includes/SkinTemplate.php

   1 <?php
   2 /**
   3  * Base class for template-based skins
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  * http://www.gnu.org/copyleft/gpl.html
  19  *
  20  * @file
  21  */
  22
  23 if ( ! defined( 'MEDIAWIKI' ) )
  24         die( 1 );
  25
  26 /**
  27  * Wrapper object for MediaWiki's localization functions,
  28  * to be passed to the template engine.
  29  *
  30  * @private
  31  * @ingroup Skins
  32  */
  33 class MediaWiki_I18N {
  34         var $_context = array();
  35
  36         function set( $varName, $value ) {
  37                 $this->_context[$varName] = $value;
  38         }
  39
  40         function translate( $value ) {
  41                 wfProfileIn( __METHOD__ );
  42
  43                 // Hack for i18n:attributes in PHPTAL 1.0.0 dev version as of 2004-10-23
  44                 $value = preg_replace( '/^string:/', '', $value );
  45
  46                 $value = wfMsg( $value );
  47                 // interpolate variables
  48                 $m = array();
  49                 while( preg_match( '/\$([0-9]*?)/sm', $value, $m ) ) {
  50                         list( $src, $var ) = $m;
  51                         wfSuppressWarnings();
  52                         $varValue = $this->_context[$var];
  53                         wfRestoreWarnings();
  54                         $value = str_replace( $src, $varValue, $value );
  55                 }
  56                 wfProfileOut( __METHOD__ );
  57                 return $value;
  58         }
  59 }
  60
  61 /**
  62  * Template-filler skin base class
  63  * Formerly generic PHPTal (http://phptal.sourceforge.net/) skin
  64  * Based on Brion's smarty skin
  65  * @copyright Copyright © Gabriel Wicke -- http://www.aulinx.de/
  66  *
  67  * @todo Needs some serious refactoring into functions that correspond
  68  * to the computations individual esi snippets need. Most importantly no body
  69  * parsing for most of those of course.
  70  *
  71  * @ingroup Skins
  72  */
  73 class SkinTemplate extends Skin {
  74         /**#@+
  75          * @private
  76          */
  77
  78         /**
  79          * Name of our skin, it probably needs to be all lower case.  Child classes
  80          * should override the default.
  81          */
  82         var $skinname = 'monobook';
  83
  84         /**
  85          * Stylesheets set to use.  Subdirectory in skins/ where various stylesheets
  86          * are located.  Child classes should override the default.
  87          */
  88         var $stylename = 'monobook';
  89
  90         /**
  91          * For QuickTemplate, the name of the subclass which will actually fill the
  92          * template.  Child classes should override the default.
  93          */
  94         var $template = 'QuickTemplate';
  95
  96         /**
  97          * Whether this skin use OutputPage::headElement() to generate the <head>
  98          * tag
  99          */
 100         var $useHeadElement = false;
 101
 102         /**#@-*/
 103
 104         /**
 105          * Add specific styles for this skin
 106          *
 107          * @param $out OutputPage
 108          */
 109         function setupSkinUserCss( OutputPage $out ){
 110                 $out->addModuleStyles( array( 'mediawiki.legacy.shared', 'mediawiki.legacy.commonPrint' ) );
 111         }
 112
 113         /**
 114          * Create the template engine object; we feed it a bunch of data
 115          * and eventually it spits out some HTML. Should have interface
 116          * roughly equivalent to PHPTAL 0.7.
 117          *
 118          * @param $classname string (or file)
 119          * @param $repository string: subdirectory where we keep template files
 120          * @param $cache_dir string
 121          * @return object
 122          * @private
 123          */
 124         function setupTemplate( $classname, $repository = false, $cache_dir = false ) {
 125                 return new $classname();
 126         }
 127
 128         /**
 129          * initialize various variables and generate the template
 130          *
 131          * @param $out OutputPage
 132          */
 133         function outputPage( OutputPage $out ) {
 134                 global $wgArticle, $wgUser, $wgLang, $wgContLang;
 135                 global $wgScript, $wgStylePath, $wgLanguageCode;
 136                 global $wgMimeType, $wgJsMimeType, $wgOutputEncoding, $wgRequest;
 137                 global $wgXhtmlDefaultNamespace, $wgXhtmlNamespaces, $wgHtml5Version;
 138                 global $wgDisableCounters, $wgLogo, $wgHideInterlanguageLinks;
 139                 global $wgMaxCredits, $wgShowCreditsIfMax;
 140                 global $wgPageShowWatchingUsers;
 141                 global $wgUseTrackbacks, $wgUseSiteJs, $wgDebugComments;
 142                 global $wgArticlePath, $wgScriptPath, $wgServer, $wgProfiler;
 143
 144                 wfProfileIn( __METHOD__ );
 145                 if ( is_object( $wgProfiler ) ) {
 146                         $wgProfiler->setTemplated( true );
 147                 }
 148
 149                 $oldid = $wgRequest->getVal( 'oldid' );
 150                 $diff = $wgRequest->getVal( 'diff' );
 151                 $action = $wgRequest->getVal( 'action', 'view' );
 152
 153                 wfProfileIn( __METHOD__ . '-init' );
 154                 $this->initPage( $out );
 155
 156                 $this->setMembers();
 157                 $tpl = $this->setupTemplate( $this->template, 'skins' );
 158
 159                 #if ( $wgUseDatabaseMessages ) { // uncomment this to fall back to GetText
 160                 $tpl->setTranslator( new MediaWiki_I18N() );
 161                 #}
 162                 wfProfileOut( __METHOD__ . '-init' );
 163
 164                 wfProfileIn( __METHOD__ . '-stuff' );
 165                 $this->thispage = $this->mTitle->getPrefixedDBkey();
 166                 $this->thisurl = $this->mTitle->getPrefixedURL();
 167                 $query = array();
 168                 if ( !$wgRequest->wasPosted() ) {
 169                         $query = $wgRequest->getValues();
 170                         unset( $query['title'] );
 171                         unset( $query['returnto'] );
 172                         unset( $query['returntoquery'] );
 173                 }
 174                 $this->thisquery = wfUrlencode( wfArrayToCGI( $query ) );
 175                 $this->loggedin = $wgUser->isLoggedIn();
 176                 $this->iscontent = ( $this->mTitle->getNamespace() != NS_SPECIAL );
 177                 $this->iseditable = ( $this->iscontent and !( $action == 'edit' or $action == 'submit' ) );
 178                 $this->username = $wgUser->getName();
 179
 180                 if ( $wgUser->isLoggedIn() || $this->showIPinHeader() ) {
 181                         $this->userpageUrlDetails = self::makeUrlDetails( $this->userpage );
 182                 } else {
 183                         # This won't be used in the standard skins, but we define it to preserve the interface
 184                         # To save time, we check for existence
 185                         $this->userpageUrlDetails = self::makeKnownUrlDetails( $this->userpage );
 186                 }
 187
 188                 $this->titletxt = $this->mTitle->getPrefixedText();
 189                 wfProfileOut( __METHOD__ . '-stuff' );
 190
 191                 wfProfileIn( __METHOD__ . '-stuff-head' );
 192                 if ( $this->useHeadElement ) {
 193                         $pagecss = $this->setupPageCss();
 194                         if( $pagecss )
 195                                 $out->addInlineStyle( $pagecss );
 196                 } else {
 197                         $this->setupUserCss( $out );
 198
 199                         $tpl->set( 'pagecss', $this->setupPageCss() );
 200                         $tpl->setRef( 'usercss', $this->usercss );
 201
 202                         $this->userjs = $this->userjsprev = false;
 203                         $this->setupUserJs( $out->isUserJsAllowed() );
 204                         $tpl->setRef( 'userjs', $this->userjs );
 205                         $tpl->setRef( 'userjsprev', $this->userjsprev );
 206
 207                         if( $wgUseSiteJs ) {
 208                                 $jsCache = $this->loggedin ? '&smaxage=0' : '';
 209                                 $tpl->set( 'jsvarurl',
 210                                                   self::makeUrl( '-',
 211                                                                                 "action=raw$jsCache&gen=js&useskin=" .
