeKnownLinkObj( $rc->getMovedToTitle(), '' ) );
2319                 } elseif( $rc_namespace == NS_SPECIAL && preg_match( '!^Log/(.*)$!', $rc_title, $matches ) ) {
2320                         # Log updates, etc
2321                         $logtype = $matches[1];
2322                         $logname = LogPage::logName( $logtype );
2323                         $clink = '(' . $this->makeKnownLinkObj( $rc->getTitle(), $logname ) . ')';
2324                 } else {
2325                         $clink = $this->makeKnownLinkObj( $rc->getTitle(), '' ) ;
2326                 }
2327
2328                 $time = $wgContLang->time( $rc_timestamp, true, $wgRCSeconds );
2329                 $rc->watched = $watched ;
2330                 $rc->link = $clink ;
2331                 $rc->timestamp = $time;
2332
2333                 # Make "cur" and "diff" links
2334                 if ( ( $rc_type == RC_NEW && $rc_this_oldid == 0 ) || $rc_type == RC_LOG || $rc_type == RC_MOVE || $rc_type == RC_MOVE_OVER_REDIRECT ) {
2335                         $curLink = wfMsg( 'cur' );
2336                         $diffLink = wfMsg( 'diff' );
2337                 } else {
2338                         $query = $curIdEq.'&diff=0&oldid='.$rc_this_oldid;
2339                         $aprops = ' tabindex="'.$baseRC->counter.'"';
2340                         $curLink = $this->makeKnownLinkObj( $rc->getTitle(), wfMsg( 'cur' ), $query, '' ,'' , $aprops );
2341                         $diffLink = $this->makeKnownLinkObj( $rc->getTitle(), wfMsg( 'diff'), $query, '' ,'' , $aprops );
2342                 }
2343
2344                 # Make "last" link
2345                 $titleObj = $rc->getTitle();
2346                 if ( $rc_last_oldid == 0 || $rc_type == RC_LOG || $rc_type == RC_MOVE || $rc_type == RC_MOVE_OVER_REDIRECT ) {
2347                         $lastLink = wfMsg( 'last' );
2348                 } else {
2349                         $lastLink = $this->makeKnownLinkObj( $rc->getTitle(), wfMsg( 'last' ),
2350                           $curIdEq.'&diff='.$rc_this_oldid.'&oldid='.$rc_last_oldid );
2351                 }
2352
2353                 # Make user link (or user contributions for unregistered users)
2354                 if ( $rc_user == 0 ) {
2355                         $userLink = $this->makeKnownLink( $wgContLang->specialPage( 'Contributions' ),
2356                         $rc_user_text, 'target=' . $rc_user_text );
2357                 } else {
2358                         $userLink = $this->makeLink( $wgContLang->getNsText(
2359                           Namespace::getUser() ) . ':'.$rc_user_text, $rc_user_text );
2360                 }
2361
2362                 $rc->userlink = $userLink;
2363                 $rc->lastlink = $lastLink;
2364                 $rc->curlink  = $curLink;
2365                 $rc->difflink = $diffLink;
2366
2367                 # Make user talk link
2368                 $utns=$wgContLang->getNsText(NS_USER_TALK);
2369                 $talkname=$wgContLang->getNsText(NS_TALK); # use the shorter name
2370                 $userTalkLink= $this->makeLink($utns . ':'.$rc_user_text, $talkname );
2371
2372                 global $wgDisableAnonTalk;
2373                 if ( ( 0 == $rc_user ) && $wgUser->isSysop() ) {
2374                         $blockLink = $this->makeKnownLink( $wgContLang->specialPage(
2375                           'Blockip' ), wfMsg( 'blocklink' ), 'ip='.$rc_user_text );
2376                         if( $wgDisableAnonTalk )
2377                                 $rc->usertalklink = ' ('.$blockLink.')';
2378                         else
2379                                 $rc->usertalklink = ' ('.$userTalkLink.' | '.$blockLink.')';
2380                 } else {
2381                         if( $wgDisableAnonTalk && ($rc_user == 0) )
2382                                 $rc->usertalklink = '';
2383                         else
2384                                 $rc->usertalklink = ' ('.$userTalkLink.')';
2385                 }
2386
2387                 # Put accumulated information into the cache, for later display
2388                 # Page moves go on their own line
2389                 $title = $rc->getTitle();
2390                 $secureName = $title->getPrefixedDBkey();
2391                 if ( $rc_type == RC_MOVE || $rc_type == RC_MOVE_OVER_REDIRECT ) {
2392                         # Use an @ character to prevent collision with page names
2393                         $this->rc_cache['@@' . ($this->rcMoveIndex++)] = array($rc);
2394                 } else {
2395                         if ( !isset ( $this->rc_cache[$secureName] ) ) $this->rc_cache[$secureName] = array() ;
2396                         array_push ( $this->rc_cache[$secureName] , $rc ) ;
2397                 }
2398                 return $ret;
2399         }
2400
2401         function endImageHistoryList() {
2402                 $s = "</ul>\n";
2403                 return $s;
2404         }
2405
2406         /**
2407          * This function is called by all recent changes variants, by the page history,
2408          * and by the user contributions list. It is responsible for formatting edit
2409          * comments. It escapes any HTML in the comment, but adds some CSS to format
2410          * auto-generated comments (from section editing) and formats [[wikilinks]].
