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  * including PHPTal skins.
  36  * This base class is also the "Standard" skin.
  37  * @package MediaWiki
  38  */
  39 class Skin extends Linker {
  40         /**#@+
  41          * @access private
  42          */
  43         var $lastdate, $lastline;
  44         var $rc_cache ; # Cache for Enhanced Recent Changes
  45         var $rcCacheIndex ; # Recent Changes Cache Counter for visibility toggle
  46         var $rcMoveIndex;
  47         /**#@-*/
  48
  49         /** Constructor, call parent constructor */
  50         function Skin() { parent::Linker(); }
  51
  52         /**
  53          * Fetch the set of available skins.
  54          * @return array of strings
  55          * @static
  56          */
  57         function getSkinNames() {
  58                 global $wgValidSkinNames;
  59                 return $wgValidSkinNames;
  60         }
  61
  62         /**
  63          * Normalize a skin preference value to a form that can be loaded.
  64          * If a skin can't be found, it will fall back to the configured
  65          * default (or the old 'Classic' skin if that's broken).
  66          * @param string $key
  67          * @return string
  68          * @static
  69          */
  70         function normalizeKey( $key ) {
  71                 global $wgDefaultSkin;
  72                 $skinNames = Skin::getSkinNames();
  73
  74                 if( $key == '' ) {
  75                         // Don't return the default immediately;
  76                         // in a misconfiguration we need to fall back.
  77                         $key = $wgDefaultSkin;
  78                 }
  79
  80                 if( isset( $skinNames[$key] ) ) {
  81                         return $key;
  82                 }
  83
  84                 // Older versions of the software used a numeric setting
  85                 // in the user preferences.
  86                 $fallback = array(
  87                         0 => $wgDefaultSkin,
  88                         1 => 'nostalgia',
  89                         2 => 'cologneblue' );
  90
  91                 if( isset( $fallback[$key] ) ){
  92                         $key = $fallback[$key];
  93                 }
  94
  95                 if( isset( $skinNames[$key] ) ) {
  96                         return $key;
  97                 } else {
  98                         // The old built-in skin
  99                         return 'standard';
 100                 }
 101         }
 102
 103         /**
 104          * Factory method for loading a skin of a given type
 105          * @param string $key 'monobook', 'standard', etc
 106          * @return Skin
 107          * @static
 108          */
 109         function &newFromKey( $key ) {
 110                 $key = Skin::normalizeKey( $key );
 111
 112                 $skinNames = Skin::getSkinNames();
 113                 $skinName = $skinNames[$key];
 114
 115                 global $IP;
 116
 117                 # Grab the skin class and initialise it. Each skin checks for PHPTal
 118                 # and will not load if it's not enabled.
 119                 wfSuppressWarnings();
 120                 // Preload base classes to work around APC/PHP5 bug
 121                 include_once( $IP.'/skins/'.$skinName.'.deps.php' );
 122                 wfRestoreWarnings();
 123                 require_once( $IP.'/skins/'.$skinName.'.php' );
 124
 125                 # Check if we got if not failback to default skin
 126                 $className = 'Skin'.$skinName;
 127                 if( !class_exists( $className ) ) {
 128                         # DO NOT die if the class isn't found. This breaks maintenance
 129                         # scripts and can cause a user account to be unrecoverable
 130                         # except by SQL manipulation if a previously valid skin name
 131                         # is no longer valid.
 132                         $className = 'SkinStandard';
 133                         require_once( $IP.'/skins/Standard.php' );
 134                 }
 135                 $skin =& new $className;
 136                 return $skin;
 137         }
 138
 139         /** @return string path to the skin stylesheet */
 140         function getStylesheet() {
 141                 return 'common/wikistandard.css?1';
 142         }
 143
 144         /** @return string skin name */
 145         function getSkinName() {
 146                 return 'standard';
 147         }
 148
 149         function qbSetting() {
 150                 global $wgOut, $wgUser;
 151
 152                 if ( $wgOut->isQuickbarSuppressed() ) { return 0; }
 153                 $q = $wgUser->getOption( 'quickbar' );
 154                 if ( '' == $q ) { $q = 0; }
 155                 return $q;
 156         }
 157
 158         function initPage( &$out ) {
 159                 global $wgFavicon;
 160
 161                 $fname = 'Skin::initPage';
 162                 wfProfileIn( $fname );
 163
 164                 if( false !== $wgFavicon ) {
 165                         $out->addLink( array( 'rel' => 'shortcut icon', 'href' => $wgFavicon ) );
 166                 }
 167
 168                 $this->addMetadataLinks($out);
 169
 170                 $this->mRevisionId = $out->mRevisionId;
 171
 172                 wfProfileOut( $fname );
 173         }
 174
 175         function addMetadataLinks( &$out ) {
 176                 global $wgTitle, $wgEnableDublinCoreRdf, $wgEnableCreativeCommonsRdf;
 177                 global $wgRightsPage, $wgRightsUrl;
 178
 179                 if( $out->isArticleRelated() ) {
 180                         # note: buggy CC software only reads first "meta" link
 181                         if( $wgEnableCreativeCommonsRdf ) {
 182                                 $out->addMetadataLink( array(
 183                                         'title' => 'Creative Commons',
 184                                         'type' => 'application/rdf+xml',
 185                                         'href' => $wgTitle->getLocalURL( 'action=creativecommons') ) );
 186                         }
 187                         if( $wgEnableDublinCoreRdf ) {
 188                                 $out->addMetadataLink( array(
 189                                         'title' => 'Dublin Core',
 190                                         'type' => 'application/rdf+xml',
 191                                         'href' => $wgTitle->getLocalURL( 'action=dublincore' ) ) );
 192                         }
 193                 }
 194                 $copyright = '';
 195                 if( $wgRightsPage ) {
 196                         $copy = Title::newFromText( $wgRightsPage );
 197                         if( $copy ) {
 198                                 $copyright = $copy->getLocalURL();
 199                         }
 200                 }
 201                 if( !$copyright && $wgRightsUrl ) {
 202                         $copyright = $wgRightsUrl;
 203                 }
 204                 if( $copyright ) {
 205                         $out->addLink( array(
 206                                 'rel' => 'copyright',
 207                                 'href' => $copyright ) );
 208                 }
 209         }
 210
 211         function outputPage( &$out ) {
 212                 global $wgDebugComments;
 213
 214                 wfProfileIn( 'Skin::outputPage' );
 215                 $this->initPage( $out );
 216
 217                 $out->out( $out->headElement() );
 218
 219                 $out->out( "\n<body" );
 220                 $ops = $this->getBodyOptions();
 221                 foreach ( $ops as $name => $val ) {
 222                         $out->out( " $name='$val'" );
 223                 }
 224                 $out->out( ">\n" );
 225                 if ( $wgDebugComments ) {
 226                         $out->out( "<!-- Wiki debugging output:\n" .
