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 # Get a list of all skins available in /skins/
  18 # Build using the regular expression '^(.*).php$'
  19 # Array keys are all lower case, array value keep the case used by filename
  20 #
  21
  22 $skinDir = dir($IP.'/skins');
  23
  24 # while code from www.php.net
  25 while (false !== ($file = $skinDir->read())) {
  26         if(preg_match('/^([^.].*)\.php$/',$file, $matches)) {
  27                 $aSkin = $matches[1];
  28                 $wgValidSkinNames[strtolower($aSkin)] = $aSkin;
  29         }
  30 }
  31 $skinDir->close();
  32 unset($matches);
  33
  34 require_once( 'RecentChange.php' );
  35
  36 global $wgLinkHolders;
  37 $wgLinkHolders = array(
  38         'namespaces' => array(),
  39         'dbkeys' => array(),
  40         'queries' => array(),
  41         'texts' => array(),
  42         'titles' => array()
  43 );
  44 global $wgInterwikiLinkHolders;
  45 $wgInterwikiLinkHolders = array();
  46
  47 /**
  48  * @todo document
  49  * @package MediaWiki
  50  */
  51 class RCCacheEntry extends RecentChange
  52 {
  53         var $secureName, $link;
  54         var $curlink , $difflink, $lastlink , $usertalklink , $versionlink ;
  55         var $userlink, $timestamp, $watched;
  56
  57         function newFromParent( $rc )
  58         {
  59                 $rc2 = new RCCacheEntry;
  60                 $rc2->mAttribs = $rc->mAttribs;
  61                 $rc2->mExtra = $rc->mExtra;
  62                 return $rc2;
  63         }
  64 } ;
  65
  66
  67 /**
  68  * The main skin class that provide methods and properties for all other skins
  69  * including PHPTal skins.
  70  * This base class is also the "Standard" skin.
  71  * @package MediaWiki
  72  */
  73 class Skin {
  74         /**#@+
  75          * @access private
  76          */
  77         var $lastdate, $lastline;
  78         var $linktrail ; # linktrail regexp
  79         var $rc_cache ; # Cache for Enhanced Recent Changes
  80         var $rcCacheIndex ; # Recent Changes Cache Counter for visibility toggle
  81         var $rcMoveIndex;
  82         var $postParseLinkColour = false;
  83         /**#@-*/
  84
  85         function Skin() {
  86                 $this->linktrail = wfMsgForContent('linktrail');
  87
  88                 # Cache option lookups done very frequently
  89                 $options = array( 'highlightbroken', 'hover' );
  90                 foreach( $options as $opt ) {
  91                         global $wgUser;
  92                         $this->mOptions[$opt] = $wgUser->getOption( $opt );
  93                 }
  94         }
  95
  96         function getSkinNames() {
  97                 global $wgValidSkinNames;
  98                 return $wgValidSkinNames;
  99         }
 100
 101         function getStylesheet() {
 102                 return 'common/wikistandard.css';
 103         }
 104
 105         function getSkinName() {
 106                 return 'standard';
 107         }
 108
 109         /**
 110          * Get/set accessor for delayed link colouring
 111          */
 112         function postParseLinkColour( $setting = NULL ) {
 113                 return wfSetVar( $this->postParseLinkColour, $setting );
 114         }
 115
 116         function qbSetting() {
 117                 global $wgOut, $wgUser;
 118
 119                 if ( $wgOut->isQuickbarSuppressed() ) { return 0; }
 120                 $q = $wgUser->getOption( 'quickbar' );
 121                 if ( '' == $q ) { $q = 0; }
 122                 return $q;
 123         }
 124
 125         function initPage( &$out ) {
 126                 $fname = 'Skin::initPage';
 127                 wfProfileIn( $fname );
 128
 129                 $out->addLink( array( 'rel' => 'shortcut icon', 'href' => '/favicon.ico' ) );
 130
 131                 $this->addMetadataLinks($out);
 132
 133                 wfProfileOut( $fname );
 134         }
 135
 136         function addMetadataLinks( &$out ) {
 137                 global $wgTitle, $wgEnableDublinCoreRdf, $wgEnableCreativeCommonsRdf, $wgRdfMimeType, $action;
 138                 global $wgRightsPage, $wgRightsUrl;
 139
 140                 if( $out->isArticleRelated() ) {
 141                         # note: buggy CC software only reads first "meta" link
 142                         if( $wgEnableCreativeCommonsRdf ) {
 143                                 $out->addMetadataLink( array(
 144                                         'title' => 'Creative Commons',
 145                                         'type' => 'application/rdf+xml',
 146                                         'href' => $wgTitle->getLocalURL( 'action=creativecommons') ) );
 147                         }
 148                         if( $wgEnableDublinCoreRdf ) {
 149                                 $out->addMetadataLink( array(
 150                                         'title' => 'Dublin Core',
 151                                         'type' => 'application/rdf+xml',
 152                                         'href' => $wgTitle->getLocalURL( 'action=dublincore' ) ) );
 153                         }
 154                 }
 155                 $copyright = '';
 156                 if( $wgRightsPage ) {
 157                         $copy = Title::newFromText( $wgRightsPage );
 158                         if( $copy ) {
 159                                 $copyright = $copy->getLocalURL();
 160                         }
 161                 }
 162                 if( !$copyright && $wgRightsUrl ) {
 163                         $copyright = $wgRightsUrl;
 164                 }
 165                 if( $copyright ) {
 166                         $out->addLink( array(
 167                                 'rel' => 'copyright',
 168                                 'href' => $copyright ) );
 169                 }
 170         }
 171
 172         function outputPage( &$out ) {
 173                 global $wgDebugComments;
 174
 175                 wfProfileIn( 'Skin::outputPage' );
 176                 $this->initPage( $out );
 177                 $out->out( $out->headElement() );
 178
 179                 $out->out( "\n<body" );
 180                 $ops = $this->getBodyOptions();
 181                 foreach ( $ops as $name => $val ) {
 182                         $out->out( " $name='$val'" );
 183                 }
 184                 $out->out( ">\n" );
 185                 if ( $wgDebugComments ) {
 186                         $out->out( "<!-- Wiki debugging output:\n" .
 187                           $out->mDebugtext . "-->\n" );
 188                 }
 189                 $out->out( $this->beforeContent() );
 190
 191                 $out->out( $out->mBodytext . "\n" );
 192
 193                 $out->out( $this->afterContent() );
 194
 195                 wfProfileClose();
 196                 $out->out( $out->reportTime() );
 197
 198                 $out->out( "\n</body></html>" );
 199         }
 200
 201         function getHeadScripts() {
 202                 global $wgStylePath, $wgUser, $wgContLang, $wgAllowUserJs;
 203                 $r = "<script type=\"text/javascript\" src=\"{$wgStylePath}/common/wikibits.js\"></script>\n";
 204                 if( $wgAllowUserJs && $wgUser->getID() != 0 ) { # logged in
 205                         $userpage = $wgContLang->getNsText( Namespace::getUser() ) . ":" . $wgUser->getName();
 206                         $userjs = htmlspecialchars($this->makeUrl($userpage.'/'.$this->getSkinName().'.js', 'action=raw&ctype=text/javascript'));
 207                         $r .= '<script type="text/javascript" src="'.$userjs."\"></script>\n";
 208                 }
 209                 return $r;
 210         }
 211
 212         # get the user/site-specific stylesheet, SkinPHPTal called from RawPage.php (settings are cached that way)
 213         function getUserStylesheet() {
 214                 global $wgOut, $wgStylePath, $wgContLang, $wgUser, $wgRequest, $wgTitle, $wgAllowUserCss;
 215                 $sheet = $this->getStylesheet();
 216                 $action = $wgRequest->getText('action');
 217                 $s = "@import \"$wgStylePath/$sheet\";\n";
 218                 if($wgContLang->isRTL()) $s .= "@import \"$wgStylePath/common/common_rtl.css\";\n";
 219                 if( $wgAllowUserCss && $wgUser->getID() != 0 ) { # logged in
 220                         if($wgTitle->isCssSubpage() and $action == 'submit' and  $wgTitle->userCanEditCssJsSubpage()) {
 221                                 $s .= $wgRequest->getText('wpTextbox1');
 222                         } else {
 223                                 $userpage = $wgContLang->getNsText( Namespace::getUser() ) . ":" . $wgUser->getName();
 224                                 $s.= '@import "'.$this->makeUrl($userpage.'/'.$this->getSkinName().'.css', 'action=raw&ctype=text/css').'";'."\n";
 225                         }
 226                 }
 227                 $s .= $this->doGetUserStyles();
 228                 return $s."\n";
 229         }
 230
 231         /**
 232          * placeholder, returns generated js in monobook
 233          */
 234         function getUserJs() { return; }
 235
 236         /**
 237          * Return html code that include User stylesheets
 238          */
 239         function getUserStyles() {
 240                 global $wgOut, $wgStylePath, $wgLang;
 241                 $s = "<style type='text/css'>\n";
 242                 $s .= "/*/*/ /*<![CDATA[*/\n"; # <-- Hide the styles from Netscape 4 without hiding them from IE/Mac
 243                 $s .= $this->getUserStylesheet();
 244                 $s .= "/*]]>*/ /* */\n";
 245                 $s .= "</style>\n";
 246                 return $s;
 247         }
 248
 249         /**
 250          * Some styles that are set by user through the user settings interface.
