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->addStyle( 'common/shared.css', 'screen' );
 111                 $out->addStyle( 'common/commonPrint.css', 'print' );
 112         }
 113
 114         /**
 115          * Create the template engine object; we feed it a bunch of data
 116          * and eventually it spits out some HTML. Should have interface
 117          * roughly equivalent to PHPTAL 0.7.
 118          *
 119          * @param $classname string (or file)
 120          * @param $repository string: subdirectory where we keep template files
 121          * @param $cache_dir string
 122          * @return object
 123          * @private
 124          */
 125         function setupTemplate( $classname, $repository = false, $cache_dir = false ) {
 126                 return new $classname();
 127         }
 128
 129         /**
 130          * initialize various variables and generate the template
 131          *
 132          * @param $out OutputPage
 133          */
 134         function outputPage( OutputPage $out ) {
 135                 global $wgArticle, $wgUser, $wgLang, $wgContLang;
 136                 global $wgScript, $wgStylePath, $wgContLanguageCode;
 137                 global $wgMimeType, $wgJsMimeType, $wgOutputEncoding, $wgRequest;
 138                 global $wgXhtmlDefaultNamespace, $wgXhtmlNamespaces, $wgHtml5Version;
 139                 global $wgDisableCounters, $wgLogo, $wgHideInterlanguageLinks;
 140                 global $wgMaxCredits, $wgShowCreditsIfMax;
 141                 global $wgPageShowWatchingUsers;
 142                 global $wgUseTrackbacks, $wgUseSiteJs, $wgDebugComments;
 143                 global $wgArticlePath, $wgScriptPath, $wgServer, $wgProfiler;
 144
 145                 wfProfileIn( __METHOD__ );
 146                 if ( is_object( $wgProfiler ) ) {
 147                         $wgProfiler->setTemplated( true );
 148                 }
 149
 150                 $oldid = $wgRequest->getVal( 'oldid' );
 151                 $diff = $wgRequest->getVal( 'diff' );
 152                 $action = $wgRequest->getVal( 'action', 'view' );
 153
 154                 wfProfileIn( __METHOD__ . '-init' );
 155                 $this->initPage( $out );
 156
 157                 $this->setMembers();
 158                 $tpl = $this->setupTemplate( $this->template, 'skins' );
 159
 160                 #if ( $wgUseDatabaseMessages ) { // uncomment this to fall back to GetText
 161                 $tpl->setTranslator( new MediaWiki_I18N() );
 162                 #}
 163                 wfProfileOut( __METHOD__ . '-init' );
 164
 165                 wfProfileIn( __METHOD__ . '-stuff' );
 166                 $this->thispage = $this->mTitle->getPrefixedDBkey();
 167                 $this->thisurl = $this->mTitle->getPrefixedURL();
 168                 $query = array();
 169                 if ( !$wgRequest->wasPosted() ) {
 170                         $query = $wgRequest->getValues();
 171                         unset( $query['title'] );
 172                         unset( $query['returnto'] );
 173                         unset( $query['returntoquery'] );
 174                 }
 175                 $this->thisquery = wfUrlencode( wfArrayToCGI( $query ) );
 176                 $this->loggedin = $wgUser->isLoggedIn();
 177                 $this->iscontent = ( $this->mTitle->getNamespace() != NS_SPECIAL );
 178                 $this->iseditable = ( $this->iscontent and !( $action == 'edit' or $action == 'submit' ) );
 179                 $this->username = $wgUser->getName();
 180
 181                 if ( $wgUser->isLoggedIn() || $this->showIPinHeader() ) {
 182                         $this->userpageUrlDetails = self::makeUrlDetails( $this->userpage );
 183                 } else {
 184                         # This won't be used in the standard skins, but we define it to preserve the interface
 185                         # To save time, we check for existence
 186                         $this->userpageUrlDetails = self::makeKnownUrlDetails( $this->userpage );
 187                 }
 188
 189                 $this->titletxt = $this->mTitle->getPrefixedText();
 190                 wfProfileOut( __METHOD__ . '-stuff' );
 191
 192                 wfProfileIn( __METHOD__ . '-stuff-head' );
 193                 if ( $this->useHeadElement ) {
 194                         $pagecss = $this->setupPageCss();
 195                         if( $pagecss )
 196                                 $out->addInlineStyle( $pagecss );
 197                 } else {
 198                         $this->setupUserCss( $out );
 199
 200                         $tpl->set( 'pagecss', $this->setupPageCss() );
 201                         $tpl->setRef( 'usercss', $this->usercss );
 202
 203                         $this->userjs = $this->userjsprev = false;
 204                         $this->setupUserJs( $out->isUserJsAllowed() );
 205                         $tpl->setRef( 'userjs', $this->userjs );
 206                         $tpl->setRef( 'userjsprev', $this->userjsprev );
 207
 208                         if( $wgUseSiteJs ) {
 209                                 $jsCache = $this->loggedin ? '&smaxage=0' : '';
 210                                 $tpl->set( 'jsvarurl',
 211                                                   self::makeUrl( '-',
 212                                                                                 "action=raw$jsCache&gen=js&useskin=" .
 213                                                                                 urlencode( $this->getSkinName() ) ) );
 214                         } else {
 215                                 $tpl->set( 'jsvarurl', false );
 216                         }
 217
 218                         $tpl->setRef( 'xhtmldefaultnamespace', $wgXhtmlDefaultNamespace );
 219                         $tpl->set( 'xhtmlnamespaces', $wgXhtmlNamespaces );
 220                         $tpl->set( 'html5version', $wgHtml5Version );
 221                         $tpl->set( 'headlinks', $out->getHeadLinks() );
 222                         $tpl->set( 'csslinks', $out->buildCssLinks() );
 223
 224                         if( $wgUseTrackbacks && $out->isArticleRelated() ) {
 225                                 $tpl->set( 'trackbackhtml', $out->getTitle()->trackbackRDF() );
 226                         } else {
 227                                 $tpl->set( 'trackbackhtml', null );
 228                         }
 229                 }
 230                 wfProfileOut( __METHOD__ . '-stuff-head' );
 231
 232                 wfProfileIn( __METHOD__ . '-stuff2' );
 233                 $tpl->set( 'title', $out->getPageTitle() );
 234                 $tpl->set( 'pagetitle', $out->getHTMLTitle() );
 235                 $tpl->set( 'displaytitle', $out->mPageLinkTitle );
 236                 $tpl->set( 'pageclass', $this->getPageClasses( $this->mTitle ) );
 237                 $tpl->set( 'skinnameclass', ( 'skin-' . Sanitizer::escapeClass( $this->getSkinName() ) ) );
 238
 239                 $nsname = MWNamespace::exists( $this->mTitle->getNamespace() ) ?
