includes/Skin.php

   1 <?php
   2 if ( ! defined( 'MEDIAWIKI' ) )
   3         die( -1 );
   4
   5 /**
   6  *
   7  * @package MediaWiki
   8  * @subpackage Skins
   9  */
  10
  11 # Get a list of available skins
  12 # Build using the regular expression '^(.*).php$'
  13 # Array keys are all lower case, array value keep the case used by filename
  14 #
  15
  16 /**
  17  * The main skin class that provide methods and properties for all other skins.
  18  * This base class is also the "Standard" skin.
  19  * @package MediaWiki
  20  */
  21 class Skin extends Linker {
  22         /**#@+
  23          * @private
  24          */
  25         var $lastdate, $lastline;
  26         var $rc_cache ; # Cache for Enhanced Recent Changes
  27         var $rcCacheIndex ; # Recent Changes Cache Counter for visibility toggle
  28         var $rcMoveIndex;
  29         /**#@-*/
  30
  31         /** Constructor, call parent constructor */
  32         function Skin() { parent::Linker(); }
  33
  34         /**
  35          * Fetch the set of available skins.
  36          * @return array of strings
  37          * @static
  38          */
  39         function getSkinNames() {
  40                 global $wgValidSkinNames;
  41                 if (!is_array($wgValidSkinNames)) {
  42                         Skin::initializeSkinNames();
  43                 }
  44                 return $wgValidSkinNames;
  45         }
  46
  47         /**
  48          * Initializes set of available skins.
  49          * @return array of strings - skin names
  50          * @static
  51          */
  52
  53         function initializeSkinNames() {
  54                 global $wgStyleDirectory, $wgValidSkinNames;
  55                 $skinDir = dir( $wgStyleDirectory );
  56
  57                 # while code from www.php.net
  58                 while (false !== ($file = $skinDir->read())) {
  59                         // Skip non-PHP files, hidden files, and '.dep' includes
  60                         if(preg_match('/^([^.]*)\.php$/',$file, $matches)) {
  61                                 $aSkin = $matches[1];
  62                                 $wgValidSkinNames[strtolower($aSkin)] = $aSkin;
  63                         }
  64                 }
  65                 $skinDir->close();
  66                 unset($matches);
  67
  68         }
  69
  70         /**
  71          * Normalize a skin preference value to a form that can be loaded.
  72          * If a skin can't be found, it will fall back to the configured
  73          * default (or the old 'Classic' skin if that's broken).
  74          * @param string $key
  75          * @return string
  76          * @static
  77          */
  78         function normalizeKey( $key ) {
  79                 global $wgDefaultSkin;
  80                 $skinNames = Skin::getSkinNames();
  81
  82                 if( $key == '' ) {
  83                         // Don't return the default immediately;
  84                         // in a misconfiguration we need to fall back.
  85                         $key = $wgDefaultSkin;
  86                 }
  87
  88                 if( isset( $skinNames[$key] ) ) {
  89                         return $key;
  90                 }
  91
  92                 // Older versions of the software used a numeric setting
  93                 // in the user preferences.
  94                 $fallback = array(
  95                         0 => $wgDefaultSkin,
  96                         1 => 'nostalgia',
  97                         2 => 'cologneblue' );
  98
  99                 if( isset( $fallback[$key] ) ){
 100                         $key = $fallback[$key];
 101                 }
 102
 103                 if( isset( $skinNames[$key] ) ) {
 104                         return $key;
 105                 } else {
 106                         // The old built-in skin
 107                         return 'standard';
 108                 }
 109         }
 110
 111         /**
 112          * Factory method for loading a skin of a given type
 113          * @param string $key 'monobook', 'standard', etc
 114          * @return Skin
 115          * @static
 116          */
 117         function &newFromKey( $key ) {
 118                 $key = Skin::normalizeKey( $key );
 119
 120                 $skinNames = Skin::getSkinNames();
 121                 $skinName = $skinNames[$key];
 122
 123                 global $IP;
 124
 125                 # Grab the skin class and initialise it.
 126                 wfSuppressWarnings();
 127                 // Preload base classes to work around APC/PHP5 bug
 128                 include_once( $IP.'/skins/'.$skinName.'.deps.php' );
 129                 wfRestoreWarnings();
 130                 require_once( $IP.'/skins/'.$skinName.'.php' );
 131
 132                 # Check if we got if not failback to default skin
 133                 $className = 'Skin'.$skinName;
 134                 if( !class_exists( $className ) ) {
 135                         # DO NOT die if the class isn't found. This breaks maintenance
 136                         # scripts and can cause a user account to be unrecoverable
 137                         # except by SQL manipulation if a previously valid skin name
 138                         # is no longer valid.
 139                         wfDebug( "Skin class does not exist: $className\n" );
 140                         $className = 'SkinStandard';
 141                         require_once( $IP.'/skins/Standard.php' );
 142                 }
 143                 $skin =& new $className;
 144                 return $skin;
 145         }
 146
 147         /** @return string path to the skin stylesheet */
 148         function getStylesheet() {
 149                 return 'common/wikistandard.css?1';
 150         }
 151
 152         /** @return string skin name */
 153         function getSkinName() {
 154                 return 'standard';
 155         }
 156
 157         function qbSetting() {
 158                 global $wgOut, $wgUser;
 159
 160                 if ( $wgOut->isQuickbarSuppressed() ) { return 0; }
 161                 $q = $wgUser->getOption( 'quickbar' );
 162                 if ( '' == $q ) { $q = 0; }
 163                 return $q;
 164         }
 165
 166         function initPage( &$out ) {
 167                 global $wgFavicon;
 168
 169                 $fname = 'Skin::initPage';
 170                 wfProfileIn( $fname );
 171
 172                 if( false !== $wgFavicon ) {
 173                         $out->addLink( array( 'rel' => 'shortcut icon', 'href' => $wgFavicon ) );
 174                 }
 175
 176                 $this->addMetadataLinks($out);
 177
 178                 $this->mRevisionId = $out->mRevisionId;
 179
 180                 $this->preloadExistence();
 181
 182                 wfProfileOut( $fname );
 183         }
 184
 185         /**
 186          * Preload the existence of three commonly-requested pages in a single query
 187          */
 188         function preloadExistence() {
 189                 global $wgUser, $wgTitle;
 190
 191                 if ( $wgTitle->isTalkPage() ) {
 192                         $otherTab = $wgTitle->getSubjectPage();
 193                 } else {
 194                         $otherTab = $wgTitle->getTalkPage();
 195                 }
 196                 $lb = new LinkBatch( array(
 197                         $wgUser->getUserPage(),
 198                         $wgUser->getTalkPage(),
 199                         $otherTab
 200                 ));
 201                 $lb->execute();
 202         }
 203
 204         function addMetadataLinks( &$out ) {
 205                 global $wgTitle, $wgEnableDublinCoreRdf, $wgEnableCreativeCommonsRdf;
 206                 global $wgRightsPage, $wgRightsUrl;
 207
 208                 if( $out->isArticleRelated() ) {
 209                         # note: buggy CC software only reads first "meta" link
 210                         if( $wgEnableCreativeCommonsRdf ) {
 211                                 $out->addMetadataLink( array(
 212                                         'title' => 'Creative Commons',
 213                                         'type' => 'application/rdf+xml',
 214                                         'href' => $wgTitle->getLocalURL( 'action=creativecommons') ) );
 215                         }
 216                         if( $wgEnableDublinCoreRdf ) {
 217                                 $out->addMetadataLink( array(
 218                                         'title' => 'Dublin Core',
 219                                         'type' => 'application/rdf+xml',
 220                                         'href' => $wgTitle->getLocalURL( 'action=dublincore' ) ) );
 221                         }
 222                 }
 223                 $copyright = '';
 224                 if( $wgRightsPage ) {
 225                         $copy = Title::newFromText( $wgRightsPage );
 226                         if( $copy ) {
 227                                 $copyright = $copy->getLocalURL();
 228                         }
 229                 }
 230                 if( !$copyright && $wgRightsUrl ) {
 231                         $copyright = $wgRightsUrl;
 232                 }
 233                 if( $copyright ) {
 234                         $out->addLink( array(
 235                                 'rel' => 'copyright',
 236                                 'href' => $copyright ) );
 237                 }
 238         }
 239
 240         function outputPage( &$out ) {
 241                 global $wgDebugComments;
 242
 243                 wfProfileIn( 'Skin::outputPage' );
 244                 $this->initPage( $out );
 245
 246                 $out->out( $out->headElement() );
 247
 248                 $out->out( "\n<body" );
 249                 $ops = $this->getBodyOptions();
 250                 foreach ( $ops as $name => $val ) {
 251                         $out->out( " $name='$val'" );
 252                 }
 253                 $out->out( ">\n" );
 254                 if ( $wgDebugComments ) {
 255                         $out->out( "<!-- Wiki debugging output:\n" .