 227                           $out->mDebugtext . "-->\n" );
 228                 }
 229
 230                 $out->out( $this->beforeContent() );
 231
 232                 $out->out( $out->mBodytext . "\n" );
 233
 234                 $out->out( $this->afterContent() );
 235
 236                 $out->out( $out->reportTime() );
 237
 238                 $out->out( "\n</body></html>" );
 239         }
 240
 241         function getHeadScripts() {
 242                 global $wgStylePath, $wgUser, $wgAllowUserJs, $wgJsMimeType;
 243                 $r = "<script type=\"{$wgJsMimeType}\" src=\"{$wgStylePath}/common/wikibits.js\"></script>\n";
 244                 if( $wgAllowUserJs && $wgUser->isLoggedIn() ) {
 245                         $userpage = $wgUser->getUserPage();
 246                         $userjs = htmlspecialchars( $this->makeUrl(
 247                                 $userpage->getPrefixedText().'/'.$this->getSkinName().'.js',
 248                                 'action=raw&ctype='.$wgJsMimeType));
 249                         $r .= '<script type="'.$wgJsMimeType.'" src="'.$userjs."\"></script>\n";
 250                 }
 251                 return $r;
 252         }
 253
 254         /**
 255          * To make it harder for someone to slip a user a fake
 256          * user-JavaScript or user-CSS preview, a random token
 257          * is associated with the login session. If it's not
 258          * passed back with the preview request, we won't render
 259          * the code.
 260          *
 261          * @param string $action
 262          * @return bool
 263          * @access private
 264          */
 265         function userCanPreview( $action ) {
 266                 global $wgTitle, $wgRequest, $wgUser;
 267
 268                 if( $action != 'submit' )
 269                         return false;
 270                 if( !$wgRequest->wasPosted() )
 271                         return false;
 272                 if( !$wgTitle->userCanEditCssJsSubpage() )
 273                         return false;
 274                 return $wgUser->matchEditToken(
 275                         $wgRequest->getVal( 'wpEditToken' ) );
 276         }
 277
 278         # get the user/site-specific stylesheet, SkinPHPTal called from RawPage.php (settings are cached that way)
 279         function getUserStylesheet() {
 280                 global $wgOut, $wgStylePath, $wgRequest, $wgContLang, $wgSquidMaxage;
 281                 $sheet = $this->getStylesheet();
 282                 $action = $wgRequest->getText('action');
 283                 $s = "@import \"$wgStylePath/$sheet\";\n";
 284                 if($wgContLang->isRTL()) $s .= "@import \"$wgStylePath/common/common_rtl.css\";\n";
 285
 286                 $query = "action=raw&ctype=text/css&smaxage=$wgSquidMaxage";
 287                 $s .= '@import "' . $this->makeNSUrl( 'Common.css', $query, NS_MEDIAWIKI ) . "\";\n" .
 288                         '@import "'.$this->makeNSUrl( ucfirst( $this->getSkinName() . '.css' ), $query, NS_MEDIAWIKI ) . "\";\n";
 289
 290                 $s .= $this->doGetUserStyles();
 291                 return $s."\n";
 292         }
 293
 294         /**
 295          * placeholder, returns generated js in monobook
 296          */
 297         function getUserJs() { return; }
 298
 299         /**
 300          * Return html code that include User stylesheets
 301          */
 302         function getUserStyles() {
 303                 global $wgOut, $wgStylePath;
 304                 $s = "<style type='text/css'>\n";
 305                 $s .= "/*/*/ /*<![CDATA[*/\n"; # <-- Hide the styles from Netscape 4 without hiding them from IE/Mac
 306                 $s .= $this->getUserStylesheet();
 307                 $s .= "/*]]>*/ /* */\n";
 308                 $s .= "</style>\n";
 309                 return $s;
 310         }
 311
 312         /**
 313          * Some styles that are set by user through the user settings interface.
 314          */
 315         function doGetUserStyles() {
 316                 global $wgUser, $wgContLang, $wgUser, $wgRequest, $wgTitle, $wgAllowUserCss;
 317
 318                 $s = '';
 319
 320                 if( $wgAllowUserCss && $wgUser->isLoggedIn() ) { # logged in
 321                         if($wgTitle->isCssSubpage() && $this->userCanPreview( $action ) ) {
 322                                 $s .= $wgRequest->getText('wpTextbox1');
 323                         } else {
 324                                 $userpage = $wgUser->getUserPage();
 325                                 $s.= '@import "'.$this->makeUrl(
 326                                         $userpage->getPrefixedText().'/'.$this->getSkinName().'.css',
 327                                         'action=raw&ctype=text/css').'";'."\n";
 328                         }
 329                 }
 330
 331                 return $s . $this->reallyDoGetUserStyles();
 332         }
 333
 334         function reallyDoGetUserStyles() {
 335                 global $wgUser;
 336                 $s = '';
 337                 if (($undopt = $wgUser->getOption("underline")) != 2) {
 338                         $underline = $undopt ? 'underline' : 'none';
 339                         $s .= "a { text-decoration: $underline; }\n";
 340                 }
 341                 if( $wgUser->getOption( 'highlightbroken' ) ) {
 342                         $s .= "a.new, #quickbar a.new { color: #CC2200; }\n";
 343                 } else {
 344                         $s .= <<<END
 345 a.new, #quickbar a.new,
 346 a.stub, #quickbar a.stub {
 347         color: inherit;
 348         text-decoration: inherit;
 349 }
 350 a.new:after, #quickbar a.new:after {
 351         content: "?";
 352         color: #CC2200;
 353         text-decoration: $underline;
 354 }
 355 a.stub:after, #quickbar a.stub:after {
 356         content: "!";
 357         color: #772233;
 358         text-decoration: $underline;
 359 }
 360 END;
 361                 }
 362                 if( $wgUser->getOption( 'justify' ) ) {
 363                         $s .= "#article, #bodyContent { text-align: justify; }\n";
 364                 }
 365                 if( !$wgUser->getOption( 'showtoc' ) ) {
 366                         $s .= "#toc { display: none; }\n";
 367                 }
 368                 if( !$wgUser->getOption( 'editsection' ) ) {
 369                         $s .= ".editsection { display: none; }\n";
 370                 }
 371                 return $s;
 372         }
 373
 374         function getBodyOptions() {
 375                 global $wgUser, $wgTitle, $wgOut, $wgRequest;
 376
 377                 extract( $wgRequest->getValues( 'oldid', 'redirect', 'diff' ) );
 378
 379                 if ( 0 != $wgTitle->getNamespace() ) {
 380                         $a = array( 'bgcolor' => '#ffffec' );
 381                 }
 382                 else $a = array( 'bgcolor' => '#FFFFFF' );
 383                 if($wgOut->isArticle() && $wgUser->getOption('editondblclick') &&
 384                   $wgTitle->userCanEdit() ) {
 385                         $t = wfMsg( 'editthispage' );
 386                         $s = $wgTitle->getFullURL( $this->editUrlOptions() );
 387                         $s = 'document.location = "' .wfEscapeJSString( $s ) .'";';
 388                         $a += array ('ondblclick' => $s);
 389
 390                 }
 391                 $a['onload'] = $wgOut->getOnloadHandler();
 392                 if( $wgUser->getOption( 'editsectiononrightclick' ) ) {
 393                         if( $a['onload'] != '' ) {
 394                                 $a['onload'] .= ';';
 395                         }
 396                         $a['onload'] .= 'setupRightClickEdit()';
 397                 }
 398                 return $a;
 399         }
 400
 401         /**
 402          * URL to the logo
 403          */
 404         function getLogo() {
 405                 global $wgLogo;
 406                 return $wgLogo;
 407         }
 408
 409         /**
 410          * This will be called immediately after the <body> tag.  Split into
 411          * two functions to make it easier to subclass.