 240                                         MWNamespace::getCanonicalName( $this->mTitle->getNamespace() ) :
 241                                         $this->mTitle->getNsText();
 242
 243                 $tpl->set( 'nscanonical', $nsname );
 244                 $tpl->set( 'nsnumber', $this->mTitle->getNamespace() );
 245                 $tpl->set( 'titleprefixeddbkey', $this->mTitle->getPrefixedDBKey() );
 246                 $tpl->set( 'titletext', $this->mTitle->getText() );
 247                 $tpl->set( 'articleid', $this->mTitle->getArticleId() );
 248                 $tpl->set( 'currevisionid', isset( $wgArticle ) ? $wgArticle->getLatest() : 0 );
 249
 250                 $tpl->set( 'isarticle', $out->isArticle() );
 251
 252                 $tpl->setRef( 'thispage', $this->thispage );
 253                 $subpagestr = $this->subPageSubtitle();
 254                 $tpl->set(
 255                         'subtitle', !empty( $subpagestr ) ?
 256                         '<span class="subpages">'.$subpagestr.'</span>'.$out->getSubtitle() :
 257                         $out->getSubtitle()
 258                 );
 259                 $undelete = $this->getUndeleteLink();
 260                 $tpl->set(
 261                         'undelete', !empty( $undelete ) ?
 262                         '<span class="subpages">'.$undelete.'</span>' :
 263                         ''
 264                 );
 265
 266                 $tpl->set( 'catlinks', $this->getCategories() );
 267                 if( $out->isSyndicated() ) {
 268                         $feeds = array();
 269                         foreach( $out->getSyndicationLinks() as $format => $link ) {
 270                                 $feeds[$format] = array(
 271                                         'text' => wfMsg( "feed-$format" ),
 272                                         'href' => $link
 273                                 );
 274                         }
 275                         $tpl->setRef( 'feeds', $feeds );
 276                 } else {
 277                         $tpl->set( 'feeds', false );
 278                 }
 279
 280                 $tpl->setRef( 'mimetype', $wgMimeType );
 281                 $tpl->setRef( 'jsmimetype', $wgJsMimeType );
 282                 $tpl->setRef( 'charset', $wgOutputEncoding );
 283                 $tpl->setRef( 'wgScript', $wgScript );
 284                 $tpl->setRef( 'skinname', $this->skinname );
 285                 $tpl->set( 'skinclass', get_class( $this ) );
 286                 $tpl->setRef( 'stylename', $this->stylename );
 287                 $tpl->set( 'printable', $out->isPrintable() );
 288                 $tpl->set( 'handheld', $wgRequest->getBool( 'handheld' ) );
 289                 $tpl->setRef( 'loggedin', $this->loggedin );
 290                 $tpl->set( 'notspecialpage', $this->mTitle->getNamespace() != NS_SPECIAL );
 291                 /* XXX currently unused, might get useful later
 292                 $tpl->set( "editable", ($this->mTitle->getNamespace() != NS_SPECIAL ) );
 293                 $tpl->set( "exists", $this->mTitle->getArticleID() != 0 );
 294                 $tpl->set( "watch", $this->mTitle->userIsWatching() ? "unwatch" : "watch" );
 295                 $tpl->set( "protect", count($this->mTitle->isProtected()) ? "unprotect" : "protect" );
 296                 $tpl->set( "helppage", wfMsg('helppage'));
 297                 */
 298                 $tpl->set( 'searchaction', $this->escapeSearchLink() );
 299                 $tpl->set( 'searchtitle', SpecialPage::getTitleFor( 'Search' )->getPrefixedDBKey() );
 300                 $tpl->set( 'search', trim( $wgRequest->getVal( 'search' ) ) );
 301                 $tpl->setRef( 'stylepath', $wgStylePath );
 302                 $tpl->setRef( 'articlepath', $wgArticlePath );
 303                 $tpl->setRef( 'scriptpath', $wgScriptPath );
 304                 $tpl->setRef( 'serverurl', $wgServer );
 305                 $tpl->setRef( 'logopath', $wgLogo );
 306
 307                 $lang = wfUILang();
 308                 $tpl->set( 'lang', $lang->getCode() );
 309                 $tpl->set( 'dir', $lang->getDir() );
 310                 $tpl->set( 'rtl', $lang->isRTL() );
 311
 312                 $tpl->set( 'capitalizeallnouns', $wgLang->capitalizeAllNouns() ? ' capitalize-all-nouns' : '' );
 313                 $tpl->set( 'showjumplinks', $wgUser->getOption( 'showjumplinks' ) );
 314                 $tpl->set( 'username', $wgUser->isAnon() ? null : $this->username );
 315                 $tpl->setRef( 'userpage', $this->userpage );
 316                 $tpl->setRef( 'userpageurl', $this->userpageUrlDetails['href'] );
 317                 $tpl->set( 'userlang', $wgLang->getCode() );
 318
 319                 // Users can have their language set differently than the
 320                 // content of the wiki. For these users, tell the web browser
 321                 // that interface elements are in a different language.
 322                 $tpl->set( 'userlangattributes', '' );
 323                 $tpl->set( 'specialpageattributes', '' );
 324
 325                 $lang = $wgLang->getCode();
 326                 $dir  = $wgLang->getDir();
 327                 if ( $lang !== $wgContLang->getCode() || $dir !== $wgContLang->getDir() ) {
 328                         $attrs = " lang='$lang' dir='$dir'";
 329
 330                         $tpl->set( 'userlangattributes', $attrs );
 331
 332                         // The content of SpecialPages should be presented in the
 333                         // user's language. Content of regular pages should not be touched.
