includes/Skin.php

   1 <?php
   2
   3 /**
   4  *
   5  * @package MediaWiki
   6  * @subpackage Skins
   7  */
   8
   9 /**
  10  * This is not a valid entry point, perform no further processing unless MEDIAWIKI is defined
  11  */
  12 if( defined( "MEDIAWIKI" ) ) {
  13
  14 # See skin.doc
  15 require_once( 'Image.php' );
  16
  17 # These are the INTERNAL names, which get mapped directly to class names and
  18 # file names in ./skins/. For display purposes, the Language class has
  19 # internationalized names
  20 #
  21 /*
  22 $wgValidSkinNames = array(
  23         'standard'      => 'Standard',
  24         'nostalgia'     => 'Nostalgia',
  25         'cologneblue'   => 'CologneBlue'
  26 );
  27 if( $wgUsePHPTal ) {
  28         #$wgValidSkinNames[] = 'PHPTal';
  29         #$wgValidSkinNames['davinci'] = 'DaVinci';
  30         #$wgValidSkinNames['mono'] = 'Mono';
  31         #$wgValidSkinNames['monobookminimal'] = 'MonoBookMinimal';
  32         $wgValidSkinNames['monobook'] = 'MonoBook';
  33         $wgValidSkinNames['myskin'] = 'MySkin';
  34         $wgValidSkinNames['chick'] = 'Chick';
  35 }
  36 */
  37
  38 # Get a list of all skins available in /skins/
  39 # Build using the regular expression '^(.*).php$'
  40 # Array keys are all lower case, array value keep the case used by filename
  41 #
  42
  43 $skinDir = dir($IP.'/skins');
  44
  45 # while code from www.php.net
  46 while (false !== ($file = $skinDir->read())) {
  47         if(preg_match('/^(.*).php$/',$file, $matches)) {
  48                 $aSkin = $matches[1];
  49         $wgValidSkinNames[strtolower($aSkin)] = $aSkin;
  50         }
  51 }
  52 $skinDir->close();
  53 unset($matches);
  54
  55 require_once( 'RecentChange.php' );
  56
  57 global $wgLinkHolders;
  58 $wgLinkHolders = array(
  59         'namespaces' => array(),
  60         'dbkeys' => array(),
  61         'queries' => array(),
  62         'texts' => array(),
  63         'titles' => array()
  64 );
  65 global $wgInterwikiLinkHolders;
  66 $wgInterwikiLinkHolders = array();
  67
  68 /**
  69  * @todo document
  70  * @package MediaWiki
  71  */
  72 class RCCacheEntry extends RecentChange
  73 {
  74         var $secureName, $link;
  75         var $curlink , $difflink, $lastlink , $usertalklink , $versionlink ;
  76         var $userlink, $timestamp, $watched;
  77
  78         function newFromParent( $rc )
  79         {
  80                 $rc2 = new RCCacheEntry;
  81                 $rc2->mAttribs = $rc->mAttribs;
  82                 $rc2->mExtra = $rc->mExtra;
  83                 return $rc2;
  84         }
  85 } ;
  86
  87
  88 /**
  89  * The main skin class that provide methods and properties for all other skins
  90  * including PHPTal skins.
  91  * This base class is also the "Standard" skin.
  92  * @package MediaWiki
  93  */
  94 class Skin {
  95         /**#@+
  96          * @access private
  97          */
  98         var $lastdate, $lastline;
  99         var $linktrail ; # linktrail regexp
 100         var $rc_cache ; # Cache for Enhanced Recent Changes
 101         var $rcCacheIndex ; # Recent Changes Cache Counter for visibility toggle
 102         var $rcMoveIndex;
 103         var $postParseLinkColour = false;
 104         /**#@-*/
 105
 106         function Skin() {
 107                 $this->linktrail = wfMsg('linktrail');
 108         }
 109
 110         function getSkinNames() {
 111                 global $wgValidSkinNames;
 112                 return $wgValidSkinNames;
 113         }
 114
 115         function getStylesheet() {
 116                 return 'common/wikistandard.css';
 117         }
 118
 119         function getSkinName() {
 120                 return 'standard';
 121         }
 122
 123         /**
 124          * Get/set accessor for delayed link colouring
 125          */
 126         function postParseLinkColour( $setting = NULL ) {
 127                 return wfSetVar( $this->postParseLinkColour, $setting );
 128         }
 129
 130         function qbSetting() {
 131                 global $wgOut, $wgUser;
 132
 133                 if ( $wgOut->isQuickbarSuppressed() ) { return 0; }
 134                 $q = $wgUser->getOption( 'quickbar' );
 135                 if ( '' == $q ) { $q = 0; }
 136                 return $q;
 137         }
 138
 139         function initPage( &$out ) {
 140                 $fname = 'Skin::initPage';
 141                 wfProfileIn( $fname );
 142
 143                 $out->addLink( array( 'rel' => 'shortcut icon', 'href' => '/favicon.ico' ) );
 144
 145                 $this->addMetadataLinks($out);
 146
 147                 wfProfileOut( $fname );
 148         }
 149
 150         function addMetadataLinks( &$out ) {
 151                 global $wgTitle, $wgEnableDublinCoreRdf, $wgEnableCreativeCommonsRdf, $wgRdfMimeType, $action;
 152                 global $wgRightsPage, $wgRightsUrl;
 153
 154                 if( $out->isArticleRelated() ) {
 155                         # note: buggy CC software only reads first "meta" link
 156                         if( $wgEnableCreativeCommonsRdf ) {
 157                                 $out->addMetadataLink( array(
 158                                         'title' => 'Creative Commons',
 159                                         'type' => 'application/rdf+xml',
 160                                         'href' => $wgTitle->getLocalURL( 'action=creativecommons') ) );
 161                         }
 162                         if( $wgEnableDublinCoreRdf ) {
 163                                 $out->addMetadataLink( array(
 164                                         'title' => 'Dublin Core',
 165                                         'type' => 'application/rdf+xml',
 166                                         'href' => $wgTitle->getLocalURL( 'action=dublincore' ) ) );
 167                         }
 168                 }
 169                 $copyright = '';
 170                 if( $wgRightsPage ) {
 171                         $copy = Title::newFromText( $wgRightsPage );
 172                         if( $copy ) {
 173                                 $copyright = $copy->getLocalURL();
 174                         }
 175                 }
 176                 if( !$copyright && $wgRightsUrl ) {
 177                         $copyright = $wgRightsUrl;
 178                 }
 179                 if( $copyright ) {
 180                         $out->addLink( array(
 181                                 'rel' => 'copyright',
 182                                 'href' => $copyright ) );
 183                 }
 184         }
 185
 186         function outputPage( &$out ) {
 187                 global $wgDebugComments;
 188
 189                 wfProfileIn( 'Skin::outputPage' );
 190                 $this->initPage( $out );
 191                 $out->out( $out->headElement() );
 192
 193                 $out->out( "\n<body" );
 194                 $ops = $this->getBodyOptions();
 195                 foreach ( $ops as $name => $val ) {
 196                         $out->out( " $name='$val'" );
 197                 }
 198                 $out->out( ">\n" );
 199                 if ( $wgDebugComments ) {
 200                         $out->out( "<!-- Wiki debugging output:\n" .
 201                           $out->mDebugtext . "-->\n" );
 202                 }
 203                 $out->out( $this->beforeContent() );
 204
 205                 $out->out( $out->mBodytext . "\n" );
 206
 207                 $out->out( $this->afterContent() );
 208
 209                 wfProfileClose();
 210                 $out->out( $out->reportTime() );
 211
 212                 $out->out( "\n</body></html>" );
 213         }
 214
 215         function getHeadScripts() {
 216                 global $wgStylePath, $wgUser, $wgContLang, $wgAllowUserJs;
 217                 $r = "<script type=\"text/javascript\" src=\"{$wgStylePath}/common/wikibits.js\"></script>\n";
 218                 if( $wgAllowUserJs && $wgUser->getID() != 0 ) { # logged in
 219                         $userpage = $wgContLang->getNsText( Namespace::getUser() ) . ":" . $wgUser->getName();
 220                         $userjs = htmlspecialchars($this->makeUrl($userpage.'/'.$this->getSkinName().'.js', 'action=raw&ctype=text/javascript'));
 221                         $r .= '<script type="text/javascript" src="'.$userjs."\"></script>\n";
 222                 }
 223                 return $r;
 224         }
 225
 226         # get the user/site-specific stylesheet, SkinPHPTal called from RawPage.php (settings are cached that way)
 227         function getUserStylesheet() {
 228                 global $wgOut, $wgStylePath, $wgContLang, $wgUser, $wgRequest, $wgTitle, $wgAllowUserCss;
 229                 $sheet = $this->getStylesheet();
 230                 $action = $wgRequest->getText('action');
 231                 $s = "@import \"$wgStylePath/$sheet\";\n";
 232                 if($wgContLang->isRTL()) $s .= "@import \"$wgStylePath/common/common_rtl.css\";\n";
 233                 if( $wgAllowUserCss && $wgUser->getID() != 0 ) { # logged in
 234                         if($wgTitle->isCssSubpage() and $action == 'submit' and  $wgTitle->userCanEditCssJsSubpage()) {
 235                                 $s .= $wgRequest->getText('wpTextbox1');
 236                         } else {
 237                                 $userpage = $wgContLang->getNsText( Namespace::getUser() ) . ":" . $wgUser->getName();
 238                                 $s.= '@import "'.$this->makeUrl($userpage.'/'.$this->getSkinName().'.css', 'action=raw&ctype=text/css').'";'."\n";
 239                         }
 240                 }
 241                 $s .= $this->doGetUserStyles();
 242                 return $s."\n";
 243         }
 244
 245         /**
 246          * placeholder, returns generated js in monobook
 247          */
 248         function getUserJs() { return; }
 249
 250         /**
 251          * Return html code that include User stylesheets
 252          */
 253         function getUserStyles() {
 254                 global $wgOut, $wgStylePath, $wgLang;
 255                 $s = "<style type='text/css'>\n";
 256                 $s .= "/*/*/ /*<![CDATA[*/\n"; # <-- Hide the styles from Netscape 4 without hiding them from IE/Mac
 257                 $s .= $this->getUserStylesheet();
 258                 $s .= "/*]]>*/ /* */\n";
 259                 $s .= "</style>\n";
 260                 return $s;
 261         }
 262
 263         /**
 264          * Some styles that are set by user through the user settings interface.
 265          */
 266         function doGetUserStyles() {
 267                 global $wgUser, $wgContLang;
 268
 269                 $csspage = $wgContLang->getNsText( NS_MEDIAWIKI ) . ':' . $this->getSkinName() . '.css';
 270                 $s = '@import "'.$this->makeUrl($csspage, 'action=raw&ctype=text/css')."\";\n";
 271
 272                 if ( 1 == $wgUser->getOption( 'underline' ) ) {
 273                         # Don't override browser settings
 274                 } else {
 275                         # CHECK MERGE @@@
 276                         # Force no underline
 277                         $s .= "a { text-decoration: none; }\n";
 278                 }
 279                 if ( 1 == $wgUser->getOption( 'highlightbroken' ) ) {
 280                         $s .= "a.new, #quickbar a.new { color: #CC2200; }\n";
 281                 }
 282                 if ( 1 == $wgUser->getOption( 'justify' ) ) {
 283                         $s .= "#article { text-align: justify; }\n";
 284                 }
 285                 return $s;
 286         }
 287
 288         function getBodyOptions() {
 289                 global $wgUser, $wgTitle, $wgNamespaceBackgrounds, $wgOut, $wgRequest;
 290
 291                 extract( $wgRequest->getValues( 'oldid', 'redirect', 'diff' ) );
 292
 293                 if ( 0 != $wgTitle->getNamespace() ) {
 294                         $a = array( 'bgcolor' => '#ffffec' );
 295                 }
 296                 else $a = array( 'bgcolor' => '#FFFFFF' );
 297                 if($wgOut->isArticle() && $wgUser->getOption('editondblclick') &&
 298                   (!$wgTitle->isProtected() || $wgUser->isAllowed('protect')) ) {
 299                         $t = wfMsg( 'editthispage' );
 300                         $oid = $red = '';
 301                         if ( !empty($redirect) && $redirect == 'no' ) {
 302                                 $red = "&redirect={$redirect}";
 303                         }
 304                         if ( !empty($oldid) && ! isset( $diff ) ) {
 305                                 $oid = "&oldid=" . IntVal( $oldid );
 306                         }
 307                         $s = $wgTitle->getFullURL( "action=edit{$oid}{$red}" );
 308                         $s = 'document.location = "' .$s .'";';
 309                         $a += array ('ondblclick' => $s);
 310
 311                 }
 312                 $a['onload'] = $wgOut->getOnloadHandler();
 313                 return $a;
 314         }
 315
 316         function getExternalLinkAttributes( $link, $text, $class='' ) {
 317                 global $wgUser, $wgOut, $wgContLang;
 318
 319                 $same = ($link == $text);
 320                 $link = urldecode( $link );
 321                 $link = $wgContLang->checkTitleEncoding( $link );
 322                 $link = str_replace( '_', ' ', $link );
 323                 $link = htmlspecialchars( $link );
 324
 325                 $r = ($class != '') ? " class='$class'" : " class='external'";
 326
 327                 if ( !$same && $wgUser->getOption( 'hover' ) ) {
 328                         $r .= " title=\"{$link}\"";
 329                 }
 330                 return $r;
 331         }
 332
 333         function getInternalLinkAttributes( $link, $text, $broken = false ) {
 334                 global $wgUser, $wgOut;
 335
 336                 $link = urldecode( $link );
 337                 $link = str_replace( '_', ' ', $link );
 338                 $link = htmlspecialchars( $link );
 339
 340                 if ( $broken == 'stub' ) {
 341                         $r = ' class="stub"';
 342                 } else if ( $broken == 'yes' ) {
 343                         $r = ' class="new"';
 344                 } else {
 345                         $r = '';
 346                 }
 347
 348                 if ( 1 == $wgUser->getOption( 'hover' ) ) {
 349                         $r .= " title=\"{$link}\"";
 350                 }
 351                 return $r;
 352         }
 353
 354         /**
 355          * @param bool $broken
 356          */
 357         function getInternalLinkAttributesObj( &$nt, $text, $broken = false ) {
 358                 global $wgUser, $wgOut;
 359
 360                 if ( $broken == 'stub' ) {
 361                         $r = ' class="stub"';
 362                 } else if ( $broken == 'yes' ) {
 363                         $r = ' class="new"';
 364                 } else {
 365                         $r = '';
 366                 }
 367
 368                 if ( 1 == $wgUser->getOption( 'hover' ) ) {
 369                         $r .= ' title="' . $nt->getEscapedText() . '"';
 370                 }
 371                 return $r;
 372         }
 373
 374         /**
 375          * URL to the logo
 376          */
 377         function getLogo() {
 378                 global $wgLogo;
 379                 return $wgLogo;
 380         }
 381
 382         /**
 383          * This will be called immediately after the <body> tag.  Split into
 384          * two functions to make it easier to subclass.
