Fix r100138 per Nikas CR: "always use explicit conversion to string with wfMessage"
[lhc/web/wiklou.git] / includes / HistoryPage.php
index 63b14b1..11315ac 100644 (file)
  * history.
  *
  */
-class HistoryPage {
+class HistoryPage extends ContextSource {
        const DIR_PREV = 0;
        const DIR_NEXT = 1;
 
-       /** Contains the Article object. Passed on construction. */
-       private $article;
-       /** The $article title object. Found on construction. */
-       private $title;
-       /** Shortcut to the user Skin object. */
-       private $skin;
+       /** Contains the Page object. Passed on construction. */
+       protected $article;
 
        /**
         * Construct a new HistoryPage.
         *
         * @param $article Article
         */
-       function __construct( $article ) {
-               global $wgUser;
-               $this->article = $article;
-               $this->title = $article->getTitle();
-               $this->skin = $wgUser->getSkin();
+       function __construct( Page $page, IContextSource $context ) {
+               $this->article = $page;
+               $this->context = clone $context; // don't clobber the main context
+               $this->context->setTitle( $page->getTitle() ); // must match
                $this->preCacheMessages();
        }
 
-       /** Get the Article object we are working on. */
+       /**
+        * Get the Article object we are working on.
+        * @return Page
+        */
        public function getArticle() {
                return $this->article;
        }
 
-       /** Get the Title object. */
-       public function getTitle() {
-               return $this->title;
-       }
-
        /**
         * As we use the same small set of messages in various methods and that
         * they are called often, we call them once and save them in $this->message
@@ -68,52 +61,61 @@ class HistoryPage {
         * @return nothing
         */
        function history() {
-               global $wgOut, $wgRequest, $wgScript;
+               global $wgScript, $wgUseFileCache;
+               $out = $this->getOutput();
+               $request = $this->getRequest();
 
                /**
                 * Allow client caching.
                 */
-               if ( $wgOut->checkLastModified( $this->article->getTouched() ) )
+               if ( $out->checkLastModified( $this->article->getTouched() ) ) {
                        return; // Client cache fresh and headers sent, nothing more to do.
+               }
 
                wfProfileIn( __METHOD__ );
 
+               # Fill in the file cache if not set already
+               if ( $wgUseFileCache && HTMLFileCache::useFileCache( $this->getContext() ) ) {
+                       $cache = HTMLFileCache::newFromTitle( $this->getTitle(), 'history' );
+                       if ( !$cache->isCacheGood( /* Assume up to date */ ) ) {
+                               ob_start( array( &$cache, 'saveToFileCache' ) );
+                       }
+               }
+
                // Setup page variables.
-               $wgOut->setPageTitle( wfMsg( 'history-title', $this->title->getPrefixedText() ) );
-               $wgOut->setPageTitleActionText( wfMsg( 'history_short' ) );
-               $wgOut->setArticleFlag( false );
-               $wgOut->setArticleRelated( true );
-               $wgOut->setRobotPolicy( 'noindex,nofollow' );
-               $wgOut->setSyndicated( true );
-               $wgOut->setFeedAppendQuery( 'action=history' );
-               $wgOut->addModules( array( 'mediawiki.legacy.history', 'mediawiki.action.history' ) );
+               $out->setPageTitle( wfMsg( 'history-title', $this->getTitle()->getPrefixedText() ) );
+               $out->setPageTitleActionText( wfMsg( 'history_short' ) );
+               $out->setArticleFlag( false );
+               $out->setArticleRelated( true );
+               $out->setRobotPolicy( 'noindex,nofollow' );
+               $out->setFeedAppendQuery( 'action=history' );
+               $out->addModules( array( 'mediawiki.legacy.history', 'mediawiki.action.history' ) );
 
                // Creation of a subtitle link pointing to [[Special:Log]]
                $logPage = SpecialPage::getTitleFor( 'Log' );
-               $logLink = $this->skin->link(
+               $logLink = Linker::linkKnown(
                        $logPage,
                        wfMsgHtml( 'viewpagelogs' ),
                        array(),
-                       array( 'page' => $this->title->getPrefixedText() ),
-                       array( 'known', 'noclasses' )
+                       array( 'page' => $this->getTitle()->getPrefixedText() )
                );
-               $wgOut->setSubtitle( $logLink );
+               $out->setSubtitle( $logLink );
 