 334                         if( $this->mTitle->isSpecialPage() ) {
 335                                 $tpl->set( 'specialpageattributes', $attrs );
 336                         }
 337                 }
 338
 339                 $newtalks = $this->getNewtalks();
 340
 341                 wfProfileOut( __METHOD__ . '-stuff2' );
 342
 343                 wfProfileIn( __METHOD__ . '-stuff3' );
 344                 $tpl->setRef( 'newtalk', $newtalks );
 345                 $tpl->setRef( 'skin', $this );
 346                 $tpl->set( 'logo', $this->logoText() );
 347                 if ( $out->isArticle() and ( !isset( $oldid ) or isset( $diff ) ) and
 348                         $wgArticle and 0 != $wgArticle->getID() ){
 349                         if ( !$wgDisableCounters ) {
 350                                 $viewcount = $wgLang->formatNum( $wgArticle->getCount() );
 351                                 if ( $viewcount ) {
 352                                         $tpl->set( 'viewcount', wfMsgExt( 'viewcount', array( 'parseinline' ), $viewcount ) );
 353                                 } else {
 354                                         $tpl->set( 'viewcount', false );
 355                                 }
 356                         } else {
 357                                 $tpl->set( 'viewcount', false );
 358                         }
 359
 360                         if( $wgPageShowWatchingUsers ) {
 361                                 $dbr = wfGetDB( DB_SLAVE );
 362                                 $watchlist = $dbr->tableName( 'watchlist' );
 363                                 $res = $dbr->select( 'watchlist',
 364                                         array( 'COUNT(*) AS n' ),
 365                                         array( 'wl_title' => $dbr->strencode( $this->mTitle->getDBkey() ), 'wl_namespace' => $this->mTitle->getNamespace() ),
 366                                         __METHOD__
 367                                 );
 368                                 $x = $dbr->fetchObject( $res );
 369                                 $numberofwatchingusers = $x->n;
 370                                 if( $numberofwatchingusers > 0 ) {
 371                                         $tpl->set( 'numberofwatchingusers',
 372                                                 wfMsgExt( 'number_of_watching_users_pageview', array( 'parseinline' ),
 373                                                 $wgLang->formatNum( $numberofwatchingusers ) )
 374                                         );
 375                                 } else {
 376                                         $tpl->set( 'numberofwatchingusers', false );
 377                                 }
 378                         } else {
 379                                 $tpl->set( 'numberofwatchingusers', false );
 380                         }
 381
 382                         $tpl->set( 'copyright', $this->getCopyright() );
 383
 384                         $this->credits = false;
 385
 386                         if( $wgMaxCredits != 0 ){
 387                                 $this->credits = Credits::getCredits( $wgArticle, $wgMaxCredits, $wgShowCreditsIfMax );
 388                         } else {
 389                                 $tpl->set( 'lastmod', $this->lastModified() );
 390                         }
 391
 392                         $tpl->setRef( 'credits', $this->credits );
 393
 394                 } elseif ( isset( $oldid ) && !isset( $diff ) ) {
 395                         $tpl->set( 'copyright', $this->getCopyright() );
 396                         $tpl->set( 'viewcount', false );
 397                         $tpl->set( 'lastmod', false );
 398                         $tpl->set( 'credits', false );
 399                         $tpl->set( 'numberofwatchingusers', false );
 400                 } else {
 401                         $tpl->set( 'copyright', false );
 402                         $tpl->set( 'viewcount', false );
 403                         $tpl->set( 'lastmod', false );
 404                         $tpl->set( 'credits', false );
 405                         $tpl->set( 'numberofwatchingusers', false );
 406                 }
 407                 wfProfileOut( __METHOD__ . '-stuff3' );
 408
 409                 wfProfileIn( __METHOD__ . '-stuff4' );
 410                 $tpl->set( 'copyrightico', $this->getCopyrightIcon() );
 411                 $tpl->set( 'poweredbyico', $this->getPoweredBy() );
 412                 $tpl->set( 'disclaimer', $this->disclaimerLink() );
 413                 $tpl->set( 'privacy', $this->privacyLink() );
 414                 $tpl->set( 'about', $this->aboutLink() );
 415
 416                 if ( $wgDebugComments ) {
 417                         $tpl->setRef( 'debug', $out->mDebugtext );
 418                 } else {
 419                         $tpl->set( 'debug', '' );
 420                 }
 421
 422                 $tpl->set( 'reporttime', wfReportTime() );
 423                 $tpl->set( 'sitenotice', wfGetSiteNotice() );
 424                 $tpl->set( 'bottomscripts', $this->bottomScripts() );
 425
 426                 $printfooter = "<div class=\"printfooter\">\n" . $this->printSource() . "</div>\n";
 427                 global $wgBetterDirectionality;
 428                 if ( $wgBetterDirectionality ) {
 429                         $realBodyAttribs = array( 'lang' => $wgContLanguageCode, 'dir' => $wgContLang->getDir() );
 430                         $out->mBodytext = Html::rawElement( 'div', $realBodyAttribs, $out->mBodytext );
 431                 }
 432                 $out->mBodytext .= $printfooter . $this->generateDebugHTML();
 433                 $tpl->setRef( 'bodytext', $out->mBodytext );
 434
 435                 # Language links
 436                 $language_urls = array();
 437
 438                 if ( !$wgHideInterlanguageLinks ) {
 439                         foreach( $out->getLanguageLinks() as $l ) {
 440                                 $tmp = explode( ':', $l, 2 );
 441                                 $class = 'interwiki-' . $tmp[0];
 442                                 unset( $tmp );
 443                                 $nt = Title::newFromText( $l );
 444                                 if ( $nt ) {
 445                                         $language_urls[] = array(
 446                                                 'href' => $nt->getFullURL(),
 447                                                 'text' => ( $wgContLang->getLanguageName( $nt->getInterwiki() ) != '' ?