 212                                                                                 urlencode( $this->getSkinName() ) ) );
 213                         } else {
 214                                 $tpl->set( 'jsvarurl', false );
 215                         }
 216
 217                         $tpl->setRef( 'xhtmldefaultnamespace', $wgXhtmlDefaultNamespace );
 218                         $tpl->set( 'xhtmlnamespaces', $wgXhtmlNamespaces );
 219                         $tpl->set( 'html5version', $wgHtml5Version );
 220                         $tpl->set( 'headlinks', $out->getHeadLinks( $this->getSkinName() ) );
 221                         $tpl->set( 'csslinks', $out->buildCssLinks() );
 222
 223                         if( $wgUseTrackbacks && $out->isArticleRelated() ) {
 224                                 $tpl->set( 'trackbackhtml', $out->getTitle()->trackbackRDF() );
 225                         } else {
 226                                 $tpl->set( 'trackbackhtml', null );
 227                         }
 228                 }
 229                 wfProfileOut( __METHOD__ . '-stuff-head' );
 230
 231                 wfProfileIn( __METHOD__ . '-stuff2' );
 232                 $tpl->set( 'title', $out->getPageTitle() );
 233                 $tpl->set( 'pagetitle', $out->getHTMLTitle() );
 234                 $tpl->set( 'displaytitle', $out->mPageLinkTitle );
 235                 $tpl->set( 'pageclass', $this->getPageClasses( $this->mTitle ) );
 236                 $tpl->set( 'skinnameclass', ( 'skin-' . Sanitizer::escapeClass( $this->getSkinName() ) ) );
 237
 238                 $nsname = MWNamespace::exists( $this->mTitle->getNamespace() ) ?
 239                                         MWNamespace::getCanonicalName( $this->mTitle->getNamespace() ) :
 240                                         $this->mTitle->getNsText();
 241
 242                 $tpl->set( 'nscanonical', $nsname );
 243                 $tpl->set( 'nsnumber', $this->mTitle->getNamespace() );
 244                 $tpl->set( 'titleprefixeddbkey', $this->mTitle->getPrefixedDBKey() );
 245                 $tpl->set( 'titletext', $this->mTitle->getText() );
 246                 $tpl->set( 'articleid', $this->mTitle->getArticleId() );
 247                 $tpl->set( 'currevisionid', isset( $wgArticle ) ? $wgArticle->getLatest() : 0 );
 248
 249                 $tpl->set( 'isarticle', $out->isArticle() );
 250
 251                 $tpl->setRef( 'thispage', $this->thispage );
 252                 $subpagestr = $this->subPageSubtitle();
 253                 $tpl->set(
 254                         'subtitle', !empty( $subpagestr ) ?
 255                         '<span class="subpages">'.$subpagestr.'</span>'.$out->getSubtitle() :
 256                         $out->getSubtitle()
 257                 );
 258                 $undelete = $this->getUndeleteLink();
 259                 $tpl->set(
 260                         'undelete', !empty( $undelete ) ?