 256                           $out->mDebugtext . "-->\n" );
 257                 }
 258
 259                 $out->out( $this->beforeContent() );
 260
 261                 $out->out( $out->mBodytext . "\n" );
 262
 263                 $out->out( $this->afterContent() );
 264
 265                 $out->out( $out->reportTime() );
 266
 267                 $out->out( "\n</body></html>" );
 268         }
 269
 270         function getHeadScripts() {
 271                 global $wgStylePath, $wgUser, $wgAllowUserJs, $wgJsMimeType;
 272                 $r = "<script type=\"{$wgJsMimeType}\" src=\"{$wgStylePath}/common/wikibits.js\"></script>\n";
 273                 if( $wgAllowUserJs && $wgUser->isLoggedIn() ) {
 274                         $userpage = $wgUser->getUserPage();
 275                         $userjs = htmlspecialchars( $this->makeUrl(
 276                                 $userpage->getPrefixedText().'/'.$this->getSkinName().'.js',
 277                                 'action=raw&ctype='.$wgJsMimeType));
 278                         $r .= '<script type="'.$wgJsMimeType.'" src="'.$userjs."\"></script>\n";
 279                 }
 280                 return $r;
 281         }
 282
 283         /**
 284          * To make it harder for someone to slip a user a fake
 285          * user-JavaScript or user-CSS preview, a random token
 286          * is associated with the login session. If it's not
 287          * passed back with the preview request, we won't render
 288          * the code.
 289          *
 290          * @param string $action
 291          * @return bool
 292          * @private
 293          */
 294         function userCanPreview( $action ) {
 295                 global $wgTitle, $wgRequest, $wgUser;
 296
 297                 if( $action != 'submit' )
 298                         return false;
 299                 if( !$wgRequest->wasPosted() )
 300                         return false;
 301                 if( !$wgTitle->userCanEditCssJsSubpage() )
 302                         return false;
 303                 return $wgUser->matchEditToken(
 304                         $wgRequest->getVal( 'wpEditToken' ) );
 305         }
 306
 307         # get the user/site-specific stylesheet, SkinTemplate loads via RawPage.php (settings are cached that way)
 308         function getUserStylesheet() {
 309                 global $wgStylePath, $wgRequest, $wgContLang, $wgSquidMaxage;
 310                 $sheet = $this->getStylesheet();
 311                 $action = $wgRequest->getText('action');
 312                 $s = "@import \"$wgStylePath/$sheet\";\n";
 313                 if($wgContLang->isRTL()) $s .= "@import \"$wgStylePath/common/common_rtl.css\";\n";
 314
 315                 $query = "action=raw&ctype=text/css&smaxage=$wgSquidMaxage";
 316                 $s .= '@import "' . $this->makeNSUrl( 'Common.css', $query, NS_MEDIAWIKI ) . "\";\n" .
 317                         '@import "'.$this->makeNSUrl( ucfirst( $this->getSkinName() . '.css' ), $query, NS_MEDIAWIKI ) . "\";\n";
 318
 319                 $s .= $this->doGetUserStyles();
 320                 return $s."\n";
 321         }
 322
 323         /**
 324          * placeholder, returns generated js in monobook
 325          */
 326         function getUserJs() { return; }
 327
 328         /**
 329          * Return html code that include User stylesheets
 330          */
 331         function getUserStyles() {
 332                 $s = "<style type='text/css'>\n";
 333                 $s .= "/*/*/ /*<![CDATA[*/\n"; # <-- Hide the styles from Netscape 4 without hiding them from IE/Mac
 334                 $s .= $this->getUserStylesheet();
 335                 $s .= "/*]]>*/ /* */\n";
 336                 $s .= "</style>\n";
 337                 return $s;
 338         }
 339
 340         /**
 341          * Some styles that are set by user through the user settings interface.
 342          */
 343         function doGetUserStyles() {
 344                 global $wgUser, $wgUser, $wgRequest, $wgTitle, $wgAllowUserCss;
 345
 346                 $s = '';
 347
 348                 if( $wgAllowUserCss && $wgUser->isLoggedIn() ) { # logged in
 349                         if($wgTitle->isCssSubpage() && $this->userCanPreview( $wgRequest->getText( 'action' ) ) ) {
 350                                 $s .= $wgRequest->getText('wpTextbox1');
 351                         } else {
 352                                 $userpage = $wgUser->getUserPage();
 353                                 $s.= '@import "'.$this->makeUrl(
 354                                         $userpage->getPrefixedText().'/'.$this->getSkinName().'.css',
 355                                         'action=raw&ctype=text/css').'";'."\n";
 356                         }
 357                 }
 358
 359                 return $s . $this->reallyDoGetUserStyles();
 360         }
 361
 362         function reallyDoGetUserStyles() {
 363                 global $wgUser;
 364                 $s = '';
 365                 if (($undopt = $wgUser->getOption("underline")) != 2) {
 366                         $underline = $undopt ? 'underline' : 'none';
 367                         $s .= "a { text-decoration: $underline; }\n";
 368                 }
 369                 if( $wgUser->getOption( 'highlightbroken' ) ) {
 370                         $s .= "a.new, #quickbar a.new { color: #CC2200; }\n";
 371                 } else {
 372                         $s .= <<<END
 373 a.new, #quickbar a.new,
 374 a.stub, #quickbar a.stub {
 375         color: inherit;
 376         text-decoration: inherit;
 377 }
 378 a.new:after, #quickbar a.new:after {
 379         content: "?";
 380         color: #CC2200;
 381         text-decoration: $underline;
 382 }
 383 a.stub:after, #quickbar a.stub:after {
 384         content: "!";
 385         color: #772233;
 386         text-decoration: $underline;
 387 }
 388 END;
 389                 }
 390                 if( $wgUser->getOption( 'justify' ) ) {
 391                         $s .= "#article, #bodyContent { text-align: justify; }\n";
 392                 }
 393                 if( !$wgUser->getOption( 'showtoc' ) ) {
 394                         $s .= "#toc { display: none; }\n";
 395                 }
 396                 if( !$wgUser->getOption( 'editsection' ) ) {
 397                         $s .= ".editsection { display: none; }\n";
 398                 }
 399                 return $s;
 400         }
 401
 402         function getBodyOptions() {
 403                 global $wgUser, $wgTitle, $wgOut, $wgRequest;
 404
 405                 extract( $wgRequest->getValues( 'oldid', 'redirect', 'diff' ) );
 406
 407                 if ( 0 != $wgTitle->getNamespace() ) {
 408                         $a = array( 'bgcolor' => '#ffffec' );
 409                 }
 410                 else $a = array( 'bgcolor' => '#FFFFFF' );
 411                 if($wgOut->isArticle() && $wgUser->getOption('editondblclick') &&
 412                   $wgTitle->userCanEdit() ) {
 413                         $t = wfMsg( 'editthispage' );
 414                         $s = $wgTitle->getFullURL( $this->editUrlOptions() );
 415                         $s = 'document.location = "' .wfEscapeJSString( $s ) .'";';
 416                         $a += array ('ondblclick' => $s);
 417
 418                 }
 419                 $a['onload'] = $wgOut->getOnloadHandler();
 420                 if( $wgUser->getOption( 'editsectiononrightclick' ) ) {
 421                         if( $a['onload'] != '' ) {
 422                                 $a['onload'] .= ';';
 423                         }
 424                         $a['onload'] .= 'setupRightClickEdit()';
 425                 }
 426                 return $a;
 427         }
 428
 429         /**
 430          * URL to the logo
 431          */
 432         function getLogo() {
 433                 global $wgLogo;
 434                 return $wgLogo;
 435         }
 436
 437         /**
 438          * This will be called immediately after the <body> tag.  Split into
 439          * two functions to make it easier to subclass.
