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  * Template-filler skin base class
  22  * Formerly generic PHPTal (http://phptal.sourceforge.net/) skin
  23  * Based on Brion's smarty skin
  24  * Copyright (C) Gabriel Wicke -- http://www.aulinx.de/
  25  *
  26  * Todo: Needs some serious refactoring into functions that correspond
  27  * to the computations individual esi snippets need. Most importantly no body
  28  * parsing for most of those of course.
  29  *
  30  * @addtogroup Skins
  31  */
  32
  33 /**
  34  * Wrapper object for MediaWiki's localization functions,
  35  * to be passed to the template engine.
  36  *
  37  * @private
  38  */
  39 class MediaWiki_I18N {
  40         var $_context = array();
  41
  42         function set($varName, $value) {
  43                 $this->_context[$varName] = $value;
  44         }
  45
  46         function translate($value) {
  47                 $fname = 'SkinTemplate-translate';
  48                 wfProfileIn( $fname );
  49
  50                 // Hack for i18n:attributes in PHPTAL 1.0.0 dev version as of 2004-10-23
  51                 $value = preg_replace( '/^string:/', '', $value );
  52
  53                 $value = wfMsg( $value );
  54                 // interpolate variables
  55                 $m = array();
  56                 while (preg_match('/\$([0-9]*?)/sm', $value, $m)) {
  57                         list($src, $var) = $m;
  58                         wfSuppressWarnings();
  59                         $varValue = $this->_context[$var];
  60                         wfRestoreWarnings();
  61                         $value = str_replace($src, $varValue, $value);
  62                 }
  63                 wfProfileOut( $fname );
  64                 return $value;
  65         }
  66 }
  67
  68 /**
  69  * @todo document with one-sentence top-level class description.
  70  */
  71 class SkinTemplate extends Skin {
  72         /**#@+
  73          * @private
  74          */
  75
  76         /**
  77          * Name of our skin, set in initPage()
  78          * It probably need to be all lower case.
  79          */
  80         var $skinname;
  81
  82         /**
  83          * Stylesheets set to use
  84          * Sub directory in ./skins/ where various stylesheets are located
  85          */
  86         var $stylename;
  87
  88         /**
  89          * For QuickTemplate, the name of the subclass which
  90          * will actually fill the template.
  91          */
  92         var $template;
  93
  94         /**#@-*/
  95
  96         /**
  97          * Setup the base parameters...
  98          * Child classes should override this to set the name,
  99          * style subdirectory, and template filler callback.
 100          *
 101          * @param OutputPage $out
 102          */
 103         function initPage( &$out ) {
 104                 parent::initPage( $out );
 105                 $this->skinname  = 'monobook';
 106                 $this->stylename = 'monobook';
 107                 $this->template  = 'QuickTemplate';
 108         }
 109
 110         /**
 111          * Create the template engine object; we feed it a bunch of data
 112          * and eventually it spits out some HTML. Should have interface
 113          * roughly equivalent to PHPTAL 0.7.
 114          *
 115          * @param string $callback (or file)
 116          * @param string $repository subdirectory where we keep template files
 117          * @param string $cache_dir
 118          * @return object
 119          * @private
 120          */
 121         function setupTemplate( $classname, $repository=false, $cache_dir=false ) {
 122                 return new $classname();
 123         }
 124
 125         /**
 126          * initialize various variables and generate the template
 127          *
 128          * @param OutputPage $out
 129          * @public
 130          */
 131         function outputPage( &$out ) {
 132                 global $wgTitle, $wgArticle, $wgUser, $wgLang, $wgContLang, $wgOut;
 133                 global $wgScript, $wgStylePath, $wgContLanguageCode;
 134                 global $wgMimeType, $wgJsMimeType, $wgOutputEncoding, $wgRequest;
 135                 global $wgXhtmlDefaultNamespace, $wgXhtmlNamespaces;
 136                 global $wgDisableCounters, $wgLogo, $action, $wgFeedClasses, $wgHideInterlanguageLinks;
 137                 global $wgMaxCredits, $wgShowCreditsIfMax;
 138                 global $wgPageShowWatchingUsers;
 139                 global $wgUseTrackbacks;
 140                 global $wgArticlePath, $wgScriptPath, $wgServer, $wgLang, $wgCanonicalNamespaceNames;
 141
 142                 $fname = 'SkinTemplate::outputPage';
 143                 wfProfileIn( $fname );
 144
 145                 // Hook that allows last minute changes to the output page, e.g.
 146                 // adding of CSS or Javascript by extensions.
 147                 wfRunHooks( 'BeforePageDisplay', array( &$out ) );
 148
 149                 $oldid = $wgRequest->getVal( 'oldid' );
 150                 $diff = $wgRequest->getVal( 'diff' );
 151
 152                 wfProfileIn( "$fname-init" );
 153                 $this->initPage( $out );
 154
 155                 $this->mTitle =& $wgTitle;
 156                 $this->mUser =& $wgUser;
 157
 158                 $tpl = $this->setupTemplate( $this->template, 'skins' );
 159
 160                 #if ( $wgUseDatabaseMessages ) { // uncomment this to fall back to GetText
 161                 $tpl->setTranslator(new MediaWiki_I18N());
 162                 #}
 163                 wfProfileOut( "$fname-init" );
 164
 165                 wfProfileIn( "$fname-stuff" );
 166                 $this->thispage = $this->mTitle->getPrefixedDbKey();
 167                 $this->thisurl = $this->mTitle->getPrefixedURL();
 168                 $this->loggedin = $wgUser->isLoggedIn();
 169                 $this->iscontent = ($this->mTitle->getNamespace() != NS_SPECIAL );
 170                 $this->iseditable = ($this->iscontent and !($action == 'edit' or $action == 'submit'));
 171                 $this->username = $wgUser->getName();
 172                 $userPage = $wgUser->getUserPage();
 173                 $this->userpage = $userPage->getPrefixedText();
 174
 175                 if ( $wgUser->isLoggedIn() || $this->showIPinHeader() ) {
 176                         $this->userpageUrlDetails = self::makeUrlDetails( $this->userpage );
 177                 } else {
 178                         # This won't be used in the standard skins, but we define it to preserve the interface
 179                         # To save time, we check for existence
 180                         $this->userpageUrlDetails = self::makeKnownUrlDetails( $this->userpage );
 181                 }
 182
 183                 $this->usercss =  $this->userjs = $this->userjsprev = false;
 184                 $this->setupUserCss();
 185                 $this->setupUserJs();
 186                 $this->titletxt = $this->mTitle->getPrefixedText();
 187                 wfProfileOut( "$fname-stuff" );
 188
 189                 wfProfileIn( "$fname-stuff2" );
 190                 $tpl->set( 'title', $wgOut->getPageTitle() );
 191                 $tpl->set( 'pagetitle', $wgOut->getHTMLTitle() );
 192                 $tpl->set( 'displaytitle', $wgOut->mPageLinkTitle );
 193                 $tpl->set( 'pageclass', Sanitizer::escapeClass( 'page-'.$this->mTitle->getPrefixedText() ) );
 194
 195                 $nsname = isset( $wgCanonicalNamespaceNames[ $this->mTitle->getNamespace() ] ) ?
