includes/Skin.php

   1 <?php
   2 if ( ! defined( 'MEDIAWIKI' ) )
   3         die( -1 );
   4
   5 /**
   6  *
   7  * @package MediaWiki
   8  * @subpackage Skins
   9  */
  10
  11 # See skin.txt
  12 require_once( 'Linker.php' );
  13 require_once( 'Image.php' );
  14
  15 # Get a list of all skins available in /skins/
  16 # Build using the regular expression '^(.*).php$'
  17 # Array keys are all lower case, array value keep the case used by filename
  18 #
  19
  20 $skinDir = dir($IP.'/skins');
  21
  22 # while code from www.php.net
  23 while (false !== ($file = $skinDir->read())) {
  24         // Skip non-PHP files, hidden files, and '.dep' includes
  25         if(preg_match('/^([^.]*)\.php$/',$file, $matches)) {
  26                 $aSkin = $matches[1];
  27                 $wgValidSkinNames[strtolower($aSkin)] = $aSkin;
  28         }
  29 }
  30 $skinDir->close();
  31 unset($matches);
  32
  33 /**
  34  * The main skin class that provide methods and properties for all other skins.
  35  * This base class is also the "Standard" skin.
  36  * @package MediaWiki
  37  */
  38 class Skin extends Linker {
  39         /**#@+
  40          * @access private
  41          */
  42         var $lastdate, $lastline;
  43         var $rc_cache ; # Cache for Enhanced Recent Changes
  44         var $rcCacheIndex ; # Recent Changes Cache Counter for visibility toggle
  45         var $rcMoveIndex;
  46         /**#@-*/
  47
  48         /** Constructor, call parent constructor */
  49         function Skin() { parent::Linker(); }
  50
  51         /**
  52          * Fetch the set of available skins.
  53          * @return array of strings
  54          * @static
  55          */
  56         function getSkinNames() {
  57                 global $wgValidSkinNames;
  58                 return $wgValidSkinNames;
  59         }
  60
  61         /**
  62          * Normalize a skin preference value to a form that can be loaded.
  63          * If a skin can't be found, it will fall back to the configured
  64          * default (or the old 'Classic' skin if that's broken).
  65          * @param string $key
  66          * @return string
  67          * @static
  68          */
  69         function normalizeKey( $key ) {
  70                 global $wgDefaultSkin;
  71                 $skinNames = Skin::getSkinNames();
  72
  73                 if( $key == '' ) {
  74                         // Don't return the default immediately;
  75                         // in a misconfiguration we need to fall back.
  76                         $key = $wgDefaultSkin;
  77                 }
  78
  79                 if( isset( $skinNames[$key] ) ) {
  80                         return $key;
  81                 }
  82
  83                 // Older versions of the software used a numeric setting
  84                 // in the user preferences.
  85                 $fallback = array(
  86                         0 => $wgDefaultSkin,
  87                         1 => 'nostalgia',
  88                         2 => 'cologneblue' );
  89
  90                 if( isset( $fallback[$key] ) ){
  91                         $key = $fallback[$key];
  92                 }
  93
  94                 if( isset( $skinNames[$key] ) ) {
  95                         return $key;
  96                 } else {
  97                         // The old built-in skin
  98                         return 'standard';
  99                 }
 100         }
 101
 102         /**
 103          * Factory method for loading a skin of a given type
 104          * @param string $key 'monobook', 'standard', etc
 105          * @return Skin
 106          * @static
 107          */
 108         function &newFromKey( $key ) {
 109                 $key = Skin::normalizeKey( $key );
 110
 111                 $skinNames = Skin::getSkinNames();
 112                 $skinName = $skinNames[$key];
 113
 114                 global $IP;
 115
 116                 # Grab the skin class and initialise it.
 117                 wfSuppressWarnings();
 118                 // Preload base classes to work around APC/PHP5 bug
 119                 include_once( $IP.'/skins/'.$skinName.'.deps.php' );
 120                 wfRestoreWarnings();
 121                 require_once( $IP.'/skins/'.$skinName.'.php' );
 122
 123                 # Check if we got if not failback to default skin
 124                 $className = 'Skin'.$skinName;
 125                 if( !class_exists( $className ) ) {
 126                         # DO NOT die if the class isn't found. This breaks maintenance
 127                         # scripts and can cause a user account to be unrecoverable
 128                         # except by SQL manipulation if a previously valid skin name
 129                         # is no longer valid.
 130                         $className = 'SkinStandard';
 131                         require_once( $IP.'/skins/Standard.php' );
 132                 }
 133                 $skin =& new $className;
 134                 return $skin;
 135         }
 136
 137         /** @return string path to the skin stylesheet */
 138         function getStylesheet() {
 139                 return 'common/wikistandard.css?1';
 140         }
 141
 142         /** @return string skin name */
 143         function getSkinName() {
 144                 return 'standard';
 145         }
 146
 147         function qbSetting() {
 148                 global $wgOut, $wgUser;
 149
 150                 if ( $wgOut->isQuickbarSuppressed() ) { return 0; }
 151                 $q = $wgUser->getOption( 'quickbar' );
 152                 if ( '' == $q ) { $q = 0; }
 153                 return $q;
 154         }
 155
 156         function initPage( &$out ) {
 157                 global $wgFavicon;
 158
 159                 $fname = 'Skin::initPage';
 160                 wfProfileIn( $fname );
 161
 162                 if( false !== $wgFavicon ) {
 163                         $out->addLink( array( 'rel' => 'shortcut icon', 'href' => $wgFavicon ) );
 164                 }
 165
 166                 $this->addMetadataLinks($out);
 167
 168                 $this->mRevisionId = $out->mRevisionId;
 169
 170                 wfProfileOut( $fname );
 171         }
 172
 173         function addMetadataLinks( &$out ) {
 174                 global $wgTitle, $wgEnableDublinCoreRdf, $wgEnableCreativeCommonsRdf;
 175                 global $wgRightsPage, $wgRightsUrl;
 176
 177                 if( $out->isArticleRelated() ) {
 178                         # note: buggy CC software only reads first "meta" link
 179                         if( $wgEnableCreativeCommonsRdf ) {
 180                                 $out->addMetadataLink( array(
 181                                         'title' => 'Creative Commons',
 182                                         'type' => 'application/rdf+xml',
 183                                         'href' => $wgTitle->getLocalURL( 'action=creativecommons') ) );
 184                         }
 185                         if( $wgEnableDublinCoreRdf ) {
 186                                 $out->addMetadataLink( array(
 187                                         'title' => 'Dublin Core',
 188                                         'type' => 'application/rdf+xml',
 189                                         'href' => $wgTitle->getLocalURL( 'action=dublincore' ) ) );
 190                         }
 191                 }
 192                 $copyright = '';
 193                 if( $wgRightsPage ) {
 194                         $copy = Title::newFromText( $wgRightsPage );
 195                         if( $copy ) {
 196                                 $copyright = $copy->getLocalURL();
 197                         }
 198                 }
 199                 if( !$copyright && $wgRightsUrl ) {
 200                         $copyright = $wgRightsUrl;
 201                 }
 202                 if( $copyright ) {
 203                         $out->addLink( array(
 204                                 'rel' => 'copyright',
 205                                 'href' => $copyright ) );
 206                 }
 207         }
 208
 209         function outputPage( &$out ) {
 210                 global $wgDebugComments;
 211
 212                 wfProfileIn( 'Skin::outputPage' );
 213                 $this->initPage( $out );
 214
 215                 $out->out( $out->headElement() );
 216
 217                 $out->out( "\n<body" );
 218                 $ops = $this->getBodyOptions();
 219                 foreach ( $ops as $name => $val ) {
 220                         $out->out( " $name='$val'" );
 221                 }
 222                 $out->out( ">\n" );
 223                 if ( $wgDebugComments ) {
 224                         $out->out( "<!-- Wiki debugging output:\n" .