2411          *
2412          * The &$title parameter must be a title OBJECT. It is used to generate a
2413          * direct link to the section in the autocomment.
2414          * @author Erik Moeller <moeller@scireview.de>
2415          *
2416          * Note: there's not always a title to pass to this function.
2417          * Since you can't set a default parameter for a reference, I've turned it
2418          * temporarily to a value pass. Should be adjusted further. --brion
2419          */
2420         function formatComment($comment, $title = NULL) {
2421                 global $wgContLang;
2422                 $comment = htmlspecialchars( $comment );
2423
2424                 # The pattern for autogen comments is / * foo * /, which makes for
2425                 # some nasty regex.
2426                 # We look for all comments, match any text before and after the comment,
2427                 # add a separator where needed and format the comment itself with CSS
2428                 while (preg_match('/(.*)\/\*\s*(.*?)\s*\*\/(.*)/', $comment,$match)) {
2429                         $pre=$match[1];
2430                         $auto=$match[2];
2431                         $post=$match[3];
2432                         $link='';
2433                         if($title) {
2434                                 $section=$auto;
2435
2436                                 # This is hackish but should work in most cases.
2437                                 $section=str_replace('[[','',$section);
2438                                 $section=str_replace(']]','',$section);
2439                                 $title->mFragment=$section;
2440                                 $link=$this->makeKnownLinkObj($title,wfMsg('sectionlink'));
2441                         }
2442                         $sep='-';
2443                         $auto=$link.$auto;
2444                         if($pre) { $auto = $sep.' '.$auto; }
2445                         if($post) { $auto .= ' '.$sep; }
2446                         $auto='<span class="autocomment">'.$auto.'</span>';
2447                         $comment=$pre.$auto.$post;
2448                 }
2449
2450                 # format regular and media links - all other wiki formatting
2451                 # is ignored
2452                 $medians = $wgContLang->getNsText(Namespace::getMedia()).':';
2453                 while(preg_match('/\[\[(.*?)(\|(.*?))*\]\](.*)$/',$comment,$match)) {
2454                         # Handle link renaming [[foo|text]] will show link as "text"
2455                         if( "" != $match[3] ) {
2456                                 $text = $match[3];
2457                         } else {
2458                                 $text = $match[1];
2459                         }
2460                         if( preg_match( '/^' . $medians . '(.*)$/i', $match[1], $submatch ) ) {
2461                                 # Media link; trail not supported.
2462                                 $linkRegexp = '/\[\[(.*?)\]\]/';
2463                                 $thelink = $this->makeMediaLink( $submatch[1], "", $text );
2464                         } else {
2465                                 # Other kind of link
2466                                 if( preg_match( wfMsgForContent( "linktrail" ), $match[4], $submatch ) ) {
2467                                         $trail = $submatch[1];
2468                                 } else {
2469                                         $trail = "";
2470                                 }
2471                                 $linkRegexp = '/\[\[(.*?)\]\]' . preg_quote( $trail, '/' ) . '/';
2472                                 if ($match[1][0] == ':')
2473                                         $match[1] = substr($match[1], 1);
2474                                 $thelink = $this->makeLink( $match[1], $text, "", $trail );
2475                         }
2476                         $comment = preg_replace( $linkRegexp, $thelink, $comment, 1 );
2477                 }
2478                 return $comment;
2479         }
2480
2481         function imageHistoryLine( $iscur, $timestamp, $img, $user, $usertext, $size, $description ) {
2482                 global $wgUser, $wgLang, $wgContLang, $wgTitle;
2483
2484                 $datetime = $wgLang->timeanddate( $timestamp, true );
2485                 $del = wfMsg( 'deleteimg' );
2486                 $delall = wfMsg( 'deleteimgcompletely' );
2487                 $cur = wfMsg( 'cur' );
2488
2489                 if ( $iscur ) {
2490                         $url = Image::wfImageUrl( $img );
2491                         $rlink = $cur;
2492                         if ( $wgUser->isSysop() ) {
2493                                 $link = $wgTitle->escapeLocalURL( 'image=' . $wgTitle->getPartialURL() .