 448                                                                         $wgContLang->getLanguageName( $nt->getInterwiki() ) : $l ),
 449                                                 'title' => $nt->getText(),
 450                                                 'class' => $class
 451                                         );
 452                                 }
 453                         }
 454                 }
 455                 if( count( $language_urls ) ) {
 456                         $tpl->setRef( 'language_urls', $language_urls );
 457                 } else {
 458                         $tpl->set( 'language_urls', false );
 459                 }
 460                 wfProfileOut( __METHOD__ . '-stuff4' );
 461
 462                 wfProfileIn( __METHOD__ . '-stuff5' );
 463                 # Personal toolbar
 464                 $tpl->set( 'personal_urls', $this->buildPersonalUrls() );
 465                 $content_actions = $this->buildContentActionUrls();
 466                 $tpl->setRef( 'content_actions', $content_actions );
 467
 468                 $tpl->set( 'sidebar', $this->buildSidebar() );
 469                 $tpl->set( 'nav_urls', $this->buildNavUrls() );
 470
 471                 // Set the head scripts near the end, in case the above actions resulted in added scripts
 472                 if ( $this->useHeadElement ) {
 473                         $tpl->set( 'headelement', $out->headElement( $this ) );
 474                 } else {
 475                         $tpl->set( 'headscripts', $out->getScript() );
 476                 }
 477
 478                 // original version by hansm
 479                 if( !wfRunHooks( 'SkinTemplateOutputPageBeforeExec', array( &$this, &$tpl ) ) ) {
 480                         wfDebug( __METHOD__ . ": Hook SkinTemplateOutputPageBeforeExec broke outputPage execution!\n" );
 481                 }
 482
 483                 // allow extensions adding stuff after the page content.
 484                 // See Skin::afterContentHook() for further documentation.
 485                 $tpl->set( 'dataAfterContent', $this->afterContentHook() );
 486                 wfProfileOut( __METHOD__ . '-stuff5' );
 487
 488                 // execute template
 489                 wfProfileIn( __METHOD__ . '-execute' );
 490                 $res = $tpl->execute();
 491                 wfProfileOut( __METHOD__ . '-execute' );
 492
 493                 // result may be an error
 494                 $this->printOrError( $res );
 495                 wfProfileOut( __METHOD__ );
 496         }
 497
 498         /**
 499          * Output the string, or print error message if it's
 500          * an error object of the appropriate type.
 501          * For the base class, assume strings all around.
 502          *
 503          * @param $str Mixed
 504          * @private
 505          */
 506         function printOrError( $str ) {
 507                 echo $str;
 508         }
 509
 510         /**
 511          * build array of urls for personal toolbar
 512          * @return array
 513          * @private
 514          */
 515         function buildPersonalUrls() {
 516                 global $wgOut, $wgRequest;
 517
 518                 $title = $wgOut->getTitle();
 519                 $pageurl = $title->getLocalURL();
 520                 wfProfileIn( __METHOD__ );
 521
 522                 /* set up the default links for the personal toolbar */
 523                 $personal_urls = array();
 524                 $page = $wgRequest->getVal( 'returnto', $this->thisurl );
 525                 $query = $wgRequest->getVal( 'returntoquery', $this->thisquery );
 526                 $returnto = "returnto=$page";
 527                 if( $this->thisquery != '' )
 528                         $returnto .= "&returntoquery=$query";
 529                 if( $this->loggedin ) {
 530                         $personal_urls['userpage'] = array(
 531                                 'text' => $this->username,
 532                                 'href' => &$this->userpageUrlDetails['href'],
 533                                 'class' => $this->userpageUrlDetails['exists'] ? false : 'new',
 534                                 'active' => ( $this->userpageUrlDetails['href'] == $pageurl )
 535                         );
 536                         $usertalkUrlDetails = $this->makeTalkUrlDetails( $this->userpage );
 537                         $personal_urls['mytalk'] = array(
 538                                 'text' => wfMsg( 'mytalk' ),
 539                                 'href' => &$usertalkUrlDetails['href'],
 540                                 'class' => $usertalkUrlDetails['exists'] ? false : 'new',
 541                                 'active' => ( $usertalkUrlDetails['href'] == $pageurl )
 542                         );
 543                         $href = self::makeSpecialUrl( 'Preferences' );
 544                         $personal_urls['preferences'] = array(
 545                                 'text' => wfMsg( 'mypreferences' ),
 546                                 'href' => $href,
 547                                 'active' => ( $href == $pageurl )
 548                         );
 549                         $href = self::makeSpecialUrl( 'Watchlist' );
 550                         $personal_urls['watchlist'] = array(
 551                                 'text' => wfMsg( 'mywatchlist' ),
 552                                 'href' => $href,
 553                                 'active' => ( $href == $pageurl )
 554                         );
 555
 556                         # We need to do an explicit check for Special:Contributions, as we
 557                         # have to match both the title, and the target (which could come
 558                         # from request values or be specified in "sub page" form. The plot
 559                         # thickens, because $wgTitle is altered for special pages, so doesn't
 560                         # contain the original alias-with-subpage.
