Add support for Number grouping(commafy) based on CLDR number grouping patterns like...
[lhc/web/wiklou.git] / includes / HistoryPage.php
index 462d6a1..935adf7 100644 (file)
@@ -19,7 +19,10 @@ class HistoryPage {
        const DIR_PREV = 0;
        const DIR_NEXT = 1;
 
-       var $article, $title, $skin;
+       /** Contains the Article object. Passed on construction. */
+       private $article;
+       /** The $article title object. Found on construction. */
+       private $title;
 
        /**
         * Construct a new HistoryPage.
@@ -27,18 +30,18 @@ class HistoryPage {
         * @param $article Article
         */
        function __construct( $article ) {
-               global $wgUser;
                $this->article = $article;
                $this->title = $article->getTitle();
-               $this->skin = $wgUser->getSkin();
                $this->preCacheMessages();
        }
 
-       function getArticle() {
+       /** Get the Article object we are working on. */
+       public function getArticle() {
                return $this->article;
        }
 
-       function getTitle() {
+       /** Get the Title object. */
+       public function getTitle() {
                return $this->title;
        }
 
@@ -46,7 +49,7 @@ class HistoryPage {
         * 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
         */
-       function preCacheMessages() {
+       private function preCacheMessages() {
                // Precache various messages
                if ( !isset( $this->message ) ) {
                        $msgs = array( 'cur', 'last', 'pipe-separator' );
@@ -63,7 +66,7 @@ class HistoryPage {
        function history() {
                global $wgOut, $wgRequest, $wgScript;
 
-               /*
+               /**
                 * Allow client caching.
                 */
                if ( $wgOut->checkLastModified( $this->article->getTouched() ) )
@@ -71,9 +74,7 @@ class HistoryPage {
 
                wfProfileIn( __METHOD__ );
 
-               /*
-                * Setup page variables.
-                */
+               // Setup page variables.
                $wgOut->setPageTitle( wfMsg( 'history-title', $this->title->getPrefixedText() ) );
                $wgOut->setPageTitleActionText( wfMsg( 'history_short' ) );
                $wgOut->setArticleFlag( false );
@@ -81,27 +82,26 @@ class HistoryPage {
                $wgOut->setRobotPolicy( 'noindex,nofollow' );
                $wgOut->setSyndicated( true );
                $wgOut->setFeedAppendQuery( 'action=history' );
-               $wgOut->addModules( array( 'mediawiki.legacy.history', 'mediawiki.views.history' ) );
+               $wgOut->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->title->getPrefixedText() )
                );
                $wgOut->setSubtitle( $logLink );
 
+               // Handle atom/RSS feeds.
                $feedType = $wgRequest->getVal( 'feed' );
                if ( $feedType ) {
                        wfProfileOut( __METHOD__ );
                        return $this->feed( $feedType );
                }
 
-               /*
-                * Fail if article doesn't exist.
-                */
+               // Fail nicely if article doesn't exist.
                if ( !$this->title->exists() ) {
                        $wgOut->addWikiMsg( 'nohistory' );
                        # show deletion/move log if there is an entry
@@ -123,10 +123,11 @@ 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        = $wgRequest->getInt( 'year' );
+               $month       = $wgRequest->getInt( 'month' );
+               $tagFilter   = $wgRequest->getVal( 'tagfilter' );
                $tagSelector = ChangeTags::buildTagFilterSelector( $tagFilter );
+
                /**
                 * Option to show only revisions that have been (partially) hidden via RevisionDelete
                 */
@@ -138,6 +139,7 @@ class HistoryPage {
                $checkDeleted = Xml::checkLabel( wfMsg( 'history-show-deleted' ),
                        'deleted', 'mw-show-deleted-only', $wgRequest->getBool( 'deleted' ) ) . "\n";
 
+               // Add the general form
                $action = htmlspecialchars( $wgScript );
                $wgOut->addHTML(
                        "<form action=\"$action\" method=\"get\" id=\"mw-history-searchform\">" .
@@ -157,15 +159,14 @@ class HistoryPage {
 
                wfRunHooks( 'PageHistoryBeforeList', array( &$this->article ) );
 
-               /**
-                * Do the list
-                */
+               // Create and output the list.
                $pager = new HistoryPager( $this, $year, $month, $tagFilter, $conds );
                $wgOut->addHTML(
                        $pager->getNavigationBar() .
                        $pager->getBody() .
                        $pager->getNavigationBar()
                );
+               $wgOut->preventClickjacking( $pager->getPreventClickjacking() );
 
                wfProfileOut( __METHOD__ );
        }
@@ -232,6 +233,7 @@ class HistoryPage {
                }
                $items = $this->fetchRevisions( $limit, 0, HistoryPage::DIR_NEXT );
 