 261                         '<span class="subpages">'.$undelete.'</span>' :
 262                         ''
 263                 );
 264
 265                 $tpl->set( 'catlinks', $this->getCategories() );
 266                 if( $out->isSyndicated() ) {
 267                         $feeds = array();
 268                         foreach( $out->getSyndicationLinks() as $format => $link ) {
 269                                 $feeds[$format] = array(
 270                                         'text' => wfMsg( "feed-$format" ),
 271                                         'href' => $link
 272                                 );
 273                         }
 274                         $tpl->setRef( 'feeds', $feeds );
 275                 } else {
 276                         $tpl->set( 'feeds', false );
 277                 }
 278
 279                 $tpl->setRef( 'mimetype', $wgMimeType );
 280                 $tpl->setRef( 'jsmimetype', $wgJsMimeType );
 281                 $tpl->setRef( 'charset', $wgOutputEncoding );
 282                 $tpl->setRef( 'wgScript', $wgScript );
 283                 $tpl->setRef( 'skinname', $this->skinname );
 284                 $tpl->set( 'skinclass', get_class( $this ) );
 285                 $tpl->setRef( 'stylename', $this->stylename );
 286                 $tpl->set( 'printable', $out->isPrintable() );
 287                 $tpl->set( 'handheld', $wgRequest->getBool( 'handheld' ) );
 288                 $tpl->setRef( 'loggedin', $this->loggedin );
 289                 $tpl->set( 'notspecialpage', $this->mTitle->getNamespace() != NS_SPECIAL );
 290                 /* XXX currently unused, might get useful later
 291                 $tpl->set( "editable", ($this->mTitle->getNamespace() != NS_SPECIAL ) );
 292                 $tpl->set( "exists", $this->mTitle->getArticleID() != 0 );
 293                 $tpl->set( "watch", $this->mTitle->userIsWatching() ? "unwatch" : "watch" );
 294                 $tpl->set( "protect", count($this->mTitle->isProtected()) ? "unprotect" : "protect" );
 295                 $tpl->set( "helppage", wfMsg('helppage'));
 296                 */
 297                 $tpl->set( 'searchaction', $this->escapeSearchLink() );
 298                 $tpl->set( 'searchtitle', SpecialPage::getTitleFor( 'Search' )->getPrefixedDBKey() );
 299                 $tpl->set( 'search', trim( $wgRequest->getVal( 'search' ) ) );
 300                 $tpl->setRef( 'stylepath', $wgStylePath );
 301                 $tpl->setRef( 'articlepath', $wgArticlePath );
 302                 $tpl->setRef( 'scriptpath', $wgScriptPath );
 303                 $tpl->setRef( 'serverurl', $wgServer );
 304                 $tpl->setRef( 'logopath', $wgLogo );
 305
 306                 $lang = wfUILang();
 307                 $tpl->set( 'lang', $lang->getCode() );
 308                 $tpl->set( 'dir', $lang->getDir() );
 309                 $tpl->set( 'rtl', $lang->isRTL() );
 310
 311                 $tpl->set( 'capitalizeallnouns', $wgLang->capitalizeAllNouns() ? ' capitalize-all-nouns' : '' );
 312                 $tpl->set( 'showjumplinks', $wgUser->getOption( 'showjumplinks' ) );
 313                 $tpl->set( 'username', $wgUser->isAnon() ? null : $this->username );
 314                 $tpl->setRef( 'userpage', $this->userpage );
 315                 $tpl->setRef( 'userpageurl', $this->userpageUrlDetails['href'] );
 316                 $tpl->set( 'userlang', $wgLang->getCode() );
 317
 318                 // Users can have their language set differently than the
 319                 // content of the wiki. For these users, tell the web browser
 320                 // that interface elements are in a different language.
 321                 $tpl->set( 'userlangattributes', '' );
 322                 $tpl->set( 'specialpageattributes', '' );
 323
 324                 $lang = $wgLang->getCode();
 325                 $dir  = $wgLang->getDir();
 326                 if ( $lang !== $wgContLang->getCode() || $dir !== $wgContLang->getDir() ) {
 327                         $attrs = " lang='$lang' dir='$dir'";
 328
 329                         $tpl->set( 'userlangattributes', $attrs );
 330
 331                         // The content of SpecialPages should be presented in the
 332                         // user's language. Content of regular pages should not be touched.
 333                         if( $this->mTitle->isSpecialPage() ) {
 334                                 $tpl->set( 'specialpageattributes', $attrs );
 335                         }
 336                 }
 337
 338                 $newtalks = $this->getNewtalks();
 339
 340                 wfProfileOut( __METHOD__ . '-stuff2' );
 341
 342                 wfProfileIn( __METHOD__ . '-stuff3' );
 343                 $tpl->setRef( 'newtalk', $newtalks );
 344                 $tpl->setRef( 'skin', $this );
 345                 $tpl->set( 'logo', $this->logoText() );
 346                 if ( $out->isArticle() and ( !isset( $oldid ) or isset( $diff ) ) and
 347                         $wgArticle and 0 != $wgArticle->getID() ){
 348                         if ( !$wgDisableCounters ) {
 349                                 $viewcount = $wgLang->formatNum( $wgArticle->getCount() );
 350                                 if ( $viewcount ) {
 351                                         $tpl->set( 'viewcount', wfMsgExt( 'viewcount', array( 'parseinline' ), $viewcount ) );
 352                                 } else {
 353                                         $tpl->set( 'viewcount', false );
 354                                 }
 355                         } else {
 356                                 $tpl->set( 'viewcount', false );
 357                         }
 358
 359                         if( $wgPageShowWatchingUsers ) {
 360                                 $dbr = wfGetDB( DB_SLAVE );
 361                                 $watchlist = $dbr->tableName( 'watchlist' );
 362                                 $res = $dbr->select( 'watchlist',
 363                                         array( 'COUNT(*) AS n' ),
 364                                         array( 'wl_title' => $dbr->strencode( $this->mTitle->getDBkey() ), 'wl_namespace' => $this->mTitle->getNamespace() ),
 365                                         __METHOD__
 366                                 );
 367                                 $x = $dbr->fetchObject( $res );
 368                                 $numberofwatchingusers = $x->n;
 369                                 if( $numberofwatchingusers > 0 ) {
 370                                         $tpl->set( 'numberofwatchingusers',
 371                                                 wfMsgExt( 'number_of_watching_users_pageview', array( 'parseinline' ),
 372                                                 $wgLang->formatNum( $numberofwatchingusers ) )
 373                                         );
 374                                 } else {
 375                                         $tpl->set( 'numberofwatchingusers', false );
 376                                 }
 377                         } else {
 378                                 $tpl->set( 'numberofwatchingusers', false );
 379                         }
 380
 381                         $tpl->set( 'copyright', $this->getCopyright() );
 382
 383                         $this->credits = false;
 384
 385                         if( $wgMaxCredits != 0 ){
 386                                 $this->credits = Credits::getCredits( $wgArticle, $wgMaxCredits, $wgShowCreditsIfMax );
 387                         } else {
 388                                 $tpl->set( 'lastmod', $this->lastModified() );
 389                         }
 390
 391                         $tpl->setRef( 'credits', $this->credits );
 392
 393                 } elseif ( isset( $oldid ) && !isset( $diff ) ) {
 394                         $tpl->set( 'copyright', $this->getCopyright() );
 395                         $tpl->set( 'viewcount', false );
 396                         $tpl->set( 'lastmod', false );
 397                         $tpl->set( 'credits', false );
 398                         $tpl->set( 'numberofwatchingusers', false );
 399                 } else {
 400                         $tpl->set( 'copyright', false );
 401                         $tpl->set( 'viewcount', false );
 402                         $tpl->set( 'lastmod', false );
 403                         $tpl->set( 'credits', false );