 196                           $wgCanonicalNamespaceNames[ $this->mTitle->getNamespace() ] :
 197                           $this->mTitle->getNsText();
 198
 199                 $tpl->set( 'nscanonical', $nsname );
 200                 $tpl->set( 'nsnumber', $this->mTitle->getNamespace() );
 201                 $tpl->set( 'titleprefixeddbkey', $this->mTitle->getPrefixedDBKey() );
 202                 $tpl->set( 'titletext', $this->mTitle->getText() );
 203                 $tpl->set( 'articleid', $this->mTitle->getArticleId() );
 204                 $tpl->set( 'currevisionid', isset( $wgArticle ) ? $wgArticle->getLatest() : 0 );
 205
 206                 $tpl->set( 'isarticle', $wgOut->isArticle() );
 207
 208                 $tpl->setRef( "thispage", $this->thispage );
 209                 $subpagestr = $this->subPageSubtitle();
 210                 $tpl->set(
 211                         'subtitle',  !empty($subpagestr)?
 212                         '<span class="subpages">'.$subpagestr.'</span>'.$out->getSubtitle():
 213                         $out->getSubtitle()
 214                 );
 215                 $undelete = $this->getUndeleteLink();
 216                 $tpl->set(
 217                         "undelete", !empty($undelete)?
 218                         '<span class="subpages">'.$undelete.'</span>':
 219                         ''
 220                 );
 221
 222                 $tpl->set( 'catlinks', $this->getCategories());
 223                 if( $wgOut->isSyndicated() ) {
 224                         $feeds = array();
 225                         foreach( $wgFeedClasses as $format => $class ) {
 226                                 $linktext = $format;
 227                                 if ( $format == "atom" ) {
 228                                         $linktext = wfMsg( 'feed-atom' );
 229                                 } else if ( $format == "rss" ) {
 230                                         $linktext = wfMsg( 'feed-rss' );
 231                                 }
 232                                 $feeds[$format] = array(
 233                                         'text' => $linktext,
 234                                         'href' => $wgRequest->appendQuery( "feed=$format" )
 235                                 );
 236                         }
 237                         $tpl->setRef( 'feeds', $feeds );
 238                 } else {
 239                         $tpl->set( 'feeds', false );
 240                 }
 241                 if ($wgUseTrackbacks && $out->isArticleRelated()) {
 242                         $tpl->set( 'trackbackhtml', $wgTitle->trackbackRDF() );
 243                 } else {
 244                         $tpl->set( 'trackbackhtml', null );
 245                 }
 246
 247                 $tpl->setRef( 'xhtmldefaultnamespace', $wgXhtmlDefaultNamespace );
 248                 $tpl->set( 'xhtmlnamespaces', $wgXhtmlNamespaces );
 249                 $tpl->setRef( 'mimetype', $wgMimeType );
 250                 $tpl->setRef( 'jsmimetype', $wgJsMimeType );
 251                 $tpl->setRef( 'charset', $wgOutputEncoding );
 252                 $tpl->set( 'headlinks', $out->getHeadLinks() );
 253                 $tpl->set('headscripts', $out->getScript() );
 254                 $tpl->setRef( 'wgScript', $wgScript );
 255                 $tpl->setRef( 'skinname', $this->skinname );
 256                 $tpl->set( 'skinclass', get_class( $this ) );
 257                 $tpl->setRef( 'stylename', $this->stylename );
 258                 $tpl->set( 'printable', $wgRequest->getBool( 'printable' ) );
 259                 $tpl->setRef( 'loggedin', $this->loggedin );
 260                 $tpl->set('nsclass', 'ns-'.$this->mTitle->getNamespace());
 261                 $tpl->set('notspecialpage', $this->mTitle->getNamespace() != NS_SPECIAL);
 262                 /* XXX currently unused, might get useful later
 263                 $tpl->set( "editable", ($this->mTitle->getNamespace() != NS_SPECIAL ) );
 264                 $tpl->set( "exists", $this->mTitle->getArticleID() != 0 );
 265                 $tpl->set( "watch", $this->mTitle->userIsWatching() ? "unwatch" : "watch" );
 266                 $tpl->set( "protect", count($this->mTitle->isProtected()) ? "unprotect" : "protect" );
 267                 $tpl->set( "helppage", wfMsg('helppage'));
 268                 */
 269                 $tpl->set( 'searchaction', $this->escapeSearchLink() );
 270                 $tpl->set( 'search', trim( $wgRequest->getVal( 'search' ) ) );
 271                 $tpl->setRef( 'stylepath', $wgStylePath );
 272                 $tpl->setRef( 'articlepath', $wgArticlePath );
 273                 $tpl->setRef( 'scriptpath', $wgScriptPath );
 274                 $tpl->setRef( 'serverurl', $wgServer );
 275                 $tpl->setRef( 'logopath', $wgLogo );
 276                 $tpl->setRef( "lang", $wgContLanguageCode );
 277                 $tpl->set( 'dir', $wgContLang->isRTL() ? "rtl" : "ltr" );
 278                 $tpl->set( 'rtl', $wgContLang->isRTL() );
 279                 $tpl->set( 'langname', $wgContLang->getLanguageName( $wgContLanguageCode ) );
 280                 $tpl->set( 'showjumplinks', $wgUser->getOption( 'showjumplinks' ) );
 281                 $tpl->set( 'username', $wgUser->isAnon() ? NULL : $this->username );
 282                 $tpl->setRef( 'userpage', $this->userpage);
 283                 $tpl->setRef( 'userpageurl', $this->userpageUrlDetails['href']);
 284                 $tpl->set( 'userlang', $wgLang->getCode() );
 285                 $tpl->set( 'pagecss', $this->setupPageCss() );
 286                 $tpl->setRef( 'usercss', $this->usercss);
 287                 $tpl->setRef( 'userjs', $this->userjs);
 288                 $tpl->setRef( 'userjsprev', $this->userjsprev);
 289                 global $wgUseSiteJs;
 290                 if ($wgUseSiteJs) {
 291                         if($this->loggedin) {
 292                                 $tpl->set( 'jsvarurl', self::makeUrl('-','action=raw&smaxage=0&gen=js') );
 293                         } else {
 294                                 $tpl->set( 'jsvarurl', self::makeUrl('-','action=raw&gen=js') );
 295                         }
 296                 } else {
 297                         $tpl->set('jsvarurl', false);
 298                 }
 299                 $newtalks = $wgUser->getNewMessageLinks();
 300