 385          */
 386         function beforeContent() {
 387                 global $wgUser, $wgOut;
 388
 389                 return $this->doBeforeContent();
 390         }
 391
 392         function doBeforeContent() {
 393                 global $wgUser, $wgOut, $wgTitle, $wgContLang, $wgSiteNotice;
 394                 $fname = 'Skin::doBeforeContent';
 395                 wfProfileIn( $fname );
 396
 397                 $s = '';
 398                 $qb = $this->qbSetting();
 399
 400                 if( $langlinks = $this->otherLanguages() ) {
 401                         $rows = 2;
 402                         $borderhack = '';
 403                 } else {
 404                         $rows = 1;
 405                         $langlinks = false;
 406                         $borderhack = 'class="top"';
 407                 }
 408
 409                 $s .= "\n<div id='content'>\n<div id='topbar'>\n" .
 410                   "<table border='0' cellspacing='0' width='98%'>\n<tr>\n";
 411
 412                 $shove = ($qb != 0);
 413                 $left = ($qb == 1 || $qb == 3);
 414                 if($wgContLang->isRTL()) $left = !$left;
 415
 416                 if ( !$shove ) {
 417                         $s .= "<td class='top' align='left' valign='top' rowspan='{$rows}'>\n" .
 418                           $this->logoText() . '</td>';
 419                 } elseif( $left ) {
 420                         $s .= $this->getQuickbarCompensator( $rows );
 421                 }
 422                 $l = $wgContLang->isRTL() ? 'right' : 'left';
 423                 $s .= "<td {$borderhack} align='$l' valign='top'>\n";
 424
 425                 $s .= $this->topLinks() ;
 426                 $s .= "<p class='subtitle'>" . $this->pageTitleLinks() . "</p>\n";
 427
 428                 $r = $wgContLang->isRTL() ? "left" : "right";
 429                 $s .= "</td>\n<td {$borderhack} valign='top' align='$r' nowrap='nowrap'>";
 430                 $s .= $this->nameAndLogin();
 431                 $s .= "\n<br />" . $this->searchForm() . "</td>";
 432
 433                 if ( $langlinks ) {
 434                         $s .= "</tr>\n<tr>\n<td class='top' colspan=\"2\">$langlinks</td>\n";
 435                 }
 436
 437                 if ( $shove && !$left ) { # Right
 438                         $s .= $this->getQuickbarCompensator( $rows );
 439                 }
 440                 $s .= "</tr>\n</table>\n</div>\n";
 441                 $s .= "\n<div id='article'>\n";
 442
 443                 if( $wgSiteNotice ) {
 444                         $s .= "\n<div id='siteNotice'>$wgSiteNotice</div>\n";
 445                 }
 446                 $s .= $this->pageTitle();
 447                 $s .= $this->pageSubtitle() ;
 448                 $s .= $this->getCategories();
 449                 wfProfileOut( $fname );
 450                 return $s;
 451         }
 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                 $disclaimer = $this->disclaimerLink(); # may be empty
 548                 if( $disclaimer ) {
 549                         $s .= ' | ' . $disclaimer;
 550                 }
 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                                 $wgOut->enableClientCache(false);
 589                         }
 590                 }
 591
 592                 $undelete = $this->getUndeleteLink();
 593                 if( !empty( $undelete ) ) {
 594                         $s .= ' | '.$undelete;
 595                 }
 596                 return $s;
 597         }
 598
 599         function getUndeleteLink() {
 600                 global $wgUser, $wgTitle, $wgContLang, $action;
 601                 if( $wgUser->isAllowed('rollback') &&
 602                         (($wgTitle->getArticleId() == 0) || ($action == "history")) &&
 603                         ($n = $wgTitle->isDeleted() ) ) {
 604                         return wfMsg( 'thisisdeleted',
 605                                 $this->makeKnownLink(
 606                                         $wgContLang->SpecialPage( 'Undelete/' . $wgTitle->getPrefixedDBkey() ),
 607                                         wfMsg( 'restorelink', $n ) ) );
 608                 }
 609                 return '';
 610         }
 611
 612         function printableLink() {
 613                 global $wgOut, $wgFeedClasses, $wgRequest;
 614
 615                 $baseurl = $_SERVER['REQUEST_URI'];
 616                 if( strpos( '?', $baseurl ) == false ) {
 617                         $baseurl .= '?';
 618                 } else {
 619                         $baseurl .= '&';
 620                 }
 621                 $baseurl = htmlspecialchars( $baseurl );
 622                 $printurl = $wgRequest->escapeAppendQuery( 'printable=yes' );
 623
 624                 $s = "<a href=\"$printurl\">" . wfMsg( 'printableversion' ) . '</a>';
 625                 if( $wgOut->isSyndicated() ) {
 626                         foreach( $wgFeedClasses as $format => $class ) {
 627                                 $feedurl = $wgRequest->escapeAppendQuery( "feed=$format" );
 628                                 $s .= " | <a href=\"$feedurl\">{$format}</a>";
 629                         }
 630                 }
 631                 return $s;
 632         }
 633
 634         function pageTitle() {
 635                 global $wgOut, $wgTitle, $wgUser;
 636
 637                 $s = '<h1 class="pagetitle">' . htmlspecialchars( $wgOut->getPageTitle() ) . '</h1>';
 638                 if($wgUser->getOption( 'editsectiononrightclick' ) && $wgTitle->userCanEdit()) { $s=$this->editSectionScript($wgTitle, 0,$s);}
 639                 return $s;
 640         }
 641
 642         function pageSubtitle() {
 643                 global $wgOut;
 644
 645                 $sub = $wgOut->getSubtitle();
 646                 if ( '' == $sub ) {
 647                         global $wgExtraSubtitle;
 648                         $sub = wfMsg( 'tagline' ) . $wgExtraSubtitle;
 649                 }
 650                 $subpages = $this->subPageSubtitle();
 651                 $sub .= !empty($subpages)?"</p><p class='subpages'>$subpages":'';
 652                 $s = "<p class='subtitle'>{$sub}</p>\n";
 653                 return $s;
 654         }
 655
 656         function subPageSubtitle() {
 657                 global $wgOut,$wgTitle,$wgNamespacesWithSubpages;
 658                 $subpages = '';
 659                 if($wgOut->isArticle() && !empty($wgNamespacesWithSubpages[$wgTitle->getNamespace()])) {
 660                         $ptext=$wgTitle->getPrefixedText();
 661                         if(preg_match('/\//',$ptext)) {
 662                                 $links = explode('/',$ptext);
 663                                 $c = 0;
 664                                 $growinglink = '';
 665                                 foreach($links as $link) {
 666                                         $c++;
 667                                         if ($c<count($links)) {
 668                                                 $growinglink .= $link;
 669                                                 $getlink = $this->makeLink( $growinglink, $link );
 670                                                 if(preg_match('/class="new"/i',$getlink)) { break; } # this is a hack, but it saves time
 671                                                 if ($c>1) {
 672                                                         $subpages .= ' | ';
 673                                                 } else  {
 674                                                         $subpages .= '&lt; ';
 675                                                 }
 676                                                 $subpages .= $getlink;
 677                                                 $growinglink .= '/';
 678                                         }
 679                                 }
 680                         }
 681                 }
 682                 return $subpages;
 683         }
 684
 685         function nameAndLogin() {
 686                 global $wgUser, $wgTitle, $wgLang, $wgContLang, $wgShowIPinHeader, $wgIP;
 687
 688                 $li = $wgContLang->specialPage( 'Userlogin' );
 689                 $lo = $wgContLang->specialPage( 'Userlogout' );
 690
 691                 $s = '';
 692                 if ( 0 == $wgUser->getID() ) {
 693                         if( $wgShowIPinHeader && isset(  $_COOKIE[ini_get('session.name')] ) ) {
 694                                 $n = $wgIP;
 695
 696                                 $tl = $this->makeKnownLink( $wgContLang->getNsText(
 697                                   Namespace::getTalk( Namespace::getUser() ) ) . ":{$n}",
 698                                   $wgContLang->getNsText( Namespace::getTalk( 0 ) ) );
 699
 700                                 $s .= $n . ' ('.$tl.')';
 701                         } else {
 702                                 $s .= wfMsg('notloggedin');
 703                         }
 704
 705                         $rt = $wgTitle->getPrefixedURL();
 706                         if ( 0 == strcasecmp( urlencode( $lo ), $rt ) ) {
 707                                 $q = '';
 708                         } else { $q = "returnto={$rt}"; }
 709
 710                         $s .= "\n<br />" . $this->makeKnownLink( $li,
 711                           wfMsg( 'login' ), $q );
 712                 } else {
 713                         $n = $wgUser->getName();
 714                         $rt = $wgTitle->getPrefixedURL();
 715                         $tl = $this->makeKnownLink( $wgContLang->getNsText(
 716                           Namespace::getTalk( Namespace::getUser() ) ) . ":{$n}",
 717                           $wgContLang->getNsText( Namespace::getTalk( 0 ) ) );
 718
 719                         $tl = " ({$tl})";
 720
 721                         $s .= $this->makeKnownLink( $wgContLang->getNsText(
 722                           Namespace::getUser() ) . ":{$n}", $n ) . "{$tl}<br />" .
 723                           $this->makeKnownLink( $lo, wfMsg( 'logout' ),
 724                           "returnto={$rt}" ) . ' | ' .
 725                           $this->specialLink( 'preferences' );
 726                 }
 727                 $s .= ' | ' . $this->makeKnownLink( wfMsgForContent( 'helppage' ),
 728                   wfMsg( 'help' ) );
 729
 730                 return $s;
 731         }
 732
 733         function getSearchLink() {
 734                 $searchPage =& Title::makeTitle( NS_SPECIAL, 'Search' );
 735                 return $searchPage->getLocalURL();
 736         }
 737
 738         function escapeSearchLink() {
 739                 return htmlspecialchars( $this->getSearchLink() );
 740         }
 741
 742         function searchForm() {
 743                 global $wgRequest;
 744                 $search = $wgRequest->getText( 'search' );
 745
 746                 $s = '<form name="search" class="inline" method="post" action="'
 747                   . $this->escapeSearchLink() . "\">\n"
 748                   . '<input type="text" name="search" size="19" value="'
 749                   . htmlspecialchars(substr($search,0,256)) . "\" />\n"
 750                   . '<input type="submit" name="go" value="' . wfMsg ('go') . '" />&nbsp;'
 751                   . '<input type="submit" name="fulltext" value="' . wfMsg ('search') . "\" />\n</form>";
 752
 753                 return $s;
 754         }
 755
 756         function topLinks() {
 757                 global $wgOut;
 758                 $sep = " |\n";
 759
 760                 $s = $this->mainPageLink() . $sep
 761                   . $this->specialLink( 'recentchanges' );
 762
 763                 if ( $wgOut->isArticleRelated() ) {
 764                         $s .=  $sep . $this->editThisPage()
 765                           . $sep . $this->historyLink();
 766                 }
 767                 # Many people don't like this dropdown box
 768                 #$s .= $sep . $this->specialPagesList();
 769
 770                 return $s;
 771         }
 772
 773         function bottomLinks() {
 774                 global $wgOut, $wgUser, $wgTitle;
 775                 $sep = " |\n";
 776
 777                 $s = '';
 778                 if ( $wgOut->isArticleRelated() ) {
 779                         $s .= '<strong>' . $this->editThisPage() . '</strong>';
 780                         if ( 0 != $wgUser->getID() ) {
 781                                 $s .= $sep . $this->watchThisPage();
 782                         }
 783                         $s .= $sep . $this->talkLink()
 784                           . $sep . $this->historyLink()
 785                           . $sep . $this->whatLinksHere()
 786                           . $sep . $this->watchPageLinksLink();
 787
 788                         if ( $wgTitle->getNamespace() == Namespace::getUser()
 789                             || $wgTitle->getNamespace() == Namespace::getTalk(Namespace::getUser()) )
 790
 791                         {
 792                                 $id=User::idFromName($wgTitle->getText());
 793                                 $ip=User::isIP($wgTitle->getText());
 794
 795                                 if($id || $ip) { # both anons and non-anons have contri list
 796                                         $s .= $sep . $this->userContribsLink();
 797                                 }
 798                                 if ( 0 != $wgUser->getID() ) { # show only to signed in users
 799                                         if($id) {       # can only email non-anons
 800                                                 $s .= $sep . $this->emailUserLink();
 801                                         }
 802                                 }
 803                         }
 804                         if ( $wgTitle->getArticleId() ) {
 805                                 $s .= "\n<br />";
 806                                 if($wgUser->isAllowed('delete')) { $s .= $this->deleteThisPage(); }
 807                                 if($wgUser->isAllowed('protect')) { $s .= $sep . $this->protectThisPage(); }
 808                                 if($wgUser->isAllowed('move')) { $s .= $sep . $this->moveThisPage(); }
 809                         }
 810                         $s .= "<br />\n" . $this->otherLanguages();
 811                 }
 812                 return $s;
 813         }
 814
 815         function pageStats() {
 816                 global $wgOut, $wgLang, $wgArticle, $wgRequest;
 817                 global $wgDisableCounters, $wgMaxCredits, $wgShowCreditsIfMax;
 818
 819                 extract( $wgRequest->getValues( 'oldid', 'diff' ) );
 820                 if ( ! $wgOut->isArticle() ) { return ''; }
 821                 if ( isset( $oldid ) || isset( $diff ) ) { return ''; }
 822                 if ( 0 == $wgArticle->getID() ) { return ''; }
 823
 824                 $s = '';
 825                 if ( !$wgDisableCounters ) {
 826                         $count = $wgLang->formatNum( $wgArticle->getCount() );
 827                         if ( $count ) {
 828                                 $s = wfMsg( 'viewcount', $count );
 829                         }
 830                 }
 831
 832                 if (isset($wgMaxCredits) && $wgMaxCredits != 0) {
 833                     require_once("Credits.php");
 834                     $s .= ' ' . getCredits($wgArticle, $wgMaxCredits, $wgShowCreditsIfMax);
 835                 } else {
 836                     $s .= $this->lastModified();
 837                 }
 838
 839                 return $s . ' ' .  $this->getCopyright();
 840         }
 841
 842         function getCopyright() {
 843                 global $wgRightsPage, $wgRightsUrl, $wgRightsText, $wgRequest;
 844
 845
 846                 $oldid = $wgRequest->getVal( 'oldid' );
 847                 $diff = $wgRequest->getVal( 'diff' );
 848
 849                 if ( !is_null( $oldid ) && is_null( $diff ) && wfMsgForContent( 'history_copyright' ) !== '-' ) {
 850                         $msg = 'history_copyright';
 851                 } else {
 852                         $msg = 'copyright';
 853                 }
 854
 855                 $out = '';
 856                 if( $wgRightsPage ) {
 857                         $link = $this->makeKnownLink( $wgRightsPage, $wgRightsText );
 858                 } elseif( $wgRightsUrl ) {
 859                         $link = $this->makeExternalLink( $wgRightsUrl, $wgRightsText );
 860                 } else {
 861                         # Give up now
 862                         return $out;
 863                 }
 864                 $out .= wfMsgForContent( $msg, $link );
 865                 return $out;
 866         }
 867
 868         function getCopyrightIcon() {
 869                 global $wgRightsPage, $wgRightsUrl, $wgRightsText, $wgRightsIcon;
 870                 $out = '';
 871                 if( $wgRightsIcon ) {
 872                         $icon = htmlspecialchars( $wgRightsIcon );
 873                         if( $wgRightsUrl ) {
 874                                 $url = htmlspecialchars( $wgRightsUrl );
 875                                 $out .= '<a href="'.$url.'">';
 876                         }
 877                         $text = htmlspecialchars( $wgRightsText );
 878                         $out .= "<img src=\"$icon\" alt='$text' />";
 879                         if( $wgRightsUrl ) {
 880                                 $out .= '</a>';
 881                         }
 882                 }
 883                 return $out;
 884         }
 885
 886         function getPoweredBy() {
 887                 global $wgStylePath;
 888                 $url = htmlspecialchars( "$wgStylePath/common/images/poweredby_mediawiki_88x31.png" );
 889                 $img = '<a href="http://www.mediawiki.org/"><img src="'.$url.'" alt="MediaWiki" /></a>';
 890                 return $img;
 891         }
 892
 893         function lastModified() {
 894                 global $wgLang, $wgArticle;
 895
 896                 $timestamp = $wgArticle->getTimestamp();
 897                 if ( $timestamp ) {
 898                         $d = $wgLang->timeanddate( $wgArticle->getTimestamp(), true );
 899                         $s = ' ' . wfMsg( 'lastmodified', $d );
 900                 } else {
 901                         $s = '';
 902                 }
 903                 return $s;
 904         }
 905
 906         function logoText( $align = '' ) {
 907                 if ( '' != $align ) { $a = " align='{$align}'"; }
 908                 else { $a = ''; }
 909
 910                 $mp = wfMsg( 'mainpage' );
 911                 $titleObj = Title::newFromText( $mp );
 912                 if ( is_object( $titleObj ) ) {
 913                         $url = $titleObj->escapeLocalURL();
 914                 } else {
 915                         $url = '';
 916                 }
 917
 918                 $logourl = $this->getLogo();
 919                 $s = "<a href='{$url}'><img{$a} src='{$logourl}' alt='[{$mp}]' /></a>";
 920                 return $s;
 921         }
 922
 923         function specialPagesList() {
 924                 global $wgUser, $wgOut, $wgContLang, $wgServer, $wgRedirectScript;
 925                 require_once('SpecialPage.php');
 926                 $a = array();
 927                 $pages = SpecialPage::getPages();
 928
 929                 foreach ( $pages[''] as $name => $page ) {
 930                         $a[$name] = $page->getDescription();
 931                 }
 932                 if ( $wgUser->isSysop() )
 933                 {
 934                         foreach ( $pages['sysop'] as $name => $page ) {
 935                                 $a[$name] = $page->getDescription();
 936                         }
 937                 }
 938                 if ( $wgUser->isDeveloper() )
 939                 {
 940                         foreach ( $pages['developer'] as $name => $page ) {
 941                                 $a[$name] = $page->getDescription() ;
 942                         }
 943                 }
 944                 $go = wfMsg( 'go' );
 945                 $sp = wfMsg( 'specialpages' );
 946                 $spp = $wgContLang->specialPage( 'Specialpages' );
 947
 948                 $s = '<form id="specialpages" method="get" class="inline" ' .
