includes/SkinTemplate.php

   1 <?php
   2 if ( ! defined( 'MEDIAWIKI' ) )
   3         die( 1 );
   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 /**
  21  * Wrapper object for MediaWiki's localization functions,
  22  * to be passed to the template engine.
  23  *
  24  * @private
  25  * @ingroup Skins
  26  */
  27 class MediaWiki_I18N {
  28         var $_context = array();
  29
  30         function set( $varName, $value ) {
  31                 $this->_context[$varName] = $value;
  32         }
  33
  34         function translate( $value ) {
  35                 wfProfileIn( __METHOD__ );
  36
  37                 // Hack for i18n:attributes in PHPTAL 1.0.0 dev version as of 2004-10-23
  38                 $value = preg_replace( '/^string:/', '', $value );
  39
  40                 $value = wfMsg( $value );
  41                 // interpolate variables
  42                 $m = array();
  43                 while( preg_match( '/\$([0-9]*?)/sm', $value, $m ) ) {
  44                         list( $src, $var ) = $m;
  45                         wfSuppressWarnings();
  46                         $varValue = $this->_context[$var];
  47                         wfRestoreWarnings();
  48                         $value = str_replace( $src, $varValue, $value );
  49                 }
  50                 wfProfileOut( __METHOD__ );
  51                 return $value;
  52         }
  53 }
  54
  55 /**
  56  * Template-filler skin base class
  57  * Formerly generic PHPTal (http://phptal.sourceforge.net/) skin
  58  * Based on Brion's smarty skin
  59  * @copyright Copyright © Gabriel Wicke -- http://www.aulinx.de/
  60  *
  61  * @todo Needs some serious refactoring into functions that correspond
  62  * to the computations individual esi snippets need. Most importantly no body
  63  * parsing for most of those of course.
  64  *
  65  * @ingroup Skins
  66  */
  67 class SkinTemplate extends Skin {
  68         /**#@+
  69          * @private
  70          */
  71
  72         /**
  73          * Name of our skin, set in initPage()
  74          * It probably need to be all lower case.
  75          */
  76         var $skinname;
  77
  78         /**
  79          * Stylesheets set to use
  80          * Sub directory in ./skins/ where various stylesheets are located
  81          */
  82         var $stylename;
  83
  84         /**
  85          * For QuickTemplate, the name of the subclass which
  86          * will actually fill the template.
  87          */
  88         var $template;
  89
  90         /**#@-*/
  91
  92         /**
  93          * Setup the base parameters...
  94          * Child classes should override this to set the name,
  95          * style subdirectory, and template filler callback.
  96          *
  97          * @param $out OutputPage
  98          */
  99         function initPage( OutputPage $out ) {
 100                 parent::initPage( $out );
 101                 $this->skinname  = 'monobook';
 102                 $this->stylename = 'monobook';
 103                 $this->template  = 'QuickTemplate';
 104         }
 105
 106         /**
 107          * Add specific styles for this skin
 108          *
 109          * @param $out OutputPage
 110          */
 111         function setupSkinUserCss( OutputPage $out ){
 112                 $out->addStyle( 'common/shared.css', 'screen' );
 113                 $out->addStyle( 'common/commonPrint.css', 'print' );
 114         }
 115         /* add specific javascript the base Skin class */
 116         function setupSkinUserJs( OutputPage $out ){
 117                 global $wgUseSiteJs;
 118                 //use site js:
 119                 if( $wgUseSiteJs ) {
 120                         $jsCache = $this->loggedin ? '&smaxage=0' : '';
 121                         $siteGenScriptFile =  self::makeUrl( '-',
 122                                         "action=raw$jsCache&gen=js&useskin=" .
 123                                                 urlencode( $this->getSkinName() ) ) ;
 124                         $this->jsvarurl = $siteGenScriptFile;
 125                 }
 126         }
 127
 128         /**
 129          * Create the template engine object; we feed it a bunch of data
 130          * and eventually it spits out some HTML. Should have interface
 131          * roughly equivalent to PHPTAL 0.7.
 132          *
 133          * @param $callback string (or file)
 134          * @param $repository string: subdirectory where we keep template files
 135          * @param $cache_dir string
 136          * @return object
 137          * @private
 138          */
 139         function setupTemplate( $classname, $repository = false, $cache_dir = false ) {
 140                 return new $classname();
 141         }
 142
 143         /**
 144          * initialize various variables and generate the template
 145          *
 146          * @param $out OutputPage
 147          */
 148         function outputPage( OutputPage $out ) {
 149                 global $wgArticle, $wgUser, $wgLang, $wgContLang;
 150                 global $wgScript, $wgStylePath, $wgContLanguageCode;
 151                 global $wgMimeType, $wgJsMimeType, $wgOutputEncoding, $wgRequest;
 152                 global $wgXhtmlDefaultNamespace, $wgXhtmlNamespaces;
 153                 global $wgDisableCounters, $wgLogo, $wgHideInterlanguageLinks;
 154                 global $wgMaxCredits, $wgShowCreditsIfMax;
 155                 global $wgPageShowWatchingUsers;
 156                 global $wgUseTrackbacks, $wgUseSiteJs;
 157                 global $wgArticlePath, $wgScriptPath, $wgServer, $wgCanonicalNamespaceNames;
 158
 159                 wfProfileIn( __METHOD__ );
 160
 161                 $oldid = $wgRequest->getVal( 'oldid' );
 162                 $diff = $wgRequest->getVal( 'diff' );
 163                 $action = $wgRequest->getVal( 'action', 'view' );
 164
 165                 wfProfileIn( __METHOD__ . '-init' );
 166                 $this->initPage( $out );
 167
 168                 $this->setMembers();
 169                 $tpl = $this->setupTemplate( $this->template, 'skins' );
 170
 171                 #if ( $wgUseDatabaseMessages ) { // uncomment this to fall back to GetText
 172                 $tpl->setTranslator( new MediaWiki_I18N() );
 173                 #}
 174                 wfProfileOut( __METHOD__ . '-init' );
 175
 176                 wfProfileIn( __METHOD__ . '-stuff' );
 177                 $this->thispage = $this->mTitle->getPrefixedDBkey();
 178                 $this->thisurl = $this->mTitle->getPrefixedURL();
 179                 $query = $wgRequest->getValues();
 180                 unset( $query['title'] );
 181                 $this->thisquery = wfUrlencode( wfArrayToCGI( $query ) );
 182                 $this->loggedin = $wgUser->isLoggedIn();
 183                 $this->iscontent = ( $this->mTitle->getNamespace() != NS_SPECIAL );
 184                 $this->iseditable = ( $this->iscontent and !( $action == 'edit' or $action == 'submit' ) );
 185                 $this->username = $wgUser->getName();
 186
 187                 if ( $wgUser->isLoggedIn() || $this->showIPinHeader() ) {
 188                         $this->userpageUrlDetails = self::makeUrlDetails( $this->userpage );
 189                 } else {
 190                         # This won't be used in the standard skins, but we define it to preserve the interface
 191                         # To save time, we check for existence
 192                         $this->userpageUrlDetails = self::makeKnownUrlDetails( $this->userpage );
 193                 }
 194
 195                 $this->userjs = $this->userjsprev = false;
 196                 $this->setupUserCss( $out );
 197                 $this->setupUserJs( $out->isUserJsAllowed() );
 198                 $this->titletxt = $this->mTitle->getPrefixedText();
 199                 wfProfileOut( __METHOD__ . '-stuff' );
 200
 201                 wfProfileIn( __METHOD__ . '-stuff2' );
 202                 $tpl->set( 'title', $out->getPageTitle() );
 203                 $tpl->set( 'pagetitle', $out->getHTMLTitle() );
 204                 $tpl->set( 'displaytitle', $out->mPageLinkTitle );
 205                 $tpl->set( 'pageclass', $this->getPageClasses( $this->mTitle ) );
 206                 $tpl->set( 'skinnameclass', ( 'skin-' . Sanitizer::escapeClass( $this->getSkinName() ) ) );
 207
 208                 $nsname = isset( $wgCanonicalNamespaceNames[ $this->mTitle->getNamespace() ] ) ?