 251          */
 252         function doGetUserStyles() {
 253                 global $wgUser, $wgContLang;
 254
 255                 $csspage = $wgContLang->getNsText( NS_MEDIAWIKI ) . ':' . $this->getSkinName() . '.css';
 256                 $s = '@import "'.$this->makeUrl($csspage, 'action=raw&ctype=text/css')."\";\n";
 257
 258                 if ( 1 == $wgUser->getOption( 'underline' ) ) {
 259                         # Don't override browser settings
 260                 } else {
 261                         # CHECK MERGE @@@
 262                         # Force no underline
 263                         $s .= "a { text-decoration: none; }\n";
 264                 }
 265                 if ( 1 == $this->mOptions['highlightbroken'] ) {
 266                         $s .= "a.new, #quickbar a.new { color: #CC2200; }\n";
 267                 }
 268                 if ( 1 == $wgUser->getOption( 'justify' ) ) {
 269                         $s .= "#article { text-align: justify; }\n";
 270                 }
 271                 return $s;
 272         }
 273
 274         function getBodyOptions() {
 275                 global $wgUser, $wgTitle, $wgNamespaceBackgrounds, $wgOut, $wgRequest;
 276
 277                 extract( $wgRequest->getValues( 'oldid', 'redirect', 'diff' ) );
 278
 279                 if ( 0 != $wgTitle->getNamespace() ) {
 280                         $a = array( 'bgcolor' => '#ffffec' );
 281                 }
 282                 else $a = array( 'bgcolor' => '#FFFFFF' );
 283                 if($wgOut->isArticle() && $wgUser->getOption('editondblclick') &&
 284                   (!$wgTitle->isProtected() || $wgUser->isAllowed('protect')) ) {
 285                         $t = wfMsg( 'editthispage' );
 286                         $oid = $red = '';
 287                         if ( !empty($redirect) && $redirect == 'no' ) {
 288                                 $red = "&redirect={$redirect}";
 289                         }
 290                         if ( !empty($oldid) && ! isset( $diff ) ) {
 291                                 $oid = "&oldid=" . IntVal( $oldid );
 292                         }
 293                         $s = $wgTitle->getFullURL( "action=edit{$oid}{$red}" );
 294                         $s = 'document.location = "' .$s .'";';
 295                         $a += array ('ondblclick' => $s);
 296
 297                 }
 298                 $a['onload'] = $wgOut->getOnloadHandler();
 299                 return $a;
 300         }
 301
 302         function getExternalLinkAttributes( $link, $text, $class='' ) {
 303                 global $wgContLang;
 304
 305                 $same = ($link == $text);
 306                 $link = urldecode( $link );
 307                 $link = $wgContLang->checkTitleEncoding( $link );
 308                 $link = str_replace( '_', ' ', $link );
 309                 $link = htmlspecialchars( $link );
 310
 311                 $r = ($class != '') ? " class='$class'" : " class='external'";
 312
 313                 if( !$same && $this->mOptions['hover'] ) {
 314                         $r .= " title=\"{$link}\"";
 315                 }
 316                 return $r;
 317         }
 318
 319         function getInternalLinkAttributes( $link, $text, $broken = false ) {
 320                 $link = urldecode( $link );
 321                 $link = str_replace( '_', ' ', $link );
 322                 $link = htmlspecialchars( $link );
 323
 324                 if( $broken == 'stub' ) {
 325                         $r = ' class="stub"';
 326                 } else if ( $broken == 'yes' ) {
 327                         $r = ' class="new"';
 328                 } else {
 329                         $r = '';
 330                 }
 331
 332                 if( $this->mOptions['hover'] ) {
 333                         $r .= " title=\"{$link}\"";
 334                 }
 335                 return $r;
 336         }
 337
 338         /**
 339          * @param bool $broken
 340          */
 341         function getInternalLinkAttributesObj( &$nt, $text, $broken = false ) {
 342                 if( $broken == 'stub' ) {
 343                         $r = ' class="stub"';
 344                 } else if ( $broken == 'yes' ) {
 345                         $r = ' class="new"';
 346                 } else {
 347                         $r = '';
 348                 }
 349
 350                 if( $this->mOptions['hover'] ) {
 351                         $r .= ' title="' . $nt->getEscapedText() . '"';
 352                 }
 353                 return $r;
 354         }
 355
 356         /**
 357          * URL to the logo
 358          */
 359         function getLogo() {
 360                 global $wgLogo;
 361                 return $wgLogo;
 362         }
 363
 364         /**
 365          * This will be called immediately after the <body> tag.  Split into
 366          * two functions to make it easier to subclass.
 367          */
 368         function beforeContent() {
 369                 global $wgUser, $wgOut;
 370
 371                 return $this->doBeforeContent();
 372         }
 373
 374         function doBeforeContent() {
 375                 global $wgUser, $wgOut, $wgTitle, $wgContLang, $wgSiteNotice;
 376                 $fname = 'Skin::doBeforeContent';
 377                 wfProfileIn( $fname );
 378
 379                 $s = '';
 380                 $qb = $this->qbSetting();
 381
 382                 if( $langlinks = $this->otherLanguages() ) {
 383                         $rows = 2;
 384                         $borderhack = '';
 385                 } else {
 386                         $rows = 1;
 387                         $langlinks = false;
 388                         $borderhack = 'class="top"';
 389                 }
 390
 391                 $s .= "\n<div id='content'>\n<div id='topbar'>\n" .
 392                   "<table border='0' cellspacing='0' width='98%'>\n<tr>\n";
 393
 394                 $shove = ($qb != 0);
 395                 $left = ($qb == 1 || $qb == 3);
 396                 if($wgContLang->isRTL()) $left = !$left;
 397
 398                 if ( !$shove ) {
 399                         $s .= "<td class='top' align='left' valign='top' rowspan='{$rows}'>\n" .
 400                           $this->logoText() . '</td>';
 401                 } elseif( $left ) {
 402                         $s .= $this->getQuickbarCompensator( $rows );
 403                 }
 404                 $l = $wgContLang->isRTL() ? 'right' : 'left';
 405                 $s .= "<td {$borderhack} align='$l' valign='top'>\n";
 406
 407                 $s .= $this->topLinks() ;
 408                 $s .= "<p class='subtitle'>" . $this->pageTitleLinks() . "</p>\n";
 409
 410                 $r = $wgContLang->isRTL() ? "left" : "right";
 411                 $s .= "</td>\n<td {$borderhack} valign='top' align='$r' nowrap='nowrap'>";
 412                 $s .= $this->nameAndLogin();
 413                 $s .= "\n<br />" . $this->searchForm() . "</td>";
 414
 415                 if ( $langlinks ) {
 416                         $s .= "</tr>\n<tr>\n<td class='top' colspan=\"2\">$langlinks</td>\n";
 417                 }
 418
 419                 if ( $shove && !$left ) { # Right
 420                         $s .= $this->getQuickbarCompensator( $rows );
 421                 }
 422                 $s .= "</tr>\n</table>\n</div>\n";
 423                 $s .= "\n<div id='article'>\n";
 424
 425                 if( $wgSiteNotice ) {
 426                         $s .= "\n<div id='siteNotice'>$wgSiteNotice</div>\n";
 427                 }
 428                 $s .= $this->pageTitle();
 429                 $s .= $this->pageSubtitle() ;
 430                 $s .= $this->getCategories();
 431                 wfProfileOut( $fname );
 432                 return $s;
 433         }
 434
 435
 436         function getCategoryLinks () {
 437                 global $wgOut, $wgTitle, $wgUser, $wgParser;
 438                 global $wgUseCategoryMagic, $wgUseCategoryBrowser, $wgLang;
 439
 440                 if( !$wgUseCategoryMagic ) return '' ;
 441                 if( count( $wgOut->mCategoryLinks ) == 0 ) return '';
 442
 443                 # Taken out so that they will be displayed in previews -- TS
 444                 #if( !$wgOut->isArticle() ) return '';
 445
 446                 $t = implode ( ' | ' , $wgOut->mCategoryLinks ) ;
 447                 $s = $this->makeKnownLink( 'Special:Categories',
 448                         wfMsg( 'categories' ), 'article=' . urlencode( $wgTitle->getPrefixedDBkey() ) )
 449                         . ': ' . $t;
 450
 451                 # optional 'dmoz-like' category browser. Will be shown under the list
 452                 # of categories an article belong to
 453                 if($wgUseCategoryBrowser) {
 454                         $s .= '<br/><hr/>';
 455
 456                         # get a big array of the parents tree
 457                         $parenttree = $wgTitle->getParentCategoryTree();
 458
 459                         # Render the array as a serie of links
 460                         function walkThrough ($tree) {
 461                                 global $wgUser;
 462                                 $sk = $wgUser->getSkin();
 463                                 $return = '';
 464                                 foreach($tree as $element => $parent) {
 465                                         if(empty($parent)) {
 466                                                 # element start a new list
 467                                                 $return .= '<br />';
 468                                         } else {
 469                                                 # grab the others elements
 470                                                 $return .= walkThrough($parent);
 471                                         }
 472                                         # add our current element to the list
 473                                         $eltitle = Title::NewFromText($element);
 474                                         # FIXME : should be makeLink() [AV]
 475                                         $return .= $sk->makeLink($element, $eltitle->getText()).' &gt; ';
 476                                 }
 477                                 return $return;
 478                         }
 479
 480                         $s .= walkThrough($parenttree);
 481                 }
 482
 483                 return $s;
 484         }
 485
 486         function getCategories() {
 487                 $catlinks=$this->getCategoryLinks();
 488                 if(!empty($catlinks)) {
 489                         return "<p class='catlinks'>{$catlinks}</p>";
 490                 }
 491         }
 492
 493         function getQuickbarCompensator( $rows = 1 ) {
 494                 return "<td width='152' rowspan='{$rows}'>&nbsp;</td>";
 495         }
 496
 497         # This gets called immediately before the </body> tag.