 404                         $tpl->set( 'numberofwatchingusers', false );
 405                 }
 406                 wfProfileOut( __METHOD__ . '-stuff3' );
 407
 408                 wfProfileIn( __METHOD__ . '-stuff4' );
 409                 $tpl->set( 'copyrightico', $this->getCopyrightIcon() );
 410                 $tpl->set( 'poweredbyico', $this->getPoweredBy() );
 411                 $tpl->set( 'disclaimer', $this->disclaimerLink() );
 412                 $tpl->set( 'privacy', $this->privacyLink() );
 413                 $tpl->set( 'about', $this->aboutLink() );
 414
 415                 if ( $wgDebugComments ) {
 416                         $tpl->setRef( 'debug', $out->mDebugtext );
 417                 } else {
 418                         $tpl->set( 'debug', '' );
 419                 }
 420
 421                 $tpl->set( 'reporttime', wfReportTime() );
 422                 $tpl->set( 'sitenotice', wfGetSiteNotice() );
 423                 $tpl->set( 'bottomscripts', $this->bottomScripts( $out ) );
 424
 425                 $printfooter = "<div class=\"printfooter\">\n" . $this->printSource() . "</div>\n";
 426                 global $wgBetterDirectionality;
 427                 if ( $wgBetterDirectionality ) {
 428                         $realBodyAttribs = array( 'lang' => $wgLanguageCode, 'dir' => $wgContLang->getDir() );
 429                         $out->mBodytext = Html::rawElement( 'div', $realBodyAttribs, $out->mBodytext );
 430                 }
 431                 $out->mBodytext .= $printfooter . $this->generateDebugHTML();
 432                 $tpl->setRef( 'bodytext', $out->mBodytext );
 433
 434                 # Language links
 435                 $language_urls = array();
 436
 437                 if ( !$wgHideInterlanguageLinks ) {
 438                         foreach( $out->getLanguageLinks() as $l ) {
 439                                 $tmp = explode( ':', $l, 2 );
 440                                 $class = 'interwiki-' . $tmp[0];
 441                                 unset( $tmp );
 442                                 $nt = Title::newFromText( $l );
 443                                 if ( $nt ) {
 444                                         $language_urls[] = array(
 445                                                 'href' => $nt->getFullURL(),
 446                                                 'text' => ( $wgContLang->getLanguageName( $nt->getInterwiki() ) != '' ?
 447                                                                         $wgContLang->getLanguageName( $nt->getInterwiki() ) : $l ),
 448                                                 'title' => $nt->getText(),
 449                                                 'class' => $class
 450                                         );
 451                                 }
 452                         }
 453                 }
 454                 if( count( $language_urls ) ) {
 455                         $tpl->setRef( 'language_urls', $language_urls );
 456                 } else {
 457                         $tpl->set( 'language_urls', false );
 458                 }
 459                 wfProfileOut( __METHOD__ . '-stuff4' );
 460
 461                 wfProfileIn( __METHOD__ . '-stuff5' );
 462                 # Personal toolbar
 463                 $tpl->set( 'personal_urls', $this->buildPersonalUrls() );
 464                 $content_actions = $this->buildContentActionUrls();
 465                 $tpl->setRef( 'content_actions', $content_actions );
 466
 467                 $tpl->set( 'sidebar', $this->buildSidebar() );
 468                 $tpl->set( 'nav_urls', $this->buildNavUrls() );
 469
 470                 // Set the head scripts near the end, in case the above actions resulted in added scripts
 471                 if ( $this->useHeadElement ) {
 472                         $tpl->set( 'headelement', $out->headElement( $this ) );
 473                 } else {
 474                         $tpl->set( 'headscripts', $out->getScript() );
 475                 }
 476
 477                 // original version by hansm
 478                 if( !wfRunHooks( 'SkinTemplateOutputPageBeforeExec', array( &$this, &$tpl ) ) ) {
 479                         wfDebug( __METHOD__ . ": Hook SkinTemplateOutputPageBeforeExec broke outputPage execution!\n" );
 480                 }
 481
 482                 // allow extensions adding stuff after the page content.
 483                 // See Skin::afterContentHook() for further documentation.
 484                 $tpl->set( 'dataAfterContent', $this->afterContentHook() );
 485                 wfProfileOut( __METHOD__ . '-stuff5' );
 486
 487                 // execute template
 488                 wfProfileIn( __METHOD__ . '-execute' );
 489                 $res = $tpl->execute();
 490                 wfProfileOut( __METHOD__ . '-execute' );
 491
 492                 // result may be an error
 493                 $this->printOrError( $res );
 494                 wfProfileOut( __METHOD__ );
 495         }
 496
 497         /**
 498          * Output the string, or print error message if it's
 499          * an error object of the appropriate type.
 500          * For the base class, assume strings all around.
 501          *
 502          * @param $str Mixed
 503          * @private
 504          */
 505         function printOrError( $str ) {
 506                 echo $str;
 507         }
 508
 509         /**
 510          * build array of urls for personal toolbar
 511          * @return array
 512          * @private
 513          */
 514         function buildPersonalUrls() {
 515                 global $wgOut, $wgRequest;
 516
 517                 $title = $wgOut->getTitle();
 518                 $pageurl = $title->getLocalURL();
 519                 wfProfileIn( __METHOD__ );
 520
 521                 /* set up the default links for the personal toolbar */
 522                 $personal_urls = array();
 523                 $page = $wgRequest->getVal( 'returnto', $this->thisurl );
 524                 $query = $wgRequest->getVal( 'returntoquery', $this->thisquery );
 525                 $returnto = "returnto=$page";
 526                 if( $this->thisquery != '' )
 527                         $returnto .= "&returntoquery=$query";
 528                 if( $this->loggedin ) {
 529                         $personal_urls['userpage'] = array(
 530                                 'text' => $this->username,
 531                                 'href' => &$this->userpageUrlDetails['href'],
 532                                 'class' => $this->userpageUrlDetails['exists'] ? false : 'new',
 533                                 'active' => ( $this->userpageUrlDetails['href'] == $pageurl )
 534                         );
 535                         $usertalkUrlDetails = $this->makeTalkUrlDetails( $this->userpage );
 536                         $personal_urls['mytalk'] = array(
 537                                 'text' => wfMsg( 'mytalk' ),
 538                                 'href' => &$usertalkUrlDetails['href'],
 539                                 'class' => $usertalkUrlDetails['exists'] ? false : 'new',
 540                                 'active' => ( $usertalkUrlDetails['href'] == $pageurl )
 541                         );
 542                         $href = self::makeSpecialUrl( 'Preferences' );
 543                         $personal_urls['preferences'] = array(
 544                                 'text' => wfMsg( 'mypreferences' ),
 545                                 'href' => $href,
 546                                 'active' => ( $href == $pageurl )
 547                         );
 548                         $href = self::makeSpecialUrl( 'Watchlist' );
 549                         $personal_urls['watchlist'] = array(
 550                                 'text' => wfMsg( 'mywatchlist' ),
 551                                 'href' => $href,
 552                                 'active' => ( $href == $pageurl )
 553                         );
 554
 555                         # We need to do an explicit check for Special:Contributions, as we
 556                         # have to match both the title, and the target (which could come
 557                         # from request values or be specified in "sub page" form. The plot
 558                         # thickens, because $wgTitle is altered for special pages, so doesn't
 559                         # contain the original alias-with-subpage.