 949                   'action="' . htmlspecialchars( "{$wgServer}{$wgRedirectScript}" ) . "\">\n";
 950                 $s .= "<select name=\"wpDropdown\">\n";
 951                 $s .= "<option value=\"{$spp}\">{$sp}</option>\n";
 952
 953                 foreach ( $a as $name => $desc ) {
 954                         $p = $wgContLang->specialPage( $name );
 955                         $s .= "<option value=\"{$p}\">{$desc}</option>\n";
 956                 }
 957                 $s .= "</select>\n";
 958                 $s .= "<input type='submit' value=\"{$go}\" name='redirect' />\n";
 959                 $s .= "</form>\n";
 960                 return $s;
 961         }
 962
 963         function mainPageLink() {
 964                 $mp = wfMsgForContent( 'mainpage' );
 965                 $mptxt = wfMsg( 'mainpage');
 966                 $s = $this->makeKnownLink( $mp, $mptxt );
 967                 return $s;
 968         }
 969
 970         function copyrightLink() {
 971                 $s = $this->makeKnownLink( wfMsgForContent( 'copyrightpage' ),
 972                   wfMsg( 'copyrightpagename' ) );
 973                 return $s;
 974         }
 975
 976         function aboutLink() {
 977                 $s = $this->makeKnownLink( wfMsgForContent( 'aboutpage' ),
 978                   wfMsg( 'aboutsite' ) );
 979                 return $s;
 980         }
 981
 982
 983         function disclaimerLink() {
 984                 $disclaimers = wfMsg( 'disclaimers' );
 985                 if ($disclaimers == '-') {
 986                         return "";
 987                 } else {
 988                         return $this->makeKnownLink( wfMsgForContent( 'disclaimerpage' ),
 989                                                      $disclaimers );
 990                 }
 991         }
 992
 993         function editThisPage() {
 994                 global $wgOut, $wgTitle, $wgRequest;
 995
 996                 $oldid = $wgRequest->getVal( 'oldid' );
 997                 $diff = $wgRequest->getVal( 'diff' );
 998                 $redirect = $wgRequest->getVal( 'redirect' );
 999
1000                 if ( ! $wgOut->isArticleRelated() ) {
1001                         $s = wfMsg( 'protectedpage' );
1002                 } else {
1003                         $n = $wgTitle->getPrefixedText();
1004                         if ( $wgTitle->userCanEdit() ) {
1005                                 $t = wfMsg( 'editthispage' );
1006                         } else {
1007                                 #$t = wfMsg( "protectedpage" );
1008                                 $t = wfMsg( 'viewsource' );
1009                         }
1010                         $oid = $red = '';
1011
1012                         if ( !is_null( $redirect ) ) { $red = "&redirect={$redirect}"; }
1013                         if ( $oldid && ! isset( $diff ) ) {
1014                                 $oid = '&oldid='.$oldid;
1015                         }
1016                         $s = $this->makeKnownLink( $n, $t, "action=edit{$oid}{$red}" );
1017                 }
1018                 return $s;
1019         }
1020
1021         function deleteThisPage() {
1022                 global $wgUser, $wgOut, $wgTitle, $wgRequest;
1023
1024                 $diff = $wgRequest->getVal( 'diff' );
1025                 if ( $wgTitle->getArticleId() && ( ! $diff ) && $wgUser->isAllowed('delete') ) {
1026                         $n = $wgTitle->getPrefixedText();
1027                         $t = wfMsg( 'deletethispage' );
1028
1029                         $s = $this->makeKnownLink( $n, $t, 'action=delete' );
1030                 } else {
1031                         $s = '';
1032                 }
1033                 return $s;
1034         }
1035
1036         function protectThisPage() {
1037                 global $wgUser, $wgOut, $wgTitle, $wgRequest;
1038
1039                 $diff = $wgRequest->getVal( 'diff' );
1040                 if ( $wgTitle->getArticleId() && ( ! $diff ) && $wgUser->isAllowed('protect') ) {
1041                         $n = $wgTitle->getPrefixedText();
1042
1043                         if ( $wgTitle->isProtected() ) {
1044                                 $t = wfMsg( 'unprotectthispage' );
1045                                 $q = 'action=unprotect';
1046                         } else {
1047                                 $t = wfMsg( 'protectthispage' );
1048                                 $q = 'action=protect';
1049                         }
1050                         $s = $this->makeKnownLink( $n, $t, $q );
1051                 } else {
1052                         $s = '';
1053                 }
1054                 return $s;
1055         }
1056
1057         function watchThisPage() {
1058                 global $wgUser, $wgOut, $wgTitle;
1059
1060                 if ( $wgOut->isArticleRelated() ) {
1061                         $n = $wgTitle->getPrefixedText();
1062
1063                         if ( $wgTitle->userIsWatching() ) {
1064                                 $t = wfMsg( 'unwatchthispage' );
1065                                 $q = 'action=unwatch';
1066                         } else {
1067                                 $t = wfMsg( 'watchthispage' );
1068                                 $q = 'action=watch';
1069                         }
1070                         $s = $this->makeKnownLink( $n, $t, $q );
1071                 } else {
1072                         $s = wfMsg( 'notanarticle' );
1073                 }
1074                 return $s;
1075         }
1076
1077         function moveThisPage() {
1078                 global $wgTitle, $wgContLang;
1079
1080                 if ( $wgTitle->userCanEdit() ) {
1081                         $s = $this->makeKnownLink( $wgContLang->specialPage( 'Movepage' ),
1082                           wfMsg( 'movethispage' ), 'target=' . $wgTitle->getPrefixedURL() );
1083                 } // no message if page is protected - would be redundant
1084                 return $s;
1085         }
1086
1087         function historyLink() {
1088                 global $wgTitle;
1089
1090                 $s = $this->makeKnownLink( $wgTitle->getPrefixedText(),
1091                   wfMsg( 'history' ), 'action=history' );
1092                 return $s;
1093         }
1094
1095         function whatLinksHere() {
1096                 global $wgTitle, $wgContLang;
1097
1098                 $s = $this->makeKnownLink( $wgContLang->specialPage( 'Whatlinkshere' ),
1099                   wfMsg( 'whatlinkshere' ), 'target=' . $wgTitle->getPrefixedURL() );
1100                 return $s;
1101         }
1102
1103         function userContribsLink() {
1104                 global $wgTitle, $wgContLang;
1105
1106                 $s = $this->makeKnownLink( $wgContLang->specialPage( 'Contributions' ),
1107                   wfMsg( 'contributions' ), 'target=' . $wgTitle->getPartialURL() );
1108                 return $s;
1109         }
1110
1111         function emailUserLink() {
1112                 global $wgTitle, $wgContLang;
1113
1114                 $s = $this->makeKnownLink( $wgContLang->specialPage( 'Emailuser' ),
1115                   wfMsg( 'emailuser' ), 'target=' . $wgTitle->getPartialURL() );
1116                 return $s;
1117         }
1118
1119         function watchPageLinksLink() {
1120                 global $wgOut, $wgTitle, $wgContLang;
1121
1122                 if ( ! $wgOut->isArticleRelated() ) {
1123                         $s = '(' . wfMsg( 'notanarticle' ) . ')';
1124                 } else {
1125                         $s = $this->makeKnownLink( $wgContLang->specialPage(
1126                           'Recentchangeslinked' ), wfMsg( 'recentchangeslinked' ),
1127                           'target=' . $wgTitle->getPrefixedURL() );
1128                 }
1129                 return $s;
1130         }
1131
1132         function otherLanguages() {
1133                 global $wgOut, $wgContLang, $wgTitle, $wgUseNewInterlanguage;
1134
1135                 $a = $wgOut->getLanguageLinks();
1136                 if ( 0 == count( $a ) ) {
1137                         if ( !$wgUseNewInterlanguage ) return '';
1138                         $ns = $wgContLang->getNsIndex ( $wgTitle->getNamespace () ) ;
1139                         if ( $ns != 0 AND $ns != 1 ) return '' ;
1140                         $pn = 'Intl' ;
1141                         $x = 'mode=addlink&xt='.$wgTitle->getDBkey() ;
1142                         return $this->makeKnownLink( $wgContLang->specialPage( $pn ),
1143                                   wfMsg( 'intl' ) , $x );
1144                         }
1145
1146                 if ( !$wgUseNewInterlanguage ) {
1147                         $s = wfMsg( 'otherlanguages' ) . ': ';
1148                 } else {
1149                         global $wgContLanguageCode ;
1150                         $x = 'mode=zoom&xt='.$wgTitle->getDBkey() ;
1151                         $x .= '&xl='.$wgContLanguageCode ;
1152                         $s =  $this->makeKnownLink( $wgContLang->specialPage( 'Intl' ),
1153                                   wfMsg( 'otherlanguages' ) , $x ) . ': ' ;
1154                         }
1155
1156                 $s = wfMsg( 'otherlanguages' ) . ': ';
1157                 $first = true;
1158                 if($wgContLang->isRTL()) $s .= '<span dir="LTR">';
1159                 foreach( $a as $l ) {
1160                         if ( ! $first ) { $s .= ' | '; }
1161                         $first = false;
1162
1163                         $nt = Title::newFromText( $l );
1164                         $url = $nt->getFullURL();
1165                         $text = $wgContLang->getLanguageName( $nt->getInterwiki() );
1166
1167                         if ( '' == $text ) { $text = $l; }
1168                         $style = $this->getExternalLinkAttributes( $l, $text );
1169                         $s .= "<a href=\"{$url}\"{$style}>{$text}</a>";
1170                 }
1171                 if($wgContLang->isRTL()) $s .= '</span>';
1172                 return $s;
1173         }
1174
1175         function bugReportsLink() {
1176                 $s = $this->makeKnownLink( wfMsgForContent( 'bugreportspage' ),
1177                   wfMsg( 'bugreports' ) );
1178                 return $s;
1179         }
1180
1181         function dateLink() {
1182                 global $wgLinkCache;
1183                 $t1 = Title::newFromText( gmdate( 'F j' ) );
1184                 $t2 = Title::newFromText( gmdate( 'Y' ) );
1185
1186                 $wgLinkCache->suspend();
1187                 $id = $t1->getArticleID();
1188                 $wgLinkCache->resume();
1189
1190                 if ( 0 == $id ) {
1191                         $s = $this->makeBrokenLink( $t1->getText() );
1192                 } else {
1193                         $s = $this->makeKnownLink( $t1->getText() );
1194                 }
1195                 $s .= ', ';
1196
1197                 $wgLinkCache->suspend();
1198                 $id = $t2->getArticleID();
1199                 $wgLinkCache->resume();
1200
1201                 if ( 0 == $id ) {
1202                         $s .= $this->makeBrokenLink( $t2->getText() );
1203                 } else {
1204                         $s .= $this->makeKnownLink( $t2->getText() );
1205                 }
1206                 return $s;
1207         }
1208
1209         function talkLink() {
1210                 global $wgContLang, $wgTitle, $wgLinkCache;
1211
1212                 $tns = $wgTitle->getNamespace();
1213                 if ( -1 == $tns ) { return ''; }
1214
1215                 $pn = $wgTitle->getText();
1216                 $tp = wfMsg( 'talkpage' );
1217                 if ( Namespace::isTalk( $tns ) ) {
1218                         $lns = Namespace::getSubject( $tns );
1219                         switch($tns) {
1220                                 case 1:
1221                                 $text = wfMsg('articlepage');
1222                                 break;
1223                                 case 3:
1224                                 $text = wfMsg('userpage');
1225                                 break;
1226                                 case 5:
1227                                 $text = wfMsg('wikipediapage');
1228                                 break;
1229                                 case 7:
1230                                 $text = wfMsg('imagepage');
1231                                 break;
1232                                 default:
1233                                 $text= wfMsg('articlepage');
1234                         }
1235                 } else {
1236
1237                         $lns = Namespace::getTalk( $tns );
1238                         $text=$tp;
1239                 }
1240                 $n = $wgContLang->getNsText( $lns );
1241                 if ( '' == $n ) { $link = $pn; }
1242                 else { $link = $n.':'.$pn; }
1243
1244                 $wgLinkCache->suspend();
1245                 $s = $this->makeLink( $link, $text );
1246                 $wgLinkCache->resume();
1247
1248                 return $s;
1249         }
1250
1251         function commentLink() {
1252                 global $wgContLang, $wgTitle, $wgLinkCache;
1253
1254                 $tns = $wgTitle->getNamespace();
1255                 if ( -1 == $tns ) { return ''; }
1256
1257                 $lns = ( Namespace::isTalk( $tns ) ) ? $tns : Namespace::getTalk( $tns );
1258
1259                 # assert Namespace::isTalk( $lns )
1260
1261                 $n = $wgContLang->getNsText( $lns );
1262                 $pn = $wgTitle->getText();
1263
1264                 $link = $n.':'.$pn;
1265
1266                 $wgLinkCache->suspend();
1267                 $s = $this->makeKnownLink($link, wfMsg('postcomment'), 'action=edit&section=new');
1268                 $wgLinkCache->resume();
1269
1270                 return $s;
1271         }
1272
1273         /**
1274          * After all the page content is transformed into HTML, it makes
1275          * a final pass through here for things like table backgrounds.