 440          */
 441         function beforeContent() {
 442                 return $this->doBeforeContent();
 443         }
 444
 445         function doBeforeContent() {
 446                 global $wgContLang;
 447                 $fname = 'Skin::doBeforeContent';
 448                 wfProfileIn( $fname );
 449
 450                 $s = '';
 451                 $qb = $this->qbSetting();
 452
 453                 if( $langlinks = $this->otherLanguages() ) {
 454                         $rows = 2;
 455                         $borderhack = '';
 456                 } else {
 457                         $rows = 1;
 458                         $langlinks = false;
 459                         $borderhack = 'class="top"';
 460                 }
 461
 462                 $s .= "\n<div id='content'>\n<div id='topbar'>\n" .
 463                   "<table border='0' cellspacing='0' width='98%'>\n<tr>\n";
 464
 465                 $shove = ($qb != 0);
 466                 $left = ($qb == 1 || $qb == 3);
 467                 if($wgContLang->isRTL()) $left = !$left;
 468
 469                 if ( !$shove ) {
 470                         $s .= "<td class='top' align='left' valign='top' rowspan='{$rows}'>\n" .
 471                           $this->logoText() . '</td>';
 472                 } elseif( $left ) {
 473                         $s .= $this->getQuickbarCompensator( $rows );
 474                 }
 475                 $l = $wgContLang->isRTL() ? 'right' : 'left';
 476                 $s .= "<td {$borderhack} align='$l' valign='top'>\n";
 477
 478                 $s .= $this->topLinks() ;
 479                 $s .= "<p class='subtitle'>" . $this->pageTitleLinks() . "</p>\n";
 480
 481                 $r = $wgContLang->isRTL() ? "left" : "right";
 482                 $s .= "</td>\n<td {$borderhack} valign='top' align='$r' nowrap='nowrap'>";
 483                 $s .= $this->nameAndLogin();
 484                 $s .= "\n<br />" . $this->searchForm() . "</td>";
 485
 486                 if ( $langlinks ) {
 487                         $s .= "</tr>\n<tr>\n<td class='top' colspan=\"2\">$langlinks</td>\n";
 488                 }
 489
 490                 if ( $shove && !$left ) { # Right
 491                         $s .= $this->getQuickbarCompensator( $rows );
 492                 }
 493                 $s .= "</tr>\n</table>\n</div>\n";
 494                 $s .= "\n<div id='article'>\n";
 495
 496                 $notice = wfGetSiteNotice();
 497                 if( $notice ) {
 498                         $s .= "\n<div id='siteNotice'>$notice</div>\n";
 499                 }
 500                 $s .= $this->pageTitle();
 501                 $s .= $this->pageSubtitle() ;
 502                 $s .= $this->getCategories();
 503                 wfProfileOut( $fname );
 504                 return $s;
 505         }
 506
 507
 508         function getCategoryLinks () {
 509                 global $wgOut, $wgTitle, $wgUseCategoryBrowser;
 510                 global $wgContLang;
 511
 512                 if( count( $wgOut->mCategoryLinks ) == 0 ) return '';
 513
 514                 # Separator
 515                 $sep = wfMsgHtml( 'catseparator' );
 516
 517                 // Use Unicode bidi embedding override characters,
 518                 // to make sure links don't smash each other up in ugly ways.
 519                 $dir = $wgContLang->isRTL() ? 'rtl' : 'ltr';
 520                 $embed = "<span dir='$dir'>";
 521                 $pop = '</span>';
 522                 $t = $embed . implode ( "{$pop} {$sep} {$embed}" , $wgOut->mCategoryLinks ) . $pop;
 523
 524                 $msg = wfMsgExt('categories', array('parsemag', 'escape'), count( $wgOut->mCategoryLinks ));
 525                 $s = $this->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL, 'Categories' ),
 526                         $msg, 'article=' . urlencode( $wgTitle->getPrefixedDBkey() ) )
 527                         . ': ' . $t;
 528
 529                 # optional 'dmoz-like' category browser. Will be shown under the list
 530                 # of categories an article belong to
 531                 if($wgUseCategoryBrowser) {
 532                         $s .= '<br /><hr />';
 533
 534                         # get a big array of the parents tree
 535                         $parenttree = $wgTitle->getParentCategoryTree();
 536                         # Skin object passed by reference cause it can not be
 537                         # accessed under the method subfunction drawCategoryBrowser
 538                         $tempout = explode("\n", Skin::drawCategoryBrowser($parenttree, $this) );
 539                         # Clean out bogus first entry and sort them
 540                         unset($tempout[0]);
 541                         asort($tempout);
 542                         # Output one per line
 543                         $s .= implode("<br />\n", $tempout);
 544                 }
 545
 546                 return $s;
 547         }
 548
 549         /** Render the array as a serie of links.
 550          * @param $tree Array: categories tree returned by Title::getParentCategoryTree
 551          * @param &skin Object: skin passed by reference
 552          * @return String separated by &gt;, terminate with "\n"
 553          */
 554         function drawCategoryBrowser($tree, &$skin) {
 555                 $return = '';
 556                 foreach ($tree as $element => $parent) {
 557                         if (empty($parent)) {
 558                                 # element start a new list
 559                                 $return .= "\n";
 560                         } else {
 561                                 # grab the others elements
 562                                 $return .= Skin::drawCategoryBrowser($parent, $skin) . ' &gt; ';
 563                         }
 564                         # add our current element to the list
 565                         $eltitle = Title::NewFromText($element);
 566                         $return .=  $skin->makeLinkObj( $eltitle, $eltitle->getText() ) ;
 567                 }
 568                 return $return;
 569         }
 570
 571         function getCategories() {
 572                 $catlinks=$this->getCategoryLinks();
 573                 if(!empty($catlinks)) {
 574                         return "<p class='catlinks'>{$catlinks}</p>";
 575                 }
 576         }
 577
 578         function getQuickbarCompensator( $rows = 1 ) {
 579                 return "<td width='152' rowspan='{$rows}'>&nbsp;</td>";
 580         }
 581
 582         /**
 583          * This gets called immediately before the \</body\> tag.
 584          * @return String HTML to be put after \</body\> ???