 301                 if (count($newtalks) == 1 && $newtalks[0]["wiki"] === wfWikiID() ) {
 302                         $usertitle = $this->mUser->getUserPage();
 303                         $usertalktitle = $usertitle->getTalkPage();
 304                         if( !$usertalktitle->equals( $this->mTitle ) ) {
 305                                 $ntl = wfMsg( 'youhavenewmessages',
 306                                         $this->makeKnownLinkObj(
 307                                                 $usertalktitle,
 308                                                 wfMsgHtml( 'newmessageslink' ),
 309                                                 'redirect=no'
 310                                         ),
 311                                         $this->makeKnownLinkObj(
 312                                                 $usertalktitle,
 313                                                 wfMsgHtml( 'newmessagesdifflink' ),
 314                                                 'diff=cur'
 315                                         )
 316                                 );
 317                                 # Disable Cache
 318                                 $wgOut->setSquidMaxage(0);
 319                         }
 320                 } else if (count($newtalks)) {
 321                         $sep = str_replace("_", " ", wfMsgHtml("newtalkseperator"));
 322                         $msgs = array();
 323                         foreach ($newtalks as $newtalk) {
 324                                 $msgs[] = wfElement("a",
 325                                         array('href' => $newtalk["link"]), $newtalk["wiki"]);
 326                         }
 327                         $parts = implode($sep, $msgs);
 328                         $ntl = wfMsgHtml('youhavenewmessagesmulti', $parts);
 329                         $wgOut->setSquidMaxage(0);
 330                 } else {
 331                         $ntl = '';
 332                 }
 333                 wfProfileOut( "$fname-stuff2" );
 334
 335                 wfProfileIn( "$fname-stuff3" );
 336                 $tpl->setRef( 'newtalk', $ntl );
 337                 $tpl->setRef( 'skin', $this);
 338                 $tpl->set( 'logo', $this->logoText() );
 339                 if ( $wgOut->isArticle() and (!isset( $oldid ) or isset( $diff )) and
 340                         $wgArticle and 0 != $wgArticle->getID() )
 341                 {
 342                         if ( !$wgDisableCounters ) {
 343                                 $viewcount = $wgLang->formatNum( $wgArticle->getCount() );
 344                                 if ( $viewcount ) {
 345                                         $tpl->set('viewcount', wfMsgExt( 'viewcount', array( 'parseinline' ), $viewcount ) );
 346                                 } else {
 347                                         $tpl->set('viewcount', false);
 348                                 }
 349                         } else {
 350                                 $tpl->set('viewcount', false);
 351                         }
 352
 353                         if ($wgPageShowWatchingUsers) {
 354                                 $dbr = wfGetDB( DB_SLAVE );
 355                                 $watchlist = $dbr->tableName( 'watchlist' );
 356                                 $sql = "SELECT COUNT(*) AS n FROM $watchlist
 357                                         WHERE wl_title='" . $dbr->strencode($this->mTitle->getDBKey()) .
 358                                         "' AND  wl_namespace=" . $this->mTitle->getNamespace() ;
 359                                 $res = $dbr->query( $sql, 'SkinTemplate::outputPage');
 360                                 $x = $dbr->fetchObject( $res );
 361                                 $numberofwatchingusers = $x->n;
 362                                 if ($numberofwatchingusers > 0) {
 363                                         $tpl->set('numberofwatchingusers', wfMsg('number_of_watching_users_pageview', $numberofwatchingusers));
 364                                 } else {
 365                                         $tpl->set('numberofwatchingusers', false);
 366                                 }
 367                         } else {
 368                                 $tpl->set('numberofwatchingusers', false);
 369                         }
 370
 371                         $tpl->set('copyright',$this->getCopyright());
 372
 373                         $this->credits = false;
 374
 375                         if (isset($wgMaxCredits) && $wgMaxCredits != 0) {
 376                                 require_once("Credits.php");
 377                                 $this->credits = getCredits($wgArticle, $wgMaxCredits, $wgShowCreditsIfMax);
 378                         } else {
 379                                 $tpl->set('lastmod', $this->lastModified());
 380                         }
 381
 382                         $tpl->setRef( 'credits', $this->credits );
 383
 384                 } elseif ( isset( $oldid ) && !isset( $diff ) ) {
 385                         $tpl->set('copyright', $this->getCopyright());
 386                         $tpl->set('viewcount', false);
 387                         $tpl->set('lastmod', false);
 388                         $tpl->set('credits', false);
 389                         $tpl->set('numberofwatchingusers', false);
 390                 } else {
 391                         $tpl->set('copyright', false);
 392                         $tpl->set('viewcount', false);
 393                         $tpl->set('lastmod', false);
 394                         $tpl->set('credits', false);
 395                         $tpl->set('numberofwatchingusers', false);
 396                 }
 397                 wfProfileOut( "$fname-stuff3" );
 398
 399                 wfProfileIn( "$fname-stuff4" );
 400                 $tpl->set( 'copyrightico', $this->getCopyrightIcon() );
 401                 $tpl->set( 'poweredbyico', $this->getPoweredBy() );
 402                 $tpl->set( 'disclaimer', $this->disclaimerLink() );
 403                 $tpl->set( 'privacy', $this->privacyLink() );
 404                 $tpl->set( 'about', $this->aboutLink() );
 405
 406                 $tpl->setRef( 'debug', $out->mDebugtext );
 407                 $tpl->set( 'reporttime', $out->reportTime() );
 408                 $tpl->set( 'sitenotice', wfGetSiteNotice() );
 409                 $tpl->set( 'bottomscripts', $this->bottomScripts() );