 225                           $out->mDebugtext . "-->\n" );
 226                 }
 227
 228                 $out->out( $this->beforeContent() );
 229
 230                 $out->out( $out->mBodytext . "\n" );
 231
 232                 $out->out( $this->afterContent() );
 233
 234                 $out->out( $out->reportTime() );
 235
 236                 $out->out( "\n</body></html>" );
 237         }
 238
 239         function getHeadScripts() {
 240                 global $wgStylePath, $wgUser, $wgAllowUserJs, $wgJsMimeType;
 241                 $r = "<script type=\"{$wgJsMimeType}\" src=\"{$wgStylePath}/common/wikibits.js\"></script>\n";
 242                 if( $wgAllowUserJs && $wgUser->isLoggedIn() ) {
 243                         $userpage = $wgUser->getUserPage();
 244                         $userjs = htmlspecialchars( $this->makeUrl(
 245                                 $userpage->getPrefixedText().'/'.$this->getSkinName().'.js',
 246                                 'action=raw&ctype='.$wgJsMimeType));
 247                         $r .= '<script type="'.$wgJsMimeType.'" src="'.$userjs."\"></script>\n";
 248                 }
 249                 return $r;
 250         }
 251
 252         /**
 253          * To make it harder for someone to slip a user a fake
 254          * user-JavaScript or user-CSS preview, a random token
 255          * is associated with the login session. If it's not
 256          * passed back with the preview request, we won't render
 257          * the code.
 258          *
 259          * @param string $action
 260          * @return bool
 261          * @access private
 262          */
 263         function userCanPreview( $action ) {
 264                 global $wgTitle, $wgRequest, $wgUser;
 265
 266                 if( $action != 'submit' )
 267                         return false;
 268                 if( !$wgRequest->wasPosted() )
 269                         return false;
 270                 if( !$wgTitle->userCanEditCssJsSubpage() )
 271                         return false;
 272                 return $wgUser->matchEditToken(
 273                         $wgRequest->getVal( 'wpEditToken' ) );
 274         }
 275
 276         # get the user/site-specific stylesheet, SkinTemplate loads via RawPage.php (settings are cached that way)
 277         function getUserStylesheet() {
 278                 global $wgOut, $wgStylePath, $wgRequest, $wgContLang, $wgSquidMaxage;
 279                 $sheet = $this->getStylesheet();
 280                 $action = $wgRequest->getText('action');
 281                 $s = "@import \"$wgStylePath/$sheet\";\n";
 282                 if($wgContLang->isRTL()) $s .= "@import \"$wgStylePath/common/common_rtl.css\";\n";
 283
 284                 $query = "action=raw&ctype=text/css&smaxage=$wgSquidMaxage";
 285                 $s .= '@import "' . $this->makeNSUrl( 'Common.css', $query, NS_MEDIAWIKI ) . "\";\n" .
 286                         '@import "'.$this->makeNSUrl( ucfirst( $this->getSkinName() . '.css' ), $query, NS_MEDIAWIKI ) . "\";\n";
 287
 288                 $s .= $this->doGetUserStyles();
 289                 return $s."\n";
 290         }
 291
 292         /**
 293          * placeholder, returns generated js in monobook
 294          */
 295         function getUserJs() { return; }
 296
 297         /**
 298          * Return html code that include User stylesheets
 299          */
 300         function getUserStyles() {
 301                 global $wgOut, $wgStylePath;
 302                 $s = "<style type='text/css'>\n";
 303                 $s .= "/*/*/ /*<![CDATA[*/\n"; # <-- Hide the styles from Netscape 4 without hiding them from IE/Mac
 304                 $s .= $this->getUserStylesheet();
 305                 $s .= "/*]]>*/ /* */\n";
 306                 $s .= "</style>\n";
 307                 return $s;
 308         }
 309
 310         /**
 311          * Some styles that are set by user through the user settings interface.
 312          */
 313         function doGetUserStyles() {
 314                 global $wgUser, $wgContLang, $wgUser, $wgRequest, $wgTitle, $wgAllowUserCss;
 315
 316                 $s = '';
 317
 318                 if( $wgAllowUserCss && $wgUser->isLoggedIn() ) { # logged in
 319                         if($wgTitle->isCssSubpage() && $this->userCanPreview( $action ) ) {
 320                                 $s .= $wgRequest->getText('wpTextbox1');
 321                         } else {
 322                                 $userpage = $wgUser->getUserPage();
 323                                 $s.= '@import "'.$this->makeUrl(
 324                                         $userpage->getPrefixedText().'/'.$this->getSkinName().'.css',
 325                                         'action=raw&ctype=text/css').'";'."\n";
 326                         }
 327                 }
 328
 329                 return $s . $this->reallyDoGetUserStyles();
 330         }
 331
 332         function reallyDoGetUserStyles() {
 333                 global $wgUser;
 334                 $s = '';
 335                 if (($undopt = $wgUser->getOption("underline")) != 2) {
 336                         $underline = $undopt ? 'underline' : 'none';
 337                         $s .= "a { text-decoration: $underline; }\n";
 338                 }
 339                 if( $wgUser->getOption( 'highlightbroken' ) ) {
 340                         $s .= "a.new, #quickbar a.new { color: #CC2200; }\n";
 341                 } else {
 342                         $s .= <<<END
 343 a.new, #quickbar a.new,
 344 a.stub, #quickbar a.stub {
 345         color: inherit;
 346         text-decoration: inherit;
 347 }
 348 a.new:after, #quickbar a.new:after {
 349         content: "?";
 350         color: #CC2200;
 351         text-decoration: $underline;
 352 }
 353 a.stub:after, #quickbar a.stub:after {
 354         content: "!";
 355         color: #772233;
 356         text-decoration: $underline;
 357 }
 358 END;
 359                 }
 360                 if( $wgUser->getOption( 'justify' ) ) {
 361                         $s .= "#article, #bodyContent { text-align: justify; }\n";
 362                 }
 363                 if( !$wgUser->getOption( 'showtoc' ) ) {
 364                         $s .= "#toc { display: none; }\n";
 365                 }
 366                 if( !$wgUser->getOption( 'editsection' ) ) {
 367                         $s .= ".editsection { display: none; }\n";
 368                 }
 369                 return $s;
 370         }
 371
 372         function getBodyOptions() {
 373                 global $wgUser, $wgTitle, $wgOut, $wgRequest;
 374
 375                 extract( $wgRequest->getValues( 'oldid', 'redirect', 'diff' ) );
 376
 377                 if ( 0 != $wgTitle->getNamespace() ) {
 378                         $a = array( 'bgcolor' => '#ffffec' );
 379                 }
 380                 else $a = array( 'bgcolor' => '#FFFFFF' );
 381                 if($wgOut->isArticle() && $wgUser->getOption('editondblclick') &&
 382                   $wgTitle->userCanEdit() ) {
 383                         $t = wfMsg( 'editthispage' );
 384                         $s = $wgTitle->getFullURL( $this->editUrlOptions() );
 385                         $s = 'document.location = "' .wfEscapeJSString( $s ) .'";';
 386                         $a += array ('ondblclick' => $s);
 387
 388                 }
 389                 $a['onload'] = $wgOut->getOnloadHandler();
 390                 if( $wgUser->getOption( 'editsectiononrightclick' ) ) {
 391                         if( $a['onload'] != '' ) {
 392                                 $a['onload'] .= ';';
 393                         }
 394                         $a['onload'] .= 'setupRightClickEdit()';
 395                 }
 396                 return $a;
 397         }
 398
 399         /**
 400          * URL to the logo
 401          */
 402         function getLogo() {
 403                 global $wgLogo;
 404                 return $wgLogo;
 405         }
 406
 407         /**
 408          * This will be called immediately after the <body> tag.  Split into
 409          * two functions to make it easier to subclass.