 585          */
 586         function afterContent() {
 587                 $printfooter = "<div class=\"printfooter\">\n" . $this->printFooter() . "</div>\n";
 588                 return $printfooter . $this->doAfterContent();
 589         }
 590
 591         /** @return string Retrievied from HTML text */
 592         function printSource() {
 593                 global $wgTitle;
 594                 $url = htmlspecialchars( $wgTitle->getFullURL() );
 595                 return wfMsg( 'retrievedfrom', '<a href="'.$url.'">'.$url.'</a>' );
 596         }
 597
 598         function printFooter() {
 599                 return "<p>" .  $this->printSource() .
 600                         "</p>\n\n<p>" . $this->pageStats() . "</p>\n";
 601         }
 602
 603         /** overloaded by derived classes */
 604         function doAfterContent() { }
 605
 606         function pageTitleLinks() {
 607                 global $wgOut, $wgTitle, $wgUser, $wgRequest;
 608
 609                 extract( $wgRequest->getValues( 'oldid', 'diff' ) );
 610                 $action = $wgRequest->getText( 'action' );
 611
 612                 $s = $this->printableLink();
 613                 $disclaimer = $this->disclaimerLink(); # may be empty
 614                 if( $disclaimer ) {
 615                         $s .= ' | ' . $disclaimer;
 616                 }
 617                 $privacy = $this->privacyLink(); # may be empty too
 618                 if( $privacy ) {
 619                         $s .= ' | ' . $privacy;
 620                 }
 621
 622                 if ( $wgOut->isArticleRelated() ) {
 623                         if ( $wgTitle->getNamespace() == NS_IMAGE ) {
 624                                 $name = $wgTitle->getDBkey();
 625                                 $image = new Image( $wgTitle );
 626                                 if( $image->exists() ) {
 627                                         $link = htmlspecialchars( $image->getURL() );
 628                                         $style = $this->getInternalLinkAttributes( $link, $name );
 629                                         $s .= " | <a href=\"{$link}\"{$style}>{$name}</a>";
 630                                 }
 631                         }
 632                 }
 633                 if ( 'history' == $action || isset( $diff ) || isset( $oldid ) ) {
 634                         $s .= ' | ' . $this->makeKnownLinkObj( $wgTitle,
 635                                         wfMsg( 'currentrev' ) );
 636                 }
 637
 638                 if ( $wgUser->getNewtalk() ) {
 639                         # do not show "You have new messages" text when we are viewing our
 640                         # own talk page
 641                         if( !$wgTitle->equals( $wgUser->getTalkPage() ) ) {
 642                                 $tl = $this->makeKnownLinkObj( $wgUser->getTalkPage(), wfMsgHtml( 'newmessageslink' ), 'redirect=no' );
 643                                 $dl = $this->makeKnownLinkObj( $wgUser->getTalkPage(), wfMsgHtml( 'newmessagesdifflink' ), 'diff=cur' );
 644                                 $s.= ' | <strong>'. wfMsg( 'youhavenewmessages', $tl, $dl ) . '</strong>';
 645                                 # disable caching
 646                                 $wgOut->setSquidMaxage(0);
 647                                 $wgOut->enableClientCache(false);
 648                         }
 649                 }
 650
 651                 $undelete = $this->getUndeleteLink();
 652                 if( !empty( $undelete ) ) {
 653                         $s .= ' | '.$undelete;
 654                 }
 655                 return $s;
 656         }
 657
 658         function getUndeleteLink() {
 659                 global $wgUser, $wgTitle, $wgContLang, $action;
 660                 if(     $wgUser->isAllowed( 'deletedhistory' ) &&
 661                         (($wgTitle->getArticleId() == 0) || ($action == "history")) &&
 662                         ($n = $wgTitle->isDeleted() ) )
 663                 {
 664                         if ( $wgUser->isAllowed( 'delete' ) ) {
 665                                 $msg = 'thisisdeleted';
 666                         } else {
 667                                 $msg = 'viewdeleted';
 668                         }
 669                         return wfMsg( $msg,
 670                                 $this->makeKnownLink(
 671                                         $wgContLang->SpecialPage( 'Undelete/' . $wgTitle->getPrefixedDBkey() ),
 672                                         wfMsgExt( 'restorelink', array( 'parsemag', 'escape' ), $n ) ) );
 673                 }
 674                 return '';
 675         }
 676
 677         function printableLink() {
 678                 global $wgOut, $wgFeedClasses, $wgRequest;
 679
 680                 $baseurl = $_SERVER['REQUEST_URI'];
 681                 if( strpos( '?', $baseurl ) == false ) {
 682                         $baseurl .= '?';
 683                 } else {
 684                         $baseurl .= '&';
 685                 }
 686                 $baseurl = htmlspecialchars( $baseurl );
 687                 $printurl = $wgRequest->escapeAppendQuery( 'printable=yes' );
 688
 689                 $s = "<a href=\"$printurl\">" . wfMsg( 'printableversion' ) . '</a>';
 690                 if( $wgOut->isSyndicated() ) {
 691                         foreach( $wgFeedClasses as $format => $class ) {
 692                                 $feedurl = $wgRequest->escapeAppendQuery( "feed=$format" );
 693                                 $s .= " | <a href=\"$feedurl\">{$format}</a>";
 694                         }
 695                 }
 696                 return $s;
 697         }
 698
 699         function pageTitle() {
 700                 global $wgOut;
 701                 $s = '<h1 class="pagetitle">' . htmlspecialchars( $wgOut->getPageTitle() ) . '</h1>';
 702                 return $s;
 703         }
 704
 705         function pageSubtitle() {
 706                 global $wgOut;
 707
 708                 $sub = $wgOut->getSubtitle();
 709                 if ( '' == $sub ) {
 710                         global $wgExtraSubtitle;
 711                         $sub = wfMsg( 'tagline' ) . $wgExtraSubtitle;
 712                 }
 713                 $subpages = $this->subPageSubtitle();
 714                 $sub .= !empty($subpages)?"</p><p class='subpages'>$subpages":'';
 715                 $s = "<p class='subtitle'>{$sub}</p>\n";
 716                 return $s;
 717         }
 718
 719         function subPageSubtitle() {
 720                 global $wgOut,$wgTitle,$wgNamespacesWithSubpages;
 721                 $subpages = '';
 722                 if($wgOut->isArticle() && !empty($wgNamespacesWithSubpages[$wgTitle->getNamespace()])) {
 723                         $ptext=$wgTitle->getPrefixedText();
 724                         if(preg_match('/\//',$ptext)) {
 725                                 $links = explode('/',$ptext);
 726                                 $c = 0;
 727                                 $growinglink = '';
 728                                 foreach($links as $link) {
 729                                         $c++;
 730                                         if ($c<count($links)) {
 731                                                 $growinglink .= $link;
 732                                                 $getlink = $this->makeLink( $growinglink, htmlspecialchars( $link ) );
 733                                                 if(preg_match('/class="new"/i',$getlink)) { break; } # this is a hack, but it saves time
 734                                                 if ($c>1) {
 735                                                         $subpages .= ' | ';
 736                                                 } else  {
 737                                                         $subpages .= '&lt; ';
 738                                                 }
 739                                                 $subpages .= $getlink;
 740                                                 $growinglink .= '/';
 741                                         }
 742                                 }
 743                         }
 744                 }
 745                 return $subpages;
 746         }
 747
 748         function nameAndLogin() {
 749                 global $wgUser, $wgTitle, $wgLang, $wgContLang, $wgShowIPinHeader;
 750
 751                 $li = $wgContLang->specialPage( 'Userlogin' );
 752                 $lo = $wgContLang->specialPage( 'Userlogout' );
 753
 754                 $s = '';
 755                 if ( $wgUser->isAnon() ) {
 756                         if( $wgShowIPinHeader && isset( $_COOKIE[ini_get('session.name')] ) ) {
 757                                 $n = ProxyTools::getIP();
 758
 759                                 $tl = $this->makeKnownLinkObj( $wgUser->getTalkPage(),
 760                                   $wgLang->getNsText( NS_TALK ) );
 761
 762                                 $s .= $n . ' ('.$tl.')';
 763                         } else {
 764                                 $s .= wfMsg('notloggedin');
 765                         }
 766
 767                         $rt = $wgTitle->getPrefixedURL();
 768                         if ( 0 == strcasecmp( urlencode( $lo ), $rt ) ) {
 769                                 $q = '';
 770                         } else { $q = "returnto={$rt}"; }
 771
 772                         $s .= "\n<br />" . $this->makeKnownLinkObj(
 773                                 Title::makeTitle( NS_SPECIAL, 'Userlogin' ),
 774                                 wfMsg( 'login' ), $q );
 775                 } else {
 776                         $n = $wgUser->getName();
 777                         $rt = $wgTitle->getPrefixedURL();
 778                         $tl = $this->makeKnownLinkObj( $wgUser->getTalkPage(),
 779                           $wgLang->getNsText( NS_TALK ) );
 780
 781                         $tl = " ({$tl})";
 782
 783                         $s .= $this->makeKnownLinkObj( $wgUser->getUserPage(),
 784                           $n ) . "{$tl}<br />" .