 209                                         $wgCanonicalNamespaceNames[ $this->mTitle->getNamespace() ] :
 210                                         $this->mTitle->getNsText();
 211
 212                 $tpl->set( 'nscanonical', $nsname );
 213                 $tpl->set( 'nsnumber', $this->mTitle->getNamespace() );
 214                 $tpl->set( 'titleprefixeddbkey', $this->mTitle->getPrefixedDBKey() );
 215                 $tpl->set( 'titletext', $this->mTitle->getText() );
 216                 $tpl->set( 'articleid', $this->mTitle->getArticleId() );
 217                 $tpl->set( 'currevisionid', isset( $wgArticle ) ? $wgArticle->getLatest() : 0 );
 218
 219                 $tpl->set( 'isarticle', $out->isArticle() );
 220
 221                 $tpl->setRef( 'thispage', $this->thispage );
 222                 $subpagestr = $this->subPageSubtitle();
 223                 $tpl->set(
 224                         'subtitle', !empty( $subpagestr ) ?
 225                         '<span class="subpages">'.$subpagestr.'</span>'.$out->getSubtitle() :
 226                         $out->getSubtitle()
 227                 );
 228                 $undelete = $this->getUndeleteLink();
 229                 $tpl->set(
 230                         'undelete', !empty( $undelete ) ?
 231                         '<span class="subpages">'.$undelete.'</span>' :
 232                         ''
 233                 );
 234
 235                 $tpl->set( 'catlinks', $this->getCategories() );
 236                 if( $out->isSyndicated() ) {
 237                         $feeds = array();
 238                         foreach( $out->getSyndicationLinks() as $format => $link ) {
 239                                 $feeds[$format] = array(
 240                                         'text' => wfMsg( "feed-$format" ),
 241                                         'href' => $link
 242                                 );
 243                         }
 244                         $tpl->setRef( 'feeds', $feeds );
 245                 } else {
 246                         $tpl->set( 'feeds', false );
 247                 }
 248                 if( $wgUseTrackbacks && $out->isArticleRelated() ) {
 249                         $tpl->set( 'trackbackhtml', $out->getTitle()->trackbackRDF() );
 250                 } else {
 251                         $tpl->set( 'trackbackhtml', null );
 252                 }
 253
 254                 $tpl->setRef( 'xhtmldefaultnamespace', $wgXhtmlDefaultNamespace );
 255                 $tpl->set( 'xhtmlnamespaces', $wgXhtmlNamespaces );
 256                 $tpl->setRef( 'mimetype', $wgMimeType );
 257                 $tpl->setRef( 'jsmimetype', $wgJsMimeType );
 258                 $tpl->setRef( 'charset', $wgOutputEncoding );
 259                 $tpl->set( 'headlinks', $out->getHeadLinks() );
 260
 261                 //moved headscripts to near end of template header output
 262
 263                 $tpl->set( 'csslinks', $out->buildCssLinks() );
 264                 $tpl->setRef( 'wgScript', $wgScript );
 265                 $tpl->setRef( 'skinname', $this->skinname );
 266                 $tpl->set( 'skinclass', get_class( $this ) );
 267                 $tpl->setRef( 'stylename', $this->stylename );
 268                 $tpl->set( 'printable', $wgRequest->getBool( 'printable' ) );
 269                 $tpl->set( 'handheld', $wgRequest->getBool( 'handheld' ) );
 270                 $tpl->setRef( 'loggedin', $this->loggedin );
 271                 $tpl->set( 'notspecialpage', $this->mTitle->getNamespace() != NS_SPECIAL );
 272                 /* XXX currently unused, might get useful later
 273                 $tpl->set( "editable", ($this->mTitle->getNamespace() != NS_SPECIAL ) );
 274                 $tpl->set( "exists", $this->mTitle->getArticleID() != 0 );
 275                 $tpl->set( "watch", $this->mTitle->userIsWatching() ? "unwatch" : "watch" );
 276                 $tpl->set( "protect", count($this->mTitle->isProtected()) ? "unprotect" : "protect" );
 277                 $tpl->set( "helppage", wfMsg('helppage'));
 278                 */
 279                 $tpl->set( 'searchaction', $this->escapeSearchLink() );
 280                 $tpl->set( 'searchtitle', SpecialPage::getTitleFor( 'Search' )->getPrefixedDBKey() );
 281                 $tpl->set( 'search', trim( $wgRequest->getVal( 'search' ) ) );
 282                 $tpl->setRef( 'stylepath', $wgStylePath );
 283                 $tpl->setRef( 'articlepath', $wgArticlePath );
 284                 $tpl->setRef( 'scriptpath', $wgScriptPath );
 285                 $tpl->setRef( 'serverurl', $wgServer );
 286                 $tpl->setRef( 'logopath', $wgLogo );
 287                 $tpl->setRef( 'lang', $wgContLanguageCode );
 288                 $tpl->set( 'dir', $wgContLang->isRTL() ? 'rtl' : 'ltr' );
 289                 $tpl->set( 'rtl', $wgContLang->isRTL() );
 290                 $tpl->set( 'capitalizeallnouns', $wgLang->capitalizeAllNouns() ? ' capitalize-all-nouns' : '' );
 291                 $tpl->set( 'langname', $wgContLang->getLanguageName( $wgContLanguageCode ) );
 292                 $tpl->set( 'showjumplinks', $wgUser->getOption( 'showjumplinks' ) );
 293                 $tpl->set( 'username', $wgUser->isAnon() ? NULL : $this->username );
 294                 $tpl->setRef( 'userpage', $this->userpage );
 295                 $tpl->setRef( 'userpageurl', $this->userpageUrlDetails['href'] );
 296                 $tpl->set( 'userlang', $wgLang->getCode() );
 297                 $tpl->set( 'userlangattributes', 'lang="' . $wgLang->getCode() . '" xml:lang="' . $wgLang->getCode() . '"' );
 298                 $tpl->set( 'pagecss', $this->setupPageCss() );
 299                 $tpl->setRef( 'usercss', $this->usercss );
 300                 $tpl->setRef( 'userjs', $this->userjs );
 301                 $tpl->setRef( 'userjsprev', $this->userjsprev );
 302                 if( $wgUseSiteJs ) {
 303                         $jsCache = $this->loggedin ? '&smaxage=0' : '';
 304                         $tpl->set( 'jsvarurl',
 305                                 self::makeUrl( '-',
 306                                         "action=raw$jsCache&gen=js&useskin=" .