1276          * @todo probably deprecated [AV]
1277          */
1278         function transformContent( $text ) {
1279                 return $text;
1280         }
1281
1282         /**
1283          * Note: This function MUST call getArticleID() on the link,
1284          * otherwise the cache won't get updated properly.  See LINKCACHE.DOC.
1285          */
1286         function makeLink( $title, $text = '', $query = '', $trail = '' ) {
1287                 wfProfileIn( 'Skin::makeLink' );
1288                 $nt = Title::newFromText( $title );
1289                 if ($nt) {
1290                         $result = $this->makeLinkObj( Title::newFromText( $title ), $text, $query, $trail );
1291                 } else {
1292                         wfDebug( 'Invalid title passed to Skin::makeLink(): "'.$title."\"\n" );
1293                         $result = $text == "" ? $title : $text;
1294                 }
1295
1296                 wfProfileOut( 'Skin::makeLink' );
1297                 return $result;
1298         }
1299
1300         function makeKnownLink( $title, $text = '', $query = '', $trail = '', $prefix = '',$aprops = '') {
1301                 $nt = Title::newFromText( $title );
1302                 if ($nt) {
1303                         return $this->makeKnownLinkObj( Title::newFromText( $title ), $text, $query, $trail, $prefix , $aprops );
1304                 } else {
1305                         wfDebug( 'Invalid title passed to Skin::makeKnownLink(): "'.$title."\"\n" );
1306                         return $text == '' ? $title : $text;
1307                 }
1308         }
1309
1310         function makeBrokenLink( $title, $text = '', $query = '', $trail = '' ) {
1311                 $nt = Title::newFromText( $title );
1312                 if ($nt) {
1313                         return $this->makeBrokenLinkObj( Title::newFromText( $title ), $text, $query, $trail );
1314                 } else {
1315                         wfDebug( 'Invalid title passed to Skin::makeBrokenLink(): "'.$title."\"\n" );
1316                         return $text == '' ? $title : $text;
1317                 }
1318         }
1319
1320         function makeStubLink( $title, $text = '', $query = '', $trail = '' ) {
1321                 $nt = Title::newFromText( $title );
1322                 if ($nt) {
1323                         return $this->makeStubLinkObj( Title::newFromText( $title ), $text, $query, $trail );
1324                 } else {
1325                         wfDebug( 'Invalid title passed to Skin::makeStubLink(): "'.$title."\"\n" );
1326                         return $text == '' ? $title : $text;
1327                 }
1328         }
1329
1330         /**
1331          * Pass a title object, not a title string
1332          */
1333         function makeLinkObj( &$nt, $text= '', $query = '', $trail = '', $prefix = '' ) {
1334                 global $wgOut, $wgUser, $wgLinkHolders;
1335                 $fname = 'Skin::makeLinkObj';
1336
1337                 # Fail gracefully
1338                 if ( ! isset($nt) ) {
1339                         # wfDebugDieBacktrace();
1340                         return "<!-- ERROR -->{$prefix}{$text}{$trail}";
1341                 }
1342
1343                 if ( $nt->isExternal() ) {
1344                         $u = $nt->getFullURL();
1345                         $link = $nt->getPrefixedURL();
1346                         if ( '' == $text ) { $text = $nt->getPrefixedText(); }
1347                         $style = $this->getExternalLinkAttributes( $link, $text, 'extiw' );
1348
1349                         $inside = '';
1350                         if ( '' != $trail ) {
1351                                 if ( preg_match( '/^([a-z]+)(.*)$$/sD', $trail, $m ) ) {
1352                                         $inside = $m[1];
1353                                         $trail = $m[2];
1354                                 }
1355                         }
1356                         # Assume $this->postParseLinkColour(). This prevents
1357                         # interwiki links from being parsed as external links.
1358                         global $wgInterwikiLinkHolders;
1359                         $t = "<a href=\"{$u}\"{$style}>{$text}{$inside}</a>";
1360                         $nr = array_push($wgInterwikiLinkHolders, $t);
1361                         $retVal = '<!--IWLINK '. ($nr-1) ."-->{$trail}";
1362                 } elseif ( 0 == $nt->getNamespace() && "" == $nt->getText() ) {
1363                         $retVal = $this->makeKnownLinkObj( $nt, $text, $query, $trail, $prefix );
1364                 } elseif ( ( -1 == $nt->getNamespace() ) ||
1365                                 ( NS_IMAGE == $nt->getNamespace() ) ) {
1366                         $retVal = $this->makeKnownLinkObj( $nt, $text, $query, $trail, $prefix );
1367                 } else {
1368                         if ( $this->postParseLinkColour() ) {
1369                                 $inside = '';
1370                                 if ( '' != $trail ) {
1371                                         if ( preg_match( $this->linktrail, $trail, $m ) ) {
1372                                                 $inside = $m[1];
1373                                                 $trail = $m[2];
1374                                         }
1375                                 }
1376
1377                                 # Allows wiki to bypass using linkcache, see OutputPage::parseLinkHolders()
1378                                 $nr = array_push( $wgLinkHolders['namespaces'], $nt->getNamespace() );
1379                                 $wgLinkHolders['dbkeys'][] = $nt->getDBkey();
1380                                 $wgLinkHolders['queries'][] = $query;
1381                                 $wgLinkHolders['texts'][] = $prefix.$text.$inside;
1382                                 $wgLinkHolders['titles'][] = $nt;
1383
1384                                 $retVal = '<!--LINK '. ($nr-1) ."-->{$trail}";
1385                         } else {
1386                                 # Work out link colour immediately
1387                                 $aid = $nt->getArticleID() ;
1388                                 if ( 0 == $aid ) {
1389                                         $retVal = $this->makeBrokenLinkObj( $nt, $text, $query, $trail, $prefix );
1390                                 } else {
1391                                         $threshold = $wgUser->getOption('stubthreshold') ;
1392                                         if ( $threshold > 0 ) {
1393                                                 $dbr =& wfGetDB( DB_SLAVE );
1394                                                 $s = $dbr->selectRow( 'cur', array( 'LENGTH(cur_text) AS x', 'cur_namespace',
1395                                                         'cur_is_redirect' ), array( 'cur_id' => $aid ), $fname ) ;
1396                                                 if ( $s !== false ) {
1397                                                         $size = $s->x;
1398                                                         if ( $s->cur_is_redirect OR $s->cur_namespace != 0 ) {
1399                                                                 $size = $threshold*2 ; # Really big
1400                                                         }
1401                                                         $dbr->freeResult( $res );
1402                                                 } else {
1403                                                         $size = $threshold*2 ; # Really big
1404                                                 }
1405                                         } else {
1406                                                 $size = 1 ;
1407                                         }
1408                                         if ( $size < $threshold ) {
1409                                                 $retVal = $this->makeStubLinkObj( $nt, $text, $query, $trail, $prefix );
1410                                         } else {
1411                                                 $retVal = $this->makeKnownLinkObj( $nt, $text, $query, $trail, $prefix );
1412                                         }
1413                                 }
1414                         }
1415                 }
1416                 return $retVal;
1417         }
1418
1419         /**
1420          * Pass a title object, not a title string
1421          */
1422         function makeKnownLinkObj( &$nt, $text = '', $query = '', $trail = '', $prefix = '' , $aprops = '' ) {
1423                 global $wgOut, $wgTitle, $wgInputEncoding;
1424
1425                 $fname = 'Skin::makeKnownLinkObj';
1426                 wfProfileIn( $fname );
1427
1428                 if ( !is_object( $nt ) ) {
1429                         return $text;
1430                 }
1431                 $link = $nt->getPrefixedURL();
1432 #               if ( '' != $section && substr($section,0,1) != "#" ) {
1433 #                       $section = ''
1434
1435                 if ( '' == $link ) {
1436                         $u = '';
1437                         if ( '' == $text ) {
1438                                 $text = htmlspecialchars( $nt->getFragment() );
1439                         }
1440                 } else {
1441                         $u = $nt->escapeLocalURL( $query );
1442                 }
1443                 if ( '' != $nt->getFragment() ) {
1444                         $anchor = urlencode( do_html_entity_decode( str_replace(' ', '_', $nt->getFragment()), ENT_COMPAT, $wgInputEncoding ) );
1445                         $replacearray = array(
1446                                 '%3A' => ':',
1447                                 '%' => '.'
1448                         );
1449                         $u .= '#' . str_replace(array_keys($replacearray),array_values($replacearray),$anchor);
1450                 }
1451                 if ( '' == $text ) {
1452                         $text = htmlspecialchars( $nt->getPrefixedText() );
1453                 }
1454                 $style = $this->getInternalLinkAttributesObj( $nt, $text );
1455
1456                 $inside = '';
1457                 if ( '' != $trail ) {
1458                         if ( preg_match( $this->linktrail, $trail, $m ) ) {
1459                                 $inside = $m[1];
1460                                 $trail = $m[2];
1461                         }
1462                 }
1463                 $r = "<a href=\"{$u}\"{$style}{$aprops}>{$prefix}{$text}{$inside}</a>{$trail}";
1464                 wfProfileOut( $fname );
1465                 return $r;
1466         }
1467
1468         /**
1469          * Pass a title object, not a title string
1470          */
1471         function makeBrokenLinkObj( &$nt, $text = '', $query = '', $trail = '', $prefix = '' ) {
1472                 global $wgOut, $wgUser;
1473
1474                 # Fail gracefully
1475                 if ( ! isset($nt) ) {
1476                         # wfDebugDieBacktrace();
1477                         return "<!-- ERROR -->{$prefix}{$text}{$trail}";
1478                 }
1479
1480                 $fname = 'Skin::makeBrokenLinkObj';
1481                 wfProfileIn( $fname );
1482
1483                 if ( '' == $query ) {
1484                         $q = 'action=edit';
1485                 } else {
1486                         $q = 'action=edit&'.$query;
1487                 }
1488                 $u = $nt->escapeLocalURL( $q );
1489
1490                 if ( '' == $text ) {
1491                         $text = htmlspecialchars( $nt->getPrefixedText() );
1492                 }
1493                 $style = $this->getInternalLinkAttributesObj( $nt, $text, "yes" );
1494
1495                 $inside = '';
1496                 if ( '' != $trail ) {
1497                         if ( preg_match( $this->linktrail, $trail, $m ) ) {
1498                                 $inside = $m[1];
1499                                 $trail = $m[2];
1500                         }
1501                 }
1502                 if ( $wgUser->getOption( 'highlightbroken' ) ) {
1503                         $s = "<a href=\"{$u}\"{$style}>{$prefix}{$text}{$inside}</a>{$trail}";
1504                 } else {
1505                         $s = "{$prefix}{$text}{$inside}<a href=\"{$u}\"{$style}>?</a>{$trail}";
1506                 }
1507
1508                 wfProfileOut( $fname );
1509                 return $s;
1510         }
1511
1512         /**
1513          * Pass a title object, not a title string
1514          */
1515         function makeStubLinkObj( &$nt, $text = '', $query = '', $trail = '', $prefix = '' ) {
1516                 global $wgOut, $wgUser;
1517
1518                 $link = $nt->getPrefixedURL();
1519
1520                 $u = $nt->escapeLocalURL( $query );
1521
1522                 if ( '' == $text ) {
1523                         $text = htmlspecialchars( $nt->getPrefixedText() );
1524                 }
1525                 $style = $this->getInternalLinkAttributesObj( $nt, $text, 'stub' );
1526
1527                 $inside = '';
1528                 if ( '' != $trail ) {
1529                         if ( preg_match( $this->linktrail, $trail, $m ) ) {
1530                                 $inside = $m[1];
1531                                 $trail = $m[2];
1532                         }
1533                 }
1534                 if ( $wgUser->getOption( 'highlightbroken' ) ) {
1535                         $s = "<a href=\"{$u}\"{$style}>{$prefix}{$text}{$inside}</a>{$trail}";
1536                 } else {
1537                         $s = "{$prefix}{$text}{$inside}<a href=\"{$u}\"{$style}>!</a>{$trail}";
1538                 }
1539                 return $s;
1540         }
1541
1542         function makeSelfLinkObj( &$nt, $text = '', $query = '', $trail = '', $prefix = '' ) {
1543                 $u = $nt->escapeLocalURL( $query );
1544                 if ( '' == $text ) {
1545                         $text = htmlspecialchars( $nt->getPrefixedText() );
1546                 }
1547                 $inside = '';
1548                 if ( '' != $trail ) {
1549                         if ( preg_match( $this->linktrail, $trail, $m ) ) {
1550                                 $inside = $m[1];
1551                                 $trail = $m[2];
1552                         }
1553                 }
1554                 return "<strong>{$prefix}{$text}{$inside}</strong>{$trail}";
1555         }
1556
1557         /* these are used extensively in SkinPHPTal, but also some other places */
1558         /*static*/ function makeSpecialUrl( $name, $urlaction='' ) {
1559                 $title = Title::makeTitle( NS_SPECIAL, $name );
1560                 $this->checkTitle($title, $name);
1561                 return $title->getLocalURL( $urlaction );
1562         }
1563         /*static*/ function makeTalkUrl ( $name, $urlaction='' ) {
1564                 $title = Title::newFromText( $name );
1565                 $title = $title->getTalkPage();
1566                 $this->checkTitle($title, $name);
1567                 return $title->getLocalURL( $urlaction );
1568         }
1569         /*static*/ function makeArticleUrl ( $name, $urlaction='' ) {
1570                 $title = Title::newFromText( $name );
1571                 $title= $title->getSubjectPage();
1572                 $this->checkTitle($title, $name);
1573                 return $title->getLocalURL( $urlaction );
1574         }
1575         /*static*/ function makeI18nUrl ( $name, $urlaction='' ) {
1576                 $title = Title::newFromText( wfMsgForContent($name) );
1577                 $this->checkTitle($title, $name);
1578                 return $title->getLocalURL( $urlaction );
1579         }
1580         /*static*/ function makeUrl ( $name, $urlaction='' ) {