 498         #
 499         function afterContent() {
 500                 global $wgUser, $wgOut, $wgServer;
 501                 global $wgTitle, $wgLang;
 502
 503                 $printfooter = "<div class=\"printfooter\">\n" . $this->printFooter() . "</div>\n";
 504                 return $printfooter . $this->doAfterContent();
 505         }
 506
 507         function printSource() {
 508                 global $wgTitle;
 509                 $url = htmlspecialchars( $wgTitle->getFullURL() );
 510                 return wfMsg( "retrievedfrom", "<a href=\"$url\">$url</a>" );
 511         }
 512
 513         function printFooter() {
 514                 return "<p>" .  $this->printSource() .
 515                         "</p>\n\n<p>" . $this->pageStats() . "</p>\n";
 516         }
 517
 518         function doAfterContent() {
 519         # overloaded by derived classes
 520         }
 521
 522         function pageTitleLinks() {
 523                 global $wgOut, $wgTitle, $wgUser, $wgContLang, $wgUseApproval, $wgRequest;
 524
 525                 extract( $wgRequest->getValues( 'oldid', 'diff' ) );
 526                 $action = $wgRequest->getText( 'action' );
 527
 528                 $s = $this->printableLink();
 529                 $disclaimer = $this->disclaimerLink(); # may be empty
 530                 if( $disclaimer ) {
 531                         $s .= ' | ' . $disclaimer;
 532                 }
 533
 534                 if ( $wgOut->isArticleRelated() ) {
 535                         if ( $wgTitle->getNamespace() == Namespace::getImage() ) {
 536                                 $name = $wgTitle->getDBkey();
 537                                 $image = new Image( $wgTitle->getDBkey() );
 538                                 if( $image->exists() ) {
 539                                         $link = htmlspecialchars( $image->getURL() );
 540                                         $style = $this->getInternalLinkAttributes( $link, $name );
 541                                         $s .= " | <a href=\"{$link}\"{$style}>{$name}</a>";
 542                                 }
 543                         }
 544                         # This will show the "Approve" link if $wgUseApproval=true;
 545                         if ( isset ( $wgUseApproval ) && $wgUseApproval )
 546                         {
 547                                 $t = $wgTitle->getDBkey();
 548                                 $name = 'Approve this article' ;
 549                                 $link = "http://test.wikipedia.org/w/magnus/wiki.phtml?title={$t}&action=submit&doit=1" ;
 550                                 #htmlspecialchars( wfImageUrl( $name ) );
 551                                 $style = $this->getExternalLinkAttributes( $link, $name );
 552                                 $s .= " | <a href=\"{$link}\"{$style}>{$name}</a>" ;
 553                         }
 554                 }
 555                 if ( 'history' == $action || isset( $diff ) || isset( $oldid ) ) {
 556                         $s .= ' | ' . $this->makeKnownLink( $wgTitle->getPrefixedText(),
 557                                         wfMsg( 'currentrev' ) );
 558                 }
 559
 560                 if ( $wgUser->getNewtalk() ) {
 561                 # do not show "You have new messages" text when we are viewing our
 562                 # own talk page
 563
 564                         if(!(strcmp($wgTitle->getText(),$wgUser->getName()) == 0 &&
 565                                                 $wgTitle->getNamespace()==Namespace::getTalk(Namespace::getUser()))) {
 566                                 $n =$wgUser->getName();
 567                                 $tl = $this->makeKnownLink( $wgContLang->getNsText(
 568                                                         Namespace::getTalk( Namespace::getUser() ) ) . ":{$n}",
 569                                                 wfMsg('newmessageslink') );
 570                                 $s.= ' | <strong>'. wfMsg( 'newmessages', $tl ) . '</strong>';
 571                                 # disable caching
 572                                 $wgOut->setSquidMaxage(0);
 573                                 $wgOut->enableClientCache(false);
 574                         }
 575                 }
 576
 577                 $undelete = $this->getUndeleteLink();
 578                 if( !empty( $undelete ) ) {
 579                         $s .= ' | '.$undelete;
 580                 }
 581                 return $s;
 582         }
 583
 584         function getUndeleteLink() {
 585                 global $wgUser, $wgTitle, $wgContLang, $action;
 586                 if( $wgUser->isAllowed('rollback') &&
 587                         (($wgTitle->getArticleId() == 0) || ($action == "history")) &&
 588                         ($n = $wgTitle->isDeleted() ) ) {
 589                         return wfMsg( 'thisisdeleted',
 590                                 $this->makeKnownLink(
 591                                         $wgContLang->SpecialPage( 'Undelete/' . $wgTitle->getPrefixedDBkey() ),
 592                                         wfMsg( 'restorelink', $n ) ) );
 593                 }
 594                 return '';
 595         }
 596
 597         function printableLink() {
 598                 global $wgOut, $wgFeedClasses, $wgRequest;
 599
 600                 $baseurl = $_SERVER['REQUEST_URI'];
 601                 if( strpos( '?', $baseurl ) == false ) {
 602                         $baseurl .= '?';
 603                 } else {
 604                         $baseurl .= '&';
 605                 }
 606                 $baseurl = htmlspecialchars( $baseurl );
 607                 $printurl = $wgRequest->escapeAppendQuery( 'printable=yes' );
 608
 609                 $s = "<a href=\"$printurl\">" . wfMsg( 'printableversion' ) . '</a>';
 610                 if( $wgOut->isSyndicated() ) {
 611                         foreach( $wgFeedClasses as $format => $class ) {
 612                                 $feedurl = $wgRequest->escapeAppendQuery( "feed=$format" );
 613                                 $s .= " | <a href=\"$feedurl\">{$format}</a>";
 614                         }
 615                 }
 616                 return $s;
 617         }
 618
 619         function pageTitle() {
 620                 global $wgOut, $wgTitle, $wgUser;
 621
 622                 $s = '<h1 class="pagetitle">' . htmlspecialchars( $wgOut->getPageTitle() ) . '</h1>';
 623                 if($wgUser->getOption( 'editsectiononrightclick' ) && $wgTitle->userCanEdit()) { $s=$this->editSectionScript($wgTitle, 0,$s);}
 624                 return $s;
 625         }
 626
 627         function pageSubtitle() {
 628                 global $wgOut;
 629
 630                 $sub = $wgOut->getSubtitle();
 631                 if ( '' == $sub ) {
 632                         global $wgExtraSubtitle;
 633                         $sub = wfMsg( 'tagline' ) . $wgExtraSubtitle;
 634                 }
 635                 $subpages = $this->subPageSubtitle();
 636                 $sub .= !empty($subpages)?"</p><p class='subpages'>$subpages":'';
 637                 $s = "<p class='subtitle'>{$sub}</p>\n";
 638                 return $s;
 639         }
 640
 641         function subPageSubtitle() {
 642                 global $wgOut,$wgTitle,$wgNamespacesWithSubpages;
 643                 $subpages = '';
 644                 if($wgOut->isArticle() && !empty($wgNamespacesWithSubpages[$wgTitle->getNamespace()])) {
 645                         $ptext=$wgTitle->getPrefixedText();
 646                         if(preg_match('/\//',$ptext)) {
 647                                 $links = explode('/',$ptext);
 648                                 $c = 0;
 649                                 $growinglink = '';
 650                                 foreach($links as $link) {
 651                                         $c++;
 652                                         if ($c<count($links)) {
 653                                                 $growinglink .= $link;
 654                                                 $getlink = $this->makeLink( $growinglink, $link );
 655                                                 if(preg_match('/class="new"/i',$getlink)) { break; } # this is a hack, but it saves time
 656                                                 if ($c>1) {
 657                                                         $subpages .= ' | ';
 658                                                 } else  {
 659                                                         $subpages .= '&lt; ';
 660                                                 }
 661                                                 $subpages .= $getlink;
 662                                                 $growinglink .= '/';
 663                                         }
 664                                 }
 665                         }
 666                 }
 667                 return $subpages;
 668         }
 669
 670         function nameAndLogin() {
 671                 global $wgUser, $wgTitle, $wgLang, $wgContLang, $wgShowIPinHeader, $wgIP;
 672
 673                 $li = $wgContLang->specialPage( 'Userlogin' );
 674                 $lo = $wgContLang->specialPage( 'Userlogout' );
 675
 676                 $s = '';
 677                 if ( 0 == $wgUser->getID() ) {
 678                         if( $wgShowIPinHeader && isset(  $_COOKIE[ini_get('session.name')] ) ) {
 679                                 $n = $wgIP;
 680
 681                                 $tl = $this->makeKnownLink( $wgContLang->getNsText(
 682                                   Namespace::getTalk( Namespace::getUser() ) ) . ":{$n}",
 683                                   $wgContLang->getNsText( Namespace::getTalk( 0 ) ) );
 684
 685                                 $s .= $n . ' ('.$tl.')';
 686                         } else {
 687                                 $s .= wfMsg('notloggedin');
 688                         }
 689
 690                         $rt = $wgTitle->getPrefixedURL();
 691                         if ( 0 == strcasecmp( urlencode( $lo ), $rt ) ) {
 692                                 $q = '';
 693                         } else { $q = "returnto={$rt}"; }
 694
 695                         $s .= "\n<br />" . $this->makeKnownLink( $li,
 696                           wfMsg( 'login' ), $q );
 697                 } else {
 698                         $n = $wgUser->getName();
 699                         $rt = $wgTitle->getPrefixedURL();
 700                         $tl = $this->makeKnownLink( $wgContLang->getNsText(
 701                           Namespace::getTalk( Namespace::getUser() ) ) . ":{$n}",
 702                           $wgContLang->getNsText( Namespace::getTalk( 0 ) ) );
 703
 704                         $tl = " ({$tl})";