 410
 411                 $printfooter = "<div class=\"printfooter\">\n" . $this->printSource() . "</div>\n";
 412                 $out->mBodytext .= $printfooter ;
 413                 $tpl->setRef( 'bodytext', $out->mBodytext );
 414
 415                 # Language links
 416                 $language_urls = array();
 417
 418                 if ( !$wgHideInterlanguageLinks ) {
 419                         foreach( $wgOut->getLanguageLinks() as $l ) {
 420                                 $tmp = explode( ':', $l, 2 );
 421                                 $class = 'interwiki-' . $tmp[0];
 422                                 unset($tmp);
 423                                 $nt = Title::newFromText( $l );
 424                                 $language_urls[] = array(
 425                                         'href' => $nt->getFullURL(),
 426                                         'text' => ($wgContLang->getLanguageName( $nt->getInterwiki()) != ''?$wgContLang->getLanguageName( $nt->getInterwiki()) : $l),
 427                                         'class' => $class
 428                                 );
 429                         }
 430                 }
 431                 if(count($language_urls)) {
 432                         $tpl->setRef( 'language_urls', $language_urls);
 433                 } else {
 434                         $tpl->set('language_urls', false);
 435                 }
 436                 wfProfileOut( "$fname-stuff4" );
 437
 438                 # Personal toolbar
 439                 $tpl->set('personal_urls', $this->buildPersonalUrls());
 440                 $content_actions = $this->buildContentActionUrls();
 441                 $tpl->setRef('content_actions', $content_actions);
 442
 443                 // XXX: attach this from javascript, same with section editing
 444                 if($this->iseditable && $wgUser->getOption("editondblclick") )
 445                 {
 446                         $tpl->set('body_ondblclick', 'document.location = "' .$content_actions['edit']['href'] .'";');
 447                 } else {
 448                         $tpl->set('body_ondblclick', false);
 449                 }
 450                 if( $this->iseditable && $wgUser->getOption( 'editsectiononrightclick' ) ) {
 451                         $tpl->set( 'body_onload', 'setupRightClickEdit()' );
 452                 } else {
 453                         $tpl->set( 'body_onload', false );
 454                 }
 455                 $tpl->set( 'sidebar', $this->buildSidebar() );
 456                 $tpl->set( 'nav_urls', $this->buildNavUrls() );
 457
 458                 // original version by hansm
 459                 if( !wfRunHooks( 'SkinTemplateOutputPageBeforeExec', array( &$this, &$tpl ) ) ) {
 460                         wfDebug( __METHOD__ . ': Hook SkinTemplateOutputPageBeforeExec broke outputPage execution!' );
 461                 }
 462
 463                 // execute template
 464                 wfProfileIn( "$fname-execute" );
 465                 $res = $tpl->execute();
 466                 wfProfileOut( "$fname-execute" );
 467
 468                 // result may be an error
 469                 $this->printOrError( $res );
 470                 wfProfileOut( $fname );
 471         }
 472
 473         /**
 474          * Output the string, or print error message if it's
 475          * an error object of the appropriate type.
 476          * For the base class, assume strings all around.
 477          *
 478          * @param mixed $str
 479          * @private
 480          */
 481         function printOrError( $str ) {
 482                 echo $str;
 483         }
 484
 485         /**
 486          * build array of urls for personal toolbar
 487          * @return array
 488          * @private
 489          */
 490         function buildPersonalUrls() {
 491                 global $wgTitle, $wgRequest;
 492
 493                 $fname = 'SkinTemplate::buildPersonalUrls';
 494                 $pageurl = $wgTitle->getLocalURL();
 495                 wfProfileIn( $fname );
 496
 497                 /* set up the default links for the personal toolbar */
 498                 $personal_urls = array();
 499                 if ($this->loggedin) {
 500                         $personal_urls['userpage'] = array(
 501                                 'text' => $this->username,
 502                                 'href' => &$this->userpageUrlDetails['href'],
 503                                 'class' => $this->userpageUrlDetails['exists']?false:'new',
 504                                 'active' => ( $this->userpageUrlDetails['href'] == $pageurl )
 505                         );
 506                         $usertalkUrlDetails = $this->makeTalkUrlDetails($this->userpage);
 507                         $personal_urls['mytalk'] = array(
 508                                 'text' => wfMsg('mytalk'),
 509                                 'href' => &$usertalkUrlDetails['href'],
 510                                 'class' => $usertalkUrlDetails['exists']?false:'new',
 511                                 'active' => ( $usertalkUrlDetails['href'] == $pageurl )
 512                         );
 513                         $href = self::makeSpecialUrl( 'Preferences' );
 514                         $personal_urls['preferences'] = array(
 515                                 'text' => wfMsg( 'mypreferences' ),
 516                                 'href' => $href,
 517                                 'active' => ( $href == $pageurl )
 518                         );
 519                         $href = self::makeSpecialUrl( 'Watchlist' );
 520                         $personal_urls['watchlist'] = array(
 521                                 'text' => wfMsg( 'mywatchlist' ),
 522                                 'href' => $href,
 523                                 'active' => ( $href == $pageurl )
 524                         );
 525
 526                         # We need to do an explicit check for Special:Contributions, as we
 527                         # have to match both the title, and the target (which could come
 528                         # from request values or be specified in "sub page" form. The plot
 529                         # thickens, because $wgTitle is altered for special pages, so doesn't
 530                         # contain the original alias-with-subpage.