 412          */
 413         function beforeContent() {
 414                 return $this->doBeforeContent();
 415         }
 416
 417         function doBeforeContent() {
 418                 global $wgOut, $wgTitle, $wgContLang;
 419                 $fname = 'Skin::doBeforeContent';
 420                 wfProfileIn( $fname );
 421
 422                 $s = '';
 423                 $qb = $this->qbSetting();
 424
 425                 if( $langlinks = $this->otherLanguages() ) {
 426                         $rows = 2;
 427                         $borderhack = '';
 428                 } else {
 429                         $rows = 1;
 430                         $langlinks = false;
 431                         $borderhack = 'class="top"';
 432                 }
 433
 434                 $s .= "\n<div id='content'>\n<div id='topbar'>\n" .
 435                   "<table border='0' cellspacing='0' width='98%'>\n<tr>\n";
 436
 437                 $shove = ($qb != 0);
 438                 $left = ($qb == 1 || $qb == 3);
 439                 if($wgContLang->isRTL()) $left = !$left;
 440
 441                 if ( !$shove ) {
 442                         $s .= "<td class='top' align='left' valign='top' rowspan='{$rows}'>\n" .
 443                           $this->logoText() . '</td>';
 444                 } elseif( $left ) {
 445                         $s .= $this->getQuickbarCompensator( $rows );
 446                 }
 447                 $l = $wgContLang->isRTL() ? 'right' : 'left';
 448                 $s .= "<td {$borderhack} align='$l' valign='top'>\n";
 449
 450                 $s .= $this->topLinks() ;
 451                 $s .= "<p class='subtitle'>" . $this->pageTitleLinks() . "</p>\n";
 452
 453                 $r = $wgContLang->isRTL() ? "left" : "right";
 454                 $s .= "</td>\n<td {$borderhack} valign='top' align='$r' nowrap='nowrap'>";
 455                 $s .= $this->nameAndLogin();
 456                 $s .= "\n<br />" . $this->searchForm() . "</td>";
 457
 458                 if ( $langlinks ) {
 459                         $s .= "</tr>\n<tr>\n<td class='top' colspan=\"2\">$langlinks</td>\n";
 460                 }
 461
 462                 if ( $shove && !$left ) { # Right
 463                         $s .= $this->getQuickbarCompensator( $rows );
 464                 }
 465                 $s .= "</tr>\n</table>\n</div>\n";
 466                 $s .= "\n<div id='article'>\n";
 467
 468                 $notice = wfGetSiteNotice();
 469                 if( $notice ) {
 470                         $s .= "\n<div id='siteNotice'>$notice</div>\n";
 471                 }
 472                 $s .= $this->pageTitle();
 473                 $s .= $this->pageSubtitle() ;
 474                 $s .= $this->getCategories();
 475                 wfProfileOut( $fname );
 476                 return $s;
 477         }
 478
 479
 480         function getCategoryLinks () {
 481                 global $wgOut, $wgTitle, $wgUseCategoryBrowser;
 482                 global $wgContLang;
 483
 484                 if( count( $wgOut->mCategoryLinks ) == 0 ) return '';
 485
 486                 // Use Unicode bidi embedding override characters,
 487                 // to make sure links don't smash each other up in ugly ways.
 488                 $dir = $wgContLang->isRTL() ? 'rtl' : 'ltr';
 489                 $embed = "<span dir='$dir'>";
 490                 $pop = '</span>';
 491                 $t = $embed . implode ( "$pop | $embed" , $wgOut->mCategoryLinks ) . $pop;
 492
 493                 $msg = count( $wgOut->mCategoryLinks ) === 1 ? 'categories1' : 'categories';
 494                 $s = $this->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL, 'Categories' ),
 495                         wfMsg( $msg ), 'article=' . urlencode( $wgTitle->getPrefixedDBkey() ) )
 496                         . ': ' . $t;
 497
 498                 # optional 'dmoz-like' category browser. Will be shown under the list
 499                 # of categories an article belong to
 500                 if($wgUseCategoryBrowser) {
 501                         $s .= '<br /><hr />';
 502
 503                         # get a big array of the parents tree
 504                         $parenttree = $wgTitle->getParentCategoryTree();
 505                         # Skin object passed by reference cause it can not be
 506                         # accessed under the method subfunction drawCategoryBrowser
 507                         $tempout = explode("\n", Skin::drawCategoryBrowser($parenttree, $this) );
 508                         # Clean out bogus first entry and sort them
 509                         unset($tempout[0]);
 510                         asort($tempout);
 511                         # Output one per line
 512                         $s .= implode("<br />\n", $tempout);
 513                 }
 514
 515                 return $s;
 516         }
 517
 518         /** Render the array as a serie of links.
 519          * @param array $tree Categories tree returned by Title::getParentCategoryTree
 520          * @param object &skin Skin passed by reference
 521          * @return string separated by &gt;, terminate with "\n"
 522          */
 523         function drawCategoryBrowser($tree, &$skin) {
 524                 $return = '';
 525                 foreach ($tree as $element => $parent) {
 526                         if (empty($parent)) {
 527                                 # element start a new list
 528                                 $return .= "\n";
 529                         } else {
 530                                 # grab the others elements
 531                                 $return .= Skin::drawCategoryBrowser($parent, $skin) . ' &gt; ';
 532                         }
 533                         # add our current element to the list
 534                         $eltitle = Title::NewFromText($element);
 535                         $return .=  $skin->makeLinkObj( $eltitle, $eltitle->getText() ) ;
 536                 }
 537                 return $return;
 538         }
 539
 540         function getCategories() {
 541                 $catlinks=$this->getCategoryLinks();
 542                 if(!empty($catlinks)) {
 543                         return "<p class='catlinks'>{$catlinks}</p>";
 544                 }
 545         }
 546
 547         function getQuickbarCompensator( $rows = 1 ) {
 548                 return "<td width='152' rowspan='{$rows}'>&nbsp;</td>";
 549         }
 550
 551         /**
 552          * This gets called immediately before the </body> tag.
 553          * @return string HTML to be put after </body> ???
 554          */
 555         function afterContent() {
 556                 $printfooter = "<div class=\"printfooter\">\n" . $this->printFooter() . "</div>\n";
 557                 return $printfooter . $this->doAfterContent();
 558         }
 559
 560         /** @return string Retrievied from HTML text */
 561         function printSource() {
 562                 global $wgTitle;
 563                 $url = htmlspecialchars( $wgTitle->getFullURL() );
 564                 return wfMsg( 'retrievedfrom', '<a href="'.$url.'">'.$url.'</a>' );
 565         }
 566
 567         function printFooter() {
 568                 return "<p>" .  $this->printSource() .