2494                                   '&action=delete' );
2495                                 $style = $this->getInternalLinkAttributes( $link, $delall );
2496
2497                                 $dlink = '<a href="'.$link.'"'.$style.'>'.$delall.'</a>';
2498                         } else {
2499                                 $dlink = $del;
2500                         }
2501                 } else {
2502                         $url = htmlspecialchars( wfImageArchiveUrl( $img ) );
2503                         if( $wgUser->getID() != 0 && $wgTitle->userCanEdit() ) {
2504                                 $rlink = $this->makeKnownLink( $wgTitle->getPrefixedText(),
2505                                            wfMsg( 'revertimg' ), 'action=revert&oldimage=' .
2506                                            urlencode( $img ) );
2507                                 $dlink = $this->makeKnownLink( $wgTitle->getPrefixedText(),
2508                                            $del, 'action=delete&oldimage=' . urlencode( $img ) );
2509                         } else {
2510                                 # Having live active links for non-logged in users
2511                                 # means that bots and spiders crawling our site can
2512                                 # inadvertently change content. Baaaad idea.
2513                                 $rlink = wfMsg( 'revertimg' );
2514                                 $dlink = $del;
2515                         }
2516                 }
2517                 if ( 0 == $user ) {
2518                         $userlink = $usertext;
2519                 } else {
2520                         $userlink = $this->makeLink( $wgContLang->getNsText( Namespace::getUser() ) .
2521                                        ':'.$usertext, $usertext );
2522                 }
2523                 $nbytes = wfMsg( 'nbytes', $size );
2524                 $style = $this->getInternalLinkAttributes( $url, $datetime );
2525
2526                 $s = "<li> ({$dlink}) ({$rlink}) <a href=\"{$url}\"{$style}>{$datetime}</a>"
2527                   . " . . {$userlink} ({$nbytes})";
2528
2529                 if ( '' != $description && '*' != $description ) {
2530                         $sk=$wgUser->getSkin();
2531                         $s .= $wgContLang->emphasize(' (' . $sk->formatComment($description,$wgTitle) . ')');
2532                 }
2533                 $s .= "</li>\n";
2534                 return $s;
2535         }
2536
2537         function tocIndent($level) {
2538                 return str_repeat( '<div class="tocindent">'."\n", $level>0 ? $level : 0 );
2539         }
2540
2541         function tocUnindent($level) {
2542                 return str_repeat( "</div>\n", $level>0 ? $level : 0 );
2543         }
2544
2545         /**
2546          * parameter level defines if we are on an indentation level
2547          */
2548         function tocLine( $anchor, $tocline, $level ) {
2549                 $link = '<a href="#'.$anchor.'">'.$tocline.'</a><br />';
2550                 if($level) {
2551                         return $link."\n";
2552                 } else {
2553                         return '<div class="tocline">'.$link."</div>\n";
2554                 }
2555
2556         }
2557
2558         function tocTable($toc) {
2559                 # note to CSS fanatics: putting this in a div does not work -- div won't auto-expand
2560                 # try min-width & co when somebody gets a chance
2561                 $hideline = ' <script type="text/javascript">showTocToggle("' . addslashes( wfMsg('showtoc') ) . '","' . addslashes( wfMsg('hidetoc') ) . '")</script>';
2562                 return
2563                 '<table border="0" id="toc"><tr id="toctitle"><td align="center">'."\n".
2564                 '<b>'.wfMsg('toc').'</b>' .
2565                 $hideline .
2566                 '</td></tr><tr id="tocinside"><td>'."\n".