 307                                                 urlencode( $this->getSkinName() ) ) );
 308                 } else {
 309                         $tpl->set( 'jsvarurl', false );
 310                 }
 311
 312                 $newtalks = $wgUser->getNewMessageLinks();
 313
 314                 if( count( $newtalks ) == 1 && $newtalks[0]['wiki'] === wfWikiID() ) {
 315                         $usertitle = $this->mUser->getUserPage();
 316                         $usertalktitle = $usertitle->getTalkPage();
 317
 318                         if( !$usertalktitle->equals( $this->mTitle ) ) {
 319                                 $newmessageslink = $this->link(
 320                                         $usertalktitle,
 321                                         wfMsgHtml( 'newmessageslink' ),
 322                                         array(),
 323                                         array( 'redirect' => 'no' ),
 324                                         array( 'known', 'noclasses' )
 325                                 );
 326
 327                                 $newmessagesdifflink = $this->link(
 328                                         $usertalktitle,
 329                                         wfMsgHtml( 'newmessagesdifflink' ),
 330                                         array(),
 331                                         array( 'diff' => 'cur' ),
 332                                         array( 'known', 'noclasses' )
 333                                 );
 334
 335                                 $ntl = wfMsg(
 336                                         'youhavenewmessages',
 337                                         $newmessageslink,
 338                                         $newmessagesdifflink
 339                                 );
 340                                 # Disable Cache
 341                                 $out->setSquidMaxage( 0 );
 342                         }
 343                 } else if( count( $newtalks ) ) {
 344                         // _>" " for BC <= 1.16
 345                         $sep = str_replace( '_', ' ', wfMsgHtml( 'newtalkseparator' ) );
 346                         $msgs = array();
 347                         foreach( $newtalks as $newtalk ) {
 348                                 $msgs[] = Xml::element('a',
 349                                         array( 'href' => $newtalk['link'] ), $newtalk['wiki'] );
 350                         }
 351                         $parts = implode( $sep, $msgs );
 352                         $ntl = wfMsgHtml( 'youhavenewmessagesmulti', $parts );
 353                         $out->setSquidMaxage( 0 );
 354                 } else {
 355                         $ntl = '';
 356                 }
 357                 wfProfileOut( __METHOD__ . '-stuff2' );
 358
 359                 wfProfileIn( __METHOD__ . '-stuff3' );
 360                 $tpl->setRef( 'newtalk', $ntl );
 361                 $tpl->setRef( 'skin', $this );
 362                 $tpl->set( 'logo', $this->logoText() );
 363                 if ( $out->isArticle() and ( !isset( $oldid ) or isset( $diff ) ) and
 364                         $wgArticle and 0 != $wgArticle->getID() ){
 365                         if ( !$wgDisableCounters ) {
 366                                 $viewcount = $wgLang->formatNum( $wgArticle->getCount() );
 367                                 if ( $viewcount ) {
 368                                         $tpl->set( 'viewcount', wfMsgExt( 'viewcount', array( 'parseinline' ), $viewcount ) );
 369                                 } else {
 370                                         $tpl->set( 'viewcount', false );
 371                                 }
 372                         } else {
 373                                 $tpl->set( 'viewcount', false );
 374                         }
 375
 376                         if( $wgPageShowWatchingUsers ) {
 377                                 $dbr = wfGetDB( DB_SLAVE );
 378                                 $watchlist = $dbr->tableName( 'watchlist' );
 379                                 $res = $dbr->select( 'watchlist',
 380                                         array( 'COUNT(*) AS n' ),
 381                                         array( 'wl_title' => $dbr->strencode( $this->mTitle->getDBkey() ), 'wl_namespace' => $this->mTitle->getNamespace() ),
 382                                         __METHOD__
 383                                 );
 384                                 $x = $dbr->fetchObject( $res );
 385                                 $numberofwatchingusers = $x->n;
 386                                 if( $numberofwatchingusers > 0 ) {
 387                                         $tpl->set( 'numberofwatchingusers',
 388                                                 wfMsgExt( 'number_of_watching_users_pageview', array( 'parseinline' ),
 389                                                 $wgLang->formatNum( $numberofwatchingusers ) )
 390                                         );
 391                                 } else {
 392                                         $tpl->set( 'numberofwatchingusers', false );
 393                                 }
 394                         } else {
 395                                 $tpl->set( 'numberofwatchingusers', false );
 396                         }
 397
 398                         $tpl->set( 'copyright', $this->getCopyright() );
 399
 400                         $this->credits = false;
 401
 402                         if( $wgMaxCredits != 0 ){
 403                                 $this->credits = Credits::getCredits( $wgArticle, $wgMaxCredits, $wgShowCreditsIfMax );
 404                         } else {
 405                                 $tpl->set( 'lastmod', $this->lastModified() );
 406                         }
 407
 408                         $tpl->setRef( 'credits', $this->credits );
 409
 410                 } elseif ( isset( $oldid ) && !isset( $diff ) ) {
 411                         $tpl->set( 'copyright', $this->getCopyright() );
 412                         $tpl->set( 'viewcount', false );
 413                         $tpl->set( 'lastmod', false );
 414                         $tpl->set( 'credits', false );
 415                         $tpl->set( 'numberofwatchingusers', false );
 416                 } else {
 417                         $tpl->set( 'copyright', false );
 418                         $tpl->set( 'viewcount', false );
 419                         $tpl->set( 'lastmod', false );
 420                         $tpl->set( 'credits', false );
 421                         $tpl->set( 'numberofwatchingusers', false );
 422                 }
 423                 wfProfileOut( __METHOD__ . '-stuff3' );
 424
 425                 wfProfileIn( __METHOD__ . '-stuff4' );
 426                 $tpl->set( 'copyrightico', $this->getCopyrightIcon() );
 427                 $tpl->set( 'poweredbyico', $this->getPoweredBy() );
 428                 $tpl->set( 'disclaimer', $this->disclaimerLink() );
 429                 $tpl->set( 'privacy', $this->privacyLink() );
 430                 $tpl->set( 'about', $this->aboutLink() );
 431
 432                 $tpl->setRef( 'debug', $out->mDebugtext );