 561                         $origTitle = Title::newFromText( $wgRequest->getText( 'title' ) );
 562                         if( $origTitle instanceof Title && $origTitle->getNamespace() == NS_SPECIAL ) {
 563                                 list( $spName, $spPar ) =
 564                                         SpecialPage::resolveAliasWithSubpage( $origTitle->getText() );
 565                                 $active = $spName == 'Contributions'
 566                                         && ( ( $spPar && $spPar == $this->username )
 567                                                 || $wgRequest->getText( 'target' ) == $this->username );
 568                         } else {
 569                                 $active = false;
 570                         }
 571
 572                         $href = self::makeSpecialUrlSubpage( 'Contributions', $this->username );
 573                         $personal_urls['mycontris'] = array(
 574                                 'text' => wfMsg( 'mycontris' ),
 575                                 'href' => $href,
 576                                 'active' => $active
 577                         );
 578                         $personal_urls['logout'] = array(
 579                                 'text' => wfMsg( 'userlogout' ),
 580                                 'href' => self::makeSpecialUrl( 'Userlogout',
 581                                         $title->isSpecial( 'Preferences' ) ? '' : $returnto
 582                                 ),
 583                                 'active' => false
 584                         );
 585                 } else {
 586                         global $wgUser;
 587                         $loginlink = $wgUser->isAllowed( 'createaccount' )
 588                                 ? 'nav-login-createaccount'
 589                                 : 'login';
 590                         if( $this->showIPinHeader() ) {
 591                                 $href = &$this->userpageUrlDetails['href'];
 592                                 $personal_urls['anonuserpage'] = array(
 593                                         'text' => $this->username,
 594                                         'href' => $href,
 595                                         'class' => $this->userpageUrlDetails['exists'] ? false : 'new',
 596                                         'active' => ( $pageurl == $href )
 597                                 );
 598                                 $usertalkUrlDetails = $this->makeTalkUrlDetails( $this->userpage );
 599                                 $href = &$usertalkUrlDetails['href'];
 600                                 $personal_urls['anontalk'] = array(
 601                                         'text' => wfMsg( 'anontalk' ),
 602                                         'href' => $href,
 603                                         'class' => $usertalkUrlDetails['exists'] ? false : 'new',
 604                                         'active' => ( $pageurl == $href )
 605                                 );
 606                                 $personal_urls['anonlogin'] = array(
 607                                         'text' => wfMsg( $loginlink ),
 608                                         'href' => self::makeSpecialUrl( 'Userlogin', $returnto ),
 609                                         'active' => $title->isSpecial( 'Userlogin' )
 610                                 );
 611                         } else {
 612                                 $personal_urls['login'] = array(
 613                                         'text' => wfMsg( $loginlink ),
 614                                         'href' => self::makeSpecialUrl( 'Userlogin', $returnto ),
 615                                         'active' => $title->isSpecial( 'Userlogin' )
 616                                 );
 617                         }
 618                 }
 619
 620                 wfRunHooks( 'PersonalUrls', array( &$personal_urls, &$title ) );
 621                 wfProfileOut( __METHOD__ );
 622                 return $personal_urls;
 623         }
 624
 625         function tabAction( $title, $message, $selected, $query = '', $checkEdit = false ) {
 626                 $classes = array();
 627                 if( $selected ) {
 628                         $classes[] = 'selected';
 629                 }
 630                 if( $checkEdit && !$title->isKnown() ) {
 631                         $classes[] = 'new';
 632                         $query = 'action=edit&redlink=1';
 633                 }
 634
 635                 $text = wfMsg( $message );
 636                 if ( wfEmptyMsg( $message, $text ) ) {
 637                         global $wgContLang;
 638                         $text = $wgContLang->getFormattedNsText( MWNamespace::getSubject( $title->getNamespace() ) );
 639                 }
 640
 641                 $result = array();
 642                 if( !wfRunHooks( 'SkinTemplateTabAction', array( &$this,
 643                                 $title, $message, $selected, $checkEdit,
 644                                 &$classes, &$query, &$text, &$result ) ) ) {
 645                         return $result;
 646                 }
 647
 648                 return array(
 649                         'class' => implode( ' ', $classes ),
 650                         'text' => $text,
 651                         'href' => $title->getLocalUrl( $query ) );
 652         }
 653
 654         function makeTalkUrlDetails( $name, $urlaction = '' ) {
 655                 $title = Title::newFromText( $name );
 656                 if( !is_object( $title ) ) {
 657                         throw new MWException( __METHOD__ . " given invalid pagename $name" );
 658                 }
 659                 $title = $title->getTalkPage();
 660                 self::checkTitle( $title, $name );
 661                 return array(
 662                         'href' => $title->getLocalURL( $urlaction ),
 663                         'exists' => $title->getArticleID() != 0 ? true : false
 664                 );
 665         }
 666
 667         function makeArticleUrlDetails( $name, $urlaction = '' ) {
 668                 $title = Title::newFromText( $name );
 669                 $title= $title->getSubjectPage();
 670                 self::checkTitle( $title, $name );
 671                 return array(
 672                         'href' => $title->getLocalURL( $urlaction ),
 673                         'exists' => $title->getArticleID() != 0 ? true : false
 674                 );
 675         }
 676
 677         /**
 678          * an array of edit links by default used for the tabs
 679          * @return array
 680          * @private
 681          */
 682         function buildContentActionUrls() {
 683                 global $wgContLang, $wgLang, $wgOut, $wgUser, $wgRequest, $wgArticle;
 684
 685                 wfProfileIn( __METHOD__ );
 686
 687                 $action = $wgRequest->getVal( 'action', 'view' );
 688                 $section = $wgRequest->getVal( 'section' );
 689                 $content_actions = array();
 690
 691                 $prevent_active_tabs = false;
 692                 wfRunHooks( 'SkinTemplatePreventOtherActiveTabs', array( &$this, &$prevent_active_tabs ) );
 693
 694                 if( $this->iscontent ) {
 695                         $subjpage = $this->mTitle->getSubjectPage();
 696                         $talkpage = $this->mTitle->getTalkPage();
 697
 698                         $nskey = $this->mTitle->getNamespaceKey();
 699                         $content_actions[$nskey] = $this->tabAction(
 700                                 $subjpage,
 701                                 $nskey,
 702                                 !$this->mTitle->isTalkPage() && !$prevent_active_tabs,