 410          */
 411         function beforeContent() {
 412                 return $this->doBeforeContent();
 413         }
 414
 415         function doBeforeContent() {
 416                 global $wgOut, $wgTitle, $wgContLang;
 417                 $fname = 'Skin::doBeforeContent';
 418                 wfProfileIn( $fname );
 419
 420                 $s = '';
 421                 $qb = $this->qbSetting();
 422
 423                 if( $langlinks = $this->otherLanguages() ) {
 424                         $rows = 2;
 425                         $borderhack = '';
 426                 } else {
 427                         $rows = 1;
 428                         $langlinks = false;
 429                         $borderhack = 'class="top"';
 430                 }
 431
 432                 $s .= "\n<div id='content'>\n<div id='topbar'>\n" .
 433                   "<table border='0' cellspacing='0' width='98%'>\n<tr>\n";
 434
 435                 $shove = ($qb != 0);
 436                 $left = ($qb == 1 || $qb == 3);
 437                 if($wgContLang->isRTL()) $left = !$left;
 438
 439                 if ( !$shove ) {
 440                         $s .= "<td class='top' align='left' valign='top' rowspan='{$rows}'>\n" .
 441                           $this->logoText() . '</td>';
 442                 } elseif( $left ) {
 443                         $s .= $this->getQuickbarCompensator( $rows );
 444                 }
 445                 $l = $wgContLang->isRTL() ? 'right' : 'left';
 446                 $s .= "<td {$borderhack} align='$l' valign='top'>\n";
 447
 448                 $s .= $this->topLinks() ;
 449                 $s .= "<p class='subtitle'>" . $this->pageTitleLinks() . "</p>\n";
 450
 451                 $r = $wgContLang->isRTL() ? "left" : "right";
 452                 $s .= "</td>\n<td {$borderhack} valign='top' align='$r' nowrap='nowrap'>";
 453                 $s .= $this->nameAndLogin();
 454                 $s .= "\n<br />" . $this->searchForm() . "</td>";
 455
 456                 if ( $langlinks ) {
 457                         $s .= "</tr>\n<tr>\n<td class='top' colspan=\"2\">$langlinks</td>\n";
 458                 }
 459
 460                 if ( $shove && !$left ) { # Right
 461                         $s .= $this->getQuickbarCompensator( $rows );
 462                 }
 463                 $s .= "</tr>\n</table>\n</div>\n";
 464                 $s .= "\n<div id='article'>\n";
 465
 466                 $notice = wfGetSiteNotice();
 467                 if( $notice ) {
 468                         $s .= "\n<div id='siteNotice'>$notice</div>\n";
 469                 }
 470                 $s .= $this->pageTitle();
 471                 $s .= $this->pageSubtitle() ;
 472                 $s .= $this->getCategories();
 473                 wfProfileOut( $fname );
 474                 return $s;
 475         }
 476
 477
 478         function getCategoryLinks () {
 479                 global $wgOut, $wgTitle, $wgUseCategoryBrowser;
 480                 global $wgContLang;
 481
 482                 if( count( $wgOut->mCategoryLinks ) == 0 ) return '';
 483
 484                 // Use Unicode bidi embedding override characters,
 485                 // to make sure links don't smash each other up in ugly ways.
 486                 $dir = $wgContLang->isRTL() ? 'rtl' : 'ltr';
 487                 $embed = "<span dir='$dir'>";
 488                 $pop = '</span>';
 489                 $t = $embed . implode ( "$pop | $embed" , $wgOut->mCategoryLinks ) . $pop;
 490
 491                 $msg = count( $wgOut->mCategoryLinks ) === 1 ? 'categories1' : 'categories';
 492                 $s = $this->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL, 'Categories' ),
 493                         wfMsg( $msg ), 'article=' . urlencode( $wgTitle->getPrefixedDBkey() ) )
 494                         . ': ' . $t;
 495
 496                 # optional 'dmoz-like' category browser. Will be shown under the list
 497                 # of categories an article belong to
 498                 if($wgUseCategoryBrowser) {
 499                         $s .= '<br /><hr />';
 500
 501                         # get a big array of the parents tree
 502                         $parenttree = $wgTitle->getParentCategoryTree();
 503                         # Skin object passed by reference cause it can not be
 504                         # accessed under the method subfunction drawCategoryBrowser
 505                         $tempout = explode("\n", Skin::drawCategoryBrowser($parenttree, $this) );
 506                         # Clean out bogus first entry and sort them
 507                         unset($tempout[0]);
 508                         asort($tempout);
 509                         # Output one per line
 510                         $s .= implode("<br />\n", $tempout);
 511                 }
 512
 513                 return $s;
 514         }
 515
 516         /** Render the array as a serie of links.
 517          * @param array $tree Categories tree returned by Title::getParentCategoryTree
 518          * @param object &skin Skin passed by reference
 519          * @return string separated by &gt;, terminate with "\n"
 520          */
 521         function drawCategoryBrowser($tree, &$skin) {
 522                 $return = '';
 523                 foreach ($tree as $element => $parent) {
 524                         if (empty($parent)) {
 525                                 # element start a new list
 526                                 $return .= "\n";
 527                         } else {
 528                                 # grab the others elements
 529                                 $return .= Skin::drawCategoryBrowser($parent, $skin) . ' &gt; ';
 530                         }
 531                         # add our current element to the list
 532                         $eltitle = Title::NewFromText($element);
 533                         $return .=  $skin->makeLinkObj( $eltitle, $eltitle->getText() ) ;
 534                 }
 535                 return $return;
 536         }
 537
 538         function getCategories() {
 539                 $catlinks=$this->getCategoryLinks();
 540                 if(!empty($catlinks)) {
 541                         return "<p class='catlinks'>{$catlinks}</p>";
 542                 }
 543         }
 544
 545         function getQuickbarCompensator( $rows = 1 ) {
 546                 return "<td width='152' rowspan='{$rows}'>&nbsp;</td>";
 547         }
 548
 549         /**
 550          * This gets called immediately before the </body> tag.
 551          * @return string HTML to be put after </body> ???
 552          */
 553         function afterContent() {
 554                 $printfooter = "<div class=\"printfooter\">\n" . $this->printFooter() . "</div>\n";
 555                 return $printfooter . $this->doAfterContent();
 556         }
 557
 558         /** @return string Retrievied from HTML text */
 559         function printSource() {
 560                 global $wgTitle;
 561                 $url = htmlspecialchars( $wgTitle->getFullURL() );
 562                 return wfMsg( 'retrievedfrom', '<a href="'.$url.'">'.$url.'</a>' );
 563         }
 564
 565         function printFooter() {
 566                 return "<p>" .  $this->printSource() .