 705
 706                         $s .= $this->makeKnownLink( $wgContLang->getNsText(
 707                           Namespace::getUser() ) . ":{$n}", $n ) . "{$tl}<br />" .
 708                           $this->makeKnownLink( $lo, wfMsg( 'logout' ),
 709                           "returnto={$rt}" ) . ' | ' .
 710                           $this->specialLink( 'preferences' );
 711                 }
 712                 $s .= ' | ' . $this->makeKnownLink( wfMsgForContent( 'helppage' ),
 713                   wfMsg( 'help' ) );
 714
 715                 return $s;
 716         }
 717
 718         function getSearchLink() {
 719                 $searchPage =& Title::makeTitle( NS_SPECIAL, 'Search' );
 720                 return $searchPage->getLocalURL();
 721         }
 722
 723         function escapeSearchLink() {
 724                 return htmlspecialchars( $this->getSearchLink() );
 725         }
 726
 727         function searchForm() {
 728                 global $wgRequest;
 729                 $search = $wgRequest->getText( 'search' );
 730
 731                 $s = '<form name="search" class="inline" method="post" action="'
 732                   . $this->escapeSearchLink() . "\">\n"
 733                   . '<input type="text" name="search" size="19" value="'
 734                   . htmlspecialchars(substr($search,0,256)) . "\" />\n"
 735                   . '<input type="submit" name="go" value="' . wfMsg ('go') . '" />&nbsp;'
 736                   . '<input type="submit" name="fulltext" value="' . wfMsg ('search') . "\" />\n</form>";
 737
 738                 return $s;
 739         }
 740
 741         function topLinks() {
 742                 global $wgOut;
 743                 $sep = " |\n";
 744
 745                 $s = $this->mainPageLink() . $sep
 746                   . $this->specialLink( 'recentchanges' );
 747
 748                 if ( $wgOut->isArticleRelated() ) {
 749                         $s .=  $sep . $this->editThisPage()
 750                           . $sep . $this->historyLink();
 751                 }
 752                 # Many people don't like this dropdown box
 753                 #$s .= $sep . $this->specialPagesList();
 754
 755                 return $s;
 756         }
 757
 758         function bottomLinks() {
 759                 global $wgOut, $wgUser, $wgTitle;
 760                 $sep = " |\n";
 761
 762                 $s = '';
 763                 if ( $wgOut->isArticleRelated() ) {
 764                         $s .= '<strong>' . $this->editThisPage() . '</strong>';
 765                         if ( 0 != $wgUser->getID() ) {
 766                                 $s .= $sep . $this->watchThisPage();
 767                         }
 768                         $s .= $sep . $this->talkLink()
 769                           . $sep . $this->historyLink()
 770                           . $sep . $this->whatLinksHere()
 771                           . $sep . $this->watchPageLinksLink();
 772
 773                         if ( $wgTitle->getNamespace() == Namespace::getUser()
 774                             || $wgTitle->getNamespace() == Namespace::getTalk(Namespace::getUser()) )
 775
 776                         {
 777                                 $id=User::idFromName($wgTitle->getText());
 778                                 $ip=User::isIP($wgTitle->getText());
 779
 780                                 if($id || $ip) { # both anons and non-anons have contri list
 781                                         $s .= $sep . $this->userContribsLink();
 782                                 }
 783                                 if( $this->showEmailUser( $id ) ) {
 784                                         $s .= $sep . $this->emailUserLink();
 785                                 }
 786                         }
 787                         if ( $wgTitle->getArticleId() ) {
 788                                 $s .= "\n<br />";
 789                                 if($wgUser->isAllowed('delete')) { $s .= $this->deleteThisPage(); }
 790                                 if($wgUser->isAllowed('protect')) { $s .= $sep . $this->protectThisPage(); }
 791                                 if($wgUser->isAllowed('move')) { $s .= $sep . $this->moveThisPage(); }
 792                         }
 793                         $s .= "<br />\n" . $this->otherLanguages();
 794                 }
 795                 return $s;
 796         }
 797
 798         function pageStats() {
 799                 global $wgOut, $wgLang, $wgArticle, $wgRequest;
 800                 global $wgDisableCounters, $wgMaxCredits, $wgShowCreditsIfMax;
 801
 802                 extract( $wgRequest->getValues( 'oldid', 'diff' ) );
 803                 if ( ! $wgOut->isArticle() ) { return ''; }
 804                 if ( isset( $oldid ) || isset( $diff ) ) { return ''; }
 805                 if ( 0 == $wgArticle->getID() ) { return ''; }
 806
 807                 $s = '';
 808                 if ( !$wgDisableCounters ) {
 809                         $count = $wgLang->formatNum( $wgArticle->getCount() );
 810                         if ( $count ) {
 811                                 $s = wfMsg( 'viewcount', $count );
 812                         }
 813                 }
 814
 815                 if (isset($wgMaxCredits) && $wgMaxCredits != 0) {
 816                     require_once("Credits.php");
 817                     $s .= ' ' . getCredits($wgArticle, $wgMaxCredits, $wgShowCreditsIfMax);
 818                 } else {
 819                     $s .= $this->lastModified();
 820                 }
 821
 822                 return $s . ' ' .  $this->getCopyright();
 823         }
 824
 825         function getCopyright() {
 826                 global $wgRightsPage, $wgRightsUrl, $wgRightsText, $wgRequest;
 827
 828
 829                 $oldid = $wgRequest->getVal( 'oldid' );
 830                 $diff = $wgRequest->getVal( 'diff' );
 831
 832                 if ( !is_null( $oldid ) && is_null( $diff ) && wfMsgForContent( 'history_copyright' ) !== '-' ) {
 833                         $msg = 'history_copyright';
 834                 } else {
 835                         $msg = 'copyright';
 836                 }
 837
 838                 $out = '';
 839                 if( $wgRightsPage ) {
 840                         $link = $this->makeKnownLink( $wgRightsPage, $wgRightsText );
 841                 } elseif( $wgRightsUrl ) {
 842                         $link = $this->makeExternalLink( $wgRightsUrl, $wgRightsText );
 843                 } else {
 844                         # Give up now
 845                         return $out;
 846                 }
 847                 $out .= wfMsgForContent( $msg, $link );
 848                 return $out;
 849         }
 850
 851         function getCopyrightIcon() {
 852                 global $wgRightsPage, $wgRightsUrl, $wgRightsText, $wgRightsIcon;
 853                 $out = '';
 854                 if( $wgRightsIcon ) {
 855                         $icon = htmlspecialchars( $wgRightsIcon );
 856                         if( $wgRightsUrl ) {
 857                                 $url = htmlspecialchars( $wgRightsUrl );
 858                                 $out .= '<a href="'.$url.'">';
 859                         }
 860                         $text = htmlspecialchars( $wgRightsText );
 861                         $out .= "<img src=\"$icon\" alt='$text' />";
 862                         if( $wgRightsUrl ) {
 863                                 $out .= '</a>';
 864                         }
 865                 }
 866                 return $out;
 867         }
 868
 869         function getPoweredBy() {
 870                 global $wgStylePath;
 871                 $url = htmlspecialchars( "$wgStylePath/common/images/poweredby_mediawiki_88x31.png" );
 872                 $img = '<a href="http://www.mediawiki.org/"><img src="'.$url.'" alt="MediaWiki" /></a>';
 873                 return $img;
 874         }
 875
 876         function lastModified() {
 877                 global $wgLang, $wgArticle;
 878
 879                 $timestamp = $wgArticle->getTimestamp();
 880                 if ( $timestamp ) {
 881                         $d = $wgLang->timeanddate( $wgArticle->getTimestamp(), true );
 882                         $s = ' ' . wfMsg( 'lastmodified', $d );
 883                 } else {
 884                         $s = '';
 885                 }
 886                 return $s;
 887         }
 888
 889         function logoText( $align = '' ) {
 890                 if ( '' != $align ) { $a = " align='{$align}'"; }
 891                 else { $a = ''; }
 892
 893                 $mp = wfMsg( 'mainpage' );
 894                 $titleObj = Title::newFromText( $mp );
 895                 if ( is_object( $titleObj ) ) {
 896                         $url = $titleObj->escapeLocalURL();
 897                 } else {
 898                         $url = '';
 899                 }
 900
 901                 $logourl = $this->getLogo();
 902                 $s = "<a href='{$url}'><img{$a} src='{$logourl}' alt='[{$mp}]' /></a>";
 903                 return $s;
 904         }
 905
 906         /**
 907          * show a drop-down box of special pages
 908          * @TODO crash bug913. Need to be rewrote completly.