 560                         $origTitle = Title::newFromText( $wgRequest->getText( 'title' ) );
 561                         if( $origTitle instanceof Title && $origTitle->getNamespace() == NS_SPECIAL ) {
 562                                 list( $spName, $spPar ) =
 563                                         SpecialPage::resolveAliasWithSubpage( $origTitle->getText() );
 564                                 $active = $spName == 'Contributions'
 565                                         && ( ( $spPar && $spPar == $this->username )
 566                                                 || $wgRequest->getText( 'target' ) == $this->username );
 567                         } else {
 568                                 $active = false;
 569                         }
 570
 571                         $href = self::makeSpecialUrlSubpage( 'Contributions', $this->username );
 572                         $personal_urls['mycontris'] = array(
 573                                 'text' => wfMsg( 'mycontris' ),
 574                                 'href' => $href,
 575                                 'active' => $active
 576                         );
 577                         $personal_urls['logout'] = array(
 578                                 'text' => wfMsg( 'userlogout' ),
 579                                 'href' => self::makeSpecialUrl( 'Userlogout',
 580                                         $title->isSpecial( 'Preferences' ) ? '' : $returnto
 581                                 ),
 582                                 'active' => false
 583                         );
 584                 } else {
 585                         global $wgUser;
 586                         $loginlink = $wgUser->isAllowed( 'createaccount' )
 587                                 ? 'nav-login-createaccount'
 588                                 : 'login';
 589                         if( $this->showIPinHeader() ) {
 590                                 $href = &$this->userpageUrlDetails['href'];
 591                                 $personal_urls['anonuserpage'] = array(
 592                                         'text' => $this->username,
 593                                         'href' => $href,
 594                                         'class' => $this->userpageUrlDetails['exists'] ? false : 'new',
 595                                         'active' => ( $pageurl == $href )
 596                                 );
 597                                 $usertalkUrlDetails = $this->makeTalkUrlDetails( $this->userpage );
 598                                 $href = &$usertalkUrlDetails['href'];
 599                                 $personal_urls['anontalk'] = array(
 600                                         'text' => wfMsg( 'anontalk' ),
 601                                         'href' => $href,
 602                                         'class' => $usertalkUrlDetails['exists'] ? false : 'new',
 603                                         'active' => ( $pageurl == $href )
 604                                 );
 605                                 $personal_urls['anonlogin'] = array(
 606                                         'text' => wfMsg( $loginlink ),
 607                                         'href' => self::makeSpecialUrl( 'Userlogin', $returnto ),
 608                                         'active' => $title->isSpecial( 'Userlogin' )
 609                                 );
 610                         } else {
 611                                 $personal_urls['login'] = array(
 612                                         'text' => wfMsg( $loginlink ),
 613                                         'href' => self::makeSpecialUrl( 'Userlogin', $returnto ),
 614                                         'active' => $title->isSpecial( 'Userlogin' )
 615                                 );
 616                         }
 617                 }
 618
 619                 wfRunHooks( 'PersonalUrls', array( &$personal_urls, &$title ) );
 620                 wfProfileOut( __METHOD__ );
 621                 return $personal_urls;
 622         }
 623
 624         function tabAction( $title, $message, $selected, $query = '', $checkEdit = false ) {
 625                 $classes = array();
 626                 if( $selected ) {
 627                         $classes[] = 'selected';
 628                 }
 629                 if( $checkEdit && !$title->isKnown() ) {
 630                         $classes[] = 'new';
 631                         $query = 'action=edit&redlink=1';
 632                 }
 633
 634                 $text = wfMsg( $message );
 635                 if ( wfEmptyMsg( $message, $text ) ) {
 636                         global $wgContLang;
 637                         $text = $wgContLang->getFormattedNsText( MWNamespace::getSubject( $title->getNamespace() ) );
 638                 }
 639
 640                 $result = array();
 641                 if( !wfRunHooks( 'SkinTemplateTabAction', array( &$this,
 642                                 $title, $message, $selected, $checkEdit,
 643                                 &$classes, &$query, &$text, &$result ) ) ) {
 644                         return $result;
 645                 }
 646
 647                 return array(
 648                         'class' => implode( ' ', $classes ),
 649                         'text' => $text,
 650                         'href' => $title->getLocalUrl( $query ) );
 651         }
 652
 653         function makeTalkUrlDetails( $name, $urlaction = '' ) {
 654                 $title = Title::newFromText( $name );
 655                 if( !is_object( $title ) ) {
 656                         throw new MWException( __METHOD__ . " given invalid pagename $name" );
 657                 }
 658                 $title = $title->getTalkPage();
 659                 self::checkTitle( $title, $name );
 660                 return array(
 661                         'href' => $title->getLocalURL( $urlaction ),
 662                         'exists' => $title->getArticleID() != 0,
 663                 );
 664         }
 665
 666         function makeArticleUrlDetails( $name, $urlaction = '' ) {
 667                 $title = Title::newFromText( $name );
 668                 $title= $title->getSubjectPage();
 669                 self::checkTitle( $title, $name );
 670                 return array(
 671                         'href' => $title->getLocalURL( $urlaction ),
 672                         'exists' => $title->getArticleID() != 0,
 673                 );
 674         }
 675
 676         /**
 677          * an array of edit links by default used for the tabs
 678          * @return array
 679          * @private
 680          */
 681         function buildContentActionUrls() {
 682                 global $wgContLang, $wgLang, $wgOut, $wgUser, $wgRequest, $wgArticle;
 683
 684                 wfProfileIn( __METHOD__ );
 685
 686                 $action = $wgRequest->getVal( 'action', 'view' );
 687                 $section = $wgRequest->getVal( 'section' );
 688                 $content_actions = array();
 689
 690                 $prevent_active_tabs = false;
 691                 wfRunHooks( 'SkinTemplatePreventOtherActiveTabs', array( &$this, &$prevent_active_tabs ) );
 692
 693                 if( $this->iscontent ) {
 694                         $subjpage = $this->mTitle->getSubjectPage();
 695                         $talkpage = $this->mTitle->getTalkPage();
 696
 697                         $nskey = $this->mTitle->getNamespaceKey();
 698                         $content_actions[$nskey] = $this->tabAction(
 699                                 $subjpage,
 700                                 $nskey,
 701                                 !$this->mTitle->isTalkPage() && !$prevent_active_tabs,