 569                         "</p>\n\n<p>" . $this->pageStats() . "</p>\n";
 570         }
 571
 572         /** overloaded by derived classes */
 573         function doAfterContent() { }
 574
 575         function pageTitleLinks() {
 576                 global $wgOut, $wgTitle, $wgUser, $wgContLang, $wgRequest;
 577
 578                 extract( $wgRequest->getValues( 'oldid', 'diff' ) );
 579                 $action = $wgRequest->getText( 'action' );
 580
 581                 $s = $this->printableLink();
 582                 $disclaimer = $this->disclaimerLink(); # may be empty
 583                 if( $disclaimer ) {
 584                         $s .= ' | ' . $disclaimer;
 585                 }
 586                 $privacy = $this->privacyLink(); # may be empty too
 587                 if( $privacy ) {
 588                         $s .= ' | ' . $privacy;
 589                 }
 590
 591                 if ( $wgOut->isArticleRelated() ) {
 592                         if ( $wgTitle->getNamespace() == NS_IMAGE ) {
 593                                 $name = $wgTitle->getDBkey();
 594                                 $image = new Image( $wgTitle );
 595                                 if( $image->exists() ) {
 596                                         $link = htmlspecialchars( $image->getURL() );
 597                                         $style = $this->getInternalLinkAttributes( $link, $name );
 598                                         $s .= " | <a href=\"{$link}\"{$style}>{$name}</a>";
 599                                 }
 600                         }
 601                 }
 602                 if ( 'history' == $action || isset( $diff ) || isset( $oldid ) ) {
 603                         $s .= ' | ' . $this->makeKnownLinkObj( $wgTitle,
 604                                         wfMsg( 'currentrev' ) );
 605                 }
 606
 607                 if ( $wgUser->getNewtalk() ) {
 608                         # do not show "You have new messages" text when we are viewing our
 609                         # own talk page
 610                         if( !$wgTitle->equals( $wgUser->getTalkPage() ) ) {
 611                                 $tl = $this->makeKnownLinkObj( $wgUser->getTalkPage(), wfMsgHtml( 'newmessageslink' ) );
 612                                 $dl = $this->makeKnownLinkObj( $wgUser->getTalkPage(), wfMsgHtml( 'newmessagesdifflink' ), 'diff=cur' );
 613                                 $s.= ' | <strong>'. wfMsg( 'youhavenewmessages', $tl, $dl ) . '</strong>';
 614                                 # disable caching
 615                                 $wgOut->setSquidMaxage(0);
 616                                 $wgOut->enableClientCache(false);
 617                         }
 618                 }
 619
 620                 $undelete = $this->getUndeleteLink();
 621                 if( !empty( $undelete ) ) {
 622                         $s .= ' | '.$undelete;
 623                 }
 624                 return $s;
 625         }
 626
 627         function getUndeleteLink() {
 628                 global $wgUser, $wgTitle, $wgContLang, $action;
 629                 if(     $wgUser->isAllowed( 'deletedhistory' ) &&
 630                         (($wgTitle->getArticleId() == 0) || ($action == "history")) &&
 631                         ($n = $wgTitle->isDeleted() ) )
 632                 {
 633                         if ( $wgUser->isAllowed( 'delete' ) ) {
 634                                 $msg = 'thisisdeleted';
 635                         } else {
 636                                 $msg = 'viewdeleted';
 637                         }
 638                         return wfMsg( $msg,
 639                                 $this->makeKnownLink(
 640                                         $wgContLang->SpecialPage( 'Undelete/' . $wgTitle->getPrefixedDBkey() ),
 641                                         wfMsg( 'restorelink' . ($n == 1 ? '1' : ''), $n ) ) );
 642                 }
 643                 return '';
 644         }
 645
 646         function printableLink() {
 647                 global $wgOut, $wgFeedClasses, $wgRequest;
 648
 649                 $baseurl = $_SERVER['REQUEST_URI'];
 650                 if( strpos( '?', $baseurl ) == false ) {
 651                         $baseurl .= '?';
 652                 } else {
 653                         $baseurl .= '&';
 654                 }
 655                 $baseurl = htmlspecialchars( $baseurl );
 656                 $printurl = $wgRequest->escapeAppendQuery( 'printable=yes' );
 657
 658                 $s = "<a href=\"$printurl\">" . wfMsg( 'printableversion' ) . '</a>';
 659                 if( $wgOut->isSyndicated() ) {
 660                         foreach( $wgFeedClasses as $format => $class ) {
 661                                 $feedurl = $wgRequest->escapeAppendQuery( "feed=$format" );
 662                                 $s .= " | <a href=\"$feedurl\">{$format}</a>";
 663                         }
 664                 }
 665                 return $s;
 666         }
 667
 668         function pageTitle() {
 669                 global $wgOut, $wgTitle, $wgUser;
 670
 671                 $s = '<h1 class="pagetitle">' . htmlspecialchars( $wgOut->getPageTitle() ) . '</h1>';
 672                 return $s;
 673         }
 674
 675         function pageSubtitle() {
 676                 global $wgOut;
 677
 678                 $sub = $wgOut->getSubtitle();
 679                 if ( '' == $sub ) {
 680                         global $wgExtraSubtitle;
 681                         $sub = wfMsg( 'tagline' ) . $wgExtraSubtitle;
 682                 }
 683                 $subpages = $this->subPageSubtitle();
 684                 $sub .= !empty($subpages)?"</p><p class='subpages'>$subpages":'';
 685                 $s = "<p class='subtitle'>{$sub}</p>\n";
 686                 return $s;
 687         }
 688
 689         function subPageSubtitle() {
 690                 global $wgOut,$wgTitle,$wgNamespacesWithSubpages;
 691                 $subpages = '';
 692                 if($wgOut->isArticle() && !empty($wgNamespacesWithSubpages[$wgTitle->getNamespace()])) {
 693                         $ptext=$wgTitle->getPrefixedText();
 694                         if(preg_match('/\//',$ptext)) {
 695                                 $links = explode('/',$ptext);
 696                                 $c = 0;
 697                                 $growinglink = '';
 698                                 foreach($links as $link) {
 699                                         $c++;
 700                                         if ($c<count($links)) {
 701                                                 $growinglink .= $link;
 702                                                 $getlink = $this->makeLink( $growinglink, $link );
 703                                                 if(preg_match('/class="new"/i',$getlink)) { break; } # this is a hack, but it saves time
 704                                                 if ($c>1) {
 705                                                         $subpages .= ' | ';
 706                                                 } else  {
 707                                                         $subpages .= '&lt; ';
 708                                                 }
 709                                                 $subpages .= $getlink;
 710                                                 $growinglink .= '/';
 711                                         }
 712                                 }
 713                         }
 714                 }
 715                 return $subpages;
 716         }
 717
 718         function nameAndLogin() {
 719                 global $wgUser, $wgTitle, $wgLang, $wgContLang, $wgShowIPinHeader;
 720
 721                 $li = $wgContLang->specialPage( 'Userlogin' );
 722                 $lo = $wgContLang->specialPage( 'Userlogout' );
 723
 724                 $s = '';
 725                 if ( $wgUser->isAnon() ) {
 726                         if( $wgShowIPinHeader && isset( $_COOKIE[ini_get('session.name')] ) ) {
 727                                 $n = wfGetIP();
 728
 729                                 $tl = $this->makeKnownLinkObj( $wgUser->getTalkPage(),
 730                                   $wgLang->getNsText( NS_TALK ) );
 731
 732                                 $s .= $n . ' ('.$tl.')';
 733                         } else {
 734                                 $s .= wfMsg('notloggedin');
 735                         }
 736
 737                         $rt = $wgTitle->getPrefixedURL();
 738                         if ( 0 == strcasecmp( urlencode( $lo ), $rt ) ) {
 739                                 $q = '';
 740                         } else { $q = "returnto={$rt}"; }
 741
 742                         $s .= "\n<br />" . $this->makeKnownLinkObj(
 743                                 Title::makeTitle( NS_SPECIAL, 'Userlogin' ),
 744                                 wfMsg( 'login' ), $q );
 745                 } else {
 746                         $n = $wgUser->getName();
 747                         $rt = $wgTitle->getPrefixedURL();
 748                         $tl = $this->makeKnownLinkObj( $wgUser->getTalkPage(),
 749                           $wgLang->getNsText( NS_TALK ) );
 750
 751                         $tl = " ({$tl})";
 752
 753                         $s .= $this->makeKnownLinkObj( $wgUser->getUserPage(),
 754                           $n ) . "{$tl}<br />" .