 433                 $tpl->set( 'reporttime', wfReportTime() );
 434                 $tpl->set( 'sitenotice', wfGetSiteNotice() );
 435                 $tpl->set( 'bottomscripts', $this->bottomScripts() );
 436
 437                 $printfooter = "<div class=\"printfooter\">\n" . $this->printSource() . "</div>\n";
 438                 $out->mBodytext .= $printfooter . $this->generateDebugHTML();
 439                 $tpl->setRef( 'bodytext', $out->mBodytext );
 440
 441                 # Language links
 442                 $language_urls = array();
 443
 444                 if ( !$wgHideInterlanguageLinks ) {
 445                         foreach( $out->getLanguageLinks() as $l ) {
 446                                 $tmp = explode( ':', $l, 2 );
 447                                 $class = 'interwiki-' . $tmp[0];
 448                                 unset( $tmp );
 449                                 $nt = Title::newFromText( $l );
 450                                 if ( $nt ) {
 451                                         $language_urls[] = array(
 452                                                 'href' => $nt->getFullURL(),
 453                                                 'text' => ( $wgContLang->getLanguageName( $nt->getInterwiki() ) != '' ?
 454                                                                         $wgContLang->getLanguageName( $nt->getInterwiki() ) : $l ),
 455                                                 'class' => $class
 456                                         );
 457                                 }
 458                         }
 459                 }
 460                 if( count( $language_urls ) ) {
 461                         $tpl->setRef( 'language_urls', $language_urls );
 462                 } else {
 463                         $tpl->set( 'language_urls', false );
 464                 }
 465                 wfProfileOut( __METHOD__ . '-stuff4' );
 466
 467                 wfProfileIn( __METHOD__ . '-stuff5' );
 468                 # Personal toolbar
 469                 $tpl->set( 'personal_urls', $this->buildPersonalUrls() );
 470                 $content_actions = $this->buildContentActionUrls();
 471                 $tpl->setRef( 'content_actions', $content_actions );
 472
 473                 // XXX: attach this from javascript, same with section editing
 474                 if( $this->iseditable && $wgUser->getOption( 'editondblclick' ) ){
 475                         $encEditUrl = Xml::escapeJsString( $this->mTitle->getLocalUrl( $this->editUrlOptions() ) );
 476                         $tpl->set( 'body_ondblclick', 'document.location = "' . $encEditUrl . '";' );
 477                 } else {
 478                         $tpl->set( 'body_ondblclick', false );
 479                 }
 480                 $tpl->set( 'body_onload', false );
 481                 $tpl->set( 'sidebar', $this->buildSidebar() );
 482                 $tpl->set( 'nav_urls', $this->buildNavUrls() );
 483
 484                 //set the head script near the end (in case above actions result in adding scripts)
 485                 $tpl->set( 'headscripts', $out->getScript() );
 486
 487                 // original version by hansm
 488                 if( !wfRunHooks( 'SkinTemplateOutputPageBeforeExec', array( &$this, &$tpl ) ) ) {
 489                         wfDebug( __METHOD__ . ": Hook SkinTemplateOutputPageBeforeExec broke outputPage execution!\n" );
 490                 }
 491
 492                 // allow extensions adding stuff after the page content.
 493                 // See Skin::afterContentHook() for further documentation.
 494                 $tpl->set( 'dataAfterContent', $this->afterContentHook() );
 495                 wfProfileOut( __METHOD__ . '-stuff5' );
 496
 497                 // execute template
 498                 wfProfileIn( __METHOD__ . '-execute' );
 499                 $res = $tpl->execute();
 500                 wfProfileOut( __METHOD__ . '-execute' );
 501
 502                 // result may be an error
 503                 $this->printOrError( $res );
 504                 wfProfileOut( __METHOD__ );
 505         }
 506
 507         /**
 508          * Output the string, or print error message if it's
 509          * an error object of the appropriate type.
 510          * For the base class, assume strings all around.
 511          *
 512          * @param mixed $str
 513          * @private
 514          */
 515         function printOrError( $str ) {
 516                 echo $str;
 517         }
 518
 519         /**
 520          * build array of urls for personal toolbar
 521          * @return array
 522          * @private
 523          */
 524         function buildPersonalUrls() {
 525                 global $wgOut, $wgRequest;
 526
 527                 $title = $wgOut->getTitle();
 528                 $pageurl = $title->getLocalURL();
 529                 wfProfileIn( __METHOD__ );
 530
 531                 /* set up the default links for the personal toolbar */
 532                 $personal_urls = array();
 533                 if( $this->loggedin ) {
 534                         $personal_urls['userpage'] = array(
 535                                 'text' => $this->username,
 536                                 'href' => &$this->userpageUrlDetails['href'],
 537                                 'class' => $this->userpageUrlDetails['exists'] ? false : 'new',
 538                                 'active' => ( $this->userpageUrlDetails['href'] == $pageurl )
 539                         );
 540                         $usertalkUrlDetails = $this->makeTalkUrlDetails( $this->userpage );
 541                         $personal_urls['mytalk'] = array(
 542                                 'text' => wfMsg( 'mytalk' ),
 543                                 'href' => &$usertalkUrlDetails['href'],
 544                                 'class' => $usertalkUrlDetails['exists'] ? false : 'new',
 545                                 'active' => ( $usertalkUrlDetails['href'] == $pageurl )
 546                         );
 547                         $href = self::makeSpecialUrl( 'Preferences' );
 548                         $personal_urls['preferences'] = array(
 549                                 'text' => wfMsg( 'mypreferences' ),
 550                                 'href' => $href,
 551                                 'active' => ( $href == $pageurl )
 552                         );
 553                         $href = self::makeSpecialUrl( 'Watchlist' );
 554                         $personal_urls['watchlist'] = array(
 555                                 'text' => wfMsg( 'mywatchlist' ),
 556                                 'href' => $href,
 557                                 'active' => ( $href == $pageurl )
 558                         );
 559
 560                         # We need to do an explicit check for Special:Contributions, as we
 561                         # have to match both the title, and the target (which could come
 562                         # from request values or be specified in "sub page" form. The plot
 563                         # thickens, because $wgTitle is altered for special pages, so doesn't
 564                         # contain the original alias-with-subpage.