 703                                 '', true
 704                         );
 705
 706                         $content_actions['talk'] = $this->tabAction(
 707                                 $talkpage,
 708                                 'talk',
 709                                 $this->mTitle->isTalkPage() && !$prevent_active_tabs,
 710                                 '',
 711                                 true
 712                         );
 713
 714                         wfProfileIn( __METHOD__ . '-edit' );
 715                         if ( $this->mTitle->quickUserCan( 'edit' ) && ( $this->mTitle->exists() || $this->mTitle->quickUserCan( 'create' ) ) ) {
 716                                 $istalk = $this->mTitle->isTalkPage();
 717                                 $istalkclass = $istalk?' istalk':'';
 718                                 $content_actions['edit'] = array(
 719                                         'class' => ( ( ( $action == 'edit' or $action == 'submit' ) and $section != 'new' ) ? 'selected' : '' ) . $istalkclass,
 720                                         'text' => ( $this->mTitle->exists() || ( $this->mTitle->getNamespace() == NS_MEDIAWIKI && !wfEmptyMsg( $this->mTitle->getText() ) ) )
 721                                                 ? wfMsg( 'edit' )
 722                                                 : wfMsg( 'create' ),
 723                                         'href' => $this->mTitle->getLocalUrl( $this->editUrlOptions() )
 724                                 );
 725
 726                                 // adds new section link if page is a current revision of a talk page or
 727                                 if ( ( $wgArticle && $wgArticle->isCurrent() && $istalk ) || $wgOut->showNewSectionLink() ) {
 728                                         if ( !$wgOut->forceHideNewSectionLink() ) {
 729                                                 $content_actions['addsection'] = array(
 730                                                         'class' => $section == 'new' ? 'selected' : false,
 731                                                         'text' => wfMsg( 'addsection' ),
 732                                                         'href' => $this->mTitle->getLocalUrl( 'action=edit&section=new' )
 733                                                 );
 734                                         }
 735                                 }
 736                         } elseif ( $this->mTitle->hasSourceText() ) {
 737                                 $content_actions['viewsource'] = array(
 738                                         'class' => ($action == 'edit') ? 'selected' : false,
 739                                         'text' => wfMsg( 'viewsource' ),
 740                                         'href' => $this->mTitle->getLocalUrl( $this->editUrlOptions() )
 741                                 );
 742                         }
 743                         wfProfileOut( __METHOD__ . '-edit' );
 744
 745                         wfProfileIn( __METHOD__ . '-live' );
 746                         if ( $this->mTitle->exists() ) {
 747
 748                                 $content_actions['history'] = array(
 749                                         'class' => ($action == 'history') ? 'selected' : false,
 750                                         'text' => wfMsg( 'history_short' ),
 751                                         'href' => $this->mTitle->getLocalUrl( 'action=history' ),
 752                                         'rel' => 'archives',
 753                                 );
 754
 755                                 if( $wgUser->isAllowed( 'delete' ) ) {
 756                                         $content_actions['delete'] = array(
 757                                                 'class' => ($action == 'delete') ? 'selected' : false,
 758                                                 'text' => wfMsg( 'delete' ),
 759                                                 'href' => $this->mTitle->getLocalUrl( 'action=delete' )
 760                                         );
 761                                 }
 762                                 if ( $this->mTitle->quickUserCan( 'move' ) ) {
 763                                         $moveTitle = SpecialPage::getTitleFor( 'Movepage', $this->thispage );
 764                                         $content_actions['move'] = array(
 765                                                 'class' => $this->mTitle->isSpecial( 'Movepage' ) ? 'selected' : false,
 766                                                 'text' => wfMsg( 'move' ),
 767                                                 'href' => $moveTitle->getLocalUrl()
 768                                         );
 769                                 }
 770
 771                                 if ( $this->mTitle->getNamespace() !== NS_MEDIAWIKI && $wgUser->isAllowed( 'protect' ) ) {
 772                                         if( !$this->mTitle->isProtected() ){
 773                                                 $content_actions['protect'] = array(
 774                                                         'class' => ($action == 'protect') ? 'selected' : false,
 775                                                         'text' => wfMsg( 'protect' ),
 776                                                         'href' => $this->mTitle->getLocalUrl( 'action=protect' )
 777                                                 );
 778
 779                                         } else {
 780                                                 $content_actions['unprotect'] = array(
 781                                                         'class' => ($action == 'unprotect') ? 'selected' : false,
 782                                                         'text' => wfMsg( 'unprotect' ),
 783                                                         'href' => $this->mTitle->getLocalUrl( 'action=unprotect' )
 784                                                 );
 785                                         }
 786                                 }
 787                         } else {
 788                                 //article doesn't exist or is deleted
 789                                 if( $wgUser->isAllowed( 'deletedhistory' ) && $wgUser->isAllowed( 'deletedtext' ) ) {
 790                                         if( $n = $this->mTitle->isDeleted() ) {
 791                                                 $undelTitle = SpecialPage::getTitleFor( 'Undelete' );
 792                                                 $content_actions['undelete'] = array(
 793                                                         'class' => false,
 794                                                         'text' => wfMsgExt( 'undelete_short', array( 'parsemag' ), $wgLang->formatNum( $n ) ),
 795                                                         'href' => $undelTitle->getLocalUrl( 'target=' . urlencode( $this->thispage ) )
 796                                                         #'href' => self::makeSpecialUrl( "Undelete/$this->thispage" )
 797                                                 );
 798                                         }
 799                                 }
 800
 801                                 if ( $this->mTitle->getNamespace() !== NS_MEDIAWIKI && $wgUser->isAllowed( 'protect' ) ) {
 802                                         if( !$this->mTitle->getRestrictions( 'create' ) ) {
 803                                                 $content_actions['protect'] = array(
 804                                                         'class' => ($action == 'protect') ? 'selected' : false,
 805                                                         'text' => wfMsg( 'protect' ),
