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