 702                                 '', true
 703                         );
 704
 705                         $content_actions['talk'] = $this->tabAction(
 706                                 $talkpage,
 707                                 'talk',
 708                                 $this->mTitle->isTalkPage() && !$prevent_active_tabs,
 709                                 '',
 710                                 true
 711                         );
 712
 713                         wfProfileIn( __METHOD__ . '-edit' );
 714                         if ( $this->mTitle->quickUserCan( 'edit' ) && ( $this->mTitle->exists() || $this->mTitle->quickUserCan( 'create' ) ) ) {
 715                                 $istalk = $this->mTitle->isTalkPage();
 716                                 $istalkclass = $istalk?' istalk':'';
 717                                 $content_actions['edit'] = array(
 718                                         'class' => ( ( ( $action == 'edit' or $action == 'submit' ) and $section != 'new' ) ? 'selected' : '' ) . $istalkclass,
 719                                         'text' => ( $this->mTitle->exists() || ( $this->mTitle->getNamespace() == NS_MEDIAWIKI && !wfEmptyMsg( $this->mTitle->getText() ) ) )
 720                                                 ? wfMsg( 'edit' )
 721                                                 : wfMsg( 'create' ),
 722                                         'href' => $this->mTitle->getLocalUrl( $this->editUrlOptions() )
 723                                 );
 724
 725                                 // adds new section link if page is a current revision of a talk page or
 726                                 if ( ( $wgArticle && $wgArticle->isCurrent() && $istalk ) || $wgOut->showNewSectionLink() ) {
 727                                         if ( !$wgOut->forceHideNewSectionLink() ) {
 728                                                 $content_actions['addsection'] = array(
 729                                                         'class' => $section == 'new' ? 'selected' : false,
 730                                                         'text' => wfMsg( 'addsection' ),
 731                                                         'href' => $this->mTitle->getLocalUrl( 'action=edit&section=new' )
 732                                                 );
 733                                         }
 734                                 }
 735                         } elseif ( $this->mTitle->hasSourceText() ) {
 736                                 $content_actions['viewsource'] = array(
 737                                         'class' => ($action == 'edit') ? 'selected' : false,
 738                                         'text' => wfMsg( 'viewsource' ),
 739                                         'href' => $this->mTitle->getLocalUrl( $this->editUrlOptions() )
 740                                 );
 741                         }
 742                         wfProfileOut( __METHOD__ . '-edit' );
 743
 744                         wfProfileIn( __METHOD__ . '-live' );
 745                         if ( $this->mTitle->exists() ) {
 746
 747                                 $content_actions['history'] = array(
 748                                         'class' => ($action == 'history') ? 'selected' : false,
 749                                         'text' => wfMsg( 'history_short' ),
 750                                         'href' => $this->mTitle->getLocalUrl( 'action=history' ),
 751                                         'rel' => 'archives',
 752                                 );
 753
 754                                 if( $wgUser->isAllowed( 'delete' ) ) {
 755                                         $content_actions['delete'] = array(
 756                                                 'class' => ($action == 'delete') ? 'selected' : false,
 757                                                 'text' => wfMsg( 'delete' ),
 758                                                 'href' => $this->mTitle->getLocalUrl( 'action=delete' )
 759                                         );
 760                                 }
 761                                 if ( $this->mTitle->quickUserCan( 'move' ) ) {
 762                                         $moveTitle = SpecialPage::getTitleFor( 'Movepage', $this->thispage );
 763                                         $content_actions['move'] = array(
 764                                                 'class' => $this->mTitle->isSpecial( 'Movepage' ) ? 'selected' : false,
 765                                                 'text' => wfMsg( 'move' ),
 766                                                 'href' => $moveTitle->getLocalUrl()
 767                                         );
 768                                 }
 769
 770                                 if ( $this->mTitle->getNamespace() !== NS_MEDIAWIKI && $wgUser->isAllowed( 'protect' ) ) {
 771                                         if( !$this->mTitle->isProtected() ){
 772                                                 $content_actions['protect'] = array(
 773                                                         'class' => ($action == 'protect') ? 'selected' : false,
 774                                                         'text' => wfMsg( 'protect' ),
 775                                                         'href' => $this->mTitle->getLocalUrl( 'action=protect' )
 776                                                 );
 777
 778                                         } else {
 779                                                 $content_actions['unprotect'] = array(
 780                                                         'class' => ($action == 'unprotect') ? 'selected' : false,
 781                                                         'text' => wfMsg( 'unprotect' ),
 782                                                         'href' => $this->mTitle->getLocalUrl( 'action=unprotect' )
 783                                                 );
 784                                         }
 785                                 }
 786                         } else {
 787                                 //article doesn't exist or is deleted
 788                                 if( $wgUser->isAllowed( 'deletedhistory' ) && $wgUser->isAllowed( 'deletedtext' ) ) {
 789                                         if( $n = $this->mTitle->isDeleted() ) {
 790                                                 $undelTitle = SpecialPage::getTitleFor( 'Undelete' );
 791                                                 $content_actions['undelete'] = array(
 792                                                         'class' => false,
 793                                                         'text' => wfMsgExt( 'undelete_short', array( 'parsemag' ), $wgLang->formatNum( $n ) ),
 794                                                         'href' => $undelTitle->getLocalUrl( 'target=' . urlencode( $this->thispage ) )
 795                                                         #'href' => self::makeSpecialUrl( "Undelete/$this->thispage" )
 796                                                 );
 797                                         }
 798                                 }
 799
 800                                 if ( $this->mTitle->getNamespace() !== NS_MEDIAWIKI && $wgUser->isAllowed( 'protect' ) ) {
 801                                         if( !$this->mTitle->getRestrictions( 'create' ) ) {
 802                                                 $content_actions['protect'] = array(
 803                                                         'class' => ($action == 'protect') ? 'selected' : false,
 804                                                         'text' => wfMsg( 'protect' ),