1581                 $title = Title::newFromText( $name );
1582                 $this->checkTitle($title, $name);
1583                 return $title->getLocalURL( $urlaction );
1584         }
1585
1586         # If url string starts with http, consider as external URL, else
1587         # internal
1588         /*static*/ function makeInternalOrExternalUrl( $name ) {
1589                 if ( strncmp( $name, 'http', 4 ) == 0 ) {
1590                         return $name;
1591                 } else {
1592                         return $this->makeUrl( $name );
1593                 }
1594         }
1595
1596         # this can be passed the NS number as defined in Language.php
1597         /*static*/ function makeNSUrl( $name, $urlaction='', $namespace=0 ) {
1598                 $title = Title::makeTitleSafe( $namespace, $name );
1599                 $this->checkTitle($title, $name);
1600                 return $title->getLocalURL( $urlaction );
1601         }
1602
1603         /* these return an array with the 'href' and boolean 'exists' */
1604         /*static*/ function makeUrlDetails ( $name, $urlaction='' ) {
1605                 $title = Title::newFromText( $name );
1606                 $this->checkTitle($title, $name);
1607                 return array(
1608                         'href' => $title->getLocalURL( $urlaction ),
1609                         'exists' => $title->getArticleID() != 0?true:false
1610                 );
1611         }
1612         /*static*/ function makeTalkUrlDetails ( $name, $urlaction='' ) {
1613                 $title = Title::newFromText( $name );
1614                 $title = $title->getTalkPage();
1615                 $this->checkTitle($title, $name);
1616                 return array(
1617                         'href' => $title->getLocalURL( $urlaction ),
1618                         'exists' => $title->getArticleID() != 0?true:false
1619                 );
1620         }
1621         /*static*/ function makeArticleUrlDetails ( $name, $urlaction='' ) {
1622                 $title = Title::newFromText( $name );
1623                 $title= $title->getSubjectPage();
1624                 $this->checkTitle($title, $name);
1625                 return array(
1626                         'href' => $title->getLocalURL( $urlaction ),
1627                         'exists' => $title->getArticleID() != 0?true:false
1628                 );
1629         }
1630         /*static*/ function makeI18nUrlDetails ( $name, $urlaction='' ) {
1631                 $title = Title::newFromText( wfMsgForContent($name) );
1632                 $this->checkTitle($title, $name);
1633                 return array(
1634                         'href' => $title->getLocalURL( $urlaction ),
1635                         'exists' => $title->getArticleID() != 0?true:false
1636                 );
1637         }
1638
1639         # make sure we have some title to operate on
1640         /*static*/ function checkTitle ( &$title, &$name ) {
1641                 if(!is_object($title)) {
1642                         $title = Title::newFromText( $name );
1643                         if(!is_object($title)) {
1644                                 $title = Title::newFromText( '--error: link target missing--' );
1645                         }
1646                 }
1647         }
1648
1649         function fnamePart( $url ) {
1650                 $basename = strrchr( $url, '/' );
1651                 if ( false === $basename ) {
1652                         $basename = $url;
1653                 } else {
1654                         $basename = substr( $basename, 1 );
1655                 }
1656                 return htmlspecialchars( $basename );
1657         }
1658
1659         function makeImage( $url, $alt = '' ) {
1660                 global $wgOut;
1661                 if ( '' == $alt ) {
1662                         $alt = $this->fnamePart( $url );
1663                 }
1664                 $s = '<img src="'.$url.'" alt="'.$alt.'" />';
1665                 return $s;
1666         }
1667
1668         function makeImageLink( $name, $url, $alt = '' ) {
1669                 $nt = Title::makeTitleSafe( NS_IMAGE, $name );
1670                 return $this->makeImageLinkObj( $nt, $alt );
1671         }
1672
1673         function makeImageLinkObj( $nt, $alt = '' ) {
1674                 global $wgContLang, $wgUseImageResize;
1675                 $img   = Image::newFromTitle( $nt );
1676                 $url   = $img->getViewURL();
1677
1678                 $align = '';
1679                 $prefix = $postfix = '';
1680
1681                 # Check if the alt text is of the form "options|alt text"
1682                 # Options are:
1683                 #  * thumbnail          make a thumbnail with enlarge-icon and caption, alignment depends on lang
1684                 #  * left               no resizing, just left align. label is used for alt= only
1685                 #  * right              same, but right aligned
1686                 #  * none               same, but not aligned
1687                 #  * ___px              scale to ___ pixels width, no aligning. e.g. use in taxobox
1688                 #  * center             center the image
1689                 #  * framed             Keep original image size, no magnify-button.
1690
1691                 $part = explode( '|', $alt);
1692
1693                 $mwThumb  =& MagicWord::get( MAG_IMG_THUMBNAIL );
1694                 $mwLeft   =& MagicWord::get( MAG_IMG_LEFT );
1695                 $mwRight  =& MagicWord::get( MAG_IMG_RIGHT );
1696                 $mwNone   =& MagicWord::get( MAG_IMG_NONE );
1697                 $mwWidth  =& MagicWord::get( MAG_IMG_WIDTH );
1698                 $mwCenter =& MagicWord::get( MAG_IMG_CENTER );
1699                 $mwFramed =& MagicWord::get( MAG_IMG_FRAMED );
1700                 $alt = '';
1701
1702                 $height = $framed = $thumb = false;
1703                 $manual_thumb = "" ;
1704
1705                 foreach( $part as $key => $val ) {
1706                         $val_parts = explode ( "=" , $val , 2 ) ;
1707                         $left_part = array_shift ( $val_parts ) ;
1708                         if ( $wgUseImageResize && ! is_null( $mwThumb->matchVariableStartToEnd($val) ) ) {
1709                                 $thumb=true;
1710                         } elseif ( $wgUseImageResize && count ( $val_parts ) == 1 && ! is_null( $mwThumb->matchVariableStartToEnd($left_part) ) ) {
1711                                 # use manually specified thumbnail
1712                                 $thumb=true;
1713                                 $manual_thumb = array_shift ( $val_parts ) ;
1714                         } elseif ( ! is_null( $mwRight->matchVariableStartToEnd($val) ) ) {
1715                                 # remember to set an alignment, don't render immediately
1716                                 $align = 'right';
1717                         } elseif ( ! is_null( $mwLeft->matchVariableStartToEnd($val) ) ) {
1718                                 # remember to set an alignment, don't render immediately
1719                                 $align = 'left';
1720                         } elseif ( ! is_null( $mwCenter->matchVariableStartToEnd($val) ) ) {
1721                                 # remember to set an alignment, don't render immediately
1722                                 $align = 'center';
1723                         } elseif ( ! is_null( $mwNone->matchVariableStartToEnd($val) ) ) {
1724                                 # remember to set an alignment, don't render immediately
1725                                 $align = 'none';
1726                         } elseif ( $wgUseImageResize && ! is_null( $match = $mwWidth->matchVariableStartToEnd($val) ) ) {
1727                                 # $match is the image width in pixels
1728                                 if ( preg_match( '/^([0-9]*)x([0-9]*)$/', $match, $m ) ) {
1729                                         $width = intval( $m[1] );
1730                                         $height = intval( $m[2] );
1731                                 } else {
1732                                         $width = intval($match);
1733                                 }
1734                         } elseif ( ! is_null( $mwFramed->matchVariableStartToEnd($val) ) ) {
1735                                 $framed=true;
1736                         } else {
1737                                 $alt = $val;
1738                         }
1739                 }
1740                 if ( 'center' == $align )
1741                 {
1742                         $prefix  = '<div class="center">';
1743                         $postfix = '</div>';
1744                         $align   = 'none';
1745                 }
1746
1747                 if ( $thumb || $framed ) {
1748
1749                         # Create a thumbnail. Alignment depends on language
1750                         # writing direction, # right aligned for left-to-right-
1751                         # languages ("Western languages"), left-aligned
1752                         # for right-to-left-languages ("Semitic languages")
1753                         #
1754                         # If  thumbnail width has not been provided, it is set
1755                         # here to 180 pixels
1756                         if ( $align == '' ) {
1757                                 $align = $wgContLang->isRTL() ? 'left' : 'right';
1758                         }
1759                         if ( ! isset($width) ) {
1760                                 $width = 180;
1761                         }
1762                         return $prefix.$this->makeThumbLinkObj( $img, $alt, $align, $width, $height, $framed, $manual_thumb ).$postfix;
1763
1764                 } elseif ( isset($width) ) {
1765
1766                         # Create a resized image, without the additional thumbnail
1767                         # features
1768
1769                         if (    ( ! $height === false )
1770                              && ( $img->getHeight() * $width / $img->getWidth() > $height ) ) {
1771                                 $width = $img->getWidth() * $height / $img->getHeight();
1772                         }
1773                         if ( '' == $manual_thumb ) $url = $img->createThumb( $width );
1774                 }
1775
1776                 $alt = preg_replace( '/<[^>]*>/', '', $alt );
1777                 $alt = preg_replace('/&(?!:amp;|#[Xx][0-9A-fa-f]+;|#[0-9]+;|[a-zA-Z0-9]+;)/', '&amp;', $alt);
1778                 $alt = str_replace( array('<', '>', '"'), array('&lt;', '&gt;', '&quot;'), $alt );
1779
1780                 $u = $nt->escapeLocalURL();
1781                 if ( $url == '' ) {
1782                         $s = wfMsg( 'missingimage', $img->getName() );
1783                         $s .= "<br>{$alt}<br>{$url}<br>\n";
1784                 } else {
1785                         $s = '<a href="'.$u.'" class="image" title="'.$alt.'">' .
1786                                  '<img src="'.$url.'" alt="'.$alt.'" longdesc="'.$u.'" /></a>';
1787                 }
1788                 if ( '' != $align ) {
1789                         $s = "<div class=\"float{$align}\"><span>{$s}</span></div>";
1790                 }
1791                 return str_replace("\n", ' ',$prefix.$s.$postfix);
1792         }
1793
1794         /**
1795          * Make HTML for a thumbnail including image, border and caption
1796          * $img is an Image object
1797          */
1798         function makeThumbLinkObj( $img, $label = '', $align = 'right', $boxwidth = 180, $boxheight=false, $framed=false , $manual_thumb = "" ) {
1799                 global $wgStylePath, $wgContLang;
1800                 # $image = Title::makeTitleSafe( NS_IMAGE, $name );
1801                 $url  = $img->getViewURL();
1802
1803                 #$label = htmlspecialchars( $label );
1804                 $alt = preg_replace( '/<[^>]*>/', '', $label);
1805                 $alt = preg_replace('/&(?!:amp;|#[Xx][0-9A-fa-f]+;|#[0-9]+;|[a-zA-Z0-9]+;)/', '&amp;', $alt);
1806                 $alt = str_replace( array('<', '>', '"'), array('&lt;', '&gt;', '&quot;'), $alt );
1807
1808                 $width = $height = 0;
1809                 if ( $img->exists() )
1810                 {
1811                         $width  = $img->getWidth();
1812                         $height = $img->getHeight();
1813                 }
1814                 if ( 0 == $width || 0 == $height )
1815                 {
1816                         $width = $height = 200;
1817                 }
1818                 if ( $boxwidth == 0 )
1819                 {
1820                         $boxwidth = 200;
1821                 }
1822                 if ( $framed )
1823                 {
1824                         // Use image dimensions, don't scale
1825                         $boxwidth  = $width;
1826                         $oboxwidth = $boxwidth + 2;
1827                         $boxheight = $height;
1828                         $thumbUrl  = $url;
1829                 } else {
1830                         $h  = intval( $height/($width/$boxwidth) );
1831                         $oboxwidth = $boxwidth + 2;
1832                         if ( ( ! $boxheight === false ) &&  ( $h > $boxheight ) )
1833                         {
1834                                 $boxwidth *= $boxheight/$h;
1835                         } else {
1836                                 $boxheight = $h;
1837                         }
1838                         if ( '' == $manual_thumb ) $thumbUrl = $img->createThumb( $boxwidth );
1839                 }
1840
1841                 if ( $manual_thumb != '' ) # Use manually specified thumbnail
1842                 {
1843                         $manual_title = Title::makeTitleSafe( NS_IMAGE, $manual_thumb ); #new Title ( $manual_thumb ) ;
1844                         $manual_img = Image::newFromTitle( $manual_title );
1845                         $thumbUrl = $manual_img->getViewURL();
1846                         if ( $manual_img->exists() )
1847                         {
1848                                 $width  = $manual_img->getWidth();
1849                                 $height = $manual_img->getHeight();
1850                                 $boxwidth = $width ;
1851                                 $boxheight = $height ;
1852                                 $oboxwidth = $boxwidth + 2 ;
1853                         }
1854                 }
1855
1856                 $u = $img->getEscapeLocalURL();
1857
1858                 $more = htmlspecialchars( wfMsg( 'thumbnail-more' ) );
1859                 $magnifyalign = $wgContLang->isRTL() ? 'left' : 'right';
1860                 $textalign = $wgContLang->isRTL() ? ' style="text-align:right"' : '';
1861
1862                 $s = "<div class=\"thumb t{$align}\"><div style=\"width:{$oboxwidth}px;\">";
1863                 if ( $thumbUrl == '' ) {
1864                         $s .= wfMsg( 'missingimage', $img->getName() );
1865                         $zoomicon = '';
1866                 } else {
1867                         $s .= '<a href="'.$u.'" class="internal" title="'.$alt.'">'.
1868                                 '<img src="'.$thumbUrl.'" alt="'.$alt.'" ' .
1869                                 'width="'.$boxwidth.'" height="'.$boxheight.'" ' .
1870                                 'longdesc="'.$u.'" /></a>';
1871                         if ( $framed ) {
1872                                 $zoomicon="";
1873                         } else {
1874                                 $zoomicon =  '<div class="magnify" style="float:'.$magnifyalign.'">'.
1875                                         '<a href="'.$u.'" class="internal" title="'.$more.'">'.