                // Handle atom/RSS feeds.
-               $feedType = $wgRequest->getVal( 'feed' );
+               $feedType = $request->getVal( 'feed' );
                if ( $feedType ) {
                        wfProfileOut( __METHOD__ );
                        return $this->feed( $feedType );
                }
 
                // Fail nicely if article doesn't exist.
-               if ( !$this->title->exists() ) {
-                       $wgOut->addWikiMsg( 'nohistory' );
+               if ( !$this->getTitle()->exists() ) {
+                       $out->addWikiMsg( 'nohistory' );
                        # show deletion/move log if there is an entry
                        LogEventsList::showLogExtract(
-                               $wgOut,
+                               $out,
                                array( 'delete', 'move' ),
-                               $this->title->getPrefixedText(),
+                               $this->getTitle(),
                                '',
                                array(  'lim' => 10,
                                        'conds' => array( "log_action != 'revision'" ),
@@ -128,32 +130,32 @@ class HistoryPage {
                /**
                 * Add date selector to quickly get to a certain time
                 */
-               $year        = $wgRequest->getInt( 'year' );
-               $month       = $wgRequest->getInt( 'month' );
-               $tagFilter   = $wgRequest->getVal( 'tagfilter' );
+               $year        = $request->getInt( 'year' );
+               $month       = $request->getInt( 'month' );
+               $tagFilter   = $request->getVal( 'tagfilter' );
                $tagSelector = ChangeTags::buildTagFilterSelector( $tagFilter );
 
                /**
                 * Option to show only revisions that have been (partially) hidden via RevisionDelete
                 */
-               if ( $wgRequest->getBool( 'deleted' ) ) {
+               if ( $request->getBool( 'deleted' ) ) {
                        $conds = array( "rev_deleted != '0'" );
                } else {
                        $conds = array();
                }
                $checkDeleted = Xml::checkLabel( wfMsg( 'history-show-deleted' ),
-                       'deleted', 'mw-show-deleted-only', $wgRequest->getBool( 'deleted' ) ) . "\n";
+                       'deleted', 'mw-show-deleted-only', $request->getBool( 'deleted' ) ) . "\n";
 
                // Add the general form
                $action = htmlspecialchars( $wgScript );
-               $wgOut->addHTML(
+               $out->addHTML(
                        "<form action=\"$action\" method=\"get\" id=\"mw-history-searchform\">" .
                        Xml::fieldset(
                                wfMsg( 'history-fieldset-title' ),
                                false,
                                array( 'id' => 'mw-history-search' )
                        ) .
-                       Html::hidden( 'title', $this->title->getPrefixedDBKey() ) . "\n" .
+                       Html::hidden( 'title', $this->getTitle()->getPrefixedDBKey() ) . "\n" .
                        Html::hidden( 'action', 'history' ) . "\n" .
                        Xml::dateMenu( $year, $month ) . '&#160;' .
                        ( $tagSelector ? ( implode( '&#160;', $tagSelector ) . '&#160;' ) : '' ) .
@@ -166,12 +168,12 @@ class HistoryPage {
 
                // Create and output the list.
                $pager = new HistoryPager( $this, $year, $month, $tagFilter, $conds );
-               $wgOut->addHTML(
+               $out->addHTML(
                        $pager->getNavigationBar() .
                        $pager->getBody() .
                        $pager->getNavigationBar()
                );
-               $wgOut->preventClickjacking( $pager->getPreventClickjacking() );
+               $out->preventClickjacking( $pager->getPreventClickjacking() );
 
                wfProfileOut( __METHOD__ );
        }
@@ -201,7 +203,7 @@ class HistoryPage {
                        $offsets = array();
                }
 
-               $page_id = $this->title->getArticleID();
+               $page_id = $this->getTitle()->getArticleID();
 
                return $dbr->select( 'revision',
                        Revision::selectFields(),
@@ -218,21 +220,22 @@ class HistoryPage {
         * @param $type String: feed type
         */
        function feed( $type ) {
-               global $wgFeedClasses, $wgRequest, $wgFeedLimit;
+               global $wgFeedClasses, $wgFeedLimit;
                if ( !FeedUtils::checkFeedOutput( $type ) ) {
                        return;
                }
+               $request = $this->getRequest();
 