 531                         $title = Title::newFromText( $wgRequest->getText( 'title' ) );
 532                         if( $title instanceof Title && $title->getNamespace() == NS_SPECIAL ) {
 533                                 list( $spName, $spPar ) =
 534                                         SpecialPage::resolveAliasWithSubpage( $title->getText() );
 535                                 $active = $spName == 'Contributions'
 536                                         && ( ( $spPar && $spPar == $this->username )
 537                                                 || $wgRequest->getText( 'target' ) == $this->username );
 538                         } else {
 539                                 $active = false;
 540                         }
 541
 542                         $href = self::makeSpecialUrlSubpage( 'Contributions', $this->username );
 543                         $personal_urls['mycontris'] = array(
 544                                 'text' => wfMsg( 'mycontris' ),
 545                                 'href' => $href,
 546                                 'active' => $active
 547                         );
 548                         $personal_urls['logout'] = array(
 549                                 'text' => wfMsg( 'userlogout' ),
 550                                 'href' => self::makeSpecialUrl( 'Userlogout',
 551                                         $wgTitle->isSpecial( 'Preferences' ) ? '' : "returnto={$this->thisurl}"
 552                                 ),
 553                                 'active' => false
 554                         );
 555                 } else {
 556                         if( $this->showIPinHeader() ) {
 557                                 $href = &$this->userpageUrlDetails['href'];
 558                                 $personal_urls['anonuserpage'] = array(
 559                                         'text' => $this->username,
 560                                         'href' => $href,
 561                                         'class' => $this->userpageUrlDetails['exists']?false:'new',
 562                                         'active' => ( $pageurl == $href )
 563                                 );
 564                                 $usertalkUrlDetails = $this->makeTalkUrlDetails($this->userpage);
 565                                 $href = &$usertalkUrlDetails['href'];
 566                                 $personal_urls['anontalk'] = array(
 567                                         'text' => wfMsg('anontalk'),
 568                                         'href' => $href,
 569                                         'class' => $usertalkUrlDetails['exists']?false:'new',
 570                                         'active' => ( $pageurl == $href )
 571                                 );
 572                                 $personal_urls['anonlogin'] = array(
 573                                         'text' => wfMsg('userlogin'),
 574                                         'href' => self::makeSpecialUrl( 'Userlogin', 'returnto=' . $this->thisurl ),
 575                                         'active' => $wgTitle->isSpecial( 'Userlogin' )
 576                                 );
 577                         } else {
 578
 579                                 $personal_urls['login'] = array(
 580                                         'text' => wfMsg('userlogin'),
 581                                         'href' => self::makeSpecialUrl( 'Userlogin', 'returnto=' . $this->thisurl ),
 582                                         'active' => $wgTitle->isSpecial( 'Userlogin' )
 583                                 );
 584                         }
 585                 }
 586
 587                 wfRunHooks( 'PersonalUrls', array( &$personal_urls, &$wgTitle ) );
 588                 wfProfileOut( $fname );
 589                 return $personal_urls;
 590         }
 591
 592         function tabAction( $title, $message, $selected, $query='', $checkEdit=false ) {
 593                 $classes = array();
 594                 if( $selected ) {
 595                         $classes[] = 'selected';
 596                 }
 597                 if( $checkEdit && $title->getArticleId() == 0 ) {
 598                         $classes[] = 'new';
 599                         $query = 'action=edit';
 600                 }
 601
 602                 $text = wfMsg( $message );
 603                 if ( wfEmptyMsg( $message, $text ) ) {
 604                         global $wgContLang;
 605                         $text = $wgContLang->getFormattedNsText( Namespace::getSubject( $title->getNamespace() ) );
 606                 }
 607
 608                 return array(
 609                         'class' => implode( ' ', $classes ),
 610                         'text' => $text,
 611                         'href' => $title->getLocalUrl( $query ) );
 612         }
 613
 614         function makeTalkUrlDetails( $name, $urlaction = '' ) {
 615                 $title = Title::newFromText( $name );
 616                 if( !is_object($title) ) {
 617                         throw new MWException( __METHOD__." given invalid pagename $name" );
 618                 }
 619                 $title = $title->getTalkPage();
 620                 self::checkTitle( $title, $name );
 621                 return array(
 622                         'href' => $title->getLocalURL( $urlaction ),
 623                         'exists' => $title->getArticleID() != 0 ? true : false
 624                 );
 625         }
 626
 627         function makeArticleUrlDetails( $name, $urlaction = '' ) {
 628                 $title = Title::newFromText( $name );
 629                 $title= $title->getSubjectPage();
 630                 self::checkTitle( $title, $name );
 631                 return array(
 632                         'href' => $title->getLocalURL( $urlaction ),
 633                         'exists' => $title->getArticleID() != 0 ? true : false
 634                 );
 635         }
 636
 637         /**
 638          * an array of edit links by default used for the tabs
 639          * @return array
 640          * @private
 641          */
 642         function buildContentActionUrls () {
 643                 global $wgContLang, $wgOut;
 644                 $fname = 'SkinTemplate::buildContentActionUrls';
 645                 wfProfileIn( $fname );
 646
 647                 global $wgUser, $wgRequest;
 648                 $action = $wgRequest->getText( 'action' );
 649                 $section = $wgRequest->getText( 'section' );
 650                 $content_actions = array();
 651
 652                 $prevent_active_tabs = false ;
 653                 wfRunHooks( 'SkinTemplatePreventOtherActiveTabs', array( &$this , &$prevent_active_tabs ) )     ;
 654
 655                 if( $this->iscontent ) {
 656                         $subjpage = $this->mTitle->getSubjectPage();
 657                         $talkpage = $this->mTitle->getTalkPage();
 658
 659                         $nskey = $this->mTitle->getNamespaceKey();
 660                         $content_actions[$nskey] = $this->tabAction(
 661                                 $subjpage,
 662                                 $nskey,
 663                                 !$this->mTitle->isTalkPage() && !$prevent_active_tabs,
 664                                 '', true);
 665
 666                         $content_actions['talk'] = $this->tabAction(
 667                                 $talkpage,
 668                                 'talk',
 669                                 $this->mTitle->isTalkPage() && !$prevent_active_tabs,
 670                                 '',
 671                                 true);
 672
 673                         wfProfileIn( "$fname-edit" );
 674                         if ( $this->mTitle->quickUserCan( 'edit' ) && ( $this->mTitle->exists() || $this->mTitle->quickUserCan( 'create' ) ) ) {
 675                                 $istalk = $this->mTitle->isTalkPage();
 676                                 $istalkclass = $istalk?' istalk':'';
 677                                 $content_actions['edit'] = array(
 678                                         'class' => ((($action == 'edit' or $action == 'submit') and $section != 'new') ? 'selected' : '').$istalkclass,
 679                                         'text' => wfMsg('edit'),
 680                                         'href' => $this->mTitle->getLocalUrl( $this->editUrlOptions() )
 681                                 );
 682
 683                                 if ( $istalk || $wgOut->showNewSectionLink() ) {
 684                                         $content_actions['addsection'] = array(
 685                                                 'class' => $section == 'new'?'selected':false,
 686                                                 'text' => wfMsg('addsection'),
 687                                                 'href' => $this->mTitle->getLocalUrl( 'action=edit&section=new' )
 688                                         );
 689                                 }
 690                         } else {
 691                                 $content_actions['viewsource'] = array(
 692                                         'class' => ($action == 'edit') ? 'selected' : false,
 693                                         'text' => wfMsg('viewsource'),