1876                                         '<img src="'.$wgStylePath.'/common/images/magnify-clip.png" ' .
1877                                         'width="15" height="11" alt="'.$more.'" /></a></div>';
1878                         }
1879                 }
1880                 $s .= '  <div class="thumbcaption" '.$textalign.'>'.$zoomicon.$label."</div></div></div>";
1881                 return str_replace("\n", ' ', $s);
1882         }
1883
1884         function makeMediaLink( $name, $url, $alt = '' ) {
1885                 $nt = Title::makeTitleSafe( NS_IMAGE, $name );
1886                 return $this->makeMediaLinkObj( $nt, $alt );
1887         }
1888
1889         function makeMediaLinkObj( $nt, $alt = '', $nourl=false ) {
1890                 if ( ! isset( $nt ) )
1891                 {
1892                         ### HOTFIX. Instead of breaking, return empty string.
1893                         $s = $alt;
1894                 } else {
1895                         $name = $nt->getDBKey();
1896                         $img   = Image::newFromTitle( $nt );
1897                         $url = $img->getURL();
1898                         # $nourl can be set by the parser
1899                         # this is a hack to mask absolute URLs, so the parser doesn't
1900                         # linkify them (it is currently not context-aware)
1901                         # 2004-10-25
1902                         if ($nourl) { $url=str_replace("http://","http-noparse://",$url) ; }
1903                         if ( empty( $alt ) ) {
1904                                 $alt = preg_replace( '/\.(.+?)^/', '', $name );
1905                         }
1906                         $u = htmlspecialchars( $url );
1907                         $s = "<a href=\"{$u}\" class='internal' title=\"{$alt}\">{$alt}</a>";
1908                 }
1909                 return $s;
1910         }
1911
1912         function specialLink( $name, $key = '' ) {
1913                 global $wgContLang;
1914
1915                 if ( '' == $key ) { $key = strtolower( $name ); }
1916                 $pn = $wgContLang->ucfirst( $name );
1917                 return $this->makeKnownLink( $wgContLang->specialPage( $pn ),
1918                   wfMsg( $key ) );
1919         }
1920
1921         function makeExternalLink( $url, $text, $escape = true ) {
1922                 $style = $this->getExternalLinkAttributes( $url, $text );
1923                 $url = htmlspecialchars( $url );
1924                 if( $escape ) {
1925                         $text = htmlspecialchars( $text );
1926                 }
1927                 return '<a href="'.$url.'"'.$style.'>'.$text.'</a>';
1928         }
1929
1930         # Called by history lists and recent changes
1931         #
1932
1933         # Returns text for the start of the tabular part of RC
1934         function beginRecentChangesList() {
1935                 $this->rc_cache = array() ;
1936                 $this->rcMoveIndex = 0;
1937                 $this->rcCacheIndex = 0 ;
1938                 $this->lastdate = '';
1939                 $this->rclistOpen = false;
1940                 return '';
1941         }
1942
1943         function beginImageHistoryList() {
1944                 $s = "\n<h2>" . wfMsg( 'imghistory' ) . "</h2>\n" .
1945                   "<p>" . wfMsg( 'imghistlegend' ) . "</p>\n".'<ul class="special">';
1946                 return $s;
1947         }
1948
1949         /**
1950          * Returns text for the end of RC
1951          * If enhanced RC is in use, returns pretty much all the text
1952          */
1953         function endRecentChangesList() {
1954                 $s = $this->recentChangesBlock() ;
1955                 if( $this->rclistOpen ) {
1956                         $s .= "</ul>\n";
1957                 }
1958                 return $s;
1959         }
1960
1961         /**
1962          * Enhanced RC ungrouped line
1963          */
1964         function recentChangesBlockLine ( $rcObj ) {
1965                 global $wgStylePath, $wgContLang ;
1966
1967                 # Get rc_xxxx variables
1968                 extract( $rcObj->mAttribs ) ;
1969                 $curIdEq = 'curid='.$rc_cur_id;
1970
1971                 # Spacer image
1972                 $r = '' ;
1973
1974                 $r .= '<img src="'.$wgStylePath.'/common/images/Arr_.png" width="12" height="12" border="0" />' ;
1975                 $r .= '<tt>' ;
1976
1977                 if ( $rc_type == RC_MOVE || $rc_type == RC_MOVE_OVER_REDIRECT ) {
1978                         $r .= '&nbsp;&nbsp;';
1979                 } else {
1980                         # M, N and !
1981                         $M = wfMsg( 'minoreditletter' );
1982                         $N = wfMsg( 'newpageletter' );
1983
1984                         if ( $rc_type == RC_NEW ) {
1985                                 $r .= $N ;
1986                         } else {
1987                                 $r .= '&nbsp;' ;
1988                         }
1989                         if ( $rc_minor ) {
1990                                 $r .= $M ;
1991                         } else {
1992                                 $r .= '&nbsp;' ;
1993                         }
1994                         if ( $rcObj->unpatrolled ) {
1995                                 $r .= '!';
1996                         } else {
1997                                 $r .= '&nbsp;';
1998                         }
1999                 }
2000
2001                 # Timestamp
2002                 $r .= ' '.$rcObj->timestamp.' ' ;
2003                 $r .= '</tt>' ;
2004
2005                 # Article link
2006                 $link = $rcObj->link ;
2007                 if ( $rcObj->watched ) $link = '<strong>'.$link.'</strong>' ;
2008                 $r .= $link ;
2009
2010                 # Diff
2011                 $r .= ' (' ;
2012                 $r .= $rcObj->difflink ;
2013                 $r .= '; ' ;
2014
2015                 # Hist
2016                 $r .= $this->makeKnownLinkObj( $rcObj->getTitle(), wfMsg( 'hist' ), $curIdEq.'&action=history' );
2017
2018                 # User/talk
2019                 $r .= ') . . '.$rcObj->userlink ;
2020                 $r .= $rcObj->usertalklink ;
2021
2022                 # Comment
2023                  if ( $rc_comment != '' && $rc_type != RC_MOVE && $rc_type != RC_MOVE_OVER_REDIRECT ) {
2024                         $rc_comment=$this->formatComment($rc_comment, $rcObj->getTitle());
2025                         $r .= $wgContLang->emphasize( ' ('.$rc_comment.')' );
2026                 }
2027
2028                 $r .= "<br />\n" ;
2029                 return $r ;
2030         }
2031
2032         /**
2033          * Enhanced RC group
2034          */
2035         function recentChangesBlockGroup ( $block ) {
2036                 global $wgStylePath, $wgContLang ;
2037
2038                 $r = '' ;
2039                 $M = wfMsg( 'minoreditletter' );
2040                 $N = wfMsg( 'newpageletter' );
2041
2042                 # Collate list of users
2043                 $isnew = false ;
2044                 $unpatrolled = false;
2045                 $userlinks = array () ;
2046                 foreach ( $block AS $rcObj ) {
2047                         $oldid = $rcObj->mAttribs['rc_last_oldid'];
2048                         if ( $rcObj->mAttribs['rc_new'] ) {
2049                                 $isnew = true ;
2050                         }
2051                         $u = $rcObj->userlink ;
2052                         if ( !isset ( $userlinks[$u] ) ) {
2053                                 $userlinks[$u] = 0 ;
2054                         }
2055                         if ( $rcObj->unpatrolled ) {
2056                                 $unpatrolled = true;
2057                         }
2058                         $userlinks[$u]++ ;
2059                 }
2060
2061                 # Sort the list and convert to text
2062                 krsort ( $userlinks ) ;
2063                 asort ( $userlinks ) ;
2064                 $users = array () ;
2065                 foreach ( $userlinks as $userlink => $count) {
2066                         $text = $userlink ;
2067                         if ( $count > 1 ) $text .= " ({$count}&times;)" ;
2068                         array_push ( $users , $text ) ;
2069                 }
2070                 $users = ' <font size="-1">['.implode('; ',$users).']</font>' ;
2071
2072                 # Arrow
2073                 $rci = 'RCI'.$this->rcCacheIndex ;
2074                 $rcl = 'RCL'.$this->rcCacheIndex ;
2075                 $rcm = 'RCM'.$this->rcCacheIndex ;
2076                 $toggleLink = "javascript:toggleVisibility('$rci','$rcm','$rcl')" ;
2077                 $arrowdir = $wgContLang->isRTL() ? 'l' : 'r';
2078                 $tl  = '<span id="'.$rcm.'"><a href="'.$toggleLink.'"><img src="'.$wgStylePath.'/common/images/Arr_'.$arrowdir.'.png" width="12" height="12" alt="+" /></a></span>' ;
2079                 $tl .= '<span id="'.$rcl.'" style="display:none"><a href="'.$toggleLink.'"><img src="'.$wgStylePath.'/common/images/Arr_d.png" width="12" height="12" alt="-" /></a></span>' ;
2080                 $r .= $tl ;
2081
2082                 # Main line
2083                 # M/N
2084                 $r .= '<tt>' ;
2085                 if ( $isnew ) $r .= $N ;
2086                 else $r .= '&nbsp;' ;
2087                 $r .= '&nbsp;' ; # Minor
2088                 if ( $unpatrolled ) {
2089                         $r .= "!";
2090                 } else {
2091                         $r .= "&nbsp;";
2092                 }
2093
2094                 # Timestamp
2095                 $r .= ' '.$block[0]->timestamp.' ' ;
2096                 $r .= '</tt>' ;
2097
2098                 # Article link
2099                 $link = $block[0]->link ;
2100                 if ( $block[0]->watched ) $link = '<strong>'.$link.'</strong>' ;
2101                 $r .= $link ;
2102
2103                 $curIdEq = 'curid=' . $block[0]->mAttribs['rc_cur_id'];
2104                 if ( $block[0]->mAttribs['rc_type'] != RC_LOG ) {
2105                         # Changes
2106                         $r .= ' ('.count($block).' ' ;
2107                         if ( $isnew ) $r .= wfMsg('changes');
2108                         else $r .= $this->makeKnownLinkObj( $block[0]->getTitle() , wfMsg('changes') ,
2109                                 $curIdEq.'&diff=0&oldid='.$oldid ) ;
2110                         $r .= '; ' ;
2111
2112                         # History
2113                         $r .= $this->makeKnownLinkObj( $block[0]->getTitle(), wfMsg( 'history' ), $curIdEq.'&action=history' );
2114                         $r .= ')' ;
2115                 }
2116
2117                 $r .= $users ;
2118                 $r .= "<br />\n" ;
2119
2120                 # Sub-entries
2121                 $r .= '<div id="'.$rci.'" style="display:none">' ;
2122                 foreach ( $block AS $rcObj ) {
2123                         # Get rc_xxxx variables
2124                         extract( $rcObj->mAttribs );
2125
2126                         $r .= '<img src="'.$wgStylePath.'/common/images/Arr_.png" width="12" height="12" />';
2127                         $r .= '<tt>&nbsp; &nbsp; &nbsp; &nbsp;' ;
2128                         if ( $rc_new ) {
2129                                 $r .= $N ;
2130                         } else {
2131                                 $r .= '&nbsp;' ;
2132                         }
2133
2134                         if ( $rc_minor ) {
2135                                 $r .= $M ;
2136                         } else {
2137                                 $r .= '&nbsp;' ;
2138                         }
2139
2140                         if ( $rcObj->unpatrolled ) {
2141                                 $r .= "!";
2142                         } else {
2143                                 $r .= "&nbsp;";
2144                         }
2145
2146                         $r .= '&nbsp;</tt>' ;
2147
2148                         $o = '' ;
2149                         if ( $rc_last_oldid != 0 ) {
2150                                 $o = 'oldid='.$rc_last_oldid ;
2151                         }
2152                         if ( $rc_type == RC_LOG ) {
2153                                 $link = $rcObj->timestamp ;
2154                         } else {
2155                                 $link = $this->makeKnownLinkObj( $rcObj->getTitle(), $rcObj->timestamp , "{$curIdEq}&$o" ) ;
2156                         }
2157                         $link = '<tt>'.$link.'</tt>' ;
2158
2159                         $r .= $link ;
2160                         $r .= ' (' ;
2161                         $r .= $rcObj->curlink ;
2162                         $r .= '; ' ;
2163                         $r .= $rcObj->lastlink ;
2164                         $r .= ') . . '.$rcObj->userlink ;
2165                         $r .= $rcObj->usertalklink ;
2166                         if ( $rc_comment != '' ) {
2167                                 $rc_comment=$this->formatComment($rc_comment, $rcObj->getTitle());
2168                                 $r .= $wgContLang->emphasize( ' ('.$rc_comment.')' ) ;
2169                         }
2170                         $r .= "<br />\n" ;
2171                 }
2172                 $r .= "</div>\n" ;
2173
2174                 $this->rcCacheIndex++ ;
2175                 return $r ;
2176         }
2177
2178         /**
2179          * If enhanced RC is in use, this function takes the previously cached
2180          * RC lines, arranges them, and outputs the HTML
2181          */
2182         function recentChangesBlock () {
2183                 global $wgStylePath ;
2184                 if ( count ( $this->rc_cache ) == 0 ) return '' ;
2185                 $blockOut = '';
2186                 foreach ( $this->rc_cache AS $secureName => $block ) {
2187                         if ( count ( $block ) < 2 ) {
2188                                 $blockOut .= $this->recentChangesBlockLine ( array_shift ( $block ) ) ;
2189                         } else {
2190                                 $blockOut .= $this->recentChangesBlockGroup ( $block ) ;
2191                         }
2192                 }
2193
2194                 return '<div>'.$blockOut.'</div>' ;
2195         }
2196
2197         /**
2198          * Called in a loop over all displayed RC entries
2199          * Either returns the line, or caches it for later use
2200          */
2201         function recentChangesLine( &$rc, $watched = false ) {
2202                 global $wgUser ;
2203                 $usenew = $wgUser->getOption( 'usenewrc' );
2204                 if ( $usenew )
2205                         $line = $this->recentChangesLineNew ( $rc, $watched ) ;
2206                 else
2207                         $line = $this->recentChangesLineOld ( $rc, $watched ) ;
2208                 return $line ;
2209         }
2210
2211         function recentChangesLineOld( &$rc, $watched = false ) {
2212                 global $wgTitle, $wgLang, $wgContLang, $wgUser, $wgRCSeconds, $wgUseRCPatrol, $wgOnlySysopsCanPatrol;
2213
2214                 # Extract DB fields into local scope
2215                 extract( $rc->mAttribs );
2216                 $curIdEq = 'curid=' . $rc_cur_id;
2217
2218                 # Should patrol-related stuff be shown?