 785                           $this->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL, 'Userlogout' ), wfMsg( 'logout' ),
 786                           "returnto={$rt}" ) . ' | ' .
 787                           $this->specialLink( 'preferences' );
 788                 }
 789                 $s .= ' | ' . $this->makeKnownLink( wfMsgForContent( 'helppage' ),
 790                   wfMsg( 'help' ) );
 791
 792                 return $s;
 793         }
 794
 795         function getSearchLink() {
 796                 $searchPage =& Title::makeTitle( NS_SPECIAL, 'Search' );
 797                 return $searchPage->getLocalURL();
 798         }
 799
 800         function escapeSearchLink() {
 801                 return htmlspecialchars( $this->getSearchLink() );
 802         }
 803
 804         function searchForm() {
 805                 global $wgRequest;
 806                 $search = $wgRequest->getText( 'search' );
 807
 808                 $s = '<form name="search" class="inline" method="post" action="'
 809                   . $this->escapeSearchLink() . "\">\n"
 810                   . '<input type="text" name="search" size="19" value="'
 811                   . htmlspecialchars(substr($search,0,256)) . "\" />\n"
 812                   . '<input type="submit" name="go" value="' . wfMsg ('go') . '" />&nbsp;'
 813                   . '<input type="submit" name="fulltext" value="' . wfMsg ('search') . "\" />\n</form>";
 814
 815                 return $s;
 816         }
 817
 818         function topLinks() {
 819                 global $wgOut;
 820                 $sep = " |\n";
 821
 822                 $s = $this->mainPageLink() . $sep
 823                   . $this->specialLink( 'recentchanges' );
 824
 825                 if ( $wgOut->isArticleRelated() ) {
 826                         $s .=  $sep . $this->editThisPage()
 827                           . $sep . $this->historyLink();
 828                 }
 829                 # Many people don't like this dropdown box
 830                 #$s .= $sep . $this->specialPagesList();
 831
 832                 /* show links to different language variants */
 833                 global $wgDisableLangConversion, $wgContLang, $wgTitle;
 834                 $variants = $wgContLang->getVariants();
 835                 if( !$wgDisableLangConversion && sizeof( $variants ) > 1 ) {
 836                         foreach( $variants as $code ) {
 837                                 $varname = $wgContLang->getVariantname( $code );
 838                                 if( $varname == 'disable' )
 839                                         continue;
 840                                 $s .= ' | <a href="' . $wgTitle->getLocalUrl( 'variant=' . $code ) . '">' . $varname . '</a>';
 841                         }
 842                 }
 843
 844                 return $s;
 845         }
 846
 847         function bottomLinks() {
 848                 global $wgOut, $wgUser, $wgTitle, $wgUseTrackbacks;
 849                 $sep = " |\n";
 850
 851                 $s = '';
 852                 if ( $wgOut->isArticleRelated() ) {
 853                         $s .= '<strong>' . $this->editThisPage() . '</strong>';
 854                         if ( $wgUser->isLoggedIn() ) {
 855                                 $s .= $sep . $this->watchThisPage();
 856                         }
 857                         $s .= $sep . $this->talkLink()
 858                           . $sep . $this->historyLink()
 859                           . $sep . $this->whatLinksHere()
 860                           . $sep . $this->watchPageLinksLink();
 861
 862                         if ($wgUseTrackbacks)
 863                                 $s .= $sep . $this->trackbackLink();
 864
 865                         if ( $wgTitle->getNamespace() == NS_USER
 866                             || $wgTitle->getNamespace() == NS_USER_TALK )
 867
 868                         {
 869                                 $id=User::idFromName($wgTitle->getText());
 870                                 $ip=User::isIP($wgTitle->getText());
 871
 872                                 if($id || $ip) { # both anons and non-anons have contri list
 873                                         $s .= $sep . $this->userContribsLink();
 874                                 }
 875                                 if( $this->showEmailUser( $id ) ) {
 876                                         $s .= $sep . $this->emailUserLink();
 877                                 }
 878                         }
 879                         if ( $wgTitle->getArticleId() ) {
 880                                 $s .= "\n<br />";
 881                                 if($wgUser->isAllowed('delete')) { $s .= $this->deleteThisPage(); }
 882                                 if($wgUser->isAllowed('protect')) { $s .= $sep . $this->protectThisPage(); }
 883                                 if($wgUser->isAllowed('move')) { $s .= $sep . $this->moveThisPage(); }
 884                         }
 885                         $s .= "<br />\n" . $this->otherLanguages();
 886                 }
 887                 return $s;
 888         }
 889
 890         function pageStats() {
 891                 global $wgOut, $wgLang, $wgArticle, $wgRequest, $wgUser;
 892                 global $wgDisableCounters, $wgMaxCredits, $wgShowCreditsIfMax, $wgTitle, $wgPageShowWatchingUsers;
 893
 894                 extract( $wgRequest->getValues( 'oldid', 'diff' ) );
 895                 if ( ! $wgOut->isArticle() ) { return ''; }
 896                 if ( isset( $oldid ) || isset( $diff ) ) { return ''; }
 897                 if ( 0 == $wgArticle->getID() ) { return ''; }
 898
 899                 $s = '';
 900                 if ( !$wgDisableCounters ) {
 901                         $count = $wgLang->formatNum( $wgArticle->getCount() );
 902                         if ( $count ) {
 903                                 $s = wfMsgExt( 'viewcount', array( 'parseinline' ), $count );
 904                         }
 905                 }
 906
 907                 if (isset($wgMaxCredits) && $wgMaxCredits != 0) {
 908                     $s .= ' ' . Credits::getCredits($wgArticle, $wgMaxCredits, $wgShowCreditsIfMax);
 909                 } else {
 910                     $s .= $this->lastModified();
 911                 }
 912
 913                 if ($wgPageShowWatchingUsers && $wgUser->getOption( 'shownumberswatching' )) {
 914                         $dbr =& wfGetDB( DB_SLAVE );
 915                         extract( $dbr->tableNames( 'watchlist' ) );