 567                         "</p>\n\n<p>" . $this->pageStats() . "</p>\n";
 568         }
 569
 570         /** overloaded by derived classes */
 571         function doAfterContent() { }
 572
 573         function pageTitleLinks() {
 574                 global $wgOut, $wgTitle, $wgUser, $wgContLang, $wgRequest;
 575
 576                 extract( $wgRequest->getValues( 'oldid', 'diff' ) );
 577                 $action = $wgRequest->getText( 'action' );
 578
 579                 $s = $this->printableLink();
 580                 $disclaimer = $this->disclaimerLink(); # may be empty
 581                 if( $disclaimer ) {
 582                         $s .= ' | ' . $disclaimer;
 583                 }
 584                 $privacy = $this->privacyLink(); # may be empty too
 585                 if( $privacy ) {
 586                         $s .= ' | ' . $privacy;
 587                 }
 588
 589                 if ( $wgOut->isArticleRelated() ) {
 590                         if ( $wgTitle->getNamespace() == NS_IMAGE ) {
 591                                 $name = $wgTitle->getDBkey();
 592                                 $image = new Image( $wgTitle );
 593                                 if( $image->exists() ) {
 594                                         $link = htmlspecialchars( $image->getURL() );
 595                                         $style = $this->getInternalLinkAttributes( $link, $name );
 596                                         $s .= " | <a href=\"{$link}\"{$style}>{$name}</a>";
 597                                 }
 598                         }
 599                 }
 600                 if ( 'history' == $action || isset( $diff ) || isset( $oldid ) ) {
 601                         $s .= ' | ' . $this->makeKnownLinkObj( $wgTitle,
 602                                         wfMsg( 'currentrev' ) );
 603                 }
 604
 605                 if ( $wgUser->getNewtalk() ) {
 606                         # do not show "You have new messages" text when we are viewing our
 607                         # own talk page
 608                         if( !$wgTitle->equals( $wgUser->getTalkPage() ) ) {
 609                                 $tl = $this->makeKnownLinkObj( $wgUser->getTalkPage(), wfMsgHtml( 'newmessageslink' ), 'redirect=no' );
 610                                 $dl = $this->makeKnownLinkObj( $wgUser->getTalkPage(), wfMsgHtml( 'newmessagesdifflink' ), 'diff=cur' );
 611                                 $s.= ' | <strong>'. wfMsg( 'youhavenewmessages', $tl, $dl ) . '</strong>';
 612                                 # disable caching
 613                                 $wgOut->setSquidMaxage(0);
 614                                 $wgOut->enableClientCache(false);
 615                         }
 616                 }
 617
 618                 $undelete = $this->getUndeleteLink();
 619                 if( !empty( $undelete ) ) {
 620                         $s .= ' | '.$undelete;
 621                 }
 622                 return $s;
 623         }
 624
 625         function getUndeleteLink() {
 626                 global $wgUser, $wgTitle, $wgContLang, $action;
 627                 if(     $wgUser->isAllowed( 'deletedhistory' ) &&
 628                         (($wgTitle->getArticleId() == 0) || ($action == "history")) &&
 629                         ($n = $wgTitle->isDeleted() ) )
 630                 {
 631                         if ( $wgUser->isAllowed( 'delete' ) ) {
 632                                 $msg = 'thisisdeleted';
 633                         } else {
 634                                 $msg = 'viewdeleted';
 635                         }
 636                         return wfMsg( $msg,
 637                                 $this->makeKnownLink(
 638                                         $wgContLang->SpecialPage( 'Undelete/' . $wgTitle->getPrefixedDBkey() ),
 639                                         wfMsg( 'restorelink' . ($n == 1 ? '1' : ''), $n ) ) );
 640                 }
 641                 return '';
 642         }
 643
 644         function printableLink() {
 645                 global $wgOut, $wgFeedClasses, $wgRequest;
 646
 647                 $baseurl = $_SERVER['REQUEST_URI'];
 648                 if( strpos( '?', $baseurl ) == false ) {
 649                         $baseurl .= '?';
 650                 } else {
 651                         $baseurl .= '&';
 652                 }
 653                 $baseurl = htmlspecialchars( $baseurl );
 654                 $printurl = $wgRequest->escapeAppendQuery( 'printable=yes' );
 655
 656                 $s = "<a href=\"$printurl\">" . wfMsg( 'printableversion' ) . '</a>';
 657                 if( $wgOut->isSyndicated() ) {
 658                         foreach( $wgFeedClasses as $format => $class ) {
 659                                 $feedurl = $wgRequest->escapeAppendQuery( "feed=$format" );
 660                                 $s .= " | <a href=\"$feedurl\">{$format}</a>";
 661                         }
 662                 }
 663                 return $s;
 664         }
 665
 666         function pageTitle() {
 667                 global $wgOut, $wgTitle, $wgUser;
 668
 669                 $s = '<h1 class="pagetitle">' . htmlspecialchars( $wgOut->getPageTitle() ) . '</h1>';
 670                 return $s;
 671         }
 672
 673         function pageSubtitle() {
 674                 global $wgOut;
 675
 676                 $sub = $wgOut->getSubtitle();
 677                 if ( '' == $sub ) {
 678                         global $wgExtraSubtitle;
 679                         $sub = wfMsg( 'tagline' ) . $wgExtraSubtitle;
 680                 }
 681                 $subpages = $this->subPageSubtitle();
 682                 $sub .= !empty($subpages)?"</p><p class='subpages'>$subpages":'';
 683                 $s = "<p class='subtitle'>{$sub}</p>\n";
 684                 return $s;
 685         }
 686
 687         function subPageSubtitle() {
 688                 global $wgOut,$wgTitle,$wgNamespacesWithSubpages;
 689                 $subpages = '';
 690                 if($wgOut->isArticle() && !empty($wgNamespacesWithSubpages[$wgTitle->getNamespace()])) {
 691                         $ptext=$wgTitle->getPrefixedText();
 692                         if(preg_match('/\//',$ptext)) {
 693                                 $links = explode('/',$ptext);
 694                                 $c = 0;
 695                                 $growinglink = '';
 696                                 foreach($links as $link) {
 697                                         $c++;
 698                                         if ($c<count($links)) {
 699                                                 $growinglink .= $link;
 700                                                 $getlink = $this->makeLink( $growinglink, $link );
 701                                                 if(preg_match('/class="new"/i',$getlink)) { break; } # this is a hack, but it saves time
 702                                                 if ($c>1) {
 703                                                         $subpages .= ' | ';
 704                                                 } else  {
 705                                                         $subpages .= '&lt; ';
 706                                                 }
 707                                                 $subpages .= $getlink;
 708                                                 $growinglink .= '/';
 709                                         }
 710                                 }
 711                         }
 712                 }
 713                 return $subpages;
 714         }
 715
 716         function nameAndLogin() {
 717                 global $wgUser, $wgTitle, $wgLang, $wgContLang, $wgShowIPinHeader;
 718
 719                 $li = $wgContLang->specialPage( 'Userlogin' );
 720                 $lo = $wgContLang->specialPage( 'Userlogout' );
 721
 722                 $s = '';
 723                 if ( $wgUser->isAnon() ) {
 724                         if( $wgShowIPinHeader && isset( $_COOKIE[ini_get('session.name')] ) ) {
 725                                 $n = wfGetIP();
 726
 727                                 $tl = $this->makeKnownLinkObj( $wgUser->getTalkPage(),
 728                                   $wgLang->getNsText( NS_TALK ) );
 729
 730                                 $s .= $n . ' ('.$tl.')';
 731                         } else {
 732                                 $s .= wfMsg('notloggedin');
 733                         }
 734
 735                         $rt = $wgTitle->getPrefixedURL();
 736                         if ( 0 == strcasecmp( urlencode( $lo ), $rt ) ) {
 737                                 $q = '';
 738                         } else { $q = "returnto={$rt}"; }
 739
 740                         $s .= "\n<br />" . $this->makeKnownLinkObj(
 741                                 Title::makeTitle( NS_SPECIAL, 'Userlogin' ),
 742                                 wfMsg( 'login' ), $q );
 743                 } else {
 744                         $n = $wgUser->getName();
 745                         $rt = $wgTitle->getPrefixedURL();
 746                         $tl = $this->makeKnownLinkObj( $wgUser->getTalkPage(),
 747                           $wgLang->getNsText( NS_TALK ) );
 748
 749                         $tl = " ({$tl})";
 750
 751                         $s .= $this->makeKnownLinkObj( $wgUser->getUserPage(),
 752                           $n ) . "{$tl}<br />" .