 755                           $this->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL, 'Userlogout' ), wfMsg( 'logout' ),
 756                           "returnto={$rt}" ) . ' | ' .
 757                           $this->specialLink( 'preferences' );
 758                 }
 759                 $s .= ' | ' . $this->makeKnownLink( wfMsgForContent( 'helppage' ),
 760                   wfMsg( 'help' ) );
 761
 762                 return $s;
 763         }
 764
 765         function getSearchLink() {
 766                 $searchPage =& Title::makeTitle( NS_SPECIAL, 'Search' );
 767                 return $searchPage->getLocalURL();
 768         }
 769
 770         function escapeSearchLink() {
 771                 return htmlspecialchars( $this->getSearchLink() );
 772         }
 773
 774         function searchForm() {
 775                 global $wgRequest;
 776                 $search = $wgRequest->getText( 'search' );
 777
 778                 $s = '<form name="search" class="inline" method="post" action="'
 779                   . $this->escapeSearchLink() . "\">\n"
 780                   . '<input type="text" name="search" size="19" value="'
 781                   . htmlspecialchars(substr($search,0,256)) . "\" />\n"
 782                   . '<input type="submit" name="go" value="' . wfMsg ('go') . '" />&nbsp;'
 783                   . '<input type="submit" name="fulltext" value="' . wfMsg ('search') . "\" />\n</form>";
 784
 785                 return $s;
 786         }
 787
 788         function topLinks() {
 789                 global $wgOut;
 790                 $sep = " |\n";
 791
 792                 $s = $this->mainPageLink() . $sep
 793                   . $this->specialLink( 'recentchanges' );
 794
 795                 if ( $wgOut->isArticleRelated() ) {
 796                         $s .=  $sep . $this->editThisPage()
 797                           . $sep . $this->historyLink();
 798                 }
 799                 # Many people don't like this dropdown box
 800                 #$s .= $sep . $this->specialPagesList();
 801
 802                 /* show links to different language variants */
 803                 global $wgDisableLangConversion, $wgContLang, $wgTitle;
 804                 $variants = $wgContLang->getVariants();
 805                 if( !$wgDisableLangConversion && sizeof( $variants ) > 1 ) {
 806                         foreach( $variants as $code ) {
 807                                 $varname = $wgContLang->getVariantname( $code );
 808                                 if( $varname == 'disable' )
 809                                         continue;
 810                                 $s .= ' | <a href="' . $wgTitle->getLocalUrl( 'variant=' . $code ) . '">' . $varname . '</a>';
 811                         }
 812                 }
 813
 814                 return $s;
 815         }
 816
 817         function bottomLinks() {
 818                 global $wgOut, $wgUser, $wgTitle, $wgUseTrackbacks;
 819                 $sep = " |\n";
 820
 821                 $s = '';
 822                 if ( $wgOut->isArticleRelated() ) {
 823                         $s .= '<strong>' . $this->editThisPage() . '</strong>';
 824                         if ( $wgUser->isLoggedIn() ) {
 825                                 $s .= $sep . $this->watchThisPage();
 826                         }
 827                         $s .= $sep . $this->talkLink()
 828                           . $sep . $this->historyLink()
 829                           . $sep . $this->whatLinksHere()
 830                           . $sep . $this->watchPageLinksLink();
 831
 832                         if ($wgUseTrackbacks)
 833                                 $s .= $sep . $this->trackbackLink();
 834
 835                         if ( $wgTitle->getNamespace() == NS_USER
 836                             || $wgTitle->getNamespace() == NS_USER_TALK )
 837
 838                         {
 839                                 $id=User::idFromName($wgTitle->getText());
 840                                 $ip=User::isIP($wgTitle->getText());
 841
 842                                 if($id || $ip) { # both anons and non-anons have contri list
 843                                         $s .= $sep . $this->userContribsLink();
 844                                 }
 845                                 if( $this->showEmailUser( $id ) ) {
 846                                         $s .= $sep . $this->emailUserLink();
 847                                 }
 848                         }
 849                         if ( $wgTitle->getArticleId() ) {
 850                                 $s .= "\n<br />";
 851                                 if($wgUser->isAllowed('delete')) { $s .= $this->deleteThisPage(); }
 852                                 if($wgUser->isAllowed('protect')) { $s .= $sep . $this->protectThisPage(); }
 853                                 if($wgUser->isAllowed('move')) { $s .= $sep . $this->moveThisPage(); }
 854                         }
 855                         $s .= "<br />\n" . $this->otherLanguages();
 856                 }
 857                 return $s;
 858         }
 859
 860         function pageStats() {
 861                 global $wgOut, $wgLang, $wgArticle, $wgRequest, $wgUser;
 862                 global $wgDisableCounters, $wgMaxCredits, $wgShowCreditsIfMax, $wgTitle, $wgPageShowWatchingUsers;
 863
 864                 extract( $wgRequest->getValues( 'oldid', 'diff' ) );
 865                 if ( ! $wgOut->isArticle() ) { return ''; }
 866                 if ( isset( $oldid ) || isset( $diff ) ) { return ''; }
 867                 if ( 0 == $wgArticle->getID() ) { return ''; }
 868
 869                 $s = '';
 870                 if ( !$wgDisableCounters ) {
 871                         $count = $wgLang->formatNum( $wgArticle->getCount() );
 872                         if ( $count ) {
 873                                 $s = wfMsg( 'viewcount', $count );
 874                         }
 875                 }
 876
 877                 if (isset($wgMaxCredits) && $wgMaxCredits != 0) {
 878                     require_once('Credits.php');
 879                     $s .= ' ' . getCredits($wgArticle, $wgMaxCredits, $wgShowCreditsIfMax);
 880                 } else {
 881                     $s .= $this->lastModified();
 882                 }
 883
 884                 if ($wgPageShowWatchingUsers && $wgUser->getOption( 'shownumberswatching' )) {
 885                         $dbr =& wfGetDB( DB_SLAVE );
 886                         extract( $dbr->tableNames( 'watchlist' ) );