 916                         $sql = "SELECT COUNT(*) AS n FROM $watchlist
 917                                 WHERE wl_title='" . $dbr->strencode($wgTitle->getDBKey()) .
 918                                 "' AND  wl_namespace=" . $wgTitle->getNamespace() ;
 919                         $res = $dbr->query( $sql, 'Skin::pageStats');
 920                         $x = $dbr->fetchObject( $res );
 921                         $s .= ' ' . wfMsg('number_of_watching_users_pageview', $x->n );
 922                 }
 923
 924                 return $s . ' ' .  $this->getCopyright();
 925         }
 926
 927         function getCopyright( $type = 'detect' ) {
 928                 global $wgRightsPage, $wgRightsUrl, $wgRightsText, $wgRequest;
 929
 930                 if ( $type == 'detect' ) {
 931                         $oldid = $wgRequest->getVal( 'oldid' );
 932                         $diff = $wgRequest->getVal( 'diff' );
 933
 934                         if ( !is_null( $oldid ) && is_null( $diff ) && wfMsgForContent( 'history_copyright' ) !== '-' ) {
 935                                 $type = 'history';
 936                         } else {
 937                                 $type = 'normal';
 938                         }
 939                 }
 940
 941                 if ( $type == 'history' ) {
 942                         $msg = 'history_copyright';
 943                 } else {
 944                         $msg = 'copyright';
 945                 }
 946
 947                 $out = '';
 948                 if( $wgRightsPage ) {
 949                         $link = $this->makeKnownLink( $wgRightsPage, $wgRightsText );
 950                 } elseif( $wgRightsUrl ) {
 951                         $link = $this->makeExternalLink( $wgRightsUrl, $wgRightsText );
 952                 } else {
 953                         # Give up now
 954                         return $out;
 955                 }
 956                 $out .= wfMsgForContent( $msg, $link );
 957                 return $out;
 958         }
 959
 960         function getCopyrightIcon() {
 961                 global $wgRightsUrl, $wgRightsText, $wgRightsIcon, $wgCopyrightIcon;
 962                 $out = '';
 963                 if ( isset( $wgCopyrightIcon ) && $wgCopyrightIcon ) {
 964                         $out = $wgCopyrightIcon;
 965                 } else if ( $wgRightsIcon ) {
 966                         $icon = htmlspecialchars( $wgRightsIcon );
 967                         if ( $wgRightsUrl ) {
 968                                 $url = htmlspecialchars( $wgRightsUrl );
 969                                 $out .= '<a href="'.$url.'">';
 970                         }
 971                         $text = htmlspecialchars( $wgRightsText );
 972                         $out .= "<img src=\"$icon\" alt='$text' />";
 973                         if ( $wgRightsUrl ) {
 974                                 $out .= '</a>';
 975                         }
 976                 }
 977                 return $out;
 978         }
 979
 980         function getPoweredBy() {
 981                 global $wgStylePath;
 982                 $url = htmlspecialchars( "$wgStylePath/common/images/poweredby_mediawiki_88x31.png" );
 983                 $img = '<a href="http://www.mediawiki.org/"><img src="'.$url.'" alt="MediaWiki" /></a>';
 984                 return $img;
 985         }
 986
 987         function lastModified() {
 988                 global $wgLang, $wgArticle, $wgLoadBalancer;
 989
 990                 $timestamp = $wgArticle->getTimestamp();
 991                 if ( $timestamp ) {
 992                         $d = $wgLang->timeanddate( $timestamp, true );
 993                         $s = ' ' . wfMsg( 'lastmodified', $d );
 994                 } else {
 995                         $s = '';
 996                 }
 997                 if ( $wgLoadBalancer->getLaggedSlaveMode() ) {
 998                         $s .= ' <strong>' . wfMsg( 'laggedslavemode' ) . '</strong>';
 999                 }
1000                 return $s;
1001         }
1002
1003         function logoText( $align = '' ) {
1004                 if ( '' != $align ) { $a = " align='{$align}'"; }
1005                 else { $a = ''; }
1006
1007                 $mp = wfMsg( 'mainpage' );
1008                 $titleObj = Title::newFromText( $mp );
1009                 if ( is_object( $titleObj ) ) {
1010                         $url = $titleObj->escapeLocalURL();
1011                 } else {
1012                         $url = '';
1013                 }
1014
1015                 $logourl = $this->getLogo();
1016                 $s = "<a href='{$url}'><img{$a} src='{$logourl}' alt='[{$mp}]' /></a>";
1017                 return $s;
1018         }
1019
1020         /**
1021          * show a drop-down box of special pages
1022          * @TODO crash bug913. Need to be rewrote completly.
1023          */
1024         function specialPagesList() {
1025                 global $wgUser, $wgContLang, $wgServer, $wgRedirectScript, $wgAvailableRights;
1026                 $a = array();
1027                 $pages = SpecialPage::getPages();
1028
1029                 // special pages without access restriction
1030                 foreach ( $pages[''] as $name => $page ) {
1031                         $a[$name] = $page->getDescription();
1032                 }
1033
1034                 // Other special pages that are restricted.
1035                 // Copied from SpecialSpecialpages.php
1036                 foreach($wgAvailableRights as $right) {
1037                         if( $wgUser->isAllowed($right) ) {
1038                                 /** Add all pages for this right */
1039                                 if(isset($pages[$right])) {
1040                                         foreach($pages[$right] as $name => $page) {
1041                                         $a[$name] = $page->getDescription();
1042                                         }
1043                                 }
1044                         }
1045                 }
1046
1047                 $go = wfMsg( 'go' );
1048                 $sp = wfMsg( 'specialpages' );
1049                 $spp = $wgContLang->specialPage( 'Specialpages' );
1050
1051                 $s = '<form id="specialpages" method="get" class="inline" ' .
1052                   'action="' . htmlspecialchars( "{$wgServer}{$wgRedirectScript}" ) . "\">\n";
1053                 $s .= "<select name=\"wpDropdown\">\n";
1054                 $s .= "<option value=\"{$spp}\">{$sp}</option>\n";
1055
1056
1057                 foreach ( $a as $name => $desc ) {
1058                         $p = $wgContLang->specialPage( $name );
1059                         $s .= "<option value=\"{$p}\">{$desc}</option>\n";
1060                 }
1061                 $s .= "</select>\n";
1062                 $s .= "<input type='submit' value=\"{$go}\" name='redirect' />\n";
1063                 $s .= "</form>\n";
1064                 return $s;
1065         }
1066
1067         function mainPageLink() {
1068                 $mp = wfMsgForContent( 'mainpage' );
1069                 $mptxt = wfMsg( 'mainpage');
1070                 $s = $this->makeKnownLink( $mp, $mptxt );
1071                 return $s;
1072         }
1073
1074         function copyrightLink() {
1075                 $s = $this->makeKnownLink( wfMsgForContent( 'copyrightpage' ),
1076                   wfMsg( 'copyrightpagename' ) );
1077                 return $s;
1078         }
1079
1080         function privacyLink() {
1081                 $privacy = wfMsg( 'privacy' );
1082                 if ($privacy == '-') {
1083                         return '';
1084                 } else {
1085                         return $this->makeKnownLink( wfMsgForContent( 'privacypage' ), $privacy);
1086                 }
1087         }
1088
1089         function aboutLink() {
1090                 $s = $this->makeKnownLink( wfMsgForContent( 'aboutpage' ),
1091                   wfMsg( 'aboutsite' ) );
1092                 return $s;
1093         }
1094
1095         function disclaimerLink() {
1096                 $disclaimers = wfMsg( 'disclaimers' );
1097                 if ($disclaimers == '-') {
1098                         return '';
1099                 } else {
1100                         return $this->makeKnownLink( wfMsgForContent( 'disclaimerpage' ),
1101                                                      $disclaimers );
1102                 }
1103         }
1104
1105         function editThisPage() {
1106                 global $wgOut, $wgTitle;
1107
1108                 if ( ! $wgOut->isArticleRelated() ) {
1109                         $s = wfMsg( 'protectedpage' );
1110                 } else {
1111                         if ( $wgTitle->userCanEdit() ) {
1112                                 $t = wfMsg( 'editthispage' );
1113                         } else {
1114                                 $t = wfMsg( 'viewsource' );
1115                         }
1116
1117                         $s = $this->makeKnownLinkObj( $wgTitle, $t, $this->editUrlOptions() );
1118                 }
1119                 return $s;
1120         }
1121
1122         /**
1123          * Return URL options for the 'edit page' link.