 565                         $origTitle = Title::newFromText( $wgRequest->getText( 'title' ) );
 566                         if( $origTitle instanceof Title && $origTitle->getNamespace() == NS_SPECIAL ) {
 567                                 list( $spName, $spPar ) =
 568                                         SpecialPage::resolveAliasWithSubpage( $origTitle->getText() );
 569                                 $active = $spName == 'Contributions'
 570                                         && ( ( $spPar && $spPar == $this->username )
 571                                                 || $wgRequest->getText( 'target' ) == $this->username );
 572                         } else {
 573                                 $active = false;
 574                         }
 575
 576                         $href = self::makeSpecialUrlSubpage( 'Contributions', $this->username );
 577                         $personal_urls['mycontris'] = array(
 578                                 'text' => wfMsg( 'mycontris' ),
 579                                 'href' => $href,
 580                                 'active' => $active
 581                         );
 582                         $personal_urls['logout'] = array(
 583                                 'text' => wfMsg( 'userlogout' ),
 584                                 'href' => self::makeSpecialUrl( 'Userlogout',
 585                                         $title->isSpecial( 'Preferences' ) ? '' : "returnto={$this->thisurl}&returntoquery={$this->thisquery}"
 586                                 ),
 587                                 'active' => false
 588                         );
 589                 } else {
 590                         global $wgUser;
 591                         $loginlink = $wgUser->isAllowed( 'createaccount' )
 592                                 ? 'nav-login-createaccount'
 593                                 : 'login';
 594                         if( $this->showIPinHeader() ) {
 595                                 $href = &$this->userpageUrlDetails['href'];
 596                                 $personal_urls['anonuserpage'] = array(
 597                                         'text' => $this->username,
 598                                         'href' => $href,
 599                                         'class' => $this->userpageUrlDetails['exists'] ? false : 'new',
 600                                         'active' => ( $pageurl == $href )
 601                                 );
 602                                 $usertalkUrlDetails = $this->makeTalkUrlDetails( $this->userpage );
 603                                 $href = &$usertalkUrlDetails['href'];
 604                                 $personal_urls['anontalk'] = array(
 605                                         'text' => wfMsg( 'anontalk' ),
 606                                         'href' => $href,
 607                                         'class' => $usertalkUrlDetails['exists'] ? false : 'new',
 608                                         'active' => ( $pageurl == $href )
 609                                 );
 610                                 $personal_urls['anonlogin'] = array(
 611                                         'text' => wfMsg( $loginlink ),
 612                                         'href' => self::makeSpecialUrl( 'Userlogin', "returnto={$this->thisurl}&returntoquery={$this->thisquery}" ),
 613                                         'active' => $title->isSpecial( 'Userlogin' )
 614                                 );
 615                         } else {
 616                                 $personal_urls['login'] = array(
 617                                         'text' => wfMsg( $loginlink ),
 618                                         'href' => self::makeSpecialUrl( 'Userlogin', "returnto={$this->thisurl}&returntoquery={$this->thisquery}" ),
 619                                         'active' => $title->isSpecial( 'Userlogin' )
 620                                 );
 621                         }
 622                 }
 623
 624                 wfRunHooks( 'PersonalUrls', array( &$personal_urls, &$title ) );
 625                 wfProfileOut( __METHOD__ );
 626                 return $personal_urls;
 627         }
 628
 629         function tabAction( $title, $message, $selected, $query = '', $checkEdit = false ) {
 630                 $classes = array();
 631                 if( $selected ) {
 632                         $classes[] = 'selected';
 633                 }
 634                 if( $checkEdit && !$title->isKnown() ) {
 635                         $classes[] = 'new';
 636                         $query = 'action=edit&redlink=1';
 637                 }
 638
 639                 $text = wfMsg( $message );
 640                 if ( wfEmptyMsg( $message, $text ) ) {
 641                         global $wgContLang;
 642                         $text = $wgContLang->getFormattedNsText( MWNamespace::getSubject( $title->getNamespace() ) );
 643                 }
 644
 645                 $result = array();
 646                 if( !wfRunHooks( 'SkinTemplateTabAction', array( &$this,
 647                                 $title, $message, $selected, $checkEdit,
 648                                 &$classes, &$query, &$text, &$result ) ) ) {
 649                         return $result;
 650                 }
 651
 652                 return array(
 653                         'class' => implode( ' ', $classes ),
 654                         'text' => $text,
 655                         'href' => $title->getLocalUrl( $query ) );
 656         }
 657
 658         function makeTalkUrlDetails( $name, $urlaction = '' ) {
 659                 $title = Title::newFromText( $name );
 660                 if( !is_object( $title ) ) {
 661                         throw new MWException( __METHOD__ . " given invalid pagename $name" );
 662                 }
 663                 $title = $title->getTalkPage();
 664                 self::checkTitle( $title, $name );
 665                 return array(
 666                         'href' => $title->getLocalURL( $urlaction ),
 667                         'exists' => $title->getArticleID() != 0 ? true : false
 668                 );
 669         }
 670
 671         function makeArticleUrlDetails( $name, $urlaction = '' ) {
 672                 $title = Title::newFromText( $name );
 673                 $title= $title->getSubjectPage();
 674                 self::checkTitle( $title, $name );
 675                 return array(
 676                         'href' => $title->getLocalURL( $urlaction ),
 677                         'exists' => $title->getArticleID() != 0 ? true : false
 678                 );
 679         }
 680
 681         /**
 682          * an array of edit links by default used for the tabs
 683          * @return array
 684          * @private
 685          */
 686         function buildContentActionUrls() {
 687                 global $wgContLang, $wgLang, $wgOut, $wgUser, $wgRequest, $wgArticle;
 688
 689                 wfProfileIn( __METHOD__ );
 690
 691                 $action = $wgRequest->getVal( 'action', 'view' );
 692                 $section = $wgRequest->getVal( 'section' );
 693                 $content_actions = array();
 694
 695                 $prevent_active_tabs = false;
 696                 wfRunHooks( 'SkinTemplatePreventOtherActiveTabs', array( &$this, &$prevent_active_tabs ) );
 697
 698                 if( $this->iscontent ) {
 699                         $subjpage = $this->mTitle->getSubjectPage();
 700                         $talkpage = $this->mTitle->getTalkPage();
 701
 702                         $nskey = $this->mTitle->getNamespaceKey();
 703                         $content_actions[$nskey] = $this->tabAction(
 704                                 $subjpage,