 806                                                         'href' => $this->mTitle->getLocalUrl( 'action=protect' )
 807                                                 );
 808
 809                                         } else {
 810                                                 $content_actions['unprotect'] = array(
 811                                                         'class' => ($action == 'unprotect') ? 'selected' : false,
 812                                                         'text' => wfMsg( 'unprotect' ),
 813                                                         'href' => $this->mTitle->getLocalUrl( 'action=unprotect' )
 814                                                 );
 815                                         }
 816                                 }
 817                         }
 818
 819                         wfProfileOut( __METHOD__ . '-live' );
 820
 821                         if( $this->loggedin ) {
 822                                 if( !$this->mTitle->userIsWatching()) {
 823                                         $content_actions['watch'] = array(
 824                                                 'class' => ($action == 'watch' or $action == 'unwatch') ? 'selected' : false,
 825                                                 'text' => wfMsg( 'watch' ),
 826                                                 'href' => $this->mTitle->getLocalUrl( 'action=watch' )
 827                                         );
 828                                 } else {
 829                                         $content_actions['unwatch'] = array(
 830                                                 'class' => ($action == 'unwatch' or $action == 'watch') ? 'selected' : false,
 831                                                 'text' => wfMsg( 'unwatch' ),
 832                                                 'href' => $this->mTitle->getLocalUrl( 'action=unwatch' )
 833                                         );
 834                                 }
 835                         }
 836
 837
 838                         wfRunHooks( 'SkinTemplateTabs', array( $this, &$content_actions ) );
 839                 } else {
 840                         /* show special page tab */
 841
 842                         $content_actions[$this->mTitle->getNamespaceKey()] = array(
 843                                 'class' => 'selected',
 844                                 'text' => wfMsg('nstab-special'),
 845                                 'href' => $wgRequest->getRequestURL(), // @bug 2457, 2510
 846                         );
 847
 848                         wfRunHooks( 'SkinTemplateBuildContentActionUrlsAfterSpecialPage', array( &$this, &$content_actions ) );
 849                 }
 850
 851                 /* show links to different language variants */
 852                 global $wgDisableLangConversion;
 853                 $variants = $wgContLang->getVariants();
 854                 if( !$wgDisableLangConversion && sizeof( $variants ) > 1 ) {
 855                         $preferred = $wgContLang->getPreferredVariant();
 856                         $vcount=0;
 857                         foreach( $variants as $code ) {
 858                                 $varname = $wgContLang->getVariantname( $code );
 859                                 if( $varname == 'disable' )
 860                                         continue;
 861                                 $selected = ( $code == $preferred )? 'selected' : false;
 862                                 $content_actions['varlang-' . $vcount] = array(
 863                                         'class' => $selected,
 864                                         'text' => $varname,
 865                                         'href' => $this->mTitle->getLocalURL( '', $code )
 866                                 );
 867                                 $vcount ++;
 868                         }
 869                 }
 870
 871                 wfRunHooks( 'SkinTemplateContentActions', array( &$content_actions ) );
 872
 873                 wfProfileOut( __METHOD__ );
 874                 return $content_actions;
 875         }
 876
 877         /**
 878          * build array of common navigation links
 879          * @return array
 880          * @private
 881          */
 882         function buildNavUrls() {
 883                 global $wgUseTrackbacks, $wgOut, $wgUser, $wgRequest;
 884                 global $wgUploadNavigationUrl;
 885
 886                 wfProfileIn( __METHOD__ );
 887
 888                 $action = $wgRequest->getVal( 'action', 'view' );
 889
 890                 $nav_urls = array();
 891                 $nav_urls['mainpage'] = array( 'href' => self::makeMainPageUrl() );
 892                 if( $wgUploadNavigationUrl ) {
 893                         $nav_urls['upload'] = array( 'href' => $wgUploadNavigationUrl );
 894                 } elseif( UploadBase::isEnabled() && UploadBase::isAllowed( $wgUser ) === true ) {
 895                         $nav_urls['upload'] = array( 'href' => self::makeSpecialUrl( 'Upload' ) );
 896                 } else {
 897                         $nav_urls['upload'] = false;
 898                 }
 899                 $nav_urls['specialpages'] = array( 'href' => self::makeSpecialUrl( 'Specialpages' ) );
 900
 901                 // default permalink to being off, will override it as required below.
 902                 $nav_urls['permalink'] = false;
 903
 904                 // A print stylesheet is attached to all pages, but nobody ever
 905                 // figures that out. :)  Add a link...
 906                 if( $this->iscontent && ( $action == 'view' || $action == 'purge' ) ) {
 907                         if ( !$wgOut->isPrintable() ) {
 908                                 $nav_urls['print'] = array(
 909                                         'text' => wfMsg( 'printableversion' ),
 910                                         'href' => $wgRequest->appendQuery( 'printable=yes' )
 911                                 );
 912                         }
 913
 914                         // Also add a "permalink" while we're at it
 915                         if ( $this->mRevisionId ) {
 916                                 $nav_urls['permalink'] = array(
 917                                         'text' => wfMsg( 'permalink' ),
 918                                         'href' => $wgOut->getTitle()->getLocalURL( "oldid=$this->mRevisionId" )
 919                                 );
 920                         }
 921
 922                         // Copy in case this undocumented, shady hook tries to mess with internals
 923                         $revid = $this->mRevisionId;
 924                         wfRunHooks( 'SkinTemplateBuildNavUrlsNav_urlsAfterPermalink', array( &$this, &$nav_urls, &$revid, &$revid ) );
 925                 }
 926
 927                 if( $this->mTitle->getNamespace() != NS_SPECIAL ) {
 928                         $wlhTitle = SpecialPage::getTitleFor( 'Whatlinkshere', $this->thispage );
 929                         $nav_urls['whatlinkshere'] = array(
 930                                 'href' => $wlhTitle->getLocalUrl()
 931                         );
 932                         if( $this->mTitle->getArticleId() ) {
 933                                 $rclTitle = SpecialPage::getTitleFor( 'Recentchangeslinked', $this->thispage );
 934                                 $nav_urls['recentchangeslinked'] = array(
 935                                         'href' => $rclTitle->getLocalUrl()
 936                                 );
 937                         } else {
 938                                 $nav_urls['recentchangeslinked'] = false;
 939                         }
 940                         if( $wgUseTrackbacks )