 753                           $this->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL, 'Userlogout' ), wfMsg( 'logout' ),
 754                           "returnto={$rt}" ) . ' | ' .
 755                           $this->specialLink( 'preferences' );
 756                 }
 757                 $s .= ' | ' . $this->makeKnownLink( wfMsgForContent( 'helppage' ),
 758                   wfMsg( 'help' ) );
 759
 760                 return $s;
 761         }
 762
 763         function getSearchLink() {
 764                 $searchPage =& Title::makeTitle( NS_SPECIAL, 'Search' );
 765                 return $searchPage->getLocalURL();
 766         }
 767
 768         function escapeSearchLink() {
 769                 return htmlspecialchars( $this->getSearchLink() );
 770         }
 771
 772         function searchForm() {
 773                 global $wgRequest;
 774                 $search = $wgRequest->getText( 'search' );
 775
 776                 $s = '<form name="search" class="inline" method="post" action="'
 777                   . $this->escapeSearchLink() . "\">\n"
 778                   . '<input type="text" name="search" size="19" value="'
 779                   . htmlspecialchars(substr($search,0,256)) . "\" />\n"
 780                   . '<input type="submit" name="go" value="' . wfMsg ('go') . '" />&nbsp;'
 781                   . '<input type="submit" name="fulltext" value="' . wfMsg ('search') . "\" />\n</form>";
 782
 783                 return $s;
 784         }
 785
 786         function topLinks() {
 787                 global $wgOut;
 788                 $sep = " |\n";
 789
 790                 $s = $this->mainPageLink() . $sep
 791                   . $this->specialLink( 'recentchanges' );
 792
 793                 if ( $wgOut->isArticleRelated() ) {
 794                         $s .=  $sep . $this->editThisPage()
 795                           . $sep . $this->historyLink();
 796                 }
 797                 # Many people don't like this dropdown box
 798                 #$s .= $sep . $this->specialPagesList();
 799
 800                 /* show links to different language variants */
 801                 global $wgDisableLangConversion, $wgContLang, $wgTitle;
 802                 $variants = $wgContLang->getVariants();
 803                 if( !$wgDisableLangConversion && sizeof( $variants ) > 1 ) {
 804                         foreach( $variants as $code ) {
 805                                 $varname = $wgContLang->getVariantname( $code );
 806                                 if( $varname == 'disable' )
 807                                         continue;
 808                                 $s .= ' | <a href="' . $wgTitle->getLocalUrl( 'variant=' . $code ) . '">' . $varname . '</a>';
 809                         }
 810                 }
 811
 812                 return $s;
 813         }
 814
 815         function bottomLinks() {
 816                 global $wgOut, $wgUser, $wgTitle, $wgUseTrackbacks;
 817                 $sep = " |\n";
 818
 819                 $s = '';
 820                 if ( $wgOut->isArticleRelated() ) {
 821                         $s .= '<strong>' . $this->editThisPage() . '</strong>';
 822                         if ( $wgUser->isLoggedIn() ) {
 823                                 $s .= $sep . $this->watchThisPage();
 824                         }
 825                         $s .= $sep . $this->talkLink()
 826                           . $sep . $this->historyLink()
 827                           . $sep . $this->whatLinksHere()
 828                           . $sep . $this->watchPageLinksLink();
 829
 830                         if ($wgUseTrackbacks)
 831                                 $s .= $sep . $this->trackbackLink();
 832
 833                         if ( $wgTitle->getNamespace() == NS_USER
 834                             || $wgTitle->getNamespace() == NS_USER_TALK )
 835
 836                         {
 837                                 $id=User::idFromName($wgTitle->getText());
 838                                 $ip=User::isIP($wgTitle->getText());
 839
 840                                 if($id || $ip) { # both anons and non-anons have contri list
 841                                         $s .= $sep . $this->userContribsLink();
 842                                 }
 843                                 if( $this->showEmailUser( $id ) ) {
 844                                         $s .= $sep . $this->emailUserLink();
 845                                 }
 846                         }
 847                         if ( $wgTitle->getArticleId() ) {
 848                                 $s .= "\n<br />";
 849                                 if($wgUser->isAllowed('delete')) { $s .= $this->deleteThisPage(); }
 850                                 if($wgUser->isAllowed('protect')) { $s .= $sep . $this->protectThisPage(); }
 851                                 if($wgUser->isAllowed('move')) { $s .= $sep . $this->moveThisPage(); }
 852                         }
 853                         $s .= "<br />\n" . $this->otherLanguages();
 854                 }
 855                 return $s;
 856         }
 857
 858         function pageStats() {
 859                 global $wgOut, $wgLang, $wgArticle, $wgRequest, $wgUser;
 860                 global $wgDisableCounters, $wgMaxCredits, $wgShowCreditsIfMax, $wgTitle, $wgPageShowWatchingUsers;
 861
 862                 extract( $wgRequest->getValues( 'oldid', 'diff' ) );
 863                 if ( ! $wgOut->isArticle() ) { return ''; }
 864                 if ( isset( $oldid ) || isset( $diff ) ) { return ''; }
 865                 if ( 0 == $wgArticle->getID() ) { return ''; }
 866
 867                 $s = '';
 868                 if ( !$wgDisableCounters ) {
 869                         $count = $wgLang->formatNum( $wgArticle->getCount() );
 870                         if ( $count ) {
 871                                 $s = wfMsg( 'viewcount', $count );
 872                         }
 873                 }
 874
 875                 if (isset($wgMaxCredits) && $wgMaxCredits != 0) {
 876                     require_once('Credits.php');
 877                     $s .= ' ' . getCredits($wgArticle, $wgMaxCredits, $wgShowCreditsIfMax);
 878                 } else {
 879                     $s .= $this->lastModified();
 880                 }
 881
 882                 if ($wgPageShowWatchingUsers && $wgUser->getOption( 'shownumberswatching' )) {
 883                         $dbr =& wfGetDB( DB_SLAVE );
 884                         extract( $dbr->tableNames( 'watchlist' ) );