 909          */
 910         function specialPagesList() {
 911                 global $wgUser, $wgOut, $wgContLang, $wgServer, $wgRedirectScript;
 912                 require_once('SpecialPage.php');
 913                 $a = array();
 914                 $pages = SpecialPage::getPages();
 915
 916                 foreach ( $pages[''] as $name => $page ) {
 917                         $a[$name] = $page->getDescription();
 918                 }
 919                 if ( $wgUser->isSysop() )
 920                 {
 921                         foreach ( $pages['sysop'] as $name => $page ) {
 922                                 $a[$name] = $page->getDescription();
 923                         }
 924                 }
 925                 if ( $wgUser->isDeveloper() )
 926                 {
 927                         foreach ( $pages['developer'] as $name => $page ) {
 928                                 $a[$name] = $page->getDescription() ;
 929                         }
 930                 }
 931                 $go = wfMsg( 'go' );
 932                 $sp = wfMsg( 'specialpages' );
 933                 $spp = $wgContLang->specialPage( 'Specialpages' );
 934
 935                 $s = '<form id="specialpages" method="get" class="inline" ' .
 936                   'action="' . htmlspecialchars( "{$wgServer}{$wgRedirectScript}" ) . "\">\n";
 937                 $s .= "<select name=\"wpDropdown\">\n";
 938                 $s .= "<option value=\"{$spp}\">{$sp}</option>\n";
 939
 940                 foreach ( $a as $name => $desc ) {
 941                         $p = $wgContLang->specialPage( $name );
 942                         $s .= "<option value=\"{$p}\">{$desc}</option>\n";
 943                 }
 944                 $s .= "</select>\n";
 945                 $s .= "<input type='submit' value=\"{$go}\" name='redirect' />\n";
 946                 $s .= "</form>\n";
 947                 return $s;
 948         }
 949
 950         function mainPageLink() {
 951                 $mp = wfMsgForContent( 'mainpage' );
 952                 $mptxt = wfMsg( 'mainpage');
 953                 $s = $this->makeKnownLink( $mp, $mptxt );
 954                 return $s;
 955         }
 956
 957         function copyrightLink() {
 958                 $s = $this->makeKnownLink( wfMsgForContent( 'copyrightpage' ),
 959                   wfMsg( 'copyrightpagename' ) );
 960                 return $s;
 961         }
 962
 963         function aboutLink() {
 964                 $s = $this->makeKnownLink( wfMsgForContent( 'aboutpage' ),
 965                   wfMsg( 'aboutsite' ) );
 966                 return $s;
 967         }
 968
 969
 970         function disclaimerLink() {
 971                 $disclaimers = wfMsg( 'disclaimers' );
 972                 if ($disclaimers == '-') {
 973                         return "";
 974                 } else {
 975                         return $this->makeKnownLink( wfMsgForContent( 'disclaimerpage' ),
 976                                                      $disclaimers );
 977                 }
 978         }
 979
 980         function editThisPage() {
 981                 global $wgOut, $wgTitle, $wgRequest;
 982
 983                 $oldid = $wgRequest->getVal( 'oldid' );
 984                 $diff = $wgRequest->getVal( 'diff' );
 985                 $redirect = $wgRequest->getVal( 'redirect' );
 986
 987                 if ( ! $wgOut->isArticleRelated() ) {
 988                         $s = wfMsg( 'protectedpage' );
 989                 } else {
 990                         $n = $wgTitle->getPrefixedText();
 991                         if ( $wgTitle->userCanEdit() ) {
 992                                 $t = wfMsg( 'editthispage' );
 993                         } else {
 994                                 #$t = wfMsg( "protectedpage" );
 995                                 $t = wfMsg( 'viewsource' );
 996                         }
 997                         $oid = $red = '';
 998
 999                         if ( !is_null( $redirect ) ) { $red = "&redirect={$redirect}"; }
1000                         if ( $oldid && ! isset( $diff ) ) {
1001                                 $oid = '&oldid='.$oldid;
1002                         }
1003                         $s = $this->makeKnownLink( $n, $t, "action=edit{$oid}{$red}" );
1004                 }
1005                 return $s;
1006         }
1007
1008         function deleteThisPage() {
1009                 global $wgUser, $wgOut, $wgTitle, $wgRequest;
1010
1011                 $diff = $wgRequest->getVal( 'diff' );
1012                 if ( $wgTitle->getArticleId() && ( ! $diff ) && $wgUser->isAllowed('delete') ) {
1013                         $n = $wgTitle->getPrefixedText();
1014                         $t = wfMsg( 'deletethispage' );
1015
1016                         $s = $this->makeKnownLink( $n, $t, 'action=delete' );
1017                 } else {
1018                         $s = '';
1019                 }
1020                 return $s;
1021         }
1022
1023         function protectThisPage() {
1024                 global $wgUser, $wgOut, $wgTitle, $wgRequest;
1025
1026                 $diff = $wgRequest->getVal( 'diff' );
1027                 if ( $wgTitle->getArticleId() && ( ! $diff ) && $wgUser->isAllowed('protect') ) {
1028                         $n = $wgTitle->getPrefixedText();
1029
1030                         if ( $wgTitle->isProtected() ) {
1031                                 $t = wfMsg( 'unprotectthispage' );
1032                                 $q = 'action=unprotect';
1033                         } else {
1034                                 $t = wfMsg( 'protectthispage' );
1035                                 $q = 'action=protect';
1036                         }
1037                         $s = $this->makeKnownLink( $n, $t, $q );
1038                 } else {
1039                         $s = '';
1040                 }
1041                 return $s;
1042         }
1043
1044         function watchThisPage() {
1045                 global $wgUser, $wgOut, $wgTitle;
1046
1047                 if ( $wgOut->isArticleRelated() ) {
1048                         $n = $wgTitle->getPrefixedText();
1049
1050                         if ( $wgTitle->userIsWatching() ) {
1051                                 $t = wfMsg( 'unwatchthispage' );
1052                                 $q = 'action=unwatch';
1053                         } else {
1054                                 $t = wfMsg( 'watchthispage' );
1055                                 $q = 'action=watch';
1056                         }
1057                         $s = $this->makeKnownLink( $n, $t, $q );
1058                 } else {
1059                         $s = wfMsg( 'notanarticle' );
1060                 }
1061                 return $s;
1062         }
1063
1064         function moveThisPage() {
1065                 global $wgTitle, $wgContLang;
1066
1067                 if ( $wgTitle->userCanMove() ) {
1068                         $s = $this->makeKnownLink( $wgContLang->specialPage( 'Movepage' ),
1069                           wfMsg( 'movethispage' ), 'target=' . $wgTitle->getPrefixedURL() );
1070                 } // no message if page is protected - would be redundant
1071                 return $s;
1072         }
1073
1074         function historyLink() {
1075                 global $wgTitle;
1076
1077                 $s = $this->makeKnownLink( $wgTitle->getPrefixedText(),
1078                   wfMsg( 'history' ), 'action=history' );
1079                 return $s;
1080         }
1081
1082         function whatLinksHere() {
1083                 global $wgTitle, $wgContLang;
1084
1085                 $s = $this->makeKnownLink( $wgContLang->specialPage( 'Whatlinkshere' ),
1086                   wfMsg( 'whatlinkshere' ), 'target=' . $wgTitle->getPrefixedURL() );
1087                 return $s;
1088         }
1089
1090         function userContribsLink() {
1091                 global $wgTitle, $wgContLang;
1092
1093                 $s = $this->makeKnownLink( $wgContLang->specialPage( 'Contributions' ),