2219                 $unpatrolled = $wgUseRCPatrol && $wgUser->getID() != 0 &&
2220                   ( !$wgOnlySysopsCanPatrol || $wgUser->isAllowed('patrol') ) && $rc_patrolled == 0;
2221
2222                 # Make date header if necessary
2223                 $date = $wgContLang->date( $rc_timestamp, true);
2224                 $uidate = $wgLang->date( $rc_timestamp, true);
2225                 $s = '';
2226                 if ( $date != $this->lastdate ) {
2227                         if ( '' != $this->lastdate ) { $s .= "</ul>\n"; }
2228                         $s .= "<h4>{$uidate}</h4>\n<ul class=\"special\">";
2229                         $this->lastdate = $date;
2230                         $this->rclistOpen = true;
2231                 }
2232
2233                 $s .= '<li>';
2234
2235                 if ( $rc_type == RC_MOVE || $rc_type == RC_MOVE_OVER_REDIRECT ) {
2236                         # Diff
2237                         $s .= '(' . wfMsg( 'diff' ) . ') (';
2238                         # Hist
2239                         $s .= $this->makeKnownLinkObj( $rc->getMovedToTitle(), wfMsg( 'hist' ), 'action=history' ) .
2240                                 ') . . ';
2241
2242                         # "[[x]] moved to [[y]]"
2243                         $msg = ( $rc_type == RC_MOVE ) ? '1movedto2' : '1movedto2_redir';
2244                         $s .= wfMsg( $msg, $this->makeKnownLinkObj( $rc->getTitle(), '', 'redirect=no' ),
2245                                 $this->makeKnownLinkObj( $rc->getMovedToTitle(), '' ) );
2246                 } elseif( $rc_namespace == NS_SPECIAL && preg_match( '!^Log/(.*)$!', $rc_title, $matches ) ) {
2247                         # Log updates, etc
2248                         $logtype = $matches[1];
2249                         $logname = LogPage::logName( $logtype );
2250                         $s .= '(' . $this->makeKnownLinkObj( $rc->getTitle(), $logname ) . ')';
2251                 } else {
2252                         # Diff link
2253                         if ( $rc_type == RC_NEW || $rc_type == RC_LOG ) {
2254                                 $diffLink = wfMsg( 'diff' );
2255                         } else {
2256                                 if ( $unpatrolled )
2257                                         $rcidparam = "&rcid={$rc_id}";
2258                                 else
2259                                         $rcidparam = "";
2260                                 $diffLink = $this->makeKnownLinkObj( $rc->getTitle(), wfMsg( 'diff' ),
2261                                   "{$curIdEq}&diff={$rc_this_oldid}&oldid={$rc_last_oldid}{$rcidparam}",
2262                                   '', '', ' tabindex="'.$rc->counter.'"');
2263                         }
2264                         $s .= '('.$diffLink.') (';
2265
2266                         # History link
2267                         $s .= $this->makeKnownLinkObj( $rc->getTitle(), wfMsg( 'hist' ), $curIdEq.'&action=history' );
2268                         $s .= ') . . ';
2269
2270                         # M, N and ! (minor, new and unpatrolled)
2271                         if ( $rc_minor ) { $s .= ' <span class="minor">'.wfMsg( "minoreditletter" ).'</span>'; }
2272                         if ( $rc_type == RC_NEW ) { $s .= '<span class="newpage">'.wfMsg( "newpageletter" ).'</span>'; }
2273                         if ( !$rc_patrolled ) { $s .= ' <span class="unpatrolled">!</span>'; }
2274
2275                         # Article link
2276                         # If it's a new article, there is no diff link, but if it hasn't been
2277                         # patrolled yet, we need to give users a way to do so
2278                         if ( $unpatrolled && $rc_type == RC_NEW )
2279                                 $articleLink = $this->makeKnownLinkObj( $rc->getTitle(), '', "rcid={$rc_id}" );
2280                         else
2281                                 $articleLink = $this->makeKnownLinkObj( $rc->getTitle(), '' );
2282
2283                         if ( $watched ) {
2284                                 $articleLink = '<strong>'.$articleLink.'</strong>';
2285                         }
2286                         $s .= ' '.$articleLink;
2287
2288                 }
2289
2290                 # Timestamp
2291                 $s .= '; ' . $wgLang->time( $rc_timestamp, true, $wgRCSeconds ) . ' . . ';
2292
2293                 # User link (or contributions for unregistered users)
2294                 if ( 0 == $rc_user ) {
2295                         $userLink = $this->makeKnownLink( $wgContLang->specialPage( 'Contributions' ),
2296                         $rc_user_text, 'target=' . $rc_user_text );
2297                 } else {
2298                         $userLink = $this->makeLink( $wgContLang->getNsText( NS_USER ) . ':'.$rc_user_text, $rc_user_text );
2299                 }
2300                 $s .= $userLink;
2301
2302                 # User talk link
2303                 $talkname=$wgContLang->getNsText(NS_TALK); # use the shorter name
2304                 global $wgDisableAnonTalk;
2305                 if( 0 == $rc_user && $wgDisableAnonTalk ) {
2306                         $userTalkLink = '';
2307                 } else {
2308                         $utns=$wgContLang->getNsText(NS_USER_TALK);
2309                         $userTalkLink= $this->makeLink($utns . ':'.$rc_user_text, $talkname );
2310                 }
2311                 # Block link
2312                 $blockLink='';
2313                 if ( ( 0 == $rc_user ) && $wgUser->isAllowed('block') ) {
2314                         $blockLink = $this->makeKnownLink( $wgContLang->specialPage(
2315                           'Blockip' ), wfMsg( 'blocklink' ), 'ip='.$rc_user_text );
2316
2317                 }
2318                 if($blockLink) {
2319                         if($userTalkLink) $userTalkLink .= ' | ';
2320                         $userTalkLink .= $blockLink;
2321                 }
2322                 if($userTalkLink) $s.=' ('.$userTalkLink.')';
2323
2324                 # Add comment
2325                 if ( '' != $rc_comment && '*' != $rc_comment && $rc_type != RC_MOVE && $rc_type != RC_MOVE_OVER_REDIRECT ) {
2326                         $rc_comment=$this->formatComment($rc_comment,$rc->getTitle());
2327                         $s .= $wgContLang->emphasize(' (' . $rc_comment . ')');
2328                 }
2329                 $s .= "</li>\n";
2330
2331                 return $s;
2332         }
2333
2334         function recentChangesLineNew( &$baseRC, $watched = false ) {
2335                 global $wgTitle, $wgLang, $wgContLang, $wgUser, $wgRCSeconds;
2336                 global $wgUseRCPatrol, $wgOnlySysopsCanPatrol;
2337
2338                 # Create a specialised object
2339                 $rc = RCCacheEntry::newFromParent( $baseRC ) ;
2340
2341                 # Extract fields from DB into the function scope (rc_xxxx variables)
2342                 extract( $rc->mAttribs );
2343                 $curIdEq = 'curid=' . $rc_cur_id;
2344
2345                 # If it's a new day, add the headline and flush the cache
2346                 $date = $wgContLang->date( $rc_timestamp, true);
2347                 $uidate = $wgLang->date( $rc_timestamp, true);
2348                 $ret = '';
2349                 if ( $date != $this->lastdate ) {
2350                         # Process current cache
2351                         $ret = $this->recentChangesBlock () ;
2352                         $this->rc_cache = array() ;
2353                         $ret .= "<h4>{$uidate}</h4>\n";
2354                         $this->lastdate = $date;
2355                 }
2356
2357                 # Should patrol-related stuff be shown?
2358                 if ( $wgUseRCPatrol && $wgUser->getID() != 0 &&
2359                   ( !$wgOnlySysopsCanPatrol || $wgUser->isAllowed('patrol') )) {
2360                         $rc->unpatrolled = !$rc_patrolled;
2361                 } else {
2362                         $rc->unpatrolled = false;
2363                 }
2364
2365                 # Make article link
2366                 if ( $rc_type == RC_MOVE || $rc_type == RC_MOVE_OVER_REDIRECT ) {
2367                         $msg = ( $rc_type == RC_MOVE ) ? "1movedto2" : "1movedto2_redir";
2368                         $clink = wfMsg( $msg, $this->makeKnownLinkObj( $rc->getTitle(), '', 'redirect=no' ),
2369                           $this->makeKnownLinkObj( $rc->getMovedToTitle(), '' ) );
2370                 } elseif( $rc_namespace == NS_SPECIAL && preg_match( '!^Log/(.*)$!', $rc_title, $matches ) ) {
2371                         # Log updates, etc
2372                         $logtype = $matches[1];
2373                         $logname = LogPage::logName( $logtype );
2374                         $clink = '(' . $this->makeKnownLinkObj( $rc->getTitle(), $logname ) . ')';
2375                 } elseif ( $rc->unpatrolled && $rc_type == RC_NEW ) {
2376                         # Unpatrolled new page, give rc_id in query
2377                         $clink = $this->makeKnownLinkObj( $rc->getTitle(), '', "rcid={$rc_id}" );
2378                 } else {
2379                         $clink = $this->makeKnownLinkObj( $rc->getTitle(), '' ) ;
2380                 }
2381
2382                 $time = $wgContLang->time( $rc_timestamp, true, $wgRCSeconds );
2383                 $rc->watched = $watched ;
2384                 $rc->link = $clink ;
2385                 $rc->timestamp = $time;
2386
2387                 # Make "cur" and "diff" links
2388                 if ( ( $rc_type == RC_NEW && $rc_this_oldid == 0 ) || $rc_type == RC_LOG || $rc_type == RC_MOVE || $rc_type == RC_MOVE_OVER_REDIRECT ) {
2389                         $curLink = wfMsg( 'cur' );
2390                         $diffLink = wfMsg( 'diff' );
2391                 } else {
2392                         $query = $curIdEq.'&diff=0&oldid='.$rc_this_oldid;
2393                         $aprops = ' tabindex="'.$baseRC->counter.'"';
2394                         $curLink = $this->makeKnownLinkObj( $rc->getTitle(), wfMsg( 'cur' ), $query, '' ,'' , $aprops );
2395                         $diffLink = $this->makeKnownLinkObj( $rc->getTitle(), wfMsg( 'diff'), $query, '' ,'' , $aprops );
2396                 }
2397
2398                 # Make "last" link
2399                 $titleObj = $rc->getTitle();
2400                 if ( $rc->unpatrolled ) {
2401                         $rcIdQuery = "&rcid={$rc_id}";
2402                 } else {
2403                         $rcIdQuery = '';
2404                 }
2405                 if ( $rc_last_oldid == 0 || $rc_type == RC_LOG || $rc_type == RC_MOVE || $rc_type == RC_MOVE_OVER_REDIRECT ) {
2406                         $lastLink = wfMsg( 'last' );
2407                 } else {
2408                         $lastLink = $this->makeKnownLinkObj( $rc->getTitle(), wfMsg( 'last' ),
2409                           $curIdEq.'&diff='.$rc_this_oldid.'&oldid='.$rc_last_oldid . $rcIdQuery );
2410                 }
2411
2412                 # Make user link (or user contributions for unregistered users)
2413                 if ( $rc_user == 0 ) {
2414                         $userLink = $this->makeKnownLink( $wgContLang->specialPage( 'Contributions' ),
2415                         $rc_user_text, 'target=' . $rc_user_text );
2416                 } else {
2417                         $userLink = $this->makeLink( $wgContLang->getNsText(
2418                           Namespace::getUser() ) . ':'.$rc_user_text, $rc_user_text );
2419                 }
2420
2421                 $rc->userlink = $userLink;
2422                 $rc->lastlink = $lastLink;
2423                 $rc->curlink  = $curLink;
2424                 $rc->difflink = $diffLink;
2425
2426                 # Make user talk link
2427                 $utns=$wgContLang->getNsText(NS_USER_TALK);
2428                 $talkname=$wgContLang->getNsText(NS_TALK); # use the shorter name
2429                 $userTalkLink= $this->makeLink($utns . ':'.$rc_user_text, $talkname );
2430
2431                 global $wgDisableAnonTalk;
2432                 if ( ( 0 == $rc_user ) && $wgUser->isAllowed('block') ) {
2433                         $blockLink = $this->makeKnownLink( $wgContLang->specialPage(
2434                           'Blockip' ), wfMsg( 'blocklink' ), 'ip='.$rc_user_text );
2435                         if( $wgDisableAnonTalk )
2436                                 $rc->usertalklink = ' ('.$blockLink.')';
2437                         else
2438                                 $rc->usertalklink = ' ('.$userTalkLink.' | '.$blockLink.')';
2439                 } else {
2440                         if( $wgDisableAnonTalk && ($rc_user == 0) )
2441                                 $rc->usertalklink = '';
2442                         else
2443                                 $rc->usertalklink = ' ('.$userTalkLink.')';
2444                 }
2445
2446                 # Put accumulated information into the cache, for later display
2447                 # Page moves go on their own line
2448                 $title = $rc->getTitle();
2449                 $secureName = $title->getPrefixedDBkey();
2450                 if ( $rc_type == RC_MOVE || $rc_type == RC_MOVE_OVER_REDIRECT ) {
2451                         # Use an @ character to prevent collision with page names
2452                         $this->rc_cache['@@' . ($this->rcMoveIndex++)] = array($rc);
2453                 } else {
2454                         if ( !isset ( $this->rc_cache[$secureName] ) ) $this->rc_cache[$secureName] = array() ;
2455                         array_push ( $this->rc_cache[$secureName] , $rc ) ;
2456                 }
2457                 return $ret;
2458         }
2459
2460         function endImageHistoryList() {
2461                 $s = "</ul>\n";
2462                 return $s;
2463         }
2464
2465         /**
2466          * This function is called by all recent changes variants, by the page history,
2467          * and by the user contributions list. It is responsible for formatting edit
2468          * comments. It escapes any HTML in the comment, but adds some CSS to format
2469          * auto-generated comments (from section editing) and formats [[wikilinks]].
2470          *
2471          * The &$title parameter must be a title OBJECT. It is used to generate a
2472          * direct link to the section in the autocomment.
2473          * @author Erik Moeller <moeller@scireview.de>
2474          *
2475          * Note: there's not always a title to pass to this function.
2476          * Since you can't set a default parameter for a reference, I've turned it
2477          * temporarily to a value pass. Should be adjusted further. --brion
2478          */
2479         function formatComment($comment, $title = NULL) {
2480                 global $wgContLang;
2481                 $comment = htmlspecialchars( $comment );
2482
2483                 # The pattern for autogen comments is / * foo * /, which makes for
2484                 # some nasty regex.
2485                 # We look for all comments, match any text before and after the comment,
2486                 # add a separator where needed and format the comment itself with CSS
2487                 while (preg_match('/(.*)\/\*\s*(.*?)\s*\*\/(.*)/', $comment,$match)) {
2488                         $pre=$match[1];
2489                         $auto=$match[2];
2490                         $post=$match[3];
2491                         $link='';
2492                         if($title) {
2493                                 $section=$auto;
2494
2495                                 # This is hackish but should work in most cases.