1124          * This may include an 'oldid' specifier, if the current page view is such.
1125          *
1126          * @return string
1127          * @private
1128          */
1129         function editUrlOptions() {
1130                 global $wgArticle;
1131
1132                 if( $this->mRevisionId && ! $wgArticle->isCurrent() ) {
1133                         return "action=edit&oldid=" . intval( $this->mRevisionId );
1134                 } else {
1135                         return "action=edit";
1136                 }
1137         }
1138
1139         function deleteThisPage() {
1140                 global $wgUser, $wgTitle, $wgRequest;
1141
1142                 $diff = $wgRequest->getVal( 'diff' );
1143                 if ( $wgTitle->getArticleId() && ( ! $diff ) && $wgUser->isAllowed('delete') ) {
1144                         $t = wfMsg( 'deletethispage' );
1145
1146                         $s = $this->makeKnownLinkObj( $wgTitle, $t, 'action=delete' );
1147                 } else {
1148                         $s = '';
1149                 }
1150                 return $s;
1151         }
1152
1153         function protectThisPage() {
1154                 global $wgUser, $wgTitle, $wgRequest;
1155
1156                 $diff = $wgRequest->getVal( 'diff' );
1157                 if ( $wgTitle->getArticleId() && ( ! $diff ) && $wgUser->isAllowed('protect') ) {
1158                         if ( $wgTitle->isProtected() ) {
1159                                 $t = wfMsg( 'unprotectthispage' );
1160                                 $q = 'action=unprotect';
1161                         } else {
1162                                 $t = wfMsg( 'protectthispage' );
1163                                 $q = 'action=protect';
1164                         }
1165                         $s = $this->makeKnownLinkObj( $wgTitle, $t, $q );
1166                 } else {
1167                         $s = '';
1168                 }
1169                 return $s;
1170         }
1171
1172         function watchThisPage() {
1173                 global $wgOut, $wgTitle;
1174
1175                 if ( $wgOut->isArticleRelated() ) {
1176                         if ( $wgTitle->userIsWatching() ) {
1177                                 $t = wfMsg( 'unwatchthispage' );
1178                                 $q = 'action=unwatch';
1179                         } else {
1180                                 $t = wfMsg( 'watchthispage' );
1181                                 $q = 'action=watch';
1182                         }
1183                         $s = $this->makeKnownLinkObj( $wgTitle, $t, $q );
1184                 } else {
1185                         $s = wfMsg( 'notanarticle' );
1186                 }
1187                 return $s;
1188         }
1189
1190         function moveThisPage() {
1191                 global $wgTitle;
1192
1193                 if ( $wgTitle->userCanMove() ) {
1194                         return $this->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL, 'Movepage' ),
1195                           wfMsg( 'movethispage' ), 'target=' . $wgTitle->getPrefixedURL() );
1196                 } else {
1197                         // no message if page is protected - would be redundant
1198                         return '';
1199                 }
1200         }
1201
1202         function historyLink() {
1203                 global $wgTitle;
1204
1205                 return $this->makeKnownLinkObj( $wgTitle,
1206                   wfMsg( 'history' ), 'action=history' );
1207         }
1208
1209         function whatLinksHere() {
1210                 global $wgTitle;
1211
1212                 return $this->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL, 'Whatlinkshere' ),
1213                   wfMsg( 'whatlinkshere' ), 'target=' . $wgTitle->getPrefixedURL() );
1214         }
1215
1216         function userContribsLink() {
1217                 global $wgTitle;
1218
1219                 return $this->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL, 'Contributions' ),
1220                   wfMsg( 'contributions' ), 'target=' . $wgTitle->getPartialURL() );
1221         }
1222
1223         function showEmailUser( $id ) {
1224                 global $wgEnableEmail, $wgEnableUserEmail, $wgUser;
1225                 return $wgEnableEmail &&
1226                        $wgEnableUserEmail &&
1227                        $wgUser->isLoggedIn() && # show only to signed in users
1228                        0 != $id; # we can only email to non-anons ..
1229 #                      '' != $id->getEmail() && # who must have an email address stored ..
1230 #                      0 != $id->getEmailauthenticationtimestamp() && # .. which is authenticated
1231 #                      1 != $wgUser->getOption('disablemail'); # and not disabled
1232         }
1233
1234         function emailUserLink() {
1235                 global $wgTitle;
1236
1237                 return $this->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL, 'Emailuser' ),
1238                   wfMsg( 'emailuser' ), 'target=' . $wgTitle->getPartialURL() );
1239         }
1240
1241         function watchPageLinksLink() {
1242                 global $wgOut, $wgTitle;
1243
1244                 if ( ! $wgOut->isArticleRelated() ) {
1245                         return '(' . wfMsg( 'notanarticle' ) . ')';
1246                 } else {
1247                         return $this->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL,
1248                           'Recentchangeslinked' ), wfMsg( 'recentchangeslinked' ),
1249                           'target=' . $wgTitle->getPrefixedURL() );
1250                 }
1251         }
1252
1253         function trackbackLink() {
1254                 global $wgTitle;
1255
1256                 return "<a href=\"" . $wgTitle->trackbackURL() . "\">"
1257                         . wfMsg('trackbacklink') . "</a>";
1258         }
1259
1260         function otherLanguages() {
1261                 global $wgOut, $wgContLang, $wgHideInterlanguageLinks;
1262
1263                 if ( $wgHideInterlanguageLinks ) {
1264                         return '';
1265                 }
1266
1267                 $a = $wgOut->getLanguageLinks();
1268                 if ( 0 == count( $a ) ) {
1269                         return '';
1270                 }
1271
1272                 $s = wfMsg( 'otherlanguages' ) . ': ';
1273                 $first = true;
1274                 if($wgContLang->isRTL()) $s .= '<span dir="LTR">';
1275                 foreach( $a as $l ) {
1276                         if ( ! $first ) { $s .= ' | '; }
1277                         $first = false;
1278
1279                         $nt = Title::newFromText( $l );
1280                         $url = $nt->escapeFullURL();
1281                         $text = $wgContLang->getLanguageName( $nt->getInterwiki() );
1282
1283                         if ( '' == $text ) { $text = $l; }
1284                         $style = $this->getExternalLinkAttributes( $l, $text );
1285                         $s .= "<a href=\"{$url}\"{$style}>{$text}</a>";
1286                 }
1287                 if($wgContLang->isRTL()) $s .= '</span>';
1288                 return $s;
1289         }
1290
1291         function bugReportsLink() {
1292                 $s = $this->makeKnownLink( wfMsgForContent( 'bugreportspage' ),
1293                   wfMsg( 'bugreports' ) );
1294                 return $s;
1295         }
1296
1297         function dateLink() {
1298                 $t1 = Title::newFromText( gmdate( 'F j' ) );
1299                 $t2 = Title::newFromText( gmdate( 'Y' ) );
1300
1301                 $id = $t1->getArticleID();
1302
1303                 if ( 0 == $id ) {
1304                         $s = $this->makeBrokenLink( $t1->getText() );
1305                 } else {
1306                         $s = $this->makeKnownLink( $t1->getText() );
1307                 }
1308                 $s .= ', ';
1309
1310                 $id = $t2->getArticleID();
1311
1312                 if ( 0 == $id ) {
1313                         $s .= $this->makeBrokenLink( $t2->getText() );
1314                 } else {
1315                         $s .= $this->makeKnownLink( $t2->getText() );
1316                 }
1317                 return $s;
1318         }
1319
1320         function talkLink() {
1321                 global $wgTitle;
1322
1323                 if ( NS_SPECIAL == $wgTitle->getNamespace() ) {