 694                                         'href' => $this->mTitle->getLocalUrl( $this->editUrlOptions() )
 695                                 );
 696                         }
 697                         wfProfileOut( "$fname-edit" );
 698
 699                         wfProfileIn( "$fname-live" );
 700                         if ( $this->mTitle->getArticleId() ) {
 701
 702                                 $content_actions['history'] = array(
 703                                         'class' => ($action == 'history') ? 'selected' : false,
 704                                         'text' => wfMsg('history_short'),
 705                                         'href' => $this->mTitle->getLocalUrl( 'action=history')
 706                                 );
 707
 708                                 if ( $this->mTitle->getNamespace() !== NS_MEDIAWIKI && $wgUser->isAllowed( 'protect' ) ) {
 709                                         if(!$this->mTitle->isProtected()){
 710                                                 $content_actions['protect'] = array(
 711                                                         'class' => ($action == 'protect') ? 'selected' : false,
 712                                                         'text' => wfMsg('protect'),
 713                                                         'href' => $this->mTitle->getLocalUrl( 'action=protect' )
 714                                                 );
 715
 716                                         } else {
 717                                                 $content_actions['unprotect'] = array(
 718                                                         'class' => ($action == 'unprotect') ? 'selected' : false,
 719                                                         'text' => wfMsg('unprotect'),
 720                                                         'href' => $this->mTitle->getLocalUrl( 'action=unprotect' )
 721                                                 );
 722                                         }
 723                                 }
 724                                 if($wgUser->isAllowed('delete')){
 725                                         $content_actions['delete'] = array(
 726                                                 'class' => ($action == 'delete') ? 'selected' : false,
 727                                                 'text' => wfMsg('delete'),
 728                                                 'href' => $this->mTitle->getLocalUrl( 'action=delete' )
 729                                         );
 730                                 }
 731                                 if ( $this->mTitle->quickUserCan( 'move' ) ) {
 732                                         $moveTitle = SpecialPage::getTitleFor( 'Movepage', $this->thispage );
 733                                         $content_actions['move'] = array(
 734                                                 'class' => $this->mTitle->isSpecial( 'Movepage' ) ? 'selected' : false,
 735                                                 'text' => wfMsg('move'),
 736                                                 'href' => $moveTitle->getLocalUrl()
 737                                         );
 738                                 }
 739                         } else {
 740                                 //article doesn't exist or is deleted
 741                                 if( $wgUser->isAllowed( 'delete' ) ) {
 742                                         if( $n = $this->mTitle->isDeleted() ) {
 743                                                 $undelTitle = SpecialPage::getTitleFor( 'Undelete' );
 744                                                 $content_actions['undelete'] = array(
 745                                                         'class' => false,
 746                                                         'text' => wfMsgExt( 'undelete_short', array( 'parsemag' ), $n ),
 747                                                         'href' => $undelTitle->getLocalUrl( 'target=' . urlencode( $this->thispage ) )
 748                                                         #'href' => self::makeSpecialUrl( "Undelete/$this->thispage" )
 749                                                 );
 750                                         }
 751                                 }
 752                         }
 753                         wfProfileOut( "$fname-live" );
 754
 755                         if( $this->loggedin ) {
 756                                 if( !$this->mTitle->userIsWatching()) {
 757                                         $content_actions['watch'] = array(
 758                                                 'class' => ($action == 'watch' or $action == 'unwatch') ? 'selected' : false,
 759                                                 'text' => wfMsg('watch'),
 760                                                 'href' => $this->mTitle->getLocalUrl( 'action=watch' )
 761                                         );
 762                                 } else {
 763                                         $content_actions['unwatch'] = array(
 764                                                 'class' => ($action == 'unwatch' or $action == 'watch') ? 'selected' : false,
 765                                                 'text' => wfMsg('unwatch'),
 766                                                 'href' => $this->mTitle->getLocalUrl( 'action=unwatch' )
 767                                         );
 768                                 }
 769                         }
 770
 771
 772                         wfRunHooks( 'SkinTemplateTabs', array( &$this , &$content_actions ) )   ;
 773                 } else {
 774                         /* show special page tab */
 775
 776                         $content_actions[$this->mTitle->getNamespaceKey()] = array(
 777                                 'class' => 'selected',
 778                                 'text' => wfMsg('nstab-special'),
 779                                 'href' => $wgRequest->getRequestURL(), // @bug 2457, 2510
 780                         );
 781
 782                         wfRunHooks( 'SkinTemplateBuildContentActionUrlsAfterSpecialPage', array( &$this, &$content_actions ) );
 783                 }
 784
 785                 /* show links to different language variants */
 786                 global $wgDisableLangConversion;
 787                 $variants = $wgContLang->getVariants();
 788                 if( !$wgDisableLangConversion && sizeof( $variants ) > 1 ) {
 789                         $preferred = $wgContLang->getPreferredVariant();
 790                         $vcount=0;
 791                         foreach( $variants as $code ) {
 792                                 $varname = $wgContLang->getVariantname( $code );
 793                                 if( $varname == 'disable' )
 794                                         continue;
 795                                 $selected = ( $code == $preferred )? 'selected' : false;
 796                                 $content_actions['varlang-' . $vcount] = array(
 797                                                 'class' => $selected,
 798                                                 'text' => $varname,
 799                                                 'href' => $this->mTitle->getLocalURL('',$code)
 800                                         );
 801                                 $vcount ++;
 802                         }
 803                 }
 804
 805                 wfRunHooks( 'SkinTemplateContentActions', array( &$content_actions ) );
 806
 807                 wfProfileOut( $fname );
 808                 return $content_actions;
 809         }
 810
 811
 812
 813         /**
 814          * build array of common navigation links
 815          * @return array
 816          * @private
 817          */
 818         function buildNavUrls () {
 819                 global $wgUseTrackbacks, $wgTitle, $wgArticle;
 820
 821                 $fname = 'SkinTemplate::buildNavUrls';
 822                 wfProfileIn( $fname );
 823
 824                 global $wgUser, $wgRequest;
 825                 global $wgEnableUploads, $wgUploadNavigationUrl;
 826
 827                 $action = $wgRequest->getText( 'action' );
 828                 $oldid = $wgRequest->getVal( 'oldid' );
 829
 830                 $nav_urls = array();
 831                 $nav_urls['mainpage'] = array( 'href' => self::makeMainPageUrl() );
 832                 if( $wgEnableUploads ) {
 833                         if ($wgUploadNavigationUrl) {
 834                                 $nav_urls['upload'] = array( 'href' => $wgUploadNavigationUrl );
 835                         } else {
 836                                 $nav_urls['upload'] = array( 'href' => self::makeSpecialUrl( 'Upload' ) );
 837                         }
 838                 } else {
 839                         if ($wgUploadNavigationUrl)
 840                                 $nav_urls['upload'] = array( 'href' => $wgUploadNavigationUrl );
 841                         else
 842                                 $nav_urls['upload'] = false;
 843                 }
 844                 $nav_urls['specialpages'] = array( 'href' => self::makeSpecialUrl( 'Specialpages' ) );
 845
 846                 // default permalink to being off, will override it as required below.