 887                         $sql = "SELECT COUNT(*) AS n FROM $watchlist
 888                                 WHERE wl_title='" . $dbr->strencode($wgTitle->getDBKey()) .
 889                                 "' AND  wl_namespace=" . $wgTitle->getNamespace() ;
 890                         $res = $dbr->query( $sql, 'Skin::pageStats');
 891                         $x = $dbr->fetchObject( $res );
 892                         $s .= ' ' . wfMsg('number_of_watching_users_pageview', $x->n );
 893                 }
 894
 895                 return $s . ' ' .  $this->getCopyright();
 896         }
 897
 898         function getCopyright() {
 899                 global $wgRightsPage, $wgRightsUrl, $wgRightsText, $wgRequest;
 900
 901
 902                 $oldid = $wgRequest->getVal( 'oldid' );
 903                 $diff = $wgRequest->getVal( 'diff' );
 904
 905                 if ( !is_null( $oldid ) && is_null( $diff ) && wfMsgForContent( 'history_copyright' ) !== '-' ) {
 906                         $msg = 'history_copyright';
 907                 } else {
 908                         $msg = 'copyright';
 909                 }
 910
 911                 $out = '';
 912                 if( $wgRightsPage ) {
 913                         $link = $this->makeKnownLink( $wgRightsPage, $wgRightsText );
 914                 } elseif( $wgRightsUrl ) {
 915                         $link = $this->makeExternalLink( $wgRightsUrl, $wgRightsText );
 916                 } else {
 917                         # Give up now
 918                         return $out;
 919                 }
 920                 $out .= wfMsgForContent( $msg, $link );
 921                 return $out;
 922         }
 923
 924         function getCopyrightIcon() {
 925                 global $wgRightsPage, $wgRightsUrl, $wgRightsText, $wgRightsIcon, $wgCopyrightIcon;
 926                 $out = '';
 927                 if ( isset( $wgCopyrightIcon ) && $wgCopyrightIcon ) {
 928                         $out = $wgCopyrightIcon;
 929                 } else if ( $wgRightsIcon ) {
 930                         $icon = htmlspecialchars( $wgRightsIcon );
 931                         if ( $wgRightsUrl ) {
 932                                 $url = htmlspecialchars( $wgRightsUrl );
 933                                 $out .= '<a href="'.$url.'">';
 934                         }
 935                         $text = htmlspecialchars( $wgRightsText );
 936                         $out .= "<img src=\"$icon\" alt='$text' />";
 937                         if ( $wgRightsUrl ) {
 938                                 $out .= '</a>';
 939                         }
 940                 }
 941                 return $out;
 942         }
 943
 944         function getPoweredBy() {
 945                 global $wgStylePath;
 946                 $url = htmlspecialchars( "$wgStylePath/common/images/poweredby_mediawiki_88x31.png" );
 947                 $img = '<a href="http://www.mediawiki.org/"><img src="'.$url.'" alt="MediaWiki" /></a>';
 948                 return $img;
 949         }
 950
 951         function lastModified() {
 952                 global $wgLang, $wgArticle, $wgLoadBalancer;
 953
 954                 $timestamp = $wgArticle->getTimestamp();
 955                 if ( $timestamp ) {
 956                         $d = $wgLang->timeanddate( $timestamp, true );
 957                         $s = ' ' . wfMsg( 'lastmodified', $d );
 958                 } else {
 959                         $s = '';
 960                 }
 961                 if ( $wgLoadBalancer->getLaggedSlaveMode() ) {
 962                         $s .= ' <strong>' . wfMsg( 'laggedslavemode' ) . '</strong>';
 963                 }
 964                 return $s;
 965         }
 966
 967         function logoText( $align = '' ) {
 968                 if ( '' != $align ) { $a = " align='{$align}'"; }
 969                 else { $a = ''; }
 970
 971                 $mp = wfMsg( 'mainpage' );
 972                 $titleObj = Title::newFromText( $mp );
 973                 if ( is_object( $titleObj ) ) {
 974                         $url = $titleObj->escapeLocalURL();
 975                 } else {
 976                         $url = '';
 977                 }
 978
 979                 $logourl = $this->getLogo();
 980                 $s = "<a href='{$url}'><img{$a} src='{$logourl}' alt='[{$mp}]' /></a>";
 981                 return $s;
 982         }
 983
 984         /**
 985          * show a drop-down box of special pages
 986          * @TODO crash bug913. Need to be rewrote completly.
 987          */
 988         function specialPagesList() {
 989                 global $wgUser, $wgOut, $wgContLang, $wgServer, $wgRedirectScript, $wgAvailableRights;
 990                 require_once('SpecialPage.php');
 991                 $a = array();
 992                 $pages = SpecialPage::getPages();
 993
 994                 // special pages without access restriction
 995                 foreach ( $pages[''] as $name => $page ) {
 996                         $a[$name] = $page->getDescription();
 997                 }
 998
 999                 // Other special pages that are restricted.
1000                 // Copied from SpecialSpecialpages.php
1001                 foreach($wgAvailableRights as $right) {
1002                         if( $wgUser->isAllowed($right) ) {
1003                                 /** Add all pages for this right */
1004                                 if(isset($pages[$right])) {
1005                                         foreach($pages[$right] as $name => $page) {
1006                                         $a[$name] = $page->getDescription();
1007                                         }
1008                                 }
1009                         }
1010                 }
1011
1012                 $go = wfMsg( 'go' );
1013                 $sp = wfMsg( 'specialpages' );
1014                 $spp = $wgContLang->specialPage( 'Specialpages' );
1015
1016                 $s = '<form id="specialpages" method="get" class="inline" ' .
1017                   'action="' . htmlspecialchars( "{$wgServer}{$wgRedirectScript}" ) . "\">\n";
1018                 $s .= "<select name=\"wpDropdown\">\n";
1019                 $s .= "<option value=\"{$spp}\">{$sp}</option>\n";
1020
1021
1022                 foreach ( $a as $name => $desc ) {
1023                         $p = $wgContLang->specialPage( $name );
1024                         $s .= "<option value=\"{$p}\">{$desc}</option>\n";
1025                 }
1026                 $s .= "</select>\n";
1027                 $s .= "<input type='submit' value=\"{$go}\" name='redirect' />\n";
1028                 $s .= "</form>\n";
1029                 return $s;
1030         }
1031
1032         function mainPageLink() {
1033                 $mp = wfMsgForContent( 'mainpage' );
1034                 $mptxt = wfMsg( 'mainpage');
1035                 $s = $this->makeKnownLink( $mp, $mptxt );
1036                 return $s;
1037         }
1038
1039         function copyrightLink() {
1040                 $s = $this->makeKnownLink( wfMsgForContent( 'copyrightpage' ),
1041                   wfMsg( 'copyrightpagename' ) );
1042                 return $s;
1043         }
1044
1045         function privacyLink() {
1046                 $privacy = wfMsg( 'privacy' );
1047                 if ($privacy == '-') {
1048                         return '';
1049                 } else {
1050                         return $this->makeKnownLink( wfMsgForContent( 'privacypage' ), $privacy);
1051                 }
1052         }
1053
1054         function aboutLink() {
1055                 $s = $this->makeKnownLink( wfMsgForContent( 'aboutpage' ),
1056                   wfMsg( 'aboutsite' ) );
1057                 return $s;
1058         }
1059
1060         function disclaimerLink() {
1061                 $disclaimers = wfMsg( 'disclaimers' );
1062                 if ($disclaimers == '-') {
1063                         return '';
1064                 } else {
1065                         return $this->makeKnownLink( wfMsgForContent( 'disclaimerpage' ),
1066                                                      $disclaimers );
1067                 }
1068         }
1069
1070         function editThisPage() {
1071                 global $wgOut, $wgTitle, $wgRequest;
1072
1073                 if ( ! $wgOut->isArticleRelated() ) {
1074                         $s = wfMsg( 'protectedpage' );
1075                 } else {
1076                         if ( $wgTitle->userCanEdit() ) {
1077                                 $t = wfMsg( 'editthispage' );
1078                         } else {
1079                                 $t = wfMsg( 'viewsource' );
1080                         }
1081
1082                         $s = $this->makeKnownLinkObj( $wgTitle, $t, $this->editUrlOptions() );
1083                 }
1084                 return $s;
1085         }
1086
1087         /**
1088          * Return URL options for the 'edit page' link.