1094                   wfMsg( 'contributions' ), 'target=' . $wgTitle->getPartialURL() );
1095                 return $s;
1096         }
1097
1098         function showEmailUser( $id ) {
1099                 global $wgEnableEmail, $wgEnableUserEmail, $wgUser;
1100                 return $wgEnableEmail &&
1101                        $wgEnableUserEmail &&
1102                        0 != $wgUser->getID() && # show only to signed in users
1103                        0 != $id; # can only email non-anons
1104         }
1105
1106         function emailUserLink() {
1107                 global $wgTitle, $wgContLang;
1108
1109                 $s = $this->makeKnownLink( $wgContLang->specialPage( 'Emailuser' ),
1110                   wfMsg( 'emailuser' ), 'target=' . $wgTitle->getPartialURL() );
1111                 return $s;
1112         }
1113
1114         function watchPageLinksLink() {
1115                 global $wgOut, $wgTitle, $wgContLang;
1116
1117                 if ( ! $wgOut->isArticleRelated() ) {
1118                         $s = '(' . wfMsg( 'notanarticle' ) . ')';
1119                 } else {
1120                         $s = $this->makeKnownLink( $wgContLang->specialPage(
1121                           'Recentchangeslinked' ), wfMsg( 'recentchangeslinked' ),
1122                           'target=' . $wgTitle->getPrefixedURL() );
1123                 }
1124                 return $s;
1125         }
1126
1127         function otherLanguages() {
1128                 global $wgOut, $wgContLang, $wgTitle, $wgUseNewInterlanguage;
1129
1130                 $a = $wgOut->getLanguageLinks();
1131                 if ( 0 == count( $a ) ) {
1132                         if ( !$wgUseNewInterlanguage ) return '';
1133                         $ns = $wgContLang->getNsIndex ( $wgTitle->getNamespace () ) ;
1134                         if ( $ns != 0 AND $ns != 1 ) return '' ;
1135                         $pn = 'Intl' ;
1136                         $x = 'mode=addlink&xt='.$wgTitle->getDBkey() ;
1137                         return $this->makeKnownLink( $wgContLang->specialPage( $pn ),
1138                                   wfMsg( 'intl' ) , $x );
1139                         }
1140
1141                 if ( !$wgUseNewInterlanguage ) {
1142                         $s = wfMsg( 'otherlanguages' ) . ': ';
1143                 } else {
1144                         global $wgContLanguageCode ;
1145                         $x = 'mode=zoom&xt='.$wgTitle->getDBkey() ;
1146                         $x .= '&xl='.$wgContLanguageCode ;
1147                         $s =  $this->makeKnownLink( $wgContLang->specialPage( 'Intl' ),
1148                                   wfMsg( 'otherlanguages' ) , $x ) . ': ' ;
1149                         }
1150
1151                 $s = wfMsg( 'otherlanguages' ) . ': ';
1152                 $first = true;
1153                 if($wgContLang->isRTL()) $s .= '<span dir="LTR">';
1154                 foreach( $a as $l ) {
1155                         if ( ! $first ) { $s .= ' | '; }
1156                         $first = false;
1157
1158                         $nt = Title::newFromText( $l );
1159                         $url = $nt->getFullURL();
1160                         $text = $wgContLang->getLanguageName( $nt->getInterwiki() );
1161
1162                         if ( '' == $text ) { $text = $l; }
1163                         $style = $this->getExternalLinkAttributes( $l, $text );
1164                         $s .= "<a href=\"{$url}\"{$style}>{$text}</a>";
1165                 }
1166                 if($wgContLang->isRTL()) $s .= '</span>';
1167                 return $s;
1168         }
1169
1170         function bugReportsLink() {
1171                 $s = $this->makeKnownLink( wfMsgForContent( 'bugreportspage' ),
1172                   wfMsg( 'bugreports' ) );
1173                 return $s;
1174         }
1175
1176         function dateLink() {
1177                 global $wgLinkCache;
1178                 $t1 = Title::newFromText( gmdate( 'F j' ) );
1179                 $t2 = Title::newFromText( gmdate( 'Y' ) );
1180
1181                 $wgLinkCache->suspend();
1182                 $id = $t1->getArticleID();
1183                 $wgLinkCache->resume();
1184
1185                 if ( 0 == $id ) {
1186                         $s = $this->makeBrokenLink( $t1->getText() );
1187                 } else {
1188                         $s = $this->makeKnownLink( $t1->getText() );
1189                 }
1190                 $s .= ', ';
1191
1192                 $wgLinkCache->suspend();
1193                 $id = $t2->getArticleID();
1194                 $wgLinkCache->resume();
1195
1196                 if ( 0 == $id ) {
1197                         $s .= $this->makeBrokenLink( $t2->getText() );
1198                 } else {
1199                         $s .= $this->makeKnownLink( $t2->getText() );
1200                 }
1201                 return $s;
1202         }
1203
1204         function talkLink() {
1205                 global $wgContLang, $wgTitle, $wgLinkCache;
1206
1207                 $tns = $wgTitle->getNamespace();
1208                 if ( -1 == $tns ) { return ''; }
1209
1210                 $pn = $wgTitle->getText();
1211                 $tp = wfMsg( 'talkpage' );
1212                 if ( Namespace::isTalk( $tns ) ) {
1213                         $lns = Namespace::getSubject( $tns );
1214                         switch($tns) {
1215                                 case 1:
1216                                 $text = wfMsg('articlepage');
1217                                 break;
1218                                 case 3:
1219                                 $text = wfMsg('userpage');
1220                                 break;
1221                                 case 5:
1222                                 $text = wfMsg('wikipediapage');
1223                                 break;
1224                                 case 7:
1225                                 $text = wfMsg('imagepage');
1226                                 break;
1227                                 default:
1228                                 $text= wfMsg('articlepage');
1229                         }
1230                 } else {
1231
1232                         $lns = Namespace::getTalk( $tns );
1233                         $text=$tp;
1234                 }
1235                 $n = $wgContLang->getNsText( $lns );
1236                 if ( '' == $n ) { $link = $pn; }
1237                 else { $link = $n.':'.$pn; }
1238
1239                 $wgLinkCache->suspend();
1240                 $s = $this->makeLink( $link, $text );
1241                 $wgLinkCache->resume();
1242
1243                 return $s;
1244         }
1245
1246         function commentLink() {
1247                 global $wgContLang, $wgTitle, $wgLinkCache;
1248
1249                 $tns = $wgTitle->getNamespace();
1250                 if ( -1 == $tns ) { return ''; }
1251
1252                 $lns = ( Namespace::isTalk( $tns ) ) ? $tns : Namespace::getTalk( $tns );
1253
1254                 # assert Namespace::isTalk( $lns )
1255
1256                 $n = $wgContLang->getNsText( $lns );
1257                 $pn = $wgTitle->getText();
1258
1259                 $link = $n.':'.$pn;
1260
1261                 $wgLinkCache->suspend();
1262                 $s = $this->makeKnownLink($link, wfMsg('postcomment'), 'action=edit&section=new');
1263                 $wgLinkCache->resume();
1264
1265                 return $s;
1266         }
1267
1268         /**
1269          * After all the page content is transformed into HTML, it makes
1270          * a final pass through here for things like table backgrounds.
1271          * @todo probably deprecated [AV]
1272          */
1273         function transformContent( $text ) {
1274                 return $text;
1275         }
1276
1277         /**
1278          * Note: This function MUST call getArticleID() on the link,
1279          * otherwise the cache won't get updated properly.  See LINKCACHE.DOC.