 705                                 $nskey,
 706                                 !$this->mTitle->isTalkPage() && !$prevent_active_tabs,
 707                                 '', true
 708                         );
 709
 710                         $content_actions['talk'] = $this->tabAction(
 711                                 $talkpage,
 712                                 'talk',
 713                                 $this->mTitle->isTalkPage() && !$prevent_active_tabs,
 714                                 '',
 715                                 true
 716                         );
 717
 718                         wfProfileIn( __METHOD__ . '-edit' );
 719                         if ( $this->mTitle->quickUserCan( 'edit' ) && ( $this->mTitle->exists() || $this->mTitle->quickUserCan( 'create' ) ) ) {
 720                                 $istalk = $this->mTitle->isTalkPage();
 721                                 $istalkclass = $istalk?' istalk':'';
 722                                 $content_actions['edit'] = array(
 723                                         'class' => ( ( ( $action == 'edit' or $action == 'submit' ) and $section != 'new' ) ? 'selected' : '' ) . $istalkclass,
 724                                         'text' => $this->mTitle->exists()
 725                                                 ? wfMsg( 'edit' )
 726                                                 : wfMsg( 'create' ),
 727                                         'href' => $this->mTitle->getLocalUrl( $this->editUrlOptions() )
 728                                 );
 729
 730                                 // adds new section link if page is a current revision of a talk page or
 731                                 if ( ( $wgArticle && $wgArticle->isCurrent() && $istalk ) || $wgOut->showNewSectionLink() ) {
 732                                         if ( !$wgOut->forceHideNewSectionLink() ) {
 733                                                 $content_actions['addsection'] = array(
 734                                                         'class' => $section == 'new' ? 'selected' : false,
 735                                                         'text' => wfMsg( 'addsection' ),
 736                                                         'href' => $this->mTitle->getLocalUrl( 'action=edit&section=new' )
 737                                                 );
 738                                         }
 739                                 }
 740                         } elseif ( $this->mTitle->isKnown() ) {
 741                                 $content_actions['viewsource'] = array(
 742                                         'class' => ($action == 'edit') ? 'selected' : false,
 743                                         'text' => wfMsg( 'viewsource' ),
 744                                         'href' => $this->mTitle->getLocalUrl( $this->editUrlOptions() )
 745                                 );
 746                         }
 747                         wfProfileOut( __METHOD__ . '-edit' );
 748
 749                         wfProfileIn( __METHOD__ . '-live' );
 750                         if ( $this->mTitle->exists() ) {
 751
 752                                 $content_actions['history'] = array(
 753                                         'class' => ($action == 'history') ? 'selected' : false,
 754                                         'text' => wfMsg( 'history_short' ),
 755                                         'href' => $this->mTitle->getLocalUrl( 'action=history' ),
 756                                         'rel' => 'archives',
 757                                 );
 758
 759                                 if( $wgUser->isAllowed( 'delete' ) ) {
 760                                         $content_actions['delete'] = array(
 761                                                 'class' => ($action == 'delete') ? 'selected' : false,
 762                                                 'text' => wfMsg( 'delete' ),
 763                                                 'href' => $this->mTitle->getLocalUrl( 'action=delete' )
 764                                         );
 765                                 }
 766                                 if ( $this->mTitle->quickUserCan( 'move' ) ) {
 767                                         $moveTitle = SpecialPage::getTitleFor( 'Movepage', $this->thispage );
 768                                         $content_actions['move'] = array(
 769                                                 'class' => $this->mTitle->isSpecial( 'Movepage' ) ? 'selected' : false,
 770                                                 'text' => wfMsg( 'move' ),
 771                                                 'href' => $moveTitle->getLocalUrl()
 772                                         );
 773                                 }
 774
 775                                 if ( $this->mTitle->getNamespace() !== NS_MEDIAWIKI && $wgUser->isAllowed( 'protect' ) ) {
 776                                         if( !$this->mTitle->isProtected() ){
 777                                                 $content_actions['protect'] = array(
 778                                                         'class' => ($action == 'protect') ? 'selected' : false,
 779                                                         'text' => wfMsg( 'protect' ),
 780                                                         'href' => $this->mTitle->getLocalUrl( 'action=protect' )
 781                                                 );
 782
 783                                         } else {
 784                                                 $content_actions['unprotect'] = array(
 785                                                         'class' => ($action == 'unprotect') ? 'selected' : false,
 786                                                         'text' => wfMsg( 'unprotect' ),
 787                                                         'href' => $this->mTitle->getLocalUrl( 'action=unprotect' )
 788                                                 );
 789                                         }
 790                                 }
 791                         } else {
 792                                 //article doesn't exist or is deleted
 793                                 if( $wgUser->isAllowed( 'deletedhistory' ) && $wgUser->isAllowed( 'undelete' ) ) {
 794                                         if( $n = $this->mTitle->isDeleted() ) {
 795                                                 $undelTitle = SpecialPage::getTitleFor( 'Undelete' );
 796                                                 $content_actions['undelete'] = array(
 797                                                         'class' => false,
 798                                                         'text' => wfMsgExt( 'undelete_short', array( 'parsemag' ), $wgLang->formatNum( $n ) ),
 799                                                         'href' => $undelTitle->getLocalUrl( 'target=' . urlencode( $this->thispage ) )
 800                                                         #'href' => self::makeSpecialUrl( "Undelete/$this->thispage" )
 801                                                 );
 802                                         }
 803                                 }
 804
 805                                 if ( $this->mTitle->getNamespace() !== NS_MEDIAWIKI && $wgUser->isAllowed( 'protect' ) ) {
 806                                         if( !$this->mTitle->getRestrictions( 'create' ) ) {
 807                                                 $content_actions['protect'] = array(
 808                                                         'class' => ($action == 'protect') ? 'selected' : false,
 809                                                         'text' => wfMsg( 'protect' ),