1089          * This may include an 'oldid' specifier, if the current page view is such.
1090          *
1091          * @return string
1092          * @access private
1093          */
1094         function editUrlOptions() {
1095                 global $wgArticle;
1096
1097                 if( $this->mRevisionId && ! $wgArticle->isCurrent() ) {
1098                         return "action=edit&oldid=" . intval( $this->mRevisionId );
1099                 } else {
1100                         return "action=edit";
1101                 }
1102         }
1103
1104         function deleteThisPage() {
1105                 global $wgUser, $wgOut, $wgTitle, $wgRequest;
1106
1107                 $diff = $wgRequest->getVal( 'diff' );
1108                 if ( $wgTitle->getArticleId() && ( ! $diff ) && $wgUser->isAllowed('delete') ) {
1109                         $t = wfMsg( 'deletethispage' );
1110
1111                         $s = $this->makeKnownLinkObj( $wgTitle, $t, 'action=delete' );
1112                 } else {
1113                         $s = '';
1114                 }
1115                 return $s;
1116         }
1117
1118         function protectThisPage() {
1119                 global $wgUser, $wgOut, $wgTitle, $wgRequest;
1120
1121                 $diff = $wgRequest->getVal( 'diff' );
1122                 if ( $wgTitle->getArticleId() && ( ! $diff ) && $wgUser->isAllowed('protect') ) {
1123                         if ( $wgTitle->isProtected() ) {
1124                                 $t = wfMsg( 'unprotectthispage' );
1125                                 $q = 'action=unprotect';
1126                         } else {
1127                                 $t = wfMsg( 'protectthispage' );
1128                                 $q = 'action=protect';
1129                         }
1130                         $s = $this->makeKnownLinkObj( $wgTitle, $t, $q );
1131                 } else {
1132                         $s = '';
1133                 }
1134                 return $s;
1135         }
1136
1137         function watchThisPage() {
1138                 global $wgUser, $wgOut, $wgTitle;
1139
1140                 if ( $wgOut->isArticleRelated() ) {
1141                         if ( $wgTitle->userIsWatching() ) {
1142                                 $t = wfMsg( 'unwatchthispage' );
1143                                 $q = 'action=unwatch';
1144                         } else {
1145                                 $t = wfMsg( 'watchthispage' );
1146                                 $q = 'action=watch';
1147                         }
1148                         $s = $this->makeKnownLinkObj( $wgTitle, $t, $q );
1149                 } else {
1150                         $s = wfMsg( 'notanarticle' );
1151                 }
1152                 return $s;
1153         }
1154
1155         function moveThisPage() {
1156                 global $wgTitle;
1157
1158                 if ( $wgTitle->userCanMove() ) {
1159                         return $this->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL, 'Movepage' ),
1160                           wfMsg( 'movethispage' ), 'target=' . $wgTitle->getPrefixedURL() );
1161                 } else {
1162                         // no message if page is protected - would be redundant
1163                         return '';
1164                 }
1165         }
1166
1167         function historyLink() {
1168                 global $wgTitle;
1169
1170                 return $this->makeKnownLinkObj( $wgTitle,
1171                   wfMsg( 'history' ), 'action=history' );
1172         }
1173
1174         function whatLinksHere() {
1175                 global $wgTitle;
1176
1177                 return $this->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL, 'Whatlinkshere' ),
1178                   wfMsg( 'whatlinkshere' ), 'target=' . $wgTitle->getPrefixedURL() );
1179         }
1180
1181         function userContribsLink() {
1182                 global $wgTitle;
1183
1184                 return $this->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL, 'Contributions' ),
1185                   wfMsg( 'contributions' ), 'target=' . $wgTitle->getPartialURL() );
1186         }
1187
1188         function showEmailUser( $id ) {
1189                 global $wgEnableEmail, $wgEnableUserEmail, $wgUser;
1190                 return $wgEnableEmail &&
1191                        $wgEnableUserEmail &&
1192                        $wgUser->isLoggedIn() && # show only to signed in users
1193                        0 != $id; # we can only email to non-anons ..
1194 #                      '' != $id->getEmail() && # who must have an email address stored ..
1195 #                      0 != $id->getEmailauthenticationtimestamp() && # .. which is authenticated
1196 #                      1 != $wgUser->getOption('disablemail'); # and not disabled
1197         }
1198
1199         function emailUserLink() {
1200                 global $wgTitle;
1201
1202                 return $this->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL, 'Emailuser' ),
1203                   wfMsg( 'emailuser' ), 'target=' . $wgTitle->getPartialURL() );
1204         }
1205
1206         function watchPageLinksLink() {
1207                 global $wgOut, $wgTitle;
1208
1209                 if ( ! $wgOut->isArticleRelated() ) {
1210                         return '(' . wfMsg( 'notanarticle' ) . ')';
1211                 } else {
1212                         return $this->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL,
1213                           'Recentchangeslinked' ), wfMsg( 'recentchangeslinked' ),
1214                           'target=' . $wgTitle->getPrefixedURL() );
1215                 }
1216         }
1217
1218         function trackbackLink() {
1219                 global $wgTitle;
1220
1221                 return "<a href=\"" . $wgTitle->trackbackURL() . "\">"
1222                         . wfMsg('trackbacklink') . "</a>";
1223         }
1224
1225         function otherLanguages() {
1226                 global $wgOut, $wgContLang, $wgTitle, $wgHideInterlanguageLinks;
1227
1228                 if ( $wgHideInterlanguageLinks ) {
1229                         return '';
1230                 }
1231
1232                 $a = $wgOut->getLanguageLinks();
1233                 if ( 0 == count( $a ) ) {
1234                         return '';
1235                 }
1236
1237                 $s = wfMsg( 'otherlanguages' ) . ': ';
1238                 $first = true;
1239                 if($wgContLang->isRTL()) $s .= '<span dir="LTR">';
1240                 foreach( $a as $l ) {
1241                         if ( ! $first ) { $s .= ' | '; }
1242                         $first = false;
1243
1244                         $nt = Title::newFromText( $l );
1245                         $url = $nt->escapeFullURL();
1246                         $text = $wgContLang->getLanguageName( $nt->getInterwiki() );
1247
1248                         if ( '' == $text ) { $text = $l; }
1249                         $style = $this->getExternalLinkAttributes( $l, $text );
1250                         $s .= "<a href=\"{$url}\"{$style}>{$text}</a>";
1251                 }
1252                 if($wgContLang->isRTL()) $s .= '</span>';
1253                 return $s;
1254         }
1255
1256         function bugReportsLink() {
1257                 $s = $this->makeKnownLink( wfMsgForContent( 'bugreportspage' ),
1258                   wfMsg( 'bugreports' ) );
1259                 return $s;
1260         }
1261
1262         function dateLink() {
1263                 $t1 = Title::newFromText( gmdate( 'F j' ) );
1264                 $t2 = Title::newFromText( gmdate( 'Y' ) );
1265
1266                 $id = $t1->getArticleID();
1267
1268                 if ( 0 == $id ) {
1269                         $s = $this->makeBrokenLink( $t1->getText() );
1270                 } else {
1271                         $s = $this->makeKnownLink( $t1->getText() );
1272                 }
1273                 $s .= ', ';
1274
1275                 $id = $t2->getArticleID();
1276
1277                 if ( 0 == $id ) {
1278                         $s .= $this->makeBrokenLink( $t2->getText() );
1279                 } else {
1280                         $s .= $this->makeKnownLink( $t2->getText() );