 805                                                         'href' => $this->mTitle->getLocalUrl( 'action=protect' )
 806                                                 );
 807
 808                                         } else {
 809                                                 $content_actions['unprotect'] = array(
 810                                                         'class' => ($action == 'unprotect') ? 'selected' : false,
 811                                                         'text' => wfMsg( 'unprotect' ),
 812                                                         'href' => $this->mTitle->getLocalUrl( 'action=unprotect' )
 813                                                 );
 814                                         }
 815                                 }
 816                         }
 817
 818                         wfProfileOut( __METHOD__ . '-live' );
 819
 820                         if( $this->loggedin ) {
 821                                 if( !$this->mTitle->userIsWatching()) {
 822                                         $content_actions['watch'] = array(
 823                                                 'class' => ($action == 'watch' or $action == 'unwatch') ? 'selected' : false,
 824                                                 'text' => wfMsg( 'watch' ),
 825                                                 'href' => $this->mTitle->getLocalUrl( 'action=watch' )
 826                                         );
 827                                 } else {
 828                                         $content_actions['unwatch'] = array(
 829                                                 'class' => ($action == 'unwatch' or $action == 'watch') ? 'selected' : false,
 830                                                 'text' => wfMsg( 'unwatch' ),
 831                                                 'href' => $this->mTitle->getLocalUrl( 'action=unwatch' )
 832                                         );
 833                                 }
 834                         }
 835
 836
 837                         wfRunHooks( 'SkinTemplateTabs', array( $this, &$content_actions ) );
 838                 } else {
 839                         /* show special page tab */
 840
 841                         $content_actions[$this->mTitle->getNamespaceKey()] = array(
 842                                 'class' => 'selected',
 843                                 'text' => wfMsg('nstab-special'),
 844                                 'href' => $wgRequest->getRequestURL(), // @bug 2457, 2510
 845                         );
 846
 847                         wfRunHooks( 'SkinTemplateBuildContentActionUrlsAfterSpecialPage', array( &$this, &$content_actions ) );
 848                 }
 849
 850                 /* show links to different language variants */
 851                 global $wgDisableLangConversion;
 852                 $variants = $wgContLang->getVariants();
 853                 if( !$wgDisableLangConversion && sizeof( $variants ) > 1 ) {
 854                         $preferred = $wgContLang->getPreferredVariant();
 855                         $vcount=0;
 856                         foreach( $variants as $code ) {
 857                                 $varname = $wgContLang->getVariantname( $code );
 858                                 if( $varname == 'disable' )
 859                                         continue;
 860                                 $selected = ( $code == $preferred )? 'selected' : false;
 861                                 $content_actions['varlang-' . $vcount] = array(
 862                                         'class' => $selected,
 863                                         'text' => $varname,
 864                                         'href' => $this->mTitle->getLocalURL( '', $code )
 865                                 );
 866                                 $vcount ++;
 867                         }
 868                 }
 869
 870                 wfRunHooks( 'SkinTemplateContentActions', array( &$content_actions ) );
 871
 872                 wfProfileOut( __METHOD__ );
 873                 return $content_actions;
 874         }
 875
 876         /**
 877          * build array of common navigation links
 878          * @return array
 879          * @private
 880          */
 881         function buildNavUrls() {
 882                 global $wgUseTrackbacks, $wgOut, $wgUser, $wgRequest;
 883                 global $wgUploadNavigationUrl;
 884
 885                 wfProfileIn( __METHOD__ );
 886
 887                 $action = $wgRequest->getVal( 'action', 'view' );
 888
 889                 $nav_urls = array();
 890                 $nav_urls['mainpage'] = array( 'href' => self::makeMainPageUrl() );
 891                 if( $wgUploadNavigationUrl ) {
 892                         $nav_urls['upload'] = array( 'href' => $wgUploadNavigationUrl );
 893                 } elseif( UploadBase::isEnabled() && UploadBase::isAllowed( $wgUser ) === true ) {
 894                         $nav_urls['upload'] = array( 'href' => self::makeSpecialUrl( 'Upload' ) );
 895                 } else {
 896                         $nav_urls['upload'] = false;
 897                 }
 898                 $nav_urls['specialpages'] = array( 'href' => self::makeSpecialUrl( 'Specialpages' ) );
 899
 900                 // default permalink to being off, will override it as required below.
 901                 $nav_urls['permalink'] = false;
 902
 903                 // A print stylesheet is attached to all pages, but nobody ever
 904                 // figures that out. :)  Add a link...
 905                 if( $this->iscontent && ( $action == 'view' || $action == 'purge' ) ) {
 906                         if ( !$wgOut->isPrintable() ) {
 907                                 $nav_urls['print'] = array(
 908                                         'text' => wfMsg( 'printableversion' ),
 909                                         'href' => $wgRequest->appendQuery( 'printable=yes' )
 910                                 );
 911                         }
 912
 913                         // Also add a "permalink" while we're at it
 914                         if ( $this->mRevisionId ) {
 915                                 $nav_urls['permalink'] = array(
 916                                         'text' => wfMsg( 'permalink' ),
 917                                         'href' => $wgOut->getTitle()->getLocalURL( "oldid=$this->mRevisionId" )
 918                                 );
 919                         }
 920
 921                         // Copy in case this undocumented, shady hook tries to mess with internals
 922                         $revid = $this->mRevisionId;
 923                         wfRunHooks( 'SkinTemplateBuildNavUrlsNav_urlsAfterPermalink', array( &$this, &$nav_urls, &$revid, &$revid ) );
 924                 }
 925
 926                 if( $this->mTitle->getNamespace() != NS_SPECIAL ) {
 927                         $wlhTitle = SpecialPage::getTitleFor( 'Whatlinkshere', $this->thispage );
 928                         $nav_urls['whatlinkshere'] = array(
 929                                 'href' => $wlhTitle->getLocalUrl()
 930                         );
 931                         if( $this->mTitle->getArticleId() ) {
 932                                 $rclTitle = SpecialPage::getTitleFor( 'Recentchangeslinked', $this->thispage );
 933                                 $nav_urls['recentchangeslinked'] = array(
 934                                         'href' => $rclTitle->getLocalUrl()
 935                                 );
 936                         } else {
 937                                 $nav_urls['recentchangeslinked'] = false;
 938                         }
 939                         if( $wgUseTrackbacks )