 810                                                         'href' => $this->mTitle->getLocalUrl( 'action=protect' )
 811                                                 );
 812
 813                                         } else {
 814                                                 $content_actions['unprotect'] = array(
 815                                                         'class' => ($action == 'unprotect') ? 'selected' : false,
 816                                                         'text' => wfMsg( 'unprotect' ),
 817                                                         'href' => $this->mTitle->getLocalUrl( 'action=unprotect' )
 818                                                 );
 819                                         }
 820                                 }
 821                         }
 822
 823                         wfProfileOut( __METHOD__ . '-live' );
 824
 825                         if( $this->loggedin ) {
 826                                 if( !$this->mTitle->userIsWatching()) {
 827                                         $content_actions['watch'] = array(
 828                                                 'class' => ($action == 'watch' or $action == 'unwatch') ? 'selected' : false,
 829                                                 'text' => wfMsg( 'watch' ),
 830                                                 'href' => $this->mTitle->getLocalUrl( 'action=watch' )
 831                                         );
 832                                 } else {
 833                                         $content_actions['unwatch'] = array(
 834                                                 'class' => ($action == 'unwatch' or $action == 'watch') ? 'selected' : false,
 835                                                 'text' => wfMsg( 'unwatch' ),
 836                                                 'href' => $this->mTitle->getLocalUrl( 'action=unwatch' )
 837                                         );
 838                                 }
 839                         }
 840
 841
 842                         wfRunHooks( 'SkinTemplateTabs', array( &$this, &$content_actions ) );
 843                 } else {
 844                         /* show special page tab */
 845
 846                         $content_actions[$this->mTitle->getNamespaceKey()] = array(
 847                                 'class' => 'selected',
 848                                 'text' => wfMsg('nstab-special'),
 849                                 'href' => $wgRequest->getRequestURL(), // @bug 2457, 2510
 850                         );
 851
 852                         wfRunHooks( 'SkinTemplateBuildContentActionUrlsAfterSpecialPage', array( &$this, &$content_actions ) );
 853                 }
 854
 855                 /* show links to different language variants */
 856                 global $wgDisableLangConversion;
 857                 $variants = $wgContLang->getVariants();
 858                 if( !$wgDisableLangConversion && sizeof( $variants ) > 1 ) {
 859                         $preferred = $wgContLang->getPreferredVariant();
 860                         $vcount=0;
 861                         foreach( $variants as $code ) {
 862                                 $varname = $wgContLang->getVariantname( $code );
 863                                 if( $varname == 'disable' )
 864                                         continue;
 865                                 $selected = ( $code == $preferred )? 'selected' : false;
 866                                 $content_actions['varlang-' . $vcount] = array(
 867                                         'class' => $selected,
 868                                         'text' => $varname,
 869                                         'href' => $this->mTitle->getLocalURL( '', $code )
 870                                 );
 871                                 $vcount ++;
 872                         }
 873                 }
 874
 875                 wfRunHooks( 'SkinTemplateContentActions', array( &$content_actions ) );
 876
 877                 wfProfileOut( __METHOD__ );
 878                 return $content_actions;
 879         }
 880
 881         /**
 882          * build array of common navigation links
 883          * @return array
 884          * @private
 885          */
 886         function buildNavUrls() {
 887                 global $wgUseTrackbacks, $wgOut, $wgUser, $wgRequest;
 888                 global $wgEnableUploads, $wgUploadNavigationUrl;
 889
 890                 wfProfileIn( __METHOD__ );
 891
 892                 $action = $wgRequest->getVal( 'action', 'view' );
 893
 894                 $nav_urls = array();
 895                 $nav_urls['mainpage'] = array( 'href' => self::makeMainPageUrl() );
 896                 if( $wgUploadNavigationUrl ) {
 897                         $nav_urls['upload'] = array( 'href' => $wgUploadNavigationUrl );
 898                 } elseif( $wgEnableUploads && $wgUser->isAllowed( 'upload' ) ) {
 899                         $nav_urls['upload'] = array( 'href' => self::makeSpecialUrl( 'Upload' ) );
 900                 } else {
 901                         $nav_urls['upload'] = false;
 902                 }
 903                 $nav_urls['specialpages'] = array( 'href' => self::makeSpecialUrl( 'Specialpages' ) );
 904
 905                 // default permalink to being off, will override it as required below.
 906                 $nav_urls['permalink'] = false;
 907
 908                 // A print stylesheet is attached to all pages, but nobody ever
 909                 // figures that out. :)  Add a link...
 910                 if( $this->iscontent && ( $action == 'view' || $action == 'purge' ) ) {
 911                         if ( !$wgRequest->getBool( 'printable' ) ) {
 912                                 $nav_urls['print'] = array(
 913                                         'text' => wfMsg( 'printableversion' ),
 914                                         'href' => $wgRequest->appendQuery( 'printable=yes' )
 915                                 );
 916                         }
 917
 918                         // Also add a "permalink" while we're at it
 919                         if ( $this->mRevisionId ) {
 920                                 $nav_urls['permalink'] = array(
 921                                         'text' => wfMsg( 'permalink' ),
 922                                         'href' => $wgOut->getTitle()->getLocalURL( "oldid=$this->mRevisionId" )
 923                                 );
 924                         }
 925
 926                         // Copy in case this undocumented, shady hook tries to mess with internals
 927                         $revid = $this->mRevisionId;
 928                         wfRunHooks( 'SkinTemplateBuildNavUrlsNav_urlsAfterPermalink', array( &$this, &$nav_urls, &$revid, &$revid ) );
 929                 }
 930
 931                 if( $this->mTitle->getNamespace() != NS_SPECIAL ) {
 932                         $wlhTitle = SpecialPage::getTitleFor( 'Whatlinkshere', $this->thispage );
 933                         $nav_urls['whatlinkshere'] = array(
 934                                 'href' => $wlhTitle->getLocalUrl()
 935                         );
 936                         if( $this->mTitle->getArticleId() ) {
 937                                 $rclTitle = SpecialPage::getTitleFor( 'Recentchangeslinked', $this->thispage );
 938                                 $nav_urls['recentchangeslinked'] = array(
 939                                         'href' => $rclTitle->getLocalUrl()
 940                                 );
 941                         } else {
 942                                 $nav_urls['recentchangeslinked'] = false;
 943                         }
 944                         if( $wgUseTrackbacks )