1324                         # No discussion links for special pages
1325                         return '';
1326                 }
1327
1328                 if( $wgTitle->isTalkPage() ) {
1329                         $link = $wgTitle->getSubjectPage();
1330                         switch( $link->getNamespace() ) {
1331                         case NS_MAIN:
1332                                 $text = wfMsg('articlepage');
1333                                 break;
1334                         case NS_USER:
1335                                 $text = wfMsg('userpage');
1336                                 break;
1337                         case NS_PROJECT:
1338                                 $text = wfMsg('projectpage');
1339                                 break;
1340                         case NS_IMAGE:
1341                                 $text = wfMsg('imagepage');
1342                                 break;
1343                         default:
1344                                 $text= wfMsg('articlepage');
1345                         }
1346                 } else {
1347                         $link = $wgTitle->getTalkPage();
1348                         $text = wfMsg( 'talkpage' );
1349                 }
1350
1351                 $s = $this->makeLinkObj( $link, $text );
1352
1353                 return $s;
1354         }
1355
1356         function commentLink() {
1357                 global $wgTitle, $wgOut;
1358
1359                 if ( $wgTitle->getNamespace() == NS_SPECIAL ) {
1360                         return '';
1361                 }
1362
1363                 # __NEWSECTIONLINK___ changes behaviour here
1364                 # If it's present, the link points to this page, otherwise
1365                 # it points to the talk page
1366                 if( $wgTitle->isTalkPage() ) {
1367                         $title =& $wgTitle;
1368                 } elseif( $wgOut->showNewSectionLink() ) {
1369                         $title =& $wgTitle;
1370                 } else {
1371                         $title =& $wgTitle->getTalkPage();
1372                 }
1373
1374                 return $this->makeKnownLinkObj( $title, wfMsg( 'postcomment' ), 'action=edit&section=new' );
1375         }
1376
1377         /* these are used extensively in SkinTemplate, but also some other places */
1378         /*static*/ function makeSpecialUrl( $name, $urlaction='' ) {
1379                 $title = Title::makeTitle( NS_SPECIAL, $name );
1380                 return $title->getLocalURL( $urlaction );
1381         }
1382
1383         /*static*/ function makeI18nUrl ( $name, $urlaction='' ) {
1384                 $title = Title::newFromText( wfMsgForContent($name) );
1385                 $this->checkTitle($title, $name);
1386                 return $title->getLocalURL( $urlaction );
1387         }
1388
1389         /*static*/ function makeUrl ( $name, $urlaction='' ) {
1390                 $title = Title::newFromText( $name );
1391                 $this->checkTitle($title, $name);
1392                 return $title->getLocalURL( $urlaction );
1393         }
1394
1395         # If url string starts with http, consider as external URL, else
1396         # internal
1397         /*static*/ function makeInternalOrExternalUrl( $name ) {
1398                 if ( preg_match( '/^(?:' . wfUrlProtocols() . ')/', $name ) ) {
1399                         return $name;
1400                 } else {
1401                         return $this->makeUrl( $name );
1402                 }
1403         }
1404
1405         # this can be passed the NS number as defined in Language.php
1406         /*static*/ function makeNSUrl( $name, $urlaction='', $namespace=NS_MAIN ) {
1407                 $title = Title::makeTitleSafe( $namespace, $name );
1408                 $this->checkTitle($title, $name);
1409                 return $title->getLocalURL( $urlaction );
1410         }
1411
1412         /* these return an array with the 'href' and boolean 'exists' */
1413         /*static*/ function makeUrlDetails ( $name, $urlaction='' ) {
1414                 $title = Title::newFromText( $name );
1415                 $this->checkTitle($title, $name);
1416                 return array(
1417                         'href' => $title->getLocalURL( $urlaction ),
1418                         'exists' => $title->getArticleID() != 0?true:false
1419                 );
1420         }
1421
1422         /**
1423          * Make URL details where the article exists (or at least it's convenient to think so)
1424          */
1425         function makeKnownUrlDetails( $name, $urlaction='' ) {
1426                 $title = Title::newFromText( $name );
1427                 $this->checkTitle($title, $name);
1428                 return array(
1429                         'href' => $title->getLocalURL( $urlaction ),
1430                         'exists' => true
1431                 );
1432         }
1433
1434         # make sure we have some title to operate on
1435         /*static*/ function checkTitle ( &$title, &$name ) {
1436                 if(!is_object($title)) {
1437                         $title = Title::newFromText( $name );
1438                         if(!is_object($title)) {
1439                                 $title = Title::newFromText( '--error: link target missing--' );
1440                         }
1441                 }
1442         }
1443
1444         /**
1445          * Build an array that represents the sidebar(s), the navigation bar among them
1446          *
1447          * @return array
1448          * @private
1449          */
1450         function buildSidebar() {
1451                 global $wgDBname, $parserMemc, $wgEnableSidebarCache;
1452                 global $wgLanguageCode, $wgContLanguageCode;
1453
1454                 $fname = 'SkinTemplate::buildSidebar';
1455
1456                 wfProfileIn( $fname );
1457
1458                 $key = "{$wgDBname}:sidebar";
1459                 $cacheSidebar = $wgEnableSidebarCache &&
1460                         ($wgLanguageCode == $wgContLanguageCode);
1461
1462                 if ($cacheSidebar) {
1463                         $cachedsidebar = $parserMemc->get( $key );
1464                         if ($cachedsidebar!="") {
1465                                 wfProfileOut($fname);
1466                                 return $cachedsidebar;
1467                         }
1468                 }
1469
1470                 $bar = array();
1471                 $lines = explode( "\n", wfMsgForContent( 'sidebar' ) );
1472                 foreach ($lines as $line) {
1473                         if (strpos($line, '*') !== 0)
1474                                 continue;
1475                         if (strpos($line, '**') !== 0) {
1476                                 $line = trim($line, '* ');
1477                                 $heading = $line;
1478                         } else {
1479                                 if (strpos($line, '|') !== false) { // sanity check
1480                                         $line = explode( '|' , trim($line, '* '), 2 );
1481                                         $link = wfMsgForContent( $line[0] );
1482                                         if ($link == '-')
1483                                                 continue;
1484                                         if (wfEmptyMsg($line[1], $text = wfMsg($line[1])))
1485                                                 $text = $line[1];
1486                                         if (wfEmptyMsg($line[0], $link))
1487                                                 $link = $line[0];
1488                                         $href = $this->makeInternalOrExternalUrl( $link );
1489                                         $bar[$heading][] = array(
1490                                                 'text' => $text,
1491                                                 'href' => $href,
1492                                                 'id' => 'n-' . strtr($line[1], ' ', '-'),
1493                                                 'active' => false
1494                                         );
1495                                 } else { continue; }
1496                         }
1497                 }
1498                 if ($cacheSidebar)
1499                         $cachednotice = $parserMemc->set( $key, $bar, 86400 );
1500                 wfProfileOut( $fname );
1501                 return $bar;
1502         }
1503 }
1504 ?>