                $feed = new $wgFeedClasses[$type](
-                       $this->title->getPrefixedText() . ' - ' .
+                       $this->getTitle()->getPrefixedText() . ' - ' .
                        wfMsgForContent( 'history-feed-title' ),
                        wfMsgForContent( 'history-feed-description' ),
-                       $this->title->getFullUrl( 'action=history' )
+                       $this->getTitle()->getFullUrl( 'action=history' )
                );
 
                // Get a limit on number of feed entries. Provide a sane default
                // of 10 if none is defined (but limit to $wgFeedLimit max)
-               $limit = $wgRequest->getInt( 'limit', 10 );
+               $limit = $request->getInt( 'limit', 10 );
                if ( $limit > $wgFeedLimit || $limit < 1 ) {
                        $limit = 10;
                }
@@ -251,14 +254,13 @@ class HistoryPage {
        }
 
        function feedEmpty() {
-               global $wgOut;
                return new FeedItem(
                        wfMsgForContent( 'nohistory' ),
-                       $wgOut->parse( wfMsgForContent( 'history-feed-empty' ) ),
-                       $this->title->getFullUrl(),
+                       $this->getOutput()->parse( wfMsgForContent( 'history-feed-empty' ) ),
+                       $this->getTitle()->getFullUrl(),
                        wfTimestamp( TS_MW ),
                        '',
-                       $this->title->getTalkPage()->getFullUrl()
+                       $this->getTitle()->getTalkPage()->getFullUrl()
                );
        }
 
@@ -272,10 +274,10 @@ class HistoryPage {
         */
        function feedItem( $row ) {
                $rev = new Revision( $row );
-               $rev->setTitle( $this->title );
+               $rev->setTitle( $this->getTitle() );
                $text = FeedUtils::formatDiffRow(
-                       $this->title,
-                       $this->title->getPreviousRevisionID( $rev->getId() ),
+                       $this->getTitle(),
+                       $this->getTitle()->getPreviousRevisionID( $rev->getId() ),
                        $rev->getId(),
                        $rev->getTimestamp(),
                        $rev->getComment()
@@ -296,10 +298,10 @@ class HistoryPage {
                return new FeedItem(
                        $title,
                        $text,
-                       $this->title->getFullUrl( 'diff=' . $rev->getId() . '&oldid=prev' ),
+                       $this->getTitle()->getFullUrl( 'diff=' . $rev->getId() . '&oldid=prev' ),
                        $rev->getTimestamp(),
                        $rev->getUserText(),
-                       $this->title->getTalkPage()->getFullUrl()
+                       $this->getTitle()->getTalkPage()->getFullUrl()
                );
        }
 }
@@ -326,6 +328,10 @@ class HistoryPager extends ReverseChronologicalPager {
                return $this->historyPage->getArticle();
        }
 
+       function getTitle() {
+               return $this->title;
+       }
+
        function getSqlComment() {
                if ( $this->conds ) {
                        return 'history page filtered'; // potentially slow, see CR r58153
@@ -339,7 +345,7 @@ class HistoryPager extends ReverseChronologicalPager {
                        'tables'  => array( 'revision' ),
                        'fields'  => Revision::selectFields(),
                        'conds'   => array_merge(
-                               array( 'rev_page' => $this->historyPage->getTitle()->getArticleID() ),
+                               array( 'rev_page' => $this->title->getArticleID() ),
                                $this->conds ),
                        'options' => array( 'USE INDEX' => array( 'revision' => 'page_timestamp' ) ),
                        'join_conds' => array( 'tag_summary' => array( 'LEFT JOIN', 'ts_rev_id=rev_id' ) ),
@@ -397,31 +403,25 @@ class HistoryPager extends ReverseChronologicalPager {
                $this->buttons = '<div>';
                $this->buttons .= $this->submitButton( wfMsg( 'compareselectedversions' ),
                        array( 'class' => 'historysubmit' )
-                               + $wgUser->getSkin()->tooltipAndAccessKeyAttribs( 'compareselectedversions' )
+                               + Linker::tooltipAndAccesskeyAttribs( 'compareselectedversions' )
                ) . "\n";
 