 847                 $nav_urls['permalink'] = false;
 848
 849                 // A print stylesheet is attached to all pages, but nobody ever
 850                 // figures that out. :)  Add a link...
 851                 if( $this->iscontent && ($action == '' || $action == 'view' || $action == 'purge' ) ) {
 852                         $nav_urls['print'] = array(
 853                                 'text' => wfMsg( 'printableversion' ),
 854                                 'href' => $wgRequest->appendQuery( 'printable=yes' )
 855                         );
 856
 857                         // Also add a "permalink" while we're at it
 858                         if ( (int)$oldid ) {
 859                                 $nav_urls['permalink'] = array(
 860                                         'text' => wfMsg( 'permalink' ),
 861                                         'href' => ''
 862                                 );
 863                         } else {
 864                                 $revid = $wgArticle ? $wgArticle->getLatest() : 0;
 865                                 if ( !( $revid == 0 )  )
 866                                         $nav_urls['permalink'] = array(
 867                                                 'text' => wfMsg( 'permalink' ),
 868                                                 'href' => $wgTitle->getLocalURL( "oldid=$revid" )
 869                                         );
 870                         }
 871
 872                         wfRunHooks( 'SkinTemplateBuildNavUrlsNav_urlsAfterPermalink', array( &$this, &$nav_urls, &$oldid, &$revid ) );
 873                 }
 874
 875                 if( $this->mTitle->getNamespace() != NS_SPECIAL ) {
 876                         $wlhTitle = SpecialPage::getTitleFor( 'Whatlinkshere', $this->thispage );
 877                         $nav_urls['whatlinkshere'] = array(
 878                                 'href' => $wlhTitle->getLocalUrl()
 879                         );
 880                         if( $this->mTitle->getArticleId() ) {
 881                                 $rclTitle = SpecialPage::getTitleFor( 'Recentchangeslinked', $this->thispage );
 882                                 $nav_urls['recentchangeslinked'] = array(
 883                                         'href' => $rclTitle->getLocalUrl()
 884                                 );
 885                         } else {
 886                                 $nav_urls['recentchangeslinked'] = false;
 887                         }
 888                         if ($wgUseTrackbacks)
 889                                 $nav_urls['trackbacklink'] = array(
 890                                         'href' => $wgTitle->trackbackURL()
 891                                 );
 892                 }
 893
 894                 if( $this->mTitle->getNamespace() == NS_USER || $this->mTitle->getNamespace() == NS_USER_TALK ) {
 895                         $id = User::idFromName($this->mTitle->getText());
 896                         $ip = User::isIP($this->mTitle->getText());
 897                 } else {
 898                         $id = 0;
 899                         $ip = false;
 900                 }
 901
 902                 if($id || $ip) { # both anons and non-anons have contri list
 903                         $nav_urls['contributions'] = array(
 904                                 'href' => self::makeSpecialUrlSubpage( 'Contributions', $this->mTitle->getText() )
 905                         );
 906                         if ( $wgUser->isAllowed( 'block' ) ) {
 907                                 $nav_urls['blockip'] = array(
 908                                         'href' => self::makeSpecialUrlSubpage( 'Blockip', $this->mTitle->getText() )
 909                                 );
 910                         } else {
 911                                 $nav_urls['blockip'] = false;
 912                         }
 913                 } else {
 914                         $nav_urls['contributions'] = false;
 915                         $nav_urls['blockip'] = false;
 916                 }
 917                 $nav_urls['emailuser'] = false;
 918                 if( $this->showEmailUser( $id ) ) {
 919                         $nav_urls['emailuser'] = array(
 920                                 'href' => self::makeSpecialUrlSubpage( 'Emailuser', $this->mTitle->getText() )
 921                         );
 922                 }
 923                 wfProfileOut( $fname );
 924                 return $nav_urls;
 925         }
 926
 927         /**
 928          * Generate strings used for xml 'id' names
 929          * @return string
 930          * @private
 931          */
 932         function getNameSpaceKey () {
 933                 return $this->mTitle->getNamespaceKey();
 934         }
 935
 936         /**
 937          * @private
 938          */
 939         function setupUserCss() {
 940                 $fname = 'SkinTemplate::setupUserCss';
 941                 wfProfileIn( $fname );
 942
 943                 global $wgRequest, $wgAllowUserCss, $wgUseSiteCss, $wgContLang, $wgSquidMaxage, $wgStylePath, $wgUser;
 944
 945                 $sitecss = '';
 946                 $usercss = '';
 947                 $siteargs = '&maxage=' . $wgSquidMaxage;
 948                 if( $this->loggedin ) {
 949                         // Ensure that logged-in users' generated CSS isn't clobbered
 950                         // by anons' publicly cacheable generated CSS.
 951                         $siteargs .= '&smaxage=0';
 952                 }
 953
 954                 # Add user-specific code if this is a user and we allow that kind of thing
 955
 956                 if ( $wgAllowUserCss && $this->loggedin ) {
 957                         $action = $wgRequest->getText('action');
 958
 959                         # if we're previewing the CSS page, use it
 960                         if( $this->mTitle->isCssSubpage() and $this->userCanPreview( $action ) ) {
 961                                 $siteargs = "&smaxage=0&maxage=0";
 962                                 $usercss = $wgRequest->getText('wpTextbox1');
 963                         } else {
 964                                 $usercss = '@import "' .
 965                                   self::makeUrl($this->userpage . '/'.$this->skinname.'.css',
 966                                                                  'action=raw&ctype=text/css') . '";' ."\n";
 967                         }
 968
 969                         $siteargs .= '&ts=' . $wgUser->mTouched;
 970                 }
 971
 972                 if( $wgContLang->isRTL() ) {
 973                         global $wgStyleVersion;
 974                         $sitecss .= "@import \"$wgStylePath/$this->stylename/rtl.css?$wgStyleVersion\";\n";
 975                 }
 976
 977                 # If we use the site's dynamic CSS, throw that in, too
 978                 if ( $wgUseSiteCss ) {
 979                         $query = "usemsgcache=yes&action=raw&ctype=text/css&smaxage=$wgSquidMaxage";
 980                         $sitecss .= '@import "' . self::makeNSUrl( 'Common.css', $query, NS_MEDIAWIKI) . '";' . "\n";
 981                         $sitecss .= '@import "' . self::makeNSUrl( ucfirst( $this->skinname ) . '.css', $query, NS_MEDIAWIKI ) . '";' . "\n";
 982                         $sitecss .= '@import "' . self::makeUrl( '-', 'action=raw&gen=css' . $siteargs ) . '";' . "\n";
 983                 }
 984
 985                 # If we use any dynamic CSS, make a little CDATA block out of it.