 885                         $sql = "SELECT COUNT(*) AS n FROM $watchlist
 886                                 WHERE wl_title='" . $dbr->strencode($wgTitle->getDBKey()) .
 887                                 "' AND  wl_namespace=" . $wgTitle->getNamespace() ;
 888                         $res = $dbr->query( $sql, 'Skin::pageStats');
 889                         $x = $dbr->fetchObject( $res );
 890                         $s .= ' ' . wfMsg('number_of_watching_users_pageview', $x->n );
 891                 }
 892
 893                 return $s . ' ' .  $this->getCopyright();
 894         }
 895
 896         function getCopyright() {
 897                 global $wgRightsPage, $wgRightsUrl, $wgRightsText, $wgRequest;
 898
 899
 900                 $oldid = $wgRequest->getVal( 'oldid' );
 901                 $diff = $wgRequest->getVal( 'diff' );
 902
 903                 if ( !is_null( $oldid ) && is_null( $diff ) && wfMsgForContent( 'history_copyright' ) !== '-' ) {
 904                         $msg = 'history_copyright';
 905                 } else {
 906                         $msg = 'copyright';
 907                 }
 908
 909                 $out = '';
 910                 if( $wgRightsPage ) {
 911                         $link = $this->makeKnownLink( $wgRightsPage, $wgRightsText );
 912                 } elseif( $wgRightsUrl ) {
 913                         $link = $this->makeExternalLink( $wgRightsUrl, $wgRightsText );
 914                 } else {
 915                         # Give up now
 916                         return $out;
 917                 }
 918                 $out .= wfMsgForContent( $msg, $link );
 919                 return $out;
 920         }
 921
 922         function getCopyrightIcon() {
 923                 global $wgRightsPage, $wgRightsUrl, $wgRightsText, $wgRightsIcon, $wgCopyrightIcon;
 924                 $out = '';
 925                 if ( isset( $wgCopyrightIcon ) && $wgCopyrightIcon ) {
 926                         $out = $wgCopyrightIcon;
 927                 } else if ( $wgRightsIcon ) {
 928                         $icon = htmlspecialchars( $wgRightsIcon );
 929                         if ( $wgRightsUrl ) {
 930                                 $url = htmlspecialchars( $wgRightsUrl );
 931                                 $out .= '<a href="'.$url.'">';
 932                         }
 933                         $text = htmlspecialchars( $wgRightsText );
 934                         $out .= "<img src=\"$icon\" alt='$text' />";
 935                         if ( $wgRightsUrl ) {
 936                                 $out .= '</a>';
 937                         }
 938                 }
 939                 return $out;
 940         }
 941
 942         function getPoweredBy() {
 943                 global $wgStylePath;
 944                 $url = htmlspecialchars( "$wgStylePath/common/images/poweredby_mediawiki_88x31.png" );
 945                 $img = '<a href="http://www.mediawiki.org/"><img src="'.$url.'" alt="MediaWiki" /></a>';
 946                 return $img;
 947         }
 948
 949         function lastModified() {
 950                 global $wgLang, $wgArticle, $wgLoadBalancer;
 951
 952                 $timestamp = $wgArticle->getTimestamp();
 953                 if ( $timestamp ) {
 954                         $d = $wgLang->timeanddate( $timestamp, true );
 955                         $s = ' ' . wfMsg( 'lastmodified', $d );
 956                 } else {
 957                         $s = '';
 958                 }
 959                 if ( $wgLoadBalancer->getLaggedSlaveMode() ) {
 960                         $s .= ' <strong>' . wfMsg( 'laggedslavemode' ) . '</strong>';
 961                 }
 962                 return $s;
 963         }
 964
 965         function logoText( $align = '' ) {
 966                 if ( '' != $align ) { $a = " align='{$align}'"; }
 967                 else { $a = ''; }
 968
 969                 $mp = wfMsg( 'mainpage' );
 970                 $titleObj = Title::newFromText( $mp );
 971                 if ( is_object( $titleObj ) ) {
 972                         $url = $titleObj->escapeLocalURL();
 973                 } else {
 974                         $url = '';
 975                 }
 976
 977                 $logourl = $this->getLogo();
 978                 $s = "<a href='{$url}'><img{$a} src='{$logourl}' alt='[{$mp}]' /></a>";
 979                 return $s;
 980         }
 981
 982         /**
 983          * show a drop-down box of special pages
 984          * @TODO crash bug913. Need to be rewrote completly.
 985          */
 986         function specialPagesList() {
 987                 global $wgUser, $wgOut, $wgContLang, $wgServer, $wgRedirectScript, $wgAvailableRights;
 988                 require_once('SpecialPage.php');
 989                 $a = array();
 990                 $pages = SpecialPage::getPages();
 991
 992                 // special pages without access restriction
 993                 foreach ( $pages[''] as $name => $page ) {
 994                         $a[$name] = $page->getDescription();
 995                 }
 996
 997                 // Other special pages that are restricted.
 998                 // Copied from SpecialSpecialpages.php
 999                 foreach($wgAvailableRights as $right) {
1000                         if( $wgUser->isAllowed($right) ) {
1001                                 /** Add all pages for this right */
1002                                 if(isset($pages[$right])) {
1003                                         foreach($pages[$right] as $name => $page) {
1004                                         $a[$name] = $page->getDescription();
1005                                         }
1006                                 }
1007                         }
1008                 }
1009
1010                 $go = wfMsg( 'go' );
1011                 $sp = wfMsg( 'specialpages' );
1012                 $spp = $wgContLang->specialPage( 'Specialpages' );
1013
1014                 $s = '<form id="specialpages" method="get" class="inline" ' .
1015                   'action="' . htmlspecialchars( "{$wgServer}{$wgRedirectScript}" ) . "\">\n";
1016                 $s .= "<select name=\"wpDropdown\">\n";
1017                 $s .= "<option value=\"{$spp}\">{$sp}</option>\n";
1018
1019
1020                 foreach ( $a as $name => $desc ) {
1021                         $p = $wgContLang->specialPage( $name );
1022                         $s .= "<option value=\"{$p}\">{$desc}</option>\n";
1023                 }
1024                 $s .= "</select>\n";
1025                 $s .= "<input type='submit' value=\"{$go}\" name='redirect' />\n";
1026                 $s .= "</form>\n";
1027                 return $s;
1028         }
1029
1030         function mainPageLink() {
1031                 $mp = wfMsgForContent( 'mainpage' );
1032                 $mptxt = wfMsg( 'mainpage');
1033                 $s = $this->makeKnownLink( $mp, $mptxt );
1034                 return $s;
1035         }
1036
1037         function copyrightLink() {
1038                 $s = $this->makeKnownLink( wfMsgForContent( 'copyrightpage' ),
1039                   wfMsg( 'copyrightpagename' ) );
1040                 return $s;
1041         }
1042
1043         function privacyLink() {
1044                 $privacy = wfMsg( 'privacy' );
1045                 if ($privacy == '-') {
1046                         return '';
1047                 } else {
1048                         return $this->makeKnownLink( wfMsgForContent( 'privacypage' ), $privacy);
1049                 }
1050         }
1051
1052         function aboutLink() {
1053                 $s = $this->makeKnownLink( wfMsgForContent( 'aboutpage' ),
1054                   wfMsg( 'aboutsite' ) );
1055                 return $s;
1056         }
1057
1058         function disclaimerLink() {
1059                 $disclaimers = wfMsg( 'disclaimers' );
1060                 if ($disclaimers == '-') {
1061                         return '';
1062                 } else {
1063                         return $this->makeKnownLink( wfMsgForContent( 'disclaimerpage' ),
1064                                                      $disclaimers );
1065                 }
1066         }
1067
1068         function editThisPage() {
1069                 global $wgOut, $wgTitle, $wgRequest;
1070
1071                 if ( ! $wgOut->isArticleRelated() ) {
1072                         $s = wfMsg( 'protectedpage' );
1073                 } else {
1074                         if ( $wgTitle->userCanEdit() ) {
1075                                 $t = wfMsg( 'editthispage' );
1076                         } else {
1077                                 $t = wfMsg( 'viewsource' );
1078                         }
1079
1080                         $s = $this->makeKnownLinkObj( $wgTitle, $t, $this->editUrlOptions() );
1081                 }
1082                 return $s;
1083         }
1084
1085         /**
1086          * Return URL options for the 'edit page' link.