2496                                 $section=str_replace('[[','',$section);
2497                                 $section=str_replace(']]','',$section);
2498                                 $title->mFragment=$section;
2499                                 $link=$this->makeKnownLinkObj($title,wfMsg('sectionlink'));
2500                         }
2501                         $sep='-';
2502                         $auto=$link.$auto;
2503                         if($pre) { $auto = $sep.' '.$auto; }
2504                         if($post) { $auto .= ' '.$sep; }
2505                         $auto='<span class="autocomment">'.$auto.'</span>';
2506                         $comment=$pre.$auto.$post;
2507                 }
2508
2509                 # format regular and media links - all other wiki formatting
2510                 # is ignored
2511                 $medians = $wgContLang->getNsText(Namespace::getMedia()).':';
2512                 while(preg_match('/\[\[(.*?)(\|(.*?))*\]\](.*)$/',$comment,$match)) {
2513                         # Handle link renaming [[foo|text]] will show link as "text"
2514                         if( "" != $match[3] ) {
2515                                 $text = $match[3];
2516                         } else {
2517                                 $text = $match[1];
2518                         }
2519                         if( preg_match( '/^' . $medians . '(.*)$/i', $match[1], $submatch ) ) {
2520                                 # Media link; trail not supported.
2521                                 $linkRegexp = '/\[\[(.*?)\]\]/';
2522                                 $thelink = $this->makeMediaLink( $submatch[1], "", $text );
2523                         } else {
2524                                 # Other kind of link
2525                                 if( preg_match( wfMsgForContent( "linktrail" ), $match[4], $submatch ) ) {
2526                                         $trail = $submatch[1];
2527                                 } else {
2528                                         $trail = "";
2529                                 }
2530                                 $linkRegexp = '/\[\[(.*?)\]\]' . preg_quote( $trail, '/' ) . '/';
2531                                 if ($match[1][0] == ':')
2532                                         $match[1] = substr($match[1], 1);
2533                                 $thelink = $this->makeLink( $match[1], $text, "", $trail );
2534                         }
2535                         $comment = preg_replace( $linkRegexp, $thelink, $comment, 1 );
2536                 }
2537                 return $comment;
2538         }
2539
2540         function imageHistoryLine( $iscur, $timestamp, $img, $user, $usertext, $size, $description ) {
2541                 global $wgUser, $wgLang, $wgContLang, $wgTitle;
2542
2543                 $datetime = $wgLang->timeanddate( $timestamp, true );
2544                 $del = wfMsg( 'deleteimg' );
2545                 $delall = wfMsg( 'deleteimgcompletely' );
2546                 $cur = wfMsg( 'cur' );
2547
2548                 if ( $iscur ) {
2549                         $url = Image::wfImageUrl( $img );
2550                         $rlink = $cur;
2551                         if ( $wgUser->isAllowed('delete') ) {
2552                                 $link = $wgTitle->escapeLocalURL( 'image=' . $wgTitle->getPartialURL() .
2553                                   '&action=delete' );
2554                                 $style = $this->getInternalLinkAttributes( $link, $delall );
2555
2556                                 $dlink = '<a href="'.$link.'"'.$style.'>'.$delall.'</a>';
2557                         } else {
2558                                 $dlink = $del;
2559                         }
2560                 } else {
2561                         $url = htmlspecialchars( wfImageArchiveUrl( $img ) );
2562                         if( $wgUser->getID() != 0 && $wgTitle->userCanEdit() ) {
2563                                 $rlink = $this->makeKnownLink( $wgTitle->getPrefixedText(),
2564                                            wfMsg( 'revertimg' ), 'action=revert&oldimage=' .
2565                                            urlencode( $img ) );
2566                                 $dlink = $this->makeKnownLink( $wgTitle->getPrefixedText(),
2567                                            $del, 'action=delete&oldimage=' . urlencode( $img ) );
2568                         } else {
2569                                 # Having live active links for non-logged in users
2570                                 # means that bots and spiders crawling our site can
2571                                 # inadvertently change content. Baaaad idea.
2572                                 $rlink = wfMsg( 'revertimg' );
2573                                 $dlink = $del;
2574                         }
2575                 }
2576                 if ( 0 == $user ) {
2577                         $userlink = $usertext;
2578                 } else {
2579                         $userlink = $this->makeLink( $wgContLang->getNsText( Namespace::getUser() ) .
2580                                        ':'.$usertext, $usertext );
2581                 }
2582                 $nbytes = wfMsg( 'nbytes', $size );
2583                 $style = $this->getInternalLinkAttributes( $url, $datetime );
2584
2585                 $s = "<li> ({$dlink}) ({$rlink}) <a href=\"{$url}\"{$style}>{$datetime}</a>"
2586                   . " . . {$userlink} ({$nbytes})";
2587
2588                 if ( '' != $description && '*' != $description ) {
2589                         $sk=$wgUser->getSkin();
2590                         $s .= $wgContLang->emphasize(' (' . $sk->formatComment($description,$wgTitle) . ')');
2591                 }
2592                 $s .= "</li>\n";
2593                 return $s;
2594         }
2595
2596         function tocIndent($level) {
2597                 return str_repeat( '<div class="tocindent">'."\n", $level>0 ? $level : 0 );
2598         }
2599
2600         function tocUnindent($level) {
2601                 return str_repeat( "</div>\n", $level>0 ? $level : 0 );
2602         }
2603
2604         /**
2605          * parameter level defines if we are on an indentation level
2606          */
2607         function tocLine( $anchor, $tocline, $level ) {
2608                 $link = '<a href="#'.$anchor.'">'.$tocline.'</a><br />';
2609                 if($level) {
2610                         return $link."\n";
2611                 } else {
2612                         return '<div class="tocline">'.$link."</div>\n";
2613                 }
2614
2615         }
2616
2617         function tocTable($toc) {
2618                 # note to CSS fanatics: putting this in a div does not work -- div won't auto-expand
2619                 # try min-width & co when somebody gets a chance
2620                 $hideline = ' <script type="text/javascript">showTocToggle("' . addslashes( wfMsg('showtoc') ) . '","' . addslashes( wfMsg('hidetoc') ) . '")</script>';
2621                 return
2622                 '<table border="0" id="toc"><tr id="toctitle"><td align="center">'."\n".
2623                 '<b>'.wfMsgForContent('toc').'</b>' .
2624                 $hideline .
2625                 '</td></tr><tr id="tocinside"><td>'."\n".
2626                 $toc."</td></tr></table>\n";
2627         }
2628
2629         /**
2630          * These two do not check for permissions: check $wgTitle->userCanEdit
2631          * before calling them
2632          */
2633         function editSectionScriptForOther( $title, $section, $head ) {
2634                 $ttl = Title::newFromText( $title );
2635                 $url = $ttl->escapeLocalURL( 'action=edit&section='.$section );
2636                 return '<span oncontextmenu=\'document.location="'.$url.'";return false;\'>'.$head.'</span>';
2637         }
2638
2639         function editSectionScript( $nt, $section, $head ) {
2640                 global $wgRequest;
2641                 if( $wgRequest->getInt( 'oldid' ) && ( $wgRequest->getVal( 'diff' ) != '0' ) ) {
2642                         return $head;
2643                 }
2644                 $url = $nt->escapeLocalURL( 'action=edit&section='.$section );
2645                 return '<span oncontextmenu=\'document.location="'.$url.'";return false;\'>'.$head.'</span>';
2646         }
2647
2648         function editSectionLinkForOther( $title, $section ) {
2649                 global $wgRequest;
2650                 global $wgContLang;
2651
2652                 $title = Title::newFromText($title);
2653                 $editurl = '&section='.$section;
2654                 $url = $this->makeKnownLink($title->getPrefixedText(),wfMsg('editsection'),'action=edit'.$editurl);
2655
2656                 if( $wgContLang->isRTL() ) {
2657                         $farside = 'left';
2658                         $nearside = 'right';
2659                 } else {
2660                         $farside = 'right';
2661                         $nearside = 'left';
2662                 }
2663                 return "<div class=\"editsection\" style=\"float:$farside;margin-$nearside:5px;\">[".$url."]</div>";
2664
2665         }
2666
2667         function editSectionLink( $nt, $section ) {
2668                 global $wgRequest;
2669                 global $wgContLang;
2670
2671                 if( $wgRequest->getInt( 'oldid' ) && ( $wgRequest->getVal( 'diff' ) != '0' ) ) {
2672                         # Section edit links would be out of sync on an old page.
2673                         # But, if we're diffing to the current page, they'll be
2674                         # correct.
2675                         return '';
2676                 }
2677
2678                 $editurl = '&section='.$section;
2679                 $url = $this->makeKnownLink($nt->getPrefixedText(),wfMsg('editsection'),'action=edit'.$editurl);
2680
2681                 if( $wgContLang->isRTL() ) {
2682                         $farside = 'left';
2683                         $nearside = 'right';
2684                 } else {
2685                         $farside = 'right';
2686                         $nearside = 'left';
2687                 }
2688                 return "<div class=\"editsection\" style=\"float:$farside;margin-$nearside:5px;\">[".$url."]</div>";
2689
2690         }
2691
2692         /**
2693          * This function is called by EditPage.php and shows a bulletin board style
2694          * toolbar for common editing functions. It can be disabled in the user
2695          * preferences.
2696          * The necessary JavaScript code can be found in style/wikibits.js.
2697          */
2698         function getEditToolbar() {
2699                 global $wgStylePath, $wgLang, $wgMimeType;
2700
2701                 /**
2702                  * toolarray an array of arrays which each include the filename of
2703                  * the button image (without path), the opening tag, the closing tag,
2704                  * and optionally a sample text that is inserted between the two when no
2705                  * selection is highlighted.
2706                  * The tip text is shown when the user moves the mouse over the button.
2707                  *
2708                  * Already here are accesskeys (key), which are not used yet until someone
2709                  * can figure out a way to make them work in IE. However, we should make
2710                  * sure these keys are not defined on the edit page.
2711                  */
2712                 $toolarray=array(
2713                         array(  'image'=>'button_bold.png',
2714                                         'open'  =>      "\'\'\'",
2715                                         'close' =>      "\'\'\'",
2716                                         'sample'=>      wfMsg('bold_sample'),
2717                                         'tip'   =>      wfMsg('bold_tip'),
2718                                         'key'   =>      'B'
2719                                 ),
2720                         array(  'image'=>'button_italic.png',
2721                                         'open'  =>      "\'\'",
2722                                         'close' =>      "\'\'",
2723                                         'sample'=>      wfMsg('italic_sample'),
2724                                         'tip'   =>      wfMsg('italic_tip'),
2725                                         'key'   =>      'I'
2726                                 ),
2727                         array(  'image'=>'button_link.png',
2728                                         'open'  =>      '[[',
2729                                         'close' =>      ']]',
2730                                         'sample'=>      wfMsg('link_sample'),
2731                                         'tip'   =>      wfMsg('link_tip'),
2732                                         'key'   =>      'L'
2733                                 ),
2734                         array(  'image'=>'button_extlink.png',
2735                                         'open'  =>      '[',
2736                                         'close' =>      ']',
2737                                         'sample'=>      wfMsg('extlink_sample'),
2738                                         'tip'   =>      wfMsg('extlink_tip'),
2739                                         'key'   =>      'X'
2740                                 ),
2741                         array(  'image'=>'button_headline.png',
2742                                         'open'  =>      "\\n== ",
2743                                         'close' =>      " ==\\n",
2744                                         'sample'=>      wfMsg('headline_sample'),
2745                                         'tip'   =>      wfMsg('headline_tip'),
2746                                         'key'   =>      'H'
2747                                 ),
2748                         array(  'image'=>'button_image.png',
2749                                         'open'  =>      '[['.$wgLang->getNsText(NS_IMAGE).":",
2750                                         'close' =>      ']]',
2751                                         'sample'=>      wfMsg('image_sample'),
2752                                         'tip'   =>      wfMsg('image_tip'),
2753                                         'key'   =>      'D'
2754                                 ),
2755                         array(  'image' =>      'button_media.png',
2756                                         'open'  =>      '[['.$wgLang->getNsText(NS_MEDIA).':',
2757                                         'close' =>      ']]',
2758                                         'sample'=>      wfMsg('media_sample'),
2759                                         'tip'   =>      wfMsg('media_tip'),
2760                                         'key'   =>      'M'
2761                                 ),
2762                         array(  'image' =>      'button_math.png',
2763                                         'open'  =>      "\\<math\\>",
2764                                         'close' =>      "\\</math\\>",
2765                                         'sample'=>      wfMsg('math_sample'),
2766                                         'tip'   =>      wfMsg('math_tip'),
2767                                         'key'   =>      'C'
2768                                 ),
2769                         array(  'image' =>      'button_nowiki.png',
2770                                         'open'  =>      "\\<nowiki\\>",
2771                                         'close' =>      "\\</nowiki\\>",
2772                                         'sample'=>      wfMsg('nowiki_sample'),
2773                                         'tip'   =>      wfMsg('nowiki_tip'),
2774                                         'key'   =>      'N'
2775                                 ),
2776                         array(  'image' =>      'button_sig.png',
2777                                         'open'  =>      '--~~~~',
2778                                         'close' =>      '',
2779                                         'sample'=>      '',
2780                                         'tip'   =>      wfMsg('sig_tip'),
2781                                         'key'   =>      'Y'
2782                                 ),
2783                         array(  'image' =>      'button_hr.png',
2784                                         'open'  =>      "\\n----\\n",
2785                                         'close' =>      '',
2786                                         'sample'=>      '',
2787                                         'tip'   =>      wfMsg('hr_tip'),
2788                                         'key'   =>      'R'
2789                                 )
2790                 );
2791                 $toolbar ="<script type='text/javascript'>\n/*<![CDATA[*/\n";
2792
2793                 $toolbar.="document.writeln(\"<div id='toolbar'>\");\n";
2794                 foreach($toolarray as $tool) {
2795
2796                         $image=$wgStylePath.'/common/images/'.$tool['image'];
2797                         $open=$tool['open'];
2798                         $close=$tool['close'];
2799                         $sample = addslashes( $tool['sample'] );
2800
2801                         // Note that we use the tip both for the ALT tag and the TITLE tag of the image.
2802                         // Older browsers show a "speedtip" type message only for ALT.
2803                         // Ideally these should be different, realistically they
2804                         // probably don't need to be.
2805                         $tip = addslashes( $tool['tip'] );
2806
2807                         #$key = $tool["key"];
2808
2809                         $toolbar.="addButton('$image','$tip','$open','$close','$sample');\n";
2810                 }
2811
2812                 $toolbar.="addInfobox('" . addslashes( wfMsg( "infobox" ) ) . "','" . addslashes(wfMsg("infobox_alert")) . "');\n";
2813                 $toolbar.="document.writeln(\"</div>\");\n";
2814
2815                 $toolbar.="/*]]>*/\n</script>";
2816                 return $toolbar;
2817         }
2818
2819         /**
2820          * @access public
2821          */
2822         function suppressUrlExpansion() {
2823                 return false;
2824         }
2825 }
2826
2827 }
2828 ?>