 940                                 $nav_urls['trackbacklink'] = array(
 941                                         'href' => $wgOut->getTitle()->trackbackURL()
 942                                 );
 943                 }
 944
 945                 if( $this->mTitle->getNamespace() == NS_USER || $this->mTitle->getNamespace() == NS_USER_TALK ) {
 946                         $parts = explode( '/', $this->mTitle->getText() );
 947                         $rootUser = $parts[0];
 948                         $id = User::idFromName( $rootUser );
 949                         $ip = User::isIP( $rootUser );
 950                 } else {
 951                         $id = 0;
 952                         $ip = false;
 953                 }
 954
 955                 if( $id || $ip ) { # both anons and non-anons have contribs list
 956                         $nav_urls['contributions'] = array(
 957                                 'href' => self::makeSpecialUrlSubpage( 'Contributions', $rootUser )
 958                         );
 959
 960                         if( $id ) {
 961                                 $logPage = SpecialPage::getTitleFor( 'Log' );
 962                                 $nav_urls['log'] = array(
 963                                         'href' => $logPage->getLocalUrl(
 964                                                 array(
 965                                                         'user' => $rootUser
 966                                                 )
 967                                         )
 968                                 );
 969                         } else {
 970                                 $nav_urls['log'] = false;
 971                         }
 972
 973                         if ( $wgUser->isAllowed( 'block' ) ) {
 974                                 $nav_urls['blockip'] = array(
 975                                         'href' => self::makeSpecialUrlSubpage( 'Blockip', $rootUser )
 976                                 );
 977                         } else {
 978                                 $nav_urls['blockip'] = false;
 979                         }
 980                 } else {
 981                         $nav_urls['contributions'] = false;
 982                         $nav_urls['log'] = false;
 983                         $nav_urls['blockip'] = false;
 984                 }
 985                 $nav_urls['emailuser'] = false;
 986                 if( $this->showEmailUser( $id ) ) {
 987                         $nav_urls['emailuser'] = array(
 988                                 'href' => self::makeSpecialUrlSubpage( 'Emailuser', $rootUser )
 989                         );
 990                 }
 991                 wfProfileOut( __METHOD__ );
 992                 return $nav_urls;
 993         }
 994
 995         /**
 996          * Generate strings used for xml 'id' names
 997          * @return string
 998          * @private
 999          */
1000         function getNameSpaceKey() {
1001                 return $this->mTitle->getNamespaceKey();
1002         }
1003
1004         /**
1005          * @private
1006          */
1007         function setupUserJs( $allowUserJs ) {
1008                 global $wgRequest, $wgJsMimeType;
1009                 wfProfileIn( __METHOD__ );
1010
1011                 $action = $wgRequest->getVal( 'action', 'view' );
1012
1013                 if( $allowUserJs && $this->loggedin ) {
1014                         if( $this->mTitle->isJsSubpage() and $this->userCanPreview( $action ) ) {
1015                                 # XXX: additional security check/prompt?
1016                                 $this->userjsprev = '/*<![CDATA[*/ ' . $wgRequest->getText( 'wpTextbox1' ) . ' /*]]>*/';
1017                         } else {
1018                                 $this->userjs = self::makeUrl( $this->userpage . '/' . $this->skinname . '.js', 'action=raw&ctype=' . $wgJsMimeType );
1019                         }
1020                 }
1021                 wfProfileOut( __METHOD__ );
1022         }
1023
1024         /**
1025          * Code for extensions to hook into to provide per-page CSS, see
1026          * extensions/PageCSS/PageCSS.php for an implementation of this.
1027          *
1028          * @private
1029          */
1030         function setupPageCss() {
1031                 wfProfileIn( __METHOD__ );
1032                 $out = false;
1033                 wfRunHooks( 'SkinTemplateSetupPageCss', array( &$out ) );
1034                 wfProfileOut( __METHOD__ );
1035                 return $out;
1036         }
1037
1038         public function commonPrintStylesheet() {
1039                 return false;
1040         }
1041 }
1042
1043 /**
1044  * Generic wrapper for template functions, with interface
1045  * compatible with what we use of PHPTAL 0.7.
1046  * @ingroup Skins
1047  */
1048 abstract class QuickTemplate {
1049         /**
1050          * Constructor
1051          */
1052         public function QuickTemplate() {
1053                 $this->data = array();
1054                 $this->translator = new MediaWiki_I18N();
1055         }
1056
1057         /**
1058          * Sets the value $value to $name
1059          * @param $name
1060          * @param $value
1061          */
1062         public function set( $name, $value ) {
1063                 $this->data[$name] = $value;
1064         }
1065
1066         /**
1067          * @param $name
1068          * @param $value
1069          */
1070         public function setRef( $name, &$value ) {
1071                 $this->data[$name] =& $value;
1072         }
1073
1074         /**
1075          * @param $t
1076          */
1077         public function setTranslator( &$t ) {
1078                 $this->translator = &$t;
1079         }
1080
1081         /**
1082          * Main function, used by classes that subclass QuickTemplate
1083          * to show the actual HTML output
1084          */
1085         abstract public function execute();
1086
1087         /**
1088          * @private
1089          */
1090         function text( $str ) {
1091                 echo htmlspecialchars( $this->data[$str] );
1092         }
1093
1094         /**
1095          * @private
1096          */
1097         function jstext( $str ) {
1098                 echo Xml::escapeJsString( $this->data[$str] );
1099         }
1100
1101         /**
1102          * @private
1103          */
1104         function html( $str ) {
1105                 echo $this->data[$str];
1106         }
1107
1108         /**
1109          * @private
1110          */
1111         function msg( $str ) {
1112                 echo htmlspecialchars( $this->translator->translate( $str ) );
1113         }
1114
1115         /**
1116          * @private
1117          */
1118         function msgHtml( $str ) {
1119                 echo $this->translator->translate( $str );
1120         }
1121
1122         /**
1123          * An ugly, ugly hack.
1124          * @private
1125          */
1126         function msgWiki( $str ) {
1127                 global $wgParser, $wgOut;
1128
1129                 $text = $this->translator->translate( $str );
1130                 $parserOutput = $wgParser->parse( $text, $wgOut->getTitle(),
1131                         $wgOut->parserOptions(), true );
1132                 echo $parserOutput->getText();
1133         }
1134
1135         /**
1136          * @private
1137          */
1138         function haveData( $str ) {
1139                 return isset( $this->data[$str] );
1140         }
1141
1142         /**
1143          * @private
1144          */
1145         function haveMsg( $str ) {
1146                 $msg = $this->translator->translate( $str );
1147                 return ( $msg != '-' ) && ( $msg != '' ); # ????
1148         }
1149 }