+               // Generate feed elements enclosed between header and footer.
                $feed->outHeader();
                if ( $items ) {
                        foreach ( $items as $row ) {
@@ -303,11 +305,12 @@ class HistoryPage {
 class HistoryPager extends ReverseChronologicalPager {
        public $lastRow = false, $counter, $historyPage, $title, $buttons, $conds;
        protected $oldIdChecked;
+       protected $preventClickjacking = false;
 
        function __construct( $historyPage, $year = '', $month = '', $tagFilter = '', $conds = array() ) {
                parent::__construct();
                $this->historyPage = $historyPage;
-               $this->title = $this->historyPage->title;
+               $this->title = $this->historyPage->getTitle();
                $this->tagFilter = $tagFilter;
                $this->getDateCond( $year, $month );
                $this->conds = $conds;
@@ -318,6 +321,10 @@ 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
@@ -331,7 +338,7 @@ class HistoryPager extends ReverseChronologicalPager {
                        'tables'  => array( 'revision' ),
                        'fields'  => Revision::selectFields(),
                        'conds'   => array_merge(
-                               array( 'rev_page' => $this->historyPage->title->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' ) ),
@@ -372,7 +379,7 @@ class HistoryPager extends ReverseChronologicalPager {
         * @return string HTML output
         */
        function getStartBody() {
-               global $wgScript, $wgUser, $wgOut, $wgContLang;
+               global $wgScript, $wgUser, $wgOut;
                $this->lastRow = false;
                $this->counter = 1;
                $this->oldIdChecked = 0;
@@ -389,46 +396,33 @@ 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' ) ) {
-                       $float = $wgContLang->alignEnd();
-                       # Note bug #20966, <button> is non-standard in IE<8
-                       $element = Html::element( 'button',
-                               array(
-                                       'type' => 'submit',
-                                       'name' => 'revisiondelete',
-                                       'value' => '1',
-                                       'style' => "float: $float;",
-                                       'class' => 'mw-history-revisiondelete-button',
-                               ),
-                               wfMsg( 'showhideselectedversions' )
-                       ) . "\n";
-                       $s .= $element;
-                       $this->buttons .= $element;
-               }
-               if ( $wgUser->isAllowed( 'revisionmove' ) ) {
-                       $float = $wgContLang->alignEnd();
-                       # Note bug #20966, <button> is non-standard in IE<8
-                       $element = Html::element( 'button',
-                               array(
-                                       'type' => 'submit',
-                                       'name' => 'revisionmove',
-                                       'value' => '1',
-                                       'style' => "float: $float;",
-                                       'class' => 'mw-history-revisionmove-button',
-                               ),
-                               wfMsg( 'revisionmoveselectedversions' )
-                       ) . "\n";
-                       $s .= $element;
-                       $this->buttons .= $element;
+                       $s .= $this->getRevisionButton( 'revisiondelete', 'showhideselectedversions' );
                }
                $this->buttons .= '</div>';
                $s .= '</div><ul id="pagehistory">' . "\n";
                return $s;
        }
 
+       private function getRevisionButton( $name, $msg ) {
+               $this->preventClickjacking();
+               # Note bug #20966, <button> is non-standard in IE<8
+               $element = Html::element( 'button',
+                       array(
+                               'type' => 'submit',
+                               'name' => $name,
+                               'value' => '1',
+                               'class' => "mw-history-$name-button",
+                       ),
+                       wfMsg( $msg )
+               ) . "\n";
+               $this->buttons .= $element;
+               return $element;
+       }
+
        function getEndBody() {
                if ( $this->lastRow ) {
                        $latest = $this->counter == 1 && $this->mIsFirst;
@@ -509,10 +503,10 @@ 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 {
@@ -520,15 +514,15 @@ 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 );
                        }
                }
@@ -536,19 +530,23 @@ 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>';
@@ -559,8 +557,9 @@ class HistoryPager extends ReverseChronologicalPager {
                # Rollback and undo links
                if ( !is_null( $next ) && is_object( $next ) ) {
                        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' )
@@ -571,7 +570,7 @@ class HistoryPager extends ReverseChronologicalPager {
                                $undoTooltip = $latest
                                        ? array( 'title' => wfMsg( 'tooltip-undo' ) )
                                        : array();
-                               $undolink = $this->getSkin()->link(
+                               $undolink = Linker::linkKnown(
                                        $this->title,
                                        wfMsgHtml( 'editundo' ),
                                        $undoTooltip,
@@ -579,8 +578,7 @@ class HistoryPager extends ReverseChronologicalPager {
                                                'action' => 'edit',
                                                'undoafter' => $next->rev_id,
                                                'undo' => $rev->getId()
-                                       ),
-                                       array( 'known', 'noclasses' )
+                                       )
                                );
                                $tools[] = "<span class=\"mw-history-undo\">{$undolink}</span>";
                        }
@@ -616,12 +614,11 @@ 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;
@@ -644,15 +641,14 @@ 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' )
+                               )
                        );
                }
        }
@@ -673,30 +669,28 @@ 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' => $next->rev_id
-                               ),
-                               array( 'known', 'noclasses' )
+                               )
                        );
                }
        }
@@ -727,7 +721,7 @@ class HistoryPager extends ReverseChronologicalPager {
                                if ( !$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 {
@@ -748,6 +742,20 @@ class HistoryPager extends ReverseChronologicalPager {
                        return '';
                }
        }
+
+       /**
+        * This is called if a write operation is possible from the generated HTML
+        */
+       function preventClickjacking( $enable = true ) {
+               $this->preventClickjacking = $enable;
+       }
+
+       /**
+        * Get the "prevent clickjacking" flag
+        */
+       function getPreventClickjacking() {
+               return $this->preventClickjacking;
+       }
 }
 
 /**