 945                                 $nav_urls['trackbacklink'] = array(
 946                                         'href' => $wgOut->getTitle()->trackbackURL()
 947                                 );
 948                 }
 949
 950                 if( $this->mTitle->getNamespace() == NS_USER || $this->mTitle->getNamespace() == NS_USER_TALK ) {
 951                         $id = User::idFromName( $this->mTitle->getText() );
 952                         $ip = User::isIP( $this->mTitle->getText() );
 953                 } else {
 954                         $id = 0;
 955                         $ip = false;
 956                 }
 957
 958                 if( $id || $ip ) { # both anons and non-anons have contribs list
 959                         $nav_urls['contributions'] = array(
 960                                 'href' => self::makeSpecialUrlSubpage( 'Contributions', $this->mTitle->getText() )
 961                         );
 962
 963                         if( $id ) {
 964                                 $logPage = SpecialPage::getTitleFor( 'Log' );
 965                                 $nav_urls['log'] = array(
 966                                         'href' => $logPage->getLocalUrl(
 967                                                 array(
 968                                                         'user' => $this->mTitle->getText()
 969                                                 )
 970                                         )
 971                                 );
 972                         } else {
 973                                 $nav_urls['log'] = false;
 974                         }
 975
 976                         if ( $wgUser->isAllowed( 'block' ) ) {
 977                                 $nav_urls['blockip'] = array(
 978                                         'href' => self::makeSpecialUrlSubpage( 'Blockip', $this->mTitle->getText() )
 979                                 );
 980                         } else {
 981                                 $nav_urls['blockip'] = false;
 982                         }
 983                 } else {
 984                         $nav_urls['contributions'] = false;
 985                         $nav_urls['log'] = false;
 986                         $nav_urls['blockip'] = false;
 987                 }
 988                 $nav_urls['emailuser'] = false;
 989                 if( $this->showEmailUser( $id ) ) {
 990                         $nav_urls['emailuser'] = array(
 991                                 'href' => self::makeSpecialUrlSubpage( 'Emailuser', $this->mTitle->getText() )
 992                         );
 993                 }
 994                 wfProfileOut( __METHOD__ );
 995                 return $nav_urls;
 996         }
 997
 998         /**
 999          * Generate strings used for xml 'id' names
1000          * @return string
1001          * @private
1002          */
1003         function getNameSpaceKey() {
1004                 return $this->mTitle->getNamespaceKey();
1005         }
1006
1007         /**
1008          * @private
1009          */
1010         function setupUserJs( $allowUserJs ) {
1011                 global $wgRequest, $wgJsMimeType;
1012                 wfProfileIn( __METHOD__ );
1013
1014                 $action = $wgRequest->getVal( 'action', 'view' );
1015
1016                 if( $allowUserJs && $this->loggedin ) {
1017                         if( $this->mTitle->isJsSubpage() and $this->userCanPreview( $action ) ) {
1018                                 # XXX: additional security check/prompt?
1019                                 $this->userjsprev = '/*<![CDATA[*/ ' . $wgRequest->getText( 'wpTextbox1' ) . ' /*]]>*/';
1020                         } else {
1021                                 $this->userjs = self::makeUrl( $this->userpage . '/' . $this->skinname . '.js', 'action=raw&ctype=' . $wgJsMimeType );
1022                         }
1023                 }
1024                 wfProfileOut( __METHOD__ );
1025         }
1026
1027         /**
1028          * Code for extensions to hook into to provide per-page CSS, see
1029          * extensions/PageCSS/PageCSS.php for an implementation of this.
1030          *
1031          * @private
1032          */
1033         function setupPageCss() {
1034                 wfProfileIn( __METHOD__ );
1035                 $out = false;
1036                 wfRunHooks( 'SkinTemplateSetupPageCss', array( &$out ) );
1037                 wfProfileOut( __METHOD__ );
1038                 return $out;
1039         }
1040
1041         public function commonPrintStylesheet() {
1042                 return false;
1043         }
1044 }
1045
1046 /**
1047  * Generic wrapper for template functions, with interface
1048  * compatible with what we use of PHPTAL 0.7.
1049  * @ingroup Skins
1050  */
1051 class QuickTemplate {
1052         /**
1053          * Constructor
1054          */
1055         public function QuickTemplate() {
1056                 $this->data = array();
1057                 $this->translator = new MediaWiki_I18N();
1058         }
1059
1060         /**
1061          * Sets the value $value to $name
1062          * @param $name
1063          * @param $value
1064          */
1065         public function set( $name, $value ) {
1066                 $this->data[$name] = $value;
1067         }
1068
1069         /**
1070          * @param $name
1071          * @param $value
1072          */
1073         public function setRef( $name, &$value ) {
1074                 $this->data[$name] =& $value;
1075         }
1076
1077         /**
1078          * @param $t
1079          */
1080         public function setTranslator( &$t ) {
1081                 $this->translator = &$t;
1082         }
1083
1084         /**
1085          * Main function, used by classes that subclass QuickTemplate
1086          * to show the actual HTML output
1087          */
1088         public function execute() {
1089                 echo 'Override this function.';
1090         }
1091
1092         /**
1093          * @private
1094          */
1095         function text( $str ) {
1096                 echo htmlspecialchars( $this->data[$str] );
1097         }
1098
1099         /**
1100          * @private
1101          */
1102         function jstext( $str ) {
1103                 echo Xml::escapeJsString( $this->data[$str] );
1104         }
1105
1106         /**
1107          * @private
1108          */
1109         function html( $str ) {
1110                 echo $this->data[$str];
1111         }
1112
1113         /**
1114          * @private
1115          */
1116         function msg( $str ) {
1117                 echo htmlspecialchars( $this->translator->translate( $str ) );
1118         }
1119
1120         /**
1121          * @private
1122          */
1123         function msgHtml( $str ) {
1124                 echo $this->translator->translate( $str );
1125         }
1126
1127         /**
1128          * An ugly, ugly hack.
1129          * @private
1130          */
1131         function msgWiki( $str ) {
1132                 global $wgParser, $wgOut;
1133
1134                 $text = $this->translator->translate( $str );
1135                 $parserOutput = $wgParser->parse( $text, $wgOut->getTitle(),
1136                         $wgOut->parserOptions(), true );
1137                 echo $parserOutput->getText();
1138         }
1139
1140         /**
1141          * @private
1142          */
1143         function haveData( $str ) {
1144                 return isset( $this->data[$str] );
1145         }
1146
1147         /**
1148          * @private
1149          */
1150         function haveMsg( $str ) {
1151                 $msg = $this->translator->translate( $str );
1152                 return ( $msg != '-' ) && ( $msg != '' ); # ????
1153         }
1154 }