1281                 }
1282                 return $s;
1283         }
1284
1285         function talkLink() {
1286                 global $wgTitle;
1287
1288                 if ( NS_SPECIAL == $wgTitle->getNamespace() ) {
1289                         # No discussion links for special pages
1290                         return '';
1291                 }
1292
1293                 if( $wgTitle->isTalkPage() ) {
1294                         $link = $wgTitle->getSubjectPage();
1295                         switch( $link->getNamespace() ) {
1296                         case NS_MAIN:
1297                                 $text = wfMsg('articlepage');
1298                                 break;
1299                         case NS_USER:
1300                                 $text = wfMsg('userpage');
1301                                 break;
1302                         case NS_PROJECT:
1303                                 $text = wfMsg('wikipediapage');
1304                                 break;
1305                         case NS_IMAGE:
1306                                 $text = wfMsg('imagepage');
1307                                 break;
1308                         default:
1309                                 $text= wfMsg('articlepage');
1310                         }
1311                 } else {
1312                         $link = $wgTitle->getTalkPage();
1313                         $text = wfMsg( 'talkpage' );
1314                 }
1315
1316                 $s = $this->makeLinkObj( $link, $text );
1317
1318                 return $s;
1319         }
1320
1321         function commentLink() {
1322                 global $wgContLang, $wgTitle;
1323
1324                 if ( $wgTitle->getNamespace() == NS_SPECIAL ) {
1325                         return '';
1326                 }
1327                 return $this->makeKnownLinkObj( $wgTitle->getTalkPage(),
1328                         wfMsg( 'postcomment' ), 'action=edit&section=new' );
1329         }
1330
1331         /* these are used extensively in SkinPHPTal, but also some other places */
1332         /*static*/ function makeSpecialUrl( $name, $urlaction='' ) {
1333                 $title = Title::makeTitle( NS_SPECIAL, $name );
1334                 return $title->getLocalURL( $urlaction );
1335         }
1336
1337         /*static*/ function makeI18nUrl ( $name, $urlaction='' ) {
1338                 $title = Title::newFromText( wfMsgForContent($name) );
1339                 $this->checkTitle($title, $name);
1340                 return $title->getLocalURL( $urlaction );
1341         }
1342
1343         /*static*/ function makeUrl ( $name, $urlaction='' ) {
1344                 $title = Title::newFromText( $name );
1345                 $this->checkTitle($title, $name);
1346                 return $title->getLocalURL( $urlaction );
1347         }
1348
1349         # If url string starts with http, consider as external URL, else
1350         # internal
1351         /*static*/ function makeInternalOrExternalUrl( $name ) {
1352                 if ( preg_match( '/^(?:' . wfUrlProtocols() . ')/', $name ) ) {
1353                         return $name;
1354                 } else {
1355                         return $this->makeUrl( $name );
1356                 }
1357         }
1358
1359         # this can be passed the NS number as defined in Language.php
1360         /*static*/ function makeNSUrl( $name, $urlaction='', $namespace=NS_MAIN ) {
1361                 $title = Title::makeTitleSafe( $namespace, $name );
1362                 $this->checkTitle($title, $name);
1363                 return $title->getLocalURL( $urlaction );
1364         }
1365
1366         /* these return an array with the 'href' and boolean 'exists' */
1367         /*static*/ function makeUrlDetails ( $name, $urlaction='' ) {
1368                 $title = Title::newFromText( $name );
1369                 $this->checkTitle($title, $name);
1370                 return array(
1371                         'href' => $title->getLocalURL( $urlaction ),
1372                         'exists' => $title->getArticleID() != 0?true:false
1373                 );
1374         }
1375
1376         /**
1377          * Make URL details where the article exists (or at least it's convenient to think so)
1378          */
1379         function makeKnownUrlDetails( $name, $urlaction='' ) {
1380                 $title = Title::newFromText( $name );
1381                 $this->checkTitle($title, $name);
1382                 return array(
1383                         'href' => $title->getLocalURL( $urlaction ),
1384                         'exists' => true
1385                 );
1386         }
1387
1388         # make sure we have some title to operate on
1389         /*static*/ function checkTitle ( &$title, &$name ) {
1390                 if(!is_object($title)) {
1391                         $title = Title::newFromText( $name );
1392                         if(!is_object($title)) {
1393                                 $title = Title::newFromText( '--error: link target missing--' );
1394                         }
1395                 }
1396         }
1397
1398         /**
1399          * Build an array that represents the sidebar(s), the navigation bar among them
1400          *
1401          * @return array
1402          * @access private
1403          */
1404         function buildSidebar() {
1405                 global $wgTitle, $action, $wgDBname, $parserMemc;
1406                 global $wgLanguageCode, $wgContLanguageCode;
1407
1408                 $fname = 'SkinTemplate::buildSidebar';
1409
1410                 wfProfileIn( $fname );
1411
1412                 if ($wgLanguageCode == $wgContLanguageCode)
1413                         $cacheSidebar = true;
1414                 else
1415                         $cacheSidebar = false;
1416
1417                 if ($cacheSidebar) {
1418                         $cachedsidebar=$parserMemc->get("{$wgDBname}:sidebar");
1419                         if ($cachedsidebar!="") {
1420                                 wfProfileOut($fname);
1421                                 return $cachedsidebar;
1422                         }
1423                 }
1424
1425                 $bar = array();
1426                 $lines = explode( "\n", wfMsgForContent( 'sidebar' ) );
1427                 foreach ($lines as $line) {
1428                         if (strpos($line, '*') !== 0)
1429                                 continue;
1430                         if (strpos($line, '**') !== 0) {
1431                                 $line = trim($line, '* ');
1432                                 $heading = $line;
1433                         } else {
1434                                 if (strpos($line, '|') !== false) { // sanity check
1435                                         $line = explode( '|' , trim($line, '* '), 2 );
1436                                         $link = wfMsgForContent( $line[0] );
1437                                         if ($link == '-')
1438                                                 continue;
1439                                         if (wfEmptyMsg($line[1], $text = wfMsg($line[1])))
1440                                                 $text = $line[1];
1441                                         if (wfEmptyMsg($line[0], $link))
1442                                                 $link = $line[0];
1443                                         $href = $this->makeInternalOrExternalUrl( $link );
1444                                         $bar[$heading][] = array(
1445                                                 'text' => $text,
1446                                                 'href' => $href,
1447                                                 'id' => 'n-' . strtr($line[1], ' ', '-'),
1448                                                 'active' => false
1449                                         );
1450                                 } else { continue; }
1451                         }
1452                 }
1453                 if ($cacheSidebar)
1454                         $cachednotice=$parserMemc->set("{$wgDBname}:sidebar",$bar,86400);
1455                 wfProfileOut( $fname );
1456                 return $bar;
1457         }
1458 }
1459 ?>