2567                 $toc."</td></tr></table>\n";
2568         }
2569
2570         /**
2571          * These two do not check for permissions: check $wgTitle->userCanEdit
2572          * before calling them
2573          */
2574         function editSectionScriptForOther( $title, $section, $head ) {
2575                 $ttl = Title::newFromText( $title );
2576                 $url = $ttl->escapeLocalURL( 'action=edit&section='.$section );
2577                 return '<span oncontextmenu=\'document.location="'.$url.'";return false;\'>'.$head.'</span>';
2578         }
2579
2580         function editSectionScript( $section, $head ) {
2581                 global $wgTitle, $wgRequest;
2582                 if( $wgRequest->getInt( 'oldid' ) && ( $wgRequest->getVal( 'diff' ) != '0' ) ) {
2583                         return $head;
2584                 }
2585                 $url = $wgTitle->escapeLocalURL( 'action=edit&section='.$section );
2586                 return '<span oncontextmenu=\'document.location="'.$url.'";return false;\'>'.$head.'</span>';
2587         }
2588
2589         function editSectionLinkForOther( $title, $section ) {
2590                 global $wgRequest;
2591                 global $wgUser, $wgContLang;
2592
2593                 $title = Title::newFromText($title);
2594                 $editurl = '&section='.$section;
2595                 $url = $this->makeKnownLink($title->getPrefixedText(),wfMsg('editsection'),'action=edit'.$editurl);
2596
2597                 if( $wgContLang->isRTL() ) {
2598                         $farside = 'left';
2599                         $nearside = 'right';
2600                 } else {
2601                         $farside = 'right';
2602                         $nearside = 'left';
2603                 }
2604                 return "<div class=\"editsection\" style=\"float:$farside;margin-$nearside:5px;\">[".$url."]</div>";
2605
2606         }
2607
2608         function editSectionLink( $section ) {
2609                 global $wgRequest;
2610                 global $wgTitle, $wgUser, $wgContLang;
2611
2612                 if( $wgRequest->getInt( 'oldid' ) && ( $wgRequest->getVal( 'diff' ) != '0' ) ) {
2613                         # Section edit links would be out of sync on an old page.
2614                         # But, if we're diffing to the current page, they'll be
2615                         # correct.
2616                         return '';
2617                 }
2618
2619                 $editurl = '&section='.$section;
2620                 $url = $this->makeKnownLink($wgTitle->getPrefixedText(),wfMsg('editsection'),'action=edit'.$editurl);
2621
2622                 if( $wgContLang->isRTL() ) {
2623                         $farside = 'left';
2624                         $nearside = 'right';
2625                 } else {
2626                         $farside = 'right';
2627                         $nearside = 'left';
2628                 }
2629                 return "<div class=\"editsection\" style=\"float:$farside;margin-$nearside:5px;\">[".$url."]</div>";
2630
2631         }
2632
2633         /**
2634          * This function is called by EditPage.php and shows a bulletin board style
2635          * toolbar for common editing functions. It can be disabled in the user
2636          * preferences.
2637          * The necessary JavaScript code can be found in style/wikibits.js.
2638          */
2639         function getEditToolbar() {
2640                 global $wgStylePath, $wgLang, $wgMimeType;
2641
2642                 /**
2643                  * toolarray an array of arrays which each include the filename of
2644                  * the button image (without path), the opening tag, the closing tag,
2645                  * and optionally a sample text that is inserted between the two when no
2646                  * selection is highlighted.
2647                  * The tip text is shown when the user moves the mouse over the button.
2648                  *
2649                  * Already here are accesskeys (key), which are not used yet until someone
2650                  * can figure out a way to make them work in IE. However, we should make
2651                  * sure these keys are not defined on the edit page.