1280          */
1281         function makeLink( $title, $text = '', $query = '', $trail = '' ) {
1282                 wfProfileIn( 'Skin::makeLink' );
1283                 $nt = Title::newFromText( $title );
1284                 if ($nt) {
1285                         $result = $this->makeLinkObj( Title::newFromText( $title ), $text, $query, $trail );
1286                 } else {
1287                         wfDebug( 'Invalid title passed to Skin::makeLink(): "'.$title."\"\n" );
1288                         $result = $text == "" ? $title : $text;
1289                 }
1290
1291                 wfProfileOut( 'Skin::makeLink' );
1292                 return $result;
1293         }
1294
1295         function makeKnownLink( $title, $text = '', $query = '', $trail = '', $prefix = '',$aprops = '') {
1296                 $nt = Title::newFromText( $title );
1297                 if ($nt) {
1298                         return $this->makeKnownLinkObj( Title::newFromText( $title ), $text, $query, $trail, $prefix , $aprops );
1299                 } else {
1300                         wfDebug( 'Invalid title passed to Skin::makeKnownLink(): "'.$title."\"\n" );
1301                         return $text == '' ? $title : $text;
1302                 }
1303         }
1304
1305         function makeBrokenLink( $title, $text = '', $query = '', $trail = '' ) {
1306                 $nt = Title::newFromText( $title );
1307                 if ($nt) {
1308                         return $this->makeBrokenLinkObj( Title::newFromText( $title ), $text, $query, $trail );
1309                 } else {
1310                         wfDebug( 'Invalid title passed to Skin::makeBrokenLink(): "'.$title."\"\n" );
1311                         return $text == '' ? $title : $text;
1312                 }
1313         }
1314
1315         function makeStubLink( $title, $text = '', $query = '', $trail = '' ) {
1316                 $nt = Title::newFromText( $title );
1317                 if ($nt) {
1318                         return $this->makeStubLinkObj( Title::newFromText( $title ), $text, $query, $trail );
1319                 } else {
1320                         wfDebug( 'Invalid title passed to Skin::makeStubLink(): "'.$title."\"\n" );
1321                         return $text == '' ? $title : $text;
1322                 }
1323         }
1324
1325         /**
1326          * Pass a title object, not a title string
1327          */
1328         function makeLinkObj( &$nt, $text= '', $query = '', $trail = '', $prefix = '' ) {
1329                 global $wgOut, $wgUser, $wgLinkHolders;
1330                 $fname = 'Skin::makeLinkObj';
1331                 wfProfileIn( $fname );
1332
1333                 # Fail gracefully
1334                 if ( ! isset($nt) ) {
1335                         # wfDebugDieBacktrace();
1336                         wfProfileOut( $fname );
1337                         return "<!-- ERROR -->{$prefix}{$text}{$trail}";
1338                 }
1339
1340                 $ns = $nt->getNamespace();
1341                 $dbkey = $nt->getDBkey();
1342                 if ( $nt->isExternal() ) {
1343                         $u = $nt->getFullURL();
1344                         $link = $nt->getPrefixedURL();
1345                         if ( '' == $text ) { $text = $nt->getPrefixedText(); }
1346                         $style = $this->getExternalLinkAttributes( $link, $text, 'extiw' );
1347
1348                         $inside = '';
1349                         if ( '' != $trail ) {
1350                                 if ( preg_match( '/^([a-z]+)(.*)$$/sD', $trail, $m ) ) {
1351                                         $inside = $m[1];
1352                                         $trail = $m[2];
1353                                 }
1354                         }
1355                         # Assume $this->postParseLinkColour(). This prevents
1356                         # interwiki links from being parsed as external links.
1357                         global $wgInterwikiLinkHolders;
1358                         $t = "<a href=\"{$u}\"{$style}>{$text}{$inside}</a>";
1359                         $nr = array_push($wgInterwikiLinkHolders, $t);
1360                         $retVal = '<!--IWLINK '. ($nr-1) ."-->{$trail}";
1361                 } elseif ( 0 == $ns && "" == $dbkey ) {
1362                         # A self-link with a fragment; skip existence check.
1363                         $retVal = $this->makeKnownLinkObj( $nt, $text, $query, $trail, $prefix );
1364                 } elseif ( ( NS_SPECIAL == $ns ) || ( NS_IMAGE == $ns ) ) {
1365                         # These are always shown as existing, currently.
1366                         # Special pages don't exist in the database; images may
1367                         # occasionally be present when there is no description
1368                         # page per se, so we always shown them.
1369                         $retVal = $this->makeKnownLinkObj( $nt, $text, $query, $trail, $prefix );
1370                 } elseif ( $this->postParseLinkColour ) {
1371                         wfProfileIn( $fname.'-postparse' );
1372                         # Insert a placeholder, and we'll work out the existence checks
1373                         # in a big lump later.
1374                         $inside = '';
1375                         if ( '' != $trail ) {
1376                                 if ( preg_match( $this->linktrail, $trail, $m ) ) {
1377                                         $inside = $m[1];
1378                                         $trail = $m[2];
1379                                 }
1380                         }
1381
1382                         # These get picked up by Parser::replaceLinkHolders()
1383                         $nr = array_push( $wgLinkHolders['namespaces'], $nt->getNamespace() );
1384                         $wgLinkHolders['dbkeys'][] = $dbkey;
1385                         $wgLinkHolders['queries'][] = $query;
1386                         $wgLinkHolders['texts'][] = $prefix.$text.$inside;
1387                         $wgLinkHolders['titles'][] =& $nt;
1388
1389                         $retVal = '<!--LINK '. ($nr-1) ."-->{$trail}";
1390                         wfProfileOut( $fname.'-postparse' );
1391                 } else {
1392                         wfProfileIn( $fname.'-immediate' );
1393                         # Work out link colour immediately
1394                         $aid = $nt->getArticleID() ;
1395                         if ( 0 == $aid ) {
1396                                 $retVal = $this->makeBrokenLinkObj( $nt, $text, $query, $trail, $prefix );
1397                         } else {
1398                                 $threshold = $wgUser->getOption('stubthreshold') ;
1399                                 if ( $threshold > 0 ) {
1400                                         $dbr =& wfGetDB( DB_SLAVE );
1401                                         $s = $dbr->selectRow( 'cur', array( 'LENGTH(cur_text) AS x', 'cur_namespace',
1402                                                 'cur_is_redirect' ), array( 'cur_id' => $aid ), $fname ) ;
1403                                         if ( $s !== false ) {
1404                                                 $size = $s->x;
1405                                                 if ( $s->cur_is_redirect OR $s->cur_namespace != 0 ) {
1406                                                         $size = $threshold*2 ; # Really big
1407                                                 }
1408                                         } else {
1409                                                 $size = $threshold*2 ; # Really big
1410                                         }
1411                                 } else {
1412                                         $size = 1 ;
1413                                 }
1414                                 if ( $size < $threshold ) {
1415                                         $retVal = $this->makeStubLinkObj( $nt, $text, $query, $trail, $prefix );
1416                                 } else {
1417                                         $retVal = $this->makeKnownLinkObj( $nt, $text, $query, $trail, $prefix );
1418                                 }
1419                         }
1420                         wfProfileOut( $fname.'-immediate' );
1421                 }
1422                 wfProfileOut( $fname );
1423                 return $retVal;
1424         }
1425
1426         /**
1427          * Pass a title object, not a title string
1428          */
1429         function makeKnownLinkObj( &$nt, $text = '', $query = '', $trail = '', $prefix = '' , $aprops = '' ) {
1430                 global $wgOut, $wgTitle, $wgInputEncoding;
1431
1432                 $fname = 'Skin::makeKnownLinkObj';
1433                 wfProfileIn( $fname );
1434
1435                 if ( !is_object( $nt ) ) {
1436                         wfProfileIn( $fname );
1437                         return $text;
1438                 }
1439
1440                 $u = $nt->escapeLocalURL( $query );
1441                 if ( '' != $nt->getFragment() ) {
1442                         if( $nt->getPrefixedDbkey() == '' ) {
1443                                 $u = '';
1444                                 if ( '' == $text ) {
1445                                         $text = htmlspecialchars( $nt->getFragment() );
1446                                 }
1447                         }
1448                         $anchor = urlencode( do_html_entity_decode( str_replace(' ', '_', $nt->getFragment()), ENT_COMPAT, $wgInputEncoding ) );
1449                         $replacearray = array(
1450                                 '%3A' => ':',
1451                                 '%' => '.'
1452                         );
1453                         $u .= '#' . str_replace(array_keys($replacearray),array_values($replacearray),$anchor);
1454                 }
1455                 if ( '' == $text ) {
1456                         $text = htmlspecialchars( $nt->getPrefixedText() );
1457                 }
1458                 $style = $this->getInternalLinkAttributesObj( $nt, $text );
1459
1460                 $inside = '';
1461                 if ( '' != $trail ) {
1462                         if ( preg_match( $this->linktrail, $trail, $m ) ) {
1463                                 $inside = $m[1];
1464                                 $trail = $m[2];
1465                         }
1466                 }
1467                 $r = "<a href=\"{$u}\"{$style}{$aprops}>{$prefix}{$text}{$inside}</a>{$trail}";
1468                 wfProfileOut( $fname );
1469                 return $r;
1470         }
1471
1472         /**
1473          * Pass a title object, not a title string
1474          */
1475         function makeBrokenLinkObj( &$nt, $text = '', $query = '', $trail = '', $prefix = '' ) {
1476                 # Fail gracefully
1477                 if ( ! isset($nt) ) {
1478                         # wfDebugDieBacktrace();
1479                         return "<!-- ERROR -->{$prefix}{$text}{$trail}";
1480                 }
1481
1482                 $fname = 'Skin::makeBrokenLinkObj';
1483                 wfProfileIn( $fname );
1484
1485                 if ( '' == $query ) {
1486                         $q = 'action=edit';
1487                 } else {
1488                         $q = 'action=edit&'.$query;
1489                 }
1490                 $u = $nt->escapeLocalURL( $q );
1491
1492                 if ( '' == $text ) {
1493                         $text = htmlspecialchars( $nt->getPrefixedText() );
1494                 }
1495                 $style = $this->getInternalLinkAttributesObj( $nt, $text, "yes" );
1496
1497                 $inside = '';
1498                 if ( '' != $trail ) {
1499                         if ( preg_match( $this->linktrail, $trail, $m ) ) {
1500                                 $inside = $m[1];
1501                                 $trail = $m[2];
1502                         }
1503                 }
1504                 if ( $this->mOptions['highlightbroken'] ) {
1505                         $s = "<a href=\"{$u}\"{$style}>{$prefix}{$text}{$inside}</a>{$trail}";
1506                 } else {
1507                         $s = "{$prefix}{$text}{$inside}<a href=\"{$u}\"{$style}>?</a>{$trail}";
1508                 }
1509
1510                 wfProfileOut( $fname );
1511                 return $s;
1512         }
1513
1514         /**
1515          * Pass a title object, not a title string
1516          */
1517         function makeStubLinkObj( &$nt, $text = '', $query = '', $trail = '', $prefix = '' ) {
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 ( $this->mOptions['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
1931         /**
1932          * This function is called by all recent changes variants, by the page history,
1933          * and by the user contributions list. It is responsible for formatting edit
1934          * comments. It escapes any HTML in the comment, but adds some CSS to format
1935          * auto-generated comments (from section editing) and formats [[wikilinks]].