1087          * This may include an 'oldid' specifier, if the current page view is such.
1088          *
1089          * @return string
1090          * @access private
1091          */
1092         function editUrlOptions() {
1093                 global $wgArticle;
1094
1095                 if( $this->mRevisionId && ! $wgArticle->isCurrent() ) {
1096                         return "action=edit&oldid=" . intval( $this->mRevisionId );
1097                 } else {
1098                         return "action=edit";
1099                 }
1100         }
1101
1102         function deleteThisPage() {
1103                 global $wgUser, $wgOut, $wgTitle, $wgRequest;
1104
1105                 $diff = $wgRequest->getVal( 'diff' );
1106                 if ( $wgTitle->getArticleId() && ( ! $diff ) && $wgUser->isAllowed('delete') ) {
1107                         $t = wfMsg( 'deletethispage' );
1108
1109                         $s = $this->makeKnownLinkObj( $wgTitle, $t, 'action=delete' );
1110                 } else {
1111                         $s = '';
1112                 }
1113                 return $s;
1114         }
1115
1116         function protectThisPage() {
1117                 global $wgUser, $wgOut, $wgTitle, $wgRequest;
1118
1119                 $diff = $wgRequest->getVal( 'diff' );
1120                 if ( $wgTitle->getArticleId() && ( ! $diff ) && $wgUser->isAllowed('protect') ) {
1121                         if ( $wgTitle->isProtected() ) {
1122                                 $t = wfMsg( 'unprotectthispage' );
1123                                 $q = 'action=unprotect';
1124                         } else {
1125                                 $t = wfMsg( 'protectthispage' );
1126                                 $q = 'action=protect';
1127                         }
1128                         $s = $this->makeKnownLinkObj( $wgTitle, $t, $q );
1129                 } else {
1130                         $s = '';
1131                 }
1132                 return $s;
1133         }
1134
1135         function watchThisPage() {
1136                 global $wgUser, $wgOut, $wgTitle;
1137
1138                 if ( $wgOut->isArticleRelated() ) {
1139                         if ( $wgTitle->userIsWatching() ) {
1140                                 $t = wfMsg( 'unwatchthispage' );
1141                                 $q = 'action=unwatch';
1142                         } else {
1143                                 $t = wfMsg( 'watchthispage' );
1144                                 $q = 'action=watch';
1145                         }
1146                         $s = $this->makeKnownLinkObj( $wgTitle, $t, $q );
1147                 } else {
1148                         $s = wfMsg( 'notanarticle' );
1149                 }
1150                 return $s;
1151         }
1152
1153         function moveThisPage() {
1154                 global $wgTitle;
1155
1156                 if ( $wgTitle->userCanMove() ) {
1157                         return $this->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL, 'Movepage' ),
1158                           wfMsg( 'movethispage' ), 'target=' . $wgTitle->getPrefixedURL() );
1159                 } else {
1160                         // no message if page is protected - would be redundant
1161                         return '';
1162                 }
1163         }
1164
1165         function historyLink() {
1166                 global $wgTitle;
1167
1168                 return $this->makeKnownLinkObj( $wgTitle,
1169                   wfMsg( 'history' ), 'action=history' );
1170         }
1171
1172         function whatLinksHere() {
1173                 global $wgTitle;
1174
1175                 return $this->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL, 'Whatlinkshere' ),
1176                   wfMsg( 'whatlinkshere' ), 'target=' . $wgTitle->getPrefixedURL() );
1177         }
1178
1179         function userContribsLink() {
1180                 global $wgTitle;
1181
1182                 return $this->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL, 'Contributions' ),
1183                   wfMsg( 'contributions' ), 'target=' . $wgTitle->getPartialURL() );
1184         }
1185
1186         function showEmailUser( $id ) {
1187                 global $wgEnableEmail, $wgEnableUserEmail, $wgUser;
1188                 return $wgEnableEmail &&
1189                        $wgEnableUserEmail &&
1190                        $wgUser->isLoggedIn() && # show only to signed in users
1191                        0 != $id; # we can only email to non-anons ..
1192 #                      '' != $id->getEmail() && # who must have an email address stored ..
1193 #                      0 != $id->getEmailauthenticationtimestamp() && # .. which is authenticated
1194 #                      1 != $wgUser->getOption('disablemail'); # and not disabled
1195         }
1196
1197         function emailUserLink() {
1198                 global $wgTitle;
1199
1200                 return $this->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL, 'Emailuser' ),
1201                   wfMsg( 'emailuser' ), 'target=' . $wgTitle->getPartialURL() );
1202         }
1203
1204         function watchPageLinksLink() {
1205                 global $wgOut, $wgTitle;
1206
1207                 if ( ! $wgOut->isArticleRelated() ) {
1208                         return '(' . wfMsg( 'notanarticle' ) . ')';
1209                 } else {
1210                         return $this->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL,
1211                           'Recentchangeslinked' ), wfMsg( 'recentchangeslinked' ),
1212                           'target=' . $wgTitle->getPrefixedURL() );
1213                 }
1214         }
1215
1216         function trackbackLink() {
1217                 global $wgTitle;
1218
1219                 return "<a href=\"" . $wgTitle->trackbackURL() . "\">"
1220                         . wfMsg('trackbacklink') . "</a>";
1221         }
1222
1223         function otherLanguages() {
1224                 global $wgOut, $wgContLang, $wgTitle, $wgHideInterlanguageLinks;
1225
1226                 if ( $wgHideInterlanguageLinks ) {
1227                         return '';
1228                 }
1229
1230                 $a = $wgOut->getLanguageLinks();
1231                 if ( 0 == count( $a ) ) {
1232                         return '';
1233                 }
1234
1235                 $s = wfMsg( 'otherlanguages' ) . ': ';
1236                 $first = true;
1237                 if($wgContLang->isRTL()) $s .= '<span dir="LTR">';
1238                 foreach( $a as $l ) {
1239                         if ( ! $first ) { $s .= ' | '; }
1240                         $first = false;
1241
1242                         $nt = Title::newFromText( $l );
1243                         $url = $nt->escapeFullURL();
1244                         $text = $wgContLang->getLanguageName( $nt->getInterwiki() );
1245
1246                         if ( '' == $text ) { $text = $l; }
1247                         $style = $this->getExternalLinkAttributes( $l, $text );
1248                         $s .= "<a href=\"{$url}\"{$style}>{$text}</a>";
1249                 }
1250                 if($wgContLang->isRTL()) $s .= '</span>';
1251                 return $s;
1252         }
1253
1254         function bugReportsLink() {
1255                 $s = $this->makeKnownLink( wfMsgForContent( 'bugreportspage' ),
1256                   wfMsg( 'bugreports' ) );
1257                 return $s;
1258         }
1259
1260         function dateLink() {
1261                 $t1 = Title::newFromText( gmdate( 'F j' ) );
1262                 $t2 = Title::newFromText( gmdate( 'Y' ) );
1263
1264                 $id = $t1->getArticleID();
1265
1266                 if ( 0 == $id ) {
1267                         $s = $this->makeBrokenLink( $t1->getText() );
1268                 } else {
1269                         $s = $this->makeKnownLink( $t1->getText() );
1270                 }
1271                 $s .= ', ';
1272
1273                 $id = $t2->getArticleID();
1274
1275                 if ( 0 == $id ) {
1276                         $s .= $this->makeBrokenLink( $t2->getText() );
1277                 } else {
1278                         $s .= $this->makeKnownLink( $t2->getText() );