 986
 987                 if ( !empty($sitecss) || !empty($usercss) ) {
 988                         $this->usercss = "/*<![CDATA[*/\n" . $sitecss . $usercss . '/*]]>*/';
 989                 }
 990                 wfProfileOut( $fname );
 991         }
 992
 993         /**
 994          * @private
 995          */
 996         function setupUserJs() {
 997                 $fname = 'SkinTemplate::setupUserJs';
 998                 wfProfileIn( $fname );
 999
1000                 global $wgRequest, $wgAllowUserJs, $wgJsMimeType;
1001                 $action = $wgRequest->getText('action');
1002
1003                 if( $wgAllowUserJs && $this->loggedin ) {
1004                         if( $this->mTitle->isJsSubpage() and $this->userCanPreview( $action ) ) {
1005                                 # XXX: additional security check/prompt?
1006                                 $this->userjsprev = '/*<![CDATA[*/ ' . $wgRequest->getText('wpTextbox1') . ' /*]]>*/';
1007                         } else {
1008                                 $this->userjs = self::makeUrl($this->userpage.'/'.$this->skinname.'.js', 'action=raw&ctype='.$wgJsMimeType.'&dontcountme=s');
1009                         }
1010                 }
1011                 wfProfileOut( $fname );
1012         }
1013
1014         /**
1015          * Code for extensions to hook into to provide per-page CSS, see
1016          * extensions/PageCSS/PageCSS.php for an implementation of this.
1017          *
1018          * @private
1019          */
1020         function setupPageCss() {
1021                 $fname = 'SkinTemplate::setupPageCss';
1022                 wfProfileIn( $fname );
1023                 $out = false;
1024                 wfRunHooks( 'SkinTemplateSetupPageCss', array( &$out ) );
1025
1026                 wfProfileOut( $fname );
1027                 return $out;
1028         }
1029
1030         /**
1031          * returns css with user-specific options
1032          * @public
1033          */
1034
1035         function getUserStylesheet() {
1036                 $fname = 'SkinTemplate::getUserStylesheet';
1037                 wfProfileIn( $fname );
1038
1039                 $s = "/* generated user stylesheet */\n";
1040                 $s .= $this->reallyDoGetUserStyles();
1041                 wfProfileOut( $fname );
1042                 return $s;
1043         }
1044
1045         /**
1046          * This returns MediaWiki:Common.js and MediaWiki:[Skinname].js concate-
1047          * nated together.  For some bizarre reason, it does *not* return any
1048          * custom user JS from subpages.  Huh?
1049          *
1050          * There's absolutely no reason to have separate Monobook/Common JSes.
1051          * Any JS that cares can just check the skin variable generated at the
1052          * top.  For now Monobook.js will be maintained, but it should be consi-
1053          * dered deprecated.
1054          *
1055          * @return string
1056          */
1057         public function getUserJs() {
1058                 $fname = 'SkinTemplate::getUserJs';
1059                 wfProfileIn( $fname );
1060
1061                 $s = parent::getUserJs();
1062                 $s .= "\n\n/* MediaWiki:".ucfirst($this->skinname).".js (deprecated; migrate to Common.js!) */\n";
1063
1064                 // avoid inclusion of non defined user JavaScript (with custom skins only)
1065                 // by checking for default message content
1066                 $msgKey = ucfirst($this->skinname).'.js';
1067                 $userJS = wfMsgForContent($msgKey);
1068                 if ( !wfEmptyMsg( $msgKey, $userJS ) ) {
1069                         $s .= $userJS;
1070                 }
1071
1072                 wfProfileOut( $fname );
1073                 return $s;
1074         }
1075 }
1076
1077 /**
1078  * Generic wrapper for template functions, with interface
1079  * compatible with what we use of PHPTAL 0.7.
1080  * @addtogroup Skins
1081  */
1082 class QuickTemplate {
1083         /**
1084          * @public
1085          */
1086         function QuickTemplate() {
1087                 $this->data = array();
1088                 $this->translator = new MediaWiki_I18N();
1089         }
1090
1091         /**
1092          * @public
1093          */
1094         function set( $name, $value ) {
1095                 $this->data[$name] = $value;
1096         }
1097
1098         /**
1099          * @public
1100          */
1101         function setRef($name, &$value) {
1102                 $this->data[$name] =& $value;
1103         }
1104
1105         /**
1106          * @public
1107          */
1108         function setTranslator( &$t ) {
1109                 $this->translator = &$t;
1110         }
1111
1112         /**
1113          * @public
1114          */
1115         function execute() {
1116                 echo "Override this function.";
1117         }
1118
1119
1120         /**
1121          * @private
1122          */
1123         function text( $str ) {
1124                 echo htmlspecialchars( $this->data[$str] );
1125         }
1126
1127         /**
1128          * @private
1129          */
1130         function jstext( $str ) {
1131                 echo Xml::escapeJsString( $this->data[$str] );
1132         }
1133
1134         /**
1135          * @private
1136          */
1137         function html( $str ) {
1138                 echo $this->data[$str];
1139         }
1140
1141         /**
1142          * @private
1143          */
1144         function msg( $str ) {
1145                 echo htmlspecialchars( $this->translator->translate( $str ) );
1146         }
1147
1148         /**
1149          * @private
1150          */
1151         function msgHtml( $str ) {
1152                 echo $this->translator->translate( $str );
1153         }
1154
1155         /**
1156          * An ugly, ugly hack.
1157          * @private
1158          */
1159         function msgWiki( $str ) {
1160                 global $wgParser, $wgTitle, $wgOut;
1161
1162                 $text = $this->translator->translate( $str );
1163                 $parserOutput = $wgParser->parse( $text, $wgTitle,
1164                         $wgOut->parserOptions(), true );
1165                 echo $parserOutput->getText();
1166         }
1167
1168         /**
1169          * @private
1170          */
1171         function haveData( $str ) {
1172                 return isset( $this->data[$str] );
1173         }
1174
1175         /**
1176          * @private
1177          */
1178         function haveMsg( $str ) {
1179                 $msg = $this->translator->translate( $str );
1180                 return ($msg != '-') && ($msg != ''); # ????
1181         }
1182 }
1183 ?>