2652                  */
2653                 $toolarray=array(
2654                         array(  'image'=>'button_bold.png',
2655                                         'open'  =>      "\'\'\'",
2656                                         'close' =>      "\'\'\'",
2657                                         'sample'=>      wfMsg('bold_sample'),
2658                                         'tip'   =>      wfMsg('bold_tip'),
2659                                         'key'   =>      'B'
2660                                 ),
2661                         array(  'image'=>'button_italic.png',
2662                                         'open'  =>      "\'\'",
2663                                         'close' =>      "\'\'",
2664                                         'sample'=>      wfMsg('italic_sample'),
2665                                         'tip'   =>      wfMsg('italic_tip'),
2666                                         'key'   =>      'I'
2667                                 ),
2668                         array(  'image'=>'button_link.png',
2669                                         'open'  =>      '[[',
2670                                         'close' =>      ']]',
2671                                         'sample'=>      wfMsg('link_sample'),
2672                                         'tip'   =>      wfMsg('link_tip'),
2673                                         'key'   =>      'L'
2674                                 ),
2675                         array(  'image'=>'button_extlink.png',
2676                                         'open'  =>      '[',
2677                                         'close' =>      ']',
2678                                         'sample'=>      wfMsg('extlink_sample'),
2679                                         'tip'   =>      wfMsg('extlink_tip'),
2680                                         'key'   =>      'X'
2681                                 ),
2682                         array(  'image'=>'button_headline.png',
2683                                         'open'  =>      "\\n== ",
2684                                         'close' =>      " ==\\n",
2685                                         'sample'=>      wfMsg('headline_sample'),
2686                                         'tip'   =>      wfMsg('headline_tip'),
2687                                         'key'   =>      'H'
2688                                 ),
2689                         array(  'image'=>'button_image.png',
2690                                         'open'  =>      '[['.$wgLang->getNsText(NS_IMAGE).":",
2691                                         'close' =>      ']]',
2692                                         'sample'=>      wfMsg('image_sample'),
2693                                         'tip'   =>      wfMsg('image_tip'),
2694                                         'key'   =>      'D'
2695                                 ),
2696                         array(  'image' =>      'button_media.png',
2697                                         'open'  =>      '[['.$wgLang->getNsText(NS_MEDIA).':',
2698                                         'close' =>      ']]',
2699                                         'sample'=>      wfMsg('media_sample'),
2700                                         'tip'   =>      wfMsg('media_tip'),
2701                                         'key'   =>      'M'
2702                                 ),
2703                         array(  'image' =>      'button_math.png',
2704                                         'open'  =>      "\\<math\\>",
2705                                         'close' =>      "\\</math\\>",
2706                                         'sample'=>      wfMsg('math_sample'),
2707                                         'tip'   =>      wfMsg('math_tip'),
2708                                         'key'   =>      'C'
2709                                 ),
2710                         array(  'image' =>      'button_nowiki.png',
2711                                         'open'  =>      "\\<nowiki\\>",
2712                                         'close' =>      "\\</nowiki\\>",
2713                                         'sample'=>      wfMsg('nowiki_sample'),
2714                                         'tip'   =>      wfMsg('nowiki_tip'),
2715                                         'key'   =>      'N'
2716                                 ),
2717                         array(  'image' =>      'button_sig.png',
2718                                         'open'  =>      '--~~~~',
2719                                         'close' =>      '',
2720                                         'sample'=>      '',
2721                                         'tip'   =>      wfMsg('sig_tip'),
2722                                         'key'   =>      'Y'
2723                                 ),
2724                         array(  'image' =>      'button_hr.png',
2725                                         'open'  =>      "\\n----\\n",
2726                                         'close' =>      '',
2727                                         'sample'=>      '',
2728                                         'tip'   =>      wfMsg('hr_tip'),
2729                                         'key'   =>      'R'
2730                                 )
2731                 );
2732                 $toolbar ="<script type='text/javascript'>\n/*<![CDATA[*/\n";
2733
2734                 $toolbar.="document.writeln(\"<div id='toolbar'>\");\n";
2735                 foreach($toolarray as $tool) {
2736
2737                         $image=$wgStylePath.'/common/images/'.$tool['image'];
2738                         $open=$tool['open'];
2739                         $close=$tool['close'];
2740                         $sample = addslashes( $tool['sample'] );
2741
2742                         // Note that we use the tip both for the ALT tag and the TITLE tag of the image.
2743                         // Older browsers show a "speedtip" type message only for ALT.
2744                         // Ideally these should be different, realistically they
2745                         // probably don't need to be.
2746                         $tip = addslashes( $tool['tip'] );
2747
2748                         #$key = $tool["key"];
2749
2750                         $toolbar.="addButton('$image','$tip','$open','$close','$sample');\n";
2751                 }
2752
2753                 $toolbar.="addInfobox('" . addslashes( wfMsg( "infobox" ) ) . "','" . addslashes(wfMsg("infobox_alert")) . "');\n";
2754                 $toolbar.="document.writeln(\"</div>\");\n";
2755
2756                 $toolbar.="/*]]>*/\n</script>";
2757                 return $toolbar;
2758         }
2759
2760         /**
2761          * @access public
2762          */
2763         function suppressUrlExpansion() {
2764                 return false;
2765         }
2766 }
2767
2768 }
2769 ?>