1279                 }
1280                 return $s;
1281         }
1282
1283         function talkLink() {
1284                 global $wgTitle;
1285
1286                 if ( NS_SPECIAL == $wgTitle->getNamespace() ) {
1287                         # No discussion links for special pages
1288                         return '';
1289                 }
1290
1291                 if( $wgTitle->isTalkPage() ) {
1292                         $link = $wgTitle->getSubjectPage();
1293                         switch( $link->getNamespace() ) {
1294                         case NS_MAIN:
1295                                 $text = wfMsg('articlepage');
1296                                 break;
1297                         case NS_USER:
1298                                 $text = wfMsg('userpage');
1299                                 break;
1300                         case NS_PROJECT:
1301                                 $text = wfMsg('wikipediapage');
1302                                 break;
1303                         case NS_IMAGE:
1304                                 $text = wfMsg('imagepage');
1305                                 break;
1306                         default:
1307                                 $text= wfMsg('articlepage');
1308                         }
1309                 } else {
1310                         $link = $wgTitle->getTalkPage();
1311                         $text = wfMsg( 'talkpage' );
1312                 }
1313
1314                 $s = $this->makeLinkObj( $link, $text );
1315
1316                 return $s;
1317         }
1318
1319         function commentLink() {
1320                 global $wgContLang, $wgTitle;
1321
1322                 if ( $wgTitle->getNamespace() == NS_SPECIAL ) {
1323                         return '';
1324                 }
1325                 return $this->makeKnownLinkObj( $wgTitle->getTalkPage(),
1326                         wfMsg( 'postcomment' ), 'action=edit&section=new' );
1327         }
1328
1329         /* these are used extensively in SkinTemplate, but also some other places */
1330         /*static*/ function makeSpecialUrl( $name, $urlaction='' ) {
1331                 $title = Title::makeTitle( NS_SPECIAL, $name );
1332                 return $title->getLocalURL( $urlaction );
1333         }
1334
1335         /*static*/ function makeI18nUrl ( $name, $urlaction='' ) {
1336                 $title = Title::newFromText( wfMsgForContent($name) );
1337                 $this->checkTitle($title, $name);
1338                 return $title->getLocalURL( $urlaction );
1339         }
1340
1341         /*static*/ function makeUrl ( $name, $urlaction='' ) {
1342                 $title = Title::newFromText( $name );
1343                 $this->checkTitle($title, $name);
1344                 return $title->getLocalURL( $urlaction );
1345         }
1346
1347         # If url string starts with http, consider as external URL, else
1348         # internal
1349         /*static*/ function makeInternalOrExternalUrl( $name ) {
1350                 if ( preg_match( '/^(?:' . wfUrlProtocols() . ')/', $name ) ) {
1351                         return $name;
1352                 } else {
1353                         return $this->makeUrl( $name );
1354                 }
1355         }
1356
1357         # this can be passed the NS number as defined in Language.php
1358         /*static*/ function makeNSUrl( $name, $urlaction='', $namespace=NS_MAIN ) {
1359                 $title = Title::makeTitleSafe( $namespace, $name );
1360                 $this->checkTitle($title, $name);
1361                 return $title->getLocalURL( $urlaction );
1362         }
1363
1364         /* these return an array with the 'href' and boolean 'exists' */
1365         /*static*/ function makeUrlDetails ( $name, $urlaction='' ) {
1366                 $title = Title::newFromText( $name );
1367                 $this->checkTitle($title, $name);
1368                 return array(
1369                         'href' => $title->getLocalURL( $urlaction ),
1370                         'exists' => $title->getArticleID() != 0?true:false
1371                 );
1372         }
1373
1374         /**
1375          * Make URL details where the article exists (or at least it's convenient to think so)
1376          */
1377         function makeKnownUrlDetails( $name, $urlaction='' ) {
1378                 $title = Title::newFromText( $name );
1379                 $this->checkTitle($title, $name);
1380                 return array(
1381                         'href' => $title->getLocalURL( $urlaction ),
1382                         'exists' => true
1383                 );
1384         }
1385
1386         # make sure we have some title to operate on
1387         /*static*/ function checkTitle ( &$title, &$name ) {
1388                 if(!is_object($title)) {
1389                         $title = Title::newFromText( $name );
1390                         if(!is_object($title)) {
1391                                 $title = Title::newFromText( '--error: link target missing--' );
1392                         }
1393                 }
1394         }
1395
1396         /**
1397          * Build an array that represents the sidebar(s), the navigation bar among them
1398          *
1399          * @return array
1400          * @access private
1401          */
1402         function buildSidebar() {
1403                 global $wgTitle, $action, $wgDBname, $parserMemc;
1404                 global $wgLanguageCode, $wgContLanguageCode;
1405
1406                 $fname = 'SkinTemplate::buildSidebar';
1407
1408                 wfProfileIn( $fname );
1409
1410                 if ($wgLanguageCode == $wgContLanguageCode)
1411                         $cacheSidebar = true;
1412                 else
1413                         $cacheSidebar = false;
1414
1415                 if ($cacheSidebar) {
1416                         $cachedsidebar=$parserMemc->get("{$wgDBname}:sidebar");
1417                         if ($cachedsidebar!="") {
1418                                 wfProfileOut($fname);
1419                                 return $cachedsidebar;
1420                         }
1421                 }
1422
1423                 $bar = array();
1424                 $lines = explode( "\n", wfMsgForContent( 'sidebar' ) );
1425                 foreach ($lines as $line) {
1426                         if (strpos($line, '*') !== 0)
1427                                 continue;
1428                         if (strpos($line, '**') !== 0) {
1429                                 $line = trim($line, '* ');
1430                                 $heading = $line;
1431                         } else {
1432                                 if (strpos($line, '|') !== false) { // sanity check
1433                                         $line = explode( '|' , trim($line, '* '), 2 );
1434                                         $link = wfMsgForContent( $line[0] );
1435                                         if ($link == '-')
1436                                                 continue;
1437                                         if (wfEmptyMsg($line[1], $text = wfMsg($line[1])))
1438                                                 $text = $line[1];
1439                                         if (wfEmptyMsg($line[0], $link))
1440                                                 $link = $line[0];
1441                                         $href = $this->makeInternalOrExternalUrl( $link );
1442                                         $bar[$heading][] = array(
1443                                                 'text' => $text,
1444                                                 'href' => $href,
1445                                                 'id' => 'n-' . strtr($line[1], ' ', '-'),
1446                                                 'active' => false
1447                                         );
1448                                 } else { continue; }
1449                         }
1450                 }
1451                 if ($cacheSidebar)
1452                         $cachednotice=$parserMemc->set("{$wgDBname}:sidebar",$bar,86400);
1453                 wfProfileOut( $fname );
1454                 return $bar;
1455         }
1456 }
1457 ?>