 941                                 $nav_urls['trackbacklink'] = array(
 942                                         'href' => $wgOut->getTitle()->trackbackURL()
 943                                 );
 944                 }
 945
 946                 if( $this->mTitle->getNamespace() == NS_USER || $this->mTitle->getNamespace() == NS_USER_TALK ) {
 947                         $parts = explode( '/', $this->mTitle->getText() );
 948                         $rootUser = $parts[0];
 949                         $id = User::idFromName( $rootUser );
 950                         $ip = User::isIP( $rootUser );
 951                 } else {
 952                         $id = 0;
 953                         $ip = false;
 954                 }
 955
 956                 if( $id || $ip ) { # both anons and non-anons have contribs list
 957                         $nav_urls['contributions'] = array(
 958                                 'href' => self::makeSpecialUrlSubpage( 'Contributions', $rootUser )
 959                         );
 960
 961                         if( $id ) {
 962                                 $logPage = SpecialPage::getTitleFor( 'Log' );
 963                                 $nav_urls['log'] = array(
 964                                         'href' => $logPage->getLocalUrl(
 965                                                 array(
 966                                                         'user' => $rootUser
 967                                                 )
 968                                         )
 969                                 );
 970                         } else {
 971                                 $nav_urls['log'] = false;
 972                         }
 973
 974                         if ( $wgUser->isAllowed( 'block' ) ) {
 975                                 $nav_urls['blockip'] = array(
 976                                         'href' => self::makeSpecialUrlSubpage( 'Blockip', $rootUser )
 977                                 );
 978                         } else {
 979                                 $nav_urls['blockip'] = false;
 980                         }
 981                 } else {
 982                         $nav_urls['contributions'] = false;
 983                         $nav_urls['log'] = false;
 984                         $nav_urls['blockip'] = false;
 985                 }
 986                 $nav_urls['emailuser'] = false;
 987                 if( $this->showEmailUser( $id ) ) {
 988                         $nav_urls['emailuser'] = array(
 989                                 'href' => self::makeSpecialUrlSubpage( 'Emailuser', $rootUser )
 990                         );
 991                 }
 992                 wfProfileOut( __METHOD__ );
 993                 return $nav_urls;
 994         }
 995
 996         /**
 997          * Generate strings used for xml 'id' names
 998          * @return string
 999          * @private
1000          */
1001         function getNameSpaceKey() {
1002                 return $this->mTitle->getNamespaceKey();
1003         }
1004
1005         /**
1006          * @private
1007          */
1008         function setupUserJs( $allowUserJs ) {
1009                 global $wgRequest, $wgJsMimeType;
1010                 wfProfileIn( __METHOD__ );
1011
1012                 $action = $wgRequest->getVal( 'action', 'view' );
1013
1014                 if( $allowUserJs && $this->loggedin ) {
1015                         if( $this->mTitle->isJsSubpage() and $this->userCanPreview( $action ) ) {
1016                                 # XXX: additional security check/prompt?
1017                                 $this->userjsprev = '/*<![CDATA[*/ ' . $wgRequest->getText( 'wpTextbox1' ) . ' /*]]>*/';
1018                         } else {
1019                                 $this->userjs = self::makeUrl( $this->userpage . '/' . $this->skinname . '.js', 'action=raw&ctype=' . $wgJsMimeType );
1020                         }
1021                 }
1022                 wfProfileOut( __METHOD__ );
1023         }
1024
1025         /**
1026          * Code for extensions to hook into to provide per-page CSS, see
1027          * extensions/PageCSS/PageCSS.php for an implementation of this.
1028          *
1029          * @private
1030          */
1031         function setupPageCss() {
1032                 wfProfileIn( __METHOD__ );
1033                 $out = false;
1034                 wfRunHooks( 'SkinTemplateSetupPageCss', array( &$out ) );
1035                 wfProfileOut( __METHOD__ );
1036                 return $out;
1037         }
1038
1039         public function commonPrintStylesheet() {
1040                 return false;
1041         }
1042 }
1043
1044 /**
1045  * Generic wrapper for template functions, with interface
1046  * compatible with what we use of PHPTAL 0.7.
1047  * @ingroup Skins
1048  */
1049 abstract class QuickTemplate {
1050         /**
1051          * Constructor
1052          */
1053         public function QuickTemplate() {
1054                 $this->data = array();
1055                 $this->translator = new MediaWiki_I18N();
1056         }
1057
1058         /**
1059          * Sets the value $value to $name
1060          * @param $name
1061          * @param $value
1062          */
1063         public function set( $name, $value ) {
1064                 $this->data[$name] = $value;
1065         }
1066
1067         /**
1068          * @param $name
1069          * @param $value
1070          */
1071         public function setRef( $name, &$value ) {
1072                 $this->data[$name] =& $value;
1073         }
1074
1075         /**
1076          * @param $t
1077          */
1078         public function setTranslator( &$t ) {
1079                 $this->translator = &$t;
1080         }
1081
1082         /**
1083          * Main function, used by classes that subclass QuickTemplate
1084          * to show the actual HTML output
1085          */
1086         abstract public function execute();
1087
1088         /**
1089          * @private
1090          */
1091         function text( $str ) {
1092                 echo htmlspecialchars( $this->data[$str] );
1093         }
1094
1095         /**
1096          * @private
1097          */
1098         function jstext( $str ) {
1099                 echo Xml::escapeJsString( $this->data[$str] );
1100         }
1101
1102         /**
1103          * @private
1104          */
1105         function html( $str ) {
1106                 echo $this->data[$str];
1107         }
1108
1109         /**
1110          * @private
1111          */
1112         function msg( $str ) {
1113                 echo htmlspecialchars( $this->translator->translate( $str ) );
1114         }
1115
1116         /**
1117          * @private
1118          */
1119         function msgHtml( $str ) {
1120                 echo $this->translator->translate( $str );
1121         }
1122
1123         /**
1124          * An ugly, ugly hack.
1125          * @private
1126          */
1127         function msgWiki( $str ) {
1128                 global $wgParser, $wgOut;
1129
1130                 $text = $this->translator->translate( $str );
1131                 $parserOutput = $wgParser->parse( $text, $wgOut->getTitle(),
1132                         $wgOut->parserOptions(), true );
1133                 echo $parserOutput->getText();
1134         }
1135
1136         /**
1137          * @private
1138          */
1139         function haveData( $str ) {
1140                 return isset( $this->data[$str] );
1141         }
1142
1143         /**
1144          * @private
1145          */
1146         function haveMsg( $str ) {
1147                 $msg = $this->translator->translate( $str );
1148                 return ( $msg != '-' ) && ( $msg != '' ); # ????
1149         }
1150 }