                if ( $wgUser->isAllowed( 'deleterevision' ) ) {
                        $s .= $this->getRevisionButton( 'revisiondelete', 'showhideselectedversions' );
                }
-               if ( $wgUser->isAllowed( 'revisionmove' ) ) {
-                       $s .= $this->getRevisionButton( 'revisionmove', 'revisionmoveselectedversions' );
-               }
                $this->buttons .= '</div>';
                $s .= '</div><ul id="pagehistory">' . "\n";
                return $s;
        }
 
        private function getRevisionButton( $name, $msg ) {
-               global $wgContLang;
                $this->preventClickjacking();
-               $float = $wgContLang->alignEnd();
                # Note bug #20966, <button> is non-standard in IE<8
                $element = Html::element( 'button',
                        array(
                                'type' => 'submit',
                                'name' => $name,
                                'value' => '1',
-                               'style' => "float: $float;",
                                'class' => "mw-history-$name-button",
                        ),
                        wfMsg( $msg )
@@ -510,11 +510,10 @@ class HistoryPager extends ReverseChronologicalPager {
 
                $del = '';
                // Show checkboxes for each revision
-               if ( $wgUser->isAllowed( 'deleterevision' ) || $wgUser->isAllowed( 'revisionmove' ) ) {
+               if ( $wgUser->isAllowed( 'deleterevision' ) ) {
                        $this->preventClickjacking();
                        // If revision was hidden from sysops, disable the checkbox
-                       // However, if the user has revisionmove rights, we cannot disable the checkbox
-                       if ( !$rev->userCan( Revision::DELETED_RESTRICTED ) && !$wgUser->isAllowed( 'revisionmove' ) ) {
+                       if ( !$rev->userCan( Revision::DELETED_RESTRICTED ) ) {
                                $del = Xml::check( 'deleterevisions', false, array( 'disabled' => 'disabled' ) );
                        // Otherwise, enable the checkbox...
                        } else {
@@ -522,15 +521,15 @@ class HistoryPager extends ReverseChronologicalPager {
                                        array( 'name' => 'ids[' . $rev->getId() . ']' ) );
                        }
                // User can only view deleted revisions...
-               } else if ( $rev->getVisibility() && $wgUser->isAllowed( 'deletedhistory' ) ) {
+               } elseif ( $rev->getVisibility() && $wgUser->isAllowed( 'deletedhistory' ) ) {
                        // If revision was hidden from sysops, disable the link
                        if ( !$rev->userCan( Revision::DELETED_RESTRICTED ) ) {
-                               $cdel = $this->getSkin()->revDeleteLinkDisabled( false );
+                               $cdel = Linker::revDeleteLinkDisabled( false );
                        // Otherwise, show the link...
                        } else {
                                $query = array( 'type' => 'revision',
                                        'target' => $this->title->getPrefixedDbkey(), 'ids' => $rev->getId() );
-                               $del .= $this->getSkin()->revDeleteLink( $query,
+                               $del .= Linker::revDeleteLink( $query,
                                        $rev->isDeleted( Revision::DELETED_RESTRICTED ), false );
                        }
                }
@@ -538,19 +537,23 @@ class HistoryPager extends ReverseChronologicalPager {
                        $s .= " $del ";
                }
 
+               $dirmark = $wgLang->getDirMark();
+
                $s .= " $link";
+               $s .= $dirmark;
                $s .= " <span class='history-user'>" .
-                       $this->getSkin()->revUserTools( $rev, true ) . "</span>";
+                       Linker::revUserTools( $rev, true ) . "</span>";
+               $s .= $dirmark;
 
                if ( $rev->isMinor() ) {
                        $s .= ' ' . ChangesList::flag( 'minor' );
                }
 
                if ( !is_null( $size = $rev->getSize() ) && !$rev->isDeleted( Revision::DELETED_TEXT ) ) {
-                       $s .= ' ' . $this->getSkin()->formatRevisionSize( $size );
+                       $s .= ' ' . Linker::formatRevisionSize( $size );
                }
 