1936          *
1937          * The &$title parameter must be a title OBJECT. It is used to generate a
1938          * direct link to the section in the autocomment.
1939          * @author Erik Moeller <moeller@scireview.de>
1940          *
1941          * Note: there's not always a title to pass to this function.
1942          * Since you can't set a default parameter for a reference, I've turned it
1943          * temporarily to a value pass. Should be adjusted further. --brion
1944          */
1945         function formatComment($comment, $title = NULL) {
1946                 $fname = 'Skin::formatComment';
1947                 wfProfileIn( $fname );
1948
1949                 global $wgContLang;
1950                 $comment = htmlspecialchars( $comment );
1951
1952                 # The pattern for autogen comments is / * foo * /, which makes for
1953                 # some nasty regex.
1954                 # We look for all comments, match any text before and after the comment,
1955                 # add a separator where needed and format the comment itself with CSS
1956                 while (preg_match('/(.*)\/\*\s*(.*?)\s*\*\/(.*)/', $comment,$match)) {
1957                         $pre=$match[1];
1958                         $auto=$match[2];
1959                         $post=$match[3];
1960                         $link='';
1961                         if($title) {
1962                                 $section=$auto;
1963
1964                                 # This is hackish but should work in most cases.
1965                                 $section=str_replace('[[','',$section);
1966                                 $section=str_replace(']]','',$section);
1967                                 $title->mFragment=$section;
1968                                 $link=$this->makeKnownLinkObj($title,wfMsg('sectionlink'));
1969                         }
1970                         $sep='-';
1971                         $auto=$link.$auto;
1972                         if($pre) { $auto = $sep.' '.$auto; }
1973                         if($post) { $auto .= ' '.$sep; }
1974                         $auto='<span class="autocomment">'.$auto.'</span>';
1975                         $comment=$pre.$auto.$post;
1976                 }
1977
1978                 # format regular and media links - all other wiki formatting
1979                 # is ignored
1980                 $medians = $wgContLang->getNsText(Namespace::getMedia()).':';
1981                 while(preg_match('/\[\[(.*?)(\|(.*?))*\]\](.*)$/',$comment,$match)) {
1982                         # Handle link renaming [[foo|text]] will show link as "text"
1983                         if( "" != $match[3] ) {
1984                                 $text = $match[3];
1985                         } else {
1986                                 $text = $match[1];
1987                         }
1988                         if( preg_match( '/^' . $medians . '(.*)$/i', $match[1], $submatch ) ) {
1989                                 # Media link; trail not supported.
1990                                 $linkRegexp = '/\[\[(.*?)\]\]/';
1991                                 $thelink = $this->makeMediaLink( $submatch[1], "", $text );
1992                         } else {
1993                                 # Other kind of link
1994                                 if( preg_match( wfMsgForContent( "linktrail" ), $match[4], $submatch ) ) {
1995                                         $trail = $submatch[1];
1996                                 } else {
1997                                         $trail = "";
1998                                 }
1999                                 $linkRegexp = '/\[\[(.*?)\]\]' . preg_quote( $trail, '/' ) . '/';
2000                                 if ($match[1][0] == ':')
2001                                         $match[1] = substr($match[1], 1);
2002                                 $thelink = $this->makeLink( $match[1], $text, "", $trail );
2003                         }
2004                         $comment = preg_replace( $linkRegexp, $thelink, $comment, 1 );
2005                 }
2006                 wfProfileOut( $fname );
2007                 return $comment;
2008         }
2009
2010         function tocIndent($level) {
2011                 return str_repeat( '<div class="tocindent">'."\n", $level>0 ? $level : 0 );
2012         }
2013
2014         function tocUnindent($level) {
2015                 return str_repeat( "</div>\n", $level>0 ? $level : 0 );
2016         }
2017
2018         /**
2019          * parameter level defines if we are on an indentation level
2020          */
2021         function tocLine( $anchor, $tocline, $level ) {
2022                 $link = '<a href="#'.$anchor.'">'.$tocline.'</a><br />';
2023                 if($level) {
2024                         return $link."\n";
2025                 } else {
2026                         return '<div class="tocline">'.$link."</div>\n";
2027                 }
2028
2029         }
2030
2031         function tocTable($toc) {
2032                 # note to CSS fanatics: putting this in a div does not work -- div won't auto-expand
2033                 # try min-width & co when somebody gets a chance
2034                 $hideline = ' <script type="text/javascript">showTocToggle("' . addslashes( wfMsg('showtoc') ) . '","' . addslashes( wfMsg('hidetoc') ) . '")</script>';
2035                 return
2036                 '<table border="0" id="toc"><tr id="toctitle"><td align="center">'."\n".
2037                 '<b>'.wfMsgForContent('toc').'</b>' .
2038                 $hideline .
2039                 '</td></tr><tr id="tocinside"><td>'."\n".
2040                 $toc."</td></tr></table>\n";
2041         }
2042
2043         /**
2044          * These two do not check for permissions: check $wgTitle->userCanEdit
2045          * before calling them
2046          */
2047         function editSectionScriptForOther( $title, $section, $head ) {
2048                 $ttl = Title::newFromText( $title );
2049                 $url = $ttl->escapeLocalURL( 'action=edit&section='.$section );
2050                 return '<span oncontextmenu=\'document.location="'.$url.'";return false;\'>'.$head.'</span>';
2051         }
2052
2053         function editSectionScript( $nt, $section, $head ) {
2054                 global $wgRequest;
2055                 if( $wgRequest->getInt( 'oldid' ) && ( $wgRequest->getVal( 'diff' ) != '0' ) ) {
2056                         return $head;
2057                 }
2058                 $url = $nt->escapeLocalURL( 'action=edit&section='.$section );
2059                 return '<span oncontextmenu=\'document.location="'.$url.'";return false;\'>'.$head.'</span>';
2060         }
2061
2062         function editSectionLinkForOther( $title, $section ) {
2063                 global $wgRequest;
2064                 global $wgContLang;
2065
2066                 $title = Title::newFromText($title);
2067                 $editurl = '&section='.$section;
2068                 $url = $this->makeKnownLink($title->getPrefixedText(),wfMsg('editsection'),'action=edit'.$editurl);
2069
2070                 if( $wgContLang->isRTL() ) {
2071                         $farside = 'left';
2072                         $nearside = 'right';
2073                 } else {
2074                         $farside = 'right';
2075                         $nearside = 'left';
2076                 }
2077                 return "<div class=\"editsection\" style=\"float:$farside;margin-$nearside:5px;\">[".$url."]</div>";
2078
2079         }
2080
2081         function editSectionLink( $nt, $section ) {
2082                 global $wgRequest;
2083                 global $wgContLang;
2084
2085                 if( $wgRequest->getInt( 'oldid' ) && ( $wgRequest->getVal( 'diff' ) != '0' ) ) {
2086                         # Section edit links would be out of sync on an old page.
2087                         # But, if we're diffing to the current page, they'll be
2088                         # correct.
2089                         return '';
2090                 }
2091
2092                 $editurl = '&section='.$section;
2093                 $url = $this->makeKnownLink($nt->getPrefixedText(),wfMsg('editsection'),'action=edit'.$editurl);
2094
2095                 if( $wgContLang->isRTL() ) {
2096                         $farside = 'left';
2097                         $nearside = 'right';
2098                 } else {
2099                         $farside = 'right';
2100                         $nearside = 'left';
2101                 }
2102                 return "<div class=\"editsection\" style=\"float:$farside;margin-$nearside:5px;\">[".$url."]</div>";
2103
2104         }
2105
2106         /**
2107          * @access public
2108          */
2109         function suppressUrlExpansion() {
2110                 return false;
2111         }
2112 }
2113
2114 }
2115 ?>