-               $s .= $this->getSkin()->revComment( $rev, false, true );
+               $s .= Linker::revComment( $rev, false, true );
 
                if ( $notificationtimestamp && ( $row->rev_timestamp >= $notificationtimestamp ) ) {
                        $s .= ' <span class="updatedmarker">' .  wfMsgHtml( 'updatedmarker' ) . '</span>';
@@ -563,7 +566,7 @@ class HistoryPager extends ReverseChronologicalPager {
                        if ( $latest && $this->title->userCan( 'rollback' ) && $this->title->userCan( 'edit' ) ) {
                                $this->preventClickjacking();
                                $tools[] = '<span class="mw-rollback-link">' .
-                                       $this->getSkin()->buildRollbackLink( $rev ) . '</span>';
+                                       Linker::buildRollbackLink( $rev ) . '</span>';
                        }
 
                        if ( $this->title->quickUserCan( 'edit' )
@@ -574,7 +577,7 @@ class HistoryPager extends ReverseChronologicalPager {
                                $undoTooltip = $latest
                                        ? array( 'title' => wfMsg( 'tooltip-undo' ) )
                                        : array();
-                               $undolink = $this->getSkin()->link(
+                               $undolink = Linker::linkKnown(
                                        $this->title,
                                        wfMsgHtml( 'editundo' ),
                                        $undoTooltip,
@@ -582,8 +585,7 @@ class HistoryPager extends ReverseChronologicalPager {
                                                'action' => 'edit',
                                                'undoafter' => $next->rev_id,
                                                'undo' => $rev->getId()
-                                       ),
-                                       array( 'known', 'noclasses' )
+                                       )
                                );
                                $tools[] = "<span class=\"mw-history-undo\">{$undolink}</span>";
                        }
@@ -619,12 +621,11 @@ class HistoryPager extends ReverseChronologicalPager {
                $date = $wgLang->timeanddate( wfTimestamp( TS_MW, $rev->getTimestamp() ), true );
                $date = htmlspecialchars( $date );
                if ( $rev->userCan( Revision::DELETED_TEXT ) ) {
-                       $link = $this->getSkin()->link(
+                       $link = Linker::linkKnown(
                                $this->title,
                                $date,
                                array(),
-                               array( 'oldid' => $rev->getId() ),
-                               array( 'known', 'noclasses' )
+                               array( 'oldid' => $rev->getId() )
                        );
                } else {
                        $link = $date;
@@ -647,15 +648,14 @@ class HistoryPager extends ReverseChronologicalPager {
                if ( $latest || !$rev->userCan( Revision::DELETED_TEXT ) ) {
                        return $cur;
                } else {
-                       return $this->getSkin()->link(
+                       return Linker::linkKnown(
                                $this->title,
                                $cur,
                                array(),
                                array(
                                        'diff' => $this->title->getLatestRevID(),
                                        'oldid' => $rev->getId()
-                               ),
-                               array( 'known', 'noclasses' )
+                               )
                        );
                }
        }
@@ -676,30 +676,28 @@ class HistoryPager extends ReverseChronologicalPager {
                        return $last;
                } elseif ( $next === 'unknown' ) {
                        # Next row probably exists but is unknown, use an oldid=prev link
-                       return $this->getSkin()->link(
+                       return Linker::linkKnown(
                                $this->title,
                                $last,
                                array(),
                                array(
                                        'diff' => $prevRev->getId(),
                                        'oldid' => 'prev'
-                               ),
-                               array( 'known', 'noclasses' )
+                               )
                        );
                } elseif ( !$prevRev->userCan( Revision::DELETED_TEXT )
                        || !$nextRev->userCan( Revision::DELETED_TEXT ) )
                {
                        return $last;
                } else {
-                       return $this->getSkin()->link(
+                       return Linker::linkKnown(
                                $this->title,
                                $last,
                                array(),
                                array(
                                        'diff' => $prevRev->getId(),
                                        'oldid' => $next->rev_id
-                               ),
-                               array( 'known', 'noclasses' )
+                               )
                        );
                }
        }
@@ -730,7 +728,7 @@ class HistoryPager extends ReverseChronologicalPager {
                                if ( !$rev->userCan( Revision::DELETED_TEXT ) ) {
                                        $radio['disabled'] = 'disabled';
                                        $checkmark = array(); // We will check the next possible one
-                               } else if ( !$this->oldIdChecked ) {
+                               } elseif ( !$this->oldIdChecked ) {
                                        $checkmark = array( 'checked' => 'checked' );
                                        $this->oldIdChecked = $id;
                                } else {